CN102805997B - A kind of exhaust treatment system - Google Patents
A kind of exhaust treatment system Download PDFInfo
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- CN102805997B CN102805997B CN201210303137.5A CN201210303137A CN102805997B CN 102805997 B CN102805997 B CN 102805997B CN 201210303137 A CN201210303137 A CN 201210303137A CN 102805997 B CN102805997 B CN 102805997B
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Abstract
The present embodiments relate to a kind of environmental pollution treatment technology, particularly relate to the processing system of a kind of waste gas.Gas sampling pipe is connected with the access road of cyclonic spray tower, the waste gas collected is entered cyclonic spray tower through gas sampling pipe by access road, access road is provided with shower nozzle, at waste gas through access road shower nozzle shower water, the side that cyclonic spray tower is relative with access road is provided with buffer channel, cyclonic spray tower top is provided with outlet passageway and the entrance with high-frequency impulse discharger is connected, high-frequency impulse discharger is entered through outlet passageway via the waste gas of cyclonic spray tower, high-frequency impulse discharger includes the discharge tube of multiple unified power supply, a cooling tube is put inside each discharge tube, discharge tube outer wall is wound with electric wire, waste gas enters the passage between discharge tube and cooling tube after entering high-frequency impulse discharger, waste gas enters buffer channel after discharging from high-frequency impulse discharger and enters air through drainage screen.
Description
Technical field
The present embodiments relate to a kind of environmental pollution treatment technology, particularly relate to a kind of waste gas
Processing system.
Background technology
Along with society and industrial development, increasing waste gas generates, and causes environment
Destroy.The protection of entire society's the most increasingly concern for the environment and the quality of air.The most a large amount of works
Industry field all can produce organic exhaust gas.The main methods of organic exhaust gas includes absorption, catalysis
Oxidation etc..Wherein absorption method is to utilize porous solid adsorbent organic component, reaches
The purpose separated, but owing to the absorbability of adsorbent can only process the organic exhaust gas of low concentration,
And also needing to frequent replacing adsorbent, cost is high, and adsorbent then can become secondary pollution.
Catalytic oxidation is made by the effect of catalyst and realizes making in waste gas under conditions of appropriateness is heated
Organic component exhaustive oxidation decompose.But the industrial requirements of the method is strict, if containing in waste gas
Have an impact catalyst life or the dust for the treatment of effeciency or make the composition of catalyst poisoning, energy
Reduce treatment effeciency and also catalyst costs is high.
Summary of the invention
The open a kind of exhaust treatment system of the embodiment of the present invention, the method using high-frequency impulse electric discharge
Carrying out exhaust-gas treatment, and pending waste gas carries out spraying pretreatment, this system composition is simple,
And discharge tube is powered simultaneously.
Exhaust treatment system, including:
Gas sampling pipe, cyclonic spray tower, high-frequency impulse discharger, buffering pipe and filter screen；
Described gas sampling pipe is connected with the access road of described cyclonic spray tower, the waste gas of collection
Through described gas sampling pipe by described access road enter described cyclonic spray tower, described enter
Mouth passage is provided with shower nozzle, at waste gas through described access road described shower nozzle shower water, institute
State the cyclonic spray tower side relative with described access road and be provided with buffer channel, described buffering
Passage is extended with during buffering waste gas entrance spray column pair to middle part by described cyclonic spray tower sidewall
The impact of tower wall, described cyclonic spray tower top is provided with outlet passageway and puts with described high-frequency impulse
The entrance of electrical equipment connects, and enters through described outlet passageway via the waste gas of described cyclonic spray tower
Described high-frequency impulse discharger, described high-frequency impulse discharger includes putting of multiple unified power supply
Fulgurite, puts a cooling tube inside each described discharge tube, discharge tube outer wall is wound with electric wire,
Waste gas enters leading between discharge tube and described cooling tube after entering described high-frequency impulse discharger
Road, when described high-frequency impulse electric discharge after the passage that waste gas enters between discharge tube and described cooling tube
Device starts, and after discharge lines electric discharge, the internal ozone that produces of waste gas is with the pollutant in oxidation gaseous effluent, useless
Gas enters separator tube after described high-frequency impulse discharger is discharged and enters through described drainage screen
Air.
The exhaust treatment system that the embodiment of the present invention is provided, uses high-frequency impulse to discharge to waste gas
Process, so that the internal ozone of strong oxidation that oneself produces of waste gas is to decompose wherein
Harmful substance, it is not necessary to other catalyst adhesive agent etc. has saved cost, and discharge tube
Centralized and unified power supply can use large power supply, it is possible to eliminates the interference between each discharge tube.
Further, owing to waste gas is processed in the passage entered between discharge tube and cooling tube, waste gas is not
The life-span that direct contact discharge pole also extends discharge tube is avoided by the composition corrosion etc. in waste gas.
It is additionally arranged buffer channel in the present system and enables in waste gas the oxidation gaseous effluent of harmful gas more
Fully, the effect of purification is further increased.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, below
By the accompanying drawing used required in embodiment or description of the prior art is briefly described, aobvious
And easy insight, the accompanying drawing in describing below is some embodiments of the present invention, general for this area
From the point of view of logical technical staff, on the premise of not paying creative work, it is also possible to according to these
Accompanying drawing obtains other accompanying drawing.
Fig. 1 is the schematic diagram of one embodiment of the invention exhaust treatment system.
Fig. 2 is the schematic diagram of another embodiment of the present invention exhaust treatment system.
Detailed description of the invention
For making the purpose of the embodiment of the present invention, technical scheme and advantage clearer, below will knot
Close the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear,
Be fully described by, it is clear that described embodiment be a part of embodiment of the present invention rather than
Whole embodiments.
The embodiment of the present invention provides the exhaust-gas treatment that a kind of spray combines with high-frequency impulse electric discharge
System.Also the method that refer to utilize plasma discharge to purify waste gas in some documents, but
Being all that each discharge tube is individually powered, energy consumption is high, and has mutual interference between each discharge tube,
And the high temperature brought due to electric discharge makes clean-up effect be affected.Existing discharge tube is direct
With exhaust gas contact so that the composition during discharge electrode the most easily goes out of use is corroded.Native system is first
Waste gas is sprayed, the large granular impurity therein of removal, also can make electric discharge decomposition have
During pest matter, effect further improves.
Refering to Fig. 1, the schematic diagram of embodiment of the present invention exhaust treatment system.Implement in the present invention
Exhaust treatment system in specifically include that gas sampling pipe 10, cyclonic spray tower 11, high frequency
Surge gap 12, separator tube 13 and filter screen.
Gas sampling pipe 10 is connected with the access road of described cyclonic spray tower 11, giving up of collection
Gas is entered described cyclonic spray tower 11 through described gas sampling pipe 10 by described access road,
Described access road is provided with shower nozzle 101, at waste gas through the described spray of described access road
101 shower waters, the side that described cyclonic spray tower 11 is relative with described access road is arranged
Have buffer channel 1104, described buffer channel by described cyclonic spray tower 11 sidewall in the middle part of tower
Extend impact to tower wall when entering spray column with buffering waste gas.Water is solid with the bulky grain in waste gas
Body impurity is fully contacted, and is more conducive to the precipitation at cyclonic spray tower 11.Described cyclonic spray tower
11 tops are provided with outlet passageway 1102 and the entrance with described high-frequency impulse discharger 12 is connected,
Described high-frequency impulse is entered through described outlet passageway via the waste gas of described cyclonic spray tower 11
Discharger 12, described high-frequency impulse discharger 12 includes the discharge tube of multiple same power supply
1206, each described discharge tube 1206 is internal puts a cooling tube 1208, and waste gas enters described
Leading between discharge tube 1206 and described cooling tube 1208 is entered after high-frequency impulse discharger 12
Road, when described height after the passage that waste gas enters between discharge tube 1206 and described cooling tube 1208
Frequently surge gap 12 starts, and after electric discharge, the internal ozone that produces of waste gas is with the dirt in oxidation gaseous effluent
Dye thing, waste gas enters separator tube 13 through described after described high-frequency impulse discharger 12 is discharged
Drainage screen enters air.
Above-mentioned exhaust treatment system, uses high-frequency impulse electric discharge to process waste gas, can make
Obtain the ozone of oneself generation strong oxidation inside waste gas, to decompose harmful substance therein, to be not required to
Other catalyst adhesive agent etc. is wanted to save cost, and the centralized and unified confession of discharge tube 1206
Electricity can use large power supply, it is possible to eliminates the interference between each discharge tube 1206.Enter one
Step, owing to waste gas is processed in the passage entered between discharge tube 1206 and cooling tube 1208,
Waste gas is not directly contacted with discharge electrode and also extends life-span of discharge tube 1206 and avoid by waste gas
Composition corrosion etc..And also add cooling tube 1208 in the present embodiment so that high frequency arteries and veins
Temperature in impulse electricity device 12 will not be too high.It is additionally arranged buffer channel in the present system can make
Obtain the oxidation gaseous effluent of harmful gas in waste gas more abundant, further increase the effect of purification.
Providing further embodiment, exhaust treatment system can also include a water pump 21,
It is connected with a water collector 22 in the bottom of cyclonic spray tower 11, the water of shower nozzle 101 ejection
The cyclonic spray tower 11 bottom to spray column is entered with waste gas after being fully contacted.Water collector 22 with
After spray column UNICOM, water is also into water collector 22, and water pump uses upper hose by water collector 22
Water is extracted into shower nozzle 101 and enables to water and can recycle, it is also possible to avoid the water in spray column
Position is increased always.One can also be arranged in cyclonic spray tower 11 to tilt to water collector 22
Drainage screen, drainage screen is low in water collector 22 side, and relative side is high.Fall at drainage screen
On bulky grain solid impurity collected by drainage screen, spray water effect under flow to water collector
22 so that solid impurity major part all enters water collector 22, it is simple to follow-up impurity is removed.
Being also provided with the second drainage screen between water collector 22 and spray column, the height of the second drainage screen is
At the bottom of water collector 22 to the first drainage screen.In practice, water collector 22 to be kept
The water yield, with the mode of water seal ensure in cyclonic spray tower 11 discarded will not be from water collector 22
Discharge.In the enforcement adding the first drainage screen, the filling pipe end of circulation can be arranged on
The bottom of spray column.
Further, in force, the outlet passageway of cyclonic spray tower 11 extends from top down,
The degree of depth of its port is less than access road, and such waste gas can in cyclonic spray tower 11 fully
Convolution so that oarse-grained solid impurity precipitates.Preferably a kind of mode is logical by giving vent to anger
Road extends at distance spray column top 1/3rd.
Further, in being embodied as, high-frequency impulse discharger 12 includes gas collection storehouse 1202
With discharging bin 1204, waste gas is logical via giving vent to anger described in the waste gas process of described cyclonic spray tower 11
Road enters described gas collection storehouse 1202, subsequently into discharging bin 1204, arranges in discharging bin 1204
There is high-frequency impulse discharger 12, high-frequency impulse discharger 12 is provided with discharge tube 1206.Electric discharge
Pipe 1206 outer layer is a discharge glass tube, has metal cooling-pipe 1208 inside this discharge glass tube,
Passage between discharge tube 1206 and cooling tube 1208 is all opened on described gas collection storehouse 1202,
Waste gas enters via gas collection storehouse 1202 and states between discharge tube 1206 and described cooling tube 1208
Passage, cooling tube 1208 causes outside gas collection storehouse 1202 wearing gas collection storehouse 1202, and the other end is then
Pass discharging bin 1204 equally, form a cooling passing through whole high-frequency impulse discharger 12
Passage, is free in refrigerator pipe add cooling medium and can select circulation side flexibly
Formula.Or be cooling tube 1208 be U row, a cooling tube 1208 is enclosed within two discharge tubes
In 1206, side, gas collection storehouse 1202 completely encloses, and two discharge tubes 1206 are U-shaped
Crook opening, forms the passage between discharge tube 1206 and described cooling tube 1208, and cools down
Pipe 1208 other end then passes high-frequency impulse discharger 12, forms cooling duct.Cooling duct
Cooling duct for closed circulation thinks that waste gas is lowered the temperature.
In the enforcement that another is concrete, receive waste gas gas collection storehouse 1202 at discharging bin 1204 and set
It is equipped with two air collecting chambers, two separate closings in gas collection storehouse 1202.The entrance of waste gas is arranged
At the first air collecting chamber top, the first air collecting chamber is used for accommodating being processed by cyclonic spray tower 11
Waste gas, the passage between discharge tube 1206 and cooling tube 1208 is the most all opened on described first
Gas collection storehouse 1202 so that waste gas enters between discharge tube 1206 and cooling tube 1208 freely
Passage.Second air collecting chamber open top is in air, it is also possible to increases a pipeline and injects inwards
The air of pressurization or cold air, cooling tube 1208 extends to the second air collecting chamber, and at the second collection
Air cavity split shed so that it is logical that the air of the second air collecting chamber or cold air can enter cooling freely
Road.
Or, for above-mentioned various modes, can have at the other end of discharging bin 1204
Another gas collection storehouse 1202, thus discharge tube 1206 and cooling tube 1208 be all opened on separately
One gas collection storehouse 1202, waste gas that collection processed and cooling gas.Owing to cooling gas is
Clean gas can directly be discharged with the waste gas processed.And also waste gas can be reduced further
Concentration.
Concrete, the other end of cooling tube 1208 can with air contact, by air blast or
The modes such as pressurization make air constantly circulate in cooling tube 1208.Can also set at the other end
Put compressor or refrigerating plant makes in cooling tube 1208 other to return to the other end be energy
Enough lowered the temperature, had more preferable cooling effect.
Discharge glass tube outer wall is wound around discharge lines, power supply unified for each discharge tube 1206
With control point mode, can be tandem to power line after each discharge lines, unification be received
The power supply of described high-frequency impulse discharger 12, power supply and power-supply controller of electric can hang over discharging bin
The side of 1204.Low-temperature plasma can be carried out by high-frequency impulse discharger 12 in force to put
Electricity, applies low-temperature plasma electricity to waste gas.Waste gas produces big via the effect of low-temperature plasma electricity
Measurer has the gases such as the ozone of strong oxidation, decomposes the harmful substance in waste gas.
The discharge frequency of high-frequency impulse discharger 12 is 3k-8kHz.Preferably mode is at 6kHz
Near.
The exhaust treatment system that the embodiment of the present invention is provided, uses high-frequency impulse to discharge to waste gas
Process, so that the internal ozone of strong oxidation that oneself produces of waste gas is to decompose wherein
Harmful substance, it is not necessary to other catalyst adhesive agent etc. has saved cost, and discharge tube
Centralized and unified power supply can use large power supply, it is possible to eliminates the interference between each discharge tube.
Further, owing to waste gas is processed in the passage entered between discharge tube and cooling tube, waste gas is not
The life-span that direct contact discharge pole also extends discharge tube is avoided by the composition corrosion etc. in waste gas.
It is additionally arranged buffer channel in the present system and enables in waste gas the oxidation gaseous effluent of harmful gas more
Fully, the effect of purification is further increased.
It is last it is noted that various embodiments above is only in order to illustrate technical scheme,
It is not intended to limit；Although the present invention being described in detail with reference to foregoing embodiments,
It will be understood by those within the art that: it still can be to described in foregoing embodiments
Technical scheme modify, or the most some or all of technical characteristic carried out equivalent replace
Change；And these amendments or replacement, do not make the essence of appropriate technical solution depart from the present invention each
The scope of embodiment technical scheme.
Claims (10)
1. an exhaust treatment system, it is characterised in that described system includes:
Gas sampling pipe, cyclonic spray tower, high-frequency impulse discharger, separator tube and filter screen；
Described gas sampling pipe is connected with the access road of described cyclonic spray tower, and the waste gas of collection is through described useless
Gas collecting pipe is entered described cyclonic spray tower by described access road, and described access road is provided with shower nozzle,
Waste gas is through described access road described shower nozzle shower water, and described cyclonic spray tower is relative with described access road
Side be provided with buffer channel, described buffer channel by described cyclonic spray tower sidewall to middle part extend with buffering
Impact to tower wall when waste gas enters spray column, described cyclonic spray tower top be provided with outlet passageway and with described height
Frequently the entrance of surge gap connects, and enters institute via the waste gas of described cyclonic spray tower through described outlet passageway
Stating high-frequency impulse discharger, described high-frequency impulse discharger includes the discharge tube of multiple unified power supply, each
Putting a cooling tube inside described discharge tube, discharge tube outer wall is wound with electric wire, and waste gas enters described high-frequency impulse and puts
Enter the passage between discharge tube and described cooling tube after electrical equipment, when waste gas enter discharge tube and described cooling tube it
Between passage after described high-frequency impulse discharger start, after discharge lines electric discharge, internal to produce ozone useless with oxidation for waste gas
Pollutant in gas, waste gas enters separator tube after described high-frequency impulse discharger is discharged and arranges through described filter screen
Enter air.
System the most according to claim 1, it is characterised in that described high-frequency impulse discharger includes
Gas collection storehouse and discharging bin, enter described gas collection via the waste gas of described cyclonic spray tower through described outlet passageway
Storehouse, subsequently into discharging bin, described discharge tube outer layer is a discharge glass tube, inside this discharge glass tube
Stating cooling tube, the passage between described discharge tube and described cooling tube is all opened on described gas collection storehouse, waste gas via
Described gas collection storehouse enters and states the passage between discharge tube and described cooling tube, and described cooling tube is isolated in gas collection storehouse
The cooling duct of closed circulation thinks that waste gas is lowered the temperature.
System the most according to claim 1 and 2, it is characterised in that described high-frequency impulse discharger bag
Include gas collection storehouse and discharging bin, enter described collection via the waste gas of described cyclonic spray tower through described outlet passageway
Gas storehouse, subsequently into discharging bin, top, described gas collection storehouse is provided with inlet channel, and waste gas sprays from described whirlwind
Tower enters gas collection storehouse after discharging, and described cooling tube extends described gas collection storehouse, and each described discharge tube all terminates in institute
Stating gas collection storehouse makes waste gas enter between discharge tube and described cooling tube after entering described high-frequency impulse discharger
Passage, injects air or cooling gas in described cooling tube.
System the most according to claim 1 and 2, it is characterised in that described high-frequency impulse discharger bag
Include gas collection storehouse and discharging bin, enter described collection via the waste gas of described cyclonic spray tower through described outlet passageway
Gas storehouse, subsequently into discharging bin, top, described gas collection storehouse is provided with inlet channel, and waste gas sprays from described whirlwind
Tower enters gas collection storehouse after discharging, and described cooling tube is U row, and a cooling tube is enclosed within two discharge tubes, collection
Side, gas storehouse completely encloses, and two discharge tubes at U-shaped crook opening and are in described gas collection storehouse, is formed
Passage between discharge tube and described cooling tube, the cooling tube other end then passes high-frequency impulse discharger, is formed cold
But passage.
System the most according to claim 1 and 2, it is characterised in that described high-frequency impulse discharger bag
Including a gas collection storehouse, described gas collection storehouse includes the first air collecting chamber and the second air collecting chamber, described first air collecting chamber and described
The second separate closing of air collecting chamber, wherein the first air collecting chamber is near described electric discharge tube side；
Described first air collecting chamber top is provided with inlet channel, and waste gas passes through collection after described cyclonic spray tower is discharged
The inlet channel in gas storehouse enters described first air collecting chamber, and described discharge tube enters institute through the sidewall of the first air collecting chamber
Stating the first air collecting chamber, described cooling tube continues to extend past the sidewall of described first air collecting chamber and the second air collecting chamber and enters
Entering the second air collecting chamber, each described discharge tube is all opened on described gas collection storehouse and makes waste gas enter described high-frequency impulse
The passage between discharge tube and described cooling tube, the equal opening of each cooling tube and described second collection is entered after discharger
Air cavity, the second air collecting chamber is provided with air inlet, air or cooling gas and enters the second air collecting chamber by air inlet
After enter each described cooling tube freely.
System the most according to claim 3, it is characterised in that described discharge tube and described cooling tube
One end open is opened on described buffer channel in described gas collection storehouse, the other end, through giving up that described discharge tube processes
Gas and the described air or the cooling gas that were utilized discharge into described buffer channel, so gas is through described filter
Net enters air.
System the most according to claim 1 and 2, it is characterised in that described system also include water pump and
UNICOM bottom water collector, described water collector and described cyclonic spray tower, described water pump is by the water in described water collector
Guide to described shower nozzle so that water is circulated use.
System the most according to claim 2, it is characterised in that described discharge glass tube outer wall is wound around and puts
Electric wire, the unified power supply receiving described high-frequency impulse discharger of the discharge lines of described discharge glass tube.
System the most according to claim 1 and 2, it is characterised in that described high-frequency impulse discharger enters
Row cold plasma discharge, applies low-temperature plasma electricity to described waste gas；The electric discharge of described high-frequency impulse discharger
Frequency is 3k-8kHz.
System the most according to claim 1 and 2, it is characterised in that described outlet passageway is from described rotation
The top down of wind spray column extends, and the degree of depth of its port is less than described access road.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303137.5A CN102805997B (en) | 2012-08-24 | 2012-08-24 | A kind of exhaust treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210303137.5A CN102805997B (en) | 2012-08-24 | 2012-08-24 | A kind of exhaust treatment system |
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| CN102805997A CN102805997A (en) | 2012-12-05 |
| CN102805997B true CN102805997B (en) | 2016-08-10 |
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| CN201210303137.5A Expired - Fee Related CN102805997B (en) | 2012-08-24 | 2012-08-24 | A kind of exhaust treatment system |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103736351A (en) * | 2014-01-13 | 2014-04-23 | 苏州克利亚环保科技有限公司 | Painting-waste-gas treating device |
| CN104984649B (en) * | 2015-06-14 | 2017-03-15 | 黄志强 | A kind of cleaning system and its control method suitable for exhaust-gas treatment |
| CN107349737A (en) * | 2017-09-04 | 2017-11-17 | 南京大学 | A kind of device of high-temperature flue gas wet dedusting purification |
| CN107694758B (en) * | 2017-11-10 | 2020-10-02 | 中国石油大学(华东) | Low low temperature is condenser tube that discharges for electrostatic precipitator |
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| JPH0919620A (en) * | 1995-07-04 | 1997-01-21 | Nippon Sanso Kk | Removal method of harmful gas |
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| CN1541749A (en) * | 2003-04-29 | 2004-11-03 | 黄清豹 | Wet method-electrostatic two-stage dust collecting desulfurizing method and device |
| CN1769161A (en) * | 2005-09-20 | 2006-05-10 | 江苏大学 | Discharge tube element which produce ozone |
| CN101716451A (en) * | 2009-12-29 | 2010-06-02 | 北京航空航天大学 | Method for removing various pollutants in fume by combining discharge plasmas and absorption |
| CN101716463A (en) * | 2010-01-05 | 2010-06-02 | 浙江大学 | Simultaneous removing device and method of various pollutants by electrocatalytical oxidation combining lime-gypsum method |
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| CN102805997A (en) | 2012-12-05 |
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