CN217838427U - Multi-runner dissolved air flotation for sewage treatment - Google Patents

Abstract

The utility model relates to a sewage treatment technical field specifically is a multithread way dissolves gas air supporting for sewage treatment, which comprises a tank body, the inside of the jar body is provided with first release district, second release district, third release district, fourth release district, secondary and receives sediment room and clear water chamber, the inside top of the jar body is provided with once receives the sediment groove, the equal fixedly connected with releaser in inside in first release district, second release district, third release district and fourth release district, this air supporting device divides four sections multithread way release to handle, installs the releaser of different quantity in every section air supporting release district to adapt to the water quality requirement in different release districts, and when this air supporting device is handling same quality of water yield waste water, its volume is conventional air supporting 40% ~ 60%; and moving parts such as a slag scraper and the like are removed, and maintenance-free operation is realized inside the slag scraper; compared with other air flotation devices, the air flotation device has less investment and better economic and social benefits.

Description

Multi-runner dissolved air flotation for sewage treatment

Technical Field

The utility model relates to a sewage treatment technical field specifically is a sewage treatment dissolves gas air supporting with multithread way.

Background

The dissolved air flotation is mainly used for sewage treatment systems, has peculiar effect on algae removal, is a new breakthrough in the sewage treatment systems, utilizes the characteristic that water has different solubility under different pressures to generate micro bubbles in water under the condition of pressurization or negative pressure, and replaces the traditional air flotation process for introducing air into water by air introducing equipment.

The routine water purifying process for petroleum and petrochemical industry consists of a regulating and storing device, a settling and separating device, a filtering device and the like. The natural settling separation device not only has slow separation speed and large equipment, but also has small density difference of oil and water, and has poor treatment effect on water with seriously emulsified oil. In order to improve the water treatment effect, an air floatation technology is adopted in the treatment of wastewater generated in the oil field produced water and refining process at home and abroad, and therefore, a multi-channel dissolved air floatation for sewage treatment is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a multithread way dissolves gas air supporting for sewage treatment to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a multi-channel dissolved air flotation for sewage treatment comprises a tank body;

the inside of the jar body is provided with first release district, second release district, third release district, fourth release district, secondary and receives sediment room and clear water chamber, the inside top of the jar body is provided with once receives the sediment groove, the equal fixedly connected with releaser in inside in first release district, second release district, third release district and fourth release district, the releaser passes through pipeline fixedly connected with collection jar, the collection jar has heterogeneous vortex dissolved air pump through the pipe connection, be connected through the pipeline each other between heterogeneous vortex dissolved air pump and the secondary and receive the sediment room, the one end of the jar body is provided with the water inlet, the bottom one end of the jar body is provided with the delivery port.

Preferably, the secondary slag collecting device is arranged in the secondary slag collecting chamber, and the water collector is arranged in the clear water cavity.

Preferably, one end of the interior of the tank body is provided with a buffer zone.

Preferably, a water inlet liquid level sensor is arranged in the primary slag collecting groove.

Preferably, a secondary scum liquid level sensor is arranged inside the secondary scum collecting chamber, and the height of the secondary scum liquid level sensor is flush with that of the secondary scum collecting device.

Preferably, a water outlet level sensor is arranged in the clean water cavity.

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

1. the air flotation device is divided into four sections and multi-channel release treatment, different numbers of releases are arranged in each section of air flotation release area to adapt to the water quality requirements of different release areas, and when the air flotation device is used for treating wastewater with the same water quality and water quantity, the volume of the air flotation device is 40% -60% of that of conventional air flotation; and moving parts such as a slag scraper and the like are removed, and maintenance-free operation is realized inside the slag scraper; compared with other air flotation devices, the air flotation device has less investment and better economic and social benefits.

Drawings

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

In the figure: 1. a tank body; 2. a first release region; 3. a second release region; 4. a third release region; 5. a fourth release region; 6. a primary slag collection groove; 7. a secondary slag collection chamber; 8. a secondary slag collecting device; 9. a clear water cavity; 10. a water collector; 11. a water inlet; 12. a water outlet; 13. a releaser; 14. a collection tank; 15. a multiphase vortex dissolved air pump; 16. a water inlet level sensor; 17. a secondary dross level sensor; 18. a water outlet level sensor; 19. a buffer area.

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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts all belong to the protection scope of the present invention.

Examples

Referring to fig. 1, there are shown: the embodiment is a preferred implementation manner in the technical scheme, and the multi-channel dissolved air flotation for sewage treatment comprises a tank body 1;

a first release area 2, a second release area 3, a third release area 4, a fourth release area 5, a secondary slag collecting chamber 7 and a clear water chamber 9 are arranged inside the tank body 1, a primary slag collecting groove 6 is arranged at the top end inside the tank body 1, releasers 13 are fixedly connected inside the first release area 2, the second release area 3, the third release area 4 and the fourth release area 5, the releasers 13 are fixedly connected with a collecting tank 14 through pipelines, the collecting tank 14 is connected with a multiphase vortex dissolved air pump 15 through pipelines, the multiphase vortex dissolved air pump 15 and the secondary slag collecting chamber 7 are mutually connected through pipelines, a water inlet 11 is arranged at one end of the tank body 1, and a water outlet 12 is arranged at one end of the bottom of the tank body 1;

as shown in fig. 1, a secondary slag collecting device 8 is arranged inside the secondary slag collecting chamber 7, a water collector 10 is arranged inside the clear water cavity 9, scum inside the tank body 1 can be discharged and treated through the secondary slag collecting device 8, and clear water after treatment can be collected through the clear water cavity 9;

as shown in fig. 1, a buffer zone 19 is arranged at one end inside the tank body 1, and sewage entering the tank body 1 can be buffered through the buffer zone 19, so that impact caused by the sewage entering the tank body 1 is reduced;

as shown in fig. 1, a water inlet level sensor 16 is arranged in the primary slag collection tank 6, and the position of the scum can be detected in time by the water inlet level sensor 16;

as shown in fig. 1, a secondary scum liquid level sensor 17 is arranged inside the secondary scum chamber 7, the height of the secondary scum liquid level sensor 17 is flush with the height of the secondary scum collecting device 8, and the position of scum inside the secondary scum chamber 7 can be detected by the secondary scum liquid level sensor 17, so that the secondary scum collecting device 8 can be started to clean scum inside the secondary scum chamber 7 and the primary scum collecting tank 6;

as shown in fig. 1, a water outlet level sensor 18 is arranged inside the clean water cavity 9, and the water level of the clean water inside the clean water cavity 9 can be detected by the water outlet level sensor 18, so that the clean water can be discharged to the outside in time;

in the embodiment, in the using process, after the chemical adding reaction, sewage is sent into the buffer zone 19 through the water inlet 11, after the buffering, the sewage respectively enters the first release zone 2, the second release zone 3, the third release zone 4 and the fourth release zone 5, and is released through the releaser 13 to enable the dissolved air water to be in mixed contact, so that the flocculating constituent is adhered to the fine micro-bubbles and then enters the air flotation release zone. The flocculating constituent floats to the water surface under the action of air floatation force to form scum, and the scum firstly enters a primary scum collecting tank 6, and in order to ensure the water outlet effect, a secondary scum collecting device 8 is arranged in front of a clear water cavity 9 to regularly collect the scum on the liquid surface; after the water flows to the clean water cavity 9 through the water collector 10, a part of the clean water flows back through the multiphase vortex air dissolving pump 15 to be used as air dissolving water, and the water in the water outlet cavity flows into the next stage of process equipment after reaching the standard.

The above description is for further details of the present invention, and it should not be assumed that the embodiments of the present invention are limited to these descriptions, and that a person of ordinary skill in the art to which the present invention pertains can make several simple deductions or substitutions without departing from the spirit of the present invention, and all should be considered as belonging to the protection scope defined by the claims submitted by the present invention.

Claims (6)

1. A multi-channel dissolved air flotation for sewage treatment comprises a tank body (1);

the method is characterized in that:

the utility model discloses a slag-removing device, including jar body (1), the inside of jar body (1) is provided with first release district (2), second release district (3), third release district (4), fourth release district (5), secondary receipts sediment room (7) and clear water chamber (9), the inside top of the jar body (1) is provided with once receives sediment groove (6), the equal fixedly connected with releaser (13) in inside of first release district (2), second release district (3), third release district (4) and fourth release district (5), releaser (13) are through pipeline fixedly connected with collection jar (14), collection jar (14) have heterogeneous vortex dissolved air pump (15) through the pipe connection, be connected through the pipeline each other between heterogeneous vortex dissolved air pump (15) and the secondary receipts sediment room (7), the one end of the jar body (1) is provided with water inlet (11), the bottom one end of the jar body (1) is provided with delivery port (12).

2. The multi-channel dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: the secondary slag collecting device (8) is arranged in the secondary slag collecting chamber (7), and the water collector (10) is arranged in the clear water cavity (9).

3. The multi-channel dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: one end in the tank body (1) is provided with a buffer area (19).

4. The multi-channel dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: and a water inlet liquid level sensor (16) is arranged in the primary slag collecting groove (6).

5. The multi-channel dissolved air flotation device for sewage treatment as claimed in claim 2, wherein: and a secondary scum liquid level sensor (17) is arranged in the secondary scum collecting chamber (7), and the height of the secondary scum liquid level sensor (17) is flush with the height of the secondary scum collecting device (8).

6. The multi-channel dissolved air flotation device for sewage treatment as claimed in claim 1, wherein: and a water outlet liquid level sensor (18) is arranged in the clear water cavity (9).

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