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Method for removing such solid impurities as the epidermal tissue of steam exploded hemp and the like

A technology of solid impurities and skin tissue, applied in textiles and papermaking, mechanical treatment, fiber treatment, etc.

Inactive Publication Date: 2011-06-01
INST OF PROCESS ENG CHINESE ACAD OF SCI
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Hemp steam explosion degumming technology overcomes the shortcomings of chemical degumming pollution in the prior art

Method used

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  • Method for removing such solid impurities as the epidermal tissue of steam exploded hemp and the like

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: After the device is turned on, a certain amount of steam-exploded marijuana is transported into the tank of the device, and the material is continuously rolled by the active roller and the passive roller and combed by the comb teeth of the active roller under the internal circulating hydraulic force, and the epidermal tissue is solid Impurities continue to deposit and leak out of the sieve plate, and the effluent can be returned to the tank for circulation after being filtered. After processing at a speed of 60r / min for 10 minutes, the hemp material is taken out of the tank, and after drying, the epidermal tissue before and after treatment is compared. The amount of solid impurities.

[0017] The amount of solid impurities in the whole fiber material before treatment: 40%

[0018] The amount of solid impurities in the whole fiber material after treatment: 12%

Embodiment 2

[0019] Example 2: After the device is turned on, a certain amount of steam-exploded marijuana is transported into the tank of the device, and the material is continuously rolled by the active roller and the passive roller and combed by the comb teeth of the active roller under the internal circulating hydraulic force, and the epidermal tissue is solid Impurities are continuously deposited and leaked from the sieve plate, and the effluent can be returned to the tank for circulation after being filtered. After processing at a speed of 30r / min for 20 minutes, the cannabis material is taken out of the tank, and after drying, the epidermal tissue before and after treatment is compared. The amount of solid impurities.

[0020] The amount of solid impurities in the whole fiber material before treatment: 40%

[0021] The amount of solid impurities in the whole fiber material after treatment: 8%

Embodiment 3

[0022] Example 3: After the device is turned on, a certain amount of steam-exploded marijuana is transported to the tank of the device, and the material is continuously rolled by the active roller and the passive roller and combed by the comb teeth of the active roller under the internal circulating hydraulic force, and the epidermal tissue is solid Impurities are continuously deposited and leaked from the sieve plate. After being filtered, the effluent can be returned to the tank for circulation. After processing at a speed of 10r / min for 30 minutes, the hemp material is taken out of the tank, and after drying, the epidermal tissue before and after treatment is compared. The amount of solid impurities.

[0023] The amount of solid impurities in the whole fiber material before treatment: 40%

[0024] The amount of solid impurities in the whole fiber material after treatment: 9%

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Abstract

During a steam-explosive de-gumming process, non-cellulose such as hemicellulose, lignin and pectin which do not contain spinnability degrades, and adsorbs on surface of steam-explosive fibrilia, which is not easy to remove. In order to overcome the defect that solids are not separated from wet fiber materials after the steam-explosion in the traditional hemp combing process, the invention provides an extrusion process and a device driven by water cycle, which realizes the separation of the steam-explosive fibrilia from solid impurities of epidermis, simplifies the production process for the steam-explosive de-gumming production of fibrilia, further reduces the production cost.

Description

Technical field [0001] The present invention is the field of hemp resource utilization, which specializes in the method and device of solid impurities such as steam -explosive hemp tissue tissue. Background technique [0002] The hemp plant is a mulberry family.my country's hemps include marijuana, linen, ramie, red hemp, jaoseki, sword linen and Rob Ma, ramie, albumal hemp, water hemp, blue hemp, banana, Ge Ma and other varieties. nation.Lattice plants used to be an important fiber, oil, and grain crops in human beings.The use of hemp in my country is mainly fiber. The traditional method is rope, sacks and weave cloth.The tough fiber of the hemp stems is long and tough for textile.Since the country's "hemp products fever" in the early 1980s, marking the development of the hemp textile industry has entered a prosperous period.At present, the production, processing and sales of hemp fiber and its products have occupied an important position in my country's national economy. [00...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): D01B9/00D01G37/00
Inventor 陈洪章张建兴
Owner INST OF PROCESS ENG CHINESE ACAD OF SCI