Papermaking felt heat treatment equipment and production process of special papermaking felt for packaging paper
A technology for heat treatment equipment and paper-making felts, which is applied in papermaking, paper machines, textiles, and papermaking, and can solve problems such as uneven heating of papermaking felts and poor heat treatment effects, and achieve improved heat treatment efficiency and quality, fast heating speed, and uniform temperature Effect
Active Publication Date: 2021-12-31
上海金熊造纸网毯有限公司
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Problems solved by technology
[0006] The object of the present invention is to provide a kind of heat treatment equipment for papermaking felts and a special production process for papermaking felts for wrapping paper, so as to solve the problem of uneven heating of each position of the papermaking felts during the heat treatment of the existing papermaking felts heat treatment equipment in the above background technology, resulting in poor heat treatment effect The problem
Method used
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[0038] Such as Figure 1 to Figure 2 As shown, a papermaking felt heat treatment equipment includes a box body 1, a plurality of heating rollers 2 are installed in rotation in the box body 1, hollow shafts 4 are fixedly installed at both ends of the heating rollers 2, and the heating rollers 2 is rotatably connected with the box body 1 through the hollow shaft 4, and the heat conduction roller 9 is fixedly installed in the heat conduction roller 2, and the heat conduction roller 9 is filled with a heat conduction medium, and the heat conduction medium is preferably an oil substance, and the heat conduction roller 9 The two ends are respectively arranged inside the two hollow shafts 4, and both ends of the hollow shaft 4 are provided with a heating mechanism, and the heating mechanism heats the heat conduction roller 9 through electromagnetic induction, and the heat conduction roller 9 transfers heat to the Heating roller 2, during heat treatment, belt-shaped papermaking felt 1...
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The invention discloses papermaking felt heat treatment equipment and a production process of a special papermaking felt for packaging paper. The papermaking felt heat treatment equipment comprises a box body; a plurality of heating rollers are rotationally installed in the box body; hollow shafts are fixedly installed at the two ends of each heating roller; and the heating rollers are rotationally connected with the box body through the hollow shafts. A heat-conducting medium is heated through heat-conducting rollers, and then the heating rollers are heated through the heat-conducting medium; the strip-shaped papermaking felt is wound around the multiple heating rollers in sequence during heat treatment, the strip-shaped papermaking felt makes contact with the outer walls of the heating rollers, and therefore the strip-shaped papermaking felt wrapping the heating rollers is subjected to heat treatment; the papermaking felt is shaped through heat treatment; and compared with a mode that an electric heating pipe is used for direct heating, the heating speed of heating is higher when the heating rollers are adopted for contact, and the temperatures of all positions of the heating rollers are relatively uniform under the action of the heat-conducting medium, so that all the positions of the papermaking felt are heated more evenly, and the heat treatment efficiency and quality are improved.
Description
technical field [0001] The invention relates to the technical field of papermaking felt processing, in particular to a papermaking felt heat treatment equipment and a special papermaking felt production process for wrapping paper. Background technique [0002] Papermaking felts refer to fabric felts used for paper forming and conveying in the papermaking industry. According to the position on the paper machine, it can be divided into wet felt, upper felt and dry felt. The processing method of the papermaking felt is to first use synthetic fibers to make a base cloth with thick and thin cloth eyes, and then spread the mixed fibers of synthetic fibers and a small amount of wool. Netting, needle punched, chemically treated, resin finished and heat set. [0003] Chinese invention patent CN103017525A discloses a heat setting furnace for papermaking felts, which includes a furnace body frame, a plurality of heating tube holders and a plurality of heating tubes, the furnace body f...
Claims
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IPC IPC(8): D06C7/02D21F7/08
CPCD06C7/02D21F7/08
Inventor 周兴富谢宗国周骏李杰吴强向龙
Owner 上海金熊造纸网毯有限公司