CN114014687A - Aerated concrete block prepared from gasified ash and slag and preparation method thereof - Google Patents
Aerated concrete block prepared from gasified ash and slag and preparation method thereof Download PDFInfo
- Publication number
- CN114014687A CN114014687A CN202111333133.7A CN202111333133A CN114014687A CN 114014687 A CN114014687 A CN 114014687A CN 202111333133 A CN202111333133 A CN 202111333133A CN 114014687 A CN114014687 A CN 114014687A
- Authority
- CN
- China
- Prior art keywords
- parts
- ash
- gasified ash
- gasified
- silicon dioxide
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- 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
-
- 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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/91—Use of waste materials as fillers for mortars or concrete
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Ceramic Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Inorganic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Curing Cements, Concrete, And Artificial Stone (AREA)
- Porous Artificial Stone Or Porous Ceramic Products (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The invention belongs to an aerated concrete block prepared by using gasified ash and a preparation method thereof; the feed is prepared from the following raw materials in parts by weight: 40-50 parts of gasified ash, 20-25 parts of silicon dioxide, 17-23 parts of calcium oxide, 8-12 parts of cement, 2.5-4.5 parts of gypsum, 0.75-1.75 parts of aluminum powder and 55-65 parts of water; the gasification ash is ash obtained after a gasification furnace of a chemical enterprise prepares a feed gas; the method has the characteristics of being capable of preparing the aerated concrete building blocks by using the gasified ash solid wastes, realizing the purpose of changing waste into valuable, improving the enterprise competitiveness, being low in cost, simple and controllable in operation, high in building block strength and meeting the requirements of national standard B05-grade qualified products and utilizing the gasified ash for preparation.
Description
Technical Field
The invention belongs to the technical field of buildings, and particularly relates to an aerated concrete block prepared from gasified ash and a preparation method thereof.
Background
The existing aerated concrete block is mainly produced by using boiler coal ash, such as gasified slag generated by boiler combustion in the power generation process of a power plant, the gasified slag is residue generated after coal is fully combusted by a boiler, and has the characteristics of uniform particle size, low loss on ignition and low sulfur content; however, according to statistics, the quantity of chemical waste slag-gasified ash slag is gradually increased in recent years, and the gasified slag of chemical enterprises accounts for 81 percent of the total slag quantity. Along with the increase of the amount of the gasified slag, the application of the gasified slag in various fields is researched and explored, such as re-sintering and consolidation, which brings secondary high energy consumption and low feasibility of high pollution; the main reason is that raw material coal in a gasification furnace in the chemical industry mainly generates raw material gas through chemical reaction, the combustion is insufficient, so the ignition loss and the sulfur content exceed the standard, the problems of unstable pouring, serious shrinkage, air hole penetration, poor product strength and poor freezing resistance are easily presented by taking the ignition loss as an example, the problem of poor viscosity and difficult forming exists in the production of building blocks by taking the sulfur content as an example, and the problem of easy cracking exists in the use of the building blocks. The problem causes gasification ash slag generated by a gasification furnace in the chemical industry to be different from slag generated by boiler combustion, and the gasification ash slag can not be effectively applied in the field of building blocks all the time, so that the problem of pollution is caused, and the cost of piling up the solid waste in the land purchased by an enterprise is also improved.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide the aerated concrete block prepared by utilizing the gasified ash slag and the preparation method thereof, wherein the aerated concrete block can be prepared by utilizing the gasified ash slag solid waste, the waste is changed into valuable, the enterprise competitiveness is improved, the cost is low, the operation is simple and controllable, the block strength is high, and the aerated concrete block meets the requirements of national standard B05 grade qualified products.
The purpose of the invention is realized as follows:
an aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 40-50 parts of gasified ash, 20-25 parts of silicon dioxide, 17-23 parts of calcium oxide, 8-12 parts of cement, 2.5-4.5 parts of gypsum, 0.75-1.75 parts of aluminum powder and 55-65 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
Preferably, the aerated concrete block is prepared from the following raw materials in parts by weight: 44-50 parts of gasified ash, 20-24 parts of silicon dioxide, 18-23 parts of calcium oxide, 9-12 parts of cement, 3-4.5 parts of gypsum, 0.75-1 part of aluminum powder and 58-65 parts of water.
Preferably, the aerated concrete block is prepared from the following raw materials in parts by weight: 46-50 parts of gasified ash, 20-22 parts of silicon dioxide, 18-21 parts of calcium oxide, 10-12 parts of cement, 3-4 parts of gypsum, 0.8-0.9 part of aluminum powder and 58.7-66 parts of water.
Preferably, the aerated concrete block is prepared from the following raw materials in parts by weight: 47 parts of gasified ash, 20 parts of silicon dioxide, 19 parts of calcium oxide, 11 parts of cement, 3 parts of gypsum, 0.85 part of aluminum powder and 60.5 parts of water.
Preferably, the aerated concrete block is prepared from the following raw materials in parts by weight: 49 parts of gasified ash, 21 parts of silicon dioxide, 20 parts of calcium oxide, 10 parts of cement, 3.5 parts of gypsum, 0.9 part of aluminum powder and 62.6 parts of water.
The invention also provides a preparation method of the aerated concrete block prepared by utilizing the gasified ash, which comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60-70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60-70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3-4 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 30-40 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 40-50 ℃, and the reaction time is as follows: 3.5-5 h, and then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; and in the autoclaved reaction, the temperature in the autoclave is 185-200 ℃, the temperature is kept for 6-8 hours in a constant temperature state, and the pressure is 1.2 Mpa.
According to the aerated concrete block prepared by utilizing the gasified ash and the preparation method thereof, as the gasified ash has the defects of non-uniform granularity and over-standard ignition loss and sulfur content, the traditional solution is to reburn, desulfurize and screen the gasified ash, and grind the gasified ash with overlarge granularity; the technical process is relatively complicated and high in cost, the gasified ash and the silicon dioxide are uniformly ground into similar particle sizes and mixed on the basis, the technical process not only solves the problem of uneven particle sizes of the gasified ash, but also can integrally reduce the content of sulfur in a finished product by adding and uniformly mixing the silicon dioxide, and strengthen the silico-calcium reaction in the later silico-calcium reaction, so that the defect that the strength of the finished product is not high due to high ignition loss of the gasified ash is overcome; the invention takes the mixture of gasification ash and silicon dioxide as the main material, the addition amount of the silicon dioxide is about half of the total weight of the gasification ash, the sulfur content is effectively reduced, and the problems of poor strength and the like caused by serious contraction and air hole penetration of the gasification ash in the preparation process are solved; the invention adds the dry material of calcium oxide on the basis of the main material, and after the main material is uniformly mixed, the purposes of generating a calcium silicon reaction and adjusting the calcium silicon reaction speed are realized by adding cement and water; the method has the characteristics of being capable of preparing the aerated concrete block from the solid waste of the gasified ash, changing waste into valuable, improving the enterprise competitiveness, being low in cost, simple and controllable in operation, high in block strength and meeting the requirements of national standard B05-level qualified products and utilizing the gasified ash for preparation.
Detailed Description
In order to more clearly understand the technical features, objects, and effects of the present invention, specific embodiments of the present invention will now be described.
The invention relates to an aerated concrete block prepared from gasified ash and a preparation method thereof, wherein the aerated concrete block is prepared from the following raw materials in parts by weight: 40-50 parts of gasified ash, 20-25 parts of silicon dioxide, 17-23 parts of calcium oxide, 8-12 parts of cement, 2.5-4.5 parts of gypsum, 0.75-1.75 parts of aluminum powder and 55-65 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 44-50 parts of gasified ash, 20-24 parts of silicon dioxide, 18-23 parts of calcium oxide, 9-12 parts of cement, 3-4.5 parts of gypsum, 0.75-1 part of aluminum powder and 58-65 parts of water.
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 46-50 parts of gasified ash, 20-22 parts of silicon dioxide, 18-21 parts of calcium oxide, 10-12 parts of cement, 3-4 parts of gypsum, 0.8-0.9 part of aluminum powder and 58.7-66 parts of water.
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 47 parts of gasified ash, 20 parts of silicon dioxide, 19 parts of calcium oxide, 11 parts of cement, 3 parts of gypsum, 0.85 part of aluminum powder and 60.5 parts of water.
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 49 parts of gasified ash, 21 parts of silicon dioxide, 20 parts of calcium oxide, 10 parts of cement, 3.5 parts of gypsum, 0.9 part of aluminum powder and 62.6 parts of water.
The invention also provides a preparation method of the aerated concrete block prepared by utilizing the gasified ash, which comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60-70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60-70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3-4 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 30-40 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 40-50 ℃, and the reaction time is as follows: 3.5-5 h, and then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; and in the autoclaved reaction, the temperature in the autoclave is 185-200 ℃, the temperature is kept for 6-8 hours in a constant temperature state, and the pressure is 1.2 Mpa.
The present invention will now be further illustrated with reference to examples in order to explain the present invention in more detail. The specific embodiment is as follows:
example 1
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 50 parts of gasified ash, 25 parts of silicon dioxide, 23 parts of calcium oxide, 12 parts of cement, 4.5 parts of gypsum, 1.75 parts of aluminum powder and 65 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 30 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 50 ℃, and the reaction time is as follows: 5h, preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 200 ℃, the temperature is kept for 8 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 2
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 40 parts of gasified ash, 20 parts of silicon dioxide, 17 parts of calcium oxide, 8 parts of cement, 2.5 parts of gypsum, 0.75 part of aluminum powder and 55 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 4 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 40 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 40 ℃, and the reaction time is as follows: 3.5h, then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 185 ℃, the temperature is kept for 6 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 3
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 45 parts of gasified ash, 22.5 parts of silicon dioxide, 20 parts of calcium oxide, 10 parts of cement, 3.5 parts of gypsum, 1.25 parts of aluminum powder and 60 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 65 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 65 micrometers;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.5 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 35 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 45 ℃, and the reaction time is as follows: 4.5h, then making a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 192 ℃, the temperature is kept for 7 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 4
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 44 parts of gasified ash, 24 parts of silicon dioxide, 18 parts of calcium oxide, 9 parts of cement, 3 parts of gypsum, 0.75 part of aluminum powder and 58 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 68 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 68 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.2 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 32 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 46 ℃, and the reaction time is as follows: 3.8h, then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 193 ℃, the temperature is kept for 6.5 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 5
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 50 parts of gasified ash, 20 parts of silicon dioxide, 23 parts of calcium oxide, 12 parts of cement, 4.5 parts of gypsum, 1 part of aluminum powder and 65 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 66 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 66 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.8 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 38 s;
and step 9: and (3) enabling the mixture in the step (8) to form a calcium-silicon reaction, wherein the temperature of the calcium-silicon reaction is 43 ℃, and the reaction time is as follows: 4.7h, then making a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 185 ℃, the temperature is kept for 6.7 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 6
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 47 parts of gasified ash, 22 parts of silicon dioxide, 20.5 parts of calcium oxide, 10.5 parts of cement, 3.8 parts of gypsum, 0.88 part of aluminum powder and 61 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 64 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 64 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.6 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 36 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 45 ℃, and the reaction time is as follows: 4.5h, then making a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 190 ℃, the temperature is kept for 7.5 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 7
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 46 parts of gasified ash, 20 parts of silicon dioxide, 18 parts of calcium oxide, 10 parts of cement, 3 parts of gypsum, 0.8 part of aluminum powder and 58.7 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.3 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 40 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 50 ℃, and the reaction time is as follows: 5h, preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 200 ℃, the temperature is kept for 6 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 8
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 50 parts of gasified ash, 22 parts of silicon dioxide, 21 parts of calcium oxide, 12 parts of cement, 4 parts of gypsum, 0.9 part of aluminum powder and 66 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 4 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 30 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 40 ℃, and the reaction time is as follows: 3.5h, then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 185 ℃, the temperature is kept for 8 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 9
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 48 parts of gasified ash, 21 parts of silicon dioxide, 19.5 parts of calcium oxide, 11 parts of cement, 3.5 parts of gypsum, 0.85 part of aluminum powder and 62.35 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 64 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 64 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 34 s;
and step 9: and (3) enabling the mixture in the step (8) to form a silicon-calcium reaction, wherein the temperature of the silicon-calcium reaction is 46 ℃, and the reaction time is as follows: 4.1h, then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 193 ℃, the temperature is kept for 7 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 10
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 47 parts of gasified ash, 20 parts of silicon dioxide, 19 parts of calcium oxide, 11 parts of cement, 3 parts of gypsum, 0.85 part of aluminum powder and 60.5 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.6 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 35 s;
and step 9: and (3) enabling the mixture in the step (8) to form a calcium-silicon reaction, wherein the temperature of the calcium-silicon reaction is 43 ℃, and the reaction time is as follows: 4h, preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 193 ℃, the temperature is kept for 7 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Example 11
An aerated concrete block prepared from gasified ash comprises the following raw materials in parts by weight: 49 parts of gasified ash, 21 parts of silicon dioxide, 20 parts of calcium oxide, 10 parts of cement, 3.5 parts of gypsum, 0.9 part of aluminum powder and 62.6 parts of water.
A preparation method of an aerated concrete block prepared by utilizing gasified ash comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60-70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60-70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3.5 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 37 s;
and step 9: and (3) enabling the mixture in the step (8) to form a calcium-silicon reaction, wherein the temperature of the calcium-silicon reaction is 47 ℃, and the reaction time is as follows: 4.5h, then making a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; the temperature in the autoclave during the autoclave reaction is 195 ℃, the temperature is kept for 7.5 hours under the constant temperature state, and the pressure is 1.2 Mpa.
Comparative example
The components of example 10 above, the preparation method and the product produced were randomly selected as examples:
sample brick 1: the silicon dioxide and the corresponding weight fraction in the embodiment 10 are saved, the step 1, the step 2 and the step 3 are saved, and the gasified ash slag is directly mixed with calcium oxide in the step 4 to prepare the sample brick 1;
and (3) sample brick 2: reducing the weight fraction of the silicon dioxide in the example 10 to 10 parts, and preparing the sample brick 2 by the same preparation method as the example 7;
and (3) sample brick: same as the composition of example 10, but grinding the gasified ash in step 1 and the silica in step 2 to 80 microns separately, same as the preparation method, produced a briquette 3.
And (4) sample brick: the coupons prepared in example 10 of the present invention.
The name of the experiment: quantitative strength test
And (3) accurately measuring the oven dry compressive strength value of the autoclaved aerated concrete block by using a pressure testing machine, and testing the strength by randomly extracting a sample in order to ensure that the test result is more accurate.
The main equipment used is: an electrothermal blowing drying box (the maximum using temperature is 200 ℃); 150mm steel die; a compression tester (TYE-300), with a maximum load of 300 KN; a still kettle; an electronic balance (5000g, precision 1 g); a steel ruler.
The test method comprises the following steps:
(1) 1 sample of each sample brick is dried to constant weight by adopting an electric heating air blast drying oven;
(2) accurately measuring the bad quality of the dried brick by adopting an electronic balance (5000g, the precision is 1 g);
(3) accurately measuring the appearance size of the autoclaved aerated concrete block by using a steel ruler;
(4) and measuring the compressive strength value of the autoclaved aerated concrete block by using a pressure tester (TYE-300).
And (3) testing results:
| sample (I) | Dry density (kg/m)3) | Absolute dry compression strength (Mpa) |
| Sample brick | 493 | 1.6 |
| Sample brick | 490 | 1.9 |
| Sample brick | 500 | 2.1 |
| Sample brick | 477 | 3.0 |
Attached: the compressive strength value here is the oven dry compressive strength; the compressive strength was approximately 75% of the oven dry compressive strength as tested by the method in Standard (GB/T11969-2008).
According to the test results, the oven dry compressive strength of the sample brick 4 manufactured in the embodiment 10 of the invention meets the requirement of a qualified product of the national standard B05 level; further, according to the comparative example, the raw materials, the weight fractions of the raw materials and the preparation method in the invention have a crucial effect on the compressive strength, and the ash and the silica after the raw material gas is prepared by using a gasification furnace of a chemical enterprise as a base material, and the aerated concrete block meeting the national standard requirements can be prepared by adding calcium oxide, cement, gypsum, aluminum powder and the like on the basis.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected," "connecting," and the like are to be construed broadly, and may, for example, be fixedly connected, integrally connected, or detachably connected; or communication between the interior of the two elements; they may be directly connected or indirectly connected through an intermediate, and those skilled in the art can understand the specific meaning of the above terms in the present invention according to specific situations. The above examples are merely illustrative of the feasible embodiments of the present invention and they are not intended to limit the scope of the present invention, and equivalent embodiments, modifications and alterations without departing from the technical spirit of the present invention are included in the scope of the present invention.
Claims (6)
1. An aerated concrete block prepared by utilizing gasified ash slag is characterized in that: the aerated concrete block is prepared from the following raw materials in parts by weight: 40-50 parts of gasified ash, 20-25 parts of silicon dioxide, 17-23 parts of calcium oxide, 8-12 parts of cement, 2.5-4.5 parts of gypsum, 0.75-1.75 parts of aluminum powder and 55-65 parts of water; the gasification ash is the ash obtained after raw material gas is prepared by a gasification furnace of a chemical enterprise.
2. The aerated concrete block prepared by using gasified ash according to claim 1, wherein: the aerated concrete block is prepared from the following raw materials in parts by weight: 44-50 parts of gasified ash, 20-24 parts of silicon dioxide, 18-23 parts of calcium oxide, 9-12 parts of cement, 3-4.5 parts of gypsum, 0.75-1 part of aluminum powder and 58-65 parts of water.
3. The aerated concrete block prepared by using gasified ash according to claim 1, wherein: the aerated concrete block is prepared from the following raw materials in parts by weight: 46-50 parts of gasified ash, 20-22 parts of silicon dioxide, 18-21 parts of calcium oxide, 10-12 parts of cement, 3-4 parts of gypsum, 0.8-0.9 part of aluminum powder and 58.7-66 parts of water.
4. The aerated concrete block prepared by using gasified ash according to claim 1, wherein: the aerated concrete block is prepared from the following raw materials in parts by weight: 47 parts of gasified ash, 20 parts of silicon dioxide, 19 parts of calcium oxide, 11 parts of cement, 3 parts of gypsum, 0.85 part of aluminum powder and 60.5 parts of water.
5. The aerated concrete block prepared by using gasified ash according to claim 1, wherein: the aerated concrete block is prepared from the following raw materials in parts by weight: 49 parts of gasified ash, 21 parts of silicon dioxide, 20 parts of calcium oxide, 10 parts of cement, 3.5 parts of gypsum, 0.9 part of aluminum powder and 62.6 parts of water.
6. A method of making an aerated concrete block from gasified ash as claimed in any one of claims 1 to 5, wherein: the preparation method comprises the following steps:
step 1: crushing and grinding the gasified ash until the gasified ash is 60-70 microns;
step 2: crushing and grinding the silicon dioxide until the silicon dioxide is 60-70 microns;
and step 3: uniformly mixing the gasified ash and silicon dioxide ground in the steps 1 and 2;
and 4, step 4: adding calcium oxide into the gasified ash and silicon dioxide which are uniformly mixed in the step 3, and uniformly stirring to prepare a semi-finished product mixture;
and 5: adding cement into the semi-finished product mixture in the step 4, and uniformly stirring;
step 6: adding gypsum into the semi-finished product mixture added with the cement in the step 5, and uniformly stirring;
and 7: adding water into the semi-finished product mixture added with the gypsum in the step 6, and stirring for 3-4 min;
and 8: adding aluminum powder into the mixture after the stirring is finished, wherein the aluminum powder is quickly added in the stirring process, and then the mixture added with the aluminum powder is poured into a mould for standing foaming and curing silicon-calcium reaction initial setting; the time for adding the aluminum powder while stirring is as follows: 30-40 s;
and step 9: and (3) enabling the mixture in the step (8) to form a calcium-silicon reaction, wherein the temperature of the calcium-silicon reaction is 40-50 ℃, and the reaction time is as follows: 3.5-5 h, and then preparing a blank building block;
step 10: cutting and forming the blank building block, and placing the blank building block into an autoclave for autoclave reaction forming to obtain a finished product for sale; and in the autoclaved reaction, the temperature in the autoclave is 185-200 ℃, the temperature is kept for 6-8 hours in a constant temperature state, and the pressure is 1.2 Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333133.7A CN114014687B (en) | 2021-11-11 | 2021-11-11 | Aerated concrete block prepared from gasified ash and slag and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111333133.7A CN114014687B (en) | 2021-11-11 | 2021-11-11 | Aerated concrete block prepared from gasified ash and slag and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN114014687A true CN114014687A (en) | 2022-02-08 |
| CN114014687B CN114014687B (en) | 2022-10-18 |
Family
ID=80063538
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111333133.7A Active CN114014687B (en) | 2021-11-11 | 2021-11-11 | Aerated concrete block prepared from gasified ash and slag and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114014687B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849940A (en) * | 2022-09-09 | 2023-03-28 | 西安建筑科技大学 | Aerated concrete and preparation method thereof |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5772751A (en) * | 1995-10-26 | 1998-06-30 | College Of Judea And Samaria | Cement-bound light-weight insulating structural monolithic aggregate concrete |
| JP2002154862A (en) * | 2000-11-15 | 2002-05-28 | Central Res Inst Of Electric Power Ind | Hardenable composition and hardened body |
| JP2004238214A (en) * | 2003-02-03 | 2004-08-26 | Jfe Engineering Kk | Aerated mortar composition and work using the same |
| CN101555113A (en) * | 2009-05-19 | 2009-10-14 | 李秋义 | Aeroconcrete and preparation method thereof |
| CN103755378A (en) * | 2013-12-23 | 2014-04-30 | 武汉理工大学 | Aerated concrete building block and preparation method thereof |
| CN104987020A (en) * | 2015-06-04 | 2015-10-21 | 武汉瑞安腾达新型建材有限公司 | Aerated concrete block and production method thereof |
| CN105645991A (en) * | 2016-01-05 | 2016-06-08 | 重庆建工新型建材有限公司 | High-doping-amount furnace slag aerated concrete building block and preparation method thereof |
| CN106082994A (en) * | 2016-06-12 | 2016-11-09 | 安徽省亚欧陶瓷有限责任公司 | A kind of Mount Huang ballstone ceramic tile and preparation method thereof |
| CN107673670A (en) * | 2017-10-19 | 2018-02-09 | 贵州源隆新型环保墙体建材有限公司 | Glass fibre autoclave aerated concrete building block and preparation method thereof |
| CN207210269U (en) * | 2017-06-02 | 2018-04-10 | 中国矿业大学(北京) | A kind of production system of the unburned material of the thick slag of coal gasification |
| CN108017302A (en) * | 2017-06-02 | 2018-05-11 | 中国矿业大学(北京) | Unburned material of a kind of thick slag of coal gasification and preparation method thereof |
| CN110776334A (en) * | 2019-10-31 | 2020-02-11 | 中建材料技术研究成都有限公司 | Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof |
| CN111217580A (en) * | 2020-02-28 | 2020-06-02 | 郑州市格沃环保开发有限公司 | Aerated concrete containing sludge gasification dry distillation residues and preparation method thereof |
| CN112194417A (en) * | 2020-09-29 | 2021-01-08 | 陕西科技大学 | Foaming non-steamed building block based on gasified slag and preparation method thereof |
| CN113105195A (en) * | 2021-02-24 | 2021-07-13 | 黄石市旺新环保科技有限公司 | Foam concrete block manufactured by utilizing solid waste and preparation method thereof |
| CN113511868A (en) * | 2021-08-26 | 2021-10-19 | 西安科技大学 | Reactive powder concrete using massive coal mine industrial solid wastes and preparation method thereof |
| CN113548816A (en) * | 2021-08-13 | 2021-10-26 | 中冀建勘集团有限公司 | Activation method of coal gasification ash, activated coal gasification ash and application |
| CN114772997A (en) * | 2022-03-31 | 2022-07-22 | 中国矿业大学 | Reinforced mining solid waste concrete and preparation method thereof |
-
2021
- 2021-11-11 CN CN202111333133.7A patent/CN114014687B/en active Active
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5772751A (en) * | 1995-10-26 | 1998-06-30 | College Of Judea And Samaria | Cement-bound light-weight insulating structural monolithic aggregate concrete |
| JP2002154862A (en) * | 2000-11-15 | 2002-05-28 | Central Res Inst Of Electric Power Ind | Hardenable composition and hardened body |
| JP2004238214A (en) * | 2003-02-03 | 2004-08-26 | Jfe Engineering Kk | Aerated mortar composition and work using the same |
| CN101555113A (en) * | 2009-05-19 | 2009-10-14 | 李秋义 | Aeroconcrete and preparation method thereof |
| CN103755378A (en) * | 2013-12-23 | 2014-04-30 | 武汉理工大学 | Aerated concrete building block and preparation method thereof |
| CN104987020A (en) * | 2015-06-04 | 2015-10-21 | 武汉瑞安腾达新型建材有限公司 | Aerated concrete block and production method thereof |
| CN105645991A (en) * | 2016-01-05 | 2016-06-08 | 重庆建工新型建材有限公司 | High-doping-amount furnace slag aerated concrete building block and preparation method thereof |
| CN106082994A (en) * | 2016-06-12 | 2016-11-09 | 安徽省亚欧陶瓷有限责任公司 | A kind of Mount Huang ballstone ceramic tile and preparation method thereof |
| CN108017302A (en) * | 2017-06-02 | 2018-05-11 | 中国矿业大学(北京) | Unburned material of a kind of thick slag of coal gasification and preparation method thereof |
| CN207210269U (en) * | 2017-06-02 | 2018-04-10 | 中国矿业大学(北京) | A kind of production system of the unburned material of the thick slag of coal gasification |
| CN107673670A (en) * | 2017-10-19 | 2018-02-09 | 贵州源隆新型环保墙体建材有限公司 | Glass fibre autoclave aerated concrete building block and preparation method thereof |
| CN110776334A (en) * | 2019-10-31 | 2020-02-11 | 中建材料技术研究成都有限公司 | Cement-based wallboard with large hollow rate and ultrahigh toughness and preparation method thereof |
| CN111217580A (en) * | 2020-02-28 | 2020-06-02 | 郑州市格沃环保开发有限公司 | Aerated concrete containing sludge gasification dry distillation residues and preparation method thereof |
| CN112194417A (en) * | 2020-09-29 | 2021-01-08 | 陕西科技大学 | Foaming non-steamed building block based on gasified slag and preparation method thereof |
| CN113105195A (en) * | 2021-02-24 | 2021-07-13 | 黄石市旺新环保科技有限公司 | Foam concrete block manufactured by utilizing solid waste and preparation method thereof |
| CN113548816A (en) * | 2021-08-13 | 2021-10-26 | 中冀建勘集团有限公司 | Activation method of coal gasification ash, activated coal gasification ash and application |
| CN113511868A (en) * | 2021-08-26 | 2021-10-19 | 西安科技大学 | Reactive powder concrete using massive coal mine industrial solid wastes and preparation method thereof |
| CN114772997A (en) * | 2022-03-31 | 2022-07-22 | 中国矿业大学 | Reinforced mining solid waste concrete and preparation method thereof |
Non-Patent Citations (4)
| Title |
|---|
| 商晓甫等: "煤气化炉渣研究现状及利用技术展望", 《环境工程技术学报》 * |
| 申改燕等: "关于煤化工气化炉渣资源化利用技术的探讨", 《能源与节能》 * |
| 过震文等: "《生活垃圾焚烧炉渣资源化理论与实践》", 28 February 2019, 上海科学技术出版社 * |
| 陈新疆等: "利用城市生活垃圾焚烧炉渣制备蒸压加气混凝土板材", 《砖瓦》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115849940A (en) * | 2022-09-09 | 2023-03-28 | 西安建筑科技大学 | Aerated concrete and preparation method thereof |
| CN115849940B (en) * | 2022-09-09 | 2024-03-15 | 西安建筑科技大学 | Aerated concrete and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN114014687B (en) | 2022-10-18 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106746818B (en) | A kind of concrete admixture, preparation method and the concrete containing the admixture | |
| CN102180631B (en) | Environment-friendly brick and preparation method thereof | |
| CN106810154A (en) | Mix superhigh tenacity cement-base composite material of PVA fibers and preparation method thereof | |
| CN107473658A (en) | A kind of material of ultra-high performance concrete containing coarse aggregate and preparation method thereof | |
| CN110981234A (en) | Cementing material and preparation method thereof | |
| CN103755279B (en) | A kind of RPC and preparation method thereof | |
| CN107056200B (en) | A method of environment friendly pervious brick is prepared using industrial melting waste slag | |
| CN106830835A (en) | Using the frost-resistant concrete of steam curing process | |
| CN114014687B (en) | Aerated concrete block prepared from gasified ash and slag and preparation method thereof | |
| CN105330254A (en) | Environmentally friendly bricks and production method thereof | |
| CN113955999A (en) | Retro brick prepared based on steel slag carbonization and preparation method thereof | |
| CN105418043A (en) | Environmental protection brick and preparation method thereof | |
| CN103864327B (en) | A kind of preparation method activating comminuted steel shot | |
| CN108529939A (en) | A kind of preparation method of steel scoria unburned brick | |
| CN106587675B (en) | A kind of high activity nickel slag base cement mixture and preparation method thereof | |
| CN106587867B (en) | The building block and preparation method thereof prepared using river sand as raw material | |
| CN105884235B (en) | A method of superelevation strong rubber gel material is prepared using granulated blast-furnace slag | |
| CN113580326A (en) | Processing method for improving mechanical property of environment-friendly baking-free brick | |
| CN111170704A (en) | Cement-based composite material and application thereof | |
| CN114477948B (en) | Method for preparing high-temperature-resistant steel slag brick by accelerated carbonization | |
| CN112851186B (en) | Special auxiliary agent for machine-made sand mortar of coal gangue and preparation method thereof | |
| CN103922675B (en) | Ready-mixed plastering mortar prepared from industrial waste liquid slag | |
| CN114179219B (en) | Preparation method of acidic aggregate asphalt concrete in plateau area and asphalt concrete | |
| CN113199593B (en) | Process for preparing high-strength modified sulfur concrete by cold water bath vibration forming method | |
| CN117623726A (en) | Novel superfine steel slag powder concrete formula |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |