Wear-resistant ball valve
By installing a flow guiding and buffering unit inside the ball valve's inlet pipe, combined with a filtration device, the problems of wear and jamming in the ball valve are solved, achieving stable fluid transmission and sealing, extending service life and reducing maintenance costs.
Patent Information
- Application Number
- CN202520071413.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-13
- Publication Date
- 2025-11-21
- Estimated Expiration
- 2035-01-13
AI Technical Summary
When existing ball valves are used in fluids containing impurities, the sealing surface is easily damaged due to wear and jamming, which affects production efficiency and increases maintenance costs, especially under high pressure and high temperature conditions, material fatigue is aggravated.
A wear-resistant ball valve is designed by setting a flow guiding unit and a buffer unit in the water inlet pipe, including a flow deflector, a flow channel, a storage section and a buffer section, to slow down the fluid flow rate and pressure, and to remove impurities by combining with a filter device, thereby protecting the ball and valve seat and extending the service life.
It effectively reduces the wear of fluid on the internal components of the ball valve, improves sealing performance and stability, reduces noise and vibration, extends maintenance cycles, reduces downtime and costs, and protects the pipeline structure.
Smart Images
Figure CN223579021U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ball valve technical field, specifically, relate to a kind of wear-resistant ball valve. BACKGROUND
[0002] Ball valve is a widely used rotary valve, mainly used for controlling the flow of fluid in pipeline. Its working principle is to open or close the passage of fluid by rotating a spherical closure with a circular passage, however, in the process of using ball valve, if the fluid in the pipeline contains sundries, sundries can scratch the surface of the ball and the valve seat, causing the sealing surface damage, and further causing fluid leakage. At the same time, larger sundries or deposits can cause the ball and the valve seat to be stuck, so that the ball valve cannot be normally opened and closed, not only affecting production efficiency, but also needing frequent disassembly and cleaning, increasing maintenance time and cost. The impact and erosion of sundries can also accelerate the fatigue and wear of the material inside the ball valve, especially under high pressure, high temperature and other working conditions, the fatigue of the material can make the overall structure of the valve become weak, further increasing the failure rate.
[0003] Therefore, there is an urgent need for a wear-resistant ball valve to solve the problems in the current technology. SUMMARY
[0004] In view of this, the utility model provides a kind of wear-resistant ball valve, to solve the problem of poor wear resistance of existing ball valve.
[0005] The utility model provides a kind of wear-resistant ball valve, comprising:
[0006] Ball valve body, the ball valve body includes valve shell, rotating device and ball, the valve shell two ends are communicated with water inlet pipe and water outlet pipe respectively, the ball is arranged in the valve shell, and is rotationally connected with the rotating device;
[0007] Flow guide unit, including baffling portion and flow shifting portion, the baffling portion and the flow shifting portion are arranged in the water inlet pipe, and the flow shifting portion is arranged above the baffling portion;
[0008] Buffer unit, including storage part and buffer part, the middle part of the water inlet pipe is provided with storage part, and the storage part is located at the left side of the flow guide unit, and the buffer part is arranged in the storage part.
[0009] Further, the baffling portion is fixedly connected to the inner wall of the water inlet pipe, the baffling portion includes flow resistance block, flow resistance surface and groove, the flow resistance block is provided with several, the groove is opened between several baffling portions, and the flow resistance surface is formed between several flow resistance blocks and grooves.
[0010] Further, the flow shifting portion includes shaft and paddle, the shaft is rotationally connected to the water inlet pipe, and the paddle is fixedly connected to the shaft.
[0011] Further, the storage part comprises a storage bin, a bin inlet, a bin outlet and a filtering device, the storage bin is arranged in the middle of the water inlet pipe, the left side of the storage bin is provided with the bin inlet connected with the water inlet pipe, the storage bin is provided with the bin outlet connected with the flow guide unit, and the filtering device is arranged in the storage bin.
[0012] Further, the filtering device comprises a filter screen and a filter plate, the filter screen is arranged at the bin outlet, and the filter plate is movably connected with the bottom of the storage bin.
[0013] Further, the buffer part comprises a limiting plate, the storage bin is fixedly connected with a buffer plate, and one end of the buffer plate is fixedly connected with the bin inlet.
[0014] Further, the buffer part further comprises a buffer plate, the storage bin is provided with a flow guide channel, the flow guide channel is communicated with the storage bin, the storage bin is fixedly connected with a limiting plate, and the limiting plate is matched with the buffer plate.
[0015] Further, the rotating device comprises a valve rod, a rotating wheel and a connecting sleeve, the valve shell is provided with the connecting sleeve, the valve rod is located in the valve shell, and the top of the valve rod is connected with the rotating wheel through the connecting sleeve.
[0016] Further, the push plate is a rigid member made of stainless steel or alloy steel.
[0017] Further, the flow guide unit and the buffer unit are coated with a high-temperature-resistant anticorrosive coating.
[0018] Compared with the prior art, the utility model has the advantages that (1) the flow guide unit is arranged in the water inlet pipe, the flow speed of water through the water inlet pipe is slowed down, the friction and resistance are increased, the speed of water flow is reduced, the impact speed of water flow is reduced, the flow guide unit and the flow resistance block can increase the friction and resistance of water flow during the flow process, the speed of water flow is slowed down, the impact of rapid water flow on the ball valve is reduced, the influence of the ball valve sealing performance is reduced, the water flow speed is slowed down, the impact force of water flow on the ball valve is reduced, the wear between the ball and the valve seat is reduced, the service life of the ball valve is prolonged, the close cooperation between the valve seat and the ball is maintained, the integrity and sealing effect of the sealing surface are ensured.
[0019] (2) The utility model discloses a buffering unit is arranged in the water inlet pipe, further slows down the pressure and speed of water flow, protects the valve shell from being damaged, when water flow passes through the buffering portion, is guided to the storage portion, through the buffering effect of storage portion, the impact force of water flow is weakened, reaches the effect of slowing down water flow speed and reducing pressure, and water flow can flow smoothly, avoids the damage of uneven pressure distribution to the valve body, protects the valve body and pipeline of ball valve, reduces the possibility of abrasion and damage, improves the wear resistance and stability of ball valve. BRIEF DESCRIPTION OF DRAWINGS
[0020] Figure 1 The overall cross-sectional view of the wear-resistant ball valve provided by the utility model embodiment is provided.
[0021] Figure 2 The flow guide unit cross-sectional view in the wear-resistant ball valve provided by the utility model embodiment is provided.
[0022] Wherein: 1, valve shell, 2, ball, 3, water inlet pipe, 4, water outlet pipe, 5, flow guide unit, 510, baffling portion, 5101, resistance block, 5102, resistance surface, 5103, recess, 520, flow guiding portion, 5201, rotating shaft, 5202, push plate, 6, storage portion, 610, entry warehouse mouth, 620, exit warehouse mouth, 630, filter screen, 640, filter plate, 650, storage warehouse, 7, buffering portion, 710, limiting plate, 720, buffering plate, 8, valve rod, 9, rotating wheel, 10, connecting sleeve. DETAILED DESCRIPTION
[0023] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor are within the scope of protection of the present application.
[0024] In the description of the present application, it should be understood that the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation to the present application.
[0025] The terms "first", "second", "third", etc. are used only for descriptive purposes and do not connote or imply relative importance or a quantity of the indicated technical features. Thus, features defined with "first", "second" or "third" can explicitly or implicitly include one or more of the features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise specified.
[0026] In the description of the present application, it should be noted that unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connection" should be understood broadly, for example, it can be fixed connection, or detachable connection, or integral connection; it can be mechanical connection, or electrical connection; it can be direct connection, or indirect connection through intermediate medium, or internal communication of two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0027] Referring to Figure 1 As shown in the drawings, the embodiment provides a wear-resistant ball valve, which comprises a ball valve body, the ball valve body comprises a valve shell 1, a rotating device and a ball 2, the valve shell 1 is respectively communicated with a water inlet pipe 3 and a water outlet pipe 4 at both ends, the ball 2 is arranged in the valve shell 1 and is rotationally connected with the rotating device.
[0028] A flow guiding unit 5, comprising a baffle part 510 and a flow guiding part 520, the baffle part 510 and the flow guiding part 520 are arranged in the water inlet pipe 3, and the flow guiding part 520 is arranged above the baffle part 510.
[0029] A buffer unit, comprising a storage part 6 and a buffer part 7, the storage part 6 is arranged in the middle of the water inlet pipe 3, and the storage part 6 is located at the left side of the flow guiding unit 5, and the buffer part 7 is arranged in the storage part 6.
[0030] Specifically, when the fluid passes through the water inlet pipe 3, it first passes through the storage part 6, at this time the buffer part 7 first buffers the fluid, reduces the flow rate, and then the fluid enters the storage part 6, when the fluid fills the storage part 6, it will enter the pipeline where the flow guiding unit 5 is located, at this time the baffle part 510 and the flow guiding part 520 further relieve the flow of the fluid, prevent the flow rate of the fluid from being too fast to reduce the performance of the ball valve.
[0031] It can be understood that first, the fluid can reduce the impact force of the fluid on the internal components of the ball valve by passing through the preliminary buffering of the buffering unit and the further deceleration of the flow guiding unit 5 when passing through the water inlet pipe 3, reducing the direct wear of the ball 2 and the valve seat by impurities in the fluid, and prolonging the service life of the ball valve. Especially in fluids containing a large amount of solid particles, metal fragments or corrosive impurities, the sealing surface of the ball valve can be effectively protected to ensure its long-term good sealing performance. Since the fluid has been effectively decelerated and buffered before entering the ball valve, the contact between the ball 2 and the valve seat is more stable and gentle, not only reducing the damage to the sealing surface caused by high-speed impact, but also making the cooperation between the ball 2 and the valve seat more closely, thereby improving the sealing performance. By reducing the wear of the fluid on the internal components of the ball valve, the maintenance cycle of the ball valve is prolonged. Traditional ball valves are prone to wear and jamming at high flow rates and need to be frequently disassembled and cleaned. However, with the buffering unit and the flow guiding unit 5, the degree of wear of the internal components is greatly reduced, the downtime caused by maintenance is reduced, and the production efficiency and equipment utilization are improved. High-speed fluid passing through the ball valve will produce a lot of noise and vibration, which not only affects the operating environment, but also causes structural fatigue of the pipeline and valve. The buffering unit and the flow guiding unit 5 slow down the speed of the fluid and reduce the impact force of the fluid passing through the ball valve. This makes the fluid flow more smoothly, reduces the generation of noise and vibration, improves the working environment, and prolongs the service life of the pipeline and valve. The slowing down of the fluid speed makes the operation of the ball valve more stable and reliable. Neither the opening nor the closing of the valve will be jammed or vibrated due to the impact of high-speed fluid.
[0032] In some embodiments of the present application, referring to Figure 2 As shown, the flow deflection part 510 is fixedly connected to the inner wall of the water inlet pipe 3, and the flow deflection part 510 includes flow blocking blocks 5101, flow blocking surfaces 5102 and grooves 5103. The flow blocking blocks 5101 are provided with a plurality of flow blocking blocks 5101, a plurality of flow deflection parts 510 are provided with grooves 5103, and the flow blocking surfaces 5102 are formed between the plurality of flow blocking blocks 5101 and the grooves 5103.
[0033] In some embodiments of the present application, the flow deflection part 520 includes a rotating shaft 5201 and a flow plate 5202, and the rotating shaft 5201 is rotatably connected to the water inlet pipe 3, and the flow plate 5202 is fixedly connected to the rotating shaft 5201.
[0034] Specifically, when the fluid passes through the flow deflection part 510 and the flow deflection part 520, the flow blocking blocks 5101 located in the inner wall of the water inlet pipe can block the flow rate of the water flow. At the same time, when the fluid passes through the pipeline, the flow plate 5202 rotates while increasing the friction and resistance of the water flow in the flow process of the flow blocking blocks 5101, thereby slowing down the speed of the water flow and reducing the impact of the rapid water flow on the ground.
[0035] It can be understood that the baffle part 510 forms a plurality of flow blocking surfaces 5102 through the combination of a plurality of flow blocking blocks 5101 and grooves 5103, which can block and disperse the high-speed impact of the fluid, reduce the direct wear of the fluid on the internal components of the ball valve, especially the surface damage of the ball 2 and the valve seat. The paddle 5202 of the baffle part 520 further increases the friction and resistance of the fluid when rotating, so that the fluid is sufficiently decelerated before entering the ball valve, thereby prolonging the service life of the ball valve. The fluid is buffered and decelerated multiple times when passing through the water inlet pipe 3, and the flow rate is greatly reduced when entering the interior of the ball valve. This makes the contact between the ball 2 and the valve seat more stable and gentle, reducing the damage to the sealing surface caused by high-speed impact, thereby improving the sealing performance of the ball valve. Due to the reduction of fluid velocity and wear, the maintenance cycle of the ball valve is extended. Traditional high-flow ball valves need to be frequently disassembled and cleaned due to severe wear, increasing the maintenance workload and cost. However, through the buffering of the baffle part 510 and the baffle part 520, the internal components of the ball valve can maintain good working condition for a long time, reducing downtime and cost investment caused by maintenance. Through the baffle part 510 and the baffle part 520, the fluid has been buffered and decelerated multiple times before entering the ball valve, and the flow rate is more uniform and stable. Improve the accuracy of the ball valve when adjusting the flow, so that the fluid transmission is more controllable. The reduction of fluid velocity not only prolongs the wear resistance of the ball valve, but also protects the pipeline. The scouring and erosion effect of traditional high-flow fluid on the inner wall of the pipeline can easily cause the pipeline to age and break. However, the embodiment reduces the high-speed impact of the fluid and reduces the damage to the inner wall of the pipeline, delays the aging process of the pipeline, and improves the safety and stability of the pipeline.
[0036] In some embodiments of the present application, the storage part 6 comprises a storage bin 650, an inlet bin 610, an outlet bin 620 and a filtering device, the storage bin 650 is arranged in the middle of the water inlet pipe 3, the inlet bin 610 is arranged at the left side of the storage bin 650 connected with the water inlet pipe 3, the outlet bin 620 is arranged at the connection between the storage bin 650 and the flow guide unit 5, and the filtering device is arranged in the storage bin 650.
[0037] In some embodiments of the present application, the filtering device comprises a filter screen 630 and a filter plate 640, the filter screen 630 is arranged at the outlet bin 620, and the filter plate 640 is movably connected with the bottom of the storage bin 650.
[0038] Specifically, when the fluid enters the storage tank 650 through the inlet 610, the buffer part 7 first buffers the flow rate of the fluid, and then when the fluid passes through the outlet 620, the filter screen 630 of the outlet 620 filters the impurities carried by the fluid, and the impurities will sink to the bottom. At this time, only by opening the filter plate 640 at the bottom of the storage tank 650 can the impurities at the bottom of the storage tank 650 be removed. When the storage tank 650 does not need to be cleaned, the filter plate 640 is in sealing connection with the bottom of the storage tank 650, preventing fluid leakage of the pipeline, and the filter plate 640 is inclined, so that the impurities sinking to the bottom are placed on the filter plate 640 at the bottom of the storage tank 650, facilitating the opening of the filter plate 640 for cleaning.
[0039] It can be understood that the storage part 6 buffers the fluid through the buffer part 7, which reduces the flow rate of the fluid before entering the ball valve. Reducing the direct wear of the fluid on the internal components of the ball valve, especially the surface damage of the ball 2 and the valve seat. In addition, the filter screen 630 in the filter device further filters the impurities in the fluid, reducing the wear of the impurities on the valve, thereby prolonging the service life of the ball valve. After the fluid passes through the storage part 6 and the filter device, the flow rate of the fluid entering the interior of the ball valve has been greatly reduced and is relatively clean. This makes the contact between the ball 2 and the valve seat more stable and gentle, reducing the damage to the sealing surface caused by high-speed impact and impurities, thereby improving the sealing performance of the ball valve. Due to the reduction of fluid velocity and the filtration of impurities, the maintenance cycle of the wear-resistant ball valve is extended. Traditional high-flow ball valves need to be frequently disassembled and cleaned due to severe wear, increasing the maintenance workload and cost. Through the design of the storage part 6 and the filter device, the internal components of the ball valve can maintain good working condition for a long time, reducing the downtime and cost investment caused by maintenance. After the fluid is buffered and filtered in the storage part 6, the flow rate of the fluid entering the pipeline and the ball valve has been greatly reduced. This reduces the impact force of the fluid when passing through the ball valve, reducing noise and vibration. Water hammer effect is a huge impact force generated when fluid suddenly stops or changes direction, which can cause damage to the pipeline and valve. Through the design of the storage part 6 and the filter device, the fluid has been preliminarily buffered and decelerated before entering the ball valve, reducing the possibility of sudden stop or change of direction of the fluid, thereby reducing the influence of water hammer effect. Not only protects the valve, but also reduces the impact on the pipeline, improves the stability.
[0040] The buffering of the storage part 6 can adjust the pressure of the fluid, making it more stable before entering the ball valve. Especially when the fluid pressure fluctuates greatly, the storage part 6 can play a role in pressure buffering, reducing the influence of pressure fluctuation on the valve and pipeline. Improve the stability of the pressure, reduce the failure and maintenance cost caused by the pressure fluctuation.
[0041] In some embodiments of the present application, the buffer part 7 comprises a limiting plate 710, and a buffer plate 720 is fixedly connected in the storage bin 650, and one end of the buffer plate 720 is fixedly connected with the bin inlet 610.
[0042] In some embodiments of the present application, the buffer part 7 further comprises a limiting plate 710, and a flow guide channel is formed in the storage bin 650, the flow guide channel is in communication with the storage bin 650, and a limiting plate 710 is fixedly connected to the storage bin 650, and the limiting plate 710 cooperates with the buffer plate 720.
[0043] Specifically, when the fluid passes through the storage bin 650, it is first buffered by the buffer plate 720, and then the flow guide channel is formed in the storage bin 650, and when the fluid passes through the flow guide channel, the limiting plate 710 on the flow guide channel further limits the fluid to reduce its flow rate, and the limiting plate 710 can also block impurities in the fluid to some extent, so that they precipitate to the bottom of the storage bin 650, and the limiting plate 710 is located directly above the filter plate 640, further improving the filtering effect and the flow reduction effect.
[0044] It can be understood that through the buffer plate 720 of the buffer part 7 and the limiting plate 710 on the flow guide channel, the fluid undergoes multi-stage buffering after entering the storage bin 650. The buffer plate 720 first buffers the fluid preliminarily, reducing the initial speed of the fluid. Then, the limiting plate 710 further limits the fluid in the flow guide channel, so that the fluid speed is further reduced. This multi-stage buffering effect can reduce the impact of the fluid on the valve and the pipeline, improving the stability and reliability of the pipeline. The limiting plate 710 and the flow guide channel make the distribution of the fluid in the storage bin 650 more uniform. When the fluid passes through the limiting plate 710, it is forced to change direction, forming multi-directional flow, which not only further reduces the flow rate, but also makes the fluid more uniformly distributed in the storage bin 650, ensuring the uniformity and stability of the fluid. The limiting plate 710 is located directly above the filter plate 640 and forms a set of filtering mechanism with the filter plate 640. The limiting plate 710 can block part of the larger impurities, making them precipitate to the bottom of the storage bin 650, further reducing the burden of the filter screen 630. The double filtering design of the filter screen 630 and the filter plate 640 removes impurities in the fluid, improving the cleanliness of the fluid and reducing wear on the valve and pipeline. After passing through the storage bin 650 and the buffer part 7, the speed of the fluid is greatly reduced, reducing the direct impact and wear on the inner wall of the pipeline. Multi-stage buffering and filtering can adapt to the characteristics of different fluids. Whether it is a high-viscosity fluid, a corrosive fluid or a fluid containing particles, through the combination of the limiting plate 710 and the buffer plate 720, the fluid has been buffered and preliminarily filtered before entering the ball valve, reducing the impact and wear on the valve. The wear-resistant ball valve can maintain good performance and reliability under various fluid characteristics. In high-temperature working conditions, the high-speed passage of the fluid will have a greater impact on the internal heat distribution of the valve, causing local overheating and thermal deformation of the material. Through the multi-stage buffering of the buffer part 7, the fluid speed is reduced, the heat distribution is more uniform, the local overheating phenomenon is reduced, the internal structure of the valve is protected, and the service life and reliability of the material are improved. After passing through the buffer part 7 and the filtering device, the speed and impurity content of the fluid are controlled. The valve jamming and blocking phenomenon caused by high-speed fluid and impurities is reduced, ensuring smooth operation of the valve under different working conditions.
[0045] In some embodiments of the present application, the rotating device includes a valve stem 8, a rotating wheel 9 and a connecting sleeve 10, the valve housing 1 is provided with the connecting sleeve 10, the valve stem 8 is located in the valve housing 1, and the top of the valve stem 8 is connected with the rotating wheel 9 through the connecting sleeve 10.
[0046] It can be understood that the rotating device provides a precise control mechanism through the connection of the valve stem 8 and the rotating wheel 9. The valve stem 8 is located inside the valve housing 1, and its top is connected to the rotating wheel 9 through the connecting sleeve 10, so that the rotation of the rotating wheel 9 can be directly transmitted to the valve stem 8, thereby driving the ball 2 connected by the rocker, ensuring the accuracy of the rotation of the ball 2 and improving the control precision. The rotating device provides multi-point support through the connecting sleeve 10 and the rotating wheel 9, enhancing the stability of the valve stem 8. The connecting sleeve 10 is fixed on the valve housing 1, providing a stable connection point for the valve stem 8, and the rotating wheel 9 provides an additional support point through the connection with the valve stem 8. The pressure can be dispersed, reducing the shaking and wear of the valve stem 8, and improving the overall stability and reliability. The rotating device makes the operation more convenient. The connection of the valve stem 8 and the rotating wheel 9 can realize the flow limiting or closing of the ball 2 through a simple rotating action, reducing the complexity and time of the operation.
[0047] In some embodiments of the present application, the paddle 5202 is a rigid member made of stainless steel or alloy steel.
[0048] It can be understood that stainless steel and alloy steel have extremely high mechanical strength and wear resistance. During valve operation, the paddle 5202 needs to be frequently rotated in the fluid to guide the flow direction of the fluid. The paddle 5202 made of stainless steel or alloy steel can withstand greater mechanical stress and impact force, ensuring its stability and reliability in long-term operation. This high-strength material not only prevents deformation and damage of the paddle 5202, but also prolongs the overall service life of the valve. In some working conditions, the fluid may contain corrosive substances such as acids, bases, salts, and other chemical media. Stainless steel and alloy steel have excellent corrosion resistance and can maintain good chemical stability and mechanical properties in these corrosive environments. This not only reduces damage to the paddle 5202 caused by corrosion, but also prolongs the service life of the valve in corrosive environments, improving overall performance and reliability. In high-temperature working conditions, such as the petrochemical and metallurgical industries, the temperature of the fluid may be as high as several hundred degrees Celsius. Traditional metal materials may lose some mechanical properties at high temperatures, leading to deformation or failure. Stainless steel and alloy steel have good high-temperature resistance and can maintain their mechanical strength and chemical stability in high-temperature environments, ensuring the normal operation of the valve in high-temperature working conditions. This not only improves the high-temperature resistance of the valve, but also reduces the cost of maintenance caused by high temperatures. In some working conditions, the fluid may operate in low-temperature environments, such as the transportation of liquefied natural gas. Low-temperature environments have higher requirements for the performance of metal materials, and traditional materials may become more brittle at low temperatures and be prone to breakage. Stainless steel and alloy steel have good low-temperature resistance and can maintain their mechanical strength and toughness in low-temperature environments, ensuring the stable operation of the valve under low-temperature conditions. Stainless steel and alloy steel have excellent wear resistance, which can prolong the service life of the paddle 5202. In the case of frequent opening and closing of the valve and high-speed passage of the fluid, the paddle 5202 made of traditional materials may quickly wear out, leading to a decrease in valve performance. The paddle 5202 made of stainless steel or alloy steel can maintain good surface quality and mechanical properties in these harsh working conditions, reducing wear and damage and prolonging the overall service life of the valve.
[0049] In some embodiments of the present application, the flow guide unit 5 and the buffer unit are coated with a high-temperature resistant and corrosion-resistant coating.
[0050] It can be understood that the high-temperature resistant and corrosion-resistant coating can maintain its stability and protective performance in high-temperature working conditions. In the petrochemical, metallurgical, and aerospace industries, the working temperature may be as high as several hundred degrees Celsius or even higher. This coating can prevent oxidation and performance degradation of the metal surface in high-temperature environments, ensuring the normal operation of the valve in high-temperature working conditions. Compared with uncoated metal surfaces, high-temperature resistant coatings can improve the thermal stability of the material, reduce the impact of thermal stress on the internal structure of the valve, and prolong the service life of the valve.
[0051] The high-temperature-resistant and corrosion-resistant coating has excellent corrosion resistance and can maintain good chemical stability and mechanical properties in corrosive media such as acids, bases, and salts. In some highly corrosive working conditions, such as chemical plants and sewage treatment plants, corrosive substances in the fluid can severely damage metal components, leading to valve failure. This coating can provide an additional protective layer in these corrosive environments, preventing corrosion of the metal surface, improving the corrosion resistance of the valve, and extending its service life. In addition, the coating can reduce material fatigue and structural damage caused by corrosion, ensuring the stability and reliability of the valve during long-term operation. The high-temperature-resistant and corrosion-resistant coating has a low surface roughness, which can reduce the friction between the fluid and the internal surface of the valve. When the fluid passes through the valve, low surface roughness can reduce fluid turbulence and irregular flow, reducing the impact and wear on the internal components of the valve. This not only improves the transmission efficiency of the fluid but also extends the service life of the valve and reduces maintenance costs.
[0052] One of the above-mentioned wear-resistant ball valves can slow down the flow rate of water through the water inlet pipe, increase friction and resistance, reduce the speed of water flow, and reduce the impact speed of water flow. The flow guide unit can cooperate with the flow block to increase the friction and resistance of the water flow during the flow process, thereby slowing down the speed of the water flow and reducing the impact of the water flow on the ball valve, which affects the sealing performance of the ball valve. Slowing down the water flow can reduce the impact force of the water flow on the ball valve, reduce the wear between the ball and the valve seat, thereby prolonging the service life of the ball valve, and maintaining the close fit between the valve seat and the ball, ensuring the integrity and sealing effect of the sealing surface.
[0053] One of the above-mentioned wear-resistant ball valves can further slow down the pressure and speed of the water flow by setting a buffer unit in the water inlet pipe, protecting the valve shell from damage. When the water flow passes through the buffer part, it is guided to the storage part, and the impact force of the water flow is weakened by the buffering effect of the storage part, achieving the effect of slowing down the water flow speed and reducing the pressure. The water flow can flow smoothly, avoiding damage to the valve body caused by uneven pressure distribution, protecting the valve body and pipeline of the ball valve, reducing the possibility of wear and damage, and improving the wear resistance and stability of the ball valve.
[0054] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.
Claims
1. A wear ball valve, characterized in that, The utility model relates to a water supply and drainage device, including: A ball valve body, the ball valve body includes a valve shell, a rotating device and a ball, the valve shell is provided with a water inlet pipe and a water outlet pipe respectively at both ends, the ball is arranged in the valve shell and is rotationally connected with the rotating device; A flow guide unit, including a baffle and a flow guide part, the baffle and the flow guide part are arranged in the water inlet pipe, and the flow guide part is arranged above the baffle; A buffer unit, including a storage part and a buffer part, a storage part is arranged in the middle of the water inlet pipe, and the storage part is located on the left side of the flow guide unit, and the buffer part is arranged in the storage part.
2. The wear ball valve according to claim 1, wherein, The utility model relates to a water supply and drainage device, including: The baffle is fixedly connected to the inner wall of the water inlet pipe, the baffle includes a flow resistance block, a flow resistance surface and a groove, the flow resistance block is provided with a plurality of flow resistance blocks, a groove is arranged between the plurality of baffles, and a flow resistance surface is formed between the plurality of flow resistance blocks and the groove.
3. The wear ball valve according to claim 2, wherein, The flow guide part includes a rotating shaft and a flow guide plate, the rotating shaft is rotationally connected to the water inlet pipe, and the flow guide plate is fixedly connected to the rotating shaft.
4. The wear ball valve according to claim 3, wherein, The storage part includes a storage bin, a bin inlet, a bin outlet and a filter device, the storage bin is arranged in the middle of the water inlet pipe, the bin inlet is arranged at the connection between the left side of the storage bin and the water inlet pipe, the bin outlet is arranged at the connection between the storage bin and the flow guide unit, and the filter device is arranged in the storage bin.
5. The wear ball valve according to claim 4, wherein, The filter device includes a filter screen and a filter plate, the filter screen is arranged in the bin outlet, and the filter plate is movably connected to the bottom of the storage bin.
6. The wear ball valve according to claim 5, wherein, The buffer part includes a limiting plate, a buffer plate is fixedly connected in the storage bin, and one end of the buffer plate is fixedly connected to the bin inlet.
7. The wear ball valve according to claim 6, characterized in that The buffer part further includes a buffer plate, a flow guide channel is arranged in the storage bin, the flow guide channel is communicated with the storage bin, a limiting plate is fixedly connected to the storage bin, and the limiting plate cooperates with the buffer plate.
8. The wear ball valve of claim 1, wherein, The rotating device includes a valve rod, a rotating wheel and a connecting sleeve, the connecting sleeve is arranged on the valve shell, the valve rod is arranged in the valve shell, and the top of the valve rod is connected with the rotating wheel through the connecting sleeve.
9. The wear ball valve according to claim 3, wherein, The flow guide plate is made of stainless steel or alloy steel.
10. The wear ball valve of claim 1, wherein, The flow guide unit and the buffer unit are coated with a high-temperature-resistant anticorrosive coating.