CN209820139U - Interlayer air pipe of aluminum melting furnace - Google Patents
Interlayer air pipe of aluminum melting furnace Download PDFInfo
- Publication number
- CN209820139U CN209820139U CN201920092069.XU CN201920092069U CN209820139U CN 209820139 U CN209820139 U CN 209820139U CN 201920092069 U CN201920092069 U CN 201920092069U CN 209820139 U CN209820139 U CN 209820139U
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- Prior art keywords
- air
- flue gas
- tuber pipe
- duct
- blade
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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
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Air Supply (AREA)
Abstract
The utility model provides a melt aluminium stove intermediate layer tuber pipe, including flue gas tuber pipe, preheated air tuber pipe, air heater, flue gas tuber pipe, preheated air tuber pipe set up in the intermediate layer between furnace body and the oven and encircle in the furnace body both sides, the inboard top both sides of oven are equipped with the flue gas delivery outlet respectively, preheat the air input port, flue gas delivery outlet and flue gas tuber pipe intercommunication, preheat the air input port and preheat the air tuber pipe intercommunication, air heater installs in the oven bottom, and air heater includes rotor, blade, the blade encircles and installs on the rotor, the blade is dog-ear formula blade, is equipped with the baffle in the middle of the air heater and divide into heat absorption district, heat release area with air heater, flue gas tuber pipe bottom and heat absorption district intercommunication, preheated air tuber pipe bottom and heat release area intercommunication.
Description
Technical Field
The utility model relates to a metallurgical industry field specifically relates to a melt aluminium stove intermediate layer tuber pipe.
Background
The aluminum melting furnace is a novel high-efficiency energy-saving furnace developed according to an aluminum melting process, can well meet the requirements of strict alloy component requirements, discontinuous production, large single-furnace capacity and the like in the aluminum melting process, achieves the effects of reducing consumption, reducing burning loss, improving product quality, reducing labor intensity, improving labor conditions and improving production efficiency, and is suitable for batch operation and melting with more alloy and scrap returns.
The aluminum melting furnace generally comprises a furnace body and a furnace wall, wherein the furnace body is sleeved in the furnace wall, an interlayer is formed in a hollow part between the furnace body and the furnace wall, an air preheater and an interlayer air channel are adopted in the interlayer, the air preheater well absorbs the waste heat of flue gas, the preheated air enters the interlayer air channel of the furnace shell to further preheat and heat, the ambient temperature is relatively increased, the heat dissipation of the furnace shell is reduced, and the combustion efficiency, the combustion intensity, the flame temperature and the flame speed can be improved after the air is preheated, and the circulation and the heating speed of the furnace.
In the existing aluminum melting furnace interlayer air pipe, the blades of the air preheater are generally vertical blades, the residence time of smoke and air on the blades is short, the heat conversion efficiency on a single blade is low, more dense blade distribution is generally needed for ensuring the sufficient conversion of heat, and the cost is increased.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an it is not enough to overcome above-mentioned condition, aims at providing the technical scheme that can solve above-mentioned problem.
The utility model provides a melt aluminium stove intermediate layer tuber pipe, includes the flue gas tuber pipe, preheats air pipe, air heater, flue gas tuber pipe, preheat the air pipe setting and encircle in the intermediate layer between furnace body and the oven and in the furnace body both sides, the inboard top both sides of oven are equipped with flue gas delivery outlet, preheated air input port respectively, flue gas delivery outlet and flue gas tuber pipe intercommunication, preheat the air input port and preheat the air pipe intercommunication, air heater installs in the oven bottom, and air heater includes rotor, blade, the blade encircles and installs on the rotor, the blade is dog-ear formula blade, is equipped with the baffle in the middle of the air heater and divide into heat absorption district, heat release area with air heater, flue gas tuber pipe bottom and heat absorption district intercommunication, preheat air tuber pipe bottom and heat release area.
Furthermore, the bottom of the heat absorption area of the air preheater is connected with an exhaust pipe.
Furthermore, an exhaust fan is arranged in the pipe orifice of the exhaust pipe, and a gas path is formed by the flue gas output port, the flue gas air pipe, the heat absorption area and the exhaust pipe.
Further, the bottom of a heat release area of the air preheater is connected with an exhaust pipe.
Furthermore, an exhaust fan is arranged in a pipe orifice of the exhaust pipe, and a gas path is formed by the preheated air inlet, the preheated air pipe, the heat absorption area and the exhaust pipe.
Compared with the prior art, the utility model discloses the beneficial effect who gains does: the utility model discloses novel structure adopts dog-ear formula blade to replace original vertical type blade, has prolonged the stay time of flue gas, air on the blade, can arrange with less blade and provide higher heat conversion efficiency, reduces the quantity of blade, practices thrift the cost.
Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.
FIG. 1 is a schematic structural view of an interlayer air duct of an aluminum melting furnace of the present invention;
FIG. 2 is a cross-sectional view taken at A of FIG. 1;
FIG. 3 is a schematic structural view of an air preheater according to the present invention;
in the figure: the device comprises a flue gas duct 1, a preheated air duct 2, an air preheater 3, a rotor 31, blades 32, a partition plate 33, a heat absorption area 34, a heat release area 35, a furnace body 4, a furnace wall 5, a flue gas outlet 51, a preheated air inlet 52, an exhaust duct 6, an exhaust fan 61, an exhaust duct 7 and an exhaust fan 71.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely below, and it should be understood that the described embodiments are only some embodiments of the present invention, but not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, an interlayer air duct of an aluminum melting furnace comprises a flue gas duct 1, a preheated air duct 2, and an air preheater 3, the flue gas air pipe 1 and the preheated air pipe 2 are arranged in an interlayer between the furnace body 4 and the furnace wall 5 and encircle the two sides of the furnace body 4, the two sides of the top end of the inner side of the furnace wall 5 are respectively provided with a flue gas output port 51 and a preheated air input port 52, the flue gas output port 51 is communicated with the flue gas air pipe 1, the preheated air input port 52 is communicated with the preheated air pipe 2, the air preheater 3 is arranged at the bottom of the furnace wall 5, the air preheater 3 comprises a rotor 31 and blades 32, the blades 32 are arranged on the rotor 31 in a surrounding mode, the blades 32 are bevel-type blades, a partition plate 33 is arranged in the middle of the air preheater 3 to divide the air preheater 3 into a heat absorption area 34 and a heat release area 35, the bottom end 1 of the flue gas air pipe is communicated with the heat absorption area 34, and the bottom end of the preheated air pipe 2 is communicated with the heat release area 35.
Further, the bottom of the heat absorption area 34 is connected with an exhaust pipe 6, an exhaust fan 61 is arranged in the pipe orifice of the exhaust pipe 6, and the flue gas outlet 51, the flue gas pipe 1, the heat absorption area 34 and the exhaust pipe 6 form a gas path.
Further, the bottom of the heat releasing area 35 is connected with an exhaust pipe 7, an exhaust fan 71 is arranged in the pipe orifice of the exhaust pipe 7, and a preheated air inlet 52, a preheated air pipe 2, a heat absorbing area 35 and the exhaust pipe 7 form an air path.
The utility model discloses a theory of operation does: high-temperature flue gas generated during aluminum melting in the furnace body 4 enters the flue gas air pipe 1 through the flue gas output port 51 and is then transmitted to the heat absorption area 34 of the air preheater 3, the blades 32 on the air preheater 3 absorb and store heat in the high-temperature flue gas, and the cooled flue gas after releasing the heat is finally discharged into the air through the exhaust pipe 6; when the blades 32 are transferred from the heat absorption area 34 to the heat release area 35, the air entering from the exhaust pipe 7 absorbs heat from the blades 32 to form high-temperature air, the high-temperature air enters the preheated air pipe 2 and finally enters the furnace body through the preheated air inlet 52, the temperature is further preheated and increased, the ambient temperature is relatively increased, the heat dissipation of the aluminum melting furnace is reduced, the combustion efficiency, the combustion intensity, the flame temperature and speed are improved, and the furnace gas circulation and the temperature increase speed are enhanced.
It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Claims (5)
1. The utility model provides a melt aluminium stove intermediate layer tuber pipe, a serial communication port, including flue gas tuber pipe, preheated air tuber pipe, air heater, flue gas tuber pipe, preheated air tuber pipe set up in the intermediate layer between furnace body and the oven and encircle in the furnace body both sides, the inboard top both sides of oven are equipped with flue gas delivery outlet, preheated air input port respectively, flue gas delivery outlet and flue gas tuber pipe intercommunication, preheated air input port and preheated air tuber pipe intercommunication, air heater installs in the oven bottom, and air heater includes rotor, blade, the blade encircles and installs on the rotor, the blade is dog-ear formula blade, is equipped with the baffle in the middle of the air heater and divide into heat absorption district, heat release area with air heater, flue gas tuber pipe bottom and heat absorption district intercommunication, preheated air tuber pipe bottom and heat release area intercommunication.
2. The aluminum melting furnace laminated air duct of claim 1, wherein an exhaust duct is connected to the bottom of the heat absorption zone of the air preheater.
3. The interlayer air duct of the aluminum melting furnace as claimed in claim 2, wherein an exhaust fan is arranged in the duct opening of the exhaust duct, and the flue gas outlet, the flue gas duct, the heat absorption zone and the exhaust duct form an air path.
4. The sandwich blast pipe of an aluminum melting furnace according to claim 3, wherein an exhaust pipe is connected to the bottom of the heat release area of the air preheater.
5. The interlayer air duct of the aluminum melting furnace as claimed in claim 4, wherein an exhaust fan is arranged in a nozzle of the exhaust duct, and the preheated air inlet, the preheated air duct, the heat absorption zone and the exhaust duct form an air path.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092069.XU CN209820139U (en) | 2019-01-21 | 2019-01-21 | Interlayer air pipe of aluminum melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920092069.XU CN209820139U (en) | 2019-01-21 | 2019-01-21 | Interlayer air pipe of aluminum melting furnace |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209820139U true CN209820139U (en) | 2019-12-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201920092069.XU Active CN209820139U (en) | 2019-01-21 | 2019-01-21 | Interlayer air pipe of aluminum melting furnace |
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| Country | Link |
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| CN (1) | CN209820139U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344752A (en) * | 2020-11-04 | 2021-02-09 | 湖南森科有色金属有限公司 | Novel filtering structure for dust collection in non-ferrous metal smelting |
-
2019
- 2019-01-21 CN CN201920092069.XU patent/CN209820139U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112344752A (en) * | 2020-11-04 | 2021-02-09 | 湖南森科有色金属有限公司 | Novel filtering structure for dust collection in non-ferrous metal smelting |
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