CN202361819U - Comprehensive waste heat utilization system on aluminum section production line - Google Patents

Comprehensive waste heat utilization system on aluminum section production line Download PDF

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Publication number
CN202361819U
CN202361819U CN2011204766172U CN201120476617U CN202361819U CN 202361819 U CN202361819 U CN 202361819U CN 2011204766172 U CN2011204766172 U CN 2011204766172U CN 201120476617 U CN201120476617 U CN 201120476617U CN 202361819 U CN202361819 U CN 202361819U
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CN
China
Prior art keywords
production line
furnace
smoke
valve
aluminium
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Expired - Fee Related
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CN2011204766172U
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Chinese (zh)
Inventor
谭连元
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FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY CO LTD
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FOSHAN TONGRUN THERMAL ENERGY TECHNOLOGY CO LTD
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Priority to CN2011204766172U priority Critical patent/CN202361819U/en
Application granted granted Critical
Publication of CN202361819U publication Critical patent/CN202361819U/en
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Abstract

The utility model discloses a comprehensive waste heat utilization system on an aluminum section production line. A casting furnace, an aluminum ingot preheating chamber, a homogenizing furnace, an aluminum bar heating furnace, an aging oven, a curing furnace and a drying furnace on the aluminum section production line are communicated to form the comprehensive waste heat utilization system on the aluminum section production line through a flue gas delivery network consisting of a smoke exhaust pipeline, a smoke feed pipeline, a smoke delivery pipeline, a smoke exhaust valve, a smoke delivery valve, a safety valve, a heat exchanger, an air feeder and a smoke feed valve. By the system, waste heat in high-temperature flue gas exhausted from an upstream high temperature furnace on the aluminum section production line can be distributed in various downstream low temperature furnaces, and the waste heat in each furnace can be fully utilized by the downstream furnaces. By the system, the existing 250 cubic meters of gas required for producing each ton of aluminum sections is reduced to only 130 cubic meters of gas per ton, and the energy is saved by about 50 percent; and moreover, the gas consumption is reduced while the discharge of various pollution gases is reduced. By the system, the high-temperature flue gas converts into low-temperature flue gas to be discharged, and the cost of a flue gas dust extraction system is also reduced.

Description

A kind of aluminium section bar production line residual heat integrative utilizes system
Technical field
The utility model relates to a kind of bootstrap system, and 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.
The utility model content
The purpose of the utility model is to provide a kind of aluminium section bar production line residual heat integrative to utilize system, and 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.
The technical scheme of the utility model 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 utility model 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 in the utility model;
Fig. 2 is the structural representation that aluminium section bar production line residual heat integrative utilizes monitoring system in the system in the utility model;
Fig. 3 is that aluminium section bar production line residual heat integrative utilizes system works flow process figure in the utility model.
The specific embodiment
For the purpose, technical scheme and the advantage that make the utility model is clearer, clear and definite, below develop simultaneously embodiment to the utility model further explain with reference to accompanying drawing.
As aluminium section bar production line residual heat integrative in the said the utility model 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 in the utility model 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 utility model, 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 in the utility model, 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; The aluminium section bar production line residual heat integrative that the utility model provides 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 the application of the utility model 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 the utility model accompanying claims.

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.
CN2011204766172U 2011-11-25 2011-11-25 Comprehensive waste heat utilization system on aluminum section production line Expired - Fee Related CN202361819U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204766172U CN202361819U (en) 2011-11-25 2011-11-25 Comprehensive waste heat utilization system on aluminum section production line

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Application Number Priority Date Filing Date Title
CN2011204766172U CN202361819U (en) 2011-11-25 2011-11-25 Comprehensive waste heat utilization system on aluminum section production line

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
CN102410744B (en) * 2011-11-25 2013-10-16 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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Granted publication date: 20120801

Termination date: 20141125

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