Drainage gas recovery device

Abstract

The utility model relates to the technical field of gas production, and discloses a drainage gas production device which comprises a device body, the right side face of the device body is fixedly communicated with a bubble discharging valve, and the right side of the device body is provided with a bubble removing mechanism. The defoaming mechanism comprises a defoaming tank, the liquid outlet end of the foam discharging valve penetrates through the defoaming tank and extends into the defoaming tank, a storage tank is arranged on the right side of the defoaming tank, the upper surface of the storage tank is fixedly connected with a liquid feeding pump, the liquid inlet end of the liquid feeding pump penetrates into the storage tank, and the liquid outlet end of the liquid feeding pump fixedly communicates with a liquid feeding pipe; and the other end of the liquid feeding pipe penetrates into the defoaming tank and is fixedly communicated with a first annular pipe, and the outer surface of the first annular pipe is fixedly communicated with a plurality of first spray heads. According to the water drainage and gas production device, when the water drainage and gas production device is used, the utilization rate of a defoaming agent can be increased, waste of the defoaming agent can be effectively reduced by spraying liquid obtained after defoaming again, and the water drainage cost of the water drainage and gas production device is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to gas recovery technology field, concretely is drainage gas recovery device. BACKGROUND

[0002] In the exploitation process of natural gas, with the reduction of pressure, formation water continuously invades into the gas layer, and after the near wellbore zone has high water content, the flow of gas to the production well is limited, so in order to ensure that natural gas can continue to be exploited, it is necessary to drain the gas well, and the drainage of the gas well is usually to use a pneumatic pump to send a gas bubble agent into the gas well, and a large amount of bubbles will be generated after the gas bubble agent contacts with water, and the pressure in the gas well increases with the generation of bubbles, and then the bubble water is discharged outward through the gas well, and then the bubble water is reconverted into water body by the addition of a defoaming agent, at which time the gas well drainage work can be completed, and then the gas recovery can be continued.

[0003] The utility model discloses a kind of drainage gas recovery device and gas recovery pump of drainage gas recovery device, including the gas recovery pipe extending in up-down direction, at least one gas recovery pump is connected in series on gas recovery pipe, gas recovery pump includes pump shell and the pump core being set in pump shell, pump core includes the punch piston being axially movable and sealingly assembled with pump shell, the coaxial arrangement of gravity hammer is arranged above punch piston, or the coaxial arrangement of gravity hammer and the receiving seat receiving gravity hammer is arranged below punch piston.

[0004] Using the above technical scheme, the effusion is sprayed to the upper of the gas recovery pump from the communication hole and the punch injection hole, and the downhole effusion is atomized when being sprayed, which is convenient for collecting natural gas. However, in the above technical scheme, the drainage defoaming process does not fully utilize the defoaming agent, and the defoaming agent solution sprayed to the foamed water is directly discharged outward, so that part of the defoaming agent cannot be fully utilized, which causes unnecessary waste of the defoaming agent and increases the cost of the drainage gas recovery device in the drainage process.

[0005] Therefore, the skilled in the art provides a drainage gas recovery device to solve the problems raised in the above background. UTILITY MODEL CONTENTS

[0006] The utility model aims at providing a drainage gas recovery device to solve the problems raised in the above background.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0008] The drainage gas recovery device comprises a device main body, a bubble discharge valve is fixedly connected to the right side surface of the device main body, and a defoaming mechanism is arranged on the right side of the device main body.

[0009] The defoaming mechanism comprises a defoaming tank, a liquid outlet end of the bubble discharging valve penetrates through the defoaming tank and extends to the inside of the defoaming tank, a storage tank is arranged on the right side of the defoaming tank, a liquid feeding pump is fixedly connected to the upper surface of the storage tank, a liquid inlet end of the liquid feeding pump penetrates into the inside of the storage tank, a liquid outlet end of the liquid feeding pump is fixedly connected with a liquid feeding pipe, the other end of the liquid feeding pipe penetrates into the inside of the defoaming tank and is fixedly connected with a first annular pipe, a plurality of first nozzles are fixedly connected to the outer surface of the first annular pipe, a filter screen is fixedly connected to the inner wall of the defoaming tank, a water pump is fixedly connected to the outer surface of the defoaming tank, a water inlet end of the water pump penetrates into the inside of the defoaming tank, a water outlet end of the water pump is fixedly connected with a connecting pipe, the other end of the connecting pipe penetrates into the inside of the defoaming tank and is fixedly connected with a second annular pipe, the second annular pipe is arranged above the filter screen, a plurality of second nozzles are fixedly connected to the outer surface of the second annular pipe, the outer surface of the connecting pipe is fixedly connected with a communicating pipe, the other end of the communicating pipe penetrates into the inside of the defoaming tank and is fixedly connected with a third annular pipe, the third annular pipe is arranged below the filter screen, a plurality of third nozzles are fixedly connected to the outer surface of the third annular pipe, the outer surface of the defoaming tank is fixedly connected with a drain pipe, and the inner wall of the drain pipe is fixedly connected with two bubble filtering screens.

[0010] As a further scheme of the utility model: the upper surface of the equipment main part is fixedly connected with a closed valve, the bottom surface of the equipment main part is fixedly connected with a gas collecting pipe, the right side surface of the equipment main part is fixedly connected with a gas collecting valve, and the left side surface of the equipment main part is fixedly connected with a dosing valve.

[0011] As a further scheme of the utility model: the outer surface of the defoaming tank is fixedly connected with two mounting plates, and two mounting through holes are formed in the upper surface of each mounting plate.

[0012] As a further scheme of the utility model: the outer surface of the defoaming tank is fixedly connected with two fixing frames, and the inner wall of each fixing frame is fixedly connected with the outer surface of the storage tank.

[0013] As a further scheme of the utility model: the outer surface of the first annular pipe is fixedly connected with a plurality of fixing blocks, and the upper surface of each fixing block is fixedly connected with the inner top wall of the defoaming tank.

[0014] As a further scheme of the utility model: the bottom surface of the filter screen is fixedly connected with a reinforcing ring, and the outer surface of the reinforcing ring is fixedly connected with the inner wall of the defoaming tank.

[0015] As a further scheme of the utility model: the outer surface of the drain pipe is fixedly connected with a connecting flange, and a plurality of mounting screw holes are formed in the front surface of the connecting flange.

[0016] Compared with the prior art, the utility model has the advantages of

[0017] The utility model discloses a foam eliminating mechanism is provided with, can utilize the filter screen to block the position that foam enters the inside of defoaming jar, at this time, utilize liquid sending pump to be stored jar inside defoamer is sprayed to the foam through first annular pipe and first shower nozzle, can primarily guarantee the elimination effect of foam, when the foam is broken into water body and enters defoaming jar through the filter screen, utilize water suction pump to can carry the water body of defoaming jar bottom with not completely reacted defoamer and draw out outward, and through connecting pipe and second annular pipe from second shower nozzle to filter screen, so that can make not completely reacted defoamer participate in defoaming work again, finally utilize the communicating pipe and third annular pipe can make part liquid in connecting pipe from third shower nozzle and spray, eliminate the foam that suspends on the liquid level of defoaming jar bottom, play the role that when the drainage gas recovery device uses, can increase the utilization rate of defoamer, through the liquid that defoaming again sprays can effectively reduce the waste of defoamer, and reduce the drainage cost of drainage gas recovery device. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is drainage gas recovery device's structural schematic diagram;

[0019] Figure 2 It is drainage gas recovery device's liquid storage tank solid structure schematic diagram;

[0020] Figure 3 It is drainage gas recovery device's defoaming jar cross section solid structure schematic diagram;

[0021] Figure 4 It is drainage gas recovery device's drainage pipe cross section solid structure schematic diagram.

[0022] In the drawing: 1, equipment main body;2, bubble discharge valve;3, defoaming mechanism;301, defoaming jar;302, storage tank;303, liquid sending pump;304, liquid sending pipe;305, first annular pipe;306, first shower nozzle;307, filter screen;308, water suction pump;309, connecting pipe;310, second annular pipe;311, second shower nozzle;312, communicating pipe;313, third annular pipe;314, third shower nozzle;315, drainage pipe;316, filter bubble net;4, closed valve;5, gas recovery pipe;6, gas recovery valve;7, dosing valve;8, mounting plate;9, mounting through hole;10, fixed frame;11, fixed block;12, reinforcing ring;13, connecting flange;14, mounting screw hole. DETAILED DESCRIPTION

[0023] Please refer to Figures 1-4, drainage gas recovery device, including equipment body 1, the right side of equipment body 1 is fixedly communicated with bubble discharge valve 2, the right side of equipment body 1 is provided with defoaming mechanism 3, the upper surface of equipment body 1 is fixedly communicated with closed valve 4, the bottom surface of equipment body 1 is fixedly communicated with gas recovery pipe 5, the right side of equipment body 1 is fixedly communicated with gas recovery valve 6, the left side of equipment body 1 is fixedly communicated with dosing valve 7, closed valve 4 can conveniently collect natural gas collection pump through equipment body 1 and gas recovery pipe 5 into gas well, gas recovery pipe 5 can be deep into gas well, ensure that natural gas can be smoothly discharged from gas well to the outside for collection, gas recovery valve 6 can be communicated with natural gas collection pipeline, so that natural gas is collected smoothly, dosing valve 7 can be communicated with the pipeline of foam agent adding equipment, so that the foam agent can enter the gas well smoothly when the gas well is drained.

[0024] Defoaming mechanism 3 includes defoaming tank 301, the liquid outlet end of bubble discharge valve 2 penetrates defoaming tank 301 and extends to the inside of defoaming tank 301, the right side of defoaming tank 301 is provided with storage tank 302, the outer surface of defoaming tank 301 is fixedly connected with two mounting plates 8, the upper surfaces of two mounting plates 8 are each provided with two mounting through holes 9, mounting plate 8 cooperates with mounting through hole 9 and bolt etc. Fixed parts can fix the position of defoaming tank 301, increase the fixed firmness of defoaming tank 301 when using.

[0025] The upper surface of storage tank 302 is fixedly connected with liquid sending pump 303, the liquid inlet end of liquid sending pump 303 penetrates to the inside of storage tank 302, the liquid outlet end of liquid sending pump 303 is fixedly communicated with liquid sending pipe 304, the other end of liquid sending pipe 304 penetrates to the inside of defoaming tank 301 and is fixedly communicated with first annular pipe 305, the outer surface of defoaming tank 301 is fixedly connected with two fixed racks 10, the inner walls of two fixed racks 10 are each fixedly connected with the outer surface of storage tank 302, fixed rack 10 can fix the position of storage tank 302, prevent storage tank 302 from toppling over, ensure the use reliability of storage tank 302.

[0026] The outer surface of first annular pipe 305 is fixedly communicated with a plurality of first spray heads 306, the inner wall of defoaming tank 301 is fixedly connected with filter screen 307, the outer surface of defoaming tank 301 is fixedly connected with water pump 308, the water inlet end of water pump 308 penetrates to the inside of defoaming tank 301, the water outlet end of water pump 308 is fixedly communicated with connecting pipe 309, the outer surface of first annular pipe 305 is fixedly connected with a plurality of fixed blocks 11, the upper surface of each fixed block 11 is fixedly connected with the inner top wall of defoaming tank 301, fixed block 11 can reinforce first annular pipe 305, reduce the shaking of first annular pipe 305, increase the use stability of first annular pipe 305.

[0027] The other end of the connecting pipe 309 penetrates to the inside of the defoaming tank 301 and is fixedly connected with the second annular pipe 310 arranged above the filter screen 307, the outer surface of the second annular pipe 310 is fixedly connected with a plurality of second spray heads 311, the outer surface of the connecting pipe 309 is fixedly connected with the communicating pipe 312, the other end of the communicating pipe 312 penetrates to the inside of the defoaming tank 301 and is fixedly connected with the third annular pipe 313, the bottom surface of the filter screen 307 is fixedly connected with the reinforcing ring 12, the outer surface of the reinforcing ring 12 is fixedly connected with the inner wall of the defoaming tank 301, the reinforcing ring 12 can increase the connection tightness of the filter screen 307 and the defoaming tank 301, so that the filter screen 307 is not easy to be loosened, and the service life of the filter screen 307 is improved.

[0028] The third annular pipe 313 is arranged below the filter screen 307, the outer surface of the third annular pipe 313 is fixedly connected with a plurality of third spray heads 314, the outer surface of the defoaming tank 301 is fixedly connected with the drain pipe 315, the inner wall of the drain pipe 315 is fixedly connected with two filter bubble nets 316, the outer surface of the drain pipe 315 is fixedly connected with the connecting flange 13, the front surface of the connecting flange 13 is provided with a plurality of mounting screw holes 14, the connecting flange 13 cooperates with the mounting screw holes 14 and the bolts, so that the drain pipe 315 can be connected with the wastewater discharge pipeline, and the smooth discharge of the wastewater is ensured.

[0029] The working principle of the utility model is: in use, firstly, connect the liquid feeding pump 303 and the water pumping pump 308 with the external power supply and the controller, when needing to carry out gas production, only need to connect the gas production valve 6 with the natural gas collecting equipment pipeline, can make the natural gas in the gas well discharge and collect outside through the gas production pipe 5, the equipment main body 1 and the gas production valve 6, when the liquid accumulation in the gas well is too much to affect the natural gas production work and needs to discharge water, only need to add the foaming agent into the gas well through the dosing valve 7, with the increase of the pressure in the gas well, the foam-shaped water body can be discharged into the defoaming tank 301 inside through the bubble discharging valve 2 and temporarily fall on the filter screen 307, at this time, the defoaming agent filled in the storage tank 302 inside beforehand can be discharged outside through the suction of the liquid feeding pump 303 and sprayed from the first nozzle 306 to the foam on the filter screen 307 through the liquid feeding pipe 304 and the first annular pipe 305, the foam is eliminated and broken into water body again, then the water body falls into the filter screen 307 below through the aperture of the filter screen 307, at this time, the water body carrying the incompletely reacted defoaming agent at the bottom of the defoaming tank 301 can be discharged outside through the suction of the water pumping pump 308 and sprayed from the second nozzle 311 to the foam on the filter screen 307 through the connecting pipe 309 and the second annular pipe 310, so that the incompletely reacted defoaming agent can participate in the defoaming work again, and part of the water body can be sprayed from the third nozzle 314 to the bottom of the defoaming tank 301 through the communicating pipe 312 and the third annular pipe 313, to further eliminate the foam suspended on the liquid surface at the bottom of the defoaming tank 301, when using the water discharge and gas production device, the utilization rate of the defoaming agent can be increased, the waste of the defoaming agent can be effectively reduced through the liquid spraying after defoaming, and the water discharge cost of the water discharge and gas production device is reduced, finally, when the liquid surface position in the defoaming tank 301 is level with the water discharge pipe 315, the completely liquefied water body can be discharged outside through the water discharge pipe 315, and the filter bubble net 316 can prevent the foam from being discharged outside through the water discharge pipe 315 with the water body.

[0030] The above is only the preferred specific implementation manner of the utility model, but the protection scope of the utility model is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the utility model concept of the utility model within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model.

Claims

1. A drainage gas extraction device, comprising a main body (1), characterized in that: A defoaming valve (2) is fixedly connected to the right side of the main body of the equipment (1), and a defoaming mechanism (3) is provided on the right side of the main body of the equipment (1). The defoaming mechanism (3) includes a defoaming tank (301). The outlet end of the defoaming valve (2) passes through the defoaming tank (301) and extends into the interior of the defoaming tank (301). A storage tank (302) is provided on the right side of the defoaming tank (301). A liquid delivery pump (303) is fixedly connected to the upper surface of the storage tank (302). The inlet end of the liquid delivery pump (303) passes through the interior of the storage tank (302). The outlet end of the liquid delivery pump (303) is fixedly connected to a liquid delivery pipe. (304) The other end of the liquid delivery pipe (304) extends into the interior of the defoaming tank (301) and is fixedly connected to a first annular pipe (305). A plurality of first nozzles (306) are fixedly connected to the outer surface of the first annular pipe (305). A filter screen (307) is fixedly connected to the inner wall of the defoaming tank (301). A water pump (308) is fixedly connected to the outer surface of the defoaming tank (301). The water inlet of the water pump (308) extends into the defoaming tank (301). Inside the defoaming tank (301), the outlet end of the water pump (308) is fixedly connected to a connecting pipe (309). The other end of the connecting pipe (309) extends into the interior of the defoaming tank (301) and is fixedly connected to a second annular pipe (310). The second annular pipe (310) is positioned above the filter screen (307). Several second nozzles (311) are fixedly connected to the outer surface of the second annular pipe (310). A connecting pipe (312) is fixedly connected to the outer surface of the connecting pipe (309). The other end of the connecting pipe (312) extends into the interior of the defoaming tank (301) and is fixedly connected to a third annular pipe (313). The third annular pipe (313) is located below the filter screen (307). Several third nozzles (314) are fixedly connected to the outer surface of the third annular pipe (313). A drain pipe (315) is fixedly connected to the outer surface of the defoaming tank (301). Two filter screens (316) are fixedly connected to the inner wall of the drain pipe (315).

2. The drainage gas extraction device according to claim 1, characterized in that: A sealing valve (4) is fixedly connected to the upper surface of the main body of the equipment (1), a gas sampling pipe (5) is fixedly connected to the bottom surface of the main body of the equipment (1), a gas sampling valve (6) is fixedly connected to the right side of the main body of the equipment (1), and a dosing valve (7) is fixedly connected to the left side of the main body of the equipment (1).

3. The drainage gas extraction device according to claim 1, characterized in that: Two mounting plates (8) are fixedly connected to the outer surface of the defoaming tank (301), and two mounting through holes (9) are opened on the upper surface of the two mounting plates (8).

4. The drainage gas extraction device according to claim 1, characterized in that: Two fixing brackets (10) are fixedly connected to the outer surface of the defoaming tank (301), and the inner walls of the two fixing brackets (10) are fixedly connected to the outer surface of the storage tank (302).

5. The drainage gas extraction device according to claim 1, characterized in that: The outer surface of the first annular tube (305) is fixedly connected with several fixing blocks (11), and the upper surface of each fixing block (11) is fixedly connected to the inner top wall of the defoaming tank (301).

6. The drainage gas extraction device according to claim 1, characterized in that: A reinforcing ring (12) is fixedly connected to the bottom surface of the filter screen (307), and the outer surface of the reinforcing ring (12) is fixedly connected to the inner wall of the defoaming tank (301).

7. The drainage gas extraction device according to claim 1, characterized in that: The outer surface of the drain pipe (315) is fixedly connected to a connecting flange (13), and the front of the connecting flange (13) is provided with several mounting screw holes (14).

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