CN103586973A - Production line and method for manufacturing building decorative sheet - Google Patents

Production line and method for manufacturing building decorative sheet Download PDF

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Publication number
CN103586973A
CN103586973A CN201310552030.9A CN201310552030A CN103586973A CN 103586973 A CN103586973 A CN 103586973A CN 201310552030 A CN201310552030 A CN 201310552030A CN 103586973 A CN103586973 A CN 103586973A
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China
Prior art keywords
sheet material
maintenance
belt
moulding
production
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CN201310552030.9A
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CN103586973B (en
Inventor
潘旭鹏
许嘉
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Baotou Jianqiang Light Board Industry Co ltd
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Individual
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B15/00—General arrangement or layout of plant ; Industrial outlines or plant installations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B28—WORKING CEMENT, CLAY, OR STONE
    • B28B—SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS; SHAPING SLAG; SHAPING MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER
    • B28B3/00—Producing shaped articles from the material by using presses; Presses specially adapted therefor
    • B28B3/12—Producing shaped articles from the material by using presses; Presses specially adapted therefor wherein one or more rollers exert pressure on the material
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04F—FINISHING WORK ON BUILDINGS, e.g. STAIRS, FLOORS
    • E04F13/00—Coverings or linings, e.g. for walls or ceilings
    • E04F13/07—Coverings or linings, e.g. for walls or ceilings composed of covering or lining elements; Sub-structures therefor; Fastening means therefor
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H5/00—Buildings or groups of buildings for industrial or agricultural purposes
    • E04H5/02—Buildings or groups of buildings for industrial purposes, e.g. for power-plants or factories

Abstract

The invention relates to a production line and method for manufacturing a building decorative sheet. The production line comprises a production forming area, a maintenance area and a drying area, wherein the three areas are arranged in a sealed space capable of collecting sunlight and are mutually communicated, the steps of production formation, maintenance and drying of the sheet can be finished in the same sealed space, solar energy is fully utilized, the heat efficiency is improved by 65%-85%, and energy is saved. According to the method for manufacturing the building decorative sheet, the sheet is formed through a conveying belt, glass fibers cover the two surfaces of the sheet, the forming method is simple and rapid, and the compressive strength and flexural strength of the manufactured sheet are high. In addition, the production line is suitable for air hardening sheets, hydraulicity sheets and sheets with both air hardening performance and hydraulicity.

Description

For production line and the facture thereof of making building decorative plates
Technical field
The present invention relates to a kind of method for making the production line of building decorative plates and utilizing this production line making building decorative plates, belong to building material technical field.
Background technology
Along with the needs of urban construction, environmental protection, at present, pouring concrete structure needs template, consumption of natural resource, contaminated environment.Along with the continuous lifting of China's living standard, labor cost also increases thereupon, finds a kind of easy construction, Novel wall structure quick, environmental protection and be the current key technology that solves be badly in need of.And as the sheet material of spliced wall, when the water-fast waterproof of needs, the mode by coating process solves mostly.The patent No. is that 92109412.4 Chinese patent discloses a kind of multi-function sandwich plate, by foamed plastics, glass fabric, ornament materials, formed, this plate is composited by five layer materials, intermediate layer is unicellular foamed plastic cores layer, being close to both sides is net bar layer, by glass fabric, be coated with chloro-magnesium binding and form, outermost is decorative layer.This plate should not be assembled with keel, and waterproof is also realized by coating, and effect is unstable.In the production of some water-resistant material, General Production Lines is divided into manufacturing module, maintenance module and irradiation modules, in manufacturing module, reaction heat is not considered fully to reclaim, utilize, in the next maintenance module of manufacturing module, sheet material is arranged by mechanical piling interlayer again, then heat, maintenance, more mechanical de-stacking again, after placing and drying on drying line, moulding piling again, causes energy waste, production efficiency low.The patent No. is that 200810034552.9 Chinese patent discloses a kind of high-strength building decorative plates material, and this building decorative plates material is combined by cement, silicon ash, silica flour, fine sand, water reducer, steel fibre, polypropylene fibre.Described cement is that strength grade is not less than a kind of of the portland cement of 42.5 grades or Portland cement, silica flour fineness 320 orders, and fine sand 28～45 orders, water reducer is polycarboxylate dehydragent, simultaneously mixing of steel fiber and polypropylene fibre.The complex manufacturing technology of this building decorative plates material, cost is high, is difficult to suitability for industrialized production.
Summary of the invention
The object of the invention is in order to solve above-mentioned technological deficiency, provide a kind of efficient, energy-conservation for making the production line and preparation method thereof of building decorative plates and the building decorative plates of being made by described method, described making building decorative plates can be used for Assembled wall panels, and the technical solution used in the present invention is as follows:
A kind of for making the production line of building decorative plates, described production line comprises production moulding, maintenance and dry three regions, described three region divisions are in the space of the gathered sunlight of an integrally closed and be interconnected, the staged that is described integrally closed space rises and arranges, make described three regions not in same level height, described maintenance and dry section are positioned at top, described production shaping area, described production shaping area is provided with and is produced into molded line, described maintenance and dry section are provided with maintenance drying line, be produced into starting end and the next-door neighbour of raw material supplying portion of molded line, the end of described maintenance drying line is positioned at outside described enclosure space and with sheet material stacking machine structure and is close to, in described integrally closed space, be provided with a plurality of blower fans and many group assisted heating devices, the described end that is produced into molded line is provided with fixed-length cutting machine and palletizing mechanical arm, described integrally closed space top is provided with a plurality of weep holes.By by manufacturing, maintenance and drying line integrally closed be interconnected to be arranged in the space that can gather sunlight and to make described space be staged and rise and arrange, being conducive to hot-air self flows, weep hole can be discharged the moisture in dry run at any time in time, be conducive to the maintenance of described sheet material and be dried, and can make full use of solar energy, save the energy.
In above-mentioned arbitrary scheme, preferably, the height of described enclosure space is less than 1.8m, and width is 1.8-2.2m.
In above-mentioned arbitrary scheme preferably, the top of described sealing space and simultaneously adopt light-passing board or double glazing to seal in the face of sunlight, spacing between described double glazing or plane skylight is not more than 120mm, the heat that utilizes solar energy to produce, can make the temperature in described sealing space reach 65-80 ℃.Can make full use of like this heat that solar energy produces, the temperature that makes to seal in space reaches 65-80 ℃.
In above-mentioned arbitrary scheme preferably, described in be produced into molded line length be greater than 100-150m, described maintenance drying line length is greater than 200-300m.
In above-mentioned arbitrary scheme preferably, the described molded line that is produced into is provided with under moulding belt on belt and moulding, described upper belt is positioned at the top of described lower belt, the slurry of sheet material to be formed is in upper, between lower belt and by described, lower belt is shaped to sheet material, under described moulding, belt is driven by head roll, the frictional force that in described moulding, belt is produced in forming and hardening process by slurry, bonding force drives, under described moulding, belt supports with a plurality of carrying rollers, in described moulding, belt is provided with a plurality of hanging carrier roller, on having formed, the endless-belt conveying device that lower belt band carrying roller supports.
In above-mentioned arbitrary scheme preferably, the belt of the hanging carrier roller bottom of belt and slurry laminating in described moulding, jointly with the slurry synchronous operation of belt support under described moulding, under moulding, for the side of sheet forming and below, in moulding, belt is used for the upper surface of sheet forming to belt.
In above-mentioned arbitrary scheme, preferably, under described moulding, the both sides of belt are respectively provided with a groove gear, and the height of described groove gear is substantially equal to the thickness of sheet material to be formed, and under described two side channel gears and described moulding, belt forms forming tank.Described forming tank is covered slurry for holder, in described sizing material forming process, interval at upper compacted under belt, material reaction can discharge emits a large amount of reaction heat, can promote 15-30 ℃ by space temperature, in integrally closed space, comprise material reaction heat, solar energy utilization and auxiliary thermal source, the complete maintenance in order to described sheet material and dry, fractional energy savings reaches 60-75%.
In above-mentioned arbitrary scheme, preferably, the outside of described two side channel gears is equipped with the vertical groove of anti-stream material.
In above-mentioned arbitrary scheme preferably, under described moulding the starting end of belt be provided with and can lay under the glass roller of glass.
In above-mentioned arbitrary scheme preferably, in described moulding the starting end of belt be provided with and can lay on the glass roller of glass.
In above-mentioned arbitrary scheme preferably, in described moulding, belt is provided with the first epithelium band pressure roller, by the first epithelium band pressure roller and upper belt capable of regulating, treat the thickness of the sheet material of roll-forming, under the described moulding being positioned at below described the first epithelium band pressure roller, belt bottom is provided with pressure-bearing flat board, the center of described the first epithelium band pressure roller in the dull and stereotyped top of pressure-bearing.
In above-mentioned arbitrary scheme, preferably, in described integrally closed space, at the tail position near the upper and lower belt of production moulding, be also provided with fixed-length cutting machine and palletizing mechanical arm.
In above-mentioned arbitrary scheme, preferably, the end of described maintenance drying line is dried piling outlet by sheet material and extends to outside the space of described sealing.
In above-mentioned arbitrary scheme preferably, at the end of described production shaping area and the starting end in described maintenance district, assisted heating device described in being laid with one group, is intensively laid with 2-4 in the position of the dry piling outlet of the described sheet material of described dry section distance 70-120m and organizes described assisted heating device.Add and put assisted heating device, can when solar radiation weak strength, improve the temperature of sealing space inside.
In above-mentioned arbitrary scheme, preferably, at described maintenance dry section, be provided with described blower fan.In integrally closed space, in the more sluggish region of the mobile velocity ratio of hot-air, set up blower fan, can promote the mobile speed of hot-air in integrally closed space.
In above-mentioned arbitrary scheme, preferably, at the tail position of the upper and lower belt of described production moulding, be provided with described blower fan.Set up blower fan, can promote the mobile speed of hot-air in integrally closed space.
In above-mentioned arbitrary scheme preferably, from the dry piling of described sheet material, exporting about 5-30m position, upper and lower surface at sheet forming, set high pressure tuyere in a row, plate surface linearity High Voltage is blown, to help described sheet material to make moisture accelerate separated with described sheet material under set point of temperature state.
In above-mentioned arbitrary scheme preferably, tail position from the upper and lower belt of described production moulding, described integrally closed space top is provided with weep hole, described weep hole is intervally arranged and continues up to the top end of described integrally closed space, described weep hole is different according to the residing humidity regional location in enclosure space, and adopts the weep hole of different-diameter.
In above-mentioned arbitrary scheme, preferably, it is characterized in that, described raw material supplying portion comprises: batch mixer, storage tank and continuous mixer, and described storage tank is communicated with described batch mixer, and described continuous mixer is arranged on the below of described storage tank.
A kind of method of utilizing described production line to make building decorative plates, described method comprises the steps: first step: batching, multiple powder raw material is uniformly mixed to the powder ash forming as mixed powder in proportion, then with blast, through pipeline, described mixed powder is transported to storage tank standby, then, prepare additive, water, described additive sieves and packs and transport to continuous mixer;
Second step: described powder ash, described additive, described water mixed to scale and stirred through continuous mixer, form slurry, making the curing presetting period of slurry be not more than 5-10 minute, final setting time is not more than 30 minutes;
Third step: described slurry is transported on the continuously shaped belt of sheet material of laid glass fiber reticular cloth up and down, through Belt Conveying, roll-forming is sheet material;
The 4th step: the sheet material of described roll-forming is solidified;
The 5th step: the sheet material of the described roll-forming having solidified with fixed-length cutting machine cutting;
The 6th step: utilization can gather and utilize the sealing space of solar energy, in the same area, the sheet material of described roll-forming is carried out to maintenance and dry;
The 7th step: the sheet material to the described roll-forming after cutting carries out the inspection of semifinished product, and the described sheet material of disqualified upon inspection is sorted out to buttress;
The 8th step: mechanical piling, packing.
In above-mentioned arbitrary scheme, preferably, in first step, multiple powder raw material is to be mixed by the batch mixer being communicated with described storage tank.
In above-mentioned arbitrary scheme, preferably, in third step, during plate forming, environment temperature remains on 25-35 ℃, and the presetting period need be not more than 8 minutes, and final setting time need be not more than 30 minutes.
In above-mentioned arbitrary scheme, preferably, when during plate forming, environment temperature surpasses 35 ℃, speed production forming and hardening speed, can regulate by extending or shorten curing presetting period and the final setting time of slurry.
In above-mentioned arbitrary scheme, preferably, when environment temperature surpasses 35 ℃ during plate forming, can add set retarder and regulate.
In above-mentioned arbitrary scheme, preferably, glass fiber reticular cloth rolls expansion by upper and lower two glass fiber reticular cloth roll barrels.
In above-mentioned arbitrary scheme, preferably, described glass fiber reticular cloth is selected middle alkali or alkali-free glass fiber, can improve 3-10 doubly than high-alkali glass tensile strength, and maximum tension disruptive force can reach 1.67KN.
In above-mentioned arbitrary scheme, preferably, described slurry covers by forming belt holder under the moulding that has forming tank.
In above-mentioned arbitrary scheme, preferably, by the first epithelium band pressure roller and upper belt, adjust the thickness of the sheet material of described roll-forming.
In above-mentioned arbitrary scheme, preferably, in the 4th step, making the environment temperature that the sheet material of described roll-forming solidifies is 20-30 ℃.
In above-mentioned arbitrary scheme, preferably, the described slurry presetting period is relevant to production moulding partial-length with final setting time.
In above-mentioned arbitrary scheme preferably, production moulding partial-length is at 100m, maintenance and drying nest total length at 200m in the situation that, the slurry presetting period is not more than 3-8 minute, final setting time is not less than 30 minutes, producing moulding section adds and grows to 150m or shorten slurry initial set and final setting time, can, in the unit interval, improve the speed of production of sheet material.
In above-mentioned arbitrary scheme, preferably, when environment temperature is on the low side, can be laid in the power of assisted heating device described in described production forming area end and described maintenance region starting end one group or several groups by increase and supplies.
In above-mentioned arbitrary scheme, preferably, in the 6th step, described the same area is production moulding, maintenance and dry section, and described production moulding, maintenance and dry section are interconnected described collection in the sealing space that utilizes solar energy.
In above-mentioned arbitrary scheme, preferably, utilize the environment temperature in the described sealing space of solar energy can reach 65-80 ℃.
In above-mentioned arbitrary scheme, preferably, described building decorative plates is water-fast plate, and described water-fast plate is made by powder ash, additive, water.
In above-mentioned arbitrary scheme, preferably, the powder ash of described water-fast plate comprises gypsum, slag powders, 325# cement.
In above-mentioned arbitrary scheme, preferably, the order number of the powder ash of described water-fast plate is greater than 300.
In above-mentioned arbitrary scheme, preferably, described water-fast plate additive is saw foam.
In above-mentioned arbitrary scheme preferably, proportioning and the production environment temperature correlation of described water-fast plate powder ash and described saw foam.
In above-mentioned arbitrary scheme preferably, production environment temperature below 20 ℃ time, gypsum: slag powders: 325# cement: sawdust=10:4:1:0.75.
In above-mentioned arbitrary scheme preferably, production environment temperature in the time of 20-30 ℃, gypsum: slag powders: 325# cement: sawdust=10:4.8:1:0.8.
In above-mentioned arbitrary scheme preferably, production environment temperature in the time of 30-40 ℃, gypsum: slag powders: 325# cement: sawdust=10:5.6:1.2:0.84.
In above-mentioned arbitrary scheme preferably, 40 ℃ when above, gypsum: slag powders: 325# cement: sawdust=10:6:1.5:0.88.
In above-mentioned arbitrary scheme, preferably, the proportioning of described water-fast plate is: powder ash: saw foam: water=50:2.5:36.
In above-mentioned arbitrary scheme preferably, the additive of described water-fast plate is perlite, or polypropylene chopped strand, the fibre length 5-10mm of described polypropylene chopped strand, tension, the rupture strength of goods can be further improved like this, the generation of broken limit phenomenon can be avoided.
In above-mentioned arbitrary scheme, preferably, the additive of described water-fast plate is saw foam and PVA.
In above-mentioned arbitrary scheme, preferably, the proportioning of described water-fast plate is powder ash+70% water+5% saw foam+1.4%PVA.
In above-mentioned arbitrary scheme, preferably, the additive of described water-fast plate is sawdust, PVA and waterproofing agent.
In above-mentioned arbitrary scheme, preferably, the proportioning of described water-fast plate is powder ash+70% water+5% saw foam+1.4%PVA+3% waterproofing agent.
In above-mentioned arbitrary scheme preferably, described building decorative plates be air-setting maintenance sheet material in above-mentioned arbitrary scheme preferably, described sheet material maintenance and when dry, be controlled at >=65-80 of the temperature of described maintenance and dry section ℃ and continue 0.5-4 hour.
In above-mentioned arbitrary scheme, preferably, if when environment temperature is on the low side, can supply by increasing the power of described assisted heating device.
In above-mentioned arbitrary scheme, preferably, utilize the blower fan that is arranged on described production moulding, maintenance dry section to be dried hydrofuge, wind flow is not less than 2000m/h, is not more than 9000m/h.
In above-mentioned arbitrary scheme, preferably, utilize ventilation unit, at interval of within 10-20 minute, once ventilating, hydrofuge, under this state, wind speed flow should be in 8000m/h left and right.
In above-mentioned arbitrary scheme, preferably, weep hole also can adopt the timing automatic hydrofuge of automation; Under this state, wind speed flow should be in 3000m/h left and right.
In above-mentioned arbitrary scheme preferably, utilization be located at from the dry piling outlet of described sheet material 5-30 rice position and at the high pressure tuyere that the upper and lower surface of sheet forming sets in a row, described plate surface linearity High Voltage is blown, to help described sheet material to make moisture accelerate separated with sheet material under set point of temperature state.
In above-mentioned arbitrary scheme, preferably, described building decorative plates is hydraulicity maintenance sheet material.
In above-mentioned arbitrary scheme, preferably, described in maintenance during hydraulicity maintenance sheet material, the temperature of described maintenance and dry section should be not less than 75 ℃, humidity and be 60-75%, continues 8 hours.
In above-mentioned arbitrary scheme preferably, utilization be located at from the dry piling outlet of described sheet material 5-30 rice position and at the high pressure tuyere that the upper and lower surface of sheet forming sets in a row, described plate surface linearity High Voltage is blown, to help described sheet material to make moisture accelerate separated with sheet material under set point of temperature state.
A plate, this is water-fast, and plate is made by above-mentioned building decorative plates preparation method.
In above-mentioned arbitrary scheme, preferably, the compression strength of described water-fast plate is greater than 35Mpa.
In above-mentioned arbitrary scheme preferably, the rupture strength 10-11.4Mpa of described water-fast plate.
In above-mentioned arbitrary scheme preferably, the coefficient of softing > 0.75 of described water-fast plate, drying shrinkage value≤0.24mm/m, unit weight≤1.25t/m.
A maintenance sheet material, described hydraulicity maintenance sheet material is made by the method described in the claims.
Compared with prior art, the present invention has the following advantages: 1, production moulding, maintenance and three region divisions of dry section are in same sealing building integral and described San Ge intra-zone UNICOM, described production moulding, maintenance and drying steps can be completed in same sealing space, independent separately unlike other production technologies in prior art; Building top and in the face of the face of sunlight be plane skylight or glass, can effectively utilize solar energy, the temperature that makes to seal in space reaches 65-80 ℃, this programme can not only make full use of solar energy, can also effectively utilize and stir the reaction heat of link, the reaction heat of plate forming self etc., the hot blast vestibule that solar energy hot-fluid and hot-air connect, directly make not to be dried sheet material and enter in sunlight insulated curing drying area, only in the dry link of maintenance, just can save the heat energy of 60-70%.2, compared with prior art, same production production capacity, the input of having saved drying line equipment, equipment investment cost, the drying program efficiency of also having saved 40-55% improve more than 60%, and place occupancy has also reduced by 70%.3, used belt conveyor sheet forming, and cover glass on the two sides of sheet material, this forming method simple and fast, novel, the resistance to compression and the rupture strength that form sheet material are good, compression strength is greater than 35Mpa, rupture strength 10-11.4Mpa, and, treat in the sizing material forming process of panel, interval at upper compacted under belt, material reaction can discharge emits a large amount of reaction heat, can promote 15-30 ℃ by space temperature, in integrally closed space, comprise material reaction heat, solar energy utilizes and auxiliary thermal source, the complete maintenance in order to described sheet material and dry, fractional energy savings reaches 60-75%.4, the present invention has utilized gypsum and the more stable advantage of slag powders volume size to control the drying shrinkage value of material, utilized the feature of gypsum rapid hardening to meet the efficiency of production, and slag powders belongs to hydraulic material, gypsum belongs to air-setting material, so material has possessed the dual characteristics of the gentle hard material of hydraulic material, be convenient to blanks and moulding and conserving, also make manufactured goods possess the not available resistance to water of gypsum itself, coefficient of softing reaches 0.75-0.9.In sheet material composition, added sawdust, sawdust makes outer material walls more fine and close compact, alleviated like this weight, by the proportion control of sawdust addition, still can obtain good product strength, 4, in the inner slurry of sheet material admixture polypropylene fibre, adjustable according to the difference of fibers content, when chopped strand volume volume is 1.5%, rupture strength can reach 20MPA left and right.
The present invention is applicable to manufacturing of air-setting, hydraulic material sheet material, and economic benefit is more obvious.
Accompanying drawing explanation
Fig. 1 means the view of building decorative plates production line integral layout of the present invention;
Fig. 2 is the lateral plan of Fig. 1;
Fig. 3 means the view of grooved leather belt roller pressing molding device of the present invention;
Fig. 4 means the view of grooved leather belt roller pressing molding device of the present invention;
Fig. 5 is the fabrication processing figure of building decorative plates of the present invention.
Description of reference numerals: 1: belt under moulding; 2: belt in moulding; 3: the first epithelium band pressure rollers; 4A: glass roller; 4B: glass roller; 5: continuous mixer; 6: batch mixer; 7: storage tank; 8: be produced into molded line; 9: maintenance drying line; 10: palletizing mechanical arm; 11: blower fan; 12: assisted heating device; 13: weep hole; 14: sheet material stacking machine structure; 15: thermal current trend; 16: the sensing of technological process; 17: pressure-bearing is dull and stereotyped; 18: groove gear; 19: anti-stream material founds groove
The specific embodiment
Below in conjunction with accompanying drawing, the present invention is described in detail.
Fig. 1 means the view of panel production line integral layout, and Fig. 2 is the lateral plan of Fig. 1.Described panel production line comprises production moulding, maintenance and dry three regions, described three region divisions are in the space of the gathered sunlight of an integrally closed, it is glass sunlight house, by this structure, described production moulding, maintenance and drying steps can be completed in same sealing space.As shown in Figure 2, the staged that is integrally closed space rises and arranges, production shaping area, maintenance and dry section be not in same level height, maintenance and dry section are positioned at top, production shaping area, by enclosure space size is limited, just can utilize the principle of hot air rising to make the temperature in the glass sunlight house of sealing form mobile.Described production shaping area is provided with and is produced into molded line 8, and described maintenance and dry section are provided with maintenance drying line 9.The height of described enclosure space is less than 1.8m, and width is 1.8-2.2m, and the length that is produced into molded line 8 is greater than 100-150m, and the length of maintenance drying line 9 is greater than 200-300m, and production line length is longer, and production capacity is larger.Seal the top of space and in the face of sunlight simultaneously adopts light-passing board or double glazing to seal, make full use of the heat that solar energy produces, can make temperature be increased to 65-80 ℃.The starting end place that the next-door neighbour of raw material supplying portion is produced into molded line 8 arranges.Described raw material supplying portion comprises: batch mixer 6, storage tank 7 and continuous mixer 5 etc., and described storage tank 7 is communicated with described batch mixer 6, and described continuous mixer 5 is arranged on the below of described storage tank 7.
Fig. 3 and Fig. 4 show and form the grooved leather belt roller pressing molding device that is produced into molded line 8, in production shaping area, along being produced into molded line 8, be provided with under moulding belt 2 on belt 1 and moulding, described upper belt 2 is positioned at the top of described lower belt 1, the slurry of sheet material to be formed is in upper, lower belt 2, between 1 and by described, lower belt 2, 1 is shaped to sheet material, under described moulding, belt supports and is driven by head roll with a plurality of carrying rollers, in described moulding, belt 2 is with a plurality of hanging carrier roller, the belt of hanging carrier roller bottom and slurry laminating, the common slurry synchronous operation with 1 support of belt under moulding, under moulding, belt 1 for the side of sheet forming and below, in moulding, belt 2 is for the upper surface of sheet forming.That is to say, in moulding, belt 2 is that frictional force, the bonding force being produced in forming and hardening process by slurry drives, thereby has formed the endless-belt conveying device that upper and lower belt roller supports, i.e. grooved leather belt roller pressing molding device.Wherein in moulding, belt 2 also can produce heat energy, the environment temperature of this favourable raising plate forming with frictional force, bonding force that slurry produces in forming and hardening process.
Under moulding, the both sides of belt 1 are respectively provided with a groove gear 18, and the height of groove gear 18 is substantially equal to the thickness of sheet material to be formed, and the termination of upper moulding belt 2 beginnings is provided with pressure roller, is also provided with belt and hangs roller, a plurality of described belts can be set and hang roller.For convenience of representing, the first epithelium band pressure roller 3 is only shown in Fig. 1, the thickness of the sheet material by roll-forming described in the first epithelium band pressure roller 3 capable of regulatings, in the lower belt bottom being positioned at below the first epithelium band pressure roller, be provided with the center of pressure-bearing flat board 17, the first epithelium band pressure rollers 3 in dull and stereotyped 17 tops of pressure-bearing.The outside of groove gear 18 is provided with belt 1 under vertical groove 19, the two side channel gears 18 of anti-stream material and moulding and forms forming tank, therefore, described belt is also referred to as the vertical groove belt of compacted under, described forming tank is covered slurry for holder, needs load-bearing, so under moulding, a plurality of carrying rollers of belt 1 use support.Under moulding the starting end of belt 1 be provided with and can lay under the glass roller 4B of glass, same, in moulding the starting end of belt 2 be also provided with and can lay on the glass roller 4A of glass, described glass roller is also referred to as glass fiber reticular cloth roll barrel.When above-mentioned belt moulding, the forming surface of upper and lower belt 2,1 can be in the situation that it is equipped with glass fiber material or glass fiber net, in other words the slurry of described sheet material to be formed be in the situation that being coated with up and down glass fiber material or glass fiber net by moulding, but this does not affect frictional force, the bonding force that in moulding, belt 2 is produced in forming and hardening process by slurry and goes to drive.
In integrally closed space, at the tail position of the upper and lower belt of production moulding, can set up blower fan 11, to promote the mobile speed of hot-air in integrally closed space.Certainly, also can consider to set up blower fan in the more sluggish region of the mobile velocity ratio of hot-air, be in order to promote the mobile speed of hot-air in integrally closed space equally.The thermal current that maintenance dry section has been shown in Fig. 1 moves towards 15.
In integrally closed space, producing the end of moulding section and the starting end in maintenance region, be laid with one group or several groups of assisted heating devices 12, the position in arid region apart from the dry piling outlet of sheet material 70-120 rice is intensively laid with 2-4 group assisted heating device 12.
In integrally closed space, near the tail position of the upper and lower belt of production moulding, be also provided with fixed-length cutting machine (not shown go out), palletizing mechanical arm 10 etc.In addition, as shown in Figure 1, at flow process turning, be also provided with a plurality of palletizing mechanical arms 10.
Tail position from the upper and lower belt 2,1 of production moulding, integrally closed space top is provided with weep hole 13, weep hole 13 is intervally arranged and continues up to the top end of integrally closed space, described weep hole is different according to the residing humidity regional location in enclosure space, and adopts the weep hole of different-diameter.
From the dry piling of sheet material, exporting position, 5-30 rice left and right, upper and lower surface at sheet forming, set high pressure tuyere (not shown go out) in a row, plate surface linearity High Voltage is blown, to help sheet material to make moisture accelerate separated with sheet material under set point of temperature state.
The end of maintenance drying line 9 is located at outside integrally closed space, and described end is provided with sheet material stacking machine structure 14.
Embodiment 1:
Below 5 pairs of process for making as the water-fast plate of described building decorative plates are elaborated with reference to the accompanying drawings.In Fig. 1, with mark 16, show the sensing of technological process of the present invention.
Make the primary raw material powder ash of water-fast plate by desulfurated plaster, slag powders, cement composition, wherein the gypsum amount of filling out is larger, mainly rapid hardening characteristic and the lower reason of manufactured goods drying shrinkage value of considering gypsum, drying shrinkage value is a technical data index of the desired most critical of assembled slab-type building structure, determined the principal element whether assembling type buildings structure outward appearance chaps, in current known building cementing material, only have gypsum to possess low drying shrinkage value, so main material is selected gypsum, and in order to keep lower drying shrinkage value, gypsum material accounting should be greater than 50%, but gypsum material itself does not possess water resistance, so in process program, must add other materials, to solve the poor deficiency of gypsum main material water resistance.
Slag powders is a kind of industrial waste that high performance concrete often adds, there is price low, be beneficial to the characteristic of environmental protection, and slag powders have good volume stability and economic serviceability, the ratio of adding slag powders in cement products can reach 20-70%, but, use separately slag powders, or gypsum material and slag powders material mixing use, because gypsum belongs to alkalescence material, and slag powders main material composition is SiO 2, Al 2o 3, Fe 2o 3, the material composition that CaO etc. are more stable, so slag powders and gypsum mix, the activity of slag powders cannot fully be reacted with gypsum after adding water, form more stable material lattice, by great many of experiments, find, it is 12-13 that cement belongs to alkaline matter pH value, slag powders is had to broken wall activation, so select cement as the exciting agent of slag powders, making not possess the slag powders that produces self intensity after the aquation broken wall by cement excites and self forms certain intensity, and cement reacts with slag powders, and dimension stability is better afterwards, and possesses water-proofing performance.Slag powders is mixed aquation microcosmic with gypsum also have certain chemical reaction, but because the two material property is close limited on material property impact, so the reaction between the two can be ignored the impact of performance and not consider, like this, gypsum, slag powders and cement mortar pass through hydration, the present invention utilizes gypsum and the more stable advantage of slag powders volume size to control the drying shrinkage value of material, also utilize the feature of gypsum rapid hardening to meet the efficiency of production, and slag powders belongs to hydraulic material, gypsum belongs to air-setting material, so material has possessed the dual characteristics of the gentle hard material of hydraulic material, just with blanks and moulding and conserving, also make manufactured goods possess the not available resistance to water of gypsum itself, coefficient of softing reaches 0.75-0.9.
In actual application, in order to alleviate manufactured goods weight, considered in production process, to adopt foaming technique to reach the object of weight reduction; Find afterwards by experiment, adopt after foaming technique, although weight can significantly reduce, the intensity of manufactured goods, coefficient of softing indices are all subject to larger impact.So, consider to add again perlite, polyphenyl, three kinds of materials of sawdust carry out weight reduction, wherein sawdust self contains cellulose and lignin, the rupture strength that cellulose can reinforcing material; Lignin is the higher material of relative molecular mass that is difficult to hydrolysis under acid effect, contains various active functional group, as hydroxyl, carbonyl, carboxyl, methyl and side-chain structure in lignin.Hydroxyl exists more in lignin, hydroxyl material has played stable polymerization effect in hydraulic material hydration process, and material workability is strengthened, and has reduced the addition of water, thereby also reached the effect that improves product strength, by XRD and the microscopic observation of SEM pore structure, added the manufactured goods of sawdust, the outer material walls of sawdust is more fine and close compact, so, although weight saving, by the proportion control of sawdust addition, still can obtain good product strength.
The addition of water is also the key point that determines production moulding and product strength, gypsum is the final water yield that only need to account for gypsum total amount 20% in course of reaction, (in actual production process, because of mobility, need, the interpolation water yield is 70-120%, but the water yield add too much can cause goods solidify dry after, goods inside and surface pore and pore are more,) affect product strength and cause coefficient of softing to reduce, in technical solution of the present invention, reducing as far as possible water consumption is also the effective measures that improve product strength and coefficient of softing.
Formal from article construction, the both sides complex fiber material of plate construction can greatly improve the fracture resistance of material, fibrous material is selected kiss-coating glass fiber reticular cloth, the outer kiss-coating of grid cloth can improve the endurance quality of fiberglass gridding cloth, and glass fiber reticular cloth compound tense gets over the both sides of sheet material, anti-folding and the tensile strength of goods are more excellent.Glass fiber reticular cloth is selected middle alkali or alkali-free glass fiber, can improve 3-10 doubly than high-alkali glass tensile strength.
In the raw-material powder ash of goods, can add polypropylene chopped strand, fibre length 5-10mm, can further improve tension, the rupture strength of goods like this, can avoid the generation of broken limit phenomenon.Admixture polypropylene fibre in the inner slurry of sheet material, adjustable according to the difference of fibers content, when chopped strand volume volume is 1.5%, rupture strength can reach 20MPA left and right.
The present invention has carried out experiment contrast to primary raw material powder ash and powder ash with sawdust, water proportioning, and result shows: under specific ambient temperature, described raw meal ash, sawdust will cause intensity, presetting period, the coefficient of softing of water resistant sheet material different from the different proportionings of water.In ambient temperature, be under the experiment condition of 25 ℃, the experiment contrast of primary raw material powder ash proportioning is as follows:
Comparative example 1: gypsum: slag powders: 325# cement=7:3:1, counter-bending power is 0.373KN, presetting period 13min; Comparative example 2: gypsum: slag powders: 325# cement=10:4:1, counter-bending power is 0.391KN, 10min during initial set, by XRD and SEM pore structure microcosmic, show, glue coacervated system hydrated product has improved slurry internal structure, space in slurry is reduced greatly, and, during making, from stirring, expect that the molding of epithelium band is not sticky;
Comparative example 3: gypsum: slag powders: 325# cement=5:4:1, counter-bending power is 0.421KN, presetting period 16min.
Therefore, experimental result finally determines that the best proportioning of primary raw material powder ash is: desulfurated plaster: slag powders: 325# cement=10:4:1.
Experiment contrast about the ratio of mud
Experiment condition: be under the experiment condition of 25 ℃ in ambient temperature
Comparative example 4: powder ash+50% water (accounting for powder ash): there is no mobility, become paste, initial set 5min;
Comparative example 5: powder ash+60% water (accounting for powder ash): mobility slightly, initial set 8min;
Comparative example 6: powder ash+70% water (accounting for powder ash): have mobility, initial set 10min;
Comparative example 7: powder ash+80% water (accounting for powder ash): have mobility, initial set 12min.
Consider the particularity of manufacture craft, the existing mobility of slurry that requirement prepares, meets again molding time 10min left and right, so the ratio of mud is controlled at 0.7-0.8, the best is 0.72.
About laboratory sample, add the contrast of different fillings intensity experiment
Experiment condition: plate thickness 17mm, does not all add glass; At 95 ℃, dry test in three days
Comparative example 8: powder ash+72% water (accounting for powder ash), rupture strength 1.44MPa;
Comparative example 9: powder ash+72% water (accounting for powder ash)+5% saw foam (accounting for powder ash), rupture strength 3.96MPa;
Comparative example 10: powder ash+72% water (accounting for powder ash)+10% saw foam (accounting for powder ash), rupture strength 2.68MPa;
Comparative example 11: powder ash+72% water (accounting for powder ash)+3% saw foam (accounting for powder ash), rupture strength 3.08MPa;
Comparative example 12: powder ash+75% water (accounting for powder ash)+5% perlite (accounting for powder ash), rupture strength 1.97MPa;
Comparative example 13: powder ash+72% water+0.5% short glass fiber, rupture strength 3.8MPa; Shortcoming cost is high and mixed inhomogeneous.
Select by experiment to add 5% saw foam proportioning best.
About laboratory sample, add different glasses or the contrast of net sheet intensity experiment:
Experiment condition: grey by powder: water: saw foam=50:36:2.5 proportioning is made the sheet material that 17mm is thick and tested
Comparative example 14: powder ash+72% water+5% saw foam, adds 2# glass, rupture strength 2.75MPa up and down;
Comparative example 15: powder ash+72% water+5% saw foam, adds 3# glass, rupture strength 9.4MPa up and down;
Comparative example 16: powder ash+72% water+5% saw foam, adds the magnificent glass in Shandong, rupture strength 11.6MPa up and down;
Comparative example 17: powder ash+72% water+5% saw foam, adds Shandong magnificent glass+net sheet, rupture strength 21.8MPa up and down.
Show by experiment: select powder ash+72% water+5% saw foam+add up and down the magnificent glass in Shandong, rupture strength meets building decorative plates requirement (rupture strength >10MPa); Distinguishingly, while requiring rupture strength >20MPa, can increase again the steel fabric sheet of one deck@50 * 50 * 2.
Test experiments contrast about building decorative plates coefficient of softing, moisture content and unit weight
Coefficient of softing
Experiment condition: get the test block that two block sizes are identical (250mm * 100mm) from the thick building decorative plates of same 17mm, one is not soaked, one is carried out test comparison for soaked two hours
Comparative example 18: not soaked: counter-bending power 0.701KN;
Comparative example 19: soaked two hours: counter-bending power 0.641KN.
Therefore, coefficient of softing f=0.641 ÷ 0.701=0.91.
Moisture content and unit weight
Comparative example 20: the building decorative plates 1200mm * 2400mm * 17mm just having made, the 80kg/ that weighs opens, and veneer is 30 ℃ of left and right airings 7 days, and sense organ is that the dry plate 58kg/ that weighs opens; The heavy 22kg/ of airing dehydration in 7 days opens, the heavily about 36kg of every plate water of actual production,
÷ 58 * the 100%=24.1% of 7 days building decorative plates moisture content of airing=(36-22);
Comparative example 21: require 30 ℃ of left and right airings of ambient temperature to weigh for 10 days and measure, now the weight of a dry plate 1200mm * 2400mm * 17mm is about 54kg
Unit weight=54/(1.2 * 2.4 * 0.017)=1103kg/m3;
Comparative example 22: heavily for 70kg/ opens, the heavy 57.8kg/ of this plate of weighing for the 30th day thereafter opens, the piling natural drying test result of month at the wet plate of making a certain day:
Fluid loss is: 70-57.8=12.2kg/ opens,
Moisture content is: (36-12.2) ÷ 57.8 * 100%=41.2%
Unit weight is: 57.8/0.04896=1180kg/m3.
The present invention formulates and provides the proportioning with sawdust as the raw-material powder ash of water-fast plate afterwards by great many of experiments, test, contrast:
Production environment temperature below 20 ℃ time, gypsum: slag powders: 325# cement: sawdust=10:4:1:0.75.
Production environment temperature in the time of 20-30 ℃, gypsum: slag powders: 325# cement: sawdust=10:4.8:1:0.8.
Production environment temperature in the time of 30-40 ℃, gypsum: slag powders: 325# cement: sawdust=10:5.6:1.2:0.84.
When more than 40 ℃, gypsum: slag powders: 325# cement: sawdust=10:6:1.5:0.88.
Under above-mentioned condition, product compression strength > 35MPa, rupture strength > 10-11.4MPa, coefficient of softing > 0.7, drying shrinkage value≤0.24mm/m, unit weight≤1.25t/m.
The method step of the water-fast plate of making of the present invention is as follows:
First step: batching
A, primary raw material is uniformly mixed in proportion, specifically order number is greater than to 300 object powder material gypsum, slag powders, 325# cement, saw foam and mixes in proportion, described ratio is relevant to environment temperature, as mentioned above, by great many of experiments, is drawn:
Production environment temperature below 20 ℃ time, gypsum: slag powders: 325# cement: sawdust=10:4:1:0.75;
Production environment temperature in the time of 20-30 ℃, gypsum: slag powders: 325# cement: sawdust=10:4.8:1:0.8;
Production environment temperature in the time of 30-40 ℃, gypsum: slag powders: 325# cement: sawdust=10:5.6:1.2:0.84.
Production environment temperature when more than 40 ℃, gypsum: slag powders: 325# cement: sawdust=10:6:1.5:0.88.
After as above ratio is mixed, by stirring, make to mix, then it is standby through pipeline, above-mentioned mixed powder (also claiming powder ash) to be transported to storage tank;
B, pack after the saw foam as additive sieves, transport to continuous mixer standby;
C, preparation water.
Second step: metering proportion and being uniformly mixed
Described powder ash, saw foam, water are mixed and stirred through continuous mixer according to the ratio of 50:2.5:36, to form slurry.
Third step: moulding:
Described slurry is transported on the continuously shaped belt of sheet material that has additionally arranged up and down glass fiber reticular cloth, moulding belt both sides are with groove gear 18, groove gear 18 is highly the roughly thickness of the sheet material of described roll-forming, described thickness can carry out trace adjustment as required, through Belt Conveying, before moulding epithelium band is carried, utilize glass cylinder 4A by the glass fiber reticular cloth of upper layer and above slurry, carry out compound, and by treating the thickness of the sheet material of roll-forming described in the first epithelium band pressure roller 3 and upper belt adjustment, then by means of upper belt, the upper surface of the sheet material of described roll-forming is fitted, make to be full of the paste materials that contains glass at upper and lower surface between the vertical groove 18 of belt of compacted under belt and upper belt 2.
Through the sheet material of Belt Conveying and roll-forming, in top and bottom, be formed with and can increase the glass fiber net of anti-folding, compression strength compartment.The glass that the preferred maximum tension disruptive force of described glass is 1.67KN (the magnificent glass in Shandong).
During moulding, environment temperature preferably remains on 25-35 ℃, as low in temperature or need to increase production, maintenance and rate of drying, can suitably improve presetting period and the final setting time of slurry, but the presetting period is not more than 8 minutes, final setting time need be not more than 30 minutes, but also needs to consider the overall trip speed of whole production, maintenance and drying equipment production line.If when during plate forming, environment temperature surpasses 35 ℃, speed production forming and hardening speed, can regulate by extending or shorten curing presetting period and the final setting time of slurry; When environment temperature surpasses 35 ℃ during plate forming, can add set retarder and regulate.
The 4th step: being not less than within the scope of the production moulding length areas of 100-150m, by the length of belt under moulding and upper belt, the sheet material of described roll-forming is solidified in stroke.In this step, the slurry presetting period is relevant to production moulding partial-length with final setting time.
Production moulding partial-length is at 100m, maintenance and drying nest total length at 200m in the situation that, the slurry presetting period is not more than 3-8 minute, final setting time is not less than 30 minutes, producing moulding section adds and grows to 150m or shorten slurry initial set and final setting time, can, in the unit interval, improve the speed of production of sheet material.The plate surface polishing of moulding is level and smooth like this, and presentation quality is better, and maintenance can reach maintenance technology requirement.
When the exposure intensity deficiency of daylight makes environment temperature on the low side, can supply by increasing the power of assisted heating device 12.As previously mentioned, at the production end of moulding section and the starting end in maintenance region, lay one group of assisted heating device 12, when temperature is not enough, can improve the environment temperature in described region by this device.
The 5th step: the sheet material of the described roll-forming having solidified with fixed-length cutting machine cutting, the length that plate cutting becomes to need, for example: 2400mm, 3000mm or longer, then, then in described sheet material being transported between maintenance and drying shed by manipulator.
The 6th step: maintenance and dry, sheet material through roll-forming completes maintenance and dry in the same area, the sheet material of piling up is transported to airtightly heats, circulates, the maintenance of moisturizing and dry section, be controlled at >=65-80 of the temperature of described maintenance and dry section ℃ and continue 0.5-4 hour.
Maintenance and when dry, environment temperature should be not less than 65 ℃, preferably be about 80 ℃, wind flow is not less than 2000m/h, be not more than 9000m/h, why select air quantity flow velocity slower, its reason is whole production moulding, maintenance and being dried in same sealing daylighting building completes, reaction temperature when production sizing material forming solidifies, the thermal current that sunlight is heated and produced, can automatically flow from low to high, namely above-mentioned thermal current can automatically flow to maintenance arid region by the airtight lighting space of producing forming area, thereby independently form air quantity flow velocity, the blower fan 11 arranging in production line is the supplementary means that promote air quantity flow velocity, the equilibrium and the dry hydrofuge that are conducive to heat in this space.
When the exposure intensity deficiency of daylight makes environment temperature on the low side, can supply by increasing the power of assisted heating device 12.As previously mentioned, at the production end of moulding section and the starting end in maintenance region, lay one group of assisted heating device 12, position in arid region from the dry piling outlet of sheet material 70-120 rice is laid with 2-4 group assisted heating device 12, and described device can go to improve the environment temperature in described region where necessary.
When production moulding, maintenance and dry entire length 300m, assisted heating device is concentrated and is laid in arid region from the position of the dry piling outlet 80m of sheet material left and right, when production moulding, maintenance and dry entire length 450m, assisted heating device is concentrated and is laid in arid region from the position of the dry piling outlet 120m of sheet material left and right.
Can pass through the direct hydrofuge of weep hole, in the direct hydrofuge situation of weep hole, need to utilize ventilation unit, at interval of within 10-20 minute, once ventilating, hydrofuge, wherein wind speed flow is about 8000m/h; Also can adopt weep hole self-timing hydrofuge, wherein wind speed flow is about 3000m/h.
During ventilation dewetting, the temperature of described maintenance and dry section should be not less than 75 ℃
As previously mentioned, integrally closed space top is provided with weep hole, and described weep hole is intervally arranged and continues up to the top end of integrally closed space, and the weep hole arranging is like this very beneficial for moisture and discharges.
As previously mentioned, from the dry piling outlet of sheet material position, 5-30 rice left and right, at the upper and lower surface of sheet forming, set high pressure tuyere in a row, plate surface linearity High Voltage is blown, to help sheet material to make moisture accelerate separated with sheet material under set point of temperature state.
Like this, progressively gradation ground reduces the inner moisture content of sheet material, and the inner moisture control of sheet material is below 10%, to reach dry object the most at last.
The 7th step: the sheet material to the described roll-forming after cutting carries out the inspection of semifinished product, and the described sheet material of disqualified upon inspection is sorted out to buttress, enters pending;
The 8th step: mechanical piling, packing.Warehouse-in after the Plate material package sign being up to the standards.
In above-mentioned production forming process, described material is after continuous mixer stirs, can produce reaction heat, when ambient temperature is 25-30 ℃, described reaction heat can make face plate self temperature after moulding reach more than 45-55 ℃, if can effectively utilize this heat energy, add the solar energy of nature, cheapness, at maintenance, the required heat energy that expends of oven dry link, can save 60-70%.Therefore, production line preferred arrangements is being faced in the space of sunlight, more preferably the space that top also simultaneously can daylighting, beneficially, forming at least one side in the described space of sealing and the top in described space, adopt the good double glazing of daylighting or Two-Tier Lighting Board, the spacing of described double glazing or plane skylight is not more than 120mm, in order to reduce or to avoid cold and hot convection current, the space requirement that described spacing forms seals or application of vacuum, makes production line whole process in closed state.The width of arranging the space of production line is greater than plant width, preferred 1.2-1.5m, the height in described space should be less than 1.8m, the height of the high-order bit of production line should be controlled at below 1.8m, this is mainly to consider that thermal current is in the upper end of enclosure space, the enclosure space too high effective utilization that can affect its interior heat energy of reduction of factory building in other words.When making sheet material, select the less sunlight warm keeping factory building in space, reaction heat and the solar energy of interior sheet material self are used effectively, without additionally utilizing other energy, environment temperature just can reach more than 65-80 ℃, therefore, has not only reduced investment but also reduced production cost.Moreover, at sheet material, manufacture in process just for temperature deposit has been carried out in next step maintenance and oven dry.In the manufacture craft scheme of above-mentioned sheet material, preferably the sheet material of production line is manufactured to district, maintenance district, dry section all seals, is incubated in a relatively narrow and small sunlight factory, take full advantage of the reaction heat of sheet material self, more take full advantage of solar energy, and, after plate forming, the hot blast vestibule that utilizes a hot-fluid and hot-air to connect, directly the good not dry sheet material of moulding piling is transported in sunlight insulated curing drying area, in this environment, also can add auxiliary heat wind apparatus, directly carry out maintenance and dry processing.
And the plate forming of the present embodiment and maintenance process are also applicable to air-setting maintenance sheet material.
Embodiment 2
As different from Example 1, while making water-fast plate, the additive of its raw material also has PVA(polyvinyl alcohol), carried out drawing after great many of experiments water-fast plate experiment comparing result as shown in table 1.
Water-fast plate experiment comparing result
Table 1, test specimens piece: 250 * 250 * 17
Figure BDA0000411067350000181
Note: in table, powder ash is 1 part
By above table 1, learnt, water-fast board raw material optimum ratio is: the upper and lower glass of powder ash+70% water+5% saw foam+1.4%PVA+, and rupture strength 10-12, unit weight 1050-1100, presetting period 8-10min, High anti bending strength, presetting period be short, it is few to increase cost.
Embodiment 3
As different from Example 1, while making water-fast plate, the additive of its raw material also has PVA(polyvinyl alcohol) and waterproofing agent, carried out drawing after great many of experiments water-fast plate experiment comparing result as shown in table 2.
Table 2, the contrast of different proportioning water absorption rate
Figure BDA0000411067350000191
Note: in table, powder ash is 1 part
By above table 2, learnt, with regard to the water proofing property of water-fast plate, the best proportioning of water-fast board raw material is: powder ash+70% water+5% saw foam+1.4%PVA+3% waterproofing agent, at soaked 1 hour, water absorption rate was only 10-15%, and can accumulation of salt in the surface soil good decorating effect.
Embodiment 4
As different from Example 1, utilize described production line to make hydraulicity maintenance sheet material, for example: calcium silicate board.Described hydraulicity maintenance sheet material need to carry out maintenance at wet environment, therefore, hydraulicity maintenance sheet material is in maintenance and when dry, through the sheet material of roll-forming, be transported to and airtightly heat, circulate, the maintenance of moisturizing and dry section, control as being not less than 65-80 ℃, humidity and be not less than 60-75%, lasting 8 hours in temperature.Because the happiness of hydraulicity maintenance sheet material maintenance is moist, in its maintenance processes, do not carry out hydrofuge, at the ending 5-30 rice end that approaches maintenance drying line, concentrate hydrofuge, described concentrated hydrofuge, be utilize be located at from the dry piling outlet of described sheet material 5-30 rice position and at the high pressure tuyere that the upper and lower surface of sheet forming sets in a row, described plate surface linearity High Voltage is blown, to help described sheet material to make moisture accelerate separated with sheet material under set point of temperature state.

Claims (10)

1. one kind for making the production line of building decorative plates, described production line comprises production moulding, maintenance and dry three regions, it is characterized in that, described three region divisions are in the space of the gathered sunlight of an integrally closed and be interconnected, the staged that is described integrally closed space rises and arranges, make described three regions not in same level height, described maintenance and dry section are positioned at top, described production shaping area, described production shaping area is provided with and is produced into molded line (8), described maintenance and dry section are provided with maintenance drying line (9), described starting end and the next-door neighbour of raw material supplying portion who is produced into molded line (8), the end of described maintenance drying line (9) is positioned at outside described enclosure space and with sheet material stacking machine structure (14) and is close to, in described integrally closed space, be provided with a plurality of blower fans (11) and many group assisted heating devices (12), the described end that is produced into molded line (8) is provided with fixed-length cutting machine and palletizing mechanical arm, described integrally closed space top is provided with a plurality of weep holes (13).
2. as claimed in claim 1ly for making the production line of building decorative plates, it is characterized in that, the height of described enclosure space is less than 1.8m, and width is 1.8-2.2m.
3. as claimed in claim 1 or 2 for making the production line of building decorative plates, it is characterized in that, the top of described sealing space and simultaneously adopt light-passing board or double glazing to seal in the face of sunlight, spacing between described double glazing or plane skylight is not more than 120mm, the heat that utilizes solar energy to produce, can make the temperature in described sealing space can reach 65-80 ℃.
4. as claimed in claim 3ly for making the production line of building decorative plates, it is characterized in that, described in be produced into molded line (8) length be greater than 100-150m, described maintenance drying line (9) length is greater than 200-300m.
As described in claim 1 or 4 for making the production line of building decorative plates, it is characterized in that, the described molded line (8) that is produced into is provided with belt (2) in belt under moulding (1) and moulding, described upper belt (2) is positioned at the top of described lower belt (1), the slurry of sheet material to be formed is in upper, lower belt (2, 1) between and by described, lower belt (2, 1) be shaped to sheet material, belt under described moulding (1) is driven by head roll, the frictional force that belt in described moulding (2) is produced in forming and hardening process by slurry, bonding force drives, belt under described moulding (1) supports with a plurality of carrying rollers, belt in described moulding (2) is provided with a plurality of hanging carrier roller, on having formed, lower belt (2, 1) the endless-belt conveying device supporting with carrying roller.
6. the utilization method that production line is made building decorative plates as described in one of claim 1-5, is characterized in that, described method comprises the steps:
First step: batching, multiple powder raw material is uniformly mixed to the powder ash forming as mixed powder in proportion, then with blast, through pipeline, described powder ash is transported to storage tank (7) standby, then, prepare additive, water, described additive sieves and packs and transport to continuous mixer (5);
Second step: by described powder ash, described additive, described water mixes to scale and stir through continuous mixer (5), forms slurry, makes the curing presetting period of slurry must be not more than 5-10 minute, final setting time is not more than 30 minutes;
Third step: described slurry is transported to the continuously shaped belt of sheet material (1,2) of laid glass fiber reticular cloth up and down and goes up, through Belt Conveying, roll-forming is sheet material;
The 4th step: the sheet material of described roll-forming is solidified;
The 5th step: the sheet material of the described roll-forming having solidified with fixed-length cutting machine cutting;
The 6th step: utilization can gather and utilize the sealing space of solar energy, in the same area, the sheet material of described roll-forming is carried out to maintenance and dry;
The 7th step: the sheet material to the described roll-forming after cutting carries out the inspection of semifinished product, and the described sheet material of disqualified upon inspection is sorted out to buttress;
The 8th step: mechanical piling, packing.
7. a water-fast plate, is characterized in that, described water-fast plate is made by the method described in the claims 6.
8. water-fast plate as claimed in claim 7, is characterized in that, the compression strength of described water-fast plate is greater than 35 Mpa.
9. an air-setting maintenance sheet material, is characterized in that, described air-setting maintenance sheet material is made by the method one of the claims 1-8 Suo Shu.
10. a hydraulicity maintenance sheet material, is characterized in that, described hydraulicity maintenance sheet material is made by the method one of the claims 1-8 Suo Shu.
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CN102776995A (en) * 2012-07-27 2012-11-14 嘉兴博隆铝装饰板有限公司 Suspended ceiling blank automatic production line
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CN102776995A (en) * 2012-07-27 2012-11-14 嘉兴博隆铝装饰板有限公司 Suspended ceiling blank automatic production line
CN105014783A (en) * 2015-07-21 2015-11-04 绵阳弘福科技有限公司 Full-automatic wallboard machine
CN105522652A (en) * 2016-01-08 2016-04-27 泰山石膏股份有限公司 Automatic production line for perforated decorating gypsum plates for sound absorption
CN106145850A (en) * 2016-07-01 2016-11-23 潘旭鹏 A kind of building board, production line and preparation method thereof
CN106145836A (en) * 2016-07-01 2016-11-23 潘旭鹏 A kind of composite building material and application thereof
WO2018178755A1 (en) * 2017-03-31 2018-10-04 Gaddam Vamsi Krishna Eco-friendly energy generating roofs
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CN107839062A (en) * 2017-11-06 2018-03-27 湘潭炜达机电制造有限公司 A kind of cement base wall decorating veneer automatic assembly line
CN109336522A (en) * 2018-12-24 2019-02-15 江苏亚邦新材股份有限公司 A kind of preparation method of resistance to ultrahigh-temperature insulation board
CN113442268A (en) * 2021-06-17 2021-09-28 长春市建林教育咨询有限公司 Production line and application of double-sided fiber mesh cement board

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