CN104315866A - Efficient heat storage type aluminum smelting furnace - Google Patents
Efficient heat storage type aluminum smelting furnace Download PDFInfo
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- CN104315866A CN104315866A CN201410515390.6A CN201410515390A CN104315866A CN 104315866 A CN104315866 A CN 104315866A CN 201410515390 A CN201410515390 A CN 201410515390A CN 104315866 A CN104315866 A CN 104315866A
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- regenerator
- heat
- heat storage
- heater
- accumulating
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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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- 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 an efficient heat storage type aluminum smelting furnace which comprises a furnace body and heat storage chambers, wherein at least two groups of the heat storage chambers are arranged on the side wall of the furnace body; each group of the heat storage chamber comprises two heat storage chambers; each heat storage chamber is connected with a draught flue by a delivery pipe, so that a part of high-temperature discharged flue gas and combustion air are mixed and heated in each heat storage chamber and are input into the furnace body for auxiliary firing. The efficient heat storage type aluminum smelting furnace disclosed by the invention has the following beneficial effects that 1, the combustion efficiency is higher, wherein the mionectic combustion air is heated to be above 100 DEG C, the speed of ignition is faster, the combustion efficiency is higher, and the heat release value also can be efficiently increased; 2. the operation cost is low, the discharged waste heat is fully used and efficiently recycled, and a large amount of fuel is saved; 3, pollutant discharge total amount is greatly reduced, wherein the discharge total amount of nitrogen oxides which are the main pollutants is greatly reduced.
Description
Technical field
The present invention relates to molten aluminium stove technical field, particularly a kind of high-efficiency heat-accumulating melts aluminium stove.
Background technology
China is energy resource consumption big country, and in the wastage in bulk or weight of the national energy, coal occupies very large proportion, reaches more than 75%.China is also the country that the energy faces shortage simultaneously, and China's Chinese energy demand exceedes half and all will be filled up by foreign Imported oil.Simple dependence international petroleum market is extreme danger; In the middle of state's tariff barrier of being used for suppressing foreign country's competition when fading away, the growing global implications of the U.S. can be unfavorable to China, especially the military affairs of the U.S. to the strategic area Strait of Malacca are clamped down on let us especially and are felt uneasy, because the oil shipping of China's great majority fortune from the Persian Gulf all must by this area.Therefore, enterprises carries out energy-saving and emission-reduction, and reducing energy resource consumption is the task of top priority.
Molten aluminium stove is used for the melting and casting of non-ferrous metal and the use of hot dip such as aluminium, zinc, silver, lead, tin, copper, uses widely.As shown in Figure 1, existing molten aluminium stove comprises body of heater 1 and a regenerator 2, and described regenerator 2 is connected with described body of heater 1, fills heat storage medium 3 in described regenerator, for absorbing heat and heating the combustion air inputted.Although said structure can be beneficial to discharge waste-heat combustion air, but one group of regenerator of two regenerator compositions is only set, as body of heater larger (diameter is more than 4m), combustion-supporting air quantity will be caused inadequate, and it is uneven, cause burning insufficient, the disposal of pollutants after burning is relatively serious, also severe contamination environment while of inefficient.
Summary of the invention
The object of the invention is the deficiency existed for above-mentioned existing molten aluminium stove, provide a kind of structure simple, efficiency of combustion is high, and after burning, amount of nitrogen oxides is lower, and the high-efficiency heat-accumulating reducing environmental pollution melts aluminium stove.
The present invention is achieved in that high-efficiency heat-accumulating melts aluminium stove, comprises body of heater and regenerator, regenerator described in described minimum two groups of sidewall of the furnace body laying, and every two described regenerator form one group; Each described regenerator is connected with exhaust uptake by carrier pipe, for quoting part high temperature discharge flue gas and combustion air inputs auxiliary combustion in body of heater after regenerator Hybrid Heating.The high-temperature low-oxygen combustion air provided, can promote the high-temp combustion of body of heater fuel, effectively can reduce the discharge of nitrogen oxide simultaneously, reduces environmental pollution.
Preferably, the cross section of described body of heater is circular, and described regenerator is arranged on described body of heater, and the straight line at regenerator place described in two groups is in the shape that intersects vertically, and effectively can improve boiler efficiency like this, and decreasing pollution thing discharges.
Preferably, described furnace body inside wall coating has the coating of roughness, for improving heat reflection efficiency,
Preferably, the irregular arrangement hemisphere jut of described coating outer surface, described hemisphere jut at 3-8mm, can effectively improve heat reflection efficiency relative to the height of inboard wall of furnace body, thus improves gross efficiency in body of heater.
Preferably, the diameter of described body of heater is greater than 4m.
Preferably, fill heat transferring medium in described regenerator, and gas equipartition device is set in regenerator bottom, described carrier pipe is connected with described gas equipartition device, for disperseing flue gas, improving the degree of mixing of flue gas and air, making combustion-supporting gas temperature more even simultaneously.Preferably, arrange screen layer in described regenerator, described heat transferring medium is arranged on described screen layer, for ash discharge.
Preferably, described regenerator and described body of heater interface channel arrange impeller, gets for combustion air and flue gas have been stirred, improve Combination.
Preferably, described body of heater central authorities arrange assistant reflection device.
Described assistant reflection device can two, parabola face baffle plate is arranged in a crossed manner to be formed by having.
Described assistant reflection device can be install the reflecting plate composition that four pieces have parabola face in the outside of an axis body.And described axis body is rotatingly be arranged on described furnace interior.
The present invention has following beneficial effect: 1. efficiency of combustion is higher: the combustion-supporting mist of hypoxemia is heated above 100 DEG C, and speed of ignition is faster, and efficiency of combustion is higher, and release calorific value also can effectively improve; 2. operating cost is low, makes full use of discharge waste heat, accomplishes effective recycling discharge waste heat, has saved a large amount of fuel; 3. gross contamination emission greatly reduces: major pollutants (nitrogen oxide) total emission volumn also greatly reduces.
Accompanying drawing explanation
Fig. 1 is the structural representation of existing molten aluminium stove;
Fig. 2 is structural representation Fig. 1 that high-efficiency heat-accumulating of the present invention melts aluminium stove;
Fig. 3 is structural representation Fig. 2 that high-efficiency heat-accumulating of the present invention melts aluminium stove.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention will be described in detail.
High-efficiency heat-accumulating melts aluminium stove, and as shown in Figures 2 and 3, it comprises body of heater 1 and regenerator 2, regenerator 2 described in minimum two groups of the sidewall laying of described body of heater 1.Four described regenerator 2 can be evenly be laid in described body of heater 1 sidewall surrounding.Every two described regenerator 2 form one group, one group for inputting auxiliary combustion gas, other one group for deriving burnt gas, heat the heat transferring medium 3 in described regenerator 2 simultaneously.Wherein, often organize described regenerator 2 and be connected with exhaust uptake by carrier pipe 6, carrier pipe 6 is provided with blower fan 61, for quoting part high temperature discharge flue gas and combustion air inputs auxiliary combustion in body of heater after Hybrid Heating in described regenerator 2.The high-temperature low-oxygen combustion-supporting gas provided, can promote the high-temp combustion of body of heater fuel, effectively can reduce the discharge of nitrogen oxide simultaneously, reduces environmental pollution.When using, described in one group, regenerator 2 is for spraying combustion-supporting gas, and another is organized described regenerator 2 for combustion gas and carries out heat exchange.The cross section of described body of heater 1 is circular, and four described regenerator 2 are installed on outside the sidewall of described circular body of heater equably.Air-vent, slag notch, discharging opening, charging aperture and oil circuit interface etc. are also set in described body of heater 1.Described body of heater 1 arranges gas gun 5, for burning to burner oil in body of heater.Wherein, the diameter of described body of heater 1 is the large-scale body of heater being greater than 4m.
Wherein, in described regenerator 2, fill heat transferring medium 3, and bottom regenerator 2 in gas equipartition device 4 is set, described carrier pipe 6 is connected with described gas equipartition device 4, for disperseing flue gas, improving the degree of mixing of flue gas and air, making combustion-supporting gas temperature more even simultaneously.The described heat transferring medium 5 that fills can be Ceramic Balls, can absorb the heat by flue gas efficiently, and the air that can effectively be heated by.Described gas equipartition device 4 can be the box being covered with through hole, for heat smoke is all branched away with heat after air carry out contacting and mix.In described regenerator 2, arrange screen layer 23, described heat transferring medium 3 is arranged on described screen layer 23, for ash discharge.Described regenerator 2 low side arranges ash discharge funnel 22, for ash discharge.Described regenerator 2 and described body of heater 1 interface channel 21 arrange impeller 10, get for combustion air and flue gas have been stirred, be air mix with flue gas evenly.
Described body of heater 1 madial wall coating has the coating 8 of roughness, for improving heat reflection efficiency, preferably, the irregular arrangement hemisphere jut of described coating 8 outer surface, described hemisphere jut relative to the height of inboard wall of furnace body at 3-8mm, can effectively improve heat reflection efficiency, thus improve gross efficiency in body of heater.In addition, described hemisphere jut is distributed as 20-120 every square centimeter in described body of heater 1 interior side-wall surface, and such reflecting effect is best.In described body of heater 1 central authorities, assistant reflection device 9 is set.Described assistant reflection device can two, parabola face baffle plate is arranged in a crossed manner to be formed by having.Described assistant reflection device can be install four pieces of reflecting plates 91 with parabola face to form in the outside of an axis body.And described axis body is that rotating to be arranged on described body of heater 1 inner.Such structure minimumly can raise the efficiency more than 15%, and realizes being easy to.
Above-described embodiment is not limitation of the present invention; the those of ordinary skill of relevant technical field; without departing from the spirit and scope of the present invention; various change and modification can also be made; therefore all equivalent technical schemes also should belong to category of the present invention, and scope of patent protection of the present invention should be limited by each claim.
Claims (10)
1. high-efficiency heat-accumulating melts aluminium stove, comprises body of heater and regenerator, it is characterized in that: regenerator described in described minimum two groups of sidewall of the furnace body laying, and every two described regenerator form one group; Each described regenerator is connected with exhaust uptake by carrier pipe.
2. melt aluminium stove according to high-efficiency heat-accumulating according to claim 1, it is characterized in that: the cross section of described body of heater is for circular, and described regenerator is arranged on described body of heater, and the straight line at regenerator place described in two groups is in the shape that intersects vertically.
3. melt aluminium stove according to the high-efficiency heat-accumulating described in claims 1 or 2, it is characterized in that: described furnace body inside wall coating has the coating of roughness, for improving heat reflection efficiency,
4. melt aluminium stove according to high-efficiency heat-accumulating according to claim 3, it is characterized in that: the irregular arrangement hemisphere jut of described coating outer surface, described hemisphere jut at 3-8mm, can effectively improve heat reflection efficiency relative to the height of inboard wall of furnace body, thus improves gross efficiency in body of heater.
5. melt aluminium stove according to high-efficiency heat-accumulating according to claim 1, it is characterized in that: fill heat transferring medium in described regenerator, and in regenerator bottom, arrange gas equipartition device, described carrier pipe is connected with described gas equipartition device.
6. melt aluminium stove according to high-efficiency heat-accumulating according to claim 5, it is characterized in that: arrange screen layer in described regenerator, described heat transferring medium is arranged on described screen layer, for ash discharge.
7. melt aluminium stove according to high-efficiency heat-accumulating according to claim 6, it is characterized in that: described regenerator and described body of heater interface channel arrange impeller, gets for combustion air and flue gas have been stirred, improve Combination.
8. melt aluminium stove according to high-efficiency heat-accumulating according to claim 1, it is characterized in that: described body of heater central authorities arrange assistant reflection device.
9. melt aluminium stove according to high-efficiency heat-accumulating according to claim 8, it is characterized in that: two, parabola face baffle plate is arranged in a crossed manner to be formed described assistant reflection device by having.
10. melt aluminium stove according to high-efficiency heat-accumulating according to claim 8, it is characterized in that: described assistant reflection device installs four pieces of reflecting plates compositions with parabola face, and described axis body is rotatingly be arranged on described furnace interior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410515390.6A CN104315866B (en) | 2014-09-29 | 2014-09-29 | High-efficiency heat-accumulating aluminium melting furnace |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410515390.6A CN104315866B (en) | 2014-09-29 | 2014-09-29 | High-efficiency heat-accumulating aluminium melting furnace |
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| CN104315866A true CN104315866A (en) | 2015-01-28 |
| CN104315866B CN104315866B (en) | 2019-04-26 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105222585A (en) * | 2015-10-12 | 2016-01-06 | 广东工业大学 | The combustion-supporting energy-saving aluminium-melting furnace of small-sized flue gas |
| CN105300099A (en) * | 2015-11-18 | 2016-02-03 | 北京神雾环境能源科技集团股份有限公司 | Smelting furnace |
| WO2017084254A1 (en) * | 2015-11-19 | 2017-05-26 | 广东工业大学 | Continuous aluminium melting furnace of low-oxygen and high-temperature combustion with porous spray pipe heat exchanger |
| CN108968704A (en) * | 2017-06-01 | 2018-12-11 | 佛山市顺德区美的电热电器制造有限公司 | Pot and its manufacturing method and cooking apparatus in ceramic inserts metal |
| CN114349329A (en) * | 2021-11-22 | 2022-04-15 | 山东阳谷电缆集团有限公司 | Longitudinal extending device for optical fiber preform |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114349329A (en) * | 2021-11-22 | 2022-04-15 | 山东阳谷电缆集团有限公司 | Longitudinal extending device for optical fiber preform |
| CN114349329B (en) * | 2021-11-22 | 2023-11-07 | 山东阳谷电缆集团有限公司 | Longitudinal extension device for optical fiber preform |
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Effective date of registration: 20190327 Address after: 510006 No. 100, West Ring Road, University Town, Panyu District, Guangzhou City, Guangdong Province Applicant after: GUANGDONG University OF TECHNOLOGY Applicant after: GUANGDONG R&D CENTER FOR TECHNOLOGICAL ECONOMY Address before: 510006 Panyu District, Guangzhou, Guangdong, Panyu District, No. 100, West Ring Road, outside the city. Applicant before: Guangdong University of Technology |
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