CN102206073A - Slit burning-free bricks and production method thereof - Google Patents
Slit burning-free bricks and production method thereof Download PDFInfo
- Publication number
- CN102206073A CN102206073A CN2011101024033A CN201110102403A CN102206073A CN 102206073 A CN102206073 A CN 102206073A CN 2011101024033 A CN2011101024033 A CN 2011101024033A CN 201110102403 A CN201110102403 A CN 201110102403A CN 102206073 A CN102206073 A CN 102206073A
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- parts
- mud
- slit
- brick
- carbide slag
- Prior art date
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- Granted
Links
- 239000011449 brick Substances 0.000 title claims abstract description 52
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 12
- 239000002893 slag Substances 0.000 claims abstract description 36
- 239000000203 mixture Substances 0.000 claims abstract description 17
- 239000002994 raw material Substances 0.000 claims abstract description 13
- 239000004568 cement Substances 0.000 claims abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 230000001877 deodorizing effect Effects 0.000 claims abstract description 5
- 230000001954 sterilising effect Effects 0.000 claims abstract description 4
- 238000002156 mixing Methods 0.000 claims abstract 3
- 238000003756 stirring Methods 0.000 claims description 11
- 239000004576 sand Substances 0.000 claims description 8
- 239000010802 sludge Substances 0.000 claims description 8
- 238000004659 sterilization and disinfection Methods 0.000 claims description 8
- 229940037003 alum Drugs 0.000 claims description 7
- 239000000463 material Substances 0.000 claims description 7
- 239000007858 starting material Substances 0.000 claims description 5
- 235000007164 Oryza sativa Nutrition 0.000 claims description 3
- 238000007605 air drying Methods 0.000 claims description 3
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 claims description 3
- 229910001861 calcium hydroxide Inorganic materials 0.000 claims description 3
- 239000000920 calcium hydroxide Substances 0.000 claims description 3
- 238000004332 deodorization Methods 0.000 claims description 3
- 238000013461 design Methods 0.000 claims description 3
- 230000003203 everyday effect Effects 0.000 claims description 3
- 238000000465 moulding Methods 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 235000009566 rice Nutrition 0.000 claims description 3
- 239000004575 stone Substances 0.000 claims description 3
- 238000012423 maintenance Methods 0.000 claims description 2
- 240000007594 Oryza sativa Species 0.000 claims 1
- 238000001125 extrusion Methods 0.000 claims 1
- 238000001035 drying Methods 0.000 abstract 1
- 239000011499 joint compound Substances 0.000 description 36
- 239000004927 clay Substances 0.000 description 7
- 239000003245 coal Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 239000007787 solid Substances 0.000 description 4
- 239000002699 waste material Substances 0.000 description 4
- 241000209094 Oryza Species 0.000 description 2
- 239000003795 chemical substances by application Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 1
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 239000011398 Portland cement Substances 0.000 description 1
- 208000034189 Sclerosis Diseases 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 239000011575 calcium Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 235000011089 carbon dioxide Nutrition 0.000 description 1
- 239000003818 cinder Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 229910001653 ettringite Inorganic materials 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N ferric oxide Chemical compound O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000010304 firing Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000010881 fly ash Substances 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000003837 high-temperature calcination Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000002932 luster Substances 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 239000012286 potassium permanganate Substances 0.000 description 1
- 102000004169 proteins and genes Human genes 0.000 description 1
- 108090000623 proteins and genes Proteins 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007873 sieving Methods 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000009628 steelmaking Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000002195 synergetic effect Effects 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
Landscapes
- Treatment Of Sludge (AREA)
Abstract
The invention discloses slit burning-free bricks and a production method thereof. The slit burning-free bricks are produced by using the following raw materials in part by weight: 500 to 540 parts of dried slit, 236 to 240 parts of carbide slag, 150 to 170 parts of scrap, 68 to 70 parts of electric furnace slag, 16 to 17 parts of alumen, 68 to 7 parts of cement and 80 to 90 parts of water. The slit burning-free bricks are produced by the following steps: dewatering, drying slit, adding the carbide slag into the dried slit, uniformly mixing, piling, turning, deodorizing and sterilizing; adding other raw materials, slit and carbide slag into a mixer in turn and uniformly mixing; and forming by extruding the mixture, and curing to obtain the finished slit burning-free bricks. In the invention, the carbide slag is used to sterilize and disinfect the slit; the slit is deodorized by piling and turning; the quality of the product slit burning-free bricks reaches a standard, and the cost is low; and the social benefit of saving energy, protecting farm land and optimizing water environment is created.
Description
Technical field
The present invention relates to the brick or the building block of buildings.
Background technology
The traditional brick-making technology of China is to use clay to come burned brick, and this technology has following shortcoming: 1, and destroy and plough, China produces the annual clay resource that consumes of solid clay brick and reaches billion cubic meter more than ten, is equivalent to destroy 500,000 mu in field; 2, consume a large amount of coal resources, according to incompletely statistics, annual China reaches more than 7,000 ten thousand tons because of producing the used up mark coal of clay brick; 3, contaminate environment, because burning coal in the process of baking bricks, thereby cause a large amount of Carbon emissions to arrive in the air.
Since 2000, solid clay brick was just because of its expending, being prohibited by country to the destruction in soil with to the reasons such as pollution of environment the energy." about the notice of further propelling materials for wall innovation and popularization energy saving building " requirement according to State Council's in September, 2005 issue, to the end of the year in 2010, all will ban use of solid clay brick in all cities, national solid clay brick annual production is controlled at below 4,000 hundred million.
On the other hand, China is vast in territory, lake, river are a lot, all to take out substantial contribution every year rivers,lakes and seas are carried out desilting, and mostly be deposited on the face of land even the arable land from the marine mud that clears in rivers lake, caused falling into disuse of ploughing, sedimentary heavy metal etc. also can pollute environment in the mud.In the emerging environment-friendly type building material, with mud is that main raw material comes brickmaking not only can save the arable land, and can dredging river, beautify water environment, but the technology of utilizing mud brickmaking commonly used at present mostly is high-temperature firing, still exists to consume coal, problem of environment pollution caused.
Non-burning brick appearance has solved the problem that above-mentioned burned brick consumes coal.Non-burning brick being meant utilizes flyash, cinder, coal gangue, mine tailings, residue of chemical industry or natural sand, tidal land mud etc. as main raw material, a kind of novel wall material of making without high-temperature calcination.Because this kind strength of materials height, good endurance, dimensional standard, profile are complete, the color and luster homogeneous, have the outward appearance of primitive simplicity and nature, can do dry wall, also can do any outer decoration.
With mud is that main raw material prepares the dual problem that non-burning brick technology has well solved mud utilization and save energy, but at present to this Study on Technology also in the starting stage, its main difficulty is that the non-burning brick specification of quality that obtains does not reach the use standard, as ultimate compression strength, impermeability, frost resistance etc.Application number is that having introduced a kind of in 200810143622.4 the patent documentation is major ingredient with mud, sand and cement, with potassium permanganate is the baking-free sludge brick of auxiliary material, yet the document does not provide the performance test data or the useful technique effect of resulting baking-free sludge brick.
Summary of the invention
The present invention is directed to the problems referred to above; provide a kind of mud non-burning brick and production method; the non-burning brick quality of mud that this method is produced is good; has good technical performance; cost is low; can save energy, protect farmland, optimize water surrounding, can be widely used in the non-bearing infilled wall and the bearing wall of industry, covil construction.
Technical scheme of the present invention is as follows:
Producing non-burning brick starting material and the weight part ratio thereof of mud is: 500 ~ 540 parts in mud, 236 ~ 240 parts of carbide slags, 150 ~ 170 parts of chips, 68 ~ 70 parts of electric furnace slags, 16 ~ 17 parts in alum, 68 ~ 70 parts of cement, 80 ~ 90 parts in water; Wherein chip is yellow sand, rice sand or small particle size stone.
In above-mentioned raw materials: carbide slag, cement, alum are as agglutinate; Mud, chip are as aggregate; Electric furnace slag is as stopping composition.
The non-burning brick manufacturing step of mud is:
(1) use the sludge dewatering machine with the sludge dewatering mummification;
(2) carbide slag dropped in the exsiccant mud stir, by the calcium hydroxide composition of carbide slag simultaneously to the mud sterilization and disinfection;
(3) mixture of mud and carbide slag is deposited on the vacant lot of spacious canopy and hung 2 ~ 3 days, stir every day once, carry out the nature deodorizing;
(4) mud behind all the other starting material and the deodorization and sterilization and carbide slag are dropped into stirrer successively, brute force stirs into uniform mixture;
(5) by material conveyor the mixture of step (4) is sent in the forming mould of brick press, be processed into the brick body by vibration and pressurization, its moulding pressure is 2.5 ~ 4MPa;
(6) brick carried out vapor cure 13 ~ 15 hours after body formed, and curing temperature is 85 ~ 95 ℃, perhaps carries out natural curing 7 days, curing temperature is 0 ~ 15 ℃, make the intensity of brick rise to 70% of design strength, put into finished product then and stack the field, promptly obtain finished product behind the natural air drying.
Beneficial technical effects of the present invention is:
1, added carbide slag as agglutinate in the raw material of product of the present invention, carbide slag has activity and bonding capacity preferably, can produce synergistic effect when especially using simultaneously, make that the brick body is finer and close, appearance is more smooth, thereby improve intensity, impermeability and the frost resistance of brick body with cement.In addition, the main component of carbide slag is Ca (OH)
2, have strong basicity, the protein of bacteria composition is lost activity, mud is carried out disinfection.The carbide slag price is lower than lime, and is refuse reclamation, meets recycling economy and protection environment requirement.
2, added alum as agglutinate in the raw material of product of the present invention, its effective constituent is Al
2O
3, SO
3, can react with cement-hydrate, generate ettringite, can quicken the aquation and the sclerosis of cement.In addition, alum makes impurity enriched in brick body inside again as flocculation agent and water-resisting agent, makes the brick surface uniform and smooth, has improved the impermeability of brick body; The waterproof action of alum has improved the performance of the water-tight corrosion-proof of brick body simultaneously.
3, added mud in the raw material of product of the present invention, mud has good heat retaining property and toughness as brick body aggregate.
4, added electric furnace slag in the raw material of product of the present invention.Electric furnace slag is the steel-making waste material, by slag pulverize and sieving technology as the stopping composition of product of the present invention, its mechanical property is better than natural stopping composition, it has adhesion property preferably, the hardness height.
5, product of the present invention passes through proper raw material proportioning, the non-burning brick requirement that not only reaches every quality standard of resulting mud, and because mud, chip, electric furnace slag and carbide slag are cheap waste, alum and cement consumption that price is expensive slightly are less, make that the non-burning brick production cost of this mud is low, can mass production.
6, the inventive method utilizes carbide slag that mud is carried out sterilization and disinfection, by stacking and stirring mud is carried out deodorizing, to purify production environment, provides effective labour protection and health maintenance to the operator, and makes product salubrity of the present invention requirement.
7, the present invention has outstanding economic benefit and social benefit: the non-burning brick saving of 1,000,000,000 blocks of mud of every production ploughed 400 mu, 25,000 ten thousand tons in mark coal, 2,750 ten thousand yuan of saving funds, reduce 5500 tons of carbonic acid gas discharge capacities, dredged the river course simultaneously, purified water environment, utilized mud, electric furnace slag the like waste once more, really accomplishing turns waste into wealth.
Specific implementation method
The inventive method is implemented according to following steps:
(1) use the sludge dewatering machine with the sludge dewatering mummification;
(2) carbide slag dropped in the exsiccant mud stir, by the calcium hydroxide composition of carbide slag simultaneously to the mud sterilization and disinfection;
(3) mixture of mud and carbide slag is deposited on the vacant lot of spacious canopy and hung 3 days, stir every day once, carry out the nature deodorizing;
(4) mud behind all the other starting material and the deodorization and sterilization and carbide slag are dropped into stirrer successively, brute force stirs into uniform mixture;
(5) by material conveyor the mixture of step (4) is sent in the forming mould of brick press, be processed into the brick body by vibration and pressurization, its moulding pressure is 3MPa;
(6) brick carried out vapor cure 14 hours after body formed, and curing temperature is 90 ℃, makes the intensity of brick rise to 70% of design strength, put into finished product then and stacked, promptly obtained finished product behind the natural air drying.
Product embodiments 1 to embodiment 4 used raw material weight umber of the present invention sees Table 1, and unit is kg/m
3Wherein mud is the mud in Taihu Lake and the river course thereof, and chip is yellow sand, rice sand or small particle size stone, and electric furnace slag is a slag, and cement is No. 42.5 ordinary portland cements, also can use the more cement of high grade.Make product of the present invention according to the method described above.
Table 1
The technical indicator test result of table 1 illustrated embodiment product sees Table 2, and its detection foundation and technical requirements are all with reference to the applicant's company standard Q/320206QPQF01-2011.
Table 2
As can be seen from Table 2, the non-burning brick every technical indicator of the resulting mud of the present invention all meets the requirement of company standard, and wherein frost resistance and impermeability are much better than technical requirements.
The present invention can make various model bricks (building block) according to customer requirement, can be widely used in the non-bearing infilled wall and the bearing wall of industry and covil construction.
Claims (2)
1. a mud is non-burning brick, with starting material mixing stirring, extrusion molding, maintenance, obtain finished product, it is characterized in that: described raw-material weight part ratio is: 500 ~ 540 parts in mummification mud, 236 ~ 240 parts of carbide slags, 150 ~ 170 parts of chips, 68 ~ 70 parts of electric furnace slags, 16 ~ 17 parts in alum, 68 ~ 70 parts of cement, 80 ~ 90 parts in water; Wherein chip is yellow sand, rice sand or small particle size stone.
2. production method that mud according to claim 1 is non-burning brick is characterized in that manufacturing step is:
(1) use the sludge dewatering machine with the sludge dewatering mummification;
(2) carbide slag dropped in the exsiccant mud stir, by the calcium hydroxide composition of carbide slag simultaneously to the mud sterilization and disinfection;
(3) mixture of mud and carbide slag is deposited on the vacant lot of spacious canopy and hung 2 ~ 3 days, stir every day once, carry out the nature deodorizing;
(4) mud behind all the other starting material and the deodorization and sterilization and carbide slag are dropped into stirrer successively, brute force stirs into uniform mixture;
(5) by material conveyor the mixture of step (4) is sent in the forming mould of brick press, be processed into the brick body by vibration and pressurization, its moulding pressure is 2.5 ~ 4MPa;
(6) brick carried out vapor cure 13 ~ 15 hours after body formed, and curing temperature is 85 ~ 95 ℃, perhaps carries out natural curing 7 days, curing temperature is 0 ~ 15 ℃, make the intensity of brick rise to 70% of design strength, put into finished product then and stack the field, promptly obtain finished product behind the natural air drying.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101024033A CN102206073B (en) | 2011-04-25 | 2011-04-25 | Slit burning-free bricks and production method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011101024033A CN102206073B (en) | 2011-04-25 | 2011-04-25 | Slit burning-free bricks and production method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102206073A true CN102206073A (en) | 2011-10-05 |
| CN102206073B CN102206073B (en) | 2012-12-26 |
Family
ID=44695174
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011101024033A Expired - Fee Related CN102206073B (en) | 2011-04-25 | 2011-04-25 | Slit burning-free bricks and production method thereof |
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| Country | Link |
|---|---|
| CN (1) | CN102206073B (en) |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503253A (en) * | 2011-10-12 | 2012-06-20 | 无锡晨驰江河科技有限公司 | Lake and river sludge processing method |
| CN102503295A (en) * | 2011-10-12 | 2012-06-20 | 无锡晨驰江河科技有限公司 | Non-sintered brick prepared from river and lake silt and preparation process thereof |
| CN102887682A (en) * | 2012-09-04 | 2013-01-23 | 青岛磊鑫混凝土有限公司 | Sintering-free washed-out sand sludge brick and preparation process thereof |
| CN104860635A (en) * | 2014-02-20 | 2015-08-26 | 陈洪伍 | Novel building material and preparation method thereof |
| CN105418154A (en) * | 2015-12-25 | 2016-03-23 | 青岛佰众化工技术有限公司 | Electric furnace steel slag composite porous brick |
| CN105906268A (en) * | 2016-04-22 | 2016-08-31 | 海锦城市环保（国际）有限公司 | Dredged silt non-sintered brick and preparation method thereof |
| CN106517953A (en) * | 2016-11-17 | 2017-03-22 | 无锡奔牛生物科技有限公司 | Baking-free brick and preparation method thereof |
| CN107082598A (en) * | 2017-06-20 | 2017-08-22 | 合肥慧林建材有限公司 | A kind of environment-friendly type pavior brick and preparation method using riverbed sludge as major ingredient |
| CN110757618A (en) * | 2019-10-31 | 2020-02-07 | 梁品 | Method for producing baking-free bricks by comprehensively utilizing furnace slag |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107500632B (en) * | 2017-09-22 | 2020-05-05 | 福建省德化县宁昌陶瓷有限公司 | Renewable sludge baking-free brick and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB724191A (en) * | 1951-09-14 | 1955-02-16 | Ici Ltd | Waterproofing and stabilising of soil-cement bricks and mixtures |
| CN101134632A (en) * | 2006-08-28 | 2008-03-05 | 扬州石油化工厂 | Process for disposal of oil-containing sludge |
| CN101830613A (en) * | 2010-06-18 | 2010-09-15 | 李玉光 | Method for manufacturing autoclaved sand-lime brick or flyash brick as well as fertilizer and grease by sludge |
-
2011
- 2011-04-25 CN CN2011101024033A patent/CN102206073B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB724191A (en) * | 1951-09-14 | 1955-02-16 | Ici Ltd | Waterproofing and stabilising of soil-cement bricks and mixtures |
| CN101134632A (en) * | 2006-08-28 | 2008-03-05 | 扬州石油化工厂 | Process for disposal of oil-containing sludge |
| CN101830613A (en) * | 2010-06-18 | 2010-09-15 | 李玉光 | Method for manufacturing autoclaved sand-lime brick or flyash brick as well as fertilizer and grease by sludge |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102503253A (en) * | 2011-10-12 | 2012-06-20 | 无锡晨驰江河科技有限公司 | Lake and river sludge processing method |
| CN102503295A (en) * | 2011-10-12 | 2012-06-20 | 无锡晨驰江河科技有限公司 | Non-sintered brick prepared from river and lake silt and preparation process thereof |
| CN102503295B (en) * | 2011-10-12 | 2014-02-05 | 无锡晨驰江河科技有限公司 | Non-sintered brick prepared from river and lake silt and preparation process thereof |
| CN102887682A (en) * | 2012-09-04 | 2013-01-23 | 青岛磊鑫混凝土有限公司 | Sintering-free washed-out sand sludge brick and preparation process thereof |
| CN102887682B (en) * | 2012-09-04 | 2014-08-13 | 青岛磊鑫混凝土有限公司 | Sintering-free washed-out sand sludge brick and preparation process thereof |
| CN104860635A (en) * | 2014-02-20 | 2015-08-26 | 陈洪伍 | Novel building material and preparation method thereof |
| CN105418154A (en) * | 2015-12-25 | 2016-03-23 | 青岛佰众化工技术有限公司 | Electric furnace steel slag composite porous brick |
| CN105906268A (en) * | 2016-04-22 | 2016-08-31 | 海锦城市环保（国际）有限公司 | Dredged silt non-sintered brick and preparation method thereof |
| CN105906268B (en) * | 2016-04-22 | 2018-11-16 | 海绵城市道路材料（深圳）有限公司 | A kind of dredging silt no-firing brick and preparation method thereof |
| CN106517953A (en) * | 2016-11-17 | 2017-03-22 | 无锡奔牛生物科技有限公司 | Baking-free brick and preparation method thereof |
| CN107082598A (en) * | 2017-06-20 | 2017-08-22 | 合肥慧林建材有限公司 | A kind of environment-friendly type pavior brick and preparation method using riverbed sludge as major ingredient |
| CN110757618A (en) * | 2019-10-31 | 2020-02-07 | 梁品 | Method for producing baking-free bricks by comprehensively utilizing furnace slag |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102206073B (en) | 2012-12-26 |
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