Oil bath air filters

products - Oil bath air filters - performance compare

heavy duty air filter compare to oil bath air filter
  heavy duty air filter oil bath air filter
Intake method Tangential intake, rotating separation. The air flow rotating along the casing wall through the filter core, first of all, due to the centrifugal force, the larger dust was thrown to the inside wall so as to reduce the chance to contact with filter core. Keep rotating within the barrel and accumulate to dust accretion continuously. Tangential intake, rotating separation and oil film absorb, the air was tangent taken into the outer barrel, and rotating in high speed along the inner barrel, the dust in air was separated out by the effect of eccentricity and absorbed by oil directly. The small dust was absorbed by the oil foam which results from the air rotation.
Filter method Dry filter, adopt main filter core and security filter core, the main filter core is fold-filter, easy to plug dust. The security filter core is made from synthesized fiber with large pressure drop. Use the damp and separation of filter core to realize physical separation. Wet filter, oil adhesive absorption is the main filter method, oil film and oil fog absorb the small dust, the second time filter use the oil coated metal filter , has small pressure loss. It is a dust removing method including cyclone, oil bath, oil film and mesh screen, etc.
dust holding capacity Higher dust holding capacity can meet all the machines and equipments under average and heavy dust load condition; generally, the dust holding capacity is more than three times of that of ordinary air filer, while the initial pressure loss is one third of that of traditional air filter. It is unnecessary to worry about the dust holding capacity, because almost all dust would be absorbed by oil, then deposit to the bottom of barrel, the initial pressure drop of filter core is one third of that of heavy duty air filter, it can meet the machine and equipment under heavy dust condition.
Filter medium Surface filter technology, the dust will continue to gather into the inside of the fiber, thus decrease the filter efficiency, the dust holding capacity block the dust outside the fiber without absorption and dissolve so as to reduce the filter area and the volume of intake air. Use oil as a filter medium, the dust was constant adhesive by oil film to form grain, then deposit to the bottom of barrel, oil coated metal filling adhesive the large oil grain which result from the accumulation of dust, then drop to the bottom of barrel under the effect of eccentricity and gravity.
maintenance and repair It has a higher requirement for the intake air by its own limits and can be used in heavy dust and spinning, cement and ceramic industry and so on, but it must be cleaned regularly with much work, its service life is relatively short and needs to be washed regularly. Use oil film capture filter, oil bath, and mesh screen and division to prolong the service time of oil-gas filter, bearing, rotor and the machine. Downtime due to poor intake air will be reduced; maintenance will be done by oil change; service circle will be also prolonged.
comparison of heavy duty air-filer and common air-filter
  Heavy duty air-filter Features of heavy duty air-filter common air-filter Features of common air-filter
Air intake and filtering type Tangential inlet, rotating separation. The air flow rotating along the casing wall through the filter core, first of all, because of the centrifugal force, the larger dust was thrown to the inside wall so as to reduce the chance to contact with filter core. Then the air flow will pass the 3 mm filter core, and after that the clean air enters the compressor. It improves the quality of air intake effectively.
Radial Inlet, direct filtration. No change of the flow direction of air; directly intercept and filter material in the air and the dust particles, particles below its accuracy will be absorbed into the compressor, particles bigger than its accuracy will be absorbed onto the filter paper, which affects the aspiratory capacity and is likely to result in air filter blocking.
Filtering filter Dual-core filtering, a better effect. Filter medium, the main filter core has a high dust holding capacity without metal unit, the casing is radial sealed, high reliability, stable fold-filter can resist adhesive under the required working condition. The security filter core is made from synthesized fiber with large pressure drop, safe and stable, it can prevent the occasionally replacement of it.
Single-core folding, multi-layered filtering. General there is only one filter, with folding multi-layered ordinary filter paper, no security cartridge, filter paper will be fixed by a metal mesh, with low dust holding capacity and low filtering result; it is likely to be blocked, oil allergic, short service life , frequent replacement, not suitable for high dust environment.
the casing of air filter Environmental casing and longer life. Casing integrated pre-separation structure, it is made from anti-impact polypropylene, applicable to -40 ℃ ~ +80 ℃ continuous use and short-term use when the temperature is higher than +100 ℃, polygon design, and can be regulated to the six different locking positions along the direction of the axis. Metal casing, with good sturdiness and durability. The casing is cast from carbon steel; the general inlet has a damper, which is not tangential-centrifugal pre-separation structure, with poor pre- separation effect; the dust particles easily adhere to the interface of filter paper .
dust holding capacity and pressure drop High dust holding capacity, low pressure drop. Suitable for medium or heavy duty dust conditions, its dust holding capacity is three times higher than that of normal air filter; its air pressure loss is one-third of the traditional air filter. Low dust holding capacity and high pressure drop. Because of the absence centrifugal damper, the larger particles were absorbed into the air filter and hardly to pre-separated, the larger particles may resulting in the small filter holes being blocked; thus decreases the dust holding capacity and increase the pressure drop.
the filter method of medium Surface barrier and efficient separation. Surface filtration technology, the dust will not gather in the fibers, and higher filtration efficiency, higher dust holding capacity ,it can block the dust outside of the fiber, then form a dust accretion in the dust holding point fast and efficient . Multi-layer filter and higher efficient. When dust through the fiber, some large dust are kept in the fiber due to the fiber, the keep accelerating until fill the entire space.
Filter medium feature 　Nano-coatings and fiber density. Security core using new nano-coated filter fiber with compact fibrous tissue and evenly density to form a good segregation network. Ordinary fiber, sparse organizations. Using ordinary filter fiber with separate and sparse tissue, dust is easy to stick on the fiber surface, thus cause the accumulation of dust within the organization.
passed dust Special filter, small circulation. Due to dual-core filtration, nano-coated fiber and high density, the dust in air needs to go through the multi-stage filtration so as to have less passed dust than that of traditional machines. Ordinary filter core, large circulation, single-stage filter and common fiber result to a much larger number of passed dust as well as many dust was stick to filter medium.
Performance maintenance and repair Advantages: heavy duty air filter use famous foreign brands, greatly prolongs the service life of oil gas separator, oil core, bearing, rotor and gas separation, oil filter, bearing, rotor and the complete machine, also decrease the failure rate due to poor air quality ,air filter has no metal, thus environmental design, high dust holding capacity, lower the pressure, and stronger adaptability, more convenient to maintenance and repair, the service life the three times as that of the traditional machines. Disadvantages: expensive! Advantages: cheap, easy to maintenance and repair. Shortcomings: the ordinary air filter was limited by their own conditions, has a relatively higher requirements for the air intake, unable to meet the high dust and textile industries, a relatively shorter life, high frequency of replacement.