CN206308383U - A kind of blast furnace gas processing system - Google Patents
A kind of blast furnace gas processing system Download PDFInfo
- Publication number
- CN206308383U CN206308383U CN201621322469.8U CN201621322469U CN206308383U CN 206308383 U CN206308383 U CN 206308383U CN 201621322469 U CN201621322469 U CN 201621322469U CN 206308383 U CN206308383 U CN 206308383U
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- China
- Prior art keywords
- gas
- clean coal
- valve
- feed channel
- type dust
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- Expired - Fee Related
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P10/00—Technologies related to metal processing
- Y02P10/25—Process efficiency
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- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
A kind of blast furnace gas processing system, belong to metallurgical technology field, purpose is the processing cost for reducing blast furnace gas, its technical scheme is, composition includes dry bag-type dust remover, TRT units, raw coke oven gas valve, clean coal air valve and relief valve, the air inlet of the dry bag-type dust remover is connected by raw coke oven gas valve with raw coke oven gas pipeline, and gas outlet is connected by clean coal air valve with clean coal feed channel；The air inlet of the TRT units is connected with clean coal feed channel, and gas outlet connects user's low pressure clean coal feed channel；The air inlet of the relief valve connects the coal gas diffusion pipe of dry bag-type dust remover, and gas outlet connects user's low pressure clean coal feed channel by relief tube.The utility model carries out reverse gas cleaning using the purified gas with convenient pressure in clean coal feed channel to dust-collecting bag, ash-removal effect can not only be ensured, and gas pressurized equipment need not be increased, dust-collecting bag will not be damaged, also in the absence of the waste of resource, so as to reduce the processing cost of blast furnace gas.
Description
Technical field
The utility model is related to the device that a kind of blast furnace gas to being produced in ironmaking processes carries out dedusting and is depressured, and belongs to
Metallurgical technology field.
Background technology
Blast furnace gas is the byproduct of generation in ironmaking processes, typically after bag-type dust, step-down for users to use.Mesh
Before, the dry-method bag-type dust collecting device used by coal gas dust removal mainly removes the ash accumulated on cloth bag using pulse backblowing deashing technique
Dirt, source of the gas generally uses nitrogen or purified gas.Need to pressurize nitrogen or purified gas during deashing, cool down, be dehydrated and pressure regulation,
The pressure of gas is reached 0.35-0.5MPa, then recycle gases at high pressure to carry out reverse gas cleaning to cloth bag.This deashing side
Method not only needs to configure necessary gas pressurized equipment, and because gas pressure is higher, can also cause great impact to cloth bag
And abrasion, easily there is quick-fried bag phenomenon, cause the increase of cost of equipment maintenance.Additionally, during using nitrogen deashing, the nitrogen after blowback
Gas is directly discharged into air after filtering, causes the waste of resource, and then causes the increase of coal gas processing cost.
Utility model content
The purpose of this utility model is the drawback for prior art, there is provided a kind of blast furnace gas processing system, to drop
The processing cost of low blast furnace gas.
Problem described in the utility model is realized with following technical proposals：
A kind of blast furnace gas processing system, composition includes dry bag-type dust remover, TRT units, raw coke oven gas valve, clean coal
Air valve and relief valve, the air inlet of the dry bag-type dust remover are connected by raw coke oven gas valve with raw coke oven gas pipeline, outlet
Mouth is connected by clean coal air valve with clean coal feed channel；The air inlet of the TRT units is connected with clean coal feed channel, and gas outlet connects
User's low pressure clean coal feed channel；The air inlet of the relief valve connects the coal gas diffusion pipe of dry bag-type dust remover, and gas outlet passes through
Relief tube connects user's low pressure clean coal feed channel.
Above-mentioned blast furnace gas processing system, the coal gas diffusion pipe of the dry bag-type dust remover by gas bleeding valve with it is big
Gas is connected.
The utility model carries out blowback using the purified gas with convenient pressure in clean coal feed channel to dust-collecting bag
Deashing, can not only ensure ash-removal effect, and need not increase gas pressurized equipment, will not damage dust-collecting bag, also not
There is the waste of resource, so as to reduce the processing cost of blast furnace gas.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
In figure it is each marked as：1st, raw coke oven gas pipeline, 2, raw coke oven gas valve, 3, dry bag-type dust remover, 4, coal gas diffusion pipe,
5th, gas bleeding valve, 6, relief valve, 7, relief tube, 8, clean coal air valve, 9, clean coal feed channel, 10, TRT units, 11, user it is low
Pressure clean coal feed channel, 12, dust-collecting bag.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings.
Referring to Fig. 1, the utility model mainly includes raw coke oven gas valve 2, dry bag-type dust remover 3, coal gas diffusion pipe 4, coal
Gas diffusion valve 5, relief valve 6, relief tube 7, clean coal air valve 8, clean coal feed channel 9 and TRT units 10.Wherein, relief valve 6 and let out
Pressure pipe 7 is only used in reverse gas cleaning, and its effect is the internal pressure for reducing dry bag-type dust remover 3, makes it below purified gas
Pressure in pipeline 9, so that the coal gas in clean coal feed channel 9 can be flowed back in dry bag-type dust remover 3.
The workflow of utility model is as follows：
1）Normal workflow is：Raw coke oven gas in raw coke oven gas pipeline 1 enters dry bag-type dedusting by raw coke oven gas valve 2
Device 3, the raw coke oven gas removing dust device cloth bag 12 of pressure about 0.16MPa turns into purified gas after processing, then by the He of clean coal air valve 8
Clean coal feed channel 9 enters TRT units 10, and the pressure of purified gas is reduced to 0.02MPa or so by TRT units 10 from 0.16MPa, finally
Feeding user's low pressure clean coal feed channel 11 is for users to use.
2）The workflow of reverse gas cleaning is：Raw coke oven gas valve 2 is first shut off, forbids raw coke oven gas to enter dry bag-type dedusting
Device 3, turns off clean coal air valve 8, dry bag-type dust remover 3 is in air-tight state, and inside pressure is 0.16MPa or so；Then
Relief valve 6 is opened, the internal pressure of dry bag-type dust remover 3 is dropped to 0.05MPa or so, relief valve 6 is closed afterwards；Beat again
Clean coal air valve 8 is opened, the pressure in clean coal feed channel 9 is carried out instead to dust-collecting bag 12 for the purified gas of 0.16Mpa flows backwards
Blowing-out ash.
The utility model has the characteristics that：
1）Using the purified gas after dedusting as dry bag-type dust remover reverse gas cleaning source of the gas, it is to avoid the wave of nitrogen resource
Take；
2）It is not required to carry out pressurized treatments to purified gas, reduces impact and abrasion to dust-collecting bag, has saved equipment
Maintenance cost；
3）Process is simple, reasonable in design, input and operating cost are low, are suitable to popularization and application.
Claims (2)
1. a kind of blast furnace gas processing system, it is characterized in that, composition includes dry bag-type dust remover（3）, TRT units（10）、
Raw coke oven gas valve（2）, clean coal air valve（8）And relief valve（6）, the dry bag-type dust remover（3）Air inlet pass through waste coal
Air valve（2）With raw coke oven gas pipeline（1）It is connected, gas outlet passes through clean coal air valve（8）With clean coal feed channel（9）It is connected；It is described
TRT units（10）Air inlet and clean coal feed channel（9）Connection, gas outlet connects user's low pressure clean coal feed channel（11）；It is described to let out
Pressure valve（6）Air inlet connect dry bag-type dust remover（3）Coal gas diffusion pipe（4）, gas outlet passes through relief tube（7）Meet user low
Pressure clean coal feed channel（11）.
2. a kind of blast furnace gas processing system according to claim 1, it is characterized in that, the dry bag-type dust remover（3）
Coal gas diffusion pipe（4）By gas bleeding valve（5）With atmosphere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322469.8U CN206308383U (en) | 2016-12-05 | 2016-12-05 | A kind of blast furnace gas processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621322469.8U CN206308383U (en) | 2016-12-05 | 2016-12-05 | A kind of blast furnace gas processing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206308383U true CN206308383U (en) | 2017-07-07 |
Family
ID=59251266
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621322469.8U Expired - Fee Related CN206308383U (en) | 2016-12-05 | 2016-12-05 | A kind of blast furnace gas processing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206308383U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395487A (en) * | 2018-12-26 | 2019-03-01 | 山东钢铁股份有限公司 | A kind of furnace cloth bag dust-removing equipment |
| CN110016530A (en) * | 2019-05-06 | 2019-07-16 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace gas all dry purification system and its process flow |
| CN110305998A (en) * | 2019-06-28 | 2019-10-08 | 武汉钢铁有限公司 | The online regulation method and device of S content in a kind of reduction blast furnace gas |
-
2016
- 2016-12-05 CN CN201621322469.8U patent/CN206308383U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109395487A (en) * | 2018-12-26 | 2019-03-01 | 山东钢铁股份有限公司 | A kind of furnace cloth bag dust-removing equipment |
| CN110016530A (en) * | 2019-05-06 | 2019-07-16 | 中冶赛迪工程技术股份有限公司 | A kind of blast furnace gas all dry purification system and its process flow |
| CN110016530B (en) * | 2019-05-06 | 2024-02-23 | 中冶赛迪工程技术股份有限公司 | Blast furnace gas full-dry purification system and process flow thereof |
| CN110305998A (en) * | 2019-06-28 | 2019-10-08 | 武汉钢铁有限公司 | The online regulation method and device of S content in a kind of reduction blast furnace gas |
| CN110305998B (en) * | 2019-06-28 | 2021-03-16 | 武汉钢铁有限公司 | Online regulation and control method and device for reducing S content in blast furnace gas |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 064302 three Qianxi Town, Qianxi County, Hebei Patentee after: HEBEI JINXI IRON AND STEEL GROUP HEAVY INDUSTRY TECHNOLOGY Co.,Ltd. Address before: 064302 three Qianxi Town, Qianxi County, Hebei Patentee before: Hebei Jinxi Steel Group Dafang Industry Technology Co.,Ltd. |
|
| CP01 | Change in the name or title of a patent holder | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170707 Termination date: 20211205 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |