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Manual and automatic integrated return oil filter

A filter and an integrated technology, applied in the direction of dispersed particle filtration, chemical instruments and methods, and dispersed particle separation, can solve the problems of oil spill, filter area reduction, soaking, etc., and achieve the effect of easy oil discharge

Pending Publication Date: 2019-08-20
台州市南风真空设备制造厂
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Problems solved by technology

However, in actual use, when there is too much lubricating oil in the lower casing, due to the simple oil return structure of the prior art (only one oil return hole), the lubricating oil cannot be effectively and quickly discharged back into the oil tank of the pump, resulting in oil overflow , or cause the lower part of the filter element to be soaked in lubricating oil, resulting in a reduction in the effective filter area

Method used

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  • Manual and automatic integrated return oil filter
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Embodiment Construction

[0009] The invention relates to a manual and automatic oil return oil mist filter, such as figure 1 , figure 2 As shown, it includes an upper housing 1 and a lower housing 2, a filter element 3 is arranged between the upper and lower housings, an air outlet 21 is provided on the upper housing 1, and an air inlet 5 is provided in the lower part of the lower housing 2 An oil return mechanism is provided at the air interface, and the oil return mechanism includes an annular boss 15 provided on the inner bottom surface of the lower housing 2, an oil storage groove 14 is formed in the annular boss, and a vertical oil return hole 6 is provided at the bottom of the lower housing 2. The inner end of the horizontal oil return hole 7 and the horizontal oil return hole 7 is provided with an automatic oil return port 20. The automatic oil return port 20 is connected to the oil storage tank of the vacuum pump. The automatic oil return port 20 is equipped with an automatic oil-sealing oil re...

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Abstract

A manual and automatic integrated return oil filter comprises an upper shell and a lower shell, a filter element is arranged between the upper shell and lower shell, the upper shell is provided with agas discharging port, the lower part of the lower shell is provided with a gas feeding port, the gas feeding port is provided with an oil returning mechanism, an annular boss is arranged at the innerbottom surface of the lower shell, an oil storage groove is formed in the annular boss, the bottom of the lower shell is provided with a vertical oil returning hole and a horizontal oil returning hole, an automatic oil return port is arranged at the inside end of the horizontal oil returning hole, the automatic oil returning port is communicated with a vacuum pump oil storage tank, an automatic oil sealing and returning mechanism is arranged in the automatic oil returning port, a manual oil returning joint is arranged at the outside end of the horizontal oil returning hole, the manual oil returning joint is connected with the vacuum pump oil storage tank through an oil pipe, an oil discharging hole is arranged at one side of the gas feeding port, and a stop valve is arranged in the oil discharging hole.

Description

Technical field [0001] The invention relates to a multifunctional oil mist filter with automatic and manual oil return, which is mainly used for filtering the oil mist discharge of an indoor vacuum pump or an air compressor. Background technique [0002] During the use of vacuum pumps or air compressors, the gas discharged from the exhaust port will carry the lubricating oil of the pump. This lubricating oil is combined with the gas in an oil mist state. If it is not installed at the exhaust port of the vacuum pump Oil mist filter, this kind of gas with oil mist will pollute the indoor environment and cause harm to people's health. Therefore, the exhaust port of the vacuum pump usually needs to install an oil mist filter to achieve the purification effect. The applicant has designed an oil mist filter and applied for a Chinese patent, patent number ZL201621299798.5, which includes a shell and a filter element installed in the shell, characterized in that the shell is made of plas...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D46/24B01D46/48
CPCB01D46/2411B01D46/48
Inventor 林楠
Owner 台州市南风真空设备制造厂
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