CN203603954U - Coal mine ventilation air methane conveying system - Google Patents
Coal mine ventilation air methane conveying system Download PDFInfo
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- CN203603954U CN203603954U CN201320798598.4U CN201320798598U CN203603954U CN 203603954 U CN203603954 U CN 203603954U CN 201320798598 U CN201320798598 U CN 201320798598U CN 203603954 U CN203603954 U CN 203603954U
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- transfer passage
- weary wind
- coal mine
- wind
- air methane
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Abstract
The utility model provides a coal mine ventilation air methane conveying system comprising a ventilating shaft diffusing tower, a ventilation air methane collecting device, a first ventilation air methane conveying channel and a second ventilation air methane conveying channel. An air inlet of the first ventilation air methane conveying channel is communicated with a coal mine ventilating shaft. A lower end opening of the ventilating shaft diffusing tower is communicated with an exhaust port of the first ventilation air methane conveying channel. The ventilation air methane collecting device is arranged on the upper portion of the ventilating shaft diffusing tower in a covering mode and fixedly connected outside the side wall of the ventilating shaft diffusing tower. A ventilation hole is formed in the side wall of an air methane collecting cover body in the ventilation air methane collecting device, and the barrel inside space of the ventilating shaft diffusing tower is communicated with an air methane inlet of the second ventilation air methane conveying channel through the ventilation hole. An exhaust port of the second ventilation air methane is communicated with a ventilation air methane utilization device. The coal mine ventilation air methane conveying system conveys ventilation air methane in the shaft, and an air methane source is provided for the utilization that methane gas in ventilation air methane flows serves as fuel combustion supporting and is subjected to catalytic oxidation.
Description
Technical field
The utility model relates to a kind of coal mine methane induction system, 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%.
Device in Gas is directly discharged the waste that causes available resources.On the one hand, coal-fired boiler in power plant need to consume large quantity of air, introduces mine and participates in burning containing the weary wind of gas, because gas very easily burns, will be conducive to improve coal burning performance, and gas combustion also produces amount of heat, saved coal-fired in, also reduced the gas amount to atmosphere discharge.On the other hand, if the device in Gas of discharging with mine air-lack is collected and carried out the processing such as catalytic oxidation, also can realize resource recycling.Therefore, how effectively coal mine methane to be carried, for the later use of weary distinguished and admirable middle gas seems particularly important.
Utility model content
The purpose of this utility model is to provide a kind of coal mine methane induction system, and this system can be carried out safe transport by the weary wind in mine, for weary distinguished and admirable middle gas provides source of the gas as later uses such as fuel combustion supporting and weary wind catalytic oxidations.
The utility model provides a kind of coal mine methane induction system, and this weary wind induction system comprises: ventilating shaft retention tower, weary wind gathering-device, the first weary wind transfer passage and the second weary wind transfer passage, wherein,
Described the first weary wind transfer passage and the second weary wind transfer passage have respectively air inlet port and exhaust opening, and in passage, are respectively arranged with at least one ventilation fan;
The tubular construction that described ventilating shaft retention tower is upper and lower conducting, and be provided with upper port and lower port, the lower port of described ventilating shaft retention tower is connected with the exhaust opening of described the first weary wind transfer passage, and the air inlet port of described the first weary wind transfer passage is connected with coal mine air-shaft;
Described weary wind gathering-device comprises wind-collecting cover and Explosion-proof cap, described wind-collecting cover is the cover body of upper and lower conducting, and being provided with upper port and lower port, the lower port of described wind-collecting cover covers at the top of described ventilating shaft retention tower and is fixed in outside the sidewall of described ventilating shaft retention tower; Described Explosion-proof cap is a lid, is covered on the upper port of described wind-collecting cover;
The faceshield side wall of described wind-collecting cover offers gravity vent, and the inner barrel space of described ventilating shaft retention tower is connected with the air inlet port of described the second weary wind transfer passage by this gravity vent, the exhaust opening of described the second weary wind transfer passage utilizes equipment to be communicated with weary wind;
The sidewall of described the second weary wind transfer passage is provided with the exhaust gear that can control this second weary wind transfer passage and extraneous conducting, and on sidewall, is also provided with maintenance anti-explosion mechanism between the air inlet port of described the second weary wind transfer passage and described exhaust gear.
Further, described ventilating shaft retention tower is horn-like tower body, and its upper port is greater than lower port.
Further, offer groove in the opposing sidewalls of the cover body upper port of described wind-collecting cover, and extend to form slideway along straight direction;
Described Explosion-proof cap has the lid ora terminalis that can match with described groove, and this lid ora terminalis is provided with the pulley structure that can slide along described slideway.
Further, described Explosion-proof cap is provided with air regulator.
Further, the outside of described wind-collecting cover is also provided with pressure balance mechanism, and described pressure balance mechanism comprises rope sheave frame, cotton rope and weight, and wherein, one end bolt of described cotton rope has weight, and the other end is connected with described Explosion-proof cap by rope sheave frame.
Further, described exhaust gear is made up of the exhaust passage and the close mechanism that are arranged on the second weary wind transfer passage sidewall, described the second weary wind transfer passage sidewall offers through hole, described exhaust passage is formed at this through hole, described close mechanism is arranged at this through hole, and can be controlled and realize closed to this through hole or exhaust passage.
Further, described exhaust gear is arranged on the sidewall of described the second weary wind transfer passage near exhaust opening.
Further, described explosion-proof maintenance mechanism is the maintenance explosion proof door arranging on sidewall between the air inlet port of described the second weary wind transfer passage and described exhaust gear.
The coal mine methane induction system that the utility model provides, can carry out safe transport by the weary wind in mine, for weary distinguished and admirable middle gas provides source of the gas as later uses such as fuel combustion supporting and weary wind catalytic oxidations.
Accompanying drawing explanation
Fig. 1 is the utility model coal mine methane induction system schematic diagram.
Fig. 2 is the utility model coal mine methane gathering-device schematic diagram.
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 1
Fig. 1 is the utility model coal mine methane induction system schematic diagram.This weary wind induction system comprises: ventilating shaft retention tower 2, weary wind gathering-device 3, maintenance explosion proof door 4, exceedingly high door 5, ventilation fan 1, the first weary wind transfer passage 6 and the second weary wind transfer passage 7.
The air inlet port of described the first weary wind transfer passage 6 is provided with ventilation fan 1, and the air inlet port of described the second weary wind transfer passage 7 and exhaust opening are provided with ventilation fan 1;
The air inlet port of described the first weary wind transfer passage 6 is connected with coal mine air-shaft 8;
Described ventilating shaft retention tower 2 is horn-like tower body, and its upper port is greater than lower port, and the lower port of described ventilating shaft retention tower 2 is connected with the exhaust opening of described the first weary wind transfer passage 6;
Described weary wind gathering-device 3 comprises wind-collecting cover and Explosion-proof cap, described wind-collecting cover is the cover body of upper and lower conducting, and being provided with upper port and lower port, the lower port of described wind-collecting cover covers at the top of described ventilating shaft retention tower 2 and is fixed in outside the sidewall of described ventilating shaft retention tower 2; Described Explosion-proof cap is a lid, is covered on the upper port of described wind-collecting cover;
The faceshield side wall of described wind-collecting cover offers gravity vent, and the inner barrel space of described ventilating shaft retention tower 2 is connected with the air inlet port of described the second weary wind transfer passage 7 by this gravity vent;
The exhaust opening of described the second weary wind transfer passage 7 utilizes equipment 9 to be communicated with weary wind;
Described maintenance explosion proof door 4 is opened in the sidewall of the second weary wind transfer passage 7 between air inlet port and the described exceedingly high door 5 of described the second weary wind transfer passage 7; Described maintenance explosion proof door 4 can, as the walkway of the whole coal mine methane induction system of maintenance, can also produce the air-flow impacting to catastrophe and carry out pressure release.
Described exceedingly high door 5 is made up of the exhaust passage and the close mechanism that are arranged on the second weary wind transfer passage 7 sidewalls, described the second weary wind transfer passage 7 sidewalls offer through hole, described exhaust passage is formed at this through hole, described close mechanism is arranged at this through hole, and can be controlled and realize closed to this through hole or exhaust passage.In the time of this weary wind induction system of normal use, described exceedingly high door 5 is in closed condition, and described weary wind is directly sent into weary wind by described the second wind transfer passage 7 and utilized in equipment 9; In the time that the weary wind of described the second wind transfer passage 7 exhaust openings connections utilizes equipment 9 to pass into the purposes such as fresh air rinses, the close mechanism that can arrange by exceedingly high door 5 through holes is realized the closing of the second weary wind transfer passage 7, and fresh air enters and the second wind transfer passage 7, directly enters weary wind by ventilation fan 1 and utilize the purposes such as equipment 9 rinses from exceedingly high door 5.
The operating principle of the utility model coal mine methane induction system:
The ventilation fan of weary wind in coal mine air-shaft 8 in the first weary wind transfer passage 6 extracted out, enter ventilating shaft retention tower 2 from the lower port of ventilating shaft retention tower 2, then enter in weary wind gathering-device 3 through ventilating shaft retention tower 2, enter the second weary wind transfer passage 7 by the gravity vent of the wind-collecting cover sidewall in weary wind gathering-device 3 again, ventilation fan 1 in the second weary wind transfer passage 7 is carried, and finally enters weary wind and utilizes and in equipment 9, carry out weary wind utilization.
Be illustrated in figure 2 the coal mine methane gathering-device schematic diagram of the present embodiment.Other devices of weary wind induction system and connected mode are all same with embodiment 1.
Weary wind gathering-device in the present embodiment comprises: Explosion-proof cap 1, rope sheave frame 2, weight 3, movable pulley 4, wind-collecting cover 5, ventilating shaft retention tower 6, air regulator 7 and slideway 8.
The cover body that described wind-collecting cover 5 is upper and lower conducting, and be provided with upper port and lower port, the lower port of described wind-collecting cover 5 covers at the top of described ventilating shaft retention tower 6 and is fixed in outside the sidewall of described ventilating shaft retention tower 6; Wherein, described ventilating shaft retention tower 6 is horn-like tower body, and its upper port is greater than lower port.
The opposing sidewalls of the cover body upper port of described wind-collecting cover 5 offers groove, and extends to form slideway 8 along straight direction; Described Explosion-proof cap 1 has the lid ora terminalis that can match with described groove, and this lid ora terminalis is provided with the movable pulley 4 that can slide along described slideway 8; Described Explosion-proof cap 1 is by described movable pulley 4 and the relative sliding realization of described slideway 8 and the folding of described wind-collecting cover 5.
The faceshield side wall of described wind-collecting cover 5 offers gravity vent (not shown), and the inner barrel space of described ventilating shaft retention tower 6 is connected with the entrance point of described the second weary wind transfer passage 7 by this gravity vent.
On described Explosion-proof cap 1, be also provided with air regulator 7, when the pressure of ventilating shaft retention tower 6 interior weary wind is during lower than atmospheric pressure outside tower, open air regulator 7, cover the inside and outside pressure reduction of eliminating atmosphere ventilating shaft retention tower 6, thereby guarantee the normal operation of induced draft fan, continue to suck weary wind in ventilating shaft retention tower 6.
Outside at described wind-collecting cover 5 is also provided with pressure balance mechanism, and described pressure balance mechanism comprises rope sheave frame 2, cotton rope and weight 3, and wherein, one end bolt of described cotton rope has weight 3, and the other end is connected with described Explosion-proof cap 1 by rope sheave frame 2.
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 (8)
1. a coal mine methane induction system, is characterized in that, this weary wind induction system comprises: ventilating shaft retention tower, weary wind gathering-device, the first weary wind transfer passage and the second weary wind transfer passage, wherein,
Described the first weary wind transfer passage and the second weary wind transfer passage have respectively air inlet port and exhaust opening, and in passage, are respectively arranged with at least one ventilation fan;
The tubular construction that described ventilating shaft retention tower is upper and lower conducting, and be provided with upper port and lower port, the lower port of described ventilating shaft retention tower is connected with the exhaust opening of described the first weary wind transfer passage, and the air inlet port of described the first weary wind transfer passage is connected with coal mine air-shaft;
Described weary wind gathering-device comprises wind-collecting cover and Explosion-proof cap, described wind-collecting cover is the cover body of upper and lower conducting, and being provided with upper port and lower port, the lower port of described wind-collecting cover covers at the top of described ventilating shaft retention tower and is fixed in outside the sidewall of described ventilating shaft retention tower; Described Explosion-proof cap is a lid, is covered on the upper port of described wind-collecting cover;
The faceshield side wall of described wind-collecting cover offers gravity vent, and the inner barrel space of described ventilating shaft retention tower is connected with the air inlet port of described the second weary wind transfer passage by this gravity vent, the exhaust opening of described the second weary wind transfer passage utilizes equipment to be communicated with weary wind;
The sidewall of described the second weary wind transfer passage is provided with the exhaust gear that can control this second weary wind transfer passage and extraneous conducting, and on sidewall, is also provided with maintenance anti-explosion mechanism between the air inlet port of described the second weary wind transfer passage and described exhaust gear.
2. coal mine methane induction system 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.
3. coal mine methane induction system according to claim 1, is characterized in that, offers groove, and extend to form slideway along straight direction in the opposing sidewalls of the cover body upper port of described wind-collecting cover;
Described Explosion-proof cap has the lid ora terminalis that can match with described groove, and this lid ora terminalis is provided with the pulley structure that can slide along described slideway.
4. according to the coal mine methane induction system described in claim 1-3 any one, it is characterized in that, described Explosion-proof cap is provided with air regulator.
5. according to the coal mine methane induction system described in claim 1-3 any one, it is characterized in that, the outside of described wind-collecting cover is also provided with pressure balance mechanism, described pressure balance mechanism comprises rope sheave frame, cotton rope and weight, wherein, one end bolt of described cotton rope has weight, and the other end is connected with described Explosion-proof cap by rope sheave frame.
6. coal mine methane induction system according to claim 1, it is characterized in that, described exhaust gear is made up of the exhaust passage and the close mechanism that are arranged on the second weary wind transfer passage sidewall, described the second weary wind transfer passage sidewall offers through hole, described exhaust passage is formed at this through hole, described close mechanism is arranged at this through hole, and can be controlled and realize closed to this through hole or exhaust passage.
7. according to the coal mine methane induction system described in claim 1 or 6, it is characterized in that, described exhaust gear is arranged on the sidewall of described the second weary wind transfer passage near exhaust opening.
8. according to the coal mine methane induction system described in claim 1 or 6, it is characterized in that, described explosion-proof maintenance mechanism is the maintenance explosion proof door arranging on sidewall between the air inlet port of described the second weary wind transfer passage and described exhaust gear.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798598.4U CN203603954U (en) | 2013-12-06 | 2013-12-06 | Coal mine ventilation air methane conveying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320798598.4U CN203603954U (en) | 2013-12-06 | 2013-12-06 | Coal mine ventilation air methane conveying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203603954U true CN203603954U (en) | 2014-05-21 |
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ID=50716631
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320798598.4U Expired - Fee Related CN203603954U (en) | 2013-12-06 | 2013-12-06 | Coal mine ventilation air methane conveying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203603954U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670477A (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 | Conveying system of coal mine ventilation air methane |
-
2013
- 2013-12-06 CN CN201320798598.4U patent/CN203603954U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103670477A (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 | Conveying system of coal mine ventilation air methane |
| CN103670477B (en) * | 2013-12-06 | 2016-02-03 | 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 coal mine methane induction system |
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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: 20140521 Termination date: 20161206 |