CN114349456A - Preparation method of environment-friendly light plastering gypsum - Google Patents
Preparation method of environment-friendly light plastering gypsum Download PDFInfo
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- CN114349456A CN114349456A CN202210074000.0A CN202210074000A CN114349456A CN 114349456 A CN114349456 A CN 114349456A CN 202210074000 A CN202210074000 A CN 202210074000A CN 114349456 A CN114349456 A CN 114349456A
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Abstract
The invention provides a preparation method of environment-friendly light plastering gypsum, which is prepared from the following raw materials in parts by weight: 750 kg of desulfurized gypsum, 20-30kg of coal cinder, 20-80kg of coal ash, 45-55kg of heavy calcium powder, 80-100kg of expanded perlite, 3-5kg of cementing material and 1-2kg of expanded vermiculite. The environment-friendly light plastering gypsum is prepared by taking waste desulfurized gypsum, coal cinder and coal ash powder as main materials, adding a cementing material and expanded vermiculite and mixing, so that the recycling of waste materials is realized, the light plastering gypsum is more economic and environment-friendly, and the produced light plastering gypsum can generate a large amount of negative ions when in use, is beneficial to human health and improves the using effect of the light plastering gypsum.
Description
Technical Field
The invention belongs to the technical field of building materials, and particularly relates to a preparation method of environment-friendly light plastering gypsum.
Background
In the building decoration process, in order to ensure the tidiness and beauty of the indoor wall surface, a layer of light plastering gypsum is often required to be coated on the indoor wall surface.
However, the light plastering gypsum is prepared by mainly grinding natural ore and mixing with auxiliary additives such as retarder, water reducer and the like, so that on one hand, the preparation cost of the light plastering gypsum is high, on the other hand, the light plastering gypsum can emit peculiar smell after being used, which is not beneficial to human health and reduces the using effect of the light plastering gypsum.
Disclosure of Invention
In view of the above, the invention aims to provide a preparation method of environment-friendly light plastering gypsum, which is prepared by taking waste desulfurized gypsum, coal cinder and coal ash powder as main materials and adding a cementing material and expanded vermiculite for mixing, so that the recycling of waste materials is realized, the light plastering gypsum is more economic and environment-friendly, and the produced light plastering gypsum can generate a large amount of negative ions during use, thereby being beneficial to human health and improving the use effect of the light plastering gypsum.
In order to achieve the purpose, the technical scheme of the invention is realized as follows:
the preparation method of the environment-friendly light plastering gypsum comprises the following raw materials in parts by weight: 750 kg of desulfurized gypsum, 20-30kg of coal cinder, 20-80kg of coal ash, 45-55kg of heavy calcium powder, 80-100kg of expanded perlite, 3-5kg of cementing material and 1-2kg of expanded vermiculite.
Further, the optimal proportion of the environment-friendly light plastering gypsum is as follows: 780kg of desulfurized gypsum, 20kg of coal cinder, 50kg of coal ash, 50kg of heavy calcium powder, 95kg of expanded perlite, 5kg of cementing material and 1kg of expanded vermiculite.
Further, the cementing material is prepared by mixing hydroxypropyl methylcellulose HPMC, a thixotropic agent and a retarder according to the ratio of 1:1:3, wherein the thixotropic agent is sodium bentonite, and the retarder is an inorganic acid retarder.
Furthermore, the expanded vermiculite and the expanded perlite are powdery products, the expanded vermiculite is a capacitor structure consisting of high-insulation layered mica sheets, a large amount of charges in the air can be adsorbed, after the gradually accumulated charges touch water molecules, a discharge ionization effect can be generated at the edges of the layered mica sheets, water in the air can be ionized to generate air negative ions, a coating prepared by the expanded vermiculite can generate a large amount of negative ions after meeting water, the low-energy excited negative ions are small-particle-size nanometer negative ions mainly comprising OH- (H2O) n, and the small-particle-size negative ions have good biological activity and can easily penetrate through the blood brain barrier of a human body and enter cells of the human body to exert a biological effect.
The preparation method of the environment-friendly light plastering gypsum comprises the following steps:
step (1): mixing and stirring desulfurized gypsum, coal cinder, coal ash powder, heavy calcium powder and expanded perlite according to an optimal ratio to obtain a mixed material A for later use;
step (2): mixing and stirring the mixed material A obtained in the step (1) and the mixed cementing material to obtain a mixed material B for later use;
and (3): and (3) adding corresponding expanded vermiculite into the mixed material in the step (2) for stirring, and uniformly mixing the expanded vermiculite with the mixed material to obtain the environment-friendly light plastering gypsum.
Further, the use method of the environment-friendly light plastering gypsum comprises the following steps: when the environment-friendly light plastering gypsum powder is used, the environment-friendly light plastering gypsum powder is firstly stirred to be in a slurry state according to the water-material ratio of 1:3, and then the environment-friendly light plastering gypsum is smeared on an indoor wall surface only through a plastering plate, so that the environment-friendly light plastering gypsum can be put into use.
Compared with the prior art, the environment-friendly light plastering gypsum has the following advantages:
the environment-friendly light plastering gypsum is prepared by taking waste desulfurized gypsum, coal cinder and coal ash powder as main materials, adding a cementing material and expanded vermiculite and mixing, so that the recycling of waste materials is realized, the light plastering gypsum is more economic and environment-friendly, and the produced light plastering gypsum can generate a large amount of negative ions when in use, is beneficial to human health and improves the using effect of the light plastering gypsum.
Detailed Description
Unless defined otherwise, technical terms used in the following examples have the same meanings as commonly understood by one of ordinary skill in the art to which the present invention belongs.
The present invention will be described in detail below.
The preparation process of environment friendly light plastering gypsum includes desulfurized gypsum 750 kg, cinder 20-30kg, coal ash 20-80kg, heavy calcium powder 45-55kg, expanded perlite 80-100kg, cementing material 3-5kg and expanded vermiculite 1-2 kg.
In this embodiment, the optimal ratio of the environment-friendly lightweight plastering gypsum is as follows: 780kg of desulfurized gypsum, 20kg of coal cinder, 50kg of coal ash, 50kg of heavy calcium powder, 95kg of expanded perlite, 5kg of cementing material and 1kg of expanded vermiculite.
In the embodiment, the cementing material is prepared by mixing hydroxypropyl methylcellulose HPMC, a thixotropic agent and a retarder according to the proportion of 1:1:3, wherein the thixotropic agent is sodium bentonite, and the retarder is an inorganic acid retarder.
In the embodiment, the expanded vermiculite and the expanded perlite are powdery products, the expanded vermiculite is a capacitor structure consisting of high-insulation layered mica sheets, a large amount of charges in the air can be adsorbed, the gradually accumulated charges can generate a discharge ionization effect at the edges of the layered mica sheets after contacting with water molecules, water in the air can be ionized to generate air negative ions, a coating prepared by the expanded vermiculite can generate a large amount of negative ions after contacting with water, the low-energy excited negative ions are small-particle-size nanometer negative ions mainly comprising OH- (H2O) n, and the small-particle-size negative ions have good biological activity, easily penetrate through the blood brain barrier of a human body and enter human cells to exert a biological effect.
The preparation method of the environment-friendly light plastering gypsum comprises the following steps:
step (1): mixing and stirring desulfurized gypsum, coal cinder, coal ash powder, heavy calcium powder and expanded perlite according to an optimal ratio to obtain a mixed material A for later use;
step (2): mixing and stirring the mixed material A obtained in the step (1) and the mixed cementing material to obtain a mixed material B for later use;
and (3): and (3) adding corresponding expanded vermiculite into the mixed material in the step (2) for stirring, and uniformly mixing the expanded vermiculite with the mixed material to obtain the environment-friendly light plastering gypsum.
In the embodiment, the use method of the environment-friendly light plastering gypsum is as follows: when the environment-friendly light plastering gypsum powder is used, the environment-friendly light plastering gypsum powder is firstly stirred to be in a slurry state according to the water-material ratio of 1:3, and then the environment-friendly light plastering gypsum is smeared on an indoor wall surface only through a plastering plate, so that the environment-friendly light plastering gypsum can be put into use.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.
Claims (6)
1. A preparation method of environment-friendly light plastering gypsum is characterized by comprising the following steps: the environment-friendly light plastering gypsum is prepared from the following raw materials in parts by weight: 750 kg of desulfurized gypsum, 20-30kg of coal cinder, 20-80kg of coal ash, 45-55kg of heavy calcium powder, 80-100kg of expanded perlite, 3-5kg of cementing material and 1-2kg of expanded vermiculite.
2. The preparation method of the environment-friendly light plastering gypsum according to claim 1, characterized in that: the optimal proportion of the environment-friendly light plastering gypsum is as follows: 780kg of desulfurized gypsum, 20kg of coal cinder, 50kg of coal ash, 50kg of heavy calcium powder, 95kg of expanded perlite, 5kg of cementing material and 1kg of expanded vermiculite.
3. The preparation method of the environment-friendly light plastering gypsum according to claim 1, characterized in that: the gel material is prepared by mixing hydroxypropyl methylcellulose HPMC, thixotropic agent and retarder according to the ratio of 1:1: 3.
4. The preparation method of the environment-friendly light plastering gypsum according to claim 1, characterized in that: the expanded vermiculite and the expanded perlite are both powdery products.
5. The method for preparing environment-friendly lightweight plastering gypsum according to any one of claims 1 to 4, wherein the method comprises the following steps: the method comprises the following steps:
step (1): mixing and stirring desulfurized gypsum, coal cinder, coal ash powder, heavy calcium powder and expanded perlite according to an optimal ratio to obtain a mixed material A for later use;
step (2): mixing and stirring the mixed material A obtained in the step (1) and the mixed cementing material to obtain a mixed material B for later use;
and (3): and (3) adding corresponding expanded vermiculite into the mixed material in the step (2) for stirring, and uniformly mixing the expanded vermiculite with the mixed material to obtain the environment-friendly light plastering gypsum.
6. The preparation method of the environment-friendly light plastering gypsum according to claim 5, characterized in that: the use method of the environment-friendly light plastering gypsum comprises the following steps: when the environment-friendly light plastering gypsum is used, firstly, the environment-friendly light plastering stone powder is stirred to be in a slurry state according to the water-material ratio of 1:3, and then, the environment-friendly light plastering gypsum is smeared on an indoor wall surface only through a plastering plate, so that the environment-friendly light plastering gypsum can be put into use.
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| CN202210074000.0A CN114349456A (en) | 2022-01-21 | 2022-01-21 | Preparation method of environment-friendly light plastering gypsum |
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| CN202210074000.0A CN114349456A (en) | 2022-01-21 | 2022-01-21 | Preparation method of environment-friendly light plastering gypsum |
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Cited By (3)
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| CN115432983A (en) * | 2022-08-30 | 2022-12-06 | 山东中岩重科新材料科技有限公司 | Lightweight plastering gypsum and application thereof |
| CN115557770A (en) * | 2022-10-22 | 2023-01-03 | 江苏元丰新型建材科技有限公司 | Light plastering gypsum capable of eliminating formaldehyde and releasing negative oxygen ions and preparation method thereof |
| CN115572139A (en) * | 2022-09-29 | 2023-01-06 | 英德市瑞大新材料有限公司 | Light coal cinder low-carbon heat-preservation full-function exterior wall coating |
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| CN108530009A (en) * | 2018-07-06 | 2018-09-14 | 申志斌 | A kind of inner wall of building lightweight plastering gupsum |
| KR20190104655A (en) * | 2018-03-02 | 2019-09-11 | 남관우 | Method for manufacturing building interior material and building interior material |
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| CN112759342A (en) * | 2020-12-31 | 2021-05-07 | 厦门高辰新材料有限公司 | Lightweight plastering gypsum and construction method thereof |
| CN113024218A (en) * | 2021-04-19 | 2021-06-25 | 唐山凯捷脱硫石膏制品有限公司 | Method for preparing light plastering gypsum from regenerated polyurethane powder |
| CN113024210A (en) * | 2019-12-25 | 2021-06-25 | 福建巨久建筑材料有限公司 | Light plastering gypsum |
| CN113213870A (en) * | 2021-04-28 | 2021-08-06 | 浙申环保材料(宁波)有限公司 | Better-performance light plastering gypsum |
| CN113929417A (en) * | 2021-10-19 | 2022-01-14 | 广东凯恩德环保建材有限公司 | Light plastering gypsum |
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2022
- 2022-01-21 CN CN202210074000.0A patent/CN114349456A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| KR20190104655A (en) * | 2018-03-02 | 2019-09-11 | 남관우 | Method for manufacturing building interior material and building interior material |
| CN108530009A (en) * | 2018-07-06 | 2018-09-14 | 申志斌 | A kind of inner wall of building lightweight plastering gupsum |
| CN110482985A (en) * | 2019-09-07 | 2019-11-22 | 江西和正建材有限公司 | A kind of anion lightweight plastering gupsum |
| CN113024210A (en) * | 2019-12-25 | 2021-06-25 | 福建巨久建筑材料有限公司 | Light plastering gypsum |
| CN112759342A (en) * | 2020-12-31 | 2021-05-07 | 厦门高辰新材料有限公司 | Lightweight plastering gypsum and construction method thereof |
| CN113024218A (en) * | 2021-04-19 | 2021-06-25 | 唐山凯捷脱硫石膏制品有限公司 | Method for preparing light plastering gypsum from regenerated polyurethane powder |
| CN113213870A (en) * | 2021-04-28 | 2021-08-06 | 浙申环保材料(宁波)有限公司 | Better-performance light plastering gypsum |
| CN113929417A (en) * | 2021-10-19 | 2022-01-14 | 广东凯恩德环保建材有限公司 | Light plastering gypsum |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115432983A (en) * | 2022-08-30 | 2022-12-06 | 山东中岩重科新材料科技有限公司 | Lightweight plastering gypsum and application thereof |
| CN115572139A (en) * | 2022-09-29 | 2023-01-06 | 英德市瑞大新材料有限公司 | Light coal cinder low-carbon heat-preservation full-function exterior wall coating |
| CN115557770A (en) * | 2022-10-22 | 2023-01-03 | 江苏元丰新型建材科技有限公司 | Light plastering gypsum capable of eliminating formaldehyde and releasing negative oxygen ions and preparation method thereof |
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Application publication date: 20220415 |