CN203432429U - Heat exchange device for manufacturing regeneration aluminum alloy - Google Patents
Heat exchange device for manufacturing regeneration aluminum alloy Download PDFInfo
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- CN203432429U CN203432429U CN201320512481.5U CN201320512481U CN203432429U CN 203432429 U CN203432429 U CN 203432429U CN 201320512481 U CN201320512481 U CN 201320512481U CN 203432429 U CN203432429 U CN 203432429U
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- heat
- heat exchanger
- type heat
- dividing wall
- flue gas
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/14—Thermal energy storage
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- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
- Air Supply (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
Abstract
The utility model discloses a heat exchange device for manufacturing regeneration aluminum alloy. The heat exchange device structurally comprises a heat accumulating type heat exchanger and a dividing wall type heat exchanger which are in series connection. A dust filter is further arranged between the heat accumulating type heat exchanger and the dividing wall type heat exchanger. A plurality of heat accumulating pipelines with circular cross sections are arranged inside the heat accumulating type heat exchanger in parallel, and the heat accumulating pipelines are arrayed inside the heat accumulating type heat exchanger in a wave shape. The dividing wall type heat exchanger is composed of an inner tube and an outer tube which are connected together in a sleeved mode, a plurality of fins are evenly distributed on the inner wall of the inner tube, and gaps used for allowing flue gas to pass through are all reserved between the fins. The acute included angle formed by the fins and the axial direction of the inner tube is 20 degrees, and the tilting direction of the fins is the same as the flow direction of high temperature flue gas. By means of the heat exchange device for manufacturing the regeneration aluminum alloy, the defects in the prior art can be overcome, the structure of the heat accumulating type heat exchanger is reasonably designed, the dividing wall type heat exchanger is connected to the lower level of the heat accumulating type heat exchanger in series, the flue gas temperature can be lowered to below 60 DEG C, and the heat utilization rate is improved.
Description
Technical field
The utility model relates to a kind of secondary aluminium alloy production equipment, especially a kind of secondary aluminium alloy heat-exchanger rig of preparing.
Background technology
Aluminium alloy is a kind of metal material conventional in people's daily life.The production of aluminium alloy is consumption of natural resource very, so present people pay much attention to the regenerative use technology of aluminium alloy.The existing heat accumulating type smelting furnace for aluminium alloy regeneration uses storage heater to carry out absorbing and cooling temperature to high-temperature flue gas, and still, the flue-gas temperature of process storage heater has still reached 150 ℃～300 ℃, if directly discharge still has a lot of heats to be wasted.
Utility model content
The technical problems to be solved in the utility model is to provide a kind of secondary aluminium alloy heat-exchanger rig of preparing, can improve the deficiencies in the prior art, by appropriate design heat regenerator structure, and at the dividing wall type heat exchanger of subordinate series connection of heat regenerator, flue-gas temperature can be reduced to below 60 ℃, improve heat utilization ratio.
For solving the problems of the technologies described above, technical solution adopted in the utility model is as follows.
A secondary aluminium alloy heat-exchanger rig, structure comprises heat regenerator and the dividing wall type heat exchanger being connected in series, and is also provided with dust filter unit between heat regenerator and dividing wall type heat exchanger; It is circular accumulation of heat pipeline that heat regenerator inside is arranged with several cross sections in parallel, and accumulation of heat pipeline undulate in heat regenerator is arranged; Dividing wall type heat exchanger is comprised of the inner and outer tubes that connect together, on the inwall of inner tube, be evenly distributed with several fins, between fin and fin, all leave the space that flue gas is passed through, the acute angle angle that the axial direction of fin and inner tube forms is 20 °, and the incline direction of fin is identical with flowing to of high-temperature flue gas.
As preferably, high-temperature flue gas flows through from described inner tube, and combustion air flows through from described outer tube, and high-temperature flue gas is contrary with the flow direction of combustion air.
As preferably, the accumulation of heat filler that described heat regenerator adopts is thermal storage ceramic.
As preferably, the material of described dividing wall type heat exchanger is copper.
The beneficial effect that adopts technique scheme to bring is: the accumulation of heat pipeline in the utility model is circular cross-section, can strengthen the contact area of high-temperature flue gas and accumulation of heat pipeline, accumulation of heat pipeline is designed to waveform, can not change under the prerequisite of heat regenerator volume, strengthen the total length of accumulation of heat pipeline, improve heat absorption rate.Dividing wall type heat exchanger adopts the mode of countercurrent flow, can improve heat exchange efficiency.The tilted fin that is provided with of inner tube in high-temperature flue gas circulation, can improve 2～3 times of heat exchange efficiencies.Although the decline that the flow of inner tube after fin has 10% left and right is set, and this can make up by increasing gas flow rate, can not cause any adverse effect to the air draft of smelting furnace.Dust filter unit can filter the dust granules in flue gas, and avoiding it to be deposited on affects heat absorption on fin.Thermal storage ceramic has that intensity is high, wear-resistant, thermal conductivity and thermal capacity is large, heat storage efficiency is high, not breakable advantage when Heat stability is good, temperature acute variation.That copper has advantages of is corrosion-resistant, thermal conductivity good.Use the utility model, flue-gas temperature can be reduced to below 60 ℃.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of a concrete mode of implementing of the utility model.
In figure: 1, heat regenerator; 2, dividing wall type heat exchanger; 3, accumulation of heat pipeline; 4, inner tube; 5, outer tube; 6, fin; 7, dust filter unit; A, acute angle angle.
The specific embodiment
With reference to Fig. 1, structure of the present utility model comprises heat regenerator 1 and the dividing wall type heat exchanger 2 being connected in series, and between heat regenerator 1 and dividing wall type heat exchanger 2, is also provided with dust filter unit 7; It is circular accumulation of heat pipeline 3 that heat regenerator 1 inside is arranged with several cross sections in parallel, and accumulation of heat pipeline 3 is arranged at the interior undulate of heat regenerator 1; Dividing wall type heat exchanger 2 is comprised of the inner tube 4 connecting together and outer tube 5, on the inwall of inner tube 4, be evenly distributed with several fins 6, between fin 6 and fin 6, all leave the space that flue gas is passed through, fin 6 is 20 ° with the acute angle included angle A of the axial direction formation of inner tube 4, and the incline direction of fin 6 is identical with flowing to of high-temperature flue gas.
It should be noted that high-temperature flue gas flows through from described inner tube 4, combustion air flows through from described outer tube 5, and high-temperature flue gas is contrary with the flow direction of combustion air.
It should be noted that the accumulation of heat filler that described heat regenerator 1 adopts is thermal storage ceramic.
In addition, the material of described dividing wall type heat exchanger 2 is copper.
Operation principle of the present utility model is: the accumulation of heat pipeline 3 in the utility model is circular cross-section, can strengthen the contact area of high-temperature flue gas and accumulation of heat pipeline 3, accumulation of heat pipeline 3 is designed to waveform, can not change under the prerequisite of heat regenerator 1 volume, strengthen the total length of accumulation of heat pipeline 3, improve heat absorption rate.Dividing wall type heat exchanger 2 adopts the mode of countercurrent flow, can improve heat exchange efficiency.The tilted fin 6 that is provided with of inner tube 4 in high-temperature flue gas circulation, can improve 2～3 times of heat exchange efficiencies.Although the flow that the rear inner tube 4 of fin 6 is set has the decline of 10% left and right, this can make up by increasing gas flow rate, can not cause any adverse effect to the air draft of smelting furnace.Dust filter unit 7 can filter the dust granules in flue gas, and avoiding it to be deposited on affects heat absorption on fin.Thermal storage ceramic has that intensity is high, wear-resistant, thermal conductivity and thermal capacity is large, heat storage efficiency is high, not breakable advantage when Heat stability is good, temperature acute variation.That copper has advantages of is corrosion-resistant, thermal conductivity good.Use the utility model, flue-gas temperature can be reduced to below 60 ℃.
More than show and described basic principle of the present utility model and principal character and advantage of the present utility model.The technical staff of the industry should understand; the utility model is not restricted to the described embodiments; that in above-described embodiment and description, describes just illustrates principle of the present utility model; do not departing under the prerequisite of the utility model spirit and scope; the utility model also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the utility model.The claimed scope of the utility model is defined by appending claims and equivalent thereof.
Claims (4)
1. prepare secondary aluminium alloy heat-exchanger rig for one kind, it is characterized in that: structure comprises heat regenerator (1) and the dividing wall type heat exchanger (2) being connected in series, and between heat regenerator (1) and dividing wall type heat exchanger (2), is also provided with dust filter unit (7); It is circular accumulation of heat pipeline (3) that heat regenerator (1) inside is arranged with several cross sections in parallel, and accumulation of heat pipeline (3) undulate in heat regenerator (1) is arranged; Dividing wall type heat exchanger (2) is comprised of the inner tube connecting together (4) and outer tube (5), on the inwall of inner tube (4), be evenly distributed with several fins (6), between fin (6) and fin (6), all leave the space that flue gas is passed through, fin (6) is 20 ° with the acute angle angle (A) of the axial direction formation of inner tube (4), and the incline direction of fin (6) is identical with flowing to of high-temperature flue gas.
2. the secondary aluminium alloy heat-exchanger rig of preparing according to claim 1, is characterized in that: high-temperature flue gas flows through from described inner tube (4), and combustion air flows through from described outer tube (5), and high-temperature flue gas is contrary with the flow direction of combustion air.
3. the secondary aluminium alloy heat-exchanger rig of preparing according to claim 1, is characterized in that: the accumulation of heat filler that described heat regenerator (1) adopts is thermal storage ceramic.
4. the secondary aluminium alloy heat-exchanger rig of preparing according to claim 1, is characterized in that: the material of described dividing wall type heat exchanger (2) is copper.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512481.5U CN203432429U (en) | 2013-08-21 | 2013-08-21 | Heat exchange device for manufacturing regeneration aluminum alloy |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320512481.5U CN203432429U (en) | 2013-08-21 | 2013-08-21 | Heat exchange device for manufacturing regeneration aluminum alloy |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203432429U true CN203432429U (en) | 2014-02-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320512481.5U Expired - Lifetime CN203432429U (en) | 2013-08-21 | 2013-08-21 | Heat exchange device for manufacturing regeneration aluminum alloy |
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| Country | Link |
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| CN (1) | CN203432429U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216360A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Radiator and air conditioner with same |
-
2013
- 2013-08-21 CN CN201320512481.5U patent/CN203432429U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114216360A (en) * | 2021-12-16 | 2022-03-22 | 珠海格力电器股份有限公司 | Radiator and air conditioner with same |
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|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140212 |
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| CX01 | Expiry of patent term |