Separation treatment device for oily sewage

Abstract

The invention belongs to the technical field of sewage treatment, and particularly relates to an oily sewage separation treatment device which comprises a fixed cylinder, an inflator pump, a power mechanism and a separation mechanism, a dynamic balance is kept between the sewage discharge amount and the sewage inlet amount, a conical area with the axis coinciding with the axis of the fixed cylinder is formed when oil dirt rises, the oil dirt cannot flow outwards along with the sewage and is gathered and condensed on the surface of the sewage to form an oil slick area, and when the surface height of the oil slick exceeds the oil passing hole, the oil slick flows to the flow distribution plate; the oil is discharged through the oil discharge pipe structure; when the stirring structure rotates in the forward direction, a cylindrical mixing area is formed at the bottom of the fixed barrel, so that oil stains on the surfaces of particle impurities fully act with bubbles, and the oil stains on the surfaces of the particle impurities are separated from the particle impurities; the sewage and the particle impurities in the cylindrical mixing area flow into the separation mechanism, the separation mechanism separates the particle impurities in the sewage, and the operation is repeated to separate the oil stains and the particle impurities in the sewage.

Description

Technical Field

[0001] The present invention belongs to the technical field of sewage treatment, and specifically relates to a separation and treatment device for oily sewage. Background Art

[0002] Sewage is generated in production and living activities. Many sewage contains oil stains and particulate impurities. Direct discharge of sewage with oil stains will cause environmental pollution, and particulate impurities are also likely to cause blockage of the discharge pipeline. Generally, a separation and treatment device is used to separate the oil stains and particulate impurities in the sewage before sewage discharge.

[0003] There is also oil stain adhered to the surface of particulate impurities. The current separation and treatment device can only effectively separate the oil stain in the liquid, and cannot effectively separate the oil stain adhered to the particulate impurities. Environmental pollution is likely to be caused after the particulate impurities are discharged. Summary of the Invention

[0004] In order to make up for the deficiencies of the prior art, the present invention provides a separation and treatment device for oily sewage. The present invention is mainly used to solve the problem that the current separation and treatment device cannot effectively separate the oil stain adhered to the particulate impurities, and environmental pollution is likely to be caused after the particulate impurities are discharged.

[0005] The technical solution adopted by the present invention to solve its technical problems is: The present invention provides a separation and treatment device for oily sewage, including a fixed cylinder, an inflation cylinder, a power mechanism and a separation mechanism;

[0006] The separation mechanism is connected above the fixed cylinder; a horn-shaped flow dividing plate is fixed in the fixed cylinder; an oil passing hole is provided in the middle of the flow dividing plate; a water inlet pipe structure, an oil discharge pipe structure and a drain pipe structure are provided on the side wall of the fixed cylinder; the oil discharge pipe structure is arranged above the flow dividing plate; the drain pipe structure is arranged below the flow dividing plate;

[0007] The inflation cylinder is rotatably connected in the fixed cylinder; a stirring structure is provided on the outer wall of the inflation cylinder; the stirring structure is inclined; a connecting groove is provided on the stirring structure; air holes are evenly spaced on the stirring structure; the inflation cylinder is communicated with a gas source;

[0008] Water passing holes are evenly spaced on the bottom surface of the fixed cylinder; a first sealing member is slidably connected to the lower end of the fixed cylinder; the first sealing member is connected to the inflation cylinder through a driving member; the driving member is used to change the position of the first sealing member;

[0009] The separation mechanism is used to separate the particulate impurities in the sewage; the power mechanism is used to drive the inflation cylinder to rotate.

[0010] Preferably, the separation mechanism includes a connecting cylinder, a funnel, a filtering member, a sliding frame, a rotating cylinder, a connecting shaft, a fixing ring, a second seal, and a frame body;

[0011] The fixing cylinder and the connecting cylinder are fixedly connected to the frame body; the funnel is fixedly connected to the lower end of the fixing cylinder; the filtering member is fixedly connected to the upper end of the connecting cylinder; a water outlet pipe structure is provided at the upper end of the connecting cylinder;

[0012] The sliding frame is slidably connected to the frame body; a circular plate structure is provided at the upper end of the sliding frame; an annular seal is fixedly connected to the side wall of the circular plate structure;

[0013] The rotating cylinder is rotatably connected to the circular plate structure; the connecting shaft is slidably connected to the rotating cylinder;

[0014] The fixing ring is fixedly connected to the upper end of the connecting shaft; a scraping structure is provided in the circumferential direction of the fixing ring; the upper end of the connecting shaft is rotatably connected to the second seal;

[0015] The separation mechanism further includes a first power assembly, a second power assembly, and a third power assembly; the first power assembly is used to change the relative position between the fixing ring and the circular plate structure; the second power assembly is used to drive the sliding frame to move up and down; the third power assembly is used to drive the rotating cylinder to rotate.

[0016] Preferably, the first power assembly includes a rotating member, a first elastic member, a limiting member, a first threaded shaft, and a fourth motor;

[0017] The rotating member is rotatably connected to the sliding frame; an annular limiting groove is provided on the outer wall of the connecting shaft; the lower end of the connecting shaft is slidably connected to the rotating member; the rotating member and the connecting shaft rotate synchronously;

[0018] An upper installation groove is provided at the lower end of the connecting shaft; a lower installation groove is provided at the lower end of the rotating member; the first elastic member is arranged in the lower installation groove; the upper end of the first elastic member abuts in the upper installation groove; the lower end of the first elastic member abuts in the lower installation groove;

[0019] The limiting member is slidably connected to the upper end of the rotating member; a limiting structure is provided at one end of the limiting member; the other end of the limiting member is threadedly connected to the first threaded shaft; the first threaded shaft is rotatably connected to the rotating member; the fourth motor is fixedly connected to the rotating member; the first threaded shaft and the rotating shaft of the fourth motor rotate synchronously.

[0020] Preferably, an annular ramp structure is provided on the lower side wall of the annular limiting groove.

[0021] Preferably, a No. 1 rotating groove is provided on the bottom surface of the fixed cylinder; an axial structure is provided at the lower end of the inflatable cylinder; the axial structure passes through the No. 1 rotating groove; the outer wall of the axial structure is sealed and connected to the inner wall of the No. 1 rotating groove;

[0022] The shaft-shaped structure is provided with a driving groove; the driving groove comprises a spiral portion, an upper annular portion and a lower annular portion; the upper end of the spiral portion is communicated with the upper annular portion; the lower end of the spiral portion is communicated with the lower annular portion;

[0023] The No. 1 sealing member includes a No. 1 annular structure and a No. 1 sealing structure; the No. 1 sealing structure is evenly spaced on the No. 1 annular structure; the driving member is connected to the inner wall of the No. 1 annular structure; the shaft-like structure is in contact with the inner hole of the No. 1 annular structure; and the driving member is in contact with the driving groove.

[0024] Preferably, a No. 2 elastic member is provided above the No. 1 annular structure; the lower end of the No. 2 elastic member is fixedly connected to the upper end surface of the No. 1 annular structure; the upper end of the No. 2 elastic member is fixedly connected to the lower end of the fixed tube.

[0025] Preferably, a No. 3 rotating groove is provided in the middle of the circular plate structure; the No. 3 rotating groove is rotatably connected to the rotating cylinder; the gap between the outer wall of the rotating cylinder and the inner wall of the No. 3 rotating groove is sealed by a No. 3 seal; the gap between the outer wall of the connecting shaft and the inner wall of the rotating cylinder is sealed and connected by a No. 4 seal.

[0026] Preferably, the power mechanism includes a No. 1 motor and a No. 1 transmission member; the No. 1 motor is fixedly connected to the frame; and the transmission member No. 1 is used to transmit power between the inflatable cylinder and the rotating shaft of the No. 1 motor.

[0027] Preferably, the second power assembly includes a second threaded shaft, a second motor and a second transmission member;

[0028] The second threaded shaft is symmetrically arranged on the frame; the second threaded shaft is rotatably connected to the frame; the second threaded shaft is threadedly connected to the sliding frame;

[0029] The frame is fixedly connected to the No. 2 motor; the two No. 2 threaded shafts and the rotating shaft of the No. 2 motor are transmitted via the No. 2 transmission member.

[0030] Preferably, the No. 3 power assembly includes a No. 3 motor, a No. 3 gear and a No. 4 gear; the No. 3 motor is fixedly connected to the sliding frame; the No. 3 gear is fixedly connected to the rotating shaft of the No. 3 motor; the No. 4 gear is fixedly connected to the rotating cylinder; and the No. 4 gear is meshed with the No. 3 gear.

[0031] The beneficial effects of the present invention are as follows:

[0032] 1. In the present invention, the sewage discharge amount and the inflow amount maintain a dynamic balance. When the oil stain rises, a conical area is formed in the sewage with its axis coinciding with the axis of the fixed cylinder. When the sewage flows out through the drain pipe structure, the oil stain does not flow outwards with the sewage, but continuously moves upwards and finally gathers and condenses on the sewage surface to form an oil slick area. When the surface height of the oil slick exceeds the oil passing hole, the oil slick will flow from the oil passing hole to the diversion plate and be discharged through the oil discharge pipe structure, achieving the purpose of removing the oil stain; when the stirring structure rotates forward, a cylindrical mixing area is formed at the bottom of the fixed cylinder, enabling the oil stain on the surface of the particulate impurities to fully interact with the bubbles, so that the oil stain on the surface of the particulate impurities detaches from the particulate impurities; the sewage and particulate impurities in the cylindrical mixing area flow through the water passing holes into the separation mechanism, and the separation mechanism separates the particulate impurities in the sewage. Repeating the above operations separates the oil stain and particulate impurities in the sewage.

[0033] 2. Before the power mechanism drives the air inflation cylinder to rotate in the reverse direction, the circular plate structure abuts against the lower end of the connecting cylinder to block the lower opening of the connecting cylinder, so that the sewage enters the funnel through the water passing holes and then enters the connecting cylinder through the lower outlet of the funnel. After the first seal blocks the water passing holes, the distance between the fixed ring and the circular plate structure reaches the maximum. At this time, the scraping structure abuts against the lower surface of the filter element, and the second seal abuts against the lower opening of the funnel to block the lower opening of the funnel. Then, it drives the circular plate structure to move upwards, increasing the sewage pressure, so that the sewage moves upwards through the filter element and is discharged through the water outlet pipe structure, while the particulate impurities are blocked by the filter element in the connecting cylinder, realizing the separation of particulate impurities in the sewage; when separating the particulate impurities, the scraping structure scrapes the particulate impurities on the surface of the filter element to prevent the particulate impurities from hindering the flow of sewage through the filter element; after the sewage in the connecting cylinder is completely discharged, the scraping structure abuts against the surface of the circular plate structure, driving the sliding frame to move down to the lowest position. The scraping structure drives the particulate impurities on the circular plate structure to rotate, generating centrifugal force on the particulate impurities, so that the particulate impurities leave the circular plate structure, cleaning the particulate impurities on the circular plate structure.

[0034] 3. In the present invention, the fourth motor drives the first threaded shaft to rotate, driving the limiting member to move, so that the limiting structure abuts against the annular limiting groove, and the relative height between the connecting shaft and the sliding frame remains unchanged, making the fixed ring abut against the surface of the circular plate structure; the fourth motor drives the first threaded shaft to rotate in the reverse direction, driving the limiting member to move in the reverse direction, so that the limiting structure disengages from the annular limiting groove. Under the elastic force of the first elastic member, the connecting shaft moves upwards, making the distance between the fixed ring and the circular plate structure reach the maximum.

[0035] 4. In the present invention, when there are many particulate impurities and the sewage in the connecting cylinder is completely discharged, there is a distance between the fixed ring and the circular plate structure. When the limiting member moves, the limiting structure abuts against the annular slope structure, and the limiting structure exerts a force on the annular slope structure, causing the annular slope structure to move downward, causing the connecting shaft to move downward, so that the limiting structure finally abuts against the annular limiting groove, and the scraping structure abuts against the circular plate structure, improving the adaptability of the separation mechanism.

[0036] 5. When the inflating cylinder starts to rotate in the reverse direction, when the communication part between the spiral part and the upper annular part rotates to the position of the driving member, the driving member enters the spiral part, causing the driving member to move downward. When the communication part between the spiral part and the lower annular part rotates to the position of the driving member, the driving member enters the lower annular part, and the first sealing member moves to the lowest position, and the first sealing structure disengages from the water passing hole, opening the water passing hole; after the opening time of the water passing hole reaches the set value, when the inflating cylinder starts to rotate in the forward direction, when the communication part between the spiral part and the lower annular part rotates to the position of the driving member, the driving member enters the spiral part, causing the driving member to move upward. When the communication part between the spiral part and the upper annular part rotates to the position of the driving member, the driving member enters the upper annular part. At this time, the first sealing member moves to the highest position, and the first sealing structure abuts against the water passing hole to block the water passing hole; when the first sealing member moves to the highest position, the upper surface of the first sealing structure is coplanar with the bottom surface of the fixed cylinder, preventing particulate impurities adhered with oil stains from accumulating in the water passing hole and preventing particulate impurities adhered with oil stains in the water passing hole from directly entering the connecting cylinder. BRIEF DESCRIPTION OF THE DRAWINGS

[0037] The present invention will be further described below with reference to the accompanying drawings.

[0038] Figure 1 is the overall structural schematic diagram of the treatment device in the present invention;

[0039] Figure 2 is the internal structural schematic diagram of the treatment device in the present invention;

[0040] Figure 3 is the schematic diagram of the scraping structure abutting against the lower surface of the filter element in the present invention;

[0041] Figure 4 is Figure 3 the partial enlarged view of A in

[0042] Figure 5 is Figure 3 the partial enlarged view of B in

[0043] Figure 6 is the schematic diagram of the scraping structure abutting against the surface of the circular plate structure in the present invention;

[0044] Figure 7 is Figure 6Partial enlarged view at position C in the [Chinese context];

[0045] Figure 8 It is a schematic structural diagram of the second transmission part in the present invention;

[0046] Figure 9 It is a schematic structural diagram of the stirring structure in the present invention;

[0047] Figure 10 is Figure 9 Partial enlarged view at position D in the [Chinese context];

[0048] Figure 11 It is a schematic structural diagram of the sliding frame in the present invention;

[0049] Figure 12 It is a schematic structural diagram of the fixed cylinder in the present invention;

[0050] Figure 13 It is a schematic structural diagram of the first seal in the present invention;

[0051] Figure 14 It is a schematic structural diagram of the fixed ring in the present invention;

[0052] Figure 15 It is a schematic structural diagram of the limiting part in the present invention;

[0053] Figure 16 It is a schematic structural diagram of the connecting shaft in the present invention;

[0054] Figure 17 It is a schematic diagram when the oil stain rises in the present invention;

[0055] In the figure: fixed cylinder 1, water inlet pipe structure 11, oil discharge pipe structure 12, drain pipe structure 13, water passing hole 14, first rotation groove 15, air inflation cylinder 2, stirring structure 21, connection groove 211, air hole 212, shaft-like structure 22, drive groove 221, spiral part 2211, upper annular part 2212, lower annular part 2213, power mechanism 3, first motor 31, first transmission part 32, separation mechanism 4, connection cylinder 41, water outlet pipe structure 411, funnel 42, filter part 43, sliding frame 44, circular plate structure 441, third rotation groove 4411, third seal 4412, annular seal 442, rotating cylinder 45, fourth seal 451, connection shaft 46, annular limiting groove 461, upper installation groove 462, annular slope structure 463, fixed ring 47, scraping structure 471, second seal 48, frame body 49, first power assembly 51, rotating part 511, lower installation groove 5111, first elastic part 512, limiting part 513, limiting structure 5131, first threaded shaft 514, fourth motor 515, second power assembly 52, second threaded shaft 521, second motor 522, second transmission part 523, third power assembly 53, third motor 531, third gear 532, fourth gear 533, flow dividing plate 61, oil passing hole 611, first seal 62, first annular structure 621, first sealing structure 622, second elastic part 623, drive part 63. Detailed implementation mode

[0056] In order to make the technical means, creative features, achieved purposes and effects of the present invention easy to understand, the present invention will be further described below in conjunction with the specific implementation modes.

[0057] As Figures 1 - 17 shown, a separation and treatment device for oily sewage includes a fixed cylinder 1, an air inflation cylinder 2, a power mechanism 3 and a separation mechanism 4;

[0058] The separation mechanism 4 is connected above the fixed cylinder 1; a horn-shaped flow dividing plate 61 is fixed inside the fixed cylinder 1; an oil passing hole 611 is provided in the middle of the flow dividing plate 61; a water inlet pipe structure 11, an oil discharge pipe structure 12 and a drain pipe structure 13 are provided on the side wall of the fixed cylinder 1; the oil discharge pipe structure 12 is arranged above the flow dividing plate 61; the drain pipe structure 13 is arranged below the flow dividing plate 61;

[0059] The air inflation cylinder 2 is rotatably connected inside the fixed cylinder 1; a stirring structure 21 is provided on the outer wall of the air inflation cylinder 2; the stirring structure 21 is inclined; a connection groove 211 is provided on the stirring structure 21; air holes 212 are evenly spaced on the stirring structure 21; the air inflation cylinder 2 is communicated with a gas source;

[0060] The bottom surface of the fixed cylinder 1 is evenly spaced with water passing holes 14; a first sealing member 62 is slidably connected to the lower end of the fixed cylinder 1; the first sealing member 62 is connected to the inflatable cylinder 2 through a driving member 63; the driving member 63 is used to change the position of the first sealing member 62;

[0061] The separation mechanism 4 is used to separate particulate impurities in the sewage; the power mechanism 3 is used to drive the inflatable cylinder 2 to rotate.

[0062] During operation, the staff opens the valve of the water inlet pipe structure 11 through the controller (valves are provided on both the water inlet pipe structure 11 and the drain pipe structure 13 to control the on-off of the water inlet pipe structure 11 and the drain pipe structure 13), closes the valve of the drain pipe structure 13, conveys sewage into the fixed cylinder 1 through the water inlet pipe structure 11, and at the same time makes the air source work through the controller to convey compressed gas into the inflatable cylinder 2. The compressed gas moves into the fixed cylinder 1 through the inflatable cylinder 2, the connecting groove 211, and the air holes 212, causing a large number of bubbles to appear in the sewage. The bubbles move upward in the sewage, causing the oil stains in the sewage to quickly gather and condense under the action of the bubbles to form floating oil floating on the surface of the sewage. The sewage liquid level continues to rise. At the same time, the power mechanism 3 drives the inflatable cylinder 2 to rotate forward, driving the stirring structure 21 to rotate forward. When the stirring structure 21 rotates, it accelerates the rotation of the sewage, causing the sewage and the oil stains to generate centrifugal force. Since the density of the oil stains is less than that of the sewage, the centrifugal force of the oil stains is less than that of the sewage, causing the oil stains to approach the axis of the fixed cylinder 1. When the height of the sewage liquid level reaches the set value, the centrifugal force of the upper-layer sewage and the floating oil on the surface disappears, and the upper-layer sewage liquid level is higher than the drain pipe structure 13. At this time, the controller is used to open the valve of the drain pipe structure 13, so that the sewage flows out through the drain pipe structure 13. The drainage volume of the drain pipe structure 13 per unit time is kept consistent with the water inflow volume of the water inlet pipe structure 11 per unit time. At this time, the sewage discharge volume and the inflow volume maintain a dynamic balance. The stirring structure 21 is arranged close to the bottom surface of the fixed cylinder 1. In the fixed cylinder 1, as the height increases, the centrifugal force of the sewage and the oil stains becomes smaller and smaller. Also, because the centrifugal force of the oil stains is less than that of the sewage, when the oil stains rise, a conical area is formed in the sewage with the axis coinciding with the axis of the fixed cylinder 1 (as shown in Figure 17 ), when the sewage flows out through the drain pipe structure 13, the oil stains will not flow out with the sewage but continue to move upward, and finally gather and condense on the surface of the sewage to form a floating oil area (as shown in Figure 17 ), when the surface height of the floating oil exceeds the oil passing hole 611, the floating oil will flow from the oil passing hole 611 to the flow dividing plate 61 and be discharged through the oil drain pipe structure 12 to achieve the purpose of removing oil stains; when the stirring structure 21 rotates forward, it drives the particulate impurities to move upward, forming a cylindrical mixing area at the bottom of the fixed cylinder 1 (as shown in Figure 17As shown in [figure reference], the oil stains on the surface of particulate impurities are allowed to fully interact with the bubbles, causing the oil stains on the surface of the particulate impurities to detach from the particulate impurities and finally gather and condense on the surface of the sewage to form floating oil; when the opening time of the valve of the drain pipe structure 13 reaches the set value, the valves of the water inlet pipe structure 11 and the drain pipe structure 13 are closed, and the air cylinder 2 is allowed to continue rotating forward for a period of time. Subsequently, the controller stops the air source from working. At this time, the oil stains in the sewage and the oil stains in the particulate impurities are completely detached from the sewage and gather on the surface of the sewage to form floating oil. Subsequently, the power mechanism 3 drives the air cylinder 2 to rotate in the reverse direction. At the initial stage of the reverse rotation of the air cylinder 2, the first sealing member 62 is driven to move downward through the driving member 63, causing the first sealing member 62 to move to the lowest position, opening the water passing hole 14, and allowing the sewage and particulate impurities in the cylindrical mixing area to flow into the separation mechanism 4 through the water passing hole 14. After the opening time of the water passing hole 14 reaches the set value, the power mechanism 3 drives the air cylinder 2 to rotate forward. At the initial stage of the forward rotation of the air cylinder 2, the first sealing member 62 is driven to move upward through the driving member 63, causing the first sealing member 62 to move to the highest position. The first sealing member 62 seals the water passing hole 14 (at this time, the height of the sewage is still higher than the height of the water inlet pipe structure 11). Subsequently, the valve of the water inlet pipe structure 11 is opened through the controller, allowing the sewage to continue to enter the fixed cylinder 1, and the air source is made to work. When the height of the sewage liquid level reaches the set value, the valve of the drain pipe structure 13 is opened through the controller to continue separating the oil stains in the sewage. After the first sealing member 62 seals the water passing hole 14, the separation mechanism 4 is made to work through the controller, and the separation mechanism 4 separates the particulate impurities in the sewage. Repeat the above operations to separate the oil stains and particulate impurities in the sewage;

[0063] When the stirring structure 21 rotates, the oil stains in the sewage are allowed to fully interact with the bubbles, increasing the probability of separating the oil stains from the sewage and improving the quality of oil stain separation.

[0064] The separation mechanism 4 includes a connecting cylinder 41, a funnel 42, a filtering member 43, a sliding frame 44, a rotating cylinder 45, a connecting shaft 46, a fixing ring 47, a second sealing member 48, and a frame body 49;

[0065] The frame body 49 is fixedly connected to the fixed cylinder 1 and the connecting cylinder 41; the lower end of the fixed cylinder 1 is fixedly connected to the funnel 42; the upper end of the connecting cylinder 41 is fixedly connected to the filtering member 43; the upper end of the connecting cylinder 41 is provided with a water outlet pipe structure 411;

[0066] The frame body 49 is slidably connected to the sliding frame 44; the upper end of the sliding frame 44 is provided with a circular plate structure 441; an annular sealing member 442 is fixedly connected to the side wall of the circular plate structure 441;

[0067] The rotating cylinder 45 is rotatably connected to the circular plate structure 441; the connecting shaft 46 is slidably connected within the rotating cylinder 45;

[0068] The upper end of the connecting shaft 46 is fixedly connected to the fixing ring 47; a scraping structure 471 is provided in the circumferential direction of the fixing ring 47; the upper end of the connecting shaft 46 is rotatably connected to the second seal 48;

[0069] The separation mechanism 4 further includes a first power assembly 51, a second power assembly 52 and a third power assembly 53; the first power assembly 51 is used to change the relative position between the fixing ring 47 and the circular plate structure 441; the second power assembly 52 is used to drive the sliding frame 44 to move up and down; the third power assembly 53 is used to drive the rotating cylinder 45 to rotate.

[0070] Before the power mechanism 3 drives the air inflation cylinder 2 to rotate in the reverse direction, the second power assembly 52 is made to work through the controller. The second power assembly 52 drives the sliding frame 44 to move upward, so that the circular plate structure 441 abuts against the lower end of the connecting cylinder 41 to block the lower opening of the connecting cylinder 41. Subsequently, the air inflation cylinder 2 is rotated in the reverse direction, so that the sewage enters the funnel 42 through the water passing hole 14 and enters the connecting cylinder 41 through the lower outlet of the funnel 42. After the first seal 62 blocks the water passing hole 14, the first power assembly 51 is made to work through the controller, so that the connecting shaft 46 moves upward, driving the fixing ring 47 and the second seal 48 to move upward, so that the distance between the fixing ring 47 and the circular plate structure 441 reaches the maximum. At this time, the scraping structure 471 abuts against the lower surface of the filter element 43, and the second seal 48 abuts against the lower opening of the funnel 42 to block the lower opening of the funnel 42. Subsequently, the second power assembly 52 continues to drive the sliding frame 44 to move upward, driving the circular plate structure 441 to move upward, increasing the sewage pressure, so that the sewage moves upward through the filter element 43 and is discharged through the water outlet pipe structure 411. The particulate impurities are blocked by the filter element 43 in the connecting cylinder 41, realizing the separation of particulate impurities in the sewage; when separating the particulate impurities, the third power assembly 53 is made to work through the controller. The third power assembly 53 drives the rotating cylinder 45 to rotate, drives the connecting shaft 46 to rotate, drives the fixing ring 47 to rotate, drives the scraping structure 471 to rotate, and the scraping structure 471 scrapes the particulate impurities on the surface of the filter element 43 to prevent the particulate impurities from hindering the flow of sewage through the filter element 43 (when the filter element 43 is arranged below the connecting cylinder 41, the particulate impurities will accumulate on the upper surface of the filter element 43, and even if the scraping structure 471 scrapes the particulate impurities on the surface of the filter element 43, it will cause blockage);

[0071] After the sewage in the connecting cylinder 41 is completely discharged, the controller is used to operate the first power assembly 51. The first power assembly 51 makes the fixing ring 47 abut against the surface of the circular plate structure 441, and makes the scraping structure 471 abut against the surface of the circular plate structure 441. Subsequently, the second power assembly 52 drives the sliding frame 44 to move downward to the lowest position, and the third power assembly 53 drives the connecting shaft 46 to rotate, driving the scraping structure 471 to rotate. The scraping structure 471 drives the particulate impurities on the circular plate structure 441 to rotate, causing the particulate impurities to generate centrifugal force, causing the particulate impurities to leave the circular plate structure 441, and cleaning the particulate impurities on the circular plate structure 441.

[0072] The first power assembly 51 includes a rotating member 511, a first elastic member 512, a limiting member 513, a first threaded shaft 514 and a fourth motor 515;

[0073] The rotating member 511 is rotatably connected to the sliding frame 44; an annular limiting groove 461 is provided on the outer wall of the connecting shaft 46; the lower end of the connecting shaft 46 is slidably connected to the rotating member 511; the rotating member 511 rotates synchronously with the connecting shaft 46;

[0074] An upper mounting groove 462 is provided at the lower end of the connecting shaft 46; a lower mounting groove 5111 is provided at the lower end of the rotating member 511; the first elastic member 512 is arranged in the lower mounting groove 5111; the upper end of the first elastic member 512 abuts against the upper mounting groove 462; the lower end of the first elastic member 512 abuts against the lower mounting groove 5111;

[0075] The upper end of the rotating member 511 is slidably connected to the limiting member 513; a limiting structure 5131 is provided at one end of the limiting member 513; the other end of the limiting member 513 is threadedly connected to the first threaded shaft 514; the first threaded shaft 514 is rotatably connected to the rotating member 511; the fourth motor 515 is fixedly connected to the rotating member 511; the first threaded shaft 514 rotates synchronously with the rotating shaft of the fourth motor 515.

[0076] When it is necessary to make the fixing ring 47 abut against the surface of the circular plate structure 441, the controller is used to operate the fourth motor 515. The fourth motor 515 drives the first threaded shaft 514 to rotate, driving the limiting member 513 to move, so that the limiting structure 5131 abuts against the annular limiting groove 461. The relative height between the connecting shaft 46 and the sliding frame 44 remains unchanged, and the fixing ring 47 abuts against the surface of the circular plate structure 441; after the first seal 62 seals the water passing hole 14, the fourth motor 515 drives the first threaded shaft 514 to rotate in the reverse direction, driving the limiting member 513 to move in the reverse direction, so that the limiting structure 5131 disengages from the annular limiting groove 461. Under the action of the elastic force of the first elastic member 512, the connecting shaft 46 moves upward, so that the distance between the fixing ring 47 and the circular plate structure 441 reaches the maximum.

[0077] The lower side wall of the annular limiting groove 461 is provided with an annular slope structure 463.

[0078] In the case of a large amount of particulate impurities, after the sewage in the connecting cylinder 41 is completely discharged, there is a distance between the fixed ring 47 and the circular plate structure 441. When the limiting member 513 moves, the limiting structure 5131 abuts against the annular slope structure 463. The limiting structure 5131 exerts a force on the annular slope structure 463, causing the annular slope structure 463 to move downward, causing the connecting shaft 46 to move downward, so that the limiting structure 5131 finally abuts in the annular limiting groove 461, and the scraping structure 471 abuts against the circular plate structure 441, improving the adaptability of the separation mechanism 4.

[0079] A first rotating groove 15 is provided on the bottom surface of the fixed cylinder 1; a shaft-like structure 22 is provided at the lower end of the inflatable cylinder 2; the shaft-like structure 22 passes through the first rotating groove 15; the outer wall of the shaft-like structure 22 is hermetically connected to the inner wall of the first rotating groove 15;

[0080] A driving groove 221 is provided on the shaft-like structure 22; the driving groove 221 includes a spiral portion 2211, an upper annular portion 2212 and a lower annular portion 2213; the upper end of the spiral portion 2211 communicates with the upper annular portion 2212; the lower end of the spiral portion 2211 communicates with the lower annular portion 2213;

[0081] The first seal 62 includes a first annular structure 621 and a first sealing structure 622; the first sealing structures 622 are uniformly spaced on the first annular structure 621; a driving member 63 is connected to the inner wall of the first annular structure 621; the shaft-like structure 22 abuts in the inner hole of the first annular structure 621; the driving member 63 abuts in the driving groove 221.

[0082] When the inflatable cylinder 2 starts to rotate in the reverse direction, the driving member 63 abuts in the upper annular portion 2212. When the communicating portion of the spiral portion 2211 and the upper annular portion 2212 rotates to the position of the driving member 63, the driving member 63 enters the spiral portion 2211. The inner wall of the spiral portion 2211 exerts a force on the driving member 63, causing the driving member 63 to move downward, driving the first annular structure 621 to move downward. When the communicating portion of the spiral portion 2211 and the lower annular portion 2213 rotates to the position of the driving member 63, the driving member 63 enters the lower annular portion 2213, keeping the height of the driving member 63 unchanged. At this time, the first annular structure 621 moves to the lowest position, the first seal 62 moves to the lowest position, and the first sealing structure 622 disengages from the water passing hole 14, opening the water passing hole 14 (when the inflatable cylinder 2 continues to rotate in the reverse direction, the height of the driving member 63 remains unchanged, and the first sealing structure 622 remains unchanged);

[0083] After the opening time of the water passing hole 14 reaches the set value and the air pump 2 starts to rotate forward, the driving member 63 abuts against the lower annular portion 2213. When the communication portion between the spiral portion 2211 and the lower annular portion 2213 rotates to the position of the driving member 63, the driving member 63 enters the spiral portion 2211. The inner wall of the spiral portion 2211 exerts a force on the driving member 63, causing the driving member 63 to move upward, driving the first annular structure 621 to move upward. When the communication portion between the spiral portion 2211 and the upper annular portion 2212 rotates to the position of the driving member 63, the driving member 63 enters the upper annular portion 2212, keeping the height of the driving member 63 unchanged. At this time, the first seal 62 moves to the highest position, and the first sealing structure 622 abuts against the water passing hole 14 to block the water passing hole 14 (the air pump 2 continues to rotate forward, the height of the driving member 63 remains unchanged, and the first sealing structure 622 remains unchanged);

[0084] When the first seal 62 moves to the highest position, the upper surface of the first sealing structure 622 is coplanar with the bottom surface of the fixed cylinder 1, preventing particulate impurities adhered with oil stains from accumulating in the water passing hole 14 and preventing particulate impurities adhered with oil stains in the water passing hole 14 from directly entering the connecting cylinder 41.

[0085] Above the first annular structure 621, there is a second elastic member 623; the lower end of the second elastic member 623 is fixedly connected to the upper end surface of the first annular structure 621; the upper end of the second elastic member 623 is fixedly connected to the lower end of the fixed cylinder 1.

[0086] When the communication portion between the spiral portion 2211 and the upper annular portion 2212 rotates to the position of the driving member 63, the second elastic member 623 exerts an elastic force on the first annular structure 621, generating a downward force on the first annular structure 621 and a downward force on the driving member 63, enabling the driving member 63 to reliably enter the spiral portion 2211. When the communication portion between the spiral portion 2211 and the lower annular portion 2213 rotates to the position of the driving member 63, the second elastic member 623 exerts a pulling force on the first annular structure 621, generating an upward force on the first annular structure 621 and an upward force on the driving member 63, enabling the driving member 63 to reliably enter the spiral portion 2211 and improving the reliability of the driving member 63 during operation.

[0087] In the middle of the circular plate structure 441, there is a third rotating groove 4411; a rotating cylinder 45 is rotatably connected in the third rotating groove 4411; the gap between the outer wall of the rotating cylinder 45 and the inner wall of the third rotating groove 4411 is sealed by a third seal 4412; the gap between the outer wall of the connecting shaft 46 and the inner wall of the rotating cylinder 45 is hermetically connected by a fourth seal 451.

[0088] The No. 3 seal 4412 seals the gap between the outer wall of the rotating cylinder 45 and the inner wall of the No. 3 rotating groove 4411 to prevent sewage from leaking through the gap between the outer wall of the rotating cylinder 45 and the inner wall of the No. 3 rotating groove 4411; the No. 4 seal 451 seals the gap between the outer wall of the connecting shaft 46 and the inner wall of the rotating cylinder 45 to prevent sewage from leaking through the gap between the outer wall of the connecting shaft 46 and the inner wall of the rotating cylinder 45.

[0089] The power mechanism 3 includes a No. 1 motor 31 and a No. 1 transmission member 32; the No. 1 motor 31 is fixedly connected to the frame 49; the air inflation cylinder 2 is driven by the No. 1 transmission member 32 between the rotating shaft of the No. 1 motor 31.

[0090] By the controller, the No. 1 motor 31 works, and the No. 1 motor 31 drives the air inflation cylinder 2 to rotate through the No. 1 transmission member 32, realizing the rotation of the air inflation cylinder 2.

[0091] The No. 2 power assembly 52 includes a No. 2 threaded shaft 521, a No. 2 motor 522 and a No. 2 transmission member 523;

[0092] The No. 2 threaded shafts 521 are symmetrically arranged on the frame 49; the No. 2 threaded shaft 521 is rotatably connected to the frame 49; the No. 2 threaded shaft 521 is threadedly connected to the sliding frame 44;

[0093] The No. 2 motor 522 is fixedly connected to the frame 49; the two No. 2 threaded shafts 521 are driven by the No. 2 transmission member 523 between the rotating shafts of the No. 2 motor 522.

[0094] By the controller, the No. 2 motor 522 works, and the No. 2 motor 522 drives the two No. 2 threaded shafts 521 to rotate through the No. 2 transmission member 523, driving the sliding frame 44 to move, realizing the movement of the sliding frame 44.

[0095] The No. 3 power assembly 53 includes a No. 3 motor 531, a No. 3 gear 532 and a No. 4 gear 533; the No. 3 motor 531 is fixedly connected to the sliding frame 44; the No. 3 gear 532 is fixedly connected to the rotating shaft of the No. 3 motor 531; the No. 4 gear 533 is fixedly connected to the rotating cylinder 45; the No. 4 gear 533 meshes with the No. 3 gear 532.

[0096] By the controller, the No. 3 motor 531 works, the No. 3 motor 531 drives the No. 3 gear 532 to rotate, drives the No. 4 gear 533 to rotate, and drives the rotating cylinder 45 to rotate, realizing the rotation of the rotating cylinder 45.

[0097] The embodiments of the present invention have been described above in conjunction with the accompanying drawings. However, the present invention is not limited to the above specific embodiments. The above specific embodiments are merely illustrative rather than restrictive. Under the inspiration of the present invention, those of ordinary skill in the art can also make many forms without departing from the spirit of the present invention and the scope protected by the claims. All of these are within the protection scope of the present invention.

Claims

1. A separation and treatment device for oily wastewater, characterized in that: It comprises a fixing cylinder (1), an inflation cylinder (2), a power mechanism (3) and a separation mechanism (4); The upper part of the separation mechanism (4) is connected to the fixed cylinder (1); a trumpet-shaped diverter plate (61) is fixed in the fixed cylinder (1); an oil through hole (611) is provided in the middle of the diverter plate (61); a water inlet pipe structure (11), an oil discharge pipe structure (12) and a water discharge pipe structure (13) are provided on the side wall of the fixed cylinder (1); the oil discharge pipe structure (12) is arranged above the diverter plate (61); and the water discharge pipe structure (13) is arranged below the diverter plate (61); The fixed cylinder (1) is rotatably connected to the inflatable cylinder (2); a stirring structure (21) is provided on the outer wall of the inflatable cylinder (2); the stirring structure (21) is inclined; a connecting groove (211) is provided on the stirring structure (21); air holes (212) are evenly spaced on the stirring structure (21); the inflatable cylinder (2) is connected to an air source; The bottom surface of the fixed cylinder (1) is evenly spaced with water holes (14); the lower end of the fixed cylinder (1) is slidably connected to a No. 1 sealing member (62); the No. 1 sealing member (62) is connected to the inflation cylinder (2) via a driving member (63); the driving member (63) is used to change the position of the No. 1 sealing member (62); The separation mechanism (4) is used to separate the granular impurities in the sewage; and the power mechanism (3) is used to drive the inflation cylinder (2) to rotate.

2. The oily wastewater separation and treatment device according to claim 1 is characterized in that: The separation mechanism (4) comprises a connecting cylinder (41), a funnel (42), a filter element (43), a sliding frame (44), a rotating cylinder (45), a connecting shaft (46), a fixing ring (47), a second sealing element (48) and a frame (49); The frame (49) is fixedly connected to the fixed cylinder (1) and the connecting cylinder (41); the lower end of the fixed cylinder (1) is fixedly connected to the funnel (42); the upper end of the connecting cylinder (41) is fixedly connected to the filter element (43); and a water outlet pipe structure (411) is provided at the upper end of the connecting cylinder (41); The frame body (49) is slidably connected to the sliding frame (44); a circular plate structure (441) is provided at the upper end of the sliding frame (44); an annular sealing member (442) is fixedly connected to the side wall of the circular plate structure (441); The circular plate structure (441) is rotatably connected to the rotating cylinder (45); the rotating cylinder (45) is slidably connected to the connecting shaft (46); The upper end of the connecting shaft (46) is fixedly connected to the fixing ring (47); a scraping structure (471) is provided in the circumferential direction of the fixing ring (47); the upper end of the connecting shaft (46) is rotatably connected to the second sealing member (48); The separation mechanism (4) further comprises a power assembly No. 1 (51), a power assembly No. 2 (52) and a power assembly No. 3 (53); the power assembly No. 1 (51) is used to change the relative position between the fixed ring (47) and the circular plate structure (441); the power assembly No. 2 (52) is used to drive the sliding frame (44) to move up and down; the power assembly No. 3 (53) is used to drive the rotating cylinder (45) to rotate.

3. The oily wastewater separation and treatment device according to claim 2 is characterized in that: The first power assembly (51) comprises a rotating member (511), a first elastic member (512), a limiting member (513), a first threaded shaft (514) and a fourth motor (515); The sliding frame (44) is rotatably connected to the rotating member (511); an annular limiting groove (461) is provided on the outer wall of the connecting shaft (46); the lower end of the connecting shaft (46) is slidably connected to the rotating member (511); the rotating member (511) and the connecting shaft (46) rotate synchronously; The lower end of the connecting shaft (46) is provided with an upper mounting groove (462); the lower end of the rotating member (511) is provided with a lower mounting groove (5111); the first elastic member (512) is arranged in the lower mounting groove (5111); the upper end of the first elastic member (512) abuts in the upper mounting groove (462); the lower end of the first elastic member (512) abuts in the lower mounting groove (5111); The upper end of the rotating member (511) is slidably connected to the limiting member (513); one end of the limiting member (513) is provided with a limiting structure (5131); the other end of the limiting member (513) is threadedly connected to the No. 1 threaded shaft (514); the No. 1 threaded shaft (514) is rotatably connected to the rotating member (511); the No. 4 motor (515) is fixedly connected to the rotating member (511); the No. 1 threaded shaft (514) rotates synchronously with the rotating shaft of the No. 4 motor (515).

4. The separation and treatment device for oily wastewater according to claim 3 is characterized in that: An annular slope structure (463) is provided on the lower side wall of the annular limiting groove (461).

5. The separation and treatment device for oily wastewater according to claim 4 is characterized in that: A first rotating groove (15) is provided on the bottom surface of the fixed cylinder (1); an axial structure (22) is provided at the lower end of the inflatable cylinder (2); the axial structure (22) passes through the first rotating groove (15); the outer wall of the axial structure (22) is sealedly connected to the inner wall of the first rotating groove (15); The shaft-like structure (22) is provided with a driving groove (221); the driving groove (221) comprises a spiral portion (2211), an upper annular portion (2212) and a lower annular portion (2213); the upper end of the spiral portion (2211) is in communication with the upper annular portion (2212); the lower end of the spiral portion (2211) is in communication with the lower annular portion (2213); The No. 1 sealing member (62) comprises a No. 1 annular structure (621) and a No. 1 sealing structure (622); the No. 1 sealing structure (622) is evenly spaced on the No. 1 annular structure (621); the driving member (63) is connected to the inner wall of the No. 1 annular structure (621); the shaft-like structure (22) is in contact with the inner hole of the No. 1 annular structure (621); and the driving member (63) is in contact with the driving groove (221).

6. The separation and treatment device for oily wastewater according to claim 5 is characterized in that: A second elastic member (623) is provided above the first annular structure (621); the lower end of the second elastic member (623) is fixedly connected to the upper end surface of the first annular structure (621); and the upper end of the second elastic member (623) is fixedly connected to the lower end of the fixed cylinder (1).

7. The separation and treatment device for oily wastewater according to claim 6 is characterized in that: A No. 3 rotating groove (4411) is provided in the middle of the circular plate structure (441); the No. 3 rotating groove (4411) is rotatably connected to the rotating cylinder (45); the gap between the outer wall of the rotating cylinder (45) and the inner wall of the No. 3 rotating groove (4411) is sealed by a No. 3 sealing member (4412); the gap between the outer wall of the connecting shaft (46) and the inner wall of the rotating cylinder (45) is sealed and connected by a No. 4 sealing member (451).

8. The separation and treatment device for oily wastewater according to claim 7 is characterized in that: The power mechanism (3) comprises a No. 1 motor (31) and a No. 1 transmission member (32); the No. 1 motor (31) is fixedly connected to the frame (49); and the inflatable cylinder (2) and the rotating shaft of the No. 1 motor (31) are transmitted via the No. 1 transmission member (32).

9. The separation and treatment device for oily wastewater according to claim 8, characterized in that: The second power assembly (52) comprises a second threaded shaft (521), a second motor (522) and a second transmission member (523); The second threaded shaft (521) is symmetrically arranged on the frame (49); the second threaded shaft (521) is rotatably connected to the frame (49); the second threaded shaft (521) is threadably connected to the sliding frame (44); The frame (49) is fixedly connected to the No. 2 motor (522); the two No. 2 threaded shafts (521) and the rotating shaft of the No. 2 motor (522) are transmitted via the No. 2 transmission member (523).

10. The separation and treatment device for oily wastewater according to claim 9, characterized in that: The No. 3 power assembly (53) comprises a No. 3 motor (531), a No. 3 gear (532) and a No. 4 gear (533); the No. 3 motor (531) is fixedly connected to the sliding frame (44); the No. 3 gear (532) is fixedly connected to the rotating shaft of the No. 3 motor (531); the No. 4 gear (533) is fixedly connected to the rotating cylinder (45); and the No. 4 gear (533) is meshed with the No. 3 gear (532).

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