CN216972074U

CN216972074U - Rotary drum type efficient oil-water separation device

Info

Publication number: CN216972074U
Application number: CN202220847882.5U
Authority: CN
Inventors: 王林; 彭春宏
Original assignee: Chengdu Hongmeng Environmental Protection Technology Co ltd
Current assignee: Chengdu Hongmeng Environmental Protection Technology Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-15
Anticipated expiration: 2032-04-13

Abstract

The utility model discloses a rotary drum type high-efficiency oil-water separation device, which comprises an oil collecting box, wherein a water collecting box is inserted into the bottom end of the oil collecting box, a rotary drum is arranged in the water collecting box, a hollow rotary rod is inserted on the rotary drum, and the oil collecting box and the water collecting box are arranged on the hollow rotary rod; the utility model is suitable for the technical field of sewage treatment, through accelerating the movement of oil-water mixed liquid in a specific space by external capacity, utilizing the density difference between different objects, layering the substances under the action of gravity and centripetal force, and then respectively collecting different substances, simplifying the separation process, achieving the purpose of quick separation, and utilizing the inertia principle to control a discharge switch arranged below the rotary drum so as to achieve the purpose of quickly discharging the substances in the rotary drum.

Description

Rotary drum type efficient oil-water separation device

Technical Field

The utility model belongs to the technical field of sewage treatment, and particularly relates to a rotary drum type efficient oil-water separation device.

Background

With the development of society and the water resource that reduces day by day, people have looked at the field of sewage treatment, and sewage treatment now commonly used is unpowered high-efficient oil water separator: the method is characterized in that the oil-water separation is carried out by adopting the physical principle that the specific gravity of oil and water is different and integrating the methods of filtration, precipitation, buoyancy and the like. The oil particles float on the water surface after the collision of the slow flow and the inclined plate for a certain time through physical movement. Its peculiar multistage processing and separator adopt swash plate and buckled plate oil removal technique, and the swash plate collision through several layers is separated through the reposition of redundant personnel of multilayer buckled plate again, and special liquid level difference in height just can be used for concentrating the recovery processing with the mixed grease separation seepage flow of oily waste water in the automatic and concentrated oil trap.

However, the unpowered high-efficiency oil-water separator has many defects, firstly, it cannot rapidly separate the water mixed liquid, the separation process is complex, the separation efficiency is low, and it is difficult to separate the particulate matters in the sewage.

SUMMERY OF THE UTILITY MODEL

The utility model aims to overcome the defects of the prior art and provides a rotary drum type efficient oil-water separation device.

In order to realize the purpose, the utility model adopts the following technical scheme:

a rotary drum type efficient oil-water separation device comprises an oil collecting box, wherein a water collecting box is arranged at the bottom end of the oil collecting box in an inserting mode, a rotary drum is arranged in the water collecting box, a hollow rotary rod is arranged on the rotary drum in an inserting mode, and the oil collecting box and the water collecting box are arranged on the hollow rotary rod;

the oil collecting device is characterized in that a motor is arranged at the top of the oil collecting box, the top end of the hollow rotating rod is fixedly connected with an output shaft of the motor, the bottom end of the hollow rotating rod is connected with a water inlet through a bearing, a plurality of inertia blow-down valves are arranged at the bottom of the rotary drum, and a plurality of oil outlets are formed in the top of the rotary drum.

Preferably, the bottom of the water collecting box is provided with a drain outlet, a drain electromagnetic valve is arranged in the drain outlet, the upper end of one side of the oil collecting box is provided with an oil discharge port, the lower end of the oil collecting box is provided with a water discharge port, a drain electromagnetic valve is arranged in the water discharge port, the upper end of the other side of the oil collecting box is provided with an upper water level probe, and the lower end of the oil collecting box is provided with a lower water level probe.

Preferably, one side of the oil collecting box close to the oil discharge port is provided with a water retaining sheet.

Preferably, the inertia blowoff valve comprises a one-way valve for shielding a blowoff port of the rotary drum, one end of the one-way valve is rotatably connected with the bottom of the rotary drum, and the other end of the one-way valve is positioned through the clamping seat.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

according to the utility model, the movement of the oil-water mixed liquid in a specific space is accelerated by external capacity, substances are layered under the action of gravity and centripetal force by utilizing density difference among different objects, and then different substances are respectively collected, so that the separation process is simplified, and the aim of rapid separation is fulfilled.

According to the utility model, the discharge switch arranged below the rotary drum is controlled by using the inertia principle, so that the substances in the rotary drum are quickly discharged, and the separation of oil, water and particles can be realized.

Drawings

FIG. 1 is a schematic view of the overall structure of a drum-type high-efficiency oil-water separation device according to the present invention;

FIG. 2 is a schematic view showing a closed state of an inertial sewage valve body in the rotary drum type high-efficiency oil-water separation device according to the present invention;

FIG. 3 is a schematic view showing an opening state of an inertia sewage valve body in the drum-type high-efficiency oil-water separation device according to the present invention;

FIG. 4 is a schematic diagram of the positions of various substances in the separation process in the drum-type high-efficiency oil-water separation device.

Reference numerals: 1. an oil collecting box; 2. a water collection box; 3. a drum; 4. a hollow rotating rod; 5. a motor; 6. a water inlet; 7. a water outlet hole; 8. an inertial blowdown valve; 9. an oil outlet hole; 10. a blowdown electromagnetic valve; 11. an oil discharge port; 12. a water discharge electromagnetic valve; 13. an upper water level probe; 14. a lower water level probe; 15. a water retaining sheet; 16. a one-way valve; 17. a card holder; 18. a rotary drum sewage outlet; 19. (ii) particulate matter; 20. water; 21. and (3) oil.

Detailed Description

The following further describes a specific embodiment of the drum-type high-efficiency oil-water separation device according to the present invention with reference to the accompanying drawings 1-4. The drum type high efficiency oil water separating device of the present invention is not limited to the description of the following examples.

Example 1:

the embodiment provides a specific implementation manner of a rotary drum type efficient oil-water separation device, which comprises an oil collecting box 1, a water collecting box 2 is arranged at the bottom end of the oil collecting box 1 in an inserting manner, a rotary drum 3 is arranged in the water collecting box 2, a hollow rotary rod 4 is arranged on the rotary drum 3 in an inserting manner, and the oil collecting box 1 and the water collecting box 2 are arranged on the hollow rotary rod 4;

the top of the oil collecting box 1 is provided with a motor 5, the top end of a hollow rotating rod 4 is fixedly connected with an output shaft of the motor 5, the bottom end of the hollow rotating rod 4 is connected with a water inlet 6 through a bearing, an oil seal is arranged at the joint, the bottom of the rotary drum 3 is provided with a plurality of inertia blow-down valves 8, and the top of the rotary drum 3 is provided with a plurality of oil outlet holes 9.

Further, a sewage draining outlet is formed in the bottom of the water collecting box 2, a sewage draining electromagnetic valve 10 is arranged in the sewage draining outlet, an oil draining outlet 11 is formed in the upper end of one side of the oil collecting box 1, a water draining outlet is formed in the lower end of the oil collecting box, a water draining electromagnetic valve 12 is arranged in the water draining outlet, an upper water level probe 13 is arranged at the upper end of the other side of the oil collecting box 1, and a lower water level probe 14 is arranged at the lower end of the oil collecting box.

Further, a water blocking sheet 15 is arranged on one side of the oil collecting box 1 close to the oil outlet 11.

Further, the inertia blow-down valve 8 comprises a one-way valve 16 for shielding a blow-down port 18 of the rotary drum, one end of the one-way valve 16 is rotatably connected with the bottom of the rotary drum 3, and the other end of the one-way valve is positioned through a clamping seat 17.

Further, the one-way valve 16 and the rotary drum sewage outlet 18 are sealed through an O-shaped sealing ring.

The working principle is as follows: as shown in fig. 1-4, oily wastewater enters the hollow rotating rod 4 through the water inlet 6, the hollow rotating rod 4 is rotatably connected with the water inlet 6 through a bearing, and the joint adopts an oil seal to prevent the bearing from being watered, thereby influencing the service life of the bearing.

Inside sewage got into rotary drum 3 through apopore 7, opened motor 5, hollow bull stick 4 rotation was driven to motor 5's output shaft, and then driven rotary drum 3 and rotate, as shown in fig. 2 and 3, rotary drum bottom one-way valve 16 receives inertial action and cassette 17 interference connection, and then plugs up rotary drum drain 18.

As shown in FIG. 4, the liquid inside the rotary drum 3 is stressed inside the rotary drum 3, follows the rotary drum 3 to move, and is influenced by centrifugal force and gravity, the liquid inside the rotary drum 3 generates vortex motion, water 20 with higher density in the liquid is thrown away from the central area, particulate matters 19 are thrown to the lower part of the vortex, and oil 21 with lower density is collected in the central area of the vortex.

The vortex in the rotary drum 3 produces the "siphon" effect, and the waste water that needs to be handled is because the "siphon" effect is constantly inhaled the rotary drum 3 inside and is separated, along with getting into the continuous increase of liquid, and oil 21 and water 20 after the separation are constantly thrown away in the outer collection oil box 1 of rotary drum 3 through the oil outlet 9 of the central point position in the top of rotary drum 3, inside the collection oil box 1 of inflow through collection oil box 1, carry out the secondary and deposit.

The rotary drum 3 is used for accelerating the rapid separation of oil molecules in the oily wastewater. The oil water after layering is in oil collecting box 1, and oil 21 density is lighter than water 20 and floats at the surface of water, overflows oil collecting box 1 through oil drain port 11 and retrieves after the oil level constantly accumulates, and waste oil and sewage that throw away in the rotation of rotary drum 3 flow into oil collecting box 1 bottom after being blockked by manger plate 15, and manger plate 15 is used for preventing the liquid water that the rotary drum throws away from directly gets into oil drain port 11.

An upper electronic water level probe 13 and a lower water level probe 14 are arranged in the oil collecting box 1, the water quantity in the oil collecting box 1 is judged, when the water in the oil collecting box 1 reaches the upper water level, the probe 13 transmits a signal to a controller, the controller opens a drainage electromagnetic valve 12 to drain, and the treated sewage is discharged into a sewer through a water pipe to be discharged. Preventing the water level in the oil collecting box 1 from overflowing from the oil outlet 11 after rising. When the water level drops to the lower water level probe 14, the controller closes the drain solenoid valve 12, preventing the oil slick from being drained.

When the particulate matters and impurities in the rotary drum need to be discharged, a controller pollution discharge switch is started, the motor 5 rotates reversely to drive the rotary drum 3 to rotate reversely to drive the one-way valve 16 at the bottom of the rotary drum 3 to be opened, the particles 19 and the water 20 in the rotary drum 3 flow into the water collecting box 2 from the rotary drum pollution discharge outlet 18 under the action of gravity, the controller synchronously opens the pollution discharge electromagnetic valve 10 when the motor 5 rotates reversely, and the sewage and the impurities are discharged into a sewer through the pollution discharge electromagnetic valve 12.

The foregoing is a more detailed description of the utility model in connection with specific preferred embodiments and it is not intended that the utility model be limited to these specific details. For those skilled in the art to which the utility model pertains, several simple deductions or substitutions can be made without departing from the spirit of the utility model, and all shall be considered as belonging to the protection scope of the utility model.

Claims

1. A rotary drum type efficient oil-water separation device is characterized by comprising an oil collecting box (1), wherein a water collecting box (2) is arranged at the bottom end of the oil collecting box (1) in an inserting mode, a rotary drum (3) is arranged in the water collecting box (2), a hollow rotary rod (4) is arranged on the rotary drum (3) in an inserting mode, and the hollow rotary rod (4) comprises the oil collecting box (1) and the water collecting box (2);

the oil collecting device is characterized in that a motor (5) is arranged at the top of the oil collecting box (1), the top end of the hollow rotating rod (4) is fixedly connected with an output shaft of the motor (5), the bottom end of the hollow rotating rod (4) is connected with the water inlet (6) through a bearing, a plurality of inertia blow-down valves (8) are arranged at the bottom of the rotary drum (3), and a plurality of oil outlets (9) are formed in the top of the rotary drum (3).

2. The rotary drum type high-efficiency oil-water separation device as claimed in claim 1, wherein: the oil collecting device is characterized in that a drain outlet is formed in the bottom of the water collecting box (2), a drain electromagnetic valve (10) is arranged in the drain outlet, an oil discharge port (11) is formed in the upper end of one side of the oil collecting box (1), a water discharge port is formed in the lower end of the oil collecting box, a drain electromagnetic valve (12) is arranged in the water discharge port, an upper water level probe (13) is arranged at the upper end of the other side of the oil collecting box (1), and a lower water level probe (14) is arranged at the lower end of the oil collecting box.

3. The rotary drum type high-efficiency oil-water separation device as claimed in claim 1, wherein: one side of the oil collecting box (1) close to the oil outlet (11) is provided with a water retaining sheet (15).

4. The rotary drum type high-efficiency oil-water separation device as claimed in claim 1, wherein: the inertia blow-down valve (8) comprises a one-way valve (16) for shielding a blow-down port (18) of the rotary drum, one end of the one-way valve (16) is rotatably connected with the bottom of the rotary drum (3), and the other end of the one-way valve is positioned through a clamping seat (17).