Method for manufacturing tobacco sheet taking substrate as carrier through dry paper making method

Abstract

A method for manufacturing tobacco sheet taking substrate as a carrier through a dry paper making method comprises the following steps: spraying slurry onto the right side of the substrate through a high pressure spraying method, and meanwhile carrying out negative pressure suction across a wire belt to the reverse side of the substrate; then sending the substrate into an oven and carrying out medium temperature baking and humidity discharging under the condition that the temperature of the substrate is 55 DEG to 70 DEG, and enabling hot air inside the oven to flow directional from the right surface of the substrate to the reverse surface of the substrate to carry out humidity discharging; sequentially, carrying out normal temperature humidity discharging treatment; setting medium temperature baking and humidity discharging time and the normal temperature baking and humidity discharging alternatively; and repeating the steps on the reverse side of the substrate, namely a tobacco sheet is prepared. The substrate is prepared by that scattered material is evenly paved and absorbed onto a formation fabric for dry paper making to form a fiber thin layer under the vacuumpumping of a vacuum air pumping device under the formation fabric, and carrying out antistatic-electricity treatment; and spraying adhesion agent onto a fiber thin layer, under the combination of mist spraying and vacuum take-off on sprayed back surface; and finally carrying out drying.

Description

technical field [0001] The invention relates to a tobacco product and its processing technology, in particular to a new technology for manufacturing tobacco sheets with a base sheet manufactured by dry-laid papermaking technology as a carrier. Background technique [0002] Tobacco flakes are also known as reconstituted tobacco, reconstituted tobacco or homogenized tobacco. It is mainly composed of tobacco powder fragments, tobacco stems or low-grade tobacco leaves, plus plant fibers, adhesives and other additives. Reconstituted tobacco leaves have been widely used as cigarette products as raw materials for tobacco products. Sheets made of low-grade tobacco raw materials have the characteristics of low cost, good filling performance, and can reduce the tar content in smoke. The manufacture began in the 1950s. The manufacturing methods mainly include three methods: papermaking method, thick stock method and roller pressing method. Due to the relatively backward technology of...

AI Technical Summary

Problems solved by technology

[0020] The present invention provides a brand-new technological scheme for manufacturing tobacco sheets using substrates prepared by dry-process papermaking as a carrier, which can not only overcome the environmental pollution caused by a large amount of sewage in the production process of traditional paper-making sheet substrates, but also effectively avoid the production of tobacco sheets. There are problems of insufficient structural strength, especially insufficient wet strength, and insufficient tensile strength; and the process of the present invention can also avoid the lack of protection of the paper base in the traditional process during the coating process, which is easy to break, high energy consumption for drying, complex process, and investment Defects such as large scale, a large proportion of smoke powder can be added to the tobacco sheet

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