CN217538673U

CN217538673U - Natural gas exploitation degritting water trap

Info

Publication number: CN217538673U
Application number: CN202220964068.1U
Authority: CN
Inventors: 赫文昊; 乔向阳; 和向楠; 魏虎; 王凯; 袁芳政; 李涛; 侯玢池
Original assignee: Shaanxi Yanchang Petroleum Group Co Ltd
Current assignee: Shaanxi Yanchang Petroleum Group Co Ltd
Priority date: 2022-04-25
Filing date: 2022-04-25
Publication date: 2022-10-04
Anticipated expiration: 2032-04-25

Abstract

The utility model relates to a natural gas exploitation technical field specifically is a natural gas exploitation degritting water trap. The utility model provides a pair of natural gas exploitation degritting water trap, carry including protecting sheathing, protective cover board, air intake pump, apron and draw mechanism, degritting mechanism, collection gas fill, air duct, air guide branch pipe, water layer, oil reservoir and aspiration pump. The utility model provides a natural gas exploitation degritting dewatering device, through the cooperation setting of apron lifting mechanism and protective cover plate, can take out the degritting mechanism by the portable to conveniently take out the grit etc. in the sand removal section of thick bamboo, and conveniently overhaul the degritting mechanism; due to the arrangement of the vibration anti-blocking structure, the problem that the natural gas exploitation efficiency is influenced because meshes of a filter screen of the desanding cylinder are blocked by gravels is avoided.

Description

Natural gas exploitation degritting water trap

Technical Field

The utility model relates to a natural gas exploitation technical field specifically is a natural gas exploitation degritting water trap.

Background

When a natural gas well is produced, part of fracturing propping agent flows back into a well barrel due to large production pressure difference. Once the erosion time is accumulated to be too long, the wall surface of the gathering and transportation equipment is seriously abraded by erosion and can not reach the strength required by work, so that accidents occur, the gathering and transportation equipment is seriously and directly flushed through, and complicated accidents such as natural gas leakage, casualties and the like are caused.

The existing natural gas exploitation desanding and dewatering device usually adopts a filter screen to filter and separate solid particles such as a propping agent in natural gas, the propping agent is easily clamped in meshes of the filter screen, and the filtering efficiency of the natural gas is easily influenced for a long time.

SUMMERY OF THE UTILITY MODEL

To the above situation, for remedying above-mentioned current defect, the utility model provides a can effectively avoid solid particles such as proppant in the natural gas to block up the filter screen mesh, and the natural gas exploitation degritting water trap of the periodic cleaning proppant of being convenient for.

The utility model provides a following technical scheme:

the utility model provides a natural gas exploitation degritting dewatering device, including protective housing, protective cover plate, air inlet pump, apron pulling mechanism, desanding mechanism, gas collecting hopper, air duct, air guide branch pipe, water layer, oil layer and aspiration pump, water layer and oil layer locate the protective housing lower part, the oil layer is located the water layer top, be equipped with drain pipe and inlet pipe on the lateral wall of protective housing lower part, drain pipe and water layer intercommunication, inlet pipe and oil layer intercommunication, all be equipped with the control flap on drain pipe and the inlet pipe, the aspiration pump is located protective housing middle part lateral wall, be equipped with into pipe and exit tube on the aspiration pump, it runs through protective housing lateral wall and locates in the protective housing to advance the pipe, it is located the oil layer top to advance the pipe, the exit tube is located protective housing, set up on the protective housing roof and carry out the groove, the cover plate lifting mechanism is arranged on the top wall of the protective shell, the protective cover plate is arranged on the cover plate lifting mechanism, the protective cover plate is arranged corresponding to the lifting groove, an air inlet pipe is fixedly arranged on the protective cover plate and comprises an air inlet pipe I and an air inlet pipe II, the air inlet pipe I is arranged on the protective cover plate, a corrugated pipe is arranged between the air inlet pipe I and the air inlet pipe II, the desanding mechanism is arranged on the lower surface of the protective cover plate and is connected with the air inlet pipe II, the air inlet pump is arranged on the protective shell and is provided with an input air pipe, the input air pipe is connected with the air inlet pipe I through an air pipe connector, the air collecting hopper is arranged in the protective shell, the air collecting hopper is positioned below the desanding mechanism, the air guide pipe is arranged in the protective shell and is communicated with the air collecting hopper, the air guide pipe is arranged in the protective shell and is communicated with the air guide branch pipe, the lower ends of the air guide branch pipes penetrate through the oil layer and extend into the water layer.

For guaranteeing high-efficient desanding effect, desanding mechanism is including supporting the montant, supporting the diaphragm, shaking anti-blocking structure, fixed subassembly and desanding section of thick bamboo, the lower surface of protective cover is located to the support montant, it is equipped with two sets ofly to support the montant, it locates two sets of support montant lower extremes to support the diaphragm, shaking anti-blocking structure is located on supporting the diaphragm, fixed subassembly is located and shakes anti-blocking structurally, desanding section of thick bamboo is arranged in on the fixed subassembly, desanding section of thick bamboo is last to be equipped with the connecting cylinder, be equipped with the internal thread in the connecting cylinder, be equipped with the external screw thread on the intake pipe two, the intake pipe two crosses threaded connection and locates in the connecting cylinder, intake pipe two extends to in the desanding section of thick bamboo.

Furthermore, the sand removing cylinder comprises a sand containing cylinder part and a sand filtering cylinder part, the sand filtering cylinder part is arranged at the upper end of the Cheng Shatong part, the sand containing cylinder part is of a cylindrical structure with an open upper end, the sand filtering cylinder part is of a circular truncated cone-shaped structure, the side wall of the sand filtering cylinder part is a filter screen, and the connecting cylinder is arranged on the sand filtering cylinder part.

For avoiding filtering the filter screen of sand section of thick bamboo portion to be blockked up by the grit, vibrations anti-blocking structure includes supporting component, vibrations case, shock dynamo, driving belt and vibrations subassembly, supporting component and vibrations case are all located on the support diaphragm, the supporting component is equipped with two sets ofly about vibrations case symmetry, shock dynamo locates in the vibrations case, the vibrations incasement is located to the vibrations subassembly, the vibrations subassembly symmetry is equipped with two sets ofly, shock dynamo passes through driving belt and links to each other with shock subassembly.

Further, the supporting component comprises a supporting sleeve, a supporting slide rod and a supporting spring, the supporting sleeve is arranged on the supporting transverse plate, the supporting slide rod is arranged in the supporting sleeve in a sliding mode, the supporting sleeve and the supporting slide rod are sleeved with the supporting spring, and two ends of the supporting spring are arranged on the fixing component and the supporting transverse plate respectively.

Further, the vibrations subassembly includes vibrations drive shaft, driving-disc, connecting rod one, connecting rod two and push pedal, the vibrations drive shaft rotates and locates on the vibrations incasement lateral wall, all fix on vibrations drive shaft and shock dynamo's the output shaft and be equipped with the belt pulley, the driving belt cover is located on the belt pulley, the driving-disc is located in the vibrations drive shaft, the eccentric articulated driving-disc of locating of one end of connecting rod one, two one ends of connecting rod are connected with the other end of connecting rod one is articulated, two slides of connecting rod are located on the vibrations case, the push pedal is located on the connecting rod two.

For realizing the stable fixed of a sand removing section of thick bamboo, fixed subassembly is including fixed case, driving motor, initiative cone pulley, driven cone pulley, drive shaft and splint, support slide bar upper end is located to fixed case, supporting spring links to each other with fixed case lower surface, fixed case is located vibrations subassembly top, driving motor locates on the fixed case diapire, the initiative cone pulley is located on driving motor's the output shaft, the drive shaft rotates and locates fixed incasement, the drive shaft both ends symmetry is equipped with two sets of screw thread groups opposite in direction, the drive shaft middle part is located to the driven cone pulley, driven cone pulley and initiative cone pulley meshing, the splint symmetry is equipped with two sets ofly, two sets of on the screw thread group at drive shaft both ends is located through threaded connection respectively to splint, be equipped with the spout on the fixed roof wall, splint slide and locate in the spout, a sand removing section of thick bamboo is located between two sets of splint.

The cover plate lifting mechanism comprises a support frame and a lifting cylinder, the support frame is arranged on the protective shell, the lifting cylinder is arranged on the support frame, and the lifting cylinder is connected with the protective cover plate.

Preferably, a sealing gasket is arranged on the side wall of the lift-out groove to improve the sealing performance of the joint of the protective cover plate and the lift-out groove.

Adopt above-mentioned structure the utility model discloses the beneficial effect who gains as follows:

the utility model provides a natural gas exploitation desanding and dewatering device, through the matching arrangement of the cover plate lifting mechanism and the protective cover plate, the desanding mechanism can be conveniently taken out, so that sand stones and the like in a desanding cylinder can be conveniently taken out, and the desanding mechanism can be conveniently maintained; due to the arrangement of the vibration anti-blocking structure, the problem that the natural gas exploitation efficiency is influenced because meshes of a filter screen of the desanding cylinder are blocked by gravels is avoided.

Drawings

Fig. 1 is the utility model provides a natural gas exploitation desanding and dewatering device's overall structure schematic diagram.

Fig. 2 is the utility model provides a desanding mechanism's of natural gas exploitation desanding water trap structural schematic.

Reference numerals: 1. a protective housing; 2. a protective cover plate; 3. an intake pump; 4. a cover plate lifting mechanism; 5. a sand removing mechanism; 6. a gas collecting hopper; 7. an air duct; 8. an air guide branch pipe; 9. a water layer; 10. an oil layer; 11. an air pump; 12. a drain pipe; 13. an oil inlet pipe; 14. a pull-out slot; 15. a first air inlet pipe; 16. a second air inlet pipe; 17. a bellows; 18. inputting the air pipe; 19. supporting the vertical rod; 20. supporting the transverse plate; 21. a sand removal cylinder; 22. a connecting cylinder; 23. a vibration box; 24. vibrating a motor; 25. a drive belt; 26. a support sleeve; 27. supporting the sliding rod; 28. a support spring; 29. vibrating the drive shaft; 30. a drive plate; 31. a first connecting rod; 32. a second connecting rod; 33. pushing the plate; 34. a fixed box; 35. a drive motor; 36. a driving cone wheel; 37. a driven conical wheel; 38. a drive shaft; 39. a splint; 40. a support frame; 41. and lifting the cylinder.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments; based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

It should be noted that as used in the following description, the terms "front," "back," "left," "right," "upper" and "lower" refer to directions in the drawings, and the terms "inner" and "outer" refer to directions toward and away from, respectively, the geometric center of a particular component.

As shown in fig. 1~2, the technical solution adopted by the present invention is as follows: a natural gas exploitation desanding and dewatering device comprises a protective shell 1, a protective cover plate 2, an air inlet pump 3, a cover plate lifting mechanism 4, a desanding mechanism 5, an air collecting hopper 6, an air duct 7, an air guide branch pipe 8, a water layer 9, an oil layer 10 and an air pump 11, wherein the water layer 9 and the oil layer 10 are arranged at the lower part of the protective shell 1, the oil layer 10 is positioned above the water layer 9, a drain pipe 12 and an oil inlet pipe 13 are arranged on the side wall of the lower part of the protective shell 1, the drain pipe 12 is communicated with the water layer 9, the oil inlet pipe 13 is communicated with the oil layer 10, control valves are arranged on the drain pipe 12 and the oil inlet pipe 13, the air pump 11 is arranged on the side wall of the middle part of the protective shell 1, an inlet pipe and an outlet pipe are arranged on the air pump 11, the inlet pipe penetrates through the side wall of the protective shell 1 and is arranged in the protective shell 1, the inlet pipe is positioned above the oil layer 10, the outlet pipe is positioned outside the protective shell 1, a lifting groove 14 is arranged on the top wall of the protective shell 1, the cover plate lifting mechanism 4 is arranged on the top wall of the protective shell 1, the protective cover plate 2 is arranged on the cover plate lifting mechanism 4, the protective cover plate 2 is arranged corresponding to the lifting groove 14, an air inlet pipe is fixedly arranged on the protective cover plate 2 and comprises an air inlet pipe I15 and an air inlet pipe II 16, the air inlet pipe I15 is arranged on the protective cover plate 2, a corrugated pipe 17 is arranged between the air inlet pipe I15 and the air inlet pipe II 16, the desanding mechanism 5 is arranged on the lower surface of the protective cover plate 2, the desanding mechanism 5 is connected with the air inlet pipe II 16, the air inlet pump 3 is arranged on the protective shell 1, an input air pipe 18 is arranged on the air inlet pump 3, the input air pipe 18 is connected with the air inlet pipe I15 through an air pipe joint, the air collecting hopper 6 is arranged in the protective shell, the air collecting hopper 6 is positioned below the desanding mechanism 5, the air guide pipe 7 is arranged in the protective shell, the air guide pipe 7 is communicated with the air collecting hopper 6, the air guide branch pipe 8 is arranged in the protective shell, and the air guide pipe 8 is communicated with the air guide pipe 7, the lower end of the air guide branch pipe 8 penetrates through the oil layer 10 and extends into the water layer 9.

Wherein, desanding mechanism 5 is including supporting montant 19, support diaphragm 20, vibrations prevent stifled structure, fixed subassembly and desanding section of thick bamboo 21, support montant 19 and locate 2 lower surfaces of protective cover, support montant 19 and be equipped with two sets ofly, support diaphragm 20 and locate two sets of support montant 19 lower extremes, vibrations prevent stifled structure and locate on supporting diaphragm 20, fixed subassembly is located vibrations and is prevented stifled structurally, desanding section of thick bamboo 21 is arranged in on the fixed subassembly, be equipped with connecting cylinder 22 on the desanding section of thick bamboo 21, be equipped with the internal thread in the connecting cylinder 22, be equipped with the external screw thread on the two 16 intake pipes, the two 16 intake pipes are located in connecting cylinder 22 through threaded connection, two 16 intake pipes extend to in the desanding section of thick bamboo 21.

The sand removing cylinder 21 comprises a sand containing cylinder part and a sand filtering cylinder part, the sand filtering cylinder part is arranged at the upper end of the Cheng Shatong part, the sand containing cylinder part is of a cylindrical structure with an open upper end, the sand filtering cylinder part is of a circular truncated cone-shaped structure, the side wall of the sand filtering cylinder part is a filter screen, and the connecting cylinder 22 is arranged on the sand filtering cylinder part.

The vibration anti-blocking structure comprises a supporting component, a vibration box 23, a vibration motor 24, a driving belt 25 and a vibration component, wherein the supporting component and the vibration box 23 are arranged on the supporting transverse plate 20, the supporting component is symmetrically arranged about the vibration box 23 in two groups, the vibration motor 24 is arranged in the vibration box 23, the vibration component is symmetrically arranged in two groups, and the vibration motor 24 is connected with the vibration component through the driving belt 25.

The supporting component comprises a supporting sleeve 26, a supporting sliding rod 27 and a supporting spring 28, the supporting sleeve 26 is arranged on the supporting transverse plate 20, the supporting sliding rod 27 is arranged in the supporting sleeve 26 in a sliding mode, the supporting spring 28 is sleeved on the supporting sleeve 26 and the supporting sliding rod 27, and two ends of the supporting spring 28 are arranged on the fixing component and the supporting transverse plate 20 respectively.

The vibrations subassembly includes vibrations drive shaft 29, driving-disc 30, connecting rod 31, two 32 on the connecting rod and push pedal 33, vibrations drive shaft 29 rotates and locates on the 23 inside walls of vibrations case, all fix on the output shaft of vibrations drive shaft 29 and shock dynamo 24 and be equipped with the belt pulley, drive belt 25 cover is located on the belt pulley, driving-disc 30 is located on the vibrations drive shaft 29, the eccentric articulated driving-disc 30 of locating of one end of connecting rod 31 is gone up, two 32 one ends of connecting rod are connected with the other end of one 31 is articulated, two 32 slides of connecting rod are located on vibrations case 23, push pedal 33 is located on two 32 of connecting rod.

The fixed subassembly includes fixed case 34, driving motor 35, initiative cone pulley 36, driven cone pulley 37, drive shaft 38 and splint 39, fixed case 34 is located and is supported slide bar 27 upper end, supporting spring 28 links to each other with fixed case 34 lower surface, fixed case 34 is located vibrations subassembly top, driving motor 35 is located on fixed case 34 diapire, initiative cone pulley 36 is located on driving motor 35's the output shaft, drive shaft 38 rotates and locates in fixed case 34, drive shaft 38 both ends symmetry is equipped with two sets of screw thread groups that screw thread opposite direction, driven cone pulley 37 is located drive shaft 38 middle part, driven cone pulley 37 meshes with initiative cone pulley 36, splint 39 symmetry is equipped with two sets ofly, two sets of splint 39 are located the screw thread group at drive shaft 38 both ends through threaded connection respectively, be equipped with the spout on the roof of fixed case 34, splint 39 slide and locate in the spout, it is located between two sets of splint 39 to remove sand section of thick bamboo 21.

The cover plate lifting mechanism 4 comprises a support frame 40 and a lifting cylinder 41, the support frame 40 is arranged on the protective shell 1, the lifting cylinder 41 is arranged on the support frame 40, and the lifting cylinder 41 is connected with the protective cover plate 2.

And a sealing gasket is arranged on the side wall of the lifting groove 14 so as to improve the sealing performance of the joint of the protective cover plate 2 and the lifting groove 14.

When the natural gas purifying device is used specifically, natural gas containing water and sand is pumped into the desanding cylinder 21 under the action of the air inlet pump 3, grains such as sand and stone are left in the desanding cylinder 21 after being filtered by the filter screen, the natural gas containing water enters the water layer 9 through the gas collecting hopper 6, the gas guide pipe 7 and the gas guide branch pipe 8, liquid water in the natural gas is isolated in the water layer 9 by the oil layer 10, and the purified natural gas is pumped out under the action of the air suction pump 11; in the process that the sand removing cylinder 21 filters sand, the vibration motor 24 is started, the vibration driving shaft 29 is driven to rotate under the action of the driving belt 25, the vibration driving shaft 29 drives the driving disc 30 to rotate, and the push plate 33 is driven to intermittently hit the fixing component through the first connecting rod 31 and the second connecting rod 32, so that the sand removing cylinder 21 is vibrated, and sand and the like are prevented from blocking the sand removing cylinder 21; when the sand removing cylinder 21 needs to be cleaned regularly, the sand removing mechanism 5 can be pulled out of the protective shell 1 only by starting the lifting cylinder 41, and then the two groups of clamping plates 39 can be driven to move in the direction away from the sand removing cylinder 21 under the action of the driving motor 35, so that the sand removing cylinder 21 can be taken down, and the sand removing cylinder 21 is overhauled and cleaned.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a natural gas exploitation degritting water trap which characterized in that: comprises a protective shell (1), a protective cover plate (2), an air inlet pump (3), a cover plate lifting mechanism (4), a desanding mechanism (5), an air collecting hopper (6), an air duct (7), an air guide branch pipe (8), a water layer (9), an oil layer (10) and an air pump (11), wherein the water layer (9) and the oil layer (10) are arranged at the lower part of the protective shell (1), the oil layer (10) is arranged above the water layer (9), a drain pipe (12) and an oil inlet pipe (13) are arranged on the side wall of the lower part of the protective shell (1), the drain pipe (12) is communicated with the water layer (9), the oil inlet pipe (13) is communicated with the oil layer (10), the drain pipe (12) and the oil inlet pipe (13) are both provided with control valves, the air pump (11) is arranged on the side wall of the middle part of the protective shell (1), an inlet pipe and an outlet pipe are arranged on the air pump (11), the side wall of the protective shell (1) penetrates through the protective shell (1), the top wall of the protective shell (1) is arranged above the protective cover plate (4), and the top wall (14) is arranged on the protective cover plate (1), the utility model discloses a sand removing device for gas guide pipe, including protective cover plate (2), intake pipe, sand removing mechanism (5), inlet pipe two (16) are located on protective cover plate (2), be equipped with bellows (17) between intake pipe one (15) and the intake pipe two (16), protective cover plate (2) lower surface is located in intake pipe one (15), sand removing mechanism (5) links to each other with intake pipe two (16), air intake pump (3) are located on protective housing (1), be equipped with input trachea (18) on air intake pump (3), input trachea (18) link to each other through the air pipe joint with intake pipe one (15), air collecting hopper (6) are located in the protective housing, air collecting hopper (6) are located sand removing mechanism (5) below, air guide pipe (7) are located in the protective housing, air guide pipe (7) are linked together with air collecting hopper (6), air guide pipe (8) are located in the protective housing, air guide pipe (8) and air guide pipe (7) communicate air guide pipe (9) to air guide pipe (10) extend through.

2. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the sand removing mechanism (5) comprises a supporting vertical rod (19), a supporting transverse plate (20), a vibration anti-blocking structure, a fixing assembly and a sand removing cylinder (21), the lower surface of the protective cover plate (2) is arranged on the supporting vertical rod (19), the supporting vertical rod (19) is provided with two groups, the supporting transverse plate (20) is provided with two groups of supporting vertical rod (19) lower ends, the vibration anti-blocking structure is arranged on the supporting transverse plate (20), the fixing assembly is arranged on the vibration anti-blocking structure, the sand removing cylinder (21) is arranged on the fixing assembly, a connecting cylinder (22) is arranged on the sand removing cylinder (21), internal threads are arranged in the connecting cylinder (22), external threads are arranged on the intake pipe two (16), the intake pipe two (16) is arranged in the connecting cylinder (22) through threaded connection, and the intake pipe two (16) extends into the sand removing cylinder (21).

3. The natural gas exploitation desanding and dewatering device according to claim 2, wherein: the sand removing cylinder (21) comprises a sand containing cylinder part and a sand filtering cylinder part, the sand filtering cylinder part is arranged at the upper end of the Cheng Shatong part, the sand containing cylinder part is of a cylindrical structure with an upper end opening, the sand filtering cylinder part is of a circular truncated cone-shaped structure, the side wall of the sand filtering cylinder part is a filter screen, and the connecting cylinder (22) is arranged on the sand filtering cylinder part.

4. The natural gas exploitation desanding and dewatering device according to claim 3, wherein: the anti-blocking structure with the vibration function comprises a supporting component, a vibration box (23), a vibration motor (24), a driving belt (25) and a vibration component, wherein the supporting component and the vibration box (23) are arranged on a supporting transverse plate (20), the supporting component is provided with two groups about the vibration box (23) in a symmetrical mode, the vibration motor (24) is arranged in the vibration box (23), the vibration component is symmetrically provided with two groups, and the vibration motor (24) is connected with the vibration component through the driving belt (25).

5. The natural gas exploitation desanding and dewatering device according to claim 4, wherein: the supporting component comprises a supporting sleeve (26), a supporting sliding rod (27) and a supporting spring (28), the supporting transverse plate (20) is arranged on the supporting sleeve (26), the supporting sliding rod (27) is arranged in the supporting sleeve (26) in a sliding mode, the supporting sleeve (26) and the supporting sliding rod (27) are sleeved with the supporting spring (28), and two ends of the supporting spring (28) are arranged on the fixing component and the supporting transverse plate (20) respectively.

6. The natural gas exploitation desanding and dewatering device according to claim 5, wherein: the vibrations subassembly is including vibrations drive shaft (38) (29), driving-disc (30), connecting rod (31), two (32) of connecting rod and push pedal (33), vibrations drive shaft (38) (29) are rotated and are located on vibrations case (23) inside wall, all fixedly on the output shaft of vibrations drive shaft (38) (29) and shock dynamo (24) be equipped with the belt pulley, on the belt pulley was located in driving belt (25) cover, on vibrations drive shaft (38) (29) was located in driving-disc (30), the eccentric articulated the locating in driving-disc (30) of one end of connecting rod (31), two (32) one end of connecting rod are connected with the other end hinge of connecting rod (31), two (32) of connecting rod slide and locate on vibrations case (23), on two (32) of connecting rod are located in push pedal (33).

7. The natural gas exploitation desanding and dewatering device according to claim 6, wherein: fixed subassembly is including fixed case (34), driving motor (35), initiative cone pulley (36), driven cone pulley (37), drive shaft (38) and splint (39), support slide bar (27) upper end is located in fixed case (34), supporting spring (28) link to each other with fixed case (34) lower surface, fixed case (34) are located vibrations subassembly top, driving motor (35) are located on fixed case (34) diapire, on the output shaft of driving motor (35) is located in initiative cone pulley (36), drive shaft (38) are rotated and are located in fixed case (34), drive shaft (38) both ends symmetry is equipped with two sets of screw thread group that screw thread opposite direction, driven cone pulley (37) are located drive shaft (38) middle part, driven cone pulley (37) and initiative cone pulley (36) meshing, splint (39) symmetry is equipped with two sets ofly, and is two sets of splint (39) are located the screw thread group at drive shaft (38) both ends through threaded connection respectively, be equipped with the roof on fixed case (34), splint (39) are located in the slip spout, remove between the sand barrel (21).

8. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: the cover plate lifting mechanism (4) comprises a support frame (40) and a lifting cylinder (41), the support frame (40) is arranged on the protective shell (1), the lifting cylinder (41) is arranged on the support frame (40), and the lifting cylinder (41) is connected with the protective cover plate (2).

9. The natural gas exploitation desanding and dewatering device according to claim 1, wherein: and a sealing gasket is arranged on the side wall of the lifting groove (14).