CN217264978U - Novel electrocoagulation air flotation device - Google Patents

Abstract

A novel electrocoagulation air flotation device. Relates to sewage treatment equipment, in particular to a novel electrocoagulation air flotation device. The electrolytic bath is divided into an electrolytic cavity and a clear water cavity by a partition plate; a first discharge port is formed at the bottom of the electrolysis cavity; the electrolysis cavity is internally provided with: the water inlet distribution pipe is fixedly arranged in the electrolytic chamber and is close to the bottom; and is provided with a sewage inlet pipe connected with an external sewage pipeline; the polar plate assembly is detachably and fixedly arranged in the electrolytic cavity and is positioned above the water inlet distribution pipe; a first partition is arranged between the first partition and the top surface of the electrolytic cell, and sewage rises from the bottom of the electrolytic cavity and then flows through the top surface of the first partition into the clean water cavity; and a second discharge port is arranged at the bottom of the clean water cavity, and a water outlet is arranged at the position close to the top. The utility model has the characteristics of compact structure, simple and convenient high efficiency of sewage treatment, etc.

Description

Novel electrocoagulation air flotation device

Technical Field

The utility model relates to a sewage treatment device especially relates to novel electrocoagulation air supporting device.

Background

Along with the continuous improvement of people's standard of living, domestic kitchen garbage sewage volume increases gradually, and the requirement to sewage treatment is higher and higher, needs efficient sewage treatment device. The electrocoagulation air-float method is a process of utilizing highly dispersed tiny bubbles as carriers to adhere to pollutants in wastewater, making the buoyancy of the tiny bubbles larger than gravity and floating resistance, thereby making the pollutants float to the water surface to form foam, then scraping the foam from the water surface by a slag scraping device, and realizing solid-liquid or liquid-liquid separation, and belongs to the previous procedure of sewage treatment. However, the current electric coagulation and floatation device has low sewage treatment efficiency, increases the burden of the subsequent procedure and is not suitable for the modern sewage treatment requirement.

SUMMERY OF THE UTILITY MODEL

The utility model provides a to above problem, provide a compact structure, improve the novel electrocoagulation air supporting device of sewage treatment efficiency and stability.

The technical scheme of the utility model is that: the novel electrocoagulation air flotation device comprises an electrolytic cell with an opening at the top, wherein the electrolytic cell is divided into an electrolytic cavity and a clear water cavity by a partition board; a first discharge port is formed at the bottom of the electrolysis cavity;

the electrolytic cavity is internally provided with:

the water inlet distribution pipe is fixedly arranged in the electrolytic chamber and is close to the bottom; and a sewage inlet pipe connected with an external sewage pipeline is arranged;

the polar plate assembly is detachably and fixedly arranged in the electrolytic cavity and is positioned above the water inlet distribution pipe;

a first partition is arranged between the first partition and the top surface of the electrolytic cell, and sewage rises from the bottom of the electrolytic cavity and then flows through the top surface of the first partition into the clean water cavity;

and a second discharge outlet is arranged at the bottom of the clean water cavity, and a water outlet is arranged at the position close to the top.

Furthermore, an aeration cloth pipe positioned above the water inlet cloth pipe is also arranged in the electrolysis cavity.

Furthermore, the bottom of the water inlet distribution pipe is provided with a plurality of sewage outlet branch pipes.

Further, a second partition plate is arranged on the side of the first partition plate;

the top surface of the second partition board is flush with the top surface of the electrolytic cell, and a second interval is arranged between the bottom surface of the second partition board and the bottom of the electrolytic cell.

Furthermore, a slag discharging cavity is arranged at the side part of the electrolysis cavity;

a flow passage is arranged between the slag discharging cavity and the electrolysis cavity.

Further, a slag discharge port is arranged at the bottom of the slag discharge cavity.

Furthermore, a slag scraper which moves to and fro in the direction of the slag discharging cavity is arranged at the top of the electrolysis cavity.

Further, the slag scraper comprises a linear driving mechanism and a scraper plate;

the scraping plate is matched with the electrolytic cavity, is arranged at the top of the electrolytic cavity in a sliding manner, and is driven to slide above the electrolytic tank in a reciprocating manner through the linear driving mechanism.

Further, the linear driving mechanism comprises an electric push rod.

Furthermore, the electrode plate assembly comprises a plurality of electrode plates which are arranged in parallel, detachably and fixedly at intervals.

The utility model comprises an electrolytic tank with an opening at the top, and the electrolytic tank is divided into an electrolytic cavity and a clear water cavity by a clapboard; the electrolytic cavity is internally provided with a water inlet distribution pipe and a polar plate component. Sewage enters an electrolytic chamber of the electrolytic cell through a water inlet distribution pipe, and is treated by the plate component to form condensed sediment and bubble scum, the scum is pushed to a scum outlet through a top scum scraper and is discharged, the treated sewage is flowed to a clear water area through a first partition plate and a second partition plate and is stood, and the wastewater is discharged to the next procedure through a water outlet after the standing. The sediments in the electrolysis area and the clear water area are discharged through a discharge port at the lower part. The utility model has the characteristics of compact structure, simple and convenient high efficiency of sewage treatment, etc.

Drawings

Figure 1 is a schematic perspective view of the present invention,

figure 2 is a front view of the present invention,

figure 3 is a side structure schematic diagram of the utility model,

FIG. 4 is a schematic perspective view of an electrolytic cell,

FIG. 5 is a schematic view of the internal structure of the electrolytic cell,

FIG. 6 is a schematic view of the side structure of the electrolytic cell,

FIG. 7 is a schematic view of the electrolytic cell in a top view,

figure 8 is a schematic perspective view of the water inlet pipe,

FIG. 9 is a schematic view of the structure of aeration pipe distribution;

in the figure, 100 is an electrolytic cell, 101 is a first separator, 102 is a second separator,

200 is an electrolysis chamber, 201 is a first discharge port,

210 is a water inlet distribution pipe, 211 is a sewage inlet pipe, 212 is a sewage outlet branch pipe,

220 is a pole plate assembly that is,

230 is an aeration pipe distribution pipe, and the aeration pipe distribution pipe is arranged on the bottom of the water tank,

240 is a slag discharge chamber, and the slag discharge chamber,

300 is a clean water cavity, 301 is a second discharge port, 302 is a water outlet,

reference numeral 400 denotes a slag scraper, 410 denotes a linear drive mechanism, and 420 denotes a scraper.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "left", "right", "vertical", "horizontal", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected" and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The utility model discloses as shown in fig. 1-9, a novel electrocoagulation air-flotation device, which comprises an electrolytic cell 100 with an opening on the top, wherein the electrolytic cell 100 is divided into an electrolytic cavity 200 and a clear water cavity 300 by a first partition board 101; the bottom of the electrolysis cavity 200 is provided with a first discharge port 201;

the inside of the electrolysis chamber 200 is provided with:

the water inlet distribution pipe 210 is fixedly arranged in the electrolysis cavity 200 and is close to the bottom; and is provided with a sewage inlet pipe 211 connected with an external sewage pipeline; the sewage inlet pipe 211 is fixedly arranged on the electrolytic cell 100 in a sealing way, one end of the sewage inlet pipe is positioned at the outer side of the electrolytic cell 100, and the other end of the sewage inlet pipe is positioned in the electrolytic cavity 200;

the polar plate assembly 220 is detachably and fixedly arranged in the electrolytic chamber 200 and is positioned above the water inlet distribution pipe 210;

a first gap is arranged between the first partition plate 101 and the top surface of the electrolytic cell 100, and sewage rises from the bottom of the electrolytic chamber 200 and then flows through the top surface of the first partition plate 101 to enter the clean water chamber 300;

the bottom of the clean water cavity 300 is provided with a second discharge outlet 301 (used for cleaning sediments after static sedimentation), and a water outlet 302 is arranged at a position close to the top.

Further preferably, an aeration cloth pipe 230 is arranged in the electrolysis chamber 200 and above the water inlet cloth pipe 210. The aeration cloth pipe 230 is matched with the electrolytic cavity 200 and has a rectangular structure.

Further preferably, the bottom of the water inlet distribution pipe 210 is provided with a plurality of sewage outlet branch pipes 212. The sewage discharge branch pipes 212 are four in the scheme and are respectively and uniformly distributed below the sewage inlet pipe 211 to spray sewage in four different directions, so that the balance of sewage inlet is improved.

Preferably, a second partition plate 102 is arranged on the side of the first partition plate 101;

the top surface of the second separator 102 is flush with the top surface of the electrolytic cell 100, and a second interval is arranged between the bottom surface of the second separator and the bottom of the electrolytic cell 100. The sewage flowing through the top surface of the first partition plate 101 flows downwards and enters the clean water cavity 300 from the second partition plate.

Further optimized, the side part of the electrolysis chamber 200 is provided with a slag discharge chamber 240;

a flow passage is arranged between the slag discharging cavity 240 and the electrolytic cavity 200, namely the top surface of the partition board III between the slag discharging cavity 240 and the electrolytic cavity is lower than the top surface of the electrolytic tank 100.

Further preferably, a slag discharge port is arranged at the bottom of the slag discharge cavity 240.

Preferably, a slag scraper 400 which reciprocates towards the slag discharge cavity 240 is arranged at the top of the electrolysis cavity 200.

Further preferably, the slag scraper 400 comprises a linear driving mechanism 410 and a scraper 420;

the scraping plate 420 is matched with the electrolytic chamber 200, is arranged at the top of the electrolytic chamber 200 in a sliding way through a pair of sliding rods, and is driven to slide in a reciprocating way above the electrolytic cell 100 through the linear driving mechanism 410, so that the particles floating in the electrolytic cell 100 are scraped into the slag discharge chamber 240.

Preferably, the linear driving mechanism 410 includes an electric push rod. In the scheme, the tail part of the electric push rod is provided with an L-shaped angle steel hinged with the electric push rod and used for being fixedly connected with the outer side wall.

More specifically, the electrode plate assembly 220 includes a plurality of electrode plates that are detachably and fixedly disposed at intervals in parallel.

Iron ions electrolyzed by the electrode plates generate an active flocculant which is condensed with colloidal suspended matters (fine oil stains and mechanical impurities) in the sewage into 'large blocks', so that the precipitation is accelerated, and simultaneously, the current is utilized to generate redox reaction between the electrode plates, so that COD is oxidatively decomposed, and the COD in the sewage is reduced.

The water inlet distribution pipe 210 of the electrolytic cell 100 adopts cross-shaped equal-resistance water inlet (four outlets), water is not fed into a single pipeline any more, the water inlet is more uniform, the newly-added aeration distribution pipe 230 device can uniformly disperse impurities in sewage, the effective rate of electrolytic treatment is improved, and meanwhile, the aeration flow plays a certain role in flushing and cleaning the pole plate assembly 220.

The working principle is as follows: the sewage enters the electrolytic cavity 200 of the electrolytic cell 100 through the water inlet distribution pipe 210, and is treated by the pole plate assembly 220 to form condensed sediment and bubble scum, the scum is pushed to a scum outlet through the top scum scraper 400 to be discharged, the treated sewage flows to a clear water area through the first partition plate 101 and the second partition plate 102 to be kept stand, and the treated sewage is discharged to the next process through the water outlet 302 after being kept stand. The sediments in the electrolysis zone and the clear water zone are discharged through a discharge port at the lower part.

The disclosure of the present application also includes the following points:

(1) the drawings of the embodiments disclosed herein only relate to the structures related to the embodiments disclosed herein, and other structures can refer to general designs;

(2) in case of conflict, the embodiments and features of the embodiments disclosed in this application can be combined with each other to arrive at new embodiments;

the above embodiments are only embodiments disclosed in the present disclosure, but the scope of the disclosure is not limited thereto, and the scope of the disclosure should be determined by the scope of the claims.

Claims (10)

1. The novel electrocoagulation-floatation device comprises an electrolytic cell with an opening at the top, and is characterized in that the electrolytic cell is divided into an electrolytic cavity and a clear water cavity by a partition board; a first discharge port is formed at the bottom of the electrolysis cavity;

the electrolytic cavity is internally provided with:

the water inlet distribution pipe is fixedly arranged in the electrolytic chamber and is close to the bottom; and is provided with a sewage inlet pipe connected with an external sewage pipeline;

the polar plate assembly is detachably and fixedly arranged in the electrolytic cavity and is positioned above the water inlet distribution pipe;

a first partition is arranged between the first partition and the top surface of the electrolytic cell, and sewage rises from the bottom of the electrolytic cavity and then flows through the top surface of the first partition into the clean water cavity;

and a second discharge port is arranged at the bottom of the clean water cavity, and a water outlet is arranged at the position close to the top.

2. A novel electrocoagulation air-float device according to claim 1, characterized in that an aeration pipe arrangement is arranged above the water inlet pipe arrangement in the electrolytic chamber.

3. A novel electrocoagulation air-flotation device according to claim 1, wherein the bottom of the water inlet distribution pipe is provided with a plurality of sewage outlet branch pipes.

4. The novel electrocoagulation air flotation device according to claim 1, wherein a second partition plate is arranged on the side of the first partition plate;

the top surface of the second partition board is flush with the top surface of the electrolytic cell, and a second interval is arranged between the bottom surface of the second partition board and the bottom of the electrolytic cell.

5. A novel electrocoagulation air-flotation device according to claim 1, wherein a deslagging chamber is provided at the side of the electrolysis chamber;

a flow passage is arranged between the slag discharging cavity and the electrolysis cavity.

6. A novel electrocoagulation air-float device according to claim 5, characterized in that the bottom of the deslagging chamber is provided with a deslagging port.

7. A novel electrocoagulation air flotation device according to claim 5, wherein the top of the electrolysis chamber is provided with a slag scraper which moves back and forth towards the slag discharge chamber.

8. A novel electrocoagulation air flotation device according to claim 7, wherein the residue scraper comprises a linear drive mechanism and a scraper;

the scraping plate is matched with the electrolytic cavity, is arranged at the top of the electrolytic cavity in a sliding manner, and is driven to slide above the electrolytic tank in a reciprocating manner through the linear driving mechanism.

9. A novel electrocoagulation air flotation device according to claim 8, wherein the linear drive mechanism comprises an electric push rod.

10. A novel electrocoagulation air-flotation device according to claim 1, wherein the electrode plate assembly comprises a plurality of spaced parallel electrode plates detachably and fixedly arranged.

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