CN107677776A - A kind of coal-bed flooding bar-shaped additive simulating test device and method - Google Patents
A kind of coal-bed flooding bar-shaped additive simulating test device and method Download PDFInfo
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- CN107677776A CN107677776A CN201710946842.XA CN201710946842A CN107677776A CN 107677776 A CN107677776 A CN 107677776A CN 201710946842 A CN201710946842 A CN 201710946842A CN 107677776 A CN107677776 A CN 107677776A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N13/00—Investigating surface or boundary effects, e.g. wetting power; Investigating diffusion effects; Analysing materials by determining surface, boundary, or diffusion effects
- G01N13/02—Investigating surface tension of liquids
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Abstract
The invention discloses a kind of coal-bed flooding bar-shaped additive simulating test device and method, belong to coal mining dust control technology field.The simulating test device includes：Motor test pump, simulation filling pipe, water tank, support frame, the first high-pressure rubber pipe, the second high-pressure rubber pipe and surface and interface tensiometer, the right-hand member of first high-pressure rubber pipe is connected by ring flange with simulating the left end of filling pipe, the right-hand member of simulation filling pipe is connected by ring flange with the left end of the second high-pressure rubber pipe, the right-hand member of second high-pressure rubber pipe is located in water tank, valve is equipped with first high-pressure rubber pipe and the second high-pressure rubber pipe, second high-pressure rubber pipe is provided with flowmeter, and simulation filling pipe is provided with manograph.The bar-shaped additive analog detection method of coal-bed flooding is additionally provided, simulating test device of the invention can test the bar-shaped additive solubility property of solid-state under the conditions of different hydraulic pressure, different water flows, be determined by solution surface tension, optimize additive formulations.
Description
Technical field
The present invention relates to coal mining dust control technology field, and in particular to a kind of coal-bed flooding is simulated with bar-shaped additive and surveyed
Try device and method.
Background technology
Coal-bed flooding coal body of prewetting is that coal dust yield is most basic when reducing seam mining, maximally effective dust-proof means.
High methane, projecting mine coal-bed flooding can also prevent and treat the disasters such as coal and gas prominent, bump, be the important disaster in colliery
Integrated control technique measure.Coal-bed flooding wetting is substantially that the aqueous solution substitutes coal body hole, the process of crack surface of solids gas phase,
The size of coal wetability largely affects flood effectiveness quality.Because mine water surface tension is general higher, commonly
Coal-bed flooding wetting effect is not ideal enough.Theory and practice shows：Surfactant is added in coal-bed flooding significantly to drop
The surface tension of low water, obtain preferable wetting effect.Related scholar has carried out in-depth study for surfactant formula
Work, the additive of preparation mainly have two kinds of liquid and solid-state, and the overwhelming majority is liquid additive.It is special solid using coal-bed flooding
The bar-shaped additive of state implements water filling, and in actual applications with the advantages of operating procedure is simple, cost is cheap, coal seam is noted at the scene
Preferable effect is achieved in water test.Based on saponification prepare the bar-shaped additive of the special solid-state of coal-bed flooding, it is necessary to
Its solubility property under high pressure river channels is detected, and then optimizes its formula, it is larger to implement many experiments difficulty at the scene.Cause
This, proposes a kind of laboratory coal-bed flooding bar-shaped additive simulating test device and method, determines different hydraulic pressure, flow condition
Under bar-shaped additive solubility property, obtain experimental data, can further optimize additive formulations, more preferably applied to live coal seam
Water Injection Engineering, obtain preferable water filling wetting coal seam effect.
The content of the invention
The invention aims to overcome the problems of the prior art, there is provided a kind of bar-shaped additive mould of coal-bed flooding
Intend test device and method.
The invention provides a kind of coal-bed flooding with bar-shaped additive simulating test device, including：Motor test pump, simulation
Filling pipe, water tank, support frame, the first high-pressure rubber pipe, the second high-pressure rubber pipe and surface and interface tensiometer, first high-pressure rubber pipe
Left end and the water side of motor test pump connect, the right-hand member of the first high-pressure rubber pipe passes through a left side for ring flange and simulation filling pipe
End connection, the right-hand member for simulating filling pipe are connected by ring flange with the left end of the second high-pressure rubber pipe, the right side of the second high-pressure rubber pipe
End is located in water tank, and the simulation filling pipe is fixedly connected with support frame；First high-pressure rubber pipe and the second high-pressure rubber pipe
On be equipped with valve, be additionally provided with flowmeter on the second high-pressure rubber pipe, simulation filling pipe is provided with manograph, electronic pressure testing
Pump and power electric connection.
It is preferred that support is triangular support bracket.
It is preferred that the bottom of the simulation filling pipe is placed with bar-shaped additive, bar-shaped additive is placed on simulation note
At 1/3 to 2/3 length of waterpipe.
It is as follows with bar-shaped additive analog detection method, step present invention also offers a kind of coal-bed flooding：
S1. the bar-shaped additive prepared is put into simulation water injecting pipeline, by simulation water injecting pipeline and the first high-pressure glue
Pipe connects fastening with the second high-pressure rubber pipe；
S2. by the water tank internal memory full water of motor test pump, the water injection pressure of motor test pump is set；
S3. valve is opened, opens motor test pump, starts water filling simulated experiment, simulation water filling is entered by Valve controlling
The intake pressure of pipeline and the solution come out from simulation filling pipe go out flow quantity, and intake pressure remembered by manograph
Record, goes out flow quantity and is shown by flowmeter；
S4. at interval of 30-60min, from water tank extracting aqueous solution, solution is determined using FTA200 surface and interfaces tensiometer
Surface tension size, analyze the solubility property of bar-shaped additive；
S5. the size of water injection pressure, intake pressure and water flow, the operation for the S1-S4 that repeats the above steps are adjusted.
It is preferred that in step S2, water injection pressure is set as 1~20MPa.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention simulating test device can test different hydraulic pressure,
The bar-shaped additive solubility property of solid-state, is determined by solution surface tension under the conditions of different water flows, further optimization addition
The formula of agent, it is existing to realize the bar-shaped additive of coal-bed flooding of the surface tension and slow mechanism dissolved that can largely reduce water
The offer supports such as the field dust-proof, gas prevention of coal-bed flooding.
Brief description of the drawings
Fig. 1 is the structural representation of test device of the present invention.
Description of reference numerals：
1. motor test pump, 2. simulation filling pipes, 3. water tanks, 4. support frames, 5. first high-pressure rubber pipes, 6. second high pressures
Sebific duct, 7. valves, 8. flowmeters, 9. manographs, 10. ring flanges.
Embodiment
Below in conjunction with the accompanying drawings 1, the embodiment of the present invention is described in detail, it is to be understood that the guarantor of the present invention
Shield scope is not limited by embodiment.Based on the embodiment in the present invention, those of ordinary skill in the art are not having
The every other embodiment obtained on the premise of making creative work, belongs to the scope of protection of the invention.
A kind of bar-shaped additive simulating test device of coal-bed flooding provided by the invention, including：Motor test pump 1, mould
Plan filling pipe 2, water tank 3, support frame 4, the first high-pressure rubber pipe 5, the second high-pressure rubber pipe 6 and surface and interface tensiometer, described first
The left end of high-pressure rubber pipe 5 is connected with the water side of motor test pump 1, and the right-hand member of the first high-pressure rubber pipe 5 passes through ring flange 10 and mould
Intend the left end connection of filling pipe 2, the right-hand member for simulating filling pipe 2 is connected by the left end of the high-pressure rubber pipe 6 of ring flange 10 and second
Connect, the right-hand member of the second high-pressure rubber pipe 6 is located in water tank 3, and the simulation filling pipe 2 is fixedly connected with support frame 4, and support 4 is
Triangular support bracket；Valve 7 is equipped with the high-pressure rubber pipe 6 of first high-pressure rubber pipe 5 and second, is also set on the second high-pressure rubber pipe 6
There is flowmeter 8, simulation filling pipe 2 is provided with manograph 9, and the bottom of simulation filling pipe 2 is placed with bar-shaped additive,
Bar-shaped additive is placed at 1/3 to 2/3 length of simulation filling pipe 2, motor test pump 1 and power electric connection.
The bar-shaped additive of solid-state is molten under the conditions of the simulating test device of the present invention can test different hydraulic pressure, different water flows
Performance is solved, is determined by solution surface tension, further optimizes the formula of additive, to realize the table that can largely reduce water
The bar-shaped additive of coal-bed flooding of face tension force and slow mechanism dissolved, it is the offer supports such as the dust-proof, gas prevention of live coal-bed flooding.
Embodiment 1
A kind of coal-bed flooding is as follows with bar-shaped additive analog detection method, step：
S1. the 200g prepared bar-shaped additive is put into simulation water injecting pipeline 2, will simulation water injecting pipeline 2 and the
One high-pressure rubber pipe 5 and the connection fastening of the second high-pressure rubber pipe 6；
S2. by the water tank internal memory full water of motor test pump 1, the water injection pressure of motor test pump 1 is set as 1MPa；
S3. valve 7 is opened, opens motor test pump 1, starts water filling simulated experiment, is controlled by valve 7 and enters simulation note
The intake pressure of waterpipe 2 and the solution come out from simulation filling pipe 2 go out flow quantity, and intake pressure passes through manograph
9 records, go out flow quantity and are shown by flowmeter 8；
S4. at interval of 30min, from water tank extracting aqueous solution, the table of FTA200 surface and interfaces tensiometer measure solution is utilized
Face Tensity size, analyze the solubility property of bar-shaped additive；
S5. the size of water injection pressure, intake pressure and water flow, the operation for the S1-S4 that repeats the above steps are adjusted.
Embodiment 2
A kind of coal-bed flooding is as follows with bar-shaped additive analog detection method, step：
S1. the 500g prepared bar-shaped additive is put into simulation water injecting pipeline 2, will simulation water injecting pipeline 2 and the
One high-pressure rubber pipe 5 and the connection fastening of the second high-pressure rubber pipe 6；
S2. by the water tank internal memory full water of motor test pump 1, the water injection pressure of motor test pump 1 is set as 20MPa；
S3. valve 7 is opened, opens motor test pump 1, starts water filling simulated experiment, is controlled by valve 7 and enters simulation note
The intake pressure of waterpipe 2 and the solution come out from simulation filling pipe 2 go out flow quantity, and intake pressure passes through manograph
9 records, go out flow quantity and are shown by flowmeter 8；
S4. at interval of 60min, from water tank extracting aqueous solution, the table of FTA200 surface and interfaces tensiometer measure solution is utilized
Face Tensity size, analyze the solubility property of bar-shaped additive；
S5. the size of water injection pressure, intake pressure and water flow, the operation for the S1-S4 that repeats the above steps are adjusted.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (5)
- A kind of 1. bar-shaped additive simulating test device of coal-bed flooding, it is characterised in that including：Motor test pump (1), simulation Filling pipe (2), water tank (3), support frame (4), the first high-pressure rubber pipe (5), the second high-pressure rubber pipe (6) and surface and interface tensiometer, The left end of first high-pressure rubber pipe (5) is connected with the water side of motor test pump (1), and the right-hand member of the first high-pressure rubber pipe (5) leads to Cross ring flange (10) and be connected with simulating the left end of filling pipe (2), the right-hand member of simulation filling pipe (2) by ring flange (10) and The left end connection of second high-pressure rubber pipe (6), the right-hand member of the second high-pressure rubber pipe (6) are located in water tank (3), the simulation filling pipe (2) it is fixedly connected with support frame (4)；Valve (7) is equipped with first high-pressure rubber pipe (5) and the second high-pressure rubber pipe (6), the Flowmeter (8) is additionally provided with two high-pressure rubber pipes (6), simulation filling pipe (2) is provided with manograph (9), motor test pump And power electric connection (1).
- A kind of 2. bar-shaped additive simulating test device of coal-bed flooding as claimed in claim 1, it is characterised in that the branch Support (4) is triangular support bracket.
- A kind of 3. bar-shaped additive simulating test device of coal-bed flooding as claimed in claim 1, it is characterised in that the mould The bottom for intending filling pipe (2) is placed with bar-shaped additive, and bar-shaped additive is placed on 1/3 to the 2/3 of simulation filling pipe (2) At length.
- 4. the bar-shaped additive analog detection method of a kind of coal-bed flooding, it is characterised in that step is as follows：S1. the bar-shaped additive prepared is put into simulation water injecting pipeline (2), by simulation water injecting pipeline (2) and the first high pressure Sebific duct (5) and the second high-pressure rubber pipe (6) connection fastening；S2. by the water tank internal memory full water of motor test pump (1), the water injection pressure of setting motor test pump (1)；S3. valve (7) is opened, opens motor test pump (1), starts water filling simulated experiment, is controlled by valve (7) and enters simulation The intake pressure of filling pipe (2) and the solution come out from simulation filling pipe (2) go out flow quantity, and intake pressure passes through pressure Recorder (9) records, and goes out flow quantity and is shown by flowmeter (8)；S4. at interval of 30-60min, from water tank extracting aqueous solution, the surface of FTA200 surface and interfaces tensiometer measure solution is utilized Tensity size, analyze the solubility property of bar-shaped additive；S5. the size of water injection pressure, intake pressure and water flow, the operation for the S1-S4 that repeats the above steps are adjusted.
- A kind of 5. bar-shaped additive analog detection method of coal-bed flooding as claimed in claim 4, it is characterised in that the step In rapid S2, water injection pressure is set as 1~20MPa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946842.XA CN107677776A (en) | 2017-10-12 | 2017-10-12 | A kind of coal-bed flooding bar-shaped additive simulating test device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710946842.XA CN107677776A (en) | 2017-10-12 | 2017-10-12 | A kind of coal-bed flooding bar-shaped additive simulating test device and method |
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| Publication Number | Publication Date |
|---|---|
| CN107677776A true CN107677776A (en) | 2018-02-09 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201710946842.XA Pending CN107677776A (en) | 2017-10-12 | 2017-10-12 | A kind of coal-bed flooding bar-shaped additive simulating test device and method |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203479631U (en) * | 2013-08-15 | 2014-03-12 | 南京钢铁股份有限公司 | Pressure testing device for metal hose |
| CN103728180A (en) * | 2013-06-27 | 2014-04-16 | 四川海普流体技术有限公司 | Integrated pressure test equipment convenient to use |
| CN106226198A (en) * | 2016-08-19 | 2016-12-14 | 中国石油集团渤海钻探工程有限公司 | Indoor evaluation device for slow-release solid dissolution performance |
-
2017
- 2017-10-12 CN CN201710946842.XA patent/CN107677776A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103728180A (en) * | 2013-06-27 | 2014-04-16 | 四川海普流体技术有限公司 | Integrated pressure test equipment convenient to use |
| CN203479631U (en) * | 2013-08-15 | 2014-03-12 | 南京钢铁股份有限公司 | Pressure testing device for metal hose |
| CN106226198A (en) * | 2016-08-19 | 2016-12-14 | 中国石油集团渤海钻探工程有限公司 | Indoor evaluation device for slow-release solid dissolution performance |
Non-Patent Citations (1)
| Title |
|---|
| 刘祥龙等: "煤层注水用固态棒状添加剂实验研究", 《煤矿安全》 * |
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Application publication date: 20180209 |
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