CN210460622U

CN210460622U - Gas filtering device for natural gas exploitation

Info

Publication number: CN210460622U
Application number: CN201921290434.4U
Authority: CN
Inventors: 梁文慧
Original assignee: Chengdu Chengfu Qizheng New Energy Development Co Ltd
Current assignee: Chengdu Chengfu Qizheng New Energy Development Co Ltd
Priority date: 2019-08-10
Filing date: 2019-08-10
Publication date: 2020-05-05
Anticipated expiration: 2029-08-10

Abstract

The utility model provides a gas filtering device for natural gas exploitation relates to the gas filtration field. This gas filter equipment for natural gas exploitation, including rose box, explosion-proof axial-flow fan and purifying box, the inside wall fixedly connected with baffle fixed plate of rose box, diapire fixedly connected with drive box in the rose box, the big sealing washer bearing of fixedly connected with between the top of drive box and the bottom of fixed plate, the top fixedly connected with of drive box rotates the case, and the inside wall swing joint that rotates the case has the dwang, and the dwang runs through an inside wall that rotates the case and extends to the lateral wall that rotates the case. This gas filter equipment for natural gas exploitation through setting up the rose box, filters the fixed granule in the natural gas, gets rid of the impure gas in the natural gas and carries out the drying to the natural gas through the purifying box, and through rotating the cartridge filter, the solid particle on the round platform form filter screen breaks away from round platform form filter screen, the solid particle that has prevented blocks the round platform filter screen.

Description

Gas filtering device for natural gas exploitation

Technical Field

The utility model relates to a gas filtration technical field specifically is a gas filter equipment for natural gas exploitation.

Background

The natural gas refers to all gases naturally existing in nature, including gases (including oil field gas, gas field gas, mud volcanic gas, coal bed gas, biogenetic gas and the like) formed in various natural processes in an atmospheric space, a water space and a rock space, and the main impurities of the natural gas in the exploitation process include gas, liquid and solid impurities.

The natural gas has silt, rock granule, ferrous sulfide etc. mainly for solid impurity at the exploitation in-process, when filtering the natural gas, uses these solid impurity often can block the filter screen for a long time, has influenced the filtration progress of natural gas.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a gas filter equipment is used in natural gas exploitation, can effectually prevent that the solid particle of impurity from blockking up the filter screen, has influenced the filtration progress of natural gas.

Technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a gas filtering device for natural gas exploitation comprises a filtering box, an explosion-proof axial flow fan and a purifying box, wherein a baffle fixing plate is fixedly connected to the inner side wall of the filtering box, a driving box is fixedly connected to the inner bottom wall of the filtering box, a large sealing ring bearing is fixedly connected between the top of the driving box and the bottom of the fixing plate, a rotating box is fixedly connected to the top of the driving box, a rotating rod is movably connected to the inner side wall of the rotating box, the rotating rod penetrates through the inner side wall of the rotating box and extends to the outer side wall of the rotating box, a filtering cylinder is fixedly connected to one end, away from the rotating box, of the rotating rod, the outer surface of the filtering cylinder is fixedly connected with the inner ring of the large sealing ring bearing, a round platform-shaped filtering net is fixedly connected to the inner, the middle part of the outer side wall of the filter box is provided with an air inlet pipe.

Furthermore, the lateral surface of drive case is equipped with the collecting vat, and the guide plate of inner diapire fixedly connected with and collecting vat looks adaptation in the collecting vat, the collection mouth has been seted up to the lower part of rose box lateral wall, and the solid particle that falls on the round platform form filter screen of being convenient for collect is inside through collecting mouthful discharge rose box.

Further, the inner bottom wall of purifying box is equipped with sodium hydroxide solution, and the inside wall fixedly connected with drying layer of purifying box, the gas outlet has been seted up on the upper portion of purifying box lateral wall, filters hydrogen sulfide and carbon dioxide in the gas through setting up the effectual filtration of sodium hydroxide solution, makes the more pure of natural gas that obtains, dries the natural gas through drying layer, and the inside of gas outlet discharge purifying box is passed through to the back, and the outlet has been seted up to the lower part of purifying box lateral wall.

Further, the inside that the suction opening of explosion-proof axial-flow fan runs through the lateral wall of rose box and extends to the rose box, explosion-proof axial-flow fan's suction opening end fixedly connected with filter screen, explosion-proof axial-flow fan's air outlet runs through explosion-proof axial-flow fan's lateral wall and extends to explosion-proof axial-flow fan's inside, explosion-proof axial-flow fan's air outlet end fixedly connected with blast pipe, the one end that explosion-proof axial-flow fan air outlet was kept away from to the blast pipe extends to the inside of sodium hydroxide solution, through the explosion-proof axial-flow fan that sets up, be convenient for let in the inside of.

Furthermore, the lateral wall of the rotating box is inlaid with a small sealing ring bearing, and the inner ring of the small sealing ring bearing is fixedly connected with the outer surface of the rotating rod, so that the sealing property of the rotating rod is improved.

Furthermore, the output end of the explosion-proof motor penetrates through the inner top wall of the driving box and the bottom of the rotating box and extends to the inside of the rotating box, the output end of the explosion-proof motor is fixedly connected with a first gear, and the first gear is meshed with a second gear to be connected with the second gear, so that the rotation of the filter cartridge is driven conveniently.

1. This gas filter equipment is used in natural gas exploitation, the effectual solid particle that filters in the natural gas of round platform form filter screen through setting up floats the upper end of rose box inside through the through-hole after filtering, is connected through first gear and second gear meshing through starting explosion-proof machine to make the cartridge filter rotate, make the solid particle on the round platform form filter screen drop, the solid particle who drops falls into the inside of collecting vat, the effectual round platform form filter screen that prevents of solid particle blocking.

2. This gas filter equipment is used in natural gas exploitation, explosion-proof axial-flow fan through setting up, be convenient for let in the inside of purifying box with the inside filterable gas of rose box, the effectual collection round platform form filter screen gliding solid impurity through the collecting vat that sets up, through the inside of collecting mouthful discharge rose box, through setting up hydrogen sulfide and carbon dioxide in the effectual filtration of sodium hydroxide solution filters gas, make the more purer of natural gas that obtains, dry the natural gas through the drying layer, the inside of gas outlet discharge purifying box is passed through to the back, through setting up the leakproofness that little sealing washer bearing has increased dwang department, be convenient for change the inside sodium hydroxide solution of purifying box through setting up the outlet.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic structural view of the filter cartridge of the present invention;

FIG. 3 is a schematic structural view of the structure purifying box of the present invention;

fig. 4 is a perspective view of the filter cartridge of the present invention.

Wherein, 1, a filter box; 101. an air inlet pipe; 2. an explosion-proof axial-flow ventilator; 201. a filter screen; 202. an exhaust pipe; 3. a purification box; 301. a sodium hydroxide solution; 302. drying the layer; 303. an air outlet; 304. a water outlet; 4. a fixing plate; 5. a drive box; 501. an explosion-proof motor; 502. a first gear; 6. a large seal ring bearing; 7. a filter cartridge; 701. a truncated cone-shaped filter screen; 702. a through hole; 8. a rotating box; 801. rotating the rod; 802. a second gear; 803. a small seal ring bearing; 9. collecting tank; 901. a baffle; 902. a collection port.

Detailed Description

As shown in fig. 1-4, an embodiment of the present invention provides a gas filtering device for natural gas exploitation, including a filtering box 1, an explosion-proof axial-flow ventilator 2 and a purifying box 3, the explosion-proof axial-flow ventilator 2 is suitable for transporting flammable, explosive and non-corrosive gas, the environmental temperature is not more than 60 degrees, the model of the explosion-proof axial-flow ventilator 2 is B4-68, an air inlet pipe 101 is disposed in the middle of the outer side wall of the filtering box 1, the natural gas to be exploited is conveniently introduced into the filtering box 1 through the air inlet pipe 101, the inner side wall of the filtering box 1 is fixedly connected with a baffle fixing plate 4, a driving box 5 is fixedly connected to the inner bottom wall of the filtering box 1, a large sealing ring bearing 6 is fixedly connected between the top of the driving box 5 and the bottom of the fixing plate 4, rolling bearings with sealing rings are mounted on both sides, the inside wall swing joint who rotates case 8 has dwang 801, dwang 801 runs through an inside wall that rotates case 8 and extends to the lateral wall that rotates case 8, the lateral wall that rotates case 8 is inlayed and is had little sealing washer bearing 803, the antifriction bearing of sealing washer is equipped with on little sealing washer bearing 803 two sides, the inner circle of little sealing washer bearing 803 and the outer fixed surface of dwang 801 are connected, the leakproofness of dwang 801 department has been increased, dwang 801 keeps away from and rotates 8 one end fixedly connected with cartridge filter 7 of case, the outer surface of cartridge filter 7 and the inner circle fixed connection of big sealing washer bearing 6, the inside wall fixedly connected with round platform form filter screen 701 of cartridge filter 7, through-hole 702 has been seted up to the outer surface of cartridge filter 7, the effectual solid particle who filters in the natural gas of round platform form filter screen 701 through setting.

The outer side surface of the driving box 5 is provided with a collecting groove 9, the inner bottom wall of the collecting groove 9 is fixedly connected with a guide plate 901 matched with the collecting groove 9, the lower part of the outer side wall of the filtering box 1 is provided with a collecting port 902, so that solid particles falling from the circular truncated cone-shaped filtering net 701 can be collected and discharged out of the filtering box 1 through the collecting port 902, the outer surface of the rotating rod 801 is fixedly connected with a second gear 802, the inner bottom wall of the driving box 5 is fixedly connected with an explosion-proof motor 501, the explosion-proof motor 501 is a motor which can be used in flammable and explosive places, no electric spark is generated during operation, the type of the explosion-proof motor 501 is YB3, the output end of the explosion-proof motor 501 penetrates through the inner top wall of the driving box 5 and the bottom of the rotating box 8 and extends to the inside of the rotating box 8, the output end of the explosion-proof motor 501 is fixedly connected with a first gear 502, the first gear 502 is, thereby make cartridge filter 7 rotate, make the solid particle on the round platform form filter screen 701 drop, the solid particle who drops falls into the inside of collecting vat 9, the effectual solid particle that has prevented blocks round platform form filter screen 701.

The inner bottom wall of the purifying box 3 is provided with a sodium hydroxide solution 301, the inner side wall of the purifying box 3 is fixedly connected with a drying layer 302, the upper part of the outer side wall of the purifying box 3 is provided with an air outlet 303, hydrogen sulfide and carbon dioxide in the air are effectively filtered by setting the sodium hydroxide solution 301, the obtained natural gas is more pure, the natural gas is dried by the drying layer 302, the natural gas is discharged out of the purifying box 3 through the air outlet 303, the air suction port of the explosion-proof axial-flow fan 2 penetrates through the outer side wall of the filtering box 1 and extends into the filtering box 1, the air suction port of the explosion-proof axial-flow fan 2 is fixedly connected with a filter screen 201, the air outlet of the explosion-proof axial-flow fan 2 penetrates through the outer side wall of the explosion-proof axial-flow fan 2 and extends into, the one end that explosion-proof axial-flow fan 2 air outlet was kept away from to blast pipe 202 extends to the inside of sodium hydroxide solution 301, and through the explosion-proof axial-flow fan 2 that sets up, be convenient for let in the inside of purifying box 3 with the inside filterable gas of rose box 1, the outlet 304 has been seted up to the lower part of purifying box 3 lateral wall, is convenient for change the inside sodium hydroxide solution 301 of purifying box 3 through setting up outlet 304.

When the anti-explosion device is used, the anti-explosion motor 501 and the anti-explosion axial flow fan 2 are connected with a municipal power supply, the air inlet pipe 101 is connected with an external natural gas production pipeline, the produced natural gas is introduced into the filter box 1 through the air inlet pipe 101, the natural gas is filtered by the circular truncated cone-shaped filter screen 701 in the filter cartridge 7 and floats to the top end in the filter box 1 through the through hole 702, the filtered natural gas is introduced into the purification box 3 through the air suction port of the anti-explosion axial flow fan 2, the hydrogen sulfide and the carbon dioxide in the natural gas are removed by introducing the sodium hydroxide solution 301 through the air exhaust pipe 202, the natural gas floats to the top end in the purification box 3 through the drying layer 302 and is exhausted through the air outlet 303, the whole filtering process is completed, the anti-explosion motor 501 is started, the first gear 502 rotates to drive the second gear 802 to rotate, so that the filter cartridge 7 rotates, fall into the inside of collecting vat 9, can collect solid particle through collecting mouth 902, through setting up big sealing washer bearing 6, increased the leakproofness of cartridge filter 7 junction.

Claims

1. The utility model provides a gas filter equipment for natural gas exploitation, includes rose box (1), explosion-proof axial-flow fan (2) and purifying box (3), its characterized in that: the inner side wall of the filter box (1) is fixedly connected with a baffle fixing plate (4), the inner bottom wall of the filter box (1) is fixedly connected with a driving box (5), a large sealing ring bearing (6) is fixedly connected between the top of the driving box (5) and the bottom of the fixing plate (4), the top of the driving box (5) is fixedly connected with a rotating box (8), the inner side wall of the rotating box (8) is movably connected with a rotating rod (801), the rotating rod (801) penetrates through the inner side wall of the rotating box (8) and extends to the outer side wall of the rotating box (8), one end, far away from the rotating box (8), of the rotating rod (801) is fixedly connected with a filter cartridge (7), the outer surface of the filter cartridge (7) is fixedly connected with the inner ring of the large sealing ring bearing (6), the inner side wall of the filter cartridge (7) is, the outer fixed surface of dwang (801) is connected with second gear (802), and interior diapire fixedly connected with explosion-proof machine (501) of drive box (5), intake pipe (101) have been seted up at the middle part of rose box (1) lateral wall.

2. The gas filtering device for natural gas extraction according to claim 1, wherein: the lateral surface of drive case (5) is equipped with collecting vat (9), and the interior diapire fixedly connected with of collecting vat (9) has guide plate (901) with collecting vat (9) looks adaptation, and collection mouth (902) have been seted up to the lower part of rose box (1) lateral wall.

3. The gas filtering device for natural gas extraction according to claim 1, wherein: the inner bottom wall of the purifying box (3) is provided with a sodium hydroxide solution (301), the inner side wall of the purifying box (3) is fixedly connected with a drying layer (302), the upper part of the outer side wall of the purifying box (3) is provided with a gas outlet (303), and the lower part of the outer side wall of the purifying box (3) is provided with a water outlet (304).

4. The gas filtering device for natural gas extraction according to claim 1, wherein: the utility model discloses a novel explosion-proof axial-flow ventilator, including rose box (1), filter box (1), air outlet (202), the inside of explosion-proof axial-flow ventilator (2), the inside of filter box (1) is run through and the lateral wall of filter box (1) is extended to in the suction opening fixedly connected with filter screen (201) of explosion-proof axial-flow ventilator (2), the inside of explosion-proof axial-flow ventilator (2) is run through and the lateral wall of explosion-proof axial-flow ventilator (2) is extended to in the air outlet of explosion-proof axial-flow ventilator (2), the air outlet fixedly connected with blast pipe (202) of explosion-proof axial-flow ventilator (2) air outlet is kept away.

5. The gas filtering device for natural gas extraction according to claim 1, wherein: the outer side wall of the rotating box (8) is inlaid with a small sealing ring bearing (803), and the inner ring of the small sealing ring bearing (803) is fixedly connected with the outer surface of the rotating rod (801).

6. The gas filtering device for natural gas extraction according to claim 1, wherein: the output end of the explosion-proof motor (501) penetrates through the inner top wall of the driving box (5) and the bottom of the rotating box (8) and extends to the inside of the rotating box (8), the output end of the explosion-proof motor (501) is fixedly connected with a first gear (502), and the first gear (502) is meshed with a second gear (802) and is connected with the second gear.