Vertical compression type biomass composite continuous production system and application method thereof
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A composite material and production system technology, applied in the field of composite materials, can solve the problems of unbalanced mechanical properties, easy water absorption and easy winding of long fiber materials, and achieve the effect of stable quality, excellent performance and uniform composition
Pending Publication Date: 2018-04-24
HUNAN UNIV OF TECH
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Problems solved by technology
[0005] The technical problem to be solved in the present invention is to provide a continuous production system of direct-pressure biomass composite materials for the deficiencies of the existing technologies, which effectively solves the problem that long fiber materials are easy to absorb water in the production process of composite materials after fiber and plastic blending , easy to entangle, it is difficult to achieve uniform and stable transportation, resulting in poor apparent quality of products, unbalanced mechanical properties and other defects, so that the production efficiency of direct pressure biomass composite materials is improved and easy to process
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Embodiment 1
[0044] like figure 1 As shown, the continuous production system of the direct pressure biomass composite material provided in this embodiment,
[0045] It includes a melt film forming device 1, a fiber material conveying device and a melt film forming device 2; the melt film forming device 1 includes a melt film forming machine 1 and a forming roller 12 arranged below the melt film forming machine 1 .
[0046] The fiber material conveying device includes a conveyor 2, a forming roller 2 3 and a forming roller 3 11 arranged sequentially from top to bottom; Pressing the fibrous material and the melting film one; the forming roller two 3 and the forming roller three 11 are rotated in cooperation, which is set to form a second lamination of the fibrous material and the melting film one.
[0047] The conveyor 2 of the present invention is any one of a vacuum conveyor, a screw conveyor, and a press, and a vacuum conveyor is preferred in this embodiment.
[0048] Melting film formi...
Embodiment 2
[0054] The continuous production system of the direct pressure type biomass composite material of this embodiment is the same as that of Embodiment 1, the difference is that the surface of the forming roller 2 3 is a hole structure, see for details image 3 shown.
Embodiment 3
[0056] The using method of the continuous production system using the direct pressure type biomass composite material of embodiment 1 may further comprise the steps:
[0057] S1. Put the polymer material A in the melt film forming machine 1, extrude the polymer material A on the forming roller 12 through melting and plasticizing, at the same time, add the biomass fiber material to the conveyor, and pass through the forming roller The first 12 and the second forming roller 3 are preliminarily pressed together, the first forming roller 12 and the second forming roller 3 are heated to 30~300°C, and the pressed polymer material A and the biomass fiber material 4 are transported to the second forming roller 3 and Forming roll three 11; adjust the pressure and action angle between the forming roll two and the forming roll three, so that the biomass fiber material 4 is completely closely combined with the polymer melt film A5;
[0058] S2. Put the polymer material B in the melt film ...
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Abstract
The invention discloses a vertical compression type biomass composite continuous production system. The vertical compression type biomass composite continuous production system comprises a first molten film forming device and a fiber material conveying device. The first molten film forming device comprises a first molten film forming machine and a first forming roller, wherein the first forming roller is arranged below the first molten film forming machine. The fiber material conveying device comprises a conveyor, a second forming roller and a third forming roller, wherein the conveyor, the second forming roller and the third forming roller are arranged in sequence from top to bottom. A conveying channel is formed by the surface of the first forming roller and the surface of the second forming roller and arranged for preliminarily press-fitting on a fiber material and a first molten film. The second forming roller and the third forming roller rotate in a matched manner and are arrangedfor secondarily press-fitting the fiber material and the first molten film into an integral whole. By means of the vertical compression type biomass composite continuous production system, the problems that long fiber materials generated in the composite production process after fibers and plastic are mixed absorb water easily and are likely to be intertwined, so that uniform and stale conveyingis difficult to achieve, and thus defects that surface quality of products is poor, and mechanical performance is not uniform are caused are effectively solved; and production efficiency of a verticalcompression type biomass composite is improved, and the vertical compression type biomass composite can be easy to process.
Description
technical field [0001] The invention relates to the field of composite materials, in particular to a continuous production system of direct-pressure biomass composite materials and a method for using the same. Background technique [0002] Wood-plastic composites (Wood-Plastic Composites, WPC) is a new type of composite material that has been booming at home and abroad in recent years. It refers to the use of polyethylene, polypropylene and polyvinyl chloride, etc. Wood flour, rice husk, straw and other waste plant biomass fibers are mixed into new wood materials, and then processed by extrusion, molding, injection molding and other plastic processing techniques to produce boards or profiles. Mainly used in building materials, furniture, logistics packaging and other industries. The board formed by hot extrusion after mixing plastic and wood powder in a certain proportion is called extruded wood-plastic composite board. [0003] Biomass composite materials can not only giv...
Claims
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Application Information
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