Method for freezing and concentrating paper-making reconstituted tobacco refined liquid

Abstract

The invention discloses a method for freezing and concentrating paper-making reconstituted tobacco refining liquid. The method includes the steps of taking 1 L of refined liquid obtained by extracting tobacco raw materials, conducting cooling till the temperature is 0-5 DEG C, placing the refined liquid in a freezing and concentrating tank, selecting refrigerant to cool the refined liquid again so as to lower the temperature, starting a stirring device in the freezing and concentrating tank, generating ice crystals on the wall of the tank, making the ice crystals enter the refined liquid through the stirring effect so that the refined liquid can be secondarily nucleated to generate large ice crystals, opening a valve at the bottom of the tank when the ice crystals mature, and placing the mixture in a low-temperature centrifugal machine to be frozen and centrifuged so that concentrated liquor a and ice crystals b can be obtained; secondly, placing the concentrated liquor a in the freezing and concentrating tank to be secondarily concentrated so that concentrated liquor c and ice crystals d can be obtained; thirdly, weighing the ice crystals d, measuring the solid content of the melted ice crystals d and the solid content and the total sugar, reducing sugar and total plant alkaloid content of the concentrated liquor c. By means of the method, a part of solvent in the solution can be separated out in the form of ice crystals, and therefore the aim of concentrating the solution is achieved, and the existing flavor of a product can be well kept.

Description

technical field [0001] The invention belongs to the technical field of reconstituted tobacco leaves, and specifically refers to a method for freezing and concentrating refined liquid of reconstituted tobacco leaves by a papermaking method. Background technique [0002] Reconstituted tobacco leaves are mainly made of tobacco waste materials (such as tobacco powder, tobacco stems, tobacco fragments, etc.) in the process of cigarette processing, and are processed through recombination. After soaking in water, extract and separate the soluble matter from the insoluble matter, and then refine the insoluble matter tobacco fiber, or part of the wood pulp fiber with the outer fiber, to make a substrate; the soluble matter extract is concentrated Afterwards, it is processed by adding ingredients, applied and restored to the substrate, dried and cut to make reconstituted tobacco leaves. [0003] At present, in the production process of reconstituted tobacco leaves by papermaking meth...

AI Technical Summary

Problems solved by technology

[0003] At present, in the production process of reconstituted tobacco leaves by papermaking method, the method of concentrating the refined liquid is mainly the vacuum evaporation method. The existing methods mainly have the following defects: on the one hand, the aroma components in the tobacco extract are lost too much, resulting in high energy consumption and resource loss. Waste and other phenomena; on the other hand, the high evaporation temperature leads to darkening of the concentrated solution and unstable concentration

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