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MBR membrane bioreactor

MBR is the abbreviation of MembraneBio-Reactor. It is a new type of water treatment technology that organically combines membrane separation technology and biotechnology. It uses membrane separation equipment to separate the activated sludge and macromolecular organic matter in the biochemical reaction tank. Intercept, save the second settling pond. The membrane-bioreactor process greatly enhances the function of the bioreactor through membrane separation technology, greatly increasing the concentration of activated sludge, and its hydraulic retention time (HRT) and sludge retention time (SRT) can be controlled separately.

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1. Introduction

2. Process flow chart

3. MBR process characteristics/advantages

1. It occupies a small area and saves space;
2. Stable water quality and high transparency;
3. Convenient operation and management, simple maintenance;
4. Long sludge age and strong impact resistance of the system.

Intelligent garden glass fiber wastewater treatment system

Reverse Osmosis (RO) Device

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MBR membrane bioreactor

Reverse Osmosis (RO) Device

A reverse osmosis membrane is a semi-permeable membrane. Theoretically, it only allows water molecules to pass, but not other substances. Reverse osmosis uses the principle of reverse osmosis to remove ions, organics and other impurities in the water. If a water pool is separated into two parts by a membrane that only water molecules can penetrate, pure water and salt water are injected to the same height on both sides of the membrane. After a while, it will be found that the level of pure water has decreased, while the level of brine has increased. We call the phenomenon that water molecules migrate into the salt water through this membrane as osmosis. The rise of the salt water level is not endless, and an equilibrium point will be reached at a certain height. At this time, the pressure represented by the difference between the two ends of the diaphragm is called the osmotic pressure. The size of osmotic pressure is directly related to the concentration of brine.

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Waste heat drying sludge equipment

The sludge enters the waste heat drying sludge equipment, in which steam is used as the heat source to dry the sludge. The hollow shaft inside the equipment is densely arranged with wedge-shaped hollow blades, and the steam flows through the blades through the hollow shaft. The heat transfer area in the effective volume is large. The steam passes through the rotary joint and flows through the shell jacket and the hollow stirring shaft. The hollow stirring shaft has different internal structures according to the type of heat medium to ensure the best heat transfer effect. While the paddle and jacket are heated by steam, the upper part of the discharge port is simultaneously dehumidified, which greatly increases the drying strength of the equipment.

Waste heat drying sludge equipment

The sludge enters the waste heat drying sludge equipment, and the waste heat of the exhaust gas is used as the drying heat source. The high-humidity, high-viscosity, mass-shaped sludge is strongly stirred, broken, directly penetrated, and quickly broken into loose shapes, thereby increasing The contact area between the sludge and the hot air speeds up the drying speed and transforms the sludge into a loose type that is easy to dry, effectively avoiding the granular sludge from agglomerating again. The wet mud is in direct contact with the hot air of the drying medium, and the hot air transfers heat to the wet mud. Because the water vapor pressure on the surface of the wet mud is lower than the water vapor pressure in the hot air, the moisture on the surface of the wet mud is vaporized, and the water evaporates from the surface of the sludge. The vaporized moisture is taken away. After the sludge reaches the drying requirements, it will be automatically discharged and directly bagged for transportation or other treatments.

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E-mail：zyhuanbao11@163.com
Add：No.296 Huaye Road, Fengming Street, Tongxiang City

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Tel

0573- 88898389

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No.296 Huaye Road,
Fengming Street,
Tongxiang City

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