CN105777075A - Solid waste resource utilization method - Google Patents
Solid waste resource utilization method Download PDFInfo
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- CN105777075A CN105777075A CN201610113213.4A CN201610113213A CN105777075A CN 105777075 A CN105777075 A CN 105777075A CN 201610113213 A CN201610113213 A CN 201610113213A CN 105777075 A CN105777075 A CN 105777075A
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- solid waste
- mud
- flyash
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- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/622—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
- C04B35/62204—Forming processes; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products using waste materials or refuse
-
- 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
- C04B35/00—Shaped ceramic products characterised by their composition; Ceramics compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention provides a solid waste resource utilization method.The solid waste resource utilization method comprises the steps that (a) pulverized fuel ash, construction waste powder, sludge and waste incineration fly ash are obtained by weight; (b) an excitation agent is prepared, 5-100 parts by weight of alkali metal hydroxide is dissolved in 100 parts by weight of sodium silicate, cooling is performed to reach room temperature, and the excitation agent is obtained; (c) the pulverized fly ash, the construction waste powder and the waste incineration fly ash powder are powerfully mixed and are made uniform; (d) CaO with the weight 1-15% that of the sludge is added to the sludge, and even mixing is performed to remove sludge odor; (e) the products obtained in the steps (c) and (d) are evenly mixed with the excitation agent prepared in the step (b) to form a final mixed material; (f) forming and solidification are performed, a formed body is maintained under certain temperature and humidity conditions for 4-24 hours, and a solidified body is obtained through solidification; (g) drying is performed to obtain a dried solidified body; (h) the dried solidified body is sintered and ceramized to obtain a ceramic body.The solid waste resource utilization method can achieve synergic integrated treatment of urban solid waste including construction waste, urban sludge and waste incineration fly ash.
Description
Technical field
The invention belongs to solid waste Treatment and recovery and utilize field, be specifically related to a kind of solid waste resource recovery Application way.
Background technology
Municipal solid wastes includes: building waste, mud, incineration of refuse flyash；
Three kinds of solid waste all have a respective processing method:
1. building waste
Building waste refers to that people are being engaged in removal, dregs, waste and old concrete, waste and old masonry and the general designation of other discarded objects building, fit up, produce in the production activity of the building industry such as repairerment.Classifying by generation source, building waste can be divided into engineering dregs, decoration garbage, removal rubbish, engineering slurry etc.；Classify by constituent, building waste can be divided into dregs, concrete block, crushed stone, brick and tile fragment, waste mortar, mud, asphalt blocks, waste plastics, old metal, useless bamboo wood etc..
Urban building waste processes different with actual environment according to various places policy, is broadly divided into two kinds: focus on and dispersion processes.Building waste classified use mainly has following several:
1. building waste is through crushing, sort into coarse-fine aggregate, substitutes natural aggregate and comes concrete batching, road basement material and building brick.
2. sorted Hou Song non-ferrous metals smelting works or steel plant's freshening such as steel casement door window, steel scrap muscle, iron nail, cast iron pipe, black and white iron sheet.
3. the brick and tile that give up can be reused through cleaning.Useless ceramic tile, ceramic sanitary appliance are through cracking and sorting, dispensing compressing production pervious floor tile or sintering floor tile.
4. cullet screening Hou Song devitrified glass factory or glass factory do raw material and produce glass or production devitrified glass.
5. wood roof truss, the repeatable utilization of Wood-door window or processed recycling, or be used for manufacturing medium density fibre board (MDF).
Wherein metal is less with amount of wood, processes utilization the most relatively simple, and other several amounts are bigger, processes utilization more difficult, and process equipment is more, needs the main equipments such as broken, sieve classification.After process, recycling makes regeneration concrete, regenerative building block, regeneration brick and other road surface product primarily as aggregate, filler.
2. mud
Mud is by solids of sedimentation material produced by water and sewage disposal process.Document 1 describes existing municipal sludge treatment technology mainly sanitary landfill method, anaerobic digestion, wet oxidation process, anhydration and incineration, Pai Hai, agricultural and other technological means.In processing procedure, yet suffer from problem and the risks such as foul smell, heavy metal and leachate contamination, flammable gas explosion, investment is big, operating cost is high.Need to strengthen urban sludge efficiently high-rate composting, mud manufactures composite organic-inorganic fertilizer, mud manufactures key technology and the research and development of equipment such as construction material, sludge heat energy utilization, advances the development that China's urban sludge efficiently utilizes.
3. incineration of refuse flyash
Municipal solid wastes incineration power generation is a maximally effective quantitative reduction method of garbage disposal, can produce the flying dust of 3-5% in Refuse Incineration Process, containing the pollutant such as heavy metal and dioxin in flying dust, belongs to hazardous waste.Document 2 provides multiple processing method, including immobilization treatment technology, chemical agent stabilizing surface treatment, wet chemical process, security landfill, baking ceramsite technology, utilizes UASB and EGSB
Device reclaims heavy metal technology etc..
Patent 1-6, gives building waste and jointly utilizes products such as preparation building block, brick, wallboard and preparation method thereof with mud.Although achieving in above-mentioned patent, mud is collaborative with building waste to be processed, but has following deficiency:
(1) mud used by is dried mud, and mud is dried to be needed to consume substantial amounts of heat energy；
(2) binding agent used by is ordinary cement, limited to the heavy metal treatment effect in mud；
(3) adding a large amount of different types of mineral material and chemical materials, process is complicated, high expensive；
Document 1: Yao Liming；Gong Yu；Zhao Mengshi；Senior captain Li；Yao Hongbin；China's municipal sludge treatment technology present situation, Heilungkiang science, the 3rd phase in 2015；
Document 2: Yao Gang, incineration of refuse flyash treatment technology present situation and prospect, print during chemical industry, volume 28, the 7th phase；
Patent 1:CN00112320, drying, gasifying and melting process for the treatment of domestic refuse；
Patent 2:CN200610025612, heavy metal stabilization two-step method for treatment of fly ash from urban domestic refuse burning plant；
Patent 3:CN200610085815, domestic waste, the permanent innocent treatment method of industrial refuse and incineration fly ash；
Patent 4:CN200910200001, flying dust and the method for arsenic-containing waste jointly stabilizing；
Patent 5:CN201110067602, the manufacture method of environmental protection brick；
Patent 6:CN201110089414, Sludge environmental protection block；
Patent 7:CN03155812, a kind of sludge construction garbage light light-weight brick exempt from baking；
Patent 8:CN201110166725, a kind of Light trabs utilizing municipal sludge to manufacture and manufacture method thereof；
Patent 9:CN201110166730, a kind of Light trabs utilizing municipal sludge to manufacture and manufacture method thereof；
Patent 10:CN201210305687, porous sintered heat insulating hollow building block and preparation technology thereof；
Patent 11:CN201310038231, a kind of light-weight brick that can purify water and preparation method thereof；
Patent 12:CN201310092443, the resource utilization method of a kind of fly ash from burning city domestic garbage；
Patent 13:CN201310092564, the processing method of a kind of fly ash from burning city domestic garbage；
Patent 14:CN201310222266, heavy metal and the method for dioxin in a kind of collaborative removal refuse incinerating flyash.
But above patent document is all merely to process a kind of solid waste, so municipal solid wastes at present: building waste, municipal sludge, incineration of refuse flyash processing mode in, also do not have the method that three works in coordination with integrated treatment.
Summary of the invention
For problems of the prior art, the present invention provides a kind of municipal solid wastes: building waste, municipal sludge, incineration of refuse flyash processing mode in, three works in coordination with the method for integrated treatment, i.e. a kind of municipal solid wastes resource utilization method.
For realizing the purpose of the present invention, the invention provides techniques below scheme:
A kind of solid waste resource recovery Application way, step is: a, weigh flyash, building waste powder, mud and incineration of refuse flyash by weight；B, preparation exciting agent, dissolve in the alkali metal hydroxide of 5-100 weight portion in the waterglass of 100 weight portions, be cooled to room temperature, prepare exciting agent；C, flyash, building waste powder and incineration of refuse flyash are carried out strength mix so that it is uniformly；D, mud add the CaO of the 1-15% of mud weight, mixes, remove mud stink；E, the exciting agent that step c and d products therefrom prepare with step b is mixed, form final compound；F, forming and hardening, carry out maintenance 4-24 hour under uniform temperature and damp condition by formed body so that it is solidification obtains firming body；G, drying obtain baking and curing body；H, by baking and curing body sinter ceramic, obtain ceramic body.
Described flyash is more than the two grades flyash that reactivity is good.
Described building waste powder for removing after metal, timber, plastics, remaining inorganic solid waste to crush the granularity worn into be the more weak powder of 200-1000 mesh, reactivity.
Described mud is the mud of water content 70-90% obtained after sanitary sewage disposal.
Described incineration of refuse flyash is that chemical composition is mainly CaO, SiO2、Al2O3、Fe2O3, there is certain reactivity, the flying dust that the garbage incinerating power plant that can react produces with exciting agent.
The ratio of weight and number of flyash, building waste powder, mud and incineration of refuse flyash is: flyash 100 weight portion；Building waste powder 10-200 weight portion；Mud 10-100 weight portion；Incineration of refuse flyash 0.1-1 weight portion；Exciting agent 5-50 weight portion.
In step f forming and hardening, the temperature of solidification is room temperature-100 DEG C, and humidity is 70-90%.
The temperature dried in step g is 105-120 DEG C
In step h, sintering temperature is 800-1300 DEG C, and sintering time is 30-120min.
Molding mode is granulating and forming, compressing, moulding by casting, any one of extruded.
Present invention have an advantage that
1. it is that primary raw material processes three kinds of city solid waste simultaneously with flyash；
2. the ceramic body formed can use as building materials, such as top-grade building building block, wall decorative material, pavior brick etc.；
3. mud is not required to deep dehydration, directly uses, the expensive reduction of Treatment of Sludge；
4. organic toxicant such as dioxin in incineration of refuse flyash is burned off in sintering process, and heavy metal ion therein is cemented in ceramic body, will not be dissolved.
Detailed description of the invention
In order to illustrate in greater detail the present invention, be given and following prepare example.But the scope of the present invention is not limited thereto.
Embodiment 1
A kind of solid waste resource recovery Application way, step is: a, weigh flyash 10kg, building waste powder 5kg, mud 5kg and incineration of refuse flyash 0.05kg by weight；B, preparation exciting agent, dissolve in the alkali metal hydroxide of 1kg in the waterglass of 2kg, be cooled to room temperature, prepare exciting agent；C, flyash, building waste powder and incineration of refuse flyash are carried out strength mix so that it is uniformly；D, mud add the CaO of the 0.5kg of mud weight, mixes, remove mud stink；E, the exciting agent that step c and d products therefrom prepare with step b is mixed, form final compound；F, being molded and solidify, final compound is loaded building block die for molding, formed body carries out maintenance 4-24 hour under room temperature to 100 DEG C and 70-90% damp condition so that it is solidification obtains firming body；G, at a temperature of 105-120 DEG C dry obtain baking and curing body；H, baking and curing body is sintered at a temperature of 800-1300 DEG C 30-120min sinter ceramic, obtain ceramic building building block.
Embodiment 2
A kind of solid waste resource recovery Application way, step is: a, weigh flyash 10kg, building waste powder 8kg, mud 5kg and incineration of refuse flyash 0.08kg by weight；B, preparation exciting agent, dissolve in the alkali metal hydroxide of 0.8kg in the waterglass of 1.5kg, be cooled to room temperature, prepare exciting agent；C, flyash, building waste powder and incineration of refuse flyash are carried out strength mix so that it is uniformly；D, mud add the CaO of the 0.1kg of mud weight, mixes, remove mud stink；E, the exciting agent that step c and d products therefrom prepare with step b is mixed, form final compound；F, being molded and solidify, final compound is loaded pavior brick die for molding, formed body carries out maintenance 4-24 hour under room temperature to 100 DEG C and 70-90% damp condition so that it is solidification obtains firming body；G, at a temperature of 105-120 DEG C dry obtain baking and curing body；H, baking and curing body is sintered at a temperature of 800-1300 DEG C 30-120min sinter ceramic, obtain pottery pavior brick.
Embodiment 3
A kind of solid waste resource recovery Application way, step is: a, weigh flyash 10kg, building waste powder 3kg, mud 8kg and incineration of refuse flyash 0.05kg by weight；B, preparation exciting agent, dissolve in the alkali metal hydroxide of 1.2kg in the waterglass of 2.1kg, be cooled to room temperature, prepare exciting agent；C, flyash, building waste powder and incineration of refuse flyash are carried out strength mix so that it is uniformly；D, mud add the CaO of the 0.3kg of mud weight, mixes, remove mud stink；E, the exciting agent that step c and d products therefrom prepare with step b is mixed, form final compound；F, being molded and solidify, final compound is loaded wall body decoration block die for molding, formed body carries out maintenance 4-24 hour under room temperature to 100 DEG C and 70-90% damp condition so that it is solidification obtains firming body；G, at a temperature of 105-120 DEG C dry obtain baking and curing body；H, baking and curing body is sintered at a temperature of 800-1300 DEG C 30-120min sinter ceramic, obtain ceramic wall body ornamental blocks.
The above; being only the present invention preferably detailed description of the invention, but protection scope of the present invention is not limited thereto, any those of ordinary skill in the art are in the technical scope that the invention discloses; the change that can readily occur in or replacement, all should contain within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with scope of the claims.
Claims (9)
1. a solid waste resource recovery Application way, step is: a, weigh flyash, building waste powder, mud and incineration of refuse flyash by weight；B, preparation exciting agent, dissolve in the alkali metal hydroxide of 5-100 weight portion in the waterglass of 100 weight portions, be cooled to room temperature, prepare exciting agent；C, flyash, building waste powder and incineration of refuse flyash are carried out strength mix so that it is uniformly；D, mud add the CaO of the 1-15% of mud weight, mixes, remove mud stink；E, the exciting agent that step c and d products therefrom prepare with step b is mixed, form final compound；F, forming and hardening, carry out maintenance 4-24 hour under uniform temperature and damp condition by formed body so that it is solidification obtains firming body；G, drying obtain baking and curing body；H, by baking and curing body sinter ceramic, obtain ceramic body.
Solid waste resource recovery Application way the most according to claim 1, described flyash is more than the two grades flyash that reactivity is good.
Solid waste resource recovery Application way the most according to claim 1, described building waste powder for removing after metal, timber, plastics, remaining inorganic solid waste to crush the granularity worn into be the more weak powder of 200-1000 mesh, reactivity.
Solid waste resource recovery Application way the most according to claim 1, described mud is the mud of water content 70-90% obtained after sanitary sewage disposal.
Solid waste resource recovery Application way the most according to claim 1, described incineration of refuse flyash is that chemical composition is mainly CaO, SiO2、Al2O3、Fe2O3, there is certain reactivity, the flying dust that the garbage incinerating power plant that can react produces with exciting agent.
Solid waste resource recovery Application way the most according to claim 1, the ratio of weight and number of flyash, building waste powder, mud and incineration of refuse flyash is: flyash 100 weight portion；Building waste powder 10-200 weight portion；Mud 10-100 weight portion；Incineration of refuse flyash 0.1-1 weight portion；Exciting agent 5-50 weight portion.
Solid waste resource recovery Application way the most according to claim 1, in step f forming and hardening, the temperature of solidification is room temperature-100 DEG C, and humidity is 70-90%.
Solid waste resource recovery Application way the most according to claim 1, the temperature dried in step g is 105-120 DEG C.
Solid waste resource recovery Application way the most according to claim 1, in step h, sintering temperature is 800-1300 DEG C, and sintering time is 30-120min.
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106584643A (en) * | 2016-12-09 | 2017-04-26 | 苏州市世好建材新技术工程有限公司 | Light honeycomb outer wall plate |
| CN107473661A (en) * | 2017-08-31 | 2017-12-15 | 中冶华天工程技术有限公司 | It is a kind of that non-burning brick method is produced as raw material using municipal sludge |
| ES2657076A1 (en) * | 2016-08-29 | 2018-03-01 | Universidad De Salamanca | PROCEDURE FOR THE USE OF MATERIAL OF REJECTION OF THE CONSTRUCTION AND DEMOLITION INDUSTRY (Machine-translation by Google Translate, not legally binding) |
| CN108484119A (en) * | 2018-05-23 | 2018-09-04 | 北京建筑材料科学研究总院有限公司 | Lightweight porous heat insulation material and preparation method thereof |
| CN109437849A (en) * | 2018-12-10 | 2019-03-08 | 上海应用技术大学 | A kind of preparation method with the modified tapestry brick processed of domestic garbage incineration flyash |
| CN110171934A (en) * | 2019-05-17 | 2019-08-27 | 南京晓庄学院 | A kind of incineration of refuse flyash cooperates with regeneration treating method with building waste wood |
| CN110204280A (en) * | 2019-06-18 | 2019-09-06 | 许庆红 | A kind of technique using building waste manufacture hollow brick |
| CN110561591A (en) * | 2019-09-22 | 2019-12-13 | 安徽华梦检测科技有限公司 | resource detection treatment method for soil solid waste |
| CN112055620A (en) * | 2018-04-23 | 2020-12-08 | 萨克萨格雷斯通股份有限公司 | Ceramic stoneware production method and product |
| CN114044630A (en) * | 2021-12-14 | 2022-02-15 | 深圳市华威环保建材有限公司 | Regenerated porous glass ceramic and preparation method and application thereof |
| CN115108766A (en) * | 2022-07-13 | 2022-09-27 | 国发环保新材料(江门)有限公司 | Artificial stone manufactured by using construction waste and fly ash of power plant and process |
| CN115466096A (en) * | 2022-07-25 | 2022-12-13 | 河海大学 | Alkali-activated garbage incineration fly ash light prefabricated insulating brick and preparation method thereof |
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| CN101905961A (en) * | 2009-06-02 | 2010-12-08 | 翁履谦 | Fly ash thermal-insulation sintered material and production technique thereof |
| CN102051943A (en) * | 2009-11-09 | 2011-05-11 | 广东绿由环保科技股份有限公司 | Sintered light environmental-friendly brick produced by using municipal sludge and manufacture method thereof |
| CN105036709A (en) * | 2015-08-05 | 2015-11-11 | 辽宁工业大学 | Preparation method for firing light tourmaline ceramsite through sewage sludge and pulverized fuel ash |
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| CN101905961A (en) * | 2009-06-02 | 2010-12-08 | 翁履谦 | Fly ash thermal-insulation sintered material and production technique thereof |
| CN102051943A (en) * | 2009-11-09 | 2011-05-11 | 广东绿由环保科技股份有限公司 | Sintered light environmental-friendly brick produced by using municipal sludge and manufacture method thereof |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ES2657076A1 (en) * | 2016-08-29 | 2018-03-01 | Universidad De Salamanca | PROCEDURE FOR THE USE OF MATERIAL OF REJECTION OF THE CONSTRUCTION AND DEMOLITION INDUSTRY (Machine-translation by Google Translate, not legally binding) |
| CN106584643A (en) * | 2016-12-09 | 2017-04-26 | 苏州市世好建材新技术工程有限公司 | Light honeycomb outer wall plate |
| CN107473661A (en) * | 2017-08-31 | 2017-12-15 | 中冶华天工程技术有限公司 | It is a kind of that non-burning brick method is produced as raw material using municipal sludge |
| CN112055620A (en) * | 2018-04-23 | 2020-12-08 | 萨克萨格雷斯通股份有限公司 | Ceramic stoneware production method and product |
| CN108484119A (en) * | 2018-05-23 | 2018-09-04 | 北京建筑材料科学研究总院有限公司 | Lightweight porous heat insulation material and preparation method thereof |
| CN109437849A (en) * | 2018-12-10 | 2019-03-08 | 上海应用技术大学 | A kind of preparation method with the modified tapestry brick processed of domestic garbage incineration flyash |
| CN110171934A (en) * | 2019-05-17 | 2019-08-27 | 南京晓庄学院 | A kind of incineration of refuse flyash cooperates with regeneration treating method with building waste wood |
| CN110204280A (en) * | 2019-06-18 | 2019-09-06 | 许庆红 | A kind of technique using building waste manufacture hollow brick |
| CN110561591A (en) * | 2019-09-22 | 2019-12-13 | 安徽华梦检测科技有限公司 | resource detection treatment method for soil solid waste |
| CN114044630A (en) * | 2021-12-14 | 2022-02-15 | 深圳市华威环保建材有限公司 | Regenerated porous glass ceramic and preparation method and application thereof |
| CN114044630B (en) * | 2021-12-14 | 2023-10-20 | 深圳市华威环保建材有限公司 | Regenerated porous glass ceramic and preparation method and application thereof |
| CN115108766A (en) * | 2022-07-13 | 2022-09-27 | 国发环保新材料(江门)有限公司 | Artificial stone manufactured by using construction waste and fly ash of power plant and process |
| CN115466096A (en) * | 2022-07-25 | 2022-12-13 | 河海大学 | Alkali-activated garbage incineration fly ash light prefabricated insulating brick and preparation method thereof |
| CN115466096B (en) * | 2022-07-25 | 2023-03-21 | 河海大学 | Alkali-activated garbage incineration fly ash light prefabricated insulating brick and preparation method thereof |
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