Rotational flow air floatation floating oil collecting device

Abstract

The utility model relates to the field of floating oil receiving devices, and discloses a rotational flow air floatation floating oil receiving device, which comprises an upper treatment tank, a separation mechanism, an action mechanism and a straight discharge pipe, the lower end of the upper treatment tank is communicated and connected with a lower treatment tank, and the outer wall of the periphery of the lower treatment tank is fixedly connected with supporting legs; a fixing rod is fixedly connected to the lower end of the inner wall of the upper treatment tank, a limiting rod is fixedly connected to the middle of the inner wall of the upper treatment tank, connecting frames are fixedly connected to the upper end and the lower end of the outer wall of a straight discharging pipe body, and connecting hoses are connected to the upper end and the lower end of the straight discharging pipe in a penetrating mode. According to the oil-water separation device, air is injected through the air pump in the separation mechanism, the servo motor is matched to drive the stirring blade to stir, the oil-water separation speed is increased, and the floating bag fixedly connected with the rotating rod in the action mechanism moves along with the liquid level and is matched with the reset spring and the sliding block in the sliding groove, so that injection of oil-water mixed liquid is controlled.

Description

Technical Field

[0001] The utility model relates to the field of floating oil collecting devices, in particular to a cyclone air flotation floating oil collecting device. Background Art

[0002] The floating oil collection device is a collection device mainly used to collect floating oil in oily wastewater generated during the production, storage, transportation and processing of petroleum and petrochemical enterprises. It can also be used to collect oil pollution in sewage treatment systems to reduce environmental pollution, and is therefore also an environmental protection device.

[0003] However, most of the floating oil recovery devices currently available on the market are not efficient in oil-water separation and require a long time to wait for oil-water separation, resulting in reduced collection efficiency of the floating oil recovery devices. In addition, most of the floating oil recovery devices currently available on the market control the height of the liquid level by manually supervising the injection of the oil-water mixture. Human factors may lead to untimely liquid level control and poor control accuracy, which affects the collection of oil pollution by the floating oil recovery device.

[0004] Therefore, those skilled in the art provide a cyclone flotation oil recovery device to solve the problems raised in the above background technology. Utility Model Content

[0005] The purpose of the present utility model is to solve the shortcomings of the prior art and to propose a cyclone flotation floating oil collection device, which injects air through the air pump in the separation mechanism and drives the stirring blade to stir in conjunction with the servo motor, thereby accelerating the speed of oil-water separation. The float bag fixedly connected to the rotating rod in the action mechanism moves with the liquid level, and cooperates with the return spring and slider inside the slide groove to realize the control of the injection of the oil-water mixture.

[0006] To achieve the above objectives, the present invention provides the following technical solutions:

[0007] The lifting of the ...

[0008] The sealing slider slides inside the slide groove, one side of the upper end of the sealing slider is fixedly connected to a connecting block, the middle part of the upper end of the connecting block is hingedly connected to a sliding rod, the lower ends of the front end and the rear end outer wall of the rotating rod are hingedly connected to a connecting rod, the side of the connecting rod away from the center of the rotating rod is fixedly connected to the inner wall of the upper processing tank, the upper end of the rotating rod is fixedly connected to a float bag, and the lower end of the upper processing tank is provided with a separation mechanism, which includes an air injection pipe;

[0009] Through the above technical solution, the maximum rotation angle of the straight pipe along the fixed rod is limited by the limit rod fixedly connected to the middle part of the inner wall of the upper processing tank, and the float bag fixedly connected to the rotating rod in the action mechanism rises with the liquid level, so that the sliding rod sliding in the sliding groove on the rotating rod pushes the sealing slider fixedly connected to the connecting block to move in the sliding groove, blocking the water injection pipe when the liquid level reaches the maximum value, and pulling the sealing slider upward by the return spring in the sliding groove, so that the water injection pipe is kept open when the liquid level has not risen to the maximum value, thereby realizing the control of the injection of oil-water mixture.

[0010] Furthermore, a protection box is fixedly connected to the lower end of the outer wall of the front end of the upper processing tank, an air pump is provided on the inner wall of the rear end of the protection box, a protection cylinder is fixedly connected to the lower end of the lower processing tank, a servo motor is provided on the bottom surface of the interior of the protection cylinder, an output shaft of the servo motor passes through the protection cylinder and is fixedly connected to a rotating disk, the rotating disk rotates inside the lower processing tank, and a plurality of stirring blades are fixedly connected to the upper end of the rotating disk;

[0011] Through the above technical solution, air is injected into the oil-water mixture through the air injection pipe by the air pump in the protection box of the separation mechanism, and the servo motor in the protection cylinder drives the rotating disk fixedly connected to the output shaft of the servo motor to rotate, and the oil-water mixture is stirred by using multiple stirring blades fixed on the upper end of the rotating disk, so that the water with higher density gathers outward and the oil with lower density gathers toward the center. The injected air turns into tiny bubbles during the stirring process and attaches to the oil droplets, accelerating the oil droplets to float to the upper layer of the water surface, thereby accelerating the speed of oil-water separation and improving the collection efficiency of the floating oil collection device.

[0012] Furthermore, a water injection pipe is connected through the lower end of the outer wall of the other side of the upper treatment tank, and a drain valve is connected through the lower end of the outer wall of one side of the lower treatment tank;

[0013] Through the above technical solution, oil-water mixture can be injected into the interior through the water injection pipe connected to the upper treatment tank, and the treated clean water can be discharged through the open drain valve connected to the lower treatment tank.

[0014] Furthermore, the connecting frame at the lower end is hingedly connected to the fixing rod, and the connecting frame at the upper end is hingedly connected to the sewage hopper;

[0015] Through the above technical solution, the sewage hopper is hingedly connected to the connecting frame at the upper end of the straight discharge pipe, and the fixing rod is hingedly connected to the connecting frame at the lower end of the straight discharge pipe, so that it always remains perpendicular to the liquid surface under the action of the float.

[0016] Furthermore, the upper end of the connecting hose is connected to a sewage hopper, and the outer walls around the sewage hopper are fixedly connected to a plurality of floats;

[0017] Through the above technical solution, the separated oil and dirt are backflowed into the connecting hose and the straight discharge pipe through the sewage hopper connected to the connecting hose at the upper end of the straight discharge pipe, and discharged through the sewage pipe. The multiple floats around the sewage hopper can allow the sewage hopper to float on the oil-water boundary, so as to better discharge the oil and dirt.

[0018] Furthermore, the lower end of the connecting hose is connected to a sewage pipe, and the sewage pipe passes through the upper treatment tank to the outside of the upper treatment tank;

[0019] Through the above technical solution, the sewage pipe connected to the connecting hose at the lower end of the straight discharge pipe passes through the upper treatment tank to the outside of the upper treatment tank, so that the oil and dirt entering the sewage hopper can be discharged from the upper treatment tank.

[0020] Furthermore, a sliding groove is provided at the lower end of the rotating rod, and the sliding rod slides inside the sliding groove;

[0021] Through the above technical solution, the sliding rod sliding inside the sliding groove opened at the lower end of the rotating rod cooperates with the sliding rod to be hingedly connected to the connecting block, so that the displacement of the rotating rod drives the sliding rod to press down the sealing slider fixedly connected to the connecting block.

[0022] Furthermore, the air outlet of the air pump is fixedly connected to the air injection pipe, and the rear end of the air injection pipe is connected to the upper processing tank;

[0023] Through the above technical solution, the air injection pipe fixedly connected to the air outlet of the air pump is connected to the upper processing tank, so that the air pump can inject air into the oil-water mixture in the upper processing tank, and under the stirring of the stirring plate, the air turns into tiny bubbles that wrap the oil droplets, accelerating the separation of oil and water.

[0024] The utility model has the following beneficial effects:

[0025] 1. The utility model proposes a cyclone flotation floating oil collection device, which injects air into the oil-water mixture through the air injection pipe by the air pump in the protection box of the separation mechanism, cooperates with the servo motor in the protection cylinder to drive the rotating disk to rotate, and uses the stirring blade to stir the oil-water mixture, so that the water with higher density gathers outward and the oil with lower density gathers toward the center. The injected air forms tiny bubbles in the stirring process, which adhere to the oil droplets and accelerate the oil droplets to float to the upper layer of the water surface, thereby accelerating the speed of oil-water separation and improving the collection efficiency of the floating oil collection device.

[0026] 2. The utility model proposes a cyclone flotation floating oil collection device, in which a float bag fixedly connected to a rotating rod in an action mechanism moves with the liquid level rising, so that a sliding rod sliding in a sliding groove on the rotating rod pushes a sealing slider fixedly connected to a connecting block downward to move in the sliding groove, blocking the water injection pipe when the liquid level reaches the maximum value, and a return spring in the sliding groove pulls the sealing slider upward to keep the water injection pipe open when the liquid level has not risen to the maximum value, thereby avoiding untimely liquid level control caused by human factors, affecting the collection of oil pollution by the floating oil collection device, and improving the control accuracy. BRIEF DESCRIPTION OF THE DRAWINGS

[0027] Figure 1 This is a schematic diagram of the main structure of a cyclone flotation oil recovery device proposed in the utility model;

[0028] Figure 2 This is an axial cross-sectional view of a cyclonic flotation oil collecting device proposed in the utility model;

[0029] Figure 3 This is a side sectional view of a cyclone flotation oil collecting device proposed in the utility model;

[0030] Figure 4 This is an exploded view of the sealing slider, rotating rod, sewage hopper, straight pipe, limiting rod and fixing rod of a cyclone flotation oil collecting device proposed by the utility model;

[0031] Figure 5 for Figure 2 Enlarged view of point A in the middle;

[0032] Figure 6 for Figure 3 Enlarged view of point B in the middle.

[0033] Legend:

[0034] 1. Upper treatment tank; 2. Lower treatment tank; 3. Support legs; 4. Separation mechanism; 401. Protection box; 402. Air pump; 403. Air injection pipe; 404. Protection tube; 405. Servo motor; 406. Rotating disk; 407. Agitator; 5. Water injection pipe; 6. Action mechanism; 601. Slide groove; 602. Return spring; 603. Sealing slider; 604. Connecting block; 605. Slide rod; 606. Rotating rod; 607. Sliding groove; 608. Float; 609. Connecting rod; 7. Fixed rod; 8. Limit rod; 9. Straight pipe; 10. Connecting frame; 11. Connecting hose; 12. Sewage hopper; 13. Float; 14. Sewage pipe; 15. Drain valve. DETAILED DESCRIPTION

[0035] The following will be combined with the drawings in the specific embodiments of the present invention to clearly and completely describe the technical solutions in the specific embodiments of the present invention. Obviously, the specific embodiments described are only part of the specific embodiments of the present invention, not all of the specific embodiments. Based on the specific embodiments of the present invention, all other specific embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0036] Reference Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 and Figure 6 , a specific implementation method provided by the utility model:

[0037] A cyclone flotation oil collecting device comprises an upper processing tank 1, a separation mechanism 4, an action mechanism 6 and a straight pipe 9, the lower end of the upper processing tank 1 is connected to the lower processing tank 2, the outer walls of the lower processing tank 2 are fixedly connected to the support legs 3, the lower end of the inner wall of the upper processing tank 1 is fixedly connected to the fixing rod 7, the middle part of the inner wall of the upper processing tank 1 is fixedly connected to the limiting rod 8, the upper and lower ends of the outer wall of the straight pipe 9 are fixedly connected to the connecting frame 10, the upper and lower ends of the straight pipe 9 are connected to the connecting hose 11, the interior of the upper processing tank 1 is provided with an action mechanism 6, the action mechanism 6 includes a rotating rod 606, a slide groove 601 is provided at the lower end of the inner wall of the other side of the upper processing tank 1, the front end and the rear end of the top surface of the slide groove 601 are fixedly connected to the return spring 602, and the lower end of the return spring 602 is fixedly connected to the sealing slider 603;

[0038] The sealing slider 603 slides inside the slide groove 601, and one side of the upper end of the sealing slider 603 is fixedly connected to the connecting block 604, and the middle part of the upper end of the connecting block 604 is hingedly connected to the sliding rod 605. The lower ends of the front end and the rear end outer wall of the rotating rod 606 are hingedly connected to the connecting rod 609, and the side of the connecting rod 609 away from the center of the rotating rod 606 is fixedly connected to the inner wall of the upper processing tank 1. The upper end of the rotating rod 606 is fixedly connected to the float bag 608, and the lower end of the upper processing tank 1 is provided with a separation mechanism 4, and the separation mechanism 4 includes an air injection pipe 403.

[0039] The lower end of the outer wall of the other side of the upper treatment tank 1 is connected with a water injection pipe 5, and the lower end of the outer wall of one side of the lower treatment tank 2 is connected with a drain valve 15. The oil-water mixture can be injected into the interior through the water injection pipe 5 connected with the upper treatment tank 1, and the treated clean water can be discharged along the opened drain valve 15 through the drain valve 15 connected with the lower treatment tank 2. The lower end connecting frame 10 is hingedly connected to the fixed rod 7, and the upper end connecting frame 10 is hingedly connected to the sewage bucket 12. The sewage bucket 12 is hingedly connected to the connecting frame 10 at the upper end of the straight discharge pipe 9, and the fixed rod 7 is hingedly connected to the connecting frame 10 at the lower end of the straight discharge pipe 9, so that it always remains perpendicular to the liquid surface under the action of the float 13. The upper end of the upper end connecting hose 11 is connected to the sewage bucket 12, and a plurality of floats 13 are fixedly connected to the outer walls around the sewage bucket 12. The separated clean water is discharged through the sewage bucket 12 connected to the connecting hose 11 at the upper end of the straight discharge pipe 9. The oil flows back to the connecting hose 11 and the straight discharge pipe 9 and is discharged through the drain pipe 14. The multiple floats 13 around the drain bucket 12 can allow the drain bucket 12 to float at the oil-water boundary, so as to better discharge the oil. The lower end of the lower connecting hose 11 is connected with the drain pipe 14. The drain pipe 14 passes through the upper treatment tank 1 to the outside of the upper treatment tank 1. The drain pipe 14 connected to the connecting hose 11 at the lower end of the straight discharge pipe 9 passes through the upper treatment tank 1 to the outside of the upper treatment tank 1, so that the oil entering the drain bucket 12 can be discharged from the upper treatment tank 1. A sliding groove 607 is provided at the lower end of the rotating rod 606, and the sliding rod 605 slides inside the sliding groove 607. The sliding rod 605 slides inside the sliding groove 607 opened at the lower end of the rotating rod 606, and cooperates with the sliding rod 605 to be hingedly connected to the connecting block 604, so that the displacement of the rotating rod 606 drives the sliding rod 605 to press down the sealing slider 603 fixedly connected to the connecting block 604.

[0040] Reference Figure 1 、 Figure 2 、 Figure 3 and Figure 5The lower end of the outer wall of the front end of the upper treatment tank 1 is fixedly connected to a protection box 401, and the inner wall of the rear end of the protection box 401 is provided with an air pump 402. The lower end of the lower treatment tank 2 is fixedly connected to a protection cylinder 404, and the bottom surface of the protective cylinder 404 is provided with a servo motor 405. The output shaft of the servo motor 405 passes through the protection cylinder 404 and is fixedly connected to a rotating disk 406. The rotating disk 406 rotates inside the lower treatment tank 2, and a plurality of stirring blades 407 are fixedly connected to the upper end of the rotating disk 406. The air outlet of the air pump 402 is fixedly connected to the air injection pipe 403, and the rear end of the air injection pipe 403 is connected to the upper treatment tank 1 through the air injection pipe 403 fixedly connected through the air outlet of the air pump 402 is connected to the upper treatment tank 1 through the air pump 402, so that the air pump 402 can inject air into the oil-water mixture in the upper treatment tank 1, and under the stirring of the stirring blade 407, the air becomes tiny bubbles that wrap the oil droplets, thereby accelerating the separation of oil and water.

[0041] Working principle: When using the cyclone flotation oil collecting device, the staff first injects the oil-water mixture through the water injection pipe 5. At this time, the sealing slider 603 is at the upper part of the slide 601 under the action of the return spring 602, and the water injection pipe 5 remains normally open. The sewage bucket 12 and the straight discharge pipe 9 move upward in the upper treatment tank 1 as the liquid level rises along the rotation of the fixed rod 7, and the limit rod 8 limits the maximum rotation. Secondly, the air is injected into the oil-water mixture through the air injection pipe 403 through the air pump 402 in the protection box 401 in the separation mechanism 4, and the servo motor 405 in the protection cylinder 404 drives the rotating disk 406 to rotate, and the stirring blade 407 is used to stir the oil-water mixture, so that the water with higher density gathers outward and the oil with lower density gathers toward the center. The injected air forms tiny bubbles in the stirring process and adheres to the The oil droplets are accelerated to float to the upper layer of the water surface, speeding up the oil-water separation. At the same time, the float 13 on the sewage bucket 12 is used to make the sewage bucket 12 at the oil-water boundary, and the oil is discharged and collected along the connecting hose 11, the straight pipe 9 and the sewage pipe 14. Finally, when the liquid level rises to the maximum value, under the action of the float bag 608 on the rotating rod 606, the rotating rod 606 drives the slide bar 605 sliding in the sliding groove 607 to press down the sealing slider 603 fixedly connected to the connecting block 604 to move downward to block the water injection pipe 5. When waiting for the liquid level to drop, when the pulling force of the return spring 602 on the sealing slider 603 is greater than the downward pressure of the slide bar 605, the sealing slider 603 will gradually release the seal on the water injection pipe 5, so that the oil-water mixture maintains dynamic changes in the upper treatment tank 1 and the lower treatment tank 2, and the separated water is discharged along the opened drain valve 15.

[0042] Finally, it should be noted that the above is only a preferred specific implementation method of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned specific implementation methods, those skilled in the art can still modify the technical solutions described in the aforementioned specific implementation methods or make equivalent replacements for some of the technical features therein. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A cyclonic flotation oil collecting device, comprising an upper processing tank (1), a separation mechanism (4), an action mechanism (6) and a straight pipe (9), characterized in that: The lower end of the upper processing tank (1) is connected to the lower processing tank (2), and the outer walls around the lower processing tank (2) are fixedly connected to support legs (3). The lower end of the inner wall of the upper processing tank (1) is fixedly connected to a fixing rod (7), and the middle part of the inner wall of the upper processing tank (1) is fixedly connected to a limiting rod (8). The upper and lower ends of the outer wall of the straight pipe (9) are fixedly connected to a connecting frame (10), and the upper and lower ends of the straight pipe (9) are connected to a connecting hose (11). An action mechanism (6) is provided inside the upper processing tank (1), and the action mechanism (6) includes a rotating rod (606). A slide groove (601) is provided at the lower end of the inner wall on the other side of the upper processing tank (1). The front end and the rear end of the inner top surface of the slide groove (601) are fixedly connected to a reset spring (602), and the lower end of the reset spring (602) is fixedly connected to a sealing slider (603). The sealing slider (603) slides inside the slide groove (601), and a connecting block (604) is fixedly connected to one side of the upper end of the sealing slider (603), and a sliding rod (605) is hingedly connected to the middle part of the upper end of the connecting block (604). The lower ends of the front end and the rear end outer wall of the rotating rod (606) are hingedly connected to a connecting rod (609), and the side of the connecting rod (609) away from the center of the rotating rod (606) is fixedly connected to the inner wall of the upper processing tank (1), and the upper end of the rotating rod (606) is fixedly connected to a float bag (608). The lower end of the upper processing tank (1) is provided with a separation mechanism (4), and the separation mechanism (4) includes an air injection pipe (403).

2. The cyclone flotation oil collecting device according to claim 1, characterized in that: The lower end of the front end outer wall of the upper processing tank (1) is fixedly connected to a protection box (401), the inner wall of the rear end of the protection box (401) is provided with an air pump (402), the lower end of the lower processing tank (2) is fixedly connected to a protection cylinder (404), the bottom surface of the interior of the protection cylinder (404) is provided with a servo motor (405), the output shaft of the servo motor (405) passes through the protection cylinder (404) and is fixedly connected to a rotating disk (406), the rotating disk (406) rotates inside the lower processing tank (2), and the upper end of the rotating disk (406) is fixedly connected to a plurality of stirring blades (407).

3. The cyclone flotation oil collecting device according to claim 1, characterized in that: The lower end of the outer wall on the other side of the upper treatment tank (1) is connected to a water injection pipe (5), and the lower end of the outer wall on one side of the lower treatment tank (2) is connected to a drainage valve (15).

4. The cyclone flotation oil collecting device according to claim 1, characterized in that: The connecting frame (10) at the lower end is hingedly connected to the fixing rod (7), and the connecting frame (10) at the upper end is hingedly connected to the sewage hopper (12).

5. The cyclone flotation oil collecting device according to claim 1, characterized in that: The upper end of the connecting hose (11) is connected to a sewage hopper (12), and the outer walls around the sewage hopper (12) are fixedly connected to a plurality of floats (13).

6. The cyclone flotation oil collecting device according to claim 1, characterized in that: The lower end of the connecting hose (11) is connected to a sewage pipe (14), and the sewage pipe (14) passes through the upper treatment tank (1) to the outside of the upper treatment tank (1).

7. The cyclone flotation oil collecting device according to claim 1, characterized in that: A sliding groove (607) is provided at the lower end of the rotating rod (606), and the sliding rod (605) slides inside the sliding groove (607).

8. The cyclone flotation oil collecting device according to claim 2, characterized in that: The air outlet of the air pump (402) is fixedly connected to the air injection pipe (403), and the rear end of the air injection pipe (403) is connected to the upper processing tank (1).

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