CN117402661B

CN117402661B - Compression device for recycling natural gas

Info

Publication number: CN117402661B
Application number: CN202311713333.4A
Authority: CN
Inventors: 刘钦; 王磊; 冯磊; 秦景贤; 赵增寅; 潘有恒; 刘丙海; 张宏军
Original assignee: Dagang Oilfield Guangyuan Cangzhou Petroleum Technology Service Co ltd
Current assignee: Dagang Oilfield Guangyuan Cangzhou Petroleum Technology Service Co ltd
Priority date: 2023-12-14
Filing date: 2023-12-14
Publication date: 2024-02-23
Anticipated expiration: 2043-12-14
Also published as: CN117402661A

Abstract

The invention discloses a compression device for recycling natural gas, which relates to the technical field of natural gas recycling, compression and separation, wherein one side of the top end of a bearing installation frame is fixedly connected with a bidirectional air inlet box, the other side of the top end of the bearing installation frame is fixedly connected with a bidirectional air inlet box and a bidirectional air outlet box, the middle part of the top end of the bearing installation frame is fixedly connected with a relay compression box, an output shaft of a transmission motor is clamped with an L-shaped fixed transmission block, the bottoms of one end of the bidirectional air inlet box and one end of the relay compression box are both rotationally connected with an L-shaped fixed sliding block, the transmission combination clamping and the magnetic separation switching operation are carried out, and the air inlet pressure is limited by a plurality of components in a gradual air inlet and separation mode and by matching with a spring and a check control valve, so that continuous and stable operation can be realized during recycling and compression, independent separation of liquefied gas under various different conditions is carried out by multi-step matching separation operation, the liquefaction effect and the stability of the liquefaction condition are ensured, repeated adjustment treatment is not needed, the complexity of operation is lightened, and the recycling effect is ensured.

Description

Compression device for recycling natural gas

Technical Field

The invention relates to the technical field of natural gas recovery, compression and separation, in particular to a compression device for natural gas recovery and reutilization.

Background

Natural gas refers to all gases naturally occurring in nature, including gases formed by various natural processes in the atmosphere, water and rock circles, and refers to mixtures of hydrocarbon and non-hydrocarbon gases that are naturally contained in the formation. In petrogeology, oilfield gas and gas field gas are commonly referred to. The composition is mainly hydrocarbon and contains non-hydrocarbon gas, mainly comprising methane and a small amount of ethane, propane, nitrogen and butane, and the natural gas is collected by using compression equipment to perform compression operation.

However, when natural gas is recovered, because of a plurality of gas types contained in the natural gas and different boiling points of different gases, the existing compressor cannot finely separate the gas, so that snowflake-shaped condensation can occur in part of the gas under the same condition, and the conditions such as insufficient gas supply, continuous high-pressure operation of equipment and the like are easily affected during treatment, so that the equipment is subjected to surge, extrusion deformation and the like, thereby affecting the working efficiency and the service life, and increasing the energy consumption.

Disclosure of Invention

The invention provides a compression device for recycling natural gas, which can effectively solve the problems that when natural gas is recycled in the prior art, because the types of the gases contained in the natural gas are more and different, different gases have different boiling points, the existing compressors can not finely separate the gases, so that part of the gases can be condensed in a snowflake shape under the same condition, and the conditions such as insufficient gas supply, continuous high-pressure operation of equipment and the like are easily influenced during treatment, so that the equipment is subjected to surge, extrusion deformation and the like, thereby influencing the working efficiency and the service life and increasing the energy consumption.

In order to achieve the above purpose, the present invention provides the following technical solutions: the compression device for recycling natural gas comprises a bearing mounting frame, wherein the bearing mounting frame is provided with a layer separation compression assembly;

the layer separation compression assembly comprises a bidirectional air inlet box;

the device comprises a bearing installation frame, a relay compression box, a transmission motor, an L-shaped fixed transmission block, a lifting operation sleeve, a lifting transmission rod, a lifting operation sleeve and a unidirectional transmission sleeve, wherein the bidirectional transmission block is fixedly connected with one side of the bearing installation frame, the bidirectional air inlet box is fixedly connected with one side of the top of the bearing installation frame, the bidirectional air inlet box is fixedly connected with the other side of the top of the bearing installation frame, the middle part of the top of the bearing installation frame is fixedly connected with the relay compression box, the transmission motor is installed at the bottom of one end of the bidirectional air inlet box through a motor seat, the L-shaped fixed transmission block is connected with the L-shaped fixed transmission block in a clamping manner, the lifting transmission rod is rotatably connected between the L-shaped fixed transmission block and the L-shaped fixed transmission block, the lifting operation sleeve is rotatably connected with the L-shaped fixed transmission block, the lifting operation sleeve is rotatably sleeved at the top of the side of the lifting transmission rod at the side of the bidirectional air inlet box, the lifting operation sleeve is rotatably connected with the lifting operation sleeve at the top of the side of the relay transmission rod, and the lifting operation sleeve is rotatably connected with the lifting operation sleeve at the top of the lifting operation sleeve at the side of the lifting operation sleeve, and the lifting operation sleeve is rotatably connected with lifting operation sleeve, and is rotatably connected with lifting operation is connected with lifting operation and has lifting transmission rod, and lifting driving device;

The power-on/power-off sliding rail is embedded and mounted at the position of the top end of the bearing mounting frame corresponding to the special-shaped sleeved block, and the power-on/power-off sliding rail top end is clamped with a power-on/power-off electromagnet through a sliding rail seat;

the bidirectional in-out box comprises a bidirectional in-out box body, a bidirectional out-in box body, a bearing installation rack and a centrifugal compression barrel.

According to the technical characteristics, a plurality of opening and closing springs are equidistantly arranged on the inner side of the lifting operation sleeve, closing sealing blocks are arranged at the top ends of the opening and closing springs, and annular electromagnets are arranged on the inner side of the lifting operation sleeve at positions corresponding to the closing sealing blocks;

t-shaped air inlets are formed in the top end and the side end of the bidirectional air inlet box, the top end and the side end of the bidirectional air inlet box and the top end of the relay compression box, special-shaped air outlets are formed in the top end of the bidirectional air inlet box, the top end and the side end of the bidirectional air inlet box and fixedly connected with air inlet directional pipes, exhaust constant pressure pipes are sleeved on the top end of the bidirectional air inlet box, the top end and the side end of the relay compression box and fixedly connected with exhaust constant pressure pipes, injection constant pressure pipes are clamped on the top end and the side end of the relay compression box, constant pressure springs are arranged at positions of the top end and the side end of the bidirectional air inlet box and positions of the side end and the relay compression box, corresponding to the T-shaped air inlets, impact springs are arranged at positions of the top end of the bidirectional air inlet box and the side end and the relay compression box, and special-shaped air outlets are arranged at positions of the impact springs corresponding to the special-shaped air outlets;

The double-layer separation barrels are symmetrically clamped at the positions of the top end of the bearing mounting rack, corresponding to the exhaust constant pressure pipe and the injection constant pressure pipe;

the centrifugal compression barrel is characterized in that a central injection pipe is arranged at the position of the centrifugal compression barrel, corresponding to the special-shaped extrusion groove, side ends of the double-layer separation barrel and the centrifugal compression barrel are all connected with an evacuation pipe in a penetrating manner, the inner side of the bearing installation frame is sleeved with a low-temperature collection barrel, a check electromagnetic valve is embedded and arranged at one end of the air inlet directional pipe, the exhaust constant pressure pipe, the injection constant pressure pipe, the central injection pipe and one end of the evacuation pipe, and the pressure detector is embedded and arranged at the top end of the double-layer separation barrel.

According to the technical characteristics, the L-shaped fixed transmission block and the L-shaped fixed sleeve block are both rotatably arranged at the side end of the bidirectional air inlet box, the L-shaped fixed sliding block and the L-shaped fixed sleeve block are both rotatably arranged at the side end of the relay compression box, the L-shaped fixed sliding block and the synchronous transmission block are both rotatably arranged at the side end of the bidirectional air inlet box, and the L-shaped fixed sliding block and the special-shaped sleeve block are combined in a sliding manner;

the special-shaped sleeve block is combined with the L-shaped fixed sleeve block in a sliding sleeve joint mode, the closed sealing block is installed on the inner side of the lifting operation sleeve in a sliding mode, and the closed sealing block is connected with the annular electromagnetic iron magnet in a sucking mode.

According to the technical characteristics, the I-shaped blocking block is slidably arranged on the inner side of the T-shaped air inlet, the I-shaped impact block is sleeved and combined with the special-shaped air outlet, and the exhaust constant pressure pipe and the injection constant pressure pipe are both connected with the double-layer separation barrel in a penetrating manner.

According to the technical characteristics, the output shaft of the speed change transmission case is clamped and combined with one end of the hollow centrifugal rod, and one injection constant pressure pipe is sleeved and installed on the inner side of the hollow centrifugal rod.

According to the technical characteristics, the emptying pipe is clamped and combined with one end of the low-temperature collecting barrel through the adapter;

the input ends of the transmission motor, the annular electromagnet, the round-trip electric sliding rail, the round-trip electromagnet, the check electromagnetic valve and the pressure detector are electrically connected with the output end of the external controller;

the input end of the external controller is electrically connected with the output end of the external power supply.

According to the technical characteristics, the side end of the bearing mounting rack is provided with a plurality of separation operation components;

the multi-separation operation assembly comprises a heat exchange cooling cavity;

the heat exchange cooling cavity is formed in the inner sides of the bidirectional air inlet box, the bidirectional air outlet box and the relay compression box, the pumping and injecting cooling pipes are connected with one end of the bidirectional air inlet box, the bidirectional air inlet box and the bidirectional air outlet box and one end of the relay compression box in a penetrating manner, the cooling storage box is fixedly connected with one end of the bearing mounting frame corresponding to the position of the pumping and injecting cooling pipes, the booster pump is installed at one end of the cooling storage box corresponding to the position of the pumping and injecting cooling pipes through the motor base, the discharging and injecting operation pipes are connected with one end tops of the bidirectional air inlet box, the bidirectional air inlet box and one end tops of the relay compression box in a penetrating manner, the cooling and inserting box is connected with the reflux supporting pipes in an equidistant penetrating manner, the constant-temperature heat exchange cavity is formed in the inner side of the double-layer separation barrel, the constant-temperature heat exchange plate is inserted and installed in the inner side of the constant-temperature heat exchange cavity, the heat exchange treatment device is clamped at the side of the double-layer separation barrel corresponding to the position of the constant-temperature heat exchange plate, and the heat exchange contact plate is inserted and installed in an inserting manner.

The utility model discloses a low temperature collecting barrel, including double-deck separation barrel, support division board, control fluid-discharge tube, operating spring bottom, switching electricity push rod, absorption electro-magnet, low temperature collecting barrel one end through connection has the separation mounting tube, the separation mounting tube is installed to bearing mounting frame top correspondence separation mounting tube position department, buffer storage barrel one end through connection has the steady voltage tube, separation mounting tube and steady voltage tube one end embedding are installed operating valve.

According to the technical characteristics, the pumping and injecting cooling pipe is clamped with the booster pump through the adapter, the pumping and injecting cooling pipe is installed on the inner side of the cooling storage box in a penetrating mode, and the cooling inserting box is fixedly connected with the cooling storage box.

According to the technical characteristics, the heat exchange processor is sleeved and combined with the cooling insertion box, the pushing-down insertion frame is sleeved and mounted on the inner side of the gradual change discharge pipe, and the closed floating frame is slidably mounted on the inner side of the control discharge pipe.

According to the technical characteristics, the side end of the adsorption electromagnet is magnetically connected with the side end of the closed floating frame;

the input ends of the booster pump, the heat exchange processor, the discharging electric push rod, the opening and closing electric push rod, the adsorption electromagnet and the operating valve are electrically connected with the output end of the external controller.

Compared with the prior art, the invention has the beneficial effects that:

1. the device is provided with a layer-step separation compression assembly, the L-shaped fixed sliding blocks and the L-shaped fixed sleeve blocks are combined through the special-shaped sleeve blocks, so that a plurality of groups of processing equipment are transmitted and combined during processing, the equipment is controlled to operate simultaneously, the lifting operation sleeve and the closed sealing plate are controlled by the annular electromagnet and the opening and closing spring to operate synchronously by vertically matching air inlet and unidirectional air outlet, the air supply stability is ensured, the air supply speed is accelerated, and the air pressure of inlet and outlet air is limited through the constant pressure spring, the I-shaped baffle block, the impact spring and the I-shaped impact block, so that the air pressure of inlet and outlet air is stabilized;

The two-way air inlet box, the two-way air inlet and outlet box, the relay compression box, the lifting operation sleeve, the extension lifting sleeve and the one-way pushing sleeve are used for gradually pressurizing, the centrifugal compression barrel, the hollow centrifugal rod and the centrifugal fan blade are matched for centrifugal pressurizing, different gases are separated and limited by the double-layer separation barrel, different liquefaction treatments are carried out according to different gases, medium-pressure treatment and high-pressure treatment are separated, and the pipeline is subjected to liquid sealing through the liquefied gases, so that when the gases are recovered, the separation treatment is carried out on the gases, the conditions that part of the gases are condensed and part of the gases cannot be liquefied under fixed conditions are avoided, the recovery effect is ensured, the influence of the condensed gases on equipment is reduced, the low-temperature and normal-temperature operation separation is carried out, the influence of temperature change on the equipment is reduced, and the stable operation of the equipment is ensured;

through transmission combination joint and magnetism separation switching operation, gradually admit air and separate through the multiunit component, cooperation spring and check control valve restriction pressure of admitting air, make can realize lasting and stable operation when retrieving the compression, and through the cooperation of multistep separation operation, independent separation is carried out to the gas of liquefaction under multiple different conditions, the effect of liquefaction and the stability of liquefaction condition have been guaranteed, need not to adjust repeatedly and handle, alleviate the loaded down with trivial details degree of operation, the effect of retrieving has been guaranteed simultaneously, in having solved prior art, the condition emergence of condensation influence equipment appears in the partial gas because of gas centralized processing, equipment produces surging or the excessive condition emergence that leads to equipment to receive the excessive deformation of pressure of short time air feed when reducing or breaking appears because of gas supply, work efficiency has been guaranteed, equipment stability and processing stability.

2. The multi-separation operation assembly is arranged, the heat exchange cooling cavity is continuously filled with water for cooling through the booster pump, the pumping and injecting cooling pipe and the cooling storage box, the heat exchange processor, the constant temperature heat exchange plate and the constant temperature heat exchange cavity are utilized for carrying out constant temperature control on the double-layer separation barrel, and the heat exchange operation is carried out through the heat exchange contact plate, the cooling insertion box and the heat exchange processor, so that stable operation of constant temperature supply is ensured, the multi-step simultaneous operation can be carried out during temperature control, continuous and stable operation of equipment for air inlet and outlet and air storage is ensured, and the condition that the equipment cannot work normally due to overhigh temperature is avoided;

the gradual change material discharging pipe is opened by pushing the pushing insertion frame through the material discharging electric push rod, the closed floating frame is driven to open the control liquid discharging pipe through the opening and closing electric push rod and the adsorption electromagnet, so that rapid exhaust can be realized when liquefied gas, the contact between the pushing insertion frame and the closed floating frame and the liquid level is increased, thereby automatically controlling liquid discharging, and limiting through the operation spring and the pushing spring, the liquefied gas can be ensured to be stably separated and stored during liquefaction treatment, the production continuity and continuity are ensured, meanwhile, the situation that the gasification discharge influences the treatment effect due to depressurization during treatment is avoided, the stable operation of gas separation is ensured through the simultaneous operation of temperature control treatment and liquefaction separation, the problem that the existing gas is mixed together is solved, and the situation that the partial gas is condensed to influence the operation of equipment is ensured.

In summary, through the mutual cooperation of layer separation compression subassembly and many separation operation subassemblies, through accuse temperature and control liquid level, cooperation multiunit gas separation compression for can guarantee the stability of handling the link and the efficiency of handling when handling, reduce the influence that external environment and equipment self produced to the gas recovery, guaranteed effect and the efficiency of handling, mutually support through a plurality of subassemblies, guaranteed the stable recovery and the separation of gas.

Drawings

The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention.

In the drawings:

FIG. 1 is a schematic view of a three-dimensional structure of the present invention;

FIG. 2 is a schematic view of a layer separation compression assembly according to the present invention;

FIG. 3 is a schematic view of the mounting structure of the bi-directional air intake box of the present invention;

FIG. 4 is a schematic view of the mounting structure of the profiled nest block of the present invention;

FIG. 5 is a schematic view of the mounting structure of the bi-directional access cartridge of the present invention;

FIG. 6 is a schematic view of the mounting structure of the centrifugal fan blade of the present invention;

FIG. 7 is a schematic view of the structure of the multiple split operating assembly of the present invention;

FIG. 8 is a schematic view of the mounting structure of the cooling insert cartridge of the present invention;

FIG. 9 is a schematic view of the mounting structure of the closed floating frame of the present invention;

reference numerals in the drawings: 1. a bearing mounting rack;

2. a layer separation compression assembly; 201. a two-way air inlet box; 202. two-way in-out box; 203. a relay compression box; 204. a drive motor; 205. l-shaped fixed transmission blocks; 206. an L-shaped fixed sliding block; 207. inserting a spring; 208. the special-shaped sleeve block; 209. an L-shaped fixed sleeve block; 210. a synchronous transmission block; 211. lifting the transmission rod; 212. lifting the operating sleeve; 213. an opening/closing spring; 214. closing the sealing block; 215. an annular electromagnet; 216. extending the lifting sleeve; 217. one-way pushing sleeve; 218. a T-shaped air inlet; 219. a special-shaped air outlet hole; 220. an intake air directional pipe; 221. an exhaust constant pressure pipe; 222. injecting into a constant pressure pipe; 223. a constant pressure spring; 224. an I-shaped blocking piece; 225. an impact spring; 226. an I-shaped impact block; 227. a slide rail is electrified back and forth; 228. an electromagnet back and forth; 229. a double-layer separation barrel; 230. a variable speed transmission case; 231. centrifugal compression barrel; 232. a hollow centrifugal rod; 233. centrifugal fan blades; 234. a separation baffle; 235. a special-shaped extrusion groove; 236. injecting the operation hole; 237. a central injection tube; 238. an evacuation tube; 239. a low temperature collection tub; 240. a non-return solenoid valve; 241. a pressure detector;

3. A multiple split operating assembly; 301. a heat exchange cooling cavity; 302. pumping and injecting a cooling pipe; 303. cooling the storage box; 304. a booster pump; 305. a drainage and injection operation pipe; 306. cooling the insert box; 307. reflux supporting tube; 308. a constant temperature heat exchange cavity; 309. constant temperature heat exchange plate; 310. a heat exchange processor; 311. a heat exchange contact plate; 312. a gradual discharging pipe; 313. pressing down the spring; 314. pressing down the insertion frame; 315. discharging electric push rod; 316. supporting the isolation plate; 317. controlling a liquid discharge pipe; 318. an operation spring; 319. closing the floating frame; 320. opening and closing the electric push rod; 321. an adsorption electromagnet; 322. separating and installing a pipe; 323. buffering a storage barrel; 324. a voltage stabilizing tube; 325. the valve is operated.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

Examples: as shown in fig. 1-9, the invention provides a technical scheme, namely a compression device for recycling natural gas, which comprises a bearing mounting frame 1, wherein the bearing mounting frame 1 is provided with a layer separation compression assembly 2;

the step separation compression assembly 2 comprises a bidirectional air inlet box 201, a bidirectional air inlet and outlet box 202, a relay compression box 203, a transmission motor 204, an L-shaped fixed transmission block 205, an L-shaped fixed sliding block 206, an insertion spring 207, a special-shaped sleeved block 208, an L-shaped fixed sleeve block 209, a synchronous transmission block 210, a lifting transmission rod 211, a lifting operation sleeve 212, an opening and closing spring 213, a closing sealing block 214, an annular electromagnet 215, an extension lifting sleeve 216, a one-way pushing sleeve 217, a T-shaped air inlet hole 218, a special-shaped air outlet hole 219, an air inlet directional pipe 220, an air outlet fixed pressure pipe 221, an injection fixed pressure pipe 222, a fixed pressure spring 223, a I-shaped blocking block 224, an impact spring 225, an I-shaped impact block 226, a round trip electric sliding rail 227, a round trip electromagnet 228, a double-layer separation barrel 229, a speed changing transmission box 230, a centrifugal compression barrel 231, a hollow centrifugal rod 232, a centrifugal fan blade 233, a separation baffle 234, a special-shaped extrusion groove 235, an injection operation hole 236, a center injection pipe 237, an exhaust pipe 238, a low-temperature collection barrel 239, a check electromagnetic valve 240 and a pressure detector 241;

The two-way air inlet box 201 is fixedly connected to one side of the top end of the bearing installation frame 1, the two-way air inlet box 202 is fixedly connected to the other side of the top end of the bearing installation frame 1, the relay compression box 203 is fixedly connected to the middle part of the top end of the bearing installation frame 1, the transmission motor 204 is installed at the bottom of one end of the two-way air inlet box 201 through a motor seat, the L-shaped fixed transmission block 205 is clamped on the output shaft of the transmission motor 204, the L-shaped fixed sliding blocks 206 are rotatably connected to the bottoms of one ends of the two-way air inlet box 202 and the relay compression box 203, a plurality of inserting springs 207 are equidistantly installed at one end of the L-shaped fixed sliding blocks 206, a special-shaped sleeved block 208 is welded at one end of the plurality of inserting springs 207, an L-shaped fixed sleeve block 209 is rotatably sleeved at the position of one end of the two-way air inlet box 201 and one end bottom of the relay compression box 203 corresponding to the special-shaped sleeved block 208, the special-shaped sleeved block 208 and the L-shaped fixed sleeve block 209 are slidably sleeved and combined, so that sleeve and separating operation can be carried out when combined, the bottom of one end of the bidirectional inlet and outlet box 202 far away from the L-shaped fixed sliding block 206 is rotationally connected with a synchronous transmission block 210, the L-shaped fixed transmission block 205 and the L-shaped fixed sleeve block 209 are rotationally arranged at the side end of the bidirectional inlet box 201, the L-shaped fixed sliding block 206 and the L-shaped fixed sleeve block 209 are rotationally arranged at the side end of the relay compression box 203, the L-shaped fixed sliding block 206 and the synchronous transmission block 210 are rotationally arranged at the side end of the bidirectional inlet and outlet box 202, the L-shaped fixed sliding block 206 and the special-shaped sleeved block 208 are slidingly combined, so that synchronous operation and separation operation can be realized during multi-group equal-order compression processing, separation operation can be carried out according to different contents of inlet air speed and air during processing, a lifting transmission rod 211 is rotationally connected between the L-shaped fixed transmission block 205 and the L-shaped fixed sleeve block 209, between the L-shaped fixed sliding block 206 and between the synchronous transmission block 210 and the L-shaped fixed sliding block 206, wherein the top of the side end of the lifting transmission rod 211 positioned at the position of the bidirectional air inlet box 201 is rotatably sleeved with a lifting operation sleeve 212;

A plurality of opening and closing springs 213 are equidistantly arranged on the inner side of the lifting operation sleeve 212, a closing sealing block 214 is arranged at the top end of the plurality of opening and closing springs 213, an annular electromagnet 215 is arranged on the inner side of the lifting operation sleeve 212 corresponding to the position of the closing sealing block 214, the closing sealing block 214 is slidably arranged on the inner side of the lifting operation sleeve 212, the closing sealing block 214 is magnetically connected with the annular electromagnet 215, so that rapid switching operation can be performed when two-way synchronous air intake and one-way fixed air intake are performed, the processing state can be stably switched during processing, the stable speed and stable quantity of air supply are ensured, an extension lifting sleeve 216 is rotationally connected to the top of the side end of a lifting transmission rod 211 at the position of a two-way inlet and outlet box 202, and a one-way pushing sleeve 217 is rotationally connected to the top of the side end of the lifting transmission rod 211 at the position of the relay compression box 203;

t-shaped air inlets 218 are formed in the top end and the side end of the bidirectional air inlet box 201, the top end and the side end of the bidirectional air inlet box 202 and the top end of the relay compression box 203, special-shaped air outlets 219 are formed in the top end of the bidirectional air inlet box 201, the top end and the side end of the bidirectional air inlet box 202 and the top end of the relay compression box 201 and are fixedly connected with air inlet directional pipes 220, exhaust constant pressure pipes 221 are sleeved on the top end, the top end and the side end of the bidirectional air inlet box 201, the top end and the side end of the relay compression box 203 and the top end and the side end of the bidirectional air inlet box 202, injection constant pressure pipes 222 are clamped on the top end and the side end of the relay compression box 203, constant pressure springs 223 are mounted on the positions of the top end and the side end of the bidirectional air inlet box 201 and the side end of the relay compression box 202 and corresponding to the T-shaped air inlets 218, impact springs 225 are fixedly connected with work-shaped blocking blocks 224 on the positions of the special-shaped air outlets 219 corresponding to the positions of the special-shaped air outlets 219 of the bidirectional air inlet box 201 and the top end and the bidirectional air inlet box 202 and the side end and the relay compression box 203, and impact springs 225 are mounted on the positions of the work-shaped air-shaped blocks 226;

The bearing mounting frame 1 is embedded and mounted with a return electric slide rail 227 at the position corresponding to the special-shaped sleeved block 208, the top end of the return electric slide rail 227 is clamped with a return electromagnet 228 through a slide rail seat, the bearing mounting frame 1 is symmetrically clamped with a double-layer separating barrel 229 at the position corresponding to the exhaust fixed pressure pipe 221 and the injection fixed pressure pipe 222, the I-shaped blocking block 224 is slidably mounted at the inner side of the T-shaped air inlet 218, the I-shaped impact block 226 is sleeved and combined with the special-shaped air outlet 219, and the exhaust fixed pressure pipe 221 and the injection fixed pressure pipe 222 are connected with the double-layer separating barrel 229 in a penetrating manner, so that the operation can be stably performed in air inlet and outlet, the operation can be effectively sealed and blocked, and meanwhile, the operation of synchronous operation, air inlet and outlet limit and pressure stabilizing supply can be stably processed, and the occurrence of air leakage and pressure relief is avoided;

the two-way business turn over box 202 side corresponds synchronous drive piece 210 position department joint has gearbox 230, gearbox 230 output shaft and hollow centrifugal pole 232 one end joint combination make in the transmission time can the effective operation of change, bearing mounting bracket 1 top corresponds gearbox 230 position department joint has centrifugal compression bucket 231, centrifugal compression bucket 231 inboard has cup jointed hollow centrifugal pole 232, one injection constant pressure pipe 222 cup joints and installs in hollow centrifugal pole 232 inboard, make in business turn over gas can operate steadily, and go out from the middle part, make centrifugal effect can stabilize outwards transfer, avoid appearing facing impact influence centrifugal compressed effect and efficiency, hollow centrifugal pole 232 side end equidistantly installs a plurality of centrifugal flabellum 233, hollow centrifugal pole 232 side end fixedly connected with separation baffle 234, centrifugal compression bucket 231 side end equidistantly has seted up a plurality of special-shaped extrusion groove 235, hollow centrifugal pole 232 side end equidistantly has seted up a plurality of injection operating hole 236, centrifugal compression bucket 231 inboard corresponds special-shaped extrusion groove 235 position department and installs central injection pipe 237, centrifugal barrel and centrifugal exhaust pipe 238 are all connected with centrifugal exhaust pipe 238 through compression through-hole all side ends 231;

The low-temperature collecting barrel 239 is sleeved on the inner side of the bearing mounting frame 1, the emptying pipe 238 is clamped and combined with one end of the low-temperature collecting barrel 239 through an adapter, stable discharging is facilitated, the air inlet directional pipe 220, the air outlet constant pressure pipe 221, the air inlet constant pressure pipe 222, the central injection pipe 237 and one end of the emptying pipe 238 are embedded and provided with the check electromagnetic valve 240, and the top end of the double-layer separating barrel 229 is embedded and provided with the pressure detector 241;

for stable operation of the device, the input ends of the transmission motor 204, the annular electromagnet 215, the back-and-forth electric slide rail 227, the back-and-forth electromagnet 228, the check solenoid valve 240 and the pressure detector 241 are electrically connected with the output end of an external controller;

The side end of the bearing mounting frame 1 is provided with a multi-separation operation assembly 3;

the multi-separation operation assembly 3 comprises a heat exchange cooling cavity 301, a pumping and injecting cooling pipe 302, a cooling storage box 303, a booster pump 304, a discharging and injecting operation pipe 305, a cooling insertion box 306, a backflow supporting pipe 307, a constant temperature heat exchange cavity 308, a constant temperature heat exchange plate 309, a heat exchange processor 310, a heat exchange contact plate 311, a gradual discharging pipe 312, a pressing spring 313, a pressing insertion frame 314, a discharging electric push rod 315, a supporting isolation plate 316, a control liquid discharging pipe 317, an operation spring 318, a closed floating frame 319, an opening and closing electric push rod 320, an adsorption electromagnet 321, a separation installation pipe 322, a buffer storage bucket 323, a pressure stabilizing pipe 324 and an operation valve 325;

The inner sides of the bidirectional air inlet box 201, the bidirectional air inlet box 202 and the relay compression box 203 are respectively provided with a heat exchange cooling cavity 301, one ends of the bidirectional air inlet box 201, the bidirectional air inlet box 202 and the relay compression box 203 are respectively connected with a pumping and injecting cooling pipe 302 in a penetrating way, the position of one end of the bearing mounting frame 1 corresponding to the pumping and injecting cooling pipe 302 is fixedly connected with a cooling storage box 303, the position of one end of the cooling storage box 303 corresponding to the pumping and injecting cooling pipe 302 is provided with a booster pump 304 through a motor seat, the pumping and injecting cooling pipe 302 and the booster pump 304 are connected with each other through a joint, the pumping and injecting cooling pipe 302 is arranged on the inner side of the cooling storage box 303 in a penetrating way, so that stable circulation operation can be realized during cooling, the constancy of the whole temperature is ensured, the condition that the gas compression is influenced due to overlarge local temperature difference is reduced, one ends of the bidirectional air inlet box 201, the bidirectional air inlet box 202 and the relay compression box 203 are respectively connected with a discharging and injecting operation pipe 305 in a penetrating way, one end of each of the plurality of injection discharging operation pipes 305 is connected with a cooling insertion box 306 in a penetrating manner, the cooling insertion boxes 306 are fixedly connected with the cooling storage box 303, the equipment is effectively supported, the integral support and limiting stability are guaranteed, one end top of each of the cooling insertion boxes 306 is connected with a plurality of backflow support pipes 307 in an equidistant penetrating manner, a constant-temperature heat exchange cavity 308 is formed in the inner side of each double-layer separation barrel 229, a constant-temperature heat exchange plate 309 is inserted and installed in the inner side of each constant-temperature heat exchange cavity 308, a heat exchange processor 310 is clamped at the position of the side end of each double-layer separation barrel 229 corresponding to the corresponding constant-temperature heat exchange plate 309, the heat exchange processors 310 are sheathed and combined with the cooling insertion boxes 306, the continuous and temperature heat exchange operation is guaranteed, effective linkage cooperation can be carried out according to actual requirements in the operation process, and a heat exchange contact plate 311 is inserted and installed in the inner side of each of the cooling insertion boxes 306;

The middle part inside the double-layer separation barrel 229 is connected with a gradual discharging pipe 312 in a penetrating way, a pressing spring 313 is arranged in the middle of the top end inside the double-layer separation barrel 229, a pressing insertion frame 314 is arranged at the bottom end of the pressing spring 313, a discharging electric push rod 315 is arranged in the middle of the bottom end inside the double-layer separation barrel 229, a supporting isolation plate 316 is welded inside the low-temperature collection barrel 239, a plurality of control liquid discharging pipes 317 are connected with the bottom end of the supporting isolation plate 316 in an equidistant penetrating way, a plurality of operation springs 318 are arranged at the top end inside the low-temperature collection barrel 239 in an equidistant way, a closed floating frame 319 is arranged at the position of the bottom end of the plurality of operation springs 318 corresponding to the control liquid discharging pipes 317, a pressing insertion frame 314 is sleeved and arranged at the inner side of the gradual discharging pipe 312, the closed floating frame 319 is arranged at the inner side of the control liquid discharging pipe 317 in a sliding way, so that the gas-liquid separation can be stably operated, an adsorption electromagnet 321 is arranged at the bottom end of the opening-closing electric push rod 320, a side end of the opening-closing electric push rod 321 is magnetically-absorbing connected with the side end of the closing frame, so that the operation can be stably performed when the fixed pushing and fixed positioning, one end of the low-temperature collection barrel 239 is connected with the end of the closing electric push rod 321 in a penetrating way, a buffer pipe 322 is arranged at the position corresponding to the position of the closing pipe 322, a buffer pipe 322 is arranged at the end of the buffer pipe 322, and a buffer pipe 322 is arranged at the end of the buffer pipe 322, and a position of the buffer pipe is arranged at the buffer pipe 322, and a position corresponding to the end is arranged at the end of the buffer position of the buffer pipe 322, and a position of the buffer valve is arranged, and a position is arranged in the buffer valve 322, and a position is arranged in the end, and is corresponding to the position, and a position of the buffer valve is arranged, and a valve device is installed, and a device is installed;

For stable operation of the apparatus, input ends of the booster pump 304, the heat exchange processor 310, the discharge electric push rod 315, the opening and closing electric push rod 320, the adsorption electromagnet 321 and the operation valve 325 are electrically connected with output ends of an external controller.

The working principle and the using flow of the invention are as follows: when natural gas is recovered, a pipeline of an external storage device is clamped and combined with an air inlet directional pipe 220 through a clamping adapter, the air inlet directional pipe 220 is opened through a check electromagnetic valve 240, an L-shaped fixed transmission block 205 is driven to rotate by a transmission motor 204, at the moment, the L-shaped fixed transmission block 205 drives a lifting transmission rod 211 to rotate up and down to do work, the lifting transmission rod 211 drives an L-shaped fixed sleeve block 209 to rotate along a bidirectional air inlet box 201, the lifting transmission rod 211 drives a lifting operation sleeve 212 to lift, when the lifting operation sleeve 212 moves downwards, the air inlet directional pipe 220 at the top draws external air into the inner side of the bidirectional air inlet box 201, meanwhile, an annular electromagnet 215 is closed, an opening and closing spring 213 drives a closing sealing block 214 to lift and separate from the inner side of the lifting operation sleeve 212, and the annular electromagnet 215 seals and limits the closing sealing block 214;

the constant pressure spring 223 drives the I-shaped blocking block 224 to press down along the T-shaped air inlet hole 218, so that top air inlet is completed, meanwhile, air at the bottom end enters the top end along the lifting operation sleeve 212, after air inlet is completed, the lifting operation sleeve 212 ascends along the two-way air inlet box 201, at the moment, the closed sealing block 214 is magnetically sucked by the annular electromagnet 215, so that the closed sealing block 214 and the lifting operation sleeve 212 are sealed to push the air to ascend, at the moment, the impact spring 225 drives the I-shaped impact block 226 to ascend, the air enters the exhaust constant pressure pipe 221 along the two-way air inlet box 201 and the special-shaped air outlet hole 219, and is injected into the inner side of the double-layer separation barrel 229 along the exhaust constant pressure pipe 221, and at the moment, the constant pressure spring 223 and the I-shaped blocking block 224 at the position of the bottom end air inlet orientation pipe 220 are opened, so that air inlet can be simultaneously carried out by ascending and descending at the two ends when air inlet is completed, but only the top end is exhausted, so that air inlet stability can be ensured when air inlet and air inlet is carried out, when air inlet air pressure is insufficient, and air inlet pressure after compressed can be carried out through two-way air inlet cooperation extrusion can be ensured;

The bidirectional air inlet is adopted, so that the condition of work waste caused by bidirectional lifting can be reduced during lifting operation, the working efficiency and speed are ensured, the stable operation of continuous air supply can be ensured, the air inlet quantity can be adjusted by switching the open-close type air inlet, the quantity of each discharging is controlled by the spring limit and the elasticity of the spring, so that the same feeding can be ensured during extrusion feeding, and the equal-order constant-pressure operation is realized;

when gas is injected into the inner side of the first double-layer separation barrel 229, the internal pressure is continuously increased, the pressure inside the double-layer separation barrel 229 is continuously detected through the pressure detector 241, when the pressure is increased to 3MPa to 5MPa, the impurity-contained butane in the natural gas can be liquefied, in the continuous injection process, when the pressure reaches 8MPa, the back-and-forth electromagnet 228 is closed, the insertion spring 207 drives the special-shaped sleeved block 208 to be inserted into the L-shaped sleeved block 209 along the L-shaped fixed block 206 for sleeving and combining, at the moment, the L-shaped fixed block 209 drives the lifting transmission rod 211 positioned on the inner side of the relay compression box 203 to rotate, and then the L-shaped fixed block 206 is driven by the lifting transmission rod 211 to rotate, at the moment, the lifting transmission rod 211 is used for driving the unidirectional pushing sleeve 217 to rotate, and residual gas positioned in the first double-layer separation barrel 229 is extracted through repeated gas inlet and outlet, and when the unidirectional pushing sleeve 217 is pressed down, the gas is injected into the inner side of the relay compression box 203 along the injection fixed pressure pipe 222 and the T-shaped air inlet hole 218;

After the gas injection is completed, the one-way pushing sleeve 217 is lifted, gas enters the second double-layer separation barrel 229 along the relay compression box 203, the special-shaped gas outlet 219 and the exhaust constant pressure pipe 221, so that the gas pressure in the first double-layer separation barrel 229 is reduced, the gas which cannot be liquefied is pumped out, the gas separation operation can be realized during the operation by simultaneously operating the pressure-controlled gas exhaust and the pressure liquefaction, the pumped gas is injected into the second double-layer separation barrel 229, the gas pressure in the double-layer separation barrel 229 is gradually lifted, and the propane in the gas is liquefied when the gas pressure is lifted to 8MPa-10MPa, so that the second gas separation is realized;

when the air pressure in the first double-layer separation barrel 229 is reduced to 3, the check solenoid valve 240 of the injection constant pressure pipe 222 at the position of the first double-layer separation barrel 229 is closed again, the return solenoid 228 is used for magnetically sucking and fixing the special-shaped sleeved block 208, the return solenoid 228 and the special-shaped sleeved block 208 are driven by the return slide rail 227 to separate from the L-shaped fixed sleeve block 209, so that transmission is interrupted, the whole operation condition is regulated according to the actual air inlet condition through transmission combination and transmission separation, and the situation of air inlet and outlet is controlled, meanwhile, the injection constant pressure pipe 222 at the position of the double-layer separation barrel 229 is liquefied by utilizing the liquefaction of butane, thereby ensuring that butane is fully liquefied in the first double-layer separation barrel 229, butane is separated, ensuring the continuity of operation during separation operation, simultaneously avoiding the occurrence of omission caused by insufficient gas liquefaction time, ensuring the effect and efficiency of processing, simultaneously realizing self-control by utilizing equipment during processing, simultaneously reducing the hydraulic pressure loss caused by speed difference and avoiding the occurrence of over-discharge condition during operation, and prolonging the service life of equipment through the combination of hydraulic pressure-stabilizing equipment when the equipment is switched by reducing the hydraulic pressure loss during operation;

When the pressure in the second double-layer separation barrel 229 exceeds 15MPa, the L-shaped fixed sliding block 206 at the position of the double-layer separation barrel 202 is clamped and sleeved with the L-shaped fixed sleeve block 209 through the special-shaped sleeved block 208, the lifting transmission rod 211 and the extending lifting sleeve 216 are driven by the L-shaped fixed sliding block 206, when the double-layer separation barrel moves downwards, the gas at the bottom of the extending lifting sleeve 216 is injected into the double-layer separation barrel 202 along the double-layer separation barrel 202 and the injection fixed pressure pipe 222, meanwhile, the gas at the top end of the gas injection fixed pressure pipe 221 and the T-shaped gas inlet 218 are injected into the double-layer separation barrel 202, when the gas rises, the gas at the top end of the double-layer separation barrel 202 is exhausted along the injection fixed pressure pipe 222 and the special-shaped gas outlet 219, and meanwhile, the gas at the bottom end of the gas injection fixed pressure pipe 221 and the T-shaped gas inlet 218 are utilized, and when the extending lifting sleeve 216 is lifted downwards, the gas injection can be realized quickly and stably, when the gas pressure in the double-layer separation barrel 229 is reduced to 10, the gas separation can be realized through repeated operation and the separation of propane after repeated operation;

the gas is injected into the inner side of the hollow centrifugal rod 232 along the injection constant pressure pipe 222, the hollow centrifugal rod 232 is driven to rotate at a high speed by the synchronous transmission block 210 and the variable speed transmission box 230, the centrifugal fan blades 233 are driven to rotate at a high speed by the hollow centrifugal rod 232, the gas is injected into the position of the centrifugal fan blades 233 along the injection operation hole 236, the gas is centrifugally driven by the centrifugal fan blades 233, the separation baffle 234 is utilized to limit, the gas is diffused to the outside, the flow speed and the air pressure are increased through the special-shaped extrusion groove 235 and the central injection pipe 237, the pressure gas of the gas is gradually increased to be injected into the inner side of the low-temperature collecting barrel 239 along the evacuation pipe 238 through the mutual matching of a plurality of groups, methane and ethane in the gas are liquefied by utilizing the high-pressure and low-temperature environment, so that the recovery of the natural gas is completed, the air pressure is gradually changed through the multi-step separation operation, different alkanes in the gas are separated, the separation operation of the natural gas and the air can be realized, the stable operation of the recovery separation of the natural gas and the air is ensured, and the occurrence of the condition that the uniform condensation of the alkane is avoided when the unified temperature and the pressure is recovered;

When compression, liquefaction and recovery are carried out, the cooling water in the cooling storage box 303 is extracted through the booster pump 304 and the extraction injection cooling pipe 302, the cooling water enters the inner side of the heat exchange cooling cavity 301 along the extraction injection cooling pipe 302, heat generated by compression at the positions of the bidirectional air inlet box 201, the bidirectional air inlet box 202 and the relay compression box 203 is reduced through continuous water injection cooling, the condition that equipment cannot work normally due to overhigh temperature is avoided, the heat exchange processor 310, the constant temperature heat exchange plate 309 and the constant temperature heat exchange cavity 308 are utilized to carry out constant temperature control on the double-layer separation barrel 229, the cooling water is injected into the inner side of the cooling insertion box 306 through the injection operation pipe 305, the heat exchange operation is carried out through the heat exchange contact plate 311, the cooling insertion box 306 and the heat exchange processor 310, the constant temperature supply stability operation is ensured, and the cooling water is returned to the inner side of the cooling storage box 303 through the backflow support pipe 307, so that the constant operation can be carried out during treatment, and the stable operation of temperature control is ensured;

the pushing down insertion frame 314 is pushed to rise along the gradual change material discharging pipe 312 through the material discharging electric push rod 315, the gradual change material discharging pipe 312 is opened, butane positioned at the top end of the inner side of the first double-layer separation barrel 229 and propane positioned at the top end of the inner side of the second double-layer separation barrel 229 are injected into the bottom end of the double-layer separation barrel 229 along the gradual change material discharging pipe 312 at the moment, separation collection is carried out, the liquefied product is injected into the inner side of the low-temperature collection barrel 239 through the check solenoid valve 240 and the emptying pipe 238, after material discharging is completed, the pushing down insertion frame 314 is driven to be pushed down to the inner side of the gradual change material discharging pipe 312 through the pushing down spring 313, the closing floating frame 319 is driven to rise along the control liquid discharging pipe 317 through the opening and closing electric push rod 320 and the adsorption electromagnet 321, liquefied products of methane and ethane are discharged into the inner side of the low-temperature collection barrel 239 along the supporting separation plate 316, after material discharging is completed, the closing floating frame 319 is driven to the inner side of the control liquid discharging pipe 317 through the operation spring 318, the pushing down insertion frame 314 and the closing floating frame 319 are driven to rise and fall, and when liquid is accumulated too much, the liquid can push the pushing down insertion frame 314 and the closing floating frame 319 to rise, the closing floating frame 319 is driven, the air discharging device is driven to rise and the air discharging device is continuously, the liquefied material is stably through the operation of the air discharging valve, and can be stably kept through the air discharging valve, and can be stably through the air discharging and the air through the air discharging valve.

Finally, it should be noted that: the foregoing is merely a preferred example of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a natural gas recycling's compression device, includes bearing mounting bracket (1), its characterized in that: the bearing mounting frame (1) is provided with a layer separation compression assembly (2);

the hierarchical separation compression assembly (2) comprises a bidirectional air inlet box (201);

the bidirectional compression type air inlet device comprises a bearing installation frame (1), a bidirectional air inlet box (201) is fixedly connected to one side of the top end of the bearing installation frame (1), a bidirectional air inlet box (202) is fixedly connected to the other side of the top end of the bearing installation frame (1), a relay compression box (203) is fixedly connected to the middle of the top end of the bearing installation frame (1), a transmission motor (204) is installed at the bottom of one end of the bidirectional air inlet box (201) through a motor base, an L-shaped fixed transmission block (205) is clamped on an output shaft of the transmission motor (204), L-shaped fixed sliding blocks (206) are rotatably connected to the bottoms of one end of the bidirectional air inlet box (202) and one end of the relay compression box (203), a plurality of inserting springs (207) are equidistantly installed at one end of the L-shaped fixed sliding blocks (206), a special-shaped sleeved block (208) is welded at one end of each of the plurality of inserting springs (207), an L-shaped fixed sleeve block (209) is rotatably sleeved at the position of one end of the bidirectional air inlet box (201) and one end of the relay compression box (203), and one end bottom of the bidirectional air inlet box (202) far from the L-shaped fixed sliding block (206) is rotatably connected with a synchronous transmission block (210);

A lifting transmission rod (211) is rotatably connected between the L-shaped fixed transmission block (205) and the L-shaped fixed sleeve block (209), between the L-shaped fixed sleeve block (209) and the L-shaped fixed sliding block (206) and between the synchronous transmission block (210) and the L-shaped fixed sliding block (206), wherein a lifting operation sleeve (212) is rotatably sleeved at the top of the side end of the lifting transmission rod (211) positioned at the position of the bidirectional air inlet box (201), an extension lifting sleeve (216) is rotatably connected at the top of the side end of the lifting transmission rod (211) positioned at the position of the bidirectional air inlet box (202), and a unidirectional pushing sleeve (217) is rotatably connected at the top of the side end of the lifting transmission rod (211) positioned at the position of the relay compression box (203);

a return electric sliding rail (227) is embedded and mounted at the position of the top end of the bearing mounting frame (1) corresponding to the special-shaped sleeved block (208), and a return electromagnet (228) is clamped at the top end of the return electric sliding rail (227) through a sliding rail seat;

the bidirectional inlet and outlet box is characterized in that a speed change transmission box (230) is clamped at the position of the bidirectional inlet and outlet box (202) corresponding to the synchronous transmission block (210), a centrifugal compression barrel (231) is clamped at the position of the bearing mounting frame (1) top corresponding to the speed change transmission box (230), a hollow centrifugal rod (232) is sleeved on the inner side of the centrifugal compression barrel (231), a plurality of centrifugal fan blades (233) are equidistantly arranged at the side end of the hollow centrifugal rod (232), a separation baffle (234) is fixedly connected to the side end of the hollow centrifugal rod (232), a plurality of special-shaped extrusion grooves (235) are equidistantly formed in the side end of the centrifugal compression barrel (231), and a plurality of injection operation holes (236) are equidistantly formed in the side end of the hollow centrifugal rod (232);

A plurality of opening and closing springs (213) are equidistantly arranged on the inner side of the lifting operation sleeve (212), a closing sealing block (214) is arranged at the top ends of the opening and closing springs (213), and an annular electromagnet (215) is arranged on the inner side of the lifting operation sleeve (212) corresponding to the position of the closing sealing block (214);

t-shaped air inlets (218) are formed in the top end and the side end of the bidirectional air inlet box (201), the top end and the side end of the bidirectional air inlet box (202) and the top end of the relay compression box (203), special-shaped air outlets (219) are formed in the top end and the side end of the bidirectional air inlet box (201), an air inlet directional pipe (220) is fixedly connected to the top end and the side end of the bidirectional air inlet box (201), an air outlet fixed pressure pipe (221) is sleeved on the top end and the side end of the bidirectional air inlet box (201), an injection fixed pressure pipe (222) is clamped between the top end and the side end of the bidirectional air inlet box (203), fixed pressure springs (223) are arranged at positions of the top end and the side end of the bidirectional air inlet box (201) corresponding to the T-shaped air inlets (218), fixed pressure springs (225) are arranged at positions of the side end of the fixed pressure springs (223) corresponding to the T-shaped air inlets (218), two-way air inlets (219) are fixedly connected to the top end of the bidirectional air inlet box (202) corresponding to the position of the fixed pressure fixing pipe (222), an I-shaped impact block (226) is arranged at the position of the impact spring (225) corresponding to the special-shaped air outlet hole (219);

The top end of the bearing mounting frame (1) is symmetrically clamped with a double-layer separation barrel (229) at the positions corresponding to the exhaust constant pressure pipe (221) and the injection constant pressure pipe (222);

a central injection pipe (237) is arranged at the position corresponding to the special-shaped extrusion groove (235) on the inner side of the centrifugal compression barrel (231), emptying pipes (238) are connected to the side ends of the double-layer separation barrel (229) and the centrifugal compression barrel (231) in a penetrating manner, a low-temperature collection barrel (239) is sleeved on the inner side of the bearing mounting frame (1), a check electromagnetic valve (240) is embedded and arranged at one end of the air inlet directional pipe (220), the air exhaust constant pressure pipe (221), the injection constant pressure pipe (222), the central injection pipe (237) and one end of the emptying pipe (238), and a pressure detector (241) is embedded and arranged at the top end of the double-layer separation barrel (229);

the device is provided with a layer-step separation compression assembly (2), an L-shaped fixed sliding block (206) and an L-shaped fixed sleeve block (209) are combined through a special-shaped sleeve block (208), so that a plurality of groups of processing equipment are transmitted and combined during processing, the equipment is controlled to operate simultaneously, the lifting operation sleeve (212) and the closing sealing block (214) are controlled by an annular electromagnet (215) and an opening and closing spring (213) to operate synchronously by utilizing the up-down matching air inlet and one-way air outlet, the air supply stability is ensured, the air supply speed is accelerated, and the air inlet and outlet pressure is limited through a constant pressure spring (223), an I-shaped blocking block (224), an impact spring (225) and an I-shaped impact block (226);

Gradually pressurizing through a bidirectional air inlet box (201), a bidirectional air inlet box (202), a bidirectional air outlet box (203), a lifting operation sleeve (212), an extension lifting sleeve (216) and a unidirectional pushing sleeve (217), centrifugally pressurizing in cooperation with a centrifugal compression barrel (231), a hollow centrifugal rod (232) and centrifugal fan blades (233), separating and limiting different gases through a double-layer separation barrel (229), and liquefying different gases according to different gases.

2. The compression device for recycling natural gas according to claim 1, wherein the L-shaped fixed transmission block (205) and the L-shaped fixed sleeve block (209) are rotatably installed at the side end of the bidirectional air inlet box (201), the L-shaped fixed sliding block (206) and the L-shaped fixed sleeve block (209) are rotatably installed at the side end of the relay compression box (203), the L-shaped fixed sliding block (206) and the synchronous transmission block (210) are rotatably installed at the side end of the bidirectional air inlet box (202), and the L-shaped fixed sliding block (206) and the special-shaped sleeve block (208) are slidably combined;

the special-shaped sleeve block (208) is in sliding sleeve combination with the L-shaped sleeve fixing block (209), the closed sealing block (214) is slidably mounted on the inner side of the lifting operation sleeve (212), and the closed sealing block (214) is in magnetic attraction connection with the annular electromagnet (215).

3. The device for recycling and reusing natural gas according to claim 1, wherein the i-shaped blocking block (224) is slidably mounted inside the T-shaped air inlet hole (218), the i-shaped impact block (226) is sleeved and combined with the special-shaped air outlet hole (219), and the exhaust constant pressure pipe (221) and the injection constant pressure pipe (222) are both connected with the double-layer separation barrel (229) in a penetrating manner.

4. The device according to claim 1, wherein the output shaft of the gearbox (230) is connected to one end of the hollow centrifugal rod (232) in a clamping manner, and one of the injection constant pressure pipes (222) is installed inside the hollow centrifugal rod (232) in a sleeved manner.

5. The compression device for natural gas recovery and reuse according to claim 1, wherein said emptying pipe (238) is combined with one end of a cryogenic collecting vessel (239) by means of an adapter;

the input ends of the transmission motor (204), the annular electromagnet (215), the back-and-forth electric sliding rail (227), the back-and-forth electromagnet (228), the check electromagnetic valve (240) and the pressure detector (241) are electrically connected with the output end of the external controller;

6. The compression device for natural gas recycling according to claim 5, wherein the side end of the bearing mounting frame (1) is provided with a multi-separation operation assembly (3);

the multi-separation operating assembly (3) comprises a heat exchange cooling cavity (301);

the heat exchange cooling cavity (301) is respectively arranged at the inner sides of the bidirectional air inlet box (201), the bidirectional air inlet box (202) and the relay compression box (203), the suction injection cooling pipes (302) are respectively connected with one ends of the bidirectional air inlet box (201), the bidirectional air inlet box (202) and the relay compression box (203) in a penetrating manner, the cooling storage box (303) is fixedly connected with one end of the bearing mounting frame (1) at the position corresponding to the suction injection cooling pipes (302), the booster pump (304) is arranged at one end of the cooling storage box (303) at the position corresponding to the suction injection cooling pipes (302) through a motor seat, the discharge injection operating pipes (305) are respectively connected with one ends of the bidirectional air inlet box (201), the bidirectional air inlet box (202) and the relay compression box (203), the cooling insertion boxes (306) are respectively connected with a plurality of backflow supporting pipes (307) in a penetrating manner at one ends of the discharge injection operating pipes (305), the inner sides of the double-layer separation barrel (229) are respectively provided with a constant temperature heat exchange cavity (308), the constant temperature inner sides of the constant temperature heat exchange cavity (308) are respectively inserted into the constant temperature double-layer heat exchange barrel (309), the constant temperature heat exchange cavity (309) are respectively connected with the constant temperature heat exchange plate (309), the constant temperature heat exchange device (309) and the heat exchanger (310), a heat exchange contact plate (311) is inserted and installed on the inner side of the cooling insertion box (306);

The utility model discloses a buffer storage tube (323) is installed to double-deck separator bowl (229), inside middle part through connection has gradual change row material pipe (312), inside top mid-mounting of double-deck separator bowl (229) has pushing down spring (313), pushing down spring (313) bottom is installed pushing down and inserting frame (314), inside bottom mid-mounting of double-deck separator bowl (229) has row material electricity push rod (315), the inboard welding of low temperature collecting vessel (239) has support division board (316), support division board (316) bottom equidistance through connection has a plurality of control fluid-discharge tube (317), a plurality of operating spring (318) are installed to low temperature collecting vessel (239) inboard top equidistance, a plurality of operating spring (318) bottom corresponds control fluid-discharge tube (317) position department and installs closed floating frame (319), opening and closing electricity push rod (320) are installed at low temperature collecting vessel (239) side top, adsorbing electromagnet (321) are installed to opening and closing electricity push rod (320) bottom, separation installation tube (322) are installed in low temperature collecting vessel (239) one end through connection, separation tube (322) are installed on top, buffer storage tube (323) are installed to buffer storage tube (323) corresponding separation position (324), an operation valve (325) is embedded and installed at one end of the separation installation tube (322) and one end of the pressure stabilizing tube (324).

7. The compression device for natural gas recycling according to claim 6, wherein the pumping and injecting cooling pipe (302) is clamped with the booster pump (304) through an adapter, the pumping and injecting cooling pipe (302) is installed inside the cooling storage box (303) in a penetrating manner, and the cooling insertion box (306) is fixedly connected with the cooling storage box (303).

8. The device according to claim 6, wherein the heat exchange processor (310) is in sleeved combination with the cooling insert box (306), the pushing-down insert frame (314) is sleeved on the inner side of the gradual discharge pipe (312), and the closed floating frame (319) is slidably mounted on the inner side of the control discharge pipe (317).

9. The compression device for natural gas recycling according to claim 6, wherein the side end of the adsorption electromagnet (321) is magnetically connected with the side end of the closed floating frame (319);

the input ends of the booster pump (304), the heat exchange processor (310), the discharging electric push rod (315), the opening and closing electric push rod (320), the adsorption electromagnet (321) and the operation valve (325) are electrically connected with the output end of the external controller.