Efficient baffling coagulation air floatation rural sewage treatment device

Abstract

The utility model relates to the technical field of environmental protection equipment, in particular to an efficient baffling coagulation air floatation rural sewage treatment device. The device comprises a coagulation mechanism, a baffling mechanism and an air flotation mechanism, a first water pump is arranged between the coagulation mechanism and the baffling mechanism, a second water pump is arranged between the baffling mechanism and the air flotation mechanism, a clean water tank is arranged on the outer side of the air flotation mechanism, a reflux pump is arranged between the air flotation mechanism and the coagulation mechanism, and a water outlet is formed in the outer side of the air flotation mechanism. A dosing funnel is arranged on the outer side of the coagulation mechanism. According to the utility model, a large number of bubbles can be generated, the contact between sewage and suspended matters is improved, and the bubbles and floccules can float up to the surface of the sewage, so that the sewage treatment is more uniform, the overall purification effect is improved, the frequency of repeated aeration is reduced, and the sewage treatment efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to environmental protection equipment technical field especially relates to a high -efficient baffling coagulation air floatation rural sewage treatment device. BACKGROUND

[0002] Domestic sewage usually includes domestic sewage, agricultural production sewage (such as waste water in planting, breeding), and part rainwater and industrial waste water etc. Along with the advance of urbanization process of our country, rural population gradually flows to the city, but still has a large number of rural areas due to the problem of imperfect infrastructure, sewage treatment facilities construction lag, fund and technology shortage, leading to low sewage treatment level, serious pollution, rural sewage pollution not only threatens water environment, also can influence farmland irrigation water source, and even potential threat to the health of villagers.

[0003] Therefore, the rural sewage needs to be treated, in the prior art, the application number is: 202321205384.1 high -efficient baffling coagulation air floatation complete device, including coagulation device, aerobic baffling mechanism, dissolved air floatation device;The side of aerobic baffling mechanism is placed with water pump, the top of water pump is movably sleeved with drain pipe, the other end of aerobic baffling mechanism is fixedly sleeved with baffling pool, the top of baffling pool is fixedly connected with cover, the bottom of cover is fixedly connected with the upper baffle of three, the upper baffle is fixedly connected with baffling plate respectively, the bottom of baffling pool inner wall is fixedly connected with the lower baffle of two, dissolved air floatation device is installed with air floatation tank, the side of air floatation tank is provided with water inlet, the side of air floatation tank is fixedly connected with torque motor, torque motor top transmission is connected with movable rod;Through the bacteria-containing sludge, the ammonia nitrogen, COD, total phosphorus, total nitrogen contained in sewage are effectively degraded by the aerobic bacteria contained in bacteria-containing sludge, biological pollution removal is realized, the problem of sewage pollution removal intensity is solved, and the efficiency of water purification is improved;

[0004] The device can solve the problem of sewage pollution removal intensity, but the bubble generation of the device only relies on the micro-bubble former, and once the micro-bubble former fails, the bubbles cannot be generated, and the number of bubbles generated by the micro-bubble former is limited, resulting in low reaction rate of sewage and suspended matter, thereby resulting in poor sewage treatment efficiency, therefore, the present invention develops a high -efficient baffling coagulation air floatation rural sewage treatment device. Utility model content

[0005] In order to overcome the shortcomings that the bubble generation of the existing device only relies on the micro-bubble former, and once the micro-bubble former fails, the bubbles cannot be generated, and the number of bubbles generated by the micro-bubble former is limited, resulting in low reaction rate of sewage and suspended matter, thereby resulting in poor sewage treatment efficiency, the utility model provides a high -efficient baffling coagulation air floatation rural sewage treatment device.

[0006] The technical implementation scheme of the utility model discloses: a kind of efficient deflection coagulation air floatation rural sewage treatment device, including coagulation mechanism, deflection mechanism and air floatation mechanism, first water pump is provided between the coagulation mechanism and deflection mechanism, second water pump is provided between the deflection mechanism and air floatation mechanism, the outside of air floatation mechanism is provided with clean water tank, backflow pump is provided between air floatation mechanism and coagulation mechanism, the outside of coagulation mechanism is provided with dosing hopper.

[0007] Optionally, the coagulation mechanism includes a coagulation tank, the top of the coagulation tank is provided with a baffle, the baffle is rotatably arranged between the coagulation tank, the inside of the coagulation tank is provided with a first filter screen, the sidewall of the coagulation tank is provided with a water inlet, the lower side of the first filter screen is provided with a second filter screen, the first filter screen and the second filter screen are provided with a stirring plate, the outside of the coagulation tank is provided with a motor, the output shaft of the motor penetrates through the coagulation tank and is fixedly connected with the stirring plate, the top of the second filter screen is provided with a heating rod.

[0008] Optionally, the dosing hopper is located on the sidewall of the coagulation tank, and the bottom of the dosing hopper penetrates through the coagulation tank and extends into the inside of the coagulation tank.

[0009] Optionally, the deflection mechanism includes a deflection tank, the inside of the deflection tank is provided with a flow guide plate, the flow guide plate is provided with two plates inside the deflection tank, the surface of the two flow guide plates is provided with a deflection plate, two inclined filter screens are provided between the two flow guide plates, and a biological filter element is provided between the two inclined filter screens.

[0010] Optionally, the air floatation mechanism includes an aeration tank and a rotating shaft, the inside of the aeration tank is fixedly installed with a main aeration pipe near the lower side, a plurality of groups of uniformly distributed branch aeration pipes are fixedly connected between the main aeration pipe, a plurality of groups of uniformly distributed air nozzles are arranged on the upper end of the branch aeration pipe and the main aeration pipe, a plurality of groups of the rotating shafts are uniformly distributed and fixedly sleeved with sealing bearings at the front and rear ends, the rotating shaft is rotatably installed at the upper side of the inside main aeration pipe of the aeration tank through the sealing bearing, a plurality of groups of the rotating shafts are fixedly sleeved with a plurality of groups of dispersing leaves corresponding to the air nozzles, and the blades of the dispersing leaves are provided with uniformly distributed through holes.

[0011] Optionally, the front end of the rotating shaft penetrates through the aeration tank and is fixedly sleeved with a gear, the front end of the aeration tank is fixedly connected with a housing near the lower side, the inner bottom of the housing is provided with a sliding groove, the inside of the sliding groove is slidably connected with a rack, and a certain distance exists between the left and right ends of the sliding groove and the rack.

[0012] Optionally, further comprising, the upper end right side of the rack is fixedly connected with a connecting piece, the inner right wall of the shell is fixedly installed with an air cylinder, the output end of the air cylinder is fixedly connected with the connecting piece, the inside of the aeration tank is fixedly installed with a support plate near the middle, and the upper end of the support plate is provided with a detachable filter cotton plate.

[0013] Optionally, further comprising, the right end of the aeration tank is provided with a water inlet near the lower side middle, the left end of the aeration tank is provided with a water outlet near the upper side middle, and the right end of the aeration tank is provided with a backflushing port near the upper side middle, and the backflushing port is connected with a cleaning water tank.

[0014] The utility model has the advantages of the following:

[0015] 1, the utility model discloses a water injection opening is injected into the coagulation tank with sewage, then coagulant is injected into the coagulation tank from the medicine hopper, then the motor drives the stirring vane to stir the sewage, makes the sewage and coagulant fully mix, makes coagulant fully react between the sewage, and the heating rod is used for heating the sewage, makes the sewage better and coagulant react, and the flocculation produced in the reaction is filtered through the first filter screen and the second filter screen, after the reaction ends, the first water pump is started to extract the sewage in the coagulation tank and injects into the baffle tank, the baffle plate and the flow guide plate in the baffle tank are used for guiding the flow of the sewage, and the sewage is filtered again through the inclined filter screen and the biological filter core, then the second water pump is set up to extract the sewage in the baffle tank and injects into the aeration tank through the water inlet and carries out air floatation, and the filter effect of the sewage is improved by the lifting device.

[0016] 2, the utility model discloses the air cylinder is opened and makes its output end drive the connecting piece to make the rack repeatedly left and right slide, finally drive the breaking up vane to constantly reverse, and then the breaking up vane is reversed and is used for breaking up the bubble produced by the gas output of the air jet nozzle, makes the bubble production more fine, improves the contact surface between the bubble and the flocculation, at this moment, the flocculation in the aeration tank will adsorb the bubble, and the flocculation will float to the surface of the sewage through the bubble, so that the treatment of the sewage is more uniform, the overall purification effect is improved, and the number of repeated aeration is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the structure schematic view of the utility model;

[0019] Figure 3 It is the structure schematic of the air floatation assembly in the utility model Figure 1 ;

[0020] Figure 4The structure diagram of the air floatation assembly in the utility model Figure 2 ;

[0021] Figure 5 The top view of the air floatation assembly in the utility model

[0022] Figure 6 The utility model Figure 4 A place amplification drawing in the utility model.

[0023] The meaning of the reference numeral in the drawing: 1, coagulation mechanism;101, coagulation pool;102, baffle;103, water injection port;104, first filter screen;105, stirring plate;106, motor;107, second filter screen;108, heating rod;2, baffling mechanism;201, guide plate;202, baffle;203, inclined filter screen;204, baffle pool;205, biological filter core;3, air floatation mechanism;301, aeration tank;302, main aeration pipe;303, branch aeration pipe;304, air jet nozzle;305, rotating shaft;306, sealing bearing;307, gear;308, housing;309, sliding slot;310, rack;311, connecting piece;312, air cylinder;313, dispersing blade;314, through hole;315, support plate;316, filter cotton plate;317, water inlet;318, water outlet;319, backflushing port;4, first water pump;5, second water pump;6, clean water tank;7, backflow pump;8, dosing hopper. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantage of the utility model more clear, the utility model will be described in further detail below in conjunction with the drawings. Only this declaration, the up, down, left, right, front, back, inside, outside and other orientation words appearing in the text or about to appear of the utility model, only take the drawing of the utility model as the base, it is not the specific limitation to the utility model.

[0025] A kind of high-efficiency baffling coagulation air floatation rural sewage treatment device, including coagulation mechanism 1, baffling mechanism 2 and air floatation mechanism 3, coagulation mechanism 1 and baffling mechanism 2 between being provided with first water pump 4, baffling mechanism 2 and air floatation mechanism 3 between being provided with second water pump 5, the outside of air floatation mechanism 3 is provided with clean water tank 6, air floatation mechanism 3 and coagulation mechanism 1 between being provided with backflow pump 7, the outside of coagulation mechanism 1 is provided with dosing hopper 8.

[0026] As Figure 1 And Figure 2As shown, the coagulation mechanism 1 includes a coagulation tank 101, the top of the coagulation tank 101 is provided with a baffle 102, the baffle 102 is rotatably arranged between the coagulation tank 101, the inside of the coagulation tank 101 is provided with a first filter screen 104, the sidewall of the coagulation tank 101 is provided with a water inlet 103, the lower portion of the first filter screen 104 is provided with a second filter screen 107, the first filter screen 104 and the second filter screen 107 are provided with a stirring plate 105, the outside of the coagulation tank 101 is provided with a motor 106, the output shaft of the motor 106 penetrates the coagulation tank 101 and is fixedly connected with the stirring plate 105, and the top of the second filter screen 107 is provided with a heating rod 108.

[0027] As shown in Figure 2 , the dosing funnel 8 is located on the sidewall of the coagulation tank 101, and the bottom of the dosing funnel 8 penetrates the coagulation tank 101 and extends into the coagulation tank 101.

[0028] It should be noted that the coagulant can be added into the coagulation tank 101 through the dosing funnel 8.

[0029] As shown in Figure 1 and Figure 2 , the baffling mechanism 2 includes a baffling tank 204, the inside of the baffling tank 204 is provided with a flow guide plate 201, the flow guide plate 201 is provided with two pieces inside the baffling tank 204, the surfaces of the two pieces of flow guide plate 201 are provided with baffles 202, two inclined filter screens 203 are arranged between the two pieces of flow guide plate 201, and a biological filter element 205 is arranged between the two inclined filter screens 203.

[0030] It should be noted that the sewage is injected into the coagulation tank 101 through the water inlet 103, then the coagulant is injected into the coagulation tank 101 from the dosing funnel, then the motor 106 drives the stirring blade to stir the sewage, so that the sewage and the coagulant are fully mixed, the coagulant fully reacts with the sewage, and the heating rod 108 heats the sewage, so that the sewage better reacts with the coagulant, the flocculation produced by the reaction is filtered through the first filter screen 104 and the second filter screen 107, after the reaction is completed, the first water pump 4 is started to pump the sewage in the coagulation tank 101 into the baffling tank 204, the baffling plate 202 and the flow guide plate 201 in the baffling tank 204 guide the sewage, and the inclined filter screen 203 and the biological filter element 205 filter the sewage again, then the second water pump 5 is arranged to pump the sewage in the baffling tank 204 out and inject it into the aeration tank 301 through the water inlet 317 for air floatation, thereby improving the filtering effect of the sewage.

[0031] As shown in Figure 3 , Figure 4 , Figure 5 and Figure 6As shown, the air floatation mechanism 3 includes an aeration tank 301 and a rotating shaft 305, the inside of the aeration tank 301 is fixedly installed with main aeration pipes 302 near the lower side, a plurality of groups of uniformly distributed branch aeration pipes 303 are fixedly connected between the main aeration pipes 302, a plurality of groups of uniformly distributed air nozzles 304 are arranged at the upper ends of the branch aeration pipes 303 and the main aeration pipes 302, the rotating shaft 305 is uniformly distributed with a plurality of groups and is fixedly sleeved with sealing bearings 306 at the front and rear ends, the rotating shaft 305 is rotatably installed at the upper side of the main aeration pipes 302 in the inside of the aeration tank 301 through the sealing bearings 306, a plurality of groups of scattering leaves 313 corresponding to the air nozzles 304 are fixedly sleeved on the outer periphery of the rotating shaft 305, a plurality of uniformly distributed through holes 314 are arranged on the blades of the scattering leaves 313, the front ends of the rotating shaft 305 penetrate through the aeration tank 301 and are fixedly sleeved with gears 307, a housing 308 is fixedly connected to the front end of the aeration tank 301 near the lower side, a sliding groove 309 is arranged on the inner bottom of the housing 308, a rack 310 is slidably connected in the inside of the sliding groove 309, there is a certain distance between the left and right ends of the sliding groove 309 and the rack 310, the upper end of the rack 310 is in meshing connection with the gear 307, a connecting piece 311 is fixedly connected to the upper end right side of the rack 310, an air cylinder 312 is fixedly installed on the inner right wall of the housing 308, the output end of the air cylinder 312 is fixedly connected with the connecting piece 311, a supporting plate 315 is fixedly installed in the inside of the aeration tank 301 near the middle, a detachable filter cotton plate 316 is arranged on the upper end of the supporting plate 315, a water inlet 317 is arranged on the right end of the aeration tank 301 near the lower side, a water outlet 318 is arranged on the left end of the aeration tank 301 near the upper side, a backflushing port 319 is arranged on the right end of the aeration tank 301 near the upper side, and the backflushing port 319 is connected with the clean water tank 6.

[0032] It should be noted that after the sewage is discharged into the inside of the aeration tank 301 through the second water pump 5 and the water inlet 317, the gas is input into the inside of the main aeration pipes 302 and the branch aeration pipes 303 through the aeration mechanism, and then is sprayed out for aeration treatment through the air nozzles 304, then the air cylinder 312 is opened to drive the connecting piece 311 to make the rack 310 repeatedly slide left and right, finally the scattering leaves 313 are continuously forward and reverse rotated, and then the bubbles generated by the gas output by the air nozzles 304 are scattered through the forward and reverse rotation of the scattering leaves 313, so that the generation of bubbles is more fine, the contact area between the bubbles and the flocculation is improved, at this time the flocculation in the inside of the aeration tank 301 will adsorb the bubbles, and the bubble flocculation will float to the surface of the sewage, so that the treatment of the sewage is more uniform, the overall purification effect is improved, and the number of repeated aeration is reduced.

[0033] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A high-efficiency deflection coagulation air floatation rural sewage treatment device, characterized in that, Including coagulation mechanism (1), baffling mechanism (2) and air floatation mechanism (3), first water pump (4) is provided between coagulation mechanism (1) and baffling mechanism (2), second water pump (5) is provided between baffling mechanism (2) and air floatation mechanism (3), clean water tank (6) is provided at the outside of air floatation mechanism (3), backflow pump (7) is provided between air floatation mechanism (3) and coagulation mechanism (1), dosing hopper (8) is provided at the outside of coagulation mechanism (1).

2. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 1, characterized in that, The coagulation mechanism (1) includes a coagulation tank (101), a baffle (102) is provided on the top of the coagulation tank (101), the baffle (102) is rotatably arranged between the coagulation tank (101), a first filter screen (104) is arranged inside the coagulation tank (101), a water inlet (103) is arranged on the side wall of the coagulation tank (101), a second filter screen (107) is arranged below the first filter screen (104), a stirring plate (105) is arranged between the first filter screen (104) and the second filter screen (107), a motor (106) is arranged outside the coagulation tank (101), the output shaft of the motor (106) penetrates the coagulation tank (101) and is fixedly connected with the stirring plate (105), a heating rod (108) is arranged on the top of the second filter screen (107).

3. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 1, characterized in that, The dosing hopper (8) is located on the side wall of the coagulation tank (101), and the bottom of the dosing hopper (8) penetrates the coagulation tank (101) and extends into the coagulation tank (101).

4. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 1, characterized in that, The baffling mechanism (2) includes a baffling tank (204), a flow guide plate (201) is arranged inside the baffling tank (204), two flow guide plates (201) are arranged inside the baffling tank (204), the surfaces of the two flow guide plates (201) are provided with baffling plates (202), two inclined filter screens (203) are arranged between the two flow guide plates (201), and a biological filter element (205) is arranged between the two inclined filter screens (203).

5. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 1, characterized in that, The air floatation mechanism (3) includes an aeration tank (301) and a rotating shaft (305), a main aeration pipe (302) is fixedly installed inside the aeration tank (301) near the lower side, a plurality of groups of uniformly distributed branch aeration pipes (303) are fixedly connected between the main aeration pipes (302), a plurality of groups of uniformly distributed air injection nozzles (304) are arranged on the upper ends of the branch aeration pipes (303) and the main aeration pipes (302), the rotating shaft (305) is uniformly distributed with a plurality of groups and is fixedly sleeved with a sealing bearing (306) at the front and rear ends, the rotating shaft (305) is rotatably installed inside the aeration tank (301) at the upper side of the main aeration pipe (302) through the sealing bearing (306), a plurality of groups of scattering leaves (313) corresponding to the air injection nozzles (304) are fixedly sleeved on the outer periphery of the rotating shaft (305), and a plurality of groups of through holes (314) are uniformly arranged on the blades of the scattering leaves (313).

6. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 5, characterized in that, The front end of the rotating shaft (305) penetrates the aeration tank (301) and is fixedly sleeved with a gear (307), the front end of the aeration tank (301) is fixedly connected with a shell (308) near the lower side, the inner bottom of the shell (308) is provided with a sliding groove (309), the sliding groove (309) is slidably connected with a rack (310), and a certain distance exists between the left and right ends of the sliding groove (309) and the rack (310).

7. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 6, characterized in that, The upper end of the rack (310) is fixedly connected with a connecting piece (311), the inner right wall of the shell (308) is fixedly installed with an air cylinder (312), the output end of the air cylinder (312) is fixedly connected with the connecting piece (311), the inner bottom of the aeration tank (301) is fixedly installed with a supporting plate (315) near the middle, and the upper end of the supporting plate (315) is provided with a detachable filter cotton plate (316).

8. The high-efficiency deflection coagulation air floatation rural sewage treatment device according to claim 5, characterized in that, The right end of the aeration tank (301) is provided with a water inlet (317) near the lower side, the left end of the aeration tank (301) is provided with a water outlet (318) near the upper side, the right end of the aeration tank (301) is provided with a backflushing opening (319) near the upper side, and the backflushing opening (319) is connected with a cleaning water tank (6).

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