CN212376899U

CN212376899U - Double-inlet and double-outlet two-stage centrifugal compressor

Info

Publication number: CN212376899U
Application number: CN202020871619.0U
Authority: CN
Inventors: 殷洪勇; 伏经宇; 李法威
Original assignee: Oster Power Technology Jiangsu Co ltd
Current assignee: Oster Power Technology Jiangsu Co ltd
Priority date: 2020-05-21
Filing date: 2020-05-21
Publication date: 2021-01-19
Anticipated expiration: 2030-05-21

Abstract

The utility model relates to a two-inlet and two-outlet two-stage centrifugal compressor, the on-line screen storage device comprises a base, fixed mounting has the oil tank on the base, the motor cabinet is installed on the oil tank top, install the motor on the motor cabinet, install the shaft coupling on the motor, install the aircraft nose on the shaft coupling, the aircraft nose bottom is fixed on the cooling box, install four spiral rooms on the aircraft nose, install the gear wheel in the aircraft nose, install two gear shafts on the gear wheel, the spiral room is all installed to the both ends axle head of every gear shaft, the gas outlet of spiral room all sets up on the outside limit, be connected with the governing valve executor through the. The utility model has compact structure layout, improves the space utilization rate and is convenient to install; the utility model adopts four volute chambers distributed at different angles, realizes the simultaneous suction of impellers at two sides, is equivalent to the parallel connection of two compressors with the same shape, and improves the production efficiency; the air flow rate is doubled when the same space is occupied, the equipment cost is reduced, and the production time is also reduced.

Description

Double-inlet and double-outlet two-stage centrifugal compressor

Technical Field

The utility model belongs to the technical field of centrifugal compressor, concretely relates to two-in two-out two-stage centrifugal compressor.

Background

In the centrifugal air compressor, an impeller drives air to rotate at a high speed, so that the air generates centrifugal force, and the flow speed and pressure of the air passing through the impeller are improved due to diffusion flow of the air in the impeller, so that compressed air is continuously produced.

The structure of a common centrifugal air compressor is that a large gear drives two gear shafts, a low-speed gear shaft and a high-speed gear shaft. When the compressor only needs two stages, the side of the high-speed gear shaft is idle. This is wasteful of space and cost.

Disclosure of Invention

The utility model aims at solving the above-mentioned defect, a two-in two-out two-stage centrifugal compressor is provided.

In order to overcome the defect that exists among the background art, the utility model provides a technical scheme that its technical problem adopted is: the utility model provides a two-inlet and two-outlet two-stage centrifugal compressor, includes the base, fixed mounting has the oil tank on the base, the motor cabinet is installed on the oil tank top, install the motor on the motor cabinet, install the shaft coupling on the motor, install the aircraft nose on the shaft coupling, the aircraft nose bottom is fixed on the cooling box, install four spiral rooms on the aircraft nose, install the gear wheel in the aircraft nose, install two gear shafts on the gear wheel, the spiral room is all installed to the both shaft ends of every gear shaft, the gas outlet of spiral room all sets up on the outside limit, install the divertor in the spiral room, install the impeller in the divertor, the impeller is installed on the gear shaft, is connected with the governing valve executor through the mounting on the divertor in the spiral room of.

In a preferred embodiment of the present invention, the four volute chambers include a first volute chamber, a second volute chamber, a third volute chamber and a fourth volute chamber, the first gear shaft is provided with the first volute chamber at one end, and the third volute chamber is provided at the other end; and one end of the second gear shaft is provided with a second volute chamber and a fourth volute chamber.

In a preferred embodiment of the present invention, the gas outlet of the first volute chamber is vertically downward, the gas outlet of the second volute chamber is vertically upward, the gas outlet of the third volute chamber is arranged in the direction of 45 ° clockwise of the gas outlet of the first volute chamber, and the gas outlet of the fourth volute chamber is arranged in the direction of 45 ° clockwise of the gas outlet of the second volute chamber.

In a preferred embodiment of the present invention, the first volute chamber and the second volute chamber are connected to a regulating valve actuator through a fixing member.

In a preferred embodiment of the present invention, the first and second worm chambers have first and second mounting holes, the adjusting valve actuator has a second mounting hole, the first and second mounting holes are connected by a bolt, and the bolt end portion near the second mounting hole is screwed with a nut.

In a preferred embodiment of the present invention, the first mounting hole is engaged with the second mounting hole.

In a preferred embodiment of the present invention, a spacer is installed between the nut and the second mounting hole.

The utility model has the advantages that:

1. the utility model has compact structure layout, improves the space utilization rate and is convenient to install;

2. the utility model discloses a four different angular distributions of volute chamber have realized that both sides impeller inhales simultaneously

The gas is equivalent to two compressors in the same shape which are connected in parallel, so that the production efficiency is improved;

3. the utility model discloses a special overall arrangement of spiral case for when carrying the same air, occupation space is the same, has reduced equipment cost, has also reduced production time.

Drawings

The present invention will be further explained with reference to the drawings and examples.

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

fig. 2 is a top view of the present invention;

fig. 3 is a cross-sectional view of the present invention.

Description of reference numerals: a base-1; an oil tank-2; a motor base-3; a motor-4; a coupler-5; a machine head-6; gear shaft-6.1; a first gear shaft-6.1 a; a second gear shaft-6.1 b; a cooling box body-7; a volute-8; a first volute-8.1; a first outlet-8.11; a second volute-8.2; second outlet-8.21; a third volute-8.3; third outlet-8.31; a fourth volute-8.4; fourth outlet-8.41; a first mounting hole-8.5; 8.6 portions of a fluid director; an impeller-9; a fixing piece-10; bolt-10.1; nut-10.2; gasket-10.3; an adjusting valve actuator-11; second mounting hole-11.1.

Detailed Description

The following detailed description of the preferred embodiments of the present invention will be provided in conjunction with the accompanying drawings, so as to enable those skilled in the art to more easily understand the advantages and features of the present invention, and thereby define the scope of the invention more clearly and clearly.

As shown in fig. 1 to 3, a two-in and two-out two-stage centrifugal compressor includes a base 1, an oil tank 2 is fixedly arranged on the base, a motor base 3 is arranged at the top end of the oil tank 2, a motor 4 is arranged on the motor base 3, a coupler 5 is arranged on the motor 4, a machine head 6 is arranged on the coupler 5, the bottom of the machine head 6 is fixed on a cooling box body 7, four volute chambers 8 are arranged on the machine head 6, fluid directors are arranged in the volute chambers 8, a large gear is arranged in the machine head 6, two gear shafts 6.1 are arranged on the big gear, a volute chamber 8 is arranged at two shaft ends of each gear shaft 6.1, the air outlets of the volute chambers 8 are all arranged on the outer side, a fluid director 8.6 is arranged in the volute chambers 8, an impeller 9 is installed in the fluid director 8.6, the impeller 9 is installed on a gear shaft 6.1, and the fluid director is connected with an adjusting valve actuator 11 through a fixing piece 10.

The four volute chambers 8 comprise a first volute chamber 8.1, a second volute chamber 8.2, a third volute chamber 8.3 and a fourth volute chamber 8.4, one end of a first gear shaft 6.1a is provided with the first volute chamber 8.1, and the other end of the first gear shaft is provided with the third volute chamber 8.3; one end of the second gear shaft 6.1b is provided with a second volute chamber 8.2 and a fourth volute chamber 8.4; the first air outlet 8.11 of the first worm chamber is vertically arranged downwards, the second air outlet 8.21 of the second worm chamber is vertically arranged upwards, the arrangement direction of the third air outlet 8.31 of the third worm chamber 8.3 is consistent with the direction of clockwise 45 degrees of the first air outlet 8.11 of the first worm chamber 8.1, and the arrangement direction of the fourth air outlet 8.41 of the fourth worm chamber 8.4 is consistent with the direction of clockwise 45 degrees of the second air outlet 8.21 of the second worm chamber 8.2; the specific layout uses the same equipment space, improves the production efficiency and doubles the efficiency.

The first volute chamber 8.1 and the second volute chamber 8.2 are connected with a regulating valve actuator 11 through a fixing piece 10, fluid directors of the first volute chamber 8.1 and the second volute chamber 8.2 are both provided with a first mounting hole 8.5, the regulating valve actuator 11 is provided with a second mounting hole 11.1, the first mounting hole 8.5 is matched with the second mounting hole 11.1, the first mounting hole 8.5 is connected with the second mounting hole 11.1 through a bolt 10.1, the end part of the bolt 10.1 close to the second mounting hole 11.1 is screwed with a nut 10.2 for fixing, and a gasket 10.3 is arranged between the nut 10.2 and the second mounting hole 11.1 to realize sealing and fastening.

Use the utility model discloses the time, install four volute chambers according to the angle of difference to realize the same equipment space, make work efficiency double, reduced manufacturing cost.

The above only is the embodiment of the present invention, not limiting the patent scope of the present invention, all the equivalent structures or equivalent processes that are used in the specification and the attached drawings or directly or indirectly applied to other related technical fields are included in the patent protection scope of the present invention.

Claims

1. The utility model provides a two-in two-out two-stage centrifugal compressor, includes the base, its characterized in that: the improved cooling device is characterized in that an oil tank is fixedly mounted on the base, a motor base is mounted at the top end of the oil tank, a motor is mounted on the motor base, a coupler is mounted on the motor, a machine head is mounted on the coupler, the bottom of the machine head is fixed on the cooling box body, four volute chambers are mounted on the machine head, a large gear is mounted in the machine head, two gear shafts are mounted on the large gear, the volute chambers are mounted at two shaft ends of each gear shaft, an air outlet of each volute chamber is arranged on the outer side, a fluid director is mounted in each volute chamber, an impeller is mounted in each fluid director, the impeller is mounted on each gear shaft, and a regulating valve actuator is connected to each fluid.

2. A two-in two-out two-stage centrifugal compressor as claimed in claim 1, wherein: the four volute chambers comprise a first volute chamber, a second volute chamber, a third volute chamber and a fourth volute chamber, one end of the first gear shaft is provided with the first volute chamber, and the other end of the first gear shaft is provided with the third volute chamber; and one end of the second gear shaft is provided with a second volute chamber and a fourth volute chamber.

3. A two-in two-out two-stage centrifugal compressor as claimed in claim 2, wherein: the air outlet of the first volute chamber is vertically arranged downwards, the air outlet of the second volute chamber is vertically arranged upwards, the air outlet of the third volute chamber is arranged in the direction which is 45 degrees clockwise of the air outlet of the first volute chamber, and the air outlet of the fourth volute chamber is arranged in the direction which is 45 degrees clockwise of the air outlet of the second volute chamber.

4. A two-in two-out two-stage centrifugal compressor as claimed in claim 2, wherein: and the first volute chamber and the second volute chamber are connected with an adjusting valve actuator through a fixing piece.

5. A two-in two-out two-stage centrifugal compressor as claimed in claim 4, wherein: the flow guider in the first volute chamber and the second volute chamber is provided with a first mounting hole, the adjusting valve actuator is provided with a second mounting hole, the first mounting hole is connected with the second mounting hole through a bolt, and the end part of the bolt close to the second mounting hole is screwed with a nut for fixing.

6. A two-in two-out two-stage centrifugal compressor as claimed in claim 5, wherein: the first mounting hole is matched with the second mounting hole.

7. A two-in two-out two-stage centrifugal compressor as claimed in claim 5, wherein: and a gasket is arranged between the nut and the second mounting hole.