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Method for extracting oil from camphorwood and pulping

A technology of camphor wood and oil production, which is applied in pulping with inorganic alkali, pulping waste gas treatment, pulping of cellulose raw materials, etc., can solve the problems of low camphor oil yield, strong smell, and environmental risks, and achieve shortening The effect of extracting time, improving extraction rate, and avoiding mildew and deterioration

Pending Publication Date: 2022-05-13
YUEYANG FOREST & PAPER CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the yield of camphor oil in this process is low, and the factory site has a strong smell, which has environmental risks.

Method used

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  • Method for extracting oil from camphorwood and pulping

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Embodiment 1

[0064] A method for extracting oil from camphor wood and making pulp, comprising the following steps:

[0065] The camphor wood is peeled, chipped, and screened to make camphor wood chips. The length of the camphor wood chips is controlled at 7-40mm, and the thickness is 10-20mm. According to the mass percentage, the qualified rate of the camphor wood chips is controlled at 70-100%, and the camphor wood chips contain water. The rate is 30-50%;

[0066] Put the camphor wood chips into a cooking pot, feed water vapor to distill and extract the camphor oil, and control the distillation temperature to 125°C, the distillation pressure to 0.1Mpa, the distillation time to 2h, and the mass ratio of distillation steam consumption to wood chips to be 2:1;

[0067] The oil-liquid mixture obtained by distillation is subjected to oil-water separation through an oil-water separator to obtain camphor oil;

[0068] After the distillation is finished, add a cooking reagent to the pressure ves...

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Abstract

The invention discloses a camphorwood oil extraction and pulping method which comprises the following steps that camphorwood is made into camphorwood pieces, the length of the camphorwood pieces is controlled to be 7-40 mm, and the thickness of the camphorwood pieces is controlled to be 10-20 mm; putting the camphorwood chips into a pressure container, introducing water vapor, distilling and extracting camphor wood oil, and controlling the distillation temperature to be 120-125 DEG C, the distillation pressure to be 0.06-0.1 Mpa and the distillation time to be 2-2.5 hours; performing oil-water separation on an oil liquid mixture obtained by distillation to obtain camphor wood oil; after the distillation is finished, adding a cooking reagent into the pressure container for cooking to obtain cooked pulp; and removing knots from the cooked pulp, washing, and screening to obtain the pulp for papermaking. According to the camphor wood oil extraction and pulping method provided by the invention, a camphor wood oil extraction process and a chemical pulping process are integrated, so that the method is rapid and efficient; meanwhile, according to the method provided by the invention, the extraction rate of the camphor wood oil is greatly improved, and the extraction time of the camphor wood oil is shortened by half.

Description

technical field [0001] The application relates to the technical field of utilization of wood raw materials, in particular to a method for extracting oil from camphor wood and making pulp. Background technique [0002] Camphor wood is an evergreen tree. The whole plant has aroma. The bark is yellowish brown with irregular longitudinal cracks. The leaves are alternate, egg-shaped, light-loving, and can tolerate shade, but it is not cold-resistant and does not require high soil. It is resistant to water and humidity, not resistant to drought, has deep taproots, can resist wind, has a long survival period, has a strong ability to smoke and hold dust, conserve water sources, fix soil and prevent sand, and beautify the environment. It can adapt to urban environments, so it is mostly used as urban greening tree species , Widely distributed in Jiangxi, Hunan, Hubei, Fujian, Guangdong and Zhejiang and other places south of the Yangtze River. [0003] The main use of camphor wood is ...

Claims

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Application Information

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IPC IPC(8): D21C5/00D21C3/02D21C3/22D21C11/04D21C11/08D21D5/16C11B1/10C11B1/04
CPCD21C5/00D21C3/022D21C3/22D21C11/04D21C11/08D21D5/16C11B1/04C11B1/104C11B1/108
Inventor 洪嘉远董超史梦华朱宏伟赵国红胡辉球吴健余政胡锋刘永丰
Owner YUEYANG FOREST & PAPER CO LTD
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