CN105036616A - Low-density ash silicon plate produced with industrial wastes as raw materials and production process of ash silicon plate - Google Patents
Low-density ash silicon plate produced with industrial wastes as raw materials and production process of ash silicon plate Download PDFInfo
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- CN105036616A CN105036616A CN201510348483.9A CN201510348483A CN105036616A CN 105036616 A CN105036616 A CN 105036616A CN 201510348483 A CN201510348483 A CN 201510348483A CN 105036616 A CN105036616 A CN 105036616A
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- plate
- silicon plate
- ash
- ash silicon
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- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical compound [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 title claims abstract description 35
- 229910052710 silicon Inorganic materials 0.000 title claims abstract description 35
- 239000010703 silicon Substances 0.000 title claims abstract description 35
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 31
- 239000002994 raw material Substances 0.000 title claims abstract description 23
- 239000002440 industrial waste Substances 0.000 title abstract 4
- 239000002956 ash Substances 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims abstract description 20
- 239000004568 cement Substances 0.000 claims abstract description 15
- UQSXHKLRYXJYBZ-UHFFFAOYSA-N Iron oxide Chemical compound [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims abstract description 10
- 239000002002 slurry Substances 0.000 claims abstract description 10
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 9
- 238000002360 preparation method Methods 0.000 claims abstract description 9
- 229920002522 Wood fibre Polymers 0.000 claims abstract description 8
- 239000002699 waste material Substances 0.000 claims description 22
- 239000010881 fly ash Substances 0.000 claims description 21
- 239000002893 slag Substances 0.000 claims description 21
- 210000001161 mammalian embryo Anatomy 0.000 claims description 12
- 239000000463 material Substances 0.000 claims description 12
- 239000011268 mixed slurry Substances 0.000 claims description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 12
- 239000000284 extract Substances 0.000 claims description 9
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 8
- 229940089401 xylon Drugs 0.000 claims description 8
- 238000001035 drying Methods 0.000 claims description 6
- 239000000203 mixture Substances 0.000 claims description 5
- 238000010009 beating Methods 0.000 claims description 3
- 238000000748 compression moulding Methods 0.000 claims description 3
- 238000006297 dehydration reaction Methods 0.000 claims description 3
- 238000007688 edging Methods 0.000 claims description 3
- 239000002655 kraft paper Substances 0.000 claims description 3
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 3
- 238000010298 pulverizing process Methods 0.000 claims description 3
- 230000000630 rising effect Effects 0.000 claims description 3
- 238000000926 separation method Methods 0.000 claims description 3
- 239000007858 starting material Substances 0.000 claims description 3
- 238000003756 stirring Methods 0.000 claims description 3
- 238000004381 surface treatment Methods 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 239000000378 calcium silicate Substances 0.000 abstract description 5
- 229910052918 calcium silicate Inorganic materials 0.000 abstract description 5
- OYACROKNLOSFPA-UHFFFAOYSA-N calcium;dioxido(oxo)silane Chemical compound [Ca+2].[O-][Si]([O-])=O OYACROKNLOSFPA-UHFFFAOYSA-N 0.000 abstract description 5
- 239000004566 building material Substances 0.000 abstract description 4
- 238000010276 construction Methods 0.000 abstract description 4
- 238000003912 environmental pollution Methods 0.000 abstract description 2
- 239000010883 coal ash Substances 0.000 abstract 3
- 239000010802 sludge Substances 0.000 abstract 3
- HSFWRNGVRCDJHI-UHFFFAOYSA-N alpha-acetylene Natural products C#C HSFWRNGVRCDJHI-UHFFFAOYSA-N 0.000 abstract 2
- 125000002534 ethynyl group Chemical group [H]C#C* 0.000 abstract 2
- 239000002025 wood fiber Substances 0.000 abstract 2
- 239000005997 Calcium carbide Substances 0.000 abstract 1
- 238000000605 extraction Methods 0.000 abstract 1
- 230000009970 fire resistant effect Effects 0.000 abstract 1
- CLZWAWBPWVRRGI-UHFFFAOYSA-N tert-butyl 2-[2-[2-[2-[bis[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]amino]-5-bromophenoxy]ethoxy]-4-methyl-n-[2-[(2-methylpropan-2-yl)oxy]-2-oxoethyl]anilino]acetate Chemical compound CC1=CC=C(N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)C(OCCOC=2C(=CC=C(Br)C=2)N(CC(=O)OC(C)(C)C)CC(=O)OC(C)(C)C)=C1 CLZWAWBPWVRRGI-UHFFFAOYSA-N 0.000 abstract 1
- 230000002265 prevention Effects 0.000 description 4
- 229910004298 SiO 2 Inorganic materials 0.000 description 2
- 239000010425 asbestos Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 229910052895 riebeckite Inorganic materials 0.000 description 2
- 229920001131 Pulp (paper) Polymers 0.000 description 1
- 239000006004 Quartz sand Substances 0.000 description 1
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 229910010413 TiO 2 Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229920002678 cellulose Polymers 0.000 description 1
- 239000001913 cellulose Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000001723 curing Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000009413 insulation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 238000005192 partition Methods 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 230000003245 working effect Effects 0.000 description 1
Classifications
-
- 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
- Processing Of Solid Wastes (AREA)
Abstract
The invention relates to a low-density ash silicon plate produced with industrial wastes, such as coal ash and acetylene sludge, as main raw materials and a production process of the ash silicon plate, in particular to a low-density ash silicon plate produced with industrial wastes as raw materials, and belongs to the technical field of building materials. The low-density ash silicon plate comprises 60-65% of coal ash, 10-15% of cement, 10-15% of acetylene sludge, 5-8% of porcelain clay, 0.5% of iron oxide and 8-10% of wood fiber. The production process comprises the following steps: extraction and preparation of the wood fiber, preparation of plate blank slurry, manufacturing of a plate blank, pressurization and demoulding of the plate blank, steam curing of the treated plate blank, and obtaining of the finished plate. The low-density ash silicon plate provided by the invention is high in performance, relatively low in cost, convenient for construction, relatively high in toughness, and high in moisture resistance; the fire-resistant level is A1; the utilization ratios of the coal ash and calcium carbide sludge reach 65% and 15%, so that the industrial wastes are utilized sufficiently, and environmental pollution is relieved; the protection process is relatively easy to operate; the problem that the construction of a cement plate, a calcium silicate plate and other similar products are difficult is solved.
Description
Technical field
The present invention relates to a kind of utilize trade waste flyash and carbide slag for main raw material(s) produce a kind of utilize trade waste to be raw material production low density ash silicon plate and production technique, belong to building material technical field.
Background technology
At present, with the fuel-burning power plant of coal power generation, give off a large amount of flyash, its land occupation, contaminate environment, around power plant, defined a kind of public hazards, developing flyash is also the task of top priority.
Ash silicon plate is a kind of general material of construction, because of the speciality of its A1 level fire prevention, protection against the tide, sound-insulating and heat-insulating, high strength, can be widely used on the furred ceiling of building, partition wall, exterior wall, furniture liner plate and cabinet liner and decorative cover, with the flyash of high parameter and carbide slag for raw material ratio, then make through special technique process such as overmolding, pressurization, high-temperature steam curings.Ash silicon plate has the advantages such as fire prevention, protection against the tide, sound insulation, Anti-moth-eating, weather resistance are strong, is a kind ofly to have the novel building of premium properties and industrial sheet material.
In prior art, grey silicon plate analogous products comprise cement plate and calcium silicate board, but major part all uses the former materials such as cement, quartz sand, wood pulp cellulose, the raw ore that its raw materials consumption used is a large amount of.And in the sector, have simple description to though the utilization of flyash and carbide slag is even, but this proportional quantity of two is all relatively less, only use as subsidiary material, and part of cement plate and calcium silicate board inside participate in asbestos as filamentary material, have certain hazardness to human body.
Summary of the invention
Technical problem to be solved by this invention overcomes above-mentioned deficiency existing in prior art, and the low density utilizing trade waste the to be raw material production ash silicon plate and production technique thereof that a kind of excellent performance, cost are lower, convenient construction, toughness better, fire-protection rating A1 level, humidity resistance are excellent is provided, this grey silicon plate can utilize flyash to reach 65%, carbide slag 15%, take full advantage of Industry Waste rejected material, and alleviate the problem of environmental pollution, and the production technique of this grey silicon plate is more easy to operate, solve analogous products problem as not easy working in cement plate and calcium silicate board.
The present invention's adopted technical scheme that solves the problem is: a kind of low density ash silicon plate utilizing trade waste to be raw material production, it is characterized in that: comprise following component by weight percentage: flyash 60%-65%, cement 10%-15%, carbide slag 10%-15%, china clay 5%-8%, ferric oxide 0.5%, xylon 8%-10%.
Further, the loss on ignition of described carbide slag of the present invention is 19%-29%, and not containing carbon granules in carbide slag, fineness is less than 0.07mm.
Further, the loss on ignition of described flyash of the present invention is 4%-15%, and fineness is less than 0.07mm.
A kind of production technique of the low density ash silicon plate utilizing trade waste to be raw material production comprises the following steps:
(1) wood fibre extracts preparation: waste and old kraft bag or waste carton carried out pulverizing, comminution, separation, extract after making beating and make wood fibre slurry and use as grey silicon plate starting material;
(2) slab Pulp preparation: the xylon extract step (1) and flyash, carbide slag, china clay, cement, ferric oxide are mixed and made into mixed slurry according to a certain percentage, mixed slurry is dropped into stirrer to add water and stir, manufactured Board blank slurry is stand-by, described raw material is by following percentage composition proportioning: flyash 60-65%, cement 10-15% carbide slag 10-15%, china clay 5-8%, ferric oxide 0.5%, xylon 8-10%.
(3) slab manufacture: the slab slip that step (2) obtains is starched after to the felt of laminator by stream, natural-dehydration and vacuum take-off drainage to stock quality per-cent 75-78%, then obtain slab after cylinder compression moulding;
(4) pressurization of plate embryo and the demoulding: after forming plate embryo, by press adjustment plate area density and planeness, by press adjustment plate embryo moisture content, makes its plate embryo moisture control at 25%-35%, then carries out the demoulding;
(5) slab is steam-cured: after the demoulding, then it is steam-cured to be placed in autoclave, forms work in-process;
(6) finished product sheet material: by semifinished sheet water ratio 10% or following after drying machine drying, through the surface treatment procedure of edging chamfering, i.e. obtained finished product ash silicon plate.
Further, in described step (2) of the present invention, mixed slurry and water ratio is by weight percentage: mixed slurry 10-15%, water 85-90%.
Further, the described plate stock slurry of preparation in the step of the present invention (2) is to enter step (3) front, and storage period can not more than 40min.
Further, in described step (5) of the present invention, the state modulator of steam-cured treatment process is as follows: control pressure 10-11 MPa, time is for controlling 5 hours pressure rising times, constant voltage time 12 hours, dip time 5 hours, then air pressure drops to 0, and 1 as a child drove axe afterwards gets plate.
The present invention compares prior art, there is following beneficial effect: (1) grey silicon plate of the present invention steams through high-temperature high-pressure, not containing any objectionable impurities, radiometry value is the 10-20% that national regulation allows Schwellenwert, belong to Green Product, it is little that it shrinks modification coefficient, environmental protection, makes simple; Not only production process can reach zero release, and product meets again body of wall, furred ceiling, the architectural acoustics field plate of building products componentization, assemblingization, dry job requirements, belongs to senior fireproof building material product in building products; Its excellent performance, fire prevention, protection against the tide, cost is low, and work-ing life was more than more than 50 years; (2) the grey silicon plate prepared by the present invention is not containing asbestos, and can not work the mischief to the health of human body, be a kind of environmentally friendly machine; (3) the invention belongs to low-density plank, lightweight, operating efficiency is high, its density can reach 0.92g cm
3, than common calcium silicate board and fiber reinforced cement board light by 25%, and antidetonation and explosion-proof effect good, carry lighter, construct more convenient; (4) ensureing that on fire prevention, high-strength basis, increase the toughness of sheet material, easy moulding, not easily lifts disconnected, do not ftracture, easily processing cuts, and beats screw not chip; (5) anti-moisture performance is good: its water-intake rate is up to more than 50%-80%, and for having the function of moisture in air in surge chamber during indoor, and its heat conductivility is low, and heat-insulating property is superior; (6) the present invention is because adopted a large amount of flyash, carbide slag the like waste are as raw material, can reduce the production cost of product, economize on resources, and reduces the impact that trade waste causes environment.
Embodiment
Below by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Give off a large amount of flyash in fuel-burning power plant, Jiangxi Province, its land occupation, contaminate environment, around power plant, defined a kind of public hazards, through detecting, in the flyash that this power station gives off, contained material composition is: SiO
2be 53.77%, AL
2o
3be 27.47%, Fe
2o
3be 3%, TiO
2be 0.08%, CaO be 1.12%, MgO be 1.09%, K
2o is 2.12%, Na
2o is 0.20%, SO
3be 1.54%, the loss on ignition of this flyash is 9.22%, and fineness is 0.06mm; In the carbide slag that this power station gives off, contained material composition is: CaO is 68.8%, Fe
2o
3be 0.5%, MgO be 0.8%, AL
2o
3be 2.23%, SiO
2be 3.75%, the loss on ignition of this carbide slag is 23.92%, and not containing carbon granules in carbide slag, fineness is 0.05mm.The present embodiment is adopt this flyash and carbide slag as the grey silicon plate of raw material production.
The grey silicon plate of the present embodiment comprises following raw material by percentage composition: flyash 60%, carbide slag 12%, cement 13.5%, china clay 5%, ferric oxide 0.5%, xylon 9%.
The present embodiment adopts following processing step to make:
(1) wood fibre extracts preparation: waste and old kraft bag or waste carton carried out pulverizing, comminution, separation, extract after making beating and make wood fibre slurry and use as grey silicon plate starting material.
(2) slab Pulp preparation: the xylon extract step (1) and flyash, carbide slag, china clay, cement, ferric oxide are mixed and made into mixed slurry according to aforementioned proportion, mixed slurry is dropped into stirrer to add water and stir, manufactured Board blank slurry is stand-by, and this mixed slurry and water ratio is by weight percentage: mixed slurry 15%, water 85%.
(3) slab manufacture: slab slip obtained for step (2) is placed 30min, after stream slurry is to the felt of laminator, natural-dehydration and vacuum take-off drainage to stock quality per-cent 75-78%, then obtain slab after cylinder compression moulding.
(4) pressurization of plate embryo and the demoulding: after forming plate embryo, by press adjustment plate area density and planeness, by press adjustment plate embryo moisture content, makes its plate embryo moisture control about 30%, then carries out the demoulding.
(5) slab is steam-cured: after the demoulding, then it is steam-cured to be placed in autoclave, and steam-cured pressure remains between 10-11 MPa, pressure rising time is 5 hours, and constant voltage time is 12 hours, and dip time is 5 hours, stop after air pressure drops to 0 and form work in-process in 1 hour, then drive axe and get plate.
(6) finished product sheet material: by semifinished sheet within drying machine drying to water content 10%, by the surface treatment procedure of edging chamfering, i.e. obtained finished product ash silicon plate.
The present embodiment detects through Jiangxi Province's building material product quality monitoring testing station through the grey silicon panel products of above-mentioned explained hereafter, and all technical all meets following requirement:
Claims (7)
1. the low density ash silicon plate utilizing trade waste to be raw material production, is characterized in that: comprise following component by weight percentage: flyash 60%-65%, cement 10%-15%, carbide slag 10%-15%, china clay 5%-8%, ferric oxide 0.5%, xylon 8%-10%.
2. the low density ash silicon plate utilizing trade waste to be raw material production according to claim 1, it is characterized in that: the loss on ignition of described carbide slag is 19%-29%, and not containing carbon granules in carbide slag, fineness is less than 0.07mm.
3. the low density ash silicon plate utilizing trade waste to be raw material production according to claim 1, is characterized in that: the loss on ignition of described flyash is 4%-15%, and fineness is less than 0.07mm.
4. the production technique of the low density ash silicon plate utilizing trade waste to be raw material production according to claim 1, is characterized in that: comprise the following steps:
(1) wood fibre extracts preparation: waste and old kraft bag or waste carton carried out pulverizing, comminution, separation, extract after making beating and make wood fibre slurry and use as grey silicon plate starting material;
(2) slab Pulp preparation: the xylon extract step (1) and flyash, carbide slag, china clay, cement, ferric oxide are mixed and made into mixed slurry according to a certain percentage, mixed slurry is dropped into stirrer to add water and stir, manufactured Board blank slurry is stand-by, described raw material is by following percentage composition proportioning: flyash 60-65%, cement 10-15% carbide slag 10-15%, china clay 5-8%, ferric oxide 0.5%, xylon 8-10%;
(3) slab manufacture: the slab slip that step (2) obtains is starched after to the felt of laminator by stream, natural-dehydration and vacuum take-off drainage to stock quality per-cent 75-78%, then obtain slab after cylinder compression moulding;
(4) pressurization of plate embryo and the demoulding: after forming plate embryo, by press adjustment plate area density and planeness, by press adjustment plate embryo moisture content, makes its plate embryo moisture control at 25%-35%, then carries out the demoulding;
(5) slab is steam-cured: after the demoulding, then it is steam-cured to be placed in autoclave, forms work in-process;
(6) finished product sheet material: by semifinished sheet water ratio 10% or following after drying machine drying, through the surface treatment procedure of edging chamfering, i.e. obtained finished product ash silicon plate.
5. the production technique of the low density ash silicon plate utilizing trade waste to be raw material production according to claim 4, it is characterized in that: in described step (2), mixed slurry and water ratio is by weight percentage: mixed slurry 10-15%, water 85-90%.
6. the production technique of the low density utilizing trade waste the to be raw material production ash silicon plate according to claim 4 or 5, is characterized in that: the described plate stock slurry prepared by step (2) is to enter step (3) front, and storage period can not more than 40min.
7. the production technique of the low density ash silicon plate utilizing trade waste to be raw material production according to claim 4, it is characterized in that: in described step (5), the state modulator of steam-cured treatment process is as follows: control pressure 10-11 MPa, time is for controlling 5 hours pressure rising times, constant voltage time 12 hours, dip time 5 hours, then air pressure drops to 0, and 1 as a child drove axe afterwards gets plate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348483.9A CN105036616B (en) | 2015-06-23 | 2015-06-23 | Low-density ash silicon plate produced with industrial wastes as raw materials and production process of ash silicon plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510348483.9A CN105036616B (en) | 2015-06-23 | 2015-06-23 | Low-density ash silicon plate produced with industrial wastes as raw materials and production process of ash silicon plate |
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| Publication Number | Publication Date |
|---|---|
| CN105036616A true CN105036616A (en) | 2015-11-11 |
| CN105036616B CN105036616B (en) | 2017-05-10 |
Family
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|---|---|---|---|
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105731905A (en) * | 2016-03-14 | 2016-07-06 | 石狮国高电子科技有限公司 | Calcium silicate board produced from industrial waste residues and production technology of calcium silicate board produced from industrial waste residues |
| CN107129259A (en) * | 2017-05-17 | 2017-09-05 | 福建农林大学 | Green lightweight tension bamboo reinforced concrete prefabricated section |
| CN108424089A (en) * | 2018-06-10 | 2018-08-21 | 江西远洋威利实业有限公司 | The low-density plank and preparation method thereof produced as raw material using sepiolite and flyash |
| CN108751888A (en) * | 2018-06-10 | 2018-11-06 | 江西远洋威利实业有限公司 | Using the standby imitative green stone pitted skin plate and preparation method thereof of porcelain clay tailings and coal ash for manufacturing |
| CN108821665A (en) * | 2018-08-29 | 2018-11-16 | 江西远洋威利实业有限公司 | A kind of perforated sound-absorbing ceiling and its production technology |
| CN108930388A (en) * | 2018-08-29 | 2018-12-04 | 江西远洋威利实业有限公司 | A kind of technique using trade waste flyash production graphene heating board |
| CN112125622A (en) * | 2020-05-20 | 2020-12-25 | 广东松本绿色新材股份有限公司 | Preparation and formula of high-strength high-toughness low-density wood fiber calcium silicate board |
| CN113299461A (en) * | 2021-05-25 | 2021-08-24 | 江西丰源电气有限公司 | Energy-saving transformer with high heat-resistant grade |
| CN114380564A (en) * | 2021-12-29 | 2022-04-22 | 江西远洋威利实业有限公司 | Fiber cement board for FCB assembly type steel structure integration and preparation method thereof |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105731905A (en) * | 2016-03-14 | 2016-07-06 | 石狮国高电子科技有限公司 | Calcium silicate board produced from industrial waste residues and production technology of calcium silicate board produced from industrial waste residues |
| CN107129259A (en) * | 2017-05-17 | 2017-09-05 | 福建农林大学 | Green lightweight tension bamboo reinforced concrete prefabricated section |
| CN107129259B (en) * | 2017-05-17 | 2019-08-27 | 福建农林大学 | Green lightweight tension bamboo reinforced concrete prefabricated section |
| CN108424089A (en) * | 2018-06-10 | 2018-08-21 | 江西远洋威利实业有限公司 | The low-density plank and preparation method thereof produced as raw material using sepiolite and flyash |
| CN108751888A (en) * | 2018-06-10 | 2018-11-06 | 江西远洋威利实业有限公司 | Using the standby imitative green stone pitted skin plate and preparation method thereof of porcelain clay tailings and coal ash for manufacturing |
| CN108424089B (en) * | 2018-06-10 | 2020-11-24 | 江西远洋威利实业有限公司 | Low-density board produced by taking sepiolite and fly ash as raw materials and preparation method thereof |
| CN108821665A (en) * | 2018-08-29 | 2018-11-16 | 江西远洋威利实业有限公司 | A kind of perforated sound-absorbing ceiling and its production technology |
| CN108930388A (en) * | 2018-08-29 | 2018-12-04 | 江西远洋威利实业有限公司 | A kind of technique using trade waste flyash production graphene heating board |
| CN108930388B (en) * | 2018-08-29 | 2020-12-01 | 江西远洋威利实业有限公司 | Process for producing graphene heating plate by using industrial waste coal ash |
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