Bidirectional frictionless hard seal high temperature and high pressure ball valve

Abstract

The present invention relates to the field of valve technology, and in particular to a two-way frictionless hard-sealed high-temperature and high-pressure ball valve, comprising a filtering mechanism, a first cleaning mechanism, an opening and closing mechanism, and a second cleaning mechanism. A filter screen is provided to filter particulate impurities in water, and water flowing in a first water inlet pipe drives a fan blade to rotate, and the rotation of the fan blade drives a spiral rod to rotate to push particulate impurities inside the filter screen and collect them inside a receiving trough for regular cleaning. When it is necessary to open and close the valve, a turntable is first pressed downward, and the turntable moves downward, thereby driving a first rubber block to move outward without contacting the ball. In this way, rotating the turntable again to drive the ball to rotate will not generate friction with the first rubber block, thereby extending the service life of the valve. In the process of pressing the turntable downward, the second steel wire rope is driven downward to drive the cleaning block to move inward, and the inward movement of the cleaning block can clean the particulate impurities retained inside the small holes of the filter screen through the small thin rods protruding from the inner wall of the cleaning block.

Description

Technical Field

[0001] The invention relates to the technical field of valves, in particular to a bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve. Background Art

[0002] Ball valve is a valve whose opening and closing part (ball) is driven by the valve stem and rotates around the axis of the ball valve. It can also be used for fluid regulation and control. The hard-sealed V-type ball valve has a strong shear force between its V-type ball core and the metal valve seat with hard alloy surfacing, which is particularly suitable for media containing fibers, tiny solid particles, etc. The multi-way ball valve can not only flexibly control the confluence, diversion, and flow direction switching of the medium on the pipeline, but also close any channel to connect the other two channels. This type of valve should generally be installed horizontally in the pipeline. Ball valves are divided into: pneumatic ball valves, electric ball valves, and manual ball valves according to the driving method.

[0003] There are many reasons for the damage of ball valves in the actual production process. The main reason is the wear of the ball leading to poor sealing. The second reason is that when the ball valve is used in an environment with large particles in the sewer cleaning medium, the flow of the medium will cause strong friction to the ball seal and damage the ball valve. The existing ball valve repeatedly rubs against the valve seat when opening and closing. The ball will be worn over a long period of time. The wear of the ball will affect the air tightness between the ball and the valve seat, which will cause water leakage in the ball valve and reduce the service life of the ball valve. Therefore, it is necessary to design a two-way frictionless hard-sealed high-temperature and high-pressure ball valve to solve the above problems. Summary of the invention

[0004] In view of the problems in the prior art, the present invention provides a bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve.

[0005] The technical solution adopted by the present invention to solve its technical problem is: a two-way frictionless hard-sealed high-temperature and high-pressure ball valve, including a valve body, a ball rotating in the valve body and a valve stem, characterized in that: a first rubber block that is sealed and matched with the ball is slid in the valve body, and the valve stem is driven and matched with the first rubber block through an opening and closing mechanism, wherein when the valve stem drives the ball to rotate, the first rubber block is moved away from or close to the ball through the opening and closing mechanism; the opening and closing mechanism includes a first sleeve, the side wall of the first sleeve is fixedly connected to the valve body, and the interior of the first sleeve is rotatably connected to the second rotating shaft The upper end of the second rotating shaft is fixedly connected to the rotating disk, the side wall of the second rotating shaft is fixedly connected to the first stopper, the lower end of the first stopper is tightly fitted with the first spring, a special-shaped groove is provided inside the second rotating shaft, and the special-shaped groove is slidably connected with the special-shaped block, the lower end of the special-shaped block is fixedly connected to the valve stem, the lower end of the valve stem is fixedly connected to the ball, and a hollow groove is provided inside the ball. The side wall of the second rotating shaft is fixedly connected to the first steel wire rope, the side wall of the first steel wire rope is tightly fitted with the rotating pin, one end of the rotating pin is rotatably connected to the valve body, and the first steel wire rope is The first end is connected to the first rubber block, the side wall of the first rubber block is fixedly connected to the telescopic rod, the side wall of the telescopic rod is fixedly connected to the second stopper, one end of the second stopper is tightly fitted with the second spring, one end of the second spring is tightly fitted with the telescopic cylinder, and one end of the telescopic rod is arranged inside the telescopic cylinder; when it is necessary to open and close the valve, the turntable is first pressed downward, and the turntable is pressed downward to drive the second rotating shaft to move downward, and the second rotating shaft moves downward to drive the first stopper to move downward, and the first stopper moves downward to compress the first spring, and in the process of the second rotating shaft moving downward, the first steel wire rope moves downward, and the first steel wire rope moves downward to drive the first rubber block to move leftward, the first rubber block moves to the left to drive the telescopic rod to move to the left, and the telescopic rod moves to the left to drive the second stopper to move to the left, and the second stopper moves to the left to compress the second spring, and in the process of the turntable pressing downward, the first rubber block moves to both sides, and the first rubber block slides inside the second partition, and the first rubber block slides to both sides without contacting the ball, so that the turntable is rotated again to drive the ball to rotate without friction with the first rubber block, thereby extending the service life of the valve.

[0006] The invention comprises a filtering mechanism, a first cleaning mechanism, an opening and closing mechanism, and a second cleaning mechanism, wherein one end of the filtering mechanism is provided with a first cleaning mechanism for collecting particulate impurities, one end of the first cleaning mechanism is provided with an opening and closing mechanism, and one side of the opening and closing mechanism is provided with a second cleaning mechanism; particulate impurities in water are filtered by setting a filter net, water flowing in the first water inlet pipe will drive the fan blades to rotate, and the rotation of the fan blades drives the spiral rod to rotate to push the particulate impurities inside the filter net to be collected into the receiving trough for regular cleaning, and when it is necessary to open and close the valve, the turntable is first pressed downward, and the downward movement of the turntable drives the first rubber block to move outward without contacting the ball, so that the rotation of the turntable drives the rotation of the ball without generating friction with the first rubber block, thereby extending the service life of the valve, and in the process of pressing the turntable downward, the second steel wire rope is driven downward to drive the cleaning block to move inward, and the inward movement of the cleaning block cleans the particulate impurities retained in the small holes of the filter net through the small thin rods protruding from the inner wall of the cleaning block.

[0007] Preferably, the filtering mechanism includes a first water inlet pipe, a side wall of the first water inlet pipe is fixedly connected to the first partition, a side wall of the first partition is fixedly connected to the second water inlet pipe, an inner side wall of the first water inlet pipe is fixedly connected to the filter net, a side wall of the first water inlet pipe is fixedly connected to the third water inlet pipe, one end of the second water inlet pipe is fixedly connected to the second partition, and one end of the second partition is fixedly connected to the valve body; water is introduced from the first water inlet pipe, water passes through the inside of the filter net from the first water inlet pipe, water enters the inside of the third water inlet pipe through the small holes of the filter net, and water enters the inside of the second water inlet pipe from the third water inlet pipe, and more particulate impurities will remain inside the filter net.

[0008] Preferably, the first cleaning mechanism includes a first connecting rod, one end of the first connecting rod is fixedly connected to the first water inlet pipe, one end of the first connecting rod is fixedly connected to the bearing, the inner side wall of the bearing is fixedly connected to the first rotating shaft, the side wall of the first rotating shaft is fixedly connected to the fan blade, the side wall of the first rotating shaft is fixedly connected to the spiral rod, and the lower end of the first water inlet pipe is rotatably connected to the material receiving trough; water drives the fan blade to rotate during the flow of water inside the first water inlet pipe, the rotation of the fan blade drives the first rotating shaft to rotate, and the rotation of the first rotating shaft drives the spiral rod to rotate, and the rotation of the spiral rod will push the particulate impurities remaining in the filter screen into the material receiving trough for collection, and the material receiving trough is regularly twisted to clean the particulate impurities inside. If particulate impurities adhere to the gap between the ball and the valve body during use of the existing ball valve, the friction will increase. The long-term attachment of particulate impurities between the ball and the valve body will affect the air tightness of the ball valve. Therefore, the present invention effectively avoids the friction of particulate impurities between the ball and the valve body by cleaning the particulate impurities in the water.

[0009] Preferably, the second cleaning mechanism includes a second steel wire rope, one end of the second steel wire rope is fixedly connected to the second rotating shaft, the side wall of the second steel wire rope is tightly fitted with the rotating pin, one end of the rotating pin is rotatably connected to the valve body, the side wall of the second steel wire rope is slidably connected to the second rubber block, the second rubber block is fixedly connected to the first water inlet pipe, the lower end of the second steel wire rope is fixedly connected to the second connecting rod, the lower end of the second connecting rod is fixedly connected to the third steel wire rope, one end of the third steel wire rope is fixedly connected to the sliding rod, the sliding rod is arranged inside the second sleeve, the side wall of the second sleeve is fixedly connected to the first water inlet pipe, one end of the second sleeve is tightly fitted with the third spring, and the third spring It is arranged inside the sliding rod, and one end of the sliding rod is fixedly connected to the cleaning block; in the process of the second rotating shaft moving downward, it drives the second steel wire rope to move downward, the second steel wire rope moves downward to pull the second connecting rod to move upward, the second connecting rod moves upward to drive the third steel wire rope to move upward, the third wire rope moves upward to drive the sliding rod to move inward, the inward movement of the sliding rod drives the cleaning block to move inward, the inward movement of the cleaning block will compress the third spring, and in the process of the cleaning block moving inward, the small thin rods protruding from the inner wall of the cleaning block will clean the particulate impurities retained in the small holes of the filter screen to the inside of the filter screen, and then the spiral rod rotates to drive the particulate impurities into the receiving trough for collection.

[0010] Beneficial effects of the present invention:

[0011] (1) The bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve described in the present invention filters particulate impurities in water by setting a filter net. The water flowing in the first water inlet pipe drives the fan blades to rotate. The rotation of the fan blades drives the spiral rod to rotate and push the particulate impurities inside the filter net to be collected into the receiving trough for regular cleaning.

[0012] (2) In the bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve described in the present invention, when the valve needs to be opened or closed, the turntable is first pressed downward, and the turntable moves downward, thereby driving the first rubber block to move outward without contacting the ball. In this way, when the turntable is rotated again, the ball is driven to rotate without friction with the first rubber block, thereby extending the service life of the valve.

[0013] (3) The bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve described in the present invention drives the second steel wire rope to move downward and then drives the cleaning block to move inward when the turntable is pressed downward. The inward movement of the cleaning block will clean the particulate impurities remaining inside the small holes of the filter screen through the small thin rods protruding from the inner wall of the cleaning block. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The present invention is further described below in conjunction with the accompanying drawings and embodiments.

[0015] Figure 1 A schematic diagram of the overall structure provided by the present invention;

[0016] Figure 2 for Figure 1 A schematic diagram of the connection structure between the second partition plate and the valve body shown;

[0017] Figure 3 for Figure 1 The schematic diagram of the connection structure between the fan blade and the spiral rod shown;

[0018] Figure 4 for Figure 1 The schematic diagram of the connection structure between the rotating disk and the second rotating shaft shown;

[0019] Figure 5 for Figure 2 An enlarged schematic diagram of part A is shown;

[0020] Figure 6 for Figure 1 The schematic diagram of the connection structure between the sphere and the hollow groove shown;

[0021] Figure 7 for Figure 6 A schematic diagram of the connection structure between the first stopper and the first spring shown;

[0022] Figure 8 for Figure 7 The schematic diagram of the connection structure between the special-shaped block and the valve stem shown;

[0023] Fig. 9 for Figure 6 An enlarged schematic diagram of part B is shown;

[0024] Fig.10 for Figure 3 A schematic diagram of the connection structure between the second sleeve and the third spring shown;

[0025] Fig.11 for Fig.10 Schematic diagram of the cleaning block structure is shown.

[0026] In the figure: 1, filtering mechanism; 11, first water inlet pipe; 12, first partition; 13, second water inlet pipe; 14, filter screen; 15, third water inlet pipe; 16, second partition; 17, valve body; 2, first cleaning mechanism; 21, first connecting rod; 22, bearing; 23, first rotating shaft; 24, fan blade; 25, screw rod; 26, receiving trough; 3, opening and closing mechanism; 31, rotating disk; 32, second rotating shaft; 33, first sleeve; 34, first stopper; 35, first spring; 36, ball; 3 7. Hollow groove; 38. First steel wire rope; 39. Rotating pin; 310. First rubber block; 311. Telescopic rod; 312. Second stop block; 313. Second spring; 314. Telescopic cylinder; 315. Special-shaped groove; 316. Special-shaped block; 317. Valve stem; 4. Second cleaning mechanism; 41. Second steel wire rope; 42. Rotating pin; 43. Second rubber block; 44. Second connecting rod; 45. Third steel wire rope; 46. Sliding rod; 47. Second sleeve; 48. Third spring; 49. Cleaning block. DETAILED DESCRIPTION

[0027] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further explained below in conjunction with specific implementation methods.

[0028] like Figure 1-Figure 11 As shown, in a bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve of the present invention, the filter mechanism 1 is arranged at the water inlet end of the valve body.

[0029] The invention comprises a filtering mechanism 1, a first cleaning mechanism 2, an opening and closing mechanism 3, and a second cleaning mechanism 4. The first cleaning mechanism 2 for collecting particulate impurities is provided at one end of the filtering mechanism 1, the opening and closing mechanism 3 is provided at one end of the first cleaning mechanism 2, and the second cleaning mechanism 4 is provided on one side of the opening and closing mechanism 3. The particulate impurities in the water are filtered by setting a filter net 14. The water flowing in the first water inlet pipe 11 will drive the fan blades 24 to rotate. The rotation of the fan blades 24 drives the spiral rod 25 to rotate to push the particulate impurities inside the filter net 14 to be collected into the receiving trough 26 for regular cleaning. When needed, When opening and closing the valve, the turntable 31 is first pressed downward. The turntable 31 moves downward, thereby driving the first rubber block 310 to move outward without contacting the ball 36. In this way, the turntable 31 is rotated to drive the ball 36 to rotate without generating friction with the first rubber block 310, thereby extending the service life of the valve. In the process of pressing the turntable 31 downward, the second steel wire rope 41 is driven downward, thereby driving the cleaning block 49 to move inward. The inward movement of the cleaning block 49 can clean the particulate impurities retained in the small holes of the filter screen 14 through the small thin rods protruding from the inner wall of the cleaning block 49.

[0030] Preferably, the filtering mechanism 1 includes a first water inlet pipe 11, a side wall of the first water inlet pipe 11 is fixedly connected to a first partition 12, a side wall of the first partition 12 is fixedly connected to a second water inlet pipe 13, an inner side wall of the first water inlet pipe 11 is fixedly connected to a filter screen 14, a side wall of the first water inlet pipe 11 is fixedly connected to a third water inlet pipe 15, one end of the second water inlet pipe 13 is fixedly connected to a second partition 16, and one end of the second partition 16 is fixedly connected to a valve body 17; water is introduced from the first water inlet pipe 11, water passes through the inside of the filter screen 14 from the first water inlet pipe 11, water enters the inside of the third water inlet pipe 15 through the small holes of the filter screen 14, and water enters the inside of the second water inlet pipe 13 from the third water inlet pipe 15, and a large amount of particulate impurities will remain inside the filter screen 14.

[0031] Preferably, the first cleaning mechanism 2 includes a first connecting rod 21, one end of the first connecting rod 21 is fixedly connected to the first water inlet pipe 11, one end of the first connecting rod 21 is fixedly connected to the bearing 22, the inner side wall of the bearing 22 is fixedly connected to the first rotating shaft 23, the side wall of the first rotating shaft 23 is fixedly connected to the fan blade 24, the side wall of the first rotating shaft 23 is fixedly connected to the spiral rod 25, and the lower end of the first water inlet pipe 11 is rotatably connected to the receiving trough 26; the water drives the fan blade 24 to rotate during the flow inside the first water inlet pipe 11, and the rotation of the fan blade 24 drives the first rotating shaft 23 to rotate, and the first rotating shaft 23 The rotation drives the spiral rod 25 to rotate, and the rotation of the spiral rod 25 will push the particulate impurities retained in the filter screen 14 into the receiving trough 26 for collection. The receiving trough 26 is regularly turned to clean the particulate impurities inside. If particulate impurities adhere to the gap between the ball 36 and the valve body during the use of the existing ball valve, the friction will increase. The long-term attachment of particulate impurities between the ball 36 and the valve body will affect the air tightness of the ball valve. Therefore, the present invention cleans the particulate impurities in the water, thereby effectively avoiding the friction of particulate impurities between the ball 36 and the valve body.

[0032] Preferably, the opening and closing mechanism 3 includes a first sleeve 33, the side wall of the first sleeve 33 is fixedly connected to the valve body 17, the interior of the first sleeve 33 is rotatably connected to the second shaft 32, the upper end of the second shaft 32 is fixedly connected to the turntable 31, the side wall of the second shaft 32 is fixedly connected to the first stopper 34, the lower end of the first stopper 34 is tightly fitted with the first spring 35, the interior of the second shaft 32 is provided with a special-shaped groove 315, the interior of the special-shaped groove 315 is slidably connected to the special-shaped block 316, the lower end of the special-shaped block 316 is fixedly connected to the valve stem 317, and the lower end of the valve stem 317 The second rotating shaft 32 is fixedly connected to the sphere 36, a hollow groove 37 is provided inside the sphere 36, the side wall of the second rotating shaft 32 is fixedly connected to the first steel wire rope 38, the side wall of the first steel wire rope 38 is tightly fitted with the rotating pin 39, one end of the rotating pin 39 is rotatably connected to the valve body 17, one end of the first steel wire rope 38 is connected to the first rubber block 310, the side wall of the first rubber block 310 is fixedly connected to the telescopic rod 311, the side wall of the telescopic rod 311 is fixedly connected to the second stopper 312, one end of the second stopper 312 is tightly fitted with the second spring 313, one end of the second spring 313 is connected to the telescopic cylinder 3 14 fits tightly, and one end of the telescopic rod 311 is arranged inside the telescopic cylinder 314; when the valve needs to be opened or closed, the turntable 31 is pressed downward first, and the turntable 31 is pressed downward to drive the second shaft 32 to move downward, and the second shaft 32 moves downward to drive the first stopper 34 to move downward, and the first stopper 34 moves downward to compress the first spring 35, and in the process of the second shaft 32 moving downward, the first steel wire rope 38 moves downward, and the first steel wire rope 38 moves downward to drive the first rubber block 310 to move leftward, and the first rubber block 310 moves leftward. The telescopic rod 311 moves to the left, and the telescopic rod 311 moves to the left, which drives the second stopper 312 to move to the left. The second stopper 312 moves to the left to compress the second spring 313. In the process of pressing the turntable 31 downward, the first rubber block 310 moves to both sides, and the first rubber block 310 slides inside the second partition plate 16. The first rubber block 310 slides to both sides without contacting the ball 36. In this way, rotating the turntable 31 and driving the ball 36 to rotate will not generate friction with the first rubber block 310, thereby extending the service life of the valve.

[0033] Preferably, the second cleaning mechanism 4 includes a second steel wire rope 41, one end of the second steel wire rope 41 is fixedly connected to the second rotating shaft 32, the side wall of the second steel wire rope 41 is tightly fitted with the rotating pin 42, one end of the rotating pin 42 is rotatably connected to the valve body 17, the side wall of the second steel wire rope 41 is slidably connected to the second rubber block 43, the second rubber block 43 is fixedly connected to the first water inlet pipe 11, the lower end of the second steel wire rope 41 is fixedly connected to the second connecting rod 44, the lower end of the second connecting rod 44 is fixedly connected to the third steel wire rope 45, one end of the third steel wire rope 45 is fixedly connected to the sliding rod 46, the sliding rod 46 is arranged inside the second sleeve 47, the side wall of the second sleeve 47 is fixedly connected to the first water inlet pipe 11, one end of the second sleeve 47 is tightly fitted with the third spring 48, and the third spring 48 is arranged on the sliding rod 4 6, one end of the sliding rod 46 is fixedly connected to the cleaning block 49; in the process of the second rotating shaft 32 moving downward, the second steel wire rope 41 moves downward, the second steel wire rope 41 moves downward to pull the second connecting rod 44 to move upward, the second connecting rod 44 moves upward to drive the third steel wire rope 45 to move upward, the third steel wire rope 45 moves upward to drive the sliding rod 46 to move inward, the sliding rod 46 moves inward to drive the cleaning block 49 to move inward, the inward movement of the cleaning block 49 will compress the third spring 48, and in the process of the cleaning block 49 moving inward, the small thin rod protruding from the inner wall of the cleaning block 49 will clean the particle impurities retained in the small holes of the filter screen 14 to the inside of the filter screen 14, and then the spiral rod 25 rotates to drive the particle impurities into the inside of the receiving trough 26 for collection.

[0034] When the present invention is in use, water is first introduced from the first water inlet pipe 11, and then the water passes through the filter screen 14 from the first water inlet pipe 11, and then the water passes through the small holes of the filter screen 14 and enters the third water inlet pipe 15, and then the water enters the second water inlet pipe 13 from the third water inlet pipe 15. A large number of particulate impurities will remain in the filter screen 14. During the process of water flowing in the first water inlet pipe 11, the fan blades 24 are driven to rotate, and the rotation of the fan blades 24 drives the first rotating shaft 23 to rotate, and the rotation of the first rotating shaft 23 drives the screw rod 25 to rotate. The rotation of the screw rod 25 will push the particulate impurities remaining in the filter screen 14 into the receiving trough 26 for collection, and the receiving trough 26 is regularly twisted to remove the particulate impurities inside. Cleaning. If particulate impurities adhere to the gap between the ball 36 and the valve body during the use of the existing ball valve, the friction will increase. The long-term attachment of particulate impurities between the ball 36 and the valve body will affect the air tightness of the ball valve. Therefore, the present invention cleans the particulate impurities in the water, thereby effectively avoiding the friction between the ball 36 and the valve body. When the valve needs to be opened and closed, the turntable 31 is first pressed downward. The pressing downward of the turntable 31 drives the second rotating shaft 32 to move downward. The downward movement of the second rotating shaft 32 drives the first stopper 34 to move downward. The downward movement of the first stopper 34 compresses the first spring 35. During the downward movement of the second rotating shaft 32, the first steel wire rope 38 is driven to The first steel wire rope 38 moves downward, driving the first rubber block 310 to move leftward, the first rubber block 310 moves leftward, driving the telescopic rod 311 to move leftward, the telescopic rod 311 moves leftward, driving the second stopper 312 to move leftward, the second stopper 312 moves leftward to compress the second spring 313, and the first rubber block 310 moves to both sides during the process of pressing the turntable 31 downward, and the first rubber block 310 slides inside the second partition plate 16. The first rubber block 310 slides to both sides without contacting the ball 36, so that the turntable 31 is rotated again to drive the ball 36 to rotate without friction with the first rubber block 310, thereby extending the service life of the valve. During the downward movement, the second steel wire rope 41 is driven to move downward, and the downward movement of the second steel wire rope 41 pulls the second connecting rod 44 to move upward. The upward movement of the second connecting rod 44 drives the third steel wire rope 45 to move upward. The upward movement of the third steel wire rope 45 drives the sliding rod 46 to move inward, and the inward movement of the sliding rod 46 drives the cleaning block 49 to move inward. The inward movement of the cleaning block 49 will compress the third spring 48. During the inward movement of the cleaning block 49, the small thin rods protruding from the inner wall of the cleaning block 49 will clean the particulate impurities inside the small holes of the filter screen 14 into the inside of the filter screen 14, and then the spiral rod 25 rotates to drive the particulate impurities into the receiving trough 26 for collection.

[0035] The above shows and describes the basic principles, main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention. The scope of the present invention is defined by the attached claims and their equivalents.

Claims

1. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve, comprising a valve body (17), a ball (36) rotating in the valve body (17), and a valve stem (317), characterized in that: A first rubber block (310) is slidably disposed inside the valve body (17) and is sealed with the ball (36). The valve stem (317) is in transmission cooperation with the first rubber block (310) through an opening and closing mechanism (3). When the valve stem (317) drives the ball (36) to rotate, the opening and closing mechanism (3) causes the first rubber block (310) to move away from or approach the ball (36). The opening and closing mechanism (3) comprises a first sleeve (33). The side wall of the first sleeve (33) is fixedly connected to the valve body (17). The interior of the first sleeve (33) is rotatably connected to the second rotating shaft (32). The upper end of the second rotating shaft (32) is fixedly connected to the rotating disk (31). The side wall of the second rotating shaft (32) is fixedly connected to the first stopper (34). The lower end of the first stopper (34) is tightly fitted with the first spring (35). A special-shaped groove (315) is disposed inside the second rotating shaft (32). The interior of the special-shaped groove (315) is in contact with the special-shaped block (316). The special-shaped block (316) is connected in a sliding manner, the lower end of the special-shaped block (316) is fixedly connected to the valve stem (317), the lower end of the valve stem (317) is fixedly connected to the sphere (36), a hollow groove (37) is provided inside the sphere (36), the side wall of the second rotating shaft (32) is fixedly connected to the first steel wire rope (38), the side wall of the first steel wire rope (38) is tightly fitted with the rotating pin (39), one end of the rotating pin (39) is rotatably connected to the valve body (17), and the first steel wire rope (38) is fixedly connected to the first steel wire rope (38). One end of the rope (38) is connected to the first rubber block (310); the side wall of the first rubber block (310) is fixedly connected to the telescopic rod (311); the side wall of the telescopic rod (311) is fixedly connected to the second stopper (312); one end of the second stopper (312) is tightly fitted with the second spring (313); one end of the second spring (313) is tightly fitted with the telescopic tube (314); and one end of the telescopic rod (311) is arranged inside the telescopic tube (314).

2. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 1, characterized in that: The invention comprises a filtering mechanism (1), a first cleaning mechanism (2), and a second cleaning mechanism (4); one end of the filtering mechanism (1) is provided with a first cleaning mechanism (2) for collecting particulate impurities; one end of the first cleaning mechanism (2) is provided with an opening and closing mechanism (3); and one side of the opening and closing mechanism (3) is provided with a second cleaning mechanism (4).

3. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 2, characterized in that: The filtering mechanism (1) comprises a first water inlet pipe (11), a side wall of the first water inlet pipe (11) being fixedly connected to a first partition plate (12), a side wall of the first partition plate (12) being fixedly connected to a second water inlet pipe (13), and an inner side wall of the first water inlet pipe (11) being fixedly connected to a filter screen (14).

4. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 3, characterized in that: The filtering mechanism (1) further comprises a third water inlet pipe (15), a side wall of the first water inlet pipe (11) being fixedly connected to the third water inlet pipe (15), one end of the second water inlet pipe (13) being fixedly connected to a second partition plate (16), and one end of the second partition plate (16) being fixedly connected to a valve body (17).

5. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 4, characterized in that: The first cleaning mechanism (2) comprises a first connecting rod (21), one end of the first connecting rod (21) being fixedly connected to the first water inlet pipe (11), and one end of the first connecting rod (21) being fixedly connected to the bearing (22).

6. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 5, characterized in that: The first cleaning mechanism (2) further comprises a first rotating shaft (23), the inner side wall of the bearing (22) is fixedly connected to the first rotating shaft (23), the side wall of the first rotating shaft (23) is fixedly connected to the fan blade (24), the side wall of the first rotating shaft (23) is fixedly connected to the spiral rod (25), and the lower end of the first water inlet pipe (11) is rotatably connected to the material receiving trough (26).

7. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 6, characterized in that: The second cleaning mechanism (4) comprises a second steel wire rope (41), one end of the second steel wire rope (41) is fixedly connected to the second rotating shaft (32), a side wall of the second steel wire rope (41) is tightly fitted with a rotating pin (42), one end of the rotating pin (42) is rotatably connected to the valve body (17), the side wall of the second steel wire rope (41) is slidably connected to a second rubber block (43), the second rubber block (43) is fixedly connected to the first water inlet pipe (11), and the lower end of the second steel wire rope (41) is fixedly connected to a second connecting rod (44).

8. A bidirectional frictionless hard-sealed high-temperature and high-pressure ball valve according to claim 7, characterized in that: The second cleaning mechanism (4) further comprises a third steel wire rope (45), the lower end of the second connecting rod (44) is fixedly connected to the third steel wire rope (45), one end of the third steel wire rope (45) is fixedly connected to a sliding rod (46), the sliding rod (46) is arranged inside a second sleeve (47), the side wall of the second sleeve (47) is fixedly connected to the first water inlet pipe (11), one end of the second sleeve (47) is tightly fitted with a third spring (48), the third spring (48) is arranged inside the sliding rod (46), and one end of the sliding rod (46) is fixedly connected to a cleaning block (49).

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