Water-cooling structure of rotary valve, water-cooling system, rotary valve and water cooling control method

Abstract

The present invention belongs to the technical field of material conveying, and particularly relates to a water-cooling structure of a rotary valve, a water-cooling system, a rotary valve, and a water cooling control method. The water-cooling structure of a rotary valve comprises 13 cooling water passages, wherein one transmission shaft cooling water passage is provided inside a transmission shaft; one working-side flange cooling water passage and one transmission-side flange cooling water passage are respectively provided in a working-side flange and a transmission-side flange; one working-side stuffing box cooling water passage and one transmission-side stuffing box cooling water passage are respectively provided in a working-side stuffing box and a transmission-side stuffing box; and eight housing cooling water passages are distributed inside a rotary valve housing in a zonal manner. By configuring the rotary valve with a rational water-cooling structure having zonally arranged multiple cooling water passages, the present invention optimizes the zonal layout of the water-cooling structure, avoids the problems of cooling dead zones and large flow resistance losses of the cooling water passages caused by irrational zoning of the water passages, and improves the cooling efficiency and high temperature resistance, thereby improving the reliability of the rotary valve.

Description

Water cooling structure, water cooling system, rotary valve and water cooling control method of rotary valve TECHNICAL FIELD

[0001] The present application belongs to the technical field of material conveying, and particularly relates to a water cooling structure, a water cooling system, a rotary valve and a water cooling control method of a rotary valve. BACKGROUND

[0002] In the material conveying link of many industries such as metallurgy, cement and mining, a valve is often used to quantitatively convey materials to meet the production process requirements. The rotary valve is one of the quantitative conveying valves that are more commonly used in the market. The rotary valve is also called a rotary feeder, and is applied to a conveying system of solid materials (such as powder, granular material and powder-granular mixture).

[0003] With the updating of production processes, some production lines require production under high-temperature and high-pressure and flammable gas conditions. The product materials are not only high in temperature (more than 600 DEG C, and less than 1000 DEG C in some production lines), but also cannot directly contact with air and other gas environments with oxidizing effect. This requires that the rotary valve on the production line not only can resist high temperature and high pressure, but also must be safe and reliable in performance, and must quickly respond and handle abnormal conditions.

[0004] The existing rotary valves for high-temperature conditions are mainly divided into two types: one is made of a material with good heat resistance to achieve high-temperature resistance. In the case of requiring high-temperature resistance and no pressure, the temperature resistance can exceed 600 DEG C, but if high-temperature resistance and high-pressure resistance are required, the temperature resistance generally cannot exceed 600 DEG C. The other is a water cooling scheme, but the water cooling mostly adopts a rough cooling method, such as cooling through a single water path of the entire valve body. On the one hand, this often leads to dead zones in the cooling passage, large resistance loss in the cooling passage, and poor effect when the temperature exceeds 600 DEG C. On the other hand, it cannot finely cool according to the characteristics of the material passing through the valve body, and the high-temperature resistance is poor, and the reliability is greatly reduced when used in high-temperature and high-pressure conditions. SUMMARY

[0005] In view of the above-mentioned deficiencies of the prior art, the purpose of the present application is to provide a water cooling structure, a water cooling system, a rotary valve and a water cooling control method of a rotary valve, which are used to solve the technical problem of poor high-temperature resistance of the water cooling system of the rotary valve due to poor cooling efficiency.

[0006] To achieve the above-mentioned purposes and other related purposes, the technical solutions of the present application are as follows:

[0007] The application discloses a water cooling structure of a rotary valve, and belongs to the technical field of rotary valves.

[0008] The transmission shaft is internally provided with a transmission shaft cooling water channel;

[0009] The working flange and the transmission flange are respectively provided with a working flange cooling water channel and a transmission flange cooling water channel;

[0010] The working flange and the transmission flange are respectively provided with a working flange cooling water channel and a transmission flange cooling water channel;

[0011] The working flange and the transmission flange are respectively provided with a working flange cooling water channel and a transmission flange cooling water channel;

[0012] Optionally, the transmission shaft is internally provided with a transmission shaft inner hole arranged in the axial direction, a sleeve is arranged in the transmission shaft inner hole, a rotary joint is connected to the front end of the sleeve, a gap is formed between the sleeve and the transmission shaft inner hole, a transmission shaft water channel inlet and a transmission shaft water channel outlet are arranged on the rotary joint and are in communication with the transmission shaft cooling water channel, and the transmission shaft cooling water channel is formed by the transmission shaft inner hole, the sleeve and the rotary joint.

[0013] Optionally, the working flange cooling water channel is arranged in the working flange, a first flange water channel inlet and a first flange water channel outlet are arranged on the working flange and are in communication with the working flange cooling water channel, the first flange water channel inlet is arranged at the lower central part of the working flange cooling water channel, and the first flange water channel outlet is arranged at the upper central part of the working flange cooling water channel.

[0014] Optionally, the transmission flange cooling water channel is arranged in the transmission flange, a second flange water channel inlet and a second flange water channel outlet are arranged on the transmission flange and are in communication with the transmission flange cooling water channel, the second flange water channel inlet is arranged at the lower central part of the transmission flange cooling water channel, and the second flange water channel outlet is arranged at the upper central part of the transmission flange cooling water channel.

[0015] Optionally, the working flange cooling water channel is arranged in the working flange, a first flange water channel inlet and a first flange water channel outlet are arranged on the working flange and are in communication with the working flange cooling water channel, the first flange water channel inlet is arranged at the lower central part of the working flange cooling water channel, and the first flange water channel outlet is arranged at the upper central part of the working flange cooling water channel.

[0016] Optionally, the transmission-side packing box cooling water path is located inside the transmission-side packing box, a second packing box water path inlet and a second packing box water path outlet are formed on the transmission-side packing box and communicate with the transmission-side packing box cooling water path, the second packing box water path inlet is located at the lower central part of the transmission-side packing box cooling water path, and the second packing box water path outlet is located at the upper central part of the transmission-side packing box cooling water path.

[0017] Optionally, each of the shell cooling water paths has a shell water path inlet and a shell water path outlet, the shell water path inlet is located at the lower central part of the shell cooling water path, and the shell water path outlet is located at the upper central part of the shell cooling water path.

[0018] Optionally, the eight shell cooling water paths are a first shell cooling water path, a second shell cooling water path, a third shell cooling water path, a fourth shell cooling water path, a fifth shell cooling water path, a sixth shell cooling water path, a seventh shell cooling water path, and an eighth shell cooling water path, the first shell cooling water path, the second shell cooling water path, the third shell cooling water path, and the fourth shell cooling water path are located on the same side of the maintenance hole of the rotary valve, the fifth shell cooling water path, the sixth shell cooling water path, the seventh shell cooling water path, and the eighth shell cooling water path are located on the same side of the cooling gas inlet of the rotary valve, and the maintenance hole and the cooling gas inlet are located on different sides.

[0019] Optionally, the first shell cooling water path is located on the upper part of the working side of the rotary valve and on the same side of the maintenance hole, and is formed by the rotary valve shell, the water path outer shell plate, the first bent partition plate, the first vertical partition plate, the second vertical partition plate, and the first horizontal partition plate; the water path outer shell plate is partially wrapped on the rotary valve shell, the first bent partition plate is located between the water path outer shell plate and the rotary valve shell on the upper part of the working side, the first vertical partition plate is located between the maintenance hole and the middle part of the material inlet of the rotary valve, the second vertical partition plate is located between the maintenance hole and the material outlet of the rotary valve, the second vertical partition plate and the first vertical partition plate are located on the same plane, and the first horizontal partition plate is located between the second vertical partition plate and the middle part of the flange on the working side.

[0020] Optionally, the second casing cooling water channel is located on the upper part of the drive side of the rotary valve and is on the same side as the access hole, and is formed by the rotary valve casing, the water channel shell plate, the second bent partition plate, the first vertical partition plate, the second vertical partition plate and the second horizontal partition plate; the second bent partition plate is located between the water channel shell plate and the rotary valve casing on the upper part of the drive side, and the second bent partition plate is symmetrically arranged on both sides of the first vertical partition plate with the first bent partition plate; the second horizontal partition plate is located between the second vertical partition plate and the middle part of the drive side flange, and the second horizontal partition plate is symmetrically arranged on both sides of the second vertical partition plate with the first horizontal partition plate.

[0021] Optionally, the third casing cooling water channel is located on the lower part of the working side of the rotary valve and is on the same side as the access hole, and is formed by the rotary valve casing, the water channel shell plate, the third bent partition plate, the second vertical partition plate and the first horizontal partition plate; the third bent partition plate is located between the water channel shell plate and the rotary valve casing on the lower part of the working side.

[0022] Optionally, the fourth casing cooling water channel is located on the lower part of the drive side of the rotary valve and is on the same side as the access hole, and is formed by the rotary valve casing, the water channel shell plate, the fourth bent partition plate, the second vertical partition plate and the second horizontal partition plate; the fourth bent partition plate is located between the water channel shell plate and the rotary valve casing on the lower part of the drive side, and the fourth bent partition plate is symmetrically arranged on both sides of the second vertical partition plate with the third bent partition plate.

[0023] Optionally, the fifth casing cooling water channel is located on the upper part of the drive side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water channel shell plate, the second bent partition plate, the third vertical partition plate, the fourth vertical partition plate and the third horizontal partition plate; the third vertical partition plate is located between the material inlet of the rotary valve and the cooling gas inlet, the fourth vertical partition plate is located between the cooling gas inlet and the material outlet of the rotary valve, and the fourth vertical partition plate is located in the same plane as the third vertical partition plate, and the third horizontal partition plate is located between the third vertical partition plate and the middle part of the drive side flange.

[0024] Optionally, the sixth casing cooling water channel is located on the upper part of the working side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water channel shell plate, the first bent partition plate, the third vertical partition plate, the fourth vertical partition plate and the fourth horizontal partition plate; the fourth horizontal partition plate is located between the fourth vertical partition plate and the middle part of the working side flange, and the fourth horizontal partition plate is symmetrically arranged on both sides of the fourth vertical partition plate with the third horizontal partition plate.

[0025] Optionally, the seventh casing cooling water path is located at the lower part of the drive side of the rotary valve and is on the same side as the cooling air inlet, and is formed by the rotary valve casing, the water path shell plate, the fourth bent partition plate, the fourth vertical partition plate and the third horizontal partition plate.

[0026] Optionally, the eighth casing cooling water path is located at the lower part of the working side of the rotary valve and is on the same side as the cooling air inlet, and is formed by the rotary valve casing, the water path shell plate, the third bent partition plate, the fourth vertical partition plate and the fourth horizontal partition plate.

[0027] Based on the same concept, the application also provides a water cooling system, comprising a cooling water circulating unit, a water inlet main pipe, a water inlet tank, a cooling branch pipe, a water outlet tank and a water outlet main pipe connected in sequence to form a closed loop water path, and a water cooling structure of a rotary valve as described above, wherein,

[0028] The water inlet of the water inlet main pipe is connected with the water outlet of the cooling water circulating unit, and the water outlet of the water inlet main pipe is connected with the water inlet tank;

[0029] The water inlet tank is connected in parallel downstream with a plurality of cooling branch pipes, each of which comprises a water inlet branch pipe and a water outlet branch pipe, each of the water inlet branch pipes is connected with the water inlet of each cooling water path of the rotary valve, and each of the water outlet branch pipes is connected with the water outlet of each cooling water path of the rotary valve;

[0030] The water outlet branch pipes of the plurality of cooling branch pipes are connected downstream with the water outlet tank, the water outlet tank is connected downstream with the water outlet main pipe, and the water outlet of the water outlet main pipe is connected with the water inlet of the cooling water circulating unit;

[0031] A plurality of detection elements are arranged on the closed loop water path.

[0032] Optionally, a first pressure gauge and a first temperature gauge are arranged on the water inlet main pipe, and the first pressure gauge and the first temperature gauge are each provided upstream and downstream with a first control valve;

[0033] A first flow gauge is arranged on the water inlet branch pipe of each cooling branch pipe, each first flow gauge is provided upstream with a second control valve and downstream with a first control valve;

[0034] A second temperature gauge and a second flow gauge are arranged on the water outlet branch pipe of each cooling branch pipe, and the second temperature gauge and the second flow gauge are each provided upstream and downstream with a first control valve;

[0035] A second pressure gauge is arranged on the water outlet main pipe, and the second pressure gauge is provided downstream with a first control valve.

[0036] Optionally, the first control valve is a manual ball valve, and the second control valve is a pneumatic ball valve.

[0037] Optionally, the cooling branch pipes are provided with 13 pipes, and are connected with 13 cooling water paths of the rotary valve one by one, and each cooling branch pipe can control the cooling water amount independently.

[0038] Based on the same concept, the application also provides a rotary valve comprising the water cooling structure of the rotary valve as described above.

[0039] Based on the same concept, the application also provides a water cooling control method applied to the water cooling system as described above, and the control method comprises:

[0040] The corresponding parameter values are monitored in real time by the detection element of the water cooling system, and the set value and the real-time monitoring value are compared and judged, and the corresponding control instruction is executed; wherein,

[0041] When the temperature difference measured value of the outlet and the inlet of the cooling branch pipe exceeds the temperature difference preset range value, the water amount of the corresponding cooling branch pipe is adjusted to make the cooling of the corresponding cooling part normal, and otherwise, no operation is performed.

[0042] When the flow difference measured value of the outlet and the inlet of the cooling branch pipe exceeds the flow difference preset range value, the water leakage of the corresponding cooling branch pipe is checked to make the cooling of the corresponding cooling part normal, and otherwise, no operation is performed.

[0043] When the temperature difference measured value of the outlet and the inlet of the multiple cooling branch pipes exceeds the temperature difference preset range value, or the flow difference measured value of the outlet and the inlet of the multiple cooling branch pipes exceeds the flow difference preset range value, the emergency cooling gas is started to cool.

[0044] As described above, the application has the following beneficial effects:

[0045] Through the reasonable water cooling structure of the multiple cooling water paths of the rotary valve, the partition arrangement of the water cooling structure is optimized, the problem of the unreasonable water path partition causing the cooling dead zone and the large resistance loss of the cooling water path is avoided, the cooling efficiency and the high temperature resistance are improved, and the reliability of the rotary valve is improved.

[0046] By providing the water cooling system, on the one hand, the cooling water amount can be adjusted according to the actual temperature difference of each part of the rotary valve, so that the cooling effect of each component is uniform, which is beneficial to the overall service life and energy saving and environmental protection; in addition, through the water cooling control method, the water cooling system can be controlled according to the real-time monitoring values of the temperature, pressure and flow of each cooling water path, and timely closed-loop control is realized to ensure that the water cooling system works normally, or in the extreme case, the production line can also run reliably. BRIEF DESCRIPTION OF DRAWINGS

[0047] Fig. 1 is a structure front view of the water cooling structure of the rotary valve of the embodiment of the application;

[0048] Fig. 2 is a left view of the water cooling structure of the rotary valve according to the embodiment of the present application;

[0049] Fig. 3 is an A-A sectional view of the water cooling structure of the rotary valve according to the embodiment of the present application;

[0050] Fig. 4 is a B-B sectional view of the water cooling structure of the rotary valve according to the embodiment of the present application;

[0051] Fig. 5 is a K view of the water cooling structure of the rotary valve according to the embodiment of the present application;

[0052] Fig. 6 is a schematic diagram of the water cooling system according to the embodiment of the present application;

[0053] Fig. 7 is a schematic diagram of the water cooling system according to the embodiment of the present application;

[0054] Fig. 8 is a control logic diagram of the water cooling system according to the embodiment of the present application.

[0055] BRIEF DESCRIPTION OF THE DRAWINGS 100-rotary valve; 10-rotary valve housing; 11-inlet; 12-outlet; 13-cooling gas inlet; 14-access hole; 15-water passage shell plate; 171-first bent partition plate; 172-second bent partition plate; 173-third bent partition plate; 174-fourth bent partition plate; 181-first vertical partition plate; 182-second vertical partition plate; 183-third vertical partition plate; 184-fourth vertical partition plate; 191-first horizontal partition plate; 192-second horizontal partition plate; 193-third horizontal partition plate; 194-fourth horizontal partition plate; 20-driving shaft; 21-driving shaft inner hole; 22-sleeve; 23-rotary joint; 30-driving side flange; 40-driving side packing box; 50-working side flange; 60-working side packing box; 70-driving assembly; 71-driving motor; 72-coupling; 80-rotor; 201-driving shaft cooling water passage; 201a-driving shaft water passage inlet; 201b-driving shaft water passage outlet; 202-working side flange cooling water passage; 202a-first flange water passage inlet; 202b-first flange water passage outlet; 203-working side packing box cooling water passage; 203a-first packing box water passage inlet; 203b-first packing box water passage outlet; 204-driving side flange cooling water passage; 204a-second flange water passage inlet; 204b-second flange water passage outlet; 205-driving side packing box cooling water passage; 205a-second packing box water passage inlet; 205b-second packing box water passage outlet; 206-first housing cooling water passage; 206a-first housing water passage inlet; 206b-first housing water passage outlet; 207-second housing cooling water passage; 207a-second housing water passage inlet; 207b-second housing water passage outlet; 208-third housing cooling water passage; 208a-third housing water passage inlet; 208b-third housing water passage outlet; 209-fourth housing cooling water passage; 209a-fourth housing water passage inlet; 209b-fourth housing water passage outlet; 210-fifth housing cooling water passage; 210a-fifth housing water passage inlet; 210b-fifth housing water passage outlet; 211-sixth housing cooling water passage; 211a-sixth housing water passage inlet; 211b-sixth housing water passage outlet; 212-seventh housing cooling water passage; 212a-seventh housing water passage inlet; 212b-seventh housing water passage outlet; 213-eighth housing cooling water passage; 213a-seventh housing water passage inlet; 213b-seventh housing water passage outlet; 300-water cooling system; 301-cooling water circulation unit; 302-water inlet main pipe; 303-water inlet tank; 304-cooling branch pipe; 304a-water inlet branch pipe; 304b-water outlet branch pipe; 305-water outlet tank; 306-water outlet main pipe; 307-first control valve; 308-first pressure gauge; 309-first temperature gauge; 310-second control valve; 311-first flowmeter; 312-second temperature gauge;313 - second flow meter; 314 - second pressure meter. DETAILED DESCRIPTION

[0056] The present application is described in greater detail by the specific embodiments, and other advantages and effects of the present application can be easily understood by those skilled in the art from the contents disclosed in the present specification. The present application can also be implemented or applied by other different embodiments, and various modifications or changes can be made to the details in the present specification based on different views and applications without departing from the spirit of the present application.

[0057] It should be understood that the structures, proportions, sizes, etc. shown in the drawings attached to the present specification are only used to understand and read the contents disclosed in the present specification by those skilled in the art, and are not used to limit the defined conditions under which the present application can be implemented, and therefore do not have technical significance. Any modification of the structure, change of the proportional relationship, or adjustment of the size, without affecting the effects that can be produced by the present application and the purposes that can be achieved, should still fall within the scope of the technical content disclosed by the present application. At the same time, the terms such as "upper", "lower", "left", "right", "middle", and "one" used in the present specification are only for the purpose of clear understanding and description, and are not used to limit the scope of the present application that can be implemented, and the change or adjustment of the relative relationship, without substantially changing the technical content, is also considered as the scope of the present application that can be implemented.

[0058] In order to be able to describe the present application in detail, the water cooling structure of the rotary valve, the water cooling system, the rotary valve, and the water cooling control method of the present application are described in detail as follows:

[0059] Please refer to FIGS. 1 to 5, the present application provides a water cooling structure of a rotary valve, the rotary valve 100 includes a rotary valve housing 10, a transmission shaft 20 rotatably arranged in the rotary valve housing 10, a transmission side flange 30 and a transmission side stuffing box 40 arranged on the transmission side of the rotary valve housing 10, and a working side flange 50 and a working side stuffing box 60 arranged on the working side of the rotary valve housing 10, the water cooling structure includes 13 cooling water paths, wherein the transmission shaft 20 is internally provided with a transmission shaft cooling water path 201; the working side flange 50 and the transmission side flange 30 are respectively provided with a working side flange cooling water path 202 and a transmission side flange cooling water path 204; the working side stuffing box 60 and the transmission side stuffing box 40 are respectively provided with a working side stuffing box cooling water path 203 and a transmission side stuffing box cooling water path 205; and a part of the inner portion of the rotary valve housing 10 is distributed with 8 housing cooling water paths.

[0060] Specifically, the rotary valve 100 comprises a rotary valve shell 10, a transmission shaft 20 arranged in rotation in the rotary valve shell 10, a rotor 80 fixedly sleeved on the transmission shaft 20, the transmission shaft 20 supported on support plates connected with respective flanges through transmission side and working side bearings and bearing seats, and driven to rotate by a driving assembly 70 comprising a driving motor 71 and a shaft coupling 72, the end of the transmission shaft 20 connected with the driving assembly 70, the side of the rotary valve shell 10 close to the end of the transmission shaft 20 being the transmission side and the side close to the front end of the transmission shaft 20 being the working side. The upper part of the rotary valve shell 10 is provided with an inlet 11, the inlet 11 arranged eccentrically relative to the center of the rotary valve 100, which is beneficial to the conveying of solid particle materials, the lower part of the rotary valve shell 10 is provided with an outlet 12 for discharging materials, the upper part of the non-eccentric side of the rotary valve shell 10 is provided with a cooling gas inlet 13, the cooling gas inlet 13 arranged on the side opposite to the inlet 11, and the inlet 11 of the rotary valve 100 is further provided with an inspection hole 14. The transmission side of the rotary valve shell 10 is provided with a transmission side flange 30 and a transmission side packing box 40, the working side of the rotary valve shell 10 is provided with a working side flange 50 and a working side packing box 60, and the transmission side flange 30 and the working side flange 50 are symmetrically arranged, and the transmission side packing box 40 and the working side packing box 60 are symmetrically arranged.

[0061] The water cooling structure of the rotary valve comprises 13 cooling water paths arranged in zones on the rotary valve 100, wherein 8 shell cooling water paths are distributed in zones in the rotary valve shell 10, which collectively cool and protect the rotary valve shell 10; 1 transmission shaft cooling water path 201 is arranged in the transmission shaft 20, which cools and protects the transmission shaft 20; 1 working side flange cooling water path 202 is arranged on the working side flange 50, which cools and protects the working side flange 50; 1 transmission side cooling water path is arranged on the transmission side flange 30, which cools and protects the transmission side flange 30; 1 working side packing box cooling water path 203 is arranged on the working side packing box 60, which cools and protects the packing sealing area; and 1 transmission side packing box cooling water path 205 is arranged on the transmission side packing box 40, which cools and protects the packing sealing area.

[0062] Referring to FIG. 3, in some embodiments, the transmission shaft 20 has an axially arranged transmission shaft inner hole 21 inside, a sleeve 22 is arranged in the transmission shaft inner hole 21, a rotary joint 23 is connected to the front end of the sleeve 22, and the sleeve 22 has a gap with the transmission shaft inner hole 21. The rotary joint 23 is provided with a transmission shaft waterway inlet 201a and a transmission shaft waterway outlet 201b which are in communication with the transmission shaft cooling waterway 201 formed by the transmission shaft inner hole 21, the sleeve 22 and the rotary joint 23. Specifically, the cooling water enters the inside of the sleeve 22 from the transmission shaft waterway inlet 201a, then flows into the transmission shaft inner hole 21, flows in the gap between the sleeve 22 and the transmission shaft inner hole 21, and finally flows out from the transmission shaft waterway outlet 201b. This design ensures that the cooling water can directly and uniformly contact the inner wall of the transmission shaft 20, thereby achieving efficient heat conduction. The contact area between the cooling water and the material of the transmission shaft 20 is effectively increased, further improving the heat dissipation efficiency; wherein the transmission shaft waterway inlet 201a is arranged at the front end of the rotary joint 23, and the transmission shaft waterway outlet 201b is arranged at the side of the rotary joint 23. The sleeve 22 and the rotary joint 23 are ingeniously built inside the transmission shaft 20, without occupying additional space, making the structure more compact, and being conducive to realizing complex transmission and cooling functions in limited space. In this way, through the transmission shaft cooling waterway 201, the thermal stress generated by the transmission shaft 20 during operation can be significantly reduced, thereby prolonging the service life of the transmission shaft 20 and its related components.

[0063] Continuing to refer to FIGS. 2 and 3, in the above-mentioned embodiments, the working side flange cooling waterway 202 is located inside the working side flange 50, the working side flange 50 is provided with a first flange waterway inlet 202a and a first flange waterway outlet 202b which are in communication with the working side flange cooling waterway 202, and the first flange waterway inlet 202a is located at the lower central part of the working side flange cooling waterway 202, and the first flange waterway outlet 202b is located at the upper central part of the working side flange cooling waterway 202. Specifically, the working side flange cooling waterway 202 is in the shape of a ring, the cooling water enters from the lower first flange waterway inlet 202a and can uniformly flow through the working side flange cooling waterway 202 from bottom to top, and then flows out from the upper first flange waterway outlet 202b, effectively avoiding the phenomenon of local overheating or uneven cooling, thereby improving the cooling efficiency; through sufficient heat exchange between the cooling water and the working side flange 50, it is beneficial to reduce the risk of deformation or cracking of the working side flange 50 due to thermal stress, making the working side flange 50 more stable and reliable when bearing working pressure and temperature changes.

[0064] Referring to FIG. 3, in the above embodiment, the transmission-side flange cooling water path 204 is located inside the transmission-side flange 30, the transmission-side flange 30 is provided with a second flange water path inlet 204a and a second flange water path outlet 204b which are in communication with the transmission-side flange cooling water path 204, the second flange water path inlet 204a is located at the lower central part of the transmission-side flange cooling water path 204, and the second flange water path outlet 204b is located at the upper central part of the transmission-side flange cooling water path 204. Specifically, the transmission-side flange cooling water path 204 is in the shape of a ring, cooling water enters from the second flange water path inlet 204a at the lower part, and can flow uniformly from the lower part to the upper part of the transmission-side flange cooling water path 204, and then flows out from the second flange water path outlet 204b at the upper part, which effectively avoids the phenomenon of local overheating or uneven cooling, thereby improving the cooling efficiency; through sufficient heat exchange between the cooling water and the transmission-side flange 30, it is beneficial to reduce the risk of deformation or cracking of the transmission-side flange 30 due to thermal stress, so that the transmission-side flange 30 is more stable and reliable when bearing working pressure and temperature changes.

[0065] Referring to FIGS. 2 and 3, in some embodiments, the working-side packing box cooling water path 203 is located inside the working-side packing box 60, the working-side packing box 60 is provided with a first packing box water path inlet 203a and a first packing box water path outlet 203b which are in communication with the working-side packing box cooling water path 203, the first packing box water path inlet 203a is located at the lower central part of the working-side packing box cooling water path 203, and the first packing box water path outlet 203b is located at the upper central part of the working-side packing box cooling water path. Specifically, the working-side packing box cooling water path 203 is in the shape of a ring, cooling water enters from the first packing box water path inlet 203a at the bottom, and can flow uniformly from the lower part to the upper part of the working-side packing box cooling water path 203, and then flows out from the first packing box water path outlet 203b at the upper part, which ensures that the cooling water can fully contact and carry away the heat generated in the working-side packing box 60, thereby effectively reducing the working temperature of the working-side packing box 60 and its internal components, avoiding the phenomenon of local overheating, and ensuring the stable operation of each part of the equipment. The uniformly distributed working-side packing box cooling water path 203 can significantly reduce the thermal stress caused by temperature changes, which helps to prolong the service life of the working-side packing box 60.

[0066] With reference to FIG. 3, in the above embodiment, the transmission-side packing case cooling water path 205 is located inside the transmission-side packing case 40, the transmission-side packing case 40 is provided with a second packing case water path inlet 205a and a second packing case water path outlet 205b which are in communication with the transmission-side packing case cooling water path 205, the second packing case water path inlet 205a is located at the lower central part of the transmission-side packing case cooling water path 205, and the second packing case water path outlet 205b is located at the upper central part of the transmission-side packing case cooling water path 205. Specifically, the transmission-side packing case cooling water path 205 is in the shape of a ring, cooling water enters from the second packing case water path inlet 205a at the bottom, and flows evenly from bottom to top through the transmission-side packing case cooling water path 205, and flows out from the second packing case water path outlet 205b at the top. This design ensures that the cooling water can fully contact and carry away the heat generated in the transmission-side packing case 40, thereby effectively reducing the working temperature of the transmission-side packing case 40 and its internal components, avoiding the phenomenon of local overheating, and ensuring the stable operation of each part of the equipment. The evenly distributed transmission-side packing case cooling water path 205 can significantly reduce the thermal stress caused by temperature changes, which helps to prolong the service life of the transmission-side packing case 40.

[0067] With reference to FIGS. 1 and 5, in some embodiments, each of the housing cooling water paths has a housing water path inlet and a housing water path outlet, the housing water path inlet is located at the lower central part of the housing cooling water path, and the housing water path outlet is located at the upper central part of the housing cooling water path. In this way, the housing water path inlet is located below the housing water path outlet, cooling water enters from the housing water path inlet and flows out from the housing water path outlet, thereby cooling the corresponding parts of the rotary valve housing 10. Since the cooling water flows from the lower part of the housing cooling water path and gradually spreads to the upper part, this layout ensures that each part of the rotary valve housing 10 can be cooled relatively evenly. During the process of cooling water flowing from bottom to top, the temperature gradually rises, and finally the cooling water is discharged from the housing water path outlet. This design allows the cooling water to fully absorb heat during the flow process, thereby improving the water cooling efficiency. The position design of the housing water path inlet and the housing water path outlet facilitates daily maintenance and repair.

[0068] Referring to FIG. 1 and FIG. 5, in the above embodiment, the eight shell cooling water paths are respectively first shell cooling water path 206, second shell cooling water path 207, third shell cooling water path 208, fourth shell cooling water path 209, fifth shell cooling water path 210, sixth shell cooling water path 211, seventh shell cooling water path 212, and eighth shell cooling water path 213. The first shell cooling water path 206, second shell cooling water path 207, third shell cooling water path 208, and fourth shell cooling water path 209 are on the same side of the access hole 14 of the rotary valve 100, and the fifth shell cooling water path 210, sixth shell cooling water path 211, seventh shell cooling water path 212, and eighth shell cooling water path 213 are on the same side of the cooling gas inlet 13 of the rotary valve 100. The access hole 14 and the cooling gas inlet 13 are arranged on different sides. Specifically, by arranging eight independent shell cooling water paths in different zones, independent cooling control of each zone can be facilitated. This zoning design can flexibly adjust the cooling flow and temperature of each shell cooling water path according to the heat generation of different zones, achieving more precise cooling effect. Through zoning cooling, the heat distribution in the rotary valve shell 10 can be more effectively managed, avoiding local overheating or insufficient cooling, thereby improving the overall heat exchange efficiency. Each shell cooling water path cools a part of the shell, ensuring the uniformity of the cooling effect, which helps to reduce thermal stress caused by temperature gradient and protects the structural safety of the rotary valve shell 10. The arrangement of multiple shell cooling water paths increases the redundancy, and each shell cooling water path can be regarded as an independent module, facilitating individual maintenance and repair work. Even if a shell cooling water path fails, other cooling water paths can still work, ensuring that the rotary valve shell 10 can still work normally for a period of time. At this time, the faulty water path can be quickly repaired online without causing the rotary valve to shut down immediately due to water path failure, causing losses to the entire production line.

[0069] Referring to FIG. 1 and FIG. 3, in the above embodiment, the first casing cooling water channel 206 is located on the upper part of the working side of the rotary valve 100 and on the same side as the manhole 14, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the first bent partition plate 171, the first vertical partition plate 181, the second vertical partition plate 182, and the first horizontal partition plate 191. The water channel outer shell plate 15 is partially wrapped on the rotary valve casing 10, the first bent partition plate 171 is located between the water channel outer shell plate 15 and the rotary valve casing 10 on the upper part of the working side, the first vertical partition plate 181 is located between the middle of the material inlet 11 of the rotary valve 100 and the manhole 14, the second vertical partition plate 182 is located between the manhole 14 and the material outlet 12 of the rotary valve 100, and the second vertical partition plate 182 is located on the same plane as the first vertical partition plate 181, and the first horizontal partition plate 191 is located between the middle of the flange 50 on the working side and the second vertical partition plate 182. Specifically, the first casing cooling water channel 206 has a first casing water channel inlet 206a and a first casing water channel outlet 206b, the first casing water channel inlet 206a is close to the first horizontal partition plate 191, and the first casing water channel outlet 206b is close to the material inlet 11 of the rotary valve 100. Cooling water enters from the lower first casing water channel inlet 206a, flows through the first casing cooling water channel 206, and flows out from the upper first casing water channel outlet 206b. Through the first casing cooling water channel 206, the flow path of the cooling water is optimized, so that the cooling water can fully contact the hot surface of the rotary valve casing 10. The first casing cooling water channel 206 can ensure that the temperature distribution of the upper part of the working side of the rotary valve 100 (on the same side as the manhole 14) is more uniform, avoids the occurrence of local overheating, and protects the structure and performance of the rotary valve 100.

[0070] Referring to FIG. 1, FIG. 3 and FIG. 4, in the above-mentioned embodiment, the second casing cooling water channel 207 is located on the upper part of the drive side of the rotary valve 100 and on the same side of the manhole 14, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the second bent partition plate 172, the first vertical partition plate 181, the second vertical partition plate 182 and the second horizontal partition plate 192; the second bent partition plate 172 is located between the water channel outer shell plate 15 and the rotary valve casing 10 on the upper part of the drive side, and the second bent partition plate 172 is symmetrically arranged on both sides of the first vertical partition plate 181 with the first bent partition plate 171; the second horizontal partition plate 192 is located between the second vertical partition plate 182 and the middle part of the drive side flange 30, and the second horizontal partition plate 192 is symmetrically arranged on both sides of the second vertical partition plate 182 with the first horizontal partition plate 191. Specifically, the second casing cooling water channel 207 has a second casing water channel inlet 207a and a second casing water channel outlet 207b; the second casing water channel inlet 207a is close to the second horizontal partition plate 192 and is symmetrically arranged with the first casing water channel inlet 206a; the second casing water channel outlet 207b is close to the material inlet 11 of the rotary valve 100 and is symmetrically arranged with the first casing water channel outlet 206b; cooling water enters from the lower second casing water channel inlet 207a, flows through the second casing cooling water channel 207 and flows out from the upper second casing water channel outlet 207b. The first casing cooling water channel 206 and the second casing cooling water channel 207 are respectively located on the working side and the upper part of the drive side of the rotary valve 100 and on the same side of the manhole 14, and this kind of double-side cooling layout can more comprehensively cover the upper heat source area of the rotary valve 100 (on the same side of the manhole 14), further improve the overall cooling efficiency and ensure the stable operation of the rotary valve 100 in a high-temperature environment. The second bent partition plate 172 is symmetrically arranged on both sides of the first vertical partition plate 181 with the first bent partition plate 171, and the second horizontal partition plate 192 is symmetrically arranged on both sides of the second vertical partition plate 182 with the first horizontal partition plate 191, and this kind of symmetric design not only beautifies the structure of the cooling water channel, but also makes the cooling effect on both sides more balanced, avoiding the problems of local overheating or insufficient cooling. The second casing cooling water channel 207 can ensure that the temperature distribution of the upper part of the drive side of the rotary valve 100 (on the same side of the manhole 14) is more uniform, avoiding the occurrence of local overheating and protecting the structure and performance of the rotary valve 100.

[0071] Referring to FIG. 1 and FIG. 3, in the above embodiment, the third casing cooling water channel 208 is located at the lower part of the working side of the rotary valve 100 and on the same side of the manhole 14, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the third bent partition plate 173, the second vertical partition plate 182 and the first horizontal partition plate 191; the third bent partition plate 173 is located between the water channel outer shell plate 15 and the rotary valve casing 10 at the lower part of the working side. Specifically, the third casing cooling water channel 208 has a third casing water channel inlet 208a and a third casing water channel outlet 208b, the third casing water channel inlet 208a is close to the discharge port 12 of the rotary valve 100, the third casing water channel outlet 208b is close to the first horizontal partition plate 191 and corresponds to the first casing water channel inlet 206a, cooling water enters from the lower third casing water channel inlet 208a, flows through the third casing cooling water channel 208 and flows out from the upper third casing water channel outlet 208b; through the third casing cooling water channel 208, the temperature of the bottom of the rotary valve casing 10 can be effectively reduced, and performance degradation or damage caused by local overheating can be prevented, the third casing cooling water channel 208 can ensure that the temperature distribution of the lower part of the working side of the rotary valve 100 (on the same side of the manhole 14) is more uniform, avoids the occurrence of local overheating and protects the structure and performance of the rotary valve 100.

[0072] Referring to FIG. 1, FIG. 3 and FIG. 4, in the above-mentioned embodiment, the fourth casing cooling water channel 209 is located at the lower part of the drive side of the rotary valve 100 and is on the same side as the manhole 14, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the fourth bent partition plate 174, the second vertical partition plate 182 and the second horizontal partition plate 192; the fourth bent partition plate 174 is located between the water channel outer shell plate 15 and the rotary valve casing 10 at the lower part of the drive side, and the fourth bent partition plate 174 is symmetrically arranged on both sides of the second vertical partition plate 182 with the third bent partition plate 173. Specifically, the fourth casing cooling water channel 209 has a fourth casing water channel inlet 209a and a fourth casing water channel outlet 209b, the fourth casing water channel inlet 209a is close to the discharge port 12 of the rotary valve 100 and is symmetrically arranged with the third casing water channel inlet 208a; the fourth casing water channel outlet 209b is close to the second horizontal partition plate 192 and is symmetrically arranged with the third casing water channel outlet 208b; cooling water enters from the lower fourth casing water channel inlet 209a, flows through the fourth casing cooling water channel 209 and flows out from the upper fourth casing water channel outlet 209b. The third casing cooling water channel 208 and the fourth casing cooling water channel 209 are respectively located at the lower part of the working side and the drive side of the rotary valve 100 and are on the same side as the manhole 14. This kind of double-side cooling layout can more comprehensively cover the lower heat source area (on the same side as the manhole 14) of the rotary valve 100, further improves the overall cooling efficiency and ensures the stable operation of the rotary valve 100 in a high-temperature environment. The fourth bent partition plate 174 and the third bent partition plate 173 are symmetrically arranged on both sides of the second vertical partition plate 182, and the second horizontal partition plate 192 and the first horizontal partition plate 191 are symmetrically arranged on both sides of the second vertical partition plate 182. This kind of symmetric design not only beautifies the structure of the cooling water channel, but also makes the cooling effect on both sides more balanced, avoiding the problems of local overheating or insufficient cooling. The fourth casing cooling water channel 209 can ensure that the temperature distribution of the lower part of the drive side (on the same side as the manhole 14) of the rotary valve 100 is more uniform, avoiding the occurrence of local overheating and protecting the structure and performance of the rotary valve 100.

[0073] Referring to FIG. 3 and FIG. 5, in the above-mentioned embodiment, the fifth casing cooling water path 210 is located on the upper part of the drive side of the rotary valve 100 and on the same side as the cooling gas inlet 13, and is formed by the rotary valve casing 10, the water path outer shell plate 15, the second bent partition plate 172, the third vertical partition plate 183, the fourth vertical partition plate 184, and the third horizontal partition plate 193; the third vertical partition plate 183 is located between the middle part of the material inlet 11 and the cooling gas inlet 13 of the rotary valve 100, the fourth vertical partition plate 184 is located between the cooling gas inlet 13 and the material outlet 12 of the rotary valve 100, and the fourth vertical partition plate 184 is located on the same plane as the third vertical partition plate 183, and the third horizontal partition plate 193 is located between the middle part of the drive side flange 30 and the third vertical partition plate 183. Specifically, the fifth casing cooling water path 210 has a fifth casing water path inlet 210a and a fifth casing water path outlet 210b, the fifth casing water path inlet 210a is close to the third horizontal partition plate 193, and the fifth casing water path outlet 210b is close to the material inlet 11 of the rotary valve 100; cooling water enters from the lower fifth casing water path inlet 210a, flows through the fifth casing cooling water path 210, and flows out from the upper fifth casing water path outlet 210b; through the fifth casing cooling water path 210, the flow path of the cooling water is optimized, so that the cooling water can fully contact the hot surface of the rotary valve casing 10, the fifth casing cooling water path 210 can ensure that the temperature distribution of the upper part of the drive side of the rotary valve 100 (on the same side as the cooling gas inlet 13) is more uniform, avoids the occurrence of local overheating, and protects the structure and performance of the rotary valve 100.

[0074] Referring to FIG. 3, FIG. 4 and FIG. 5, in the above-mentioned embodiment, the sixth casing cooling water channel 211 is located on the upper part of the working side of the rotary valve 100 and on the same side as the cooling gas inlet 13, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the first bent partition plate 171, the third vertical partition plate 183, the fourth vertical partition plate 184 and the fourth horizontal partition plate 194; the fourth horizontal partition plate 194 is located between the fourth vertical partition plate 184 and the middle of the working side flange 50, and the fourth horizontal partition plate 194 is symmetrically arranged on both sides of the fourth vertical partition plate 184 with the third horizontal partition plate 193. Specifically, the sixth casing cooling water channel 211 has a sixth casing water channel inlet 211a and a sixth casing water channel outlet 211b; the sixth casing water channel inlet 211a is close to the fourth horizontal partition plate 194 and is symmetrically arranged with the fifth casing water channel inlet 210a; the sixth casing water channel outlet 211b is close to the material inlet 11 of the rotary valve 100 and is symmetrically arranged with the fifth casing water channel outlet 210b; cooling water enters from the lower sixth casing water channel inlet 211a, flows through the sixth casing cooling water channel 211 and flows out from the upper sixth casing water channel outlet 211b. The sixth casing cooling water channel 211 and the fifth casing cooling water channel 210 are respectively located on the upper part of the working side and the transmission side of the rotary valve 100 and on the same side as the cooling gas inlet 13. This kind of double-side cooling layout can more comprehensively cover the upper heat source area of the rotary valve 100 (on the same side as the cooling gas inlet 13), further improve the overall cooling efficiency and ensure the stable operation of the rotary valve 100 in a high-temperature environment. The second bent partition plate 172 is also symmetrically arranged on both sides of the third vertical partition plate 183, and the fourth horizontal partition plate 194 is symmetrically arranged on both sides of the fourth vertical partition plate 184. This kind of symmetrical design not only beautifies the structure of the cooling water channel, but also makes the cooling effect on both sides more balanced, avoiding the problems of local overheating or insufficient cooling. The sixth casing cooling water channel 211 can ensure that the temperature distribution of the upper part of the working side of the rotary valve 100 (on the same side as the cooling gas inlet 13) is more uniform, avoiding the occurrence of local overheating and protecting the structure and performance of the rotary valve 100.

[0075] Referring to FIG. 3 and FIG. 5, in the above embodiment, the seventh casing cooling water channel 212 is located at the lower part of the drive side of the rotary valve 100 and on the same side as the cooling gas inlet 13, and is formed by the rotary valve casing 10, the water channel outer shell plate 15, the fourth bent partition plate 174, the fourth vertical partition plate 184 and the third horizontal partition plate 193. Specifically, the seventh casing cooling water channel 212 has a seventh casing water channel inlet 212a and a seventh casing water channel outlet 212b, the seventh casing water channel inlet 212a is close to the discharge port 12 of the rotary valve 100, the seventh casing water channel outlet 212b is close to the third horizontal partition plate 193 and corresponds to the fifth casing water channel inlet 210a, cooling water enters from the lower seventh casing water channel inlet 212a, flows through the seventh casing cooling water channel 212 and flows out from the upper seventh casing water channel outlet 212b; through the seventh casing cooling water channel 212, the bottom temperature of the rotary valve casing 10 can be effectively reduced, preventing performance degradation or damage due to local overheating, the seventh casing cooling water channel 212 can ensure that the temperature distribution of the lower part of the drive side of the rotary valve 100 (on the same side as the cooling gas inlet 13) is more uniform, avoiding the occurrence of local overheating and protecting the structure and performance of the rotary valve 100.

[0076] Referring to FIG. 3, FIG. 4 and FIG. 5, in the above-mentioned embodiment, the eighth casing cooling water channel 213 is located at the lower part of the working side of the rotary valve 100 and is on the same side as the cooling gas inlet 13, and is formed by the rotary valve casing 10, the water channel outer casing plate 15, the third bent partition plate 173, the fourth vertical partition plate 184 and the fourth horizontal partition plate 194. Specifically, the eighth casing cooling water channel 213 has an eighth casing water channel inlet and an eighth casing water channel outlet. The eighth casing water channel inlet is close to the discharge port 12 of the rotary valve 100 and is symmetrically arranged with the seventh casing water channel inlet 212a; the eighth casing water channel outlet is close to the fourth horizontal partition plate 194 and is symmetrically arranged with the seventh casing water channel outlet 212b; cooling water enters from the lower eighth casing water channel inlet, flows through the eighth casing cooling water channel 213 and flows out from the upper eighth casing water channel outlet. The eighth casing cooling water channel 213 and the seventh casing cooling water channel 212 are respectively located at the lower part of the working side and the transmission side of the rotary valve 100 and are on the same side as the cooling gas inlet 13. This double-sided cooling layout can more comprehensively cover the lower heat source area (on the same side as the cooling gas inlet 13) of the rotary valve 100, further improve the overall cooling efficiency and ensure the stable operation of the rotary valve 100 in a high-temperature environment. The fourth bent partition plate 174 is also symmetrically arranged on both sides of the fourth vertical partition plate 184, and the fourth horizontal partition plate 194 is symmetrically arranged on both sides of the fourth vertical partition plate 184. This symmetrical design not only beautifies the structure of the cooling water channel, but also makes the cooling effect on both sides more balanced, avoiding the problems of local overheating or insufficient cooling. The eighth casing cooling water channel 213 can ensure that the temperature distribution of the lower part of the working side of the rotary valve 100 (on the same side as the cooling gas inlet 13) is more uniform, avoiding the occurrence of local overheating and protecting the structure and performance of the rotary valve 100.

[0077] Based on the same concept, the application also provides a water cooling system 300, as shown in FIG. 6, comprising a cooling water circulating unit 301, a water inlet main pipe 302, a water inlet tank 303, a cooling branch pipe 304, a water outlet tank 305, and a water outlet main pipe 306 connected in sequence to form a closed loop water circuit, and a water cooling structure comprising a rotary valve as described above, wherein the water inlet of the water inlet main pipe 302 is connected to the water outlet of the cooling water circulating unit 301, and the water outlet of the water inlet main pipe 302 is connected to the water inlet tank 303; a plurality of cooling branch pipes 304 are arranged in parallel downstream of the water inlet tank 303, each of the cooling branch pipes 304 comprises a water inlet branch pipe 304a and a water outlet branch pipe 304b, each of the water inlet branch pipes 304a is connected to the water inlet of each cooling water circuit of the rotary valve 100, and each of the water outlet branch pipes 304b is connected to the water outlet of each cooling water circuit of the rotary valve 100; the water outlet branch pipes 304b of the plurality of cooling branch pipes 304 are connected to the water outlet tank 305 downstream, the water outlet tank 305 is connected to the water outlet main pipe 306 downstream, and the water outlet of the water outlet main pipe 306 is connected to the water inlet of the cooling water circulating unit 301; a plurality of detection elements are arranged on the closed loop water circuit.

[0078] Embodiment 1:

[0079] In an embodiment, the water cooling system 300 is provided with 13 cooling branch pipes 304, which are respectively connected to the 13 cooling water circuits of the rotary valve 100 in one-to-one correspondence, and each of the cooling branch pipes 304 can control the cooling water amount independently. Specifically, the 13 cooling water circuits distributed on the rotary valve 100 each correspond to one cooling branch pipe 304, and there are a total of 13 cooling branch pipes 304. After the cooling water is output by the cooling water circulating unit 301, it is sequentially passed through the water inlet main pipe 302, the water inlet tank 303, the water inlet branch pipe 304a of the cooling branch pipe 304, each cooling water circuit of the rotary valve 100, the water outlet branch pipe 304b of the cooling branch pipe 304, the water outlet tank 305, and the water outlet main pipe 306, and then enters the cooling water circulating unit 301 for processing, thereby forming a closed loop water cooling system 300 to cool the rotary valve 100.

[0080] In the above embodiment, a plurality of detection elements are arranged in the water cooling system 300. A first pressure gauge 308 and a first thermometer 309 are arranged on the water inlet main pipe 302, and a first control valve 307 is arranged upstream and downstream of the first pressure gauge 308 and the first thermometer 309; specifically, since the cooling water sources of each of the cooling branch pipes 304 are the same, the water inlet pressure and temperature are the same, and therefore the first pressure gauge 308 and the first thermometer 309 are arranged on the water inlet main pipe 302, and the first control valve 307 is arranged upstream and downstream of the first pressure gauge 308 and the first thermometer 309, which facilitates the detection and maintenance of the first pressure gauge 308 and the first thermometer 309.

[0081] In order to realize fine control of the water cooling system 300, a first flow meter 311 is arranged on the water inlet branch pipe 304a of each cooling branch pipe 304, a second control valve 310 is arranged upstream of each first flow meter 311, and a first control valve 307 is arranged downstream of each first flow meter 311, so that the flow of each water inlet branch pipe 304a can be independently adjusted. The first control valve 307 is a manual ball valve, and the second control valve 310 is a pneumatic ball valve. The control system can remotely control the second control valve 310 to realize flow adjustment, and the combination of the two control valves can facilitate detection and maintenance of the flow meter.

[0082] A second temperature meter 312 and a second flow meter 313 are arranged on the water outlet branch pipe 304b of each cooling branch pipe 304, and a first control valve 307 is arranged upstream and downstream of the second temperature meter 312 and the second flow meter 313; a second pressure meter 314 is arranged on the water outlet main pipe 306, and a first control valve 307 is arranged downstream of the second pressure meter 314. Specifically, the second temperature meter 312 and the second flow meter 313 on each water outlet branch pipe 304b can monitor the temperature and flow of the water outlet branch pipe 304b, respectively, and compared with the first temperature meter 309 and the first flow meter 311, the temperature difference measured value and the flow difference measured value can be obtained, respectively.

[0083] Based on the same concept, the application also provides a rotary valve 100 (see FIG. 1), which comprises a water cooling structure of a rotary valve as described above.

[0084] Based on the same concept, referring to FIG. 8, the application also provides a water cooling control method applied to the water cooling system 300 as described above, and the control method comprises:

[0085] The detection elements of the water cooling system 300 monitor the corresponding parameter values in real time, and compare the set value with the real-time monitoring value to judge and execute the corresponding control instruction; wherein,

[0086] When the temperature difference measured value of the outlet and the inlet of the cooling branch pipe 304 exceeds the temperature difference preset range value, the water amount of the corresponding cooling branch pipe 304 is adjusted to make the corresponding cooling part cool normally, and otherwise, no operation is performed;

[0087] When the flow difference measured value of the outlet and the inlet of the cooling branch pipe 304 exceeds the flow difference preset range value, the water leakage of the corresponding cooling branch pipe 304 is checked to make the corresponding cooling part cool normally, and otherwise, no operation is performed;

[0088] When the temperature difference measured value of the outlet and the inlet of the multiple cooling branch pipes 304 exceeds the temperature difference preset range value, or the flow difference measured value of the outlet and the inlet of the multiple cooling branch pipes 304 exceeds the flow difference preset range value, the emergency cooling gas is started to cool.

[0089] Specifically, the control system pre-sets a temperature difference preset range value and a flow difference preset range value, compares the temperature difference preset range value with a measured temperature difference value and compares the flow difference preset range value with a measured flow difference value to execute corresponding control instructions. When the measured temperature difference value of the outlet and the inlet of the cooling branch pipe 304 exceeds the temperature difference preset range value, the control system issues an instruction to adjust the water quantity of the corresponding cooling branch pipe 304 to ensure normal cooling of the corresponding cooling part, and vice versa. When the measured flow difference value of the outlet and the inlet of the cooling branch pipe 304 exceeds the flow difference preset range value, it is checked whether there is a water leakage in the corresponding cooling branch pipe 304 to ensure normal cooling of the corresponding cooling part, and vice versa. When the measured temperature difference value of the outlet and the inlet of multiple cooling branch pipes 304 exceeds the temperature difference preset range value, or the measured flow difference value of the outlet and the inlet of multiple cooling branch pipes 304 exceeds the flow difference preset range value, the control system issues an instruction to start the cooling protection of the rotary valve 100 by the emergency cooling gas.

[0090] For example, the first shell cooling water path 206 and the second shell cooling water path 207 are relative to the third shell cooling water path 208 and the fourth shell cooling water path 209, if the given cooling water quantity is the same, then the temperature difference value of the outlet and the inlet of the cooling branch pipe 304 of the first shell cooling water path 206 and the second shell cooling water path 207 will be greater than the temperature difference value of the outlet and the inlet of the third shell cooling water path 208 and the fourth shell cooling water path 209, because when the production line is normally produced, the rotor 80 rotates counterclockwise from the perspective of FIG. 5, the material will contact the inside of the shell corresponding to the first shell cooling water path 206 and the second shell cooling water path 207, and the material has been completely discharged when it reaches the outlet, so the material will not substantially contact the inside of the shell corresponding to the third shell cooling water path 208 and the fourth shell cooling water path 209. At this time, the control system can compare the temperature difference preset range value with the measured temperature difference value to increase the cooling water quantity of the first shell cooling water path 206 and the second shell cooling water path 207, thereby ensuring that the cooling effect of each part of the rotary valve 100 is consistent, which can improve the service life of the equipment and will not affect the water cooling of other water paths, achieving the effect of energy saving and environmental protection.

[0091] In another embodiment, referring to Fig. 7, different from the embodiment 1, the water cooling system 300 is provided with 7 cooling branches 304, wherein the transmission shaft cooling water circuit 201 is connected with the first cooling branch 304 alone; the working side flange cooling water circuit 202 is connected with the second cooling branch 304 in series with the working side packing box cooling water circuit 203; the transmission side flange cooling water circuit 204 is connected with the third cooling branch 304 in series with the transmission side packing box cooling water circuit 205; the first shell cooling water circuit 206 is connected with the fourth cooling branch 304 in series with the third shell cooling water circuit 208; the second shell cooling water circuit 207 is connected with the fifth cooling branch 304 in series with the fourth shell cooling water circuit 209; the fifth shell cooling water circuit 210 is connected with the sixth cooling branch 304 in series with the seventh shell cooling water circuit 212; and the sixth shell cooling water circuit 211 is connected with the seventh cooling branch 304 in series with the eighth shell cooling water circuit 213.

[0092] Specifically, other water circuit partitioning modes can be formed by appropriate changes, such as canceling the first transverse partition plate 191, the first shell cooling water circuit 206 and the third cooling water circuit 208 can be connected in series into one cooling water circuit; such as canceling the second transverse partition plate 192, the second shell cooling water circuit 207 and the fourth shell cooling water circuit 209 can be connected in series into one cooling water circuit; such as canceling the third transverse partition plate 193, the fifth shell cooling water circuit 210 and the seventh shell cooling water circuit 212 can be connected in series into one cooling water circuit; such as canceling the fourth transverse partition plate 194, the sixth shell cooling water circuit 211 and the eighth shell cooling water circuit 213 can be connected in series into one cooling water circuit.

[0093] According to the production line working conditions, the 13 cooling water circuits distributed on the rotary valve 100 are connected in series to form 7 cooling branches 304. After the cooling water is output by the cooling water circulating unit 301, it is sequentially passed through the water inlet main pipe 302, the water inlet tank 303, the water inlet branch pipe 304a of the cooling branch 304, each cooling water circuit of the rotary valve 100, the water outlet branch pipe 304b of the cooling branch 304, the water outlet tank 305, the water outlet main pipe 306, and then enters the cooling water circulating unit 301 for treatment, thereby forming a closed loop water cooling system 300 to cool the rotary valve 100.

[0094] For the case that the production line working conditions are not extremely severe high temperature, the embodiment two gives a relatively simple water cooling system 300 compared with the embodiment one, which changes the 13 cooling branches 304 into 7 cooling branches 304, simplifying the configuration of the water cooling system 300. It should be noted that through different series or parallel schemes of each cooling water circuit of the rotary valve 100, a plurality of water cooling branches can be configured, which are not listed one by one.

[0095] In summary, the application provides a water cooling structure of a rotary valve, a water cooling system 300, a rotary valve 100 and a water cooling control method. Through studying the flow characteristics of the material in the rotary valve 100 and the temperature influence difference on each part of the rotary valve 100, the rotary valve 100 is reasonably divided into multiple cooling water paths, so as to avoid the problems of cooling dead zone and large resistance loss of the cooling water path caused by unreasonable water path division. Secondly, combined with the control of the water cooling system 300 and the control system, each cooling water path can be independently controlled. On the one hand, the cooling water amount can be adjusted according to the actual temperature difference of each part of the rotary valve 100, so that the cooling effect of each component is uniform, which is beneficial to the overall service life and energy saving and environmental protection. In addition, the control system can monitor the temperature, pressure, flow and other real-time monitoring values of each cooling water path in time, and timely closed-loop control is realized to ensure that the water cooling system 300 works normally, or in extreme cases, the production line can also run reliably.

[0096] The above embodiments only exemplarily illustrate the principles and effects of the application, and are not used to limit the application. Any person skilled in the art can modify or change the above embodiments without departing from the spirit and scope of the application. Therefore, all equivalent modifications or changes completed by those skilled in the art without departing from the spirit and technical thought of the application should be covered by the claims of the application.

Claims

1. A water cooling structure of a rotary valve including a rotary valve housing, a transmission shaft which is rotatably provided in the rotary valve housing, a transmission side flange and a transmission side packing box which are provided at a transmission side of the rotary valve housing, and a working side flange and a working side packing box which are provided at a working side of the rotary valve housing, characterized by, The water cooling structure comprises 13 cooling water paths, wherein, The transmission shaft is internally provided with a transmission shaft cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; 2. The water cooling structure of a rotary valve according to claim 1, characterized by The transmission shaft has a transmission shaft inner hole arranged in the axial direction, a sleeve is arranged in the transmission shaft inner hole, a rotary joint is connected to the front end of the sleeve, a gap is formed between the sleeve and the transmission shaft inner hole, a transmission shaft water path inlet and a transmission shaft water path outlet are arranged on the rotary joint and communicate with the transmission shaft cooling water path, and the transmission shaft cooling water path is formed by the transmission shaft inner hole, the sleeve and the rotary joint.

3. The water cooling structure of a rotary valve according to claim 1, characterized by The working flange cooling water path is arranged in the working flange, a first flange water path inlet and a first flange water path outlet are arranged on the working flange and communicate with the working flange cooling water path, the first flange water path inlet is arranged at the lower central part of the working flange cooling water path, and the first flange water path outlet is arranged at the upper central part of the working flange cooling water path.

4. The water cooling structure of a rotary valve according to claim 1, characterized by The transmission flange cooling water path is arranged in the transmission flange, a second flange water path inlet and a second flange water path outlet are arranged on the transmission flange and communicate with the transmission flange cooling water path, the second flange water path inlet is arranged at the lower central part of the transmission flange cooling water path, and the second flange water path outlet is arranged at the upper central part of the transmission flange cooling water path.

5. The water cooling structure of a rotary valve according to claim 1, wherein The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; 6. The water cooling structure of a rotary valve according to claim 1, wherein The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; 7. The water cooling structure of a rotary valve according to claim 1, wherein The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working flange cooling water path and a transmission flange cooling water path; The working flange and the transmission flange are respectively provided with a working 8. The water cooling structure of a rotary valve according to claim 1 or 7, characterized by 8 The 8 shell cooling water paths are respectively a first shell cooling water path, a second shell cooling water path, a third shell cooling water path, a fourth shell cooling water path, a fifth shell cooling water path, a sixth shell cooling water path, a seventh shell cooling water path and an eighth shell cooling water path, and the first shell cooling water path, the second shell cooling water path, the third shell cooling water path and the fourth shell cooling water path are on the same side of the maintenance hole of the rotary valve, the fifth shell cooling water path, the sixth shell cooling water path, the seventh shell cooling water path and the eighth shell cooling water path are on the same side of the cooling gas inlet of the rotary valve, and the maintenance hole and the cooling gas inlet are arranged on different sides.

9. The water cooling structure of a rotary valve according to claim 8, characterized by The first shell cooling water path is located on the upper part of the working side of the rotary valve and on the same side of the maintenance hole, and is formed by the rotary valve shell, the water path shell plate, the first bent partition plate, the first vertical partition plate, the second vertical partition plate and the first horizontal partition plate; the water path shell plate is partially wrapped on the rotary valve shell, the first bent partition plate is located between the water path shell plate and the rotary valve shell on the upper part of the working side, the first vertical partition plate is located between the middle part of the feed inlet of the rotary valve and the maintenance hole, the second vertical partition plate is located between the maintenance hole and the discharge outlet of the rotary valve, and the second vertical partition plate and the first vertical partition plate are located on the same plane, and the first horizontal partition plate is located between the middle part of the flange of the working side and the second vertical partition plate.

10. The water cooling structure of a rotary valve according to claim 9, wherein The second shell cooling water path is located on the upper part of the drive side of the rotary valve and on the same side of the maintenance hole, and is formed by the rotary valve shell, the water path shell plate, the second bent partition plate, the first vertical partition plate, the second vertical partition plate and the second horizontal partition plate; the second bent partition plate is located between the water path shell plate and the rotary valve shell on the upper part of the drive side, and the second bent partition plate and the first bent partition plate are symmetrically arranged on both sides of the first vertical partition plate, the second horizontal partition plate is located between the middle part of the flange of the drive side and the second vertical partition plate, and the second horizontal partition plate and the first horizontal partition plate are symmetrically arranged on both sides of the second vertical partition plate.

11. The water cooling structure of a rotary valve according to claim 10, wherein The third shell cooling water path is located on the lower part of the working side of the rotary valve and on the same side of the maintenance hole, and is formed by the rotary valve shell, the water path shell plate, the third bent partition plate, the second vertical partition plate and the first horizontal partition plate; the third bent partition plate is located between the water path shell plate and the rotary valve shell on the lower part of the working side.

12. The water-cooling structure of a rotary valve according to claim 11, characterized by The fourth shell cooling water path is located on the lower part of the drive side of the rotary valve and on the same side of the maintenance hole, and is formed by the rotary valve shell, the water path shell plate, the fourth bent partition plate, the second vertical partition plate and the second horizontal partition plate; the fourth bent partition plate is located between the water path shell plate and the rotary valve shell on the lower part of the drive side, and the fourth bent partition plate and the third bent partition plate are symmetrically arranged on both sides of the second vertical partition plate.

13. The water cooling structure of a rotary valve according to claim 12, characterized by The fifth casing cooling water path is located on the upper part of the drive side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water path casing plate, the second bent partition plate, the third vertical partition plate, the fourth vertical partition plate and the third horizontal partition plate; the third vertical partition plate is located between the middle of the material inlet of the rotary valve and the cooling gas inlet, the fourth vertical partition plate is located between the cooling gas inlet and the material outlet of the rotary valve, and the fourth vertical partition plate is located in the same plane as the third vertical partition plate, and the third horizontal partition plate is located between the middle of the drive side flange and the third vertical partition plate.

14. The water-cooling structure of a rotary valve according to claim 13, characterized by The sixth casing cooling water path is located on the upper part of the working side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water path casing plate, the first bent partition plate, the third vertical partition plate, the fourth vertical partition plate and the fourth horizontal partition plate; the fourth horizontal partition plate is located between the middle of the working side flange and the fourth vertical partition plate, and the fourth horizontal partition plate is symmetrically arranged on both sides of the fourth vertical partition plate with the third horizontal partition plate.

15. The water cooling structure of a rotary valve according to claim 13, wherein The seventh casing cooling water path is located on the lower part of the drive side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water path casing plate, the fourth bent partition plate, the fourth vertical partition plate and the third horizontal partition plate.

16. The water cooling structure of a rotary valve according to claim 14, wherein The eighth casing cooling water path is located on the lower part of the working side of the rotary valve and is on the same side as the cooling gas inlet, and is formed by the rotary valve casing, the water path casing plate, the third bent partition plate, the fourth vertical partition plate and the fourth horizontal partition plate.

17. A water cooling system characterized by, The water cooling structure comprises a cooling water circulating unit, a water inlet main pipe, a water inlet tank, a cooling branch pipe, a water outlet tank and a water outlet main pipe connected in sequence to form a closed loop water path, and a rotary valve as claimed in any one of claims 1-16, wherein The water inlet of the water inlet main pipe is connected with the water outlet of the cooling water circulating unit, and the water outlet of the water inlet main pipe is connected with the water inlet tank; A plurality of cooling branch pipes are arranged in parallel downstream of the water inlet tank, each of the cooling branch pipes comprises a water inlet branch pipe and a water outlet branch pipe, each of the water inlet branch pipes is connected with the water inlet of each cooling water path of the rotary valve, and each of the water outlet branch pipes is connected with the water outlet of each cooling water path of the rotary valve; The water outlet branch pipes of the plurality of cooling branch pipes are connected downstream of the water outlet tank, the water outlet tank is connected downstream of the water outlet main pipe, and the water outlet of the water outlet main pipe is connected with the water inlet of the cooling water circulating unit; A plurality of detection elements are arranged on the closed loop water path.

18. The water cooling system according to claim 17, wherein A first pressure gauge and a first temperature gauge are arranged on the water inlet main pipe, and first control valves are arranged upstream and downstream of the first pressure gauge and the first temperature gauge; A first flow gauge is arranged on the water inlet branch pipe of each cooling branch pipe, a second control valve is arranged upstream of each first flow gauge, and a first control valve is arranged downstream of each first flow gauge; A second temperature gauge and a second flow gauge are arranged on the water outlet branch pipe of each cooling branch pipe, and first control valves are arranged upstream and downstream of the second temperature gauge and the second flow gauge; A second pressure gauge is arranged on the water outlet main pipe, and a first control valve is arranged downstream of the second pressure gauge.

19. The water cooling system of claim 18, wherein, The first control valve is a manual ball valve, and the second control valve is a pneumatic ball valve.

20. The water cooling system of claim 17, wherein, The cooling branch pipes are provided with 13 pipes and are connected with 13 cooling water paths of the rotary valve one by one, and each cooling branch pipe can control the cooling water amount independently.

21. A rotary valve characterized by The water cooling structure comprises the rotary valve as claimed in any one of claims 1-16.

22. A water cooling control method characterized by, The control method is applied to the water cooling system as claimed in any one of claims 17-20, and the control method comprises: Real-time monitoring of the corresponding parameter values by the detection element of the water cooling system, comparison of the set value and the real-time monitoring value, and execution of the corresponding control instruction; wherein, When the temperature difference measured value of the outlet and the inlet of the cooling branch pipe exceeds the temperature difference preset range value, the water amount of the corresponding cooling branch pipe is adjusted to make the cooling of the corresponding cooling part normal, and otherwise, no operation is performed; When the flow difference measured value of the outlet and the inlet of the cooling branch pipe exceeds the flow difference preset range value, the water leakage of the corresponding cooling branch pipe is checked to make the cooling of the corresponding cooling part normal, and otherwise, no operation is performed; When the temperature difference measured value of the outlet and the inlet of the multiple cooling branch pipes exceeds the temperature difference preset range value, or the flow difference measured value of the outlet and the inlet of the multiple cooling branch pipes exceeds the flow difference preset range value, the emergency cooling gas is started to cool.

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