CN208151308U - Fluidized-bed gasification furnace gasifying agent system - Google Patents
Fluidized-bed gasification furnace gasifying agent system Download PDFInfo
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- CN208151308U CN208151308U CN201820488965.3U CN201820488965U CN208151308U CN 208151308 U CN208151308 U CN 208151308U CN 201820488965 U CN201820488965 U CN 201820488965U CN 208151308 U CN208151308 U CN 208151308U
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- gasifying agent
- fluidized
- gasification furnace
- bed gasification
- inlet pipe
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Abstract
The utility model discloses a kind of fluidized-bed gasification furnace gasifying agent systems, it includes fluidized-bed gasification furnace, the furnace body of fluidized-bed gasification furnace is equipped with distribution grid gasifying agent inlet pipe, the outlet of distribution grid gasifying agent inlet pipe is placed in the gas chamber of fluidized-bed gasification furnace, and the import of central tube is connect with central tube gasifying agent inlet pipe.The utility model has the advantage of by CO2As a part of gasifying agent, by with O2It is delivered to after mixing in process bed gasification furnace, on the one hand can reduce O2Dosage, reduce system production cost, while CO2Inhibit CO during gasification reaction2Production, and CO is promoted to produce, gasification efficiency is improved, is improved resource utilization；By CO2It is delivered in fluidized-bed gasification furnace as gasifying agent a part and is utilized again, reduce CO2Discharge amount reduces environmental protection of enterprise financial burden.
Description
Technical field：
The utility model relates to coal chemical technology, in particular to a kind of fluidized-bed gasification furnace gasifying agent system.
Background technique：
Currently, fluidized-bed gasification furnace generally uses oxygen and steam as gasifying agent, gasifying agent is delivered in gasification furnace
Gasification reaction occurs under the high temperature conditions with coal dust, to generate raw gas.CO in raw gas2Content is 32-37%, wherein
In addition to small part is recycled, most CO2It is released in atmospheric environment, exists in the process following with release gas
Problem：1, during entire gasification reaction, the carbon in coal dust is not completely converted into fuel gas, and a part of coal dust turns
Turn to CO2, gasification efficiency is not high, and the wasting of resources is more serious；2,CO2As a kind of greenhouse gases, it is directly discharged to atmospheric environment
In can aggravate greenhouse effects, do not meet the requirement of environmentally friendly main trend at present, enterprise needs therefore to undertake higher environmental protection and economy negative
Load.
Utility model content：
The purpose of this utility model is to provide a kind of raising gasification efficiency, reduce the wasting of resources, reduction environmental protection of enterprise warp
The fluidized-bed gasification furnace gasifying agent system for burden of helping.
The utility model is implemented by following technical solution：Fluidized-bed gasification furnace gasifying agent system comprising fluidized gasification
The furnace body of furnace, the fluidized-bed gasification furnace is equipped with distribution grid gasifying agent inlet pipe, and the outlet of the distribution grid gasifying agent inlet pipe is set
In in the gas chamber of the fluidized-bed gasification furnace, the import of the central tube is connect with central tube gasifying agent inlet pipe, the distribution grid
The import of gasifying agent inlet pipe, the import of the central tube gasifying agent inlet pipe pass through gasifying agent pipeline respectively and mix with a gasifying agent
Device connects, and is connected with oxygen pipeline, steam pipe line and CO on the gasifying agent mixing arrangement2Pipeline, the gasifying agent pipeline
It is equipped with control valve, the oxygen pipeline, the steam pipe line and the CO2A regulating valve is respectively equipped on pipeline.
Further, distribution grid is equipped in the fluidized-bed gasification furnace, the fluidized bed is protruded into the outlet of the central tube
In the distribution grid of gasification furnace, the import of the central tube is placed in outside the fluidized-bed gasification furnace.
Further, the gasifying agent mixing arrangement is static mixer.
The advantages of the utility model：1, by CO2As a part of gasifying agent, by with O2Process bed is delivered to after mixing
In gasification furnace, O on the one hand can be reduced2Dosage, reduce system production cost, while CO2Inhibit during gasification reaction
CO2Production, and CO is promoted to produce, gasification efficiency is improved, is improved resource utilization；2, by CO2It is a part of defeated as gasifying agent
It send to being utilized in fluidized-bed gasification furnace again, reduces CO2Discharge amount reduces environmental protection of enterprise financial burden；3, gasify
Agent is delivered to the fluidisation state that the bed material that distribution grid and central tube are more advantageous in fluidized-bed gasification furnace remains splendid simultaneously, to drop
Low clinker remaining carbon improves economical operation benefit；Simultaneously fluidized-bed gasification furnace anti-interference ability also can be improved, coal amount,
Steam usage amount, oxygen usage amount and CO2When usage amount fluctuation or active accommodation, fluidized-bed gasification furnace operating condition is influenced relatively
It is small, it is able to maintain long period, stable operation.
Detailed description of the invention：
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is some embodiments of the utility model, for those of ordinary skill in the art, in the premise not made the creative labor
Under, it is also possible to obtain other drawings based on these drawings.
Fig. 1 is Tthe utility model system overall structure diagram.
Fluidized-bed gasification furnace 1, distribution grid 2, distribution grid gasifying agent inlet pipe 3, gas chamber 4, central tube 5, central tube gasifying agent into
Pipe 6, gasifying agent pipeline 7, gasifying agent mixing arrangement 8, oxygen pipeline 9, steam pipe line 10, CO2Pipeline 11, control valve 12 are adjusted
Valve 13.
Specific embodiment：
As shown in Figure 1, fluidized-bed gasification furnace gasifying agent system comprising fluidized-bed gasification furnace 1, in fluidized-bed gasification furnace 1
Equipped with distribution grid 2, the outlet of central tube 5 is protruded into the distribution grid 2 of fluidized-bed gasification furnace 1, and the import of central tube 5 is placed in fluidized bed
Outside gasification furnace 1；The furnace body of fluidized-bed gasification furnace 1 is equipped with distribution grid gasifying agent inlet pipe 3, the outlet of distribution grid gasifying agent inlet pipe 3
It is placed in the gas chamber 4 of fluidized-bed gasification furnace 1, the import of central tube 5 is connect with central tube gasifying agent inlet pipe 6, distribution grid gasifying agent
The import of inlet pipe 3, the import of central tube gasifying agent inlet pipe 6 pass through gasifying agent pipeline 7 respectively and a gasifying agent mixing arrangement 8 connects
It connects, gasifying agent mixing arrangement 8 is for mixing CO2、O2And steam, gasifying agent mixing arrangement 8 is static mixing in the present embodiment
Device, static mixer can be by CO2、O2It is efficiently mixed with steam；It is connected with oxygen pipeline 9 on gasifying agent mixing arrangement 8, steams
Steam pipe line 10 and CO2Pipeline 11, gasifying agent pipeline 7 are equipped with control valve 12, and control valve 12 enters fluidized gasification for adjusting
The flow of gasifying agent in furnace 1；Oxygen pipeline 9, steam pipe line 10 and CO2It is respectively equipped with a regulating valve 13 on pipeline 11, three
A regulating valve 13 is respectively used to adjust the CO entered in gasifying agent mixing arrangement 82、O2And the amount of steam.
The course of work：
When fluidized-bed gasification furnace 1 needs gasifying agent for seasonable, O2, steam and CO2Pass through oxygen pipeline 9, steam pipe line respectively
10 and CO2Pipeline 11 enters in gasifying agent mixing arrangement 8, the CO in gasifying agent mixing arrangement 82、O2It is efficiently mixed with steam
And gasifying agent is formed, gasifying agent is delivered to the distribution grid gasifying agent inlet pipe 3 of fluidized-bed gasification furnace 1, center by gasifying agent pipeline 7
In pipe gasifying agent inlet pipe 6, and fluidized-bed gasification furnace is entered by distribution grid gasifying agent inlet pipe 3, central tube gasifying agent inlet pipe 6 respectively
In 1 distribution grid 2 and central tube 5, gasification reaction is carried out with the coal dust in fluidized-bed gasification furnace 1.In above process, by CO2
As a part of gasifying agent, by with O2And be delivered in process bed gasification furnace after steam mixing, it on the one hand can reduce O2With
The dosage of steam reduces system production cost, while CO2Inhibit CO during gasification reaction2Production, and CO is promoted to produce, it mentions
High gasification efficiency, improves resource utilization；CO2In gasification system, by CO2It is conveyed as gasifying agent a part
It is utilized again in process bed gasification furnace, reduces CO2Discharge amount reduces environmental protection of enterprise financial burden；Gasifying agent is same
When be delivered to the fluidisation state that the bed material that distribution grid 5 and central tube 6 are more advantageous in fluidized-bed gasification furnace 1 remains splendid, to drop
Low clinker remaining carbon improves economical operation benefit；Simultaneously 1 anti-interference ability of fluidized-bed gasification furnace also can be improved, coal amount,
Steam usage amount, oxygen usage amount and CO2When usage amount fluctuation or active accommodation, 1 operating condition of fluidized-bed gasification furnace is influenced opposite
It is smaller, it is able to maintain long period, stable operation.
The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this
Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model
Protection scope within.
Claims (3)
1. fluidized-bed gasification furnace gasifying agent system, which is characterized in that it includes fluidized-bed gasification furnace, the fluidized-bed gasification furnace
Furnace body is equipped with distribution grid gasifying agent inlet pipe, and the outlet of the distribution grid gasifying agent inlet pipe is placed in the gas of the fluidized-bed gasification furnace
The import of interior, central tube is connect with central tube gasifying agent inlet pipe, the import of the distribution grid gasifying agent inlet pipe, the central tube
The import of gasifying agent inlet pipe passes through gasifying agent pipeline respectively and connect with a gasifying agent mixing arrangement, the gasifying agent mixing arrangement
On be connected with oxygen pipeline, steam pipe line and CO2Pipeline, the gasifying agent pipeline are equipped with control valve, the oxygen pipeline, institute
State steam pipe line and the CO2A regulating valve is respectively equipped on pipeline.
2. fluidized-bed gasification furnace gasifying agent system according to claim 1, which is characterized in that in the fluidized-bed gasification furnace
Equipped with distribution grid, the outlet of the central tube is protruded into the distribution grid of the fluidized-bed gasification furnace, and the import of the central tube is set
In outside the fluidized-bed gasification furnace.
3. fluidized-bed gasification furnace gasifying agent system according to claim 2, which is characterized in that the gasifying agent mixing arrangement
For static mixer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488965.3U CN208151308U (en) | 2018-04-08 | 2018-04-08 | Fluidized-bed gasification furnace gasifying agent system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820488965.3U CN208151308U (en) | 2018-04-08 | 2018-04-08 | Fluidized-bed gasification furnace gasifying agent system |
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| CN208151308U true CN208151308U (en) | 2018-11-27 |
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| CN201820488965.3U Active CN208151308U (en) | 2018-04-08 | 2018-04-08 | Fluidized-bed gasification furnace gasifying agent system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055109A (en) * | 2018-04-08 | 2019-07-26 | 新能能源有限公司 | Fluidized-bed gasification furnace gasifying agent conveyance control method and system |
| GB2585643A (en) * | 2019-07-08 | 2021-01-20 | Lfeog Ltd | Methods and systems for gasification of hydrocarbonaceous feedstocks |
-
2018
- 2018-04-08 CN CN201820488965.3U patent/CN208151308U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110055109A (en) * | 2018-04-08 | 2019-07-26 | 新能能源有限公司 | Fluidized-bed gasification furnace gasifying agent conveyance control method and system |
| CN110055109B (en) * | 2018-04-08 | 2024-05-03 | 新能能源有限公司 | Gasifying agent conveying control method and system for fluidized bed gasifier |
| GB2585643A (en) * | 2019-07-08 | 2021-01-20 | Lfeog Ltd | Methods and systems for gasification of hydrocarbonaceous feedstocks |
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