Rotating cross-flow type vacuum membrane distilling apparatus

Rotating cross-flow type vacuum membrane distilling apparatus

The utility model discloses a rotating cross-flow type vacuum membrane distilling apparatus, which mainly comprises a raw water storage tank, a raw water heating tank, a rotating cross-flow type hydrophobic membrane assembly, a condenser, a cooling water tank, a vacuum buffer tank, a vacuum pump and...

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Hauptverfasser: ZOU NING, LIU HAOLIANG, GENG ANCHAO, LIAO DEXIANG
Format: Patent
Sprache:eng
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CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
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creator ZOU NING
LIU HAOLIANG
GENG ANCHAO
LIAO DEXIANG
description The utility model discloses a rotating cross-flow type vacuum membrane distilling apparatus, which mainly comprises a raw water storage tank, a raw water heating tank, a rotating cross-flow type hydrophobic membrane assembly, a condenser, a cooling water tank, a vacuum buffer tank, a vacuum pump and a produced water tank. In the process of membrane distillation, due to a centrifugal force, a hydrodynamic shear stress and a strong hydrodynamic turbulence produced through the program-controlled rotating operation of the hydrophobic membrane assembly, the self cleaning of the surface of a breathable membrane can be realized, thereby effectively avoiding the influence of concentration polarization and temperature polarization, reducing the pollution caused by salt crystallization, scaling, gel layers and organic matters and the like, prolonging the cleaning cycle and service life of a breathable membrane assembly, and improving the heat utilization rate of the system.
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subjects CHEMISTRY
METALLURGY
TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
title Rotating cross-flow type vacuum membrane distilling apparatus
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