CN114293967B

CN114293967B - Integrated normal-pressure shale gas drainage gas production and on-site treatment device

Info

Publication number: CN114293967B
Application number: CN202111624340.8A
Authority: CN
Inventors: 尹中山; 戚明辉; 王东强; 刘虎; 徐强
Original assignee: Sichuan Keyuan Engineering Technology Test Center Co ltd
Current assignee: Sichuan Keyuan Engineering Technology Test Center Co ltd
Priority date: 2021-12-28
Filing date: 2021-12-28
Publication date: 2023-05-26
Anticipated expiration: 2041-12-28
Also published as: CN114293967A

Abstract

The invention relates to the technical field of petroleum and natural gas exploitation devices, and discloses an integrated normal-pressure shale gas drainage gas exploitation and on-site treatment device, which comprises a plurality of bottom support mechanisms which are arranged at equal intervals and a bearing mechanism which is fixedly arranged on the top of the bottom support mechanisms.

Description

Integrated normal-pressure shale gas drainage gas production and on-site treatment device

Technical Field

The invention relates to the technical field of petroleum and natural gas exploitation devices, in particular to an integrated normal-pressure shale gas drainage gas exploitation and on-site treatment device.

Background

Shale gas refers to natural gas which is rich in organic matters, mature dark shale or high-carbon shale, and has certain biological factors and pyrolysis factors with certain commercial value and mixed factors due to the adsorption of the organic matters or cracks and matrix pores in rock, and is endowed in a non-conventional natural gas in a reservoir rock system mainly containing the shale rich in the organic matters.

When the existing shale gas is mined, the shale gas is firstly required to be separated and filtered through a separation step, then a gas-water separation device is required, a natural gas-water separator is used for realizing separation operation by utilizing the interception effect of a filter medium on solid particles and liquid drops in the gas, fine solid dust and liquid mist droplets in the gas can be separated, the separation precision is high, but a traditional gas-water separation filter device is arranged in the device, the filter device is generally integrated, time and labor are wasted during disassembly and removal, the filter mechanism is caused to adsorb and accumulate a plurality of particle impurities and the like in the surface layer of the filter mechanism when the filter mechanism is used for long time, the filter mechanism is easy to block, the acquisition and filtration properties of the shale gas are affected, and the acquisition and filtration properties of the shale gas are poorer.

Disclosure of Invention

The invention mainly solves the technical problems existing in the prior art and provides an integrated normal-pressure shale gas drainage gas production and on-site treatment device.

In order to achieve the aim, the integrated normal-pressure shale gas drainage gas production and field treatment device comprises a plurality of bottom support mechanisms which are equidistantly arranged and a bearing mechanism which is fixedly arranged on the top of the bottom support mechanisms, wherein the bearing mechanism is of a rectangular structure, a collecting tank which can collect fuel gas inside the ground is arranged on the top of the bearing mechanism, the collecting tank is of a round internal hollow structure, an external arrangement bin is arranged inside the collecting tank, a sealing groove is arranged on the outer surface of the collecting tank, the sealing groove is of an arc groove shape, the sealing groove is communicated with the external arrangement bin inside the collecting tank, a sealing bin door which can be sealed is movably connected on one side surface of the interior of the sealing groove through a hinge, a fixed magnetic stripe is fixedly arranged on one side surface of the sealing bin door which is close to the interior of the sealing groove, the inside and outside of the collecting tank are provided with a gas-water separation device which can carry out gas-water separation on shale gas, the outer surface of the gas-water separation device is provided with an exhaust pipe, the outer surface of the gas-water separation device is provided with an operation groove which is arc-shaped, one side surface of the inside of the operation groove is movably connected with an operation door which can be in sealed connection with the inside of the operation groove through a hinge, the outer surface of the edge of the operation door is fixedly provided with a sealing pressing pad, the inner surface of the operation door is fixedly provided with two groups of connecting magnetic rings, the connecting magnetic rings are arc-shaped structures and are magnetic, the inside of the operation door is provided with two groups of placing ring blocks, the inside of each placing ring block is respectively provided with a first filtering mechanism and a second filtering mechanism which are different in self inside and hollow-out diameter, the outer surface of the gas-water separation device is fixedly provided with a fixing block, the fixed block is characterized in that a fixed rod is fixedly arranged on one side surface of the fixed block, connecting threads are formed on the outer surface of the fixed rod, a sleeving block which can be matched with the fixed rod is fixedly arranged on the outer surface of the control door, and a fastening spiral ring which can be used for fastening connection between the sleeving block and the fixed block is sleeved on the outer threads of the fixed rod.

Preferably, the control door is connected with the inside of the operation groove in a sealing way through a sealing pressing pad, an external round groove is formed in the sleeving block, and the sleeving block is connected with the outside of the fixing rod through connecting threads in a threaded way.

Preferably, the outer surface of one side of the collecting tank is fixedly provided with a connecting pipe which is connected with the inside of the collecting tank and is used for conveying fuel gas in a common way, one end of the conveying pipe away from the collecting tank is fixedly connected with a connecting pipe which can be communicated with the inside of the conveying pipe through a connecting sleeve, the inside of the connecting pipe is provided with a Z-shaped internal hollow structure, the inside of the connecting pipe is provided with a control valve which can control the conveying capacity in the connecting pipe, the outer surface of the collecting tank is fixedly provided with a plurality of conveying side pipes which can be mutually spliced and are used for draining water, the conveying side pipes are of round internal hollow structures, the bottom of the bearing mechanism is fixedly provided with a transfusion pipe which can penetrate through the ground to drain the accumulated liquid in the well, the surface of collection jar has the supplementary bench that can overturn and can assist the observation to maintainer through hinge swing joint, supplementary bench is the arc outward appearance, the surface fixed mounting of supplementary bench has and carries out driven drive to supplementary bench and draw the handle, the internal surface fixed mounting of supplementary bench has the ladder pedestal of a plurality of equidistance range, and the ladder pedestal is triangle-shaped structure, wherein one side fixed surface mounting of ladder pedestal has the staple piece of a plurality of equidistance range, and the staple piece is circular cubic, one of them side of ladder pedestal is provided with can with the pedal that the cooperation joint of ladder bench just can trample the use of maintainer.

Preferably, a plurality of jacks matched with the fixing nail blocks are formed in the pedal, a stop block is fixedly mounted on one side, close to the ladder stand, of the pedal, the stop block is rectangular and blocky, a binding belt capable of being inserted and bound with the foot of a maintainer is fixedly mounted on the top of the pedal, the binding belt is arc-shaped and elastic, a fastening pad is fixedly mounted in the jack, the fastening pad is annular and elastic, and the pedal is movably clamped with the fixing nail blocks on the ladder stand through the fastening pad on the inside of the jack.

Preferably, the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe are all provided with an inner anti-corrosion ring pad capable of conveying external fuel gas and protecting the inner walls of the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe, the inner anti-corrosion ring pad is in an annular pad shape, one end of the bearing mechanism is fixedly provided with a drainage pad cover capable of guiding the external fuel gas, the drainage pad cover is an oval inner hollow cover body, and one end of the inner anti-corrosion ring pad close to the drainage pad cover is fixedly provided with a built-in laminating cover pad matched with the drainage pad cover.

Preferably, the connecting sleeve, the connecting pipe and one end of the conveying side pipe, which is close to the drainage pad cover, are fixedly provided with a connecting ring, the connecting ring is of an annular structure, the outer surface of the connecting ring is provided with external threads, the inner wall surfaces of the conveying pipe, the connecting sleeve and the conveying side pipe are provided with internal threads, and one side surface of the external threads is fixedly provided with a sealing pad.

Preferably, a driving shaft is arranged in the infusion tube, a plurality of feeding blocks which are arranged in a surrounding mode at equal intervals and can stir and drive impurity particles in liquid discharged from the infusion tube are fixedly arranged on the outer surface of the driving shaft, and the feeding blocks are rectangular inclined blocks.

Preferably, the outer surface of the inner anti-corrosion ring pad is movably connected with the inner walls of the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe through movable bearings.

Preferably, the drainage pad cover and the inner part of the built-in laminating pad are mutually and adjacently connected together.

Preferably, the connecting ring is in threaded connection with the conveying pipe, the connecting sleeve and the internal threads inside the conveying side pipe through sealing gaskets on the external threads.

Advantageous effects

The invention provides an integrated normal-pressure shale gas drainage gas production and on-site treatment device. The beneficial effects are as follows:

(1) The integrated normal-pressure shale gas drainage gas production and on-site treatment device can collect, store and use shale gas in a shale crack base layer, when traditional shale gas is produced, the shale gas firstly needs to be separated, filtered and used through a separation step, at the moment, a gas-water separation device is needed, a natural gas-water separator is a separation operation realized by utilizing the interception effect of a filter medium on solid particles and liquid drops in gas, fine solid dust and liquid mist droplets in the gas can be separated, the separation precision is high, but the traditional gas-water separation filter device is arranged in the device, the filter device is generally integrated, the disassembly is time-consuming and labor-consuming, and the filter mechanism is used for filtering for a long time in the gas-water separation device, the surface layer of the filtering mechanism can adsorb and accumulate a plurality of particle impurities and the like, the filtering mechanism is easy to be blocked, the self-collection filterability of shale gas is affected, the self-collection purity of the shale gas is poor, the gas-water separation device in the collecting tank can carry out preliminary gas-water separation on the natural gas collected in the rock stratum, the first filtering mechanism and the second filtering mechanism in the gas-water separation device can cooperate with the external filtering mechanism to filter and convey the gas, when the gas-water separation device is used for a certain time, the sealing bin door can be opened from the collecting tank, the control door can be opened outside the gas-water separation device, after the fixing rod between the control door and the gas-water separation device is fastened and screwed, the control door can be directly opened from the operating groove, the filter mechanism inside the gas-water separation device directly moves to the outside of the gas-water separation device along with the control door, the first filter mechanism and the second filter mechanism are magnetically installed on the placement ring block and the connection magnetic ring, the control door is closed and sealed and fixed with the inside of the gas-water separation device again after the control door is detached again, and therefore the effects of guaranteeing the self cleanliness of the filter mechanism, improving the self-filtering performance of fuel gas and improving the self-purity of shale gas are achieved.

(2) When the auxiliary ladder stand on the collecting tank is used, gas in a rock stratum is pumped into the gas-water separation device in the collecting tank, the gas after the gas-water separation processing is gradually dehydrated and deoxidized through the built-in purifying device in the collecting tank to form dry gas for carrying out next conveying operation, the auxiliary ladder stand on the collecting tank can pull the auxiliary ladder stand through the driving pull handle, so that a plurality of groups of ladder stands on the inner side of the auxiliary ladder stand are turned to one side of the top, at the moment, maintenance personnel can stretch into the inside of the binding belt through the pedal on the ladder stand to be squeezed and bound with the binding belt, at the moment, the maintenance personnel can climb upwards through the clamping connection between a plurality of groups of jacks on the pedal and the fixed nail blocks on the ladder stand, at the moment, the maintenance personnel can be assisted to move through the clamping connection cooperation between the auxiliary ladder stand and the pedal, slipping is avoided, and the effect of assisting the maintenance personnel in climbing, observing and maintaining the safety of the maintenance personnel is ensured.

(3) This integration ordinary pressure shale gas drainage gas production and on-the-spot processing apparatus, when getting rid of winter, this collection jar is gone up the integral device and is maintained when using in other seasons, can take out the footboard on the ladder pedestal at this moment, and ladder pedestal bottom all is provided with multiunit staple block at this moment, and the personnel is when removing through the staple block on the ladder pedestal, multiunit staple block self also can promote the frictional force between maintainer foot and the supplementary bench to reach the effect that improves self stability between maintainer and the supplementary bench.

(4) The integrated normal-pressure shale gas drainage gas production and on-site treatment device comprises a collection tank, a purification device, a pressurizing device, an external pressure valve body, a conveying pipe, a connecting pipe and a conveying side pipe, wherein the inside of the collection tank is dehydrated and deoxidized by the purification device, the purified dry gas is pressurized by the internal pressurizing device of the collection tank to carry out next-step conveying on the pressurized gas, the external pressure valve body on the conveying pipe can detect the pressure value of the pressurized gas so as to record conveniently, when the gas and the accumulated liquid are collected and discharged, the conveying pipe, the connecting pipe and the conveying side pipe can carry out corrosion damage on the inner walls of the conveying pipe, the connecting pipe and the conveying side pipe when the inside of the conveying pipe is contacted with the gas and the accumulated liquid for a long time, the conveying pipe, the connecting pipe and the conveying side pipe are internally provided with an internal corrosion-proof ring pad, the anti-corrosion ring pad in every two groups is provided with a drainage pad cover and a built-in laminating cover pad, when the conveying pipe and the connecting sleeve are spliced and installed, the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe can be spliced with the built-in laminating cover pad through the drainage pad cover, the drainage pad cover is of an oval structure and is convenient to convey and guide, at the moment, the internal anti-corrosion ring pad, the drainage pad cover and the built-in laminating cover pad can isolate fuel gas, accumulated liquid and the like, and the internal wall of the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe are prevented from being directly contacted, so that the effect of prolonging the service lives of the conveying pipe, the connecting sleeve, the connecting pipe and the conveying side pipe is achieved.

(5) This integration ordinary pressure shale gas drainage adopts gas and on-the-spot processing apparatus, after carrying out mutual concatenation laminating through interior anticorrosive ring pad between conveyer pipe, adapter sleeve, connecting pipe and the conveying side pipe, drainage pad cover and built-in laminating pad, at this moment, can carry out sealing connection through the go-between with conveyer pipe through the go-between and adapter sleeve and connecting pipe, the inside internal thread of adapter sleeve, connecting pipe and conveying side pipe, avoid revealing, this conveyer pipe, adapter sleeve, connecting pipe and conveying side pipe inside movable bearing can promote interior anticorrosive ring pad and rotate, and the external screw thread outside is provided with sealed the pad, at this moment the go-between is connected with conveyer pipe through the sealed pad on the external screw thread, adapter sleeve, connecting pipe and conveying side pipe inside internal thread, sealed pad self alright promote conveyer pipe, adapter sleeve, connecting pipe and conveying side pipe between fixed leakproofness, thereby reach the effect that improves conveyer pipe, adapter sleeve, connecting pipe and conveying side pipe self leakproofness.

(6) This integrated normal pressure shale gas drainage gas production and on-the-spot processing apparatus, the transfer line of this collection jar bottom can cooperate outside one-way feed liquor valve to discharge the hydrops and use, but the hydrops is when carrying out the removal through the transfer line inside when discharging through the transfer line, granule impurity is carried out the jam in the transfer line inside easily and is influenced the hydrops and discharge, at this moment this transfer line inside drive shaft on multiunit feed block when rotatory along with drive shaft and hydrops contact, multiunit feed block just can stir the hydrops impurity granule in the transfer line inside along with the drive shaft is rotatory, promote the hydrops and carry, thereby reach and improve in-well hydrops conveying efficiency, avoid influencing the effect of gas collection.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below. It will be apparent to those skilled in the art from this disclosure that the drawings described below are merely exemplary and that other embodiments may be derived from the drawings provided without undue effort.

The structures, proportions, sizes, etc. shown in the present specification are shown only for the purposes of illustration and description, and are not intended to limit the scope of the invention, which is defined by the claims, so that any structural modifications, changes in proportions, or adjustments of sizes, which do not affect the efficacy or the achievement of the present invention, should fall within the ambit of the technical disclosure.

FIG. 1 is a schematic diagram of the overall structure of the present invention;

FIG. 2 is a partial schematic view of a gas-water separation device of the present invention;

FIG. 3 is an enlarged view of D of FIG. 1 in accordance with the present invention;

FIG. 4 is a partial schematic view of an auxiliary landing of the present invention;

FIG. 5 is an enlarged view of FIG. 4A in accordance with the present invention;

FIG. 6 is a partial schematic view of a delivery tube according to the present invention;

FIG. 7 is an enlarged view of B of FIG. 6 in accordance with the present invention;

FIG. 8 is a partial schematic view of a delivery side tube according to the present invention;

FIG. 9 is a partial schematic view of a connecting ring according to the present invention;

FIG. 10 is an enlarged view of C of FIG. 9 in accordance with the present invention;

FIG. 11 is a schematic view of a portion of a feed block according to the present invention.

Legend description:

1. a bottom support mechanism; 2. a carrying mechanism; 3. a collection tank; 4. a delivery tube; 5. a connection sleeve; 6. a connecting pipe; 7. a control valve; 8. a delivery side tube; 9. an infusion tube; 10. a hinge; 11. an auxiliary landing; 12. Driving the pull handle; 13. a ladder stand; 14. fixing the nail block; 15. a pedal; 16. a jack; 17. a stop block; 18. A strap; 19. a fastening pad; 20. a support frame; 21. an inner anti-corrosion ring pad; 22. a drainage pad cover; 23. a built-in laminating cover pad is arranged; 24. a movable bearing; 25. a connecting ring; 26. an external thread; 27. an internal thread; 28. a sealing gasket; 29. a drive shaft; 30. a feed block; 31. sealing grooves; 32. sealing the bin gate; 33. fixing a magnetic stripe; 34. a gas-water separation device; 35. an exhaust pipe; 36. an operation groove; 37. a control door; 38. sealing and pressing the pad; 39. connecting a magnetic ring; 40. placing a ring block; 41. a first filtering mechanism; 42. a second filtering mechanism; 43. A fixed block; 44. a fixed rod; 45. a connecting thread; 46. a sleeve joint block; 47. tightening the spiral ring.

Detailed Description

The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

Examples: the integrated normal pressure shale gas drainage gas production and on-site treatment device comprises a plurality of equidistant bottom support mechanisms 1 and bearing mechanisms 2 fixedly arranged on the tops of the bottom support mechanisms 1, wherein the bearing mechanisms 2 are of rectangular structures, the tops of the bearing mechanisms 2 are provided with collecting tanks 3 which can collect fuel gas in the ground, the collecting tanks 3 are of round hollow structures in the interiors, the outer surfaces of one sides of the collecting tanks 3 are fixedly provided with connecting pipes 6 which are connected with the interiors of the collecting tanks 3 and are commonly used for conveying fuel gas conveying pipes 4, one ends of the conveying pipes 4 far away from the collecting tanks 3 are fixedly connected with connecting pipes 6 which can be communicated with the interiors of the conveying pipes 4 through connecting sleeves 5, the interiors of the connecting pipes 6 are provided with control valves 7 which can control conveying capacity in the interiors of the connecting pipes 6, the outer surface of the collection tank 3 is fixedly provided with a plurality of conveying side pipes 8 which can be mutually spliced and installed and are used for draining, the conveying side pipes 8 are of a round inner hollow structure, the bottom of the bearing mechanism 2 is fixedly provided with a transfusion pipe 9 which can penetrate through the ground to drain accumulated liquid in the well, the outer surface of the collection tank 3 is movably connected with an auxiliary ladder table 11 which can be overturned and can assist maintenance personnel in observing through a hinge 10, the auxiliary ladder table 11 is of an arc-shaped appearance, the outer surface of the auxiliary ladder table 11 is fixedly provided with a driving pull handle 12 which drives the auxiliary ladder table 11, the inner surface of the auxiliary ladder table 11 is fixedly provided with a plurality of ladder table seats 13 which are arranged at equal intervals, the ladder table seats 13 are of a triangle structure, one side surface of the ladder table seats 13 is fixedly provided with a plurality of fixed nail blocks 14 which are arranged at equal intervals, the fixed nail blocks 14 are of round blocks, one side of the ladder stand 13 is provided with a pedal 15 which can be clamped with the ladder stand 13 in a matched manner and can be used by being matched with a maintainer for trampling, a plurality of insertion holes 16 matched with the fixed nail blocks 14 are formed in the pedal 15, one side of the pedal 15 close to the ladder stand 13 is fixedly provided with a stop block 17, the stop block 17 is rectangular block-shaped, the top of the pedal 15 is fixedly provided with a binding belt 18 which can be inserted and bound with the foot of the maintainer, the binding belt 18 is arc-shaped and has elasticity, the inside of the insertion hole 16 is fixedly provided with a fastening pad 19, the fastening pad 19 is annular and has elasticity, the pedal 15 is movably clamped with the fixed nail blocks 14 on the ladder stand 13 through the fastening pad 19 on the inside of the insertion hole 16, the inner anti-corrosion ring cushion 21 which can carry external fuel gas and protect the inner walls of the conveying pipe 4, the connecting pipe 5, the connecting pipe 6 and the conveying side pipe 8 is arranged inside the conveying pipe 4, the connecting pipe 5, the connecting pipe 6 and the conveying side pipe 8, the inner anti-corrosion ring cushion 21 is in a ring cushion shape, a drainage cushion cover 22 which can guide the external fuel gas is fixedly arranged at one end of the bearing mechanism 2, the drainage cushion cover 22 is an oval inner hollow cover body, a built-in attaching cover cushion 23 which is matched with the drainage cushion cover 22 is fixedly arranged inside one end of the group of inner anti-corrosion ring cushion 21 close to the drainage cushion cover 22, the inner attaching cover 22 and the built-in attaching cover 23 are mutually attached and connected, the outer surface of the inner anti-corrosion ring cushion 21 is movably connected with the inner walls of the conveying pipe 4, the connecting pipe 5, the connecting pipe 6 and the conveying side pipe 8 through a movable bearing 24, one end of the connecting pipe 5, the connecting pipe 6 and the conveying side pipe 8 close to the drainage cushion cover 22 is fixedly provided with a connecting ring 25, the connecting ring 25 is of an annular structure, the outer surface of the connecting ring 25 is provided with external threads 26, the inner wall surfaces of the conveying pipe 4, the connecting sleeve 5 and the conveying side pipe 8 are provided with internal threads 27, one side surface of the external threads 26 is fixedly provided with a sealing gasket 28, the connecting ring 25 is connected with the conveying pipe 4, the connecting sleeve 5 and the internal threads 27 in the conveying side pipe 8 through the sealing gasket 28 on the external threads 26, the inside of the conveying pipe 9 is provided with a driving shaft 29, the outer surface of the driving shaft 29 is fixedly provided with a plurality of feeding blocks 30 which are arranged in a surrounding type at equal intervals and can stir and drive impurity particles in the liquid discharged from the inside of the conveying pipe 9, the feeding blocks 30 are rectangular inclined blocks, the inside of the collecting tank 3 is provided with an external placement bin, the outer surface of the collecting tank 3 is provided with a sealing groove 31, the sealing groove 31 is of an arc groove shape, the sealing groove 31 is communicated with an external placement bin inside the collecting tank 3, a sealing bin door 32 capable of sealing is movably connected to one side surface inside the sealing groove 31 through a hinge, a fixed magnetic strip 33 is fixedly arranged on one side surface, close to the sealing groove 31, of the sealing bin door 32, a gas-water separation device 34 capable of separating shale gas into gas and water is arranged on the external placement bin inside the collecting tank 3, an exhaust pipe 35 is arranged on the outer surface of the gas-water separation device 34, an operation groove 36 is formed on the outer surface of the gas-water separation device 34, the operation groove 36 is arc-shaped, an operation door 37 capable of sealing and connecting the inside of the operation groove 36 is movably connected to one side surface inside the operation groove 36 through a hinge, a sealing pressing pad 38 is fixedly arranged on the outer surface of the edge of the operation door 37, the operation door 37 is connected with the inside of the operation groove 36 through the sealing pressing pad 38 in a sealing manner, the inner surface of the control door 37 is fixedly provided with two groups of connecting magnetic rings 39, the connecting magnetic rings 39 are of arc structures, the connecting magnetic rings 39 are magnetic, the inside of the control door 37 is provided with two groups of placing ring blocks 40, the inside of each group of placing ring blocks 40 is respectively provided with a first filtering mechanism 41 and a second filtering mechanism 42 which are different in filtering hollow diameters, the outer surface of the gas-water separation device 34 is fixedly provided with a fixed block 43, one side surface of the fixed block 43 is fixedly provided with a fixed rod 44, the outer surface of the fixed rod 44 is provided with connecting threads 45, the outer surface of the control door 37 is fixedly provided with a sleeving block 46 which can be matched with the fixed rod 44, the inside of the sleeving block 46 is provided with an external circular groove, the sleeving block 46 is in threaded connection with the outside of the fixed rod 44 through the connecting threads 45, and the external threads of the fixed rod 44 are sleeved with a fastening spiral ring 47 which can be used for fastening connection between the sleeving block 46 and the fixed block 43.

The working principle of the invention is as follows:

the gas-water separation device 34 in the collecting tank 3 can carry out preliminary gas-water separation on natural gas collected in the rock stratum, the first filtering mechanism 41 and the second filtering mechanism 42 in the gas-water separation device 34 can be matched with an external filtering mechanism to carry out filtering and conveying on the gas, the gas after the gas-water separation processing is carried out on the gas in the rock stratum by the gas-water separation device 34 in the collecting tank, the gas after the gas-water separation processing is gradually dehydrated and deoxidized by the built-in purifying device in the collecting tank 3 to form dry gas for carrying out the next conveying operation, the auxiliary ladder stand 11 on the collecting tank 3 can firstly pull the auxiliary ladder stand 11 by driving the pull handle 12, so that a plurality of groups of ladder stands 13 on the inner side of the auxiliary ladder stand 11 are overturned to the top side, at the moment, maintenance personnel can extend feet into the inside of the binding belt 18 to be in extrusion connection with the binding belt 18 by the pedal 15 on the ladder stand 13, at this time, maintenance personnel can climb upwards through the clamping connection between a plurality of groups of jacks 16 on the pedal 15 and the fixed nail blocks 14 on the bench seat 13, at this time, the maintenance personnel can assist the maintenance personnel to move through the clamping connection cooperation between the auxiliary bench 11 and the pedal 15, slipping is avoided, thereby assisting the maintenance personnel to climb and observe and maintain, the safety of the maintenance personnel is ensured, after the inside of the collection tank 3 is dehydrated and deoxidized through the purification device, the purified dry gas is pressurized through the built-in pressurizing device of the collection tank 3 to carry out the next step of conveying the pressurized gas again, and the external pressure valve body on the conveying pipe can detect the self air pressure value of the pressurized gas so as to be convenient for recording, the inner anti-corrosion ring gaskets 21 are arranged inside the conveying pipe 4, the connecting sleeve 5, the connecting pipe 6 and the conveying side pipe 8, the two sets of inner anti-corrosion ring gaskets 21 are provided with a drainage gasket cover 22 and a built-in laminating cover gasket 23, when the conveying pipe 4, the connecting sleeve 5 and the connecting pipe 6 are spliced and installed, the conveying pipe 4, the connecting sleeve 5, the connecting pipe 6 and the conveying side pipe 8 can be spliced with the built-in laminating cover gasket 23 through the drainage gasket cover 22, the drainage gasket cover 22 is of an oval structure, conveying guidance is facilitated, at the moment, the inner anti-corrosion ring gaskets 21, the drainage gasket cover 22 and the built-in laminating cover gasket 23 can isolate fuel gas, accumulated liquid and the like, and the inner walls of the conveying pipe 4, the connecting sleeve 5, the connecting pipe 6 and the conveying side pipe 8 are prevented from being directly contacted, so that the service lives of the conveying pipe 4, the connecting sleeve 5, the connecting pipe 6 and the conveying side pipe 8 are prolonged.

The foregoing has shown and described the basic principles and main features of the present invention and the advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present invention, and various changes and modifications may be made without departing from the spirit and scope of the invention, which is defined in the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. Integration normal pressure shale gas drainage gas production and on-site treatment device, including backing support mechanism (1) and fixed mounting on backing support mechanism (1) top bear mechanism (2), the top of bearing mechanism (2) is provided with collection jar (3), its characterized in that: the inside of collection jar (3) is provided with outside arrangement storehouse, seal groove (31) have been seted up to the surface of collection jar (3), seal groove (31) communicate each other with the inside outside arrangement storehouse of collection jar (3), inside one side surface of seal groove (31) has sealed bin door (32) through hinge swing joint, sealed bin door (32) are close to the equal fixed magnetic stripe (33) of fixed mounting of inside one side surface of seal groove (31), the inside outside arrangement storehouse of collection jar (3) is provided with gas-water separation device (34) that can carry out the gas-water separation to shale gas and use, the surface of gas-water separation device (34) is provided with blast pipe (35), the surface of gas-water separation device (34) has been seted up and has been operated groove (36), inside wherein one side surface has through hinge swing joint can be to the inside sealed control door (37) of operation groove (36), the edge surface fixed mounting who controls door (37) has sealed pad (38), the inside surface fixed mounting who controls door (37) has two sets of magnet rings (40) and two sets of magnet rings (40) are connected, two sets of filter rings (40) are inside and are placed respectively and are filtered mechanism (42), the outer surface of the gas-water separation device (34) is fixedly provided with a fixed block (43), one side surface of the fixed block (43) is fixedly provided with a fixed rod (44), the outer surface of the fixed rod (44) is provided with a connecting thread (45), the outer surface of the control door (37) is fixedly provided with a sleeve joint block (46), and the outer thread of the fixed rod (44) is sleeved with a fastening spiral ring (47);

the automatic gas collecting device is characterized in that a conveying pipe (4) which is connected with the inside of the collecting tank (3) and is used for conveying fuel gas is fixedly arranged on the outer surface of one side of the collecting tank (3), one end of the conveying pipe (4) away from the collecting tank (3) is fixedly connected with a connecting pipe (6) through a connecting sleeve (5), a control valve (7) is arranged in the connecting pipe (6), conveying side pipes (8) which can be mutually spliced and installed are fixedly arranged on the outer surface of the collecting tank (3), a transfusion pipe (9) which can penetrate through the ground and discharge accumulated liquid in a well is fixedly arranged on the bottom of the bearing mechanism (2), an auxiliary bench (11) which can assist maintenance personnel in observing is movably connected with the outer surface of the collecting tank (3) through a hinge (10), a driving pull handle (12) which drives the auxiliary bench (11) is fixedly arranged on the outer surface of the auxiliary bench (11), a fixing nail block (14) is fixedly arranged on the inner surface of the auxiliary bench (11), and a pedal (13) is fixedly arranged on one side of the auxiliary bench (13), and a pedal (15) can be matched with the pedal (15) to enable maintenance personnel to perform maintenance;

the inside of the pedal (15) is provided with a jack (16), one side of the pedal (15) close to the ladder stand (13) is fixedly provided with a stop block (17), the top of the pedal (15) is fixedly provided with a binding belt (18) which can be inserted and bound with the foot of a maintainer, the inside of the jack (16) is fixedly provided with a fastening pad (19), and the pedal (15) is movably clamped with a fixed nail block (14) on the ladder stand (13) through the fastening pad (19) on the inside of the jack (16);

the inner anti-corrosion protection device is characterized in that the conveying pipe (4), the connecting sleeve (5), the connecting pipe (6) and the conveying side pipe (8) are respectively provided with an inner anti-corrosion ring pad (21) which can carry out anti-corrosion protection on the inner walls of the conveying pipe (4), the connecting sleeve (5), the connecting pipe (6) and the conveying side pipe (8), one end of the bearing mechanism (2) is fixedly provided with a drainage pad cover (22) which can guide external fuel gas, and one end of the inner anti-corrosion ring pad (21) close to the drainage pad cover (22) is fixedly provided with a built-in laminating pad (23) which is matched with the drainage pad cover (22).

2. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 1, wherein: the control door (37) is connected with the inside of the operation groove (36) in a sealing way through a sealing pressing pad (38), an outer round groove is formed in the sleeve joint block (46), and the sleeve joint block (46) is connected with the outside of the fixing rod (44) in a threaded way through a connecting thread (45).

3. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 1, wherein: the connecting sleeve (5), the connecting pipe (6) and one end of the conveying side pipe (8) close to the drainage pad cover (22) are fixedly provided with a connecting ring (25), the outer surface of the connecting ring (25) is provided with an external thread (26), the inner wall surfaces of the conveying pipe (4), the connecting sleeve (5) and the conveying side pipe (8) are provided with an internal thread (27), and one side surface of the external thread (26) is fixedly provided with a sealing pad (28).

4. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 1, wherein: the inside of transfer line (9) is provided with drive shaft (29), the surface fixed mounting of drive shaft (29) is encircling equidistant range and can carry out stirring drive's feeding block (30) to the impurity granule in the inside discharge liquid of transfer line (9), and feeding block (30) are rectangle slope cubic.

5. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 1, wherein: the outer surface of the inner anti-corrosion ring pad (21) is movably connected with the inner walls of the conveying pipe (4), the connecting sleeve (5), the connecting pipe (6) and the conveying side pipe (8) through movable bearings (24).

6. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 1, wherein: the drainage pad cover (22) is mutually attached and connected with the inside of the built-in attaching pad (23).

7. The integrated atmospheric shale gas drainage gas production and on-site treatment device according to claim 3, wherein: the connecting ring (25) is in threaded connection with the conveying pipe (4), the connecting sleeve (5) and the internal threads (27) inside the conveying side pipe (8) through a sealing gasket (28) on the external threads (26).