Deckle edge pulp-scraping separating device

Abstract

The invention relates to a deckle edge pulp-scraping separating device. A blanket operation portion arranged on a paper-making technology section carries out edge cutting processing on a paper web running in the technology section. The device comprises two pulp-scraping wheels which are arranged on a transmission side and an operation side respectively, the contact portions between the pulp-scraping wheels and a blanket of the blanket operation portion are arranged at the positions of squirt cutting lines of cut edges of the paper web, the surfaces of the pulp-scraping wheels are in contact with the blanket, a roller is driven to move through the blanket operation portion, edges, on the blanket, of the paper web are transferred to the pulp-scraping wheels, and the edges of the paper web are cut through the pulp-scraping wheels. Compared with the prior art, the device can obviously reduce steam consumption, reduces the problem that paper pulp is stuck to the roller, improves appearance quality of primary rolling of the paper web rolled by a paper machine, and reduces or avoids the phenomena that during secondary rolling, end faces clamp paper edges and the paper is scrambled.

Description

technical field [0001] The invention relates to a papermaking equipment, in particular to a paper edge peeling and separating device. Background technique [0002] Due to the special short inclined wire forming principle of the domestic Aijian paper machine, when the paper web is formed on the polyester wire, the width of the wet paper at this time is the same as the designed width of the headbox, and both sides are rough edges, and the forming wire part There are two cutting edge water needles to cut the paper web into the width required for production, and then transfer it to the felt through the vacuum suction box. At this time, the two cutting edges are also transferred to the felt, and then transferred through the vacuum press roller On the surface of the drying cylinder, after drying, creping, until coiling, the primary roll of base paper is produced. [0003] At this time, because the trimmed edge of the water needle is brought to the surface of the drying cylinder t...

AI Technical Summary

Problems solved by technology

[0004] 1. The width of the wet paper web being dried on the surface of the drying cylinder is large, and there are two extra cut edges to be dried, resulting in high energy consumption of steam in production, and an extra consumption of about 0.5 tons of steam per day

[0005] 2. The pulp is seriously wound around the roll, polluting both sides of the felt, which will cause damage to the felt, shorten the service life of the felt, and directly increase the manufacturing cost;

[0006] 2. Since the trimmed paper web is separated from the paper at the creping section of the dryer, and the paper is decoiled at the coiling section, the trimmed edge falls from the creping scraper, and sometimes the trimmed edge will be brought into the coiling together It will lead to burrs on the end face of the initial roll at the take-up part, which will cause the end face to be easily jammed or chaotic during rewinding, directly increasing the loss of rewinding

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