CN108675661A - A kind of production method of thermal-insulating type calcium silicate board - Google Patents
A kind of production method of thermal-insulating type calcium silicate board Download PDFInfo
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- CN108675661A CN108675661A CN201810561397.XA CN201810561397A CN108675661A CN 108675661 A CN108675661 A CN 108675661A CN 201810561397 A CN201810561397 A CN 201810561397A CN 108675661 A CN108675661 A CN 108675661A
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- China
- Prior art keywords
- slab
- temperature
- calcium silicates
- silicate board
- stage
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Classifications
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- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- 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
- C04B18/02—Agglomerated materials, e.g. artificial aggregates
- C04B18/027—Lightweight materials
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B28/00—Compositions of mortars, concrete or artificial stone, containing inorganic binders or the reaction product of an inorganic and an organic binder, e.g. polycarboxylate cements
-
- 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
- C04B40/00—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability
- C04B40/0003—Processes, in general, for influencing or modifying the properties of mortars, concrete or artificial stone compositions, e.g. their setting or hardening ability making use of electric or wave energy or particle radiation
- C04B40/0021—Sonic or ultrasonic waves, e.g. to initiate sonochemical reactions
Abstract
A kind of production method of thermal-insulating type calcium silicate board, in one layer of hollow haydite of surface even spread of calcium silicates slab, then the hollow haydite is uniformly pressed into calcium silicates slab, then the calcium silicates slab is ultrasonically treated, is got product after then carrying out slab compacting, demoulding, steam pressure processing, drying, sanding, edging to the calcium silicates slab by supersound process；The slab compacting is so that slab is dehydrated using cold press compacting slab, the steam pressure processing is that first the calcium silicates slab after demoulding is placed under conditions of temperature is 50 70 DEG C to keep the temperature 4 5h, then calcium silicates slab is put into still kettle, 20 ~ 28 hours are kept the temperature under conditions of temperature is 190 195 DEG C, the drying is to take out calcium silicates slab from still kettle, and being dried to moisture content using 50 80 DEG C of temperature is less than or equal to 10%.Calcium silicate board produced by the present invention has the advantages that heat insulation effect is good.
Description
Technical field
The invention belongs to building material technical fields, and in particular to a kind of production method of thermal-insulating type calcium silicate board.
Background technology
The development trend of world's building materials industry is production lightweight, high-strength, energy-saving and environment-friendly construction material, the hair of building industry
Exhibition direction is to reduce the dead weight of building with the construction material of high-strength light, mitigate the earthquake load effects of structure, is improved anti-
Shock stability, mechanization, the assembling for improving construction are horizontal.Calcium silicate board is widely used in the world with its superior material property
In the architectural engineering of developed country, the 90's of 20th century calcium silicate board production technology introduces China, the China nearly 10 Yu Nianlai silicon
The increase of production of sour calcium plate is very fast, will be used wider and wider, and has gradually developed into one of the leading material of building board.
Calcium silicate board is using calcareous material, siliceous material and reinforcing fiber as main material, through the molding of stream slurry, slab pressure
Inorganic building board real, intensity made of steam press maintenance is high, performance is stablized.Calcium silicate board intensity is high, the wet rate that rises is small, heat conduction system
Number is low, fire protecting performance is good.Middle density calcium silicate plate can be used for the engineerings such as indoor partition, furred ceiling, sound insulation, decoration, fire prevention, high density
Calcium silicate board can be used in outdoor or wet environment.Existing calcium silicate board haves the shortcomings that heat insulation effect is bad, therefore having must
A kind of production method of thermal-insulating type calcium silicate board is provided.
Invention content
Present invention aims at provide a kind of production method of thermal-insulating type calcium silicate board.
To achieve the above object, technical solution provided by the invention is：A kind of production method of thermal-insulating type calcium silicate board,
The hollow haydite, is then uniformly pressed into calcium silicates slab by one layer of hollow haydite of surface even spread of calcium silicates slab,
Then the calcium silicates slab is ultrasonically treated, then to the calcium silicates slab by being ultrasonically treated carry out slab compacting,
It is got product after demoulding, steam pressure processing, drying, sanding, edging；The slab compacting is to make slab using cold press compacting slab
Dehydration, the steam pressure processing are that first the calcium silicates slab after demoulding is placed under conditions of temperature is 50-70 DEG C to keep the temperature 4-5h,
Then calcium silicates slab is put into still kettle, keeps the temperature 20 ~ 28 hours under conditions of temperature is 190-195 DEG C, the drying
It is to take out calcium silicates slab from still kettle, being dried to moisture content using 50-80 DEG C of temperature is less than or equal to 10%.
Preferably technical solution is：The thickness of the slab is 5-15mm.
Preferably technical solution is：The ultrasonic power of the supersound process is 500W, and processing time is 10 minutes.
Preferably technical solution is：The preparation method of the hollow haydite includes the following steps：
The first step：The biological sludge that moisture content is 80-85% is dehydrated by the mechanism filter-pressing of plate and frame filter press to moisture content 50-
55%, using 24-48h natural air dryings to moisture content 40-45%；
Second step：By the biological sludge of 25-30 parts by weight, the clay of 20-25 parts by weight, the flyash of 30-35 parts by weight and 10 ~
The hollow glass micropearl of 20 parts by weight is uniformly mixed, and was then squeezed the strainer by 15-20 mesh, and was granulated into a diameter of 3-4mm
Raw material bead；
Third walks：The raw material bead is fired to form hollow haydite, including following five stages：
First stage：The raw material bead is placed into ceramic firing device, is kept after being warming up to 180-190 DEG C in equipment
50-60min；
Second stage：First stage temperature is warming up to 1000-1050 DEG C in 30-45min；
Phase III：10-15min is kept the temperature under the conditions of 1000-1050 DEG C；
Fourth stage：Phase III temperature is cooled to 600-750 DEG C in 15-20min.
5th stage：After fourth stage, by ceramic firing device natural cooling 12h or more, it is as hollow to take out material
Haydite.
Preferably technical solution is：The filter cloth aperture fineness of the plate and frame filter press assembly is 700-800 mesh.
Since above-mentioned technical proposal is used, the present invention this have the advantage that compared with prior art：
Calcium silicate board produced by the present invention has the advantages that heat insulation effect is good.
Specific implementation mode
Illustrate that embodiments of the present invention, those skilled in the art can be by this explanations by particular specific embodiment below
Content disclosed by book understands other advantages and effect of the present invention easily.
Embodiment 1：A kind of production method of thermal-insulating type calcium silicate board
A kind of production method of thermal-insulating type calcium silicate board, in one layer of hollow haydite of surface even spread of calcium silicates slab, then
The hollow haydite is uniformly pressed into calcium silicates slab, then the calcium silicates slab is ultrasonically treated, then to warp
It crosses after the calcium silicates slab being ultrasonically treated carries out slab compacting, demoulding, steam pressure processing, drying, sanding, edging and gets product；Institute
It is so that slab is dehydrated using cold press compacting slab to state slab compacting, and the steam pressure processing is first by the calcium silicates slab after demoulding
It is placed under conditions of temperature is 50 DEG C and keeps the temperature 5h, then calcium silicates slab is put into still kettle, the item for being 190 DEG C in temperature
28 hours are kept the temperature under part, the drying is to take out calcium silicates slab from still kettle, and moisture content is dried to using 80 DEG C of temperature
It is 1%.
Preferred embodiment is：The thickness of the slab is 15mm.
Preferred embodiment is：The ultrasonic power of the supersound process is 500W, and processing time is 10 minutes.
Preferred embodiment is：The preparation method of the hollow haydite includes the following steps：
The first step：The biological sludge that moisture content is 85% is dehydrated by the mechanism filter-pressing of plate and frame filter press to moisture content 55%, then
By 48h natural air dryings to moisture content 40%；
Second step：By the biological sludge of 30 parts by weight, the sky of the clay of 25 parts by weight, the flyash of 35 parts by weight and 20 parts by weight
Heart glass microballoon is uniformly mixed, and was then squeezed the strainer by 20 mesh, and was granulated into the raw material bead of a diameter of 4mm；
Third walks：The raw material bead is fired to form hollow haydite, including following five stages：
First stage：The raw material bead is placed into ceramic firing device, 50min is kept after 190 DEG C are warming up in equipment；
Second stage：First stage temperature is warming up to 1000 DEG C in 30min；
Phase III：15min is kept the temperature under the conditions of 1000 DEG C；
Fourth stage：Phase III temperature is cooled to 600 DEG C in 20min.
5th stage：After fourth stage, by ceramic firing device natural cooling 12h or more, it is as hollow to take out material
Haydite.
Preferred embodiment is：The filter cloth aperture fineness of the plate and frame filter press assembly is 700 mesh.
It is with the advantages of ultrasonication in calcium silicate board forming process：（1）Accelerate shaping speed, molding time shortens 20
~40%；（2）Change Structure of Calcium Silicates so that calcium silicate board is lighter, same thickness loss of weight 5 ~ 10%；（3）Change calcium silicates surface
Microstructure improves filler adsorption capacity and the rate of adsorption.
Embodiment 2：A kind of production method of thermal-insulating type calcium silicate board
A kind of production method of thermal-insulating type calcium silicate board, in one layer of hollow haydite of surface even spread of calcium silicates slab, then
The hollow haydite is uniformly pressed into calcium silicates slab, then the calcium silicates slab is ultrasonically treated, then to warp
It crosses after the calcium silicates slab being ultrasonically treated carries out slab compacting, demoulding, steam pressure processing, drying, sanding, edging and gets product；Institute
It is so that slab is dehydrated using cold press compacting slab to state slab compacting, and the steam pressure processing is first by the calcium silicates slab after demoulding
It is placed under conditions of temperature is 70 DEG C and keeps the temperature 4h, then calcium silicates slab is put into still kettle, the item for being 195 DEG C in temperature
20 hours are kept the temperature under part, the drying is to take out calcium silicates slab from still kettle, and moisture content is dried to using 50 DEG C of temperature
It is 10%.
Preferred embodiment is：The thickness of the slab is 5mm.
Preferred embodiment is：The ultrasonic power of the supersound process is 500W, and processing time is 10 minutes.
Preferred embodiment is：The preparation method of the hollow haydite includes the following steps：
The first step：The biological sludge that moisture content is 80% is dehydrated by the mechanism filter-pressing of plate and frame filter press to moisture content 50%, then
By natural air drying for 24 hours to moisture content 40%；
Second step：By the biological sludge of 25 parts by weight, the sky of the clay of 20 parts by weight, the flyash of 30 parts by weight and 10 parts by weight
Heart glass microballoon is uniformly mixed, and was then squeezed the strainer by 15 mesh, and was granulated into the raw material bead of a diameter of 3mm；
Third walks：The raw material bead is fired to form hollow haydite, including following five stages：
First stage：The raw material bead is placed into ceramic firing device, 60min is kept after 180 DEG C are warming up in equipment；
Second stage：First stage temperature is warming up to 1050 DEG C in 45min；
Phase III：10min is kept the temperature under the conditions of 1050 DEG C；
Fourth stage：Phase III temperature is cooled to 600 DEG C in 15min.
5th stage：After fourth stage, by ceramic firing device natural cooling 12h or more, it is as hollow to take out material
Haydite.
Preferred embodiment is：The filter cloth aperture fineness of the plate and frame filter press assembly is 700 mesh.
Embodiment 3：A kind of production method of thermal-insulating type calcium silicate board
A kind of production method of thermal-insulating type calcium silicate board, in one layer of hollow haydite of surface even spread of calcium silicates slab, then
The hollow haydite is uniformly pressed into calcium silicates slab, then the calcium silicates slab is ultrasonically treated, then to warp
It crosses after the calcium silicates slab being ultrasonically treated carries out slab compacting, demoulding, steam pressure processing, drying, sanding, edging and gets product；Institute
It is so that slab is dehydrated using cold press compacting slab to state slab compacting, and the steam pressure processing is first by the calcium silicates slab after demoulding
It is placed under conditions of temperature is 60 DEG C and keeps the temperature 4.5h, then calcium silicates slab is put into still kettle, be 192 DEG C in temperature
Under the conditions of keep the temperature 24 hours, the drying is to take out calcium silicates slab from still kettle, is dried to using 65 DEG C of temperature aqueous
Rate is 5%.
Preferred embodiment is：The thickness of the slab is 10mm.
Preferred embodiment is：The ultrasonic power of the supersound process is 500W, and processing time is 10 minutes.
Preferred embodiment is：The preparation method of the hollow haydite includes the following steps：
The first step：The biological sludge that moisture content is 82% is dehydrated by the mechanism filter-pressing of plate and frame filter press to moisture content 53%, then
By 24-48h natural air dryings to moisture content 42%；
Second step：By the biological sludge of 27 parts by weight, the sky of the clay of 23 parts by weight, the flyash of 33 parts by weight and 15 parts by weight
Heart glass microballoon is uniformly mixed, and was then squeezed the strainer by 17 mesh, and was granulated into the raw material bead of a diameter of 3.5mm；
Third walks：The raw material bead is fired to form hollow haydite, including following five stages：
First stage：The raw material bead is placed into ceramic firing device, 55min is kept after 185 DEG C are warming up in equipment；
Second stage：First stage temperature is warming up to 1020 DEG C in 32min；
Phase III：13min is kept the temperature under the conditions of 1020 DEG C；
Fourth stage：Phase III temperature is cooled to 680 DEG C in 17min.
5th stage：After fourth stage, by ceramic firing device natural cooling 12h or more, it is as hollow to take out material
Haydite.
Preferred embodiment is：The filter cloth aperture fineness of the plate and frame filter press assembly is 750 mesh.
The above-described embodiments merely illustrate the principles and effects of the present invention, and is not intended to limit the present invention.It is any ripe
The personage for knowing this technology can all carry out modifications and changes to above-described embodiment without violating the spirit and scope of the present invention.Cause
This, institute is complete without departing from the spirit and technical ideas disclosed in the present invention by those of ordinary skill in the art such as
At all equivalent modifications or change, should by the present invention claim be covered.
Claims (5)
1. a kind of production method of thermal-insulating type calcium silicate board, it is characterised in that：In one layer of the surface even spread of calcium silicates slab
Then the hollow haydite is uniformly pressed into calcium silicates slab by hollow haydite, then carry out ultrasound to the calcium silicates slab
Then processing carries out slab compacting, demoulding, steam pressure processing, drying, sanding, edging to the calcium silicates slab by being ultrasonically treated
After get product；The slab compacting is so that slab is dehydrated using cold press compacting slab, and the steam pressure processing is first will demoulding
Calcium silicates slab afterwards is placed under conditions of temperature is 50-70 DEG C and keeps the temperature 4-5h, and calcium silicates slab is then put into still kettle
In, 20 ~ 28 hours are kept the temperature under conditions of temperature is 190-195 DEG C, the drying is to take calcium silicates slab from still kettle
Go out, being dried to moisture content using 50-80 DEG C of temperature is less than or equal to 10%.
2. the production method of thermal-insulating type calcium silicate board according to claim 1, it is characterised in that：The thickness of the slab is
5-15mm。
3. the production method of thermal-insulating type calcium silicate board according to claim 1, it is characterised in that：The supersound process surpasses
Acoustical power is 500W, and processing time is 10 minutes.
4. the production method of thermal-insulating type calcium silicate board according to claim 1, it is characterised in that：The system of the hollow haydite
Preparation Method includes the following steps：
The first step：The biological sludge that moisture content is 80-85% is dehydrated by the mechanism filter-pressing of plate and frame filter press to moisture content 50-
55%, using 24-48h natural air dryings to moisture content 40-45%；
Second step：By the biological sludge of 25-30 parts by weight, the clay of 20-25 parts by weight, the flyash of 30-35 parts by weight and 10 ~
The hollow glass micropearl of 20 parts by weight is uniformly mixed, and was then squeezed the strainer by 15-20 mesh, and was granulated into a diameter of 3-4mm
Raw material bead；
Third walks：The raw material bead is fired to form hollow haydite, including following five stages：
First stage：The raw material bead is placed into ceramic firing device, is kept after being warming up to 180-190 DEG C in equipment
50-60min；
Second stage：First stage temperature is warming up to 1000-1050 DEG C in 30-45min；
Phase III：10-15min is kept the temperature under the conditions of 1000-1050 DEG C；
Fourth stage：Phase III temperature is cooled to 600-750 DEG C in 15-20min；
5th stage：After fourth stage, by ceramic firing device natural cooling 12h or more, it is hollow haydite to take out material.
5. the production method of thermal-insulating type calcium silicate board according to claim 4, it is characterised in that：The plate and frame filter press dress
The filter cloth aperture fineness matched is 700-800 mesh.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561397.XA CN108675661A (en) | 2018-06-04 | 2018-06-04 | A kind of production method of thermal-insulating type calcium silicate board |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810561397.XA CN108675661A (en) | 2018-06-04 | 2018-06-04 | A kind of production method of thermal-insulating type calcium silicate board |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108675661A true CN108675661A (en) | 2018-10-19 |
Family
ID=63809772
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810561397.XA Withdrawn CN108675661A (en) | 2018-06-04 | 2018-06-04 | A kind of production method of thermal-insulating type calcium silicate board |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279831A (en) * | 2008-06-03 | 2008-10-08 | 廖合堂 | Gastrosil plate and preparation thereof |
| CN102605870A (en) * | 2012-03-23 | 2012-07-25 | 武汉建筑材料工业设计研究院有限公司 | Outer heat-insulation composite plate for exterior wall and manufacturing process of outer heat-insulation composite plate |
| CN103132620A (en) * | 2013-03-07 | 2013-06-05 | 孔祥利 | Integrated closed-cell perlite insulation board |
| CN104354352A (en) * | 2014-10-14 | 2015-02-18 | 陈国顺 | Color printing type reflective fabric and production method thereof |
| CN105298009A (en) * | 2014-06-12 | 2016-02-03 | 上海斯米克控股股份有限公司 | Vermiculite and calcium silicate composite board capable of releasing negative oxygen ions and its production method |
| CN107021734A (en) * | 2017-03-29 | 2017-08-08 | 南京师范大学 | Haydite prepared by a kind of utilization domestic refuse incineration ash sludge and preparation method thereof |
-
2018
- 2018-06-04 CN CN201810561397.XA patent/CN108675661A/en not_active Withdrawn
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101279831A (en) * | 2008-06-03 | 2008-10-08 | 廖合堂 | Gastrosil plate and preparation thereof |
| CN102605870A (en) * | 2012-03-23 | 2012-07-25 | 武汉建筑材料工业设计研究院有限公司 | Outer heat-insulation composite plate for exterior wall and manufacturing process of outer heat-insulation composite plate |
| CN103132620A (en) * | 2013-03-07 | 2013-06-05 | 孔祥利 | Integrated closed-cell perlite insulation board |
| CN105298009A (en) * | 2014-06-12 | 2016-02-03 | 上海斯米克控股股份有限公司 | Vermiculite and calcium silicate composite board capable of releasing negative oxygen ions and its production method |
| CN104354352A (en) * | 2014-10-14 | 2015-02-18 | 陈国顺 | Color printing type reflective fabric and production method thereof |
| CN107021734A (en) * | 2017-03-29 | 2017-08-08 | 南京师范大学 | Haydite prepared by a kind of utilization domestic refuse incineration ash sludge and preparation method thereof |
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Application publication date: 20181019 |