CN201662068U - Minitype high-efficiency medical rubbish pyrolysis incinerator - Google Patents
Minitype high-efficiency medical rubbish pyrolysis incinerator Download PDFInfo
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- CN201662068U CN201662068U CN2009202426959U CN200920242695U CN201662068U CN 201662068 U CN201662068 U CN 201662068U CN 2009202426959 U CN2009202426959 U CN 2009202426959U CN 200920242695 U CN200920242695 U CN 200920242695U CN 201662068 U CN201662068 U CN 201662068U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Abstract
The utility model relates to a minitype high-efficiency medical rubbish pyrolysis incinerator, belonging to the rubbish incineration processing equipment; the minitype high-efficiency medical rubbish pyrolysis incinerator solves the problems that the combustor has simple structure, auxiliary fuel is needed to add, the temperature can not be controlled accurately, and cloth bag dedusting has defects and the like; a furnace hearth is composed of a pyrolysis vaporizing chamber, a solid phase combustion chamber, an air phase combustion chamber and a flue gas processing chamber; the solid phase combustion chamber is arranged below the pyrolysis vaporizing chamber and is communicated with the pyrolysis vaporizing chamber by a reticular furnace, the air phase combustion chamber and the pyrolysis vaporizing chamber are arranged in parallel, and the top parts of the air phase combustion chamber and the pyrolysis vaporizing chamber are communicated by a gas flue, and the flue gas processing chamber, the air phase combustion chamber and the pyrolysis vaporizing chamber are arranged in parallel, the air phase combustion chamber is communicated with the lower part of the flue gas processing chamber and the air phase combustion chamber and the flue gas processing chamber are respectively provided with fire-resistant baffle plates, and a reticular fire grate is arranged at the lower part of the air phase combustion chamber; electrical-heating and automatic temperature control system controls and measures the temperature in the furnace in a real-time manner; a high-temperature particle dedusting filtering device avoids dioxin regeneration, and the cost is reduced; the medical rubbish can be incinerated efficiently and cleanly on the aspects such as furnace type design, ignition combustion mode, temperature measurement and control and high-temperature flue gas processing and the like.
Description
Technical field
The utility model belongs to solid combustible refuse high temperature incineration processing technology field, relates in particular to a kind of small-sized efficient pyrolytic incinerator for medical garbage with the high temperature fume dust removal filter.
Background technology
Medical waste belongs to extraordinary rubbish, is the refuse with direct or indirect infectivity, toxicity and other harmfulness that medical treatment, health, health institution produce in its medical treatment, disease-prevention or healthcare and other correlated activations.These refuses contain infectious agents such as a large amount of germs, virus and parasite, have dangerous features such as space infection, acute infection and latent infection, be considered the fatal killer of top danger abroad, China also classifies it as the number one hazardous waste in " national hazardous waste register ".At present, hazardous wastes such as medical waste have become serious social effects of pollution, and it is handled problems and receives people's concern day by day.If poor management or mishandling very easily becomes the source of transmission, cause serious environmental to pollute the serious harm health.
According to national regulation, the complexity in view of categorised collection, packing and the transportation of clinical waste for centralized medical waste treatment, should adopt elevated temperature heat incineration disposal technology.Yet the medical waste in the most of area of China is still disperseed to dispose by each medical and health organization, and intervention level and effect are uneven, causes producing secondary pollution in medical waste loss and the disposal process.The core of solid dangerous waste elevated temperature heat incineration disposal technology is to remove poisonous and harmful substance in the refuse by the mode of high-temperature heat treatment, and reaches fully to subtract and hold and the purpose of stabilized ash.Temperature Distribution and variation have decisive role to the discharging of incineration disposal efficient, ash erosion and pollutant generation and hazardous contaminants such as discharging, particularly dioxin in the incineration disposal process.Traditional incinerator is based on direct burning, because medical waste is formed complexity, water content is high, calorific value is low, so type of furnace design can not adapt to the clinical waste feature, can't effectively control burning condition, it is low or unstable to cause incineration temperature skewness, temperature to be crossed, flue gas is short at residing time in furnace, easily produces the incomplete combustion situation; Simultaneously, air demand is big, make pollutants such as heavy metal and dioxin produce in a large number, exhaust gas volumn is big, fume amount height, smoke processing system complexity, the recuperation of heat utilization rate is extremely low, and need a large amount of auxiliary fuels such as outer coal, oil or gas combustion-supporting in the burning process, produce newly and pollute, cause investment and maintenance operation cost high.
At present, domestic incinerator for medical garbage manufacturing enterprise product technology performance meets the few of environmental protection standard, and it is excessive to introduce external comparatively ripe equipment investment, does not also meet the weak present situation of the local financial resources relative thin of present China.
Pyrolytic incineration handle be that medical waste is innoxious, the effective means of minimizing and stabilization processes.Burn pathogen such as the germ can thoroughly kill in the rubbish, virus by high temperature pyrolysis, make organic matter and other combustibles change innocuous gas and stable inorganic lime-ash into.The characteristics of pyrolytic incineration technology are to utilize the calorific value of rubbish itself to carry out pyrolysis.The operation principle of pyrogenation incinerator is: adopt air in shortage (oxygen debt or anaerobic condition) organic matter in the rubbish to be dried in pyrolysis gasification furnace and pyrolysis (cracking) one-tenth H at a certain temperature
2, CO and short chain CH
4, C
2H
2, C
2H
6Deng fuel gas, these pyrolysis gas enter secondary combustion chamber and sufficient secondary combustion air high temperature complete oxidation burning again, this is a kind ofly to change incomplete burning process the type of furnace of gas completing combustion process into, can be widely used in the burning disposal of medical waste, various on-radiation industrial refuse and urban and rural domestic refuse.CN200320100161.5 discloses a kind of " homogenizing pyrolysis incinerator for medical garbage in the bed ", it comprises pyrolysis vaporizer and the dual firing chamber that is arranged in juxtaposition, dual firing chamber is divided into two with fire-resisting partition can supply the upwards mobile locellus in the downward earlier back of flue gas, the pyrolysis vaporizer top has aditus laryngis to link to each other with dual firing chamber, and pipe is connected with spray cooling device.This incinerator compact conformation, flue gas flow is long, burns effectively, and the flue gas after the burning can be lowered the temperature rapidly behind spray cooling device.CN200820091538.8 discloses a kind of " municipal refuse fuel thermal decomposition gasification burning furnace structure ", its burner hearth is by first, the second and the 3rd combustion chamber constitutes, the first and the 3rd combustion chamber same level is provided with, the inner chamber of the 3rd and first combustion chamber constitutes the conical gas mixing bunker, and be interconnected by the gas mixing bunker, second combustion chamber is arranged on first and three-barreled lower end, chain-arranged type fire grate and reciprocating fire grate are set respectively in first and second combustion chambers, and chain-arranged type fire grate and reciprocating fire grate constitute the continuous structure for conveying of fuel in first and second combustion chamber.This incinerator is simple in structure, and sufficient combustion does not add any combustion-supporting material, has reduced the garbage disposal cost, can make full use of the incineration firing heat.Above-mentioned prior art all is the better equipment of waste disposal such as medical waste, but also come with some shortcomings: the gas combustion cell structure is too simple, cause that the gas turbulence degree is weak, flow velocity is fast, the time of staying is short, need add auxiliary fuel, the accurately observing and controlling of pyrolytic incineration temperature, flue-gas dust removal and purification adopts traditional sack cleaner etc., need do cooling earlier and handle, easily produce new the pollution, increase investment and maintenance operation expense etc.
Summary of the invention
Task of the present utility model provides a kind of small-sized efficient pyrolytic incinerator for medical garbage with the high temperature fume dust removal filter, overcome the prior art above shortcomings from aspects such as type of furnace design, ignition combustion mode, measurement and control of temperature and high-temperature flue gas processing, make medical waste obtain the high effect cleaning burning disposal.This incinerator does not need auxiliary fuel to the wide adaptability of rubbish, and burning is thorough, and floor space is little, and is easy and simple to handle, is user-friendly to.
The technical solution adopted in the utility model is: the small-sized efficient pyrolytic incinerator for medical garbage, by body of heater, electrical heating and automatic temperature-adjusting TT﹠C system, ventilating system, deslagging device and supporting flue and high-temperature particle dedusting filter constitute, body of heater comprises furnace wall and burner hearth, the furnace wall comprises steel shell and liner refractory insulating layer, it is characterized in that: the described burner hearth of A. is by pyrolysis vaporizer, solid phase burning chamber, gas-phase combustion chamber and flue gas process chamber constitute, solid phase burning chamber is positioned at the below of pyrolysis vaporizer, gas-phase combustion chamber and pyrolysis vaporizer are arranged in juxtaposition, flue gas process chamber and gas-phase combustion chamber are arranged in juxtaposition, and are arranged in juxtaposition with pyrolysis vaporizer; B. described pyrolysis vaporizer bottom, be that level is provided with the netted fire grate of two rows between pyrolysis vaporizer and the solid phase burning chamber, the pyrolysis vaporizer top is communicated with the gas-phase combustion chamber by a horizontal flue, flue by gas-phase combustion chamber one end above be equipped with the tangential secondary air mouth that can control intake, pyrolysis vaporizer's one wing furnace wall is provided with charging aperture, described charging aperture can be Packed the discharging opening sealing butt joint of autofeed mechanism; C. described solid phase burning chamber one side is equipped with the air inlet of level that can control intake, solid phase burning chamber bottom evenly offers many holes, communicate with the deslagging device of below by these holes, solid phase burning chamber bottom also is equipped with stirs rake, stir rake and connect turning cylinder, turning cylinder extend in the deslagging device of below, turning cylinder is driven by drive link, adorn one group of bevel gear between the two, drive link reaches outside the deslagging device, the optional motor of using drives the drive link rotation behind deceleration device, also can adorn handle by manually shaking drive link; D. described gas-phase combustion chamber lower horizontal is provided with the netted fire grate of a row, and gas-phase combustion chamber bottom evenly offers many holes, communicates with the deslagging device of below by these holes, and interlocking on the relative two vertical furnace walls, gas-phase combustion chamber is provided with the refractory baffle of oblique below; E. described flue gas process chamber is communicated with in the bottom with the gas-phase combustion chamber, and total bottom, flue gas process chamber bottom one side is equipped with alkaline deacidification agent and reaction promoter dry powder injection apparatus, the staggered refractory baffle that is provided with oblique below on the relative two vertical furnace walls of flue gas process chamber, flue gas process chamber top is provided with supporting flue.
Body of heater of the present utility model can be fixed, also can be portable, and body of heater can be made cylinder type or polygonal, and the big I of the specification of body of heater is determined according to the quantity of refuse of per hour handling.Appropriate location in the furnace wall of pyrolysis vaporizer, solid phase burning chamber and gas phase combustion chamber is respectively equipped with observation window.Be respectively equipped with access door at pyrolysis vaporizer, solid phase burning chamber, gas-phase combustion chamber and flue gas process chamber.
Described electrical heating and automatic temperature-adjusting TT﹠C system are made of thermocouple, measurement and control of temperature instrument, phase shift block and resistance wire, have two cover TT﹠C systems: the resistance wire of a cover TT﹠C system is arranged on the following grate furnace row of pyrolysis vaporizer bottom, thermocouple is arranged on pyrolysis vaporizer's center of top, the resistance wire of another set of TT﹠C system is arranged on the fire grate of bottom, gas-phase combustion chamber, thermocouple is arranged on gas-phase combustion chamber center of top, and the measurement and control of temperature instrument of two cover TT﹠C systems all concentrates on the control panel of pyrogenation incinerator.
Described ventilating system is by high pressure positive blower, air preheater, air-introduced machine, pipeline and valve constitute, the air inlet of high pressure positive blower can be by pipeline connection medical waste temporary room, the air outlet of high pressure positive blower is communicated with air preheater, air preheater is positioned at one section at supporting flue middle part, and sealed packet is round this section flue, can there be many hollow pipes tangentially to run through wherein in this section flue, air after the preheating is communicated with an air inlet that is positioned at solid phase burning chamber one side by 1 road pipeline and valve, be communicated with the secondary air mouth that is positioned at the flue top that connects pyrolysis vaporizer and gas phase combustion chamber by 2 road pipelines and valve, air-introduced machine is positioned at supporting flue top.
Two altogether of described deslagging devices a: below that is positioned at solid phase burning chamber, and the hole bottom solid phase burning chamber communicates with solid phase burning chamber, another is positioned at the below of gas-phase combustion chamber and flue gas process chamber, and communicate with gas-phase combustion chamber and flue gas process chamber by the hole of the total bottom of gas-phase combustion chamber and flue gas process chamber, the slag notch of deslagging device bottom is equipped with lock wind blow valve, and described slag notch can have the slag inlet sealing butt joint that is positioned at the slag trapping box on the handcart.
Described high-temperature particle dedusting filter is positioned at supporting flue bottom, comprise two dust removal filters up and down, dust removal filter is made of stainless steel sift net cage and dress high-temperature resistant particle filtrate (as sand) within it, dust removal filter can take out or put into from side, the stainless steel sift net cage can produce reciprocating type fast sieving by driven by motor, granule filter material bed thickness 10～20cm, granule filter material particle diameter in lower floor's dust removal filter is thick, and the granule filter material particle diameter in the dust removal filter of upper strata is thin.
The beneficial effects of the utility model:
1. adopt unique furnace type structure design, one stove, four Room (pyrolysis vaporizer, solid phase burning chamber, gas-phase combustion chamber and flue gas process chamber), make " medical treatment (danger) waste incinerator " that national regulation forbids adopt the problem of modular chamber structure to obtain real solution, thereby with drying garbage, pyrolysis, burn, burn and being combined as a whole of flue-gas dust removal and purification equipment.
2. rubbish subtracts the appearance decrement than big, efficiency of combustion and burnout rate height, the lime-ash stable performance: the refuse pyrolysis burning facility is for being arranged vertically, rubbish stirs burning in solid phase burning chamber lime-ash can enter in lower floor's rubbish of pyrolysis vaporizer with the high temperature gas flow rising again, so can make the burning of rubbish repeated multiple times.By garbage dewatering drying, pyrolytic gasification, volatilization gas combustion by evaporation and fixed carbon being burnt one by one interim reaction, effectively increase rubbish and subtract appearance decrement ratio, improve efficiency of combustion and burnout rate, the lime-ash stable performance.
3. the innoxious degree height of flue gas: rubbish does not stir at the indoor anaerobic pyrolysis of pyrolytic gasification, can not produce big air disturbance, and the exhaust gas volumn of generation is few, fume amount is low, and the dioxin of generation etc. are less.Flue gas is in the indoor high-temperature oxygen-enriched burning of gas-phase combustion and the sufficient time of staying is arranged, and poisonous and harmful substances such as a small amount of dioxin that pathogen such as the assurance fuel gas fully burns, germ virus are thoroughly killed and generated and foul gas are by fully cracking.High-temperature dust removal purifies the regeneration of having avoided pollutants such as dioxin, realizes that effectively the discharging flue gas is innoxious.
4. the high-temperature gas of incineration firing generation carries out the drying intensification to top rubbish, and the fuel gas that pyrolysis vaporizer produces is as the fuel of gas-phase combustion chamber, and combustion air can be saved power consumption through the air preheater preheating.
But 5. by the temperature conditions in electrical heating and the automatic temperature-adjusting TT﹠C system real-time monitored pyrogenation incinerator, and the stability of raising temperature, poisonous and harmful substance is fully burnt, avoid inefficient combustion to produce pollutants such as dioxin.
6. combustion air has effectively improved combustion position through the air preheater preheating, prolongs air-introduced machine service life, comprehensive efficiency of utilization height.
7. adopt the high-temperature particle dedusting filter to replace traditional sack cleaner etc. to carry out flue-gas dust removal and purification, reduced investment and maintenance operation expense.
8. whole pyrolytic incineration and flue-gas dust removal and purification process are in little negative pressure, the accurate airtight operating mode carries out, do not need auxiliary fuel, an electricity consumption and air, clean, safety, can be widely used in the burning disposal of various rubbish, the innoxious burning that is particularly suitable for the extraordinary rubbish of poisonous and harmful is handled.
9. whole system is simple and compact for structure, and each member and equipment processing are simple, and fault rate is low, stable and reliable operation.
Description of drawings
Fig. 1 is the structural representation of a kind of embodiment of the utility model.
Fig. 2 is the A-A cutaway view of Fig. 1.
Fig. 3 is the B-B cutaway view of Fig. 1.
Fig. 4 is a main technique flow chart of the present utility model.
Among the figure: 1-furnace wall, 2-pyrolysis vaporizer, 3-solid phase burning chamber, 4-gas-phase combustion chamber, 5-flue gas process chamber, the netted fire grate of 6-, 7-flue, 8-secondary air mouth, 9-charging aperture, air inlet of 10-, 11-stirs rake, 12-turning cylinder, 13-drive link, the netted fire grate of 14-, 15-refractory baffle, 16-alkalescence deacidification agent and reaction promoter injection apparatus, the 17-refractory baffle, 18-flue, 19-resistance wire, the 20-thermocouple, 21-resistance wire, 22-thermocouple, the 23-high pressure positive blower, 24-air preheater, 25-air-introduced machine, the 26-hollow pipe, 27-1 road pipeline, 28-valve, 29-2 road pipeline, 30-valve, 31-deslagging device, 32-lock wind blow valve, 33-deslagging device, 34-lock wind blow valve, 35-high-temperature particle dedusting filter, 36-stainless steel sift net cage, 37-granule filter material.
The specific embodiment
The utility model is described in further detail below in conjunction with accompanying drawing.
Referring to Fig. 1,2,3, the small-sized efficient pyrolytic incinerator for medical garbage that the utility model provides, by body of heater, electrical heating and automatic temperature-adjusting TT﹠C system, ventilating system, deslagging device 31,33 and supporting flue 18 and high-temperature particle dedusting filter 35 constitute, body of heater comprises furnace wall 1 and burner hearth, furnace wall 1 comprises steel shell and liner refractory insulating layer, it is characterized in that: the described burner hearth of A. is by pyrolysis vaporizer 2, solid phase burning chamber 3, gas-phase combustion chamber 4 and flue gas process chamber 5 constitute, solid phase burning chamber 3 is positioned at the below of pyrolysis vaporizer 2, gas-phase combustion chamber 4 is arranged in juxtaposition with pyrolysis vaporizer 2, flue gas process chamber 5 is arranged in juxtaposition with gas-phase combustion chamber 4, and is arranged in juxtaposition with pyrolysis vaporizer 2; B. described pyrolysis vaporizer 2 bottoms, be that level is provided with the netted fire grate 6 of two rows between pyrolysis vaporizer 2 and the solid phase burning chamber 3, pyrolysis vaporizer 2 tops are communicated with gas-phase combustion chamber 4 by a horizontal flue 7, be equipped with the tangential secondary air mouth 8 that to control intake at flue 7 above by gas-phase combustion chamber 4 one ends, pyrolysis vaporizer's 2 one wing furnace walls 1 are provided with charging aperture 9, described charging aperture 9 can be Packed the discharging opening sealing butt joint of autofeed mechanism, autofeed mechanism is set both can saves manpower, avoid operating personnel in feeding operation, directly to contact again, avoid producing cross-infection and secondary pollution with the high rubbish material of danger; C. described solid phase burning chamber 3 one sides are equipped with the air inlet 10 of level that can control intake, solid phase burning chamber 3 bottoms evenly offer many holes, communicate with the deslagging device 31 of below by these holes, solid phase burning chamber 3 bottoms also are equipped with stirs rake 11, stir rake 11 and connect turning cylinder 12, turning cylinder 12 extend in the deslagging device 31 of below, turning cylinder 12 is driven by drive link 13, adorn one group of bevel gear between the two, drive link 13 reaches outside the deslagging device 31, the optional motor of using drives drive link 13 rotations behind deceleration device, also can adorn handle by manually shaking drive link 13; D. described gas-phase combustion chamber 4 lower horizontal are provided with the netted fire grate 14 of a row, 4 bottoms, gas-phase combustion chamber evenly offer many holes, communicate with the deslagging device 33 of below by these holes, the staggered refractory baffle 15 that is provided with oblique below on the relative two vertical furnace walls 1, gas-phase combustion chamber 4, this structure of gas-phase combustion chamber 4 increases the flue gas turbulivity, the reducing smoke flow velocity, the prolong smoke time of staying, improve smoke combustion efficient, making it to meet last " 3T+E " that adopts of burning (improves at the time of staying of high-temperature region Time, improve fire box temperature Temperature, improve turbulivity Torrent and excess air coefficient Excess air in the burner hearth) principle, can significantly reduce the concentration of dioxin in the flue gas of discharging burner hearth and the flying dust and predecessor thereof, gas-phase combustion chamber 4 has the effect of flue gas expansion chamber concurrently; E. described flue gas process chamber 5 and gas-phase combustion chamber 4 are communicated with in the bottom, and total bottom, flue gas process chamber 5 bottoms one side is equipped with alkaline deacidification agent and reaction promoter dry powder injection apparatus 16, the staggered refractory baffle 17 that is provided with oblique below on the relative two vertical furnace walls 1 of flue gas process chamber 5, this structure increases the flue gas turbulivity, the reducing smoke flow velocity, the prolong smoke time of staying, alkaline deacidification agent that helps spraying and reaction promoter mix with flue gas is full and uniform.When the high-temperature flue gas after burning entered flue gas process chamber 5, the alkaline deacidification agent of injection and reaction promoter evenly were mixed in the flue gas, the HCl in alkaline deacidification agent and the flue gas, H
2S, SO
2Generate harmless salt Deng sour gas generation neutralization reaction, heavy metal and the dioxin in the flue gas removed in reaction promoter absorption.Flue gas process chamber 5 tops are provided with supporting flue 18, and flue gas process chamber 5 has the effect of flue gas expansion chamber concurrently.
The utility model is respectively equipped with observation window in the appropriate location of the furnace wall 1 of pyrolysis vaporizer 2, solid phase burning chamber 3 and gas phase combustion chamber 4, is convenient to observe the combustion case in the stove.Be respectively equipped with access door at pyrolysis vaporizer 2, solid phase burning chamber 3, gas-phase combustion chamber 4 and flue gas process chamber 5.
Described electrical heating and automatic temperature-adjusting TT﹠C system are by thermocouple 20,22, measurement and control of temperature instrument, phase shift block and resistance wire 19,21 constitute, have two cover TT﹠C systems: the resistance wire 19 of a cover TT﹠C system is arranged on the following grate furnace row 6 of pyrolysis vaporizer 2 bottoms, thermocouple 20 is arranged on pyrolysis vaporizer's 2 center of top, the resistance wire 21 of another set of TT﹠C system is arranged on the fire grate 14 of 4 bottoms, gas-phase combustion chamber, thermocouple 22 is arranged on gas-phase combustion chamber 4 center of top, and the measurement and control of temperature instrument of two cover TT﹠C systems all concentrates on the control panel of pyrogenation incinerator.Electrical heating and automatic temperature-adjusting TT﹠C system can be regulated heating power automatically according to thermocouple 20,22 feedback informations and reach purpose of energy saving.
Described ventilating system is by high pressure positive blower 23, air preheater 24, air-introduced machine 25, pipeline 27,29 and valve 28,30 constitute, the air inlet of high pressure positive blower 23 can be by pipeline connection medical waste temporary room, the air that the medical waste temporary room can be included stink is sent into the incinerator burning disposal, eliminate its pollution to environment, the air outlet of high pressure positive blower 23 is communicated with air preheater 24, air preheater 24 is positioned at one section at supporting flue 18 middle parts, and sealed packet is round this section flue 18, can there be many hollow pipes 26 tangentially to run through wherein in this section flue 18, strengthen heat exchange function, air after the preheating is communicated with an air inlet 10 that is positioned at solid phase burning chamber 3 one sides by 1 road pipeline 27 and valve 28, be communicated with the secondary air mouth 8 that is positioned at flue 7 tops that connect pyrolysis vaporizer 2 and gas phase combustion chamber 4 by 2 road pipelines 29 and valve 30, air-introduced machine 25 is positioned at supporting flue 18 tops.
Two altogether of described deslagging devices 31,33 a: below that is positioned at solid phase burning chamber 3, and communicate with solid phase burning chamber 3 by the hole of solid phase burning chamber 3 bottoms, another is positioned at the below of gas-phase combustion chamber 4 and flue gas process chamber 5, and communicate with gas-phase combustion chamber 4 and flue gas process chamber 5 by the hole of gas-phase combustion chamber 4 and flue gas process chamber 5 total bottoms, the slag notch of deslagging device 31,33 bottoms is equipped with lock wind blow valve 32,34, described slag notch can have the slag inlet sealing butt joint that is positioned at the slag trapping box on the handcart, preventing that the dirt slag from overflowing flies upward, and influences environmental sanitation.
Described high-temperature particle dedusting filter 35 is positioned at supporting flue 18 bottoms, comprise two dust removal filters up and down, dust removal filter is made of stainless steel sift net cage 36 and dress high-temperature resistant particle filtrate 37 (as sand) within it, dust removal filter can take out or put into from side, stainless steel sift net cage 36 can produce reciprocating type fast sieving by driven by motor, the dust that sieve falls to filtering, granule filter material 37 bed thickness 10～20cm, granule filter material 37 particle diameters in lower floor's dust removal filter are thick, 2～4mm, granule filter material 37 particle diameters in the dust removal filter of upper strata are thin, 0.5～1mm.The thin two-layer filtrate combination in lower coarse upper strata integrates coarse filtration and the smart double-filtration that filters, and can obtain high filter efficiency (more than 99.9%) and low pressure drop simultaneously.When high-temperature flue gas passes the particle filter course, dust that flue dust, flue gas process chamber 5 neutralization reactions and suction-operated produce and excessive alkaline deacidification agent and reaction promoter are caught for 37 layers by granule filter material together, can continue neutralization reaction and suction-operated take place, make the flue gas cleaning discharging.Adopt high-temperature particle dedusting filter 35 to purify flue gas, generate hazardous contaminants such as dioxin in the time of can avoiding flue gas cool-down, improve the UTILIZATION OF VESIDUAL HEAT IN level simultaneously.Owing to when being higher than 500 ℃, remove dust particle, can eliminate and contain Cu
2+Generate the product nucleus of urging the matchmaker Deng dioxin, avoided the regeneration of dioxin.
The course of work: referring to Fig. 4, by autofeed mechanism or hand feed, rubbish material enters pyrolysis vaporizer 2 from charging aperture 9, quantity of refuse accounts for 2/3rds of pyrolysis vaporizer's 2 dischargeable capacitys, by electrical heating and automatic temperature-adjusting TT﹠C system starting resistance silk 19,21 heating, orlop rubbish is lighted, in pyrolysis vaporizer 2, send into simultaneously the air of required air quantity 10%～20% from solid phase burning chamber 3 by air inlet 10, begin to be cold air, just become preheated air gradually, after 20 minutes air capacity is increased to 30%～50%, the high-temperature gas that produces passes waste layer from bottom to top, make the rubbish preheating that heats up gradually, rubbish is very fast to form the top-down layer that dehydrates successively under the reducing atmosphere of anoxic, pyrolytic gasification layer and oxidizing fire layer, and keep pyrolysis vaporizer's 2 interior temperature at 700 ℃, produce a large amount of fuel gas and carbon granule, lime-ash etc.Because pyrolysis vaporizer 2 mainly is middle temperature anaerobic pyrolysis, is unlikely to cause the fusing and the volatilization of metal, so does not have the metal oxide of catalysis dioxin generation in the flue gas, effectively reduced the growing amount of dioxin; In addition, rubbish does not stir in the anaerobic pyrolysis gasification in the pyrolysis vaporizer 2, can not produce big air disturbance, so the exhaust gas volumn that produces is few, fume amount is low.The carbon granule that pyrolysis vaporizer 2 produces, incomplete pyrolysis solid formation such as lime-ash enters solid phase burning chamber 3 by netted fire grate 6, under the stirring of stirring rake 11, fully mix with the preheated air that sprays into from air inlet 10, combustible wherein can burn away, produce the high-temperature flue gas that rises, continuously pre-heating intensification waste layer, high-temperature flue gas with lime-ash by throwing in lower floor's rubbish of pyrolysis vaporizer 2, fall into solid phase burning chamber 3 repeated combustion so repeatedly, thoroughly burn, consume in the combustion process and send into airborne most of oxygen, thereby keep the anaerobic environment of pyrolysis vaporizer 2.Stir the stirring of rake 11 and also can smash big cinder block, help deslagging, can carry out regular labor cleaning by access door the bulk slag of not smashing in the solid phase burning chamber 3.Simultaneously, the fuel gas that pyrolysis vaporizer 2 produces and a small amount of flue dust enter the flue 7 that connects pyrolysis vaporizer 2 and gas-phase combustion chamber 4 with flue gas, tangentially sprayed into the preheated air strong disturbance of required air quantity about 300% and fully mixing from secondary air mouth 8, enter gas-phase combustion chamber 4 then, form strong flue gas turbulent flow again, more than the gas residence time 2s, fully burning cracking under the high temperature strong oxidizing atmosphere, the cracking that also can burn away of a small amount of flue gas in flue gas process chamber 5 bottoms.Guarantee that by electrical heating and automatic temperature-adjusting TT﹠C system temperature are higher than 1200 ℃ in the gas-phase combustion chamber 4, make poisonous and harmful substances such as a small amount of dioxin that pathogen such as fuel gas fully burns, germ virus are thoroughly killed and generate and foul gas by fully cracking.Therefore, the follow-up udst separation of flue gas is handled fairly simple.Fully the high-temperature flue gas of burning cracking is after flue gas process chamber 5 and high-temperature particle dedusting filter 35 purified treatment, through air preheater 24 heat exchange cooling, by air-introduced machine 25 clean discharges.The lime-ash that pyrolytic incineration produces and after the dust that flue gas process chamber 5 is handled, high-temperature particle dedusting filter 35 filters enters deslagging device 31,33 coolings, open lock wind blow valve 32,34, fall into the slag trapping box that is positioned on the handcart through slag notch, lime-ash is transported and dealt carefully with.
The utility model adopts unique furnace type structure design, can guarantee medical waste at the indoor rapid oven dry of pyrolytic gasification, pyrolytic gasification, and fully burning not adding under any auxiliary fuel condition, thoroughly burns medical waste in solid phase burning chamber; Simultaneously, can fully increase gas-phase combustion chamber flue gas turbulivity, the reducing smoke flow velocity, increase flue gas in the time of staying of high temperature combustion zone, strengthen flue gas and mix, realize high-temperature oxygen-enriched burning with air, thoroughly decompose poisonous and harmful substance wherein, thereby make medical waste obtain efficient burning disposal.By flue gas process chamber and high-temperature particle dedusting filter high-temperature flue gas is carried out udst separation, discharged flue gas does not cause secondary pollution to environment after the burning disposal.
The above is a kind of embodiment of the present utility model, but is not limited in this.Other modification and the improvement made for foundation the utility model essence are all at protection domain of the present utility model.
Claims (6)
1. small-sized efficient pyrolytic incinerator for medical garbage, comprise: body of heater, electrical heating and automatic temperature-adjusting TT﹠C system, ventilating system, deslagging device (31,33) and supporting flue (18) and high-temperature particle dedusting filter (35), body of heater comprises furnace wall (1) and burner hearth, furnace wall (1) comprises steel shell and liner refractory insulating layer, it is characterized in that:
A. described burner hearth is made of pyrolysis vaporizer (2), solid phase burning chamber (3), gas-phase combustion chamber (4) and flue gas process chamber (5), solid phase burning chamber (3) is positioned at pyrolysis vaporizer (2) below, gas-phase combustion chamber (4) is arranged in juxtaposition with pyrolysis vaporizer (2), flue gas process chamber (5) is arranged in juxtaposition with gas-phase combustion chamber (4), and is arranged in juxtaposition with pyrolysis vaporizer (2);
B. described pyrolysis vaporizer (2) bottom, be that level is provided with the netted fire grate of two rows (6) between pyrolysis vaporizer (2) and the solid phase burning chamber (3), pyrolysis vaporizer (2) top is communicated with gas-phase combustion chamber (4) by a horizontal flue (7), lean on the top of gas-phase combustion chamber (4) one ends to be equipped with the tangential secondary air mouth (8) that to control intake at flue (7), pyrolysis vaporizer's (2) one wing furnace walls (1) are provided with charging aperture (9), described charging aperture (9) can be Packed the discharging opening sealing butt joint of autofeed mechanism;
C. described solid phase burning chamber (3) one sides are equipped with the air inlet of level (10) that can control intake, solid phase burning chamber (3) bottom evenly offers many holes, communicate with the deslagging device (31) of below by these holes, solid phase burning chamber (3) bottom also is equipped with stirs rake (11), stir rake (11) and connect turning cylinder (12), turning cylinder (12) extend in the deslagging device (31) of below, turning cylinder (12) is driven by drive link (13), adorn one group of bevel gear between the two, drive link (13) reaches outside the deslagging device (31), optionally behind deceleration device, drive drive link (13) rotation, also can adorn handle by manually shaking drive link (13) with motor;
D. described gas-phase combustion chamber (4) lower horizontal is provided with row's netted fire grate (14), bottom, gas-phase combustion chamber (4) evenly offers many holes, communicate with the deslagging device (33) of below by these holes, the staggered refractory baffle (15) that is provided with oblique below is gone up in two relative vertical furnace walls (1) of gas-phase combustion chamber (4);
E. described flue gas process chamber (5) is communicated with in the bottom with gas-phase combustion chamber (4), and total bottom, flue gas process chamber (5) bottom one side is equipped with alkaline deacidification agent and reaction promoter dry powder injection apparatus (16), the staggered refractory baffle (17) that is provided with oblique below is gone up in the two vertical furnace walls (1) that flue gas process chamber (5) is relative, and flue gas process chamber (5) top is provided with supporting flue (18).
2. small-sized efficient pyrolytic incinerator for medical garbage according to claim 1, it is characterized in that: described electrical heating and automatic temperature-adjusting TT﹠C system are by thermocouple (20,22), the measurement and control of temperature instrument, phase shift block and resistance wire (19,21) constitute, have two cover TT﹠C systems: the resistance wire (19) of a cover TT﹠C system is arranged on the following grate furnace row (6) of pyrolysis vaporizer (2) bottom, thermocouple (20) is arranged on pyrolysis vaporizer (2) center of top, the resistance wire of another set of TT﹠C system (21) is arranged on the fire grate (14) of bottom, gas-phase combustion chamber (4), thermocouple (22) is arranged on gas-phase combustion chamber (4) center of top, and the measurement and control of temperature instrument of two cover TT﹠C systems all concentrates on the control panel of pyrogenation incinerator.
3. small-sized efficient pyrolytic incinerator for medical garbage according to claim 1, it is characterized in that: described ventilating system is by high pressure positive blower (23), air preheater (24), air-introduced machine (25), pipeline (27,29) and valve (28,30) constitute, the air inlet of high pressure positive blower (23) can be by pipeline connection medical waste temporary room, the air outlet of high pressure positive blower (23) is communicated with air preheater (24), air preheater (24) is positioned at one section at supporting flue (18) middle part, and sealed packet is round this section flue (18), can there be many hollow pipes (26) tangentially to run through wherein in this section flue (18), air after the preheating is communicated with an air inlet (10) that is positioned at solid phase burning chamber (3) one sides by 1 road pipeline (27) and valve (28), be communicated with the secondary air mouth (8) that is positioned at flue (7) top that connects pyrolysis vaporizer (2) and gas phase combustion chamber (4) by 2 road pipelines (29) and valve (30), air-introduced machine (25) is positioned at supporting flue (18) top.
4. small-sized efficient pyrolytic incinerator for medical garbage according to claim 1, it is characterized in that: described deslagging device (31,33) have two altogether: one is positioned at solid phase burning chamber (3) below, and the hole bottom solid phase burning chamber (3) communicates with solid phase burning chamber (3), another is positioned at the below of gas-phase combustion chamber (4) and flue gas process chamber (5), and communicate with gas-phase combustion chamber (4) and flue gas process chamber (5) by hole of the total bottom of gas-phase combustion chamber (4) and flue gas process chamber (5), deslagging device (31,33) Di Bu slag notch is equipped with lock wind blow valve (32,34), described slag notch can have the slag inlet sealing butt joint that is positioned at the slag trapping box on the handcart.
5. small-sized efficient pyrolytic incinerator for medical garbage according to claim 1, it is characterized in that: described high-temperature particle dedusting filter (35) is positioned at supporting flue (18) bottom, comprise two dust removal filters up and down, dust removal filter is made of stainless steel sift net cage (36) and dress high-temperature resistant particle filtrate (37) within it, dust removal filter can take out or put into from side, stainless steel sift net cage (36) can produce reciprocating type fast sieving by driven by motor, granule filter material (37) bed thickness 10～20cm, granule filter material (37) particle diameter in lower floor's dust removal filter is thick, and granule filter material (37) particle diameter in the dust removal filter of upper strata is thin.
6. small-sized efficient pyrolytic incinerator for medical garbage according to claim 1, it is characterized in that: body of heater can be fixed, also can be portable, body of heater can be made cylinder type or polygonal, appropriate location in the furnace wall (1) of pyrolysis vaporizer (2), solid phase burning chamber (3) and gas phase combustion chamber (4) is respectively equipped with observation window, is respectively equipped with access door at pyrolysis vaporizer (2), solid phase burning chamber (3), gas-phase combustion chamber (4) and flue gas process chamber (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426959U CN201662068U (en) | 2009-10-22 | 2009-10-22 | Minitype high-efficiency medical rubbish pyrolysis incinerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009202426959U CN201662068U (en) | 2009-10-22 | 2009-10-22 | Minitype high-efficiency medical rubbish pyrolysis incinerator |
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| Publication Number | Publication Date |
|---|---|
| CN201662068U true CN201662068U (en) | 2010-12-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009202426959U Expired - Fee Related CN201662068U (en) | 2009-10-22 | 2009-10-22 | Minitype high-efficiency medical rubbish pyrolysis incinerator |
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| CN (1) | CN201662068U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216833A (en) * | 2013-03-29 | 2013-07-24 | 青岛德昌园环保科技有限公司 | Incinerator for innocent treatment of animals |
| CN104613485A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Ash removing device of tail flue of fluidized boiler |
| CN104896480A (en) * | 2015-06-17 | 2015-09-09 | 林善祖 | Garbage dual-degradation disposal device |
| CN105810276A (en) * | 2016-05-05 | 2016-07-27 | 青岛天和清原科技有限公司 | Radioactive organic waste treatment device |
| CN109000266A (en) * | 2018-05-31 | 2018-12-14 | 王玉玲 | A kind of environmental-protection incinerator for garbage disposal |
| CN110686244A (en) * | 2019-10-28 | 2020-01-14 | 广州市醇美环保科技有限公司 | Pyrolysis furnace capable of working continuously |
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2009
- 2009-10-22 CN CN2009202426959U patent/CN201662068U/en not_active Expired - Fee Related
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103216833A (en) * | 2013-03-29 | 2013-07-24 | 青岛德昌园环保科技有限公司 | Incinerator for innocent treatment of animals |
| CN103216833B (en) * | 2013-03-29 | 2015-01-07 | 青岛德昌园环保科技有限公司 | Incinerator for innocent treatment of animals |
| CN104613485A (en) * | 2015-02-17 | 2015-05-13 | 无锡昊瑜节能环保设备有限公司 | Ash removing device of tail flue of fluidized boiler |
| CN104613485B (en) * | 2015-02-17 | 2018-01-12 | 博瑞特热能设备股份有限公司 | A kind of ash handling equipment of fluidization boiler back end ductwork |
| CN104896480A (en) * | 2015-06-17 | 2015-09-09 | 林善祖 | Garbage dual-degradation disposal device |
| CN105810276A (en) * | 2016-05-05 | 2016-07-27 | 青岛天和清原科技有限公司 | Radioactive organic waste treatment device |
| CN105810276B (en) * | 2016-05-05 | 2017-11-14 | 青岛天和清原科技有限公司 | A kind of radioactivity organic waste treatment device |
| CN109000266A (en) * | 2018-05-31 | 2018-12-14 | 王玉玲 | A kind of environmental-protection incinerator for garbage disposal |
| CN110686244A (en) * | 2019-10-28 | 2020-01-14 | 广州市醇美环保科技有限公司 | Pyrolysis furnace capable of working continuously |
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| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20101201 Termination date: 20111022 |