Author Archives: shengjie

Does dewatered sludge contain water?

Q: Does dewatered sludge contain water? A: Yes, dewatered sludge contains water. And its water ratio is always between 80%-85%. Dry sludge refers to sludge through drying after, which water ratio is very low even without any water. And it is cake. cheap jerseys The ratings in the US are also voluntary for exhibitors to enforce. films get submitted […]

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What is a high efficiency filter

First, the high efficiency filter is mainly used for trapping dust and particles below 0.3um suspended solids. Ultra-fine glass fiber paper for the media, each test were confirmed by sodium flame method, with high filtration efficiency, low resistance, high dust holding capacity and other characteristics. High efficiency filter comprises a HEPA filter and non-HEPA filter, […]

Filter the type of presentation

Primary filter is mainly applied to air conditioning and ventilation system primary filter, clean room return air filter, high efficiency filter pre-filter device locally, mainly used to filter 5um particle size of dust particles and above. Is also used to protect the primary multi-stage filtration system, Yu was the company’s early efficiency filters have a […]

Filtering principle of operation mode

1. Constant Filter Filtering operation is carried out at a constant pressure, constant pressure is called filtering. Constant pressure filtration is the most common mode filter, the filtration process, with the thickening of the cake layers, increase resistance to large, due to constant pressure, the filtration rate will gradually decrease. 2. Constant speed filter Filtering […]

What effects sludge dewatering performance?

Q: What effects sludge dewatering performance? A: 1. Sludge particle size, density, according to Stowe Erke formula, the larger the particle, the greater the density, the faster the settlement, the more easily dehydrated. 2. The viscosity of sludge. Sludge bacteria form zoogloea , which wrap water in, therefore it is difficult to be separated by mechanical dewatering. 3. Flocculant. On one hand […]

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Water filtration vacuum cleaner advantages

1, to deal with all kinds of garbage now cleaner water filtration technology has emerged slip and adhesion objects, broken glass, nails and other sharp objects can absorb sauces and other food residue paste objects, water, beverages and other liquid objects, broken eggs, etc. vacuum cleaner. Compared to other filtration technologies, more able to cope […]

Air filtration processes

General air cleaning devices filter the air probably divided about the methods and procedures. 1, multiple filters —- prevent airborne dust and bacteria into the interior Multiple carbon filter effectively blocking dust germs, filtered air to ensure clean air into the room. 2, titanium antivirus —- degradation of indoor air pollution of formaldehyde, benzene and […]