CN110790340B - Ion body in-situ purification device and purification method suitable for drainage system - Google Patents
Ion body in-situ purification device and purification method suitable for drainage system Download PDFInfo
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- CN110790340B CN110790340B CN201910990256.4A CN201910990256A CN110790340B CN 110790340 B CN110790340 B CN 110790340B CN 201910990256 A CN201910990256 A CN 201910990256A CN 110790340 B CN110790340 B CN 110790340B
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- 238000000746 purification Methods 0.000 title claims abstract description 44
- 238000011065 in-situ storage Methods 0.000 title claims abstract description 30
- 238000000034 method Methods 0.000 title claims description 12
- 238000007689 inspection Methods 0.000 claims abstract description 50
- 239000000725 suspension Substances 0.000 claims abstract description 34
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 26
- 230000000694 effects Effects 0.000 claims abstract description 16
- 239000010865 sewage Substances 0.000 claims description 22
- 239000011810 insulating material Substances 0.000 claims description 8
- 239000007789 gas Substances 0.000 claims description 4
- 238000006073 displacement reaction Methods 0.000 claims description 3
- 238000004140 cleaning Methods 0.000 claims description 2
- 230000002925 chemical effect Effects 0.000 abstract description 5
- 230000000704 physical effect Effects 0.000 abstract description 5
- 150000002500 ions Chemical class 0.000 description 54
- 238000005516 engineering process Methods 0.000 description 8
- 238000004659 sterilization and disinfection Methods 0.000 description 6
- 239000000126 substance Substances 0.000 description 6
- 238000006243 chemical reaction Methods 0.000 description 5
- 230000003647 oxidation Effects 0.000 description 5
- 238000007254 oxidation reaction Methods 0.000 description 5
- 238000004090 dissolution Methods 0.000 description 4
- 239000004519 grease Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- 230000015556 catabolic process Effects 0.000 description 3
- 238000006731 degradation reaction Methods 0.000 description 3
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 241000255925 Diptera Species 0.000 description 2
- 230000008901 benefit Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000008239 natural water Substances 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241001674044 Blattodea Species 0.000 description 1
- 230000001133 acceleration Effects 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 239000007864 aqueous solution Substances 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000033558 biomineral tissue development Effects 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 239000003054 catalyst Substances 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000002301 combined effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000593 degrading effect Effects 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000036449 good health Effects 0.000 description 1
- 230000002779 inactivation Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 230000002147 killing effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000005416 organic matter Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 244000052769 pathogen Species 0.000 description 1
- 238000006303 photolysis reaction Methods 0.000 description 1
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- 238000011144 upstream manufacturing Methods 0.000 description 1
- 229940088594 vitamin Drugs 0.000 description 1
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Classifications
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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
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/02—Manhole shafts or other inspection chambers; Snow-filling openings; accessories
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F7/00—Other installations or implements for operating sewer systems, e.g. for preventing or indicating stoppage; Emptying cesspools
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2307/00—Location of water treatment or water treatment device
- C02F2307/08—Treatment of wastewater in the sewer, e.g. to reduce grease, odour
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- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Hydrology & Water Resources (AREA)
- Water Supply & Treatment (AREA)
- Public Health (AREA)
- Toxicology (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides an ion body in-situ purification device suitable for a drainage system, which is characterized in that chain type guide rails are arranged in an inspection well and a drainage pipeline, an ion body generator is embedded in a suspension type bracket, and the suspension type bracket is suspended on the chain type guide rails and moves in the drainage pipeline along the chain type guide rails for in-situ water quality purification of the drainage pipeline; the ground outside the inspection well is provided with a multi-stage high-voltage pulse power supply for providing high-voltage pulse current for the ion generator. The invention fully utilizes the inner space of the inspection well and the drainage pipeline, realizes the transportation and arrangement of the ion generator in the drainage pipeline through the exquisite design of the chain type guide rail and the suspension bracket, and realizes the multifunctional purification of the drainage pipeline through the multiple physical and chemical effects of the ion body under the regulation and control of the multi-stage high-voltage pulse power supply. Compared with the prior art, the invention has the outstanding characteristics of strong applicability, easy implementation, multiple functions, flexible operation, obvious effect and the like.
Description
Technical Field
The invention belongs to the technical field of municipal drainage, and relates to an ion body in-situ purification device suitable for a drainage system.
Background
The drainage pipeline is an engineering facility for collecting and conveying town domestic sewage, industrial wastewater and rainwater. In recent years, along with the acceleration of urban process in China, the construction quantity and scale of drainage pipelines are also increased year by year. Such as: during the period of thirteen five, on the basis of the built drain pipeline with the total length of about 9530km, the water drain pipeline matched with the central urban area is about 100km, and the water drain pipeline newly built in suburban areas is about 310km. The increasingly perfect drainage pipeline system provides convenience for conveying various sewage and rainwater in towns, however, the problems of water quality pollution, secondary disasters and the like of the drainage pipeline are also increasingly prominent along with the gradual bulkiness of the drainage pipeline system. Taking a diversion rainwater pipeline as an example, in the background that 'rain and sewage mixed connection is frequently and frequently carried out, and sewage from car washing and gear is discharged wantonly, and the source pollution of the initial rain water surface is largely carried in', the rainwater pipeline becomes a collecting area for a plurality of sewage, so that the problem of black and odorous rivers and lakes is frequently caused.
In order to solve the problems, the existing urban drainage pipeline system in China still has only conveying capacity, but does not have a water quality purifying function. Moreover, as the conveying end point of the drainage pipeline is often natural water, if the internal space of the drainage pipeline is fully utilized to perform in-situ water quality purification, the pollution-receiving load of the natural water is relieved, and the water pollution control capability and the water environment treatment level are further improved. Thus, there is a need in the marketplace for a new technology that can perform in situ purification of drain lines.
The advanced oxidation technology is an electrochemical water purification technology which is environment-friendly, free of secondary pollution and extremely high in reaction efficiency. The ion body discharge technology excited by the multistage high-voltage pulse power supply is a novel electrochemical water purification technology integrating a plurality of advanced oxidation technologies (such as high-energy electron radiation, chemical oxidation, ultraviolet photolysis, ultrasonic oxidation and the like). By plasma is meant a plasma in which only the high-speed motion of electrons is excited, such that the electron temperature is much higher than the ion temperature, and the apparent temperature of the entire system can be as low as room temperature. The ionic technology in the aqueous solution can be operated at normal temperature and normal pressure, and the reaction system can almost oxidize any organic matters in a short time without being assisted by means of high temperature, high pressure or externally added catalyst. The reason is that the system can generate a large amount of OH with extremely strong oxidability, and then the macromolecular organic matters are degraded into small molecular matters, even directly into carbon dioxide (CO 2 ) And water (H) 2 O) and mineralization was completed (reactions 1-4).
H 2 O+hν→·OH+·H(1)
R+·OH→ROH(2)
R+·OH→·R+H 2 O(3)
R n +·OH→R n-1 +OH-(4)
In addition to the production of large amounts of OH, the reaction system of the ion body can also produce a reaction system comprising O, HO 2 、H 2 O 2 The organic substances and the reducing substances in the sewage have extremely strong oxidizing property, and have an extremely strong killing effect on bacteria, pathogens, diseases such as mosquitoes, flies, cockroaches and the like in the sewage. In addition, the high-energy electrons in the system can make the gas molecules with high electronegativity (such as O 2 、N 2 ) The negative ions are generated by taking electrons, so that the negative ions have a plurality of good health effects, are beneficial to the life activities of human bodies and other organisms, and are known as 'air vitamins'.
The research and application of the ion body technology in the current water treatment field are mostly limited to the purification effect of a single plasma generator on wastewater, but the research and the case of realizing the combined action of various physical and chemical effects and multistage control in an ion body purification system by combining various pulse power supply operation parameters (such as pulse voltage and pulse frequency) and various ion body structural designs (such as plate forms and plate distances) are fresh, and the method is particularly aimed at in-situ purification of a drainage pipeline. The drainage pipeline is not only a sewage conveying facility, but also a long and narrow tubular reactor. The tubular reactor has the characteristics of no back mixing in the axial direction, gradual concentration change, sectional control and the like. Therefore, the combination of the characteristics of the drainage pipeline and the ion generator with various physical and chemical effects can realize the combination and comprehensive benefits of various effects of degrading sewage organic matters, promoting the dissolution of grease matters by ultrasonic waves, sterilizing by ultraviolet rays and the like.
Disclosure of Invention
The invention aims to realize the in-situ water quality purification of the drainage pipeline by carrying out proper engineering transformation on the drainage pipeline and the inspection well, fully utilizing the internal space of the drainage pipeline and conveying the ion generator into the drainage pipeline through the design of the chain guide rail and the suspension bracket.
In order to achieve the above purpose, the invention provides an ion body in-situ purification device suitable for a drainage system, which is characterized in that a chain type guide rail is arranged in an inspection well and a drainage pipeline, an ion body generator is embedded in a suspension type bracket, and a single or a plurality of suspension type brackets are suspended on the chain type guide rail and move along the chain type guide rail in the inspection well and the drainage pipeline for in-situ water quality purification of the drainage pipeline; the ground outside the inspection well is provided with a multi-stage high-voltage pulse power supply for providing high-voltage pulse current for the ion generator.
Further, the chain type guide rail comprises a supporting frame, a driving sprocket, a driven pulley and a chain matched with the driving sprocket and the driven pulley are mounted on the supporting frame, the wheel faces of the driving sprocket and the driven pulley are located on the same plane with the axis of the drainage pipeline, a motor is connected with the driving sprocket and used for driving the driving sprocket to rotate, so that the chain is driven to move, a wheel groove is formed in the driven pulley, the chain groove of the chain is meshed with the gear teeth of the driving sprocket, and the outer side of the chain is clamped with the wheel groove of the driven pulley.
Further, the supporting frame and the side wall of the inspection well are provided with fixing nodes, and the fixing nodes are connecting points of the supporting frame and the side wall of the inspection well, and the connecting mode is welding, bonding or expansion screw fixing; the bottom of the supporting frame is provided with a frame base, the frame base is arranged at the bottom of the inspection well, and the bottom surface of the frame base is matched with the bottom surface of the inspection well.
Further, the driving chain wheel is positioned at the top of the supporting frame, and the driven pulley is positioned at the bottom of the supporting frame; the tooth distance of the driving chain wheel is 2-5cm, and the tooth thickness is 1.5-5cm; the width of the wheel groove of the driven pulley is 4-6cm, and the depth of the wheel groove is 6-10cm; the wheel surfaces of the driving chain wheel and the driven pulley are positioned on the same plane with the axis of the drainage pipeline.
Further, the suspension bracket comprises a bracket body and a hook connected with the bracket body, wherein the hook penetrates through a pin shaft of the chain so as to connect the bracket body with the chain, the bracket body is in a stacked frame shape and comprises an upper frame plate, a lower frame plate and a vertical rod for connecting the upper frame plate and the lower frame plate, and the bracket body is made of an insulating material; slots are arranged in the upper frame plate and the lower frame plate, and are made of insulating materials and used for being inserted into a grounding electrode and a high-voltage pulse electrode of the ion generator.
Further, the number of the hooks is 2 or more so as to limit the axial displacement of the suspension bracket in the drainage pipeline; the upper part of the hook is a hook, the lower part of the hook is a connecting rod connected with the frame body, and the connecting rod needs to have a certain length so that the hanging bracket can smoothly pass through a right-angle bent position when moving along with the chain; the electrode plate of the grounding electrode and the high-voltage pulse electrode is in the form of a needle-needle type, a multi-needle type, a wire-wire type, a plate-plate type, a wire-plate type or a wire-cylinder type; the distance between the grounding electrode and the polar plate of the high-voltage pulse electrode is 0.5-10cm; the multistage high-voltage pulse power supply is arranged on the ground outside the inspection well, the range of the pulse voltage which can be supplied is 10-100kV, and the range of the pulse current frequency is 10-100Hz.
The application method of the ion body in-situ purification device suitable for the drainage system is characterized in that,
the method comprises
Step one: sewage in the drainage pipeline is drained in advance, and the concentration of inflammable and harmful gases in the inspection well and the drainage pipeline is ensured to be in a safe range, so that operators can enter the inspection well to operate;
step two: a chain type guide rail is arranged in the inspection well and comprises a driving chain wheel, a driven pulley and a chain matched with the driving chain wheel and the driven pulley;
step three: fixing a single or a plurality of suspension brackets to the chain;
step four: correspondingly mounting an ion generator on a suspension bracket, and mounting a multi-stage high-voltage pulse power supply on the ground outside the inspection well, wherein the multi-stage high-voltage pulse power supply is used for providing high-voltage pulse currents with different pulse voltages and pulse frequencies for the ion generator;
step five: the motor drives the driving sprocket to rotate, and then the chain is driven, so that the suspension bracket is conveyed into the drainage pipeline;
step six: the water drain pipeline normally feeds water;
and (3) an operation stage:
step one: according to the water quality characteristics and the purification requirements of the drainage pipeline, a multi-stage high-voltage pulse power supply is started to supply power to the ion generator and regulate and control pulse voltage and pulse frequency;
step two: the ion generator performs in-situ purification on the drainage pipeline by adjusting the distance between polar plates, pulse voltage and pulse frequency, so as to realize corresponding purification effect;
and (3) overhauling:
step one: the motor reversely rotates the driving chain wheel, so that the ion generator to be overhauled is conveyed out to the top of the inspection well along with the chain;
step two: detaching the ion generator from the suspension bracket, and overhauling and cleaning the ion generator;
step three: the ion generator is re-fixed on the suspension bracket, and the driving chain wheel is rotated by the motor, so that the overhauled ion generator is conveyed into the drainage pipeline along with the chain, and finally the ion generator is started.
In the second step of the operation stage, when the distance between the polar plates is 0.5-2cm, the pulse voltage is 60-100kV, and the pulse frequency is 60-100Hz, the ion generator mainly realizes the degradation of organic matters in the sewage by generating hydroxyl free radicals; when the distance between the polar plates is 2-5cm, the pulse voltage is 30-60kV, and the pulse frequency is 30-60Hz, the ionizer mainly promotes the dissolution of the grease substances in the sewage through the ultrasonic effect; when the distance between the polar plates is 5-10cm, the pulse voltage is 10-30kV, and the pulse frequency is 10-30Hz, the ionizer mainly realizes the disinfection and sterilization of sewage by the ultraviolet effect
The chain type guide rail comprises a bearing frame, wherein the bearing frame is provided with a driving chain wheel, a driven pulley and a chain matched with the driving chain wheel, the wheel surfaces of the driving chain wheel and the driven pulley are positioned on the same plane with the axis of the drainage pipeline, a motor is connected with the driving chain wheel and used for driving the driving chain wheel to rotate so as to drive the chain to move, the driven pulley is provided with a wheel groove, the chain groove of the chain is meshed with the gear teeth of the driving chain wheel, and the outer side of the chain is clamped with the wheel groove of the driven pulley; the installation mode of the chain type guide rail is one of the following two modes:
firstly, a supporting frame, fixing nodes, a frame base, a driving chain wheel and a driven pulley are all arranged in an inspection well, so that a chain is in a double-strand U-shaped structure;
and secondly, a part of the bearing frame and the driving chain wheel are arranged above the inspection well, and the fixed node, the frame base and the driven pulley are arranged in the inspection well, so that the chain is of a single-strand mouth-shaped structure.
The invention fully utilizes the inner space of the inspection well and the drainage pipeline, realizes the transportation and arrangement of the ion generator in the drainage pipeline through the exquisite design of the chain type guide rail and the suspension bracket, and realizes the multifunctional purification of the drainage pipeline through the multiple physical and chemical effects of the ion body under the regulation and control of the multi-stage high-voltage pulse power supply.
Compared with the prior art in the same field, the invention has the remarkable characteristics that:
1. has strong applicability
The system aims at the problem of in-situ purification of the drainage pipeline, and can adapt to in-situ purification of drainage pipelines of different forms through reasonable layout of chain guide rails, suspension brackets, ion generators and multi-stage high-voltage pulse power supplies.
2. Easy to implement
The existing spaces of the inspection well and the drainage pipeline are fully utilized to carry out simple reconstruction, engineering measures are few, investment scale is small, and the method is easy to implement and popularize.
3. Multiple functions
The multifunctional in-situ purification of the drainage pipeline can be realized through the free combination or combined effect of the multiple effects of sewage organic matter degradation, ultrasonic wave promotion of grease substance dissolution, ultraviolet disinfection, sterilization and the like of the isothermal plasma generator.
4. Flexible operation:
through the design of chain guide rail and suspension type support, can conveniently realize transporting the ion generator from the inspection shaft to the drainage pipe inside when the system starts to transport the ion generator from the drainage pipe to the inspection shaft outside when overhauling.
5. Has remarkable effect
The efficient in-situ purification of sewage in the drainage pipeline can be realized through the physical and chemical effects of hydroxyl oxidation, ultrasonic effect, ultraviolet irradiation and the like of the ion body under the regulation and control of the multistage high-voltage pulse power supply.
Drawings
Fig. 1 is a front view of an ion body in-situ purification device (a chain type guide rail is installed according to a U-shaped structure) suitable for a drainage system.
Fig. 2 is a front view of an ion body in-situ purification device (a chain type guide rail is installed according to a 'mouth shape' structure) suitable for a drainage system.
Fig. 3 is a front view of a chain guide in the system of the present invention (the chain guide is mounted in a "U" configuration).
Fig. 4 is a front view of a chain guide in the system of the present invention (the chain guide is mounted in a "mouth-shaped" configuration).
Fig. 5 is a front view of a hanging bracket with an ionizer nested in the system of this invention.
Fig. 6 is a side view of fig. 5.
The numbering in the figures means:
1-chain guide rails, 11-supporting frames, 12-fixed nodes, 13-frame bases, 14-driving chain wheels, 15-driven pulleys, 16-chains and 17-motors;
2-hanging brackets, 21-hooks, 22-frame bodies, 23-reserved parts, 24-counterweights and 25-lateral telescopic wheels;
3-ion body generator, 31-grounding electrode, 32-high voltage pulse electrode;
4-a multistage high-voltage pulse power supply;
5-ground;
6-an inspection well;
7-sewage;
8-drainage pipeline.
Detailed Description
The invention will be described in further detail with reference to the following specific examples and drawings. The procedures, conditions, experimental methods, etc. for carrying out the present invention are common knowledge and common knowledge in the art, except for the following specific references, and the present invention is not particularly limited.
The ion body in-situ purification device suitable for a drainage system is characterized in that a chain type guide rail 1 is arranged in an inspection well 6 and a drainage pipeline 8, an ion body generator 3 is embedded in a suspension type support 2, a single or a plurality of suspension type supports 2 are suspended on the chain type guide rail 1, and the ion body in-situ purification device moves in the inspection well 6 and the drainage pipeline 8 along the chain type guide rail 1 for in-situ water quality purification of the drainage pipeline 8; the ground 5 outside the inspection well 6 is provided with a multi-stage high-voltage pulse power supply 4 for supplying high-voltage pulse current to the ion generator 3.
The chain type guide rail comprises a bearing frame 11, a driving sprocket 14, a driven pulley 15 and a chain 16 matched with the driving sprocket 14 and the driven pulley 15 are mounted on the bearing frame, the wheel surfaces of the driving sprocket 14 and the driven pulley 15 are located on the same plane with the axis of the drainage pipeline 8, a motor 17 is connected with the driving sprocket 14 and used for driving the driving sprocket to rotate so as to drive the chain 16 to move, the driven pulley 15 is provided with a wheel groove, the chain groove of the chain 16 is meshed with the gear teeth of the driving sprocket 15, and the outer side of the chain 16 is clamped with the wheel groove of the driven pulley 15. The side walls of the supporting frame 11 and the inspection well 6 are provided with fixing nodes 12, and the fixing nodes 12 are connecting points 12 of the side walls of the supporting frame 11 and the inspection well 6, and the connecting mode is welding, bonding or expansion screw fixing; the bottom of the supporting frame 11 is provided with a frame base 13, the frame base 13 is arranged at the bottom of the inspection well 6, and the bottom surface of the frame base 13 is matched with the bottom surface of the inspection well 6. The driving chain wheel 14 is positioned at the top of the supporting frame 11, and the driven pulley 15 is positioned at the bottom of the supporting frame 11; the tooth distance of the driving sprocket 14 is 5cm, and the tooth thickness is 5cm; the width of the wheel groove of the driven pulley 15 is 4-6cm, and the depth of the wheel groove is 10cm; the surfaces of the driving sprocket 14 and the driven pulley 15 are positioned on the same plane with the axis of the drainage pipeline 8.
The installation modes of the chain type guide rail are two:
firstly, as shown in fig. 3, the supporting frame 11, the fixing node 12, the frame base 13, the driving sprocket 14 and the driven pulley 15 are all arranged in the inspection well 6, so that the chain 16 is in a double-strand U-shaped structure;
as shown in fig. 4, a part of the supporting frame 11 and the driving sprocket 14 are installed above the manhole 6, and the fixing node 12, the frame base 13 and the driven pulley 15 are installed in the manhole 6, so that the chain 16 has a single-strand mouth structure.
The suspension bracket 2 comprises a bracket body and a hook 21 connected with the bracket body 22, wherein the hook 22 penetrates through a pin shaft of the chain 16 so as to connect the bracket body with the chain 16, the bracket body 22 is in a stacked frame shape and comprises an upper frame plate, a lower frame plate and a vertical rod connected with the upper frame plate and the lower frame plate, and the bracket body 22 is made of an insulating material; slots 23 are formed in the upper and lower frame plates, and are made of insulating material, and are used for inserting a grounding electrode 31 and a high-voltage pulse electrode 32 of the ion generator.
The electrode plate of the grounding electrode 31 and the high-voltage pulse electrode 32 is in the form of a multi-needle-plate type; the distance between the grounding electrode and the polar plate of the high-voltage pulse electrode is 10cm; the multistage high-voltage pulse power supply is arranged on the ground outside the inspection well, the range of the pulse voltage which can be supplied is 100kV, and the frequency range of the pulse current is 100Hz.
The number of the hooks 21 is 2 or more to limit the axial displacement of the suspension bracket 2 in the drainage pipeline 8; the upper part of the hook 21 is a hook, and the lower part is a connecting rod connected with the frame body 22, and the connecting rod needs to have a certain length so that the suspension bracket can smoothly pass through a right angle bend when moving along with the chain.
The application method of the ion body in-situ purification device suitable for the drainage system is characterized in that,
the method comprises
Step one: the sewage 7 in the drainage pipeline 8 is emptied in advance, and the concentration of inflammable and harmful gases in the inspection well 6 and the drainage pipeline 8 is ensured to be in a safe range, so that operators can enter the inspection well 6 to operate;
step two: a chain type guide rail 1 is arranged in the inspection well 6, and the chain type guide rail 1 comprises a driving chain wheel 14, a driven pulley 15 and a chain 16 matched with the driving chain wheel;
step three: fixing the single or multiple suspension brackets 2 to the chain 16;
step four: correspondingly mounting an ion generator 3 on a suspension bracket 2, and mounting a multi-stage high-voltage pulse power supply 4 on the ground 5 outside the inspection well, wherein the multi-stage high-voltage pulse power supply is used for providing high-voltage pulse currents with different pulse voltages and pulse frequencies for the ion generator 3;
step five: the motor 17 drives the driving sprocket 14 to rotate, and then the chain 16 is driven, so that the hanging bracket 2 is conveyed into the drainage pipeline 8;
step six: the water drain pipeline 8 is normally used for water inflow;
and (3) an operation stage:
step one: according to the water quality characteristics and the purification requirements of the drainage pipeline 8, a multi-stage high-voltage pulse power supply 4 is started to supply power to the ion generator 3 and regulate and control pulse voltage and pulse frequency;
step two: the ion generator 3 performs in-situ purification on the drainage pipeline 8 by adjusting the distance between polar plates, pulse voltage and pulse frequency, so as to realize corresponding purification effect;
and (3) overhauling:
step one: the driving sprocket 14 is reversely rotated by the motor 17, so that the ion generator 3 to be overhauled is conveyed out to the top of the inspection well along with the chain;
step two: the ion generator 3 is detached from the suspension bracket 2, and the ion generator 3 is overhauled and cleaned;
step three: the ion generator 3 is fixed on the hanging bracket 2 again, and the driving sprocket 14 is rotated by the motor 17, so that the overhauled ion generator 3 is conveyed into the drainage pipeline 8 along with the chain, and finally the ion generator 3 is started.
In the second step of the operation stage, when the distance between the polar plates is 0.5-2cm, the pulse voltage is 60-100kV, and the pulse frequency is 60-100Hz, the ion generator 3 mainly realizes the degradation of organic matters in the sewage by generating hydroxyl free radicals; when the distance between the polar plates is 2-5cm, the pulse voltage is 30-60kV, and the pulse frequency is 30-60Hz, the ionizer 3 mainly promotes the dissolution of the grease substances in the sewage through the ultrasonic effect; when the distance between the polar plates is 5-10cm, the pulse voltage is 10-30kV, and the pulse frequency is 10-30Hz, the ionizer 3 mainly realizes the disinfection and sterilization of sewage through the ultraviolet effect. Therefore, the polar plate distance, the pulse voltage and the pulse frequency can be adjusted according to the detected pollutant type in the drainage pipeline 8 so as to realize the multifunctional in-situ purification of the drainage pipeline 8. Or the plurality of hanging brackets 2 are provided with different polar plate distances and different pulse voltages and pulse frequencies are provided, so that the plasma generators 3 in the plurality of hanging brackets 2 can realize multi-functional water quality purification.
The practical effect according to the implementation of the embodiment shows that after the drainage pipeline 8 acted by the system continuously runs for 12 hours through the ion body generator 3, the COD of sewage in the inspection well at the downstream thereof Cr The concentration is reduced by 91.3 percent compared with an upstream inspection well, and the microorganism inactivation rate reaches 86.2 percent.
The protection of the present invention is not limited to the above embodiments. Variations and advantages that would occur to one skilled in the art are included in the invention without departing from the spirit and scope of the inventive concept, and the scope of the invention is defined by the appended claims.
Claims (4)
1. Ion body normal position purifier suitable for drainage system, its characterized in that
Installing chain guide rails in the inspection well and the drainage pipeline, embedding the ion generator in the suspension type brackets, suspending the single or a plurality of suspension type brackets on the chain guide rails, and moving along the chain guide rails in the inspection well and the drainage pipeline for purifying water quality in situ of the drainage pipeline; the ground outside the inspection well is provided with a multi-stage high-voltage pulse power supply for providing high-voltage pulse current for the ion generator, the chain type guide rail comprises a bearing frame, the bearing frame is provided with a driving sprocket, a driven pulley and a chain matched with the driving sprocket and the driven pulley, the wheel surfaces of the driving sprocket and the driven pulley are all positioned on the same plane with the axis of the drainage pipeline, a motor is connected with the driving sprocket and is used for driving the driving sprocket to rotate so as to drive the chain to move, the driven pulley is provided with a wheel groove, the wheel groove of the chain is meshed with the gear tooth of the driving sprocket, and the outer side of the chain is clamped with the wheel groove of the driven pulley;
the suspension type bracket comprises a bracket body and a hook connected with the bracket body, wherein the hook penetrates through a pin shaft of the chain so as to connect the bracket body with the chain, the bracket body is in a stacked frame shape and comprises an upper frame plate, a lower frame plate and a vertical rod for connecting the upper frame plate and the lower frame plate, and the bracket body is made of an insulating material; slots are arranged in the upper frame plate and the lower frame plate, are made of insulating materials, and are used for being inserted into a grounding electrode and a high-voltage pulse electrode of the ion generator;
the number of the hooks is 2 or more so as to limit the axial displacement of the suspension bracket in the drainage pipeline; the upper part of the hook is a hook, the lower part of the hook is a connecting rod connected with the frame body, and the connecting rod needs to be of a certain length, so that the suspension bracket can smoothly pass through a right-angle bent position when moving along with the chain.
2. The ion in situ purification apparatus for a drainage system of claim 1, wherein the drive sprocket is positioned at a top portion of the support frame and the driven pulley is positioned at a bottom portion of the support frame; the tooth pitch of the driving sprocket is 2-5cm, and the tooth thickness is 1.5-5cm; the width of the groove of the driven pulley is 4-6cm, and the depth of the groove is 6-10 cm.
3. The ion in situ purification apparatus for a drainage system of claim 1, wherein the plates of the ground electrode and the high voltage pulse electrode are in the form of needle-needle, multi-needle-plate, wire-wire, plate-plate, wire-plate, or wire-cylinder; the pole plate distance between the grounding electrode and the high-voltage pulse electrode is 0.5-10cm; the multistage high-voltage pulse power supply is arranged on the ground outside the inspection well, the range of the pulse voltage which can be supplied is 10-100kV, and the range of the pulse current frequency is 10-100Hz.
4. The application method of the ion body in-situ purification device suitable for the drainage system is characterized in that,
the method comprises
Step one: sewage in the drainage pipeline is drained in advance, and the concentration of inflammable and harmful gases in the inspection well and the drainage pipeline is ensured to be in a safe range, so that operators can enter the inspection well to operate;
step two: the inspection well is internally provided with a chain type guide rail, the chain type guide rail comprises a driving sprocket, a driven pulley and a chain matched with the driving sprocket, the driven pulley and the chain matched with the driven pulley, the supporting frame is provided with the driving sprocket, the driven pulley and the chain matched with the driving sprocket, the wheel surfaces of the driving sprocket and the driven pulley are all positioned on the same plane with the axis of the drainage pipeline, a motor is connected with the driving sprocket and is used for driving the driving sprocket to rotate so as to drive the chain to move, the driven pulley is provided with a wheel groove, the wheel groove of the chain is meshed with the gear teeth of the driving sprocket, and the outer side of the chain is clamped with the wheel groove of the driven pulley;
step three: fixing a single or a plurality of suspension brackets to the chain;
step four: correspondingly mounting an ion generator on a suspension bracket, and mounting a multi-stage high-voltage pulse power supply on the ground outside the inspection well, wherein the multi-stage high-voltage pulse power supply is used for providing high-voltage pulse currents with different pulse voltages and pulse frequencies for the ion generator;
step five: the motor drives the driving sprocket to rotate, and then the chain is driven, so that the suspension bracket is conveyed into the drainage pipeline;
step six: the water drain pipeline normally feeds water;
and (3) an operation stage:
step one: according to the water quality characteristics and the purification requirements of the drainage pipeline, a multi-stage high-voltage pulse power supply is started to supply power to the ion generator and regulate and control pulse voltage and pulse frequency;
step two: the ion generator performs in-situ purification on the drainage pipeline by adjusting the distance between polar plates, pulse voltage and pulse frequency, so as to realize corresponding purification effect;
and (3) overhauling:
step one: the motor reversely rotates the driving chain wheel, so that the ion generator to be overhauled is conveyed out to the top of the inspection well along with the chain;
step two: detaching the ion generator from the suspension bracket, and overhauling and cleaning the ion generator;
step three: the ion generator is re-fixed on the suspension bracket, and the driving chain wheel is rotated by the motor, so that the overhauled ion generator is conveyed into the drainage pipeline along with the chain, and finally the ion generator is started;
the hanging bracket comprises a bracket body and a hook connected with the bracket body, wherein the hook penetrates through a pin shaft of the chain so as to connect the bracket body with the chain, the bracket body is in a stacked frame shape and comprises an upper frame plate, a lower frame plate and a vertical rod for connecting the upper frame plate and the lower frame plate, and the bracket body is made of an insulating material; slots are arranged in the upper frame plate and the lower frame plate, and are made of insulating materials and used for being inserted into a grounding electrode and a high-voltage pulse electrode of the ion generator.
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