A sewage treatment device for environmental protection

Abstract

The present application belongs to sewage treatment technical field, and particularly relates to a sewage treatment equipment for environmental protection management, which comprises an aeration tank, two partitions are connected in the aeration tank, the aeration tank is divided into a water inlet area, an aeration area and a water outlet area, an aeration pump is installed outside the aeration tank, a fixed pipe is connected to the upper part of the aeration tank, an outer cylinder is communicated with the end of the fixed pipe, a filter cylinder with through holes on the surface and an air inlet at the end is connected in the outer cylinder, a rotating spiral cleaning part is arranged in the filter cylinder, a plurality of air blowers are installed in the aeration area of the aeration tank, the air in the fixed pipe is sucked to the air blowers by the aeration pump, and an air sparger is installed on each air blower. The treating agent is added to the water inlet area for preliminary treatment of the sewage, the sewage is stirred by the stirring rod, the aeration pump is controlled to make the air sparger spray air for aeration, the through holes of the filter cylinder filter the air, the rotating spiral cleaning part pushes out the impurities in the filter cylinder, the cleaning is convenient, the scraper reciprocally rotates in the forward and reverse directions to clean the surface of the air sparger, and the aeration effect is ensured.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of sewage treatment, and particularly relates to a sewage treatment equipment for environmental governance. BACKGROUND

[0002] In the key process of sewage treatment, aeration is a process of forcibly introducing air or oxygen into sewage to dissolve oxygen in water. The purpose of aeration is to provide sufficient dissolved oxygen for microorganisms and promote the degradation of organic matter.

[0003] The existing sewage aeration treatment equipment sends air into the aeration tank through a blower, which has the following defects:

[0004] (1) The aeration head is easily blocked by flocculation or impurities after long-term operation, resulting in a decrease in aeration efficiency, frequent shutdown for manual cleaning, and affecting the overall sewage treatment efficiency;

[0005] (2) The air filter device is easy to accumulate dust, such as a fixed filter screen, which needs to be disassembled for cleaning, affecting the continuity of filtration. SUMMARY

[0006] In order to solve the problems in the background art, the application provides a sewage treatment equipment for environmental governance.

[0007] The technical scheme is as follows: a sewage treatment equipment for environmental governance, comprising an aeration tank, two partitions are connected in the aeration tank, the aeration tank is divided into a water inlet area, an aeration area and a water outlet area, an aeration pump is installed on the outside of the aeration tank, a fixed pipe is connected to the upper part of the aeration tank, an outer cylinder is communicated at the end of the fixed pipe, a filter cylinder with through holes on the surface and an air inlet at the end is connected in the outer cylinder, a rotating spiral cleaning piece is arranged in the filter cylinder, a plurality of blowers are installed in the aeration area of the aeration tank, the air in the fixed pipe is sucked by the aeration pump to the blowers, a row of aeration heads are installed on each blower, and a rotating scraper is arranged on the surface of each aeration head.

[0008] As a preferred, the sewage treatment equipment for environmental governance further comprises a driving motor and a connecting shaft, the driving motor is connected to the outside of the fixed pipe, the output shaft of the driving motor is connected with the connecting shaft, the connecting shaft extends into the fixed pipe and the outer cylinder, and the spiral cleaning piece is connected to the connecting shaft.

[0009] As a preferred, the sewage treatment equipment for environmental governance further comprises a gear, the top of each scraper is connected with a gear, each blower is provided with a sliding translation rod, each translation rod has a row of gear racks, and the gear racks are respectively engaged with the gears.

[0010] As preferred, the sewage treatment equipment for environmental governance further comprises a stirring mechanism, the stirring mechanism comprises a rotating rod, a stirring rod, a rotating shaft and a universal joint, the rotating rod is rotatably connected to the aeration tank at the water inlet area, the stirring rod is connected to the rotating rod, the rotating shaft is rotatably connected to the aeration tank, and the rotating shaft and the rotating rod are connected through the universal joint.

[0011] As preferred, the sewage treatment equipment for environmental governance further comprises a translation frame, a ball and a cam, the left side partition plate is provided with the sliding translation frame, the translation frame is connected to the translation rod at one end of the aeration area, the upper end of the rotating rod is connected to the cam, the top surface of the cam is provided with a guide groove, and the translation frame at one end of the water inlet area is provided with the ball.

[0012] As preferred, the guide groove is in an elliptical shape, and the ball rolls in the guide groove.

[0013] As preferred, the sewage treatment equipment for environmental governance further comprises a feeding cylinder, a moving rod, an upper circular plate and a lower circular plate, the aeration tank is connected with two open-ended feeding cylinders, the outer side of the aeration tank is connected with two electric push rods, the telescopic rods of the electric push rods are connected with the moving rods, the two moving rods respectively extend into the two feeding cylinders, the moving rods are both connected with the upper circular plates at the middle parts, and the moving rods are both connected with the lower circular plates at the bottom ends.

[0014] As preferred, the sewage treatment equipment for environmental governance further comprises a fixed filter screen, the inner wall of the aeration tank is connected with the fixed filter screen, the aeration tank is provided with a lifting filter screen moving up and down at the water outlet area, the lifting filter screen is connected with a pair of guide rods, the guide rods are provided with a baffle sliding up and down, the baffle is in contact with the right side partition plate, the baffle and the guide rod are connected with an elastic element, the aeration tank is provided with a driving shaft rotating above the water outlet area, the driving shaft is connected with winding wheels at both ends, the winding wheels are both wound with pull ropes, the lifting filter screen is rotatably connected with two pairs of guide wheels at the top, the two pull ropes respectively pass through the two pairs of guide wheels, and the pull ropes are both connected with the baffle at the ends away from the winding wheels.

[0015] The beneficial effects of the present application are as follows: 1. The treatment agent is added to the water inlet area for preliminary treatment of sewage, the stirring rod stirs the sewage, the aeration pump is controlled to make air sprayed from the aeration head for aeration, the through hole of the filter cylinder filters the air, and the rotating spiral cleaning element pushes out the impurities in the filter cylinder, so that the cleaning is convenient, the scraper reciprocally rotates in forward and reverse directions to clean the surface of the aeration head, and the aeration effect is ensured.

[0016] 2. The two kinds of treatment agents are respectively added to the two feeding cylinders, and the lower circular plate blocks the lower opening of the feeding cylinder, so that the two kinds of treatment agents are conveniently matched.

[0017] 3. The fixed filter screen and the lifting filter screen play a role in filtering impurities in water, the winding wheel winds the pull rope, the pull rope pulls down the baffle, the winding wheel continues to wind the pull rope, the pull rope pulls up the baffle and the lifting filter screen as a whole, the impurities filtered by the fixed filter screen and the lifting filter screen are conveniently cleaned, and the sewage treatment efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the present application.

[0019] Figure 2 It is a schematic diagram of the structure of the aeration tank of the present application after being cut open.

[0020] Figure 3 It is a front view of the present application. Figure 2

[0021] Figure 4 It is a schematic diagram of the partial cross-sectional structure of the aeration pump, fixed tube, outer cylinder, filter cartridge, spiral cleaning element, drive motor and connecting shaft of the present application.

[0022] Figure 5 It is a schematic diagram of the structure of the air blower, aeration head and translation rod of the present application.

[0023] Figure 6 It is a schematic diagram of the structure of the aeration head, scraper and gear of the present application.

[0024] Figure 7 It is a top view of the scraper, gear and translation rod of the present application.

[0025] Figure 8 It is a schematic diagram of the structure of the rotating rod, stirring rod and rotating shaft of the present application.

[0026] Figure 9 It is an enlarged view of A in the present application. Figure 8

[0027] Figure 10 It is a schematic diagram of the connection relationship of the translation frame, ball and cam of the present application.

[0028] Figure 11 It is a schematic diagram of the partial cross-sectional structure of the feed cylinder, moving rod, upper circular plate and lower circular plate of the present application.

[0029] Figure 12 It is a schematic diagram of the structure of the fixed filter screen, lifting filter screen, guide rod, baffle, drive shaft, pull rope and guide wheel of the present application.

[0030] Figure 13 It is a front view of the fixed filter screen, lifting filter screen, guide rod, baffle, pull rope and guide wheel of the present application.

[0031] ​​Explanation of reference signs: 1-aeration tank, 2-baffle, 21-water inlet pipe, 22-water outlet pipe, 3-aeration pump, 31-input port, 32-output pipe, 4-fixed pipe, 5-outer cylinder, 6-filter cylinder, 61-connection part, 62-air inlet, 7-spiral cleaning part, 71-driving motor, 72-connection shaft, 8-blower, 9-aeration head, 10-scraping plate, 101-gear, 102-translation rod, 103-rack part, 111-rotation rod, 112-stirring rod, 113-rotation shaft, 114-universal joint, 121-translation frame, 122-rolling ball, 123-cam, 124-guide groove, 131-feeding cylinder, 132-moving rod, 133-upper circular plate, 134-lower circular plate, 141-fixed filter screen, 142-lifting filter screen, 143-guide rod, 144-baffle, 145-driving shaft, 146-pulling rope, 147-guide wheel. DETAILED DESCRIPTION

[0032] Embodiment 1: A sewage treatment device for environmental governance, referring to Figures 1-7 , comprising aeration tank 1, baffle 2, aeration pump 3, fixed pipe 4, outer cylinder 5, filter cylinder 6, spiral cleaning part 7, blower 8, aeration head 9 and scraping plate 10, the left and right upper parts of the aeration tank 1 are fixedly connected with baffle 2, and the baffle 2 is spaced from the bottom of the aeration tank 1, the aeration tank 1 is divided into water inlet area, aeration area and water outlet area by two baffles 2, the aeration tank 1 further has a top plate part above the water inlet area, the left side of the aeration tank 1 is communicated with a group of water inlet pipes 21, the right side of the aeration tank 1 is communicated with a group of water outlet pipes 22, the rear side of the aeration tank 1 is installed with aeration pump 3, the upper part of the aeration tank 1 in the water inlet area is connected with fixed pipe 4, the output port of the aeration pump 3 is connected with output pipe 32 communicated with fixed pipe 4, the front end of fixed pipe 4 is communicated with outer cylinder 5, the inside of outer cylinder 5 is connected with filter cylinder 6 with through holes on the surface, the rear end of filter cylinder 6 has connection part 61 connected to the inner wall of outer cylinder 5, the front end of filter cylinder 6 is provided with air inlet 62, and the inside of filter cylinder 6 is provided with rotating spiral cleaning part 7, four blowers 8 are installed in the aeration area of the aeration tank 1 and communicated with input port 31 of aeration pump 3, a row of spaced aeration heads 9 are installed on each blower 8, the surface of aeration head 9 is provided with aeration holes, the air in fixed pipe 4 is sucked by aeration pump 3 to blower 8, so that the air is sprayed from the aeration holes, and the surface of aeration head 9 is provided with rotating scraping plate 10.

[0033] Referring to Figure 4 , the sewage treatment device for environmental governance further comprises driving motor 71 and connection shaft 72, driving motor 71 is bolted to the rear side of fixed pipe 4, the output shaft of driving motor 71 is connected with connection shaft 72, connection shaft 72 extends into the inside of fixed pipe 4 and outer cylinder 5, and spiral cleaning part 7 is fixedly connected to connection shaft 72.

[0034] Referring to Figures 2-7The sewage treatment equipment for environmental governance further comprises gears 101 and translation rods 102, the gears 101 are coaxially rotatable and fixedly connected to the top of the scrapers 10, the translation rods 102 are slidably arranged on the air blower 8, and the translation rods 102 are each provided with a row of rack portions 103 that are arranged at intervals and are in mesh with the gears 101.

[0035] With reference to Figure 2 , Figure 3 , Figure 8 and Figure 9 The sewage treatment equipment for environmental governance further comprises a stirring mechanism, the stirring mechanism comprises a rotating rod 111, stirring rods 112, a rotating shaft 113 and a universal joint 114, the rotating rod 111 is rotatably connected to the aeration tank 1 at the water inlet area, a plurality of groups of the stirring rods 112 are fixedly connected to the rotating rod 111, the rotating shaft 113 is rotatably connected to the top plate of the aeration tank 1 and is driven by a servo motor, the bottom end of the rotating shaft 113 and the top end of the rotating rod 111 are connected through the universal joint 114, and the structure and principle of the universal joint 114 are prior art.

[0036] With reference to Figure 2 , Figure 3 and Figure 10 The sewage treatment equipment for environmental governance further comprises a translation frame 121, a ball 122 and a cam 123, the translation frame 121 is slidably arranged on the left partition plate 2, the translation frame 121 is fixedly connected to the translation rod 102 at one end of the aeration area, the cam 123 is fixedly connected to the top end of the rotating rod 111, the top surface of the cam 123 is provided with a guide groove 124, and the ball 122 is rotatably connected to one end of the translation frame 121 at the water inlet area; the guide groove 124 is elliptical, the ball 122 rolls in the guide groove 124, and when the cam 123 rotates with the rotating rod 111, the ball 122 moves reciprocatingly in the left-right direction through the guide groove 124.

[0037] With reference to Figure 1 , Figure 2 , Figure 3 and Figure 11 The sewage treatment equipment for environmental governance further comprises feeding barrels 131, moving rods 132, upper circular plates 133 and lower circular plates 134, the top plate of the aeration tank 1 is fixedly connected with two feeding barrels 131 that are open at both ends, two electric push rods are bolted to the outer side of the top plate of the aeration tank 1, the moving rods 132 are connected to the telescopic rods of the electric push rods, the two moving rods 132 extend into the two feeding barrels 131, the upper circular plates 133 are fixedly connected to the middle portions of the moving rods 132, and the lower circular plates 134 are fixedly connected to the bottom ends of the moving rods 132, and the upper circular plates 133 and the lower circular plates 134 are matched with the inner walls of the feeding barrels 131.

[0038] The sewage to be treated is continuously introduced into the aeration tank 1 through the water inlet pipe 21, and the sewage enters the aeration zone for aeration treatment, and the treated water is discharged through the water outlet pipe 22.

[0039] In the process of treating the sewage, two kinds of treatment agents are respectively added into the two feeding barrels 131, and in this embodiment, the treatment agents are precipitants, and the lower disc 134 blocks the lower opening of the feeding barrel 131, so as to facilitate the proportioning of the two kinds of treatment agents; when the proportioning of the treatment agents is completed, the electric push rod is controlled to drive the moving rod 132 to move downward to the left along the direction of the feeding barrel 131, so as to drive the upper disc 133 and the lower disc 134 to move downward to the left, the lower disc 134 is separated from the feeding barrel 131, and the upper disc 133 enters the inside of the feeding barrel 131, and under the synergistic action of gravity and the pushing force of the upper disc 133, the treatment agents in the feeding barrel 131 flow into the sewage in the water inlet zone.

[0040] The servo motor is controlled to drive the rotating shaft 113 to rotate, and under the action of the universal joint 114, the rotating rod 111 and the stirring rod 112 are driven to rotate together, the stirring rod 112 stirs the sewage and the treatment agents in the water inlet zone uniformly, so as to preliminarily treat the sewage, and the preliminarily treated water enters the aeration zone again.

[0041] The aeration pump 3 is controlled to suck air, the external air enters the filter cylinder 6 from the air inlet 62, the air in the filter cylinder 6 enters the inside of the rear end of the outer cylinder 5 through the through hole, the through hole plays a role of filtering the air, the filtered air in the inside of the rear end of the outer cylinder 5 passes through the fixed pipe 4, the output pipe 32, the aeration pump 3 and the air blower 8 in turn, and finally the filtered air is sprayed from the aeration head 9, so as to perform aeration treatment on the sewage; the driving motor 71 is controlled to drive the connecting shaft 72 to rotate, so as to drive the spiral cleaning piece 7 to rotate, and the spiral cleaning piece 7 pushes out the impurities in the inside of the filter cylinder 6, so that the cleaning is convenient.

[0042] Meanwhile, the rotating rotating rod 111 drives the cam 123 to rotate together, since the ball 122 is located in the oval-shaped guide groove 124, and the translation frame 121 can only move in the left-right direction, the rotating cam 123 pushes the ball 122 to reciprocate in the left-right direction, the ball 122 rolls in the guide groove 124, the ball 122 drives the translation frame 121 and the translation rod 102 to reciprocate in the left-right direction, the translation rod 102 drives the gear 101 to rotate forward and backward in turn through the rack part 103, drives the scraper 10 to rotate forward and backward in turn, and the scraper 10 cleans the surface of the aeration head 9, reduces the impurities adhered to the surface of the aeration head 9, and ensures the aeration effect.

[0043] Embodiment 2: on the basis of embodiment 1, referring to Figure 1 、 Figure 2 、 Figure 3 、 Figure 12 and Figure 13The sewage treatment equipment for environmental governance further comprises a fixed filter screen 141, a lifting filter screen 142, guide rods 143, a baffle 144, a driving shaft 145, a pull rope 146 and guide wheels 147, the fixed filter screen 141 is connected to the right side of the inner wall of the aeration tank 1, the lifting filter screen 142 is arranged in the water outlet area of the aeration tank 1 and moves up and down, a pair of guide rods 143 are fixedly connected to the top left side of the lifting filter screen 142, the baffle 144 is arranged between the two guide rods 143 and slides up and down, the left side and the right side of the baffle 144 are in contact with the right side of the partition plate 2, an elastic member is connected between the baffle 144 and the guide rods 143, the elastic member is a spring, the driving shaft 145 is arranged above the water outlet area of the aeration tank 1 and rotates, the driving shaft 145 is driven to rotate by a speed reducer, winding wheels are fixedly connected to both ends of the driving shaft 145, the pull ropes 146 are wound around the winding wheels, two pairs of guide wheels 147 are rotatably connected to the top of the lifting filter screen 142, the two pull ropes 146 pass through the two pairs of guide wheels 147 respectively, and the pull ropes 146 are fixedly connected to the baffle 144 at the ends away from the winding wheels.

[0044] The fixed filter screen 141 and the lifting filter screen 142 filter impurities in water, avoid the impurities in water from flowing out through the water outlet pipe 22, the driving shaft 145 is driven to rotate by controlling the speed reducer, the winding wheels wind the pull ropes 146, the pull ropes 146 first pull the baffle 144 to descend, the elastic member deforms, the baffle 144 blocks the impurities at the position of the lifting filter screen 142, when the bottom of the baffle 144 is in contact with the top of the lifting filter screen 142, the winding wheels continue to wind the pull ropes 146, the pull ropes 146 pull the baffle 144 and the lifting filter screen 142 to ascend as a whole, the impurities ascend, the impurities filtered by the fixed filter screen 141 and the lifting filter screen 142 are cleaned, and the sewage treatment efficiency is improved.

Claims

1. A sewage treatment device for environmental protection, comprising an aeration box (1), wherein two partitions (2) are connected inside the aeration box (1), and the aeration box (1) is divided into an inlet area, an aeration area, and an outlet area, characterized in that: An aeration pump (3) is installed on the outside of the aeration box (1), a fixed pipe (4) is connected to the top of the aeration box (1), an end of the fixed pipe (4) is connected to an outer cylinder (5), a filter cartridge (6) having a through hole on the surface and an air inlet (62) at the end is connected to the outer cylinder (5), a rotating spiral cleaning member (7) is provided in the filter cartridge (6), a plurality of blowers (8) are installed in the aeration area of ​​the aeration box (1), the aeration pump (3) draws air from the fixed pipe (4) to the blower (8), a row of aeration heads (9) are installed on each of the blowers (8), and a rotating scraper (10) is provided on the surface of each of the aeration heads (9); The device further comprises a driving motor (71) and a connecting shaft (72), wherein the fixed tube (4) is externally connected to the driving motor (71), the output shaft of the driving motor (71) is connected to the connecting shaft (72), the connecting shaft (72) extends into the fixed tube (4) and the outer cylinder (5), and the spiral cleaning member (7) is connected to the connecting shaft (72); It also includes a gear (101), the top of each scraper (10) is connected to the gear (101), and each blower (8) is provided with a sliding translation rod (102), and each translation rod (102) has a row of rack parts (103), and the rack parts (103) are respectively engaged with the gear (101); The aeration box (1) further comprises a stirring mechanism, the stirring mechanism comprising a rotating rod (111), a stirring rod (112), a rotating shaft (113) and a universal joint (114); the aeration box (1) is rotatably connected to the rotating rod (111) in the water inlet area; the stirring rod (112) is connected to the rotating rod (111); the aeration box (1) is rotatably connected to the rotating shaft (113); the rotating shaft (113) and the rotating rod (111) are connected via a universal joint (114); It also includes a translation frame (121), a ball bearing (122) and a cam (123). The sliding translation frame (121) is provided on the left side partition (2). The translation frame (121) is connected to the translation rod (102) at one end located in the aeration zone. The upper end of the rotating rod (111) is connected to the cam (123). The top surface of the cam (123) is provided with a guide groove (124). The translation frame (121) is provided with a ball bearing (122) at one end located in the water inlet zone. The aeration box (1) further comprises a fixed filter screen (141), the inner wall of the aeration box (1) is connected to the fixed filter screen (141), the aeration box (1) is provided with a lifting filter screen (142) that moves up and down in the water outlet area, the lifting filter screen (142) is connected to a pair of guide rods (143), the guide rods (143) are provided with a baffle (144) that slides up and down, the baffle (144) contacts the partition (2) on the right side, and an elastic member is connected between the baffle (144) and the guide rods (143), the aeration box (1) is provided with a rotating drive shaft (145) above the water outlet area, both ends of the drive shaft (145) are connected to a winding wheel, and a pull rope (146) is wound around the winding wheel, the top of the lifting filter screen (142) is rotatably connected to two pairs of guide wheels (147), the two pull ropes (146) are respectively wound around the two pairs of guide wheels (147), and the ends of the pull ropes (146) away from the winding wheel are connected to the baffle (144).

2. The sewage treatment equipment for environmental protection according to claim 1, characterized in that: The guide groove (124) is elliptical, and the ball (122) rolls in the guide groove (124).

3. The sewage treatment equipment for environmental protection according to claim 2, characterized in that: The sewage treatment equipment for environmental protection also includes a feed barrel (131), a moving rod (132), an upper circular plate (133) and a lower circular plate (134). Two feed barrels (131) with openings at both ends are connected to the aeration box (1). Two electric push rods are connected to the outside of the aeration box (1). The telescopic rods of the electric push rods are connected to the moving rods (132). The two moving rods (132) extend into the two feed barrels (131) respectively. The middle of the moving rods (132) is connected to the upper circular plate (133). The bottom of the moving rods (132) is connected to the lower circular plate (134). The upper circular plate (133) and the lower circular plate (134) are both matched with the inner wall of the feed barrel (131).

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