Pressure adjusting device for propylene evaporator

Abstract

The utility model relates to the technical field of pressure regulation, in particular to a pressure regulating device for a propylene evaporator, which comprises a lower valve body and an upper valve body, the upper valve body is fixedly connected with the lower valve body through a bolt, the upper surface of the upper valve body is fixedly connected with a frame, a regulating mechanism is arranged in the frame, and the regulating mechanism is fixedly connected with the lower valve body through a bolt. The upper valve body and the lower valve body are fixedly connected with the outer wall of the transverse plate, and the lower valve body is in clearance fit with the outer wall of the connector. The handle drives the worm to rotate, the worm drives the worm wheel to rotate, the worm wheel drives the threaded barrel to rotate, the threaded barrel drives the screw to move, the screw drives the supporting plate to move, the supporting plate drives the sliding rod to move, the sliding rod slides in the sleeve, the sleeve and the sliding rod play a role in guiding movement of the supporting plate, the supporting plate drives the vertical rod to slide, and the vertical rod drives the first plug disc to move. The passing amount of propylene in the lower valve body is adjusted through cooperation between the first plug disc and the first plug groove, the pressure adjusting effect is achieved, and during use, pressure adjustment of the propylene evaporator is conveniently achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure regulating technical field, concretely is a pressure regulating device for propylene evaporator. BACKGROUND

[0002] Evaporators are used in the process of propylene processing, and pressure regulating devices are used in the process of evaporators.

[0003] For example, the pressure regulating device for polypropylene evaporator disclosed in patent publication No. CN215387596U includes an upper valve body, a lower valve body is arranged at the bottom of the upper valve body, a fixed block is embedded in the inner part of the upper valve body, a through groove is arranged in the inner part of the fixed block, a recess is arranged in the inner part of the upper valve body, a sealing piston that can slide with the inner wall of the upper valve body is arranged in the inner part of the through groove, a valve body one is fixedly sleeved in the inner part of the sealing piston, and the above-mentioned document still has the following problems: in use, the fixed block is embedded in the inner part of the upper valve body, the through groove with the same diameter as the recess in the inner part of the upper valve body is arranged in the inner part of the fixed block, and the sealing piston that can slide and seal the inner part of the through groove and the recess is arranged in the inner part of the through groove, the sealing piston is used to block the steam, so that the steam cannot corrode the spring one, thereby avoiding the rusting of the spring one and the use of the spring one, and the service life of the spring one is prolonged. However, when the pressure regulating device is used to regulate the pressure of the propylene evaporator, the spring is arranged above the valve body, and when the position of the connecting block is adjusted, only the deformation amount of the spring is adjusted, and the valve body will still be in the position before the pressure regulation under the action of the elastic force of the spring. In use, it is inconvenient to realize the pressure regulation of the propylene evaporator, and when the pressure of the propylene evaporator is regulated, the two ends of the lower valve body of the propylene evaporator need to be connected with the propylene production equipment. The traditional way is to connect through flanges, a large number of bolts need to be rotated, the operation is more troublesome, and it is inconvenient to realize the quick connection of the lower valve body and the connecting pipe. SUMMARY

[0004] The utility model aims at solving the problem that it is inconvenient to realize the pressure regulation of the propylene evaporator, and proposes a pressure regulating device for propylene evaporator.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] The utility model designs a kind of pressure regulating device for propylene evaporator, including lower valve body and upper valve body, the upper valve body is fixedly connected with lower valve body by bolt, the upper surface of the upper valve body is fixedly connected with frame, the inside of the frame is provided with adjusting mechanism, the upper valve body and lower valve body are fixedly connected with the outer wall of cross plate, the lower valve body is clearance fit with the outer wall of connecting head, the connecting head is fixedly connected in one end of connecting pipe, the inside of the lower valve body is provided with quick -wired mechanism, the inner wall of the lower valve body is fixedly connected with fixed plate, the inside of the fixed plate is provided with first plug groove and second plug groove.

[0007] Preferably, the adjusting mechanism includes a worm, the outer wall of both ends of the worm is rotatably connected with the frame by bearings, the end of the worm is fixedly connected with a handle, the worm is meshingly connected with a worm gear, the worm gear is fixedly connected to the outer wall of a threaded cylinder, the outer wall of both ends of the threaded cylinder is rotatably connected with the frame by bearings, the threaded cylinder is internally threadedly connected with a screw rod, the lower end of the screw rod is fixedly connected with a support plate, the upper surface of the support plate is fixedly connected with a slide rod, the outer wall of the slide rod is slidably connected with a sleeve, the upper end of the sleeve is fixedly connected with the frame.

[0008] Preferably, the quick -wired mechanism includes a first spring, the first spring is sleeved on the outer wall of the lower valve body, one end of the first spring is fixedly connected with the lower valve body, the other end of the first spring is fixedly connected with a wedge block, the wedge block is fixedly connected to the inner wall of a cylinder, the cylinder is slidably connected with the outer wall of the lower valve body, the outer wall of the wedge block is in contact with a lock rod, the outer wall of the lock rod is slidably connected with the lower valve body, the end of the lock rod is clamped with a groove provided in the connecting head, the outer wall of the lock rod is sleeved with a second spring, both ends of the second spring are fixedly connected with the lock rod and the lower valve body respectively.

[0009] Preferably, the lower surface of the support plate is fixedly connected with a vertical rod, the outer wall of the vertical rod is slidably connected with the cross plate.

[0010] Preferably, the lower end of the vertical rod is fixedly connected with a first plug disc, the first plug disc is fixedly connected with a second plug disc through a support rod.

[0011] Preferably, the first plug groove and the second plug groove are communicated.

[0012] The utility model provides a pressure regulating device for propylene evaporator has beneficial effect at: through the cooperation between worm, handle, worm wheel, threaded cylinder, screw rod, support board, slide rod and sleeve, handle drives worm rotation, worm drives worm wheel rotation, worm wheel drives threaded cylinder rotation, threaded cylinder drives screw rod movement, screw rod drives support board movement, support board drives slide rod movement, slide rod slides in the inside of sleeve, sleeve and slide rod play the guiding effect to support board movement, support board drives vertical rod sliding, vertical rod drives first plug disc movement, adjust the propylene throughput in lower valve body through the cooperation between first plug disc and first plug groove, realize the effect of pressure regulating, when using, it is convenient for realizing the pressure regulation of propylene evaporator.

[0013] Through the cooperation between first spring, wedge block, cylinder, lock rod and second spring, slide the cylinder to the left side, the cylinder drives wedge block movement, wedge block compresses first spring, wedge block loses the extrusion to lock rod, second spring drives lock rod to slide to the cylinder side under the elasticity, inserts the connecting head into the inside of lower valve body, connecting pipe is pasted to lower valve body, loosen the cylinder, first spring drives wedge block movement under the elasticity, wedge block drives lock rod to slide to the direction of connecting head, the end part of lock rod is inserted into the recess that is arranged in connecting head and fixes the position of connecting head, further implement the connection of lower valve body and connecting pipe, and the operation is relatively simple, and it is convenient to realize the quick connection of lower valve body and connecting pipe. BRIEF DESCRIPTION OF DRAWINGS

[0014] Fig. 1 It is the structure schematic view of the utility model;

[0015] Fig. 2 It is the structure sectional view of the utility model;

[0016] Fig. 3 It is the structure schematic view of the utility model middle horizontal plate and vertical rod junction;

[0017] Fig. 4 It is the structure schematic view of the utility model middle worm, worm wheel and handle junction;

[0018] Fig. 5 It is the structure schematic view of the utility model middle first spring, wedge block and cylinder junction;

[0019] Fig. 6 It is the structure schematic view of the utility model middle slide rod, sleeve and support board junction.

[0020] In the figure: 1, the lower valve body, 2, the upper valve body, 3, the adjusting mechanism, 301, the worm, 302, the handle, 303, the worm wheel, 304, the threaded cylinder, 305, the screw rod, 306, the support plate, 307, the sliding rod, 308, the sleeve, 3a1, the limiting block, 4, the quick connecting mechanism, 401, the first spring, 402, the wedge-shaped block, 403, the cylinder, 404, the locking rod, 405, the second spring, 5, the frame, 6, the cross plate, 7, the fixed plate, 8, the first plug groove, 9, the connecting head, 10, the connecting pipe, 11, the second plug groove, 12, the vertical rod, 13, the first plug disc, 14, the support rod, 15, the second plug disc. DETAILED DESCRIPTION

[0021] The utility model will be further described below in combination with the drawings:

[0022] Example 1:

[0023] Refer to the drawings Figs. 1-6 In this embodiment, a pressure regulating device for propylene evaporator includes a lower valve body 1 and an upper valve body 2, the upper valve body 2 is fixedly connected with the lower valve body 1 through bolts, the upper surface of the upper valve body 2 is fixedly connected with a frame 5, the inside of the frame 5 is provided with an adjusting mechanism 3, the adjusting mechanism 3 regulates pressure, the upper valve body 2 and the lower valve body 1 are fixedly connected with the outer wall of a cross plate 6, the lower valve body 1 is gap matched with the outer wall of a connecting head 9, the connecting head 9 is fixedly connected with one end of a connecting pipe 10, a sealing ring is arranged at the connecting position of the connecting pipe 10 and the lower valve body 1, the end of the connecting pipe 10 on one side is connected with propylene production equipment, and the connecting pipe 10 on the other side is connected with a propylene evaporator.

[0024] The inside of the lower valve body 1 is provided with a quick connecting mechanism 4, the quick connecting mechanism 4 realizes the quick connection of the lower valve body 1 and the connecting pipe 10, the inner wall of the lower valve body 1 is fixedly connected with a fixed plate 7, the inside of the fixed plate 7 is provided with a first plug groove 8 and a second plug groove 11, and the first plug groove 8 and the second plug groove 11 are communicated.

[0025] The adjusting mechanism 3 comprises a worm 301, a handle 302, a worm wheel 303, a threaded cylinder 304, a screw rod 305, a support plate 306, a sliding rod 307 and a sleeve 308, the outer walls of both ends of the worm 301 are rotatably connected with the frame 5 through bearings, the end of the worm 301 is fixedly connected with the handle 302, the handle 302 drives the worm 301 to rotate, the worm 301 is connected with the worm wheel 303 in engagement, the worm 301 drives the worm wheel 303 to rotate, the worm wheel 303 is fixedly connected with the outer wall of the threaded cylinder 304, the worm wheel 303 drives the threaded cylinder 304 to rotate, the outer walls of both ends of the threaded cylinder 304 are rotatably connected with the frame 5 through bearings, the threaded cylinder 304 is internally threadedly connected with the screw rod 305, the threaded cylinder 304 drives the screw rod 305 to move, the lower end of the screw rod 305 is fixedly connected with the support plate 306, the screw rod 305 drives the support plate 306 to move, the upper surface of the support plate 306 is fixedly connected with the sliding rod 307, the support plate 306 drives the sliding rod 307 to move, the outer wall of the sliding rod 307 is slidably connected with the sleeve 308, the sliding rod 307 slides in the sleeve 308, and the upper end of the sleeve 308 is fixedly connected with the frame 5;

[0026] The lower surface of the support plate 306 is fixedly connected with the vertical rod 12, the support plate 306 drives the vertical rod 12 to move, the outer wall of the vertical rod 12 is slidably connected with the horizontal plate 6, the connection between the vertical rod 12 and the horizontal plate 6 is sealed, the lower end of the vertical rod 12 is fixedly connected with the first plug disc 13, the first plug disc 13 cooperates with the first plug groove 8 to plug the inside of the lower valve body 1, the first plug disc 13 is fixedly connected with the second plug disc 15 through the support rod 14, and the second plug disc 15 cooperates with the second plug groove 11 to plug the inside of the lower valve body 1.

[0027] The handle 302 drives the worm 301 to rotate, the worm 301 drives the worm wheel 303 to rotate, the worm wheel 303 drives the threaded cylinder 304 to rotate, the threaded cylinder 304 drives the screw rod 305 to move, the screw rod 305 drives the support plate 306 to move, the support plate 306 drives the sliding rod 307 to move, the sliding rod 307 slides in the sleeve 308, the sleeve 308 and the sliding rod 307 guide the movement of the support plate 306, the support plate 306 drives the vertical rod 12 to slide, the vertical rod 12 drives the first plug disc 13 to move, the propylene flow in the lower valve body 1 is adjusted through the cooperation between the first plug disc 13 and the first plug groove 8, and the pressure regulating effect is realized, and in use, the pressure of the propylene evaporator can be conveniently adjusted.

[0028] The quick connecting mechanism 4 comprises a first spring 401, a wedge block 402, a cylinder 403, a locking rod 404 and a second spring 405. The first spring 401 is sleeved on the outer wall of the lower valve body 1, one end of the first spring 401 is fixedly connected with the lower valve body 1, the other end of the first spring 401 is fixedly connected with the wedge block 402, the wedge block 402 is driven to move by the first spring 401 under the elastic action, the wedge block 402 is fixedly connected with the inner wall of the cylinder 403, the wedge block 402 moves together with the cylinder 403, the cylinder 403 is slidably connected with the outer wall of the lower valve body 1, the outer wall of the wedge block 402 is in abutment with the locking rod 404, the wedge block 402 drives the locking rod 404 to slide, the outer wall of the locking rod 404 is slidably connected with the lower valve body 1;

[0029] The end of the locking rod 404 is clamped with the groove arranged in the connecting head 9, the locking rod 404 is matched with the groove arranged in the connecting head 9 to fix the position of the connecting head 9, the outer wall of the locking rod 404 is sleeved with the second spring 405, the second spring 405 can drive the locking rod 404 to slide under the elastic action, the two ends of the second spring 405 are fixedly connected with the locking rod 404 and the lower valve body 1 respectively, the type of the spring is selected according to the actual use requirement, and the working requirement is met;

[0030] The cylinder 403 on the right side is slid to the left side, the cylinder 403 drives the wedge block 402 to move, the wedge block 402 compresses the first spring 401, the wedge block 402 loses the extrusion on the locking rod 404, the second spring 405 drives the locking rod 404 to slide to the side of the cylinder 403 under the elastic action, the connecting pipe 10 is in abutment with the lower valve body 1, the cylinder 403 is loosened, the first spring 401 drives the wedge block 402 to move under the elastic action, the wedge block 402 drives the locking rod 405 to slide to the direction of the connecting head 9, the end of the locking rod 405 is inserted into the groove arranged in the connecting head 9 to fix the position of the connecting head 9, and then the connection between the lower valve body 1 and the connecting pipe 10 is implemented, the operation is relatively simple, and the quick connection of the lower valve body 1 and the connecting pipe 10 is facilitated.

[0031] Working principle:

[0032] When the propylene evaporator pressure regulating device is used for regulating the pressure of propylene production equipment;

[0033] Quick connecting stage:

[0034] Slide the right cylinder 403 to the left, the cylinder 403 drives the wedge block 402 to move, the wedge block 402 compresses the first spring 401, the wedge block 402 loses the extrusion to the lock rod 404, the second spring 405 drives the lock rod 404 to slide to the side of the cylinder 403 under the action of elasticity, the connecting head 9 is inserted into the inside of the lower valve body 1, the connecting pipe 10 is attached to the lower valve body 1, the cylinder 403 is loosened, the first spring 401 drives the wedge block 402 to move under the action of elasticity, the wedge block 402 drives the lock rod 405 to slide to the direction of the connecting head 9, the end of the lock rod 405 is inserted into the groove arranged in the connecting head 9 to fix the position of the connecting head 9, thereby implementing the connection of the lower valve body 1 and the connecting pipe 10, the other side is connected with another connecting pipe 10 in the same way, the operation is relatively simple, and the quick connection of the lower valve body 1 and the connecting pipe 10 is facilitated, the two connecting pipes 10 are connected with the propylene evaporator and the propylene production equipment respectively, thereby realizing the connection of the propylene evaporator and the propylene production equipment;

[0035] Pressure regulating stage:

[0036] Turn the handle 302, the handle 302 drives the worm 301 to rotate, the worm 301 drives the worm gear 303 to rotate, the worm gear 303 drives the threaded cylinder 304 to rotate, the threaded cylinder 304 drives the screw 305 to move, the screw 305 drives the support plate 306 to move, the support plate 306 drives the slide rod 307 to move, the slide rod 307 slides in the inside of the sleeve 308, the sleeve 308 and the slide rod 307 guide the movement of the support plate 306, the support plate 306 drives the vertical rod 12 to slide, the vertical rod 12 drives the first plug disc 13 to move, the propylene flow rate in the lower valve body 1 is adjusted through the cooperation between the first plug disc 13 and the first plug groove 8, and the pressure regulating effect is realized, in use, the pressure regulation of the propylene evaporator is facilitated, when the first plug disc 13 is damaged, the pressure regulation is realized through the cooperation between the second plug disc 15 and the second plug groove 11.

[0037] Embodiment 2:

[0038] Referring to the accompanying drawings Figs. 1-6 In this embodiment, a pressure regulating device for a propylene evaporator, the adjusting mechanism 3 further comprises a limiting block 3a1, the limiting block 3a1 is fixedly connected to the upper end of the screw 305, and the limiting block 3a1 avoids the screw 305 from being separated from the threaded cylinder 304;

[0039] Through the action of the limiting block 3a1, the limiting block 3a1 is fixedly connected to the upper end of the screw 305, the limiting block 3a1 avoids the screw 305 from being separated from the threaded cylinder 304, and the threaded cylinder 304 can drive the screw 305 to move when rotating.

[0040] Working principle:

[0041] The limiting block 3a1 is fixed to the upper end of the screw rod 305, the limiting block 3a1 avoids the screw rod 305 from being separated from the threaded cylinder 304, so that the threaded cylinder 304 can drive the screw rod 305 to move when rotating.

[0042] Although the utility model has been illustrated and described by referring to the preferred embodiments, it should be appreciated by those skilled in the art that various changes in form and details can be made within the scope of the claims.

Claims

1. A pressure regulating device for propylene evaporator comprising a lower valve body (1) and an upper valve body (2), said upper valve body (2) being fixedly connected to the lower valve body (1) by means of bolts, characterized in that: The upper surface of the upper valve body (2) is fixedly connected with a frame (5), the inside of the frame (5) is provided with an adjusting mechanism (3), the upper valve body (2) and the lower valve body (1) are fixedly connected with the outer wall of a cross plate (6), the lower valve body (1) is in clearance fit with the outer wall of a connecting head (9), the connecting head (9) is fixedly connected with one end of a connecting pipe (10), the inside of the lower valve body (1) is provided with a quick connecting mechanism (4), the inner wall of the lower valve body (1) is fixedly connected with a fixed plate (7), the inside of the fixed plate (7) is provided with a first plug groove (8) and a second plug groove (11).

2. A pressure regulating device for a propylene vaporiser according to claim 1, characterised in that: The adjusting mechanism (3) comprises a worm (301), the outer walls of the two ends of the worm (301) are rotatably connected with the frame (5) through bearings, the end of the worm (301) is fixedly connected with a handle (302), the worm (301) is meshingly connected with a worm wheel (303), the worm wheel (303) is fixedly connected with the outer wall of a threaded cylinder (304), the outer walls of the upper and lower ends of the threaded cylinder (304) are rotatably connected with the frame (5) through bearings, the inside of the threaded cylinder (304) is threadedly connected with a screw rod (305), the lower end of the screw rod (305) is fixedly connected with a support plate (306), the upper surface of the support plate (306) is fixedly connected with a sliding rod (307), the outer wall of the sliding rod (307) is slidably connected with a sleeve (308), and the upper end of the sleeve (308) is fixedly connected with the frame (5).

3. A pressure regulating device for a propylene vaporizer according to claim 1, characterized in that: The quick connecting mechanism (4) comprises a first spring (401), the first spring (401) is sleeved on the outer wall of the lower valve body (1), one end of the first spring (401) is fixedly connected with the lower valve body (1), the other end of the first spring (401) is fixedly connected with a wedge-shaped block (402), the wedge-shaped block (402) is fixedly connected with the inner wall of a cylinder (403), the cylinder (403) is slidably connected with the outer wall of the lower valve body (1), the outer wall of the wedge-shaped block (402) is attached to a locking rod (404), the outer wall of the locking rod (404) is slidably connected with the lower valve body (1), the end of the locking rod (404) is clamped in a groove arranged in the connecting head (9), and the outer wall of the locking rod (404) is sleeved with a second spring (405), and the two ends of the second spring (405) are fixedly connected with the locking rod (404) and the lower valve body (1) respectively.

4. A pressure regulating device for a propylene vaporiser according to claim 2, characterised in that: The lower surface of the support plate (306) is fixedly connected with a vertical rod (12), and the outer wall of the vertical rod (12) is slidably connected with the cross plate (6).

5. A pressure regulating device for a propylene vaporiser according to claim 4, characterised in that: The lower end of the vertical rod (12) is fixedly connected with a first plug disc (13), and the first plug disc (13) is fixedly connected with a second plug disc (15) through a support rod (14).

6. A pressure regulating device for a propylene vaporizer according to claim 1, characterized in that: The first plug groove (8) and the second plug groove (11) are connected in communication.

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