CN105334083A - Positive-pressure acquisition apparatus for trace gas on coal-mine working face and acquisition method thereof - Google Patents
Positive-pressure acquisition apparatus for trace gas on coal-mine working face and acquisition method thereof Download PDFInfo
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- 238000000034 method Methods 0.000 title claims abstract description 28
- 238000005070 sampling Methods 0.000 claims abstract description 155
- 238000005553 drilling Methods 0.000 claims abstract description 60
- 239000003245 coal Substances 0.000 claims abstract description 54
- 238000004806 packaging method and process Methods 0.000 claims abstract description 15
- 238000002955 isolation Methods 0.000 claims abstract description 13
- 238000012544 monitoring process Methods 0.000 claims abstract description 3
- 239000002817 coal dust Substances 0.000 claims description 52
- 238000001914 filtration Methods 0.000 claims description 31
- 238000000605 extraction Methods 0.000 claims description 23
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 239000011148 porous material Substances 0.000 claims description 16
- 125000006850 spacer group Chemical group 0.000 claims description 11
- 238000011084 recovery Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000000926 separation method Methods 0.000 abstract 3
- 239000000843 powder Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 83
- 230000008569 process Effects 0.000 description 13
- 238000003915 air pollution Methods 0.000 description 7
- 239000002689 soil Substances 0.000 description 6
- 230000008901 benefit Effects 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 4
- 238000007789 sealing Methods 0.000 description 4
- 238000011010 flushing procedure Methods 0.000 description 3
- 239000012535 impurity Substances 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000001514 detection method Methods 0.000 description 2
- 238000005538 encapsulation Methods 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 238000000862 absorption spectrum Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000019771 cognition Effects 0.000 description 1
- 238000010835 comparative analysis Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000034994 death Effects 0.000 description 1
- 231100000517 death Toxicity 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000004880 explosion Methods 0.000 description 1
- 238000013467 fragmentation Methods 0.000 description 1
- 238000006062 fragmentation reaction Methods 0.000 description 1
- 239000005431 greenhouse gas Substances 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000002680 soil gas Substances 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000005945 translocation Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N1/00—Sampling; Preparing specimens for investigation
- G01N1/02—Devices for withdrawing samples
- G01N1/22—Devices for withdrawing samples in the gaseous state
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Abstract
本发明公开了一种煤矿工作面痕量气体正压采集装置及其采集方法，涉及痕量气体监测技术领域，包括液压钻机钻采装置，液压钻机钻采装置连接有痕量气体和煤粉分离回收装置，痕量气体和煤粉分离回收装置连接有正负压采样封装装置，正负压采样封装装置连接有正压保持和隔离装置；本发明具有采样样本为痕量气体、工序简单，可以方便的测量钻采的深度，可以实现煤粉和样品气体的分离，可以通过自动和手动两种方式保证样品气体不受空气污染和可以回收煤粉的优点。
The invention discloses a trace gas positive pressure collection device and a collection method of a coal mine working face, and relates to the technical field of trace gas monitoring, including a hydraulic drilling rig drilling and production device, which is connected with trace gas and pulverized coal separation The recovery device, the separation and recovery device for trace gas and coal powder is connected with a positive and negative pressure sampling and packaging device, and the positive and negative pressure sampling and packaging device is connected with a positive pressure maintenance and isolation device; It is convenient to measure the drilling depth, realize the separation of pulverized coal and sample gas, and ensure that the sample gas is not polluted by air and can recover pulverized coal through automatic and manual methods.
Description
Technical field
The present invention relates to trace Fe technical field, be specifically related to a kind of coal mine work area trace gas malleation harvester and acquisition method thereof.
Background technology
Coal and gas prominent is one of disaster having a strong impact on Safety of Coal Mine Production, the gas of unexpected ejection and coal dust can be full of the tunnel of thousands of meters, cause personnel in the pit's injures and deaths, and can fire hazard and explosion accident, the danger of coal and gas prominent, the safety that the moment threatens coal production is carried out.
In the process of long campaigns gas outbursts Prediction research, find that the change of He, Ar content in coal seam can reflect the stress state in coal seam.There will be the obvious transmitting of He value at extending stress band, then there will be the obvious transmitting of Ar in decline of pressure district.The change of He and Ar can react the STRESS VARIATION in coal seam, the obvious emitting area of He, and stress of coal seam is large, and have larger outburst danger, the complete release in coal seam has been reacted in the transmitting of corresponding Ar, does not substantially have outburst danger.He and Ar can form a pair data group, as the warning index of coal and gas prominent, for outstanding preventing and controlling provide a kind of new means.
When using trace gas prediction coal and gas prominent danger, how in real time, accurately the trace gas of sampling in coal seam be can the key of success prediction coal and gas prominent.Existing sample mode adopts rig to hole to coal seam, and then the coal body sample at thief coal layer depth place, is encapsulated in the sample pot of sealing, takes aboveground laboratory to and carries out fragmentation and detection.
Following shortcoming is there is: 1, cannot ensure the real-time of sampling, the whole sampling process cycle is long in sampling process; 2, be easily mixed into the impurity such as coal dust and air in sampling process, because the content of trace gas is extremely low, air be mixed into the correctness that greatly can affect testing result; 3, in sample encapsulation process, be also easily mixed into air in sample pot, not easily storage and transport, and the sample of sampling is coal cinder, needs broken extraction trace gas, complex procedures.
Therefore, those skilled in the art is devoted to develop a kind of coal mine work area trace gas malleation acquisition scheme and device, realize the sampling to trace gas in working face of coal seam, having sample is trace gas, operation is simple, sampling real-time is good, and be not easily mixed into air and impurity, positive/negative-pressure can carry out the advantage of sampling.
By patent retrieval, there is following known technical scheme:
Patent 1:
Application number: CN201020215464.1, the applying date: 2010.06.04, authorized announcement date: 2011.06.01, the utility model relates to the gas of soil diffusion in agricultural, forestry and Environmental Studies, the greenhouse gases sample collection of soil discharge, specifically a kind of synchronous acquisition device of soil profile gradient gas sample.Form primarily of annular plastic column, PVC gas collecting pipe and different parameters sensor.Above annular plastic column, different gradient is set and contains porous (the utility model is for two holes) in same gradient, one of them hole connects the PVC gas collecting pipe identical with its diameter, another hole connects different parameters sensor, when gathering gas, open the valve of PVC gas collecting pipe upper end, gather soil gas sample by syringe.Different parameters sensor can be used for the parameter such as temperature, moisture, humidity measuring this gradient soil.This device is imbedded in different soil, to realize the advantage of multiple soil body, multiple gradient synchro measure, comparative analysis.
Patent 2:
Application number: 201410108054.X, the applying date: 2014.03.21, authorized announcement date: 2014.06.11, a kind of coupling gas circuit of trace gas integrated detector, belongs to gas sensor/detector technology field.Comprise an enricher, a micro-compliant mechanism, gas sensor, two air pumps and a T-valve, and utilize a circuit board to control the duty of all parts; Wherein, enricher, T-valve, micro-compliant mechanism, gas sensor and air pump 2 is connected successively, forms main gas circuit, punishes out a gas circuit be simultaneously connected with air pump 1 at T-valve, the speed of evacuation of air pump 1 is greater than the speed of evacuation of air pump 2, and the caliber of a gas circuit is greater than the caliber of main gas circuit.The present invention, according to the different demands to gas flow when enricher in trace gas integrated detector and chromatogram work, devises main, two gas circuits, and utilizes T-valve conversion, have structure simple, be easy to the feature realized.
Found by above retrieval, above technical scheme does not affect novelty of the present invention; And the mutual combination of above patent document does not destroy creativeness of the present invention.
Summary of the invention
(1) technical matters solved
Technical matters to be solved by this invention there is provided a kind of coal mine work area trace gas malleation harvester and acquisition method thereof, to overcome the real-time that prior art cannot ensure to sample, the whole sampling process cycle is long, easily the impurity such as coal dust and air is mixed in sampling process, greatly affect the correctness of testing result, in sample encapsulation process, in sample pot, be also easily mixed into air, not easily the problem of storage and transport.
(2) technical scheme
For realizing above object, the present invention is achieved by the following technical programs: a kind of coal mine work area trace gas malleation harvester, comprise hydrodrill drilling device (1), described hydrodrill drilling device (1) is connected with trace gas and coal dust separating and reclaiming device (2), described trace gas and coal dust separating and reclaiming device (2) are connected with positive/negative-pressure sampling packaging system (3), and described positive/negative-pressure sampling packaging system (3) is connected with malleation and keeps and spacer assembly (4).
Further, described hydrodrill drilling device (1) comprises drill bit (101), drilling rod (102) and rig, described drilling rod (102) is connected with drill bit (101), and described drilling rod (102) is provided with electromagnet (103) and interface; Interface on drilling rod (102) is used for being connected with coal dust separating and reclaiming device (2) with trace gas, described drilling rod (102) is embedded with the electromagnet (103) of equidistant interval 10cm, the number of described electromagnet is no less than two; By counting to electromagnet (103) degree of depth calculating drilling during use, the magnitude setting drilling degree of depth on the estimation of electromagnet (103) adjusts.
Further, described trace gas and coal dust separating and reclaiming device (2) comprise isolated by filtration sieve (201) and coal dust collection box (202), the interface that described isolated by filtration sieve (201) is provided with by drilling rod (102) is connected with drilling rod (102), and described isolated by filtration sieve (201) is connected with coal dust collection box (202); Trace gas is separated with coal dust by isolated by filtration sieve (201), and coal dust falls into coal dust collection box (202), and trace gas enters in isolated by filtration sieve (201).
Further, described isolated by filtration sieve (201) comprises outer wall (2011), inwall (2012) and pulverized-coal filtering sorting hole (2013), described isolated by filtration hole (2013) is upper by triangular arranged at inwall (2012); Trace gas is excessive to outer wall (2011) and inwall (2012) from isolated by filtration hole (2013), and is sent in positive/negative-pressure sampling packaging system (3).
Further, described coal dust collection box (202) is provided with collection box view window (203); Observe the collection situation of coal dust coal dust collection box (202) from collection box view window (203) during use.
Further, described positive/negative-pressure sampling packaging system (3) comprises collection pipeline (301), collection tube air intake valve (302), collection tube is given vent to anger valve (303), sampling air chamber one (304), sampling air chamber two (305), sampling air chamber air intake valve one (306), sampling air chamber is given vent to anger valve one (307), sampling air chamber air intake valve two (308), sampling air chamber is given vent to anger valve two (309), manual collection pump one (310) and manually collection pump two (311), described collection pipeline (301) is sieved (201) by collection tube air intake valve (302) with isolated by filtration and is connected, keep being connected with spacer assembly (4) with malleation by collection tube valve (303) of giving vent to anger, described sampling air chamber one (304) is connected with collection pipeline (301) with sampling air chamber air intake valve two (308) respectively by sampling air chamber air intake valve one (306) with sampling air chamber two (305), tie point is positioned at described collection tube air intake valve (302) and collection tube is given vent to anger between valve (303), described sampling air chamber one (304) is connected with manually is gathered pump one (310) by sampling air chamber valve one (307) of giving vent to anger, and described sampling air chamber two (305) is connected with manually collection pump two (311) by sampling air chamber valve two (309) of giving vent to anger, sampling air chamber adopts double valve to control, open sampling air chamber air intake valve and sampling air chamber to give vent to anger valve simultaneously, allow sample gas pass through sampling air chamber repeatedly rinse, can drain sampling air chamber in original air, ensure sample gas not by air pollution, manual collection pump is when gathering pipeline pressure and being less, and manual withdrawal sample gas rinses repeatedly to sampling air chamber, ensures sample gas not by air pollution.
Further, described manual collection pump one (310) comprises pull bar one (3101), piston one (3102), air exhaust nozzle one (3103), unidirectional pore one (3104) and extraction valve one (3105), described extraction valve one (3105) by sampling air chamber give vent to anger valve one (307) be connected with sampling air chamber one (304), described extraction valve one (3105) top is provided with pull bar one (3101), bottom is provided with air exhaust nozzle one (3103) and unidirectional pore one (3104), described pull bar one (3101) is connected with piston one (3102), described manual collection pump two (311) comprises pull bar two (3111), piston two (3112), air exhaust nozzle two (3113), unidirectional pore two (3114) and extraction valve two (3115), described extraction valve two (3115) by sampling air chamber give vent to anger valve two (309) be connected with sampling air chamber two (305), described extraction valve two (3115) top is provided with pull bar two (3111), bottom is provided with air exhaust nozzle two (3113) and unidirectional pore two (3114), and described pull bar two (3111) is connected with piston two (3112), described air exhaust nozzle one (3103) and air exhaust nozzle two (3113) are unidirectional, can only air inlet and can not giving vent to anger, described unidirectional pore one (3104) and unidirectional pore two (3114) are unidirectional, can only to give vent to anger and can not air inlet, ensure that the uniflux of extraction valve one (3105) and the interior air-flow of extraction valve two (3115), thus guarantee developing result, make sample gas not by air pollution.
Further, described malleation keeps and spacer assembly (4) comprises tensimeter (401), collection tube drain tap (402) and pressure keep and isolation water tank (403), described pressure keeps being connected with collection pipeline (301) by collection tube drain tap (402) with isolation water tank (403), and the upper collection tube of described collection pipeline (301) is given vent to anger between valve (303) and collection tube drain tap (402) and is provided with tensimeter (401); Pressure keeps and fills water in isolation water tank (403), gather pipeline (301) and reach below surface level, both can carry out sealing to collection pipeline (301) and keep pipeline gaseous tension, coal dust that again can be remaining in gas recovery, observes the pressure condition gathered in pipeline (301) by tensimeter (401) during use.
Further, described pressure keeps and isolates water tank (403) being provided with water tank viewport (404); Observe pressure by water tank viewport (404) during use to keep and isolation water tank (403) interior situation.
Further, a kind of coal mine work area trace gas malleation acquisition method, comprises the following steps:
1) drill bit (101) that hydrodrill drilling device (1) adopts drill control to be connected on drilling rod (102) comes drilling coal seam (5), and by counting to electromagnet (103) degree of depth calculating drilling;
2) recovering state of coal dust in coal dust collection box (202) is observed by collection box view window (203);
3) open the collection pipeline air intake valve (302) gathered on pipeline (301), collection tube says air valve (303) and collection tube drain tap (402), gathered the pressure state of pipeline (301) by tensimeter (401) monitoring;
4) open sampling air chamber air intake valve one (306), valve one (307) given vent to anger by sampling air chamber, valve two (309) given vent to anger by sampling air chamber air intake valve two (308) and air chamber of sampling, by tensimeter (401) detected pressures state, when pressure is less, uses manually to gather pump one (310) and manually gather pump two (311) and repeatedly extract;
5) close give vent to anger valve one (307) and air chamber of sampling of sampling air chamber to give vent to anger valve two (309), Deng closing sampling air chamber air intake valve one (306) and sampling air chamber air intake valve two (308) behind a period of time interval again, obtain the sample gas in sampling air chamber one (304) and sampling air chamber two (305).
(3) beneficial effect
The invention provides a kind of coal mine work area trace gas malleation harvester and acquisition method thereof, have the following advantages:
1, hydrodrill drilling system adopts on the drilling rod of rig and equidistantly electromagnet is housed, and by the detection to electromagnet, can measure the degree of depth of drilling very easily, know the actual samples coordinate of sample gas;
2, coal dust piece-rate system adopts bilayer sleeve, inwall there is the pulverized-coal filtering sorting hole that equilateral triangle distributes, coal dust in inwall due to Action of Gravity Field, freely falling body is to coal dust collection box, sample gas in inwall is due to pressure, excessive between inner and outer wall by pulverized-coal filtering sorting hole, achieve being separated of coal dust and sample gas;
3, air chamber of sampling adopts double valve to control, open sampling air chamber air intake valve and sampling air chamber to give vent to anger valve simultaneously, allow sample gas pass through sampling air chamber repeatedly rinse, can drain sampling air chamber in original air, ensure sample gas not by air pollution, the structural design of sampling air chamber ellipse, more allows in flushing process without dead angle remnants;
4, the design of pump is manually gathered, can when gathering pipeline pressure and being less, manual withdrawal sample gas rinses repeatedly to sampling air chamber, ensures sample gas not by air pollution;
5, pressure keeps and fills water in isolation water tank, gathers pipeline and reaches below surface level, both can carry out sealing maintenance pipeline gaseous tension to collection pipeline, coal dust that again can be remaining in gas recovery.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of hydrodrill drilling device of the present invention;
Fig. 3 is the structural representation of isolated by filtration of the present invention sieve;
Fig. 4 is the structural representation of positive/negative-pressure of the present invention sampling packaging system;
Fig. 5 is that the present invention manually gathers pump one and manually gathers the structural representation of pump two;
Fig. 6 is the structural representation of malleation of the present invention maintenance and spacer assembly.
In figure:
1, hydrodrill drilling device; 101, drill bit; 102, drilling rod; 103, electromagnet; 2, trace gas and coal dust separating and reclaiming device; 201, isolated by filtration sieve; 2011, outer wall; 2012, inwall; 2013, pulverized-coal filtering sorting hole; 202, coal dust collection box; 203, collection box view window; 3, positive/negative-pressure sampling packaging system; 301, pipeline is gathered; 302, collection tube air intake valve; 303, collection tube is given vent to anger valve; 304, sampling air chamber one; 305, sampling air chamber two; 306, sampling air chamber air intake valve one; 307, air chamber of sampling is given vent to anger valve one; 308, sampling air chamber air intake valve two; 309, air chamber of sampling is given vent to anger valve two; 310, manually pump one is gathered; 3101, pull bar one; 3102, piston one; 3103, air exhaust nozzle one; 3104, unidirectional pore one; 3105, extraction valve one; 311, manually pump two is gathered; 3111, pull bar two; 3112, piston two; 3113, air exhaust nozzle two; 3114, unidirectional pore two; 3115, extraction valve two; 4, malleation keeps and spacer assembly; 401, tensimeter; 402, collection tube drain tap; 403, pressure keeps and isolation water tank; 404, water tank viewport; 5, coal seam.
Embodiment
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
As shown in Fig. 1 ~ Fig. 6, its structural relation is: comprise hydrodrill drilling device 1, described hydrodrill drilling device 1 is connected with trace gas and coal dust separating and reclaiming device 2, described trace gas and coal dust separating and reclaiming device 2 are connected with positive/negative-pressure sampling packaging system 3, and described positive/negative-pressure sampling packaging system 3 is connected with malleation and keeps and spacer assembly 4.
Preferably, described hydrodrill drilling device 1 comprises drill bit 101, drilling rod 102 and rig, and described drilling rod 102 is connected with drill bit 101, and described drilling rod 102 is provided with electromagnet 103 and interface; Described drilling rod 102 is embedded with the electromagnet 103 of equidistant interval 10cm, the number of described electromagnet is no less than two.
Preferably, described trace gas and coal dust separating and reclaiming device 2 comprise isolated by filtration sieve 201 and coal dust collection box 202, the interface that described isolated by filtration sieve 201 is provided with by drilling rod 102 is connected with drilling rod 102, and described isolated by filtration sieve 201 is connected with coal dust collection box 202.
Preferably, described isolated by filtration sieve 201 comprises outer wall 2011, inwall 2012 and pulverized-coal filtering sorting hole 2013, and triangular arranged is pressed in described isolated by filtration hole 2013 on inwall 2012.
Preferably, described coal dust collection box 202 is provided with collection box view window 203.
Preferably, described positive/negative-pressure sampling packaging system 3 comprises collection pipeline 301, collection tube air intake valve 302, collection tube is given vent to anger valve 303, sampling air chamber 1, sampling air chamber 2 305, sampling air chamber air intake valve 1, sampling air chamber is given vent to anger valve 1, sampling air chamber air intake valve 2 308, sampling air chamber is given vent to anger valve 2 309, manual collection pump 1 and manually collection pump 2 311, described collection pipeline 301 sieves 201 by collection tube air intake valve 302 and isolated by filtration and is connected, keep being connected with spacer assembly 4 with malleation by collection tube valve 303 of giving vent to anger, described sampling air chamber 1 is connected with collection pipeline 301 with sampling air chamber air intake valve 2 308 respectively by sampling air chamber air intake valve 1 with sampling air chamber 2 305, tie point is given vent to anger between valve 303 at described collection tube air intake valve 302 and collection tube, described sampling air chamber 1 is connected with manually is gathered pump 1 by sampling air chamber valve 1 of giving vent to anger, and described sampling air chamber 2 305 is connected with manually collection pump 2 311 by sampling air chamber valve 2 309 of giving vent to anger.
Preferably, described manual collection pump 1 comprises pull bar 1, piston 1, air exhaust nozzle 1, unidirectional pore 1 and extraction valve 1, described extraction valve 1 by sampling air chamber give vent to anger valve 1 be connected with sampling air chamber 1, described extraction valve 1 top is provided with pull bar 1, bottom is provided with air exhaust nozzle 1 and unidirectional pore 1, and described pull bar 1 is connected with piston 1; Described manual collection pump 2 311 comprises pull bar 2 3111, piston 2 3112, air exhaust nozzle 2 3113, unidirectional pore 2 3114 and extraction valve 2 3115, described extraction valve 2 3115 by sampling air chamber give vent to anger valve 2 309 be connected with sampling air chamber 2 305, described extraction valve 2 3115 top is provided with pull bar 2 3111, and bottom is provided with air exhaust nozzle 2 3113 and unidirectional pore 2 3114, and described pull bar 2 3111 is connected with piston 2 3112.
Preferably, described malleation keeps and spacer assembly 4 comprises tensimeter 401, collection tube drain tap 402 and pressure keep and isolation water tank 403, described pressure keeps being connected with collection pipeline 301 by collection tube drain tap 402 with isolation water tank 403, and on described collection pipeline 301, collection tube is given vent to anger between valve 303 and collection tube drain tap 402 and is provided with tensimeter 401.
Preferably, described pressure keeps and isolates water tank 403 being provided with water tank viewport 404.
Preferably, a kind of coal mine work area trace gas malleation acquisition method, comprises the following steps:
1) drill bit 101 that hydrodrill drilling device 1 adopts drill control to be connected on drilling rod 102 comes drilling coal seam 5, and by counting the degree of depth calculating drilling to electromagnet 103;
2) recovering state of coal dust in coal dust collection box 202 is observed by collection box view window 203.
3) open the collection pipeline air intake valve 302 gathered on pipeline 301, collection tube says air valve 303 and collection tube drain tap 402, monitored the pressure state gathering pipeline 301 by tensimeter 401;
4) open give vent to anger valve 1, sampling air chamber of sampling air chamber air intake valve 1, sampling air chamber air intake valve 2 308 and sampling air chamber to give vent to anger valve 2 309, by tensimeter 401 detected pressures state, when pressure is less, uses manually to gather pump 1 and manually gather pump 2 311 and repeatedly extract;
5) close give vent to anger valve 1 and sampling air chamber of sampling air chamber to give vent to anger valve 2 309, Deng closing sampling air chamber air intake valve 1 and sampling air chamber air intake valve 2 308 behind a period of time interval again, obtain the sample gas in sampling air chamber 1 and sampling air chamber 2 305.
During concrete use, the drill bit 101 that hydrodrill drilling device 1 adopts drill control to be connected on drilling rod 102 comes drilling coal seam 5, and by counting the degree of depth calculating drilling to electromagnet 103, the coal dust of hydrodrill drilling device 1 drilling carries out being separated and reclaiming in trace gas with coal dust separating and reclaiming device 2 with trace gas, coal dust is freely fallen in coal dust collection box 202 from inwall 2012, trace gas is excessive to outer wall 2011 and inwall 2012 from pulverized-coal filtering sorting hole 2013, and be sent in positive/negative-pressure sampling packaging system 3, the collection situation of coal dust in coal dust collection box 202 can be observed by collection box view window 203, open the collection pipeline air intake valve 302 gathered on pipeline 301, collection tube says air valve 303 and collection tube drain tap 402, sample gas cognition keeps and isolates water tank 403 discharging from pressure by gathering pipeline 301, repeatedly rinse and gather pipeline 301, the inner original air of collection pipeline 301 is discharged, and keep malleation, the pressure state gathering pipeline 301 is monitored by tensimeter 401, open sampling air chamber air intake valve 1, sampling air chamber air intake valve 2 308 and sampling air chamber are given vent to anger valve 1, sampling air chamber is given vent to anger valve 2 309, sample gas is allowed to pass through sampling air chamber 1 and sampling air chamber 2 305, and sampling air chamber 1 and sampling air chamber 2 305 are rinsed repeatedly, to drain original air in sampling air chamber 1 and sampling air chamber 2 305, by tensimeter 401 detected pressures state, when pressure is less, use manually to gather pump 1 and manually gather pump 2 311 and repeatedly flushing is extracted to sampling air chamber 1 and sampling air chamber 2 305, close give vent to anger valve 1 and sampling air chamber of sampling air chamber to give vent to anger valve 2 309, allow sample gas be full of sampling air chamber 1 and sampling air chamber 2 305, obtain the sample gas in sampling air chamber 1 and sampling air chamber 2 305.
To sum up, the embodiment of the present invention has following beneficial effect, the present invention is based on the translocation system of the coal-bed gas gas of difference absorption spectrum technology double-sampling, meanwhile, also has the following advantages:
1, hydrodrill drilling system adopts on the drilling rod of rig and equidistantly electromagnet is housed, and by the technology to electromagnet, can measure the degree of depth of drilling very easily, know the actual samples coordinate of sample gas;
2, coal dust piece-rate system adopts bilayer sleeve, inwall has the pulverized-coal filtering sorting hole that equilateral triangle distributes, coal dust is due to Action of Gravity Field in inwall, and freely falling body is to coal dust collection box, sample gas transmits between the inner walls and the outer, achieves being separated of coal dust and sample gas;
3, air chamber of sampling adopts double valve to control, open sampling air chamber air intake valve and sampling air chamber to give vent to anger valve simultaneously, allow sample gas pass through sampling air chamber repeatedly rinse, can drain sampling air chamber in original air, ensure sample gas not by air pollution, the structural design of sampling air chamber ellipse, more allows in flushing process without dead angle remnants;
4, the design of pump is manually gathered, can when gathering pipeline pressure and being less, manual withdrawal sample gas rinses repeatedly to sampling air chamber, ensures sample gas not by air pollution;
5, pressure keeps and fills water in isolation water tank, gathers pipeline and reaches below surface level, both can carry out sealing maintenance pipeline gaseous tension to collection pipeline, coal dust that again can be remaining in gas recovery.
It should be noted that, in this article, the such as relational terms of first and second grades and so on is only used for an entity or operation to separate with another entity or operational zone, and not necessarily requires or imply the relation that there is any this reality between these entities or operation or sequentially.And, term " comprises ", " comprising " or its any other variant are intended to contain comprising of nonexcludability, thus make to comprise the process of a series of key element, method, article or equipment and not only comprise those key elements, but also comprise other key elements clearly do not listed, or also comprise by the intrinsic key element of this process, method, article or equipment.When not more restrictions, the key element limited by statement " comprising ... ", and be not precluded within process, method, article or the equipment comprising described key element and also there is other identical element.
Above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (10)
1. a coal mine work area trace gas malleation harvester, comprise hydrodrill drilling device (1), it is characterized in that: described hydrodrill drilling device (1) is connected with trace gas and coal dust separating and reclaiming device (2), described trace gas and coal dust separating and reclaiming device (2) are connected with positive/negative-pressure sampling packaging system (3), and described positive/negative-pressure sampling packaging system (3) is connected with malleation and keeps and spacer assembly (4).
2. a kind of coal mine work area trace gas malleation harvester according to claim 1, it is characterized in that: described hydrodrill drilling device (1) comprises drill bit (101), drilling rod (102) and rig, described drilling rod (102) is connected with drill bit (101), and described drilling rod (102) is provided with electromagnet (103) and interface; Described drilling rod (102) is embedded with the electromagnet (103) of equidistant interval 10cm, the number of described electromagnet is no less than two.
3. a kind of coal mine work area trace gas malleation harvester according to claim 1, it is characterized in that: described trace gas and coal dust separating and reclaiming device (2) comprise isolated by filtration sieve (201) and coal dust collection box (202), the interface that described isolated by filtration sieve (201) is provided with by drilling rod (102) is connected with drilling rod (102), and described isolated by filtration sieve (201) is connected with coal dust collection box (202).
4. a kind of coal mine work area trace gas malleation harvester according to claim 3, it is characterized in that: described isolated by filtration sieve (201) comprises outer wall (2011), inwall (2012) and pulverized-coal filtering sorting hole (2013), described isolated by filtration hole (2013) is upper by triangular arranged at inwall (2012).
5. a kind of coal mine work area trace gas malleation harvester according to claim 3, is characterized in that: described coal dust collection box (202) is provided with collection box view window (203).
6. a kind of coal mine work area trace gas malleation harvester according to claim 1, it is characterized in that: described positive/negative-pressure sampling packaging system (3) comprises collection pipeline (301), collection tube air intake valve (302), collection tube is given vent to anger valve (303), sampling air chamber one (304), sampling air chamber two (305), sampling air chamber air intake valve one (306), sampling air chamber is given vent to anger valve one (307), sampling air chamber air intake valve two (308), sampling air chamber is given vent to anger valve two (309), manual collection pump one (310) and manually collection pump two (311), described collection pipeline (301) is sieved (201) by collection tube air intake valve (302) with isolated by filtration and is connected, keep being connected with spacer assembly (4) with malleation by collection tube valve (303) of giving vent to anger, described sampling air chamber one (304) is connected with collection pipeline (301) with sampling air chamber air intake valve two (308) respectively by sampling air chamber air intake valve one (306) with sampling air chamber two (305), tie point is positioned at described collection tube air intake valve (302) and collection tube is given vent to anger between valve (303), described sampling air chamber one (304) is connected with manually is gathered pump one (310) by sampling air chamber valve one (307) of giving vent to anger, and described sampling air chamber two (305) is connected with manually collection pump two (311) by sampling air chamber valve two (309) of giving vent to anger.
7. a kind of coal mine work area trace gas malleation harvester according to claim 6, it is characterized in that: described manual collection pump one (310) comprises pull bar one (3101), piston one (3102), air exhaust nozzle one (3103), unidirectional pore one (3104) and extraction valve one (3105), described extraction valve one (3105) by sampling air chamber give vent to anger valve one (307) be connected with sampling air chamber one (304), described extraction valve one (3105) top is provided with pull bar one (3101), bottom is provided with air exhaust nozzle one (3103) and unidirectional pore one (3104), described pull bar one (3101) is connected with piston one (3102), described manual collection pump two (311) comprises pull bar two (3111), piston two (3112), air exhaust nozzle two (3113), unidirectional pore two (3114) and extraction valve two (3115), described extraction valve two (3115) by sampling air chamber give vent to anger valve two (309) be connected with sampling air chamber two (305), described extraction valve two (3115) top is provided with pull bar two (3111), bottom is provided with air exhaust nozzle two (3113) and unidirectional pore two (3114), and described pull bar two (3111) is connected with piston two (3112).
8. a kind of coal mine work area trace gas malleation harvester according to claim 6, it is characterized in that: described malleation keeps and spacer assembly (4) comprises tensimeter (401), collection tube drain tap (402) and pressure keep and isolation water tank (403), described pressure keeps being connected with collection pipeline (301) by collection tube drain tap (402) with isolation water tank (403), the upper collection tube of described collection pipeline (301) is given vent to anger between valve (303) and collection tube drain tap (402) and is provided with tensimeter (401).
9. a kind of coal mine work area trace gas malleation harvester according to claim 8, is characterized in that: described pressure keeps and isolation water tank (403) is provided with water tank viewport (404).
10. a coal mine work area trace gas malleation acquisition method, is characterized in that, comprise the following steps:
1) drill bit (101) that hydrodrill drilling device (1) adopts drill control to be connected on drilling rod (102) comes drilling coal seam (5), and by counting to electromagnet (103) degree of depth calculating drilling;
2) recovering state of coal dust in coal dust collection box (202) is observed by collection box view window (203);
3) open the collection pipeline air intake valve (302) gathered on pipeline (301), collection tube says air valve (303) and collection tube drain tap (402), gathered the pressure state of pipeline (301) by tensimeter (401) monitoring;
4) open give vent to anger valve one (307), air chamber of sampling of sampling air chamber air intake valve one (306), sampling air chamber air intake valve two (308) and sampling air chamber to give vent to anger valve two (309), by tensimeter (401) detected pressures state, when pressure is less, uses manually to gather pump one (310) and manually gather pump two (311) and repeatedly extract;
5) close give vent to anger valve one (307) and air chamber of sampling of sampling air chamber to give vent to anger valve two (309), Deng closing sampling air chamber air intake valve one (306) and sampling air chamber air intake valve two (308) behind a period of time interval again, obtain the sample gas in sampling air chamber one (304) and sampling air chamber two (305).
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