Title: Asphalted oil pump to against overflow
Application Number: 89103464 Application Date: 1989.05.19
Publication Number: 1047369 Publication Date: 1990.11.28
Approval Pub. Date: Granted Pub. Date:
International Classifi-cation: C10C3/12
Applicant(s) Name: Depcartment of Communications, Shanxi Prov Address:
Inventor(s) Name:
Attorney & Agent: ZHANG JIANMIN
Abstract:
     This invention relates to an improvement of asphalt pump arrangement. An internal circulation loop of heating tank composed of three-function valve and jet tube is added in original pump arrangement. During the heating procedure of asphalt, the "overflow" and ageing phenomena of asphalt can be avoided effectively because of the stirring and circulating action of this loop. The invention features simple structure and convenient adaptation, and is suitable for circulating and heating various petroleum and coal asphalts and other liquid materials.
Time: 10