CN108505402A - Production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab - Google Patents

Production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab Download PDF

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Publication number
CN108505402A
CN108505402A CN201810310077.7A CN201810310077A CN108505402A CN 108505402 A CN108505402 A CN 108505402A CN 201810310077 A CN201810310077 A CN 201810310077A CN 108505402 A CN108505402 A CN 108505402A
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CN
China
Prior art keywords
calcium silicate
microporous
silicate board
preferably
pre
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CN201810310077.7A
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Chinese (zh)
Inventor
胡建农
郑水林
孙志明
覃守丰
张玉忠
李明哲
Original Assignee
胡建农
中国矿业大学(北京)
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Application filed by 胡建农, 中国矿业大学(北京) filed Critical 胡建农
Priority to CN201810310077.7A priority Critical patent/CN108505402A/en
Publication of CN108505402A publication Critical patent/CN108505402A/en

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    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21HPULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
    • D21H13/00Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
    • D21H13/36Inorganic fibres or flakes
    • D21H13/38Inorganic fibres or flakes siliceous
    • DTEXTILES; PAPER
    • D21PAPER-MAKING; PRODUCTION OF CELLULOSE
    • D21JFIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
    • D21J5/00Manufacture of hollow articles by transferring sheets, produced from fibres suspensions or papier-mâché by suction on wire-net moulds, to couch-moulds

Abstract

The invention belongs to the production technical fields of calcium silicate board with microporous, are related to production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab.The production technology of the calcium silicate board with microporous slab, including:More set charging gears are equipped in the top of pre-shaping device, it is cover in charging gear equipped with the slurry including at least two kinds of coloured pigments more;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 adhered under the action of pre-shaping device on feeding blanket;Material bed on feeding blanket moves under the drive of transmission mechanism to forming tube direction, via the material bed superimposions in the motion process of more set charging gears conveyings, then winds compression moulding by forming tube, formation calcium silicate board with microporous slab after dehydration.The present invention can alleviate the problem of large scale, ultra-thin, super thick and/or coloury calcium silicate board with microporous cannot be produced existing for traditional handicraft.

Description

Production technology, process units, the production technology of calcium silicate board with microporous and the silicon of calcium silicate board with microporous slab Calcium plate

Technical field

The invention belongs to the production technical field of calcium silicate board with microporous, in particular to a kind of production technology of calcium silicate board with microporous slab, Process units, the production technology of calcium silicate board with microporous and calcium silicate board with microporous.

Background technology

It is main former with calcareous materials such as the silicoides such as diatomite and silica flour, paper fiber or mineral fibres and lime Material, using the calcium silicate board with microporous of molding and the technique productions such as steam press maintenance, because its unique porous structure, good chemical stability and Lower thermal coefficient has the function of excellent damping, absorption toxic and harmful gas and heat-insulation and heat-preservation, sound insulation and fire prevention etc., And service life overlength, it is a kind of environmentally friendly nonmetallic mineral material.Calcium silicate board with microporous is as the novel green of function admirable Color environment-friendly building materials are widely used in building heat preserving and indoor decorating, such as can be widely applied to high-rise and public The fields such as fire-proof partition plate, ceiling board, air duct, the partition panel of various ships and the fire resistant doorsets of building.

The production technology of calcium silicate board with microporous includes the processes such as dispensing, slurrying, plate blank molding, steam press maintenance, drying and polishing, wherein Plate blank molding is one of critical process, it is not only related to the size and flatness of calcium silicate board with microporous, but also is related to calcium silicate board with microporous Density, structure and composition and floral designs etc..Existing silico-calcium board production technology, which is mainly copied, follows the example of and slurry flowing process.Wherein, it copies It follows the example of and material is taken to screen cloth surface when being rotated generally by several (being usually 2-4) round net cages in tandem, then On continuous laying to felt band, it is blank that material, which reaches after certain thickness,.Hatschek process equipment relative maturity, but interval The loss of operation, material is more relatively large, low production efficiency, and product quality stability is poor.Slurry flowing process is usually mainly changed to Base technique, slurry is directly routed to material on felt band by feed box, then by being dehydrated into base.Slurry flowing process is followed the example of with copying Less compared to material loss, equipment is relatively easy, is easy to control, it is easily operated the features such as.

However, the blank plate surface evenness that traditional slurry flowing process obtains is poor, the board dimension produced is limited;Due to base Slurry moisture content is high before sheet metal forming, can only roll up a layered material every time, can neither produce large scale, smooth 1-2mm calcium silicates thin plates With the calcium silicates slab of 20mm or more;The colourful colored calcium silicate board with microporous of floral designs can not be produced (can only one face of production list The plank of color).

Therefore, it is necessary to study develop it is a kind of can meet efficient stable production the needs of, can also meet consumer couple The silico-calcium board production technology for the demand that calcium silicate board with microporous plate functional (dimensional) and colour image are continuously improved.

In consideration of it, special propose the present invention.

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.

Description of the drawings

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art are briefly described, it should be apparent that, in being described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, other drawings may also be obtained based on these drawings.

Fig. 1 is the flow diagram of the production technology for the calcium silicate board with microporous slab that one embodiment of the present invention provides.

Icon:1- charging gears;101- charging baskets;102- feed pumps;103- cloth tubes;2- pre-shaping devices; 201- is by material strip;202- vacuum dehydrations mechanism;The preforming cylinders of 203-;204- extrusion roll shafts;205- wiper mechanisms;3- is sent Expect blanket;4- drive roller shafts;5- dehydration devices;6- forming tubes;7- is molded roll shaft;8- digital control lifting devices.

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.

Embodiment 1

A kind of production technology of calcium silicate board with microporous, includes the following steps:

30 parts by weight diatomite, 40 parts by weight lime, 20 parts by weight silica flours, 10 parts by weight wood-fibreds are mixed, are added The water of 120 parts by weight, which is stirred, to be sufficiently mixed, and prepared slurry is obtained;

Prepared slurry is evenly supplied to material feeding through cloth tube by feed pump by charging basket and takes, and opens a small amount of cloth tube So that being formed suitable in advance at plate thickness on preforming cylinder, the slurry that material feeding takes is under drive roller shaft drive, to preforming Cylinder direction moves, and removes most of water, preformed cylinder and extrusion roll shaft in motion process under the action of vacuum dehydration mechanism After extruding, dewatered wet stock under viscous force and vacuum action because being adhered on feeding blanket;Again scroll pressure 2 is folded through forming tube Layer forms calcium silicate board with microporous slab after dehydration;

By above-mentioned slab, demoulding conserves 18 hours under the conditions of 180 DEG C, 1.0Mpa, then at 100 DEG C of drying 40min removals Moisture is to get calcium silicate board with microporous.

The calcium silicate board with microporous is the thin plate of 2mm, density 0.8g/cm3, the moisture content 35%~37% of slab, size 1.25 ×2.45m。

Embodiment 2

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 35 parts by weight lime, 25 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 120 parts by weight, which is stirred, to be sufficiently mixed, and prepared slurry is obtained;

Prepared slurry is evenly supplied to material feeding through cloth tube by feed pump by charging basket and takes, and opens medium cloth tube So that being formed suitable in advance at plate thickness on preforming cylinder, the slurry that material feeding takes is under drive roller shaft drive, to preforming Cylinder direction moves, and removes most of water, preformed cylinder and extrusion roll shaft in motion process under the action of vacuum dehydration mechanism After extruding, dewatered wet stock under viscous force and vacuum action because being adhered on feeding blanket;Again scroll pressure 10 is folded through forming tube Layer forms calcium silicate board with microporous slab after dehydration;

By above-mentioned slab, demoulding conserves 18 hours under the conditions of 180 DEG C, 1.0Mpa, then at 100 DEG C of drying 40min removals Moisture is to get calcium silicate board with microporous.

The calcium silicate board with microporous is the plate of 15mm intermediate gauges, density 0.9g/cm3, the moisture content 33%~35% of slab, size For 1.25 × 2.45m.

Embodiment 3

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 45 parts by weight lime, 15 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 120 parts by weight, which is stirred, to be sufficiently mixed, and prepared slurry is obtained;

Prepared slurry is evenly supplied to material feeding through cloth tube by feed pump by charging basket and takes, and opens whole cloth tubes So that being formed thicker pre- at plate thickness on preforming cylinder, the slurry that material feeding takes is under drive roller shaft drive, to preforming Cylinder direction moves, and removes most of water, preformed cylinder and extrusion roll shaft in motion process under the action of vacuum dehydration mechanism After extruding, dewatered wet stock under viscous force and vacuum action because being adhered on feeding blanket;Again scroll pressure 20 is folded through forming tube Layer forms calcium silicate board with microporous slab after dehydration;

By above-mentioned slab, demoulding conserves 18 hours under the conditions of 180 DEG C, 1.0Mpa, then at 100 DEG C of drying 40min removals Moisture is to get calcium silicate board with microporous.

The calcium silicate board with microporous is the slab of 30mm, density 1.0g/cm3, the moisture content 30%~33% of slab, size is 1.25×2.45m。

Embodiment 4

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 35 parts by weight lime, 25 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 110 parts by weight, which is stirred, to be sufficiently mixed, and the material mixed is pumped into three charging baskets, and add respectively into three charging baskets Enter red, yellow, three kinds of pigment of tangerine, and cloth tube is squeezed by feed pump respectively, lead on three different preforming cylinders, opens suitable When cloth tube so that forming three kinds of suitable in advance at plate thickness, to be formed on final three preforming cylinders colors on preforming cylinder The pre- folded winding up roller pressure through forming tube again at plate, interpenetrate fusion between pigment, form sunset clouds color calcium silicate board with microporous slab after dehydration;

Remaining obtains sunset clouds color calcium silicate board with microporous with embodiment 1.

The density of the sunset clouds color calcium silicate board with microporous is 0.8g/cm3, the moisture content 28%~32% of slab, size be 1.25 × 2.45m or 1.25 × 3.50m.

Embodiment 5

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 35 parts by weight lime, 25 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 110 parts by weight, which is stirred, to be sufficiently mixed, and the material mixed is pumped into five charging baskets, and add respectively into five charging baskets Enter red, orange, yellow, green, purple five kinds of pigment, and cloth tube squeezed by feed pump respectively, leads on five different preforming cylinders, Appropriate cloth tube is opened so that forming suitable in advance at plate thickness, being formed on final five preforming cylinders five on preforming cylinder The pre- folded winding up roller pressure through forming tube again at plate of kind of color interpenetrates fusion between pigment, forms gorgeous autumn scenery silicon after dehydration Calcium plate slab;

Remaining obtains gorgeous autumn scenery calcium silicate board with microporous with embodiment 1.

The density of the gorgeous autumn scenery calcium silicate board with microporous is 0.8g/cm3, the moisture content 28%~32% of slab, size be 1.25 × 2.45m or 1.25 × 3.50m.

Embodiment 6

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 35 parts by weight lime, 25 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 110 parts by weight, which is stirred, to be sufficiently mixed, and the material mixed is pumped into two charging baskets, and add respectively into two charging baskets Enter blue and purple two kinds of pigment, and cloth tube is squeezed by feed pump respectively, lead on two different preforming cylinders, it is appropriate to open Cloth tube is so that form two kinds of suitable in advance at plate thickness, to be formed on final two preforming cylinders colors on preforming cylinder The folded winding up roller pressure through forming tube again at plate in advance interpenetrates fusion between pigment, forms sky blue calcium silicate board with microporous slab after dehydration;

Remaining obtains sky blue calcium silicate board with microporous with embodiment 1.

The density of the sky blue calcium silicate board with microporous is 0.8g/cm3, the moisture content 28%~32% of slab, size be 1.25 × 2.45m or 1.25 × 3.50m.

Embodiment 7

A kind of production technology of calcium silicate board with microporous, includes the following steps:

35 parts by weight diatomite, 35 parts by weight lime, 25 parts by weight silica flours, 5 parts by weight wood-fibreds are mixed, are added The water of 110 parts by weight, which is stirred, to be sufficiently mixed, and the material mixed is pumped into seven charging baskets, and add respectively into seven charging baskets Enter red, orange, yellow, green, green, blue, purple seven kinds of pigment, and cloth tube is squeezed by feed pump respectively, lead to seven it is different it is pre- at On type tube, open appropriate cloth tube so that formed on preforming cylinder it is suitable in advance at plate thickness, on final seven preforming cylinders The pre- folded winding up roller pressure through forming tube again at plate of the seven kinds of colors formed interpenetrates fusion between pigment, seven is formed after dehydration Colored calcium silicate board with microporous slab;

Remaining obtains seven colored calcium silicate board with microporous with embodiment 1.

The density of the seven colored calcium silicate board with microporous is 0.8g/cm3, the moisture content 28%~32% of slab, size be 1.25 × 2.45m or 1.25 × 3.50m.

Finally it should be noted that:The above embodiments are only used to illustrate the technical solution of the present invention., rather than its limitations;To the greatest extent Present invention has been described in detail with reference to the aforementioned embodiments for pipe, it will be understood by those of ordinary skill in the art that:Its according to So can with technical scheme described in the above embodiments is modified, either to which part or all technical features into Row equivalent replacement;And these modifications or replacements, various embodiments of the present invention technology that it does not separate the essence of the corresponding technical solution The range of scheme.

Claims (10)

1. a kind of production technology of calcium silicate board with microporous slab, which is characterized in that be equipped in the top of pre-shaping device spaced apart more Charging gear is covered, it is cover in charging gear equipped with the slurry including at least two kinds of coloured pigments more;
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 pre-shaping device It is adhered under effect on feeding blanket;
Material bed on feeding blanket moves under the drive of transmission mechanism to forming tube direction, via more set charging gears conveyings The material bed superimposion in the motion process come forms calcium silicate board with microporous then by forming tube winding, compression moulding after dehydration Slab.
2. the production technology of calcium silicate board with microporous slab according to claim 1, which is characterized in that the charging gear includes successively Charging basket, feed pump and the cloth tube of connection, the discharge end of the cloth tube are 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.
3. the production technology of calcium silicate board with microporous slab according to claim 1, which is characterized in that the pre-shaping device include by Material strip, positioned at the vacuum dehydration mechanism by below material strip, with the preforming cylinder of the material feeding band connection and with it is described it is pre- at The matched extrusion roll shaft of type tube;
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, be moved through Remove partial moisture in journey under the action of vacuum dehydration mechanism, dewatered material is in preforming cylinder, extrusion roll shaft and true It is adhered on feeding blanket under sky effect;
Preferably, the pre-shaping device further includes wiper mechanism, and the wiper mechanism is located at the downstream direction of preforming cylinder.
4. according to the production technology of claims 1 to 3 any one of them calcium silicate board with microporous slab, which is characterized in that the feeding blanket Lower section is dehydrated during superimposion using the dehydration device again equipped with dehydration device;
Preferably, the vacuum degree of the dehydration device is 20~50kPa, preferably 30~40kPa, further preferably 40kPa;
Preferably, material water ratio≤35wt% after twice dehydration.
5. the production technology of calcium silicate board with microporous slab according to claim 3, which is characterized in that the preforming cylinder it is a diameter of 80~120mm, preferably 90~110mm, further preferably 100mm;The length of the preforming cylinder is 1400~1800mm, Preferably 1500~1700mm, further preferably 1600mm;
Preferably, the preforming cylinder quantity is multiple, and the quantity phase of the quantity of the preforming cylinder and the charging gear It is corresponding.
6. according to the production technology of claims 1 to 3 any one of them calcium silicate board with microporous slab, which is characterized in that the feeding blanket Width be 1300~1800mm, preferably 1400~1600mm, further preferably 1500mm;The operation speed of the feeding blanket Degree is 70~90m/min, preferably 75~85m/min, further preferably 80m/min.
7. according to the production technology of claims 1 to 3 any one of them calcium silicate board with microporous slab, which is characterized in that the forming tube A diameter of 1300~1800mm, preferably 1400~1600mm, further preferably 1500mm;The length of the forming tube is 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;It is described The pressure of forming tube is 1~3MPa, preferably 1.5~2.5MPa, further preferably 2Mpa;
Preferably, the production technology further include by digital control lifting device adjust the forming tube and be molded roll shaft between away from From.
8. a kind of process units of calcium silicate board with microporous slab, which is characterized in that including cover more charging gear, pre-shaping device, feeding blanket, Transmission mechanism and forming tube;
The charging gear is connect with pre-shaping device, and it is de- that the pre-shaping device is equipped with the vacuum for removing moisture in slurry Water dispenser structure;
The pre-shaping device is connect with feeding blanket, and the feeding blanket is connect with the transmission mechanism and forming tube respectively.
9. a kind of production technology of calcium silicate board with microporous, which is characterized in that include claim 1~7 any one of them calcium silicate board with microporous slab Production technology.
10. a kind of calcium silicate board with microporous, which is characterized in that be prepared using the production technology of the calcium silicate board with microporous described in claim 9.
CN201810310077.7A 2018-04-08 2018-04-08 Production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab CN108505402A (en)

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Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230506A (en) * 1997-02-20 1998-09-02 Chichibu Onoda Cement Corp Manufacture of cement-based plate material
CN1420003A (en) * 2002-09-24 2003-05-28 莱州祥云防火隔热材料有限公司 Method and devcie for making heat-insulation fireproof calcium silicate board
CN2571556Y (en) * 2002-09-24 2003-09-10 莱州祥云防火隔热材料有限公司 Multi-trough slurry suction filtering rolling shaping device for calium silicate thermo-insulation fire-resistant board
CN1494473A (en) * 2001-03-02 2004-05-05 詹姆斯・哈迪研究有限公司 Method and apparatus for forming laminated sheet material by spattering
WO2010146189A1 (en) * 2009-06-15 2010-12-23 Ozono I&D, S.L. Process and plant for forming ceramic tiles, slabs and sheets
CN202727067U (en) * 2012-09-13 2013-02-13 张珣 Mesh belt filtering type movable net cage
CN202727066U (en) * 2012-09-13 2013-02-13 张珣 Slurry flowing type online movable forming machine
CN108395188A (en) * 2018-04-08 2018-08-14 胡建农 Preparation method, preparation facilities, the preparation method of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab
CN108424103A (en) * 2018-04-08 2018-08-21 胡建农 Production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab

Patent Citations (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH10230506A (en) * 1997-02-20 1998-09-02 Chichibu Onoda Cement Corp Manufacture of cement-based plate material
CN1494473A (en) * 2001-03-02 2004-05-05 詹姆斯・哈迪研究有限公司 Method and apparatus for forming laminated sheet material by spattering
CN1420003A (en) * 2002-09-24 2003-05-28 莱州祥云防火隔热材料有限公司 Method and devcie for making heat-insulation fireproof calcium silicate board
CN2571556Y (en) * 2002-09-24 2003-09-10 莱州祥云防火隔热材料有限公司 Multi-trough slurry suction filtering rolling shaping device for calium silicate thermo-insulation fire-resistant board
WO2010146189A1 (en) * 2009-06-15 2010-12-23 Ozono I&D, S.L. Process and plant for forming ceramic tiles, slabs and sheets
CN202727067U (en) * 2012-09-13 2013-02-13 张珣 Mesh belt filtering type movable net cage
CN202727066U (en) * 2012-09-13 2013-02-13 张珣 Slurry flowing type online movable forming machine
CN108395188A (en) * 2018-04-08 2018-08-14 胡建农 Preparation method, preparation facilities, the preparation method of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab
CN108424103A (en) * 2018-04-08 2018-08-21 胡建农 Production technology, process units, the production technology of calcium silicate board with microporous and the calcium silicate board with microporous of calcium silicate board with microporous slab

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