CN108275885A - A kind of slurry slag thermal insulation board and its production method - Google Patents
A kind of slurry slag thermal insulation board and its production method Download PDFInfo
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- CN108275885A CN108275885A CN201810032398.5A CN201810032398A CN108275885A CN 108275885 A CN108275885 A CN 108275885A CN 201810032398 A CN201810032398 A CN 201810032398A CN 108275885 A CN108275885 A CN 108275885A
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Classifications
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- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
- C03C13/00—Fibre or filament compositions
- C03C13/06—Mineral fibres, e.g. slag wool, mineral wool, rock wool
-
- C—CHEMISTRY; METALLURGY
- C03—GLASS; MINERAL OR SLAG WOOL
- C03B—MANUFACTURE, SHAPING, OR SUPPLEMENTARY PROCESSES
- C03B37/00—Manufacture or treatment of flakes, fibres, or filaments from softened glass, minerals, or slags
- C03B37/01—Manufacture of glass fibres or filaments
- C03B37/04—Manufacture of glass fibres or filaments by using centrifugal force, e.g. spinning through radial orifices; Construction of the spinner cups therefor
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/002—Inorganic yarns or filaments
-
- D—TEXTILES; PAPER
- D04—BRAIDING; LACE-MAKING; KNITTING; TRIMMINGS; NON-WOVEN FABRICS
- D04H—MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL; FABRICS MADE BY SUCH PROCESSES OR APPARATUS, e.g. FELTS, NON-WOVEN FABRICS; COTTON-WOOL; WADDING ; NON-WOVEN FABRICS FROM STAPLE FIBRES, FILAMENTS OR YARNS, BONDED WITH AT LEAST ONE WEB-LIKE MATERIAL DURING THEIR CONSOLIDATION
- D04H3/00—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length
- D04H3/02—Non-woven fabrics formed wholly or mainly of yarns or like filamentary material of substantial length characterised by the method of forming fleeces or layers, e.g. reorientation of yarns or filaments
Abstract
The present invention discloses a kind of thermal insulation board and its production method, belongs to thermal insulation board production technical field, relates generally to a kind of slurry slag thermal insulation board and its production method.A kind of slurry slag thermal insulation board includes 50 60 parts of screenings, 20 35 parts of slag, 15 25 parts of silica, 45 55 parts of basalt, 10 12 parts of nano silicon dioxide, 25 parts of magnesia, 13 parts of antioxidant, 0.5 1 parts of flyash, 15 18 parts of coupling agent, 26 parts of bentonite by weight；Present invention simultaneously discloses its production methods to carry out deep processing processing by screenings, form the slurry slag thermal insulation board with good thermal insulation property and compressive property by drying dispatching, electric smelting into fibre, pendulum, compacting drying and slice packaging step.The present invention is not required to addition chemical reagent, reduces the pollution of air, simple for process, it is easy to accomplish.
Description
Technical field
The present invention relates to a kind of thermal insulation board and its production methods, belong to thermal insulation board production technical field, and in particular to a kind of
Slurry slag thermal insulation board and its production method.
Background technology
With the development of science and technology and social progress, people are more and more stronger to the consciousness of environmental protection, some severes are dirty
The industrial processes product of dye starts to environmentally friendly revolution in mode of production.Screenings is as the product discharged in paper-making process, containing a large amount of
Calcium, silicon, aluminium, magnesium, the oxide of iron and a small amount of sulfide, not only cause environmental pollution if arbitrarily abandoning, but also waste
Resource.Therefore, to the much-talked-about topic for being treated as nowadays human research of screenings.Currently, the processing to screenings is mainly used for
In the preparation of some primary product such as concrete, cement, not only utilization rate is low, but also the pollutant generated in production process is direct
Discharge can cause environmental pollution.
Invention content
To solve the above-mentioned problems, the present invention discloses a kind of slurry slag thermal insulation board and its production method, passes through the place to screenings
Reason, screenings advanced treating is processed, and forms the slurry slag thermal insulation board with good thermal insulation property and compressive property.
The object of the present invention is achieved like this：
A kind of slurry slag thermal insulation board includes following material by weight：50-60 parts of screenings, 20-35 parts of slag, 15-25 parts of silica,
45-55 parts of basalt, 10-12 parts of nano silicon dioxide, 2-5 parts of magnesia, 1-3 parts of antioxidant, 0.5-1 parts of flyash, idol
Join 15-18 parts of agent, 2-6 parts of bentonite.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
Ranging from 75-83 degrees Celsius of the drying temperature of drying equipment described in step 1.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00015-0.00025 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Compared with prior art, the present invention having the advantages that：According to a kind of screenings heat preservation disclosed in this invention
Plate and its production method are carried out screenings deep by drying dispatching, electric smelting into fibre, pendulum, compacting drying and slice packaging step
Working process is spent, the slurry slag thermal insulation board with good thermal insulation property and compressive property is formed.The present invention is not required to addition chemical reagent,
Reduce the pollution of air, it is simple for process, it is easy to accomplish.
Specific implementation mode
Heat-insulating property is tested：
Embodiment 1
A kind of slurry slag thermal insulation board includes following material by weight：50 parts of screenings, 20 parts of slag, 15 parts of silica, basalt 45
Part, 10 parts of nano silicon dioxide, 2 parts of magnesia, 1 part of antioxidant, 0.5 part of flyash, 15 parts of coupling agent, 2 parts of bentonite.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 75 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00015 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 2
A kind of slurry slag thermal insulation board includes following material by weight：52 parts of screenings, 22 parts of slag, 18 parts of silica, basalt 48
Part, 10.5 parts of nano silicon dioxide, 3 parts of magnesia, 1.5 parts of antioxidant, 0.6 part of flyash, 16 parts of coupling agent, bentonite 3
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 78 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00018 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 3
A kind of slurry slag thermal insulation board includes following material by weight：55 parts of screenings, 26 parts of slag, 20 parts of silica, basalt 50
Part, 11 parts of nano silicon dioxide, 3.5 parts of magnesia, 2 parts of antioxidant, 0.8 part of flyash, 16.5 parts of coupling agent, bentonite 4
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 80 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00020 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 4
A kind of slurry slag thermal insulation board includes following material by weight：58 parts of screenings, 30 parts of slag, 22 parts of silica, basalt 52
Part, 11.5 parts of nano silicon dioxide, 4 parts of magnesia, 2.5 parts of antioxidant, 0.9 part of flyash, 17 parts of coupling agent, bentonite 5
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 82 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00022 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 5
A kind of slurry slag thermal insulation board includes following material by weight：60 parts of screenings, 35 parts of slag, 25 parts of silica, basalt 55
Part, 12 parts of nano silicon dioxide, 5 parts of magnesia, 3 parts of antioxidant, 1 part of flyash, 18 parts of coupling agent, 6 parts of bentonite.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 83 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00025 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Comparative example 1
A kind of slurry slag thermal insulation board includes following material by weight：45 parts of screenings, 15 parts of slag, 12 parts of silica, basalt 40
Part, 8 parts of nano silicon dioxide, 1.5 parts of magnesia, 0.5 part of antioxidant, 0.3 part of flyash, 12 parts of coupling agent, bentonite 1
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 70 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00010 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Heat-insulating property test method：According to heat balance principle, thermal insulation board to be measured in embodiment 1-5 and comparative example 1 is set
Winter indoor and outdoor meteorological condition is established respectively between the babinet of two different temperatures, in the two babinets to be tested.Hot tank
Simulate winter indoor air temperature, wind speed；Ice chest simulates winter outdoor temperature, wind speed and radiation condition.By several hours
Operation, whole device reach stable state.After forming stable temperature field and velocity field, the air of thermal insulation board both sides to be measured is tested
Temperature and surface velocity, and calculate Coefficient K.
The formula of Coefficient K is represented by：
In formula,To carry out the total heat flow of heat exchange；For perpendicular to the metering area of hot-fluid；For the environment of hot tank side
Temperature；For the environment temperature of ice chest side.Test result is as follows shown in table 1.
1 heat-insulating property of table is tested
Upper table 1 indicates the heat-insulating property of the slurry slag thermal insulation board under different ratio in embodiment 1-5 and comparative example 1, can be with from table 1
Find out, compared with prior art, the heat transfer coefficient of embodiment 1 reduces 18.52%, and thermal center province rate improves 13.84%, embodiment
2 heat transfer coefficient reduces 26.60%, and thermal center province rate improves 16.08%, and the heat transfer coefficient of embodiment 3 reduces 31.31%, heat
Saving rate improves 20%, and the heat transfer coefficient of embodiment 4 reduces 37.04%, and thermal center province rate improves 23.64%, embodiment 5
Heat transfer coefficient reduces 44.44%, and thermal center province rate improves 28.12%.
The above result shows that according to slurry slag thermal insulation board manufactured in the present embodiment, heat transfer coefficient continuously decreases, thermal center province rate by
Edge up height, and heat-insulating property gradually increases compared with prior art.
Compressive property is tested：
Embodiment 6
A kind of slurry slag thermal insulation board includes following material by weight：50 parts of screenings, 20 parts of slag, 15 parts of silica, basalt 45
Part, 10 parts of nano silicon dioxide, 2 parts of magnesia, 1 part of antioxidant, 0.5 part of flyash, 15 parts of coupling agent, 2 parts of bentonite.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 75 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00015 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 7
A kind of slurry slag thermal insulation board includes following material by weight：52 parts of screenings, 22 parts of slag, 18 parts of silica, basalt 48
Part, 10.5 parts of nano silicon dioxide, 3 parts of magnesia, 1.5 parts of antioxidant, 0.6 part of flyash, 16 parts of coupling agent, bentonite 3
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 78 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00018 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 8
A kind of slurry slag thermal insulation board includes following material by weight：55 parts of screenings, 26 parts of slag, 20 parts of silica, basalt 50
Part, 11 parts of nano silicon dioxide, 3.5 parts of magnesia, 2 parts of antioxidant, 0.8 part of flyash, 16.5 parts of coupling agent, bentonite 4
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 80 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00020 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 9
A kind of slurry slag thermal insulation board includes following material by weight：58 parts of screenings, 30 parts of slag, 22 parts of silica, basalt 52
Part, 11.5 parts of nano silicon dioxide, 4 parts of magnesia, 2.5 parts of antioxidant, 0.9 part of flyash, 17 parts of coupling agent, bentonite 5
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 82 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00022 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Embodiment 10
A kind of slurry slag thermal insulation board includes following material by weight：60 parts of screenings, 35 parts of slag, 25 parts of silica, basalt 55
Part, 12 parts of nano silicon dioxide, 5 parts of magnesia, 3 parts of antioxidant, 1 part of flyash, 18 parts of coupling agent, 6 parts of bentonite.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 83 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00025 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Comparative example 2
A kind of slurry slag thermal insulation board includes following material by weight：45 parts of screenings, 15 parts of slag, 12 parts of silica, basalt 40
Part, 8 parts of nano silicon dioxide, 1.5 parts of magnesia, 0.5 part of antioxidant, 0.3 part of flyash, 12 parts of coupling agent, bentonite 1
Part.
The mass ratio of the mixture of the antioxidant DSTDP and DLTDP, the DSTDP and DLTDP are 3:2.
A kind of production method of slurry slag thermal insulation board, includes the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
The drying temperature of drying equipment described in step 1 is 70 degrees Celsius.
Fiber described in step 2 is superfine fibre, and fibre number is 0.00010 denier.
The semi-finished product thermal insulation board number of plies described in step 4 is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
Compressive property test method：Thermal insulation board compressive property is tested and is surveyed using microcomputer controlled electronic tensile testing machine
Breadboard is powered on testing machine each section and enters experiment preparation state by examination, and motor drives turn-screw to turn by retarder
It is dynamic, so that moving beam movement is exerted a force to sample by fixture, load cell and photoelectric encoder, which input electric signal, at this time counts
Calculation machine, data are come out after computer is handled by display window or display screen random display, test data, trial curve and experiment knot
Fruit is remembered, and finally can go out test result by mini-printer or color printer print.Test result is as follows shown in table 2.
2 thermal insulation board compressive property of table is tested
Upper table 2 indicates the compressive property of the slurry slag thermal insulation board under different ratio in embodiment 6-10 and comparative example 2, can from table 1
To find out, compared with prior art, the pulling force peak value of embodiment 6 improves 13.68%, and fracture strength improves 10.44%, implements
The pulling force peak value of example 7 improves 17.88%, and fracture strength improves 13.33%, and the pulling force peak value of embodiment 8 improves 21.03%,
Fracture strength improves 17.18%, and the pulling force peak value of embodiment 9 improves 24.05%, and fracture strength improves 20.99%, implements
The pulling force peak value of example 10 improves 27.80%, and fracture strength improves 26.46%.
The above result shows that according to slurry slag thermal insulation board manufactured in the present embodiment, compressive property gradually increases compared with prior art
By force.
It should be understood that above description is to illustrate rather than to be limited.By reading foregoing description,
Many embodiments and many applications except the example provided all will be apparent for a person skilled in the art.
Therefore, the scope of the present invention should not be determined with reference to foregoing description, but should be with reference to preceding claims and these power
Profit requires the full scope of possessed equivalent to determine.For comprehensive purpose, all articles and reference include patent Shen
The disclosure that please and announce is all by reference to being incorporated herein.Any of theme disclosed herein is omitted in preceding claims
Aspect is not intended to abandon the body matter, also should not be considered as applicant and the theme is not thought of as to disclosed application
A part for theme.
The series of detailed descriptions listed above only for the application feasible embodiment specifically
Bright, they are all without departing from equivalent implementations made by the application skill spirit not to limit the protection domain of the application
Or change should be included within the protection domain of the application.
Claims (6)
1. a kind of slurry slag thermal insulation board, it is characterised in that：Include following material by weight：50-60 parts of screenings, 20-35 parts of slag,
15-25 parts of silica, 45-55 parts of basalt, 10-12 parts of nano silicon dioxide, 2-5 parts of magnesia, 1-3 parts of antioxidant, fine coal
0.5-1 parts grey, 15-18 parts of coupling agent, 2-6 parts of bentonite.
2. a kind of slurry slag thermal insulation board according to claim 1, it is characterised in that：The antioxidant DSTDP's and DLTDP
The mass ratio of mixture, the DSTDP and DLTDP are 3:2.
3. a kind of production method of slurry slag thermal insulation board, it is characterised in that：Include the following steps：
Step 1, drying dispatching：By screenings, slag, silica, basalt, nano silicon dioxide, magnesia, flyash, anti-oxidant
Agent and bentonitic mixture are sufficiently stirred, and are dried for standby mixture feeding drying equipment after stirring；
Step 2, electric smelting is at fibre：The mixture dried in step 1 is put into crucible and is heated, melt is formed, coupling agent is added,
Then fibre is centrifuged by Centrifugal rolling again；
Step 3, pendulum：If by the evenly laid out dried layer of fiber in step 2, sizing is beaten by pendulum；
Step 4, compacting drying：Fiber after pendulum in step 4 is beaten is pressed into semi-finished product thermal insulation board by press, so
Thermal insulation board is dried again afterwards；
Step 5, slice packaging：Thermal insulation board is sliced by size, packaging and storage.
4. a kind of production method of slurry slag thermal insulation board according to claim 3, it is characterised in that：Drying described in step 1 is set
Ranging from 75-83 degrees Celsius of standby drying temperature.
5. a kind of production method of slurry slag thermal insulation board according to claim 3, it is characterised in that：Fiber described in step 2 is
Superfine fibre, fibre number are 0.00015-0.00025 denier.
6. a kind of production method of slurry slag thermal insulation board according to claim 3, it is characterised in that：Semi-finished product described in step 4
The thermal insulation board number of plies is 5 layers, is 1 per layer thickness ratio:3:3:5:2.
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Application publication date: 20180713 |