CN1676994A - Efficient gas-controlled medical and house refuse pyrolyzed incinerator - Google Patents

Efficient gas-controlled medical and house refuse pyrolyzed incinerator Download PDF

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Publication number
CN1676994A
CN1676994A CN 200410012913 CN200410012913A CN1676994A CN 1676994 A CN1676994 A CN 1676994A CN 200410012913 CN200410012913 CN 200410012913 CN 200410012913 A CN200410012913 A CN 200410012913A CN 1676994 A CN1676994 A CN 1676994A
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China
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chamber
combustion
efficient gas
medical treatment
incinerator
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CN 200410012913
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Chinese (zh)
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CN100357662C (en
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尹加强
尹礼平
尹礼和
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尹加强
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Abstract

The invention discloses a high efficiency air control medical and civil waste thermolytic dissociation combustion furnace which is an improvement of existing vertical thermolytic dissociation combustion furnace especially adding a water bake room between the feeding bucket and the main combustion room. Aggregates crushing and arranging device is set at the bottom of the bake room while heat air room is set outside communicating with one port of the U second combustion room and set an air exit on the out wall. According to the invention, the waste is previously baked, crushed and then fed uniformly automatically which remarkably hastes the combustion and enhances the combustion efficiency and burning off rate, and widens the thermolytic range of medical waste. It is adaptive to civil and medical waste combustion process.

Description

Efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator

(1) technical field: the present invention relates to a kind of vertical pyrogenation incinerator that is used to centrally dispose clinical waste, house refuse.

(2) background technology: in order to prevent the pollution of house refuse, particularly clinical waste refuse pollution and viral communication, indicative spirit according to State Council's (No. 380) order, the requirement of departments such as State Environmental Protection Administration, National Development and Reform Committee, health bureau, reply medical treatment (danger) refuse, house refuse are concentrated incineration disposal.At present, main both at home and abroad employing burning facility has several type of furnaces such as rotary kiln type incinerator, chain grate furnace, fixed bed incinerator, Martin furnace, simple and easy vertical pyrogenation incinerator.They all have certain drawback and (it is reported: also do not have a kind of type of furnace to obtain the approval of association of State Environmental Protection Administration to above incinerator, [2003] No. 185 literary compositions of country's environment-development are pointed out, the former incineration disposal facility of building in the whole nation does not also have one can reach disposal factory that national regulation requires in operation, must rectification.)

(1) rotary kiln is roller one combustion chamber substantially, cyclone chamber and dual firing chamber are set up in the rear portion, kiln hood, the kiln tail is if make its property retention stablize the high temperature balance, must increase combustion-supporting fuel supplement heat once more in the cyclone chamber and the dual firing chamber of afterbody, one combustion combustion-supporting general employing fuel oil in chamber and coal, cyclone chamber and dual firing chamber are limited to fuel oil, cause the combustion-supporting material consumption cost of incinerator individual event disposing technique flow process sharply to raise, can exceed several times of whole process flow cost of disposal, actual conditions and national conditions according to China each department, and be the burden of a chronicity, disposing charge we can say at all and can't bear, therefore can cause disposing factory director's phase loses and can't survive, let alone can keep normal stable operation.Rotary kiln is a combustion chamber of roller, must be the equipment of heaviness, inner chamber and the whole picking-up rolling of refractory material that heaviness like this must be housed, vibration is big, and rotative power is big, can reduce the service life of refractory material, the maintenance cost height, rotative power big city increases cost of disposal.And maintenance cycle is long, stores up time rule temporarily according to clinical waste, can not allow long maintenance time, and clinical waste overstocks overlong time can not satisfy code requirement.Form heap shape rolling top layer burning, firing rate is slow, and ability is low, and firing efficiency is not high, burns rate variance.One combustion chamber is the single chamber burning, and dual firing chamber is the separate type combining structure, and heat loss is big, various disadvantages such as high temperature stability performance difference.

(2) other several chain grate furnaces, fixed bed, fluid bed, Martin furnace, simple and easy vertical incinerator, all have a kind of sick altogether, high moisture content is packed goes into stove, pile up and burn, what have establishes dump grate in the hot room domestic demand, can not thoroughly deal with problems, making the burning mechanism of a combustion chamber is that the part naked light is partly smouldered, and to burnout rate, capacity of incinerator is all influential, and a combustion chamber is that single chamber burns, dual firing chamber adopts the separate type combining structure, and heat loss is big, stablizes the high temperature difficulty, it is not high to burn effectiveness, is difficult for the thoroughly drawback of sterilization.

In sum, more than various waste incinerators all can't give play to all complete Incineration performance, more can not reach perfect burning effect, medical treatment (danger) refuse is difficult to reach the purpose of thorough sterilization naturally, particularly be difficult to utterly destroy the dioxin toxic substance.

I have applied for a kind of gas-controlled type clinical waste pyrogenation incinerator on November 18th, 2003 to State Intellectual Property Office for this reason, and number of patent application is 200320115910.1.This incinerator to the virus of clinical waste particularly the dioxin harmful toxic matter killed very big progress.But because house refuse, particularly medical bagged garbage, its moisture content is generally heavier, firing efficiency, speed, the burn-off rate of incinerator are restricted, particularly packed clinical waste lacks pre-previous stage oven dry and breaker, block rubbish blanking takes place easily, is difficult to guarantee burn in the stove stable equilibrium.

(3) summary of the invention: the objective of the invention is to solve the general type of furnace and can not satisfy the problem that medical waste requires of burning, solve existing incinerator for medical garbage firing efficiency, speed, the unfavorable problem of burn-off rate simultaneously, proposing a kind of medical treatment, the required repertoire of consumer waste incineration concentrates, form " it is integrated to erect tubular " furnace binding, its compact conformation, multiple functional can satisfy the efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator of handling medical treatment, house refuse fully.

Concrete scheme of the present invention is to be that 200320115910.1 gas-controlled type clinical waste pyrogenation incinerators are done further to improve at number of patent application.It has the tubular body of heater of setting, body of heater is the double furnace wall structure, inner chamber is a main burning chamber, cavity adopts partition wall radially every making multi-cavity type " U " type secondary combustion chamber that circles round, one port of " U " type secondary combustion chamber is communicated with main burning chamber, the bottom of " U " type secondary combustion chamber is made as annular one dust settling chamber, its bottom is fitted with lock wind unloading valve, the top of body of heater is provided with feed hopper, self closing valve, the break slag unloading device is equipped with in the body of heater below, and be furnished with air inlet system, its improvement is: set up the rubbish drying chamber between the chamber at feed hopper and main burning, the drying chamber bottom is provided with the particle distribution device; Drying chamber peripheral hardware hot blast chamber, the hot blast chamber is communicated with the another port of " U " type secondary combustion chamber, and sets out the air port at the hot blast chamber outer wall.

Burn effect for the disposal that guarantees medical waste, according to the characteristics of medical waste packed and transported, be provided with the broken bag device above rubbish drying chamber of the present invention, this device is made up of a countershaft and the blade that is contained in the rotating shaft.This device enters drying chamber to the packed shape refuse that looses that changes into, for oven dry is laid a solid foundation, improves drying efficiency.

The exhaust emission that produces when preventing charging aperture place feeding, the pollution that leaks of poison gas when particularly solving packed refuse garbage bag breaking, above feed hopper 1, be provided with the charging cover, establish the inlet scoop on the charging cover, this inlet scoop is communicated with the air inlet of air inlet system, make in waste gas, the inlet scoop suction stove of poison gas and burn, thoroughly solve in the operating room pollution-free by the charging cover.

For improving the drying efficiency and the drying effect of rubbish drying chamber, in rubbish drying chamber of the present invention, crossed warm-air pipe.

The particle distribution device that the drying chamber of rubbish described in the present invention bottom is provided with is made up of horizontally disposed some turning cylinders and the blade that is clouded on the turning cylinder.This device also has an amount of mechanical feed function of adjusting.

For guaranteeing that hot blast evenly distributes, " U " of the present invention type secondary combustion chamber is designed to four groups, is symmetrically distributed.And the air outlet that described hot blast chamber outer wall is offered design has two, symmetric arrangement.To guarantee drying chamber top loop row of channels heat supply balance all around.

Improvement of the present invention, make rubbish pass through a prebake section, eliminate junk moisture content, improve inflammable work fire and firing efficiency, burnout rate, through secondary particle, cloth, evenly distributing feeds in the combustion chamber high temperature flame chamber automatically, makes every refuse can both obtain real pyrolysis and make fire burns in high temperature by the diffusing shape refuse after the oven dry, firepower is concentrated the high-temperature stable balance, to firing efficiency with burn effect and played critical effect.

The present invention's one stove two Room (main chamber and secondary combustion chamber) integral structure." medical treatment (danger) waste incinerator " that national regulation is forbidden adopts the problem of modular chamber structure to obtain real solution.Heat loss is low, and the firing efficiency height burns reliably, and the high-temperature stable balance has more perfect, perfect technical performance.

(4) description of drawings:

Fig. 1 is a general structure front view of the present invention;

Fig. 2 is the A-A view of Fig. 1;

Fig. 3 is the B-B view of Fig. 1.

Among the figure: 1-feed hopper, 2-self closing valve, 3-broken bag device, 4-drying chamber, the 5-warm-air pipe, 6-particle distribution device, 7-hot blast chamber, 8-furnace body outer wall, 9-secondary air mouth, 10-inboard wall of furnace body, 11-main chamber, 12-secondary combustion chamber, 13-lock wind unloading valve, 14-break slag unloading device, 15-hot-air mouth, 16-partition wall, the 17-air outlet, 18-transmission device, 19-rotating shaft, air inlet of 20-, 21-charging cover, 22-inlet scoop.

(5) specific embodiment:

Referring to Fig. 1, the cylinder-like structure of main body of the present invention for erectting, it is the prefabricated components that adopt the wear-resisting fire-resistance rammed mass of high strength acid resistant to make, and relies on the interlock of wedge mouth and the splicing of high-temperature agglomerant, the whole burner hearth with height air-tightness and intensity that is assembled into.It includes cylindrical furnace inwall 10, outer wall 8, radially eight road partition walls 16 are arranged between the inside and outside wall, form main burning chamber 11 and four groups of " U " type secondary combustion chambers 12, the bottom of " U " type secondary combustion chamber is made as annular one dust settling chamber, one end of " U " type secondary combustion chamber is communicated with main burning chamber 11 by hot-air mouth 15, and the other end leads to hot blast chamber 7.For improving intensity and globality, furnace body outer wall 8 can add steel shell.

On the top of body of heater of the present invention feed hopper 1 is housed, and self closing valve 2 is housed, between feed hopper 1 and main burning chamber 11, built tubular drying chamber 4 by laying bricks or stones, and be provided with annular heat air compartment 7 in the outside of drying chamber 4, hot blast chamber 7 is provided with former and later two air outlets 17 (referring to Fig. 2), is equiped with four horizontally disposed turning cylinders 19 in the bottom of drying chamber 4, is densely covered with the triangular blade on the axle, and be furnished with transmission device 18, form particle distribution device 6 (referring to Fig. 3).

In order to prevent the exhaust emission at charging aperture place, above feed hopper 1, be provided with charging cover 21, have inlet scoop 22 on the charging cover and be communicated with the air inlet of the air inlet system of incinerator.

For improving the drying efficiency of drying chamber 4 of the present invention, in drying chamber 4, crossed a warm-air pipe 5.

Dispose when the present invention is used to burn medical bagged garbage, then broken bag device 3 should be set above drying chamber 4, this broken bag device 3 adopts the simplest structure, and the countershaft with horizontal positioned opposite is equipped with polylith broken bag blade in the rotating shaft.

Load onto lock wind unloading valve 13 (totally four) at last in the bottom of the present invention " U " type secondary combustion chamber, break slag unloading device 14 is installed below body of heater of the present invention, and air inlet 20 is set one time in the transmission spindle pipe of break slag unloading device, on body of heater lateral wall 8, offer secondary air mouth 9, promptly constitute the present invention.

Operation principle of the present invention 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 house refuse or clinical waste rubbish from feed hopper 1 then, enter drying chamber 4 (packed medical waste then enters drying chamber 4 through broken bag device 3 broken bags earlier again) oven dry by self closing valve 2, again through particle distribution device 6 broken material clothes, the main burning chamber of feeding automatically 11 interior high-temp combustions evenly distribute, produce flammable high-temperature flue gas and enter " U " type secondary combustion chamber 12 from hot-air mouth 15, burning once more, high-temperature flue gas enters " U " type secondary combustion chamber 12 get on, get off (have and be able to abundant burning certain burning time), enter hot blast chamber 7 again, rubbish in the drying chamber 4 is dried utilization, discharge body of heater from two air outlets 17 that are symmetrically distributed at last.

Slag in the main burning chamber 11 of the present invention will be discharged by break slag unloading device 14, and the lime-ash in " U " type secondary combustion chamber 12 will be discharged from lock wind unloading valve 13.

Claims (7)

1. efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator, tubular body of heater with setting, body of heater is the double furnace wall structure, inner chamber is a main burning chamber, cavity adopts partition wall radially every making multi-cavity type " U " type secondary combustion chamber that circles round, one port of " U " type secondary combustion chamber is communicated with main burning chamber, the bottom of " U " type secondary combustion chamber is made as annular one dust settling chamber, its bottom is fitted with lock wind unloading valve, the top of body of heater is provided with feed hopper, self closing valve, the break slag unloading device is equipped with in the body of heater below, and is furnished with air inlet system, it is characterized in that: set up the rubbish drying chamber between the chamber at feed hopper and main burning, the drying chamber bottom is provided with the particle distribution device; Drying chamber peripheral hardware hot blast chamber, the hot blast chamber is communicated with the another port of " U " type secondary combustion chamber, and sets out the air port at the hot blast chamber outer wall.
2. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 is characterized in that: be provided with the broken bag device above described rubbish drying chamber, this device is made up of a countershaft and the blade that is contained in the rotating shaft.
3. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 and 2, it is characterized in that: the charging cover is housed above feed hopper, establishes the inlet scoop on the charging cover, this inlet scoop is communicated with the air inlet of air inlet system.
4. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 and 2 is characterized in that: crossed warm-air pipe in described rubbish drying chamber.
5. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 and 2, it is characterized in that: the particle distribution device that is provided with in described rubbish drying chamber bottom, form by horizontally disposed some turning cylinders and the blade that is clouded on the turning cylinder.
6. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 and 2, it is characterized in that: described " U " type secondary combustion chamber is designed to four groups, is symmetrically distributed.
7. a kind of efficient gas-controlled type medical treatment domestic garbage pyrolysis incinerator according to claim 1 and 2, it is characterized in that: the air outlet design that described hot blast chamber outer wall is offered has two, symmetric arrangement.
CNB2004100129131A 2004-03-29 2004-03-29 Efficient gas-controlled medical and house refuse pyrolyzed incinerator CN100357662C (en)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192512A (en) * 2010-03-02 2011-09-21 王振坤 Garbage incinerator
WO2013000407A1 (en) * 2011-06-28 2013-01-03 日照市福泰环保科技有限公司 Kiln furnace with dual exhaust passage
CN104629775A (en) * 2013-11-12 2015-05-20 中国科学院过程工程研究所 Pyrolysis device for carbonaceous substance
CN105805756A (en) * 2014-12-30 2016-07-27 湖南金卫环保设备科技有限公司 Environment-friendly efficient pyrolysis device for garbage
CN105805757A (en) * 2014-12-30 2016-07-27 湖南金卫环保设备科技有限公司 Energy-saving environment-friendly efficient pyrolysis device for garbage
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
CN107101207A (en) * 2017-03-29 2017-08-29 李明牛 A kind of low cigarette waste incinerator
CN108167834A (en) * 2017-11-23 2018-06-15 湖南望隆企业管理咨询有限公司 Drying type burning facility in a kind of environment-friendly type

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1073002A (en) * 1992-08-05 1993-06-09 广州市环境卫生研究所 Pyrolytic gasification method for garbage and pyrolysis oven
CN2425277Y (en) * 2000-06-16 2001-03-28 郭炜明 Gasifying incinerator for municipal house refuse
KR100482187B1 (en) * 2001-09-20 2005-04-13 니폰 조키 세야쿠 가부시키가이샤 Method and apparatus for carbonization treatment of organic waste
CN2521499Y (en) * 2002-01-08 2002-11-20 中国船舶重工集团公司第七一○研究所 Garbage incinerator
JP2003300049A (en) * 2002-04-10 2003-10-21 Create Resource Kk Method and apparatus for treating rubbish
CN2714973Y (en) * 2004-03-01 2005-08-03 杨学忠 Water combustion-supporting device

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102192512A (en) * 2010-03-02 2011-09-21 王振坤 Garbage incinerator
CN102192512B (en) * 2010-03-02 2013-07-31 王振坤 Garbage incinerator
WO2013000407A1 (en) * 2011-06-28 2013-01-03 日照市福泰环保科技有限公司 Kiln furnace with dual exhaust passage
CN104629775A (en) * 2013-11-12 2015-05-20 中国科学院过程工程研究所 Pyrolysis device for carbonaceous substance
CN105805756A (en) * 2014-12-30 2016-07-27 湖南金卫环保设备科技有限公司 Environment-friendly efficient pyrolysis device for garbage
CN105805757A (en) * 2014-12-30 2016-07-27 湖南金卫环保设备科技有限公司 Energy-saving environment-friendly efficient pyrolysis device for garbage
CN105805757B (en) * 2014-12-30 2019-05-28 湖南金卫环保设备科技有限公司 Rubbish energy-saving, environment-friendly and high-efficiency pyrolysis installation
CN105805756B (en) * 2014-12-30 2019-06-25 湖南金卫环保设备科技有限公司 Environment-friendly garbage high-efficiency thermal decomposition device
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
CN107101207A (en) * 2017-03-29 2017-08-29 李明牛 A kind of low cigarette waste incinerator
CN108167834A (en) * 2017-11-23 2018-06-15 湖南望隆企业管理咨询有限公司 Drying type burning facility in a kind of environment-friendly type

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Effective date of registration: 20091204

Address after: Tuanchengshan Hubei city of Huangshi Province under the road Shen Huangshi Xianghe environmental protection equipment limited liability company

Patentee after: Huangshi Xianghe Environmental Protection Equipment Co., Ltd.

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Patentee before: Yin Jiaqiang

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