CN116329254A - Synergistic treatment process for fly ash and carbonized slag - Google Patents
Synergistic treatment process for fly ash and carbonized slag Download PDFInfo
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- CN116329254A CN116329254A CN202310304159.1A CN202310304159A CN116329254A CN 116329254 A CN116329254 A CN 116329254A CN 202310304159 A CN202310304159 A CN 202310304159A CN 116329254 A CN116329254 A CN 116329254A
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- 239000010881 fly ash Substances 0.000 title claims abstract description 64
- 239000002893 slag Substances 0.000 title claims abstract description 22
- 238000000034 method Methods 0.000 title claims abstract description 18
- 230000002195 synergetic effect Effects 0.000 title claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 90
- 238000010438 heat treatment Methods 0.000 claims abstract description 32
- 238000002156 mixing Methods 0.000 claims abstract description 24
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 23
- 239000000460 chlorine Substances 0.000 claims abstract description 23
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 23
- 239000002002 slurry Substances 0.000 claims abstract description 22
- 238000002844 melting Methods 0.000 claims abstract description 13
- 230000008018 melting Effects 0.000 claims abstract description 13
- 239000002245 particle Substances 0.000 claims abstract description 13
- 239000011521 glass Substances 0.000 claims abstract description 12
- 239000004615 ingredient Substances 0.000 claims abstract description 10
- 239000000843 powder Substances 0.000 claims description 10
- 238000003756 stirring Methods 0.000 claims description 10
- 235000007164 Oryza sativa Nutrition 0.000 claims description 9
- 235000009566 rice Nutrition 0.000 claims description 9
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 5
- 229910052799 carbon Inorganic materials 0.000 claims description 5
- 229910052710 silicon Inorganic materials 0.000 claims description 5
- 239000010703 silicon Substances 0.000 claims description 5
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 240000007594 Oryza sativa Species 0.000 claims 1
- -1 carbonized residues Substances 0.000 claims 1
- 239000010842 industrial wastewater Substances 0.000 abstract description 7
- 239000002994 raw material Substances 0.000 abstract description 7
- 238000001704 evaporation Methods 0.000 abstract description 4
- 230000008020 evaporation Effects 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 241000209094 Oryza Species 0.000 description 8
- 238000005485 electric heating Methods 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 4
- 239000002920 hazardous waste Substances 0.000 description 4
- 239000000203 mixture Substances 0.000 description 4
- 231100000331 toxic Toxicity 0.000 description 4
- 230000002588 toxic effect Effects 0.000 description 4
- 238000002386 leaching Methods 0.000 description 3
- 238000000197 pyrolysis Methods 0.000 description 3
- 238000000926 separation method Methods 0.000 description 3
- 239000007787 solid Substances 0.000 description 3
- 239000002910 solid waste Substances 0.000 description 3
- 210000004127 vitreous body Anatomy 0.000 description 3
- 238000005406 washing Methods 0.000 description 3
- 239000000654 additive Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000446 fuel Substances 0.000 description 2
- 229910001385 heavy metal Inorganic materials 0.000 description 2
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 2
- 238000002955 isolation Methods 0.000 description 2
- 229920005610 lignin Polymers 0.000 description 2
- 235000012239 silicon dioxide Nutrition 0.000 description 2
- 239000000377 silicon dioxide Substances 0.000 description 2
- 231100000820 toxicity test Toxicity 0.000 description 2
- KVGZZAHHUNAVKZ-UHFFFAOYSA-N 1,4-Dioxin Chemical compound O1C=COC=C1 KVGZZAHHUNAVKZ-UHFFFAOYSA-N 0.000 description 1
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 description 1
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 239000004809 Teflon Substances 0.000 description 1
- 229920006362 Teflon® Polymers 0.000 description 1
- FHKPLLOSJHHKNU-INIZCTEOSA-N [(3S)-3-[8-(1-ethyl-5-methylpyrazol-4-yl)-9-methylpurin-6-yl]oxypyrrolidin-1-yl]-(oxan-4-yl)methanone Chemical compound C(C)N1N=CC(=C1C)C=1N(C2=NC=NC(=C2N=1)O[C@@H]1CN(CC1)C(=O)C1CCOCC1)C FHKPLLOSJHHKNU-INIZCTEOSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 230000001476 alcoholic effect Effects 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 229910052791 calcium Inorganic materials 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 235000013339 cereals Nutrition 0.000 description 1
- 238000011278 co-treatment Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 150000002013 dioxins Chemical class 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 238000010128 melt processing Methods 0.000 description 1
- 239000010813 municipal solid waste Substances 0.000 description 1
- 239000013618 particulate matter Substances 0.000 description 1
- 239000002957 persistent organic pollutant Substances 0.000 description 1
- ISWSIDIOOBJBQZ-UHFFFAOYSA-N phenol group Chemical group C1(=CC=CC=C1)O ISWSIDIOOBJBQZ-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000010298 pulverizing process Methods 0.000 description 1
- 238000010791 quenching Methods 0.000 description 1
- 230000000171 quenching effect Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/38—Stirring or kneading
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/30—Destroying solid waste or transforming solid waste into something useful or harmless involving mechanical treatment
- B09B3/35—Shredding, crushing or cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
- B09B3/40—Destroying solid waste or transforming solid waste into something useful or harmless involving thermal treatment, e.g. evaporation
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE
- B09B2101/00—Type of solid waste
- B09B2101/30—Incineration ashes
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Abstract
The application discloses a fly ash and carbide slag cooperative treatment process, which comprises the following steps: s1, uniformly mixing fly ash, carbide slag, water and ingredients to prepare fly ash slurry; s2, heating the fly ash slurry at 102-106 ℃ for 50-60 minutes to obtain an intermediate; s3, crushing the intermediate to obtain particles; and S4, carrying out melting treatment on the particles to obtain the glass body. The method adopts the mode of mixing the solution, so that the raw materials such as the fly ash and the like are fully mixed, the components in the glass body are uniformly distributed, and the water evaporation and the water-soluble chlorine escape are realized by adopting the mode of heating treatment, so that the production of industrial wastewater is reduced.
Description
Technical Field
The application relates to the technical field of fly ash treatment, in particular to a process for cooperatively treating fly ash and carbonized residues.
Background
The fly ash is a substance collected by a flue gas dust removal system after the garbage incineration, contains a large amount of soluble heavy metals, dioxins and the like, belongs to hazardous waste, and is mainly treated by high-temperature stabilization treatment at present, and the method for treating the fly ash at high temperature comprises the following steps: the fly ash after water washing is mixed with additives such as glass powder and the like to obtain a fly ash mixture, then the fly ash mixture is put into an equal melting system, the fly ash mixture is melted, organic pollutants such as dioxin and the like in the fly ash are decomposed at high temperature, and slag is rapidly cooled to form compact and stable glass body, so that leaching of heavy metals is effectively controlled.
The existing fly ash treated at high temperature has the following defects: 1. after the fly ash is subjected to multi-stage water washing, a large amount of industrial wastewater is generated, and the industrial wastewater can be discharged after being treated; 2. the fly ash after washing is mixed with the additive in a solid state, and the mixing is uneven, so that the amount of toxic extract in part of the vitreous body is out of specification, and the amount of toxic extract in part of the vitreous body is far below specification.
Disclosure of Invention
In order to solve at least one of the technical problems, a fly ash treatment process is developed, wherein raw materials are uniformly mixed and less industrial wastewater is generated, and the fly ash and carbonized residues are cooperatively treated.
The application provides a process for cooperatively treating fly ash and carbonized residues, which comprises the following steps:
s1, uniformly mixing fly ash, carbide slag, water and ingredients to prepare fly ash slurry;
s2, heating the fly ash slurry at 102-106 ℃ for 50-60 minutes to obtain an intermediate;
s3, crushing the intermediate to obtain particles;
and S4, carrying out melting treatment on the particles to obtain the glass body.
Through adopting above-mentioned technical scheme, the present solid state mode of mixing has been abandoned to this application, but adopts the mode of solution mixing, can make raw materials such as flying ash more fully mix to the toxic leaches in the messenger vitreous body distributes more evenly, and adopts the mode of heating treatment to make water evaporation and water-soluble chlorine escape, has reduced industrial waste water's production.
Optionally, the ingredients comprise rice hull powder.
By adopting the technical scheme, the rice hull powder is rich in lignin and silicon dioxide, and a large number of hydrophilic groups such as phenolic hydroxyl groups, alcoholic hydroxyl groups and the like exist in the lignin molecular structure, so that the hydrophilicity is increased, and the flow property of the raw materials during mixing can be regulated; silicon is the main element forming the vitreous structure, and silicon dioxide can promote the formation of particulate matter into the vitreous during high temperature melt processing.
Optionally, in the step S1, 45-52 parts of fly ash, 9-12 parts of carbide slag, 12-16 parts of water and 2.2-2.8 parts of ingredients are calculated according to parts by weight.
Optionally, in step S1, the fly ash, the carbonized residues, the water and the ingredients are uniformly mixed by a stirring device, the rotation speed during stirring is 70-85 revolutions per minute, and the stirring time is 25-30 minutes.
Optionally, in step S1, the carbon element in the carbide slag is 35% by mass, the silicon is 22% by mass, and the iron is 18% by mass.
By adopting the technical scheme, the carbonized slag is a residue of organic solid waste after pyrolysis treatment, is also a hazardous waste, is rich in carbon elements, can provide heat when heating the fly ash slurry, so that water and soluble chlorine in the fly ash slurry evaporate faster, can provide heat when melting treatment, thereby reducing the consumption of fuel of a melting furnace, is also rich in silicon, iron and the like, and can be well combined with calcium in the fly ash when melting treatment at high temperature to form vitrified products.
Optionally, the gas discharged during the heating treatment in the step S2 flows into the water tank, and the water flowing out of the water tank can be used as the source of water in the step S1 after chlorine removal.
By adopting the technical scheme, the water in the fly ash slurry is evaporated and the water-soluble chlorine escapes through the heating treatment, the water can absorb the soluble chlorine by contacting with the water, and the evaporated water vapor is condensed into water to be recycled.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the application abandons the existing solid mixing mode, but adopts a solution mixing mode, so that raw materials such as fly ash and the like are fully mixed, so that components in a glass body are distributed uniformly, water evaporation and water-soluble chlorine escape are realized by adopting a heating treatment mode, and the generation of industrial wastewater is reduced.
2. The water in the fly ash slurry is evaporated and the water-soluble chlorine escapes through the heating treatment, the escaping gas flows into the water tank and contacts with the water in the water tank, the water can absorb the soluble chlorine, and the evaporated water vapor is condensed into water for recycling.
Drawings
Fig. 1 is a schematic structural diagram of a hybrid heating device provided in the present application;
FIG. 2 is a process flow diagram of the co-treatment of fly ash and carbonized slag provided herein;
reference numerals illustrate: 1. a tank body; 2. an isolation bucket; 21. a feed opening; 22. an electric control valve I; 3. a mixing chamber; 31. a feed inlet; 32. a water inlet; 33. a stirring device; 4. a heating chamber; 41. an exhaust port; 42. an electric heating tube; 43. a door panel; 5. a water tank; 51. an air inlet pipe; 52. a water outlet; 53. a water outlet pipe; 54. a chlorine removal cartridge; 55. a flow meter; 56. and (3) a water pump.
Detailed Description
The present application is described in further detail below with reference to the drawings and examples.
The application designs a process for cooperatively treating fly ash and carbonized residues, which comprises the following steps:
s1, uniformly mixing fly ash, carbide slag, water and ingredients to prepare fly ash slurry;
s2, heating the fly ash slurry at 102-106 ℃ for 50-60 minutes to obtain an intermediate;
s3, crushing the intermediate to obtain particles;
and S4, carrying out melting treatment on the particles to obtain the glass body.
The method adopts the mode of mixing the solution, so that the raw materials such as the fly ash and the like are fully mixed, the components in the glass body are uniformly distributed, and the water evaporation and the water-soluble chlorine escape are realized by adopting the mode of heating treatment, so that the production of industrial wastewater is reduced. The carbonized slag is a residue obtained after pyrolysis treatment of organic solid waste, is also a hazardous waste, is rich in carbon elements, can provide heat for heating the fly ash slurry, so that water and soluble chlorine in the fly ash slurry are quickly evaporated, and can provide heat for melting treatment, thereby reducing the consumption of fuel of a melting furnace.
In the above technical solution, optionally, the gas discharged during the heating treatment in step S2 flows into the water tank, and the water flowing out of the water tank can be used as the source of water in step S1 after chlorine is removed.
The water in the fly ash slurry is evaporated and the water-soluble chlorine escapes through the heating treatment, the escaping gas flows into the water tank and contacts with the water in the water tank, the water can absorb the soluble chlorine, and the evaporated water vapor can be recycled.
As shown in fig. 1, the present application provides a mixed heating device for collaborative treatment of fly ash and carbonized residues, comprising: tank 1, isolation bucket 2, water tank 5.
The separation hopper 2 is arranged in the tank body 1, the separation hopper 2 divides the inner cavity of the tank body 1 into a mixing chamber 3 and a heating chamber 4, the mixing chamber 3 is positioned above the heating chamber 4, the bottom of the separation hopper 2 is provided with a blanking opening 21, the mixing chamber 3 is communicated with the heating chamber 4 through the blanking opening 21, and the blanking opening 21 is provided with an electric control valve I22; the top of the mixing chamber 3 is provided with a feed inlet 31 and a water inlet 32, and a stirring device 33 is arranged in the mixing chamber 3; an electric heating tube 42 is arranged in the heating chamber 4, the electric heating tube 42 is a Teflon electric heating tube, a temperature sensor is arranged in the heating chamber 4 so as to monitor the heating temperature in the heating chamber 4, an exhaust port 41 is arranged on the side wall of the upper part of the heating chamber 4, and a door plate 43 is arranged on the side wall of the lower part of the heating chamber 4.
Tap water is stored in the water tank 5, an air inlet pipe 51 is arranged on the side wall of the lower portion of the water tank 5, the air inlet pipe 51 is arranged in an upward inclined mode, the air inlet pipe 51 is located below the air outlet 41, the air outlet 41 is connected with the air inlet pipe 51 through a downward inclined pipeline, the air inlet end of the air inlet pipe 51 is located above the water surface in the water tank 5, the air outlet end of the air inlet pipe 51 is located below the water surface in the water tank 5, a water outlet 52 is arranged at the bottom of the water tank 5, an electric control valve II is arranged on the water outlet 52, a water outlet pipe 53 is arranged at the water outlet end of the water outlet 52, a chlorine removal filter element 54, a flowmeter 55 and a water pump 56 are arranged on the water outlet 53, the chlorine removal filter element 54 is located between the water pump 56 and the water outlet 52 and used for intercepting chlorine in water, the flowmeter 55 is located between the water pump 56 and the water inlet 32, and the water outlet end of the water outlet pipe 53 is connected with the water inlet 32.
On the other hand, the application also provides a method for carrying out cooperative treatment on fly ash and carbonized residues by adopting the mixed heating device, which comprises the following steps:
s1, uniformly mixing the raw materials in the following table 1 in a mixing chamber 3 to prepare fly ash slurry
TABLE 1
Fly ash | Carbide slag | Water and its preparation method | Rice hull powder | |
Example 1 | 50kg | 10kg | 15L | 2.5kg |
Example 2 | 45kg | 9kg | 12L | 2.2kg |
Example 3 | 52kg | 12kg | 16L | 2.8kg |
Example 4 | 48kg | 10.5kg | 14.5L | 2.6kg |
The carbide slag is a residue obtained after pyrolysis treatment of organic solid waste, wherein the mass percentage of carbon elements is 35%, the mass percentage of silicon is 22%, the mass percentage of iron is 18%, and the average grain diameter of the carbide slag is 8mm; the rice hull powder is dust-removing rice hull powder (screen bran) 2 of Beijing Hua Jie Ji Tai commercial Co.
Fly ash, carbide slag and rice hull powder enter the mixing chamber 3 from the feed inlet 31; the water is sourced from the water stored in the water tank 5, the chlorine removal cartridge can retain chlorine in the water, when the flowmeter 55 detects that the amount of water flowing into the mixing chamber 3 reaches the proportioning amount, the water pump 56 stops working, the second electric control valve is in a closed state, and then the stirring device 33 operates under the conditions shown in the following table 2, so that the fly ash, the carbide slag, the rice hull powder and the water are uniformly mixed, and the fly ash slurry is prepared.
TABLE 2
Rotating speed (rpm) | Duration of rotation (minutes) | |
Example 1 | 70 | 30 |
Example 2 | 80 | 26 |
Example 3 | 75 | 28 |
Example 4 | 85 | 25 |
S2, heating the fly ash slurry prepared in the step S1 to prepare an intermediate
When the fly ash, the carbonized slag, the rice hull powder and the water are uniformly mixed, the stirring device 33 stops running, the first electric control valve 22 is in an open state, the fly ash slurry in the mixing chamber 3 falls into the heating chamber 4 through the discharging opening 21, then the first electric control valve 22 is in a closed state, the electric heating tube 42 is electrified to generate heat, so that the temperature in the mixing chamber 3 reaches the temperature shown in the table 3, and the obtained temperature is kept for a period of time shown in the table 3, so that the fly ash slurry is heated, the moisture in the fly ash slurry evaporates and the soluble chlorine escapes, an intermediate is obtained, the gas escaping from the fly ash slurry enters the water tank 5 through the air outlet 41 and the air inlet tube 51 and contacts with the water, the water can absorb the soluble chlorine, and the evaporated water vapor is condensed into water to be recycled.
TABLE 3 Table 3
Temperature (. Degree. C.) | The duration (minutes) of the temperature hold | |
Example 1 | 105 | 60 |
Example 2 | 102 | 65 |
Example 3 | 106 | 50 |
Example 4 | 104 | 55 |
S3, crushing the intermediate prepared in the step S2 to prepare particles
The door panel 43 was opened, and the intermediate in the heating chamber 4 was taken out and subjected to pulverization treatment to obtain particles, the average particle diameters of which are shown in table 4.
TABLE 4 Table 4
Average particle diameter (mm) | |
Example 1 | 6 |
Example 2 | 8 |
Example 3 | 5 |
Example 4 | 10 |
And S4, melting and water quenching the particles obtained in the step S3 to obtain a glass body, wherein the melting temperature is shown in table 5.
TABLE 5
Melting temperature (. Degree. C.) | |
Example 1 | 1350 |
Example 2 | 1400 |
Example 3 | 1300 |
Example 4 | 1250 |
Experimental detection
The glass bodies obtained in examples 1 to 4 were subjected to acid leaching toxicity test according to GB5085.3-2007 hazardous waste identification Standard leaching toxicity test, and the test results are shown in Table 6 below.
TABLE 6
As is clear from the results of the examination in Table 6, the amount of toxic extract in the glass body obtained in the present application was lower than the standard value.
The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.
Claims (6)
1. The process for cooperatively treating the fly ash and the carbonized slag is characterized by comprising the following steps of:
s1, uniformly mixing fly ash, carbide slag, water and ingredients to prepare fly ash slurry;
s2, heating the fly ash slurry at 102-106 ℃ for 50-60 minutes to obtain an intermediate;
s3, crushing the intermediate to obtain particles;
and S4, carrying out melting treatment on the particles to obtain the glass body.
2. The process according to claim 1, wherein in step S1, the ingredients comprise rice hull powder.
3. The process for the synergistic treatment of fly ash and carbonized residues according to claim 1, wherein in the step S1, 45-52 parts of fly ash, 9-12 parts of carbonized residues, 12-16 parts of water and 2.2-2.8 parts of ingredients are calculated according to parts by weight.
4. The process for the collaborative treatment of fly ash and carbonized residues according to claim 1, wherein in the step S1, the fly ash, carbonized residues, water and ingredients are uniformly mixed by a stirring device, the stirring speed is 70-85 rpm, and the stirring time is 25-30 minutes.
5. The process for the synergistic treatment of fly ash and carbonized slag according to claim 1, wherein in step S1, the mass percentage of carbon element in the carbonized slag is 35%, the mass percentage of silicon is 22% and the mass percentage of iron is 18%.
6. The process according to claim 1, wherein the gas discharged during the heating treatment in step S2 flows into the water tank, and the water flowing out of the water tank is used as a source of water in step S1 after chlorine removal.
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JPH09314088A (en) * | 1996-05-28 | 1997-12-09 | Mitsubishi Heavy Ind Ltd | Treatment of fly ash |
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CN113926829A (en) * | 2020-07-10 | 2022-01-14 | 清华大学 | Carbon-containing fly ash high-temperature melting treatment system |
CN114383142A (en) * | 2021-12-24 | 2022-04-22 | 南京万德斯环保科技股份有限公司 | Fusion method and system based on co-treatment of fly ash and leachate of waste incineration plant |
CN115385577A (en) * | 2022-10-11 | 2022-11-25 | 张锦彬 | Fly ash thermal insulation cotton and preparation method thereof |
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2023
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JPH09314088A (en) * | 1996-05-28 | 1997-12-09 | Mitsubishi Heavy Ind Ltd | Treatment of fly ash |
CN106903130A (en) * | 2017-03-03 | 2017-06-30 | 东南大学 | A kind of method of the middle firm incineration of refuse flyash heavy metal of warm treatment |
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CN113926829A (en) * | 2020-07-10 | 2022-01-14 | 清华大学 | Carbon-containing fly ash high-temperature melting treatment system |
CN112906218A (en) * | 2021-02-07 | 2021-06-04 | 浙江和惠生态环境科技有限公司 | Compatibility method, control system, equipment and storage medium for high-temperature melting treatment of fly ash |
CN114383142A (en) * | 2021-12-24 | 2022-04-22 | 南京万德斯环保科技股份有限公司 | Fusion method and system based on co-treatment of fly ash and leachate of waste incineration plant |
CN115385577A (en) * | 2022-10-11 | 2022-11-25 | 张锦彬 | Fly ash thermal insulation cotton and preparation method thereof |
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