Online dry powder bag leak detection device

Abstract

The online dry powder bag leak detection device comprises an adjustable clamp, a spacing positioning piece, a pressure measuring instrument, a pressurizing pipe and a pressure tapping pipe, the adjustable clamp comprises a first pressing plate and a second pressing plate which are arranged in parallel, the first pressing plate and the second pressing plate are connected through an adjustable connecting piece, and the distance between the two pressing plates is adjustable; a clamping groove is formed in the first pressing plate; the online dry powder bag is placed between the two pressing plates, and the online connector is located in the clamping groove and protrudes out of the first pressing plate upwards from the clamping groove. The spacing positioning piece comprises a positioning piece main body and spacing positioning tables which are arranged on the positioning piece main body and are different in thickness, and the spacing positioning tables can be inserted between the first pressing plate and the second pressing plate to position the spacing between the first pressing plate and the second pressing plate; one end of the pressurizing pipe is connected with an external air source, the other end is connected with a liquid inlet pipe of the connecting joint, one end of the pressure taking pipe is connected with a liquid outlet pipe of the connecting joint, and the other end is connected with the pressure sensor. According to the utility model, leakage detection is carried out on the on-line dry powder bag welded with the on-line joint, and the accuracy and the operation convenience of leakage detection are improved.