CN205477588U - Water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam - Google Patents
Water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam Download PDFInfo
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- CN205477588U CN205477588U CN201620283642.1U CN201620283642U CN205477588U CN 205477588 U CN205477588 U CN 205477588U CN 201620283642 U CN201620283642 U CN 201620283642U CN 205477588 U CN205477588 U CN 205477588U
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Abstract
The utility model discloses a water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam, include that well tube formwork plans the device, the movable support that lives, the both ends that well tube formwork planned the device are equipped with top connection and lower clutch respectively, the lower clutch is connected with second check valve, notes liquid valve, liquid injected stream gauge, water pump in proper order, the top connection is connected with flowing back valve, vapour and liquid separator, fluidflowmeter, drain cock in proper order, the lower clutch is connected with first check valve, total suction valve, huge current metered valve, vortex flowmeter, manometer, air -vent valve, gas storage pot valve, gas holder, air compressor in proper order, the manometer passes through parallel pipeline and is connected with total suction valve secondary to it is equipped with rotor flow meter, rill metered valve in proper order to ally oneself with the pipeline, the movable support that lives includes support body, brake casters, wire rope, fixed pulley. The utility model discloses can migration, the sedimentation rule of analog study buggy solid phase microparticle in the pit shaft.
Description
Technical field
This utility model relates to a kind of analog, is specifically related to a kind of coal bed gas well pit shaft internal drainage gas production coal dust transported simulation
Device.
Background technology
Coal bed gas, as a kind of clean environment firendly energy, is that the grand strategy of conventional gas is supplemented, country is alleviated emission reduction,
Optimization of Energy Structure, realize economic transition and have important strategic importance.It mainly obtains mode is mining with surface drill well, utilizes
Artificial well carries out pump drainage to the subsoil water in coal seam and country rock thereof, thus reduces coal seam reservoirs pressure, promotes absorption in coal seam
Methane desorbing gas discharges, and is collected to well head via oil jacket annular carrying.The existence of coal dust solid microparticulate is coal bed gas
Well array adopts a big feature of production, and in mining production process, coal dust is in wellbore bottom, the most poly-away from Pump Suction Nozzle one end
Collect agglomerating, and then form deposit buildup or coal bridge, cause that well blocking is smooth, holddown, bury the problems such as pump.The most at any time
Solve flow behavior and the flow pattern grasping coal bed gas well downhole well fluid, specify migration and the aggregate and precipitate rule of coal dust, for mining
Way choice and mining are stopped well operations risk assessment etc. and are provided favourable guidance and basis for estimation, for formulating rational mining
System, it is to avoid blindly extraction, it is achieved production capacity maximizes significant.
In recent years, with the development of coal bed gas industry, the mining for coal bed gas well has had some analogue experiment installations,
Such as the coal dust output experimental provision in vertical bore, the visual experimental apparatus of simulation wellbore hole annulus multi phase flow, water pumping gas production is real
Experiment device etc..But the function of these analogue experiment installations is the most single, will visualization, high pressure resistant and to temperature,
Pressure, hole deviation, tolerance, the comprehensive regulation of liquid measure and device realize unified combination to the adaptability of coal dust solid microparticulate,
Cannot the flow behavior of coal dust solid microparticulate in accurate simulation coal bed gas well pit shaft, and then the migration of true reflection coal dust is with poly-
Collection Precipitation.
Utility model content
The purpose of this utility model is to provide a kind of coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device, this device
Can be with the migration in the wellbore of simulation study coal dust solid microparticulate, settlement law.
This utility model be the technical scheme is that
A kind of coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device, simulates dress including pit shaft analog and pit shaft
Putting the travel(l)ing rest of connection, the upper end of described pit shaft analog is provided with top connection, and the lower end of pit shaft analog is provided with down and connects
Head；
Described lower contact injects effusion meter with the second check valve, liquid-filling valve, liquid successively, water pump is connected, and the liquid phase of water pump is entered
Entering end to connect with water tank, water pump is by the liquid suction pit shaft analog in water tank；
Described top connection is connected with tapping valve, gas-liquid separator, fluid flowmeter, eduction valve successively, and eduction valve is by shaft drum form
Intend the water in device to discharge；Described top connection is connected with gas-liquid separator by vent valve, and gas-liquid separator is connected to relief valve；
Described lower contact successively with the first check valve, total gas injection valve, large-capacity valve, vortex-shedding meter, Pressure gauge, pressure regulator valve,
Gas storage pot valve, air accumulator, air compressor connect, and described Pressure gauge pipeline in parallel is connected with total gas injection valve secondary, and
Union road is sequentially provided with spinner flowmeter, low discharge valve；
Described pit shaft analog includes transparent pressure glass tubing, is provided with multi-section type central canal in described transparent pressure glass tubing,
Described multi-section type central canal is threaded connection by some joint short tubes and forms；Multi-section type central canal is pressure with transparent by top connection
Glass tubing connects, and is fixed on the center of transparent pressure glass tubing by centralizer；
Described travel(l)ing rest includes that rack body, the lower end of described rack body are provided with brake castor, described rack body upper
End is connected with one end of steel wire rope, and the other end of steel wire rope passes fixed pulley；
Temperature sensor, pressure transducer, constant temperature heating device, temperature sensing it is respectively equipped with in described top connection and lower contact
Device, pressure transducer, constant temperature heating device, air compressor, vortex-shedding meter, water pump are connected with control terminal, control
Terminal can control water pump, air compressor, constant temperature heating device, gathers top connection and the temperature sensor of lower contact and pressure
Force sensor data, and the fluid flow data of vortex-shedding meter metering.
Further scheme is, vent valve is positioned at the top of gas-liquid separator with the interface that connects of gas-liquid separator；Relief valve
It is positioned at the top of gas-liquid separator with the interface that connects of gas-liquid separator；Tapping valve is positioned at gas with the connection interface of gas-liquid separator
The middle and lower part, side of liquid/gas separator；Be provided with the short tube of band internal and external threads in the bottom of gas-liquid separator, short tube stretches into gas-liquid separation
In device, and exceed 4-6cm bottom gas-liquid separator；Described short tube is connected with fluid flowmeter.This structure can guarantee that gas-liquid is divided
From effect；By pipeline precession gas-liquid separator 4-6cm, it is possible to prevent the clogging deposits pipeline piled up bottom gas-liquid separator,
Affect flowing and the circulation of liquid phase.
Further scheme is, vent valve connects with the connection of gas-liquid separator with connection interface, the relief valve of gas-liquid separator
Mouth, tapping valve are threadeded with gas-liquid separator employing with the connection interface of gas-liquid separator；Fluid flowmeter uses with short tube
Threaded.Use and threaded be easily installed and dismantle, also allow for cleaning.
Further scheme is, gas-liquid separator leads to more than the interface of short tube with fluid flowmeter with the interface latus rectum of tapping valve
Footpath；The maximum opening of tapping valve is more than the maximum opening of eduction valve.If the internal diameter of tapping valve is little, then there is liquid phase and flow into
Less than flowing out, cause seal failure, be unfavorable for the separation of gas-liquid.
Further scheme is, the liquid outlet of water pump is connected with flow divider, utilizes the shunting of flow divider, the liquid of regulation and control water pump
Phase port of export output.
Further scheme is, described lower contact is made up of with seal base lower contact pipe nipple, and seal base is short with lower contact
Joint is threaded connection, it is simple to cleaning precipitate.
Further scheme is, the placement location entirety of gas-liquid separator, higher than the top of pit shaft analog, can make gas-liquid
Separator effectively plays gas-liquid separation effect, facilitates experimental implementation and metering liquid phase flow.
Further scheme is, described top connection, lower contact use with pit shaft analog threadeds.Transparent pressure glass
Glass pipe can bear the pressure of not higher than 1.5Mpa, and design simulation pressure is less than 0.8MPa, and the highest bearing temperature is 55 DEG C.
The beneficial effects of the utility model are:
Can simulate multiple under the conditions of arbitrarily the flow behavior of coal dust solid microparticulate in hole deviation steady tilted section pit shaft, migrate with assemble heavy
Shallow lake rule, and can directly observe multiphase flow fluid flow movement rule；
First check valve, total gas injection valve, large-capacity valve, low discharge valve, vortex-shedding meter, spinner flowmeter, pressure regulator valve,
Gas storage pot valve, air accumulator, air compressor are for simulating the gas phase flowing in coal bed gas well pit shaft；
Pressure regulator valve controls to export gas phase air pressure together with air accumulator, and Pressure gauge is used for checking pressure regulator valve outlet pressure；Vent valve,
Relief valve, pressure regulator valve, air accumulator, air compressor, total gas injection valve, large-capacity valve, low discharge valve are for regulation device
Gas phase flows；
Vortex-shedding meter, spinner flowmeter is used to separate the mode of metered flow, to realize large range high precision metering；
Carry or transfer travel(l)ing rest upper end on steel wire rope, coordinate brake castor with regulation, fixing coal bed gas well pit shaft angle, angle
Degree adjustable extent 0～90 °, it is achieved the inclination of coal bed gas well pit shaft；
Transparent pressure glass tubing is used can directly to observe gas phase, the flowing of liquid phase in simulation coal bed gas well pit shaft；
Be threaded connection the multi-section type central canal formed by some joint short tubes, its length and external appearance characteristic size all can be by more
Change and reject short tube to realize, install, regulate simplicity, different pipe string structure characteristic simulations in pit shaft can be realized；
Top connection is connected with multi-section type central canal, transparent pressure glass tubing respectively by screw thread, and lower contact passes through screw thread with transparent
Pressure glass tubing connects, and installs the most simple and convenient；
The multiphase flow flow condition in coal bed gas well any hole deviation steady tilted section pit shaft can be simulated, be theoretical research and engineering practice
Important checking and guidance；
This utility model is possible not only to realize the biphase flowing simulated experiment in pit shaft analog of gas and water, it is possible to realize coal
The multiphase flow simulation experiment in pit shaft analog of powder, gas and water；Coordinate temperature, the regulation of pressure, also can realize coal
The fluid-flow analogy in layer Wellbore of Gas Wells internal drainage each stage of gas production；
This utility model is easy and simple to handle, feature richness, it is only necessary to switches, adjust interface, control valve opening, changes fluid stream
Dynamic circulation process and flow, meet different experiments demand；
This utility model by temperature sensor, pressure transducer, constant temperature heating device, air compressor, vortex-shedding meter,
Water pump is connected with controlling terminal, has both simplified operation, also achieves measuring in real time and gathering of data.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the structural representation of gas-liquid separator；
Fig. 3 is pit shaft analog and gas-liquid separator locus schematic diagram；
Wherein: 1, rack body, 2, brake castor, 3, fixed pulley, 4, steel wire rope, 5, vent valve, 6, top connection,
7, transparent pressure glass tubing, 8, multi-section type central canal, 9, lower contact, the 10, second check valve, 11, liquid-filling valve, 12,
Flow divider, 13, water pump, 14, water tank, 15, eduction valve, 16, fluid flowmeter, 17, liquid phase pipeline, 18, first
Check valve, 19, total gas injection valve, 20, gas-liquid separator, 21, large-capacity valve, 22, low discharge valve, 23, flux of vortex street
Meter, 24, spinner flowmeter, 25, Pressure gauge, 26, pressure regulator valve, 27, air accumulator, 28, vapor delivery line, 29, air
Compressor, 30, control terminal, 31, tapping valve, 32, data cable, 33, centralizer, 34, gas storage pot valve, 35,
Liquid injects effusion meter, and 36, relief valve.
Detailed description of the invention
In order to make the purpose of this utility model, technical scheme and advantage clearer, below in conjunction with drawings and Examples,
This utility model is further elaborated.Should be appreciated that specific embodiment described herein is only in order to explain this reality
With novel, it is not used to limit this utility model.
Seeing Fig. 1, Fig. 2, Fig. 3, a kind of coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device, including shaft drum form
Intending the travel(l)ing rest that device is connected with pit shaft analog, the upper end of described pit shaft analog is provided with top connection 6, pit shaft
The lower end of analog is provided with lower contact 9；Dismount for convenience and install, top connection 6, lower contact 9 and pit shaft simulation dress
Put employing threaded；
Pit shaft analog includes transparent pressure glass tubing 7, is provided with some joints and is threaded connection in transparent pressure glass tubing 7
Multi-section type central canal 8, its arbitrarily joint can be disallowable or replace；Multi-section type central canal 8 is fixed on transparent by centralizer 33
In pressure glass tubing 7；
Travel(l)ing rest includes that rack body 1, the lower end of rack body 1 are provided with brake castor 2, the upper end of rack body 1 with
One end of steel wire rope 4 connects, and the other end of steel wire rope 4 passes fixed pulley 3；Carry on steel wire rope 4 or transfer rack body 1
Upper end, coordinates brake castor 2 with regulation, fixed angle, and adjustable angle scope is 0～90 °, is used for simulating coal bed gas well well
The inclination of cylinder；
Lower contact 9 injects effusion meter 35, water with the second check valve 10, liquid-filling valve 11, liquid successively by liquid phase pipeline 17
Pump 13 connects, and water pump 13 liquid-phase outlet end is connected with flow divider 12, utilizes the shunting of flow divider 12, regulates and controls water pump 13
Liquid-phase outlet end output, water pump 13 is by the liquid suction pit shaft analog in water tank 14；Top connection 6 successively with discharge opeing
Valve 31, gas-liquid separator 20, fluid flowmeter 16, eduction valve 15 connect, and eduction valve 15 is by the liquid of pit shaft analog
Body is discharged；Top connection 6 is connected with gas-liquid separator 20 by vent valve 5, and gas-liquid separator 20 is connected to relief valve 36；
Second check valve 10, liquid-filling valve 11, water pump 13, flow divider 12, eduction valve 15, gas-liquid separator 20, tapping valve 31,
Regulate and control the liquid phase flowing of whole device, be used for simulating coal bed gas well pit shaft and include the migration of coal dust liquid phase；
Lower contact 9 by vapor delivery line 28 successively with the first check valve 18, total gas injection valve 19, large-capacity valve 21, vortex street stream
Gauge 23, Pressure gauge 25, pressure regulator valve 26, gas storage pot valve 34, air accumulator 27, air compressor 29 connect；Pressure gauge
25 in parallel pipeline be connected for 19 2 times with total gas injection valve, parallel pipeline is sequentially provided with spinner flowmeter 24, low discharge valve 22；
First check valve 18, total gas injection valve 19, large-capacity valve 21, low discharge valve 22, vortex-shedding meter 23, spinner flowmeter
24, pressure regulator valve 26, gas storage pot valve 34, air accumulator 27, air compressor 29 are for simulating the gas phase in coal bed gas well pit shaft
Flowing；Air compressor 29, pressure regulator valve 26 control to export gas phase air pressure together with air accumulator 27, and Pressure gauge 25 is for school
Core pressure regulator valve 26 outlet pressure；Vent valve 5, relief valve 36, pressure regulator valve 26, air accumulator 27, air compressor 29, total
Gas injection valve 19, large-capacity valve 21, low discharge valve 22 combinatorial regulation device gas phase flow；For realizing large range high precision metering,
Use vortex-shedding meter 23, spinner flowmeter 24 separately metered flow mode；
Top connection 6 and lower contact 9 are respectively equipped with temperature sensor, pressure transducer, constant temperature heating device, temperature sensor,
Pressure transducer, constant temperature heating device, air compressor 29, vortex-shedding meter 23, water pump 13 are by data cable 32
It is connected with controlling terminal 30, controls terminal 30 and can control water pump 13, air compressor 29, constant temperature heating device, adopt
Collect top connection 6 and the temperature sensor of lower contact 9 and pressure sensor data, and the fluid of vortex-shedding meter 23 metering
Data on flows.
In the present embodiment, vent valve 5 is positioned at the top of gas-liquid separator 20 with the interface that connects of gas-liquid separator 20；Pressure release
Valve 36 is positioned at the top of gas-liquid separator 20 with the interface that connects of gas-liquid separator 20；Tapping valve 31 and gas-liquid separator 20
The interface that connects be positioned at the middle and lower part, side of gas-liquid separator 20；It is provided with band internal and external threads in the bottom of gas-liquid separator 20
Short tube, short tube stretches in gas-liquid separator 20, and exceeds 5cm bottom gas-liquid separator 20, this short tube and fluid flowmeter
16 connect.Vent valve 5 and gas-liquid separator 20 connect interface, the connection interface of relief valve 36 and gas-liquid separator 20,
The connection interface of tapping valve 31 and gas-liquid separator 20 uses with gas-liquid separator 20 threadeds；Fluid flowmeter 16 with
Short tube uses threaded, had both been easily installed and had dismantled, and also allows for cleaning.
In this utility model, in order to reach good sealing effectiveness, it is achieved gas-liquid separation, can use gas-liquid separator 20 with
The interface internal diameter of tapping valve 31 is more than short tube and the interface internal diameter with fluid flowmeter 16；The maximum opening of tapping valve is more than letting out
The maximum opening of stream valve.
In this utility model, being made up of with seal base lower contact pipe nipple in lower contact 9, seal base leads to lower contact pipe nipple
Cross threaded.Transparent pressure glass tubing 7 can bear the pressure of not higher than 1.5Mpa, and design simulation pressure is less than 0.8MPa,
The highest bearing temperature is 55 DEG C.
In this utility model, the placement location entirety of gas-liquid separator, higher than the top of pit shaft analog, can make gas-liquid separation
Device effectively plays gas-liquid separation effect, facilitates experimental implementation and metering liquid phase flow.
This utility model can simulate multiple under the conditions of any flow condition of multiphase flow in hole deviation steady tilted section pit shaft.
The above-mentioned coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device of a kind of employing carries out coal bed gas well pit shaft internal drainage
The method of gas production coal dust transported simulation, comprises the steps:
1), according to shape space annular space size characteristic in coal bed gas well pit shaft, coal bed gas well pit shaft internal drainage gas production coal dust fortune is assembled
Move analog；
2), rack body 1 initial level is placed；On carry the steel wire rope 4 of rack body 1 upper end, open rack body simultaneously
The banking pin of 1 lower end brake castor 2；Carry on steel wire rope 4, coordinate brake castor 2, pit shaft analog is regulated to really
Determining angle, then fix steel wire rope 4, brake castor 2 inserts banking pin, keeps angle of inclination to stablize constant；
3), with reference to scale inside water tank 14, quantitative clear water is added；Or according to coal bed gas well field working conditions, choose suitable grain
Footpath coal dust, adds in water tank 14, mixes the solidliquid mixture determining volumetric concentration, keep being sufficiently stirred for；The most real
Executing in example, the volumetric concentration of solidliquid mixture is less than 35%, and microparticle particle diameter is not more than 2mm；
4), open vent valve 5, liquid-filling valve 11, relief valve 36, tapping valve 31, open water pump 13 by controlling terminal 30
Toward injecting liquid in pit shaft analog, liquid phase is had after overflowing, to switch off the pump 13 until relief valve 36；
5), selecting gas line flow process, atm number selects vortex-shedding meter 23 and large-capacity valve 21 branch road, and little tolerance selects spinner
Meter 24 and low discharge valve 22 branch road；Close total gas injection valve 19, large-capacity valve 21, low discharge valve 22, gas storage pot valve 34,
The output port pressure of pressure regulator valve 26 is adjusted to minimum；Air compressor 29 is opened, toward air accumulator by controlling terminal 30
Gas injection in 27, after reaching setup pressure value in air accumulator 27, air compressor 29 is automatically stopped active standby；Work as air accumulator
When in 27, pressure is less than 1Mpa, air compressor 29 automatically turns on again；
6), select to open low discharge valve or large-capacity valve according to setting simulation gas uninterrupted；Open gas storage pot valve 34
With total gas injection valve 19, crack relief valve 36；Regulation and control pressure regulator valve 26 output port pressure, utilizes and in pit shaft analog
Pressure differential carries gas, realizes discharge opeing, gas injection, supercharging；
7), progressively regulate and increase pressure regulator valve 26 output port pressure, coordinate crack relief valve 36 to set up in pit shaft analog
Pressure, force value in Synchronous pit shaft analog；Regulation and control relief valve 36 aperture and pressure regulator valve 26 output port pressure,
Realizing in pit shaft analog under the constant premise of pressure, gas flow increases；Control terminal 30 open top connection 6 with under
The built-in thermostat of joint 9, it is achieved the simulation of temperature in pit shaft analog；
8), by controlling terminal 30 open water pump 13, open liquid-filling valve 11, standard-sized sheet flow divider 12, crack eduction valve 15,
And slowly turn down flow divider 12 aperture and increase eduction valve 15 aperture, make liquid inject effusion meter 35 and fluid flowmeter 16
Show value consistent, suitable with design liquid phase flow rate；
9) migration of coal dust and aggregate and precipitate rule in pit shaft analog, are observed；Change temperature, pressure, liquid measure, tolerance,
One or several parameter in solid phase coal dust microparticle concentration, hole deviation, coal bed gas well borehole size feature, observes the fortune of coal dust
Move and aggregate and precipitate rule, the change of multiphase flow flow condition.
This method can realize gas, liquid, solid, the simulation of multiphase flow flow condition in coal bed gas well any hole deviation steady tilted section pit shaft；
Change temperature, pressure, tolerance, liquid measure, solid phase coal dust microparticle concentration by regulation, come migration and the gathering of studying coal powder
Precipitation, selection and mining for production scheme stop well operations risk assessment etc. and provide favourable guidance and basis for estimation.
It should be appreciated that for those of ordinary skills, can be improved according to the above description or be converted, and
All these modifications and variations all should belong to the protection domain of this utility model claims.
Claims (8)
1. a coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device, including pit shaft analog and shaft drum form
Intend the travel(l)ing rest that device connects, it is characterised in that: the upper end of described pit shaft analog is provided with top connection, pit shaft simulation dress
The lower end put is provided with lower contact；
Described lower contact injects effusion meter with the second check valve, liquid-filling valve, liquid successively, water pump is connected, and water pump is by water tank
Liquid suction pit shaft analog；
Described top connection is connected with tapping valve, gas-liquid separator, fluid flowmeter, eduction valve successively, and eduction valve is by shaft drum form
Intend the water in device to discharge；Described top connection is connected with gas-liquid separator by vent valve, and gas-liquid separator is connected to relief valve；
Described lower contact successively with the first check valve, total gas injection valve, large-capacity valve, vortex-shedding meter, Pressure gauge, pressure regulator valve,
Gas storage pot valve, air accumulator, air compressor connect；Described Pressure gauge pipeline in parallel is connected with total gas injection valve secondary, and
Union road is sequentially provided with spinner flowmeter, low discharge valve；
Described pit shaft analog includes transparent pressure glass tubing, is provided with multi-section type central canal in described transparent pressure glass tubing,
Described multi-section type central canal is threaded connection by some joint short tubes and forms, and multi-section type central canal is pressure with transparent by top connection
Glass tubing connects, and is fixed on the center of transparent pressure glass tubing by centralizer；
Described travel(l)ing rest includes that rack body, the lower end of described rack body are provided with brake castor, described rack body upper
End is connected with one end of steel wire rope, and the other end of steel wire rope passes fixed pulley；
Temperature sensor, pressure transducer, constant temperature heating device, temperature sensing it is respectively equipped with in described top connection and lower contact
Device, pressure transducer, constant temperature heating device, air compressor, vortex-shedding meter, water pump are connected with control terminal.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 1, it is characterised in that:
Vent valve is positioned at the top of gas-liquid separator with the interface that connects of gas-liquid separator；Relief valve and the connection interface of gas-liquid separator
It is positioned at the top of gas-liquid separator；Tapping valve is positioned at the middle and lower part, side of gas-liquid separator with the interface that connects of gas-liquid separator；
Be provided with the short tube of band internal and external threads in the bottom of gas-liquid separator, short tube stretches in gas-liquid separator, and exceeds gas-liquid separator
Bottom 4-6cm；Described short tube is connected with fluid flowmeter.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 2, it is characterised in that:
Vent valve and the connection interface, tapping valve and the gas-liquid separator that connect interface, relief valve and gas-liquid separator of gas-liquid separator
Connection interface and gas-liquid separator use and threaded；Fluid flowmeter uses with short tube threadeds.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 1, it is characterised in that:
Gas-liquid separator is more than the interface latus rectum with fluid flowmeter with the interface latus rectum of tapping valve；The maximum opening of tapping valve is more than letting out
The maximum opening of stream valve.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 1, it is characterised in that:
The liquid outlet of water pump is connected with flow divider.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 1, it is characterised in that:
Described top connection, lower contact use with pit shaft analog threadeds.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 6, it is characterised in that:
Described lower contact is made up of with seal base lower contact pipe nipple, and seal base is threaded connection with lower contact pipe nipple.
Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device the most according to claim 1, it is characterised in that:
The placement location entirety of gas-liquid separator is higher than the top of pit shaft analog.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283642.1U CN205477588U (en) | 2016-04-07 | 2016-04-07 | Water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620283642.1U CN205477588U (en) | 2016-04-07 | 2016-04-07 | Water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205477588U true CN205477588U (en) | 2016-08-17 |
Family
ID=56643552
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620283642.1U Withdrawn - After Issue CN205477588U (en) | 2016-04-07 | 2016-04-07 | Water pumping gas production buggy migration analogue means in gas well pit shaft of coal seam |
Country Status (1)
| Country | Link |
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| CN (1) | CN205477588U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735966A (en) * | 2016-04-07 | 2016-07-06 | 中国地质大学（武汉） | Coal-bed gas well shaft drainage gas recovery coal dust migration simulation device and simulation method |
-
2016
- 2016-04-07 CN CN201620283642.1U patent/CN205477588U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105735966A (en) * | 2016-04-07 | 2016-07-06 | 中国地质大学（武汉） | Coal-bed gas well shaft drainage gas recovery coal dust migration simulation device and simulation method |
| CN105735966B (en) * | 2016-04-07 | 2018-08-17 | 中国地质大学（武汉） | Coal bed gas well pit shaft internal drainage gas production coal dust transported simulation device and analogy method |
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