CN209706565U - A kind of steel slag cracking furnace bell improving heat energy recovery rate - Google Patents
A kind of steel slag cracking furnace bell improving heat energy recovery rate Download PDFInfo
- Publication number
- CN209706565U CN209706565U CN201920118241.4U CN201920118241U CN209706565U CN 209706565 U CN209706565 U CN 209706565U CN 201920118241 U CN201920118241 U CN 201920118241U CN 209706565 U CN209706565 U CN 209706565U
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- China
- Prior art keywords
- bell
- heat
- steel slag
- recovery rate
- heat energy
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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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- 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
Abstract
The utility model relates to a kind of steel slag cracking furnace bells for improving heat energy recovery rate, including bell ontology, bell ontology is in up-narrow and down-wide triangle, it is surrounded with several circle heat-absorbing water pipes from the bottom to top in bell inner body wall, to make heat be deposited in bell ontology and improve heat energy recovery rate by heat-absorbing water pipe.The water in water pipe is heated using the heat inside bell, thus the heat recovery that hot steel slag is contained, have the characteristics that reduce be lost, increase economic efficiency, energy conservation and environmental protection.
Description
Technical field
The utility model belongs to steel slag cracking furnace technical field, is related to a kind of steel slag cracking furnace furnace for improving heat energy recovery rate
Lid.
Background technique
China's crude steel yield is up to 800,000,000 tons/year (account for about world's crude steel yield 50%), and one ton of crude steel of every production will produce
The steel slag of raw 120kg or so, producing 800000000 tons of crude steel per year just has about 100,000,000 tons of steel slags to generate, and the steel slag temperature being discharged from converter exists
1500 DEG C or so and be in a liquid state, the sensible heat that ton slag contains is no less than the calorific value of 60kg mark coal, then more than the steel slag of national year loss
The calorific value of not less than 6,000,000 tons mark coals of heat.
The processing method of the outer hot steel slag of Current Domestic mainly has heat stewing method, hot application method, tray method, water quenching, wind quenching
Method, drum process and granulating wheel method etc., the first two accounting of kind processing method in large and medium-sized iron and steel enterprise, 129, China are more than
80%, the accounting of other processing methods is less than 20%.
Countries in the world slag processing is to recycle based on metallic iron therein, since converter is intermittence deslagging
(the deslagging period is in 35min or so), slag processing process are all discontinuity operation again, arrange hot steel slag waste heat unstable state
It puts, causes countries in the world hot steel slag waste heat that can not recycle, the steel slag waste heat rate of recovery is zero.
Each steel mill has obtained generally utilizing the stewing technique of steel slag hot at home at present, and technological principle is to be placed in hot steel slag
In stewing tank, sprays water in stewing tank to steel slag surface atomizing, keep its internal-external temperature difference excessive and generate thermal stress, steam pressure process chats phase
Change and generate transformation stress etc., it is quickly cooled down steel slag, is naturally broken, so that the preferable separation of metal and slag is realized, it
After multi-level hierarchical magnetic separation, metal charge and nonmetallic material are separated, are allowed to that Each answers the purpose intended；Stewing tank is that steel slag hot boils in a covered pot over a slow fire technique
Core equipment, be the key that determine steel slag hot boil in a covered pot over a slow fire technique can efficient, safe and stable operation, but existing stewing tank has
The defect of hot steel slag thermal energy can not be recycled, and during processing fall one layer of slag, spill a water, using hook machine hook dissipate, make steel
Slag temperature is reduced to 800 DEG C or so by 1500 DEG C or so, and whole operation operation is all discontinuity, will cause waste thermal energy,
The problem of polluting environment, the low-temp low-pressure saturated vapor generated during slag stewing, which puts idle discharge, causes sternly water resource and thermal energy
The waste problem of weight, and the broken steel slag of low temperature after the stewing cracking of heat is all to go out slag stewing tank by hook machine hook, and magnetic separation point is sent in entrucking
Grade system carries out grading and slag iron separation, and detached job is cumbersome, slag stewing tank is easily damaged.
Utility model content
In order to overcome the disadvantages mentioned above of the prior art, the utility model provides a kind of steel slag cracking for improving heat energy recovery rate
Furnace bell, it heats the water in water pipe using the heat inside bell, so that the heat that hot steel slag is contained returns
Receive, have the characteristics that reduction be lost, increase economic efficiency, energy conservation and environmental protection.
The technical scheme adopted by the utility model to solve the technical problem is as follows: a kind of steel slag for improving heat energy recovery rate is split
Furnace bell, including bell ontology are solved, bell ontology is in up-narrow and down-wide triangle, is surrounded with from the bottom to top in bell inner body wall
Several circle heat-absorbing water pipes, to make heat be deposited in bell ontology and improve heat energy recovery rate by heat-absorbing water pipe.
Bell ontology lower end is welded with boiler clothing and is connected to be socketed in realization on furnace body by boiler clothing with furnace body.
One layer of heat preservation layer is provided in the bell outer body to reduce heat energy loss.
The height of the bell ontology is 2.5m~3m, is made of heat-resisting steels.
Flip lid is provided at the top of bell ontology for sealing and deflating once in a while.
The heat-absorbing water pipe is that a whole detour is fixed in bell inner body wall, and through U-shaped clip.
The U-shaped clip is fixed in bell inner body wall by bolt and screw hole cooperation.
The beneficial effects of the utility model are: it heats the water in water pipe using the heat inside bell, thus
The heat recovery that hot steel slag is contained, by closely managing, the design of middle pipe and remote pipe is to realize to different in bell ontology
The absorption of region heat, and there are also insulating layers can reduce radiation loss outside water pipe, and having reduces loss, improves economic effect
The features such as benefit, energy conservation and environmental protection.
Detailed description of the invention
Fig. 1 is the utility model structure diagram；
In figure: 1- bell ontology；2- heat-absorbing water pipe；3- insulating layer；4- boiler clothing；5-U shape clip；6- flip lid.
Fig. 2 is Fig. 1 top view.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and examples.
Referring to Fig. 1 and Fig. 2, a kind of steel slag cracking furnace bell improving heat energy recovery rate, including bell ontology 1, bell sheet
Body 1 is in up-narrow and down-wide triangle, several circle heat-absorbing water pipes 2 is surrounded with from the bottom to top in 1 inner wall of bell ontology, to make heat
It is deposited in bell ontology 1 and heat energy recovery rate is improved by heat-absorbing water pipe 2.
1 lower end of bell ontology is welded with boiler clothing 4 and is connected to be socketed in realization on furnace body by boiler clothing 4 with furnace body.
One layer of heat preservation layer 3 is provided on the outside of the bell ontology 1 to reduce heat energy loss.
The height of the bell ontology 1 is 2.5m~3m, is made of heat-resisting steels.
The top of bell ontology 1 is provided with flip lid 6 for sealing and deflating once in a while.
The heat-absorbing water pipe 2 is a whole detour on 1 inner wall of bell ontology, and fixed by U-shaped clip 5.
The U-shaped clip 5 is fixed on 1 inner wall of bell ontology by bolt and screw hole cooperation.
The utility model is not limited to above embodiment, if various changes or modifications to the utility model do not take off
From the spirit and scope of the present invention, if these changes or modifications belong to the claims and equivalents of the utility model range
Within, then the utility model is also intended to encompass these modification and variations.
Claims (7)
1. a kind of steel slag cracking furnace bell for improving heat energy recovery rate, including bell ontology, it is characterised in that: bell ontology is presented
Narrow lower wide triangle is surrounded with several circle heat-absorbing water pipes in bell inner body wall, so that heat be made to be deposited in furnace from the bottom to top
Heat energy recovery rate is improved in lid ontology and by heat-absorbing water pipe.
2. improving the steel slag cracking furnace bell of heat energy recovery rate as described in claim 1, it is characterised in that: under the bell ontology
End is welded with boiler clothing and is connected to be socketed in realization on furnace body by boiler clothing with furnace body.
3. improving the steel slag cracking furnace bell of heat energy recovery rate as described in claim 1, it is characterised in that: in the bell ontology
Outside is provided with one layer of heat preservation layer to reduce heat energy loss.
4. improving the steel slag cracking furnace bell of heat energy recovery rate as described in claim 1, it is characterised in that: the bell ontology
Height is 2.5m~3m, is made of heat-resisting steels.
5. improving the steel slag cracking furnace bell of heat energy recovery rate as described in claim 1, it is characterised in that: the top of bell ontology
Flip lid is provided with for sealing and deflating once in a while.
6. improving the steel slag cracking furnace bell of heat energy recovery rate as described in claim 1, it is characterised in that: the heat-absorbing water pipe is
One whole detour is fixed in bell inner body wall, and through U-shaped clip.
7. improving the steel slag cracking furnace bell of heat energy recovery rate as claimed in claim 6, it is characterised in that: the U-shaped clip is logical
It crosses bolt and screw hole cooperation is fixed in bell inner body wall.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118241.4U CN209706565U (en) | 2019-01-24 | 2019-01-24 | A kind of steel slag cracking furnace bell improving heat energy recovery rate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920118241.4U CN209706565U (en) | 2019-01-24 | 2019-01-24 | A kind of steel slag cracking furnace bell improving heat energy recovery rate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209706565U true CN209706565U (en) | 2019-11-29 |
Family
ID=68641282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920118241.4U Active CN209706565U (en) | 2019-01-24 | 2019-01-24 | A kind of steel slag cracking furnace bell improving heat energy recovery rate |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209706565U (en) |
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2019
- 2019-01-24 CN CN201920118241.4U patent/CN209706565U/en active Active
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