CN103352686B - Coal bed gas extraction well well head air water rapidly and efficiently separator - Google Patents
Coal bed gas extraction well well head air water rapidly and efficiently separator Download PDFInfo
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- CN103352686B CN103352686B CN201310309838.4A CN201310309838A CN103352686B CN 103352686 B CN103352686 B CN 103352686B CN 201310309838 A CN201310309838 A CN 201310309838A CN 103352686 B CN103352686 B CN 103352686B
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Abstract
The invention discloses a kind of coal bed gas extraction well well head air water rapidly and efficiently separator, comprise water tank (1), water tank is provided with separating system for water in (1), water tank (1) upper lateral part is provided with the water inlet pipe (2) extend in water tank (1), water tank (1) top is provided with negative pressure ventilation system, water tank (1) following side is provided with automatic drain system, separating system for water outside is provided with sealing system the present invention by current are become planar stream from columnar flow, and impact, fragmentation is taken out in conjunction with negative pressure and secondary separation technology, the rapidly and efficiently separation of air water can be realized, the problem of resource waste that the current gas-water separation difficulty of effective solution causes.Many mouthfuls of wells share a set of negative pressure ventilation system, have saved cost input.This appliance arrangement floor space is little, simple to operate, low price, gas-water separation are effective, has a extensive future.
Description
Technical field
The invention belongs to coal bed gas safety production technique field, particularly a kind of coal bed gas extraction well well head air water rapidly and efficiently separator.
Background technology
Along with the increasing of economic development to energy demand and the needs of Safety of Coal Mine Production, cbm development causes the concern of more and more people.The large-scale development of coal bed gas not only can alleviating energy crisis, can also reduce gas to a certain extent and directly discharge pollution to environment, the prior danger being reduction of mine coal and Gas Outburst.Along with the continuing to increase of continuous ripe scale of input of cbm development technology, coal bed gas well scale sharply increases.Coal bed gas is mainly composed exists in coal seam reservoirs, and its occurrence characteristics determines current ground and carries out gas production mainly through draining.Share a pit shaft because the water of discharging is gentle, during mining, when gas production is higher, has the gas of part to mix in land drainage pipeline and be wherein discharged, cause the wasting of resources.At present, gas used, water separation device cannot be separated the water in water lines and methane gas.Therefore can carry out quick separating to air water in well head drainage procedure in the urgent need to a kind of device or technique, can effectively reduce the unnecessary wasting of resources like this, methane can also be reduced simultaneously and be directly discharged into air and cause greenhouse effect.
Summary of the invention
The present invention is directed in current coal bed gas well mining process and be difficult to the coal bed gas contained in water lines to be separated, cause the series of problems such as the wasting of resources, greenhouse effect increase, a kind of coal bed gas well well head air water rapidly and efficiently separator is provided, the coal bed gas contained in water can be separated fast and collect recycling by this device, reduce the directly emptying wasting of resources caused and the greenhouse effect caused.
For achieving the above object, the present invention proposes following technical scheme: coal bed gas extraction well well head air water rapidly and efficiently separator, comprise water tank 1, be provided with separating system for water in water tank 1, water tank 1 upper lateral part is provided with the water inlet pipe 2 extend in water tank 1, water tank 1 top is provided with negative pressure ventilation system, water tank 1 following side is provided with automatic drain system, and separating system for water outside is provided with sealing system.
Described separating system for water comprises and is located at motor 6 bottom water tank 1 and column 3, column 3 upper end is provided with bowl-shape tank 4, the delivery port of water inlet pipe 2 is positioned at above tank 4, column 3 is equipped with bearing 5, the main shaft of motor 6 is connected with V belt translation between bearing 5 bottom, bearing 5 top is radially evenly provided with three connecting rods 7, and the outer end of every root connecting rod 7 is respectively equipped with a slice flabellum 8, and flabellum 8 is positioned at immediately below tank 4 upper edge.
Described negative pressure ventilation system comprises the union 9, exhaust tube 10, negative pressure pump 11, pressure meter 12 and the gas-drying apparatus 13 that are located at water tank 1 top, exhaust tube 10 is connected with union 9 by inlet suction port 14, negative pressure pump 11 is located on exhaust tube 10, pressure meter 12 is located at and closes on the exhaust tube 10 of inlet suction port 14, and the gas outlet of negative pressure pump 11 is connected with the air inlet port of gas-drying apparatus 13 by drying tube 15.
Described automatic drain system comprise be located at water tank 1 following side and extend into outlet pipe 16 in water tank 1, be located on water tank 1 inwall and the fixed head 17 be positioned at above outlet pipe 16 and being located on water tank 1 inwall and the height limiting plate 18 be positioned at above fixed head 17, fixed head 17 is vertically equipped with the slide valve 19 for opening and closing outlet pipe 16, and the upper end of slide valve 19 is provided with the floating body 20 between fixed head 17 and height limiting plate 18.
Described sealing system comprises external seal cover 21 and inner seal cover 22, the top of external seal cover 21 is located at below flabellum 8, seal A is provided with between the top of external seal cover 21 and bearing 5 outer peripheral face, external seal cover 21 following side is provided with pressure reduction opening and closing structure B, it is outside that inner seal cover 22 is located at motor 6, and the upper end of inner seal cover 22 is provided with the pipe joint 23 for the main shaft by motor 6.
The lower surround 25 of described seal A comprises radial section to be the inner side upper surround 24 of open tubular and radial section be outer openings tubulose, the top of upper surround 24 is fixedly connected with bearing 5 cylindrical, the bottom of lower surround 25 is fixedly connected with external seal cover 21, the bottom of upper surround 24 is plugged in lower surround 25, is provided with ring packing rubber pad 26 between the bottom of upper surround 24 and the top of lower surround 25.
Described pressure reduction opening and closing structure B comprises the through hole 30 that one piece of portable plate, 27, two motion bars, 28, two limited blocks 29 and external seal cover 21 are offered, two motion bars 28 are located on the external seal cover 21 of through hole 30 upper and lower respectively, the inner of motion bar 28 is connected with limited block 29, the outer end of motion bar 28 is connected with portable plate 27, and the surface area of portable plate 27 is greater than through hole 30 area.
Be provided with the air water secondary separating system be positioned at above water inlet pipe 2 in described water tank 1, air water secondary separating system comprises the cramping body 31 be located on water tank 1 inwall, cramping body 31 is clamped with the screen pack 32 folded by screen window.
Described motor 6 is connected with the power supply 34 and varying speed switch 35 that are positioned at water tank 1 outside by wire 33.
Adopt technique scheme, the separating system for water in the present invention mainly realizes gas-water separation, is the core of whole device.The water that import is extracted out is transported in the tank in water tank by water inlet pipe, and columnar water stream translation is become dome shape current by tank by this system, and increase current and air contact surfaces amass, and are easy to gas and separate from current.Be that planar flows down in process at current, by the flabellum of quick rotation, current impacted, smash current, under negative pressure ventilation systemic effect, make gas, water be separated.Wherein motor is stepless time adjustment motor, can realize rotating speed 0-500r/min and regulate arbitrarily, according to the size of coal bed gas well aquifer yield, can arrange different rotating speeds.
The power that negative pressure ventilation system mainly provides gas to flow.This system provides the negative pressure required for system mainly through negative pressure pump, can be reduced the pressure of water tank inside by negative pressure, promotes the quick separating of gas and water.Negative pressure ventilation system also provides gas from the power required for water tank outflow simultaneously.The negative pressure pump that this system uses can be adopted as numerical monitor automatic negative pressure control pump.By pressure meter real-time monitoring system negative pressure, automatically open negative pressure pump in time when hypotony.Gas-drying apparatus is mainly separated further to water a small amount of in gas.Gas-drying apparatus inside holds desiccant, carries out further drying, make the basic moisture-free of gas separated to the gas through it.
Automatic drain system mainly realizes the automatic control of liquid level, and discharges the ponding of sealing system inside in time.This system mainly controls rising and the decline of slide valve by the buoyancy suffered by floating body, and then controls the switch of delivery port.When liquid level raises, the buoyancy suffered by floating body starts to increase, and when buoyancy is greater than the weight of floating body and slide valve, slide valve starts to rise, and outlet pipe is opened, and current flow out, and in the process that current flow out, liquid level declines gradually.Along with the buoyancy suffered by liquid level decline floating body reduces gradually, when being less than slide valve and floating body own wt, slide valve starts to decline, outlet pipe is closed again, the water outlet size of outlet pipe is produced regimen condition according to reality and is determined, maximum stream flow can meet the needs of maximum aquifer yield, effectively prevent inner product dilutional hyponatremia.There is height limiting plate can control floating body lifting height on floating body top.
Sealing system mainly carries out seal protection to motor.This system is intake in order to avoid motor, first installs with an external seal cover, then appropriate design seal between seal closure top and bearing outside, and effectively reducing outside water, to enter external seal cover inner, realizes the protection to each device in inside.In order to avoid entering the infringement that the inner a small amount of water of external seal cover causes motor, an inner seal cover is installed in, external seal cover inside outside at motor, can effectively prevent the harm of water to motor like this.
When the inner ponding height of sealing system is greater than extraneous liquid level, under the effect of inside and outside differential pressure, portable plate is opened, internal water flows out, along with inside water pressure reduces, under self gravitation and extraneous hydraulic pressure effect, portable plate is closed again, and this portable plate is mainly controlled automatically by inside and outside differential pressure and self gravitation.
Air water secondary separating system is mainly separated the water in gas.Motor drive flabellum effect under water impacted, rush broken after, under dynamic action, The water splash in all directions, in order to avoid spray directly enters gas piping under suction function, devise air water secondary separating system, and be arranged on water tank upper, the water that will enter air pipe is separated, air water secondary separating system only allows gas to pass through, and does not allow water to pass through.
The present invention by current are become planar stream from columnar flow, and carries out impacting, fragmentation is taken out in conjunction with negative pressure and secondary separation technology, can realize the rapidly and efficiently separation of air water, effectively solves the problem of resource waste that current gas-water separation difficulty causes.Carry out effective sealing by environment residing for motor, reduce water and the burn into of motor is damaged, increase application life; Many mouthfuls of wells share a set of negative pressure ventilation system, have saved cost input.This appliance arrangement floor space is little, simple to operate, low price, gas-water separation are effective, has a extensive future.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the enlarged drawing of seal in Fig. 1;
Fig. 3 is the enlarged drawing of pressure reduction opening and closing structure on Fig. 1 China and foreign countries seal closure;
Fig. 4 is the region disconnecting system schematic of multiple separator composition of the present invention.
Detailed description of the invention
As shown in Figure 1 to 4, coal bed gas extraction well well head air water of the present invention rapidly and efficiently separator, comprise water tank 1, be provided with separating system for water in water tank 1, water tank 1 upper lateral part is provided with the water inlet pipe 2 extend in water tank 1, water tank 1 top is provided with negative pressure ventilation system, water tank 1 following side is provided with automatic drain system, and separating system for water outside is provided with sealing system.
Separating system for water comprises and is located at motor 6 bottom water tank 1 and column 3, column 3 upper end is provided with bowl-shape tank 4, the delivery port of water inlet pipe 2 is positioned at above tank 4, column 3 is equipped with bearing 5, the main shaft of motor 6 is connected by V--belt Drive with between bearing 5 bottom, bearing 5 top is radially evenly provided with three connecting rods 7, and the outer end of every root connecting rod 7 is respectively equipped with a slice flabellum 8, and flabellum 8 is positioned at immediately below tank 4 upper edge.
Separating system for water mainly realizes gas-water separation, is the core of whole device.The water that import is extracted out is transported in the tank 4 in water tank 1 by water inlet pipe 2, and columnar water stream translation is become dome shape current by tank 4 by this system, and increase current and air contact surfaces amass, and are easy to gas and separate from current.Be that planar flows down in process at current, by flabellum 8 center of quick rotation, current impacted, smash current, under the effect of negative pressure ventilation system, make gas, water be separated.Wherein motor 6 is stepless time adjustment motor, and can realize rotating speed 0-500r/min regulates arbitrarily, according to the size of coal bed gas well aquifer yield, can arrange different rotating speeds.
In this system, tank 4 is just as bowl-shape or hemispheric steel body, and tank 4 cross section circular diameter is 1m to the maximum, and current, after tank 4, are outwards overflowed by the edge of this tank 4, forms cylinder planar current.Current are impacted by flabellum 8, smash in the process of flowing downward, and The water splash in all directions, make gas, water be separated under suction function.Wherein flabellum 8 is steel sheet, is just positioned at below current during rotation, and three flabellums 8 are evenly distributed on the cylindrical of bearing 5 in 120 degree, and flabellum 8 and plane are miter angle.Linked together by connecting rod 7 between the cylindrical of flabellum 8 and bearing 5.Bearing 5 is divided into inner ring and outer shroud, is linked together between bearing inner ring and outer race by steel ball, is fixed together by welding between bearing inner ring and column 3.Flabellum 8 rotates required power and is provided by motor 6, and power is supplied to flabellum 8 by the rotation of V-belt in transmission groove by motor 6.And on bearing 5 and motor 6, there is race respectively.
Negative pressure ventilation system comprises the union 9, exhaust tube 10, negative pressure pump 11, pressure meter 12 and the gas-drying apparatus 13 that are located at water tank 1 top, exhaust tube 10 is connected with union 9 by inlet suction port 14, negative pressure pump 11 is located on exhaust tube 10, pressure meter 12 is located at and closes on the exhaust tube 10 of inlet suction port 14, and the gas outlet of negative pressure pump 11 is connected with the air inlet port of gas-drying apparatus 13 by drying tube 15.
The power that negative pressure ventilation system mainly provides gas to flow.This system provides the negative pressure required for system mainly through negative pressure pump 11, can be reduced the pressure of water tank 1 inside by negative pressure, promotes the quick separating of gas and water.Negative pressure ventilation system also provides gas to flow out required power from water tank 1 simultaneously.The negative pressure pump 11 that this system uses can be adopted as numerical monitor automatic negative pressure control pump.By pressure meter 12 real-time monitoring system negative pressure, automatically open negative pressure pump 11 in time when hypotony.Gas-drying apparatus 13 is mainly separated further to water a small amount of in gas.Gas-drying apparatus 13 inside holds desiccant, carries out further drying, make the basic moisture-free of gas separated to the gas through it.
Negative pressure pump 20 in negative pressure ventilation system belongs to region composite device, and several mouthfuls of wells near close region share a negative pressure pump 11, and its joint area as shown in Figure 4.From the water that four well heads 36 are discharged, be transported in water tank 1 through water inlet pipe 2, after separating system for water in water tank 1 is separated, negative pressure pump 11 by gas collection in exhaust tube 10, entered into the further drying process of gas-drying apparatus 13 again by drying tube 15 after, collect gas finally by gas pipeline.Wherein exhaust tube 10 has multiple inlet suction port 14, be connected between inlet suction port 14 and the union 9 on water tank 1 by flexible pipe, wherein inlet suction port 14 is fixed by welding on exhaust tube 10.Exhaust tube 10 is installed setting pressure table 12 and can monitor pressure in water tank 1 in real time.
Automatic drain system comprise be located at water tank 1 following side and extend into outlet pipe 16 in water tank 1, be located on water tank 1 inwall and the fixed head 17 be positioned at above outlet pipe 16 and being located on water tank 1 inwall and the height limiting plate 18 be positioned at above fixed head 17, fixed head 17 is vertically equipped with the slide valve 19 for opening and closing outlet pipe 16, and the upper end of slide valve 19 is provided with the floating body 20 between fixed head 17 and height limiting plate 18.
Automatic drain system mainly realizes the automatic control of liquid level, and discharges the ponding of sealing system inside in time.This system mainly comes rising and the decline of slide valve 19 by the buoyancy suffered by floating body 1, and then controls the switch of delivery port.When liquid level raises, the buoyancy suffered by floating body 1 starts to increase, and when buoyancy is greater than the weight of floating body 1 and slide valve 19, slide valve 19 starts to rise, and outlet pipe 16 is opened, and current flow out, and in the process that current flow out, liquid level declines gradually.Along with the buoyancy suffered by liquid level decline floating body 1 reduces gradually, when being less than slide valve 19 and floating body 1 own wt, slide valve 19 starts to decline, outlet pipe 16 is closed again, the water outlet size of outlet pipe 16 is produced regimen condition according to reality and is determined, maximum stream flow can meet the needs of maximum aquifer yield, effectively prevent inner product dilutional hyponatremia.There is height limiting plate can control floating body 1 lifting height on floating body 1 top.
In this system, the size of floating body 1 designs according to the self gravitation of floating body 1 and the gravity of slide valve 19, is wherein fixed together by wire binding between slide valve 19 and floating body 1.Slide valve 19 is a rectangle steel sheeting, fixed head is a rectangular steel plates, has certain thickness, cuts out a coffin in the outer end of fixed head 17, be convenient to slide valve 19 rise therein and decline, avoid slide valve 19 motion amplitude on left and right and fore-and-aft direction excessive.Be fixed together by welding between fixed head 17 and water tank 1, height limiting plate 18 is arranged on floating body 1 upper end, is fixed by welding on water tank 1.Water tank 1 is that a length is 2m steel cube.
Sealing system comprises external seal cover 21 and inner seal cover 22, the top of external seal cover 21 is located at below flabellum 8, seal A is provided with between the top of external seal cover 21 and bearing 5 outer peripheral face, external seal cover 21 following side is provided with pressure reduction opening and closing structure B, it is outside that inner seal cover 22 is located at motor 6, and the upper end of inner seal cover 22 is provided with the pipe joint 23 for the main shaft by motor 6.
The lower surround 25 of seal A comprises radial section to be the inner side upper surround 24 of open tubular and radial section be outer openings tubulose, the top of upper surround 24 is fixedly connected with bearing 5 cylindrical, the bottom of lower surround 25 is fixedly connected with external seal cover 21, the bottom of upper surround 24 is plugged in lower surround 25, be provided with ring packing rubber pad 26 between the bottom of upper surround 24 and the top of lower surround 25, effectively reduce current and enter into external seal cover 21.
Pressure reduction opening and closing structure B comprises the through hole 30 that one piece of portable plate, 27, two motion bars, 28, two limited blocks 29 and external seal cover 21 are offered, two motion bars 28 are located on the external seal cover 21 of through hole 30 upper and lower respectively, the inner of motion bar 28 is connected with limited block 29, the outer end of motion bar 28 is connected with portable plate 27, and the surface area of portable plate 27 is greater than through hole 30 area.
Sealing system mainly carries out seal protection to motor 6.This system is intake in order to avoid motor 6, first installs with an external seal cover 21, then appropriate design seal between seal closure 21 top and bearing 5 outside, and effectively reducing outside water, to enter external seal cover 21 inner, realizes the protection to each device in inside.In order to avoid entering the infringement that the inner a small amount of water of external seal cover 21 causes motor, an inner seal cover 22 is installed in, external seal cover 21 inside outside at motor, can effectively prevent the harm of water to motor 6 like this.
Portable plate 27 mainly realizes automatically opening under inside and outside differential pressure effect, portable plate 27 is made up of elastomeric material, its gravity should meet the demands, wherein motion bar 28 is steel body, near portable plate 27 one end, be fixed together, in other one end by screw bolt and nut and portable plate 27, welded together by welding and limited block 29., limited block 29 plays the effect limiting motion bar 28 shift position.。
When the inner ponding height of sealing system is greater than extraneous liquid level, under the effect of inside and outside differential pressure, in external seal cover 21, portable plate 27 is opened by hydraulic pressure, internal water flows out, along with inside water pressure reduces, under self gravitation and extraneous hydraulic pressure effect, portable plate 27 is closed again, and this portable plate 27 is mainly controlled automatically by inside and outside differential pressure and self gravitation.
Be provided with the air water secondary separating system be positioned at above water inlet pipe 2 in water tank 1, air water secondary separating system comprises the cramping body 31 be located on water tank 1 inwall, cramping body 31 is clamped with the screen pack 32 folded by screen window.
Air water secondary separating system is mainly separated the water in gas.Drive water under the effect of flabellum 8 to be impacted at motor 6, rush broken after, under dynamic action, The water splash in all directions, in order to avoid spray directly enters gas piping under suction function, devise air water secondary separating system, and be arranged on water tank 1 top, the water that will enter gas piping is separated, air water secondary separating system only allows gas to pass through, and does not allow water to pass through.
Separation in air water secondary separating system mainly adopts multilayer screen window to be stacked together and forms screen pack 32, water enters its pipeline mainly under dynamic action, under suction function, negative pressure ventilation system is entered after being broken into little water droplet, in the obstruction of screen pack 32, the kinetic energy of the globule can be effectively reduced, final difficulty or ease, by screen pack 32, realize again being separated.Screen window adopts the screen window of aperture 1.4mm common on market, after the surrounding of screen window 34 is fixing by cramping body 31, is fixed by welding on water tank 1 inwall.
Motor 6 is connected with the power supply 34 and varying speed switch 35 that are positioned at water tank 1 outside by wire 33.
The wire 33 of motor 6 is connected with extraneous power supply 27 and electrodeless by-pass cock 28 by wire outlet 37, in order to ensure the sealing of system, after connecting power supply, at wire outlet 37 place, wire outlet 37 put into by the cloth being added with polyurethane expansion agent, carries out shutoff to wire outlet 37.
The present embodiment does not do any pro forma restriction to shape of the present invention, material, structure etc.; every above embodiment is done according to technical spirit of the present invention any simple modification, equivalent variations and modification, all belong to the protection domain of technical solution of the present invention.
Claims (8)
1. coal bed gas extraction well well head air water rapidly and efficiently separator, it is characterized in that: comprise water tank (1), be provided with separating system for water in water tank (1), water tank (1) upper lateral part is provided with the water inlet pipe (2) extend in water tank (1), water tank (1) top is provided with negative pressure ventilation system, water tank (1) following side is provided with automatic drain system, and separating system for water outside is provided with sealing system;
Described separating system for water comprises the motor (6) and column (3) that are located at water tank (1) bottom, column (3) upper end is provided with bowl-shape tank (4), the delivery port of water inlet pipe (2) is positioned at tank (4) top, column (3) is equipped with bearing (5), the main shaft of motor (6) is connected with V belt translation between bearing (5) bottom, bearing (5) top is radially evenly provided with three connecting rods (7), the outer end of every root connecting rod (7) is respectively equipped with a slice flabellum (8), and flabellum (8) is positioned at immediately below tank (4) upper edge.
2. coal bed gas extraction well well head air water according to claim 1 rapidly and efficiently separator, it is characterized in that: described negative pressure ventilation system comprises the union (9) being located at water tank (1) top, exhaust tube (10), negative pressure pump (11), pressure meter (12) and gas-drying apparatus (13), exhaust tube (10) is connected with union (9) by inlet suction port (14), negative pressure pump (11) is located on exhaust tube (10), pressure meter (12) be located at close on inlet suction port (14) exhaust tube (10) on, the gas outlet of negative pressure pump (11) is connected with the air inlet port of gas-drying apparatus (13) by drying tube (15).
3. coal bed gas extraction well well head air water according to claim 1 and 2 rapidly and efficiently separator, it is characterized in that: described automatic drain system comprise be located at water tank (1) following side and the outlet pipe (16) extend in water tank (1), to be located on water tank (1) inwall and to be positioned at the fixed head (17) of outlet pipe (16) top and to be located on water tank (1) inwall and to be positioned at the height limiting plate (18) of fixed head (17) top, fixed head (17) is vertically equipped with the slide valve (19) for opening and closing outlet pipe (16), the upper end of slide valve (19) is provided with the floating body (20) be positioned between fixed head (17) and height limiting plate (18).
4. coal bed gas extraction well well head air water according to claim 2 rapidly and efficiently separator, it is characterized in that: described sealing system comprises external seal cover (21) and inner seal cover (22), the top of external seal cover (21) is located at flabellum (8) below, seal (A) is provided with between the top of external seal cover (21) and bearing (5) outer peripheral face, external seal cover (21) following side is provided with pressure reduction opening and closing structure (B), it is outside that inner seal cover (22) is located at motor (6), the upper end of inner seal cover (22) is provided with pipe joint (23) for the main shaft by motor (6).
5. coal bed gas extraction well well head air water according to claim 4 rapidly and efficiently separator, it is characterized in that: the lower surround (25) of described seal (A) comprises radial section to be the inner side upper surround (24) of open tubular and radial section be outer openings tubulose, the top of upper surround (24) is fixedly connected with bearing (5) cylindrical, the bottom of lower surround (25) is fixedly connected with external seal cover (21), the bottom of upper surround (24) is plugged in lower surround (25), ring packing rubber pad (26) is provided with between the bottom of upper surround (24) and the top of lower surround (25).
6. coal bed gas extraction well well head air water according to claim 5 rapidly and efficiently separator, it is characterized in that: described pressure reduction opening and closing structure (B) comprises one piece of portable plate (27), two motion bars (28), the through hole (30) that two limited blocks (29) and external seal cover (21) are offered, two motion bars (28) are located on the external seal cover (21) of through hole (30) upper and lower respectively, the inner of motion bar (28) is connected with limited block (29), the outer end of motion bar (28) is connected with portable plate (27), the surface area of portable plate (27) is greater than through hole (30) area.
7. coal bed gas extraction well well head air water according to claim 1 and 2 rapidly and efficiently separator, it is characterized in that: in described water tank (1), be provided with the air water secondary separating system being positioned at water inlet pipe (2) top, air water secondary separating system comprises the cramping body (31) be located on water tank (1) inwall, cramping body (31) is clamped with the screen pack (32) folded by screen window.
8. coal bed gas extraction well well head air water according to claim 2 rapidly and efficiently separator, is characterized in that: described motor (6) is connected with by wire (33) and is positioned at the outside power supply (34) of water tank (1) and varying speed switch (35).
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| CN201310309838.4A CN103352686B (en) | 2013-07-23 | 2013-07-23 | Coal bed gas extraction well well head air water rapidly and efficiently separator |
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| CN106153412B (en) * | 2015-04-17 | 2019-03-29 | 中交疏浚技术装备国家工程研究中心有限公司 | A kind of method and apparatus that generous amount is saturated closely knit natives' work preparation |
| CN104989448B (en) * | 2015-06-24 | 2018-01-12 | 山西晋城无烟煤矿业集团有限责任公司 | Gas drainage under suction bilayer automatic water drainage device |
| CN106437654B (en) * | 2015-08-06 | 2018-10-09 | 迪瑞普技术（北京）有限公司 | Intellectual gas well mining increasing device |
| CN105089576B (en) * | 2015-09-14 | 2018-06-26 | 中国石油集团渤海石油装备制造有限公司 | A kind of CBM Drainage mining method and its equipment |
| CN106194120A (en) * | 2016-07-22 | 2016-12-07 | 中煤科工集团西安研究院有限公司 | Coal bed gas well water pipeline methane gas separating and reclaiming device and method |
| CN107807204B (en) * | 2017-09-28 | 2020-02-14 | 中国石油天然气集团公司 | Real-time sampling device suitable for methane detection in drainage and production water gap in coal bed gas development process |
| CN109025954B (en) * | 2018-08-16 | 2020-05-12 | 华北水利水电大学 | Well head gas-water separation device of coal bed gas drainage and production well |
| CN117804082B (en) * | 2024-03-01 | 2024-05-31 | 西安笨笨畜牧有限公司 | Refrigerator of freezer |
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| CN2806769Y (en) * | 2005-04-01 | 2006-08-16 | 上海协庆能源技术有限公司 | Coal-bed gas recovery system |
| CN101476485A (en) * | 2009-02-09 | 2009-07-08 | 宁波鲍斯压缩机有限公司 | Large coal bed gas recovery apparatus set |
| CN201924909U (en) * | 2011-01-11 | 2011-08-10 | 常州大学 | Coalbed gas separation device |
| CN102168549A (en) * | 2011-03-30 | 2011-08-31 | 北京万普隆能源技术有限公司 | Device and method for measuring output liquid of coal bed methane well |
| CN203374265U (en) * | 2013-07-23 | 2014-01-01 | 河南理工大学 | Device for rapidly and efficiently separating gas and water at mouth of coalbed methane exhaust and extraction well |
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| CN103352686A (en) | 2013-10-16 |
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