CN106402895B - No-smoke furnace for waste incineration - Google Patents

No-smoke furnace for waste incineration Download PDF

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Publication number
CN106402895B
CN106402895B CN201610972691.0A CN201610972691A CN106402895B CN 106402895 B CN106402895 B CN 106402895B CN 201610972691 A CN201610972691 A CN 201610972691A CN 106402895 B CN106402895 B CN 106402895B
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CN
China
Prior art keywords
shell
combustion chamber
air
flue
burning
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Expired - Fee Related
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CN201610972691.0A
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Chinese (zh)
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CN106402895A (en
Inventor
佟文利
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Individual
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Individual
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Priority to CN201610972691.0A priority Critical patent/CN106402895B/en
Publication of CN106402895A publication Critical patent/CN106402895A/en
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Expired - Fee Related legal-status Critical Current
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Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/08Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
    • F23G5/14Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
    • F23G5/16Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
    • F23G5/165Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber arranged at a different level
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G5/00Incineration of waste; Incinerator constructions; Details, accessories or control therefor
    • F23G5/44Details; Accessories
    • F23G5/46Recuperation of heat
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2202/00Combustion
    • F23G2202/10Combustion in two or more stages
    • F23G2202/103Combustion in two or more stages in separate chambers
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23GCREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
    • F23G2206/00Waste heat recuperation
    • F23G2206/20Waste heat recuperation using the heat in association with another installation

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Incineration Of Waste (AREA)

Abstract

The invention discloses the no-smoke furnaces for waste incineration, including incinerator and bent axle flue cooler, incinerator includes the fixed burning chamber shell inside the shell of shell and interval, it is equipped with feed inlet at the top of burning chamber shell, in the horizontal direction between the upper and lower every being equipped with high temperature resistant fire grate and secondary combustion chamber bottom plate in combustion chamber shell body, the region in combustion chamber shell body above high temperature resistant fire grate is the first combustion chamber, combustion chamber shell interior body region between high temperature resistant fire grate and secondary combustion chamber bottom plate is the second combustion chamber, first, it is respectively arranged at second combustion chamber primary, secondary air device, cavity between shell and burning chamber shell constitutes heat exchanger channels, bent axle flue cooler includes cooler casing and the bent axle flue that is arranged in cooler casing.This burning facility is small, floor space is few, hollow big in bent axle flue, can flow the flue gas and air by big flow, can increase effective heating surface, keep heat transfer effect more preferable.

Description

No-smoke furnace for waste incineration
Technical field
The present invention relates to no-smoke furnaces, the more particularly, to no-smoke furnace of waste incineration.
Background technology
In the 21st century, with people's environmental consciousness enhancing, existing garbage incinerating system, especially medical waste It burns, majority is using diesel oil, natural gas, and electric furnace burns rubbish, these burning facilities are mostly burning facility bodies Product is big, and price is high, takes up a large area, and operating cost is high, does not adapt to current medium and small health clinics in towns and townships, the doctor of the units such as health-center Treat the burning problem of rubbish.
Invention content
The purpose of the present invention is to overcome the disadvantages of the prior art, and operating cost, equipment body can be substantially reduced by providing one kind Product it is small and can a tractor serves several purposes the no-smoke furnace for waste incineration.
The no-smoke furnace for waste incineration of the present invention, including incinerator and bent axle flue cooler, the incinerator Including the fixed burning chamber shell inside the shell of shell and interval, it is equipped with feed inlet at the top of the burning chamber shell, Upper cover is installed on the feed inlet, in the horizontal direction between the upper and lower every being equipped with high temperature resistant stove in the combustion chamber shell body Grate and secondary combustion chamber bottom plate, the region in combustion chamber shell body above the high temperature resistant fire grate are the first combustion chamber, Combustion chamber shell interior body region between the high temperature resistant fire grate and secondary combustion chamber bottom plate is the second combustion chamber, described two Secondary combustion chamber soleplate is groove type structure, is spaced in the opening opened up and divides on the burning chamber shell at the first combustion chamber It is not provided with and communicated with the vent passages for stretching out shell, it is logical at the doorway that the vent passages described in each stretch out shell setting It crosses ventilation firedoor frame and is fixed with one piece of ventilating board, multiple ventilation holes are provided on the ventilating board described in each piece as the first burning Air-intake device of room is connected with the ventilation fire door that can be opened and closed by shaft on each ventilation firedoor frame, The observation channel of a stretching shell is provided with and communicated in the opening of burning chamber shell at second combustion chamber, in institute The observation channel stated, which is stretched out at the nozzle that shell is arranged, is fixed with secondary combustion chamber firedoor frame, in the secondary combustion chamber fire door The fire door that can be opened and closed is connected with by shaft on frame, windowpane is provided among the fire door to watch burning Effect, Secondary Air box are mounted on the burning chamber shell outer wall at the second combustion chamber position, described secondary Multiple secondary air feed air holes are provided on burning chamber shell in wind box, the outlet of a middle drum pressure wind turbine is by passing through shell to be arranged Secondary air channel be connected with Secondary Air pod interface, be connected with warm air discharge tubes in the shell upper of the incinerator, it is described Shell and burning chamber shell between cavity constitute heat exchanger channels, the warm air discharge tubes and heat exchanger channels are interconnected, The bent axle flue cooler includes cooler casing and the dust-settling compartment for being arranged at intervals on lower part in the cooler casing, The bent axle flue being vertically arranged is communicated on the roof of the dust-settling compartment, the bent axle flue is bent axle shape knot Structure, the bent axle shape structure are made of the rod journal and trunnion of alternate communication, and the rod journal and trunnion are Hollow structure is vertically provided with central tube, the center of the trunnion described in each in the centre of each trunnion The cavity of cavity and rod journal between the outer wall of pipe and the inner wall of trunnion be for flue gas by channel, the song The trunnion of axis flue top is connected to the chimney import level across cooler casing, is installed on the chimney breast There is air-introduced machine, cooling blower is installed at the top of the cooler casing, between the cooler casing and bent axle flue Cavity, the cavity between cooler casing and dust-settling compartment and central tube cavity collectively form cold air channel, it is described The outlet of cooling blower is connected with cold air channel, and the opening on the side wall of the dust-settling compartment passes through depositing dust pipeline and cooling Cleaning door on device shell is connected, and dust-settling compartment shoot door is equipped on the cleaning door, and one horizontally disposed Tertiary air box one end be fixed on the lower part of the cooler casing and the other end is fixed on the shell of incinerator, in institute Setting is there are one tertiary air smoke-fire-tube in the tertiary air box stated, described tertiary air smoke-fire-tube one end pass through the shell of incinerator with On second combustion chamber and the burning chamber shell being welded at the second combustion chamber, the other end of the tertiary air smoke-fire-tube is worn Subcooler shell is connected with dust-settling compartment and is welded on dust-settling compartment side wall, is opened on the tube wall of the tertiary air smoke-fire-tube There are multiple air holes three times, multiple air holes three times are opened in the level of smoke-fire-tube 180 degree position more than axial section, described Tertiary air box be connected with secondary air channel by being equipped with the tertiary-air pipe of air adjusting valve, in the tertiary air box lower part Cooler hot-air channel is provided with and communicated between cooler casing and the shell of incinerator so that the cooler hot-air channel It is connected to cold air channel and heat exchanger channels.
Compared with prior art, the present invention haing the following advantages and effect:
1, this burning facility is small, floor space is few, cheap, can handle various combustible garbages and doctor nearby Treat rubbish.
2, this burning facility burn-off rate is high, and combustion efficiency is good, and smoke-free and tasteless is pollution-free.
3, this burning facility can a tractor serves several purposes, medical waste, house refuse, the poultry etc. that chicken farm is died of illness can be burned.
4, this burning facility will produce a large amount of heat when burning away the refuse, and the heat of generation is entirely cleaning, such as Fruit collects and is used, and summer can be used for drying, and winter can be used for warming oneself, and can terminate an agreement mass energy.
5, this burning facility is not in the case where making any changes, and can be converted heating hot-blast stove and heating Normal-pressure hot-water boiler.
6, the bent axle flue in the present apparatus is a kind of heat-exchanger rig, is all rolled using steel plate, hollow big in bent axle flue, The flue gas and air by big flow can be flowed, under the premise of ensureing flue gas and air circulation, can be increased effective heated Face keeps its heat transfer effect more preferable.
7, the last stage of ignition and at the end of use biomass agent burns, it is most of that burn the period be with medical rubbish The heat that rubbish own combustion is sent out burns up the flue gas and harmful substance of itself, can substantially reduce operating cost, solve medium and small township The burning problem of the units medical waste such as health-center of town commune hospital.
Description of the drawings
Fig. 1 is the structural upright schematic diagram that the present invention is used for waste incineration no-smoke furnace;
Fig. 2 is that cooling wind and combustion product gases of the present invention for waste incineration no-smoke furnace flow to schematic diagram;
Fig. 3 is the A-A sectional views of no-smoke furnace shown in FIG. 1;
Fig. 4 is the B-B sectional views of no-smoke furnace shown in FIG. 1.
Specific implementation mode
The invention will be further described below in conjunction with the accompanying drawings.
As shown in the picture, the no-smoke furnace for waste incineration of the invention, including incinerator and bent axle flue cooler 21, The incinerator includes the fixed burning chamber shell 2 inside the shell of shell 1 and interval, on the top of the burning chamber shell 2 Portion is equipped with feed inlet, and upper cover 3 is equipped on the feed inlet, and feed inlet function is to add medium fuel into fuel chambers and want The article of burning, in the horizontal direction between the upper and lower every being equipped with high temperature resistant fire grate 6 and secondary combustion in the combustion chamber shell body Room bottom plate 10 is burnt, the region in combustion chamber shell body above the high temperature resistant fire grate 6 is the first combustion chamber, the resistance to height Combustion chamber shell interior body region between warm fire grate 6 and secondary combustion chamber bottom plate 10 is the second combustion chamber, the second-time burning Room bottom plate 10 is groove type structure, and intermediate low, surrounding is high, can make not inject largely in the burning process of medical waste in this way Complete remaining liq can flow on secondary combustion chamber bottom plate 10, this liquid is all burned totally by secondary burning.Described The first combustion chamber at burning chamber shell on be spaced in the opening (generally selecting four) opened up and be provided with and respectively communicated with stretching The vent passages of shell 1, it is solid by firedoor frame of divulging information at the doorway that the vent passages described in each stretch out shell setting Surely there is one piece of ventilating board, the primary air inlet that multiple ventilation holes are provided on the ventilating board described in each piece as the first combustion chamber fills It sets, an air-intake device of the first combustion chamber is gravity-flow ventilation, and the diameter of multiple ventilation holes is preferably 6-8 millimeters, The ventilation fire door that can be opened and closed, ventilation of the air by opening are connected with by shaft on each ventilation firedoor frame Enter the first combustion chamber after ventilation hole on fire door, ventilating board, oxygen power-assisted is burnt into the first combustion chamber, described the The observation channel of a stretching shell 1 is provided with and communicated in the opening of burning chamber shell 2 at two combustion chambers, in the observation Channel, which is stretched out at the nozzle that shell is arranged, is fixed with secondary combustion chamber firedoor frame 8, leads on the secondary combustion chamber firedoor frame 8 It crosses shaft and is connected with the fire door that can be opened and closed, windowpane is provided among the fire door to watch combustion efficiency.
It is to open when each fire door normal combustion in the first combustion chamber, in favor of giving the first combustion chamber oxygen power-assisted burning, Secondly, it if incinerator does not temporarily burn drawing rubbish, waits for that a period of time works again, a part of biomass fuel can be added to it, Ventilation fire door is shut, and stove fire is allowed not extinguish, and being spaced several hours is further continued for work, and stove fire will not extinguish.One Secondary Air box 7 is pacified On the burning chamber shell outer wall at the second combustion chamber position, the burning chamber shell in the Secondary Air box 7 On be provided with multiple secondary air feed air holes 9, secondary air feed air holes 9 by Secondary Air box 7 to being closed, middle drum pressure wind turbine 19 Outlet is connected by the secondary air channel being arranged across shell with Secondary Air pod interface.Drum pressure wind turbine 19 provides secondary confession in unlatching Wind.
Warm air discharge tubes 5 are connected on 1 top of shell of the incinerator, between the shell and burning chamber shell Cavity constitute heat exchanger channels 22.The warm air discharge tubes 5 are interconnected with heat exchanger channels 22.
Under the bent axle flue cooler 21 includes cooler casing and is arranged at intervals in the cooler casing The dust-settling compartment in portion is communicated with the bent axle flue 16 being vertically arranged, the bent axle on the roof of the dust-settling compartment Flue 16 is bent axle shape structure, and the bent axle shape structure is made of the rod journal and trunnion of alternate communication, the company Bar axle journal and trunnion are hollow structure, are vertically provided with central tube in the centre of each trunnion, each institute The cavity of cavity and rod journal between the outer wall of the central tube for the trunnion stated and the inner wall of trunnion is logical for flue gas The channel crossed, the trunnion of 16 top of bent axle flue are connected to the chimney import level across cooler casing, Air-introduced machine 17 is installed on the chimney breast, air-introduced machine 17 is opened and can guarantee incinerator normal operation under negative pressure operating mode, Cooling blower 15, the sky between the cooler casing and bent axle flue 16 are installed at the top of the cooler casing The cavity of cavity and central tube between chamber, cooler casing and dust-settling compartment collectively forms cold air channel 23, and described is cold But the outlet of wind turbine 15 is connected with cold air channel 23, the opening on the side wall of the dust-settling compartment by depositing dust pipeline with it is cold But the cleaning door on device shell is connected, and dust-settling compartment shoot door 14 is equipped on the cleaning door, one in the horizontal direction 11 one end of tertiary air box of setting is fixed on the lower part of the cooler casing and the other end is fixed on the shell of incinerator 1 On, there are one tertiary air smoke-fire-tubes 12 for setting in the tertiary air box 11, and described 12 one end of tertiary air smoke-fire-tube passes through On the shell of incinerator 1 and the second combustion chamber and the burning chamber shell being welded at the second combustion chamber, the tertiary air The other end of smoke-fire-tube 12 is connected with dust-settling compartment across cooler casing and is welded on dust-settling compartment side wall.It is described three times Multiple air holes 24 three times are provided on the tube wall of wind and smoke fire tube 12.The tertiary air smoke-fire-tube 12 can need to use according to using It is 8-10 millimeters thick, long 400-450 millimeters of charcoal steel pipe manufacture.Multiple air holes three times are opened in the horizontal axis of smoke-fire-tube 12 180 degree position more than section.The tertiary air box 11 is by being equipped with the tertiary-air pipe 20 and secondary air channel of air adjusting valve It is connected.It is provided with and communicated with cooling between the cooler casing 21 and the shell of incinerator 1 of 11 lower part of tertiary air box Device hot-air channel 13 is so that the cooler hot-air channel 13 is connected to cold air channel and heat exchanger channels.
It is preferred that the distance between the secondary combustion chamber bottom plate 10 and high temperature resistant fire grate 6 is 200-220mm, this distance It is optimum distance through overtesting, because of the effect of air-introduced machine 17, the fiery backfire of the first combustion chamber enters by high temperature resistant fire grate 6 When the second combustion chamber, completely close to 6 hypodermis of high temperature resistant fire grate to 12 transition of tertiary air smoke-fire-tube, fire fires thickness and is about 12-16 centimeters, fire combustion still has 6-10 centimeters away from secondary combustion chamber bottom plate 10, when burning medical treatment drawing rubbish, understands some residue Injection liquid medicine flow into the second combustion chamber, when this partial moisture the first combustion chamber not burn flow to secondary combustion chamber bottom plate When upper, the flame of high temperature becomes the moisture heating on secondary combustion chamber bottom plate the high temperature cigarette that 800-1100 degree is blended in after steam Continue to heat heel row in fire except outdoor.Prevent noxious material secondary pollution.
The shell of each preferred trunnion is connected with the flue cleaning pipe that one is stretched out cooler casing setting, The flue cleaning pipe, which stretches out at the flue cleaning door 18 that cooler casing is arranged, is equipped with cleaning door protecting cover.Cleaning door protecting cover It can set up or remove, to clear up dust stratification in flue.
Before the dust of after-flame enters bent axle flue cooler by tertiary air smoke-fire-tube 12, dust-settling compartment is dropped to, convenient for clear Reason.By the suction of air-introduced machine, forces to burn stove fire combustion reverse combustion, ensure incinerator to be under normal negative pressure operating mode and work. Flue cleaning door 18 is used for the dust in crankcase scavenged flue 16, and dust is micro herein, is not settled in dust-settling compartment The smaller dust of particle, it is different according to incinerator specifications and models, the quantity of flue cleaning door can be set according to flue quantity.It beats Cleaning door protecting cover is opened, smaller dust in bent axle flue cooler 21 can be cleaned out out of bent axle flue cooler flue Come.
The cooling blower 15 is cooled down to bent axle flue cooler and incinerator, the bent axle flue cooler 16 are cooled down to incinerator and smoke evacuation air-introduced machine, and cooling blower blows into cold air in cooler cold air channel and incinerator Heat exchanger channels in, give exhaust gas temperature cooling, be not burned to ensure to burn furnace body, air-introduced machine protect not to be burned, row 150 degree -200 degree of the hot wind gone out can also use drying room or to subregion heating etc..This bent axle flue cooler Also it can be converted to hot-water boiler, hot-blast stove makees heat exchanger.
Operating process of the present invention is as follows:
The upper cover 3 for opening incinerator, biomass big stick-means of intimidation or biomass are first added in the first combustion chamber of waste incinerator The addition of grain fuel, biomass fuel is about 15-18 centimeters thick from high temperature resistant fire grate 6, opens air-introduced machine 17, cooling Then wind turbine 16 opens each ventilation fire door in the first combustion chamber, respectively open 2-3 centimeters of seams, such as useless with combustible on fuel Paper, waste paper box etc. are ignited fuel, and after fuel surface is all lighted, the medical waste that needs can be burned fills it up with fuel Room covers upper cover 3, allows its spontaneous firing, at this time fuel in the second combustion chamber under high temperature resistant fire grate 6 towards level three 12 direction continuous burning of secondary wind and smoke fire tube, drum pressure wind turbine 19 in opening at this time, can be clear from the observation window of the second combustion chamber fire door 8 Chu observes that the indoor fire combustion of the second burning obviously bleaches, brightens, and has a kind of dazzling feeling, then backward, fire fires along water Flat tertiary air smoke-fire-tube 13 enters the dust-settling compartment of bent axle flue cooler, is upwardly into bent axle flue 16 from dust-settling compartment, in song 4 two sides 180 degrees are carried out in axis flue 16 to turn to, and are arranged to outdoor by air-introduced machine 17 and chimney.Whole process realizes smokelessly Discharge:The reason of smokeless emission is after having 100mm-150mm fuel to be ignited above the first combustion chamber high temperature resistant fire grate, burning Flame inversely burns downwards, and burned all fuel connect fire band cigarette after being ignited and have to pass through 100mm-150mm fire beds, lead to Just with through smoke combustion is fallen 55% when crossing this fire bed, when flame enters the inside of the second combustion chamber 8, due to Middle pressure draught fan 19 To middle pressure wind is blown into Secondary Air box, the flame given in the second combustion chamber by secondary air feed air holes 9 increases oxygen that can be combustion-supporting Gas, this Secondary Air penetrate the flame of the second combustion chamber, the flammability of cigarette in flame can be fallen 40%, flame enters tertiary air When smoke-fire-tube 12, air supply line 20 three times of Middle pressure draught fan 19 blow into the tertiary air box of tertiary air smoke-fire-tube 12, herein by Tertiary air smoke-fire-tube air holes three times, again to flame increase can be combustion-supporting oxygen, this tertiary air penetrates tertiary air smoke-fire-tube In flame, the flammability of cigarette in flame can be fallen 4-5%, later enter dust-settling compartment, pass through bent axle flue cooler, Air-introduced machine, chimney are arranged to air.
In above-mentioned burning process, the substance being incinerated will produce a large amount of high temperature heat, it is necessary to incinerator and its attached Equipment cools down, and as with the arrow shown in solid in figure, the air outlet of cooling blower 15 of the invention is downward, directly blows Topmost, wind turbine volume of air supply is very big at this time for flue in bent axle flue cooler 16, and a part of cold wind is from the center of bent axle flue Pipe is blown away directly down, and another part air can be along downward in bent axle flue 16 and the chuck of bent axle flue cooler casing centre It flows, the air of the cooling in bent axle flue cooler converges in cooler hot-air channel 13, passes through cooler hot-air channel 13 Into the secondary combustion chamber heat exchanger channels 22 of incinerator, enter warm air discharge tubes 5 later, discharge is outdoor.
As shown in dotted line with the arrow in figure, at runtime, pyrotechnics passes through high temperature resistant fire grate to incinerator from the first combustion chamber Son 6, into the second combustion chamber after turn left into after tertiary air smoke-fire-tube 12, the dust-settling compartment into below bent axle flue, from Dust-settling compartment turns in first flue that 90 degree are upwardly into bent axle flue 16, and pyrotechnics point or so two-way enters in first flue In second flue, pyrotechnics point or so two-way enters in third flue in second flue, the pyrotechnics in third flue Point or so two-way enter in the 4th flue, after pyrotechnics point or so two-way enters air-introduced machine in the 4th flue, arranged from chimney Go out outdoor.
Biomass fuel when corresponding igniting is added in the combustion chamber at the end of waste incineration is wanted, to ensure that rubbish is burnt The final stage of burning can also reach ideal effect.Combustion process, dust-settling compartment shoot door 14 are closed, and secondary combustion chamber fire door is closed, First combustion chamber ventilation fire door 4 respectively opens 2-4 centimeter, air-introduced machine startup, at this time can be to the by the ventilation hole on ventilating board The automatic air feed in one combustion chamber, after ensureing that the first combustion chambers burn effect, Middle pressure draught fan 19 start, Secondary Air is with all strength to the second burning Room air feed, while the valve in tertiary-air pipe is opened, it debugs until chimney can not see cigarette.This tertiary air ignition temperature can reach To 800-1100 degree, flue gas residence time in stove fire up to 3-4 seconds, fully meets incineration temperature and the time of medical waste It is required that visual inspection, does not observe any flue dust, nose can't smell any smell in the outlet of chimney.
The present apparatus is to make double-body furnace into using single-unit furnace and change its theory of combustion, specially:In the positive burning of original boiler On the basis of, make counter-burning type by just burning, counter-burning type principle is to fill an air-introduced machine 17 in chimney breast, forces stove fire reversed downwards Backfire, when under the anti-flame burnt instead in the second combustion chamber, the middle pressure wind that secondary air feed air holes 9 is blown out penetrates flame, power-assisted combustion It burns, due to the particularity of medical waste, flue gas is big when burning, and the smell is awful, harmful, when doing medical refuse burning, Air feed three times is added again, air feed is in the tertiary air smoke-fire-tube 12 of the flame aerator transition to the left of the second combustion chamber three times Air holes 24 is pressed on top in adding three times, be that all flames in the second combustion chamber all occupy collection here to cooling at tertiary air smoke-fire-tube 12 The position of device transition, therefore tertiary air, which is added, can obtain good combustion efficiency, to be thorough clean when reaching medical refuse burning, Smokelessly, tasteless, even remaining injection liquid medicine also all dryouies in plastic bottles and plastic tube in medical waste, will not allow residue Moisture content flows to outside furnace body.
This no-smoke furnace becomes small-sized air heating furnace or hot-water boiler if the tip adds change, during burning away the refuse, Greatly clean heat is will produce, this partial heat winter can be used for heating, and summer can be used for drying, and can save one The part energy, accomplishes waste utilization.
The present invention adapts to environmental requirement, solves the problems, such as that middle and small hospital medical refuse burning, non-smoke combustion technique can transfer It is connected to miniature boiler combustion field.

Claims (4)

1. the no-smoke furnace for waste incineration, it is characterised in that:Including incinerator and bent axle flue cooler, the incinerator Including the fixed burning chamber shell inside the shell of shell and interval, it is equipped with feed inlet at the top of the burning chamber shell, Upper cover is installed on the feed inlet, in the horizontal direction between the upper and lower every being equipped with high temperature resistant stove in the combustion chamber shell body Grate and secondary combustion chamber bottom plate, the region in combustion chamber shell body above the high temperature resistant fire grate are the first combustion chamber, Combustion chamber shell interior body region between the high temperature resistant fire grate and secondary combustion chamber bottom plate is the second combustion chamber, described two Secondary combustion chamber soleplate is groove type structure, is spaced in the opening opened up and divides on the burning chamber shell at the first combustion chamber It is not provided with and communicated with the vent passages for stretching out shell, it is logical at the doorway that the vent passages described in each stretch out shell setting It crosses ventilation firedoor frame and is fixed with one piece of ventilating board, multiple ventilation holes are provided on the ventilating board described in each piece as the first burning Air-intake device of room is connected with the ventilation fire door that can be opened and closed by shaft on each ventilation firedoor frame, The observation channel of a stretching shell is provided with and communicated in the opening of burning chamber shell at second combustion chamber, in institute The observation channel stated, which is stretched out at the nozzle that shell is arranged, is fixed with secondary combustion chamber firedoor frame, in the secondary combustion chamber fire door The fire door that can be opened and closed is connected with by shaft on frame, windowpane is provided among the fire door to watch burning Effect, Secondary Air box are mounted on the burning chamber shell outer wall at the second combustion chamber position, described secondary Multiple secondary air feed air holes are provided on burning chamber shell in wind box, the outlet of a middle drum pressure wind turbine is by passing through shell to be arranged Secondary air channel be connected with Secondary Air pod interface, be connected with warm air discharge tubes in the shell upper of the incinerator, it is described Shell and burning chamber shell between cavity constitute heat exchanger channels, the warm air discharge tubes and heat exchanger channels are interconnected, The bent axle flue cooler includes cooler casing and the dust-settling compartment for being arranged at intervals on lower part in the cooler casing, The bent axle flue being vertically arranged is communicated on the roof of the dust-settling compartment, the bent axle flue is bent axle shape knot Structure, the bent axle shape structure are made of the rod journal and trunnion of alternate communication, and the rod journal and trunnion are Hollow structure is vertically provided with central tube, the center of the trunnion described in each in the centre of each trunnion The cavity of cavity and rod journal between the outer wall of pipe and the inner wall of trunnion be for flue gas by channel, the song The trunnion of axis flue top is connected to the chimney import level across cooler casing, is installed on the chimney breast There is air-introduced machine, cooling blower is installed at the top of the cooler casing, between the cooler casing and bent axle flue Cavity, the cavity between cooler casing and dust-settling compartment and central tube cavity collectively form cold air channel, it is described The outlet of cooling blower is connected with cold air channel, and the opening on the side wall of the dust-settling compartment passes through depositing dust pipeline and cooling Cleaning door on device shell is connected, and dust-settling compartment shoot door is equipped on the cleaning door, and one horizontally disposed Tertiary air box one end be fixed on the lower part of the cooler casing and the other end is fixed on the shell of incinerator, in institute Setting is there are one tertiary air smoke-fire-tube in the tertiary air box stated, described tertiary air smoke-fire-tube one end pass through the shell of incinerator with On second combustion chamber and the burning chamber shell being welded at the second combustion chamber, the other end of the tertiary air smoke-fire-tube is worn Subcooler shell is connected with dust-settling compartment and is welded on dust-settling compartment side wall, is opened on the tube wall of the tertiary air smoke-fire-tube There are multiple air holes three times, multiple air holes three times are opened in the level of smoke-fire-tube 180 degree position more than axial section, described Tertiary air box be connected with secondary air channel by being equipped with the tertiary-air pipe of air adjusting valve, in the tertiary air box lower part Cooler hot-air channel is provided with and communicated between cooler casing and the shell of incinerator so that the cooler hot-air channel It is connected to cold air channel and heat exchanger channels.
2. the no-smoke furnace according to claim 1 for waste incineration, it is characterised in that:Multiple ventilation holes it is straight Diameter is 6-8 millimeters.
3. the no-smoke furnace according to claim 1 or 2 for waste incineration, it is characterised in that:The second-time burning The distance between room bottom plate and high temperature resistant fire grate are 200-220mm.
4. the no-smoke furnace according to claim 1 or 2 for waste incineration, it is characterised in that:Each trunnion Shell is connected with the flue cleaning pipe that one is stretched out cooler casing setting, is stretched out outside cooler in the flue cleaning pipe Cleaning door protecting cover is installed at the flue cleaning door of shell setting.
CN201610972691.0A 2016-10-28 2016-10-28 No-smoke furnace for waste incineration Expired - Fee Related CN106402895B (en)

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CN107576202B (en) * 2017-08-25 2024-03-19 苏州南北深科智能科技有限公司 Sintering furnace for processing solar silicon wafer
CN108413406B (en) * 2018-02-28 2024-03-22 浙江大学城市学院 Fully incinerated garbage incineration device and application method thereof
CN109373319B (en) * 2018-09-27 2019-12-03 合浦县市政管理局 Garbage combustion device

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CN2348254Y (en) * 1998-08-21 1999-11-10 成都长城环保设备总厂 Reburning multi-purpose incinerator
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