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Improved manufacturing method of building composite plates

A manufacturing method and technology of composite boards, which are applied in the field of building materials, can solve the problems of composite boards being susceptible to moisture, manufacturing costs, long drying time of composite boards, and high energy consumption, and achieve the effects of reducing costs, preventing bubbling, and improving bonding strength

Inactive Publication Date: 2016-07-13
王莎莎
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide an improved manufacturing method of composite boards for construction, to solve the problems of long drying time, low efficiency, high energy consumption, and problems in the use of composite boards in the prior art Susceptibility to moisture and technical problems with high manufacturing costs

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0021] This embodiment provides an improved manufacturing method of a composite panel for construction, comprising the following steps:

[0022] Step 1: Dehydrate the mulberry bark and pulverize to obtain mulberry fiber, degrease the mulberry fiber, rinse and filter with water, dry at 80 degrees Celsius, then disperse heavy calcium carbonate and gypsum into the adhesive, and mix with The dried mulberry fibers are mixed evenly, hot-pressed at 150°C for 10 minutes under a pressure of 10 MPa, and kept under pressure until the plate is cooled, to make a plate with a thickness of 5 mm, which is defined as an intermediate veneer;

[0023] Step 2: Make poplar veneer and fir veneer with a thickness of 5 mm respectively from poplar and fir, and both adopt outdoor drying method to control the moisture content to 20%;

[0024] Step 3: Apply adhesive to the middle veneer by dipping, spray carbon powder on the middle veneer after sizing, and then dry it at 60°C for 1 hour; then apply dippi...

Embodiment 2

[0033] This embodiment provides an improved manufacturing method of a composite panel for construction, comprising the following steps:

[0034] Step 1: Dehydrate the mulberry bark and pulverize to obtain mulberry fiber, degrease the mulberry fiber, rinse and filter with water, dry at 80 degrees Celsius, then disperse heavy calcium carbonate and gypsum into the adhesive, and mix with The dried mulberry fiber is mixed evenly, under the pressure of 10Mpa, under the temperature of 150 ℃, hot pressing for 20min, and keep the pressure until the plate is cooled, and make a plate with a thickness of 8 mm, which is defined as the middle veneer;

[0035] Step 2: Make poplar veneer and fir veneer with a thickness of 8 mm respectively from poplar and fir, and use outdoor drying methods to control the moisture content to 50%;

[0036] Step 3: Apply adhesive to the middle veneer by dipping, spray carbon powder on the middle veneer after sizing, and then dry it at 60°C for 1 hour; then appl...

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Abstract

The invention discloses an improved manufacturing method of building composite plates. The method comprises the following steps of: 1, grinding mulberry barks after dehydrating to obtain mulberry fibers, washing with water and filtering after carrying out degreasing treatment on the mulberry fibers, drying at the temperature of 80 DEG C, then dispersing ground calcium carbonate and gypsum into glue adhesives, mixing uniformly with the dried mulberry fibers, performing hot pressing for 10 to 20 minutes at the temperature of 150 DEG C under the pressure of 10Mpa, and keeping the pressure until plates are cooled, manufacturing the plates of specified thicknesses and defining the plates as middle veneers; 2, respectively manufacturing poplars and Chinese firs to poplar veneers and Chinese fir veneers of the specified thicknesses, all using an outdoor air drying method to control the moisture contents of the poplar veneers and the Chinese fir veneers to be 20% to 50%; 3, applying the glue adhesives to the middle veneers by using an a glue dipping method, spraying carbon powder to the middle veneers which are applied with the glue adhesives, and drying for 1 hour at the temperature of 60 DEG C, and then applying the glue adhesives to the middle veneers by using the glue dipping method again. The improved manufacturing method disclosed by the invention reduces the manufacturing cost and enhances the production efficiency.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to an improved manufacturing method of a composite board for building. Background technique [0002] In the manufacturing process of poplar and fir composite boards, the moisture content of poplar veneer and fir veneer is generally controlled below 10% before the board is pressed, so it needs to be dried with drying equipment, and due to the size of the board Larger, requires large drying equipment, low efficiency and high energy consumption. In addition, the composite board is easy to be damp during use, which will cause bad phenomena such as rot and mildew on the board; if the composite board is made of simple poplar and fir, the cost is relatively high. Contents of the invention [0003] The technical problem to be solved by the present invention is to provide an improved manufacturing method of composite boards for construction, to solve the problems of long drying...

Claims

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Application Information

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IPC IPC(8): B27D1/08B32B37/06B32B37/10B32B37/12
CPCB27D1/08B32B37/06B32B37/10B32B37/12
Inventor 王莎莎
Owner 王莎莎
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