CN210620562U - Sludge concentration dehydration all-in-one - Google Patents

Abstract

The utility model relates to a sludge concentration and dehydration integrated machine, which comprises a sludge concentration device and an electroosmosis dehydrator, wherein the sludge concentration device comprises a concentration box with a sludge inlet and a sludge outlet, a sludge scraping component and a sludge outlet mechanism arranged at the sludge outlet of the concentration box; the electroosmosis dehydrator comprises a machine body with an electrode plate and a cleaning device for cleaning the electrode plate. On the one hand, the utility model reduces the water content of the sludge entering the electroosmosis dewatering machine on the premise of improving the sludge discharging efficiency of the concentration device; on the other hand, the cleaning treatment on the surface of the electrode plate is carried out on line, so that the electroosmosis efficiency and effect are further improved, and meanwhile, the brushing part can also carry out self-cleaning in the brushing process, so that the cleaning quality of the brushing part is ensured.

Description

Sludge concentration dehydration all-in-one

Technical Field

The utility model belongs to the sludge treatment equipment field, concretely relates to sludge thickening dehydration all-in-one.

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.

For example, the applicant filed patent No. ZL201520064038.5 on 29/1/2015 under the name of a sludge concentration device, the device includes the isolating cylinder, be equipped with the drainage mesh that supplies water to pass through on the lateral wall of isolating cylinder, be equipped with the export that is used for letting in the entry of treating concentrated mud and is used for discharging the concentrated mud on the isolating cylinder respectively especially, sludge thickening device still includes scraper group, scraper group is including a plurality of scrapers that can set up with rotating, every scraper is along the inside wall contact that is equipped with the drainage mesh of a limit and isolating cylinder that its length direction extends, sludge thickening device still includes and is used for driving a plurality of scraper pivoted actuating mechanism, the fixed water conservancy diversion component that is used for making mud tend to draw close to the middle part of isolating cylinder on each scraper, sludge thickening device during operation, the isolating cylinder is fixed, the scraper rotates and strikes off the mud of drainage mesh department. Meanwhile, compared with the existing concentration device, the device has the advantages of simpler structure, more convenient arrangement, higher concentration efficiency, better concentration effect and lower energy consumption and operation cost. In addition, the device not only can be independently used for concentrating the sludge, but also is suitable for being arranged on various existing sludge dewaterers to form a sludge concentrating and dewatering integrated machine.

The applicant finds that, because the sludge concentration device is also provided with a sludge outlet baffle door at the corresponding outlet of the isolation cylinder (the sludge outlet baffle door is arranged to control the sludge outlet amount and the water content), and the sludge outlet baffle door is a second panel, the sludge outlet amount and the water content can be controlled by adjusting the rotation angle of the second panel. However, the applicant has found in practice that the structural arrangement of this second panel has the following technical drawbacks:

1) in the angle adjusting process, once the angle between the second panel and the horizontal plane is too large (the sludge outlet is small), sludge is easy to accumulate near the inner side of the second panel, the fluidity of the sludge is affected, and the sludge outlet efficiency is low;

2) although the thickness of the sludge discharged from the second panel is kept consistent, the compactness is relatively low, and the main reasons are as follows: after the size of the sludge outlet is adjusted, the second panel has insufficient compaction force on the sludge due to the inclination angle of the second panel.

Also, as shown in 22.2.2017, the present applicant filed a patent No. ZL201710095903.6, entitled a high efficiency electroosmosis sludge dewatering machine, which includes a frame, a sludge dewatering device disposed on the frame, a driving mechanism for providing power to the sludge dewatering device, and a power supply, wherein the sludge dewatering device includes a plurality of moving mesh plates and a plurality of squeezing plates movably disposed on a lower portion and an upper portion of the frame along a predetermined moving path, respectively, the moving mesh plates and the squeezing plates are made of conductive materials and are respectively connected to a cathode and an anode of the power supply, a sludge squeezing channel extending in a horizontal direction is formed between the plurality of squeezing plates and the plurality of moving mesh plates, the sludge squeezing channel is continuously narrowed from an inlet end to an outlet end thereof, wherein the sludge squeezing channel forms a rapid squeezing zone near the inlet end, and the rapid squeezing zone has a narrowing rate greater than that of other areas of the sludge squeezing channel The rate of narrowing.

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 (also referred to as an electrode plate) during the dewatering process and the electroosmosis is affected to some extent.

Disclosure of Invention

The utility model aims at providing a modified sludge thickening dehydration all-in-one.

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

a sludge thickening and dewatering all-in-one machine comprises:

the sludge concentration device comprises a concentration box with a sludge inlet and a sludge outlet, a sludge scraping assembly and a sludge outlet mechanism arranged at the sludge outlet of the concentration box, wherein the sludge outlet mechanism comprises a sludge outlet plate, the sludge outlet plate comprises a first panel, a second panel and a connecting panel, the first panel is obliquely arranged at the sludge outlet of the sludge concentration box from top to bottom, the connecting panel connects the second panel to the lower part of the first panel, and the sludge outlet mechanism also comprises an adjusting unit which is butted with the second panel and adjusts the second panel to move up and down;

the electroosmosis dehydrator comprises a machine body with an electrode plate and a cleaning device for cleaning the electrode plate, wherein the cleaning device comprises a cleaning support, a cleaning cylinder transversely arranged on the cleaning support and provided with cleaning liquid at the bottom, a cleaning roller brush extending along the length direction of the cleaning cylinder and a driving piece for driving the cleaning roller brush to rotate around the axis of the cleaning cylinder, the electrode plate moves along a set moving track under the driving of an annular conveying frame, a notch for the moving track of the electrode plate to pass 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, a brushing part of the brushing part, corresponding to the notch, of the brushing part is in contact with the surface of the electrode plate and brushes residues on the surface of the electrode; the rest brushing part of the brushing part is cleaned by the bottom cleaning liquid and then transferred to the gap to continuously realize the cleaning of the surface of the electrode plate in the movement.

Preferably, go out mud mechanism and include a mud board, this mud board includes first panel, second panel and connection panel, and wherein first panel top-down puts in sludge thickening case mud outlet to one side, and connection panel connects in first panel lower part with second panel is adjustable, goes out mud mechanism still includes the regulating unit who docks and adjust second panel oscilaltion motion with the second panel.

Preferably, the first panel is fixed on the outer wall surface of the concentration tank of the sludge concentration device, and the angle formed by the first panel and the horizontal plane is larger than the angle formed by the second panel and the horizontal plane.

Further, the angle formed by the first panel and the horizontal plane is 30-60 degrees, and the angle formed by the second panel and the horizontal plane is 0-10 degrees.

In this example, the first panel makes an angle of 45 ° with the horizontal plane and the second panel makes an angle of 2.86 ° with the horizontal plane. At this time, the compactness, water content, and sludge yield of the discharged sludge are all optimal.

Meanwhile, on the same reference surface below the mud discharging plate, the vertical distance from the lower end part of the first panel to the reference surface is h1, the vertical distance from the mud discharging end part of the second panel to the reference surface is h2, and h1 is not less than h 2. At this time, not only the mud yield is high, but also the compactness is high.

According to a specific implementation and preferred aspect of the utility model, the connection panel is the spring board of buckling downwards from both ends, and wherein the spring board is dull and stereotyped by the first flat board of limit formation and second of buckling, and the laminating of first flat board is on the inclined plane of first panel and along inclined plane incline direction from top to bottom movably setting up in the lower part of first panel, and the laminating of second flat board is on the second panel.

Preferably, the first plate is attached to the outer side inclined plane of the first panel, and the second plate is fixedly attached to the bottom surface of the second panel. Thus, the spring plate does not cause the obstruction of sludge discharge, and meanwhile, the spring plate is suitable for adjusting the micro-tension of the second panel according to the characteristics (with certain elastic force) of the spring plate, so that the discharge amount and the water content of the concentrated sludge can be accurately controlled.

According to a specific implementation and preferred aspect of the utility model, go out mud mechanism and still include the coupling assembling that sets up on first panel and be used for adjusting spring plate and second panel along first panel incline direction up-and-down motion. Generally, the downward movement adjustment is performed, and the upward movement loosening adjustment is performed in a state where the downward movement adjustment is transitional.

Preferably, the connecting assembly comprises a pressing plate fixedly attached to the first flat plate, a first connecting seat fixedly arranged on the upper portion of the first flat plate, a second connecting seat fixedly arranged on the pressing plate, a connecting bolt piece arranged in parallel with the inclined surface of the first flat plate and used for connecting the first connecting seat with the second connecting seat, and a positioning bolt piece capable of avoiding the movement of the pressing plate and fixedly connecting the pressing plate with the first flat plate, wherein an elongated hole extending along the length direction of the connecting bolt piece is formed in the pressing plate, a bolt rod portion of the positioning bolt piece can slide in the elongated hole, and after the connecting bolt piece is adjusted, the second connecting seat can move up and down along the length direction of the bolt rod of the connecting bolt piece.

Preferably, the head portion of the jackbolt member is located inside the first panel. As long as the bolt head does not penetrate through the inner side wall of the first panel, the positioning bolt pieces cannot cause mud blockage at the mud outlet.

According to the utility model discloses a still another concrete implementation and preferred aspect, the regulating unit includes the fixing base, along the regulating spindle that the mud outlet width direction extends, be used for the connecting rod that is connected regulating spindle and second panel and drive regulating spindle around self axis forward or reverse rotation's drive assembly, wherein fixes being equipped with the armed lever on the regulating spindle, is equipped with the connecting block on the second panel, and the armed lever is located the top of connecting block, and the lower tip rotates with armed lever and connecting block respectively on the connecting rod to be connected.

Preferably, the driving assembly comprises a rocker arm rod with one end fixedly connected with the adjusting shaft and a lifting rod piece connected to the other end of the rocker arm rod, wherein after the lifting rod piece lifts the rocker arm rod, the adjusting shaft rotates reversely, and the connecting rod pulls the second panel to lift; otherwise, the adjusting shaft rotates in the positive direction, and the connecting rod pushes the second panel to press downwards.

Furthermore, the lifting rod piece comprises a base which is fixedly arranged, a support which is rotatably connected with the other end of the rocker arm rod, and two stud bolts which are butted from one end through threaded sleeves, wherein the other end of the stud bolt is respectively and fixedly connected with the support and the base, after the threaded sleeves are driven to rotate, the stud bolts move relatively close to or away from each other, and the rocker arm rod swings upwards or downwards to adjust the second panel to lift and press down.

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 includes a first baffle extending upward from a lower edge of the notch, and a second baffle inclined from an upper edge of the first baffle toward the inside of the cleaning tank.

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 barrel, 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.

Preferably, the cleaning device is positioned at the outlet of the sludge extrusion channel of the dewatering machine body, 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:

on the one hand, the utility model reduces the water content of the sludge entering the electroosmosis dewatering machine on the premise of improving the sludge discharging efficiency of the concentration device; on the other hand, the cleaning treatment on the surface of the electrode plate is carried out on line, so that the electroosmosis efficiency and effect are further improved, and meanwhile, the brushing part can also carry out self-cleaning in the brushing process, so that the cleaning quality of the brushing 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 front view of the sludge thickening and dewatering integrated machine of the present invention;

FIG. 2 is a schematic front view of a sludge discharge mechanism of the sludge thickening apparatus of FIG. 1;

FIG. 3 is a schematic front view of an electrode plate cleaning apparatus of the electro-osmotic water extractor of FIG. 1;

FIG. 4 is a schematic sectional view taken along line D-D in FIG. 3;

wherein: x, a sludge concentration device; A. a concentration tank; B. a mud scraping plate group; C. a mud discharging mechanism; c1, mud discharging; c11, a first panel; c12, a second panel; c13, connecting panel; c131, a first flat plate; c132, a second flat plate; c2, a regulating unit; c20, a fixed seat; c21, an adjusting shaft; c22, connecting rod; c23, a drive assembly; 230. a rocker arm lever; 231. lifting the rod; c. a base; d. a support; e. a stud bolt; f. a threaded sleeve; c24, arm lever; c25, connecting blocks; c3, connecting components; c30, a pressure plate; c31, a first connecting seat; c32, a second connecting seat; c33, connecting bolt pieces; c34, a set bolt;

y, an electroosmosis dehydrator; t, 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 baffle; q72, a second baffle; 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 present embodiment relates to a sludge thickening and dewatering all-in-one machine comprising a sludge thickening apparatus X and an electro-osmotic dewatering machine Y.

Specifically, the structure of the sludge concentration apparatus X is substantially the same as (belonging to the prior art) the sludge concentration apparatus of patent No. ZL201510046423.1 (patent documents filed by the present applicant at 2015-01-29), except for the arrangement of the sludge discharge mechanism of the sludge discharge port.

In this example, the sludge thickening apparatus X includes a thickening tank a having a sludge inlet and a sludge outlet, a sludge scraping plate group B provided in the thickening tank, and a sludge outlet mechanism C.

Specifically, the concentrating tank a and the scraper group B are referred to as patent No. ZL201520064038.5, and will not be described in detail here.

Referring to fig. 2, the mud discharging mechanism C includes a mud discharging plate C1, the mud discharging plate C1 includes a first panel C11, a second panel C12, and a connecting panel C13, wherein the first panel C11 is obliquely arranged at a mud discharging port of the mud concentration tank from top to bottom, the connecting panel C13 adjustably connects the second panel C12 to the lower portion of the first panel C11, and the mud discharging mechanism C further includes an adjusting unit C2 which is butted with the second panel C12 and adjusts the second panel C12 to move up and down.

Specifically, the first panel c11 is fixed on the outer wall surface of the concentration tank of the sludge concentration device, and the angle formed by the first panel c11 and the horizontal plane is larger than the angle formed by the second panel c12 and the horizontal plane.

In this example, the first panel c11 makes an angle of 45 ° with the horizontal plane, and the second panel c12 makes an angle of 2.86 ° with the horizontal plane. At this time, the compactness, water content, and sludge yield of the discharged sludge are all optimal.

Meanwhile, on the same reference plane below the mud discharging plate c1, the vertical distance from the lower end part of the first panel c11 to the reference plane is h1, the vertical distance from the mud discharging end part of the second panel c12 to the reference plane is h2, and h2 is less than h 1. At this time, not only the mud yield is high, but also the compactness is high.

The connecting panel c13 is a spring plate bent downward from two ends, wherein the spring plate is formed by a first flat plate c131 and a second flat plate c132 by bent edges, the first flat plate c131 is attached to the inclined surface of the first panel c11 and is movably disposed at the lower part of the first panel c11 in the inclined direction of the inclined surface, and the second flat plate c132 is attached to the second panel c 12.

In this example, the thickness of the spring plate is 1mm, that is, the spring plate has a certain elastic deformation capability, and no matter the second panel c12 is in a pressing state or a lifting state, the spring plate can be slightly deformed to adapt to the adjustment of the second panel c12, so that mud discharging is facilitated.

Specifically, the first plate c131 is attached to the outer side inclined surface of the first panel c11, and the second plate c132 is fixedly connected to the bottom surface of the second panel c12 (usually, by welding). Thus, the spring plate does not cause the obstruction of sludge discharge, and meanwhile, the spring plate is suitable for adjusting the micro-tension of the second panel according to the characteristics (with certain elastic force) of the spring plate, so that the discharge amount and the water content of the concentrated sludge can be accurately controlled.

The adjusting unit c2 comprises a fixed seat c20, an adjusting shaft c21 extending along the width direction of the mud outlet, a connecting rod c22 for connecting the adjusting shaft c21 with the second panel c12, and a driving assembly c23 for driving the adjusting shaft c21 to rotate around the axis of the adjusting shaft c21 in the forward direction or the reverse direction, wherein an arm c24 is fixedly arranged on the adjusting shaft c21, a connecting block c25 is arranged on the second panel c12, the arm c24 is positioned above the connecting block c25, and the upper end and the lower end of the connecting rod c22 are respectively connected with the arm c24 and the connecting block c25 in a rotating manner. The driving assembly c23 comprises a rocker lever 230 with one end fixedly connected with the adjusting shaft c21, and a lifting rod 231 connected with the other end of the rocker lever 230, wherein after the lifting rod 231 lifts the rocker lever 230, the adjusting shaft c21 rotates reversely, and the connecting rod c22 pulls the second panel c12 to lift; conversely, the adjusting shaft c21 rotates in the forward direction, and the link c22 pushes the second panel c12 to press down.

The lifting rod 231 includes a base c fixedly disposed, a support d rotatably connected to another end (right end) of the rocker arm 230, and two stud bolts e butted from one end through a threaded sleeve f, wherein another end of the stud bolt e is respectively fixedly connected to the support d and the base c, after the threaded sleeve f is driven to rotate, the stud bolts e move relatively close to or away from each other, and the rocker arm 230 swings upward or downward to adjust the lifting and pressing movement of the second panel c 12.

In this example, through the matching of the double-headed screw thread and the screw sleeve f, when the screw sleeve is rotated, the two double-headed bolts e move towards each other, that is, when the two double-headed bolts e approach relatively, the lifting rod 231 at this time is in a contracted state, the right end part of the rocker arm rod 230 descends, the adjusting shaft c21 rotates forwards, and the connecting rod c22 presses the second panel c12 downwards; when the two stud bolts e are relatively far away, the lifting rod 231 is in an extension state at the moment; the right end of the rocker lever 230 is raised and the adjustment shaft c21 is reversed, and the link c22 pulls the second panel c12 upward.

The mud discharging mechanism C further comprises a connecting assembly C3 which is arranged on the first panel C11 and is used for adjusting the spring plate and the second panel C12 to move up and down along the inclined direction of the first panel C11. Generally, the downward movement adjustment is performed, and the upward movement loosening adjustment is performed in a state where the downward movement adjustment is transitional.

The connecting assembly c3 includes a pressing plate c30 fixedly attached to the first flat plate c131, a first connecting seat c31 fixedly disposed on the upper portion of the first panel c11, a second connecting seat c32 fixedly disposed on the pressing plate c30, a connecting bolt c33 disposed parallel to the inclined surface of the first flat plate c131 and used for connecting the first connecting seat c31 with the second connecting seat c32, and a positioning bolt c34 capable of moving away from the pressing plate c30 and fixedly connecting the pressing plate c30 with the first panel c11, wherein an elongated hole extending along the length direction of the connecting bolt c33 is formed in the pressing plate c30, a bolt portion of the positioning bolt c34 is capable of sliding in the elongated hole, and after the connecting bolt c33 is adjusted, the second connecting seat c32 is capable of moving up and down along the length direction of the bolt c 33.

It is quite common in the art to adjust the position of the connecting block relative to the bolt by means of two nuts, and it is clear that the two nuts on the connecting bolt are adjusted to the second connecting seat c32 between the two nuts, which is also incorporated in this application. The head of the jackbolt piece c34 is located inside the first panel c 11. As long as the bolt head does not pass through the inner side wall of the first panel, the positioning bolt pieces c34 do not cause mud blockage at the mud outlet.

The electroosmotic dehydrator Y in this example includes a dehydrator body T having an electrode plate j, and a cleaning device Q for cleaning the electrode plate j.

Specifically, the dehydrator body T has a structure substantially the same as that of the related art having patent No. ZL201710095903.6 entitled high efficiency electro-osmotic 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 extruding passage of the dehydrator body T.

As shown in fig. 3 and 4, 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 catching baffle q7 includes a first panel q71 extending upward from the inner side of the notch k at the lower side, and a second baffle q72 inclined from the upper edge of the first baffle q71 toward the inside of the cleaning cylinder 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.

The electrode plate cleaning process of the implementation 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.

In conclusion, the application further improves the sludge concentration and dehydration all-in-one machine on the basis of the texts disclosed by the patent numbers ZL201510046423.1 and ZL201710095903.6, wherein the water content can be reduced by 1% -3% through the arrangement of the sludge outlet mechanism, and meanwhile, the water content is reduced by 1% -5% after the cleaning treatment of the electrode plates, so that the water content can be reduced by 2% -8% on the original basis, although the reduction value of the water content is smaller, the dehydration rate can be further improved on the premise of higher dehydration rate, and the method is very difficult to obtain, and therefore, the technical effect is very remarkable.

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 (10)

1. A sludge thickening and dewatering all-in-one machine comprises:

the sludge thickening device comprises a thickening box with a sludge inlet and a sludge outlet, a sludge scraping assembly and a sludge outlet mechanism arranged at the sludge outlet of the thickening box;

an electro-osmotic dehydrator comprising a body having an electrode plate;

the method is characterized in that:

the sludge outlet mechanism comprises a sludge outlet plate, the sludge outlet plate comprises a first panel, a second panel and a connecting panel, the first panel is obliquely arranged at a sludge outlet of the sludge concentration tank from top to bottom, the connecting panel connects the second panel to the lower part of the first panel in an adjustable manner, and the sludge outlet mechanism further comprises an adjusting unit which is butted with the second panel and adjusts the second panel to move up and down;

the electroosmosis dehydrator also comprises a cleaning device for cleaning the electrode plate, wherein the cleaning device comprises a cleaning support, a cleaning cylinder transversely arranged on the cleaning support and provided with cleaning liquid at the bottom, a cleaning roller brush extending along the length direction of the cleaning cylinder, and a driving piece for driving the cleaning roller brush to rotate around the axis of the cleaning cylinder, wherein the electrode plate moves along a set moving track under the driving of an annular conveying frame, the cleaning roller cylinder is provided with a notch for the moving track of the electrode plate to pass through, the notch is positioned above the liquid level of the cleaning liquid, the cleaning roller brush comprises a roller shaft and a brush sweeping piece, and when cleaning is carried out, a brush sweeping part of the brush sweeping piece corresponding to the notch is in contact 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 bottom cleaning liquid and then transferred to the notch to continuously clean the surface of the electrode plate in movement.

2. The sludge concentrating and dewatering integrated machine according to claim 1, wherein: the first panel is fixed on the outer wall surface of the concentrating box, and the angle formed by the first panel and the horizontal plane is larger than the angle formed by the second panel and the horizontal plane.

3. The sludge concentrating and dewatering integrated machine according to claim 2, wherein: the angle formed by the first panel and the horizontal plane is 30-60 degrees, and the angle formed by the second panel and the horizontal plane is 0-10 degrees.

4. The sludge concentrating and dewatering integrated machine according to claim 1, wherein: the connecting panel is a spring plate which is bent downwards from two end parts, wherein the spring plate is formed into a first flat plate and a second flat plate by bent edges, the first flat plate is attached to the inclined plane of the first panel and is movably arranged at the lower part of the first panel up and down along the inclined plane inclined direction, and the second flat plate is attached to the second panel.

5. The sludge concentrating and dewatering integrated machine according to claim 4, wherein: the mud discharging mechanism further comprises a connecting assembly which is arranged on the first panel and is used for adjusting the spring plate and the second panel to move up and down along the inclined direction of the first panel.

6. The sludge concentrating and dewatering integrated machine according to claim 1, wherein: the adjusting unit comprises a fixed seat, an adjusting shaft extending along the width direction of the sludge outlet, a connecting rod used for connecting the adjusting shaft with the second panel, and a driving assembly driving the adjusting shaft to rotate around the axis of the adjusting shaft in the forward direction or the reverse direction, wherein an arm rod is fixedly arranged on the adjusting shaft, a connecting block is arranged on the second panel, the arm rod is positioned above the connecting block, and the upper end part and the lower end part of the connecting rod are respectively connected with the arm rod and the connecting block in a rotating manner.

7. The sludge concentrating and dewatering integrated machine according to claim 1, wherein: 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.

8. The sludge concentrating and dewatering integrated machine according to claim 7, wherein: 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.

9. The sludge thickening and dewatering integrated machine according to claim 7 or 8, wherein: a cleaning plate extending along the length direction of the cleaning cylinder is further arranged on the inner wall of the cleaning cylinder, wherein the cleaning plate is positioned between the upper edge of the notch and the liquid level of the cleaning liquid; 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.

10. The sludge concentrating and dewatering integrated machine according to claim 1, wherein: the cleaning device is positioned at the outlet of the sludge extrusion channel of the dehydrator body, and the driving piece drives the cleaning roller brush to rotate opposite to the annular conveying frame.

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