Numerical control blast gate bellows with noise elimination function

• Main Authors: LIU BIN, DING DEXIAN
• Format: Patent
• Language: Chinese; English
• Published: 14.08.2018
• Subjects: BLASTING; HEATING; LIGHTING; MECHANICAL ENGINEERING; NON-POSITIVE DISPLACEMENT PUMPS; POSITIVE DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS; WEAPONS

The utility model provides a numerical control blast gate bellows with noise elimination function, includes the bellows box, the air -out union coupling of bellows box have the silencer, the silencerinclude inlet tube, outlet pipe and middle casing, the inside spacer ring that is provided with a plurality of parallel arrangement of casing, the casing inside still be provided with with the orificeplate of the coaxial setting of casing, the orifice plate on be provided with a plurality of bloops, the inside baffle that is provided with a plurality of parallel arrangement of orifice plate, orifice plate one end be connected with the outlet pipe, the orifice plate other end is connected with the taper pipe, the taper pipe be connected with the inlet tube, the casing on spacer ring and orifice plate on baffle interval of each other set up, behind this bellows installation muffler. Effectively improve coal washing workshop and peripheral living area noise pollution, improved coal washing precision, the clean coal r