Shanghai valve manufacturing company with you to understand a type vacuum pump 'claw type dry vacuum pump'

2019 - 11 - 16

when it comes to the application of the vacuum pump, it would be too much, because many types of vacuum pump, widely used in plastic machinery, pesticide chemical, dyes, brick machine, low temperature, papermaking machinery, medicine, chemical industry, food machinery, industrial furnace, vacuum equipment, petrochemical industry, electronic industry, metallurgy, mining, and foundation treatment, etc. Below belt you know a type vacuum pump 'claw type dry vacuum pump', detailed stamp below! Claw type dry vacuum pump 1. Overview of claw type dry vacuum pump using the connection on the shaft of the two pairs of claw type between the rotor and rotor and the pump cavity wall and have clearance between rotor and clapboard, sealed cavity formed by the friction of the meshing of volume size change to complete vacuum exhaust process. 2. Structure of claw type dry vacuum pump structure, generally adopts multilevel rotor series, or roots rotor and multi-stage rotor series, in the form of multistage claw type dry vacuum pump. Level 4 pump cavity to breathe in the first level in the pump chamber, the suction volume than level 3, behind the formation of interstage compression. Four pairs of rotor is installed on the two parallel shaft, shaft is supported by bearings on both ends up and down, between levels of water pump cavity and the diaphragm, diaphragm on the exhaust passage. Gear motor inverted installation, the transition will power is passed on to the rotor shaft, rotor shaft gear drive by a pair of synchronous time and phase adjustment and fixed rotor. Between rotor and rotor and the pump cavity internal tiny cracks, rotor suspended in the pump chamber makes flow part without any real contact friction, also do not need lubrication, this ensures the claw can keep long-term stability limit vacuum pump, pumping speed and compression ratio remains unchanged, long service life. 3. Characteristics of the pump cavity is not any media such as oilseed, cleaning time, no pollution to the environment. The vacuum degree is high, up to 3 pa. Simple structure, easy operation and maintenance, low operating cost. Can work continuously for a long time under high pressure and low noise. Can pumping corrosive gas, toxic, flammable and explosive gas, radioactive gas, gas and non-condensable gas containing dust ( Such as water vapor, organic gases, etc. ) 。 Can do gas transmission pump use, good compression ratio and can reach 10 - 105. Rotor suspended in the water pump chamber, the rotor in between, there is no contact between the rotor and the pump cavity, no friction, long service life. 4. Application of petrochemical industry: can you smoke in addition to the acidic gas, such as tetrahydrofuran, etc. Can pumping condensable gas, such as alcohol, gasoline, etc. Pumping flammable and explosive gas, such as oxygen, hydrogen, methane, etc. Anti-corrosion series can pumping acid gas, such as hydrogen chloride gas, hydrogen fluoride gas, acid gas, etc. Pharmaceutical industry: crystallization, distillation, distillation, drying, deodorization, aggregation, vacuum evaporation, vacuum filter, monomer recovery, adsorption/stripping, corrosion, corrosion medium, conveying of ethylene oxide sterilization, etc. Food industry: sublimation, dry and dehydration, vacuum evaporation, vacuum, vacuum packaging, etc. Scientific research institutes, spin steaming, distillation, distillation, aggregation, negative pressure suction filter, vacuum drying, pilot plant and wind tunnel test, vacuum environment simulation, etc. Electronic pv: dipping, vacuum coating, ion etching, molecular beam epitaxy, etc. Aviation: brazing, vacuum coating, electron beam welding, wind tunnel test and space environment simulation, etc. Metallurgical industry: dip, extrusion, vacuum coating, ion etching, mud degassing and degassing of liquid steel, molecular beam epitaxy, etc. Industry: zero UF6 gas leak claw pump can suction as well as other industries: central air conditioning, the indoor vacuum, sewage treatment, lithium battery manufacturing, etc.

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