CN201046969Y - Revolving furnace coal gas recovery utilizing system - Google Patents
Revolving furnace coal gas recovery utilizing system Download PDFInfo
- Publication number
- CN201046969Y CN201046969Y CNU2007200381013U CN200720038101U CN201046969Y CN 201046969 Y CN201046969 Y CN 201046969Y CN U2007200381013 U CNU2007200381013 U CN U2007200381013U CN 200720038101 U CN200720038101 U CN 200720038101U CN 201046969 Y CN201046969 Y CN 201046969Y
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- China
- Prior art keywords
- coal gas
- converter
- blast furnace
- gas
- furnace gas
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- 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.)
- Expired - Fee Related
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- 239000003034 coal gas Substances 0.000 title claims abstract description 105
- 238000011084 recovery Methods 0.000 title claims abstract description 15
- 238000002156 mixing Methods 0.000 claims abstract description 4
- 238000003723 Smelting Methods 0.000 abstract description 2
- 238000002485 combustion reaction Methods 0.000 abstract 1
- 239000003245 coal Substances 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Classifications
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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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- Carbon Steel Or Casting Steel Manufacturing (AREA)
Abstract
The utility model relates to a smelting coal gas recovery system, in particular to a converter coal gas recovery and utilization system. The utility model mainly solves the technical problem of high recovery cost of the converter coal gas. The technical proposal is that: a converter coal gas recovery and utilization system includes a plurality of blast furnace coal gas pipelines, a converter coal gas main pipe is communicated with a converter coal gas connecting pipe, one blast furnace coal gas pipeline is connected with an all blast furnace gas fired boiler, the other blast furnace coal gas pipeline is connected with a plurality of blending blast furnace coal-fired boilers, converter coal gas isolating doors are arranged between the blast furnace coal gas pipelines and the converter coal gas connecting pipe, the converter coal gas main pipe is provided with a converter coal gas main isolating door, a converter coal gas main pipe pressure measuring point is arranged on the converter coal gas connecting pipe, all blast furnace gas fired boiler blast furnace coal gas pipe pressure measuring points are arranged between the blast furnace coal gas pipelines and the all blast furnace gas fired boiler, and boiler blast furnace coal gas pipe pressure measuring points are arranged between the blast furnace coal gas pipelines and each blending blast furnace coal-fired boiler. The utility model is used for sending the converter coal gas to the boiler blast furnace coal gas burner for combustion.
Description
Technical field:
The utility model relates to a kind of recovery system of smelting coal gas, and particularly a kind of RECOVERY OF CONVERTER GAS is utilized system.Utilize coal gas of converter than boiler blast furnace gas system pressure height, and many boiler blast furnace gas line pressure differences, directly coal gas of converter to be sneaked in the many boiler blast furnace gas pipes, coal gas of converter is sent into the boiler blast furnace gas burner with blast furnace gas and is burnt.
Background technology:
In order to improve the recycling amount of coal gas of converter, domestic each big steel enterprise competitively reclaims and utilizes coal gas of converter now, and on the boiler systems and on the coal gas airing system, the employing diverse ways reclaims coal gas of converter and utilizes.Concrete mode: boiler uses independently that pipeline send boiler, has designed special coal gas of converter burner on the boiler; Coal gas of converter and other coal gas premix in early stage certainly will need increase equipment input like this, have increased cost recovery.
The utility model content: the purpose of this utility model provides a kind of RECOVERY OF CONVERTER GAS and utilizes system, mainly solves the high technical problem of RECOVERY OF CONVERTER GAS cost.
The utility model is to utilize the blast furnace gas terminal user, low different with pressure of many blast furnace gas line pressures of many boilers, and the system pressure difference of utilizing coal gas of converter and blast furnace gas, directly coal gas of converter is sneaked in many blast furnace gas pipelines of boiler, simply, effectively reclaim and utilized coal gas of converter.
The utility model is realized by following technical scheme: a kind of RECOVERY OF CONVERTER GAS is utilized system, comprise many blast furnace gas pipelines, coal gas of converter house steward and coal gas of converter pipe connecting are communicated with, a blast furnace gas pipeline connects the fully burning blast-furnace gas boiler, another root blast furnace gas pipeline connects many and mixes the burning blast-furnace gas boiler, between blast furnace gas pipeline and coal gas of converter pipe connecting, be provided with the isolated door of coal gas of converter, be provided with the always isolated door of coal gas of converter the coal gas of converter house steward, on the coal gas of converter pipe connecting, be provided with coal gas of converter house steward pressure-measuring-point, between blast furnace gas pipeline and fully burning blast-furnace gas boiler, be provided with fully burning blast-furnace gas boiler blast furnace gas pipe pressure measuring point, mix in blast furnace gas pipeline and each and to be provided with boiler blast furnace gas pipe pressure measuring point between the burning blast-furnace gas boiler, the pipeline diameter of gas line and coal gas of converter pipe connecting is set according to the affluence amount of coal gas of converter.
The beneficial effects of the utility model are:
1) many steam shops reclaim, utilize coal gas of converter by the blast furnace gas pipeline;
2) utilize the system pressure difference of coal gas of converter and boiler blast furnace gas pipeline, coal gas of converter is sneaked into boiler blast furnace gas pipe;
3) directly sending into the boiler blast furnace gas burner uses;
4) novel structure, less investment;
5) fabrication and installation are simple, safe and reliable.
Description of drawings:
Accompanying drawing is the utility model structural representation
Among the figure: the 1-1# blast furnace gas pipeline; The 2-2# blast furnace gas main pipe; 3-coal gas of converter pipe connecting; 4-fully burning blast-furnace gas boiler; 5-1# mixes the burning blast-furnace gas boiler; 6-2# mixes the burning blast-furnace gas boiler; 7-3# mixes the burning blast-furnace gas boiler; The isolated door of 8-1# coal gas of converter; The isolated door of 9-2# coal gas of converter; 10-coal gas of converter house steward; The always isolated door of 11-coal gas of converter; 12-coal gas of converter house steward pressure-measuring-point; 13-fully burning blast-furnace gas steam coal tracheal pressure measuring point; 14-1# mixed burning boiler blast furnace gas pipe pressure measuring point; 15-2# mixed burning boiler blast furnace gas pipe pressure measuring point; 16-3# mixed burning boiler blast furnace gas pipe pressure measuring point.
Embodiment:
With reference to accompanying drawing, a kind of RECOVERY OF CONVERTER GAS is utilized system, comprise 2 blast furnace gas pipelines, coal gas of converter house steward 10 and coal gas of converter pipe connecting 3 are communicated with, 2# blast furnace gas main pipe 2 connects fully burning blast-furnace gas boiler 4,1# blast furnace gas pipeline 1 connects 1# respectively and mixes burning blast-furnace gas boiler 5,2# mixes burning blast-furnace gas boiler 6,3# mixes burning blast-furnace gas boiler 7, between 2# blast furnace gas main pipe 2 and coal gas of converter pipe connecting 3, be provided with the isolated door 8 of 1# coal gas of converter, between 1# blast furnace gas pipeline 1 and coal gas of converter pipe connecting 3, be provided with the isolated door 9 of 2# coal gas of converter, on coal gas of converter house steward 10, be provided with the always isolated door 11 of coal gas of converter, on coal gas of converter pipe connecting 3, be provided with coal gas of converter house steward pressure-measuring-point 12, between 2# blast furnace gas main pipe 2 and fully burning blast-furnace gas boiler 4, be provided with fully burning blast-furnace gas boiler blast furnace gas pipe pressure measuring point 13, mix burning blast-furnace gas boiler 5 1# blast furnace gas pipeline 1 and 3,6, be provided with 3 mixed burning boiler blast furnace gas pipe pressure measuring points 14 between 7,15,16, just often many boilers move simultaneously, under the blast furnace gas regular supply condition, 1# blast furnace gas pipeline 1 supply 1#, 2#, 3# mixes burning blast-furnace gas boiler 5,6,7,2# blast furnace gas main pipe 2 supply fully burning blast-furnace gas boilers 4, many boilers also can have many pipelines, according to what of the surplus of coal gas of converter, isolated door 8 of 1# coal gas of converter and the isolated door 9 of 2# coal gas of converter are opened in decision, wherein open a door or two standard-sized sheets; The one, know by gas dispatching how many coal gas of converter need reclaim surplus, two can be by coal gas of converter house steward pressure-measuring-point 12 and fully burning blast-furnace gas steam coal tracheal pressure measuring point 13,1# boiler blast furnace gas pipe pressure measuring point 14,2# boiler blast furnace gas pipe pressure measuring point 15,3# boiler blast furnace gas pipe pressure measuring point 16 grades compare, when the coal gas of converter amount is big, coal gas of converter house steward pressure-measuring-point 12 pressure height, with each pressure-measuring- point 13,14,15,16 blast furnace gas pressure difference values are big, isolated door 8 of 1# coal gas of converter and the isolated door of 2# coal gas of converter 9 standard-sized sheets, when coal gas of converter house steward pressure-measuring-point 12 pressure low, with each pressure-measuring- point 13,14,15,16 blast furnace gas pressure are approaching, the rich amount of meaning coal gas of converter is few, close isolated door 8 of 1# coal gas of converter or the isolated door 9 of 2# coal gas of converter, if coal gas of converter house steward pressure-measuring-point 12 pressure further descend, in order to prevent the blast furnace gas backward flow problem, the isolated door 8 of complete shut-down, 9, if, converter system overhauls, and the always isolated door 11 of coal gas of converter is closed.So, guarantee whenever coal gas of converter has surplus to recycle.What deserves to be mentioned is that under the basic zero release of the present blast furnace gas of Mei Shan, boiler blast furnace gas pipe is pressed low relatively, utilizes present method better effects if.
When actual installation, the isolated door 8 of 1# coal gas of converter, 2# coal gas of converter are installed isolated 9 at 1# blast furnace gas pipeline 1 and 2# blast furnace gas main pipe 2 difference press and open holes, two isolated doors can be electronic or manual, and isolated door 8 of 1# coal gas of converter and the isolated door 9 of 2# coal gas of converter connected with coal gas of converter pipe connecting 3, coal gas of converter passes through the switch that the 1# coal gas of converter completely cuts off door 8 and the isolated door 9 of 2# coal gas of converter by coal gas of converter pipe connecting 3, difference or while and 1# blast furnace gas pipeline 1 and 2# blast furnace gas main pipe 2 UNICOMs.Coal gas of converter pipe connecting 3 bases are different with the coal gas of converter amount of the different inputs of pressure reduction of 1# blast furnace gas pipeline 1 and 2# blast furnace gas main pipe 2, isolated door 8 of 1# coal gas of converter and the isolated door 9 of 2# coal gas of converter pass through switch, also isolated effect is perhaps played in the adjustment that can carry out flow.Coal gas of converter house steward upward pressure measuring point 12, and fully burning blast-furnace gas steam coal tracheal pressure measuring point 13,1# boiler blast furnace gas pipe pressure point 14,2# boiler blast furnace gas pipe pressure point 15,3# boiler blast furnace gas pipe pressure point 16, be the foundation that the actual blending of boiler operatiopn view-point and coal gas is adjusted.
Claims (2)
1. a RECOVERY OF CONVERTER GAS is utilized system, comprise many blast furnace gas pipelines, it is characterized in that: coal gas of converter house steward and coal gas of converter pipe connecting are communicated with, a blast furnace gas pipeline connects the fully burning blast-furnace gas boiler, another root blast furnace gas pipeline connects a plurality of burning blast-furnace gas boilers of mixing, between blast furnace gas pipeline and coal gas of converter pipe connecting, be provided with the isolated door of coal gas of converter, be provided with the always isolated door of coal gas of converter the coal gas of converter house steward.
2. a kind of RECOVERY OF CONVERTER GAS according to claim 1 is utilized system, it is characterized in that: on the coal gas of converter pipe connecting, be provided with coal gas of converter house steward pressure-measuring-point, between blast furnace gas pipeline and fully burning blast-furnace gas boiler, be provided with fully burning blast-furnace gas boiler blast furnace gas pipe pressure measuring point, mix in blast furnace gas pipeline and each and be provided with boiler blast furnace gas pipe pressure measuring point between the burning blast-furnace gas boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200381013U CN201046969Y (en) | 2007-05-31 | 2007-05-31 | Revolving furnace coal gas recovery utilizing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200381013U CN201046969Y (en) | 2007-05-31 | 2007-05-31 | Revolving furnace coal gas recovery utilizing system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201046969Y true CN201046969Y (en) | 2008-04-16 |
Family
ID=39299544
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200381013U Expired - Fee Related CN201046969Y (en) | 2007-05-31 | 2007-05-31 | Revolving furnace coal gas recovery utilizing system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201046969Y (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598511B (en) * | 2008-06-04 | 2011-05-04 | 中冶赛迪工程技术股份有限公司 | Gas cooling system |
| CN105349724A (en) * | 2015-12-03 | 2016-02-24 | 江苏永钢集团有限公司 | Converter gas blending combustion device for hot blast furnaces |
-
2007
- 2007-05-31 CN CNU2007200381013U patent/CN201046969Y/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101598511B (en) * | 2008-06-04 | 2011-05-04 | 中冶赛迪工程技术股份有限公司 | Gas cooling system |
| CN105349724A (en) * | 2015-12-03 | 2016-02-24 | 江苏永钢集团有限公司 | Converter gas blending combustion device for hot blast furnaces |
| CN105349724B (en) * | 2015-12-03 | 2018-02-02 | 江苏永钢集团有限公司 | Coal gas of converter mingled burning installation for hot-blast stove |
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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: 20080416 Termination date: 20160531 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |