CN212356938U - Molecular-level dense-phase rectification magnetic coupling dissolved oxygen device and ecological activity restoration system - Google Patents
Molecular-level dense-phase rectification magnetic coupling dissolved oxygen device and ecological activity restoration system Download PDFInfo
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- CN212356938U CN212356938U CN202020747168.XU CN202020747168U CN212356938U CN 212356938 U CN212356938 U CN 212356938U CN 202020747168 U CN202020747168 U CN 202020747168U CN 212356938 U CN212356938 U CN 212356938U
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Abstract
The utility model discloses a molecular level dense phase rectification magnetic coupling dissolved oxygen device relates to river water treatment and ecological remediation technical field, including the reactor jar body, inlet tube, outlet pipe, still include: the dissolved oxygen introducing assembly is configured to be used for introducing micro-nano bubbles with set sizes into the water body in the tank body after the water body is magnetized; the dissolved oxygen concentration lifting assembly is used for cutting micro-nano bubbles introduced into the tank body; the dissolved oxygen concentration monitoring assembly is used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe and outputting a concentration monitoring signal; the control assembly is in signal connection with the dissolved oxygen introducing assembly, the dissolved oxygen concentration lifting assembly and the dissolved oxygen concentration monitoring assembly, receives and responds to the concentration monitoring signal to output a control signal, controls the dissolved oxygen introducing assembly and/or the dissolved oxygen concentration lifting assembly to act, and generates supersaturated dissolved oxygen water which is uniformly distributed to a river channel through a water distribution pipeline, conditions and improves bottom mud and a river channel microenvironment to enable the whole system to be changed from an anaerobic state to an aerobic state.
Description
Technical Field
The utility model relates to a river course water treatment and ecological remediation technical field, more specifically say, it relates to a molecular level dense phase rectification magnetic coupling dissolved oxygen device and ecological active remediation system.
Background
Dissolved oxygen (dissolvedoxogen) content is the most important comprehensive index for measuring river water quality. On one hand, higher aquatic organisms in rivers need certain dissolved oxygen to survive; on the other hand, anaerobic bacteria are propagated due to the lack of oxygen in rivers, and the water quality is rapidly deteriorated, so that the phenomenon of black and odorous river channels occurs.
In order to increase the content of dissolved oxygen in the river water body, the simplest and most direct method is to aerate and oxygenate the river water body. For example, chinese patent with patent publication No. CN108002549A proposes a comprehensive treatment method for rapidly increasing dissolved oxygen in water and eliminating black and odorous river, and its main scheme is that after a fan and a main pipeline are installed, the main pipeline is connected with a nano-microporous aeration disc through a gas distribution pipe, and then microbial agents are splashed in the river, and simultaneously, oxygen aeration makes microorganisms multiply in quantity, degrades nutrients in the black and odorous river, and realizes improvement of water quality of the river and improvement of ecological activity.
However, in practice, it is found that oxygen cannot be well fused with the river water body in the above scheme, bubbles generated by the nano-microporous aeration disc are easily compounded in the water body, larger bubbles are formed and finally escape out of the water body, the dissolved oxygen content in the water body cannot be well improved, and the activity of an ecosystem in the river cannot be remarkably improved.
SUMMERY OF THE UTILITY MODEL
To direct this problem of water body dissolved oxygen content in can not effectively promote the river course to the river course internal aeration among the practical application, the utility model aims at providing a molecular level dense phase rectification magnetic coupling dissolved oxygen device, it can be effectively with oxygen dissolve in the river course water and keep longer dwell time, satisfies aerobic microorganism's in the river course survival demand. Based on above-mentioned molecular level dense phase rectification magnetic coupling dissolved oxygen device, the utility model discloses two aims at providing a river course ecological activity repair system, its dissolved oxygen content that can promote the interior water of river course reduces the concentration of organic matter in the river course, effectively improves quality of water in the river course, promotes river course ecosystem's activity, and concrete scheme is as follows:
the utility model provides a molecular level dense phase rectification magnetic coupling dissolved oxygen device, includes the reactor jar body and with inlet tube, the outlet pipe that the jar body is linked together still includes:
the dissolved oxygen introducing assembly is configured to be used for introducing micro-nano bubbles with set sizes into the water body in the tank body after the water body is magnetized;
the dissolved oxygen concentration lifting assembly comprises a cutting device arranged in the tank body and is used for cutting micro-nano bubbles introduced into the tank body;
the dissolved oxygen concentration monitoring assembly is arranged at the water outlet pipe and used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe and outputting a concentration monitoring signal;
and the control assembly comprises an intelligent controller, is configured to be in signal connection with the dissolved oxygen introducing assembly, the dissolved oxygen concentration lifting assembly and the dissolved oxygen concentration monitoring assembly, receives and responds to the concentration monitoring signal to output a control signal, and controls the dissolved oxygen introducing assembly and/or the dissolved oxygen concentration lifting assembly to act.
Through above-mentioned technical scheme, introduce the reactor jar body with the water in the river course to in to jar body let in oxygen and cutting with set for speed, make oxygen can dissolve the water better, and then promote the dissolved oxygen content of the water in the jar body, simultaneously, utilize the control assembly that intelligent control ware constitutes, can adjust each parameter according to the dissolved oxygen content of the water in the jar body, realize the accurate control of dissolved oxygen content from this. The retention time of the dissolved oxygen in the magnetized water body is longer, the content of the dissolved oxygen in the river channel can be effectively improved when the magnetized water body is discharged into the river channel, the growth of aerobic microorganisms is facilitated, and the purification of the river channel and the recovery and promotion of the ecological activity of the river channel are facilitated.
Furthermore, the tank body is arranged in a cylindrical shape, and the water inlet pipe and the water outlet pipe are respectively arranged at two ends of the tank body;
the dissolved oxygen introducing assembly comprises a water magnetizing device communicated with the water inlet pipe, a plurality of air inlet pipes which are axially distributed in the tank body and communicated with an external air inlet source, and an ultrafiltration membrane dense-phase aeration device which is axially arranged in the tank body and is respectively communicated with the plurality of air inlet pipes.
Through above-mentioned technical scheme, divide into the multilayer dissolved oxygen region with the cylindricality jar body, different dissolved oxygen regions let in the oxygen of not equidimension for the water in every layer dissolved oxygen region can both maximize the absorption dissolve the oxygen that lets in, show dissolved oxygen concentration and the degree of consistency that promotes jar body in the water.
Furthermore, the tank body is integrally in a pagoda shape or a conical shape, and the water inlet pipe and the water outlet pipe are respectively arranged at the top and the bottom of the tank body;
the ultrafiltration membrane dense-phase aeration device comprises a plurality of layers of membrane frames which are arranged along the axial direction of the tank body and a plurality of aeration membranes which are arranged at different positions on the membrane frames.
Through above-mentioned technical scheme, the water lets in the jar body from the inlet tube, because the tip volume of the jar body is less, the dwell time of water at jar body tip is shorter, but the magnetization degree is the highest, the oxygen solution rate that lets in this moment is lower, along with jar increase of body diameter, the velocity of flow in the jar body is slower, the time of detention is longer, but the magnetization degree reduces gradually, the oxygen that lets in this moment can have abundant time to dissolve to the water in, and then multistage promotion whole water dissolved oxygen content gradually.
Furthermore, an installation channel is reserved in the center of the multi-layer membrane frame along the axial direction of the tank body;
the cutting device comprises a spiral rectifier arranged in the installation channel, the spiral rectifier comprises a central rotating shaft arranged along the axial direction of the tank body, spiral guide vanes arranged on the central rotating shaft and inverted umbrella-shaped rotating blades arranged between two adjacent membrane frames, and the central rotating shaft is in transmission connection with a driving motor arranged outside the tank body;
the radius of rotation of spiral stator is not more than the radius of installation passageway, the umbelliform rotating vane distance the distance between the internal wall of jar is not less than 50 mm.
Through above-mentioned technical scheme, utilize spiral stator and the shape of falling umbrella rotating vane to carry out further cutting dispersion to the bubble in the jar body, reduce the granularity size of bubble, let the bubble dispersion in the jar body even, be favorable to oxygen to dissolve in the water. Simultaneously, utilize spiral guide vane and reverse umbrella shape rotating vane to produce the driving force of a settlement direction to the water for the water can be in each layer dissolved oxygen region from aeration membrane to jar body center pin short-time circulation flow, increase the detention time of rivers in this dissolved oxygen region, let the bubble that aeration membrane produced circulate to spiral guide vane department simultaneously and be cut.
Furthermore, a plurality of aeration membranes are uniformly arranged around the mounting channel, and the aeration membranes on the adjacent two layers of membrane frames are arranged in a staggered manner.
Through the technical scheme, the flowing and the dispersion of water bodies and bubbles among the dissolved oxygen areas of all layers in the tank body are facilitated.
Furthermore, the water magnetizing device comprises a permanent magnet or an electromagnet arranged around the water inlet pipe, or a magnetizing pipeline made of the permanent magnet or the electromagnet and communicated with the water inlet pipe.
Through above-mentioned technical scheme, the water magnetization unit based on permanent magnet or electromagnet is made can magnetize the water that enters into the jar body, and through the distortion rotation of polarity molecule in the water in the magnetic field, becomes little molecule water with macromolecule water, produces the active group, reduces the surface free energy and the surface tension of water, increases the mass transfer and the reaction rate of water, does benefit to oxygen and dissolves in the water and keeps longer time. Adopt the electromagnet to magnetize the water, then the magnetization degree of control water that can be accurate does benefit to the later stage and adjusts the dissolved oxygen concentration in the jar body.
Furthermore, a first flow regulating valve, a magnetic induction sensor and a first flow sensor which are used for controlling the flow rate of inlet water in the water inlet pipe are arranged on the water inlet pipe;
each air inlet pipe is provided with a second flow regulating valve, an air pump, a check valve and a second flow sensor, wherein the second flow regulating valve is used for regulating the flow rate of air flow in the air inlet pipe;
a third flow regulating valve and a third flow sensor are arranged on the water outlet pipe;
a plurality of pressure sensors are distributed in the tank body along the axial direction of the tank body;
the intelligent controller is in signal connection or control connection with the driving motor, the first flow regulating valve, the magnetic induction sensor, the first flow sensor, the second flow regulating valve, the second flow sensor, the third flow regulating valve, the third flow sensor and the plurality of pressure sensors, and is used for regulating and controlling the magnetization degree, the pressure and the dissolved oxygen concentration of the water in the tank body according to a set algorithm.
Through above-mentioned technical scheme, can carry out intelligent regulation to inflow, water yield, air input, magnetization, dissolved oxygen concentration etc. in the jar body, can both be nimble suitable to different water.
Furthermore, the tank body is also provided with an overrun alarm assembly, the overrun alarm assembly comprises a liquid level sensor and a pressure sensor which are arranged in the tank body, an overrun judging module which is arranged in the intelligent controller, and an acousto-optic alarm device or a remote alarm device which is connected with the intelligent controller, the overrun judging module receives output signals of the liquid level sensor and the pressure sensor, compares the output signals with a set value, and outputs an alarm signal to the acousto-optic alarm device or the remote alarm device according to a comparison result.
Through the technical scheme, when the liquid level in the tank body is too low or the pressure is too high, an alarm signal can be output on site or remotely, so that maintenance personnel can maintain and manage the device conveniently.
Further, the tank body is in a pagoda shape, the cross section of the tank body is square, the height of each layer is 1-2m, and the number of layers is 2-4;
the total height of the tank body is configured to be 3-6m, a membrane frame is configured every 1-2m, and the interval between the membrane frames is configured to be 20-60 cm.
An ecological activity restoration system comprises the molecular level dense phase rectification magnetic coupling dissolved oxygen device; further comprising:
the water taking device comprises a water taking pump and a filtering mechanism which are communicated with the water inlet pipe, wherein the water taking pump is used for pumping the water body in the river channel and pumping the water body into the tank body through the water inlet pipe;
and the water distribution pipeline comprises a plurality of water distribution pipes arranged at the bottom of the river channel, and the plurality of water distribution pipes are communicated with the water outlet pipe and are provided with holes or grooves for water outlet.
Through above-mentioned technical scheme, oxygen dissolves the water in the jar body, then will be rich in the water of dissolved oxygen and distribute the river course evenly in, promote the dissolved oxygen content in the river water to, above-mentioned dissolved oxygen can keep longer time in the river course, does benefit to the reproduction of aerobic microorganism in the river course, does benefit to the decomposition of organic matter in the river course, avoids the river course black and odorous phenomenon to appear, promotes ecosystem's in the river course activity.
Compared with the prior art, the beneficial effects of the utility model are as follows:
(1) by introducing the river water into the tank body and charging oxygen, the dissolved oxygen content of the water body is improved, and the water body is magnetized by utilizing the magnetization principle, so that the dissolved oxygen can be kept for a longer time;
(2) the tank body is divided into a plurality of layers of magnetized areas, so that the dissolved oxygen content of the water body in the tank body can be uniformly distributed, and the dissolved oxygen content can be rapidly improved;
(3) by arranging the spiral guide vane and the inverted umbrella-shaped rotating blade, bubbles in a water body can be cut, so that the bubbles are more easily dissolved in water, and the direction of water flow in the tank body can be guided, so that the water flow and the bubbles have more sufficient contact time and contact opportunity, and the dissolved oxygen content of the water body is easily and quickly improved;
(4) through setting up the control assembly, can adjust the body water dissolved oxygen concentration in the jar intelligently for above-mentioned dissolved oxygen device can be applicable to the water of different quality of water, and control is accurate and easily adjust.
Drawings
FIG. 1 is a schematic view of the whole oxygen dissolving device of the present invention;
fig. 2 is a functional module schematic diagram of the ecological activity restoration system of the present invention.
Reference numerals: 1. a tank body; 2. a water inlet pipe; 3. a water outlet pipe; 4. an air inlet pipe; 5. an external air intake source; 6. an ultrafiltration membrane dense-phase aeration device; 7. an air pump; 8. a dissolved oxygen concentration detector; 9. installing a channel; 10. a spiral rectifier; 11. a central rotating shaft; 12. a helical guide vane; 13. an inverted umbrella-shaped rotating blade; 14. a water magnetizing device; 15. a first flow regulating valve; 16. a magnetic induction sensor; 17. a first flow sensor; 18. a second flow regulating valve; 19. a check valve; 20. a second flow sensor; 21. a third flow rate regulating valve; 22. a third flow sensor; 23. a pressure sensor; 24. a liquid level sensor; 26. a water intake device; 27. a water taking pump; 28. a filtering mechanism; 29. and (4) a water distribution pipe.
Detailed Description
When the organic matter in the river is too much, in order to decompose the organic matter, the aerobic microorganisms in the river need to consume a large amount of oxygen, so that the situation of oxygen deficiency is easy to occur in the river. Once the dissolved oxygen content in the river water is greatly reduced, a large amount of microorganisms die, so that the river is black and smelly.
The current river aeration apparatus cannot effectively and rapidly increase the dissolved oxygen content in river water, and therefore, a new apparatus for increasing the dissolved oxygen content in river water is required.
The present invention will be described in further detail with reference to the following examples and drawings, but the embodiments of the present invention are not limited thereto.
A molecular-grade dense-phase rectifying magnetic coupling oxygen dissolving device is shown in figure 1 and comprises a reactor tank body 1, and a water inlet pipe 2 and a water outlet pipe 3 which are communicated with the tank body 1. The tank body 1 is integrally arranged in a cylindrical shape, and the water inlet pipe 2 and the water outlet pipe 3 are respectively positioned at two end parts of the tank body 1. In the embodiment, water is fed into the top of the tank body 1 or the side edge 10-40cm below the top, and water is discharged from the center of the tank body 1 or collected around the center ring and then discharged outside.
The tank 1 may be made of stainless steel, glass fiber reinforced plastic or carbon steel lined with resin, and in this embodiment, stainless steel is preferably used.
Besides, the molecular level dense phase rectification magnetic coupling dissolved oxygen device further comprises: the device comprises a dissolved oxygen introducing assembly, a dissolved oxygen concentration lifting assembly, a dissolved oxygen concentration monitoring assembly and a control assembly.
The dissolved oxygen introducing assembly is configured to be used for introducing micro-nano bubbles with set sizes into the water body in the tank body 1 after the water body is magnetized. The dissolved oxygen concentration lifting assembly comprises a cutting device arranged in the tank body 1 and is used for cutting micro-nano bubbles introduced into the tank body 1, so that the volume of the micro-nano bubbles is further reduced, and oxygen in the bubbles is dissolved into a water body conveniently. The dissolved oxygen concentration monitoring assembly is arranged at the water outlet pipe 3 and used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe 3 and outputting a concentration monitoring signal. The control assembly mainly comprises an intelligent controller and a sensor or an adjusting device arranged at the tank body 1, the water inlet pipe 2 and the water outlet pipe 3, is configured to be in signal connection with the dissolved oxygen introducing assembly, the dissolved oxygen concentration lifting assembly and the dissolved oxygen concentration monitoring assembly, receives and responds to the concentration monitoring signal to output a control signal, and controls the dissolved oxygen introducing assembly and/or the dissolved oxygen concentration lifting assembly to act.
In detail, as shown in fig. 1, the dissolved oxygen introducing assembly includes a water magnetizing device 14 communicated with the water inlet pipe 2, a plurality of air inlet pipes 4 distributed along the axial direction of the tank body 1 and communicated with the external air inlet source 5, and an ultrafiltration membrane dense phase aeration device 6 arranged in the tank body 1 along the axial direction of the tank body 1 and respectively communicated with the plurality of air inlet pipes 4.
The water magnetizing device 14 comprises a neodymium iron boron permanent magnet or electromagnet arranged around the water inlet pipe 2, or a magnetizing pipeline made of the permanent magnet or electromagnet and communicated with the water inlet pipe 2. In the present invention, the water magnetizing device 14 is preferably made of an electromagnet. The electromagnet forms a magnetized passage which is communicated with the water inlet pipe 2. The electromagnet is electrically connected with an external power supply and is controlled by the intelligent controller, and the intelligent controller controls the magnetic flux generated by the electromagnet by adjusting the current or frequency of the external power supply so as to control the magnetization degree of the water body flowing through the magnetization pipeline.
Above-mentioned scheme, water magnetization unit 14 based on permanent magnet or electromagnet make can magnetize the water that enters into jar body 1, and through the distortion rotation of polar molecule in the water in the magnetic field, becomes little molecule water with macromolecule water, produces the active group, reduces the surface free energy and the surface tension of water, increases the mass transfer and the reaction rate of water, does benefit to oxygen and dissolves in the water and keeps longer time.
In practice, the water magnetizing device 14 has a magnetizing flow rate of 1-3 m/s and a magnetic induction of 0.1-0.5T.
As shown in fig. 1, in order to accurately control the magnetization degree of the water body after flowing through the magnetization pipeline, the water inlet pipe 2 is provided with a first flow regulating valve 15, a magnetic induction sensor 16 and a first flow sensor 17 for controlling the flow rate of the inlet water in the water inlet pipe 2. Above-mentioned magnetic induction sensor 16 sets up between water magnetization unit 14 and jar body 1 for detect the magnetization degree of water, above-mentioned first flow control valve 15 with intelligent control ware control connection is controlled by intelligent control ware's control signal, controls the flow size of water in the inlet tube 2, first flow sensor 17 sets up in inlet tube 2 for detect the velocity of flow of rivers in the inlet tube 2, output first flow detection signal extremely intelligent control ware.
Above-mentioned scheme, when letting in the water magnetization degree in jar body 1 not enough, can promote into the magnetization degree of water through the magnetic field intensity in the reinforcing magnetization pipeline or slow down the water velocity in the inlet tube 2.
The utility model discloses in, the quantity of intake pipe 4 is a plurality of and distributes in proper order along jar axial of body 1, and then falls into the multilayer with the cylindricality jar body 1 and dissolves the oxygen region, and the oxygen of different volumes is let in the dissolved oxygen region of difference for the water in every layer dissolves the oxygen that the absorption that can both maximize in the dissolved oxygen region dissolves the oxygen that lets in, is showing dissolved oxygen concentration and the degree of consistency that promotes jar body 1 water.
In detail, as shown in fig. 1, the tank 1 is in a pagoda shape or a cone shape as a whole, and the water inlet pipe 2 and the water outlet pipe 3 are respectively arranged at the top and the bottom of the tank 1. A plurality of air inlet pipes 4 are communicated with each layer of dissolved oxygen area.
The ultrafiltration membrane dense-phase aeration device 6 comprises a plurality of layers of membrane frames which are arranged along the axial direction of the tank body 1 and a plurality of aeration membranes which are arranged at different positions on the membrane frames. In the utility model, the ultrafiltration membrane is adopted for aeration, and gas diffuses from the inside of the ultrafiltration membrane to the outside water. The ultrafiltration membrane can adopt a corrosion-resistant ceramic membrane or an organic membrane, and the aeration membrane can adopt a plate-type membrane or a hollow fiber membrane.
The utility model discloses in, outside air inlet source 5 includes air and pure oxygen, through the milipore filter aeration, distributes oxygen in aqueous with micro-nano size, evenly or according to setting for the speed outflow in order to make oxygen in the different degree of depth, every layer dissolved oxygen region is establishd air feed intake pipe 4 all the way and to flow and pressure independent control alone.
In this embodiment, the inlet pressure is maintained slightly above the bubble point pressure of the membrane, allowing the gas entering the water to enter the water in a smaller size and even in a dissolved state.
In order to accurately control the air inflow of the air inlet pipes 4, a second flow regulating valve 18 connected with the intelligent controller in a signal or control mode and used for regulating the flow rate of air in the air inlet pipes 4, an air pump 7, a check valve 19 for preventing water in the tank body 1 from flowing back and a second flow sensor 20 for measuring the flow rate of air are arranged on each air inlet pipe 4.
As shown in figure 1, the center of the multilayer film frame is provided with an installation channel 9 along the axial direction of the tank body 1, optimally, a plurality of aeration films are uniformly arranged around the installation channel 9, and the aeration films on the adjacent two layers of film frames are arranged in a staggered manner, so that the flowing and the dispersion of water bodies and bubbles between each layer of dissolved oxygen region in the tank body 1 are facilitated.
Cutting device among the dissolved oxygen concentration lifting unit is including locating the spiral rectifier 10 in installing passageway 9, and spiral rectifier 10 includes along the central pivot 11 of jar body 1 axial setting, sets up spiral stator 12 on central pivot 11 and sets up the inverted umbrella shape rotating blade 13 between two adjacent tundishes frame, and central pivot 11 is connected with the driving motor transmission of locating jar body 1 outside. The radius of rotation of spiral stator 12 is not more than the radius of installation passageway 9, and the distance between the internal wall of jar body 1 of inverted umbrella shape rotating blade 13 distance is not less than 50mm, the diameter of spiral stator 12 is not less than 100 mm.
In the above scheme, utilize spiral stator 12 and inverted umbrella shape rotating vane 13 can carry out further cutting dispersion to the bubble in jar body 1, reduce the granularity size of bubble, let the bubble dispersion in jar body 1 even, be favorable to oxygen to dissolve in the water. Simultaneously, utilize spiral stator 12 and the reverse umbrella shape rotating vane 13 can produce the driving force of a settlement direction to the water in the utility model discloses in, above-mentioned driving force is set for upwards power for the water can be in each layer dissolved oxygen region from aeration membrane to jar body 1 center pin short-time circulation flow, increases the detention time of rivers in this dissolved oxygen region, lets the bubble that aeration membrane produced circulate to spiral stator 12 department simultaneously and is cut.
In order to adjust the rotation speed of the central rotating shaft 11, the driving motor is in control connection with the intelligent controller, the rotation speed of the central rotating shaft 11 is accurately controlled through a frequency conversion control technology, and the stirring speed is controlled, in this embodiment, the rotation speed of the central rotating shaft 11 is set to be 5-20 r/min.
Based on the above setting, it is preferable that the can body 1 has a pagoda shape, the cross section of the can body 1 has a square shape, the height of each layer is 1 to 2m, and the number of layers is 2 to 4. The total height of the tank body 1 is configured to be 3-6m, a film frame is configured every 1-2m, and the distance between the film frames is configured to be 20-60 cm.
In order to accurately control the concentration of the dissolved oxygen in the water body in the tank body 1, a third flow regulating valve 21 and a third flow sensor 22 are arranged on the water outlet pipe 3. The dissolved oxygen concentration monitoring assembly comprises a dissolved oxygen concentration detector 8 arranged on the water outlet pipe 3, and the data output end of the dissolved oxygen concentration detector 8 is connected with the data input end of the intelligent controller. A plurality of pressure sensors 23 are distributed in the tank body 1 along the axial direction of the tank body 1.
The third flow regulating valve 21 and the third flow sensor 22 are in signal connection with the intelligent controller, and are used for regulating the water discharge speed of the tank body 1, and are matched with the second flow regulating valve 18 on the air inlet pipe 4 to stabilize the pressure in the tank body 1. The utility model discloses in, above-mentioned 1 inside reaction pressure configurations of jar body are 0.5bar ~2bar, preferably 0.8bar ~1.5 bar.
Based on the setting, the control assembly automatically or manually adjusts air inlet, water inlet and outlet flow, magnetic field intensity and stirring speed according to parameter data acquired by each sensor and according to design processing flow and dissolved oxygen concentration value. The intelligent controller preferably adopts a control module consisting of a singlechip, an FPGA or an ARM chip.
The utility model discloses in, in order to guarantee the safe operation of whole device, it is further, still be provided with the alarm assembly that transfinites on jar body 1, place level sensor 24 in jar body 1 in the alarm assembly that transfinites in including, pressure sensor 23, dispose the transfinite decision module in intelligent control ware, and audible-visual alarm device or the remote alarm device who is connected with intelligent control ware, transfinite decision module receives level sensor 24, pressure sensor 23's output signal, and do the comparison with its and setting value, according to comparison result output alarm signal to audible-visual alarm device or remote alarm device. When the liquid level in the tank body 1 is too low or the pressure is too high, an alarm signal can be output on site or remotely, so that maintenance personnel can conveniently maintain and manage the device. The remote alarm device can be configured as a GPRS remote information sending module and used for sending the alarm signal to the corresponding mobile terminal.
Based on the above molecular level dense phase rectification magnetic coupling oxygen dissolving device, as shown in fig. 2, the utility model also provides an ecological activity restoration system, which comprises the molecular level dense phase rectification magnetic coupling oxygen dissolving device; further comprising: a water intake device 26 and a water distribution pipe 29.
The water intake device 26 comprises a water intake pump 27 communicated with the water inlet pipe 2 and a filtering mechanism 28, wherein the water intake pump 27 pumps the water body in the river channel and pumps the water body to be dissolved with oxygen into the tank body 1 through the water inlet pipe 2. The filter mechanism 28 includes a plurality of layers of screens for filtering out impurities in the river water.
The water distribution pipe 29 comprises a plurality of water distribution pipes 29 arranged at the bottom of the river channel, and the plurality of water distribution pipes 29 are communicated with the water outlet pipe 3 and are provided with holes or grooves for water outlet. The water distribution pipes 29 are arranged at intervals of 200-2000 m in the flowing direction of the river channel according to the pollution degree and the treatment requirement of the river channel. The water distribution pipe 29 is arranged in the cross section direction of the river channel, and the pipe is obliquely downwards provided with holes or grooves at two sides of 45 degrees to discharge water, so that the active dissolved oxygen water is uniformly and slowly released at the bottom of the river channel.
The above water distribution pipe 29 distributes oxygen to the bottom of the river in a dissolved state through the distribution of dissolved oxygen water, conditions and improves the bottom mud and the microenvironment of the river, so that the whole system is changed from an anaerobic state to an aerobic state. Because the oxygen exists in a dissolved state, the oxygen can exist in water for a long time, the dissipation of large bubbles caused by conventional aeration is avoided, and 100 percent of dissolved oxygen is utilized.
And because the activation magnetism of the magnetized water exists for a long time, the magnetic field environment of a microenvironment can promote the growth and the propagation and the biodegradation activity of river microorganisms, stimulate the growth of aquatic plants and promote the progress of various reactions. In addition, the magnetic water can enhance the natural reoxygenation capability of river water, the improvement effect on the river channel is comprehensive and lasting, the phenomenon of black and odor of the river channel is avoided, and the activity of an ecological system in the river channel is improved.
It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. 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 (10)
1. The utility model provides a molecular level dense phase rectification magnetic coupling dissolved oxygen device, includes the reactor jar body (1) and with inlet tube (2), outlet pipe (3) that the jar body (1) is linked together, its characterized in that still includes:
the dissolved oxygen introducing assembly is configured to be used for introducing micro-nano bubbles with set sizes into the water body in the tank body (1) after the water body is magnetized;
the dissolved oxygen concentration lifting assembly comprises a cutting device arranged in the tank body (1) and is used for cutting micro-nano bubbles introduced into the tank body (1);
the dissolved oxygen concentration monitoring assembly is arranged at the water outlet pipe (3) and is used for monitoring the dissolved oxygen concentration of the water body in the water outlet pipe (3) and outputting a concentration monitoring signal;
and the control assembly comprises an intelligent controller, is configured to be in signal connection with the dissolved oxygen introducing assembly, the dissolved oxygen concentration lifting assembly and the dissolved oxygen concentration monitoring assembly, receives and responds to the concentration monitoring signal to output a control signal, and controls the dissolved oxygen introducing assembly and/or the dissolved oxygen concentration lifting assembly to act.
2. The molecular-level dense-phase rectifying magnetic coupling dissolved oxygen device according to claim 1, wherein the tank (1) is arranged in a cylindrical shape, and the water inlet pipe (2) and the water outlet pipe (3) are respectively arranged at two ends of the tank (1);
the dissolved oxygen introducing assembly comprises a water magnetizing device (14) communicated with the water inlet pipe (2), a plurality of air inlet pipes (4) which are axially distributed along the tank body (1) and communicated with an external air inlet source (5), and an ultrafiltration membrane dense-phase aeration device (6) which is axially arranged in the tank body (1) along the tank body (1) and is respectively communicated with the plurality of air inlet pipes (4).
3. The molecular-level dense-phase rectifying magnetic coupling dissolved oxygen device as claimed in claim 2, wherein the tank (1) is entirely in a pagoda shape or a cone shape, and the water inlet pipe (2) and the water outlet pipe (3) are respectively arranged at the top and bottom positions of the tank (1);
the ultrafiltration membrane dense-phase aeration device (6) comprises a plurality of layers of membrane frames which are axially arranged along the tank body (1) and a plurality of aeration membranes which are arranged at different positions on the membrane frames.
4. The molecular-level dense-phase rectifying magnetic-coupling dissolved oxygen device as claimed in claim 3, wherein the center of the multi-layer membrane frame is provided with a mounting channel (9) along the axial direction of the tank body (1);
the cutting device comprises a spiral rectifier (10) arranged in an installation channel (9), the spiral rectifier (10) comprises a central rotating shaft (11) axially arranged along the tank body (1), spiral guide vanes (12) arranged on the central rotating shaft (11), and inverted umbrella-shaped rotating blades (13) arranged between two adjacent membrane frames, and the central rotating shaft (11) is in transmission connection with a driving motor arranged outside the tank body (1);
the radius of rotation of spiral stator (12) is not more than the radius of installation passageway (9), the distance of umbelliform rotating vane (13) distance jar body (1) inner wall is not less than 50 mm.
5. The molecular-level dense-phase rectifying magnetic-coupling dissolved oxygen device as claimed in claim 4, wherein a plurality of aeration films are uniformly arranged around the installation channel (9), and the aeration films on the adjacent two film frames are arranged in a staggered manner.
6. The molecular-scale dense-phase rectifying magnetic coupling dissolved oxygen device according to claim 5, wherein the water magnetizing device (14) comprises a permanent magnet or an electromagnet arranged around the water inlet pipe (2), or a magnetizing pipeline made of the permanent magnet or the electromagnet and communicated with the water inlet pipe (2).
7. The molecular-level dense-phase rectifying magnetic coupling dissolved oxygen device according to claim 6, wherein the water inlet pipe (2) is provided with a first flow regulating valve (15) for controlling the flow rate of inlet water in the water inlet pipe (2), a magnetic induction sensor (16) and a first flow sensor (17);
each air inlet pipe (4) is provided with a second flow regulating valve (18) for regulating the flow rate of air flow in the air inlet pipe (4), an air pump (7), a check valve (19) and a second flow sensor (20);
a third flow regulating valve (21) and a third flow sensor (22) are arranged on the water outlet pipe (3);
a plurality of pressure sensors (23) are distributed in the tank body (1) along the axial direction of the tank body (1);
the intelligent controller is in signal connection or control connection with the driving motor, the first flow regulating valve (15), the magnetic induction sensor (16), the first flow sensor (17), the second flow regulating valve (18), the second flow sensor (20), the third flow regulating valve (21), the third flow sensor (22) and the plurality of pressure sensors (23), and is used for regulating and controlling the magnetization degree, the pressure and the dissolved oxygen concentration of the water in the tank body (1) according to a set algorithm.
8. The molecular level dense phase rectifying magnetic coupling dissolved oxygen device according to claim 7, wherein the tank body (1) is further provided with an overrun alarm assembly, the overrun alarm assembly comprises a liquid level sensor (24) and a pressure sensor (23) which are arranged in the tank body (1), an overrun determination module configured in the intelligent controller, and an overrun alarm device or a remote alarm device connected with the intelligent controller, the overrun determination module receives output signals of the liquid level sensor (24) and the pressure sensor (23), compares the output signals with a set value, and outputs an alarm signal to the overrun alarm device or the remote alarm device according to a comparison result.
9. The molecular-level dense-phase rectifying magnetic-coupling dissolved oxygen device according to claim 3, wherein the tank body (1) is in a pagoda shape, the cross section of the tank body (1) is in a square shape, the height of each layer is configured to be 1-2m, and the number of layers is configured to be 2-4;
the total height of the tank body (1) is configured to be 3-6m, a layer of film frame is configured every 1-2m, and the layer distance between the film frames is configured to be 20-60 cm.
10. An ecological activity restoration system, which comprises the molecular-level dense-phase rectifying magnetic coupling dissolved oxygen device as claimed in claim 8 or 9; further comprising:
the water taking device (26) comprises a water taking pump (27) and a filtering mechanism (28), wherein the water taking pump (27) is communicated with the water inlet pipe (2), and the water taking pump (27) is used for pumping water in a river channel and pumping the water into the tank body (1) through the water inlet pipe (2);
the water distribution pipe (29) comprises a plurality of water distribution pipes (29) arranged at the bottom of the river channel, and the plurality of water distribution pipes (29) are communicated with the water outlet pipe (3) and are provided with holes or grooves for water outlet.
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