CN212174893U

CN212174893U - Purifier is used in coal bed gas liquefaction

Info

Publication number: CN212174893U
Application number: CN202020786134.1U
Authority: CN
Inventors: 王梦雅
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-05-13
Filing date: 2020-05-13
Publication date: 2020-12-18
Anticipated expiration: 2030-05-13

Abstract

The utility model relates to a purification device for coal bed gas liquefaction, which comprises a waste liquid collecting tank and a gas filtering tank, wherein the top side of the waste liquid collecting tank is fixedly connected with the gas filtering tank, the left side of the gas filtering tank is fixedly connected with an air inlet pipe, the top side of the outer wall of the air inlet pipe is connected with a return pipe in a through way, the top end of the return pipe is connected with the inner cavity of the gas filtering tank in a through way, a water injection pipe is fixedly connected above the right side of the gas filtering tank, the top side of the gas filtering tank is fixedly connected with an air outlet pipe, the bottom side of the gas filtering tank is connected with a liquid discharge pipe in a through way, a mounting plate is fixedly connected between the inner walls of the gas filtering tank, the bottom side of the mounting plate is fixedly connected with a filter core pipe, a filling layer is arranged above the filter core pipe, the outer side of the, the full filtering effect can be greatly ensured, and the practicability is greatly improved.

Description

Purifier is used in coal bed gas liquefaction

Technical Field

The utility model relates to a purifier is used in coal bed gas liquefaction belongs to coal gas liquefaction equipment technical field.

Background

The coal bed gas refers to unconventional natural gas which is stored in a coal bed and takes methane as a main component, belongs to one of natural gas and is main gas generated in the coal mining process, coexisting with coal, also known as gas, coal bed gas is a high quality energy and chemical feedstock, the coal bed gas is a good supplementary energy in the current environment with energy shortage, according to statistics, the coal bed gas exhausted into the atmosphere in China accounts for one third of the total amount of the coal bed gas exhausted by coal mining all over the world every year, not only causes serious air pollution, but also is great in resource waste, the coal bed gas carries a great amount of dust impurities in the process of not pumping out the coal bed gas, the coal bed gas can be liquefied and canned by purifying the coal bed gas, the structure of the existing coal gas purifying device and a filter part is complex, simultaneously can not effectual assurance abundant filter effect, for this reason, provide a purifier for coal bed gas liquefaction.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model overcomes current defect, provides a purifier is used in coal bed gas liquefaction, can effectively solve the problem in the background art.

In order to solve the technical problem, the utility model provides a following technical scheme:

the utility model provides a purifier is used in coal bed gas liquefaction, includes waste liquid collection tank, filter gas jar, waste liquid collection tank top side and filter gas jar fixed connection, filter gas jar left side fixedly connected with intake pipe, intake pipe outer wall top side through connection has the back flow, back flow top and filter gas jar inner chamber through connection, filter gas jar right side top fixedly connected with water injection pipe, filter gas jar top side fixedly connected with outlet duct, filter gas jar bottom side through connection has the fluid-discharge tube, fixedly connected with mounting panel between the filter gas jar inner wall, mounting panel bottom side fixedly connected with filter element pipe, filter element pipe top is equipped with the filling layer, the filling layer outside and filter gas jar inner wall fixed connection, just filling layer bottom side fixedly connected with water ring, water ring bottom side equidistance is equipped with the shower head.

As a further description of the above scheme, the air inlet pipe extends into the inner cavity of the filter tank and is in through connection with the bottom end of the filter core pipe, and the return pipe extends into the inner cavity of the filter tank and penetrates through the bottom side of the mounting plate and is in through connection with the top end of the filter core pipe.

As further description of the scheme, the water injection pipe extends into the inner cavity of the filter tank and is communicated with the water delivery ring, and the spray head and the inner wall of the filter tank form an included angle of 45 degrees.

As a further description of the above scheme, the filter core tube includes a tubular filter cotton and a water absorption layer, the water absorption layer is coated on the outer wall of the tubular filter cotton, and the outer wall of the water absorption layer is fixedly connected with a filter screen in a sleeved manner.

As a further description of the scheme, the top side of the waste liquid collecting tank is dug to form a groove, the bottom side of an inner cavity of the groove is provided with a through hole in a penetrating mode, and the left side of the bottom of the waste liquid collecting tank is connected with a door plate through a hinge.

As further description of the above scheme, the bottom side of the filter gas tank is fixedly connected with the inner wall of the groove, and the filter gas tank is fixedly connected with the inner wall of the through hole through a liquid discharge pipe.

The utility model discloses beneficial effect:

1. by arranging the filling layer, the gas doped with water vapor can filter moisture and dust in the gas through the filling layer, so that the coal bed gas is effectively purified;

2. by arranging the spray head, the spray head is utilized to spray the gas in the inner cavity of the filter tank, so that the dust doped in the gas can effectively flow downwards into the waste liquid collecting tank together, and the purified gas continuously rises upwards;

3. the coal bed gas containing impurities in the inner cavity of the filter core pipe can enter the return pipe, and then the return pipe injects the gas into the inner cavity of the air inlet pipe again, so that the reciprocating filtering mode can greatly ensure the effect of full filtering, and the practicability is greatly improved.

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 embodiments of the invention, and together with the description serve to explain the invention and not to limit the invention.

FIG. 1 is an external view of the purification device for coal bed gas liquefaction of the present invention.

FIG. 2 is a schematic view of the cross-sectional structure of the canister of the purification device for coal bed gas liquefaction of the present invention.

FIG. 3 is a schematic view of the sectional structure of the waste liquid collecting tank of the purification device for coal bed gas liquefaction of the present invention.

Reference numbers in the figures: 1. a waste liquid collection tank; 2. a gas filter tank; 3. an air inlet pipe; 4. a return pipe; 5. a water injection pipe; 6. an air outlet pipe; 7. a liquid discharge pipe; 8. mounting a plate; 9. a filter element pipe; 10. a filling layer; 11. a water delivery ring; 12. a shower head; 13. tubular filter cotton; 14. a water-absorbing layer; 15. a filter screen; 16. a groove; 17. a through hole; 18. a door panel.

Detailed Description

The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are presented herein only to illustrate and explain the present invention, and not to limit the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a purification device for coal bed gas liquefaction comprises a waste liquid collection tank 1 and a gas filtering tank 2, wherein the top side of the waste liquid collection tank 1 is fixedly connected with the gas filtering tank 2, the left side of the gas filtering tank 2 is fixedly connected with an air inlet pipe 3, the top side of the outer wall of the air inlet pipe 3 is connected with a return pipe 4 in a through mode, the top end of the return pipe 4 is connected with the inner cavity of the gas filtering tank 2 in a through mode, a water injection pipe 5 is fixedly connected above the right side of the gas filtering tank 2, the top side of the gas filtering tank 2 is fixedly connected with an air outlet pipe 6, the bottom side of the gas filtering tank 2 is connected with a liquid discharge pipe 7 in a through mode, a mounting plate 8 is fixedly connected between the inner walls of the gas filtering tank 2, a filter core pipe 9 is fixedly connected to the bottom side of the mounting plate 8, a filling layer 10 is arranged above the filter core, the outer side of the filling layer 10 is fixedly connected with the inner wall of the filter tank 2, the bottom side of the filling layer 10 is fixedly connected with a water delivery ring 11, spray heads 12 are arranged on the bottom side of the water delivery ring 11 at equal intervals, the water injection pipes 5 extend into the inner cavity of the filter tank 2 and are communicated with the water delivery ring 11, the spray heads 12 form an included angle of 45 degrees with the inner wall of the filter tank 2, clear water can be injected into the inner cavity of the water delivery ring 11 through the water injection pipes 5 by arranging the spray heads 12, finally, the gas in the inner cavity of the filter tank 2 is sprayed by the spray heads 12, dust doped in the gas can effectively and together downwards flow into the waste liquid collecting tank 1, and the purified gas continues to ascend.

Specifically, as shown in fig. 2, intake pipe 3 stretches into in 2 inner chambers of filter tank, and with filter core pipe 9 bottom through connection, back flow 4 stretches into in 2 inner chambers of filter tank, and run through 8 bottom sides of mounting panel and filter core pipe 9 top through connection, coal bed gas pours into filter core pipe 9 inner chambers into through intake pipe 3, tubular filter pulp 13 through filter core pipe 9, layer 14 that absorbs water can be stored in the gas after the purification completion gets into 2 inner chambers of filter tank from filtering in the inner chamber of core pipe 9, and the coal bed gas that contains impurity in the filter core pipe 9 inner chamber can get into back flow 4, then back flow 4 pours into gas into intake pipe 3 inner chambers once more, this kind of reciprocal filtration, can guarantee abundant filterable effect greatly, the practicality improves greatly.

Specifically, as shown in fig. 2, the filter core tube 9 includes a tubular filter cotton 13 and a water absorbing layer 14, the water absorbing layer 14 is coated on the outer wall of the tubular filter cotton 13, and the outer wall of the water absorbing layer 14 is fixedly connected with a filter screen 15 in a sleeved manner.

Specifically, as shown in fig. 3, the waste liquid collecting tank 1 is provided with a groove 16 on the top side in an excavating manner, the bottom side of an inner cavity of the groove 16 is provided with a through hole 17 in a penetrating manner, the filter tank 2 can be stably placed in the inner cavity of the groove 16 of the waste liquid collecting tank 1 by arranging the groove 16 and the through hole 17, the liquid discharge pipe 7 at the bottom end of the filter tank 2 is clamped and fixed in the inner cavity of the through hole 17, when coal bed gas is sprayed, liquid and oil stain can be discharged into the inner cavity of the waste liquid collecting tank 1 together, the left side of the bottom of the waste liquid collecting tank 1 is connected with a door plate 18 through a hinge, after the use is finished, the door plate 18 can be opened, the sewage and the stain in the inner cavity of the waste liquid collecting tank 1 are intensively cleaned, the bottom side of the filter tank 2 is fixedly connected with the inner wall of.

The utility model discloses when using, coal bed gas pours into filter element pipe 9 inner chamber into through intake pipe 3 in, tubular filter pulp 13 through filter element pipe 9, the layer 14 that absorbs water can be stored in the gaseous 2 inner chambers of filter tank that get into of discharging from filter element pipe 9 inner chamber after the purification completion, and the coal bed gas that contains impurity in the filter element pipe 9 inner chamber can get into back flow 4, then back flow 4 pours into gas into intake pipe 3 inner chamber once more, utilize water injection pipe 5 to pour into the clear water into in the water delivery ring 11 inner chamber into, utilize shower head 12 to spray to the gas in the 2 inner chambers of filter tank at last, can be effectual with in the gas dust of doping together the downflow waste liquid collecting tank 1, the gas of doping steam filters moisture and dust in the gas through filling layer 10, the coal bed gas after the purification lasts and rises, finally discharges through outlet duct 6.

The above is the preferred embodiment of the present invention, and the technical personnel in the field of the present invention can also change and modify the above embodiment, therefore, the present invention is not limited to the above specific embodiment, and any obvious improvement, replacement or modification made by the technical personnel in the field on the basis of the present invention all belong to the protection scope of the present invention.

Claims

1. A purification device for coal bed gas liquefaction comprises a waste liquid collecting tank (1) and a gas filtering tank (2), and is characterized in that the top side of the waste liquid collecting tank (1) is fixedly connected with the gas filtering tank (2), the left side of the gas filtering tank (2) is fixedly connected with an air inlet pipe (3), the top side of the outer wall of the air inlet pipe (3) is connected with a return pipe (4) in a penetrating way, the top end of the return pipe (4) is connected with the inner cavity of the gas filtering tank (2) in a penetrating way, a water injection pipe (5) is fixedly connected above the right side of the gas filtering tank (2), the top side of the gas filtering tank (2) is fixedly connected with an air outlet pipe (6), the bottom side of the gas filtering tank (2) is connected with a liquid discharge pipe (7) in a penetrating way, a mounting plate (8) is fixedly connected between the inner walls of the gas filtering, the outer side of the filling layer (10) is fixedly connected with the inner wall of the filter tank (2), a water delivery ring (11) is fixedly connected to the bottom side of the filling layer (10), and spray heads (12) are arranged on the bottom side of the water delivery ring (11) at equal intervals.

2. The purification device for coal bed gas liquefaction according to claim 1, characterized in that: intake pipe (3) stretch into in gas filter jar (2) inner chamber, and with filter core pipe (9) bottom through connection, back flow (4) stretch into in gas filter jar (2) inner chamber, and run through mounting panel (8) bottom side and filter core pipe (9) top through connection.

3. The purification device for coal bed gas liquefaction according to claim 1, characterized in that: the water injection pipe (5) stretches into the inner cavity of the filter gas tank (2) and is communicated with the water delivery ring (11), and the spray head (12) and the inner wall of the filter gas tank (2) form a 45-degree included angle.

4. The purification device for coal bed gas liquefaction according to claim 1, characterized in that: the filter core pipe (9) comprises tubular filter cotton (13) and a water absorbing layer (14), the water absorbing layer (14) is coated on the outer wall of the tubular filter cotton (13), and the outer wall of the water absorbing layer (14) is sleeved and fixedly connected with a filter screen (15).

5. The purification device for coal bed gas liquefaction according to claim 1, characterized in that: the waste liquid collecting tank is characterized in that a groove (16) is dug in the top side of the waste liquid collecting tank (1), a through hole (17) is formed in the bottom side of an inner cavity of the groove (16) in a penetrating mode, and a door plate (18) is connected to the left side of the bottom of the waste liquid collecting tank (1) through a hinge.

6. The purification device for coal bed gas liquefaction according to claim 5, characterized in that: the bottom side of the filter gas tank (2) is fixedly connected with the inner wall of the groove (16), and the filter gas tank (2) is fixedly connected with the inner wall of the through hole (17) through a liquid discharge pipe (7).