CN103398592A - Heat recovery system of aluminum homogeneous furnace - Google Patents
Heat recovery system of aluminum homogeneous furnace Download PDFInfo
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- CN103398592A CN103398592A CN2013103627890A CN201310362789A CN103398592A CN 103398592 A CN103398592 A CN 103398592A CN 2013103627890 A CN2013103627890 A CN 2013103627890A CN 201310362789 A CN201310362789 A CN 201310362789A CN 103398592 A CN103398592 A CN 103398592A
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- switch valve
- preheating chamber
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- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 title claims abstract description 54
- 229910052782 aluminium Inorganic materials 0.000 title claims abstract description 54
- 238000011084 recovery Methods 0.000 title claims abstract description 26
- 238000003860 storage Methods 0.000 claims abstract description 92
- 238000001816 cooling Methods 0.000 claims abstract description 29
- 239000002918 waste heat Substances 0.000 claims abstract description 10
- 238000010438 heat treatment Methods 0.000 claims abstract description 9
- 239000004411 aluminium Substances 0.000 claims description 45
- 239000011232 storage material Substances 0.000 claims description 24
- 230000008859 change Effects 0.000 claims description 10
- 238000004146 energy storage Methods 0.000 claims description 10
- 239000007791 liquid phase Substances 0.000 claims description 10
- 238000011144 upstream manufacturing Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- 229910002651 NO3 Inorganic materials 0.000 claims description 3
- NHNBFGGVMKEFGY-UHFFFAOYSA-N nitrate group Chemical group [N+](=O)([O-])[O-] NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 claims description 3
- 239000012188 paraffin wax Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 abstract description 14
- 235000010210 aluminium Nutrition 0.000 description 30
- 230000032683 aging Effects 0.000 description 4
- 238000004519 manufacturing process Methods 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 239000002912 waste gas Substances 0.000 description 3
- 239000002699 waste material Substances 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 230000006698 induction Effects 0.000 description 2
- 230000009466 transformation Effects 0.000 description 2
- 241000208125 Nicotiana Species 0.000 description 1
- 235000002637 Nicotiana tabacum Nutrition 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000001035 drying Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000005453 pelletization Methods 0.000 description 1
- 238000004904 shortening Methods 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
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Abstract
The invention discloses a heat recovery system of an aluminum homogeneous furnace. The heat recovery system comprises a furnace body, a nozzle group and a cooling-preheating chamber, wherein a hearth used for heating an aluminum material is formed on the furnace body; the nozzle group is arranged on the end wall of one side of the hearth; and the cooling-preheating chamber comprises an air inlet passage, a material storage space and an exhaust passage which are communicated sequentially. When the cooling-preheating chamber is used as a cooling chamber, the heated aluminum material from the hearth is placed in the material storage space; and cold air from the air inlet passage cools the aluminum material in the material storage space, and then is exhausted out of the cooling chamber through the exhaust passage. The system further comprises a first heat reservoir which is arranged in the exhaust passage of the cooling-preheating chamber; when the cooling-preheating chamber is used as the cooling chamber, the first heat reservoir is used for absorbing waste heat of air flowing through the exhaust passage; and when the cooling-preheating chamber is used as a preheating chamber, the cold aluminum material is placed in the material storage space, and cold air is heated through the first heat reservoir and then fed into the air inlet passage for preheating the aluminum material in the material storage space.
Description
Technical field
The present invention relates to a kind of residual neat recovering system, particularly a kind of residual neat recovering system for homogeneous furnace.
Background technology
In the face of increasingly serious environmental problem and energy crisis; energy-saving and emission-reduction are all being advocated energetically in the whole world; especially for consuming energy and polluting all more serious Industrial Stoves related industry; how to carry out the energy-saving and emission-reduction transformation, become those skilled in the art must consider when this kind equipment of design factor.
Take the aluminium homogeneous furnace as example, the air themperature in its cooling chamber exit can reach 400 degrees centigrade of left and right usually., if these high temperature airs directly are discharged in environment, not only can cause energy waste also can cause to a certain degree destruction to environment.
as No. 201020562151.3 disclosed a kind of homogeneous furnaces of Chinese patent and aging furnace pre-heating system, comprise homogeneous furnace, the waste gas induction system, aging furnace, wherein, described waste gas induction system comprises pipeline, valve, three parts of blower fan, one, pipeline is connected on the smoke exhaust pipe of homogeneous furnace, then pipeline is being connected to the inlet scoop of blower fan, centre is connecting by two valves, a valve is to allow waste gas directly discharge or be discharged to dust pelletizing system process rear in discharging, a valve is to be communicated with blower fan to locate to inlet scoop, the fan outlet place is connected on aging furnace by pipeline and blower fan.This patented technology has been utilized the fume afterheat of homogeneous furnace, yet it does not consider the UTILIZATION OF VESIDUAL HEAT IN problem of cooling chamber.
No. 201110380687.2 disclosed a kind of Waste heat comprehensive utilization system in aluminum profile production lines of Chinese patent application and for example, be communicated with the composition Waste heat comprehensive utilization system in aluminum profile production line by smoke discharging pipe, the flue gas transport net that send smoke pipeline, tobacco transmission pipe, exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and send the cigarette valve to form with the casting furnace on aluminium section bar production line, aluminium ingot preheating chamber, homogeneous furnace, aluminum-bar heating furnace, aging furnace, curing oven and drying oven.Waste heat in the high-temperature flue gas that this system can be discharged the upstream high temperature furnace on aluminium section bar production line is assigned in each low temperature oven of downstream, and the waste heat of each stove can be taken full advantage of by the downstream stove.Yet the designed bootstrap system construction cost of this patent application is too high, especially is not suitable for the energy-saving and emission-reduction transformation to existing equipment.
Therefore, provide a kind of aluminium homogeneous furnace heat recovery system that can take full advantage of the cooling chamber waste heat and make structure simplify to become urgent problem in the industry.
Summary of the invention
The purpose of this invention is to provide a kind of aluminium homogeneous furnace heat recovery system, this system can fully be recycled the cooling chamber waste heat.
According to the solution of the present invention, a kind of aluminium homogeneous furnace heat recovery system is provided, comprising: body of heater is provided with the burner hearth for the heating aluminium in body of heater; Nozzle sets, nozzle sets are arranged on a side wall of burner hearth; And cooling-preheating chamber, cooling-preheating chamber comprises inlet channel, storage material space, the exhaust passage that is communicated with successively, when cooling-preheating chamber uses as cooling chamber, be positioned in storage material space from the aluminium after the heating of burner hearth, from the cold air of inlet channel, the aluminium in storage material space carried out cooling by by exhaust passage, discharging cooling chamber.Wherein, aluminium homogeneous furnace heat recovery system further comprises the first thermal storage device, the first thermal storage device is arranged in the exhaust passage of cooling-preheating chamber, and when cooling-preheating chamber used as cooling chamber, the first thermal storage device was for the waste heat of the air that absorbs the exhaust passage of flowing through; When cooling-preheating chamber used as preheating chamber, cold aluminium was positioned in storage material space, sent into inlet channel after cold air is heated via the first thermal storage device and carried out preheating with the aluminium in storage material space.
Preferably, aluminium homogeneous furnace heat recovery system may further include the bypass passageways that is connected in exhaust passage, on the air-flow direction of exhaust passage, the entrance of bypass passageways is in the upstream of the first thermal storage device, and the outlet of bypass passageways is in the downstream of the first thermal storage device.
Preferably, bypass passageways can be provided with switch valve, and when cooling-preheating chamber used as preheating chamber, the switch valve of bypass passageways was opened, and when cooling-preheating chamber used as cooling chamber, the switch valve of bypass passageways cut out.
Preferably, exhaust passage can further be provided with switch valve, on the air-flow direction of exhaust passage, the switch valve of exhaust passage is between the entrance and the first thermal storage device of bypass passageways, when cooling-preheating chamber uses as preheating chamber, the switch valve of exhaust passage cuts out, and when cooling-preheating chamber used as cooling chamber, the switch valve of exhaust passage was opened.
Preferably, the first thermal storage device comprises cool air inlet, cool air inlet switch valve, hot air outlet, hot air outlet switch valve, the cool air inlet of the first thermal storage device is communicated with the first blower fan, the hot air outlet of the first thermal storage device is communicated with inlet channel by pipeline, when cooling-preheating chamber uses as preheating chamber, cool air inlet switch valve and the hot air outlet switch valve of the first thermal storage device are opened, when cooling-preheating chamber used as cooling chamber, cool air inlet switch valve and the hot air outlet switch valve of the first thermal storage device were closed.
Preferably, inlet channel further is provided with switch valve, on the air-flow direction of inlet channel, the switch valve of inlet channel is positioned at the upstream that is communicated with position of hot air outlet with the inlet channel of the first thermal storage device, when cooling-preheating chamber uses as preheating chamber, the switch valve of inlet channel cuts out, and when cooling-preheating chamber used as cooling chamber, the switch valve of inlet channel was opened.
Selectively, aluminium homogeneous furnace heat recovery system may further include the second thermal storage device, and on the air-flow direction of exhaust passage, the second thermal storage device is between the outlet of the first thermal storage device and bypass passageways.
Selectively, the second thermal storage device can comprise cool air inlet, cool air inlet switch valve, hot air outlet, hot air outlet switch valve, the cool air inlet of the second thermal storage device is communicated with the second blower fan, the hot air outlet of the second thermal storage device is communicated with nozzle sets by pipeline, when cooling-preheating chamber uses as preheating chamber, cool air inlet switch valve and the hot air outlet switch valve of the second thermal storage device are opened, when cooling-preheating chamber used as cooling chamber, cool air inlet switch valve and the hot air outlet switch valve of the second thermal storage device were closed.
Preferably, the first thermal storage device and the second thermal storage device include housing and are contained in several interior heat-storing spheres of housing, and each heat-storing sphere comprises spherical shell and is sealed in the interior solid-liquid phase change energy storage material of spherical shell.
Preferably, the solid-liquid phase change energy storage material of the first thermal storage device is nitrate, and the solid-liquid phase change energy storage material of the second thermal storage device is paraffin.
Selectively, the first thermal storage device and the second thermal storage device can adopt the heat-storing material of other form, such as honeycomb heat accumulation body.
Selectively, the switch valve that relates in the present invention can be hand-operated valve, preferably, and can be for magnetic valve to coordinate control system to realize automatically controlling.
Selectively, the first thermal storage device adopts the heat-storing material that is suitable for 250～300 degrees centigrade of operating modes, and the second thermal storage device adopts the heat-storing material that is suitable for 150～200 degrees centigrade of operating modes.
Selectively, nozzle sets comprises several nozzles on a side wall that is evenly distributed on burner hearth.
The invention has the beneficial effects as follows: (1), the first thermal storage device, the second thermal storage device classification are arranged in the exhaust passage of cooling chamber, can fully recycle the waste heat of cooling chamber, avoid energy waste; (2), adopt cooling-preheating chamber structure, just can make cooling-preheating chamber convenient switching between refrigerating function and preheat function by controlling corresponding switch valve, this has simplified System Construction, has reduced equipment cost, has improved utilization ratio of device; (3), before aluminium enters homogeneous furnace and heat-treats, aluminium is carried out preheating after utilizing the heat of the first thermal storage device savings to add hot-air, can save energy consumption for homogeneous furnace; (4), utilize after the heat preheated air of the second thermal storage device savings that to send into nozzle sets combustion-supporting, the thermal efficiency of homogeneous furnace can be provided; (5), the heat of the first thermal storage device savings directly utilizes nearby in cooling-preheating chamber, can the shortening heat transmission path, reduce heat loss.
Description of drawings
Fig. 1 show aluminium homogeneous furnace heat recovery system of the present invention cooling-schematic diagram when preheating chamber uses as cooling chamber.
Fig. 2 show aluminium homogeneous furnace heat recovery system of the present invention cooling-schematic diagram when preheating chamber uses as preheating chamber.
The specific embodiment
Please refer to Fig. 1 and Fig. 2, according to one embodiment of the present invention, aluminium homogeneous furnace heat recovery system comprises body of heater 100, nozzle sets 120 and cooling-preheating chamber 200.
Be provided with the burner hearth (not shown) for the heating aluminium in body of heater 100.Nozzle sets 120 is arranged on a side wall of burner hearth.Cooling-preheating chamber 200 comprises inlet channel 210, storage material space 220, exhaust passage 230, bypass passageways 240, the first thermal storage device 250 and the second thermal storage device 260.230 air-flow direction sets gradually along exhaust passage for the first thermal storage device 250 and the second thermal storage device 260.
On the air-flow direction of exhaust passage 230, the entrance 241 of bypass passageways 240 is in the upstream of the first thermal storage device 250, and the outlet 242 of bypass passageways 240 is in the downstream of the second thermal storage device 260.Bypass passageways 240 is provided with switch valve 245.
The first thermal storage device 250 comprises cool air inlet 251, cool air inlet switch valve 252, hot air outlet 255 and hot air outlet switch valve 256.The cool air inlet 251 of the first thermal storage device 250 is communicated with the first blower fan 300, and the hot air outlet 255 of the first thermal storage device 250 is communicated with inlet channel 210 by fluid line.
In the non-limiting embodiment of Figure 1 and Figure 2, the first thermal storage device 250 comprises the housing (not shown) and is contained in several interior heat-storing sphere (not shown) of housing, each heat-storing sphere comprises spherical shell and is sealed in solid-liquid phase change energy storage material in spherical shell, and the solid-liquid phase change energy storage material of the first thermal storage device 250 is nitrate.
The second thermal storage device 260 comprises cool air inlet 261, cool air inlet switch valve 262, hot air outlet 265, hot air outlet switch valve 266.The cool air inlet 261 of the second thermal storage device 260 is communicated with the second blower fan 400, and the hot air outlet 265 of the second thermal storage device 260 is communicated with nozzle sets 120 by fluid line.
In the non-limiting embodiment of Figure 1 and Figure 2, the second thermal storage device 260 comprises the housing (not shown) and is contained in several interior heat-storing sphere (not shown) of housing, each heat-storing sphere comprises spherical shell and is sealed in solid-liquid phase change energy storage material in spherical shell, and the solid-liquid phase change energy storage material of the second thermal storage device 260 is paraffin.
Of the present invention cooling-preheating chamber 200 can switch between refrigerating function and preheat function.
As a kind of non-limiting mode of operation, please refer to Fig. 1, when cooling-preheating chamber 200 used as cooling chamber, the switch valve 215 of inlet channel 210 was opened; The switch valve 235 of exhaust passage 230 is opened; The switch valve 245 of bypass passageways 240 cuts out; Cool air inlet switch valve 252 and the hot air outlet switch valve 256 of the first thermal storage device 250 are closed; Cool air inlet switch valve 262 and the hot air outlet switch valve 266 of the second thermal storage device 260 are closed.At this moment, be positioned in storage material space 220 from the aluminium 500 after the heating of burner hearth, carry out coolingly via the aluminiums 500 in 210 pairs of storage material spaces 220 of inlet channel from the cold air (such as the surrounding air of 20 degrees centigrade of left and right) of the 3rd blower fan 900, air is discharged by exhaust passage 230 after then via the first thermal storage device 250 and the second thermal storage device 260, absorbing waste heats.
As a kind of non-limiting mode of operation, please refer to Fig. 2, when cooling-preheating chamber 200 used as preheating chamber, the switch valve 215 of inlet channel 210 cut out; The switch valve 235 of exhaust passage 230 cuts out; The switch valve 245 of bypass passageways 240 is opened; Cool air inlet switch valve 252 and the hot air outlet switch valve 256 of the first thermal storage device 250 are opened; Cool air inlet switch valve 262 and the hot air outlet switch valve 266 of the second thermal storage device 260 are opened.At this moment, cold aluminium 600 is positioned in storage material space 220, cold air (such as the surrounding air of 20 degrees centigrade of left and right) from the first blower fan 300 is heated to 260 degrees centigrade of left and right via the first thermal storage device 250, then send into inlet channel 210 and be preheated to 200 degrees centigrade of left and right with the cold aluminium 600 that will store up in material space 220, air is with by bypass passageways 240, discharging.Cold air (such as the surrounding air of 20 degrees centigrade of left and right) from the second blower fan 400 is preheated to the hot-air of 80 degrees centigrade of left and right and by fluid line, is delivered to nozzle sets 120 for combustion-supporting via the second thermal storage device 260.
, as a kind of alternate embodiments, the second thermal storage device 260 can be set as required or as required the 3rd thermal storage device can be set further.
Although at this, described the preferred embodiment of the present invention in detail, but should be understood that the present invention is not limited to the concrete structure of describing in detail and illustrating here, in the situation that do not depart from the spirit and scope of the invention, can be realized by those skilled in the art other modification and variant.For example, aluminium is bar-shaped in non-limiting embodiment shown in Figure 1, yet aluminium can have any shape, such as I shape.In addition, system temperature and pressure parameter everywhere can suitably be chosen according to concrete application conditions in scope disclosed in this invention.
Claims (10)
1. aluminium homogeneous furnace heat recovery system comprises:
Body of heater, be provided with the burner hearth for the heating aluminium in described body of heater;
Nozzle sets, described nozzle sets are arranged on a side wall of described burner hearth; And
Cooling-preheating chamber, described cooling-preheating chamber comprises successively inlet channel, storage material space, the exhaust passage that is communicated with, when described cooling-when preheating chamber uses as cooling chamber, be positioned in described storage material space from the aluminium after the heating of described burner hearth, from the cold air of described inlet channel, the aluminium in described storage material space carried out cooling by by described exhaust passage, discharging described cooling chamber;
It is characterized in that:
Described aluminium homogeneous furnace heat recovery system further comprises the first thermal storage device, described the first thermal storage device be arranged at described cooling-the described exhaust passage of preheating chamber in, when described cooling-when preheating chamber used as cooling chamber, described the first thermal storage device be used for to absorb the waste heat of the air of the described exhaust passage of flowing through; When described cooling-when preheating chamber used as preheating chamber, cold aluminium was positioned in described storage material space, send into described inlet channel after cold air is heated via described the first thermal storage device and carry out preheating with the aluminium in described storage material space.
2. aluminium homogeneous furnace heat recovery system as claimed in claim 1, it is characterized in that, described aluminium homogeneous furnace heat recovery system further comprises the bypass passageways that is connected in described exhaust passage, on the air-flow direction of described exhaust passage, the entrance of described bypass passageways is in the upstream of described the first thermal storage device, and the outlet of described bypass passageways is in the downstream of described the first thermal storage device.
3. aluminium homogeneous furnace heat recovery system as claimed in claim 2, it is characterized in that, described bypass passageways is provided with switch valve, when described cooling-when preheating chamber uses as preheating chamber, the switch valve of described bypass passageways is opened, when described cooling-when preheating chamber used as cooling chamber, the switch valve of described bypass passageways cut out.
4. aluminium homogeneous furnace heat recovery system as claimed in claim 3, it is characterized in that, described exhaust passage further is provided with switch valve, on the air-flow direction of described exhaust passage, the switch valve of described exhaust passage between the entrance and described the first thermal storage device of described bypass passageways, when described cooling-when preheating chamber used as preheating chamber, the switch valve of described exhaust passage cut out, when described cooling-when preheating chamber used as cooling chamber, the switch valve of described exhaust passage was opened.
5. aluminium homogeneous furnace heat recovery system as claimed in claim 4, it is characterized in that, described the first thermal storage device comprises cool air inlet, the cool air inlet switch valve, hot air outlet, the hot air outlet switch valve, the described cool air inlet of described the first thermal storage device is communicated with the first blower fan, the described hot air outlet of described the first thermal storage device is communicated with described inlet channel by pipeline, when described cooling-when preheating chamber uses as preheating chamber, described cool air inlet switch valve and the described hot air outlet switch valve of described the first thermal storage device are opened, when described cooling-when preheating chamber uses as cooling chamber, described cool air inlet switch valve and the described hot air outlet switch valve of described the first thermal storage device are closed.
6. aluminium homogeneous furnace heat recovery system as claimed in claim 5, it is characterized in that, described inlet channel further is provided with switch valve, on the air-flow direction of described inlet channel, the switch valve of described inlet channel is positioned at the upstream that is communicated with position of described hot air outlet with the described inlet channel of described the first thermal storage device, when described cooling-when preheating chamber uses as preheating chamber, the switch valve of described inlet channel cuts out, when described cooling-when preheating chamber used as cooling chamber, the switch valve of described inlet channel was opened.
7. aluminium homogeneous furnace heat recovery system as described in any one in claim 1～6, it is characterized in that, described aluminium homogeneous furnace heat recovery system further comprises the second thermal storage device, on the air-flow direction of described exhaust passage, described the second thermal storage device is between the outlet of described the first thermal storage device and described bypass passageways.
8. aluminium homogeneous furnace heat recovery system as claimed in claim 7, it is characterized in that, described the second thermal storage device comprises cool air inlet, the cool air inlet switch valve, hot air outlet, the hot air outlet switch valve, the described cool air inlet of described the second thermal storage device is communicated with the second blower fan, the described hot air outlet of described the second thermal storage device is communicated with described nozzle sets by pipeline, when described cooling-when preheating chamber uses as preheating chamber, described cool air inlet switch valve and the described hot air outlet switch valve of described the second thermal storage device are opened, when described cooling-when preheating chamber uses as cooling chamber, described cool air inlet switch valve and the described hot air outlet switch valve of described the second thermal storage device are closed.
9. aluminium homogeneous furnace heat recovery system as claimed in claim 8, it is characterized in that, described the first thermal storage device and described the second thermal storage device include housing and are contained in several interior heat-storing spheres of described housing, and each described heat-storing sphere comprises spherical shell and is sealed in the interior solid-liquid phase change energy storage material of described spherical shell.
10. aluminium homogeneous furnace heat recovery system as claimed in claim 9, is characterized in that, the described solid-liquid phase change energy storage material of described the first thermal storage device is nitrate, and the described solid-liquid phase change energy storage material of described the second thermal storage device is paraffin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362789.0A CN103398592B (en) | 2013-08-19 | 2013-08-19 | Heat recovery system of aluminum homogeneous furnace |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310362789.0A CN103398592B (en) | 2013-08-19 | 2013-08-19 | Heat recovery system of aluminum homogeneous furnace |
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| CN103398592A true CN103398592A (en) | 2013-11-20 |
| CN103398592B CN103398592B (en) | 2015-04-29 |
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| CN201310362789.0A Expired - Fee Related CN103398592B (en) | 2013-08-19 | 2013-08-19 | Heat recovery system of aluminum homogeneous furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112179154A (en) * | 2020-09-24 | 2021-01-05 | 东北大学 | Two-stage phase-change recovery and storage device for metallurgical flue gas waste heat |
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| CN102410744A (en) * | 2011-11-25 | 2012-04-11 | 佛山市通润热能科技有限公司 | Waste heat comprehensive utilization system in aluminum profile production line |
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- 2013-08-19 CN CN201310362789.0A patent/CN103398592B/en not_active Expired - Fee Related
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|---|---|---|---|---|
| JPH09210346A (en) * | 1996-02-02 | 1997-08-12 | Osaka Gas Co Ltd | Metal vapor deposition preventing method of heat storage alternate combustion furnace |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN112179154A (en) * | 2020-09-24 | 2021-01-05 | 东北大学 | Two-stage phase-change recovery and storage device for metallurgical flue gas waste heat |
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| CN103398592B (en) | 2015-04-29 |
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