CN-121970917-A - Stripping treatment method and system for tobacco thick paste sheet

CN121970917ACN 121970917 ACN121970917 ACN 121970917ACN-121970917-A

Abstract

The patent discloses a peeling treatment method and a peeling treatment system for a tobacco thick paste sheet, comprising the following steps of modifying the surface of a steel belt, depositing a film coating on the surface of the steel belt, wherein the film coating comprises a fluorocarbon polymer coating or a DLC coating, the thickness of the film coating is 50-100nm, the contact angle of the surface of the steel belt is more than or equal to 120 DEG, the modified steel belt is obtained, the surface energy of the modified steel belt is reduced to below 20mN/m, the tobacco thick paste sheet is solidified on the modified steel belt, the interfacial adhesion force between the tobacco thick paste sheet and the modified steel belt is 0.1-0.3N/cm, a micro airflow array generating module generates airflow which forms an included angle of 10-15 DEG with the movement direction of the modified steel belt, and the flow rate of the airflow is 0.5-1m/s, so that the tobacco thick paste sheet and the modified steel belt are peeled. The non-contact stripping of tobacco thick paste method thin sheet and steel belt is realized through the compound airflow field, and the problems of rough and scratch and the like of stripped materials are completely eradicated.

Inventors

WANG HAO
YAN QUNSHAN
ZHOU XIANGANG
QIU TAO
HUANG LIANFENG
FENG LEI

Assignees

湖北中烟工业有限责任公司
湖北新业烟草薄片开发有限公司

Dates

Publication Date: 20260505
Application Date: 20260319

Claims (10)

1. The peeling treatment method of the tobacco thick paste method slice is characterized by comprising the following steps of: The method comprises the following steps of A, modifying the surface of a steel belt, depositing a film coating on the surface of the steel belt, wherein the film coating comprises a fluorocarbon polymer coating or a DLC coating, the thickness of the film coating is 50-100nm, the contact angle of the surface of the steel belt is more than or equal to 120 degrees, and the surface energy of the modified steel belt is reduced to below 20 mN/m; And B, solidifying the tobacco thick paste sheet on the modified steel belt, wherein the interfacial adhesion force between the tobacco thick paste sheet and the modified steel belt is 0.1-0.3N/cm, generating air flow with an included angle of 10-15 degrees with the moving direction of the modified steel belt by a micro air flow array generating module, and the flow rate of the air flow is 0.5-1m/s so as to strip the tobacco thick paste sheet from the modified steel belt.
2. The method according to claim 1, wherein in the step a, the thin film coating is deposited on the surface of the steel strip by PECVD.
3. The method for peeling a thick tobacco pulp sheet according to claim 2, wherein the deposition temperature for depositing the thin film coating on the surface of the steel strip is 80 to 120 ℃; And depositing the thin film coating on the surface of the steel belt for 30-60 minutes.
4. The method of peeling a sheet according to claim 1, wherein the method further comprises step C; And C, applying 5-10kV direct-current voltage to the stripped tobacco thick paste method sheet, so that the surface of the stripped tobacco thick paste method sheet is provided with the same charge to prevent mutual adhesion.
5. The method for peeling a thick tobacco sheet according to claim 4, wherein the step C further comprises the steps of: and a counter electrode is arranged at the material receiving end so as to guide the tobacco thick paste method sheet to smoothly fall into the material receiving end, and the offset is controlled within 2mm.
6. A peeling treatment system applying the peeling treatment method of a tobacco thick stock sheet according to any one of claims 1 to 5, characterized in that the peeling treatment system comprises a steel strip surface modification module and a micro air flow array generation module; the steel belt surface modification module is used for modifying the surface of the steel belt to obtain the modified steel belt; the modified steel belt can drive the tobacco thick paste method sheet to move towards the direction of the micro air flow array generation module, and the tobacco thick paste method sheet and the modified steel belt are peeled off in the micro air flow array generation module.
7. The strip treatment system of claim 6, wherein the steel strip surface modification module comprises a PECVD apparatus; The micro-air flow array generation module comprises a nozzle; The nozzles are arranged parallel to the modified steel strip, a plurality of nozzles are arranged along the movement direction of the modified steel strip, and the distance between adjacent nozzles is 5-10mm; the aperture of the nozzle is 50-100 mu m.
8. The peel treatment system of claim 7, further comprising an electrostatically aided guidance module; the modified steel belt carries the tobacco thick paste method sheet to move from the micro air flow array generating module to the static auxiliary guiding module; The electrostatic auxiliary guiding module comprises an electrostatic generating electrode and a counter electrode, Arranging the static electricity generation electrode at a position 10-15 mm above the tobacco thick paste method sheet; and the material receiving end at the tail end of the modified steel belt is provided with the counter electrode.
9. The peel treatment system of claim 8, further comprising a cooperative control module and an infrared detection module; The cooperative control module is connected with the infrared detection module and is used for monitoring the peeling state of the tobacco thick paste sheet; the cooperative control module comprises a modified steel belt speed control device, an airflow flow control device and a voltage control device; the modified steel belt speed control device is connected with the modified steel belt; the airflow flow control device is connected with the micro airflow array generating module; the voltage control device is connected with the electrostatic auxiliary guide module.
10. The peel treatment system of claim 9 wherein said cooperative control module further comprises a nozzle angle adjustment device and an airflow pressure adjustment device, The nozzle angle adjusting device is used for adjusting the air flow angle of the nozzle within a range of 2 degrees; The air flow pressure regulating device is used for regulating the air flow pressure of the nozzle within the range of 0.05 MPa; And the cooperative control module is connected with a touch control display screen.

Description

Stripping treatment method and system for tobacco thick paste sheet Technical Field The patent belongs to the technical field of tobacco processing, and particularly relates to a tobacco thick paste method sheet stripping treatment method and system. Background In the production of tobacco thick slurry method sheets, a material stripping technology is an important process, and the formed and dried reconstituted tobacco sheet base needs to be completely and smoothly stripped from a steel belt to enter the next process. However, the existing material stripping technology depends on a mechanical scraper for a long time, and the following problems often exist: 1. The material is easy to be damaged, when the scraper is in physical contact with the material, the surface roughness and the edge scratch are easy to be caused, and particularly for the flaky material with the thickness of 0.1-0.2 mm, the appearance flatness and the thickness uniformity are difficult to reach the standards; 2. the equipment loss is large, the scraper is continuously rubbed with the steel belt, so that the steel belt is quickly worn, the equipment is also caused to vibrate severely, and the service life of the whole machine is shortened; 3. the maintenance cost is high, and the scraper is easy to wear and needs to be replaced periodically; 4. The universality is poor, the thick paste method slices with different thicknesses are difficult to adapt to by a single scraper design, and the mechanical acting force can damage sensitive components (such as spice) in the material, so that the product quality is influenced. Accordingly, there is a need to provide a new tobacco sheet peeling method to solve the above-mentioned technical problems. Disclosure of Invention The patent aims to provide a peeling treatment method and a peeling treatment system for tobacco thick paste sheets, which replace a mechanical scraper to realize the purpose of high-quality production. For solving the technical problem, the patent adopts the following technical scheme: A peeling treatment method of tobacco thick paste method slices comprises the following steps: The method comprises the following steps of A, modifying the surface of a steel belt, depositing a film coating on the surface of the steel belt, wherein the film coating comprises a fluorocarbon polymer coating or a DLC coating, the thickness of the film coating is 50-100nm, the contact angle of the surface of the steel belt is more than or equal to 120 degrees, and the modified steel belt is obtained, and the surface energy of the modified steel belt is reduced to below 20 mN/m; And B, solidifying the tobacco thick paste method sheet on the modified steel belt, wherein the interfacial adhesion force of the tobacco thick paste method sheet and the modified steel belt is 0.1-0.3N/cm, and generating air flow with an included angle of 10-15 degrees with the movement direction of the modified steel belt by the micro air flow array generating module, wherein the flow rate of the air flow is 0.5-1m/s so as to strip the tobacco thick paste method sheet from the modified steel belt. Further, in the step A, a PECVD technology is adopted to deposit a film coating on the surface of the steel belt. Further, the deposition temperature of depositing the film coating on the surface of the steel belt is 80-120 ℃; the deposition time for depositing the film coating on the surface of the steel belt is 30-60 minutes. Further, the stripping treatment method further comprises a step C; And C, applying 5-10kV direct current voltage to the stripped tobacco thick paste method sheet to enable the surface of the stripped tobacco thick paste method sheet to have the same charge so as to prevent mutual adhesion. Further, the step C further comprises the following steps: the material receiving end is provided with a counter electrode to guide the tobacco thick paste method sheet to stably fall into the material receiving end, and the offset is controlled within 2 mm. The patent further provides a stripping treatment system applying the stripping treatment method of the tobacco thick slurry method sheet, wherein the stripping treatment system comprises a steel belt surface modification module and a micro-airflow array generation module; the steel belt surface modification module is used for modifying the surface of the steel belt to obtain a modified steel belt; the modified steel belt can drive the tobacco thick paste method sheet to move towards the direction of the micro air flow array generating module, and the tobacco thick paste method sheet and the modified steel belt are peeled in the micro air flow array generating module. Further, the steel belt surface modification module comprises PECVD equipment; The micro-air flow array generating module comprises a nozzle; The nozzles are arranged parallel to the modified steel strip, a plurality of nozzles are arranged along the moving direction of the modified steel strip, and the dis