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Centrifugal compressor

A centrifugal compressor and diffuser technology, applied in the field of compressors, can solve the problem that the flow rate and pressure of the compressor cannot be adjusted according to the usage conditions, and achieve the effect of convenient maintenance and convenient manufacture

Pending Publication Date: 2020-10-02
上海优社动力科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to solve the above-mentioned problems in the prior art, the present invention provides a centrifugal compressor to solve the technical problem in the prior art that the flow rate and pressure of the compressor cannot be adjusted according to the usage conditions

Method used

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  • Centrifugal compressor
  • Centrifugal compressor
  • Centrifugal compressor

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] Such as Figures 1 to 5 Shown:

[0034] A centrifugal compressor, including a pneumatic module 1 and a motor assembly 2;

[0035] The pneumatic module 1 includes a volute 11, a diffuser 12, a deflector 13 and an impeller 14, the volute 11 is arranged on the motor assembly 2 through a flange 15, the impeller 14 and the diffuser 12 are all arranged in the volute 11, And the power output end of the motor assembly 2 passes through the flange 15 and the volute 11 and is connected to the impeller 14 in transmission, the air inlet of the volute 11 is arranged at the end of the volute 11 away from the motor assembly 2, and the deflector 13 is arranged at the air inlet .

[0036] When using the centrifugal compressor with the above structure, the air outlet of the pneumatic module 1 can be directly connected with the air inlet of the equipment, so that the centrifugal compressor can provide compressed air for the equipment, so that the equipment can operate normally;

[0037]...

Embodiment 2

[0045] Such as Figure 1 to Figure 5 Shown:

[0046] As a further optimization of the above embodiment, the above-mentioned volute 11 is provided with an assembly hole 111, the diameter of the above-mentioned air inlet is larger than the diameter of the assembly hole 111, and the diameter of the assembly hole 111 is larger than the diameter of the bearing seat 213;

[0047] The above-mentioned flange 15 connected to the volute 11 is provided with a boss matching the assembly hole 111, so that when the volute 11 is connected to the flange 15, the boss on the flange 15 can be embedded in the assembly on the volute 11. In the hole 111, the connection between the volute 11 and the flange 15 is tighter.

[0048] Optimally, the inner ring of the flange 15 is provided with an annular seal 4, the above-mentioned rotating shaft 22 passes through the seal 4 and is connected to the impeller 14 in transmission, and the diameter of the seal 4 is larger than the diameter of the bearing sea...

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Abstract

The invention belongs to the technical field of compressors, in particular to a centrifugal compressor. The centrifugal compressor comprises a pneumatic module and a motor component; the pneumatic module comprises a volute, a pressure diffuser, a flow guide device and an impeller; the volute is arranged on the motor through a flange; the impeller and the pressure diffuser are both arranged in thevolute; a power output end of the motor component is in transmission connection with the impeller after penetrating through the flange and the volute; an air inlet of the volute is formed in one end,far away from the volute, of the motor component; and the flow guide device is arranged at the air inlet. The pneumatic module in the centrifugal compressor is connected to the motor component throughthe flange; when flow or pressure of the air output by the central compressor need to be regulated, the centrifugal compressor can meet various situations with different using requirements by directly replacing the pneumatic modules with different sizes; and therefore, the work requirements of equipment can also be met without preparing a plurality of compressors with different model numbers.

Description

technical field [0001] The invention belongs to the technical field of compressors, in particular to a centrifugal compressor. Background technique [0002] Centrifugal compressor is a kind of turbo compressor, which imparts centrifugal force to the gas through the high-speed rotation of the impeller to increase the kinetic energy of the gas, and then through the action of the diffuser to reduce the flow rate of the gas to increase the gas pressure. Due to the advantages of large gas volume, simple and compact structure, light weight, small unit size and small footprint, centrifugal compressors are widely used in chemical, petroleum, refrigeration, sewage treatment and other industries. [0003] Existing compressors have a large number of components, so that the disassembly and assembly steps of the compressor are very complicated during maintenance, especially when the compressor breaks down and needs to replace wearing parts such as bearings and rotors, maintenance personn...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04D17/12F04D29/62F04D29/42F04D29/056
CPCF04D17/122F04D29/056F04D29/624F04D29/4226
Inventor 吕鹏曹施鹏林伟伟冯凯
Owner 上海优社动力科技有限公司