Method for regulating liquid injection of a compressor, compressor and components for liquid injection

A technology of compressors and liquids, which is applied in the direction of liquid variable displacement machines, liquid fuel engines, components of pumping devices for elastic fluids, etc., and can solve problems such as indirect control of injection liquids

Active Publication Date: 2020-06-05
ATLAS COPCO AIRPOWER NV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0011] The disadvantage of this method is that it only allows indirect control of the temperature of the injected liquid
[0012] Another disadvantage of the known method is that when a certain proportion of injected liquid is used to lubricate the bearing, the temperature of this liquid will be the same as that of the liquid injected into the compression space for cooling

Method used

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  • Method for regulating liquid injection of a compressor, compressor and components for liquid injection
  • Method for regulating liquid injection of a compressor, compressor and components for liquid injection
  • Method for regulating liquid injection of a compressor, compressor and components for liquid injection

Examples

Experimental program
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Embodiment Construction

[0040] figure 1 The liquid-injected compressor device 1 shown in includes a liquid-injected compressor element 2.

[0041] The compressor element 2 comprises a housing 3 which defines a compression space 4 and a gas inlet 5 and an outlet 6 for compressed gas.

[0042] One or more rotors 7 are rotatably attached in the housing 3 through bearings 8 attached to the shaft 9 of the rotor 7.

[0043] Furthermore, the housing 3 is provided with a large number of injection points 10a, 10b for injecting liquid.

[0044] The liquid may be, for example, synthetic oil or water, but the present invention is not limited to this.

[0045] The injection points 10a, 10b are provided at the position of the compression space 4 and the position of the aforementioned bearing 8.

[0046] in figure 2 The compressor element 2 is shown in more detail in, on which injection points 10a, 10b are provided.

[0047] According to the present invention, the housing 3 is provided with separate integrated channels 11, wh...

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PUM

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Abstract

A method for controlling liquid injection of a compressor arrangement (1), wherein the compressor arrangement comprises at least one compressor element (2), wherein the compressor element (2) comprises a housing with a compression space (4), At least one rotor (7) is rotatably attached in the housing by means of bearings (8), wherein liquid is injected into the compressor element (2), characterized in that the method comprises providing the compressor element (2) with A step of two separate independent liquid supplies, one of which is injected into the compression space (4) and the other at the location of the bearing (8).

Description

Technical field [0001] The invention relates to a method for controlling liquid injection of a compressor device. Background technique [0002] For example, it is known to inject a liquid such as oil or water into the compression space of the compressor element in order to cool the compressor device. [0003] In this way, the temperature at the outlet of the compressor element can be maintained within a certain range, for example, so that the temperature does not become too low, thereby preventing the formation of condensate in the compressed air, and thus the liquid temperature does not become too high, Therefore, the liquid quality is optimally maintained. [0004] The injected liquid can also be used to seal and lubricate the compressor components so that good operation can be obtained. [0005] It is known that the amount and temperature of the injected liquid will affect the efficiency of cooling, sealing and lubrication. [0006] A method for controlling the injection of a liqui...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F04B39/06
CPCF04B39/062F04C29/021F04C29/042F04C18/16F04C2240/52F04C29/0014F04C27/00F04C29/028F04C28/28F04C29/026F04C2240/20F04C2240/30
Inventor J·J·J·多姆J·E·C·特伦S·K·达哈勒L·H·A·万霍伊D·特鲁恩K·P·F·马尔切利斯
Owner ATLAS COPCO AIRPOWER NV
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