CN116286123A

CN116286123A - Multistage natural gas separator

Info

Publication number: CN116286123A
Application number: CN202310313574.3A
Authority: CN
Inventors: 朱嘉豪; 谢英; 左直建; 王文杰; 王艇鹏; 郑杨铭
Original assignee: Southwest Petroleum University
Current assignee: Southwest Petroleum University
Priority date: 2023-03-28
Filing date: 2023-03-28
Publication date: 2023-06-23

Abstract

The invention discloses a multistage natural gas separator, which relates to the technical field of natural gas separators and comprises a connecting frame, wherein an outer mounting cylinder is fixedly connected inside the connecting frame. When the solid-gas separation device is used, the driving assembly is used for driving the filter cylinder to rotate, the second scraping plate is driven to rotate, the first scraping plate is connected with the air inlet pipe, the gas in the introduced gas-solid mixture is extracted by the extraction assembly, heavier solids fall into the crushing assembly, solid and gas which does not fall are adsorbed on the inner walls of the filter cylinder and the outer mounting cylinder, and finally the gas in the solid crack is rolled out by the driving second scraping plate, the driven first scraping plate and the crushing assembly, so that solid and gas are separated, solid impurities in the outer mounting cylinder and the filter cylinder are scraped, fall into the crushing assembly to be crushed, and finally fall into the collecting box to complete collection, thereby achieving the effect of fully separating the solid and the gas.

Description

Multistage natural gas separator

Technical Field

The invention relates to the technical field of natural gas separators, in particular to a multi-stage natural gas separator.

Background

Natural gas is a collective term for hydrocarbon-based gas mixtures found in subsurface rock reservoirs, including atmospheric circles, water circles, and gases formed by various natural processes in rock circles (including oilfield gas, gas field gas, mudguard gas, coalbed gas, and biogenic gas, etc.), and after natural gas production, it is necessary to separate impurities in the natural gas, particularly those remaining in solid seams, and thus it is necessary to use a natural gas separator.

Most of the existing natural gas separators only have one separation process, namely only single separation of solid impurities in natural gas is realized, the separation effect is poor, full solid-gas separation cannot be realized, and liquid impurities in natural gas, namely water, cannot be separated conveniently, and on the other hand, most of the existing natural gas separators have lower automation level, so that the separated impurities are required to be manually treated.

Disclosure of Invention

Based on the above, the invention aims to provide a multi-stage natural gas separator, which solves the technical problems that the separation effect is poor, the full solid-gas separation can not be realized, the function is single, the automation is reduced, and the overall working efficiency is reduced in the prior art.

In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides a multistage formula natural gas separator, includes the link, the inside fixedly connected with of link is outer to install the section of thick bamboo, the inside rotation of outer installation section of thick bamboo is connected with the cartridge filter, the top intercommunication of link has the intake pipe that rotates mutually with the cartridge filter, the outside of intake pipe is provided with the first scraper blade with cartridge filter inner wall matched with, the outside of cartridge filter is provided with the second scraper blade with the inner wall matched with of outer installation section of thick bamboo, the cartridge filter is connected with the top of outer installation section of thick bamboo respectively and is had first unloading pipe and second unloading pipe, the link be provided with the transition case, the bottom of link is provided with and is connected with broken subassembly with the transition case, the bottom intercommunication in the outside of broken subassembly has the collecting box, the inside bottom of link is provided with the rotating assembly who cooperatees with first unloading pipe, the top intercommunication of cartridge filter has the interior siphunculus, the inner intercommunication of interior siphunculus has with outer installation section of thick bamboo

The dehumidification box that is linked together, broken subassembly's top install with dehumidification box and interior linked together matched with dehumidification subassembly, the output intercommunication of dehumidification box has extraction subassembly, be connected with drive assembly between extraction subassembly and the broken subassembly.

Through adopting above-mentioned technical scheme, utilize drive assembly to drive the cartridge filter and rotate, thereby drive the second scraper blade and rotate, again because of first scraper blade is connected with the intake pipe, and utilize extraction assembly's effect, gas in the gas-solid mixture of leading-in carries out the extraction, those heavier solids, then drop to broken subassembly in, and the solid gas that does not drop, then adsorb on cartridge filter and the inner wall of outer installation section of thick bamboo, at last by driven second scraper blade and driven first scraper blade and under the effect of broken subassembly, with the gaseous roll-out in the solid crack, thereby make solid-gas separation, with this solid impurity in outer installation section of thick bamboo and the cartridge filter is advanced to strike off, and fall into broken subassembly in, finally fall into to the collecting box, accomplish the collection, reach the abundant separation effect of solid-gas, and the gas after the separation enters into the dehumidification case, and at this in-process, the effect of cooperation heating fan subassembly, get into the first connecting pipe along the steam, and then in the case outside, and utilize the heat transfer effect to the interior connection pipe and the moisture removal case to carry out the separation, thereby the inside is more completely, the moisture is removed, the effect is realized, and the inside is more completely separated, and the drying effect is achieved, and the waste is more completely separated.

The invention further provides that the crushing assembly comprises a crushing cylinder, a crushing wheel, a first gear set, a rotating shaft and a partition plate, wherein the bottom of the transition box is communicated with the crushing cylinder, the crushing cylinder is divided into a crushing area and a transition area through the partition plate, the crushing wheel is symmetrically arranged in the crushing area, one end of the partition plate is provided with the first gear set connected with the crushing wheel, and the rotating shaft is arranged on the outer side of the first gear set.

Through adopting above-mentioned technical scheme, utilize the effect of first gear train, be convenient for rotate two sets of broken barrels to this crushing task of completion is in order to follow-up work.

The rotary assembly comprises a driving assembly and a second gear set, wherein the driving assembly is arranged at the top end of the inside of the connecting frame, and the second gear set is arranged at the output end of the driving assembly and the outer side of the first blanking pipe.

Through adopting above-mentioned technical scheme, utilize drive assembly and the effect of second gear train, be convenient for drive first unloading pipe and cartridge filter and rotate to this completion rolls the task, with this better completion work.

The invention is further arranged that the dehumidification assembly comprises a heating fan assembly, a split flow cavity, a first connecting pipe, an outer communicating pipe and an insulation box, the insulation box is arranged on the outer side of the dehumidification box, the outer communicating pipe matched with the inner communicating pipe is communicated with the bottom of the insulation box, the heating fan assembly is arranged at the top of the crushing cylinder, the split flow cavity communicated with the outer communicating pipe is arranged at the output end of the heating fan assembly, and a third connecting pipe is communicated between the outer mounting cylinder and the dehumidification box.

Through adopting above-mentioned technical scheme, utilize dehumidification subassembly's effect, be convenient for reach dehumidification effect, reuse heating fan subassembly's effect, the hot air supply effect of being convenient for to the cooperation is accomplished work.

The invention further provides that the extraction assembly comprises a cylinder, an impeller, an air outlet pipe and a fourth connecting pipe, wherein one end of the dehumidifying box is communicated with the cylinder through the fourth connecting pipe, the impeller is arranged in the cylinder, and the air outlet pipe is communicated with the outer side of the cylinder.

By adopting the technical scheme, the cylinder, the impeller and the air outlet pipe are utilized to act with the fourth connecting pipe, so that the air suction task can be conveniently completed.

The invention is further arranged that the transmission assembly comprises a belt and a belt pulley, the output ends of the rotating shaft and the impeller are respectively provided with the belt pulley, and the belt pulleys are connected through the belt.

By adopting the technical scheme, the transmission assembly is convenient for completing force transmission by utilizing the action of the transmission assembly, so that the utilization rate of force is maximized.

The invention is further characterized in that an intermediate support plate is connected between the inside of the outer mounting cylinder and the filter cylinder, and through holes are uniformly formed in the top of the intermediate support plate.

Through adopting above-mentioned technical scheme, utilize the effect of intermediate support plate, be convenient for support the cartridge filter to make stably.

The invention is further arranged in such a way that a second connecting pipe is communicated between the collecting box and the crushing cylinder, a discharging pipe is communicated with the outer side of the collecting box, a valve is arranged on the outer side of the discharging pipe, and a filter plate is arranged at the contact part of the outer mounting cylinder and the third connecting pipe.

Through adopting above-mentioned technical scheme, utilize the effect of second connecting pipe, be convenient for make the air current circulate, reuse discharging pipe and valve's effect, the unloading of being convenient for.

The invention is further characterized in that the top of the heat insulation box is communicated with a pressure relief pipe.

Through adopting above-mentioned technical scheme, utilize the effect of pressure release pipe, the pressure release of being convenient for.

In summary, the invention has the following advantages: when the solid-liquid separator is used, the driving assembly is utilized to drive the filter cylinder to rotate, so that the second scraping plate is driven to rotate, the first scraping plate is connected with the air inlet pipe, the gas in the introduced gas-solid mixture is extracted by utilizing the action of the extracting assembly, heavier solids fall into the crushing assembly, solid and gas which does not fall down are adsorbed on the inner walls of the filter cylinder and the outer mounting cylinder, finally, the gas in the solid crack is rolled out by the action of the driven second scraping plate, the driven first scraping plate and the crushing assembly, so that the solid and the gas are separated, the solid impurities in the outer mounting cylinder and the filter cylinder are scraped into the crushing assembly, the solid and the gas fall into the crushing assembly to be crushed, the collection box is finally, the full separation effect of the solid and the gas is achieved, the separated gas enters into the dehumidifying box, the solid and the gas enter into the first connecting pipe along the flow dividing cavity in the process by matching with the action of the heating fan assembly, the inner connecting pipe is finally, the gas in the inner connecting pipe is crushed by utilizing the heat transfer effect, the solid and the moisture in the dehumidifying box is completely separated, the solid and the solid are completely separated, the moisture is completely separated, and the moisture is completely and the waste is completely separated.

Drawings

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

FIG. 2 is a side view of the present invention;

FIG. 3 is a schematic illustration of the front cross-section of the present invention;

FIG. 4 is a schematic view of the internal structure of the present invention;

FIG. 5 is an enlarged view of the invention at A of FIG. 4;

fig. 6 is a schematic view of a part of the structure of the present invention.

In the figure: 1. a connecting frame; 2. an outer mounting cylinder; 3. a filter cartridge; 4. an air inlet pipe; 5. a first blanking pipe; 6. a transition box; 7. a crushing cylinder; 8. a collection box; 9. a discharge pipe; 10. a valve; 11. an insulation box; 12. a dehumidifying box; 13. a cylinder; 14. an outer communicating tube; 15. a second blanking pipe; 16. a heating fan assembly; 17. a shunt cavity; 18. a first connection pipe; 19. a rotating shaft; 20. a belt pulley; 21. a belt; 22. a second connection pipe; 23. an air outlet pipe; 24. a pressure relief tube; 25. a crushing wheel; 26. an intermediate support plate; 27. a through hole; 28. a first scraper; 29. a third connection pipe; 30. a fourth connection pipe; 31. an impeller; 32. a filter plate; 33. an inner connecting pipe; 34. a first gear set; 35. a drive assembly; 36. a second gear set; 37. and a second scraper.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

Hereinafter, an embodiment of the present invention will be described in accordance with its entire structure.

1-6, including a connecting frame 1, an outer mounting cylinder 2 is fixedly connected to the inside of the connecting frame 1, a filter cartridge 3 is rotatably connected to the inside of the outer mounting cylinder 2, an air inlet pipe 4 which rotates with the filter cartridge 3 is communicated with the top of the connecting frame 1, a first scraping plate 28 matched with the inner wall of the filter cartridge 3 is arranged on the outer side of the air inlet pipe 4, a second scraping plate 37 matched with the inner wall of the outer mounting cylinder 2 is arranged on the outer side of the filter cartridge 3, a first blanking pipe 5 and a second blanking pipe 15 are respectively communicated with the tops of the filter cartridge 3 and the outer mounting cylinder 2, a transition box 6 is arranged on the connecting frame 1, a crushing assembly is communicated with the transition box 6 at the bottom of the connecting frame 1, a collecting box 8 is communicated with the bottom of the outer side of the crushing assembly, a rotating assembly matched with the first blanking pipe 5 is arranged at the inner bottom of the connecting frame 1, the rotary component is utilized to drive the filter cartridge 3 to rotate so as to drive the second scraper 37 to rotate, and as the first scraper 28 is connected with the air inlet pipe 4, the top of the filter cartridge 3 is communicated with the inner connecting pipe 33, the inner end of the inner connecting pipe 33 is communicated with the dehumidifying box 12 communicated with the outer mounting cylinder 2, the top of the crushing component is provided with a dehumidifying component matched with the dehumidifying box 12 and the inner connecting pipe 33, the output end of the dehumidifying box 12 is communicated with an extracting component, the gas in the imported gas-solid mixture is extracted by the action of the extracting component, heavier solids fall into the crushing component, the solid gas which does not fall is adsorbed on the inner walls of the filter cartridge 3 and the outer mounting cylinder 2, a transmission component is mutually connected between the extracting component and the crushing component, under the action of the driven second scraper 37 and the driven first scraper 28, the gas in the solid crack is rolled out, so that solid and gas are separated, solid impurities in the outer mounting cylinder 2 and the filter cylinder 3 are scraped, fall into the crushing assembly to be crushed, finally fall into the collecting box 8, and the collecting is completed, so that the effect of fully separating the solid and the gas is achieved.

Referring to fig. 4, the crushing assembly includes a crushing cylinder 7, a crushing wheel 25, a first gear set 34, a rotating shaft 19 and a partition board, the bottom of the transition box 6 is communicated with the crushing cylinder 7, the crushing cylinder 7 is divided into a crushing area and a transition area by the partition board, the crushing wheel 25 is symmetrically arranged in the crushing area, one end of the partition board is provided with the first gear set 34 connected with the crushing wheel 25, the rotating shaft 19 is arranged on the outer side of the first gear set 34, and the two groups of crushing cylinders 7 are conveniently rotated by utilizing the action of the first gear set 34, so that crushing tasks are completed for subsequent work.

Referring to fig. 4, the rotating assembly includes a driving assembly 35 and a second gear set 36, the driving assembly 35 is mounted at the top end of the inside of the connecting frame 1, the second gear set 36 is disposed at the output end of the driving assembly 35 and the outside of the first discharging tube 5, and the first discharging tube 5 and the filter cartridge 3 are driven to rotate by utilizing the actions of the driving assembly 35 and the second gear set 36, so as to complete the rolling task, thereby completing the work better.

Referring to fig. 3, the dehumidifying assembly includes a heating fan assembly 16, a split-flow chamber 17, a first connecting pipe 18, an outer communicating pipe 14 and an insulation can 11, the insulation can 11 is disposed at the outer side of the dehumidifying can 12, the outer communicating pipe 14 matched with the inner connecting pipe 33 is disposed at the bottom of the insulation can 11, the heating fan assembly 16 is disposed at the top of the crushing cylinder 7, the dehumidifying effect is achieved by utilizing the effect of the dehumidifying assembly, the effect of the heating fan assembly 16 is recycled, the hot air effect is achieved by utilizing the effect of the heating fan assembly 16, so that the cooperation is completed, the output end of the heating fan assembly 16 is provided with the split-flow chamber 17 communicated with the outer communicating pipe 14, a third connecting pipe 29 is communicated between the outer mounting cylinder 2 and the dehumidifying can 12, the separated gas enters the dehumidifying can 12, in the process, hot air enters the first connecting pipe 18 along the split-flow chamber 17, finally enters the insulation can 11 by the outer communicating pipe 14, and the heat transfer effect is utilized to perform the dehumidifying effect on the through pipe 33 and the dehumidifying can 12, the inner separated gas is dried, the moisture is completely removed, the solid is completely separated, the solid is not separated is completely separated, the solid is completely separated, and the solid is fully separated, the waste is fully is recovered, and the effect is fully is recovered.

Referring to fig. 4 and 5, the extracting assembly includes a cylinder 13, an impeller 31, an air outlet pipe 23 and a fourth connecting pipe 30, wherein one end of the dehumidifying box 12 is communicated with the cylinder 13 through the fourth connecting pipe 30, the impeller 31 is disposed in the cylinder 13, the air outlet pipe 23 is communicated with the outside of the cylinder 13, and the air exhausting task is conveniently completed by utilizing the functions of the cylinder 13, the impeller 31, the air outlet pipe 23 and the fourth connecting pipe 30.

Referring to fig. 1, the transmission assembly includes a belt 21 and a belt pulley 20, the output ends of the rotating shaft 19 and the impeller 31 are respectively provided with the belt pulley 20, the belt pulleys 20 are connected through the belt 21, and the transmission assembly is used for conveniently completing force transmission so as to maximize the utilization rate of force.

Referring to fig. 3, an intermediate support plate 26 is connected between the inside of the outer mounting cylinder 2 and the filter cartridge 3, through holes 27 are uniformly formed at the top of the intermediate support plate 26, and the filter cartridge 3 is conveniently supported by using the action of the intermediate support plate 26 so as to be stable.

Referring to fig. 1, a second connecting pipe 22 is communicated between the collecting box 8 and the crushing cylinder 7, a discharging pipe 9 is communicated with the outer side of the collecting box 8, a valve 10 is arranged on the outer side of the discharging pipe 9, a filter plate 32 is arranged at the contact position of the outer mounting cylinder 2 and the third connecting pipe 29, the effect of the second connecting pipe 22 is utilized to facilitate the circulation of air flow, and the effect of the discharging pipe 9 and the valve 10 is utilized to facilitate the discharging.

Referring to fig. 1, the top of the incubator 11 is connected with a pressure relief pipe 24, so that pressure relief is facilitated by using the pressure relief pipe 24.

The working principle of the invention is as follows: when in use, the driving component 35, the crushing component and the extracting component are started at the same time, and during the operation, the solid-gas mixture is led in by the air inlet pipe 4, during the input process, the extracting component is acted by the extracting component, and concretely, the rotating shaft 19 is utilized, and under the action of the transmission component, the belt 21 and the belt pulley 20, the extracting component is driven to work, and the impeller 31 is driven to rotate, so that the air in the outer mounting cylinder 2, the crushing cylinder 7 and the collecting box 8 is pumped into the dehumidifying box 12 in full, specifically, the crushing cylinder 7 is divided into a crushing area and a transition area, the crushing area and the transition area are communicated with each other, so that the air released after the solid is crushed flows into the transition area, and the collecting box 8 and the crushing cylinder 7 are communicated with each other through the second connecting pipe 22, the air in the collecting box 8 is led into the transition area, finally, the air in the dehumidifying box 12 is led into the dehumidifying box 33 by the through the dehumidifying mechanism, and the heating fan component is started, so that the hot air enters the outer box 14 along the splitting cavity 17, finally enters the air outlet pipe 11, and finally enters the air outlet pipe 11 for heat insulation treatment, and then the subsequent drying treatment is carried out through the heat insulation treatment;

the solid-gas separation is specifically operated to adsorb lighter solids to the inner wall of the filter cartridge 3, and the driving component 35 drives the second gear set 36 to rotate, so that the filter cartridge 3 and the first blanking pipe 5 rotate, and the second scraping plate 37 is driven to rotate, and the first scraping plate 28 is connected with the air inlet pipe 4, so that the heavier solids fall into the crushing component, the solid gas which does not fall is adsorbed on the inner wall of the filter cartridge 3 and the outer mounting cylinder 2, and finally the gas in the solid crack is crushed out under the action of the driving second scraping plate 37, the driven first scraping plate 28 and the crushing component;

further, the second scraper 37 with active rotation and the first scraper 28 with passive rotation form a diversion effect, so that the collected solids fall into the transition box 6 along the first blanking pipe 5 and the second blanking pipe 15 respectively, finally enter the crushing cylinder 7, and the crushing wheels 25 are driven to rotate by the outside, and under the action of the first gear set 34, the two groups of crushing wheels 25 rotate relatively together to complete crushing, and the rotating shaft 19 is driven to rotate, and finally the extraction assembly is driven to complete work under the action of the transmission assembly. Although embodiments of the invention have been shown and described, the detailed description is to be construed as exemplary only and is not limiting of the invention as the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples, and modifications, substitutions and alterations may be made to the examples as may be desired without departing from the principles and spirit of the invention, without departing from the spirit and scope of the invention as defined by the patent law.

Claims

1. The utility model provides a multistage formula natural gas separator, includes link (1), its characterized in that: the inside fixedly connected with outer installation section of thick bamboo (2) of link (1), the inside rotation of outer installation section of thick bamboo (2) is connected with cartridge filter (3), the top intercommunication of link (1) has intake pipe (4) pivoted mutually with cartridge filter (3), the outside of intake pipe (4) is provided with first scraper blade (28) with cartridge filter (3) inner wall matched with, the outside of cartridge filter (3) is provided with second scraper blade (37) with the inner wall matched with of outer installation section of thick bamboo (2), the top of cartridge filter (3) and outer installation section of thick bamboo (2) is linked together respectively has first unloading pipe (5) and second unloading pipe (15), the utility model is characterized in that a transition box (6) is arranged on the connecting frame (1), a crushing component is arranged at the bottom of the connecting frame (1) and communicated with the transition box (6), a collecting box (8) is communicated at the bottom of the outer side of the crushing component, a rotating component matched with the first blanking pipe (5) is arranged at the bottom of the inside of the connecting frame (1), an inner connecting pipe (33) is communicated with the top of the filter cylinder (3), a dehumidifying box (12) communicated with the outer mounting cylinder (2) is communicated with the inner end of the inner connecting pipe (33), a dehumidifying component matched with the dehumidifying box (12) and the inner connecting pipe (33) is arranged at the top of the crushing component, the output end of the dehumidifying box (12) is communicated with an extracting assembly, and a transmission assembly is connected between the extracting assembly and the crushing assembly.

2. The multi-stage natural gas separator of claim 1, wherein: the crushing assembly comprises a crushing barrel (7), a crushing wheel (25), a first gear set (34) and a rotating shaft (19) and a partition plate, wherein the crushing barrel (7) is communicated with the bottom of the transition box (6), the crushing barrel (7) is divided into a crushing area and a transition area through the partition plate, the crushing wheel (25) is symmetrically arranged in the crushing area, the first gear set (34) connected with the crushing wheel (25) is arranged at one end of the partition plate, and the rotating shaft (19) is arranged at the outer side of the first gear set (34).

3. The multi-stage natural gas separator of claim 1, wherein: the rotary assembly comprises a driving assembly (35) and a second gear set (36), the driving assembly (35) is arranged at the top end of the inside of the connecting frame (1), and the second gear set (36) is arranged at the output end of the driving assembly (35) and the outer side of the first blanking pipe (5).

4. The multi-stage natural gas separator of claim 1, wherein: the dehumidification subassembly includes heating fan subassembly (16), reposition of redundant personnel chamber (17), first connecting pipe (18), outer communicating pipe (14) and insulation can (11), the outside of dehumidification case (12) is provided with insulation can (11), the bottom intercommunication of insulation can (11) has outer communicating pipe (14) with interior linked pipe (33) matched with, the top of broken section of thick bamboo (7) is provided with heating fan subassembly (16), the output of heating fan subassembly (16) is provided with reposition of redundant personnel chamber (17) that are linked together with outer communicating pipe (14), the intercommunication has third connecting pipe (29) between outer installation section of thick bamboo (2) and dehumidification case (12).

5. The multi-stage natural gas separator of claim 1, wherein: the extraction assembly comprises a cylinder (13), an impeller (31) and an air outlet pipe (23) and a fourth connecting pipe (30), wherein one end of the dehumidifying box (12) is communicated with the cylinder (13) through the fourth connecting pipe (30), the impeller (31) is arranged in the cylinder (13), and the air outlet pipe (23) is communicated with the outer side of the cylinder (13).

6. The multi-stage natural gas separator of claim 1, wherein: the transmission assembly comprises a belt (21) and a belt pulley (20), the output ends of the rotating shaft (19) and the impeller (31) are respectively provided with the belt pulley (20), and the belt pulleys (20) are connected through the belt (21).

7. The multi-stage natural gas separator of claim 1, wherein: an intermediate support plate (26) is connected between the inside of the outer mounting cylinder (2) and the filter cylinder (3), and through holes (27) are uniformly formed in the top of the intermediate support plate (26).

8. The multi-stage natural gas separator of claim 1, wherein: the utility model discloses a crushing device, including collection box (8), crushing section of thick bamboo (7), collection box (8), the intercommunication has second connecting pipe (22) between collection box (8) and crushing section of thick bamboo (7), the outside intercommunication of collection box (8) has discharging pipe (9), the outside of discharging pipe (9) is provided with valve (10), outer installation section of thick bamboo (2) and third connecting pipe (29) contact department is provided with filter (32).

9. The multi-stage natural gas separator of claim 1, wherein: the top of the heat preservation box (11) is communicated with a pressure relief pipe (24).