CN214031807U

CN214031807U - Air floatation device

Info

Publication number: CN214031807U
Application number: CN202023020873.9U
Authority: CN
Inventors: 陈亚平; 肖杰; 韦娅俪; 罗思强; 姜延雄; 周文波; 邹俊良
Original assignee: SICHUAN ACADEMY OF ENVIRONMENTAL SCIENCES
Current assignee: SICHUAN ACADEMY OF ENVIRONMENTAL SCIENCES
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-08-24
Anticipated expiration: 2030-12-15

Abstract

The utility model discloses an air flotation device, which belongs to the technical field of sewage treatment and comprises an air flotation device body, wherein the bottom of the air flotation device body is provided with a water outlet, one side of the air flotation device body is provided with a water inlet, the upper part of the air flotation device body is provided with a slag scraping machine, the slag scraping machine comprises a transmission gear and a transmission chain, the transmission chain is provided with a first slag scraping plate and a second slag scraping plate, the first slag scraping plate and the second slag scraping plate are connected with a filter screen through a spring connecting shaft, one side of the upper part of the air flotation device body is provided with an inclined plate, a scum collecting box is arranged below the inclined plate, the inner part of the air flotation device body is provided with an aeration pipe, the aeration pipe is laid at the bottom of the air flotation device body in a thread shape, the inner part of the aeration pipe is an inner pipe, the outer wall of the inner pipe is provided with a first air hole, the outer part of the inner pipe is wrapped with a cutting bubble net, the second air hole is arranged on the cutting bubble net, the inner pipe is connected with an inflation pump through an air adjusting valve, can effectively solve the problems of poor air floatation treatment effect, insufficient slag scraping and the like in the existing air floatation device.

Description

Air floatation device

Technical Field

The utility model relates to a sewage treatment technical field, concretely relates to air supporting device.

Background

The air floatation is that air is introduced into sewage containing polluted impurity particles in the form of tiny fine bubbles, so that the tiny bubbles are adhered to particles suspended in the water to form a water-gas-particle three-phase mixed system, and after the particles are adhered to the bubbles, the particles float upwards with density smaller than that of the water to form a scum layer, thereby removing the polluted impurity particles in the water.

The existing air floatation device has the defects of poor air floatation treatment effect, complex design structure, wide occupied area, insufficient slag scraping and the like due to less bubbles generated by the aeration device. Therefore, the air floating device is very significant.

SUMMERY OF THE UTILITY MODEL

To the above-mentioned not enough, the utility model aims at providing an air supporting device can effectively solve and exist among the current air supporting device air supporting treatment effect poor, scrape the problem that the sediment is insufficient and the project organization is complicated.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides an air flotation device, including the air flotation device body, air flotation device body bottom is provided with the delivery port, air flotation device body one side sets up the water inlet, air flotation device body upper portion is provided with scrapes the sediment machine, it includes drive gear and drive chain to scrape the sediment machine, the last scum board one and the scum board two of being provided with of drive chain, scum board one and scum board two are connected with the filter screen through the spring coupling axle, air flotation device body upper portion one side is provided with the swash plate, the swash plate below is provided with the dross collecting box, the inside of air flotation device body is provided with the aeration pipe, the aeration pipe is the heliciform and lays in the bottom of air flotation device body, the inside of aeration pipe is the inner tube, be provided with gas pocket one on the inner tube outer wall, the outside parcel of inner tube has cut the bubble net, it is provided with gas pocket two on the bubble net to cut, the inner tube passes through air regulating valve and is connected with the pump.

The utility model has the advantages that: the utility model provides an air floatation device, wherein a first slag scraping plate and a second slag scraping plate are arranged on a slag scraping machine on the upper part of an air floatation device body, and the middle part is an elastic connecting shaft which is matched with a filter screen, so that the first slag scraping plate can scrape slag at a certain inclination angle, and the slag scraping effect is improved; the slag scraper is provided with the first slag scraping plate and the second slag scraping plate, so that pollutants can be continuously removed by the slag scraper, and the working efficiency and the slag scraping effect are improved; the aeration pipe is arranged in the air floatation device body, the inner pipe of the aeration pipe is connected with the inflator pump, the inflator pump blows air into the inner pipe, the air generates bubbles all around through the air holes, more and finer bubbles are generated through the wrapped bubble cutting net in the rising process of the bubbles, and the aeration pipe is laid at the bottom of the air floatation device body in a threaded shape, so that enough bubbles can continuously flow upwards from the bottom and are adhered to particles suspended in water, and the air floatation treatment effect is improved; meanwhile, the air regulating valve is arranged, so that bubbles are generated more uniformly and stably; the scum collecting box can collect pollutants scraped by the scum scraper; the whole air floatation device has good air floatation treatment effect, sufficient slag scraping and simple structure.

Further, the water outlet is connected with a clean water tank.

The beneficial effect of adopting the further technical scheme is that: the water outlet is connected with a water purifying tank which can collect the treated clean sewage.

Furthermore, baffles are arranged on two sides of the inclined plate.

The beneficial effect of adopting the further technical scheme is that: through setting up the baffle for the pollutant gets into the dross collecting box more smoothly.

Further, the scum collecting box is provided with an opening and closing door.

The beneficial effect of adopting the further technical scheme is that: the opening and closing door is arranged on the scum collecting box, so that the collected scum is more conveniently reprocessed.

Furthermore, the surface of the filter screen is coated with an anti-corrosion layer.

The beneficial effect of adopting the further technical scheme is that: the service life of the first slag scraping plate and the second slag scraping plate can be prolonged by arranging the anti-corrosion layer.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the aeration structure of the present invention;

FIG. 3 is a schematic structural view of the slag scraping plate of the present invention;

wherein, 1, an air flotation device body; 2. a scum collecting box; 3. a transmission gear; 4. a drive chain; 5. a slag scraper; 6. a first slag scraping plate; 7. a second slag scraping plate; 8. a sloping plate; 9. a water inlet; 10. an air regulating valve; 11. a first air hole; 12. a second air hole; 13. an aeration pipe; 14. an inner tube; 15. a water outlet; 16. cutting a bubble net; 17. an inflator pump; 18. a spring connecting shaft; 19. and (4) a filter screen.

Detailed Description

The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings.

In an embodiment of the utility model, as shown in fig. 1 to 3, an air flotation device is provided, comprising an air flotation device body 1, a water outlet 15 is arranged at the bottom of the air flotation device body 1, the water outlet 15 is connected with a water purification tank, a water inlet 9 is arranged at one side of the air flotation device body 1, a residue scraping machine 5 is arranged at the upper part of the air flotation device body 1, the residue scraping machine 5 comprises a transmission gear 3 and a transmission chain 4, a first residue scraping plate 6 and a second residue scraping plate 7 are arranged on the transmission chain 4, the first residue scraping plate 6 and the second residue scraping plate 7 are connected with a filter screen 19 through a spring connecting shaft 18, so that the first residue scraping plate 6 and the second residue scraping plate 7 scrape residues at a certain inclination angle, and the residue scraping effect is improved; the first slag scraping plate 6 and the second slag scraping plate 7 are arranged together, so that the slag scraper 5 can continuously remove pollutants, and the working efficiency and the slag scraping effect are improved; the surface of the filter screen 19 is coated with an anti-corrosion layer, and the service life of the filter screen can be prolonged by arranging the anti-corrosion layer; an inclined plate 8 is arranged on one side of the upper part of an air floating device body 1, baffles are arranged on two sides of the inclined plate 8, a scum collecting box 2 is arranged below the inclined plate 8, an opening and closing door is arranged on the scum collecting box 2, an aeration pipe 13 is arranged inside the air floating device body 1, the aeration pipe 13 is laid at the bottom of the air floating device body 1 in a threaded manner, an inner pipe 14 is arranged inside the aeration pipe 13, a first air hole 11 is arranged on the outer wall of the inner pipe 14, a bubble cutting net 16 is wrapped outside the inner pipe 14, a second air hole 12 is arranged on the bubble cutting net 16, the inner pipe 14 is connected with an air pump 17 through an air regulating valve 10, the air pump 17 blows air into the inner pipe 14, the air generates bubbles around through the first air hole 11, more and finer bubbles are generated through the wrapped bubble cutting net 16 in the rising process of the bubbles, and the aeration pipe 13 is laid at the bottom of the air floating device body 1 in a threaded manner, so that enough tiny bubbles continuously flow upwards from the bottom, and the air floatation agent is adhered to particles suspended in water, so that the air floatation treatment effect is improved.

While the present invention has been described in detail and with reference to the accompanying drawings, it is not to be considered as limited to the scope of the invention. Various modifications and changes may be made by those skilled in the art without inventive step within the scope of the appended claims.

Claims

1. The air flotation device is characterized by comprising an air flotation device body (1), a water outlet (15) is formed in the bottom of the air flotation device body (1), a water inlet (9) is formed in one side of the air flotation device body (1), a slag scraping machine (5) is arranged on the upper portion of the air flotation device body (1), the slag scraping machine (5) comprises a transmission gear (3) and a transmission chain (4), a first slag scraping plate (6) and a second slag scraping plate (7) are arranged on the transmission chain (4), the first slag scraping plate (6) and the second slag scraping plate (7) are both connected with a filter screen (19) through a spring connecting shaft (18), an inclined plate (8) is arranged on one side of the upper portion of the air flotation device body (1), a scum collecting box (2) is arranged below the inclined plate (8), and an aeration pipe (13) is arranged inside the air flotation device body (1), the aeration pipe (13) is laid at the bottom of the air floatation device body (1) in a threaded manner, an inner pipe (14) is arranged inside the aeration pipe (13), a first air hole (11) is formed in the outer wall of the inner pipe (14), a bubble cutting net (16) is wrapped outside the inner pipe (14), a second air hole (12) is formed in the bubble cutting net, and the inner pipe (14) is connected with an air pump (17) through an air regulating valve (10).

2. The air flotation device as claimed in claim 1, wherein a clean water tank is connected to the water outlet (15).

3. The air-floating device according to claim 1, characterized in that baffles are arranged on both sides of the sloping plate (8).

4. The air flotation device according to claim 1, wherein the dross collection box (2) is provided with an openable door.

5. The air-floating device as claimed in claim 1, characterized in that the surface of said filtering screen (19) is coated with an anti-corrosion layer.