CN208520219U - Kiln air inlet cooling and heat energy recycling system - Google Patents
Kiln air inlet cooling and heat energy recycling system Download PDFInfo
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- CN208520219U CN208520219U CN201821021160.4U CN201821021160U CN208520219U CN 208520219 U CN208520219 U CN 208520219U CN 201821021160 U CN201821021160 U CN 201821021160U CN 208520219 U CN208520219 U CN 208520219U
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- air inlet
- heat
- cooling
- cooling area
- area
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- 238000001816 cooling Methods 0.000 title claims abstract description 55
- 238000004064 recycling Methods 0.000 title claims abstract description 27
- 239000007789 gas Substances 0.000 claims abstract description 28
- 238000004321 preservation Methods 0.000 claims abstract description 20
- 239000002918 waste heat Substances 0.000 claims abstract description 17
- 238000010438 heat treatment Methods 0.000 claims abstract description 13
- 238000010992 reflux Methods 0.000 claims description 2
- 239000000463 material Substances 0.000 abstract description 7
- 238000005245 sintering Methods 0.000 abstract description 4
- 239000000112 cooling gas Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 description 6
- 239000010410 layer Substances 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 description 2
- 239000011229 interlayer Substances 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 description 1
- 239000000919 ceramic Substances 0.000 description 1
- 230000004087 circulation Effects 0.000 description 1
- 235000019628 coolness Nutrition 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 239000002305 electric material Substances 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910052744 lithium Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
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- Furnace Details (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
The present utility model discloses a kind of kiln air inlet cooling and heat reclaiming system, is successively arranged heating zone, heat preservation zone and cooling area from burner.Kiln discharge end is cooling area, and cooling area is double layer jacket structure.It is provided with inlet manifold above cooling area, several gas path pipes are set between inlet manifold and cooling area, and admission line is connected with cooling area double layer jacket structure, and cooling gas is emitted directly toward collet inner sidewall.In cooling area, double-jacket is provided with gas outlet, and gas outlet is connected with waste heat recycling general pipeline, draws several return pipes from waste heat recycling general pipeline and leads to furnace heating-up area and heat preservation zone.The utility model effectively utilizes furnace tail waste heat, good effect of heat exchange, while entering the gas preheating of furnace heating-up area and heat preservation zone, improves the temperature uniformity of material sintering, is suitble to be widely applied.
Description
Technical field
The utility model relates to kiln air inlet cooling and heat energy recycling systems, are suitable for roller kilns, pushed bat kiln etc..
Background technique
Continous way Developing Electkonic Industrial Kilns have a wide range of applications in industries such as electronic ceramics, powder body materials at present, this work
Industry kiln is generally provided with heating zone, heat preservation zone, cooling area.Major part is designed to two column of bilayer or the double-deck four column saggars, has
Even three layers or more, and using the ventilating mode of bottom, side wall or a combination of both.Not preheated gas temperature is lower, enters
It can cause thermal perturbation after furnace chamber, cause upper and lower level, left and right alms bowl material sintering degree difference big.Kiln collet cooling area is logical simultaneously
Installation air-introduced machine at the top of furnace tail, high-temperature gas cooling in passive suction chamber in collet are crossed, waste heat is exhausted directly in atmospheric environment, makes
It is wasted at thermal energy;Gas is negative pressure state in collet, and heat exchange efficiency is low;Top installs blower additional, wastes additional power, and energy consumption is high.
Have that some schemes attempt cooling to kiln and heat reclaiming system is improved in presently disclosed patent document.
CN205332788 U discloses a kind of lithium electric material kiln with novel cooling device, is fixedly connected with drop in kiln main body
Warm device, cooling device include the water tank in preheating section, bringing-up section and temperature descending section two sides, and are located at temperature descending section top and and kiln
The identical air draft equipment of furnace main body.Using with the biggish water tank of kiln theme contact area, and match with air draft equipment into
Row residual heat collection and cooling.The patent can effectively cool down and carry out residual heat collection, but the excessively complicated needs of device were installed
More water tank coolings.Meanwhile the normal process that air intake device is also easy to cause in kiln theme brings disturbance with gas, influences material burning
Tie uniformity.Patent CN205002593 U discloses a kind of safe roller furnace of thermal energy height recycling, and the discharge end of furnace body is provided with fastly
Fast cooling section, interior rapid chilling section is double-layer structure, is provided with air-cooled pipeline, air-cooled pipeline and drum in the interlayer of rapid chilling section
Blower be connected, the interlayer space of rapid chilling section also connect with radiator pipeline, radiator setting in heat recovery area and with
General pipeline is recycled to be connected.Result is more complex inside the patent cooling section, leads to higher cost.
Utility model content
To solve the above problems, the purpose of this utility model is to provide a kind of kiln air inlet cooling and heat energy recycles
System is suitable for roller kilns, pushed bat kiln etc..The system is lower by temperature, is emitted directly toward more than the technique of an atmospheric pressure with gas
Burner hearth cooling area collet inner sidewall carries out forced heat-exchanging, and the gas after preheating draws collet through piping, respectively will be by kiln bottom
The air inlet of portion and side wall squeezes into furnace chamber.
To realize above-mentioned technical purpose and the technique effect, the utility model is achieved through the following technical solutions:
A kind of kiln air inlet cooling and heat energy recycling system, including heating zone (1), heat preservation zone (2) and cooling area
(3), wherein the cooling area (3) are provided with double-jacket (301);Inlet manifold is provided with above the cooling area (3)
(302), it is arranged between inlet manifold (302) and cooling area (3) several admission lines (303), admission line (303) and described double
Layer collet (301) is connected;It is provided on double-jacket (301) gas outlet (304), gas outlet (304) and waste heat recycle general pipeline
(305) it is connected;Several return pipes (306), which are drawn, from waste heat recycling general pipeline (305) leads to heating zone (1) and heat preservation zone (2).
Further, the inlet manifold (302) is parallel with furnace body direction.
Further, the double-jacket (301) of the cooling area (3) is four sides heat exchange mode up and down.
Further, the admission line (303) and the inner sidewall vertical direction of double-jacket (301) are at 45 °.
Further, the gas outlet (304) is set to the position on the downside of double-jacket (301) close to heat preservation zone (2).
Further, waste heat recycling general pipeline (305) is distributed in including on the outside of heating zone (1) and the furnace body of heat preservation zone (2).
Further, the return pipe (306) leads to the bottom in furnace heating-up area (1) and heat preservation zone (2).
Further, air intake valve and gas flowmeter are provided on return pipe (306).
Further, the gas for being passed through inlet manifold (302) is liquid oxygen, liquid nitrogen or compressed air.
Technical solution disclosed in the utility model effectively utilizes air inlet and cools down to cooling area, good effect of heat exchange, structure
It is simple and direct reliable;Furnace tail waste heat is made full use of simultaneously, for the gas after heat exchange as technique gas, the temperature for improving material sintering is equal
Even property is suitble to wide popularization and application.
Detailed description of the invention
Fig. 1 is a kind of kiln air inlet cooling and the structural representation of heat energy recycling system disclosed in the utility model
Figure.
Fig. 2 is the sectional view of cooling area.
Each label is respectively as follows: in figure
1 heating zone
2 heat preservation zones
3 cooling areas
301 double-jackets, 302 inlet manifolds, 303 admission lines, 304 gas outlets, 305 waste heats recycling general pipeline, 306 reflux
Pipe.
Specific embodiment
It is practical to this below in conjunction with attached drawing and specific embodiment to keep the creation point of the utility model more very clear
It is novel to be further elaborated.
As shown in Figure 1, a kind of kiln air inlet cooling and heat energy recycling system, including heating zone (1), heat preservation zone (2)
With cooling area (3), wherein the cooling area (3) are provided with double-jacket (301);Two are provided with above the cooling area (3)
A inlet manifold (302), it is parallel with furnace body direction, and it is symmetrically distributed in the two sides above cooling area (3) furnace body.Inlet manifold
(302) it is arranged between cooling area (3) several admission lines (303), admission line (303) is connected with double-jacket (301), and
It is at 45 ° with the inner sidewall vertical direction of double-jacket (301).
Position on the downside of cooling area (3) double-jacket (301) close to heat preservation zone (2) is provided with gas outlet (304), outlet
Mouth (304) is connected with waste heat recycling general pipeline (305);Waste heat recycling general pipeline (305) is distributed in including heating zone (1) and heat preservation zone
(2) on the outside of furnace body;Several return pipes (306), which are drawn, from waste heat recycling general pipeline (305) leads to heating zone (1) and heat preservation zone (2)
Bottom.Air intake valve and gas flowmeter are provided on return pipe (306).
In actual production, the liquid oxygen after decompression is dropped by inlet manifold (302), inlet manifold (302) to kiln
Several admission lines (303) are arranged in warm area (3), and the cold air higher than an atmospheric pressure is directly over admission line (303) directive institute
On the double-jacket inner sidewall for stating cooling area (3), force to carry out heat exchange.Gas after heat exchange gas outlet (304) into
Enter waste heat recycling general pipeline (305), technique gas draws several return pipes (306) in waste heat recycling general pipeline (305) and leads to heating zone
(1) and the bottom of heat preservation zone (2).By these circulations, fast cooling effectively not only is carried out to the material come out of the stove, after being heated
Gas enter waste heat general pipeline recycling, reduce heat-energy losses, also avoid being directly entered kiln because of cold air to caused by the sintering of material
The occurrence of uneven.
The utility model is not limited to above-mentioned specific embodiment, and unless specifically stated, the utility model expands to
Any new combination disclosed in any this specification.
Claims (8)
1. a kind of kiln air inlet cooling and heat energy recycling system, including heating zone (1), heat preservation zone (2) and cooling area (3),
It is characterized in that the cooling area (3) is provided with double-jacket (301);Inlet manifold is provided with above the cooling area (3)
(302), it is arranged between inlet manifold (302) and cooling area (3) several admission lines (303), admission line (303) and described double
Layer collet (301) is connected;It is provided on double-jacket (301) gas outlet (304), gas outlet (304) and waste heat recycle general pipeline
(305) it is connected;Several return pipes (306), which are drawn, from waste heat recycling general pipeline (305) leads to heating zone (1) and heat preservation zone (2).
2. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the air inlet is total
It is parallel with furnace body direction to manage (302).
3. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the cooling area
(3) double-jacket (301) is four sides heat exchange mode up and down.
4. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the air inlet pipe
Road (303) and the inner sidewall vertical direction of double-jacket (301) are at 45 °.
5. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the gas outlet
(304) it is set to the position on the downside of double-jacket (301) close to heat preservation zone (2).
6. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the waste heat returns
General pipeline (305) are received to be distributed in including on the outside of heating zone (1) and the furnace body of heat preservation zone (2).
7. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that the return pipe
(306) lead to the bottom in furnace heating-up area (1) and heat preservation zone (2).
8. kiln air inlet cooling according to claim 1 and heat energy recycling system, which is characterized in that in the reflux
Air intake valve and gas flowmeter are provided on pipe (306).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201821021160.4U CN208520219U (en) | 2018-06-29 | 2018-06-29 | Kiln air inlet cooling and heat energy recycling system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821021160.4U CN208520219U (en) | 2018-06-29 | 2018-06-29 | Kiln air inlet cooling and heat energy recycling system |
Publications (1)
Publication Number | Publication Date |
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CN208520219U true CN208520219U (en) | 2019-02-19 |
Family
ID=65336354
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CN201821021160.4U Active CN208520219U (en) | 2018-06-29 | 2018-06-29 | Kiln air inlet cooling and heat energy recycling system |
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CN (1) | CN208520219U (en) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112957883A (en) * | 2021-02-09 | 2021-06-15 | 湖南杉杉能源科技股份有限公司 | Tail gas recovery system of kiln |
CN113823764A (en) * | 2021-09-29 | 2021-12-21 | 北京当升材料科技股份有限公司 | Roller kiln for sintering anode material, multi-element anode material and preparation method thereof |
CN114659360A (en) * | 2022-02-22 | 2022-06-24 | 广东邦普循环科技有限公司 | Sintering system for improving temperature uniformity |
-
2018
- 2018-06-29 CN CN201821021160.4U patent/CN208520219U/en active Active
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN112957883A (en) * | 2021-02-09 | 2021-06-15 | 湖南杉杉能源科技股份有限公司 | Tail gas recovery system of kiln |
CN113823764A (en) * | 2021-09-29 | 2021-12-21 | 北京当升材料科技股份有限公司 | Roller kiln for sintering anode material, multi-element anode material and preparation method thereof |
CN114659360A (en) * | 2022-02-22 | 2022-06-24 | 广东邦普循环科技有限公司 | Sintering system for improving temperature uniformity |
CN114659360B (en) * | 2022-02-22 | 2024-03-12 | 广东邦普循环科技有限公司 | Sintering system with improved temperature uniformity |
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