CN110510706B - Medical wastewater treatment method - Google Patents
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- CN110510706B CN110510706B CN201910965898.9A CN201910965898A CN110510706B CN 110510706 B CN110510706 B CN 110510706B CN 201910965898 A CN201910965898 A CN 201910965898A CN 110510706 B CN110510706 B CN 110510706B
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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
- C02F1/46—Treatment of water, waste water, or sewage by electrochemical methods
- C02F1/4608—Treatment of water, waste water, or sewage by electrochemical methods using electrical discharges
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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
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/003—Wastewater from hospitals, laboratories and the like, heavily contaminated by pathogenic microorganisms
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/46—Apparatus for electrochemical processes
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/38—Gas flow rate
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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
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/40—Liquid flow rate
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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
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
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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
- C02F2303/00—Specific treatment goals
- C02F2303/14—Maintenance of water treatment installations
Abstract
The invention discloses a medical wastewater treatment method, which comprises the following steps: s1, arranging a plurality of layers of non-equilibrium plasma jet exciters on a jet purifier body; s2, supplying power to each high-voltage electrode by using a plasma power supply; s3, the valve opening electronic controller controls the gas flow control valve a and the gas flow control valve b to be opened; s4, the valve opening electronic controller controls the liquid flow control valve to be opened, and liquid to be processed in the liquid storage pool enters an action space of the array type non-equilibrium plasma jet; s5, under the action of the non-equilibrium plasma jet, target purifying substances contained in the liquid drop particles in the atomizing field are killed; s6, collecting the liquid spray purified by the array plasma jet in a water treatment tank; s7, opening a detection port control valve, and pumping out the purified liquid by a detection port reflux pump and sending the liquid into a detection unit; the non-equilibrium plasma technology has the characteristics of high killing efficiency, low pathogen regeneration rate, low use cost and the like, and is a brand-new high-efficiency clean water purification technology.
Description
Technical Field
The invention relates to a medical wastewater treatment method.
Background
At present, the source and components of the sewage in the hospital are complex and the hazard is large, and the source is mainly the sewage discharged by diagnosis and treatment rooms, laboratory laboratories, sickrooms, laundry rooms, X-ray photography rooms, operating rooms and the like in the hospital. The sewage contains a large amount of pathogenic bacteria, viruses and medicaments and has the characteristics of space pollution, acute infection and latent infection. If hospital sewage containing pathogenic microorganisms is discharged into urban sewer pipelines or environmental water bodies without being disinfected, the water bodies are often polluted, various diseases and infectious diseases are caused, and the health of people is seriously harmed. When the non-equilibrium plasma technology is adopted to treat the medical wastewater, the liquid flow is too small due to the undersize of the ionization space (namely the aperture of the liquid flow channel), so that the purification rate is too slow; moreover, as the substances to be treated are all liquid phases, non-equilibrium plasma discharge failure is easily caused, and the purification failure is caused; moreover, in the existing plasma water purification technology, the sewage flows through the plasma electrode space and tends to contact with the electrode, which causes corrosion and failure of the electrode.
Disclosure of Invention
Aiming at the problems of too slow purification rate, failure, electrode corrosion, failure and the like of non-equilibrium plasma in the prior art, the application provides a medical wastewater treatment method.
In order to achieve the purpose, the technical scheme of the application is as follows: a medical wastewater treatment method specifically comprises the following steps:
s1, arranging a plurality of layers of non-equilibrium plasma jet exciters on a jet purifier body, wherein the non-equilibrium plasma jet exciters arranged on each layer are distributed circumferentially; the non-equilibrium plasma jet exciter comprises a high-voltage electrode, a grounding electrode and an exciter body, wherein the high-voltage electrode is positioned in the exciter body, and the grounding electrode is connected with the outer wall of the exciter body;
s2, supplying power to each high-voltage electrode by using a plasma power supply, and forming an electric field in a space between the corresponding high-voltage electrode and the grounding electrode for discharging;
s3, the valve opening electronic controller controls the gas flow control valve a and the gas flow control valve b to be opened, high-pressure gas in the high-pressure gas cylinder respectively enters corresponding electric field spaces through the gas flow control valve a and the gas flow control valve b, after the electric field voltage reaches breakdown voltage, the gas in the ionization space is ionized into non-equilibrium plasma with certain reaction activity, and the non-equilibrium plasma is ejected in a jet form to form array plasma jet;
s4, the valve opening electronic controller controls the liquid flow control valve to be opened, liquid to be processed in the liquid storage pool passes through the liquid flow control valve, the filter and the liquid flowmeter to be purified and then is ejected out in a particle spraying form under the action of the liquid atomizer and enters an action space of the array type non-equilibrium plasma jet;
s5, under the action of the non-equilibrium plasma jet, virus, bacteria and microorganism target purifying substances contained in the liquid drop particles in the atomizing field are killed;
s6, collecting the liquid spray purified by the array plasma jet in a water treatment box;
s7, opening a detection port control valve, and pumping out a small part of purified liquid by a detection port reflux pump and sending the liquid into a detection unit;
s8, analyzing and detecting the types and the contents of the soluble organic matters in the water by a detection unit through a fluorescence spectrophotometer, and observing the change of the soluble organic matters in the water through a three-dimensional excitation emission spectrum; if the purification effect reaches the standard, the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b are kept unchanged; if the purification effect does not reach the standard, changing the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b, and purifying again until the purification effect reaches the standard;
and S9, when the purified liquid in the water treatment tank reaches a certain amount, opening the drain valve, and discharging the purified liquid to finish the purification process.
Further, changing the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b specifically comprises: the original power supply voltage is increased from V to V plus delta V; for example, Δ V — 1000V; detecting again, if the content of the target purifying substances reaches the standard, keeping the power supply voltage V + delta V to work, if the content of the target purifying substances does not reach the standard, increasing the power supply voltage to V +2 delta V to work, and so on; and increasing the opening degrees of the original gas flow control valve a and the original gas flow control valve b from t to t + Deltat, detecting again, keeping the opening degree of the gas flow control valve t + Deltat to work if the content of the target purifying object reaches the standard, increasing the opening degree of the gas flow control valve to t +2 Deltat to work if the content of the target purifying object does not reach the standard, and so on.
The above method is carried out in a medical wastewater treatment apparatus comprising: the device comprises a liquid processor, an array type non-equilibrium plasma jet purifier, a liquid flowmeter to be purified, a filter, a liquid flow control valve, a gas flow control valve a, a gas flow control valve b, a liquid storage tank, a high-pressure gas cylinder, a valve opening electronic controller, a plasma power supply, a detection port control valve, a detection port reflux pump, a detection unit and a water treatment box; the array type non-equilibrium plasma jet purifier comprises a jet purifier body, wherein a plurality of layers of non-equilibrium plasma jet exciters are arranged on the jet purifier body, and a plurality of non-equilibrium plasma jet exciters arranged on each layer are distributed in a circumferential manner; the liquid processor is connected with the liquid storage pool sequentially through a flow meter of liquid to be purified, a filter and a liquid flow control valve, the liquid flow control valve is further connected to one end of a valve opening electronic controller, the other end of the valve opening electronic controller is connected with a gas flow control valve a and a gas flow control valve b respectively, the high-pressure gas cylinder is connected to a gas inlet of the non-equilibrium plasma jet exciter on one side through the gas flow control valve a, and the high-pressure gas cylinder is connected to a gas inlet of the non-equilibrium plasma jet exciter on the other side through the gas flow control valve b; the liquid processor is arranged on the top of the jet flow purifier body, the jet flow purifier body is positioned on the water treatment tank, the water treatment tank is of a top opening structure, the lower part of one side of the water treatment tank is provided with a detection port, and the bottom of the water treatment tank is provided with a discharge port; the detection port is connected with a detection pipeline, a detection port control valve, a detection port reflux pump and a detection unit are sequentially arranged on the detection pipeline, and the detection unit and the plurality of non-equilibrium plasma jet exciters are connected with a plasma power supply.
Furthermore, the hollow area of the non-equilibrium plasma jet exciter distributed in the circumference is a purification area, and the liquid processor is positioned at the top of the purification area.
Furthermore, the non-equilibrium plasma jet exciter comprises a high-voltage electrode, a grounding electrode and an exciter body, wherein the high-voltage electrode is positioned in the exciter body, and the grounding electrode is connected with the outer wall of the exciter body.
Further, the liquid processor comprises a liquid atomizer and a liquid processing cavity, the liquid atomizer is arranged in the liquid processing cavity and comprises an atomizer body and atomizing spray holes, the atomizer body is of a hollow cylinder structure, the bottom of the hollow cylinder structure is connected with the atomizing spray holes, and the atomizing spray holes are of a round straight hole structure or a cross seam structure; the liquid treatment cavity is of a hollow structure.
Furthermore, a drain valve is arranged at a drain outlet at the bottom of the water treatment tank.
Furthermore, the high-voltage electrode is cylindrical or strip-shaped, and is made of tungsten, copper or stainless steel.
Furthermore, the exciter body is made of polytetrafluoroethylene, glass and ceramic insulating materials.
Furthermore, the liquid storage tank is a water tank structure for storing the liquid to be purified.
Further, the drain valve is used for discharging the treated liquid.
Due to the adoption of the technical scheme, the invention can obtain the following technical effects: the non-equilibrium plasma technology has the characteristics of high killing efficiency, low pathogen regeneration rate, low use cost and the like, and is a brand-new high-efficiency clean water purification technology. The reaction system can be kept at low temperature, energy and equipment investment are saved, and meanwhile, electrons have high enough energy to excite, ionize and dissociate reactant molecules, so that bacteria, pollutants, algae and the like are degraded. Has great application potential in the field of medical wastewater purification.
The non-equilibrium plasma jet exciter on the first layer can ensure that the spray is completely covered by the plasma jet, and then the multi-layer exciter is arranged to form an array structure, so that repeated treatment can be carried out for multiple times, and the purification is more complete; the longitudinally integrated electrode is more convenient to install than a single electrode. The technical scheme of adopting the liquid atomization technology and the non-equilibrium plasma jet technology can not only greatly improve the purification efficiency, but also greatly improve the purification flow. And a detection mechanism is additionally arranged, so that the purification effect is further improved.
Drawings
FIG. 1 is a schematic view of a medical wastewater treatment apparatus;
FIG. 2 is a schematic view of the structure of the atomizer body;
FIG. 3 is a schematic diagram of a non-equilibrium plasma jet actuator configuration;
the sequence numbers in the figures illustrate: the device comprises a liquid processor 1, an array type non-equilibrium plasma jet purifier 2, a liquid flowmeter to be purified 3, a filter 4, a liquid flow control valve 5, a gas flow control valve 61 a, a gas flow control valve 62 b, a liquid storage tank 7, a high-pressure gas cylinder 8, a valve opening electronic controller 9, a plasma power supply 10, a detection port control valve 11, a detection port reflux pump 12, a detection unit 13, a discharge valve 14, a jet purifier body 21, a water treatment box 22, a high-voltage electrode 211, a grounding electrode 212, an exciter body 213, a detection port 221, a discharge port 222, a nebulizer body 111 and an atomization spray hole 112.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely in the following description with reference to the accompanying drawings, and it is to be understood that the described examples are only a part of the examples of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment provides a medical wastewater treatment method, which specifically comprises the following steps:
s1, arranging a plurality of layers of non-equilibrium plasma jet exciters on a jet purifier body, wherein the plurality of non-equilibrium plasma jet exciters arranged on each layer are distributed circumferentially; the non-equilibrium plasma jet exciter comprises a high-voltage electrode, a grounding electrode and an exciter body, wherein the high-voltage electrode is positioned in the exciter body, and the grounding electrode is connected with the outer wall of the exciter body;
s2, supplying power to each high-voltage electrode by using a plasma power supply, and forming an electric field in a space between the corresponding high-voltage electrode and the grounding electrode for discharging;
s3, the valve opening electronic controller controls the gas flow control valve a and the gas flow control valve b to be opened, high-pressure gas in the high-pressure gas cylinder respectively enters corresponding electric field spaces through the gas flow control valve a and the gas flow control valve b, after the electric field voltage reaches breakdown voltage, the gas in the ionization space is ionized into non-equilibrium plasma with certain reaction activity, and the non-equilibrium plasma is ejected in a jet form to form array plasma jet;
s4, the valve opening electronic controller controls the liquid flow control valve to be opened, liquid to be processed in the liquid storage pool passes through the liquid flow control valve, the filter and the liquid flowmeter to be purified and then is ejected out in a particle spray form under the action of the liquid atomizer and enters an action space of the array type non-equilibrium plasma jet;
s5, under the action of the non-equilibrium plasma jet, virus, bacteria and microorganism target purifying substances contained in the liquid drop particles in the atomizing field are killed;
s6, collecting the liquid spray purified by the array plasma jet in a water treatment box;
s7, opening a detection port control valve, and pumping out a small part of purified liquid by a detection port reflux pump and sending the liquid into a detection unit;
s8, analyzing and detecting the types and the contents of the soluble organic matters in the water by a detection unit through a fluorescence spectrophotometer, and observing the change of the soluble organic matters in the water through a three-dimensional excitation emission spectrum; if the purification effect reaches the standard, the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b are kept unchanged; if the purification effect does not reach the standard, changing the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b, and purifying again until the purification effect reaches the standard;
and S9, when the purified liquid in the water treatment tank reaches a certain amount, opening the drain valve, and discharging the purified liquid to finish the purification process.
The specific change of the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b is as follows: the original power supply voltage is increased from V to V + [ delta ] V; for example, Δ V — 1000V; detecting again, if the content of the target purifying substances reaches the standard, keeping the power supply voltage V + delta V to work, if the content of the target purifying substances does not reach the standard, increasing the power supply voltage to V +2 delta V to work, and so on; and increasing the opening degrees of the original gas flow control valve a and the original gas flow control valve b from t to t + Deltat, detecting again, keeping the opening degree of the gas flow control valve t + Deltat to work if the content of the target purifying object reaches the standard, increasing the opening degree of the gas flow control valve to t +2 Deltat to work if the content of the target purifying object does not reach the standard, and so on.
Example 2
The present embodiment provides a medical wastewater treatment apparatus, including: the device comprises a liquid processor, an array type non-equilibrium plasma jet purifier, a liquid flowmeter to be purified, a filter, a liquid flow control valve, a gas flow control valve a, a gas flow control valve b, a liquid storage tank, a high-pressure gas cylinder, a valve opening electronic controller, a plasma power supply, a detection port control valve, a detection port reflux pump, a detection unit and a water treatment box; the array type non-equilibrium plasma jet flow purifier comprises a jet flow purifier body, wherein a plurality of layers of non-equilibrium plasma jet flow exciters are arranged on the jet flow purifier body, and a plurality of non-equilibrium plasma jet flow exciters arranged on each layer are distributed in a circumferential manner; the liquid processor is connected with the liquid storage pool sequentially through a flow meter of liquid to be purified, a filter and a liquid flow control valve, the liquid flow control valve is further connected to one end of a valve opening electronic controller, the other end of the valve opening electronic controller is connected with a gas flow control valve a and a gas flow control valve b respectively, the high-pressure gas cylinder is connected to a gas inlet of the non-equilibrium plasma jet exciter on one side through the gas flow control valve a, and the high-pressure gas cylinder is connected to a gas inlet of the non-equilibrium plasma jet exciter on the other side through the gas flow control valve b; the liquid processor is arranged on the top of the jet flow purifier body, the jet flow purifier body is positioned on the water treatment tank, the water treatment tank is of a top opening structure, the lower part of one side of the water treatment tank is provided with a detection port, and the bottom of the water treatment tank is provided with a discharge port; the detection port is connected with a detection pipeline, a detection port control valve, a detection port reflux pump and a detection unit are sequentially arranged on the detection pipeline, and the detection unit and the plurality of non-equilibrium plasma jet exciters are all connected with a plasma power supply. The hollow area of the non-equilibrium plasma jet exciter distributed in the circumference is a purification area, and the liquid processor is positioned at the top of the purification area.
The liquid atomizer comprises an atomizer body 111 and atomizing spray holes 112, wherein the atomizer body 111 is of a hollow cylinder structure, and the atomizing spray holes 112 can be of different structures such as a round straight hole structure, a crossed round straight hole structure and a crossed seam structure.
The non-equilibrium plasma jet exciter comprises a high-voltage electrode, a grounding electrode and an exciter body, wherein the high-voltage electrode is positioned in the exciter body, and the grounding electrode is connected with the outer wall of the exciter body. The high-voltage electrode can be made of different materials such as tungsten, copper, stainless steel and the like, the grounding electrode is made of non-insulating materials, and the exciter body is made of insulating materials such as polytetrafluoroethylene, glass, ceramics and the like.
The liquid flowmeter 3 to be purified is used to control the flow rate of the liquid to be measured.
The filter 4 is used for filtering impurities in the liquid 4 to be measured.
The liquid flow control valve 5, the gas flow control valve a61 and the gas flow control valve b62 are respectively used for controlling the flow of the liquid to be purified and the high-pressure gas.
The liquid reservoir 7 is a water tank structure for storing liquid to be purified.
The high-pressure gas cylinder 8 is used for storing high-pressure gas.
The valve opening electronic controller 9 is used for controlling the opening of the liquid flow control valve 5 and the gas flow control valves a and b.
The plasma power supply 10 is used for supplying power to the detection unit and the high-voltage electrode, and can be a power supply structure such as a direct-current power supply, an alternating-current power supply, a radio-frequency power supply and the like.
The detection port control valve 11 controls the opening and closing of the detection port 241.
The detection port return pump 12 is used to pump out a small portion of the purified liquid in the water treatment tank when the detection port control valve 11 is opened.
The detection unit 13 is used for detecting the extracted water sample.
The drain valve 14 is used to drain the treated liquid from the water treatment tank.
Liquid atomization technology can convert a continuous liquid phase into a mixture of discrete droplet particles and air; moreover, the spray hole structure adopting the cross holes and the cross slits can further reduce the size of the liquid drop particles and increase the distribution range of the liquid drop particles. Meanwhile, non-equilibrium plasma can be injected into the liquid drop particle atomization field by adopting the non-equilibrium plasma jet technology. Thus, each droplet particle is surrounded by the non-equilibrium plasma jet, and the purification efficiency is greatly improved. As the length of the non-equilibrium plasma jet can reach 10cm, a large-size atomizing space can be adopted, and the liquid flow is greatly increased.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, it should be noted that, for those skilled in the art, many modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (2)
1. A medical wastewater treatment method is characterized by comprising the following steps:
s1, arranging a plurality of layers of non-equilibrium plasma jet exciters on a jet purifier body, wherein the non-equilibrium plasma jet exciters arranged on each layer are distributed circumferentially; the non-equilibrium plasma jet exciter comprises a high-voltage electrode, a grounding electrode and an exciter body, wherein the high-voltage electrode is positioned in the exciter body, and the grounding electrode is connected with the outer wall of the exciter body;
s2, supplying power to each high-voltage electrode by using a plasma power supply, and forming an electric field in a space between the corresponding high-voltage electrode and the grounding electrode for discharging;
s3, the valve opening electronic controller controls the gas flow control valve a and the gas flow control valve b to be opened, high-pressure gas in the high-pressure gas cylinder respectively enters corresponding electric field spaces through the gas flow control valve a and the gas flow control valve b, after the electric field voltage reaches breakdown voltage, the gas in the ionization space is ionized into non-equilibrium plasma with certain reaction activity, and the non-equilibrium plasma is ejected in a jet form to form array plasma jet;
s4, the valve opening electronic controller controls the liquid flow control valve to be opened, liquid to be processed in the liquid storage pool passes through the liquid flow control valve, the filter and the liquid flowmeter to be purified and then is ejected out in a particle spray form under the action of the liquid atomizer and enters an action space of the array type non-equilibrium plasma jet;
s5, under the action of the non-equilibrium plasma jet, virus, bacteria and microorganism target purifying substances contained in the liquid drop particles in the atomizing field are killed;
s6, collecting the liquid spray purified by the array plasma jet in a water treatment tank;
s7, opening a detection port control valve, and pumping out the purified liquid by a detection port reflux pump and sending the liquid into a detection unit;
s8, analyzing and detecting the types and the contents of the soluble organic matters in the water by a detection unit through a fluorescence spectrophotometer, and observing the change of the soluble organic matters in the water through a three-dimensional excitation emission spectrum; if the purification effect reaches the standard, the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b are kept unchanged; if the purification effect does not reach the standard, changing the working parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b, and purifying again until the purification effect reaches the standard;
s9, when the purified liquid in the water treatment tank reaches a certain amount, opening a drain valve, and discharging the purified liquid to finish the purification process;
the above method is carried out in a medical wastewater treatment apparatus comprising: the device comprises a liquid processor, an array type non-equilibrium plasma jet purifier, a liquid flowmeter to be purified, a filter, a liquid flow control valve, a gas flow control valve a, a gas flow control valve b, a liquid storage tank, a high-pressure gas cylinder, a valve opening electronic controller, a plasma power supply, a detection port control valve, a detection port reflux pump, a detection unit and a water treatment box; the array type non-equilibrium plasma jet flow purifier comprises a jet flow purifier body, wherein a plurality of layers of non-equilibrium plasma jet flow exciters are arranged on the jet flow purifier body, and a plurality of non-equilibrium plasma jet flow exciters arranged on each layer are distributed in a circumferential manner; the liquid processor is connected with the liquid storage pool sequentially through a liquid flowmeter to be purified, a filter and a liquid flow control valve, the liquid flow control valve is further connected to one end of a valve opening electronic controller, the other end of the valve opening electronic controller is connected with a gas flow control valve a and a gas flow control valve b respectively, the high-pressure gas cylinder is connected to a non-equilibrium plasma jet exciter gas inlet on one side through the gas flow control valve a, and the high-pressure gas cylinder is connected to a non-equilibrium plasma jet exciter gas inlet on the other side through the gas flow control valve b; the liquid processor is arranged on the top of the jet flow purifier body, the jet flow purifier body is positioned on the water treatment tank, the water treatment tank is of a top opening structure, the lower part of one side of the water treatment tank is provided with a detection port, and the bottom of the water treatment tank is provided with a discharge port; the detection port is connected with a detection pipeline, a detection port control valve, a detection port reflux pump and a detection unit are sequentially arranged on the detection pipeline, and the detection unit and the plurality of non-equilibrium plasma jet exciters are connected with a plasma power supply;
the liquid processor comprises a liquid atomizer and a liquid processing cavity, the liquid atomizer is arranged in the liquid processing cavity and comprises an atomizer body and atomizing spray holes, the atomizer body is of a hollow cylinder structure, the bottom of the hollow cylinder structure is connected with the atomizing spray holes, and the atomizing spray holes are of a round straight hole structure or a crossed seam structure; the liquid treatment cavity is of a hollow structure.
2. The medical wastewater treatment method according to claim 1, wherein the changing of the operating parameters of the plasma power supply, the gas flow control valve a and the gas flow control valve b is specifically: the original power supply voltage is increased from V to V + delta V, the detection is carried out again, if the content of the target purifying substances reaches the standard, the power supply voltage is kept to work at V + delta V, if the content of the target purifying substances does not reach the standard, the power supply voltage is increased to work at V +2 delta V, and the like; and increasing the opening degrees of the original gas flow control valve a and the original gas flow control valve b from t to t + Deltat, detecting again, keeping the opening degree of the gas flow control valve t + Deltat to work if the content of the target purifying object reaches the standard, increasing the opening degree of the gas flow control valve to t +2 Deltat to work if the content of the target purifying object does not reach the standard, and so on.
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| CN101066791A (en) * | 2007-06-19 | 2007-11-07 | 中山大学 | Triphase AC sliding arc non-balancing plasma sewage treating apparatus |
| CN103482735A (en) * | 2013-09-09 | 2014-01-01 | 河海大学常州校区 | Water spray discharge air plasma jet processing device and high-voltage power source thereof |
| CN104624138A (en) * | 2015-02-04 | 2015-05-20 | 中国科学院电工研究所 | Device and method for uniformly treating aqueous solution by utilizing plasma jet array |
| WO2018205863A1 (en) * | 2017-05-08 | 2018-11-15 | 程久华 | Chemical liquid treatment device and method using plasma, and applications thereof in treatment of wastewater |
| CN208540234U (en) * | 2018-07-24 | 2019-02-22 | 大连海事大学 | A kind of atmospheric non-equilibrium plasma fluidic device introducing protection gas |
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