CN203170177U - Device for purifying ventilation air methane - Google Patents
Device for purifying ventilation air methane Download PDFInfo
- Publication number
- CN203170177U CN203170177U CN 201320175957 CN201320175957U CN203170177U CN 203170177 U CN203170177 U CN 203170177U CN 201320175957 CN201320175957 CN 201320175957 CN 201320175957 U CN201320175957 U CN 201320175957U CN 203170177 U CN203170177 U CN 203170177U
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- gas
- methane
- water curtain
- general mood
- purification
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Abstract
The utility model relates to the fields of treatment and utilization of low-concentration ventilation air methane in coal mining, and in particular relates to a device for purifying the ventilation air methane. The operating process of the device for purifying the ventilation air methane comprises the following steps of water curtain dedusting: carrying out preliminary dedusting by adopting a reactor with a water curtain effect; atomization dedusting: carrying out further dedusting by adopting an atomizer with an efficient atomizing effect; and carrying out gas-liquid separation, drying separated clean gas through a dryer and enabling the dried clean gas to enter a methane gas thermal oxidation utilization device to generate thermal energy. The device for purifying the ventilation air methane has the advantages that methane feed gas contained in the process of water curtain dedusting is chemically reacted with an alkaline absorption liquid, so that dust, sulfur compounds and the like in the feed gas are removed; and in addition, the methane gas after being subjected to the water curtain dedusting is chemically reacted with an atomization reactor of the alkaline absorption liquid, so that carbon dioxide in the methane gas is further removed and the pollution to the natural environment is avoided in the process that the methane gas is fed into the methane gas thermal oxidation utilization device to generate thermal energy.
Description
Technical field
The utility model relates to the processing of the weary wind of low concentration gas in the coal mining and the field of utilization, in particular to a kind of device that purifies weary general mood.
Background technology
" weary wind " claims " colliery wind gas-removing " again, nail alkane concentration is lower than 0.75% coal mine gas, be in a kind of process of mining for guaranteeing the air permeability gas that production safety produces because methane concentration is very low in the weary wind, therefore be a kind of extremely difficult and resource of utilizing.It utilizes method to mainly contain fuel and the counter flow oxidation technology of mixing burning, enrichment method technology in the station boiler, being used for the lean-burn gas-turbine at present.In fact, no matter be to mix burning, enrichment concentration technique in the station boiler or for the lean-burn gas turbine fuel, mine air-lack mash gas is all failed to obtain effective scale and handled.But contain a large amount of sulphur compounds in the weary general mood and hinder the carbon dioxide that heat energy reacts.
For example Granted publication number is 101539027 Chinese invention patent, it discloses a kind of Apparatus and method for of handling low-concentration methane in the weary general mood of coal mine, utilize the flow-reversal catalytic combustion system directly it to be handled in the main fan of mine ventilation exit, and recovery section heat, this device includes two catalytic reactors, a heat exchanger, the Pneumatic three-way valve of two groups of periodicity automatic open closes commutation, an automatic tonifying Qi Pneumatic three-way valve and an air exhauster.It is mine air-lack gas below 1% that the present invention can handle methane concentration, and its methane clearance reaches more than 95%, but the methane gas of burning in this device is known from experience and produced a large amount of sulfide environment is polluted.
The utility model content
Based on the problems referred to above, the utility model provides a kind of device that purifies weary general mood, is intended to solve that utilizing of mine air-lack mash gas in the prior art contained a large amount of dusts in the process, sulfur-containing compound pollutes environment; The problem that when thermal oxidation apparatus breaks down, the Device in Gas in the mine can't be discharged.For this reason, the utility model adopts following technical scheme.
A kind of device that purifies weary general mood, it comprises the water curtain dust arrester of the reactor with water curtain effect, the device of the weary general mood of this purification also comprises the nebulization dust device with atomizer.
Preferably, also comprise gas-liquid separation device.
The operation principle of the device of the weary general mood of this purification is: will be unstripped gas from the ventilation air gas in the mine and be passed in this device by conveyance conduit, at first enter into the water curtain dust arrester, in this process, to add certain water, and then unstripped gas is passed in the water curtain dust arrester can react fully with alkaline absorption solution wherein, wherein dust and sulfur-containing compound are removed; For the dust in the unstripped gas and sulfur-containing compound are thoroughly removed, the Device in Gas of coming out through rough dusting from the water curtain dust arrester is sent in the nebulization dust device, also contain alkaline absorption solution in the nebulization dust device, in this process, also to constantly add certain water, alkaline absorption solution in Device in Gas and the nebulization dust device is reacted fully, and then the sulfur-containing compound in the Device in Gas is thoroughly removed; Carry out Device in Gas behind the final dusting and enter in the gas-liquid separation device Device in Gas is separated with liquid from the nebulization dust device, the clean gas that obtains after the separation is sent in the Device in Gas thermal oxide use device after by the drier drying and produces heat energy.
Preferably, all contain alkaline absorption solution in described water curtain dust arrester and the nebulization dust device in the such scheme.
Preferably, be provided with safety valve in the described gas-liquid separation device in the such scheme.Device in Gas pipeline after the gas-liquid separation is provided with safety valve, has guaranteed the security of Device in Gas in course of conveying like this.
Preferably, also be provided with drier in the described gas-liquid separation device in the such scheme.
Preferably, also comprise the unstripped gas conveyance conduit in the such scheme.
Of the present utility model is to be provided with shutter in the exit of the conveyance conduit of unstripped gas on the other hand, in the time of when above-mentioned Device in Gas thermal oxide use device breaks down, Device in Gas can not being burnt, by shutter being opened to maximum position the unstripped gas in the conveyance conduit is discharged, and then make coal mining production normal; When shutter was opened to maximum position and the unstripped gas in the conveyance conduit can't be discharged smoothly, the auxiliary tapping equipment that will be arranged on the outlet of conveyance conduit was opened.
Preferably, the exit of unstripped gas conveyance conduit is provided with shutter in the such scheme.
Preferably, the exit of unstripped gas conveyance conduit also is provided with auxiliary air exhausting device in the such scheme.
Preferably, also comprise Device in Gas thermal oxide use device in the such scheme.
Description of drawings
Fig. 1 is according to a kind of structural representation that purifies the preferred embodiment of the device that lacks general mood of the present utility model.
Label in the accompanying drawing:
Water curtain dust arrester 1, nebulization dust device 2, gas-liquid separation device 3.
The specific embodiment
The following description only is exemplary and be not in order to limit the disclosure, application or purposes in essence.Be further described below in conjunction with the specific embodiment of Figure of description to the device of the weary general mood of purification of the present utility model.
As shown in Figure 1, be a kind of structural representation (direction of arrow is the gas communication direction) that purifies the preferred embodiment of the device that lacks general mood of the present utility model.This purifies the device of weary general mood, and it comprises the water curtain dust arrester 1 of the reactor with water curtain effect, and the device of the weary general mood of this purification also comprises the nebulization dust device 2 with atomizer, also comprises gas-liquid separation device 3.
The operation principle of the device of the weary general mood of this purification is: will be unstripped gas from the ventilation air gas in the mine and be passed in this device by conveyance conduit, at first enter into water curtain dust arrester 1, in this process, to add certain water, and then unstripped gas is passed in the water curtain dust arrester 1 can react fully with alkaline absorption solution wherein, wherein dust and sulfur-containing compound are removed; For the dust in the unstripped gas and sulfur-containing compound are thoroughly removed, the Device in Gas of coming out through rough dusting from the water curtain dust arrester is sent in the nebulization dust device 2, also contain alkaline absorption solution in the nebulization dust device 2, in this process, also to constantly add certain water, alkaline absorption solution in Device in Gas and the nebulization dust device 2 is reacted fully, and then the sulfur-containing compound in the Device in Gas is thoroughly removed; Carry out Device in Gas behind the final dusting and enter in the gas-liquid separation device 3 Device in Gas is separated with liquid from nebulization dust device 2, the clean gas that obtains after the separation is sent in the Device in Gas thermal oxide use device (not shown) after by the drier drying and produces heat energy.
All contain alkaline absorption solution in water curtain dust arrester 1 and the nebulization dust device 2, the sulfur-containing compound in the unstripped gas thoroughly can be removed like this.Can not pollute natural environment so send into to produce in the heat energy process in the Device in Gas thermal oxide use device (not shown).
Be provided with safety valve in the gas-liquid separation device 3.Device in Gas pipeline after the gas-liquid separation is provided with safety valve, has guaranteed the security of Device in Gas in course of conveying like this.
Also be provided with drier in the gas-liquid separation device 3.The clean gas that comes out from gas-liquid separation device 3 necessarily contains a large amount of moisture content, produce heat energy through just being sent in the Device in Gas thermal oxide use device after the drier drying, so add drier in gas-liquid separation device 3.
Of the present utility model is to be provided with the shutter (not shown) in the exit of the conveyance conduit of unstripped gas on the other hand, in the time of when above-mentioned Device in Gas thermal oxide use device (not shown) breaks down, Device in Gas can not being burnt, by shutter being opened to maximum position the unstripped gas in the conveyance conduit is discharged, and then make coal mining production normal; When shutter was opened to maximum position and the unstripped gas in the conveyance conduit can't be discharged smoothly, the auxiliary tapping equipment (not shown) that will be arranged on the outlet of conveyance conduit was opened.
Above-mentioned shutter is arranged on the exit of unstripped gas conveyance conduit, in the time of when above-mentioned Device in Gas thermal oxide use device (not shown) breaks down, Device in Gas can not being burnt, by shutter being opened to maximum position the unstripped gas in the conveyance conduit is discharged.
Above-mentioned auxiliary air exhausting device is arranged on the exit of unstripped gas conveyance conduit, when shutter was opened to maximum position and the unstripped gas in the conveyance conduit can't be discharged smoothly, the auxiliary tapping equipment (not shown) that will be arranged on the outlet of conveyance conduit was opened.
It will be apparent to those skilled in the art that a kind of device that purifies weary general mood of the present utility model comprises any combination of each several part in this specification.As space is limited and in order to make specification simple and clear, these combinations not to be introduced one by one in detail at this, but after having seen this specification, the scope of the present utility model that any combination of the each several part that is made of this specification constitutes is self-evident.
Claims (9)
1. one kind purifies the device that lacks general mood, and the water curtain dust arrester that it comprises the reactor with water curtain effect is characterized in that: the device of the weary general mood of this purification also comprises the nebulization dust device with atomizer.
2. the device of the weary general mood of purification as claimed in claim 1 is characterized in that: also comprise gas-liquid separation device.
3. the device of the weary general mood of purification as claimed in claim 1 is characterized in that: all contain alkaline absorption solution in described water curtain dust arrester and the nebulization dust device.
4. the device of the weary general mood of purification as claimed in claim 2 is characterized in that: be provided with safety valve in the described gas-liquid separation device.
5. the device of the weary general mood of purification as claimed in claim 2 is characterized in that: also be provided with drier in the described gas-liquid separation device.
6. the device of the weary general mood of purification as claimed in claim 1 is characterized in that: also comprise the unstripped gas conveyance conduit.
7. purification as claimed in claim 6 lacks the device of general mood, and it is characterized in that: the exit of unstripped gas conveyance conduit is provided with shutter.
8. purification as claimed in claim 6 lacks the device of general mood, and it is characterized in that: the exit of unstripped gas conveyance conduit also is provided with auxiliary air exhausting device.
9. the device of the weary general mood of purification as claimed in claim 1 is characterized in that: also comprise Device in Gas thermal oxide use device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175957 CN203170177U (en) | 2013-04-10 | 2013-04-10 | Device for purifying ventilation air methane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320175957 CN203170177U (en) | 2013-04-10 | 2013-04-10 | Device for purifying ventilation air methane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203170177U true CN203170177U (en) | 2013-09-04 |
Family
ID=49066932
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320175957 Expired - Fee Related CN203170177U (en) | 2013-04-10 | 2013-04-10 | Device for purifying ventilation air methane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203170177U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420125A (en) * | 2017-05-12 | 2017-12-01 | 李灿欣 | A kind of coal mine wind-lack gas separated collection system |
| CN113266415A (en) * | 2021-06-16 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternative pumping and pressing |
-
2013
- 2013-04-10 CN CN 201320175957 patent/CN203170177U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107420125A (en) * | 2017-05-12 | 2017-12-01 | 李灿欣 | A kind of coal mine wind-lack gas separated collection system |
| CN113266415A (en) * | 2021-06-16 | 2021-08-17 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternative pumping and pressing |
| CN113266415B (en) * | 2021-06-16 | 2024-06-11 | 陕西长武亭南煤业有限责任公司 | Gas extraction equipment and method with alternate extraction and compression |
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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 |
Granted publication date: 20130904 Termination date: 20180410 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |