CN113831098A - Production and application method for producing plastering mortar by using industrial byproduct gypsum - Google Patents

Production and application method for producing plastering mortar by using industrial byproduct gypsum Download PDF

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Publication number
CN113831098A
CN113831098A CN202111184088.3A CN202111184088A CN113831098A CN 113831098 A CN113831098 A CN 113831098A CN 202111184088 A CN202111184088 A CN 202111184088A CN 113831098 A CN113831098 A CN 113831098A
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China
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parts
mortar
industrial
follows
gypsum
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CN202111184088.3A
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Chinese (zh)
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赵开磊
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Individual
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Priority to CN202111184088.3A priority Critical patent/CN113831098A/en
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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
    • 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
    • C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
    • C04B14/02—Granular materials, e.g. microballoons
    • C04B14/04—Silica-rich materials; Silicates
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/02—Coverings or linings, e.g. for walls or ceilings of plastic materials hardening after applying, e.g. plaster
    • 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
    • C04B2111/00025—Aspects relating to the protection of the health, e.g. materials containing special additives to afford skin protection
    • 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
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00482—Coating or impregnation 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
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/00474—Uses not provided for elsewhere in C04B2111/00
    • C04B2111/00612—Uses not provided for elsewhere in C04B2111/00 as one or more layers of a layered structure

Abstract

The invention relates to the field of building materials, in particular to a method for producing plastering mortar by using industrial byproduct gypsum and a construction application method using the product. A method for utilizing industrial by-product gypsum to produce plastering mortar, add 40-80 parts of industrial by-product gypsum into agitator, add materials such as compound water-retaining agent 0.1-1 parts, retarder 0.05-0.3 parts sequentially while stirring, after stirring for 5-10min, add supporting aggregate 10-20 parts into material stirred evenly, make the bottom mortar; and adding 30-90 parts of industrial by-product gypsum, 0.1-1 part of composite water-retaining agent and the like into a stirrer, stirring for 3-5min, adding 10-90 parts of construction-enhancing auxiliary materials into the stirrer, weighing and packaging to obtain the surface mortar. The method can change industrial byproduct gypsum into valuables, and simultaneously can save the putty applying process in indoor building construction and save manpower and material resources on the premise of ensuring the engineering quality.

Description

Production and application method for producing plastering mortar by using industrial byproduct gypsum
Technical Field
The invention relates to the field of building materials, in particular to a method for producing plastering mortar by using industrial byproduct gypsum and a construction application method using the product.
Background
The industrial by-product gypsum, also called chemical gypsum, refers to an industrial by-product which is generated by chemical reaction in industrial production and takes calcium sulfate (mainly anhydrous and dihydrate calcium sulfate) as a main component. For example: phosphogypsum is produced in the production process of phosphorus chemical fertilizers, compound fertilizers and various additives, desulfurized gypsum produced by large coal-fired facilities through lime wet desulphurization, citric acid gypsum produced in the process of preparing citric acid through a fermentation method, fluorgypsum produced in the process of preparing hydrogen fluoride through decomposing fluorite with sulfuric acid, salt gypsum produced in other chemical production and the like are main varieties of chemical gypsum. In the industrial by-product gypsum, the content of the effective component dihydrate gypsum is generally higher, and can reach 75-95%, which is equivalent to the content of the effective component of more than two grades of gypsum. If the content of the effective components is not counted but the influence of harmful impurities is not counted, the industrial byproduct gypsum can be used as a high-quality gypsum production raw material. However, a large amount of various high-quality industrial by-product gypsum is still treated by adopting a land buying and stacking mode, so that land occupation is caused, environmental protection is influenced, and resources are wasted.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a method for producing plastering mortar by using industrial by-product gypsum, which can change the industrial by-product gypsum into valuable, and can save a putty plastering process during indoor building construction and save manpower and material resources on the premise of ensuring the engineering quality.
In order to solve the problems of the prior art, the invention discloses a method for producing plastering mortar by using industrial by-product gypsum, which comprises the steps of firstly adding 40-80 parts of the industrial by-product gypsum into a stirrer, sequentially adding 0.1-1 part of a composite water-retaining agent, 0.05-0.3 part of a retarder, 10-20 parts of triple superphosphate, 0.2-1 part of polypropylene fiber and 1-10 parts of tourmaline micropowder during stirring, adding 10-20 parts of a support aggregate into the uniformly stirred materials after uniformly stirring for 5-10min, then stirring, weighing and packaging after uniformly stirring to obtain bottom layer mortar;
and adding 30-90 parts of industrial by-product gypsum, 0.1-1 part of composite water-retaining agent, 0.05-0.5 part of retarder, 0.5-3 parts of light calcium carbonate and 1-10 parts of tourmaline micropowder into a stirrer, stirring for 3-5min, adding 10-90 parts of reinforcing construction auxiliary materials into the stirrer after stirring uniformly, continuing stirring for 5-10min, weighing and packaging after stirring uniformly to obtain the surface layer mortar.
Preferably, in the preparation process of the bottom layer mortar, the adding proportion of the industrial byproduct gypsum is 40-80 parts, the adding proportion of the composite water-retaining agent is 0.4-0.7 part, and the adding proportion of the retarder is as follows: 0.1-0.2 part of coarse whiting, wherein the adding proportion of coarse whiting is as follows: 12-16 parts of polypropylene fibers, wherein the adding proportion of the polypropylene fibers is as follows: 0.4 to 0.7 portion of tourmaline micropowder with the addition proportion as follows: 4-7 parts; in the preparation process of the surface mortar, the addition proportion of the industrial by-product gypsum is as follows: 50-70 parts of composite water-retaining agent, wherein the adding proportion of the composite water-retaining agent is as follows: 0.3-0.6 part of retarder, wherein the addition ratio of the retarder is as follows: 0.2-0.3 part of light calcium carbonate, wherein the adding proportion of the light calcium carbonate is as follows: 1-1.5 parts of tourmaline micropowder, wherein the addition ratio of the tourmaline micropowder is as follows: 4-6 parts.
Preferably, the support aggregate is: one or more of vitrified micro bubbles, river sand, quartz sand, expanded perlite, light calcium carbonate, heavy calcium carbonate or talcum powder.
Preferably, the water-retaining agent is hydroxypropyl methyl cellulose and one or two of cellulose ether and thixotropic agent.
Preferably, the reinforcing construction auxiliary material comprises one or a combination of more of calcium hydroxide, heavy calcium carbonate or talcum powder.
An application method of plastering mortar produced by using industrial byproduct gypsum comprises the following steps of adding water into bottom mortar for blending, wherein the proportion of the bottom mortar to the water is as follows: 1:2, coating bottom layer mortar on the surface of a brick body, fixing a glass fiber net on the bottom layer mortar after the bottom layer mortar is solidified, and coating a mixture of surface layer mortar and water on the outer layer of the glass fiber net, wherein the ratio of the surface layer mortar to the water is as follows: 1:2.5.
The invention has the beneficial effects that: the industrial byproduct resources are utilized to produce the industrial building materials, and the method has good economic and social benefits. During construction, two layers of mortar are coated in sequence, and a layer of glass fiber net is sandwiched between the two layers of mortar, so that the procedure of plastering putty can be omitted, and the problems of decoration peculiar smell and the like of the gypsum-based building material can not be generated basically in the subsequent use process. Tourmaline micropowder is added into the bottom layer mortar and the surface layer mortar, and after the mortar is coated, negative oxygen ions can be continuously emitted outwards, and harmful substances such as formaldehyde in a room can be adsorbed.
Detailed Description
The present invention will be further described below. The following examples are merely intended to more clearly illustrate the structure of the present invention.
A method for utilizing industrial by-product gypsum to produce plastering mortar, add 40-80 parts of industrial by-product gypsum into agitator at first, add compound water-retaining agent 0.1-1 part, retarder 0.05-0.3 part, coarse whiting 10-20 parts, polypropylene fiber 0.2-1 part, tourmaline micropowder 1-10 parts sequentially while stirring, after 5-10min of even stirring, add supporting aggregate 10-20 parts into even stirred supplies, stir again, weigh and pack, make bottom mortar;
and adding 30-90 parts of industrial by-product gypsum, 0.1-1 part of composite water-retaining agent, 0.05-0.5 part of retarder, 0.5-3 parts of light calcium carbonate and 1-10 parts of tourmaline micropowder into a stirrer, stirring for 3-5min, adding 10-90 parts of reinforcing construction auxiliary materials into the stirrer after stirring uniformly, continuing stirring for 5-10min, weighing and packaging after stirring uniformly to obtain the surface layer mortar.
In the preparation process of bottom layer mortar, the adding proportion of the industrial by-product gypsum is 40-80 parts, the adding proportion of the composite water-retaining agent is 0.4-0.7 part, and the adding proportion of the retarder is as follows: 0.1-0.2 part of coarse whiting, wherein the adding proportion of coarse whiting is as follows: 12-16 parts of polypropylene fibers, wherein the adding proportion of the polypropylene fibers is as follows: 0.4 to 0.7 portion of tourmaline micropowder with the addition proportion as follows: 4-7 parts; in the preparation process of the surface mortar, the addition proportion of the industrial by-product gypsum is as follows: 50-70 parts of composite water-retaining agent, wherein the adding proportion of the composite water-retaining agent is as follows: 0.3-0.6 part of retarder, wherein the addition ratio of the retarder is as follows: 0.2-0.3 part of light calcium carbonate, wherein the adding proportion of the light calcium carbonate is as follows: 1-1.5 parts of tourmaline micropowder, wherein the addition ratio of the tourmaline micropowder is as follows: 4-6 parts.
The supporting aggregate is: one or more of vitrified micro bubbles, river sand, quartz sand, expanded perlite, light calcium, heavy calcium or talcum powder, the water-retaining agent is one or the combination of two of hydroxypropyl methylcellulose, cellulose ether and thixotropic agent, and the reinforcing construction auxiliary material comprises one or the combination of more of calcium hydroxide, heavy calcium or talcum powder.
An application method of plastering mortar produced by using industrial byproduct gypsum comprises the following steps of adding water into bottom mortar for blending, wherein the proportion of the bottom mortar to the water is as follows: 1:2, coating bottom layer mortar on the surface of a brick body, fixing a glass fiber net on the bottom layer mortar after the bottom layer mortar is solidified, and coating a mixture of surface layer mortar and water on the outer layer of the glass fiber net, wherein the ratio of the surface layer mortar to the water is as follows: 1:2.5.
The invention has the beneficial effects that: the industrial byproduct resources are utilized to produce the industrial building materials, and the method has good economic and social benefits. During construction, two layers of mortar are coated in sequence, and a layer of glass fiber net is sandwiched between the two layers of mortar, so that the procedure of plastering putty can be omitted, and the problems of decoration peculiar smell and the like of the gypsum-based building material can not be generated basically in the subsequent use process. Tourmaline micropowder is added into the bottom layer mortar and the surface layer mortar, and after the mortar is coated, negative oxygen ions can be continuously emitted outwards, and harmful substances such as formaldehyde in a room can be adsorbed.
Tests show that the plastering mortar produced by the method is superior to the existing combination mode of cement, putty and exterior decorative materials in the aspects of tensile bonding strength, compressive strength and surface appearance state after the surface of a wall body is coated. And because the gypsum building material is a porous material, moisture can be absorbed when the indoor humidity is high, and moisture can be released in pores when the indoor humidity is low, so that the indoor humidity is automatically adjusted, and the problems of peeling, cracking, alkali rising, powder removal, bulging and the like of the wall skin are not easy to occur.
The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (6)

1. A method for producing plastering mortar by using industrial byproduct gypsum is characterized by comprising the following steps: firstly, 40-80 parts of industrial byproduct gypsum are added into a stirrer, 0.1-1 part of composite water-retaining agent, 0.05-0.3 part of retarder, 10-20 parts of triple superphosphate, 0.2-1 part of polypropylene fiber and 1-10 parts of tourmaline micropowder are sequentially added in the stirring process, after the materials are uniformly stirred for 5-10min, 10-20 parts of supporting aggregate are added into the uniformly stirred materials, the materials are stirred again, and after the materials are uniformly stirred, the materials are weighed and packaged to prepare bottom-layer mortar;
and adding 30-90 parts of industrial by-product gypsum, 0.1-1 part of composite water-retaining agent, 0.05-0.5 part of retarder, 0.5-3 parts of light calcium carbonate and 1-10 parts of tourmaline micropowder into a stirrer, stirring for 3-5min, adding 10-90 parts of reinforcing construction auxiliary materials into the stirrer after stirring uniformly, continuing stirring for 5-10min, weighing and packaging after stirring uniformly to obtain the surface layer mortar.
2. The method for producing plastering mortar by using industrial by-product gypsum according to claim 1, wherein: in the preparation process of bottom layer mortar, the adding proportion of the industrial by-product gypsum is 40-80 parts, the adding proportion of the composite water-retaining agent is 0.4-0.7 part, and the adding proportion of the retarder is as follows: 0.1-0.2 part of coarse whiting, wherein the adding proportion of coarse whiting is as follows: 12-16 parts of polypropylene fibers, wherein the adding proportion of the polypropylene fibers is as follows: 0.4 to 0.7 portion of tourmaline micropowder with the addition proportion as follows: 4-7 parts;
in the preparation process of the surface mortar, the addition proportion of the industrial by-product gypsum is as follows: 50-70 parts of composite water-retaining agent, wherein the adding proportion of the composite water-retaining agent is as follows: 0.3-0.6 part of retarder, wherein the addition ratio of the retarder is as follows: 0.2-0.3 part of light calcium carbonate, wherein the adding proportion of the light calcium carbonate is as follows: 1-1.5 parts of tourmaline micropowder, wherein the addition ratio of the tourmaline micropowder is as follows: 4-6 parts.
3. The method for producing plastering mortar by using industrial by-product gypsum according to claim 2, wherein: the supporting aggregate is: one or more of vitrified micro bubbles, river sand, quartz sand, expanded perlite, light calcium carbonate, heavy calcium carbonate or talcum powder.
4. The method for producing plastering mortar by using industrial by-product gypsum according to claim 3, wherein: the water-retaining agent is one or the combination of two of hydroxypropyl methylcellulose, cellulose ether and thixotropic agent.
5. The method for producing plastering mortar by using industrial by-product gypsum according to claim 4, wherein: the reinforcing construction auxiliary material comprises one or a combination of more of calcium hydroxide, heavy calcium carbonate or talcum powder.
6. An application method of plastering mortar produced by using industrial byproduct gypsum is characterized in that: adding water into the bottom layer mortar for blending, wherein the ratio of the bottom layer mortar to the water is as follows: 1:2, coating bottom layer mortar on the surface of a brick body, fixing a glass fiber net on the bottom layer mortar after the bottom layer mortar is solidified, and coating a mixture of surface layer mortar and water on the outer layer of the glass fiber net, wherein the ratio of the surface layer mortar to the water is as follows: 1:2.5.
CN202111184088.3A 2021-10-11 2021-10-11 Production and application method for producing plastering mortar by using industrial byproduct gypsum Pending CN113831098A (en)

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CN202111184088.3A CN113831098A (en) 2021-10-11 2021-10-11 Production and application method for producing plastering mortar by using industrial byproduct gypsum

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202111184088.3A CN113831098A (en) 2021-10-11 2021-10-11 Production and application method for producing plastering mortar by using industrial byproduct gypsum

Publications (1)

Publication Number Publication Date
CN113831098A true CN113831098A (en) 2021-12-24

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Family Applications (1)

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