A water treatment device based on a biological ribbon

Abstract

The present invention relates to the technical field of sewage treatment, and discloses a water treatment device based on biological ribbons, which includes a first treatment tank and a second treatment tank. A mounting frame is fixedly connected to the top of the second treatment tank, and a plurality of ribbon components are equidistantly installed on the mounting frame. An aeration component is installed on the ribbon component. In the present invention, the vertical rotating shaft is driven by a motor to rotate, driving the first fixed sleeve and the first eccentric shaft to rotate. Through the transmission rod, the second eccentric shaft is driven, so that the vertical rotating pipe rotates reciprocally, and then drives the mounting cross bar and the biological ribbons to swing reciprocally. This structure changes the traditional static suspension method of biological ribbons, greatly increasing the contact area between the biological ribbons and the sewage, helping the microbial flora to better adsorb and degrade the pollutants in the sewage, significantly improving the sewage treatment effect. The vertical aeration pipe rotates and stays alternately, enhancing the water body mixing effect, promoting the full mixing of dissolved oxygen, nutrients and microorganisms, and improving the water body self-purification ability and treatment efficiency.

Description

Technical Field

[0001] The present invention relates to the technical field of sewage treatment, and particularly to a water treatment device based on biological ribbons. Background Art

[0002] In the critical period of water resource protection and utilization today, the effectiveness and reliability of sewage treatment technologies are crucial. In sewage treatment scenarios, when the sewage has a high content of organic pollutants, such as domestic sewage, industrial wastewater from food processing and papermaking, etc., with its chemical oxygen demand (COD) and biochemical oxygen demand (BOD) exceeding the standard; the nitrogen and phosphorus nutrient salts exceed the standard, such as agricultural non-point source pollution, urban domestic sewage and some industrial wastewater causing the risk of water eutrophication; containing some heavy metals, such as sewage generated by industries such as mining, metallurgy, and electroplating; and there are requirements for treatment cost and ecological friendliness, such as small sewage treatment plants pursuing low-cost treatment, and ecological parks, landscape water bodies, etc. expecting environmentally friendly treatment methods, biological ribbons are often required for sewage treatment. As an important part of sewage treatment, biological ribbons are mainly used to treat various pollutants in sewage, including organic matter, nitrogen, phosphorus, and heavy metals, etc. It provides an attachment site for microorganisms, and the microorganisms on the formed biofilm can decompose and metabolize organic matter, converting it into harmless carbon dioxide and water; through the action of nitrifying bacteria and denitrifying bacteria, the conversion and removal of nitrogen in sewage are achieved, converting ammonia nitrogen into nitrate nitrogen and then reducing it to nitrogen gas; by using the uptake and release of phosphorus by polyphosphate-accumulating bacteria under aerobic and anaerobic conditions, the purpose of phosphorus removal is achieved by discharging excess sludge; in addition, microorganisms can also reduce the content of heavy metals in sewage through adsorption and other effects.

[0003] However, in the prior art, there are still the following problems in the process of treating sewage with biological ribbons:

[0004] In traditional sewage treatment processes, biological ribbons are usually laid in the reaction tank in a static hanging manner, and only rely on the natural flow of sewage to come into contact with the ribbons. This static setting method makes the contact efficiency between the biological ribbons and the sewage remain at a relatively low level for a long time, and it is difficult to meet the growing sewage treatment requirements. And the removal of pollutants in sewage highly depends on the microbial flora attached to the surface of the biological ribbons. When the contact efficiency between the biological ribbons and the sewage is low and the contact area is insufficient, it is difficult for pollutant molecules to fully diffuse to the area where the microbial flora is located, which makes it difficult for microorganisms to timely adsorb organic pollutants, nitrogen, phosphorus and other nutrients in the sewage, thereby causing the degradation process to be blocked, and ultimately resulting in the sewage treatment effect failing to reach the expected standard. Summary of the Invention

[0005] In view of the problems existing in the prior art, a water treatment device based on biological ribbons is proposed.

[0006] The technical solution of the present invention is: a water treatment device based on biological streamers, comprising a first treatment tank and a second treatment tank, wherein a mounting frame is fixedly connected to the top of the second treatment tank, a plurality of streamer components are mounted on the mounting frame at equal distances, and an aeration component is mounted on the streamer components;

[0007] The described streamer component includes a vertical rotation tube, and the vertical rotation tube is rotatably connected to the mounting frame, and a plurality of streamer assemblies are arranged in an outer circumferential array of the vertical rotation tube, and the streamer assembly includes a plurality of mounting cross bars arranged at equal distances from top to bottom, one end of the mounting cross bar is fixedly connected to the outer wall of the vertical rotation tube, and the biological streamers are fixedly connected to the mounting cross bars, the upper fixed sleeve of the vertical rotation tube is provided with a second fixed sleeve, and the bottom of the second fixed sleeve is fixedly connected to the second eccentric shaft, the frame wall of the described mounting frame is fixedly connected to the motor, and a vertical rotation shaft is rotatably connected to the described mounting frame, the top of the vertical rotation shaft is fixedly connected to the rotating end of the motor, the fixed sleeve at the bottom end of the vertical rotation shaft is provided with a first fixed sleeve, and the bottom of the first fixed sleeve is fixedly connected to the first eccentric shaft, the outer rotating sleeve of the first eccentric shaft is provided with a transmission rod, and one end of the transmission rod is rotatably sleeved on the second eccentric shaft.

[0008] Preferably, the aeration component includes an air supply pipe, which is rotatably connected to the mounting frame, and the vertical rotating pipe is rotatably sleeved on the outside of the air supply pipe. The bottom end of the air supply pipe is connected to a horizontal pipe, and the upper part of the horizontal pipe is equidistantly connected to several vertical aeration pipes.

[0009] Preferably, the second treatment tank is arranged above the first treatment tank, and the lower part of one side of the first treatment tank is connected to the first drainage channel, the outlet end of the first drainage channel is located above the second treatment tank, and an adjusting component is installed on the first drainage channel. The lower side of the second treatment tank is connected to the second drainage channel.

[0010] Preferably, a sliding vertical column is provided in the vertical aeration pipe, and the sliding vertical column is slidably connected to the horizontal pipe. The top end cover of the vertical aeration pipe is provided with a sealing block, and the top end of the sliding vertical column is fixedly connected to the bottom end of the sealing block. A first spring is sleeved on the outer side of the sliding vertical column, and the bottom end of the first spring is fixedly connected to the inner wall of the horizontal pipe, and the top end of the first spring is fixedly connected to the bottom end of the sealing block.

[0011] Preferably, the upper fixed sleeve of the air supply pipe is provided with an intermittent turntable, a plurality of grooves are provided in a circular array on the outer side of the intermittent turntable, arc-shaped recesses are provided on the outer side of the intermittent turntable between two adjacent grooves, the outer fixed sleeve of the vertical shaft is provided with a toggle disk, a toggle column is fixedly connected to the lower part of the toggle disk, and an arc-shaped avoidance portion is provided on one side of the upper outer side of the toggle disk.

[0012] Preferably, the toggle post is correspondingly arranged and adapted to the groove, and the arc-shaped recess is adapted to the upper outer surface of the toggle disk.

[0013] Preferably, the adjusting member includes a valve plate which is slidably arranged inside the first drainage channel. The top end of the valve plate penetrates through the first drainage channel and extends to the outside and is fixedly connected with a cross bar. Two fixing blocks are symmetrically and fixedly connected to the outer side wall of the first drainage channel. A lifting vertical rod is slidably connected through the fixing block. The top end of the lifting vertical rod is fixedly connected with a lifting cross bar. The bottom end of the lifting vertical rod is fixedly connected with a floating block which is arranged in the second treatment tank.

[0014] Preferably, a pulley is rotatably connected to the outer side wall of the first drainage channel. An installation sleeve is fixedly connected to the outer side wall of the first drainage channel. A pull rope is fixedly connected to the bottom of the cross bar. The pull rope passes through the installation sleeve, and after passing around the pulley, the pull rope is fixedly connected to the end of the lifting cross bar. A second spring is sleeved on the outer side of the pull rope. The top end of the second spring is fixedly connected to the bottom of the cross bar, and the bottom end of the second spring is fixedly connected to the top of the installation sleeve.

[0015] Preferably, a rotary joint is fixedly connected to the top end of the air supply pipe, and a communicating pipe is communicated with the top end of the rotary joint.

[0016] Preferably, a first drainage channel is communicated with the lower part of one side of the first treatment tank. A sediment recess is arranged at the inner lower part of the first treatment tank, and a filter screen is fixedly connected to the inside of the first treatment tank.

[0017] Advantages of the present invention:

[0018] 1. In the present invention, by driving the vertical rotating shaft to rotate by a motor, the first fixed sleeve and the first eccentric shaft are driven to rotate. Through the transmission rod, the second eccentric shaft is driven, so that the vertical rotating pipe rotates reciprocally, and then the installation cross bar and the biological floating belts are driven to swing reciprocally. This structure changes the traditional static suspension mode of the biological floating belts, greatly increases the contact area between the biological floating belts and the sewage, helps the microbial flora to better adsorb and degrade the pollutants in the sewage, and significantly improves the sewage treatment effect.

[0019] 2. In the present invention, when the vertical rotating shaft rotates, the toggle disk rotates synchronously. The toggle post at its lower part cooperates with the groove on the intermittent turntable, so that the intermittent turntable rotates intermittently, driving the air supply pipe, the horizontal pipe and the vertical aeration pipe to rotate. During the rotation of the vertical aeration pipe, on the one hand, it drives the local water flow by frictional contact with the water body. On the other hand, the air jet discharged from the vertical aeration pipe promotes the water body to flow. And as the vertical aeration pipe rotates, the direction of the air jet constantly changes, stirring the water body in a larger range; the rotation and stop of the vertical aeration pipe alternate, enhancing the water body mixing effect, promoting the full mixing of dissolved oxygen, nutrients and microorganisms, and improving the water body self-purification ability and treatment efficiency.

[0020] 3. In the present invention, the adjusting component can automatically adjust the water flow rate of the first drainage channel according to the change in the water level of the second treatment tank. When the water level of the second treatment tank rises, the floating block drives the lifting vertical rod and the lifting cross rod to move upward under the buoyancy force, pulls the pull rope, and makes the valve plate move downward, reducing the water flow rate of the first drainage channel. When the water level drops, the floating block drives the relevant components to move downward due to gravity, and the second spring pushes the cross bar and the valve plate upward, increasing the water flow rate, thereby maintaining the relative balance of the water level in the second treatment tank.

[0021] 4. In the present invention, the sewage is preliminarily treated by the sedimentation recess and the filter screen in the first treatment tank. After the sewage enters the first treatment tank, the sediment settles in the sedimentation recess, and the filter screen intercepts large particle impurities, reducing the subsequent treatment burden and improving the overall treatment efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 is a schematic diagram of the overall structure of the water treatment device based on biological ribbons in the present invention;

[0023] Figure 2 is a cross-sectional view of the overall water treatment device based on biological ribbons in the present invention;

[0024] Figure 3 is a schematic diagram of a partial structure in the present invention;

[0025] Figure 4 is a schematic diagram of the structure at the ribbon component and the aeration component in the present invention;

[0026] Figure 5 is a partial cross-sectional view of the ribbon component in the present invention;

[0027] Figure 6 is a schematic diagram of the structure at the vertical rotating pipe in the present invention;

[0028] Figure 7 is a cross-sectional view of the ribbon component in the present invention;

[0029] Figure 8 is a schematic diagram of the structure at the aeration component in the present invention;

[0030] Figure 9 is a schematic diagram of the structure at the dial in the present invention;

[0031] Figure 10 is a schematic diagram of the structure at the sealing block in the present invention;

[0032] Figure 11 is an enlarged view of part B in the present invention;

[0033] Figure 12 is an enlarged view of part A in the present invention;

[0034] Figure 13Schematic structural diagram of the adjusting component in the present invention.

[0035] As shown in the figure: 1. First treatment tank; 11. First drainage channel; 12. Filter screen; 13. Precipitation recess; 2. Second treatment tank; 21. Second drainage channel; 3. Mounting frame; 4. Ribbon component; 41. Vertical rotating pipe; 42. Biological ribbon; 43. Motor; 44. Vertical rotating shaft; 45. First eccentric shaft; 46. Transmission rod; 47. Second eccentric shaft; 48. First fixing sleeve; 49. Second fixing sleeve; 410. Mounting cross bar; 5. Aeration component; 51. Air supply pipe; 52. Intermittent turntable; 53. Dialing plate; 54. Dialing column; 55. Arc-shaped avoidance part; 56. Arc-shaped recess; 57. Groove; 58. Horizontal pipe; 59. Vertical aeration pipe; 510. Sliding vertical column; 511. First spring; 512. Sealing block; 6. Adjusting component; 61. Valve plate; 62. Horizontal bar; 63. Pulling rope; 64. Second spring; 65. Fixed block; 66. Lifting vertical rod; 67. Lifting cross bar; 68. Floating block; 69. Pulley; 610. Mounting sleeve; 7. Rotary joint; 8. Connecting pipe. Detailed implementation manners

[0036] To make the above objects, features and advantages of the present invention more obvious and understandable, the following detailed description of the specific implementation manners of the present invention will be given with reference to the accompanying drawings of the specification.

[0037] Embodiment 1

[0038] Referring to Figures 1 to 9 , a water treatment device based on biological ribbons is provided, which includes a first treatment tank 1 and a second treatment tank 2. A mounting frame 3 is fixedly connected to the top of the second treatment tank 2. A plurality of ribbon components 4 are equidistantly mounted on the mounting frame 3, and an aeration component 5 is mounted on the ribbon component 4. The ribbon component 4 includes a vertical rotating pipe 41, and the vertical rotating pipe 41 is rotatably connected to the mounting frame 3. A plurality of groups of ribbon assemblies are circumferentially arranged on the outer circumference of the vertical rotating pipe 41. Each ribbon assembly includes a plurality of mounting cross bars 410 arranged equidistantly from top to bottom. One end of the mounting cross bar 410 is fixedly connected to the outer wall of the vertical rotating pipe 41, and biological ribbons 42 are fixedly connected to the mounting cross bars 410. A second fixing sleeve 49 is fixedly sleeved on the upper part of the vertical rotating pipe 41. A second eccentric shaft 47 is fixedly connected to the bottom of the second fixing sleeve 49. A motor 43 is fixedly connected to the wall of the mounting frame 3. The motor 43 is connected to an external control switch through a wire. The motor 43 is controlled to work through the external control switch. A vertical rotating shaft 44 is rotatably connected through the mounting frame 3. The top end of the vertical rotating shaft 44 is fixedly connected to the rotating end of the motor 43. A first fixing sleeve 48 is fixedly sleeved on the bottom end of the vertical rotating shaft 44. A first eccentric shaft 45 is fixedly connected to the bottom of the first fixing sleeve 48. A transmission rod 46 is rotatably sleeved on the outside of the first eccentric shaft 45. One end of the transmission rod 46 is rotatably sleeved on the second eccentric shaft 47.

[0039] Further, the second treatment tank 2 is arranged above the first treatment tank 1. A first drainage channel 11 is connected to the lower part of one side of the first treatment tank 1. The outlet end of the first drainage channel 11 is located above the second treatment tank 2. An adjusting component 6 is installed on the first drainage channel 11. A second drainage channel 21 is connected to the lower part of one side of the second treatment tank 2. The treated water in the second treatment tank 2 is discharged through the second drainage channel 21.

[0040] Further, a first drainage channel 11 is connected to the lower part of one side of the first treatment tank 1. A sedimentation recess 13 is arranged at the lower part inside the first treatment tank 1. A filter screen 12 is fixedly connected inside the first treatment tank 1.

[0041] In the above, the sewage to be treated is conveyed into the first treatment tank 1 and enters the area above the sedimentation recess 13. Under the action of gravity, the sediment in the sewage naturally settles and accumulates in the sedimentation recess 13. Subsequently, the water flow passes through the filter screen 12. The filter screen 12 plays an intercepting role, blocking the large-particle impurities in the sewage on one side to prevent them from entering the second treatment tank 2 with the water flow. The sewage that has undergone preliminary sedimentation and filtration flows into the second treatment tank 2 through the first drainage channel 11, completing the pretreatment process of the sewage and reducing the burden for subsequent treatment.

[0042] In the above, the vertical rotating shaft 44 is driven to rotate synchronously by the motor 43. The rotation of the vertical rotating shaft 44 causes the first fixed sleeve 48 fixedly sleeved at its bottom end to rotate accordingly. The first fixed sleeve 48 drives the first eccentric shaft 45 at the bottom to perform a circular motion. The circular motion of the first eccentric shaft 45 transmits power through the transmission rod 46, thereby driving the second eccentric shaft 47 to move, and further causing the vertical rotating pipe 41 to rotate reciprocally. The reciprocal rotation of the vertical rotating pipe 41 drives the installation cross bars 410 arranged in a circumferential array on its outer side to move synchronously. The biological floating belts 42 fixedly connected to the installation cross bars 410 swing reciprocally accordingly. Microbial flora including bacteria, fungi, protozoa, etc. adhere to the surface of the biological floating belts 42. These microbial flora form a dense biofilm. During the process of the full contact between the biological floating belts 42 and the sewage, the biofilm plays an adsorption and degradation role, removing organic pollutants such as COD, BOD, nitrogen and phosphorus nutrients, and some heavy metals in the sewage, realizing the biological treatment of the sewage and effectively purifying the water quality.

[0043] Embodiment 2

[0044] Further, referring to Figures 1 to 11 , on the basis of Embodiment 1, the aeration component 5 includes an air supply pipe 51. The air supply pipe 51 is rotatably connected through the installation frame 3, and the vertical rotating pipe 41 is rotatably sleeved on the outer side of the air supply pipe 51. The bottom end of the air supply pipe 51 is connected to a horizontal pipe 58, and a number of vertical aeration pipes 59 are equidistantly connected to the upper part of the horizontal pipe 58.

[0045] Furthermore, a sliding vertical column 510 is provided in the vertical aeration pipe 59, and the sliding vertical column 510 is slidably connected to the horizontal pipe 58. The top cover of the vertical aeration pipe 59 is provided with a sealing block 512. The top of the sliding vertical column 510 is fixedly connected to the bottom of the sealing block 512. The outer side of the sliding vertical column 510 is provided with a first spring 511. The bottom end of the first spring 511 is fixedly connected to the inner wall of the horizontal pipe 58, and the top of the first spring 511 is fixedly connected to the bottom of the sealing block 512.

[0046] The upper fixed sleeve of the air supply pipe 51 is provided with an intermittent turntable 52, and a plurality of grooves 57 are provided in a circular array on the outer side of the intermittent turntable 52. An arc-shaped recess 56 is provided between two adjacent grooves 57 on the outer side of the intermittent turntable 52. The outer fixed sleeve of the vertical rotating shaft 44 is provided with a toggle disk 53, and a toggle column 54 is fixedly connected to the lower part of the toggle disk 53. An arc-shaped avoidance portion 55 is provided on one side of the upper outer side of the toggle disk 53.

[0047] Furthermore, the driving post 54 is correspondingly arranged and matched with the groove 57 , and the arc-shaped recess 56 is matched with the upper outer surface of the driving plate 53 .

[0048] Furthermore, a rotary joint 7 is fixedly connected to the top end of the air supply pipe 51 , and a connecting pipe 8 is connected to the top end of the rotary joint 7 .

[0049] In the above, while the vertical shaft 44 rotates, the toggle disk 53 fixedly mounted on its outer side also rotates synchronously, and the toggle column 54 fixedly connected to the lower part of the toggle disk 53 makes a circular motion along with the toggle disk 53. When the toggle column 54 corresponds to one of the grooves 57 and enters the groove 57, the toggle column 54 pushes the intermittent turntable 52 to rotate a certain angle, so that the intermittent turntable 52 rotates once. When the toggle column 54 moves out of the groove 57, the arc-shaped recess 56 fits with the upper outer side of the toggle disk 53. At this time, the toggle disk 53 continues to rotate, but the intermittent turntable 52 remains stationary, so that the intermittent turntable 52 rotates once every time the toggle disk 53 rotates one circle.

[0050] In the above description, when the intermittent turntable 52 rotates, it drives the air supply pipe 51 to rotate synchronously, and then drives the horizontal pipe 58 and the vertical aeration pipe 59 to rotate synchronously. The top of the air supply pipe 51 is connected to the connecting pipe 8 through the rotary joint 7. The connecting pipe 8 is connected to external air delivery equipment such as an air compressor or a vacuum pump. The air enters the air supply pipe 51 through the connecting pipe 8 and the rotary joint 7, and then enters the horizontal pipe 58 and the vertical aeration pipe 59 in turn. As the air pressure in the vertical aeration pipe 59 gradually increases, the air pressure pushes the sealing block 512 to overcome the elastic force of the first spring 511 and move upward. The first spring 511 is elastically stretched, and the sealing block 512 no longer blocks the top of the vertical aeration pipe 59. The air is discharged into the sewage through the top of the vertical aeration pipe 59, and the air is guided to different directions by the edge of the sealing block 512.

[0051] In the above, when the vertical aeration pipe 59 rotates, on the one hand, its contact and friction with the water body drive part of the water body to move, generating local water flow; on the other hand, the air jets entering the water body from different positions and angles generate impact forces on the water body, pushing the water body to flow. And as the vertical aeration pipe 59 rotates, the direction of the air jets continuously changes, agitating the water body within a larger range. The rotation and stop of the vertical aeration pipe 59 are combined. When rotating, it pushes the water body to flow, and when stopping, a relatively stable aeration area is formed locally. This alternating effect enhances the mixing effect of the water body, enabling the dissolved oxygen, nutrients, and microorganisms in the water body to be more fully mixed, improving the self-purification ability and treatment efficiency of the water body. When aeration is not required, the supply of gas to the air supply pipe 51 is stopped, the air pressure in the vertical aeration pipe 59 gradually decreases, the first spring 511 releases elastic potential energy, pulling the sealing block 512 to move downward, and re-sealing the top of the vertical aeration pipe 59.

[0052] Embodiment III

[0053] Further, referring to Figures 1 to 13 , on the basis of Embodiment II, the adjusting component 6 includes a valve plate 61. The valve plate 61 is slidably arranged inside the first drainage channel 11. The top end of the valve plate 61 penetrates through the first drainage channel 11 and extends to the outside and is fixedly connected with a cross bar 62. Two fixing blocks 65 are symmetrically and fixedly connected to the outer side wall of the first drainage channel 11. A lifting vertical rod 66 is slidably connected through the fixing block 65. The top end of the lifting vertical rod 66 is fixedly connected with a lifting cross bar 67. The bottom end of the lifting vertical rod 66 is fixedly connected with a floating block 68. The floating block 68 is arranged in the second treatment tank 2.

[0054] Further, a pulley 69 is rotatably connected to the outer side wall of the first drainage channel 11. An installation sleeve 610 is fixedly connected to the outer side wall of the first drainage channel 11. A pull rope 63 is fixedly connected to the bottom of the cross bar 62. The pull rope 63 passes through the installation sleeve 610, and the pull rope 63 bypasses the pulley 69 and is fixedly connected to the end of the lifting cross bar 67. A second spring 64 is sleeved on the outer side of the pull rope 63. The top end of the second spring 64 is fixedly connected to the bottom of the cross bar 62, and the bottom end of the second spring 64 is fixedly connected to the top of the installation sleeve 610.

[0055] In the above, when the water level in the second treatment tank 2 changes, the floating block 68 always floats on the water surface. When the water level in the second treatment tank 2 rises, the buoyancy of the water causes the floating block 68 to move upward. The floating block 68 drives the lifting vertical rod 66 fixedly connected thereto to move upward. The lifting cross rod 67 at the top of the lifting vertical rod 66 rises accordingly. The lifting cross rod 67 moves upward to pull the pulling rope 63. The pulling rope 63 bypasses the pulley 69, and the rotation of the pulley 69 assists the movement of the pulling rope 63. After being subjected to the pulling force, the pulling rope 63 drives the cross bar 62, causing the valve plate 61 to move downward and slide into the first drainage channel 11. The gap between the valve plate 61 and the first drainage channel 11 becomes smaller, thereby reducing the water flow passing through the first drainage channel 11 and reducing the water supply to the second treatment tank 2.

[0056] In the above, when the water level in the second treatment tank 2 drops, the floating block 68 moves downward under the action of its own gravity, driving the lifting vertical rod 66 and the lifting cross rod 67 to move downward. At this time, the pulling force of the lifting cross rod 67 on the pulling rope 63 gradually decreases, and the elastic potential energy of the second spring 64 is gradually released. The second spring 64 pushes the cross bar 62 to drive the valve plate 61 to slide upward. The gap between the valve plate 61 and the first drainage channel 11 increases, increasing the water flow in the first drainage channel 11 and accelerating the water supply to the second treatment tank 2. In this way, the water level in the second treatment tank 2 can be maintained in a relatively balanced state, ensuring the stable operation of the entire water treatment device.

[0057] Refer to Figures 1 to 13 , the working principle of a water treatment device based on biological streamers provided by the present invention is as follows:

[0058] When in use, the sewage to be treated is transported to the first treatment tank 1, so that the sewage enters the area above the sedimentation recess 13 in the first treatment tank 1, and the sediment in the water accumulates in the sedimentation recess 13. The water further passes through the mesh of the filter 12 and enters the second treatment tank 2 through the first drainage channel 11. The large particles of impurities in the sewage are blocked on one side by the filter 12 and will not enter the second treatment tank 2 with the sewage flow. One end of the connecting pipe 8 is connected to an external air conveying device, such as an air compressor or a vacuum pump; start the motor 43, the motor 43 drives the vertical shaft 44 to rotate, the vertical shaft 44 drives the first fixed sleeve 48 to rotate, the first fixed sleeve 48 drives the first eccentric shaft 45 to rotate, and the first The eccentric shaft 45 moves in a circular motion, driving the transmission rod 46 to move, the transmission rod 46 drives the second eccentric shaft 47 to move, the second eccentric shaft 47 drives the second fixed sleeve 49 to make the vertical rotating pipe 41 reciprocate, and the reciprocating rotation of the vertical rotating pipe 41 drives the mounting cross bar 410 to make the biological streamer 42 swing back and forth, thereby increasing the contact area between the biological streamer 42 and the sewage. The microbial flora including bacteria, fungi, protozoa, etc. attached to the surface of the biological streamer 42 form a dense biofilm, which removes organic pollutants such as COD, BOD, nitrogen and phosphorus nutrients and some heavy metals in the sewage through adsorption and degradation, thereby improving the sewage treatment effect of the biological streamer 42; while the vertical rotating shaft 44 rotates, it drives the dial 53 The toggle plate 53 drives the toggle column 54 to move in a circular motion. When the toggle column 54 corresponds to one of the grooves 57 and enters the groove 57, the toggle column 54 pushes the intermittent turntable 52 to rotate a certain angle, so that the intermittent turntable 52 rotates once, and the arc-shaped avoidance portion 55 is used to avoid the intermittent turntable 52. When the toggle column 54 is removed from the groove 57, one of the arc-shaped recesses 56 fits with the upper outer side of the toggle plate 53, so that when the toggle plate 53 rotates, the intermittent turntable 52 remains stationary. Each time the toggle plate 53 rotates one circle, the intermittent turntable 52 rotates once. When the intermittent turntable 52 rotates, it drives the air supply pipe 51 to rotate synchronously. When the intermittent turntable 52 stops, the air supply pipe 51 also rotates synchronously. Rotate, connect the air supply pipe 51 and the connecting pipe 8 through the rotary joint 7, so that when the air supply pipe 51 rotates, the connecting pipe 8 will not rotate and can maintain connection for air transportation. The air enters the air supply pipe 51 through the connecting pipe 8 and the rotary joint 7, and enters the horizontal pipe 58 through the air supply pipe 51 and then enters the vertical aeration pipe 59. As the air pressure in the vertical aeration pipe 59 gradually increases, the air pressure pushes the sealing block 512 to move upward, and the first spring 511 is elastically stretched, so that the sealing block 512 no longer blocks the top end of the vertical aeration pipe 59. The air is discharged into the sewage through the top end of the vertical aeration pipe 59, and the air is guided to different directions by the edge of the sealing block 512.The intermittent turntable 52 rotates once to drive the air supply pipe 51, causing the horizontal pipe 58 to rotate once. The horizontal pipe 58 drives the vertical aeration pipe 59 to rotate synchronously. Each time the intermittent turntable 52 rotates, the vertical aeration pipe 59 also rotates once. Thus, after the vertical aeration pipe 59 rotates a certain angle and stops, it provides oxygen to the sewage. During the rotation of the horizontal pipe 58 and the vertical aeration pipe 59, they will come into contact with and rub against the water body, thereby driving the part of the water body in contact with them to move along, generating local water flow. Moreover, during the continuous aeration process of the vertical aeration pipe 59, air is continuously released into the water. When the vertical aeration pipe 59 rotates, air enters the water body from different positions and angles, and the formed air jet will generate an impact force on the water body. This impact force will push the water body to flow. And as the vertical aeration pipe 59 rotates, the direction of the air jet is also constantly changing, thus agitating the water body in a larger range. The combination of the rotation and stop of the vertical aeration pipe 59 can generate a unique water flow pattern. When rotating, it pushes the water body to flow, and when stopping, a relatively stable aeration area is formed locally. This alternating effect can enhance the mixing effect of the water body, enabling the dissolved oxygen, nutrients, and microorganisms in the water body to be more fully mixed, improving the self-purification ability and treatment efficiency of the water body. When aeration is not required, the air supply to the air supply pipe 51 is stopped, and the air pressure gradually decreases. The elastic potential energy of the first spring 511 is released, thereby pulling the sealing block 512 downward to block the top of the vertical aeration pipe 59. As the water level in the second treatment tank 2 rises, the floating block 68 always remains floating on the water surface. When the water level in the second treatment tank 2 is relatively high, under the buoyancy of the water, the floating block 68 moves upward. The floating block 68 drives the lifting vertical rod 66, causing the lifting cross bar 67 to move upward. The upward movement of the lifting cross bar 67 pulls the pull rope 63, and the pulley 69 rotates to assist the movement of the pull rope 63. After the pull rope 63 is subjected to a pulling force, it drives the cross bar 62 to slide the valve plate 61 into the first drainage channel 11, thereby reducing the gap between the valve plate 61 and the first drainage channel 11, and further reducing the water flow passing through the first drainage channel 11, thus reducing the water supply to the second treatment tank 2. When the water level in the second treatment tank 2 drops, the floating block 68 moves under the action of its own gravity and always remains floating on the water surface in the second treatment tank 2. The downward movement of the floating block 68 drives the lifting vertical rod 66, causing the lifting cross bar 67 to move downward. At this time, the pulling force of the lifting cross bar 67 on the pull rope 63 gradually decreases, and the elastic potential energy of the second spring 64 is gradually released. The second spring 64 pushes the cross bar 62 to drive the valve plate 61 to slide upward. At this time, the gap between the valve plate 61 and the first drainage channel 11 increases again, thereby increasing the water flow in the first drainage channel  11, thus accelerating the water supply to the second treatment tank 2. In this way, the water level in the second treatment tank 2 can be maintained in a relatively balanced state.

[0059] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention rather than to limit them. Although the present invention has been described in detail with reference to the preferred embodiments, those of ordinary skill in the art should understand that the technical solutions of the present invention can be modified or equivalently replaced without departing from the spirit and scope of the technical solutions of the present invention, and all of them should be covered by the scope of the claims of the present invention.

Claims

1. A water treatment device based on a biological ribbon, comprising a first treatment tank and a second treatment tank, characterized in that: The top of the second treatment tank is fixedly connected to a mounting frame, a plurality of streamer components are installed on the mounting frame at equal distances, and an aeration component is installed on the streamer components; The cam is fixedly mounted on a top of the drive means and is secured to the chassis with a plurality of opposite ends secured thereto. The cam is secured to a position 56° to the chassis by actuating the said cam. The cam is mounted on a linking member which is linked to the chassis. The cam is mounted on a linking member which is linked to the chassis. The aeration component includes an air supply pipe, which is rotatably connected to the mounting frame, and the vertical rotating pipe is rotatably sleeved on the outside of the air supply pipe. The bottom end of the air supply pipe is connected to a horizontal pipe, and the upper part of the horizontal pipe is connected to a plurality of vertical aeration pipes at equal distances. The upper fixed sleeve of the air supply pipe is provided with an intermittent turntable, a plurality of grooves are provided in a circumferential array on the outer side of the intermittent turntable, and arc-shaped recesses are provided on the outer side of the intermittent turntable between two adjacent grooves. The outer fixed sleeve of the vertical shaft is provided with a toggle disk, a toggle column is fixedly connected to the lower part of the toggle disk, and an arc-shaped avoidance portion is provided on one side of the upper outer side of the toggle disk; The driving column is correspondingly arranged and matched with the groove, and the arc-shaped recess is matched with the upper outer surface of the driving disk.

2. The water treatment device based on a biological ribbon according to claim 1, characterized in that: The second treatment tank is arranged above the first treatment tank, and the lower part of one side of the first treatment tank is connected to the first drainage channel. The outlet end of the first drainage channel is located above the second treatment tank. An adjusting component is installed on the first drainage channel, and the lower side of the second treatment tank is connected to the second drainage channel.

3. The water treatment device based on a biological ribbon according to claim 1, characterized in that: A sliding vertical column is provided in the vertical aeration pipe, and the sliding vertical column is slidably connected to the horizontal pipe. The top end cover of the vertical aeration pipe is provided with a sealing block, and the top end of the sliding vertical column is fixedly connected to the bottom end of the sealing block. A first spring is sleeved on the outer side of the sliding vertical column, and the bottom end of the first spring is fixedly connected to the inner wall of the horizontal pipe, and the top end of the first spring is fixedly connected to the bottom end of the sealing block.

4. The water treatment device based on a biological ribbon according to claim 2, wherein: The regulating component includes a valve plate, which is slidably arranged on the inner side of the first drainage channel. The top end of the valve plate passes through the first drainage channel and extends to the outside and is fixedly connected to a horizontal bar. Two fixed blocks are symmetrically fixedly connected to the outer wall of the first drainage channel. A lifting vertical rod is slidably connected to the fixed block. The top end of the lifting vertical rod is fixedly connected to a lifting horizontal rod. The bottom end of the lifting vertical rod is fixedly connected to a floating block. The floating block is arranged in the second treatment tank.

5. The water treatment device based on a biological ribbon according to claim 4, wherein: A pulley is rotatably connected to the outer side wall of the first drainage channel. An installation sleeve is fixedly connected to the outer side wall of the first drainage channel. A pull rope is fixedly connected to the bottom of the horizontal bar. The pull rope passes through the installation sleeve, and after passing around the pulley, the pull rope is fixedly connected to the end of the lifting cross bar. A second spring is sleeved outside the pull rope. The top of the second spring is fixedly connected to the bottom of the horizontal bar, and the bottom of the second spring is fixedly connected to the top of the installation sleeve.

6. The water treatment device based on a biological ribbon according to claim 1, wherein: A rotary joint is fixedly connected to the top end of the air supply pipe, and a connecting pipe is communicated with the top end of the rotary joint.

7. The water treatment device based on a biological ribbon according to claim 1, characterized in that: A sediment recess is arranged at the lower inner part of the first treatment tank, and a filter screen is fixedly connected to the inside of the first treatment tank.

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