CN115105891B - Automatic flowing back desanding separator - Google Patents

Abstract

The application relates to an automatic flowing back degritting separator belongs to natural gas exploitation technical field, automatic flowing back degritting separator includes the fixed shell, first fixed glib cover and is used for blockking the filter screen of sand body, the filter screen slides in the fixed shell, the opening has been seted up on the fixed shell, the opening is located the filter screen below, be provided with the coupling shell on the outer wall that the fixed shell is close to opening one side, the fixed shell passes through opening and coupling shell intercommunication, the intercommunication has the fixed glib cover of second on the coupling shell, be provided with on the fixed shell and be used for making the filter screen drive opening when sliding or closing the opening mechanism, when the filter screen slides towards the direction of keeping away from first fixed glib cover, make the opening open through opening and closing mechanism; when the filter screen slides towards the direction approaching the first fixed oil nozzle sleeve, the opening is closed by the opening and closing mechanism. The utility model has the advantages of be convenient for accelerate the discharge rate of sand body as required, improve separation efficiency to a certain extent.

Description

Automatic flowing back desanding separator

Technical Field

The application relates to the technical field of natural gas exploitation, in particular to an automatic liquid draining and sand removing separator.

Background

Natural gas is also buried in subterranean closed geological formations like crude oil, and typically, materials extracted from natural gas wells include sand and water in addition to natural gas. During the production process, natural gas is separated from sand and liquid by a liquid-draining desanding separator.

In the related art, as disclosed in chinese patent document with publication number CN113431549a, an automatic liquid-draining desanding separator comprises a housing, which comprises a housing, be provided with the support column on the casing, be equipped with the natural gas outlet on the lateral wall of casing, the feed inlet, the mixture export, the bleeder, the inside cyclone that is equipped with down in proper order, coalescer and mist catcher, fixedly connected with outlet duct on the natural gas outlet, the first connecting pipe of mixture export fixedly connected with, the one end of first connecting pipe is equipped with separator, fixedly connected with second connecting pipe between the lateral wall of first connecting pipe and the bleeder, separator includes the fixed shell, fixed shell fixedly connected with is in the one end of first connecting pipe, fixedly connected with fixed nozzle sleeve on the bottom lateral wall of fixed shell, fixedly connected with fluid-discharge tube on the top lateral wall of fixed shell, the inside fixedly connected with filter screen of fixed shell. The liquid and sand body of natural gas separation processing are discharged into the fixed shell through first connecting pipe, and the rivers in the mixture mostly permeate the filter screen and reach in the fluid-discharge tube, discharge from the fluid-discharge tube, and the sand body is mostly all fallen in the back taper inside, comes out from the fixed glib talker cover, and when sand body and water in the casing are too much come not to discharge, the mixture of sand body and water is got back to in the casing through the second connecting pipe.

In view of the above-mentioned related art, the inventors found that, due to the limited amount of sand passing through the fixed nozzle cover, when the sand and water in the housing are excessive, the discharge is not enough, and the separation efficiency is affected.

Disclosure of Invention

In order to accelerate the discharge speed of sand body as required, improve separation efficiency to a certain extent, this application provides an automatic flowing back degritting separator.

The application provides an automatic flowing back degritting separator adopts following technical scheme:

the automatic liquid draining and sand removing separator comprises a fixed shell, a first fixed oil nozzle sleeve and a filter screen for blocking sand bodies, wherein the filter screen slides in the fixed shell, the sliding direction of the filter screen is parallel to the length direction of the first fixed oil nozzle sleeve, an opening is formed in the fixed shell, the opening is positioned below the filter screen, a connecting shell is arranged on the outer wall of one side of the fixed shell, which is close to the opening, of the fixed shell, the fixed shell is communicated with the connecting shell through the opening, a second fixed oil nozzle sleeve is communicated with the connecting shell, an opening and closing mechanism for driving the opening to open or close when the filter screen slides is arranged on the fixed shell, and when the filter screen slides in the direction away from the first fixed oil nozzle sleeve, the opening is opened through the opening and closing mechanism; when the filter screen slides towards the direction close to the first fixed nozzle sleeve, the opening is closed by the opening and closing mechanism.

By adopting the technical scheme, when excessive sand bodies enter the fixed shell, the sand bodies can push the filter screen to slide towards the direction away from the first fixed choke sleeve, and the opening and closing mechanism is driven to open the opening at the moment, so that part of sand bodies in the fixed shell enter the connecting shell through the opening and are discharged through the second fixed choke sleeve, the discharge speed of the sand bodies is accelerated, and the separation efficiency is improved to a certain extent; when the sand body in the fixed shell reduces, the filter screen slides towards the direction close to the first fixed choke sleeve under the action of gravity, the opening is closed through the opening and closing mechanism, the discharge speed is conveniently adjusted according to the quantity of the sand body in the fixed shell, the opening and closing mechanism is driven to open and close through the sliding of the filter screen, and the filter screen is simple and convenient, and is beneficial to saving cost.

Preferably, the opening and closing mechanism comprises an opening and closing door, an elastic driving piece arranged on the fixed shell and a driving assembly arranged on the fixed shell, wherein the opening and closing door is hinged to the outer wall of the fixed shell and is used for opening and closing the opening, the elastic driving piece is used for driving the opening and closing door to rotate towards a direction close to the opening so as to close the opening, and the driving assembly is used for enabling the filter screen to rotate towards a direction far away from the opening when the filter screen slides towards a direction far away from the first fixed glib talker sleeve.

By adopting the technical scheme, when the filter screen slides towards the direction far away from the first fixed choke sleeve, the opening and closing door is driven by the driving component to rotate towards the direction far away from the opening, so that the opening is opened, sand in the fixed shell can conveniently enter the connecting shell, and the discharge speed of the sand is accelerated; when the filter screen slides towards the direction close to the first fixed nozzle sleeve under the action of gravity, the elastic driving piece drives the opening and closing door to rotate towards the direction close to the opening, so that the opening is closed, and the discharge speed of the sand body can be conveniently adjusted according to the requirement.

Preferably, the driving assembly comprises a pull rope arranged on the opening and closing door, a winding drum arranged on the fixed shell in a rotating manner and a transmission piece arranged on the fixed shell, one end of the pull rope, far away from the opening and closing door, is wound on the winding drum, the transmission piece is used for driving the winding drum to rotate so as to wind or unwind the pull rope when the filter screen slides, and the winding drum winds the pull rope when the filter screen slides towards a direction far away from the first fixed glib talker sleeve.

Through adopting above-mentioned technical scheme, when filter screen orientation was kept away from the direction slip of first fixed glib cover, drove through the driving medium and receive the reel and rotate the rolling stay cord, the stay cord pulling is opened and close the door and is rotated towards keeping away from open-ended direction, makes the opening open, and part sand body in the fixed shell gets into in the coupling shell, and then is convenient for accelerate the discharge rate of sand body.

Preferably, the mounting box is communicated with the fixed shell, the mounting box is located above the opening, the transmission piece comprises a rotary blade, a worm and a worm wheel, the rotary blade rotates in the mounting box, the rotation axis of the rotary blade is perpendicular to the sliding direction of the filter screen, the edge of the rotary blade extends into the fixed shell, the worm rotates to penetrate through the mounting box, the worm is coaxially connected with the rotary blade, the worm wheel is sleeved on the winding drum, and the worm wheel is meshed with the worm.

Through adopting above-mentioned technical scheme, when the sand body in the fixed shell is too much, the sand body promotes the filter screen to slide towards the direction of keeping away from first fixed glib talker cover, make the flabellum butt of filter screen and rotating vane, and promote the rotating vane rotation, the rotating vane rotates and drives the worm rotation, make the worm wheel drive receive the reel rotation in order to receive the stay cord with rolling, thereby realize that the stay cord pulls and opens and close the door and rotate towards keeping away from open-ended direction, make the opening open-ended, help accelerating separation speed, simultaneously with low costs; the worm and the worm wheel are meshed with each other to have a self-locking function, so that the winding drum is driven to rotate and fixed to a required position, and unnecessary rotation is not easy to occur.

Preferably, the opening and closing door is provided with a rotating shaft, the rotating shaft rotates on the fixed shell, the elastic driving piece comprises a first torsion spring for driving the opening and closing door to rotate towards a direction close to the opening, the first torsion spring is movably sleeved on the rotating shaft, one end of the first torsion spring is arranged on the fixed shell, and the other end of the first torsion spring is arranged on the opening and closing door.

Through adopting above-mentioned technical scheme, when the rolling section of thick bamboo unreels the stay cord, first torsional spring drives and opens and close the door and rotate towards being close to the open-ended direction, realizes open-ended closure, and then is convenient for adjust the discharge rate of sand body as required.

Preferably, the one side that the pivot was kept away from to the door of opening and close is provided with the fixed column, it is provided with the baffle to rotate on the fixed column, the rotation axis perpendicular to of baffle opens and close the place plane of door, the one end that the reel was kept away from to the stay cord sets up the one end that the fixed column was kept away from at the baffle, be provided with on the fixed shell and be used for keeping away from the limit frame of the one side butt of opening and close the door with the baffle, limit frame is close to one side of reel and has offered the breach that is used for supplying the baffle to rotate in or out, be provided with on the door of opening and close and be used for driving the baffle towards keeping away from the direction pivoted elastic drive piece that opens and close the door.

By adopting the technical scheme, when the winding drum rotates to unwind the pull rope, the first torsion spring drives the opening and closing door to rotate towards the direction close to the opening, and the opening is closed; the pull rope is continuously unreeled, at the moment, the elastic driving piece drives the baffle to rotate towards the direction away from the opening and closing door, and the baffle rotates into the limiting frame from the notch, so that one surface of the baffle away from the opening and closing door is abutted with the limiting frame, further the rotation of the opening and closing door is limited, the opening and closing door is not easy to unnecessarily rotate, and the sealing effect between the opening and closing door and the fixed shell is improved.

Preferably, the elastic driving piece comprises a second torsion spring for driving the baffle to rotate towards a direction away from the opening and closing door, the second torsion spring is sleeved on the fixed column, one end of the second torsion spring is arranged on the baffle, the other end of the second torsion spring is arranged at the end part of the fixed column, and the torsion force of the second torsion spring is smaller than that of the first torsion spring.

Through adopting above-mentioned technical scheme, after opening and closing the door and closing the opening, continue unreeling the stay cord, the second torsional spring drives the baffle and rotates towards the direction that is close to the breach, makes the baffle rotate into the limit frame, and the baffle is kept away from open-ended one side and the inner wall butt of limit frame to the rotation of limit baffle makes the baffle be difficult for being promoted by the sand body.

Preferably, a first filter plate for blocking sand bodies is arranged in the connecting shell, the first filter plate is located above the opening, a liquid discharge pipe is communicated with the connecting shell and located above the first filter plate, and the pull rope slides through the first filter plate and the connecting shell.

Through adopting above-mentioned technical scheme, the water in the coupling shell is discharged from the fluid-discharge tube through first filter plate, helps accelerating the separation rate of sand body and water, improves the separation efficiency of sand body and water to a certain extent.

Preferably, the fixed shell and the connecting shell are both communicated with a liquid suction pipe, a second filter plate is arranged in the liquid suction pipe, a piston block is arranged in the liquid suction pipe in a sliding mode, the piston block is located at one side, far away from the fixed shell, of the second filter plate, a through hole is formed in the liquid suction pipe, a cover plate for opening and closing the through hole is hinged to the outer wall of the liquid suction pipe, an elastic piece for driving the cover plate to rotate towards the direction close to the through hole is arranged on the liquid suction pipe, an adjusting piece is arranged on the liquid suction pipe and used for driving the cover plate to rotate towards the direction far away from the through hole, and a driving source for driving the two piston blocks to slide is arranged on the fixed shell.

Through adopting the technical scheme, the two piston blocks are driven to slide towards the direction far away from the second filter plate by the driving source, so that water in the fixed shell and water in the connecting shell are sucked into the corresponding liquid suction pipe, when the piston blocks slide to the required positions, the adjusting piece drives the cover plate to rotate towards the direction far away from the through hole, so that the through hole is opened, water in the liquid suction pipe is discharged from the through hole, the separation efficiency is accelerated, and meanwhile, the water content in the sand body is reduced; when the piston block slides towards the direction close to the second filter plate, the cover plate is driven to rotate towards the direction close to the through hole through the elastic piece so as to form a seal, and convenience is brought to the piston block to suck water into the liquid suction pipe.

Preferably, the regulating part comprises a button sheet, a connecting rod, a slide bar, a spring and a connecting rope, wherein the button sheet is arranged on the inner wall of the liquid suction pipe, the button sheet is positioned on one side of the through hole away from the second filter plate, the button sheet is an elastic arc sheet, the button sheet protrudes outwards towards the direction away from the inner wall of the liquid suction pipe, the cambered surface of the button sheet is used for sliding relative to the piston block, one end of the spring is arranged on the button sheet, the other end of the spring is arranged on the inner wall of the liquid suction pipe, the spring is used for supporting the button sheet, the connecting rod is slidably arranged on the liquid suction pipe in a penetrating manner, one end of the connecting rod is arranged on the button sheet, the other end of the connecting rod is arranged on the slide bar, the sliding direction of the slide bar and the connecting rod is perpendicular to the length direction of the liquid suction pipe, one end of the connecting rope is arranged on one side of the slide bar away from the button sheet, and the other end of the connecting rope is arranged on the cover plate.

Through adopting above-mentioned technical scheme, when the piston piece slides to button piece department, take place relative slip with the cambered surface of button piece, press the button piece simultaneously for the connecting rod promotes the slide bar and slides towards the direction of keeping away from the drawing liquid pipe, makes the slide bar pulling connect the rope and removes, thereby realizes connecting the rope pulling apron and rotates towards the direction of keeping away from the through-hole, so that the through-hole is opened, and the water flow in the drawing liquid pipe discharges, helps improving sand body and water separation effect and efficiency.

In summary, the present application includes at least one of the following beneficial technical effects:

when the sand bodies in the fixed shell are too much, the sand bodies push the filter screen to slide in the direction away from the first fixed nozzle sleeve, so that the filter screen is abutted with fan blades of the rotating blades, the rotating blades are pushed to rotate, the rotating blades rotate to drive the worm to rotate, the worm wheel drives the winding drum to rotate so as to wind the pull rope, the pull rope is used for pulling the opening and closing door to rotate in the direction away from the opening, the opening is opened, the separation speed of the sand bodies and water is increased, and meanwhile, the cost is low;

the two piston blocks are driven to slide towards the direction away from the second filter plate through the driving source, so that water in the fixed shell and water in the connecting shell are sucked into the corresponding liquid suction pipe, when the piston blocks slide to the button sheet, the piston blocks slide relatively to the cambered surface of the button sheet, and meanwhile, the button sheet is pressed, so that the connecting rod pushes the sliding rod to slide towards the direction away from the liquid suction pipe, the sliding rod pulls the connecting rope to move, the connecting rope pulls the cover plate to rotate towards the direction away from the through hole, the through hole is opened, and water in the liquid suction pipe is discharged, so that the sand body and the water separation effect and efficiency are improved.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present application.

Fig. 2 is a cross-sectional view of the overall structure of the fixing case and the connection case in the embodiment of the present application.

Fig. 3 is an enlarged view of a portion a in fig. 2.

Fig. 4 is a cross-sectional view of the overall structure of the fixing case and the connection case from another perspective in the embodiment of the present application.

FIG. 5 is a cross-sectional view of the overall construction of an extractor tube according to an embodiment of the present application.

Fig. 6 is an enlarged view of a portion B in fig. 5.

Reference numerals illustrate: 1. a fixed case; 2. a first fixed nozzle sleeve; 3. a filter screen; 4. an opening; 5. a connection housing; 6. a second fixed nozzle sleeve; 7. an opening and closing mechanism; 71. opening and closing a door; 72. an elastic driving member; 721. a first torsion spring; 73. a drive assembly; 731. a pull rope; 732. winding up a winding drum; 733. a transmission member; 7331. rotating the blades; 73311. a rotation shaft; 73312. a fan blade; 7332. a worm; 7333. a worm wheel; 8. a mounting box; 9. a rotating shaft; 10. fixing the column; 11. a baffle; 12. defining a frame; 13. a notch; 14. a second torsion spring; 15. a first filter plate; 16. a liquid discharge pipe; 17. a liquid suction pipe; 18. a second filter plate; 19. a piston block; 20. a through hole; 21. a cover plate; 22. an adjusting member; 221. a button plate; 222. a connecting rod; 223. a slide bar; 224. a spring; 225. a connecting rope; 23. a slide block; 24. a chute; 25. an organ cover; 26. a support rod; 27. a mounting shaft; 28. a third torsion spring; 29. a push rod; 30. a connecting plate; 31. a cylinder; 32. a sliding sleeve; 33. and (3) a bracket.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-6.

The embodiment of the application discloses an automatic flowing back degritting separator. Referring to fig. 1 and 2, the automatic liquid draining and sand removing separator comprises a fixed shell 1 communicated with a first connecting pipe, a first fixed choke sleeve 2 communicated with the bottom end of the fixed shell 1, and a filter screen 3 for blocking sand bodies, wherein the cross section of the fixed shell 1 is rectangular, the filter screen 3 slides in the fixed shell 1, the sliding direction of the filter screen 3 is parallel to the length direction of the first fixed choke sleeve 2, sliding blocks 23 are fixedly connected to two opposite sides of the filter screen 3, sliding grooves 24 in sliding fit with the sliding blocks 23 are formed in two opposite side inner walls of the fixed shell 1, an opening 4 is formed in one side of the fixed shell 1 away from the first connecting pipe, the opening 4 is positioned below the filter screen 3, a connecting shell 5 is covered on the outer wall of the fixed shell 1 close to the opening 4, the fixed shell 1 is communicated with the connecting shell 5 through the opening 4, a second fixed choke sleeve 6 is communicated with the bottom end of the connecting shell 5, an opening 4 is driven to be opened or closed by an opening and closing mechanism 7 when the filter screen 3 slides in the fixed shell 1, and the opening 4 is driven to slide in the direction away from the first fixed choke sleeve 2; when the filter screen 3 slides in a direction approaching the first fixed nozzle cover 2, the opening 4 is driven to close by the opening and closing mechanism 7.

Referring to fig. 2 and 3, in order to facilitate opening or closing of the opening 4 when the filter screen 3 slides, the opening and closing mechanism 7 includes an opening and closing door 71, an elastic driving member 72 disposed on the fixed housing 1, and a driving assembly 73 disposed on the fixed housing 1, the opening and closing door 71 is hinged on the outer wall of the fixed housing 1, the opening and closing door 71 is used for opening and closing the opening 4, the hinge axis of the opening and closing door 71 is perpendicular to the length direction of the first fixed nozzle sleeve 2, two ends of the opening and closing door 71 are fixedly connected with a rotating shaft 9, the rotating shaft 9 rotates on the outer wall of the fixed housing 1, the rotating shaft 9 is located at one side of the opening and closing door 71 close to the filter screen 3, the elastic driving member 72 is used for driving the opening and closing door 71 to rotate towards the direction close to the opening 4, the first torsion spring 721 is sleeved on the rotating shaft 9, one end of the first torsion spring 721 is fixedly connected to the outer wall of the fixed housing 1, and the other end is fixedly connected to the opening and closing door 71; the driving component 73 is used for driving the opening and closing door 71 to rotate towards the direction away from the opening 4 when the filter screen 3 slides towards the direction away from the first fixed nozzle sleeve 2.

Referring to fig. 3 and 4, in order to facilitate the driving of the opening and closing door 71 to rotate in a direction away from the opening 4, the driving assembly 73 includes a pulling rope 731 provided on the opening and closing door 71, a winding drum 732 rotatably provided on an outer wall of the fixed case 1, and a driving member 733 provided on the fixed case 1, one end of the pulling rope 731 away from the opening and closing door 71 is wound on the winding drum 732, a rotation axis of the winding drum 732 is perpendicular to a plane of the opening 4, the driving member 733 is used to drive the winding drum 732 to rotate to wind or unwind the pulling rope 731 when the filter screen 3 slides in a direction away from the first fixed nozzle cover 2, and the winding drum 732 winds the pulling rope 731 when the filter screen 3 slides in a direction away from the first fixed nozzle cover 2.

Referring to fig. 3 and 4, a mounting box 8 is communicated with one side of the fixed housing 1 near the opening 4, the mounting box 8 is located above the connecting housing 5, the mounting box 8 is located above the opening 4, the transmission piece 733 comprises a rotating blade 7331, a worm 7332 and a worm wheel 7333, the rotating blade 7331 rotates in the mounting box 8, the rotating blade 7331 comprises a rotating shaft 7331 rotatably arranged in the mounting box 8 and a plurality of fan blades 73312 fixed on the rotating shaft 7331, the plurality of fan blades 73312 are arranged along the circumferential direction of the rotating shaft 7331, the rotating shaft 7311 is parallel to the plane of the fan blades 73312, the rotation axis of the rotating shaft 7331 is perpendicular to the sliding direction of the filter screen 3, the rotation axis of the rotating shaft 7311 is parallel to the rotation axis of the rotating shaft 9, the edge of the fan blade 73312 extends into the fixed housing 1, the worm 7332 rotates to penetrate through the mounting box 8, the worm 7332 and the rotating shaft 7332 is fixedly connected coaxially, the rotating shaft 7333 is fixedly sleeved on the shaft of the winding drum 732, the worm 7333 is meshed with the worm 7332, and the gravity of the worm 7333 is greater than the required thrust to push the worm wheel which pushes the rotating blade 7331 to rotate.

When sand bodies and water in the fixed shell 1 are more, the sand body accumulation filling can push the filter screen 3 to slide towards the direction away from the first fixed nozzle sleeve 2, the filter screen 3 slides to a certain height and then is abutted against the fan blades 73312 of the rotating blades 7331, the fan blades 73312 are pushed to drive the rotating shafts 7331 to rotate in the process of continuously sliding upwards, the rotating shafts 7333 11 drive the worm 7332 to rotate, the worm 7332 drives the worm wheel 7333 to rotate, the worm wheel 7333 drives the winding drum 732 to rotate, the winding drum 732 winds the pull rope 731 at the moment, the pull rope 731 pulls the opening and closing door 71 to rotate towards the direction away from the opening 4, the opening 4 is opened by the opening and the part of sand bodies in the fixed shell 1 enter the connecting shell 5 through the opening 4 and are discharged through the second fixed nozzle sleeve 6, so that the sand discharging speed is accelerated, and the separation efficiency of the sand bodies and the water is accelerated to a certain extent. Meanwhile, the worm gear 7333 and the worm 7332 are engaged with each other to have a self-locking function, so that the winding drum 732 can be rotated and fixed at a required position, and the winding drum is simple and convenient.

When the sand body in the fixed shell 1 is reduced, the filter screen 3 slides towards the direction close to the first fixed choke sleeve 2 under the action of gravity, the fan blades 73312 are abutted in the sliding process of the filter screen 3, the fan blades 73312 are pushed to rotate reversely along the rotating shaft 7331, at the moment, the worm 7332 drives the worm wheel 7333 to rotate, the worm wheel 7333 drives the winding drum 732 to rotate so as to unwind the pull rope 731, the pulling force of the pull rope 731 on the cover plate 21 is reduced, and at the moment, the first torsion spring 721 drives the opening and closing door 71 to rotate towards the direction close to the opening 4, so that the opening and closing door 71 closes the opening 4, and the sand discharging speed can be adjusted as required.

Referring to fig. 1 and 2, an organ cover 25 is fixed to both sides of the slider 23, and one end of the organ cover 25, which is far from the slider 23, is fixed to the corresponding inner wall of the chute 24. The arrangement of the organ cover 25 protects the chute 24 to reduce the possibility of sand entering the chute 24, so as to facilitate the sliding of the filter screen 3.

Referring to fig. 2 and 3, a first filter plate 15 for blocking sand bodies is fixed on the connection housing 5, the first filter plate 15 is located above the opening 4, a liquid discharge pipe 16 is communicated with the connection housing 5, the liquid discharge pipe 16 is located above the first filter plate 15, and a pull rope 731 is movably arranged on the first filter plate 15 and the connection housing 5 in a penetrating manner. The water in the connection housing 5 is discharged from the drain pipe 16 through the second filter plate 18, contributing to an acceleration of the drain efficiency.

Referring to fig. 1, two support rods 26 are fixedly connected to the outer wall of the fixing case 1 far from the connection case 5, and one end of the support rod 26 far from the fixing case 1 is used for being fixed on a support column, which is helpful for improving the structural stability of the fixing case 1.

Referring to fig. 3 and 4, a fixed column 10 is fixedly connected to one side of the opening and closing door 71 far away from the rotating shaft 9, the length direction of the fixed column 10 is perpendicular to the plane of the opening and closing door 71, a baffle 11 is rotatably arranged on the fixed column 10, the rotation axis of the baffle 11 is perpendicular to the plane of the opening and closing door 71, the distance from one end of the baffle 11 far away from the fixed column 10 to the fixed column 10 is greater than the distance from the fixed column 10 to one side of the opening and closing door 71 far away from the rotating shaft 9, one end of a pull rope 731 far away from the winding drum 732 is fixedly connected to one side of the baffle 11 far away from the fixed column 10, a limiting frame 12 for being abutted to one side of the baffle 11 far away from the opening and closing door 71 is fixedly connected to the fixed shell 1, a notch 13 for allowing the baffle 11 to rotate in or out is formed in one side of the limiting frame 12 near the winding drum 732, the cross section of the limiting frame 12 is in an L shape, and an elastic driving piece for driving the baffle 11 to rotate towards the direction far away from the opening and closing door 71 is arranged on the fixed column 10.

Referring to fig. 3, the elastic driving member includes a second torsion spring 14 for driving the shutter 11 to rotate in a direction away from the opening/closing door 71, the second torsion spring 14 is sleeved on the fixed column 10, one end of the second torsion spring 14 is fixedly connected to the shutter 11, the other end is fixedly connected to an end of the fixed column 10 away from the opening/closing door 71, and a torsion force of the second torsion spring 14 is smaller than that of the first torsion spring 721.

When the winding drum 732 rotates and the pull rope 731 is wound, the pull rope 731 firstly pulls the baffle 11 to rotate towards the direction close to the opening and closing door 71, so that the baffle 11 rotates out of the notch 13, when one end of the baffle 11 far away from the fixed column 10 rotates towards the winding drum 732, the winding drum 732 continues to wind the pull rope 731, and the pull rope 731 pulls the opening and closing door 71 to rotate towards the direction far away from the opening 4 through the baffle 11, so that the opening of the opening 4 is realized, and the sand discharging efficiency is improved; when the winding drum 732 unwinds the pull rope 731, the torsion force of the first torsion spring 721 is greater than the torsion force of the second torsion spring 14, so that the first torsion spring 721 drives the opening and closing door 71 to rotate towards the direction close to the opening 4 until the opening and closing door 71 closes the opening 4, and the winding drum 732 continues to unwind the pull rope 731, at this time, the second torsion spring 14 drives the baffle 11 to rotate towards the direction far away from the opening and closing door 71, so that the baffle 11 rotates into the limiting frame 12 from the notch 13, so that the surface of the baffle 11 far away from the opening and closing door 71 abuts against the inner wall of the limiting frame 12, thereby limiting the rotation of the opening and closing door 71, and helping to reduce the possibility that the opening and closing door 71 rotates due to the extrusion force of the sand body, so that the opening and closing door 71 is not easy to rotate unnecessarily.

Referring to fig. 4 and 5, the fixing shell 1 and the connecting shell 5 are both communicated with a liquid suction pipe 17, one end of the liquid suction pipe 17, which is close to the fixing shell 1, is positioned below the opening and closing door 71, and the diameter of one end of the liquid suction pipe 17, which is close to the opening and closing door 71, is reduced towards the direction, which is close to the opening and closing door 71, so that the water suction effect is facilitated; the second filter plates 18 for blocking sand bodies are respectively fixed at one ends, close to the opening and closing doors 71, in the liquid suction pipes 17, piston blocks 19 are slidably arranged in the liquid suction pipes 17, the piston blocks 19 are located at one sides, far away from the fixed shell 1, of the second filter plates 18, the sliding directions of the piston blocks 19 are parallel to the length direction of the liquid suction pipes 17, through holes 20 are formed in the bottom sides of the liquid suction pipes 17, in the embodiment, two through holes 20 are formed in each liquid suction pipe 17, cover plates 21 for opening and closing the through holes 20 are hinged to the outer walls of the liquid suction pipes 17, and the cover plates 21 correspond to the through holes 20 one by one.

Referring to fig. 5 and 6, the two ends of the cover plate 21 are fixed with mounting shafts 27, the mounting shafts 27 rotate on the outer wall of the liquid suction tube 17, the rotation axis of the mounting shafts 27 is perpendicular to the length direction of the liquid suction tube 17, the mounting shafts 27 are positioned on one side of the cover plate 21 away from the second filter plate 18, the liquid suction tube 17 is provided with an elastic member for driving the cover plate 21 to rotate towards the direction close to the through hole 20, the elastic member comprises a third torsion spring 28 for driving the cover plate 21 to rotate towards the direction close to the through hole 20, the third torsion spring 28 is movably sleeved on the mounting shafts 27, one end of the third torsion spring 28 is fixed on the outer wall of the liquid suction tube 17, and the other end of the third torsion spring 28 is fixed on the cover plate 21; the liquid suction pipe 17 is provided with an adjusting piece 22, and the adjusting piece 22 is used for driving the cover plate 21 to rotate towards a direction away from the through hole 20. A rubber gasket is adhered to one side of the cover plate 21, which is close to the through hole 20, and is arranged along the circumferential direction of the cover plate 21, and the rubber gasket is helpful for enhancing the tightness between the cover plate 21 and the liquid suction tube 17. In other embodiments, the third torsion spring 28 may be replaced with a spiral spring that is sleeved on the mounting shaft 27.

Referring to fig. 4 and 5, a bracket 33 is fixed on the fixed housing 1, a driving source for driving the two piston blocks 19 to slide is fixedly mounted on the bracket 33, a pushing rod 29 is fixedly connected to one side of the piston block 19 away from the second filter plate 18, the two pushing rods 29 are connected through a connecting plate 30, the driving source comprises a cylinder 31 fixedly mounted on the bracket 33, the extending direction of the cylinder 31 is parallel to the sliding direction of the piston block 19, and the connecting plate 30 is fixedly connected with a piston rod of the cylinder 31. In other embodiments, the cylinder 31 may be replaced with an electric cylinder, an electric push rod, or the like.

Referring to fig. 5 and 6, the adjusting member 22 includes a button piece 221, a connecting rod 222, a sliding rod 223, a spring 224 and a connecting rope 225, the button piece 221 is fixedly connected to the inner wall of the liquid suction tube 17, the button piece 221 is an elastic arc piece, the button piece 221 protrudes outwards in a direction away from the inner wall of the liquid suction tube 17, the arc surface of the button piece 221 is used for sliding relative to the piston block 19, one end of the spring 224 is fixed to the inner wall of the button piece 221, the other end is fixedly connected to the inner wall of the liquid suction tube 17, the spring 224 is used for supporting the button piece 221, and the extending direction of the spring 224 is perpendicular to the length direction of the liquid suction tube 17, in this embodiment, the spring 224 is provided with two; the connecting rod 222 slides and wears to establish on the drawing liquid pipe 17, the connecting rod 222 is located between two springs 224, the one end fixed connection of connecting rod 222 is on button piece 221 inner wall, the other end fixed connection is on slide bar 223 inner wall, slide bar 223 slides and sets up on drawing liquid pipe 17 outer wall, be fixed with sliding sleeve 32 on the drawing liquid pipe 17 outer wall, slide bar 223 slip cap is established in sliding sleeve 32, the slip direction of slide bar 223 and connecting rod 222 is perpendicular to the length direction of drawing liquid pipe 17, the one end fixed connection of connecting rope 225 is in the one side that slide bar 223 kept away from button piece 221, the other end fixed connection is on apron 21. In other embodiments, a header tank may be placed below the extractor tube 17 to aid in the collection of waste liquid.

Starting the cylinder 31, the cylinder 31 drives the connecting plate 30 to drive the push rod 29 and the two piston blocks 19 to slide towards the direction away from the second filter plate 18, and because the inner wall of the liquid suction pipe 17 is sealed, the piston blocks 19 pump water in the fixed shell 1 and the connecting shell 5 into the corresponding liquid suction pipes 17 respectively in the sliding process, the piston blocks 19 slide to the button piece 221 and slide relatively to the cambered surface of the button piece 221 to press the button piece 221, so that the spring 224 is compressed, the connecting rod 222 pushes the slide rod 223 to slide towards the direction away from the liquid suction pipe 17, the slide rod 223 pulls the connecting rope 225 to move, the connecting rope 225 pulls the cover plate 21 to rotate towards the direction away from the through hole 20, water in the liquid suction pipe 17 flows out from the through hole 20, and water in the sand body is separated further, so that the separating effect and efficiency are improved. After the water in the liquid suction pipe 17 is discharged, the actuating cylinder 31 drives the connecting plate 30 to push the push rod 29 and the piston block 19 to slide towards the direction close to the second filter plate 18, after the piston block 19 is separated from the button piece 221, the spring 224 pushes the button piece 221 to bulge towards the direction close to the push rod 29, so that the connecting rod 222 drives the slide rod 223 to slide towards the direction close to the liquid suction pipe 17, the pulling force of the connecting rope 225 on the cover plate 21 is reduced, the third torsion spring 28 drives the cover plate 21 to rotate towards the direction close to the through hole 20 until the through hole 20 is closed, and therefore a closed pipe wall is formed, when the piston block 19 slides towards the direction far away from the second filter plate 18, the water is pumped into the liquid suction pipe 17, and the liquid suction pipe is simple and convenient.

The implementation principle of the embodiment of the application is as follows: when sand and water entering the fixed shell 1 are more, the sand accumulation filling can push the filter screen 3 to slide towards a direction away from the first fixed nozzle sleeve 2, after the filter screen 3 slides to a certain height, the filter screen 3 is abutted against the fan blades 73312 of the rotating blades 7331, when the filter screen 3 continues to slide upwards, the fan blades 73312 drive the rotating shaft 7333 to rotate, the winding drum 732 rotates and winds the pull rope 731 through the transmission of the worm wheel 7333 and the worm 7332, the pull rope 731 firstly pulls the baffle 11 to rotate towards a direction close to the opening and closing door 71, the baffle 11 rotates from the notch 13, the end of the baffle 11 far away from the fixed column 10 faces the winding drum 732, the winding drum 732 continues to wind the pull rope 731, then the pull rope 731 pulls the opening and closing door 71 to rotate towards a direction away from the opening 4 through the baffle 11, so that the opening and closing door 71 opens the opening 4, part of the sand in the fixed shell 1 enters the connecting shell 5 through the opening 4 and is discharged through the second fixed nozzle sleeve 6, and the water in the connecting shell 5 can flow out of the liquid discharge tube 16 through the first filter plate 15, so that the sand discharge speed is accelerated and the sand discharge efficiency and the sand separation efficiency are improved to a certain extent.

When the sand body in the fixed shell 1 is reduced, the filter screen 3 slides towards the direction close to the first fixed choke sleeve 2 under the action of gravity, the fan blades 73312 are abutted in the sliding process of the filter screen 3 and push the fan blades 73312 to rotate reversely, the winding drum 732 rotates to unwind the pull rope 731 through the transmission of the worm 7332 and the worm wheel 7333, the pull force of the pull rope 731 on the cover plate 21 is reduced, the first torsion spring 721 drives the opening and closing door 71 to rotate towards the direction close to the opening 4 until the opening 4 is closed, then the winding drum 732 continues to unwind the pull rope 731, the second torsion spring 14 drives the baffle 11 to rotate towards the direction far away from the opening and closing door 71, the baffle 11 is rotated into the limiting frame 12 from the notch 13, the limiting frame 12 is helpful for limiting the rotation of the opening and closing door 71, the opening and closing door 71 is not easy to rotate unnecessarily, and therefore the sand discharging speed can be adjusted according to the sand body in the fixed shell 1, and the method is simple and convenient, and the cost is low.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (5)

1. The utility model provides an automatic flowing back desanding separator, includes fixed shell (1), first fixed glib cover (2) and is used for blockking filter screen (3) of sand body, its characterized in that: the filter screen (3) slides in the fixed shell (1), the sliding direction of the filter screen (3) is parallel to the length direction of the first fixed choke sleeve (2), an opening (4) is formed in the fixed shell (1), the opening (4) is located below the filter screen (3), a connecting shell (5) is arranged on the outer wall, close to one side of the opening (4), of the fixed shell (1), the fixed shell (1) is communicated with the connecting shell (5) through the opening (4), a second fixed choke sleeve (6) is communicated with the connecting shell (5), an opening and closing mechanism (7) used for driving the opening (4) to open or close when the filter screen (3) slides is arranged on the fixed shell (1), and when the filter screen (3) slides towards the direction away from the first fixed choke sleeve (2), the opening and closing mechanism (7) enables the opening (4) to open; when the filter screen (3) slides towards the direction close to the first fixed oil nozzle sleeve (2), the opening (4) is closed through the opening and closing mechanism (7), the opening and closing mechanism (7) comprises an opening and closing door (71), an elastic driving piece (72) arranged on the fixed shell (1) and a driving component (73) arranged on the fixed shell (1), the opening and closing door (71) is hinged on the outer wall of the fixed shell (1), the opening and closing door (71) is used for opening and closing the opening (4), the elastic driving piece (72) is used for driving the opening and closing door (71) to rotate towards the direction close to the opening (4) so as to close the opening (4), the driving component (73) is used for driving the opening and closing door (71) to rotate towards the direction far away from the opening (4) when the filter screen (3) slides towards the direction far away from the first fixed oil nozzle sleeve (2), the driving component (73) comprises a pull rope (732) arranged on the opening and closing door (71), a winding drum (732) arranged on the fixed shell (1) in a rotating way and a transmission piece (731) arranged on the fixed shell (1) so as to wind up and down the winding drum (731) and wind the winding drum (3), the transmission piece (733) is used for driving the winding drum (732) to rotate so as to wind or unwind the pull rope (731) when the filter screen (3) slides in a direction away from the first fixed oil nozzle sleeve (2), the winding drum (732) winds the pull rope (731), the fixed shell (1) is communicated with the installation box (8), the installation box (8) is positioned above the opening (4), the transmission piece (733) comprises a rotating blade (7331), a worm (7332) and a worm wheel (7333), the rotating blade (7331) rotates in the installation box (8), the rotation axis of the rotating blade (7331) is perpendicular to the sliding direction of the filter screen (3), the edge of the rotating blade (7331) extends into the fixed shell (1), the worm (7332) rotates to be arranged on the installation box (8) in a penetrating mode, the worm (7332) is coaxially connected with the rotating blade (7331), the winding drum (732) is sleeved on the worm wheel (733), and the worm (7332) is meshed with the worm (733);

the utility model discloses a filter plate, including fixed shell (1) and coupling shell (5), all communicate on fixed shell (1) and coupling shell (5) have drawing liquid pipe (17), be provided with second filter plate (18) in drawing liquid pipe (17), it is provided with piston block (19) to slide in drawing liquid pipe (17), piston block (19) are located one side that fixed shell (1) was kept away from to second filter plate (18), offer through-hole (20) on drawing liquid pipe (17), be provided with apron (21) that are used for opening and close through-hole (20) on drawing liquid pipe (17) outer wall, be provided with on drawing liquid pipe (17) and be used for driving apron (21) towards the elastic component that is close to the direction of through-hole (20) rotation, be provided with regulating part (22) on drawing liquid pipe (17), regulating part (22) are used for driving apron (21) towards the direction of keeping away from through-hole (20) rotation, be provided with on fixed shell (1) be used for driving two piston block (19) gliding driving source, regulating part (22) include button piece (221), connecting rod (222), slide bar (223) and spring piece (223) are located on one side of filter plate (221) are kept away from on the filter plate (17) that arc piece (221), the utility model discloses a liquid pump, including pull liquid pipe (17) and connecting rope, push button piece (221) are outwards directed away from the direction of pull liquid pipe (17) inner wall, the cambered surface of push button piece (221) is used for sliding with piston piece (19) relatively, the one end of spring (224) sets up on push button piece (221), and the other end sets up on pull liquid pipe (17) on the other end setting of push button piece (221), slide bar (223) slip setting on pull liquid pipe (17) outer wall, the slip direction of slide bar (223) and connecting rod (222) is perpendicular to the length direction of pull liquid pipe (17), the one end setting of connecting rope (225) is in one side that push button piece (221) were kept away from to slide bar (223), and the other end sets up on apron (21).

2. An automatic liquid and sand removal separator according to claim 1, wherein: the novel door is characterized in that a rotating shaft (9) is arranged on the opening and closing door (71), the rotating shaft (9) rotates on the fixed shell (1), the elastic driving piece (72) comprises a first torsion spring (721) used for driving the opening and closing door (71) to rotate towards the direction close to the opening (4), the first torsion spring (721) is movably sleeved on the rotating shaft (9), one end of the first torsion spring (721) is arranged on the fixed shell (1), and the other end of the first torsion spring (721) is arranged on the opening and closing door (71).

3. An automatic liquid and sand removal separator according to claim 2, wherein: the utility model discloses a door is opened and close to one side that pivot (9) was kept away from to door (71) is provided with fixed column (10), the rotation is provided with baffle (11) on fixed column (10), the rotation axis of baffle (11) perpendicular to opens and close the place plane of door (71), the one end that receipts reel (732) was kept away from to stay cord (731) sets up the one end that fixed column (10) was kept away from at baffle (11), be provided with on fixed shell (1) be used for keeping away from limit frame (12) of the one side butt of opening and close door (71) with baffle (11), limit frame (12) are close to one side of receipts reel (732) and have been seted up breach (13) that are used for supplying baffle (11) to rotate or roll out, be provided with on opening and close door (71) and be used for driving baffle (11) towards the direction pivoted that keeps away from door (71).

4. An automatic liquid and sand removal separator according to claim 3, wherein: the elastic driving piece comprises a second torsion spring (14) for driving the baffle plate (11) to rotate towards a direction away from the opening and closing door (71), the second torsion spring (14) is sleeved on the fixed column (10), one end of the second torsion spring (14) is arranged on the baffle plate (11), the other end of the second torsion spring is arranged at the end part of the fixed column (10), and the torsion force of the second torsion spring (14) is smaller than that of the first torsion spring (721).

5. An automatic liquid and sand draining separator according to any one of claims 1-4, wherein: be provided with in the connection shell (5) and be used for blockking first filter plate (15) of sand body, first filter plate (15) are located opening (4) top, the intercommunication has fluid-discharge tube (16) on connection shell (5), fluid-discharge tube (16) are located first filter plate (15) top, stay cord (731) slip passes first filter plate (15) and connection shell (5).