CN105536409A - Fog and haze treatment system - Google Patents
Fog and haze treatment system Download PDFInfo
- Publication number
- CN105536409A CN105536409A CN201610053808.5A CN201610053808A CN105536409A CN 105536409 A CN105536409 A CN 105536409A CN 201610053808 A CN201610053808 A CN 201610053808A CN 105536409 A CN105536409 A CN 105536409A
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- China
- Prior art keywords
- filtering tank
- negative electrode
- treatment system
- haze
- housed
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D50/00—Combinations of methods or devices for separating particles from gases or vapours
- B01D50/60—Combinations of devices covered by groups B01D46/00 and B01D47/00
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/60—Simultaneously removing sulfur oxides and nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/78—Liquid phase processes with gas-liquid contact
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/602—Oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/30—Sulfur compounds
- B01D2257/302—Sulfur oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/40—Nitrogen compounds
- B01D2257/404—Nitrogen oxides other than dinitrogen oxide
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Treating Waste Gases (AREA)
- Electrostatic Separation (AREA)
Abstract
The invention relates to a fog and haze treatment system which comprises a dedusting mechanism, an activated carbon filtering tank, a filtering tank filled with lime water and a filtering tank filled with sodium hydroxide; the dedusting mechanism is mainly composed of an air inlet, a filter sieve, a draught fan, a positive electrode, a negative electrode, a water injection system, a dust discharge switch, liquid feeding openings and liquid taking openings; the water injection system is mainly composed of eight spray heads and a sewage draining opening, the water injection spray heads are close to the upper end of the cathode and evenly distributed on the circumference, the sewage draining opening is formed below the cathode, all spray head control switches and sewage draining valve opening switches are controlled by the same relay, and a sensor is arranged on the cathode; the two liquid filtering tanks are arranged, each filtering tank structurally comprises a base, a gas inlet, a feeding opening, gas outlet, a partition plate and a discharging opening, the corresponding filtering tank is partitioned into two halves from the middle, and the mode that channels are arranged on the lower portion is adopted. Fog and haze gas is purified through the system, finally clean air is formed, and by means of the fog and haze treatment system, influences on the environment and health of hazy weather can be lowered.
Description
Technical field
The present invention relates to a kind of haze treatment system, is a kind of haze treatment system towards environmental protection specifically.
Background technology
Along with developing rapidly of national heavy industry, in recent years, most of China city sends the orange early warning of haze weather continuously.Haze sky not only affects the visual field of people, causes large area visibility in city on the low side, creates various unsafe factor; The more important thing is and pollute air, add the incidence of disease of respiratory tract, cardiovascular patient, the number having mass data to show the death because PM2.5 exceeds standard allows people tremble with fear.So how to alleviate haze become on the impact that people live the problem that the whole society extremely pays close attention to.
The appearance of haze is the seriously polluted of city on the one hand, and the greening in city is inadequate, and limited vegetation effectively can not absorb pollutant; On the other hand mainly because air humidity is comparatively large, air each side situation is in a saturation state, and the relative motion of air is inadequate, and finally forms haze weather.And the generation root of haze is a large amount of uses of pollution power sources, pollution power sources is coal, oil mainly, and wherein the pollution of coal is the heaviest, and in current China energy resource structure, coal accounts for more than 65%.For haze problem will be solved, just must the utilization rate of the decreasing pollution energy, such as great dynamics develops new forms of energy, utilizes the novel energy of low-carbon environment-friendly, as wind energy, solar energy, tide energy.But based on economic strength national at present and scientific and technological level, it is impossible for realizing a desirable bioenergy utilization rate, under current science and technology, the energy producing solar panels consumption is also more than the energy that can transform its service life, this does not only solve environmental problem, also create the waste of resource, so will the utilization rate of the significantly decreasing pollution energy be unlikely.So at present the reasonable effective measures of reply haze weather are exactly: in the use of the decreasing pollution energy as far as possible, greatly develop new forms of energy, and when strengthening the coverage rate of environmental protection forest, propose some directly effective schemes, purify the waste gas that factory, automobile etc. eject as much as possible.
Summary of the invention
The object of this invention is to provide a kind of machinery, haze treatment system that electronics, physics, chemistry combine, haze gas is by three layers of purification of this system, and the air of final formation clean environment firendly is a kind of practicable haze cleaning system.
To achieve these goals, technical scheme of the present invention is: provide a kind of haze treatment system, comprises dedusting mechanism, activated carbon filtration tank, the filtering tank of limewash is housed, the filtering tank of NaOH is housed; Dedusting mechanism is primarily of air inlet, sieves, blower fan, positive electrode (anode), negative electrode (negative electrode), flood pattern, dust discharge switch, filling opening, liquid taking port composition; Flood pattern is primarily of shower nozzle and sewage draining exit composition, water filling shower nozzle is near negative electrode upper end, have 8 shower nozzles and be evenly distributed on one circumferentially, sewage draining exit is positioned at the below of negative electrode, all shower nozzle gauge taps and blowdown valve port switch are by same Control, negative electrode is equipped with inductor, and flood pattern adopts PLC to control; There are two liquid filtering tanks, one is the filtering tank that limewash is housed, also having one is the filtering tank that soda lye is housed, the structure of filtering tank comprises base, air inlet, charge door, gas outlet, dividing plate, drain hole, from filtering tank spaced intermediate, be split into two halves, adopt the form having passage below.
Described system adopts the mode of water punching to remove the dust be accumulated on negative electrode.
Compared with prior art, the invention has the beneficial effects as follows: blower fan mainly plays and sucks in cleaning system by outside air, the power of blower fan blowability depends on the rotating speed of selected motor completely, motor speed is higher, blowability is stronger, so no matter this system is for large-scale haze purifying column or small-sized family's air purifier, as long as the rotating speed of choose reasonable motor just can the blowability of conservative control blower fan; Positive and negative electrode adopts special cross section to improve the contact area of air and positive and negative electrode, and then improves the degree of ionization of dusty gas and improve dust removing effects; The air polluted, by dust pelletizing system, after two filtering tanks, can remove three large main harmful components contained in haze, form clean non-harmful gas.The present invention can be used in production, life, will reduce the impact of haze weather on environment and health.
Accompanying drawing explanation
Fig. 1 is dedusting mechanism overall structure schematic diagram of the present invention.
Fig. 2 is filtering tank structural representation of the present invention.
Fig. 3 is anode schematic cross-section of the present invention.
Fig. 4 is negative electrode schematic cross-section of the present invention.
In figure: 1-air inlet, 2-sieves, 3-blower fan, 4-anode, 5-water filling shower nozzle, 6-negative electrode, 7-dust discharge switch, 8-activated carbon filtration tank, 9-limewash filtering tank, 10-NaOH filtering tank, 11-filling opening, 12-liquid taking port, 13-base, 14-air inlet, 15-charge door, 16-gas outlet, 17-dividing plate, 18-drain hole.
Detailed description of the invention
In order to describe the technology contents of haze treatment system of the present invention, structural feature in detail, coordinate accompanying drawing to be described further below in conjunction with embodiment.
As shown in Figure 1,2,3, 4, haze treatment system of the present invention comprises dedusting mechanism, activated carbon filtration tank 8, the filtering tank 9 of limewash is housed, the filtering tank 10 of NaOH is housed; Dedusting mechanism forms primarily of air inlet 1, sieves 2, blower fan 3, positive electrode (anode) 4, negative electrode (negative electrode) 6, flood pattern, dust discharge switch 7, filling opening 11, liquid taking port 12; Flood pattern is primarily of shower nozzle and sewage draining exit composition, water filling shower nozzle 5 is near negative electrode 6 upper end, have 8 shower nozzles and be evenly distributed on one circumferentially, sewage draining exit is positioned at the below of negative electrode 6, all shower nozzle gauge taps and blowdown valve port switch are by same Control, negative electrode 6 is equipped with inductor, and flood pattern adopts PLC to control; There are two liquid filtering tanks, one is the filtering tank 9 that limewash is housed, also having one is the filtering tank 10 that soda lye is housed, the structure of filtering tank comprises base 13, air inlet 14, charge door 15, gas outlet 16, dividing plate 17, drain hole 18, from filtering tank spaced intermediate, be split into two halves, adopt the form having passage below.
Described system adopts the mode of water punching to remove the dust be accumulated on negative electrode 6.
When novel haze treatment system is started working, blower fan 3 near air inlet 1 rotates, the haze gas in the external world is sucked dust pelletizing system, the high voltage electric field of air in dust pelletizing system polluted, air is made to occur to ionize and the lotus that becomes positively charged, solid particle charged in air can do displacement under the effect of electric field, move to self electrically charged contrary negative electrode 6, and above being adsorbed on.By gauge tap 7, the shower nozzle 5 near negative electrode 6 cleans the particle be adsorbed on negative electrode 6, dust, and gets rid of by getting rid of path, and the solid content in air is significantly reduced.Air processed under the effect of blower fan 3 can continue motion, reaches and is equipped with in the filtering tank 8 of active carbon, by the suction-operated of active carbon, the particle in air is cleaned out substantially.Air continuation motion, through being equipped with the filtering tank 9 of limewash and the filtering tank 10 of soda lye being housed, absorb the sulfur dioxide in air and nitrogen oxide respectively, finally from air outlet discharge is free of contamination clean air.
Because flood pattern need not work always, just regulated carrying out is sprayed water, in order to the normal work of not influential system, before water filling shower nozzle 5 is not opened, the valve port of sewage draining exit is closed, and all shower nozzle gauge taps and blowdown valve port switch are by same Control, and after water filling shower nozzle 5 is closed, blowdown valve port will postpone a period of time and close, not so can cause contamination phenomenon.In order to avoid cleaning dust causes purification not thorough not in time, or clearance time causes the waste of energy too early, negative electrode 6 is equipped with inductor, after the thickness being adsorbed on the solid particle on negative electrode 6 acquires a certain degree, inductor works, inductor impels the relay power controlling nozzle switch simultaneously, thus makes water filling switch opens, and flood pattern is started working.
Flood pattern is primarily of shower nozzle and sewage draining exit composition, and water filling shower nozzle 5, near negative electrode 6 upper end, has 8 shower nozzles and is evenly distributed on one circumferentially, can realize each position on target 6 and rinse.Sewage draining exit is positioned at the below of negative electrode 6, is rinsed the dust got off and is flowed out by this sewage draining exit.Flood pattern adopts PLC to control, and realizes the automation of flood pattern.Two liquid filtering tanks, one is the filtering tank 9 that limewash is housed, also having one is the filtering tank 10 that soda lye is housed, the air making pollution as far as possible and liquid comes into contact, from filtering tank spaced intermediate, be split into two halves, adopt the form having passage below, make solution absorb fully the harmful substance in gas like this.By deduster, the solid particle in haze is processed, in deduster, on negative electrode 6, the solid particle of absorption carries out periodic cleaning by water filling shower nozzle 5, dusty gas after dedusting is through being equipped with filtering tank 8 dedusting further of active carbon, then the gas polluted removes sulfur dioxide wherein through the filtering tank 9 that limewash is housed, process finally by the sulfur dioxide of filtering tank 10 to nitrogen oxide wherein and non-Ex-all that soda lye is housed, finally obtain the air cleaned.
When the gas polluted is passed in the filtering tank 9 that limewash is housed, the SO in dusty gas
2can react with limewash, its response class is similar to CO
2with the reaction of limewash, due to SO
2solubility in water compares CO
2greatly, and the acidity of sulfurous acid is stronger than carbonic acid, causes SO
2make clarification limewash become muddy phenomenon and compare CO
2occur fast, reaction sooner, stronger.And due to SO in dusty gas
2amount occupy the minority, Ca (HSO can not be produced in all courses of reaction
3)
2(solvable), so reaction equation is: SO
2+ Ca (OH)
2=CaSO
3+ 2H
2o.Pollute gas from the filtering tank 9 that limewash is housed out after, enter and be equipped with in the filtering tank 10 of soda lye, the nitrogen oxide in dusty gas can react with the concentrated solution of NaOH, its reaction equation be: 2NaOH+3NO
2=2NaNO
3+ NO+H
2o, 2NaOH+NO
2+ NO=2NaNO
2+ H
2o.The air of such pollution, by dust pelletizing system, after two filtering tanks, can remove three large main harmful components contained in haze, finally obtain clean non-harmful gas.
Above disclosedly be only preferred embodiment of the present invention, but interest field of the present invention can not be limited with this, thus the claims in the present invention make equivalent replacement, amendment, still belong to the scope that the present invention includes.
Claims (2)
1. a haze treatment system, is characterized in that, haze treatment system comprises dedusting mechanism, activated carbon filtration tank, the filtering tank of limewash is housed, the filtering tank of NaOH is housed; Dedusting mechanism is primarily of air inlet, sieves, blower fan, positive electrode (anode), negative electrode (negative electrode), flood pattern, dust discharge switch, filling opening, liquid taking port composition; Flood pattern is primarily of shower nozzle and sewage draining exit composition, water filling shower nozzle is near negative electrode upper end, have 8 shower nozzles and be evenly distributed on one circumferentially, sewage draining exit is positioned at the below of negative electrode, all shower nozzle gauge taps and blowdown valve port switch are by same Control, negative electrode is equipped with inductor, and flood pattern adopts PLC to control; There are two liquid filtering tanks, one is the filtering tank that limewash is housed, also having one is the filtering tank that soda lye is housed, the structure of filtering tank comprises base, air inlet, charge door, gas outlet, dividing plate, drain hole, from filtering tank spaced intermediate, be split into two halves, adopt the form having passage below.
2. haze treatment system as claimed in claim 1, is characterized in that: described system adopts the mode of water punching to remove the dust be accumulated on negative electrode.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053808.5A CN105536409B (en) | 2016-01-27 | 2016-01-27 | A kind of haze processing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610053808.5A CN105536409B (en) | 2016-01-27 | 2016-01-27 | A kind of haze processing system |
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| Publication Number | Publication Date |
|---|---|
| CN105536409A true CN105536409A (en) | 2016-05-04 |
| CN105536409B CN105536409B (en) | 2018-03-13 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610053808.5A Expired - Fee Related CN105536409B (en) | 2016-01-27 | 2016-01-27 | A kind of haze processing system |
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| Country | Link |
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| CN (1) | CN105536409B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797524A (en) * | 2016-05-06 | 2016-07-27 | 江苏大学 | Heteropolar electric charge fogdrop coalescence dust-removing device and method thereof |
| CN105854528A (en) * | 2016-06-02 | 2016-08-17 | 江苏恒新能源科技有限公司 | Waste gas treatment ultra-clean emission system |
| CN108579294A (en) * | 2018-05-03 | 2018-09-28 | 宿州冬宇环保科技有限公司 | A kind of Industrial cleaning facility deduster |
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| CN205461702U (en) * | 2016-01-27 | 2016-08-17 | 海南大学 | Haze processing system |
-
2016
- 2016-01-27 CN CN201610053808.5A patent/CN105536409B/en not_active Expired - Fee Related
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2535112Y (en) * | 2002-04-01 | 2003-02-12 | 广东杰特科技发展有限公司 | Horizontal line-box type streamer-discahrge flue gas desulfurizing wet reactor |
| JP2011131132A (en) * | 2009-12-22 | 2011-07-07 | Shimizu Corp | Welding fume collector |
| CN103394257A (en) * | 2013-07-29 | 2013-11-20 | 汉王科技股份有限公司 | Electronic air purifying device and method |
| CN204933171U (en) * | 2015-08-11 | 2016-01-06 | 广州朗洁环保科技有限公司 | Electrostatic, ultraviolet, washing integrated organic waste-gas purification equipment |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105797524A (en) * | 2016-05-06 | 2016-07-27 | 江苏大学 | Heteropolar electric charge fogdrop coalescence dust-removing device and method thereof |
| CN105797524B (en) * | 2016-05-06 | 2017-10-20 | 江苏大学 | A kind of heteropolarity charged droplets coalescence dust arrester and method |
| CN105854528A (en) * | 2016-06-02 | 2016-08-17 | 江苏恒新能源科技有限公司 | Waste gas treatment ultra-clean emission system |
| CN108579294A (en) * | 2018-05-03 | 2018-09-28 | 宿州冬宇环保科技有限公司 | A kind of Industrial cleaning facility deduster |
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| Publication number | Publication date |
|---|---|
| CN105536409B (en) | 2018-03-13 |
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| CB03 | Change of inventor or designer information |
Inventor after: Zhang Yan Inventor after: Pan Jiade Inventor after: Liang Dong Inventor before: Zhang Yan Inventor before: Huang Yaoming Inventor before: Zhang Xicheng |
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| CF01 | Termination of patent right due to non-payment of annual fee |
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| CF01 | Termination of patent right due to non-payment of annual fee |