Anti-pollution measuring device suitable for measuring primary air speed of pulverized coal pipeline

• Main Authors: WANG HUIQING, HUANG GANGYING, REN HAIFENG, XU YUANGANG
• Format: Patent
• Language: Chinese; English
• Published: 09.03.2021
• Subjects: INDICATING PRESENCE, ABSENCE, OR DIRECTION, OF MOVEMENT; MEASURING; MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION,OR SHOCK; PHYSICS; TESTING

The invention discloses an anti-pollution measuring device suitable for measuring the primary air speed of a pulverized coal pipeline. The anti-pollution measuring device comprises a backrest type pressure tapping pipe, a sampling pipe base, a ball valve, a sealing sleeve piece, an electronic micromanometer and the like, wherein the backrest type pressure tapping pipe comprises a total pressure tapping pipe and a static pressure tapping pipe which extend into the pulverized coal pipeline at the same time, and the total pressure tapping pipe and the static pressure tapping pipe are welded sideby side; the sampling pipe base is fixedly welded to an opening in the side wall of the pulverized coal pipeline; the ball valve is fixedly connected with the sampling pipe base; the sealing sleeve piece is nested on the backrest type pressure tapping pipe; the sealing sleeve piece is detachably connected with the ball valve; a ruler is fixed to the sealing sleeve piece; and the electronic micromanometer is connected with