CN218209580U - Garbage incinerator for treating medical and domestic garbage - Google Patents

Garbage incinerator for treating medical and domestic garbage Download PDF

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Publication number
CN218209580U
CN218209580U CN202222544628.0U CN202222544628U CN218209580U CN 218209580 U CN218209580 U CN 218209580U CN 202222544628 U CN202222544628 U CN 202222544628U CN 218209580 U CN218209580 U CN 218209580U
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furnace
chamber
section
silicon carbide
denitration
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CN202222544628.0U
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闵鑫沛
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Sichuan Yubo Environmental Protection Technology Co ltd
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Sichuan Yubo Environmental Protection Technology Co ltd
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    • YGENERAL 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E20/00Combustion technologies with mitigation potential
    • Y02E20/12Heat utilisation in combustion or incineration of waste

Abstract

The utility model relates to the technical field of garbage disposal devices, and discloses a garbage incinerator for disposing medical and domestic garbage, wherein two layers of silicon carbide furnace bridges are transversely arranged in a furnace chamber of a primary furnace, the primary furnace is sequentially divided into a top furnace section, a middle furnace section and a lower furnace section from top to bottom by the two layers of silicon carbide furnace bridges, more solid wastes can be disposed at one time by disassembling the silicon carbide furnace bridge on the upper layer, and meanwhile, the silicon carbide is more heat-resistant and can adapt to the solid wastes with higher furnace temperature, so that the solid wastes can be fully pyrolyzed; the top end of the warming furnace is communicated with the interior of the top furnace section, the middle section is provided with a second combustion port for further warming and pyrolyzing smoke, and then the smoke is introduced into the bottom of the furnace chamber of the last-stage furnace; the furnace chamber of the final-stage furnace is vertically divided into a denitration chamber and a main combustion chamber by a transversely arranged partition layer, the bottom surface of the partition layer is an arch surface which is concave upwards, and the top of the bottom surface of the partition layer is provided with a fire throat communicated with the denitration chamber; the wall of the denitration chamber is provided with a denitration jet orifice and a smoke outlet; the furnace wall of the main combustion chamber is provided with a third air pipe for helping the flue gas to be fully combusted and pyrolyzed.

Description

Garbage incinerator for treating medical and domestic garbage
Technical Field
The utility model relates to a refuse treatment technical field, specific saying so, a waste incinerator for handling medical treatment and domestic waste for carry out incineration disposal to medical treatment or domestic waste etc..
Background
Incinerators are commonly used for the harmless treatment of medical and household waste and other harmful wastes. The principle is that coal, fuel oil, fuel gas or biomass fuel and the like are combusted, and waste to be treated is incinerated and carbonized at high temperature to realize harmless treatment of solid waste.
When the existing incinerator and multi-chamber incinerator are used, the energy consumption is large, the temperature is not concentrated, the retention time of flue gas in the incinerator body is short, and the energy cannot be effectively utilized. So that part of the harmful waste and combustion products thereof can not be completely pyrolyzed, residual solid particles of the harmful waste are not effectively treated in ash, and meanwhile, some harmful gas products are discharged into the atmosphere along with smoke to cause pollution. Therefore, it is required to increase the energy utilization rate of the waste incinerator and to increase the furnace temperature of the incinerator to sufficiently pyrolyze toxic gases such as dioxin generated during incineration.
Therefore, a waste incineration furnace structure capable of raising a furnace temperature to sufficiently pyrolyze harmful wastes and combustion products thereof, which is different from the related art, is provided.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to above-mentioned problem, provide a waste incinerator for handling medical treatment and domestic waste, adopt multistage intensification structure.
The utility model discloses a following technical scheme realizes: a garbage incinerator for treating medical and domestic garbage comprises a primary furnace, a heating furnace and a final-stage furnace;
two layers of silicon carbide furnace bridges are transversely and detachably arranged in a furnace chamber of the primary furnace, and divide the primary furnace into a top furnace section, a middle furnace section and a lower furnace section from top to bottom in sequence; the furnace wall of the top furnace section is provided with a feed inlet, the furnace wall of the middle furnace section is provided with a first ash removal port and a first air pipe, and the furnace wall of the lower furnace section is provided with a second air pipe, a first combustion port and a second ash removal port;
the furnace chamber of the final-stage furnace is vertically divided into a denitration chamber and a main combustion chamber by a transversely arranged partition layer, the bottom surface of the partition layer is an upwardly concave arch surface, and the top of the bottom surface of the partition layer is provided with a fire throat communicated with the denitration chamber; the wall of the denitration chamber is provided with a denitration jet orifice and a smoke outlet; the furnace wall of the main combustion chamber is provided with a third ash removal port and a third air pipe;
the top end of the warming furnace is communicated with the interior of the top furnace section, the middle section of the warming furnace is provided with a second combustion port, the bottom end of the warming furnace is communicated with the main combustion chamber, and the bottom furnace wall of the warming furnace is provided with a warming ash removal port.
When the utility model is used, the object to be incinerated is fed into the furnace chamber of the primary furnace from the feed inlet, the solid waste falls on the silicon carbide furnace bridge positioned on the upper layer, the fuel is fed through the first combustion port, the oxygen or air is fed through the first air pipe, and the solid waste is incinerated by ignition; the larger solid waste generated after incineration falls from the gap of the silicon carbide furnace bridge on the upper layer and is cleaned out of the furnace chamber through the first ash cleaning port; the lighter waste generated after incineration enters the heating furnace, is further heated and incinerated through a second combustion port arranged in the heating furnace, is then sent into a main combustion chamber of the final-stage furnace, and is combusted fully through oxygen or air combustion again through a third air pipe arranged in the main combustion chamber; the bottom surface of the partition layer is an arch surface which is concave upwards, and the top of the arch surface is provided with a fire throat which is communicated with the denitration chamber, so that heat can be conveniently gathered at the fire throat, and the temperature of flue gas passing through the fire throat is high enough to fully pyrolyze toxic substances such as dioxin and the like in the flue gas; after entering the flue gas and entering the denitration room, set up denitration spout and spout ammonia water and spout harmful chemical composition such as nitre in to the indoor spraying of denitration room flue gas rapid cooling and decomposition wherein in the denitration.
The silicon carbide furnace bridge is adopted to improve the heat resistance, so that the primary furnace can bear higher incineration temperature, the furnace bridge is prevented from being damaged by high temperature, and the solid waste is favorably and fully pyrolyzed; the two layers of silicon carbide furnace bridges can be detached from the primary furnace, when more solid waste materials to be treated at one time in the primary furnace are available, the silicon carbide furnace bridge at the top layer is detached, so that the solid waste materials fed from the feed inlet fall on the silicon carbide furnace bridge at the lower layer, a larger combustion space is provided, and the treatment capacity is increased; the burning ash falls into the lower furnace section through the silicon carbide furnace bridge and is cleared out through the second ash clearing port.
In order to better realize the utility model, furthermore, the silicon carbide furnace bridge is composed of a plurality of silicon carbide pipelines which transversely run through the primary furnace.
In order to realize better the utility model discloses, further, elementary stove top is equipped with the opening, and the opening part passes through the first top cap of flange fixedly connected with, be equipped with explosion-proof mouthful on the first top cap, prevent that flue gas from backflowing in the elementary stove from leading to the explosion to damage furnace body structure and incident.
In order to better realize the utility model discloses, still further, the top furnace section is equipped with the temperature sensor who stretches into the furnace chamber.
In order to realize better the utility model discloses, further, be located respectively be equipped with an air bin in the oven of first tuber pipe, second tuber pipe and third tuber pipe department, the air bin is the lumen that links up from beginning to end, the air bin has the air intake that extends the furnace body with external air supply arrangement, the air bin with first tuber pipe or second tuber pipe or third tuber pipe intercommunication.
In order to realize better the utility model discloses, further, the top of intensification stove is equipped with the mouth of releasing, just the mouth of releasing department is equipped with the electro-pneumatic normally open valve.
In order to better realize the utility model discloses, still further, the denitration roof of last stage stove is equipped with the opening, and the opening part passes through flange fixedly connected with second top cap.
In order to better realize the utility model discloses, still further, the oven and the stove bottom of elementary stove, intensification stove, final stage stove are bilayer structure, bilayer structure is including being located inboard heat preservation, the steel sheet of cladding in the heat preservation outside built by resistant firebrick.
In order to better realize the utility model discloses, still further, waste incinerator's bottom is fixed and is equipped with the channel-section steel base.
Drawings
The technical solutions described below will be clearly and completely described with reference to the accompanying drawings, and it is obvious that the described embodiments are some, but not all embodiments of the present invention.
FIG. 1 is a schematic structural view of a garbage incinerator for treating medical and domestic garbage according to the present invention;
FIG. 2 is a schematic view of the primary furnace of the present invention;
fig. 3 is a schematic structural view of the first top cover of the present invention;
FIG. 4 isbase:Sub>A schematic sectional view taken along line A-A' of FIG. 2;
FIG. 5 is a schematic structural view of the warming furnace of the present invention;
fig. 6 is a schematic structural view of the final stage furnace of the present invention.
Wherein: 1. a primary furnace; 11. a silicon carbide grate; 12. a feed inlet; 13. a first combustion port; 14. a first ash removal port; 15. a first air duct; 16. a second ash removal port; 17. a second air duct; 18. a first top cover; 181. an explosion-proof port; 19. a wind bin; 191. an air inlet; 2. heating the furnace; 21. a discharge port; 22. a second combustion port; 23. heating and ash removing; 3. a final stage furnace; 31. a partition layer; 311. fire throat; 32. a denitration chamber; 321. a denitration jet orifice; 322. a smoke outlet; 323. a second top cover; 33. a main combustion chamber; 331. a third air duct; 332. a third ash removing port; 4. a channel steel base.
Detailed Description
The above-mentioned aspects of the present invention will be further described in detail with reference to the following embodiments. This should not be understood as limiting the scope of the above-described subject matter of the present invention to the following examples only. Various substitutions and alterations can be made according to the ordinary skill in the art and the conventional means without departing from the technical idea of the invention.
Example 1:
the present embodiment provides a waste incinerator for treating medical and domestic garbage, as shown in fig. 1 to 6, comprising a primary furnace 1, a warming furnace 2, a final furnace 3;
an upper layer and a lower layer of silicon carbide furnace bridges 11 are transversely and detachably arranged in the furnace chamber of the primary furnace 1, and the primary furnace 1 is sequentially divided into a top furnace section, a middle furnace section and a lower furnace section from top to bottom by the two layers of silicon carbide furnace bridges 11; the furnace wall of the top furnace section is provided with a feeding hole 12, the furnace wall of the middle furnace section is provided with a first ash removing hole 14 and a first air pipe 15, and the furnace wall of the lower furnace section is provided with a second air pipe 17, a first combustion hole 13 and a second ash removing hole 16;
the furnace chamber of the final-stage furnace 3 is vertically divided into a denitration chamber 32 and a main combustion chamber 33 by a transversely arranged partition layer 31, the bottom surface of the partition layer 31 is an upwardly concave arch surface, and the top of the bottom surface of the partition layer 31 is provided with a fire throat 311 communicated with the denitration chamber 32; the wall of the denitration chamber 32 is provided with a denitration jet 321 and a smoke outlet 322; the furnace wall of the main combustion chamber 33 is provided with a third ash removal opening 332 and a third air pipe 331;
the top end of the warming furnace 2 is communicated with the inside of the top furnace section, the middle section of the warming furnace 2 is provided with a second combustion port 22, the bottom end of the warming furnace 2 is communicated with the main combustion chamber 33, and the bottom furnace wall of the warming furnace 2 is provided with a warming ash removal port 23.
In this embodiment, the object to be incinerated is fed into the furnace chamber of the primary furnace 1 through the feed inlet 12, the solid waste falls on the silicon carbide furnace bridge 11 located on the upper layer, the fuel is fed through the first combustion port 13, the oxygen or air is fed through the first air duct 15, and the solid waste is incinerated by ignition; the larger solid waste generated after incineration falls from the gap of the silicon carbide furnace bridge 11 on the upper layer and is cleaned out of the furnace chamber through the first ash cleaning port 14; the light waste generated after incineration enters the temperature rising furnace 2, is further heated and incinerated through a second combustion port 22 arranged in the temperature rising furnace 2, and is then sent into a main combustion chamber 33 of the final-stage furnace 3, and is combusted fully by oxygen or air through the third air pipe 331 arranged in the main combustion chamber 33 again to support combustion of the flue gas entering the main combustion chamber 33; the bottom surface of the partition layer 31 is an arch surface which is concave upwards, the top of the arch surface is provided with a fire throat 311 leading to the denitration chamber 32, and the structure is convenient for heat to be gathered at the fire throat 311, so that the temperature of the flue gas passing through the fire throat 311 is high enough to fully pyrolyze toxic substances such as dioxin and the like in the flue gas; after entering the flue gas and entering the denitration chamber 32, set up denitration spout in denitration chamber 32 exhaust port 322 department and spout into the ammonia water to 32 in the denitration chamber and cool down fast and decompose the nitre-containing composition in the flue gas.
In the embodiment, the silicon carbide furnace bridge 11 is adopted to improve the heat resistance, so that the primary furnace 1 can bear higher incineration temperature, the furnace bridge is prevented from being damaged by high temperature, and the solid waste is favorably and fully pyrolyzed; the two layers of the silicon carbide furnace bridges 11 can be detached from the primary furnace 1, when more solid waste materials to be treated at one time exist in the primary furnace 1, the silicon carbide furnace bridge 11 at the top layer is detached, so that the solid waste materials fed from the feeding hole 12 fall on the silicon carbide furnace bridge 11 at the lower layer, a larger combustion space is provided, and the treatment capacity is increased; the combustion ash falls through the silicon carbide grate 11 into the lower furnace section and is removed through a second ash removal port 16.
Example 2:
the embodiment is further optimized and realized on the basis of the embodiment 1, and the silicon carbide furnace bridge 11 consists of a plurality of silicon carbide pipelines which transversely penetrate through the primary furnace 1.
As shown in fig. 2 and 3, an opening is formed in the top of the primary furnace 1, a first top cover 18 is fixedly connected to the opening through a flange, and an explosion-proof opening 181 is formed in the first top cover 18 to prevent explosion damage to a furnace body structure and safety accidents caused by smoke gas in the primary furnace 1 from being burned back.
As shown in fig. 2, the top furnace section is provided with a temperature sensor extending into the furnace chamber.
As shown in fig. 2 and 6, one wind bin 19 is respectively arranged in the furnace walls of the first wind pipe 15, the second wind pipe 17 and the third wind pipe 331; as shown in fig. 4, the air box 19 is a pipe cavity connected end to end, the air box 19 has an air inlet 191 extending out of the furnace body to externally connect an air supply device, and the air box 19 is communicated with the first air pipe 15, the second air pipe 17 or the third air pipe 331.
As shown in fig. 6, a discharge port 21 is provided in the top of the temperature raising furnace 2, and an electro-pneumatic normally open valve is provided in the discharge port 21.
An opening is formed in the top of the denitration chamber 32 of the final-stage furnace 3, and a second top cover 323 is fixedly connected to the opening through a flange.
As shown in fig. 1, 2, 5 and 6, the furnace walls and the furnace bottoms of the primary furnace 1, the temperature raising furnace 2 and the final furnace 3 are all of a double-layer structure including an insulating layer made of refractory bricks on the inner side and a steel plate covering the outer side of the insulating layer.
And a channel steel base 4 is fixedly arranged at the bottom of the garbage incinerator.
Other parts of this embodiment are the same as those of embodiment 1, and thus are not described again.
The above, only be the preferred embodiment of the present invention, it is not right the utility model discloses do the restriction in any form, all be according to the utility model discloses a technical entity is any simple modification, the equivalent change of doing to above embodiment, all fall into within the protection scope of the utility model.

Claims (9)

1. A waste incinerator for disposing medical and domestic garbage is characterized in that: comprises a primary furnace (1), a heating furnace (2) and a final furnace (3);
two layers of silicon carbide furnace bridges (11) are transversely arranged in a furnace chamber of the primary furnace (1), and the primary furnace (1) is sequentially divided into a top furnace section, a middle furnace section and a lower furnace section from top to bottom by the two layers of silicon carbide furnace bridges (11); a feed inlet (12) is formed in the furnace wall of the top furnace section, a first ash removal port (14) and a first air pipe (15) are formed in the furnace wall of the middle furnace section, and a second air pipe (17), a first combustion port (13) and a second ash removal port (16) are formed in the furnace wall of the lower furnace section;
the furnace chamber of the final-stage furnace (3) is vertically divided into a denitration chamber (32) and a main combustion chamber (33) through a transversely arranged partition layer (31), the bottom surface of the partition layer (31) is an upwardly concave arch surface, and the top of the bottom surface of the partition layer (31) is provided with a fire throat (311) communicated with the denitration chamber (32); the wall of the denitration chamber (32) is provided with a denitration jet orifice (321) and a smoke outlet (322); the furnace wall of the main combustion chamber (33) is provided with a third ash cleaning port (332) and a third air pipe (331);
the top end of the warming furnace (2) is communicated with the inside of the top furnace section, the middle section of the warming furnace (2) is provided with a second combustion port (22), the bottom end of the warming furnace (2) is communicated with the main combustion chamber (33), and the bottom wall of the warming furnace (2) is provided with a warming ash removal port (23).
2. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: the silicon carbide furnace bridge (11) is composed of a plurality of silicon carbide pipelines which transversely penetrate through the primary furnace (1).
3. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: the top of the primary furnace (1) is provided with an opening, the opening is fixedly connected with a first top cover (18) through a flange, and an explosion-proof opening (181) is formed in the first top cover (18).
4. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: and the top furnace section is provided with a temperature sensor extending into the furnace chamber.
5. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: the air bins (19) are respectively arranged in furnace walls at the positions of the first air pipe (15), the second air pipe (17) and the third air pipe (331), the air bins (19) are pipe cavities connected end to end, the air bins (19) are provided with air inlets (191) extending out of the furnace body to be externally connected with an air supply device, and the air bins (19) are communicated with the first air pipe (15) or the second air pipe (17) or the third air pipe (331).
6. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: the top of the warming furnace (2) is provided with a discharge port (21), and an electro-pneumatic normally open valve is arranged at the discharge port (21).
7. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: an opening is formed in the top of the denitration chamber (32) of the final-stage furnace (3), and a second top cover (323) is fixedly connected to the opening through a flange.
8. A waste incinerator for disposing medical and domestic waste as claimed in claim 1 wherein: the furnace walls and the furnace bottom of the primary furnace (1), the warming furnace (2) and the final furnace (3) are of double-layer structures, and the double-layer structures comprise heat preservation layers which are arranged on the inner sides and built by refractory bricks and steel plates which are coated on the outer sides of the heat preservation layers.
9. The garbage incinerator for treating medical and domestic garbage according to claim 1, wherein said garbage incinerator comprises: and a channel steel base (4) is fixedly arranged at the bottom of the garbage incinerator.
CN202222544628.0U 2022-09-26 2022-09-26 Garbage incinerator for treating medical and domestic garbage Active CN218209580U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202222544628.0U CN218209580U (en) 2022-09-26 2022-09-26 Garbage incinerator for treating medical and domestic garbage

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202222544628.0U CN218209580U (en) 2022-09-26 2022-09-26 Garbage incinerator for treating medical and domestic garbage

Publications (1)

Publication Number Publication Date
CN218209580U true CN218209580U (en) 2023-01-03

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN202222544628.0U Active CN218209580U (en) 2022-09-26 2022-09-26 Garbage incinerator for treating medical and domestic garbage

Country Status (1)

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CN (1) CN218209580U (en)

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