CN212252045U

CN212252045U - Lubricating oil filter of gas turbine

Info

Publication number: CN212252045U
Application number: CN202020894072.6U
Authority: CN
Inventors: 屈鑫; 马正军; 张晓云; 杨永波; 刘毅腾
Original assignee: 703th Research Institute of CSIC
Current assignee: 703th Research Institute of CSIC
Priority date: 2020-05-25
Filing date: 2020-05-25
Publication date: 2020-12-29
Anticipated expiration: 2030-05-25

Abstract

A gas turbine lubricating oil filter relates to a lubricating oil filter, in particular to a gas turbine lubricating oil filter. The utility model discloses a solve the problem that current lubricating oil filter structure is not compact, shock-resistant vibrations, reliability are low. The utility model discloses a filter casing and filtering mechanism are equipped with first cavity in the casing, filtering mechanism sets up in first cavity, and the lower part of filter casing is equipped with the import, and the upper portion of filter casing is equipped with the export. The utility model belongs to the gas turbine field.

Description

Lubricating oil filter of gas turbine

Technical Field

The utility model relates to a lubricating oil filter, concretely relates to gas turbine lubricating oil filter belongs to the gas turbine field.

Background

The gas turbine lubrication system ensures that the bearing parts and the gear meshing parts of the gas turbine are lubricated and cooled under all working conditions of the gas turbine. The oil contamination in the lubrication system comprises friction wear and corrosion of friction mating parts, oil coking or oil sludge, sundries entering through a sealing device, cutting scraps remained in a bearing cavity of a gas turbine, and dirt mixed in when the oil is filled, and the oil contamination can block an oil nozzle, so that a bearing is burnt due to no oil lubrication and cooling, or enters the working surface of a gear and the bearing, the friction wear is aggravated, the early failure is caused, and the service life of the bearing is shortened. Keeping the lubricant clean is a very important measure to improve the reliability and life of the gas turbine. The gas turbine oil filter is arranged in front of the oil nozzle, behind the fine oil filter, for protecting the gas turbine from accidental contamination that may occur after the fine oil filter, which allows for short time testing of the gas turbine without the fine oil filter.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that current lubricating oil filter structure is not compact, shock-resistant vibrations, reliability are low, and then propose gas turbine lubricating oil filter.

The utility model discloses a solve the technical scheme that above-mentioned problem was taken and be: the utility model discloses a filter casing and filtering mechanism are equipped with first cavity in the casing, filtering mechanism sets up in first cavity, and the lower part of filter casing is equipped with the import, and the upper portion of filter casing is equipped with the export.

Furthermore, the filtering mechanism comprises a framework and a filter screen assembly, the framework is inserted into the first cavity, the framework is internally provided with a second cavity, the upper part of the framework is provided with a plurality of holes, an oil outlet at the upper end of the framework is communicated with an outlet, and the filter screen assembly is sleeved on the framework.

Further, the filter screen subassembly includes first filter screen and second filter screen, and first filter screen, second filter screen suit in proper order are on the skeleton from outer to inner, and the upper end edge of first filter screen and second filter screen is located between hole and the oil-out of skeleton upper end.

Furthermore, a plurality of holes are uniformly distributed on the outer wall of the upper part of the framework along the circumferential direction.

Further, the utility model discloses still include sealed lid, sealed lid fixed mounting is at the opening part of casing upper end.

Further, the edge of the sealing cover is connected with the outer edge of the opening of the shell through a plurality of bolts.

Further, the utility model discloses still include the sealing washer, the sealing washer setting is between the upper surface on the outer edge of the lower surface of sealed lid and casing opening part.

The utility model has the advantages that: the utility model can roughly purify the lubricating oil, effectively intercept larger impurities formed by the damage of the fine filter element, can perform short-time test on the gas turbine without the fine lubricating oil filter, and has compact structure, shock vibration resistance and high reliability; the utility model has compact structure, shock vibration resistance and high reliability; the utility model discloses simple structure, simple to operate is swift, and low in manufacturing cost.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Detailed Description

The first embodiment is as follows: referring to fig. 1, the present embodiment will be described, and the gas turbine oil filter according to the present embodiment includes a filter housing 1 and a filter mechanism, wherein a first chamber a is provided in the housing 1, the filter mechanism is provided in the first chamber a, an inlet 6 is provided at a lower portion of the filter housing 1, and an outlet 7 is provided at an upper portion of the filter housing 1.

The embodiment can roughly purify the lubricating oil, effectively intercept larger impurities formed by damage of the fine filter element, and perform short-time test on the gas turbine under the condition without a fine lubricating oil filter.

The second embodiment is as follows: the embodiment is described with reference to fig. 1, and the filtering mechanism of the gas turbine lubricating oil filter of the embodiment includes a framework 8 and a filter screen assembly, the framework 8 is inserted into the first chamber a, the framework 8 is provided with a second chamber b, the upper portion of the framework 8 is provided with a plurality of holes 5, an oil outlet at the upper end of the framework 8 is communicated with an outlet 7, and the filter screen assembly is sleeved on the framework 8. Other components and connections are the same as those in the first embodiment.

The third concrete implementation mode: the embodiment is described with reference to fig. 1, the strainer assembly of the gas turbine lubricating oil strainer in the embodiment includes a first strainer 3 and a second strainer 4, the first strainer 3 and the second strainer 4 are sequentially sleeved on the framework 8 from outside to inside, and the upper end edges of the first strainer 3 and the second strainer 4 are located between the hole 5 and the oil outlet at the upper end of the framework 8. Other components and connection relationships are the same as those in the second embodiment.

The fourth concrete implementation mode: referring to fig. 1, the present embodiment will be described, and a plurality of holes 5 of the gas turbine oil filter according to the present embodiment are provided on the outer wall of the upper portion of the frame 8 in the circumferential direction. Other components and connection relationships are the same as those in the second embodiment.

The fifth concrete implementation mode: referring to fig. 1, the gas turbine oil filter of the present embodiment further includes a sealing cover 2, and the sealing cover 2 is fixedly installed at an opening at an upper end of the casing 1. Other components and connections are the same as those in the first embodiment.

The sixth specific implementation mode: referring to fig. 1, the present embodiment will be described, and the edge of the seal cover 2 of the gas turbine oil filter according to the present embodiment is connected to the outer edge of the opening of the casing 1 by a plurality of bolts 9. The other components and the connection relationship are the same as those in the fifth embodiment.

The seventh embodiment: referring to fig. 1, the gas turbine oil filter according to the present embodiment further includes a seal ring 10, and the seal ring 10 is disposed between a lower surface of the seal cover 2 and an upper surface of an outer edge of the opening of the casing 1. The other components and the connection relationship are the same as those in the fifth embodiment.

Principle of operation

When the gas turbine engine works, lubricating oil enters the first chamber a through the inlet pipe joint, then enters the second chamber b through the first filter screen 3, the second filter screen 4 and the holes 5 on the framework 8, and then enters the gas turbine through the outlet pipe joint; so can carry out rough purification to the lubricating oil, effectively intercept because the damaged great impurity that forms of essence strainer, can carry out the short time test to the gas turbine under the condition that does not have the essence lubricating oil filter, compact structure, shock-resistant vibration, reliability height.

The above description is only a preferred embodiment of the present invention, and the present invention is not limited to the above description, and although the present invention has been disclosed with the preferred embodiment, it is not limited to the present invention, and any skilled person in the art can make modifications or changes equivalent to the equivalent embodiment without departing from the technical scope of the present invention, but all the modifications, equivalent substitutions, and improvements made to the above embodiments within the spirit and principle of the present invention still belong to the protection scope of the technical solution of the present invention.

Claims

1. Gas turbine lubricating oil filter, its characterized in that: the gas turbine lubricating oil filter comprises a filter shell (1) and a filtering mechanism, wherein a first cavity (a) is arranged in the shell (1), the filtering mechanism is arranged in the first cavity (a), an inlet (6) is arranged at the lower part of the filter shell (1), and an outlet (7) is arranged at the upper part of the filter shell (1).

2. The gas turbine oil strainer of claim 1, wherein: the filter mechanism comprises a framework (8) and a filter screen assembly, the framework (8) is inserted into the first cavity (a), a second cavity (b) is arranged in the framework (8), a plurality of holes (5) are formed in the upper portion of the framework (8), an oil outlet at the upper end of the framework (8) is communicated with an outlet (7), and the filter screen assembly is sleeved on the framework (8).

3. The gas turbine oil strainer of claim 2, wherein: the filter screen subassembly includes first filter screen (3) and second filter screen (4), and first filter screen (3), second filter screen (4) are by outer to interior suit in proper order on skeleton (8), and the upper end edge of first filter screen (3) and second filter screen (4) is located between hole (5) and the oil-out of skeleton (8) upper end.

4. The gas turbine oil strainer of claim 2, wherein: a plurality of holes (5) are uniformly distributed on the outer wall of the upper part of the framework (8) along the circumferential direction.

5. The gas turbine oil strainer of claim 1, wherein: the gas turbine lubricating oil filter further comprises a sealing cover (2), and the sealing cover (2) is fixedly installed at an opening at the upper end of the shell (1).

6. The gas turbine oil strainer of claim 5, wherein: the edge of the sealing cover (2) is connected with the outer edge of the opening of the shell (1) through a plurality of bolts (9).

7. The gas turbine oil strainer of claim 5, wherein: the gas turbine lubricating oil filter further comprises a sealing ring (10), and the sealing ring (10) is arranged between the lower surface of the sealing cover (2) and the upper surface of the outer edge of the opening of the shell (1).