CN110793320B - Melt aluminium stove waste heat recovery and recycle device - Google Patents
Melt aluminium stove waste heat recovery and recycle device Download PDFInfo
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- CN110793320B CN110793320B CN201911064415.4A CN201911064415A CN110793320B CN 110793320 B CN110793320 B CN 110793320B CN 201911064415 A CN201911064415 A CN 201911064415A CN 110793320 B CN110793320 B CN 110793320B
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- heat
- seat
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- heat preservation
- heat storage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D13/00—Apparatus for preheating charges; Arrangements for preheating charges
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D20/00—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00
- F28D20/0056—Heat storage plants or apparatus in general; Regenerative heat-exchange apparatus not covered by groups F28D17/00 or F28D19/00 using solid heat storage material
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B14/00—Crucible or pot furnaces
- F27B14/08—Details peculiar to crucible or pot furnaces
- F27B14/14—Arrangements of heating devices
- F27B2014/146—Recuperation of lost heat, e.g. regenerators
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D17/00—Arrangements for using waste heat; Arrangements for using, or disposing of, waste gases
- F27D17/004—Systems for reclaiming waste heat
- F27D2017/007—Systems for reclaiming waste heat including regenerators
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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
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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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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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The invention discloses a waste heat recycling device of an aluminum melting furnace, which comprises a melting box and a heat regeneration unit, wherein the melting box is provided with a heat exchange cavity; melting box: the top surface of the melting box is provided with a feeding hole; a heat regeneration unit: the backheating unit includes the heat preservation seat, the heating furnace, the second backheat pipe, the heat accumulation section of thick bamboo, the air-blower, insulation can and first backheat pipe, the surface of heat preservation seat is equipped with the heating furnace, and the surface of heating furnace and the bottom surface fixed connection who melts the case, the surface of insulation can is equipped with the heat accumulation section of thick bamboo, and the import of the top surface of heat accumulation section of thick bamboo communicates each other through fourth backheat pipe and the exhaust port that melts the case, one side on the surface of insulation can is located to the air-blower, and the air intake on the top surface air outlet of air-blower and heat accumulation section of thick bamboo side upper portion communicates each other through the tuber pipe, the bottom of heat accumulation section of thick bamboo is equipped with first backheat pipe, and the side that the heat preservation seat was passed to the one end of first backheat pipe extends to the inside of heat preservation seat, this aluminum melting furnace waste heat recovery recycles device can effectual storage waste heat resource, make the waste heat energy make full use of.
Description
Technical Field
The invention relates to the technical field of waste heat recovery, in particular to a waste heat recovery and reutilization device of an aluminum melting furnace.
Background
The waste heat recycling refers to recycling waste heat generated in an industrial process, the waste heat recycling is an important way for improving economy and saving fuel, currently, the main problems of low utilization efficiency, poor economic benefit and high ecological environment pressure still exist in energy utilization in China, energy conservation, emission reduction, energy consumption reduction and energy comprehensive utilization rate improvement are used as important contents of energy development strategy planning, the basic way for solving the energy problem in China is a priority development position, and the existing waste heat recycling technology has the defects that waste heat is dissipated quickly, effective waste heat can not be stored and reserved well, so that the waste heat utilization rate is low, and the waste heat cannot be fully utilized, so that the energy consumption is high.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a waste heat recycling device for an aluminum melting furnace, which can effectively store waste heat resources, fully utilize waste heat energy and effectively solve the problems in the background art.
In order to achieve the purpose, the invention provides the following technical scheme: a waste heat recycling device of an aluminum melting furnace comprises a melting box and a heat recovery unit;
melting box: the melting box is a cylinder, and a feeding hole is formed in the top surface of the melting box;
a heat regeneration unit: the heat recovery unit comprises a heat preservation seat, a heating furnace, second heat recovery pipes, a heat storage barrel, an air blower, a heat preservation box and first heat recovery pipes, the heating furnace is arranged on the surface of the heat preservation seat, the surface of the heating furnace is fixedly connected with the bottom surface of the melting box, the heat storage barrel is arranged on the surface of the heat preservation box, an inlet of the top surface of the heat storage barrel is communicated with a smoke exhaust port of the melting box through a fourth heat recovery pipe, the air blower is arranged on one side of the surface of the heat preservation box, an air outlet of the top surface of the air blower is communicated with an air inlet on the upper portion of the side surface of the heat storage barrel through an air pipe, the first heat recovery pipes are arranged at the bottom of the heat storage barrel, one ends of the first heat recovery pipes penetrate through the side surface of the heat preservation seat and extend into the heat preservation seat, a reversing valve is arranged at one end of the first heat recovery pipes, and openings on two sides of the reversing valve are respectively communicated with one ends of the two second heat recovery pipes, the other end of the second heat return pipe penetrates through the side surface of the heat preservation seat and extends into the heating furnace;
wherein: still include the PLC controller, the side of insulation can is located to the PLC controller, and the output of PLC controller is connected with the input electricity of air-blower and switching-over valve.
Further, a heat storage cylinder still includes ceramic heat storage ball, heat preservation, heat storage chamber and heat preservation seat, the bottom of a heat storage cylinder is located to the heat preservation seat, and the surface of heat preservation seat is equipped with heat storage chamber, ceramic heat storage ball is equipped with in the heat storage chamber, be equipped with the heat preservation between the medial surface of a heat storage cylinder and the lateral surface in heat storage chamber, the heat storage is retrieved with the high-temperature gas that can produce the melting box and is stored, convenient reuse.
Furthermore, the preheating device further comprises a third heat-returning pipe, one end of the third heat-returning pipe penetrates through the side face of the heat-preserving seat and is communicated with one side of the reversing valve, the other end of the third heat-returning pipe is communicated with a preheating seat, a preheating cylinder is arranged on the surface of the preheating seat, an air inlet is formed in the bottom surface of the preheating cylinder, the preheating seat can preheat raw materials to be melted by utilizing heated high-temperature gas, the melting efficiency is improved, and energy is further saved.
Further, still include the base, the surface of base is equipped with the draught fan, the side import of draught fan is equipped with the induced duct, and the one end of induced duct and the side gas outlet intercommunication of preheating the section of thick bamboo, the input of draught fan is connected with the output electricity of PLC controller, and the draught fan can accelerate high-temperature gas's velocity of flow, improves and preheats efficiency to can reduce scattering and disappearing of high-temperature gas.
Further, still include the purifying box, the purifying box is located one side on the surface of base, and the gas vent intercommunication of purifying box has the chimney, and the purifying box is used for purifying the low temperature gas through recycle, makes it reach the atmosphere emission standard, then discharges it into the atmosphere through the chimney.
Compared with the prior art, the invention has the beneficial effects that: this melt aluminium stove waste heat recovery and recycle device has following benefit:
1. this aluminium melting furnace waste heat recovery recycles device's backheat unit can store the high-temperature gas that the melting case produced and reuse, the high-temperature gas in the melting case gets into a heat accumulation section of thick bamboo from the fourth backheat pipe, store the heat, and insulation construction in the heat accumulation section of thick bamboo can prevent that gas temperature from losing in a large number, when needing to utilize, open the air-blower, let in normal atmospheric temperature gas, normal atmospheric temperature gas is through being heated with the high-temperature gas contact, gas after the heating gets into first heat return pipe, control switching-over valve, make first heat return pipe and second backheat pipe intercommunication, thereby make the gas of heating count in the heating furnace, heating furnace heating efficiency is improved.
2. This melt aluminium stove waste heat recovery and recycle device preheating seat can utilize the high-temperature gas that is heated to treat the raw materials of melting and preheat, and during preheating, control switching-over valve makes first backheat pipe and third backheat pipe intercommunication, and high-temperature gas gets into and preheats the raw materials in preheating the hole in the preheating seat, can realize heating while preheating, also can be used for preheating all high-temperature gas.
3. The induced draft fan of the device for recycling the waste heat of the aluminum melting furnace can accelerate the flow velocity of high-temperature gas, reduce the loss of the high-temperature gas and provide power for the discharge of the low-temperature gas after purification.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the vertical cross-section structure of the present invention;
FIG. 3 is a cross-sectional structure of the present invention.
In the figure: the device comprises a regenerative unit 1, a heat preservation seat 11, a heating furnace 12, a second regenerative pipe 13, a heat storage cylinder 14, a ceramic heat storage ball 141, a heat preservation layer 142, a heat storage cavity 143, a heat preservation seat 144, a blower 15, a heat preservation box 16, a first regenerative pipe 17, a melting box 2, a feed port 21, a PLC 22, a reversing valve 3, a third regenerative pipe 31, a preheating seat 32, a preheating cylinder 33, an air inlet 34, a base 4, an induced draft fan 41, a purification box 5 and a chimney 51.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: a waste heat recycling device of an aluminum melting furnace comprises a melting box 2 and a heat recovery unit 1;
melting box 2: the melting box 2 is a cylinder, and the top surface of the melting box 2 is provided with a feeding hole 21;
the heat regeneration unit 1: the regenerative unit 1 comprises a heat preservation seat 11, a heating furnace 12, a second regenerative pipe 13, a heat storage cylinder 14, a blower 15, a heat preservation box 16 and a first regenerative pipe 17, the heating furnace 12 is arranged on the surface of the heat preservation seat 11, the surface of the heating furnace 12 is fixedly connected with the bottom surface of the melting box 2, the heat storage cylinder 14 is arranged on the surface of the heat preservation box 16, an inlet of the top surface of the heat storage cylinder 14 is communicated with a smoke outlet of the melting box 2 through a fourth regenerative pipe, the heat storage cylinder 14 further comprises a ceramic heat storage ball 141, a heat preservation layer 142, a heat storage cavity 143 and a heat preservation seat 144, the heat preservation seat 144 is arranged at the bottom of the heat storage cylinder 14, the heat preservation cavity 143 is arranged on the surface of the heat preservation seat 144, the ceramic heat storage ball 141 is arranged in the heat storage cavity 143, the heat preservation layer 142 is arranged between the inner side surface of the heat storage cylinder 14 and the outer side surface of the heat storage cavity 143, the blower 15 is arranged on one side of the surface of the heat preservation box 16, an air outlet of the top surface of the blower 15 is communicated with an air inlet of the upper portion of the heat storage cylinder 14 through an air pipe, a first heat return pipe 17 is arranged at the bottom of the heat storage cylinder 14, one end of the first heat return pipe 17 penetrates through the side surface of the heat preservation seat 11 and extends into the heat preservation seat 11, a reversing valve 3 is arranged at one end of the first heat return pipe 17 positioned in the heat preservation seat 11, openings on two sides of the reversing valve 3 are respectively communicated with one ends of two second heat return pipes 13, and the other end of each second heat return pipe 13 penetrates through the side surface of the heat preservation seat 11 and extends into the heating furnace 12;
wherein: still include PLC controller 22, PLC controller 22 locates the side of insulation can 16, and PLC controller 22's output is connected with the input of air-blower 15 and switching-over valve 3 electricity.
Wherein: the heat preservation device further comprises a third heat recovery pipe 31, one end of the third heat recovery pipe 31 penetrates through the side face of the heat preservation seat 11 and is communicated with one side of the reversing valve 3, the other end of the third heat recovery pipe 31 is communicated with a preheating seat 32, a preheating cylinder 33 is arranged on the surface of the preheating seat 32, and an air inlet 34 is formed in the bottom face of the preheating cylinder 33; the preheating device is characterized by further comprising a base 4, wherein an induced draft fan 41 is arranged on the surface of the base 4, an induced draft pipe is arranged at a side inlet of the induced draft fan 41, one end of the induced draft pipe is communicated with a side air outlet of the preheating cylinder 33, and an input end of the induced draft fan 41 is electrically connected with an output end of the PLC 22; the device further comprises a purifying box 5, wherein the purifying box 5 is arranged on one side of the surface of the base 4, and an exhaust port of the purifying box 5 is communicated with a chimney 51.
The regenerative unit 1 can store the high temperature generated by the melting tank 2 for reuse, the high temperature gas in the melting tank 2 enters the heat storage cylinder 14 from the fourth regenerative tube, the ceramic heat storage ball 141 in the heat storage cylinder 14 can store the heat, and the heat preservation layer 142 and the heat preservation seat 144 in the heat storage cylinder 14 can prevent the gas temperature from losing in a large amount, when the regenerative unit is reused, the air blower 15 is opened, the normal temperature gas is introduced into the heat storage cylinder 14, the normal temperature gas is heated by contacting with the high temperature gas, the heated gas enters the first regenerative tube 17, the reversing valve 3 is controlled, the first regenerative tube 17 is communicated with the second regenerative tube 13, so that the heated gas enters the heating furnace 12, and the heating efficiency of the heating furnace 12 is improved.
When in use:
firstly, the PLC 22 is opened, the high temperature generated by the melting box 2 is stored by the heat recovery unit 1 for reuse, the high temperature gas in the melting box 2 enters the heat storage cylinder 14 from the fourth heat recovery pipe, the ceramic heat storage ball 141 in the heat storage cylinder 14 can store heat, the heat insulation layer 142 and the heat insulation seat 144 in the heat storage cylinder 14 can prevent a large loss of gas temperature, when the use is needed, the blower 15 is opened, the normal temperature gas is introduced into the heat storage cylinder 14, the normal temperature gas is heated by contacting with the high temperature gas, the heated gas enters the first heat recovery pipe 17, the reversing valve 3 is controlled, the first heat recovery pipe 17 is communicated with the second heat recovery pipe 13, the heated gas enters the heating furnace 12, the heating efficiency of the heating furnace 12 is improved, the preheating seat 32 can preheat the raw material to be melted by the heated high temperature gas, the reversing valve 3 is controlled when preheating, the first heat recovery pipe 17 and the third heat recovery pipe 31 are communicated with high-temperature gas to enter the preheating seat 32 to preheat the raw material in the preheating hole 33, so that the preheating can be realized while heating, all the high-temperature gas can be used for preheating, the induced draft fan 41 can accelerate the flow rate of the high-temperature gas, reduce the loss of the high-temperature gas, and provide power for discharging the low-temperature gas through the chimney 51 after the low-temperature gas enters the purifying box 5 for purification.
It should be noted that, in this embodiment, the specific model of the PLC controller 22 is siemens S7-300, the blower 15, the reversing valve 3, and the induced draft fan 41 may be freely configured according to an actual application scenario, the blower 15 may be an RB-750H blower available from beijing full wind turbine electrical equipment ltd, the reversing valve 3 may be a K23JK series reversing valve available from china air ventilation manufacturing ltd, and the induced draft fan 41 may be a 4-79 centrifugal induced draft fan available from zhu pioneer department fan ltd. The PLC 22 controls the blower 15, the reversing valve 3 and the induced draft fan 41 to work by adopting a method commonly used in the prior art.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (3)
1. The utility model provides a melt aluminium stove waste heat recovery and recycle device which characterized in that: comprises a melting box (2) and a heat recovery unit (1);
melting box (2): the melting box (2) is a cylinder, and a feeding hole (21) is formed in the top surface of the melting box (2);
regenerative unit (1): the heat recovery unit (1) comprises a heat preservation seat (11), a heating furnace (12), a second heat recovery pipe (13), a heat storage cylinder (14), an air blower (15), a heat preservation box (16) and a first heat recovery pipe (17), wherein the heating furnace (12) is arranged on the surface of the heat preservation seat (11), the surface of the heating furnace (12) is fixedly connected with the bottom surface of the melting box (2), the heat storage cylinder (14) is arranged on the surface of the heat preservation box (16), an inlet of the top surface of the heat storage cylinder (14) is communicated with a smoke exhaust port of the melting box (2) through a fourth heat recovery pipe, the air blower (15) is arranged on one side of the surface of the heat preservation box (16), an air outlet of the top surface of the air blower (15) is communicated with an air inlet of the upper portion of the side surface of the heat storage cylinder (14), the first heat recovery pipe (17) is arranged at the bottom of the heat storage cylinder (14), and one end of the first heat recovery pipe (17) penetrates through the side surface of the heat preservation seat (11) and extends to the inside of the heat preservation seat (11), a reversing valve (3) is arranged at one end of the first heat return pipe (17) positioned in the heat preservation seat (11), openings on two sides of the reversing valve (3) are respectively communicated with one ends of two second heat return pipes (13), and the other ends of the second heat return pipes (13) penetrate through the side surface of the heat preservation seat (11) and extend to the interior of the heating furnace (12);
wherein: the heat preservation box is characterized by further comprising a PLC (22), wherein the PLC (22) is arranged on the side face of the heat preservation box (16), and the output end of the PLC (22) is electrically connected with the air blower (15) and the input end of the reversing valve (3);
the heat storage cylinder (14) further comprises a ceramic heat storage ball (141), a heat insulation layer (142), a heat storage cavity (143) and a heat insulation seat (144), the heat insulation seat (144) is arranged at the bottom of the heat storage cylinder (14), the surface of the heat insulation seat (144) is provided with the heat storage cavity (143), the ceramic heat storage ball (141) is arranged in the heat storage cavity (143), and the heat insulation layer (142) is arranged between the inner side surface of the heat storage cylinder (14) and the outer side surface of the heat storage cavity (143); the heat preservation device is characterized by further comprising a third heat return pipe (31), one end of the third heat return pipe (31) penetrates through the side face of the heat preservation seat (11) and is communicated with one side of the reversing valve (3), the other end of the third heat return pipe (31) is communicated with a preheating seat (32), a preheating cylinder (33) is arranged on the surface of the preheating seat (32), and an air inlet (34) is formed in the bottom face of the preheating cylinder (33).
2. The aluminum melting furnace waste heat recovery and reuse device according to claim 1, characterized in that: still include base (4), the surface of base (4) is equipped with draught fan (41), the side import of draught fan (41) is equipped with the induced air pipe, and the one end of induced air pipe and the side gas outlet intercommunication of preheating a section of thick bamboo (33), the input of draught fan (41) is connected with the output electricity of PLC controller (22).
3. The aluminum melting furnace waste heat recovery and reuse device according to claim 1, characterized in that: still include purifying box (5), one side on the surface of base (4) is located in purifying box (5), and the gas vent intercommunication of purifying box (5) has chimney (51).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064415.4A CN110793320B (en) | 2019-10-24 | 2019-10-24 | Melt aluminium stove waste heat recovery and recycle device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911064415.4A CN110793320B (en) | 2019-10-24 | 2019-10-24 | Melt aluminium stove waste heat recovery and recycle device |
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| Publication Number | Publication Date |
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| CN110793320A CN110793320A (en) | 2020-02-14 |
| CN110793320B true CN110793320B (en) | 2021-07-30 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201911064415.4A Active CN110793320B (en) | 2019-10-24 | 2019-10-24 | Melt aluminium stove waste heat recovery and recycle device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944674A (en) * | 1988-11-08 | 1990-07-31 | British Gas Plc | Apparatus for heating a vessel |
| CN101846459A (en) * | 2009-03-26 | 2010-09-29 | 上海宝钢化工有限公司 | Method for recycling waste heat of flue gas of heating furnace and heating furnace system |
| CN202253729U (en) * | 2011-09-29 | 2012-05-30 | 岳阳钟鼎热工电磁科技有限公司 | Continuous heat accumulation type preheater sealing device |
| CN103471410A (en) * | 2013-09-17 | 2013-12-25 | 李�杰 | Residual heat recycling method and system for fuel heating furnace |
| CN203454817U (en) * | 2013-08-08 | 2014-02-26 | 广东华昌铝厂有限公司 | Waste heat recycling mechanism of aluminum melting furnace |
| CN104165528A (en) * | 2014-08-05 | 2014-11-26 | 宁夏共享铸钢有限公司 | Flue gas waste heat utilization device of heat treatment furnace |
| CN106996694A (en) * | 2017-05-17 | 2017-08-01 | 苏州鼎佳炉窑科技有限公司 | Aluminium melting furnace ceramic honeycomb body heat storage tank |
| CN109579523A (en) * | 2018-11-29 | 2019-04-05 | 大余明发矿业有限公司 | A kind of modified natural gas heat accumulated type lead-melting furnace |
-
2019
- 2019-10-24 CN CN201911064415.4A patent/CN110793320B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4944674A (en) * | 1988-11-08 | 1990-07-31 | British Gas Plc | Apparatus for heating a vessel |
| CN101846459A (en) * | 2009-03-26 | 2010-09-29 | 上海宝钢化工有限公司 | Method for recycling waste heat of flue gas of heating furnace and heating furnace system |
| CN202253729U (en) * | 2011-09-29 | 2012-05-30 | 岳阳钟鼎热工电磁科技有限公司 | Continuous heat accumulation type preheater sealing device |
| CN203454817U (en) * | 2013-08-08 | 2014-02-26 | 广东华昌铝厂有限公司 | Waste heat recycling mechanism of aluminum melting furnace |
| CN103471410A (en) * | 2013-09-17 | 2013-12-25 | 李�杰 | Residual heat recycling method and system for fuel heating furnace |
| CN104165528A (en) * | 2014-08-05 | 2014-11-26 | 宁夏共享铸钢有限公司 | Flue gas waste heat utilization device of heat treatment furnace |
| CN106996694A (en) * | 2017-05-17 | 2017-08-01 | 苏州鼎佳炉窑科技有限公司 | Aluminium melting furnace ceramic honeycomb body heat storage tank |
| CN109579523A (en) * | 2018-11-29 | 2019-04-05 | 大余明发矿业有限公司 | A kind of modified natural gas heat accumulated type lead-melting furnace |
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|---|---|
| CN110793320A (en) | 2020-02-14 |
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