CN207193330U - A kind of annealing furnace waste-heat recovery device - Google Patents
A kind of annealing furnace waste-heat recovery device Download PDFInfo
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- CN207193330U CN207193330U CN201721028896.XU CN201721028896U CN207193330U CN 207193330 U CN207193330 U CN 207193330U CN 201721028896 U CN201721028896 U CN 201721028896U CN 207193330 U CN207193330 U CN 207193330U
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- annealing furnace
- recovery device
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- heat recovery
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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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Abstract
The utility model discloses a kind of annealing furnace waste-heat recovery device, including：Annealing furnace, it includes bringing-up section and the preheating section being connected with the bringing-up section, and the preheating section connects heat exchanger；Combustion-supporting airduct, it includes supervisor and multiple branched pipes with supervisor's connection, the multiple branched pipe are connected with the bringing-up section respectively；The supervisor is connected with the heat exchanger, and one end of the heat exchanger connects deduster by exhaust column, and the other end connects combustion fan by blast pipe；The deduster is connected by return duct with the blast pipe；The return duct offers smoke exhaust pipe, and the smoke exhaust pipe is connected with waste heat boiler, and the waste heat boiler is provided with chimney；Water tank is provided with the waste heat boiler.Annealing furnace waste-heat recovery device of the present utility model can utilize the heat in the flue gas of discharge, reduce energy resource consumption, reduce production cost.
Description
Technical field
A kind of waste-heat recovery device is the utility model is related to, more particularly to a kind of annealing furnace waste-heat recovery device.
Background technology
Annealing process is had to pass through after stainless steel band cold rolling, the stainless steel after cold rolling is heated to certain temperature, keeps foot
The enough time, then cooled down with suitable speed, its purpose is to improve the institutional framework and performance of stainless steel, so as to reduce not
The hardness of rust steel, eliminates residual stress, makes it easier to cut and improve to obtain more preferable corrosion resistance.Current annealing furnace is adopted
Mode is directly heated with flame-thrower nozzle, the flue gas that high temperature is produced after burning is immediately discharged in air mostly, does not use flue gas
In heat, cause largely to waste, meanwhile, the too low air temperature in combustion air, the heat of fuel combustion is by combustion-supporting sky
It when gas largely absorbs and is less than burning-point, can cause to stop working, if improving the temperature of combustion air, its caloric receptivity can be reduced, to combustion
Burning has larger help.Therefore a kind of heat that can be utilized in the flue gas discharged is needed, reduces the annealing furnace waste heat of energy resource consumption
Retracting device.
Utility model content
The purpose of this utility model is to provide a kind of annealing furnace waste-heat recovery device, and the annealing furnace waste-heat recovery device can
Using the heat in the flue gas of discharge, energy resource consumption is reduced, reduces production cost.
To achieve these goals, the technical solution of the utility model is：
A kind of annealing furnace waste-heat recovery device, it includes：Annealing furnace, it includes bringing-up section and is connected with the bringing-up section
Preheating section, the preheating section connect heat exchanger；
Combustion-supporting airduct, it includes supervisor and multiple branched pipes with supervisor's connection, the multiple branched pipe difference
It is connected with the bringing-up section；
The supervisor is connected with the heat exchanger, and one end of the heat exchanger connects deduster, the other end by exhaust column
Combustion fan is connected by blast pipe；
The deduster is connected by return duct with the blast pipe；
The return duct offers smoke exhaust pipe, and the smoke exhaust pipe is connected with waste heat boiler, and the waste heat boiler is provided with chimney；
Water tank is provided with the waste heat boiler.
Further, pressure-detecting device and discharge pressure pipe are additionally provided with the supervisor；
Check valve is provided between the discharge pressure pipe and the supervisor.
Further, the discharge pressure pipe is provided with multiple steam vents.
Further, it is equipped with temperature sensor on the preheating section and the heat exchanger.
Further, induced draft fans are additionally provided with the return duct.
Further, valve is additionally provided with the return duct, the valve includes：It is arranged on the return duct and the smoke evacuation
The first valve between pipe, the second valve being arranged between the return duct and the blast pipe.
Further, connected between the bringing-up section and the preheating section by flange.
Further, the water tank is provided with water inlet, delivery port.
Compared with prior art, the utility model has following technique effect：
Annealing furnace waste-heat recovery device of the present utility model, one end of its heat exchanger connect deduster by exhaust column, separately
One end connects combustion fan by blast pipe, and the deduster is connected by return duct with the blast pipe, so as to be changed described
After fume treatment that hot device is discharged is complete, after the blast pipe enters the heat exchanger heating, entered through combustion-supporting airduct
Heated in bringing-up section, by improving the temperature of combustion air, the caloric receptivity of combustion air is reduced, so as to prevent fuel combustion
When heat by low temperature combustion air largely absorb and be less than burning-point.The return duct offers smoke exhaust pipe, the smoke exhaust pipe with
Waste heat boiler connects, and the waste heat boiler is provided with chimney, and water tank is provided with the waste heat boiler；High temperature cigarette in the smoke exhaust pipe
Gas is heated to the water tank of the waste heat boiler to act on other processes, rationally using the heat for the flue gas discharged, is reduced
Energy resource consumption and reduction production cost.
In order to more fully understand and implement, the utility model is described in detail below in conjunction with the accompanying drawings.
Brief description of the drawings
Fig. 1 is a kind of structural representation of annealing furnace waste-heat recovery device of the present utility model.
【Reference】
The preheating section 3 of 1 bringing-up section of annealing furnace 2
The combustion-supporting branched pipe 6 of airduct 5 of heat exchanger 4
It is responsible for the combustion fan 9 of 7 deduster 8
The smoke exhaust pipe 12 of 10 return duct of blast pipe 11
The water tank 15 of 13 chimney of waste heat boiler 14
The check valve 18 of 16 discharge pressure pipe of pressure-detecting device 17
The induced draft fans 21 of 19 temperature sensor of steam vent 20
The flange 24 of first 22 second valve of valve 23
Exhaust column 25
Embodiment
In order to be fully understood from the purpose of this utility model, feature and effect, below with reference to accompanying drawing 1 to the utility model
Design, concrete structure and caused technique effect be described further.
As shown in figure 1, a kind of annealing furnace waste-heat recovery device, it includes：
Annealing furnace 1, it includes bringing-up section 2 and the preheating section 3 being connected with the bringing-up section 2, and the connection of preheating section 2 is changed
Hot device 4；
Combustion-supporting airduct 5, it includes supervisor 7 and the multiple branched pipes 6 being connected with the supervisor 7, the multiple branched pipe 6
It is connected respectively with the bringing-up section 2；
The supervisor 7 is connected with the heat exchanger 4, and one end of the heat exchanger 4 connects deduster 8 by exhaust column 25,
The other end connects combustion fan 9 by blast pipe 10；
The deduster 8 is connected by return duct 11 with the blast pipe 10；
The return duct 11 offers smoke exhaust pipe 12, and the smoke exhaust pipe 12 is connected with waste heat boiler 13, the waste heat boiler
13 are provided with chimney 14；Water tank 15 is provided with the waste heat boiler 13.Hot water in the water tank 15 can be used for the life of other processes
In production, so as to rationally utilize waste heat.
Further, pressure-detecting device 16 and discharge pressure pipe 17 are additionally provided with the supervisor 7；
Check valve 18 is provided between the discharge pressure pipe 17 and the supervisor 7.When the pressure-detecting device 16 detects institute
State supervisor 7 pressure it is excessive when, will open the discharge pressure pipe 17 and it is described supervisor 7 between check valve 18, reduce the master
The air pressure of pipe 7, in order to avoid damage device because pressure is excessive；Meanwhile second valve 23 will close, first valve 22
Open, reduce the gas flow that the return duct 11 enters the blast pipe 10, so as to reduce the air pressure of the supervisor 7.
Further, the discharge pressure pipe 17 is provided with multiple steam vents 19.
Further, in order to preferably detect the temperature of the preheating section 3 and the heat exchanger 4, the preheating section 3 and described
Temperature sensor 20 is equipped with heat exchanger 4.
Further, induced draft fans 21 are additionally provided with the return duct 11.
Further, valve is additionally provided with the return duct 11, the valve includes：It is arranged on the return duct and the row
The first valve 22 between smoke pipe 12, the second valve 23 being arranged between the return duct 11 and the blast pipe 10.
Further, connected between the bringing-up section 2 and the preheating section 3 by flange 24, so as to preferably add to described
Hot arc 2 and the preheating section 3 are attached, and reduce heat leakage.
Further, the water tank 15 is provided with water inlet, delivery port.
After the utility model by the flue gas of discharge in the heat exchanger 4 by carrying out dust removal process, through the return duct 11
Enter in the blast pipe 10, the gas in the blast pipe, which is mixed into treated flue gas and entered in the heat exchanger 4, to be added
Heat, then entered through the combustion-supporting airduct 5 in the bringing-up section 2；Combustion air temperature in the combustion-supporting airduct 5 can be up to
It is 200-300 degrees Celsius, higher than in general combustion air temperature, so as to reduce the caloric receptivity of combustion air, when preventing fuel combustion
Heat largely absorbed by low temperature combustion air, avoid bringing-up section temperature unstable.
In description of the present utility model, it is to be understood that when, use the word such as " first ", " second " to limit part side
To, it is only for above-mentioned part is preferably described, does not such as have Stated otherwise, above-mentioned word does not have particular meaning,
Therefore it is not intended that limitation to scope of protection of the utility model.
The utility model is not limited to above-mentioned embodiment, if do not taken off to various changes of the present utility model or deformation
From spirit and scope of the present utility model, if these changes and deformation belong to the claims and equivalents of the utility model
Within the scope of, then the utility model is also intended to comprising these changes and deformation.
Claims (8)
- A kind of 1. annealing furnace waste-heat recovery device, it is characterised in that including：Annealing furnace, it includes bringing-up section and the preheating section being connected with the bringing-up section, and the preheating section connects heat exchanger；Combustion-supporting airduct, it include supervisor and with it is described supervisor connection multiple branched pipes, the multiple branched pipe respectively with institute State bringing-up section connection；The supervisor is connected with the heat exchanger, and one end of the heat exchanger connects deduster by exhaust column, and the other end passes through Blast pipe connects combustion fan；The deduster is connected by return duct with the blast pipe；The return duct offers smoke exhaust pipe, and the smoke exhaust pipe is connected with waste heat boiler, and the waste heat boiler is provided with chimney；It is described Water tank is provided with waste heat boiler.
- 2. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：Pressure-detecting device and discharge pressure pipe are additionally provided with the supervisor；Check valve is provided between the discharge pressure pipe and the supervisor.
- 3. annealing furnace waste-heat recovery device according to claim 2, it is characterised in that：The discharge pressure pipe is provided with multiple steam vents.
- 4. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：Temperature sensor is equipped with the preheating section and the heat exchanger.
- 5. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：Induced draft fans are additionally provided with the return duct.
- 6. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：Valve is additionally provided with the return duct, the valve includes：Be arranged between the return duct and the smoke exhaust pipe One valve, the second valve being arranged between the return duct and blast pipe.
- 7. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：Connected between the bringing-up section and the preheating section by flange.
- 8. annealing furnace waste-heat recovery device according to claim 1, it is characterised in that：The water tank is provided with water inlet, delivery port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028896.XU CN207193330U (en) | 2017-08-16 | 2017-08-16 | A kind of annealing furnace waste-heat recovery device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721028896.XU CN207193330U (en) | 2017-08-16 | 2017-08-16 | A kind of annealing furnace waste-heat recovery device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207193330U true CN207193330U (en) | 2018-04-06 |
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ID=61797790
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721028896.XU Active CN207193330U (en) | 2017-08-16 | 2017-08-16 | A kind of annealing furnace waste-heat recovery device |
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| Country | Link |
|---|---|
| CN (1) | CN207193330U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955285A (en) * | 2018-07-16 | 2018-12-07 | 芜湖辉林奥远自动化科技有限公司 | A kind of residual heat using device of industrial furnace |
| CN111912245A (en) * | 2020-07-24 | 2020-11-10 | 湖北翊通铸业有限公司 | Annealing furnace waste heat recovery utilizes device |
| CN114216346A (en) * | 2021-12-23 | 2022-03-22 | 中冶南方（武汉）热工有限公司 | Cold-rolled stainless steel annealing furnace waste heat gradient recycling system and method |
-
2017
- 2017-08-16 CN CN201721028896.XU patent/CN207193330U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955285A (en) * | 2018-07-16 | 2018-12-07 | 芜湖辉林奥远自动化科技有限公司 | A kind of residual heat using device of industrial furnace |
| CN111912245A (en) * | 2020-07-24 | 2020-11-10 | 湖北翊通铸业有限公司 | Annealing furnace waste heat recovery utilizes device |
| CN114216346A (en) * | 2021-12-23 | 2022-03-22 | 中冶南方（武汉）热工有限公司 | Cold-rolled stainless steel annealing furnace waste heat gradient recycling system and method |
| CN114216346B (en) * | 2021-12-23 | 2023-11-03 | 中冶南方（武汉）热工有限公司 | Cascade recycling system and method for waste heat of cold-rolled stainless steel annealing furnace |
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20230620 Address after: 528000 Gan Jianxiao Workshop No. 1, Shibei Village Committee (Workshop 3), Shishan Town, Nanhai District, Foshan City, Guangdong Province (application for residence) Patentee after: Foshan Hongguan Metal Technology Co.,Ltd. Address before: 528255 Shibei Village Committee, Shishan Town, Nanhai District, Foshan City, Guangdong Province Patentee before: FOSHAN DONGZHENGHONGJUN METAL PRODUCTS Co.,Ltd. |
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| TR01 | Transfer of patent right |