CN107420125A - A kind of coal mine wind-lack gas separated collection system - Google Patents
A kind of coal mine wind-lack gas separated collection system Download PDFInfo
- Publication number
- CN107420125A CN107420125A CN201710335769.2A CN201710335769A CN107420125A CN 107420125 A CN107420125 A CN 107420125A CN 201710335769 A CN201710335769 A CN 201710335769A CN 107420125 A CN107420125 A CN 107420125A
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- China
- Prior art keywords
- gas
- nitrogen
- oxygen
- wind
- coal mine
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 239000003245 coal Substances 0.000 title claims abstract description 28
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 92
- 239000007789 gas Substances 0.000 claims abstract description 69
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 45
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 39
- 239000001301 oxygen Substances 0.000 claims abstract description 39
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 39
- 238000000926 separation method Methods 0.000 claims abstract description 29
- 238000011084 recovery Methods 0.000 claims description 9
- 238000004064 recycling Methods 0.000 claims description 4
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract description 27
- 238000005194 fractionation Methods 0.000 abstract description 7
- 239000005431 greenhouse gas Substances 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 238000000746 purification Methods 0.000 abstract description 3
- 239000002994 raw material Substances 0.000 abstract description 3
- 235000019994 cava Nutrition 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 6
- 229910002092 carbon dioxide Inorganic materials 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000009423 ventilation Methods 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910001873 dinitrogen Inorganic materials 0.000 description 2
- 239000012528 membrane Substances 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 239000003570 air Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000010779 crude oil Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 238000011156 evaluation Methods 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 229920002521 macromolecule Polymers 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E21—EARTH OR ROCK DRILLING; MINING
- E21F—SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINING IN OR OF MINES OR TUNNELS
- E21F7/00—Methods or devices for drawing- off gases with or without subsequent use of the gas for any purpose
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Geology (AREA)
- Wind Motors (AREA)
Abstract
The invention discloses a kind of coal mine wind-lack gas separated collection system, including body.Body one end is provided with total air intake wind cave, and total air intake wind cave connects with chamber body, there are several air intake branch wind caves that be arranged in parallel in chamber body, air intake Feng Dong branches are provided with gas fractionation unit, gas fractionation unit is used for separation of nitrogen and oxygen, and the nitrogen of collection and oxygen are sent into discharge line, nitrogen and oxygen discharge pipe road one end extend body exterior, then Collection utilization；It is remaining after separation of nitrogen and oxygen to be concentrated again by gas collection channel Collection utilization by branch's air-out wind cave containing methane gas.The present invention is compact-sized, it is easy to use, pass through the collection and utilization of gas in coal mine methane and other gases, reduce effective utilization of greenhouse gas emissions and clear energy sources, also preferable Social benefit and economic benefit can be reached by the nitrogen of purification, oxygen as other industry production raw material simultaneously.
Description
Technical field
The present invention relates to a kind of separated collection system, specially a kind of gas separates and collects device, belongs to coal mine equipment skill
Art field.
Background technology
(scientific name is methane to the gas of down-hole coal bed middle preservation, and molecular formula is：CH4) it is one of five big disaster of colliery, it is system
About mine safety production and sustainable development principal element.In actual production process, China's overwhelming majority mine gas is logical
The idle air form for crossing main fan in mine discharge is discharged into air.By inquiry, 2.1Mt projecting mines, total exhaust air rate are produced per year
28000m3/ min, gas density 0.15% in return, the gas amount in air is discharged to daily just up to 60,000 m3, whole year is discharged to greatly
Gas amount in gas is about 22,000,000 m3.Shown according to the Scientific evaluation report data that IPCC is newest, heating for given methane is latent
Force value (GWP) is 25 times of carbon dioxide, and greenhouse effects caused by methane are CO in idle air221 times, to atmospheric ozone layer
Damage capability is about CO27 times.China's coal-mine gas emission in 2010 is about 20,000,000,000 m3Left and right, outburst amount is equivalent to annual
Waste 18,000,000 tons of crude oil or 30,000,000 tons of standard coal.Coal mine wind-lack gas is directly discharged in air, on the one hand caused
The serious wastes of limited non-renewable resources, on the other hand, exacerbate atmosphere pollution and greenhouse gases effect.
Since the 1990s, in order to reduce effective utilization of greenhouse gas emissions and clear energy sources, both at home and abroad
Research institution has carried out the exploitation and application study that coal mine wind-lack gas utilizes technology.In the utilization technology of coal mine wind-lack gas
The collection to coal mine methane gas is all referred to, and the exploitation of coal mine wind-lack gas beneficiation technologies is with applying link, is not influence
In the case of main fan in mine normal work, idle air (wherein N that main fan in mine exhaust outlet is discharged2Content is about
78%th, O2Content about 20%, CH4Content about 0.15%, remaining is other inert gases, CO2Gas etc.) it is collected, pass through gas
Body separator realizes gas, nitrogen, oxygen in enrichment coal mine methane, to reach the effective profit for improving coal mine methane resource
With, reduce atmosphere pollution and greenhouse gases effect, have great importance in using technology, therefore in view of the above-mentioned problems, I
Propose a kind of gas system for separating and purifying.
The content of the invention
The present invention provides the gas separated collection system in a kind of coal mine methane, is to separate colliery by gas separation
Nitrogen and oxygen in chief ventilators discharge idle air are collected or discharged, and purify the gas in idle air, effectively and at utmost
Collect coal mine methane in gas and utilization.
In order to solve the above-mentioned technical problem, the invention provides following technical scheme：
The present invention is a kind of coal mine wind-lack gas separated collection system, including body, described body one end are entered provided with idle air
Wind wind cave, and the air intake wind cave connects with the chamber body, there is some wind caves point be arrangeding in parallel in the chamber body
Branch, the Feng Dong branches are provided with nitrogen separation device and oxygen separation device, and nitrogen separation fills in the multiple Feng Dong branches
Put with oxygen separation device by the nitrogen of separation and oxygen enter respective UNICOM gas recovery discharge line and, the nitrogen and
Oxygen discharge pipe road and one end extend the body exterior, and it is total logical that the nitrogen and oxygen isolated are back to each recovery respectively
With after, the gas such as tail gas is discharged and utilized by air-out wind cave in road.It is described as a preferred technical solution of the present invention
Nitrogen discharge line connects with the oxygen discharge pipe road with the gas fractionation unit.
As a preferred technical solution of the present invention, described body one end is provided with gas collection channel, and the gas
Collection channel connects with the chamber body.
As a preferred technical solution of the present invention, nitrogen separation device and the outside nitrogen being connected in the body
Passing away is connected with nitrogen recycling overall channel again.
As a preferred technical solution of the present invention, oxygen separation device and the external oxygen being connected in the body
Passing away is connected with oxygen recovery overall channel again.
The beneficial effect that is reached of the present invention is：The present invention is compact-sized, easy to use, by gas in coal mine methane and
The collection and utilization of other gases, effective utilization of greenhouse gas emissions and clear energy sources is reduced, while also can be by purification
Nitrogen, oxygen have good economic benefit and social benefit, suitably promoted the use of as other industry production raw material.
Brief description of the drawings
Accompanying drawing is used for providing a further understanding of the present invention, and a part for constitution instruction, the reality with the present invention
Apply example to be used to explain the present invention together, be not construed as limiting the invention.In the accompanying drawings：
Fig. 1 is a kind of structural representation of coal mine wind-lack gas separated collection system (separation of nitrogen and oxygen) of the present invention.
In figure：1. body；2. air intake wind cave；3. branch's wind cave；4. nitrogen separation device；5. nitrogen discharge line；6. nitrogen
Gas reclaims overall channel；7. oxygen separation device；8. oxygen discharge pipe road；9. oxygen recovery overall channel；10. gas collection channel.
Fig. 2 is a kind of structural representation of coal mine wind-lack gas separated collection system (separation of nitrogen) of the present invention.
In figure：1. body；2. air intake wind cave；3. branch's wind cave；4. nitrogen separation device；5. nitrogen discharge line；6. nitrogen
Gas reclaims overall channel；7. gas collection channel.
Embodiment
The preferred embodiments of the present invention are illustrated below in conjunction with accompanying drawing, it will be appreciated that described herein preferred real
Apply example to be merely to illustrate and explain the present invention, be not intended to limit the present invention.
Embodiment：As shown in figure 1, a kind of coal mine wind-lack gas separated collection system of the present invention, including body 1, body 1 one
End is provided with air intake wind cave 2, and air intake wind cave 2 connects with the inner chamber of body 1, and intracavitary is provided with some points be arrangeding in parallel in body 1
Branch wind cave 3, Feng Dong branches 3 are provided with nitrogen separation device 4, and nitrogen discharge line 5 is provided between multiple Feng Dong branches 3, and
Nitrogen discharge line 5 is connected with nitrogen recycling total pipeline 6, and the one end of nitrogen recycling total pipeline 6 is extended outside body 1；
The Feng Dong branches 3 of the side of nitrogen separation device 4 are provided with oxygen separation device 7, and are set between multiple Feng Dong branches 3
There is oxygen discharge line 8, and oxygen discharge pipe road 8 is connected with oxygen recovery total pipeline 9, the one end of oxygen recovery total pipeline 9 is prolonged
Stretch in outside body 1.Nitrogen discharge line 5 connects with oxygen discharge pipe road 8 with gas fractionation unit 4 and 7.
Because nitrogen separation (nitrogen processed) technology is more, only by taking polymeric membrane filter as an example, gas fractionation unit 4 is macromolecule
Film filter, air through compressor compression filtering after enter polymeric membrane filter, due to various gases in film solubility with
Diffusion coefficient is different, causes gas with various relative permeation rates in film different.When mixed gas is in the work of film pressure at both sides difference
, can be with gases such as separation of nitrogen, oxygen, gas, so as to reach the purpose of mixed gas separation under.
The one end of body 1 is provided with gas collection channel 10, and gas collection channel 10 connects with the inner chamber of body 1.
Because the idle air air quantity of coal mine main ventilator discharge is big, about more than 10,000 side per minute left and right, therefore nitrogen and oxygen
Separator needs two with up to several, and the idle air air quantity that actual number of units of installing regards coal mine main ventilator discharge determines, in figure
Five gas fractionation units are enumerated simply technically to be easy to illustrate.Fig. 2 is the system construction drawing of a separation of nitrogen, because of its principle
It is identical with Fig. 1, repeat no more.
Specifically, in use, idle air enters multiple gas fractionation units 4 and 7, by the nitrogen in idle air, oxygen, water vapour
Separated with gas, purify the methane gas in idle air, realize the continuous collection process of ventilation air gas.Simultaneously as colliery
The particularity of ventilation, corresponding safety devices are also added in system Construction, it is ensured that mire ventilation safety.
The present invention is compact-sized, easy to use, by the collection and utilization of gas in coal mine methane and other gases, reduces
Effective utilization of greenhouse gas emissions and clear energy sources, while also can be by the nitrogen of purification, oxygen as other industry productions
Raw material, there is good economic benefit and social benefit, suitably promote the use of.
Finally it should be noted that：The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention,
Although the present invention is described in detail with reference to the foregoing embodiments, for those skilled in the art, it still may be used
To be modified to the technical scheme described in foregoing embodiments, or equivalent substitution is carried out to which part technical characteristic.
Within the spirit and principles of the invention, any modification, equivalent substitution and improvements made etc., it should be included in the present invention's
Within protection domain.
Claims (4)
1. a kind of coal mine wind-lack gas separated collection system, including body (1), it is characterised in that described body (1) one end is provided with
Idle air air intake wind cave (2), and the air intake wind cave (2) connects with the body (1) inner chamber, the body (1) is if interior intracavitary has
The dry Feng Dong branches (3) be arrangeding in parallel, the Feng Dong branches (3) are provided with nitrogen separation device (4) and oxygen separation device
(7), nitrogen separation device (4) and oxygen separation device (7) enter the nitrogen of separation and oxygen in the multiple Feng Dong branches (3)
Enter gas recovery discharge line (5) and (8) of respective UNICOM, the nitrogen and oxygen discharge pipe road (5) and (8) one end extend
The body (1) is outside, after the nitrogen and oxygen isolated are back to each recovery overall channel (6) and (9) respectively, tail gas
By air-out wind cave (10) discharge and utilized Deng gas.
A kind of 2. coal mine wind-lack gas separated collection system according to claim 1, it is characterised in that：The body (1)
One end is provided with gas collection channel (10), and the gas collection channel (10) connects with the body (1) inner chamber.
A kind of 3. coal mine wind-lack gas separated collection system according to claim 1, it is characterised in that：The body (1)
Middle nitrogen separation device (4) is connected with nitrogen recycling overall channel (6) again with the outside nitrogen passing away (5) being connected.
A kind of 4. coal mine wind-lack gas separated collection system according to claim 1, it is characterised in that：The body (1)
Middle oxygen separation device (7) is connected with oxygen recovery overall channel (9) again with the external oxygen passing away (8) being connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335769.2A CN107420125A (en) | 2017-05-12 | 2017-05-12 | A kind of coal mine wind-lack gas separated collection system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710335769.2A CN107420125A (en) | 2017-05-12 | 2017-05-12 | A kind of coal mine wind-lack gas separated collection system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107420125A true CN107420125A (en) | 2017-12-01 |
Family
ID=60424598
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710335769.2A Pending CN107420125A (en) | 2017-05-12 | 2017-05-12 | A kind of coal mine wind-lack gas separated collection system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107420125A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781907A (en) * | 1985-12-04 | 1988-11-01 | Mcneill John M | Production of membrane-derived nitrogen from combustion gases |
| PL315062A1 (en) * | 1993-11-03 | 1996-09-30 | Amoco Corp | Recovery of methane from coal deposits while employing the membrane separation of oxygen from air |
| CN1811132A (en) * | 2005-12-05 | 2006-08-02 | 黄鹏飞 | Comprehensive coal mine gas treating method |
| CN101240716A (en) * | 2008-03-05 | 2008-08-13 | 徐军 | Oxygen-containing mash gas concentration modifying device and uses thereof |
| CN202718706U (en) * | 2012-08-03 | 2013-02-06 | 邹国龙 | Separating device of mine ventilation air gas |
| CN203170177U (en) * | 2013-04-10 | 2013-09-04 | 杭州汽轮工程股份有限公司 | Device for purifying ventilation air methane |
| CN103388487A (en) * | 2013-08-12 | 2013-11-13 | 上海理工大学 | Recovery device for methane in mine discharged air and application thereof |
| 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 |
| CN205876382U (en) * | 2016-08-23 | 2017-01-11 | 山东科技大学 | Coal mine gas separator |
-
2017
- 2017-05-12 CN CN201710335769.2A patent/CN107420125A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4781907A (en) * | 1985-12-04 | 1988-11-01 | Mcneill John M | Production of membrane-derived nitrogen from combustion gases |
| PL315062A1 (en) * | 1993-11-03 | 1996-09-30 | Amoco Corp | Recovery of methane from coal deposits while employing the membrane separation of oxygen from air |
| CN1811132A (en) * | 2005-12-05 | 2006-08-02 | 黄鹏飞 | Comprehensive coal mine gas treating method |
| CN101240716A (en) * | 2008-03-05 | 2008-08-13 | 徐军 | Oxygen-containing mash gas concentration modifying device and uses thereof |
| CN202718706U (en) * | 2012-08-03 | 2013-02-06 | 邹国龙 | Separating device of mine ventilation air gas |
| CN203170177U (en) * | 2013-04-10 | 2013-09-04 | 杭州汽轮工程股份有限公司 | Device for purifying ventilation air methane |
| CN103388487A (en) * | 2013-08-12 | 2013-11-13 | 上海理工大学 | Recovery device for methane in mine discharged air and application thereof |
| 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 |
| CN205876382U (en) * | 2016-08-23 | 2017-01-11 | 山东科技大学 | Coal mine gas separator |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20171201 |