CN210087610U - Oil mist recovery device of oil injection screw vacuum pump - Google Patents

Abstract

The utility model relates to an oil mist recovery unit of oil spout screw vacuum pump, including casing, oil mist filter core, oil catcher, base and apron, the base is inside hollow tubular structure, and the fixed oil trap that sets up in base upper portion, both ends set up the opening about the casing, and the oil mist filter core runs through the casing, oil mist filter core lower extreme and base upper end intercommunication, oil trap and oil catcher intercommunication, oil catcher lateral wall lower part intercommunication are provided with back oil pipe, and back oil pipe sets up manual ball valve, and the apron is fixed in oil mist filter core upper end. The utility model discloses an oil trap and the oil collector that oil mist filter core lower extreme set up can realize that oily waste gas can collect and oil content wherein after the processing of oil mist filter core, is that the oil content of retrieving is realized recycling by leading-in vacuum pump system once more, the utility model has the advantages of reasonable structure, the dismouting is simple, can reduce vacuum pump system running cost, environmental protection, economy.

Description

Oil mist recovery device of oil injection screw vacuum pump

Technical Field

The utility model belongs to the technical field of the vacuum pump, concretely relates to oil mist recovery unit of oil spout screw vacuum pump.

Background

With the emphasis on ecological protection in China, the environmental protection requirement on general equipment is higher and higher, and how to reduce the pollution degree of the general mechanical equipment to the environment becomes more important. The conventional oil-injection screw vacuum pump adopts two modes for discharging mixed gas at the rear end of an oil-gas barrel, wherein one mode is directly discharging to the atmosphere, and the other mode is directly absorbing through a filter; the former has a great environmental impact and the latter requires periodic refueling of the system.

Disclosure of Invention

For solving the problem that exists among the prior art, the utility model provides an oil mist recovery unit of oil spout screw vacuum pump, a serial communication port, including casing, oil mist filter core, oil catcher, base and apron, the base is inside hollow tubular structure, the fixed oil trap that sets up in base upper portion, both ends set up the opening about the casing, the oil mist filter core runs through the casing, oil mist filter core lower extreme with base upper end intercommunication, the oil trap with the oil catcher intercommunication, oil catcher lateral wall lower part intercommunication is provided with back oil pipe, it sets up manual ball valve to return oil pipe, the apron is fixed in oil mist filter core upper end.

Preferably, the upper end of the base is provided with a thread structure, the upper end and the lower end of the oil mist filter element are provided with thread structures, and the cover plate is internally provided with threads.

In any of the above schemes, preferably, the oil collector is a closed container with a hollow inside, and the upper surface of the oil collector is provided with air holes.

Preferred in above-mentioned arbitrary scheme, the oil collector still includes light source, battery, wire, kickboard and guide bar, the light source set up in the oil collector upper surface, the battery set up in the oil collector upper surface, the wire is connected the light source with the battery, the wire both ends are passed the oil collector upper surface to the inside extension of oil collector, the guide bar fixed set up in inside the oil collector, the kickboard is provided with the through-hole, the kickboard with the guide bar cover is established.

In any of the above aspects, it is preferable that the upper surface of the floating plate is provided with a conductive coating.

In any of the above aspects, preferably, the light source is an LED bulb.

The utility model provides a pair of oil mist recovery unit of oil spout screw vacuum pump, through the oil trap and the oil collector that oil mist filter core lower extreme set up, can realize that oily waste gas is after the processing of oil mist filter core, can collect and oil content wherein, is that the oil content of retrieving realizes recycling in being guided into the vacuum pump system once more, the utility model has the advantages of reasonable structure, the dismouting is simple, can reduce the vacuum pump system running cost, environmental protection, economy.

Drawings

Fig. 1 is a front view in accordance with the present invention;

fig. 2 is a detailed view of the oil collector according to the present invention.

The figures are labeled as follows: 1. the oil mist filter comprises a shell, 11, an oil mist filter element, 12, a vacuum pump, 13, an oil gas barrel, 2, a fixed pipe, 3, a cover plate, 4, a quick joint, 5, an oil collector, 51, a light source, 52, a battery, 53, a lead, 54, a floating plate, 55, a guide rod, 6, a manual ball valve, 7 and an oil return pipe.

Detailed Description

In order to further understand the inventive content of the present invention, the present invention will be explained in detail with reference to the specific embodiments.

As shown in figure 1, the oil mist recovery device of the oil-injection screw vacuum pump provided by the utility model comprises a shell 1, an oil mist filter element 11, an oil collector 5, a base 2 and a cover plate 3, wherein the base 2 is of a hollow tubular structure, the lower end of the base 2 is connected with an oil gas barrel 13 through a flange for guiding the abandonment of oil content, an oil collecting tank 8 is fixedly arranged at the upper part of the base 2, openings are arranged at the upper end and the lower end of the shell 1, the oil mist filter element 11 penetrates through the shell 1, the lower end of the oil mist filter element 11 is communicated with the upper end of the base 2 through threads, the oil collecting tank 8 is communicated with the oil collector 5 through a pipeline, an oil return pipe 7 is communicated with the lower part of the side wall of the oil collector 5, the downstream end of the oil return pipe 7 is connected with the inside of the vacuum pump 12 through a quick structure 4, the recovered oil can be led into a system again to, the cover plate 3 is fixed at the upper end of the oil mist filter element 1 through threads, so that the position of the shell 1 can be fixed.

As shown in fig. 2, the oil collector 5 is a closed container with a hollow interior, the upper surface of the oil collector 5 is provided with an air hole for balancing the air pressure inside the oil collector, the oil collector 5 further includes a light source 51, a battery 52, a lead 53, a floating plate 54 and a guide rod 55, the light source 51 is disposed on the upper surface of the oil collector 5, the battery 52 is disposed on the upper surface of the oil collector 5, the lead is connected to the light source 51 and the battery 52, two ends of the lead 53 pass through the upper surface of the oil collector 5 and extend towards the interior of the oil collector 5, the guide rod 55 is fixedly disposed inside the oil collector 5, the floating plate 54 is provided with a through hole, the floating plate 54 and the guide rod sleeve 55 are disposed, the floating plate 54 is made of a material with a density less than that of oil content, the upper surface is covered with a conductive coating, when the conductive coating is in contact with the lead 53, the light source 51 is preferably an LED bulb.

Examples

When the oil injection screw vacuum pump operates, firstly, air containing oil content is discharged from the oil cylinder 13 and enters the oil mist filter element 11 connected with the oil injection screw vacuum pump through the base 2, the oil content in the air is changed into oil drops by the oil mist filter element 11, the oil drops slide into the oil collecting tank 8 below the shell 1 and then flow into the oil collector 5 through a pipeline, the oil surface supports the floating plate 54 to ascend along with the increase of the content of recovered oil in the oil collector 5, when the floating plate 54 ascends to a certain height, the conductive coating covered on the upper surface of the floating plate 54 is in contact with the two ends of the lead 53, so that the lead 53, the battery 52 and the light source 51 form an electric circuit, and at the moment, the battery 52 can provide energy for the light source 51, so that the light source 51 emits light to remind a worker to start the manual ball valve 6 to enable the recovered oil in the oil collector 5 to.

When the oil mist filter element 11 needs to be replaced, the lower cover plate 3 is firstly removed, then the shell 1 is taken down, and the oil mist filter element 11 is replaced.

Any combination of the inventive concepts and the detailed description of the invention and the accompanying drawings as illustrated in the description of the invention is not intended to be limited to the details shown and described, nor is the combination intended to serve as a shorthand description of all aspects of the invention. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The oil mist recovery device of the oil injection screw vacuum pump is characterized by comprising a shell, an oil mist filter element, an oil collector, a base and a cover plate, wherein the base is of a hollow tubular structure, an oil collecting groove is fixedly formed in the upper portion of the base, openings are formed in the upper end and the lower end of the shell, the oil mist filter element penetrates through the shell, the lower end of the oil mist filter element is communicated with the upper end of the base, the oil collecting groove is communicated with the oil collector, an oil return pipe is arranged in the lower portion of the side wall of the oil collector in a communicated mode, a manual ball valve is arranged on the oil return pipe, and the.

2. An oil mist recovery device for an oil injection screw vacuum pump as claimed in claim 1, wherein the upper end of the base is provided with a thread structure, the upper end and the lower end of the oil mist filter element are provided with thread structures, and the cover plate is provided with threads.

3. An oil mist recovery device for an oil-injected screw vacuum pump as claimed in claim 1, wherein the oil collector is a closed container with a hollow interior, and the upper surface of the oil collector is provided with air holes.

4. The oil mist recovery device of an oil-injected screw vacuum pump as claimed in claim 2, wherein the oil collector further comprises a light source, a battery, a wire, a floating plate and a guide rod, the light source is arranged on the upper surface of the oil collector, the battery is arranged on the upper surface of the oil collector, the wire is connected with the light source and the battery, two ends of the wire penetrate through the upper surface of the oil collector to extend towards the inside of the oil collector, the guide rod is fixedly arranged inside the oil collector, the floating plate is provided with a through hole, and the floating plate is sleeved with the guide rod.

5. The oil mist recovery device of an oil-injected screw vacuum pump as claimed in claim 4, wherein the upper surface of the floating plate is provided with a conductive coating.

6. The oil mist recovery device of an oil-injected screw vacuum pump as claimed in claim 4, wherein the light source is an LED bulb.