CN220524752U

CN220524752U - Cleaning device for tube bundle of steam turbine condenser

Info

Publication number: CN220524752U
Application number: CN202321826412.1U
Authority: CN
Inventors: 袁争争
Original assignee: Anhui Zhengyufeng Energy Saving Technology Co ltd
Current assignee: Anhui Zhengyufeng Energy Saving Technology Co ltd
Priority date: 2023-07-12
Filing date: 2023-07-12
Publication date: 2024-02-23
Anticipated expiration: 2033-07-12

Abstract

The utility model provides a steam turbine condenser tube bundle cleaning device, which relates to the technical field of cleaning devices and comprises a cleaning box, wherein a box cover is arranged above the cleaning box, a pressing component is arranged below the box cover, a supporting base is arranged below the cleaning box, a driving component is arranged on the inner side of the supporting base, a placing disc is arranged on the inner side of the cleaning box, a supporting column is arranged below the placing disc, the lower end of the supporting column penetrates through the cleaning box and is connected with the supporting base, a connecting cylinder is arranged on the outer side of the supporting column and is connected with the driving component, and the connecting cylinder is connected with the supporting column through a bearing.

Description

Cleaning device for tube bundle of steam turbine condenser

Technical Field

The utility model relates to the technical field of cleaning devices, in particular to a cleaning device for a tube bundle of a steam turbine condenser.

Background

The condenser is an important part of a power station unit and is used for condensing exhaust steam discharged by the steam turbine into water and establishing and maintaining a certain vacuum value at a steam discharge port of the steam turbine. The design of the power station condenser is divided into two stages of thermal design and pipe distribution design, if the arrangement of the later condenser pipe bundles is reasonable, the performance of the condenser designed according to the HEI standard in the thermal design stage can be improved to different degrees, and if the design is unreasonable, the performance of the condenser designed according to the HEI standard can be even reduced.

In the process of using the condenser tube bundle, the phenomenon that dirt is accumulated on the outer surface of the condenser tube bundle can occur along with the increase of time, so that the working efficiency of the condenser tube bundle is affected, and the condenser tube bundle needs to be cleaned, for example, the cooling tube bundle cleaning device is disclosed in the prior art (publication No. CN 218395130U), the cooling tube bundle main body is driven to rotate in a carrying cavity by utilizing a driving motor through an electromagnetic chuck, a flushing tube can be used for supplying water to the flushing tube bundle at high pressure by utilizing a high-pressure water supply tube, the outer surface of the rotating cooling tube bundle main body is flushed at high pressure, the whole cleaning process is realized, the whole mechanical cleaning is convenient, time and labor are saved, and the problems that the labor intensity is high and the lower surface of the cooling tube bundle is inconvenient to clean in the past are effectively solved.

Based on the discovery of the prior art, the existing tube bundle cleaning device directly takes out the cleaned tube bundle after cleaning the tube bundle, but water drops still adhere to the surface of the cleaned tube bundle, so that the tube bundle after being taken out can have a large amount of water drops, a certain influence is brought to the working environment around the cleaning device, meanwhile, a certain time is required for drying, the overall efficiency is lower, meanwhile, due to the fact that the weight of the tube bundle is large, unstable conditions exist more or less when the tube bundle rotates, and therefore the utility model provides the steam turbine condenser tube bundle cleaning device to solve the problems in the prior art.

Disclosure of Invention

The utility model aims to solve the problems that the prior art can bring influence to the surrounding working environment and has poor stability.

In order to achieve the purpose of the utility model, the utility model is realized by the following technical scheme: the utility model provides a steam turbine condenser tube bank belt cleaning device, includes washs the case, the case lid is installed to the top of washing the case, and pushes down the subassembly below of case lid, the support base is installed to the below of washing the case, and supports the inboard of base and install drive assembly, the inboard of washing the case is equipped with places the dish, and places the below of dish and install the support column, the lower extreme of support column runs through washs the case to be connected with support base, the outside of support column is equipped with the connecting cylinder, and the connecting cylinder is connected with drive assembly, the connecting cylinder passes through the bearing and is connected with the support column, and installs the assembly jig in the outside of connecting cylinder, the assembly jig evenly is equipped with four groups, and installs the wash pipe group on two sets of assembly jigs, installs the stoving nest of tubes on the assembly jig in the other two sets.

The further improvement is that: the upper end of the connecting cylinder penetrates through the cleaning box and is connected with the cleaning box through a bearing, an annular sliding rail is arranged on the placing disc above the connecting cylinder, two groups of arc-shaped sliding blocks which are symmetrically arranged are arranged on the annular sliding rail, and the arc-shaped sliding blocks are connected with the connecting cylinder.

The further improvement is that: the lower pressure assembly comprises a lower pressure cylinder, the lower pressure cylinder is connected with the box cover, a lower pressure plate is arranged at the telescopic end of the lower pressure cylinder, an arc-shaped pipeline through opening is formed in the box cover, and a plurality of groups of arc-shaped pipeline through openings are formed in the box cover.

The further improvement is that: the driving assembly comprises two groups of driving motors which are symmetrically arranged, the driving motors are connected with the supporting base through brackets, driving gears are arranged at the output ends of the driving motors, annular driven gears are arranged between the driving motors on the connecting cylinders, and the annular driven gears are meshed with the driving gears.

The further improvement is that: the cross-section of assembly jig is L shape, and the shorter one end of assembly jig is connected with the connecting cylinder, the outside of assembly jig is equipped with spacing spout on wasing the case, be equipped with the draw runner in the spacing spout, and the quantity of draw runner corresponds with the quantity of assembly jig, the draw runner is connected with the assembly jig.

The further improvement is that: both sides of the cleaning box are provided with drain outlets.

The further improvement is that: the box cover is connected with the cleaning box through threads.

The beneficial effects of the utility model are as follows: this kind of steam turbine condenser tube bank belt cleaning device can carry out the stoving operation immediately after through the cooperation of assembly jig, wash pipe group and stoving pipe group that sets up to the condenser tube bank washs, then make the condenser tube bank after taking out can get into in the middle of the subsequent operation, the cooperation of rethread connecting cylinder that sets up, the support column, annular driven gear, driving gear and driving motor, can drive the assembly jig and reciprocate, replace the mode of rotating the condenser tube bank, ensure belt cleaning device stability from this, the abluent effect is guaranteed, further cooperation through pushing down cylinder and holding down plate can produce a centre gripping effect to the condenser tube bank, avoid its condition that rocks when wasing, further rethread draw runner and spacing spout's cooperation, strengthen the relation of connection between assembly jig and the washbox, alleviate the pressure of connecting cylinder, ensure that the assembly jig has sufficient stability at pivoted in-process, and in the abluent in-process of pipe bank, can effectually avoid sewage to splash outside the belt cleaning device.

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 according to these drawings without inventive faculty for a person skilled in the art.

Fig. 1 is a schematic elevational view of the present utility model.

Fig. 2 is a schematic top view of the mounting bracket distribution of the present utility model.

Fig. 3 is a schematic bottom view of the annular slide rail of the present utility model.

Fig. 4 is a schematic top view of the case lid of the present utility model.

Wherein: 1. a cleaning box; 2. a case cover; 3. a support base; 4. placing a tray; 5. a support column; 6. a connecting cylinder; 7. an assembly frame; 8. a flushing pipe group; 9. a drying tube group; 10. an annular slide rail; 11. an arc-shaped sliding block; 12. a pressing cylinder; 13. a lower pressing plate; 14. an arc-shaped pipeline through hole; 15. a driving motor; 16. a drive gear; 17. a ring driven gear; 18. limiting sliding grooves; 19. a slide bar; 20. a sewage outlet; 21. a condenser tube bundle.

Detailed Description

The present utility model will be further described in detail with reference to the following examples, which are only for the purpose of illustrating the utility model and are not to be construed as limiting the scope of the utility model.

According to the embodiment, as shown in fig. 1-4, the cleaning device for the condenser tube bundle of the steam turbine comprises a cleaning box 1, drain outlets 20 are formed in two sides of the bottom of the cleaning box 1, corresponding drain valves are arranged on the drain outlets 20, in the embodiment, sewage generated in the cleaning process is discharged from the drain outlets 20, a box cover 2 is arranged above the cleaning box 1, the box cover 2 is connected with the cleaning box 1 through threads, then when the box cover 2 is taken out, the box cover 2 is rotated by a worker, under the action of threaded connection, the box cover 2 can be completely taken out from the cleaning box 1, after the box cover 2 is taken out, the condenser tube bundle 21 is vertically placed into the cleaning box 1 by the worker and external hoisting equipment, then the box cover 2 is screwed again, and then the situation that sewage splashes out during cleaning can not occur, so that the working environment around the cleaning box 1 is effectively protected.

The lower pressure component is installed to the below of case lid 2, the subassembly of pushing down includes pushing down cylinder 12, and pushing down cylinder 12 is connected with case lid 2, the part of pushing down cylinder 12 is run through case lid 2, simultaneously pushing down cylinder 12's flexible end installs holding down plate 13, holding down plate 13 self is in the vertically decurrent state, further behind condenser tube bank 21 places, start pushing down cylinder 12, pushing down cylinder 12 promotes holding down plate 13 and moves down, can produce a down force to condenser tube bank 21 then, thereby play the effect of a compress tightly, be equipped with arc pipeline opening 14 on case lid 2, and arc pipeline opening 14 is equipped with a plurality of groups, in this embodiment, arc pipeline opening 14 is equipped with two sets of, arc pipeline opening 14 is not the annular setting, its aim at makes things convenient for the pipeline to pass through, and have certain pipeline movable space, but also play spacing effect simultaneously.

The support base 3 is installed in the below of wasing case 1, the upper end and the washing case 1 of support base 3 are connected, and drive assembly is installed to the inboard of support base 3, wherein drive assembly includes that two sets of driving motor 15 that are the symmetry setting, driving motor 15 passes through the support and is connected with support base 3, and driving motor 15's output installs driving gear 16, install annular driven gear 17 on connecting cylinder 6 between two sets of driving motor 15, annular driven gear 17 meshes with driving gear 16, during operation, drive driving gear 16 through driving motor 15 rotates, drive annular driven gear 17 from this and rotate, further drive connecting cylinder 6 rotates.

The inner side of the washing box 1 is provided with a placing disc 4, a supporting column 5 is arranged below the placing disc 4, the lower end of the supporting column 5 penetrates through the washing box 1 and is connected with the bottom of the supporting base 3, the placing disc 4 is in a fixed state, the outer side of the supporting column 5 is provided with a connecting cylinder 6, the connecting cylinder 6 is connected with a driving component, the connecting cylinder 6 is connected with the supporting column 5 through a bearing, namely, the connecting cylinder 6 can rotate automatically under the action of the driving component, meanwhile, the outer side of the connecting cylinder 6 is provided with assembling frames 7, the assembling frames 7 are uniformly provided with four groups, two groups of assembling frames 7 are provided with flushing pipe groups 8, the other two groups of assembling frames 7 are provided with drying pipe groups 9, the assembling frames 7 are positioned in the washing box 1, namely, the upper end of the connecting cylinder 6 penetrates through the washing box 1 and is connected with the washing box 1 through a bearing, the inner side of the further connecting cylinder 6 is connected with the supporting column 5 through the bearing, the connecting tube 6 has more connecting points, better stability and bearing performance, and can drive the assembly frame 7 to rotate in the process of rotating the connecting tube 6, thereby cleaning and drying the condenser tube bundle 21, specifically, the flushing tube group 8 is provided with a plurality of flushing spray heads, the flushing spray heads are sequentially provided with a plurality of groups from top to bottom, the upper end of the flushing tube group 8 is provided with a high-pressure water supply tube, the upper end of the high-pressure water supply tube passes through the arc-shaped pipeline port 14 and is connected with external high-pressure water supply equipment, then the flushing spray head is started in operation, the condenser tube bundle 21 can be cleaned by utilizing high-pressure water flow, the connecting tube 6 can rotate at the same time, in the implementation, the rotating mode of the connecting tube 6 is that the condenser tube bundle 21 rotates clockwise by 180 degrees and then rotates anticlockwise by 180 degrees, the cleaning process is performed reciprocally, then after the cleaning process is finished, the corresponding flushing spray heads are closed, then the drying pipe group 9 is opened, the drying pipe group 9 is provided with air nozzles, meanwhile, the upper end of the drying pipe group 9 is provided with a hot air supply pipe, the upper end of the drying pipe group passes through the arc-shaped pipeline through hole 14 and is connected with external hot air supply equipment, after the cleaning process is performed, hot air is sprayed out of the drying pipe group 9 to dry the condenser pipe bundle 21, after the drying process is finished, the condenser pipe bundle 21 is taken out again, and the situation that the condenser pipe bundle 21 is taken out directly after the cleaning process is effectively avoided, so that a certain influence is brought to the surrounding working environment.

The annular slide rail 10 is installed on the placing disc 4 above the specific connecting cylinder 6, two groups of arc-shaped slide blocks 11 which are symmetrically arranged are installed on the annular slide rail 10, and the arc-shaped slide blocks 11 are connected with the connecting cylinder 6, so that the connection relation between the connecting cylinder 6 and the placing disc 4 is enhanced through the cooperation of the arc-shaped slide blocks 11 and the annular slide rail 10, and the stability of the connecting cylinder 6 during rotation is improved.

Then the cross section of assembly jig 7 is L shape, and the shorter one end of assembly jig 7 is connected with connecting cylinder 6, be equipped with spacing spout 18 on washbox 1 in the outside of assembly jig 7, be equipped with draw runner 19 in the spacing spout 18, and the quantity of draw runner 19 corresponds with the quantity of assembly jig 7, draw runner 19 is connected with assembly jig 7 draw runner 19 and is slided in spacing spout 18, then through the cooperation of draw runner 19 and spacing spout 18, make the assembly jig 7 produce the relation of connection with washbox 1, from this at assembly jig 7 pivoted in-process, remain sufficient stability, and alleviateed the loading pressure of connecting cylinder 6.

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. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims

1. A steam turbine condenser tube bank belt cleaning device, its characterized in that: including wasing case (1), case lid (2) are installed to the top of wasing case (1), and push down the subassembly in the below of case lid (2), support base (3) are installed in the below of wasing case (1), and support the inboard of base (3) and install drive assembly, the inboard of wasing case (1) is equipped with places dish (4), and places the below of dish (4) and install support column (5), the lower extreme of support column (5) runs through wasing case (1) to be connected with support base (3), the outside of support column (5) is equipped with connecting cylinder (6), and connecting cylinder (6) are connected with drive assembly, connecting cylinder (6) are connected with support column (5) through the bearing, and the assembly jig (7) are installed in the outside of connecting cylinder (6), assembly jig (7) evenly are equipped with four groups, and install on two sets of assembly jigs (7) wash nest of tubes (8), two sets in addition install stoving (9) on assembly jig (7).

2. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: the upper end of the connecting cylinder (6) penetrates through the cleaning box (1) and is connected with the cleaning box (1) through a bearing, an annular sliding rail (10) is arranged above the connecting cylinder (6) on the placing disc (4), two groups of arc-shaped sliding blocks (11) which are symmetrically arranged are arranged on the annular sliding rail (10), and the arc-shaped sliding blocks (11) are connected with the connecting cylinder (6).

3. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: the pressing assembly comprises a pressing cylinder (12), the pressing cylinder (12) is connected with the box cover (2), a pressing plate (13) is arranged at the telescopic end of the pressing cylinder (12), an arc-shaped pipeline through hole (14) is formed in the box cover (2), and a plurality of groups of arc-shaped pipeline through holes (14) are formed in the box cover.

4. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: the driving assembly comprises two groups of driving motors (15) which are symmetrically arranged, the driving motors (15) are connected with the supporting base (3) through brackets, driving gears (16) are arranged at the output ends of the driving motors (15), annular driven gears (17) are arranged on the connecting cylinders (6) between the driving motors (15), and the annular driven gears (17) are meshed with the driving gears (16).

5. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: the cross-section of assembly jig (7) is L shape, and the shorter one end of assembly jig (7) is connected with connecting cylinder (6), the outside of assembly jig (7) is equipped with spacing spout (18) on wasing case (1), be equipped with draw runner (19) in spacing spout (18), and the quantity of draw runner (19) corresponds with the quantity of assembly jig (7), draw runner (19) are connected with assembly jig (7).

6. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: both sides of the cleaning box (1) are provided with drain outlets (20).

7. The steam turbine condenser tube bundle cleaning device according to claim 1, wherein: the box cover (2) is connected with the cleaning box (1) through threads.