CN112142151A - Shallow layer air supporting device on water - Google Patents
Shallow layer air supporting device on water Download PDFInfo
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- CN112142151A CN112142151A CN202011159662.5A CN202011159662A CN112142151A CN 112142151 A CN112142151 A CN 112142151A CN 202011159662 A CN202011159662 A CN 202011159662A CN 112142151 A CN112142151 A CN 112142151A
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- 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
- C02F1/24—Treatment of water, waste water, or sewage by flotation
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
Abstract
A water shallow air floating device is arranged on a ship or a water platform; the device comprises an air floatation tank, wherein a middle shaft is arranged in the air floatation tank, and the space in the air floatation tank around the middle shaft forms a treatment tank; the middle shaft is relatively rotatably connected with a rotary water distribution mechanism, a slag discharge mechanism and a clean water collecting pipe, the rotary water distribution mechanism and the slag discharge mechanism are respectively arranged at the upper part of the treatment tank, and the clean water collecting pipe is arranged in the treatment tank; the rotary water distribution mechanism is arranged in front of the slag discharge mechanism in the rotating direction around the central axis, and the clear water collecting pipe is arranged behind the slag discharge mechanism in the rotating direction around the central axis. When shaking, the sewage in the air flotation tank is not easy to shake out from the side of the tank, and meanwhile, the condition that the skimming bucket cannot dig and transport scum to the skimming tank due to the fact that the water level is lowered due to the shaking of equipment is avoided. The device can be installed on any water platform, can freely drag the water platform or drive ships to timely treat heavily polluted water areas, and realizes rapidness, energy conservation and high efficiency.
Description
Technical Field
The invention relates to a blue algae treatment device, in particular to an overwater shallow air flotation device.
Background
In the existing blue algae treatment process, the blue algae is generally collected from the water surface and transported to the shore for treatment. The air floatation equipment used in the blue algae treatment is arranged on the bank to operate, mainly adopts an advection air floatation slag hanging mode, utilizes the scraper plate to move towards the direction of the concentration tank and simultaneously pushes the slag to the sludge tank, and utilizes the inclined plate gravity of the sludge tank inlet to drain water. Firstly, rock the reason because of the wave on water, the equipment easily rocks to the sludge impoundment along with the unrestrained reason of water in air supporting pond sewage when rocking, makes the solid content in sludge impoundment reduce by a wide margin, finally makes sludge impoundment mud sediment because of containing the solid rate too low and can't dewater. Secondly, due to the shaking of the equipment, the settled sludge deposited at the bottom of the air floatation tank is mixed with the effluent to be discharged outside due to the shaking, so that the effluent is unstable. Therefore, the prior art is horizontally arranged on the ground to operate, and cannot stably and reliably operate if being applied to water.
Disclosure of Invention
In view of the above circumstances, the present invention provides an aquatic shallow air floating device, which can be arranged on ships and various aquatic platforms, and can stably operate up to standards.
The water shallow air floating device is arranged on a ship or a water platform; the device comprises an air floatation tank, wherein a middle shaft is arranged in the air floatation tank, and the space in the air floatation tank around the middle shaft forms a treatment tank; the middle shaft is relatively rotatably connected with a rotary water distribution mechanism, a slag discharge mechanism and a clean water collecting pipe, the rotary water distribution mechanism and the slag discharge mechanism are respectively arranged at the upper part of the treatment tank, and the clean water collecting pipe is arranged in the treatment tank; the rotary water distribution mechanism is arranged in front of the slag discharge mechanism in the rotating direction around the central axis, and the clear water collecting pipe is arranged behind the slag discharge mechanism in the rotating direction around the central axis. When the treatment tank runs, raw water is pumped into the treatment tank through the rotary water distribution mechanism, the height of the side of the shallow air floatation tank is increased relative to a fixed treatment device on the bank in consideration of the shaking condition of water use, the depth of the tank body is increased, and the running water level is greatly lower than the side of the treatment tank. The deslagging operation mode is that when the water distribution mechanism rotates and walks, a conical skimming bucket arranged in the deslagging mechanism rotates for 360 degrees, and the surface layer scum flows into a scum concentration tank by the lifting force. Because heighten shallow layer air supporting pond limit height to deepen the mud skimming fill depth of dredging, air supporting pond sewage is difficult for shaking out from the pond limit when meetting to rock, avoids simultaneously because equipment rocks and causes the water level to reduce and lead to cause the mud skimming fill can't dig the transport dross to the skimming pond.
Furthermore, a scum pool, a water outlet pool and a clean water pool are arranged in the middle shaft, and the scum pool, the water outlet pool and the clean water pool are concentrically arranged from inside to outside; the outlet of the slag discharging mechanism is arranged at the inlet at the top of the scum pool, the water inlet of the clean water collecting pipe is positioned in the processing pool, and the water outlet of the clean water collecting pipe is communicated with the clean water pool. Through the arrangement, raw water entering the treatment tank and clear water after skimming scum can form different partitions, so that the phenomenon that sewage overflows due to equipment shaking is avoided, the purpose of coping with special working conditions of the water surface is achieved, and stable operation and standard water outlet are ensured. When the device runs, the raw water, the scum skimmed by the scum removing device and the final effluent after the scum is removed are mutually isolated, and the respective motions do not influence each other, so that the sewage overflow caused by the shaking of the device is effectively avoided.
Compared with the existing dissolved air flotation technology, the existing dissolved air flotation technology is dynamic water inlet, dynamic water outlet and dynamic oblique line separation, and has strong disturbance to a water body and poor separation effect; the separation process is long, dead corner areas are large, and sludge is easy to settle. The technical scheme of the application eliminates the mutual influence of water inlet and outlet and each part of water body, and has small water body disturbance and good separation effect.
Furthermore, the height of the outer wall of the clean water tank is higher than that of the outer wall of the scum tank, and the height of the outer wall of the water outlet tank is lower than that of the outer wall of the scum tank. When the scum enters the scum pool through the scum discharging mechanism, the scum in the scum pool is continuously fed and discharged due to the fact that the bottom of the scum pool is communicated with the scum concentration pool, the height in the scum pool is low, the scum cannot enter an adjacent water outlet pool due to shaking, and meanwhile, clear water in the scum pool is prevented from entering the water outlet pool and entering the scum pool due to shaking by the aid of the height arrangement of the outer wall of the scum pool. The height of the outer wall of the clean water tank is higher, so that liquid in the treatment tank is prevented from entering the clean water tank due to shaking when scum is skimmed. Clear water after clear water collecting pipe gets into the clean water basin overflows from the top of play pond outer wall and goes into in the play pond, and the bottom connecting line and the air supporting clarification pond intercommunication of play pond go out the pond, and the play water disturbance in the play pond can not influence inside the clean water basin, if produce the water disturbance in the clean water basin can not influence inside the play pond yet, can not cause the mud that sinks to sneak into the play water and arrange outward, guarantees that the play water is stable.
Furthermore, a liftable water outlet device is also arranged at the top of the outer wall of the water outlet pool. Through setting up adjustable play water operation water level height device, make it mutually support through adjustment play water level, can not cause the limit that overflows of sewage because of equipment rocks when making the skimming bucket skimming depth in good running state, reach the purpose of dealing with the special operating mode of surface of water.
Preferably, the liftable water outlet device comprises a liftable baffle, and the liftable baffle and the outer wall of the water outlet pool are concentrically arranged and attached to the outer surface and/or the inner surface of the outer wall of the water outlet pool; the water outlet pool is characterized in that a fixing support is arranged on the outer wall of the water outlet pool, an adjusting support is arranged at the top end of the lifting baffle, an adjusting screw is installed on the adjusting support through spiral connection, and the bottom end of the adjusting screw is in contact with the upper surface of the fixing support.
Preferably, the top of the adjusting screw is also provided with an adjusting screw driver. The adjusting screw drive may be a rotary handle for rotatably driving the adjusting screw. The water outlet system horizontally lifts or lowers the height of the water outlet by arranging the screw rotary handle at the round water outlet of the clean water tank, thereby controlling the height of the water level of the air floatation tank and leading the spiral mud bucket to thoroughly and completely remove scum
Further, the bottom of the scum pond and/or the treatment pond is communicated with the scum concentration pond. The scum concentration tank is connected with a dehydration device.
Further, the water outlet tank is communicated with an air floatation clarification water tank.
Furthermore, a raw water input pipe is arranged in the middle of the middle shaft, an output port of the raw water input pipe is communicated with a water distribution pipe of the rotary water distribution mechanism, and an input port of the raw water input pipe is communicated with a raw water flocculation tank through a raw water pump.
Furthermore, the rotary water distribution mechanism is provided with a plurality of water distribution ports.
Furthermore, a pipeline between the raw water flocculation tank and the raw water pump is also connected with a coagulant liquid medicine pump and a coagulant medicine dissolving tank through a coagulant medicine feeding pipe. The coagulant is polyaluminium chloride (PAC).
Furthermore, a coagulant aid liquid medicine pump and a coagulant aid dissolving tank are connected and arranged on a pipeline between the raw water pump and the input port of the raw water input pipe through a coagulant aid adding pipe. The coagulant aid is Polyacrylamide (PAM).
Furthermore, the input port of the raw water input pipe is also connected with a microbubble manufacturing system, and the microbubble manufacturing system is connected with the dissolved air preparation system.
Further, the microbubble manufacturing system is communicated with the air floatation clarification water tank through a reflux pump.
After the technology provided by the invention is adopted, the technical scheme provided by the invention has the following beneficial effects: the device can be arranged on any water platform, can freely drag the water platform or drive a ship to process the heavily polluted water area in time, and realizes rapidness, energy conservation and high efficiency; by heightening the height of the edge of the shallow air flotation tank, deepening the dredging depth of the mud skimming bucket and arranging the device capable of adjusting the height of the running water level of the discharged water, the mud skimming bucket is in a good running state in the mud skimming depth, the sewage overflows without shaking due to equipment, the purpose of coping with special working conditions of the water surface is achieved, and stable running and standard water discharge are ensured. The device can directly reach polluted water areas to operate, so that the purpose is directly reached, and the embarrassment that fixed water intake ports of water works and sewage plants cannot take water from heavily polluted water areas is solved. The load is little, and it is few to take up an area of, and is especially adapted to arrange in the surface of water, for surface of water platform or boats and ships relief, reduce the investment by a wide margin.
Drawings
FIG. 1 is a process flow diagram of an above-water shallow air flotation device according to the present application;
FIG. 2 is a schematic diagram of a connection structure of an above-water shallow air floating device according to the present application, wherein arrows indicate a water flow direction;
FIG. 3 is an enlarged view of section C of FIG. 2;
FIG. 4 is a top view of an aquatic shallow air bearing apparatus according to the present application;
FIG. 5 is a view taken along line A-A of FIG. 4;
FIG. 6 is a schematic perspective view of a shallow air floatation device according to the present application.
Description of reference numerals:
adjusting screw 63 of air floatation tank 1
Raw water flocculation tank 80 with scum tank outer wall 210
Raw water input pipe 81 of outlet pool outer wall 220
Coagulant liquid medicine pump 822 on outer wall 230 of clean water tank
Coagulant dissolving tank 823 of rotary water distribution mechanism 3
Coagulant aid dosing pipe 831 of water distribution pipe 30
Coagulant aid medical liquid pump 832 of water distribution port 31
Clean water collecting pipe 5 microbubble manufacturing system 91
Liftable go out water installation 6 backwash pump 912
Adjusting bracket 62
Detailed Description
The present invention will be described in further detail with reference to embodiments shown in the drawings. The described embodiments include various specific details to aid understanding, but they are to be construed as merely illustrative, and not a full and partial description of the invention. Meanwhile, in order to make the description more clear and concise, a detailed description of functions and configurations well known in the art will be omitted.
Unless defined otherwise, technical or scientific terms used herein shall have the ordinary meaning as understood by one of ordinary skill in the art to which this invention belongs. The terms "upper", "lower" or "above" and "below" in the present application refer to the upper and lower relationships as generally illustrated in the drawings of the present application. When the placement state changes, for example, when the placement state is turned over, the corresponding positional relationship should be changed accordingly to understand or implement the technical solution of the present application.
As shown in fig. 1 to 5, and with reference to the layout of the components shown in fig. 6, an aquatic shallow air floating device is arranged on a ship or an aquatic platform; the device comprises an air floatation tank 1, wherein a central shaft 2 is arranged in the air floatation tank 1, and a treatment tank 10 is formed by the space in the air floatation tank 1 around the central shaft 2; the middle shaft 2 is relatively rotatably connected with a rotary water distribution mechanism 3, a slag discharge mechanism 4 and a clean water collecting pipe 5, the rotary water distribution mechanism 3 and the slag discharge mechanism 4 are respectively arranged at the upper part of the treatment tank 10, and the clean water collecting pipe 5 is arranged in the treatment tank 10; the rotary water distribution mechanism 3 is arranged in front of the rotation direction of the slag discharge mechanism 4 around the central shaft 2, and the clean water collection pipe 5 is arranged behind the rotation direction of the slag discharge mechanism 4 around the central shaft 2. When the treatment device runs, raw water is pumped into the treatment tank 10 through the rotary water distribution mechanism 3, the height of the edge of the shallow air floatation tank can be increased relative to a fixed treatment device on the shore in consideration of the shaking condition of water use, the depth of the tank body is increased, and the running water level is greatly lower than the tank edge of the treatment tank 10. The deslagging operation mode is that the water distribution mechanism rotates and walks, and simultaneously, a conical skimming bucket arranged in the deslagging mechanism 4 rotates 360 degrees, so that the surface layer scum is dug and lifted by the lifting force to flow into the scum concentration tank 71. Because heighten shallow layer air supporting pond limit height to deepen the mud skimming fill depth of dredging, air supporting pond sewage is difficult for shaking out from the pond limit when meetting to rock, avoids simultaneously because equipment rocks and causes the water level to reduce and lead to cause the mud skimming fill can't dig the transport dross to the skimming pond.
The middle shaft 2 is internally provided with a scum pool 21, a water outlet pool 22 and a clean water pool 23, and the scum pool 21, the water outlet pool 22 and the clean water pool 23 are concentrically arranged from inside to outside; the outlet of the slag discharging mechanism 4 is arranged at the inlet at the top of the scum pool 21, the water inlet of the clean water collecting pipe 5 is positioned in the processing pool 10, and the water outlet of the clean water collecting pipe 5 is communicated with the clean water pool 23. Through the arrangement, raw water entering the treatment tank 10 and clear water after skimming scum can form different partitions, so that the phenomenon that sewage overflows due to equipment shaking is avoided, the purpose of dealing with special working conditions of the water surface is achieved, and stable operation and standard water outlet are ensured. When the device runs, the raw water, the scum skimmed by the scum removing device and the final effluent after the scum is removed are mutually isolated, and the respective motions do not influence each other, so that the sewage overflow caused by the shaking of the device is effectively avoided.
Compared with the existing dissolved air flotation technology, the existing dissolved air flotation technology is dynamic water inlet, dynamic water outlet and dynamic oblique line separation, and has strong disturbance to a water body and poor separation effect; the separation process is long, dead corner areas are large, and sludge is easy to settle. The technical scheme of the application eliminates the mutual influence of water inlet and outlet and each part of water body, and has small water body disturbance and good separation effect.
The height of the clean water tank outer wall 230 of the clean water tank 23 is higher than that of the scum tank outer wall 210 of the scum tank 21, and the height of the water outlet tank outer wall 220 of the water outlet tank 22 is lower than that of the scum tank outer wall 210. When the floating slag discharging device operates, floating slag flows into the floating slag pool 21 through the slag discharging mechanism 4, floating slag in the pool is continuously fed and discharged due to the communication between the bottom of the floating slag pool 21 and the floating slag concentration pool 71, the height in the pool is low, the floating slag cannot enter the adjacent water outlet pool 22 due to shaking, and meanwhile, the floating slag is prevented from entering the water outlet pool 22 and clear water in the water outlet pool 22 is prevented from entering the floating slag pool 21 due to the height arrangement of the outer wall 210 of the floating slag pool. The height of the outer wall 230 of the clean water tank is high to prevent the liquid in the treatment tank 10 from entering the clean water tank 23 due to shaking when skimming the scum. Clear water entering the clear water tank 23 through the clear water collecting pipe 5 overflows into the clear water tank 22 from the top end of the outer wall 220 of the clear water tank, a connecting pipeline at the bottom of the clear water tank 22 is communicated with the air floatation clarification water tank 72, the interior of the clear water tank 23 cannot be influenced by the disturbance of the outlet water in the clear water tank 22, the interior of the clear water tank 22 cannot be influenced by the disturbance of the water body in the clear water tank 23, sludge cannot be caused to enter the outlet water due to shaking, and the stability of the outlet water is ensured.
The top of the outer wall 220 of the water outlet pool is also provided with a liftable water outlet device 6. Through setting up adjustable play water operation water level height device, make it mutually support through adjustment play water level, can not cause the limit that overflows of sewage because of equipment rocks when making the skimming bucket skimming depth in good running state, reach the purpose of dealing with the special operating mode of surface of water.
The liftable water outlet device 6 comprises a liftable baffle 60, and the liftable baffle 60 and the outer wall 220 of the water outlet pool are concentrically arranged and attached to the outer surface and/or the inner surface of the outer wall 220 of the water outlet pool; be equipped with fixed bolster 61 on the play pond outer wall 220, the top of liftable baffle 60 is equipped with adjusts support 62, adjust support 62 and go up through screwed connection installation adjusting screw 63, adjusting screw 63's bottom with the upper surface contact of fixed bolster 61.
The top of the adjusting screw 63 is also provided with an adjusting screw driver 630. The adjustment screw drive 630 may be a rotary handle to rotationally drive the adjustment screw 63. The water outlet system horizontally lifts or lowers the height of the water outlet by arranging 3 screw rotary handles at the round water outlet of the clean water tank, thereby controlling the water level of the air floatation tank and leading the spiral mud bucket to thoroughly and completely remove scum
The bottom of the scum pond 21 and/or the treatment pond 10 is communicated with a scum concentration pond 71. The scum concentration tank 71 is connected with a dewatering device.
The water outlet tank 22 is communicated with an air floatation clarifying water tank 72.
The middle part of the middle shaft 2 is provided with a raw water input pipe 81, the output port of the raw water input pipe 81 is communicated with the water distribution pipe 30 of the rotary water distribution mechanism 3, and the input port of the raw water input pipe 81 is communicated with the raw water flocculation tank 80 through a raw water pump 801.
The rotary water distribution mechanism 3 is provided with a plurality of water distribution ports 31.
The central shaft 2 is a general name of a middle part composed of a raw water input pipe 81, a scum pool 21, a water outlet pool 22 and a clean water pool 23. The raw water inlet pipe 81 is used as a raw water inlet pipeline, a rotary joint is arranged at the top of the raw water inlet pipe, the water distribution pipe 30 of the rotary water distribution mechanism 3 is used as a water inlet pipeline of the rotary water distribution mechanism 3 and is connected with the rotary joint, the raw water inlet pipe 81 below the rotary joint cannot rotate, and the water distribution mechanism can freely rotate through the rotary joint. The bottoms of the scum pool 21 and the clean water pool 23 can be connected with pipelines, and liquid in the scum pool 21 and the clean water pool 23 can flow away quickly through the pipelines.
A coagulant liquid medicine pump 822 and a coagulant medicine dissolving tank 823 are further connected and arranged on the pipeline between the raw water flocculation tank 80 and the raw water pump 801 through a coagulant medicine adding pipe 821. The coagulant is polyaluminium chloride (PAC).
A coagulant aid liquid medicine pump 832 and a coagulant aid dissolving tank 833 are also connected and arranged on a pipeline between the raw water pump 801 and the input port of the raw water input pipe 81 through a coagulant aid adding pipe 831. The coagulant aid is Polyacrylamide (PAM).
The input port of the raw water input pipe 81 is also connected with a microbubble manufacturing system 91, and the microbubble manufacturing system 91 is connected with a dissolved air preparation system 92.
The microbubble manufacturing system 91 is communicated with the air flotation clarifying water tank 72 through a reflux pump 912.
According to the application, shallow layer air supporting device on water, clean water pond outer wall 230 can set up to rotate in air supporting pond 1, and a feasible concrete setting method is for installing clean water pond outer wall 230 at 1 diapire in air supporting pond, and it is rotatory from 1 below drive clean water pond outer wall 230 in air supporting pond, is connected through waterproof bearing device between the bottom wall trompil in clean water pond outer wall 230 and air supporting pond 1, makes clean water pond outer wall 230 rotatable and can avoid the seepage. The top of the outer wall 230 of the clean water tank is fixedly connected with a walking bracket 99 and rotates along with the walking bracket 99, and the other end of the walking bracket 99 is provided with a roller which can rotate along the upper edge of the outer wall of the air floatation tank 1, so that the walking bracket 99 forms a rotary motion around the central axis. The rotary water distribution mechanism 3 is arranged on the walking bracket 99, and the rotary water distribution mechanism 3 and the rotatable part of the rotary joint rotate along with the walking bracket 99. One end of the slag discharging mechanism 4 is arranged at the outlet end of the slag discharging mechanism at the inlet of the top of the floating slag pool 21, the slag discharging mechanism is arranged on the walking bracket 99 through a bearing seat, the other end of the slag discharging mechanism 4 is fixed at the other end of the walking bracket or rotates along the upper edge of the outer wall of the floating slag pool 1 through the arrangement of a walking wheel, and the walking bracket 99 is provided with a power mechanism for driving the conical slag skimming bucket of the slag discharging mechanism 4 to rotate for 360 degrees. The clean water collecting pipe 5 rotates with the clean water tank outer wall 230.
The water shallow air flotation device has the working principle that raw water to be treated enters a raw water input pipe 81 at the center and is uniformly distributed into an air flotation tank through a rotary water distribution mechanism 3, the moving speed of a water distribution pipe is the same as the water outlet flow speed, the directions are opposite, and therefore zero speed, static water inlet, static water outlet and static separation are generated, the separation is rapid and efficient, and no dead zone exists in the separation process; the disturbance of water inflow is reduced to the minimum, and the floc floats vertically in a static state. The skimming device of the slag discharging mechanism 4 moves synchronously with the main machine traveling mechanism and rotates and moves simultaneously, so that scum is collected and discharged out of the scum pond 21 which is a central mud pipe. Clear water in the pool is drained from the center through a clear water collecting pipe 5, the collecting pipe and the main machine traveling mechanism move synchronously, and the clear water pipe and the water distribution pipe are separated by the water distribution mechanism and do not interfere with each other. The sediment at the bottom of the pool is collected into a discharge groove by a scraper and is discharged periodically. The process realizes static water distribution, static water discharge, vertical solid-liquid separation, short retention time, instantaneous scum discharge and low suspended matter and turbidity of the discharged water. The air floatation integrates flocculation, air floatation, skimming, sedimentation and mud scraping. The air dissolving system is designed in a matched way, and the air dissolving device is small in size, high in air dissolving efficiency and compact in structure.
According to the application, its air supporting pond and hang sediment system can increase the cell body degree of depth according to the surface of water regimen condition, makes the operating water level be less than the pond limit by a wide margin, not limit, do not overflow under the condition that equipment rocked. Through the spiral of the slag discharging mechanism 4 and the spiral mud bucket with deepened design, the water entering conforms to hydrodynamics, scum is cut and dug in a perfect tangent line, the disturbance of the water body is eliminated to the maximum extent, the solid and liquid separation is thorough, the scum is instantly removed, the separation and the discharge are realized, and the disturbance to the water body is almost avoided. In addition, the rotation period and the effluent water level of the spiral mud bucket are adjusted through the frequency conversion of the motor, the thickness of scum can be controlled, no scum is sunk, the effluent water quality is influenced, and the spiral mud bucket is very flexible and mobile.
According to the application, the process flow of the overwater shallow air floating device comprises the following steps:
1) the raw water is collected to a raw water flocculation tank 80, so that the water quality and the water quantity are balanced;
2) then lifted to the treatment tank 10 in the shallow ion floatation tank by a sewage lifting pump, namely a raw water pump 801;
3) adding coagulant before the sewage lift pump, adding coagulant aid at the air floatation inlet, and fully mixing for flocculation reaction; the positive charges generated by the energy dissipation decompression mixing device and the dissolved air system, namely the microbubble manufacturing system 91, are absorbed by the microbubbles and are bridged into the air floatation water distribution system, namely the rotary water distribution mechanism 3;
4) uniformly distributing the water into the air floatation tank body through a water distribution port 31 of the rotary water distribution mechanism 3, regulating the speed to zero speed by frequency conversion, and performing vertical solid-liquid separation;
5) scum (with adjustable concentration) separated by solid and liquid flows to a scum concentration tank (scum concentration tank 71) through a spiral scum collecting device (scum mechanism 4) and enters a sludge dewatering system for treatment;
6) the clarified water automatically flows into a collecting tank, namely an air floatation clarifying water tank 72, and then is treated in the next procedure.
According to the shallow layer air supporting device on water of this application, dissolve gas preparation system 92 and air dissolving system promptly is the micron order integrated injection system of air, provides the water of dissolving gas for microbubble manufacturing system 91. The microbubble manufacturing system 91 enables the two phases of water molecules and air molecules in the dissolved air water to move and separate at high speed in different directions within less than 1 microsecond, and the water molecules and the air molecules are instantly gathered to form uniform tiny bubbles carrying charges. And a reaction system is formed by a coagulant adding pipe 821, a coagulant aid adding pipe 831 and the like, so that air, water and a medicament are fully mixed and reacted, pollutants are adsorbed, adhered and the like in a pipeline, and the reaction time and the removal rate are improved. The rotary water distribution mechanism 3 is provided with a plurality of water distribution pipes 30, and each water distribution pipe 30 is provided with a plurality of water distribution ports 31, so that the flow adaptation range of the water distribution system is large, and the air floatation water distribution is uniform and stable.
According to the overwater shallow air flotation device, the device can be installed on any overwater platform, the overwater platform can be freely dragged or a driving ship can timely treat heavily polluted water areas, and the purposes of rapidness, energy conservation and high efficiency are achieved; by heightening the height of the edge of the shallow air flotation tank, deepening the dredging depth of the mud skimming bucket and arranging the device capable of adjusting the height of the running water level of the discharged water, the mud skimming bucket is in a good running state in the mud skimming depth, the sewage overflows without shaking due to equipment, the purpose of coping with special working conditions of the water surface is achieved, and stable running and standard water discharge are ensured. The device can directly reach polluted water areas to operate, so that the purpose is directly reached, and the embarrassment that fixed water intake ports of water works and sewage plants cannot take water from heavily polluted water areas is solved. The load is little, and it is few to take up an area of, and is especially adapted to arrange in the surface of water, for surface of water platform or boats and ships relief, reduce the investment by a wide margin.
Claims (10)
1. A water shallow air floating device is arranged on a ship or a water platform; the device is characterized by comprising an air floatation tank (1), wherein a middle shaft (2) is arranged in the air floatation tank (1), and a treatment tank (10) is formed by the space in the air floatation tank (1) around the middle shaft (2); the middle shaft (2) is relatively rotatably connected with a rotary water distribution mechanism (3), a slag discharge mechanism (4) and a clean water collecting pipe (5), the rotary water distribution mechanism (3) and the slag discharge mechanism (4) are respectively arranged at the upper part of the treatment tank (10), and the clean water collecting pipe (5) is arranged in the treatment tank (10); the rotary water distribution mechanism (3) is arranged in front of the rotation direction of the slag discharge mechanism (4) around the central shaft (2), and the clear water collecting pipe (5) is arranged behind the rotation direction of the slag discharge mechanism (4) around the central shaft (2).
2. The shallow air flotation device on water as claimed in claim 1, wherein a scum pool (21), a water outlet pool (22) and a clean water pool (23) are arranged in the middle shaft (2), and the scum pool (21), the water outlet pool (22) and the clean water pool (23) are concentrically arranged from inside to outside; the outlet of the slag discharging mechanism (4) is arranged at the top inlet of the scum pool (21), the water inlet of the clean water collecting pipe (5) is positioned in the processing pool (10), and the water outlet of the clean water collecting pipe (5) is communicated with the clean water pool (23).
3. The shallow air floating device on water as claimed in claim 2, characterized in that the height of the outer wall (230) of the clean water tank (23) is higher than the height of the outer wall (210) of the scum tank (21), and the height of the outer wall (220) of the water outlet tank (22) is lower than the height of the outer wall (210) of the scum tank.
4. The shallow water air flotation device according to claim 3, wherein a liftable water outlet device (6) is further arranged at the top of the outer wall (220) of the water outlet pool.
5. The above-water shallow air flotation device according to claim 4, wherein the liftable water outlet device (6) comprises a liftable baffle (60), the liftable baffle (60) and the outer wall (220) of the water outlet pool are concentrically arranged and attached to the outer surface and/or the inner surface of the outer wall (220) of the water outlet pool; be equipped with fixed bolster (61) on outlet basin outer wall (220), the top of liftable baffle (60) is equipped with adjusts support (62), adjust support (62) and go up through screwed connection installation adjusting screw (63), the bottom of adjusting screw (63) with the upper surface contact of fixed bolster (61).
6. The shallow-layer air flotation device on water as claimed in claim 2, characterized in that the bottom of the scum pool (21) and/or the treatment pool (10) is communicated with a scum concentration pool (71), and the water outlet pool (22) is communicated with an air flotation clarification pool (72).
7. The shallow water flotation device according to claim 2, wherein a raw water input pipe (81) is arranged in the middle of the central shaft (2), an output port of the raw water input pipe (81) is communicated with the water distribution pipe (30) of the rotary water distribution mechanism (3), and an input port of the raw water input pipe (81) is communicated with the raw water flocculation tank (80) through a raw water pump (801).
8. The shallow water flotation device according to claim 7, wherein a coagulant solution pump (822) and a coagulant solution tank (823) are further connected and arranged on a pipeline between the raw water flocculation tank (80) and the raw water pump (801) through a coagulant solution feeding pipe (821).
9. The shallow air flotation device on water as claimed in claim 7, wherein a coagulant aid liquid pump (832) and a coagulant aid dissolving tank (833) are further connected and arranged on a pipeline between the raw water pump (801) and the input port of the raw water input pipe (81) through a coagulant aid adding pipe (831).
10. The shallow layer air flotation device on water as claimed in claim 7, wherein the input port of the raw water input pipe (81) is further connected with a micro-bubble manufacturing system (91), and the micro-bubble manufacturing system (91) is connected with a dissolved air preparation system (92).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159662.5A CN112142151A (en) | 2020-10-26 | 2020-10-26 | Shallow layer air supporting device on water |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011159662.5A CN112142151A (en) | 2020-10-26 | 2020-10-26 | Shallow layer air supporting device on water |
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| Publication Number | Publication Date |
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| CN112142151A true CN112142151A (en) | 2020-12-29 |
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| CN202011159662.5A Pending CN112142151A (en) | 2020-10-26 | 2020-10-26 | Shallow layer air supporting device on water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210396A (en) * | 2021-03-31 | 2021-08-06 | 翟兆锐 | Integrated organic garbage treatment device |
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2020
- 2020-10-26 CN CN202011159662.5A patent/CN112142151A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113210396A (en) * | 2021-03-31 | 2021-08-06 | 翟兆锐 | Integrated organic garbage treatment device |
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