CN2099771U - Production of leather suitcase carton by using bamboo and grass pulps - Google Patents

Abstract

The utility model relates to a kraft liner board made of the bamboo pulp and the straw pulp. The utility model is mainly used for the corrugated boxes of the export commodities, the equipage and the high-grade commodity packaging. In the utility model, the white bamboo pulp acts as the bottom layer, while the straw pulp acts as the sandwich layer; the main physical property indexes all reach or exceed the national standard. The production opens up a new feed stock pathway for the production of the kraft liner board.

Description

Production of leather suitcase carton by using bamboo and grass pulps

The utility model relates to a kind of kraft liner board of producing with bamboo pulp and straw pulp, belongs to pulp technology for making paper.

The production of kraft liner board, the external whole wood pulp sulfate processes that adopt more, the domestic past is import softwood pulp and the straw pulp production with 40-50% always.Chinese patent communique the 3rd volume discloses the process of a kind of " imine method of using whole bamboo pulp manufacturing kraft box board " (application number 87102581) for No. 50, adopt in its slurrying flow process and sieve earlier the technology of afterwards grinding, the pulping rate is lower, and bamboo timber resource is limited, produces and is limited to.

The purpose of this utility model is to replace the part bamboo with the straw of the wide model in material source, wheat straw, adopts two stage beating, grinds back sieve, mix, three sections logical vapour technologies earlier, produces the kraft liner board that meets GB, with instead of part import cardboard.

A kind of main kraft liner board as exporting, military supplies and high-grade goods corrugated wrapping case is made with Ammonium Sulfite Method or sulfate process with bamboo pulp and straw pulp, it is characterized in that doing face, bottom with bamboo pulp, and rice straw pulp (Straw Pulp) is done sandwich layer (two vermicelli); Or do surface layer with bamboo pulp, straw pulp of rice and wheat is done bottom (single vermicelli).The wet end furnish of bamboo pulp and straw pulp of rice and wheat is 30-80%:20-70%.Bamboo pulp is good with white folder bamboo.

This product is through the test of southwest paper supervisory station of China National Light Industrial Products Department, its Main physical performance indications reach and surpass national standard (GB6544-86) relevant special number and No. 1 leather boxes raw material approach, can be the foreign exchange that country saves a large amount of timber, bamboo and import pulp and cardboard, increase income for the peasant simultaneously.Have good social benefit and economic benefit.

This product can be produced on many nets multi-cylinder board machine, and bamboo pulp is done surface layer (1), bottom (3), rice straw pulp or Straw Pulp and done sandwich layer (2).The concise and to the point technological process of being adopted is as follows:

1. bamboo pulp flow process:

------------------------frame that shakes sieves---side pressure thickener---beater---double plate mill---CX sieve---conical refiner---garden net thickener---face, prime cement stock tank---face prime cement net groove to the horizontal belt vacuum pulp washing machine to hydrabrusher to acroll press washer to jetting storehouse to rotary spherical digester to belt conveyer to bamboo cutter to wave sieve.

2. straw pulp flow process:

Chaffcutter---goat's horn sieve---the spiral top dipping machine---rotary spherical digester---jetting storehouse---acroll press washer---hydrabrusher---horizontal belt vacuum pulp washing machine---frame that shakes sieve---side pressure thickener---double plate mill---CX sieve---desander---garden net thickener---core stock tank---core slurry net groove.

3. copy the paper flow process:

Garden net---four roads give squeezing---one main press---two road straight press---one group of cylinder---two groups of cylinders---3000 millimeters vats of φ---three groups of cylinders---surface size press---four groups of cylinders---five rolling calender---coiling machine---rewinding machine.

Claims (3)

1, a kind of kraft liner board as corrugated case is characterized in that surface layer (1), bottom (3) make with straw oar (wheat straw oar) with bamboo oar, sandwich layer (2); Perhaps surface layer is that bamboo oar, bottom are rice wheat straw oar.

2, cardboard as claimed in claim 1 is characterized in that the wet end furnish of bamboo oar and rice wheat straw oar is 30-80%:20-70%.

3, cardboard as claimed in claim 1 or 2 is characterized in that bamboo pulp is good with white folder bamboo.

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