CN218329514U

CN218329514U - Descaling device for condenser of power plant

Info

Publication number: CN218329514U
Application number: CN202222322803.1U
Authority: CN
Inventors: 贾仲辉; 尤振宇; 张桂平
Original assignee: Inner Mongolia North Mengxi Power Generation Co ltd
Current assignee: Inner Mongolia North Mengxi Power Generation Co ltd
Priority date: 2022-09-01
Filing date: 2022-09-01
Publication date: 2023-01-17
Anticipated expiration: 2032-09-01

Abstract

The utility model discloses a scale removal device for power plant condenser, including setting up the drive frame on the condenser, the bottom of drive frame is provided with the scale removal frame that is used for the automatic pipe hole in wasing the condenser. The utility model relates to a removable drive frame that carries on the condenser, the drive frame passes through hydraulic ram direction push-and-pull scale removal frame on the diaphragm, the loading board of scale removal frame passes through the flange dish hole cooperation of polished rod and condenser tip, stably lead the loading board translation, there is a plurality of one-to-one to treat the scavenge pipe of washing tube hole on the design loading board, the design brush hair that can go out water on the scavenge pipe, the tip of scavenge pipe still designs crushing pole and the screw thread conical head that can rotatory scale breaking, then can pass through the screw thread conical head, the brush hair of crushing pole and play water carries out the scale removal in proper order, come tertiary efficient scale removal clearance, wherein the rotatory scale breaking of efficient improves the clearance effect, the process is high efficiency, can not cause the violent injury under long-time, and is effectual.

Description

Descaling device for condenser of power plant

Technical Field

The utility model relates to a condenser cleaning equipment technical field specifically is a scale removal device for power plant condenser.

Background

The condenser is a heat exchanger for condensing the exhaust steam of the steam turbine into water, and is also called a water re-condenser. In use, a large amount of impurity dirt is accumulated in the pipeline of the condenser, and the copper pipe of the condenser is blocked. The performance of the condenser is greatly influenced by the scaling of the condenser, the end difference of the steam turbine is increased, the vacuum degree of the steam turbine is reduced, the exhaust temperature is increased, and the economical efficiency and the safety of the steam turbine are influenced.

Chinese patent application No. CN202022724973.3 discloses a scale removal device of power plant condenser, through setting up a plurality of brush hairs and scraping the strip, realize the dirt work of condensing the steam pipe, improve scale removal efficiency, the actuating mechanism that the cooperation set up, chuck and second sleeve pipe, can adjust the washing intensity of washing liquid, more comprehensive thorough cleaing away attached to the dirt inside condensing the steam pipe, reach good scale removal effect, combine the chuck and the sealing rubber ring that set up, inside avoiding the incrustation scale to flow into the condenser, reduce the intensity of scale removal work.

However, in the direct insertion cleaning mode of the brush roller, the scales in the pipe are only washed by the brush and water, the scales on the pipe wall can not be cleaned easily, the pipe wall needs to be cleaned for a long time, the pipe wall is easy to be injured due to excessive violence when the pipe is cleaned for a long time, the service life of the steam condensation pipe is further seriously lost, and the mode needs to be improved.

To this end, we provide a descaling device for power plant condensers to solve the above problems.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a scale removal device for power plant condenser to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a descaling device for a condenser of a power plant comprises a driving frame erected on the condenser, wherein the bottom of the driving frame is provided with a descaling frame for automatically cleaning an inner pipe hole of the condenser;

the driving frame comprises a hoop detachably arranged on a pipe body of the condenser, a transverse plate is fixedly connected to the hoop, and a driving structure for pushing the descaling frame to move in a guiding manner is arranged on the transverse plate;

the descaling frame comprises a bearing plate, cleaning pipes are fixedly embedded in positions, corresponding to pipe holes in the condenser, on the bearing plate, each cleaning pipe is inserted in a one-to-one correspondence mode, and a plurality of cleaning bristles capable of discharging water are arranged on each cleaning pipe;

the extension pipe of the same external diameter width of one end fixedly connected with of scavenge pipe, the sealed rotation of tip of extension pipe are connected with scale deposit and smash the pole, smash the pole and set up to cylindricality resin dull polish pole, and the tip integration of smashing the pole is provided with and is used for breaking the screw thread conical head that hinders to intraductal scale deposit, and be provided with in the extension pipe and be used for driving and smash pole pivoted electricity and drive the structure.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the clamp includes two rotation hinged arc, and two arc closures form loop configuration, the clamp wraps up in on the body of condenser through the removable cover of activity hinged arc.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the driving structure comprises a hydraulic push rod fixedly connected to a transverse plate, a piston rod end of the hydraulic push rod is fixedly connected with a rectangular strip-shaped push-pull plate, the transverse plate is provided with a guide groove by matching with the movement of the push-pull plate, and one end of the bottom of the push-pull plate is slidably connected to the guide groove.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the upper end of the bearing plate is fixedly connected with the bottom end of the push-pull plate, one side of the bearing plate, facing the condenser, is fixedly connected with polished rods arranged in an annular array, and the flange plate hole at the end part of the condenser is in sliding splicing fit with each polished rod.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the tip that the scavenge pipe is located on the loading board is open structure, the other end is enclosed construction, just one side fixedly connected with backup pad that the condenser was kept away from to the loading board, fixedly connected with water pump in the backup pad, and the delivery port of water pump communicates the open end of each scavenge pipe through many tee bend cooperation hose.

As an alternative scheme for a scale removal device of power plant condenser, wherein: a plurality of water spray holes are formed in the periphery of the inner side of the cleaning pipe, and bristles are inlaid in each water spray hole.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the electricity drives the structure including installing battery and the motor in the extension tube, and the motor is connected in the one end power supply of battery, and the output axle head of motor runs through the extension tube through sealed bearing, and the middle part of the pole is smashed to extension end fixed connection, and smashes one side fixedly connected with rotating ring board of pole orientation extension tube, and rotating ring board passes through the bearing frame and rotates to be connected on the tip of extension tube.

As an alternative scheme for a scale removal device of power plant condenser, wherein: the outer surface of the crushing rod is fixedly connected with a row of cleaning brushes, and the area of each cleaning brush is not more than one tenth of that of the crushing rod.

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

1. this a scale removal device for power plant condenser, the removable drive frame of carrying on the condenser of design, the drive frame passes through hydraulic ram direction push-and-pull scale removal frame on the diaphragm, the loading board of scale removal frame passes through the flange dish hole cooperation of polished rod and condenser tip, stabilize direction loading board translation, it waits to wash the scavenge pipe of tube hole to have a plurality of one-to-one on the design loading board, the design can go out the brush hair of water on the scavenge pipe, the tip of scavenge pipe still designs can rotate the crushing pole and the screw thread conical head of scale breaking, then can be through the screw thread conical head, the brush hair of crushing pole and play water carries out the scale removal in proper order, come tertiary efficient scale removal clearance, wherein the rotatory scale breaking of efficient improves the clearance effect, the process is high efficiency, can not cause long-time violent injury, and is effectual.

2. This a scale removal device for power plant condenser further sets up one row of brush cleaner on smashing the pole, and the brush cleaner warp and pastes broken dirt with the pipe hole inner wall and clean, can reduce the dirt on the wall and adhere to the brush hair play water of back is cleaned and is brushed, improves the clearance effect.

Drawings

Fig. 1 is a schematic front view of embodiment 1 of the present invention.

Fig. 2 is a schematic view of a condenser in the prior art.

Fig. 3 is a schematic front view of a descaling part according to embodiment 1 of the present invention.

Fig. 4 is a schematic sectional view of the connection relationship between the cleaning pipes in embodiment 1 of the present invention.

Fig. 5 is a schematic front view of embodiment 2 of the present invention.

Fig. 6 is a schematic sectional view showing the connection relationship between the cleaning pipes in embodiment 2 of the present invention.

In the figure: 1. a condenser; 2. a driving frame; 201. clamping a hoop; 202. a transverse plate; 203. a hydraulic push rod; 204. a push-pull plate; 205. a guide groove; 3. a descaling frame; 301. carrying a plate; 302. cleaning the tube; 3021. a water spray hole; 3022. brushing; 303. an extension pipe; 3031. a storage battery; 3032. a motor; 304. crushing the stems; 3041. cleaning with a brush; 305. a threaded cone head; 306. rotating the ring plate; 307. a bearing seat; 308. a support plate; 309. and (4) a water pump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1

Referring to fig. 1-3, the present invention provides a technical solution: a descaling device for a condenser of a power plant comprises a driving frame 2 erected on the condenser 1, wherein a descaling frame 3 for automatically cleaning an inner pipe hole of the condenser 1 is arranged at the bottom of the driving frame 2;

the driving frame 2 comprises a hoop 201 which is detachably arranged on a pipe body of the condenser 1;

in this embodiment, the clamp 201 includes two rotation hinged arc plates, the two arc plates are closed to form an annular structure, and the clamp 201 is wrapped on the pipe body of the condenser 1 through the detachable sleeve of the rotation hinged arc plates.

When the practical application, the tip of two arcs fastens behind the butt joint cooperation bolt through rectangular plate's otic placode for the removable suit of bogie 2 through clamp 201 is taken on condenser 1, need not to remove great heavy condenser 1, carries on scale removal equipment on condenser 1, prepares subsequent scale removal work.

A transverse plate 202 is fixedly connected to the clamp 201, and a driving structure for pushing the descaling rack 3 to move in a guiding manner is arranged on the transverse plate 202;

in this embodiment, the driving structure includes a hydraulic push rod 203 fixedly connected to the horizontal plate 202, a rectangular bar-shaped push-pull plate 204 is fixedly connected to a piston rod end of the hydraulic push rod 203, a guide groove 205 is formed in the horizontal plate 202 in cooperation with the movement of the push-pull plate 204, and one end of the bottom of the push-pull plate 204 is slidably connected to the guide groove 205.

Through the matching of the rectangular strip-shaped push-pull plate 204 and the guide groove 205, the push-pull plate 204 can stably slide on the transverse plate 202 in a guiding manner under the driving of the hydraulic push rod 203;

the descaling frame 3 comprises a bearing plate 301, cleaning pipes 302 are fixedly embedded in positions, corresponding to pipe holes in the condenser 1, on the bearing plate 301, each cleaning pipe 302 is inserted in a guiding manner corresponding to the pipe holes one by one, and each cleaning pipe 302 is provided with a plurality of cleaning bristles 3022 capable of discharging water for cleaning scales in the pipes;

in this embodiment, the upper end of the bearing plate 301 is fixedly connected to the bottom end of the push-pull plate 204, the bearing plate 301 is driven by the push-pull plate 204 to move along with the push-pull plate 204 in a stable guiding manner, and one side of the bearing plate 301 facing the condenser 1 is fixedly connected with polished rods arranged in an annular array, and the flange mouth holes at the end of the condenser 1 are in sliding insertion fit with the polished rods, so that the end of the condenser 1 horizontally symmetrical to the whole bearing plate 301 moves stably;

furthermore, the end part of the cleaning pipe 302 on the bearing plate 301 is an open structure, the other end is a closed structure, one side of the bearing plate 301 far away from the condenser 1 is fixedly connected with a supporting plate 308, a water pump 309 is fixedly connected to the supporting plate 308, and the water outlet of the water pump 309 is communicated with the open end of each cleaning pipe 302 through a multi-way pipe matching with a soft water pipe;

the following description is required: the cleaning tube 302 is provided with a plurality of water spray holes 3021 around the inside thereof, and each water spray hole 3021 is inlaid with bristles 3022.

When the water pump 309 draws water from the water supply through the water inlet, the water is distributed to the respective flexible water pipes through the manifold, and then injected into the washing pipe 302, and then the water is discharged to the outside by wetting the brush 3022 through the water spray holes 3021.

When the driving frame 2 drives the bearing plate 301 to move in a guiding manner, the cleaning tube 302 can be inserted into the tube hole to be cleaned, and the bristles 3022 wetted with the discharged water can clean scales in the tube back and forth.

One end of the cleaning pipe 302 is fixedly connected with an extension pipe 303 with the same outer diameter and width, the end part of the extension pipe 303 is hermetically and rotatably connected with a scale crushing rod 304, the crushing rod 304 is a cylindrical resin frosting rod, the end part of the crushing rod 304 is integrally provided with a threaded conical head 305 for breaking scale in the pipe, and an electric driving structure for driving the crushing rod 304 to rotate is arranged in the extension pipe 303;

in this embodiment, the electric driving structure includes a storage battery 3031 and a motor 3032 installed in the extension pipe 303, one end of the storage battery 3031 is electrically connected to the motor 3032, an output shaft end of the motor 3032 penetrates through the extension pipe 303 through a sealing bearing, the extension end is fixedly connected to the middle of the crushing rod 304, one side of the crushing rod 304 facing the extension pipe 303 is fixedly connected to a rotating ring plate 306, and the rotating ring plate 306 is rotatably connected to the end of the extension pipe 303 through a bearing seat 307.

Extension tube 303 in this structure is the hollow tube that both ends are closed, hinges a sealing door in the wall body department that corresponds battery 3031, can open and charge for battery 3031 behind extension tube 303, seals the sealing door and can let extension tube 303 avoid infringeing when inserting the downthehole pipe of treating the clearance.

When the driven direction of loading board 301 moves, the screw thread conical head 305 that is close to condenser 1 is first in exploring the tube hole, under the drive of motor 3032, drives crushing pole 304 and screw thread conical head 305 rotary motion together, and bearing frame 307 is fixed on extension pipe 303 this moment, and rotation crown plate 306 fixed connection of crushing pole 304 one end is in the inner ring of bearing frame 307 for crushing pole 304 obtains rotation support, rotation scale breaking that can be more stable.

At this moment, taking lead to the outburst through rotatory screw thread conical head 305, carrying out preliminary scale deposit and getting rid of, the follow-up grinding rod 304 lasts rotatory dull polish, comes high-efficient clearance dirt, and subsequent scavenge pipe 302 is visited into again, and remaining dirt is further cleared up to the brush hair 3022 of the water supply of going out, and then tertiary efficient scale removal clearance takes the rotatory scale of efficient to improve the clearance effect, and the process is high efficiency, can not cause the violent injury of long-time under, and is effectual.

Example 2

Based on example 1, the descaling effect is further improved, please refer to fig. 5-6:

as a further improvement of this embodiment, a row of cleaning brushes 3041 is fixedly connected to the exterior of the pulverizing rod 304, and the area of the cleaning brushes 3041 is not more than one tenth of the pulverizing rod 304.

When the crushing rod 304 rotates to remove the dirt, the cleaning brush 3041 deforms and brushes the crushed dirt against the inner wall of the pipe hole to reduce the dirt adhesion on the wall surface, so that the rear brush bristles 3022 can be used for cleaning and brushing the dirt.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a scale removal device for power plant condenser which characterized in that: the device comprises a driving frame (2) erected on a condenser (1), wherein the bottom of the driving frame (2) is provided with a descaling frame (3) for automatically cleaning an inner pipe hole of the condenser (1);

the driving frame (2) comprises a hoop (201) which is detachably arranged on a pipe body of the condenser (1), a transverse plate (202) is fixedly connected to the hoop (201), and a driving structure for pushing the descaling frame (3) to move in a guiding manner is arranged on the transverse plate (202);

the descaling frame (3) comprises a bearing plate (301), cleaning pipes (302) are fixedly embedded in positions, corresponding to pipe holes in the condenser (1), on the bearing plate (301), each cleaning pipe (302) is inserted in a one-to-one correspondence mode, and a plurality of cleaning bristles (3022) capable of discharging water are arranged on each cleaning pipe (302);

the utility model discloses a dirty water purifier, including wash pipe (302), extension pipe (303) of the same external diameter width of one end fixedly connected with of wash pipe (302), the sealed rotation of tip of extension pipe (303) is connected with scale deposit crushing rod (304), and crushing rod (304) set up to cylindricality resin abrasive rod, and the tip integration of crushing rod (304) is provided with screw thread conical head (305) that are used for breaking the interior scale deposit of pipe, and be provided with in extension pipe (303) and be used for driving crushing rod (304) pivoted electricity and drive the structure.

2. The descaling device for the condenser of the power plant according to claim 1, wherein: the clamp (201) comprises two arc plates which are hinged in a rotating mode, the two arc plates are closed to form an annular structure, and the clamp (201) is wrapped on a pipe body of the condenser (1) through a detachable sleeve of the arc plates which are hinged in a moving mode.

3. The descaling device for the condenser of the power plant according to claim 1, wherein: the driving structure comprises a hydraulic push rod (203) fixedly connected to a transverse plate (202), a piston rod end of the hydraulic push rod (203) is fixedly connected with a rectangular strip-shaped push-pull plate (204), the transverse plate (202) is matched with the push-pull plate (204) to move to form a guide groove (205), and one end of the bottom of the push-pull plate (204) is connected to the guide groove (205) in a sliding mode.

4. The descaling device for the condenser of the power plant according to claim 3, wherein: the upper end of the bearing plate (301) is fixedly connected with the bottom end of the push-pull plate (204), one side of the bearing plate (301) facing the condenser (1) is fixedly connected with polished rods arranged in an annular array, and a flange opening hole at the end of the condenser (1) is matched with each polished rod in a sliding insertion manner.

5. The descaling device for the condenser of the power plant according to claim 1, wherein: the tip that cleaning tube (302) are located on loading board (301) is open structure, the other end is enclosed construction, just one side fixedly connected with backup pad (308) of condenser (1) are kept away from in loading board (301), fixedly connected with water pump (309) on backup pad (308), and the delivery port of water pump (309) communicates the open end of each cleaning tube (302) through leading to pipe cooperation hose more.

6. The descaling device for the condenser of the power plant according to claim 5, wherein: a plurality of water spray holes (3021) are formed in the periphery of the inner side of the cleaning pipe (302), and bristles (3022) are inlaid in each water spray hole (3021).

7. The descaling device for the condenser of the power plant according to claim 6, wherein: the electric drive structure comprises a storage battery (3031) and a motor (3032) which are installed in an extension pipe (303), the motor (3032) is connected with one end of the storage battery (3031) in a power supply mode, the output shaft end of the motor (3032) penetrates through the extension pipe (303) through a sealing bearing, the middle of an extension end fixedly connected with a crushing rod (304) is arranged in the middle, the crushing rod (304) faces one side of the extension pipe (303) and is fixedly connected with a rotating ring plate (306), and the rotating ring plate (306) is rotatably connected to the end of the extension pipe (303) through a bearing seat (307).

8. The descaling device for the condenser of the power plant according to claim 7, wherein: a row of cleaning brushes (3041) is fixedly connected to the outer surface of the crushing rod (304), and the area of the cleaning brushes (3041) is not more than one tenth of that of the crushing rod (304).