CN107352872B - Diatom sand bead and high-strength environment-friendly thermal insulation mortar containing same - Google Patents
Diatom sand bead and high-strength environment-friendly thermal insulation mortar containing same Download PDFInfo
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- CN107352872B CN107352872B CN201710639523.4A CN201710639523A CN107352872B CN 107352872 B CN107352872 B CN 107352872B CN 201710639523 A CN201710639523 A CN 201710639523A CN 107352872 B CN107352872 B CN 107352872B
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- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
- C04B20/04—Heat treatment
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- 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
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- 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
- C04B2111/00017—Aspects relating to the protection of the environment
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- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/28—Fire resistance, i.e. materials resistant to accidental fires or high temperatures
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- 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
- C04B2111/20—Resistance against chemical, physical or biological attack
- C04B2111/29—Frost-thaw resistance
-
- 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
- C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
- C04B2111/52—Sound-insulating materials
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- 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
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- 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
- C04B2201/30—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values
- C04B2201/32—Mortars, concrete or artificial stone characterised by specific physical values for heat transfer properties such as thermal insulation values, e.g. R-values for the thermal conductivity, e.g. K-factors
-
- 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
Abstract
The invention relates to diatomite and high-strength environment-friendly heat-insulating mortar containing the diatomite. The thermal insulation mortar comprises 50-60% of diatomite beads, 10-20% of diatom powder, 5-8% of environment-friendly latex powder, 10-20% of cement, 1% of wood fiber, 2% of cellulose, 0-10% of vitrified micro bubbles and water; the thermal insulation mortar can replace cement mortar, is directly smeared on the brick surface of a building wall, can be directly used as an outer wall for other decoration processes, can well adsorb formaldehyde generated by indoor decoration when being used as an inner wall, is environment-friendly and can purify indoor air; has the advantages of light weight, low heat conductivity, environmental protection, heat preservation, high temperature resistance, fire prevention, low temperature resistance, noise reduction, moisture prevention, mildew prevention, dewing prevention, no radioactive substance, stable physical and chemical properties and the like.
Description
Technical Field
The invention belongs to the field of heat insulation materials for buildings, and particularly relates to diatomite beads and high-strength environment-friendly heat insulation mortar containing the diatomite beads, which can be directly used on a brick wall. It becomes an organic whole with the building wall, and with building subject life-span, the fungible wall cement mortar, not using cement mortar to plaster, use this product direct substitution can.
Background
The wall heat-insulating material is a novel wall material developed in recent years, and can greatly save the wall material, improve the heat-insulating property of the wall, save resources and reduce environmental pollution.
The thermal insulation material products are very many, and can be roughly divided into the following parts in use: (1) external thermal insulation board of outer wall: extruded sheets, polystyrene boards, perlite boards, rock wool boards and the like, wherein the sheets need to be simultaneously coated with heat-insulating bonding mortar and anti-cracking mortar. (2) Heat-insulating mortar: DY inorganic active wall thermal insulation material, perlite thermal insulation mortar, MPC thermal insulation mortar, polyphenyl particle thermal insulation mortar, fly ash modified thermal insulation mortar and the like. From the classification, one can classify as: (1) organic materials (such as polystyrene board, extruded board, polystyrene foam board, rigid foam polyurethane, polycarbonate, phenolic aldehyde, etc.); (2) inorganic materials (such as perlite cement boards, foam cement boards, composite silicates, rock wool, autoclaved aerated concrete blocks, traditional thermal mortar, etc.); (3) composite materials (such as metal sandwich plates, core materials of polyphenyl, vitrified micro bubbles, polyphenyl particles and the like).
Most of the existing organic heat-insulating materials basically belong to B-level flame retardance, have poor fireproof performance and certain potential safety hazard. Phenolic aldehyde: the fire-proof grade is A grade, but the heat-preservation effect can not be achieved by carbonization at high temperature. Rock wool; fire-proof class A, but rock wool expands when absorbing water, and when applied to a wall, the rock wool will fall off. Traditional inorganic heat preservation: the fireproof grade A is adopted, cement and rubber powder are added in the construction process, and a furring brick needs to be hung on a net in the process of construction, so that the problems of cracking of cement, aging and falling of the rubber powder still exist in the wide application.
The heat insulation materials on the market also have the hidden danger of cracking and falling, so in the construction process, anti-cracking mortar and grid cloth are needed to make up the defects in the aspect, and the effect of acting on the wall body heat insulation is achieved. Benzene board systems, phenolic aldehyde, rock wool and traditional inorganic heat-insulating mortar belong to the class, and after raw materials act on a wall body, the processes of crack-resistant mortar, grid cloth and bonding mortar are needed to make a coating facing and a surface brick facing on the outside. Inorganic series products such as inorganic plates, vitrified micro bubbles, polyphenyl granules and the like can achieve a-grade fire prevention, but the construction is more complicated, the performance of a heat insulation system has a plurality of defects, and hollowing and cracking are potential hidden troubles.
Diatomite is a biological sedimentary rock formed by depositing remains of unicellular plant diatoms, and the chemical component of the diatomite is mainly SiO2, and the mineral component of the diatomite is opal and varieties thereof. Has the advantages of small density, large specific surface area, strong adsorbability, acid resistance, alkali resistance, sound insulation, heat insulation and the like. At present, the method is mainly applied to a plurality of fields such as buildings, foods, chemical engineering and the like. In the building insulation industry: can be used as heat-insulating, heat-insulating and sound-insulating building materials such as roof heat-insulating layers, heat-insulating bricks, calcium silicate heat-insulating materials, porous briquette furnaces, sound-insulating and heat-insulating fireproof decorative plates, wall sound-insulating decorative plates, floor tiles, ceramic products and the like. The literature reports that the calcined and activated diatomite can be used as a high-performance admixture of the thermal insulation mortar to replace part of cement, and the appropriate amount of the diatomite can improve the compression resistance and the folding resistance of the thermal insulation mortar and simultaneously reduce the thermal conductivity coefficient of the thermal insulation mortar (concretely, the influence of the diatomite on the performance of the thermal insulation mortar is reported in Jilin building university, volume 32, period 2 and year 2015 4 months).
The diatomite reserves in China reach 3.2 million tons, the prospect reserves reach more than 20 hundred million tons, and the diatomite reserves are mainly concentrated in northeast regions, wherein the diatomite reserves are large in scale, and more work is done, so that Jilin provinces exist. Although the diatomite is widely distributed in Jilin province, the high-quality soil is less, about 30% of the high-quality soil (first-grade diatomite) mined from one diatomite raw ore is used for producing the diatomite auxiliary agent, and most of the rest of the high-quality soil is 2-3 grade diatomite. Because the 2-3 grade diatomite has high impurity content and cannot be directly deeply processed and utilized, the 2-3 grade diatomite cannot be processed and utilized in waste, and no good method is available for treating the 2-3 grade diatomite at present, so that the waste is serious.
Based on the above description, it is necessary to further research on diatomite so that the waste second and third-stage diatomite can be fully utilized, and the problems that the waste of the existing second and third-stage diatomite is serious and cannot be treated and the defects of the thermal insulation material are solved.
Disclosure of Invention
The invention aims to provide a diatomite bead to solve the problem that the existing secondary and tertiary diatomite in China is seriously discarded and cannot be effectively utilized. The diatomite beads are light in weight, good in environmental protection effect and strong in adsorbability, have the advantages of moisture prevention, fire prevention, purification, heat preservation and the like, and can be widely applied to the fields of building materials, petroleum, chemical industry, textile, metallurgy, electric power and the like.
In order to achieve the purpose, the diatomite beads provided by the invention are prepared by taking secondary and tertiary diatomite as raw materials through four procedures of drying, purification, granulation and calcination, and the specific preparation method comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-.
The invention also provides a high-strength environment-friendly thermal insulation mortar containing the diatomite sand beads, and solves a plurality of technical problems that the existing thermal insulation mortar cannot be directly used on brick walls, has poor thermal insulation and moisture-proof effects, and can cause cement cracking, rubber powder aging, cracking and falling off for a long time.
In order to achieve the purpose, the high-strength environment-friendly thermal insulation mortar provided by the invention comprises the following components:
the preparation method of the diatom sand beads comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-;
the preparation method of the diatom powder comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-.
The use method of the high-strength environment-friendly thermal insulation mortar provided by the invention comprises the following steps: the raw materials are uniformly mixed according to the proportion, added with water and uniformly stirred, and then directly smeared on the inner layer and the outer layer of the wall body, can directly replace cement mortar for smearing, and can be directly used for inner and outer wall surface heat preservation. According to the national design requirements, the wall can be designed according to the conditions of different regions, the thickness of the inner wall and the outer wall is generally designed to be 2cm in the northeast region, and the wall is directly plastered on the brick wall; the outer wall is 4-5cm and is directly plastered on the brick wall; the inner wall is generally designed to be 2cm in north China, such as Shandong, Henan and the like, and the outer wall is designed to be 2-3cm in length, so that the cement mortar can be directly plastered, and the manufacturing cost for plastering the cement mortar is saved; the heat-insulating layer can be used as an inner wall heat-insulating layer in southern areas, the design is only 2cm, other plastering and other heat-insulating materials are replaced, cement plaster is omitted, and the product can be well used in northeast, Shandong and other areas at present and is commented by experts.
The invention has the advantages and positive effects that:
(1) the waste second-level and third-level diatomite is used as a main raw material, and after the second-level and third-level diatomite are subjected to drying, purification, granulation and calcination treatment, the diatomite sand beads with the diameter of 1-3mm are manufactured, and the diatomite beads are light in weight, low in heat conductivity coefficient, strong in adsorbability, environment-friendly, heat-preserving, purifying, high-temperature-resistant, moisture-proof and the like, and can be widely used in the fields of building materials, petroleum, chemical industry, textile, metallurgy, electric power and the like. For example: the composite material can be used as a heat insulation material in the building industry, can also be used for flue gas flow removal purification of a power plant, sewage purification and filtration, heat insulation in the metallurgical industry and the like, and has very high application value and wide application prospect.
(2) According to the invention, the secondary and tertiary kieselguhr are widely applied by granulating the kieselguhr, national waste resources are fully utilized, waste is changed into valuable, and the problems that the secondary and tertiary kieselguhr in China cannot be treated, cannot be effectively utilized and is seriously wasted are effectively solved.
(3) According to the invention, the calcined diatomite beads are blended on the thermal insulation mortar, and the diatomite beads are granular and play a skeleton role in the whole thermal insulation mortar, so that the compressive strength of the thermal insulation mortar is greatly improved, and the technical problem that the compressive strength of the thermal insulation mortar is seriously reduced due to excessive addition (more than 50%) of the diatomite in the thermal insulation mortar is effectively solved.
(4) According to the heat-insulation mortar blended with the diatom sand beads, provided by the invention, the heat-insulation mortar has certain viscosity by adding the environment-friendly latex powder and the cellulose, and can replace cement mortar to be directly smeared on the brick surface of a building wall. The diatomite content in the thermal insulation mortar is up to 80 percent, and the thermal insulation mortar has the advantages of light weight, low heat conductivity coefficient, environmental protection, thermal insulation, high temperature resistance, fire resistance, low temperature resistance, noise reduction, moisture prevention, mildew prevention, dewing prevention, no radioactive substances, stable physical and chemical properties and the like.
(5) When the thermal insulation mortar provided by the invention is smeared on a wall body to be used as an outer wall, other decoration processes can be directly carried out on the thermal insulation mortar in the following process; meanwhile, when the heat-insulating mortar containing the diatomite beads is used as an inner wall, formaldehyde generated by indoor decoration can be well adsorbed, and the indoor air is environment-friendly and purified; and when the interior is too moist, the interior wall can also absorb moisture, directly discharges the moisture to the outdoor, solves the problem of the indoor hair of moist weather.
(6) The thermal insulation mortar provided by the invention can be used for public fireproof thermal insulation building, civil fireproof thermal insulation building and the like, can replace cement mortar, can be directly plastered on the brick surface of a building wall, and can completely remove the plastering procedure of the cement mortar and reduce the weight of a building main body by using the material; it has low cost, high strength and good fireproof and heat insulating properties. Three-year test results prove that the thermal insulation mortar does not crack, bulge, fall off, chalk and damp after being directly used on the brick surface.
(7) The thermal insulation mortar provided by the invention is successfully tested to obtain the optimal proportion and a reasonable construction scheme after years of research, the construction structure cost is greatly reduced, the thermal insulation material can be directly smeared on a brick wall, cement plaster does not need to be smeared inside and outside the brick wall, the cost of using the cement plaster is saved by about 40 yuan per square meter, the thermal insulation and fire resistance performance is good, a new material is provided for the thermal insulation and fire resistance material of the building industry in China, and a new design is also provided for the building industry.
Detailed Description
In order to make the technical solutions of the present invention and the advantages and effects thereof clear for those skilled in the art, the present invention is further explained below, but should not be construed as limiting the scope of the present invention.
The diatomite used in the invention is secondary and tertiary diatomite discarded during the exploitation of the Maanshan diatomite raw ore in Changbai county of Jilin province.
Example 1A Diatom Sand bead
The diatomite bead is prepared by using two-stage diatomite and three-stage diatomite as raw materials and performing four procedures of drying, purification, granulation and calcination. The preparation method comprises the following steps: drying the second and third grade diatomaceous earth at 150-.
Embodiment 2 high-strength environment-friendly thermal insulation mortar containing diatom sand beads
The preparation method of the diatom sand beads comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-;
the preparation method of the diatom powder comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-.
Embodiment 3 high-strength environment-friendly thermal insulation mortar containing diatom sand beads
The preparation method of the diatom ooze beads and the preparation method of the diatom powder are the same as those in example 2.
Embodiment 4 high-strength environment-friendly thermal insulation mortar containing diatom sand beads
The preparation method of the diatom ooze beads and the preparation method of the diatom powder are the same as those in example 2.
Embodiment 5 high-strength environment-friendly thermal insulation mortar containing diatom sand beads
The preparation method of the diatom ooze beads and the preparation method of the diatom powder are the same as those in example 2.
The use method of the high-strength environment-friendly thermal insulation mortar provided by the invention comprises the following steps: according to the raw material proportion, after the raw materials are uniformly mixed, water is added and uniformly stirred, and then the mixture is directly smeared on the inner layer and/or the outer layer of the wall body, so that the cement mortar plastering and leveling process is saved. According to the temperature in the northeast winter, when the brick wall is subjected to heat preservation, the thickness of the inner wall is controlled to be 2cm, and the thickness of the outer wall is controlled to be 4-5cm, so that a good heat preservation effect can be realized. The inner wall is generally designed to be 2cm in north China, such as Shandong, Henan and the like, and the outer wall is designed to be 2-3cm in length, so that the cement mortar can be directly plastered, and the manufacturing cost for plastering the cement mortar is saved; the southern area can be used as an inner wall heat insulation layer and is designed to be 2 cm.
And (3) performance detection:
firstly, the combustion performance of the thermal mortar is measured according to GB8624-2006 Classification of combustion performance of building materials and products, GB/T14402-2007 determination of combustion performance and combustion value of building materials and products, and GB/T5464-2010 test method of building material incombustibility, and samples are as follows: 300mm 60mm (thick), the results are shown in table 1:
TABLE 1 thermal mortar Combustion Performance test
And (4) conclusion: through detection of the high-strength environment-friendly thermal insulation mortar, the combustion performance of the mortar meets the standard requirement of GB 8624A-grade materials.
Secondly, according to GB/T20473-2006 building thermal insulation mortar, the quality of the thermal insulation mortar is detected, and the result is shown in Table 2.
TABLE 2 thermal insulation mortar quality testing table
According to the invention, the secondary and tertiary diatomite are dried and purified, the purified diatomite is granulated, and calcined, so that the outer surface of the diatomite bead is of a closed structure, the inner part of the diatomite bead is of a gap structure, the diatomite bead is hard and light, the granulated diatomite bead is used in the thermal insulation mortar, and plays a role of a skeleton in the whole mortar, and is added in a granulation mode, so that the addition amount of the diatomite can be increased, the influence of the diatomite on the compression resistance of the thermal insulation mortar is reduced, and the filling amount of the diatomite in the whole thermal insulation mortar is up to 80%, and all performance indexes of the thermal insulation mortar can still be ensured to meet the use requirements of buildings.
The vitrified micro bubbles can be optionally added into the thermal insulation mortar, or the vitrified micro bubbles are not added, the dry density can be reduced by adding the vitrified micro bubbles, the volume is increased, but the compressive strength is reduced, so that the addition amount needs to be controlled to ensure that the vitrified micro bubbles meet the building requirements when being added.
In order to ensure that the thermal insulation mortar can be directly plastered on the brick wall, cellulose and environment-friendly latex powder are required to be added, so that the viscosity of the thermal insulation mortar on the wall is increased; meanwhile, the addition of the cellulose also plays a role in water retention and crack resistance. In the whole raw material blending process, the proportion of the raw materials needs to be strictly controlled, because if a certain component is too much or too little, the use effect of the thermal insulation mortar is seriously influenced. For example: if the cellulose content is higher than 2% in the raw material proportioning process, the viscosity of the thermal insulation mortar is too high, so that the thermal insulation mortar cannot be directly smeared on a wall, and the wall mounting is influenced; if the mixture ratio of the wood fiber to the cellulose is not well coordinated, the problems of cracking and the like still occur for a long time in the subsequent use process. The thermal insulation mortar prepared according to the proportion is directly smeared inside and outside a brick wall of a civil building for thermal insulation, and three-year test results prove that the thermal insulation mortar is not cracked, does not bulge, does not fall off, is not pulverized, is not damp-proof, has high fire-proof grade and is environment-friendly after being used.
Claims (3)
1. The high-strength environment-friendly thermal insulation mortar containing the diatom sand beads is characterized in that: comprises the following components:
water, 30% of the above total weight;
the preparation method of the diatom sand beads comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-;
the preparation method of the diatom powder comprises the following steps: drying the second-level or third-level diatomite at the temperature of 150-.
2. The use method of the high-strength environment-friendly thermal insulation mortar containing the diatomite beads as recited in claim 1 is characterized in that: the heat-insulating mortar is used for directly insulating the inner wall surface and the outer wall surface by directly replacing cement mortar for plastering.
3. The use method of the high-strength environment-friendly thermal insulation mortar containing the diatomite beads as recited in claim 2 is characterized in that: the inner wall and the outer wall are designed according to the conditions of different areas, the thickness of the inner wall and the outer wall is generally designed to be 2cm in the northeast, and the inner wall and the outer wall are directly plastered on the brick wall; the outer wall is 4-5cm and is directly plastered on the brick wall; the interior wall is generally designed to be 2cm in North China, and the exterior wall is designed to be 2-3 cm; and (4) making an inner wall heat insulation layer with the inner wall length of 2cm in southern areas.
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| CN108218340B (en) * | 2017-12-29 | 2021-01-26 | 洛迪环保科技有限公司 | Protein soil-based inorganic environment-friendly material with sound absorption and noise reduction functions and preparation method and construction method thereof |
| CN111320449B (en) * | 2020-03-30 | 2021-12-28 | 吉林省兰湖新材料科技有限公司 | Lightweight plastering gypsum using diatomite waste particles as aggregate and preparation method thereof |
| CN113512309A (en) * | 2021-03-22 | 2021-10-19 | 沈阳化工大学 | Preparation method of diatom tailing thermal insulation coating |
| CN113307553A (en) * | 2021-06-01 | 2021-08-27 | 临江市和合新型装饰材料有限公司 | Efficient mixed environment-friendly product prepared by deep processing of diatomite waste and preparation method thereof |
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| JPS5293421A (en) * | 1976-02-03 | 1977-08-05 | Mitsubishi Metal Corp | Production of light aggregate |
| EP1955986A1 (en) * | 2007-01-18 | 2008-08-13 | Sika Technology AG | Light weight aggregate |
| CN102070320A (en) * | 2010-11-22 | 2011-05-25 | 内蒙古祥响新型建材开发有限责任公司 | Lightly calcined dolomite thermal insulation mortar |
| CN103553446A (en) * | 2013-11-18 | 2014-02-05 | 黄宪斌 | Air purifying type diatomite-sandstone |
| CN104941397A (en) * | 2015-06-19 | 2015-09-30 | 辛全宏 | Diatomite drying agent and production process thereof |
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