CN219440938U

CN219440938U - Cleaning device of dehydrator

Info

Publication number: CN219440938U
Application number: CN202320708575.3U
Authority: CN
Inventors: 文邦豪; 包玉莲; 王华超; 纪乙智; 何有昌; 于昊良; 黄垂洪; 邓家德
Original assignee: Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Current assignee: Dongfang Power Plant of Huaneng Hainan Power Generation Co Ltd
Priority date: 2023-03-31
Filing date: 2023-03-31
Publication date: 2023-08-01
Anticipated expiration: 2033-03-31

Abstract

The utility model belongs to the technical field of cleaning devices, and particularly relates to a cleaning device of a dehydrator, which comprises a supporting frame, wherein a cross beam and a linear sliding module are arranged on the supporting frame, a fixed plate is arranged on a sliding block of the linear sliding module, a motor is arranged on the front side plate surface of the fixed plate through a mounting frame, a rotating rod is arranged at the output end of the motor, a limiting pipe fitting is arranged at the side end of the rotating rod, a fixed pipe is arranged in the limiting pipe fitting, a limiting ring attached to the upper side wall and the lower side wall of the limiting pipe fitting is arranged on the pipe wall of the fixed pipe, an air gun is arranged at the lower end of the fixed pipe, the air gun is controlled to transversely move leftwards and rightwards through the linear sliding module, and the angle of the air gun can be adjusted through the cooperation of the motor, the rotating rod, the limiting pipe fitting and the fixed pipe, so that the air blowing range can be adjusted, the cleaning force on a blade can be improved through cleaning by utilizing the air gun, and meanwhile, the gypsum in a gap can be cleaned conveniently.

Description

Cleaning device of dehydrator

Technical Field

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

Background

The basic production process of the thermal power plant is that the fuel is burnt in a boiler to heat water to form steam, the chemical energy of the fuel is converted into heat energy, the steam pressure drives a steam turbine to rotate, the heat energy is converted into mechanical energy, then the steam turbine drives a generator to rotate, the mechanical energy is converted into electric energy, a large amount of sulfur-containing and nitrate-containing pollutants are often produced in the thermal power plant, desulfurization and denitrification are needed, and a dehydrator is needed and is positioned in a desulfurization system.

The filter cloth is wound on a plurality of round rollers of present hydroextractor, the exit end of hydroextractor is provided with fixed scraping blade for clear up the gypsum on the filter cloth, scraping blade and round roller parallel arrangement, the filter cloth is located between round roller and the scraping blade, and set up the installation clearance between scraping blade and the filter cloth, avoid the hydroextractor operation in-process scraping blade to damage the filter cloth and lead to the filter cloth clamping to stagnate between round roller and scraping blade, design like this, though guaranteed the high-efficient operation of filter cloth, but owing to the existence of installation clearance, the hydroextractor can adhere in the clearance of scraping blade and filter cloth and on the scraping blade at the in-process gypsum of operation, consequently, need clear up the gypsum in scraping blade and the installation clearance, the gypsum on the scraping blade is cleared up comparatively easily, but the gypsum in the installation clearance then is difficult to clear up, the clearance degree of difficulty has been increased, cause the clearance trouble, influence the speed of clearance.

Disclosure of Invention

Aiming at the problem that gypsum between a scraping blade and filter cloth of the existing dehydrator is difficult to clean, the utility model provides the cleaning device of the dehydrator, which can effectively improve the cleaning speed of the gypsum in the scraping blade and the installation gap.

The utility model is realized by the following technical scheme:

the cleaning device of the dehydrator comprises a supporting frame, a linear sliding module, a fixed plate, a cleaning device and an angle adjusting device;

the cleaning device comprises a support frame, a linear sliding module, a fixed plate, an angle adjusting device and a cleaning device, wherein the linear sliding module is arranged on the support frame, the sliding direction of the linear sliding module is parallel to the scraping blade of the dehydrator, the fixed plate is connected with the linear sliding module, the cleaning device is arranged on the fixed plate and is connected with the angle adjusting device, and the angle adjusting device is used for adjusting the cleaning angle of the cleaning device;

the cleaning device comprises a pressure pipeline, a spray head and a pressure source, one end of the pressure pipeline is connected with the spray head, the other end of the pressure pipeline is connected with the pressure source, and the pressure source is used for injecting a medium into the pressure pipeline after being pressurized and spraying the medium through the spray head so as to clean gypsum in the scraping blade and the installation gap.

Preferably, the linear sliding module is a screw rod sliding block mechanism, and the fixed plate is connected with a sliding block of the screw rod sliding block mechanism.

Preferably, the angle adjusting device comprises a motor and a limiting pipe fitting, the motor is fixed on the fixing plate, the limiting pipe fitting is fixed at the end part of the motor output shaft, the end part of the pressure pipeline is fixed on the limiting pipe fitting, the spray head is positioned at the lower end of the limiting pipe fitting, and the motor rotates to adjust the angle of the spray head.

Preferably, the limiting pipe fitting comprises a rotating rod, a pipe fitting and a limiting ring;

the pipe fitting is fixed in the one end of bull stick, and the other end of bull stick is coaxial fixed with the output shaft of motor, and pressure pipeline fixed cover is established in the pipe fitting, and the pressure pipeline cover is equipped with two spacing rings, spacing ring and pressure pipeline interference fit, and two spacing rings are located the upper and lower both ends of pipe fitting.

Preferably, the pressure pipeline comprises a hard fixed pipe and a soft connecting pipe, the fixed pipe is sleeved in the limiting pipe fitting, one end of the fixed pipe is connected with the spray head, the other end of the fixed pipe is connected with the connecting pipe, and the other end of the connecting pipe is connected with the pressure source.

Preferably, the rotating rod is also provided with a control device for controlling the start and stop actions of the air gun.

Preferably, the control device comprises a fixing frame and an electric push rod, one end of the fixing frame is fixedly sleeved on the rotating rod, and the electric push rod is arranged at the other end of the fixing frame and is opposite to the control part of the spray head.

Preferably, a horizontal sliding groove is formed in the top of the support frame, a movable block is arranged in the sliding groove, and a limiting pipe used for connecting a pressure pipeline is arranged on the movable block.

Preferably, the support frame comprises two stand columns arranged at intervals, the linear sliding module is horizontally arranged between the two stand columns, the top of the linear sliding module is provided with a cross beam parallel to the linear sliding module, and the sliding groove is formed in the cross beam.

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

according to the cleaning device of the dehydrator, the angle adjusting device is adopted to drive the spray head to rotate, the direction of high-pressure medium sprayed out of the spray head is controlled, so that air flow can be opposite to the scraping blade and the gap, the air blowing range can be adjusted, the cleaning force on the blade can be improved by utilizing air gun cleaning, then the spray head is combined with the linear sliding module to move along the gap between the scraping blade and the filter cloth, the high-pressure medium is generated through the pressure pipeline and sprayed out through the spray head, the cleaning of gypsum in the gap is realized, meanwhile, the cleaning precision is also convenient, meanwhile, the cleaning speed is high by means of air blowing, and the cleaning difficulty is reduced.

Drawings

FIG. 1 is a schematic diagram of a front view of a cleaning device of a dehydrator according to the present utility model;

FIG. 2 is a sectional view showing the structure of a cleaning device of a dehydrator according to the present utility model;

FIG. 3 is an enlarged view of the portion A of FIG. 2;

fig. 4 is an enlarged view of the structure of the portion B in fig. 1;

fig. 5 is an enlarged view of the structure of the portion C in fig. 2;

fig. 6 is a partial structural view of the present utility model.

In the figure: 1 support frame, 2 crossbeams, 3 straight line sliding module, 4 fixed plates, 5 mounting brackets, 6 motors, 7 output shafts, 8 spacing pipe fittings, 81 first half pipes, 82 second half pipes, 83 connecting plates, 84 screws, 85 nuts, 9 fixed pipes, 10 spacing rings, 11 air guns, 12 sliding grooves, 13 movable blocks, 14 spacing pipes, 15 connecting pipes, 16 spacing plates, 17 screws, 18 fixing frames and 19 electric push rods.

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.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to 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 thus should not be construed as limiting the present utility model.

Referring to fig. 1-6, a cleaning device of a dehydrator includes a support frame 1, a linear sliding module 3, a fixing plate 4, a cleaning device and an angle adjusting device.

The support frame sets up the tip at the hydroextractor, and the linear sliding module sets up on the support frame, and the slip direction of linear sliding module and the scraping blade parallel arrangement of hydroextractor, fixed plate 4 are connected with the linear sliding module, and the linear sliding module is used for driving fixed plate 4 horizontal migration, and cleaning device sets up on fixed plate 4 and is connected with angle adjusting device, and angle adjusting device is used for adjusting cleaning device's clean angle.

The cleaning device comprises a pressure pipeline, a spray head and a pressure source, one end of the pressure pipeline is connected with the spray head, the other end of the pressure pipeline is connected with the pressure source, the pressure source is used for pressurizing a medium and then injecting the medium into the pressure pipeline, and the pressurized medium is sprayed through the spray head so as to clean gypsum in the scraping blade and the installation gap.

The medium is high-pressure air or water, the pressure source is an air compressor or an air pump or a water pump, for example, the air is compressed by the air compressor to form high-pressure air flow, and the high-pressure air flow is sprayed out of the spray head to clean the scraping blade and the gypsum in the gap.

The support frame strides to establish the tip at the hydroextractor, and the support frame includes the stand that two intervals set up, and the straight line slip module level sets up between linking the stand, and the top of straight line slip module is provided with the crossbeam 2 parallel with straight line slip module, and the both ends of crossbeam are fixed with the upper end of two stands, are provided with slider on the crossbeam 2, slider and pipeline swing joint.

The linear sliding module is a screw rod sliding block mechanism, the linear sliding module comprises a horizontally arranged supporting beam, a screw rod is arranged in the supporting beam, one end of the screw rod is connected with the end of the supporting beam through a shaft side, the other end of the screw rod is connected with a driving motor, a sliding groove is formed in the side wall of the supporting beam, a sliding block is arranged in the sliding groove and is connected with the screw rod, a fixing plate 4 is arranged on one side, close to the dehydrator, of the sliding block, a cleaning device and an angle adjusting device are arranged on the fixing plate and are located on one side, close to the dehydrator, of the sliding block, the driving motor drives the screw rod to rotate, and the screw rod drives the sliding rod to slide along the sliding groove to reciprocate, so that the cleaning device can clean a scraping blade.

The angle adjusting device comprises a motor 6 and a limiting pipe fitting 8, the motor 6 is fixed on a fixed plate 4 through a mounting frame, the limiting pipe fitting 8 is fixed at the end part of an output shaft of the motor, the axial direction of the limiting pipe fitting 8 is perpendicular to the output shaft of the motor, the end part of a pressure pipeline is fixed on the limiting pipe fitting 8, a spray head is positioned at the lower end of the limiting pipe fitting 8, the motor rotates positively and negatively, the limiting pipe fitting 8 is driven to rotate through the output shaft, the rotation of the spray head is realized, and high-pressure media sprayed by the spray head are aimed at gaps of scraping blades and filter cloth.

Referring to fig. 3, the spacing pipe fitting 8 includes bull stick 7, pipe fitting and spacing ring 10, the one end at bull stick 7 is fixed to the pipe fitting, the other end of bull stick and the output shaft fixed connection of motor, the pressure line includes rigid fixed pipe 9 and soft connecting pipe 15, fixed pipe 9 cover is established in the pipe fitting, the shower nozzle is connected to the one end of fixed pipe 9, connecting pipe 15 is connected to the other end, the other end of connecting pipe 15 is connected the pressure source, the cover is equipped with two spacing rings 10 on the fixed pipe 9, spacing ring 10 is connected with fixed pipe interference fit, two spacing rings 10 are located the upper and lower both ends of pipe fitting, the position of fixed pipe 9 can be restricted through the cooperation of spacing ring 10 and pipe fitting, rotation angle through motor 6 control can adjust the pipe fitting, and then realize the inclination of shower nozzle.

Referring to fig. 4 and 6, the pipe fitting includes two half pipes with the same structure, the two half pipes are a first half pipe 81 and a second half pipe 82 respectively, the first half pipe 81 and the second half pipe 82 are of semicircular arc structures, the first half pipe 81 and the second half pipe 82 are coated on the fixed pipe 9, connecting plates 83 are arranged on two sides of the half pipes, the connecting plates of the two half pipes are connected through screws 84 and nuts 85, and the pipe fitting and the fixed pipe 9 are convenient to mount and dismount.

The shower nozzle is air gun 11, and air gun 11 is fixed in the lower extreme of fixed pipe 9, the upper end of fixed pipe 9 is connected with the air pump through connecting pipe 15, still be provided with controlling means on the bull stick 7 for control air gun opens and stops the action, it includes mount 18 and electric putter 19, and the fixed cover of one end of mount 18 is established on bull stick 7, and electric putter 19 sets up the other end at the mount, and just to the control handle of air gun, the remote control electric putter makes its piston rod stretch out and can trigger the control handle of air gun, makes the air gun produce high-pressure air current and clear up the gypsum.

Referring to fig. 5, the cross beam 2 is provided with a sliding groove 12 near one time of the dehydrator, the sliding groove 12 is parallel to the sliding direction of the linear sliding module, a movable block 13 is installed in the sliding groove 12, talcum powder is arranged between the movable block 13 and the sliding groove 12 and used for improving smoothness of movement of the movable block 13 in the sliding groove 12, a limiting pipe 14 combined with a connecting pipe 15 is arranged on the front side surface of the movable block 13 and can limit the position of the connecting pipe 15, the movement is not affected, both ends of the cross beam 2 are provided with limiting plates 16, the limiting plates 16 are connected with the cross beam 2 through screws 17 and used for limiting the position of the movable block 13, during working, the fixing plates reciprocate along the linear sliding module, and the movable block 13 is driven to move along the sliding groove 12 through the connecting pipe 15 in the moving process, so that the problem of winding and knotting of the connecting pipe 15 is avoided.

The working principle of the cleaning device of the dehydrator provided by the utility model is explained in detail below.

Firstly, the support frame is arranged at the outlet end of the vacuum belt dehydrator, two upright posts are positioned at two sides of the dehydrator, the linear sliding module 3 is positioned above the scraping blade of the dehydrator, air is used as a medium, one end of the connecting pipe is connected with the air pump, the other end of the connecting pipe is connected with the air gun, the air pump outputs air after pressurizing the air through the air gun, and the gypsum is cleaned by high-pressure air flow.

The vacuum belt dehydrator comprises a frame, a driving device, filter cloth and a belt conveying device, wherein the frame is formed by welding profile steel and is sprayed with anti-corrosion paint, the belt conveying device is arranged in the frame and comprises a plurality of rollers and rubber belts wound on the rollers, the rollers comprise driving rollers and driven rollers which are carbon steel rubber covered rollers and have the same diameter, the driving rollers are driving rollers and are connected with the driving device, and the driving rollers are also called driving rollers. Driven rolls are also called tensioning rolls. The driven roller is provided with a tensioning device which is convenient for rectifying and tensioning the rubber belt. The driving roller and the driven roller are drum-shaped structures, the belt can be automatically rectified, the driving device comprises an alternating-current variable-frequency motor and a reduction gearbox, and the reduction gearbox is connected with a driving roller shaft through a coupler.

The filter cloth is attached to the surface of the rubber belt, the rubber belt is used as a basic supporting and running system of the filter cloth, the rubber belt and the filter cloth are driven to run synchronously by virtue of friction force, equidistant grooves are formed in the surface of the rubber belt perpendicular to the running direction, a drain hole penetrating through each drain groove is formed in the rubber belt, filtrate is sucked into a vacuum tank through the drain hole, the contact surface of the filter cloth and slurry is smooth, the contact surface of the filter cloth and the rubber belt is rough, so that friction force is increased, the gypsum slurry is subjected to solid-liquid separation through the filter cloth under the action of negative pressure, a filter cake is formed, a belt conveying device drives the filter cake to run towards an outlet end, and a scraping blade separates the filter cake from the filter screen.

When the gypsum adhered to the scraping blade and the gap is cleaned, the motor 6 is started to drive the rotating rod to rotate, the rotating rod drives the air gun to adjust the angle through limiting the pipe fitting, so that the air flow generated by the air gun is opposite to the gap between the scraping blade and the filter cloth, then the electric push rod 19 and the air pump are started, high-pressure air is sprayed out of the air gun 11 along the connecting pipe 15 and the fixing pipe 9, so that the scraping blade can be subjected to air blowing action, and finally, the linear sliding module 3 is started to drive the fixing plate to reciprocate, so that the air gun 11 synchronously moves, the gypsum in the gap is cleaned by the high-pressure air flow.

While the fundamental and principal features of the utility model and advantages of the utility model have been shown and described, it will be apparent to those skilled in the art that the utility model is not limited to the details of the foregoing exemplary embodiments, but may be embodied in other specific forms without departing from the spirit or essential characteristics thereof; the present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

The above is only for illustrating the technical idea of the present utility model, and the protection scope of the present utility model is not limited by this, and any modification made on the basis of the technical scheme according to the technical idea of the present utility model falls within the protection scope of the claims of the present utility model.

Claims

1. The cleaning device of the dehydrator is characterized by comprising a support frame (1), a linear sliding module (3), a fixed plate (4), a cleaning device and an angle adjusting device;

the linear sliding module is arranged on the support frame, the sliding direction of the linear sliding module is parallel to the scraping blade of the dehydrator, the fixed plate (4) is connected with the linear sliding module, the cleaning device is arranged on the fixed plate (4) and is connected with the angle adjusting device, and the angle adjusting device is used for adjusting the cleaning angle of the cleaning device;

2. The cleaning device of a dehydrator according to claim 1, wherein the linear sliding module is a screw slider mechanism, and the fixing plate (4) is connected with a slider of the screw slider mechanism.

3. The cleaning device of a dehydrator according to claim 1, characterized in that the angle adjusting device comprises a motor (6) and a limiting pipe (8), the motor (6) is fixed on the fixing plate (4), the limiting pipe (8) is fixed at the end of the motor output shaft, the end of the pressure pipeline is fixed on the limiting pipe (8), the spray head is positioned at the lower end of the limiting pipe (8), and the motor rotates to adjust the angle of the spray head.

4. A cleaning device for a water extractor according to claim 3, characterized in that the limit pipe (8) comprises a rotating rod (7), a pipe and a limit ring (10);

the pipe fitting is fixed in one end of bull stick (7), and the other end of bull stick is fixed with the output shaft coaxial of motor, and pressure pipeline fixed cover is established in the pipe fitting, and the pressure pipe line cover is equipped with two spacing rings (10), spacing ring (10) and pressure pipeline interference fit, and two spacing rings (10) are located the upper and lower both ends of pipe fitting.

5. The cleaning device of a dehydrator according to claim 1, characterized in that the pressure pipeline comprises a hard fixed pipe (9) and a soft connecting pipe (15), the fixed pipe (9) is sleeved in the limiting pipe fitting (8), one end of the fixed pipe (9) is connected with the spray head, the other end is connected with the connecting pipe (15), and the other end of the connecting pipe (15) is connected with the pressure source.

6. The cleaning device of a water extractor according to claim 4, characterized in that the turning bar (7) is further provided with control means for controlling the start-stop action of the air gun.

7. The cleaning device of a dehydrator according to claim 6, wherein the control device comprises a fixing frame (18) and an electric push rod (19), one end of the fixing frame (18) is fixedly sleeved on the rotating rod (7), and the electric push rod (19) is arranged at the other end of the fixing frame and is opposite to the control part of the spray head.

8. The cleaning device of a dehydrator according to claim 1, wherein a horizontal sliding groove is arranged at the top of the supporting frame, a movable block (13) is arranged in the sliding groove (12), and a limiting pipe (14) for connecting a pressure pipeline is arranged on the movable block (13).

9. The cleaning device of a dehydrator according to claim 8, wherein the support frame comprises two columns arranged at intervals, the linear sliding module is horizontally arranged between the two columns, a cross beam (2) parallel to the linear sliding module is arranged at the top of the linear sliding module, and the sliding groove is arranged on the cross beam.