CN110330074B - Cavitation effect sewage treatment device and using method thereof - Google Patents
Cavitation effect sewage treatment device and using method thereof Download PDFInfo
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- CN110330074B CN110330074B CN201910665739.7A CN201910665739A CN110330074B CN 110330074 B CN110330074 B CN 110330074B CN 201910665739 A CN201910665739 A CN 201910665739A CN 110330074 B CN110330074 B CN 110330074B
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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
- C02F1/34—Treatment of water, waste water, or sewage with mechanical oscillations
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Abstract
The invention discloses a sewage treatment device with cavitation effect and a using method thereof, wherein the sewage treatment device with cavitation effect comprises a sewage pool, a reservoir, a water pump, a circulating pipeline, a floating plate, a hydrodynamic cavitation device and a clean water pool; the floating plate is arranged in the water storage tank, and the hydrodynamic cavitation device is arranged on the floating plate through a suspension platform; the hydrodynamic cavitation device is arranged on the floating plate, and the floating plate moves at the position of the reservoir through the traction rope, so that the hydrodynamic cavitation device acts on the whole reservoir area; meanwhile, the hydrodynamic cavitation device can generate strong cavitation effect, generate instant high temperature, high pressure and strong shock waves, and oxidize and degrade organic matters and kill microorganisms in the water body in the sewage tank.
Description
Technical Field
The invention relates to the technical field of sewage treatment devices, in particular to a sewage treatment device with a cavitation effect and a using method thereof.
Background
The effect of cavitation jets is mainly due to the high temperature and pressure environment created by the collapse of the cavitation bubbles. In the cavitation jet process, a large number of cavitation bubbles are generated, which collapse in an extreme time and generate high temperatures of up to several thousands or even tens of thousands K in the interior thereof and develop extremely high pressures. Because the temperature and pressure are extremely high and the process is carried out in the microsecond range, the released energy is enough to cause the decomposition of macromolecules, the breaking of chemical bonds and the generation of free radicals, thereby playing a role in destroying the molecular components of pollutants. At the same time, the high energy also opens the O-H bond in the water molecule, so that the water molecule is directly cracked into-H and-OH free radicals, and the free radicals can further generate HO and H202. These strong oxidizing radicals are very beneficial to polymer chemical reaction, other free radical oxidation reaction and organic pollutant degradation.
The existing sewage treatment has the problems of single cavitation means, insufficient cavitation capacity and uneven cavitation jet caused by mainly depending on the structure of a nozzle, greatly limited cavitation cleaning effect and inconvenient movement in the using process.
Disclosure of Invention
The invention aims to provide a cavitation effect sewage treatment device which has a good cavitation treatment effect and is convenient to move.
In order to achieve the purpose, the invention adopts the technical scheme that: a sewage treatment device with cavitation effect comprises a sewage pool, a reservoir, a water pump, a circulating pipeline, a floating plate, a hydrodynamic cavitation device and a cleaning water pool; the floating plate is arranged in the water storage pool, the hydrodynamic cavitation device is arranged on the floating plate through the hanging table, one end of the water pump is connected with the sewage pool through a first branch pipe of the circulating pipeline, and the other end of the water pump is connected with the hydrodynamic cavitation device through a second branch pipe; the water quality monitors are arranged in the sewage pool and the water storage pool, and the water storage pool is respectively connected with the sewage pool and the clean water pool through a bypass pipe of the circulating pipeline; the suspension table comprises a first connecting port, a fixed sleeve, a telescopic sleeve and a second connecting port; one end of the first connecting port is connected with the second branch pipe, the other end of the first connecting port is connected with the fixed sleeve, the fixed sleeve is embedded into the mounting groove of the floating plate, the number of the telescopic sleeves is multiple, and the number of the telescopic sleeves are sequentially embedded into the fixed sleeve to form a telescopic suspension table; the second connecting port is connected with the hydrodynamic cavitator; the water in the sewage pool is pretreated to filter impurities such as solid particles, suspended matters and the like so as to prevent the impurities in the water from blocking a water pump or a hydraulic cavitator, then the pretreated water enters the water pump from a first branch pipe and is pressurized, enters the hydraulic cavitator arranged on the floating plate through a second branch pipe to generate a strong cavitation effect and generate instant high temperature, high pressure and strong shock waves, organic matters in the water body in the sewage pool can be oxidized and degraded and microorganisms can be killed, the water body is discharged to a reservoir, and when a water quality monitor in the reservoir detects that the water body reaches a discharge standard, the water body is conveyed to a clean water pool through a side pipe; when the water quality monitor in the water storage tank detects that the water body does not reach the discharge standard, the water enters the sewage tank through the other path of side pipe, and the cavitation treatment effect is improved by increasing the cavitation treatment times of the water body in the sewage tank.
As a further improvement of the scheme, the diameter of one side of the telescopic sleeve close to the hydrodynamic cavitation device is smaller than that of the side far away from the hydrodynamic cavitation device.
As a further improvement of the scheme, positioning seats are arranged on two sides of the lower portion of the fixing sleeve, and positioning pull rods are arranged on the positioning seats.
As a further improvement of the above scheme, the positioning pull rod comprises a fixed end and drag hooks arranged at two sides of the fixed end; the draw hook of one side is connected with the positioning seat, and the draw hook of the other side is connected with the shoulder arranged on the telescopic sleeve.
As a further improvement of the scheme, the two sides of the fixed end are provided with internal threads, the middle of the fixed end is of a cavity structure, and the pull buckle is provided with external threads matched with the internal threads.
As a further improvement of the scheme, the floating plate is provided with a traction rope.
As a further improvement of the above scheme, the hydrodynamic cavitation device comprises a mounting seat and a nozzle body which are connected with the tail end of the telescopic sleeve; the spray head body comprises a water inlet, a fluid jet contraction pipeline, a short connecting pipe, a fluid jet expansion pipeline and a pore plate; one end of the water inlet is connected with the second connecting port, the other end of the water inlet is connected with the fluid jet flow contraction pipeline, one end of the short connecting pipe is connected with the fluid jet flow contraction pipeline, and the other end of the short connecting pipe is connected with the fluid jet flow expansion pipeline; the orifice plate is arranged at the tail end of the spray head body.
As a further improvement of the scheme, the pore plate is provided with a plurality of water outlets.
As a further improvement of the scheme, a swirler is arranged on the fluid jet flow contraction pipeline.
In order to achieve the above objects, another aspect of the present invention provides a method for using a cavitation apparatus having a movable outlet chamber capable of concentrating energy of a water jet.
In order to achieve the purpose, the invention adopts the technical scheme that: a method for using a cavitation effect sewage treatment device comprises the following steps:
s1, testing the pollution index in the sewage tank by using a water quality monitor;
s2, arranging a floating plate in the water storage tank, and fixing the hydrodynamic cavitation device on the floating plate through a suspension platform;
s3, adjusting the position of the telescopic sleeve to fix the spray head of the hydraulic cavitator below 0.5 m in depth on the water surface of the reservoir;
s4, tying a traction rope on the floating plate, and controlling the position of the floating plate in the water storage tank;
s5, switching on a power supply and starting a water pump, and starting the hydraulic cavitator to work;
s6, observing the dirt cleaning effect of the hydrodynamic cavitation device in the water storage tank, and moving the hydrodynamic cavitation device through a traction rope to enable the hydrodynamic cavitation device to act on the whole water storage tank area;
and S7, finishing sewage treatment and entering a clean water tank.
Compared with the prior art, the invention has the beneficial effects that: the hydrodynamic cavitation device is arranged on the floating plate, and the floating plate moves at the position of the reservoir through the traction rope, so that the hydrodynamic cavitation device acts on the whole reservoir area;
the hydrodynamic cavitator can generate strong cavitation effect, generate instant high temperature, high pressure and strong shock waves, and oxidize and degrade organic matters and kill microorganisms in a water body in a sewage tank;
the invention improves the cavitation treatment effect by increasing the times of cavitation treatment on the water body in the sewage tank;
the invention increases the application range of sewage cleaning by adjusting the depth of the spray head of the hydraulic cavitator on the water surface of the reservoir.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a first schematic view of the suspension stage of the present invention;
FIG. 3 is an enlarged view of A of FIG. 2 according to the present invention;
FIG. 4 is a schematic view of a second embodiment of the suspension stage of the present invention;
FIG. 5 is a schematic view showing the arrangement of the hydrodynamic cavitation device of the present invention installed on a floating plate;
FIG. 6 is a schematic diagram of the hydrodynamic cavitator configuration of the present invention;
fig. 7 is a schematic view of the structure of the orifice plate of the present invention.
In the drawings: 1 is a sewage pool, 2 is a water storage pool, 3 is a water pump, 4 is a circulating pipeline, 5 is a floating plate, 6 is a hydraulic cavitator, 7 is a clean water pool, 8 is a suspension platform, 9 is a water quality monitor, 41 is a branch pipe I, 42 is a branch pipe II, 43 is a side pipe, 51 is a traction rope, 61 is a mounting seat, 62 is a spray head body, 81 is a first connecting port, 82 is a fixed sleeve, 83 is a telescopic sleeve, 84 is a second connecting port, 85 is a positioning seat, 86 is a positioning pull rod, 621 is a water inlet, 622 is a fluid jet contraction pipeline, 623 is a connecting short pipe, 624 is a fluid jet expansion pipeline, 625 is a pore plate and 626 is a cyclone; 831 is shoulder, 861 is fixed end, 862 is drag hook, 831 shoulder.
Detailed Description
The present invention will be described in further detail with reference to specific examples. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1 to 7, a cavitation sewage treatment apparatus includes a sewage tank 1, a water reservoir 2, a water pump 3, a circulation pipeline 4, a floating plate 5, a hydrodynamic cavitation device 6, and a clean water tank 7; the floating plate 5 is arranged in the reservoir 2, the hydrodynamic cavitation device 6 is arranged on the floating plate 5 through a suspension platform 8, one end of the water pump 3 is connected with the sewage tank 1 through a first branch pipe 41 of the circulating pipeline 4, and the other end of the water pump 3 is connected with the hydrodynamic cavitation device 6 through a second branch pipe 42; a water quality monitor 9 is arranged in each of the sewage pool 1 and the impounding reservoir 2, and the impounding reservoir 2 is respectively connected with the sewage pool 1 and the clean water pool 7 through a side pipe 43 of the circulating pipeline 4; the suspension table 8 comprises a first connecting port 81, a fixed sleeve 82, a telescopic sleeve 83 and a second connecting port 84; one end of the first connecting port 81 is connected with the second branch pipe 42, the other end of the first connecting port 81 is connected with the fixed sleeve 82, the fixed sleeve 82 is embedded into the installation groove of the floating plate 5, the number of the telescopic sleeves 83 is multiple, the number of the telescopic sleeves 83 are sequentially embedded into the fixed sleeve 82 to form a telescopic suspension table, wherein the diameter of one side, close to the hydraulic cavitator 6, of the telescopic sleeves 83 is smaller than that of one side, far away from the hydraulic cavitator 6, of the telescopic sleeves 83, the second connecting port 84 is connected with the hydraulic cavitator 6, control valves are arranged on the first branch pipe 41, the second branch pipe 42 and the side pipe 43, and a pressure gauge is arranged at a water outlet of the water pump 3; when the device is used, the water in the sewage pool is pretreated to filter impurities such as solid particles, suspended matters and the like so as to prevent the impurities in the water from blocking a water pump or a hydraulic cavitator, then the pretreated water enters the water pump 3 from the first branch pipe 41 to be pressurized, enters the hydraulic cavitator 6 arranged on the floating plate through the second branch pipe 42 to generate strong cavitation effect, generates instant high temperature, high pressure and strong shock wave, can oxidize and degrade organic matters and kill microorganisms in the water body in the sewage pool, and is discharged to the water storage pool 2, and when the water quality monitor 9 in the water storage pool 2 detects that the water body reaches the discharge standard, the water body is conveyed into the clean water pool 7 through the side pipe 43; when the water quality monitor 9 in the water storage tank 2 detects that the water body does not reach the discharge standard, the water enters the sewage tank 1 through the other path of the bypass pipe 43, and the cavitation treatment effect is improved by increasing the cavitation treatment times of the water body in the sewage tank.
When the water-jet type hydraulic cavitating device is used, the suspension table 8 is impacted by hydraulic power, the telescopic sleeve 83 can stretch downwards, in order to ensure that the spray head of the hydraulic cavitating device 6 is fixed below the water surface depth of the water storage tank 2 by 0.5 meter, positioning seats 85 are arranged on two sides of the lower part of the fixed sleeve 82, positioning pull rods 86 are arranged on the positioning seats 85, and each positioning pull rod 86 comprises a fixed end 861 and pull hooks 862 arranged on two sides of the fixed end 861; the draw hooks 862 on one side are connected to the positioning seat 85, and the draw hooks 862 on the other side are connected to the shoulders 831 provided on the telescopic sleeve 83.
In the above embodiment, since the position of the telescopic sleeve 83 needs to be adjusted, in order to facilitate the fixing of the positioning pull rod and the telescopic sleeve 83, two sides of the fixed end 861 are provided with internal threads, the middle of the fixed end is a cavity structure, and the pull hook 862 is provided with external threads matched with the internal threads; when in use, the draw hook 862 is screwed on the internal thread through the external thread to realize the extension or shortening of the positioning pull rod 86.
In the above embodiment, the floating plate 5 is provided with the pulling rope 51, the pulling rope may be arranged on one side of the floating plate 5, or the pulling rope may be arranged on both sides, when in use, a person on shore controls the position of the floating plate 5 through the pulling rope to change the dirt cleaning place, wherein the floating plate adopts an EPE plate as the floating body material. The whole floating plate is hexagonal, pentagonal, quadrangular or circular, and obviously, the shape of the floating plate can be other shapes capable of realizing the installation of the hydrodynamic cavitation device 6.
In the above embodiment, the hydrodynamic cavitator 6 includes the mounting seat 61 and the nozzle body 62 connected with the tail end of the telescopic sleeve 83; the spray head body 62 comprises a water inlet 621, a fluid jet contraction pipeline 622, a connecting short pipe 623, a fluid jet expansion pipeline 624 and an orifice plate 625; one end of the water inlet 621 is connected to the second connection port 84, the other end of the water inlet 621 is connected to the fluid jet constriction pipeline 622, one end of the short connection pipe 623 is connected to the fluid jet constriction pipeline 622, and the other end of the short connection pipe 623 is connected to the fluid jet expansion pipeline 624; the orifice plate 625 is disposed at the rear end of the nozzle body 62; wherein, a plurality of water outlets are arranged on the pore plate 625. When the device is used, sewage passing through the water inlet 621 forms jet flow through the fluid jet flow shrinkage pipeline 622, the flow rate of the fluid is increased, the pressure is reduced, and a cavitation effect is generated; then enters the fluid jet flow expansion pipeline 624 through the connecting pipeline 623 to increase the flow rate, and cavitation occurs again through the flow limiting effect of the orifice plate 625; through the multi-form cavitation, the extreme conditions of high temperature, high pressure, high turbulence and high jet flow are generated, and organic pollutants which are difficult to degrade conventionally in the wastewater are degraded harmlessly.
In the above embodiment, the fluid jet constriction pipeline 622 is provided with the cyclone 626, and the cavitation effect is generated by the shearing force generated by the high-speed rotation of the cyclone 636, so as to further enhance the cavitation effect of the wastewater.
The invention also provides a using method of the sewage treatment device with the cavitation effect, which comprises the following steps:
s1, testing the pollution index in the sewage tank by using a water quality monitor;
s2, arranging a floating plate in the water storage tank, and fixing the hydrodynamic cavitation device on the floating plate through a suspension platform;
s3, adjusting the position of the telescopic sleeve to fix the spray head of the hydraulic cavitator below 0.5 m in depth on the water surface of the reservoir;
s4, tying a traction rope on the floating plate, and controlling the position of the floating plate in the water storage tank;
s5, switching on a power supply and starting a water pump, and starting the hydraulic cavitator to work;
s6, observing the dirt cleaning effect of the hydrodynamic cavitation device in the water storage tank, and moving the hydrodynamic cavitation device through a traction rope to enable the hydrodynamic cavitation device to act on the whole water storage tank area;
s7, finishing sewage treatment, and enabling water in the water storage tank to enter a clean water tank.
The hydrodynamic cavitation device is arranged on the floating plate, and the floating plate moves at the position of the reservoir through the traction rope, so that the hydrodynamic cavitation device acts on the whole reservoir area; because the hydrodynamic cavitator generates strong cavitation effect, instant high temperature, high pressure and strong shock wave are generated, organic matters in the water body in the sewage tank can be oxidized, degraded and microorganisms can be killed, and the water body is discharged to the reservoir; when the water quality monitor in the water storage tank detects that the water body does not reach the discharge standard, the water enters the sewage tank through the other path of side pipe, and the cavitation treatment effect is improved by increasing the cavitation treatment times of the water body in the sewage tank.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (9)
1. A sewage treatment device with cavitation effect comprises a sewage pool (1), a water storage pool (2), a water pump (3), a circulating pipeline (4), a floating plate (5), a hydraulic cavitator (6) and a cleaning water pool (7); the floating plate (5) is arranged in the water storage tank (2), the hydraulic cavitator (6) is arranged on the floating plate (5) through a suspension platform (8), one end of the water pump (3) is connected with the sewage tank (1) through a first branch pipe (41) of the circulating pipeline (4), and the other end of the water pump (3) is connected with the hydraulic cavitator (6) through a second branch pipe (42); a water quality monitor (9) is arranged in each of the sewage pool (1) and the water storage pool (2), and the water storage pool (2) is respectively connected with the sewage pool (1) and the clean water pool (7) through a bypass pipe (43) of the circulating pipeline (4); the suspension table (8) comprises a first connecting port (81), a fixed sleeve (82), a telescopic sleeve (83) and a second connecting port (84); one end of the first connecting port (81) is connected with the second branch pipe (42), the other end of the first connecting port (81) is connected with the fixed sleeve (82), the fixed sleeve (82) is embedded into the mounting groove of the floating plate (5), a plurality of telescopic sleeves (83) are arranged, and the plurality of telescopic sleeves (83) are sequentially embedded into the fixed sleeve (82) to form a telescopic suspension platform; the second connecting port (84) is connected with the hydrodynamic cavitator (6); the hydraulic cavitator (6) comprises a mounting seat (61) and a nozzle body (62), wherein the mounting seat (61) is connected with the tail end of the telescopic sleeve (83); the spray head body (62) comprises a water inlet (621), a fluid jet contraction pipeline (622), a connecting short pipe (623), a fluid jet expansion pipeline (624) and a pore plate (625); one end of the water inlet (621) is connected with the second connecting port (84), the other end of the water inlet (621) is connected with the fluid jet flow contraction pipeline (622), one end of the short connecting pipe (623) is connected with the fluid jet flow contraction pipeline (622), and the other end of the short connecting pipe (623) is connected with the fluid jet flow expansion pipeline (624); the orifice plate (625) is arranged at the tail end of the spray head body (62).
2. The cavitation-effect sewage treatment apparatus according to claim 1, wherein the telescopic sleeve (83) has a smaller diameter on the side close to the hydrodynamic cavitation device (6) than on the side remote from the hydrodynamic cavitation device (6).
3. The cavitation-effect sewage treatment device according to claim 1, wherein positioning seats (85) are provided on both sides of the lower portion of the fixing sleeve (82), and positioning rods (86) are provided on the positioning seats (85).
4. The cavitation-effect sewage treatment apparatus according to claim 3, wherein the positioning tie (86) includes a fixed end (861) and a draw hook (862) provided on both sides of the fixed end (861); the draw hook (862) on one side is connected with the positioning seat (85), and the draw hook (862) on the other side is connected with a shoulder (831) arranged on the telescopic sleeve (83).
5. The sewage treatment device with cavitation effect according to claim 4, characterized in that the fixed end (861) is provided with internal threads on both sides, the middle part of the fixed end is a cavity structure, and the draw hook (862) is provided with external threads matched with the internal threads.
6. The cavitation-effect sewage treatment apparatus according to claim 1, wherein a pulling rope (51) is provided on the floating plate (5).
7. The cavitation-effect sewage treatment plant according to claim 1, wherein the orifice plate (625) is provided with a plurality of water outlets.
8. The cavitation-effect sewage treatment plant according to claim 7, characterised in that a cyclone (626) is arranged on the fluid jet constriction line (622).
9. The application method of the sewage treatment device with the cavitation effect is characterized by comprising the following steps:
s1: testing the pollution index in the sewage tank by using a water quality monitor;
s2: the floating plate is arranged in the water storage tank, and the hydrodynamic cavitation device is fixed on the floating plate through the hanging platform; the suspension table (8) comprises a first connecting port (81), a fixed sleeve (82), a telescopic sleeve (83) and a second connecting port (84); one end of the first connecting port (81) is connected with the second branch pipe (42), the other end of the first connecting port (81) is connected with the fixed sleeve (82), the fixed sleeve (82) is embedded into the mounting groove of the floating plate (5), a plurality of telescopic sleeves (83) are arranged, and the plurality of telescopic sleeves (83) are sequentially embedded into the fixed sleeve (82) to form a telescopic suspension platform;
s3: adjusting the position of the telescopic sleeve to fix the spray head of the hydraulic cavitator below 0.5 m of the depth of the water surface of the reservoir;
s4: a traction rope is tied on the floating plate to control the position of the floating plate in the reservoir;
s5: switching on a power supply and starting a water pump, and starting the hydraulic cavitator to work;
s6: observing the dirt cleaning effect of the hydrodynamic cavitation device in the water storage tank, and moving the hydrodynamic cavitation device through the traction rope to enable the hydrodynamic cavitation device to act on the whole water storage tank area;
s7: and (4) finishing sewage treatment, and enabling water in the water storage tank to enter a clean water tank.
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| CN111320234B (en) * | 2020-02-28 | 2021-10-12 | 江苏大学 | Sound flow coupling cavitation enhanced water treatment device |
| CN113019722B (en) * | 2020-12-03 | 2022-12-06 | 中国舰船研究设计中心 | Multi-stage rotational flow cavitation system with self-cleaning function |
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| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 300451 Workshop 142, 1st Floor, No. 167, Huanghai Road, Tianjin Economic and Technological Development Zone, Binhai New Area, Tianjin Patentee after: TIANJIN OSTAR UNDERWATER ROBOT CO.,LTD. Address before: 300459 7th floor, building 4-8, east of marine science and technology business park, 199 Haiyuan Road, Binhai New Area, Tianjin Patentee before: TIANJIN OSTAR UNDERWATER ROBOT CO.,LTD. |