CN206173274U - Crushed coal pressure gasifier's coal gas safety processing system - Google Patents
Crushed coal pressure gasifier's coal gas safety processing system Download PDFInfo
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- CN206173274U CN206173274U CN201621250007.XU CN201621250007U CN206173274U CN 206173274 U CN206173274 U CN 206173274U CN 201621250007 U CN201621250007 U CN 201621250007U CN 206173274 U CN206173274 U CN 206173274U
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- gas
- coal
- coal gas
- pipeline
- gasification furnace
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Abstract
The utility model provides a crushed coal pressure gasifier's coal gas safety processing system, include: the gasifier, it transports the mouth to be provided with coal gas on the gasifier, showing tremendous enthusiasm torch, showing tremendous enthusiasm torch with be provided with first coal gas between the gasifier and transport the pipeline, just first end that first coal gas transported the pipeline with coal gas transports a mouthful connection, second end that first coal gas transported the pipeline with showing tremendous enthusiasm torch is connected, the coal gas that produces in the gasifier passes through first coal gas transports the pipeline and transports in the showing tremendous enthusiasm torch, coarse coal trachea net, coarse coal trachea net with it transports the pipeline to be provided with second coal gas between the gasifier. The utility model provides a crushed coal pressure gasifier's coal gas safety processing system can effectively prevent the explosion accident that showing tremendous enthusiasm torch operation in -process leads to owing to oxygen content in the coal gas exceeds standard, also can solve simultaneously showing tremendous enthusiasm torch operation in -process since in the coal gas combustible gas content low and showing tremendous enthusiasm torch that result in goes out the environmental pollution problem of bringing.
Description
Technical field
This utility model is related to crushed coal pressurized-gasification furnace field, more particularly to a kind of gas safety of crushed coal pressurized-gasification furnace
Processing system.
Background technology
Crushed coal pressurized-gasification furnace is a kind of fixed bed coal gasifier, low due to requiring feed coal, i.e., except strong cohesive property
Outside coal, remaining coal can gasify, particularly the colm of low-order coal and high ash melting point.The gasification furnace is widely applied to
Coal synthesis ammonia, methanol, dimethyl ether, artificial oil and coal gas natural gas field.
Utility model content
This utility model provides a kind of gas safety processing system of crushed coal pressurized-gasification furnace, its purpose is to solve
The coal gas produced in crushed coal pressurized-gasification furnace causes the problem exploded during transport because oxygen is exceeded, and due to coal
The flammable low problem for causing hot torch to extinguish the environmental pollution for bringing of gas.
In order to achieve the above object, embodiment of the present utility model provides a kind of gas safety of crushed coal pressurized-gasification furnace
Processing system, including：
Gasification furnace, is provided with coal gas and transports mouth on the gasification furnace；
Hot torch, is provided with the first coal gas and transports pipeline, and first coal between the hot torch and the gasification furnace
Fate send first end and the coal gas transport mouth of pipeline to be connected, and the second end that first coal gas transports pipeline is showing tremendous enthusiasm with described
Torch connects, and the coal gas produced in the gasification furnace transports pipeline and is transported in the hot torch by first coal gas；
Rough coal gas pipe network, is provided with the second coal gas and transports pipeline, and institute between the rough coal gas pipe network and the gasification furnace
State the second coal gas and transport the first end and the coal gas of pipeline and transport mouth and be connected, second coal gas transport the second end of pipeline and
The rough coal gas pipe network connection, the raw gas produced in the gasification furnace is transported to described by second coal gas transport pipeline
Rough coal gas pipe network.
Wherein, first coal gas to be transported and be provided with a gas flow display device on pipeline.
Wherein, first coal gas transports and an oxygen content monitoring device is provided with pipeline, the oxygen content detection
First coal gas described in device real-time monitoring transports the oxygen content of the coal gas in pipeline.
Wherein, first coal gas to be transported and be connected with a nitrogen gas delivery-line on pipeline, is set in the nitrogen gas delivery-line
The first pipe switch is equipped with, first pipe switch is electrically connected with the oxygen content monitoring device.
Wherein, the oxygen content monitoring device exceedes in the oxygen content that first coal gas transports the coal gas in pipeline
During the first preset value, first pipe switch is opened, and the nitrogen in the nitrogen gas delivery-line is transported into first coal gas
Send in pipeline.
Wherein, first coal gas transports and nitrogen content monitoring device is provided with pipeline, nitrogen content detection
First coal gas described in device real-time monitoring transports nitrogen content of the coal gas in pipeline.
Wherein, first coal gas transports and a combustion-supporting gas conveyance conduit is provided with pipeline, the combustion-supporting gas conveying
Pipeline is provided with second pipe switch, and the second pipe switch is electrically connected with nitrogen content monitoring device.
Wherein, nitrogen content monitoring device exceedes in nitrogen content that first coal gas transports the coal gas in pipeline
During the second preset value, second pipe switch is opened, and the combustion-supporting gas in the combustion-supporting gas conveyance conduit enters described the
One coal gas is transported in pipeline.
Wherein, aerofluxuss lighting-up tuyere is provided with the hot torch, on the aerofluxuss lighting-up tuyere firing device is provided with, it is described
Coal gas in gasification furnace is transported in the hot torch is discharged by aerofluxuss lighting-up tuyere burning.
Such scheme of the present utility model has following beneficial effect：
The gas safety processing system of the crushed coal pressurized-gasification furnace described in above-described embodiment of the present utility model is by increasing
Monitoring device, monitors the oxygen that first coal gas transports the mixed gas in pipeline, the content of nitrogen, by being arranged on first
The gas that coal gas is transported in nitrogen gas delivery-line and combustion-supporting gas conveyance conduit adjustment the first coal gas transport pipeline on pipeline contains
Amount, can effectively prevent in hot torch running due to the exceeded and caused explosion accident of oxygen content in coal gas；Also may be used simultaneously
Solve in hot torch running because the brought environment of the low and caused hot torch extinguishing of fuel gas content in coal gas is dirty
Dye problem.
Description of the drawings
Fig. 1 is the structural representation of the gas safety processing system of crushed coal pressurized-gasification furnace of the present utility model.
【Description of reference numerals】
1- gasification furnaces；2- coal gas transports mouth；3- hot torchs；The coal gas of 4- first transports pipeline；The coal gas of 5- second transports pipeline；
6- gas flow display devices；7- oxygen content monitoring devices；8- nitrogen gas delivery-lines；The pipe switchs of 9- first；10- nitrogen contains
Amount monitoring device；11- combustion-supporting gas conveyance conduits；12- second pipes are switched；13- aerofluxuss lighting-up tuyeres.
Specific embodiment
To make the technical problems to be solved in the utility model, technical scheme and advantage clearer, below in conjunction with accompanying drawing
And specific embodiment is described in detail.
This utility model is directed to the coal gas produced in existing crushed coal pressurized-gasification furnace in running because oxygen is super
Mark and cause the problem exploded, and due to the flammable low problem for causing hot torch to extinguish the environmental pollution for bringing of coal gas, carry
A kind of gas safety processing system of crushed coal pressurized-gasification furnace is supplied.
As shown in figure 1, embodiment of the present utility model provides a kind of gas safety processing system of crushed coal pressurized-gasification furnace
System, including：Gasification furnace 1, is provided with coal gas and transports mouth 2 on the gasification furnace 1；Hot torch 3, the hot torch 3 and the gasification
The first coal gas is provided between stove 1 and transports pipeline 4, and the first end of first coal gas transport pipeline 4 is transported with the coal gas
Mouth 2 connects, and first coal gas transports the second end of pipeline 4 and is connected with the hot torch 3, the coal produced in the gasification furnace 1
Gas transports pipeline 4 and is transported in the hot torch 3 by first coal gas；Rough coal gas pipe network, the rough coal gas pipe network and institute
State and the second coal gas transport pipeline 5 is provided between gasification furnace 1, and second coal gas transports the first end and the coal of pipeline 5
Fate send mouth 2 to connect, and second coal gas transports the second end of pipeline 5 and is connected with the rough coal gas pipe network, in the gasification furnace 1
The raw gas of generation transports pipeline 5 and is transported to the rough coal gas pipe network by second coal gas.
The gas safety processing system of the crushed coal pressurized-gasification furnace described in above-described embodiment of the present utility model increases monitoring
Device, monitors the oxygen that first coal gas transports the mixed gas in pipeline 4, the content of nitrogen, by being arranged on the first coal
Fate send the nitrogen gas delivery-line 8 on pipeline 4 and combustion-supporting gas conveyance conduit 11 to adjust the gas that the first coal gas is transported in pipeline 4
Content, can effectively prevent in hot torch running due to the exceeded and caused explosion accident of oxygen content in coal gas；Simultaneously
Can solve in hot torch running due in coal gas the low and caused hot torch of fuel gas content extinguish brought environment
Pollution problem；When the pressure-raising of gasification furnace 1 is to raw gas ductwork pressure, closing goes the valve of hot torch, opening to remove raw gas
Valve on pipe network makes raw gas enter rough coal gas pipe network.
Wherein, first coal gas to be transported and be provided with a gas flow display device 6 on pipeline 4.
A gas flow is additionally provided with the first coal gas transport pipeline 4 described in above-described embodiment of the present utility model to show
Device 6, can detect that first coal gas transports the gas flow letter in pipeline 4 by the gas flow display device 6
Breath, by the gas flow information combine first coal gas that monitors transport coal gas in pipeline 4 oxygen content and
Nitrogen content, can calculate the oxygen content and nitrogen content exceedes the percentage ratio of preset value, so as to control described first
The aperture of pipe switch 9 and second pipe switch 12, both can ensure that oxygen concentration in safety range, it is also ensured that showing tremendous enthusiasm
Torch does not extinguish.
Wherein, first coal gas transports and an oxygen content monitoring device 7 is provided with pipeline 4, the oxygen content inspection
Survey the oxygen content that the first coal gas described in device real-time monitoring transports the coal gas in pipeline 4.
Wherein, first coal gas to be transported and be connected with a nitrogen gas delivery-line 8 on pipeline 4, in the nitrogen gas delivery-line 8
The first pipe switch 9 is provided with, first pipe switch 9 is electrically connected with the oxygen content monitoring device 7.
Wherein, the oxygen content monitoring device 7 surpasses in the oxygen content that first coal gas transports the coal gas in pipeline 4
When crossing the first preset value, first pipe switch 9 is opened, and the nitrogen in the nitrogen gas delivery-line 8 enters first coal
Fate is sent in pipeline 4.
The first coal gas described in above-described embodiment of the present utility model transports and oxygen content monitoring dress is provided with pipeline 4
7 are put, for detecting that first coal gas transports in pipeline 4 oxygen content in coal gas, if the exceeded coal gas of oxygen content is by pipe
Road is lighted in the hot torch 3, with certain potential safety hazard, is susceptible to the danger such as blast, therefore when described first
When coal gas transports oxygen content in the coal gas in pipeline 4 more than the first preset value, the nitrogen gas delivery-line 8 is to described first
Coal gas transports supplying nitrogen in pipeline 4, plays diluting effect, reduces oxygen content, and first pipe switch 9 is adjustable
Section switch, with the increase of oxygen concentration, gradually increases the aperture of first pipe switch 9, it is ensured that the broken coal adds
The safety in operation of the gas safety processing system of pressure gasification furnace.
Wherein, first coal gas transports and nitrogen content monitoring device 10 is provided with pipeline 4, nitrogen content inspection
Survey nitrogen content that the first coal gas described in device real-time monitoring transports the coal gas in pipeline 4.
Wherein, first coal gas to be transported and be provided with a combustion-supporting gas conveyance conduit 11 on pipeline 4, and the combustion-supporting gas is defeated
Pipeline 11 is sent to be provided with second pipe switch 12, the second pipe switch 12 is electrically connected with nitrogen content monitoring device 10
Connect.
Wherein, nitrogen content monitoring device 10 transports nitrogen content of the coal gas in pipeline 4 in first coal gas
During more than the second preset value, the second pipe switch 12 is opened, and the combustion-supporting gas in the combustion-supporting gas conveyance conduit 11 enters
Enter first coal gas to transport in pipeline 4.
The first coal gas described in above-described embodiment of the present utility model transports and nitrogen content monitoring is additionally provided with pipeline 4
Device 10, for detecting that first coal gas transports the content of nitrogen in the coal gas in pipeline 4, because first coal gas is transported
Coal gas in pipeline 4 is conveyed to be lighted at the hot torch 3, it is therefore desirable to ensure that first coal gas is transported in pipeline 4
The combustibility of gas, and it is indifferent gas that the nitrogen gas delivery-line 8 transports the nitrogen conveyed in pipeline 4 to first coal gas
Body, not with combustibility, therefore also needs to carry out the gas that first coal gas is transported in pipeline 4 monitoring of nitrogen content,
If first coal gas transports nitrogen content of the coal gas in pipeline 4 more than the second preset value, close first pipeline and open
9 are closed, the second pipe switch 12 is opened, makes the combustion-supporting gas in the combustion-supporting gas conveyance conduit 11 enter first coal
Fate is sent in pipeline 4, increases the combustibility that first coal gas transports the gas in pipeline 4；Simultaneously the second pipe is switched
12 also have controllability, both can ensure that oxygen concentration in safety range, it is also ensured that hot torch is not extinguished.
Wherein, aerofluxuss lighting-up tuyere 13 is provided with the hot torch 3, is provided with the aerofluxuss lighting-up tuyere 13 and lights dress
Put, the coal gas in the gasification furnace 1 is transported in the hot torch 3 is discharged by the aerofluxuss lighting-up tuyere 13 burning.
The gas safety processing system of the crushed coal pressurized-gasification furnace described in above-described embodiment of the present utility model increases monitoring
Device, monitors the oxygen that first coal gas transports the mixed gas in pipeline 4, the content of nitrogen, by being arranged on the first coal
Fate send the nitrogen gas delivery-line 8 on pipeline 4 and combustion-supporting gas conveyance conduit 11 to adjust the gas that the first coal gas is transported in pipeline 4
Content, can effectively prevent in hot torch running due to the exceeded and caused explosion accident of oxygen content in coal gas；Simultaneously
Can solve in hot torch running due in coal gas the low and caused hot torch of fuel gas content extinguish brought environment
Pollution problem.
The above is preferred implementation of the present utility model, it is noted that for the ordinary skill of the art
For personnel, on the premise of without departing from principle described in the utility model, some improvements and modifications can also be made, these improvement
Protection domain of the present utility model is also should be regarded as with retouching.
Claims (9)
1. the gas safety processing system of a kind of crushed coal pressurized-gasification furnace, it is characterised in that include：
Gasification furnace, is provided with coal gas and transports mouth on the gasification furnace；
Hot torch, is provided with the first coal gas and transports pipeline between the hot torch and the gasification furnace, and first coal gas is transported
The first end and the coal gas for sending pipeline is transported mouth and is connected, and first coal gas transports the second end of pipeline and connects with the hot torch
Connect, the coal gas produced in the gasification furnace transports pipeline and is transported in the hot torch by first coal gas；
Rough coal gas pipe network, is provided with the second coal gas and transports pipeline, and described the between the rough coal gas pipe network and the gasification furnace
Two coal gas transport the first end and the coal gas of pipeline and transport mouth and be connecteds, the second end of second coal gas transport pipeline with it is described
Rough coal gas pipe network connects, and the raw gas produced in the gasification furnace transports pipeline and is transported to the rough coal by second coal gas
Gas pipe network.
2. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 1, it is characterised in that described first
Coal gas to be transported and be provided with a gas flow display device on pipeline.
3. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 1, it is characterised in that described first
Coal gas to be transported and be provided with an oxygen content monitoring device, the first coal described in the content of oxygen detecting device real-time monitoring on pipeline
Fate send the oxygen content of the coal gas in pipeline.
4. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 3, it is characterised in that described first
Coal gas to be transported and be connected with a nitrogen gas delivery-line on pipeline, and the first pipe switch is provided with the nitrogen gas delivery-line, described
First pipe switch is electrically connected with the oxygen content monitoring device.
5. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 4, it is characterised in that the oxygen
When the oxygen content of coal gas of the content monitoring device in first coal gas transport pipeline is more than the first preset value, described first
Pipe switch is opened, and the nitrogen in the nitrogen gas delivery-line enters first coal gas and transports in pipeline.
6. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 5, it is characterised in that described first
Coal gas to be transported and be provided with nitrogen content monitoring device, the first coal described in nitrogen content detection means real-time monitoring on pipeline
Fate send nitrogen content of the coal gas in pipeline.
7. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 6, it is characterised in that described first
Coal gas to be transported and be provided with a combustion-supporting gas conveyance conduit on pipeline, and the combustion-supporting gas conveyance conduit is provided with second pipe and opens
Close, the second pipe switch is electrically connected with nitrogen content monitoring device.
8. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 7, it is characterised in that the nitrogen
When nitrogen content of coal gas of the content monitoring device in first coal gas transport pipeline is more than the second preset value, described second
Pipe switch is opened, and the combustion-supporting gas in the combustion-supporting gas conveyance conduit enters first coal gas and transports in pipeline.
9. the gas safety processing system of crushed coal pressurized-gasification furnace according to claim 1, it is characterised in that described showing tremendous enthusiasm
Aerofluxuss lighting-up tuyere is provided with torch, firing device is provided with the aerofluxuss lighting-up tuyere, the coal gas in the gasification furnace is transported to
Discharged by aerofluxuss lighting-up tuyere burning in the hot torch.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621250007.XU CN206173274U (en) | 2016-11-14 | 2016-11-14 | Crushed coal pressure gasifier's coal gas safety processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621250007.XU CN206173274U (en) | 2016-11-14 | 2016-11-14 | Crushed coal pressure gasifier's coal gas safety processing system |
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| Publication Number | Publication Date |
|---|---|
| CN206173274U true CN206173274U (en) | 2017-05-17 |
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ID=58685863
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621250007.XU Expired - Fee Related CN206173274U (en) | 2016-11-14 | 2016-11-14 | Crushed coal pressure gasifier's coal gas safety processing system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626733A (en) * | 2018-05-07 | 2018-10-09 | 上海蓝科石化环保科技股份有限公司 | A kind of VOCs waste-gas burning systems and its process |
-
2016
- 2016-11-14 CN CN201621250007.XU patent/CN206173274U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108626733A (en) * | 2018-05-07 | 2018-10-09 | 上海蓝科石化环保科技股份有限公司 | A kind of VOCs waste-gas burning systems and its process |
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| Date | Code | Title | Description |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170517 Termination date: 20201114 |
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| CF01 | Termination of patent right due to non-payment of annual fee |