CN206489028U - One kind automation coal bed gas adsorption/desorption experimental apparatus - Google Patents
One kind automation coal bed gas adsorption/desorption experimental apparatus Download PDFInfo
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- CN206489028U CN206489028U CN201720154286.8U CN201720154286U CN206489028U CN 206489028 U CN206489028 U CN 206489028U CN 201720154286 U CN201720154286 U CN 201720154286U CN 206489028 U CN206489028 U CN 206489028U
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Abstract
Coal bed gas adsorption/desorption experimental apparatus is automated the utility model discloses one kind, including coal bed gas voltage stabilizing heater, vacuum extractor, three axles pressurization experimental provision, equipment data acquisition analyzing, three axles pressurization experimental provision includes some bodies, frac tank, connect the injection compression pump of frac tank, the valve VI of connection injection compression pump, there are inlet port and fluid injection end in body one end, the other end has outlet port, fluid injection end connecting valve VI, there is differential manometer between inlet port and outlet port, three-way pipe is connected to inlet port by valve VII, there is pressure gauge between valve VII and air inlet port, outlet port passes through valve VIII connection discharge ducts, flowmeter is provided with the discharge duct.The utility model relatively real in laboratory can simulate coal subsurface reservoir environment, and carry out coal bed gas adsorption and desorption experiment in such circumstances, and technical support is provided for further investigation coal bed gas adsorption-desorption mechanism.
Description
Technical field
The utility model belongs to laboratory experiment device field, more particularly to a kind of automation coal bed gas adsorption and desorption experiment
Device.
Background technology
The quantitative description in coal bed gas adsorption-desorption stage is objective understanding coal bed gas well production capacity, diagnosis coal bed gas well production shape
Condition and the important foundation of optimization mining management, gas storage-occuring regularity, critical desorption pressures test to understanding coal petrography, which have, to be determined
Property effect；This all determines the necessity and importance for carrying out coal bed gas adsorption and desorption experiment.
At present, domestic and foreign scholars have carried out the research of a large amount of coal bed gas adsorption and desorption experiments, but experiment research is main
It is that different-grain diameter coal dust is put into sample cylinder, gas injection absorption-release desorption is carried out to it, this method has shaftless pressure, confined pressure
The defect of loading, temperature, pressure is unable to reach needed for experiment, and destruction coal sample prototype structure, it is impossible to simulate the geology bar of coal seam reservoirs
Part.Therefore, how coal bed gas adsorption-desorption reality is carried out under experiment lab simulation coal subsurface reservoir environment, reduction primal environment
Test, be to test room tester's urgent problem at present.
Utility model content
In place of in view of the shortcomings of the prior art, the purpose of this utility model is that providing a kind of laboratory uses coal seam
Under gas adsorption/desorption experimental apparatus, stress and temperature that it can be different to the application of natural coal sample, simulation coal seam reservoirs geological environment
The coal bed gas gas adsorbed in coal bed gas adsorption-desorption process, research coal sample Desorption characteristics under temperature and pressure double action.
The purpose of this utility model is achieved through the following technical solutions：
One kind automation coal bed gas adsorption/desorption experimental apparatus, including coal bed gas voltage stabilizing heater, vacuum extractor, three
Axle pressurization experimental provision, equipment data acquisition analyzing, the coal bed gas voltage stabilizing heater include coal seam gas tank, pass through valve I
Be connected with the tank connected water bath heating device of coal bed gas, by valve II with water bath heating device booster pump, by valve III with
The vacuum tank of booster pump connection, by valve IV and the tank connected three-way pipe of voltage stabilizing, the vacuum extractor include vavuum pump with
Valve V, the vavuum pump is connected to three-way pipe by valve V, and the three axles pressurization experimental provision includes some bodies, fracturing fluid
Tank, the injection compression pump of connection frac tank, the valve VI of connection injection compression pump, described body one end is provided with inlet port
Fluid injection end, the other end are provided with outlet port, the fluid injection end connecting valve VI, between the inlet port and outlet port
Differential manometer is provided with, the three-way pipe is connected to the inlet port by valve VII, between the valve VII and air inlet port
It is provided with pressure gauge, the outlet port is provided with flowmeter by valve VIII connection discharge ducts on the discharge duct,
The equipment data acquisition analyzing includes data collecting card and analysis computer, and the pressure gauge, differential manometer and flowmeter pass through
Data wire is connected on data collecting card, and the information that the analysis computer is gathered to data collecting card carries out analysis storage；
Further, some bodies are connected side by side；
Preferably, the valve is hand-operated valve；
In order to preferably implement the utility model, described body close to the inlet port be provided with confined pressure liquid injection port,
The outlet port is provided with confined pressure liquid outlet, the confined pressure liquid injection port is connected to injection compression pump by valve, described
Confined pressure liquid outlet is connected in fracturing fluid filling, the body and confined pressure liquid outlet end is provided with baffle plate and piston.
The utility model compared with the prior art, with advantages below and beneficial effect：
The utility model relatively real in laboratory can simulate coal subsurface reservoir environment, and carry out in such circumstances
Coal bed gas adsorption and desorption experiment, technical support is provided for further investigation coal bed gas adsorption-desorption mechanism.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Fig. 2 is three axle of the present utility model pressurization experimental provision structural representation.
Embodiment
The utility model is described in further detail with reference to embodiment, but embodiment of the present utility model is not
It is limited to this.
Embodiment
As shown in Figure 1 and Figure 2, a kind of automation coal bed gas adsorption/desorption experimental apparatus, including coal bed gas voltage stabilizing heating dress
Put, vacuum extractor, three axles pressurization experimental provision, equipment data acquisition analyzing, the coal bed gas voltage stabilizing heater include coal
Layer gas tank 1, the water bath heating device 3 being connected by valve I2 with coal seam gas tank 1, connected by valve II4 and water bath heating device 3
The booster pump 5 that connects, the vacuum tank 7 being connected by valve III6 with booster pump 5, the threeway being connected by valve IV8 with vacuum tank 7
Pipe, the vacuum extractor includes vavuum pump 10 and valve V9, and the vavuum pump 10 is connected to three-way pipe by valve V9, described
Three axles pressurization experimental provision 13 includes some bodies, frac tank 26, the injection compression pump 25 for connecting frac tank 26, connection note
Enter the valve VI15 of compression pump 25, described body one end is provided with inlet port 14 and fluid injection end 16, the other end are provided with outlet
Mouth end 18, the connecting valve VI15 of fluid injection end 16 is provided with differential manometer 21 between the inlet port 14 and outlet port 18,
The three-way pipe is connected to the inlet port 14 by valve VII11, is provided between the valve VII11 and air inlet port 14
Pressure gauge 13, the outlet port 18 is provided with flowmeter by valve VIII19 connection discharge ducts on the discharge duct
20, the equipment data acquisition analyzing includes data collecting card 22 and analysis computer 23, the pressure gauge 12, the and of differential manometer 21
Flowmeter 20 is connected on data collecting card 22 by data wire, the letter that the analysis computer 23 is gathered to data collecting card 22
Breath carries out analysis storage；Some bodies are connected side by side；The valve is hand-operated valve；
The body is provided with confined pressure liquid injection port 27 close to the inlet port 14, is provided with close to the outlet port 18
Confined pressure liquid outlet 28, the confined pressure liquid injection port 27 is connected to injection compression pump 25 by valve, and the confined pressure liquid outlet 28 is connected
Close confined pressure liquid outlet end 18 in 26, the body, which is filled, to fracturing fluid is provided with baffle plate 29 and piston 30.
When being tested using the utility model：
First, coal sample 17 is positioned in three axles pressurization experimental provision 13, all hand-operated valves of closing, opening hand-operated valve V9,
Coal sample 17 in hand-operated valve VII11, startup vavuum pump 10, the experimental provision 13 that pressurizeed to three axles carries out vacuumize process, works as vacuum
Pressure is reached after setting value, closes the 5th hand-operated valve 9 and vavuum pump 10；
Secondly, injection compression pump 25, hand-operated valve VI15 are opened, the fluid injection end 16 for the experimental provision 13 that pressurizeed by three axles is right
Coal sample 17 applies the confined pressure and axle pressure of setting；
Again, the coal bed gas opened in hand-operated valve I2, coal seam gas tank 1 enters water bath heating device 3, and coal bed gas reaches default
After temperature, hand-operated valve III6, the second hand-operated valve II4 are opened, the coal bed gas after heating enters after reaching preset pressure through booster pump 5
Vacuum tank 7, opens hand-operated valve IV8, is passed through the coal bed gas of preset temperature and pressure, when the reading of differential manometer 21 is 0, coal sample absorption
Balance, closes hand-operated valve VII11.
Then, the fracturing fluid in hand-operated valve VI15, frac tank 26 is opened by injecting after the pressurization of compression pump 25, through three axles
Pressurize in the injection of fluid injection end 16 coal sample 17 of experimental provision 13, close hand-operated valve VI15.Open hand-operated valve VIII19, coal sample desorption
Gas through three axles pressurize experimental provision 13 outlet port 18 flow out, flowmeter 20 record desorption coal bed gas volume, data
Capture card 22 is acquired to data such as pressure, times, and solution is drawn to flowmeter 20 and can not detect gas to be terminated for desorption, is analyzed
The data that computer 23 is gathered to data collecting card 22 are recorded, analyzed.
In summary, by the description of the present embodiment, those skilled in the art can be made preferably to implement this programme.
Claims (4)
1. one kind automation coal bed gas adsorption/desorption experimental apparatus, including coal bed gas voltage stabilizing heater, vacuum extractor, three axles
Pressurize experimental provision, equipment data acquisition analyzing, it is characterised in that：The coal bed gas voltage stabilizing heater include coal seam gas tank,
Booster pump is connected with the tank connected water bath heating device of coal bed gas, by valve II with water bath heating device by valve I, passed through
Vacuum tank that valve III is connected with booster pump, by valve IV and the tank connected three-way pipe of voltage stabilizing, the vacuum extractor includes
Vavuum pump and valve V, the vavuum pump are connected to three-way pipe by valve V, and the three axles pressurization experimental provision includes some
Body, frac tank, the injection compression pump of connection frac tank, the valve VI of connection injection compression pump, described body one end is set
There are inlet port and fluid injection end, the other end to be provided with outlet port, the fluid injection end connecting valve VI and goes out the inlet port
Be provided with differential manometer between gas port end, the three-way pipe is connected to the inlet port by valve VII, the valve VII with
It is provided with pressure gauge between air inlet port, the outlet port is set on the discharge duct by valve VIII connection discharge ducts
Be equipped with flowmeter, the equipment data acquisition analyzing includes data collecting card and analysis computer, the pressure gauge, differential manometer and
Flowmeter is connected on data collecting card by data wire, and the information that the analysis computer is gathered to data collecting card is divided
Analysis storage.
2. a kind of automation coal bed gas adsorption/desorption experimental apparatus according to claim 1, it is characterised in that：It is described some
Body is connected side by side.
3. a kind of automation coal bed gas adsorption/desorption experimental apparatus according to claim 1, it is characterised in that：The valve
It is hand-operated valve.
4. a kind of automation coal bed gas adsorption/desorption experimental apparatus according to claim 1, it is characterised in that：The body
The inlet port is provided with confined pressure liquid injection port, confined pressure liquid outlet is provided with close to the outlet port, the confined pressure note
Liquid mouthful is connected to injection compression pump by valve, and the confined pressure liquid outlet is connected in fracturing fluid filling, the body close to confined pressure
Liquid outlet end is provided with baffle plate and piston.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154286.8U CN206489028U (en) | 2017-02-21 | 2017-02-21 | One kind automation coal bed gas adsorption/desorption experimental apparatus |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154286.8U CN206489028U (en) | 2017-02-21 | 2017-02-21 | One kind automation coal bed gas adsorption/desorption experimental apparatus |
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| Publication Number | Publication Date |
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| CN206489028U true CN206489028U (en) | 2017-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720154286.8U Expired - Fee Related CN206489028U (en) | 2017-02-21 | 2017-02-21 | One kind automation coal bed gas adsorption/desorption experimental apparatus |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186807A (en) * | 2019-06-20 | 2019-08-30 | 中国地质大学（北京） | A kind of coal bed gas automatic absorbing desorption experimental apparatus |
-
2017
- 2017-02-21 CN CN201720154286.8U patent/CN206489028U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110186807A (en) * | 2019-06-20 | 2019-08-30 | 中国地质大学（北京） | A kind of coal bed gas automatic absorbing desorption experimental apparatus |
| CN110186807B (en) * | 2019-06-20 | 2020-06-16 | 中国地质大学（北京） | Automatic adsorption and desorption experimental device for coal bed gas |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170912 Termination date: 20180221 |