CN215712118U - Water purification equipment for removing refractory organic matters - Google Patents
Water purification equipment for removing refractory organic matters Download PDFInfo
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- CN215712118U CN215712118U CN202120516398.XU CN202120516398U CN215712118U CN 215712118 U CN215712118 U CN 215712118U CN 202120516398 U CN202120516398 U CN 202120516398U CN 215712118 U CN215712118 U CN 215712118U
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Abstract
The utility model provides water purification equipment for removing refractory organic matters, which comprises a pipeline connected to a purified water outlet from a water inlet, wherein a pre-filter, a booster pump and a reverse osmosis filter are sequentially arranged on the pipeline along the water flow direction, a water storage pressure tank is connected between the reverse osmosis filter and the purified water outlet through an electromagnetic three-way valve, and a plasma water treatment reactor is connected between a concentrated water discharge port of the reverse osmosis filter and the concentrated water outlet. The utility model can automatically clean the reverse osmosis filter element, and simultaneously designs the plasma water treatment reactor at the concentrated water discharge side to degrade various refractory organic matters into short-chain substances, thereby achieving the aim of near zero discharge of the refractory organic matters, being beneficial to reducing the treatment pressure of a sewage plant on the refractory organic matters, preventing the refractory organic matters from being continuously accumulated in the water environment and food chain, having important social and environmental benefits in the long run and being beneficial to ensuring the health of human beings from being damaged by the toxic refractory organic matters.
Description
Technical Field
The utility model relates to the field of water purification equipment, in particular to water purification equipment for removing refractory organic matters.
Background
At present, on one hand, the increasingly serious environmental pollution and on the other hand, the improvement of the living standard and health consciousness of residents, water pollution and drinking water safety become one of the most concerned problems of the residents at present. Therefore, the market of the water purifier in China is expanded by 10 times in as short as 7 years, and the development trend of high-speed growth is presented. The water purifier has the function of removing pollutants such as floaters, heavy metals, bacteria, viruses, residual chlorine, silt, rust, microorganisms and the like in water, and is a device widely used for families and businesses and ensuring the safety of drinking water. However, the existing water purifier has the defects of no self-cleaning disinfection function and short service life of a filter element. Meanwhile, it is particularly worth paying attention to that the existing water purifier cannot really degrade or eliminate the refractory organic matters in the water, can only separate the refractory organic matters from the produced water on the physical layer, transfers the refractory organic matters into the concentrated water of the RO membrane unit to be discharged to a sewage pipeline, and transfers the burden of removing the refractory organic matters to a downstream sewage plant. Since the downstream sewage treatment plant can not effectively remove the refractory organics, the refractory organics which are harmful to human health are continuously accumulated in the water environment, and finally enter the human body through the biological amplification effect of the food chain to influence the human health.
Besides the defect that the existing water purifier cannot really eliminate the organic matters which are difficult to degrade in water, the other defect is that the RO membrane unit is easy to generate dirt blockage, so that the water yield of the water purifier is reduced in long-term use, the quality of purified water is reduced, the frequency of replacing an RO filter element is high, and the use cost is high. Although the service life of the RO membrane can be prolonged to a certain extent by aiming at the self-flushing function of the water purification system at present, the existing water purifier with the self-flushing function does not involve the subsequent treatment of RO concentrated water and flushing water, so that the refractory organic matters in the RO membrane flushing are directly discharged into downstream sewage plants and the nature under the condition of not being degraded, and finally the human health can be influenced.
Therefore, there is a need to provide a new water purifying apparatus capable of completely eliminating refractory organics to near zero emission, so as to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In the summary section a series of concepts in a simplified form is introduced, which will be described in further detail in the detailed description section. The inventive content of the present invention is not intended to define key features or essential features of the claimed solution, nor is it intended to be used to limit the scope of the claimed solution.
Aiming at the defects of the prior art, the utility model provides water purification equipment for removing refractory organic matters, which comprises a pipeline connected to a purified water outlet from a water inlet, wherein a pre-filter, a booster pump and a reverse osmosis filter are sequentially arranged on the pipeline along the water flow direction, a water storage pressure tank is connected between the reverse osmosis filter and the purified water outlet through an electromagnetic three-way valve, and a plasma water treatment reactor is connected between a concentrated water discharge port of the reverse osmosis filter and the concentrated water outlet.
Optionally, a waste water proportional valve and an automatic flushing solenoid valve which are connected in parallel are connected between the concentrated water discharge port of the reverse osmosis filter and the plasma water treatment reactor.
Optionally, the water purification device further comprises a post-activated carbon located between the electromagnetic three-way valve and the purified water outlet.
Optionally, the pre-filter comprises a pre-PP cotton filter, pre-activated carbon and a post-PP cotton filter which are connected in sequence.
Optionally, the PP cotton filter elements of the front PP cotton filter and the rear PP cotton filter include a 10 μm PP cotton filter element, a 5 μm PP cotton filter element, and a 1 μm PP cotton filter element.
Optionally, the pre-carbon filter element comprises a sintered activated carbon filter element and a compressed activated carbon filter element.
Optionally, water purification unit still includes from the water inlet be connected to the water purification delivery port on the pipeline along rivers direction set gradually low pressure switch, the solenoid valve of intaking and high pressure switch, low pressure switch is located the play water end of leading PP cotton filter, the solenoid valve of intaking is located between rearmounted PP cotton filter and the booster pump, high pressure switch is located between the electromagnetic three-way valve of reverse osmosis filter and connection water storage overhead tank.
Optionally, the plasma water treatment reactor comprises a water inlet, a pulse power supply, a cylindrical grounding electrode, a quartz glass tube, a high-voltage wire electrode and a water outlet, wherein the high-voltage wire electrode is arranged in the center of the reactor, fixed by an upper support frame and a lower support frame respectively and connected with the pulse power supply, the quartz glass tube is sleeved outside the high-voltage wire electrode as a medium, and the cylindrical grounding electrode is wrapped on the outermost side of the reactor.
Optionally, the plasma water treatment reactor comprises a coaxial high-pressure side single-medium structure, a coaxial low-pressure side single-medium structure and a coaxial double-medium structure.
Optionally, the water purification apparatus further comprises a self-priming pump located between the water inlet and the pre-filter.
Compared with the traditional RO reverse osmosis water purification system, the water purification equipment for removing the refractory organic matters can automatically clean the RO reverse osmosis filter element, so that the purposes of improving water purification efficiency, prolonging service life and improving drinking water health degree are achieved; meanwhile, a plasma water treatment reactor is designed at the concentrated water discharge side, and H can be generated in situ through discharge2O2、O3OH, free electrons and other active substances can degrade various refractory organic matters into short-chain substances, even play a role in complete degradation, and achieve the aim of near zero emission of the refractory organic matters. The utility model is beneficial to reducing the pressure of sewage plants on the treatment of the refractory organic matters, preventing the refractory organic matters from continuously accumulating in the water environment and food chain, having important social environmental benefits in the long term and being beneficial to ensuring the health of human beings from being damaged by the toxic refractory organic matters.
Drawings
The following drawings of the utility model are included to provide a further understanding of the utility model. There are shown in the drawings, embodiments and descriptions thereof, which are used to explain the principles and apparatus of the utility model. In the drawings, there is shown in the drawings,
FIG. 1 is a schematic structural diagram of a water purification apparatus for removing refractory organics under water inlet pressure according to an embodiment of the present invention;
FIG. 2 is a schematic structural diagram of a water purification apparatus for removing refractory organics without water inlet pressure according to another embodiment of the present invention;
FIG. 3 is a schematic diagram of the structure of a plasma water treatment reactor according to one embodiment of the present invention;
FIG. 4(a) is a top view of a coaxial high pressure side single media structured plasma water treatment reactor according to one embodiment of the present invention;
FIG. 4(b) is a top view of a coaxial low pressure side single media structured plasma water treatment reactor according to one embodiment of the present invention;
FIG. 4(c) is a top view of a coaxial dual-media structured plasma water treatment reactor according to one embodiment of the present invention;
wherein: 1-a water inlet;
2-plasma water treatment reactor;
3, a PP cotton filter is arranged in front;
4-low voltage switch;
5-preposed active carbon;
6, post-placing a PP cotton filter;
7-water inlet electromagnetic valve;
8, a booster pump;
9-reverse osmosis filter;
10-high voltage switch;
11-electromagnetic three-way valve;
12-post active carbon;
13-a purified water outlet;
14-ball valve of water storage barrel;
15-water storage pressure tank;
16-waste water proportional valve;
17-automatic flushing solenoid valve;
18-a self-priming pump;
19-concentrated water outlet;
21-water inlet of plasma water treatment reactor;
22-a pulsed power supply;
23-cylindrical ground electrode;
24-quartz glass tube;
25-high voltage line electrode;
26-water outlet of the plasma water treatment reactor.
Detailed Description
In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present invention. It will be apparent, however, to one skilled in the art, that the present invention may be practiced without one or more of these specific details. In other instances, well-known features have not been described in order to avoid obscuring the utility model.
In order to thoroughly understand the present invention, detailed steps will be set forth in the following description in order to explain the structure of the water purifying apparatus for removing refractory organics according to the present invention. It will be apparent that the utility model may be practiced without limitation to the specific details known to those skilled in the art. The following detailed description of the preferred embodiments of the utility model, however, the utility model is capable of other embodiments in addition to those detailed.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
Refractory Organic Matter (Refractory Organic Matter) refers to an Organic chemical substance which is difficult to degrade and decompose by biological action under natural conditions, and tap water mainly comprises polybrominated diphenyl ethers, perfluorooctanoic acid (sulfonic acid) (PFAS), disinfection byproducts, Endocrine Disruptors (EDCs), medicines, personal care products (PPCPs) and the like.
Plasma Water Treatment Technology (Plasma Water Treatment Technology) is characterized in that energy is injected into Water or a space above a Water surface by using an external electric field, electrons instantly obtain energy to be high-energy electrons by a high-intensity electric field between two poles, and the electrons collide with the Water to dissociate Water molecules to generate OH and HO2、·O、·H、H2O2And the like, and a novel water treatment technique in which these active substances are degraded by reaction with organic substances.
Reverse Osmosis Water Purification System (Reverse Osmosis Water Purification System): reverse osmosis is a process of separating water molecules from solutes in a water body by using the permselectivity of a selective membrane, which is permeable only to water and impermeable to solutes, as a driving force by a pressure higher than the osmotic pressure. The reverse osmosis water purification system is a device for water treatment mainly by using a reverse osmosis principle.
The utility model provides a novel special water purification device for refractory organic matters with low concentration and high toxicity in tap water, and is suitable for the treatment of tap water in various scenes such as household, commercial and industrial use. The utility model discloses can solve the problem that water purification system exists at present stage. At present, water purifiers used in the market all adopt multi-stage filtration water purifiers, but have more defects. Firstly, the filter element has no self-cleaning function, when the impurities in the water are more, the filter element is polluted to reduce the water outlet quantity, and the service life of the filter element is shortened; secondly, the filter element needs to be replaced frequently, and the cost is higher; and thirdly, only pollutants (particularly refractory organic matters) are transferred into concentrated water and discharged into a sewer without being degraded, and subsequent treatment is required, but common urban sewage plants cannot effectively remove the refractory organic matters, so that the refractory organic matters are accumulated in the water environment and threaten the human health.
To the problems of the existing water purifier, the patent provides a special water purifying device for removing refractory organics in tap water to achieve near zero emission of the refractory organics, and H can be generated in situ through discharging2O2、O3OH, free electrons and other active substances, can degrade various stable refractory organic matters into short-chain substances, even completely into CO2、H2O and inorganic salts. The treatment of the RO concentrated water not only reduces the treatment pressure of the sewage plant, but also prevents the persistent accumulation of refractory organics which are difficult to remove in the conventional municipal sewage plant in natural water and tap water, thereby reducing the harm to human bodies.
Simultaneously, this patent has designed the self-cleaning system, and is automatic to wash RO reverse osmosis filter after water purification system shuts down, has prolonged the change cycle of membrane, has reduced use cost, also reduces the residue of dense water in the RO reverse osmosis filter simultaneously, has promoted the quality of water purification system play water. The cleaning water is also treated by the plasma water treatment reactor and then discharged, in accordance with the RO concentrate.
The present invention provides a "permanent" technology and equipment capable of degrading pollutant, rather than simply separating. Compared with traditional Chinese medicineCompared with an RO (reverse osmosis) water purification system, the special water purification equipment provided by the utility model can automatically clean the RO filter element, thereby achieving the purposes of improving the water purification efficiency, prolonging the service life and improving the health degree of drinking water; meanwhile, a plasma water treatment reactor is designed at the concentrated water discharge side, and H can be generated in situ through discharge2O2、O3OH, free electrons and other active substances can degrade various refractory organic matters into short-chain substances, even play a role in complete degradation, and achieve the aim of near zero emission of the refractory organic matters. The utility model is beneficial to reducing the pressure of sewage plants on the treatment of the refractory organic matters, preventing the refractory organic matters from continuously accumulating in the water environment and food chain, having important social environmental benefits in the long term and being beneficial to ensuring the health of human beings from being damaged by the toxic refractory organic matters.
The deodorizing system of the present invention will be further described with reference to the accompanying drawings.
In one embodiment, as shown in fig. 1, a water purification apparatus for removing refractory organic substances under the condition of water inlet pressure comprises a pipeline connected to a purified water outlet from a water inlet, wherein a pre-filter, a booster pump and a reverse osmosis filter are sequentially arranged on the pipeline along the water flow direction, a water storage pressure tank is connected between the reverse osmosis filter and the purified water outlet through an electromagnetic three-way valve, and a plasma water treatment reactor is connected between a concentrated water discharge port of the reverse osmosis filter and the concentrated water outlet.
As shown in fig. 2, in one embodiment, a water purification apparatus for removing refractory organic matters without water inlet pressure comprises a tap water inlet 1, a self-priming pump 18, a pre-PP cotton filter 3, a low-pressure switch 4, pre-activated carbon 5, a post-PP cotton filter 6, a water inlet solenoid valve 7, a booster pump 8, an RO reverse osmosis filter 9, a high-pressure switch 10, an electromagnetic three-way valve 11, post-activated carbon 12, a purified water outlet 13, a water storage barrel ball valve 14, a water storage pressure tank 15, a wastewater proportional valve 16, an automatic flushing solenoid valve 17, a plasma water treatment reactor 2 and a concentrated water outlet 19.
As shown in fig. 2, the tap water inlet is connected to the pipeline of the purified water outlet, and a self-priming pump, a front PP cotton filter, a low-pressure switch, a front activated carbon, a rear PP cotton filter, a water inlet electromagnetic valve, a booster pump, an RO reverse osmosis membrane, a high-pressure switch and a rear activated carbon are sequentially arranged on the pipeline along the water flow direction. A water storage pressure tank is connected on a pipeline between the RO reverse osmosis filter and the rear-mounted activated carbon, gas with set pressure is stored in the water storage pressure tank, so that pressure in the pipeline is changed to form water flow between the pipeline and the water storage pressure tank, and a filter element in the RO reverse osmosis filter is cleaned by the water flow.
The special water purifying equipment provided by the utility model comprises the self-sucking pump, so that the special water purifying equipment not only can be used for treating household and commercial tap water with water pressure, but also can be used in an environment with poor water quality, and wastewater to be treated is introduced into the equipment at a certain pressure through the self-sucking pump and then is subjected to purification treatment.
The special water purifying equipment provided by the utility model comprises a front-mounted filtering device which comprises a front-mounted PP cotton filter, front-mounted active carbon and a rear-mounted PP cotton filter, and aims to remove large-particle substances such as silt, turbid substances, rust and the like and adsorb residual chlorine, heterochrosis, peculiar smell and the like, thereby playing the roles of preprocessing and protecting the RO reverse osmosis filter element. Wherein the PP cotton filter element comprises but is not limited to a 10 μm PP cotton filter element, a 5 μm PP cotton filter element and a 1 μm PP cotton filter element; the activated carbon filter element comprises but not limited to a sintered activated carbon filter element and a compressed activated carbon filter element, and is determined according to the quality and quantity of treated water.
The RO reverse osmosis filter comprises an RO reverse osmosis membrane inside and an external shell, the shell is respectively provided with a water inlet, a purified water outlet and a concentrated water discharge port, the water inlet is communicated with a post-positioned PP cotton filter by a pipeline and a water inlet electromagnetic valve, the purified water outlet is connected with post-positioned active carbon by a pipeline, water is directly discharged after filtration, and an opening of a water storage pressure tank is connected on the pipeline between the purified water outlet and the post-positioned active carbon water inlet. The concentrated water discharge port is connected with the plasma water treatment reactor through a pipeline and a wastewater electromagnetic valve. Concentrated water generated by the RO reverse osmosis filter when the equipment is operated is treated by the plasma water treatment reactor and then is discharged to a sewer through a concentrated water outlet.
The opening of the water storage pressure tank is connected with the purified water outlet of the RO reverse osmosis filter through a pipeline and an electromagnetic three-way valve, and a water outlet switch (such as a faucet switch) is arranged at the purified water outlet of the equipment so as to control the opening and closing of the water outlet and the flow of the discharged water. When the water outlet switch is turned on and the booster pump works, because the pressure of the water outlet is less than the air pressure of the water storage pressure tank and less than the pressure of the water outlet of the RO reverse osmosis filter, the water outlet of the RO reverse osmosis filter directly flows into the post-positioned active carbon and is filtered to discharge water; when the water outlet stops discharging water, the booster pump is closed in a delayed mode and still continues to work, the pressure at the water purifying outlet of the RO reverse osmosis filter is higher than the air pressure in the water storage pressure tank, and meanwhile, the electromagnetic three-way valve closes a passage flowing to the rear-mounted activated carbon, so that the purified water flowing out of the water purifying outlet of the RO reverse osmosis filter flows into the water storage pressure tank to be stored in a stored water mode; when the water outlet is closed and the booster pump also stops working, the pressure at the water purifying port of the RO reverse osmosis filter is smaller than the air pressure value in the water storage pressure tank, and meanwhile, the passage flowing to the rear active carbon is kept closed, so that the self-purified water accumulated in the water storage pressure tank reversely flows into the RO reverse osmosis filter, and is discharged from the concentrated water discharge port after being reversely flushed.
Be connected to the pipeline of water purification delivery port by the running water inlet, set gradually low-pressure switch, inlet solenoid valve and high-pressure switch along the rivers direction on the pipeline, both played the effect of control business turn over water, simultaneously through to hydraulic real-time measurement, also played the guard action to equipment, if self priming pump or booster pump break down, lead to the inflow pressure too big, then equipment shutdown prevents that the membrane shell from breaking danger appears.
When the equipment normally operates, a concentrated water discharge port of the RO reverse osmosis filter is connected to the plasma water treatment reactor through a pipeline provided with a wastewater proportional valve; when the equipment is reversely cleaned, a concentrated water discharge port of the RO reverse osmosis filter is connected to the plasma water treatment reactor through a pipeline provided with an automatic flushing electromagnetic valve. The wastewater generated in the water purification process of the RO reverse osmosis filter and the cleaning water for the RO reverse osmosis membrane filter element are degraded into various stable organic matters which are difficult to degrade into short-chain substances, even completely degraded into CO under the action of the plasma water treatment reactor2、H2O and inorganic salt, and the treated effluent is subjected to concentrated water dischargeThe water gap is discharged into a sewer.
The plasma water treatment reactor designed in the utility model can generate H in situ without additional reagent2O2、O3OH, free electrons and other active substances, can decompose various stable organic matters difficult to degrade into short-chain substances, even completely degrade into CO2、H2O and inorganic salts. The reactor is schematically shown in FIG. 3: the high-voltage line electrode 25 is arranged in the center of the reactor 2, is fixed by an upper support frame and a lower support frame respectively, and is connected with the pulse power supply 22. The quartz glass tube 24 is sleeved outside the high-voltage wire electrode as a medium, not only can be used as an insulating medium to ensure the discharge intensity, but also can be used for isolating a water body to prevent the high-voltage wire electrode from being corroded and scaled. The cylindrical grounding electrode 23 is wrapped at the outermost side of the reactor. When the equipment is operated, concentrated water generated by RO reverse osmosis enters from the water inlet 21 of the plasma water treatment reactor, and H is generated in a cavity between quartz glass and a cylindrical electrode through the discharge of gas phase in the cavity and the excitation of water molecules2O2、O3OH, free electrons and other active substances, and pollutants such as refractory organic matters are efficiently decomposed under the synergistic action, and effluent is discharged into a sewer through a water outlet 26 of the plasma water treatment reactor.
The reactor shown in fig. 3 and the plasma water treatment reactor component in the schematic diagram are of a coaxial high-pressure side single-medium structure, as shown in fig. 4(a), coaxial type is convenient for water body flow, and the reactor has the advantages of high treatment efficiency and small occupied area. In addition to the form shown in fig. 4(a), the reactor may also adopt other coaxial structures for concentrated water treatment, such as a coaxial low-pressure side single-medium structure, a coaxial double-medium structure, etc., as shown in fig. 4(b) and 4(c), which are all protected by the present invention.
The special water purifying equipment for removing the refractory organics in the tap water can directly drink purified water after treatment, and concentrated water and membrane cleaning water generated by the RO reverse osmosis filter are discharged to a sewer through a concentrated water outlet after the refractory organics are removed by the plasma water treatment reactor.
Based on the above description, the water purification device provided by the utility model has at least the following advantages:
1. utilize adjustable pipeline internal pressure differential to form the switching-over rivers between water storage overhead tank and pipeline to utilize rivers to wash the RO membrane filter core in the RO reverse osmosis filter, and then realize the purpose of water purification system to RO membrane filter core automatically cleaning, can effectively prolong the life of membrane, reduce use cost, also reduced the remaining of dense water in the RO reverse osmosis filter simultaneously, promoted the quality of water purification system play water.
2. In-situ generation of H by discharge using a plasma water treatment reactor2O2、O3And OH, free electrons and other active substances, and the RO reverse osmosis filtered concentrated water and the cleaning water are treated to decompose refractory organic matters and then are discharged into a sewer, so that the load of a sewage treatment plant is reduced, and the continuous circulating accumulation of the pollutants in the nature is prevented.
3. The special water purifying equipment provided by the utility model comprises the self-sucking pump, so that the special water purifying equipment not only can be used for treating tap water in a household and commercial scene with water pressure, but also can be used in an environment with poor water quality, and wastewater to be treated is introduced into the equipment at a certain pressure through the self-sucking pump and then is purified.
4. The special water purifying equipment provided by the utility model contains a PP cotton and active carbon pre-filtering device, and plays roles in pretreatment and protection of the RO reverse osmosis filter element. The filter element type and specification of the front-mounted filter device can be determined according to the water quality and quantity of water to be treated, and the front-mounted filter device is flexible to operate and convenient to replace.
5. The special water purifying equipment provided by the utility model is provided with the water inlet electromagnetic valve, the waste water proportional valve, the automatic flushing electromagnetic valve and the electromagnetic three-way valve which are all operated automatically by a microcomputer, thereby not only playing a role of controlling water inlet and outlet, but also playing a role of protecting the equipment by automatically stopping when the pressure is too high through real-time measurement of water pressure.
Unless defined otherwise, technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs. The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. Terms such as "disposed" and the like, as used herein, may refer to one element being directly attached to another element or one element being attached to another element through intervening elements. Features described herein in one embodiment may be applied to another embodiment, either alone or in combination with other features, unless the feature is otherwise inapplicable or otherwise stated in the other embodiment.
The present invention has been illustrated by the above embodiments, but it should be understood that the above embodiments are for illustrative and descriptive purposes only and are not intended to limit the utility model to the scope of the described embodiments. Furthermore, it will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, and that many variations and modifications may be made in accordance with the teachings of the present invention, which variations and modifications are within the scope of the present invention as claimed. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A water purification apparatus for removing refractory organics, comprising: the water purifier is characterized in that a pipeline connected to a water purification water outlet from a water inlet is sequentially provided with a pre-filter, a booster pump and a reverse osmosis filter along the water flow direction on the pipeline, a water storage pressure tank is connected between the reverse osmosis filter and the water purification water outlet through an electromagnetic three-way valve, and a plasma water treatment reactor is connected between a concentrated water discharge port of the reverse osmosis filter and the concentrated water outlet.
2. The water purification apparatus for removing refractory organics as claimed in claim 1, wherein a wastewater proportional valve and an automatic flushing solenoid valve are connected in parallel between the concentrated water discharge port of the reverse osmosis filter and the plasma water treatment reactor.
3. The water purification apparatus for removing refractory organics as claimed in claim 1, further comprising a post-activated carbon located between the electromagnetic three-way valve and the purified water outlet.
4. The water purification apparatus for removing refractory organics as claimed in claim 1, wherein the pre-filter comprises a pre-PP cotton filter, pre-activated carbon and a post-PP cotton filter connected in sequence.
5. The water purification apparatus for removing refractory organics as claimed in claim 4, wherein the PP cotton filter elements of the front PP cotton filter and the rear PP cotton filter comprise 10 μm PP cotton filter element, 5 μm PP cotton filter element, and 1 μm PP cotton filter element.
6. The water purification apparatus for removing refractory organics of claim 4, wherein the pre-activated carbon filter element comprises a sintered activated carbon filter element and a compressed activated carbon filter element.
7. The water purification apparatus for removing refractory organics as claimed in claim 4, further comprising a low pressure switch, a water inlet solenoid valve and a high pressure switch sequentially arranged along the water flow direction on a pipeline connected from the water inlet to the purified water outlet, wherein the low pressure switch is located at the water outlet end of the front PP cotton filter, the water inlet solenoid valve is located between the rear PP cotton filter and the booster pump, and the high pressure switch is located between the reverse osmosis filter and the electromagnetic three-way valve connected to the water storage pressure tank.
8. The water purification device for removing refractory organics according to claim 1, wherein the plasma water treatment reactor comprises a water inlet, a pulse power supply, a cylindrical grounding electrode, a quartz glass tube, a high-voltage wire electrode and a water outlet, wherein the high-voltage wire electrode is arranged in the center of the reactor, fixed by an upper support frame and a lower support frame respectively and connected with the pulse power supply, the quartz glass tube is sleeved outside the high-voltage wire electrode as a medium, and the cylindrical grounding electrode is wrapped at the outermost side of the reactor.
9. The water purification apparatus for removing refractory organics of claim 8, wherein the plasma water treatment reactor comprises a coaxial high pressure side single media structure, a coaxial low pressure side single media structure, and a coaxial dual media structure.
10. The water purifying apparatus for removing refractory organics of any of claims 1-9, further comprising a self-priming pump between the water inlet and the pre-filter.
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| CN202120516398.XU CN215712118U (en) | 2021-03-09 | 2021-03-09 | Water purification equipment for removing refractory organic matters |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114684994A (en) * | 2022-04-26 | 2022-07-01 | 江苏大学 | RO (reverse osmosis) membrane module and low-temperature plasma organic wastewater degradation system and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114684994A (en) * | 2022-04-26 | 2022-07-01 | 江苏大学 | RO (reverse osmosis) membrane module and low-temperature plasma organic wastewater degradation system and method |
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