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CN-116572620-B - Flexibility enhancing method for inorganic composite large plate

CN116572620BCN 116572620 BCN116572620 BCN 116572620BCN-116572620-B

Abstract

The invention discloses a method for enhancing flexibility of an inorganic composite large plate, which comprises the steps of changing pulping components and a plate making process, wherein the pulping components comprise 20%o of composite fibers, 20%o of mesh cloth, 2%o of rubber powder, 2%o of calcium formate, 3%o of cellulose, 3%o of alkali water agent, 2%o of retarder, 1%o of thixotropic enzyme, 50%o of micro glass beads, the balance of gypsum powder and water, setting the water-paste ratio as 70%, adding the micro glass beads, two layers of mesh cloth and 30cm long glass cutting filaments into the product, reducing the volume weight of the product, increasing the structural force of the product, adding proper calcium formate and rubber powder into a raw material formula, increasing the strength and toughness of the product, and setting a plurality of structural ribs at the upper end of the inorganic composite large plate by arranging bandage edges around the inorganic composite large plate, so that the inorganic composite large plate can be subjected to batch processing through the plurality of bandage edges, the whole wall surface can be kept flat, and the structural ribs can form an air layer between the plate and the plate, and the sound insulation effect is increased.

Inventors

  • YU CHANGYONG
  • Zhou Xune
  • HUANG JINGUI
  • XU TAO

Assignees

  • 湖南金凤凰建材家居集成科技有限公司

Dates

Publication Date
20260512
Application Date
20230530

Claims (10)

  1. 1. A method for enhancing flexibility of an inorganic composite large plate is characterized by comprising the steps of changing pulping composition and plate making process; the pulping comprises 20 per mill of composite fiber, 20 per mill of mesh cloth, 2 per mill of rubber powder, 2 per mill of calcium formate, 3 per mill of cellulose, 3 per mill of alkali water agent, 2 per mill of retarder, 1 per mill of thixotropic enzyme, 50 per mill of micro glass beads, and the balance of gypsum powder and water with the water-paste ratio of 70 percent; The plate making process comprises the following steps: step one, pulping, namely dissolving raw materials in water according to a proportion through a feeding system, then adding the raw materials into a stirrer for stirring to prepare slurry, and storing the prepared slurry in a slurry barrel; Step two, forming, namely preparing slurry into a wet plate through a plate making system, flatly laying a layer of grid cloth at the bottom of a die through a cloth laying machine, enabling the periphery of the wet plate to reach edges and angles, controlling the inflow slurry to fill half through the plate making system, sprinkling quantitative 30cm long cut glass filaments through a sprinkling machine to enable the wet plate to be fully adhered with the slurry, controlling the plate making system to pour the slurry into the slurry for the second time to fill the die, covering a layer of grid cloth again to enable the wet plate to be adhered, rolling the wet plate through a rolling rod, and finally solidifying the wet plate; Cutting and rejecting, namely cutting a whole wet plate into small blocks through a cutting and screening system, screening unqualified products, demolding the solidified wet plate, cutting the demolded wet plate, and transferring the cut wet plate to a detection area for inspection; drying, namely drying the wet plate through a drying system, conveying the wet plate which is qualified in inspection into a microwave dryer for drying, and conveying the wet plate out of the microwave dryer after the drying is finished to manufacture a finished composite plate; and fifthly, collecting and storing finished composite boards through a collecting belt and a stacking table with a positioning and aligning device.
  2. 2. The method for enhancing flexibility of inorganic composite large plate according to claim 1, wherein the feeding system comprises various powder storage metering and feeding devices, reinforcing fiber metering and feeding devices, various liquid material storage and feeding devices and premixing machine feeding devices, and can accurately feed various raw materials into the premixing machine for mixing and homogenizing, and then feed the mixed raw materials and water with quantitative proportion into the mixer for mixing.
  3. 3. The method for enhancing flexibility of inorganic composite large plate according to claim 1, wherein the gypsum is calculated according to the required amount of the plate surface, the gypsum is used in the area of the plate surface multiplied by 8, the measurement unit is square meter and kilogram, the water is weighed according to the gypsum mass in proportion, the gypsum is calculated according to the formula of MW=Mg (w/p), MW is water adding amount, the measurement unit is kilogram, mg is the building gypsum mass, the measurement unit is kilogram, and w/p is water-paste ratio.
  4. 4. The method for enhancing flexibility of inorganic composite large plate as claimed in claim 1, wherein the plate making system comprises a cloth paving machine, a material spraying machine, an upper forming belt, a lower forming belt, a special forming machine, a conveying roller way and an edge cleaning device, grouting, solidifying and conveying slurry, cleaning scraped slurry, and arranging a die in the special forming machine.
  5. 5. The method for enhancing flexibility of inorganic composite large plate according to claim 1, wherein the slitting and screening system comprises a follow-up cutter, an acceleration belt for transverse conveying, a wet plate removing belt and a turning plate, the whole wet plate is slit into small blocks required by customers according to different sizes, detection is carried out in the wet plate removing belt area, and unqualified wet plates are removed through the turning plate.
  6. 6. The method for enhancing flexibility of inorganic composite large plate according to claim 1, wherein the drying system comprises a distributor with a closing function, a front acceleration roller way for entering the plate, a longitudinal airflow dryer, a rear acceleration rail for exiting the plate, a rear merging roller way for exiting the plate and a plate exiting machine, and the moisture in the wet plate is discharged to manufacture a finished product.
  7. 7. The inorganic composite large plate structure manufactured by the flexibility enhancing method of the inorganic composite large plate according to any one of claims 1 to 6 is characterized by comprising a composite plate (1), wherein bandage edges (2) are arranged around the composite plate (1), and a plurality of criss-cross structural ribs (3) are fixedly connected inside the composite plate (1), and meanwhile, the inorganic composite large plate structure has a sound insulation function and a certain interval distance.
  8. 8. The inorganic composite large plate structure according to claim 7, wherein the plurality of the structural ribs (3) which are arranged in a crisscross manner are divided into a plurality of transverse ribs and a plurality of vertical ribs according to the arrangement direction, and the transverse ribs and the vertical ribs are mutually perpendicular.
  9. 9. The inorganic composite large plate structure according to claim 7, wherein the plurality of structural ribs (3) are uniformly distributed inside the composite plate (1), the plurality of transverse ribs are parallel to the transverse edges of the composite plate (1), and the plurality of vertical ribs are parallel to the vertical edges of the composite plate (1).
  10. 10. The inorganic composite board structure according to claim 9, wherein the plurality of the structural ribs (3) are three millimeters in height, and the adjacent three structural ribs (3) are different in arrangement direction, are not mutually connected and have a certain interval distance.

Description

Flexibility enhancing method for inorganic composite large plate Technical Field The invention belongs to the technical field of flexibility enhancement of inorganic composite large plates, and particularly relates to a method for enhancing flexibility of an inorganic composite large plate. Background The inorganic composite large plate is also called as a gypsum board without paper, and is mainly used for partition walls and suspended ceilings, and has the advantages of high required strength, high sound insulation coefficient, good fireproof performance, high hardness due to the high strength, reduced flexibility, easy generation of certain deflection deformation in stacking and transportation when the area of the plate is large (about 2.5 square meters), easy restoration of a flat state after deformation, and convenient overall leveling after installation, thus the flexibility is increased, and the existing materials and processes are improved. Disclosure of Invention The invention aims to provide a flexibility enhancing method for an inorganic composite large plate, which aims to solve the problem that when the area of the surface area of the inorganic composite large plate provided in the background art is large, certain deflection deformation is easy to generate in the stacking and transportation processes. In order to achieve the aim, the invention provides the following technical scheme that the method for enhancing the flexibility of the inorganic composite large plate comprises the steps of changing pulping composition and plate making process; The pulping comprises 20 per mill of composite fiber, 20 per mill of mesh cloth, 2 per mill of rubber powder, 2 per mill of calcium formate, 3 per mill of cellulose, 3 per mill of alkali water agent, 2 per mill of retarder, 1 per mill of thixotropic enzyme, 50 per mill of micronized glass beads, and the balance of gypsum powder and water; The plate making process comprises the following steps: step one, pulping, namely dissolving raw materials in water according to a proportion through a feeding system, then adding the raw materials into a stirrer for stirring to prepare slurry, and storing the prepared slurry in a slurry barrel; Step two, forming, namely preparing slurry into a wet plate through a plate making system, flatly laying a layer of grid cloth at the bottom of a die through a cloth laying machine, enabling the periphery of the wet plate to reach edges and angles, controlling the inflow slurry to fill half through the plate making system, sprinkling quantitative 30cm long cut glass filaments through a sprinkling machine to enable the wet plate to be fully adhered with the slurry, controlling the plate making system to pour the slurry into the slurry for the second time to fill the die, covering a layer of grid cloth again to enable the wet plate to be adhered, rolling the wet plate through a rolling rod, and finally solidifying the wet plate; Cutting and rejecting, namely cutting a whole wet plate into small blocks through a cutting and screening system, screening unqualified products, demolding the solidified wet plate, cutting the demolded wet plate, and transferring the cut wet plate to a detection area for inspection; drying, namely drying the wet plate through a drying system, conveying the wet plate which is qualified in inspection into a microwave dryer for drying, and conveying the wet plate out of the microwave dryer after the drying is finished to manufacture a finished composite plate; and fifthly, collecting and storing finished composite boards through a collecting belt and a stacking table with a positioning and aligning device. Preferably, the feeding system consists of various powder storage metering and feeding equipment, reinforcing fiber metering and feeding equipment, various liquid material storage and feeding equipment and premixing machine feeding equipment, and can accurately feed various raw materials into the premixing machine for mixing and homogenizing, and then the mixed raw materials and water with a quantitative proportion are put into the inside of the mixer for stirring. Preferably, the gypsum is used in an amount calculated according to the required amount of the board surface, the amount is the area of the board surface multiplied by 8, the measurement unit is square meter and kilogram, the water is used in an amount calculated according to the formula of mw=mg (w/p) according to the weight of the gypsum, the MW is the water adding amount, the measurement unit is kilogram, the Mg is the weight of the building gypsum, the measurement unit is kilogram, the w/p is the water-paste ratio, and the water-paste ratio is 70%. Preferably, the plate making system consists of a cloth paving machine, a material spraying machine, an upper and lower forming belt, a special forming machine, a conveying roller way, an edge cleaning device and the like, and is used for pouring, solidifying and conveying the slurry and cleaning the