CN108972865A - A kind of operation method of rotary incineration of refuse flyash microwave sintering haydite - Google Patents
A kind of operation method of rotary incineration of refuse flyash microwave sintering haydite Download PDFInfo
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- CN108972865A CN108972865A CN201810955747.0A CN201810955747A CN108972865A CN 108972865 A CN108972865 A CN 108972865A CN 201810955747 A CN201810955747 A CN 201810955747A CN 108972865 A CN108972865 A CN 108972865A
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- haydite
- reaction furnace
- furnace
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- 239000010881 fly ash Substances 0.000 title claims abstract description 39
- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000009768 microwave sintering Methods 0.000 title claims abstract description 23
- 238000006243 chemical reaction Methods 0.000 claims abstract description 64
- 238000010438 heat treatment Methods 0.000 claims abstract description 27
- 239000007822 coupling agent Substances 0.000 claims abstract description 26
- 238000005245 sintering Methods 0.000 claims abstract description 21
- 239000011028 pyrite Substances 0.000 claims abstract description 15
- NIFIFKQPDTWWGU-UHFFFAOYSA-N pyrite Chemical compound [Fe+2].[S-][S-] NIFIFKQPDTWWGU-UHFFFAOYSA-N 0.000 claims abstract description 15
- 229910052683 pyrite Inorganic materials 0.000 claims abstract description 15
- 239000003818 cinder Substances 0.000 claims abstract description 14
- 239000000428 dust Substances 0.000 claims abstract description 10
- 238000001816 cooling Methods 0.000 claims description 35
- 239000004744 fabric Substances 0.000 claims description 27
- 238000007789 sealing Methods 0.000 claims description 16
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 13
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 claims description 10
- 238000002347 injection Methods 0.000 claims description 10
- 239000007924 injection Substances 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N Alumina Chemical group [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 9
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 239000008187 granular material Substances 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 229910000831 Steel Inorganic materials 0.000 claims description 3
- 239000000919 ceramic Substances 0.000 claims description 3
- 239000003610 charcoal Substances 0.000 claims description 3
- 229910052802 copper Inorganic materials 0.000 claims description 3
- 239000010949 copper Substances 0.000 claims description 3
- 229940056319 ferrosoferric oxide Drugs 0.000 claims description 3
- 229910002804 graphite Inorganic materials 0.000 claims description 3
- 239000010439 graphite Substances 0.000 claims description 3
- 238000012216 screening Methods 0.000 claims description 3
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 3
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 3
- 229910001220 stainless steel Inorganic materials 0.000 claims description 3
- 239000010935 stainless steel Substances 0.000 claims description 3
- 239000010959 steel Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 239000002253 acid Substances 0.000 claims 1
- 229910002090 carbon oxide Inorganic materials 0.000 claims 1
- 239000002956 ash Substances 0.000 abstract description 8
- 239000002994 raw material Substances 0.000 abstract description 4
- 239000000779 smoke Substances 0.000 abstract description 3
- 238000002156 mixing Methods 0.000 abstract description 2
- 238000002360 preparation method Methods 0.000 abstract description 2
- 238000005096 rolling process Methods 0.000 abstract description 2
- 238000000926 separation method Methods 0.000 abstract description 2
- 238000005469 granulation Methods 0.000 abstract 1
- 230000003179 granulation Effects 0.000 abstract 1
- 239000000843 powder Substances 0.000 abstract 1
- 239000007789 gas Substances 0.000 description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 5
- 239000003546 flue gas Substances 0.000 description 5
- 229910001385 heavy metal Inorganic materials 0.000 description 5
- 239000002699 waste material Substances 0.000 description 5
- 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 4
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- MBMLMWLHJBBADN-UHFFFAOYSA-N Ferrous sulfide Chemical group [Fe]=S MBMLMWLHJBBADN-UHFFFAOYSA-N 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 150000004760 silicates Chemical class 0.000 description 3
- RWSOTUBLDIXVET-UHFFFAOYSA-N Dihydrogen sulfide Chemical compound S RWSOTUBLDIXVET-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical group [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000002906 medical waste Substances 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 239000002893 slag Substances 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 229910052717 sulfur Chemical group 0.000 description 2
- 239000011593 sulfur Chemical group 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 239000011449 brick Substances 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 239000004568 cement Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 239000000567 combustion gas Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 239000000383 hazardous chemical Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 229910052745 lead Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000005855 radiation Effects 0.000 description 1
- 230000035484 reaction time Effects 0.000 description 1
- 238000011084 recovery Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/004—Devices for shaping artificial aggregates from ceramic mixtures or from mixtures containing hydraulic binder
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/241—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening using microwave heating means
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/243—Setting, e.g. drying, dehydrating or firing ceramic articles
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B38/00—Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof
- C04B38/009—Porous or hollow ceramic granular materials, e.g. microballoons
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/10—Rotary-drum furnaces, i.e. horizontal or slightly inclined internally heated, e.g. by means of passages in the wall
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/34—Arrangements of heating devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B7/00—Rotary-drum furnaces, i.e. horizontal or slightly inclined
- F27B7/20—Details, accessories, or equipment peculiar to rotary-drum furnaces
- F27B7/38—Arrangements of cooling devices
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/03—Charges containing minerals
- F27M2001/035—China
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2001/00—Composition, conformation or state of the charge
- F27M2001/16—Particulate material, e.g. comminuted scrap
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27M—INDEXING SCHEME RELATING TO ASPECTS OF THE CHARGES OR FURNACES, KILNS, OVENS OR RETORTS
- F27M2003/00—Type of treatment of the charge
- F27M2003/04—Sintering
Abstract
The invention discloses a kind of operation methods of rotary incineration of refuse flyash microwave sintering haydite, incineration of refuse flyash is mixed and is granulated with pyrite cinder by this method, enter the carry out microwave sintering of revolution furnace body after granulation together with microwave coupling agent powder, by being obliquely installed rotary reaction furnace, make haydite while rolling mixing by microwave heating, haydite clinker is separated with microwave coupling agent after sintering, microwave coupling agent after separation is returned as raw material to be recycled, this innovation improves the utilization rate of microwave coupling agent, preparation process of the invention simultaneously is simple, using energy source is abundant, it solves the problems, such as to generate the harmful smoke for largely needing to purify in traditional sintering techniques, promote the industrialization process of flying ash microwave sintering, the flying dust harmless treatment being particularly suitable for for the purpose of flying ash sintering ceramsite.
Description
The present patent application is parent application " a kind of device of rotary incineration of refuse flyash microwave sintering haydite and operation side
The divisional application of method ", applying date of parent application are on August 5th, 2016, parent application application No. is 2016106431753.
Technical field
The present invention relates to the method for incineration of refuse flyash processing, especially a kind of rotary incineration of refuse flyash microwave sinterings
The operation method of haydite.
Background technique
In incineration of refuse flyash rich in two dislike because and the hazardous materials such as heavy metal, sintering processes can decompose in flying dust two and dislike
Cause solidifies most of heavy metal, and is prepared into haydite.But traditional flying dust sintering all uses fire coal, combustion gas, the revolution of fuel Heating
Kiln burner generates high-temperature flue gas and heats to discharging, influenced by imperfect combustion etc., in sintering process, due to heated
Unevenly, cause the sintering rate of recovery low, and the sintering time period is long, energy consumption is high, unstable product quality, sintering is uneven.
Microwave heating has obtained widely in recent years because of the advantages that its heating speed is fast, selectivity is strong, homogeneous heating
Using." hot spot-effect " is the key property of microwave heating, and quick heating effect is conduction and convection current as caused by the effect
What mode was not achieved.Patent CN 103601526B discloses the method for medical flying ash microwave baking ceramsite.Pyrite
Slag is that a kind of waste residue discharged in raw material production sulfuric acid process is done using troilite or sulfur-bearing tailings, and main component is
Fe3O4、Fe2O3, sulfate, the silicates and oxides of metal etc..To solve its problem of environmental pollution, pyrite cinder conduct
Waste residue is usually used to slag brick processed or the auxiliary material as cement baking.
Summary of the invention
The present invention overcomes the disadvantages of the prior art, provides a kind of rotary incineration of refuse flyash microwave sintering haydite
Operation method.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions:
A kind of device of rotary incineration of refuse flyash microwave sintering haydite, including the first hopper, the second hopper, stirring dress
It sets, molding machine, first charging aperture, second charging aperture, rotary reaction furnace, microwave heating equipment, fore-stock, after-poppet, flue gas go out
Mouth, cooling device, vibrating screen, water cooling plant, extracting tower, active carbon injection apparatus, bag filter and air-introduced machine；Wherein:
First hopper and the second hopper are separately connected agitating device, add medical waste to agitating device by two hoppers
Flying ash and pyrite cinder, and be uniformly mixed using agitating device；
Agitating device connecting machine controls the amounts of particles being added into sintering furnace body and speed using feeding device；
Molding machine connects the first charging aperture on rotary reaction furnace, the setting the in the first charging aperture side of rotary reaction furnace
Two feed inlets, the charging for microwave coupling agent；
The front end of rotary reaction furnace is cloth room, and the middle part for the rotary reaction furnace being connected with cloth room is agglomerating chamber, revolution
The tail end of reacting furnace is connected with tail portion housing and forms cooling chamber, and microwave heating equipment is arranged on the furnace body surface of agglomerating chamber,
Outer casing is coaxially disposed in the outside of agglomerating chamber；
Fore-stock is set below the front end of rotary reaction furnace, after-poppet is set below the rear end of rotary reaction furnace,
Bottom bevel is set below fore-stock and after-poppet, makes rotary reaction furnace horizontal by certain inclination angle, so that the particle in furnace
It can be along furnace body side roll to the right；Or fore-stock is set below the front end of rotary reaction furnace, in the rear end of rotary reaction furnace
After-poppet is arranged in lower section, hydraulic device, the height of the adjustable fore-stock of hydraulic device is arranged in the lower end of fore-stock, so that returning
Turn reacting furnace horizontal by certain inclination angle, allows particle in furnace along furnace body side roll to the right；
Cooling device is set in the tail portion housing bottom end of the end of reacting furnace, cooling device connects vibrating screen, tail portion cover
Shell top is connected by pipeline with the top of water cooling plant, and water cooling plant is connected by pipeline with the top of extracting tower, extracting tower
By piping connection bag filter, setting property charcoal injection apparatus, cloth bag on the pipeline that extracting tower is connected with bag filter
Deduster connects air-introduced machine.
Moreover, the first flapper is arranged in the first charging aperture, the second flapper is set in second charging aperture,
In tail portion, third flapper is arranged in the junction of housing and cooling device.
Moreover, front head cover is arranged in the front end in the cloth room, in front end, the junction of head-shield and cloth room is arranged
Sealing ring.
Moreover, the cloth room is steel, agglomerating chamber is aluminium oxide ceramics system, and sealing is arranged in the junction of the two
Circle.
Moreover, sealing ring is arranged in the junction of the tail portion housing and rotary reaction furnace end.
Moreover, sealing ring described above is red copper sealing ring.
Moreover, the outer casing is stainless steel, insulating layer is set, the junction of outer casing and agglomerating chamber is set in outer casing
Graphite annulus is set to be sealed.
Moreover, the microwave heating equipment is magnetron, set-up mode is the lateral edge outside the furnace body of rotary reaction furnace
Longitudinally disposed 6-15 group magnetron, every group of magnetron are circumferentially around being uniformly arranged, and the quantity of every group of magnetron is 4-6
It is a.
Moreover, the radiating mode of the magnetron is water-cooled cooling.
Moreover, the included angle of the bottom bevel and plane is 5-15 degree, the angle of the reacting furnace and plane
Angle is 5-15 degree.
Moreover, driving motor is arranged by the fore-stock, it is connected with rotary reaction furnace, is the rotation of rotary reaction furnace
(being pivoted about with central axis) provides power.
In the above-mentioned technical solutions, hydraulic device adjusts the height of fore-stock, so that rotary reaction furnace is horizontal by one
Behind constant inclination angle, the lateral attitude of rotary reaction furnace is locked, restarts driving motor, drives rotary reaction furnace in itself
Mandrel pivots about, so that material realizes uniformly mixed and heating in an inclined state in furnace.
A kind of operation method of rotary incineration of refuse flyash microwave sintering haydite,
It carries out as steps described below:
Step 1: starting microwave heating equipment starts driving motor to carrying out being heated to set temperature in rotary reaction furnace,
Rotate rotary reaction furnace；
Step 2: adding incineration of refuse flyash in the first hopper, pyrite cinder is added in the second hopper, the two exists
After being mixed evenly in agitating device, it is pressed into fly ash granule through molding machine, fly ash granule passes through the first flapper and first
Feed inlet, into the cloth room of rotary reaction furnace, while the second flapper and second charging aperture are passed through in microwave coupling agent, are entered
In the cloth room of rotary reaction furnace；
Step 3: in the rotation of rotary reaction furnace, fly ash granule is mixed in cloth room with microwave coupling agent, and
Enter in the agglomerating chamber of rotary reaction furnace afterwards, by microwave heating equipment heat-agglomerating at haydite clinker, haydite clinker enters tail portion
Housing, haydite clinker are discharged through third flapper, after, vibrating screen screening cooling through cooler, obtain haydite finished product and repeat
The microwave coupling agent used, this part microwave coupling agent, which can be sent to second charging aperture, to be reused；
Step 4: large quantity of exhaust gas is produced in the sintering process of haydite, exhaust gas sequentially enters water cooling by exhanst gas outlet and fills
It sets, extracting tower, active carbon injection apparatus and bag filter, is emitted into atmosphere after completing the processing of exhaust gas.
Moreover, the mass ratio of the incineration of refuse flyash and pyrite cinder is 10:1~2:1.
Moreover, the microwave coupling agent is powdered, including silicon carbide, active carbon, ferroso-ferric oxide etc..
Moreover, the exhaust gas includes dioxin, volatile heavy metal and sour gas etc..
Compared with prior art, the invention has the benefit that first using enrichment microwave coupling agent-Fe in charging3O4's
Pyrite cinder combines microwave absorbing property of the Self substances in microwave field in flying dust as auxiliary material, ensure that inside particle
Microwave absorbing property, while silicates and oxides improve in flying dust into Tao Chengfen in pyrite cinder, realize waste treatment and waste；With
The microwave coupling agent that grain enters together will wrap up around particle, and microwave coupling agent generates rapidly high temperature under microwave field, in this way may be used
Dioxin is thoroughly decomposed in a very short period of time, while improving ceramisite sintered efficiency；By being obliquely installed rotary reaction furnace, make
Haydite is by microwave heating while rolling mixing, and haydite clinker is separated with microwave coupling agent after sintering, the microwave after separation
Couplant is returned as raw material and is recycled, this innovation improves the utilization rate of microwave coupling agent, while preparation of the invention
Journey is simple, and using energy source is abundant, solves the problems, such as to generate the harmful smoke for largely needing to purify in traditional sintering techniques, promotes to burn
The industrialization process of flying dust microwave sintering is burnt, the flying dust harmless treatment being particularly suitable for for the purpose of flying ash sintering ceramsite；
Constantly overturning heating during the sintering process, material are evenly distributed without delay in cylinder in rotary furnace body, and heat radiation area is big, rises
Warm speed is fast, it can slagging prevention, which has, realizes the shorter reaction time；In microwave heating system, it is not required to be passed through a large amount of skies
Gas, generation exhaust gas volumn is few, and minute quantity volatile heavy metal such as Cd, Pb can pass through subsequent flue gas purification system with smoke evaporative
It captures and collects, without complicated tail gas clean-up facility.The absorption that the present invention efficiently uses flyash ingredient and adds materials to microwave
Performance promotes the industrialization process of flying ash microwave sintering, the flying dust being particularly suitable for for the purpose of flying ash sintering ceramsite
Harmless treatment.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of the device of rotary incineration of refuse flyash microwave sintering haydite of the present invention；
Fig. 2 is a kind of structural schematic diagram of the device of rotary incineration of refuse flyash microwave sintering haydite of the present invention；
Fig. 3 is the cross section structure schematic diagram of rotary reaction furnace.
Wherein, 1-1 is the first hopper, and 1-2 is the second hopper, and 2 be agitating device, and 3 be molding machine, and 4-1 is the first lock gas
Device, 4-2 are the second flapper, and 4-3 is third flapper, and 5-1 is first charging aperture, and 5-2 is second charging aperture, and 6 be cloth room,
7 be rotary reaction furnace, and 8 be fore-stock, and 9 be driving motor, and 10 be agglomerating chamber, and 11 be microwave heating equipment, and 12 be outer casing, 13
It is tail portion housing for after-poppet, 14,15 be cooling device, and 16 be vibrating screen, and 17 be water cooling plant, and 18 be extracting tower, and 19 are
Active carbon injection apparatus, 20 be bag filter, and 21 be air-introduced machine, and 22 be bottom bevel, and 23 be front head cover, and 24 go out for flue gas
Mouthful, 25 be hydraulic device.
Specific embodiment
Present invention is further described in detail with specific embodiment with reference to the accompanying drawing:
A kind of device of rotary incineration of refuse flyash microwave sintering haydite, including the first hopper, the second hopper, stirring dress
It sets, molding machine, first charging aperture, second charging aperture, rotary reaction furnace, microwave heating equipment, fore-stock, after-poppet, flue gas go out
Mouth, cooling device, vibrating screen, water cooling plant, extracting tower, active carbon injection apparatus, bag filter and air-introduced machine；Wherein:
First hopper and the second hopper are separately connected agitating device, add medical waste to agitating device by two hoppers
Flying ash and pyrite cinder, and be uniformly mixed using agitating device；
Agitating device connecting machine controls the amounts of particles being added into sintering furnace body and speed using feeding device；
Molding machine connects the first charging aperture on rotary reaction furnace, the setting the in the first charging aperture side of rotary reaction furnace
Two feed inlets, the charging for microwave coupling agent；
The front end of rotary reaction furnace is cloth room, and the middle part for the rotary reaction furnace being connected with cloth room is agglomerating chamber, revolution
The tail end of reacting furnace is connected with tail portion housing and forms cooling chamber, and microwave heating equipment is arranged on the furnace body surface of agglomerating chamber,
In the outside of agglomerating chamber, outer casing is set；
Fore-stock is set below the front end of rotary reaction furnace, after-poppet is set below the rear end of rotary reaction furnace,
Bottom bevel (as shown in Figure 1) is set below fore-stock and after-poppet, makes rotary reaction furnace horizontal by certain inclination angle, so that
Particle in furnace can be along furnace body side roll to the right；Or fore-stock is set below the front end of rotary reaction furnace, it is anti-in revolution
It answers and after-poppet is set below the rear end of furnace, hydraulic device is set in the lower end of fore-stock, the adjustable fore-stock of hydraulic device
Highly (as shown in Figure 2) so that rotary reaction furnace horizontal by certain inclination angle, allow the particle in furnace along furnace body to the right
Side roll；
Cooling device is set in the tail portion housing bottom end of the end of reacting furnace, cooling device connects vibrating screen, tail portion cover
Shell top is connected by pipeline with the top of water cooling plant, and water cooling plant is connected by pipeline with the top of extracting tower, extracting tower
By piping connection bag filter, setting property charcoal injection apparatus, cloth bag on the pipeline that extracting tower is connected with bag filter
Deduster connects air-introduced machine.
Moreover, the first flapper is arranged in the first charging aperture, the second flapper is set in second charging aperture,
In tail portion, third flapper is arranged in the junction of housing and cooling device.
Moreover, front head cover is arranged in the front end in the cloth room, in front end, the junction of head-shield and cloth room is arranged
Sealing ring.
Moreover, the cloth room is steel, agglomerating chamber is aluminium oxide ceramics system, and sealing is arranged in the junction of the two
Circle.
Moreover, sealing ring is arranged in the junction of the tail portion housing and rotary reaction furnace end.
Moreover, sealing ring described above is red copper sealing ring.
Moreover, the outer casing is stainless steel, insulating layer is set, the junction of outer casing and agglomerating chamber is set in outer casing
Graphite annulus is set to be sealed.
Moreover, the microwave heating equipment is magnetron, set-up mode is the lateral edge outside the furnace body of rotary reaction furnace
Longitudinally disposed 6-15 group magnetron, every group of magnetron are circumferentially around being uniformly arranged, and the quantity of every group of magnetron is 4-6
It is a.
Moreover, the radiating mode of the magnetron is water-cooled cooling.
Moreover, the included angle of the bottom bevel and plane is 10 degree, the angle angle of the reacting furnace and plane
Degree is 10 degree.
Moreover, driving motor is arranged by the fore-stock, it is connected with rotary reaction furnace, is mentioned for the rotation of rotary reaction furnace
For power.
Illustrate the operation method using present apparatus sintering ceramsite below by way of specific embodiment
In the present embodiment, main chemical compositions, clinker ignition loss and the dioxin of certain medical refuse burning flyash used
Content (%) see the table below
In the present embodiment, the pyrite cinder used is that raw material production sulfuric acid process is done using troilite or sulfur-bearing tailings
Discharged in a kind of waste residue, main component is Fe3O4、Fe2O3, sulfate, the silicates and oxides of metal etc., this reality
The practical troilite of example is applied purchased from Shandong Xin Haikuangzhuan limited liability company.
Carrying out practically method carries out as steps described below:
Step 1: starting microwave heating equipment starts driving motor to carrying out being heated to set temperature in rotary reaction furnace,
Rotate rotary reaction furnace；
Step 2: adding incineration of refuse flyash in the first hopper, pyrite cinder is added in the second hopper, the two exists
After being mixed evenly in agitating device, it is pressed into fly ash granule through molding machine, fly ash granule passes through the first flapper and first
Feed inlet, into the cloth room of rotary reaction furnace, while the second flapper and second charging aperture are passed through in microwave coupling agent, are entered
In the cloth room of rotary reaction furnace；
Step 3: in the rotation of rotary reaction furnace, fly ash granule is mixed in cloth room with microwave coupling agent, and
Enter in the agglomerating chamber of rotary reaction furnace afterwards, by microwave heating equipment heat-agglomerating at haydite clinker, haydite clinker enters tail portion
Housing, haydite clinker are discharged through third flapper, after, vibrating screen screening cooling through cooler, obtain haydite finished product and repeat
The microwave coupling agent used, this part microwave coupling agent, which can be sent to second charging aperture, to be reused；
Step 4: large quantity of exhaust gas is produced in the sintering process of haydite, exhaust gas sequentially enters water cooling by exhanst gas outlet and fills
It sets, extracting tower, active carbon injection apparatus and bag filter, is emitted into atmosphere after completing the processing of exhaust gas.
Moreover, the mass ratio of the incineration of refuse flyash and pyrite cinder is 10:1.
Moreover, the microwave coupling agent is powdered, including silicon carbide, active carbon, ferroso-ferric oxide etc..
Moreover, the exhaust gas includes dioxin, volatile heavy metal and sour gas etc..
It describes the invention in detail, but content is only the preferred embodiment of the present invention, cannot be recognized above
For for limiting practical range of the invention.Any changes and modifications in accordance with the scope of the present application should all still return
Belong within patent covering scope of the invention.
Claims (8)
1. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite, it is characterised in that: as steps described below into
Row:
Step 1: starting microwave heating equipment starts driving motor, makes back to carrying out being heated to set temperature in rotary reaction furnace
Turn reacting furnace to be rotated；
Step 2: adding incineration of refuse flyash in the first hopper, pyrite cinder is added in the second hopper, the two is stirring
After being mixed evenly in device, it is pressed into fly ash granule through molding machine, fly ash granule is by the first flapper and the first charging
Mouthful, into the cloth room of rotary reaction furnace, while the second flapper and second charging aperture are passed through in microwave coupling agent, into revolution
In the cloth room of reacting furnace；
Step 3: in the rotation of rotary reaction furnace, fly ash granule is mixed in cloth room with microwave coupling agent, and laggard
Enter in the agglomerating chamber of rotary reaction furnace, by microwave heating equipment heat-agglomerating at haydite clinker, haydite clinker enters tail portion housing,
Haydite clinker is discharged through third flapper, after, vibrating screen screening cooling through cooler, obtains haydite finished product and reusable
Microwave coupling agent, this part microwave coupling agent, which can be sent to second charging aperture, to be reused；
Step 4: large quantity of exhaust gas is produced in the sintering process of haydite, exhaust gas sequentially enters water cooling plant by exhanst gas outlet, takes off
Acid tower, active carbon injection apparatus and bag filter, are emitted into atmosphere after completing the processing of exhaust gas；
Implement the operation method use device include the first hopper, the second hopper, agitating device, molding machine, first charging aperture,
Second charging aperture, rotary reaction furnace, microwave heating equipment, fore-stock, after-poppet, exhanst gas outlet, cooling device, vibrating screen,
Water cooling plant, extracting tower, active carbon injection apparatus, bag filter and air-introduced machine, in which:
First hopper and the second hopper are separately connected agitating device, add medical refuse burning to agitating device by two hoppers
Flying dust and pyrite cinder, and be uniformly mixed using agitating device；
Agitating device connecting machine controls the amounts of particles being added into sintering furnace body and speed using feeding device；
Molding machine connect rotary reaction furnace on first charging aperture, rotary reaction furnace first charging aperture side setting second into
Material mouth, the charging for microwave coupling agent；
The front end of rotary reaction furnace is cloth room, and the middle part for the rotary reaction furnace being connected with cloth room is agglomerating chamber, revolution reaction
The tail end of furnace is connected with tail portion housing and forms cooling chamber, and microwave heating equipment is arranged on the furnace body surface of agglomerating chamber, is burning
Outer casing is arranged in the outside for tying room；
Fore-stock is set below the front end of rotary reaction furnace, after-poppet is set below the rear end of rotary reaction furnace, in preceding branch
Bottom bevel is set below frame and after-poppet, makes rotary reaction furnace horizontal by certain inclination angle, so that the particle in furnace can be with
Along furnace body side roll to the right；
Cooling device is set in the tail portion housing bottom end of the end of reacting furnace, cooling device connects vibrating screen, tail portion housing top
End is connected by pipeline with the top of water cooling plant, and water cooling plant is connected by pipeline with the top of extracting tower, and extracting tower passes through
Piping connection bag filter, setting property charcoal injection apparatus, bag-type dust on the pipeline that extracting tower is connected with bag filter
Device connects air-introduced machine.
2. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: the first flapper is set in the first charging aperture, the second flapper is set in second charging aperture, in tail portion housing
Third flapper is set with the junction of cooling device；Front head cover is set in the front end of the cloth room, in front end head-shield
Sealing ring is set with the junction of cloth room；The cloth room is steel, and agglomerating chamber is aluminium oxide ceramics system, in the company of the two
Connect place's setting sealing ring；Sealing ring is arranged in the junction of the tail portion housing and rotary reaction furnace end；Present claims institute
The sealing ring stated is red copper sealing ring.
3. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
Be stainless steel in: the outer casing, insulating layer be set in outer casing, the junction of outer casing and agglomerating chamber be arranged graphite annulus into
Row sealing.
4. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: the microwave heating equipment is magnetron, and set-up mode is the longitudinally disposed 6- on the outside of the furnace body of rotary reaction furnace
15 groups of magnetrons, every group of magnetron are circumferentially around being uniformly arranged, and the quantity of every group of magnetron is 4-6.
5. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: the radiating mode of the magnetron is water-cooled cooling.
Moreover, the included angle of the bottom bevel and plane is 5-15 degree, the included angle of the reacting furnace and plane
For 5-15 degree.
6. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: driving motor is set by the fore-stock, is connected with rotary reaction furnace, provides power for the rotation of rotary reaction furnace.
7. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: the mass ratio of the incineration of refuse flyash and pyrite cinder is 10:1~2:1.
8. a kind of operation method of rotary incineration of refuse flyash microwave sintering haydite as described in claim 1, feature exist
In: the microwave coupling agent is powdered silicon carbide or active carbon or ferroso-ferric oxide.
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| CN201810955747.0A CN108972865B (en) | 2016-08-05 | 2016-08-05 | Operation method of rotary waste incineration fly ash microwave sintered ceramsite |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN111174581A (en) * | 2019-12-24 | 2020-05-19 | 苏州乔发环保科技股份有限公司 | Magnetic wave carbide furnace |
| CN111526622A (en) * | 2019-02-01 | 2020-08-11 | 株洲弗拉德科技有限公司 | Horizontal continuous microwave heating furnace and heating method special for powder |
| KR102475608B1 (en) * | 2022-07-13 | 2022-12-08 | 주식회사 삼보광업 | Microwave shaft kiln |
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| CN106964637B (en) * | 2017-05-12 | 2019-05-10 | 中南大学 | A kind of garbage flying ash and metallurgical dust recycling cleaning treatment technique |
| CN108530031B (en) * | 2018-05-03 | 2023-08-01 | 天津城建大学 | Device and method for firing porous ceramic by using waste incineration fly ash |
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Also Published As
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| CN108972865B (en) | 2019-12-20 |
| CN106466881A (en) | 2017-03-01 |
| CN106466881B (en) | 2019-02-12 |
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