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Title:
HIGH-PRECISION WASHING PROCESS OF GOLD AND SILVER COIN BILLET CAKE
Document Type and Number:
WIPO Patent Application WO/2017/198232
Kind Code:
A1
Abstract:
Disclosed is a high-precision washing process of a gold and silver coin billet cake, involving the field of surface cleaning of workpieces, including the steps arranged sequentially: emulsification, vacuum water shearing, hydrocarbon washing, vacuum bath-washing and drying and gas-phase washing. The high-precision washing of the gold and silver coin billet cake can be realized by means of controlling the vacuum degree, the temperature of a detergent, the ultrasonic wave frequency and the washing time in each step. In the present invention, the pollutant treatment is thorough, the yield is high, the automation degree in each step is high, and an environmentally friendly detergent is used in each step, thereby meeting the environmentally friendly requirements.

Inventors:
YI, Wenjun (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WANG, Yingjiang (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WANG, Huaizhong (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WU, Wei (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WANG, Aiping (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WU, Qiong (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
ZHAO, Kai (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
DONG, Jianhao (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
WANG, Xiaoyan (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
LI, Xiaonan (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
ZHENG, Dabin (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
YIN, Zejun (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
LI, Xiaojun (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
DING, Mingyao (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
DING, Yuqing (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
LI, Hui (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
HU, Jun (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
KUANG, Wenxuan (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
LIU, Zhanbo (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
MIN, Yuanyuan (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
ZHANG, Xinxin (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
HE, Pingjun (No.10, Lanzhu East Road Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
Application Number:
CN2017/085358
Publication Date:
November 23, 2017
Filing Date:
May 22, 2017
Export Citation:
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Assignee:
SHENZHEN GUOBAO MINT (216A, No. 1 Lanzhu Mansion, Shenzhen Big Industrial Zone, Pingshan New Distric, Shenzhen Guangdong 0, 518000, CN)
International Classes:
C23G5/06; B08B5/02; C23G5/024
Foreign References:
CN105970244A2016-09-28
CN105543860A2016-05-04
CN105290038A2016-02-03
CN1667160A2005-09-14
CN1114243A1996-01-03
Attorney, Agent or Firm:
CHINA TRUER IP (10A3, Jiangxi Shiji Haoting Building Shennan Road South, Chegong Miao, Futian Distric, Shenzhen Guangdong 0, 518040, CN)
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