CN102410744A - Waste heat comprehensive utilization system in aluminum profile production line - Google Patents
Waste heat comprehensive utilization system in aluminum profile production line Download PDFInfo
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- CN102410744A CN102410744A CN2011103806872A CN201110380687A CN102410744A CN 102410744 A CN102410744 A CN 102410744A CN 2011103806872 A CN2011103806872 A CN 2011103806872A CN 201110380687 A CN201110380687 A CN 201110380687A CN 102410744 A CN102410744 A CN 102410744A
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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 invention discloses a waste heat comprehensive utilization system in an aluminum profile production line. A flue gas convey network formed by a flue gas exhaust pipeline, a flue gas deliver pipeline, a flue gas convey pipeline, a flue gas exhaust valve, a flue gas convey valve, a safety valve, a heat exchanger, an air feeder, and a flue gas deliver valve is used to communicate a casting furnace, an aluminium ingot preheating chamber, a homogenate furnace, a copper bar heating furnace, an aging furnace, a curing furnace, and a drying furnace in the aluminum profile production line, so as to form the waste heat comprehensive utilization system. By using the system, waste heat in the high-temperature flue gas discharged by upstream high-temperature furnaces in the aluminum profile production line is allocated in downstream low-temperature furnaces, and the waste heat of each furnace can be made the best of by the downstream furnaces. After adopting the system, fuel gas quantity required by producing a ton of aluminum profile is reduced from present 250 cubic meters to 130 cubic meters, saving nearly a half; besides, the fuel gas consumption is reduced and discharge capacity of various contaminating gases is also reduced; and the system can change high-temperature flue gas into low-temperature flue gas to discharge, and reduce the cost of a flue gas dust removal system.
Description
Technical field
The present invention relates to a kind of bootstrap system, in particular a kind of aluminium section bar production line residual heat integrative utilizes system.
Background technology
Production equipment on the existing aluminium section bar production line such as casting furnace, homogeneous stove, aging furnace etc., its high-temperature flue gas that produces in process of production all are directly or after dust pelletizing system is handled to discharge.The temperature of the high-temperature flue gas that casting furnace produces reaches 800-1000 ℃, and the temperature of the high-temperature flue gas that the homogeneous fire grate is put reaches about 600 ℃, and its temperature of high-temperature flue gas of aging furnace discharging also can reach 200 ℃.50% heat has nearly been taken away on the production line in the discharging of this high-temperature flue gas on the one hand, has caused a large amount of wastes of combustion gas, is unfavorable for the reduction of production cost; On the other hand, high-temperature flue gas directly discharges, and has a large amount of pernicious gases in the flue gas, is unfavorable for environmental protection, after dedusting, discharges, and high-temperature flue gas is very high to the requirement of dust pelletizing system, and the construction cost of dust pelletizing system is very expensive.
Therefore, prior art awaits to improve and development.
Summary of the invention
The object of the present invention is to provide a kind of aluminium section bar production line residual heat integrative to utilize system, aluminium section bar production line high-temperature flue gas directly discharges the technical problem that the wasting of resources is huge, environmental protection is of a high price that causes in the above-mentioned prior art to solve.
Technical scheme of the present invention is following:
A kind of aluminium section bar production line residual heat integrative utilizes system; Comprise casting furnace, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven, smoke discharging pipe, send the smoke pipe road, tobacco transmission pipe, exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and send the cigarette valve, on the outlet flue of casting furnace, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven, be provided with smoke discharging pipe; Advancing to be provided with on the mouth and send the smoke pipe road at aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven; The smoke discharging pipe of the high temperature furnace in said each stove and low temperature oven send annular smoke flue to cross described tobacco transmission pipe to be communicated with; Said exhaust smoke valve is arranged on the exhaust opening place of smoke discharging pipe; Said defeated cigarette valve and safety valve are arranged on the tobacco transmission pipe; Said pressure fan and send the cigarette valve to be arranged on said sending on the smoke pipe road, it is provided with the position and is followed successively by pressure fan, send the cigarette valve according to air supply direction.
Described aluminium section bar production line residual heat integrative utilizes system, wherein, also comprises heat exchanger, and said heat exchanger is arranged on sending on the smoke pipe road of said each stove.
Described aluminium section bar production line residual heat integrative utilizes system, wherein, also comprises water tank, and the smoke discharging pipe of said drying oven is inserted in the said water tank, and the smoke discharging pipe of said drying oven is provided with heat exchanger.
Described aluminium section bar production line residual heat integrative utilizes system, and wherein, the quantity of said casting furnace is at least one; The quantity of said aluminium ingot preheating chamber is at least one; The quantity of said homogeneous stove is at least one, and the quantity of said aluminium bar heating furnace is at least one, and the quantity of said aging furnace is at least one; The quantity of said curing oven is at least one, and the quantity of said drying oven is at least one.
Described aluminium section bar production line residual heat integrative utilizes system; Wherein, Also comprise monitoring system; Said monitoring system comprises central processing unit, data monitoring device and regulation device, and said data monitoring device and regulation device are arranged on said aluminium section bar production line residual heat integrative and utilize on each body of heater in the system, and said data monitoring device and regulation device electrically connect with central processing unit respectively.
Described aluminium section bar production line residual heat integrative utilizes system, and wherein, described supervising device comprises pressure monitor device and temperature monitor.
Described aluminium section bar production line residual heat integrative utilizes system, and wherein, described regulation device comprises exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and send the cigarette valve.
The present invention through utilize smoke discharging pipe, send the smoke pipe road, tobacco transmission pipe, exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and the flue gas transport net that send the cigarette valve to form be communicated with composition aluminium section bar production line residual heat integrative with the casting furnace on the aluminium section bar production line, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven and drying oven and utilize system.Waste heat in the high-temperature flue gas that this system can discharge the high temperature furnace at the upper reaches on the aluminium section bar production line is assigned in each low temperature oven of downstream, and the waste heat of each stove can both be made full use of by the downstream stove.This system will produce 250 cubic metres required gas quantity of aluminium section bar per ton now and be reduced to 130 cubic metres of combustion gas of per ton need, and energy-conservation nearly 50%.And, when reducing gas consumption, also reduced the discharge capacity of various dusty gas.The low-temperature flue gas that becomes of high-temperature flue gas discharges in this system, has equally also reduced the cost of flue gas dust collecting system.
Description of drawings
Fig. 1 is the structural representation that aluminium section bar production line residual heat integrative utilizes system among the present invention;
Fig. 2 is the structural representation that aluminium section bar production line residual heat integrative utilizes monitoring system in the system among the present invention;
Fig. 3 is that aluminium section bar production line residual heat integrative utilizes system works flow process figure among the present invention.
The specific embodiment
For making the object of the invention, technical scheme and advantage clearer, clear and definite, below develop simultaneously embodiment to further explain of the present invention with reference to accompanying drawing.
As aluminium section bar production line residual heat integrative among the said the present invention of Fig. 1 utilize the structural representation of system, this aluminium section bar production line residual heat integrative to utilize system to comprise casting furnace 1, aluminium ingot preheating chamber 2, homogeneous stove 3, aluminium bar heating furnace 4, aging furnace 5, curing oven 6, drying oven 7, smoke discharging pipe 8, send smoke pipe road 9, tobacco transmission pipe 10, exhaust smoke valve 11, defeated cigarette valve 12, safety valve 13, heat exchanger 14, pressure fan 15 and send cigarette valve 16.Among casting furnace 1, aluminium ingot preheating chamber 2, homogeneous stove 3, aluminium bar heating furnace 4, aging furnace 5, curing oven 6 and drying oven 7, except that 1 of casting furnace is provided with the smoke discharging pipe 8, all the other each stoves all corresponding setting have smoke discharging pipe 8 and send smoke pipe road 9.Sending between the smoke pipe road 9 of the smoke discharging pipe 8 of upper reaches stove and its adjacent downstream stove is communicated with through tobacco transmission pipe 10; Be casting furnace 1, homogeneous stove 3 and aging furnace 5 smoke discharging pipe 8 separately with aluminium ingot preheating chamber 2, aluminium bar heating furnace 4 and curing oven 6 separately send adjacent connection the between the smoke pipe road 9; Homogeneous stove 3, aluminium bar heating furnace 4 and curing oven 6 smoke discharging pipe 8 separately and homogeneous stove 3, aging furnace 5 and drying oven 7 separately send adjacent connection the between the smoke pipe road 9; The smoke discharging pipe of drying oven 7 directly discharges, and perhaps connects flue gas dust collecting system.Exhaust opening place at each smoke discharging pipe 8 is provided with exhaust smoke valve 11; Defeated cigarette valve 12 is arranged on each tobacco transmission pipe 10 with the needs of safety valve 13 according to native system control and distribution high-temperature flue gas; Heat exchanger 14, pressure fan 15 and send cigarette valve 16 to be arranged on each and send on the smoke pipe road, it is provided with the position relation with sending the cigarette direction to be followed successively by heat exchanger 14, pressure fan 15, sending cigarette valve 16.High-temperature flue gas is after heat exchanger 14 heat exchange, and the waste heat that wherein carries is sent in the stove of downstream through pressure fan 15.Wherein, the flue-gas temperature in the casting furnace 1 is near 1050 ℃, and the flue-gas temperature in the aluminium ingot preheating chamber 2 can reach 500 ℃; Flue-gas temperature in the homogeneous stove 3 can reach 600 ℃; Flue-gas temperature in the aluminium bar heating furnace 4 is about 500 ℃, and aging furnace 5 then has only about 200 ℃ with the flue-gas temperature in the curing oven 6, and the flue-gas temperature of drying oven 7 is about 80 ℃; After waste heat in the flue gas that drying oven is discharged heat exchanger capable of using transforms, be used for hot water.
Aluminium section bar production line residual heat integrative utilizes the structural representation of monitoring system in the system among the present invention as shown in Figure 2; Aluminium section bar production line residual heat integrative utilizes and also comprises a monitoring system in the system, in order to detect the distribution that aluminium section bar production line residual heat integrative utilizes the temperature and pressure state in each stove and control high temperature cigarette in the system.This detection system comprises central processing unit 17; Casting furnace data detection device 18; Casting furnace regulation device 19; Aluminium ingot preheating chamber data monitoring device 20; Aluminium ingot preheating chamber regulation device 21; Homogeneous stove data monitoring device 22; Homogeneous stove regulation device 23; Aluminium bar heating furnace data monitoring device 24; Aluminium bar heating furnace regulation device 25; Aging furnace data monitoring device 26; Aging furnace regulation device 27; Curing oven data detection device 28; Curing oven regulation device 29; Drying oven data monitoring device 20 and drying oven regulation device 31.Above-mentioned data monitoring device just exists on existing aluminium section bar production line, like pressure monitor, temperature monitoring (not shown) etc., is installed on the aluminium section bar production line in each stove.Above-mentioned each regulation device is the exhaust smoke valve 11 shown in Fig. 1, defeated cigarette valve 12 in the present invention, send cigarette valve 16, safety valve 13, heat exchanger 14, pressure fan 15 etc.; After the data of data monitoring device monitoring in each stove; Data-signal is sent to central processing unit 17; Central processing unit 17 is made judgement and is sent operational order to each regulation device according to data-signal; Regulate the distribution of high temperature cigarette through the switch of controlling each regulation device, so that the data in each stove all are in normal condition on the production line.
As shown in Figure 3, aluminium section bar production line residual heat integrative utilizes system works flow process figure among the present invention, and this aluminium section bar production line residual heat integrative utilizes system under the control of its monitoring system, to carry out the distribution utilization of waste heat.Monitoring system is utilized its this residual heat integrative of regulation device control to utilize the switch of each valve in the system according to analysis result, thereby is carried out the distribution of waste heat through the data in each stove stove on the aluminium section bar production line are carried out monitoring analysis.Its basic procedure is following: 1, discharge from casting furnace near about 1000 ℃ high-temperature flue gas, can supply aluminium ingot preheating chamber, monitoring system through aluminium bar heating furnace and curing oven are used.Data in aluminium ingot preheating chamber, aluminium bar heating furnace and the curing oven are analyzed, and judge whether need advance cigarette.If need not advance cigarette, high-temperature flue gas is then directly discharged from casting furnace.2, the high-temperature flue gas about 500 ℃ in the aluminium ingot preheating chamber can supply homogeneous stove, aging furnace and drying oven to use, and monitoring system judges whether need advance cigarette through the data in homogeneous stove, aging furnace and the drying oven are analyzed.If need not advance cigarette, high-temperature flue gas is then directly discharged from the aluminium ingot heating furnace.3, the temperature of the high-temperature flue gas in the homogeneous stove can reach 600 ℃, can supply aluminium bar heating furnace and curing oven to use, and monitoring system judges whether need advance cigarette through the data in aluminium bar heating furnace and the curing oven are analyzed.If need not advance cigarette, high-temperature flue gas is then directly discharged from homogeneous stove stove.4, the high-temperature flue gas in the aluminium bar heating furnace also can reach 500 ℃, after flue gas flows out, can supply aging furnace and drying oven to use, and monitoring system judges through the data in aging furnace and the drying oven are analyzed whether it need advance cigarette.If do not need, high-temperature flue gas is then directly discharged from the aluminium bar heating furnace.5, the temperature of the high-temperature flue gas in the aging furnace is about 200 ℃, can directly discharge or directly supply with curing oven and use.6, the high-temperature flue gas in the curing oven also has only about 200 ℃, can directly discharge or directly supply with drying oven and use.7, last, the flue gas in the drying oven is then directly discharged or after dust pelletizing system is handled, is discharged.
Can find out by the foregoing description; Aluminium section bar production line residual heat integrative provided by the invention utilizes system; Under the control of monitoring system; Through functors such as pressure fan, valve, heat exchangers, the waste heat in the high-temperature flue gas that can the upper reaches fire grate on the aluminium section bar production line be gone out is assigned in each stove of downstream, and the waste heat of each stove can both be made full use of by the downstream stove.Through calculating, this system can be reduced to 130 cubic metres of combustion gas of per ton need by 250 cubic metres the gas quantity that existing production aluminium section bar per ton is required, and energy-conservation nearly 50%.And, when reducing gas consumption, also reduced the discharge capacity of various dusty gas.In addition, the low-temperature flue gas that becomes of high-temperature flue gas discharges in this system, has equally also reduced the cost of flue gas dust collecting system.
Should be understood that application of the present invention is not limited to above-mentioned giving an example, concerning those of ordinary skills; Can improve or conversion according to above-mentioned explanation; For example, the casting furnace in the native system, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven and drying oven, its quantity can be for more than two; Smoke conveying duct in corresponding this system also is set to network structure, thereby this system also can build up a residual heat integrative and utilizes net.In addition, drying oven smoke discharging pipe can also an external water tank, a heat exchanger is set on the smoke discharging pipe, the waste heat of the flue gas of discharging through the heat exchanger converter is used for hot water.All these improvement and conversion all should belong to the protection domain of accompanying claims of the present invention.
Claims (7)
1. an aluminium section bar production line residual heat integrative utilizes system; It is characterized in that; Comprise casting furnace, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven, smoke discharging pipe, send the smoke pipe road, tobacco transmission pipe, exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and send the cigarette valve, on the outlet flue of casting furnace, aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven, be provided with smoke discharging pipe; Advancing to be provided with on the mouth and send the smoke pipe road at aluminium ingot preheating chamber, homogeneous stove, aluminium bar heating furnace, aging furnace, curing oven, drying oven; The smoke discharging pipe of the high temperature furnace in said each stove and low temperature oven send annular smoke flue to cross described tobacco transmission pipe to be communicated with; Said exhaust smoke valve is arranged on the exhaust opening place of smoke discharging pipe; Said defeated cigarette valve and safety valve are arranged on the tobacco transmission pipe; Said pressure fan and send the cigarette valve to be arranged on said sending on the smoke pipe road, it is provided with the position and is followed successively by pressure fan, send the cigarette valve according to air supply direction.
2. aluminium section bar production line residual heat integrative according to claim 1 utilizes system, it is characterized in that, also comprises heat exchanger, and said heat exchanger is arranged on sending on the smoke pipe road of said each stove.
3. aluminium section bar production line residual heat integrative according to claim 1 utilizes system, it is characterized in that, also comprises water tank, and the smoke discharging pipe of said drying oven is inserted in the said water tank, and the smoke discharging pipe of said drying oven is provided with heat exchanger.
4. utilize system according to claim 1,2 or 3 described aluminium section bar production line residual heat integratives, it is characterized in that the quantity of said casting furnace is at least one; The quantity of said aluminium ingot preheating chamber is at least one; The quantity of said homogeneous stove is at least one, and the quantity of said aluminium bar heating furnace is at least one, and the quantity of said aging furnace is at least one; The quantity of said curing oven is at least one, and the quantity of said drying oven is at least one.
5. aluminium section bar production line residual heat integrative according to claim 1 utilizes system; It is characterized in that; Also comprise monitoring system; Said monitoring system comprises central processing unit, data monitoring device and regulation device, and said data monitoring device and regulation device are arranged on said aluminium section bar production line residual heat integrative and utilize on each body of heater in the system, and said data monitoring device and regulation device electrically connect with central processing unit respectively.
6. aluminium section bar production line residual heat integrative according to claim 5 utilizes system, it is characterized in that described supervising device comprises pressure monitor device and temperature monitor.
7. utilize system according to claim 5 or 6 described aluminium section bar production line residual heat integratives, it is characterized in that, described regulation device comprises exhaust smoke valve, defeated cigarette valve, safety valve, heat exchanger, pressure fan and send the cigarette valve.
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| CN2011103806872A CN102410744B (en) | 2011-11-25 | 2011-11-25 | Waste heat comprehensive utilization system in aluminum profile production line |
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| CN2011103806872A CN102410744B (en) | 2011-11-25 | 2011-11-25 | Waste heat comprehensive utilization system in aluminum profile production line |
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| CN102410744B CN102410744B (en) | 2013-10-16 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398592A (en) * | 2013-08-19 | 2013-11-20 | 佛山市广旭节能自动化科技有限公司 | Heat recovery system of aluminum homogeneous furnace |
| CN103453778A (en) * | 2013-09-03 | 2013-12-18 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN110343834A (en) * | 2019-08-15 | 2019-10-18 | 沈阳东大三建工业炉制造有限公司 | A kind of 6 heat-treatment furnace flue gas waste heat utilization device of aluminum alloy T and method |
| CN113432440A (en) * | 2021-05-25 | 2021-09-24 | 苏州鼎佳炉窑科技有限公司 | Waste heat recovery system of aluminum alloy casting workshop |
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| CN201857406U (en) * | 2010-10-14 | 2011-06-08 | 佛山市通润热能科技有限公司 | Preheating system for homogenizing furnace and aging furnace |
| CN102173444A (en) * | 2011-02-24 | 2011-09-07 | 山东三丰集团股份有限公司 | System and method for comprehensive utilization of tail gas of aluminium sulphate reaction kettles |
| CN202361819U (en) * | 2011-11-25 | 2012-08-01 | 佛山市通润热能科技有限公司 | Comprehensive waste heat utilization system on aluminum section production line |
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| CN201191140Y (en) * | 2007-11-09 | 2009-02-04 | 山东华恒矿业有限公司 | Waste heat utilization system for novel gangue kiln |
| CN201857406U (en) * | 2010-10-14 | 2011-06-08 | 佛山市通润热能科技有限公司 | Preheating system for homogenizing furnace and aging furnace |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103398592A (en) * | 2013-08-19 | 2013-11-20 | 佛山市广旭节能自动化科技有限公司 | Heat recovery system of aluminum homogeneous furnace |
| CN103398592B (en) * | 2013-08-19 | 2015-04-29 | 佛山市广旭节能自动化科技有限公司 | Heat recovery system of aluminum homogeneous furnace |
| CN103453778A (en) * | 2013-09-03 | 2013-12-18 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN103453778B (en) * | 2013-09-03 | 2015-04-01 | 南通曼特威金属材料有限公司 | Waste gas drying system for smelting furnace |
| CN110343834A (en) * | 2019-08-15 | 2019-10-18 | 沈阳东大三建工业炉制造有限公司 | A kind of 6 heat-treatment furnace flue gas waste heat utilization device of aluminum alloy T and method |
| CN113432440A (en) * | 2021-05-25 | 2021-09-24 | 苏州鼎佳炉窑科技有限公司 | Waste heat recovery system of aluminum alloy casting workshop |
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| CN102410744B (en) | 2013-10-16 |
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Denomination of invention: Waste heat comprehensive utilization system in aluminum profile production line Effective date of registration: 20200629 Granted publication date: 20131016 Pledgee: Guangdong Nanhai Rural Commercial Bank branch branch of Limited by Share Ltd. Pledgor: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. Registration number: Y2020980003515 |
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Address after: 528100 the third of No.10 (F1) in plot B of central science and Technology Industrial Zone, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee after: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. Address before: 528137 No.5, Jiye Avenue, central science and Technology Industrial Park, Leping Town, Sanshui District, Foshan City, Guangdong Province Patentee before: FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY Co.,Ltd. |