CN201724547U - Heat-accumulation lead melting furnace - Google Patents
Heat-accumulation lead melting furnace Download PDFInfo
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- CN201724547U CN201724547U CN2010202577006U CN201020257700U CN201724547U CN 201724547 U CN201724547 U CN 201724547U CN 2010202577006 U CN2010202577006 U CN 2010202577006U CN 201020257700 U CN201020257700 U CN 201020257700U CN 201724547 U CN201724547 U CN 201724547U
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- heat
- heater
- regenerator
- storage
- accumulation
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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 heat-accumulation lead melting furnace, which comprises a pot body, a furnace body and two heat-accumulation combustion assemblies, wherein the pot body is paced on the furnace body, the inside of the furnace body is separated into two independent heating cavities through a separation wall, each heating cavity is communicated with one heat-accumulation combustion assembly through a smoke gas pipeline arranged on the furnace body, the heat-accumulation combustion assemblies are assembled and arranged at the outer side of the furnace body, and comprise combustion sections used for generating high-temperature heating gas and heat accumulation sections used for providing high-temperature air for the combustion sections, and the combustion sections are communicated with the heating cavities through the smoke gas pipeline. The utility model has the advantages of simple and compact structure, small size, convenient installation and overhauling, good heating effect, long service life and the like.
Description
Technical field
The utility model is mainly concerned with metal molten and refining equipment field, refers in particular to a kind of smelting equipment of metallic lead.
Background technology
At present, coloured enterprise adopts cell-type burning indirect mode to carry out plumbous fusing and refining always.Body of heater is made up of combustion chamber and bringing-up section two parts, and the combustion chamber produces 1100 ℃ of left and right sides high-temperature flue gas and enters the body of heater bringing-up section and directly heat market pot, lead in the pot is melted gradually and carries out refining treatment.Flue-gas temperature after the heating still up to 1000 ℃ about, through simple process, directly emptying, so the thermal efficiency of this type of furnace is very low.Because plumbous fusing and the fluctuation of the flue gas of refinery practice are frequent, fluctuating range is huge, and the high-temperature residual heat that adopts metallic recuperator to reclaim flue gas is recycled mode, and heat exchanger is easy to exceed the high temperature range that it can bear, and the life-span is difficult to guarantee.
Rise along with Regenerative Combustion Technology in nearly 2 years, indivedual enterprises improve by heat storage type combustion this type of furnace.Obtained very obviously energy-saving effect.The improvement technology still is divided into body of heater combustion chamber and bringing-up section two parts, and adopt partition wall that the burning zone symmetry is divided into two independent sectors, each part is provided with a main burner (also being main exhaust opening), a supporting ball bed ceramic heat-storing chamber and an air/flue gas switching device shifter.During ordinary production, the commutation of fixing time of air/flue gas switching device shifter, high-temperature flue gas/cold air alternately exchanges with ceramic heat-storing chamber storage heater direct heat, going out the regenerator air themperature can be preheating to more than 800 ℃, going out regenerator smoke evacuation flue-gas temperature is cooled to greatest extent the waste heat recovery of flue gas be returned in the stove more again below 200 ℃.Two burner combustions/smoke evacuation function hockets, and when a burner is in fired state, another burner is handed over and discharged fume as main exhaust opening.Each main burner is furnished with ever-burning flame, can guarantee burner alternately switch at every turn be in main combustion during the stage coal gas and high-temperature hot air can be timely fire burns; High temperature air enters the preceding cyclic injection combustion gas of burner hearth spout, carries out premix, makes flame be full of whole combustion chamber.
As Fig. 8 and shown in Figure 9, existing structure generally comprises pot body 1 and body of heater 2, and body of heater 2 is divided into body of heater burning zone and body of heater bringing-up section two parts, and the body of heater burning zone is divided into two independent sectors with partition wall 3 symmetries, and each part all disposes a cover Ceramic Balls regenerator 6.Ceramic Balls regenerator 6 adopts a main burner 61 (also being main exhaust opening) to link to each other with body of heater burning zone interface, and main burner 61 sidepieces are provided with burner 62 kept burning day and night, and top is provided with main coal gas and enters spout 63.Be provided with ceramic heat-storing sphere 65 in the Ceramic Balls regenerator 6, regenerator inlet of cold air 64 on the Ceramic Balls regenerator 6 (also being exhanst gas outlet) all connects an air/flue gas switching device shifter, this air/flue gas switching device shifter is with the commutation of fixing time of air/flue gas, high-temperature flue gas/cold air alternately exchanges with ceramic heat-storing sphere 65 direct heat in Ceramic Balls regenerator 6, the hot air temperature that goes out Ceramic Balls regenerator 6 can be preheating to more than 800 ℃, in main burner 61 with enter the coal gas that spout 63 comes out from top master's coal gas and mix, in body of heater 2, ignited, fire burns by the burner kept burning day and night 62 of sidepiece.Go out Ceramic Balls regenerator 6 smoke evacuation flue-gas temperatures and be cooled to below 200 ℃, alternately discharge.
The type of furnace of this structure is though obtained very obviously energy-saving effect.But it is bigger that body of heater takes up an area of, because combustion chamber and bringing-up section directly link to each other, middle nothing is cut off, and coal gas just begins to mix, burn in the combustion chamber with high temperature air.The length of flame, may directly be contacted with heated pot body when flame is longer by coal gas and AIR Proportional and mixed effect decision, causes pot overheated scaling loss of body localized hyperthermia; And it is heat transferring medium that regenerator adopts heat-storing sphere, and the heat exchange specific area is less than normal, need volume excessive, and equipment volume is bigger than normal, and the Equipment Foundations of heat storage have increased basic expense than the basic end of furnace body; Simultaneously, the resistance that air, flue gas pass through is excessive relatively, and the power that need provide is also big, causes air blast and air-introduced machine blast big, the energy consumption height.
The utility model content
The technical problems to be solved in the utility model just is: at the technical problem that prior art exists, the utility model provide a kind of simple and compact for structure, volume is little, heating is effective, the heat-storage lead-melting furnace of long service life.
For solving the problems of the technologies described above, the utility model by the following technical solutions:
A kind of heat-storage lead-melting furnace, comprise a pot body, body of heater and two heat-accumulation combustion assemblies, described pot body is positioned on the body of heater, be separated into independently two heating cavities by partition wall in the described body of heater, it is characterized in that: described each heating cavity is connected with a heat-accumulation combustion assembly by the flue that offers on the body of heater, described heat-accumulation combustion assembly is installed in the outside of body of heater, described heat-accumulation combustion assembly comprises and is used for producing heating with the burning zone of high-temperature gas and be used for providing for burning zone the heat accumulating sections of high temperature air that described burning zone is communicated with heating cavity by flue.
As further improvement of the utility model:
Described heat accumulating sections be positioned at burning zone above or below, described heat accumulating sections comprises regenerator, cellular heat storage and the admission line that is installed in the regenerator end, described cellular heat storage is installed in the regenerator, be equiped with on the described admission line be used for controlling admission line and outside air conducting or with the switching device shifter of body of heater conducting, described cellular heat storage by the heat storage bearing bracket in regenerator.
Horizontal layout between described burning zone and the heat accumulating sections, described heat accumulating sections comprises regenerator, cellular heat storage and is installed in admission line on the regenerator, described cellular heat storage is installed in the regenerator, be equiped with on the described admission line be used for controlling admission line and outside air conducting or with the switching device shifter of body of heater conducting.
Described burning zone comprises the combustion chamber and is installed in ever-burning flame device and main gas port on the combustion chamber.
Offer in line mouth on the described body of heater.
Described heat storage adopts cellular heat storage.
Compared with prior art, advantage of the present utility model is:
1, in the heat-storage lead-melting furnace of the present utility model, the heat-accumulation combustion assembly is installed in the outside of body of heater, promptly independent from body of heater, only keep the bringing-up section part in the body of heater, simplified the structure of furnace body.Coal gas directly mixes, burns in the heat-accumulation combustion assembly with high temperature air like this, high-temp waste gas after the burning enters bringing-up section more at a high speed and contacts with heated pot body, owing to do not had thermal-flame in the body of heater, can avoid a pot body localized hyperthermia, for the augmentation of heat transfer effect suitably reduces the flue gas free air space.
2, in the heat-storage lead-melting furnace of the present utility model, horizontal layout between the burning zone of heat-accumulation combustion assembly and the heat accumulating sections, heat storage can directly be placed on the body of wall of regenerator bottom, does not need to be provided with the heat storage pallet apparatus, can simplify the regenerator structure.
3, in the heat-storage lead-melting furnace of the present utility model, adopting cellular heat storage to replace heat-storing sphere is heat transferring medium, has increased the heat exchange specific area, reduces the regenerator volume on the one hand, can make its basis consistent with body of heater on the other hand; Simultaneously, air, flue gas reduce by the resistance ratios heat-storing sphere resistance of cellular heat storage, and air blast and air-introduced machine blast also can correspondingly reduce.
Description of drawings
Fig. 1 is the plan structure schematic diagram when adopting rectangle body of heater and heat accumulating sections to be positioned at the burning zone below in the specific embodiment;
Fig. 2 is the main TV structure schematic diagram when adopting rectangle body of heater and heat accumulating sections to be positioned at the burning zone below in the specific embodiment;
Fig. 3 is the plan structure schematic diagram when adopting cylindricality body of heater and heat accumulating sections to be positioned at the burning zone below in the specific embodiment;
Fig. 4 is the main TV structure schematic diagram when adopting cylindricality body of heater and heat accumulating sections to be positioned at the burning zone below in the specific embodiment;
Fig. 5 is the main TV structure schematic diagram when heat accumulating sections is positioned at the burning zone top in the specific embodiment;
Fig. 6 is the plan structure schematic diagram during horizontal layout the between burning zone and the heat accumulating sections in the utility model specific embodiment;
Fig. 7 is the main TV structure schematic diagram during horizontal layout the between burning zone and the heat accumulating sections in the utility model specific embodiment;
Fig. 8 is the main TV structure schematic diagram of heat-storage lead-melting furnace in the prior art;
Fig. 9 is the plan structure schematic diagram of heat-storage lead-melting furnace in the prior art.
Marginal data:
1, pot body; 2, body of heater; 21, heating cavity; 22, flue; 23, in line mouth; 3, partition wall; 4, left heat-accumulation combustion assembly; 5, right heat-accumulation combustion assembly; 41, burning zone; 411, combustion chamber; 412, ever-burning flame device; 413, main gas port; 42, heat accumulating sections; 421, regenerator; 422, heat storage; 423, admission line; 424, heat storage carriage; 6, Ceramic Balls regenerator; 61, main burner; 62, burner kept burning day and night; 63, main coal gas enters spout; 64, regenerator inlet of cold air; 65, ceramic heat-storing sphere.
The specific embodiment
Below with reference to Figure of description and specific embodiment the utility model is described in further details.
Heat-storage lead-melting furnace of the present utility model comprises pot body 1, body of heater 2 and two heat-accumulation combustion assemblies, and body of heater 2 can adopt the rectangle as Fig. 1 and Fig. 2, also can adopt the cylindricality as Fig. 3 and Fig. 4.Pot body 1 is positioned on the body of heater 2, body of heater 2 has only kept the thermal treatment zone of pot body 1, is separated into independently two heating cavities 21 by partition wall 3 in the body of heater 2, is about to high-temperature flue gas turnover section and separates, guarantee that high-temperature flue gas flows enhanced heat exchange around pot body 1 as far as possible in body of heater 2.Each heating cavity 21 is connected with a heat-accumulation combustion assembly by the flue 22 that offers on the body of heater 2, the heat-accumulation combustion assembly is provided with in pairs, be arranged in body of heater 2 homonymies, left and right each one, be respectively left heat-accumulation combustion assembly 4 and right heat-accumulation combustion assembly 5 in the present embodiment, both structures are identical.Each heat-accumulation combustion assembly includes and is used for producing heating with the burning zone 41 of high-temperature gas and be used for providing for burning zone 41 heat accumulating sections 42 of high temperature air, burning zone 41 is positioned at the top of heat accumulating sections 42, and burning zone 41 is communicated with heating cavity 21 by flue 22.In the present embodiment, heat accumulating sections 42 comprises regenerator 421, heat storage 422 and the admission line 423 that is installed in regenerator 421 bottoms, heat storage 422 is installed in the regenerator 421, this moment, gas between the two was for flowing to up and down, heat storage 422 bottoms must have the pallet apparatus that allows air communication to cross to fix, so heat storage 422 is supported in the regenerator 421 by heat storage carriage 424.Because heat accumulating sections 42 is arranged on burning zone 41 belows, heat storage 422 bottoms are in low-temperature space all the time, and this heat storage carriage 424 adopts conventional structure to get final product, and long service life.Be equiped with on the admission line 423 be used for controlling admission line 423 and outside air conducting or with the switching device shifter of body of heater 2 conductings, this switching device shifter is a timing switchover device.It is heat transferring medium that heat storage 422 adopts cellular heat storage to replace heat-storing sphere, helps reducing regenerator 421 volumes.Burning zone 41 comprises combustion chamber 411 and is installed in ever-burning flame device 412 and main gas port 413 on the combustion chamber 411.Down, by timing switchover device, two heat-accumulation combustion assembly accumulation of heats and heat exchange combustion function can be alternate with each other, but are provided with ever-burning flame device 412 in the burning zone 41, should remain fired state in working order.When left heat-accumulation combustion assembly 4 was in the heat exchange fired state, right heat-accumulation combustion assembly 5 was in the accumulation of heat state.At this moment, cold air enters heat accumulating sections 42 from the admission line 423 of left heat-accumulation combustion assembly 4 bottoms, by heat storage 422 heating of high temperature, heating back air themperature is up to more than 800 ℃ and enter the burning zone 41 that is positioned at heat accumulating sections 42 tops, mix with the coal gas that enters from main gas port 413, and by ignite postignition burning of ever-burning flame device 412, formation can be satisfied the high-temperature flue gas that body of heater 2 requires.High-temperature flue gas is used for heating kettle body 1 after flue 22 enters body of heater 2.The high-temperature flue gas that body of heater 2 is discharged enters right heat-accumulation combustion assembly 5 from flue 22, this moment, the main gas port 413 of right heat-accumulation combustion assembly 5 was closed, high-temperature flue gas directly enters the heat storage 422 that heat accumulating sections 42 heating has been cooled, flue-gas temperature after coming out from heat storage 422 is reduced to below 200 ℃, and the flue 22 from heat accumulating sections 42 bottoms effluxes at last.
After after a while, by timing switchover device, left heat-accumulation combustion assembly 4 is converted to the accumulation of heat state from the heat exchange fired state, and right heat-accumulation combustion assembly 5 is converted to the heat exchange fired state from the accumulation of heat state.Gas flow and said process are reverse.No longer explain at this.In like manner, referring to Fig. 5, burning zone 41 also can be positioned at the below of heat accumulating sections 42, and just because heat storage 422 bottoms are in high-temperature region (＞1000 ℃) all the time, heat storage carriage 424 must adopt can long-term resistant to elevated temperatures special construction.
In addition, referring to Fig. 6 and Fig. 7, the utility model further can also be with horizontal layout between burning zone 41 and the heat accumulating sections 42, adopt this kind mode, regenerator 421 is for being horizontally disposed with, heat storage 422 directly is placed on the body of wall of regenerator 421 bottoms, does not need to be provided with heat storage carriage 424, can simplify regenerator 421 structures.
In the present embodiment, offer in line mouth 23 on the body of heater 2, this in line mouth 23 is used for preventing the pressure oscillation of flue gas commutation process, in body of heater 2, can be provided with a little in line mouth, when the furnace pressure in the body of heater 2 fluctuates when excessive, can directly efflux partial fume, guarantee that the burner hearth internal gas pressure is in a basic balance.Under normal circumstances, the casting mold phase of producing and non-productive stage the waiting period only need to adopt and be incubated, for saving energy consumption to greatest extent, can close main gas port 413 and heat accumulating sections 42, only open ever-burning flame device 412, the smoke evacuation of this moment also needs to efflux by the in line mouth 23 of body of heater 2.
Below only be preferred implementation of the present utility model, protection domain of the present utility model also not only is confined to the foregoing description, and all technical schemes that belongs under the utility model thinking all belong to protection domain of the present utility model.Should be pointed out that for those skilled in the art the some improvements and modifications not breaking away under the utility model principle prerequisite should be considered as protection domain of the present utility model.
Claims (6)
1. heat-storage lead-melting furnace, comprise a pot body (1), body of heater (2) and two heat-accumulation combustion assemblies, described pot body (1) is positioned on the body of heater (2), be separated into independently two heating cavities (21) by partition wall (3) in the described body of heater (2), it is characterized in that: described each heating cavity (21) is connected with a heat-accumulation combustion assembly by the flue (22) that offers on the body of heater (2), described heat-accumulation combustion assembly is installed in the outside of body of heater (2), described heat-accumulation combustion assembly comprises and is used for producing heating with the burning zone (41) of high-temperature gas and be used for providing for burning zone (41) heat accumulating sections (42) of high temperature air that described burning zone (41) passes through flue (22) and is communicated with heating cavity (21).
2. heat-storage lead-melting furnace according to claim 1, it is characterized in that: described heat accumulating sections (42) be positioned at burning zone (41) above or below, described heat accumulating sections (42) comprises regenerator (421), heat storage (422) and be installed in admission line (423) on the regenerator (421), described heat storage (422) is installed in the regenerator (421), be equiped with on the described admission line (423) be used for controlling admission line (423) and outside air conducting or with the switching device shifter of body of heater (2) conducting, described heat storage (422) is supported in the regenerator (421) by heat storage carriage (424).
3. heat-storage lead-melting furnace according to claim 1, it is characterized in that: horizontal layout between described burning zone (41) and the heat accumulating sections (42), described heat accumulating sections (42) comprises regenerator (421), heat storage (422) and is installed in admission line (423) on the regenerator (421), described heat storage (422) is installed in the regenerator (421), be equiped with on the described admission line (423) be used for controlling admission line (423) and outside air conducting or with the switching device shifter of body of heater (2) conducting.
4. according to claim 1 or 2 or 3 described heat-storage lead-melting furnaces, it is characterized in that: described burning zone (41) comprises combustion chamber (411) and is installed in ever-burning flame device (412) and main gas port (413) on the combustion chamber (411).
5. according to claim 1 or 2 or 3 described heat-storage lead-melting furnaces, it is characterized in that: offer in line mouth (23) on the described body of heater (2).
6. according to claim 2 or 3 described heat-storage lead-melting furnaces, it is characterized in that: described heat storage (422) adopts cellular heat storage.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202577006U CN201724547U (en) | 2010-07-14 | 2010-07-14 | Heat-accumulation lead melting furnace |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202577006U CN201724547U (en) | 2010-07-14 | 2010-07-14 | Heat-accumulation lead melting furnace |
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| CN201724547U true CN201724547U (en) | 2011-01-26 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2010202577006U Expired - Lifetime CN201724547U (en) | 2010-07-14 | 2010-07-14 | Heat-accumulation lead melting furnace |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871727A (en) * | 2010-07-14 | 2010-10-27 | 中冶长天国际工程有限责任公司 | Heat-storage lead-melting furnace |
| CN102243016A (en) * | 2011-04-22 | 2011-11-16 | 浙江大学 | Reciprocating type porous medium gas burning metal smelting furnace |
| CN102679728A (en) * | 2012-05-18 | 2012-09-19 | 株洲金鼎高端装备有限公司 | Energy-saving environment-friendly type smelting furnace |
| CN103353109A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Alternatively-regenerative cyclone furnace combustion system |
| CN110343869A (en) * | 2019-08-09 | 2019-10-18 | 新乡市华瑞电源材料有限公司 | Communication type is electrolysed market pot and its application method |
-
2010
- 2010-07-14 CN CN2010202577006U patent/CN201724547U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871727A (en) * | 2010-07-14 | 2010-10-27 | 中冶长天国际工程有限责任公司 | Heat-storage lead-melting furnace |
| CN102243016A (en) * | 2011-04-22 | 2011-11-16 | 浙江大学 | Reciprocating type porous medium gas burning metal smelting furnace |
| CN102243016B (en) * | 2011-04-22 | 2013-06-12 | 浙江大学 | Reciprocating type porous medium gas burning metal smelting furnace |
| CN102679728A (en) * | 2012-05-18 | 2012-09-19 | 株洲金鼎高端装备有限公司 | Energy-saving environment-friendly type smelting furnace |
| CN102679728B (en) * | 2012-05-18 | 2014-03-26 | 株洲金鼎高端装备有限公司 | Energy-saving environment-friendly type smelting furnace |
| CN103353109A (en) * | 2012-07-17 | 2013-10-16 | 佛山市广旭节能自动化科技有限公司 | Alternatively-regenerative cyclone furnace combustion system |
| CN110343869A (en) * | 2019-08-09 | 2019-10-18 | 新乡市华瑞电源材料有限公司 | Communication type is electrolysed market pot and its application method |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20110126 Effective date of abandoning: 20130306 |
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| RGAV | Abandon patent right to avoid regrant |