CN113339808A - Pyrolysis incineration system - Google Patents
Pyrolysis incineration system Download PDFInfo
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- CN113339808A CN113339808A CN202110614923.6A CN202110614923A CN113339808A CN 113339808 A CN113339808 A CN 113339808A CN 202110614923 A CN202110614923 A CN 202110614923A CN 113339808 A CN113339808 A CN 113339808A
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- flue gas
- pyrolysis
- incineration system
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/02—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment
- F23G5/027—Incineration of waste; Incinerator constructions; Details, accessories or control therefor with pretreatment pyrolising or gasifying stage
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/12—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating using gaseous or liquid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
- F23G5/14—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion
- F23G5/16—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating including secondary combustion in a separate combustion chamber
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J15/00—Arrangements of devices for treating smoke or fumes
- F23J15/06—Arrangements of devices for treating smoke or fumes of coolers
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0003—Recuperative heat exchangers the heat being recuperated from exhaust gases
- F28D21/001—Recuperative heat exchangers the heat being recuperated from exhaust gases for thermal power plants or industrial processes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G2206/00—Waste heat recuperation
- F23G2206/10—Waste heat recuperation reintroducing the heat in the same process, e.g. for predrying
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- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/30—Technologies for a more efficient combustion or heat usage
Abstract
The invention discloses a pyrolysis incineration system, which comprises a pyrolysis incinerator and a heat exchanger; the pyrolysis incinerator comprises an incinerator body, and an air inlet and an exhaust port which are arranged on the incinerator body; the heat exchanger comprises a main body, and a flue gas pipeline and a combustion-supporting gas pipeline which are arranged in the main body; the two ends of the flue gas pipeline are respectively a flue gas inlet and a flue gas outlet; the two ends of the combustion-supporting gas pipeline are respectively provided with a combustion-supporting gas inlet and a combustion-supporting gas outlet; the smoke outlet is communicated with the smoke inlet; the combustion-supporting gas outlet is communicated with the gas inlet. Above-mentioned pyrolysis incineration system has add the heat exchanger on pyrolysis incinerator's basis, and then heats combustion-supporting gas in letting in the heat exchanger with exhaust high temperature flue gas, lets in pyrolysis incinerator with the combustion-supporting gas after heating again, makes the heat fully retrieve, and then has avoided high-temperature thermal scattering and disappearing, has reduced pyrolysis incinerator's fuel consumption, has improved energy utilization and has rateed. Therefore, the pyrolysis incineration system provided by the invention can improve the energy utilization rate of the pyrolysis incinerator.
Description
Technical Field
The invention relates to the technical field of pyrolysis incinerators, in particular to a pyrolysis incinerating system.
Background
The pyrolysis and gasification technology is a garbage treatment mode which adopts the steps of pyrolysis, gasification and then complete combustion, and becomes a main mode for incineration treatment of medical garbage and hazardous wastes at present due to the fact that the yield of dioxin is low and the emission cleanliness is high.
However, the pyrolysis gasification technology has higher requirements on the control of the oxygen content and the furnace temperature in the pyrolysis incinerator, so that the fuel consumption is higher and the economy is not ideal; the temperature of the generated flue gas is high, and the discharge of the high-temperature flue gas can further reduce the energy utilization rate of the pyrolysis incinerator, so that the popularization and the application of the pyrolysis gasification technology are limited.
Therefore, how to improve the energy utilization rate of the pyrolysis incinerator is a difficult problem to be solved urgently in the field at the present stage.
Disclosure of Invention
In view of this, the present invention provides a pyrolysis incineration system, which can improve the energy utilization rate of a pyrolysis incinerator and solve the problem in the field at the present stage.
A pyrolysis incineration system includes a pyrolysis incinerator and a heat exchanger;
the pyrolysis incinerator comprises an incinerator body, and an air inlet and an exhaust port which are arranged on the incinerator body;
the heat exchanger comprises a main body, and a flue gas pipeline and a combustion-supporting gas pipeline which are arranged in the main body; the two ends of the flue gas pipeline are respectively communicated with a flue gas inlet and a flue gas outlet; the two ends of the combustion-supporting gas pipeline are respectively provided with a combustion-supporting gas inlet and a combustion-supporting gas outlet;
the smoke outlet is communicated with the smoke inlet; the combustion-supporting gas outlet is communicated with the gas inlet.
Preferably, the pyrolysis incineration system comprises a main body and a pyrolysis incineration system, wherein the main body comprises a first cylinder and a second cylinder which are communicated;
the flue gas pipeline penetrates through the first cylinder and the second cylinder, and the flue gas inlet and the flue gas outlet are respectively positioned in the first cylinder and the second cylinder;
the combustion-supporting gas pipeline penetrates through the first cylinder and the second cylinder, and the combustion-supporting gas inlet and the combustion-supporting gas outlet are respectively located in the second cylinder and the first cylinder.
Preferably, in the pyrolysis incineration system, the first cylinder and the second cylinder are communicated through a flange pipe,
the flue gas pipeline penetrates through the first cylinder and the second cylinder through the flange pipe.
Preferably, in the pyrolysis incineration system, the combustion-supporting gas pipeline penetrates through the first cylinder and the second cylinder through an external connecting pipe;
the outlet end of the combustion-supporting gas pipeline in the second cylinder penetrates through the side wall of the second cylinder and is communicated with the external connecting pipe;
the outlet end of the external connecting pipe and the combustion-supporting gas outlet are communicated with the side wall of the first cylinder.
Preferably, in the pyrolysis incineration system, a baffle assembly is arranged in the first cylinder, and the baffle assembly comprises a first baffle plate and a second baffle plate which are longitudinally arranged;
a first gap is formed between the first baffle plate and the inner wall of the first cylinder, and a second gap is formed between the second baffle plate and the inner wall of the first cylinder; and the first gap and the second gap are arranged in an opposite side.
Preferably, in the pyrolysis incineration system, the flue gas pipeline in the first cylinder penetrates through the first baffle plate and the second baffle plate.
Preferably, in the pyrolysis incineration system, first baffles matched with the inner wall of the first cylinder are arranged in the first cylinder, between the flue gas inlet and the combustion-supporting gas outlet and between the flange pipe and the external connecting pipe;
the number of the flue gas pipelines in the first cylinder body is four, and two ends of each flue gas pipeline penetrate through the first baffle and are respectively communicated with the flue gas inlet and the flange pipe.
Preferably, in the pyrolysis incineration system, second baffles matched with the inner wall of the second cylinder are arranged in the second cylinder, between the flue gas outlet and the combustion-supporting gas inlet and between the flange pipe and the external connecting pipe;
the number of the flue gas pipelines in the second cylinder body is four, and two ends of each flue gas pipeline penetrate through the second baffle and are respectively communicated with the flue gas outlet and the flange pipe.
Preferably, in the pyrolysis incineration system, the flue gas pipeline in the second cylinder is located at the center, and the combustion-supporting gas pipeline in the second cylinder is a plurality of turns surrounding the flue gas pipeline.
Preferably, in the pyrolysis incineration system, the second cylinder is filled with a heat exchange medium.
Preferably, in the pyrolysis incineration system, the side wall of the second cylinder is provided with a heat exchange medium inlet.
Preferably, in the pyrolysis incineration system, a gasification outlet for the heat exchange medium is formed in the side wall of the second cylinder, and a safety valve is arranged at the gasification outlet.
Preferably, in the pyrolysis incineration system, the gasification outlet is communicated with the air inlet of the furnace body.
Preferably, in the pyrolysis incineration system, the first cylinder and the second cylinder are respectively provided with a first temperature detector and a second temperature detector.
Preferably, the pyrolysis incineration system comprises a first combustion chamber and a second combustion chamber which are communicated, and the first combustion chamber and the second combustion chamber are both provided with the air inlet.
Preferably, in the pyrolysis incineration system, the smoke exhaust port is arranged in the second combustion chamber.
The pyrolysis incineration system comprises a pyrolysis incinerator and a heat exchanger; the pyrolysis incinerator comprises an incinerator body, and an air inlet and an exhaust port which are arranged on the incinerator body; the heat exchanger comprises a main body, and a flue gas pipeline and a combustion-supporting gas pipeline which are arranged in the main body; the two ends of the flue gas pipeline are respectively a flue gas inlet and a flue gas outlet; the two ends of the combustion-supporting gas pipeline are respectively provided with a combustion-supporting gas inlet and a combustion-supporting gas outlet; the smoke outlet is communicated with the smoke inlet; the combustion-supporting gas outlet is communicated with the gas inlet. Above-mentioned pyrolysis incineration system has add the heat exchanger on pyrolysis incinerator's basis, and then heats combustion-supporting gas in letting in the heat exchanger with exhaust high temperature flue gas, lets in pyrolysis incinerator with the combustion-supporting gas after heating again, makes the heat fully retrieve, and then has avoided high-temperature thermal scattering and disappearing, has reduced pyrolysis incinerator's fuel consumption, has improved energy utilization and has rateed. Therefore, the pyrolysis incineration system provided by the invention can improve the energy utilization rate of the pyrolysis incinerator and solve the problem in the field at the present stage.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts.
FIG. 1 is a side cross-sectional view of a heat exchanger in an embodiment of the present invention;
FIG. 2 is a schematic view of a baffle assembly and flue gas duct in an embodiment of the present invention;
FIG. 3 is a top view of the combination of the first baffle or the second baffle with the flue gas duct in an embodiment of the present invention;
FIG. 4 is a schematic view of a pyrolysis incinerator according to an embodiment of the present invention.
In fig. 1-4:
pyrolysis incinerator-100; heat exchanger-200;
a furnace body-101; an air inlet-102; a smoke outlet-103; a first combustion chamber-104; a second combustion chamber-105;
a flue gas duct-201; a combustion-supporting gas conduit-202; a flue gas inlet-203; a flue gas outlet-204; combustion-supporting gas inlet-205; an outlet of combustion-supporting gas-206; a first barrel-207; a second cylinder-208; flange tube-209; an external connecting pipe-210; a first baffle plate-211; a second baffle-212; heat exchange medium inlet-213; a gasification outlet-214; a first temperature detector-215; a second temperature detector-216; a first baffle-217; a second baffle-218.
Detailed Description
The core of this embodiment lies in providing a pyrolysis system of burning, and this pyrolysis system of burning can improve the energy utilization who burns burning furnace, has solved the difficult problem in this field at present stage.
Hereinafter, embodiments will be described with reference to the drawings. The embodiments described below do not limit the contents of the invention described in the claims. The entire contents of the configurations shown in the following embodiments are not limited to those required as solutions of the inventions described in the claims.
The pyrolysis incineration system provided by the present embodiment includes a pyrolysis incinerator 100 and a heat exchanger 200; the pyrolysis incinerator 100 comprises an incinerator body 101, and an air inlet 102 and an exhaust port 103 which are arranged on the incinerator body 101; the heat exchanger 200 comprises a main body, and a flue gas pipeline 201 and a combustion-supporting gas pipeline 202 which are arranged in the main body; two ends of the flue gas pipeline 201 are respectively communicated with a flue gas inlet 203 and a flue gas outlet 204; the two ends of the combustion-supporting gas pipeline 202 are respectively provided with a combustion-supporting gas inlet 205 and a combustion-supporting gas outlet 206; the smoke outlet 103 is communicated with the smoke inlet 203; the oxidant gas outlet 206 is in communication with the inlet 102.
Above-mentioned pyrolysis incineration system has add heat exchanger 200 on pyrolysis incinerator 100's basis, and then heats combustion-supporting gas in letting in heat exchanger 200 with exhaust high temperature flue gas, lets in pyrolysis incinerator 100 with the combustion-supporting gas after heating again, makes the heat fully retrieve, and then has avoided scattering and disappearing of high temperature heat, has reduced pyrolysis incinerator 100's fuel consumption, has improved energy utilization.
Therefore, the pyrolysis incineration system provided by the invention can improve the energy utilization rate of the pyrolysis incinerator 100 and solve the problem in the field at the present stage. Please refer to fig. 1-4.
In the pyrolysis incineration system provided by the embodiment, the main body may be one cylinder or a plurality of cylinders, or other structures capable of playing a role equivalently.
In one embodiment, the body may include a first cylinder 207 and a second cylinder 208 in communication; the flue gas pipeline 201 penetrates through the first cylinder 207 and the second cylinder 208, and the flue gas inlet 203 and the flue gas outlet 204 are respectively positioned in the first cylinder 207 and the second cylinder 208; the combustion-supporting gas pipe 202 penetrates through the first cylinder 207 and the second cylinder 208; the two ends of the combustion-supporting gas pipe 202 located in the second cylinder 208 are respectively communicated with the combustion-supporting gas inlet 205 and the external pipe 210, and the combustion-supporting gas inlet 205 and the combustion-supporting gas outlet 206 are respectively located in the second cylinder 208 and the first cylinder 207.
It should be noted that, in the embodiments, the combustion-supporting gas pipe 202 refers to a flow path of the combustion-supporting gas; in the case of the first cylinder 207, the space between the two first baffles 217 is a part of the oxidant gas pipe 202.
Above-mentioned setting is that the flow direction of flue gas is opposite with the flow direction of combustion-supporting gas, and the two reverse flow promptly, and then has improved the heat exchange efficiency of flue gas and combustion-supporting gas, and better retrieves and recycles the heat energy in the high temperature flue gas.
In the pyrolysis incineration system provided by the present embodiment, the first cylinder 207 and the second cylinder 208 may be communicated through a flange pipe 209, and the flue gas pipe 201 penetrates through the first cylinder 207 and the second cylinder 208 through the flange pipe 209; namely, the first cylinder 207 and the second cylinder 208 are connected by flanges, and a connected pipe body, namely, a flange pipe 209 is realized.
In the pyrolysis incineration system provided by the embodiment, the combustion-supporting gas can penetrate through the first cylinder 207 and the second cylinder 208 through the combustion-supporting gas pipeline 202, the external connecting pipe 210 and the baffle assembly; referring to fig. 1, the external connection pipe 210 is a pipe body disposed outside the first cylinder 207 and the second cylinder 208, and an outlet end of the combustion-supporting gas pipe 202 in the second cylinder 208 passes through a side wall of the second cylinder 208 and is communicated with the external connection pipe 210; the outlet end of the external pipe 210 and the combustion-supporting gas outlet 206 are both communicated with the side wall of the first cylinder 207; that is, the cavity of the first cylinder 207 is a pipe of the combustion-supporting gas pipe 202 located in the first cylinder 207, and the flue gas pipe is a pipe body penetrating through the first cylinder 207.
It should be noted that the flow directions of the high-temperature flue gas and the combustion-supporting gas are based on the flows marked in fig. 1 and 2.
In the pyrolysis incineration system provided by the present embodiment, a baffle assembly may be disposed in the first cylinder 207, and the baffle assembly includes a first baffle plate 211 and a second baffle plate 212 that are longitudinally arranged; a first gap exists between the first baffle plate 211 and the inner wall of the first cylinder 207, and a second gap exists between the second baffle plate 212 and the inner wall of the first cylinder 207; and the first gap and the second gap are arranged in opposite sides.
Referring to fig. 2, the first baffle 211 and the second baffle 212 are longitudinally disposed in the first cylinder 207, and gaps exist between the first baffle 211 and the second baffle 212 and the inner wall of the first cylinder 207 at the left and right sides, respectively; the mode that first clearance and second clearance contralateral were arranged can make combustion-supporting gas flow along the broken line, and then has increased flow and turbulence degree, has further improved the heat transfer effect.
It should be noted that the "opposite-side arrangement" means that, as shown in fig. 2, the gap between the first baffle plate 211 and the inner wall of the first cylinder 207 is located on the left side, and the gap between the second baffle plate 212 and the inner wall of the first cylinder 207 is located on the right side, and the positional arrangement relationship of the gaps is the "opposite-side arrangement".
Alternatively, the baffle assemblies may be provided in a plurality of sets, with each set being arranged in a longitudinal manner, as shown in FIGS. 1-2.
It should be noted that the term "longitudinal arrangement" in this embodiment refers to the arrangement of the first baffle plate 211 and the second baffle plate 212 as shown in fig. 1-2.
In the pyrolysis incineration system provided by the embodiment, the flue gas pipe 201 in the first cylinder 207 can penetrate through the first baffle plate 211 and the second baffle plate 212, so that the heat exchange area is increased, meanwhile, the combustion-supporting gas can flow along the broken lines, the flow is lengthened, the turbulence degree is increased, and the heat exchange efficiency effect is further improved; the number of flue gas pipeline 201 can design according to the heat transfer needs of reality, and can regular distribution, and then improve heat exchange efficiency. For example, as shown in fig. 2, the number of the flue gas pipes 201 may be four, and both ends of the flue gas pipes 201 are respectively communicated with the flue gas inlet 203 and the flue gas outlet 204.
In the pyrolysis incineration system provided by the present embodiment, in the first cylinder 207, between the flue gas inlet 203 and the combustion-supporting gas outlet 206, and between the flange pipe 209 and the external connection pipe 210, first baffles 217 matched with the inner wall of the first cylinder 207 may be provided; the number of the flue gas pipelines 201 in the first cylinder 207 is four, and two ends of the flue gas pipelines 201 penetrate through the first baffle 217 and are respectively communicated with the flue gas inlet 203 and the flange pipe 209. The number of the flue gas pipelines 201 is an approximate number, and the specific number can be set according to actual needs.
Similarly, second baffles 218 matched with the inner wall of the second cylinder 208 can be arranged in the second cylinder 208, between the flue gas outlet 204 and the combustion-supporting gas inlet 205 and between the flange pipe 209 and the external connecting pipe 210; the number of the flue gas pipelines 201 in the second cylinder 208 is four, and two ends of the flue gas pipelines 201 penetrate through the second baffle plate 218 and are respectively communicated with the flue gas outlet 204 and the flange pipe 209. At this time, the number of the flue gas pipes 201 is an approximate number, and the specific number can be set according to actual needs.
In the pyrolysis incineration system provided by the present embodiment, the flue gas duct 201 in the second cylinder 208 may be located at a central position, and the specific position is shown in fig. 1; and the combustion-supporting gas pipe 202 in the second cylinder 208 is a plurality of turns surrounding the flue gas pipe 201. That is, the combustion-supporting gas pipe 202 in the second cylinder 208 is designed as an annular coil pipe, and this design can increase the heat exchange area of the flue gas pipe 201 and the combustion-supporting gas pipe 202, and further improve the heat exchange efficiency, thereby improving the energy utilization rate.
Further, in order to better realize the heat transfer efficiency between the high-temperature flue gas and the combustion-supporting gas, a heat exchange medium can be filled in the second cylinder 208, that is, the high-temperature flue gas firstly transfers heat to the heat exchange medium, and then the heat exchange medium transfers heat to the combustion-supporting gas; the heat exchange medium is used as a medium for intermediate heat transfer, and can directly realize heat transfer between the high-temperature flue gas and the combustion-supporting gas.
Further, the side wall of the second cylinder 208 may be provided with a heat exchange medium inlet 213, the side wall of the second cylinder 208 is provided with a gasification outlet 214 for the heat exchange medium, and the gasification outlet 214 is provided with a safety valve.
The heat exchange medium can be water or other liquid media capable of playing a role equivalently. Taking water as an example, the water is gasified after absorbing the heat transferred by the high-temperature flue gas, that is, the water is changed from a liquid state to a gas state, the arrangement of the gasification outlet 214 can enable the gasified water vapor to be discharged from the outlet, and the existence of the safety valve can be designed to enable the water vapor in the second cylinder 208 to be automatically discharged; meanwhile, the heat exchange medium can be supplemented in time by the heat exchange medium inlet 213.
In the pyrolysis incineration system provided by the embodiment, the gasification outlet 214 and the air inlet 102 of the furnace body 101 may be communicated, so that the gasified high-temperature heat transfer medium can enter the pyrolysis incinerator 100, and the heat of the gasified heat transfer medium can be fully utilized.
The saturated vapor is discharged by a safety valve and then used as a gasifying agent in the garbage pyrolysis reaction process, can be chemically reacted with components such as tar, and the like, is favorable for deepening the pyrolysis gasification reaction, namely, the hydrocarbon gas with large molecular weight can be catalytically reformed into H2, CO and the like with small molecular weight, the content of combustible gases such as CO, H2 and the like is greatly increased, and the calorific value is improved.
Tar → hydrocarbons + gas (CO, CO2, H2)
Tar + H20 → Hydrocarbon + gas (CO, CO2, H2)
Hydrocarbons + H20 → gas (CO, CO2, H2)
And the water gas reaction with the remaining carbon residue is carried out, so that the generation of solid residues is reduced.
Carbon residue + H20 → gas (CO, CO2, H2)
Further, a first temperature detector 215 and a second temperature detector 216 may be respectively disposed on the outer walls of the first cylinder 207 and the second cylinder 208, so as to timely control the temperature inside the first cylinder 207 and the second cylinder 208, so that an operator can conveniently control the operation of the whole system.
In the pyrolysis incineration system according to the embodiment, the pyrolysis incinerator 100 may include a first combustion chamber 104 and a second combustion chamber 105 that are communicated with each other, and the smoke exhaust port 103 may be disposed in the second combustion chamber 105.
Further, the first combustion chamber 104 and the second combustion chamber 105 may each be provided with an air inlet 102; and the first combustion chamber 104 and the second combustion chamber 105 may be further provided with a first burner 106 and a second burner 107, respectively.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present invention. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (16)
1. A pyrolysis incineration system, characterized by comprising a pyrolysis incinerator (100) and a heat exchanger (200);
the pyrolysis incinerator (100) comprises an incinerator body (101), and an air inlet (102) and a smoke outlet (103) which are arranged on the incinerator body (101);
the heat exchanger (200) comprises a main body, and a flue gas pipeline (201) and a combustion-supporting gas pipeline (202) which are arranged in the main body; two ends of the flue gas pipeline (201) are respectively communicated with a flue gas inlet (203) and a flue gas outlet (204); the two ends of the combustion-supporting gas pipeline (202) are respectively provided with a combustion-supporting gas inlet (205) and a combustion-supporting gas outlet (206);
the smoke exhaust port (103) is communicated with the smoke inlet (203); the combustion-supporting gas outlet (206) is communicated with the gas inlet (102).
2. A pyrolysis incineration system according to claim 1, characterised in that the body comprises a first cylinder (207) and a second cylinder (208) in communication;
the flue gas pipeline (201) penetrates through the first cylinder (207) and the second cylinder (208), and the flue gas inlet (203) and the flue gas outlet (204) are respectively positioned in the first cylinder (207) and the second cylinder (208);
the combustion-supporting gas pipeline (202) penetrates through the first cylinder (207) and the second cylinder (208), and the combustion-supporting gas inlet (205) and the combustion-supporting gas outlet (206) are respectively located in the second cylinder (208) and the first cylinder (207).
3. A pyrolysis incineration system according to claim 2, wherein the first cylinder (207) and the second cylinder (208) communicate through a flanged pipe (209),
the flue gas pipeline (201) penetrates through the first cylinder (207) and the second cylinder (208) through the flange pipe (209).
4. A pyrolysis incineration system according to claim 3, characterised in that the combustion-supporting gas duct (202) penetrates the first cylinder (207) and the second cylinder (208) through an external pipe (210);
the outlet end of the combustion-supporting gas pipeline (202) in the second cylinder (208) penetrates through the side wall of the second cylinder (208) and is communicated with the external connecting pipe (210);
the outlet end of the external connecting pipe (210) and the combustion-supporting gas outlet (206) are communicated with the side wall of the first cylinder (207).
5. A pyrolytic incineration system according to claim 4, characterized in that a baffle assembly is provided inside the first cylinder (207), the baffle assembly comprising a first baffle plate (211) and a second baffle plate (212) arranged longitudinally;
the first baffle plate (211) has a first gap with the inner wall of the first cylinder (207), and the second baffle plate (212) has a second gap with the inner wall of the first cylinder (207); and the first gap and the second gap are arranged in an opposite side.
6. A pyrolysis incineration system according to claim 5, wherein the flue gas duct (201) in the first cylinder (207) runs through the first and second baffle plates (211, 212).
7. A pyrolysis incineration system according to claim 4, characterised in that a first baffle (217) matching with the inner wall of the first cylinder (207) is arranged in the first cylinder (207), between the flue gas inlet (203) and the combustion-supporting gas outlet (206) and between the flange pipe (209) and the external pipe (210);
the number of the flue gas pipelines (201) in the first cylinder (207) is four, and two ends of each flue gas pipeline (201) penetrate through the first baffle (217) and are respectively communicated with the flue gas inlet (203) and the flange pipe (209).
8. A pyrolysis incineration system according to claim 4, characterised in that inside the second cylinder (208), between the flue gas outlet (204) and the combustion-supporting gas inlet (205) and between the flange pipe (209) and the external pipe (210), there are second baffles (218) matching with the inner wall of the second cylinder (208);
the number of the flue gas pipelines (201) in the second cylinder (208) is four, and two ends of each flue gas pipeline (201) penetrate through the second baffle (218) and are respectively communicated with the flue gas outlet (204) and the flange pipe (209).
9. A pyrolysis incineration system according to claim 4, characterised in that the flue gas duct (201) in the second cylinder (208) is centrally located, and the combustion-supporting gas duct (202) in the second cylinder (208) is a plurality of turns around the flue gas duct (201).
10. A pyrolysis incineration system according to claim 9, characterised in that the second cylinder (208) is filled with a heat exchange medium.
11. A pyrolysis incineration system according to claim 10, characterised in that the side wall of the second cylinder (208) is provided with a heat exchange medium inlet (213).
12. A pyrolysis incineration system according to claim 10, characterised in that the side wall of the second cylinder (208) is provided with a gasification outlet (214) for the heat exchange medium and that the gasification outlet (214) is provided with a safety valve.
13. A pyrolysis incineration system according to claim 12, characterised in that the gasification outlet (214) communicates with the gas inlet (102) of the furnace body (101).
14. A pyrolysis incineration system according to claim 2, characterised in that the first cylinder (207) and the second cylinder (208) are provided with a first temperature detector (215) and a second temperature detector (216), respectively.
15. A pyrolysis incineration system according to claim 1, characterised in that the pyrolysis incinerator (100) comprises a first combustion chamber (104) and a second combustion chamber (105) in communication, each of the first combustion chamber (104) and the second combustion chamber (105) being provided with the air inlet (102).
16. A pyrolysis incineration system according to claim 15, characterised in that the smoke exhaust (103) is arranged in the second combustion chamber (105).
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