Patents Assigned to Shanghai Juhua Science and Technology Co., Ltd.
  • Patent number: 10098377
    Abstract: Disclosed are a process and an apparatus for improving tobacco raw material. The process mainly comprises performing an extraction from at least one of tobacco leafs, tobacco flakes, tobacco powder, stalks and cut stems by mixed solvents, conducting a solid-liquid separation for the tobacco raw material, applying the extract liquor of tobacco leaves, flakes and cuts for manufacturing tobacco extract and that of stalks and cut stems for manufacturing fertilizer, diluting and mixing a given amount of tobacco aqueous extract and ethanol extract and removing harmful components so as to get feed liquid, backfilling the feed liquid to the tobacco raw material, and drying the tobacco raw material to a certain dryness to obtain the products. The apparatus is a system composed of a plurality of interconnected independent devices such as extractor, solid-liquid separator, a feed liquid backfiller, etc.
    Type: Grant
    Filed: September 27, 2016
    Date of Patent: October 16, 2018
    Assignee: Shanghai Juhua Science and Technology Co., Ltd.
    Inventors: Huang Duan, Xuesong Pan, Bin Liu, Jian Chen, Hongming Wang
  • Patent number: 9480283
    Abstract: Disclosed are a process and an apparatus for improving tobacco raw material. The process mainly comprises performing an extraction from at least one of tobacco leafs, tobacco flakes, tobacco powder, stalks and cut stems by mixed solvents, conducting a solid-liquid separation for the tobacco raw material, applying the extract liquor of tobacco leaves, flakes and cuts for manufacturing tobacco extract and that of stalks and cut stems for manufacturing fertilizer, diluting and mixing a given amount of tobacco aqueous extract and ethanol extract and removing harmful components so as to get feed liquid, backfilling the feed liquid to the tobacco raw material, and drying the tobacco raw material to a certain dryness to obtain the products. The apparatus is a system composed of a plurality of interconnected independent devices such as extractor, solid-liquid separator, a feed liquid backfiller, etc.
    Type: Grant
    Filed: January 14, 2013
    Date of Patent: November 1, 2016
    Assignee: SHANGHAI JUHUA SCIENCE AND TECHNOLOGY CO., LTD.
    Inventors: Huang Duan, Xuesong Pan, Bin Liu, Jian Chen, Hongming Wang
  • Publication number: 20140190500
    Abstract: Disclosed are a process and an apparatus for improving tobacco raw material. The process mainly comprises performing an extraction from at least one of tobacco leafs, tobacco flakes, tobacco powder, stalks and cut stems by mixed solvents, conducting a solid-liquid separation for the tobacco raw material, applying the extract liquor of tobacco leaves, flakes and cuts for manufacturing tobacco extract and that of stalks and cut stems for manufacturing fertilizer, diluting and mixing a given amount of tobacco aqueous extract and ethanol extract and removing harmful components so as to get feed liquid, backfilling the feed liquid to the tobacco raw material, and drying the tobacco raw material to a certain dryness to obtain the products. The apparatus is a system composed of a plurality of interconnected independent devices such as extractor, solid-liquid separator, a feed liquid backfiller, etc.
    Type: Application
    Filed: January 14, 2013
    Publication date: July 10, 2014
    Applicant: Shanghai Juhua Science and Technology Co., Ltd.
    Inventors: Huang Duan, Xuesong Pan, Bin Liu, Jian Chen, Hongming Wang