CN202647776U - Vertical waste incineration boiler - Google Patents
Vertical waste incineration boiler Download PDFInfo
- Publication number
- CN202647776U CN202647776U CN 201220133975 CN201220133975U CN202647776U CN 202647776 U CN202647776 U CN 202647776U CN 201220133975 CN201220133975 CN 201220133975 CN 201220133975 U CN201220133975 U CN 201220133975U CN 202647776 U CN202647776 U CN 202647776U
- Authority
- CN
- China
- Prior art keywords
- fire grate
- hearth
- waste incineration
- boiler
- burner hearth
- Prior art date
Links
- 238000004056 waste incineration Methods 0.000 title claims abstract description 13
- 239000002956 ash Substances 0.000 claims abstract description 15
- 206010022000 Influenza Diseases 0.000 claims abstract description 10
- 238000006386 neutralization reactions Methods 0.000 claims abstract description 7
- 239000002893 slag Substances 0.000 claims abstract description 7
- 238000010438 heat treatment Methods 0.000 claims description 13
- 229910000851 Alloy steel Inorganic materials 0.000 claims description 5
- 238000001704 evaporation Methods 0.000 claims description 5
- 239000000463 materials Substances 0.000 claims description 5
- 239000010813 municipal solid wastes Substances 0.000 abstract description 11
- 238000002485 combustion reactions Methods 0.000 abstract description 5
- 229910000831 Steel Inorganic materials 0.000 abstract description 3
- 239000010959 steel Substances 0.000 abstract description 3
- 238000007599 discharging Methods 0.000 abstract 2
- 238000010248 power generation Methods 0.000 abstract 1
- 239000011901 water Substances 0.000 abstract 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N carbon monoxide Chemical compound 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[O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 6
- 239000003546 flue gases Substances 0.000 description 6
- 239000003570 air Substances 0.000 description 5
- 239000010791 domestic waste Substances 0.000 description 5
- 238000004939 coking Methods 0.000 description 4
- 238000005516 engineering processes Methods 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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Abstract
Description
Technical field
The utility model relates to and a kind ofly burns domestic waste and produce the boiler that steam is used for steam supply, generating.
Background technology
Along with the raising of living standards of the people and the quickening of urbanization process, Domestic Refuse sharply increases, and garbage disposal is very urgent.China's house refuse is mainly processed by landfill, compost, three kinds of modes of burning at present.Waste incineration is the most rapidly technology of development in recent years, this kind technology is a kind of high-temperature heat treatment technology, namely in incinerator, carry out the oxidizing fire reaction with certain excess air and house refuse, the at high temperature oxidation of harmful and noxious substance in the house refuse, pyrolysis and destroyed are a kind for the treatment of technologies that can realize simultaneously consumer waste innocent, minimizing, resource.The main purpose of using garbage burning boiler is to make the house refuse of being burned become harmless and subtract to greatest extent appearance, and reduces new pollutant generation as far as possible, avoids causing secondary pollution.In order to burn better the domestic waste of domestic low heat value, high moisture content, ash-rich, therefore developed a kind of vertical waste incineration boiler, impel the timely drying of rubbish and active combustion with this, guarantee that incineration firing is complete, the generation of establishment harmful substance.
Summary of the invention
The purpose of this utility model is to overcome the deficiency that prior art exists, and a kind of the guarantee timely drying of domestic waste of low heat value, high moisture content, ash-rich, a kind of vertical waste incineration boiler that catches fire, burns and burn are provided.
Realize above-mentioned purpose, the utility model adopts following technical scheme, and a kind of vertical waste incineration boiler includes steelframe, burner hearth, drum, fire grate and slags tap and ash discharge equipment, is disposed with burning chamber, three flues and back-end ductwork behind the burner hearth.Burner hearth is installed on the steelframe, drum is installed in the top of burner hearth, fire grate is arranged on the below of burner hearth, slag tap and be arranged on the bottom of fire grate with ash discharge equipment, it is characterized in that: described fire grate is two sections reciprocating fire grates, described lower furnace portion and be positioned on the side wall of two sections reciprocating fire grates top auxiliary burner is installed, mounting points ignition combustor on the rear wall of lower furnace portion, the back-end ductwork outlet directly links to each other with the neutralization reaction tower.
The utility model further arranges: evaporating heating surface, high temperature superheater, medium temperature overheater and low temperature superheater are installed in described three flues, and superheater surface is the single tube coil structures.
The utility model further arranges again: arrange Membrane Economizer in the described back-end ductwork, wherein higher level economizer tube group adopts alloy steel material, and upper two array of pipes of every grade of economizer tube group all adopt thick-walled pipe.
By adopting such scheme, the utlity model has following advantage:
1, adopt two sections reciprocating fire grates, this kind fire grate can make rubbish effectively overturn, stir, and has comparatively ideal burning condition, can realize rubbish completing combustion.Simple backstepping or forwards fire grate are to the stirring of rubbish and stir lessly, the phenomenon that local rubbish is grilled thoroughly, local rubbish does not burn again easily occurs.Two sections reciprocating fire grates that backstepping fire grate and forwards fire grate are combined, can make incineration firing thorough, have adapt to that thermal value range is wide, the Load Regulation ability is large, stable and reliable operation, sufficient combustion, the characteristics such as workable, the domestic waste of China without sorting, low heat value, high moisture content, ash-rich is specially adapted to burn.
2, superheater surface is comprised of coiled pipe, the single tube coil structures, and steam flow rate is very fast, and tube wall temperature is lower, is difficult for coking.
3, the adiabatic front and back arch structure of design takes full advantage of radiant heat rubbish is carried out preheating and drying, simultaneously, arch sprays into Secondary Air in front and back, strengthens the disturbance of flue gas, the fire stroke of prolong smoke, improve the degree of filling of gas stream in the stove, fuel is fully mixed with air, completing combustion, burn.
4, flow through successively burner hearth, burning chamber, three flues and back-end ductwork of the flue gas that produces in the burning of two sections reciprocating fire grates of domestic waste.Flue gas flow is long, and abundant cooled flue gas prevents because coking affects the boiler heat absorption, flue gas through the evaporating heating surface in three flues after, the temperature that enters high temperature superheater has been lower than ash fusion point, can avoid coking on superheater surface.
5, all arrange shock wave soot blower at each heating surface place, can in time remove coking and dust stratification on the heating surface, do not affect the heat transfer of each heating surface.
6, economizer adopts Membrane Economizer, and wherein higher level economizer tube group adopts alloy steel material, and upper two array of pipes of every grade of economizer tube group all adopt thick-walled pipe.Membrane Economizer is compared with the light pipe economizer, can increase the fume side heat exchange area, and augmentation of heat transfer improves caloric receptivity.Structurally, Membrane Economizer is saved the space, can arrange heating surface as much as possible in limited space; For alleviating the ash cutting of heating surface, improve the service life of economizer, higher level's economizer adopts alloy steel material, and upper two array of pipes of every grade of economizer tube group are all used thick-walled pipe.
7, the back-end ductwork outlet directly is connected with the neutralization reaction tower, and the framework and the boiler steelframe that support the neutralization reaction tower are connected as a single entity, and has not only saved steel, has also shortened the flue gas stroke, has saved the place.
Below in conjunction with accompanying drawing the utility model is further described.
Description of drawings
Fig. 1 is the structural representation of the utility model embodiment.
The specific embodiment
As shown in the figure: 1 is two sections reciprocating fire grates, and 2 is steelframe, and 3 for slagging tap and ash discharge equipment, and 4 is auxiliary burner, 5 is start-up burner, and 6 is evaporating heating surface, and 7 is high temperature superheater, and 8 is medium temperature overheater, 9 is low temperature superheater, and 10 is Membrane Economizer, and 11 is burner hearth, 12 is burning chamber, and 13 is three flues, and 14 is back-end ductwork, 15 is the neutralization reaction tower, and 16 is face arch, and 17 is rear arch, 18 is Secondary Air, and 19 is shock wave soot blower, and 20 is drum.
A kind of vertical waste incineration boiler includes steelframe 2, burner hearth 11, drum 20, two sections reciprocating fire grates 1 and slags tap and ash discharge equipment 3, is disposed with burning chamber 12, three flues 13 and back-end ductwork 14 behind the burner hearth 11.Burner hearth 11 is installed on the steelframe 2, at two sections reciprocating fire grates 1 of arranged beneath of burner hearth 11, at the side wall of burner hearth 11 bottoms auxiliary burner 4, mounting points ignition combustor 5 on the rear wall of burner hearth 11 bottoms is installed.Installation is slagged tap and ash discharge equipment 3 below two sections reciprocating fire grates 1.At three flues, 13 interior layout evaporating heating surfaces 6, high temperature superheater 7, medium temperature overheater 8 and low temperature superheater 9, and the heating surface of high temperature superheater 7, medium temperature overheater 8 and low temperature superheater 9 forms the single tube coil structures by coiled pipe.Back-end ductwork 14 is equipped with Membrane Economizer 10, and wherein higher level economizer tube group adopts alloy steel material, and upper two array of pipes of every grade of economizer tube group all adopt thick-walled pipe.Back-end ductwork 14 outlets directly link to each other with neutralization reaction tower 15.Be provided with face arch 16 and rear arch 17 in burner hearth 11 bottoms, in addition, arrange Secondary Air 18 at face arch 16 and rear arch 17 places.All arrange shock wave soot blower 19 at each heating surface place.
Claims (3)
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| CN 201220133975 CN202647776U (en) | 2012-03-31 | 2012-03-31 | Vertical waste incineration boiler |
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| CN 201220133975 CN202647776U (en) | 2012-03-31 | 2012-03-31 | Vertical waste incineration boiler |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471103A (en) * | 2013-09-12 | 2013-12-25 | 伟明环保设备有限公司 | Furnace for combined combustion of methane of garbage leachate and garbage |
| CN104359098A (en) * | 2014-10-09 | 2015-02-18 | 杭州燃油锅炉有限公司 | Three-return-stroke powder heat conduction oil boiler |
| CN104359099A (en) * | 2014-10-09 | 2015-02-18 | 杭州燃油锅炉有限公司 | Three-return-stroke powder steam boiler |
| CN105698186A (en) * | 2016-04-26 | 2016-06-22 | 浙江伟明环保股份有限公司 | Garbage incineration boiler |
-
2012
- 2012-03-31 CN CN 201220133975 patent/CN202647776U/en active IP Right Grant
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103471103A (en) * | 2013-09-12 | 2013-12-25 | 伟明环保设备有限公司 | Furnace for combined combustion of methane of garbage leachate and garbage |
| CN103471103B (en) * | 2013-09-12 | 2015-11-25 | 伟明环保设备有限公司 | A kind of biogas of percolate and the boiler of rubbish mixed combustion |
| CN104359098A (en) * | 2014-10-09 | 2015-02-18 | 杭州燃油锅炉有限公司 | Three-return-stroke powder heat conduction oil boiler |
| CN104359099A (en) * | 2014-10-09 | 2015-02-18 | 杭州燃油锅炉有限公司 | Three-return-stroke powder steam boiler |
| CN105698186A (en) * | 2016-04-26 | 2016-06-22 | 浙江伟明环保股份有限公司 | Garbage incineration boiler |
| CN105698186B (en) * | 2016-04-26 | 2018-03-30 | 浙江伟明环保股份有限公司 | Garbage burning boiler |
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