CN113696306A - High-efficiency reinforcing process for autoclaved aerated concrete block - Google Patents
High-efficiency reinforcing process for autoclaved aerated concrete block Download PDFInfo
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- CN113696306A CN113696306A CN202111062166.2A CN202111062166A CN113696306A CN 113696306 A CN113696306 A CN 113696306A CN 202111062166 A CN202111062166 A CN 202111062166A CN 113696306 A CN113696306 A CN 113696306A
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- aerated concrete
- concrete block
- autoclaved aerated
- gypsum
- red mud
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- 238000000034 method Methods 0.000 title claims abstract description 56
- 230000003014 reinforcing effect Effects 0.000 title claims abstract description 9
- 239000010881 fly ash Substances 0.000 claims abstract description 18
- 239000002002 slurry Substances 0.000 claims abstract description 17
- 238000005520 cutting process Methods 0.000 claims abstract description 16
- 238000004537 pulping Methods 0.000 claims abstract description 12
- 235000008733 Citrus aurantifolia Nutrition 0.000 claims abstract description 9
- 235000011941 Tilia x europaea Nutrition 0.000 claims abstract description 9
- 239000004571 lime Substances 0.000 claims abstract description 9
- 238000003756 stirring Methods 0.000 claims abstract description 9
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000012744 reinforcing agent Substances 0.000 claims abstract description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000010440 gypsum Substances 0.000 claims description 38
- 229910052602 gypsum Inorganic materials 0.000 claims description 38
- 230000003068 static effect Effects 0.000 claims description 19
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 15
- 229910001653 ettringite Inorganic materials 0.000 claims description 12
- 229920000876 geopolymer Polymers 0.000 claims description 10
- 239000002994 raw material Substances 0.000 claims description 10
- 238000006243 chemical reaction Methods 0.000 claims description 6
- 230000005484 gravity Effects 0.000 claims description 6
- 229910052925 anhydrite Inorganic materials 0.000 claims description 4
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 claims description 4
- 239000003623 enhancer Substances 0.000 claims description 4
- 229910004298 SiO 2 Inorganic materials 0.000 claims description 3
- 239000007795 chemical reaction product Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N heavy water Substances [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 claims description 3
- 239000000203 mixture Substances 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- 238000002360 preparation method Methods 0.000 claims description 3
- 230000002787 reinforcement Effects 0.000 claims 9
- 238000004519 manufacturing process Methods 0.000 abstract description 12
- 230000000284 resting effect Effects 0.000 abstract 4
- 238000009792 diffusion process Methods 0.000 abstract 1
- 239000004568 cement Substances 0.000 description 6
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000005273 aeration Methods 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 239000002956 ash Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 229910021488 crystalline silicon dioxide Inorganic materials 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 239000002910 solid waste Substances 0.000 description 1
- 238000009270 solid waste treatment Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B1/00—Producing shaped prefabricated articles from the material
- B28B1/50—Producing shaped prefabricated articles from the material specially adapted for producing articles of expanded material, e.g. cellular concrete
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/14—Apparatus or processes for treating or working the shaped or preshaped articles for dividing shaped articles by cutting
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28B11/00—Apparatus or processes for treating or working the shaped or preshaped articles
- B28B11/24—Apparatus or processes for treating or working the shaped or preshaped articles for curing, setting or hardening
- B28B11/245—Curing concrete articles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B28—WORKING CEMENT, CLAY, OR STONE
- B28C—PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER
- B28C5/00—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions
- B28C5/08—Apparatus or methods for producing mixtures of cement with other substances, e.g. slurries, mortars, porous or fibrous compositions using driven mechanical means affecting the mixing
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
- C04B28/14—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements
- C04B28/142—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements
- C04B28/144—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements containing calcium sulfate cements containing synthetic or waste calcium sulfate cements the synthetic calcium sulfate being a flue gas desulfurization product
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Organic Chemistry (AREA)
- Manufacturing & Machinery (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
Abstract
The invention relates to the field of comprehensive utilization of fly ash, in particular to an efficient autoclaved aerated concrete block reinforcing process. The method comprises the following specific steps: during pulping, a pulping stirrer is used, 1120 kg of water, 1400 kg of fly ash and 280 kg of RGM reinforcing agent are added, stirring is carried out for 30 minutes, the diffusion degree of the pulp is measured to reach 21-22cm, and the pulping temperature is heated to 45 ℃ by using steam; pouring, namely pouring the slurry into a pouring stirring tank by using a slurry pump, adding 280 kg of lime, adding 2.5 kg of aluminum powder, stirring uniformly, and injecting the slurry into a mold box; a resting process, moving to a resting room for resting and gas generation; cutting, namely cutting the blank according to the requirements of customers after the blank reaches the cutting hardness after the resting is finished; and (3) an autoclave process, namely grouping the cut building blocks, and feeding the grouped building blocks into an autoclave for autoclaving for 5 to 6 hours. The invention provides an efficient autoclaved aerated concrete block reinforcing process which reduces the production cost of autoclaved aerated concrete blocks, improves the production efficiency and increases the kettle discharge strength.
Description
Technical Field
The invention relates to the field of comprehensive utilization of fly ash, in particular to an efficient autoclaved aerated concrete block reinforcing process.
Background
In the traditional process technology, Fly ash flash, lime and cement are mainly used as main raw materials, Gypsum and aluminum powder are used as auxiliary raw materials, the main raw materials and the auxiliary raw materials are stirred and mixed according to a certain proportion, static curing gas generation and cutting steam pressing are carried out, the proportion of lime and cement used in the traditional process is large, the cost is high, in addition, the static curing time is long, the production efficiency is low, and the average strength after the product is discharged from a kettle is low.
Disclosure of Invention
The invention provides an efficient autoclaved aerated concrete block reinforcing process which reduces the production cost of autoclaved aerated concrete blocks, improves the production efficiency and increases the kettle discharge strength.
The technical scheme adopted by the invention is as follows: the high-efficiency autoclaved aerated concrete block reinforcing process is characterized by comprising the following steps of: the method comprises the following specific steps:
the method comprises the following steps: during pulping, a pulping stirrer is used, 1120 kg of water, 1400 kg of Fly ash and 280 kg of RGM reinforcing agent are added, the mixture is stirred for 30 minutes, the diffusivity of the pulp is measured to reach 21-22cm, and the pulping temperature is heated to 45 ℃ by using steam;
step two: in the pouring process, the prepared slurry is pumped into a pouring stirring tank by using a slurry pump, 280 kg of lime and 2.5 kg of aluminum powder are added into the pouring stirring tank, and the slurry is poured into a mold box after being uniformly stirred;
step three: in the static curing process, moving the mould box which is poured with the slurry to a static curing room for static gas generation;
step four: in the cutting process, after the static curing gas generation is finished, the blank body reaches the cutting hardness, a travelling crane is used for hanging the mould box and the blank body to a cutting machine, and cutting is carried out according to the specification and the size required by a customer;
step five: and (3) an autoclaving process, namely grouping the cut building block blanks, conveying the blocks into an autoclave by using a travelling crane, and autoclaving for 5-6 hours.
In the first step, the RGM intensifier comprises 34% Red mud Red mud and 66% Gypsum Gypsum, and the Gypsum Gypsum selects white Gypsum, desulfurized Gypsum and Red Gypsum.
The RGM intensifier preparation method in the first step is that two raw materials are filtered to remove particles with the diameter of more than 0.5cm, and then are fully and uniformly mixed.
Step one chemical reaction product and strength enhancement mechanism after addition of RGM enhancer:
during the process of the gelatinization reaction of the autoclaved aerated concrete block, Red mud Red mud and Gypsum Gypsum can promote the generation of Ettringite Ettringite,
Red mud+Gypsum→Ettringite
meanwhile, Red mud Red mud and fly ash can promote geopolymerization reaction to generate geopolymer Geo polymer,
Red mud+Fly ash→Geo polymer。
and the volume of the mould box in the second step is 3.5 cubic.
The temperature of the rest room in the third step is kept between 45 ℃ and 55 ℃, and the rest gas-forming time is 80 minutes to 90 minutes.
The pressure of the autoclave in the fifth step is 0.9-1.2MPa, and the steam temperature is 175-195 ℃.
After the autoclave in the step five is autoclaved, the outlet strength of the autoclave can reach more than 3.5MPa, and the volume weight is within 625kg/m 3.
The specific gravity of the water in the first step is 40%, the specific gravity of the Fly ash is 50%, and the specific gravity of the RGM reinforcing agent is 10%.
The Red mud Red mud contains NaOH, the Gypsum Gypsum contains 2H2O CaSO4, and the fly ash contains Non-Crystall SiO 2.
The invention has the beneficial effects that:
compared with the traditional method, the lime consumption per unit is saved by 5 kg/cube, meanwhile, the process method does not use cement, 15 kg/cube of cement is saved, 15 g/cube of aluminum powder is saved, the cost of raw materials can be saved by 10 yuan/cube, the production line with the annual production capacity of 40 thousands of cubes can save the cost of 400 thousands of yuan each year, in the static curing and aeration process, the static curing time is shortened by 20 minutes/mold compared with the traditional process, the daily yield can be increased by 260 cubes compared with the traditional process, the annual production can be increased by 80000 cubes, the production efficiency is improved to a great extent, and the average kettle-leaving strength of the produced autoclaved aerated concrete building blocks is 0.5MPa higher than that of the building blocks produced by the traditional process.
Detailed Description
Example 1:
the high-efficiency autoclaved aerated concrete block reinforcing process is characterized by comprising the following steps of: the method comprises the following specific steps:
the method comprises the following steps: during pulping, a pulping stirrer is used, 1120 kg of water, 1400 kg of Fly ash and 280 kg of RGM reinforcing agent are added, the mixture is stirred for 30 minutes, the diffusivity of the pulp is measured to reach 21-22cm, and the pulping temperature is heated to 45 ℃ by using steam;
step two: in the pouring process, the prepared slurry is pumped into a pouring stirring tank by using a slurry pump, 280 kg of lime and 2.5 kg of aluminum powder are added into the pouring stirring tank, and the slurry is poured into a mold box after being uniformly stirred;
step three: in the static curing process, moving the mould box which is poured with the slurry to a static curing room for static gas generation;
step four: in the cutting process, after the static curing gas generation is finished, the blank body reaches the cutting hardness, a travelling crane is used for hanging the mould box and the blank body to a cutting machine, and cutting is carried out according to the specification and the size required by a customer;
step five: and (3) an autoclaving process, namely grouping the cut building block blanks, conveying the blocks into an autoclave by using a travelling crane, and autoclaving for 5-6 hours.
In the first step, the RGM intensifier comprises 34% Red mud Red mud and 66% Gypsum Gypsum, and the Gypsum Gypsum selects white Gypsum, desulfurized Gypsum and Red Gypsum.
The RGM intensifier preparation method in the first step is that two raw materials are filtered to remove particles with the diameter of more than 0.5cm, and then are fully and uniformly mixed.
Step one chemical reaction product and strength enhancement mechanism after addition of RGM enhancer:
during the process of the gelatinization reaction of the autoclaved aerated concrete block, Red mud Red mud and Gypsum Gypsum can promote the generation of Ettringite Ettringite,
red mud (containing NaOH) + Gypsum (containing 2H 2O. multidot. CaSO4) → Ettringite (Ettringite)
When the Ettringite Ettrinite is generated in the early stage by the slurry, the Ettringite Ettrinite grown in a static culture way in a mould box expands in volume and fills pores, so that the slurry is compact and the strength development is facilitated, meanwhile, Red mud Red mud and Fly ash can promote geopolymerization reaction to generate geopolymer Geo polymer,
red mud (containing NaOH) + flash ash (containing Non-crystalline SiO2) → Geo polymer (geopolymer) which has excellent properties such as high strength and high-temperature durability.
And the volume of the mould box in the second step is 3.5 cubic.
The temperature of the rest room in the third step is kept between 45 ℃ and 55 ℃, and the rest gas-forming time is 80 minutes to 90 minutes.
The pressure of the autoclave in the fifth step is 0.9-1.2MPa, and the steam temperature is 175-195 ℃.
After the autoclave in the step five is autoclaved, the outlet strength of the autoclave can reach more than 3.5MPa, and the volume weight is within 625kg/m 3.
The Red mud Red mud contains NaOH, the Gypsum Gypsum contains 2H2O CaSO4, and the fly ash contains Non-Crystall SiO 2.
The invention adopts water, Fly ash flash and RGM reinforcing agent as raw materials, lime and aluminum powder as auxiliary materials, compared with the traditional method, the unit consumption of lime is saved by 5 kg/cube according to the process method, the consumption of aluminum powder is saved by 15 g/cube, meanwhile, the process method does not use cement, saves 15 kg/cube of cement, saves 10 yuan/cube of raw material cost, saves a production line with 40 ten thousand cubic per year production capacity, saves 400 ten thousand yuan per year, the static curing gas-forming process shortens the static curing time by 20 minutes per mold compared with the traditional process, the daily yield can be increased by 260 cubes compared with the traditional process, the yield can be increased by 80000 cubes per year, and the production efficiency is improved to a great extent.
Comparison of data Using RGM enhancers and conventional methods
The invention application of the RGM reinforcing agent is not only beneficial to reducing the cost and improving the efficiency and the quality in the aerated concrete block industry; the more important contributions are: a large amount of solid wastes such as Red mud Red mud produced by alumina enterprises, desulfurized gypsum produced by thermal power plants, Red gypsum produced by titanium dioxide enterprises and the like are utilized, and the problem of environmental protection and solid waste treatment faced by the industries is solved by changing waste into valuable through comprehensive utilization.
The above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.
Claims (10)
1. The high-efficiency autoclaved aerated concrete block reinforcing process is characterized by comprising the following steps of: the method comprises the following specific steps:
the method comprises the following steps: during pulping, a pulping stirrer is used, 1120 kg of water, 1400 kg of Fly ash and 280 kg of RGM reinforcing agent are added, the mixture is stirred for 30 minutes, the diffusivity of the pulp is measured to reach 21-22cm, and the pulping temperature is heated to 45 ℃ by using steam;
step two: in the pouring process, the prepared slurry is pumped into a pouring stirring tank by using a slurry pump, 280 kg of lime and 2.5 kg of aluminum powder are added into the pouring stirring tank, and the slurry is poured into a mold box after being uniformly stirred;
step three: in the static curing process, moving the mould box which is poured with the slurry to a static curing room for static gas generation;
step four: in the cutting process, after the static curing gas generation is finished, the blank body reaches the cutting hardness, a travelling crane is used for hanging the mould box and the blank body to a cutting machine, and cutting is carried out according to the specification and the size required by a customer;
step five: and (3) an autoclaving process, namely grouping the cut building block blanks, conveying the blocks into an autoclave by using a travelling crane, and autoclaving for 5-6 hours.
2. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: in the first step, the RGM intensifier comprises 34% Red mud Red mud and 66% Gypsum Gypsum, and the Gypsum Gypsum selects white Gypsum, desulfurized Gypsum and Red Gypsum.
3. The autoclaved aerated concrete block efficient reinforcement process according to claim 2, characterized in that: the RGM intensifier preparation method in the first step is that two raw materials are filtered to remove particles with the diameter of more than 0.5cm, and then are fully and uniformly mixed.
4. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: step one chemical reaction product and strength enhancement mechanism after addition of RGM enhancer:
during the process of the gelatinization reaction of the autoclaved aerated concrete block, Red mud Red mud and Gypsum Gypsum can promote the generation of Ettringite Ettringite,
Red mud+Gypsum→Ettringite
meanwhile, Red mud Red mud and Fly ash will promote geopolymerization reaction to generate geopolymer Geo polymer,
Red mud+Fly ash→Geo polymer。
5. the autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: and the volume of the mould box in the second step is 3.5 cubic.
6. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: the temperature of the rest room in the third step is kept between 45 ℃ and 55 ℃, and the rest gas-forming time is 80 minutes to 90 minutes.
7. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: the pressure of the autoclave in the fifth step is 0.9-1.2MPa, and the steam temperature is 175-195 ℃.
8. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: after the autoclave in the step five is autoclaved, the outlet strength of the autoclave can reach more than 3.5MPa, and the volume weight is within 625kg/m 3.
9. The autoclaved aerated concrete block efficient reinforcement process according to claim 1, characterized in that: the specific gravity of the water in the first step is 40%, the specific gravity of the fly ash is 50%, and the specific gravity of the RGM reinforcing agent is 10%.
10. The autoclaved aerated concrete block efficient reinforcement process according to claim 4, characterized in that: the Red mud Red mud contains NaOH, the gypsum contains 2H2O CaSO4, and the fly ash contains Non-Crystall SiO 2.
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GB8334167D0 (en) * | 1983-01-04 | 1984-02-01 | Zueblin Ag | Mixture for building materials |
CN105272006A (en) * | 2015-10-30 | 2016-01-27 | 贵州源隆新型环保墙体建材有限公司 | Red mud autoclaved aerated concrete building block and preparation method of red mud autoclaved aerated concrete building block |
WO2018037422A1 (en) * | 2016-08-22 | 2018-03-01 | Hindalco Industries Limited | Ready-mix plaster material prepared using industrial wastes |
CN111253138A (en) * | 2020-01-11 | 2020-06-09 | 滨州市滨北百奥再生资源有限公司 | Production process of autoclaved aerated concrete block |
CN111763059A (en) * | 2020-07-16 | 2020-10-13 | 上海百奥恒再生资源有限公司 | Process for producing autoclaved aerated concrete blocks by utilizing desulfurized gypsum wastewater |
CN111807858A (en) * | 2020-05-08 | 2020-10-23 | 张延年 | Industrial solid waste autoclaved aerated concrete block and preparation method thereof |
-
2021
- 2021-09-10 CN CN202111062166.2A patent/CN113696306A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8334167D0 (en) * | 1983-01-04 | 1984-02-01 | Zueblin Ag | Mixture for building materials |
CN105272006A (en) * | 2015-10-30 | 2016-01-27 | 贵州源隆新型环保墙体建材有限公司 | Red mud autoclaved aerated concrete building block and preparation method of red mud autoclaved aerated concrete building block |
WO2018037422A1 (en) * | 2016-08-22 | 2018-03-01 | Hindalco Industries Limited | Ready-mix plaster material prepared using industrial wastes |
CN111253138A (en) * | 2020-01-11 | 2020-06-09 | 滨州市滨北百奥再生资源有限公司 | Production process of autoclaved aerated concrete block |
CN111807858A (en) * | 2020-05-08 | 2020-10-23 | 张延年 | Industrial solid waste autoclaved aerated concrete block and preparation method thereof |
CN111763059A (en) * | 2020-07-16 | 2020-10-13 | 上海百奥恒再生资源有限公司 | Process for producing autoclaved aerated concrete blocks by utilizing desulfurized gypsum wastewater |
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