Manufacturing method of roller cooling water system and roller cooling method

Abstract

The present invention discloses a method for manufacturing a cooling water system for a roller and a method for cooling the roller, and relates to the technical field of high-temperature solid particle crushing, briquetting or compacting equipment for coal, metal, mining, chemical industry, etc. The present invention provides a method for manufacturing a cooling water system for a roller and a method for cooling the roller, which adopts a structure combining a connecting groove and an axial water channel to realize the division of the roller surface cooling water channel area and the path arrangement. The structure is simple and easy to produce and manufacture. The cooling area and the cooling water flow direction of the roller surface cooling water channel can be effectively adjusted through the outer ring distribution part; the segmented cooling method is adopted to make the temperature difference on the circumference of the roller and the roller surface smaller, effectively reducing the dimensional expansion value caused by the temperature difference when the roller is cooled, so as to improve the operating life and reliability of the roller.

Description

Technical Field

[0001] The present invention relates to the technical field of high-temperature solid particle crushing, briquetting or compacting equipment for coal, metal, mining, chemical industry, etc., and in particular to a method for manufacturing a roller cooling water system and a roller cooling method. Background Art

[0002] Roller presses are used in industries such as coal, metals, mining, and chemicals to crush, briquette, or compact solid materials, significantly reducing energy consumption and achieving high efficiency, thus meeting national energy conservation and environmental protection requirements. To reduce process steps and energy consumption, these presses must directly process uncooled, high-temperature materials ranging from 100°C to 800°C. Therefore, appropriate media and methods are required to cool the rollers and roller surfaces to reduce the impact of high temperatures on the rollers and bearings, thereby increasing their service life and reliability.

[0003] Existing roller cooling technology typically circulates downstream along the roller surface. This means that cooling water flows from the water inlet along the roller's circumference, gradually increasing in temperature. After cooling the roller surface for one full circle, the water flows out of the water outlet. Because the outlet is located next to the water inlet and its temperature is consistently higher than the inlet, the significant temperature difference leads to a significant differential in the thermal expansion of the metal material at this location. This results in the roller's lowest post-cooling temperature at the water inlet, while the roller and roller surface temperatures near the cooling water outlet are higher. This results in a significant differential in the thermal expansion of the metal material at the highest and lowest temperature points, impacting the roller's operating life and reliability. Summary of the Invention

[0004] The purpose of the present invention is: In response to the above-mentioned problems, the present invention provides a method for manufacturing a cooling water system for a roller and a method for cooling the roller, which adopts a structure combining a connecting groove and an axial water channel to realize the division of the roller surface cooling water channel area and the path arrangement. The structure is simple and easy to produce and manufacture. The cooling area and the flow direction of the cooling water channel on the roller surface can be effectively adjusted through the outer ring distribution part; the segmented cooling method is adopted to make the temperature difference on the circumference of the roller and the roller surface smaller, effectively reducing the dimensional expansion value caused by the temperature difference when the roller is cooled, so as to improve the operating life and reliability of the roller.

[0005] The technical solution adopted in the present invention is as follows:

[0006] A method for manufacturing a cooling water system for a roller comprises the following steps:

[0007] Spindle water channel processing steps: processing the main water channel inner hole from the center of one end of the roller shaft along the axial direction of the roller shaft to the other end of the roller shaft, processing the water supply channel and the water outlet channel radially from the roller surface of the roller shaft, the water supply channel is connected to the spindle water channel, and the intersection of the water supply channel and the spindle water channel forms a water supply port, the water outlet channel is connected to the spindle water channel, and the intersection of the water outlet channel and the spindle water channel forms a water outlet, and assembling a blocking device at the opening on the other side of the spindle water channel where the water supply channel and the water outlet channel are connected;

[0008] Axial water channel processing steps: Process multiple axial water channels for cooling the roller surface along the roller axis. The axial water channels are located below the roller surface and are evenly distributed on the roller in the circumferential direction. The axial water channels corresponding to the water supply channel and the water outlet channel extend from the end of the roller to the water supply channel and the water outlet channel respectively. The remaining axial water channels penetrate the roller in the axial direction. The intersection of the water supply channel and the axial water channel is the water inlet end A, and the intersection of the water outlet channel and the axial water channel is the water outlet end H.

[0009] Distribution ring processing steps: processing connecting grooves matching the axial water channels on the distribution ring, wherein the connecting grooves are arranged at intervals along the circumferential direction and correspond to the axial water channels, and each connecting groove can connect adjacent axial water channels from the end;

[0010] Cooling circulation channel processing steps: processing two semi-circular first-stage circulating cooling water channels and two-stage circulating cooling water channels on the first outer ring distribution part, the first-stage circulating cooling water channel and the two-stage circulating cooling water channel are arranged in alignment, and processing three-stage circulating cooling water channels in the shape of a circular ring on the second outer ring distribution part;

[0011] Roller surface cooling water channel assembly steps: Assemble the distribution ring at both ends of the roller shaft so that the connecting groove and the axial water channel are connected to form an S-shaped structure. The axial water channel from the water inlet end A to the water outlet end B forms a roller surface cooling water channel. The axial water channel from the water inlet end C to the water outlet end D forms a two-section roller surface cooling water channel. The two ends of a single axial water channel are the water inlet end E and the water outlet end F, forming a conversion water channel. The axial water channel from the water inlet end G to the water outlet end H is a return water channel. The one-section roller surface cooling water channel, the two-section roller surface cooling water channel, the conversion water channel and the return water channel are arranged in sequence along the circumferential direction. The water inlet end A of the one-section roller surface cooling water channel is opposite to the water inlet end C of the two-section roller surface cooling water channel. The outlet end B of the first roller surface cooling water channel corresponds to the outlet end D of the second roller surface cooling water channel; a jump water pipe is installed so that the water inlet end of the first circulating cooling water channel is connected to the outlet end B of the first roller surface cooling water channel through the jump water pipe, and the water outlet end is connected to the water inlet end C of the second roller surface cooling water channel through the jump water pipe; the water inlet end of the second circulating cooling water channel is connected to the outlet end D of the second roller surface cooling water channel through the jump water pipe, and the water outlet end is connected to the water inlet end E of the conversion water channel through the jump water pipe; the water inlet end of the third circulating cooling water channel is connected to the outlet end F of the conversion water channel through the jump water pipe, and the water outlet end is connected to the water inlet end G of the return water channel through the jump water pipe;

[0012] Water supply structure installation steps: Install the water supply pipe in the main water channel inner hole of the roller center axis, and a water supply gap is provided between the extending end of the water supply pipe and the bottom end of the main water channel inner hole. An annular water channel is formed between the water supply pipe and the main water channel inner hole, and a water channel sealing structure is installed in the annular water channel. The water channel sealing structure is located between the water supply port and the water outlet, dividing the annular water channel into a water supply channel and a water outlet channel that are not connected to each other.

[0013] Furthermore, in the spindle water channel processing step, the water supply channel and the water outlet channel are located in the middle of the roller surface and correspond to the axial water channels on the same axis. The water supply channel and the water outlet channel are arranged at intervals along the axial direction. The water outlet channel is close to the opening side of the inner hole of the main water channel, and the water outlet channel is far from the opening side of the inner hole of the main water channel.

[0014] Furthermore, a cooling water inlet and outlet device is installed at the open end of the inner hole of the main water channel through a sealing structure, and independent water supply pipes and outlet pipes are provided in the cooling water inlet and outlet device. The outlet water channel is connected to the outlet pipe of the cooling water inlet and outlet device, and the water supply pipe is connected to the water supply pipe of the cooling water inlet and outlet device.

[0015] Furthermore, both ends of the roller shaft along the axial direction are rotatably connected to the frame through bearings, and the depth of the inner hole of the main water channel matches the distance between the two bearings.

[0016] Furthermore, the roller surface of the roller shaft may be surrounded by a slicing roller or a roller sleeve, and the outer ring distribution portion may serve as a clamping ring to constrain the end of the slicing roller or the roller sleeve.

[0017] Furthermore, the first-stage roller surface cooling water channel and the second-stage roller surface cooling water channel divide the roller surface of the roller shaft into two roller surface cooling areas in half.

[0018] Furthermore, the first stage of the circulating cooling water channel corresponds to the first stage of the roller surface cooling water channel, and the second stage of the circulating cooling water channel corresponds to the second stage of the roller surface cooling water channel.

[0019] Furthermore, the water outlet end B, the water inlet end C, the water outlet end D and the water inlet end E are located on the same side of the roller shaft, and the water outlet end F and the water inlet end G are located on the other side of the roller shaft.

[0020] A roller cooling method, applied to the roller manufactured by the above manufacturing method, comprises the following steps:

[0021] Axial cooling step: Cooling water enters the main water channel inner hole located on the central axis of the roller through the water supply pipe to axially cool the roller;

[0022] Water supply step: cooling water enters the annular water supply channel formed between the water supply pipe and the inner hole of the main water channel, enters the water supply channel through the water supply port, and flows from the water supply channel into the roller surface cooling water channel;

[0023] Cooling step for the first roller surface cooling water channel: Cooling water flows from the water inlet end A to the water outlet end B of the first roller surface cooling water channel, cooling the half of the roller surface corresponding to the first roller surface cooling water channel in the forward direction; Single jump step: Cooling water flows from the water outlet end B of the first roller surface cooling water channel through the jump water pipe into the first circulating cooling water channel, cools half of the first outer ring distribution part in the reverse direction, and then flows into the second roller surface cooling water channel through the jump water pipe;

[0024] Second-stage roll surface cooling water channel step: cooling water flows from the water inlet end C of the second-stage roll surface cooling water channel to the water outlet end D, and cools the other half of the roll surface corresponding to the second-stage roll surface cooling water channel in the reverse direction; Second-stage jump step: cooling water flows from the water outlet end D of the second-stage roll surface cooling water channel through the jump water pipe into the second-stage circulating cooling water channel, and cools the other half of the first outer ring distribution part in the forward direction, and then flows into the conversion water channel through the jump water pipe;

[0025] Three-step jump: Cooling water flows from the water inlet E to the water outlet F of the conversion channel, enters the three-stage circulating cooling channel through the jump water pipe, cools the second outer ring distribution part on the other side of the roller axis in the reverse direction, and then flows into the return water channel through the jump water pipe;

[0026] Water discharge step: Cooling water flows from the water inlet end G of the return water channel to the water outlet end H, and finally enters the outlet channel. The cooling water enters the annular outlet water channel formed between the water supply pipe and the inner hole of the main water channel through the water outlet, and flows out from the opening of the inner hole of the main water channel to complete the cooling of the roller shaft.

[0027] Furthermore, it also includes a cooling water inlet and outlet device, in which independent water supply pipes and water outlet pipes are provided; in the axial cooling step, the cooling water enters the water supply pipe of the cooling water inlet and outlet device through the water inlet, and then flows into the water supply pipe; in the water outlet step, the cooling water enters the water outlet pipe of the cooling water inlet and outlet device through the outlet waterway, and is finally discharged along the water outlet.

[0028] In summary, due to the adoption of the above technical solution, the beneficial effects of the present invention are:

[0029] 1. The present invention adopts a segmented cooling method to reduce the temperature difference on the circumference of the roller shaft and the roller surface, effectively reducing the dimensional expansion value caused by the temperature difference when the roller shaft is cooled, thereby improving the operating life and reliability of the roller shaft.

[0030] 2. The present invention adopts a structure combining a connecting groove and an axial water channel to realize the division of the roller surface cooling water channel area and the path arrangement, which has a simple structure and is easy to produce.

[0031] 3. The present invention can effectively adjust the cooling area and cooling water flow direction of the roller surface cooling water channel through the outer ring distribution part.

[0032] 4. The roller surface cooling water channel of the present invention is arranged in a circuitous S-shaped structure, with high cooling efficiency and small temperature difference on the circumference. This structure has good adaptability to the roller surface width and can adapt to rollers of different widths.

[0033] 5. The present invention can effectively separate the water supply channel and the water outlet channel through the water channel blocking structure, and can realize the independent operation of the water supply channel and the water outlet channel through the single opening structure.

[0034] 6. The outer ring distribution portion of the present invention can be used as a clamping ring to constrain the end of the slicing roller or roller sleeve. BRIEF DESCRIPTION OF THE DRAWINGS

[0035] Figure 1 is a cross-sectional view of the roller cooling system of the present invention;

[0036] Figure 2 It is a structural schematic diagram of the roller of the present invention;

[0037] Figure 3 This is a cooling water flow path diagram of the roller surface cooling water channel expanded along the circumferential direction according to the present invention;

[0038] Figure 4 The present invention is about Figure 2 Cross-sectional view of AA;

[0039] Figure 5 The present invention is about Figure 2 Cross-section diagram of BB;

[0040] Figure 6 The present invention is about Figure 2 Cross-sectional view of CC;

[0041] Figure 7 The present invention is about Figure 2 Cross-sectional view of DD;

[0042] Figure 8 It is a schematic diagram of the cooling sequence of the present invention.

[0043] Markings in the figure: 1-roller shaft, 2-outer ring distribution part, 3-roller surface cooling water channel, 301-first stage roller surface cooling water channel, 302-second stage roller surface cooling water channel, 303-conversion water channel, 304-return water channel, 305-axial water channel, 306-circuitous structure, 4-cooling circulation channel, 401-first stage circulation cooling water channel, 402-second stage circulation cooling water channel, 403-third stage circulation cooling water channel, 5-jump water pipe, 6-distribution ring, 7-spindle water channel, 701-main water channel inner hole, 702-water supply pipe, 703-water channel blocking structure, 704-water supply water channel, 705-outlet water channel, 8-bearing, 9-slicing roller, 10-cooling water inlet and outlet device, 11-water outlet, 12-water inlet. DETAILED DESCRIPTION

[0044] The present invention will be described in detail below with reference to the accompanying drawings.

[0045] In order to make the purpose, technical solutions and advantages of the present invention more clearly understood, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention and are not intended to limit the present invention.

[0046] Example 1

[0047] A method for manufacturing a cooling water system for a roller, such as Figure 1-7 As shown, it includes the following steps: a main shaft water channel 7 processing step: processing a main water channel inner hole 701 from the center of one end of the roller shaft 1 along the axial direction of the roller shaft 1 to the other end of the roller shaft 1, processing a water supply channel and a water outlet channel radially from the roller surface of the roller shaft, the water supply channel is connected to the main shaft water channel 7, and a water supply port is formed at the intersection of the water supply channel and the main shaft water channel 7, the water outlet channel is connected to the main shaft water channel 7, and a water outlet 11 is formed at the intersection of the water outlet channel and the main shaft water channel 7, and a blocking device is assembled at the opening on the other side of the water supply channel and the water outlet channel where they are connected to the main shaft water channel 7;

[0048] Processing steps for the axial water channels 305: Process multiple axial water channels 305 for cooling the roll surface along the axis of the roll shaft 1. The axial water channels 305 are located below the roll surface and are evenly distributed circumferentially on the roll shaft 1. The axial water channels 305 corresponding to the water supply channel and the water outlet channel extend from the ends of the roll shaft 1 to the water supply channel and the water outlet channel, respectively. The remaining axial water channels 305 axially penetrate the roll shaft 1. The intersection of the water supply channel and the axial water channel 305 is the water inlet end A, and the intersection of the water outlet channel and the axial water channel 305 is the water outlet end H.

[0049] Processing steps of the distribution ring 6: Processing connecting grooves matching the axial water channels 305 on the distribution ring 6. The connecting grooves are arranged at intervals along the circumferential direction and correspond to the axial water channels 305. Each connecting groove can connect adjacent axial water channels 305 from the end.

[0050] Processing steps of the cooling circulation channel 4: two semi-circular first-stage circulation cooling water channels 401 and second-stage circulation cooling water channels 402 are processed on the first outer ring distribution portion, the first-stage circulation cooling water channel 401 and the second-stage circulation cooling water channel 402 are arranged in alignment, and a circular third-stage circulation cooling water channel 403 is processed on the second outer ring distribution portion;

[0051] Roller surface cooling water channel 3 assembly steps: assemble the distribution ring 6 at both ends of the roller shaft 1 so that the connecting groove and the axial water channel 305 are correspondingly connected to form an S-shaped structure, the axial water channel 305 from the water inlet end A to the water outlet end B forms a section of the roller surface cooling water channel 301, the axial water channel 305 from the water inlet end C to the water outlet end D forms a two-section roller surface cooling water channel 302, the two ends of a single axial water channel 305 are respectively the water inlet end E and the water outlet end F, forming a conversion water channel 303, the axial water channel 305 from the water inlet end G to the water outlet end H is a return water channel 304, the one-section roller surface cooling water channel 301, the two-section roller surface cooling water channel 302, the conversion water channel 303 and the return water channel 304 are arranged in sequence along the circumferential direction, the water inlet end A of the one-section roller surface cooling water channel 301 and the water inlet end of the two-section roller surface cooling water channel 302 are connected. The outlet end B of the first roller surface cooling water channel 301 corresponds to the outlet end D of the second roller surface cooling water channel 302; the jump water pipe 5 is installed to connect the water inlet end of the first circulating cooling water channel 401 with the outlet end B of the first roller surface cooling water channel 301 through the jump water pipe 5, and the outlet end is connected to the water inlet end C of the second roller surface cooling water channel 302 through the jump water pipe 5; the water inlet end of the second circulating cooling water channel 402 is connected to the outlet end D of the second roller surface cooling water channel 302 through the jump water pipe 5, and the outlet end is connected to the water inlet end E of the conversion water channel 303 through the jump water pipe 5; the water inlet end of the third circulating cooling water channel 403 is connected to the outlet end F of the conversion water channel 303 through the jump water pipe 5, and the outlet end is connected to the water inlet end G of the return water channel 304 through the jump water pipe 5, from Figure 6 and Figure 7 It can be seen that the number of jump water pipes 5 on the two sides is different. There are four jump water pipes 5 on the CC view side and two jump water pipes 5 on the DD side.

[0052] Water supply structure installation steps: Install the water supply pipe 702 in the main water channel inner hole 701 of the central axis of the roller shaft 1, and a water supply gap is provided between the extending end of the water supply pipe 702 and the bottom end of the main water channel inner hole 701. An annular water channel is formed between the water supply pipe 702 and the main water channel inner hole 701. A water channel blocking structure 703 is installed in the annular water channel. The water channel blocking structure 703 is located between the water supply port and the water outlet 11, and separates the annular water channel into a water supply channel 704 and a water outlet channel 705 that are not connected to each other.

[0053] In the processing step of the main shaft water channel 7, the water supply channel and the water outlet channel are located in the middle of the roller surface and correspond to the axial water channel 305 on the same axis. The water supply channel and the water outlet channel are arranged at intervals along the axial direction. The water outlet channel is close to the opening side of the main water channel inner hole 701, and the water outlet channel is far away from the opening side of the main water channel inner hole 701.

[0054] A cooling water inlet and outlet device 10 is installed at the open end of the inner hole 701 of the main water channel through a sealing structure. Independent water supply pipes and outlet pipes are provided in the cooling water inlet and outlet device 10. The outlet waterway 705 is connected to the outlet pipe of the cooling water inlet and outlet device 10, and the water supply pipe 702 is connected to the water supply pipe of the cooling water inlet and outlet device 10.

[0055] The roller shaft 1 is rotatably connected to the frame at both ends along the axial direction via bearings 8 , and the depth of the main water channel inner hole 701 matches the distance between the two bearings 8 .

[0056] The roller surface of the roller shaft 1 can be surrounded by a slicing roller 9 or a roller sleeve, and the outer ring distribution portion 2 can serve as a clamping ring to constrain the end of the slicing roller 9 or the roller sleeve. In this embodiment, the slicing roller 9 is mounted on the roller shaft 1, and the outer ring distribution portion 2 radially presses the axial end of the slicing roller 9 to constrain the slicing roller 9.

[0057] The first-stage roller surface cooling water channel 301 and the second-stage roller surface cooling water channel 302 divide the roller surface of the roller shaft 1 into two roller surface cooling areas.

[0058] The first stage of the circulating cooling water channel 401 corresponds to the first stage of the roller surface cooling water channel 301 , and the second stage of the circulating cooling water channel 402 corresponds to the second stage of the roller surface cooling water channel 302 .

[0059] The water outlet B, water inlet C, water outlet D and water inlet E are located on the same side of the roller shaft 1, and the water outlet F and water inlet G are located on the other side of the roller shaft 1. Figure 5 As shown, the water outlet F and the water inlet G are located on the other side of the roller shaft 1. The other end of the axial water channel 305 corresponding to the water outlet B is indicated as B', the other end of the axial water channel 305 corresponding to the water outlet C is indicated as C', and the other end of the axial water channel 305 corresponding to the water outlet D is indicated as D'.

[0060] Example 2

[0061] A roller cooling method is applied to the roller 1 manufactured by the above manufacturing method, such as Figure 1-8 As shown, the following steps are included:

[0062] Axial cooling step: Cooling water enters the main water channel inner hole 701 provided on the central axis of the roller 1 through the water supply pipe 702 to axially cool the roller 1;

[0063] Water supply step: Cooling water enters the annular water supply channel 704 formed between the water supply pipe 702 and the inner hole 701 of the main water channel, enters the water supply channel through the water supply port, and flows from the water supply channel into the roller surface cooling water channel 3;

[0064] Cooling step of a roller surface cooling water channel 301: cooling water flows from the water inlet end A to the water outlet end B of the roller surface cooling water channel 301, cooling the half of the roller surface corresponding to the roller surface cooling water channel 301 in the forward direction;

[0065] One-step jump: Cooling water flows from the outlet B of the first roller surface cooling water channel 301 through the jump water pipe 5 into the first circulating cooling water channel 401, cools half of the first outer ring distribution part in the reverse direction, and then flows through the jump water pipe 5 into the second roller surface cooling water channel 302;

[0066] Second-stage roller surface cooling water channel 302 step: Cooling water flows from the water inlet end C to the water outlet end D of the second-stage roller surface cooling water channel 302, and cools the other half of the roller surface corresponding to the second-stage roller surface cooling water channel 302 in the reverse direction;

[0067] Secondary jump step: Cooling water flows from the outlet D of the second-stage roller surface cooling water channel 302 through the jump water pipe 5 into the second-stage circulating cooling water channel 402, and cools the other half of the first outer ring distribution part in the forward direction, and then flows into the conversion water channel 303 through the jump water pipe 5;

[0068] Three-step jump: Cooling water flows from the water inlet E to the water outlet F of the switching channel 303, enters the three-stage circulating cooling channel 403 through the jump water pipe 5, and cools the second outer ring distribution part on the other axial side of the roller shaft 1 in the reverse direction, and then flows through the jump water pipe 5 into the return water channel 304;

[0069] Water discharge step: The cooling water flows from the water inlet end G of the return water channel 304 to the water outlet end H, and finally enters the water outlet channel. The cooling water enters the annular water outlet channel 705 formed between the water supply pipe 702 and the main water channel inner hole 701 through the water outlet 11, and flows out from the opening of the main water channel inner hole 701, completing the cooling of the roller shaft 1.

[0070] like Figure 8 As shown, the cooling water passes through the first roller surface cooling water channel 301, the first circulating cooling water channel 401, the second roller surface cooling water channel 302, the second circulating cooling water channel 402, the conversion water channel 303, and the third circulating cooling water channel 403 in sequence. Since the third circulating cooling section is on the other side of the roller shaft 1 in the axial direction, Figure 8 Indicated by dotted lines.

[0071] It also includes a cooling water inlet and outlet device 10, in which independent water supply pipes 702 and water outlet pipes are provided; in the axial cooling step, the cooling water enters the water supply pipe 702 of the cooling water inlet and outlet device 10 through the water inlet 12, and then flows into the water supply pipe 702; in the water outlet step, the cooling water enters the water outlet pipe of the cooling water inlet and outlet device 10 through the water outlet channel 705, and is finally discharged along the water outlet 11.

[0072] The principles and implementation methods of the present invention are described herein using specific embodiments. The description of the above embodiments is intended only to facilitate understanding of the method and core concept of the present invention. It should be noted that those skilled in the art may make various improvements and modifications to the present invention without departing from the principles of the present invention, and such improvements and modifications also fall within the scope of protection of the claims of the present invention.

[0073] In the description of the present invention, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the product of the invention is usually placed when in use. They are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation. Therefore, they should not be understood as limiting the present invention.

[0074] In the description of the present invention, it should also be noted that, unless otherwise expressly specified or limited, the terms "disposed," "installed," "connected," and "connected" should be understood in a broad sense. For example, they may refer to fixed connections, detachable connections, or integral connections; they may refer to mechanical connections or electrical connections; they may refer to direct connections or indirect connections through an intermediate medium; and they may refer to internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in the present invention based on the specific circumstances.

Claims

1. A method for manufacturing a roller cooling water system, characterized in that: The method comprises the following steps: a main shaft water channel processing step: processing an inner hole of the main water channel from the center of one end of the roller shaft along the axial direction of the roller shaft to the other end of the roller shaft, processing a water supply channel and a water outlet channel radially from the roller surface of the roller shaft, the water supply channel is connected to the main shaft water channel, and a water supply port is formed at the intersection of the water supply channel and the main shaft water channel, the water outlet channel is connected to the main shaft water channel, and a water outlet is formed at the intersection of the water outlet channel and the main shaft water channel, and a blocking device is assembled at the opening of the water supply channel and the water outlet channel on the other side of the main shaft water channel; Axial water channel processing steps: Process multiple axial water channels for cooling the roller surface along the roller axis. The axial water channels are located below the roller surface and are evenly distributed on the roller in the circumferential direction. The axial water channels corresponding to the water supply channel and the water outlet channel extend from the end of the roller to the water supply channel and the water outlet channel respectively. The remaining axial water channels penetrate the roller in the axial direction. The intersection of the water supply channel and the axial water channel is the water inlet end A, and the intersection of the water outlet channel and the axial water channel is the water outlet end H. Distribution ring processing steps: processing connecting grooves matching the axial water channels on the distribution ring, wherein the connecting grooves are arranged at intervals along the circumferential direction and correspond to the axial water channels, and each connecting groove can connect adjacent axial water channels from the end; Cooling circulation channel processing steps: processing two semi-circular first-stage circulating cooling water channels and two-stage circulating cooling water channels on the first outer ring distribution part, the first-stage circulating cooling water channel and the two-stage circulating cooling water channel are arranged in alignment, and processing three-stage circulating cooling water channels in the shape of a circular ring on the second outer ring distribution part; Roller surface cooling water channel assembly steps: Assemble the distribution ring at both ends of the roller shaft so that the connecting groove and the axial water channel are connected to form an S-shaped structure. The axial water channel from the water inlet end A to the water outlet end B forms a roller surface cooling water channel. The axial water channel from the water inlet end C to the water outlet end D forms a two-section roller surface cooling water channel. The two ends of a single axial water channel are the water inlet end E and the water outlet end F, forming a conversion water channel. The axial water channel from the water inlet end G to the water outlet end H is a return water channel. The one-section roller surface cooling water channel, the two-section roller surface cooling water channel, the conversion water channel and the return water channel are arranged in sequence along the circumferential direction. The water inlet end A of the one-section roller surface cooling water channel corresponds to the water inlet end C of the two-section roller surface cooling water channel. The outlet of the one-section roller surface cooling water channel End B corresponds to the outlet end D of the second-stage roller surface cooling water channel; a jump water pipe is installed to connect the water inlet end of the first-stage circulating cooling water channel with the outlet end B of the first-stage roller surface cooling water channel through the jump water pipe, and the outlet end of the first-stage circulating cooling water channel is connected to the water inlet end C of the second-stage roller surface cooling water channel through the jump water pipe, the water inlet end of the second-stage circulating cooling water channel is connected to the outlet end D of the second-stage roller surface cooling water channel through the jump water pipe, and the outlet end of the second-stage circulating cooling water channel is connected to the water inlet end E of the conversion water channel through the jump water pipe, the water inlet end of the third-stage circulating cooling water channel is connected to the outlet end F of the conversion water channel through the jump water pipe, and the outlet end of the third-stage circulating cooling water channel is connected to the water inlet end G of the return water channel through the jump water pipe; Water supply structure installation steps: Install the water supply pipe in the main water channel inner hole of the roller center axis, and a water supply gap is provided between the extending end of the water supply pipe and the bottom end of the main water channel inner hole. An annular water channel is formed between the water supply pipe and the main water channel inner hole, and a water channel sealing structure is installed in the annular water channel. The water channel sealing structure is located between the water supply port and the water outlet, dividing the annular water channel into a water supply channel and a water outlet channel that are not connected to each other.

2. The method for manufacturing a roller cooling water system according to claim 1, wherein: In the spindle water channel processing step, the water supply channel and the water outlet channel are located in the middle of the roller surface and correspond to the axial water channels on the same axis. The water supply channel and the water outlet channel are arranged at intervals along the axial direction. The water outlet channel is close to the opening side of the inner hole of the main water channel, and the water outlet channel is far from the opening side of the inner hole of the main water channel.

3. The method for manufacturing a roller cooling water system according to claim 1, wherein: A cooling water inlet and outlet device is installed at the open end of the inner hole of the main water channel through a sealing structure. The cooling water inlet and outlet device is provided with independent water supply pipes and outlet pipes. The outlet water channel is connected to the outlet pipe of the cooling water inlet and outlet device, and the water supply pipe is connected to the water supply pipe of the cooling water inlet and outlet device.

4. The method for manufacturing a roller cooling water system according to claim 1, wherein: The roller shaft is rotatably connected to the frame at both ends along the axis direction via bearings, and the depth of the inner hole of the main water channel matches the distance between the two bearings.

5. The method for manufacturing a roller cooling water system according to claim 1, wherein: The roller surface of the roller shaft can be surrounded by a slicing roller or a roller sleeve, and the outer ring distribution portion can be used as a clamping ring to constrain the end of the slicing roller or the roller sleeve.

6. The method for manufacturing a roller cooling water system according to claim 1, wherein: The first-stage roller surface cooling water channel and the second-stage roller surface cooling water channel divide the roller surface of the roller shaft into two roller surface cooling areas in half.

7. The method for manufacturing a roller cooling water system according to claim 6, wherein: The first stage of the circulating cooling water channel corresponds to the first stage of the roller surface cooling water channel, and the second stage of the circulating cooling water channel corresponds to the second stage of the roller surface cooling water channel.

8. The method for manufacturing a roller cooling water system according to claim 1, wherein: The water outlet end B, the water inlet end C, the water outlet end D and the water inlet end E are located on the same side of the roller shaft, and the water outlet end F and the water inlet end G are located on the other side of the roller shaft.

9. A roller cooling method, applied to the roller manufactured as claimed in claim 6 or 7, characterized in that: The steps include: Axial cooling step: Cooling water enters the main water channel inner hole located on the central axis of the roller through the water supply pipe to axially cool the roller; Water supply step: cooling water enters the annular water supply channel formed between the water supply pipe and the inner hole of the main water channel, enters the water supply channel through the water supply port, and flows from the water supply channel into the roller surface cooling water channel; Cooling step for the first roller surface cooling water channel: Cooling water flows from the water inlet end A to the water outlet end B of the first roller surface cooling water channel, cooling the half of the roller surface corresponding to the first roller surface cooling water channel in the forward direction; Single jump step: Cooling water flows from the water outlet end B of the first roller surface cooling water channel through the jump water pipe into the first circulating cooling water channel, cools half of the first outer ring distribution part in the reverse direction, and then flows into the second roller surface cooling water channel through the jump water pipe; Second-stage roll surface cooling water channel step: cooling water flows from the water inlet end C of the second-stage roll surface cooling water channel to the water outlet end D, and cools the other half of the roll surface corresponding to the second-stage roll surface cooling water channel in the reverse direction; Second-stage jump step: cooling water flows from the water outlet end D of the second-stage roll surface cooling water channel through the jump water pipe into the second-stage circulating cooling water channel, and cools the other half of the first outer ring distribution part in the forward direction, and then flows into the conversion water channel through the jump water pipe; Three-step jump: Cooling water flows from the water inlet E to the water outlet F of the conversion channel, enters the three-stage circulating cooling channel through the jump water pipe, cools the second outer ring distribution part on the other side of the roller axis in the reverse direction, and then flows into the return water channel through the jump water pipe; Water discharge step: Cooling water flows from the water inlet end G of the return water channel to the water outlet end H, and finally enters the outlet channel. The cooling water enters the annular outlet water channel formed between the water supply pipe and the inner hole of the main water channel through the water outlet, and flows out from the opening of the inner hole of the main water channel to complete the cooling of the roller shaft.

10. The roller cooling method according to claim 9, wherein: It also includes a cooling water inlet and outlet device, in which independent water supply pipes and water outlet pipes are provided; in the axial cooling step, the cooling water enters the water supply pipe of the cooling water inlet and outlet device through the water inlet, and then flows into the water supply pipe; in the water outlet step, the cooling water enters the water outlet pipe of the cooling water inlet and outlet device through the outlet waterway, and is finally discharged along the water outlet.

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