Device for compressing screen mesh pneumatically

Abstract

The invention relates to the technical field of drilling vibrating screen equipment, in particular to a device for compressing a screen mesh pneumatically. The device comprises a screen box and a screen mesh, and is characterized in that the screen mesh is movably arranged on the screen box; mounting grooves are formed in the two sides of the screen box; a sealing airbag is arranged between each mounting groove and the screen mesh; each sealing airbag is connected with an air source through an air delivery pipe; a control unit is arranged on the pipeline of the air delivery pipe. The air provided by the air source is introduced into the sealing airbags through the control unit, so that the sealing airbags are expanded to compress the screen mesh on the screen box; the screen mesh is compressed by the sealing airbags, and meanwhile, high sealing performance is guaranteed; the effective using area of the vibrating screen is improved; in addition, the screen mesh can be limited effectively in an inclined contact surface mode of the screen mesh and the screen box; the effects of compressing and positioning the screen mesh are achieved; according to the device, the screen mesh can be mounted or detached conveniently and quickly by only operating a switch; the device is easy to operate and convenient to assemble and disassemble; the work efficiency of the vibrating screen is effectively improved.

Description

technical field

[0001] The invention relates to the field of drilling vibrating screen equipment, in particular to a device for pneumatically compressing a screen mesh. Background technique

[0002] The drilling fluid shale shaker is the first-level solid control equipment in the drilling mud solid phase control system, and it is an indispensable equipment in the mud solid control system. treatment effect and service life; the working principle of the drilling fluid vibrating screen is that the vibrator installed on the vibrating screen box generates an exciting force, and the screen box is reciprocatingly vibrated under the action of the shock absorbing spring, and the screen box installed on the screen box The screen acts on the passing mud to separate the solid and liquid phases of the drilling cuttings in the mud. As the screen wears over time and needs to be replaced and maintained, a gap is easily formed between the screen and the screen box, and harmful solid phases p...

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