CN220195696U

CN220195696U - Cleaning device for turbine blade

Info

Publication number: CN220195696U
Application number: CN202321143964.2U
Authority: CN
Inventors: 王传华
Original assignee: Jiangsu Tengyuan Machinery Technology Co ltd
Current assignee: Jiangsu Tengyuan Machinery Technology Co ltd
Priority date: 2023-05-12
Filing date: 2023-05-12
Publication date: 2023-12-19
Anticipated expiration: 2033-05-12

Abstract

The utility model relates to the technical field of cleaning devices, and discloses a cleaning device for turbine blades, which comprises a shell, wherein a circulating assembly is fixedly connected to the outer wall of one end of the shell, rotor blades are rotatably arranged in the shell, a connecting pipe is fixedly arranged at one end of the circulating assembly, the tail end of the connecting pipe extends into the shell after penetrating through the corresponding position on the shell, a converter water pipe is fixedly arranged at the tail end of the connecting pipe, and a plurality of groups of symmetrically arranged regulating pipes are rotatably arranged at the lower end of the converter water pipe. This kind of belt cleaning device of steam turbine blade through setting up multiunit rotatable governing pipe and intercommunication mount pad and shower nozzle etc. in the below of converter water pipe, can outside adjustment shower nozzle's angle under the effect of traction lever for the shower nozzle can swing at the in-process of spraying water, can enlarge its cleaning range who sprays water flow when the shower nozzle swings, and the water flow of slope can wash the cleanness dead angle department to blade lower extreme junction, makes this blade clean more thoroughly.

Description

Cleaning device for turbine blade

Technical Field

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

Background

The steam turbine is also called a steam turbine engine, and 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. Steam turbines are the main equipment of modern thermal power plants and are also used in metallurgical industry, chemical industry and ship power plants. The steam of the small and medium-sized steam turbine mainly comes from superheated and saturated steam generated by a small industrial boiler, a waste heat boiler or a gasification furnace, and because the small industrial boiler, the waste heat boiler or the gasification furnace has no strict requirement on water, the pollution discharge control aspect in the operation is also not standard, so that the generated steam has poor quality and higher salt content, the salt is brought into a turbine through-flow part along with the steam and separated out along with the reduction of the pressure of the steam in the turbine, and is deposited on the turbine through-flow part to form turbine blade scaling, the turbine through-flow area is reduced, the steam inlet quantity is reduced, the power is reduced, and the efficiency is reduced.

In the cleaning of traditional turbine parts, the turbine rotor blades and the partition plates are cleaned by adopting a lift cylinder for the second time at present to remove the scaling of the turbine blades, and the defects are that the lift cylinder of the turbine is cleaned, the working environment is bad, the maintenance time is long, the labor intensity is high and the working efficiency is low; frequent cylinder uncovering is easy to cause deformation of the cylinder body joint surface and equipment damage, spare part consumption is large, and production cost is increased; in addition, personal injury accidents easily occur in the cylinder uncovering process, and potential safety hazards exist.

Among the prior art, patent number CN217206588U discloses a belt cleaning device of turbine blade, including the turbine casing, the turbine casing becomes cylindric, the inboard installation of casing is fixed with the rotor, rotor center part is provided with a plurality of evenly arranged's blade, the blade top is provided with the converter, the casing outside that converter one end corresponds the position is provided with electromagnetic control valve, the control valve other end passes through pipe connection with the suction pump, the suction pump sets up in the water tank top, the casing outside that the converter other end corresponds the position is provided with electromagnetic reversing valve, the wash port has been seted up to casing bottom edge position, the wash port bottom is provided with filter equipment, filter equipment passes through pipe connection with the basin. According to the utility model, the turbine blade is cleaned under the condition of not uncovering the cylinder, so that the working efficiency is improved, the probability of safety accidents is reduced, the cleaning liquid meets the cleaning requirement after being filtered twice, and the cleaning liquid is recycled, thereby reducing the waste.

According to the technical scheme, although the working efficiency can be improved and the probability of safety accidents can be reduced, the installation angle and the water spraying angle of the spray head in the technical scheme are fixed, and when the spray head is used, water spraying cleaning can only be carried out on a certain position on the blade, but the positions of corners at the lower end of the blade are effectively cleaned.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides the cleaning device for the turbine blade, so that the water spraying angle of the spray head can be changed, and dead angles for cleaning the blade are avoided.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a belt cleaning device of steam turbine blade, includes the casing, the one end outer wall fixedly connected with circulation subassembly of casing, and rotor blade is installed in the inside rotation of casing, the one end fixed mounting of circulation subassembly has the connecting pipe, and the terminal of connecting pipe runs through and corresponds the position on the casing and extend to in the casing, and the terminal fixed mounting of connecting pipe has the converting pipe, and the lower extreme of converting pipe rotates installs the regulation pipe that multiunit symmetry set up, and the equal fixedly connected with of the other end of multiunit regulation pipe communicates the mount pad, and the bottom movable mounting of intercommunication mount pad has the shower nozzle, and the outer wall of intercommunication mount pad rotates and is connected with the traction lever, and the other end and the adjacent intercommunication mount pad outer wall of traction lever rotate to be connected, wherein keep away from on the intercommunication mount pad outer wall of circulation subassembly rotate the traction lever end run through correspond the position on the casing and extend to outside the casing.

Preferably, a guide block is fixedly arranged on the outer wall of the tail end of the traction rod outside the shell, a reciprocating screw rod is arranged on the guide block in a penetrating mode, the reciprocating screw rod is in threaded connection with the guide block, and one end, close to the shell, of the reciprocating screw rod is in rotary connection with the outer wall of the shell.

Preferably, the mounting frame is fixedly arranged at the position, corresponding to the reciprocating screw rod, of the outer wall of the shell, and the other tail end of the reciprocating screw rod penetrates through the mounting frame and extends to the other side of the mounting frame.

Preferably, a driving motor is fixedly arranged on the outer wall of the mounting frame and at a position corresponding to the tail end of the reciprocating screw rod, and the driving motor is fixedly connected with the tail end of the reciprocating screw rod.

Preferably, the spray head and the communication mounting seat are in threaded connection.

Preferably, the multiple groups of adjusting pipes are uniformly distributed at the bottom of the converter water pipe.

Preferably, the number of spray heads is not less than the number of blades on the rotor blade.

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

this kind of belt cleaning device of steam turbine blade through setting up multiunit rotatable governing pipe and intercommunication mount pad and shower nozzle etc. in the below of converter water pipe, can outside adjustment shower nozzle's angle under the effect of traction lever for the shower nozzle can swing at the in-process of spraying water, can enlarge its cleaning range who sprays water flow when the shower nozzle swings, and the water flow of slope can wash the cleanness dead angle department to blade lower extreme junction, makes this blade clean more thoroughly.

Drawings

FIG. 1 is a schematic view of the overall structure of the main body of the present utility model;

FIG. 2 is a schematic cross-sectional view of a housing structure according to the present utility model;

FIG. 3 is a schematic side view of a converter tube according to the present utility model;

FIG. 4 is an enlarged schematic view of a portion of the utility model at A in FIG. 1;

fig. 5 is an enlarged partial schematic view of fig. 2B in accordance with the present utility model.

In the figure: 1. a housing; 2. a rotor blade; 3. a circulation assembly; 4. a connecting pipe; 5. a converter water pipe; 6. an adjusting tube; 7. the connecting mounting seat; 8. a spray head; 9. a traction rod; 10. a guide block; 11. a mounting frame; 12. a reciprocating screw rod; 13. and driving the motor.

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.

Examples

The technical scheme of the utility model is further described below with reference to the attached drawings and the embodiments. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting thereof. It should be further noted that, for convenience of description, only some, but not all of the drawings related to the present utility model are shown.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "connected," "connected," and "fixed" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

In the present utility model, unless expressly stated or limited otherwise, a first feature "above" or "below" a second feature may include both the first and second features being in direct contact, as well as the first and second features not being in direct contact but being in contact with each other through additional features therebetween. Moreover, a first feature being "above," "over" and "on" a second feature includes the first feature being directly above and obliquely above the second feature, or simply indicating that the first feature is higher in level than the second feature. The first feature being "under", "below" and "beneath" the second feature includes the first feature being directly under and obliquely below the second feature, or simply means that the first feature is less level than the second feature.

In the description of the present embodiment, the terms "upper", "lower", "left", "right", etc., azimuth or positional relationship are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of description and simplification of operations, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely for distinguishing between descriptions and not for distinguishing between them.

Referring to fig. 1-5, a cleaning device for steam turbine blades includes a casing 1, a circulation assembly 3 is fixedly connected to an outer wall of one end of the casing 1, a rotor blade 2 is rotatably installed in the casing 1, a connecting pipe 4 is fixedly installed at one end of the circulation assembly 3, the tail end of the connecting pipe 4 extends into the casing 1 through a corresponding position on the casing 1, a converter pipe 5 is fixedly installed at the tail end of the connecting pipe 4, a plurality of groups of symmetrically arranged adjusting pipes 6 are rotatably installed at the lower end of the converter pipe 5, communication installation seats 7 are fixedly connected to the other ends of the plurality of groups of adjusting pipes 6, a spray head 8 is movably installed at the bottom of the communication installation seats 7, a traction rod 9 is rotatably connected to the outer wall of the communication installation seat 7, and the other ends of the traction rod 9 are rotatably connected to the outer wall of the adjacent communication installation seats 7, wherein the tail end of the traction rod 9 rotatably installed on the outer wall of the communication installation seat 7 far away from the circulation assembly 3 extends to the outside the casing 1 through the corresponding position on the casing 1.

According to the cleaning device for the steam turbine blades, when the cleaning device is used, the rotor blades 2 in the shell 1 can be cleaned under the action of cleaning liquid sprayed out of the water exchange pipe 5, the cleaning liquid after the use can be recycled after being recovered and filtered by the circulating assembly 3, the main structure in the technical scheme is similar to that of the cleaning device for the steam turbine blades disclosed in the patent No. CN217206588U, the circulating assembly 3 in the technical scheme comprises the water suction pump, the electromagnetic control valve, the water tank, the filter and the like, when the device is started to clean the rotor blades 2 in the shell 1, a user can control the tail ends of the traction rods 9 positioned outside the shell 1, the traction rods 9 can relatively displace with the shell 1 when the traction rods 9 are subjected to external force, the plurality of traction rods 9 are matched with each other, so that the spray directions of the plurality of spray heads 8 are synchronously changed, after the spray directions of the spray heads 8 are inclined, the cleaning dead corners at the connection positions of the lower ends of the blades can be washed, and the device can clean the rotor blades 2 more fully when the device is used.

As shown in fig. 4, the outer wall of the tail end of the traction rod 9 outside the shell 1 is fixedly provided with a guide block 10, the guide block 10 is provided with a reciprocating screw rod 12 in a penetrating way, the reciprocating screw rod 12 is in threaded connection with the guide block 10, one end of the reciprocating screw rod 12, which is close to the shell 1, is rotationally connected with the outer wall of the shell 1, when the reciprocating screw rod 12 rotates, the guide block 10 slides along the outer wall of the reciprocating screw rod 12, and under the driving of the guide block 10, a plurality of traction rods 9 can be matched together to adjust the water spraying angle of the spray head 8, the spray head 8 can also swing while spraying water, and the cleaning dead angles on the rotor blade 2 can be reduced while the cleaning range of the spray head 8 is enlarged.

As shown in fig. 4, the mounting frame 11 is fixedly installed at the position corresponding to the outer wall of the casing 1 and the reciprocating screw rod 12, the other end of the reciprocating screw rod 12 extends to the other side of the mounting frame 11 through the mounting frame 11, and the mounting frame 11 enables the combined structure between the reciprocating screw rod 12 and the guide block 10 to be more stable.

As shown in fig. 4, a driving motor 13 is fixedly installed on the outer wall of the mounting frame 11 and the end of the reciprocating screw rod 12 at a position corresponding to the end of the reciprocating screw rod, the driving motor 13 is fixedly connected with the end of the reciprocating screw rod 12, and the driving motor 13 can be externally connected into a control system, so that the device can automatically control the angle of the spray head 8 when in use, and the device is more convenient to use.

As shown in fig. 3, the spray head 8 and the communication mounting seat 7 are in threaded connection, and the spray head 8 can be detached and replaced with the communication mounting seat 7 after rotating.

As shown in fig. 2, the multiple groups of adjusting pipes 6 are uniformly distributed at the bottom of the converter water pipe 5, and the nozzles 8 are arranged on the communication mounting seats 7 below the uniformly distributed adjusting pipes 6, and the nozzles 8 are uniformly distributed below the converter water pipe 5, so that water flows sprayed by the multiple nozzles 8 can uniformly clean all positions on the rotor blade 2.

As shown in FIG. 2, the number of the spray heads 8 is not smaller than the number of the blades on the rotor blade 2, so that the spray heads 8 can spray water everywhere on the rotor blade 2 when spraying water, and the cleaning effect of the device on the rotor blade 2 is better.

It is to be understood that the above examples of the present utility model are provided for clarity of illustration only and are not limiting of the embodiments of the present utility model. Other variations or modifications of the above teachings will be apparent to those of ordinary skill in the art. It is not necessary here nor is it exhaustive of all embodiments. Any modification, equivalent replacement, improvement, etc. which come within the spirit and principles of the utility model are desired to be protected by the following claims.

Claims

1. The utility model provides a belt cleaning device of steam turbine blade, includes casing (1), and the one end outer wall fixedly connected with circulation subassembly (3) of casing (1), rotor blade (2), its characterized in that are installed in the inside rotation of casing (1): one end fixed mounting of circulation subassembly (3) has connecting pipe (4), the end of connecting pipe (4) runs through in corresponding position extends to casing (1) on casing (1), the end fixed mounting of connecting pipe (4) has converter tube (5), regulation pipe (6) that multiunit symmetry set up are installed in the lower extreme rotation of converter tube (5), the equal fixedly connected with intercommunication mount pad (7) of the other end of multiunit regulation pipe (6), the bottom movable mounting of intercommunication mount pad (7) has shower nozzle (8), the outer wall rotation of intercommunication mount pad (7) is connected with drawbar (9), the other end and the adjacent intercommunication mount pad (7) outer wall rotation of drawbar (9) are connected, wherein keep away from on the intercommunication mount pad (7) outer wall of circulation subassembly (3) the end run through corresponding position on casing (1) and extend to outside casing (1).

2. A cleaning apparatus for steam turbine blades as defined in claim 1, wherein: the traction rod (9) is located at the outer end of the shell (1), the outer wall of the tail end is fixedly provided with a guide block (10), a reciprocating screw rod (12) is arranged on the guide block (10) in a penetrating mode, the reciprocating screw rod (12) is in threaded connection with the guide block (10), and one end, close to the shell (1), of the reciprocating screw rod (12) is connected with the outer wall of the shell (1) in a rotating mode.

3. A cleaning apparatus for steam turbine blades as defined in claim 2, wherein: the outer wall of the shell (1) is fixedly provided with a mounting frame (11) at a position corresponding to the reciprocating screw rod (12), and the other end of the reciprocating screw rod (12) penetrates through the mounting frame (11) and extends to the other side of the mounting frame (11).

4. A cleaning apparatus for steam turbine blades as defined in claim 3, wherein: the outer wall of the mounting frame (11) and the tail end of the reciprocating screw rod (12) are fixedly provided with a driving motor (13), and the driving motor (13) is fixedly connected with the tail end of the reciprocating screw rod (12).

5. A cleaning apparatus for steam turbine blades as defined in claim 1, wherein: the spray head (8) is in threaded connection with the communication installation seat (7).

6. A cleaning apparatus for steam turbine blades as defined in claim 1, wherein: the plurality of groups of regulating pipes (6) are positioned at the bottom of the water exchanging pipe (5) and are uniformly distributed.

7. A cleaning apparatus for steam turbine blades as defined in claim 5, wherein: the number of the spray heads (8) is not smaller than the number of the blades on the rotor blade (2).