CN117185428A - Novel electrocoagulation air floatation device - Google Patents

Abstract

A novel electrocoagulation air floatation device. Relates to sewage treatment equipment, in particular to a novel electrocoagulation air floatation device. The electrolytic tank is divided into an electrolytic cavity and a clean water cavity by a first partition plate; the bottom of the electrolysis cavity is provided with a first discharge outlet; the electrolytic cavity is internally provided with: the water inlet distribution pipe is fixedly arranged in the electrolysis cavity 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 electrolysis cavity and is positioned above the water inlet distribution pipe; a first interval is arranged between the first partition plate and the top surface of the electrolytic tank, and sewage flows through the top surface of the first partition plate to enter the clean water cavity after rising from the bottom of the electrolytic cavity; the bottom of the clear water cavity is provided with a second discharge outlet, and a water outlet is arranged near the top. The invention has the characteristics of compact structure, simple and efficient sewage treatment and the like.

Description

Novel electrocoagulation air floatation device

Technical Field

The invention relates to sewage treatment equipment, in particular to a novel electrocoagulation air floatation device.

Background

Along with the continuous improvement of the living standard of people, the sewage quantity of the living kitchen wastes is gradually increased, the requirements on sewage treatment are higher and higher, and efficient sewage treatment equipment is required. The electrocoagulation air floatation method is to adhere highly dispersed tiny bubbles serving as carriers to pollutants in wastewater, so that the buoyancy of the highly dispersed tiny bubbles is larger than gravity and floating resistance, the pollutants float to the water surface to form foam, then the foam is scraped from the water surface by a slag scraping device, and the solid-liquid or liquid-liquid separation process is realized, and belongs to the previous process of sewage treatment. However, the existing electric floatation device has low sewage treatment efficiency, increases the burden of the subsequent working procedures, and is not suitable for the modern sewage treatment requirements.

Disclosure of Invention

Aiming at the problems, the invention provides a novel electrocoagulation air floatation device which has a compact structure and improves the sewage treatment efficiency and stability.

The technical scheme of the invention is as follows: the novel electrocoagulation air floatation device comprises an electrolytic tank with an opening at the top, wherein the electrolytic tank is divided into an electrolytic cavity and a clear water cavity by a first partition plate; the bottom of the electrolysis cavity is provided with a first discharge outlet;

the electrolytic cavity is internally provided with:

the water inlet distribution pipe is fixedly arranged in the electrolysis cavity 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 electrolysis cavity and is positioned above the water inlet distribution pipe;

a first interval is arranged between the first partition plate and the top surface of the electrolytic tank, and sewage flows through the top surface of the first partition plate to enter the clean water cavity after rising from the bottom of the electrolytic cavity;

the bottom of the clear water cavity is provided with a second discharge outlet, and a water outlet is arranged near the top.

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

Further, a plurality of dirt outlet branch pipes are arranged at the bottom of the water inlet cloth pipe.

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

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

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

Further, a slag scraping machine which moves back and forth towards the slag discharging cavity is arranged at the top of the electrolysis cavity.

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

the scraping plate is matched with the electrolysis cavity, is arranged at the top of the electrolysis cavity in a sliding mode, and is driven to slide back and forth above the electrolysis tank through the linear driving mechanism.

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

Further, the polar plate assembly comprises a plurality of polar plates which are arranged in parallel at intervals and can be detachably and fixedly arranged.

The invention comprises an electrolytic tank with an opening at the top, wherein the electrolytic tank is divided into an electrolytic cavity and a clean water cavity by a first partition board; the electrolytic cavity is internally provided with a water inlet distribution pipe and a polar plate component. Sewage enters an electrolysis cavity of the electrolytic tank through a water inlet distribution pipe, and is treated by the polar plate assembly to form coagulating sediments and bubble scum, the scum is pushed to a slag discharging port through a top slag scraping machine to be discharged, the treated sewage flows to a clear water area through a first partition plate and a second partition plate to be kept stand, and the treated sewage is discharged to the next working procedure through a water outlet after being kept stand. The sediment of the electrolysis area and the clean water area is discharged through a discharge outlet at the lower part. The invention has the characteristics of compact structure, simple and efficient sewage treatment and the like.

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 schematic side view of the present invention,

figure 4 is a schematic perspective view of an electrolytic cell,

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

figure 6 is a schematic side view of an electrolytic cell,

figure 7 is a schematic top view of the electrolytic cell,

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

fig. 9 is a schematic view of an aeration cloth tube structure;

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 discharge outlet one,

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

220 is a plate assembly and,

230 is an aeration cloth tube, and the air is supplied to the aeration cloth tube,

240 is a slag discharging cavity, and the slag discharging cavity is provided with a slag discharging cavity,

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

400 is a slag scraper, 410 is a linear drive mechanism, and 420 is a scraper.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the directions or positional relationships indicated by the terms "upper", "lower", "left", "right", "vertical", "horizontal", etc. are based on the directions or positional relationships shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the devices or elements 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, unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.

The invention is shown in figures 1-9, a novel electrocoagulation air floatation device, comprising an electrolytic tank 100 with an opening at the top, wherein the electrolytic tank 100 is divided into an electrolytic cavity 200 and a clear water cavity 300 by a first partition board 101; the bottom of the electrolytic cavity 200 is provided with a first discharge outlet 201;

the electrolytic chamber 200 is internally provided with:

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

a first interval is arranged between the first partition board 101 and the top surface of the electrolytic tank 100, and sewage flows through the top surface of the first partition board 101 into the clean water cavity 300 after rising from the bottom of the electrolytic cavity 200;

the bottom of the clear water cavity 300 is provided with a second discharge outlet 301 (used for cleaning the sediment after static sediment), and a water outlet 302 is arranged near the top.

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

Further preferably, a plurality of effluent branch pipes 212 are arranged at the bottom of the water inlet distribution pipe 210. In the scheme, the four sewage outlet branch pipes 212 are uniformly distributed below the sewage inlet pipe 211, so that sewage is sprayed out from four different directions, and the sewage inlet uniformity is improved.

Further optimizing, a second partition plate 102 is arranged on the side part of the first partition plate 101;

the top surface of the second partition board 102 is flush with the top surface of the electrolytic tank 100, and a second interval is arranged between the bottom surface and the bottom of the electrolytic tank 100. The sewage flowing from the top surface of the first partition plate 101 flows downward and enters the clean water chamber 300 from the second space.

Further preferably, a slag discharging cavity 240 is arranged at the side part of the electrolysis cavity 200;

a runner is arranged between the deslagging cavity 240 and the electrolysis cavity 200, namely the top surface of a third partition plate between the deslagging cavity 240 and the electrolysis cavity is lower than the top surface of the electrolysis tank 100.

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

Further preferably, a slag scraper 400 which moves back and forth towards the slag discharging 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 adapted to the electrolytic chamber 200, is slidably disposed on the top of the electrolytic chamber 200 by a pair of sliding rods, and is driven to reciprocally slide above the electrolytic tank 100 by the linear driving mechanism 410, so as to scrape the floating particles in the electrolytic tank 100 into the slag discharging chamber 240.

Further preferably, the linear drive mechanism 410 comprises an electric push rod. The tail 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 in parallel at intervals.

The iron ions electrolyzed by the electrode plates generate an active flocculant, and are condensed into a large block together with colloid suspended matters (fine oil stains and mechanical impurities) in the sewage, so that the precipitation is accelerated, meanwhile, oxidation-reduction reaction is generated between the electrode plates by utilizing current, COD is decomposed by oxidation, and the sewage COD is reduced.

The water inlet distribution pipe 210 of the electrolytic tank 100 adopts cross equal resistance water inlet (four outlets), water is not fed through a single pipeline, water inlet is more uniform, the aeration distribution pipe 230 device is additionally arranged, impurities in sewage can be uniformly dispersed, the effective rate of electrolytic treatment is improved, and meanwhile, aeration flow has a certain scouring and cleaning effect on the polar plate assembly 220.

The working principle is as follows: sewage enters the electrolysis chamber 200 of the electrolysis tank 100 through the water inlet distribution pipe 210, and is treated by the polar plate assembly 220 to form condensed sediment and bubble scum, the scum is pushed to a slag discharge port through the top slag 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 sediment of the electrolysis area and the clean water area is discharged through a discharge outlet at the lower part.

For the purposes of this disclosure, the following points are also described:

(1) The drawings of the embodiments disclosed in the present application relate only to the structures related to the embodiments disclosed in the present application, and other structures can refer to common designs;

(2) The embodiments disclosed herein and features of the embodiments may be combined with each other to arrive at new embodiments without conflict;

the above is only a specific embodiment disclosed in the present application, but the protection scope of the present disclosure is not limited thereto, and the protection scope of the present application shall be subject to the protection scope of the claims.

Claims (10)

1. The novel electrocoagulation air floatation device comprises an electrolytic tank with an opening at the top, and is characterized in that the electrolytic tank is divided into an electrolytic cavity and a clear water cavity by a first partition plate; the bottom of the electrolysis cavity is provided with a first discharge outlet;

the electrolytic cavity is internally provided with:

the water inlet distribution pipe is fixedly arranged in the electrolysis cavity 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 electrolysis cavity and is positioned above the water inlet distribution pipe;

a first interval is arranged between the first partition plate and the top surface of the electrolytic tank, and sewage flows through the top surface of the first partition plate to enter the clean water cavity after rising from the bottom of the electrolytic cavity;

the bottom of the clear water cavity is provided with a second discharge outlet, and a water outlet is arranged near the top.

2. The novel electrocoagulation air floatation device of claim 1, wherein the electrolytic chamber is further provided with an aeration pipe above the water inlet pipe.

3. The novel electrocoagulation air floatation device of claim 1, wherein a plurality of effluent branch pipes are arranged at the bottom of the water inlet distribution pipe.

4. The novel electrocoagulation air floatation device of claim 1, wherein a second partition board is arranged on the side part of the first partition board;

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

5. The novel electrocoagulation air floatation device of claim 1, wherein 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.

6. The novel electrocoagulation air floatation device of claim 5, wherein the bottom of the deslagging cavity is provided with a deslagging port.

7. The novel electrocoagulation air floatation device of claim 5, wherein the top of the electrolysis chamber is provided with a slag scraper which reciprocates in the direction of the slag discharging chamber.

8. The novel electrocoagulation air floatation device of claim 7, wherein said slag scraper comprises a linear drive mechanism and a scraper;

the scraping plate is matched with the electrolysis cavity, is arranged at the top of the electrolysis cavity in a sliding mode, and is driven to slide back and forth above the electrolysis tank through the linear driving mechanism.

9. The novel electrocoagulation air floatation device of claim 8, wherein the linear drive mechanism comprises an electric push rod.

10. The novel electrocoagulation air floatation device of claim 1, wherein the pole plate assembly comprises a plurality of pole plates which are detachably and fixedly arranged at intervals in parallel.