CN212337641U

CN212337641U - Direct-connection-driven oil-free screw compressor complete machine structure

Info

Publication number: CN212337641U
Application number: CN202022158326.0U
Authority: CN
Inventors: 毛羽虎
Original assignee: Jiangsu Aichuan Machinery Co ltd
Current assignee: Jiangsu Aichuan Machinery Co ltd
Priority date: 2020-09-27
Filing date: 2020-09-27
Publication date: 2021-01-12
Anticipated expiration: 2030-09-27

Abstract

The utility model provides a direct connection driven oil-free screw compressor complete machine structure, includes sound-proof housing, host computer, shaft coupling, motor, host computer, shaft coupling and motor all set up on the base, the host computer pass through the shaft coupling and link to each other with the motor, the host computer inlet end be provided with the intake pipe, the intake pipe tip is provided with the muffler filter that admits air, host computer exhaust end be provided with the blast pipe, the blast pipe tip is provided with the exhaust muffler, the other one end of exhaust muffler be provided with exhaust manifold, link to each other with exhaust manifold and be provided with the check valve, the check valve outside is provided with the expansion joint, exhaust manifold top still install relief valve, off-load valve respectively. The invention has compact structure, particularly a separated main engine cold air inlet, effectively reduces the temperature in the cover, improves the use efficiency of the main engine, is favorable for disassembly and assembly during maintenance due to the bent pipe type air inlet pipe and the exhaust pipe, prevents foreign matters from entering the inside of the main engine due to the installation mode of the bottom suction type air inlet silencer, and improves the use safety of the main engine.

Description

Direct-connection-driven oil-free screw compressor complete machine structure

Technical Field

The utility model relates to a compressor technical field especially relates to a direct connection driven does not have oily screw compressor complete machine structure.

Background

Oil-free screw compressors and fans are used as positive displacement compressors, and generally, the lower the inlet air temperature is, the higher the air density is, the larger the volume flow is, the higher the efficiency of the compressor is, and the arrangement of the inlet air is important. Oil-free screw compressor and fan complete machine have contained the motor, admit air the muffler, the filter, the muffler that exhausts, parts such as relief valve, check valve, and maintenance work is indispensable, will conveniently maintain as far as possible in the complete machine is arranged, and area is few. Oil-free screw compressor and fan can constantly give off the heat in work, if these heats distribute away in time, perhaps these heats mix with admitting air, will lead to equipment overheated to cause danger, and the performance and the safety of complete machine are also directly influenced to the good or bad of cooling flow channel design. When the existing oil-free screw compressor and the fan adopt a direct connection driving scheme, particularly, the upper part of the compressor is directly provided with pipe fittings and accessories, such as an air inlet silencer filter, an exhaust silencer, a cooler, a safety valve, a one-way valve and the like, and the accessories are directly arranged on the upper part of a main machine of the compressor. The compressor directly admits air in the cover, and the temperature of the admitted air is high, resulting in a reduction in efficiency. The heavy accessory is installed on the compressor host computer, and the renew cartridge, daily inspection and when breaking down the inside very difficulty that all becomes of inspection host computer need demolish all accessories at top, except that work load is big, still need lift by crane the cooperation of equipment. After inspection and maintenance, recovery work is also complicated. In addition, the accessory is directly arranged on the upper part of the main machine, such as an air inlet silencer and an exhaust silencer, so that foreign matters enter the compressor body during installation, and the compressor is blocked and breaks down. Even if the foreign matter is found in time, the removal of the foreign matter is extremely difficult, and the host needs to be disassembled to remove the foreign matter in addition to removing the accessories.

SUMMERY OF THE UTILITY MODEL

In view of the above problems, the utility model aims at providing a direct connection driven oil-free screw compressor complete machine structure that easy dismounting, the maintenance of being convenient for, the fault rate is low.

The utility model adopts the technical proposal that: the utility model provides a direct connection driven oil-free screw compressor complete machine structure, includes sound-proof housing, automatically controlled cabinet, the muffler filter that admits air, intake pipe, exhaust muffler, blast pipe, expansion joint, relief valve, off-load valve, check valve, fan, instrument cabinet, host computer, shaft coupling, motor, the sound-proof housing in the bottom be provided with the base, host computer, shaft coupling and motor all set up on the base, the host computer pass through the shaft coupling and link to each other with the motor, host computer inlet end be provided with the intake pipe, the intake pipe tip is provided with the muffler filter that admits air, host computer exhaust end be provided with the blast pipe, the blast pipe tip is provided with the exhaust muffler, the other one end of exhaust muffler be provided with exhaust manifold, link to each other with exhaust manifold and be provided with the check valve, the expansion joint is provided with in the check valve outside, the unloading valve, automatically controlled cabinet and instrument cabinet integrated in the sound-proof housing, its characterized in that: the upper positions of the left side and the right side of the sound-proof shield are respectively provided with an air inlet grille and an air exhaust grille.

As a preferred scheme, a first wind shield is arranged on one side, close to the air inlet grille, in the sound-proof housing, the bottom of the first wind shield is a preset distance away from the inner bottom surface of the sound-proof housing, and the first wind shield and the inner wall of the sound-proof housing form a cold air channel.

Preferably, a second wind deflector is arranged inside the sound-proof housing and close to one side of the air exhaust grille.

Preferably, the bottom of the sound-proof housing is provided with an air inlet of a filter of the compressor and is connected with an air inlet of a filter of the air inlet silencer.

Preferably, the bottom of the sound-proof housing is provided with a cooling air inlet of the compressor.

As a preferred scheme, the air inlet pipe and the air outlet pipe are both bent pipes.

Preferably, the inlet opening of the inlet silencer filter connected with the inlet pipe faces downwards.

Preferably, the exhaust muffler connected to the exhaust pipe has an exhaust port facing downward.

Preferably, the fan and the host are fixedly installed in a direct connection mode.

As a preferred scheme, the motor drives the main machine to rotate, so that the fan is driven to operate.

Compared with the prior art, the utility model, have the advantage of following several aspects: 1. the air inlet of the compressor main machine is arranged at the coldest end, the gas density is high, the volume flow in unit time is large, and the volume efficiency is high; 2. the air inlet of the compressor main machine is separated from the cooling air of the compressor, and does not generate convection heat exchange with the hot air emitted by the compressor and the motor; 3. the air inlet silencer is arranged beside the main machine, so that the filter element is convenient to replace, and the weight lifting operation is not needed; 4. the air inlet silencer is arranged beside the main machine, so that foreign matters cannot fall into the main machine during installation, and in addition, the air suction is sucked up from the bottom, so that the foreign matters cannot be sucked into the main machine; 5. the exhaust silencer is arranged beside the main machine, so that no foreign matter falls into the main machine during installation, and the silencer, a safety valve and other accessories do not need to be removed when daily maintenance and fault occur and the interior of the main machine needs to be checked, thereby reducing the workload; 6. the exhaust silencer is arranged beside the main machine, and the cooperation of hoisting equipment is not needed when the routine maintenance and the fault are required to be checked in the main machine; 7. the unloading valve discharges hot air flow and is arranged on the outermost side of the exhaust end in the working process of the safety valve, the temperature in the cover cannot be influenced by backflow, and meanwhile, the unloading valve is convenient to maintain.

Drawings

FIG. 1 is a front view of the structure of a direct-coupled oil-free screw compressor of the present invention;

FIG. 2 is a top view of the present invention with the top cover plate of the sound enclosure removed;

FIG. 3 is a cross-sectional view A-A of FIG. 2;

FIG. 4 is a cross-sectional view B-B of FIG. 2;

fig. 5 is a cross-sectional view taken along line C-C of fig. 2.

In the figure: 1 sound-proof housing, 2 electric control cabinets, 3 air inlet silencer filters, 4 air inlet pipes, 5 exhaust silencers, 6 exhaust pipes, 7 expansion joints, 8 safety valves, 9 unloading valves, 10 one-way valves, 11 fans, 12 instrument cabinets, 13 main machines, 14 couplers and 15 motors.

Detailed Description

The technical scheme is further explained by combining the attached drawings.

As shown in fig. 1 to 5, a schematic diagram of a whole structure of a direct-coupled oil-free screw compressor includes a soundproof cover 1, an electric control cabinet 2, an intake silencer filter 3, an intake pipe 4, an exhaust silencer 5, an exhaust pipe 6, an expansion joint 7, a safety valve 8, an unloading valve 9, a one-way valve 10, a fan 11, an instrument cabinet 12, a host 13, a coupler 14, and a motor 15, a base 107 is disposed at the bottom of the soundproof cover 1, the host 13, the coupler 14, and the motor 15 are all disposed on the base 107, the host 13 is connected with the motor 15 through the coupler 14, the intake end of the host 13 is provided with the intake pipe 4, the end of the intake pipe 4 is provided with the intake silencer filter 3, the exhaust end of the host 13 is provided with the exhaust pipe 6, the end of the exhaust pipe 6 is provided with the exhaust silencer 5, the other end of the exhaust silencer 5, an expansion joint 7 is arranged on the outer side of the one-way valve 10, a safety valve 8 and an unloading valve 9 are further respectively arranged above the exhaust manifold 61, and the electric control cabinet 2 and the instrument cabinet 12 are integrated in the sound-proof housing 1.

An air inlet grille 105 and an air exhaust grille 106 are respectively arranged at the upper positions of the left side and the right side of a sound-proof cover 1, a first air baffle 101 is arranged at one side of the interior of the sound-proof cover 1 close to the air inlet grille 105, a preset space is arranged at the bottom of the first air baffle 101 and the inner bottom surface of the sound-proof cover 1, a cold air channel is formed by the first air baffle 101 and the inner wall of the sound-proof cover 1, a second air baffle 102 is arranged at one side of the interior of the sound-proof cover 1 close to the air exhaust grille 106, an air inlet 103 of a compressor filter is arranged at the bottom of the sound-proof cover 1 and is connected with an air inlet silencer filter 3, a cooling air inlet 104 of the compressor is arranged at the bottom of the sound-proof cover 1, an air inlet opening of the air inlet silencer filter 3 connected with an air inlet pipe 4 faces downwards, an, the direct-connection mechanical fan 11 is simple and reliable, does not need power supply, particularly in an explosion-proof area, does not need the explosion-proof design of the motor 15 and the electric control cabinet 2, reduces the cost and improves the stability.

Especially intake pipe 4 and blast pipe 6 are the return bend setting, the benefit that sets up like this, intake silencer filter 3 and exhaust silencer 5 can all install in the outside of host computer 13, the air inlet opening of the 3 installation directions of intake silencer filter that this structure set up faces down, the gas vent links to each other with intake pipe 4 in the side that is close to the top, when the filter core in the silencer filter 3 of admitting air is changed, only need open the apron at intake silencer filter 3 top, take out the filter core that needs to be changed, down put into new filter core from last again, cover the apron and can accomplish the filter core installation, this mode installation filter core is more convenient, need not to lift the weight operation.

Specifically, as shown by the arrow in the figure, the arrow direction is the air flowing direction, external cold air enters the inside of the sound-proof housing 1 from the air inlet grille 105, firstly passes through a cold air channel formed by the first wind shield 101 and the sound-proof housing 1, then is divided into two paths, one path of cold air enters the air inlet 103 of the filter of the compressor, then enters the filter 3 of the air inlet silencer from bottom to top, enters the main machine 13 through the air inlet pipe 4 for compression, the compressed air passes through the exhaust pipe 6, then passes through the exhaust silencer 5 for silencing, and then is discharged into an external system connected with the expansion joint 7 through the one-way valve 10; in addition, a path of cold air enters the system through a compressor cooling air inlet 104 to dissipate heat of heat generating components such as the main machine 13 and the motor 15 in the operation process, the heat dissipated and the hot air formed by the heat exchange with the air are led out through the fan 11, the hot air is discharged from a space formed between the lower side of the second air baffle 102 and the soundproof cover 1, finally passes through the installation position spaces of the safety valve 8 and the unloading valve 9, and is subjected to heat exchange and temperature reduction on the safety valve 8 and the unloading valve 9, and finally the hot air is discharged from the exhaust grille 106, so that the heat exchange and temperature reduction work of the system is completed.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. A direct-connection driven oil-free screw compressor complete machine structure comprises a sound-proof housing (1), an electric control cabinet (2), an air inlet silencer filter (3), an air inlet pipe (4), an air outlet silencer (5), an air outlet pipe (6), an expansion joint (7), a safety valve (8), an unloading valve (9), a one-way valve (10), a fan (11), an instrument cabinet (12), a host (13), a coupler (14) and a motor (15), wherein a base (107) is arranged at the bottom in the sound-proof housing (1), the host (13), the coupler (14) and the motor (15) are all arranged on the base (107), the host (13) is connected with the motor (15) through the coupler (14), the air inlet end of the host (13) is provided with the air inlet pipe (4), the end part of the air inlet pipe (4) is provided with the air inlet silencer filter (3), the air outlet end of the host (13) is provided with the air, exhaust pipe (6) tip is provided with exhaust silencer (5), exhaust silencer (5) other one end be provided with exhaust manifold (61), link to each other with exhaust manifold (61) and be provided with check valve (10), the check valve (10) outside is provided with expansion joint (7), exhaust manifold (61) top still install relief valve (8), off-load valve (9) respectively, automatically controlled cabinet (2) and instrument cabinet (12) integrated in sound-proof housing (1), its characterized in that: the left side and the right side of the sound-proof shield (1) are respectively provided with an air inlet grille (105) and an air exhaust grille (106) close to the upper positions.

2. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: inside being close to air-inlet grille (105) one side of sound-proof housing (1) be provided with first deep bead (101), first deep bead (101) bottom and sound-proof housing (1) interior bottom are provided with the predetermined distance, first deep bead (101) and sound-proof housing (1) inner wall form the cold wind passageway.

3. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: and a second air baffle (102) is arranged at one side of the inside of the sound-proof cover (1) close to the air exhaust grille (106).

4. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: and the bottom of the sound-proof housing (1) is provided with a compressor filter air inlet (103) and is connected with an air inlet silencer filter (3).

5. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: and a compressor cooling air inlet (104) is formed in the bottom of the sound-proof cover (1).

6. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: the air inlet pipe (4) and the air outlet pipe (6) are both bent pipes.

7. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: and the opening of the air inlet silencer filter (3) connected with the air inlet pipe (4) faces downwards.

8. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: the exhaust port of the exhaust silencer (5) connected with the exhaust pipe (6) faces downwards.

9. The entire structure of the direct-coupled oil-free screw compressor of claim 1, wherein: the fan (11) and the main machine (13) are fixedly installed together in a direct connection mode.

10. The entire structure of the direct-drive oil-free screw compressor according to claim 1 or 9, wherein: the motor (15) drives the main machine (13) to do rotary motion, so that the fan (11) is driven to operate.