CN116357977A - Garbage incineration treatment system - Google Patents
Garbage incineration treatment system Download PDFInfo
- Publication number
- CN116357977A CN116357977A CN202310416997.8A CN202310416997A CN116357977A CN 116357977 A CN116357977 A CN 116357977A CN 202310416997 A CN202310416997 A CN 202310416997A CN 116357977 A CN116357977 A CN 116357977A
- Authority
- CN
- China
- Prior art keywords
- incineration
- communicated
- flue gas
- waste
- unit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 76
- 239000003546 flue gas Substances 0.000 claims abstract description 76
- 239000002918 waste heat Substances 0.000 claims abstract description 64
- 238000011084 recovery Methods 0.000 claims abstract description 43
- 238000000746 purification Methods 0.000 claims abstract description 36
- 239000002893 slag Substances 0.000 claims abstract description 21
- 239000007789 gas Substances 0.000 claims description 23
- 239000007787 solid Substances 0.000 claims description 20
- 238000007599 discharging Methods 0.000 claims description 18
- 238000010791 quenching Methods 0.000 claims description 17
- 230000000171 quenching effect Effects 0.000 claims description 15
- 238000001179 sorption measurement Methods 0.000 claims description 14
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 14
- 238000004056 waste incineration Methods 0.000 claims description 12
- 239000000149 chemical water pollutant Substances 0.000 claims description 10
- 238000006477 desulfuration reaction Methods 0.000 claims description 10
- 230000023556 desulfurization Effects 0.000 claims description 10
- 238000002309 gasification Methods 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 239000000779 smoke Substances 0.000 claims description 7
- 239000000843 powder Substances 0.000 claims description 6
- 238000004891 communication Methods 0.000 claims description 5
- 239000007788 liquid Substances 0.000 claims description 3
- 239000007921 spray Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 11
- 239000000126 substance Substances 0.000 abstract description 7
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 abstract 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 14
- 238000002485 combustion reaction Methods 0.000 description 7
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 6
- 239000000428 dust Substances 0.000 description 5
- 239000002351 wastewater Substances 0.000 description 5
- 238000004140 cleaning Methods 0.000 description 4
- 238000010438 heat treatment Methods 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 150000002013 dioxins Chemical class 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005507 spraying Methods 0.000 description 2
- 241000282414 Homo sapiens Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000011038 discontinuous diafiltration by volume reduction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 238000001556 precipitation Methods 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 150000005837 radical ions Chemical class 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
- 230000001502 supplementing effect Effects 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Images
Classifications
-
- 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
-
- 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
-
- 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
- F23G5/442—Waste feed arrangements
- F23G5/446—Waste feed arrangements for liquid waste
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23J—REMOVAL OR TREATMENT OF COMBUSTION PRODUCTS OR COMBUSTION RESIDUES; FLUES
- F23J1/00—Removing ash, clinker, or slag from combustion chambers
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
-
- 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
- F23J15/02—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material
- F23J15/022—Arrangements of devices for treating smoke or fumes of purifiers, e.g. for removing noxious material for removing solid particulate material from the gasflow
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention discloses a garbage incineration treatment system, which comprises an incineration unit, a flue gas treatment unit and an ash collection bin, wherein the flue gas treatment unit comprises a waste heat recovery component and a flue gas purification component, an air inlet of the waste heat recovery component is communicated with an air outlet of the incineration unit, the waste heat recovery component can recover heat of incineration flue gas, an air inlet of the flue gas purification component is communicated with the air outlet of the waste heat recovery component, the flue gas purification component can purify the incineration flue gas, a feed inlet of the ash collection bin, the waste heat recovery component and a slag discharge port of the flue gas purification component are all communicated, and a discharge port of the ash collection bin is communicated with the feed inlet of the incineration unit. The garbage incineration treatment system can uniformly collect ash residues generated in each process of garbage incineration treatment to the ash collecting bin, and then the ash residues are re-input into the incineration unit by the ash collecting bin to carry out secondary incineration treatment, so that dioxin contained in the ash residues can be decomposed at high temperature, the discharge amount of the dioxin is reduced, and chemical pollution is avoided.
Description
Technical Field
The invention relates to the technical field of garbage disposal, in particular to a garbage incineration disposal system.
Background
The garbage produced in daily life or industrial production of human beings is large in quantity and complex in components, and if the garbage cannot be properly treated, the environment is seriously polluted, at present, the incineration method is an effective garbage treatment mode, after the garbage is treated by the incineration method, the volume reduction effect is remarkable, a large amount of land occupation can be saved, various pathogens are eliminated, the internal energy of the garbage can be converted into heat energy or electric energy, and the like, so that the energy recycling is realized, and therefore, the incineration method is a garbage treatment technology widely adopted by countries around the world.
In the related art, as the garbage components are complex or the garbage incineration treatment process is imperfect, dioxin is easily discharged in each process of garbage incineration treatment, and serious chemical hazard is formed.
Disclosure of Invention
The invention aims to solve the technical problems and overcomes the defects of the prior art, and provides a garbage incineration treatment system which can uniformly collect ash residues generated in various garbage incineration treatment procedures to an ash collecting bin, and then the ash collecting bin is re-input to an incineration unit for secondary incineration treatment, so that dioxin contained in the ash residues can be decomposed at high temperature, the discharge amount of the dioxin is reduced, and chemical pollution is avoided.
The garbage incineration treatment system of the embodiment of the invention comprises: the incineration unit is provided with a feed inlet for inputting garbage, a slag discharge port for discharging incineration ash and an air outlet for discharging incineration flue gas; the flue gas treatment unit comprises a waste heat recovery component and a flue gas purification component, wherein an air inlet of the waste heat recovery component is communicated with an air outlet of the incineration unit, the waste heat recovery component can recover heat of the incineration flue gas, an air inlet of the flue gas purification component is communicated with an air outlet of the waste heat recovery component, and the flue gas purification component can purify the incineration flue gas; the feed inlet of the ash collecting bin, the waste heat recovery component and the slag discharging port of the smoke purification component are all communicated, and the discharge port of the ash collecting bin is communicated with the feed inlet of the incineration unit.
According to the garbage incineration treatment system provided by the embodiment of the invention, the flue gas treatment unit comprises the waste heat recovery component and the flue gas purification component, the air inlet of the waste heat recovery component is communicated with the air outlet of the incineration unit, the waste heat recovery component can recover the heat of incineration flue gas, the air inlet of the flue gas purification component is communicated with the air outlet of the waste heat recovery component, the flue gas purification component can purify the incineration flue gas, the feed inlet of the ash collection bin, the waste heat recovery component and the slag discharge port of the flue gas purification component are all communicated, the discharge port of the ash collection bin is communicated with the feed inlet of the incineration unit, therefore, ash produced in each process of garbage incineration treatment, including ash discharged by the incineration unit, ash deposited on a heating surface in the waste heat recovery component, residues generated in the flue gas purification component in the flue gas purification process and the like can be uniformly collected to the ash collection bin, and then the ash collection bin is re-input into the incineration unit for secondary incineration treatment, so that dioxin contained in the ash can be decomposed by high temperature, the discharge amount of dioxin is reduced to the maximum extent, and chemical pollution is avoided.
In some embodiments, the feed inlet of the incineration unit comprises a first feed inlet and a second feed inlet, the first feed inlet can input bulk garbage to the incineration unit, the second feed inlet can input powder garbage to the incineration unit, and the discharge outlet of the ash collection bin is communicated with the second feed inlet.
In some embodiments, the feed inlet of the incineration unit further comprises a third feed inlet, which third feed inlet may inject landfill leachate into the incineration unit.
In some embodiments, the system further comprises a waste pretreatment unit, a solid discharge port of the waste pretreatment unit is communicated with the first feed port, and a liquid discharge port of the waste pretreatment unit is communicated with the third feed port.
In some embodiments, the waste heat recovery assembly comprises a waste heat boiler, an air inlet of the waste heat boiler is communicated with an air outlet of the incineration unit, and a slag discharging port of the waste heat boiler is communicated with a feed port of the ash collection bin.
In some embodiments, the waste heat recovery assembly further comprises a gas-solid separator, a quenching tower and a heat exchanger, wherein the gas inlet of the gas-solid separator is communicated with the gas outlet of the waste heat boiler, the gas outlet of the gas-solid separator is communicated with the gas inlet of the quenching tower, the slag discharging port of the gas-solid separator is communicated with the feeding port of the ash collecting bin, and the water outlet of the quenching tower is communicated with the heat source chamber of the heat exchanger.
In some embodiments, the cold source chamber of the heat exchanger is adapted to be charged with ambient temperature gas, and the outlet of the cold source chamber is in communication with the second feed port and/or the third feed port.
In some embodiments, the flue gas cleaning assembly comprises a denitration tower and a desulfurization tower, wherein the air inlet of the denitration tower is communicated with the air outlet of the quenching tower, and the air inlet of the desulfurization tower is communicated with the air outlet of the denitration tower.
In some embodiments, the flue gas cleaning assembly further comprises an adsorption tower, an air inlet of the adsorption tower is communicated with an air outlet of the desulfurization tower, a slag discharging port of the adsorption tower is communicated with a feed port of the ash collecting bin, and the air outlet of the adsorption tower is communicated with a chimney.
In some embodiments, the garbage incineration treatment system further comprises a gasifier, wherein a feed inlet of the gasifier is communicated with a discharge outlet of the ash collection bin, an air inlet of the gasifier is communicated with an outlet of the cold source chamber, and a discharge outlet of the gasifier is communicated with the second feed inlet.
Drawings
Fig. 1 is a schematic structural view of a garbage incineration disposal system according to an embodiment of the present invention.
Reference numerals:
the device comprises an incineration unit 1, a first feed inlet 11, a second feed inlet 12, a third feed inlet 13, a flue gas treatment unit 2, a waste heat recovery assembly 21, a waste heat boiler 211, a gas-solid separator 212, a quenching tower 213, a heat exchanger 214, a flue gas purification assembly 22, a denitration tower 221, a desulfurization tower 222, an adsorption tower 223, an ash collection bin 3, a powder maker 31, a gasification furnace 32, a water treatment unit 4 and a waste pretreatment unit 5.
Detailed Description
Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings. The embodiments described below by referring to the drawings are illustrative and intended to explain the present invention and should not be construed as limiting the invention.
As shown in fig. 1, the garbage incineration treatment system according to the embodiment of the invention comprises an incineration unit 1, a flue gas treatment unit 2 and an ash collection bin 3.
Specifically, the incineration unit 1 is provided with a feed inlet for inputting garbage, a slag discharge port for discharging incineration ash and an air outlet for discharging incineration flue gas, the flue gas treatment unit 2 comprises a waste heat recovery component 21 and a flue gas purification component 22, the air inlet of the waste heat recovery component 21 is communicated with the air outlet of the incineration unit 1, the waste heat recovery component 21 can recover heat of the incineration flue gas, the air inlet of the flue gas purification component 22 is communicated with the air outlet of the waste heat recovery component 21, the flue gas purification component 22 can purify the incineration flue gas, the feed inlet of the ash collection bin 3, the waste heat recovery component 21 and the slag discharge port of the flue gas purification component 22 are all communicated, and the discharge port of the ash collection bin 3 is communicated with the feed inlet of the incineration unit 1.
In the garbage incineration treatment system of the present application, ash residues generated in each process in the garbage incineration treatment, such as slag discharged from the incineration unit 1, ash residues generated in the flue gas purification unit 22 in the flue gas purification process, and the like, are easily attached to ash residues generated in the combustion process or doped in flue gas generated in the combustion process, and the ash residues or flue gas containing the dioxins are decomposed at high temperature by the ash residues being re-input into the incineration unit 1 from the ash collection bin 3, so that the amount of dioxins discharged from the ash residues is reduced to the maximum extent, and chemical pollution is avoided.
Preferably, the garbage incineration treatment system further comprises a water treatment unit 4, the water inlet of the water treatment unit 4 is communicated with the water outlets of the waste heat recovery assembly 21 and the flue gas purification assembly 22, and the water treatment unit 4 can purify waste water discharged by the waste heat recovery assembly 21 and the flue gas purification assembly 22.
It can be understood that the waste water generated in the flue gas waste heat recovery and flue gas purification processes may contain acid radical ions, volatile heavy metal elements and the like, and the water treatment unit 4 can perform deacidification treatment, heavy metal precipitation treatment and the like on the waste water, so that the treated waste water can be reused, for example, the waste water can be used for greening garbage disposal factories, cleaning garbage trucks, supplementing water for the waste heat boiler 211, purifying and spraying the flue gas and the like, and the operation cost of garbage disposal is reduced.
According to the garbage incineration treatment system provided by the embodiment of the invention, the flue gas treatment unit comprises the waste heat recovery component and the flue gas purification component, the air inlet of the waste heat recovery component is communicated with the air outlet of the incineration unit, the waste heat recovery component can recover the heat of incineration flue gas, the air inlet of the flue gas purification component is communicated with the air outlet of the waste heat recovery component, the flue gas purification component can purify the incineration flue gas, the feed inlet of the ash collection bin, the waste heat recovery component and the slag discharge port of the flue gas purification component are all communicated, the discharge port of the ash collection bin is communicated with the feed inlet of the incineration unit, therefore, ash produced in each process of garbage incineration treatment, including ash discharged by the incineration unit, ash deposited on a heating surface in the waste heat recovery component, residues generated in the flue gas purification component in the flue gas purification process and the like can be uniformly collected to the ash collection bin, and then the ash collection bin is re-input into the incineration unit for secondary incineration treatment, so that dioxin contained in the ash can be decomposed by high temperature, the discharge amount of dioxin is reduced to the maximum extent, and chemical pollution is avoided.
Further, as shown in fig. 1, the feed inlet of the incineration unit 1 includes a first feed inlet 11 and a second feed inlet 12, the first feed inlet 11 can input bulk garbage to the incineration unit 1, the second feed inlet 12 can input powder garbage to the incineration unit 1, and the discharge outlet of the ash collection bin 3 is communicated with the second feed inlet 12.
In other words, when the ash residue collected by the ash collecting bin 3 and the massive garbage are input into the incineration unit 1, different feed inlets are used, so that the powdery ash residue and massive garbage are prevented from being mixed, the ash residue can independently enter the incineration unit 1 for secondary combustion, and the dioxin in the ash residue can be fully decomposed.
Preferably, the slag discharging port of the incineration unit 1 is connected with the feeding port of the ash collecting bin 3 through the powder maker 31, so that slag discharged by the incineration unit 1 can be crushed by the powder maker 31 and then discharged into the ash collecting bin 3, ash in the ash collecting bin 3 is ensured to be powdery, and the ash is prevented from being blocked when entering the second feeding port 12 from the ash collecting bin 3.
Further, as shown in fig. 1, the feed inlet of the incineration unit 1 further comprises a third feed inlet 13, and the third feed inlet 13 can spray garbage percolate into the incineration unit 1, so that the garbage incineration treatment system can be used for treating garbage percolate generated by garbage accumulation, other sewage treatment equipment is prevented from being additionally arranged in a garbage treatment plant, and the garbage treatment cost is reduced.
Preferably, the third feed inlet 13 can adopt spraying equipment to spray the landfill leachate into the incineration unit 1 for treatment, so that the incineration unit 1 can heat the landfill leachate at high temperature to promote the pyrolysis of organic matters or toxic and harmful substances in the landfill leachate.
Further, as shown in fig. 1, the garbage pretreatment device further comprises a garbage pretreatment unit 5, wherein a solid discharge port of the garbage pretreatment unit 5 is communicated with the first feed port 11, and a liquid discharge port of the garbage pretreatment unit 5 is communicated with the third feed port 13.
In other words, the garbage pretreatment unit 5 can separate the garbage blocks from the garbage percolate, and input the garbage blocks into the incineration unit 1 through the first feeding hole 11, and input the garbage percolate into the incineration unit 1 through the third feeding hole 13, so that the garbage blocks and the garbage percolate independently enter the incineration unit 1 for combustion, and the garbage percolate and the garbage are prevented from being mixed and combusted, and the garbage incineration treatment efficiency is prevented from being influenced.
Further, as shown in fig. 1, the waste heat recovery assembly 21 includes a waste heat boiler 211, an air inlet of the waste heat boiler 211 is communicated with an air outlet of the incineration unit 1, and a slag discharging port of the waste heat boiler 211 is communicated with a feed port of the ash collection bin 3.
It can be appreciated that the waste heat boiler 211 can utilize the heat in the flue gas discharged by the incineration unit 1 to heat water to a certain temperature for other working sections, in the process, the smoke dust in the flue gas can be gradually deposited on the heating surface in the waste heat boiler 211, so that the waste heat boiler 211 needs to be regularly cleaned, and the waste incineration treatment system can utilize the ash collection bin 3 to collect the smoke dust cleaned by the waste heat boiler 211, so that the direct removal of dioxin in the part of smoke dust to pollute the environment is avoided.
Further, as shown in fig. 1, the waste heat recovery assembly 21 further includes a gas-solid separator 212, a quenching tower 213 and a heat exchanger 214, wherein an air inlet of the gas-solid separator 212 is communicated with an air outlet of the waste heat boiler 211, an air outlet of the gas-solid separator 212 is communicated with an air inlet of the quenching tower 213, a slag discharging port of the gas-solid separator 212 is communicated with a feed port of the ash collection bin 3, and a water outlet of the quenching tower 213 is communicated with a heat source chamber of the heat exchanger 214.
It should be noted that, after the treatment of the waste heat boiler 211, the temperature of the flue gas discharged by the incineration unit 1 is generally changed to about 400 ℃, so as to further utilize the waste heat in the flue gas, the waste incineration treatment system of the application is further additionally provided with the gas-solid separator 212, the quench tower 213 and the heat exchanger 214, wherein the gas-solid separator 212 can separate the smoke dust in the flue gas and discharge the smoke dust into the ash collection bin 3 for centralized treatment, the quench tower 213 can condense the residual flue gas discharged by the gas-solid separator 212, and then discharge the collected condensed water into the heat source chamber of the heat exchanger 214, so that the heat in the condensed water can be transferred into the cold source chamber of the heat exchanger 214 for use, thereby improving the flue gas waste heat recovery rate of the waste incineration treatment system of the application.
In the garbage incineration treatment system of the present application, the optimum temperature range for the dioxin production reaction is 250 to 350 ℃, and the temperature of the combustion flue gas in the quenching tower 213 can be quickly changed from about 400 ℃ to 250 ℃ or less, so that the dioxin production can be effectively suppressed.
Further, as shown in fig. 1, the cold source chamber of the heat exchanger 214 is adapted to be filled with normal temperature gas, and the outlet of the cold source chamber is communicated with the second feed inlet 12 and/or the third feed inlet 13.
It will be appreciated that the ash of the second feed inlet 12 or the landfill leachate of the third feed inlet 13 may be mixed with the high temperature gas discharged from the cold source chamber, so that the high temperature gas may preheat the ash or atomize the landfill leachate at a high temperature, thereby improving the treatment efficiency of the ash and landfill leachate.
Further, as shown in fig. 1, the flue gas cleaning assembly 22 includes a denitration tower 221 and a desulfurization tower 222, the air inlet of the denitration tower 221 is communicated with the air outlet of the quenching tower 213, and the air inlet of the desulfurization tower 222 is communicated with the air outlet of the denitration tower 221.
It can be understood that after condensation treatment in the quenching tower 213, the flue gas exhausted from the incineration unit 1 is composed of pure gas, and the part of the gas is required to be discharged into the atmosphere through denitration and desulfurization treatment, so that the environmental protection of the garbage incineration treatment system of the application is improved.
Further, as shown in fig. 1, the flue gas purifying assembly 22 further includes an adsorption tower 223, an air inlet of the adsorption tower 223 is communicated with an air outlet of the desulfurizing tower 222, a slag discharging port of the adsorption tower 223 is communicated with a feeding port of the ash collecting bin 3, and the air outlet of the adsorption tower 223 is led to a chimney.
It should be noted that, activated carbon is generally added in the adsorption tower 223 to absorb dioxin mixed in the combustion flue gas, and the activated carbon having adsorbed dioxin may be discharged to the incineration unit 1 through the ash collection bin 3 to perform combustion treatment, thereby further reducing the amount of dioxin discharged.
Further, as shown in fig. 1, the garbage incineration treatment system further comprises a gasification furnace 32, wherein a feed inlet of the gasification furnace 32 is communicated with a discharge outlet of the ash collection bin 3, an air inlet of the gasification furnace 32 is communicated with an outlet of the cold source chamber, and a discharge outlet of the gasification furnace 32 is communicated with the second feed inlet 12.
It should be noted that, the activated carbon powder for adsorbing pollutants, the ash periodically cleaned by the waste heat boiler 211 and the ash separated by the gas-solid separator 212 have higher carbon content, the gasifier 32 may mix the ash and the high temperature gas discharged from the heat exchanger 214 to manufacture gas, and when the gasifier 32 introduces the gas into the second feed inlet or the third feed inlet, the gas with higher combustibility may be mixed with the ash and the landfill leachate, thereby improving the treatment efficiency of the ash and the landfill leachate.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; may be mechanically connected, may be electrically connected or may be in communication with each other; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
For purposes of this disclosure, the terms "one embodiment," "some embodiments," "example," "a particular example," or "some examples," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (10)
1. A waste incineration disposal system, comprising:
the incineration unit is provided with a feed inlet for inputting garbage, a slag discharge port for discharging incineration ash and an air outlet for discharging incineration flue gas;
the flue gas treatment unit comprises a waste heat recovery component and a flue gas purification component, wherein an air inlet of the waste heat recovery component is communicated with an air outlet of the incineration unit, the waste heat recovery component can recover heat of the incineration flue gas, an air inlet of the flue gas purification component is communicated with an air outlet of the waste heat recovery component, and the flue gas purification component can purify the incineration flue gas;
the feed inlet of the ash collecting bin, the waste heat recovery component and the slag discharging port of the smoke purification component are all communicated, and the discharge port of the ash collecting bin is communicated with the feed inlet of the incineration unit.
2. The waste incineration disposal system according to claim 1, wherein the feed inlet of the incineration unit includes a first feed inlet and a second feed inlet, the first feed inlet is capable of inputting bulk waste to the incineration unit, the second feed inlet is capable of inputting powder waste to the incineration unit, and the discharge outlet of the ash collection bin is communicated with the second feed inlet.
3. The waste incineration disposal system according to claim 2, wherein the feed inlet of the incineration unit further comprises a third feed inlet, the third feed inlet being adapted to spray landfill leachate into the incineration unit.
4. A waste incineration disposal system according to claim 3, further comprising a waste pretreatment unit, a solid discharge port of the waste pretreatment unit being in communication with the first feed port, and a liquid discharge port of the waste pretreatment unit being in communication with the third feed port.
5. The waste incineration disposal system according to claim 4, wherein the waste heat recovery assembly comprises a waste heat boiler, an air inlet of the waste heat boiler is communicated with an air outlet of the incineration unit, and a slag discharging port of the waste heat boiler is communicated with a feed port of the ash collection bin.
6. The waste incineration disposal system according to claim 5, wherein the waste heat recovery assembly further comprises a gas-solid separator, a quenching tower and a heat exchanger, the gas inlet of the gas-solid separator is communicated with the gas outlet of the waste heat boiler, the gas outlet of the gas-solid separator is communicated with the gas inlet of the quenching tower, the slag discharging port of the gas-solid separator is communicated with the feed port of the ash collection bin, and the water outlet of the quenching tower is communicated with the heat source chamber of the heat exchanger.
7. The waste incineration disposal system according to claim 6, wherein the cold source chamber of the heat exchanger is adapted to be supplied with normal temperature gas, and an outlet of the cold source chamber is communicated with the second feed port and/or the third feed port.
8. The waste incineration disposal system according to claim 6, wherein the flue gas purification assembly includes a denitration tower and a desulfurization tower, the gas inlet of the denitration tower is communicated with the gas outlet of the quenching tower, and the gas inlet of the desulfurization tower is communicated with the gas outlet of the denitration tower.
9. The waste incineration disposal system according to claim 8, wherein the flue gas purification assembly further comprises an adsorption tower, an air inlet of the adsorption tower is communicated with an air outlet of the desulfurization tower, a slag discharging port of the adsorption tower is communicated with a feed port of the ash collection bin, and an air outlet of the adsorption tower is led to a chimney.
10. The garbage incineration disposal system according to claim 7, further comprising a gasification furnace, wherein a feed port of the gasification furnace is communicated with a discharge port of the ash collection bin, an air inlet of the gasification furnace is communicated with an outlet of the cold source chamber, and a discharge port of the gasification furnace is communicated with the second feed port.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416997.8A CN116357977A (en) | 2023-04-18 | 2023-04-18 | Garbage incineration treatment system |
| PCT/CN2023/138014 WO2024125475A1 (en) | 2022-12-12 | 2023-12-12 | Burner, gasification device and waste incineration treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310416997.8A CN116357977A (en) | 2023-04-18 | 2023-04-18 | Garbage incineration treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116357977A true CN116357977A (en) | 2023-06-30 |
Family
ID=86924371
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310416997.8A Pending CN116357977A (en) | 2022-12-12 | 2023-04-18 | Garbage incineration treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116357977A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024125475A1 (en) * | 2022-12-12 | 2024-06-20 | 北京天地融创科技股份有限公司 | Burner, gasification device and waste incineration treatment system |
-
2023
- 2023-04-18 CN CN202310416997.8A patent/CN116357977A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2024125475A1 (en) * | 2022-12-12 | 2024-06-20 | 北京天地融创科技股份有限公司 | Burner, gasification device and waste incineration treatment system |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR101721614B1 (en) | Apparatus and method for treating gas discharged from cement kiln | |
| CN101869800B (en) | Method and system for purifying flue gas generated by incinerating waste materials | |
| KR100875519B1 (en) | A plant for reducing hazardous articles of exhaust gas in a incinerator using activated carbon | |
| CN101797572A (en) | Method for treating waste incineration fly ash by using plasmas | |
| CN101780467A (en) | Indirect thermal desorption device | |
| CN113587117B (en) | System and method for innocent treatment of sludge | |
| CN107261788A (en) | The removal methods and device of a kind of high-temperature flue gas Zhong bioxin | |
| CN109161402B (en) | Plasma gasification treatment device and method for solid waste | |
| CN116357977A (en) | Garbage incineration treatment system | |
| CN202272751U (en) | Rapid desalting purification recycling device for high-concentration saliferous waste water of fuel gas washing tower of hazardous waste incinerator | |
| CN107152684A (en) | Waste incineration method | |
| CN107952786B (en) | Method for treating solid hazardous waste | |
| CN109827176A (en) | A kind of rubbish integrated equipment for wastewater treatment | |
| CN112222171B (en) | Three-phase separation device, and thermal desorption treatment process and system for volatile contaminated soil | |
| CN205436569U (en) | Waste printed circuit board innocent treatment device | |
| CN201511035U (en) | Indirect thermal desorption equipment | |
| JP2000157832A (en) | Treatment of waste activated carbon and treatment of activated coke | |
| CN211011385U (en) | Plasma gasification furnace and waste incineration power plant's innocent treatment system | |
| CN108426250A (en) | A kind of domestic garbage gasification melting electricity generation system | |
| CN110715297A (en) | Harmless treatment system and method for plasma gasification furnace and waste incineration power plant | |
| CN107812771A (en) | Offal treatment reutilization system | |
| CN116422311A (en) | Thermal regeneration device and regeneration method for activated carbon | |
| CN110762542A (en) | System and method for sludge and hazardous waste co-disposal | |
| KR100530192B1 (en) | system of dry refuse derived fue | |
| CN101516536B (en) | A deposited industrial waste thermodecomposition apparatus and decomposition method using thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |