Anti - washing unit of chemical pipeline pump

• Main Authors: HUANG JIEXIONG, CAO ZHONGHUI
• Format: Patent
• Language: Chinese; English
• Published: 30.01.2018
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model discloses an anti - washing unit of chemical pipeline pump, including the pump body, pump body connection has inlet tube, outlet pipe, the pump body embeds there is the sealing member, be provided with the pump cover on the pump body, be connected with the back flush pipe between pump cover and the outlet pipe, utilize this high -pressure medium who produces of water pump when the operation, through the back flush pipe, mechanical seal parts in the dielectric fluid directive pump, improvement mechanical seal's life. 本实用新型公开了种化工管道泵的反冲洗装置，包括泵体，所述泵体连接有进水管、出水管，所述泵体内置有密封件，所述泵体上设置有泵盖，所述泵盖和出水管之间连接有反冲洗管；利用水泵本身在运转时产生的高压介质，通过反冲洗管，把介质液射向泵内机械密封部件，提高机械密封的使用寿命。