CN216890393U

CN216890393U - Low-energy-consumption air floatation equipment

Info

Publication number: CN216890393U
Application number: CN202120809049.7U
Authority: CN
Inventors: 王军; 赵辉; 王永涛; 费兆辉; 梁饴饴; 邵丹丹
Original assignee: Shandong Flio Environmental Engineering Co ltd
Current assignee: Shandong Flio Environmental Engineering Co ltd
Priority date: 2021-04-20
Filing date: 2021-04-20
Publication date: 2022-07-05
Anticipated expiration: 2031-04-20

Abstract

The utility model discloses low-energy-consumption air floatation equipment, which consists of a first filtering tank and a second filtering tank in sequence, wherein one end of the first filtering tank is provided with a sewage inlet, the other end of the first filtering tank is provided with a first deslagging port corresponding to the sewage inlet, and a partition plate is arranged in the first filtering tank to enable the first filtering tank to form a U-shaped channel; the upper end of the partition plate is connected with a first gas transmission device, and the right end of the partition plate is provided with an aeration outlet; the second filter tank and the first filter tank are provided with connecting valves, the bottom end of the second filter tank is provided with an aeration pipe, the upper end of the second filter tank is provided with a sludge tank, and the top end of the second filter tank is provided with a slag scraping device; the aeration pipe is provided with two column feet which are fixedly connected with the second filtering tank, and a second gas transmission device is externally connected to any one end of the column foot; the slag scraping device corresponds to the scum baffle and consists of a transmission device and a scraper. This low energy consumption air supporting equipment for air supporting equipment is more abundant to sewage treatment, can carry out different processings to the sewage of different concentrations simultaneously.

Description

Low-energy-consumption air floatation equipment

Technical Field

The utility model relates to the field of sewage treatment devices, in particular to low-energy-consumption air floatation equipment.

Background

At present, a large amount of waste water is generated in the industrial production process, and if the waste water is directly discharged into rivers, the waste water causes great pollution and brings unnecessary loss. Therefore, it is necessary to treat the wastewater before discharging, and in wastewater treatment, an air flotation machine is often used, which uses air (or other gas) microbubbles that adhere to solid particles (suspended matter) present in the liquid to be treated to cause the solid particles to rise to the liquid surface, whereby contaminated solid matter is separated from water to purify the water, and the microbubbles wrap the solid particles to float, facilitating collection of the solid particles. The existing air floatation equipment is only provided with one filter tank, so that the sewage with higher concentration is not sufficiently and thoroughly treated, and the sewage with lower concentration is treated to cause energy waste of the existing air floatation equipment

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide low-energy-consumption air floatation equipment, which aims to solve the problems that the existing stone air floatation equipment in the market proposed by the background technology cannot fully and thoroughly treat the sewage with higher concentration, and the treated sewage with lower concentration causes energy waste on the existing air floatation equipment.

In order to achieve the purpose, the utility model provides the following technical scheme: a low-energy-consumption air floatation device is composed of a first filtering tank and a second filtering tank in sequence; one end of the first filtering tank is provided with a sewage inlet, the other end of the first filtering tank is provided with a first deslagging port corresponding to the sewage inlet, and a partition plate is arranged in the first filtering tank to enable the first filtering tank to form a U-shaped channel; the upper end of the partition plate is connected with a first gas transmission device, and the right end of the partition plate is provided with an aeration outlet; the first slag removing port is externally connected with a slag discharging pipe; the second filter tank and the first filter tank are provided with connecting valves, the bottom end of the second filter tank is provided with an aeration pipe, the upper end of the second filter tank is provided with a sludge tank, the top end of the second filter tank is provided with a slag scraping device, and one side of the second filter tank is provided with a water outlet; the aeration pipe is provided with two column feet which are fixedly connected with the second filtering tank, and a second gas transmission device is externally connected with the column foot at any end; the sludge tank is provided with a sludge inlet and a second deslagging port; the slag scraping device corresponds to the sludge tank and consists of a transmission device and a scraper; the length of the scraper is consistent with that of the sludge inlet.

Preferably, the sewage inlet is provided with a flow damper; the flow damper consists of a floating ball and a floating ball groove; the floating ball groove is of a fence structure and is composed of a chassis and fence columns and fixed beside the sewage inlet; the ball diameter of the floating ball is larger than the outer diameter of the sewage inlet, and the floating ball floats up and down in the floating ball groove. And a flow damper is added to slow down the flow velocity of the sewage at a high liquid level and increase the reaction filtering time of the first filtering tank.

Preferably, the bottom parts of the first filtering tank and the second filtering tank are both provided with sludge discharge ports. Solid sediment in the sewage can be discharged through the sludge discharge port, the transition deposition of the solid sediment at the bottom of the tank is stopped, and the service life of the air floatation equipment is shortened

Preferably, the aeration outlets are aeration outlets uniformly distributed at the right end of the partition plate. The aeration opening is the simplest aeration outlet.

Preferably, the aeration outlets are aeration branch pipes which are uniformly distributed at the right end of the partition plate and extend out; the aeration branch pipe is provided with an aeration opening. The aeration branch pipes are used, so that the air floatation reaction time is prolonged, and the filtering efficiency is improved.

Preferably, the aeration openings of the aeration branch pipes are downward, and the aeration openings of adjacent aeration branch pipes are distributed at intervals. The aeration ports are distributed at intervals to improve the efficiency of the air floatation reaction.

Preferably, the scrapers are provided with a plurality of groups which are distributed on the surface of the transmission device. And the slag scraping efficiency of the second filtering tank is improved.

Preferably, the first deslagging port is obliquely downward opened. The inclined downward opening reduces the sewage backflow and improves the slag discharging efficiency.

Compared with the prior art, the utility model has the beneficial effects that:

(1) this low energy consumption air supporting equipment, the prefiltration through first filtering ponds and the further filtration of second reaction tank improve the throughput of whole air supporting equipment to the higher sewage of concentration for to the more thorough of the sewage treatment of higher concentration, reduced the remaining of impurity.

(2) When the connecting valve is not opened, only the first filtering tank is used for treating the sewage with lower concentration, and when the connecting valve is directly opened, the second filtering tank is used for treating the sewage with higher concentration, so that different treatment methods for the sewage with different concentrations are realized.

Drawings

FIG. 1 is a schematic structural view of an aeration port type air floatation device of the utility model;

FIG. 2 is a schematic structural view of an aeration branch pipe type air floatation device of the utility model;

FIG. 3 is a partial enlarged right side view of a partition plate of the aeration port type air floatation device of the utility model;

FIG. 4 is a schematic diagram of the distribution structure of the aeration branch pipes of the aeration branch pipe type air-float equipment of the utility model.

In the figure: 1. a sewage inlet; 2. a floating ball; 3. a floating ball groove; 4. a partition plate; 5. a first gas transmission device; 6. a first deslagging port; 7. a slag pipe; 8. a connection valve; 9. an aeration pipe; 10. a water outlet; 11. a second deslagging port; 12. a sludge tank; 13. a sludge inlet; 14. a scraper; 15. a transmission device; 16. and a second gas transmission device.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

Example 1 (see fig. 1 and 3);

a low-energy-consumption air floatation device is composed of a first filtering tank and a second filtering tank in sequence; one end of the first filtering tank is provided with a sewage inlet 1, the other end of the first filtering tank is provided with a first deslagging port 6 corresponding to the sewage inlet 1, and a partition plate 4 is arranged in the first filtering tank to enable the first filtering tank to form a U-shaped channel; the upper end of the partition plate 4 is connected with a first gas transmission device 5, and the right end of the partition plate is provided with an aeration outlet; the first deslagging port 6 is externally connected with a deslagging pipe 7; the second filter tank and the first filter tank are provided with a connecting valve 8, the bottom end of the second filter tank is provided with an aeration pipe 9, the upper end of the second filter tank is provided with a sludge groove 12, the top end of the second filter tank is provided with a slag scraping device, and one side of the second filter tank is provided with a water outlet 10; the aeration pipe 9 is provided with two column feet which are fixedly connected with the second filtering tank, and a second gas transmission device 16 is externally connected with the column foot at any one end; the sludge tank 12 is provided with a sludge inlet 13 and a second deslagging port 11; the slag scraping device corresponds to the sludge tank 12 and consists of a transmission device 15 and a scraper 14; the length of the scraper 15 is consistent with that of the sludge inlet.

Further, a flow damper is arranged at the sewage inlet; the flow damper consists of a floating ball 2 and a floating ball groove 3; the floating ball groove 3 is of a fence structure and is composed of a chassis and fence columns and fixed beside a sewage inlet; the ball diameter of the floating ball 2 is larger than the outer diameter of the sewage inlet, and the floating ball 2 floats up and down in the floating ball groove 3.

Furthermore, the aeration outlets are uniformly distributed at the right end of the partition plate. The aeration opening is the simplest aeration outlet.

Furthermore, the scrapers 14 are provided with a plurality of groups distributed on the surface of the transmission device 15.

Further, the first deslagging port 6 is obliquely downward opened.

The working principle is as follows: when sewage with higher concentration is treated, the connecting valve 8 is closed, the sewage is continuously injected into the first filtering tank, the first gas transmission device 5 starts to work, the air floatation reaction starts to be carried out in the first filtering tank, the liquid level continuously rises, when the liquid level rises to be close to the sewage inlet 1, the floating ball 2 rises to carry out slow flow treatment on the inflow sewage of the sewage inlet 1, and the generated floating slag is discharged at the first deslagging port 6; after reacting for a period of time, opening the connecting valve 8, and allowing the sewage subjected to primary treatment to flow into a second filtering tank through the connecting valve 8 for further treatment; when sewage with lower concentration is treated, only the first filtering tank is used for treating the sewage without opening the connecting valve; when the sewage with higher concentration is treated, the connecting valve is directly opened, the sewage flows into the bottom of the first filtering tank from the sewage inlet 1, directly flows into the second filtering tank through the connecting valve 8, and the sewage with higher concentration is treated by the second filtering tank.

Example 2 (see fig. 2 and 4);

on the basis of the embodiment 1, the aeration openings on the partition plate are replaced by aeration branch pipes which are uniformly distributed at the right end of the partition plate and extend out, and the aeration branch pipes are provided with the aeration openings.

Furthermore, the openings of the aeration branch pipes are downward, and the aeration openings of the adjacent aeration branch pipes are distributed at intervals.

The working principle further improves the sewage treatment capacity of the first filtering tank, and the first filtering tank can be matched with the second filtering tank for filtration or can be used independently for complete air floatation treatment on sewage.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the utility model can be made, and equivalents and modifications of some features of the utility model can be made without departing from the spirit and scope of the utility model.

Claims

1. A low-energy-consumption air floatation device is composed of a first filtering tank and a second filtering tank in sequence; the device is characterized in that one end of the first filtering tank is provided with a sewage inlet (1), the other end of the first filtering tank is provided with a first deslagging port (6) corresponding to the sewage inlet (1), and a partition plate (4) is arranged in the first filtering tank to enable the first filtering tank to form a U-shaped channel; the upper end of the partition plate (4) is connected with a first gas transmission device (5), and the right end of the partition plate is provided with an aeration outlet; the first deslagging port (6) is externally connected with a deslagging pipe (7); the second filtering tank and the first filtering tank are provided with a connecting valve (8), the bottom end of the second filtering tank is provided with an aeration pipe (9), the upper end of the second filtering tank is provided with a sludge groove (12), the top end of the second filtering tank is provided with a slag scraping device, and one side of the second filtering tank is provided with a water outlet (10); the aeration pipe (9) is provided with two column feet which are fixedly connected with the second filtering tank, and a second gas transmission device (16) is externally connected with the column foot at any one end; the sludge tank (12) is provided with a sludge inlet (13) and a second deslagging port (11); the slag scraping device corresponds to the sludge tank (12) and consists of a transmission device (15) and a scraper (14); the length of the scraper (14) is consistent with that of the sludge inlet (13).

2. A low energy consumption air flotation device according to claim 1, characterized in that the sewage inlet (1) is provided with a flow damper; the flow damper consists of a floating ball (2) and a floating ball groove (3); the floating ball groove (3) is of a fence structure and is composed of a chassis and fence columns and fixed beside the sewage inlet (1); the ball diameter of the floating ball (2) is larger than the outer diameter of the sewage inlet (1), and the floating ball (2) floats up and down in the floating ball groove (3).

3. The low-energy-consumption air flotation device according to claim 1, wherein a sludge discharge port is formed at the bottom of each of the first filtering tank and the second filtering tank.

4. Low energy consumption air flotation equipment according to claim 1, characterized in that the aeration outlets are evenly distributed at the right end of the partition plate (4).

5. A low energy consumption air flotation device according to claim 1, wherein the aeration outlets are aeration branch pipes which are uniformly distributed at the right end of the partition plate (4) and extend out; the aeration branch pipe is provided with an aeration opening.

6. The low energy consumption air floatation device according to claim 5, wherein the aeration openings of the aeration branch pipes are opened downwards, and the aeration openings of the adjacent aeration branch pipes are distributed at intervals.

7. A low energy consumption flotation device according to claim 1, wherein the scrapers (14) are provided in groups distributed over the surface of the transmission means (15).

8. A low energy consumption air flotation device according to claim 1, characterized in that the first deslagging hatch (6) is an obliquely lower opening.