CN208026084U - Aluminium melting furnace off-gas recovery utilizes device - Google Patents
Aluminium melting furnace off-gas recovery utilizes device Download PDFInfo
- Publication number
- CN208026084U CN208026084U CN201721461005.XU CN201721461005U CN208026084U CN 208026084 U CN208026084 U CN 208026084U CN 201721461005 U CN201721461005 U CN 201721461005U CN 208026084 U CN208026084 U CN 208026084U
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- Prior art keywords
- heat
- flue gas
- heat exchanger
- rotation
- smoke
- Prior art date
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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
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model discloses a kind of aluminium melting furnace off-gas recovery and utilizes device, including:Furnace body, main burner, at least two auxiliary burners, furnace body is in being connected with the first smoke discharging pipe on the roof of the rear end of far and near burner hearth, the flow of flue gas direction of first smoke discharging pipe is provided with First Heat Exchanger, the medium temperature smoke inlet of First Heat Exchanger is connected by pipeline with the first smoke discharging pipe, the low-temperature flue gas outlet of First Heat Exchanger is connected with by pipeline chimney, the cool air inlet of First Heat Exchanger is connected by pipeline with air-source, the hot air outlet of First Heat Exchanger is connected by pipeline with main burner, the hot-air formed after heat exchange to be delivered in main burner for combustion-supporting;Furnace body on the roof of the front end of neighbouring burner hearth in being connected with the second smoke explorer, at least two flue gases are connected in second smoke explorer to be in charge of, at least two flue gases, which are in charge of, is respectively connected at least two auxiliary burners, and part high-temperature flue gas is delivered at least two auxiliary burners for combustion-supporting.
Description
Technical field
The utility model is related to a kind of industrial furnace, more particularly to a kind of aluminium melting furnace.
Background technology
In recent years, aluminium melting furnace is widely used in the melting of metal as a kind of infant industry kiln, but in fusion process
It is usually present following problem:Energy waste, environmental pollution, working condition difference etc. caused by due to recovery system is insufficient;Because setting
It is standby design it is unreasonable and caused by production is discontinuous, production efficiency is low, labor intensity reduces etc.;Because burner design it is improper and
Uneven, poor product quality etc. is heated caused by furnace body capacity is big.
As Chinese patent application No.201420527169.8 discloses a kind of large aluminium melting furnace opposite-flushing type heat-accumulation combustion system
System, including:Furnace body, the interior burner hearth being equipped with for combustion heat release of furnace body;And two Fuel lances, two Fuel lances are symmetrically
It is arranged in the end walls of furnace body.Also, in the end walls of furnace body, in respectively one air inlet of setting of the both sides of each Fuel lance
Mouth and a gas outlet.The system further comprises:Four thermal storage units, each thermal storage unit include cool air inlet, heat sky
Gas outlet, high-temperature flue gas entry and low-temperature flue gas outlet, the hot air outlet and high-temperature flue gas entry point of each thermal storage unit
Air inlet and the gas outlet of the side for being located in one of Fuel lance, the cold sky of each thermal storage unit are not connected to by pipeline
Gas entrance is connected to air-source by pipeline, and the low-temperature flue gas of each thermal storage unit is exported is connected to chimney by pipeline;And
It is set on each pipeline and is used to control the control valve that each thermal storage unit switches between heat storage state and heat release state.But
It is to have used a large amount of thermal storage unit to be recycled the residual temperature of flue gas in the program, and heat is used only for helping
Combustion air exchanges heat, and can not carry out the conversion of other energy, and thermal storage unit, when breaking down, replacement cost is higher.
For another example Chinese patent application No.201510810516.7 discloses a kind of flue gas recirculation auxiliary combustion formula aluminum melting
Stove, including:Aluminum melting furnace body, aluminum melting furnace body include the burner hearth set on inside, the combustion chamber positioned at burner hearth middle and upper part, are located at stove
The molten aluminum pond of thorax lower part and set on aluminum melting furnace body side wall and with the high-temperature flue gas outlet of combustion chamber;At least one master
Combustion gun, at least one main burning rifle be set to aluminum melting furnace body an end wall be used for into combustion chamber combustion of fuel injected heat release with
Aluminium in molten aluminum pond is fused into molten aluminum;And high-temperature flue gas outlet is connected to chimney by flue, flue.Wherein,
Flue gas recirculation auxiliary combustion formula aluminium melting furnace further comprises:Auxiliary combustion rifle, auxiliary combustion rifle and at least one main burning rifle
Compartment of terrain is set to an end wall of aluminum melting furnace body;And smoke backflow pipeline, smoke backflow pipeline are connected to flue to incite somebody to action
Part high temperature gases recirculating in flue is combustion-supporting to auxiliary combustion rifle.But the flue gas recirculation auxiliary combustion formula aluminum melting
Stove is combustion-supporting just with the progress of part high temperature gases recirculating, does not disclose how to recycle most high-temperature flue gas
Heat causes great energy waste.
For another example Chinese patent application No.201610384395.9 discloses a kind of aluminum melting furnace flue gas exhaust heat cascade utilization system
System comprising the flue outlet of aluminium melting furnace, the aluminium melting furnace is connect with smoke filter, one outlet of the smoke filter
Branch pipe is connect with aluminium material preheating mechanism, and the exhanst gas outlet of the aluminium material preheating mechanism is connect with the first deduster, and described first removes
Dirt device is connect with flue gas waste heat recoverer;Another going out gas branch pipe of smoke filter is directly connect with the second deduster, described
Second deduster is connect with air preheater;The outlet of the air preheater one enters aluminium melting furnace, the air by combustion air
Another outlet of preheater enters boiler using steam residual-heat, the outlet of the boiler using steam residual-heat one and flue gas waste heat recovery by economizer
Device connects.But the residual heat using device in the aluminum melting furnace flue gas exhaust heat gradient utilization system in the patent once breaks down
When, replacement cost is high, and replacement difficulty is big, and needs the work for stopping entire aluminium melting furnace that can just complete.
It is badly in need of in the industry therefore it provides the high aluminium melting furnace off-gas recovery of a kind of energy-saving and environmental protection, production efficiency is become using device
It solves the problems, such as.
Invention content
The purpose of this utility model be to provide a kind of energy-saving and environmental protection, production efficiency is high, in stove homogeneous heating aluminium melting furnace cigarette
Gas recycle device.
To achieve the goals above, the utility model provides a kind of aluminium melting furnace off-gas recovery and utilizes device, including:Stove
Body, the interior burner hearth being equipped with for combustion heat release of furnace body;At least three burners, at least three burner gaps are set to burner hearth
Front end and it is connected with the burner hearth of furnace body spraying combustion gas and combustion-supporting gas to combustion heat release in furnace body;Wherein, at least three
Burner include set on intermediate main burner and along burner hearth longitudinal direction be distributed at least two of main burner both sides it is auxiliary
Burner;Furnace body is in being connected with the first smoke discharging pipe on the roof of the rear end of far and near burner hearth, along the flue gas stream of the first smoke discharging pipe
Dynamic direction is provided with First Heat Exchanger, and First Heat Exchanger is rotation waste-heat recoverer;It includes medium temperature flue gas to rotate waste-heat recoverer
Entrance, low-temperature flue gas outlet, cool air inlet and hot air outlet, the medium temperature smoke inlet of First Heat Exchanger by pipeline with
First smoke discharging pipe is connected, and the outlet of the low-temperature flue gas of First Heat Exchanger is connected with by pipeline chimney, First Heat Exchanger it is cold
Air intake is connected by pipeline with air-source, and the hot air outlet of First Heat Exchanger is connected by pipeline with main burner
It connects, the hot-air formed after heat exchange is delivered in main burner for combustion-supporting;Furnace body is in the roof of the front end of neighbouring burner hearth
On be connected with the second smoke explorer, at least two flue gases are connected in the second smoke explorer and are in charge of, at least two flue gases are in charge of point
It is not connected at least two auxiliary burners, part high-temperature flue gas is delivered at least two auxiliary burners for combustion-supporting.
Selectively, rotation waste-heat recoverer includes outer barrel, is coaxially set in the rotation in outer barrel with outer barrel
Heat-storage plate, the first partition for being set to rotation heat-storage plate side and the second partition for being set to the rotation heat-storage plate other side;Its
In, first partition and second partition are located on the same longitudinal cross-section of outer barrel, and the leading portion of outer barrel is divided by first partition
The back segment of outer barrel is divided into the second flue gas flow channel and the second air by the first flue gas flow channel and the first air flow channel, second partition
Runner;One end of the separate rotation heat-storage plate of first flue gas flow channel forms medium temperature smoke inlet, and the separate of the second flue gas flow channel turns
One end of dynamic heat-storage plate forms low-temperature flue gas outlet, and one end of the separate rotation heat-storage plate of the second air flow channel forms cold air and enters
Mouthful, one end of the separate rotation heat-storage plate of the first air flow channel forms hot air outlet.
Selectively, rotation heat-storage plate includes porous bottom wall, porous roof, from the periphery of porous bottom wall to porous roof
The central pivotal axis and turn from central pivotal axis edge that the longitudinal axis of all side walls, edge rotation heat-storage plate that periphery extends is arranged
At least eight panels that the radial direction of dynamic heat-storage plate extends to all side walls, wherein porous bottom wall, porous roof, week side wall, in
A heat exchange storehouse for holding heat-storing material is respectively formed between centre pivotal axis and two neighboring panel.
Preferably, upper table of the one end of the neighbouring rotation heat-storage plate of first partition close to the porous roof of rotation heat-storage plate
The one end in face, the neighbouring rotation heat-storage plate of second partition rotates heat-storage plate close to the lower surface for the porous bottom wall for rotating heat-storage plate
All side walls outside wall surface close to rotation waste-heat recoverer outer barrel internal face.
Preferably, between one end of the neighbouring rotation heat-storage plate of first partition and the upper surface of porous roof for rotating heat-storage plate
Distance be less than or equal to 1 millimeter, one end of the neighbouring rotation heat-storage plate of second partition under the porous bottom wall for rotating heat-storage plate
Distance between surface is less than or equal to 1 millimeter, the internal face of outer barrel and rotate heat-storage plate all side walls outside wall surface between away from
From less than or equal to 1 millimeter.
Preferably, the upper spacer and lower clapboard for rotating waste-heat recoverer can be positioned at outer barreies not by longitudinal axis center line
Same longitudinal cross-section on, such as make flue gas flow channel cross section be more than air flow channel cross section, with improve exchange heat after heat
Air themperature.
Preferably, each heat exchange storehouse can be successively around the longitudinal axis of outer barrel from flue gas flow channel uniform rotation to air
Air in waste-heat air flow channel of the runner to absorb flue gas flow channel high temperature flue gas.
Preferably, the heat-storing material held in heat exchange storehouse can be Ceramic Balls, honeycomb heat accumulation body, composite heat storage material etc..
Selectively, it is equipped with the second heat exchanger in the upstream end of the first smoke discharging pipe, the second heat exchanger includes high-temperature flue gas
Entrance, medium temperature exhanst gas outlet, cold water inlet and hot water outlet, high-temperature flue gas entry are connected by pipeline with the first smoke discharging pipe
It connects, the medium temperature exhanst gas outlet of the second heat exchanger is connected with the medium temperature smoke inlet of First Heat Exchanger by pipeline.
Selectively, aluminium melting furnace off-gas recovery is further provided with screw rod generator using device, from the second heat exchanger
The hot water of hot water outlet is via the cold water inlet for being back to the second heat exchanger after pipelined to screw rod electrical power generators.
Wherein, screw rod generator is to use screw expander generation technology, and operation principle is by negative and positive screw rod conduit
The volume expansion of middle hot fluid pushes negative and positive screw rod to rotate round about, realizes that convert thermal energy into mechanical energy does merits and demerits
Journey.
Selectively, the first wind turbine is equipped in the first smoke discharging pipe so that high-temperature flue gas is delivered to the second heat exchanger.
Selectively, the second wind turbine is equipped in the second smoke explorer so that partial fume is delivered at least two auxiliary burners
In.
Selectively, third wind turbine is equipped at the cool air inlet of First Heat Exchanger so that cold air is introduced First Heat Exchanger
In.
Wherein, fuel can be natural gas or coal gas.
The utility model has the beneficial effects that:(1), it is flowed back using partial fume combustion-supporting, makes the flue gas being emitted into environment
Carbon dioxide and amount of nitrogen oxides fully reduce;(2) First Heat Exchanger is used to carry out secondary recovery utilization to medium temperature flue gas,
It is re-used as combustion-supporting gas use after carrying out heat exchange heating to air, is further ensured that the stability of furnace temperature;(3), using the second heat exchange
Device is recycled power generation to high-temperature flue gas, substantially increases flue gas waste heat recovery rate.
Description of the drawings
Fig. 1 shows that the aluminium melting furnace off-gas recovery of the utility model utilizes the organigram of the embodiment of device.
Fig. 2 shows the organigrams of the rotation waste-heat recoverer of the use of the utility model.
Fig. 3 is in Fig. 2 along line A-A schematic cross-sectional view
Fig. 4 shows the internal structure signal of the rotation heat-storage plate of the rotation waste-heat recoverer of the use of the utility model
Figure.
Specific implementation mode
The embodiments of the present invention are described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning
Same or similar element or element with the same or similar functions are indicated to same or similar label eventually.Below by ginseng
The embodiment for examining attached drawing description is exemplary, it is intended to for explaining the utility model, and should not be understood as to the utility model
Limitation.
Fig. 1 is please referred to, as a kind of non-limiting embodiment, the aluminium melting furnace off-gas recovery of the utility model utilizes device
Including:Main burner 10, the first auxiliary burner 20, the second auxiliary burner 30, furnace body 100, chimney 200, First Heat Exchanger 300,
Second heat exchanger 400 and screw rod generator 500.
As shown in Figure 1, the first auxiliary burner 20, main burner 10 and the second auxiliary burner 30 are arranged at intervals at furnace body 100
Front end, and be connected with the burner hearth of furnace body 100, to spray combustion gas and combustion-supporting gas to combustion heat release in furnace body.Its
In, main burner 10 is set to centre, and the first auxiliary burner 20 and the second auxiliary burner 30 are distributed in master along the longitudinal direction of burner hearth
The both sides of burner 10.
The first smoke discharging pipe L1, the second heat exchanger 400 and First Heat Exchanger are connected on the roof of the rear end of furnace body 100
300 are sequentially arranged along the flow of flue gas direction of the first smoke discharging pipe L1.
Furnace body 100 is connected with two in being connected with the second smoke explorer L2 on the roof of adjacent front end in the second smoke explorer
A flue gas is in charge of L21 and L22, and flue gas is in charge of L21 and is connected to the first auxiliary burner 20, and flue gas is in charge of L22 and is connected to the second auxiliary combustion
Burner 30, to which under the action of the second wind turbine F2, about 20% high-temperature flue gas is transported to the first auxiliary burner 20 and second
For combustion-supporting in auxiliary burner 30.
Second heat exchanger 400 includes high-temperature flue gas entry 401, medium temperature exhanst gas outlet 402, cold water inlet 403 and hot water
Outlet 404.About 600 degrees Celsius of high-temperature flue gas is under the action of the first wind turbine F1 along the first smoke discharging pipe L1 from high temperature cigarette
Gas entrance 101 enters in the second heat exchanger 400, and the medium temperature flue gas formed after heat exchange is then discharged with medium temperature exhanst gas outlet 402, and
About 120 degrees Celsius of the hot water formed after heat exchange is generated electricity by hot water outlet 404 via pipelined to screw rod generator 500,
Become the cold water inlet 403 that about 60 degrees Celsius of cold water is back to through pipeline in the second heat exchanger 400, cold water after hot water power generation
Hot water is heated into cycle operation in being again introduced into the second heat exchanger 400.
As shown in Figure 1, medium temperature of the medium temperature smoke inlet 311 of First Heat Exchanger 300 by pipeline and the second heat exchanger 400
Exhanst gas outlet 402 is connected, and the low-temperature flue gas outlet 313 of First Heat Exchanger 300 is connected with chimney 200, First Heat Exchanger 300
Cool air inlet 315 is connected by pipeline with air-source (not shown), and the hot air outlet 317 of First Heat Exchanger 300 passes through
Pipeline is connected with main burner 10, to which the hot-air formed after heat exchange to be delivered in main burner 10 for combustion-supporting.
Fig. 2 is please referred to, First Heat Exchanger 300 includes outer barrel 310, is coaxially set in outer barrel 310 with outer barrel 310
Interior rotation heat-storage plate 330, the first partition 350 for being set to 330 side of rotation heat-storage plate and it is set to rotation heat-storage plate 330
The second partition 360 of the other side.Wherein, first partition 350 and second partition 360 be located at outer barrel 310 by axial line
On same longitudinal cross-section, the leading portion of outer barrel 310 is divided into the first flue gas flow channel 321 and the first air stream by first partition 350
The back segment of outer barrel 310 is divided into the second flue gas flow channel 323 and the second air flow channel 324 by road 322, second partition 360.First
One end of the separate rotation heat-storage plate 330 of flue gas flow channel 321 forms medium temperature smoke inlet 311, the second flue gas flow channel 323 it is remote
One end from rotation heat-storage plate 330 forms low-temperature flue gas outlet 313, the separate rotation heat-storage plate 330 of the second air flow channel 324
One end forms cool air inlet 315, and one end of the separate rotation heat-storage plate 330 of the first air flow channel 322 forms hot air outlet
317。
As shown in Figure 3 and Figure 4, rotation heat-storage plate 330 includes porous bottom wall 331, porous roof 332, from porous bottom wall
Along the longitudinal axis setting of all side walls 333, edge rotation heat-storage plate 330 that 331 periphery extends to the periphery of porous roof 332
Eight for entreating pivotal axis 334 and extending from central pivotal axis 334 to all side walls 333 along the radial direction of rotation heat-storage plate 330
Panel 335.Wherein, porous bottom wall 331, porous roof 332, all side walls 333, central pivotal axis 334 and two neighboring panel 335
Between be respectively formed one for holding the heat exchange storehouses 337 of Ceramic Balls, it is each exchange heat storehouse 337 can be successively around outer barrel 310
Longitudinal axis absorbed from flue gas flow channel uniform rotation to air flow channel flue gas flow channel high temperature flue gas waste-heat it is empty
Air in flow channel.Wherein, one end of the neighbouring rotation heat-storage plate 330 of first partition 350 is close to rotation heat-storage plate 330
The upper surface of porous roof 332, one end of the neighbouring rotation heat-storage plate 330 of second partition 360 are more close to rotation heat-storage plate 330
The lower surface of hole bottom wall 331 rotates the outside wall surface of all side walls 333 of heat-storage plate 330 close to the internal face of outer barrel 310.
The medium temperature flue gas that the high-temperature flue gas in furnace body 100 is formed after the heat exchange of the second heat exchanger 400 as a result, is changed by first
The medium temperature smoke inlet 311 of hot device 300 enters in the first flue gas flow channel 321 of First Heat Exchanger 300, by rotating heat-storage plate
After 330 heat exchange, into the second flue gas flow channel 323, chimney 200 is expelled to from low-temperature flue gas outlet 313.Cold air is in third wind turbine
Under the action of F3, enter the second air flow channel 324 from the cool air inlet 315 of First Heat Exchanger 300, by rotating heat-storage plate
After 330 heat exchange, into after the first air flow channel 322, it is transmitted to main burner 10 from high temperature air outlet 317, to heat
Air afterwards is used as combustion-supporting gas.
In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show
The description of example " or " some examples " etc. means that specific features, structure or feature described in conjunction with this embodiment or example include
In at least one embodiment or example of the utility model.In the present specification, schematic expression of the above terms need not
It must be directed to identical embodiment or example.In addition, without conflicting with each other, those skilled in the art can incite somebody to action
The feature of different embodiments or examples and different embodiments or examples described in this specification is combined.
Although preferred embodiments of the present invention have been described in detail herein, it is to be understood that the utility model is not
It is confined to the concrete structure be described in detail and shown here, it can be by without departing from the spirit and scope of the utility model
Those skilled in the art realizes other modifications and variant.
Claims (8)
1. a kind of aluminium melting furnace off-gas recovery utilizes device, including:
Furnace body, the interior burner hearth being equipped with for combustion heat release of the furnace body;
At least three burners, at least three burner gap be set to the front end of the burner hearth and with the stove of the furnace body
Thorax is connected spraying combustion gas and combustion-supporting gas to combustion heat release in the furnace body;
It is characterized in that,
At least three burner include set on intermediate main burner and along the burner hearth longitudinal direction be distributed in it is described
At least two auxiliary burners of main burner both sides;
The furnace body on the roof of the rear end of the far and near burner hearth in being connected with the first smoke discharging pipe, along first smoke discharging pipe
Flow of flue gas direction be provided with First Heat Exchanger, the First Heat Exchanger is rotation waste-heat recoverer;The rotation waste heat returns
It includes medium temperature smoke inlet, low-temperature flue gas outlet, cool air inlet and hot air outlet to receive device, in the First Heat Exchanger
Warm smoke inlet is connected by pipeline with first smoke discharging pipe, and the low-temperature flue gas of the First Heat Exchanger exports and passes through
Pipeline chimney is connected, and the cool air inlet of the First Heat Exchanger is connected by pipeline with air-source, the First Heat Exchanger
Hot air outlet be connected with the main burner by pipeline;
The furnace body is in being connected with the second smoke explorer on the roof of the front end of the neighbouring burner hearth, in second smoke explorer
It is connected at least two flue gases to be in charge of, at least two flue gases, which are in charge of, is respectively connected at least two auxiliary burners.
2. aluminium melting furnace off-gas recovery as described in claim 1 utilizes device, which is characterized in that the rotation waste-heat recoverer packet
Include outer barrel, with the outer barrel be coaxially set in the outer barrel rotation heat-storage plate, be set to the rotation accumulation of heat
The first partition of disk side and the second partition for being set to the rotation heat-storage plate other side;Wherein, the first partition and
The second partition is located on the same longitudinal cross-section of the outer barrel, and the first partition separates the leading portion of the outer barrel
For the first flue gas flow channel and the first air flow channel, the back segment of the outer barrel is divided into the second flue gas flow channel by the second partition
With the second air flow channel;One end far from the rotation heat-storage plate of first flue gas flow channel forms the medium temperature flue gas and enters
Mouthful, one end far from the rotation heat-storage plate of second flue gas flow channel forms the low-temperature flue gas outlet, and described second is empty
One end far from the rotation heat-storage plate of flow channel forms the cool air inlet, first air flow channel far from described
One end of rotation heat-storage plate forms the hot air outlet.
3. aluminium melting furnace off-gas recovery as claimed in claim 2 utilizes device, which is characterized in that the rotation heat-storage plate includes more
Hole bottom wall, porous roof, all side walls extended from the periphery of the porous bottom wall to the periphery of the porous roof, along described turn
Move the central pivotal axis of the longitudinal axis setting of heat-storage plate and the radial direction from the central pivotal axis along the rotation heat-storage plate
At least eight panels that direction extends to all side walls, wherein the porous bottom wall, the porous roof, all side walls,
A heat exchange storehouse for holding heat-storing material is respectively formed between the center pivotal axis and two neighboring panel.
4. aluminium melting furnace off-gas recovery as described in claim 1 utilizes device, which is characterized in that in first smoke discharging pipe
Upstream end be equipped with the second heat exchanger, second heat exchanger include high-temperature flue gas entry, medium temperature exhanst gas outlet, cold water inlet and
Hot water outlet, the high-temperature flue gas entry is connected by pipeline with first smoke discharging pipe, in second heat exchanger
Warm exhanst gas outlet is connected with the medium temperature smoke inlet of the First Heat Exchanger by pipeline.
5. aluminium melting furnace off-gas recovery as claimed in claim 4 utilizes device, which is characterized in that the aluminium melting furnace off-gas recovery profit
It is further provided with screw rod generator with device.
6. aluminium melting furnace off-gas recovery as described in claim 1 utilizes device, which is characterized in that set in first smoke discharging pipe
There is the first wind turbine.
7. aluminium melting furnace off-gas recovery as claimed in claim 6 utilizes device, which is characterized in that set in second smoke explorer
There is the second wind turbine.
8. aluminium melting furnace off-gas recovery as claimed in claim 7 utilizes device, which is characterized in that the cold sky of the First Heat Exchanger
Gas inlet is equipped with third wind turbine.
Priority Applications (1)
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CN201721461005.XU CN208026084U (en) | 2017-11-03 | 2017-11-03 | Aluminium melting furnace off-gas recovery utilizes device |
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CN201721461005.XU CN208026084U (en) | 2017-11-03 | 2017-11-03 | Aluminium melting furnace off-gas recovery utilizes device |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107883777A (en) * | 2017-11-03 | 2018-04-06 | 广东工业大学 | Aluminium melting furnace off-gas recovery utilizes system |
CN113175824A (en) * | 2021-04-16 | 2021-07-27 | 河北科技大学 | Heat accumulating type heating furnace with one-side combustion function and using method thereof |
-
2017
- 2017-11-03 CN CN201721461005.XU patent/CN208026084U/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN107883777A (en) * | 2017-11-03 | 2018-04-06 | 广东工业大学 | Aluminium melting furnace off-gas recovery utilizes system |
CN107883777B (en) * | 2017-11-03 | 2024-04-02 | 广东工业大学 | Aluminum melting furnace flue gas recycling system |
CN113175824A (en) * | 2021-04-16 | 2021-07-27 | 河北科技大学 | Heat accumulating type heating furnace with one-side combustion function and using method thereof |
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