CN201670845U - High temperature solid slag sensible heat recovery device - Google Patents
High temperature solid slag sensible heat recovery device Download PDFInfo
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- CN201670845U CN201670845U CN2010201844283U CN201020184428U CN201670845U CN 201670845 U CN201670845 U CN 201670845U CN 2010201844283 U CN2010201844283 U CN 2010201844283U CN 201020184428 U CN201020184428 U CN 201020184428U CN 201670845 U CN201670845 U CN 201670845U
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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
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
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Abstract
The utility model relates to a high temperature solid slag sensible heat recovery device, which is characterized in that a moving bed is internally provided with a heat exchange tube; a slag storage device on the top of the moving bed is provided with a flow control device; a water pump inlet is connected with a condenser, a turbine generator and a steam-water separator steam outlet sequentially; a steam-water separator liquid outlet is respectively connected with a water pump outlet and a heat exchange tube inlet; a heat exchange tube outlet is connected with a steam-water separator inlet; a blower is connected with the bottom of the moving bed; the upper part of the moving bed is connected with a hot blast stove by a dust catcher; and the water pump and the blower can work independently, can also work simultaneously and have adjustable power. The utility model has the advantages of solving the problem of consumption of a great amount of fresh water when a water quenching method is used for carry out sensible heat recovery, not only efficiently recovering high temperature sensible heat of blast furnace slag, but also greatly reducing consumption of the fresh water, carrying out heat utilization respectively in a mode of steam generation and hot blast of the hot blast stove, conveniently adjusting ratio of the steam generation to the hot blast of the hot blast stove and enabling the processed blast furnace slag to meet requirements for making cement.
Description
Technical field
The utility model relates to energy recovery and utilizes the field, relates in particular to a kind of high-temperature solid slag heat recovering device.
Background technology
Iron And Steel Industry provides important basic raw material for development and national economy, belong to the energy, resource-integrated industry that resource consumption is big, but in the production steel product, also discharge a large amount of wastes, carry a large amount of sensible heats and cause the waste of the energy, as molten blast furnace slag is the byproduct of blast furnace ironmaking, its outflow temperature is 1400～1600 ℃, and heat content is about standard coal 60Kg/t (slag).China produced 5.43 hundred million tons of the pig iron in 2009, produced 0.35 ton of slag by iron per ton and calculated, and the quantum of output of blast furnace slag is 1.9 hundred million tons, this shows, it is the important channel of iron and steel enterprise's energy-saving and emission-reduction that blast-furnace cement sensible heat reclaims.Iron and steel enterprise generally adopts water quenching to handle blast furnace slag at present, and for example method and Lhasa method etc. are filtered in Yin Bafa, figure daraf(reciprocal of farad), the end, and not only flushing cinder water consumption is high for these water quenchings, sensible heat is not recycled effectively, but also environment is caused exhaust emission.
Therefore, how to reclaim the high temperature sensible heat of blast furnace slag efficiently, reduce pollution on the environment in its treating processes, just become a urgent problem.
Summary of the invention
The purpose of this utility model provides a kind of high-temperature solid slag heat recovering device, and high-temperature solid slag sensible heat is reclaimed by hot blast, thermoelectric dual mode, solves existing water quenching recovery sensible heat not yet in effect, and consumes the shortcoming of a large amount of new water.
For solving the problems of the technologies described above, the technical solution of the utility model is:
High-temperature solid slag heat recovering device, it is characterized in that, comprise water pump, condenser, turbo-generator, steam separator, flow rate control device, moving-bed, hotblast stove and gas blower, the moving-bed inner-heating tube, moving-bed top storage slag device is provided with flow rate control device, pump entrance successively with condenser, turbo-generator, the steam separator vapour outlet is connected, the steam separator liquid exit respectively with exit of pump, the heat transfer tube inlet is connected, the heat transfer tube outlet is connected with the steam separator inlet, gas blower links to each other with the moving-bed bottom, and moving-bed top links to each other with hotblast stove by fly-ash separator.
The outlet that described moving-bed top links to each other with fly-ash separator is arranged on the flow rate control device downside, the heat transfer tube upside.
Described water pump and gas blower can work independently, also can work simultaneously, and adjustable power.
Compared with prior art, the beneficial effects of the utility model are: practical, technology is reliable, the shortcoming that solved the high-quality heat energy of existing water quenching recovery not yet in effect, consumes a large amount of new water, can not only reclaim the high temperature sensible heat of blast furnace slag efficiently, also greatly reduce new water consumption,, can carry out heat energy utilization with the form of steam-electric power and hot air furnace hot air respectively according to user's demand, and convenient ratio of regulating both, the blast furnace slag after the processing can satisfy the requirement of making cement.
Description of drawings
Fig. 1 is a structural representation of the present utility model.
Among the figure: 1-water pump 2-condenser 3-turbo-generator 4-moving-bed 5-steam separator 6-storage slag device 7-flow rate control device 8-heat transfer tube 9-gas blower 10-fly-ash separator 11-hotblast stove
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model is described further:
See Fig. 1, high-temperature solid slag heat recovering device, comprise water pump 1, condenser 2, turbo-generator 3, steam separator 5, flow rate control device 7, moving-bed 4, hotblast stove 11 and gas blower 9, moving-bed 4 inner-heating tubes 8, moving-bed 4 tops storage slag device 6 is provided with flow rate control device 7, water pump 1 inlet successively with condenser 2, turbo-generator 3, steam separator 5 vapour outlets are connected, steam separator 5 liquid exits export with water pump 1 respectively, heat transfer tube 8 inlets are connected, heat transfer tube 8 outlets are connected with steam separator 5 inlets, gas blower 9 links to each other with moving-bed 4 bottoms, and moving-bed 4 tops link to each other with hotblast stove 11 by fly-ash separator 10.The outlet that described moving-bed 4 tops link to each other with fly-ash separator 10 is arranged on flow rate control device 7 downsides, heat transfer tube 8 upsides.Described water pump 1 can work independently with gas blower 9, also can work simultaneously, and adjustable power.
As heat transferring medium, the heat that reclaims with the form of hot blast and steam is applied to hotblast stove and steam-electric power respectively to the high-temperature solid slag, carries out energy and utilizes and energy transformation again by air and water coolant in the utility model, and the step of its realization is as follows:
1) 800～900 ℃ blast furnace slag particle flows into the moving-bed 4 of inner-heating tube through the flow control sieve, under the effect of gravity, wash away inner-heating tube 8, and and the air between pipe carries out heat exchange, flowed out by the bottom at last, normal temperature air is by the bottom air intake, with blast furnace slag particle countercurrent flow heat exchange, discharge by top, finish the intensification endothermic process of air.
2) water coolant is flowed into by heat transfer tube 8 lower water inlets, is countercurrent flow with the blast furnace slag particle under the positive action of water pump 1, and heat exchange and generation steam are finished the intensification of recirculated water and the endothermic process of vaporizing.
3) superheated vapour that obtains enters turbine generators, heat energy is converted into electric energy is stored and utilize; Warm air directly uses with the form heat supply wind furnace of hot blast, helps the purpose that realizes that energy fully reclaims, rationally utilizes.
The blast furnace slag that moving-bed 4 is discharged can be used for producing cement, helps realizing " zero release " of waste.Present embodiment is applicable to the small-scale production situation, and hot blast can utilize by the direct heating wind furnace, and steam can be used for generating.
Claims (3)
1. high-temperature solid slag heat recovering device, it is characterized in that, comprise water pump, condenser, turbo-generator, steam separator, flow rate control device, moving-bed, hotblast stove and gas blower, the moving-bed inner-heating tube, moving-bed top storage slag device is provided with flow rate control device, pump entrance successively with condenser, turbo-generator, the steam separator vapour outlet is connected, the steam separator liquid exit respectively with exit of pump, the heat transfer tube inlet is connected, the heat transfer tube outlet is connected with the steam separator inlet, gas blower links to each other with the moving-bed bottom, and moving-bed top links to each other with hotblast stove by fly-ash separator.
2. high-temperature solid slag heat recovering device according to claim 1 is characterized in that the outlet that described moving-bed top links to each other with fly-ash separator is arranged on the flow rate control device downside, the heat transfer tube upside.
3. high-temperature solid slag heat recovering device according to claim 1 is characterized in that described water pump and gas blower can work independently, also can work simultaneously, and adjustable power.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201844283U CN201670845U (en) | 2010-05-11 | 2010-05-11 | High temperature solid slag sensible heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010201844283U CN201670845U (en) | 2010-05-11 | 2010-05-11 | High temperature solid slag sensible heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201670845U true CN201670845U (en) | 2010-12-15 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010201844283U Expired - Fee Related CN201670845U (en) | 2010-05-11 | 2010-05-11 | High temperature solid slag sensible heat recovery device |
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| CN (1) | CN201670845U (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776389A (en) * | 2012-08-09 | 2012-11-14 | 中钢集团鞍山热能研究院有限公司 | Method for using thermal-state magnesium slag afterheat and moving bed |
| CN103244211A (en) * | 2013-04-23 | 2013-08-14 | 中冶南方工程技术有限公司 | Utilization system and method of blast furnace cinder water heat source for blast furnace steam blower |
| CN103822340A (en) * | 2014-03-05 | 2014-05-28 | 余德林 | Heat energy recovering integrated box |
| CN103820588A (en) * | 2014-03-05 | 2014-05-28 | 中钢集团鞍山热能研究院有限公司 | Quenching dry type broken fusion blast furnace slag sensible heat recovery method and device |
| CN104061810A (en) * | 2014-07-08 | 2014-09-24 | 李小红 | Waste heat recovery system |
| CN104946826A (en) * | 2015-06-05 | 2015-09-30 | 中国科学院力学研究所 | Metallurgical slag waste heat recovery equipment and method |
| CN105112577A (en) * | 2015-09-30 | 2015-12-02 | 东北大学 | Dry granulating blast furnace slag waste heat recovery device and blast furnace slag waste heat recovery method |
-
2010
- 2010-05-11 CN CN2010201844283U patent/CN201670845U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102776389A (en) * | 2012-08-09 | 2012-11-14 | 中钢集团鞍山热能研究院有限公司 | Method for using thermal-state magnesium slag afterheat and moving bed |
| CN103244211A (en) * | 2013-04-23 | 2013-08-14 | 中冶南方工程技术有限公司 | Utilization system and method of blast furnace cinder water heat source for blast furnace steam blower |
| CN103822340A (en) * | 2014-03-05 | 2014-05-28 | 余德林 | Heat energy recovering integrated box |
| CN103820588A (en) * | 2014-03-05 | 2014-05-28 | 中钢集团鞍山热能研究院有限公司 | Quenching dry type broken fusion blast furnace slag sensible heat recovery method and device |
| CN103822340B (en) * | 2014-03-05 | 2017-06-06 | 余德林 | A kind of energy recovery integral box |
| CN104061810A (en) * | 2014-07-08 | 2014-09-24 | 李小红 | Waste heat recovery system |
| CN104946826A (en) * | 2015-06-05 | 2015-09-30 | 中国科学院力学研究所 | Metallurgical slag waste heat recovery equipment and method |
| CN105112577A (en) * | 2015-09-30 | 2015-12-02 | 东北大学 | Dry granulating blast furnace slag waste heat recovery device and blast furnace slag waste heat recovery method |
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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: 20101215 Termination date: 20160511 |
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| CF01 | Termination of patent right due to non-payment of annual fee |