CN115434684B - Air displacement device for oil shale fracturing - Google Patents
Air displacement device for oil shale fracturing Download PDFInfo
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- CN115434684B CN115434684B CN202211053779.4A CN202211053779A CN115434684B CN 115434684 B CN115434684 B CN 115434684B CN 202211053779 A CN202211053779 A CN 202211053779A CN 115434684 B CN115434684 B CN 115434684B
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- rigid coupling
- fixedly connected
- shell
- column
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- 239000004058 oil shale Substances 0.000 title claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 37
- 238000010438 heat treatment Methods 0.000 claims abstract description 83
- 238000004140 cleaning Methods 0.000 claims abstract description 43
- 238000001914 filtration Methods 0.000 claims abstract description 43
- 238000003756 stirring Methods 0.000 claims abstract description 40
- 230000008878 coupling Effects 0.000 claims description 91
- 238000010168 coupling process Methods 0.000 claims description 91
- 238000005859 coupling reaction Methods 0.000 claims description 91
- 230000002457 bidirectional effect Effects 0.000 claims description 13
- 238000009434 installation Methods 0.000 claims description 13
- 230000003014 reinforcing effect Effects 0.000 claims description 13
- 230000000087 stabilizing effect Effects 0.000 claims description 7
- 230000001105 regulatory effect Effects 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 230000005540 biological transmission Effects 0.000 claims description 4
- 239000011148 porous material Substances 0.000 claims description 4
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000000712 assembly Effects 0.000 abstract 1
- 238000000429 assembly Methods 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 19
- 238000002347 injection Methods 0.000 description 15
- 239000007924 injection Substances 0.000 description 15
- 230000001681 protective effect Effects 0.000 description 7
- 239000003245 coal Substances 0.000 description 4
- 238000011084 recovery Methods 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 239000002956 ash Substances 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 238000005457 optimization Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 241000195493 Cryptophyta Species 0.000 description 2
- 238000000605 extraction Methods 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 239000003208 petroleum Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 241000195628 Chlorophyta Species 0.000 description 1
- 230000004308 accommodation Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000010883 coal ash Substances 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008187 granular material Substances 0.000 description 1
- 229910052500 inorganic mineral Inorganic materials 0.000 description 1
- 239000011707 mineral Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000003079 shale oil Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009423 ventilation Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/25—Methods for stimulating production
- E21B43/26—Methods for stimulating production by forming crevices or fractures
- E21B43/2605—Methods for stimulating production by forming crevices or fractures using gas or liquefied gas
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/10—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces
- B01D46/12—Particle separators, e.g. dust precipitators, using filter plates, sheets or pads having plane surfaces in multiple arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/68—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements
- B01D46/681—Regeneration of the filtering material or filter elements inside the filter by means acting on the cake side involving movement with regard to the filter elements by scrapers, brushes or the like
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/166—Injecting a gaseous medium; Injecting a gaseous medium and a liquid medium
- E21B43/168—Injecting a gaseous medium
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21B—EARTH DRILLING, e.g. DEEP DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
- E21B43/00—Methods or apparatus for obtaining oil, gas, water, soluble or meltable materials or a slurry of minerals from wells
- E21B43/16—Enhanced recovery methods for obtaining hydrocarbons
- E21B43/24—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection
- E21B43/241—Enhanced recovery methods for obtaining hydrocarbons using heat, e.g. steam injection combined with solution mining of non-hydrocarbon minerals, e.g. solvent pyrolysis of oil shale
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH DRILLING; MINING
- E21C—MINING OR QUARRYING
- E21C41/00—Methods of underground or surface mining; Layouts therefor
- E21C41/16—Methods of underground mining; Layouts therefor
- E21C41/24—Methods of underground mining; Layouts therefor for oil-bearing deposits
Abstract
The application discloses an air displacement device for oil shale fracturing, which comprises a pretreatment structure, wherein the pretreatment structure comprises a supporting plate, the top of the supporting plate is fixedly connected with a heating shell, a stirring assembly is arranged at the inner cavity of the heating shell, the inner wall of the heating shell is fixedly connected with a heater, a heating pipe is arranged at the inner cavity of the heating shell, the top and the bottom of the heating pipe are fixedly connected with anti-shaking plates, the anti-shaking plates are fixedly connected with the inner wall of the heating shell, one end of the heating pipe is fixedly connected with an air extracting pump, the other end of the heating pipe is fixedly connected with a filtering shell, the filtering shell is fixedly connected with the top of the supporting plate, a coarse filter screen, a middle filter screen and a fine filter screen are sequentially fixedly connected at the inner cavity of the filtering shell from bottom to top, and cleaning assemblies are arranged at the bottoms of the coarse filter screen, the middle filter screen and the fine filter screen. The application has the advantages that: an air displacement device for oil shale fracturing is provided, which is convenient to filter, heat, adjust and support stably.
Description
Technical Field
The application relates to an air displacement device, in particular to an air displacement device for oil shale fracturing.
Background
Oil shale (also called oil shale) is a high ash sedimentary rock containing combustible organic matters, the main difference between the oil shale and coal is that the ash content exceeds 40%, the main difference between the oil shale and carbonaceous shale is that the oil content is more than 3.5%, the oil shale belongs to unconventional oil and gas resources, the oil shale is regarded as a very important substitute energy source in the 21 st century with the feasibility of rich resources and development and utilization, the oil shale is a non-renewable fossil energy source like petroleum, natural gas and coal, the oil shale is also called oil shale, is a sapropel substance formed by lower plants and minerals under the deep water reduction condition of inland lake sea or coastal lake, the sapropel coal is the sapropel coal with high ash content, the sapropel coal ash content is 50% -70% and the shale oil similar to natural petroleum, and the original organic substance of the oil shale is mainly sourced from lower plankton such as algae, green algae and yellow algae.
At present, air displacement recovery is generally adopted when oil shale is mined, but the existing air displacement device is inconvenient to filter, heat and the like air, dust particles contained in the air are easy to damage an oilfield gas injection string, recovery ratio is also influenced when the temperature of the air is low, and the oil shale is inconvenient to recover.
Disclosure of Invention
In order to solve the not enough of prior art, utilize pretreatment structure can filter, heat, compress the air, be convenient for carry out the air displacement to oil shale, solved the not fragile oil field gas injection tubular column's of dust etc. in the air problem, the oil shale of being convenient for splits, the oil shale of being convenient for gathers, and can clean coarse filter screen, well filter screen and fine filter screen through clean subassembly, prevent to block up and influence the use.
More in order to solve the problem among the prior art, utilize adjusting structure can adjust the position of installation tube, be convenient for install tube and oilfield gas injection tubular column's connection, solved the problem that air displacement device is inconvenient for oilfield gas injection tubular column to connect, easy operation is convenient for air displacement device's use.
Further in order to solve the problem among the prior art, utilize bearing structure can make air displacement device more stable when using, solved the easy problem that takes place to slide and influence the gas injection when air displacement device uses, the injection of the air of being convenient for is convenient for, exploitation of oil shale.
The utility model provides an air displacement device for oil shale splits, includes pretreatment structure, pretreatment structure includes backup pad, heating casing, heater, heating pipe, prevents shaking board, aspiration pump, filtering casing, coarse filter screen, well filter screen and thin filter screen, backup pad top rigid coupling heating casing, heating casing inner chamber department is provided with stirring subassembly, heating casing inner wall rigid coupling heater, heating casing inner chamber department is provided with the heating pipe, heating pipe top and bottom all rigid coupling have prevents shaking the board, prevent shaking the board rigid coupling in heating casing inner wall, heating pipe one end rigid coupling has the aspiration pump, the heating pipe other end rigid coupling has the filtering casing, the filtering casing rigid coupling is in the backup pad top, filtering casing inner chamber department from last rigid coupling in proper order has coarse filter screen, well filter screen and thin filter screen, coarse filter screen, well filter screen and thin filter screen bottom are provided with cleaning subassembly.
Further, add the pipe subassembly is installed at heating casing top, the exhaust pipe subassembly is installed openly to the heating casing, first fixed orifices has been seted up to heating casing one side, the second fixed orifices has been seted up to heating casing opposite side, the mounting hole has been seted up to one side that the filtering shell is close to the heating casing, heating pipe one end runs through first fixed orifices and rigid coupling in the entrance point of air pump, the heating pipe other end runs through second fixed orifices and mounting hole and extends to filtering shell inner chamber department.
Further, stirring subassembly is including installation casing, drive sprocket, drive chain, agitator motor, (mixing) shaft and stirring leaf, installation casing rigid coupling is in heating housing top, installation casing inner chamber department is provided with four drive sprocket that are rectangular structure and distribute, drive sprocket side meshing is connected drive chain, four drive sprocket passes through drive chain transmission and is connected, and one of them drive sprocket rigid coupling is in agitator motor's output, agitator motor rigid coupling is in installation casing inner chamber top, drive sprocket bottom rigid coupling (mixing) shaft, (mixing) shaft surface rigid coupling has a plurality of stirring leaf, four rotation holes that are rectangular structure and distribute are seted up to heating housing top surface, the (mixing) shaft bottom runs through the rotation hole and extends to heating housing inner chamber department.
Further, clean subassembly includes protective housing, clean motor, main sprocket, connecting chain, vice sprocket, first screw thread post, clean board, spacing post, fixed casing, supporting spring, limiting plate, spliced pole, mounting panel and cleaning brush, protective housing rigid coupling is in the filtration casing back, protective housing inner chamber lateral wall rigid coupling clean motor, the output rigid coupling main sprocket of clean motor, main sprocket upside and downside all mesh are connected with the connecting chain, the connecting chain mesh is connected in vice sprocket side, main sprocket and vice sprocket one side all rigid coupling have first screw thread post, first screw thread post surface threaded connection has the clean board, clean board and spacing post surface sliding connection, spacing post rigid coupling is in filtration casing inner chamber lateral wall, clean board top rigid coupling fixed casing, fixed casing inner chamber bottom rigid coupling supporting spring, supporting spring top rigid coupling limiting plate, spacing board top rigid coupling spliced pole, spliced pole top rigid coupling mounting panel, mounting panel top rigid coupling cleaning brush.
Further, the main chain is formed by two fixed sprocket of rigid coupling, and two fixed sprocket side all rigid coupling has the connection chain, three equidistant clean hole that distributes have been seted up to filtration casing one side, first screw thread post one end runs through clean hole and rotates to connect in filtration casing inner chamber lateral wall, the filtration casing is kept away from one side of heating casing and is articulated to have the clearance door, a plurality of evenly distributed's air vent has been seted up to filtration casing one side.
Further, the filter shell inner chamber lateral wall rigid coupling has a plurality of spacing post, two symmetrical distribution's spacing hole has been seted up to the cleaning board, spacing post one end runs through spacing hole and rigid coupling in filter shell inner chamber lateral wall, fixed shell inner chamber bottom rigid coupling has a plurality of equidistance distributed's supporting spring, limiting board top rigid coupling has a plurality of equidistance distributed's spliced pole, a plurality of equidistance distributed's intercommunicating pore has been seted up to fixed shell top surface, the spliced pole top runs through the intercommunicating pore and extends to fixed shell top.
Further, including adjusting the structure, adjust the structure and include air compressor, first connecting pipe, second connecting pipe, fixed pipe, install tube, regulating plate, slip post, slip plate, second screw thread post, accommodate motor, regulation casing and reference column, air compressor rigid coupling is in the backup pad top, air compressor top rigid coupling has the aspiration pump, the exit end rigid coupling first connecting pipe of aspiration pump, first connecting pipe and air compressor rigid coupling, air compressor one side rigid coupling second connecting pipe, second connecting pipe one end rigid coupling fixed pipe, fixed pipe one end rigid coupling install tube, fixed pipe top rigid coupling has the regulating plate, regulating plate top rigid coupling slip post, slip post top rigid coupling slip plate, slip plate and second screw thread post surface threaded connection, second screw thread post one end rigid coupling is in accommodate motor's output, accommodate motor rigid coupling is in accommodation casing one side, accommodate casing inner chamber lateral wall rigid coupling reference column, reference column surface and slip plate sliding connection.
Further, two symmetrically distributed locating posts are fixedly connected to the side wall of the inner cavity of the adjusting shell, two symmetrically distributed locating holes are formed in the sliding plate, one end of each locating post penetrates through the locating holes and is fixedly connected to the side wall of the inner cavity of the adjusting shell, a preset hole is formed in one side of the adjusting shell, one end of each second threaded post penetrates through the preset hole and is rotatably connected to the side wall of the inner cavity of the adjusting shell, two symmetrically distributed adjusting ports are formed in the bottom of the adjusting shell, two symmetrically distributed sliding posts are fixedly connected to the bottom of the sliding plate, the bottom end of each sliding post penetrates through the adjusting ports and extends to the lower portion of the adjusting shell, two symmetrically distributed vertical plates are fixedly connected to the bottom of the adjusting shell, and the vertical plates are fixedly connected to the top of the supporting plate.
Further, including bearing structure, bearing structure includes slip wheelset, supporting housing, supporting sprocket, supporting chain, stable motor, two-way screw thread post, movable plate, spliced pole, adjusting column, mounting bracket, antiskid ribbed tile, fixed column, fixed plate, accessory plate, magnet piece and fixed cone, the equal rigid coupling in backup pad bottom four corners department has the slip wheelset, backup pad bottom rigid coupling supporting housing, supporting housing inner chamber department is provided with two symmetrically distributed's supporting sprocket, supporting sprocket side meshing connection supporting chain, two supporting sprocket passes through supporting chain transmission and connects, and one of them supporting sprocket rigid coupling has two-way screw thread post in stable motor's output, supporting sprocket one side rigid coupling has two-way screw thread post, two-way screw thread post surface threaded connection has the movable plate, movable plate and spliced pole surface sliding connection, the spliced pole rigid coupling is in supporting housing one side, the movable plate below is provided with the adjusting column, the equal rotation in adjusting column both ends is connected with the mounting bracket, is located the mounting bracket rigid coupling in the movable plate bottom, is located the below the rigid coupling is in the antiskid ribbed tile top, the top rigid coupling has the auxiliary plate, top rigid coupling has the fixed plate, accessory plate surface rigid coupling has a plurality of accessory plate, fixed plate bottom fixedly connected with the fixed plate.
Further, two symmetrically distributed mounting holes are formed in one side of the support shell, one end of the bidirectional threaded column penetrates through the mounting holes and is rotationally connected to one side of the side plate, the side plate is fixedly connected to the bottom of the support plate, two symmetrically distributed reinforcing columns are fixedly connected to one side of the support shell, two symmetrically distributed deflection preventing holes are formed in the movable plate, one end of each reinforcing column penetrates through the deflection preventing holes and is fixedly connected to one side of the side plate, two symmetrically distributed movable plates are connected to the surface of the bidirectional threaded column through threads, two symmetrically distributed fixing plates are arranged above the antiskid plate, two symmetrically distributed fixing columns are fixedly connected to the bottom of the fixing plate, and a plurality of communication holes are formed in the antiskid plate.
The application has the advantages that
1. The application can filter, heat and compress air by utilizing the pretreatment structure, is convenient for air displacement of the oil shale, is convenient for oil shale to crack, is convenient for oil shale to be collected, and can clean a coarse filter screen, a middle filter screen and a fine filter screen by the cleaning component, thereby preventing blockage from affecting use;
2. the application can adjust the position of the mounting tube by utilizing the adjusting structure, is convenient for connecting the mounting tube with the oilfield gas injection tube column, has simple operation and is convenient for using the air displacement device;
3. the application utilizes the supporting structure to make the air displacement device more stable in use, is convenient for air injection and is convenient for exploitation of oil shale.
Drawings
In order to more clearly illustrate the embodiments of the application or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the application, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.
FIG. 1 is a schematic perspective view of an air displacement device for oil shale fracturing in accordance with one embodiment of the present application;
FIG. 2 is a schematic view of the internal structure of the air displacement device in the embodiment of FIG. 1;
FIG. 3 is a schematic side view of the air displacement device of the embodiment of FIG. 1;
FIG. 4 is a schematic view showing the positional relationship among the stirring motor, stirring shaft, drive sprocket and drive chain in the embodiment shown in FIG. 1;
FIG. 5 is a schematic view of the positional relationship among the guard housing, the cleaning motor, the main sprocket, the connecting chain, the auxiliary sprocket and the first threaded post in the embodiment of FIG. 1;
FIG. 6 is a schematic view of the positional relationship among the first threaded post, the sliding plate and the stopper post in the embodiment shown in FIG. 1;
FIG. 7 is a schematic cross-sectional view of the stationary platen, support springs, limiting plates, connecting posts, mounting button and cleaning brush of the embodiment of FIG. 1;
FIG. 8 is a schematic view of the positional relationship among the adjustment motor, the second threaded post, the sliding plate, the sliding post, the adjustment plate and the mounting plate of the embodiment of FIG. 1;
FIG. 9 is a schematic view of the positional relationship among the support sprocket, support chain, stabilizing motor, bi-directional threaded post, moving plate and reinforcement post of the embodiment of FIG. 1;
fig. 10 is a schematic view showing the positional relationship among the fixing post, the fixing plate, the auxiliary plate, the magnet block and the fixing cone in the embodiment shown in fig. 1.
Meaning of reference numerals in the drawings: 1. a support plate; 2. a heating housing; 3. a heater; 4. heating pipes; 5. an anti-shake plate; 6. an air extracting pump; 7. a filter housing; 8. a coarse filter screen; 9. a middle filter screen; 10. a fine filter screen; 11. a mounting shell; 12. a drive sprocket; 13. a drive chain; 14. a stirring motor; 15. a stirring shaft; 16. stirring the leaves; 17. a protective housing; 18. cleaning a motor; 19. a main sprocket; 20. a connecting chain; 21. a secondary sprocket; 22. a first threaded post; 23. a cleaning plate; 24. a limit column; 25. a fixed housing; 26. a support spring; 27. a limiting plate; 28. a connecting column; 29. a mounting plate; 30. a cleaning brush; 31. an air compressor; 32. a first connection pipe; 33. a second connection pipe; 34. a fixed tube; 35. installing a pipe; 36. an adjusting plate; 37. a sliding column; 38. a sliding plate; 39. a second threaded post; 40. adjusting a motor; 41. an adjustment housing; 42. positioning columns; 43. a sliding wheel set; 44. a support housing; 45. a support sprocket; 46. a support chain; 47. stabilizing the motor; 48. a bidirectional threaded column; 49. a moving plate; 50. a reinforcing column; 51. an adjusting column; 52. a mounting frame; 53. a cleat; 54. fixing the column; 55. a fixing plate; 56. an auxiliary plate; 57. a magnet block; 58. and fixing the cone.
Detailed Description
In order to make the application object, feature and advantage of the present application more obvious and understandable, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is apparent that the embodiments described below are only some embodiments of the present application, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the application without making any inventive effort, are intended to be within the scope of the application.
The technical scheme of the application is further described below by the specific embodiments with reference to the accompanying drawings.
In the description of the present application, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "top", "bottom", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present application.
Referring to fig. 1 to 3, an air displacement device for oil shale fracturing comprises a pretreatment structure, the pretreatment structure comprises a supporting plate 1, a heating shell 2, a heater 3, a heating pipe 4, an anti-shaking plate 5, an air pump 6, a filtering shell 7, a coarse filter screen 8, a middle filter screen 9 and a fine filter screen 10, wherein the top of the supporting plate 1 is fixedly connected with the heating shell 2, a stirring component is arranged at the inner cavity of the heating shell 2, the heater 3 is fixedly connected with the inner wall of the heating shell 2, the heating pipe 4 is arranged at the inner cavity of the heating shell 2, the anti-shaking plate 5 is fixedly connected with the inner wall of the heating shell 2, one end of the heating pipe 4 is fixedly connected with the air pump 6, the other end of the heating pipe 4 is fixedly connected with the filtering shell 7, the filtering shell 7 is fixedly connected with the top of the supporting plate 1, the inner cavity of the filtering shell 7 is sequentially fixedly connected with a coarse filter screen 8, a middle filter screen 9 and a fine filter screen 10 from bottom to top, and cleaning components are arranged at the bottoms of the coarse filter screen 8, the middle filter screen 9 and the fine filter screen 10.
Through the above-mentioned technical scheme, utilize pretreatment structure can filter, heat, compress air, be convenient for carry out the air displacement to oil shale, be convenient for oil shale and split, be convenient for oil shale's gathering, and can clean coarse filter screen 8 through clean subassembly, well filter screen 9 and thin filter screen 10, prevent to block up and influence the use, when using, utilize aspiration pump 6 to carry out the extraction to air, the air of extraction gets into in the heating pipe 4 through filtering shell 7, utilize coarse filter screen 8 when filtering shell 7, well filter screen 9 and thin filter screen 10 can filter the air, prevent that granule such as dust of air from damaging the oil field gas injection tubular column, when empty in heating pipe 4, utilize heater 3 to heat the air, be convenient for improve the temperature of the air of injection oil shale, be convenient for oil shale's split, be convenient for improve oil shale's recovery ratio.
Specifically, as shown in fig. 2 and 3, the top of the heating housing 2 is provided with a feeding pipe assembly, the front of the heating housing 2 is provided with a discharging pipe assembly, one side of the heating housing 2 is provided with a first fixing hole, the other side of the heating housing 2 is provided with a second fixing hole, one side of the filtering housing 7, which is close to the heating housing 2, is provided with a mounting hole, one end of the heating pipe 4 penetrates through the first fixing hole and is fixedly connected with the inlet end of the air pump 6, and the other end of the heating pipe 4 penetrates through the second fixing hole and the mounting hole and extends to the inner cavity of the filtering housing 7.
As a further optimization scheme, as shown in fig. 3 and 4, the stirring assembly comprises a mounting shell 11, a driving chain wheel 12, a driving chain 13, a stirring motor 14, a stirring shaft 15 and stirring blades 16, wherein the mounting shell 11 is fixedly connected to the top of the heating shell 2, four driving chain wheels 12 distributed in a rectangular structure are arranged at the inner cavity of the mounting shell 11, the driving chain wheel 12 is meshed and connected with the driving chain 13 on the side surface, the four driving chain wheels 12 are connected through the driving chain 13 in a driving manner, one driving chain wheel 12 is fixedly connected to the output end of the stirring motor 14, the stirring motor 14 is fixedly connected to the top of the inner cavity of the mounting shell 11, the bottom of the driving chain wheel 12 is fixedly connected with a stirring shaft 15, a plurality of stirring blades 16 are fixedly connected to the surface of the stirring shaft 15, four rotating holes distributed in a rectangular structure are formed in the top surface of the heating shell 2, the bottom end of the stirring shaft 15 penetrates through the rotating holes and extends to the inner cavity of the heating shell 2, when heating air in the heating shell 4 is heated, water is firstly added into the heating shell 2, then the water is heated by the heater 3, the driving chain wheel 12 and the driving chain 13 to rotate by the stirring motor 14, so that the stirring shaft 15 and the stirring shaft 16 are driven to rotate, the stirring shaft 15 and the stirring shaft 16 is fixedly connected to the output end of the stirring motor 14, the stirring motor and the stirring motor.
As a further optimized scheme, as shown in FIG. 2, the cleaning assembly comprises a protective shell 17, a cleaning motor 18, a main chain wheel 19, a connecting chain 20, a secondary chain wheel 21, a first threaded column 22, a cleaning plate 23, a limit column 24, a fixed shell 25, a supporting spring 26, a limit plate 27, a connecting column 28, a mounting plate 29 and a cleaning brush 30, wherein the protective shell 17 is fixedly connected to the back of the filtering shell 7, the side wall of the inner cavity of the protective shell 17 is fixedly connected with the cleaning motor 18, the output end of the cleaning motor 18 is fixedly connected with the main chain wheel 19, the upper side and the lower side of the main chain wheel 19 are respectively connected with the connecting chain 20 in a meshed manner, the connecting chain 20 is connected to the side surface of the secondary chain wheel 21 in a meshed manner, one side of the main chain wheel 19 and one side of the secondary chain wheel 21 are respectively fixedly connected with a first threaded column 22, the surface of the first threaded column 22 is in a threaded manner of the cleaning plate 23, the cleaning plate 23 is slidingly connected with the surface of the limit column 24, the limit column 24 is fixedly connected to the side wall of the inner cavity of the filtering shell 7, the top of the cleaning plate 23 is fixedly connected with the fixed shell 25, the bottom of the inner cavity of the fixed shell 25 is fixedly connected with the supporting spring 26, the top of the supporting spring 26 is fixedly connected with the limiting plate 27, the top of the limiting plate 27 is fixedly connected with the connecting column 28, the top of the connecting column 28 is fixedly connected with the mounting plate 29, the top of the mounting plate 29 is fixedly connected with the cleaning brush 30, when in use, the cleaning motor 18 is utilized to drive the main chain wheel 19 to rotate so as to drive the connecting chain 20 to drive the auxiliary chain wheel 21 to rotate, the main chain wheel 19 and the auxiliary chain wheel 21 can drive the first threaded column 22 to rotate when rotating, the first threaded column 22 can drive the cleaning plate 23 to move along the limiting column 24 in the same direction so as to drive the fixed shell 25 and the cleaning brush 30 to move in the same direction, and at the moment, under the action of the supporting spring 26, the cleaning brush 30 can be tightly attached to the coarse filter screen 8, the middle filter screen 9 and the fine filter screen 10, so that the coarse filter 8, the middle filter screen 9 and the fine filter screen 10 can be cleaned conveniently, preventing the coarse filter screen 8, the middle filter screen 9 and the fine filter screen 10 from being blocked to influence the use.
Specifically, as shown in fig. 5, 6 and 7, the main sprocket 19 is composed of two fixed sprockets fixedly connected, the side surfaces of the two fixed sprockets are fixedly connected with the connecting chain 20, three cleaning holes distributed at equal intervals are formed in one side of the filtering shell 7, one end of the first threaded column 22 penetrates through the cleaning holes and is rotatably connected to the side wall of the inner cavity of the filtering shell 7, a cleaning door is hinged to one side, far away from the heating shell 2, of the filtering shell 7, and a plurality of evenly distributed ventilation holes are formed in one side of the filtering shell 7.
Specifically, as shown in fig. 5, 6 and 7, the inner cavity side wall of the filtering shell 7 is fixedly connected with a plurality of limiting posts 24, the cleaning plate 23 is provided with two symmetrically distributed limiting holes, one end of each limiting post 24 penetrates through each limiting hole and is fixedly connected with the inner cavity side wall of the filtering shell 7, the limiting posts 24 can limit the moving track of the cleaning plate 23, the bottom of the inner cavity of the fixing shell 25 is fixedly connected with a plurality of equidistantly distributed supporting springs 26, the top of the limiting plate 27 is fixedly connected with a plurality of equidistantly distributed connecting posts 28, the top of the fixing shell 25 is provided with a plurality of equidistantly distributed communication holes, and the top of each connecting post 28 penetrates through each communication hole and extends to the top of the fixing shell 25.
As an optimization scheme, as shown in fig. 2, the air compressor comprises an adjusting structure, the adjusting structure comprises an air compressor 31, a first connecting pipe 32, a second connecting pipe 33, a fixed pipe 34, a mounting pipe 35, an adjusting plate 36, a sliding column 37, a sliding plate 38, a second threaded column 39, an adjusting motor 40, an adjusting shell 41 and a positioning column 42, wherein the air compressor 31 is fixedly connected to the top of the supporting plate 1, an air pump 6 is fixedly connected to the top of the air compressor 31, the outlet end of the air pump 6 is fixedly connected to the first connecting pipe 32, the first connecting pipe 32 is fixedly connected with the air compressor 31, one side of the air compressor 31 is fixedly connected with the second connecting pipe 33, one end of the second connecting pipe 33 is fixedly connected with the fixed pipe 34, one end of the fixed pipe 34 is fixedly connected with the mounting pipe 35, the top of the fixed pipe 34 is fixedly connected with the adjusting plate 36, the top of the adjusting plate 36 is fixedly connected with the sliding column 37, the top of the sliding column 37 is fixedly connected with the sliding plate 38, the sliding plate 38 is in threaded connection with the surface of the second threaded column 39, one end of the second threaded column 39 is fixedly connected to the output end of the adjusting motor 40, the adjusting motor 40 is fixedly connected to one side of the adjusting shell 41, the side of the inner cavity is fixedly connected to the positioning column 42, and the positioning column 42 is fixedly connected to the surface of the positioning column 42 is fixedly connected to the sliding plate 38.
Through the above technical scheme, the position of the installation tube 35 can be adjusted by utilizing the adjusting structure, the connection of the installation tube 35 and the oilfield gas injection column is facilitated, the operation is simple, the use of the air displacement device is facilitated, when the air displacement device is used, according to the position of the oilfield gas injection column, the second threaded column 39 is driven to rotate by utilizing the adjusting motor 40, thereby the sliding plate 38 is driven to move along the positioning column 42, further the sliding column 37 is driven to move in the same direction, the adjusting plate 36 can be driven to move in the same direction when the sliding column 37 moves, further the fixing tube 34 and the installation tube 35 are driven to move in the same direction, the installation tube 35 is moved to the vicinity of the oilfield gas injection column, then the installation tube 35 is connected with the oilfield gas injection column, then the air pump 6 pumps air into the air compressor 31 through the first connecting tube 32, then the air compressor 31 compresses air, and the second connecting tube 33, the fixing tube 34 and the installation tube 35 are driven to inject the oilfield gas, the oilfield gas into the oilfield gas, the oilfield gas shale gas is facilitated, the fracturing of the oilfield gas and the oilfield shale gas is facilitated, and the recovery of the air shale is facilitated.
Specifically, as shown in fig. 8, two symmetrically distributed positioning posts 42 are fixedly connected to the inner cavity side wall of the adjusting housing 41, two symmetrically distributed positioning holes are formed in the sliding plate 38, one end of each positioning post 42 penetrates through each positioning hole and is fixedly connected to the inner cavity side wall of the adjusting housing 41, the positioning posts 42 can limit the moving track of the sliding plate 38, a preset hole is formed in one side of the adjusting housing 41, one end of each second threaded post 39 penetrates through the preset hole and is rotatably connected to the inner cavity side wall of the adjusting housing 41, two symmetrically distributed adjusting ports are formed in the bottom of the adjusting housing 41, two symmetrically distributed sliding posts 37 are fixedly connected to the bottom of the sliding plate 38, the bottom end of each sliding post 37 penetrates through the adjusting ports and extends to the lower portion of the adjusting housing 41, two symmetrically distributed vertical plates are fixedly connected to the bottom of the adjusting housing 41 and fixedly connected to the top of the supporting plate 1, and the vertical plates can support structures such as the adjusting housing 41.
As an optimization scheme, as shown in fig. 2 and 3, the support structure comprises a support structure, the support structure comprises a sliding wheel set 43, a support shell 44, a support chain 45, a support chain 46, a stabilizing motor 47, a bidirectional threaded column 48, a moving plate 49, a reinforcing column 50, an adjusting column 51, a mounting frame 52, a antiskid plate 53, a fixed column 54, a fixed plate 55, an auxiliary plate 56, a magnet block 57 and a fixed cone 58, wherein sliding wheel sets 43 are fixedly connected at four corners at the bottom of the support plate 1, the support shell 44 is fixedly connected at the bottom of the support plate 1, two symmetrically distributed support chain wheels 45 are arranged at the inner cavity of the support shell 44, the side surfaces of the support chain wheels 45 are meshed with the support chain 46, the two support chain wheels 45 are in transmission connection through the support chain 46, one support chain wheel 45 is fixedly connected with the output end of the stabilizing motor 47, one side of the support chain wheel 45 is fixedly connected with the bidirectional threaded column 48, the surface of the bidirectional threaded column 48 is in threaded connection with the moving plate 49, the moving plate 49 is in sliding connection with the surface of the reinforcing column 50, the fixed column 50 is fixedly connected with the side of the supporting shell 44, the adjusting column 51 is arranged below the moving plate 49, the two ends of the adjusting column 51 are rotationally connected with 52, the upper side of the supporting plate 52 is fixedly connected with the auxiliary plate 56, the upper side of the auxiliary plate 52 is fixedly connected with the top of the auxiliary plate 56, the upper side of the auxiliary plate 55 is fixedly connected with the fixed plate 54, the top of the upper side of the auxiliary plate 55 is fixedly connected with the fixed plate 55, and the upper side of the auxiliary plate 55 is fixedly connected with the upper plate 52 is fixedly connected with the top plate 52, and the upper support plate is fixedly connected with the upper support plate 52.
Through the above technical scheme, the supporting structure is utilized to make the air displacement device more stable when using, the injection of air of being convenient for, the exploitation of oil shale is convenient for, when using, utilize the slip wheelset 43 to remove the air displacement device to appointed region, then utilize stabilizing motor 47 to drive support sprocket 45 and support chain 46 rotation, thereby drive bi-directional screw post 48 and rotate, can drive the movable plate 49 of both sides and follow the reinforcing post 50 and move mutually when bi-directional screw post 48 rotates, thereby make adjusting post 51 take place to rotate under the effect of mounting bracket 52, thereby drive antiskid plate 53 and move down, make antiskid plate 53 hug closely the ground, increase the frictional force of air displacement device and ground, when ground soil texture is softer, step down and press auxiliary plate 56, thereby drive fixed cone 58 and move down and insert ground, make the air displacement device more stable when using, when needing to remove the air displacement device, upwards move auxiliary plate 56, thereby make the magnet piece 57 at the top of auxiliary plate 56 adhere to the magnet piece 57 of fixed plate 55 bottom, thereby to the auxiliary plate 56 and the fixed cone 58 then the position is used and is limited on the opposite mode of using the slip wheelset 53 and can make the antiskid plate 53 move away from this moment.
Specifically, as shown in fig. 9 and 10, two symmetrically distributed mounting holes are formed on one side of the support housing 44, one end of the bidirectional threaded column 48 penetrates through the mounting holes and is rotationally connected to one side of the side plate, the side plate is fixedly connected to the bottom of the support plate 1, two symmetrically distributed reinforcing columns 50 are fixedly connected to one side of the support housing 44, two symmetrically distributed anti-deviation holes are formed on the moving plate 49, one end of each reinforcing column 50 penetrates through each anti-deviation hole and is fixedly connected to one side of the side plate, the reinforcing columns 50 can limit the moving track of the moving plate 49, two symmetrically distributed moving plates 49 are connected to the surface of the bidirectional threaded column 48 in a threaded manner, two symmetrically distributed fixing plates 55 are arranged above the anti-skid plates 53, two symmetrically distributed fixing columns 54 are fixedly connected to the bottom of the fixing plates 55, and a plurality of communication holes are formed in the anti-skid plates 53.
It will be evident to those skilled in the art that the application is not limited to the details of the foregoing illustrative embodiments, and that the present application may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
The above embodiments are only for illustrating the technical solution of the present application, and not for limiting the same; although the application has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present application.
Claims (8)
1. An air displacement device for oil shale fracturing, characterized in that: including pretreatment structure, pretreatment structure includes backup pad (1), heating casing (2), heater (3), heating pipe (4), prevents shaking board (5), aspiration pump (6), filtration casing (7), coarse filter screen (8), well filter screen (9) and fine filter screen (10), backup pad (1) top rigid coupling heating casing (2), heating casing (2) inner chamber department is provided with stirring subassembly, heating casing (2) inner wall rigid coupling heater (3), heating casing (2) inner chamber department is provided with heating pipe (4), heating pipe (4) top and bottom all rigid coupling have and prevent shaking board (5), prevent shaking board (5) rigid coupling in heating casing (2) inner wall, heating pipe (4) one end rigid coupling has aspiration pump (6), heating pipe (4) other end rigid coupling has filtration casing (7), filtration casing (7) rigid coupling are in backup pad (1) top, filtration casing (7) inner chamber department has coarse filter screen (8), well filter screen (9) and fine filter screen (10) from the bottom in proper order, coarse filter screen (8), well filter screen (9) and fine filter screen (10) are provided with clean filter screen (10);
still include the regulation structure, the regulation structure includes air compressor (31), first connecting pipe (32), second connecting pipe (33), fixed pipe (34), installation pipe (35), regulating plate (36), slip post (37), sliding plate (38), second screw thread post (39), accommodate motor (40), regulation casing (41) and reference column (42), air compressor (31) rigid coupling is in backup pad (1) top, air compressor (31) top rigid coupling has aspiration pump (6), the exit end rigid coupling first connecting pipe (32) of aspiration pump (6), first connecting pipe (32) and air compressor (31) rigid coupling, air compressor (31) one side rigid coupling second connecting pipe (33), second connecting pipe (33) one end rigid coupling fixed pipe (34), fixed pipe (34) one end rigid coupling installation pipe (35), fixed pipe (34) top rigid coupling has regulating plate (36), regulating plate (36) top rigid coupling slip post (37), sliding post (37) top rigid coupling sliding plate (38), sliding plate (38) one end rigid coupling is in screw thread post (39) one end rigid coupling second screw thread post (40), the adjusting motor (40) is fixedly connected to one side of the adjusting shell (41), a positioning column (42) is fixedly connected to the side wall of the inner cavity of the adjusting shell (41), and the surface of the positioning column (42) is in sliding connection with the sliding plate (38);
the support structure comprises a sliding wheel set (43), a support shell (44), a support chain wheel (45), a support chain (46), a stabilizing motor (47), a bidirectional threaded column (48), a moving plate (49), a reinforcing column (50), an adjusting column (51), a mounting frame (52), a antiskid plate (53), a fixed column (54), a fixed plate (55), an auxiliary plate (56), a magnet block (57) and a fixed cone (58), wherein the sliding wheel set (43) is fixedly connected at four corners of the bottom of the support plate (1), the support shell (44) is fixedly connected at the bottom of the support plate (1), two symmetrically distributed support chain wheels (45) are arranged at the inner cavity of the support shell (44), the side surfaces of the support chain wheels (45) are meshed and connected with the support chain wheel (46), two support chain wheels (45) are in transmission connection through the support chain wheel (46), one side of the support chain wheels (45) is fixedly connected with the output end of the stabilizing motor (47), the bidirectional threaded column (48) is fixedly connected with the moving plate (49) on one side of the support chain wheel (45), the moving plate (49) is in threaded connection with the surface of the bidirectional threaded column (48), the moving plate (49) is fixedly connected with the reinforcing column (50) on one side of the support chain (50), the utility model discloses a movable plate (49) is provided with adjusting column (51), adjusting column (51) both ends all rotate and are connected with mounting bracket (52), are located the top mounting bracket (52) rigid coupling is in movable plate (49) bottom, is located the below mounting bracket (52) rigid coupling is in antiskid ribbed tile (53) top, antiskid ribbed tile (53) top rigid coupling has fixed column (54), fixed column (54) top rigid coupling fixed plate (55), fixed column (54) surface sliding connection has accessory plate (56), accessory plate (56) top and fixed plate (55) bottom all rigid coupling have magnet piece (57), accessory plate (56) bottom rigid coupling has a plurality of fixed cone (58).
2. An air displacement device for oil shale fracturing according to claim 1, wherein: the utility model discloses a heating shell, including heating shell (2), heating shell (2) top is installed and is added the pipe subassembly, heating shell (2) openly installs the exhaust pipe subassembly, first fixed orifices has been seted up to heating shell (2) one side, the second fixed orifices has been seted up to heating shell (2) opposite side, the mounting hole has been seted up to one side that filtering shell (7) are close to heating shell (2), heating pipe (4) one end runs through first fixed orifices and rigid coupling in the entrance point of aspiration pump (6), the heating pipe (4) other end runs through second fixed orifices and mounting hole and extends to filtering shell (7) inner chamber department.
3. An air displacement device for oil shale fracturing according to claim 1, wherein: the stirring assembly comprises a mounting shell (11), a driving sprocket (12), a driving chain (13), a stirring motor (14), a stirring shaft (15) and stirring blades (16), wherein the mounting shell (11) is fixedly connected to the top of a heating shell (2), four driving sprockets (12) which are distributed in a rectangular structure are arranged at the inner cavity of the mounting shell (11), the driving sprocket (12) is meshed with the driving chain (13) on the side face, the driving sprocket (12) is connected with the driving sprocket (12) through the driving chain (13), one driving sprocket (12) is fixedly connected to the output end of the stirring motor (14), the stirring motor (14) is fixedly connected to the top of the inner cavity of the mounting shell (11), the stirring shaft (15) is fixedly connected to the bottom of the driving sprocket (12), a plurality of stirring blades (16) are fixedly connected to the surface of the stirring shaft (15), and four rotating holes which are distributed in a rectangular structure are formed in the top surface of the heating shell (2), and the bottom end of the stirring shaft (15) penetrates through the rotating holes and extends to the inner cavity of the heating shell (2).
4. An air displacement device for oil shale fracturing according to claim 1, wherein: the cleaning component comprises a protection shell (17), a cleaning motor (18), a main chain wheel (19), a connecting chain (20), an auxiliary chain wheel (21), a first threaded column (22), a cleaning plate (23), a limit column (24), a fixed shell (25), a supporting spring (26), a limit plate (27), a connecting column (28), a mounting plate (29) and a cleaning brush (30), wherein the protection shell (17) is fixedly connected to the back of a filtering shell (7), the side wall of the inner cavity of the protection shell (17) is fixedly connected with the cleaning motor (18), the output end of the cleaning motor (18) is fixedly connected with the main chain wheel (19), the upper side and the lower side of the main chain wheel (19) are respectively connected with the connecting chain (20) in a meshed manner, the side surfaces of the auxiliary chain wheel (21) are respectively fixedly connected with the first threaded column (22), the cleaning plate (23) is connected with the surface of the first threaded column (22) in a threaded manner, the cleaning plate (23) is fixedly connected with the surface of the limit column (24) in a sliding manner, the limiting column (24) is fixedly connected to the inner cavity of the filtering shell (7), the bottom of the main chain wheel (19) is fixedly connected with the side wall of the main chain wheel (21), the cleaning brush is characterized in that the top end of the supporting spring (26) is fixedly connected with the limiting plate (27), the top of the limiting plate (27) is fixedly connected with the connecting column (28), the top end of the connecting column (28) is fixedly connected with the mounting plate (29), and the top of the mounting plate (29) is fixedly connected with the cleaning brush (30).
5. An air displacement device for oil shale fracturing according to claim 4, wherein: the main chain (19) comprises two fixed chain wheels of rigid coupling, and two fixed chain wheel side all rigid coupling has connection chain (20), three equidistant clean hole that distributes have been seted up to filtration casing (7) one side, clean hole is run through to first screw thread post (22) one end and is rotated and connect in filtration casing (7) inner chamber lateral wall, one side that heating casing (2) was kept away from to filtration casing (7) articulates there is the clearance door, a plurality of evenly distributed's air vent has been seted up to filtration casing (7) one side.
6. An air displacement device for oil shale fracturing according to claim 4, wherein: the utility model discloses a filter casing, including filter casing (7), cleaning board (25), filter casing (7) inner chamber lateral wall rigid coupling has a plurality of spacing post (24), two spacing holes of symmetric distribution have been seted up to cleaning board (23), spacing hole and rigid coupling are run through in filter casing (7) inner chamber lateral wall to spacing post (24) one end, fixed casing (25) inner chamber bottom rigid coupling has support spring (26) that a plurality of equidistance distributes, spacing board (27) top rigid coupling has spliced pole (28) that a plurality of equidistance distributes, the intercommunicating pore that a plurality of equidistance distributes has been seted up to fixed casing (25) top, spliced pole (28) top runs through the intercommunicating pore and extends to fixed casing (25) top.
7. An air displacement device for oil shale fracturing according to claim 1, wherein: the utility model discloses a sliding plate structure, including adjusting casing (41) inner chamber lateral wall rigid coupling has two symmetric distribution's reference column (42), two symmetric distribution's locating hole have been seted up to sliding plate (38), locating column (42) one end runs through the locating hole and rigid coupling in adjusting casing (41) inner chamber lateral wall, preset hole has been seted up to adjusting casing (41) one side, second screw thread post (39) one end runs through preset hole and rotates to connect in adjusting casing (41) inner chamber lateral wall, two symmetric distribution's regulation mouth has been seted up to adjusting casing (41) bottom, sliding plate (38) bottom rigid coupling has two symmetric distribution's sliding column (37), sliding column (37) bottom runs through the regulation mouth and extends to adjusting casing (41) below, adjusting casing (41) bottom rigid coupling has two symmetric distribution's riser, riser rigid coupling is in backup pad (1) top.
8. An air displacement device for oil shale fracturing according to claim 1, wherein: two symmetrically distributed mounting holes are formed in one side of the supporting shell (44), one end of the bidirectional threaded column (48) penetrates through the mounting holes and is rotationally connected to one side of the side plate, the side plate is fixedly connected to the bottom of the supporting plate (1), two symmetrically distributed reinforcing columns (50) are fixedly connected to one side of the supporting shell (44), two symmetrically distributed anti-deflection holes are formed in the moving plate (49), one end of the reinforcing column (50) penetrates through the anti-deflection holes and is fixedly connected to one side of the side plate, two symmetrically distributed moving plates (49) are connected to the surface of the bidirectional threaded column (48) in a threaded mode, two symmetrically distributed fixing plates (55) are arranged above the anti-skid plate (53), two symmetrically distributed fixing columns (54) are fixedly connected to the bottom of the fixing plates (55), and a plurality of communication holes are formed in the anti-skid plate (53).
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| CN202211053779.4A CN115434684B (en) | 2022-08-30 | 2022-08-30 | Air displacement device for oil shale fracturing |
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