Sampling and detecting device for spiral-wound membrane module

The invention relates to a spiral-wound membrane module sampling and detecting device which comprises a collecting pipe, the collecting pipe is inserted into a central pipe in a spiral-wound membrane module, a corrugated pipe is arranged at one end, far away from the spiral-wound membrane module, of the collecting pipe, the corrugated pipe is communicated with a detecting pipe, the detecting pipe is communicated with a detecting part, and the collecting pipe is provided with a conveying device which comprises a mounting plate; rubber conveying wheels are symmetrically arranged at the upper end of the mounting plate, the outer edge faces of the rubber conveying wheels are in an arc shape and concave inwards, and the collecting pipe is located between the symmetrically-arranged rubber conveying wheels. The collecting pipe is wiped into the central pipe of the spiral-wound membrane component, filtrate at different positions is collected and detected by controlling the deep position of the collecting pipe, and wa