Air flotation machine sediment filtering structure and air flotation machine

Abstract

The present invention discloses a flotation machine sediment filtering structure and a flotation machine. A structure is disclosed in which sediment is transported to a filter belt through a suction pump, a first conveying pipe and a second conveying pipe, and the sediment is dehydrated through the filter belt, so as to reduce the water content in the sediment and improve the filtering effect of the sediment. The structure is characterized in that it is composed of a conveying component, a supporting component and a filtering component. The conveying component is composed of a separation tank, a first conveying pipe, a first closing plate, a suction pump, a connecting shaft, a torsion spring, a second closing plate, a second conveying pipe and a supporting column. One end of the first conveying pipe is placed at the bottom of the side of the separation tank. Connecting shafts are respectively arranged on both sides of one end of the first conveying pipe. A torsion spring is sleeved on the connecting shaft. The arc side of the first closing plate is hinged to one side of the inner wall of one end of the first conveying pipe through the connecting shaft. The arc side of the second closing plate is hinged to the other side of the inner wall of one end of the first conveying pipe through the connecting shaft.

Description

Technical Field

[0001] The present invention discloses a flotation machine sediment filtering structure and a flotation machine, which relate to a structure capable of improving the filtering effect of sediments, and belong to the technical field of sewage treatment, and particularly to a structure capable of transporting sediments to a filter belt through a suction pump, a first conveying pipe, and a second conveying pipe, and dehydrating the sediment through the filter belt, thereby reducing the water content in the sediment and improving the filtering effect of the sediment. 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 flocculant is fully contacted with sewage through a flocculation component to produce floccules. The floccules with a density less than that of water are fully bonded with tiny bubbles through a contact component to form floccules. Finally, the floccules and sewage enter the separation tank through a sewage discharge pipe. The floccules float to the surface of the water in the separation tank under the action of buoyancy to form scum. The scum on the surface of the water in the separation tank is scraped into the scum collection tank through a separation component. The floccules with a density greater than that of water are precipitated to the bottom of the separation tank. The water in the middle of the separation tank is further filtered through the filter screen of the outlet pipe and discharged from the outlet pipe. The filtered suspended particles are also precipitated to the bottom of the separation tank. The flotation machine does not further dehydrate these sediments and some sewage that has not been discharged through the outlet pipe to reduce the water content in the sediments. Long-term accumulation will form stubborn sludge at the bottom of the separation tank, affecting the cleaning of the separation tank and the effect of solid-liquid separation. Summary of the invention

[0005] In order to improve the above situation, the present invention provides a flotation machine sediment filtering structure and an air flotation machine, which provides a structure that transports sediment to a filter belt through a suction pump, a first conveying pipe and a second conveying pipe, and dehydrates the sediment through the filter belt, thereby reducing the water content in the sediment and improving the filtering effect of the sediment.

[0006] The present invention provides a flotation machine sediment filtering structure and an air flotation machine as follows: The present invention provides a flotation machine sediment filtering structure comprising a conveying component, a supporting component and a filtering component. The conveying assembly is composed of a separation tank, a first conveying pipe, a first closing plate, a suction pump, a connecting shaft, a torsion spring, a second closing plate, a second conveying pipe and a supporting column. One end of the first delivery pipe is placed at the bottom of the side of the separation tank. Connecting shafts are disposed on both sides of one end of the first delivery pipe. A torsion spring is sleeved on the connecting shaft. The first closing plate and the second closing plate are semicircular structures. The arc-shaped side edge of the first closing plate is hinged to one side of the inner wall of one end of the first conveying pipe through the connecting shaft. The arc-shaped side edge of the second closing plate is hinged to the other side of the inner wall of one end of the first conveying pipe through the connecting shaft. The diameter of the first closing plate is equal to the diameter of the second closing plate and equal to the inner diameter of the first conveying pipe, The straight side of the first closing plate is provided with an arc end, The straight side of the second closing plate is provided with an arc groove corresponding to the arc end. The supporting column is located outside the separation tank. The suction pump is placed in the middle of the top surface of the supporting column. The other end of the first delivery pipe is connected to the water inlet of the suction pump and communicates with the water inlet of the suction pump. One end of the second delivery pipe is connected to the water outlet of the suction pump and communicates with the water outlet of the suction pump. The support assembly is composed of a support bottom plate, a first support plate, a second support plate, a first support side plate, a second support side plate, a support member, a mud collecting box and a mud discharge pipe. The supporting base plate is located on one side of the supporting column. A first supporting plate is vertically disposed at one end of the supporting bottom plate, and the width of the first supporting plate is slightly greater than the width of the supporting bottom plate. A second supporting plate is vertically arranged at the other end of the supporting bottom plate. Preferably, the supporting bottom plate and the second supporting plate are integrally formed, and the width of the second supporting plate is equal to the width of the supporting bottom plate. The height of the first support plate is greater than the height of the second support plate, A first supporting side plate is vertically arranged on one side of the supporting bottom plate. A second supporting side plate is vertically arranged on the other side of the supporting bottom plate. The length of the first supporting side plate is equal to the length of the second supporting side plate, and is greater than or equal to the length of the supporting bottom plate. The height of the first supporting side plate is equal to the height of the second supporting side plate, and gradually increases from one end to the other end. The height of the first supporting side plate is greater than or equal to the height of the first supporting plate, Preferably, the supporting bottom plate, the first supporting plate, the second supporting plate, the first supporting side plate and the second supporting side plate together form a box body with an open top. The support member is placed on a support base in the middle of the top surface of the first support plate. Preferably, the support member is a circular structure, and the inner side surface of the support member is provided with anti-slip grooves. One side of the mud collecting box is placed on the side of the second supporting plate. The mud collecting box is a trapezoidal structure with an open upper end, and the width of the mud collecting box gradually decreases from top to bottom. Preferably, the upper end of the mud collecting box is flush with the top surface of the second supporting plate. One end of the mud discharge pipe is placed in the middle of the bottom surface of the mud collecting box and is connected to the mud collecting box. The filter assembly is composed of a filter belt, a main rotating roller, a secondary rotating roller, a water storage chamber and a drainage pipe. The rotating shaft at one end of the main rotating roller is placed at one end of the inner side surface of the first supporting side plate through a bearing, and the rotating shaft at the other end of the main rotating roller is placed at one end of the inner side surface of the second supporting side plate through a bearing. The rotating shaft from one end of the rotating roller is placed at the other end of the inner side surface of the first supporting side plate through a bearing, and the rotating shaft from the other end of the rotating roller is placed at the other end of the inner side surface of the second supporting side plate through a bearing. The main rotating roller is located above the top surface of the second supporting plate and close to the top surface of the second supporting plate. The rotating roller approaches the first supporting plate, Preferably, the height of the main rotating roller is greater than the height of the slave rotating roller. A fourth rotating motor is disposed on the side of the second supporting side plate. The rotating shaft at the other end of the main rotating roller is connected to the motor shaft of the fourth rotating motor through a through hole opened on the side of the second supporting side plate. The main rotating roller and the slave rotating roller are connected via a filter belt. The other end of the second conveying pipe passes through the support member and is located above one end of the filter belt. Preferably, the other end of the second delivery pipe is a downwardly bent structure. Preferably, the outer diameter of the second delivery pipe is equal to the inner diameter of the support member. Preferably, the width of the filter belt is smaller than the width of the upper end of the mud collecting box. A water storage cavity is formed between the bottom surface of the filter belt and the supporting bottom plate. One end of the drainage pipe is placed at the bottom of the side of the second support plate and is connected to the water storage cavity. Furthermore, the bottom surface of the mud collecting box is a mud collecting bottom plate, and the mud collecting bottom plate is a detachable structure; Furthermore, one end of the delivery port is disposed at the other end of the second delivery pipe, and the diameter of the delivery port gradually increases from one end to the other end.

[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. By controlling the opening and closing of the first closing plate and the second closing plate through the torsion spring, the sewage in the separation tank can be prevented from entering the first delivery pipe when the suction pump is not started; after the suction pump is started, the stress of the torsion spring is overcome under the action of the suction pump, and the first closing plate and the second closing plate are rotated open, allowing the sewage to enter the first delivery pipe.

[0009] 2. The fourth rotating motor drives the main rotating roller to rotate, the main rotating roller drives the slave rotating roller to rotate, the filter belt drives the sediment to move forward, the water in the sediment is filtered by the filter belt and enters the water storage chamber, and is discharged from the drain pipe. The dehydrated sediment moves into the mud collecting box with the movement of the filter belt and is discharged from the mud discharge pipe, which can reduce the water content in the sediment and improve the filtering effect of the sediment. BRIEF DESCRIPTION OF THE DRAWINGS

[0010] Figure 1 It 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 This is a three-dimensional structural diagram of a sediment filtering structure of an air flotation machine according to the present invention, in which only the connection structure of the first conveying pipe and the separation tank is shown; Figure 8 It is a three-dimensional structural diagram of a sediment filtering structure of an air flotation machine of the present invention; Fig. 9 This is a three-dimensional structural diagram of a sediment filtering structure of an air flotation machine according to the present invention, in which only the structure of the filtering component is shown; Fig.10 This is a three-dimensional structural diagram of a sediment filtering structure of an air flotation machine according to the present invention, in which only the structures of the first closing plate, the second closing plate, the connecting shaft and the torsion spring are shown; Fig.11 It is a three-dimensional structural diagram of Example 2 of an air flotation machine sediment filtering structure of the present invention; Fig.12 It is a three-dimensional structural diagram of Example 3 of an air flotation machine sediment filtering structure of the present invention. Attached photos

[0011] The components include: 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), and a rotating blade (28), water outlet hole (29), spoiler hole (30), spoiler strip (31), first conveying pipe (32), first closing plate (33), suction pump (34), support member (35), first supporting plate (36), first supporting side plate (37), filter belt (38), mud discharge pipe (39), drainage pipe (40), second supporting plate (41), mud collecting box (42), second supporting side plate (43), main rotating roller (44), slave rotating roller (45), water storage chamber (46), supporting bottom plate (47), torsion spring (48), second closing plate (49), connecting shaft (50), supporting column (51), second conveying pipe (52), mud collecting bottom plate (53), conveying port (54). DETAILED DESCRIPTION Example 1

[0012] The present invention discloses an air flotation machine sediment filtering structure, which is composed of a conveying component, a supporting component and a filtering component. The conveying assembly is composed of a separation tank (1), a first conveying pipe (32), a first closing plate (33), a suction pump (34), a connecting shaft (50), a torsion spring (48), a second closing plate (49), a second conveying pipe (52), and a supporting column (51). One end of the first delivery pipe (32) is placed at the bottom of the side of the separation tank (1). Connecting shafts (50) are respectively disposed on both sides of one end of the first delivery pipe (32). A torsion spring (48) is sleeved on the connecting shaft (50). The first closing plate (33) and the second closing plate (49) are semicircular structures. The arc-shaped side edge of the first closing plate (33) is hingedly connected to one side of the inner wall of one end of the first conveying pipe (32) through the connecting shaft (50). The arc-shaped side edge of the second closing plate (49) is hingedly connected to the other side of the inner wall of one end of the first conveying pipe (32) through the connecting shaft (50). The diameter of the first closing plate (33) is equal to the diameter of the second closing plate (49), and is equal to the inner diameter of the first delivery pipe (32). The straight side of the first closing plate (33) is provided with an arc end. The straight side of the second closing plate (49) is provided with an arc groove corresponding to the arc end. The supporting column (51) is located outside the separation tank (1). The suction pump (34) is placed in the middle of the top surface of the supporting column (51). The other end of the first delivery pipe (32) is connected to the water inlet of the suction pump (34), and communicates with the water inlet of the suction pump (34). One end of the second delivery pipe (52) is connected to the water outlet of the suction pump (34), and is in communication with the water outlet of the suction pump (34). The support assembly is composed of a support bottom plate (47), a first support plate (36), a second support plate (41), a first support side plate (37), a second support side plate (43), a support member (35), a mud collecting box (42), and a mud discharge pipe (39). The supporting bottom plate (47) is located on one side of the supporting column (51). A first support plate (36) is vertically disposed at one end of the support bottom plate (47); the width of the first support plate (36) is slightly greater than the width of the support bottom plate (47). A second supporting plate (41) is vertically arranged at the other end of the supporting bottom plate (47). Preferably, the supporting bottom plate (47) and the second supporting plate (41) are integrally formed, and the width of the second supporting plate (41) is equal to the width of the supporting bottom plate (47). The height of the first support plate (36) is greater than the height of the second support plate (41), A first supporting side plate (37) is vertically arranged on one side of the supporting bottom plate (47). A second supporting side plate (43) is vertically arranged on the other side of the supporting bottom plate (47). The length of the first supporting side plate (37) is equal to the length of the second supporting side plate (43), and is greater than or equal to the length of the supporting bottom plate (47). The height of the first supporting side plate (37) is equal to the height of the second supporting side plate (43), and gradually increases from one end to the other end. The height of the first supporting side plate (37) is greater than or equal to the height of the first supporting plate (36), Preferably, the supporting bottom plate (47), the first supporting plate (36), the second supporting plate (41), the first supporting side plate (37) and the second supporting side plate (43) together form a box body with an open top. The support member (35) is placed on a support base in the middle of the top surface of the first support plate (36). Preferably, the support member (35) is a circular structure, and the inner side surface of the support member (35) is provided with anti-slip grooves. One side of the mud collecting box (42) is placed on the side of the second supporting plate (41). The mud collecting box (42) is a trapezoidal structure with an open upper end, and the width of the mud collecting box (42) gradually decreases from top to bottom. Preferably, the upper end of the mud collecting box (42) is flush with the top surface of the second supporting plate (41). One end of the mud discharge pipe (39) is placed in the middle of the bottom surface of the mud collecting box (42) and is connected to the mud collecting box (42). The filter assembly is composed of a filter belt (38), a main rotating roller (44), a secondary rotating roller (45), a water storage chamber (46), and a drainage pipe (40). The rotating shaft at one end of the main rotating roller (44) is placed at one end of the inner side surface of the first supporting side plate (37) via a bearing. A rotating shaft from one end of the rotating roller (45) is placed on the other end of the inner side surface of the first supporting side plate (37) through a bearing. The main rotating roller (44) is located above the top surface of the second supporting plate (41) and close to the top surface of the second supporting plate (41). The slave rotating roller (45) approaches the first supporting plate (36), Preferably, the height of the main rotating roller (44) is greater than the height of the secondary rotating roller (45). A fourth rotating motor is disposed on the side of the second supporting side plate (43). The rotating shaft at the other end of the main rotating roller (44) is connected to the motor shaft of the fourth rotating motor via a through hole opened on the side of the second supporting side plate (43). The main rotating roller (44) and the secondary rotating roller (45) are connected via a filter belt (38). The other end of the second conveying pipe (52) passes through the support member (35) and is located above one end of the filter belt (38). Preferably, the other end of the second delivery pipe (52) is a downwardly bent structure. Preferably, the outer diameter of the second delivery pipe (52) is equal to the inner diameter of the support member (35). Preferably, the width of the filter belt (38) is smaller than the width of the upper end of the mud collecting box (42). A water storage chamber (46) is formed between the bottom surface of the filter belt (38) and the supporting bottom plate (47). One end of the drainage pipe (40) is placed at the bottom of the side surface of the second support plate (41) and is connected to the water storage chamber (46); During use, when the sewage is subjected to solid-liquid separation in the separation tank (1), the first closing plate (33) and the second closing plate (49) completely close one end of the first delivery pipe (32) under the action of the stress of the torsion spring (48), so that the sewage cannot enter the first delivery pipe (32); when the solid-liquid separation is completed, the floccules with a density greater than that of water settle to the bottom of the separation tank (1), and the water in the middle of the separation tank (1) is further filtered through the filter screen (16) of the outlet pipe (8) and discharged from the outlet pipe (8). After the filtered suspended particles are also settled to the bottom of the separation tank (1), the suction pump (34) is started, the stress of the torsion spring (48) is overcome under the action of the suction pump (34), the first closing plate (33) and the second closing plate (49) are opened, and the sediment and part of the undischarged water are discharged. The sewage discharged from the pipe (8) enters the first conveying pipe (32), enters the suction pump (34) from the first conveying pipe (32), enters the second conveying pipe (52) from the suction pump (34), flows from the second conveying pipe (52) to the filter belt (38), starts the fourth rotating motor, drives the main rotating roller (44) to rotate, the main rotating roller (44) drives the secondary rotating roller (45) to rotate, the filter belt (38) drives the sediment to move forward, the water in the sediment is filtered through the mesh on the filter belt (38) into the water storage chamber (46), and is discharged from the drainage pipe (40), the sediment after dehydration treatment enters the mud collecting box (42) along with the movement of the filter belt (38), and is discharged from the mud discharge pipe (39), so that the water content in the sediment can be reduced and the filtering effect of the sediment can be improved; Example 2

[0013] The difference between this embodiment and the first embodiment is that the bottom surface of the mud collecting box (42) is a mud collecting bottom plate (53), and the mud collecting bottom plate (53) is a detachable structure. When in use, the sediment that has been dehydrated is easily squeezed into blocks under the action of gravity when entering the mud collecting box (42), causing blockage of the mud discharge pipe (39), making it inconvenient to discharge the sediment. The detachable mud collecting bottom plate (53) is more convenient for directly transporting the sediment in the mud collecting box (42), and can prevent the sediment from accumulating at the bottom of the mud collecting box (42) to form stubborn sludge and blockage of the mud discharge pipe (39). Example 3

[0014] The difference between this embodiment and embodiment 1 is that one end of the delivery port (54) is disposed at the other end of the second delivery pipe (52), and the diameter of the delivery port (54) gradually increases from one end to the other end; when in use, the delivery port (54) can increase the range of sediment falling onto the filter belt (38), preventing the sediment from passing through the second delivery pipe (52) and falling only at a certain position on the filter belt (38), thereby making the lateral distribution of the sediment on the filter belt (38) more uniform, being more conducive to the dehydration treatment of the sediment by the filter belt (38), and being able to improve the filtering efficiency and effect of the sediment; The diameter of the first closing plate (33) is equal to the diameter of the second closing plate (49), and is also equal to the inner diameter of the first delivery pipe (32), so that the first closing plate (33) and the second closing plate (49) can completely seal one end of the first delivery pipe (32), thereby preventing sewage in the separation tank (1) from entering the first delivery pipe (32) when the suction pump (34) is not started; The straight side of the first closing plate (33) is provided with an arc end, and the straight side of the second closing plate (49) is provided with an arc groove corresponding to the arc end, so that the first closing plate (33) and the second closing plate (49) can be completely closed by the engagement of the arc end and the arc groove to form a whole, and when the suction pump (34) is not started, the first input pipe is completely sealed to prevent the sewage in the separation tank (1) from entering the first delivery pipe (32); The support bottom plate (47), the first support plate (36), the second support plate (41), the first support side plate (37) and the second support side plate (43) together form a box body with an open top, which can provide better support for the filter assembly and better stability; The upper end of the mud collecting box (42) is designed to be flush with the top surface of the second support plate (41), so that the upper end of the mud collecting box (42) is close to the other end of the filter belt (38), so that the sediment on the filter belt (38) that has been dehydrated can enter the mud collecting box (42) better; The design that the width of the filter belt (38) is smaller than the width of the upper end of the mud collecting box (42) enables the sediment on the filter belt (38) that has been dehydrated to completely enter the mud collecting box (42), thereby preventing part of the sediment that has been dehydrated from spilling out of the mud collecting box (42); The height of the main rotating roller (44) is greater than the height of the secondary rotating roller (45), so that the height of the filter belt (38) gradually increases from one end to the other end. The filter belt (38) dehydrates the sediment during its movement, and the water in the sediment is discharged through the mesh of the filter belt (38), thereby preventing the discharged water from flowing back into the sediment and affecting the dehydration effect of the sediment. The other end of the second conveying pipe (52) is designed as a downwardly curved structure, which enables the sediment to be evenly released onto the filter belt (38) under the action of gravity, thereby reducing the splashing of the sediment; The support member (35) is a circular structure, the outer diameter of the second delivery pipe (52) is equal to the inner diameter of the support member (35), and the inner side surface of the support member (35) is provided with an anti-slip pattern, so that the support member (35) and the second delivery pipe (52) fit closely together, thereby increasing the friction between the support member (35) and the second delivery pipe (52), and reducing the sliding of the second delivery pipe (52) on the inner side of the support member (35) when the suction pump (34) is working, so that the sediment can be released more stably onto the filter belt (38) for dehydration treatment; The purpose is achieved by conveying the sediment to the filter belt (38) through the suction pump (34), the first conveying pipe (32) and the second conveying pipe (52), dehydrating the sediment through the filter belt (38), reducing the water content in the sediment and improving the filtering effect of the sediment.

[0015] It should be noted that the sediment filtering structure is applicable to the following 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

[0016] 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

[0017] 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.

[0018] 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.

[0019] 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.

[0020] 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 sediment filtering structure, characterized by: The utility model is composed of a conveying component, a supporting component and a filtering component. The conveying component is composed of a separation tank, a first conveying pipe, a first closing plate, a suction pump, a connecting shaft, a torsion spring, a second closing plate, a second conveying pipe and a supporting column. One end of the first conveying pipe is placed at the bottom of the side of the separation tank. Connecting shafts are respectively arranged on both sides of one end of the first conveying pipe. A torsion spring is sleeved on the connecting shaft. The first closing plate and the second closing plate are semicircular structures. The arc-shaped side edge of the first closing plate is hinged to one side of the inner wall of one end of the first conveying pipe through the connecting shaft. The arc-shaped side edge of the second closing plate is hinged to the other side of the inner wall of one end of the first conveying pipe through the connecting shaft. The supporting column is located on the outside of the separation tank. , the suction pump is placed in the middle of the top surface of the supporting column, the other end of the first delivery pipe is connected to the water inlet of the suction pump and communicated with the water inlet of the suction pump, one end of the second delivery pipe is connected to the water outlet of the suction pump and communicated with the water outlet of the suction pump, the supporting assembly is composed of a supporting bottom plate, a first supporting plate, a second supporting plate, a first supporting side plate, a second supporting side plate, a supporting member, a mud collecting box and a mud discharge pipe, the supporting bottom plate is located on one side of the supporting column, one end of the supporting bottom plate is vertically provided with the first supporting plate, the other end of the supporting bottom plate is vertically provided with the second supporting plate, one side of the supporting bottom plate is vertically provided with the first supporting side plate, and the other side of the supporting bottom plate is vertically provided with the A second supporting side plate is placed vertically, a supporting member is placed on a supporting base in the middle of the top surface of the first supporting plate, one side surface of the mud collecting box is placed on the side surface of the second supporting plate, one end of the mud discharge pipe is placed in the middle of the bottom surface of the mud collecting box and is connected to the mud collecting box, the filtering assembly is composed of a filter belt, a main rotating roller, a slave rotating roller, a water storage chamber and a drainage pipe, the rotating shaft at one end of the main rotating roller is placed at one end of the inner side surface of the first supporting side plate through a bearing, the rotating shaft at the other end of the main rotating roller is placed at one end of the inner side surface of the second supporting side plate through a bearing, the rotating shaft at one end of the slave rotating roller is placed at the other end of the inner side surface of the first supporting side plate through a bearing, and the rotating shaft at the other end of the slave rotating roller is placed at the second supporting side plate through a bearing At the other end of the inner side surface, the main rotating roller is located above the top surface of the second support plate and close to the top surface of the second support plate, the slave rotating roller is close to the first support plate, and a fourth rotating motor is arranged on the side surface of the second supporting side plate, and the rotating shaft at the other end of the main rotating roller is correspondingly connected to the motor shaft of the fourth rotating motor through a through hole opened on the side surface of the second supporting side plate, the main rotating roller and the slave rotating roller are connected through a filter belt, the other end of the second conveying pipe passes through the support member and is located above one end of the filter belt, a water storage chamber is formed between the bottom surface of the filter belt and the supporting bottom plate, and one end of the drainage pipe is placed at the bottom of the side surface of the second support plate and is communicated with the water storage chamber.

2. The air flotation machine sediment filtering structure according to claim 1, characterized in that The bottom surface of the mud collecting box is a mud collecting bottom plate, and the mud collecting bottom plate is a detachable structure.

3. The air flotation machine sediment filtering structure according to claim 1, characterized in that One end of the delivery port is disposed at the other end of the second delivery pipe, and the diameter of the delivery port gradually increases from one end to the other end.

4. The air flotation machine sediment filtering structure according to claim 1, characterized in that The diameter of the first closing plate is equal to the diameter of the second closing plate and equal to the inner diameter of the first conveying pipe. The straight side of the first closing plate is provided with an arc end, and the straight side of the second closing plate is provided with an arc groove corresponding to the arc end.

5. The air flotation machine sediment filtering structure according to claim 1, characterized in that The width of the first support plate is slightly greater than the width of the support bottom plate. The support bottom plate and the second support plate are integrally formed. The width of the second support plate is equal to the width of the support bottom plate.

6. The air flotation machine sediment filtering structure according to claim 1 or 5, characterized in that The height of the first support plate is greater than that of the second support plate, the length of the first support side plate is equal to that of the second support side plate, and is greater than or equal to the length of the support bottom plate, the height of the first support side plate is equal to that of the second support side plate, and gradually increases from one end to the other.

7. The air flotation machine sediment filtering structure according to claim 6, characterized in that The height of the first supporting side plate is greater than or equal to the height of the first supporting plate, and the supporting bottom plate, the first supporting plate, the second supporting plate, the first supporting side plate and the second supporting side plate together form a box body with an open upper end.

8. The air flotation machine sediment filtering structure according to claim 1, characterized in that The mud collecting box is a trapezoidal structure with an open upper end, the width of the mud collecting box gradually decreases from top to bottom, the upper end of the mud collecting box is flush with the top surface of the second support plate, the support member is a circular structure, and the inner side surface of the support member is provided with anti-slip grooves.

9. The air flotation machine sediment filtering structure according to claim 1, characterized in that The height of the main rotating roller is greater than that of the slave rotating roller, the other end of the second conveying pipe is a downwardly bent structure, the outer diameter of the second conveying pipe is equal to the inner diameter of the support, and the width of the filter belt is smaller than the upper end width of the mud collecting box.

10. The air flotation machine sediment filtering structure 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. The bottom surface of the slag collection tank 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 the support column is inserted into the ground. The plurality of support columns are equidistantly arranged circumferentially along the middle 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 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 at one end of the second connecting rod, the scraper plate is horizontally located in the separation tank, and the bottom surface height of the scraper plate is greater than or equal to the top height of the slag collecting tank, the two ends of the scraper plate are respectively in contact with the two inner side surfaces of the separation tank, the other end of the second connecting rod is placed on 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 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, 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, a rotating blade and a sewage pipe, and the contact box is located in the multi The cam is an axially parallel structure of the second motor and the cam is a longitudinally parallel structure of the second motor. The cam is a longitudinally parallel structure of the second motor and the cam is a longitudinally parallel structure of the second motor. The cam is a longitudinally parallel structure of the second motor and the cam is a longitudinally parallel structure of the second motor.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.

Images