Air flotation machine spoiler line and air flotation machine

Abstract

The present invention discloses a flotation machine spoiler line and a flotation machine, which drives a rotating disc and a rotating blade to rotate through a support rod with a curved structure, so that tiny bubbles can be distributed in various areas in a contact box, so that flocculants and tiny bubbles are fully bonded, more scum is generated, and the sewage treatment efficiency is improved, and the spoiler line with better sewage treatment effect is provided. It is characterized in that it is composed of a support rod, a rotating disc and a rotating blade, the support rod is a curved structure that is bent multiple times from one end to the other end, the angle between the center extension lines of the two ends of the bending part of the support rod is less than 90 degrees, the bending part is an arc structure, the inner diameter of the support rod gradually decreases from the middle to the two ends, the inner diameter of one end of the support rod is larger than the inner diameter of the other end, the other parts of the support rod except the bending part are hollow structures, and the side of the support rod is sleeved with a rotating disc.

Description

Technical Field

[0001] The present invention discloses a flotation machine spoiler line and an air flotation machine, which relate to a spoiler line that produces more scum, and belong to the technical field of sewage treatment, and particularly to a spoiler line that drives a rotating disc and a rotating blade to rotate through a support rod with a curved structure, so that tiny bubbles can be distributed in various areas in a contact box, so that flocculants and tiny bubbles are fully bonded, more scum is produced, thereby improving sewage treatment efficiency and having a better sewage treatment effect. Background Art

[0002] Air flotation machine is a kind of equipment used for water treatment, mainly used in chemical plants, drinking water treatment, industrial wastewater treatment and other fields. Its working principle is to inject air or other gases into the water to generate a large number of tiny bubbles, and use these bubbles to adsorb impurities such as suspended matter, grease, etc. that are difficult to remove by natural sedimentation or floating in the water, so that they float on the water surface, thereby achieving solid-liquid separation. The traditional air flotation machine mainly includes components such as dosing device, dissolved air system, air flotation tank and scraping mechanism. The sewage first enters the reaction tank and mixes with the added flocculant to produce flocculation reaction, and then enters the contact tank to combine with the tiny bubbles in the dissolved air water to form floccules, enter the separation tank and float to the water surface to form scum, and finally the scum is scraped into the scum collection tank by the scraping mechanism for discharge. However, in traditional flotation machines, flocculants are added into the reaction tank through a dosing device. When the flocculants are added, they only exist in a certain position of the reaction tank, and the addition is uneven. Since the sewage continuously flows into the reaction tank at a certain flow rate, the sewage and the flocculant cannot fully contact each other before entering the next link, so that part of the sewage cannot be flocculated and floccules cannot be produced, resulting in low sewage treatment efficiency and poor treatment effect; and the tiny bubbles generated in the dissolved air system are also only concentrated in a certain position of the contact tank and cannot quickly diffuse to various areas of the contact tank, resulting in some floccules cannot be fully bonded with the tiny bubbles and cannot produce scum, resulting in low sewage treatment efficiency and poor treatment effect.

[0003] Announcement No. CN217895336U discloses a flotation machine with a sludge dewatering device, including an equipment body, the equipment body is divided into a dosing pretreatment unit, a flotation reaction treatment unit and a sludge dewatering treatment unit by a stainless steel partition, the dosing pretreatment unit includes a coagulant dosing reaction zone and a coagulant dosing reaction zone, the flotation reaction treatment unit is provided with a perforated water distribution pipeline, a dissolved air releaser, a mud discharge pipeline, an emptying pipeline, a slag scraping device, and a slag collection tank, and the sludge dewatering treatment unit includes a dehydration rotating motor and a dewatering tank. The above-mentioned flotation machine is provided with a coagulant dosing reaction zone agitator and a coagulant dosing reaction agitator, which can promote the full contact between sewage and flocculants and produce more floccules, but the tiny bubbles generated by the dissolved air tank in the above-mentioned flotation machine are only concentrated at a certain position of the equipment body through the dissolved air releaser, and cannot be quickly diffused to various areas of the equipment body, resulting in that some floccules cannot be fully bonded with the tiny bubbles and cannot produce slag, thereby resulting in low sewage treatment efficiency and poor treatment effect.

[0004] In order to improve the above problems, the applicant filed a Chinese invention patent application entitled "A Flotation Machine". The second rotating motor drives the support rod to rotate, and the support rod drives the rotating disc and rotating blades to rotate, so that the tiny bubbles generated by the disc aerator are distributed in various areas in the contact box, so that the flocculants and the tiny bubbles are fully bonded. However, the support rod in the flotation machine is a vertical structure located in the center of the contact box. When the tiny bubbles are stirred, vortices will be generated, resulting in the agglomeration of the tiny bubbles, affecting the diffusion of the tiny bubbles in the sewage, resulting in the inability of some flocculants to fully bond with the tiny bubbles and the inability to produce scum, thereby resulting in low sewage treatment efficiency and poor treatment effect. Summary of the invention

[0005] In order to improve the above situation, the present invention provides a flotation machine spoiler line and an air flotation machine, which provide a spoiler line that drives a rotating disc and a rotating blade to rotate through a support rod with a curved structure, so that tiny bubbles can be distributed in various areas in the contact box, so that the flocculants and the tiny bubbles are fully bonded, and more scum is generated, thereby improving the sewage treatment efficiency and achieving better sewage treatment effect.

[0006] The present invention provides an air flotation machine spoiler line and an air flotation machine as follows: The present invention provides an air flotation machine spoiler line comprising a support rod, a rotating disc and a rotating blade. The support rod is a curved structure that is bent multiple times from one end to the other. The angle between the center extension lines of the two ends of the bending part of the support rod is less than 90 degrees. Preferably, the bending portion is an arc-shaped structure. Preferably, the inner diameter of the support rod gradually decreases from the middle to both ends. Preferably, the inner diameter of one end of the support rod is larger than the inner diameter of the other end. Preferably, the support rod has a hollow structure except for the bent portion. A rotating disc is sleeved on the side of the support rod. Preferably, there are multiple rotating discs, and the multiple rotating discs correspond to the multiple bending parts of the support rod one by one. The rotating discs are placed on the corresponding bending parts of the support rod, and the plane where the rotating discs are located and the center line of the corresponding bending part of the support rod are perpendicular to each other. The side of the rotating disc is provided with rotating blades; Preferably, there are a plurality of rotating blades, and the plurality of rotating blades are arranged equidistantly along the circumferential direction of the side surface of the rotating disk; Furthermore, the side of the support rod is provided with spoiler teeth. Preferably, there are multiple groups of spoiler teeth, and the multiple groups of spoiler teeth are equidistantly arranged along the circumference of the support rod, and there are multiple spoiler teeth in each group, and the multiple spoiler teeth are equidistantly arranged along the axial direction of the support rod, and two adjacent groups of spoiler teeth are staggered, and the multiple groups of spoiler teeth and the multiple bending portions are staggered, and the width of the spoiler teeth gradually increases from the side connected to the side of the support rod to the other side, and the other side of the spoiler teeth is provided with multiple vertical grooves, and the multiple vertical grooves are equidistantly arranged along the width direction of the spoiler teeth, and the width of the vertical grooves gradually increases from the bottom of the groove to the groove mouth, and the depths of two adjacent vertical grooves are different; Further, the support rod is formed by splicing a plurality of spliced ​​short rods end to end, a splicing groove is provided at one end of the spliced ​​short rod, a splicing block corresponding to the splicing groove is provided at the other end of the spliced ​​short rod, the end to end splicing of the plurality of spliced ​​short rods corresponds to the plurality of bending parts of the support rod one by one, and each spliced ​​short rod corresponds to the shape of each section of the support rod; Preferably, the splicing groove is an arc-shaped groove, the splicing block is an arc-shaped block, and a rubber pad is built into the arc-shaped groove; Further, the spoiler teeth are replaced by spoilers, and the support rod is provided with multiple groups of spoilers, the multiple groups of spoilers are arranged equidistantly along the circumference of the support rod, and there are multiple spoilers in each group, and the multiple spoilers are arranged equidistantly along the axial direction of the support rod, and the multiple groups of spoilers and the multiple bending portions are arranged in a staggered manner, and the spoilers are bent in arcs multiple times from one end to the other end, and the thickness of the spoilers gradually decreases from one side connected to the support rod to the other side; Furthermore, the spoiler plate is provided with a plurality of groups of spoiler micropores, the plurality of groups of spoiler micropores are arranged equidistantly along the length direction of the spoiler plate, there are a plurality of spoiler micropores in each group, the plurality of spoiler micropores are arranged equidistantly along the width direction of the spoiler plate, and two adjacent groups of spoiler micropores are arranged in a staggered manner.

[0007] The present invention also relates to an air flotation machine, which is composed of a separation component, a contact component and a flocculation component. The separation assembly is composed of a separation tank, a water outlet pipe, a filter screen, a slag discharge port, a slag collection tank, a support frame, a first connecting rod, a second connecting rod, a scraper plate, a third rotating motor and a support column. The separation tank is an arched structure with an open top. The slag collecting pool is a fan-shaped structure with an opening at the top. The two ends of the separation tank are in contact with the two ends of the slag collecting tank respectively, and the separation tank and the slag collecting tank form a ring structure. The top height of the separation tank is greater than or equal to the top height of the slag collection tank. The bottom surface of the slag collecting pool is provided with a slag discharge port. A plurality of support columns are located in the middle of the annular structure, and one end of each support column is inserted into the ground. Preferably, the plurality of support columns are arranged equidistantly along the circumference of the middle portion of the annular structure. The bottom of the support frame is placed at the other end of the plurality of support columns. The support frame is a hollow circular ring structure composed of a plurality of supporting round rods, and the middle part of the top surface of the support frame is a disc-shaped structure. The third rotating motor is placed in the middle of the top surface of the support frame, One end of the first connecting rod is connected to the motor shaft of the third rotating motor, The angle between one end of the first connecting rod and the motor shaft of the third rotating motor is 90 degrees. The other end of the first connecting rod is vertically placed on one end of the second connecting rod. The scraper plate is laterally located in the separation tank, and the bottom height of the scraper plate is greater than or equal to the top height of the slag collecting tank. Preferably, the two ends of the scraper plate are in contact with the two inner side surfaces of the separation tank respectively. The other end of the second connecting rod is placed on the top surface of the scraper plate. Preferably, the second connecting rod is a retractable structure. One end of the water outlet pipe is placed on one side of the separation tank and is connected to the separation tank. The filter screen is placed at one end of the water outlet pipe, and the diameter of the filter screen is equal to the inner diameter of the water outlet pipe. The contact assembly is composed of a contact box, a blower, an air inlet pipe, a connecting pipe, an air inlet branch pipe, a disc aerator, a second rotating motor, a support rod, a rotating disc, rotating blades and a sewage pipe. The contact box is located in the middle of the plurality of support columns. The second rotating motor is placed in the middle of the inner bottom surface of the contact box. The support rod is located in the contact box. The length of the support rod is smaller than the height of the contact box. One end of the support rod is connected to the motor shaft of the second rotating motor, A rotating disc is sleeved on the side of the support rod. Preferably, there are multiple rotating discs, and the multiple rotating discs are arranged equidistantly along the length direction of the support rod. The side of the rotating disc is provided with rotating blades. Preferably, there are a plurality of rotating blades, and the plurality of rotating blades are arranged equidistantly along the circumferential direction of the side surface of the rotating disk. Preferably, the rotating blades are of arc-shaped structure. The blower is located outside the contact box. One end of the air inlet pipe is connected to the air outlet of the blower and communicates with the air outlet of the blower. The connecting pipe is placed on the inner bottom surface of the contact box. The connecting pipe is a closed structure at both ends. Preferably, the connecting pipe is parallel to a side surface of the contact box and close to a side surface of the contact box. Preferably, the length of the connecting pipe is equal to the length of one side of the contact box. The other end of the air inlet pipe passes through a through hole opened at the bottom of one side of the contact box and is placed on the side of one end of the connecting pipe, and is connected to the side of one end of the connecting pipe. One end of the intake branch pipe is vertically placed on the side of the connecting pipe. The air intake branch pipe is a structure with a closed end. Preferably, there are multiple intake branch pipes, and the multiple intake branch pipes are arranged equidistantly along the length direction of the side surface of the connecting pipe. Preferably, the length of the air intake branch pipe is equal to the length of the other side of the contact box. The disc aerator is placed on the top side of the air inlet branch pipe. Preferably, there are a plurality of the disc aerators, and the plurality of the disc aerators are arranged equidistantly along the length direction of the air inlet branch pipe. One end of a sewage pipe is disposed on the side of the contact box, and one end of the sewage pipe is connected to the contact box. One end of the sewage pipe is close to the top surface of the contact box. The other end of the sewage pipe passes through a through hole opened on the other side of the separation tank and is located on the inner bottom surface of the separation tank. The flocculation assembly is composed of a first rotating motor, a dosing hopper, a sewage inlet pipe, a rotating rod, a spiral blade, a flocculation box and a water outlet. The flocculation box is placed on the top surface of the contact box. One end of the dosing hopper is placed on the top surface of the flocculation box and is connected to the flocculation box. Preferably, the diameter of the dosing hopper remains unchanged from one end to one third of the diameter, and gradually increases from one third of the diameter to the other end. The first rotating motor is placed in the middle of the top surface of the flocculation box. The rotating rod is placed in the flocculation box. One end of the rotating rod is connected to the motor shaft of the first rotating motor through a through hole opened in the middle of the flocculation box. The length of the rotating rod is smaller than the height of the flocculation box. The spiral blade is placed on the side of the rotating rod. Preferably, the length of the spiral blade is equal to the length of the rotating rod. Preferably, a plurality of spoiler protrusions are evenly arranged on the spiral blade. One end of the sewage inlet pipe is placed on one side of the flocculation box and is connected to the flocculation box. The bottom surface of the flocculation box is provided with a water outlet hole, and the water outlet hole is located at the side of the bottom surface of the flocculation box; Furthermore, the rotating blades are provided with flow-turbulating holes; Preferably, there are multiple groups of spoiler holes, and the multiple groups of spoiler holes are equidistantly arranged along the length direction of the rotating blade. There are multiple spoiler holes in each group, and the multiple spoiler holes are equidistantly arranged along the width direction of the rotating blade. Furthermore, the rotating blades are provided with spoiler strips; Preferably, the length of the spoiler strip is equal to the width of the rotating blade, there are a plurality of spoiler strips, and each of the spoiler strips is located between two adjacent groups of spoiler holes. Beneficial Effects

[0008] 1. The rotating disc and the rotating blades are driven by the support rod of the curved structure, so that the tiny bubbles can be distributed in various areas in the contact box, so that the flocculants and the tiny bubbles can be fully bonded, and more scum is produced, thereby improving the sewage treatment efficiency and achieving better sewage treatment effects.

[0009] 2. Simple structure, convenient and practical.

[0010] 3. Low cost and easy to promote. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1It is a structural schematic diagram of an air flotation machine of the present invention; Figure 2 A three-dimensional structural diagram of an air flotation machine of the present invention; Figure 3 This is a three-dimensional structural diagram of an air flotation machine of the present invention, which only shows the structure of the filter screen; Figure 4 This is a three-dimensional structural diagram of an air flotation machine of the present invention, which only shows the internal structures of the flocculation box and the contact box; Figure 5 It is a three-dimensional structural diagram of embodiment 2 of an air flotation machine of the present invention; Figure 6 It is a three-dimensional structural diagram of Example 3 of an air flotation machine of the present invention; Figure 7 A three-dimensional structural diagram of a spoiler line of an air flotation machine according to the present invention; Figure 8 It is a three-dimensional structural diagram of Example 2 of an air flotation machine spoiler line of the present invention; Fig. 9 It is a three-dimensional structural diagram of Embodiment 3 of an air flotation machine spoiler line of the present invention; Fig.10 It is a three-dimensional structural diagram of Example 4 of an air flotation machine spoiler line of the present invention; Fig.11 It is a three-dimensional structural diagram of Example 5 of an air flotation machine spoiler line of the present invention; Attached photos

[0012] The invention comprises: a separation tank (1), a support frame (2), a first connecting rod (3), a scraper plate (4), a slag discharge port (5), a sewage inlet pipe (6), a slag collecting tank (7), a water outlet pipe (8), a sewage discharge pipe (9), a third rotating motor (10), a first rotating motor (11), a dosing hopper (12), a second connecting rod (13), a supporting column (14), a flocculation box (15), a filter screen (16), a contact box (17), a spiral blade (18), a rotating rod (19), a blower (20), an air inlet pipe (21), a connecting pipe (22), an air inlet branch pipe (23), a disc aerator (24), a second rotating motor (25), a supporting rod (26), a rotating disc (27), a rotating blade (28), a water outlet hole (29), a spoiler hole (30), a spoiler strip (31), a spoiler tooth (32), a splicing short rod (33), a splicing block (34), a spoiler plate (35), and a spoiler micropore (36). DETAILED DESCRIPTION Example 1

[0013] The present invention provides an air flotation machine spoiler line, which is composed of a support rod (26), a rotating disc (27) and a rotating blade (28). The support rod (26) is a curved structure that is bent multiple times from one end to the other end. The included angle of the center extension lines of the two ends of the bent portion of the support rod (26) is less than 90 degrees. Preferably, the bending portion is an arc-shaped structure. Preferably, the inner diameter of the support rod (26) gradually decreases from the middle to both ends. Preferably, the inner diameter of one end of the support rod (26) is larger than the inner diameter of the other end. Preferably, the support rod (26) has a hollow structure except for the bent portion. A rotating disc (27) is sleeved on the side of the support rod (26). Preferably, there are a plurality of rotating disks (27), and the plurality of rotating disks (27) correspond to the plurality of bent portions of the support rod (26) one by one. The rotating disk (27) is sleeved on the corresponding bent portion of the support rod (26), and the plane where the rotating disk (27) is located and the center line of the bent portion of the corresponding support rod (26) are perpendicular to each other. Rotating blades (28) are arranged on the side of the rotating disc (27); Preferably, there are a plurality of rotating blades (28), and the plurality of rotating blades (28) are arranged equidistantly along the circumferential direction of the side surface of the rotating disk (27); When in use, the support rod (26) is installed in the flotation machine, and the second rotating motor (25) is started. The second rotating motor (25) drives the support rod (26) with the curved structure to rotate, and the support rod (26) drives the rotating disc (27) and the rotating blade (28) to rotate. The support rod (26) with the curved structure can make the tiny bubbles move along a curved path during the stirring process and be evenly distributed in various areas in the contact box (17), thereby reducing the aggregation of the tiny bubbles and making the floccules with a density less than that of water fully bonded to the tiny bubbles, thereby generating more scum, thereby improving the sewage treatment efficiency and achieving a better treatment effect. Example 2

[0014] The difference between this embodiment and embodiment 1 is that a spoiler tooth (32) is arranged on the side of the support rod (26), and the spoiler teeth (32) are provided in a plurality of groups. The plurality of groups of spoiler teeth (32) are arranged equidistantly along the circumference of the support rod (26), and each group has a plurality of spoiler teeth (32). The plurality of spoiler teeth (32) are arranged equidistantly along the axial direction of the support rod (26). Two adjacent groups of spoiler teeth (32) are arranged in a staggered manner, and the plurality of groups of spoiler teeth (32) and the plurality of bent portions are arranged in a staggered manner. The width of the spoiler teeth (32) gradually increases from one side connected to the side of the support rod (26) to the other side. The spoiler teeth (32) are large, and the other side surface of the spoiler teeth (32) is provided with a plurality of vertical grooves, the plurality of vertical grooves are arranged equidistantly along the width direction of the spoiler teeth (32), the width of the vertical grooves gradually increases from the groove bottom to the groove mouth, and the depths of two adjacent vertical grooves are different; when in use, the spoiler teeth (32) and the vertical grooves can effectively disrupt the water flow around the support rod (26), reduce the resistance of the water flow to the support rod (26), optimize the direction of the water flow, reduce the generation of eddies, reduce the agglomeration of tiny bubbles, and enable flocs with a density less than that of water to fully bond with the tiny bubbles, thereby generating more scum, thereby improving the sewage treatment efficiency and achieving a better treatment effect; Example 3

[0015] The difference between this embodiment and the first embodiment is that: the support rod (26) is formed by a plurality of spliced ​​short rods spliced ​​end to end; a splicing groove is formed at one end of the spliced ​​short rod; a splicing block (34) corresponding to the splicing groove is disposed at the other end of the spliced ​​short rod; the splicing locations of the plurality of spliced ​​short rods correspond one to one to the plurality of bent portions of the support rod (26); each of the spliced ​​short rods corresponds to the shape of each section of the support rod (26); the splicing groove is an arc groove; the splicing block (34) is an arc block; a rubber pad is disposed in the arc groove; when in use, the structure of the support rod (26) can be made more flexible; the length or shape of the support rod (26) can be adjusted as required, so that the support rod (26) is suitable for contact boxes (17) of different heights and widths; the rubber pad is used to play a sealing role when the splicing block (34) is inserted into the splicing groove, so that the splicing locations of the plurality of spliced ​​short rods are tighter, thereby improving the stability of the support rod (26); Example 4

[0016] The difference between this embodiment and embodiment 2 is that: the spoiler teeth (32) are replaced by spoiler plates (35), the support rod (26) is provided with a plurality of groups of spoiler plates (35), the plurality of groups of spoiler plates (35) are arranged equidistantly along the circumference of the support rod (26), each group has a plurality of spoiler plates (35), the plurality of spoiler plates (35) are arranged equidistantly along the axial direction of the support rod (26), the plurality of groups of spoiler plates (35) and the plurality of bending portions are arranged alternately, the spoiler plates (35) are bent in an arc shape multiple times from one end to the other end, and the thickness of the spoiler plates (35) gradually decreases from the side connected to the support rod (26) to the other side; when in use, the spoiler plates (35) bent in an arc shape multiple times have a larger contact area with the sewage, generate a smaller stirring resistance, have a better spoiler effect on the tiny bubbles, can promote the diffusion of the tiny bubbles, and enable the flocs with a density less than that of water to be fully bonded to the tiny bubbles, thereby generating more scum; Example 5

[0017] The difference between this embodiment and embodiment 4 is that: the spoiler (35) is provided with a plurality of groups of flow-disturbing micropores (36), the plurality of groups of flow-disturbing micropores (36) are arranged equidistantly along the length direction of the spoiler (35), there are a plurality of flow-disturbing micropores (36) in each group, the plurality of flow-disturbing micropores (36) are arranged equidistantly along the width direction of the spoiler (35), and two adjacent groups of flow-disturbing micropores (36) are arranged in a staggered manner; when in use, the flow-disturbing micropores (36) can further increase the contact area between the spoiler (35) and the sewage, thus achieving a better flow-disturbing effect on the micro-bubbles and promoting the diffusion of the micro-bubbles; the staggered arrangement of the flow-disturbing micropores (36) can prevent some of the flow-disturbing micropores (36) from being blocked by flocculants or sewage in the contact box (17), thereby affecting the flow-disturbing effect on the micro-bubbles; The support rod (26) is a curved structure that is bent multiple times from one end to the other end. A rotating disc (27) is sleeved on the side of the support rod (26). There are multiple rotating discs (27), and the multiple rotating discs (27) correspond to the multiple bent portions of the support rod (26) one by one. The rotating disc (27) is sleeved on the corresponding bent portion of the support rod (26). The plane where the rotating disc (27) is located and the center line of the corresponding bent portion of the support rod (26) are perpendicular to each other, so that each rotating disc (27) has a different direction and a different inclination angle, and the rotating blades (28) on the rotating disc (27) have a better turbulence effect and a larger turbulence range. The design that the angle between the central extension lines of the two ends of the bent portion of the support rod (26) is less than 90 degrees can enable the rotating disk (27) to form an asymmetric rotating force, improve the turbulence performance of the rotating blades (28), promote the diffusion of micro-bubbles, and enable floccules with a density less than that of water to fully adhere to the micro-bubbles, thereby generating more scum; The curved portion is designed as an arc-shaped structure, which can reduce the rotational resistance of the support rod (26); under the action of the rotating centrifugal force, the arc-shaped structure can enhance the stability of the support rod (26), reduce the bending or deformation of the support rod (26), extend the service life of the support rod (26), and make it easier to install the rotating disc (27) on the curved portion; The inner diameter of the support rod (26) gradually decreases from the middle to both ends, the inner diameter of one end of the support rod (26) is larger than the inner diameter of the other end, and the other parts of the support rod (26) except the bent part are designed as hollow structures, which can reduce the weight of the support rod (26) and the inertia of the support rod (26), thereby reducing the rotation resistance of the support rod (26), reducing the bending or deformation of the support rod (26), and extending the service life of the support rod (26); The purpose is to achieve the purpose of being able to drive the rotating disc (27) and the rotating blades (28) to rotate through the support rod (26) of the curved structure, so that the tiny bubbles can be distributed in various areas in the contact box (17), so that the flocculants and the tiny bubbles can be fully bonded, and more scum is generated, thereby improving the sewage treatment efficiency and achieving a better sewage treatment effect.

[0018] It should be noted that the spoiler line is applicable to the following air flotation machines: The present invention provides an air flotation machine composed of a separation component, a contact component and a flocculation component. The separation assembly comprises a separation tank (1), a water outlet pipe (8), a filter screen (16), a slag discharge port (5), a slag collection tank (7), a support frame (2), a first connecting rod (3), a second connecting rod (13), a slag scraper (4), a third rotating motor (10) and a support column (14). The separation tank (1) is an arched structure with an open top. The slag collecting pool (7) is a fan-shaped structure with an opening at the top. The two ends of the separation pool (1) are in contact with the two ends of the slag collection pool (7) respectively, and the separation pool (1) and the slag collection pool (7) form a ring structure. The top height of the separation tank (1) is greater than or equal to the top height of the slag collection tank (7), The bottom surface of the slag collecting pool (7) is provided with a slag discharge port (5). A plurality of support columns (14) are located in the middle of the annular structure, and one end of each support column (14) is inserted into the ground. Preferably, the plurality of support columns (14) are arranged equidistantly along the circumference of the middle portion of the annular structure. The bottom of the support frame (2) is placed at the other end of the plurality of support columns (14). The support frame (2) is a hollow circular ring structure composed of a plurality of supporting round rods, and the middle part of the top surface of the support frame (2) is a disc-shaped structure. The third rotating motor (10) is placed in the middle of the top surface of the support frame (2). One end of the first connecting rod (3) is connected to the motor shaft of the third rotating motor (10). The angle between one end of the first connecting rod (3) and the motor shaft of the third rotating motor (10) is 90 degrees. The other end of the first connecting rod (3) is vertically placed on one end of the second connecting rod (13). The scraper plate is laterally located in the separation tank (1), and the bottom height of the scraper plate is greater than or equal to the top height of the slag collecting tank (7). Preferably, the two ends of the scraper plate are in contact with the two inner side surfaces of the separation tank (1) respectively. The other end of the second connecting rod (13) is placed on the top surface of the scraper plate (4). Preferably, the second connecting rod (13) is a retractable structure. One end of the water outlet pipe (8) is placed on a side of the separation tank (1) and is connected to the separation tank (1). The filter screen (16) is placed at one end of the water outlet pipe (8), and the diameter of the filter screen (16) is equal to the inner diameter of the water outlet pipe (8). The contact assembly is composed of a contact box (17), a blower (20), an air intake pipe (21), a connecting pipe (22), an air intake branch pipe (23), a disc aerator (24), a second rotating motor (25), a support rod (26), a rotating disc (27), rotating blades (28) and a sewage discharge pipe (9). The contact box (17) is located in the middle of the plurality of support columns (14). The second rotating motor (25) is placed in the middle of the inner bottom surface of the contact box (17). The support rod (26) is located inside the contact box (17). The length of the support rod (26) is smaller than the height of the contact box (17). One end of the support rod (26) is connected to the motor shaft of the second rotating motor (25). A rotating disc (27) is sleeved on the side of the support rod (26). Preferably, there are a plurality of rotating discs (27), and the plurality of rotating discs (27) are arranged at equal distances along the length direction of the support rod (26). The side of the rotating disc (27) is provided with rotating blades (28). Preferably, there are a plurality of rotating blades (28), and the plurality of rotating blades (28) are arranged equidistantly along the circumferential direction of the side surface of the rotating disk (27). Preferably, the rotating blade (28) is an arc-shaped structure. The blower (20) is located outside the contact box (17). One end of the air inlet pipe (21) is connected to the air outlet of the blower (20), and is in communication with the air outlet of the blower (20). The connecting pipe (22) is placed on the inner bottom surface of the contact box (17). The connecting pipe (22) is a structure with both ends closed. Preferably, the connecting pipe (22) is parallel to a side surface of the contact box (17) and is close to a side surface of the contact box (17). Preferably, the length of the connecting pipe (22) is equal to the length of one side of the contact box (17). The other end of the air inlet pipe (21) passes through a through hole opened at the bottom of one side of the contact box (17) and is placed on the side of one end of the connecting pipe (22), and is connected to the side of one end of the connecting pipe (22). One end of the air intake branch pipe (23) is vertically placed on the side of the connecting pipe (22). The air intake branch pipe (23) is a structure with the other end being closed. Preferably, there are a plurality of the air intake branch pipes (23), and the plurality of the air intake branch pipes (23) are arranged equidistantly along the length direction of the side surface of the connecting pipe (22). Preferably, the length of the air intake branch pipe (23) is equal to the length of the other side surface of the contact box (17). The disc aerator (24) is placed on the top side of the air inlet branch pipe (23). Preferably, there are a plurality of the disc aerators (24), and the plurality of the disc aerators (24) are arranged equidistantly along the length direction of the air inlet branch pipe (23). One end of a sewage discharge pipe (9) is disposed on the side surface of the contact box (17) in correspondence with each other, and one end of the sewage discharge pipe (9) is connected to the contact box (17). One end of the sewage discharge pipe (9) is close to the top surface of the contact box (17). The other end of the sewage discharge pipe (9) passes through a through hole opened on the other side of the separation tank (1) and is located on the inner bottom surface of the separation tank (1). The flocculation assembly is composed of a first rotating motor (11), a dosing hopper (12), a sewage inlet pipe (6), a rotating rod (19), a spiral blade (18), a flocculation box (15), and a water outlet hole (29). The flocculation box (15) is placed on the top surface of the contact box (17). One end of the dosing hopper (12) is placed on the top surface of the flocculation box (15) and is connected to the flocculation box (15). Preferably, the diameter of the dosing hopper (12) remains unchanged from one end to one third of the diameter, and gradually increases from one third of the diameter to the other end. The first rotating motor (11) is placed in the middle of the top surface of the flocculation box (15). The rotating rod (19) is placed in the flocculation box (15). One end of the rotating rod (19) is connected to the motor shaft of the first rotating motor (11) through a through hole opened in the middle of the flocculation box (15). The length of the rotating rod (19) is smaller than the height of the flocculation box (15). The spiral blade (18) is placed on the side of the rotating rod (19). Preferably, the length of the spiral blade (18) is equal to the length of the rotating rod (19). Preferably, a plurality of flow-disturbing protrusions are evenly arranged on the spiral blade (18). One end of the sewage inlet pipe (6) is placed on a side of the flocculation box (15) and is connected to the flocculation box (15). The bottom surface of the flocculation box (15) is provided with a water outlet hole (29), and the water outlet hole (29) is located on the side edge of the bottom surface of the flocculation box (15); Preferably, the air flotation machine is installed on the ground via a bracket, and the support column (14) is inserted into the ground for fixing. When in use, sewage first enters the flocculation box (15) through the sewage inlet pipe (6), and the flocculant is added to the flocculation box (15) from the dosing hopper (12). The first rotating motor (11) is started, and the first rotating motor (11) drives the rotating rod (19) to rotate. The rotating rod (19) drives the spiral blade (18) to rotate, so that the sewage and the flocculant are fully in contact, a flocculation reaction occurs, and floccules are formed; then the floccules and sewage enter the contact box (17) through the water outlet hole (29). The blower (20) is started, and the gas in the blower (20) enters the connecting pipe (22) from the air inlet pipe (21), enters the plurality of air inlet branches (23) from the connecting pipe (22), and enters the aeration generator from the air inlet branches (23). The aeration generator generates a large number of tiny bubbles, and the second rotating motor (25) is started. The second rotating motor (25) drives the support rod (26) to rotate, and the support rod (26) drives the rotating disk (27) and the rotating blades (28) to rotate, so that the tiny bubbles are generated. The bubbles are evenly distributed in various areas in the contact box (17), so that the floccules with a density less than that of water are fully bonded to the tiny bubbles to form floccules. Finally, the floccules and sewage enter the separation tank (1) through the sewage discharge pipe (9). The floccules float to the water surface of the separation tank (1) under the action of buoyancy to form scum. When the sewage in the separation tank (1) reaches the height of the scraper plate, the third rotating motor (10) is started, the third rotating motor (10) drives the first connecting rod (3) to rotate, the first connecting rod (3) drives the second connecting rod (13) to rotate, and the second connecting rod (13) drives the scraper plate (4) to rotate along the circumference of the separation tank (1), so as to scrape the scum on the water surface of the separation tank (1) into the scum collecting tank (7) and discharge it through the scum discharge hole, thereby achieving solid-liquid separation. The water after solid-liquid separation is further filtered through the filter screen (16) of the outlet pipe (8) and discharged from the outlet pipe (8), thereby achieving sewage treatment, improving sewage treatment efficiency and achieving better sewage treatment effect. Example 2

[0019] The difference between this embodiment and the first embodiment is that: the rotating blade (28) is provided with a flow disturbance hole (30), the flow disturbance hole (30) comprises a plurality of groups, the plurality of groups of flow disturbance holes (30) are arranged equidistantly along the length direction of the rotating blade (28), and each group comprises a plurality of flow disturbance holes (30), the plurality of flow disturbance holes (30) are arranged equidistantly along the width direction of the rotating blade (28); when in use, the flow disturbance holes (30) can further increase the contact area between the rotating blade (28) and the sewage entering the contact box (17), thereby stirring the sewage, and enabling the tiny bubbles generated by the disc aerator (24) to be evenly distributed in various areas of the contact box (17) under the action of the water flow, so that the flocs having a density less than that of water are fully bonded to the tiny bubbles, thereby generating more scum, and achieving better sewage treatment efficiency and effect; Example 3

[0020] The difference between this embodiment and embodiment 1 is that: a spoiler strip (31) is disposed on the rotating blade (28), the length of the spoiler strip (31) is equal to the width of the rotating blade (28), there are a plurality of spoiler strips (31), and each spoiler strip (31) is located between two adjacent groups of spoiler holes (30); when in use, the spoiler strip (31) and the spoiler holes (30) can further increase the contact area between the rotating blade (28) and the sewage entering the contact box (17), thereby stirring the sewage, and enabling the tiny bubbles generated by the disc aerator (24) to be evenly distributed in various areas of the contact box (17) under the action of the water flow, so that the flocs with a density less than that of water are fully bonded to the tiny bubbles, thereby generating more scum and achieving better sewage treatment efficiency and effect; The second connecting rod (13) is designed as a retractable structure. The height of the scraper plate (4) is adjusted by the second connecting rod (13) according to the height of the water surface of the separation tank (1), so that the scraper plate (4) can scrape the water surface of the separation tank (1) at different heights, thereby achieving a better scraping effect. The design in which the two ends of the scraper plate are in contact with the two inner side surfaces of the separation tank (1) respectively can increase the contact area between the scraper plate (4) and the scum floating on the water surface of the separation tank (1), thereby improving the scraping efficiency of the scraper plate (4); The diameter of the dosing hopper (12) remains constant from one end to one third of the diameter, and gradually increases from the one third of the diameter to the other end, so that the flocculant can more easily enter the flocculation box (15) through the dosing hopper (12); The spiral blade (18) is evenly provided with a plurality of flow-disturbing protrusions, which can further increase the stirring effect of the spiral blade (18) on the sewage and the flocculant entering the flocculation box, so that the sewage and the flocculant are in more complete contact, a flocculation reaction occurs, and more flocs are formed; The separation tank (1) and the slag collection tank (7) form a ring-shaped structure, and the contact component and the flocculation component are located in the middle of the ring-shaped structure. The flotation machine is more integrated as a whole, occupies a smaller area, and can be used in places with limited space. The design of the separation tank (1) and the slag collection tank (7) forming an annular structure can effectively improve the dynamic characteristics of the sewage flow, so that the sewage forms a circulation between the separation tank (1) and the slag collection tank (7), thereby obtaining a more stable fluid motion state, thereby reducing the drift of micro-bubbles in the separation tank (1), increasing the residence time of micro-bubbles, facilitating the contact between micro-bubbles and suspended particles in the water, facilitating the separation and collection of slag, and improving the treatment efficiency of the flotation machine; The separation tank (1) and the slag collection tank (7) form a ring-shaped structure, which can extend the flow path of the sewage, so that the sewage can be discharged from the flotation machine after being fully treated, thereby reducing the risk of short-circuiting and improving the treatment effect of the flotation machine; The design of the separation tank (1) and the slag collection tank (7) forming an annular structure can prolong the residence time of sewage in the annular separation tank (1), so that suspended particles and flocs in the water have more time to float up to become scum or settle to become sludge, thereby achieving a better solid-liquid separation effect.

[0021] The flocculation component is used to make the sewage fully contact with the flocculant, so as to produce more flocs. The contact component is used to make the flocs and tiny bubbles fully bonded, so as to produce more scum. The separation component is used to achieve solid-liquid separation, so as to improve the efficiency and effect of sewage treatment.

[0022] After considering the specification and practicing the invention disclosed herein, those skilled in the art will easily think of other similar embodiments of the present invention. This application is intended to cover any modified uses or adaptive changes of the present invention. These modifications or uses, applicability changes follow the general principles of the present invention and include common knowledge or customary technical means in the technical field that are not disclosed in the present invention.

[0023] It should be noted that, for the sake of simplicity, the specific implementation mode of the present invention describes the data processing process of the controller as a series of action combinations. However, those skilled in the art should know that the present invention is not limited to the described actions, because according to the present invention, certain steps can be performed sequentially or simultaneously. Secondly, those skilled in the art should also know that the actions described and involved in the specification are not necessarily required by the present invention. The described contents are only preferred implementation cases of the present invention and cannot be considered to limit the scope of implementation of the present invention. At the same time, for those skilled in the art, according to the ideas of the present invention, there will be changes in the specific implementation modes and application scopes. In summary, the contents of this specification should not be understood as limiting the present invention.

Claims

1. A flotation machine spoiler line, characterized by: It consists of a support rod, a rotating disc and rotating blades. The support rod is a curved structure that is bent multiple times from one end to the other end. The angle between the center extension lines of the two ends of the bent portion of the support rod is less than 90 degrees. The bent portion is an arc-shaped structure. A rotating disc is sleeved on the side of the support rod. There are multiple rotating discs, and rotating blades are arranged on the side of the rotating disc; there are multiple rotating blades, and the multiple rotating blades are arranged equidistantly along the circumferential direction of the side of the rotating disc.

2. The air flotation machine spoiler line according to claim 1, characterized in that The side of the support rod is provided with spoiler teeth, and there are multiple groups of spoiler teeth. The multiple groups of spoiler teeth are equidistantly arranged along the circumference of the support rod, and there are multiple spoiler teeth in each group. The multiple spoiler teeth are equidistantly arranged along the axial direction of the support rod, and two adjacent groups of spoiler teeth are staggered. The multiple groups of spoiler teeth and the multiple bending portions are staggered. The width of the spoiler teeth gradually increases from one side connected to the side of the support rod to the other side. The other side of the spoiler tooth is provided with multiple vertical grooves. The multiple vertical grooves are equidistantly arranged along the width direction of the spoiler teeth, and the width of the vertical grooves gradually increases from the bottom of the groove to the groove mouth, and the depths of two adjacent vertical grooves are different.

3. The air flotation machine spoiler line according to claim 1, characterized in that The support rod is formed by a plurality of spliced ​​short rods spliced ​​end to end, a splicing groove is provided at one end of the spliced ​​short rod, a splicing block corresponding to the splicing groove is provided at the other end of the spliced ​​short rod, the end to end splicing of the plurality of spliced ​​short rods corresponds one by one to a plurality of bending parts of the support rod, and the shape of each spliced ​​short rod corresponds to that of each section of the support rod; the splicing groove is an arc-shaped groove, the splicing block is an arc-shaped block, and a rubber pad is built into the arc-shaped groove.

4. The air flotation machine spoiler line according to claim 1, characterized in that The spoiler teeth are replaced by spoilers, and the support rod is provided with multiple groups of spoilers, which are arranged equidistantly along the circumference of the support rod, and there are multiple spoilers in each group, and the multiple spoilers are arranged equidistantly along the axial direction of the support rod. The multiple groups of spoilers and the multiple bending portions are arranged alternately, and the spoilers are bent in arcs multiple times from one end to the other end, and the thickness of the spoilers gradually decreases from the side connected to the support rod to the other side.

5. The air flotation machine spoiler line according to claim 1, characterized in that The spoiler plate has a plurality of groups of spoiler micropores, which are arranged equidistantly along the length direction of the spoiler plate. There are a plurality of spoiler micropores in each group, which are arranged equidistantly along the width direction of the spoiler plate, and two adjacent groups of spoiler micropores are arranged in a staggered manner.

6. The air flotation machine spoiler line according to claim 1, characterized in that The inner diameter of the support rod gradually decreases from the middle to both ends.

7. The air flotation machine spoiler line according to claim 6, characterized in that The inner diameter of one end of the support rod is larger than the inner diameter of the other end.

8. The air flotation machine spoiler line according to claim 7, characterized in that The rest of the support rod except the bent portion is a hollow structure.

9. The air flotation machine spoiler line according to claim 1, characterized in that The plurality of rotating discs correspond to the plurality of bending parts of the support rod one by one, the rotating discs are placed on the corresponding bending parts of the support rod, and the plane where the rotating discs are located and the center line of the corresponding bending part of the support rod are perpendicular to each other.

10. The air flotation machine spoiler line according to claim 1, characterized in that The flotation machine is composed of a separation component, a contact component and a flocculation component. The separation component is composed of a separation tank, a water outlet pipe, a filter screen, a slag discharge port, a slag collection tank, a support frame, a first connecting rod, a second connecting rod, a slag scraper, a third rotating motor and a support column. The separation tank is an arched structure with an opening at the upper end, and the slag collection tank is a fan-shaped structure with an opening at the upper end. The two ends of the separation tank are respectively in contact with the two ends of the slag collection tank, and the separation tank and the slag collection tank form an annular structure. The top height of the separation tank is greater than or equal to the top height of the slag collection tank. A slag discharge port is provided on the bottom surface of the slag collection tank. A plurality of support columns are located in the middle of the annular structure, and one end of the support column is inserted into the ground. The plurality of support columns are arranged circumferentially along the middle of the annular structure. The third rotary motor is placed in the middle of the top surface of the support frame, one end of the first connecting rod is connected to the motor shaft of the third rotary motor, the angle between one end of the first connecting rod and the motor shaft of the third rotary motor is 90 degrees, the other end of the first connecting rod is vertically placed on one end of the second connecting rod, the scraping plate is horizontally located in the separation pool, and the bottom surface height of the scraping plate is greater than or equal to the top height of the slag collecting pool, the two ends of the scraping plate are respectively in contact with the two inner side surfaces of the separation pool, and the other end of the second connecting rod is placed in the middle of the top surface of the support frame. The top surface of the scraper plate, the second connecting rod is a retractable structure, one end of the water outlet pipe is placed on a side of the separation tank and is connected to the separation tank, the filter screen is placed at one end of the water outlet pipe, the diameter of the filter screen is equal to the inner diameter of the water outlet pipe, the contact assembly is composed of a contact box, a blower, an air intake pipe, a connecting pipe, an air intake branch pipe, a disc aerator, a second rotating motor, a support rod, a rotating disc, a rotating blade and a sewage pipe, the contact box is located in the middle of the multiple support columns, the second rotating motor is placed in the middle of the inner bottom surface of the contact box, the support rod is located in the contact box, the length of the support rod is less than the height of the contact box, one end of the support rod is connected to the motor shaft of the second rotating motor, and the support A rotating disc is sleeved on the side of the support rod, and there are multiple rotating discs, and the multiple rotating discs are arranged equidistantly along the length direction of the support rod. A rotating blade is arranged on the side of the rotating disc, and there are multiple rotating blades, and the multiple rotating blades are arranged equidistantly along the circumferential direction of the side of the rotating disc. The rotating blade is an arc-shaped structure. The blower is located on the outside of the contact box body, one end of the air inlet pipe is connected to the air outlet of the blower and communicated with the air outlet of the blower, and the connecting pipe is placed on the inner bottom surface of the contact box body. The connecting pipe is a closed structure at both ends, and the connecting pipe is parallel to one side of the contact box body and close to one side of the contact box body. The length of the connecting pipe is equal to the length of one side of the contact box body.The other end of the air intake pipe passes through a through hole opened at the bottom of one side of the contact box body and is placed on one end side of the connecting pipe and is connected to the side of one end of the connecting pipe. One end of the air intake branch pipe is vertically placed on the side of the connecting pipe, and the air intake branch pipe is a structure with a closed end at the other end. There are multiple air intake branch pipes, and the multiple air intake branch pipes are equidistantly arranged along the length direction of the side of the connecting pipe. The length of the air intake branch pipe is equal to the length of the other side of the contact box body. A disc aerator is placed on the top side of the air intake branch pipe. There are multiple disc aerators, and the multiple disc aerators are equidistantly arranged along the length direction of the air intake branch pipe. One end of the sewage pipe is respectively arranged on the side of the contact box body, and one end of the sewage pipe is connected to the contact box body. One end of the sewage pipe is close to the top surface of the contact box body, and the other end of the sewage pipe passes through the through hole opened on the other side of the separation tank and is located on the inner bottom surface of the separation tank. The flocculation component is driven by a first rotating motor, The invention comprises a dosing hopper, a sewage inlet pipe, a rotating rod, a spiral blade, a flocculation box and a water outlet. The flocculation box is placed on the top surface of the contact box. One end of the dosing hopper is placed on the top surface of the flocculation box and is connected to the flocculation box. The diameter of the dosing hopper remains unchanged from one end to one third of the flocculation box and gradually increases from one third of the flocculation box to the other end. The first rotating motor is placed in the middle of the top surface of the flocculation box. The rotating rod is placed in the flocculation box. One end of the rotating rod is connected to the motor shaft of the first rotating motor through a through hole opened in the middle of the flocculation box. The length of the rotating rod is less than the height of the flocculation box. The spiral blade is placed on the side of the rotating rod. The length of the spiral blade is equal to the length of the rotating rod. A plurality of flow-disturbing protrusions are evenly arranged on the spiral blade. One end of the sewage inlet pipe is placed on one side of the flocculation box and is connected to the flocculation box. A water outlet is opened on the bottom surface of the flocculation box. The water outlet is located on the side of the bottom surface of the flocculation box.

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