CN107556034A - Environment-friendly type autoclave aerated concrete building block - Google Patents
Environment-friendly type autoclave aerated concrete building block Download PDFInfo
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- CN107556034A CN107556034A CN201710749339.5A CN201710749339A CN107556034A CN 107556034 A CN107556034 A CN 107556034A CN 201710749339 A CN201710749339 A CN 201710749339A CN 107556034 A CN107556034 A CN 107556034A
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Abstract
The invention discloses a kind of environment-friendly type autoclave aerated concrete building block, it is made up of following raw material：5~10 parts of fresh mint, 5~10 parts of fresh climbing groundsel, 20~30 parts of lead zinc, 10~15 parts of desulfurization ash, 15~25 parts of cement, 10~12 parts of bamboo charcoal, 0.07~0.16 part of foaming agent, 24~34 parts of water; pass through broken, stirring, moulding by casting; the quiet processes such as precuring, upset cutting, steam press maintenance of stopping make and obtained; peppermint and climbing groundsel are with the addition of in dispensing; make the building block that there is the aromatic odor of plant; also possess preferable antibacterial and bactericidal effect; and the radioactivity of building block is reduced, protect the body of building block direct labor and installer；Addition bamboo charcoal makes the poisonous and harmful substances such as the adsorbable indoor formaldehyde of the building block of production, benzene, ammonia, decomposes the peculiar smell in air, protects the health of indoor resident family, it is a kind of environment-friendly building materials, has preferable ecological benefits.
Description
Technical field
The present invention relates to build concrete building block, particularly a kind of environment-friendly type autoclave aerated concrete building block.
Background technology
Air-entrained concrete building block is a kind of new wall material, and it is unique in that it is a kind of very light-duty
The building walling of insulation.Air-entrained concrete building block is more to be applied in architectural engineering in the form of Prefabricated, can be assembled
Three layers or three layers of load bearing wall with lower room, it can also be used as industrial premises, multilayer, the non-bearing filling of high-rise frame structure building
Wall materials'use.Compared with traditional clay sintering brick, although air-entrained concrete building block low intensity is a little, its product into
This is relatively low, and building deadweight, high insulating effect can be greatly lowered.Clay solid brick has used thousands of years simultaneously, bakes bricks and ruins
A large amount of arable lands.Clay solid brick is replaced with waste residue air-entrained concrete building block, it is possible to is reduced shoveling of baking bricks and is ruined field, while realizes useless
The recycling of slag, reduce the pollution of environment.It is national now to clay solid brick carry out forbid stopping production, gradually take
And instead of be exactly air-entrained concrete building block.Therefore air-entrained concrete building block has turned into the leading showpiece of building material industry, will
Its higher use value and broad development prospect can more and more be shown.
But there are the following problems during producing with use for most air-entrained concrete building blocks：First, because aerating mixes
Solidifying earth building blocks add the raw material such as various industrial residues and lime in preparation process, cause building block to give out pungent smell,
And possess certain radioactivity, the body of building block direct labor and installer are damaged, while it is put into after wall still
Penetrating odor can be given out, causes IAQ to be deteriorated；Second, for air-entrained concrete building block after wall is put into, its is right
Be cast in its surface cement and paint caused formaldehyde, benzene, ammonia etc. are poisonous between the coating for wall surface of cement surface, have
Evil material causes these harmful substances to disperse for a long time indoors, has a strong impact on that the body of resident family is good for without any suction-operated
Health；3rd, because ordinary air-entrained concrete building block does not possess the effect of antibacterial, it is in wall due in dark moist ring
Border or because external wall seepage, causes the growth of a large amount of bacteriums, wall can be allowed to go mouldy, and then produce germ and endanger indoor human body
Health.
The content of the invention
It is an object of the invention to provide a kind of environment-friendly type autoclave aerated concrete building block and preparation method thereof, building block tool
There is the aromatic odor of plant, protect the health of building block direct labor and installer, be that it creates one well
Working environment.The building block can be in adsorption chamber formaldehyde, benzene, the poisonous and harmful substances such as ammonia, and reduce in block material due to adding
The radioactivity that processing industry slag is brought, while preferable antibiotic property and bactericidal effect are also equipped with, it is effectively protected indoor resident family
Health, a kind of its environment-friendly building materials of can yet be regarded as, there is preferable ecological benefits and economic benefit.
The purpose of the present invention and solves its technical problem underlying using following technical scheme to realize：A kind of environment-friendly type
Autoclave aerated concrete building block, it is characterised in that：By weight, it is made up of following raw material：It is 5~10 parts of fresh mint, fresh
5~10 parts of climbing groundsel, 20~30 parts of lead zinc, 10~15 parts of desulfurization ash, 15~25 parts of cement, 10~12 parts of bamboo charcoal, hair
0.07~0.16 part of gas agent, 24~34 parts of water, are made up of following steps：
(1) selection fresh mint, fresh climbing groundsel, which are put into disintegrating machine, crushes 5~8min, obtains A product；
(2) lead zinc, desulfurization ash and water are put into homogenizer and stir 12~17min, add cement and bamboo
Charcoal stirs 20~25min, is eventually adding A product and stirs 20~25min, and B product are obtained after mixture is stood into 5min；
(3) B product and foaming agent are put into homogenizer and stir 8~12min, mixing is made slurry, obtains C product；
(4) C product are poured into moulding by casting in mould, stops precuring 3~4 hours, upset cutting, steam press maintenance 9~11 through quiet
Hour obtains finished product.
Described peppermint is Labiatae perennial root fragrance herbaceous plant.
The herb or whole herb with root that it is composite family Senecio plant climbing groundsel that described climbing groundsel, which is,.
Described lead zinc is caused lime-ash gained after broken, grinding, screening after lead-zinc ore is smelted, described
Lead zinc particle diameter≤0.04mm.
Described desulfurization ash is that the caused lime-ash after steel works sintering kiln gas dry desulfurization passes through broken, grinding, sieve
Gained, the desulfurization ash particle diameter≤0.04mm after point.
Described cement is Portland cement, slag cements.
Described bamboo charcoal is using 3 years raw above high mountain mao bamboons as raw material, after nearly thousand degree of high-temperature firings, then through broken, powder
Gained after mill, screening, the bamboo charcoal particle diameter≤0.05mm.
Described foaming agent refers to aluminium powder or aluminium powder cream.
Selected materials of the present invention：
Peppermint is a category of Labiatae, and comprising 25 kinds, wherein peppermint (Peppermint) and spearmint is most normal
Kind, and the separate sources of plant makes peppermint have more than the 600 kinds of name of an article.Earliest period is in European-Mediterranean Area and West Asia continent
One band abounds with.The current main place of production is the U.S., Spain, Italy, France, Britain, Balkan Peninsula etc., and Asia also has
Place plantation, and most of China local such as Jiangsu, Zhejiang, Jiangxi produce.Peppermint is Labiatae perennial root
The aerial part of herbaceous plant Mentha peppermint, it is a kind of fragrant crop for having extraordinary economic value.Peppermint contained by its inside
Brain (Hexahydrothymol) has very strong bactericidal action.
Climbing groundsel, be the herb or whole herb with root of composite family Senecio plant climbing groundsel, be born in Changbai Mountain height above sea level 400~
900m gully, border and wetland grassy marshland etc..The effect of herb is pharmaceutically acceptable, there is clearing heat and detoxicating, scattered blood detumescence, and desinsection is antipruritic.
Its herb is containing substantial amounts of flavoxanthin (flavoxanthin), chrysanthemaxanthin (Chrysanthemaxanthin), also containing aureine
Alkali (senecionine), senlciphylline (seneciphylline) and hydrogen ester (hydroquinone), p- hydroxy benzenes second
Sour (p-hydroxyphenylacetic acid), vanillic acid (vanillic acid), salicylic acid (salicylic acid),
Pyromucyl acid (pyromucic acid).It has stronger antibacterial action to will Hayes dysentery bar mattress and staphylococcus aureus, to wound
The bacillus such as cold, paratyphoid A, paratyphoid B, dysentery (Freund, Boydii, sonnei), large intestine, deformation, cured sample anthrax, and eight is folded
Coccus all has inhibitory action.
Bamboo charcoal is a kind of charcoal for being formed through nearly thousand degree of high-temperature firings using 3 years raw above high mountain mao bamboons as raw material.Bamboo charcoal has
There is loose porous structure, its molecule is fine and closely woven porous, and quality is hard.Have very strong adsorption capacity, can purify air, eliminate it is different
Taste, moisture absorption be mould proof, antibacterial expelling parasite.Bamboo charcoal molecular structure is in hexagon, and quality is hard, fine and closely woven porous, and absorption power is strong, is had stronger
Adsorption function because carbonaceous has countless holes in itself, this carbonaceous stomata can effectively adsorb in air one
Divide suspended solid, absorption, decomposition peculiar smell and smelly eliminating are played to harmful chemicals such as sulfide, hydride, methanol, benzene, phenol and is made
With especially nanometer is lived a kind of ore activated carbon of ore.In building decoration, bamboo charcoal is placed under building bottom or floor,
With moistureproof, mould proof, insect prevention, improve the effect of environment.Bamboo charcoal powder processes for building coating, and prospect is boundless.
The present invention has clear advantage and beneficial effect compared with prior art.From above technical scheme, this hair
It is bright to have following characteristics：
(1) present invention adds peppermint and two kinds of fragrant plants of climbing groundsel in dispensing, the building block is had the fragrance of plant
Smell, and no longer send in common building block due to adding industrial residue and lime, the sharp aroma brought, protect building block to produce
Worker and the health of installer, a good working environment is created for it.
(2) present invention adds peppermint and two kinds of plants of climbing groundsel in dispensing, because both plants are respectively provided with preferably
Antibacterial and bactericidal effect, building block is possessed preferable antibiotic property and bactericidal effect, can effectively prevent wall from going mouldy what is brought
Bacteria growth problems, protect the health of indoor resident family.
(3) present invention adds peppermint and two kinds of plants of climbing groundsel in dispensing, and it can obstruct radioactive substance and radiation
Propagate, and the effect of filtering absorption of can be played, effectively reduce industrial slag raw material in autoclave aerated concrete building block and add
The problem of material radioactivity brought is high, protect the health of indoor resident family.
(4) present invention adds bamboo charcoal in dispensing, the features such as using its porous, larger specific surface area, makes production
The poisonous and harmful substances such as the adsorbable indoor formaldehyde of building block, benzene, ammonia, decompose air in peculiar smell, but also can play every
Sound, heat-insulated, waterproof, dehumidifying, deodorization and other effects.
(5) inventive formulation is reasonable, and preparation method is reasonable and is easy to grasp, and the block strength made is very high (to be can reach
More than 5MPa), reach the standard of national build concrete building block.Be readily produced, with short production cycle, production cost is low,
The characteristics of good product effect.
Embodiment
Below in conjunction with preferred embodiment, to being embodied according to environment-friendly type autoclave aerated concrete building block proposed by the present invention
Mode, feature and its effect, describe in detail as after.
A kind of environment-friendly type autoclave aerated concrete building block, it is characterised in that：By weight, it is made up of following raw material：Newly
Fresh 5~10 parts of peppermint, 5~10 parts of fresh climbing groundsel, 20~30 parts of lead zinc, 10~15 parts of desulfurization ash, cement 15~25
Part, 10~12 parts of bamboo charcoal, 0.07~0.16 part of foaming agent, 24~34 parts of water, are made up of following steps：
(1) selection fresh mint, fresh climbing groundsel, which are put into disintegrating machine, crushes 5~8min, obtains A product；
(2) lead zinc, desulfurization ash and water are put into homogenizer and stir 12~17min, add cement and bamboo
Charcoal stirs 20~25min, is eventually adding A product and stirs 20~25min, and B product are obtained after mixture is stood into 5min；
(3) B product and foaming agent are put into homogenizer and stir 8~12min, mixing is made slurry, obtains C product；
(4) C product are poured into moulding by casting in mould, stops precuring 3~4 hours, upset cutting, steam press maintenance 9~11 through quiet
Hour obtains finished product.
Described peppermint is Labiatae perennial root fragrance herbaceous plant.
The herb or whole herb with root that it is composite family Senecio plant climbing groundsel that described climbing groundsel, which is,.
Described lead zinc is caused lime-ash gained after broken, grinding, screening after lead-zinc ore is smelted, described
Lead zinc particle diameter≤0.04mm.
Described desulfurization ash is that the caused lime-ash after steel works sintering kiln gas dry desulfurization passes through broken, grinding, sieve
Gained, the desulfurization ash particle diameter≤0.04mm after point.
Described cement is Portland cement, slag cements.
Described bamboo charcoal is using 3 years raw above high mountain mao bamboons as raw material, after nearly thousand degree of high-temperature firings, then through broken, powder
Gained after mill, screening, the bamboo charcoal particle diameter≤0.05mm.
Described foaming agent refers to aluminium powder or aluminium powder cream.
Embodiment 1：
A kind of environment-friendly type autoclave aerated concrete building block, is made up of following steps：
(1) selection 5Kg fresh mints, the fresh climbing groundsels of 5Kg, which are put into disintegrating machine, crushes 5min, obtains A product；
(2) 20Kg lead zincs, 10Kg desulfurization ash and 24Kg water are put into homogenizer stirring 12min, added
15Kg cement and 10Kg bamboo charcoals stirring 20min, are eventually adding A product stirring 20min, B product are obtained after mixture is stood into 5min；
(3) B product and 0.07Kg foaming agent are put into homogenizer stirring 8min, mixing is made slurry, obtains C product；
(4) C product are poured into moulding by casting in mould, through it is quiet stop precuring 3 hours, upset cutting, steam press maintenance 9 hours into
Product.
Embodiment 2：
A kind of environment-friendly type autoclave aerated concrete building block, is made up of following steps：
(1) selection 8Kg fresh mints, the fresh climbing groundsels of 8Kg, which are put into disintegrating machine, crushes 7min, obtains A product；
(2) 25Kg lead zincs, 12Kg desulfurization ash and 28Kg water are put into homogenizer stirring 15min, added
20Kg cement and 11Kg bamboo charcoals stirring 22min, are eventually adding A product stirring 22min, B product are obtained after mixture is stood into 5min；
(3) B product and 0.12Kg foaming agent are put into homogenizer stirring 10min, mixing is made slurry, obtains C product；
(4) C product are poured into moulding by casting in mould, stops precuring 3.5 hours, upset cutting, steam press maintenance 10 hours through quiet
Obtain finished product.
Embodiment 3：
A kind of environment-friendly type autoclave aerated concrete building block, is made up of following steps：
(1) selection 10Kg fresh mints, the fresh climbing groundsels of 10Kg, which are put into disintegrating machine, crushes 8min, obtains A product；
(2) 30Kg lead zincs, 15Kg desulfurization ash and 34Kg water are put into homogenizer stirring 17min, added
25Kg cement and 12Kg bamboo charcoals stirring 25min, are eventually adding A product stirring 25min, B product are obtained after mixture is stood into 5min；
(3) B product and 0.16Kg foaming agent are put into homogenizer stirring 12min, mixing is made slurry, obtains C product；
(4) C product are poured into moulding by casting in mould, stops precuring 4 hours, upset cutting, steam press maintenance 11 hours through quiet
Finished product.
Inventor according to《Autoclave aerated concrete building block》(GB11968-2006) standard, embodiment 1-3 steam pressure is added
Gas concrete segment finished product is detected, by its with conventionally produced building block (under same process parameter and technological process
It is added without peppermint and climbing groundsel and is changed into the lead zinc with proportioning, is added without bamboo charcoal and is changed into the stone with proportioning
Ash, the building block of gained) compare, its detection is as shown in table 1 with comparing result.
The building block finished product detection data of table 1
As shown in Table 1, the building block that present invention process is processed to obtain meets national product requirement, and its compression strength, dry
Density equal strength index is better than traditional building block, and building block obtained by additional embodiment 1-3 is put in External Exposure Index and Outreach services etc.
Penetrating property index is significantly better than traditional building block, illustrates that the building block can effectively reduce industrial slag in autoclave aerated concrete building block
Raw material adds the problem of material radioactivity brought is high.
Inventor respectively chooses 10 building block direct labors with installer as sensory evaluation person, and gives training.Sense organ
Appraise person is normal by the sensorium such as health, vision, smell, the sense of taste and tactile, and does not have in face of evaluated building block
The people of taboo serves as.And by building block finished product of the sensory evaluation person to embodiment 1-3 and conventionally produced building block (in same work
Peppermint and climbing groundsel are added without under skill parameter and technological process and is changed into the lead zinc with proportioning, be added without bamboo charcoal and incite somebody to action
It changes the lime with proportioning, the building block of gained into) compare, sensory evaluation is carried out, evaluation criterion is shown in Table 2, and evaluation result is shown in Table
3。
The sensory evaluation scores standard of table 2
The sensory evaluation scores result of table 3
As shown in Table 3, the present invention make gained building block there is the aromatic odor of plant, and no longer send in traditional building block by
In adding industrial residue and lime, the sharp aroma brought, direct labor is allowed to have preferable experience with installer.Realize
The target of the present invention.
Inventor is using the building block finished product obtained by embodiment 1-3 with conventionally produced building block (in same process parameter
Changed into the lead zinc with proportioning with being added without peppermint and climbing groundsel under technological process, be added without bamboo charcoal and changed into
With the lime of proportioning, the building block of gained) length is built respectively respectively between 2.5 meters of house one, and into closed house
The formaldehyde, benzene, ammonia pernicious gas of same concentration are passed through in the same time, after 72h, according to《Indoor Air Quality standards》(GB/
T18883-2002) air quality, related data are as shown in table 4 in relevant criterion detection house.
The room air of table 4 detects data
As shown in Table 4, the present invention makes formaldehyde, benzene, ammonia that gained building block more traditional building block more can be in adsorption chamber etc. and had
Poison, harmful substance, the peculiar smell in air is decomposed, realized the target of the present invention.
Inventor by the building block finished product obtained by embodiment 1-3 and conventionally produced building block (same process parameter with
Peppermint and climbing groundsel are added without under technological process and is changed into the lead zinc with proportioning, bamboo charcoal is added without and is changed into same
The lime of proportioning, the building block of gained) be soaked in water respectively after 36h, then place it in shady place 20 days, after from block surfaces with it is interior
Portion takes same position, the section with quantity and size to carry out pathogenic bacteria detection with pathogenic bacteria detector, and final detection result is (each to cut
Piece testing result weighted average) as shown in table 5.
The building block pathogenic bacteria of table 5 detect data
As shown in Table 5, the present invention, which makes the gained more traditional building block of building block, has more preferable antibiotic property and bactericidal effect,
Realize the target of the present invention.
The invention has the characteristics that：
First, the present invention adds peppermint and two kinds of fragrant plants of climbing groundsel in dispensing, make the building block that there is the virtue of plant
Fragrance taste, and no longer send in common building block due to adding industrial residue and lime, the sharp aroma brought, protect building block to give birth to
The body of worker and installer are produced, a good working environment is created for it.
Second, the present invention adds peppermint and two kinds of plants of climbing groundsel in dispensing, because both plants are respectively provided with preferably
Antibiotic property and bactericidal effect, building block is possessed preferable antibiotic property and bactericidal effect, can effectively prevent wall from going mouldy band
The bacteria growth problems come, protect the health of indoor resident family.
Third, the present invention adds peppermint and two kinds of plants of climbing groundsel in dispensing, it can obstruct radioactive substance and radiation
Propagation, and the effect of filtering absorption of can be played, effectively reduce industrial slag raw material in autoclave aerated concrete building block and add
Enter the problem of material radioactivity brought is high, protect the health of indoor resident family.
Fourth, the present invention adds bamboo charcoal in dispensing, the features such as using its porous, larger specific surface area, make production
The adsorbable indoor formaldehyde of building block, benzene, the poisonous and harmful substances such as ammonia, decompose the peculiar smell in air, but also can play every
Sound, heat-insulated, waterproof, dehumidifying, deodorization and other effects.
Fifth, inventive formulation is reasonable, preparation method is reasonable and is easy to grasp, and the block strength made is very high (to be can reach
More than 5MPa), reach the standard of national build concrete building block.Be readily produced, with short production cycle, production cost is low,
The characteristics of good product effect.
The above described is only a preferred embodiment of the present invention, not making any formal limitation to the present invention, appoint
Without departing from technical solution of the present invention content, what the technical spirit according to the present invention was made to above example any simply repaiies for what
Change, equivalent variations and modification, in the range of still falling within technical solution of the present invention.
Claims (8)
- A kind of 1. environment-friendly type autoclave aerated concrete building block, it is characterised in that：By weight, it is made up of following raw material：It is fresh 5~10 parts of peppermint, 5~10 parts of fresh climbing groundsel, 20~30 parts of lead zinc, 10~15 parts of desulfurization ash, 15~25 parts of cement, 10~12 parts of bamboo charcoal, 0.07~0.16 part of foaming agent, 24~34 parts of water, are made up of following steps：（1）Selection fresh mint, fresh climbing groundsel, which are put into disintegrating machine, crushes 5~8min, obtains A product；（2）Lead zinc, desulfurization ash and water are put into homogenizer and stir 12~17min, cement is added and bamboo charcoal stirs 20~25min is mixed, A product is eventually adding and stirs 20~25min, B product are obtained after mixture is stood into 5 min；（3）B product and foaming agent are put into homogenizer and stir 8~12min, mixing is made slurry, obtains C product；（4）C product are poured into moulding by casting in mould, stop precuring 3~4 hours, upset cutting, steam press maintenance 9~11 hours through quiet Obtain finished product.
- 2. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described peppermint is Labiatae Perennial root fragrance herbaceous plant.
- 3. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：It is chrysanthemum that described climbing groundsel, which is, The herb or whole herb with root of section's Senecio plant climbing groundsel.
- 4. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described lead zinc is lead Caused lime-ash is obtained by after broken, grinding, screening after zinc ore is smelted, the mm of the lead zinc particle diameter≤0.04.
- 5. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described desulfurization ash is steel Caused lime-ash after the sintering furnace flue gas dry desulfurizing of the ironworks gained after broken, grinding, screening, the desulfurization ash particle diameter≤ 0.04 mm。
- 6. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described cement is ordinary silicon Acid salt cement, slag cements.
- 7. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described bamboo charcoal is with 3 years Raw above high mountain mao bamboon is raw material, after nearly thousand degree of high-temperature firings, then the gained after broken, grinding, screening, the bamboo charcoal particle diameter ≤0.05mm。
- 8. environment-friendly type autoclave aerated concrete building block as claimed in claim 1, it is characterised in that：Described foaming agent refers to aluminium Powder or aluminium powder cream.
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| CN201710749339.5A CN107556034A (en) | 2017-08-28 | 2017-08-28 | Environment-friendly type autoclave aerated concrete building block |
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| CN201710749339.5A CN107556034A (en) | 2017-08-28 | 2017-08-28 | Environment-friendly type autoclave aerated concrete building block |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249956A (en) * | 2018-03-24 | 2018-07-06 | 广州市佑佳加气混凝土制品有限公司 | A kind of production method of autoclave aerated concrete building block |
| CN108840719A (en) * | 2018-09-11 | 2018-11-20 | 台山市河朗新型环保建材有限公司 | A kind of concrete brick and preparation method thereof that the anticorrosive service life is long |
| CN113387628A (en) * | 2021-07-29 | 2021-09-14 | 怀化学院 | Slag concrete |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503058A (en) * | 2015-09-09 | 2016-04-20 | 杭州来宝得新材料科技有限公司 | Thermal insulation concrete building block |
-
2017
- 2017-08-28 CN CN201710749339.5A patent/CN107556034A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105503058A (en) * | 2015-09-09 | 2016-04-20 | 杭州来宝得新材料科技有限公司 | Thermal insulation concrete building block |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108249956A (en) * | 2018-03-24 | 2018-07-06 | 广州市佑佳加气混凝土制品有限公司 | A kind of production method of autoclave aerated concrete building block |
| CN108249956B (en) * | 2018-03-24 | 2020-03-20 | 广州市佑佳加气混凝土制品有限公司 | Manufacturing method of autoclaved aerated concrete block |
| CN108840719A (en) * | 2018-09-11 | 2018-11-20 | 台山市河朗新型环保建材有限公司 | A kind of concrete brick and preparation method thereof that the anticorrosive service life is long |
| CN113387628A (en) * | 2021-07-29 | 2021-09-14 | 怀化学院 | Slag concrete |
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