CN202176358U - CH4 collecting device for mine - Google Patents
CH4 collecting device for mine Download PDFInfo
- Publication number
- CN202176358U CN202176358U CN2011202740248U CN201120274024U CN202176358U CN 202176358 U CN202176358 U CN 202176358U CN 2011202740248 U CN2011202740248 U CN 2011202740248U CN 201120274024 U CN201120274024 U CN 201120274024U CN 202176358 U CN202176358 U CN 202176358U
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- gas
- gathering
- air inlet
- mine
- valve
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Abstract
The utility model relates to a CH4 collecting device for a mine, which comprises a pumping and exhausting pipeline for pumping gas in a corresponding gas holding device. The upstream of the pumping and exhausting pipeline is connected with a receiving-exhausting switching valve for conducting the corresponding gas holding device and the pumping and exhausting pipeline or the ambient environment, and the receiving-exhausting switching valve is provided with a gas inlet, a waste gas outlet for exhausting waste gas and a CH4 outlet connected with the pumping and exhausting pipeline. A gas inlet pipe for receiving the gas in the gas holding device is connected on the gas inlet, and a methane sensor for detecting the concentration of CH4 is arranged on the gas inlet pipe. The receiving-exhausting switching valve is controlled to be connected with a control device for controlling the conducting of the gas inlet and the waste gas outlet or the CH4 outlet according to the signal of the methane sensor. The CH4 collecting device for the mine increases the power consumption rate of a gas collecting device, fully utilizes the energy, increases the concentration of the collected CH4, and increases the use rate of the CH4.
Description
Technical field
The utility model relates to the mining technique field, and especially a kind of mine is used CH
4Gathering-device.
Background technology
In general, soft projecting coal bed all be to be rich in gas (main component is CH
4) the coal seam, when boring discharged work plane like the gas that produces in can not be in time boring procedure in this coal seam, will make and in drill site even tunnel, cause local gas to assemble, and brings serious hidden danger to safety in production.
In order to address the above problem; The various device of air that hold together that the gas of gushing out with the generation to boring procedure on the drilling rod is concentrated discharging that are used for being sheathed on have appearred on the market; Be that gas gathering-device when drawing out methane boring under 201020236833.5 the disclosed coal mine of Chinese patent is exactly wherein a kind of like application number; Gas gathering-device when drawing out methane boring under the said coal mine comprises a container, and the corresponding position of the front and rear wall face of said container is provided with the through hole identical with bit diameter, and the upper wall surface of container is provided with the exhaust opening that is used to draw out methane; During use; Help in the lane of the drilling direction towards drill bit of said container being fixed in the boring tapping, and drill bit passes and creeps into the coal seam after through hole on the forward and backward wall of container penetrates, and on described exhaust opening, connects the gas gathering-device; Said gas gathering-device comprises and is connected in the extraction pipeline on the said exhaust opening and is arranged at the exhaust device (like vacuum pump) on the said extraction pipeline; In the process that drill bit creeps into, the gas of gushing out at first gets into container, collects through the gas gathering-device then.
Gas gathering-device when drawing out methane boring under the above-mentioned coal mine has solved the problem of gas accumulated in the tunnel effectively; But can produce the another one problem again when adopting this method; Promptly the gas gas bearing capacities that produce also are not quite similar because the interior difference of the different same drill site of geological conditions is holed, even the gas content that same boring produces when different depth is also different.Sometimes the gas gas bearing capacity that produces is very high, has only utmost point present low gas content sometimes.If do not add the methane gas that contains that produces in the boring procedure the whole of differentiation and take away; Not only can increase the load of vacuum pump, reduce its power consumption ratio greatly, also can utilize the very big adverse effect of generation again next step gas; As diluted gas density; The Device in Gas that feasible script can be used for generating electricity can not be used for generating again can only emptying, has not only caused huge waste, also environment has been caused great destruction; Owing to not process purification of the gas of collecting, impurity such as a large amount of dust that produce in the boring procedure have further been reduced the quality of the gas of collecting by collection together in addition.
Summary of the invention
The purpose of the utility model is to provide a kind of and can selects emptying automatically or collect CH
4Mine use CH
4Gathering-device is to solve the big problem of power consumption of existing gas gathering-device.
In order to address the above problem, the mine of the utility model is used CH
4Gathering-device adopts following technical scheme: mine is used CH
4Gathering-device; Comprise and be used to aspirate the pump drainage pipeline that correspondence is held together the gas in the device of air; The upper reaches of said pump drainage pipeline are connected with the receipts rows transfer valve that is used for correspondence is held together device of air and pump drainage pipeline or surrounding environment conducting, and said receipts row transfer valve has air inlet port, be used for the waste gas outlet of discharging waste gas and be connected in the CH of said pump drainage pipeline
4Outlet is connected with the air inlet pipe that is used to receive the gas in the device of air on the said air inlet port, described air inlet pipe is provided with and detects CH
4The methane transducer of concentration, controlled being connected with of the row's of receipts transfer valve is used for according to the said air inlet port of the signal controlling of said methane transducer and said waste gas outlet or CH
4The control device of outlet conducting.
Described receipts row transfer valve is a two-position three-way valve.
Said two-position three-way valve is an electromagnetic valve.
Described two-position three-way valve is the mechanically controlled valve that is connected with drive unit, and said drive unit is controlled to be connected in said control device.
Described receipts row transfer valve is an interstage valve.
Said mine is used CH
4Gathering-device also comprises the CH that is serially connected with on the said air inlet pipe
4Purifier, said CH
4Purifier has the clean gas outlet that is communicated with the air inlet port of said receipts row transfer valve and is used for and holds together the foul smell import that device of air is connected, and described methane transducer is arranged on the described purifier.
Said purifier is the dirt gas water separation tank.
Because the mine of the utility model is used CH
4Gathering-device is provided with said receipts row transfer valve in described pump drainage line upstream, and controlled being connected with of said receipts row's transfer valve can be controlled said air inlet port and said CH according to the signal of said methane transducer
4The control device of outlet or waste gas outlet conducting therefore in the course of the work, can be received the methane concentration at row's transfer valve upper reaches through said methane transducer induction, if greater than setting value, then controls said receipts row transfer valve, makes its air inlet port and CH
4The outlet conducting, thus collect through the pump drainage pipeline, if less than setting value, then make its air inlet port and waste gas outlet conducting, waste gas is directly discharged; Both improve the power consumption ratio of gas gathering-device, made full use of energy, also increased the CH that collects
4Concentration, increased its utilization rate.
Description of drawings
Fig. 1 is that the mine of the utility model is used CH
4The structure principle chart of gathering-device embodiment 1.
The specific embodiment
The mine of the utility model is used CH
4Gathering-device embodiment 1; As shown in Figure 1, have pump drainage pipeline 1, the pump drainage pipeline is used to aspirate the gas in the device of air; The downstream of pump drainage pipeline 1 are connected with the gas collecting apparatus 2 that is used to hold gas; Its provided upstream is equipped with receives row's transfer valve, and said receipts row transfer valve adopts two-position three-way valve, two-position three-way valve 3 have be used for the corresponding air inlet port 3-1 that holds together device of air 4 connections, be used for the waste gas outlet 3-2 of discharging waste gas and be connected in said pump drainage pipeline 1 upper reaches CH
4Outlet 3-3 wherein is connected with air inlet pipe on the air inlet port of two-position three-way valve, and two-position three-way valve 3 adopts electromagnetic valve and the controlled control device 5 that is connected with; Control device 5 adopts single-chip microcomputer; The signal input part of control device 5 is connected with methane transducer 6, and methane transducer 6 adopts infrared methane sensor, and it is used to respond to the methane concentration at two-position three-way valve 3 upper reaches; If methane concentration is greater than setting value (dangerous values), then control device 5 orders about air inlet port and its CH of two-position three-way valve 3
4The outlet conducting; And then pump to gas collecting apparatus 2 through pump drainage pipeline 1 and to collect; If methane concentration is less than setting value, then control device 5 control two-position three-way valves 3 make its air inlet port and waste gas outlet conducting, and waste gas directly is disposed in the surrounding environment (tunnel); Thereby can collect targetedly gas, improve the power consumption ratio of gathering-device; The provided upstream of two-position three-way valve 3 is equipped with purifier 7, and purifier 7 is serially connected with on the described air inlet pipe, and purifier 7 adopts the dirt gas water separation tank, is used for purifying dust and the moisture that gas is mingled with, and increases the purity of the gas of collecting; Purifier 7 has the clean gas outlet 7-1 that is communicated with the import of two-bit triplet reversal valve and is used for and holds together the foul smell import 7-2 that device of air 4 is connected; Methane transducer 6 just is arranged on the described purifier 7; So that the gas after purifying is carried out methane concentration to be detected; The bottom of purifier 7 also is provided with sewage draining exit 7-3, and sewage draining exit 7-3 is used for the dirt in the regular emission-control equipment.Because the mine of present embodiment is used CH
4Gathering-device is provided with said two-position three-way valve in described pump drainage line upstream; The said control device of the controlled connection of said two-position three-way valve, the signal input part of said control device is connected with said methane transducer, therefore in the course of the work; Can be through the methane concentration at the said methane transducer induction two-position three-way valve upper reaches; If greater than setting value, then control said two-position three-way valve, make its air inlet port and CH
4The outlet conducting, thus collect through the pump drainage pipeline, if less than setting value, then make its air inlet port and waste gas outlet conducting, waste gas is directly discharged; Both improve the power consumption ratio of gas gathering-device, made full use of energy, also increased the CH that collects
4Concentration, increased its utilization rate.
In the foregoing description, described receipts row transfer valve can also adopt the two-position three-way valve of machinery control, the drive unit that promptly on common two-position three-way valve, is in transmission connection, and said in such cases control device is through the switching-over of said driving device controls two-position three-way valve; The row's of receipts transfer valve can also adopt the switch valve of two interlocks; Described control device can also adopt control circuit or computer; Described purifier can also adopt dirt gas purification pot or omission.
Claims (7)
1. mine is used CH
4Gathering-device; Comprise and be used to aspirate the pump drainage pipeline that correspondence is held together the gas in the device of air; It is characterized in that: the upper reaches of said pump drainage pipeline are connected with the receipts rows transfer valve that is used for correspondence is held together device of air and pump drainage pipeline or surrounding environment conducting, and said receipts row transfer valve has air inlet port, be used for the waste gas outlet of discharging waste gas and be connected in the CH of said pump drainage pipeline
4Outlet is connected with the air inlet pipe that is used to receive the gas in the device of air on the said air inlet port, described air inlet pipe is provided with and detects CH
4The methane transducer of concentration, controlled being connected with of the row's of receipts transfer valve is used for according to the said air inlet port of the signal controlling of said methane transducer and said waste gas outlet or CH
4The control device of outlet conducting.
2. mine according to claim 1 is used CH
4Gathering-device is characterized in that: described receipts row transfer valve is a two-position three-way valve.
3. mine according to claim 2 is used CH
4Gathering-device is characterized in that: said two-position three-way valve is an electromagnetic valve.
4. mine according to claim 2 is used CH
4Gathering-device is characterized in that: described two-position three-way valve is the mechanically controlled valve that is connected with drive unit, and said drive unit is controlled to be connected in said control device.
5. mine according to claim 1 is used CH
4Gathering-device is characterized in that: described receipts row transfer valve is an interstage valve.
6. use CH according to each described mine of claim 1-5
4Gathering-device is characterized in that: also comprise the CH that is serially connected with on the said air inlet pipe
4Purifier, said CH
4Purifier has the clean gas outlet that is communicated with the air inlet port of said receipts row transfer valve and is used for and holds together the foul smell import that device of air is connected, and described methane transducer is arranged on the described purifier.
7. mine according to claim 6 is used CH
4Gathering-device is characterized in that: said purifier is the dirt gas water separation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202740248U CN202176358U (en) | 2011-07-31 | 2011-07-31 | CH4 collecting device for mine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011202740248U CN202176358U (en) | 2011-07-31 | 2011-07-31 | CH4 collecting device for mine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202176358U true CN202176358U (en) | 2012-03-28 |
Family
ID=45866243
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011202740248U Expired - Fee Related CN202176358U (en) | 2011-07-31 | 2011-07-31 | CH4 collecting device for mine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN202176358U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154158A (en) * | 2015-09-15 | 2015-12-16 | 中南林业科技大学 | Device for collecting methane in forest soil |
| CN108661694A (en) * | 2018-05-14 | 2018-10-16 | 山东工商学院 | A kind of coal mining high effect dust cleaner |
-
2011
- 2011-07-31 CN CN2011202740248U patent/CN202176358U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105154158A (en) * | 2015-09-15 | 2015-12-16 | 中南林业科技大学 | Device for collecting methane in forest soil |
| CN108661694A (en) * | 2018-05-14 | 2018-10-16 | 山东工商学院 | A kind of coal mining high effect dust cleaner |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| 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: 20120328 Termination date: 20170731 |