CN2658586Y - Smoke control type medical waste material pyrolytic incinerator - Google Patents

Smoke control type medical waste material pyrolytic incinerator Download PDF

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Publication number
CN2658586Y
CN2658586Y CN 200320115910 CN200320115910U CN2658586Y CN 2658586 Y CN2658586 Y CN 2658586Y CN 200320115910 CN200320115910 CN 200320115910 CN 200320115910 U CN200320115910 U CN 200320115910U CN 2658586 Y CN2658586 Y CN 2658586Y
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CN
China
Prior art keywords
main burning
medical waste
chamber
burning chamber
gas
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CN 200320115910
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Chinese (zh)
Inventor
吴柏梁
尹加强
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吴柏梁
尹加强
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Priority to CN 200320115910 priority Critical patent/CN2658586Y/en
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Publication of CN2658586Y publication Critical patent/CN2658586Y/en

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Abstract

The utility model relates to an air controlled medical waste pyrolysis incinerator for the centralized treatment of medical waste, which is provided with an erect cylindrical furnace; a cavity of the furnace is a main burning chamber, and is provided with an air intake of primary air and secondary air; the upside of the furnace is provided with a feeding hole, and the bottom is connected with a slag bucket. The utility model is characterized in that: two gravity-type fire damper gates are arranged on the feeding hole at the upside of the furnace; a damaged-bag and crushed aggregates device is arranged on the lower part of the feeding hole, and a layer of hollow outer wall is additionally arranged on the inner wall of the main burning chamber, so that a secondary combustion chamber of rotary flue is formed; a rotary slag head is arranged at the base of the main burning chamber; a transmission shaft is extended to the outside of the furnace and is driven by a transmission mechanism. The main burning chamber can implement deep combustion to the medical waste of complex components, so that the medical waste can be burnt into ashes completely; the combustible gas which is generated from the thermal decomposition of organic matter in the medical waste can enter the secondary combustion chamber of rotary flue through a thermal decomposition section, and is mixed with the secondary combustion air, thereby a rapid oxidation combustion reaction is generated so as to form a high temperature for decomposing and destroying the possible dioxin phytotoxin in the flue gas, thereby the secondary pollution to the environment from the flue gas in medical waste burning can be prevented.

Description

Gas-controlled type clinical waste pyrogenation incinerator

(1) technical field: the utility model relates to a kind of pyrogenation incinerator that is used to centrally dispose clinical waste.

(2) background technology: clinical waste is the refuse with direct or indirect infection toxicity and other harmfulness that medical treatment, health, health institution produce in its medical treatment, disease-prevention or healthcare and other correlated activations.These clinical wastes contain infectious agents such as a large amount of germs, virus and parasite, are considered the fatal killer of top danger abroad, and China also classifies it as the hazardous waste that stands in the breach.If poor management or mishandling very easily becomes pathophorous source head, work the mischief for people's health and ecological environment.

According to national regulation, in view of the categorised collection of clinical waste, the complexity of packing and transporting, for centralized medical waste treatment, present stage should be adopted elevated temperature heat incineration disposal technology.

Yet, China still is in the clinical waste field that centrally disposes to be explored and the starting stage, at present except that the implementation of only a few cities such as Guangzhou, Hangzhou, Shenyang, Dalian centrally disposes, most of area is disperseed to dispose by each hospital, intervention level and effect are uneven, cause producing secondary pollution in clinical waste loss and the disposal process.With regard to medical waste incinerator, the problem of existence is specific as follows:

1. type of furnace design can not adapt to the pharmaceutical wastes feature, and it is low or unstable to cause incineration temperature to be crossed, and flue gas dwell time in stove is too short, and clinical waste such as can not thoroughly burn at defective.

2. it is combustion-supporting to need to add auxiliary fuel in the incineration disposal process, and it is high to cause disposing operating cost.

According to domestic relevant department statistics, medical wastes incineration stove manufacturing enterprise of family surplus in the of present domestic 20, the product technology performance meets almost not having of environmental protection standard, yet, 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.

For this reason, the utility model is to the unique design of the type of furnace, pyrolytic technique is introduced medical wastes incineration as the auxiliary combustion mode dispose mechanism, by adjustment and control to primary air in the burning process and secondary combustion air allocation proportion, realize the appropriate pyrolytic gasification and the degree of depth burning of clinical waste, thereby the infectious agent that clinical waste is carried is thoroughly killed, clinical waste unmakes in high temperature and subtracts appearance, make the dioxin harmful toxic matter and the presoma thereof that may exist in the clinical waste in high temperature, thoroughly be decomposed destruction simultaneously, eliminate it causes secondary pollution to environment possibility.

(3) summary of the invention: the purpose of this utility model be to provide a kind of clinical waste is thoroughly destroyed by fire fast and can stop the dioxin poisonous substance produce and do not need the combustion-supporting gas-controlled type clinical waste pyrogenation incinerator of any extra fuel.

Design of the present utility model is: design has the tubular body of heater of setting, the inner chamber of body of heater is a main burning chamber, be equipped with wind and secondary wind air inlet, the top of body of heater is provided with charging aperture, the bottom connects dirt-excluding bucket, it is characterized in that: in the charging aperture above body of heater, be provided with two road gravity type fire damper doors, the charging aperture below is equipped with broken bag particle device, the inwall of main burning chamber adds one deck hollow outer wall outward again, form Clothoid type flue secondary combustion chamber, the bottom of main burning chamber is equipped with revolution break device, and its power transmission shaft stretches out outside the stove and driven by transmission mechanism.

The broken bag particle device that install charging aperture below described in the utility model comprises resting barrel and relative elastic displacement cylinder, and two cylinder outer walls are embedded with zigzag triangular tip blade, and two cylinders are driven by drive unit and make relative rotary motion.

The revolution break device that main burning chamber described in the utility model installs the bottom is eccentric tower grate structure, by pinnacle of a pagoda, eccentric tower castor, be contained on the eccentric tower castor grab tooth, pallet and material scraping plate greatly and power transmission shaft is formed.

The power transmission shaft of rotary dregs breaking head is a hollow shaft in the utility model, blast pipe of double as, and the logical main burning chamber in its upper end, the lower end is communicated with air inlet.

The below of Clothoid type flue secondary combustion chamber is provided with a lock wind unloading valve at least in the utility model.

The utlity model has following characteristics:

1. the utility model is owing to be provided with two road gravity type fire damper doors at the charging aperture place, and during charging, packed clinical waste relies on the gravity of self to push the first road fire damper door open, and the second road fire damper door is in closed condition.When material continues pushing the second road fire damper door open when entering in the stove, the first road fire damper door is closed.By the staggered keying of twice fire damper door, thereby the lock wind when having realized throat-fed has been guaranteed the air-tightness of incinerator.

2. be provided with broken bag particle device in the utility model stove, both satisfied the requirement of " clinical waste centrally disposes technical specification (trying) " 5.5.2 (1) bar " automatic charging; must not damage packing ", packaging bag is torn after making clinical waste go into stove again, clinical waste is overflowed and to be broken and evenly in the bag, disperse to scatter in burner hearth, thereby be able to fully contact, quicken to burn with combustion air.

3. the utility model places incinerator main burning chamber, secondary combustion chamber in the cylindric body of heater of same setting and forms integral structure.Main burning chamber is a hearth furnace, is positioned at the body of heater center, and Clothoid type flue two combustion chambers are looped around the main burning chamber outside.The chamber structure of this uniqueness and home and abroad existing vertical incinerator main burning chamber compares with the version that the secondary combustion chamber apportion is arranged, have compact conformation, the surface of burner hearth area of dissipation reduces significantly and heat is fully used, in the body of heater of equal height, prolonged the exhaust gases passes distance greatly, thereby prolonged flue gas in stove particularly in the indoor time of staying of second-time burning, help decompose destroying the dioxin harmful toxic matter.

4. the revolution break device in the utility model adopts eccentric tower fire grate, and fire grate is installed in the sintering burning segment of main burning chamber bottom, and the clinical waste that continuous stirring was being burned when fire grate horizontally rotated makes it loose; Grab tooth bulk slag attrition crushing with sintering in rotation greatly, eliminated the common slag arching phenomenon of vertical heater, guaranteed the unobstructed of discharging.

5. the utility model is designed to quill shaft with fire grate transmission vertical shaft, is two eccentric tower supporting members of grabbing the tooth fire grate greatly, is again the ventilation shaft that primary air is gone into stove.Because once combustion-supporting cold air passes through from vertical shaft inside, not only vertical shaft and upper bearing there is good cooling effect, participate in the oxidizing fire reaction after the slag layer preheating but also combustion air is directly entered, eliminated fundamentally that traditional vertical heater combustion air is gone into stove by discharge funnel and inevitable air leakage phenomena.

6. the utility model is with carbon monoxide (CO), oxygen (O in incineration temperature, the flue gas 2) but variable parameter such as content is foundation, adjusts, the allocation proportion of control primary air and secondary combustion air, realizes that the partial organic substances pyrolytic gasification is organic fuel gas of simple molecules in two sections burnings of incinerator and the clinical waste.

The energy that the burning of stove secondary combustion chamber is burnt in the utility model participation is provided by the pyrolytic gasification in stove of partial organic substances in the clinical waste, does not need to add any auxiliary fuel.Therefore, the utility model is compared with domestic and international any other incinerator, can save disposal operating cost significantly.Its operation mechanism unique texture is compact simple, small investment.

(4) description of drawings:

Accompanying drawing is a general structure schematic diagram of the present utility model.

Among the figure: 1-charging aperture, 2-gravity type retaining vent, 3-triangular tip blade, the 4-resting barrel, 5-smoke inlet, 6-inboard wall of furnace body, the 7-secondary combustion chamber, 8-main burning chamber, the negative unloading valve of 9-lock, 10-revolution break device, 11-material scraping plate, 12-dirt-excluding bucket, the 13-power transmission shaft, 14-delivery pipe, 15-actuating unit, wind air inlet of 16-, 17-elastic displacement cylinder, 18-exhanst gas outlet, 19-secondary air intake pipe, the 20-pinnacle of a pagoda, 21-grabs tooth greatly, and the eccentric tower of 22-is combed the 23-pallet, the 24-outer wall, the 25-shell.

(5) specific embodiment:

Referring to accompanying drawing, the cylinder-like structure of main body of the present utility model for erectting, it is the fire-resistant prefabricated components that ramming mass is made, the splicing that the interlock of dependence wedge mouth and high temperature are stained with the knot agent, the whole burner hearth with height air-tightness and intensity that is assembled into of changing that adopts high strength acid resistant wear-resisting.It includes cylindrical furnace inwall 6, outer wall 24, and main burning chamber 8 and hollow sandwich Clothoid type flue secondary combustion chamber 7 in forming, and smoke inlet 5 and exhanst gas outlet 18, for improving intensity and globality, outer wall 24 walls are equipped with steel shell 25 outward again.

Above the utility model body of heater, load onto two road gravity type retaining vents 2 in the charging aperture 1.The tipping of the below of charging aperture 1 has broken bag particle device, it by the resting barrel 4 that is symmetrically arranged and elastic displacement cylinder 17 (stressed can be when big to the structure of left dislocation) form and be embedded with a plurality of zigzag triangular tip blades on two cylinder outer walls.

Be provided with left and right two lock wind unloading valves 9 in the bottom of the utility model Clothoid type flue secondary combustion chamber 7, sidewall is provided with secondary air intake pipe 19.

The bottom of the utility model main burning chamber 8 is equiped with revolution break device 10, picks out slag bucket 12 and delivery pipe 14 down.Revolution break device 10 is to be piled to connect from top to bottom and formed by pinnacle of a pagoda 20, eccentric tower comb 22, pallet 23, material scraping plate 11, around eccentric tower comb 22 a plurality of teeth 21 of grabbing greatly is housed.Revolution break device 10 is by power transmission shaft 13 transmissions, and 13 actuating units of being made up of motor and decelerator 15 of power transmission shaft drive.Power transmission shaft 13 is a hollow shaft, also can be used as primary air intake pipe, and main burning chamber 8 is led in its upper end, and the lower end is led to wind air inlet 16 one time.

Operation principle of the present utility model is summarized as follows:

Body of heater starts under the state of cooling, at first need add a certain amount of fuel and carry out heating starting (then need not refuelling after the normal combustion work), drop into clinical waste from charging aperture 1 then, by being entered burning in the main burning chamber 8 by the fragmentation of broken bag particle device behind the two road gravity type retaining vents.Wind enter that main burning chamber 8 is mixed with clinical waste and with wherein carbon, the reaction of hydrogen generation oxidizing fire.The heat that produces makes burner hearth and flue-gas temperature rise to 1000-1200 ℃, and airborne oxygen almost all exhausts in reaction.The high-temperature flue gas of anoxic makes pyrolysis vaporizer be reducing atmosphere, and the pyrolytic gasification reaction takes place in this high temperature anoxic environment the partial organic substances in the clinical waste, generates the organic fuel gas and the carbon monoxide of simple molecular structure.The high-temperature flue gas that contains these fuel gas enters Clothoid type flue secondary combustion chamber from secondary combustion chamber smoke inlet 5, the secondary combustion air is then by gas---after being preheating to 300-350 ℃, gas-heat exchanger sprays into the flue secondary combustion chamber 7 that circles round at a high speed with turbulent shape from secondary air intake pipe 19, mix with flue gas, rapid and fierce oxidizing fire reaction takes place, fuel gas in the flue gas and carbon residue are thoroughly burnouted, produce pyrolytic once more and destroy the dioxin harmful toxic matter.

In order to make the indoor reducing atmosphere that is anoxic of pyrolytic gasification, one time the wind air capacity must be controlled, thereby makes main burning chamber be in oxygen debt burning.Because primary air flow is less, the wind speed in burner hearth is also lower, causes the solid particulate pollutant (flue dust) in the flue gas less; After flue gas entered the flue secondary combustion chamber 7 that circles round, fuel gas and carbon residue particle be by thorough after-flame, the dioxin harmful toxic matter that may exist in the flue gas destruction that also is decomposed in high temperature.Therefore, the follow-up purified treatment of flue gas of the utility model discharge is also simple than other type of furnaces.

In order to prevent slagging scorification, make things convenient for deslagging, revolution break device 10 of the present utility model regularly slow rotation carries out the break deslagging.The lime-ash of the utility model secondary combustion chamber is then got rid of by lock wind unloading valve 9.

Claims (5)

1. gas-controlled type clinical waste pyrogenation incinerator, tubular body of heater with setting, the inner chamber of body of heater is a main burning chamber, be equipped with wind and secondary wind air inlet, the top of body of heater is provided with charging aperture, the bottom connects dirt-excluding bucket, it is characterized in that: in the charging aperture above body of heater, be provided with two road gravity type fire damper doors, the charging aperture below is equipped with broken bag particle device, and the inwall of main burning chamber adds one deck hollow outer wall outward again, forms Clothoid type flue secondary combustion chamber, the bottom of main burning chamber is equipped with revolution break device, and its power transmission shaft stretches out outside the stove and driven by transmission mechanism.
2. gas-controlled type clinical waste pyrogenation incinerator according to claim 1, it is characterized in that: the broken bag particle device that install described charging aperture below, comprise resting barrel and relative elastic displacement cylinder, two cylinder outer walls are embedded with zigzag triangular tip blade, and two cylinders are driven by drive unit and make relative rotary motion.
3. gas-controlled type clinical waste pyrogenation incinerator according to claim 1, it is characterized in that: the revolution break device that described main burning chamber installs the bottom is eccentric tower grate structure, by pinnacle of a pagoda, eccentric tower castor, grab greatly tooth, pallet and material scraping plate and the power transmission shaft that are contained on the eccentric tower castor are formed.
4. gas-controlled type clinical waste pyrogenation incinerator according to claim 1 is characterized in that: the power transmission shaft of rotary dregs breaking head is a hollow shaft, blast pipe of double as, and the logical main burning chamber in its upper end, the lower end is communicated with air inlet.
5. gas-controlled type clinical waste pyrogenation incinerator according to claim 1 is characterized in that: the below of Clothoid type flue secondary combustion chamber is provided with a lock wind unloading valve at least.
CN 200320115910 2003-11-18 2003-11-18 Smoke control type medical waste material pyrolytic incinerator CN2658586Y (en)

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Application Number Priority Date Filing Date Title
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Cited By (20)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174939A1 (en) * 2011-06-22 2012-12-27 宜昌市九天环保科技有限公司 Garbage pyrolyzing and gasifying furnace
CN103075734A (en) * 2012-12-27 2013-05-01 中信重工机械股份有限公司 Waste incineration ash slag cooling machine
CN103115362A (en) * 2013-01-17 2013-05-22 向家莹 Oxygen-enriched combustion method ensuring dioxin emission in garbage incinerator reaching standard
CN103846270A (en) * 2012-12-03 2014-06-11 上海锌特管道工程有限公司 Resource recovery type household garbage processing method
CN103846269A (en) * 2012-12-03 2014-06-11 上海锌特管道工程有限公司 Resource recycling household garbage treating apparatus
CN103982899A (en) * 2013-12-30 2014-08-13 佛山科学技术学院 Incinerator
CN104848223A (en) * 2015-05-27 2015-08-19 苏州科锐恒机械科技有限公司 Garbage incinerator
CN104848227A (en) * 2015-05-27 2015-08-19 苏州科锐恒机械科技有限公司 High-efficiency garbage incinerator
CN104949132A (en) * 2015-07-17 2015-09-30 张宝家 Pyrolyzing gasifier
CN105135437A (en) * 2015-08-11 2015-12-09 李海平 Household garbage lack oxygen gasification and combustion integration type tri-treatment (reduction, harmless treatment and resourceful treatment) processing device and method
CN105737161A (en) * 2014-12-30 2016-07-06 湖南金卫环保设备科技有限公司 Automatic screening and environment-friendly pyrolysis device for garbage
CN106090929A (en) * 2016-08-23 2016-11-09 厚德九天(湖北)环保科技集团有限公司 One way of life refuse burning system pyrolysis gasification furnace
CN106122974A (en) * 2016-08-09 2016-11-16 上海任得机械制造有限公司 A kind of garbage pyrolysis furnace
CN106468434A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish row screening whirlwind mixes combustion pyrolysis installation
CN106468435A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish automatic sieving guides locellus pyrolysis installation
CN106468433A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish row screening fluidisation pyrolysis installation
CN107300177A (en) * 2016-04-16 2017-10-27 袁甫新 Prevent lime-ash congestion refuse pyrolysis plant
CN107543166A (en) * 2017-08-31 2018-01-05 李艺 A kind of life medical treatment garden garbage control oxygen low temperature pyrogenation device of tower structure
CN107606620A (en) * 2017-09-08 2018-01-19 长兴嘉诚炉业有限公司 A kind of rubbish fully burns incinerating method
CN108980837A (en) * 2018-06-04 2018-12-11 吴联凯 A kind of environment-friendly and energy-efficient combustion apparatus

Cited By (26)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2012174939A1 (en) * 2011-06-22 2012-12-27 宜昌市九天环保科技有限公司 Garbage pyrolyzing and gasifying furnace
CN103846269A (en) * 2012-12-03 2014-06-11 上海锌特管道工程有限公司 Resource recycling household garbage treating apparatus
CN103846270A (en) * 2012-12-03 2014-06-11 上海锌特管道工程有限公司 Resource recovery type household garbage processing method
CN103075734A (en) * 2012-12-27 2013-05-01 中信重工机械股份有限公司 Waste incineration ash slag cooling machine
CN103115362A (en) * 2013-01-17 2013-05-22 向家莹 Oxygen-enriched combustion method ensuring dioxin emission in garbage incinerator reaching standard
CN103982899A (en) * 2013-12-30 2014-08-13 佛山科学技术学院 Incinerator
CN103982899B (en) * 2013-12-30 2016-08-17 佛山科学技术学院 Incinerator
CN105737161B (en) * 2014-12-30 2019-10-29 湖南金卫环保设备科技有限公司 Rubbish automatic sieving environmental protection pyrolysis installation
CN105737161A (en) * 2014-12-30 2016-07-06 湖南金卫环保设备科技有限公司 Automatic screening and environment-friendly pyrolysis device for garbage
CN104848223A (en) * 2015-05-27 2015-08-19 苏州科锐恒机械科技有限公司 Garbage incinerator
CN104848227A (en) * 2015-05-27 2015-08-19 苏州科锐恒机械科技有限公司 High-efficiency garbage incinerator
CN104949132A (en) * 2015-07-17 2015-09-30 张宝家 Pyrolyzing gasifier
CN105135437B (en) * 2015-08-11 2018-05-29 李海平 Weary gasification, burning integral type " three change " processing unit of house refuse and method
CN105135437A (en) * 2015-08-11 2015-12-09 李海平 Household garbage lack oxygen gasification and combustion integration type tri-treatment (reduction, harmless treatment and resourceful treatment) processing device and method
CN106468434A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish row screening whirlwind mixes combustion pyrolysis installation
CN106468435A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish automatic sieving guides locellus pyrolysis installation
CN106468433A (en) * 2015-08-22 2017-03-01 湖南金卫环保设备科技有限公司 Rubbish row screening fluidisation pyrolysis installation
CN107300177A (en) * 2016-04-16 2017-10-27 袁甫新 Prevent lime-ash congestion refuse pyrolysis plant
CN107300177B (en) * 2016-04-16 2020-01-31 袁甫新 Garbage pyrolysis device for preventing ash jam
CN106122974A (en) * 2016-08-09 2016-11-16 上海任得机械制造有限公司 A kind of garbage pyrolysis furnace
CN106090929B (en) * 2016-08-23 2018-09-04 厚德九天(湖北)环保科技集团有限公司 A kind of consumer waste incineration system pyrolysis gasification furnace
CN106090929A (en) * 2016-08-23 2016-11-09 厚德九天(湖北)环保科技集团有限公司 One way of life refuse burning system pyrolysis gasification furnace
CN107543166A (en) * 2017-08-31 2018-01-05 李艺 A kind of life medical treatment garden garbage control oxygen low temperature pyrogenation device of tower structure
CN107606620B (en) * 2017-09-08 2019-07-09 长兴嘉诚炉业有限公司 A kind of rubbish full combustion incinerating method
CN107606620A (en) * 2017-09-08 2018-01-19 长兴嘉诚炉业有限公司 A kind of rubbish fully burns incinerating method
CN108980837A (en) * 2018-06-04 2018-12-11 吴联凯 A kind of environment-friendly and energy-efficient combustion apparatus

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