CN105241502A - Gas parameter measuring device for water-containing coal seam through dynamic balance method - Google Patents
Gas parameter measuring device for water-containing coal seam through dynamic balance method Download PDFInfo
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- CN105241502A CN105241502A CN201510661982.3A CN201510661982A CN105241502A CN 105241502 A CN105241502 A CN 105241502A CN 201510661982 A CN201510661982 A CN 201510661982A CN 105241502 A CN105241502 A CN 105241502A
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Abstract
A gas parameter measuring device for a water-containing coal seam through a dynamic balance method includes a fixing device, a water volume balancing device, a gas processing device, and a water, gas and coal layered device. The gas parameter measuring device is suitable for measuring the boring gas emission amount and the gas pressure and also for collecting gas on-site, and can test index data of a water-containing coal seam in an effective, safe and accurate manner. The device can directly measure the gas emission amount of a water-containing coal seam and the boring gas pressure of a water-containing coal seam with no need of a new method for measuring boring data of a water-containing coal seam. The gas parameter measuring device has a simple structure, is convenient and effective, needs no complex electronic monitoring equipment, provides an accurate measuring result, is convenient to operate, and exhibits a high safety coefficient.
Description
Technical field
The present invention relates to the moisture coal-bed gas parametric measurement device of a kind of running balancing, a kind of by balancing drilling water yield and water discharge specifically, thus measure the device of drilling gas pressure and drilling gas outburst amount, bore flooding quantity.
Background technology
Current moisture coal bed drilling Gas explosion burns measures the very large impact being subject to boring water burst, particularly moisture projecting coal bed, and it is not high that Gas explosion burns measures accuracy.Therefore, accurate, safe mensuration coal-bed gas pressure and gas flowing in coal layer, these index parameters of bore flooding quantity, for realizing, moisture projecting coal bed safety in production is significant.If but after coal bed drilling sealing of hole, directly use tensimeter measuring pressure, survey data owing to being subject to the impact of water burst pressure thus losing accuracy.Because the affect coal bed drilling gas emission of water on gas volume is also not easy to measure.Although some devices of forefathers achieve gas, water is separated, but and the interference that measures gas parameter of unresolved water, and reckon without the water volume pouring in boring when increasing, the gas volume in boring can be compressed, gaseous tension can become large, and the result surveyed is incorrect.Add more existing device operation more complicated, higher and do not consider and solve the impact of hydraulic pressure on gas parameter measurement result on workman's technical requirement, and all thoroughly solution hydraulic pressure on the impact of gas pressure measurement result.Be rich in water testing device for gas flow from boreholes can measure wrong in following three kinds of situations as CN202057373U disclose one:
If 1. institute's drilling is inclined upwardly, coal seam pours in the water meeting fluid-tight part gas of boring, makes gas by water diffusion barrier, cause surveyed gas pressure inaccurate;
2. be rich in water coal seam to gush out and mostly be black water, water diffusion barrier blocked, affecting gas by causing surveyed gas pressure inaccurate;
3. the uncontrollable water yield and the discharge water balance pouring in boring, when pouring in the boring water yield and being greater than the discharge water yield, because water volume increase causes interior pressure increase of holing, thus make to be rich in and be not easy to be discharged in boring at the gas in coal seam, cause surveyed gas pressure inaccurate;
In order to address these problems, design the moisture coal-bed gas parametric measurement device of running balancing, this device, by the impact of water on gas volume of using the good solution of running balancing to enter boring, comparatively comprehensively solves the impact of water on moisture determination of coal seam gas pressure.
Summary of the invention
Goal of the invention of the present invention is to overcome the deficiency of background technology and provides one can overcome down-hole coal bed, rock stratum water burst etc. to dislike slightly condition, provide a kind of theoretical simple, structure is simple, simple to operate, measure moisture coal bed drilling Gas explosion burns determinator accurately.
The present invention adopts following technical scheme:
The moisture coal-bed gas parametric measurement device of a kind of running balancing, comprise: interchangeable docking facilities, be docked on borehole casing, different bore can be docked, the borehole casing interface of various criterion, and with coal slime process chamber, slurry pond is combined to form water, gas, coal layering chamber, attended operation case afterwards, gas outlet is imported from top to bottom to control box from coal slime process chamber, liquid level inditron, drainpipe, between each pipe and coal slime process chamber, preventing water leakage gum cover is all housed, drainpipe is equipped with draining valve successively, permanent flow valve, electronic flow-meter, gas outlet is divided into inner and outer tubes, inner tube head connects an angular adjustment joint, gas outlet inner spout upper design plasticity block water plate, the direct Bonding pressure table of gas outlet outer tube, connect spinner-type flowmeter subsequently, connecting tee valve after spinner-type flowmeter, T-valve one end connects vacuum air bag, vacuum air bag leaves in the cavity that dividing plate surrounds, the T-valve other end is connected to gas outlet pipe, liquid level inditron is transparent toughened glass tubule, and liquid level instruction pipe valve is housed above, and with red float, fair water fin is had in coal slime process chamber, fair water fin is downward-sloping and be connected with cylindrical case, lower opening, black water is imported in slurry pond, slurry pond, in the below of whole device, has two-layer 200 orders to filter steel mesh, filters steel mesh and be fixedly mounted on fair water fin and slurry pond inwall in slurry pond, make coal slime be deposited in slurry pond, make more clear water enter each pipe, be funnel shaped below slurry pond, and be provided with mud valve, each pipe and device are all fixed in control box groove, have dividing plate each pipe and device and vacuum air bag to be separated in control box.
The moisture coal-bed gas parametric measurement device of running balancing as above, wherein, docking facilities is designed to screw thread tap changing, is furnished with various model reducing X-over.
The moisture coal-bed gas parametric measurement device of running balancing as above, wherein, in coal, gas, water stratification chamber, have coal slime fair water fin, fair water fin is downward-sloping and be connected with cylindrical case, lower opening, by black water water conservancy diversion to slurry pond, settling basin filters steel mesh built with two panels 200 order, and filtration steel mesh and level 45 ° are installed, settling basin shape is taper, and mud valve is equipped with in below.
The moisture coal-bed gas parametric measurement device of running balancing as above, wherein, liquid level inditron and permanent flow valve, electronic flow-meter pour in the water of boring and the equilibrium state getting rid of the water of holing with the use of showing coal seam.
Running balancing as above moisture coal-bed gas parametric measurement device, wherein, gas outlet inner spout upper design plasticity manger board, angular adjustment joint can regulate arbitrarily angle and the orientation of pipe in gas outlet.
The moisture coal-bed gas parametric measurement device of running balancing as above, wherein, be provided with device pickup groove in control box and each device is fixed in casing, in control box, be provided with dividing plate, dividing plate and casing surround vacuum air bag mounting groove, operating means and gas collector are separated.
Adopt the present invention of technique scheme compared with prior art, running balancing moisture coal-bed gas parametric measurement device is to the direct sample of moisture coal bed drilling gas, mensuration gas pressure, mensuration gas emission.Which solves the problem that moisture coal bed drilling Gas explosion burns measures difficulty, especially measure gas pressure and gas emission.That it adopts is convenient, determinator accurately, can measure different water cut coal bed drilling Gas explosion burns.This apparatus structure is simple, fixes, installs, debugs facility, require low to operating personnel.Water balance device adopts level instruction device and permanent flow valve, high-precision electronic flowmeter with the use of, the problem of unsolved water burst pressure influence gas parameter mensuration per capita before solving.And moisture coal bed drilling water yield can be measured.Adopt coal slime treating apparatus, eliminate the impact of coal slime on experimental provision.Adopt vacuum air bag, can methane gas be collected, avoid gas directly to enter workplace, increase the security of test.Adopt control box, make device integrated level high, space is little, easy to operate, is convenient to carrying, achieves being separated of operating means and gas collector.Adopt wireway isolation water burst direct conducting eudiometry gas pressure and gas emission more convenient than forefathers simplicity of design.Angular adjustment joint can regulate the position of wireway inner spout, under being adapted to different water yield situation, and the difference balance water level caused.
Accompanying drawing explanation
Fig. 1 is front view of the present invention.
Fig. 2 is A-A sectional drawing of the present invention.
Fig. 3 is B-B sectional drawing of the present invention.
Fig. 4 is vertical view of the present invention.
Embodiment
Below in conjunction with drawings and Examples in detail the present invention is described in detail:
The moisture coal-bed gas parametric measurement device of a kind of running balancing is by gas outlet inner spout 1, pipe 2 in gas outlet, control box 3, liquid level inditron 4, liquid level instruction pipe valve 5, gas outlet pipe valve 6, gas collection pipe valve 7, preventing water leakage gum cover 8, gas outlet outer tube 9, angular adjustment joint 10, tensimeter 11, spinner-type flowmeter 12, vacuum air bag 13, drainpipe 14, permanent flow valve 15, electronic flow-meter 16, draining pipe valve 17, float 18, mud valve 19, weather board 20, filter steel mesh 21, slurry pond 22, dividing plate 23, interchangeable open joint 24 forms.The moisture coal-bed gas parametric measurement device of running balancing, adopts interchangeable docking facilities, coal slime treating apparatus, water balance device, gas treatment equipment, control box.。Interchangeable docking facilities can realize bore different from scene, the borehole casing joint docking of various criterion.Coal slime treating apparatus can be separated the coal slime in boring, plays the effect of protective device.Water balance device by permanent flow valve 15 be connected to high-precision electronic flowmeter 16 and and liquid level inditron 4 jointly form.Can realize holes pours in the water yield and the balance of discharging the water yield, thus the impact that eliminating water measures gas parameter.Gas treatment equipment is formed by connecting by pipe in gas outlet 2, angular adjustment joint 10, gas outlet outer tube 9, tensimeter 11, spinner-type flowmeter 12, vacuum air bag 13, gas outlet pipe etc.Achieve the mensuration to gas parameter, the mensuration to bore flooding quantity and the collection to gas sample.Gas outlet inner spout 1 upper design plasticity manger board, angular adjustment joint 10 can regulate arbitrarily angle and the orientation of pipe in gas outlet.Vacuum air bag 13 can collect gas without under pressure condition.Adopt water, gas, coal treating apparatus, this device is made up of coal slime process chamber, slurry pond 22.Can realize the water conservancy diversion of black water and the separation realizing coal, gas, water.Each interface tube all adopts preventing water leakage gum cover 8, and anti-sealing is revealed.Control box is made up of each device pickup groove and dividing plate, realizes being separated the integrated fixing of each device and operating means and gas collector.
Moisture coal bed drilling Gas quantitative determination: step one, according to bore flooding quantity adjusting angle adjusting joint 10, make water level lower than draft tube inner spout 1, select to dock with the open joint 24 that borehole casing matches, open liquid level instruction pipe valve 5, draining pipe valve 17, gas collection pipe valve 7, close gas outlet pipe valve 6, regulate permanent flow valve 15 size, make liquid level indicate the float 18 of pipe valve 5 to be in certain position motionless, now pour in the boring water yield and equal to discharge the water yield (getting rid of the impact of water on gas gas volume in boring).Read the registration of spinner-type flowmeter 12, repeatedly average M, M are moisture gas flowing in coal layer.
Moisture coal bed drilling gas pressure measurement: step one, according to bore flooding quantity adjusting angle adjusting joint 10, make water level lower than draft tube inner spout 1, select to dock with the open joint 24 that borehole casing matches, open liquid level instruction pipe valve 5, draining pipe valve 17, gas collection pipe valve 7, close gas outlet pipe valve 6, regulate permanent flow valve 15 size, make liquid level indicate the float 18 of pipe valve 5 to be in certain position motionless, now pour in the boring water yield and equal to discharge the water yield (getting rid of the impact of water on gas gas volume in boring).Now, gas outlet pipe valve 6, gas collection pipe valve 7, liquid level instruction pipe valve 5 is closed.Read the registration P of tensimeter 11 after certain hour, P is hole, moisture coal seam gas pressure.
Moisture coal bed drilling water yield measures: step one, according to bore flooding quantity adjusting angle adjusting joint 10, make water level lower than draft tube inner spout 1, select to dock with the open joint 24 that borehole casing matches, open liquid level instruction pipe valve 5, draining pipe valve 17, gas collection pipe valve 7, close gas outlet pipe valve 6, regulate permanent flow valve 15 size, make liquid level indicate the float 18 of pipe valve 5 to be in certain position motionless, now pour in the boring water yield and equal to discharge the water yield (getting rid of the impact of water on gas gas volume in boring).Now, read the registration Q of electronic flow-meter 16, Q is moisture coal bed drilling water yield.
Note: when after plant running certain hour, can slowly open mud valve 19 discharge coal slime arrange coal slime water cut should be lower, when coal slime water cut is higher close mud valve 19.
Claims (6)
1. the moisture coal-bed gas parametric measurement device of running balancing, comprise: interchangeable docking facilities, be docked on borehole casing, different bore can be docked, the borehole casing interface of various criterion, and with coal slime process chamber, slurry pond is combined to form water, gas, coal layering chamber, attended operation case afterwards, gas outlet is imported from top to bottom to control box from coal slime process chamber, liquid level inditron, drainpipe, between each pipe and coal slime process chamber, preventing water leakage gum cover is all housed, drainpipe is equipped with draining valve successively, permanent flow valve, electronic flow-meter, gas outlet is divided into inner and outer tubes, inner tube head connects an angular adjustment joint, gas outlet inner spout upper design plasticity block water plate, the direct Bonding pressure table of gas outlet outer tube, connect spinner-type flowmeter subsequently, connecting tee valve after spinner-type flowmeter, T-valve one end connects vacuum air bag, vacuum air bag leaves in the cavity that dividing plate surrounds, the T-valve other end is connected to gas outlet pipe, liquid level inditron is transparent toughened glass tubule, and liquid level instruction pipe valve is housed above, and with red float, fair water fin is had in coal slime process chamber, fair water fin is downward-sloping and be connected with cylindrical case, lower opening, black water is imported in slurry pond, slurry pond, in the below of whole device, has two-layer 200 orders to filter steel mesh, filters steel mesh and be fixedly mounted on fair water fin and slurry pond inwall in slurry pond, make coal slime be deposited in slurry pond, make more clear water enter each pipe, be funnel shaped below slurry pond, and be provided with mud valve, each pipe and device are all fixed in control box groove, have dividing plate each pipe and device and vacuum air bag to be separated in control box.
2. the moisture coal-bed gas parametric measurement device of running balancing according to claim 1, is characterized in that: docking facilities is designed to screw thread tap changing, is furnished with the X-over of various model reducing.
3. the moisture coal-bed gas parametric measurement device of running balancing according to claim 1, it is characterized in that: in coal, gas, water stratification chamber, there is coal slime fair water fin, fair water fin is downward-sloping and be connected with cylindrical case, lower opening, by black water water conservancy diversion to slurry pond, settling basin filters steel mesh built with two panels 200 order, filtration steel mesh and level 45 ° are installed, and settling basin shape is taper, and mud valve is equipped with in below.
4. the moisture coal-bed gas parametric measurement device of running balancing according to claim 1, is characterized in that: liquid level inditron and permanent flow valve, electronic flow-meter pour in the water of boring and the equilibrium state getting rid of the water of holing with the use of showing coal seam.
5. the moisture coal-bed gas parametric measurement device of running balancing according to claim 1, is characterized in that: gas outlet inner spout upper design plasticity manger board, angular adjustment joint can regulate arbitrarily angle and the orientation of pipe in gas outlet.
6. the moisture coal-bed gas parametric measurement device of running balancing according to claim 1, it is characterized in that: be provided with device pickup groove in control box and each device is fixed in casing, dividing plate is provided with in control box, dividing plate and casing surround vacuum air bag mounting groove, operating means and gas collector are separated.
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| CN201510661982.3A CN105241502B (en) | 2015-10-15 | 2015-10-15 | The aqueous coal-bed gas parametric measurement device of running balancing |
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| CN201510661982.3A CN105241502B (en) | 2015-10-15 | 2015-10-15 | The aqueous coal-bed gas parametric measurement device of running balancing |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107524435A (en) * | 2017-10-09 | 2017-12-29 | 开滦(集团)有限责任公司技术中心 | Aqueous determination of coal seam gas pressure device and assay method |
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