CN101148071A - Method for producing light-weight high-strength sintered bricks using municipal sludge and wet-discharged fly ash - Google Patents
Method for producing light-weight high-strength sintered bricks using municipal sludge and wet-discharged fly ash Download PDFInfo
- Publication number
- CN101148071A CN101148071A CNA2007100536413A CN200710053641A CN101148071A CN 101148071 A CN101148071 A CN 101148071A CN A2007100536413 A CNA2007100536413 A CN A2007100536413A CN 200710053641 A CN200710053641 A CN 200710053641A CN 101148071 A CN101148071 A CN 101148071A
- Authority
- CN
- China
- Prior art keywords
- wet
- fly ash
- municipal sludge
- strength sintered
- discharged
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000011449 brick Substances 0.000 title claims abstract description 26
- 239000010802 sludge Substances 0.000 title claims abstract description 22
- 239000010881 fly ash Substances 0.000 title claims abstract description 13
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 14
- 239000002699 waste material Substances 0.000 claims abstract description 5
- 239000003795 chemical substances by application Substances 0.000 claims abstract 4
- 239000000203 mixture Substances 0.000 claims description 17
- 239000002994 raw material Substances 0.000 claims description 12
- 238000001035 drying Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 6
- 238000000465 moulding Methods 0.000 claims description 6
- 239000007787 solid Substances 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 3
- 239000000440 bentonite Substances 0.000 claims description 3
- 229910000278 bentonite Inorganic materials 0.000 claims description 3
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical group O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims description 3
- 239000010903 husk Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- SHFGJEQAOUMGJM-UHFFFAOYSA-N dialuminum dipotassium disodium dioxosilane iron(3+) oxocalcium oxomagnesium oxygen(2-) Chemical compound [O--].[O--].[O--].[O--].[O--].[O--].[O--].[O--].[Na+].[Na+].[Al+3].[Al+3].[K+].[K+].[Fe+3].[Fe+3].O=[Mg].O=[Ca].O=[Si]=O SHFGJEQAOUMGJM-UHFFFAOYSA-N 0.000 claims description 2
- 239000010451 perlite Substances 0.000 claims description 2
- 235000019362 perlite Nutrition 0.000 claims description 2
- 238000010304 firing Methods 0.000 claims 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 229920000265 Polyparaphenylene Polymers 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 230000004907 flux Effects 0.000 claims 1
- 239000007788 liquid Substances 0.000 claims 1
- 238000002156 mixing Methods 0.000 claims 1
- 239000002245 particle Substances 0.000 claims 1
- -1 polyphenylene Polymers 0.000 claims 1
- 239000000843 powder Substances 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- 239000002918 waste heat Substances 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000009413 insulation Methods 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract 1
- 230000007613 environmental effect Effects 0.000 abstract 1
- 239000010883 coal ash Substances 0.000 description 13
- 238000005516 engineering process Methods 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 5
- 239000011451 fired brick Substances 0.000 description 4
- 229910001562 pearlite Inorganic materials 0.000 description 4
- 239000011148 porous material Substances 0.000 description 4
- 238000005245 sintering Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 3
- 230000014759 maintenance of location Effects 0.000 description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 2
- 241000209094 Oryza Species 0.000 description 2
- 239000004793 Polystyrene Substances 0.000 description 2
- 229910052799 carbon Inorganic materials 0.000 description 2
- 239000004927 clay Substances 0.000 description 2
- 238000002485 combustion reaction Methods 0.000 description 2
- 238000004134 energy conservation Methods 0.000 description 2
- 229920002223 polystyrene Polymers 0.000 description 2
- 239000003265 pulping liquor Substances 0.000 description 2
- 241001649081 Dina Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000011464 hollow brick Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
Classifications
-
- 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
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/02—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing hydraulic cements other than calcium sulfates
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Processing Of Solid Wastes (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Compositions Of Oxide Ceramics (AREA)
Abstract
一种利用城市污泥和湿排粉煤灰生产轻质高强烧结砖的方法，该烧结砖是以30％－50％城市污泥和45％－65％湿排粉煤灰为主要原料，添加少量助熔造孔剂，按一定的生产工艺烧制而成。本发明城市污泥和湿排粉煤灰的总用量达到90％以上，具有综合利用废弃资源、保护环境等特点，是一种“绿色”建筑材料；本发明生产的烧结砖具有轻质高强、保温隔热性能好等特点，是一种有利于建筑节能的新型承重墙体材料。A method for producing lightweight high-strength sintered bricks by using urban sludge and wet-discharged fly ash. A small amount of fluxing pore-forming agent is fired according to a certain production process. The total amount of municipal sludge and wet-discharged fly ash in the present invention reaches more than 90%, has the characteristics of comprehensive utilization of waste resources, environmental protection, etc., and is a "green" building material; the sintered brick produced by the present invention has light weight, high strength, It is a new type of load-bearing wall material that is conducive to building energy saving due to its good thermal insulation performance.
Description
Technical field
The present invention relates to a kind of method of producing light high strength sintered brick, particularly a kind of method of utilizing municipal sludge and wet-discharged coal ash to produce light high strength sintered brick.
Background technology
Over nearly 20 years, because from economizing the land resource and cut down the consumption of energy consideration, China has carried out and has forbidden sintering solid clay brick policy, novel wall material once developed to waste residue utilization, unburned direction, therefore, steam-cured fly ash brick, concrete small size hollow building block, air-entrained concrete building block, Dinas brickes etc. arise at the historic moment.But up to the present, do not have also that a kind of material can have that the raw material sources of fired brick are very extensive, production process to the influence degree minimum, have that long-term durability and dimensional stability, building cost are minimum, maintenance cost is minimum, good with environment affinity in the building operating period, building energy consumption is low, can reuse after the termination and over-all properties and function such as institute's construction waste that stays is minimum in service life.Therefore, the recent tendency of materials for wall innovation is: make full use of local waste resource development sintered article, fired brick has welcome a new developing period again, and the key of research and development is to seek neither to destroy the available affluent resources of environment, and the production combination property is better than the product of common brick.Domestic fired brick product is mainly coal gangue baked brick, shale fired brick and flyash+clay brick at present.They must could be produced in the area that these resources are arranged, though and this series products intensity very big, unit weight is big, heat insulation property can satisfy the requirement of building energy conservation.
Summary of the invention
The purpose of this invention is to provide a kind of method of utilizing municipal sludge and wet-discharged coal ash for the main material production light high strength sintered brick, it had both utilized the caking property of mud to solve into the base problem, can utilize in the mud in organic and the flyash unburned carbon to make internal combustion and pore creating material again, prepare high-strength light, green walling that heat insulation property is good.
To achieve these goals, raw material composition of the present invention and percetage by weight are: municipal sludge (moisture content 70%～80%) 30%～50%, wet-discharged coal ash 45%～65%, the pore creating material 3%～10% of fluxing.The described pore creating material of fluxing is bentonite, perlite, diatomite, sawdust, rice husk, granular polystyrene or spent pulping liquor.
The preparation technology of light high strength sintered brick of the present invention may further comprise the steps:
(1) raw material mix: municipal sludge, wet-discharged coal ash do not need specially treated, and municipal sludge, wet-discharged coal ash and the powdery pore creating material of fluxing is mixed in proportion, and the moisture content of control mix is about 18.
(2) moulding: material input hydraulic pressure formula that will mix or extruded type brickmaking machine, moulding adobe.By changing mould, can make solid, the porous or the hollow brick blank of different size.
(3) drying: by air dry or utilize using residual heat from kiln furnace that drying is carried out in adobe, the adobe moisture content is reduced to below 6%.
(4) roasting: roasting in the kiln is sent in dried adobe, 1000 ℃～1100 ℃ of maximum sintering temperatures, the maximum temperature temperature retention time is promptly burnt till finished product after 3～4 hours.
The present invention has the following advantages: municipal sludge and wet-discharged coal ash consumption reach more than 90%, economize on resources, protect environment, have good social benefit; Utilize in the mud in organic and the flyash unburned carbon to make internal combustion, energy savings; The product high-strength light, thermal and insulating performance is good, can be used for load-bearing and infilled wall, and is beneficial to building energy conservation; The raw material wide material sources, production technology is simple, and production cost is low, has good economic benefits.
The specific embodiment
Embodiment 1: raw material composition and the percetage by weight of making the present embodiment light high strength sintered brick are: municipal sludge (moisture content 75%) 35%, wet-discharged coal ash 60%, crushed crude pearlite 3%, sawdust 2%.
The preparation technology of present embodiment may further comprise the steps:
(1) raw material mix: municipal sludge, wet-discharged coal ash, crushed crude pearlite, sawdust etc. are mixed in proportion, and the moisture content of control mix is about 18.
(2) moulding: the material input hydraulic pressure formula brickmaking machine that will mix, shaping solid adobe.
(3) drying: by air dry adobe is contained rate and reduce to below 6%.
(4) roasting: roasting in the kiln is sent in dried adobe, and maximum sintering temperature is 1100 ℃, and maximum temperature temperature retention time 4 hours is promptly burnt till the standard solid brick finished product.
Embodiment 2: raw material composition and the percetage by weight of making the present embodiment light high strength sintered brick are: municipal sludge (moisture content 75%) 40%, wet-discharged coal ash 55%, bentonite 4%, rice husk 1%.
The preparation technology of present embodiment may further comprise the steps:
(1) raw material mix: municipal sludge, wet-discharged coal ash, crushed crude pearlite, sawdust etc. are mixed in proportion, and the moisture content of control mix is about 18.
(2) moulding: the material input hydraulic pressure formula brickmaking machine that will mix, the adobe of moulding porous.
(3) drying: by air dry adobe is contained rate and reduce to below 6%.
(4) roasting: roasting in the kiln is sent in dried adobe, and maximum sintering temperature is 1080 ℃, and maximum temperature temperature retention time 4 hours is promptly burnt till the porous brick finished product.
Embodiment 3: raw material composition and the percetage by weight of making the present embodiment light high strength sintered brick are: municipal sludge (moisture content 75%) 30%, wet-discharged coal ash 65%, diatomite 3%, granular polystyrene 2%.
Preparation technology is identical with embodiment 1.
Embodiment 4: raw material composition and the percetage by weight of making the present embodiment light high strength sintered brick are: municipal sludge (moisture content 75%) 45%, wet-discharged coal ash 50%, crushed crude pearlite 3%, spent pulping liquor 2%.
Preparation technology is identical with embodiment 2.
Claims (3)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710053641A CN100595044C (en) | 2007-10-25 | 2007-10-25 | Method for producing light-weight high-strength sintered bricks using municipal sludge and wet-discharged fly ash |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200710053641A CN100595044C (en) | 2007-10-25 | 2007-10-25 | Method for producing light-weight high-strength sintered bricks using municipal sludge and wet-discharged fly ash |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101148071A true CN101148071A (en) | 2008-03-26 |
| CN100595044C CN100595044C (en) | 2010-03-24 |
Family
ID=39248825
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200710053641A Expired - Fee Related CN100595044C (en) | 2007-10-25 | 2007-10-25 | Method for producing light-weight high-strength sintered bricks using municipal sludge and wet-discharged fly ash |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100595044C (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101913842A (en) * | 2010-07-23 | 2010-12-15 | 广州绿由工业弃置废物回收处理有限公司 | Baked light-weight environmental-friendly bricks prepared from paper mill sludge and manufacturing method thereof |
| CN102320812A (en) * | 2011-05-18 | 2012-01-18 | 李俊 | Method for manufacturing sintered product by wet sludge |
| CN102070321B (en) * | 2009-11-24 | 2012-07-04 | 广州绿由工业弃置废物回收处理有限公司 | Sintered light environmentally-friendly brick produced from ceramic waste residues and silt and manufacturing method thereof |
| CN103641443A (en) * | 2013-11-13 | 2014-03-19 | 绍兴市新科节能建材有限公司 | Method for preparation of heat preservation wall material from pile mud |
| CN106116479A (en) * | 2016-06-17 | 2016-11-16 | 福建工程学院 | A kind of method utilizing mud and building castoff sintering self-insulating brick |
| CN111620614A (en) * | 2020-06-27 | 2020-09-04 | 龚娟 | Preparation method of environment-friendly brick |
-
2007
- 2007-10-25 CN CN200710053641A patent/CN100595044C/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102070321B (en) * | 2009-11-24 | 2012-07-04 | 广州绿由工业弃置废物回收处理有限公司 | Sintered light environmentally-friendly brick produced from ceramic waste residues and silt and manufacturing method thereof |
| CN101913842A (en) * | 2010-07-23 | 2010-12-15 | 广州绿由工业弃置废物回收处理有限公司 | Baked light-weight environmental-friendly bricks prepared from paper mill sludge and manufacturing method thereof |
| CN102320812A (en) * | 2011-05-18 | 2012-01-18 | 李俊 | Method for manufacturing sintered product by wet sludge |
| CN103641443A (en) * | 2013-11-13 | 2014-03-19 | 绍兴市新科节能建材有限公司 | Method for preparation of heat preservation wall material from pile mud |
| CN106116479A (en) * | 2016-06-17 | 2016-11-16 | 福建工程学院 | A kind of method utilizing mud and building castoff sintering self-insulating brick |
| CN111620614A (en) * | 2020-06-27 | 2020-09-04 | 龚娟 | Preparation method of environment-friendly brick |
| CN111620614B (en) * | 2020-06-27 | 2021-11-30 | 张勇 | Preparation method of environment-friendly brick |
Also Published As
| Publication number | Publication date |
|---|---|
| CN100595044C (en) | 2010-03-24 |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100324 Termination date: 20151025 |
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| EXPY | Termination of patent right or utility model |