The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
Dec. 12, 2023

Filed:

Mar. 13, 2020
Applicants:

Zhejiang Huakang Pharmaceutical Co., Ltd., Zhejiang, CN;

Zhejiang University, Zhejiang, CN;

Zhejiang University of Technology, Zhejiang, CN;

Inventors:

Jian Yang, Zhejiang, CN;

Yi Zheng, Zhejiang, CN;

Taogang Zhang, Zhejiang, CN;

Han Gao, Zhejiang, CN;

Mian Li, Zhejiang, CN;

Zhiqiang Liu, Zhejiang, CN;

Yuguo Zheng, Zhejiang, CN;

Baoxing Mao, Zhejiang, CN;

Xiaojian Zhang, Zhejiang, CN;

Weiwei Fan, Zhejiang, CN;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C07C 29/78 (2006.01); A23L 27/30 (2016.01); B01D 1/26 (2006.01); B01D 9/00 (2006.01); B01D 21/26 (2006.01); C07C 31/18 (2006.01);
U.S. Cl.
CPC ...
C07C 29/78 (2013.01); A23L 27/34 (2016.08); B01D 1/26 (2013.01); B01D 9/0022 (2013.01); B01D 21/262 (2013.01); C07C 31/18 (2013.01); A23V 2002/00 (2013.01); B01D 2009/0086 (2013.01);
Abstract

The present invention relates to a xylitol preparation device integrating evaporation, crystallization and centrifugation, including a xylitol tank, a cleaning liquid tank, a recycling tank and a multiple distribution system, wherein the multiple distribution system includes J groups of evaporators for evaporation concentration, K groups of vacuum crystallization kettles for vacuum crystallization and L groups of centrifuges for centrifugation, wherein 2≤J≤6, 6≤K≤12 and 2≤L≤4; the evaporator, the vacuum crystallization kettle and the centrifuge in different groups are sequentially connected in series with one another through a pipeline and a valve respectively; by controlling on and off of each valve, a xylitol exchange liquid is switched and controlled between a series-connection mode and a parallel-connection mode in the multiple distribution system to enable evaporation, crystallization and separation processes to reach an optimal effect distribution so as to improve productivity. The present invention further discloses a control method of the device. The processes and equipment of the present invention are highly integrated to realize continuous integrated production of xylitol preparation with low energy consumption and high automation degree, and full utilization of raw materials.


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