Double-helix channel type heat exchange pipe and sludge heating and viscosity reducing device

• Main Authors: YAO JIE, DENG WENYI, CHEN GUANG, SUN JIANPING, LIN BINGJIE, OU RUQING, CHEN SHENLEI, ZHOU PIREN
• Format: Patent
• Language: Chinese; English
• Published: 09.02.2018
• Subjects: BLASTING; CHEMISTRY; HEAT EXCHANGE IN GENERAL; HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS,IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT; HEATING; LIGHTING; MECHANICAL ENGINEERING; METALLURGY; PERFORMING OPERATIONS; PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL; SEPARATION; TRANSPORTING; TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE; WEAPONS

The invention relates to a double-helix channel type heat exchange pipe and a sludge heating and viscosity reducing device. The sludge heating and viscosity reducing device comprises the double-helixchannel type heat exchange pipe, a thermal sludge drying machine, a cyclone separator, a wet sludge bunker, a wet sludge pump, a spray tower and an induced draft fan, wherein the thermal sludge dryingmachine is connected with the cyclone separator by means of a hot tail gas pipeline; a gas outlet of the cyclone separator is connected with a gas inlet of the double-helix channel type heat exchangepipe; a gas outlet of the double-helix channel type heat exchange pipe is connected with the spray tower by means of a cold tail gas pipeline; a gas outlet of the spray tower is connected with the induced draft fan by means of a carrier gas pipeline; the wet sludge bunker, the wet sludge pump, the double-helix channel type heat exchange pipe and the thermal sludge drying machine are sequentiallyconnected with one another b