CN101830681B - Sintered light-weight environment-friendly brick produced from electroplating sludge and manufacture method thereof - Google Patents
Sintered light-weight environment-friendly brick produced from electroplating sludge and manufacture method thereof Download PDFInfo
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- CN101830681B CN101830681B CN2010101666280A CN201010166628A CN101830681B CN 101830681 B CN101830681 B CN 101830681B CN 2010101666280 A CN2010101666280 A CN 2010101666280A CN 201010166628 A CN201010166628 A CN 201010166628A CN 101830681 B CN101830681 B CN 101830681B
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- 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
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- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention relates to a sintered light-weight environment-friendly brick produced from electroplating sludge and a manufacture method thereof. The sintered light-weight environment-friendly brick is characterized by being prepared by adopting electroplating sludge, base waste sludge, furnace slag, refuse ash, calcium oxide, calcium sulfate, sodium carbonate, boric acid, ferrous sulfate, magnesium sulfate, Li macromolecular heavy metal trapping agent and water are adopted as raw materials; and the manufacture method comprises the following steps of: mixing and stirring the raw materials in a biaxial mixer to be in a moisture state; extruding into rectangular bars by a vacuum sludge extruder; cutting and forming by a blank cutter; manufacturing light-weight environment-friendly brick blanks of electroplating sludge under the pressure of 20-30 MPa; and conveying the formed and naturally dried light-weight environment-friendly brick blanks into a tunnel kiln to roast and manufacture light-weight environment-friendly brick products. Air laying bricks and pavement bricks in different specifications can also be manufactured by the raw materials of the invention, and the product has the advantages and the effects of light weight, great strength, zero pollution, low cost and good benefits.
Description
Technical field
The present invention relates to a kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge; Specifically it is an electroplating sludge of electroplating source mill with mould; Through the useless silt in dried mud powder after the dehydration and basis is the baked light-weight environmental-friendly bricks of main material production, belongs to the waste treatment field.
The invention still further relates to the method for manufacture of this baked light-weight environmental-friendly bricks.
Background technology
Electroplating sludge is that mould is electroplated source mill; Adopt intelligent oxidation, orthoscopic plating, intelligent copper, nickel, chromium plating, fluid pressure type plating, automobile plated film, intermediate frequency magnetic control film coating, decorate big machinery electroplating devices such as vacuum plating, multifunction ion plated film; At mould plating, stainless steel plating, automobile, car light, sign, coil of strip, electrical equipment, LCD TV, sound equipment, household appliances etc.; The sewage of living quarters discharging in the antiquated sand mud that carries out producing in the production processes such as surface sand-blasting, polishing, tumbling, polishing, scratch brushing, big machinery chemical nickel plating, large-scale stamping machine bearing chemical nickel plating and duraluminum Direct Electroplating and trade effluent and the factory; The solid waste of separating after treatment; Because sandblasting, Solvent degreasing, electrochemical deoiling, electrochemical degreasing etc. are arranged when processing treatment; Therefore, the composition of electroplating sludge and the equal more complicated of originating.It is higher wherein to contain contents of heavy metal elements such as a large amount of cadmiums, mercury, lead, chromium, arsenic, nickel, zinc, copper, prussiate, also contains hazardous and noxious substances such as pathogenic bacteria, parasitic ovum, organic pollutant, belongs to one of dangerous solid waste of national regulation.Along with the development scale of China's industrial production and rapid development of economy, particularly automotive industry and high-speed railway is increasing, the quantity discharged of the sewage in metal plating waste water and employee living quarters is increasing, and the generation of electroplating sludge also increases sharply.The electroplating sludge of a large amount of accumulation not only will take a large amount of soils, and objectionable constituent wherein such as heavy metal; Copper, chromium, arsenic, mercury, cadmium, lead, nickel, zinc etc., pathogenic bacteria, parasitic ovum, organic pollutant and foul smell will become big public hazards that influence urban environmental hygiene.Effective treatment technology is all actively being sought by governments at all levels and relevant department, and China mainly is to adopt burying method to handle, to reduce the pollution to environment to the treatment process of electroplating sludge at present.But, the composition more complicated of electroplating sludge, water ratio is high, and particularly heavy metal content is high, belongs to the dangerous solid waste of high pollution.If unprocessed direct landfill, will contaminated soil and groundwater resource, easy generation of secondary pollution causes serious harm to environment.Long-term landfill need take a large amount of land resources, how properly scientifically electroplating sludge to be carried out treatment and disposal, makes it reach minimizing, stabilization, innoxious and resource utilization.Become one of the big research topic of scientific and technical personnel's extensive concern of China and even whole world environment circle.
Summary of the invention
The object of the invention provides a kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge just for the problem that solves above-mentioned existence; Thereby solved the pollution of electroplating sludge to environment; Also solved the resource recycling of electroplating sludge; And turn waste into wealth, change evil and be benefit, realized that the resource benign cycle of solid waste utilizes.
The present invention also provides the method for manufacture of electroplating sludge baked light-weight environmental-friendly bricks.
The objective of the invention is to realize by following technical proposal;
A kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge, it is processed by the following weight proportion raw material;
30～45 parts of electroplating sludge powders
25～35 parts of the useless body refuse powders in basis
15～25 parts of slag powders
15～25 parts of cinder powders
10～20 parts in quicklime
5～8 parts in calcium sulfate
1.5～2.5 parts in yellow soda ash
1.5～2.5 parts of boric acid
1～2 part in ferrous sulfate
4～8 parts in sal epsom
0.5～0.8 part of Li high molecular heavy metals trapping agent
13～22 parts in water,
Described electroplating sludge powder is that mould is electroplated source mill; Adopt intelligent oxidation, orthoscopic plating, intelligent copper, nickel, chromium plating, fluid pressure type plating, automobile plated film, intermediate frequency magnetic control film coating, decorate big machinery electroplating devices such as vacuum plating, multifunction ion plated film; At mould plating, stainless steel plating, automobile, car light, sign, coil of strip, electrical equipment, LCD TV, sound equipment, household appliances etc.; Carry out the antiquated sand mud and the trade effluent that produce in the production processes such as surface sand-blasting, polishing, tumbling, polishing, scratch brushing, big machinery chemical nickel plating, large-scale stamping machine bearing chemical nickel plating and duraluminum Direct Electroplating, a kind of solid waste of separating after treatment.Through dehydration, deodorizing, sterilization, chelation treatment, drying, after the rolling sorting, process particle diameter again and be powder less than-3mm;
The useless body refuse powder in described basis is the solid waste such as silt stone that the useless body refuse that in the construction process that digs basis and underground parking, produces of Urban House construction project and urban engineering project discharge in construction process; Through sorting, fragmentation, pulverizing, screening, drying, after the rolling sorting, process particle diameter again and be powder less than-2mm;
Described slag powder is the waste residue that discharge various types of briquette boilers burning back, removes through fragmentation, sorting, pulverizing, magnetic separation that to process particle diameter behind the scrap metal be the powder less than-3mm;
Described cinder powder is a domestic refuse through the waste residue of discharging behind the burning electricity generation, removes through sorting, pulverizing, magnetic separation and processes particle diameter behind the scrap metal and be the powder less than-3mm;
A kind of method of manufacture of the baked light-weight environmental-friendly bricks of producing with electroplating sludge, it is undertaken by following step:
(a) 30～45 weight parts (down with) are electroplated stained mud powder, 25～35 parts the useless body refuse powder in basis, 15～25 parts slag powder, 15～25 parts cinder powder, 10～20 parts quicklime, 5～8 parts calcium sulfate, 1.5～2.5 parts yellow soda ash, 1.5～2.5 parts boric acid, 1～2 part ferrous sulfate, 4～8 parts sal epsom, 0.5～0.8 part the agent of Li high molecular heavy metals trapping and 13～22 parts of water and mix and utilize de-airing extruder to be squeezed into rectangular stripe shape after adopting biaxial rneaders to stir to be moist shape; Through the blank cutter excision forming; Under the pressure of 20～30Mpa, make the electroplating sludge light-weight environment-friendly adobe of moulding, carry out seasoning.
(b) again the electroplating sludge light-weight environment-friendly adobe of moulding after seasoning carried out roasting with the tunnel kiln and process electroplating sludge light-weight environment-friendly brick product.
Its powder particle diameter of described quicklime and calcium sulfate is-0.2mm.
The present invention adopts electroplating sludge, the useless body refuse in basis, slag, cinder, is the main raw material of light-weight environment-friendly brick; Utilize quicklime, calcium sulfate as solidifying agent; Utilize slag and cinder internal combustion raw material as the environmental protection brick; Be because slag and cinder itself contain a certain amount of fixed carbon and volatile matter, be generally 20%～30%, its thermal value is 1300～2500KJ/kg; Can burn, promptly save energy is protected environment again.Meet the technical requirements of national energy-saving and emission-reduction, development low-carbon economy.Cause the adobe of electroplating sludge light-weight environment-friendly with chemical feedstockss such as quicklime, calcium sulfate, yellow soda ash, boric acid, the agent of Li high molecular heavy metals trapping are mixed, utilize the tunnel kiln to carry out roasting.Use ferrous sulfate to be reductive agent, sal epsom is the retention agent of ferrous sulfate, and the foul smell in the mud is fully decomposed, and reaches rapid de-odorised purpose.
Described slag powder is the waste residues of various types of coals through discharging after the boiler combustion; Wherein contain a certain amount of fixed carbon and volatile matter; Can be used as the internal combustion raw material of electroplating sludge baked light-weight environmental-friendly bricks, described cinder powder is the waste residue that domestic refuse is discharged behind burning electricity generation; Wherein contain a certain amount of fixed carbon and volatile matter, can be used as the internal combustion raw material of electroplating sludge baked light-weight environmental-friendly bricks;
The method of manufacture of electroplating sludge baked light-weight environmental-friendly bricks of the present invention; Be to adopt the agent of Li high molecular heavy metals trapping that it is carried out chelation treatment the electroplating sludge powder; Make electroplating sludge reach the reinforcement chemical stabilization; High-load heavy metal element is captured, generates the huge legendary turtle compound of cross-linked structure, realized the efficient stableization of electroplating sludge.Mixes with the useless body refuse powder in basis, slag powder, cinder powder, quicklime, calcium sulfate, yellow soda ash, boric acid, ferrous sulfate, sal epsom and water and to utilize de-airing extruder to be squeezed into rectangular stripe shape after adopting the biaxial rneader stirring to be moist shape; Through the blank cutter excision forming; Under the pressure of 20～30Mpa, process the adobe of electroplating sludge light-weight environment-friendly, carry out seasoning after 7 days.Again moulding after sending the tunnel kiln to, the electroplating sludge light-weight environment-friendly adobe electricity consumption bottle car of seasoning is carried out roasting.After roasting, process electroplating sludge baked light-weight environmental-friendly bricks product.Thereby solved the high problem of handling difficulty of electroplating sludge heavy metal content, realized the resource recycling of electroplating sludge, to reduce pollution to physical environment.
Also can be made into the holllow building block and the pavement bricks of different size with raw material of the present invention.
According to the invention of electroplating sludge sintering technology to produce light green tiles, building materials by the State under the relevant quality inspection department inspection, the technical indicators have reached the state building wall material standards.
Building materials research institute building material product quality test center detected result is following through Guangdong Province:
Electroplating sludge light-weight environment-friendly solid brick detects: according to Guangzhou capital construction commission file: (2002) No. 15 literary compositions of fringe building and GB13545-2003 standard.Specification: 240x115x53mm.
A) ultimate compression strength: 10 MV: 14.23Mpa, monolithic minimum value: 11.06Mpa.
B) rupture strength: mean value: 3.5Mpa, monolithic minimum of a value: 3.0Mpa.
C) water-intake rate 18.8%.
D) volume density is: 1532Kg/m3.
E) radioactivity: internal radiation: 0.10, external radiation exposure: 0.53, be superior to national standard.Test basis: GB6566-2001 " the radioactive material nucleic is limited the quantity of "
The test basis of electroplating sludge building-block: GB/T15229-2002; Specification is: 390X190X190mm; Compression strength mean value is: 8.3Mpa; The monolithic minimum of a value is: 7.2Mpa; Dry apparent density is: 1022Kg/m3; Contract with dry rate is: 0.023%, all be better than 5.0 grades standard of national regulation.
Owing to take technique scheme technology of the present invention compared with present technology to have following advantage and effect:
A) electroplating sludge baked light-weight environmental-friendly bricks of the present invention is all sealed the high-content toxic heavy metal of electroplating sludge up for safekeeping in adobe in high-temperature calcination process, has killed all unwanted bacterias through high temperature, has avoided secondary pollution.And brick do not have the peculiar smell hole many, has certain sound insulation, effect of heat insulation etc.; Because the specific density of electroplating sludge, slag, cinder is littler than clay, therefore, each piece light-weight environment-friendly brick is than more than the light 0.7kg of clay solid brick, and it is lighter more than 35% than stone flour cement block to process holllow building block.Therefore can alleviate the deadweight of buildings and the work-ing life of prolongation high-rise building;
b) Production process is simple, no waste emissions, in line with national energy conservation, low-carbon economy and circular economy policy and the State Council Document No. 66 "On vigorously develop energy, land, water, materials, waste utilization, heat , insulation and other new construction wall material "requirement spirit, and less investment, low cost, effective, suitable for all levels of factories;
C) utilize electroplating sludge, slag, cinder brickmaking to substitute traditional solid clay brick, be green, environmental protection, energy-saving building material, development prospect is widely arranged;
D) adopt electroplating sludge cinder and slag as the internal combustion roasting raw material of light-weight environment-friendly brick, can make full use of flammable industrial wastes such as electroplating sludge cinder and slag, save energy reduces cost, and reduces environmental pollution again.Also can accelerate the rate of roasting of tunnel kiln, quicken the turnover of tunnel kiln, improve the quality and the output of finished product.Shorten the body drying cycle, alleviate the apparent density of finished bricks.Reduce thermal conductivity and thermosteresis, improve the heat-insulation and heat-preservation ability; Increase the benefit.
E) solved electroplating sludge, cinder and slag need take a large amount of land resources and cause secondary pollution easily in the landfill process a difficult problem, both protected environment, practiced thrift the soil again, made the resource regeneration rate of electroplating sludge reach 100%.
Embodiment
Embodiment 1
Mould is electroplated source mill; Adopt intelligent oxidation, orthoscopic plating, intelligent copper, nickel, chromium plating, fluid pressure type plating, automobile plated film, intermediate frequency magnetic control film coating, decorate big machinery electroplating devices such as vacuum plating, multifunction ion plated film; At mould plating, stainless steel plating, automobile, car light, sign, coil of strip, electrical equipment, LCD TV, sound equipment, household appliances etc.; Carry out the antiquated sand mud and the trade effluent that produce in the production processes such as surface sand-blasting, polishing, tumbling, polishing, scratch brushing, big machinery chemical nickel plating, large-scale stamping machine bearing chemical nickel plating and duraluminum Direct Electroplating, a kind of solid waste of separating after treatment.Through dehydration, deodorizing, sterilization, chelation treatment, drying, after the rolling sorting, process particle diameter again and be powder less than-3mm;
The solid waste such as silt stone that useless silt that the Urban House construction project is produced in digging the basis and the construction process of underground parking and urban engineering project discharge in construction process; Through sorting, fragmentation, pulverizing, screening, drying, after the rolling sorting, process particle diameter again and be the useless body refuse powder in basis less than-2mm;
With various types of coals waste residue, remove through fragmentation, sorting, pulverizing, magnetic separation that to process particle diameter behind the scrap metal be the slag powder less than-3mm through discharging after the boiler combustion;
The waste residue that domestic refuse is discharged behind burning electricity generation, removing its powder particle diameter behind the scrap metal through sorting, pulverizing, magnetic separation is the cinder powder less than-3mm;
The electroplating sludge powder 30kg, the useless body refuse powder 35kg in basis, slag powder 15kg, cinder powder 25kg, particle diameter that gets above-mentioned preparation is quicklime 10kg, calcium sulfate 5kg, yellow soda ash 1.5kg, boric acid 1.5kg, ferrous sulfate 1kg, sal epsom 4kg, Li high molecular heavy metals intercalating agent 0.5kg and the water 13kg of-0.2mm; Utilize de-airing extruder to be squeezed into rectangular stripe shape after above-mentioned raw materials mix adopted biaxial rneader to stir to be moist shape; Through the blank cutter excision forming; Under the pressure of 28Mpa, process the adobe of electroplating sludge light-weight environment-friendly; Carry out seasoning after 7 days; Again moulding is carried out roasting after the light-weight environment-friendly adobe electricity consumption bottle car of seasoning is sent the tunnel kiln to, after roasting, process electroplating sludge baked light-weight environmental-friendly bricks product.Mean compressive strength is after testing: 14.23Mpa, rupture strength is: 3.5Mpa.Water-intake rate 18.8%, volume density 1532kg/m3, radioactivity: internal radiation 0.10, external radiation exposure 0.53, requirement all is up to state standards.
Embodiment 2
The useless body refuse powder 30kg in electroplating sludge powder 35kg, basis, slag powder 18kg, cinder powder 18kg, the particle diameter of getting embodiment 1 are quicklime 13kg, calcium sulfate 6kg, yellow soda ash 1.8kg, boric acid 1.8kg, ferrous sulfate 1.2kg, sal epsom 5kg, Li high molecular heavy metals trapping agent 0.6kg and the water 15kg of 0.2mm; Utilize de-airing extruder to be squeezed into rectangular stripe shape after above-mentioned raw materials mix adopted biaxial rneader to stir to be moist shape; Through the blank cutter excision forming; Under the pressure of 23Mpa, process the adobe of electroplating sludge light-weight environment-friendly; Carry out seasoning after 7 days; Again moulding is carried out roasting after the electroplating sludge environmental protection adobe of seasoning is sent the tunnel kiln to electromobile, after roasting, process electroplating sludge baked light-weight environmental-friendly bricks product.The average compressive strength testing: 12Mpa, bending strength: 2.9Mpa.
Embodiment 3
Get embodiment 1 electroplating sludge powder 45kg, the useless body refuse powder 25kg in basis, slag powder 25kg, cinder powder 15kg, particle diameter quicklime 20kg, calcium sulfate 8kg, yellow soda ash 2.5kg, boric acid 2.5kg, ferrous sulfate 2kg, sal epsom 8kg, Li high molecular heavy metals trapping agent 0.8kg and water 22kg for-0.2mm; Above-mentioned raw materials mix stirred use the mechanical vibration extrusion molding after being moist shape; Under the pressure of 30Mpa, process the electroplating sludge light-weight hollow building block made; Carry out seasoning after 7 days; Again moulding is carried out roasting after the electroplating sludge light-weight hollow building block made of seasoning is sent the tunnel kiln to electromobile, after roasting, process electroplating sludge light-weight hollow building block made product.Through detecting mean compressive strength be: 8.3Mpa, the monolithic minimum value is: 7.2Mpa, dry apparent density is: 1022kg/m3, contract with dry rate is: 0.023%, all be superior to 5.0 grades standard of national regulation.
Embodiment 4
The useless body refuse powder 30kg in electroplating sludge powder 40kg, basis, slag powder 20kg, cinder powder 21kg, the particle diameter of getting embodiment 1 is the quicklime 15kg of 0.2mm, calcium sulfate 7kg, yellow soda ash 2kg, the ferrous 1.5kg of boric acid 2kg acid, sal epsom 6kg, Li high molecular heavy metals trapping agent 0.7kg and water 18kg; Utilize de-airing extruder to be squeezed into rectangular stripe shape after above-mentioned raw materials mix adopted biaxial rneader to stir to be moist shape; Through the blank cutter excision forming; Under the pressure of 25Mpa, process the adobe of electroplating sludge light-weight environment-friendly; Carry out seasoning after 7 days; Again moulding is carried out roasting after the electroplating sludge environmental protection adobe of seasoning is sent the tunnel kiln to electromobile, after roasting, process electroplating sludge baked light-weight environmental-friendly bricks product.The average compressive strength testing: 13Mpa, bending strength: 3Mpa.
Embodiment 5
The useless body refuse powder 33kg in electroplating sludge powder 38kg, basis, slag powder 22kg, cinder powder 23kg, the particle diameter of getting embodiment 1 is the quicklime 18kg of 0.2mm, calcium sulfate 8kg, yellow soda ash 2.3kg, the ferrous 1.8kg of boric acid 2.3kg acid, sal epsom 7kg, Li high molecular heavy metals trapping agent 0.6kg and water 20kg; Utilize de-airing extruder to be squeezed into rectangular stripe shape after above-mentioned raw materials mix adopted biaxial rneader to stir to be moist shape; Through the blank cutter excision forming; Under the pressure of 28Mpa, process the adobe of electroplating sludge light-weight environment-friendly; Carry out seasoning after 7 days; Again moulding is carried out roasting after the electroplating sludge environmental protection adobe of seasoning is sent the tunnel kiln to electromobile, after roasting, process electroplating sludge baked light-weight environmental-friendly bricks product.The average compressive strength testing: 14Mpa, bending strength: 3.5Mpa.
Claims (4)
1. baked light-weight environmental-friendly bricks of producing with electroplating sludge is characterized in that it is processed by the following weight proportion raw material:
Described electroplating sludge powder is that mould Electroplate Factory adopts automobile plated film, intermediate frequency magnetic control film coating, decorates vacuum plating, multifunction ion filming equipment; To mould plating, stainless steel plating, automobile, car light, sign, coil of strip and household appliances; The sewage of living quarters discharging in trade effluent that produces in antiquated sand mud that carries out producing in surface grinding, polishing, scratch brushing, tumbling, the sandblast processing treatment process and the electroplating process and the factory; Through the electroplating sludge that produces after the WWT, through dehydration, deodorizing, sterilization, chelation treatment, drying, after the rolling sorting, process particle diameter again and be powder less than-3mm;
The useless body refuse powder in described basis is the argillaceous sand stone solid waste that the discarded body refuse that discharges when in construction process, digging basis and underground parking of Urban House construction project and urban engineering project discharge in construction process; Through sorting, fragmentation, pulverizing, screening, drying, after the rolling sorting, process particle diameter again and be powder less than-2mm;
Described slag powder is the waste residue that discharge various types of briquette boilers burning back, removes through fragmentation, sorting, pulverizing, magnetic separation that to process particle diameter behind the scrap metal be the powder less than-3mm;
Described cinder powder is a domestic refuse through the waste residue of discharging behind the burning electricity generation, removes through sorting, pulverizing, magnetic separation and processes particle diameter behind the scrap metal and be the powder less than-3mm.
2. a kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge according to claim 1, the powder particle diameter that it is characterized in that described quicklime and calcium sulfate are the powder less than-0.2mm.
3. the method for manufacture of a kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge according to claim 1 is characterized in that it carries out according to following step:
(a) be raw material with the electroplating sludge powder of 30～45 weight parts, the useless body refuse powder in basis of 25～35 weight parts, the slag powder of 15～25 weight parts, the cinder powder of 15～25 weight parts, the quicklime of 10～20 weight parts, calcium sulfate, 1.5～2.5 weight parts of sodium carbonate, the boric acid of 1.5～2.5 weight parts, the ferrous sulfate of 1～2 weight part, the sal epsom of 4～8 weight parts, the Li high molecular heavy metals trapping agent of 0.5～0.8 weight part and the water of 13～22 weight parts of 5～8 weight parts; Utilize de-airing extruder to be squeezed into rectangular stripe shape after adopting the double-shaft mixing agitator stirring to be moist shape; Through the blank cutter excision forming; Under the pressure of 20～30MPa, make the electroplating sludge light-weight environment-friendly adobe of moulding, carry out seasoning;
(b) again the electroplating sludge light-weight environment-friendly adobe of moulding after seasoning carried out roasting at the tunnel kiln and process electroplating sludge baked light-weight environmental-friendly bricks product.
4. the method for manufacture of a kind of baked light-weight environmental-friendly bricks of producing with electroplating sludge according to claim 3, the powder particle diameter that it is characterized in that described quicklime and calcium sulfate are the powder less than-0.2mm.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102350100B (en) * | 2011-07-01 | 2014-06-04 | 广东东鹏陶瓷股份有限公司 | Method and device for producing polished tiles by recycling polished waste residue |
| CN105175024A (en) * | 2015-10-09 | 2015-12-23 | 景德镇陶瓷学院 | Method for preparing black ceramic glaze from electroplating sludge and product decorated with ceramic black glaze |
| CN105948589B (en) * | 2016-05-16 | 2018-09-18 | 三川德青科技有限公司 | A kind of method of electroplating sludge harmless treatment |
| CN106495511B (en) * | 2016-09-20 | 2018-11-13 | 南京工业大学 | A kind of technique preparing cementitious material using electroplating sludge |
| CN107954659A (en) * | 2017-11-30 | 2018-04-24 | 清远绿由环保科技有限公司 | A kind of foamed light heat-preserving wall produced with electroplating sludge and its manufacture method |
| CN108383485B (en) * | 2018-04-19 | 2021-03-23 | 宁波纯力固废科技有限责任公司 | Non-steamed baking-free brick pressed by electroplating sludge and preparation method thereof |
| CN116253555B (en) * | 2023-05-11 | 2023-07-07 | 天津杰臻环保技术有限公司 | Industrial sludge-based full-solid waste water permeable brick and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1226528A (en) * | 1998-12-21 | 1999-08-25 | 李桓宇 | Lightweight non-sintered bricks made from coal cinders |
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| US8257486B2 (en) * | 2008-03-26 | 2012-09-04 | Council Of Scientific & Industrial Research | Composition for building material and a process for the preparation thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1226528A (en) * | 1998-12-21 | 1999-08-25 | 李桓宇 | Lightweight non-sintered bricks made from coal cinders |
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