CN206582859U - A kind of air preheater suitable for cement kiln synergic processing house refuse - Google Patents
A kind of air preheater suitable for cement kiln synergic processing house refuse Download PDFInfo
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- CN206582859U CN206582859U CN201720243326.6U CN201720243326U CN206582859U CN 206582859 U CN206582859 U CN 206582859U CN 201720243326 U CN201720243326 U CN 201720243326U CN 206582859 U CN206582859 U CN 206582859U
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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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Abstract
The utility model discloses a kind of air preheater suitable for cement kiln synergic processing house refuse, including high-temperature flue gas air inlet port, low-temperature flue gas outlet port, high-temperature hot air air-out port, low temperature hot air air intake port, low temperature hot air air intake port, cold air air intake port, low temperature hot air air-out port, the expected casing of high temperature sky and low temperature air preheater casing, high-temperature preheater tube bank and shock-wave ash-clearing interface are disposed with the expected casing of high temperature sky, high-temperature preheater tube bank two ends respectively with high-temperature hot air air-out port, low temperature hot air air intake port is connected, low-temperature pre-heater tube bank and shock-wave ash-clearing interface are disposed with the expected casing of low temperature sky, low-temperature pre-heater tube bank two ends respectively with cold air air intake port, low temperature hot air air-out port is connected.The device provided using the utility model can overcome conventional air preheater to change the defect of inconvenience, have the advantages that reduced investment, convenient disassembly, replacement cost are low, be not susceptible to low-temperature corrosion.
Description
Technical field
The utility model is related to comprehensive utilization of resources fixed-end forces field, and in particular to one kind is applied at cement kiln collaboration
Put the air preheater of house refuse.
Background technology
Cement kiln synergic processing house refuse belongs to new fixed-end forces technology, with reduced investment, take up an area it is small, environmental protection it is good,
Bioxin become zero-emission the advantages of.Current mainstream technology route includes sorting disposal and using the direct place being heat-treated with incinerator
Put, because garbage water is high, calorific value is low, ignition temperature is low, combustion instability, for ensure waste of low heating value smoothly
Fire, fully burning and guarantee chamber temperature, incinerator is re-fed into after combustion air palpus is heated.
In view of cement kiln synergic processing house refuse using the particularity of incinerator, it is necessary to utilize 850-950 DEG C of height
Warm flue gas heats normal temperature air as thermal source, and existing smoke air preheater inevitably exists high in heat transfer process
Temperature corrosion and low-temperature corrosion problem, cause incinerator stability and reliability poor, final influence cement kiln synergic processing life
The continuous operation of rubbish.In addition, traditional smoke air preheater uses one-level preheating method, when air preheater heat-exchanging tube bundle hair
Need to change whole tube bank after raw corrosion, there is the inconvenient defect of replacing.
The content of the invention
For above-mentioned problems of the prior art, the utility model provides a kind of suitable for cement kiln synergic processing
The air preheater of house refuse.
The purpose of this utility model can be realized using following technical scheme：
A kind of air preheater suitable for cement kiln synergic processing house refuse, including high-temperature flue gas air inlet port,
Low-temperature flue gas outlet port, high-temperature hot air air-out port, low temperature hot air air intake port, cold air air intake port, Low Temperature Thermal
It is pre- that high temperature is disposed with air air-out port, high temperature air preheater casing and low temperature air preheater casing, the high temperature air preheater casing
Hot device tube bank and shock-wave ash-clearing interface, the two ends of high-temperature preheater tube bank are empty with high-temperature hot air air-out port, Low Temperature Thermal respectively
Gas air intake port is connected, and low-temperature pre-heater tube bank and shock-wave ash-clearing interface are disposed with the low temperature air preheater casing, and low temperature is pre-
The two ends of hot device tube bank are connected with cold air air intake port, low temperature hot air air-out port respectively.
Further, the high-temperature hot air in the high-temperature preheater tube bank uses counter-flow arrangement with high-temperature flue gas heat exchange,
High-temperature hot air air intake port is arranged in high-temperature flue gas low temperature side, and high-temperature hot air air-out port is arranged in high-temperature flue gas high temperature
Side.
Further, the low temperature hot air in the low-temperature pre-heater tube bank uses down current arrangement with high-temperature flue gas heat exchange,
Low temperature hot air air intake port is arranged in fume high-temperature side, and low temperature hot air air-out port is arranged in flue gas low-temperature side.
Further, inspection door gear and high temperature side ash bucket are there also is provided in the high temperature air preheater casing.
Further, inspection door gear and low temperature side ash bucket are there also is provided in the low temperature air preheater casing.
Further, high temperature air preheater casing and low temperature the air preheater casing all uses external thermal insulation mode.
After structure of the present utility model, conventional air preheater can be overcome to change the defect of inconvenience, with investment
Province, convenient disassembly, replacement cost is low, the advantages of be not susceptible to low-temperature corrosion.
Brief description of the drawings
Fig. 1 shows for a kind of structure of air preheater suitable for cement kiln synergic processing house refuse of the utility model
It is intended to.
Fig. 2 is the A-A profiles of Fig. 1 structures.
Description of symbols in figure：1- high-temperature flue gas air inlet ports；2- high temperature air preheater casings；3- high temperature air preheater is restrained；4-
High-temperature hot air air-out port；5- low temperature hot air air intake ports；6- cold air air intake ports；7- shock-wave ash-clearing interfaces；8- is low
Warm air air-out port；9- low temperature air preheater casings；10- low-temperature flue gas outlet ports；11- low-temperature pre-heaters are restrained；12- is low
Warm side ash bucket；13- high temperature side ash buckets；14- checks door gear.
Embodiment
Below in conjunction with drawings and examples to of the present utility model a kind of suitable for cement kiln synergic processing house refuse
Air preheater is described in detail.
A kind of air preheater structural representation suitable for cement kiln synergic processing house refuse of the present embodiment is such as
Shown in Fig. 1, mainly include high-temperature flue gas air inlet port 1, low-temperature flue gas outlet port 10, high-temperature hot air air-out port 4, low temperature
Hot-air air intake port 5, cold air air intake port 6, low temperature hot air air-out port 8, high temperature air preheater casing 2 and low temperature are empty pre-
Device casing 9.Wherein, high-temperature preheater tube bank 3, shock-wave ash-clearing interface 7 are disposed with high temperature air preheater casing 2, door gear is checked
14 and high temperature side ash bucket 13, the two ends of high-temperature preheater tube bank 3 are entered with high-temperature hot air air-out port 4, low temperature hot air respectively
Wind port 5 is connected.Low-temperature pre-heater tube bank 11, shock-wave ash-clearing interface 7 are disposed with low temperature air preheater casing 9, door gear is checked
14 and low temperature side ash bucket 12, the two ends of low-temperature pre-heater tube bank 11 lead to cold air air intake port 6, low temperature hot air air-out respectively
Mouth 8 is connected.High temperature air preheater casing 2 and low temperature air preheater casing 9 all use external thermal insulation mode, its high temperature air preheater casing 2
Outside is using alumina silicate fiber felt thick 200mm, and outermost is iron sheet protection board；The outside of low temperature air preheater casing 9 using 120~
Rock wool blanket thick 150mm, outermost is iron sheet protection board.
High-temperature hot air in high-temperature preheater tube bank 3 uses counter-flow arrangement with high-temperature flue gas heat exchange, and low temperature hot air enters
Wind port 5 is arranged in high-temperature flue gas low temperature side, and high-temperature hot air air-out port 4 is arranged in high-temperature flue gas high temperature side.Low-temperature prewarming
Low temperature hot air in device tube bank 11 uses down current arrangement with high-temperature flue gas heat exchange, and it is high that cold air air intake port 6 is arranged in flue gas
Warm side, low temperature hot air air-out port 8 is arranged in flue gas low-temperature side.
As shown in figure 1, high-temperature preheater tube bank 3 and low-temperature pre-heater tube bank 11 are all U-shape structure, work as air preheater
During work：About 500 DEG C of high-temperature flue gas sequentially passes through high temperature preheating through the air inlet preheating device of high-temperature flue gas air inlet port 1
Device tube bank 3 and low-temperature pre-heater tube bank 11, flue-gas temperature is reduced to 250 DEG C or so, is discharged by low-temperature flue gas outlet port 10, cigarette
The resistance of gas side is about 150Pa；About 20 DEG C of cold air enters low-temperature pre-heater tube bank 11 through cold air air intake port 6, is added
Heat is discharged to 100 DEG C or so by low temperature hot air air-out port 8, then enters high temperature by low temperature hot air air intake port 5
Preheater tube bank 3, is heated to 220 DEG C or so and is discharged by high-temperature hot air air-out port 4, the resistance of air side is about
400Pa；After a period of time is run, have dust product and restrained in high-temperature preheater tube bank 3 and low-temperature pre-heater on 11 surfaces, shadow
The heat transfer effect of speaking pipe beam, now by shock-wave ash-clearing device remove tube bank surface on dust stratification, dust stratification fall after by low temperature
Side ash bucket 12 and the discharge air preheater of high temperature side ash bucket 13.
The utility model can also have other embodiment, all to change, and be replaced or equivalent transformation shape using equal
Into technical scheme, should be included within rights protection scope of the present utility model.
Claims (6)
1. a kind of air preheater suitable for cement kiln synergic processing house refuse, it is characterised in that including high-temperature flue gas
Air inlet port (1), low-temperature flue gas outlet port (10), high-temperature hot air air-out port (4), low temperature hot air air intake port (5),
Cold air air intake port (6), low temperature hot air air-out port (8), high temperature air preheater casing (2) and low temperature air preheater casing (9),
High-temperature preheater tube bank (3) and shock-wave ash-clearing interface (7), high-temperature preheater pipe are disposed with the high temperature air preheater casing (2)
The two ends of beam (3) are connected with high-temperature hot air air-out port (4), low temperature hot air air intake port (5) respectively, and the low temperature is empty pre-
Low-temperature pre-heater tube bank (11) and shock-wave ash-clearing interface (7), the two ends of low-temperature pre-heater tube bank (11) are disposed with device casing (9)
Connected respectively with cold air air intake port (6), low temperature hot air air-out port (8).
2. a kind of air preheater suitable for cement kiln synergic processing house refuse according to claim 1, it is special
Levy and be, the high-temperature hot air in the high-temperature preheater tube bank (3) uses counter-flow arrangement with high-temperature flue gas heat exchange, Low Temperature Thermal is empty
Gas air intake port (5) is arranged in high-temperature flue gas low temperature side, and high-temperature hot air air-out port (4) is arranged in high-temperature flue gas high temperature side.
3. a kind of air preheater suitable for cement kiln synergic processing house refuse according to claim 1 or 2, its
It is characterised by, the low temperature hot air in the low-temperature pre-heater tube bank (11) uses down current arrangement, cold sky with high-temperature flue gas heat exchange
Gas air intake port (6) is arranged in fume high-temperature side, and low temperature hot air air-out port (8) is arranged in flue gas low-temperature side.
4. a kind of air preheater suitable for cement kiln synergic processing house refuse according to claim 1, it is special
Levy and be, inspection door gear (14) and high temperature side ash bucket (13) are there also is provided in the high temperature air preheater casing (2).
5. a kind of air preheater suitable for cement kiln synergic processing house refuse according to claim 1, it is special
Levy and be, inspection door gear (14) and low temperature side ash bucket (12) are there also is provided in the low temperature air preheater casing (9).
6. a kind of air preheater suitable for cement kiln synergic processing house refuse according to claim 1, it is special
Levy and be, the high temperature air preheater casing (2) and low temperature air preheater casing (9) all use external thermal insulation mode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243326.6U CN206582859U (en) | 2017-03-14 | 2017-03-14 | A kind of air preheater suitable for cement kiln synergic processing house refuse |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720243326.6U CN206582859U (en) | 2017-03-14 | 2017-03-14 | A kind of air preheater suitable for cement kiln synergic processing house refuse |
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| CN206582859U true CN206582859U (en) | 2017-10-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720243326.6U Active CN206582859U (en) | 2017-03-14 | 2017-03-14 | A kind of air preheater suitable for cement kiln synergic processing house refuse |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631304A (en) * | 2017-11-03 | 2018-01-26 | 南京凯盛开能环保能源有限公司 | A kind of smoke circulating system suitable for cement kiln synergic processing house refuse |
-
2017
- 2017-03-14 CN CN201720243326.6U patent/CN206582859U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631304A (en) * | 2017-11-03 | 2018-01-26 | 南京凯盛开能环保能源有限公司 | A kind of smoke circulating system suitable for cement kiln synergic processing house refuse |
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