CN2324418Y - Small-size air-cooled solid waste incinerator - Google Patents
Small-size air-cooled solid waste incinerator Download PDFInfo
- Publication number
- CN2324418Y CN2324418Y CN 98200906 CN98200906U CN2324418Y CN 2324418 Y CN2324418 Y CN 2324418Y CN 98200906 CN98200906 CN 98200906 CN 98200906 U CN98200906 U CN 98200906U CN 2324418 Y CN2324418 Y CN 2324418Y
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- combustion chamber
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- 239000002910 solid waste Substances 0.000 title abstract description 7
- 238000002485 combustion reaction Methods 0.000 claims abstract description 23
- 239000007787 solid Substances 0.000 claims description 13
- 239000000126 substance Substances 0.000 claims description 9
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims description 8
- 239000003546 flue gas Substances 0.000 claims description 8
- 239000010813 municipal solid waste Substances 0.000 claims description 8
- 239000011819 refractory material Substances 0.000 claims description 4
- 239000010419 fine particle Substances 0.000 claims description 3
- 239000012774 insulation material Substances 0.000 claims description 3
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
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- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
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- Incineration Of Waste (AREA)
Abstract
The utility model discloses a small-sized air-cooling solid waste incinerator, which relates to the structure and the incineration treatment technology of a rapid-loading and small-sized incinerator. The utility model structurally adopts a composite bed and an air-cooling structure. Besides, the utility model is provided with a combustion thoroughness chamber for gas organic combustible materials and fine granules. So the utility model not only overcomes the defects that the slag of a normal fixing bed is difficult to exhaust; a normal fixing bed is difficult to continuously operate; the structure of a normal movable bed is complicated; the installation difficulty and the maintenance difficulty of a normal movable bed are large; the reliability of rotary components which are operated in a high temperature zone is poor, etc., but also the utility model can make solid waste with bacterium, toxicity and rich in artificial synthesis organic materials, etc. sufficiently burnt and thoroughly burnt under the condition of high temperature and sufficient oxygen. The utility model can not discharge content which is harmful to human health. The utility model achieves the requirement of environmental protection.
Description
It is the fast-assembling of auxiliary fuel, the structure and the incineration treatment technology thereof of small incinerator with oil or coal gas that the utility model relates to a kind of; Relate in particular to a kind of to containing the discarded object of viral composition, artificial synthetic organic materials, as the solid effluent of Biochemical Research institute, hospital, hotel, restaurant, food factory etc. or the incinerating and treating device of municipal domestic waste.
Be the small incinerator of the processing solid waste of auxiliary fuel with oil or coal gas in the prior art, mainly contain fixed bed, moving bed and three kinds of patterns of spin chamber.Fluidized bed incinerator is owing to the reason of structure and operation is difficult to use on small-sized quick-action furnace.Adopt the small incinerator of fixed bed that advantages such as simple in structure, that operation is easy are arranged, but existence move difficulty continuously, deslagging is inconvenient and the shortcoming of difficult abundant after-flame; Adopt the small incinerator of moving bed to be easy to realize continuous feed and deslagging, but long-time continuous operation, be easy to after-flame than fixed bed, but often owing to realize moving of bed (fuel and ashes) with mobile grate or ladder fire grate, the result causes the incinerator structural complexity to greatly increase, and manufacturing cost rises, and installation, maintenance difficulties increase, and moving component works in the high-temperature region, poor reliability; The small incinerator of employing spin chamber is easy to abundant after-flame, and insensitive to the discarded object composition, but has the problem of the sealing and the high temperature deformation of rotatable parts in mechanism.More than the small incinerator of three kinds of patterns, its pluses and minuses are separately arranged, but all there is a comparatively general problem, promptly become organic matter (as various plastics) and contain the after-flame degree of gaseous combustible composition of discarded object of viral composition not enough for being rich in manual board, even produce some heterocyclic organic matters (organic intermediate product of insufficient generation of promptly burning), these organic matters enter (even very low concentration such as several ppm) behind the atmosphere, have carcinogenic or effect such as mutagenesis to the mankind.In addition, the small incinerator of existing processing solid waste, its furnace wall all do not have cooling system mostly, form but directly build by laying bricks or stones by refractory material and heat-insulating material, its thickness of this furnace wall and weight are all bigger, and often owing to be subjected to the restriction of material thermal resistance energy, temperature is unsuitable too high in the stove.This is for increasing disposal ability, and fully the after-flame gaseous organic substance is very disadvantageous.
The purpose of this utility model and task provide small-sized air-cooled solid trash burner, make it can overcome not easy-to-discharge slag of conventional fixed bed, be difficult to the shortcoming of operation continuously, the defectives such as rotatable parts poor reliability that can solve conventional moving bed complex structure, installation again, maintenance difficulties is big and works in the high-temperature region.Simultaneously can to toxic, carry disease germs or the discarded object of artificial synthetic organic materials carries out innoxious burning and handles, make its not organic principle of emission hazard human health.
The utility model is achieved through the following technical solutions: it mainly comprises feeder, combustion chamber, burner, heat exchanger, deduster, supply air system and lime-ash gathering system, it is characterized in that in the combustion chamber, being provided with multiple-hearth, its underpart is provided with the final stage fire grate, the secondary furnace that connects flammable matter of gaseous organic substance and fine particle behind the combustion chamber, the bottom of secondary furnace is connected with the bottom, combustion chamber.
The furnace wall of above-mentioned combustion chamber and secondary furnace adopts air-cooled structure, and promptly furnace wall air blanketing or employing airduct, refractory material and insulation material constitute; The technical schemes such as spout of arranging burner and a plurality of preheated airs along flue gas flow have also been adopted simultaneously, so that keep sufficiently high temperature in the combustion chamber, thereby discarded object (comprising the various compositions that are difficult for after-flame) is fully burnt and after-flame under high-temperature oxygen-enriched condition.
Accompanying drawing 1 is a structural principle schematic diagram of the present utility model, expresses the useless abandonment of the air-cooled solid thing incinerator that adopts the two-stage multiple-hearth.
Illustrate that now each component names is as follows in the accompanying drawing:
1. feeder 2. one-level burners 3. combustion chambers 4. higher level's multiple-hearths, 5. subordinate's multiple-hearths, 6. secondary burner 7. final stage fixed grates, 8. dreg removing system 9. secondary furnaces, 10. spout 11. insulation materials, 12. air blanketings or airduct 13. refractory materials 14. heat exchangers 15. dedusters 16. chimneys
Describe operation principle of the present utility model, structure and preferred forms in detail below in conjunction with accompanying drawing:
Discarded object is sent into higher level's multiple-hearth 4 in the combustion chamber 3 by feeder 1, and this pool furnace row be made up of the airduct of band blast cap, and be the inclination mode.The spout direction of described blast cap becomes 0 °-90 ° angle with its plane, fire grate place.Discarded object to low end motion, forms mobile bed (also claiming multiple-hearth) from high-end under strength and gravity effect, multiple-hearth should adopt one-level at least.The bed of material is finished preheating, drying, is caught fire and process such as burning under the high temperature action of one-level burner 2.Unburnt thereon solid particle leaks down or fall into subordinate's multiple-hearth 5 from the hole of fire grate low side from multiple-hearth 4, burns away, and high-end and low side higher level's fire grate of subordinate's fire grate is close, and both incline directions are opposite.Discarded object is after multiple- hearth 4 and 5 burnings, and most solid combustibles are after-flame all, and the remaining combustible of seldom measuring falls on the final stage fire grate 7 of bottom, combustion chamber with ashes.The high-temperature region that passage in transit secondary burner 6 produces, with stratiform or the thorough after-flame of local fluidization mode, discharge by dreg removing system 8 by the lime-ash in afterburnt on fire grate 7 for the combustible that makes uncombusted still.Like this, the solid waste that enters combustion chamber 3 from feeding mechanism 1 through the burning of three ballast coverings after, no matter be its inflammable or difficult combustion, fully after-flame.
In the burning process of above-mentioned discarded object, because of be heated, imperfect combustion and cracking meeting generate or discharge the flammable matter of a large amount of gaseous organic substances, these gaseous organic substances are flammable, and the confrontation health is influential; If comprise high polymers such as rubber, plastics in the discarded object, they also can discharge the flammable matter of multiple gaseous organic substance (as furans, dioxin etc.) through cracking repeatedly, these materials have carcinogenic danger to human body, they need be under high temperature, plentiful oxygen and enough time of staying abundant after-flame.For reaching this purpose, the utility model connects the secondary furnace of flammable matter of gaseous organic substance and fine particle after the combustion chamber, and arranges the spout (10) of two or more burners and one or more preheated airs along flue gas flow.From accompanying drawing as can be seen, from the flammable matter of gaseous organic substance of multiple- hearth 4,5 in combustion chamber 3 fire burns, unburnt part flows into secondary furnace 9 with flue gas, is subjected to the flame heat of secondary burner 6 in the way, to keep sufficiently high temperature.The preheated air of fire grate 7 and spout 10 ejections has guaranteed high temperature and the excess oxygen in the secondary furnace.3 to the longer flow process of secondary furnace 9 outlets and lower flue gas flow rate from the combustion chamber, has guaranteed that the flammable matter of gaseous organic substance has enough time of staying in high-temperature oxygen-enriched zone, to guarantee its sufficient after-flame.
Furnace wall adopts air-cooled structure, and promptly furnace wall is made up of three parts: be air blanketing or airduct 12 promptly, its inboard is a refractory masses 13, and outside layer is a heat-insulation layer 11.Like this; furnace wall had both adequately protected; again fully to the environment thermal insulation; can make and keep sufficiently high temperature in combustion chamber and the secondary furnace; the exit of secondary furnace 9 is provided with heat exchanger 14; be used on the one hand heat recovery, on the other hand also for flue-gas temperature being reduced to deduster 15 and the working range that allows of air-introduced machine thereafter.The solid particle (dust) that contains in the flue gas of heat exchanger 14 outlets is delivered in the lime-ash gathering system 8 after deduster 15 separates.The not ash-laden gas of discharging from deduster enters atmosphere from chimney 16 behind air-introduced machine or directly.
The utility model compared with prior art has the following advantages and beneficial effect: the utility model because Adopted a kind of fixed bed between routine and the multiple-hearth between the moving bed on the structure, namely fixed grate moves Bed, both overcome conventional fixed bed not easy-to-discharge slag, be difficult to the continuously shortcoming of operation, solved again conventional movement The problems such as rotatable parts poor reliability that bed structure complexity, installation and maintenance difficulty be big, work in the high-temperature region. Simultaneously Furnace wall adopts air-cooled structure, has not only protected furnace wall, again fully to the environment thermal insulation, can make in the combustion chamber and keep Sufficiently high temperature; In addition, air-cooled structure has also alleviated furnace wall weight, and has strengthened intensity and the rigidity of body of heater, Can improve the equipment reliability of operation, reduce maintenance workload. Except These characteristics, of the present utility model in addition One important feature be can make carry disease germs, the poisonous and solid waste that is rich in artificial synthetic organic materials etc. is high-temperature oxygen-enriched Fully burn and after-flame under the condition, do not discharge the organic intermediate products that human body is had damaging effect, thereby reach ring Guaranteed request.
Claims (6)
1. small-sized air-cooled solid trash burner, it mainly comprises feeder (1), combustion chamber (3), burner (2), heat exchanger (14), deduster (15), supply air system and lime-ash gathering system (8), it is characterized in that in the combustion chamber, being provided with multiple-hearth, its underpart is provided with final stage fire grate (7), the secondary furnace (9) that connects flammable matter of gaseous organic substance and fine particle behind the combustion chamber, the bottom of secondary furnace is connected with the bottom, combustion chamber.
2. according to the described a kind of small-sized air-cooled solid trash burner of claim 1, the furnace wall that it is characterized in that combustion chamber (3) and secondary furnace (9) adopts air-cooled structure, and promptly furnace wall adopts air blanketing or airduct (12), refractory material (13) and insulation material (11) three parts to constitute.
3. according to claim 1 or 2 described a kind of small-sized air-cooled solid trash burners, it is characterized in that above-mentioned multiple-hearth adopts one-level at least, this pool furnace row is tilting.
4. according to the described a kind of small-sized air-cooled solid trash burner of claim 3, it is characterized in that arranging two or more burners (2), (6) along flue gas flow.
5. want 4 described a kind of small-sized air-cooled solid trash burners according to right, it is characterized in that being provided with the spout (10) of one or more preheated airs along flue gas flow.
6. according to the described a kind of small-sized air-cooled solid trash burner of claim 5, it is characterized in that above-mentioned multiple-hearth fire grate is provided with blast cap, the spout direction of its blast cap becomes 0 °-90 ° angle with plane, fire grate place.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200906 CN2324418Y (en) | 1998-01-23 | 1998-01-23 | Small-size air-cooled solid waste incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98200906 CN2324418Y (en) | 1998-01-23 | 1998-01-23 | Small-size air-cooled solid waste incinerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2324418Y true CN2324418Y (en) | 1999-06-16 |
Family
ID=33958328
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98200906 Expired - Lifetime CN2324418Y (en) | 1998-01-23 | 1998-01-23 | Small-size air-cooled solid waste incinerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2324418Y (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425785A (en) * | 2011-10-28 | 2012-04-25 | 清华大学 | Biomass combustion equipment with double fire grates |
| CN105066134A (en) * | 2015-09-08 | 2015-11-18 | 广西秀美壮乡能源环保有限公司 | Garbage incinerator |
| CN109373323A (en) * | 2018-10-15 | 2019-02-22 | 芦溪县鸿宇环保科技有限公司 | Integrated garbage disposal reforming unit |
-
1998
- 1998-01-23 CN CN 98200906 patent/CN2324418Y/en not_active Expired - Lifetime
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102425785A (en) * | 2011-10-28 | 2012-04-25 | 清华大学 | Biomass combustion equipment with double fire grates |
| CN102425785B (en) * | 2011-10-28 | 2014-02-19 | 清华大学 | Biomass combustion equipment with double fire grates |
| CN105066134A (en) * | 2015-09-08 | 2015-11-18 | 广西秀美壮乡能源环保有限公司 | Garbage incinerator |
| CN109373323A (en) * | 2018-10-15 | 2019-02-22 | 芦溪县鸿宇环保科技有限公司 | Integrated garbage disposal reforming unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |