CN217206877U

CN217206877U - Screw air compressor

Info

Publication number: CN217206877U
Application number: CN202221099022.4U
Authority: CN
Inventors: 平书年; 刘生勇
Original assignee: Qianjiang Zhengsheng Luxury Aluminum Power Co ltd
Current assignee: Qianjiang Zhengsheng Luxury Aluminum Power Co ltd
Priority date: 2022-05-06
Filing date: 2022-05-06
Publication date: 2022-08-16
Anticipated expiration: 2032-05-06

Abstract

A screw air compressor comprises an air filter, a screw compression main machine, an oil-gas separation tank and a cooler which are sequentially communicated, wherein after oil gas in the screw compression main machine enters the oil-gas separation tank to be separated, pure air and oil liquid respectively flow to the cooler through a first exhaust pipe and an oil exhaust pipe to be cooled, the cooled air is exhausted to an air storage tank through a second exhaust pipe to be stored, and the cooled oil liquid flows back to the screw compression main machine through an oil return pipe to be repeatedly used; the mouth of pipe of air cleaner intake pipe is provided with the filter screen, and the outside lid of filter screen is equipped with self-cleaning lid. This air compressor machine sets up air cleaner before compressed air, carries out oil-gas separation and cooling to the air after the compression, has effectively improved the cleanliness of air, has reduced the temperature of air.

Description

Screw air compressor

Technical Field

The utility model relates to a screw compressor belongs to air compressor machine technical field.

Background

The air compressor is a device for compressing air, and only three types of devices, namely a reciprocating piston type device, a rotary vane type device or a rotary screw type device, are adopted. Screw air compressor belongs to one kind of air compressor machine, and current screw air compressor machine still has some weak points, before extracting and compressing the air, can not filter the air and purify, can not improve the air quality after the compression for impurity, acid-base material and the large granule in the air cause the damage to equipment, and current air compressor machine has the thermal diffusivity relatively poor simultaneously, and is inconvenient to use.

SUMMERY OF THE UTILITY MODEL

The utility model aims at the above-mentioned defect of prior art, provide an air purification is effectual, and possesses good heat-sinking capability's screw air compressor machine.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a screw compressor comprises an air filter, a screw compression main machine, an oil-gas separation tank and a cooler which are sequentially communicated, wherein oil gas in the screw compression main machine enters the oil-gas separation tank and is separated, pure air and oil respectively flow to the cooler through a first exhaust pipe and an oil exhaust pipe for cooling, the cooled air is exhausted to an air storage tank through a second exhaust pipe for storage, and the cooled oil flows back to the screw compression main machine through an oil return pipe for reuse; the mouth of pipe of air cleaner intake pipe is provided with the filter screen, the outside lid of filter screen is equipped with self-cleaning lid, self-cleaning lid is through fixed and installing at the mouth of pipe of intake pipe with the ring, the ring can freely rotate in the intake pipe, self-cleaning lid includes outer ring spare, middle part support and equant radial arrangement in outer ring spare and the middle part support between oblique scraper blade, oblique scraper blade is that the slant is settled in outer ring spare and middle part support, when air high-speed entering intake pipe was interior, the air that flows at a high speed makes self-cleaning lid take place the rotation through promoting oblique scraper blade, at this moment, the oblique scraper blade that removes then can clear away the apparent impurity of filter screen.

Through adopting above-mentioned technical scheme, a screw compressor machine is provided, this air compressor machine set up air cleaner before compressed air, carry out oil-gas separation and cooling to the air after the compression, effectively improved the cleanliness of air, reduced the temperature of air, have outstanding practicality.

The utility model discloses a further set up to: the inner side of the inclined scraper is provided with bristles for brushing the filter screen.

Through adopting above-mentioned technical scheme, set up the brush hair in the inboard of oblique scraper blade, effectively improved the ability that oblique scraper blade clears away filter screen outward appearance impurity, can reach clean air's effect, can also effectively guarantee smoothly to admit air.

The utility model discloses a further set up to: pure air in the oil-gas separation tank flows into the cooler for cooling through the first exhaust pipe after passing through the minimum pressure valve.

Through adopting above-mentioned technical scheme, provide a concrete exhaust pipe.

The utility model discloses a further set up to: the oil-containing air in the oil-gas separation tank flows back to the screw compression main machine for repeated use through an oil-gas return pipe, and a check valve is arranged on the oil-gas return pipe.

Through adopting above-mentioned technical scheme, a concrete oil gas return line is provided.

The utility model discloses a further set up to: the oil-gas separation tank is provided with a pressure release valve.

By adopting the technical scheme, the condition of overhigh pressure in the oil-gas separation tank is effectively avoided, and the safety is improved.

The utility model discloses a further set up to: an oil filter is arranged on the oil return pipe.

Through adopting above-mentioned technical scheme, set up oily filter on returning oil pipe, can effectively guarantee the cleanliness of the lubricating oil after retrieving.

The utility model discloses main beneficial effect is:

1. the novel air compressor is provided with the air filter before compressing air, and the compressed air is subjected to oil-gas separation and cooling, so that the cleanliness of the air is effectively improved, and the temperature of the air is reduced;

2. this novel air compressor machine sets up the brush hair in the inboard of oblique scraper blade, has effectively improved the ability that oblique scraper blade clears away filter screen outward appearance impurity, can reach clean air's effect, can also effectively guarantee smoothly to admit air.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is an enlarged view of the point A of the present invention;

figure 3 is a front view of a self-cleaning cover plate of the present invention (the arrow indicates the direction of rotation of the self-cleaning cover plate when air is admitted).

In the figure, 1, an air filter; 2. an intake valve; 3. a screw compression host; 4. an oil-gas separation tank; 5. a cooler; 6. oil gas inlet pipe; 7. a first straight exhaust pipe; 8. a second exhaust pipe; 9. an oil discharge pipe; 10. an oil return pipe; 11. an oil filter; 12. oil gas return pipe; 13. a one-way valve; 14. a pressure relief valve; 15. a minimum pressure valve; 16. a self-cleaning cover; 17. an air inlet pipe; 18. filtering with a screen; 19. a circular ring; 161. an outer ring member; 162. supporting the middle part; 163. an inclined scraper.

Detailed Description

The technical solution of the present invention will be clearly and completely described below with reference to the specific embodiments. It is obvious that the described embodiments are only some of the embodiments of the present invention, and not all of them. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

The first embodiment is as follows:

as shown in fig. 1 to 3, a screw compressor, including air cleaner 1 that switches on in order, screw compressor host 3, oil-gas separation tank 4 and cooler 5, the oil gas in screw compressor host 3 gets into oil-gas separation tank 4 after the separation, pure air and fluid flow direction cooler 5 through first blast pipe 7 and oil extraction pipe 9 respectively cools off, the air after the cooling is arranged the gas holder through second blast pipe 8 and is stored, the fluid after the cooling flows back to reuse in screw compressor host 3 through returning oil pipe 10, pure air in oil-gas separation tank 4 is after minimum pressure valve 15, flow into cooler 5 through first blast pipe 7 again and cool off. The oil-containing air in the oil-gas separation tank 4 flows back to the screw compression main machine 3 through an oil-gas return pipe 12 for repeated use, and the oil-gas return pipe 12 is provided with a one-way valve 13. The oil-gas separation tank 4 is provided with a relief valve 14, and the oil return pipe 10 is provided with an oil filter 11.

The nozzle of the air inlet pipe 17 of the air cleaner 1 is provided with a filter screen 18, the outer side cover of the filter screen is provided with a self-cleaning cover 16, the self-cleaning cover 16 is fixedly arranged at the nozzle of the air inlet pipe 17 through a circular ring 19, the circular ring 19 can freely rotate on the air inlet pipe 17, the self-cleaning cover 16 comprises an outer ring piece 161, a middle support 162 and an inclined scraper 163 equally and radially arranged between the outer ring piece 16 and the middle support 162, the inclined scraper 163 is obliquely arranged on the outer ring piece 16 and the middle support 162, and bristles for brushing the filter screen 18 are arranged on the inner side of the inclined scraper 163. When air enters the air inlet pipe 17 at a high speed, the air flowing at a high speed rotates the self-cleaning cover 16 by pushing the inclined scraper 163, and at this time, the moving inclined scraper can remove impurities on the outer surface of the filter screen 18.

When the air purifier is used, air is filtered to remove larger impurities through the pipe orifice filter screen 18 of the air inlet pipe 17, the self-cleaning cover 16 rotates under the action of high-pressure air inlet to clean the filter screen 18, the air passing through the filter screen 18 enters the screw compression main machine 3 through the air filter 1 to be pressurized, the pressurized oil gas enters the oil gas separation tank 4 through the oil gas inlet pipe 6 to be subjected to oil gas separation, the separated pure air enters the cooler 5 through the first straight exhaust pipe 7 with the minimum pressure valve to be cooled, and the cooled air is discharged to the air storage tank through the second exhaust pipe 8 to be stored; oil in the oil-gas separation tank 4 enters the cold zone device 5 through the oil discharge pipe 9 for cooling, and the cooled oil flows back to the screw compression host 3 through the oil return pipe 10 with the oil filter 11 for reuse; the oil gas which is not separated in the oil gas separation tank 4 flows back to the screw compression main machine 3 for recovery through an oil gas return pipe 12 with a one-way valve 13.

Claims

1. The utility model provides a screw compressor machine which characterized in that: the oil-gas separator comprises an air filter (1), a screw compression host (3), an oil-gas separation tank (4) and a cooler (5) which are sequentially communicated, wherein after oil-gas in the screw compression host (3) enters the oil-gas separation tank (4) and is separated, pure air and oil respectively flow to the cooler (5) through a first exhaust pipe (7) and an oil exhaust pipe (9) to be cooled, the cooled air is exhausted to an air storage tank through a second exhaust pipe (8) to be stored, and the cooled oil flows back to the screw compression host (3) through an oil return pipe (10) to be reused; a filter screen (18) is arranged at the opening of the air inlet pipe (17) of the air filter (1), the outer side cover of the filter screen is provided with a self-cleaning cover (16), the self-cleaning cover (16) is fixed with a circular ring (19) and is arranged at the nozzle of an air inlet pipe (17), the circular ring (19) can freely rotate on the air inlet pipe (17), the self-cleaning cover (16) comprises an outer ring piece (161), a middle support (162) and inclined scrapers (163) which are equally and radially arranged between the outer ring piece (161) and the middle support (162), the inclined scraper (163) is obliquely arranged on the outer ring piece (161) and the middle support (162), when air enters the air inlet pipe (17) at a high speed, the air flowing at the high speed drives the inclined scraper (163) to rotate the self-cleaning cover (16), and at the moment, the moving inclined scraper can remove impurities on the outer surface of the filter screen (18).

2. The screw air compressor of claim 1, wherein: bristles for brushing the filter screen (18) are arranged on the inner side of the inclined scraper (163).

3. The screw air compressor of claim 1, wherein: pure air in the oil-gas separation tank (4) flows into the cooler (5) through the first exhaust pipe (7) for cooling after passing through the minimum pressure valve (15).

4. The screw air compressor of claim 3, wherein: the oil-containing air in the oil-gas separation tank (4) flows back to the screw compression main machine (3) through the oil-gas return pipe (12) for repeated use, and the oil-gas return pipe (12) is provided with a one-way valve (13).

5. The screw air compressor of claim 4, wherein: and the oil-gas separation tank (4) is provided with a pressure release valve (14).

6. The screw air compressor of claim 1, wherein: an oil filter (11) is arranged on the oil return pipe (10).