CN210237279U

CN210237279U - Cavitation air flotation for water supply and drainage treatment

Info

Publication number: CN210237279U
Application number: CN201920925794.0U
Authority: CN
Inventors: Guohua Feng; 冯国华
Original assignee: Wuxi Voma Environmental Protection Equipment Technology Co Ltd
Current assignee: Wuxi Voma Environmental Protection Equipment Technology Co Ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-04-03
Anticipated expiration: 2029-06-19

Abstract

The utility model discloses a cavitation air supporting for feedwater and drainage treatment relates to cavitation air supporting technical field, only has the air supporting function for solving current cavitation air supporting equipment, if the suspended solid is heavier still can deposit the equipment bottom, is difficult to the problem of cleaing away. One side of the cavitation air flotation box body is provided with a water inlet, the opposite side of the cavitation air flotation box body is provided with a water outlet, the top of the water outlet is provided with a suction fan, a chain mud scraper is installed above the cavitation air flotation box body, one side of the chain mud scraper is provided with a cavitation aerator, an air dispersing impeller is arranged at the output end of the cavitation aerator, a first motor is installed at the opposite side of the chain mud scraper, the output end of the first motor is in transmission connection with the chain mud scraper through a belt, a sludge discharge groove is formed in the cavitation air flotation box body, a sewage discharge port is formed in the front end face of the sludge discharge groove, and a support frame is arranged below the cavitation air flotation box body.

Description

Cavitation air flotation for water supply and drainage treatment

Technical Field

The utility model relates to a cavitation air supporting technical field specifically is a cavitation air supporting for feedwater and drainage treatment.

Background

The cavitation air flotation system is a patent water treatment device originally created in the world and is also an export recommended technology of the U.S. department of commerce and the environmental protection agency, and the CAF is a system specially designed for removing grease, jelly and solid suspended matters in industrial and municipal sewage. The aeration machine has the working principle that a vacuum area is formed in water by utilizing the high-speed rotation of an air dispersing impeller at the bottom of an air conveying pipe, air on a liquid surface is input into the water through the aeration machine to fill vacuum, micro bubbles are generated along with the air dispersing impeller and spirally rise to the water surface, oxygen in the air is dissolved into the water along with the micro bubbles, and a vertical upward buoyancy force is generated due to the imbalance of the density between an air-water mixture and liquid to bring suspended matters to the water surface. During the floating process, micro bubbles can be attached to the suspended matters, and the suspended matters are supported and maintained on the water surface by the bubbles after reaching the water surface. Suspended matter floating on the water surface is intermittently removed by the chain scraper. The sludge scraper moves along the whole liquid surface and pushes suspended matters from the inlet end of the air flotation tank to the sludge discharge pipeline at the outlet end.

However, the existing cavitation air floatation equipment only has the air floatation function, and suspended matters are still deposited to the bottom of the equipment and are difficult to remove if the suspended matters are heavy; therefore, the existing requirements are not met, and the cavitation air flotation for treating the feed water and the discharge water is provided for the requirements.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a cavitation air supporting for sewage treatment to current cavitation air supporting equipment that provides in solving above-mentioned background art only has the air supporting function, if the suspended solid is heavier still can deposit the equipment bottom, is difficult to the problem of cleaing away.

In order to achieve the above object, the utility model provides a following technical scheme: a cavitation air float for treating water supply and drainage comprises a cavitation air float box body, wherein a water inlet is arranged at one side of the cavitation air float box body, a water outlet is arranged at the other side of the cavitation air float box body, a suction fan is arranged above the water outlet, a chain mud scraper is arranged above the cavitation air float box body, a cavitation aerator is arranged at one side of the chain mud scraper, an air dispersing impeller is arranged at the output end of the cavitation aerator, a first motor is arranged at the other side of the chain mud scraper, the output end of the first motor is in transmission connection with the chain mud scraper through a belt, a sludge discharge groove is arranged inside the cavitation air float box body, a sewage discharge outlet is arranged on the front end surface of the sludge discharge groove, a support frame is arranged below the cavitation air float box body, the number of the support frames is four, and a spiral material conveyor is arranged below one end of the cavitation air float box body, the spiral feeder is characterized in that a feeding hole is formed in the upper portion of the spiral feeder, a discharging hole is formed in the lower portion of the spiral feeder, a second motor is installed at one end of the spiral feeder, and a mechanical seal is installed at the joint of the output end of the second motor and the spiral feeder.

Preferably, a liquid level observation window is arranged on the front end face of the cavitation air floating box body, and a liquid level line is arranged on one side of the liquid level observation window.

Preferably, the outer wall of the cavitation aerator is provided with twenty-six scrapers.

Preferably, a screw rod is installed on the output end of the second motor, and a tail bearing is installed at one end of the screw rod.

Preferably, valves are arranged inside the water inlet, the water outlet, the sewage draining outlet and the feeding hole.

Preferably, a slope is arranged below the inner wall of the cavitation air floating box body, and the slope and the cavitation air floating box body are of an integrated structure.

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

1. the utility model discloses a be provided with the slope in the inside of the cavitation air flotation tank body, still can deposit the bottom half because of heavier floater, the setting on slope can concentrate the landing right side with the precipitate to discharge convenient and fast through bottom half screw conveyor is unified.

2. The suction fan is arranged above the sludge discharge groove, and can provide certain suction at the groove opening, so that floating objects are prevented from being accumulated on the sludge discharge groove opening to cause blockage.

Drawings

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

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

FIG. 3 is a schematic view of the internal structure of the screw conveyor of the present invention;

in the figure: 1. a volute air floating box body; 2. a water inlet; 3. a water outlet; 4. a cavitation aerator; 5. a chain scraper; 6. a squeegee; 7. a first motor; 8. a belt; 9. a suction fan; 10. a sewage draining outlet; 11. a liquid level observation window; 12. a liquid level line; 13. a support frame; 14. a spiral material conveyer; 141. a feed inlet; 142. a discharge port; 143. a second motor; 144. a screw; 145. mechanical sealing; 146. a tail bearing; 15. a valve; 16. a sludge discharge tank; 17. an air dispersing impeller; 18. a ramp.

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.

Referring to fig. 1-3, the present invention provides an embodiment: a cavitation air float for treating water supply and drainage comprises a cavitation air float body 1, one side of the cavitation air float body 1 is provided with a water inlet 2, the other side of the cavitation air float body 1 is provided with a water outlet 3, a suction fan 9 is arranged above the water outlet 3, the suction fan 9 can prevent floating objects from being accumulated at a sludge discharge groove 16 port, a chain mud scraper 5 is arranged above the cavitation air float body 1, one side of the chain mud scraper 5 is provided with a cavitation aerator 4, the cavitation aerator 4 can generate micro bubbles, an air dispersing impeller 17 is arranged on the output end of the cavitation aerator 4, a first motor 7 is arranged on the other side of the chain mud scraper 5, the output end of the first motor 7 is in transmission connection with the chain mud scraper 5 through a belt 8, a sludge discharge groove 16 is arranged inside the cavitation air float body 1, a sewage discharge port 10 is arranged on the front end face of the sludge discharge groove 16, a support frame 13 is arranged below the cavitation air float body 1, and four supporting frames 13 are arranged, a spiral material conveyor 14 is arranged below one end of the cavitation air flotation tank body 1, a feeding hole 141 is arranged above the spiral material conveyor 14, a discharging hole 142 is arranged below the spiral material conveyor 14, a second motor 143 is arranged at one end of the spiral material conveyor 14, and a mechanical seal 145 is arranged at the joint of the output end of the second motor 143 and the spiral material conveyor 14.

Further, be provided with liquid level observation window 11 on the preceding terminal surface of whirlpool air supporting tank 1, one side of liquid level observation window 11 is provided with liquid level line 12, and liquid level observation window 11 can observe quality of water situation, and liquid level height.

Further, the outer wall of the cavitation aerator 4 is provided with the scrapers 6, the scrapers 6 are twenty-six, and the first motor 7 drives the cavitation aerator 4 and the scrapers 6 on the outer wall to rotate, so that the floating objects can be scraped into the sludge discharge groove 16.

Further, a screw 144 is mounted on the output end of the second motor 143, a tail bearing 146 is mounted on one end of the screw 144, and the screw 144 rotates to convey the sediment at the bottom of the cavitation air flotation tank 1 to the discharge port 142.

Further, valves 15 are arranged inside the water inlet 2, the water outlet 3, the sewage draining outlet 10 and the feeding hole 141, and the valves 15 can control the flow or stop of fluid, so that the functions of diversion, stopping, throttling, check, overflow pressure relief and the like are achieved.

Further, the slope 18 is arranged below the inner wall of the cavitation air floating box body 1, the slope 18 and the cavitation air floating box body 1 are of an integral structure, and the slope 18 enables sediments at the bottom of the box body to be capable of being concentratedly slipped to the right side and conveniently discharged.

The working principle is as follows: when in use, the cavitation aerator 4 is started to generate micro bubbles, then pretreated sewage is poured from the water inlet 2 and is fully mixed with the micro bubbles, because the density between the air-water mixture and the liquid is unbalanced, a vertical upward buoyancy force is generated to bring the floating objects to the water surface, at the moment, the floating objects floating on the water surface are pushed into the sludge discharge groove 16 by the scraper 6 on the outer wall of the chain mud scraper 5, because the suction fan 9 is arranged above the sludge discharge groove 16, the suction fan 9 can provide certain suction force to prevent the floating objects from accumulating at the opening of the sludge discharge groove 16, the floating objects entering the sludge discharge groove 16 can be discharged from the sewage discharge opening 10, the inside of the cavitation air flotation tank body 1 is provided with a slope 18, because heavier floating objects still can be deposited at the bottom of the tank body, the slope 18 can intensively slide the sediments to the right side, and are uniformly discharged through the spiral material conveyor 14, is convenient and quick.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. The utility model provides a cavitation air supporting for water treatment, includes cavitation air flotation tank body (1), its characterized in that: a water inlet (2) is arranged on one side of the volute concave air bearing box body (1), a water outlet (3) is arranged on the other side of the volute concave air bearing box body (1), a suction fan (9) is arranged above the water outlet (3), a chain mud scraper (5) is installed above the volute concave air bearing box body (1), a volute concave aerator (4) is arranged on one side of the chain mud scraper (5), an air dispersing impeller (17) is arranged on the output end of the volute concave aerator (4), a first motor (7) is installed on the other side of the chain mud scraper (5), the output end of the first motor (7) is in transmission connection with the chain mud scraper (5) through a belt (8), a sludge discharge groove (16) is arranged inside the volute concave air bearing box body (1), and a sewage discharge outlet (10) is arranged on the front end face of the sludge discharge groove (16), the utility model discloses a spiral material conveying device, including vortex concave air flotation tank body (1), support frame (13) are provided with in the below of vortex concave air flotation tank body (1), and support frame (13) are provided with four, the below of vortex concave air flotation tank body (1) one end is provided with spiral material conveying machine (14), the top of spiral material conveying machine (14) is provided with feed inlet (141), the below of spiral material conveying machine (14) is provided with discharge gate (142), second motor (143) are installed to the one end of spiral material conveying machine (14), mechanical seal (145) are installed with the junction of spiral material conveying machine (14) to the output of second motor (143).

2. The cavitation air float for treating feed and discharge water as claimed in claim 1, wherein: a liquid level observation window (11) is arranged on the front end face of the cavitation air floating box body (1), and a liquid level line (12) is arranged on one side of the liquid level observation window (11).

3. The cavitation air float for treating feed and discharge water as claimed in claim 1, wherein: the outer wall of the cavitation aerator (4) is provided with scrapers (6), and the number of the scrapers (6) is twenty-six.

4. The cavitation air float for treating feed and discharge water as claimed in claim 1, wherein: the output end of the second motor (143) is provided with a screw rod (144), and one end of the screw rod (144) is provided with a tail bearing (146).

5. The cavitation air float for treating feed and discharge water as claimed in claim 1, wherein: valves (15) are arranged inside the water inlet (2), the water outlet (3), the sewage draining outlet (10) and the feeding hole (141).

6. The cavitation air float for treating feed and discharge water as claimed in claim 1, wherein: a slope (18) is arranged below the inner wall of the cavitation air floating box body (1), and the slope (18) and the cavitation air floating box body (1) are of an integrated structure.