Title: Cooling-water circulating method for wet phosphoric acid production process
Application Number: 02133868 Application Date: 2002.09.28
Publication Number: 1403366 Publication Date: 2003.03.19
Approval Pub. Date: Granted Pub. Date: 2005.02.09
International Classifi-cation: C01B25/18,C01B25/46
Applicant(s) Name: Yunnan Sanhuan Chemical Co., Ltd. Address: 650113
Inventor(s) Name: Lu Qingsheng, Ming Dazeng
Attorney & Agent: zhan xihan wang min
Abstract:
     The present invention discloses the cooling water circulating method in wet phosphoric acid production process. One hot water tank is set in some place higher than the water cooling tower inlet, so that the water out of the hot water tank can flow into the water cooling tower for cooling. Compared with available technology, the present invention has no underground channel, underground tank and hot water pump and thus has compact structure, small floor area and low cost.
Time: 5