An oil-water separation device for industrial wastewater

Abstract

The utility model discloses an oil -water separation device for industrial wastewater, including box, water inlet pipe, delivery pipe, oil outlet pipe, oil absorption mechanism, water inlet pipe is fixed on the lateral wall of box near top portion, the delivery pipe is fixed at the bottom of box, and the oil outlet pipe is fixed on the lateral wall of box on one side of water inlet pipe, and oil absorption mechanism is installed at the bottom of box, and oil absorption mechanism includes oil absorption roller, support frame, fixed frame, and fixed frame fixed mounting is at the top of box, and fixed frame is across whole box, and support frame is connected on fixed frame, and oil absorption roller is rotatably connected on support frame through bearing, and the top of support frame is equipped with the turntable, and the turntable is rotatably connected with fixed frame, and is equipped with gear III on the turntable, and motor III fixed connection is in fixed frame, and motor III output shaft is equipped with gear IV, and gear IV engages with gear III. The utility model can carry out the lift adjustment to oil absorption roller, can suck to the oil layer of different height, can separate the oil of wastewater top.

Description

Technical Field

[0001] This utility model belongs to the field of oil-water separation technology for industrial wastewater, and specifically relates to an oil-water separation device for industrial wastewater. Background Technology

[0002] Currently, if oily wastewater is discharged directly into the environment without proper treatment, it will cause serious pollution to soil, water bodies and the ecological environment. However, existing oil-water separation technologies leave oil residue after the water is discharged at the oil-water boundary, thus affecting the oil-water separation effect.

[0003] A search revealed an oil-water separation device for industrial wastewater with existing technology announcement number CN223150413U. This device includes a separation tank and a filter assembly installed inside the separation tank for removing solid impurities from the industrial wastewater, an oil-water separation assembly for separating water and oil from the industrial wastewater, and an air flotation assembly to assist the oil-water separation assembly. However, this process has the following drawbacks: after the oil and water separate, the upper layer of oil is difficult to drain, and oil residue remains after the water is drained from the oil-water boundary, thus affecting the oil-water separation effect.

[0004] A search revealed an oil-water separation device for industrial wastewater treatment, with prior art announcement number CN220034133U. This device includes a treatment tank with an inlet on its outer side and an outlet at its bottom, connected to the outlet. A partition and a separation plate are fitted inside the treatment tank, and a spray pipe is movably fitted inside the tank. Evenly distributed spray nozzles are located below the spray pipe. A fixing plate is fitted at the top of the partition, and a fan unit is fixedly installed on the fixing plate. The fan unit is connected to the spray pipe via a connecting pipe. However, this device has the following drawbacks: During the process of pushing oily impurities from the upper layer of wastewater through the air curtain, if the top of the separation plate is too close to the oil-water boundary, water may be carried into the oil storage tank; if the top of the separation plate is too far from the oil-water boundary, oil residue may remain inside the wastewater, affecting the oil-water separation effect. Summary of the Invention

[0005] The purpose of this invention is to overcome the shortcomings of the existing technology and provide an oil-water separation device for industrial wastewater. By utilizing the revolution and rotation of the oil suction roller, and by adjusting the height of the oil suction roller, it is possible to extract oil layers at different heights, thereby separating the oil from the top of the wastewater.

[0006] To achieve the above objectives, the technical solution adopted by this utility model is as follows:

[0007] An oil-water separation device for industrial wastewater includes a tank, an inlet pipe, an outlet pipe, an oil outlet pipe, and an oil suction mechanism. The inlet pipe is fixed to the side wall of the tank near the top. The outlet pipe is fixed to the bottom of the tank, and the oil outlet pipe is fixed to the side wall of the tank on the same side as the inlet pipe. The oil suction mechanism is installed at the bottom of the tank. Industrial wastewater enters the tank through the inlet pipe, and after oil-water separation, the upper layer of oil is discharged through the oil outlet pipe. The remaining oil is then sucked up by the oil suction mechanism, and finally the water is discharged through the outlet pipe.

[0008] The oil suction mechanism includes an oil suction roller, a support frame, and a fixed frame. The fixed frame is fixedly installed on the top of the tank and spans the entire tank. The support frame is connected to the fixed frame, and the oil suction roller is rotatably connected to the support frame via bearings. A turntable is provided on the top of the support frame, and the turntable is rotatably connected to the fixed frame. Gear III is provided on the turntable, and motor III is fixedly connected to the fixed frame. Gear IV is provided on the output shaft of motor III, and gear IV meshes with gear III. Motor III provides power to drive gear IV to rotate, gear IV drives gear III to rotate, and gear III drives the turntable to rotate. The turntable drives the support frame and the oil suction roller to rotate along the inside of the tank, thereby separating the oil from the top of the wastewater.

[0009] The support frame is provided with a connecting groove; one end of the oil suction roller is located in the connecting groove and is provided with a synchronous pulley; a motor II is provided on the top of the support frame on one side of the connecting groove, and a synchronous pulley is provided at the output of the motor II, which is connected by a synchronous belt; the motor II drives the oil suction roller to rotate through the synchronous pulley and the synchronous belt, thereby effectively sucking up the remaining oil on the top of the wastewater.

[0010] The fixed frame is equipped with a lifting mechanism; the lifting mechanism is connected to the support frame; the lifting mechanism includes a motor I, a gear I, a threaded rod, a connecting shaft, a gear II, and a guide rod; the motor I is fixed inside a protective cover above the fixed frame, and the gear I is connected to the output shaft of the motor I; the connecting shaft is rotatably connected to the fixed frame via a bearing, and the gear II is fixed to the connecting shaft; the gear II and gear I mesh; a pair of guide rods are provided, one end of the guide rod is provided with a fixed plate, and the end of the guide rod away from the fixed plate passes through the fixed frame; the threaded rod is connected to the gear II via a thread, and one end of the threaded rod is rotatably connected to the fixed plate via a bearing; a turntable is rotatably connected to the fixed plate, and the motor III is fixed to the fixed plate; the motor I provides power to drive the gear I to rotate, the gear I drives the gear II to rotate, and the gear II drives the threaded rod to move via a thread; the threaded rod drives the support frame and the guide rod to move along the guide hole on the fixed frame, thereby realizing the lifting and lowering of the oil suction roller.

[0011] The bottom of the tank is equipped with an air flotation mechanism; the air flotation mechanism includes an air inlet pipe and an air inlet plate; the air inlet plate is fixed to the bottom of the tank, one end of the air inlet pipe is connected to the air inlet plate, and the other end passes through the side wall of the tank and is connected to an external air source; the gas enters the interior of the tank through the air inlet pipe and the air inlet plate, and the air bubbles can combine with the oil droplets inside the wastewater, causing the oil droplets to move upward, thereby accelerating the rate of oil-water separation.

[0012] A cleaning mechanism is provided on one side of the oil suction roller; the cleaning mechanism includes a scraper, a collection box, a negative pressure suction pipe, a spring, a spring guide shaft, and a fixing plate; the collection box is fixed on a support frame on one side of the oil suction roller, and a guide groove is provided on the side wall of the collection box. The two ends of the scraper are movably connected in the guide groove, and one end of the scraper tip contacts the outer surface of the oil suction roller; the upper surface of the scraper is inclined towards the inside of the collection box; one end of the negative pressure suction pipe is connected to the collection box, and the other end passes through the support frame, turntable, fixing plate, and threaded rod to connect to the outside; the fixing plate is fixed inside the collection box, and several springs are provided, with both ends of the springs connected to the scraper and the fixing plate respectively; one end of the spring guide shaft is fixed to the scraper, and the other end passes through the spring and is movably connected to the fixing plate.

[0013] The advantages of this utility model compared with the prior art are as follows:

[0014] 1) In the oil suction mechanism, the power drives gear IV to rotate, gear IV drives gear III to rotate, and gear III drives the turntable to rotate. The turntable drives the support frame and the oil suction roller to rotate along the inside of the box. At the same time, motor II drives the oil suction roller to rotate through the synchronous pulley and synchronous belt. The oil suction roller rotates and contacts the oil on the top of the wastewater, so that the oil suction roller sucks up the oil. Then, when the oil suction roller rotates to the scraper position, the scraper scrapes the oil sucked up by the oil suction roller into the collection box. Thus, the oil on the top of the wastewater is separated. The spring and spring guide shaft ensure that one end of the scraper tip is always in contact with the surface of the oil suction roller.

[0015] 2) In the lifting mechanism, motor I provides power to drive gear I to rotate, gear I drives gear II to rotate, and gear II drives the threaded rod to move through the thread; the threaded rod drives the support frame and guide rod to move along the guide hole on the fixed frame, thereby realizing the lifting and lowering adjustment of the oil suction roller; furthermore, it can suck up oil layers at different heights. Attached Figure Description

[0016] Appendix Figure 1 This is a schematic diagram of the structure of an oil-water separation device for industrial wastewater according to the present invention.

[0017] Appendix Figure 2 This is a schematic diagram of the internal structure of an oil-water separation device for industrial wastewater according to this utility model.

[0018] Appendix Figure 3 This is a schematic diagram of the lifting mechanism in an oil-water separation device for industrial wastewater according to this utility model.

[0019] Appendix Figure 4 This is a schematic diagram of the oil suction mechanism of an oil-water separation device for industrial wastewater according to this utility model.

[0020] Appendix Figure 5This is a schematic diagram of the cleaning mechanism of an oil-water separation device for industrial wastewater according to this utility model. Figure 1 ;

[0021] Appendix Figure 6 This is a schematic diagram of the cleaning mechanism of an oil-water separation device for industrial wastewater according to this utility model. Figure 2 ;

[0022] In the diagram: 1. Box body; 2. Water inlet pipe; 3. Water outlet pipe; 4. Oil outlet pipe; 5. Oil suction mechanism; 501. Oil suction roller; 502. Support frame; 5021. Connecting groove; 503. Fixing frame; 504. Lifting mechanism; 5041. Motor I; 5042. Gear I; 5043. Threaded rod; 5044. Connecting shaft; 5045. Gear II; 5046. Guide rod; 5047. Fixing plate; 505. Motor II; 506. Turntable; 5061. Gear III; 507. Motor III; 5071. Gear IV; 6. Cleaning mechanism; 601. Scraper; 602. Collection box; 6021. Guide groove; 603. Negative pressure suction pipe; 604. Spring; 605. Spring guide shaft; 606. Fixing plate; 7. Air flotation mechanism; 701. Air inlet pipe; 702. Air inlet plate. Detailed Implementation

[0023] To facilitate understanding by those skilled in the art, the following is a detailed explanation in conjunction with the appendix. Figure 1-6 The technical solution of this utility model will be further described in detail below.

[0024] An oil-water separation device for industrial wastewater includes a tank 1, an inlet pipe 2, an outlet pipe 3, an oil outlet pipe 4, and an oil suction mechanism 5. The inlet pipe 2 is fixed to the side wall of the tank 1 near the top. The outlet pipe 3 is fixed to the bottom of the tank 1, and the oil outlet pipe 4 is fixed to the side wall of the tank 1 on one side of the inlet pipe 2. The oil suction mechanism 5 is installed at the bottom of the tank 1. Industrial wastewater enters the tank 1 through the inlet pipe 2, and after oil-water separation, the upper layer of oil is discharged through the oil outlet pipe 4. The remaining oil is then sucked up by the oil suction mechanism 5, and finally the water is discharged through the outlet pipe 3.

[0025] The oil suction mechanism 5 includes an oil suction roller 501, a support frame 502, and a fixing frame 503. The fixing frame 503 is fixedly installed on the top of the housing 1 and spans the entire housing 1. The support frame 502 is connected to the fixing frame 503, and the oil suction roller 501 is rotatably connected to the support frame 502 via bearings. A cooling rod is provided inside the oil suction roller 501. A turntable 506 is provided on the top of the support frame 502, and the turntable 506 is rotatably connected to the fixing frame 503. A gear III 5061 and a motor III are provided on the turntable 506. 507 is fixedly connected to the fixed frame 503. The output shaft of motor Ⅲ 507 is equipped with gear Ⅳ 5071, which meshes with gear Ⅲ 5061. Motor Ⅲ 507 provides power to drive gear Ⅳ 5071 to rotate, gear Ⅳ 5071 drives gear Ⅲ 5061 to rotate, and gear Ⅲ 5061 drives turntable 506 to rotate. Turntable 506 drives support frame 502 and oil suction roller 501 to rotate along the inside of box 1, so that oil suction roller 501 sucks up oil, thereby separating the oil from the top of the wastewater.

[0026] The support frame 502 is provided with a connecting groove 5021; one end of the oil suction roller 501 is located in the connecting groove 5021 and is provided with a synchronous pulley; a motor II 505 is provided on the top of the support frame 502 on one side of the connecting groove 5021, and a synchronous pulley is provided at the output of the motor II 505, which is connected by a synchronous belt; the motor II 505 drives the oil suction roller 501 to rotate through the synchronous pulley and the synchronous belt, thereby effectively sucking up the remaining oil on the top of the wastewater.

[0027] The fixed frame 503 is equipped with a lifting mechanism 504; the lifting mechanism 504 is connected to the support frame 502; the lifting mechanism 504 includes a motor I 5041, a gear I 5042, a threaded rod 5043, a connecting shaft 5044, a gear II 5045, and a guide rod 5046; the motor I 5041 is fixed inside a protective cover above the fixed frame 503, and the gear I 5042 is connected to the output shaft of the motor I 5041; the connecting shaft 5044 is rotatably connected to the fixed frame 503 via a bearing, and the gear II 5045 is fixed to the connecting shaft 5044; the gear II 5045 and the gear I 5042 mesh; a pair of guide rods 5046 are provided, and a fixed plate 5047 is provided at one end of each guide rod 5046, guiding... One end of rod 5046 away from fixed plate 5047 passes through fixed frame 503; threaded rod 5043 is connected to gear II 5045 by threads, and one end of threaded rod 5043 is rotatably connected to fixed plate 5047 by bearing; turntable is rotatably connected to fixed plate, and motor III is fixed to fixed plate; motor I 5041 provides power to drive gear I 5042 to rotate, gear I 5042 drives gear II 5045 to rotate, and gear II 5045 drives threaded rod 5043 to move by threads; threaded rod 5043 drives support frame 502 and guide rod 5046 to move along guide hole on fixed frame 503, thereby realizing the lifting and lowering of oil suction roller 501, and further enabling the suction of oil layers at different heights.

[0028] The bottom of the box 1 is provided with an air flotation mechanism 7; the air flotation mechanism 7 includes an air inlet pipe 701 and an air inlet plate 702; the air inlet plate 702 is fixed to the bottom of the box 1, one end of the air inlet pipe 701 is connected to the air inlet plate 702, and the other end passes through the side wall of the box 1 and is connected to an external air source; the gas enters the interior of the box 1 through the air inlet pipe 701 and the air inlet plate 702, and the air bubbles can combine with the oil droplets inside the wastewater, causing the oil droplets to move upward, thereby accelerating the rate of oil-water separation.

[0029] A cleaning mechanism 6 is provided on one side of the oil suction roller 501. The cleaning mechanism 6 includes a scraper 601, a collection box 602, a negative pressure suction pipe 603, a spring 604, a spring guide shaft 605, and a fixing plate 606. The collection box 602 is fixed on a support frame 502 on one side of the oil suction roller 501. A guide groove 6021 is provided on the side wall of the collection box 602. Both ends of the scraper 601 are movably connected in the guide groove 6021. One end of the scraper tip contacts the outer surface of the oil suction roller 501. The upper surface of the scraper 601 is inclined towards the inside of the collection box 602, so that the oil flows along the inclined surface of the scraper. One end of the negative pressure suction pipe 603 is connected to the collection box 602, and the other end passes through the support frame 502, the turntable 506, and the fixing plate 606. Disc 5047 and threaded rod 5043 are connected to the outside; fixed plate 606 is fixed inside collection box 602; several springs 604 are provided, with both ends of springs 604 connected to scraper 601 and fixed plate 606 respectively; one end of spring guide shaft 605 is fixed to scraper 601, and the other end passes through spring 604 and is movably connected to fixed plate 606; oil suction roller 501 rotates and contacts the oil on top of wastewater, so that oil suction roller 501 sucks up oil; then when oil suction roller 501 rotates to the position of scraper 601, scraper 601 scrapes the oil sucked up by oil suction roller into collection box 602; spring 604 and spring guide shaft 605 enable one end of scraper tip to always contact the surface of oil suction roller.

[0030] An oil-water separation device for industrial wastewater operates as follows: Industrial wastewater enters the tank 1 through the inlet pipe 2. After oil-water separation, the upper layer of oil is discharged through the outlet pipe 4. Then, motor III 507 provides power to drive gear IV 5071 to rotate, gear IV 5071 drives gear III 5061 to rotate, and gear III 5061 drives turntable 506 to rotate. Turntable 506 drives support frame 502 and oil suction roller 501 to rotate along the inside of the tank 1. At the same time, motor II 505 drives oil suction roller 501 to rotate through synchronous pulley and synchronous belt, thereby effectively separating the oil remaining at the top of the wastewater. Finally, the water is discharged through the outlet pipe 3.

[0031] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," "top," "bottom," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing the invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0032] In the description of this utility model, the connection methods are divided into fixed connection and movable connection. Fixed connection methods include, but are not limited to, welding and bolting; movable connection methods include, but are not limited to, sliding connection, rotating connection and threaded connection. The connection method to achieve the desired effect should be selected according to the application of the solution.

[0033] In summary, including but not limited to motor I, motor II, motor III, and their respective transmission systems, protective covers are provided according to the actual installation location to prevent external environment from causing wear or damage to the power system and transmission system, and to further ensure the normal operation of the power system and transmission system; solenoid valves are provided on the water inlet pipe, water outlet pipe, and oil outlet pipe to control the opening and closing of the water inlet pipe, water outlet pipe, and oil outlet pipe.

[0034] In summary, the electronic or electrical components, including but not limited to Motor I, Motor II, and Motor III, are existing components that were custom-made or purchased. The electrical connections between these components are conventional circuit or electrical connections in the prior art and are not within the scope of protection of this utility model.

[0035] The above description is merely an example and illustration of the structure of this utility model. Those skilled in the art can make various modifications or additions to the specific embodiments described or use similar methods to replace them, as long as they do not deviate from the structure of the utility model or exceed the scope defined in the claims, they should all fall within the protection scope of this utility model.

Claims

1. An oil-water separation device for industrial wastewater, comprising a tank, an inlet pipe, an outlet pipe, an oil outlet pipe, and an oil suction mechanism; characterized in that... The water inlet pipe is fixed to the side wall near the top of the tank; the water outlet pipe is fixed to the bottom of the tank; the oil outlet pipe is fixed to the side wall of the tank on the same side as the water inlet pipe; the oil suction mechanism is installed at the bottom of the tank. The oil suction mechanism includes an oil suction roller, a support frame, and a fixed frame. The fixed frame is fixedly installed on the top of the box and spans the entire box. The support frame is connected to the fixed frame, and the oil suction roller is rotatably connected to the support frame through bearings. A turntable is provided on the top of the support frame, and the turntable is rotatably connected to the fixed frame. Gear III is provided on the turntable, and motor III is fixedly connected to the fixed frame. Gear IV is provided on the output shaft of motor III, and gear IV meshes with gear III. A cleaning mechanism is provided on one side of the oil suction roller; the cleaning mechanism includes a scraper, a collection box, a negative pressure suction pipe, a spring, a spring guide shaft, and a fixing plate; the collection box is fixed on a support frame on one side of the oil suction roller, and a guide groove is provided on the side wall of the collection box. The two ends of the scraper are movably connected in the guide groove, and one end of the scraper tip contacts the outer surface of the oil suction roller; the upper surface of the scraper is inclined towards the inside of the collection box; one end of the negative pressure suction pipe is connected to the collection box, and the other end passes through the support frame, turntable, fixing plate, and threaded rod to connect to the outside. The fixing plate is fixed inside the collection box. Several springs are provided, with both ends of the springs connected to the scraper and the fixing plate respectively. One end of the spring guide shaft is fixed to the scraper, and the other end passes through the spring and is movably connected to the fixing plate.

2. The oil-water separation device for industrial wastewater according to claim 1, characterized in that... The support frame is provided with a connecting groove; one end of the oil suction roller is located in the connecting groove and is provided with a synchronous pulley; a motor II is provided on the top of the support frame on one side of the connecting groove, and the output of the motor II is provided with a synchronous pulley, which is connected by a synchronous belt.

3. The oil-water separation device for industrial wastewater according to claim 1, characterized in that... The fixed frame is equipped with a lifting mechanism; the lifting mechanism is connected to the support frame; the lifting mechanism includes motor I, gear I, threaded rod, connecting shaft, gear II, and guide rod; motor I is fixed inside the protective cover above the fixed frame, and gear I is connected to the output shaft of motor I; the connecting shaft is rotatably connected to the fixed frame through bearings, and gear II is fixed to the connecting shaft; gear II and gear I mesh; a pair of guide rods are provided, one end of the guide rod is provided with a fixed plate, and the end of the guide rod away from the fixed plate passes through the fixed frame; the threaded rod is connected to gear II through threads, and one end of the threaded rod is rotatably connected to the fixed plate through bearings; the turntable is rotatably connected to the fixed plate, and motor III is fixed to the fixed plate.

4. An oil-water separation device for industrial wastewater according to claim 1, characterized in that... The bottom of the enclosure is equipped with an air flotation mechanism; the air flotation mechanism includes an air inlet pipe and an air inlet plate; the air inlet plate is fixed to the bottom of the enclosure, one end of the air inlet pipe is connected to the air inlet plate, and the other end passes through the side wall of the enclosure and is connected to an external air source.

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