CN219015555U

CN219015555U - Gas turbine casing gas tightness detects frock

Info

Publication number: CN219015555U
Application number: CN202320022690.5U
Authority: CN
Inventors: 王诗宇
Original assignee: Tianjin Huadian Fuyuan Thermal Power Co ltd
Current assignee: Tianjin Huadian Fuyuan Thermal Power Co ltd
Priority date: 2023-01-05
Filing date: 2023-01-05
Publication date: 2023-05-12
Anticipated expiration: 2033-01-05

Abstract

The utility model provides a gas turbine casing air tightness detection tool, which relates to the field of casing air tightness detection and comprises the following components: the detecting device, crane and receiver body, the crane upper end is fixed with the gas holder, the gas holder is connected with receiver body air inlet through the breather pipe, the terminal surface is provided with first air exit under the crane, the crane rear end is fixed with the stoving board through the adapter rod, first air exit and stoving board are connected with drying blower through the lateral conduit. The utility model solves the problems that when the air leakage hole of the casing is smaller, the air bubbles of the casing placed in the soapy water are not obvious, and the air tightness of the casing of the gas turbine is difficult to accurately and obviously observe and judge.

Description

Gas turbine casing gas tightness detects frock

Technical Field

The utility model relates to the field of casing air tightness detection, in particular to a gas turbine casing air tightness detection tool.

Background

The gas turbine inlet and load bearing casings generally relate to bleed air, load bearing, and connection with other components. For the light and heavy gas turbines, because of the lubrication of each bearing, the sealing of a bearing cavity and the cooling requirement of a hot end part, a lubricating oil circuit and a sealing gas circuit pipeline are also required to be arranged on a casing, and the prior art (application number: 202022464571.4) describes that if the air tightness is unqualified, an air-tight tool and the whole casing are placed in soapy water, whether bubbles emerge is observed, and the air leakage position is determined,

however, when the air leakage hole of the casing is smaller, the air bubbles of the casing placed in the soapy water are not obvious, and the problem of the air tightness of the casing of the gas turbine is difficult to accurately and obviously observe and judge.

Disclosure of Invention

In order to overcome the defects existing in the prior art, the gas turbine casing gas tightness detection tool is provided, so that the problems that when a gas leakage hole of a casing is small, bubbles of the casing placed in soapy water are not obvious, and the gas turbine casing gas tightness is difficult to accurately and obviously observe and judge are solved.

In order to achieve the above object, a gas turbine casing air tightness detection tool is provided, comprising: the detecting device, the lifting frame and the case body,

the air storage tank is fixed to the upper end of the lifting frame, the air storage tank is connected with an air inlet of the casing body through an air pipe, a first air outlet is formed in the lower end face of the lifting frame, a drying plate is fixed to the rear end of the lifting frame through a connecting rod, and a drying fan is connected with the first air outlet and the drying plate through branch pipes.

Further, a transparent glass window is arranged on the front end surface of the detection device, and the detection device is connected with a lifting frame through an electric push rod; and the electric push rod is embedded and fixed inside the upper end of the detection device.

Further, a storage frame is welded at the lower end of the lifting frame, and a filter screen bottom plate is welded at the bottom end of the storage frame; and the surface of the filter screen bottom plate is provided with a casing body.

Further, a water blocking plug is screwed at the left end water outlet of the detection device, and a second air outlet is arranged on the front end surface of the drying plate; and the drying plate is positioned at the rear side of the case body.

Further, a booster valve is arranged on the surface of the vent pipe, and the branch pipe is connected with a hot air pipe through a pipe joint; and the hot air pipeline is connected to the air outlet of the drying fan.

Further, the lower end of the drying fan is fixed on the upper surface of the lifting frame; and the drying fan is positioned at the right side of the air storage tank, and the drying plate is arranged at the rear side of the detection device.

Further, a detection cavity is arranged in the detection device; and the inside of the detection cavity is provided with water and a casing body, and the vent pipe and an air passage in the casing body form a sealing channel.

The gas turbine casing air tightness detection tool has the beneficial effects that the gas storage tank is utilized to ventilate the inner pipeline of the casing in water, when the casing leaks air, the air in the inner pipeline of the casing can be sprayed out from the air leakage position to generate obvious and rapid bubbling, the gas turbine casing air tightness can be conveniently, accurately and obviously observed and interpreted, the air tightness detection accuracy is ensured, and the casing in water at the moving position is dried through the drying fan, so that the air tightness detection tool has a drying function, and the gas turbine casing is conveniently and rapidly dried.

Drawings

Fig. 1 is a schematic front view of a gas turbine casing tightness detection tool according to an embodiment of the present utility model.

Fig. 2 is a schematic diagram of a front sectional structure of a gas turbine casing tightness detection tool according to an embodiment of the present utility model.

Fig. 3 is a schematic top view of a gas turbine casing tightness detection tool according to an embodiment of the present utility model.

Fig. 4 is a schematic front view of a drying plate according to an embodiment of the present utility model.

In the figure: 1. a detection device; 11. an electric push rod; 12. a water blocking plug; 13. a transparent glazing; 2. a lifting frame; 21. a storage frame; 22. a first exhaust outlet; 23. a filter screen bottom plate; 3. a gas storage tank; 31. a pressure increasing valve; 32. a vent pipe; 4. a drying fan; 41. a branch pipe; 42. a pipe joint; 43. a hot air duct; 5. a casing body; 6. a drying plate; 61. a connecting rod; 62. and a second exhaust outlet.

Description of the embodiments

Other advantages and effects of the present utility model will become apparent to those skilled in the art from the following disclosure, which describes the embodiments of the present utility model with reference to specific examples. The utility model may be practiced or carried out in other embodiments that depart from the specific details, and the details of the present description may be modified or varied from the spirit and scope of the present utility model.

Referring to fig. 1 to 4, the present utility model provides a gas turbine casing tightness detection tool, including: a detection device 1, a lifting frame 2 and a casing body 5,

the upper end of the lifting frame 2 is fixedly provided with a gas storage tank 3, the gas storage tank 3 is connected with a gas inlet of the casing body 5 through a breather pipe 32, the lower end face of the lifting frame 2 is provided with a first exhaust outlet 22, the rear end of the lifting frame 2 is fixedly provided with a drying plate 6 through a connecting rod 61, and the first exhaust outlet 22 and the drying plate 6 are connected with a drying fan 4 through a branch pipeline 41.

During detection, the case body 5 is placed on the surface of the storage frame 21, the case body 5 is controlled to descend, the case body 5 is submerged in water, the pressurizing valve 31 is opened, gas in the gas storage tank 3 is conveyed into the case body 5, when the case body 5 leaks gas, the gas can rapidly leak from the gas leakage position to generate obvious and rapid bubbling, after detection, the case body 5 is moved into the water, the drying fan 4 is started, and the surface of the case body 5 is dried.

In the embodiment, a transparent glass window 13 is arranged on the front end surface of the detection device 1, and the detection device 1 is connected with a lifting frame 2 through an electric push rod 11; and the electric push rod 11 is embedded and fixed inside the upper end of the detection device 1.

As a preferred embodiment, the transparent glass window 13 facilitates observation of bubbling conditions of the underwater casing body 5. The electric push rod 11 pushes the lifting frame 2 to move up and down, so that the casing body 5 is conveniently driven to move into and out of water.

In the embodiment, a storage frame 21 is welded at the lower end of the lifting frame 2, and a filter screen bottom plate 23 is welded at the bottom end of the storage frame 21; and the surface of the filter screen bottom plate 23 is provided with the casing body 5.

As a preferred embodiment, the storage frame 21 is used for placing the lying casing body 5. The filter screen bottom plate 23 is used for dripping the water body of the removed casing body 5 to the detection cavity of the detection device 1, so that the water body is prevented from dripping outside.

In the embodiment, a water shutoff plug 12 is screwed at the left end water outlet of the detection device 1, and a second air outlet 62 is arranged on the front end surface of the drying plate 6; and the drying plate 6 is located at the rear side of the casing body 5.

As a preferred embodiment, when the detection water needs to be replaced, the water plug 12 is screwed out to drain the water in the cavity of the detection device 1. The drying plate 6 dries the side of the casing body 5 through the second exhaust port 62 on the front end surface.

In the embodiment, the surface of the breather pipe 32 is provided with a booster valve 31, and the branch pipe 41 is connected with a hot air pipe 43 through a pipe joint 42; and the hot air pipeline 43 is connected to the air outlet of the drying fan 4.

As a preferred embodiment, the booster valve 31 is used for delivering the gas inside the gas storage tank 3 to the gas path inside the casing body 5, so as to conveniently detect whether the gas path inside the casing body 5 generates a gas leakage condition.

In the embodiment, the lower end of the drying fan 4 is fixed on the upper surface of the lifting frame 2; and the drying fan 4 is positioned at the right side of the air storage tank 3, and the drying plate 6 is arranged at the rear side of the detection device 1.

As a preferred embodiment, the gas delivered by the gas storage tank 3 is detected, so that the gas tightness of the casing of the gas turbine can be conveniently, accurately and obviously observed and interpreted. The rear drying plate 6 prevents water from entering the detection chamber.

In the present embodiment, the detection device 1 is internally provided with a detection chamber; and the detection cavity is internally provided with water and the casing body 5, and the vent pipe 32 and an air passage in the casing body 5 form a sealing channel.

As a preferred embodiment, the detection cavity is used for observing the air leakage condition of the casing body 5, so that the detection result is conveniently obtained. The sealing channel formed by the vent pipe 32 and the air channel inside the casing body 5 can not bubble when no air leakage occurs, and the air leakage position can bubble upwards when air leakage occurs.

The gas turbine casing air tightness detection tool can effectively solve the problem that the gas turbine casing air tightness is difficult to accurately and obviously observe and judge, is convenient to accurately and obviously observe and judge, ensures air tightness detection accuracy, and is suitable for the gas turbine casing air tightness detection tool.

Claims

1. Gas turbine receiver gas tightness detects frock includes: detection device (1), crane (2) and receiver body (5), its characterized in that:

the novel air conditioner is characterized in that an air storage tank (3) is fixed at the upper end of the lifting frame (2), the air storage tank (3) is connected with an air inlet of the casing body (5) through a vent pipe (32), a first air outlet (22) is formed in the lower end face of the lifting frame (2), a drying plate (6) is fixed at the rear end of the lifting frame (2) through a connecting rod (61), and a drying fan (4) is connected with the first air outlet (22) and the drying plate (6) through branch pipes (41).

2. The gas turbine casing air tightness detection tool according to claim 1, wherein a transparent glass window (13) is arranged on the front end surface of the detection device (1), and the detection device (1) is connected with a lifting frame (2) through an electric push rod (11); and the electric push rod (11) is embedded and fixed in the upper end of the detection device (1).

3. The gas turbine casing air tightness detection tool according to claim 1, wherein a storage frame (21) is welded at the lower end of the lifting frame (2), and a filter screen bottom plate (23) is welded at the bottom end of the storage frame (21); and the surface of the filter screen bottom plate (23) is provided with the organic box body (5).

4. The gas turbine casing air tightness detection tool according to claim 1, wherein a water blocking plug (12) is screwed at a water outlet at the left end of the detection device (1), and a second air outlet (62) is formed in the front end surface of the drying plate (6); and the drying plate (6) is positioned at the rear side of the case body (5).

5. The gas turbine casing tightness detection tool according to claim 1, wherein a booster valve (31) is installed on the surface of the vent pipe (32), and the branch pipe (41) is connected with a hot air pipe (43) through a pipe joint (42); and the hot air pipeline (43) is connected to the air outlet of the drying fan (4).

6. The gas turbine casing air tightness detection tool according to claim 1, wherein the lower end of the drying fan (4) is fixed at the upper surface of the lifting frame (2); and the drying fan (4) is positioned at the right side of the air storage tank (3), and the drying plate (6) is arranged at the rear side of the detection device (1).

7. The gas turbine casing tightness detection tool according to claim 1, wherein a detection cavity is arranged inside the detection device (1); and water and the casing body (5) are arranged in the detection cavity, and the vent pipe (32) and an air passage in the casing body (5) form a sealing channel.