CN203669919U - Device for extracting coal mine ventilation air methane - Google Patents
Device for extracting coal mine ventilation air methane Download PDFInfo
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- CN203669919U CN203669919U CN201320798643.6U CN201320798643U CN203669919U CN 203669919 U CN203669919 U CN 203669919U CN 201320798643 U CN201320798643 U CN 201320798643U CN 203669919 U CN203669919 U CN 203669919U
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- Prior art keywords
- methane
- adsorption cover
- coal mine
- mine ventilation
- ventilation air
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Abstract
The utility model provides a device for extracting coal mine ventilation air methane. The device for extracting coal mine ventilation air methane comprises an air shaft diffusion tower, an adsorption cover, a desorption device and a methane conveying channel. The upper portion of the air shaft diffusion tower is covered with the lower port of the adsorption cover, and the lower port of the adsorption cover is connected with the side wall of the air shaft diffusion tower in a sealing mode. A cover body is formed by a steel frame, through holes are formed in the surface of the steel frame, and the steel frame is filled with a molecular sieve. The desorption device is at least one hollow pipe with one closed end, the hollow pipe is attached to the outer surface of the adsorption cover and moves along with the adsorption cover, and a through hole is formed in the attachment surface of the hollow pipe and the adsorption cover. A water ring vacuum pump is arranged between a gas inlet of the methane conveying channel and a methane utilization device. The device for extracting coal mine ventilation air methane can effectively extract methane from coal mine ventilation air methane and provides a gas source for follow-up utilization of the coal mine ventilation air methane.
Description
Technical field
The utility model relates to a kind of extraction element of coal mine ventilation air methane, belongs to field of coal mining.
Background technology
In progress of coal mining, in coal seam, compose a large amount of gas of depositing and be rushed to digging space, adopting mine ventilation to get rid of mine gas is one of basic means of gas control.In order to improve the safety of coal production, a large amount of gas is discharged in atmosphere with method of Mine Ventilation well head ventilation fan, the direct discharge of this coal mine wind-lack gas has caused the huge waste of non-renewable resources on the one hand, has also aggravated on the other hand atmosphere pollution and greenhouse effect.
Coal resources in China is compared with horn of plenty, but most colliery belongs to high fiery colliery, and coal-bed gas gas permeability is poor.At present, mine gas extraction utilization rate is lower, and most gas is drained in atmosphere by mine ventilation mode, and the gas bearing capacity in quite a few mine air-lack stream is 0.5%～0.75%, and some content even can reach 1%.The main component of gas is alkane, and wherein methane accounts for the overwhelming majority, separately has a small amount of ethane, propane, butane and other gas, and methane conventionally can be used as fuel and manufactures the raw material of the materials such as hydrogen, carbon black, carbon monoxide, acetylene, hydrogen cyanide and formaldehyde.Therefore, how effectively the methane in coal mine methane to be extracted, and it is carried out to later use seem particularly important.
Utility model content
The purpose of this utility model is to provide a kind of extraction element of coal mine ventilation air methane, and this extraction element can effectively extract the methane in coal mine methane, and it is carried out to later use source of the gas is provided.
The utility model provides a kind of extraction element of coal mine ventilation air methane, and described extraction element comprises: ventilating shaft retention tower, adsorption cover, desorption apparatus and methane transfer passage, and wherein, described methane transfer passage has air inlet port and exhaust opening;
Ventilating shaft retention tower, the tubular construction that described ventilating shaft retention tower is upper and lower conducting;
Adsorption cover, described adsorption cover is the cover body with lower port, and the lower port of described adsorption cover covers at the top of described ventilating shaft retention tower the sidewall sealing with described ventilating shaft retention tower, wherein, the steelframe that described cover body has through hole by surface forms, and is filled with molecular sieve in described steelframe;
Desorption apparatus, described desorption apparatus is the hollow tube of at least one one end sealing, and described hollow tube laminating is arranged at described adsorption cover external surface motion with it, and the binding face of described hollow tube and described adsorption cover is provided with through hole;
The openend of described hollow tube is connected with described methane transfer passage, and the exhaust opening of described methane transfer passage utilizes equipment to be connected with methane;
The air inlet port of described methane transfer passage and described methane utilize and between equipment, are also provided with water-ring vacuum pump.
Further, described adsorption cover is the square with lower port, and fits respectively and be provided with the hollow tube that can move along the side of square and end face at the side of square adsorption cover and end face.
Further, described ventilating shaft retention tower is horn-like tower body, and its upper port is greater than lower port.
The gathering-device of the coal mine ventilation air methane that the utility model provides, can effectively extract the methane in coal mine methane and it be carried out to later use provides source of the gas.
Accompanying drawing explanation
Fig. 1 is the extraction element schematic diagram of the utility model coal mine ventilation air methane.
The specific embodiment
For making the purpose of this utility model, technical scheme and advantage clearer, in the utility model embodiment, technical scheme in the utility model embodiment is clearly and completely described, obviously, described embodiment is the utility model part embodiment, rather than whole embodiment.Based on the embodiment in the utility model, those of ordinary skills are not making the every other embodiment obtaining under creative work prerequisite, all belong to the scope of the utility model protection.
Embodiment
Fig. 1 is the extraction element schematic diagram of the utility model coal mine ventilation air methane.This extraction element comprises: ventilating shaft retention tower 1, adsorption cover 2, desorption apparatus 3 and methane transfer passage 4, and wherein, described methane transfer passage 4 has air inlet port and exhaust opening;
Ventilating shaft retention tower 1, described ventilating shaft retention tower 1 is horn-like tower body, its upper port is greater than lower port;
Three described hollow tubes are equipped with openend, and its openend is connected with described methane transfer passage 4 respectively, and the exhaust opening of described methane transfer passage 4 utilizes equipment 6 to be connected with methane;
The air inlet port of described methane transfer passage 4 and described methane utilize between equipment 6 and are also provided with water-ring vacuum pump 5, carry power resources are provided for desorb gas in desorption apparatus 3.
The operating principle of the extraction element of the utility model coal mine ventilation air methane:
Coal mine methane is after the ventilation fan in colliery is extracted ground out, enter ventilating shaft retention tower 1 from the lower port of ventilating shaft retention tower 1 by pipeline, and enter in adsorption cover 2 through the upper port of ventilating shaft retention tower 1, methane gas in weary wind is adsorbed the molecular sieve adsorption in cover 2 steelframes, in weary general mood body, be not diffused in atmosphere through the through hole of adsorption cover 2 by the gas of molecular sieve adsorption, the methane gas adsorbing in molecular sieve carries out desorption of methane by the desorption apparatus that is connected with water-ring vacuum pump at the hollow tube of adsorption cover 2 external surface settings again, the methane of separating sucking-off directly enters in hollow tube by the through hole of hollow tube and adsorption cover 2 joint places, and deliver in methane transfer passage 4 by hollow tube, finally methane gas is transported to methane and utilizes equipment 6 utilization of being correlated with.
Finally it should be noted that: above embodiment only, in order to the technical solution of the utility model to be described, is not intended to limit; Although the utility model is had been described in detail with reference to previous embodiment, those of ordinary skill in the art is to be understood that: its technical scheme that still can record aforementioned each embodiment is modified, or part technical characterictic is wherein equal to replacement; And these modifications or replacement do not make the essence of appropriate technical solution depart from the spirit and scope of the each embodiment technical scheme of the utility model.
Claims (3)
1. an extraction element for coal mine ventilation air methane, is characterized in that, described extraction element comprises: ventilating shaft retention tower, adsorption cover, desorption apparatus and methane transfer passage, and wherein, described methane transfer passage has air inlet port and exhaust opening;
Ventilating shaft retention tower, the tubular construction that described ventilating shaft retention tower is upper and lower conducting;
Adsorption cover, described adsorption cover is the cover body with lower port, and the lower port of described adsorption cover covers at the top of described ventilating shaft retention tower the sidewall sealing with described ventilating shaft retention tower, wherein, the steelframe that described cover body has through hole by surface forms, and is filled with molecular sieve in described steelframe;
Desorption apparatus, described desorption apparatus is the hollow tube of at least one one end sealing, and described hollow tube laminating is arranged at the external surface of described adsorption cover motion with it, and the binding face of described hollow tube and described adsorption cover is provided with through hole;
The openend of described hollow tube is connected with described methane transfer passage, and the exhaust opening of described methane transfer passage utilizes equipment to be connected with methane;
The air inlet port of described methane transfer passage and described methane utilize and between equipment, are also provided with water-ring vacuum pump.
2. the extraction element of coal mine ventilation air methane according to claim 1, it is characterized in that, described adsorption cover is the square with lower port, and fits respectively and be provided with the hollow tube that can move along the side of square and end face at the side of square adsorption cover and end face.
3. the extraction element of coal mine ventilation air methane according to claim 1, is characterized in that, described ventilating shaft retention tower is horn-like tower body, and its upper port is greater than lower port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798643.6U CN203669919U (en) | 2013-12-06 | 2013-12-06 | Device for extracting coal mine ventilation air methane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798643.6U CN203669919U (en) | 2013-12-06 | 2013-12-06 | Device for extracting coal mine ventilation air methane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203669919U true CN203669919U (en) | 2014-06-25 |
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ID=50966229
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798643.6U Withdrawn - After Issue CN203669919U (en) | 2013-12-06 | 2013-12-06 | Device for extracting coal mine ventilation air methane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203669919U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670495A (en) * | 2013-12-06 | 2014-03-26 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | Extraction device of coal mine ventilation air methane |
-
2013
- 2013-12-06 CN CN201320798643.6U patent/CN203669919U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670495A (en) * | 2013-12-06 | 2014-03-26 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | Extraction device of coal mine ventilation air methane |
| CN103670495B (en) * | 2013-12-06 | 2015-12-09 | 平安煤矿瓦斯治理国家工程研究中心有限责任公司 | A kind of extraction element of coal mine ventilation air methane |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140625 Effective date of abandoning: 20151209 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |