Sludge viscosity reduction treatment device utilizing waste heat of sludge drying gas

• Main Authors: YAO JIE, DENG WENYI, CHEN GUANG, SUN JIANPING, LIN BINGJIE, ZHOU PIREN, JIANG RUI
• Format: Patent
• Language: Chinese; English
• Published: 11.06.2019
• Subjects: BLASTING; CHEMISTRY; DRYING; DRYING SOLID MATERIALS OR OBJECTS BY REMOVING LIQUID THEREFROM; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; WEAPONS

The utility model relates to a sludge viscosity reduction treatment device utilizing waste heat of sludge drying gas. The sludge drying device comprises a sludge drying machine, a sludge conveying pipe, a drying tail gas pipeline and a spray tower, the sludge drying machine is connected with a sludge conveying pipe; the spray tower is connected to a sludge drying machine through a drying tail gaspipeline; a tubular heater is mounted on the outer side of the sludge conveying pipe; a tail gas heat exchanger is arranged on the drying tail gas pipeline between the sludge drying machine and the spray tower; and the drying tail gas passes through a heating medium flow path of the tail gas heat exchanger, and a refrigerant flow path of the tail gas heat exchanger is respectively communicated with a heating medium flow path of the tubular heater through a heat-carrying medium inlet pipe and a heat-carrying medium outlet pipe to form circulation. The sludge drying tail gas waste heat recoverydevice can realize the coo