CN112408854A - Diatom composite fiber board and preparation method thereof - Google Patents
Diatom composite fiber board and preparation method thereof Download PDFInfo
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- CN112408854A CN112408854A CN202011278624.1A CN202011278624A CN112408854A CN 112408854 A CN112408854 A CN 112408854A CN 202011278624 A CN202011278624 A CN 202011278624A CN 112408854 A CN112408854 A CN 112408854A
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- 239000002131 composite material Substances 0.000 title claims abstract description 25
- 239000011094 fiberboard Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000002994 raw material Substances 0.000 claims abstract description 30
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 claims abstract description 21
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 21
- 238000001816 cooling Methods 0.000 claims abstract description 21
- 238000002156 mixing Methods 0.000 claims abstract description 20
- 238000003825 pressing Methods 0.000 claims abstract description 19
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 14
- 239000010977 jade Substances 0.000 claims abstract description 14
- 239000000843 powder Substances 0.000 claims abstract description 14
- 239000002025 wood fiber Substances 0.000 claims abstract description 14
- 239000004698 Polyethylene Substances 0.000 claims abstract description 13
- -1 polyethylene Polymers 0.000 claims abstract description 13
- 229920000573 polyethylene Polymers 0.000 claims abstract description 13
- 230000004927 fusion Effects 0.000 claims abstract description 12
- 239000008187 granular material Substances 0.000 claims abstract description 12
- 239000000203 mixture Substances 0.000 claims abstract description 12
- 229910001385 heavy metal Inorganic materials 0.000 claims abstract description 10
- 239000000463 material Substances 0.000 claims abstract description 8
- 238000005469 granulation Methods 0.000 claims abstract description 6
- 230000003179 granulation Effects 0.000 claims abstract description 6
- 238000000465 moulding Methods 0.000 claims abstract description 6
- 238000005303 weighing Methods 0.000 claims abstract description 6
- 239000011575 calcium Substances 0.000 claims description 15
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 claims description 14
- 229910052791 calcium Inorganic materials 0.000 claims description 14
- 235000017166 Bambusa arundinacea Nutrition 0.000 claims description 13
- 235000017491 Bambusa tulda Nutrition 0.000 claims description 13
- 241001330002 Bambuseae Species 0.000 claims description 13
- 235000015334 Phyllostachys viridis Nutrition 0.000 claims description 13
- 239000011425 bamboo Substances 0.000 claims description 13
- 239000000835 fiber Substances 0.000 claims description 13
- 239000008399 tap water Substances 0.000 claims description 5
- 235000020679 tap water Nutrition 0.000 claims description 5
- 238000012423 maintenance Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims 8
- 229910052500 inorganic mineral Inorganic materials 0.000 abstract description 8
- 239000011707 mineral Substances 0.000 abstract description 8
- 238000005034 decoration Methods 0.000 abstract description 5
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 abstract 2
- 230000007613 environmental effect Effects 0.000 abstract 2
- 229910021536 Zeolite Inorganic materials 0.000 abstract 1
- 229910000019 calcium carbonate Inorganic materials 0.000 abstract 1
- HNPSIPDUKPIQMN-UHFFFAOYSA-N dioxosilane;oxo(oxoalumanyloxy)alumane Chemical compound O=[Si]=O.O=[Al]O[Al]=O HNPSIPDUKPIQMN-UHFFFAOYSA-N 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 239000010457 zeolite Substances 0.000 abstract 1
- 238000001514 detection method Methods 0.000 description 15
- 230000000694 effects Effects 0.000 description 4
- 230000001857 anti-mycotic effect Effects 0.000 description 3
- 239000002543 antimycotic Substances 0.000 description 3
- 230000036541 health Effects 0.000 description 3
- WSFSSNUMVMOOMR-NJFSPNSNSA-N methanone Chemical compound O=[14CH2] WSFSSNUMVMOOMR-NJFSPNSNSA-N 0.000 description 3
- 241000894006 Bacteria Species 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000002023 wood Substances 0.000 description 2
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000004566 building material Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000002657 fibrous material Substances 0.000 description 1
- 235000013305 food Nutrition 0.000 description 1
- 238000007499 fusion processing Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 229910052602 gypsum Inorganic materials 0.000 description 1
- 239000010440 gypsum Substances 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 235000019645 odor Nutrition 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 229920005992 thermoplastic resin Polymers 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
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
- C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
- C04B26/02—Macromolecular compounds
- C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- C04B26/045—Polyalkenes
-
- 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
-
- 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
- C04B14/08—Diatomaceous earth
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/26—Wood, e.g. sawdust, wood shavings
-
- 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
- C04B18/00—Use of agglomerated or waste materials or refuse as fillers for mortars, concrete or artificial stone; Treatment of agglomerated or waste materials or refuse, specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B18/04—Waste materials; Refuse
- C04B18/18—Waste materials; Refuse organic
- C04B18/24—Vegetable refuse, e.g. rice husks, maize-ear refuse; Cellulosic materials, e.g. paper, cork
- C04B18/26—Wood, e.g. sawdust, wood shavings
- C04B18/265—Wood, e.g. sawdust, wood shavings from specific species, e.g. birch
-
- 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
- C04B22/00—Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators, shrinkage compensating agents
- C04B22/06—Oxides, Hydroxides
- C04B22/062—Oxides, Hydroxides of the alkali or alkaline-earth metals
- C04B22/064—Oxides, Hydroxides of the alkali or alkaline-earth metals of the alkaline-earth metals
-
- 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)
- Organic Chemistry (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Civil Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Environmental & Geological Engineering (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Abstract
A diatom composite fiber board and a preparation method thereof relate to the technical field of decoration boards. The diatom composite fiber board is composed of the following raw materials: diatomite, zeolite, jade powder, calcium carbonate, polyethylene and wood fiber. The preparation method comprises the following steps: 1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing to obtain a mixture; 2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 60-70 ℃, and the fusion time is 15-20 min; 3) pressing: pressing and molding the granular materials in a press to obtain a plate; 4) and (3) cooling: and cooling and maintaining the plate. The composite mineral board obtained by the invention has the advantages of beautiful appearance, decoration, environmental protection, free formaldehyde content of less than 0.005mg/kg, no heavy metal substance, zero-grade mildew resistance, fire resistance and flame retardance, and can well meet the requirements of modern people on environmental protection and decoration.
Description
Technical Field
The invention relates to the technical field of decoration plates, in particular to a diatom composite fiber plate and a preparation method thereof.
Background
The diatom board is divided into two types according to the technical formula, wherein one type is a diatom mineral board which mainly comprises natural mineral materials such as kieselguhr, ash calcium, heavy calcium, gypsum and the like; the other is a diatom wood fiberboard which mainly comprises diatomite, wood fiber or bamboo fiber materials, and the functions and the performances of the two diatom boards are slightly different. The diatom mineral board is hard and heavy, has high fireproof performance, and is more suitable for being used as a door, a kitchen cabinet and a partition board; the diatom wood fiberboard has good nail-holding power and toughness, and is more suitable for manufacturing various cabinet furniture and mould pressing modeling. . Therefore, the invention aims to develop the environment-friendly diatom composite fiber board which has the functions of moisture and mildew prevention, water and bacteria prevention, health preservation, health care and the like, does not contain any adhesive, has good nail holding power and toughness, and is particularly suitable for manufacturing various cabinet furniture and mould pressing modeling.
Disclosure of Invention
The invention aims to provide a diatom composite fiber board and a preparation method thereof aiming at overcoming the defects and shortcomings of the prior art, and aims to solve the problem that diatom mineral boards are poor in nail holding power and toughness.
In order to achieve the purpose, the invention adopts the following technical scheme: the diatom composite fiber board is composed of the following raw materials in parts by weight: 45-60 parts of diatomite, 5-12 parts of bamboo fiber, 15-20 parts of jade powder, 10-15 parts of gray calcium, 5-10 parts of polyethylene and 1-3 parts of wood fiber.
Further, the feed comprises the following raw materials in parts by weight: 45 parts of diatomite, 12 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 3 parts of wood fiber.
Further, the feed comprises the following raw materials in parts by weight: 50 parts of diatomite, 8 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 2 parts of wood fiber.
Further, the feed comprises the following raw materials in parts by weight: 60 parts of diatomite, 7 parts of bamboo fiber, 15 parts of jade powder, 10 parts of ash calcium, 5 parts of polyethylene and 3 parts of wood fiber.
Further, the diatomite is food-grade non-calcined diatomite in Changbai mountain areas of Jilin.
Further, the diatomite and the jade powder are sieved by a 325-mesh sieve.
The preparation method of the diatom composite fiber board is based on the raw material formula and comprises the following steps:
1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing to obtain a mixture;
2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 60-70 ℃, and the fusion time is 15-20 min;
3) pressing: pressing and molding the granular materials in a pressing machine to obtain a plate, wherein the temperature is maintained at 60-70 ℃ during pressing;
4) and (3) cooling: and cooling and maintaining the plate.
Further, in the step 1), the mixing is carried out at normal temperature and normal pressure, and the mixing time is 10-15 min.
Further, in the step 3), the thickness of the press-formed plate is 0.1-20 mm, the width is 1.8m, and the length is 2.4 m.
Further, in the step 4), normal-temperature tap water is adopted for cooling circularly for maintenance.
Furthermore, the content of free formaldehyde in the board is less than 0.005mg/kg, heavy metals are not detected, and the mildew-proof grade is zero grade.
After the technical scheme is adopted, the invention has the beneficial effects that: the diatomite is food-grade non-calcined diatomite which is large in area, light in porous and light in weight and can endow the board with super-strong adsorption performance, and the bamboo fiber has the effects of light in weight and toughness enhancement; the jade powder has good filling effect, gives terahertz waves to the product, improves the health function of the product, enhances the density of the plate, can inhibit the propagation of bacteria and microorganisms, has obvious antibacterial effect, ensures that the plate does not form mildew stains for a long time, removes harmful gases, food, smoke and other various living odors generated by building materials, has no radioactivity, is healthy and environment-friendly, can block combustion, and can preserve heat and prevent frosting; the main component of the gray calcium is Ca (OH)2Is a natural air-hardening cementing material; the wood fiber provides excellent water retention property, prolongs the opening time of the slurry, and simultaneously can form a three-dimensional net structure after being mixed, so that the supporting force of a system is enhanced, the compression molding of the plate is facilitated, and the good reinforcing and anti-cracking effects can be achieved; polyethylene is a thermoplastic resin that functions as an adhesive during the fusion process.
The diatom composite fiber board provided by the invention is scientific in raw material proportion, and the preparation process strictly controls the conditions in the steps of mixing, granulating, pressing and cooling, so that a decorative board with an excellent compact structure can be obtained without high temperature and high pressure, the energy is saved, the obtained board is beautiful and decorative, green and environment-friendly, the content of free formaldehyde reaches an undetected level, heavy metals are not detected, the mildew-proof grade is zero, and the diatom composite fiber board can prevent fire and retard flame, and can well meet the requirements of modern people on environment-friendly decoration.
Detailed Description
In order to make the technical means, the creation features, the achievement purposes and the effects of the invention easy to understand, the invention is further described with the specific embodiments.
Example 1
The composite mineral board comprises the following raw materials in parts by weight: 45 parts of diatomite, 12 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 3 parts of wood fiber.
The preparation method comprises the following steps:
1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing the raw materials at normal temperature and normal pressure to obtain a mixture, wherein the mixing time is 10-15 min;
2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 65 ℃, and the fusion time is 18 min;
3) pressing: pressing and molding the granules in a press to obtain a plate, wherein the thickness of the pressed and molded plate is 10 mm, the width of the plate is 1.8m, and the length of the plate is 2.4 m;
4) and (3) cooling: and cooling and maintaining the plate, wherein the cooling and maintaining are carried out by adopting normal-temperature tap water for circulating cooling.
The plate obtained in the embodiment is subjected to free formaldehyde, VOC, heavy metal and anti-mold detection, wherein the execution standard of free formaldehyde detection is GB18580-2001, the execution standard of VOC detection is HJ571-2010, and the execution standard of heavy metal detection is: LY/T2870-2017, and an antimycotic performance detection execution standard: JC/T2177-2013, the results are shown in the table I.
Example 2
The composite mineral board comprises the following raw materials in parts by weight: 50 parts of diatomite, 8 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 2 parts of wood fiber.
The preparation method comprises the following steps:
1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing the raw materials at normal temperature and normal pressure to obtain a mixture, wherein the mixing time is 10-15 min;
2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 70 ℃, and the fusion time is 15 min;
3) pressing: pressing and molding the granules in a press to obtain a plate, wherein the thickness of the pressed and molded plate is 20 mm, the width of the plate is 1.8m, and the length of the plate is 2.4 m;
4) and (3) cooling: and cooling and maintaining the plate, wherein the cooling and maintaining are carried out by adopting normal-temperature tap water for circulating cooling.
The plate obtained in the embodiment is subjected to free formaldehyde, VOC, heavy metal and anti-mold detection, wherein the execution standard of free formaldehyde detection is GB18580-2001, the execution standard of VOC detection is HJ571-2010, and the execution standard of heavy metal detection is: LY/T2870-2017, and an antimycotic performance detection execution standard: JC/T2177-2013, the results are shown in the table I.
Example 3
The composite mineral board comprises the following raw materials in parts by weight: 60 parts of diatomite, 7 parts of bamboo fiber, 150 parts of jade powder, 10 parts of ash calcium, 5 parts of polyethylene and 3 parts of wood fiber.
The preparation method comprises the following steps:
1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing the raw materials at normal temperature and normal pressure to obtain a mixture, wherein the mixing time is 10-15 min;
2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 60 ℃, and the fusion time is 20 min;
3) pressing: pressing and molding the granules in a press to obtain a plate, wherein the thickness of the pressed and molded plate is 0.1 mm, the width of the plate is 1.8m, and the length of the plate is 2.4m
4) And (3) cooling: and cooling and maintaining the plate, wherein the cooling and maintaining are carried out by adopting normal-temperature tap water for circulating cooling.
The plate obtained in the embodiment is subjected to free formaldehyde, VOC, heavy metal and anti-mold detection, wherein the execution standard of free formaldehyde detection is GB18580-2001, the execution standard of VOC detection is HJ571-2010, and the execution standard of heavy metal detection is: LY/T2870-2017, and an antimycotic performance detection execution standard: JC/T2177-2013, the results are shown in the table I.
The results of the performance tests of the sheets obtained in examples 1 to 3 are shown in Table I.
Table one test result table
The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
The above description is only for the purpose of illustrating the technical solutions of the present invention and not for the purpose of limiting the same, and other modifications or equivalent substitutions made by those skilled in the art to the technical solutions of the present invention should be covered within the scope of the claims of the present invention without departing from the spirit and scope of the technical solutions of the present invention.
Claims (10)
1. The diatom composite fiber board is characterized by comprising the following raw materials in parts by weight: 45-60 parts of diatomite, 5-12 parts of bamboo fiber, 15-20 parts of jade powder, 10-15 parts of gray calcium, 5-10 parts of polyethylene and 1-3 parts of wood fiber.
2. The preparation method of the diatom composite fiber board is characterized by comprising the following steps: 1) mixing materials: weighing the raw materials according to the weight part ratio, putting the raw materials into a mixer, and uniformly mixing to obtain a mixture;
2) and (3) granulation: fusing and extruding the mixture in a screw extruder to obtain granular materials; the fusion temperature is 60-70 ℃, and the fusion time is 15-20 min;
3) pressing: pressing and molding the granular materials in a pressing machine to obtain a plate, wherein the temperature is maintained at 60-70 ℃ during pressing;
4) and (3) cooling: and cooling and maintaining the plate.
3. The diatom composite fiber board according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 45 parts of diatomite, 12 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 3 parts of wood fiber.
4. The diatom composite fiber board according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 60 parts of diatomite, 7 parts of bamboo fiber, 15 parts of jade powder, 10 parts of ash calcium, 5 parts of polyethylene and 3 parts of wood fiber.
5. The diatom composite fiber board according to claim 1, which is characterized by comprising the following raw materials in parts by weight: 50 parts of diatomite, 8 parts of bamboo fiber, 20 parts of jade powder, 10 parts of ash calcium, 10 parts of polyethylene and 2 parts of wood fiber.
6. The diatom composite fiber board according to claim 1, which is characterized by comprising the following raw materials in parts by weight: the diatomite is food-grade non-calcined diatomite in the Changbai mountain area of Jilin.
7. The method for preparing the diatom composite fiber board according to claim 2, wherein the method comprises the following steps: in the step 1), mixing is carried out at normal temperature and normal pressure, and the mixing time is 10-15 min.
8. The method for preparing the diatom composite fiber board according to claim 2, wherein the method comprises the following steps: in the step 3), the thickness of the press-formed plate is 0.1-20 mm, the width is 1.8m, and the length is 2.4 m.
9. The method for preparing the diatom composite fiber board according to claim 2, wherein the method comprises the following steps: in the step 4), normal-temperature tap water is adopted for cooling and maintenance in a circulating manner.
10. The method for preparing the diatom composite fiber board according to claim 2, wherein the method comprises the following steps: the free formaldehyde content of the plate reaches the undetected level, heavy metals are not detected, and the mildew-proof grade is zero grade.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113072356A (en) * | 2021-04-20 | 2021-07-06 | 白山市和一硅藻科技有限公司 | Calcination-free plate prepared from diatomite and preparation method thereof |
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| CN108147712A (en) * | 2017-12-28 | 2018-06-12 | 海南科技职业学院 | A kind of diatom ooze integrated wall plate and preparation method thereof |
| JP6367505B1 (en) * | 2017-12-22 | 2018-08-01 | 寧波豊爾泰建材科技有限公司Ｎｉｎｇｂｏ Ｆｅｎｇｅｒｔａｉ Ｂｕｉｌｄｉｎｇ Ｍａｔｅｒｉａｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ． | Diatomite water absorption panel and method for producing the same |
| CN108774042A (en) * | 2018-05-24 | 2018-11-09 | 武汉格林森建筑科技有限公司 | One seeds algae calcium and magnesium composite material, ecological composite plate and its preparation and application |
| CN111187048A (en) * | 2020-01-16 | 2020-05-22 | 蓝天豚绿色建筑新材料有限公司 | Composite mineral board and preparation method thereof |
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| JP6367505B1 (en) * | 2017-12-22 | 2018-08-01 | 寧波豊爾泰建材科技有限公司Ｎｉｎｇｂｏ Ｆｅｎｇｅｒｔａｉ Ｂｕｉｌｄｉｎｇ Ｍａｔｅｒｉａｌｓ Ｔｅｃｈｎｏｌｏｇｙ Ｃｏ．，Ｌｔｄ． | Diatomite water absorption panel and method for producing the same |
| CN108147712A (en) * | 2017-12-28 | 2018-06-12 | 海南科技职业学院 | A kind of diatom ooze integrated wall plate and preparation method thereof |
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| CN111187048A (en) * | 2020-01-16 | 2020-05-22 | 蓝天豚绿色建筑新材料有限公司 | Composite mineral board and preparation method thereof |
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| CN113072356A (en) * | 2021-04-20 | 2021-07-06 | 白山市和一硅藻科技有限公司 | Calcination-free plate prepared from diatomite and preparation method thereof |
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Application publication date: 20210226 |