CN108059234B - High-efficiency aeration tank - Google Patents
High-efficiency aeration tank Download PDFInfo
- Publication number
- CN108059234B CN108059234B CN201711423791.9A CN201711423791A CN108059234B CN 108059234 B CN108059234 B CN 108059234B CN 201711423791 A CN201711423791 A CN 201711423791A CN 108059234 B CN108059234 B CN 108059234B
- Authority
- CN
- China
- Prior art keywords
- aeration
- cylinder
- aerator
- water
- water inlet
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Abstract
The invention discloses a high-efficiency aeration tank, which comprises a tank body, an aeration system, a water inlet and a water outlet, and is characterized in that: the aeration system is multi-stage aeration and at least comprises first-stage aeration arranged at the bottom of the tank body and second-stage aeration arranged above the first-stage aeration; the first-stage aeration comprises first aerators and first air inlet pipes connected with air inlets of the first aerators; the second-stage aeration comprises second aerators and second air inlet pipes connected with air inlets of the second aerators; the first aerator and the second aerator are both provided with a water inlet filtering device. The high-efficiency aeration tank provided by the invention is provided with a multi-stage aeration system, and the aeration machines with different specifications are arranged in a grading manner while the aeration machines with simple and ingenious aeration structures are provided, so that the aeration efficiency of the aeration system is high, and the sewage treatment capacity is strong.
Description
Technical Field
The invention relates to the field of sewage treatment equipment, in particular to a high-efficiency aeration tank.
Background
In order to make the wastewater of the factory reach the discharge standard, the factory generally adopts various chemicals for purification, and the wastewater reaching the discharge standard contains a large amount of organic sludge, which is one of the causes of the deterioration of the global environment. The method for treating organic sewage in a centralized manner by using the aeration tank is a method commonly used in the current sewage treatment, but the effect of the current aeration tank is often unsatisfactory when the current aeration tank is used for treating sewage with high concentration and large amount, on one hand, a scientific and effective aeration system is not provided, and on the other hand, the scientific and reasonable arrangement of the aeration system is not provided.
Disclosure of Invention
The invention aims to provide a high-efficiency aeration tank which is provided with a multi-stage aeration system, wherein the aeration machines with simple and ingenious aeration structures are arranged in a grading manner, so that the aeration efficiency of the aeration system is high, and the sewage treatment capacity is high.
The technical purpose of the invention is realized by the following technical scheme:
the utility model provides a high-efficient aeration tank, includes cell body, aeration systems, water inlet, delivery port, its characterized in that: the aeration system is multi-stage aeration and at least comprises first-stage aeration arranged at the bottom of the tank body and second-stage aeration arranged above the first-stage aeration; the first-stage aeration comprises first aerators and first air inlet pipes connected with air inlets of the first aerators; the second-stage aeration comprises second aerators and second air inlet pipes connected with air inlets of the second aerators; the first aerator and the second aerator are both provided with a water inlet filtering device.
Preferably, the second aerator is arranged right above the middle position of the adjacent first aerator; the sewage treatment capacity of the first aerator is greater than that of the second aerator in unit time; in unit time, the water inflow of the water inlet filtering device on the first aerator is larger than that of the water inlet filtering device on the second aerator.
Preferably, the first aerator includes a hollow cylinder having an open top and a water inlet at a bottom thereof, a mounting frame provided at a top of the hollow cylinder, a gas introduction member provided at a bottom of the hollow cylinder and inserted into the hollow cylinder, a water flow guide member provided in the hollow cylinder to guide the water flow to spirally rise, and a bubble refining member provided above the water flow guide member to refine bubbles in the rising spiral water flow guided by the water flow guide member, and the water inlet filter is hermetically connected to the water inlet.
Preferably, the bubble refining member includes a cylindrical body having a diameter smaller than that of the hollow cylinder, and a plurality of protrusions provided on an outer circumferential surface of the cylindrical body in a radial direction of the cylindrical body; the cylinder includes a plurality of along the mutual gomphosis of axial and forms the short cylinder of cylinder, be equipped with on the outer periphery of short cylinder a plurality of protruding, be equipped with on one end face of short cylinder be used for the central boss and a plurality of little for the location of gomphosis each other protruding, be equipped with on the other end face respectively with central boss with the central concave part and a plurality of aperture of little protruding adaptation.
Preferably, rivers guide part includes first guide, connects first guide with the second guide of cylinder, first guide includes little back taper, radially locates along little back taper a plurality of perpendicular guide boards on the little back taper surface, the second guide include with the big back taper of little back taper adaptation, radially locate along big back taper a plurality of curved surface guide boards on the big back taper surface.
Preferably, the protrusions on the cylindrical body are arranged in a manner that the protrusions do not overlap with each other in position and integrally rise in a left-handed or right-handed manner as viewed from bottom to top in the axial direction of the cylindrical body, and the rotation direction of the protrusions is opposite to the rotation direction of the curved surface guide plate.
Preferably, the top surface of the large inverted cone is provided with a central protrusion and a connecting protrusion which are matched with the central concave part and the small hole, the bottom surface of the large inverted cone is provided with a convex ring, and the top surface of the small inverted cone is provided with a groove matched with the convex ring on the large inverted cone; the centers of the water flow guide part, the cylinder and the mounting rack are all provided with through holes for inserting the connecting screw rods.
Preferably, the water inlet filtering device comprises a hollow shell with an opening at the lower end, a plurality of rigid dirt blocking plates which are arranged in the hollow shell in a staggered mode along the vertical direction, and an elastic opening and closing assembly arranged above the rigid dirt blocking plates; a water filtering outlet is formed in the upper end of the hollow shell and is in sealed connection with the water inlet through a hydraulic pipe joint; the rigid dirt baffle comprises a downward inclined flat plate fixedly connected with the inner wall of the hollow shell, a downward bent arc plate with one end integrally connected with the flat plate and the other end suspended in the inner cavity of the hollow shell, and a plurality of spiral strips vertically arranged on the surfaces of the flat plate and the arc plate; the elastic opening and closing assembly comprises a plurality of valve leaf-shaped elastic pieces with one ends integrally connected and fixedly connected to the inner wall of the hollow shell and the other ends mutually independent, a plurality of elastic rods with one ends fixedly connected with the valve leaf-shaped elastic pieces and the other ends fixedly connected with the inner wall of the hollow shell, and a filter screen arranged on the valve leaf-shaped elastic pieces.
Preferably, the influent water filtering device further comprises a plurality of cleaning air nozzles arranged on the inner wall of the hollow shell and on the rigid dirt baffle, an air receiving port arranged on the outer wall of the hollow shell, a connecting pipe connecting the air receiving port and the cleaning air nozzles, and a filtered water outlet arranged at the upper end of the hollow shell.
Preferably, the hollow cylinder comprises a flange surrounding a bottom air inlet and used for connecting the gas introducing part, and a water outlet transverse plate fixedly arranged at the lower part of a cylinder cavity of the hollow cylinder and provided with a water outlet; the gas leading-in component comprises a gas outlet pipe inserted into the hollow cylinder, and a mounting plate which is positioned at the outer end of the gas outlet pipe and is matched with the flange to mount the gas leading-in component on the hollow cylinder; the air outlet pipe is fixedly connected with the water outlet transverse plate, and the inner end surface of the air outlet pipe is higher than the water outlet transverse plate.
In conclusion, the invention has the following beneficial effects:
the single first aerator and the single second aerator are similar in structure and different in specification, water entering through the water inlet filtering device is driven by the aid of gas blown into the gas outlet pipe of the gas leading-in part at high speed to form a gas-liquid mixture moving upwards at high speed, the gas-liquid mixture moves upwards in a spiral mode by taking an inverted cone at the center as a shaft after meeting the water flow guiding part, the gas-liquid mixture is divided towards two sides of the protrusion when continuously meeting the protrusion on the cylinder upwards, pressure on two sides of the protrusion is higher than that on the upper surface of the protrusion, pressure difference is formed to enable bubbles in the gas-liquid mixture to be automatically split, and the split bubbles upwards impact more protrusions and are split into more micro bubbles; meanwhile, the gas-liquid mixture on the two sides of the protrusion is converged to the upper center to move at a high speed by the pressure difference, the gas-liquid mixture collides with the upper center to break bubbles, and finally the bubbles are ejected from the top of the central cylinder by taking the cylinder as the center, so that a large amount of dissolved oxygen micro bubbles are efficiently dispersed into sewage, and the liquid is stirred to prevent sludge from sinking, thereby creating a good operating environment for aerobic microorganisms; the vertical installation of filter equipment intakes, make the mud impurity that gets into in the filter equipment of intaking have from the settling characteristic under the action of gravity, the rigidity that uses a plurality of crisscross settings keeps off dirty board and effectively blocks a large amount of blocking silt and impurity as the one-level filtration, elasticity subassembly that opens and shuts filters as the second grade, elasticity opens and shuts the subassembly and be the closure state when aeration machine is out of work, it is sealed to form, it gets into to block mud impurity, aeration machine during operation elasticity subassembly that opens and shuts is opened, further filter through the filter screen from the area, still have a plurality of clean air nozzle, can be by connecing outside compressed air of gas port access at arbitrary time, mud and impurity in the filter equipment of intaking are attached to in the clearance, effectively carry out the filtration of intaking continuously, improve aeration machine operating stability.
The high-efficiency aeration tank is characterized in that the first aeration machine and the second aeration machine with different treatment capacities are longitudinally and hierarchically arranged, so that the aeration system is high in aeration efficiency, and the sewage treatment capacity of the aeration tank is high.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present invention;
FIG. 2 is a schematic structural view of a first aerator;
FIG. 3 is a schematic structural view of section A-A;
FIG. 4 is a schematic view showing a connection structure of the bubble refining part and the water flow guiding part;
fig. 5 is a schematic structural view of the influent water filtering apparatus.
Detailed Description
The invention is described in further detail below with reference to the drawings and preferred embodiments.
The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.
Example (b): as shown in fig. 1, a high-efficiency aeration tank comprises a tank body 100, an aeration system 200, a water inlet 301 and a water outlet 302, and is characterized in that: the aeration system 200 is a multi-stage aeration system and at least comprises a first stage aeration arranged at the bottom of the tank body and a second stage aeration arranged above the first stage aeration; the first-stage aeration comprises first aerators 201 and first air inlet pipes 202 connected with air inlets of the first aerators 201; the second-stage aeration comprises second aerators 203 and second air inlet pipes 204 connected with air inlets of the second aerators 203; the first aerator 201 and the second aerator 203 are both provided with the inlet water filtering device 8. The multi-stage aeration system is arranged, the aeration efficiency is high, and the multi-stage aeration system is particularly suitable for treating wastewater which is high in pollutant concentration and difficult to treat, the first air inlet pipe 202 manages air inlet and respective installation positions of the first aeration machines 201 in a unified mode, and the second air inlet pipe 204 manages air inlet and respective installation positions of the second aeration machines 203 in a unified mode, so that the first aeration machines 201 and the second aeration machines 203 are installed in a straight line and are well-ordered.
Further, the second aerator 203 is arranged right above the middle position of the adjacent first aerator 201; the sewage treatment capacity of the first aerator 201 is larger than that of the second aerator 203 in unit time; in unit time, the water inflow of the water inflow filtering device on the first aerator 201 is greater than the water inflow of the water inflow filtering device on the second aerator 203. The second aerator 203 is similar to the first aerator 201 in structure, only the water inflow and the sewage treatment capacity are relatively small, the second aerator 203 is arranged above the middle position of the two adjacent first aerators 201, the water flow near the water inlet of the water inlet filtering device on the second aerator 203 is accelerated under the aeration influence of the first aerator 201, the water pressure of the region is increased, the water inflow of the second aerator is increased, namely, the sewage treatment efficiency is improved, and the water flow stirring effect of the first aerator is effectively utilized.
As shown in fig. 2, the first aerator includes a hollow cylinder 1 having an open top and a water inlet 14 at the bottom, a mounting frame 7 provided at the top of the hollow cylinder 1, a gas introduction member 2 provided at the bottom of the hollow cylinder 1 and inserted into the hollow cylinder 1, a water flow guide member 3 provided in the hollow cylinder 1 to guide water flow to spirally rise, a bubble refining member 4 provided above the water flow guide member 3 to finely refine bubbles in rising spiral water flow guided by the water flow guide member 3, and a water inlet filter 8 hermetically connected to the water inlet 14; the bubble refining member 4 includes a cylindrical body 4 ' having a diameter smaller than that of the hollow cylinder 1, and a plurality of protrusions 5 radially provided on an outer circumferential surface of the cylindrical body 4 ' along the cylindrical body 4 '; the cylinder 4 'comprises a plurality of short cylinders 4 a-4 f which are mutually embedded along the axial direction to form the cylinder 4', and the outer circumferential surface of each short cylinder is provided with a plurality of protrusions 5; the water flow guiding member 3 includes a first guiding portion 3a, a second guiding portion 3b connecting the first guiding portion 3a and the cylinder 4', the first guiding portion 3a includes a small inverted cone 31, a plurality of vertical guiding plates 33 radially disposed on the outer surface of the small inverted cone 31, and the second guiding portion 3b includes a large inverted cone 32 fitted with the small inverted cone 31, and a plurality of curved guiding plates 34 radially disposed on the outer surface of the large inverted cone 32. The gas introduction part 2 sends air into the hollow cylinder 1 at a high speed, so that water entering through the water inlet filter device 8 forms upward-moving bubble-rich water flow, and when passing through the water flow guide part 3, the water flow is regulated by the guide of the plurality of vertical guide plates 33 on the first guide part 3a, so that the water flow is upward consistent, and then the water flow is guided by the plurality of curved guide plates 34 on the second guide part 3b to form spiral rising water flow taking an inverted cone as an axis.
As shown in fig. 2, the protrusions 5 of the adjacent short cylinders 4a and 4b, 4b and 4c … 4e and 4f are arranged in such a manner that they do not overlap each other in position and rise upward in the left-hand direction as viewed from below in the axial direction of the cylinder 4', but this is the case on the premise that the plurality of curved guide plates 34 of the second guide portion 3b are arranged in such a manner that they rise upward in the right-hand direction, and when the curved guide plates 34 rise upward in the left-hand direction, the protrusions 5 rise upward in the right-hand direction, and in short, the spiral direction of the curved guide plates 34 is opposite to the arrangement direction of the protrusions 5. When the spirally rising water flow reaches the bubble refining part 4, bubbles in the water flow impact the protrusions 5 on the cylinder 4' to divide the water flow to two sides of the protrusions 5, so that the pressure on two sides of the protrusions 5 is higher than the pressure on the upper surfaces of the protrusions 5, the bubbles in the water flow are automatically split due to the formation of pressure difference, meanwhile, the water flow on two sides of the protrusions 5 is converged to flow to the center above the protrusions 5 to move at a high speed due to the pressure difference, and the bubbles are broken by mutual impact. Because the spiral direction of the curved guide plate 34 is opposite to the arrangement direction of the protrusions 5, the split bubbles upwards impact more protrusions 5, so that the bubbles are split into more cavitation type micro bubbles and finally sprayed out from the top of the central cylinder, a large amount of dissolved oxygen micro bubbles are efficiently dispersed into sewage, liquid is stirred to prevent sludge from sinking, and a good working environment is created for aerobic microorganisms.
The protrusions 5 are formed on the outer circumferential surface of the cylindrical body 4 ', have a length corresponding to the radial width of the annular space G between the cylindrical body 4' and the hollow cylinder 1, and may have a cross-sectional shape of an inverted triangle as shown in fig. 1, or other shapes such as a quadrangle, a pentagon, a circle, an ellipse, and the like.
As shown in fig. 4, a central boss 41 and a plurality of small positioning protrusions 43 for mutual embedding are arranged on one end surface of the short cylinder, and a central concave part 42 and a plurality of small holes 44 which are respectively matched with the central boss 41 and the small protrusions 43 are arranged on the other end surface; the top surface of the big inverted cone 32 is provided with a central protrusion 35 and a connecting protrusion 36 which are matched with the central concave part 42 and the small hole 44, the bottom surface is provided with a convex ring 38, and the top surface of the small inverted cone 31 is provided with a groove 37 which is matched with the convex ring 38 on the big inverted cone. Taking the illustrated short cylinder 4e and short cylinder 4f as an example, the small protrusions 43 on the short cylinder 4f are inserted into the corresponding holes 44 'on the short cylinder 4e, and the central boss 41 on the short cylinder 4f is inserted into the corresponding concave hole 42' on the short cylinder 4e, so as to connect the adjacent short cylinders together, the small protrusions are provided with a plurality of small protrusions, the adjacent short cylinders are sequentially connected with the small holes in a staggered manner by different small protrusions, so that the protrusions 5 on the outer circumferential surface are formed in a connection manner that the positions are not overlapped and the whole body rises in a left-handed or right-handed manner, further, the central protrusion 35 and the connecting protrusion 36 on the second guide portion 3b are respectively matched with the central recess 42 and the small hole on the short cylinder, and the convex ring 38 is matched with the groove 37 on the first guide portion 3a, and in conclusion, the first guide portion 3a and the second guide portion, the short cylinders are connected to form an integral cylinder 4 'and connect the water flow guide 3 with the cylinder 4'.
The centers of the water flow guide part 3, the cylinder 4 'and the mounting rack 7 are respectively provided with a through hole for inserting the connecting screw rod 6, the connecting screw rod 6 penetrates through the through holes to connect the water flow guide part 3, the cylinder 4' and the mounting rack 7 into a whole, and the mounting rack 7 is connected with the hollow cylinder 1 through sealing threads or welding.
As shown in fig. 3, the gas introduction part 2 includes an outlet pipe 21 inserted into the hollow cylinder 1, a mounting plate 22 provided at an outer end of the outlet pipe 21 and cooperating with the flange 13 to mount the gas introduction part 2 to the hollow cylinder 1; the air outlet pipe 21 is fixedly connected with the water outlet transverse plate 12, and the inner end surface of the air outlet pipe is higher than the water outlet transverse plate 12. The high-speed air sent out from the air outlet pipe 21 moves upwards to form a situation that the pressure of the central part is small and the pressure of the lower side of the central part is large, so that the water flow is driven to gather and move upwards towards the central part to form initial upwards-moving water flow rich in bubbles.
As shown in fig. 5, the influent water filtering apparatus 8 comprises a hollow casing 81 with an opening at the lower end, a plurality of rigid dirt blocking plates 82 arranged in the hollow casing 81 in a staggered manner along the vertical direction, and an elastic opening and closing assembly 83 arranged above the rigid dirt blocking plates 82; the rigid dirt baffle 82 includes a downward inclined flat plate 821 fixed to the inner wall of the hollow casing 81, a downward curved arc plate 822 having one end integrally connected to the flat plate 821 and the other end suspended in the inner cavity of the hollow casing 81, and a plurality of spiral strips 823 vertically disposed on the surfaces of the flat plate 821 and the arc plate 822. The water inlet filtering device 8 is arranged in the vertical direction, the upper end of the hollow shell 81 is provided with a filtered water outlet 87, and the filtered water outlet 87 is hermetically connected with the water inlet 14 through a hydraulic pipe joint. When the aerator is connected with air from the air leading-in part 2, the internal pressure of the aerator is less than the water pressure of external sewage to form negative pressure, and the sewage is driven to enter the aerator. Sewage entering the inlet water filtering device 8 through the lower opening of the hollow shell 81 is blocked by the arc plate 822 and the flat plate 821, the sewage can only go forward upwards through a gap between the arc plate 822 and the hollow shell 81, the flow and impact of the sewage when entering are reduced, meanwhile, sludge and impurities in partial sewage are left on the surface of the sewage, the spiral strips 823 are vertically arranged on the surfaces of the flat plate 821 and the arc plate 822 to intercept and adsorb the sludge and the impurities in the passing sewage, the flat plate 821 inclines downwards and forms an included angle of 3-6 degrees with the horizontal direction, the arc plate 822 and the flat plate 821 are smoothly connected and bend downwards, the rigid dirt blocking plate 2 is integrally inclined downwards in a J shape, and the sludge and the impurities left on the rigid dirt blocking plate 82 have the tendency of falling naturally downwards; the rigid dirt blocking plates 82 are arranged in a staggered mode in the vertical direction, so that sewage moves upwards roundly and gently, the effective contact area and time of the sewage and the rigid dirt blocking plates 82 are increased, the blocking effect of removing sludge and impurities is enhanced, and further forward movement of large-particle sludge and large impurities is prevented.
The elastic opening and closing assembly 83 includes a plurality of leaflet-shaped elastic pieces 831 having one end integrally connected and fixedly connected to the inner wall of the hollow housing 81 and the other end independent from each other, a plurality of elastic rods 832 having one end fixedly connected to the leaflet-shaped elastic pieces 831 and the other end fixedly connected to the inner wall of the hollow housing 81, and a filter mesh 833 disposed on the leaflet-shaped elastic pieces 831. The leaflet-shaped elastic pieces 831 are jointed along the joint edge in a natural state, and the leaflet-shaped elastic pieces are tightly adhered without gaps to form a partition layer for isolating the upper space and the lower space of the hollow shell 81 and prevent sewage from entering; the aeration machine produces the negative pressure when working, and the independent end of each valve leaflet form elastic sheet separates to sewage direction of advance elastic deformation each other, and sewage can pass through, and elastic rod 832 is elongated, and filter screen 833 further filters remaining mud, impurity, and inside the messenger contained less sewage of less thin mud and impurity got into the aeration machine, when the aeration machine was out of work, the negative pressure disappeared, and elastic rod 832 resumes deformation, pulls back valve leaflet form elastic sheet 831 and forms isolated layer again.
The water inlet filtering device 8 further comprises a plurality of cleaning air nozzles 84 arranged on the inner wall of the hollow shell 81 and on the rigid dirt baffle 82, an air receiving port 85 arranged on the outer wall of the hollow shell 81, and a connecting pipe 86 connecting the air receiving port 85 and the cleaning air nozzles 84. The air inlet 85 can be connected with an external air supply device through an air pipe, when sludge impurities accumulated in the water inlet filtering device 8 accumulate to a certain amount, the water inlet efficiency can be affected, the external air supply device supplies air to the air inlet 85, clean compressed air is supplied to each clean air nozzle 84 through a connecting pipe 86, the clean air nozzles 84 on the inner wall of the hollow shell 81 are aligned to the surfaces of the flat plate 821 and the arc plate 822, the clean air nozzles 84 on the rigid dirt baffle 82 are aligned to the inner wall of the hollow shell 81, the sludge impurities are blown down from the inner wall of the hollow shell 81 and the spiral strip 823 and slide down along the inclined downward J-shaped surface formed by the arc plate 822 and the flat plate 821, and finally discharged out of the water inlet filtering device 8, the self-cleaning of the water inlet filtering device 8 is realized, the operation stability of the aerator is improved, and the aerator can work stably for a longer time.
As shown in fig. 2, the hollow cylinder 1 includes a connecting plate 11, a connecting auxiliary plate 11', a flange 13 surrounding the air inlet at the bottom for connecting the air inlet 2, and a water outlet horizontal plate 12 having a water outlet and fixed at the lower part of the cylinder cavity of the hollow cylinder 1, the water outlet horizontal plate 12 is at a certain distance from the bottom surface, so that a small amount of sludge impurities entering the interior of the aerator are precipitated below the water outlet horizontal plate 12, and the long-term operation of the aerator is not affected.
Claims (8)
1. The utility model provides a high-efficient aeration tank, includes cell body (100), aeration systems (200), water inlet (301), delivery port (302), its characterized in that: the aeration system (200) is multi-stage aeration, and at least comprises first-stage aeration arranged at the bottom of the tank body and second-stage aeration arranged above the first-stage aeration; the first-stage aeration comprises first aerators (201) and a first air inlet pipe (202) connected with air inlets of the first aerators (201); the second-stage aeration comprises second aerators (203) and second air inlet pipes (204) connected with air inlets of the second aerators (203); the first aerator (201) and the second aerator (203) are both provided with a water inlet filtering device (8);
the first aerator (201) comprises a hollow cylinder (1) with an opening at the top and a water inlet (14) at the bottom, a mounting frame (7) arranged at the top of the hollow cylinder (1), a gas introduction part (2) arranged at the bottom of the hollow cylinder (1) and inserted into the hollow cylinder (1), a water flow guide part (3) arranged in the hollow cylinder (1) and used for guiding water flow to spirally ascend, and a bubble refining part (4) arranged above the water flow guide part (3) and used for carrying out micronization treatment on bubbles in ascending spiral water flow formed by being guided by the water flow guide part (3), wherein the water inlet filtering device (8) is connected with the water inlet (14) in a sealing way;
the bubble refining member (4) includes a cylindrical body (4 ') having a diameter smaller than that of the hollow cylinder (1), and a plurality of protrusions (5) radially provided on an outer circumferential surface of the cylindrical body (4 ') along the cylindrical body (4 '); the cylinder (4 ') comprises a plurality of short cylinders (4 a-4 f) which are mutually embedded along the axial direction to form the cylinder (4'), a plurality of protrusions (5) are arranged on the outer circumferential surface of each short cylinder, a central boss (41) and a plurality of small positioning protrusions (43) which are mutually embedded are arranged on one end surface of each short cylinder, and a central concave part (42) and a plurality of small holes (44) which are respectively matched with the central boss (41) and the small protrusions (43) are arranged on the other end surface of each short cylinder.
2. The high efficiency aeration tank of claim 1, wherein: the second aerator (203) is arranged right above the middle position of the adjacent first aerator (201); the sewage treatment capacity of the first aerator (201) is larger than that of the second aerator (203) in unit time; in unit time, the water inlet quantity of the water inlet filtering device on the first aerator (201) is larger than that of the water inlet filtering device on the second aerator (203).
3. The high efficiency aeration tank of claim 1, wherein: rivers guide part (3) including first guide (3 a), connect first guide (3 a) with second guide (3 b) of cylinder (4'), first guide (3 a) including little back taper (31), radially locate along little back taper (31) a plurality of perpendicular guide boards (33) on little back taper (31) surface, second guide (3 b) include with big back taper (32) of little back taper (31) adaptation, radially locate along big back taper (32) a plurality of curved surface guide boards (34) on big back taper (32) surface.
4. A high efficiency aeration tank according to claim 3, wherein: the protrusions (5) on the cylinder (4 ') are arranged in a manner that the protrusions are not overlapped with each other in position and integrally rise in a left-handed or right-handed manner when viewed from bottom to top in the axial direction of the cylinder (4'), and the rotation direction of the protrusions is opposite to that of the curved surface guide plate (34).
5. A high efficiency aeration tank according to claim 3, wherein: the top surface of the large inverted cone (32) is provided with a central protrusion (35) and a connecting protrusion (36) which are matched with the central concave part (42) and the small hole (44), the bottom surface of the large inverted cone (32) is provided with a convex ring (38), and the top surface of the small inverted cone (31) is provided with a groove (37) matched with the convex ring (38) on the large inverted cone; the centers of the water flow guide part (3), the cylinder (4') and the mounting rack (7) are provided with through holes for inserting the connecting screw rods (6).
6. The high efficiency aeration tank of claim 1, wherein: the water inlet filtering device (8) comprises a hollow shell (81) with an opening at the lower end, a plurality of rigid dirt blocking plates (82) which are arranged in the hollow shell (81) in a staggered mode along the vertical direction, and an elastic opening and closing assembly (83) which is arranged above the rigid dirt blocking plates (82); a water filtering outlet (87) is formed in the upper end of the hollow shell 81, and the water filtering outlet (87) is hermetically connected with the water inlet (14) through a hydraulic pipe joint; the rigid dirt baffle (82) comprises a downward inclined flat plate (821) fixedly connected with the inner wall of the hollow shell (81), a downward bent arc plate (822) with one end integrally connected with the flat plate (821) and the other end suspended in the inner cavity of the hollow shell (81), and a plurality of spiral strips (823) vertically arranged on the surfaces of the flat plate (821) and the arc plate (822); elasticity subassembly (83) that opens and shuts include a plurality of one end body coupling and rigid coupling in on cavity casing (81) inner wall, the mutually independent valve leaf form elasticity piece (831) of other end, a plurality of one end with valve leaf form elasticity piece (831) rigid coupling, the other end with elasticity pole (832) of cavity casing (81) inner wall rigid coupling locate filter screen (833) on valve leaf form elasticity piece (831).
7. The high efficiency aeration tank of claim 6, wherein: the water inlet filtering device (8) further comprises a plurality of clean air nozzles (84) arranged on the inner wall of the hollow shell (81) and the rigid dirt baffle plate (82), an air connecting port (85) arranged on the outer wall of the hollow shell (81), a connecting pipe (86) connected with the air connecting port (85) and the clean air nozzles (84), and a water filtering outlet (87) arranged at the upper end of the hollow shell (81).
8. The high efficiency aeration tank of claim 1, wherein: the hollow cylinder (1) comprises a flange (13) surrounding a bottom air inlet and used for connecting the gas introducing part (2), and a water outlet transverse plate (12) fixedly arranged at the lower part of a cylinder cavity of the hollow cylinder (1) and provided with a water outlet; the gas leading-in part (2) comprises a gas outlet pipe (21) inserted into the hollow cylinder (1), and a mounting plate (22) which is positioned at the outer end of the gas outlet pipe (21) and is matched with the flange (13) to mount the gas leading-in part (2) on the hollow cylinder (1); the air outlet pipe (21) is fixedly connected with the water outlet transverse plate (12), and the inner end surface of the air outlet pipe is higher than the water outlet transverse plate (12).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423791.9A CN108059234B (en) | 2017-12-25 | 2017-12-25 | High-efficiency aeration tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711423791.9A CN108059234B (en) | 2017-12-25 | 2017-12-25 | High-efficiency aeration tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108059234A CN108059234A (en) | 2018-05-22 |
| CN108059234B true CN108059234B (en) | 2020-02-04 |
Family
ID=62140131
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711423791.9A Active CN108059234B (en) | 2017-12-25 | 2017-12-25 | High-efficiency aeration tank |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108059234B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072612A (en) * | 1976-05-25 | 1978-02-07 | Daniel William H | Aerator for bodies of water |
| US4255360A (en) * | 1979-08-27 | 1981-03-10 | Jeffries Kerry P | Water aerator and method |
| US4532037A (en) * | 1983-07-11 | 1985-07-30 | Willinger Bros., Inc. | Aquarium aerating device |
| CN200940112Y (en) * | 2006-08-18 | 2007-08-29 | 葛敬 | Water purification equipment with under-water flow propeller |
| CN104030462A (en) * | 2014-04-21 | 2014-09-10 | 浙江德安科技股份有限公司 | Blocking-preventing submersible plug-flow aeration apparatus |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4618426A (en) * | 1983-12-22 | 1986-10-21 | Mandt Mikkel G | Retrievable jet mixing systems |
| US20050098497A1 (en) * | 2003-11-12 | 2005-05-12 | Khudenko Boris M. | Pulsating reactors |
-
2017
- 2017-12-25 CN CN201711423791.9A patent/CN108059234B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4072612A (en) * | 1976-05-25 | 1978-02-07 | Daniel William H | Aerator for bodies of water |
| US4255360A (en) * | 1979-08-27 | 1981-03-10 | Jeffries Kerry P | Water aerator and method |
| US4532037A (en) * | 1983-07-11 | 1985-07-30 | Willinger Bros., Inc. | Aquarium aerating device |
| CN200940112Y (en) * | 2006-08-18 | 2007-08-29 | 葛敬 | Water purification equipment with under-water flow propeller |
| CN104030462A (en) * | 2014-04-21 | 2014-09-10 | 浙江德安科技股份有限公司 | Blocking-preventing submersible plug-flow aeration apparatus |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108059234A (en) | 2018-05-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101669455B (en) | Multifunctional circulating water treatment device | |
| KR101769453B1 (en) | Membrane cleaning device with huge bubble for efficient sludge discharge | |
| CN113816456B (en) | Domestic sewage shakes broken formula air supporting edulcoration equipment | |
| CN211339009U (en) | Sewage treatment device | |
| CN108059234B (en) | High-efficiency aeration tank | |
| CN114380411B (en) | Industrial wastewater's purification treatment equipment that becomes more meticulous | |
| CN202199207U (en) | Environment-friendly industrial sewage treatment equipment | |
| CN207713488U (en) | A kind of submersible aerator with feeding water filtering device | |
| CN201033283Y (en) | Sewage processing device with membrane filtration component | |
| CN211734121U (en) | Environment-friendly sewage purification machine | |
| CN108854257B (en) | Sewage treatment equipment | |
| CN107857360A (en) | A kind of submersible aerator with feeding water filtering device | |
| CN112321039A (en) | Environment-friendly sewage treatment system | |
| KR200258000Y1 (en) | bubble separate apparatus for circulation filtering type | |
| CN113582467A (en) | Integrated petrochemical wastewater multi-stage treatment device and method | |
| KR101799373B1 (en) | Membrane cleaning device with huge bubble for waste water treatment | |
| CN207294371U (en) | A kind of aeration refined filtration all-in-one machine with siphon destroying device | |
| CN211069313U (en) | Solid-liquid separation device for wastewater pretreatment | |
| CN214167520U (en) | Biochemical device for sewage treatment | |
| CN215232346U (en) | Purification and discharge system | |
| CN114394686B (en) | Self-adaptive sewage purification device | |
| CN215711906U (en) | Novel air floatation machine | |
| CN220539980U (en) | Flushing type crystallization-preventing submersible pump | |
| CN212982571U (en) | Membrane bioreactor | |
| KR100469627B1 (en) | Device for increasing the efficiency of filter using fiber hose |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |