CN107572928A - A kind of dirty mud environment protection type water-permeable brick and preparation method thereof - Google Patents
A kind of dirty mud environment protection type water-permeable brick and preparation method thereof Download PDFInfo
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- CN107572928A CN107572928A CN201710924445.2A CN201710924445A CN107572928A CN 107572928 A CN107572928 A CN 107572928A CN 201710924445 A CN201710924445 A CN 201710924445A CN 107572928 A CN107572928 A CN 107572928A
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Abstract
The invention discloses a kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 40~70%, coarse sand 5~25%, ferro-silico aluminium calcium oxide 5~25%, cement 10~30%；The useless mud is mud or/and sludge；The ferro-silico aluminium calcium oxide is one or more mixtures in flyash, thin cinder, slag powders or gangue.The dirty mud environment protection type water-permeable brick of the present invention, there is the advantages of good water permeability, High anti bending strength, wearability are good and freezing-thawing resistance is strong, sponge urban construction new pavement materials'use can be used as；And using mud/sludge as major ingredient, realize twice laid and solve mud/sludge to make a low multiple use, pollute the present situation of environment, solve the shortage problem of sponge city new material again.
Description
Technical field
The present invention relates to dirty mud environment protection type water-permeable brick technical field, and in particular to a kind of dirty mud environment protection type water-permeable brick and
Its preparation method.
Background technology
Substantial amounts of mud or sludge are produced during the cleaning regulation in river course, water channel, lake, wherein containing an a large amount of huge sum of moneys
Category, bacterium or organic pollution, deal with improperly and are easy to cause secondary pollution to soil and groundwater and air, commonly use and become silted up
The processing method of mud/sludge has ocean dumping, banks up drying and bury nearby, can cause river and marine pollution, caused heap
Put the problems such as pollutant spreads, soil wastes naturally.
Modern metropolitan cities Route for pedestrians more be equipped with fragment of brick, to maintain attractive in appearance and planarization, lay at present it is mostly be clay burn
Brick is tied, its water permeability is poor, and its one side make it that rainwater is blocked completely to the supplement of underground water during rainfall, causes to continue not
Disconnected surface subsidence, on the other hand, rain drainage is not smooth during due to raining, and easily causes urban waterlogging, and burn using clay
Brickmaking is tied, not only breaks up arable land, production power consumption is also high, therefore studies discarded raw clay, uses other new geomaterials instead, such as
Sludge or mud prepare water-permeable brick, and significance is played to protecting farmland, saving the energy and twice laid.
Chinese patent application CN201610977625.2 discloses a kind of preparation method of environment friendly pervious brick, using sewage plant
Sludge is as main component, and the invention is when handling sewage plant sludge, using double sintering technique, the first sludge to half amount
It is sintered, then second half is respectively added in the preparation of adobe in the form of fine powder, can be with forming layer by sintering again
The structure of layer through hole improves permeability rate.Although this method environmental protection, the firing time length of brick, power consumption are high, prepare in addition
Brick product performance it is unstable, easily occur slight crack or arrisdefect during use.
At present using water-permeable brick prepared by mud/sludge in the presence of time-consuming, product weight is unstable, water penetration, anti-folding are strong
Degree, wearability and freezing-thawing resistance are difficult to reach requirement, and production technology is still not mature enough, long processing time, power consumption height and product
Performance unstable the problems such as waiting, therefore urgently further further investigation using sludge/mud prepares water-permeable brick.
The content of the invention
For above-mentioned deficiency of the prior art, the cheap dirty silt of cost the invention provides a kind of raw material composition simply
Mud environment protection type water permeable brick and preparation method thereof, the water-permeable brick by sludge or/and mud by using special curing agent curing process
Afterwards, and using coarse sand, ferro-silico aluminium calcium oxide and stone flour good grading is formed, there is good water permeability, compression strength height, wearability
The features such as good and freezing-thawing resistance is strong, realizes the recycling of sludge and river and lake silt, turns waste into wealth, environmental protection；Together
Shi Gaishan brickmaking technologies, it is not necessary to high temperature sintering or steam pressure, it is only necessary under normal temperature can brickmaking, reduce energy consumption, ensure
Product is stable.
The technical solution adopted by the present invention is：A kind of dirty mud environment protection type water-permeable brick, include the original of following percentage by weight
Material：Useless mud 40~70%, coarse sand 5~25%, ferro-silico aluminium calcium oxide 5~25%, cement 10~30%；The useless mud is mud
Or/and sludge；The ferro-silico aluminium calcium oxide is one or more mixing in flyash, thin cinder, slag powders or gangue
Thing.
The present invention uses mud or/and sludge, ferro-silico aluminium calcium oxide as primary raw material, uses these raw materials not only valency
Lattice are cheap, can also gather materials on the spot, turn waste into wealth, environmental protection, but also can substantially reduce production cost, improve production effect
Benefit；Arranged in pairs or groups in mud or/and sludge, ferro-silico aluminium calcium oxide coarse sand so that raw material particle size thickness is arranged in pairs or groups, and ensures finished product skeleton
Uniformly there is good pore structure, the ratio by optimizing and revising this several raw material repeatedly can make the rupture strength of finished bricks
Further optimization；Cement is added in the feed, can not only adjust the plasticity of production mixed material, is easy to stirring shaping to add
Work, the inner homogeneous degree and water penetration, rupture strength and wear-resisting and freezing-thawing resistance of adobe and finished bricks can also be improved.Separately
Outside, the addition of ferro-silico aluminium calcium oxide can not only improve surface gloss, the fire insulation of product, flyash, thin cinder
Or slag powders can have the function that to adjust acidity, deodorization and sterilization, make product steady with the acidic materials reaction in mud/sludge
Qualitative raising.
Preferably, the dirty mud environment protection type water-permeable brick, the raw material of following percentage by weight is included：Useless mud 50~60%,
Coarse sand 10~20%, ferro-silico aluminium calcium oxide 10~20%, cement 15~25%.
Preferably, the dirty mud environment protection type water-permeable brick, the raw material of following percentage by weight is included：Useless mud 50%, coarse sand
15%, ferro-silico aluminium calcium oxide 15%, cement 20%.
As the further optimization of the dirty mud environment protection type water-permeable brick of the present invention, the useless mud contains after special curing agent is handled
Water rate is≤15%, then crosses 50 mesh sieves after press filtration, drying and two pairs of rollers are milled and obtain mud powder；Chitosan in the special curing agent
Content be 2~8%.All need to carry out sludge/mud pre-treatment when preparing water-permeable brick as raw material using sludge/mud, but
It is that most of sludge/mud progress pretreatment procedure is extremely complex, and also needs to add deodorization in the water-permeable brick raw material after processing, kills
The additives such as bacterium could prepare the finished bricks used that can dispatch from the factory, and the present invention uses the curing agent of chitosan-containing to sludge/silt
Mud carries out pre-treatment, can not only effectively adsorb heavy metal, destroy microorganism structure, hydrolysis organic pollution, dirty reducing
Stench can also be eliminated while dye, is advantageous to product cold curing, improves product stability so that without again in raw material of the present invention
A kind of additive such as deodorization, sterilization is added, improves production efficiency, reduces production cost, heavy metal is several in the water-permeable brick of preparation
Without leaching, will not do harm to huamn body, environmental-protecting performance further strengthens.
Preferably, useless mud moisture content after special curing agent is handled is 4~6wt%.
As the further optimization of the dirty mud environment protection type water-permeable brick of the present invention, the particle diameter of the ferro-silico aluminium calcium oxide≤
1mm。
As the further optimization of the dirty mud environment protection type water-permeable brick of the present invention, the grain diameter of coarse sand more than 80% is 1
~2mm.
As the further optimization of the dirty mud environment protection type water-permeable brick of the present invention, the ferro-silico aluminium calcium oxide be flyash,
Thin cinder, slag powders and gangue are with 4：2：1：1 weight ratio mixes.
By the selection of give up mud, ferro-silico aluminium calcium oxide, coarse sand particle diameter, each raw material can be made in water-permeable brick stock preparation process
It is middle to form good grading of aggregates, while water-permeable brick physical property is ensured, further improve the permeability rate of water-permeable brick.
The invention also discloses the preparation method of above-mentioned dirty mud environment protection type water-permeable brick, comprise the following steps：I, is by each original
Material metered stirring container successively by weight percentage；II, adds 2~20% water and is stirred material；III, compounds pass through
Hydraulic press is compressing；IV, will conserve 12~48h under the adobe normal temperature of shaping；The dirt is made in V, wet curings 5~10 days
Mud environment protection type water-permeable brick.The present invention technique it is simply efficient, within room temperature 48h just curable, curing time ＜ 10 days, finally
The stable performance of product brick.
As a kind of optimization of the dirty mud environment protection type water-permeable brick preparation method of the present invention, after adobe normal temperature conserves 24h, water spray
Maintenance 7 days.
Compared with prior art, the beneficial effects of the invention are as follows：(1) present invention is simple, cheap using raw material, saves
Production cost, mud/sludge is taken on the spot, is turned waste into wealth, it is free from environmental pollution, the recycling of dirt/mud is realized, is solved
Mud/comprehensive utilization of mud rate is low, the present situation of pollution environment, is provided for mud/sludge and the disused soil disposal of constructing items
Effective disposal options；(2) material matching of the present invention and ratio are reasonable, using mud or/and sludge, ferro-silico aluminium calcium oxide as
Primary raw material collocation coarse sand, cement cause the fast inner homogeneous of formed product speed, and permeability rate, the anti-folding for improving finished bricks are strong
Degree, anti-wear performance and its freezing-thawing resistance, can mitigate municipal drainage and pressure of flood, pollution and processing to preventing public waters
Sewage has good effect, makes not ponding, and can be used as sponge urban construction new pavement materials'use on road；
(3) present invention carries out pre-treatment using the curing agent of chitosan-containing to sludge/mud, can not only effectively adsorb heavy metal,
Microorganism structure, hydrolysis organic pollution are destroyed, stench can also be eliminated while reducing and polluting, and be advantageous to product room temperature and consolidate
Change, improve product stability so that the additive a kind of without adding deodorization, sterilization etc. again in raw material of the present invention, improve production
Efficiency, reduce production cost, almost without Leaching of Heavy Metals in the water-permeable brick of preparation, will not do harm to huamn body, it is more environmentally-friendly
Reliably；(4) cold curing speed of the present invention is fast, using room temperature plus water curing, is pressurizeed without heating, simple production process, energy consumption
Low, product weight is stable.
Embodiment
In order to make the purpose , technical scheme and advantage of the present invention be clearer, with reference to embodiments, to the present invention
It is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, it is not used to
Limit the present invention.Based on the embodiment in the present invention, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment obtained, belongs to the scope of protection of the invention.Unless stated otherwise, the present invention use reagent,
Method and apparatus is the art conventional reagent, method and apparatus.
As a preferred embodiment, the preparation method of the water-permeable brick described in following embodiments and comparative example,
Comprise the following steps：I, is by each raw materials by weight successively metered stirring container；II, adds the stirring of 2~20% water
Mixing material；III, compounds are compressing by hydraulic press；IV, will conserve 12~48h under the adobe normal temperature of shaping；V, sprays water
The dirty mud environment protection type water-permeable brick is made in 5~10 days in maintenance.
Inventor has found, is adjusted in the parameter area that above-mentioned preparation method limits, for the water-permeable brick for preparing
Potency due is little, therefore preferred preparation method of the above method as the present invention.
The inventive method is further described by taking specific implementation condition as an example below.
Embodiment 1
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 70%, coarse sand 10%, silicon
Ferro-aluminum calcium oxide 5%, cement 15%；The useless mud is mud and sludge with 2：1 weight ratio mixes；The ferro-silico aluminium
Calcium oxide is flyash, thin cinder, slag powders with 2：0.5：1 weight ratio mixes.
The mud and the sludge moisture content after special curing agent is handled are 12wt%, then are ground through press filtration, drying and two pairs of rollers
50 mesh sieves are crossed after mill and obtain mud powder；The special curing agent be swelled ground, polypropylene fibre, ferric trichloride, cement, chitosan,
The content of the mixture of quick lime, wherein chitosan is 5%.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
The preparation method of the dirty mud environment protection type water-permeable brick, comprises the following steps：I, is by each raw materials by weight
Metered stirring container successively；II, adds 5% water and is stirred material；III, compounds are compressing by hydraulic press；Ⅳ.
36h will be conserved under the adobe normal temperature of shaping；The dirty mud environment protection type water-permeable brick is made in V, wet curings 10 days.
Embodiment 2
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 60%, coarse sand 5%, sial
Iron calcium oxide 5%, cement 30%；The useless mud is mud；The ferro-silico aluminium calcium oxide is flyash, thin cinder with 2：1
Weight ratio mix.
Useless mud moisture content after special curing agent is handled is 4wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 3% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
The preparation method of the dirty mud environment protection type water-permeable brick, comprises the following steps：I, is by each raw materials by weight
Metered stirring container successively；II, adds 15% water and is stirred material；III, compounds are compressing by hydraulic press；
IV, will conserve 48h under the adobe normal temperature of shaping；The dirty mud environment protection type water-permeable brick is made in V, wet curings 8 days.
It is other same as Example 1.
Embodiment 3
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 50%, coarse sand 15%, silicon
Ferro-aluminum calcium oxide 15%, cement 20%；The useless mud is sludge；The ferro-silico aluminium calcium oxide is flyash, thin cinder, ore deposit
Ground-slag and gangue are with 4：2：1：1 weight ratio mixes.
Useless mud moisture content after special curing agent is handled is 5wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 2% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
The preparation method of the dirty mud environment protection type water-permeable brick, comprises the following steps：I, is by each raw materials by weight
Metered stirring container successively；II, adds 20% water and is stirred material；III, compounds are compressing by hydraulic press；
IV, will conserve 24h under the adobe normal temperature of shaping；The dirty mud environment protection type water-permeable brick is made in V, wet curings 7 days.
It is other same as Example 1.
Embodiment 4
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 50%, coarse sand 15%, silicon
Ferro-aluminum calcium oxide 15%, cement 20%；The useless mud is sludge；The ferro-silico aluminium calcium oxide is flyash, thin cinder, ore deposit
Ground-slag and gangue are with 4：2：1：1 weight ratio mixes.
Useless mud moisture content after special curing agent is handled is 6wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 2% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
The preparation method of the dirty mud environment protection type water-permeable brick, comprises the following steps：I, is by each raw materials by weight
Metered stirring container successively；II, adds 5% water and is stirred material；III, compounds are compressing by hydraulic press；Ⅳ.
20h will be conserved under the adobe normal temperature of shaping；The dirty mud environment protection type water-permeable brick is made in V, wet curings 6 days.
It is other same as Example 1.
Embodiment 5
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 45%, coarse sand 20%, silicon
Ferro-aluminum calcium oxide 10%, cement 25%；The useless mud is mud；The ferro-silico aluminium calcium oxide is thin cinder.
Useless mud moisture content after special curing agent is handled is 6wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 8% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
It is other same as Example 4.
Embodiment 6
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 45%, coarse sand 20%, silicon
Ferro-aluminum calcium oxide 10%, cement 25%；The useless mud is sludge and mud with 2：5 weight ratio mixes；The sial
Iron calcium oxide is flyash, slag powders and gangue with 1.5：2：1 weight ratio mixes.
Useless mud moisture content after special curing agent is handled is 4wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 5% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
It is other same as Example 4.
Embodiment 7
A kind of dirty mud environment protection type water-permeable brick, include the raw material of following percentage by weight：Useless mud 55%, coarse sand 15%, silicon
Ferro-aluminum calcium oxide 20%, cement 10%；The useless mud is mud；The ferro-silico aluminium calcium oxide is gangue.
It is other same as Example 4.
Comparative example 1
A kind of water-permeable brick, it is with the difference of embodiment 4：Remove coarse sand, the useless mud 50%, the oxidation of ferro-silico aluminium calcium
Thing 30%, cement 20%.
It is other same as Example 4.
Comparative example 2
A kind of water-permeable brick, it is with the difference of embodiment 4：Useless mud 85%, coarse sand 5%, ferro-silico aluminium calcium oxide
5%, cement 5%.
Useless mud moisture content after special curing agent is handled is 6wt%, then 50 are crossed after press filtration, drying and two pairs of rollers are milled
Mesh sieve obtains mud powder；The content of chitosan is 5% in the special curing agent.
Particle diameter≤1mm of the ferro-silico aluminium calcium oxide.
The grain diameter of coarse sand more than 80% is 1~2mm.
The preparation method of the dirty mud environment protection type water-permeable brick, comprises the following steps：I, is by each raw materials by weight
Metered stirring container successively；II, adds 2% water and is stirred material；III, compounds are compressing by hydraulic press；Ⅳ.
48h will be conserved under the adobe normal temperature of shaping；The dirty mud environment protection type water-permeable brick is made in V, wet curings 10 days.
It is other same as Example 4.
Comparative example 3
A kind of water-permeable brick, it is with the difference of embodiment 4：The special curing agent be swelled ground, polypropylene fibre,
Ferric trichloride, cement, the mixture of quick lime.
It is other same as Example 4.
The water-permeable brick of embodiment 1~7, comparative example 1~3 is subjected to compression strength, rupture strength, freeze proof according to company standard
Melting property, wearability and heavy metals immobilization measure of merit, it is as shown in the table to obtain result：
Above test result shows, the water penetration of dirty mud environment protection type water-permeable brick prepared by the embodiment of the present invention 1~8, resists
Folding intensity, freeze-thaw resistance, wearability are above the respective performances of comparative example water-permeable brick, wherein the water-permeable brick best performance of embodiment 4.
Compared with Example 4, due to being free of coarse sand in comparative example 1, the water-permeable brick inside grading of aggregates that comparative example 1 obtains is or not comparative example 1
Rationally cause that the rupture strength of brick finished product is relatively low, and water penetration is poor；Compared with Example 4, the content for the mud that gives up is higher for comparative example 2,
Be difficult to form good grading with other raw materials, cause the water permeability of water-permeable brick poor, and freeze-thaw resistance, anti-wear performance compared with
Difference, finished product are stablized poor；Comparative example 3 compared with Example 4, curing agent not chitosan-containing, in water-permeable brick Leaching of Heavy Metals amount compared with
Height, it is as larger to human injury in do not handled, it should not promote the use of, be advantageously reduced using the curing agent of chitosan-containing in water-permeable brick
The leaching content of heavy metal, curing heavy metal effect are good.
In summary, the present invention prepare water-permeable brick water penetration, rupture strength, freeze-thaw resistance and it is wear-resisting survey performance compared with
It is good, and the relatively low odorless of Leaching of Heavy Metals amount in water-permeable brick, Environmental Safety, and low production cost, it is easy to extensive batch
Production, can be used as sponge urban construction new pavement materials'use；Realize twice laid and solve mud/sludge with comprehensive
Conjunction utilization rate is low, the present situation of pollution environment, solves the shortage problem of sponge city new material again.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, can be with
A variety of changes, modification can be carried out to these embodiments, replace without departing from the principles and spirit of the present invention by understanding
And modification, the scope of the present invention is defined by the appended.
Claims (9)
1. a kind of dirty mud environment protection type water-permeable brick, it is characterised in that include the raw material of following percentage by weight：Useless mud 40~
70%, coarse sand 5~25%, ferro-silico aluminium calcium oxide 5~25%, cement 10~30%；The useless mud is mud or/and sludge；
The ferro-silico aluminium calcium oxide is one or more mixtures in flyash, thin cinder, slag powders or gangue.
2. a kind of dirty mud environment protection type water-permeable brick according to claim 1, it is characterised in that including following percentage by weight
Raw material：Useless mud 50~60%, coarse sand 10~20%, ferro-silico aluminium calcium oxide 10~20%, cement 15~25%.
3. a kind of dirty mud environment protection type water-permeable brick according to claim 2, it is characterised in that including following percentage by weight
Raw material：Useless mud 50%, coarse sand 15%, ferro-silico aluminium calcium oxide 15%, cement 20%.
4. a kind of dirty mud environment protection type water-permeable brick according to claim 1, it is characterised in that the useless mud is through solidifying
Moisture content is≤15% after agent processing, then crosses 50 mesh sieves after press filtration, drying and two pairs of rollers are milled and obtain mud powder；The solidifying
The content of chitosan is 2~8% in agent.
A kind of 5. dirty mud environment protection type water-permeable brick according to claim 1, it is characterised in that the ferro-silico aluminium calcium oxide
Particle diameter≤1mm.
A kind of 6. dirty mud environment protection type water-permeable brick according to claim 1, it is characterised in that the ferro-silico aluminium calcium oxide
It is flyash, thin cinder, slag powders and gangue with 4：2：1：1 weight ratio mixes.
A kind of 7. dirty mud environment protection type water-permeable brick according to claim 1, it is characterised in that the coarse sand more than 80%
Grain particle diameter is 1~2mm.
8. the preparation method of any dirty mud environment protection type water-permeable brick of claim 1~7, it is characterised in that including following step
Suddenly：I, is by each raw materials by weight successively metered stirring container；II, adds 2~20% water and is stirred material；
III, compounds are compressing by hydraulic press；IV, will conserve 12~48h under the adobe normal temperature of shaping；V, wet curings 5~10
The dirty mud environment protection type water-permeable brick is made in it.
9. according to claim 8, the preparation method of dirty mud environment protection type water-permeable brick, it is characterised in that adobe normal temperature conserves
After 24h, wet curing 7 days.
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| CN201710924445.2A CN107572928B (en) | 2017-09-30 | 2017-09-30 | Sludge environment-friendly water permeable brick and preparation method thereof |
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| CN201710924445.2A CN107572928B (en) | 2017-09-30 | 2017-09-30 | Sludge environment-friendly water permeable brick and preparation method thereof |
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| CN107572928B CN107572928B (en) | 2020-06-02 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109293313A (en) * | 2018-11-24 | 2019-02-01 | 深圳市深广通环保建材有限公司 | A kind of brick made of mud and its preparation process |
| CN113024203A (en) * | 2021-03-16 | 2021-06-25 | 河南理工大学 | Baking-free brick with fissure clay as main raw material and preparation method thereof |
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| KR100826258B1 (en) * | 2007-01-03 | 2008-04-29 | (주)두영티앤에스 | Material for reducing ground resistance using rapidly curable inorganic material |
| CN103664126A (en) * | 2012-09-20 | 2014-03-26 | 深圳市海川实业股份有限公司 | Sludge curing treatment agent and method for treating sludge by use of curing treatment agent |
| CN106565174A (en) * | 2016-11-11 | 2017-04-19 | 唐健发 | Water permeable brick and preparation method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100826258B1 (en) * | 2007-01-03 | 2008-04-29 | (주)두영티앤에스 | Material for reducing ground resistance using rapidly curable inorganic material |
| CN103664126A (en) * | 2012-09-20 | 2014-03-26 | 深圳市海川实业股份有限公司 | Sludge curing treatment agent and method for treating sludge by use of curing treatment agent |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109293313A (en) * | 2018-11-24 | 2019-02-01 | 深圳市深广通环保建材有限公司 | A kind of brick made of mud and its preparation process |
| CN113024203A (en) * | 2021-03-16 | 2021-06-25 | 河南理工大学 | Baking-free brick with fissure clay as main raw material and preparation method thereof |
| CN113024203B (en) * | 2021-03-16 | 2022-06-03 | 河南理工大学 | Baking-free brick with fissure clay as main raw material and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN107572928B (en) | 2020-06-02 |
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