CN208223208U - A kind of two-way waste-heat recovery device of electric furnace - Google Patents
A kind of two-way waste-heat recovery device of electric furnace Download PDFInfo
- Publication number
- CN208223208U CN208223208U CN201820436890.4U CN201820436890U CN208223208U CN 208223208 U CN208223208 U CN 208223208U CN 201820436890 U CN201820436890 U CN 201820436890U CN 208223208 U CN208223208 U CN 208223208U
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- heat
- heat recovery
- flue
- slag
- emission mouth
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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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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The utility model is a kind of two-way waste-heat recovery device of electric furnace, including electric furnace, electric stove tops and bottom are respectively equipped with flue gas emission mouth and slag emission mouth, flue gas emission mouth is connected with flue gas waste heat recovery apparatus, slag emission mouth is connected with furnace slag residual heat recovering device, flue gas waste heat recovery apparatus one end is connected with cooling tower and the other end is connected with insulated water tank, furnace slag residual heat recovering device includes heat recovery case, injector is equipped between the arrival end and slag emission mouth of heat recovery case, injector both ends are connected with gas injection conduits, snakelike gas pipeline is equipped in heat recovery case below arrival end, snakelike gas pipeline one end is connected with air-introduced machine and the other end is connected with plant area's hot-air distribution pipe network, multiple drawing and pulling type heat storage tanks are equipped in heat recovery case, drawing and pulling type heat storage tank is provided with phase-change thermal storage medium.The utility model realize heat two-way recycling, the form of recycling be also it is a variety of, the heat of recycling is used among production, energy-saving and emission-reduction.
Description
Technical field
The utility model relates to the technical fields of electric furnace heat recovery more particularly to a kind of two-way waste heat of electric furnace to return
Receiving apparatus.
Background technique
Electric furnace smelting is fairly common in China's steel industry as high energy consumption industry, needs to consume a large amount of energy, smelts
There is a large amount of fume afterheat not to be fully utilized in the process, residual heat resources is caused to waste, does not meet energy-saving and emission-reduction policy.
It is also recycled mostly just for flue gas heat now for the device of electric furnace waste heat recycling, but the clinker discharged in fact
In also contain a large amount of heat, this partial heat is not recycled in time, causes significantly energy loss.
Summary of the invention
The utility model aims to solve the problem that the deficiencies in the prior art, and provides a kind of electric furnace two-way waste-heat recovery device.
In order to achieve the above object, the utility model adopts the following technical solutions:
A kind of electric furnace two-way waste-heat recovery device, including electric furnace, the electric stove tops and bottom are respectively equipped with flue gas row
Mouth and slag emission mouth are put, the flue gas emission mouth is connected with flue gas waste heat recovery apparatus, and the slag emission mouth is connected with more than clinker
Heat recovery apparatus, the flue gas waste heat recovery apparatus include flue, are set between the smoke inlet and flue gas emission mouth of the flue
There is bending shape to connect flue, is equipped with heat exchange jacket outside the flue, bending shape connection flue, described heat exchange jacket one end is connected with
Cooling tower and the other end are connected with insulated water tank, are respectively equipped with gas vent and ash bucket, the cigarette at the top and bottom of the flue
Be successively arranged multiple heat exchangers along flue gas emission path in road, the heat exchanger both ends respectively with cooling tower, insulated water tank phase
Even, shock-wave ash-clearing device is equipped in the flue above heat exchanger, the insulated water tank is connected with plant area's hot water distribution pipe network, institute
Stating furnace slag residual heat recovering device includes heat recovery case, and spray is equipped between the arrival end and slag emission mouth of the heat recovery case
Emitter, the injector both ends are connected with gas injection conduits, the gas injection direction of the gas injection conduits diagonally downward and
Arrival end towards heat recovery case is equipped with snakelike gas pipeline in the heat recovery case below arrival end, described snakelike
Gas pipeline one end is connected with air-introduced machine and the other end is connected with plant area's hot-air distribution pipe network, is equipped in the heat recovery case multiple
Drawing and pulling type heat storage tank, the drawing and pulling type heat storage tank are located at below snakelike gas pipeline, and the drawing and pulling type heat storage tank is provided with phase transformation
Heat-storage medium, heat recovery bottom portion are equipped with slag-drip opening, and the slag-drip opening is equipped with control valve.
The flue on the inner wall above smoke inlet be equipped with it is multiple be obliquely installed fall hawk.
The drawing and pulling type accumulation of heat box outer wall is equipped with pull handle and is equipped with phase change medium inlet and outlet.
The beneficial effects of the utility model are: the flue gas heat that the utility model can not only be discharged electric furnace is returned
It receives, the heat of slags of discharge can also be recycled, realize two-way recycling, the form of recycling is also a variety of, existing water circulation
Recycling, also has air circulation and stress, there are also accumulation of heat recycling, the heat of recycling are used among production, energy-saving and emission-reduction.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
In figure: 1- electric furnace；2- flue gas emission mouth；3- slag emission mouth；4- heat recovery case；5- flue；6- bending shape connects
Cigarette receiving road；7- heat exchange jacket；8- cooling tower；9- insulated water tank；10- ash bucket；11- heat exchanger；12- shock-wave ash-clearing device；13- spray
Emitter；14- gas injection conduits；The snakelike gas pipeline of 15-；16- drawing and pulling type heat storage tank；17- slag-drip opening；18- falls hawk；
It is described in detail below with reference to the embodiments of the present invention referring to attached drawing.
Specific embodiment
The utility model is described in further detail with reference to the accompanying drawings and examples:
As shown in Figure 1, a kind of two-way waste-heat recovery device of electric furnace, including electric furnace 1, at the top and bottom of the electric furnace 1 point
Not She You flue gas emission mouth 2 and slag emission mouth 3, the flue gas emission mouth 2 is connected with flue gas waste heat recovery apparatus, the clinker row
Put mouth 3 and be connected with furnace slag residual heat recovering device, the flue gas waste heat recovery apparatus includes flue 5, the smoke inlet of the flue 5 with
It is equipped with bending shape between flue gas emission mouth 2 and connects flue 6, is equipped with heat exchange jacket outside the flue 5, bending shape connection flue 6
7, described 7 one end of heat exchange jacket is connected with cooling tower 8 and the other end is connected with insulated water tank 9, distinguishes at the top and bottom of the flue 5
Equipped with gas vent and ash bucket 10, multiple heat exchangers 11, the heat exchanger are successively arranged along flue gas emission path in the flue 5
11 both ends are connected with cooling tower 8, insulated water tank 9 respectively, and shock-wave ash-clearing device is equipped with above heat exchanger 11 in the flue 5
12, the insulated water tank 9 is connected with plant area's hot water distribution pipe network, and the furnace slag residual heat recovering device includes heat recovery case 4, institute
It states and is equipped with injector 13 between the arrival end of heat recovery case 4 and slag emission mouth 3,13 both ends of injector are connected with gas spray
Penetrate pipeline 14, the gas injection direction of the gas injection conduits 14 diagonally downward and the arrival end towards heat recovery case 4, institute
It states and is equipped with snakelike gas pipeline 15 in heat recovery case 4 below arrival end, described snakelike 15 one end of gas pipeline is connected with air inducing
Machine and the other end are connected with plant area's hot-air distribution pipe network, are equipped with multiple drawing and pulling type heat storage tanks 16 in the heat recovery case 4, described
Drawing and pulling type heat storage tank 16 is located at snakelike 15 lower section of gas pipeline, and the drawing and pulling type heat storage tank 16 is provided with phase-change thermal storage medium, institute
4 bottom of heat recovery case is stated equipped with slag-drip opening 17, the slag-drip opening 17 is equipped with control valve.
The flue 5 on the inner wall above smoke inlet be equipped with it is multiple be obliquely installed fall hawk 18.
16 outer wall of drawing and pulling type heat storage tank is equipped with pull handle and is equipped with phase change medium inlet and outlet.
The utility model not only can use the flue gas heat that electric furnace 1 is discharged in flue gas waste heat recovery apparatus and recycle,
Using water circulation and stress, the water after heating up is stored in insulated water tank 9, carries out later use；It can also utilize more than clinker
The heat of slags that electric furnace 1 is discharged in heat recovery apparatus recycles, and is recycled using air circulation, and clinker is in injector 13, gas
It scatters under the action of injection pipe 14, internal heat is scattered as far as possible, realize high-temperature steam with snakelike gas pipeline 15
Heat recovery；And the heat transfer of clinker remaining completes heat-accumulating process to drawing and pulling type heat storage tank 16.It not only realizes so double
To recycling, the form of recycling be also it is a variety of, existing water circulation and stress also has air circulation and stress, and there are also accumulation of heat recycling, will recycle
Heat for produce among, energy-saving and emission-reduction.
The utility model is exemplarily described above in conjunction with attached drawing, it is clear that the utility model specific implementation not by
The limitation of aforesaid way, if the method concept of the utility model and the various improvement of technical solution progress are used, or without
Improvement directly applies to other occasions, both is within the protection scope of the present invention.
Claims (3)
1. a kind of two-way waste-heat recovery device of electric furnace, which is characterized in that including electric furnace (1), at the top and bottom of the electric furnace (1)
It is respectively equipped with flue gas emission mouth (2) and slag emission mouth (3), the flue gas emission mouth (2) is connected with flue gas waste heat recovery apparatus, institute
It states slag emission mouth (3) and is connected with furnace slag residual heat recovering device, the flue gas waste heat recovery apparatus includes flue (5), the flue
(5) it is equipped with bending shape between smoke inlet and flue gas emission mouth (2) to connect flue (6), the flue (5), the connection of bending shape
It is equipped with heat exchange jacket (7) outside flue (6), described heat exchange jacket (7) one end is connected with cooling tower (8) and the other end is connected with heat preservation
Water tank (9), flue (5) top and bottom are respectively equipped with gas vent and ash bucket (10), arrange in the flue (5) along flue gas
Path is put to be successively arranged multiple heat exchangers (11), heat exchanger (11) both ends respectively with cooling tower (8), insulated water tank (9)
It is connected, is equipped with shock-wave ash-clearing device (12) above heat exchanger (11) in the flue (5), the insulated water tank (9) and plant area's heat
Water distribution pipe network is connected, and the furnace slag residual heat recovering device includes heat recovery case (4), the entrance of the heat recovery case (4)
Injector (13) are equipped between end and slag emission mouth (3), injector (13) both ends are connected with gas injection conduits (14), institute
State the gas injection direction of gas injection conduits (14) diagonally downward and the arrival end towards heat recovery case (4), the heat
Snakelike gas pipeline (15) are equipped with below arrival end in recycling bins (4), described snakelike gas pipeline (15) one end is connected with air inducing
Machine and the other end are connected with plant area's hot-air distribution pipe network, are equipped with multiple drawing and pulling type heat storage tanks (16) in the heat recovery case (4),
The drawing and pulling type heat storage tank (16) is located at below snakelike gas pipeline (15), and the drawing and pulling type heat storage tank (16) is provided with phase transformation storage
Thermal medium, heat recovery case (4) bottom are equipped with slag-drip opening (17), and the slag-drip opening (17) is equipped with control valve.
2. a kind of two-way waste-heat recovery device of electric furnace according to claim 1, which is characterized in that the flue (5) exists
Inner wall above smoke inlet be equipped with it is multiple be obliquely installed fall hawk (18).
3. a kind of two-way waste-heat recovery device of electric furnace according to claim 2, which is characterized in that the drawing and pulling type accumulation of heat
Case (16) outer wall is equipped with pull handle and is equipped with phase change medium inlet and outlet.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436890.4U CN208223208U (en) | 2018-03-29 | 2018-03-29 | A kind of two-way waste-heat recovery device of electric furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820436890.4U CN208223208U (en) | 2018-03-29 | 2018-03-29 | A kind of two-way waste-heat recovery device of electric furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208223208U true CN208223208U (en) | 2018-12-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820436890.4U Active CN208223208U (en) | 2018-03-29 | 2018-03-29 | A kind of two-way waste-heat recovery device of electric furnace |
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| Country | Link |
|---|---|
| CN (1) | CN208223208U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983848A (en) * | 2021-11-17 | 2022-01-28 | 内蒙古鑫州新能源热力有限公司 | Waste heat recycling heat balance system |
| CN114623689A (en) * | 2022-03-09 | 2022-06-14 | 江苏沙钢集团有限公司 | Environment-friendly energy-saving electric furnace and use method thereof |
-
2018
- 2018-03-29 CN CN201820436890.4U patent/CN208223208U/en active Active
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113983848A (en) * | 2021-11-17 | 2022-01-28 | 内蒙古鑫州新能源热力有限公司 | Waste heat recycling heat balance system |
| CN114623689A (en) * | 2022-03-09 | 2022-06-14 | 江苏沙钢集团有限公司 | Environment-friendly energy-saving electric furnace and use method thereof |
| CN114623689B (en) * | 2022-03-09 | 2023-11-03 | 江苏沙钢集团有限公司 | Environment-friendly energy-saving electric furnace and use method thereof |
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