CN101986035A - Hearth of household garbage incinerator - Google Patents
Hearth of household garbage incinerator Download PDFInfo
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- CN101986035A CN101986035A CN 201010582861 CN201010582861A CN101986035A CN 101986035 A CN101986035 A CN 101986035A CN 201010582861 CN201010582861 CN 201010582861 CN 201010582861 A CN201010582861 A CN 201010582861A CN 101986035 A CN101986035 A CN 101986035A
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- 239000010813 municipal solid waste Substances 0.000 title abstract description 23
- 238000005192 partition Methods 0.000 claims abstract description 79
- 238000002485 combustion reaction Methods 0.000 claims abstract description 29
- 238000010304 firing Methods 0.000 claims description 40
- 230000009977 dual effect Effects 0.000 claims description 39
- 239000000428 dust Substances 0.000 claims description 34
- 238000004056 waste incineration Methods 0.000 claims description 22
- 239000010791 domestic waste Substances 0.000 claims description 19
- 239000011449 brick Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 8
- 229920000742 Cotton Polymers 0.000 claims description 4
- 230000015572 biosynthetic process Effects 0.000 claims description 4
- 238000004321 preservation Methods 0.000 claims description 4
- 230000007246 mechanism Effects 0.000 abstract description 22
- 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 abstract description 12
- 229910052799 carbon Inorganic materials 0.000 abstract description 7
- 229910002091 carbon monoxide Inorganic materials 0.000 abstract description 4
- 239000000126 substance Substances 0.000 abstract description 3
- 230000014759 maintenance of location Effects 0.000 abstract 1
- 239000002956 ash Substances 0.000 description 52
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 46
- 239000003546 flue gas Substances 0.000 description 46
- 230000000694 effects Effects 0.000 description 8
- 238000000034 method Methods 0.000 description 8
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 5
- 238000001914 filtration Methods 0.000 description 5
- 229910052760 oxygen Inorganic materials 0.000 description 5
- 239000001301 oxygen Substances 0.000 description 5
- MVPPADPHJFYWMZ-UHFFFAOYSA-N chlorobenzene Chemical compound ClC1=CC=CC=C1 MVPPADPHJFYWMZ-UHFFFAOYSA-N 0.000 description 4
- 235000019504 cigarettes Nutrition 0.000 description 4
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
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- 239000002243 precursor Substances 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000002918 waste heat Substances 0.000 description 3
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
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- 238000010438 heat treatment Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000006386 neutralization reaction Methods 0.000 description 2
- IZUPBVBPLAPZRR-UHFFFAOYSA-N pentachlorophenol Chemical compound OC1=C(Cl)C(Cl)=C(Cl)C(Cl)=C1Cl IZUPBVBPLAPZRR-UHFFFAOYSA-N 0.000 description 2
- 230000000505 pernicious effect Effects 0.000 description 2
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- 239000000779 smoke Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- LAXBNTIAOJWAOP-UHFFFAOYSA-N 2-chlorobiphenyl Chemical group ClC1=CC=CC=C1C1=CC=CC=C1 LAXBNTIAOJWAOP-UHFFFAOYSA-N 0.000 description 1
- ISPYQTSUDJAMAB-UHFFFAOYSA-N 2-chlorophenol Chemical compound OC1=CC=CC=C1Cl ISPYQTSUDJAMAB-UHFFFAOYSA-N 0.000 description 1
- 206010003694 Atrophy Diseases 0.000 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 208000001348 Chloracne Diseases 0.000 description 1
- 235000019738 Limestone Nutrition 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
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Abstract
The invention discloses a hearth of a household garbage incinerator. The key points of the invention are as follows: the hearth comprises a front main wall, a rear main wall, a left arch crown, a left side wall, a main arch crown, a right side wall, an internal slope arch crown, an internal main partition wall, a left oblique partition wall and a right oblique partition wall, wherein, the left side wall is arranged between the left arch crown and the main arch crown and between the front main wall and the rear main wall; the middle part of the left side wall is equipped with a secondary air opening, and the secondary air opening is arranged slantwise from the upper side of a left rear part to the lower side of a right front part; a space among the front main wall, the rear main wall, the left arch crown, the internal slope arch crown and a combined fire grate mechanism forms a main combustion chamber; a space among the front main wall, the rear main wall, the left side wall, the main arch crown, the internal main partition wall, the left oblique partition wall, the right oblique partition wall and the right side wall forms a second combustion chamber; a space among the front main wall, the rear main wall, the left side wall, the main arch crown and the internal main partition wall forms a vortex area of the second combustion chamber; and a space among the front main wall, the rear main wall, the main arch crown, the left oblique partition wall, the right oblique partition wall and the right side wall forms a retention area of the second combustion chamber. By adopting the hearth, household garbage can be fully burned, dioxin and other harmful substances can be thoroughly decomposed at high temperature, and CO, C<+> and the like can be thoroughly burned out at high temperature.
Description
Technical field
The present invention relates to domestic waste incineration, particularly a kind of hearth body of domestic waste incineration.
Background technology
Present innoxious, the minimizing of domestic waste, the recycling treatment focus that become the country and the common people to pay close attention to.The mode of domestic rubbish disposal minimizing maximum is to burn at present, but loads in mixture shape owing to China's house refuse is, composition complexity in the house refuse, and the flue gas that the burning back produces can cause serious secondary pollution as not adding effective control.Endanger maximum Shi bioxin in the flue gas at present.Bioxin (Dioxin) full name is: Duo chlorodiphenyl Bing bioxin polychlorinated dibenzo-p-dioxin(is called for short PCDDs) and polychlorinated dibenzo polychlorinated dibenzofuran(abbreviation PCDFs), be the extremely strong special organic compound of a kind of toxicity.Bioxin is the representative of environment incretion interferent, and they can disturb the endocrine of body, produces health effect widely; Bioxin has tangible immunotoxicity, can cause animal thymus atrophy, cellular immunity and humoral immune function reduction etc.; Bioxin can also cause skin lesion, the generation that can be observed skin transition angling, pigmentation and chloracne etc. the animal used as test that exposes and crowd; Bioxin 2,3,7,8-TCDD has extremely strong carcinogenicity to animal.
Dioxin has two characteristics, the stability of first molecular structure, and ， dioxin molecular structure quite stable below 705 ℃ the time is higher than this temperature and promptly begins to decompose; It two is easily synthetic property, He Cheng dioxin very easily once more when containing compound such as chlorobenzene, chlorophenol and temperature at 300-500 ℃ in the flue gas.
The consumer waste incineration generation of dioxin mainly is derived from three links at present: before burning, in the burning, after the burning.
Before the burning: itself contain micro-De bioxin in the house refuse, when high-temp combustion because bioxin has heat endurance, although big portion is decomposed, when burning condition is insufficient, can not fully decompose, still can some after burning, emit, enter atmosphere with flue gas.
In the burning: in combustion process, generate bioxin by chloride precursor, precursor comprises polyvinyl chloride, chlorobenzene, pentachlorophenol etc., the precursor molecule can generate bioxin by processes such as rearrangement, free radical condensation, dechlorination or other molecular reactions in burning, meeting is insufficient because of burning, temperature is low, short can not the decomposition fully of time, thereby enters atmosphere with flue gas.
Burn the back: synthetic again in handling, discharge at flue gas, decomposed dioxin and produce in combustion process some Yu the ring-type predecessor (chlorination aromatic hydrocarbon) of dioxin structural similarity, when flue gas slowly is cooled to 300 ℃-500 ℃, heterogeneous catalytic reaction He Cheng dioxin intermediate product Huo dioxin can take place on solid flying dust surface, with non-volatile metal and its esters multiple reaction takes place on the flying dust surface perhaps, generate the surface-active chloride, the organic reaction of the multiple complexity of process generates once more at last and is adsorbed on the lip-deep bioxin of fly ash granule again.
Chinese patent literature CN201184597Y discloses a kind of waste incineration treatment apparatus of realizing dioxin and dust zero discharge, this device comprises rubbish warehouse, incinerator, waste heat boiler, the exhaust-heat boiler flue gas outlet is directly heated the rubbish in the rubbish warehouse by air-introduced machine, flue gas distributor box, electrically operated valve, base plate air admission hole, make its fermentation, dehydration: flue gas is when heating rubbish, and rubbish plays a role in filtering to flue gas again; Loop exit links to each other with secondary air system in loop exit and the warehouse blast pipe in the top of rubbish warehouse is provided with the warehouse flue gas, warehouse flue gas; The warehouse blast pipe is connected with deduster by stalk ash, pulverized limestone entrance, is provided with clean gas outlet above deduster; This utility model need not be carried out preliminary treatment to municipal refuse, and the entire process process is gone round and begun again and circulated in internal system.The document has also been described municipal refuse and burned the flue gas that produces in incinerator, flue gas through waste heat boiler heat absorption back discharge, under the traction of air-introduced machine, directly send in the flue gas distributor box that is arranged on below the rubbish warehouse by flue, the flue gas distributor box is provided with several electrically operated valves and cuts off with the flue gas of rubbish warehouse floor below respectively and is connected, electrically operated valve is electrically connected by lead and automatic control unit, automatic control unit is electrically connected by power switch and power supply, electrically operated valve is the program rhythmical folding under the control of automatic control unit that configures according to the people, and flue gas is evenly heated rubbish by the zones of different that the base plate air admission hole on the warehouse base plate is blown in the rubbish warehouse according to certain rules; The flue gas that incineration firing produces is when heating rubbish, and rubbish plays a role in filtering to flue gas again, and harmful substances such as the bioxin that flue gas contains, dust, heavy metal are fallen by rubbish filtering.
This shows that this incinerator burns the flue gas that produces and only with regard to being transferred back the rubbish warehouse again the rubbish in the rubbish warehouse heated without other any processing through waste heat boiler heat absorption back.At first rubbish itself does not have filtering function, does not have the effect of filtering bioxin, and as untimely processing, going round and beginning again so only can make internal system De bioxin content more and more higher in the internal system circulation, forms vicious circle; Dust in flue gas that next is filtered and heavy metal time have been grown not only and can stop up the base plate air admission hole, and dust in flue gas and heavy metal also can be along with rubbish is admitted to incinerator once more, so only can facilitate the generation of bioxin, produce more substantial bioxin.
Summary of the invention
The object of the present invention is to provide a kind of bioxin and other nuisance of in burning process, impelling thoroughly by pyrolytic, CO, C
+Hearth body Deng the domestic waste incineration that is thoroughly burnt by high temperature.
The basic technical scheme of realizing the object of the invention is: its design feature of the hearth body of a kind of domestic waste incineration of the present invention is: main wall, left vault, left side wall, main arch top, right-side wall, interior slope vault, interior main partition wall, the oblique partition wall in a left side and right tiltedly partition wall before and after hearth body comprises.Preceding main wall is seated on the front stall of furnace base, and back main wall is seated on the back seat of furnace base, and front and back main wall left part is short portion.Left side vault is arranged between short top, main wall left side, front and back; Left side vault forms charging aperture between the top of the left end shrouding of front and back main wall and furnace base.The main arch top is arranged between the main wall top, front and back.The left side wall is arranged between left vault and the main arch top and between the main wall of front and back, and the middle part of left side wall is provided with secondary wind air port, and secondary wind air port is obliquely installed from left rear to right front.Right-side wall top and middle part between the main wall of front and back and top and main arch top link to each other, the bottom is seated on the right-hand member on basis, and between the front stall and back seat of furnace base; Have the door opening that communicates with hearth body inside in the middle of the bottom of right-side wall, on the wall of door opening access door is housed.Interior slope vault is obliquely installed between the main wall of front and back and right-hand member links to each other with right-side wall to the lower right.In being arranged on straight up, interior main partition wall links to each other above the slope vault left side and with the front and back main wall.The oblique partition wall in a left side is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on and left end links to each other with interior main partition wall top, and a left side tiltedly partition wall is obliquely installed to the lower right.Right tiltedly partition wall is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on, and its right-hand member links to each other with the right-side wall middle part is inboard, right tiltedly partition wall square neck to left down tiltedly is provided with, and its left end links to each other with the right-hand member of the oblique partition wall in a left side, and is provided with dual firing chamber's ash hole in the middle of the junction.The middle part of the fore-and-aft direction that is positioned at right tiltedly partition wall top of right-side wall is provided with outlet flue.The middle part of the fore-and-aft direction between oblique partition wall in the right side and interior slope vault of right-side wall is provided with ash removing opening.Hearth body also comprises main combustion chamber and dual firing chamber.Dual firing chamber comprises vortex district and stacking area.Space between described front and back main wall, left vault, interior slope vault and the combined type grate body forms main combustion chamber.Described front and back main wall, left side wall, main arch top, interior main partition wall, a left side tiltedly space between partition wall, right tiltedly partition wall and the right-side wall form dual firing chamber.And the space between front and back main wall, left side wall, main arch top and the interior main partition wall forms the vortex district of dual firing chamber, and the space between front and back main wall, main arch top, the oblique partition wall in a left side, right tiltedly partition wall and the right-side wall forms the stacking area of dual firing chamber.
Further technical scheme based on above-mentioned basic technical scheme is: described hearth body also comprises the dust barricade.The dust barricade is arranged on the main arch top and a left side tiltedly links to each other between the partition wall and with the front and back main wall, and the below is provided with exhaust gases passes.The part in the left side that is positioned at the dust barricade of the stacking area of dual firing chamber is first stacking area, and the part on the right side that is positioned at the dust barricade of the stacking area of dual firing chamber is second stacking area.
Front and back main wall in the above-mentioned further technical scheme, interior slope vault, interior main partition wall, a left side tiltedly space between partition wall, right tiltedly partition wall and the right-side wall form air buffer.
Technical scheme based on above-mentioned each appropriate technical solution also has: the body of wall of the front and back main wall of hearth body, left vault, left side wall, main arch top, right-side wall all is made up of refractory brick, insulating brick and heat-preservation cotton from inside to outside successively.
The present invention has positive effect: the hearth body of (1) domestic waste incineration of the present invention can make house refuse keep 900 ℃ to 1300 ℃ high temperature in the main combustion chamber of the hearth body of domestic waste incineration, can carry out stable naked light burning continuously when using, finish the burning to house refuse under the situation of not adding fuel combustion supporting.(2) the secondary wind that blasts of the secondary wind air port on the top, eddy combustion district of the dual firing chamber of the hearth body of domestic waste incineration of the present invention makes and produces vortex disturbance plume in the stove, a large amount of fresh air that the secondary wind that blasts is simultaneously brought into can make that unburnt flue gas also can keep continuously in main combustion chamber after entering dual firing chamber 〉=850 ℃ high temperature, do not need the combustion-supporting second-time burning of refuelling, the dust barricade not only can play and tentatively carry out the effect that flue dust separates simultaneously, the time of the stacking area of all right prolong smoke dual firing chamber, impel bioxin and other nuisance thoroughly to be carried out pyrolytic, CO, C
+Carry out high temperature Deng thoroughly and burn problem, greatly reduce the cost that follow-up flue gas is handled.(3) air buffer of the hearth body of domestic waste incineration of the present invention helps removing the dust in the dual firing chamber.(4) The present invention be directed to the case study that loads in mixture of the present house refuse of China, can adapt to the present situation of China's domestic rubbish disposal fully.
Description of drawings
Fig. 1 is the structural representation after hearth body of the present invention is used for corresponding domestic waste incineration.
The pairing title of mark in the above-mentioned accompanying drawing is as follows:
Stove framework 3,
Feed arrangement 4, feed arrangement frame 4-1, feeding platform 4-2, seal casinghousing 4-3, feed hopper 4-4, servo-actuated material-pulling device 4-5,
Combined type grate body 5,
Furnace bottom goes out ash bucket 61, the first furnace bottoms and goes out ash bucket 61-1, and second furnace bottom goes out ash bucket 61-2, and the 3rd furnace bottom goes out ash bucket 61-3, the 4th furnace bottom goes out ash bucket 61-4, air inlet 61-6, dirt-excluding bucket 62, ash discharge mechanism 63, break mechanism 64, the slag passage 65 that falls, wind storehouse plate 66, the first wind storehouse plate 66-1, the second wind storehouse plate 66-2, the 3rd wind storehouse plate 66-3, wind storehouse 67, the first wind storehouse 67-1, the second wind storehouse 67-2, the 3rd wind storehouse 67-3, the 4th wind storehouse 67-4
The specific embodiment
The orientation of the specific embodiment of the present invention is described according to orientation shown in Figure 1.
(embodiment 1)
See Fig. 1, main wall, left vault 2-1, left side wall 2-2, main arch top 2-3, right-side wall 2-4, interior slope vault 2-5, interior main partition wall 2-6, the oblique partition wall 2-7 in a left side, right tiltedly partition wall 2-8 and dust barricade 2-9 before and after the hearth body 2 of present embodiment comprises.Preceding main wall is seated on the front stall of furnace base 1, and back main wall is seated on the back seat of furnace base 1, and front and back main wall left part is short portion.Left side vault 2-1 is arranged between short top, main wall left side, front and back; Left side vault 2-1 forms charging aperture 2-16 between the top of the left end shrouding 1-5 of front and back main wall and furnace base 1.Main arch top 2-3 is arranged between the main wall top, front and back; Left side wall 2-2 is arranged between left vault 2-1 and the main arch top 2-3 and between the main wall of front and back, and the middle part is provided with secondary wind air port 2-12, and secondary wind air port 2-12 is obliquely installed from left rear to right front; Right-side wall 2-4 top and middle part between the main wall of front and back and top and main arch top 2-3 link to each other, the bottom is seated on the right-hand member on basis 10, and between the front stall and back seat of furnace base 1.Have the door opening that communicates with hearth body 2 inside in the middle of the right-side wall 2-4 bottom, access door 2-17 is housed on the wall of door opening.Interior slope vault 2-5 is obliquely installed between the main wall of front and back and right-hand member links to each other with right-side wall 2-4 to the lower right; In being arranged on straight up, interior main partition wall 2-6 links to each other above the slope vault 2-5 left side and with the front and back main wall; The oblique partition wall 2-7 in a left side is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on and left end links to each other with interior main partition wall 2-6 top, and a left side tiltedly partition wall 2-7 is obliquely installed to the lower right; Right tiltedly partition wall 2-8 is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on, and its right-hand member links to each other with right-side wall 2-4 middle part is inboard, right tiltedly partition wall 2-8 square neck to left down tiltedly is provided with, its left end links to each other with the right-hand member of the oblique partition wall 2-7 in a left side, and is provided with the ash hole 2-13 of dual firing chamber in the middle of the junction; The middle part of the fore-and-aft direction that is positioned at right tiltedly partition wall 2-8 top of right-side wall 2-4 is provided with outlet flue 2-15; The middle part of the fore-and-aft direction between oblique partition wall 2-8 in the right side and interior slope vault 2-5 of right-side wall 2-4 is provided with ash removing opening 2-14.Dust barricade 2-9 is arranged on main arch top 2-3 and a left side tiltedly links to each other between the partition wall 2-7 and with the front and back main wall, and the below is provided with exhaust gases passes 2-18.The body of wall of the front and back main wall of hearth body 2, left vault 2-1, left side wall 2-2, main arch top 2-3, right-side wall 2-4 all is made up of refractory brick, insulating brick and heat-preservation cotton from inside to outside successively.
Hearth body 2 also comprises main combustion chamber 2-10 and the 2-11 of dual firing chamber.Space between described front and back main wall, left vault 2-1, interior slope vault 2-5 and the combined type grate body 5 forms main combustion chamber 2-10.Space between described front and back main wall, left side wall 2-2, main arch top 2-3, interior main partition wall 2-6, the oblique partition wall 2-7 in a left side, right tiltedly partition wall 2-8 and the right-side wall 2-4 forms the 2-11 of dual firing chamber.The described 2-11 of dual firing chamber comprises vortex district 2-11-1 and stacking area 2-11-2; Space between front and back main wall, left side wall 2-2, interior main partition wall 2-6 and the main arch top 2-3 forms the vortex district 2-11-1 of the 2-11 of dual firing chamber; Space between front and back main wall, main arch top 2-3, interior main partition wall 2-6, the oblique partition wall 2-7 in a left side, right oblique partition wall 2-8 and the right-side wall 2-4 forms the stacking area 2-11-2 of the 2-11 of dual firing chamber; The part that is positioned at dust barricade 2-9 left side of the stacking area 2-11-2 of the 2-11 of dual firing chamber is first stacking area, and the part that is positioned at dust barricade 2-9 right side of the stacking area 2-11-2 of the 2-11 of dual firing chamber is second stacking area.Space formation air buffer between front and back main wall, interior slope vault 2-5, interior main partition wall 2-6, the oblique partition wall 2-7 in a left side, right tiltedly partition wall 2-8 and the right-side wall 2-4.
(application examples 1)
See Fig. 1, the hearth body of embodiment 1 in use, as a part of corresponding domestic waste incineration.Described domestic waste incineration comprises that also basis seat 10, furnace base 1, stove framework 3, feed arrangement 4, combined type grate body 5, furnace bottom go out ash bucket 61, dirt-excluding bucket 62, ash discharge mechanism 63, break mechanism 64, the slag passage 65 that falls, wind storehouse plate 66 and cold and hot wind apparatus except that embodiment 1 described hearth body 2.
The front stall of furnace base 1 and back seat are respectively seated on the front side frame and rear side frame of basis seat 10; The left end shrouding 1-5 of furnace base 1 is airtight to be fastened between the left side section box-girder 1-1 of the left side section box-girder of front stall and back seat, and align in the left end top of the left side section box-girder 1-1 of the left side section box-girder of the upper end of left end shrouding 1-5 and front stall and back seat, the lower end of left end shrouding 1-5 is seated on the basis seat 10.
The bottom of stove framework 3 is fixed on the furnace base 1 and around hearth body 2 and is provided with, and stove framework 3 is to be welded to each other the whole steelframe that constitutes by I-steel.The outwardly directed termination of the bitch of the inboard of stove framework 3 on being arranged on refractory brickwork is weldingly fixed on, and makes stove framework 3 fixedly connected with hearth body 2, thereby makes insulating brick and heat-preservation cotton is clamped is fixed between refractory brick and the stove framework 3.
Described feed arrangement 4 comprises feed arrangement frame 4-1, feeding platform 4-2, seal casinghousing 4-3, feed hopper 4-4 and servo-actuated material-pulling device 4-5.Feed arrangement frame 4-1 bottom is fixed on seat 10 left sides, basis, and top right side is connected with the partial fixing of the left vault 2-1 top that is positioned at hearth body 2 of stove framework 3.Feeding platform 4-2 is fixed on the feed arrangement frame 4-1, and right-hand member is positioned at the left shrouding 1-5 top of furnace base 1.Seal casinghousing 4-3 is fixed on feeding platform 4-2 left end top; Feed hopper 4-4 is fixed on the top that feed arrangement frame 4-1 went up and be positioned at feed arrangement frame 4-1, the lower end, left side of the outlet of feed hopper 4-4 is connected with the right-hand member of seal casinghousing 4-3 is airtight, the airtight connection of corresponding site of the right-hand member of the right-hand member of the upside of the outlet of feed hopper 4-4 and both sides, front and back and the formation charging aperture 2-16 of hearth body 2, the front side of the outlet of feed hopper 4-4 is connected with feeding platform 4-2 is airtight with the lower end of rear side.Servo-actuated material-pulling device 4-5 is arranged on the feeding platform 4-2 and is positioned at seal casinghousing 4-3.The exit portion of feeding platform 4-2, seal casinghousing 4-3, feed hopper 4-4 and servo-actuated material-pulling device 4-5 make by exotic material.
It is the combined type fire grate device of 200720045548.3 incinerator that combined type grate body 5 adopts number of patent applications.This combined type fire grate device can not only make house refuse fully burn, and can also reduce the generation of flue dust.Combined type grate body 5 comprise corresponding left side section box-girder 1-1, the first stage casing box-girder 1-2 and the tilting reciprocal grate mechanism on the second stage casing box-girder 1-3 of the front stall that is arranged on furnace base 1 and back seat and be arranged on the front stall of furnace base 1 and the corresponding right section box-girder 1-4 of back seat on horizontal reciprocal grate mechanism; The left end of the tilting reciprocal grate mechanism of combined type grate body 5 is positioned at the lower right side of servo-actuated material-pulling device 4-5; The right-hand member of the tilting reciprocal grate mechanism of combined type grate body 5 is positioned at horizontal reciprocal grate mechanism left end top.Between the right-side wall 2-4 of the right-hand member of the horizontal reciprocal grate mechanism on the corresponding right section box-girder 1-4 of the front stall of furnace base 1 and back seat and hearth body 2, be provided with slag passage 65.
Wind storehouse plate 66 comprises the first wind storehouse plate 66-1, the second wind storehouse plate 66-2 and the 3rd wind storehouse plate 66-3.Form corresponding wind storehouse 67 between the front stall of furnace base 1 and back seat and corresponding wind storehouse plate 66 and the corresponding shrouding; The first wind storehouse plate 66-1 front end is arranged between the left side section box-girder and the first stage casing box-girder of front stall of furnace base 1, and plate 66-1 rear end, the first wind storehouse is arranged between the left side section box-girder 1-1 and the first stage casing box-girder 1-2 of back seat of furnace base 1; Form the first wind storehouse 67-1 between the left side section box-girder 1-1 of the left side section box-girder of the left end shrouding 1-5 of furnace base 1, the front stall of furnace base 1, the back seat of furnace base 1 and the first wind storehouse plate 66-1; The second wind storehouse plate 66-2 front end is arranged between the first stage casing box-girder and the second stage casing box-girder of front stall of furnace base 1, and plate 66-2 rear end, the second wind storehouse is arranged between the first stage casing box-girder 1-2 and the second stage casing box-girder 1-3 of back seat of furnace base 1; Form the second wind storehouse 67-2 between the first stage casing box-girder 1-2 of the first stage casing box-girder of the first wind storehouse plate 66-1 of furnace base 1, the front stall of furnace base 1, the back seat of furnace base 1 and the second wind storehouse plate 66-2; The 3rd wind storehouse plate 66-3 front end is arranged between the second stage casing box-girder and right section box-girder of front stall of furnace base 1, and plate 66-3 rear end, the 3rd wind storehouse is arranged between the second stage casing box-girder 1-3 and right section box-girder 1-4 of back seat of furnace base 1; Form the 3rd wind storehouse 67-3 between second stage casing box-girder 1-3 of the second stage casing box-girder of the second wind storehouse plate 66-2 of furnace base 1, the front stall of furnace base 1, the back seat of furnace base 1 and the 3rd wind storehouse plate 66-3; Form the 4th wind storehouse 67-4 between the right section box-girder of the 3rd wind storehouse plate 66-2 of furnace base 1, the front stall of furnace base 1, the right section box-girder 1-4 of back seat and the right-hand member shrouding 1-6.The upper end of each wind storehouse plate 66 is positioned at the below of the fire grate of corresponding combined type grate body 5, and the lower end of each wind storehouse plate 66 is all on same horizontal plane.
Furnace bottom goes out ash bucket 61 and comprises that from left to right first furnace bottom that is provided with of linking to each other successively goes out that ash bucket 61-1, second furnace bottom go out ash bucket 61-2, the 3rd furnace bottom goes out ash bucket 61-3 and the 4th furnace bottom goes out ash bucket 61-4.First furnace bottom goes out between the bottom that ash bucket 61-1 is arranged on the left end shrouding 1-5 of furnace base 1 and the first wind storehouse plate 66-1, be connected across on the front side frame and rear side frame of basis seat 10, airtight from bottom to top being connected on the furnace base 1, and be positioned at the below of the first wind storehouse 67-1; Second furnace bottom goes out on the front side frame and rear side frame that is connected across basis seat 10 between the bottom that ash bucket 61-2 is arranged on the first wind storehouse plate 66-1 and the second wind storehouse plate 66-2, airtight from bottom to top being connected on the furnace base 1, and be positioned at the below of the second wind storehouse 67-2; The 3rd furnace bottom goes out on the front side frame and rear side frame that is connected across basis seat 10 between the bottom that ash bucket 61-3 is arranged on the second wind storehouse plate 66-2 and the 3rd wind storehouse plate 66-3, airtight from bottom to top being connected on the furnace base 1, and be positioned at the below of the 3rd wind storehouse 67-3; The left end that the 4th furnace bottom goes out ash bucket 61-4 is arranged on the lower end of the 3rd wind storehouse plate 66-3, the right-hand member that the 4th furnace bottom goes out ash bucket 61-4 links to each other with the left end of dirt-excluding bucket 62, the right-hand member of dirt-excluding bucket 62 is arranged on the lower end of right-side wall 2-4 of hearth body 2, and the front and back that the 4th furnace bottom goes out ash bucket 61-4 and dirt-excluding bucket 62 are separately positioned on the front side frame and rear side frame of basis seat 10.First furnace bottom goes out ash bucket 61-1, and second furnace bottom goes out ash bucket 61-2, and the 3rd furnace bottom goes out ash bucket 61-3 and the 4th furnace bottom and goes out ash bucket 61-4 below and be provided with ash discharge mechanism 63; Ash discharge mechanism 63 is fixed on the below that each furnace bottom goes out ash bucket by being seated in ground installing rack, and go out the airtight connection of ash bucket respectively at corresponding furnace bottom, the right-hand member of ash discharge mechanism 63 is connected with the left side wall of dirt-excluding bucket 62, and first furnace bottom can be gone out ash bucket 61-1, second furnace bottom and go out ash bucket 61-2, the 3rd furnace bottom and go out ash bucket 61-3 and the 4th furnace bottom and go out the ash that ash bucket 61-4 discharged and send into dirt-excluding bucket 62; The bottom of dirt-excluding bucket 62 is provided with break mechanism 64, the residue behind the consumer waste incineration can be smashed the back and discharge the consumer waste incineration system.Dirt-excluding bucket 62 and each furnace bottom go out before and after the top of ash bucket 61 and are provided with air inlet 61-6 on the both sides.Cold and hot wind apparatus is arranged on the below of basis seat 10 and links to each other with each air inlet 61-6, the air-line system of cold and hot wind apparatus is provided with the two-way header pipe, the quantity of every road header pipe's blowpipe is identical with the quantity that goes out ash bucket and dirt-excluding bucket sum, each blowpipe that is positioned at the header pipe of front side is connected with the air inlet that is positioned at the front side of air inlet that goes out ash bucket 61 accordingly or dirt-excluding bucket 62, and each blowpipe that is positioned at the header pipe of rear side is connected with the air inlet that is positioned at rear side of air inlet that goes out ash bucket 61 accordingly or dirt-excluding bucket 62; Control to adjust the intake that cold and hot wind apparatus enters each air inlet 61-6 by burning intelligence control circuit.
See Fig. 1, the method for work of above-mentioned domestic waste incineration is as follows:
1. earlier house refuse is packed into behind the feed hopper 4-4 of feed arrangement 4 and fall on the feeding platform 4-2; Detect by burning the temperature of intelligence control circuit baking zone A in the stove, when detected temperatures during greater than 700 ℃, enter baking zone A by burning on the fire grate of left end that intelligence control circuit control servo-actuated material-pulling device 4-5 is pushed into the house refuse on the feeding platform 4-2 to the right combined type grate body 5, from the radiant heat of main combustion chamber 2-10 and the 2-11 of dual firing chamber and the hot blast of system outside the house refuse that pushes is dried, described hot blast is controlled cold and hot wind apparatus and is regulated by burning intelligence control circuit, and enters the first wind storehouse 67-1 by being arranged on the air inlet 61-6 that first furnace bottom goes out on the ash bucket 61-1, pass from bottom to top again behind the fire grate and house refuse is dried; Then along with the reciprocating motion of combined type grate body 5, the house refuse that is positioned at the oven dry on the fire grate of tilting reciprocal grate mechanism is pushed to the combustion zone B that is positioned at top, box-girder 1-2 place, first stage casing and carries out high-temp combustion, go out air inlet 61-6 on the ash bucket 61-2 by second furnace bottom and enter the second wind storehouse 67-2, pass from bottom to top behind the fire grate from the hot blast of system outside and combustion-supporting effect is played in the burning of house refuse this moment, and make house refuse keep 900 ℃ to 1300 ℃ high temperature in main combustion chamber, do not need the naked light of the combustion-supporting continous-stable of refuelling to burn; Reciprocating motion along with combined type grate body 5, be positioned at house refuse after the burning on the fire grate of tilting reciprocal grate mechanism and be pushed to the burnt zone C that is positioned at top, box-girder 1-3 place, second stage casing and proceed burning, control cold and hot wind apparatus regulate blast be arranged on three furnace bottom go out air inlet 61-6 ash bucket 61-3 on enter three wind storehouse 67-3 more from bottom to top pass fire grate after and to the burning of house refuse can play combustion-supporting effect by burn intelligence control circuit from the hot blast of system outside this moment; The house refuse that burns is cooled off being passed the cooling zone D that drops in the horizontal reciprocal grate mechanism that is positioned at right section box-girder 1-4 place in the tilting reciprocal grate mechanism along with the reciprocating motion of combined type grate body 5 at last, and control cold and hot wind apparatus from the hot blast of system outside by the burning intelligence control circuit and regulate to blast and be arranged on the 4th furnace bottom and go out and can play the cooling cooling effect after air inlet 61-6 on ash bucket 61-4 and the dirt-excluding bucket 62 passes fire grate from bottom to top this moment; Along with the reciprocating motion of horizontal reciprocal grate mechanism 5, the slag that completing combustion is intact falls into dirt-excluding bucket 62 by the slag passage 65 that falls, and by break mechanism 64 residue that falls into is smashed the back then and discharges incinerator.
2. the formed flue gas in house refuse burning back is entered the vortex district 2-11-1 of the 2-11 of dual firing chamber by main combustion chamber 2-10, the secondary wind air port 2-12 that is provided with on wall 2-2 top, left side by air blast blasts secondary wind simultaneously, thereby secondary wind and flue gas together form eddy current in the vortex district of the 2-11 of dual firing chamber, because a large amount of fresh air of being brought into of secondary wind makes flue gas also can continue the internal combustion at the 2-11 of dual firing chamber under the combustion-supporting situation of refuelling not, and can keep 〉=850 ℃ high temperature, so dual firing chamber of the present invention is not a secondary combustion chamber, but second combustion chamber.Move to flue gas in the vortex district 2-11-1 by main combustion chamber 2-10, effect because of gravity and vortex, cigarette, dirt carry out preliminary separation, and the part dust is fallen on the combined type grate body 5, and remaining dust burns away with the stacking area 2-11-2 that flue gas enters the 2-11 of dual firing chamber; A part of falling the dust on the combined type grate body 5 can fall into dirt-excluding bucket 62 together with the slag that has burnt through the slag passage 65 that falls along with the motion of combined type grate body 5, the final incinerator of discharging, some dust can fall into furnace bottom and go out ash bucket 61 by the slit between the fire grate of combined type grate body 5, fall into the dust that furnace bottom goes out ash bucket 61 and be discharged to dirt-excluding bucket 62, finally discharge incinerator by ash discharge mechanism 63.The flue gas of first stacking area of stacking area 2-11-2 that enters the 2-11 of dual firing chamber is because the effect of gravity effect and dust barricade 2-9 is carried out preliminary separating again to cigarette, dirt, and the part dust can be discharged after dust barricade 2-9 falls to dropping down onto the ash hole 2-13 of dual firing chamber at last; Flue gas and all the other dusts are entered by the exhaust gases passes 2-18 of dust barricade 2-9 below and flow out from the outlet flue 2-15 of hearth body 2 after burning away in second stacking area again; Because dust barricade 2-9 has played prolong smoke in time of staying of the 2-11 of dual firing chamber, impels bioxin and other nuisance thoroughly to be carried out pyrolytic, CO, C
+Thoroughly being carried out high temperature Deng material burns.When flue gas flows through outlet flue 2-15, the burning intelligence control circuit constantly detects the oxygen content in the flue gas, when if the oxygen content of flue gas meets the discharge condition (in the present embodiment, the discharge condition of the oxygen content of flue gas is 5wt%～8wt%), then keep secondary wind air port 2-12 to blast the intake of secondary wind; If when the oxygen content of flue gas is lower than 5wt%, then increase the intake that secondary wind air port 2-12 blasts secondary wind,, then reduce the intake that secondary wind air port 2-12 blasts secondary wind if when the oxygen content of flue gas is higher than 8wt%.
Carry out flue gas after the initial gross separation through after the post processing through what outlet flue 2-15 discharged, reach discharge standard and enter atmosphere.Detailed process is: the flue gas of discharging life domestic waste incineration is through superhigh temperature cyclone dust collectors (described superhigh temperature be meant temperature 〉=850 ℃) realization cigarette, the separation of dirt, process flue gas expansion chamber carries out cigarette again, dirt separates, through in warm half dry type neutralization reaction tower (middle temperature is meant that temperature is 190～550 ℃) flying dust that neutralizes and remove the salts substances that neutralization reaction produces, through being sprayed with the flue of active carbon the pernicious gas in the flue gas is attracted on the active carbon, enter sack cleaner and remove residual flying dust and the active carbon grit that adsorbs pernicious gas, flue gas is finally sent into chimney and is entered atmosphere by air-introduced machine.Behind the flue gas sampling of being discharged, ， bioxin content is lower than 0.1ng/m after testing
3
Claims (4)
1. the hearth body of a domestic waste incineration is characterized in that: main wall, left vault (2-1), left side wall (2-2), main arch top (2-3), right-side wall (2-4), interior slope vault (2-5), interior main partition wall (2-6), the oblique partition wall (2-7) in a left side and right tiltedly partition wall (2-8) before and after comprising; Preceding main wall is seated on the front stall of furnace base (1), and back main wall is seated on the back seat of furnace base (1), and front and back main wall left part is short portion; Left side vault (2-1) is arranged between short top, main wall left side, front and back; Left side vault (2-1) forms charging aperture (2-16) between the top of the left end shrouding (1-5) of front and back main wall and furnace base (1); Main arch top (2-3) is arranged between the main wall top, front and back; Left side wall (2-2) is arranged between left vault (2-1) and the main arch top (2-3) and between the main wall of front and back, the middle part of left side wall (2-2) is provided with secondary wind air port (2-12), and secondary wind air port (2-12) is obliquely installed from left rear to right front; Right-side wall (2-4) top and middle part between the main wall of front and back and top and main arch top (2-3) link to each other, the bottom is seated on the right-hand member of basis (10), and is positioned between the front stall and back seat of furnace base (1); Have the door opening that communicates with hearth body (2) inside in the middle of the bottom of right-side wall (2-4), access door (2-17) is housed on the wall of door opening; Interior slope vault (2-5) is obliquely installed between the main wall of front and back and right-hand member links to each other with right-side wall (2-4) to the lower right; In being arranged on straight up, interior main partition wall (2-6) links to each other above slope vault (2-5) left side and with the front and back main wall; The oblique partition wall (2-7) in a left side is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on and left end links to each other with interior main partition wall (2-6) top, and a left side tiltedly partition wall (2-7) is obliquely installed to the lower right; Right tiltedly partition wall (2-8) is fixed between the main wall of front and back by the steelframe between the main wall before and after being arranged on, and its right-hand member links to each other with right-side wall (2-4) middle part is inboard, right tiltedly partition wall (2-8) square neck to left down tiltedly is provided with, its left end links to each other with the right-hand member of the oblique partition wall (2-7) in a left side, and is provided with dual firing chamber's ash hole (2-13) in the middle of the junction; The middle part of the fore-and-aft direction that is positioned at right tiltedly partition wall (2-8) top of right-side wall (2-4) is provided with outlet flue (2-15); The middle part that is positioned at the fore-and-aft direction between right tiltedly partition wall (2-8) and the slope vault (2-5) of right-side wall (2-4) is provided with ash removing opening (2-14); Hearth body (2) also comprises main combustion chamber (2-10) and dual firing chamber (2-11), and dual firing chamber (2-11) comprises vortex district (2-11-1) and stacking area (2-11-2); Space between described front and back main wall, left vault (2-1), interior slope vault (2-5) and the combined type grate body (5) forms main combustion chamber (2-10); Described front and back main wall, left side wall (2-2), main arch top (2-3), interior main partition wall (2-6), a left side is partition wall (2-7) tiltedly, space between right tiltedly partition wall (2-8) and the right-side wall (2-4) forms dual firing chamber (2-11), and the front and back main wall, left side wall (2-2), space between main arch top (2-3) and the interior main partition wall (2-6) forms the vortex district (2-11-1) of dual firing chamber (2-11), front and back main wall, main arch top (2-3), a left side is partition wall (2-7) tiltedly, space between right tiltedly partition wall (2-8) and the right-side wall (2-4) forms the stacking area (2-11-2) of dual firing chamber (2-11).
2. the hearth body of domestic waste incineration according to claim 1 is characterized in that: also comprise dust barricade (2-9); Dust barricade (2-9) is arranged on main arch top (2-3) and a left side tiltedly links to each other between the partition wall (2-7) and with the front and back main wall, and the below is provided with exhaust gases passes (2-18); The part in the left side that is positioned at dust barricade (2-9) of the stacking area (2-11-2) of dual firing chamber (2-11) is first stacking area, and the part on the right side that is positioned at dust barricade (2-9) of the stacking area (2-11-2) of dual firing chamber (2-11) is second stacking area.
3. the hearth body of domestic waste incineration according to claim 2 is characterized in that: the space formation air buffer between front and back main wall, interior slope vault (2-5), interior main partition wall (2-6), the oblique partition wall (2-7) in a left side, right tiltedly partition wall (2-8) and the right-side wall (2-4).
4. according to the hearth body of the described domestic waste incineration of one of claim 1 to 3, it is characterized in that: the body of wall of the front and back main wall of hearth body (2), left vault (2-1), left side wall (2-2), main arch top (2-3), right-side wall (2-4) all is made up of refractory brick, insulating brick and heat-preservation cotton from inside to outside successively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105828617A CN101986035B (en) | 2010-12-10 | 2010-12-10 | Hearth of household garbage incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010105828617A CN101986035B (en) | 2010-12-10 | 2010-12-10 | Hearth of household garbage incinerator |
Publications (2)
| Publication Number | Publication Date |
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| CN101986035A true CN101986035A (en) | 2011-03-16 |
| CN101986035B CN101986035B (en) | 2012-04-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010105828617A Expired - Fee Related CN101986035B (en) | 2010-12-10 | 2010-12-10 | Hearth of household garbage incinerator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102128454A (en) * | 2011-04-02 | 2011-07-20 | 李登平 | Garbage incinerator |
| CN102563853A (en) * | 2012-02-20 | 2012-07-11 | 于耀中 | Inverted grate-firing boiler |
| CN103884009A (en) * | 2014-04-11 | 2014-06-25 | 包钢重菱锅炉制造有限公司 | Biomass hot blast stove |
| CN104764022A (en) * | 2015-02-16 | 2015-07-08 | 彭承襟 | Swing-incineration-bed and multi-incineration-chamber household garbage incinerator |
| CN105444183A (en) * | 2015-12-29 | 2016-03-30 | 重庆科技学院 | Mechanical grate type single-furnace garbage gasifying incineration system and disposal method thereof |
| CN107676771A (en) * | 2017-02-28 | 2018-02-09 | 浙江爱立美能源科技有限公司 | A kind of strengthening combustion system |
| CN107987855A (en) * | 2018-01-04 | 2018-05-04 | 利百川环保科技有限公司 | Box-like pyrolysis gasification furnace in one kind |
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| FR2614394A1 (en) * | 1987-04-24 | 1988-10-28 | Idee Sarl | Incineration furnace with hearth rotating around a vertical axis |
| CN2479371Y (en) * | 2001-05-28 | 2002-02-27 | 武绍之 | Medical refuse incierator using reciprocating grate and S-shape hearth |
| CN2497165Y (en) * | 2001-07-16 | 2002-06-26 | 常州市三信环卫环保设备有限公司 | Furnace tank structure component for house refuse incinerator |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102128454A (en) * | 2011-04-02 | 2011-07-20 | 李登平 | Garbage incinerator |
| CN102128454B (en) * | 2011-04-02 | 2013-02-27 | 李登平 | Garbage incinerator |
| CN102563853A (en) * | 2012-02-20 | 2012-07-11 | 于耀中 | Inverted grate-firing boiler |
| CN102563853B (en) * | 2012-02-20 | 2013-10-02 | 于耀中 | Inverted grate-firing boiler |
| CN103884009A (en) * | 2014-04-11 | 2014-06-25 | 包钢重菱锅炉制造有限公司 | Biomass hot blast stove |
| CN103884009B (en) * | 2014-04-11 | 2016-03-09 | 包钢重菱锅炉制造有限公司 | A kind of biomass thermal wind furnace |
| CN104764022A (en) * | 2015-02-16 | 2015-07-08 | 彭承襟 | Swing-incineration-bed and multi-incineration-chamber household garbage incinerator |
| CN105444183A (en) * | 2015-12-29 | 2016-03-30 | 重庆科技学院 | Mechanical grate type single-furnace garbage gasifying incineration system and disposal method thereof |
| CN107676771A (en) * | 2017-02-28 | 2018-02-09 | 浙江爱立美能源科技有限公司 | A kind of strengthening combustion system |
| CN107676771B (en) * | 2017-02-28 | 2023-08-04 | 浙江浙燃能源有限公司 | Intensified combustion system |
| CN107987855A (en) * | 2018-01-04 | 2018-05-04 | 利百川环保科技有限公司 | Box-like pyrolysis gasification furnace in one kind |
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|---|---|
| CN101986035B (en) | 2012-04-18 |
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