CN107149858A - Circulation for plasma fume treatment integrated apparatus - Google Patents
Circulation for plasma fume treatment integrated apparatus Download PDFInfo
- Publication number
- CN107149858A CN107149858A CN201710556443.2A CN201710556443A CN107149858A CN 107149858 A CN107149858 A CN 107149858A CN 201710556443 A CN201710556443 A CN 201710556443A CN 107149858 A CN107149858 A CN 107149858A
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- water
- negative electrode
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- 230000004087 circulation Effects 0.000 title claims abstract description 35
- 238000011282 treatment Methods 0.000 title claims abstract description 22
- 239000003517 fume Substances 0.000 title claims abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 123
- 239000007921 spray Substances 0.000 claims abstract description 101
- 238000006243 chemical reaction Methods 0.000 claims abstract description 12
- 238000010521 absorption reaction Methods 0.000 claims abstract description 8
- 239000003513 alkali Substances 0.000 claims description 42
- 125000004122 cyclic group Chemical group 0.000 claims description 41
- 239000007788 liquid Substances 0.000 claims description 31
- 239000000843 powder Substances 0.000 claims description 12
- 238000006386 neutralization reaction Methods 0.000 claims description 9
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims description 6
- 239000010802 sludge Substances 0.000 claims description 6
- 238000000889 atomisation Methods 0.000 claims description 4
- 238000004140 cleaning Methods 0.000 claims description 4
- 230000003472 neutralizing effect Effects 0.000 claims description 4
- 230000005514 two-phase flow Effects 0.000 claims description 3
- 239000003546 flue gas Substances 0.000 abstract description 14
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 abstract description 13
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 abstract description 12
- 239000003344 environmental pollutant Substances 0.000 abstract description 9
- 231100000719 pollutant Toxicity 0.000 abstract description 9
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 abstract description 6
- 239000012429 reaction media Substances 0.000 abstract description 3
- 238000003851 corona treatment Methods 0.000 abstract description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 80
- 235000011121 sodium hydroxide Nutrition 0.000 description 38
- 239000002351 wastewater Substances 0.000 description 15
- 238000012545 processing Methods 0.000 description 9
- 238000000034 method Methods 0.000 description 7
- 238000001556 precipitation Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000006477 desulfuration reaction Methods 0.000 description 4
- 230000023556 desulfurization Effects 0.000 description 4
- 239000000428 dust Substances 0.000 description 4
- 230000008676 import Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000013049 sediment Substances 0.000 description 4
- 238000004062 sedimentation Methods 0.000 description 4
- 230000002378 acidificating effect Effects 0.000 description 3
- 238000005189 flocculation Methods 0.000 description 3
- 230000016615 flocculation Effects 0.000 description 3
- 235000019738 Limestone Nutrition 0.000 description 2
- 239000002253 acid Substances 0.000 description 2
- 238000004581 coalescence Methods 0.000 description 2
- 239000000356 contaminant Substances 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 238000011010 flushing procedure Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000006028 limestone Substances 0.000 description 2
- 229910021645 metal ion Inorganic materials 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000003020 moisturizing effect Effects 0.000 description 2
- 230000001105 regulatory effect Effects 0.000 description 2
- 239000000779 smoke Substances 0.000 description 2
- 238000003756 stirring Methods 0.000 description 2
- 241000790917 Dioxys <bee> Species 0.000 description 1
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 239000005864 Sulphur Substances 0.000 description 1
- 229910052925 anhydrite Inorganic materials 0.000 description 1
- 239000002585 base Substances 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 description 1
- 239000000920 calcium hydroxide Substances 0.000 description 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 description 1
- OSGAYBCDTDRGGQ-UHFFFAOYSA-L calcium sulfate Chemical compound [Ca+2].[O-]S([O-])(=O)=O OSGAYBCDTDRGGQ-UHFFFAOYSA-L 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005684 electric field Effects 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 239000003595 mist Substances 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 230000029219 regulation of pH Effects 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000006228 supernatant Substances 0.000 description 1
- 239000000725 suspension Substances 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
Classifications
-
- 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
- B01D53/32—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 by electrical effects other than those provided for in group B01D61/00
-
- 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
-
- 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
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/60—Heavy metals or heavy metal compounds
- B01D2257/602—Mercury or mercury compounds
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
-
- 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
- C02F2001/007—Processes including a sedimentation step
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/18—Nature of the water, waste water, sewage or sludge to be treated from the purification of gaseous effluents
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of circulation for plasma fume treatment integrated apparatus, anode spray, the negative electrode for being sprayed to internal polar curve that being provided with including spray equipment, in spray equipment is used for being sprayed to internal pad-face are sprayed and the absorption spray for being sprayed in the space between every first order reaction section.Such a circulation is when in use, anode spray, negative electrode spray and absorb and spray this three part and can provide reaction medium to inside corona treatment integrated apparatus, with the pollutant reaction such as sulfur dioxide in flue gas and nitrogen oxides, collect in recirculated water, and this three kinds sprays can be selected flexibly, different flue gas conditions are coordinated to be removed pollutant, the treatment effeciency of circulation is higher.This system can be used for plasma fume treatment integrated apparatus, and the service efficiency of integrated apparatus can be made higher.
Description
Technical field
It is more particularly to a kind of for plasma fume treatment integrated apparatus the present invention relates to technical field of environment protection equipment
Circulation.
Background technology
Plasma flue gas desulfurization denitration dust-removing demercuration integrated apparatus, is administered for industrial smokes such as thermal power plants
Integration apparatus, its control system includes coalescence power supply and plasma electrical source, and inside reactor is comprising coalescence conversion zone and waits
Ionic reaction section, water circulation system includes top water-spray system and bottom circulation, not only to the dioxy in flue gas
Change traditional pollutant such as sulphur, nitrogen oxides and dust further to remove, can also carry out partial removal to mercury in flue gas and PM2.5,
Realize the requirement of flue gas minimum discharge.
Wherein, circulation includes spray equipment, and header tank, circulatory pool, sedimentation basin, flocculation tanks and alkali liquid tank etc. are set
It is standby, by flocculation sediment technology, suspended contaminant in waste water is handled, recirculated water supply cleaner inner anode system spray
Drench and cathod system spray.Concretely comprise the following steps：Waste water containing dust enter header tank and circulatory pool, a part of direct circulation,
Cathode and anode system is supplied by circulating pump to spray, a part is discharged into flocculation tanks, add and be discharged into sedimentation basin after flocculant and sunk
Form sediment, arranged outside the sludge after precipitation, arrange or be incorporated to desulfurization water system in power plant outside clarified wastewater and handle, alkali lye uses 32% hydroxide
Sodium, PH regulations are carried out to waste water in circulatory pool interior circulation water and sedimentation basin.
However, in such a circulation, coming due to being only supplied anode system and cathod system spray to pole plate and polar curve
Upper dust is rinsed, processing it is less efficient.
Therefore, the treatment effeciency of circulation how is improved, is the technology that those skilled in the art need to solve at present
Problem.
The content of the invention
In view of this, it is an object of the invention to provide a kind of circulation of plasma smoke processing system, processing
Efficiency is higher.
To achieve the above object, the present invention provides following technical scheme：
A kind of circulation for plasma fume treatment integrated apparatus, including spray equipment, the spray dress
In putting be provided be used for internal pad-face is sprayed anode spray, for internal polar curve is sprayed negative electrode spray with
And the absorption spray for being sprayed in the space between every first order reaction section.
Preferably, in addition to：
Water supply tank, is connected to the negative electrode by negative electrode spray pump and sprays, and be connected to the suction by absorbed layer water pump
Receive spray；
Cyclic water tank, connects the anode by anode spray pump and sprays.
Preferably, the cyclic water tank connects the negative electrode by the negative electrode spray pump and sprayed.
Preferably, in addition to discharge casing, the spray equipment is located in plasma fume treatment integrated apparatus, the row
The entrance of water tank is connected to the water leg of the plasma fume treatment integrated apparatus, and the upper outlet of the discharge casing passes through
Overflow pipe connects the entrance of the cyclic water tank, and the lower part outlet of the discharge casing connects entering for neutralization case by draining pump
Mouthful, the entrance of the outlet connection settling tank for neutralizing case, the outlet of the settling tank connects vacuum hydroextractor by sludge pump
Entrance, and the overfall of the vacuum hydroextractor connects the entrance of the settling tank, and the overfall of the settling tank passes through clear
Water pump connects the cyclic water tank.
Preferably, in addition to alkali system is added, described plus alkali system includes：
Lye tank；
Feed powder storehouse for adding agstone；
For the conveying worm for quantitatively putting into the agstone in the feed powder storehouse in the lye tank, located at described
Between the outlet in feed powder storehouse and the entrance of the lye tank；
Feedback based on the PH in the neutralization case quantitatively adds alkali lye into the neutralization case to reach setting
PH value and the feedback based on the PH in the cyclic water tank quantitatively add alkali lye into the cyclic water tank to reach
Set the alkali measuring pump of pH value；
Flowmeter for adding up alkali lye dosage；
Densimeter and alkali lye box mixer in the lye tank.
Preferably, the negative electrode spray pump, the absorbed layer water pump on the anode spray pump with being respectively provided with frequency converter.
Preferably, it is provided with self-cleaning filter between anode spray pump and the anode spray.
Preferably, the anode spray pump and liquid level gauge in the cyclic water tank are chain, the clarified water pump with it is described heavy
Liquid level gauge difference in liquid level gauge, the cyclic water tank in the case of shallow lake is chain, the draining pump and the liquid level in the discharge casing
Meter is chain, and the negative electrode spray pump and liquid level gauge in the water supply tank are chain, in the absorbed layer water pump and the water supply tank
Liquid level gauge it is chain.
Preferably, the spray that absorbs includes two-phase flow ultra-fine atomization spray nozzle.
Preferably, in addition to for the pressure gauge being arranged on pipeline, electrically operated valve and electric apparatus table, the pressure
Table, the electrically operated valve, the electric apparatus table are connected with host computer respectively.
The circulation that the present invention is provided when in use, anode spray, negative electrode spray and absorb spray can to etc.
Reaction medium is provided inside gas ions processing integrated apparatus, and the pollutant reaction such as sulfur dioxide in flue gas and nitrogen oxides,
Collect in recirculated water, and this three kinds sprays can be selected flexibly, coordinate different flue gas conditions to be removed pollutant, be circulated
The treatment effeciency of water system is higher.This system can be used for plasma fume treatment integrated apparatus, be specifically as follows etc. from
Sub- flue gas desulfurization denitration dust-removing demercuration integrated apparatus, makes the service efficiency of integrated apparatus higher.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the accompanying drawing used required in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
The embodiment of invention, for those of ordinary skill in the art, on the premise of not paying creative work, can also basis
The accompanying drawing of offer obtains other accompanying drawings.
Fig. 1 is the process chart of circulation provided by the present invention；
Fig. 2 is the process chart of provided by the present invention plus alkali system.
In Fig. 1 and Fig. 2,1- anodes spray, 2- negative electrodes spray, 3- absorbs spray, 4- water supply tanks, 5- discharge casings, 6- circulations
In water tank, 7- and case, 8- settling tanks, 9- vacuum hydroextractors, 10- lye tanks, 11- self-cleaning filters, 12- absorbed layer water pumps,
13- negative electrode spray pumps, 14- anode spray pumps, 15- draining pumps, 16- sludge pumps, 17- clarified water pumps, 18- alkali measuring pumps, 19-PH
Meter, 20- cyclic water tank agitators, in 21- and box mixer, 22- feed powders storehouse, 23- conveying worms, 24- densimeters, 25- alkali
Liquid case agitator, 26- flowmeters.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete
Site preparation is described, it is clear that described embodiment is only a part of embodiment of the invention, rather than whole embodiments.It is based on
Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of creative work is not made
Embodiment, belongs to the scope of protection of the invention.
The core of the present invention is to provide a kind of circulation of plasma smoke processing system, and treatment effeciency is higher.
Fig. 1 and Fig. 2 are refer to, Fig. 1 is the process chart of circulation provided by the present invention；Fig. 2 is institute of the present invention
The process chart for adding alkali system is provided.
A kind of specific embodiment of circulation provided by the present invention for plasma fume treatment integrated apparatus
In, including spray equipment is provided with the anode for being used for being sprayed to internal pad-face in the spray equipment and sprays 1, for internal
The negative electrode spray 2 that portion's polar curve is sprayed and the absorption spray 3 for being sprayed in the space between every first order reaction section.Its
In, the flushing of cathode line and Spatial absorptive spray 3 should use clean process water, to ensure that non-scaling is blocked up inside spray equipment
Plug.
In use, anode spray 1, negative electrode spray 2 and 3 this three part of absorption spray can be to corona treatments one
Body makeup puts it is internal reaction medium is provided, with the pollutant reaction such as sulfur dioxide in flue gas and nitrogen oxides, collect in recirculated water
In, and this three kinds sprays can select flexibly, coordinate different flue gas conditions to be removed pollutant, the processing of circulation
It is more efficient.This system can be used for plasma fume treatment integrated apparatus, is specifically as follows plasma flue gas desulfurization and takes off
Nitre dedusting demercuration integrated apparatus, makes the service efficiency of integrated apparatus higher.
In above-described embodiment, water supply tank 4 and cyclic water tank 6 can be specifically included in the system.Water supply tank 4 is sprayed by negative electrode
Drench pump 13 and be connected to negative electrode spray 2, and water supply tank 4 is connected to absorption spray 3 by absorbing water layer pump.Water supply tank 4 can be played
The effect of runoff investigation.On the one hand, to ensure polar curve non-scaling, the negative electrode that water supply tank 4 can provide interval to spray equipment sprays
2 are drenched, is set according to system, passes through being rinsed to internal plate electrode line at regular time and quantity of negative electrode spray pump 13.On the other hand, mend
Water tank 4 can be provided to spray equipment absorbs spray 3.Cyclic water tank 6 is passed through by the jointed anode of anode spray pump 14 spray 1
Water supply tank 4, cyclic water tank 6 can ensure that the water of each spray is supplemented in time.
Further, cyclic water tank 6 can connect negative electrode spray 2 by negative electrode spray pump 13.That is, negative electrode spray pump 13 connects
While connecing water supply tank 4, set spare duct to be connected to cyclic water tank 6 before negative electrode spray pump 13, can cut under certain condition
Use recirculated water instead and carry out water balance in negative electrode flushing, holding system.
In each above-mentioned embodiment, the system can also include discharge casing 5, and spray equipment is located at plasma fume treatment one
During body makeup is put, the entrance of discharge casing 5 is connected to the water leg of plasma integrated treatment unit, and the top of discharge casing 5 goes out
Mouth connects the entrance of cyclic water tank 6 by overflow pipe, and the lower part outlet of discharge casing 5 passes through the connection neutralization case 7 of draining pump 15
Entrance, neutralizes the entrance of the outlet connection settling tank 8 of case 7, the outlet of settling tank 8 connects vacuum hydroextractor 9 by sludge pump 16
Entrance, the overfall of vacuum hydroextractor 9 connects the entrance of settling tank 8, and the overfall of settling tank 8 is followed by the connection of clarified water pump 17
Ring water tank 6.
Waste water is discharged into discharge casing 5, by of short duration precipitation, and upper clear supernate is entered by overflow pipe to be followed again in cyclic water tank 6
Waste water after ring, bottom precipitation is quantitatively discharged into neutralization case 7 per hour by draining pump 15, and waste water is in case 7 is neutralized at neutralization
After reason, be discharged into settling tank 8 and precipitated, removing waste water in suspension and sediment (such as CaSO4), the bottom mud of settling tank 8 and
Sediment enters vacuum hydroextractor 9 by sludge pump 16 and is dehydrated press filtration, and solid beyond the region of objective existence row, clean water overflow returns to settling tank 8, precipitation
The supernatant of case 8 is squeezed into cyclic water tank 6 by clarified water pump 17 and recycled.This system includes spray equipment and circulating water treatment
Part, by the recycling of water come for processing system waste water, regulating system interior circulation water ph value, it is ensured that system water can reach
To the purpose of multiple circulated sprinkling, the outer displacement of system is reduced.
In each above-mentioned embodiment, the system can also include plus alkali system, plus alkali system includes lye tank 10, is used for
Add the feed powder storehouse 22 of lime stone, the conveying worm for the agstone in feed powder storehouse 22 quantitatively to be put into lye tank 10
23,19 feedback is quantified between the outlet in feed powder storehouse 22 and the entrance of lye tank 10, based on according to the PH neutralized in case 7
Add alkali lye to neutralize case 7 in by reach setting pH value and based on the PH in cyclic water tank 6 19 feedback is quantitatively thrown
Plus alkali lye into cyclic water tank 6 to reach the setting alkali measuring pump 18 of pH value, the flowmeter 26 for adding up alkali lye dosage, set
Densimeter 24 and alkali lye box mixer 25 in lye tank 10.Wherein, conveying worm 23 is arranged on the outlet in feed powder storehouse 22
Between the entrance of lye tank 10.Neutralize between case 7 and lye tank 10, be respectively provided with alkali meter between cyclic water tank 6 and lye tank 10
Measure pump 18.
Such a lye tank 10 can add configuration 5-10% concentration aqua calcises.Densimeter 24 in lye tank 10 can
With test concentrations, according to concentration proportioning, the agstone in feed powder storehouse 22 is quantitatively put into lye tank 10 by conveying worm 23
In, suitable alkali lye is configured to, alkali lye box mixer 25 can stir evenly the alkali lye in lye tank 10, and alkali measuring pump 18 is in
Fed back with the PH meters 19 in case 7 and cyclic water tank 6, quantitatively add alkali lye to neutralizing in case 7 or cyclic water tank 6, make neutralization case 7
The pH value of setting is maintained at the alkali lye in cyclic water tank 6, wherein, flowmeter 26 can be arranged on each pipeline of alkali lye flowing
On, to add up alkali lye dosage, convenient statistics consumption.
Wherein, flue gas passes through electric field stepwise disposal, and the more anterior Wastewater Pollutant of waste water that integrated apparatus rear portion is collected is dense
Degree is low, and rear portion waste water can be directly discharged into cyclic water tank 6 and recycle, and due to have collected acid contaminant, waste water is being followed in acidity
With alkali measuring pump 18 chain reaction occurs for the PH meters 19 in ring water tank 6, and the top of cyclic water tank 6 is entered provided with cyclic water tank agitator 20
Row neutralizes stirring, is adjusted to recirculated water in cyclic water tank 6 by the aqua calcis for adding 5-10% concentration in lye tank 10
Faintly acid (PH=5.0-5.5), enters back into circulation, it is ensured that without precipitation generation, device interior will not produce scale formation or corrosion.
Wherein, the PH meters 19 in case 7 is neutralized can put into 5- with the chain reaction of alkali measuring pump 18 to neutralizing in case 7
The aqua calcis of 10% concentration, neutralizes in case 7 provided with box mixer 21 is neutralized, pH value is adjusted to meta-alkalescence (PH=6-
9), now, excessive calcium hydroxide is precipitated with acidic materials and metal ion, is discharged into settling tank 8.
In the prior art, dust waste water only removes oil removal by natural sedimentation or medicament precipitation process, and acidic materials are still
It can not remove, clear liquid needs outer arrange after processing, it is impossible to continue cycling through, and 32% sodium hydroxide cost is higher, with chemical hazard,
Potential safety hazard is big.
And lime stone can be used to configure alkali lye in such a plus alkali system, regulating system circulating water PH value reduces system
Reagent cost and maintenance cost, it is cheap to be easy to get, meanwhile, part acidic materials and metal ion in water removal are removed in realization, are given up after processing
Water can direct reuse, it is easy to operate, to water quality and water strong adaptability, realize wastewater zero discharge in system, reduce pipeline and set
Standby fouling corrosion.Meanwhile, compared to 32% sodium hydroxide liquid caustic soda is needed to use in the prior art, such a plus alkali system can be prepared
Go out small, the safe alkali lye of corrosivity, and flocculant need not be added, water can be recycled within the system.
In each above-mentioned embodiment, negative electrode spray pump 13, absorbed layer water pump 12 on anode spray pump 14 with that can be respectively provided with
Frequency converter, with flexible modulation water according to actual needs.Wherein, frequency conversion implement body can be adjustable with selected frequency 5-50Hz.
In each above-mentioned embodiment, self-cleaning filter 11 can be set between anode spray pump 14 and anode spray 1, with
Bulky grain suspended material is filtered, filtering accuracy specifically could be arranged to≤200 μm, can ensure nozzle and pipe fitting not on this condition
It can block.
In each above-mentioned embodiment, anode spray pump 14 and liquid level gauge in cyclic water tank 6 are chain, clarified water pump 17 and precipitation
Liquid level gauge difference in liquid level gauge, cyclic water tank 6 in case 8 is chain, and draining pump 15 and liquid level gauge in discharge casing 5 are chain, the moon
Pole spray pump 13 and liquid level gauge in water supply tank 4 are chain, and absorbed layer water pump 12 and liquid level gauge in water supply tank 4 are chain.Wherein, even
Lock refers to that pump can be opened and closed according to the feedack control of corresponding liquid level gauge institute, and the water in each casing is adjusted with correspondence,
That is, anode spray pump 14 can control to open and close according to the liquid level gauge in cyclic water tank 6, and clarified water pump 17 can be according in settling tank 8
Liquid level gauge institute feedack, the liquid level gauge institute feedack control in cyclic water tank 6 open and close, draining pump 15 being capable of basis
Liquid level gauge institute feedack control in discharge casing 5 is opened and closed, and negative electrode spray pump 13 can be according to the institute of the liquid level gauge in water supply tank 4
Feedack control is opened and closed, and absorbed layer water pump 12 can be opened and closed according to the feedack control of the institute of the liquid level gauge in water supply tank 4,
Programming in logic realization is carried out especially by upper computer control system, so that the water in whole system maintains balance automatically.
In above-described embodiment, two-phase flow ultra-fine atomization spray nozzle can specifically be included by absorbing spray 3, and such a nozzle can make mist
Particle diameter is dripped between 50 to 100 μm, is made droplet in space uniform, large area super-fine atomization drop is formed in space, while whole
Body spray flux is small, can reduce quantity of circulating water, at the same can fully in flue gas pollutant carry out reactive absorption there is provided reactivity from
By base.
Can also include being used in each above-mentioned embodiment, in the system being arranged on pressure gauge on pipeline, electrically operated valve,
Electric apparatus table.Pipeline can be the pipeline being connected between any two casing, for example, between water supply tank 4 and cyclic water tank 6
Pipeline, to improve security.Wherein, pressure gauge and motor-driven valve, electric apparatus table are connected with host computer respectively, whole to realize
The automatic operating of system, realizes intelligent control.
Specifically, the import of water supply tank 4 and cyclic water tank 6 can set import motor-driven valve, and import motor-driven valve and moisturizing
Case 4 is corresponding with the liquid level gauge in cyclic water tank 6 chain, i.e., import motor-driven valve can be according to the liquid in water supply tank 4 and cyclic water tank 6
Position meter institute's feedack, with the water balance in guarantee system, is enabled the system to water supply tank 4 and the timely moisturizing of cyclic water tank 6
Enough normal operations.
The embodiment of each in this specification is described by the way of progressive, and what each embodiment was stressed is and other
Between the difference of embodiment, each embodiment identical similar portion mutually referring to.
The circulation provided by the present invention for plasma fume treatment integrated apparatus has been carried out in detail above
It is thin to introduce.Specific case used herein is set forth to the principle and embodiment of the present invention, and above example is said
The bright method and its core concept for being only intended to help to understand the present invention.It should be pointed out that for the ordinary skill of the art
For personnel, under the premise without departing from the principles of the invention, some improvement and modification can also be carried out to the present invention, these improvement
Also fallen into modification in the protection domain of the claims in the present invention.
Claims (10)
1. a kind of circulation for plasma fume treatment integrated apparatus, it is characterised in that including spray equipment, institute
State the anode being provided with spray equipment for being sprayed to internal pad-face and spray (1), for being sprayed to internal polar curve
Negative electrode spray (2) and spray (3) for the absorption that sprays in the space between every first order reaction section.
2. circulation according to claim 1, it is characterised in that also include：
Water supply tank (4), the negative electrode spray (2) is connected to by negative electrode spray pump (13), and by absorbed layer water pump (12) even
It is connected to described absorb and sprays (3)；
Cyclic water tank (6), the anode spray (1) is connected by anode spray pump (14).
3. circulation according to claim 2, it is characterised in that the cyclic water tank (6) is sprayed by the negative electrode
Drench pump (13) and connect the negative electrode spray (2).
4. circulation according to claim 3, it is characterised in that also including discharge casing (5), the spray equipment is set
In plasma fume treatment integrated apparatus, the entrance of the discharge casing (5) is connected to the plasma fume treatment one
Disguise the water leg put, the upper outlet of the discharge casing (5) connects the entrance of the cyclic water tank (6) by overflow pipe, and
The lower part outlet of the discharge casing (5) connects the entrance for neutralizing case (7), the outlet of the neutralization case (7) by draining pump (15)
The entrance of settling tank (8) is connected, the outlet of the settling tank (8) connects the entrance of vacuum hydroextractor (9) by sludge pump (16),
And the overfall of the vacuum hydroextractor (9) connects the entrance of the settling tank (8), the overfall of the settling tank (8) passes through
Clarified water pump (17) connects the cyclic water tank (6).
5. circulation according to claim 4, it is characterised in that also including adding alkali system, described plus alkali system bag
Include：
Lye tank (10)；
Feed powder storehouse (22) for adding agstone；
For the conveying worm (23) for quantitatively putting into the agstone in the feed powder storehouse (22) in the lye tank (10),
Between the outlet of the feed powder storehouse (22) and the entrance of the lye tank (10)；
By the feedbacks for counting (19) of the PH in neutralization case (7) quantitatively add alkali lye to it is described neutralize in case (7) with up to
To setting pH value and based on the PH in the cyclic water tank (6), the feedback of (19) quantitatively adds alkali lye and followed to described
In ring water tank (6) with reach setting pH value alkali measuring pump (18)；
Flowmeter (26) for adding up alkali lye dosage；
Densimeter (24) and alkali lye box mixer (25) in the lye tank (10).
6. circulation according to claim 5, it is characterised in that the negative electrode spray pump (13), the absorbed layer
Water pump (12) on the anode spray pump (14) with being respectively provided with frequency converter.
7. circulation according to claim 6, it is characterised in that the anode spray pump (14) is sprayed with the anode
Drench between (1) provided with self-cleaning filter (11).
8. circulation according to claim 6, it is characterised in that the anode spray pump (14) and the recirculated water
Liquid level gauge in case (6) is chain, in the liquid level gauge, the cyclic water tank (6) in the clarified water pump (17) and the settling tank (8)
Liquid level gauge difference it is chain, the draining pump (15) and liquid level gauge in the discharge casing (5) are chain, the negative electrode spray pump
(13) it is chain with liquid level gauge in the water supply tank (4), the absorbed layer water pump (12) and the liquid level gauge in the water supply tank (4)
It is chain.
9. the circulation according to claim 1 to 8 any one, it is characterised in that the absorption spray (3) includes
Two-phase flow ultra-fine atomization spray nozzle.
10. circulation according to claim 9, it is characterised in that also including the pressure for being arranged on pipeline
Table, electrically operated valve and electric apparatus table, the pressure gauge, the electrically operated valve, the electric apparatus table respectively with host computer phase
Even.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710556443.2A CN107149858A (en) | 2017-07-10 | 2017-07-10 | Circulation for plasma fume treatment integrated apparatus |
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| CN201710556443.2A CN107149858A (en) | 2017-07-10 | 2017-07-10 | Circulation for plasma fume treatment integrated apparatus |
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| CN109331582A (en) * | 2018-11-28 | 2019-02-15 | 扬州昌通照明器材有限公司 | A kind of heavy duty detergent cleaner convenient for safeguarding for air cleaning |
| CN110170378A (en) * | 2019-04-11 | 2019-08-27 | 华北水利水电大学 | A kind of wet-esp haze prevention and treatment system and application method |
| CN114653477A (en) * | 2020-12-23 | 2022-06-24 | 陕西青朗万城环保科技有限公司 | Oil fume purification method and control system thereof |
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