CN213835206U - Gravity separator for natural gas exploitation - Google Patents

Abstract

The utility model discloses a gravity separator for natural gas exploitation, which comprises a housin, the relief valve is installed at the top of casing, an intake pipe is installed to one side of casing, the outlet duct is installed to the opposite side of casing, the intake pipe all is provided with the check valve with the outside of outlet duct by the intermediate position, the bottom of casing evenly is provided with four stabilizer blades, the bottom intermediate position of casing is connected with the drain pipe, the outlet duct is located the one end top of casing inside and is connected with the one end of defroster, the other end of defroster is connected with the inboard of casing, the inside intermediate position of casing is installed and is placed the board, mist trap is installed at the top of placing the board; a gravity separator for natural gas exploitation, effectively improved gravity separator to natural gas mixture's separating capacity for gravity separator's inside is convenient for clean, has effectively prolonged gravity separator's working life.

Description

Gravity separator for natural gas exploitation

Technical Field

The utility model relates to a natural gas exploitation field, in particular to gravity separator for natural gas exploitation.

Background

When natural gas is mined, a gas-liquid mixture is collected through a drilling and gas production device, and a gas-liquid mixer needs to be separated in the process of conveying the gas-liquid mixture to a well station, so that the purpose of purifying the natural gas is achieved, the environmental protection performance of the gas-liquid mixture is improved, the harm of the natural gas mixture to the well station is reduced, and a proper gravity separator is needed;

firstly, the separation capability of the traditional gravity separator for natural gas exploitation is still to be improved, the separation effect of the natural gas mixture can be improved to a certain extent, the natural gas mixture cannot be further separated, and the exploitation efficiency of the natural gas is influenced; secondly, there is not good filtration, can't carry out fine collection to the filth in the natural gas mixture, and is not convenient for clean the inside of gravity separator, influences gravity separator's working life, can reduce gravity separator's work efficiency.

SUMMERY OF THE UTILITY MODEL

The main object of the present invention is to provide a gravity separator for natural gas extraction, which can effectively solve the problem that the separation capability of the existing gravity separator in the background art still needs to be improved, and the separation effect of the natural gas mixture can be improved to some extent, so that the natural gas mixture cannot be further separated, and the extraction efficiency of the natural gas is affected; secondly, there is not good filtration, can't carry out fine collection to the filth in the natural gas mixture, and is not convenient for clean the inside of gravity separator, influences gravity separator's working life, can reduce gravity separator work efficiency's technical problem.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a gravity separator for natural gas exploitation comprises a shell, wherein a safety valve is installed at the top of the shell, an air inlet pipe is installed at one side of the shell, an air outlet pipe is installed at the other side of the shell, check valves are arranged at positions, close to the middle, of the outer sides of the air inlet pipe and the air outlet pipe, and four support legs are uniformly arranged at the bottom of the shell;

the top of one end, located inside the shell, of the air outlet pipe is connected with one end of the demister, the other end of the demister is connected with the inner side of the shell, a placing plate is installed in the middle of the inside of the shell, a mist catcher is installed at the top of the placing plate, a collecting plate is installed in the shell close to the lower position, the top of the collecting plate is connected with an umbrella-shaped plate, the umbrella-shaped plate is located below one end of an air inlet pipe, an anti-corrosion vessel is arranged at the bottom of the inside of the shell, the bottom of the collecting plate is connected with one end of a liquid discharge pipe, the other end of the liquid discharge pipe is located above the inside of the anti-corrosion vessel, and the bottom surface of the inside of the anti-corrosion vessel is connected with the top of the dirt collecting pipe;

the utility model discloses a sewage collector, including defroster, outlet duct, filter screen I, a plurality of wave form slab is installed to the inboard equidistance in the other end of defroster, the inboard of wave form slab is provided with the filtration pore, the bottom inboard of defroster is provided with the drainage groove, the inside one side of collection dirty pipe is connected with the one end of drain pipe, filter screen two is installed to the inboard position that is close to drain pipe one end of collection dirty pipe, the bottom of collection dirty pipe is provided with the graphite cake.

As a further aspect of the utility model, the inboard size of intake pipe is greater than the inboard size of outlet duct, and the inboard size of drain pipe is less than the inboard size of outlet duct.

As a further aspect of the present invention, the inner dimension of the mist catcher is larger than the inner dimension of the mist eliminator, the bottom dimension of the umbrella-shaped plate is the same as the top dimension of the collecting plate, the inner side of the collecting plate is a concave shape, and the concave bottom is connected with the inner side of the top of the liquid discharge pipe.

As the utility model discloses a further scheme, the size of filtration pore is less than the interplate distance of wave form slab, and the drainage groove has the three-terminal, and one end is connected with the one end inboard that the defroster is close to the outlet duct, and the other end in drainage groove is connected with the other end bottom outside of defroster, and the other end in drainage groove is connected with the one end top inboard that the defroster is close to the wave form slab.

As a further proposal of the utility model, the outside size of the anti-corrosion utensil is the same as the inside size in bottom of the casing, the top of the dirt collecting pipe is connected with the bottom of the anti-corrosion utensil through the screw thread outside the dirt collecting pipe, and the bottom of the graphite block is fixedly connected with the inside bottom of the dirt collecting pipe.

As a further scheme of the utility model, filter screen two is semi-circular, and the equal equidistance of one end that casing was kept away from to intake pipe, outlet duct and drain pipe is provided with a plurality of screw, and all is connected with corresponding equipment through the screw.

Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a set up the installation lantern ring and cooperate the drainage groove, install the defroster at the one end top of outlet duct through the installation lantern ring, when the natural gas mixture moves to the inboard top of casing and passes the bottom of defroster, the wave form slab makes the temperature of natural gas mixture reduce, thereby make liquid condense the bottom surface at the wave form slab, gas passes the filtration pore and upwards moves, when moving to the filter screen one time, the filter screen once more with liquid and gas separation, gas passes the filter screen one and discharges from the outlet duct, the liquid that separates drips from bottom one side of defroster through the drainage groove, make gravity separator carry out multiple separation to the natural gas mixture, improved gravity separator's separating capacity to the natural gas mixture, improved the exploitation efficiency of natural gas;

through arranging the anti-corrosion vessel and matching with the sewage collecting pipe, the separated liquid is conveyed to the inner side of the anti-corrosion vessel through the liquid discharge pipe and finally accumulated at the inner side of the sewage collecting pipe, the graphite block at the bottom of the inner side of the filter screen filters liquid, filter residues are adsorbed at the inner side of the graphite block, when the liquid is accumulated to a certain height, the liquid contacts the second filter screen, the second filter screen filters the liquid again, then the liquid passes through the filter screen II and is discharged through the drain pipe, so that most of the dirt in the shell is accumulated on the inner side of the dirt collecting pipe of the anti-corrosion dish, when the gravity separator is cleaned, the gravity separator is disassembled through the threads on the outer side of the top of the sewage collecting pipe and is flushed inwards for cleaning, so that the corrosion of the natural gas mixture to the inner side of theshell 1 is effectively prevented, and the concentration of the dirt separated from the natural gas mixture is improved, the gravity separator is convenient to clean, and the service life of the gravity separator is effectively prolonged.

Drawings

Fig. 1 is a schematic overall structure diagram of a gravity separator for natural gas extraction according to the present invention;

FIG. 2 is a front cross-sectional view of a housing of a gravity separator for natural gas production in accordance with the present invention;

FIG. 3 is a front cross-sectional view of a demister of a gravity separator for natural gas production according to the present invention;

fig. 4 is a front cross-sectional view of the joint of the corrosion-resistant vessel and the sewage collecting pipe of the gravity separator for natural gas exploitation.

In the figure: 1. a housing; 2. a safety valve; 3. an air inlet pipe; 4. a check valve; 5. an air outlet pipe; 6. a support leg; 7. a drain pipe; 8. a demister; 9. placing the plate; 10. a mist catcher; 11. an umbrella-shaped plate; 12. a collection plate; 13. a liquid discharge pipe; 14. an antiseptic dish; 15. a sewage collecting pipe; 16. filtering holes; 17. a corrugated sheet; 18. a drainage groove; 19. a first filter screen; 20. mounting a lantern ring; 21. a second filter screen; 22. a graphite block.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-4, a gravity separator for natural gas extraction comprises ahousing 1, asafety valve 2 is installed at the top of thehousing 1, anair inlet pipe 3 is installed at one side of thehousing 1, anair outlet pipe 5 is installed at the other side of thehousing 1,check valves 4 are respectively arranged at the positions, close to the middle, of the outer sides of theair inlet pipe 3 and theair outlet pipe 5, and foursupport legs 6 are uniformly arranged at the bottom of thehousing 1;

the top of one end of anair outlet pipe 5 positioned in theshell 1 is connected with one end of ademister 8, the other end of thedemister 8 is connected with the inner side of theshell 1, aplacing plate 9 is arranged at the middle position in theshell 1, amist catcher 10 is arranged at the top of theplacing plate 9, acollecting plate 12 is arranged in theshell 1 at a position close to the lower position, an umbrella-shaped plate 11 is connected to the top of thecollecting plate 12, the umbrella-shaped plate 11 is positioned below one end of anair inlet pipe 3, ananti-corrosion vessel 14 is arranged at the bottom of the inner side of theshell 1, the bottom of thecollecting plate 12 is connected with one end of aliquid discharge pipe 13, the other end of theliquid discharge pipe 13 is positioned above the inner side of the anti;

the one end thatdefroster 8 is close to 5 tops of outlet duct is provided with the installation lantern ring 20,filter screen 19 is installed to the top inboard of installation lantern ring 20, a plurality ofwave form slab 17 is installed to the inboard equidistance of the other end ofdefroster 8, the inboard ofwave form slab 17 is provided withfiltration pore 16, the bottom inboard ofdefroster 8 is provided withdrainage groove 18, inside one side ofdirt collecting pipe 15 is connected with the one end ofdrain pipe 7, filter screen two 21 is installed to the position thatdirt collecting pipe 15 inboard is close todrain pipe 7 one end,dirt collecting pipe 15's bottom is provided withgraphite cake 22.

The inside size ofintake pipe 3 is greater than the inside size ofoutlet duct 5, and the inside size ofdrain pipe 7 is less than the inside size ofoutlet duct 5, makes things convenient for the natural gas mixture to get into gravity separator and effectively discharge.

The inner side size of themist catcher 10 is larger than that of thedemister 8, the bottom size of the umbrella-shaped plate 11 is the same as that of the top of thecollecting plate 12, the inner side of thecollecting plate 12 is concave, and the concave bottom is connected with the inner side of the top of theliquid discharge pipe 13, so that liquid in the natural gas mixture is effectively collected.

The interplate distance offiltration pore 16's size is less thanwave plate 17, anddrainage groove 18 has the three-terminal, and one end is connected with the one end inboard thatdefroster 8 is close tooutlet duct 5, and the other end ofdrainage groove 18 is connected with the other end bottom outside ofdefroster 8, and the other end ofdrainage groove 18 is connected withdefroster 8 is close towave plate 17's one end top inboard, has effectively improved the separation effect ofdefroster 8 to the natural gas mixture.

The outside size ofanticorrosive ware 14 is the same with the inboard size in bottom ofcasing 1, and the top ofdirt collection pipe 15 is connected withanticorrosive ware 14's bottom through the screw thread in its outside, and the inboard bottom fixed connection ofgraphite block 22 anddirt collection pipe 15 fordirt collection pipe 15 carries out effective filtration to liquid.

Thesecond filter screen 21 is semicircular, a plurality of screw holes are formed in the end, far away from theshell 1, of theair inlet pipe 3, theair outlet pipe 5 and thedrain pipe 7 at equal intervals, and the screw holes are connected with corresponding equipment, so that the gravity separator is convenient to set and use.

It should be noted that, the utility model relates to a gravity separator for natural gas exploitation, when using, at first confirm thatstabilizer blade 6 stably supportscasing 1, the natural gas mixture enterscasing 1 throughintake pipe 3 inside,check valve 4 makes the natural gas mixture unable to flow back, then the natural gas mixture moves down because of gravity, some natural gas mixture gas moves up, pass placingplate 9 and misttrap 10 first, carry out first separation to it, the part natural gas mixture after first separation moves tocasing 1 inboard top and passes the bottom ofdefroster 8,wave form slab 17 makes the temperature of natural gas mixture reduce, thereby make liquid condense in the bottom surface ofwave form slab 17, gaspasses filtration pore 16 and moves up, when moving to filter screen one 19, filter screen one 19 separates liquid and gas again, gas passes filter screen one 19 and discharges fromoutlet duct 5, separated liquid drips from one side of the bottom end of thedemister 8 through adrainage groove 18 on the inner side of the mounting sleeve ring 20, part of liquid in the natural gas mixture is condensed on the top of the umbrella-shaped plate 11 and flows to the inner side of thecollecting plate 12, the liquid on the inner side of thecollecting plate 12 is conveyed to the inner side of the corrosion-resistant dish 14 through theliquid discharge pipe 13 and finally accumulated on the inner side of thedirt collecting pipe 15, the liquid is filtered by agraphite block 22 on the bottom of the inner side of thegraphite block 22, filter residues are adsorbed on the inner side of thegraphite block 22, when the liquid is accumulated to a certain height, the liquid is contacted with a filter screen II 21, the filter screen II 21 filters the liquid again, then the liquid passes through the filter screen II 21 and is discharged through thedrain pipe 7, most of dirt in theshell 1 is accumulated on the inner side of thedirt collecting pipe 15 of the corrosion-resistant dish 14, when the gravity separator is cleaned, thedirt collecting pipe 15 is detached through threads on the top outer side and is flushed and cleaned inwards, when the pressure inside the gravity separator is too high, the pressure inside the gravity separator is reduced by adjusting thesafety valve 2.

The utility model discloses a set up installation lantern ring 20cooperation drainage groove 18, installdefroster 8 at the one end top ofoutlet duct 5 through installation lantern ring 20, when the natural gas mixture moves to the inboard top ofcasing 1 and passes the bottom ofdefroster 8,wave form slab 17 makes the temperature reduction of natural gas mixture, thereby make liquid condense in the bottom surface ofwave form slab 17, gas passesfilter hole 16 and moves upwards, when moving tofilter screen 19,filter screen 19 separates liquid and gas once more, gaspasses filter screen 19 and discharges fromoutlet duct 5, the liquid that separates drips from bottom one side ofdefroster 8 throughdrainage groove 18, make gravity separator carry out the multiple separation to the natural gas mixture, the separation capacity of gravity separator to the natural gas mixture has been improved, the exploitation efficiency of natural gas has been improved; through the arrangement of thecorrosion prevention vessel 14 matched with thesewage collection pipe 15, separated liquid is conveyed to the inner side of thecorrosion prevention vessel 14 through theliquid discharge pipe 13 and finally accumulated on the inner side of thesewage collection pipe 15, thegraphite block 22 at the bottom of the inner side of the corrosion prevention vessel filters the liquid, filter residues are adsorbed on the inner side of thegraphite block 22, when the liquid is accumulated to a certain height, the liquid contacts thefilter screen 21, thefilter screen 21 filters the liquid again, then the liquid passes through thefilter screen 21 and is discharged through thedrain pipe 7, so that most of dirt in theshell 1 is accumulated on the inner side of thesewage collection pipe 15 of thecorrosion prevention vessel 14, when the gravity separator is cleaned, the gravity separator is detached through threads on the outer side of the top of thesewage collection pipe 15 and is cleaned by inward flushing, the corrosion of a natural gas mixture on the inner side of theshell 1 is effectively prevented, the concentration degree of the dirt separated from the natural gas mixture is improved, and the gravity separator is convenient to clean, the service life of the gravity separator is effectively prolonged.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (6)

1. A gravity separator for natural gas production, characterized by: the safety valve comprises a shell (1), wherein a safety valve (2) is installed at the top of the shell (1), an air inlet pipe (3) is installed at one side of the shell (1), an air outlet pipe (5) is installed at the other side of the shell (1), check valves (4) are arranged at positions, close to the middle, of the outer sides of the air inlet pipe (3) and the air outlet pipe (5), and four support legs (6) are uniformly arranged at the bottom of the shell (1);

the top of one end of the air outlet pipe (5) positioned in the shell (1) is connected with one end of a demister (8), the other end of the demister (8) is connected with the inner side of the shell (1), a placing plate (9) is arranged in the middle of the inner part of the shell (1), the top of the placing plate (9) is provided with a mist catcher (10), the lower part inside the shell (1) is provided with a collecting plate (12), the top of the collecting plate (12) is connected with an umbrella-shaped plate (11), the umbrella-shaped plate (11) is positioned below one end of the air inlet pipe (3), an anti-corrosion dish (14) is arranged at the bottom of the inner side of the shell (1), the bottom of the collecting plate (12) is connected with one end of a liquid discharge pipe (13), the other end of the liquid discharge pipe (13) is positioned above the inner side of the anti-corrosion dish (14), the bottom surface of the inner side of the anti-corrosion dish (14) is connected with the top of the sewage collecting pipe (15);

the utility model discloses a filter screen, including defroster (8) and dirt collecting pipe, the one end that defroster (8) are close to outlet duct (5) top is provided with the installation lantern ring (20), filter screen one (19) are installed to the top inboard of installation lantern ring (20), a plurality of wave form slab (17) are installed to the inboard equidistance of the other end of defroster (8), the inboard of wave form slab (17) is provided with filtration pore (16), the bottom inboard of defroster (8) is provided with drainage groove (18), inside one side of dirt collecting pipe (15) is connected with the one end of drain pipe (7), filter screen two (21) are installed to the position that dirt collecting pipe (15) inboard is close to drain pipe (7) one end, the bottom of dirt collecting pipe (15) is provided with graphite block (22).

2. A gravity separator for natural gas production according to claim 1, wherein: the size of the inner side of the air inlet pipe (3) is larger than that of the inner side of the air outlet pipe (5), and the size of the inner side of the drain pipe (7) is smaller than that of the inner side of the air outlet pipe (5).

3. A gravity separator for natural gas production according to claim 1, wherein: the inner side size of the mist catcher (10) is larger than that of the demister (8), the bottom size of the umbrella-shaped plate (11) is the same as that of the top of the collecting plate (12), the inner side of the collecting plate (12) is in a concave shape, and the concave bottom is connected with the inner side of the top of the liquid discharge pipe (13).

4. A gravity separator for natural gas production according to claim 1, wherein: the size of filtration pore (16) is less than the interplate distance of wave plate piece (17), and drainage groove (18) have the three-terminal, and one end is connected with the one end inboard that defroster (8) are close to outlet duct (5), and the other end of drainage groove (18) is connected with the other end bottom outside of defroster (8), and the other end of drainage groove (18) is connected with one end top inboard that defroster (8) are close to wave plate piece (17).

5. A gravity separator for natural gas production according to claim 1, wherein: the outside size of the anti-corrosion utensil (14) is the same as the inside size of the bottom of the shell (1), the top of the sewage collecting pipe (15) is connected with the bottom of the anti-corrosion utensil (14) through the outside thread, and the bottom of the graphite block (22) is fixedly connected with the inside bottom of the sewage collecting pipe (15).

6. A gravity separator for natural gas production according to claim 1, wherein: the second filter screen (21) is semicircular, and a plurality of screw holes are formed in the end, far away from the shell (1), of the air inlet pipe (3), the air outlet pipe (5) and the drain pipe (7) at equal intervals and are connected with corresponding equipment through the screw holes.

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