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2023

How does the gypsum board production line operate

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The process flow of the gypsum board production line:
1、 Batching section
The materials in the silo are transported through horizontal and vertical conveying equipment, and are delivered to the belt scale through a rigid impeller feeder. Excess materials are sent back to the silo through conveying equipment such as return conveyors and elevators. Raw materials such as building gypsum, modified starch, coagulant, and glass fiber (used in the production of water resistant and fire-resistant gypsum boards) are measured separately and mixed in a spiral mixer before being continuously fed into a vertical mixer.
2、 Forming section
The formed paper is sent to the forming station through a paper storage machine, tensioning device, scoring device, and correction device, and the gypsum slurry flows from the vertical mixer to the formed paper. After passing through the paper storage machine, tensioning device, deviation correction device, and adhesive, the forming paper machine is sent to the forming station. The molding machine is a plate type with adjustable thickness. The forming machine gathers upper paper, lower paper, and gypsum slurry to squeeze and wrap them into a specified thickness of board. The formed gypsum board belt is smoothly transported to the cutting machine by the solidification belt conveyor and conveyor roller to cut according to the set length. Then, it is fed into the Type 1 horizontal conveyor by the acceleration roller conveyor, and then fed into the dryer after being close to the roller conveyor.
3、 Drying section
The gypsum board is sent to each layer of the 12 layer dryer by the bridge distributor according to the procedure. The dryer is divided into two zones. The hot steam is used as the heat source. While the hot air gypsum board moves slowly in the dryer, it continuously exchanges heat with the longitudinal flowing hot air. The board absorbs heat, the temperature rises, and the free water in the board slowly evaporates, but does not damage the water of crystallization of gypsum dihydrate. After the gypsum board is dried by the dryer, it condenses through the condensation section of the dryer, and then orderly exits the board from the dryer through the board extractor.
4、 Edge cutting and stacking section
The gypsum paper from the dryer is transported by a roller conveyor, a type 2 horizontal conveyor, and a laminating machine before being fed into the edge cutting machine to accurately cut to the required size. The finished boards are then transported to the stacking machine for stacking by the finished roller conveyor, and then transported by a forklift to the finished product warehouse for storage.