CN210398935U - Gasification, incineration and melting integrated furnace - Google Patents
Gasification, incineration and melting integrated furnace Download PDFInfo
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- CN210398935U CN210398935U CN201921196273.2U CN201921196273U CN210398935U CN 210398935 U CN210398935 U CN 210398935U CN 201921196273 U CN201921196273 U CN 201921196273U CN 210398935 U CN210398935 U CN 210398935U
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Abstract
The utility model discloses a gasification incineration and melting integrated furnace, which comprises a first combustion chamber (20), a second combustion chamber (30) and a melting section (40); the first combustion chamber (20) is a rotary gasification furnace and is used for burning solid wastes to form gasified gas, flue gas, fly ash and slag; the first combustion chamber (20) having an inlet (21) and an outlet (22) and being inclined downwardly in a direction from the inlet (21) to the outlet (22); the second combustion chamber (30) is vertically arranged and communicated with the outlet (22) and is used for combusting and heating the gasified gas and the flue gas formed in the first combustion chamber (20) and settling part of fly ash; a melting section (40) is disposed below the second combustion chamber (30) for collecting and melt processing slag and fly ash. The utility model discloses a solid waste's gasification, burn and fused integration, equipment is compact, and is easy and simple to handle, can carry out effective processing to solid waste.
Description
Technical Field
The utility model relates to the technical field of waste treatment, especially, relate to a gasification burns integrative stove of melting.
Background
With the rapid development of the economy of China, the generation amount of hazardous wastes is increased sharply. In view of the potential environmental risks, especially the threat to human health, the treatment of hazardous waste has become one of the major environmental problems facing China.
The incineration method is one of common methods for hazardous waste treatment, and can effectively decompose toxic and harmful substances in the hazardous waste, reduce the volume and the quality of the waste, and facilitate the final safe disposal of the waste, but the incineration residue is basically hazardous substances, contains a large amount of dioxin toxic substances and heavy metals, and the substances can migrate in the natural environment if not properly disposed, thereby causing harm to the living environment of human beings.
SUMMERY OF THE UTILITY MODEL
In order to solve the problems existing in the prior art, the utility model provides a gasification, incineration and melting integrated furnace.
The utility model discloses technical scheme as to above-mentioned technical problem and propose as follows: constructing a gasification, incineration and melting integrated furnace, which comprises a feed hopper, a first combustion chamber, a second combustion chamber and a melting section; the first combustion chamber is a rotary gasification furnace and is used for burning solid waste to form gasified gas, flue gas, fly ash and slag; has an inlet and an outlet, and is inclined downwards along the direction from the inlet to the outlet, and forms an inclination angle of 1-5 degrees with the horizontal plane; the inlet is communicated with the outlet of the feed hopper; the second combustion chamber is vertically arranged, is communicated with the outlet and is used for heating and treating gasified gas and flue gas formed in the first combustion chamber and settling part of fly ash; the melting section is arranged below the second combustion chamber and communicated with the second combustion chamber and used for collecting and melting and processing slag formed in the first combustion chamber and fly ash settled in the second combustion chamber.
Furthermore, the melting section comprises a slag storage bin, a mixing and metering crushing bin, a melting furnace and a water sealing cylinder, wherein the slag storage bin is communicated with the bottom of the second combustion chamber, gradually reduces the diameter from top to bottom and is used for storing slag and fly ash; an openable inserting plate is arranged at the bottom of the slag storage bin; the mixing, metering and crushing bin is communicated with and arranged below the slag storage bin and is used for metering and mixing the slag, the fly ash and other blended formula substances; the mixing and metering crushing bin is also provided with an extrusion type crusher for crushing slag, fly ash and formula substances; the smelting furnace is arranged below the mixing and metering crushing bin and is used for melting slag, fly ash and formula substances to form glassy substances; the side wall of the melting furnace is provided with a discharge hole for leading out the glass-like materials; one end of the water sealing cylinder is connected with the discharge hole, and the other end of the water sealing cylinder is connected with the sealing water tank and used for cooling the glass-like substance and carrying out water sealing on the smelting furnace.
Furthermore, the outer wall of the slag storage bin is provided with a formula port for introducing formula substances.
Furthermore, the smelting furnace has a plurality of, and the mixing measurement crushing storehouse bottom is provided with the diverter valve that is used for switching on mixing measurement crushing storehouse and a plurality of smelting furnaces.
Furthermore, the gasification, incineration and melting integrated furnace also comprises a smoke return pipe, one end of the smoke return pipe is communicated with the smelting furnace, and the other end of the smoke return pipe is communicated with the second combustion chamber and used for conveying smoke generated in the smelting furnace to the second combustion chamber for combustion and decomposition.
Further, the outlet tangentially penetrates the second combustion chamber sidewall and communicates with the second combustion chamber.
Further, be provided with heat-resisting iron chain in the first combustion chamber, heat-resisting iron chain is used for carrying out the breakage to solid waste, heat-resisting iron chain is close to the exit, with the inner wall fixed connection of first combustion chamber.
Further, the furnace is wrapped with a heat generating component for heating the furnace or inserted with a plasma torch.
Furthermore, the upper part of the second combustion chamber is provided with an exhaust port.
The embodiment of the utility model provides a beneficial effect that technical scheme brought is: solid waste is sent into a first combustion chamber through a feed hopper to be burnt, residue, smoke, fly ash and gasified gas are generated after the solid waste is burnt, the smoke and the gasified gas exhausted from the first combustion chamber enter a second combustion chamber, and the second combustion chamber decomposes macromolecules and dioxin in the smoke and thoroughly burns other various toxic and harmful substances; then, the flying ash after slag and the burning gets into the melting section to add the formula material to the melting section, form glass material, carry out effective, the handling up to standard to solid waste, realize the biggest minimizing of solid waste, avoid the pollution to the environment, the utility model provides an integrative stove collects gasification, burns, the melting advantage is as an organic whole, the operation is stable, the working costs is low.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a gasification, incineration and melting integrated furnace according to a preferred embodiment of the present invention.
Detailed Description
In order to solve among the prior art residue of burning basically all be hazardous waste, contain a large amount of dioxin class noxious material and heavy metal, and above-mentioned material if can not properly handle, can migrate in natural environment, causes the technical problem of harm to human living environment, the utility model aims at providing a gasification burns integrative stove of melting, and its core thought is: provided is a gasification incineration and melting integrated furnace, comprising: a feed hopper, a first combustion chamber, a second combustion chamber and a melting section; the first combustion chamber is a rotary gasification furnace and burns solid wastes to form gasified gas, flue gas, fly ash and slag; the second combustion chamber heats and processes the gasified gas and the flue gas formed in the first combustion chamber, and part of fly ash is settled; the melting section collects slag formed in the first combustion chamber and fly ash formed in the second combustion chamber, and melts the slag and the fly ash. Thereby realizing the integration of gasification, incineration and melting of the solid waste, having compact equipment, effectively treating the solid waste and avoiding the pollution to the environment.
In order to make the objects, technical solutions and technical effects of the present invention clearer, the following will describe embodiments of the present invention in further detail with reference to the accompanying drawings.
As shown in fig. 1, fig. 1 is a schematic structural diagram of a gasification, incineration and melting integrated furnace according to a preferred embodiment of the present invention. The utility model discloses preferred embodiment provides a gasification burns integrative stove of melting, include: a feed hopper 10, a first combustion chamber 20, a second combustion chamber 30 and a melting section 40; the feed hopper 10 is used for pushing the solid waste into the gasification incineration melting integrated furnace; the first combustion chamber 20 is a rotary gasification furnace, and is used for burning solid waste to form gasified gas, flue gas, fly ash and slag, and the solid waste is subjected to continuous processes of drying, firing, burning, gasifying and burning out in the first combustion chamber 20; wherein the gasification gas comprises H2And CO.
The first combustion chamber 20 has an inlet 21 and an outlet 22 and is inclined downwardly in a direction from the inlet 21 to the outlet 22 at an angle of 1-5 ° to the horizontal; the solid waste is enabled to move from the inlet 21 to the outlet 22 under the dual actions of gravity and the rotation action of the first combustion chamber 20, so that the solid waste is prevented from being blocked in the first combustion chamber 20, and the efficiency of the gasification incineration melting furnace is reduced; the inlet 21 is communicated with the feed hopper 10; solid waste is fed through a feed hopper 10 and then introduced into a first combustion chamber 20 through the feed hopper 10;
the second combustion chamber 30 is vertically arranged, is communicated with the outlet 22, heats the gasified gas and the flue gas formed in the first combustion chamber 20, and settles part of the fly ash; specifically, the method comprises the following steps: the gasified gas and the flue gas generated in the first combustion chamber 20 and the secondary air sprayed in the second combustion chamber 30 are mixed and combusted, and the flue gas is kept at the high temperature of 1100-1250 ℃ for more than 2 seconds, so that macromolecules and dioxin in the flue gas are decomposed and other various toxic and harmful substances are thoroughly burnt;
the melting section 40 is disposed below the second combustor 30 and communicates with the second combustor 30 for collecting and melt-processing the slag formed in the first combustor 20 and the fly ash settled in the second combustor 30, thereby achieving melting of the slag and toxic substances present in the fly ash.
Further, as can be seen in fig. 1: the melting section 40 comprises a slag storage bin 41, a mixing and metering crushing bin 42, a melting furnace 43 and a water sealing cylinder 44; the slag storage bin 41 is communicated with the bottom of the second combustion chamber 30, gradually reduces the diameter from top to bottom and is used for storing slag and fly ash;
an openable inserting plate 411 is arranged at the bottom of the slag storage bin 41; the slag and the fly ash are conveniently conveyed into the mixed metering crushing bin 42 when needed by opening the heat-resistant and wear-resistant inserting plate 411;
in order to melt the slag and the fly ash, the outer wall of the slag storage bin 41 is also provided with a formula port 45, and the formula port 45 is used for introducing a formula substance, so that the slag and the fly ash generate a glassy substance under the action of the formula substance, the fixation of heavy metals in the slag and the fly ash is realized, and the pollution to the environment is avoided;
the mixing, metering and crushing bin 42 is arranged below the slag storage bin 41 and is used for metering and mixing slag, fly ash and formula substances and improving the melting speed; further, the mixing and metering crushing bin 42 is also provided with an extrusion crusher 421 for crushing slag, fly ash and other blended formula substances; the slag, the fly ash and the formula substances are crushed, so that the electric energy consumed by melting unit substances is reduced, and the melting efficiency is further improved; the furnace 43 is arranged below the mixing and metering crushing bin 42 and is used for melting slag, fly ash and formula substances to form glassy substances;
the side wall of the smelting furnace 43 is provided with a discharge hole 431 for leading out the glass-like substances; the glass-like substance is led out after reaching a certain height, so that incomplete melting caused by excessive substances in the melting furnace 43 is prevented; and a water sealing cylinder 44 having one end connected to the discharge hole 431 and the other end connected to the sealing water tank 50 for cooling the glass-like material and sealing the melting furnace 43 to prevent external air from entering the melting furnace 43, thereby causing a problem of incomplete melting.
Preferably, the utility model discloses set up a plurality of smelting furnaces 43 to be provided with the diverter valve 46 that is used for switching on mixing the broken storehouse 42 of measurement and a plurality of smelting furnaces 43 in the broken storehouse 42 bottom of mixing measurement, diverter valve 46 can correspond and set up a plurality of exports, corresponds and communicates with a plurality of smelting furnaces 43, can realize a plurality of smelting furnaces 43 parallel work, improves melting efficiency.
Further, it can also be seen from fig. 1 that: the gasification, incineration and melting integrated furnace further comprises a smoke return pipe 60, one end of the smoke return pipe 60 is communicated with the smelting furnace 43, and the other end of the smoke return pipe is communicated with the second combustion chamber 30, and the smoke return pipe is used for conveying smoke generated in the smelting furnace 43 to the second combustion chamber 30 for combustion. Because the flue gas temperature generated by the smelting furnace 43 is high, the flue gas generated by the smelting furnace 43 is conveyed into the second combustion chamber 30, the temperature in the second combustion chamber 30 can be further increased, and the decomposition of macromolecular substances and dioxin in the flue gas in the second combustion chamber 30 is facilitated.
Further, the outlet 22 tangentially penetrates the second combustion chamber 30 and communicates with the second combustion chamber 30, preferably, the center line of the first combustion chamber 20 does not intersect with the center line of the second combustion chamber 30, and is biased to one side of the second combustion chamber 30, so that the flue gas of the second combustion chamber 30 can have a certain rotation to prolong the residence time of the high-temperature flue gas in the second combustion chamber 30; the toxic substances in the smoke are decomposed to the maximum extent.
Preferably, a refractory iron chain 23 is arranged in the first combustion chamber 20, and the solid waste is crushed, so that the slag and the formula entering the smelting furnace 43 are relatively uniformly mixed, and the electric energy consumed by melting unit substances is reduced, wherein the refractory iron chain 23 is fixedly connected with the inner wall of the first combustion chamber 20 near the outlet 22, rotates along with the first combustion chamber 20, and the refractory iron chain 23 has certain extrusion and collision on the slag, so that the crushing of the slag is realized.
Preferably, the melting furnace 43 is wrapped with heat generating components for heating the melting furnace or inserted with a plasma torch 70 to promote the formation of glass substances and improve melting efficiency.
Further, the side wall of the upper part of the second combustion chamber 30 is provided with an exhaust port 31 for exhausting the small molecule gas formed after the gasified gas treatment in the second combustion chamber 30, so as to prevent the danger caused by the over-high pressure in the second combustion chamber 30.
To sum up, the embodiment of the utility model provides a gasification burns integrative stove of melting sends solid waste into the first combustion chamber through the feeder hopper and burns, and solid waste burns the back and produces residue, flue gas, flying dust and gasification gas, and the residue, flue gas, flying dust and gasification gas that discharge from the first combustion chamber get into in the second combustion chamber, and macromolecule and dioxin in the flue gas make other various poisonous and harmful substance thoroughly decomposed and burn; the slag and the fly ash after burning enter the melting section, and form glassy substances with the other blended formula substances, the solid waste is effectively treated up to the standard, the maximum reduction of the solid waste is realized, and the pollution to the environment is avoided, the utility model provides an integrated furnace integrates the advantages of gasification, incineration and melting into a whole, has strong treatment capacity, can treat various combustible solid wastes to a harmless state, and has stable operation, low operation cost, controllable pollution discharge index, outstanding volume reduction effect and good environmental protection effect; the heat energy utilization rate is high through the smoke returning pipe, and the benefit is obvious.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (9)
1. A gasification, incineration and melting integrated furnace is characterized by comprising a feed hopper (10), a first combustion chamber (20), a second combustion chamber (30) and a melting section (40);
the first combustion chamber (20) is a rotary gasification furnace and is used for burning solid wastes to form gasified gas, flue gas, fly ash and slag; the first combustion chamber (20) has an inlet (21) and an outlet (22) and is inclined downwardly in a direction from the inlet (21) to the outlet (22) at an angle of inclination of 1-5 ° to the horizontal; the inlet (21) is communicated with the feed hopper (10);
a second combustion chamber (30) arranged vertically and communicating with the outlet (22) for heat-treating the gasification gas and the flue gas formed in the first combustion chamber (20) and settling a portion of the fly ash;
the melting section (40) is disposed below the second combustion chamber (30) and communicates with the second combustion chamber (30) for collecting and melt-processing slag formed in the first combustion chamber (20) and fly ash settled in the second combustion chamber (30).
2. A gasification, incineration and melting integrated furnace according to claim 1, wherein the melting section (40) includes a slag storage bin (41), a mixing and metering crushing bin (42), a melting furnace (43) and a water sealing cylinder (44);
the slag storage bin (41) is communicated with the bottom of the second combustion chamber (30), gradually reduces the diameter from top to bottom and is used for storing slag and fly ash; an openable inserting plate (411) is arranged at the bottom of the slag storage bin (41);
the mixing, metering and crushing bin (42) is communicated with and arranged below the slag storage bin (41) and is used for metering and mixing slag, fly ash and other blended formula substances; the mixing and metering crushing bin (42) is also provided with an extrusion type crusher (421) for crushing slag, fly ash and formula substances;
the smelting furnace (43) is arranged below the mixing and metering crushing bin (42) and is used for melting slag, fly ash and formulated substances to form glassy substances; the side wall of the smelting furnace (43) is provided with a discharge hole (431) for leading out the glass material;
one end of the water sealing cylinder (44) is connected with the discharge port (431), and the other end is connected with the sealing water tank (50) and used for cooling the glass material and sealing the smelting furnace (43) with water.
3. The gasification, incineration and melting integrated furnace of claim 2, wherein the slag storage bin (41) is provided with a formula port (45) on an outer wall, and the formula port (45) is used for introducing a formula substance.
4. A gasification, incineration and melting integrated furnace according to claim 3, wherein the melting furnace (43) is provided in plurality, and a diverter valve (46) for switching the communication between the mixing, incineration and melting furnace (42) and the plurality of melting furnaces (43) is provided at the bottom of the mixing, incineration and melting furnace (42).
5. The integrated gasification, incineration and melting furnace as claimed in claim 4, wherein the integrated gasification, incineration and melting furnace further comprises a smoke return pipe (60), one end of the smoke return pipe (60) is communicated with the melting furnace (43), and the other end is communicated with the second combustion chamber (30) for conveying the smoke generated in the melting furnace (43) to the second combustion chamber (30) for combustion decomposition.
6. A gasification, incineration and melting integrated furnace according to claim 1, characterised in that the outlet (22) tangentially penetrates the side wall of the second combustion chamber (30) and communicates with the second combustion chamber (30).
7. A gasification, incineration and melting integrated furnace according to claim 1, wherein a refractory iron chain (23) is arranged in the first combustion chamber (20), the refractory iron chain (23) is used for crushing solid waste, and the refractory iron chain (23) is close to the outlet (22) and is fixedly connected with the inner wall of the first combustion chamber (20).
8. A gasification, incineration and melting integrated furnace according to claim 2, characterized in that the melting furnace (43) is wrapped with heat generating components for heating the melting furnace or inserted with a plasma torch (70).
9. A gasification, incineration and melting integrated furnace according to claim 1, wherein an exhaust port (31) is opened at an upper portion of the second combustion chamber (30).
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
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| CN2019207789011 | 2019-05-24 | ||
| CN201920778901 | 2019-05-24 |
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| CN210398935U true CN210398935U (en) | 2020-04-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274246A (en) * | 2019-05-24 | 2019-09-24 | 中广核环境科技(深圳)有限责任公司 | A kind of gasification burning melting all-in-one oven |
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2019
- 2019-07-26 CN CN201921196273.2U patent/CN210398935U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110274246A (en) * | 2019-05-24 | 2019-09-24 | 中广核环境科技(深圳)有限责任公司 | A kind of gasification burning melting all-in-one oven |
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