CN114101295A - Harmless resource treatment method and equipment for household garbage incineration fly ash - Google Patents
Harmless resource treatment method and equipment for household garbage incineration fly ash Download PDFInfo
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- CN114101295A CN114101295A CN202111429058.4A CN202111429058A CN114101295A CN 114101295 A CN114101295 A CN 114101295A CN 202111429058 A CN202111429058 A CN 202111429058A CN 114101295 A CN114101295 A CN 114101295A
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- 239000010881 fly ash Substances 0.000 title claims abstract description 95
- 238000000034 method Methods 0.000 title claims abstract description 56
- 239000010813 municipal solid waste Substances 0.000 title claims abstract description 30
- 238000002156 mixing Methods 0.000 claims abstract description 52
- 230000008569 process Effects 0.000 claims abstract description 31
- 238000005406 washing Methods 0.000 claims abstract description 29
- 238000002844 melting Methods 0.000 claims abstract description 21
- 230000008018 melting Effects 0.000 claims abstract description 21
- 238000003828 vacuum filtration Methods 0.000 claims abstract description 17
- WCUXLLCKKVVCTQ-UHFFFAOYSA-M Potassium chloride Chemical compound [Cl-].[K+] WCUXLLCKKVVCTQ-UHFFFAOYSA-M 0.000 claims abstract description 16
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 16
- 238000002425 crystallisation Methods 0.000 claims abstract description 16
- 230000008025 crystallization Effects 0.000 claims abstract description 16
- 229920000742 Cotton Polymers 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 238000001035 drying Methods 0.000 claims abstract description 8
- 235000011164 potassium chloride Nutrition 0.000 claims abstract description 8
- 239000001103 potassium chloride Substances 0.000 claims abstract description 8
- 239000011780 sodium chloride Substances 0.000 claims abstract description 8
- 239000002912 waste gas Substances 0.000 claims abstract description 7
- 238000004064 recycling Methods 0.000 claims abstract description 6
- 239000000463 material Substances 0.000 claims description 55
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 23
- 238000003756 stirring Methods 0.000 claims description 16
- 230000003197 catalytic effect Effects 0.000 claims description 14
- 230000003009 desulfurizing effect Effects 0.000 claims description 14
- 230000003647 oxidation Effects 0.000 claims description 14
- 238000007254 oxidation reaction Methods 0.000 claims description 14
- 239000002253 acid Substances 0.000 claims description 9
- 239000007789 gas Substances 0.000 claims description 8
- 238000005096 rolling process Methods 0.000 claims description 8
- 238000003860 storage Methods 0.000 claims description 8
- 239000000428 dust Substances 0.000 claims description 7
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000013329 compounding Methods 0.000 claims description 5
- 230000000382 dechlorinating effect Effects 0.000 claims description 2
- 230000001133 acceleration Effects 0.000 claims 2
- 150000003839 salts Chemical class 0.000 abstract description 8
- 239000000126 substance Substances 0.000 abstract description 8
- 238000005260 corrosion Methods 0.000 abstract description 3
- 230000007797 corrosion Effects 0.000 abstract description 3
- 230000000694 effects Effects 0.000 description 4
- 238000009434 installation Methods 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 239000000919 ceramic Substances 0.000 description 3
- 238000002485 combustion reaction Methods 0.000 description 3
- 239000002245 particle Substances 0.000 description 3
- 238000011084 recovery Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000002956 ash Substances 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 239000003344 environmental pollutant Substances 0.000 description 2
- 239000003546 flue gas Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 239000004615 ingredient Substances 0.000 description 2
- 231100000719 pollutant Toxicity 0.000 description 2
- 238000004056 waste incineration Methods 0.000 description 2
- 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 description 1
- 206010007269 Carcinogenicity Diseases 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 231100000260 carcinogenicity Toxicity 0.000 description 1
- 230000007670 carcinogenicity Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 231100000086 high toxicity Toxicity 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000011490 mineral wool Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012768 molten material Substances 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 231100000614 poison Toxicity 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000004071 soot Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000003440 toxic substance Substances 0.000 description 1
- 230000032258 transport Effects 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B17/00—Sulfur; Compounds thereof
- C01B17/69—Sulfur trioxide; Sulfuric acid
- C01B17/74—Preparation
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Materials Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to the relevant technical field of garbage treatment, in particular to a harmless recycling treatment method of fly ash from incineration of household garbage, which comprises a fly ash primary washing process, a primary vacuum filtration process, a fly ash secondary washing process, a secondary vacuum filtration process, a sodium chloride MVR forced circulation crystallization process, a potassium chloride vacuum crystallization process and a drying process, and also discloses equipment used by the harmless recycling treatment method of fly ash from incineration of household garbage, which comprises a fly ash warehouse, a batching adding hopper, a mixing device, a ball press, an electric melting furnace, a waste gas treatment component, a cotton collector, a curing furnace, a cooling chamber and a finished product treatment component; the household garbage incineration fly ash is treated through the processes of one-time washing, one-time vacuum filtration and the like of the fly ash, so that salt substances contained in the household garbage incineration fly ash are removed, the corrosion of the salt substances to subsequent processing equipment is effectively avoided, and the service life of the subsequent equipment is effectively ensured.
Description
Technical Field
The invention relates to the technical field related to garbage treatment, in particular to a harmless recycling treatment method and equipment for household garbage incineration fly ash.
Background
Fly ash is a tiny soot particle that is emitted from the combustion products during the combustion process. The particle size is generally 1 to 100 μm. Also known as fly ash or fly ash. The fine solid particles in the flue gas ash resulting from the combustion of the fuel. For example, the fine ash collected from flue gas of a coal-fired power plant, and the waste fly ash formed by burning the waste is different from the waste fly ash of a power plant, is rich in toxic substances such as heavy metal, dioxin and the like, is a high-toxicity pollutant, has strong carcinogenicity, and therefore needs to be treated before being discharged so as to avoid environmental pollution.
Disclosure of Invention
The invention aims to provide a method and equipment for harmless and resource recycling treatment of household garbage incineration fly ash, so as to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: the harmless recycling treatment method of the household garbage incineration fly ash comprises a fly ash primary water washing process, a primary vacuum filtration process, a fly ash secondary water washing process, a secondary vacuum filtration process, a sodium chloride MVR forced circulation crystallization process, a potassium chloride vacuum crystallization process and a drying process.
Preferably, the mass ratio of the water consumption to the fly ash in the fly ash one-time water washing process is 1: 1.
Preferably, the water used in the secondary washing process of the fly ash is obtained by dechlorinating water used in the primary washing process of the fly ash, and the mass ratio of the water consumption to the fly ash in the secondary washing process of the fly ash is 1: 1.
The equipment used in the harmless resource treatment method of the household garbage incineration fly ash comprises the following steps: fly ash storehouse, batching add fill, compounding device, ball press machine, electric melting furnace, exhaust-gas treatment subassembly, collection cotton machine, curing oven, cooling chamber, finished product processing subassembly.
Preferably, the fly ash added into the fly ash warehouse is treated by a fly ash harmless resource treatment method.
Preferably, the mixing device is composed of a mixing tank and a mixing stirring shaft, a feed inlet is arranged on the side wall of the mixing tank, the feed inlet is connected with a material returning opening of the fly ash storehouse and the ingredient adding hopper through a spiral material conveyor, a material returning opening is arranged on the lower side surface of the mixing tank, mixing blades are uniformly arranged on the side wall of the stirring shaft, an annular seat is arranged at the upper end of the side wall of the mixing tank, an arc-shaped bulge is arranged on the upper surface of the annular seat, an installation seat is arranged above the annular seat, a roller component is arranged on the lower surface of the installation seat, a wheel body of the roller component is arranged by combining the annular seat, a guide rod is arranged on the upper surface of the installation seat, a rotating seat is arranged right above the installation seat, a guide rod hole is formed in the rotating seat, the guide rod is arranged by penetrating through the guide rod hole, and a rotating shaft is arranged on the upper surface of the rotating seat, the rotating shaft is rotatably arranged on the top wall of the tank body of the mixing tank.
Preferably, the lower surface of the rotating seat is connected with the upper surface of the mounting seat through a supporting spring, and when the mounting seat is located at the lowest point, the supporting spring is in a reset state.
Preferably, the material returned mouth of compounding device is connected with one-level transfer feed bin through first bucket elevator, and the material returned mouth position department of one-level transfer feed bin is connected with second bucket elevator through second screw conveyer, and the material returned port of second bucket elevator is connected with the feed inlet of ball press machine, and the material returned port of ball press machine is connected with second grade transfer feed bin through third bucket elevator, and the lower extreme of second grade transfer feed bin is provided with transports the feed bin, the rear side of transporting the feed bin is provided with fourth bucket elevator, fourth bucket elevator is connected with tertiary transfer feed bin, and the material returned mouth of tertiary transfer feed bin is connected with stokehold feed bin through belt conveyor, and the material returned mouth of stokehold feed bin is connected with the feed inlet of electric melting furnace through second grade belt conveyor.
Preferably, the exhaust-gas treatment subassembly is connected with the gas outlet of electric melting furnace, the exhaust-gas treatment subassembly comprises pottery dust remover, tuber pipe, fan, first catalytic oxidation desulfurizing tower, second catalytic oxidation desulfurizing tower and the combination of storage acid tank, pottery dust remover, tuber pipe, fan, first catalytic oxidation desulfurizing tower, second catalytic oxidation desulfurizing tower and storage acid tank are connected gradually between.
Preferably, the melting material returned mouth of electric melting furnace is connected with centrifuge through horizontal material way, and collection cotton machine sets up for the below that is located centrifuge, collection cotton machine's material returned end is connected with curing oven's feed port through tertiary band conveyer, the cooling chamber sets up the rear side at curing oven, the finished product processing subassembly is retrieved mechanism, length-measuring conveyer, wainscot machine, crosscut machine, is accelerateed belt feeder and the felt-rolling machine and is constituteed by the rim charge, mechanism, length-measuring conveyer, wainscot machine, crosscut machine, the belt feeder and the felt-rolling machine of accelerateing set gradually for the rear side that is located the cooling chamber is retrieved to the rim charge.
Compared with the prior art, the invention has the beneficial effects that:
1. the fly ash incineration fly ash is treated through a fly ash primary water washing process, a primary vacuum filtration process, a fly ash secondary water washing process, a secondary vacuum filtration process, a sodium chloride MVR forced circulation crystallization process, a potassium chloride vacuum crystallization process and a drying process, so that salt substances contained in the fly ash incineration fly ash are removed, the corrosion of the salt substances to subsequent processing equipment is effectively avoided, and the service life of the subsequent equipment is effectively ensured;
2. the mixing device is formed by combining the mixing tank and the mixing stirring shaft, and the annular seat, the arc-shaped bulge, the roller wheel assembly, the mounting seat, the guide rod, the rotating seat and the like are arranged in the tank body of the mixing tank, so that the mounting seat can move up and down through the arc-shaped bulge, and the mixing blade can play a good stirring role in the horizontal direction and the vertical direction during stirring, thereby ensuring the mixing effect of the structure on materials;
3. and through set up supporting spring at the lower surface of rotating the seat and the upper surface of mount pad to through supporting spring's effect, with the return stroke motion that carries on that guarantees that the mount pad can be stable, thereby guarantee its stability at longitudinal direction motion.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a half sectional view of a mixing apparatus;
FIG. 3 is an enlarged view of the structure at A in FIG. 2;
fig. 4 is an enlarged schematic view of the structure at B in fig. 2.
In the figure: fly ash storehouse 1, batching adds hopper 2, compounding device 3, first bucket elevator 4, first order transfer feed bin 5, second bucket elevator 6, press ball machine 7, third bucket elevator 8, second grade transfer feed bin 9, transfer feed bin 10, fourth bucket elevator 11, third grade transfer feed bin 12, stokehold feed bin 13, electric melting furnace 14, ceramic dust remover 15, tuber pipe 16, fan 17, first catalytic oxidation desulfurizing tower 18, second catalytic oxidation desulfurizing tower 19, acid storage tank 20, horizontal material way 21, centrifuge 22, cotton collector 23, tertiary belt conveyor 24, curing oven 25, cooling chamber 26, rim charge recovery mechanism 27, length measuring conveyor 28, facing machine 29, crosscut machine 30, belt conveyor 31, felt rolling machine 32, mixing tank 33, stirring shaft 34, feed inlet 35, roller material returning port 36, annular seat 37, arc-shaped protrusion 38, stirring shaft 39, mount pad 40, mounting seat 40, roller box 30, belt conveyor 31, felt rolling machine 32, mixing tank 33, mixing shaft 34, Guide rod 41, rotating seat 42, support spring 43.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Referring to fig. 1-4, the present invention provides a technical solution: the harmless resource treatment method of the municipal solid waste incineration fly ash comprises a fly ash primary water washing process, a primary vacuum filtration process, a fly ash secondary water washing process, a secondary vacuum filtration process, a sodium chloride MVR forced circulation crystallization process, a potassium chloride vacuum crystallization process and a drying process, and a large amount of heavy metal elements such as Pb, Cd, Hg and the like contained in the municipal solid waste incineration fly ash are removed through the sodium chloride MVR forced circulation crystallization process and the potassium chloride vacuum crystallization process, so that the content of pollutants in the fly ash is effectively reduced.
The mass ratio of the water consumption to the fly ash in the fly ash one-time water washing process is 1: 1;
the water used in the secondary washing process of the fly ash is water used in the primary washing process of the fly ash and is obtained through a dechlorination step, the mass ratio of the water usage to the fly ash in the secondary washing process of the fly ash is 1:1, and the fly ash incineration fly ash is treated through the primary washing process of the fly ash, the primary vacuum filtration process, the secondary washing process of the fly ash, the secondary vacuum filtration process, the forced circulation crystallization process of sodium chloride MVR, the vacuum crystallization process of potassium chloride and the drying process, so that salt substances contained in the incineration fly ash of the household garbage are removed, the corrosion of the salt substances to subsequent processing equipment is effectively avoided, and the service life of the subsequent equipment is effectively ensured;
the equipment used in the harmless resource treatment method of the household garbage incineration fly ash comprises the following steps: the device comprises a fly ash storehouse 1, a batching adding hopper 2, a mixing device 3, a ball press machine 7, an electric melting furnace 14, a waste gas treatment component, a cotton collecting machine 23, a curing furnace 25, a cooling chamber 26 and a finished product treatment component;
the fly ash added in the fly ash warehouse 1 is treated by a fly ash harmless resource treatment method;
the mixing device 3 is composed of a mixing tank 33 and a mixing stirring shaft 34, a feed inlet 35 is arranged on the side wall of the mixing tank 33, the feed inlet 35 is connected with the material returning opening of the fly ash storehouse 1 and the ingredient adding hopper 2 through a spiral conveyer, a material returning opening 36 is arranged on the lower side surface of the mixing tank 33, mixing blades are uniformly arranged on the side wall of the stirring shaft 34, an annular seat 37 is arranged near the upper end of the side wall of the mixing tank 33, an arc-shaped bulge 38 is arranged on the upper surface of the annular seat 37, a mounting seat 40 is arranged above the annular seat 37, a roller assembly 39 is arranged on the lower surface of the mounting seat 40, a wheel body of the roller assembly 39 is arranged close to the annular seat 37, a guide rod 41 is arranged on the upper surface of the mounting seat 40, a rotating seat 42 is arranged right above the mounting seat 40, a guide rod hole is arranged on the rotating seat 42, the guide rod 41 is arranged to pass through the guide rod hole, and a rotating shaft 44 is arranged on the upper surface of the rotating seat 42, the rotating shaft 44 is rotatably mounted on the top wall of the mixing tank 33, the mixing device 3 is formed by combining the mixing tank 33 and the mixing stirring shaft 34, and the annular seat 37, the arc-shaped bulge 38, the roller assembly 39, the mounting seat 40, the guide rod 41, the rotating seat 42 and other structures are arranged in the mixing tank 33, so that the mounting seat 40 can move up and down through the arc-shaped bulge 38, and the mixing blades can play a good stirring role in the horizontal direction and the vertical direction during stirring, thereby ensuring the mixing effect of the structure on materials;
the lower surface of the rotating seat 42 is connected with the upper surface of the mounting seat 40 through the supporting spring 43, when the mounting seat 40 is located at the lowest point, the supporting spring 43 is in a reset state, and the supporting spring 43 is arranged on the lower surface of the rotating seat 42 and the upper surface of the mounting seat 40, so that the mounting seat 40 can stably perform return movement under the action of the supporting spring 43, and the stability of the movement in the longitudinal direction is ensured;
a material returning port of the material mixing device 3 is connected with a first-stage transfer bin 5 through a first bucket elevator 4, a second bucket elevator 6 is connected to the position of the material returning port of the first-stage transfer bin 5 through a second screw conveyor, a material returning port of the second bucket elevator 6 is connected with a material inlet of a ball press machine 7, a material returning port of the ball press machine 7 is connected with a second-stage transfer bin 9 through a third bucket elevator 8, a transfer bin 10 is arranged at the lower end of the second-stage transfer bin 9, a fourth bucket elevator 11 is arranged on the rear side of the transfer bin 10, the fourth bucket elevator 11 is connected with a third-stage transfer bin 12, a material returning port of the third-stage transfer bin 12 is connected with a stokehole bin 13 through a belt conveyor, and a material returning port of the stokehole bin 13 is connected with a material inlet of an electric melting furnace 14 through a second-stage belt conveyor;
the waste gas treatment component is connected with a gas outlet of the electric melting furnace 14, the waste gas treatment component is formed by combining a ceramic dust remover 15, an air pipe 16, a fan 17, a first catalytic oxidation desulfurizing tower 18, a second catalytic oxidation desulfurizing tower 19 and an acid storage tank 20, and the ceramic dust remover 15, the air pipe 16, the fan 17, the first catalytic oxidation desulfurizing tower 18, the second catalytic oxidation desulfurizing tower 19 and the acid storage tank 20 are sequentially connected;
a molten material discharge port of the electric melting furnace 14 is connected with a centrifuge 22 through a horizontal material channel 21, a cotton collection machine 23 is arranged below the centrifuge 22, a discharge end of the cotton collection machine 23 is connected with a feed port of a curing furnace 25 through a three-stage belt conveyor 24, a cooling chamber 26 is arranged at the rear side of the curing furnace 25, a finished product processing assembly is formed by combining an edge material recovery mechanism 27, a length measuring conveyor 28, a facing machine 29, a transverse cutting machine 30, an accelerating belt conveyor 31 and a felt rolling machine 32, and the edge material recovery mechanism 27, the length measuring conveyor 28, the facing machine 29, the transverse cutting machine 30, the accelerating belt conveyor 31 and the felt rolling machine 32 are sequentially arranged at the rear side of the cooling chamber 26;
the working principle is as follows: the fly ash is treated by the fly ash primary washing, the primary vacuum filtration process, the fly ash secondary washing, the secondary vacuum filtration process, the sodium chloride MVR forced circulation crystallization process, the potassium chloride vacuum crystallization process and the drying process, so as to remove salt substances contained in the fly ash burnt by the household garbage, thereby effectively avoiding the salt substances from corroding subsequent processing equipment, thereby effectively ensuring the service life of the subsequent equipment, and the material mixing device 3 is formed by combining the material mixing tank 33 and the material mixing stirring shaft 34, and the annular seat 37, the arc-shaped bulge 38, the roller component 39, the mounting seat 40, the guide rod 41, the rotating seat 42 and other structures are arranged in the tank body of the material mixing tank 33, thereby realizing the up-and-down movement of the mounting seat 40 through the arc-shaped bulge 38, so that the material mixing blades can play a good stirring role in the horizontal direction and the vertical direction when being stirred, thereby ensuring the mixing effect of the structure on the materials, and ensuring the stable return motion of the mounting seat 40 and the stability of the motion in the longitudinal direction by arranging the supporting springs 43 on the lower surface of the rotating seat 42 and the upper surface of the mounting seat 40 through the action of the supporting springs 43, when in actual use, firstly carrying out primary washing treatment, primary vacuum filtration treatment, secondary washing treatment, secondary vacuum filtration treatment and drying treatment on the fly ash of the garbage incineration fly ash in sequence, then adding the treated fly ash into the fly ash storage 1, then adding auxiliary materials into the auxiliary material adding hopper 2, then conveying the auxiliary materials and the fly ash into the mixing device 3 for mixing, treating the materials after mixing in sequence through the ball press machine 7 and the electric melting furnace 14, and carrying out acid making treatment on acid gas formed in the electric melting furnace 14 through the waste gas treatment component, the melting material of the electric melting furnace 14 is processed by the centrifuge 22, the cotton collector 23 and the curing furnace 25 in sequence, so that rock wool is produced, waste is utilized, and the electric melting furnace is very environment-friendly.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (10)
1. The harmless and resource treatment method of the household garbage incineration fly ash is characterized by comprising the following steps: the harmless recycling treatment method of the household garbage incineration fly ash comprises a fly ash primary water washing process, a primary vacuum filtration process, a fly ash secondary water washing process, a secondary vacuum filtration process, a sodium chloride MVR forced circulation crystallization process, a potassium chloride vacuum crystallization process and a drying process.
2. The harmless resource treatment method of the fly ash from incineration of household garbage according to claim 1, characterized in that: the mass ratio of the water consumption to the fly ash in the fly ash one-time water washing process is 1: 1.
3. The harmless resource treatment method of the fly ash from incineration of household garbage according to claim 1, characterized in that: the water used in the secondary washing process of the fly ash is obtained by dechlorinating water used in the primary washing process of the fly ash, and the mass ratio of the water consumption to the fly ash in the secondary washing process of the fly ash is 1: 1.
4. An apparatus for the harmless resource disposal method of fly ash from incineration of domestic garbage according to any one of claims 1 to 3, characterized in that: the equipment used in the harmless resource treatment method of the household garbage incineration fly ash comprises the following steps: fly ash storehouse (1), batching add fill (2), compounding device (3), ball press machine (7), electric melting furnace (14), exhaust-gas treatment subassembly, collection cotton machine (23), curing oven (25), cooling chamber (26), finished product processing subassembly.
5. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 4, characterized in that: the fly ash added in the fly ash storehouse (1) is treated by a fly ash harmless resource treatment method.
6. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 4, characterized in that: the mixing device (3) is composed of a mixing tank (33) and a mixing stirring shaft (34), a feeding hole (35) is formed in the side wall of the mixing tank (33), the feeding hole (35) is connected with a fly ash storehouse (1) and a material returning hole of a material adding hopper (2) through a spiral material conveyor, a material returning hole (36) is formed in the lower side surface of the mixing tank (33), mixing blades are uniformly arranged on the side wall of the stirring shaft (34), an annular seat (37) is arranged on the side wall of the mixing tank (33) close to the upper end, an arc-shaped bulge (38) is arranged on the upper surface of the annular seat (37), a mounting seat (40) is arranged above the annular seat (37), a roller component (39) is arranged on the lower surface of the mounting seat (40), a wheel body of the roller component (39) is arranged close to the annular seat (37), a guide rod (41) is arranged on the upper surface of the mounting seat (40), and be provided with directly over mount pad (40) and rotate seat (42), rotate and seted up the guide rod hole on seat (42), and guide rod (41) sets up for passing the guide rod hole, and the upper surface that rotates seat (42) is provided with pivot (44), pivot (44) are installed on the jar body roof of compounding jar (33) for rotating.
7. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 6, characterized in that: the lower surface of the rotating seat (42) is connected with the upper surface of the mounting seat (40) through a supporting spring (43), and when the mounting seat (40) is located at the lowest point, the supporting spring (43) is in a reset state.
8. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 4, characterized in that: the material returning port of the material mixing device (3) is connected with a first-level transfer bin (5) through a first bucket elevator (4), the material returning port of the first-level transfer bin (5) is connected with a second bucket elevator (6) through a second screw conveyor, the material returning port of the second bucket elevator (6) is connected with the feed inlet of a ball press machine (7), the material returning port of the ball press machine (7) is connected with a second-level transfer bin (9) through a third bucket elevator (8), the lower end of the second-level transfer bin (9) is provided with a transfer bin (10), the rear side of the transfer bin (10) is provided with a fourth bucket elevator (11), the fourth bucket elevator (11) is connected with a third-level transfer bin (12), and the material returning port of the third-level transfer bin (12) is connected with a stokehole bin (13) through a belt conveyor, and the material returning opening of the stokehole bin (13) is connected with the feeding opening of the electric melting furnace (14) through a secondary belt conveyor.
9. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 8, characterized in that: the waste gas treatment subassembly is connected with the gas outlet of electric melting furnace (14), the waste gas treatment subassembly comprises pottery dust remover (15), tuber pipe (16), fan (17), first catalytic oxidation desulfurizing tower (18), second catalytic oxidation desulfurizing tower (19) and acid storage tank (20) combination, for connecting gradually between pottery dust remover (15), tuber pipe (16), fan (17), first catalytic oxidation desulfurizing tower (18), second catalytic oxidation desulfurizing tower (19) and the acid storage tank (20).
10. The apparatus used in the harmless resource disposal method of fly ash from incineration of household garbage according to claim 8, characterized in that: melting material returned mouth of electric melting furnace (14) is connected with centrifuge (22) through horizontal material way (21), and collection cotton machine (23) sets up for the below that is located centrifuge (22), the material returned end of collection cotton machine (23) is connected with the inlet port of curing oven (25) through tertiary band conveyer (24), cooling chamber (26) set up the rear side at curing oven (25), the finished product processing subassembly is retrieved mechanism (27), length-measuring conveyer (28), wainscot machine (29), crosscut machine (30), acceleration belt feeder (31) and felt-rolling machine (32) combination by rim charge and constitutes, mechanism (27), length-measuring conveyer (28), wainscot machine (29), crosscut machine (30), acceleration belt feeder (31) and felt-rolling machine (32) set gradually for the rear side that is located cooling chamber (26) is retrieved to the rim charge.
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