CN217921541U - Device for treating blue algae water - Google Patents
Device for treating blue algae water Download PDFInfo
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- CN217921541U CN217921541U CN202123028754.2U CN202123028754U CN217921541U CN 217921541 U CN217921541 U CN 217921541U CN 202123028754 U CN202123028754 U CN 202123028754U CN 217921541 U CN217921541 U CN 217921541U
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Abstract
The utility model provides a device for processing blue algae water, which comprises a plasma generating device, a power supply device, an air supply device and a water cooling device. The power supply device, the gas supply device and the water cooling device respectively provide input voltage, working gas and water cooling for the plasma generating device. The plasma generating device comprises a cylindrical coaxial quartz tube, a high-voltage electrode, a grounding electrode, a polytetrafluoroethylene fixing ring and a bubble stone, wherein the cylindrical coaxial quartz tube is divided into an inner layer quartz tube and an outer layer quartz tube, the high-voltage electrode is placed in the inner layer quartz tube and is fixed on the axis of the cylindrical coaxial quartz tube by the polytetrafluoroethylene fixing ring, the upper end of the inner layer quartz tube is provided with an air inlet, the outer wall of the outer layer quartz tube is provided with a water inlet, a water outlet and a grounding electrode port, and the grounding electrode penetrates through and is fixed on the grounding electrode port. The utility model discloses move under normal atmospheric temperature and pressure, produce the particle that has strong oxidizing property through ionized oxygen, thoroughly degrade macromolecular organic matter in the blue alga aquatic, can not produce secondary pollution.
Description
Technical Field
The utility model belongs to blue alga is administered field and atmospheric pressure plasma technique and application, concretely relates to handle device of blue alga water.
Background
The seasonal outbreak of the cyanobacterial bloom not only can cause the problems of death of aquatic organisms in lakes and rivers, reduction of species diversity, degradation of the functions of the ecological system of the surrounding environment and the like, but also brings great hidden dangers to the treatment and safety of drinking water, and easily causes the problem of water quality type water shortage in the surrounding areas.
The cyanobacterial bloom prevention and control is an important content for treating water eutrophication, and common cyanobacterial bloom prevention and control technologies comprise physical, chemical, biological methods and the like. The physical methods comprise a mechanical fishing method, an air floatation method, an ultrasonic method and the like, and have the characteristics of simplicity, rapidness and no secondary pollution, but the cost is high, the time consumption is long, and the large-scale treatment effect is difficult to realize; the chemical method can directly kill the blue algae or inhibit the growth and the propagation of the blue algae by using a chemical agent to inhibit the activity of the algae cells, has the advantage of quickly removing large-scale blue algae in a short time, but easily remains the chemical agent in a water body, and can cause the problems of secondary pollution such as heavy metal water pollution, algae toxin release and the like; the biological method utilizes aquatic animals, aquatic plants and microorganisms to control the growth and the propagation of blue algae, has the advantages of low cost and high safety, but has overlong treatment time, is easily influenced by the water environment, and can cause the unpredictable consequences such as foreign species invasion and the like.
The atmospheric pressure plasma technology is a novel environment treatment technology integrating physics and electrochemistry, a plurality of physical and chemical effects exist in the discharge process, a plurality of particles (free radicals, ions and molecules) with strong oxidizing property can be generated, the effects such as high-temperature cracking and ultraviolet degradation are cooperated, the blue algae cells can be efficiently destroyed, and nucleic acid and algae protein in the blue algae cells and organic macromolecules such as algae toxins which are easy to cause pollution are effectively degraded. The atmospheric pressure plasma technology has the advantages of both physical method and chemical method, and is simple and efficient.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a device for treating blue algae water for controlling blue algae water bloom by a novel environment treatment method atmospheric pressure plasma technology.
The utility model discloses technical scheme as follows:
a device for treating blue algae water comprises a plasma generating device, a power supply device, an air supply device and a water cooling device. The plasma generating device is used for generating plasma and is respectively connected with the power supply device, the gas supply device and the water cooling device through a lead, a gas pipe and a hose. The plasma power supply device consists of a plasma power supply, a voltage regulator and leads, wherein the leads at two ends of the power supply are respectively connected with a high-voltage electrode and a grounding electrode of the plasma generating device to provide input voltage for the plasma generating device; the gas supply device consists of a gas tank (or a gas generator), a gas pressure valve, a gas pipe and a gas mass flowmeter and provides working gas for the plasma generation device; the water cooling device is composed of a water pump and a hose, and two ends of the hose are respectively connected with the water pump and a water inlet and a water outlet of the plasma generating device.
The plasma generating device comprises a cylindrical coaxial quartz tube (or a ceramic tube, wherein the quartz tube can be replaced by the ceramic tube), a high-voltage electrode, a grounding electrode, a polytetrafluoroethylene fixing ring and a bubbled stone.
The cylindrical coaxial quartz tube is a double-layer coaxial quartz tube and is divided into an outer-layer quartz tube and an inner-layer quartz tube. And the wall of the outer quartz tube is respectively provided with a grounding electrode port, a water inlet and a water outlet. The port of the grounding electrode is used for placing the grounding electrode of the plasma generating device and is positioned near the upper end of the outer quartz tube, the water inlet and the water outlet are respectively positioned near the lower end and the upper end of the outer quartz tube and are used for being connected with a hose of a water cooling device, and the water outlet and the port of the grounding electrode are positioned at the same height. The upper end of the outer wall of the inner-layer quartz tube is provided with an air inlet used for being connected with an air pipe of an air supply device, and the inner space of the inner-layer quartz tube is used for placing a high-voltage electrode.
The high-voltage electrode is composed of an upper semi-cylindrical thin copper rod and a lower semi-cylindrical thick copper rod, the upper semi-cylindrical thin copper rod is connected with a high-voltage end lead of a plasma power supply, and a discharge space is formed by a gap between the lower semi-cylindrical thick copper rod and the inner wall of the inner quartz tube.
The grounding electrode is a copper wire and is used for being connected with a grounding end lead of the plasma power supply, the copper wire is fixed at the port of the grounding electrode, and the copper wire and cooling water injected into a gap between the inner quartz tube and the outer quartz tube form the grounding electrode of the plasma generating device.
The diameter of the outer ring of the polytetrafluoroethylene fixing ring is the same as that of the inner wall of the inner-layer quartz tube, the diameter of the inner ring of the polytetrafluoroethylene fixing ring is the same as that of the upper half cylindrical thin copper rod of the high-voltage electrode, the polytetrafluoroethylene fixing ring is used for fixing the axle center of the high-voltage electrode to be consistent with that of the inner-layer quartz tube, and a gap is formed between the outer ring and the inner ring for allowing working gas to pass through.
The bubbled stone is arranged below the cylindrical coaxial quartz tube, and can fully diffuse the plasma generated by the plasma generating device in the surrounding space.
The plasma power supply can use the voltage regulator to regulate the input voltage.
The gas tank or the gas generator is connected with the gas inlet through a gas pipe, and the working gas is oxygen. And a gas mass flowmeter is arranged on a gas pipe for communicating the gas inlet with the gas tank, so that the gas flow can be adjusted.
The water cooling device provides circulating water for the plasma generating device, and the circulating water is used as a grounding electrode of the device and water cooling.
The utility model has the advantages as follows:
the device has obvious treatment effect, and in the treatment process, a large amount of particles with strong oxidizing property are generated by ionizing oxygen, so that the macromolecular organic matters in the blue algae water and the blue algae cells are thoroughly degraded, and combustible gas containing C, H and O is generated; after the treatment is finished, the treated water body still keeps a clear state after standing for several days to dozens of days, and the COD and the ammonia nitrogen content in the water body are detected to be reduced, which is beneficial to improving the water quality. The device has set up water cooling plant for generating device is last, takes away the partial heat that discharges and produce through the circulating water, helps the long-time operation of device. The device is safe to operate, simple to operate, capable of operating at normal temperature and normal pressure, greatly reduces operation difficulty and production cost of plasma generation, and is beneficial to realization of large-scale algae removal application. The utility model discloses compromise the advantage of physical method and chemical method in the current blue alga water bloom prevention and cure technique, make full use of the nature of various materials in the atmospheric pressure plasma, had the efficient and removed the algae effect, belong to the algae removal method of environment-friendly type.
Drawings
Fig. 1 is a structural view of a plasma generator.
FIG. 2 is a schematic view of the device for treating cyanobacterial water of the present invention.
In the figure, the serial numbers are 1-outer layer quartz tube, 2-inner layer quartz tube, 3-air inlet, 4-water outlet, 5-water inlet, 6-cylindrical thin copper rod, 7-cylindrical thick copper rod, 8-polytetrafluoroethylene fixing ring, 9-grounding electrode port, 10-grounding electrode, 11-air bubble stone, 12-container, 13-air tank, 14-gas mass flowmeter, 15-plasma power supply, 16-pressure regulator and 17-water pump.
Detailed Description
The invention is further described with reference to the accompanying drawings and examples.
Referring to fig. 1 and fig. 2, the device for treating blue algae water comprises a plasma generating device, a power supply device, a gas supply device and a water cooling device. The plasma generating device is used for generating plasma and is respectively connected with the power supply device, the gas supply device and the water cooling device through a lead, a gas pipe and a hose. The plasma power supply device consists of a plasma power supply 15, a voltage regulator 16 and wires, wherein the wires at two ends of the power supply are respectively connected with a high-voltage electrode and a grounding electrode of the plasma generating device to provide input voltage for the plasma generating device; the gas supply device consists of a gas tank 13 (or a gas generator), a gas pressure valve, a gas pipe and a gas mass flowmeter 14 and provides working gas for the plasma generation device; the water cooling device is composed of a water pump 17 and a hose, and two ends of the hose are respectively connected with the water pump and a water inlet and a water outlet of the plasma generating device.
The plasma generating device comprises a cylindrical coaxial quartz tube (or a ceramic tube), a high-voltage electrode, a grounding electrode 10, a polytetrafluoroethylene fixing ring 8 and a bubbled stone 11.
The cylindrical coaxial quartz tube is a double-layer coaxial quartz tube and is divided into an outer-layer quartz tube 1 and an inner-layer quartz tube 2. The wall of the outer layer quartz tube 1 is respectively provided with a grounding electrode port 9, a water inlet 5 and a water outlet 4. The grounding electrode port 9 is used for placing a grounding electrode 10 of the plasma generating device and is positioned near the upper end of the outer quartz tube 1, the water inlet 5 and the water outlet 4 are respectively positioned near the lower end and the upper end of the outer quartz tube 1 and are used for being connected with a hose of a water cooling device, and the water outlet 4 and the grounding electrode port 9 are positioned at the same height. The upper end of the outer wall of the inner quartz tube 2 is provided with an air inlet 3 for connecting an air pipe of an air supply device, and the inner space of the inner quartz tube 2 is used for placing a high-voltage electrode.
The high-voltage electrode is composed of an upper semi-cylindrical thin copper rod 6 and a lower semi-cylindrical thick copper rod 7, the upper semi-cylindrical thin copper rod 6 is connected with a high-voltage end lead of a plasma power supply 15, and a discharge space is formed by a gap between the lower semi-cylindrical thick copper rod 7 and the inner wall of the inner quartz tube 2.
The grounding electrode 9 is a copper wire and is used for being connected with a grounding end lead of a plasma power supply 15, the copper wire is fixed at the port 9 of the grounding electrode, and the copper wire and cooling water injected into the gap between the inner quartz tube and the outer quartz tube form the grounding electrode of the plasma generating device.
The diameter of the outer ring of the polytetrafluoroethylene fixing ring 8 is the same as that of the inner wall of the inner-layer quartz tube 2, the diameter of the inner ring is the same as that of the upper half cylindrical thin copper rod 6 of the high-voltage electrode, the diameter of the inner ring is used for fixing the axle center of the high-voltage electrode is consistent with that of the inner-layer quartz tube 2, and a gap is formed between the outer ring and the inner ring for the working gas to pass through.
The air bubble stone 11 is arranged below the cylindrical coaxial quartz tube, and can fully diffuse the plasma generated by the plasma generating device into the surrounding space.
The plasma power supply 15 can adjust the input voltage by the voltage regulator 16.
The gas tank 13 is connected with the gas inlet 3 by a gas pipe, and the working gas is oxygen. A gas mass flowmeter 14 is arranged on a gas pipe for communicating the gas inlet 3 with the gas tank 13, so that the gas flow can be adjusted.
The water cooling device provides circulating water for the plasma generating device, and the circulating water is used as a grounding electrode of the device and water cooling.
The process of adopting the device to treat the blue algae water is as follows: pouring blue algae water to be treated into a container 12, before treatment, placing the container 12 filled with the blue algae water below a plasma generating device, completely immersing bubble stones 11 in the blue algae water, starting a water pump 17, injecting cooling water into a coaxial quartz tube through a hose through a water inlet 5, filling gaps in the coaxial quartz tube with the cooling water, returning the cooling water to the water pump 17 through a water outlet 4 and the hose to form circulating water, introducing oxygen through an air inlet 3, adjusting an adjustable rotor flow meter and a gas mass flow meter 14 until bubbles in the blue algae water stably emerge, introducing a high-voltage power supply to a high-voltage electrode thin copper rod 6, connecting a grounding electrode 10 with a power supply cathode, adjusting voltage and current to required values, generating uniform plasma discharge between the inner wall of an inner-layer quartz tube 2 and the high-voltage electrode thick copper rod 7, taking the plasma with strong oxidizing property out of the plasma generating device through partial oxygen, uniformly diffusing in the blue algae water through the bubble stones 11, and fully reacting with macromolecular organic matters in the blue algae water. After a certain period of treatment, the required treatment effect is achieved, samples are taken from the container 12, the treated cyanobacteria cells can be observed by using a microscope, and the treated water quality is detected.
In the process of generating atmospheric pressure plasma, the introduced oxygen is largely ionized to generate a large amount of high-energy electrons and particle oxygen free radicals,. OH and HO with strong oxidizing property 2 And O 3 And reacting with macromolecular organic matters in the blue algae water to perform advanced treatment on the blue algae water.
The device has obvious treatment effect, and generates a large amount of particles with strong oxidizing property by ionizing oxygen in the treatment process, thoroughly degrades macromolecular organic matters in blue algae water and blue algae cells, and generates combustible gas containing C, H and O; after the treatment is finished, the treated water body still keeps a clear state after standing for several days to dozens of days, and the COD and the ammonia nitrogen content in the water body are detected to be reduced, thereby being beneficial to improving the water quality. The device has set up water cooling plant on generating device, takes away the partial heat that discharges and produce through the circulating water, helps the long-time operation of device. The device is safe to operate, simple to operate, capable of operating at normal temperature and normal pressure, capable of greatly reducing the operation difficulty and production cost of plasma generation, and beneficial to realization of large-scale algae removal application. The utility model discloses compromise the advantage of physical method and chemical process among the current blue alga water bloom prevention and cure technique, make full use of the nature of various materials in the atmospheric pressure plasma, had the efficient and removed the algae effect, belong to the algae removal method of environment-friendly type.
Claims (3)
1. A device for treating blue algae water is characterized in that: comprises a plasma generating device, a power supply device, a gas supply device and a water cooling device; the plasma generating device comprises a cylindrical coaxial quartz tube, a high-voltage electrode, a grounding electrode, a polytetrafluoroethylene fixing ring and a bubbled stone, wherein the cylindrical coaxial quartz tube consists of an outer-layer quartz tube and an inner-layer quartz tube, and a grounding electrode port, a water outlet and a water inlet are arranged on the outer side of the outer-layer quartz tube; the upper end of the outer wall of the inner-layer quartz tube is provided with an air inlet; the high-voltage electrode is formed by connecting a cylindrical thin copper rod and a cylindrical thick copper rod and is placed in the inner space of the inner-layer quartz tube; the grounding electrode is a copper wire and is placed in the grounding electrode port; the diameter of the outer ring of the polytetrafluoroethylene fixing ring is the same as that of the inner wall of the inner quartz tube, and the diameter of the inner ring of the polytetrafluoroethylene fixing ring is the same as that of the cylindrical thin copper rod; the bubbled stone is arranged below the cylindrical coaxial quartz tube; the power supply device consists of a plasma power supply, a voltage regulator and a lead; the gas supply device consists of a gas tank, a gas pressure valve, a gas pipe and a gas mass flowmeter; the water cooling device is composed of a water pump and a hose.
2. The device for treating cyanobacteria water according to claim 1, characterized in that: the port of the grounding electrode is positioned near the upper end of the outer layer quartz tube, and the water inlet and the water outlet are respectively positioned near the lower end and the upper end of the outer layer quartz tube.
3. The device for treating cyanobacteria water according to claim 1, characterized in that: the gas tank is used for connecting the gas pipe with the gas inlet, and a gas mass flowmeter is arranged on the gas pipe between the gas inlet and the gas tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202123028754.2U CN217921541U (en) | 2021-12-06 | 2021-12-06 | Device for treating blue algae water |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123028754.2U CN217921541U (en) | 2021-12-06 | 2021-12-06 | Device for treating blue algae water |
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| CN217921541U true CN217921541U (en) | 2022-11-29 |
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| CN202123028754.2U Active CN217921541U (en) | 2021-12-06 | 2021-12-06 | Device for treating blue algae water |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969552A (en) * | 2023-09-21 | 2023-10-31 | 贵州勘设生态环境科技有限公司 | Integrated sewage treatment control and regulation system and device thereof |
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2021
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116969552A (en) * | 2023-09-21 | 2023-10-31 | 贵州勘设生态环境科技有限公司 | Integrated sewage treatment control and regulation system and device thereof |
| CN116969552B (en) * | 2023-09-21 | 2023-12-08 | 贵州勘设生态环境科技有限公司 | Integrated sewage treatment control and regulation system and device thereof |
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