Acid adding system for treating papermaking sludge filter pressing water

• Main Authors: Yu Xinfei, Ye Minghua, Sheng Hongchan, Lou Jun, Cao Jing
• Format: Patent
• Language: Chinese; English
• Published: 17.08.2016
• Subjects: CHEMISTRY; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE

The invention relates to the technical field of treatment of papermaking wastewater. An acid adding system for treating papermaking sludge filter pressing water comprises an acid storage tank with support legs, wherein an acid filling opening is formed in the top end of the acid storage tank; a cover is fixed on the acid filling opening via a nut matched with a bolt; an output pipeline with a valve is arranged at the bottom of the acid storage tank; walking wheels are also arranged at the bottom of the acid storage tank; the support legs are hydraulic lifting support legs capable of lifting the walking wheels off the ground; the output pipeline is a flexible pipe; the nut comprises a threaded hole section matched with the bolt; grooves extending along the axial direction of the nut are formed in the hole wall of the threaded hole section; the grooves penetrate through the threaded hole section. According to the acid adding system for treating papermaking sludge filter pressing water, the overall acid adding s