CN115432783A - Waste water electrocatalytic oxidation reactor - Google Patents

Abstract

The invention relates to the technical field of wastewater treatment, in particular to a wastewater electrocatalytic oxidation reactor which comprises an electrolytic bath, wherein a partition plate is fixedly arranged in the electrolytic bath, a plurality of electrode units are uniformly arranged in the electrolytic bath on the left side of the partition plate at intervals from front to back, each electrode unit comprises a plate electrode and two aeration pipes which are oppositely arranged on the front side and the back side of the plate electrode, a torsion spring is connected between each aeration pipe and an aeration box, a plurality of air outlet holes are uniformly arranged at the top of each aeration pipe at intervals along the length direction, a guide block is fixedly arranged at the right end of each aeration pipe, a bath plate is fixedly arranged on the left side of the partition plate, and guide grooves which are in one-to-one correspondence with the guide blocks are arranged on the left side of the bath plate; the plurality of aeration pipes are driven to move up and down through the first driving assembly, when the aeration pipes drive the guide blocks at the right ends of the aeration pipes to upwards enter the corresponding guide grooves, the guide grooves and the guide blocks are matched to enable the aeration pipes to rotate and enable the air outlet holes to be aligned with the electrode plates, and therefore side aeration of the electrode plates is flushed in the process that the aeration pipes move up and down.

Description

Waste water electrocatalytic oxidation reactor

Technical Field

The invention relates to the technical field of wastewater treatment, in particular to an electrocatalytic oxidation reactor for wastewater.

Background

The electrocatalytic oxidation technology degrades organic pollutants in the wastewater by generating active groups with strong oxidizability such as hydroxyl radicals and the like, has the characteristics of no secondary pollution, low cost, strong applicability, high efficiency and the like, and has application potential in the aspect of treating wastewater with high concentration and difficult biochemical degradation.

The invention patent with the application number of CN202010609995.7 discloses an electrocatalytic oxidation device, which comprises a tank body, wherein a cathode electrode and an anode electrode are arranged in the tank body, an air outlet is formed in the top of the side surface of the tank body, a push plate is arranged at one end, far away from the air outlet, in the tank body, a bottom plate is vertically and slidably connected to the push plate, the upper surface of the bottom plate is a downward sliding inclined surface inclining downwards from the side close to the push plate, a guide block is fixed at one end, close to the air outlet, of the inner side of the tank body, and the guide block is provided with a guide inclined surface inclining and extending downwards from the bottom of the air outlet. The dross passes through the push pedal and removes the gathering, promotes dross toward the gas outlet direction, when the inclined plane is just continued to the gas outlet direction motion along with the push pedal to the direction of bottom plate butt direction, the bottom plate shifts up, finally makes the bottom plate shift up to the bottom plate upper surface and is higher than the gas outlet lower extreme, and the dross is piled up on the bottom plate and because the suction of air exhauster and self gravity glide down toward the gas outlet and drops, can get rid of the dross that the electrolysis in-process produced fast.

However, the above electrocatalytic oxidation apparatus cannot clean the electrode plate in time during the reaction process, and dirt adheres to the surface of the electrode plate after long-term use, resulting in gradual reduction of the efficiency of wastewater treatment.

Disclosure of Invention

The invention aims to provide a wastewater electrocatalytic oxidation reactor which is convenient for cleaning electrode plates and solves the problems in the prior art.

In order to solve the technical problems, the technical scheme of the invention is as follows: an electrocatalytic oxidation reactor for wastewater comprises an electrolytic bath, wherein a partition plate is fixedly arranged in the electrolytic bath, and a scum collecting chamber positioned on the right side of the partition plate is arranged in the electrolytic bath; a plurality of electrode units are uniformly arranged in the electrolytic tank on the left side of the partition plate at intervals from front to back, each electrode unit comprises an electrode plate and two aeration pipes which are oppositely arranged on the front side and the back side of the electrode plate, the aeration pipes extend leftwards and rightwards, and the electrode plates are fixedly arranged on the bottom wall of the electrolytic tank; the right end of each aeration pipe is closed, the left ends of the aeration pipes are rotatably mounted on the same aeration box, the left ends of the aeration pipes are communicated with the inner cavity of the aeration box, a torsion spring is connected between each aeration pipe and the corresponding aeration box, a plurality of air outlet holes are uniformly arranged at the top of each aeration pipe along the length direction at intervals, and each aeration box is also provided with an air inlet pipe connected with an air inlet hose; the right end of the aeration pipe is fixedly provided with a guide block, the guide block comprises an annular guide part coaxially and fixedly arranged on the outer side of the right end of the aeration pipe, the guide part is provided with a shifting block protruding towards one side close to the corresponding electrode plate, and the upper side surface of the shifting block is horizontally arranged and is tangent to the top of the guide part; a groove plate is fixedly installed on the left side of the partition plate, guide grooves which correspond to the guide blocks one to one are formed in the left side of the groove plate, the guide grooves extend vertically, the lower ends of the guide grooves are opened, the width of each guide groove is consistent with the diameter of the corresponding guide part, and a first driving assembly for driving the aeration pipes to move up and down is arranged in the electrolytic cell; and a scraping mechanism for sending the scum into the scum collecting chamber is arranged in the electrolytic cell.

As a further improvement, a plurality of aeration pipes are rotatably arranged on the same supporting plate.

As a preferred technical scheme, the first driving assembly comprises first lead screws respectively in threaded connection with the front end and the rear end of the aeration box and the front end and the rear end of the supporting plate, the first lead screws vertically extend, auxiliary plates are respectively fixedly mounted on the inner sides of the front side wall and the rear side wall of the electrolytic cell, two ends of the first lead screws are respectively rotatably connected to the auxiliary plates and the bottom wall of the electrolytic cell, and a first motor for driving the first lead screws to rotate is fixedly mounted at the bottom of the electrolytic cell.

As preferred technical scheme, the division board is equipped with vertical portion, rake and the horizontal part that connects gradually, the lower extreme fixed connection of vertical portion is in on the diapire of electrolysis trough, the upper end of vertical portion is connected the low side of rake, the high-end right slope of rake is connected the left end of horizontal part, the right-hand member of horizontal part is connected the right side wall of electrolysis trough, the dross collecting chamber is located preceding back lateral wall, right side wall, the diapire of electrolysis trough and between the division board, be equipped with the intercommunication on the horizontal part the dirty mouth that advances of dross collecting chamber, the bottom fixed mounting of electrolysis trough has the intercommunication the blow off pipe of dross collecting chamber.

As preferred technical scheme, strike off the mechanism including controlling movable mounting and be in mounting panel in the oral area of electrolysis trough, slidable mounting has vertical extension's scraper blade about the right side of mounting panel, be equipped with a plurality of holes of permeating water on the scraper blade, the left side fixed mounting of scraper blade has the dovetail block, the right side of mounting panel be equipped with dovetail block assorted dovetail, dovetail upper end opening, be equipped with on the mounting panel and be used for promoting the first spring of scraper blade downstream, work as the dovetail block removes extremely during the lower extreme of dovetail, the lower extreme of scraper blade stretches into below the liquid level of electrolysis trough, just the lower extreme of scraper blade is located along the projection of horizontal direction on the rake, be equipped with in the electrolysis trough and be used for driving the second drive assembly that removes about the mounting panel.

As a further improvement, the left lower end of the scraper is fixedly provided with a support, the support is fixedly provided with a slide bar which extends upwards, the bottom of the mounting plate is provided with a slide hole matched with the slide bar, and the first spring is supported between the upper end of the slide bar and the top wall of the slide hole.

As a further improvement, a mounting groove is formed in the right side of the mounting plate, a swing rod is arranged in the mounting groove, hinge shafts extending forwards and backwards are respectively arranged in the middle of the front side and the rear side of the swing rod, the swing rod is rotatably mounted in the mounting groove through the hinge shafts, a fixture block is arranged on the right side of the swing rod above the hinge shafts, a guide inclined plane is arranged at the bottom of the right side of the fixture block, a limiting plate matched with the swing rod is fixedly mounted on the top wall of the mounting groove, when the upper end of the swing rod is attached to the left side of the limiting plate, the right end of the fixture block extends out of the mounting groove, the projection of the scraper blade in the vertical direction is located on the guide inclined plane, and a second spring used for enabling the upper end of the swing rod to be attached to the left side of the limiting plate is connected between the swing rod and the inner wall of the mounting groove; the scraping plate is provided with a clamping groove matched with the clamping block, and when the lower end of the scraping plate abuts against the top of the horizontal part, the clamping groove is aligned with the clamping block; the inboard fixed mounting of the left side wall of electrolysis trough has the installation piece, be equipped with on the installation piece and be used for promoting the lower extreme of swinging arms pivoted right push rod, be equipped with the confession on the mounting panel the via hole that the push rod passed.

As the preferred technical scheme, the second driving assembly comprises second lead screws which are respectively in threaded connection with the front end and the rear end of the mounting plate, the second lead screws extend left and right, the two ends of the second lead screws are respectively connected with the left side wall and the right side wall of the electrolytic cell in a rotating mode, and a second motor used for driving the second lead screws to rotate is fixedly mounted on the electrolytic cell.

Has the advantages that:

by adopting the technical scheme, the electrocatalytic oxidation reactor for wastewater comprises an electrolytic bath, wherein a partition plate is fixedly arranged in the electrolytic bath, a plurality of electrode units are uniformly arranged in the electrolytic bath on the left side of the partition plate at intervals from front to back, each electrode unit comprises a plate electrode and two aeration pipes which are oppositely arranged on the front side and the back side of the plate electrode, a torsion spring is connected between each aeration pipe and an aeration box, a plurality of air outlet holes are uniformly arranged at the top of each aeration pipe along the length direction at intervals, a guide block is fixedly arranged at the right end of each aeration pipe, a bath plate is fixedly arranged on the left side of the partition plate, and guide grooves which are in one-to-one correspondence with the guide blocks are arranged on the left side of the bath plate;

according to the device, the plurality of aeration pipes are driven to move up and down through the first driving assembly, when the aeration pipes drive the guide blocks at the right ends of the aeration pipes to upwards enter the corresponding guide grooves, the guide grooves and the guide blocks are matched to enable the aeration pipes to rotate and enable the air outlet holes to be aligned with the electrode plate, so that the side surface aeration of the electrode plate is flushed in the up and down moving process of the aeration pipes, the electrode plate is more convenient to clean, and the wastewater treatment efficiency is high;

this application removes about driving the mounting panel through second drive assembly, and the lower extreme of scraper blade stretches into below the liquid level of electrolysis trough and drives the floccule on liquid level upper strata and get into dirty mouthful when the mounting panel moves to the right side, thereby the fixture block catches on the scraper blade when the mounting panel moves to the left and avoids the lower extreme of scraper blade to stretch into below the liquid level of electrolysis trough, and the floccule of avoiding the mounting panel to move the time new production left is piled up in the left side of scraper blade, and the effect of dross clearance is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 isbase:Sub>A schematic sectional view A-A of FIG. 1;

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

FIG. 4 is a schematic cross-sectional view B-B of FIG. 2;

FIG. 5 is an enlarged view of a portion II of FIG. 4;

FIG. 6 is a schematic structural diagram of a guide block of an embodiment of the present invention;

FIG. 7 is a schematic view of a guide block of an embodiment of the present invention entering a guide slot;

FIG. 8 is a top schematic view of FIG. 1;

FIG. 9 is a schematic top view of a mounting plate of an embodiment of the present invention;

FIG. 10 is a schematic cross-sectional view of C-C of FIG. 9;

FIG. 11 is a schematic cross-sectional view D-D of FIG. 9;

fig. 12 is a schematic view illustrating the latch according to the embodiment of the present invention being inserted into the latch groove;

fig. 13 is a schematic view illustrating a latch according to an embodiment of the present invention being disengaged from the latch slot.

In the figure: 1-an electrolytic cell; 2-water inlet pipe; 3, a drain pipe; 4-a partition plate; 5-a scum collection chamber; 6-an electrode unit; 7-an electrode plate; 8-an aerator pipe; 9-an aeration box; 10-torsion spring; 11-air outlet holes; 12-an intake pipe; 13-an air intake hose; 14-connecting blocks; 15-a guide block; 16-a guide; 17-a shifting block; 18-a channel plate; 19-a guide groove; 20-mounting a block; 21-a support plate; 22-a first lead screw; 23-an auxiliary plate; 24-a first electric machine; 25-a vertical portion; 26-an inclined portion; 27-a horizontal portion; 28-a sewage inlet; 29-a sewage draining pipe; 30-mounting a plate; 31-a first spring; 32-a support; 33-a slide bar; 34-a slide hole; 35-mounting grooves; 36-a sway bar; 37-a hinged axis; 38-a latch; 39-a guide ramp; 40-a limiting plate; 41-a second spring; 42-card slot; 43-a push rod; 44-a second lead screw; 45-a second motor; 46-a scraper; 47-dovetail block; 48-dovetail groove.

Detailed Description

As shown in figures 1 to 13, the electrocatalytic oxidation reactor for wastewater comprises an electrolytic cell 1, wherein supporting legs are respectively arranged at four corners of the bottom of the electrolytic cell 1, a water inlet pipe 2 is arranged on the left side of the top of the electrolytic cell 1, a water outlet pipe 3 is arranged on the left side of the bottom of the electrolytic cell 1, and valves are arranged on the water inlet pipe 2 and the water outlet pipe 3. A partition plate 4 is fixedly arranged in the electrolytic cell 1, and a scum collecting chamber 5 positioned on the right side of the partition plate 4 is arranged in the electrolytic cell 1; a plurality of electrode units 6 are uniformly arranged in the electrolytic tank 1 on the left side of the partition plate 4 at intervals from front to back, each electrode unit 6 comprises an electrode plate 7 and two aeration pipes 8 which are oppositely arranged on the front side and the back side of the electrode plate 7, the aeration pipes 8 extend from left to right, the electrode plates 7 are fixedly arranged on the bottom wall of the electrolytic tank 1, and the two adjacent electrode plates 7 are respectively connected with different poles of a power supply.

The right-hand member of aeration pipe 8 is sealed, the left end of a plurality of aeration pipes 8 all rotates and installs on same aeration box 9 and aeration pipe 8's left end is linked together with aeration box 9's inner chamber, be connected with torsional spring 10 between aeration pipe 8 and the aeration box 9, aeration pipe 8's top is equipped with a plurality of ventholes 11 along the even interval of length direction, still be equipped with intake pipe 12 on the aeration box 9, intake pipe 12 connects air inlet hose 13, air inlet hose 13 connects the air compressor machine.

Specifically, as shown in fig. 3, the outer wall of the aeration pipe 8 located on the right side of the aeration box 9 is provided with a connecting block 14, the torsion spring 10 is sleeved on the aeration pipe 8 located between the aeration box 9 and the connecting block 14, one end of the torsion spring 10 is fixedly connected to the right side of the aeration box 9, and the other end of the torsion spring 10 is fixedly connected to the connecting block 14. When no external force is applied, the aeration pipe 8 is limited through the torsion spring 10, the random rotation of the aeration pipe 8 is avoided, the air outlet 11 is kept at the top of the aeration pipe 8, and as shown in fig. 5, the upward aeration is carried out through the air outlet 11, so that floccules generated by electrolysis can be efficiently washed upwards to the upper layer of the liquid level of the electrolytic tank 1.

A guide block 15 is fixedly installed at the right end of the aerator pipe 8, as shown in fig. 6, the guide block 15 comprises an annular guide part 16 coaxially and fixedly installed at the outer side of the right end of the aerator pipe 8, the guide part 16 can be fixed with the aerator pipe 8 through a screw, the head of the screw is accommodated in a sink groove at the outer side of the guide part 16, a shifting block 17 protruding towards one side close to the corresponding electrode plate 7 is integrally formed on the guide part 16, and the upper side surface of the shifting block 17 is horizontally arranged and is tangent to the top of the guide part 16; the left side of division board 4 is fixed with frid 18, and the left side of frid 18 is equipped with the guide way 19 with a plurality of guide blocks 15 one-to-one, and as shown in fig. 4, guide way 19 is vertical extension rectangular form, and the lower extreme of guide way 19 is equipped with the opening of loudspeaker form, and the width of guide way 19 is unanimous with the diameter of guide part 16, is equipped with the first drive assembly that is used for driving a plurality of aeration pipes 8 and reciprocates in the electrolysis trough 1.

In the initial state, the aeration pipe 8 is positioned at the bottom of the electrolytic tank 1, the right end of the aeration pipe 8 is positioned below the tank plate 18, at this time, the guide groove 19 does not interfere with the guide block 15, the torsion spring 10 keeps the air outlet 11 positioned at the top of the aeration pipe 8, and as shown in fig. 5, the air outlet 11 aerates upwards, so that floccules generated by electrolysis are efficiently washed upwards to the upper layer of the liquid level of the electrolytic tank 1.

After the electrode plate 7 works for a long time, the first driving assembly drives the plurality of aeration pipes 8 to move upwards, the aeration pipes 8 drive the guide blocks 15 to upwards enter the corresponding guide grooves 19, because the width of the guide grooves 19 is consistent with the diameter of the guide parts 16, when the guide blocks 15 upwards contact the groove plates 18, the lower ends of the groove plates 18 can push the shifting blocks 17 to downwards rotate, so that the side, which is tangent to the guide parts 16 at the beginning, of the shifting blocks 17 rotates to be in a vertical state, so that the guide blocks 15 can smoothly upwards enter the guide grooves 19, and meanwhile, the guide blocks 15 drive the aeration pipes 8 to rotate ninety degrees to the side close to the corresponding electrode plate 7 and enable the torsion springs 10 to elastically deform, so that the air outlet holes 11 on the aeration pipes 8 are aligned with the electrode plate 7, as shown in fig. 7; the first driving assembly continues to drive the aeration pipes 8 to move upwards, meanwhile, the aeration pipes 8 drive the guide blocks 15 to move upwards along the guide grooves 19, in the process, the front side and the rear side of the electrode plate 7 are aerated through the corresponding two aeration pipes 8 to be washed, dirt adhered to the front side and the rear side of the electrode plate 7 is washed clean, and therefore the electrode plate 7 is cleaned; after the guide block 15 moves to the upper end of the guide groove 19, the plurality of aeration pipes 8 are driven to move downwards by the first driving assembly, meanwhile, the aeration pipes 8 drive the guide block 15 to move downwards along the guide groove 19, the corresponding two aeration pipes 8 also scour the front side and the rear side of the electrode plate 7 in the process until the aeration pipes 8 drive the guide block 15 to slide downwards out of the guide groove 19, the torsion spring 10 drives the aeration pipes 8 to rotate to return to the original position, so that the air outlet 11 rotates to the top of the aeration pipes 8 again, and one cleaning work is completed.

A scraping mechanism for sending the scum into the scum collecting chamber 5 is arranged in the electrolytic bath 1.

A plurality of aeration pipes 8 all rotate and install on same backup pad 21, and backup pad 21 is close to the right-hand member setting of aeration pipe 8, and guide block 15 is located the right side of backup pad 21, supports aeration pipe 8 through aeration box 9 and backup pad 21 both ends about respectively to improve the stability when aeration pipe 8 reciprocates.

The first driving assembly comprises first lead screws 22 which are respectively in threaded connection with the front end and the rear end of the aeration box 9 and the front end and the rear end of the supporting plate 21, the first lead screws 22 vertically extend, auxiliary plates 23 are respectively fixedly installed on the inner sides of the front side wall and the rear side wall of the electrolytic cell 1 through screws, the two ends of the first lead screws 22 are respectively in rotary connection with the auxiliary plates 23 and the bottom wall of the electrolytic cell 1, and a first motor 24 for driving the first lead screws 22 to rotate is fixedly installed at the bottom of the electrolytic cell 1. The first motor 24 drives the first screw rod 22 to rotate when working, the corresponding first screw rod 22 drives the aeration box 9 and the support plate 21 to move up and down, and then the aeration box 9 and the support plate 21 drive the plurality of aeration pipes 8 to move up and down.

As shown in fig. 1, the partition plate 4 is provided with a vertical part 25, an inclined part 26 and a horizontal part 27 which are connected in sequence, the lower end of the vertical part 25 is fixedly connected on the bottom wall of the electrolytic tank 1, the upper end of the vertical part 25 is connected with the lower end of the inclined part 26, the high end of the inclined part 26 is inclined to the right and connected with the left end of the horizontal part 27, the right end of the horizontal part 27 is connected with the right side wall of the electrolytic tank 1, the scum collecting chamber 5 is positioned between the front and rear side walls, the right side wall, the bottom wall and the partition plate 4 of the electrolytic tank 1, the vertical part 25, the inclined part 26 and the horizontal part 27 are integrally formed and arranged, and can be connected with the inner wall of the electrolytic tank 1 through welding. The trough plate 18 is fixedly arranged at the left side of the vertical part 25 through screws, the horizontal part 27 is provided with a sewage inlet 28 communicated with the scum collecting chamber 5, the bottom of the electrolytic bath 1 is fixedly provided with a sewage discharge pipe 29 communicated with the scum collecting chamber 5, and the sewage discharge pipe 29 is provided with a valve.

The scraping mechanism comprises a mounting plate 30 movably mounted in the opening of the electrolytic cell 1 from left to right, a vertically extending scraping plate 46 is vertically and slidably mounted on the right side of the mounting plate 30, a plurality of water permeable holes are formed in the scraping plate 46, as shown in fig. 9 and 11, a plurality of dovetail blocks 47 are fixedly mounted on the left side of the scraping plate 46 at regular intervals from front to back through screws, a dovetail groove 48 matched with the dovetail blocks 47 is formed in the right side of the mounting plate 30, the upper end of the dovetail groove 48 is opened to facilitate mounting of the scraping plate 46, a first spring 31 used for pushing the scraping plate 46 to move downwards is arranged on the mounting plate 30, when the dovetail blocks 47 move to the lower end of the dovetail groove 48, as shown in fig. 1, the lower end of the scraping plate 46 extends below the liquid level of the electrolytic cell 1, the horizontal projection of the lower end of the scraping plate 46 is located on the inclined portion 26, and a second driving assembly used for driving the mounting plate 30 to move left and right is arranged in the electrolytic cell 1.

After the electrode plate 7 works for a long time, a large amount of floccules are washed to the upper layer of the liquid surface of the electrolytic bath 1, the mounting plate 30 is driven to move rightwards through the second driving assembly, the mounting plate 30 drives the scraper 46 to move rightwards, and the scraper 46 drives the floccules on the upper layer of the liquid surface to move rightwards; when the scraper 46 moves to the right and the lower end thereof is in contact with the inclined part 26, the scraper 46 moves to the right while moving upward along the inclined part 26 and compressing the first spring 31, so that the scraper 46 moves smoothly to the top of the horizontal part 27 along the inclined part 26, and at the same time, the floc on the upper layer of the liquid surface moves to the right along the inclined part 26 to the upper part 27 by the scraper 46 and finally falls downward into the scum collecting chamber 5 through the dirt inlet 28, thereby realizing the cleaning of the scum on the liquid surface of the electrolytic cell 1. When the scum collecting chamber 5 collects more dirt, a valve on the drain pipe 29 is opened for cleaning.

As shown in fig. 11, in order to improve the stability of the up-and-down movement of the scraper 46, a support 32 is fixedly mounted at the lower left end of the scraper 46 by a screw, a slide rod 33 extending upward is fixedly mounted on the support 32, a slide hole 34 matching with the slide rod 33 is formed at the bottom of the mounting plate 30, and the first spring 31 is supported between the upper end of the slide rod 33 and the top wall of the slide hole 34. Specifically, a plurality of slide bars 33 are uniformly arranged in front and back at intervals, and the slide holes 34 correspond to the slide bars 33 one by one.

As shown in fig. 9 and 10, two mounting grooves 35 are arranged in parallel in the front and back of the right side of the mounting plate 30, a swing rod 36 is arranged in the mounting groove 35, hinge shafts 37 extending in the front and back directions are respectively arranged in the middle parts of the front and back sides of the swing rod 36, the swing rod 36 is rotatably mounted in the mounting groove 35 through the hinge shafts 37, a latch 38 is arranged on the right side of the swing rod 36 above the hinge shafts 37, a guide inclined plane 39 is arranged at the bottom of the right side of the latch 38, a limit plate 40 matched with the swing rod 36 is fixedly mounted on the top wall of the mounting groove 35 through screws, when the upper end of the swing rod 36 is attached to the left side of the limit plate 40, the right end of the latch 38 extends out of the mounting groove 35 and the projection of the scraper 46 in the vertical direction is located on the guide inclined plane 39, a second spring 41 for attaching the upper end of the swing rod 36 to the left side of the limit plate 40 is connected between the swing rod 36 and the inner wall of the mounting groove 35, spring mounting grooves are respectively arranged on the inner side of the left side wall of the left side of the mounting groove 35 and on the upper end of the swing rod 36, and two ends of the second spring mounting groove 41 are respectively clamped into the corresponding spring mounting grooves; the scraping plate 46 is provided with a clamping groove 42 matched with the clamping block 38, and when the lower end of the scraping plate 46 is abutted against the top of the horizontal part 27, the clamping groove 42 is aligned with the clamping block 38; the inner side of the left side wall of the electrolytic cell 1 is fixedly provided with an installation block 20 through a screw, the right side of the installation block 20 is provided with a push rod 43 for pushing the lower end of the swing rod 36 to rotate rightwards, and the installation plate 30 is provided with a through hole for the push rod 43 to pass through.

During the process of cleaning the liquid surface scum of the electrolytic cell 1, when the scraper 46 moves rightwards until the lower end of the scraper 46 is contacted with the inclined part 26, the scraper 46 moves upwards along the inclined part 26 while moving rightwards, when the scraper 46 moves upwards to be contacted with the guide inclined surface 39 at the bottom of the right side of the fixture block 38, the upper ends of the fixture block 38 and the swing rod 36 are pushed to rotate leftwards during the upward movement of the scraper 46, and the second spring 41 is compressed until the scraper 46 moves rightwards along the inclined part 26 to the top of the horizontal part 27, and simultaneously, the scraper 46 drives the clamping groove 42 to move upwards to be aligned with the fixture block 38, so that the second spring 41 in the compressed state extends and pushes the upper end of the swing rod 36 to rotate rightwards, and the swing rod 36 drives the fixture block 38 to extend rightwards out of the mounting groove 35 and into the clamping groove 42, as shown in fig. 12.

After one scum cleaning is finished, the mounting plate 30 is driven by the second driving assembly to move leftwards to the left end of the electrolytic cell 1, so that the next scum cleaning operation can be conveniently carried out; when the mounting plate 30 moves leftwards, the clamping block 38 extends into the clamping groove 42 to hook the scraper 46, so that the scraper 46 cannot extend downwards below the liquid level of the electrolytic cell 1 under the thrust action of the first spring 31, and the flocculent newly generated when the mounting plate 30 moves leftwards is prevented from being accumulated on the left side of the scraper 46; when the mounting plate 30 moves to the left to be attached to the mounting block 20, as shown in fig. 13, the push rod 43 penetrates through the through hole and extends into the mounting groove 35, the lower end of the swing rod 36 is pushed to rotate to the right by the blocking effect of the push rod 43, meanwhile, the upper end of the swing rod 36 rotates to the left and drives the latch 38 to disengage from the latch slot 42 to the left, and then the first spring 31 in a compressed state pushes the scraper 46 to move downwards by the slide rod 33, so that the dovetail block 47 moves to the lower end of the dovetail slot 48 and the lower end of the scraper 46 extends below the liquid level of the electrolytic cell 1 again, so as to facilitate the next scum cleaning operation.

The second driving assembly comprises second lead screws 44 which are respectively in threaded connection with the front end and the rear end of the mounting plate 30, the second lead screws 44 extend leftwards and rightwards, the two ends of the second lead screws 44 are respectively in rotary connection with the left side wall and the right side wall of the electrolytic cell 1, and a second motor 45 for driving the second lead screws 44 to rotate is fixedly mounted on the electrolytic cell 1. When the second motor 45 works, the second lead screw 44 is driven to rotate, and the mounting plate 30 is driven to move left and right through the second lead screw 44.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims (8)

1. The utility model provides a waste water electrocatalytic oxidation reactor, includes the electrolysis trough, its characterized in that: a partition plate is fixedly arranged in the electrolytic cell, and a scum collecting chamber positioned on the right side of the partition plate is arranged in the electrolytic cell; a plurality of electrode units are uniformly arranged in the electrolytic tank on the left side of the partition plate at intervals from front to back, each electrode unit comprises an electrode plate and two aeration pipes which are oppositely arranged on the front side and the back side of the electrode plate, the aeration pipes extend leftwards and rightwards, and the electrode plates are fixedly arranged on the bottom wall of the electrolytic tank;

the right end of each aeration pipe is closed, the left ends of a plurality of aeration pipes are rotatably mounted on the same aeration box, the left ends of the aeration pipes are communicated with the inner cavity of the aeration box, a torsion spring is connected between each aeration pipe and the corresponding aeration box, a plurality of air outlet holes are uniformly arranged at the top of each aeration pipe along the length direction at intervals, an air inlet pipe is further arranged on each aeration box, and the air inlet pipe is connected with an air inlet hose;

the right end of the aeration pipe is fixedly provided with a guide block, the guide block comprises an annular guide part coaxially and fixedly arranged on the outer side of the right end of the aeration pipe, the guide part is provided with a shifting block protruding towards one side close to the corresponding electrode plate, and the upper side surface of the shifting block is horizontally arranged and is tangent to the top of the guide part; a groove plate is fixedly installed on the left side of the partition plate, guide grooves which correspond to the guide blocks one to one are formed in the left side of the groove plate, the guide grooves extend vertically, the lower ends of the guide grooves are opened, the width of each guide groove is consistent with the diameter of the corresponding guide part, and a first driving assembly for driving the aeration pipes to move up and down is arranged in the electrolytic cell;

and a scraping mechanism for sending the scum into the scum collecting chamber is arranged in the electrolytic cell.

2. An electrocatalytic oxidation reactor for wastewater as set forth in claim 1 wherein: the aeration pipes are rotatably arranged on the same supporting plate.

3. An electrocatalytic oxidation reactor for wastewater as set forth in claim 2 wherein: the first driving assembly comprises first lead screws which are respectively in threaded connection with the front end and the rear end of the aeration box and the front end and the rear end of the supporting plate, the first lead screws vertically extend, auxiliary plates are respectively and fixedly mounted on the inner sides of the front side wall and the rear side wall of the electrolytic cell, the two ends of each first lead screw are respectively and rotatably connected to the auxiliary plates and the bottom wall of the electrolytic cell, and a first motor used for driving the first lead screws to rotate is fixedly mounted at the bottom of the electrolytic cell.

4. An electrocatalytic oxidation reactor for wastewater as set forth in claim 1 wherein: the division board is equipped with vertical portion, rake and the horizontal part that connects gradually, the lower extreme fixed connection of vertical portion is in on the diapire of electrolysis trough, the upper end of vertical portion is connected the low side of rake, the high-end slope right of rake is connected the left end of horizontal part, the right-hand member of horizontal part is connected the right side wall of electrolysis trough, the dross is collected the room and is located the preceding back lateral wall, right side wall, the diapire of electrolysis trough and between the division board, be equipped with the intercommunication on the horizontal part the dirty mouth that advances of room is collected to the dross, the bottom fixed mounting of electrolysis trough has the intercommunication the blow off pipe of room is collected to the dross.

5. An electrocatalytic oxidation reactor for wastewater as set forth in claim 4 wherein: strike off the mechanism including controlling movable mounting and be in mounting panel in the oral area of electrolysis trough, slidable mounting has vertical extension's scraper blade about the right side of mounting panel, be equipped with a plurality of holes of permeating water on the scraper blade, the left side fixed mounting of scraper blade has the dovetail block, the right side of mounting panel be equipped with dovetail block assorted dovetail, dovetail upper end opening, be equipped with on the mounting panel and be used for promoting scraper blade downstream's first spring works as the dovetail block removes extremely during the lower extreme of dovetail, the lower extreme of scraper blade stretches into below the liquid level of electrolysis trough, just the lower extreme of scraper blade is located along the projection of horizontal direction on the rake, be equipped with in the electrolysis trough and be used for driving the second drive assembly who removes about the mounting panel.

6. An electrocatalytic oxidation reactor for wastewater as set forth in claim 5 wherein: the left side lower extreme fixed mounting of scraper blade has the support, fixed mounting has the slide bar that upwards extends on the support, the bottom of mounting panel be equipped with slide bar assorted slide opening, first spring support in the upper end of slide bar with between the roof of slide opening.

7. An electrocatalytic oxidation reactor for wastewater as set forth in claim 5 wherein: the right side of the mounting plate is provided with a mounting groove, a swing rod is arranged in the mounting groove, hinge shafts extending forwards and backwards are respectively arranged in the middle of the front side and the rear side of the swing rod, the swing rod is rotatably mounted in the mounting groove through the hinge shafts, a fixture block is arranged on the right side of the swing rod above the hinge shafts, a guide inclined plane is arranged at the bottom of the right side of the fixture block, a limiting plate matched with the swing rod is fixedly mounted on the top wall of the mounting groove, when the upper end of the swing rod is attached to the left side of the limiting plate, the right end of the fixture block extends out of the outer side of the mounting groove, the projection of the scraper plate along the vertical direction is located on the guide inclined plane, and a second spring used for enabling the upper end of the swing rod to be attached to the left side of the limiting plate is connected between the swing rod and the inner wall of the mounting groove; the scraper is provided with a clamping groove matched with the clamping block, and when the lower end of the scraper abuts against the top of the horizontal part, the clamping groove is aligned with the clamping block; the inboard fixed mounting of the left side wall of electrolysis trough has the installation piece, be equipped with on the installation piece and be used for promoting the lower extreme of swinging arms pivoted right push rod, be equipped with the confession on the mounting panel the via hole that the push rod passed.

8. An electrocatalytic oxidation reactor for wastewater as set forth in claim 5, wherein: the second drive assembly comprises second lead screws which are respectively in threaded connection with the front end and the rear end of the mounting plate, the second lead screws extend left and right, the two ends of the second lead screws are respectively connected with the left side wall and the right side wall of the electrolytic cell in a rotating mode, and the electrolytic cell is fixedly provided with a second motor which is used for driving the second lead screws to rotate.

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