Composite pilot valve of emulsion pump and using method

• Main Authors: CHENG XIANGKAI, HU ZHENLEI, JIN LU, ZHEN ZENGJIE, WANG FEI, MA YONGPAN, WANG ZHENXIN, GUAN APEI, LIU CHUANYU, CHEN PENGHUI
• Format: Patent
• Language: Chinese; English
• Published: 03.05.2024
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; SEPARATION; TRANSPORTING; WEAPONS

The invention belongs to the technical field of pilot valve equipment, and discloses a composite pilot valve of an emulsion pump and a using method.The composite pilot valve comprises the emulsion pump and a pilot valve body arranged in the emulsion pump, the right end of the pilot valve body is in threaded connection with a pilot valve plug, and a liquid injection ring bin is formed in the side, close to the pilot valve plug, of the interior of the pilot valve body; an adjusting ring bin located at the left end of the liquid injection ring bin is formed in the pilot valve body, a stepped shaft sleeve is fixedly connected into the adjusting ring bin, a three-stage stepped shaft hole is formed in the stepped shaft sleeve, a sliding stepped shaft is slidably connected into the three-stage stepped shaft hole, and the left end of the sliding stepped shaft penetrates through the stepped shaft sleeve; the right end face of the stepped shaft sleeve is in clearance fit with the right end face of the sliding stepped s