CN212356656U

CN212356656U - Electrolytic phosphorus removal device

Info

Publication number: CN212356656U
Application number: CN202020822195.9U
Authority: CN
Inventors: 成光; 钱炜; 章建浩; 尤亚; 梁国锋
Original assignee: Zhejiang Zhengjing Environmental Protection Technology Co ltd
Current assignee: Zhejiang Zhengjing Environmental Protection Technology Co ltd
Priority date: 2020-05-18
Filing date: 2020-05-18
Publication date: 2021-01-15
Anticipated expiration: 2030-05-18

Abstract

The utility model discloses an electrolytic phosphorus removal device, which comprises a control box and an equipment box body, wherein the control box is arranged on the outer wall of the right end of the equipment box body, a raw water pool is arranged inside the left end of the equipment box body, a clean water pool is arranged inside the right end of the equipment box body, a filling masonry body is arranged at the bottom of a phosphorus removal electrolytic tank, a filter screen plate is arranged above the filling masonry body, the filter screen plate is fixed by a limit baffle ring of a square frame-shaped structure at the lower end, so that a large amount of flocculent precipitates generated by electrolytic reaction inside the phosphorus removal electrolytic tank can be filtered and retained on the surface of the filter screen through the filter screen plate, thereby avoiding the damage caused by the downward accumulation of the precipitates or the collision between an impeller inside a sewage pump and the precipitates, meanwhile, an overhaul window is arranged on the inner wall at the rear end of the phosphorus removal electrolytic tank, and the precipitates on the upper end surface, the discharge capacity of the sewage pump is prevented from being influenced by the excessively low flow of the filter screen plate.

Description

Electrolytic phosphorus removal device

Technical Field

The utility model belongs to the technical field of phosphorus wastewater handles is relevant, concretely relates to electrolysis phosphorus removal device.

Background

The method for controlling the phosphorus-containing pollution source becomes an important task of the current wastewater treatment, the treatment modes of the phosphorus-containing wastewater comprise dosing phosphorus removal, microbial phosphorus removal and electrolytic phosphorus removal, the microbial phosphorus removal efficiency is low, chemical dosing can generate a large amount of sludge, the auxiliary equipment cost is high, for small-sized sewage treatment equipment, an electrolytic method has the unique advantages of high treatment efficiency, easiness in control and the like, and the electrolytic phosphorus removal equipment applies the basic principle of electrolysis to ensure that harmful substances in the wastewater are respectively subjected to oxidation and reduction reactions on the anode and the cathode through the electrolysis process and are converted into harmless substances so as to realize the wastewater purification.

The prior electrolytic phosphorus removal device has the following problems: traditional electrolytic phosphorus removal device can produce a large amount of flocculent precipitate in the electrolytic reaction in-process, easily cause the dumps of dredge pump or lead to the inside impeller of dredge pump to collide with the precipitate and cause the damage when the precipitate piles up downwards, and traditional electrolytic phosphorus removal device bottom is planar structure, make the precipitate nearer apart from the sewage pump change in the absorption, and the precipitate of the region far away apart from the sewage pump piles up together because of suction is not enough, thereby reduce equipment internal capacity, and be difficult to the scheduling problem of clearance.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an electrolytic phosphorus removal device to solve traditional electrolytic phosphorus removal device that proposes in the above-mentioned background art can produce when a large amount of flocculent deposits pile up in the electrolytic reaction in-process and very easily cause the dumps of dredge pump or damage, equipment bottom are the problem that the deposit of planar structure distance sewage pump far away region piles up because of suction inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: an electrolytic phosphorus removal device comprises a control box and an equipment box body, wherein the control box is arranged on the outer wall of the right end of the equipment box body, a raw water pool is arranged inside the left end of the equipment box body, a clean water pool is arranged inside the right end of the equipment box body, a phosphorus removal electrolytic tank is arranged inside the equipment box body between the raw water pool and the clean water pool, a phosphorus removal electrode group is connected onto the inner wall of the upper end of the phosphorus removal electrolytic tank, an overhaul window is arranged on the inner wall of the rear end of the phosphorus removal electrolytic tank, a filling masonry is arranged inside the lower end of the phosphorus removal electrolytic tank, a collecting slide way is arranged at the upper end of the filling masonry, a sedimentation masonry pool is arranged at the lower end of the filling masonry, a sewage pump is arranged inside the sedimentation pool, the lower end of the sewage pump is connected with a supporting base, the upper end of the sewage, the phosphorus removal electrolytic cell is characterized in that a limiting retaining ring is connected to the inner wall of the phosphorus removal electrolytic cell on the upper side of the filled masonry, a filter screen plate is arranged on the outer wall of the upper end of the limiting retaining ring, a fixed ring sleeve is arranged at the center of the outer wall of the filter screen plate, and the phosphorus removal electrode group and the sewage pump are both electrically connected with an external power supply through a control box.

Preferably, the outer wall of the left end of the raw water tank is connected with a water inlet pipe, and the outer wall of the right end of the purified water tank is connected with a water outlet pipe.

Preferably, the filter screen plate is of a square structure, and the limit baffle ring is of a square frame-shaped structure.

Preferably, the slide of gathering of packing the brickwork upper end is back taper groove structure, the sediment of packing the brickwork lower extreme is concentrated the pond and is cylindrical groove structure, gather and smoothly be connected through the arc curved surface between slide and the sediment concentrated pond.

Preferably, the lower end sleeve seat of the sewage pump is arranged inside the upper end of the supporting base, and the outer wall of the lower end of the supporting base is connected with four supporting columns.

Preferably, the upper end of the sewage discharge pipe vertically penetrates through a fixed ring sleeve in the center of the outer wall of the filter screen plate.

Preferably, the sewage discharge pipe is positioned at the central position between the inner walls opposite to the phosphorus removal electrode group, and the sewage discharge pipe and the phosphorus removal electrode group are kept in a parallel state.

Compared with the prior electrolytic phosphorus removal device technology, the utility model provides an electrolytic phosphorus removal device possesses following beneficial effect:

1. the utility model discloses a set up the packing brickwork in the bottom of dephosphorization electrolytic bath, and pack the brickwork top and set up the filter plate, the filter plate is fixed through the spacing fender ring of the square frame column structure of lower extreme, make can filter the inside a large amount of flocculent precipitate that produces because of the electrolytic reaction of dephosphorization electrolytic bath and remain on the filter screen surface through filtering the otter board, thereby avoid the precipitate to pile up downwards and cause the dumpback of dredge pump or lead to the inside impeller of dredge pump and the collision of precipitate and cause the damage, set up the access window on the rear end inner wall of dephosphorization electrolytic bath simultaneously, can see through the access window and clear up the great granule precipitate that filter plate upper end surface retained, avoid filtering the otter board circulation and cross the discharge volume that influences the dredge pump excessively;

2. the utility model discloses fill brickwork upper end and collect the slide and be back taper groove structure, and the sedimentation concentrated pond of packing the brickwork lower extreme is cylindrical groove structure, and collect and smoothly be connected through the arc curved surface between slide and the sedimentation concentrated pond, make when filtering by filtering the otter board with the inside a large amount of flocculent precipitates that produce because of electrolytic reaction of dephosphorization electrolytic bath and remain behind the filter screen surface, debris etc. that accord with dredge pump emission requirement can collect to lower extreme center department gradually through filtering filter screen board upper filter screen and along the slide that collects of packing brickwork upper end, thereby the landing is to in the sedimentation concentrated pond of packing the brickwork lower extreme, thereby be convenient for dredge pump's abundant absorption and discharge better, avoid appearing the deposit and pile up and take place with the phenomenon of dumb.

Drawings

The accompanying drawings are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention, and together with the description, do not constitute a limitation of the invention, in which:

FIG. 1 is a schematic view of an electrolytic phosphorus removal device according to the present invention;

fig. 2 is a schematic view of the masonry filling structure proposed by the present invention;

FIG. 3 is a schematic view of the filter plate and the limit stop ring of the present invention;

in the figure: 1. a control box; 2. an equipment box body; 3. a phosphorus removal electrode group; 4. a control valve; 5. a dephosphorization electrolytic cell; 6. a water inlet pipe; 7. a raw water pool; 8. filling the masonry; 9. an inspection window; 10. a sewage pump; 11. a blow-off pipe; 12. a clear water tank; 13. a water outlet pipe; 14. collecting a slideway; 15. a filter screen plate; 16. fixing the loop; 17. a sedimentation concentration tank; 18. a support base; 19. and a limit stop ring.

Detailed Description

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

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides an electrolytic phosphorus removal device, including control box 1 and equipment box 2, control box 1 is installed on the right-hand member outer wall of equipment box 2, the inside former pond 7 that is provided with in left end of equipment box 2, the inside clean water basin 12 that is provided with of right-hand member of equipment box 2, the inside dephosphorization electrolytic bath 5 that is provided with of equipment box 2 between former pond 7 and clean water basin 12, be connected with dephosphorization electrode group 3 on the upper end inner wall of dephosphorization electrolytic bath 5, be provided with access panel 9 on the rear end inner wall of dephosphorization electrolytic bath 5, the inside brickwork 8 that is filled that is provided with of lower extreme of dephosphorization electrolytic bath 5, the upper end of filling brickwork 8 is provided with collects slide 14, it is the back taper shape groove structure to fill slide 14 that collects in the upper end of brickwork 8, it is cylindrical groove structure to fill in the sedimentation centralized pool 17 of brickwork 8 lower extreme, collect through the smooth connection of arc curved surface between slide 14 and the sedimentation centralized pool After the sewage pump 10 is filtered and retained on the surface of the filter screen, sundries meeting the discharge requirement of the sewage pump 10 and the like can be gradually collected towards the center of the lower end along the collection slide way 14 at the upper end of the filled masonry 8 through the filter screen plate 15, so that the sundries slide into the sedimentation concentration pool 17 at the lower end of the filled masonry 8, and the sewage pump 10 can be conveniently and fully sucked and discharged.

An electrolytic dephosphorization device comprises a sedimentation concentration tank 17 arranged at the lower end of a filling masonry 8, a sewage pump 10 arranged in the sedimentation concentration tank 17, a supporting base 18 connected with the lower end of the sewage pump 10, a lower end sleeve seat of the sewage pump 10 arranged in the upper end of the supporting base 18, four supporting columns connected with the outer wall of the lower end of the supporting base 18, and the sewage pump 10 fixed and supported by the four supporting columns on the outer wall of the lower end of the supporting base 18, thereby increasing the contact area between the sewage pump 10 and sediments, improving the suction capacity of the sewage pump 10, enhancing the discharge effect of sewage, a sewage discharge pipe 11 connected with the upper end of the sewage pump 10, the sewage discharge pipe 11 positioned at the center position between the opposite inner walls of a dephosphorization electrode group 3, the sewage discharge pipe 11 and the dephosphorization electrode group 3 are kept in a mutually parallel state, and the dephosphorization electrode group 3 under an external weak electric field, so that an iron electrode immersed in the sewage of the dephosphorization, generating ferrous ions, combining with phosphate ions in sewage to generate indissolvable substances such as ferric phosphate and the like under the combined action of the ferrous ions and ferric ions generated by oxidation, finally generating flocculent precipitate, pumping the flocculent precipitate by a sewage discharge pump 10 at the lower end, and then upwards discharging the flocculent precipitate out of the equipment by a sewage discharge pipe 11 to prepare required material raw materials for further chemical treatment.

An electrolytic dephosphorization device comprises a control valve 4 connected with the upper end of a blow-off pipe 11, a limit baffle ring 19 connected with the inner wall of a dephosphorization electrolytic tank 5 on the upper side of a filling brickwork 8, a filter screen plate 15 arranged on the outer wall of the upper end of the limit baffle ring 19, the filter screen plate 15 being a square structure, the limit baffle ring 19 being a square frame structure, because the limit baffle ring 19 is fixedly connected with the inner wall of the dephosphorization electrolytic tank 5, the filter screen plate 15 can be fixedly limited above the filling brickwork 8, a large amount of flocculent precipitate generated by electrolytic reaction in the dephosphorization electrolytic tank 5 can be filtered and retained on the surface of the filter screen plate 15 through the filter screen plate, thereby avoiding the precipitate from being accumulated downwards to cause a dumpback of the sewage pump 10 or cause the damage of the sewage pump 10 due to the collision of an impeller and the precipitate in the sewage pump 10, a fixed ring sleeve 16 is arranged at the center of the outer wall of the filter screen plate 15, the upper, upwards derive blow off pipe 11 through fixed ring cover 16 for filter plate 15 can suspend relatively at the upside of dredge pump 10, does not influence the blowdown ability of dredge pump 10 when protecting dredge pump 10, and dephosphorization electrode group 3 all passes through control box 1 and external power source electric connection with dredge pump 10, is connected with inlet tube 6 on the left end outer wall of raw water tank 7, is connected with outlet pipe 13 on the right-hand member outer wall of clean water tank 12.

The utility model discloses a theory of operation and use flow: after the utility model is installed, the novel electrolytic phosphorus removal device utilizes the mode of electrochemical corrosion to oxidize iron in the anode region on the phosphorus removal electrode group 3 into ferric ions which are dissolved into mixed liquid and combined with phosphate in water to produce indissolvable compounds, and because the filter screen plate 15 is fixed above the filling masonry 8 in a suspending way, a large amount of flocculent precipitates generated by electrolytic reaction in the phosphorus removal electrolytic tank 5 can be filtered and retained on the surface of the filter screen plate 15, when the filter screen plate 15 filters and retains a large amount of flocculent precipitates generated by electrolytic reaction in the phosphorus removal electrolytic tank 5 on the surface of the filter screen, sundries and the like meeting the discharge requirement of the sewage pump 10 can be collected to the center of the lower end gradually along the collection slide 14 at the upper end of the filling masonry 8 through the filter screen plate 15, thereby sliding to the precipitation concentration tank 17 at the lower end of the filling masonry 8, after being pumped by the sewage discharge pump 10 at the lower end, the sewage is discharged upwards by the sewage discharge pipe 11, so that sediment with phosphorus ions is discharged to a sludge storage tank along with sludge, and finally, the sediment is transported outwards for dehydration and disposal, after a period of time, the maintenance window 9 on the inner wall at the rear end of the dephosphorization electrolytic tank 5 can be opened at irregular intervals to clean up larger particle sediment retained on the upper end surface of the filter screen plate 15, the phenomenon that the discharge amount is influenced due to too low flow of the filter screen plate 15 is avoided, the electrolytic dephosphorization technology makes up the defects of biological dephosphorization, external medicine adding and medicine dissolving devices are saved, and the complexity of operation is reduced.

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

Claims

1. The utility model provides an electrolytic phosphorus removal device, includes control box (1) and equipment box (2), its characterized in that: the control box (1) is arranged on the outer wall of the right end of the equipment box body (2), a raw water pool (7) is arranged inside the left end of the equipment box body (2), a clean water pool (12) is arranged inside the right end of the equipment box body (2), a dephosphorization electrolytic pool (5) is arranged inside the equipment box body (2) between the raw water pool (7) and the clean water pool (12), a dephosphorization electrode group (3) is connected on the inner wall of the upper end of the dephosphorization electrolytic pool (5), an overhaul window (9) is arranged on the inner wall of the rear end of the dephosphorization electrolytic pool (5), a packing masonry (8) is arranged inside the lower end of the dephosphorization electrolytic pool (5), a collecting slide way (14) is arranged at the upper end of the packing masonry (8), a sedimentation concentration pool (17) is arranged at the lower end of the packing masonry (8), and a sewage pump (10) is arranged inside the sedimentation concentration pool (, the lower extreme of dredge pump (10) is connected with and supports base (18), the upper end of dredge pump (10) is connected with blow off pipe (11), the upper end of blow off pipe (11) is connected with control valve (4), be connected with spacing ring (19) of keeping off on filling dephosphorization electrolytic bath (5) inner wall of brickwork (8) upside, be provided with filter plate (15) on the upper end outer wall of spacing ring (19), the outer wall center department of filter plate (15) is provided with fixed ring cover (16), dephosphorization electrode group (3) all pass through control box (1) and external power source electric connection with dredge pump (10).

2. The electrolytic phosphorus removal device of claim 1, wherein: the water purifying device is characterized in that a water inlet pipe (6) is connected to the outer wall of the left end of the raw water tank (7), and a water outlet pipe (13) is connected to the outer wall of the right end of the purified water tank (12).

3. The electrolytic phosphorus removal device of claim 1, wherein: the filter screen plate (15) is of a square structure, and the limit baffle ring (19) is of a square frame-shaped structure.

4. The electrolytic phosphorus removal device of claim 1, wherein: fill slide (14) that catchments of brickwork (8) upper end and be back taper groove structure, sedimentation concentrated pond (17) of packing brickwork (8) lower extreme are cylindrical groove structure, it is connected through arc curved surface smoothness to catchment between slide (14) and the sedimentation concentrated pond (17).

5. The electrolytic phosphorus removal device of claim 1, wherein: the lower end sleeve seat of the sewage pump (10) is arranged inside the upper end of the supporting base (18), and the outer wall of the lower end of the supporting base (18) is connected with four supporting columns.

6. The electrolytic phosphorus removal device of claim 1, wherein: the upper end of the sewage discharge pipe (11) vertically penetrates through a fixed ring sleeve (16) in the center of the outer wall of the filter screen plate (15).

7. The electrolytic phosphorus removal device of claim 1, wherein: the sewage discharge pipe (11) is positioned at the central position between the inner walls opposite to the phosphorus removal electrode group (3), and the sewage discharge pipe (11) and the phosphorus removal electrode group (3) are kept in a parallel state.