CN101767978B - Manganese slag-solid waste mixed sintering brick making method - Google Patents
Manganese slag-solid waste mixed sintering brick making method Download PDFInfo
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- CN101767978B CN101767978B CN2010103005418A CN201010300541A CN101767978B CN 101767978 B CN101767978 B CN 101767978B CN 2010103005418 A CN2010103005418 A CN 2010103005418A CN 201010300541 A CN201010300541 A CN 201010300541A CN 101767978 B CN101767978 B CN 101767978B
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- solid waste
- manganese slag
- slag
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- sintering brick
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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
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
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Abstract
The invention discloses a manganese slag-solid waste mixed sintering brick making method, which includes that manganese slag, shale and fly ash which are dried to have constant weight are mixed and ground together or are respectively ground and then mixed in certain ratio, and are sieved according to a certain gradation requirement to obtain preparation materials of solid waste mixed sintering brick, then a certain amount of sodium humate stabilizer is added and uniformly stirred with clear water and is aged for a period of time, then is produced to be samples by an extruder, at last the finished products of solid waste mixed sintering bricks are obtained by the heat treatment processes of drying, roasting, cooling and the like. The invention uses electrolytic manganese dioxide slag as the main material, adopts the shale to replace clay as supplementary raw material, and adds the fly ash to adjust the components on the basis, the manganese slag-solid waste sintering brick is prepared through the processes of proportioning, preprocessing, patternmaking, drying, roasting and cooling, and the utilization of a large amount of solid waste resource is realized.
Description
Technical field
The present invention relates to Resource Recovery of Industrial Solid Waste and utilize technical field, particularly relate to a kind of technology of utilizing solid waste mixed sintering brickmaking such as filter wash slag (hereafter " manganese slag ") and shale in the electrolytic manganese dioxide production process and flyash.
Background technology
Since the reform and opening-up, along with the sustainable development of national economy and science and technology, town and country construction, development of real estate are like a raging fire, and the production and the application of various material of construction increase considerably.For many years, the leading materials for wall of China's building trade is a solid clay brick always, follows for a long time that traditional mode of production technology falls behind, is simply equipped, product is single, ruins the field, contaminate environment, production coal consumption remain high.On the other hand, nearly more than 70 hundred million tons of China's industrial residues of piling up over the years, more than 100 ten thousand mu of land occupations pollute very serious.Require materials for wall to develop in the China's Agenda 21 development strategy to energy-conservation, joint soil, sharp useless direction
At present the domestic solid waste that is used for brickmaking mainly is the bed mud that produces of coal gangue, flyash, Industrial Wastewater Treatment process and all kinds of mine tailing (as gypsum mine, pyrite slag, copper mine tailing, tailings of high silicon iron, asbestos tailings) etc., and preparation technology is divided into high temperature sintering and steam press maintenance two big classes.Though these technologies of producing materials for walls have all obtained bigger progress and in the building trade widespread use, but utilize manganese slag brickmaking complex manufacturing, difficulty big, carry out its production technology of grasp and quality product needs suitable technical force and production experience comprehensively, at present the domestic precedent of also not utilizing manganese slag slag-solid waste mixed sintering brick making
Summary of the invention
Technical problem to be solved by this invention provides that a kind of production technique is simple, the method for the manganese slag slag-solid waste mixed sintering brick making of energy efficient.
In order to solve the problems of the technologies described above, the method of manganese slag slag-solid waste mixed sintering brick making provided by the invention, the manganese slag of constant weight will be dried to, shale, remix after flyash is mixed together grinding according to a certain ratio or distinguishes grinding, and obtain the preparation raw material of solid waste mixed sintering brick after sieving by certain grating requirement, adding a certain amount of Sodium salts humic acids stablizer and clear water then stirs also ageing for some time, make the sample piece through forcing machine again, last drying, roasting, heat treatment steps such as cooling obtain solid waste mixed sintering brick finished product, at first will be through 95-125 ℃ of 20-70wt% manganese slag that is dried to constant weight, 27-73wt% shale and 3-7wt% flyash, together grinding or respectively grinding to feed particles maximum particle diameter be no more than 2.5mm, what 2mm was following accounts for more than 95%, what 1mm was following accounts for more than 90%, 0.5mm the following grating that accounts for more than 70% requires to obtain the preparation raw material of solid waste mixed sintering brick through mixing again; Be incorporated as then raw materials quality 3-5% the Sodium salts humic acids stablizer and be the clear water of raw materials quality 25-35%, stirring is placed on indoor ageing 1-3d; Put into forcing machine then and make the sample piece, again in 120-140 ℃ of dry 8-24h or adopt outdoor natural air drying 6-8 d; Speed with 40-60 ℃/h is warming up to 950-1050 ℃ of calcining 2-6h at last, through with the thorax cooling, makes manganese slag solid waste mixed sintering brick sample again.
The sample piece of making through forcing machine is of a size of 240mm * 115mm * 53mm.
Described forcing machine is a vacuum-extruder.
Adopt the method for the manganese slag slag-solid waste mixed sintering brick making of technique scheme, an amount of interpolation of flyash has replenished SiO
2With Fe
2O
3, the solidification effect that helps improving the performance of fragment of brick and strengthen its counterweight manganese metal, in addition in the flyash a spot of unburn matter also help improve sintering effect, shorten sintering time, energy efficient; The sintering temperature of this method reduces along with the increase of manganese slag incorporation, reduces particularly evidently when manganese slag incorporation surpasses 30% back, hangs down 50-150 ℃ than the sintering temperature of clay brick.
The present invention is a main raw material with the electrolytic manganese dioxide slag, with the shale instead of clay as auxiliary material, and add flyash on this basis and adjust component, prepare the useless admittedly vitrified brick of manganese slag by batching pre-treatment molding drying and roasting process for cooling, realized " large " useless admittedly recycling.Present method in " large " recycling manganese slag and shale, a certain amount of flyash of having taken into account " digestion ".By the control preparation condition, the curing of heavy metal manganese and the reduction of brickmaking sintering temperature have been realized simultaneously; By preprocessing means such as interpolation stablizers, solved the deformation problems of fragment of brick in sintering procedure.Prepared vitrified brick performance meets " GB5101-2003 fired common brick " requirement, " radioactive material nucleic the limit the quantity of GB6566-2001 " requirement of limiting the quantity of and meet of radioactive rays inspections element, corrodibility and leaching oxicity analysis meet " discriminating of GB5085.1-2007 Hazardous wastes judging standard corrodibility " and " the Hazardous wastes judging standard leaches toxicity and differentiates GB 5085.3-2007 " requirement, and the radiation radon of indoor storage meets the requirement of " GB/T18883-2002 IAQ (indoor air quality) standard ".The present invention has filled up domestic and has utilized the manganese slag and the technological gap of the brickmaking of giving up admittedly.
Composition (in the main oxides) tabulation of the used useless raw material admittedly of additional copy invention:
Table 1 manganese slag main component
| Composition | Loss on ignition | ?SiO 2 | ?Al 2O 3 | ?Fe 2O 3 | CaO | MgO | MnO | SO 3 |
| Wt％ | ?14.65 | ?20.67 | ?4.77 | ?8.43 | 12.04 | 2.51 | 6.837 | 29.50 |
Table 2 shale main component
| Composition | Loss on ignition | ?SiO 2 | ?Al 2O 3 | ?Fe 2O 3 | CaO | MgO | K 2O | SO 3 |
| Wt％ | ?7.81 | ?60.60 | ?14.36 | ?4.72 | 5.6 | 2.00 | 2.41 | 1.85 |
Table 3 flyash main component
| Composition | Loss on ignition | ?SiO 2 | ?Al 2O 3 | ?Fe 2O 3 | CaO | MgO | K 2O | SO 3 |
| Wt％ | ?4.22 | ?54.69 | ?29.47 | ?6.86 | 1.29 | 0.82 | 1.45 | 0.89 |
Embodiment
The invention will be further described below in conjunction with embodiment.
Embodiment 1:
With a certain amount of manganese slag, shale and flyash are dried to constant weight under 95 ℃ of conditions, by quality than manganese slag: shale: flyash=(the feed particles maximum particle diameter is no more than 2.5mm to 20: 73: 7 grindings that are mixed to the grating requirement, what 2mm was following accounts for more than 95%, what 1mm was following accounts for more than 90%, 0.5mm following accounts for more than 70%), undersize material is raw material, adding a certain amount of Sodium salts humic acids stablizer (account for raw materials quality 3%) and clear water (account for raw materials quality 25%) then stirs evenly, indoor ageing 3d, make the sample piece that specification is 240mm * 115mm * 53mm through vacuum-extruder, (or place outdoor natural air drying 6d in 120 ℃ of dry 24h again, put into tunnel furnace at last and be warming up to 1050 ℃ with the speed of 60 ℃/h, behind the insulation 2h,, promptly make manganese slag solid waste mixed sintering brick with the kiln cooling.
Embodiment 2:
With a certain amount of manganese slag, shale and flyash are dried to constant weight under 110 ℃ of conditions, (the feed particles maximum particle diameter is no more than 2.5mm to the grating requirement to distinguish grinding then, what 2mm was following accounts for more than 95%, what 1mm was following accounts for more than 90%, 0.5mm following accounts for more than 70%), the extracting screen underflow material by quality than manganese slag: shale: flyash=40: 50: 5 is mixed into raw material, adding a certain amount of Sodium salts humic acids stablizer (account for raw materials quality 4%) and clear water (account for raw materials quality 30%) then stirs evenly, indoor ageing 2d, make the sample piece that specification is 240mm * 115mm * 53mm through vacuum-extruder, (or place outdoor natural air drying 7d in 130 ℃ of dry 16h again, put into tunnel furnace at last and be warming up to 1000 ℃ with the speed of 50 ℃/h, behind the insulation 4h,, promptly make manganese slag solid waste mixed sintering brick with the kiln cooling.
Embodiment 3:
With a certain amount of manganese slag, shale and flyash are dried to constant weight under 125 ℃ of conditions, (the feed particles maximum particle diameter is no more than 2.5mm to the grating requirement to distinguish grinding then, what 2mm was following accounts for more than 95%, what 1mm was following accounts for more than 90%, 0.5mm following accounts for more than 70%), the extracting screen underflow material by quality than manganese slag: shale: flyash=70: 27: 3 is mixed into raw material, adding a certain amount of Sodium salts humic acids stablizer (account for raw materials quality 5%) and clear water (account for raw materials quality 35%) then stirs evenly, behind the indoor ageing 1d, make the sample piece that specification is 240mm * 115mm * 53mm through vacuum-extruder, (or place outdoor natural air drying 8d in 140 ℃ of dry 8h again, put into tunnel furnace at last and be warming up to 950 ℃ with the speed of 40 ℃/h, behind the insulation 6h,, promptly make manganese slag-solid waste mixed sintering brick with the kiln cooling.
Claims (3)
1. the method for a manganese slag-slag-solid waste mixed sintering brick making, the manganese slag of constant weight will be dried to, shale, remix after flyash is mixed together grinding according to a certain ratio or distinguishes grinding, and obtain the preparation raw material of solid waste mixed sintering brick after sieving by certain grating requirement, adding a certain amount of Sodium salts humic acids stablizer and clear water then stirs also ageing for some time, make the sample piece through forcing machine again, last drying, roasting, the cooling heat treatment process obtains solid waste mixed sintering brick finished product, it is characterized in that: at first will be through 95-125 ℃ of 20-70wt% manganese slag that is dried to constant weight, 27-73wt% shale and 3-7wt% flyash, together grinding or respectively grinding to feed particles maximum particle diameter be no more than 2.5mm, what 2mm was following accounts for more than 95%, what 1mm was following accounts for more than 90%, 0.5mm the following grating that accounts for more than 70% requires to obtain the preparation raw material of solid waste mixed sintering brick through mixing again; Be incorporated as then raw materials quality 3-5% the Sodium salts humic acids stablizer and be the clear water of raw materials quality 25-35%, stirring is placed on indoor ageing 1-3d; Put into forcing machine then and make the sample piece, again in 120-140 ℃ of dry 8-24h or adopt outdoor natural air drying 6-8d; Speed with 40-60 ℃/h is warming up to 950-1050 ℃ of calcining 2-6h at last, through with the thorax cooling, makes manganese slag solid waste mixed sintering brick sample again.
2. the method for manganese slag-slag-solid waste mixed sintering brick making according to claim 1 is characterized in that: the sample piece of making through forcing machine is of a size of 240mm * 115mm * 53mm.
3. the method for manganese slag-slag-solid waste mixed sintering brick making according to claim 1 and 2 is characterized in that: described forcing machine is a vacuum-extruder.
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| CN101767978B true CN101767978B (en) | 2011-10-05 |
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Families Citing this family (15)
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| CN102731040B (en) * | 2012-06-15 | 2013-11-06 | 徐庆旭 | Method for preparing building block brick series products by using waste electrolytic manganese slag |
| CN103086699B (en) * | 2013-01-24 | 2014-06-25 | 湖南科技大学 | Regenerative ceramic tile and producing method thereof |
| CN103553572A (en) * | 2013-10-17 | 2014-02-05 | 桂林翔云锰业有限责任公司 | Electrolytic manganese waste slag sintered building brick and preparation method thereof |
| CN103771816A (en) * | 2014-01-14 | 2014-05-07 | 安徽盛仁新型建材有限公司 | Modified manganese ore slag air-entrapping brick and manufacturing method thereof |
| CN104211369A (en) * | 2014-08-15 | 2014-12-17 | 五河鼎顺新型建材有限公司 | Environmentally-friendly hollow brick and preparation method thereof |
| CN104725026A (en) * | 2015-03-18 | 2015-06-24 | 张塘柏 | Method for preparing square pavement decorative brick sintered by manganese residue solid waste |
| CN106396635A (en) * | 2016-09-14 | 2017-02-15 | 铜仁学院 | Sludge sintered bricks, and preparation method thereof |
| CN106396636A (en) * | 2016-09-14 | 2017-02-15 | 铜仁学院 | Electrolytic manganese residue lightweight sintered brick and preparation method thereof |
| CN106542807A (en) * | 2016-11-02 | 2017-03-29 | 铜仁学院 | A kind of method that utilization electrolytic manganese residues and shale prepare foamed ceramic |
| CN107235707A (en) * | 2017-06-29 | 2017-10-10 | 铜仁学院 | A kind of silt sintering brick and preparation method thereof |
| CN111320489A (en) * | 2020-03-04 | 2020-06-23 | 中南大学 | Solid waste based high-strength foamed ceramic and preparation method thereof |
| CN111732414A (en) * | 2020-07-14 | 2020-10-02 | 铜仁学院 | Electrolytic manganese slag ceramic, preparation method thereof and ceramic tile |
| CN114507062B (en) * | 2022-03-18 | 2023-03-14 | 广西建筑材料科学研究设计院有限公司 | Sintered product of electrolytic manganese slag and shale and production method thereof |
| CN115028434A (en) * | 2022-06-07 | 2022-09-09 | 中化地质矿山总局地质研究院 | Electrolytic manganese slag sintered brick and preparation method thereof |
| CN115093200B (en) * | 2022-06-07 | 2023-09-29 | 中化地质矿山总局地质研究院 | Reinforced electrolytic manganese slag sintered brick and preparation method thereof |
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| CN101007716A (en) * | 2006-11-24 | 2007-08-01 | 李永泉 | High-intensity little clinker manganese slag bake-free brick formula |
| CN101543829A (en) * | 2009-05-05 | 2009-09-30 | 湖北声荣环保节能科技有限公司 | Comprehensive utilization method for recycling manganous carbonate slag |
| CN101570037A (en) * | 2009-06-01 | 2009-11-04 | 中国环境科学研究院 | Method for preparing construction material by utilizing electrolytic manganese slag |
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Patent Citations (3)
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|---|---|---|---|---|
| CN101007716A (en) * | 2006-11-24 | 2007-08-01 | 李永泉 | High-intensity little clinker manganese slag bake-free brick formula |
| CN101543829A (en) * | 2009-05-05 | 2009-09-30 | 湖北声荣环保节能科技有限公司 | Comprehensive utilization method for recycling manganous carbonate slag |
| CN101570037A (en) * | 2009-06-01 | 2009-11-04 | 中国环境科学研究院 | Method for preparing construction material by utilizing electrolytic manganese slag |
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