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30

2021

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09

Introduction of a fiber board with higher strength


At present, wooden furniture or wood products are becoming more and more popular in the market, which leads toFiberboardThe demand is growing. Fiberboard, also known as density board, is a man-made board made of wood fiber or other plant fiber as raw material and made of urea-formaldehyde resin or other applicable adhesives. Adhesives, additives, etc., can be used in the manufacturing process. Fiberboard has many advantages such as uniform material, small difference in vertical and horizontal strength, and not easy to crack. The development of fiberboard production is an effective way to comprehensively utilize wood resources. The existing fiberboard production process arrangement is unreasonable, the process is numerous, the process parameter selection and related collocation is unreasonable, the operator experience requirements are high, resulting in high production costs, product quality and low yield. And most of the marketFiberboardThe quality is uneven, more difficult to meet the needs of the market.

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For the existing technologyFiberboardFor the problem of uneven quality, technicians provide a new type of fiberboard manufacturing method. The manufacturing process of the fiberboard is simple and fast, which can ensure the quality of the fiberboard and meet the needs of the market. In order to achieve the above object, it adopts the following technical scheme. The manufacturing method of this kind of fiber board includes the following four stages.

  1.CoreThe film preparation phase. The chip preparation phase consists of two steps: dicing and chip storage. Slicing refers to the use of conveyor to transport raw materials to the slicer for slicing processing; wood chip storage refers to the classification and storage of the beaten templates, and then quantitative discharge according to process requirements.


  2.Fiber preparation stage. The fiber preparation stage consists of three steps: fiber preparation,Gumming and Sizingand fiber drying. The fiber preparation includes the following steps. The stored wood chips are sent to the hot mill for preheating treatment through a conveyor and a magnetic separator, the preheated wood chips are sent to the hot cooking tank, and the wood chips in the cooking tank are heated and softened with saturated steam. The separation chamber is separated into fibers and the fibers are dried; glue adjustment and sizing include: gluing the dried wood chips according to the measured glue amount; fiber drying includes the following steps: the sized wood chips are sent to a dryer for drying at a drying temperature52-62The drying time is5-10minutes;


  3.Coarse plate preparation stage. The wool board preparation stage includes two steps: inspection and hot pressing. 1. testing: testing the dried fiberboard, passingplcThe control system compares the parameters, and the unqualified fiberboard is sent to the waste bin for crushing. 2. hot pressing: the detected fiberboard is sent to a hot press for hot pressing treatment.


4.Finished plate preparation stage. The preparation phase of the finished plate consists of three steps: cooling, sawing and sanding. Wherein, the cooling includes the following steps: the hot-pressed fiberboard is sent to the double cooler for cooling treatment; The edge sawing includes: the cooled fiberboard is sent to the stacker for stacking treatment, and the excess burrs are removed; The grinding includes: the sawed fiberboard is sent to the sander for grinding treatment, and then the finished fiberboard is obtained.

Compared with the existing technology, the new type.FiberboardIt has the following beneficial effects: through the four-stage processing, the tightness and strength of the fiberboard are improved, the quality of the fiberboard is greatly improved, and the fiberboard has better market development potential and promotion power.

Fiberboard