CN105152609A - Building brick produced by using fly ash or residues obtained after burning domestic wastes, and production method thereof - Google Patents

Building brick produced by using fly ash or residues obtained after burning domestic wastes, and production method thereof Download PDF

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Publication number
CN105152609A
CN105152609A CN201510410086.XA CN201510410086A CN105152609A CN 105152609 A CN105152609 A CN 105152609A CN 201510410086 A CN201510410086 A CN 201510410086A CN 105152609 A CN105152609 A CN 105152609A
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slag
brick
waste incineration
flying dust
composition
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CN201510410086.XA
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Chinese (zh)
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CN105152609B (en
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黄华大
方炎章
潘朝权
袁静
裴亚弟
向文
朱兆铮
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四川方大新型建材科技开发有限责任公司
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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

Abstract

The invention relates to a building brick produced by using fly ash or residues obtained after burning domestic wastes, and a production method thereof, and belongs to the field of building materials. The building brick comprises, by weight, 45-50 parts of aggregates, 10-15 parts of a cementing material, 0-10 parts of an alkaline exciting agent and 30-35 parts of silica sand (with the SiO2 content being not smaller than 65%), wherein the aggregates are at least one of fly ash and residues obtained after burning domestic wastes; the cementing material comprises at least three of quicklime, quartz sand, coal ash, slag and waste bricks; and the alkaline exciting agent comprises at least two of cement, water glass, water quenching slag and soda ash. The building brick produced in the invention has excellent performances, and fully and highly utilizes fly ash and residues obtained after burning the domestic wastes, coal ash, slag and other industrial waste residues, the above produced product has the advantages of only need of high pressure saturated steam maintenance, energy saving, and cost reduction, and the pollutant toxicity leaching concentration of the solidified and stabilized product is low.

Description

Composition brick prepared with the flying dust after consumer waste incineration or slag and preparation method thereof

Technical field

The invention discloses composition brick prepared by the flying dust after with consumer waste incineration or slag, especially prepare steam pressure wall body brick and floor tile, and its method prepared, belong to building material field.

Background technology

Along with China's rapid development of economy, urbanization process speed is constantly accelerated, living standards of the people improve constantly, the generation of domestic waste constantly increases, and refuse treatment is innoxious becomes the task of top priority.And it is fast to have processing speed, floor space is few, and minimizing and innoxious effective burning have become again one of main method of refuse treatment, but for another problem that the flying dust after burning has become again people to think deeply with the process of slag.Due to the poisonous and hazardous heavy metal such as Cd, Pb, Cu, Cr, Hg containing a large amount of higher concentrations be flooded out in the flying dust that stays after consumer waste incineration and salt, therefore flying dust after consumer waste incineration has been danger wastes by example, if directly carry out landfill both polluted environment, poison air and water source, also waste resource.The current treatment process of the flying dust stayed after consumer waste incineration has: 1, after suitably disposing, enter hazardous waste landfill and carry out ultimate disposal; 2, the heavy metal in flying dust is adopted acid is carried, alkali is carried, the mode such as biological and biotechnological formulation extraction extracts, then carry out resources allocation utilization; 3, solidification and stabilization: such as, cement solidification, bituminization, melting and solidification technology, chemical agent solidification and stabilization etc., product after solidification and stabilization process, if meet Leaching standard or recycling standard, can enter common landfill yard and dispose or carry out resource reutilization.In recent years, the flying dust stayed after it is found that consumer waste incineration and slag, can make the materials such as the autoclaved brick of building and road by cycling and reutilization.

Autoclaved brick is in high-pressure saturated steam maintenance, generates silicate cementing material by calcareous material and siliceous material generation hydrothermal chemical reaction, cementing aggregate and produce a kind of New Building Materials of intensity.This brick outward appearance is neat, and intensity is high, good endurance, dimensional standard, color and luster are homogeneous, has the outward appearance of primitive simplicity and nature, can do wall body brick or pavement bricks and paving tile etc.Therefore, be a kind ofly replace that clay brick is extremely promising, waste reside comprehensive utilization, elimination environmental pollution, economize the land resource, promote the building of town and country Employment and the renewal product of road brick.

Application number is " 2010100539177.0 ", denomination of invention is " a kind of method utilizing domestic waste incineration residue to prepare slag baking-free wall brick ", disclosing one utilizes domestic waste incineration residue, lime, cement, gypsum, exciting agent for raw material, through the method for suppressing, namely maintenance obtains baking-free wall brick.This invention only employs the slag after consumer waste incineration, does not utilize poisonous and hazardous domestic garbage incineration flyash for raw material, and does not adopt high-pressure saturated steam maintenance; Gypsum also containing 7.6% ~ 19% in raw material, CaO > 32%, SO in gypsum 3> 45%, gypsum cost is higher.

Application number is " 201010539233.0 ", denomination of invention is " concrete quay brick prepared with domestic waste incineration residue and preparation method thereof ", disclose a kind of domestic waste incineration residue of use 16.1% ~ 40.9%, the cement of 12.9% ~ 18.1%, the rubble of 12.51% ~ 30.9%, the coarse sand of 28.1% ~ 43.9%, the admixture of 2.5% ~ 5.9% is bottom fabric, with the cement of 18.9% ~ 30.1%, the fine sand of 68.9% ~ 80.1%, the water of 8% ~ 12% is face stock, suppress through layering, maintenance, the method of obtained concrete quay brick.The patented product belongs to the concrete product of natural curing, is take cement as agglutinate; And domestic waste incineration residue utilization ratio is low, do not utilize poisonous and hazardous domestic garbage incineration flyash for raw material at all.

Application number is " 201010206551.5 ", denomination of invention is " fly ash baked brick made after waste incineration flying ash washing and preparation method thereof ", domestic garbage incineration flyash, the clay of 45% ~ 70% and the feldspar of 5% ~ 20% disclosed after a kind of washing by mass percent being 25% ~ 35% forms, and its preparation method is waste incineration flying ash washing process, material shatters pre-treatment, the pulverizing of material, raw material aging, material forming, body drying, sinter the steps such as brick into.This patent complex process, the flying dust utilization ratio after waste incineration is not high, and due to the flyash ingredient complexity after waste incineration, lighter weight, can only use high temperature sintering to become the mode of brick, compared with becoming brick with steam press maintenance usually when processing in prior art, cost is higher, and technique is more difficult.

Summary of the invention

Composition brick prepared by the flying dust after first technical problem to be solved by this invention is to provide a kind of consumer waste incineration or slag.

With composition brick prepared by the flying dust after consumer waste incineration or slag, be made up of following raw material:

Wherein, described aggregate is at least one in flying dust after waste incineration, slag; Described agglutinate is made up of at least three kinds in unslaked lime, flyash, quartz sand, slag, useless brick; Described alkali-activator is made up of at least two kinds in cement, water glass, water-granulated slag, soda ash; Described silica sand is river sand, artificial sand, mountain sand, wind collection sand.

Wherein, described unslaked lime is for containing active CaO >=70%, the new fresh lime of MgO≤5%; Cement is P.O42.5R cement, i.e. ordinary Portland cement.

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, is made up of following raw material:

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, is made up of following raw material:

Further, as preferred technical scheme, aggregate described above is preferably the flying dust after waste incineration.According to the definition about hazardous material in " National Hazard refuse register ", the flying dust after waste incineration belongs to environmental improvement industry, and refuse code is 802-002-18, and its hazard property belongs to T (Toxicity) class, is a virose class waste.Report according to pertinent literature: flying dust is the thin particulate matter collected at flue gas purification system and obtain, and flying dust is generally in canescence or Dark grey, and particle diameter is less than 300 μm, major part is 1.0 μm ~ 30 μm, water ratio 10% ~ 23%, clinker ignition loss 34% ~ 51%, easy frost heave, difficult compacting, particle form is many in bar-shaped, flocculence, spherical etc. irregularly shaped, flyash ingredient is complicated, mainly containing CaO, SiO 2, Na 2o, SO 3, K 2o, Fe 2o 3, Al 2o 3, MgO, secondly wherein, CaO massfraction is the highest, is 20.4% ~ 37.9%, is SO 3, SiO 2; Main harm material is heavy metal (Hg, Cu, Zn, Pb, Cd, Ni, Cr etc.) and dioxin; In flying ash, the massfraction of chlorine is high, reaches as high as 15%, and wherein solvable chlorine accounts for the ratio of total chlorine is 40.6% ~ 83.9%.

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, described agglutinate by weight percentage, preferably by unslaked lime: quartz sand: flyash=80:10:10 forms; Described alkali-activator by weight percentage, preferably by cement: water-granulated slag=70:30 forms.

Flying dust after second technical problem to be solved by this invention is to provide a kind of consumer waste incineration or slag prepare the method for composition brick.

Wherein, the preparation method of described composition brick, comprises the following steps:

A, raw material prepare: take each component batching by predetermined weight part composition of composition brick; And wherein will wear into fine powder by agglutinate, make more than 95% fine powder particle diameter≤0.08mm; Slag after consumer waste incineration answers sorting, pulverizing, classification to reach service requirements;

B, add water and clear up: by ready for a step raw material, add water in biaxial rneader and be uniformly mixed uniformly wet stock, entering water suction in slaking silos and clearing up;

C, pressing unfired brick: be uniformly mixed into molding mass adding water again from slaking silos wet stock out, then send into brick pressing machine and be pressed into adobe;

D, maintenance: adobe step c obtained maintenance in the autoclave of the saturation steam of gauge pressure >=1.5MPa, obtains autoclaved brick; Wherein, saturation steam curing temperature > 200 DEG C, curing time is 6 ~ 9h.

Further, the preparation method of composition brick described above, wherein, in Step d autoclave, the pressure of saturated vapor pressure is preferably 1.5 ~ 2.0MPa, and saturation steam curing temperature is preferably 200 ~ 215 DEG C.

In order to obtain the brick that can better meet performance requriements for building, composition brick described in the present invention is preferably steam pressure wall body brick and floor tile.

Compared with prior art, the present invention has following beneficial effect:

1, the composition brick prepared of the present invention is mainly raw material with the flying dust after waste incineration or slag, and recycle for the flying dust resource utilization after the consumer waste incineration of Hazardous wastes and provide a new approach, namely alternative sintered clay brick is used for buildings; Additionally reduce the pollution of domestic refuse residue to environment, really accomplish the comprehensive utilization of resource, energy-conservation, save land, save soil and preserve the ecological environment.

Composition brick prepared by the flying dust 2, after the present invention's consumer waste incineration or slag has good building performance, and its production technique only needs autoclave curing, does not need sintering, has saved the energy, reduced cost.

Composition brick intensity prepared by the flying dust 3, after the present invention's consumer waste incineration or slag is high, its ultimate compression strength > 15MPa, autoclaved brick is heavy 2728g on average, frost resistance is qualified, and wherein the harmful element toxicity leaching concentration of solidification and stabilization product meets " household refuse landfill sites Environmental capacity standard " (GB16889-2008) standard-required.

4, present invention process is simple, and cost is low, not only can utilize the slag after consumer waste incineration; the flying dust after waste incineration can also be utilized; even can also utilize the industrial residue such as flyash, slag, useless brick, and utilization ratio is higher, can comprehensive utilization of resources and protection of the environment to greatest extent.

5, the flying dust after the present invention utilizes burning prepares composition brick, adopts the mode of steam press maintenance simultaneously; And prior art is in order to reach the requirement of the ultimate compression strength of minimum more than the 15MPa of brick, usually adopt the mode of high-temperature roasting or melting.Compare, technique of the present invention is simple, and cost is very low, easy to operate, and utilization ratio is high, can protection of the environment to greatest extent, realizes the object of comprehensive utilization of resources.

Embodiment

With composition brick prepared by the flying dust after consumer waste incineration or slag, be made up of following raw material:

Wherein, described aggregate is at least one in flying dust after waste incineration, slag; Described agglutinate is made up of at least three kinds in unslaked lime, flyash, quartz sand, slag, useless brick; Described alkali-activator is made up of at least two kinds in cement, water glass, water-granulated slag, soda ash; Described silica sand is river sand, artificial sand, mountain sand, wind collection sand.

Wherein, described unslaked lime is for containing active CaO >=70%, the new fresh lime of MgO≤5%; Cement is P.O42.5R cement, i.e. ordinary Portland cement.

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, is made up of following raw material:

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, is made up of following raw material:

Further, as preferred technical scheme, aggregate described above is preferably the flying dust after waste incineration.According to the definition about hazardous material in " National Hazard refuse register ", the flying dust after waste incineration belongs to environmental improvement industry, and refuse code is 802-002-18, and its hazard property belongs to T (Toxicity) class, is a virose class waste.Report according to pertinent literature: flying dust is the thin particulate matter collected at flue gas purification system and obtain, and flying dust is generally in canescence or Dark grey, and particle diameter is less than 300 μm, major part is 1.0 μm ~ 30 μm, water ratio 10% ~ 23%, clinker ignition loss 34% ~ 51%, easy frost heave, difficult compacting, particle form is many in bar-shaped, flocculence, spherical etc. irregularly shaped, flyash ingredient is complicated, mainly containing CaO, SiO 2, Na 2o, SO 3, K 2o, Fe 2o 3, Al 2o 3, MgO, secondly wherein, CaO massfraction is the highest, is 20.4% ~ 37.9%, is SO 3, SiO 2; Main harm material is heavy metal (Hg, Cu, Zn, Pb, Cd, Ni, Cr etc.) and dioxin; In flying ash, the massfraction of chlorine is high, reaches as high as 15%, and wherein solvable chlorine accounts for the ratio of total chlorine is 40.6% ~ 83.9%.

Further, as preferred technical scheme, composition brick prepared by the flying dust after consumer waste incineration described above or slag, described agglutinate by weight percentage, preferably by unslaked lime: quartz sand: flyash=80:10:10 forms; Described alkali-activator by weight percentage, preferably by cement: water-granulated slag=70:30 forms.

Flying dust after second technical problem to be solved by this invention is to provide a kind of consumer waste incineration or slag prepare the method for composition brick.

Wherein, the preparation method of described composition brick, comprises the following steps:

A, raw material prepare: take each component batching by predetermined weight part composition of composition brick; And wherein will wear into fine powder by agglutinate, make more than 95% fine powder particle diameter≤0.08mm; Slag after consumer waste incineration answers sorting, pulverizing, classification to reach service requirements;

B, add water and clear up: by ready for a step raw material, add water in biaxial rneader and be uniformly mixed uniformly wet stock, entering water suction in slaking silos and clearing up;

C, pressing unfired brick: be uniformly mixed into molding mass adding water again from slaking silos wet stock out, then send into brick pressing machine and be pressed into adobe;

D, maintenance: adobe step c obtained maintenance in the autoclave of the saturation steam of gauge pressure >=1.5MPa, obtains autoclaved brick; Wherein, saturation steam curing temperature > 200 DEG C, curing time is 6 ~ 9h.

Further, the preparation method of composition brick described above, wherein, in Step d autoclave, the pressure of saturated vapor pressure is preferably 1.5 ~ 2.0MPa, and saturation steam curing temperature is preferably 200 ~ 215 DEG C.

In order to obtain the brick that can better meet performance requriements for building, composition brick described in the present invention is preferably steam pressure wall body brick and floor tile.

Below in conjunction with embodiment, the specific embodiment of the present invention is further described, does not therefore limit the present invention among described scope of embodiments.

Embodiment 1

1, autoclaved brick preparation

A, raw material prepare: by each component raw material batching of numbering in table 11 ~ 4 group, take each component, and wherein will wear into fine powder by agglutinate, make more than 95% fine powder particle diameter≤0.08mm; Slag after consumer waste incineration answers sorting, pulverizing, classification to reach service requirements;

B, add water and clear up: by ready for a step raw material, add water in biaxial rneader and be uniformly mixed uniformly wet stock, entering water suction in slaking silos and clearing up;

C, pressing unfired brick: be uniformly mixed into molding mass adding water again from slaking silos wet stock out, then send into brick pressing machine and be pressed into adobe;

D, maintenance: adobe step c obtained maintenance in the autoclave of the saturation steam of gauge pressure >=1.5MPa, obtains steam pressure wall body brick or floor tile; Wherein, saturation steam curing temperature > 200 DEG C, curing time is 6 ~ 9h.

Each component composition and proportioning thereof in table 1 embodiment

2, the pollutent toxicity leaching value of autoclaved brick solidification and stabilization product

The malicious leaching test method of the steam pressure Wall or floor tile prepared by the step of the embodiment of the present invention is carried out according to " solid waste Leaching leaching method hac buffer method " (HJ/T300-2007), the harmful element concentration leached in brick, all compared with the standard-required of GB16889-2008 " household refuse landfill sites Environmental capacity standard ", leaches and the results are shown in Table shown in 2:

The pollutent toxicity leaching concentration value of table 2 composition brick solidification and stabilization product

(unit mg/L)

Data as can be seen from table 2, the pollutent toxicity leaching concentration value of composition brick solidification and stabilization product prepared by the present invention, all lower than the standard-required of " household refuse landfill sites Environmental capacity standard " (GB16889-2008), is that the safety performance meeting building brick requires.

3, composition brick performance test

With composition brick prepared by embodiment of the present invention technical scheme, weigh and frost resistance test through intensity, brick, its test result is in table 3:

Table 3 composition brick intensity, brick weigh and frost resistance test result

Through finding the performance test of the brick prepared in embodiment: autoclaved brick ultimate compression strength prepared by technical solution of the present invention is high, autoclaved brick weight in average is slightly heavier than common brick weight, its frost resistance test passes, having good physical and chemical performance and weather resistance, is for industry and the good novel wall material of covil construction and pavement material.

Claims (7)

1. with composition brick prepared by the flying dust after consumer waste incineration or slag, it is characterized in that: be made up of following raw material:
Wherein, described aggregate is at least one in flying dust after waste incineration, slag; Described agglutinate is made up of at least three kinds in unslaked lime, flyash, quartz sand, slag, useless brick; Described alkali-activator is made up of at least two kinds in cement, water glass, water-granulated slag, soda ash; Described silica sand is river sand, artificial sand, mountain sand, wind collection sand.
2., according to claim 1 with composition brick prepared by the flying dust after consumer waste incineration or slag, it is characterized in that: be made up of following raw material:
3., according to claim 1 with composition brick prepared by the flying dust after consumer waste incineration or slag, it is characterized in that: be made up of following raw material:
4. according to any one of claims 1 to 3 with composition brick prepared by the flying dust after consumer waste incineration or slag, it is characterized in that: described aggregate is the flying dust after waste incineration.
5. according to any one of claims 1 to 3 with composition brick prepared by the flying dust after consumer waste incineration or slag, it is characterized in that: described agglutinate by weight percentage, by unslaked lime: quartz sand: flyash=80:10:10 forms; Described alkali-activator by weight percentage, by cement: water-granulated slag=70:30 forms.
6. the preparation method of the composition brick described in any one of Claims 1 to 5, is characterized in that: comprise the following steps:
A, raw material prepare: take each component batching by predetermined weight part composition of composition brick; And wherein will wear into fine powder by agglutinate, make more than 95% fine powder particle diameter≤0.08mm; Slag after consumer waste incineration answers sorting, pulverizing, classification to reach service requirements;
B, add water and clear up: by ready for a step raw material, add water in biaxial rneader and be uniformly mixed uniformly wet stock, entering water suction in slaking silos and clearing up;
C, pressing unfired brick: be uniformly mixed into molding mass adding water again from slaking silos wet stock out, then send into brick pressing machine and be pressed into adobe;
D, maintenance: adobe step c obtained maintenance in the autoclave of the saturation steam of gauge pressure >=1.5MPa, obtains autoclaved brick; Wherein, saturation steam curing temperature >=200 DEG C, curing time is 6 ~ 9h.
7. the preparation method of composition brick according to claim 6, it is characterized in that: in described Step d autoclave, the pressure of saturated vapor pressure is 1.5 ~ 2.0MPa, saturation steam curing temperature is 200 ~ 215 DEG C.
CN201510410086.XA 2015-07-13 2015-07-13 Building brick prepared with the flying dust after consumer waste incineration or slag and preparation method thereof CN105152609B (en)

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CN105541142A (en) * 2015-12-18 2016-05-04 淮安市楚城水泥有限公司 Treatment method for using garbage ash as cement ingredient
CN105753389A (en) * 2016-03-15 2016-07-13 北京建筑材料科学研究总院有限公司 Baking-free bricks produced by waste bottom slag and production method of baking-free bricks
CN105903746A (en) * 2016-05-17 2016-08-31 上海市环境工程设计科学研究院有限公司 Method for stabilized treatment of garbage burning fly ash by utilizing rice hull ash
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CN106316307A (en) * 2016-08-22 2017-01-11 武汉都市环保工程技术股份有限公司 Composite passivator for incineration fly ash of household garbage and restoration method for incineration fly ash of household garbage
CN106380218A (en) * 2016-08-22 2017-02-08 泾川家园陶瓷有限责任公司 A manufacturing process for a brick for a square
CN106892601A (en) * 2017-03-16 2017-06-27 宁波纯恒固废科技有限公司 A kind of non-sintered rubbish tailing-bricks and its preparation technology
CN106964638A (en) * 2017-05-31 2017-07-21 中国葛洲坝集团绿园科技有限公司 A kind of life refuse processing method
CN107500696A (en) * 2017-07-04 2017-12-22 成都秉德科技有限公司 A kind of clinker recycle device after waste incineration
CN108314366A (en) * 2018-03-14 2018-07-24 清华大学 A method of utilizing domestic garbage incineration flyash and furnace slag brick making
CN108409210A (en) * 2018-03-14 2018-08-17 清华大学 A method of utilizing domestic garbage incineration flyash brickmaking
CN110054470A (en) * 2018-05-14 2019-07-26 冯乃谦 Solidify the manufacturing method of the environmentally protective concrete of heavy metal in lime-ash
CN110723929A (en) * 2019-09-30 2020-01-24 辽宁海天阁环保科技有限公司 Baking-free brick and preparation method thereof

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CN105541142A (en) * 2015-12-18 2016-05-04 淮安市楚城水泥有限公司 Treatment method for using garbage ash as cement ingredient
CN105753389A (en) * 2016-03-15 2016-07-13 北京建筑材料科学研究总院有限公司 Baking-free bricks produced by waste bottom slag and production method of baking-free bricks
CN105903746A (en) * 2016-05-17 2016-08-31 上海市环境工程设计科学研究院有限公司 Method for stabilized treatment of garbage burning fly ash by utilizing rice hull ash
CN105903746B (en) * 2016-05-17 2017-12-08 上海市环境工程设计科学研究院有限公司 Utilize the method for rice hull ash stabilization processing refuse incineration flying ash
CN106186925A (en) * 2016-07-06 2016-12-07 南京工业大学 The technique that a kind of incineration of refuse flyash prepares unburned ecological brick
CN106380218A (en) * 2016-08-22 2017-02-08 泾川家园陶瓷有限责任公司 A manufacturing process for a brick for a square
CN106316307A (en) * 2016-08-22 2017-01-11 武汉都市环保工程技术股份有限公司 Composite passivator for incineration fly ash of household garbage and restoration method for incineration fly ash of household garbage
CN106892601A (en) * 2017-03-16 2017-06-27 宁波纯恒固废科技有限公司 A kind of non-sintered rubbish tailing-bricks and its preparation technology
CN106892601B (en) * 2017-03-16 2020-11-03 宁波纯力固废科技有限责任公司 Non-sintered garbage tailing brick and preparation process thereof
CN106964638A (en) * 2017-05-31 2017-07-21 中国葛洲坝集团绿园科技有限公司 A kind of life refuse processing method
CN107500696A (en) * 2017-07-04 2017-12-22 成都秉德科技有限公司 A kind of clinker recycle device after waste incineration
CN108409210A (en) * 2018-03-14 2018-08-17 清华大学 A method of utilizing domestic garbage incineration flyash brickmaking
CN108409210B (en) * 2018-03-14 2019-09-27 清华大学 A method of utilizing domestic garbage incineration flyash brickmaking
CN108314366B (en) * 2018-03-14 2019-09-27 清华大学 A method of utilizing domestic garbage incineration flyash and furnace slag brick making
CN108314366A (en) * 2018-03-14 2018-07-24 清华大学 A method of utilizing domestic garbage incineration flyash and furnace slag brick making
CN110054470A (en) * 2018-05-14 2019-07-26 冯乃谦 Solidify the manufacturing method of the environmentally protective concrete of heavy metal in lime-ash
CN110723929A (en) * 2019-09-30 2020-01-24 辽宁海天阁环保科技有限公司 Baking-free brick and preparation method thereof

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