CN212246483U

CN212246483U - Mechanical combined air-flotation oil removing device

Info

Publication number: CN212246483U
Application number: CN202020647527.4U
Authority: CN
Inventors: 刘星; 黄中; 陈大龙; 黄琰昕; 王文君; 陆洋; 郝玉森
Original assignee: Sichuan Guoli Energy Technology Co ltd
Current assignee: Sichuan Guoli Energy Technology Co ltd
Priority date: 2020-04-26
Filing date: 2020-04-26
Publication date: 2020-12-29
Anticipated expiration: 2030-04-26

Abstract

The utility model discloses a mechanical combination formula air supporting deoiling device, including the storage water tank body, the upper cover sets up air pump and the backwash pump on the storage water tank lateral wall to and set up stirring district, dissolved air tank, filtration water district, sedimentation separation district and the scum pond in the storage water tank body. The utility model provides a mechanical combination formula air supporting deoiling device, grease in can effectual reduction sewage, the fine oil content that has reduced the aquatic to improved the grease class material in the emission sewage, can effectual reduction sewage discharge to the influence of environment, the better demand that has satisfied the enterprise.

Description

Mechanical combined air-flotation oil removing device

Technical Field

The utility model relates to a sewage treatment technical field specifically indicates a mechanical combination formula air supporting deoiling device.

Background

With the increase of environmental protection pressure, the requirement of environmental protection treatment is higher and higher, grease of reverse drainage sewage generated by fracturing during exploitation of shale gas is removed, the oil content in water is reduced, and the improvement of the purity of water becomes an urgent matter.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome above-mentioned problem, provide a mechanical combination formula air supporting deoiling device, grease in can effectual reduction sewage, the fine oil content that has reduced the aquatic to improved the grease class material in the emission sewage, can effectual reduction sewage discharge to the influence of environment, the better demand that has satisfied the enterprise.

The purpose of the utility model is realized through the following technical scheme:

the utility model provides a mechanical combination formula air supporting deoiling device, includes the water storage tank body, the upper cover sets up air pump and the backwash pump on the water storage tank lateral wall to and set up stirring district, dissolved air tank, filtration water district, sedimentation separation district and the scum pond in the water storage tank body.

Preferably, the stirring area and the gas dissolving pool are arranged adjacently at the left and right, the stirring area and the gas dissolving pool are separated by an overflow wall, and the top end of the overflow wall is lower than the top end of the side wall of the water storage tank.

Furthermore, a stirrer driven by a motor is arranged in the stirring area, a water inlet communicated with the outside is also arranged on the side wall of the stirring area, and at least one sludge discharge port is arranged at the bottom of the stirring area and is connected with the outside through a sludge discharge pipe.

Furthermore, a filter plate is arranged at the central position of the dissolved air pool, the filter plate divides the dissolved air pool into a water inlet area and a water outlet area, the water inlet area is arranged adjacent to the stirring area, an air inlet pipe with the end part connected with an air pump is arranged at the bottom of the water inlet area, and at least one releaser is arranged on the air inlet pipe.

Preferably, the precipitation separation zone and the water filtering zone are arranged adjacently up and down, the water filtering zone is communicated with the bottom end of the water outlet zone, and a partition plate with the top lower than the highest position of the side wall of the water storage tank is arranged between the precipitation separation zone and the water outlet zone.

Furthermore, a plurality of silt discharge ports are formed in the side face of the bottom of the water filtering area, at least two water pumping ports are formed in the side wall of the top face of the tail of the water filtering area, and at least one water pumping port is connected with the inlet end of the reflux pump through a pipeline; the outlet end of the reflux pump is connected with the water inlet through a pipeline.

Preferably, the upper cover is also provided with a slag scraper which is positioned above the precipitation separation zone.

Preferably, the scum pool is positioned behind the precipitation separation area, and the side wall of the precipitation separation area, which is adjacent to the scum pool, is a slope; and a slag discharge port communicated with the outside is arranged at the bottom of the side surface of the scum pool.

Compared with the prior art, the utility model, following advantage and beneficial effect have:

(1) the utility model discloses be provided with the backwash pump, can send the sewage of emission back again the water inlet when sewage discharge is not up to standard and carry out secondary treatment, very big improvement the result of use of product, simultaneously fine improvement the product to the treatment effect of sewage, reduced the demand of equipment, fine sewage treatment cost of having saved the enterprise.

(2) The utility model discloses can effectual grease that reduces in the sewage, fine reduction the oil content of aquatic to improve the grease class material in the emission sewage, can effectual reduction sewage discharge to the influence of environment, the better demand that has satisfied the enterprise.

Drawings

Fig. 1 is a schematic top view of the present invention.

Fig. 2 is a schematic diagram of the formal cross-sectional structure of the present invention.

Fig. 3 is a right-view structural diagram of fig. 1.

Description of the figures: 1. a water storage tank body; 2. an upper cover; 3. a stirring zone; 4. a water inlet; 5. a sludge discharge port; 6. a sludge discharge pipe; 7. a dissolved air pool; 8. a filter plate; 9. a releaser; 10. an air inlet pipe; 11. a silt discharge port; 12. an air pump; 13. a stirrer; 14. a slag scraper; 15. a filtered water zone; 16. a precipitation separation zone; 17. a scum pool; 18. a slag discharge port; 19. a water pumping port; 20. a reflux pump.

Detailed Description

The present invention will be described in further detail with reference to examples, but the present invention is not limited thereto.

Example 1

As shown in fig. 1-3, a mechanical combined air-flotation oil removing device comprises a water storage tank 1, an upper cover 2, an air pump 12 and a reflux pump 20 arranged on the side wall of the water storage tank 1, and a stirring area 3, a dissolved air pool 7, a filtered water area 15, a precipitation separation area 16 and a scum pool 17 arranged in the water storage tank 1.

The stirring area 3 and the gas dissolving pool 7 are adjacently arranged left and right, the stirring area 3 and the gas dissolving pool 7 are separated through an overflow wall, and the top end of the overflow wall is lower than the top end of the side wall of the water storage tank body 1.

The stirring area 3 is internally provided with a stirrer 13 driven by a motor, the side wall of the stirring area 3 is also provided with a water inlet 4 communicated with the outside, the bottom of the stirring area 3 is provided with at least one sludge discharge port 5, and the sludge discharge port 5 is connected with the outside through a sludge discharge pipe 6.

The rotating speed of the stirrer is controlled to be 5-8r/min, the stirring area is arranged to promote the layering of the sewage and improve the flowing speed of the sewage, and meanwhile, the rotating speed of the stirrer is controlled to avoid the condition that the sewage cannot be layered due to the fact that the rotating speed of the stirrer is too high.

The mud discharging port needs to discharge mud at regular time so as to avoid the influence on the normal use of products caused by excessive sediment and other impurities deposited at the bottom of the stirring area.

The central position department of gas dissolving pool 7 is provided with a filter 8, and this filter 8 will dissolve gas pool 7 and divide into water district and play water district, and the district that intakes sets up with stirring district 3 is adjacent, is provided with the intake pipe 10 that the tip is connected with air pump 12 in the bottom in the district of intaking, is provided with at least one releaser 9 on intake pipe 10.

The filter is when setting up, and its top position is higher than the highest page of liquid to avoid the impurity in the liquid to pass through the filter entering and deposit the separation region, set up the solid impurity that this filter can effectual reduction sewage, but need timely when using clear up this filter, avoid filter surface impurity to adhere to too much and lead to the liquid circulation not smooth and easy. And when the filter plate is arranged, the bottom of the filter plate does not need to be contacted with the inner wall of the bottom of the water storage tank body.

The releaser can be the bubble release with the air in the intake pipe away, and the bubble upwards rises under the buoyancy of liquid, at the in-process that the bubble rises, can effectually promote the grease in the liquid to the liquid level direction to the effectual grease of avoiding sinks in liquid.

The precipitation separation zone 16 and the filtered water zone 15 are arranged adjacently up and down, the filtered water zone 15 is communicated with the bottom end of the water outlet zone, and a partition plate with the top height lower than the highest position of the side wall of the water storage tank body 1 is arranged between the precipitation separation zone 16 and the water outlet zone.

The side surface of the bottom of the filtered water area 15 is provided with a plurality of silt discharge ports 11, the side wall of the top surface of the tail part of the filtered water area 15 is also provided with at least two water pumping ports 19, and at least one of the water pumping ports 19 is connected with the inlet end of a reflux pump 20 through a pipeline; the outlet end of the reflux pump 20 is connected with the water inlet 4 through a pipeline.

The filtering water area can guide in the liquid with lower oil content at the bottom of the water outlet area, the liquid can be precipitated in the filtering water area, sediment at the bottom of the precipitated liquid is discharged from a sediment discharge port, the supernatant is discharged from a water pumping port at the tail end of the filtering water area, and when the discharged liquid does not meet the discharge standard, the reflux pump is started to send the liquid discharged from the water pumping port back to the water inlet again for circular treatment.

The upper cover 2 is also provided with a slag scraper 14, and the slag scraper 14 is positioned above the precipitation separation zone 16.

The slag scraper is the prior art in the field, and is used for hanging oily waste residues at the top of the precipitation separation area and sending the oily waste residues into the scum pool for centralized discharge treatment.

In addition, the bottom end of the side wall of the precipitation separation area is also provided with a precipitation discharge port communicated with the outside for discharging the precipitated lower clear liquid.

The scum pool 17 is positioned behind the precipitation separation area 16, and the side wall of one side of the precipitation separation area 16, which is adjacent to the scum pool 17, is a slope; and a slag discharge port 18 communicated with the outside is formed at the bottom of the side surface of the scum pool 17.

The scum pool is used for containing oily waste residues scraped by the scum scraper, and the slope is arranged on the side surface of the adjacent side of the sediment separation area and the scum pool so as to ensure that the oily waste residues which do not enter the scum pool quickly return to the sediment separation area.

As described above, the utility model discloses alright fine realization.

Claims

1. The utility model provides a mechanical combination formula air supporting deoiling device which characterized in that: the device comprises a water storage tank body (1), an upper cover (2), an air pump (12) and a reflux pump (20) which are arranged on the side wall of the water storage tank body (1), and a stirring area (3), a gas dissolving pool (7), a water filtering area (15), a precipitation separation area (16) and a scum pool (17) which are arranged in the water storage tank body (1).

2. The mechanical combined type air flotation oil removing device according to claim 1, characterized in that: the stirring area (3) and the dissolved air pool (7) are adjacently arranged left and right, the stirring area (3) and the dissolved air pool (7) are separated through an overflow wall, and the top end of the overflow wall is lower than the top end of the side wall of the water storage box body (1).

3. The mechanical combined type air flotation oil removing device according to claim 2, characterized in that: the stirring area (3) is internally provided with a stirrer (13) driven by a motor, the side wall of the stirring area (3) is also provided with a water inlet (4) communicated with the outside, the bottom of the stirring area (3) is provided with at least one sludge discharge port (5), and the sludge discharge port (5) is connected with the outside through a sludge discharge pipe (6).

4. The mechanical combined type air flotation oil removing device according to claim 3, characterized in that: the central position department of gas dissolving pool (7) is provided with a filter (8), and this filter (8) is divided gas dissolving pool (7) into and is distinguished and go out the water zone, and the district that intakes sets up with stirring district (3) adjacent, is provided with tip and intake pipe (10) that air pump (12) are connected intake the bottom in district, is provided with at least one releaser (9) on intake pipe (10).

5. The mechanical combined type air flotation oil removing device according to claim 4, characterized in that: the sedimentation separation zone (16) and the water filtering zone (15) are arranged adjacently up and down, the water filtering zone (15) is communicated with the bottom end of the water outlet zone, and a partition plate with the top height lower than the highest position of the side wall of the water storage tank body (1) is arranged between the sedimentation separation zone (16) and the water outlet zone.

6. The mechanical combined type air flotation oil removing device according to claim 5, characterized in that: the side surface of the bottom of the filtered water area (15) is provided with a plurality of silt discharge ports (11), the side wall of the top surface of the tail part of the filtered water area (15) is also provided with at least two water pumping ports (19), and at least one of the water pumping ports (19) is connected with the inlet end of a reflux pump (20) through a pipeline; the outlet end of the reflux pump (20) is connected with the water inlet (4) through a pipeline.

7. The mechanical combined type air flotation oil removing device according to claim 5, characterized in that: the upper cover (2) is also provided with a slag scraper (14), and the slag scraper (14) is positioned above the precipitation separation zone (16).

8. The mechanically combined air flotation oil removing device according to claim 7, characterized in that: the scum pool (17) is positioned behind the precipitation separation area (16), and the side wall of one side of the precipitation separation area (16) adjacent to the scum pool (17) is a slope; the bottom of the side surface of the scum pool (17) is provided with a scum outlet (18) communicated with the outside.