CN201250238Y - Integrated iron and steel device for comprehensive utilization of waste-heat - Google Patents
Integrated iron and steel device for comprehensive utilization of waste-heat Download PDFInfo
- Publication number
- CN201250238Y CN201250238Y CNU2008200997509U CN200820099750U CN201250238Y CN 201250238 Y CN201250238 Y CN 201250238Y CN U2008200997509 U CNU2008200997509 U CN U2008200997509U CN 200820099750 U CN200820099750 U CN 200820099750U CN 201250238 Y CN201250238 Y CN 201250238Y
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model discloses an integrated iron and steel device for comprehensive utilization of waste-heat, which comprises a sintering device, a coking device, an iron making device, a steelmaking device and a steel rolling device, wherein the sintering device, the coking device, the steelmaking device and the steel rolling device are respectively provided with supporting steam generation equipment and turbo generator sets. The steam produced by each device of the utility model is not transported through pipe networks, therefore, the steam radiating caused by transportation links is reduced, the steam can be directly used as generating energy so that the adequate and effective utilization of steam is realized, meanwhile, the planning of steel mill areas tends to be simple, the design, construction and maintenance cost of the pipe networks are saved, By utilizing the existing waste-heat for power generation, the zero fuel cost of the power generation is actually zero, therefore, the environment effectiveness of reducing carbon dioxide emission is realized while the economic value is created.
Description
Technical field
The utility model relates to the iron and steel machinery, particularly the iron and steel machinery of residual heat integrative utilization.
Background technology
Iron And Steel Industry is as the basic industry of national economy, it is the basic substance of development national economy and national defense construction, raising to expanding economy and living standards of the people plays an important role, do not have the modern industry civilization without Iron And Steel Industry, the level of metallurgical industry also is to weigh the sign of an industrialization of the country.Iron And Steel Industry is the industry of high energy consumption, high water consumption, high pollution, is the rich and influential family of the energy, resource consumption, pollutant emission.
Steel mill mainly comprises agglomerating plant, pelletizing device, coker, iron-smelting device, steel-making device, rolling unit and a series of supplementary unit, and wherein very most of device can produce a large amount of waste heats.In the prior art, steel mill's on-site is arranged a large amount of steam pipe systems, is used for the conveying of the steam of device by utilizing waste heat generation.This conveying flow process because long flow path, bend pipe is many, process procedure is complicated, causes that steam dispels the heat, drag losses is very big; Because the parameter of each device generation steam is inconsistent, make steam flow smooth and easy inadequately simultaneously.
According to " State Council is about strengthening the decision of energy conservation " issued by the State Council, energy conservation has been brought up to and has been implemented the Scientific Outlook on Development, and promotes the height of economic society All-round, Coordinated and Sustainable Development.Cut down the consumption of energy, improve efficiency of energy utilization, become the major measure that improves iron and steel enterprise's competitive power.
Therefore, need transform steel mill, the steam that each device by utilizing waste heat produces is not carried by pipe network, reduces steam heat radiation and drag losses that conveying process causes; Steam obtains fully effectively utilizing directly as power generation energy resource; Simultaneously, steel mill's site plot plan is tending towards simply, saves design, construction and the maintenance cost of pipe network.
The utility model content
In view of this, the purpose of this utility model provides a kind of iron and steel machinery of low temperature exhaust heat comprehensive utilization, and the steam that each device by utilizing waste heat produces is not carried by pipe network, reduces steam heat radiation and power waste that conveying process causes; Steam obtains fully effectively utilizing directly as power generation energy resource; Simultaneously, steel mill's site plot plan is tending towards simply, saves design, construction and the maintenance cost of pipe network; Utilize present depleted cogeneration, actual is the generating of zero fuel cost, has also realized the environmental benefit of reducing emission of carbon dioxide in the creation economic worth.
The iron and steel machinery that residual heat integrative of the present utility model utilizes, comprise agglomerating plant, coking device, iron-smelting device, steel-making device and rolling unit, supporting respectively steam generating equipment and the turbine driven set of being provided with of described agglomerating plant, coking device, steel-making device and rolling unit.
Further, with supporting sintering waste heat boiler and the turbine driven set I of being provided with of agglomerating plant, the central cooler flue gas of described agglomerating plant produces steam by the sintering waste heat boiler, the described sintering waste heat boiler producing steam driving turbine driven set I of institute generating;
Further, with the steel-making matched with devices steel-making waste heat boiler is set, steel-making device converter mouth stack gas produces steam by the steel-making waste heat boiler; With the supporting apparatus for vapour-cooling that is provided with of rolling unit, rolling unit process furnace stack gas produces steam by apparatus for vapour-cooling; The turbine driven set II generating that the steam driven that described steel-making waste heat boiler and apparatus for vapour-cooling produce is supporting with it;
Further, coking device is the dry quenching(of coke) device, with the dry quenching(of coke) matched with devices quenching waste heat boiler and turbine driven set III is set, and the circulating nitrogen gas of dry quenching(of coke) device produces steam by the quenching waste heat boiler; The steam driven turbine driven set III generating that described quenching waste heat boiler produces;
Further, between described steel-making waste heat boiler vapour outlet and the turbine driven set II steam accumulator is set;
Further, between the outlet of described sintering waste heat Boiler Steam and the turbine driven set I steam branch road that is connected iron-smelting device is set;
Further, the vapour outlet of described sintering waste heat boiler, steel-making waste heat boiler, apparatus for vapour-cooling and quenching waste heat boiler is provided with steam respectively and draws other mouthful.
The beneficial effects of the utility model are: the iron and steel machinery that residual heat integrative of the present utility model utilizes, and each installs the steam of pre-thermogenesis and does not carry by pipe network, reduces steam heat radiation and power waste that conveying process causes; Steam obtains fully effectively utilizing directly as power generation energy resource; Simultaneously, steel mill's site plot plan is tending towards simply, saves design, construction and the maintenance cost of pipe network; Utilize present depleted cogeneration, actual is the generating of zero fuel cost, has also realized the environmental benefit of reducing emission of carbon dioxide in the creation economic worth; Steel-making waste heat boiler vapour outlet is provided with steam accumulator, can solve problems such as the steam that originates from the converter evaporation cooling air flue waste heat boiler is discontinuous, flow rate fluctuation is big, water capacity height; Sintering waste heat Boiler Steam outlet is provided with the steam branch road that connects iron work, makes steam can be used for the security personnel and the maintenance of iron work, and is easy to use; All waste heat boiler vapour outlets all are provided with other mouthful, are beneficial to maintenance and purge nearby, and are easy to use.
Description of drawings
Below in conjunction with drawings and Examples the utility model is further described.
Accompanying drawing is a structural representation of the present utility model.
Embodiment
Accompanying drawing is a structural representation of the present utility model, as shown in the figure: the iron and steel machinery that the residual heat integrative of present embodiment utilizes, comprise agglomerating plant 1, coking device 2, iron-smelting device 3, steel-making device 4 and rolling unit 5 in the steel mill 16, described agglomerating plant 1, coking device 2, steel-making device 4 and supporting respectively steam generating equipment and the turbine driven set of being provided with of rolling unit 5.
In the present embodiment, it is 6,000,000 tons/year throughput that the construction of steel mill rule are touched;
With supporting sintering waste heat boiler 6 and the turbine driven set I7 of being provided with of agglomerating plant, turbine driven set I7 total installation of generating capacity is 24MW, is divided into the turbine driven set of two 12MW; The central cooler flue gas of agglomerating plant 1 produces steam by sintering waste heat boiler 6, and 6 producing steams of sintering waste heat boiler drive turbine driven set I7 generating; Between sintering waste heat boiler 6 vapour outlets and the turbine driven set I7 steam branch road 14 that is connected iron-smelting device 3 is set;
With the steel-making device 4 supporting steel-making waste heat boilers 10 that are provided with, steel-making device 4 converter mouth stack gases produce steam by steel-making waste heat boiler 10; With the rolling unit 5 supporting apparatus for vapour-cooling 11 that are provided with, rolling unit 5 process furnace stack gases produce steam by apparatus for vapour-cooling 11; The turbine driven set II12 generating that the steam driven that steel-making waste heat boiler 10 and apparatus for vapour-cooling 11 produce is supporting with it, turbine driven set II12 total installation of generating capacity is 18MW, is divided into the turbine driven set of two 12MW; Between steel-making waste heat boiler 10 vapour outlets and the turbine driven set II12 steam accumulator 13 is set;
The vapour outlet of sintering waste heat boiler 6, steel-making waste heat boiler 10, apparatus for vapour-cooling 11 and quenching waste heat boiler 8 is provided with steam respectively and draws other mouthful 15.
Explanation is at last, above embodiment is only unrestricted in order to the explanation the technical solution of the utility model, although the utility model is had been described in detail with reference to preferred embodiment, those of ordinary skill in the art is to be understood that, can make amendment or be equal to replacement the technical solution of the utility model, and not breaking away from the aim and the scope of technical solutions of the utility model, it all should be encompassed in the middle of the claim scope of the present utility model.
Claims (7)
1. the iron and steel machinery that utilizes of residual heat integrative, comprise agglomerating plant (1), coking device (2), iron-smelting device (3), steel-making device (4) and rolling unit (5), it is characterized in that: described agglomerating plant (1), coking device (2), steel-making device (4) and supporting respectively steam generating equipment and the turbine driven set of being provided with of rolling unit (5).
2. the iron and steel machinery that residual heat integrative according to claim 1 utilizes, it is characterized in that: with supporting sintering waste heat boiler (6) and the turbine driven set I (7) of being provided with of agglomerating plant (1), the central cooler flue gas of described agglomerating plant (1) produces steam by sintering waste heat boiler (6), and described sintering waste heat boiler (6) institute producing steam drives turbine driven set I (7) generating.
3. the iron and steel machinery that residual heat integrative according to claim 2 utilizes is characterized in that: with the supporting steel-making waste heat boiler (10) that is provided with of steel-making device (4), steel-making device (4) converter mouth stack gas produces steam by steel-making waste heat boiler (10); With the supporting apparatus for vapour-cooling (11) that is provided with of rolling unit (5), rolling unit (5) process furnace stack gas produces steam by apparatus for vapour-cooling (11); Turbine driven set II (12) generating that the steam driven that described steel-making waste heat boiler (10) and apparatus for vapour-cooling (11) produce is supporting with it.
4. the iron and steel machinery that residual heat integrative according to claim 3 utilizes, it is characterized in that: coking device (2) is the dry quenching(of coke) device, with the dry quenching(of coke) matched with devices quenching waste heat boiler (8) and turbine driven set III (9) are set, the circulating nitrogen gas of dry quenching(of coke) device produces steam by quenching waste heat boiler (8); Steam driven turbine driven set III (9) generating that described quenching waste heat boiler (8) produces.
5. the iron and steel machinery that residual heat integrative according to claim 4 utilizes is characterized in that: between described steel-making waste heat boiler (10) vapour outlet and the turbine driven set II (12) steam accumulator (13) is set.
6. the iron and steel machinery that residual heat integrative according to claim 5 utilizes is characterized in that: between described sintering waste heat boiler (6) vapour outlet and the turbine driven set I (7) the steam branch road (14) that is connected iron-smelting device (3) is set.
7. the iron and steel machinery that residual heat integrative according to claim 6 utilizes is characterized in that: the vapour outlet of described sintering waste heat boiler (6), steel-making waste heat boiler (10), apparatus for vapour-cooling (11) and quenching waste heat boiler (8) is provided with steam respectively and draws other mouthful (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200997509U CN201250238Y (en) | 2008-08-20 | 2008-08-20 | Integrated iron and steel device for comprehensive utilization of waste-heat |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200997509U CN201250238Y (en) | 2008-08-20 | 2008-08-20 | Integrated iron and steel device for comprehensive utilization of waste-heat |
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| Publication Number | Publication Date |
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| CN201250238Y true CN201250238Y (en) | 2009-06-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CNU2008200997509U Expired - Fee Related CN201250238Y (en) | 2008-08-20 | 2008-08-20 | Integrated iron and steel device for comprehensive utilization of waste-heat |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870560A (en) * | 2010-06-18 | 2010-10-27 | 北京大学 | Method for recovering waste heat of electrically fused magnesium fused weight |
| CN101709920B (en) * | 2009-12-10 | 2011-05-11 | 北京信力筑正新能源技术股份有限公司 | Heat balance device for iron and steel enterprises and heat balance process |
| CN103743251A (en) * | 2014-01-02 | 2014-04-23 | 莱芜钢铁集团有限公司 | Energy-saving environment-friendly compact short-process smelting and cast-rolling production system |
| WO2022143978A1 (en) * | 2020-12-31 | 2022-07-07 | 厦门大学 | Secondary energy storage system based on waste heat utilization of iron and steel plant |
-
2008
- 2008-08-20 CN CNU2008200997509U patent/CN201250238Y/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101709920B (en) * | 2009-12-10 | 2011-05-11 | 北京信力筑正新能源技术股份有限公司 | Heat balance device for iron and steel enterprises and heat balance process |
| CN101870560A (en) * | 2010-06-18 | 2010-10-27 | 北京大学 | Method for recovering waste heat of electrically fused magnesium fused weight |
| CN103743251A (en) * | 2014-01-02 | 2014-04-23 | 莱芜钢铁集团有限公司 | Energy-saving environment-friendly compact short-process smelting and cast-rolling production system |
| CN103743251B (en) * | 2014-01-02 | 2016-05-18 | 莱芜钢铁集团有限公司 | The short flow process of a kind of energy-conserving and environment-protective compact is smelted casting production system |
| WO2022143978A1 (en) * | 2020-12-31 | 2022-07-07 | 厦门大学 | Secondary energy storage system based on waste heat utilization of iron and steel plant |
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| Date | Code | Title | Description |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090603 Termination date: 20160820 |