CN219865170U

CN219865170U - Cleaning device for inside of steam turbine

Info

Publication number: CN219865170U
Application number: CN202320113877.6U
Authority: CN
Inventors: 袁克; 车延花
Original assignee: Anhui Yuteshuang Energy Saving Technology Co ltd
Current assignee: Anhui Yuteshuang Energy Saving Technology Co ltd
Priority date: 2023-01-16
Filing date: 2023-01-16
Publication date: 2023-10-20
Anticipated expiration: 2033-01-16

Abstract

The utility model discloses a cleaning device for the inside of a steam turbine, which belongs to the technical field of steam turbine cleaning, and adopts the technical scheme that the cleaning device comprises a placing rack and a cleaning mechanism, wherein placing grooves are formed in two sides of the top of the placing rack, loop bars matched with the cleaning mechanism are fixedly connected to the front side and the rear side of an inner cavity of the placing groove, the cleaning mechanism comprises a connecting pipe, a spray head, a cleaning component and a fixing component, fixing rods matched with the cleaning component are fixedly connected to two sides of the placing rack, the cleaning mechanism is used for cleaning residual impurities in the steam turbine, and the cleaning component comprises a connecting rod, a cleaning hook, a mounting block and a mounting hole.

Description

Cleaning device for inside of steam turbine

Technical Field

The utility model relates to the technical field of steam turbine cleaning, in particular to a cleaning device for the inside of a steam turbine.

Background

The steam turbine is also called a steam turbine engine, is a rotary steam power device, high-temperature and high-pressure steam passes through a fixed nozzle to become accelerated airflow and then is sprayed onto blades, so that a rotor provided with a blade row rotates and simultaneously does work outwards, and the steam turbine is main equipment of a modern thermal power plant and is also used in metallurgical industry, chemical industry and ship power devices.

The main materials built in the steam turbine are composed of chromium and molybdenum alloy steel, the steam turbine has good acid and alkali resistance, the steam turbine needs to clean the internal scale in the maintenance process, most of the existing cleaning devices in the steam turbine adopt steam injection or water injection for cleaning, residual scale is easy to appear after cleaning, cleaning is incomplete, residual phenomenon is caused to remain, cleaning is carried out again after inspection, and time is consumed.

Disclosure of Invention

1. Technical problem to be solved

The utility model provides a cleaning device for the interior of a steam turbine, and aims to solve the problems that most of the existing cleaning devices for the interior of the steam turbine adopt steam injection or water injection for cleaning, residual scaling is easy to occur after cleaning, residual phenomenon is left due to incomplete cleaning, cleaning is performed again after inspection, and time is consumed.

2. Technical proposal

The utility model is realized in such a way, the cleaning device in the steam turbine comprises a placing rack and a cleaning mechanism, wherein both sides of the top of the placing rack are provided with placing grooves, the front side and the rear side of an inner cavity of each placing groove are fixedly connected with loop bars matched with the cleaning mechanism, the cleaning mechanism comprises a connecting pipe, a spray head, a cleaning assembly and a fixing assembly, both sides of the placing rack are fixedly connected with fixing bars matched with the cleaning assembly, and the cleaning mechanism is used for cleaning residual impurities in the steam turbine; the cleaning assembly comprises a connecting rod, a cleaning hook, a mounting block and a mounting hole, wherein the bottom of the connecting rod is fixedly connected with the cleaning hook, the top of the connecting rod is fixedly connected with the bottom of the mounting block, and the mounting hole is formed in the side face of the mounting block.

In order to achieve the effect of installing the cleaning component, the cleaning device inside the steam turbine is preferable, the fixing component comprises a fixing sleeve, an installation groove matched with the installation block is formed in the front side of the fixing sleeve, a knob is arranged on one side, away from the placing frame, of the fixing sleeve, a threaded rod is fixedly connected to one side, close to the fixing sleeve, of the knob, an expansion sleeve is sleeved on the surface, away from one side of the knob, of the threaded rod, and an expansion block matched with the expansion sleeve is movably connected to one side, away from the knob, of the threaded rod.

In order to achieve the effect of moving the device, as a cleaning device in the steam turbine, preferably, a push rod is fixedly connected to the front side of the placing frame, and movable wheels are fixedly connected to the front side and the rear side of both sides of the placing frame.

In order to convey the cleaning material, as a cleaning device in the steam turbine of the present utility model, it is preferable that the connecting pipe is sleeved between the surfaces of the two sleeve bars on the front side and the rear side, the front end of the connecting pipe is externally connected with a power output device, and the rear end of the connecting pipe is communicated with the nozzle.

In order to achieve the effect of stable installation, as the cleaning device in the steam turbine, the surface of the fixing rod is preferably contacted with the inner wall of the installation hole, the connecting rod is of a telescopic adjustable structure, the front side and the rear side of the installation block are both provided with limiting grooves, and the installation block is matched with the installation grooves.

In order to facilitate the effect of adjustment, as a preferable cleaning device in the steam turbine, the bottom of the fixing sleeve is fixedly connected with the top of the spray head, one side of the expansion sleeve, which is close to the knob, is provided with a threaded hole matched with the threaded rod, and the surface of the threaded rod is movably connected with the inner wall of the threaded hole through threads.

In order to achieve the effect of stable installation of the installation block, the cleaning device in the steam turbine is preferable, one side, far away from the placing frame, of the fixing sleeve is provided with a through hole matched with the expanding sleeve, the through hole and the installation hole are conical, and the front side and the rear side of two sides of the placing frame are fixedly connected with placing plates matched with the spray head.

In order to achieve the effect of adjusting the expansion sleeve, as a cleaning device in the steam turbine, the side of the threaded rod, which is close to the expansion block, is preferably in rotary connection with the expansion block through a bearing seat, and the side of the expansion block, which is close to the inner wall of the expansion sleeve, is in contact with the inner wall of the expansion sleeve.

3. Advantageous effects

Compared with the prior art, the utility model has the beneficial effects that:

this inside belt cleaning device of steam turbine through the setting of rack, can play the supporting role to the device is whole, through the setting of standing groove, can play spacing effect, conveniently protect the connecting pipe, prevent that the connecting pipe from appearing loosely, through the setting of loop bar, can conveniently overlap the connecting pipe and establish, make its position prescribe a limit to, through cleaning mechanism's setting, can make the device wash the steam turbine inside, avoid the inside scale deposit of steam turbine to remain, reduce the emergence of residual phenomenon, improved the cleaning performance to the steam turbine inside.

Drawings

FIG. 1 is an overall block diagram of the present utility model;

FIG. 2 is a schematic view of a placement plate of the present utility model;

FIG. 3 is a schematic view of a cleaning assembly of the present utility model;

FIG. 4 is a schematic view of a partial structure of the present utility model;

fig. 5 is a schematic view of a fastening assembly according to the present utility model.

The reference numerals in the figures illustrate:

1. a placing rack; 2. a cleaning mechanism; 201. a connecting pipe; 202. a spray head; 203. cleaning the assembly; 2031. a connecting rod; 2032. cleaning the hooks; 2033. a mounting block; 2034. a mounting hole; 204. a fixing assembly; 2041. a fixed sleeve; 2042. a mounting groove; 2043. a knob; 2044. a threaded rod; 2045. enlarging the sleeve; 2046. enlarging the block; 3. a placement groove; 4. a loop bar; 5. a fixed rod; 6. a push rod; 7. a movable wheel; 8. a through port; 9. the plate is placed.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

In the description of the present utility model, it should be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate describing the present utility model and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model. Furthermore, in the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1-5, the present utility model provides the following technical solutions: the utility model provides a belt cleaning device inside the steam turbine, including rack 1 and wiper mechanism 2, rack 1's both sides at top have all been seted up standing groove 3, the front side and the rear side of standing groove 3 inner chamber all fixedly connected with and wiper mechanism 2 cooperation use loop bar 4, wiper mechanism 2 includes connecting pipe 201, shower nozzle 202, cleaning assembly 203 and fixed subassembly 204, rack 1's both sides all fixedly connected with and cleaning assembly 203 cooperation use dead lever 5, wiper mechanism 2 is used for wasing the impurity that remains inside the steam turbine;

the cleaning assembly 203 comprises a connecting rod 2031, a cleaning hook 2032, a mounting block 2033 and a mounting hole 2034, wherein the bottom of the connecting rod 2031 is fixedly connected with the cleaning hook 2032, the top of the connecting rod 2031 is fixedly connected with the bottom of the mounting block 2033, and the mounting hole 2034 is formed in the side face of the mounting block 2033.

In this embodiment: through setting up of rack 1, can play the supporting role to the device is whole, through setting up of standing groove 3, can play spacing effect, conveniently protect connecting pipe 201, prevent that connecting pipe 201 from appearing loosely, through setting up of loop bar 4, can conveniently overlap connecting pipe 201 and establish, make its position prescribe a limit to, through setting up of wiper mechanism 2, can make the device wash the steam turbine inside, avoid the inside scale deposit of steam turbine to remain, reduce the emergence of residual phenomenon, improved the cleaning performance to the steam turbine inside.

As a technical optimization scheme of the utility model, the fixing assembly 204 comprises a fixing sleeve 2041, a mounting groove 2042 matched with a mounting block 2033 is formed in the front side of the fixing sleeve 2041, a knob 2043 is arranged on one side of the fixing sleeve 2041 away from the placing frame 1, a threaded rod 2044 is fixedly connected to one side of the knob 2043 close to the fixing sleeve 2041, an expansion sleeve 2045 is sleeved on the surface of one side of the threaded rod 2044 away from the knob 2043, and an expansion block 2046 matched with the expansion sleeve 2045 is movably connected to one side of the threaded rod 2044 away from the knob 2043.

In this embodiment: through the setting of fixed subassembly 204, can play fixed effect to the installation of clearance subassembly 203, avoid clearance subassembly 203 to take place the deviation after the installation to influence the cleaning performance to the steam turbine inside.

As a technical optimization scheme of the utility model, the front side of the placing frame 1 is fixedly connected with a push rod 6, and the front side and the rear side of both sides of the placing frame 1 are fixedly connected with movable wheels 7.

In this embodiment: through the setting of push rod 6 and running wheel 7, the person of facilitating the use removes the device, and the user's of facilitating the use.

As a technical optimization scheme of the utility model, a connecting pipe 201 is sleeved between the surfaces of two sleeve rods 4 at the front side and the rear side, the front end of the connecting pipe 201 is externally connected with a power output device, and the rear end of the connecting pipe 201 is communicated with a spray head 202.

In this embodiment: through the setting of loop bar 4, can play limiting displacement to connecting pipe 201, through the setting of connecting pipe 201, can play the linking effect, conveniently carry cleaning material, through the setting of shower nozzle 202, conveniently spout cleaning material to wash steam turbine inside.

As a technical optimization scheme of the utility model, the surface of the fixing rod 5 is contacted with the inner wall of the mounting hole 2034, the connecting rod 2031 is of a telescopic adjustable structure, the front side and the rear side of the mounting block 2033 are provided with limiting grooves, and the mounting block 2033 is matched with the mounting groove 2042.

In this embodiment: through setting up of dead lever 5, can play the fixed action, conveniently place cleaning assembly 203, through the setting of spacing groove, conveniently restrict installation piece 2033, increase the stability after installation piece 2033 installs, improve the fixed effect of installation piece 2033.

As a technical optimization scheme of the utility model, the bottom of the fixed sleeve 2041 is fixedly connected with the top of the spray head 202, one side of the enlarged sleeve 2045, which is close to the knob 2043, is provided with a threaded hole matched with the threaded rod 2044, and the surface of the threaded rod 2044 is movably connected with the inner wall of the threaded hole through threads.

In this embodiment: through the setting of fixed cover 2041, can play spacing effect, conveniently install clearance subassembly 203, through the setting of knob 2043, the person of facilitating the use rotates threaded rod 2044, through the setting of threaded rod 2044 and screw hole, conveniently adjusts the position of enlarging block 2046.

As a technical optimization scheme of the utility model, a through hole 8 matched with the expansion sleeve 2045 is formed on one side of the fixed sleeve 2041 away from the placing frame 1, the through hole 8 and the mounting hole 2034 are conical, and the front side and the rear side of two sides of the placing frame 1 are fixedly connected with placing plates 9 matched with the spray heads 202.

In this embodiment: through the setting of opening 8, conveniently enlarge cover 2045 and remove, through the setting of mounting hole 2034, conveniently carry out spacingly to enlarging cover 2045, cooperate with dead lever 5, make cleaning assembly 203 hang and put, through the setting of placing plate 9, conveniently place the position of shower nozzle 202.

As a technical optimization scheme of the utility model, one side of the threaded rod 2044, which is close to the expansion block 2046, is rotationally connected with the expansion block 2046 through a bearing seat, and one side of the expansion block 2046, which is close to the inner wall of the expansion sleeve 2045, is in contact with the inner wall of the expansion sleeve 2045.

In this embodiment: the setting of bearing frame makes things convenient for threaded rod 2044 to rotate, through the setting of enlarged piece 2046, can prop out enlarged sleeve 2045, makes it reach spacing effect.

Working principle: firstly, a user moves the placing frame 1 through the push rod 6, the placing frame 1 moves through the movable wheel 7, the device moves to the inside of the steam turbine, the connecting pipe 201 is taken down from the surface of the sleeve rod 4, then the two connecting pipes 201 are respectively externally connected with cleaning water supply equipment and steam supply equipment, the spray head 202 is connected with the connecting pipe 201, then the cleaning assembly 203 is taken out from the surface of the fixed rod 5, the mounting block 2033 is inserted into the inside of the mounting groove 2042, then the expansion sleeve 2045 is inserted into the inside of the mounting hole 2034 through the through hole 8, the knob 2043 is rotated, the knob 2043 drives the threaded rod 2044 to rotate on the inner wall of the threaded hole, the threaded rod 2044 is fixed under the action of threads and pushes the expansion block 2046, the expansion block 2046 expands the expansion sleeve 2045, the expansion sleeve 2045 is tightly attached to the inner wall of the mounting hole 2034, the position of the mounting block 2033 is fixed, the user adjusts the position of the cleaning hook 2032 according to the use requirement, the user uses the cleaning water spray head 202 or the steam spray head 202 according to the requirement, accordingly, the inside is cleaned by adopting cleaning or steam, the inside is cleaned by the impurities, the inside is cleaned by the inside impurities, and the inside is not cleaned by the internal impurities, and the inside is left by the inside is left after a steam turbine is a plurality of is cleaned.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. The utility model provides a belt cleaning device inside steam turbine, includes rack (1) and wiper mechanism (2), its characterized in that: the device comprises a rack (1), wherein two sides of the top of the rack (1) are respectively provided with a placing groove (3), the front side and the rear side of an inner cavity of the placing groove (3) are respectively fixedly connected with a loop bar (4) matched with a cleaning mechanism (2), the cleaning mechanism (2) comprises a connecting pipe (201), a spray head (202), a cleaning assembly (203) and a fixing assembly (204), two sides of the rack (1) are respectively fixedly connected with a fixing rod (5) matched with the cleaning assembly (203), and the cleaning mechanism (2) is used for cleaning residual impurities in a steam turbine; the cleaning assembly (203) comprises a connecting rod (2031), a cleaning hook (2032), a mounting block (2033) and a mounting hole (2034), wherein the bottom of the connecting rod (2031) is fixedly connected with the cleaning hook (2032), the top of the connecting rod (2031) is fixedly connected with the bottom of the mounting block (2033), and the mounting hole (2034) is formed in the side face of the mounting block (2033).

2. A cleaning apparatus for use in a steam turbine according to claim 1, wherein: the fixing assembly (204) comprises a fixing sleeve (2041), a mounting groove (2042) matched with the mounting block (2033) is formed in the front side of the fixing sleeve (2041), a knob (2043) is arranged on one side, away from the rack (1), of the fixing sleeve (2041), a threaded rod (2044) is fixedly connected to one side, close to the fixing sleeve (2041), of the knob (2043), an expansion sleeve (2045) is sleeved on the surface, away from one side of the knob (2043), of the threaded rod (2044), and an expansion block (2046) matched with the expansion sleeve (2045) is movably connected to one side, away from the knob (2043), of the threaded rod (2044).

3. A cleaning apparatus for use in a steam turbine according to claim 1, wherein: the front side of rack (1) fixedly connected with push rod (6), the front side and the rear side of rack (1) both sides all fixedly connected with running wheel (7).

4. A cleaning apparatus for use in a steam turbine according to claim 1, wherein: the connecting pipe (201) is sleeved between the surfaces of the two loop bars (4) at the front side and the rear side, the front end of the connecting pipe (201) is externally connected with power output equipment, and the rear end of the connecting pipe (201) is communicated with the spray head (202).

5. A cleaning apparatus for use in a steam turbine according to claim 1, wherein: the surface of the fixed rod (5) is in contact with the inner wall of the mounting hole (2034), the connecting rod (2031) is of a telescopic adjustable structure, limiting grooves are formed in the front side and the rear side of the mounting block (2033), and the mounting block (2033) is matched with the mounting groove (2042).

6. A cleaning apparatus for use in a steam turbine according to claim 2, wherein: the bottom of fixed cover (2041) is fixedly connected with the top of shower nozzle (202), the screw hole that uses with threaded rod (2044) cooperation is seted up to one side that enlarges cover (2045) to be close to knob (2043), the surface of threaded rod (2044) passes through screw thread swing joint with the inner wall of screw hole.

7. A cleaning apparatus for use in a steam turbine according to claim 2, wherein: the utility model discloses a shower nozzle, including rack (1), fixed cover (2041), nozzle (2045), nozzle (9) are all fixed with front side and rear side, fixed cover (2041) keep away from one side of rack (1) offered with opening (8) that enlarge cover (2045) cooperation used, opening (8) and mounting hole (2034) are coniform, front side and rear side of rack (1) both sides all fixedly connected with and shower nozzle (202) cooperation use place board (9).

8. A cleaning apparatus for use in a steam turbine according to claim 2, wherein: one side of the threaded rod (2044) close to the expansion block (2046) is rotationally connected with the expansion block (2046) through a bearing seat, and one side of the expansion block (2046) close to the inner wall of the expansion sleeve (2045) is in contact with the inner wall of the expansion sleeve (2045).