CN112341016A

CN112341016A - Preparation method of novel wall building cementing material

Info

Publication number: CN112341016A
Application number: CN202011326352.8A
Authority: CN
Inventors: 谭纪林; 华建军; 华玉海; 曹敏; 张松; 牛成; 谭伟; 徐学成; 张会明
Original assignee: Huaian Cement Factory Co ltd
Current assignee: Huaian Cement Factory Co ltd
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-02-09

Abstract

The invention provides a preparation method of a novel wall building cementing material. The specific surface area of the novel wall building cementing material particles is more than 500m2/kg, the whiteness is more than 95 percent, and the strength, the breaking strength and the compression strength are respectively 3.6-2.0mpa and 20.2-48.5 mpa. The method for preparing the novel wall building cementitious material can comprise the following steps: providing F, CaO, MgO, AL contained in the necessary waste residue fluorine slag₂O₃、Fe₂O₃、SO₃、SiO₂And the like, so that the fluorine slag cementing material formed by heating, drying and dehydrating fuel source oil or gas is added into a proper amount of the novel wall building cementing material prepared by mixing and grinding dolomite through a drying kiln, and the mixture is mixed with a binder or water according to the weight ratio of 2: 1 the plastering material is mixed and used for inner and outer walls of houses and roof layers of industrial and civil building engineering and the like.

Description

Preparation method of novel wall building cementing material

Technical Field

The invention relates to a preparation method of a novel wall building cementing material produced by industrial waste residue fluorine slag, which is used for painting the inner and outer wall surfaces and the top layer of a house in industrial and civil building engineering and the like, 100% of the novel wall building cementing material replaces the wall cementing material produced by natural resources in the market at the present, is used as a building material for the inner and outer wall surfaces and the top layer of the house, and belongs to the technical field of environment protection resource utilization and novel wall materials.

Background

At present, a large amount of industrial waste residues and fluorine residues discharged after fluorine products are produced by some domestic enterprises are mainly stacked and buried, but the method has the defect of secondary environmental pollution, the fluorine residues are stacked and buried to occupy a large amount of farmlands, the operation cost per year is very high, the fluorine residues contain useful chemical components such as fluorine, calcium, zinc, sodium and the like, and the fluorine residues are utilized to produce a novel wall building cementing material, so that the novel wall building cementing material directly replaces 100% of wall plastering talcum powder cementing materials produced by natural resources on the market, and the price is high and the like.

Disclosure of Invention

The invention aims at the defects of the waste residue fluorine slag, and provides a preparation method for recycling and producing a novel wall building cementing material, the production process is advanced, simple and scientific, 100 percent of the novel wall building cementing material produced by recycling the waste residue fluorine slag directly replaces the wall building cementing material produced by using natural high-quality ore in the market, the utilization rate and the additional value of the waste residue fluorine slag are improved, the farmland stacking and landfill cost is saved, the environmental pollution is reduced, the ecological environment is protected, the natural high-quality ore resource is saved, and the production cost and the building wall painting cost are reduced.

In order to realize the technical indexes of the invention, the technical scheme adopted by the invention is as follows: novel wall bodyThe preparation method of the building cementing material comprises the following steps: firstly, preparing materials, namely selecting industrial waste residue fluorine slag discharged by a fluorine product production plant, wherein the water content is 25%, and the industrial waste residue fluorine slag contains chemical components: 10.5 percent of F, 56.5 percent of CaO, 1.2 percent of MyO, and Al₂O₃:1.3％、Fe₂O₃:1.1％、SO₃:10.5％、SiO₂10.5 percent, 0.02 percent of C1, and the like, the raw material is prepared with particles passing 380 meshes and the whiteness of more than 80 percent.

And (3) dehydrating according to the material mixing condition, namely, heating and drying the fluorine slag material subjected to dehydration reaction by using a fuel source through the selected prepared material through a drying kiln, wherein the water content is less than 1.0%, the fuel source contains oil or gas, and the temperature of the heating, drying and dehydration reaction is 150 ℃, namely the dehydrated fluorine slag material.

At present, a proper amount of additional material dolomite is added into the dehydrated fluorine slag material according to weight percentage for mixing, and the mixture is ground into particles with the specific surface area of more than 500m by a ball mill²A novel wall building cementing material per kg. Wherein, the weight percentage of the dehydrated fluorine slag material is 100 percent, the proper amount of the added material dolomite is 1 to 2 percent of the total weight, and the whiteness of the novel wall building gelled material is more than 95 percent.

The novel wall building cementing material is prepared by grinding, is packaged instead of a package for direct construction on a construction site, is mixed with a binder or water, and is widely used for plastering inner and outer walls of houses, top surfaces of houses and the like in industrial and civil building engineering. Wherein, the binder is sodium lignosulphonate or the mixture of water and the novel wall building cementing material with the proportion of 1: 2.

the quality technical standard of the novel wall building cementing material comprises the flexural strength of the novel wall building cementing material, 3.6mpa in 3 days, 7.0mpa in 28 days, the compressive strength of the novel wall building cementing material is 3 days, 20mpa in 28 days, and 48.5mpa in 28 days; the initial setting time is more than 60 minutes, the chloride ion is less than 0.06 percent, the fluorine content is 10.5 percent, the calcium oxide is 59.5 percent, and the whiteness is more than 95 percent.

The invention has the advantages that:

1. the invention recycles industrial waste residue fluorine slag to produce novel wall building cementing material, can directly replace the resource material produced by brushing natural ore on the wall in the market by 100 percent, is widely applied to the projects such as the inner and outer walls of houses, the roof layer of houses and the like of industrial, civil and other building projects, can play a role in heat insulation and preservation by brushing the wall, can breathe moist water of the wall, has no dust falling off, and has the characteristics of high strength, wear resistance, high bonding strength, no moisture, fire prevention and the like.

2. The invention is 100% of novel wall building cementing material produced by industrial waste residue fluorine slag, saves 100% of wall painting material produced by natural ore, saves energy and resources, reduces pollution to environment, saves a large amount of farmland stacking and landfill resources, and ensures ecological environment.

3. The invention provides a good technical scheme for processing waste residues for enterprises producing fluorine products by using the novel wall building cementing material produced by the waste residues and the fluorine residues, solves the problem that the fluorine residues cannot be used for 100 percent of the preparation method for producing the novel wall building cementing material, and saves the processing cost of stacking and burying.

4. The novel wall building cementing material is used for replacing a wall material produced by natural ore resources, reduces the production cost, also reduces the painting cost of a construction square wall, and obtains remarkable environmental benefit, social benefit and economic benefit.

5. The basic principle of the invention is to use theoretical analysis, experimental research and application inspection to research, establish a design method which takes industrial waste residue fluorine slag as 100 percent and an appropriate amount of additional materials as raw materials to form a composition, formulate the production processes of various components, content, particles, whiteness, drying and grinding contained in the fluorine slag, and take the influence of mineral composition, chemical composition, strength, time, fluorine content and whiteness performance of the prepared novel wall building cementing material as a mechanism.

Detailed Description

For understanding the present invention, the present invention is further described in detail with reference to the following examples, which are only for the purpose of illustration and are not to be construed as limiting the scope and limitation of the present invention.

Example 1

Firstly, selecting ingredients, taking waste residue fluorine slag as raw material, wherein the water content is 25%, and the chemical components comprise F, CaO, MgO and AL₂O₃、Fe₂O₃、SO₃、SiO₂And C1, the particle passes through 380 meshes, and the whiteness is more than 80%. Dehydrating, heating and drying the dehydration reaction temperature of 100 ℃ by adopting fuel source oil or gas through a drying kiln until the moisture content of the dehydrated fluorine slag material is 0.6%. The dehydrated fluorine slag material is mixed with 1 percent of dolomite according to the total weight by taking 100 percent of the weight percentage, and the mixture is ground into particles with the specific surface area of 502m by a ball mill²The novel wall building cementing material with the whiteness of 96.5 percent per kg is packaged instead of the novel wall building cementing material, and the novel wall building cementing material is prepared with binder or water according to the weight ratio of 1: 2 the interior and exterior walls and the roof of the house are mixed in proportion and used for the building engineering of industry, civil use and the like, the quality and technical standards of the novel wall building cementing material are detected, the strength of the novel wall building cementing material is 3 days, 3.7mpa of bending resistance and 28 days, 7.2mpa of compression resistance, 3 days, 22.1mpa and 28 days, 49.5mpa, the setting time is 75 minutes, the chloride ions are 0.03 percent, the fluorine is 10.8 percent, the calcium oxide is 60.3 percent, and the whiteness is 96.5 percent.

Example 2

Firstly, selecting ingredients, taking waste residue fluorine slag as raw material, wherein the water content is 25%, and the chemical components comprise F, CaO, MgO and AL₂O₃、Fe₂O₃、SO₃、SiO₂And C1, the particle passes through 380 meshes, and the whiteness is more than 80%. Dehydrating, and heating and drying the dehydration reaction temperature of 150 ℃ to 0.4% of the moisture of the dehydrated fluorine slag material by adopting fuel source oil or gas through a drying kiln. The dehydrated fluorine slag material is mixed with dolomite of 2 percent according to the total weight and the weight percentage is 100 percent, and the mixture is ground into particles with the specific surface area of 516m by a ball mill²The novel wall building cementing material with the whiteness of 98 percent is packaged instead of the prior wall building cementing material, and is prepared with a binder or water and the novel wall building material according to the weight ratio of 1: 2 ratio mixing used for industrial and civil building engineering, the quality technical standard is detected, the novel wall building cementing material has the strength of 3 days, the bending resistance is 4.1mpa, 28 days, 7.6mpa, the compression resistance is 3 days, 23.5mpa, 28 days, 51.2mpa, the coagulation resistance is 3 days, the wall building cementing material is used for building the wall in the house, the wall building is made of the same material, and the wall building cementing material is made of the same materialInitial setting time is 81 minutes, chloride ions are 0.025 percent, fluorine is 11.1 percent, calcium oxide is 61.1 percent, and whiteness is 98.5 percent.

The present invention should not be considered limited to the particular examples described above, but rather should be understood to cover all aspects of the invention, as modifications, adaptations of the invention, and numerous technical criteria will be apparent to those skilled in the art.

Claims

1. The preparation method of the novel wall building cementing material is characterized by comprising the following steps: the novel wall building cementing material is prepared by taking industrial waste residue fluorine slag discharged by a fluorine product production plant as a raw material, containing free water, useful chemical components and white granular powdery materials, mixing the raw materials in percentage by weight through controlling the temperature and the moisture of the fluorine slag material specified by a drying kiln fuel source oil or gas heating dehydration reaction, adding a proper amount of the materials in percentage by weight, mixing the materials together, and grinding the materials to prepare the novel wall building cementing material meeting the specification of particle specific surface area, strength, condensation time, fluorine, calcium oxide, chloride ions and whiteness standards. Then the novel wall building cementing material is mixed with a binder or water according to a certain proportion and is used as a painting material for the indoor and outdoor walls and the roof surfaces of industrial and civil building engineering houses and the like.

2. The method of claim 1, wherein the fluorine slag as raw material contains 25% water, and comprises the chemical components of F10.5%, CaO 56.5%, MgO 1.2%, and Al₂O₃:1.3％、Fe₂O₃:1.1％、SO₃:10.5％、SiO₂10.5 percent and 0.02 percent of C1, wherein the particles pass through a 380-mesh sieve and have whiteness of more than 80 percent.

3. The method as claimed in claim 1, wherein the waste fluorine slag is dried into fluorine slag material by dehydration reaction of fuel source oil or gas for drying kiln by heating, the temperature for heating and drying is 100-150 ℃, and the moisture content for heating and drying into fluorine slag material is 1.0%.

4. The method of claim 1, wherein the dried fluorine-containing slag material is 100 wt%, and an appropriate amount of dolomite is 1-2 wt%, which are mixed and ground together to form the novel wall construction binding material.

5. The method of claim 1, wherein the quality technical standard of the novel wall construction binding material is as follows:

the standard of the specific surface area of the particles is more than 500m 2/kg.

The strength standard is 3.6MPa in 3 days, 7.0MPa in 28 days, 20.0MPa in 3 days and 48.5MPa in 28 days;

the setting time standard initial setting is more than 60 minutes.

The standard of fluorine content is 10.5%.

The standard of the content of the calcium oxide is 59.5 percent.

The content standard of the chloride ion is less than 0.06 percent.

The whiteness standard is more than 95%.

6. The method of claim 1 wherein the novel wallbuilding cementitious material is mixed with a binder or water in a ratio of 2: 1 proportion is used for brushing flour on the inner and outer walls and the top layer of a house in the building engineering of industry, civil use and the like, and the binder is sodium lignosulphonate.