CN220238027U

CN220238027U - Open water circulation filtering mechanism of steam turbine

Info

Publication number: CN220238027U
Application number: CN202320958312.8U
Authority: CN
Inventors: 董宇; 胡锋
Original assignee: DATANG CHANGSHAN CO-GENERATION POWER PLANT
Current assignee: DATANG CHANGSHAN CO-GENERATION POWER PLANT
Priority date: 2023-04-25
Filing date: 2023-04-25
Publication date: 2023-12-26
Anticipated expiration: 2033-04-25

Abstract

The utility model belongs to the field of water filtering mechanisms of steam turbines, in particular to an open water circulating filtering mechanism of a steam turbine, which comprises a mechanism shell, wherein a filtering structure is arranged in the mechanism shell, a sealing cover is arranged at the top of the mechanism shell, the filtering structure comprises a filter plate, support columns, a filter box, mounting holes, mounting blocks, a filter screen and a filter layer, the inner wall of the filtering structure is fixedly provided with the filter plate, the support columns are arranged at four corners of the filtering structure, the filter box is arranged above the filter plate in a fitting way, and the mounting holes are reserved at the four corners of the filter box; the utility model is convenient for replacing the filter layer from the top of the device, has reasonable design, and can completely wash out the impurities such as broken stone, soil and the like outwards without piling up the impurities in the mechanism when the open water circulation treatment of the steam turbine is carried out by arranging the filtered wastewater from the top of the wastewater inlet and outlet at the bottom, and the heavy impurities in the wastewater sink down, thereby reducing the filtering burden of the filter layer.

Description

Open water circulation filtering mechanism of steam turbine

Technical Field

The utility model relates to the field of water filtering mechanisms of steam turbines, in particular to an open water circulation filtering mechanism of a steam turbine.

Background

The steam turbine is also called a steam turbine engine, and the steam turbine needs to be cooled by using water in the use process, however, most of the existing water circulation devices are inconvenient to filter impurities in water, and workers are inconvenient to remove the impurities in water.

In chinese patent CN202022565987.5, a open hydrologic cycle filter equipment of steam turbine is disclosed, including the rose box main part, the bottom fixedly connected with base of rose box main part, the right side middle part fixedly connected with control box of rose box main part, the right side bottom fixedly connected with horizontal motor of rose box main part, horizontal motor carries out fixed connection with the base, the right side top fixedly connected with connecting pipe of rose box main part, one side fixedly connected with bin of connecting pipe, the top swing joint of bin has the apron, the top fixedly connected with pillar of bin, and pillar bottom fixedly connected with base, the right side fixedly connected with pipeline of bin, one side fixedly connected with work box of pipeline, the top fixedly connected with fixed block of work box, and fixed block carries out fixed connection with the pipeline, the right side bottom fixedly connected with outlet of work box, the device simple structure, the modern design, the filter screen unpick and wash conveniently, the blowdown effect is clean, can accomplish the washing, the sediment, the maintenance time is reduced, intensity.

In order to solve the problem that the impurity is not convenient for filter, the prior art adopts and is provided with filter cloth layer, active carbon layer and can carry out filterable mode to big granule such as stone and granule such as earth to handle, but the rose box sets up to openly unpacks and changes filter cloth layer and active carbon layer, and the position of inlet tube leads to there is ponding of a certain amount at the rose box bottom, can appear ponding excessive condition when opening the pivot door to lead to taking place the problem that leaks.

Therefore, an open water circulation filtering mechanism of a steam turbine is provided for solving the problems.

Disclosure of Invention

The utility model aims to provide an open water circulation filtering mechanism of a steam turbine, which aims to solve the problem that water leakage is easy to occur when a filtering layer is replaced in the background technology.

The technical scheme adopted for solving the technical problems is as follows: the utility model relates to an open water circulation filtering mechanism of a steam turbine, which comprises a mechanism shell, wherein a filtering structure is arranged in the mechanism shell, and a sealing cover is arranged at the top of the mechanism shell;

the filter structure comprises a filter plate, support columns, a filter box, mounting holes, mounting blocks, a filter screen and a filter layer, wherein the filter plate is fixed on the inner wall of the filter structure, the support columns are all installed at four corners of the filter structure, the filter box is arranged above the filter plate in a laminating mode, the mounting holes are reserved at four corners of the filter box, the filter screen is fixed at the bottom of the filter box, the filter layer is arranged on the inner side of the filter screen, and the mounting blocks are arranged at the top of the support columns.

Preferably, the filter box forms a detachable structure with the support column through the mounting hole, and the support column is in threaded connection with the mounting block.

Preferably, the mechanism shell is including connecting block, pivot, closing plate and seal groove, the outer wall right side of mechanism shell is provided with the connecting block, and the inside of connecting block runs through there is the pivot, the outer wall of mechanism shell is fixed with the closing plate, and the inside of closing plate is reserved there is the seal groove.

Preferably, the sealing cover comprises a connecting plate and a sealing ring, the connecting plate is fixed on the right side of the outer wall of the sealing cover, the sealing ring is fixed at the bottom of the connecting plate, and the sealing ring is tightly attached to the sealing groove.

Preferably, the mechanism shell further comprises a slag discharging pipe and a pipe cover, the slag discharging pipe is arranged at the bottom of the mechanism shell, and the pipe cover is arranged on the outer side of the slag discharging pipe.

Preferably, a water outlet pipe is reserved on the left side of the outer wall of the mechanism shell, the outer wall of the water outlet pipe is connected with a water pump, a water storage tank is arranged below the water pump, and a water inlet pipe is arranged at the bottom of the water storage tank.

The utility model has the advantages that:

1. the utility model can conveniently take out the filter box and the filter layer inside the filter box from the top of the device for replacement, has reasonable design, and can completely wash out the impurities such as broken stone, soil and the like outwards through the slag discharging pipe without generating accumulation condition inside the mechanism due to the arrangement of the filtered wastewater which enters the bottom and goes out of the top of the wastewater, and heavier impurities in the wastewater sink when the open water circulation treatment of the steam turbine is carried out, so that the filtering burden of the filter layer is reduced;

2. the sealing cover is convenient to open to clean the inside of the mechanism, the filtering structure is convenient to replace, and the sealing effect of the mechanism can be improved through the arrangement of the sealing plate and the sealing ring, so that the inside of the filtering structure is kept in a sealing state when the mechanism performs open water circulation filtering of the steam turbine.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions of the prior art, the drawings which are used in the description of the embodiments or the prior art will be briefly described, it being obvious that the drawings in the description below are only some embodiments of the utility model, and that other drawings can be obtained from these drawings without inventive faculty for a person skilled in the art.

FIG. 1 is a schematic cross-sectional view of a housing of the mechanism of the present utility model;

FIG. 2 is a schematic perspective view of the whole front view of the present utility model;

FIG. 3 is a schematic top view of the interior of the mechanism housing of the present utility model;

FIG. 4 is a schematic view of an exploded view of the filter structure of the present utility model;

FIG. 5 is a schematic diagram showing a sealing structure and a sealing plate according to the present utility model.

In the figure: 1. a mechanism housing; 11. a connecting block; 12. a rotating shaft; 13. a sealing plate; 14. sealing grooves; 15. a slag discharging pipe; 16. a tube cover; 2. a filtering structure; 21. a filter plate; 22. a support column; 23. a filter box; 24. a mounting hole; 25. a mounting block; 26. a filter screen; 27. a filter layer; 3. sealing cover; 31. a connecting plate; 32. a seal ring; 4. a water outlet pipe; 5. a water pump; 6. a water storage tank; 7. a water inlet pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

Referring to fig. 1 to 5, an open water circulation filtering mechanism of a steam turbine comprises a mechanism housing 1, the inside of the mechanism housing 1 is provided with a filtering structure 2, and the top of the mechanism housing 1 is provided with a sealing cover 3, the filtering structure 2 comprises a filter plate 21, a support column 22, a filter box 23, a mounting hole 24, a mounting block 25, a filter screen 26 and a filter layer 27, the filter plate 21 is fixed on the inner wall of the filtering structure 2, the support columns 22 are all installed at four corners of the filtering structure 2, a filter box 23 is arranged above the filter plate 21 in a fitting manner, the four corners of the filter box 23 are reserved with mounting holes 24, the bottom of the filter box 23 is fixedly provided with the filter screen 26, the inner side of the filter screen 26 is provided with the filter layer 27, the top of the support column 22 is provided with a mounting block 25, through such arrangement, the filter box 23 and the filter layer 27 inside the filter box 23 can be conveniently taken out from the top of the device for replacement, the filter box 23 forms a detachable structure through the mounting hole 24 and the support column 22, and the support column 22 is in threaded connection with the mounting block 25.

Example two

As shown in fig. 1, fig. 2, fig. 3 and fig. 5, on the basis of the first embodiment, the present utility model provides a technical solution: mechanism shell 1 is including connecting block 11, pivot 12, closing plate 13 and seal groove 14, the outer wall right side of mechanism shell 1 is provided with connecting block 11, and the inside of connecting block 11 runs through there is pivot 12, the outer wall of mechanism shell 1 is fixed with closing plate 13, and the inside of closing plate 13 is reserved there is seal groove 14, through such setting, be convenient for open sealed lid 3 clear up the mechanism inside, be convenient for change filtration 2, sealed lid 3 is including connecting plate 31 and sealing washer 32, the outer wall right side of sealed lid 3 is fixed with connecting plate 31, and the bottom of connecting plate 31 is fixed with sealing washer 32, be closely laminating between sealing washer 32 and the seal groove 14, the sealed effect of mechanism can be improved through the setting of closing plate 13 and sealing washer 32, make the mechanism when carrying out the open hydrologic cycle filtration of turbine filtration 2 inside keep sealing state.

Example III

As shown in fig. 1, 2, 3 and 5, on the basis of the first embodiment, the present utility model provides a technical solution: the mechanism shell 1 is still including slag pipe 15 and tube cap 16, slag pipe 15 is installed to the bottom of mechanism shell 1, and the outside of slag pipe 15 is provided with tube cap 16, the mechanism bottom sets up for the funnel shape, can outwards wash out impurity such as rubble, earth completely through slag pipe 15, can not produce the accumulational condition in the inside mechanism, the outer wall left side of mechanism shell 1 has reserved outlet pipe 4, and outlet pipe 4's outer wall connection has water pump 5, water pump 5's below is provided with water storage tank 6, and water storage tank 6's bottom is provided with inlet tube 7, advance the setting of waste water after the waste water top goes out the filtration through the bottom, heavy impurity in the waste water is sunk the end when carrying out the open hydrologic cycle of turbine and handle, filter layer 27's filtration burden has been reduced.

Working principle: when the open water circulation of the steam turbine filters, at first pour into the waste water to the inboard bottom of the outer casing 1 of the organization through the inlet tube 7, the top outlet pipe 4 is pulled out to the water storage tank 6 upwards through the function of the water pump 5, wherein the waste water is filtered the structure 2 through the filtering structure 2, the filtering structure 2 sets up five layers of filter layers 27 to carry on the multiple filtration treatment to the waste water, open and slag the pipe 15 to collect rubble, earth impurity through the tube cap 16 after filtering;

when the sealing cover 3 is in a closed state, the sealing ring 32 at the bottom and the sealing groove 14 inside the sealing plate 13 are in a clamping state, the sealing ring 32 is made of rubber materials, the sealing cover 3 can be opened by rotating under the action of the connecting plate 31, the connecting block 11 and the rotating shaft 12, the mounting block 25 can be removed by rotating, the mounting holes 24 around the filter box 23 and the support columns 22 fixed at the top of the filter plate 21 are in a clamping state, so that the filter box 23 can be pulled up and the filter layer 27 can be replaced, the filter 26 is arranged at the bottom and the periphery of the filter box 23, the filter plate 21 is arranged in a grid mode, the filter plate 21 is welded on the inner wall of the mechanism shell 1 to support the filter box 23, therefore, the waste water can be filtered quickly through five layers of the filter layer 27 in the process of upward pulling up, and sediment in the waste water can be collected conveniently without accumulation due to the funnel-shaped structure inner wall.

The foregoing has shown and described the basic principles, principal features and advantages of the utility model. It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims.

Claims

1. An open hydrologic cycle filtering mechanism of steam turbine, its characterized in that: the filter comprises a mechanism shell (1), wherein a filter structure (2) is arranged in the mechanism shell (1), and a sealing cover (3) is arranged at the top of the mechanism shell (1);

the utility model provides a filter structure (2) is including filter plate (21), support column (22), filter cartridge (23), mounting hole (24), installation piece (25), filter screen (26) and filter layer (27), the inner wall of filter structure (2) is fixed with filter plate (21), and filter structure (2) all installs support column (22) in the four corners, the top laminating of filter plate (21) is provided with filter cartridge (23), and all reserves in the four corners of filter cartridge (23) has mounting hole (24), the bottom of filter cartridge (23) is fixed with filter screen (26), and the inboard of filter screen (26) is provided with filter layer (27), the top of support column (22) is provided with installation piece (25).

2. The open water circulation filter mechanism of a steam turbine of claim 1, wherein: the filter box (23) and the support column (22) form a detachable structure through the mounting hole (24), and the support column (22) is in threaded connection with the mounting block (25).

3. The open water circulation filter mechanism of a steam turbine of claim 1, wherein: the mechanism comprises a mechanism shell (1), and is characterized in that the mechanism shell (1) comprises a connecting block (11), a rotating shaft (12), a sealing plate (13) and a sealing groove (14), wherein the connecting block (11) is arranged on the right side of the outer wall of the mechanism shell (1), the rotating shaft (12) penetrates through the connecting block (11), the sealing plate (13) is fixed on the outer wall of the mechanism shell (1), and the sealing groove (14) is reserved in the sealing plate (13).

4. The open water circulation filter mechanism of a steam turbine of claim 1, wherein: the sealing cover (3) comprises a connecting plate (31) and a sealing ring (32), wherein the connecting plate (31) is fixed on the right side of the outer wall of the sealing cover (3), the sealing ring (32) is fixed at the bottom of the connecting plate (31), and the sealing ring (32) is tightly attached to the sealing groove (14).

5. The open water circulation filter mechanism of a steam turbine of claim 1, wherein: the mechanism shell (1) further comprises a slag discharging pipe (15) and a pipe cover (16), the slag discharging pipe (15) is arranged at the bottom of the mechanism shell (1), and the pipe cover (16) is arranged on the outer side of the slag discharging pipe (15).

6. The open water circulation filter mechanism of a steam turbine of claim 1, wherein: the water outlet pipe (4) is reserved on the left side of the outer wall of the mechanism shell (1), the outer wall of the water outlet pipe (4) is connected with the water pump (5), the water storage tank (6) is arranged below the water pump (5), and the water inlet pipe (7) is arranged at the bottom of the water storage tank (6).