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Throttling device of lubricating oil system and using method thereof

A technology of throttling device and lubricating oil, which is used in quantitative devices, lubricating parts, engine lubrication, etc., can solve the problems of endangering the safety of steam turbine operation, improper speed of operation methods, and increase of differential pressure of filter screen.

Pending Publication Date: 2020-10-27
HUADIAN ELECTRIC POWER SCI INST CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, in the process of operation, due to improper operation method and too fast speed, the differential pressure before and after the filter device is greater than 50kPa, resulting in the protection action of the lubricating oil system, and even the trip of the unit, which endangers the operation safety of the steam turbine and is not conducive to the service life of the equipment and energy saving. Environmental friendly
[0004] In the throttling device of the lubricating oil system, the main method currently used is to fix the orifice, and when the lubricating oil filter is put in, the operator needs to manually control the opening speed of the inlet valve. If the speed is too fast, It will cause the differential pressure before and after the filter to increase, which will cause the protection action of the lubricating oil system, which will affect the operation safety of the lubricating oil system

Method used

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  • Throttling device of lubricating oil system and using method thereof
  • Throttling device of lubricating oil system and using method thereof
  • Throttling device of lubricating oil system and using method thereof

Examples

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Embodiment Construction

[0028] The present invention will be further described in detail below in conjunction with the accompanying drawings and examples. The following examples are explanations of the present invention and the present invention is not limited to the following examples.

[0029] Example.

[0030] see Figure 1 to Figure 3 , the throttling device of the lubricating oil system in this embodiment includes a cap 1, a valve core 2, a tight nut 3 and a valve seat 4; figure 1 Lubricating oil inlet 5 and lubricating oil outlet 6 are also marked inside, the throttling device of the lubricating oil system is installed between the oil filling valve of the lubricating oil filtering device and the lubricating oil filtering device; the filter element is in the middle of the valve seat 4, and the tight nut 3 is on the upper part of the valve seat 4 , and outside the spool 2, the cap 1 is on the upper part of the tight nut 3, and outside the adjustable spool 2;

[0031] The spool 2 of this embodim...

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Abstract

The invention relates to a throttling device of a lubricating oil system and a using method thereof, and belongs to the field of lubricating oil systems of steam turbines. The device comprises a cap,a valve core, a nut and a valve seat, wherein the cap is arranged on the upper part of the nut, the nut is arranged on the upper part of the valve seat, the valve core is arranged in the middle of thevalve seat, the nut is positioned outside the valve core, and the cap is positioned outside the valve core. According to the device, the structural design is reasonable, operation is easy, input or exit of a steam turbine lubricating oil filtering device is convenient and fast, energy saving, environmental protection and safety are achieved, time and labor are saved, and using requirements are met.

Description

technical field [0001] The invention relates to a device and a method, in particular to a lubricating oil system throttling device and a usage method thereof, which belong to the field of steam turbine lubricating oil systems. Background technique [0002] The steam turbine lubricating oil system filter device filters the lubricating oil introduced into the steam turbine regulation security system and each bearing bush through the filter element, ensuring the particle size quality of the lubricating oil and escorting the safe operation of the steam turbine. [0003] The general steam turbine lubricating oil filter adopts a one-run-one-standby design. When the differential pressure before and after the running side lubricating oil filter is greater than 50kPa, in order to ensure that no major accidents such as burning tiles caused by the oil cut-off of the steam turbine, it is necessary to clean the lubricating oil. To switch the filter device, the usual method is to put the ...

Claims

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Application Information

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IPC IPC(8): F16N39/06F16N27/00F16N21/00
CPCF16N21/00F16N27/00F16N39/06
Inventor 张祖哲刘国弼张小平刘帅于鑫王波屈焕成张理珍
Owner HUADIAN ELECTRIC POWER SCI INST CO LTD
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