Invention content
The first object of the present invention is to provide a kind of production technology of calcium silicate board with microporous slab, be deposited with alleviating traditional processing technology
The technical issues of cannot producing large scale, ultra-thin, super thick and/or coloury calcium silicate board with microporous.
The second object of the present invention is to provide a kind of process units of calcium silicate board with microporous slab, can be produced by the device
Large scale, ultra-thin, super thick and/or coloury calcium silicate board with microporous, meanwhile, equipment is simple, stable and reliable operation, and production cost is low.
The third object of the present invention is to provide a kind of production technology of calcium silicate board with microporous, which includes above-mentioned calcium silicate board with microporous
The production technology of slab, thus at least there is advantage identical with the above-mentioned production technology of calcium silicate board with microporous slab.
The fourth object of the present invention is to provide a kind of calcium silicate board with microporous, which has excellent performance, and product quality is stablized, size
High, adaptable, rich in color, the good appearance with thickness controllability.
To achieve the above object, the technical solution adopted by the present invention is:
According to an aspect of the present invention, the present invention provides a kind of production technology of calcium silicate board with microporous slab, in pre-shaping device
Top be equipped with it is spaced apart cover charging gears, it is cover in charging gears equipped with the material including at least two kinds of coloured pigments more
Slurry;
It will be on prepared slurry pipeline transport to pre-shaping device by charging gear;
Vacuum dehydration is carried out during carrying out preforming using pre-shaping device, dewatered material is in preforming dress
It is adhered under the action of setting on feeding blanket;
Material bed on feeding blanket moves under the drive of transmission mechanism to forming tube direction, defeated via more set charging gears
The material bed superimposion in the motion process sent forms silicon then by forming tube winding, compression moulding after dehydration
Calcium plate slab.
As further preferred technical solution, the charging gear includes sequentially connected charging basket, feed pump and cloth tube,
The discharge end of the cloth tube is connected to the pre-shaping device;
Preferably, the quantity of the charging gear is 2~7 sets;
Preferably, the color for often covering the pigment that the slurry being equipped in the charging gear is included is different.
As further preferred technical solution, the pre-shaping device include by material strip, positioned at described by below material strip
Vacuum dehydration mechanism, with the preforming cylinder of the material feeding band connection and with the preforming matched extrusion roll shaft of cylinder;
It is delivered to the slurry that material feeding takes from charging gear to move to preforming cylinder direction under the drive of transmission mechanism, transport
Remove partial moisture during dynamic under the action of vacuum dehydration mechanism, dewatered material preforming cylinder, extrusion roll shaft with
And it is adhered under vacuum action on feeding blanket;
Preferably, the pre-shaping device further includes wiper mechanism, and the wiper mechanism is located at the downstream side of preforming cylinder
To.
As further preferred technical solution, adopted during superimposion equipped with dehydration device below the feeding blanket
It is dehydrated again with the dehydration device;
Preferably, the vacuum degree of the dehydration device be 20~50kPa, preferably 30~40kPa, further preferably
40kPa;
Preferably, material water ratio≤35wt% after twice dehydration.
As further preferred technical solution, a diameter of 80~120mm of the preforming cylinder, preferably 90~110mm,
Further preferably 100mm;The length of the preforming cylinder be 1400~1800mm, preferably 1500~1700mm, further
Preferably 1600mm;
Preferably, the preforming cylinder quantity is multiple, and the number of the quantity and the charging gear of the preforming cylinder
It measures corresponding.
As further preferred technical solution, the width of the feeding blanket is 1300~1800mm, preferably 1400~
1600mm, further preferably 1500mm;The speed of service of the feeding blanket is 70~90m/min, preferably 75~85m/
Min, further preferably 80m/min.
As further preferred technical solution, a diameter of 1300~1800mm of the forming tube, preferably 1400~
1600mm, further preferably 1500mm;The length of the forming tube be 1400~1800mm, preferably 1500~1700mm,
Further preferably 1600mm;
The rotating speed of the forming tube is 15~20r/min, preferably 16~18r/min, further preferably 17r/min;
The pressure of the forming tube is 1~3MPa, preferably 1.5~2.5MPa, further preferably 2Mpa;
Preferably, which further includes being adjusted between the forming tube and molding roll shaft by digital control lifting device
Distance.
According to another aspect of the present invention, the present invention provides a kind of process units of calcium silicate board with microporous slab, including cover more to
Expect device, pre-shaping device, feeding blanket, transmission mechanism and forming tube;
The charging gear is connect with pre-shaping device, and the pre-shaping device is equipped with for removing the true of moisture in slurry
Empty dewatering device;
The pre-shaping device is connect with feeding blanket, and the feeding blanket is connect with the transmission mechanism and forming tube respectively.
According to another aspect of the present invention, the present invention provides a kind of production technology of calcium silicate board with microporous, including above-described
The production technology of calcium silicate board with microporous slab.
According to another aspect of the present invention, the present invention provides a kind of calcium silicate board with microporous, utilizes the production work of above-mentioned calcium silicate board with microporous
Skill is prepared.
Compared with prior art, the beneficial effects of the present invention are:
It is de- that the production technology of the present invention carries out vacuum by covering charging gear, pre-shaping device, in preform process more
Being equipped with for water, forming tube roll-forming etc., greatly reduces the moisture content of molding mass, can not only produce individual
4m2The slab of above large scale, 1-2mm calcium silicates thin plate and 20mm or more, and it is steam-cured after product size stability it is good,
High yield rate;
Simultaneously as setting covers charging gear, multiple spot feed, and then it is easy to produce composite construction by adjusting dispensing
Multi-functional calcium silicate board with microporous and the colourful composite coloured plate of floral designs can better meet consumer to calcium silicate board with microporous functionality
And the demand of colour image beauty;
In addition, also there is shaping speed faster, and production efficiency higher, energy consumption of unit product and the lower spy of production cost
Point.
Specific implementation mode
Embodiment of the present invention is described in detail below in conjunction with embodiments and examples, but this field skill
Art personnel will be understood that following embodiments and embodiment are merely to illustrate the present invention, and be not construed as the model of the limitation present invention
It encloses.Based on the embodiments of the present invention, obtained by those of ordinary skill in the art without making creative efforts
Every other embodiment, shall fall within the protection scope of the present invention.The person that is not specified actual conditions, builds according to normal condition or manufacturer
The condition of view carries out.
In a first aspect, a kind of production technology of calcium silicate board with microporous slab is provided at least one embodiment, in pre-shaping device
Top be equipped with it is spaced apart cover charging gears, it is cover in charging gears equipped with the material including at least two kinds of coloured pigments more
Slurry;
It will be on prepared slurry pipeline transport to pre-shaping device by charging gear;
Vacuum dehydration is carried out during carrying out preforming using pre-shaping device, dewatered material is in preforming dress
It is adhered under the action of setting on feeding blanket;
Material bed on feeding blanket moves under the drive of transmission mechanism to forming tube direction, defeated via more set charging gears
The material bed superimposion in the motion process sent forms silicon then by forming tube winding, compression moulding after dehydration
Calcium plate slab.
Production technology to alleviate traditional cannot produce large scale, smooth 1-2mm calcium silicates thin plate and 20mm or more
Calcium silicates slab, the technical issues of can not producing floral designs colourful colored calcium silicate board with microporous, the present invention provides one kind
Multiple spot is fed, rolls the production of the calcium silicate board with microporous slab of feeding (or rolling preforming), feeding process vacuum dehydration and roll-forming
Technique can produce large scale, ultra-thin and ultra-thick plate and multicoloured calcium silicate board with microporous by the process system.
Further speaking, which is mainly provided with more set charging gears and multiple pre-shaping devices, charging gear
Be adapted with the quantity of pre-shaping device, and more set charging gears and multiple pre-shaping devices can be spaced, be evenly arranged.It is more
The slurry of different type or different function can be equipped with by covering in charging gear, contained by the slurry being equipped in especially each charging gear
The type of pigment can be different, and multiple pre-shaping devices can receive the slurry of various different colours respectively, and then realize
Produce the purpose of rich in color, floral designs calcium silicate board with microporous.
It prepared slurry will be packed into charging gear in advance, and by charging gear by slurry pipeline transport to pre-shaping device
On, it is preforming to material progress using pre-shaping device, and vacuum dehydration is carried out during preforming, to remove in slurry
Most of water, dewatered wet feed is adhered under the action of pre-shaping device on feeding blanket;The slurry of multiple feeding points passes through
Wet feed after vacuum dehydration is moved with feeding blanket to forming tube direction under the drive of transmission mechanism, is folded in the motion process
Add compound, the molding mass after finally dehydration and superimposion, which is sent, to be folded winding up roller to forming tube and be pressed into large scale, ultra-thin or super thick plate
Material.
The production technology of the present invention mainly has the advantage that compared with traditional slurry flowing process production technology:
(1) vacuum dehydration, forming tube roll-in are carried out by covering charging gear, pre-shaping device, in preform process more
Being equipped with for molding etc., greatly reduces the moisture content of molding mass, can not only produce individual 4m2Above big ruler
Very little, 1-2mm calcium silicates thin plate and 20mm or more slab, and steam-cured rear product size stability is good, high yield rate;It can expire
Sufficient different application scene has widened its application range, using flexible higher, adaptability is more for the functional requirements of calcium silicate board with microporous
By force.
(2) since more set charging gears, multiple spot feed is arranged, and then it is easy to produce the more of composite construction by adjusting dispensing
Function calcium silicate board with microporous and the colourful composite coloured plate of floral designs, can better meet consumer it is functional to calcium silicate board with microporous and
The demand of colour image beauty;The apparent visual effect of calcium silicate board with microporous is enhanced, appearance color is abundant, and plank can have required
Various appearances, improve the aesthetic measure and performance of plank.
(3) technological process is simple, easy to operate, easy to implement;By the tight fit between each step, production has been saved
Time, faster, production efficiency higher, energy consumption of unit product and production cost are lower, and then greatly improve enterprise for shaping speed
Economic benefit, application easy to spread.
In a preferred embodiment, the charging gear includes sequentially connected charging basket, feed pump and cloth tube,
The discharge end of the cloth tube is connected to the pre-shaping device;
Preferably, the quantity of the charging gear is 2~7 sets;
Preferably, the color for often covering the pigment that the slurry being equipped in the charging gear is included is different.
In above-mentioned charging gear, charging basket is for containing prepared slurry, and for conveying slurry, cloth tube is used for feed pump
Slurry is evenly dispersed on pre-shaping device.It is not special for the specific constructive form of charging basket, feed pump and cloth tube
Limitation, using commonly used in the art.
It is that more set charging gears can be spaced, be evenly arranged;The quantity of charging gear for example can be 2 sets, 3 sets, 4 sets, 5
It covers, 6 sets or 7 sets;Certainly, the quantity of charging gear is not limited to this, can be according to production requirement increasing appropriate in practical application
It adds deduct few.
By covering the setting of charging gear, i.e., by the way of multiple spot feed, can be fed simultaneously to pre-shaping device more
A variety of dispensings especially feed the slurry of multiple color, can not only improve the performance of plank, adaptable, and can have
There are required various appearances, promotes the aesthetic measure of plank.
In a preferred embodiment, the pre-shaping device include by material strip, positioned at described by below material strip
Vacuum dehydration mechanism, with the preforming cylinder of the material feeding band connection and with the preforming matched extrusion roll shaft of cylinder;
It is delivered to the slurry that material feeding takes from charging gear to move to preforming cylinder direction under the drive of transmission mechanism, transport
Remove partial moisture during dynamic under the action of vacuum dehydration mechanism, dewatered material preforming cylinder, extrusion roll shaft with
And it is adhered under vacuum action on feeding blanket;
Preferably, the pre-shaping device further includes wiper mechanism, and the wiper mechanism is located at the downstream side of preforming cylinder
To.
In a preferred embodiment, a diameter of 80~120mm of the preforming cylinder, preferably 90~110mm,
Further preferably 100mm;The length of the preforming cylinder be 1400~1800mm, preferably 1500~1700mm, further
Preferably 1600mm;
Preferably, the preforming cylinder quantity is multiple, and the number of the quantity and the charging gear of the preforming cylinder
It measures corresponding.
The main function of above-mentioned pre-shaping device is to realize splicing, dehydration, preforming and to feeding blanket, forming tube feeding.
Pre-shaping device include mainly for receive material by material strip, the vacuum dehydration mechanism for removing most of water in slurry,
For preforming preforming cylinder, the extrusion roll shaft with preforming cylinder mating reaction, and cleaning is by the wiper mechanism of material strip etc..
Wherein, the setting of vacuum dehydration mechanism is by the process below material strip, conveyed to preforming cylinder in slurry with realization
Middle vacuum dehydration.It for the concrete type of vacuum dehydration mechanism, is not particularly limited, as long as can be by most of water removing in slurry
;Such as vacuum pump commonly used in the art can be used.
Preforming cylinder and extrusion roll shaft mating reaction, to realize the preforming of material.The size of preforming cylinder is less than into
The size of type tube;Typical but unrestricted, the diameter of preforming cylinder can be 80mm, 90mm, 100mm, 110mm or 120mm, excellent
It is selected as 100mm;The length of preforming cylinder can be 1400mm, 1500mm, 1600mm, 1700mm or 1800mm, preferably
1600mm.Preforming cylinder quantity is multiple, and the quantity of preforming cylinder is corresponding with the quantity of charging gear;Multiple preforming cylinders
The slurry that can receive various different colours respectively, the floral designs to realize till soleplate are rich and varied.
Wiper mechanism is mainly used for cleaning by material strip, preforming cylinder, feeding blanket, forming tube etc., can only setting one clean
Mechanism.Optionally, which is positioned close at the position of forming tube.For the specific constructive form of wiper mechanism, do not have
Have it is specifically limited, using the abstergent device of tool commonly used in the art.
In a preferred embodiment, it is adopted during superimposion equipped with dehydration device below the feeding blanket
It is dehydrated again with the dehydration device;
Preferably, the vacuum degree of the dehydration device be 20~50kPa, preferably 30~40kPa, further preferably
40kPa;
Preferably, material water ratio≤35wt% after twice dehydration.
Above-mentioned dehydration device is arranged below feeding blanket, for the material of multiple feeding points to be driven after preforming
Mechanism drive under as feeding blanket is moved to forming tube, and be dehydrated again during superimposion during exercise, with into
One step reduce molding mass moisture content, it is easy to produce go out large scale, ultra-thin or super thick plank.
For the concrete type of above-mentioned dehydration device, not special limitation, as long as can further by it is material bed into
Row dehydration.For example, the dehydration device can be vacuum dewatering plant, further, which can be vacuum pump
Deng.Quantity also not special limitation for the dehydration device, can be arranged one or more.
Typical but non-limiting, the vacuum degree of the dehydration device is 20kPa, 30kPa, 40kPa or 50kPa.By upper
After stating vacuum dehydration mechanism in pre-shaping device and the dehydration device twice dehydration, the moisture content of molding materials is general≤
35wt%;Preferably, the moisture content of molding materials is between 25~35wt%;It is highly preferred that the moisture content of molding materials is 28
Between~32wt%.
In a preferred embodiment, the width of the feeding blanket be 1300~1800mm, preferably 1400~
1600mm, further preferably 1500mm;The speed of service of the feeding blanket is 70~90m/min, preferably 75~85m/
Min, further preferably 80m/min.
The feeding blanket is that have good tensile breakage intensity, excellent air penetrability, and the feeding of resistance to acid and alkali
Blanket, effect are conveying molding materials.It is typical but unrestricted, the width of feeding blanket can be 1300mm, 1400mm,
1500mm, 1600mm, 1700mm or 1800mm, preferably 1500mm;The speed of service of feeding blanket can be 70m/min, 75m/
Min, 80m/min, 85m/min or 90m/min, preferably 80m/min.
In a preferred embodiment, a diameter of 1300~1800mm of the forming tube, preferably 1400~
1600mm, further preferably 1500mm;The length of the forming tube be 1400~1800mm, preferably 1500~1700mm,
Further preferably 1600mm;
The rotating speed of the forming tube is 15~20r/min, preferably 16~18r/min, further preferably 17r/min;
The pressure of the forming tube is 1~3MPa, preferably 1.5~2.5MPa, further preferably 2Mpa.
In the present invention, forming tube can be controlled by control device, which is existing equipment, specific
Mode of operation, which is also those skilled in the art, to be learnt.The size of forming tube is greater than the size of preforming cylinder, it is typical but
Unrestricted, the diameter of forming tube can be 1300mm, 1400mm, 1500mm, 1600mm, 1700mm or 1800mm, preferably
1500mm;The length of preforming cylinder can be 1400mm, 1500mm, 1600mm, 1700mm or 1800mm, preferably 1600mm;
The rotating speed of forming tube can be 15r/min, 16r/min, 17r/min, 18r/min, 19r/min or 20r/min, preferably
17r/min;The pressure of forming tube can be 1MPa, 1.5MPa, 2MPa, 2.5MPa or 3MPa, preferably 2Mpa.
In a preferred embodiment, which further includes adjusting the forming tube by digital control lifting device
The distance between molding roll shaft.
Optionally, the digital control lifting device, mainly by air compressor machine, pneumatic apparatus and pneumatic control valve group at,
Its action principle be by control air-flow pressure, flow and flow direction, ensure pneumatic apparatus according to system requirements with
When adjust molding roll shaft (extrusion roll shaft can also be claimed) and the distance between forming tube.
Under the action of digital control lifting device, molding materials to be rolled by forming tube and molding roll shaft mating reaction
Type obtains calcium silicate board with microporous slab;It is easy to operate, simple flow, high degree of automation, it can be ensured that the quality stability of product, also
Help improve production efficiency.
Optionally, the transmission mechanism includes drive roller shaft, and the driving device that driving drive roller shaft rotates.For transmission
The concrete type of roll shaft and driving device, not special limitation, using commonly used in the art.
In a preferred embodiment, the production technology of calcium silicate board with microporous slab of the invention, mainly includes the following steps that:
It is equipped with spaced apart mostly set charging gear in the top of pre-shaping device, is equipped in more set charging gears and at least wraps
Slurry containing two kinds of coloured pigments;
Prepared slurry is housed in charging basket, prepared slurry is uniformly conveyed by feed pump through cloth tube by charging basket
It is taken to material feeding;The slurry that material feeding takes moves, in vacuum in motion process under drive roller shaft drive to preforming cylinder direction
Most of water is removed under the action of dewatering device, after preformed cylinder and extrusion roll shaft squeeze, dewatered wet stock is because viscous
It is adhered under power and vacuum action on feeding blanket;
Wet stock of the slurry of multiple feeding points after vacuum dehydration is under the drive of drive roller shaft simultaneously with feeding blanket
Moved to forming tube direction, and superimposion during the motion, after superimposion it is material bed again by feeding blanket below
Vacuum dewatering plant is dehydrated again, and the filter cake material of superimposion folds winding up roller pressure through forming tube after last multiple spot feed, dehydration
Molding forms large scale, ultra-thin or super thick calcium silicate board with microporous slab.Wherein, the pressure of forming tube can pass through digital control lifting device
Automatic adjustment, with the increase of plate thickness, pressure increases automatically.
Second aspect provides a kind of production for realizing above-described calcium silicate board with microporous slab at least one embodiment
The process units of technique, including cover charging gear, pre-shaping device, feeding blanket, transmission mechanism and forming tube more;
The charging gear is connect with pre-shaping device, and the pre-shaping device is equipped with for removing the true of moisture in slurry
Empty dewatering device;
The pre-shaping device is connect with feeding blanket, and the feeding blanket is connect with the transmission mechanism and forming tube respectively.
Wherein, charging gear includes sequentially connected charging basket, feed pump and cloth tube, the discharge end of cloth tube with it is preforming
Device is connected to;The quantity of charging gear is 2~7 sets.
Pre-shaping device include by material strip, positioned at by below material strip vacuum dehydration mechanism, with material feeding band connection it is pre- at
Type tube and with the matched extrusion roll shaft of preforming cylinder;Pre-shaping device further includes wiper mechanism, and wiper mechanism is located at preforming
The downstream direction of cylinder.
The process units further includes dehydration device, which is located at the lower section of feeding blanket, during superimposion,
It is dehydrated again using the dehydration device.
The process units further includes digital control lifting device, is adjusted between forming tube and molding roll shaft by digital control lifting device
Distance.
Transmission mechanism includes drive roller shaft, and the driving device that driving drive roller shaft rotates.
The equipment that above-mentioned process units is included is simple, without complicated device systems, saves cost of investment, operation is steady
It is fixed reliable, and procedure arrangement is reasonable, it is easy to operate, it is easy to implement, by the tight fit between each step, when having saved production
Between, improve productivity effect.
The third aspect provides a kind of production technology of calcium silicate board with microporous at least one embodiment, including above-described silicon
The production technology of calcium plate slab.
Fourth aspect provides a kind of calcium silicate board with microporous at least one embodiment, utilizes the production technology of the calcium silicate board with microporous
It is prepared.
The present invention calcium silicate board with microporous production technology and obtained calcium silicate board with microporous, the production technology with aforementioned calcium silicate board with microporous slab be
Based on same inventive concept, thus the production technology of the calcium silicate board with microporous and obtained calcium silicate board with microporous have aforementioned calcium silicate board with microporous slab
The institute of production technology is effective, and details are not described herein.
It should be noted that the other processes for being included for the production technology of calcium silicate board with microporous do not do it is specifically limited, for it
The concrete operations parameter of his process is not done specifically limited yet, is using other any embodiments commonly used in the art
It can;The core of the production technology of the calcium silicate board with microporous is to contain the production technology of above-mentioned calcium silicate board with microporous slab.
Optionally, the production technology of the calcium silicate board with microporous, include successively dispensing, plate blank molding, demoulding, steam press maintenance, at drying
The processes such as reason, sanding.
Optionally, the raw material of calcium silicate board with microporous includes diatomite, lime, silica flour, wood-fibred, water and optionally pigment.
It should be noted that the present invention does not have the raw material of calcium silicate board with microporous special limitation, above several originals may be used
Material, can also use other other similar or commonly used in the art raw materials.The content of each raw material is also not particularly limited,
Using raw material proportioning well-known to those skilled in the art.
With reference to specific embodiments and the drawings, the invention will be further described.
Fig. 1 shows the flow diagram of the production technology for the calcium silicate board with microporous slab that one embodiment of the present invention provides;Such as
Shown in Fig. 1, the process units of calcium silicate board with microporous slab, including cover more charging gear 1, pre-shaping device 2, feeding blanket 3, transmission mechanism and
Forming tube 6;Charging gear 1 is connect with pre-shaping device 2, and pre-shaping device 2 is connect with feeding blanket 3, feeding blanket 3 respectively with biography
Motivation structure and forming tube 6 connect.Wherein, charging gear 1 includes sequentially connected charging basket 101, feed pump 102 and cloth tube
103, the discharge end of cloth tube 103 is connected to pre-shaping device 2;Pre-shaping device 2 includes by material strip 201, is located at by material strip
The vacuum dehydration mechanisms 202 of 201 lower sections, the preforming cylinder 203 that is connect with by material strip 201 and matched with preforming cylinder 203
Extrusion roll shaft 204, and downstream direction positioned at preforming cylinder 203 wiper mechanism 205.Transmission mechanism includes drive roller shaft
4, and drive the driving device of the rotation of drive roller shaft 4.The process units further includes the dehydration device 5 positioned at the lower section of feeding blanket 3
With the digital control lifting device 8 for adjusting forming tube 6 with being molded the distance between roll shaft 7.
As shown in Figure 1, the present invention a kind of preferred embodiment in, the production technology of calcium silicate board with microporous slab, include mainly with
Lower step:
Prepared slurry is housed in charging basket 101, prepared slurry is by charging basket 101 by feed pump 102 through cloth
Pipe 103 is evenly supplied to by material strip 201;By the slurry on material strip 201 under the drive of drive roller shaft 4, to 203 side of preforming cylinder
To movement, most of water, preformed cylinder 203 and compression roller are removed in motion process under the action of vacuum dehydration mechanism 202
After axis 204 squeezes, dewatered wet stock under viscous force and vacuum action because being adhered on feeding blanket 3;
Wet stock of the slurry of multiple feeding points after vacuum dehydration is under the drive of drive roller shaft 4 simultaneously with feeding blanket
3 move to 6 direction of forming tube, and superimposion during the motion, and material bed after superimposion passes through the lower section of feeding blanket 3 again
Vacuum dewatering plant 5 be dehydrated again, the filter cake material of superimposion is through the folded volume of forming tube 6 after last multiple spot feed, dehydration
Roll-forming forms large scale, ultra-thin, super thick or coloury calcium silicate board with microporous slab.Wherein, the pressure of forming tube 6 can lead to
The automatic adjustment of digital control lifting device 8 is crossed, with the increase of plate thickness, pressure increases automatically.
A kind of production technology of calcium silicate board with microporous, includes the following steps:The diatomite of formula ratio, lime stone, silica flour, wood is fine
Dimension, water and optionally pigment be sufficiently mixed, production technology, demoulding, steam press maintenance and the drying of above-mentioned calcium silicate board with microporous slab, obtain silicon
Calcium plate.