CN109209874B

CN109209874B - Screw air compressor

Info

Publication number: CN109209874B
Application number: CN201811225375.2A
Authority: CN
Inventors: 冯顺全; 聂昌均; 赖友荣; 韩洪东
Original assignee: Guangdong Ecoair Equipment Technology Co ltd
Current assignee: Guangdong Ecoair Equipment Technology Co ltd
Priority date: 2018-10-20
Filing date: 2018-10-20
Publication date: 2020-05-12
Anticipated expiration: 2038-10-20
Also published as: CN109209874A

Abstract

The invention discloses a screw air compressor, which comprises a machine body, wherein a base is arranged at the bottom of the machine body, a machine cover is arranged in the machine body, a male rotor is arranged in the machine cover and is meshed with a female rotor, one end of the male rotor is connected with the machine cover through a bearing, the other end of the male rotor is provided with a driving wheel, the driving wheel is meshed with a driven wheel, dust in air is filtered by arranging a filter element and a second air duct, so that the phenomenon that pits appear on the surfaces of the female rotor and the male rotor due to the fact that the female rotor and the male rotor are directly contacted with the dust or tiny gravels is avoided, meanwhile, the heat dissipation efficiency of the machine cover can be increased by arranging cooling fins on the side wall of the machine cover, meanwhile, the heat conduction speed of the cooling fins can be increased due to the fact that copper cores are embedded in the, and then the air that makes to get into in the aircraft bonnet can directly cool down negative rotor and positive rotor, and then has improved the cooling effect.

Description

Screw air compressor

Technical Field

The invention relates to the technical field of air compressors, in particular to a screw type air compressor.

Background

An air compressor is a device for compressing gas. The air compressor is constructed similarly to a water pump. Most air compressors are reciprocating piston type, rotating vane or rotating screw. Centrifugal compressors are very large applications. The screw air compressor is configured by a pre-manufactured screw air compressor, only needs single power supply connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified. The screw air compressor consistently provides high-quality compressed air for various industries due to the advantages of high efficiency, no maintenance, high reliability and the like. The screw air compressor adopts a pre-set configuration, only needs single power supply connection and compressed air connection, and is internally provided with a cooling system, so that the installation work is greatly simplified.

When present screw compressor is using, the inside negative rotor and the positive rotor of screw compressor can constantly extrude the air, and then negative rotor and the positive rotor that make can produce high temperature after long-time operation, and if not in time dispel the heat to negative rotor and positive rotor, negative rotor and positive rotor can take place to warp or produce the crackle after having accumulated a large amount of heats, and then lead to negative rotor and positive rotor to damage, and current cooling system can't carry out direct cooling to negative rotor and positive rotor, and then lead to cooling system's cooling effect to reduce by a wide margin, current screw compressor lacks filter equipment simultaneously, and then make a large amount of dust or small grit of air get into in the screw compressor, and then make negative rotor and positive rotor because dust or small grit in the air, pit appears or is corroded by the dust on negative rotor and positive rotor surface.

Disclosure of Invention

The invention aims to provide a screw air compressor, which filters dust in air by arranging a filter element and a second air duct, thereby avoiding the phenomenon that pits appear on the surfaces of a female rotor and a male rotor due to the fact that the female rotor and the male rotor are directly contacted with the dust or tiny gravels, simultaneously increasing the heat dissipation efficiency of a hood by arranging heat dissipation fins on the side wall of the hood, simultaneously increasing the heat conduction speed of the heat dissipation fins due to the fact that copper cores are embedded in the heat dissipation fins, cooling the air entering the hood by arranging a cooling box, further directly cooling the female rotor and the male rotor by the air entering the hood, further improving the cooling effect, further avoiding the phenomenon that the female rotor or the male rotor is deformed or cracks appear on the surface due to high temperature caused by poor cooling effect, and simultaneously drying the air entering the hood by arranging a drying box, and then avoided because the air that gets into in the aircraft bonnet contains a large amount of moisture and causes the phenomenon of corroding to negative rotor or positive rotor, can collect the comdenstion water that the condenser produced together through installing the water storage bucket simultaneously.

In order to achieve the purpose, the invention provides the following technical scheme: screw air compressor, including the organism, the organism bottom sets up the base, the organism is inside to set up the aircraft bonnet, the aircraft bonnet is inside to install male rotor, male rotor meshes with female rotor, male rotor one end through the bearing with the aircraft bonnet is connected, male rotor other end installation action wheel, the action wheel meshes with from the driving wheel, the action wheel passes through the shaft coupling and is connected with the prime mover, the aircraft bonnet bottom sets up the blast pipe, the aircraft bonnet top sets up first intake pipe, the first intake pipe end of giving vent to anger inserts the aircraft bonnet inside, the first intake pipe inlet end inserts in the drying cabinet, the drying cabinet is inside to divide into air storage chamber and cavity, and separate through the baffle between air storage chamber and the cavity, the drying cabinet is inside to insert the outlet duct, the end of giving vent to anger of outlet duct is located the cavity, the inlet end of, the cooling box is internally provided with a condenser, the bottom of the cooling box is provided with a drain pipe, the water outlet end of the drain pipe is inserted into the water storage barrel, one side of the cooling box is inserted with a first air guide pipe, the air inlet end of the first air guide pipe is connected with the air outlet end of a second air guide pipe, the air inlet end of the second air guide pipe is connected with the air outlet end of a second air inlet pipe, and the air inlet end of the second air inlet pipe is provided with a filter element.

Preferably, the inside second through-hole that sets up of baffle, second through-hole one side sets up three first through-hole, just the outlet duct inserts in the second through-hole, just the diameter of second through-hole is the same with the external diameter size of outlet duct, just the cavity is inside to be filled has active carbon, just all be zonulae occludens between first intake pipe and the drying cabinet and between outlet duct and the drying cabinet.

Preferably, the second air duct is tightly connected with the first air duct and the second air inlet pipe, the second air duct is 6-shaped, and the first air duct and the air outlet pipe are positioned on two sides of the cooling box.

Preferably, the lateral wall of the hood is provided with a plurality of radiating fins, the radiating fins and the hood are welded, and copper cores are embedded in the radiating fins.

Preferably, one end of the female rotor is connected with the hood through a bearing, the other end of the female rotor is provided with a driven wheel, and the rotation direction of the female rotor is opposite to that of the male rotor.

Preferably, the cavity is located below the gas storage chamber, the gas inlet end of the first gas inlet pipe is inserted into the gas storage chamber, and the gas outlet end of the gas outlet pipe is inserted into the cavity.

Preferably, the filter element is arranged on the outer side wall of the machine body, the filter element is connected with the machine body through a fixing bolt, and the filter element is tightly connected with the machine body.

Preferably, the male rotor is located in the same reference plane as the drive wheel, the coupling and the prime mover, and the coupling and the prime mover are located outside the housing.

Compared with the prior art, the invention has the following beneficial effects:

the invention filters dust in the air by arranging the filter element and the second air duct, thereby avoiding the phenomenon that pits appear on the surfaces of the female rotor and the male rotor due to the fact that the female rotor and the male rotor are directly contacted with the dust or tiny gravels, simultaneously increasing the heat dissipation efficiency of the hood by arranging the heat dissipation fins on the side wall of the hood, simultaneously increasing the heat conduction speed of the heat dissipation fins due to the fact that copper cores are embedded in the heat dissipation fins, cooling the air entering the hood by arranging the cooling box, further directly cooling the female rotor and the male rotor by the air entering the hood, further improving the cooling effect, further avoiding the phenomenon that the female rotor or the male rotor is deformed or cracks appear on the surfaces due to high temperature caused by poor cooling effect, simultaneously drying the air entering the hood by arranging the drying box, and further avoiding the phenomenon that the female rotor or the male rotor is caused by the fact that the air entering the hood contains a large amount of moisture Corrosion, and the condensed water generated by the condenser can be collected together by installing the water storage barrel.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the separator structure of the present invention;

fig. 3 is a schematic view of the structure of the heat sink of the present invention.

In the figure: 1. a base; 2. a body; 3. a hood; 4. an exhaust pipe; 5. a female rotor; 6. a driven wheel; 7. a coupling; 8. a driving wheel; 9. a heat sink; 10. a male rotor; 11. a first intake pipe; 12. a gas storage chamber; 13. a prime mover; 14. a drying oven; 15. a cavity; 16. a partition plate; 17. a water storage barrel; 18. a drain pipe; 19. an air outlet pipe; 20. a cooling tank; 21. a condenser; 22. a first air duct; 23. a second air duct; 24. a filter element; 25. a second intake pipe; 26. a first through hole; 27. a second through hole; 28. a copper core.

Detailed Description

The technical scheme of the invention is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-3, the present invention provides a technical solution: screw air compressor, including organism 2, organism 2 bottom sets up base 1, organism 2 is inside to set up aircraft bonnet 3, aircraft bonnet 3 internally mounted male rotor 10, male rotor 10 meshes with female rotor 5, male rotor 10 one end through the bearing with aircraft bonnet 3 is connected, male rotor 10 other end installation action wheel 8, action wheel 8 meshes with from driving wheel 6, action wheel 8 is connected with prime mover 13 through shaft coupling 7, aircraft bonnet 3 bottom sets up blast pipe 4, aircraft bonnet 3 top sets up first intake pipe 11, first intake pipe 11 gives vent to anger the end and inserts the aircraft bonnet 3 is inside, the first intake pipe 11 inlet end inserts in drying cabinet 14, drying cabinet 14 is inside to be divided into gas storage chamber 12 and cavity 15, and separate through baffle 16 between gas storage chamber 12 and the cavity 15, the inside outlet duct 19 that inserts of drying cabinet 14, the end of giving vent to anger of outlet duct 19 is located cavity 15, the inlet end and the cooler bin 20 of outlet duct 19 are connected, the inside condenser 21 that sets up of cooler bin 20, the cooler bin 20 bottom sets up drain pipe 18, the drain pipe 18 goes out the water end and inserts in the water storage bucket 17, first air duct 22 is inserted to 20 one side of cooler bin, first air duct 22 inlet end and the end of giving vent to anger of second air duct 23 are connected, the inlet end and the end of giving vent to anger of second intake pipe 25 of second air duct 23 are connected, filter core 24 is installed to the inlet end of second intake pipe 25.

The inside second through-hole 27 that sets up of baffle 16, second through-hole 27 one side sets up three first through-hole 26, just outlet duct 19 inserts in the second through-hole 27, just the diameter of second through-hole 27 is the same with the external diameter size of outlet duct 19, just the inside packing of cavity 15 has active carbon, just all be zonulae occludens between first intake pipe 11 and the drying cabinet 14 and between outlet duct 19 and the drying cabinet 14, can dry the air that gets into in the aircraft bonnet 3 through setting up drying cabinet 14 promptly, and then avoided because the phenomenon that contains a large amount of moisture and lead to the fact the corruption to negative rotor 5 or positive rotor 10 in the air in getting into aircraft bonnet 3.

All be zonulae occludens between second air duct 23 and first air duct 22, the second intake pipe 25, just second air duct 23's shape is "6" font, just first air duct 22 is located the both sides of cooler bin 20 with outlet duct 19, and then has avoided making the phenomenon of the pit appear in the surface of negative rotor 5 and positive rotor 10 because of negative rotor 5 and positive rotor 10 direct and dust or little gravel contact.

The lateral wall of the hood 3 is provided with a plurality of radiating fins 9, the radiating fins 9 and the hood 3 are welded, and copper cores 28 are embedded in the radiating fins 9, so that the heat conduction speed of the radiating fins 9 can be increased.

One end of the female rotor 5 is connected with the hood 3 through a bearing, the other end of the female rotor 5 is provided with a driven wheel 6, the rotation direction of the female rotor 5 is opposite to that of the male rotor 10, and the female rotor 5 and the male rotor 10 can compress air in the hood 3.

The cavity 15 is located below the air accumulating chamber 12, the air inlet end of the first air inlet pipe 11 is inserted into the air accumulating chamber 12, and the air outlet end of the air outlet pipe 19 is inserted into the cavity 15.

Filter core 24 installs the lateral wall at organism 2, just through fixing bolt connection between filter core 24 and the organism 2, just be zonulae occludens between filter core 24 and the organism 2, and then avoided making the phenomenon of the pit appear on the surface of negative rotor 5 and positive rotor 10 because of negative rotor 5 and positive rotor 10 direct and dust or small grit contact.

The male rotor 10, the driving wheel 8, the coupler 7 and the prime mover 13 are located in the same reference plane, and the coupler 7 and the prime mover 13 are located on the outer side of the hood 3, so that the prime mover 13 drives the male rotor 10 and the driving wheel 8 to rotate.

The working principle is as follows: when the air compressor is used, the prime motor 13 drives the driving wheel 8 and the male rotor 10 to rotate, the driving wheel 8 drives the driven wheel 6 to rotate, the female rotor 5 rotates, air inside the hood 3 is compressed, then the compressed air is discharged from the exhaust pipe 4, when the air inside the hood 3 is compressed by the female rotor 5 and the male rotor 10, when outside air enters the filter element 24 and enters the second air inlet pipe 25, the filter element 24 filters the air, namely dust or micro-particles in the air are filtered out, then the air in the second air inlet pipe 25 enters the second air guide pipe 23, as the shape of the second air guide pipe 23 is 6-shaped, the dust remaining in the air can be deposited in the second air guide pipe 23 when the air passes through the second air guide pipe 23, then the air in the second air guide pipe 23 flows into the cooling box 20 after passing through the first air guide pipe 22, then the air flowing into the cooling box 20 flows into the air outlet pipe 19 after being cooled by the condenser 21, condensed water generated when the cooling box 20 is cooled by the condenser 21 flows into the water storage barrel 17 through the drain pipe 18, then the air in the air outlet pipe 19 flows into the air storage chamber 12 from the first through hole 26 after being dried by the activated carbon in the cavity 15, then the dried and cooled air in the air storage chamber 12 flows into the first air inlet pipe 11 and further flows into the hood 3, the temperature of the air flowing into the hood 3 is low, so that the female rotor 5 and the male rotor 10 can be rapidly and directly cooled, meanwhile, the dust in the air is filtered by the filter element 24 and the second air guide pipe 23, the phenomenon that pits appear on the surfaces of the female rotor 5 and the male rotor 10 due to the direct contact of the female rotor 5 and the male rotor 10 with the dust or small gravel is avoided, and meanwhile, the heat dissipation efficiency of the hood 3 can be increased by arranging the heat dissipation fins 9 on the side wall of the hood, meanwhile, the heat conduction speed of the heat sink 9 can be increased due to the copper core 28 embedded in the heat sink 9.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. Screw air compressor machine, including organism (2), its characterized in that: the utility model discloses a drying machine, including organism (2), engine body (2) bottom sets up base (1), inside aircraft bonnet (3) that sets up of organism (2), engine bonnet (3) internally mounted male rotor (10), male rotor (10) and female rotor (5) meshing, male rotor (10) one end through the bearing with aircraft bonnet (3) are connected, male rotor (10) other end installation action wheel (8), action wheel (8) and follow driving wheel (6) meshing, action wheel (8) are connected with prime mover (13) through shaft coupling (7), aircraft bonnet (3) bottom sets up blast pipe (4), aircraft bonnet (3) top sets up first intake pipe (11), first intake pipe (11) give vent to anger the end and insert inside aircraft bonnet (3), first intake pipe (11) inlet end inserts in drying cabinet (14), drying cabinet (14) inside divide into gas storage chamber (12) and cavity (15), just separate through baffle (16) between air storage chamber (12) and cavity (15), outlet duct (19) are inserted to drying cabinet (14) inside, the end of giving vent to anger of outlet duct (19) is located cavity (15), the inlet end and the cooler bin (20) of outlet duct (19) are connected, cooler bin (20) inside sets up condenser (21), cooler bin (20) bottom sets up drain pipe (18), drain pipe (18) play water end inserts in water storage bucket (17), first air duct (22) are inserted to cooler bin (20) one side, first air duct (22) inlet end is connected with the end of giving vent to anger of second air duct (23), the inlet end and the end of giving vent to anger of second air duct (23) are connected, filter core (24) are installed to the inlet end of second air intake pipe (25).

2. The screw air compressor of claim 1, wherein: baffle (16) inside second through-hole (27) that sets up, second through-hole (27) one side sets up three first through-hole (26), just in outlet duct (19) insert second through-hole (27), just the diameter of second through-hole (27) is the same with the external diameter size of outlet duct (19), just cavity (15) inside packing has active carbon, just all be zonulae occludens between first intake pipe (11) and drying cabinet (14) and between outlet duct (19) and drying cabinet (14).

3. The screw air compressor of claim 1, wherein: the second air duct (23) is tightly connected with the first air duct (22) and the second air inlet pipe (25), the second air duct (23) is 6-shaped, and the first air duct (22) and the air outlet pipe (19) are positioned on two sides of the cooling box (20).

4. The screw air compressor of claim 1, wherein: the aircraft bonnet (3) lateral wall is equipped with a plurality of fin (9), just for the welding between fin (9) and aircraft bonnet (3), just inside the inlaying of fin (9) has copper core (28).

5. The screw air compressor of claim 1, wherein: one end of the female rotor (5) is connected with the hood (3) through a bearing, the other end of the female rotor (5) is provided with the driven wheel (6), and the rotation direction of the female rotor (5) is opposite to that of the male rotor (10).

6. The screw air compressor of claim 1, wherein: the cavity (15) is positioned below the air storage chamber (12), the air inlet end of the first air inlet pipe (11) is inserted into the air storage chamber (12), and the air outlet end of the air outlet pipe (19) is inserted into the cavity (15).

7. The screw air compressor of claim 1, wherein: the filter element (24) is arranged on the outer side wall of the machine body (2), the filter element (24) is connected with the machine body (2) through a fixing bolt, and the filter element (24) is tightly connected with the machine body (2).

8. The screw air compressor of claim 1, wherein: the male rotor (10) and the driving wheel (8), the coupler (7) and the prime motor (13) are located on the same reference plane, and the coupler (7) and the prime motor (13) are located on the outer side of the hood (3).