CN215540742U

CN215540742U - Self-pressure-relief reaction kettle

Info

Publication number: CN215540742U
Application number: CN202120927386.6U
Authority: CN
Inventors: 陈淼
Original assignee: Zhejiang Kentle Textile Sci & Tech Co ltd
Current assignee: Zhejiang Kentle Textile Sci & Tech Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2022-01-18
Anticipated expiration: 2031-04-30

Abstract

The utility model relates to the field of reaction kettles and discloses a self-pressure-relief reaction kettle which comprises a barrel, an upper sealing cover connected on the barrel and a pressure relief assembly positioned on the upper sealing cover, wherein the pressure relief assembly comprises a piston sleeve, a piston rod connected in the piston sleeve in a sliding manner, an air bag positioned at one end of the piston sleeve, a pull rod connected with a fixed piston rod and a pressure relief valve matched with the pull rod, the air bag is positioned in the barrel, one end of the air bag is connected with one end of the piston sleeve, the pressure relief valve comprises a valve body and a sealing ball positioned in the valve body, the valve body is provided with a first valve port communicated with the inside of the barrel and a second valve port communicated with the outside of the barrel, when the sealing ball is abutted against the second valve port, the pressure relief valve is in a sealed state, the pull rod is connected with the ejector rod, the ejector rod is located in the valve port I, the air bag is extruded to drive the piston rod to move, the piston rod drives the pull rod to be fixed, and the pull rod moves to drive the ejector rod to enable the sealing ball to be ejected away from the valve port to form pressure relief.

Description

Self-pressure-relief reaction kettle

Technical Field

The utility model relates to the field of reaction kettles, in particular to a self-pressure-relief reaction kettle.

Background

The reation kettle generally is as physics or chemical reaction's container, reation kettle has low fast-speed thoughtlessly join in marriage the function at work, the heating, evaporation and refrigerated function, reation kettle is when carrying out heat treatment, atmospheric pressure meeting grow in the reation kettle, should not be too high in order to guarantee the atmospheric pressure in the reation kettle, be provided with the electron pressure relief valve on lieing in reation kettle, electron pressure relief valve on the present market adopts electronic components, the auxiliary agent of processing in reation kettle is different respectively, cause certain influence to electronic components, thereby cause and have certain error.

SUMMERY OF THE UTILITY MODEL

Aiming at the defect that electronic components on a reaction kettle in the prior art are easily affected by auxiliaries, the utility model provides a self-pressure-relief reaction kettle.

In order to solve the technical problem, the utility model is solved by the following technical scheme: the utility model provides a from pressure release reation kettle, which comprises a cylindrical shel, connect the last closing cap on the barrel and be located the release subassembly on the closing cap, the release subassembly includes the piston bush, sliding connection is in the piston bush piston rod, be located the gasbag of piston bush one end, pull rod and the pressure relief valve with pull rod complex that link to each other with fixed piston rod, the gasbag is located the barrel, gasbag one end links to each other with piston bush one end, the pressure relief valve includes the valve body and is located the seal ball of valve body, set up on the valve body with communicating valve port one in the barrel and with communicating valve port two outside the barrel, when seal ball and the butt of valve port two, the pressure relief valve is encapsulated situation, be connected with the ejector pin on the pull rod, the ejector pin is located valve port one, the gasbag receives the extrusion and orders about the piston rod removal, the piston rod drives the pull rod certain, the pull rod orders about to remove the ejector pin will seal ball top from valve port two formation release.

By adopting the scheme, when the air pressure in the cylinder body is increased, the air in the air bag is extruded, the piston rod moves in the direction away from the cylinder body, so that the pull rod is driven to move, the pull rod drives the ejector rod to move, the ejector rod moves to drive the ejector rod to move towards the sealing ball, the ejector rod can drive the sealing ball to be separated from the second valve port, and the high pressure and the low pressure in the reaction kettle are discharged out of the cylinder body through the pressure relief groove and the second valve port, so that the pressure relief is completed.

Preferably, the piston sleeve comprises a large diameter positioned in the cylinder body and a small diameter extending out of the cylinder body, a protection piece is sleeved on the large diameter of the piston sleeve, the air bag is connected with one end of the large diameter of the piston sleeve, the air bag is positioned in the protection piece, and a vent hole is formed in the protection piece.

Adopt above-mentioned scheme, be located and offer the air vent of being convenient for circulation of air on the protection piece to guarantee that the atmospheric pressure in the protection piece is unanimous with the atmospheric pressure in the barrel.

Preferably, the upper sealing cover is externally connected with a fixing frame, one end of the piston rod, which is positioned outside the cylinder body, is connected with one end of the pull rod, which is positioned outside the cylinder body, through a transverse plate, the pull rod is connected to the fixing frame in a sliding manner, and the piston sleeve is fixedly connected with the fixing frame.

By adopting the scheme, the fixing frame can play a role of fixing the piston sleeve and can also be used for guiding the pull rod during moving.

As preferred, the cover is equipped with spring one on the pull rod, lies in the mount on the pull rod towards pressure relief valve one side fixedly connected with stationary blade, the both ends of spring one respectively with stationary blade and mount butt.

By adopting the scheme, the first spring is used for driving the transverse plate to move through the piston rod, so that the pull rod is driven to move, the pull rod drives the fixing piece to move, the first spring is in a compression state, when the force exerted on the piston rod disappears, the compression potential energy of the first spring is released, the pull rod is driven to reset again, and the pull rod resets to drive the transverse plate and the piston rod to reset.

Preferably, the pull rod is provided with a threaded section, the fixing piece is in threaded connection with the threaded section, and the distance between the fixing piece and the fixing frame can be adjusted by rotating the fixing piece.

By adopting the scheme, the distance between the fixing piece and the fixing frame is adjusted, so that the compression force of the first spring is adjusted,

preferably, one end, far away from the air bag, of the piston rod is connected with a first positioning sleeve in a threaded mode, the outer side face of the first positioning sleeve is connected with the transverse plate in a threaded mode, and the initial distance between the transverse plate and the fixing frame can be adjusted by rotating the first positioning sleeve.

By adopting the scheme, the first positioning sleeve is rotated relative to the transverse plate, the distance from the large diameter of the first positioning sleeve to the transverse plate can be adjusted, and therefore the initial distance between the transverse plate and the fixing frame can be adjusted by rotating the first positioning sleeve.

Preferably, the fixed frame is connected with a resisting block which is in butt joint with the transverse plate.

By adopting the scheme, the supporting block and the lowest position used for limiting the transverse plate are adopted, and when the transverse plate is at the lowest position, the supporting block has supporting performance relative to the transverse plate.

Preferably, the valve body comprises a first inner tube and a second inner tube which is ninety degrees to the first inner tube, the inner diameter of the second inner tube is larger than that of the first inner tube, the sealing ball can slide along the second inner tube, the first valve port is arranged at one end of the first inner tube, which is positioned in the cylinder, the second valve port is arranged at one end of the second inner tube, a second spring is arranged in the second inner tube in a penetrating manner, one end of the second spring is abutted to the sealing ball, and the second spring orders the sealing ball to move towards the second valve port all the time.

By adopting the scheme, the second spring has the effect of driving the sealing ball to block the second valve port, when the ejector rod moves towards the direction of the sealing ball, the ejector rod can drive the sealing ball to be separated from the second valve port, the second spring is in a compressed state, and when the ejector rod retracts, the elastic potential energy of the second spring is released to drive the sealing ball to be sealed with the second valve port again.

As preferred, keep away from diaphragm one end on the pull rod and be connected with the connecting plate, the connecting plate is located the barrel, is connected with two ejector pins on the connecting plate, and two ejector pins are located the pull rod both sides respectively, respectively cooperate a pressure relief valve on two ejector pins.

By adopting the scheme, the two ejector rods have better stability when pulling the pull rod.

Preferably, the transverse plate is connected with two pull rods, the two pull rods are respectively positioned at two sides of the positioning sleeve, and the two pull rods are both matched and connected with two ejector rods.

By adopting the scheme, the two pull rods have better stability.

Due to the adoption of the technical scheme, the utility model has the remarkable technical effects that: when the air pressure in the barrel is increased, the air in the air bag is extruded, the piston rod moves in the direction away from the protection part, so that the transverse plate is pushed to move, the transverse plate moves to drive the pull rod to move, the pull rod drives the ejector rod to move through the connecting plate, the ejector rod moves to drive the ejector rod to move towards the direction of the sealing ball, the ejector rod can drive the sealing ball to be separated from the second valve port, the high pressure and the low pressure in the reaction kettle are discharged out of the barrel through the pressure relief groove and the second valve port, the pressure relief is completed, and after the pressure relief is completed, the moving part is driven to reset through the first spring and the second spring.

Drawings

FIG. 1 is a schematic view of the overall structure of a self-pressuring-discharging reaction vessel;

FIG. 2 is an assembled cross-sectional view of a pressure relief assembly in a pressure relief reactor;

fig. 3 is a schematic structural view of the jack.

The names of the parts indicated by the numerical references in the above figures are as follows: 1. a barrel; 2. an upper sealing cover; 3. a piston sleeve; 4. a piston rod; 5. an air bag; 6. a pull rod; 7. a pressure relief valve; 8. a guard; 9. a vent hole; 10. a piston bore; 11. a limiting section; 12. a first connecting section; 13. a piston section; 14. a second connecting section; 15. a second positioning sleeve; 16. a fixed mount; 17. a first positioning sleeve; 18. a transverse plate; 19. a resisting block; 20. a threaded segment; 21. a first spring; 22. a sealing ball; 23. a first inner pipe; 24. a second inner tube; 25. a first valve port; 26. a second valve port; 27. a second spring; 28. a plug; 29. a connecting plate; 30. a pressure relief groove; 31. a top rod; 32. a slope surface; 33. a sheet is fixed.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example (b):

a self-pressure-discharging reaction kettle firstly refers to a figure 1 and a figure 2 and comprises a cylinder body 1 and a pressure-discharging assembly connected to an upper sealing cover 2 on the cylinder body 1, wherein the pressure-discharging assembly comprises a piston sleeve 3 fixed on the upper sealing cover 2, a piston rod 4 connected in the piston sleeve 3 in a sliding manner, an air bag 5 positioned at one end of the piston sleeve 3, a pull rod 6 connected with the fixed piston rod 4 and a pressure-discharging valve 7 matched with the pull rod 6.

Referring to fig. 1 and 2, the outer diameter of the piston sleeve 3 is in a step shape and includes a major diameter and a minor diameter smaller than the major diameter, a through hole for passing the piston sleeve 3 and the pull rod 6 is formed on the upper sealing cap 2, the major diameter of the piston sleeve 3 is located in the cylinder 1, the minor diameter of the piston sleeve 3 passes through the through hole and then is located outside the cylinder 1, one side of the upper sealing cap 2 facing the inner wall of the cylinder 1 is connected with a protection member 8 through a screw thread, the protection member 8 is in a hemispherical shape, the airbag 5 is provided with an opening, the opening of the airbag 5 is sleeved at one end of the major diameter of the piston sleeve 3, a sinking groove for clamping the major diameter of the piston sleeve 3 is formed on the inner side of the protection member 8, the airbag 5 is pressed at one end of the major diameter of the piston sleeve 3 through the groove, a vent hole 9 for facilitating air circulation is formed on the protection member 8, thereby ensuring that the air pressure in the protection member 8 is consistent with the air pressure in the cylinder 1, a piston hole 10 for sliding connection of the piston rod 4 is formed in the piston sleeve 3 along the axis, piston hole 10 is located gasbag 5 a bit, piston rod 4 includes the spacing section 11 that the diameter is greater than piston hole 10 in proper order, the diameter is less than the linkage segment one 12 of piston hole 10, form sealed piston section 13 and the linkage segment two 14 that the diameter equals with linkage segment one 12 with piston hole 10 inner wall butt, spacing section 11 is located gasbag 5, big footpath one end is kept away from to its path of piston cover 3 is connected with and connects two 15 of position sleeve, two 15 holes of position sleeve are the echelonment and include big footpath and path, the major diameter portion of two 15 holes of position sleeve and the lateral surface threaded connection of 3 footpath one ends of piston sleeve, the path part of two 15 holes of position sleeve is used for wearing to establish linkage segment two 14 of piston rod 4.

Referring to fig. 1 and 2, the outer side surface of the upper sealing cover 2 is connected with a fixed frame 16 through screw threads, the fixed frame 16 is in a hollow door frame shape, a second positioning sleeve 15 is clamped with the fixed frame 16, the pull rod 6 is connected to the fixed frame 16 in a sliding manner, the fixed frame 16 can play a role of fixing the piston sleeve 3 and can also be used for guiding the pull rod 6 during movement, the piston rod 4 is connected with a first positioning sleeve 17 through screw threads after passing through the second positioning sleeve 15, the outer side surface of the first positioning sleeve 17 is in a step shape and comprises a large diameter and a small diameter, the small diameter of the first positioning sleeve 17 and one end of the pull rod 6 are simultaneously connected with a transverse plate 18, the small diameter of the first positioning sleeve 17 is in threaded connection with the transverse plate 18, the large diameter of the first positioning sleeve 17 can be used for limiting excessive movement of the first positioning sleeve 17 and the transverse plate 18, the first positioning sleeve 17 is rotated relative to the transverse plate 18, the distance between the large diameter of the first positioning sleeve 17 and the transverse plate 18 can be adjusted, so that the initial distance between the transverse plate 18 and the fixed frame 16 can be adjusted by rotating the first positioning sleeve 17, the transverse plate 18 is positioned on one side of the fixed frame 16 far away from the upper sealing cover 2, the fixed frame 16 is connected with a resisting block 19 through screw threads, the resisting block 19 is abutted against the transverse plate 18, the resisting block 19 and the lowest position for limiting the transverse plate 18 are arranged, when the transverse plate 18 is at the lowest position, the resisting block 19 has support performance relative to the transverse plate 18, one end of the pull rod 6 is connected with the transverse plate 18 through screw threads, a sliding hole for sliding the pull rod 6 is formed in the fixed frame 16, the transverse plate 18 is connected with two pull rods 6 through screw threads, the two pull rods 6 are respectively positioned on two sides of the positioning sleeve I17, a threaded section 20 is arranged on the pull rod 6 and positioned between the fixed plate and the upper sealing cover 2, the threaded section 20 is in threaded connection with a fixed plate 33, a spring I21 is sleeved on the pull rod 6, two ends of the spring I21 are respectively abutted against the fixed plate 33 and the fixed frame 16, and the distance between the fixed plate 33 and the fixed frame 16 can be adjusted by rotating the fixed plate 33, therefore, the compression force of the first spring 21 is adjusted, the first spring 21 has the effect that the piston rod 4 drives the transverse plate 18 to move so as to drive the pull rod 6 to move, the pull rod 6 drives the fixing piece 33 to move, the first spring 21 is in a compression state, when the force applied to the piston rod 4 disappears, the compression potential energy of the first spring 21 is released, the pull rod 6 is driven to reset again, and the pull rod 6 resets to drive the transverse plate 18 and the piston rod 4 to reset.

Referring to fig. 1 and 2, the pressure relief valve 7 comprises a valve body and a sealing ball 22 located in the valve body, the valve body comprises a first inner tube 23 and a second inner tube 24 which is ninety degrees from the first inner tube 23, the first inner tube 23 is perpendicular to the upper sealing cover 2, the outer side surface of the first inner tube 23 is in threaded connection with the upper sealing cover 2, a part of the first inner tube 23 is located in the cylinder 1, a first valve port 25 is formed at one end of the first inner tube 23 located in the cylinder 1, a second valve port 26 is formed at one end of the second inner tube 24, the second valve port 26 is communicated with the outside of the cylinder 1, the first inner tube 23 and the second inner tube 24 are communicated, a plug 28 is in threaded connection with one end of the second inner tube 24, which is far away from the second valve port 26, a second spring 27 penetrates through the inner tube 24, two ends of the second spring 27 are respectively abutted against the sealing ball 22 and the plug 28, the second spring 27 drives the sealing ball 22 to always move towards the second valve port 26, one end of the cross plate 18 is connected with a connecting plate 29 through a screw thread, the connecting plate 29 is located in the cylinder 1, the connecting plate 29 is connected with two ejector rods 31, the two ejector rods 31 are located on two sides of the pull rod 6 respectively, the two ejector rods 31 are respectively matched with a pressure relief valve 7, the two pull rods 6 are connected with the two ejector rods 31 in a matching mode, the ejector rods 31 extend into the first valve port 25, with reference to fig. 3, pressure relief grooves 30 are formed in the side faces of the ejector rods 31 along the axial direction, one end, far away from the connecting plate 29, of each ejector rod 31 is in a slope 32 shape, the slope 32 of each ejector rod 31 faces the direction of the plug 28, one end, provided with a slope 32, of each ejector rod 31 is abutted to one end, facing the second valve port 26, of each sealing ball 22, when the ejector rods 31 move towards the sealing ball 22, the sealing balls 22 can be separated from the second valve ports 26 through the ejector rods 31, the second springs 27 are in a compression state, when the ejector rods 31 retract, elastic potential energy of the second springs 27 is released, and the sealing balls 22 are driven to be sealed with the second valve ports 26 again.

When the air pressure in the cylinder 1 is increased, the air in the air bag 5 is squeezed, the piston rod 4 moves away from the protection part 8, so that the transverse plate 18 is pushed to move, the transverse plate 18 moves to drive the pull rod 6 to move, the pull rod 6 drives the ejector rod 31 to move through the connecting plate 29, the ejector rod 31 moves to drive the ejector rod 31 to move towards the sealing ball 22, the ejector rod 31 can drive the sealing ball 22 to be separated from the second valve port 26, the high pressure and the low pressure in the reaction kettle are discharged out of the cylinder 1 through the pressure relief groove 30 and the second valve port 26, so that pressure relief is completed, and after the pressure relief is completed, the moving part is driven to reset through the first spring 21 and the second spring 27.

Claims

1. A self-pressure-relief reaction kettle comprises a cylinder body (1), an upper sealing cover (2) connected to the cylinder body (1) and a pressure relief assembly positioned on the upper sealing cover (2), and is characterized in that the pressure relief assembly comprises a piston sleeve (3), a piston rod (4) connected in the piston sleeve (3) in a sliding manner, an air bag (5) positioned at one end of the piston sleeve (3), a pull rod (6) connected with the fixed piston rod (4) and a pressure relief valve (7) matched with the pull rod (6), the air bag (5) is positioned in the cylinder body (1), one end of the air bag (5) is connected with one end of the piston sleeve (3), the pressure relief valve (7) comprises a valve body and a sealing ball (22) positioned in the valve body, the valve body is provided with a first valve port (25) communicated with the inside of the cylinder body (1) and a second valve port (26) communicated with the outside of the cylinder body (1), when the sealing ball (22) is abutted against the second valve port (26), the pressure relief valve (7) is in a sealing state, the pull rod (6) is connected with an ejector rod (31), the ejector rod (31) is located in the first valve port (25), the air bag (5) is extruded to drive the piston rod (4) to move, the piston rod (4) drives the pull rod (6) to be fixed, and the pull rod (6) moves to drive the ejector rod (31) to eject the sealing ball (22) from the second valve port (26) to release pressure.

2. The self-pressure-relief reaction kettle according to claim 1, wherein the piston sleeve (3) comprises a large diameter positioned in the cylinder (1) and a small diameter extending out of the cylinder (1), a protection member (8) is sleeved on the large diameter of the piston sleeve (3), the air bag (5) is connected with one end of the large diameter of the piston sleeve (3), the air bag (5) is positioned in the protection member (8), and the protection member (8) is provided with a vent hole (9).

3. The self-pressure-relief reaction kettle according to claim 1, wherein a fixing frame (16) is connected outside the upper sealing cover (2), one end of the piston rod (4) located outside the cylinder (1) is connected with one end of the pull rod (6) located outside the cylinder (1) through a transverse plate (18), the pull rod (6) is slidably connected to the fixing frame (16), and the piston sleeve (3) is fixedly connected with the fixing frame (16).

4. The self-pressure-relief reaction kettle according to claim 3, wherein a first spring (21) is sleeved on the pull rod (6), a fixing piece (33) is fixedly connected to one side, facing the pressure relief valve (7), of the fixing frame (16) on the pull rod (6), and two ends of the first spring (21) are respectively abutted to the fixing piece (33) and the fixing frame (16).

5. The self-pressure-relief reaction kettle according to claim 4, wherein the pull rod (6) is provided with a threaded section (20), the fixing piece (33) is in threaded connection with the threaded section (20), and the distance between the fixing piece (33) and the fixing frame (16) can be adjusted by rotating the fixing piece (33).

6. The self-pressure-relief reaction kettle according to claim 3, wherein one end of the piston rod (4) far away from the air bag (5) is in threaded connection with a first positioning sleeve (17), the outer side surface of the first positioning sleeve (17) is in threaded connection with the transverse plate (18), and the initial distance between the transverse plate (18) and the fixing frame (16) can be adjusted by rotating the first positioning sleeve (17).

7. The self-pressure-relief reaction kettle according to claim 3, wherein the fixing frame (16) is connected with a resisting block (19), and the resisting block (19) is abutted against the transverse plate (18).

8. The self-pressure-relief reaction kettle according to claim 1, wherein the valve body comprises a first inner tube (23) and a second inner tube (24) which is ninety degrees from the first inner tube (23), the inner diameter of the second inner tube (24) is larger than that of the first inner tube (23), the sealing ball (22) can slide along the second inner tube (24), the first valve port (25) is arranged at one end of the first inner tube (23) which is located in the barrel (1), the second valve port (26) is arranged at one end of the second inner tube (24), a second spring (27) penetrates through the second inner tube (24), one end of the second spring (27) is abutted against the sealing ball (22), and the second spring (27) drives the sealing ball (22) to move towards the second valve port (26) all the time.

9. The self-pressure-relief reaction kettle according to claim 1, wherein one end of the pull rod (6) far away from the transverse plate (18) is connected with a connecting plate (29), the connecting plate (29) is positioned in the barrel (1), the connecting plate (29) is connected with two ejector rods (31), the two ejector rods (31) are respectively positioned at two sides of the pull rod (6), and the two ejector rods (31) are respectively matched with a pressure relief valve (7).

10. The self-pressure-relief reaction kettle according to claim 9, wherein the transverse plate (18) is connected with two pull rods (6), the two pull rods (6) are respectively located at two sides of the first positioning sleeve (17), and the two pull rods (6) are respectively connected with two ejector rods (31) in a matching manner.