CN100380049C - Incinerator for medical garbage - Google Patents

Incinerator for medical garbage Download PDF

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Publication number
CN100380049C
CN100380049C CNB2005100190420A CN200510019042A CN100380049C CN 100380049 C CN100380049 C CN 100380049C CN B2005100190420 A CNB2005100190420 A CN B2005100190420A CN 200510019042 A CN200510019042 A CN 200510019042A CN 100380049 C CN100380049 C CN 100380049C
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CN
China
Prior art keywords
main combustion
combustion chamber
burning chamber
incinerator
chamber
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Application number
CNB2005100190420A
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Chinese (zh)
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CN1782497A (en
Inventor
郭光玉
甘焱生
陈正元
鞠永福
李志斌
田勇
汪昌鼎
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宜昌市九天环保科技有限公司
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Priority to CNB2005100190420A priority Critical patent/CN100380049C/en
Publication of CN1782497A publication Critical patent/CN1782497A/en
Application granted granted Critical
Publication of CN100380049C publication Critical patent/CN100380049C/en

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Abstract

The present invention discloses an incinerator for medical garbage, which comprises an incinerator body with a vertical cylindrical structure, a feeder arranged on an incinerator top, and a reciprocating lifting charging device, wherein the incinerator body is composed of a main burning chamber and an annular secondary burning chamber, and the main burning chamber is provided with a turnover grate and a tower type arch breaking and crushing device. The central main burning chamber and the annular secondary burning chamber form a structure in a shape like the Chinese character ' hui', and the main burning chamber and the secondary burning chamber use an integral structure; the fume enters the secondary burning chamber from the main burning chamber through a labyrinth fume channel, and is exhausted after post-treatment of the fume; the combustion-supporting air is divided into three parts to enter the main burning chamber; the heat conduction of an annular baffle wall and the heat conduction of a hanging device of big materials cause the unburned fume to make a secondary combustion in the secondary burning chamber, the heat of the burned incineration object is completely used, and the convection, the conduction and the radiation of the heat energy are sufficiently used for increasing the temperature of the secondary burning chamber. The incinerator for medical garbage can cause that the temperature comes up to the standards and the fume staying time comes up to the standards in the secondary burning chamber without adding auxiliary fuel for supporting combustion, and the operating cost is greatly reduced.

Description

Incinerator for medical garbage

Technical field

The present invention relates to a kind of incinerator, especially a kind of incinerator for medical garbage.

Background technology

Dispose for medical waste, what extensively adopt in the world is the burning method disposal technology, burning method found the factory with it take up an area of less, reduced investment, efficient height, low cost and other advantages and paid attention to by people.At present, be generally the mechanical type grate furnace from the incinerator for medical garbage of external introduction, this type of furnace requires high to calorific value, have only the less medical waste of ash content that combustion efficiency is preferably just arranged, when the calorific value of medical waste is lower than 4000kj/kg, need oil spout combustion-supporting, increased operating cost.And there is above-mentioned drawback equally in the incinerator for medical garbage of domestic production, and main combustion chamber and dual firing chamber divide and be arranged, and is connected by flue between main combustion chamber and the dual firing chamber, and heat scatters and disappears greatly, and dual firing chamber burns all needs to rely on fuel oil.

Summary of the invention

Purpose of the present invention is exactly the shortcoming that overcomes prior art, provide a kind of can sufficient combustion, reduce or stop to be harmful to, self-burning type incinerator for medical garbage that noxious material produces.

The object of the present invention is achieved like this: a kind of incinerator for medical garbage, the body of heater that comprises the vertical and cylindrical structure, be arranged on the feed arrangement 2 of furnace roof, reciprocating type lifting feeding device 1, body of heater is made up of the dual firing chamber 14 of main combustion chamber 4 and annular, main combustion chamber 4 is provided with dump grate 3, tower broken arch breaker 5, the main combustion chamber 4 at body of heater center and the dual firing chamber of annular 14 form the coaxial sleeve formula and are " returning " font structure, main combustion chamber 4 and and dual firing chamber 14 between ring-type partition wall 15 constitute " returning " font inner rings, dual firing chamber's 14 outer field refractory heat-insulating heat-insulation layers 16 are " returning " font outer ring, in, symmetric arrangement even number face partition wall 26 between the outer ring, partition wall 26 is arranged from the top of dual firing chamber 14 is vertical downwards, dual firing chamber 14 is divided into even number top sealing and chamber that the bottom interconnects, exhaust gases passes 1 is arranged at dual firing chamber 14 tops, exhaust gases passes 2 27 is communicated with main combustion chamber 4 and outlet flue 17 respectively, the burner hearth middle part is provided with the aniseed suspension arrangement, dump grate is positioned at aniseed suspension arrangement top, aniseed suspension arrangement 12 1 ends are positioned at main combustion chamber 4, the other end is positioned at dual firing chamber 14, preheating fan 20 is communicated with by preheated air import 11 with main combustion chamber 4, the circulating flue gas outlet 18 that is positioned at the body of heater top links to each other with the import of circulating fan 21, the outlet of circulating fan 21 is communicated with main combustion chamber 4 by circulating flue gas import 19, end wind airduct 9 passes the ashes heat zone and enters main combustion chamber, and end wind blower fan 22 is communicated with main combustion chamber 4 by end wind airduct 9.

Above-mentioned incinerator for medical garbage is characterized in that: described dump grate is a twin shaft oven dry dump grate 3.

Above-mentioned incinerator for medical garbage is characterized in that: described feed arrangement is a twice lock wind feed arrangement 5.

Above-mentioned incinerator for medical garbage, it is characterized in that: tower broken arch breaker 5 is to be enclosed within on the main shaft 7, main shaft 7 is connected with discharging drive unit 24 by big pinion, tower broken arch breaker 5 has some holes with the edge and tower broken arch breaker 5 bottoms of main combustion chamber 4, hopper 6 is positioned at tower broken arch breaker 5 bottoms, and hopper 6 is connected with discharging awl bucket 8

Above-mentioned incinerator for medical garbage is characterized in that: dual firing chamber 14 bottoms are provided with auger conveyor 10.

Adopt after the said structure, combustion air divides three the tunnel to enter main combustion chamber, after three road combustion airs mix, through the high temperature incineration district, the less material of proportion enters fully burning of dual firing chamber's 14 continuation together with unburned is complete, main combustion chamber and dual firing chamber adopt incorporate structure, heat scatters and disappears and significantly reduces, main combustion chamber enters the flue gas of dual firing chamber through the labyrinth flue, the heat conduction of ring-type partition wall 15 and the heat conduction of aniseed suspension arrangement 12 make does not fire clean flue gas in dual firing chamber's 14 second-time burnings, made full use of the heat of spent incinerated matter, and made full use of the convection current of heat energy, conduction and radiation improve the temperature of dual firing chamber, so it is combustion-supporting that the present invention need not add auxiliary fuel, can make dual firing chamber's temperature up to standard, gas residence time is up to standard, has significantly reduced operating cost.

Because at furnace roof twice lock wind feed arrangement is set, so the present invention goes in the process of stove in medical waste, convection current can not take place in the furnace gas and the external world.

Owing to adopted twin shaft oven dry dump grate, so combustion zone temperature of the present invention field is stable.

Owing to adopted tower broken arch breaker, the invention solves brokenly the problem of arch and end wind inequality

Owing to be provided with automatic ash removing auger conveyor 10 in dual firing chamber 14 bottoms, the flue dust that deposits in the dual firing chamber 14 be transported in the main combustion chamber 4, so the present invention can reduce the disposal of pollutants point.

Description of drawings

Be described further below in conjunction with drawings and Examples.

Fig. 1 is a structural representation of the present invention.Wherein, Fig. 1 double as Figure of abstract.

The specific embodiment

As shown in the figure, a kind of incinerator for medical garbage, body of heater is the body of heater of vertical and cylindrical structure, furnace roof is provided with twice lock wind feed arrangement, twice lock wind feed arrangement links to each other with reciprocating type lifting feeding device, promote feeding device bunker opening when ground and be convenient to charging automatically up, and the bunker opening is convenient to discharging automatically down when rising to the body of heater top, during discharging, pending rubbish drops on earlier on one air valve valve plate, and when blanking was instructed, last one air valve opened, rubbish drops on down on one air valve valve plate, be that rubbish is in, in the cavity between the following road air valve, treat one air valve valve plate closure after, following one air valve valve plate opened, treat that rubbish drops on the twin shaft oven dry dump grate that the main combustion chamber upper level is provided with time-delay then and closes plate, go round and begin again.Go in the process of stove at rubbish, convection current can not take place in the furnace gas and the external world.

Main combustion chamber is provided with twin shaft oven dry dump grate and aniseed suspension arrangement, medical waste drops on the twin shaft oven dry dump grate, carry out preheating, oven dry, destructive distillation, broken bag and cloth, after having treated the blanking instruction, the upset of twin shaft oven dry dump grate, medical waste drops on the burning of main combustion chamber combustion zone, then can hang over unsettled burning on the bulk suspension arrangement if meet the bulk medical waste.Because having been arranged, the effect of twin shaft oven dry dump grate guaranteed the stable of combustion zone temperature field.

Because main combustion chamber 4 combustion zone ignition temperatures are very high, medical waste is easily coking caking arch camber in the after-flame process, causes the discharging difficulty; To guarantee that in addition the combustion zone temperature field is stable, must guarantee by the certain thickness bottom fire layer of forming by ashes, the positive center of ashes packing maximum in the cylindrical main combustion chamber 4, reduce gradually along radius augment direction packing, like this under end wind fan action, be unfavorable for the clean-burning situation of medical waste a little less than will inevitably forming main combustion chamber inward flange wind Sheng center wind, be designed to bore the problem that the big tower broken arch breaker of the big draught area of high tooth has then solved above-mentioned broken arch and end wind inequality; Tower broken arch breaker is to be enclosed within on the main shaft, main shaft is connected with the discharging drive unit by big pinion, open and stop fast and slowly by control discharging drive unit, make the Qi Yuting, many and few of discharging in the stove, thereby control the relative position of main combustion chamber combustion zone; Tower broken arch breaker rotates, and ashes will fall into hopper from the edge and the tower broken arch breaker vertical direction hole of tower broken arch breaker and main combustion chamber, and the ashes in the hopper then import discharging awl bucket.

The dual firing chamber of the main combustion chamber at center and annular forms " returning " font structure, main combustion chamber 4 and and dual firing chamber 14 between ring-type partition wall 15 constitute " returning " font inner rings, dual firing chamber's 14 outer field refractory heat-insulating heat-insulation layers 16 are " returning " font outer ring, in, 4 partition walls 26 of symmetric arrangement between the outer ring, partition wall 26 is arranged from the top of dual firing chamber is vertical downwards, dual firing chamber is divided into the sealing of 4 tops and chamber that the bottom interconnects, exhaust gases passes 1 is arranged at dual firing chamber 14 tops, exhaust gases passes 2 27 is communicated with main combustion chamber 4 and outlet flue 17 respectively, aniseed suspension arrangement 12 1 ends are positioned at main combustion chamber 4, the other end is positioned at dual firing chamber 14, preheating fan 20 is communicated with by preheated air import 11 with main combustion chamber 4, the circulating flue gas outlet 18 that is positioned at the body of heater top links to each other with the import of circulating fan 21, the outlet of circulating fan 21 is communicated with main combustion chamber 4 by circulating flue gas import 19, end wind airduct 9 passes the ashes heat zone and enters main combustion chamber, and end wind blower fan 22 is communicated with main combustion chamber 4 by end wind airduct 9.Combustion air divides three the tunnel to enter main combustion chamber, and the one, will tangentially enter main combustion chamber 4 through preheating fan 20 and preheated air import 11 through the preheated air after the preheating; The 2nd, main combustion chamber 4 tops are contained the wet more gas of fuel gas composition that contains enter main combustion chamber through circulating flue gas outlet 18, circulating fan 21 and circulating flue gas import 19 and carry out circulating combustion, to reduce the discharging of fuel gas; The 3rd, air passes the ashes heat zone through end wind blower fan 22, end wind airduct 9 and enters main combustion chamber 4, forms the state of oxygen-enriched combusting.After three road combustion airs mix, through the high temperature incineration district, the less material of proportion enters fully burning of dual firing chamber's 14 continuation together with unburned is complete, the passage 13 of the combustion product gases of main combustion chamber 4 between main combustion chamber and dual firing chamber, from top to bottom, revolve and turn 90 degrees, this path is the labyrinth flue, enter afterbody purified treatment unit through outlet flue 17 from bottom to top again, last under the air-introduced machine effect of afterbody, post processing emptying through flue gas, do not fire clean flue gas in dual firing chamber's 14 second-time burnings owing to utilized the heat of the heat conduction of ring-type partition wall 15 and aniseed suspension arrangement 12 to conduct to make, it is combustion-supporting that this process need not be added auxiliary fuel, and can make dual firing chamber's temperature up to standard, gas residence time is up to standard, has significantly reduced operating cost.

Dual firing chamber 14 bottoms are provided with automatic ash removing auger conveyor 10, and the flue dust that deposits in the dual firing chamber 14 is transported in the main combustion chamber 4 to reduce the disposal of pollutants point, also can pin the ventilation between main combustion chamber 4 and the dual firing chamber 14 simultaneously.

Claims (5)

1. incinerator for medical garbage, the body of heater that comprises the vertical and cylindrical structure, be arranged on the feed arrangement (2) of furnace roof, reciprocating type lifting feeding device (1), body of heater is made up of the dual firing chamber (14) of main combustion chamber (4) and annular, be provided with dump grate (3) in the main combustion chamber (4), tower broken arch breaker (5), it is characterized in that: the dual firing chamber (141) of main combustion chamber at body of heater center (4) and annular forms the coaxial sleeve formula and is the neighbour body structure of " returning " font, main combustion chamber (4) and and dual firing chamber (14) between ring-type partition wall (15) constitute " returning " font inner ring, the outer field refractory heat-insulating heat-insulation layer of dual firing chamber (14) (16) is " returning " font outer ring, in, symmetric arrangement even number face partition wall (26) between the outer ring, partition wall (26) is arranged from the top of dual firing chamber (14) is vertical downwards, dual firing chamber (14) is divided into even number top sealing and chamber that the bottom interconnects, exhaust gases passes one (13) is arranged at dual firing chamber (14) top, exhaust gases passes two (27) is communicated with main combustion chamber (4) and outlet flue (17) respectively, main combustion chamber (4) middle part is provided with aniseed suspension arrangement (12), dump grate (3) is positioned at aniseed suspension arrangement (12) top, aniseed suspension arrangement (12) one ends are positioned at main combustion chamber (4), the other end is positioned at dual firing chamber (14), preheating fan (20) is communicated with by preheated air import (11) with main combustion chamber (4), the circulating flue gas outlet (18) that is positioned at the body of heater top links to each other with the import of circulating fan (21), the outlet of circulating fan (21) is communicated with main combustion chamber (4) by circulating flue gas import (19), end wind airduct (9) passes the ashes heat zone and enters main combustion chamber (4), and end wind blower fan (22) is communicated with main combustion chamber (4) by end wind airduct (9).
2. a kind of incinerator for medical garbage according to claim 1 is characterized in that: described dump grate is a twin shaft oven dry dump grate (3).
3. a kind of incinerator for medical garbage according to claim 1 is characterized in that: described feed arrangement is a twice lock wind feed arrangement (2).
4. a kind of incinerator for medical garbage according to claim 1, it is characterized in that: tower broken arch breaker (5) is to be enclosed within on the main shaft (7), main shaft (7) is connected with discharging drive unit (24) by big pinion, tower broken arch breaker (5) has some holes with the edge and tower broken arch breaker (5) bottom of main combustion chamber (4), hopper (6) is positioned at tower broken arch breaker (5) bottom, and hopper (6) is connected with discharging awl bucket (8).
5. a kind of incinerator for medical garbage according to claim 1 is characterized in that: dual firing chamber (14) bottom is provided with auger conveyor (10).
CNB2005100190420A 2005-07-01 2005-07-01 Incinerator for medical garbage CN100380049C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNB2005100190420A CN100380049C (en) 2005-07-01 2005-07-01 Incinerator for medical garbage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNB2005100190420A CN100380049C (en) 2005-07-01 2005-07-01 Incinerator for medical garbage

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CN1782497A CN1782497A (en) 2006-06-07
CN100380049C true CN100380049C (en) 2008-04-09

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102261661B (en) * 2011-06-22 2013-03-20 宜昌市九天环保科技有限公司 House refuse incineration gasifier
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
CN103335315B (en) * 2013-06-18 2015-09-23 浙江睿洋科技有限公司 Refuse pyrolysis incinerator and method of work thereof
CN104100980B (en) * 2014-07-01 2016-03-16 深圳合续环境科技有限公司 A kind of small-sized rubbish charing combustion furnace

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072008A (en) * 1991-10-28 1993-05-12 中尾股份有限公司 Incinerator
US5397551A (en) * 1992-07-09 1995-03-14 Daesung Industrial Co., Ltd. Incinerator
JPH08285257A (en) * 1995-04-13 1996-11-01 Daitouwa Tekko Kk Incineration furnace
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
CN2804646Y (en) * 2005-07-01 2006-08-09 宜昌市九天环保科技有限公司 Medical garbage incinerator

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1072008A (en) * 1991-10-28 1993-05-12 中尾股份有限公司 Incinerator
US5397551A (en) * 1992-07-09 1995-03-14 Daesung Industrial Co., Ltd. Incinerator
JPH08285257A (en) * 1995-04-13 1996-11-01 Daitouwa Tekko Kk Incineration furnace
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
CN2804646Y (en) * 2005-07-01 2006-08-09 宜昌市九天环保科技有限公司 Medical garbage incinerator

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Granted publication date: 20080409

Termination date: 20180701