CN210620579U

CN210620579U - Cleaning device for electrode plate of electroosmosis dehydrator and sludge electroosmosis dehydrator

Info

Publication number: CN210620579U
Application number: CN201921321382.2U
Authority: CN
Inventors: 王方清; 吴亮亮; 王浩程
Original assignee: Zhejiang Kclear Environmental Protection Equipment Co ltd
Current assignee: Zhejiang Kclear Environmental Protection Equipment Co ltd
Priority date: 2019-08-14
Filing date: 2019-08-14
Publication date: 2020-05-26
Anticipated expiration: 2029-08-14

Abstract

The utility model relates to a cleaning device of an electroosmosis dehydrator electrode plate and a sludge electroosmosis dehydrator, wherein the cleaning device comprises a cleaning bracket, a cleaning cylinder, a cleaning roller brush and a driving piece, wherein a gap for placing the electrode plate is arranged on the cleaning roller, the gap is positioned above the liquid level of cleaning liquid, the cleaning roller brush comprises a roller shaft and a brush sweeping piece, when cleaning, the brush sweeping part of the brush sweeping piece corresponding to the gap is contacted with the surface of the electrode plate and brushes the residues on the surface of the electrode plate to the cleaning cylinder; and the rest brushing part of the brushing part is cleaned by the bottom cleaning solution and then is transferred to the notch to continuously clean the surface of the electrode plate. The utility model has the advantages that on one hand, the efficiency and the effect of electroosmosis are further improved through the cleaning treatment of the brush sweeping part on the surface of the electrode plate, the dehydration rate can be increased by 1-5% on the existing basis, and meanwhile, the service life of the electrode plate is also prolonged; on the other hand, the brushing and sweeping part is cleaned by the cleaning liquid at the bottom of the cleaning cylinder, so that the cleaning quality of the brushing and sweeping part is ensured.

Description

Cleaning device for electrode plate of electroosmosis dehydrator and sludge electroosmosis dehydrator

Technical Field

The utility model belongs to the sludge treatment equipment field, concretely relates to cleaning device of electroosmosis hydroextractor plate electrode still relates to a mud electroosmosis hydroextractor simultaneously.

Background

With the development of socioeconomic and the acceleration of urbanization, the amount of sludge produced in urban sewage treatment plants and the accompanying facilities is rapidly increasing. According to related materials, 3 hundred million tons of sludge are generated in a sewage treatment plant in China in 2010. Because the sludge needs to be subjected to biochemical treatment and flocculation treatment during dehydration, and the dehydrated sludge contains a large amount of cellular water and attached water, at present, the water content of the sludge can only be reduced to about 80% by the conventional equipment and technology of almost all sewage treatment plants, if the requirement of incineration is met, the cost is high when the water content of the sludge is lower than 50%, so that almost all sewage treatment plants in China can only mainly bury and stack the sludge, and the problem of serious environmental pollution is caused.

The patent number is ZL201710095903.6, the patent name is a high-efficiency electroosmosis sludge dewatering machine, the sludge dewatering machine comprises a frame, a sludge dewatering device arranged on the frame, a driving mechanism for providing power for the sludge dewatering device and a power supply, the sludge dewatering device comprises a plurality of moving screen plates and a plurality of squeezing plates, the moving screen plates and the squeezing plates are respectively arranged on the lower part and the upper part of the frame in a movable way along a set moving track, the moving screen plates and the squeezing plates are made of conductive materials and are respectively communicated with a cathode and an anode of the power supply, a sludge squeezing channel extending along the horizontal direction is formed between the squeezing plates and the moving screen plates, the sludge squeezing channel is continuously narrowed from an inlet end to an outlet end of the sludge squeezing channel, wherein the sludge squeezing channel forms a quick squeezing area near the inlet end, and the narrowing rate of the sludge squeezing channel corresponding to the quick squeezing area is greater than that of other areas of the sludge squeezing channel A narrow rate.

Although the above patent can greatly improve the dewatering efficiency (by about 30%), the applicant found that the dewatering efficiency can be further improved if the moving mesh plate and the pressing plate can be further cleaned because the sludge is easily adhered to the moving mesh plate and the pressing plate during the dewatering process and the electroosmosis is affected to some extent.

Disclosure of Invention

The utility model aims at providing a brand-new and can carry out clear cleaning device to the plate electrode of electroosmosis hydroextractor.

Simultaneously the utility model discloses still provide an improved mud electroosmosis hydroextractor.

For solving the technical problem, the utility model discloses take following technical scheme:

a cleaning device for an electrode plate of an electroosmosis dehydrator comprises a cleaning support, a cleaning cylinder, a cleaning roller brush and a driving piece, wherein the cleaning cylinder is transversely arranged on the cleaning support, cleaning liquid is arranged at the bottom of the cleaning cylinder, the cleaning roller brush extends along the length direction of the cleaning cylinder, the driving piece drives the cleaning roller brush to rotate around the axis of the cleaning roller brush, a notch for placing the electrode plate is formed in the cleaning roller, the notch is positioned above the liquid level of the cleaning liquid, the cleaning roller brush comprises a roller shaft and a brushing part, and when cleaning is carried out, the brushing part, corresponding to the notch, of the brushing part is in contact with the surface of the electrode; and the rest brushing part of the brushing part is cleaned by the bottom cleaning solution and then is transferred to the notch to continuously clean the surface of the electrode plate.

Preferably, the cleaning cylinder is circular in cross-section and a notch is formed by cutting an arc-shaped section on the circular side surface, wherein the notch extends along the length direction of the cleaning cylinder and has an upper edge and a lower edge, and the liquid level of the cleaning liquid is positioned below the lower edge.

According to the utility model discloses a concrete implementation and preferred aspect are equipped with the interception baffle that extends along breach length direction on the lower limb of breach, and wherein sweep a piece through the abluent brush of washing liquid and stopped by the interception baffle and will brush and sweep a surface cleaning liquid and cut back clean section of thick bamboo after, change over to the brush that the breach corresponds and sweep the district. Through the arrangement of the intercepting baffle, on one hand, the cleaning liquid containing space is effectively increased, so that the cleaning liquid containing space can be greatly improved, and therefore, the brushing and sweeping part is cleaned more cleanly; on the other hand, the cleaning liquid on the surface of the brushing part can be cut off, the possibility that the cleaning liquid is thrown out of the cleaning cylinder is greatly reduced, and meanwhile, residual liquid on the surface of the brushed electrode plate is relatively less, so that the electroosmosis dehydration of sludge is facilitated.

Preferably, the intercepting baffle comprises a first panel extending upwardly from a lower edge of the notch, a second panel sloping inwardly of the cleaning cartridge from an upper edge of the first panel.

Preferably, the upper and lower edges of the indentation are between the upper and lower ends of the vertical diameter of the cleaning cartridge. That is, the size of the gap is limited, and generally, the arc length of the arc-shaped section corresponding to the gap is 1/4-1/2 of the perimeter of the cleaning cylinder. In this example, the arc length of the arc segment corresponding to the notch is 2/5 of the circumference of the cleaning cylinder.

According to the utility model discloses a still another concrete implementation and preferred aspect, still be equipped with along the brush board that the length direction of a cleaning section of thick bamboo extends at the inner wall of a cleaning section of thick bamboo, wherein the brush board that cleans is located between the upper edge of breach and the liquid level of cleaning solution, and when the cleaning roller brush rotated, the brush board that cleans can carry out preliminary striking off the clearance with the brush piece surface adsorbate that gets into in the cleaning solution.

Preferably, the scrubbing plate has a plurality of scrubbing plates spaced circumferentially around the cleaning cartridge between the upper side of the gap and the surface of the cleaning liquid. That is to say, the plurality of cleaning plates arranged in sequence gradually scrape off the surface of the brushing part, so that the brushing part is convenient to clean.

Preferably, the outer diameter of the cleaning roller brush is smaller than or equal to the inner diameter of the cleaning cylinder, and the brush sweeping component is bristles, wherein the bristles are divided into a plurality of bristle groups distributed circumferentially around the roller shaft, and each bristle group comprises a plurality of bristles distributed at intervals in sequence along the length direction of the roller shaft.

In addition, the two end parts of the cleaning cylinder are respectively provided with a liquid inlet channel and a liquid outlet channel which are communicated with the cleaning cavity at the bottom of the cleaning cylinder, and the cleaning device also comprises a liquid supply unit communicated with the liquid inlet channel and a liquid receiving unit communicated with the liquid outlet channel.

Specifically, the liquid inlet channel and the liquid outlet channel are arranged in a flush mode, liquid is added (water) through the liquid inlet channel and discharged (water) through the liquid outlet channel in the brushing and sweeping process, so that the cleaning liquid in the cleaning cavity is in a flowing state, and the cleaning effect on bristles is further improved.

The utility model discloses another scheme is: a sludge electroosmosis dehydrator comprises a dehydrator body with an electrode plate and a cleaning device for cleaning the electrode plate.

Preferably, the electrode plate moves along a set moving track under the driving of the annular conveying frame, the cleaning device is positioned at an outlet of the sludge extrusion channel of the dewatering machine body, the moving track penetrates through the notch, and the driving piece drives the cleaning roller brush to rotate opposite to the annular conveying frame.

Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:

the utility model has the advantages that on one hand, the efficiency and the effect of electroosmosis are further improved through the cleaning treatment of the brush sweeping part on the surface of the electrode plate, the dehydration rate can be increased by 1-5% on the existing basis, and meanwhile, the service life of the electrode plate is also prolonged; on the other hand, the brushing and sweeping part is cleaned by the cleaning liquid at the bottom of the cleaning cylinder, so that the cleaning quality of the brushing and sweeping part is ensured.

Drawings

The invention will be described in further detail with reference to the following figures and specific embodiments:

FIG. 1 is a schematic view of the electro-osmotic sludge dewatering machine according to the present invention;

FIG. 2 is a schematic front view of the electrode plate cleaning apparatus shown in FIG. 1;

FIG. 3 is a schematic cross-sectional view of FIG. 2;

wherein: A. a dehydrator body; j. an electrode plate; q, a cleaning device; q1, cleaning bracket; q2, cleaning cylinder; q3, cleaning roller brush; q30, a roller shaft; q31, bristles; q4, a driving member; q40, a shaft sleeve; q5, a liquid inlet channel; q6, a liquid outlet channel; q7, intercepting baffle plates; q71, a first panel; q72, a second panel; q8, cleaning and brushing the board; k. and (4) a notch.

Detailed Description

In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.

As shown in fig. 1, the electro-osmotic sludge dewatering machine according to the present embodiment includes a dewatering machine body a having an electrode plate j, and a cleaning device Q for cleaning the electrode plate j.

Specifically, the dehydrator body a has a structure substantially the same as that of the related art having patent No. ZL201710095903.6 entitled high efficiency electroosmosis sludge dehydrator, except that a cleaning device Q for cleaning the electrode plate j on the upper endless conveyor is installed at the outlet of the sludge extrusion passage of the dehydrator body a.

As shown in fig. 2 and 3, the cleaning device Q includes a cleaning bracket Q1, a cleaning cylinder Q2 provided on the cleaning bracket Q1 and extending in the width direction of the endless transmission frame, a cleaning roller brush Q3 located in the cleaning cylinder Q2, and a driving member Q4 for driving the cleaning roller brush Q3 to rotate in the opposite direction to the endless transmission frame.

A gap k extending along the length direction of the cleaning cylinder q2 is formed in the cleaning cylinder q2, and cleaning liquid is located at the bottom of the cleaning cylinder q2 and below the gap k, wherein the gap k forms a cleaning area, and the motion track of the electrode plate j penetrates through the cleaning area.

Specifically, the cleaning cylinder q2 is circular in cross section, and an arc-shaped section is cut off from the circular side surface close to the annular transmission frame to form a notch k, the notch k is provided with an upper edge and a lower edge, and the liquid level of the cleaning liquid is positioned at the lower edge of the notch k.

The upper edge and the lower edge of the notch k are positioned between the upper end and the lower end of the cleaning cylinder q2 in the vertical diameter, in this example, the arc length of the arc section corresponding to the notch k is 2/5 of the circumference of the cleaning cylinder. Thus, a space for containing the cleaning liquid is defined.

The cleaning roller brush q3 has an outer diameter smaller than the inner diameter of the cleaning cylinder q2, and includes a roller q30 extending along the length of the cleaning cylinder q2, and bristles q31 circumferentially distributed around the roller q30, wherein the bristles q31 constitute a brush.

Specifically, the bristles q31 are divided into four bristle groups distributed circumferentially around the roller q30, each bristle group including a plurality of bristles q31 spaced apart in sequence along the length of the roller.

In this example, the cleaning cylinder q2 contains cleaning liquid at the bottom, the cleaning cylinder q2 is provided at its two ends with a liquid inlet channel q5 and a liquid outlet channel q6 respectively, which are communicated with the cleaning cavity at the bottom of the cleaning cylinder q2, and the cleaning device further comprises a liquid supply unit (not shown, but not shown) communicated with the liquid inlet channel q5 and a liquid receiving unit (not shown, but not shown) communicated with the liquid outlet channel q 6.

Specifically, the liquid inlet channel q5 and the liquid outlet channel q6 are arranged in a flush manner, and in the brushing process, liquid is added (water) through the liquid inlet channel q5 and discharged (water) through the liquid outlet channel q6, so that the cleaning liquid in the cleaning cavity is in a flowing state, and the cleaning effect on bristles is further improved.

The liquid supply unit is composed of a common liquid supply tank, a water pump, a water pipe, a valve and the like, and the liquid collection unit is used for collecting the cleaning liquid discharged from the liquid outlet channel q6, of course, the cleaning liquid can be filtered, and then the filtrate flows back to the liquid supply tank to realize recycling.

The driving member q4 mainly comprises a shaft sleeve q40 arranged at the end of the roller shaft, a motor driving the shaft sleeve q40 to rotate around the center of the roller shaft q30 and a transmission member, wherein the transmission manner can be a belt type, chain type or gear meshing transmission manner and the like, and the driving member q4 belongs to the conventional means in the field and is not described in detail herein.

Further, the brushing effect is improved, in this example, an intercepting baffle q7 extending along the length direction of the notch k is arranged on the lower edge of the notch k, wherein the brushing part cleaned by the cleaning liquid is intercepted by the intercepting baffle and is transferred to the cleaning area after the cleaning liquid on the surface of the brushing part is intercepted by the cleaning cylinder q 2. Through the arrangement of the intercepting baffle q7, on one hand, the cleaning liquid containing space is effectively increased, so that the cleaning liquid containing space can be greatly lifted, and therefore, the brushing and sweeping part is cleaned more cleanly; on the other hand, the cleaning liquid on the surface of the brushing part can be cut off, the possibility that the cleaning liquid is thrown out of the cleaning cylinder is greatly reduced, and meanwhile, residual liquid on the surface of the brushed electrode plate is relatively less, so that the electroosmosis dehydration of sludge is facilitated.

Specifically, the intercepting shutter q7 includes a first panel q71 extending upward from the inner side of the notch k at the lower side, and a second panel q72 inclined from the upper edge of the first panel q71 toward the inside of the cleaning cartridge q 2.

Meanwhile, the inner wall of the cleaning cylinder q2 is provided with a cleaning plate q8 extending along the length direction of the cleaning cylinder q2, wherein the cleaning plate q8 is positioned between the upper edge of the notch k and the liquid level of the cleaning liquid, and when the cleaning roller brush rotates, the cleaning plate q8 can carry out primary scraping and cleaning on the surface adsorbate of the brush sweeper entering the cleaning liquid.

Specifically, four cleaning plates q8 are provided and spaced circumferentially around cleaning cylinder q2 between the upper side of gap k and the surface of the cleaning liquid. That is, the four cleaning plates q8 arranged in sequence gradually scrape off the surface of the brush piece, so that the brush piece is cleaned conveniently.

In summary, the cleaning process of this embodiment is as follows:

the electrode plate j moves along a set moving track under the conveying of the annular conveying frame and passes through a notch k of the cleaning cylinder q2 one by one, meanwhile, the driving piece q4 drives the cleaning roller brush q3 and the annular conveying frame to rotate oppositely, in the rotating process of the cleaning roller brush q3, bristles are in contact with the surface of the electrode plate j and brush residues on the surface of the electrode plate j to the cleaning cylinder q2, then the bristles are cleaned through the cleaning plate q8 and are transferred to cleaning liquid at the bottom of the cleaning cylinder q2 for cleaning, and meanwhile, the brushed bristles are blocked by the intercepting baffle plate and transfer the cleaning liquid on the surface of the bristles back to the cleaning cylinder q2 and then to the notch k to continuously clean the surface of the electrode plate j.

The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.

Claims

1. The utility model provides a cleaning device of electroosmosis dewatering machine plate electrode which characterized in that: the cleaning device comprises a cleaning support, a cleaning barrel, a cleaning roller brush and a driving piece, wherein the cleaning barrel is transversely arranged on the cleaning support, cleaning liquid is arranged at the bottom of the cleaning barrel, the cleaning roller brush extends along the length direction of the cleaning barrel, the driving piece drives the cleaning roller brush to rotate around the axis of the cleaning roller brush, a notch for placing the electrode plate is formed in the cleaning roller, the notch is positioned above the liquid level of the cleaning liquid, the cleaning roller brush comprises a roller shaft and a brushing piece, and when cleaning is carried out, a brushing part of the brushing piece, corresponding to the notch, is in contact with the surface of the electrode plate and brushes residues on the surface of the electrode plate to the cleaning barrel; and the rest brushing part of the brushing part is cleaned by bottom cleaning liquid and then is transferred to the gap to continuously clean the surface of the electrode plate.

2. The apparatus of claim 1, wherein the cleaning device comprises: the cleaning cylinder is circular in cross section, an arc-shaped section is cut on the circular side face to form the notch, the notch extends along the length direction of the cleaning cylinder, the notch is provided with an upper edge and a lower edge, and the liquid level of the cleaning liquid is located below the lower edge.

3. The apparatus of claim 2, wherein the cleaning device comprises: and the lower edge of the notch is provided with an intercepting baffle plate extending along the length direction of the notch, and the brushing and sweeping part cleaned by the cleaning liquid is blocked by the intercepting baffle plate and is transferred into a brushing and sweeping area corresponding to the notch after the cleaning liquid on the surface of the brushing and sweeping part is intercepted by the cleaning cylinder.

4. The apparatus of claim 3, wherein the cleaning device comprises: the intercepting baffle comprises a first panel and a second panel, wherein the first panel extends upwards from the lower edge of the notch, and the second panel inclines towards the inside of the cleaning cylinder from the upper edge of the first panel.

5. The apparatus of claim 2, wherein the cleaning device comprises: the upper edge and the lower edge of the notch are positioned between the upper end part and the lower end part of the diameter of the cleaning cylinder in the vertical direction.

6. The apparatus of claim 2, wherein the cleaning device comprises: the inner wall of a clean section of thick bamboo still is equipped with along the clear brush board that clean section of thick bamboo length direction extends, wherein clear brush board is located the breach between the liquid level of top edge and cleaning solution, when the cleaning roller brush rotates, clear brush board can be with getting into a brush in the cleaning solution is swept a surface adsorbate and is carried out preliminary scraping and cleaning.

7. The apparatus of claim 6, wherein the cleaning device comprises: the cleaning plate has a plurality of blocks and is spaced around the circumference of the cleaning cylinder between the upper edge of the gap and the liquid level of the cleaning liquid.

8. The apparatus of claim 1, wherein the cleaning device comprises: the two ends of the cleaning cylinder are respectively provided with a liquid inlet channel and a liquid outlet channel which are communicated with the cleaning cavity at the bottom of the cleaning cylinder, and the cleaning device also comprises a liquid supply unit communicated with the liquid inlet channel and a liquid receiving unit communicated with the liquid outlet channel.

9. The utility model provides a mud electroosmosis hydroextractor, its includes the hydroextractor body that has the plate electrode, its characterized in that: the electro-osmotic sludge dewatering machine further comprises a cleaning device according to any one of claims 1 to 8.

10. The electro-osmotic dewatering machine for sludge according to claim 9, wherein: the electrode plate moves along a set moving track under the drive of the annular conveying frame, the cleaning device is positioned at an outlet of a sludge extrusion channel of the dehydrator body, the moving track passes through the notch, and the driving piece drives the cleaning roller brush and the annular conveying frame to rotate oppositely.