Oil-saving system of screw compressor driven by diesel engine and method thereof

A technology of screw compressor and diesel engine, applied in the field of machinery, can solve the problems of uneconomical operation, high system pressure and high back pressure, and achieve the effect of reducing the power of the diesel engine and obviously saving fuel.

Inactive Publication Date: 2009-12-23
SHENZHEN SULLAIR ASIA IND CO LTD
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  • Abstract
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Problems solved by technology

[0003] Because the system pressure is higher than the rated pressure when the unit is unloaded, the back pressure of the unit is too high, and the result of the unloaded operation of the unit under the high back pressure is that even when the unit is unloaded without air supply, the fuel consumption of the unit rate is still maintained at a high level, therefore, the existing technology has the disadvantage of operating uneconomically

Method used

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  • Oil-saving system of screw compressor driven by diesel engine and method thereof
  • Oil-saving system of screw compressor driven by diesel engine and method thereof

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Embodiment Construction

[0021] The following content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be assumed that the specific implementation of the present invention is limited to these descriptions. For those of ordinary skill in the technical field of the present invention, without departing from the concept of the present invention, some simple deduction or replacement can be made, which should be regarded as belonging to the protection scope of the present invention.

[0022] The invention provides a fuel-saving method for a screw compressor driven by a diesel engine, which comprises the following steps:

[0023] S1: Set the action pressure and reset pressure of the pressure switch;

[0024] S2: Adjust the adjustable orifice to set the unloading tank pressure;

[0025] S3: When the user does not use gas, the system pressure will gradually increase, and the system pressure will reach the pressure switch action pressu...

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Abstract

The invention provides an oil-saving system of a screw compressor driven by a diesel engine, comprising an electromagnetic valve, a pressure switch, an adjustable throttling orifice and a fixed frame; the electromagnetic valve and the adjustable throttling orifice are arranged on the fixed frame; the adjustable throttling orifice adjusts the pressure of an unloading tank of the system; and the pressure switch controls the working state of the electromagnetic valve and controls the running state of the system. The device can reduce the pressure of the unloading tank by adjusting the opening of the adjustable throttling orifice, can greatly reduce the power of the diesel engine when unloading is operated due to the working of the machine unit under lower pressure of the unloading tank, and has very obvious oil-saving effects.

Description

technical field [0001] The invention relates to a mechanical field, in particular to an oil-saving system and method for a screw compressor driven by a diesel engine. Background technique [0002] Most of the air volume adjustment methods of diesel engine-driven compressor units use both air intake throttling and diesel engine speed adjustment. At present, both speed adjustment and air intake throttling rely on the pressure regulating valve when the unit pressure is higher than the rated pressure. Or a similar device acts to form a certain pressure of control gas to adjust the speed or the opening of the intake valve. [0003] Because the system pressure is higher than the rated pressure when the unit is unloaded, the back pressure of the unit is too high, and the result of the unloaded operation of the unit under the high back pressure is that even when the unit is unloaded without air supply, the fuel consumption of the unit The efficiency is still maintained at a high le...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F04C28/00
Inventor 刘庆卫吴振光郑震胡庆玉赵开华
Owner SHENZHEN SULLAIR ASIA IND CO LTD
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