CN202272752U - Device for treating hardly-degradable organic waste water by plasma technology - Google Patents
Device for treating hardly-degradable organic waste water by plasma technology Download PDFInfo
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- CN202272752U CN202272752U CN2011202924519U CN201120292451U CN202272752U CN 202272752 U CN202272752 U CN 202272752U CN 2011202924519 U CN2011202924519 U CN 2011202924519U CN 201120292451 U CN201120292451 U CN 201120292451U CN 202272752 U CN202272752 U CN 202272752U
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- organic wastewater
- difficult degradation
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Abstract
The utility model discloses a device for treating hardly-degradable organic waste water by plasma technology, which is characterized in that the device comprises a low temperature plasma case body; a water distributing case is disposed at the side of the low temperature plasma case body; the water distributing case is communicated with the low temperature plasma case body through a water distributing pipe; the water distributing pipe comprises a water distributing main pipe and a plurality of perforating water distributing branch pipes; the perforating water distributing branch pipes transversely pass through the case body and a metal mesh is hung on the perforating water distributing branch pipes; a water collecting tank is disposed below the metal mesh in the case body; a high-voltage electrode is disposed in the case body and an interval is provided between the electrode and the metal mesh; the high-voltage electrode is connected with an external power supply. The advantages are that the land occupation is small; the device is applicable to large-scale treatment; the active free radical yield is high; and the treatment effect on hardly-degradable organic waste water is improved.
Description
Technical field
The utility model relates to a kind of organic waste-water treating apparatus, especially relates to a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby.
Background technology
Along with developing rapidly of industries such as petrochemical complex, plastics, synthon, coking, printing and dyeing; Various corresponding the increasing of waste water that contain the organic pollutant of a large amount of difficult for biological degradation; They get into water body and have caused serious pollution to environment, contain poisonous Persistent organic pollutants such as comprising polycyclic aromatic hydrocarbons, halohydrocarbon, heterocyclic compound, organic atmosphere thing, organophosphorus pesticide, tensio-active agent, organic dye in this type waste water.The common feature of these materials is that toxicity is big, and composition is complicated, and chemical oxygen demand is high, adopts conventional biology or physico-chemical purification method to handle technology and the economic requirement that is difficult to maybe can't satisfy purifying treatment.In the last few years; Some emerging wastewater processing technologies such as supercritical water oxidation method, catalytic wet air oxidation, utilize plasma technique to handle organic waste water method etc. to obtain develop rapidly; They bring new vitality in that its irreplaceable advantage is arranged aspect the treatment of high concentration organic wastewater with difficult degradation thereby to wastewater treatment.
Existingly utilize plasma technique to handle organic wastewater with difficult degradation thereby mainly to be the purpose that multifactorial Synergistic degradation effects such as the UV-light, shockwave, living radical and the high-energy electron that utilize high pressure pulse discharge to form, ultraviolet ray, ozone reach the enhancement process effect, to be that light harvesting, electricity, chemical oxidation are in the novel water technology of one.The mode of utilizing high pressure pulse discharge to handle organic waste water at present mainly contains under the liquid and level (or inclination) liquid level high pressure pulse discharge form, and wherein discharge need blast air under the liquid, and auxiliary facility is many; Level (or inclination) liquid level discharge can only be discharged by single face; Two kinds of method floor spaces are big; Can't be applicable to extensive processing, and the gases such as ozone that the liquid level discharge means produces can't utilize existence mixing inequality; Produce the dead angle, the living radical productive rate is not high, and (living radical refers to OH, HO2, O isoreactivity radical and the extremely strong O of oxidisability
3), radical causes the treatment of Organic Wastewater weak effect to shortcomings such as liquid internal diffusive migration speed are lower.
Summary of the invention
It is little that the utility model technical problem to be solved provides a kind of floor space, and applicable to extensive processing, and the plasma technique that utilizes that can improve the organic wastewater with difficult degradation thereby treatment effect is handled the device of organic wastewater with difficult degradation thereby.
The utility model solves the problems of the technologies described above the technical scheme that is adopted: a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby; Comprise the low-temperature plasma casing; The sidepiece of described low-temperature plasma casing is provided with distribution reservoir; Described distribution reservoir is communicated with said low-temperature plasma casing through water distributing pipe; Described water distributing pipe comprises distribution main and the some perforation range pipes that communicate with described distribution main that are positioned at outside the low-temperature plasma casing; Described perforation range pipe laterally runs through on described low-temperature plasma casing and the described perforation range pipe and is hung with wire cloth, and the below that is positioned at described wire cloth in the described low-temperature plasma casing is provided with water leg, is vertically arranged with high voltage terminal in the described low-temperature plasma casing; Described high voltage terminal and described wire cloth are provided with each other at interval, and described high voltage terminal is connected with outside low-temperature plasma electrical source.
Described distribution reservoir is provided with the supply tank that is used for the splendid attire organic wastewater with difficult degradation thereby, is provided with the submersible pump that is used for the organic wastewater with difficult degradation thereby in the supply tank is sent into described distribution reservoir in the described supply tank.
Described low-temperature plasma casing is divided into several cell processing districts by described wire cloth; Be respectively arranged with extraction pipe on the described low-temperature plasma casing and with each corresponding position, cell processing district; Each described extraction pipe inserts respectively in water sprayer; Described water sprayer is installed on the rising pipe of described submersible pump, and described rising pipe is communicated with described distribution reservoir.
The diameter of described perforation range pipe is less than 15mm.
Loading functional catalyzer on the described wire cloth.
Described function catalyzer is a Nano titanium dioxide.
Compared with prior art; The advantage of the utility model is: a kind of device that utilizes plasma technique to handle organic waste water of the utility model; Organic waste water forms liquid film on the wire cloth surface in this device, the liquid film surface-discharge that high voltage terminal directly forms at organic waste water, active substance (mainly referring to OH, HO2, the O isoreactivity radical) purification of organic waste water that utilizes high pressure pulse discharge to produce; Because wire cloth makes liquid film in flowing, be in turbulent state; Renewal and the surfactant that can accelerate liquid film surface are to the liquid film internal migration, thereby fast reaction speed all is fully used the energy matter of various ways such as high energy particle that low-temperature plasma discharges, ultraviolet ray; Strengthened the treatment effect of low-temperature plasma to organic waste water; The utility model adopts wire cloth to form liquid film formation plasma body collector electrode simultaneously, and the electrode arranged vertical makes full use of the space, has reduced occupation area of equipment.
Further because distribution reservoir is provided with the supply tank that is used for the splendid attire organic wastewater with difficult degradation thereby; Be provided with the submersible pump that is used for the organic wastewater with difficult degradation thereby in the supply tank is sent into distribution reservoir in the supply tank; Can directly the organic wastewater with difficult degradation thereby in the supply tank be sent into distribution reservoir through submersible pump, make this apparatus structure simpler.
Further because the low-temperature plasma casing is divided into several cell processing districts by described wire cloth; Be respectively arranged with extraction pipe on the low-temperature plasma casing and with each corresponding position, cell processing district; Each extraction pipe inserts respectively in water sprayer; Water sprayer is installed on the rising pipe of submersible pump; Rising pipe is communicated with described distribution reservoir, can the ozone that produce owing to effluve between high voltage terminal and the liquid film together be sent into distribution reservoir through the suction function and the organic wastewater with difficult degradation thereby of water sprayer, and ozone solution is gone in the organic wastewater with difficult degradation thereby; Bring into play its strong oxidizing property ability and decoloring ability, the various energy that low-temperature plasma is discharged are fully used.
Further because loading functional catalyzer on the wire cloth that adopts, the ultraviolet ray of sending in the high voltage terminal discharge capable of using catalyzer-Nano titanium dioxide of strengthening function reaches the effect of pollutent in the abundant degraded organic wastewater with difficult degradation thereby.
In sum, a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby of the utility model, it is little to have floor space; Applicable to extensive processing, the living radical productive rate is high, and diffusive migration speed is high; Improve organic waste water and give birth to the advantage of treatment effect, compare with the existing liquid level formation plasma discharge process that in liquid, reaches, auxiliary facility is few; Implement easily, go for the different scales wastewater treatment.
Description of drawings
Fig. 1 handles the three-dimensional structure diagram of the device of organic wastewater with difficult degradation thereby for the utility model utilizes plasma technique;
Fig. 2 the utility model utilizes plasma technique to handle the vertical view of the device of organic wastewater with difficult degradation thereby;
Fig. 3 is the A-A ' cross-sectional view of Fig. 2.
Embodiment
Embodiment describes in further detail the utility model below in conjunction with accompanying drawing.
Embodiment 1
A kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby of the utility model; Like Fig. 1, Fig. 2 and shown in Figure 3; Comprise low-temperature plasma casing 1, the side of this low-temperature plasma casing 1 is provided with distribution reservoir 2, and distribution reservoir 2 is communicated with low-temperature plasma casing 1 through water distributing pipe 3; Water distributing pipe 3 comprises the distribution main 31 and the some perforation range pipes 32 that communicate with distribution main 31 who is positioned at outside the low-temperature plasma casing 1; Perforation range pipe 32 laterally runs through on low-temperature plasma casing 1 and its and is hung with wire cloth 4, and the below that is positioned at wire cloth 4 in this low-temperature plasma casing 1 is provided with water leg 5, is vertically arranged with high voltage terminal 6 in the low-temperature plasma casing 1; High voltage terminal 6 is provided with wire cloth 4 each other at interval, and high voltage terminal 6 is connected with outside low-temperature plasma electrical source 7.
In this specific embodiment, distribution reservoir 2 is provided with the supply tank 8 that is used for the splendid attire organic wastewater with difficult degradation thereby, is provided with the submersible pump 9 that is used for the organic wastewater with difficult degradation thereby in the supply tank 8 is sent into distribution reservoir 2 in the supply tank 8.This low-temperature plasma casing 1 is divided into several cell processing districts 10 (as shown in Figure 2) by wire cloth 4; Be respectively arranged with extraction pipe 11 on the low-temperature plasma casing 1 and with each 10 corresponding positions, cell processing district; Each extraction pipe 11 inserts respectively in water sprayer 12; Water sprayer 12 is installed on the rising pipe 13 of submersible pump 9, and rising pipe 13 is communicated with distribution reservoir 2.
In this specific embodiment, the perforation range pipe 32 diameter less than 15mm, loading functional catalyzer on the wire cloth 4, this function catalyzer is a Nano titanium dioxide.
The technical process process
Be used to handle the high chroma dyeing waste water: dyeing waste water at first gets into supply tank 8; Get into distribution reservoir 2 through the submersible pump in the supply tank 89 again; Flow to perforation range pipe 32 through distribution main 31,, water is flowed out and on wire cloth 4, form even liquid film to flow down through the eyelet on the perforation range pipe 32; The liquid film surface-discharge that high voltage terminal 6 directly forms at the high chroma dyeing waste water; The active substance (mainly referring to OH, HO2, O isoreactivity radical) that utilizes high pressure pulse discharge to produce purifies the pollutent in the high chroma dyeing waste water, and wire cloth 4 makes liquid film in flowing, be in turbulent state, can accelerate surperficial renewal of liquid film and surfactant to the inner migration of liquid film; Thereby fast reaction speed, the high chroma dyeing waste water after the purification falls into water leg 5; High voltage terminal 6 in the low-temperature plasma casing 1 and the airborne ozone between the liquid film etc. are sent into distribution reservoir 2 through the suction function of water sprayer 12, are dissolved in the high chroma dyeing waste water, can bring into play its strong oxidizing property ability and decoloring ability.
Be used for the treating refuse percolate; Through the pretreated percolate of deposition, get in the low-temperature plasma casing 1 through distribution reservoir 2, form even liquid film through wire cloth 4 and flow down; The high pressure pulse discharge on liquid film surface makes water body produce active substance, and pollutent is destroyed decomposition; The ozone that the high energy particle oxygenolysis that the foul smell that the percolate liquid film discharges is produced between high voltage terminal 6 and the liquid film produces; Suction function through water sprayer 12 gets into distribution reservoir 2; Be dissolved into further reaction in the percolate, therefore can bring into play the sewage purification ability of low-temperature plasma deodorizing capability and ozone simultaneously.
Claims (6)
1. device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby; It is characterized in that: comprise the low-temperature plasma casing; The sidepiece of described low-temperature plasma casing is provided with distribution reservoir; Described distribution reservoir is communicated with said low-temperature plasma casing through water distributing pipe; Described water distributing pipe comprises distribution main and the some perforation range pipes that communicate with described distribution main that are positioned at outside the low-temperature plasma casing; Described perforation range pipe laterally runs through on described low-temperature plasma casing and the described perforation range pipe and is hung with wire cloth, and the below that is positioned at described wire cloth in the described low-temperature plasma casing is provided with water leg, is vertically arranged with high voltage terminal in the described low-temperature plasma casing; Described high voltage terminal and described wire cloth are provided with each other at interval, and described high voltage terminal is connected with outside low-temperature plasma electrical source.
2. a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby according to claim 1; It is characterized in that: described distribution reservoir is provided with the supply tank that is used for the splendid attire organic wastewater with difficult degradation thereby, is provided with the submersible pump that is used for the organic wastewater with difficult degradation thereby in the supply tank is sent into described distribution reservoir in the described supply tank.
3. a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby according to claim 2; It is characterized in that: described low-temperature plasma casing is divided into several cell processing districts by described wire cloth; Be respectively arranged with extraction pipe on the described low-temperature plasma casing and with each corresponding position, cell processing district; Each described extraction pipe inserts respectively in water sprayer; Described water sprayer is installed on the rising pipe of described submersible pump, and described rising pipe is communicated with described distribution reservoir.
4. a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby according to claim 1, it is characterized in that: the diameter of described perforation range pipe is less than 15mm.
5. a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby according to claim 1 is characterized in that: loading functional catalyzer on the described wire cloth.
6. a kind of device that utilizes plasma technique to handle organic wastewater with difficult degradation thereby according to claim 5, it is characterized in that: described function catalyzer is a Nano titanium dioxide.
Priority Applications (1)
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CN2011202924519U CN202272752U (en) | 2011-08-12 | 2011-08-12 | Device for treating hardly-degradable organic waste water by plasma technology |
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CN2011202924519U CN202272752U (en) | 2011-08-12 | 2011-08-12 | Device for treating hardly-degradable organic waste water by plasma technology |
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Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102351282A (en) * | 2011-08-12 | 2012-02-15 | 宁波大学 | Device and method for treating difficultly degraded organic waste water by plasma technology |
CN107998849A (en) * | 2017-12-28 | 2018-05-08 | 青岛旭日环保科技有限公司 | A kind of low temperature plasma waste gas cleaning device |
CN109896677A (en) * | 2017-12-11 | 2019-06-18 | 江苏丽港稀土材料有限公司 | Plasma and ultrasonic combined processing organic wastewater system and its method for handling waste water |
-
2011
- 2011-08-12 CN CN2011202924519U patent/CN202272752U/en not_active Expired - Fee Related
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102351282A (en) * | 2011-08-12 | 2012-02-15 | 宁波大学 | Device and method for treating difficultly degraded organic waste water by plasma technology |
CN102351282B (en) * | 2011-08-12 | 2013-04-24 | 宁波大学 | Device and method for treating difficultly degraded organic waste water by plasma technology |
CN109896677A (en) * | 2017-12-11 | 2019-06-18 | 江苏丽港稀土材料有限公司 | Plasma and ultrasonic combined processing organic wastewater system and its method for handling waste water |
CN107998849A (en) * | 2017-12-28 | 2018-05-08 | 青岛旭日环保科技有限公司 | A kind of low temperature plasma waste gas cleaning device |
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Granted publication date: 20120613 Termination date: 20140812 |
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