CN107365165A - A kind of gold tailings autoclave aerated concrete building block and its production technology - Google Patents
A kind of gold tailings autoclave aerated concrete building block and its production technology Download PDFInfo
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- CN107365165A CN107365165A CN201710655373.6A CN201710655373A CN107365165A CN 107365165 A CN107365165 A CN 107365165A CN 201710655373 A CN201710655373 A CN 201710655373A CN 107365165 A CN107365165 A CN 107365165A
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- 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
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- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/02—Selection of the hardening environment
- C04B40/024—Steam hardening, e.g. in an autoclave
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- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/40—Porous or lightweight materials
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/20—Mortars, concrete or artificial stone characterised by specific physical values for the density
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- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
- C04B2201/00—Mortars, concrete or artificial stone characterised by specific physical values
- C04B2201/50—Mortars, concrete or artificial stone characterised by specific physical values for the mechanical strength
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Toxicology (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention discloses a kind of gold tailings autoclave aerated concrete building block and its production technology, the concrete segment includes following raw material：400~450 parts of gold tailings, 17~19 parts of desulfurated plaster, 80~100 parts of cement, 80~100 parts of lime, 0.5~0.6 part of aluminium powder, 10~30 parts of fibers from banana stem, 3~5 parts of crab shell, 1~3 part of polypropylene milling amine, 4~6 parts of tripoli, 40~60 parts of bamboo charcoal.Air-entrained concrete building block produced by the present invention in compression strength, bulk density, dry shrinkage, frost resistance, thermal conductivity factor etc. function admirable, there is preferable heat-insulated, heat-insulating property, material is slim and graceful, and resistance to compression, freeze proof, shock resistance is strong.
Description
Technical field
The present invention relates to technical field of buildings, more particularly to a kind of gold tailings autoclave aerated concrete building block and its production
Technique.
Background technology
Sand aerated concrete block is a kind of widely used novel wall material, is usually with sand, cement, lime etc.
Raw material is made；Wherein husky ratio often accounts for 70%.One air-entrained concrete building block factory for producing 200000 cubes per year, year consumption sand
Resource is up to more than 100,000 tons.When gold tailings are that gold mine extracts gold from, waste residue that grinding gold ore leaves；One daily production
200 tons of gold mine, 70,000 tons of gold tailings can be produced within 1 year.Sand production sand aerated concrete is substituted using gold tailings to build
The technique of block, sand can be completely dispensed with；Further, since gold tailings have already passed through ball milling, can be eliminated in production technology
The link of sand ball milling；One sand aerated concrete block factory for producing 200000 cubes per year, can economize on electricity more than 2,000,000 degree every year.
Because gold tailings are discarded objects, reduce electric cost expenditure again without ball milling, so this technique does not only have comprehensive utilization of resources
Meaning, or enterprise brings economic benefit.And existing gold tailings sand aerated concrete block, often exist it is heat-insulated,
Insulation, resistance to compression, it is freeze proof, shock resistance is not excellent enough the problem of.
The content of the invention
In view of this, the invention provides a kind of gold tailings autoclave aerated concrete building block and its production technology, solve
Above-mentioned technical problem.
The technological means that the present invention uses is as follows：A kind of gold tailings autoclave aerated concrete building block, including following weight
Part raw material：400~450 parts of gold tailings, 17~19 parts of desulfurated plaster, 80~100 parts of cement, 80~100 parts of lime, aluminium powder
0.5~0.6 part, 10~30 parts of fibers from banana stem, 3~5 parts of crab shell, 1~3 part of polypropylene milling amine, 4~6 parts of tripoli, bamboo charcoal 40
~60 parts.
Further, 412 parts of the gold tailings, 18 parts of desulfurated plaster, 90 parts of cement, 90 parts of lime, 0.55 part of aluminium powder,
2 parts of 20 parts of fibers from banana stem, 4 parts of crab shell and polypropylene milling amine, 5 parts of tripoli, 50 parts of bamboo charcoal.
The present invention also provides a kind of production technology of gold tailings autoclave aerated concrete building block, comprises the following steps：
S1, fibers from banana stem is crushed to 50~100 mesh；
S2, by crab shell saline sook, rear drying, crush, obtain crab shell powder；
S3, gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, tripoli are added to stirring pool, injection water, through abundant
Stirring, the raw material that density is 1.50~1.60g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, polypropylene milling amine are sequentially added to step S3, are added additional
Water, it is sufficiently stirred, then is passed through high-temperature vapor, when temperature reaches 46~48 DEG C, is poured into framed；
S5, it is quiet stop 1.5~2.5h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings is sent into 1.2~1.3MPa still kettles, constant temperature 6~9h of steam pressure, obtains aerating
Concrete segment.
Further, in step S2, the mass concentration of the salt solution is 4~6%NaCl solution, and soak time is 1~2h.
Further, in step S4, the external adding water is 20~100 parts using parts by weight.
Further, in step S4, the temperature of the high-temperature vapor is 100~130 DEG C.
Further, in step S6, the steam pressure temperature is 190~210 DEG C.
Compared with prior art, the beneficial effects of the invention are as follows：The present invention utilizes polypropylene milling amine and tripoli by each component
Effectively integrated so that space net structure is formed after each component interaction, improves the various aspects of performance of concrete segment,
Recycle fibers from banana stem made from discarded banana stalk to play synergy with above-mentioned space net structure, further strengthen
The performance of product, using the calcium component of crab shell in discarded object, further enhance performance；Bamboo carbon powder is added, further increases product
Porosity, strengthen the intensity of product；The waste residue gold tailings of the present invention replace sand, reduce and adopt the husky destruction to environment, and
The effectively performance of enhancing product；The desulfurated plaster of the present invention participates in the hydration reaction of cement, adjusts the setting time of cement, prevents
Fast coagulation phenomena occurs for cement；The lime of the present invention provides effective calcium oxide, further improves the intensity of product；The aluminium powder of the present invention
Chemically reacted in slurry, release gas and form tiny and uniform bubble, further promote product formation loose structure,
Improve material merrily and lightheartedly and there is higher intensity.The production technology of the present invention is further enhanced product performance.
Embodiment
The principles and features of the present invention are described below, and illustrated embodiment is served only for explaining the present invention, is not intended to
Limit the scope of the present invention.
Embodiment 1
A kind of gold tailings autoclave aerated concrete building block, including following raw material：400 parts of gold tailings, desulfurization
17 parts of gypsum, 80 parts of cement, 80 parts of lime, 0.5 part of aluminium powder, 10 parts of fibers from banana stem, 3 parts of crab shell, 1 part of polypropylene milling amine,
4 parts of tripoli, 40 parts of bamboo charcoal.
Embodiment 2
A kind of gold tailings autoclave aerated concrete building block, including following raw material：450 parts of gold tailings, desulfurization
19 parts of gypsum, 100 parts of cement, 100 parts of lime, 0.6 part of aluminium powder, 30 parts of fibers from banana stem, 5 parts of crab shell, polypropylene milling amine 3
Part, 6 parts of tripoli, 60 parts of bamboo charcoal.
Embodiment 3
A kind of gold tailings autoclave aerated concrete building block, including following raw material：412 parts of gold tailings, desulfurization
18 parts of gypsum, 90 parts of cement, 90 parts of lime, 0.55 part of aluminium powder, 20 parts of fibers from banana stem, 4 parts of crab shell, 2 parts of polypropylene milling amine,
5 parts of tripoli, 50 parts of bamboo charcoal.
The production technology of the gold tailings autoclave aerated concrete building block of above-described embodiment 1~3, comprises the following steps：
S1, fibers from banana stem is crushed to 80 mesh；
S2, by crab shell saline sook, the mass concentration of the salt solution is 5%NaCl solution, soak time 1.5h, after
Drying, crush, obtain crab shell powder；
S3, gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, tripoli are added to stirring pool, injection water, through abundant
Stirring, the raw material that density is 1.55g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, polypropylene milling amine are sequentially added to step S3, add weight
Part is 50 parts of external adding waters, is sufficiently stirred, then is passed through about 120 DEG C of high-temperature vapor, when temperature reaches 47 DEG C, is poured into framed
It is interior；
S5, it is quiet stop 2h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings to be sent into 1.2MPa still kettles, steam pressure temperature is 200 DEG C, constant temperature steam pressure 8h,
Obtain air-entrained concrete building block.
Embodiment 4
The present embodiment and the difference of embodiment 3 be, the production technology of the gold tailings autoclave aerated concrete building block,
Comprise the following steps：
S1, fibers from banana stem is crushed to 50 mesh；
S2, by crab shell saline sook, the mass concentration of the salt solution is 4%NaCl solution, and soak time 1h is rear to dry
Dry, crushing, obtains crab shell powder；
S3, gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, tripoli are added to stirring pool, injection water, through abundant
Stirring, the raw material that density is 1.50g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, polypropylene milling amine are sequentially added to step S3, add weight
Part is 20 parts of external adding waters, is sufficiently stirred, then is passed through about 100 DEG C of high-temperature vapor, when temperature reaches 46 DEG C, is poured into framed
It is interior；
S5, it is quiet stop 1.5h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings to be sent into 1.2MPa still kettles, steam pressure temperature is 190 DEG C, constant temperature steam pressure 9h,
Obtain air-entrained concrete building block.
Embodiment 5
The present embodiment and the difference of embodiment 3 be, the production technology of the gold tailings autoclave aerated concrete building block,
Comprise the following steps：
S1, fibers from banana stem is crushed to 100 mesh；
S2, by crab shell saline sook, the mass concentration of the salt solution is 6%NaCl solution, and soak time 2h is rear to dry
Dry, crushing, obtains crab shell powder；
S3, gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, tripoli are added to stirring pool, injection water, through abundant
Stirring, the raw material that density is 1.60g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, polypropylene milling amine are sequentially added to step S3, add weight
Part is 100 parts of external adding waters, is sufficiently stirred, then is passed through about 130 DEG C of high-temperature vapor, when temperature reaches 48 DEG C, is poured into mould
Inframe；
S5, it is quiet stop 2.5h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings to be sent into 1.3MPa still kettles, steam pressure temperature is 210 DEG C, constant temperature steam pressure 6h,
Obtain air-entrained concrete building block.
Comparative example 1
A kind of gold tailings autoclave aerated concrete building block, including following raw material：412 parts of gold tailings, desulfurization
18 parts of gypsum, 90 parts of cement, 90 parts of lime.
The production technology of above-mentioned gold tailings autoclave aerated concrete building block, comprises the following steps：
S1, by gold tailings, desulfurated plaster add stirring pool, inject water, through being sufficiently stirred, it is 1.55g/cm that density, which is made,
Raw material slurry；
S2, the raw material slurry that cement, lime, aluminium powder are sequentially added to step S3, addition parts by weight are 50 parts of external adding waters, fully
Stirring, then about 120 DEG C of high-temperature vapor is passed through, when temperature reaches 47 DEG C, it is poured into framed；
S3, it is quiet stop 2h, it is quiet stop after cut；
S4, the base substrates of step S5 well cuttings to be sent into 1.2MPa still kettles, steam pressure temperature is 200 DEG C, constant temperature steam pressure 8h,
Obtain air-entrained concrete building block.
Comparative example 2
The difference of this comparative example and embodiment 3 is, in step sl, fibers from banana stem is crushed into 30 mesh；In addition,
In step s 2, the crab shell is soaked with clear water, soak time 1.5h, rear drying, is crushed, is obtained crab shell powder.
Comparative example 3
The difference of this comparative example and embodiment 3 is, prepare the gold tailings autoclave aerated concrete building block include with
Lower step：
S1, fibers from banana stem is crushed to 80 mesh；
S2, by crab shell saline sook, the mass concentration of the salt solution is 5%NaCl solution, soak time 1.5h, after
Drying, crush, obtain crab shell powder；
S3, by gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, polypropylene milling amine add stirring pool, inject water,
Through being sufficiently stirred, the raw material that density is 1.55g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, tripoli are sequentially added to step S3, it is 50 to add parts by weight
Part external adding water, is sufficiently stirred, then is passed through about 120 DEG C of high-temperature vapor, when temperature reaches 47 DEG C, is poured into framed；
S5, it is quiet stop 2h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings to be sent into 1.2MPa still kettles, steam pressure temperature is 200 DEG C,
Constant temperature steam pressure 8h, obtains air-entrained concrete building block.
Above-described embodiment 1~5 and comparative example 1~3 are made into air-entrained concrete building block to be detected, test result is such as
Under：
Above-mentioned test result shows, the compression strength of air-entrained concrete building block, volume made from the embodiment of the present invention 1~5
Density, shrinkage, frost resistance, each excellent performance of thermal conductivity factor are dried, there is preferable heat-insulated, heat-insulating property, material is slim and graceful, resists
Pressure, freeze proof, shock resistance is strong.
Comparative example 1 understands that air-entrained concrete building block compression strength, volume are close made from comparative example 1 with the contrast of embodiment 3
Although degree, dry shrinkage, frost resistance, each performance of thermal conductivity factor are substantially qualified, it is nothing like embodiment 3, shows the present invention
Scientific formula, the larger performance for improving product, especially improve its anti-pressure ability and frost resistance, wherein, the present invention profit
Each component is effectively integrated with polypropylene milling amine and tripoli so that space net structure is formed after each component interaction,
The various aspects of performance of concrete segment is improved, recycles fibers from banana stem and above-mentioned spatial networks made from discarded banana stalk
Structure plays synergy, the performance of enhanced products, using the calcium component of crab shell in discarded object, increases intensity；Add bamboo carbon powder,
Further increase the porosity of product, strengthen the intensity of product；The aluminium powder of the present invention is chemically reacted in slurry, releases gas
Body forms tiny and uniform bubble, further promotes product formation loose structure, and it is slim and graceful and with higher strong to improve material
Degree.
Comparative example 2 understands that air-entrained concrete building block compression strength, volume are close made from comparative example 2 with the contrast of embodiment 3
Degree, dry shrinkage, frost resistance, each performance of thermal conductivity factor are poorer than embodiment 3, show the fibers from banana stem using the present invention
With the pretreatment mode of crab shell, the space net structure for enabling to fibers from banana stem to be formed with other raw materials plays preferably
Synergy, and can more make full use of the active ingredient in crab shell so that properties of product are made more preferably in the later stage.
Comparative example 3 understands that air-entrained concrete building block compression strength, volume are close made from comparative example 3 with the contrast of embodiment 3
Degree, dry shrinkage, frost resistance, each performance of thermal conductivity factor are more poor than embodiment 3, show the technological parameter of the present invention to product
Performance have large effect, wherein, the present invention using raw material slurry in tripoli promote cement, lime, aluminium powder, crab shell powder it is efficient
Mixing, promote the blending of fibers from banana stem, bamboo charcoal and above-mentioned raw materials using polypropylene milling amine.Using the production work of the present invention
Skill, further improve the performances such as the heat-insulated of product, insulation, resistance to compression, freeze proof, antidetonation.
In summary, air-entrained concrete building block produced by the present invention in compression strength, bulk density, dry shrinkage, anti-
Jelly property, thermal conductivity factor etc. function admirable, there is preferable heat-insulated, heat-insulating property, material is slim and graceful, resistance to compression, freeze proof, antidetonation energy
Power is strong.Wherein, the present invention is effectively integrated each component using polypropylene milling amine and tripoli so that after each component interaction
Space net structure is formed, improves the various aspects of performance of concrete segment, recycles banana stalk made from discarded banana stalk
Fiber plays synergy with above-mentioned space net structure, the performance of further enhanced products, utilizes the calcium of crab shell in discarded object
Composition, further enhance performance；Bamboo carbon powder is added, further increases the porosity of product, strengthens the intensity of product；The present invention's
Waste residue gold tailings replace sand, reduce and adopt the husky destruction to environment, and the effectively performance of enhancing product；The desulfurization stone of the present invention
Cream participates in the hydration reaction of cement, adjusts the setting time of cement, prevents cement from fast coagulation phenomena occurs；The lime of the present invention provides
The efficient oxidation calcium, further improve the intensity of product；The aluminium powder of the present invention is chemically reacted in slurry, is released gas and is formed
Tiny and uniform bubble, further promote product formation loose structure, improve material merrily and lightheartedly and there is higher intensity.This hair
Bright production technology is further enhanced product performance.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements done etc., should be included within the scope of protection of the invention with principle.
Claims (7)
1. a kind of gold tailings autoclave aerated concrete building block, it is characterised in that including following raw material：Gold tailings
400~450 parts, 17~19 parts of desulfurated plaster, 80~100 parts of cement, 80~100 parts of lime, 0.5~0.6 part of aluminium powder, banana stem
10~30 parts of rod fibers, 3~5 parts of crab shell, 1~3 part of polypropylene milling amine, 4~6 parts of tripoli, 40~60 parts of bamboo charcoal.
2. gold tailings autoclave aerated concrete building block according to claim 1, it is characterised in that count by weight,
Including following raw material：412 parts of gold tailings, 18 parts of desulfurated plaster, 90 parts of cement, 90 parts of lime, 0.55 part of aluminium powder, banana stalk
20 parts of fiber, 4 parts of crab shell, 2 parts of polypropylene milling amine, 5 parts of tripoli, 50 parts of bamboo charcoal.
3. the production technology of gold tailings autoclave aerated concrete building block according to claim 1, it is characterised in that including
Following steps：
S1, fibers from banana stem is crushed to 50~100 mesh；
S2, by crab shell saline sook, rear drying, crush, obtain crab shell powder；
S3, gold tailings, desulfurated plaster, fibers from banana stem, bamboo charcoal, tripoli are added to stirring pool, injection water, through fully stirring
Mix, the raw material that density is 1.50~1.60g/cm is made and starches；
S4, the raw material slurry that cement, lime, aluminium powder, crab shell powder, polypropylene milling amine are sequentially added to step S3, add external adding water, fill
Divide stirring, then be passed through high-temperature vapor, when temperature reaches 46~48 DEG C, be poured into framed；
S5, it is quiet stop 1.5~2.5h, it is quiet stop after cut；
S6, the base substrates of step S5 well cuttings is sent into 1.2~1.3MPa still kettles, constant temperature 6~9h of steam pressure, obtains aerating coagulation
Earth building blocks.
4. the production technology of gold tailings autoclave aerated concrete building block according to claim 3, it is characterised in that step
In S2, the mass concentration of the salt solution is 4~6%NaCl solution, and soak time is 1~2h.
5. the production technology of gold tailings autoclave aerated concrete building block according to claim 3, it is characterised in that step
In S4, the external adding water is 20~100 parts using parts by weight.
6. the production technology of gold tailings autoclave aerated concrete building block according to claim 3, it is characterised in that step
In S4, the temperature of the high-temperature vapor is 100~130 DEG C.
7. the production technology of gold tailings autoclave aerated concrete building block according to claim 3, it is characterised in that step
In S6, the steam pressure temperature is 190~210 DEG C.
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| CN109678424A (en) * | 2019-01-14 | 2019-04-26 | 青岛天利兴达新型建材有限公司 | A kind of autoclave aerated concrete building block and preparation method thereof |
| CN110423058A (en) * | 2019-08-30 | 2019-11-08 | 福建闽泰交通工程有限公司 | A kind of high weatherability composite material for building and preparation method thereof |
| CN111269004A (en) * | 2020-02-24 | 2020-06-12 | 宜兴爱宜艺术陶瓷有限公司 | Grouting material for manufacturing ceramic product and method for manufacturing ceramic product beneficial to glazing |
| CN114853414A (en) * | 2022-04-26 | 2022-08-05 | 徐州市正峰锌业有限公司 | Method for preparing autoclaved aerated concrete block by taking blast furnace slag-gold tailings as raw material |
| CN115321866A (en) * | 2022-08-05 | 2022-11-11 | 中建西部建设北方有限公司 | Method for inhibiting heavy metal overflow of gold tailing sand and concrete applying gold tailing sand |
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| CN109678424A (en) * | 2019-01-14 | 2019-04-26 | 青岛天利兴达新型建材有限公司 | A kind of autoclave aerated concrete building block and preparation method thereof |
| CN110423058A (en) * | 2019-08-30 | 2019-11-08 | 福建闽泰交通工程有限公司 | A kind of high weatherability composite material for building and preparation method thereof |
| CN111269004A (en) * | 2020-02-24 | 2020-06-12 | 宜兴爱宜艺术陶瓷有限公司 | Grouting material for manufacturing ceramic product and method for manufacturing ceramic product beneficial to glazing |
| CN114853414A (en) * | 2022-04-26 | 2022-08-05 | 徐州市正峰锌业有限公司 | Method for preparing autoclaved aerated concrete block by taking blast furnace slag-gold tailings as raw material |
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