CN107892347A - A kind of high-voltage electrostatic field formula gas-liquid contact is concentrated by evaporation high-salt wastewater device and its technique - Google Patents
A kind of high-voltage electrostatic field formula gas-liquid contact is concentrated by evaporation high-salt wastewater device and its technique Download PDFInfo
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- CN107892347A CN107892347A CN201610870159.8A CN201610870159A CN107892347A CN 107892347 A CN107892347 A CN 107892347A CN 201610870159 A CN201610870159 A CN 201610870159A CN 107892347 A CN107892347 A CN 107892347A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 77
- 230000005686 electrostatic field Effects 0.000 title claims abstract description 31
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 238000001704 evaporation Methods 0.000 title claims abstract description 19
- 230000008020 evaporation Effects 0.000 title claims abstract description 19
- 238000000034 method Methods 0.000 title description 19
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 62
- 239000012267 brine Substances 0.000 claims abstract description 15
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 15
- 238000009833 condensation Methods 0.000 claims abstract description 7
- 230000005494 condensation Effects 0.000 claims abstract description 7
- 150000003839 salts Chemical class 0.000 claims description 16
- 238000010992 reflux Methods 0.000 claims description 14
- 238000010438 heat treatment Methods 0.000 claims description 9
- 239000000463 material Substances 0.000 claims description 9
- 229910052802 copper Inorganic materials 0.000 claims description 8
- 239000010949 copper Substances 0.000 claims description 8
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 7
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 238000007599 discharging Methods 0.000 claims description 5
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims description 5
- 239000013535 sea water Substances 0.000 claims description 5
- 239000003795 chemical substances by application Substances 0.000 claims description 4
- 239000012141 concentrate Substances 0.000 claims description 4
- 230000005611 electricity Effects 0.000 claims description 4
- 239000000243 solution Substances 0.000 claims description 3
- -1 polytetrafluoroethylene Polymers 0.000 claims description 2
- 229910021645 metal ion Inorganic materials 0.000 claims 2
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims 2
- 239000004810 polytetrafluoroethylene Substances 0.000 claims 2
- 239000004020 conductor Substances 0.000 claims 1
- 239000008367 deionised water Substances 0.000 claims 1
- 229910021641 deionized water Inorganic materials 0.000 claims 1
- 239000012153 distilled water Substances 0.000 claims 1
- 238000012856 packing Methods 0.000 abstract description 15
- 239000000945 filler Substances 0.000 abstract description 12
- 239000002699 waste material Substances 0.000 abstract description 7
- 238000009834 vaporization Methods 0.000 abstract description 5
- 230000008016 vaporization Effects 0.000 abstract description 5
- 230000007704 transition Effects 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 abstract 1
- 238000005516 engineering process Methods 0.000 description 17
- 239000007789 gas Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 6
- 238000005265 energy consumption Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 230000008719 thickening Effects 0.000 description 6
- 230000008569 process Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 3
- 238000001035 drying Methods 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002425 crystallisation Methods 0.000 description 2
- 230000008025 crystallization Effects 0.000 description 2
- 125000004122 cyclic group Chemical group 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000011084 recovery Methods 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000002918 waste heat Substances 0.000 description 2
- 241000195493 Cryptophyta Species 0.000 description 1
- 239000004698 Polyethylene Substances 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- RHZUVFJBSILHOK-UHFFFAOYSA-N anthracen-1-ylmethanolate Chemical compound C1=CC=C2C=C3C(C[O-])=CC=CC3=CC2=C1 RHZUVFJBSILHOK-UHFFFAOYSA-N 0.000 description 1
- 239000003830 anthracite Substances 0.000 description 1
- 230000000844 anti-bacterial effect Effects 0.000 description 1
- 239000003899 bactericide agent Substances 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 239000000498 cooling water Substances 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 201000010099 disease Diseases 0.000 description 1
- 208000037265 diseases, disorders, signs and symptoms Diseases 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000001471 micro-filtration Methods 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 238000001728 nano-filtration Methods 0.000 description 1
- 230000001766 physiological effect Effects 0.000 description 1
- 230000035479 physiological effects, processes and functions Effects 0.000 description 1
- 229920000573 polyethylene Polymers 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 238000010025 steaming Methods 0.000 description 1
- 230000001954 sterilising effect Effects 0.000 description 1
- 238000004659 sterilization and disinfection Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000003319 supportive effect Effects 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000000108 ultra-filtration Methods 0.000 description 1
Classifications
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
- C02F1/04—Treatment of water, waste water, or sewage by heating by distillation or evaporation
-
- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
Abstract
The invention discloses a kind of high-voltage electrostatic field formula gas-liquid contact to be concentrated by evaporation brine waste device, and the device includes high voltage control unit, evaporator, return air air intake blower fan, return air exhaust fan, circulating pump, heat exchanger, condenser.It is characteristic of the invention that salinity waste water is heated to lower temperature by heat exchanger, the brine waste of heat is sprayed on the porous filler of evaporator with vaporific or drops undergoes phase transition and carries out heat exchange, vapor forms backflow hot-air by exhaust fan, aqueous water is condensed within the condenser, and next stage brine waste is heated, realize energy circulation；Condensation air then is back to enter in distiller by air intake blower fan and circulated next time；In addition high voltage device is provided with vaporization chamber, high-voltage electrostatic field is formed between packing layer, now the internal structure of water changes, and accelerates moisture content volatilization and energy transmission, improves concentration and the crystalline rate of brine waste.
Description
Technical field
The present invention is applied to the technical field of high salinity stain disease concentration, i.e., steams high-pressure electrostatic field technology and gas-liquid contact
Send out a kind of new technology that technical tie-up is applied to high salinity waste water concentration.
Background technology
Conventional saliferous wastewater processing technology mainly has membrane separation technique（Abbreviation embrane method）With hot concentration technology（Referred to as heat
Method）.Embrane method (such as nanofiltration, micro-filtration, ultrafiltration, counter-infiltration) handles brine waste and adds bactericide, reducing agent, anti-corrosion, it is necessary to cooperate with
The medicaments such as agent, secondary pollution can be not only introduced, and system will produce the concentrated water of a large amount of more high content of salt in itself.In addition, film
The problems such as floor space is big, investment cost and operating cost are high also be present in isolation technics.Hot method be brine waste is passed through it is additional
Thermal source is evaporated concentration, Crystallization Separation, so as to realize recovery condensed water, maximum minimizing purpose, but the technology need it is outer
Heating source, high energy consumption, processing cost are high, it is difficult to extensive use.In recent years, it is new actively to probe into brine waste processing for domestic and foreign scholars
Technology, such as mechanical vapor recompression technology（MVR）, the main advantage of the technology is only to introduce thermal source in cold start-up（Can be with
Using steam, it can also take electrical heating measure）Heat stoste and produce steam, then steam is obtained extra energy with fan compression
Amount, recycle the Topography liquid of compressed steam to continue to produce steam, and turn into the thermal source of subsequent cycle, in the process of running
Extra thermal source is not needed.In vapour-liquid heat exchanging process, heating steam is collected after being condensed into condensed water, through multistage evaporation
Concentrate after concentration is discharged from base of evaporator or further crystallization and purification etc..The technology and product have stable, money
The source rate of recovery is high, floor space is small, clean environment firendly, need not add the advantages such as medicament, but the technology need compressor and steam,
The shortcomings of energy consumption and still higher processing cost.
High-voltage electrostatic field recent years are wide to apply, and are widely used in every field, especially in food drying, water
Application in processing and physiology field is more prominent, wherein in food drying field, can be promoted using high-pressure electrostatic field technology
Enter the characteristic of moisture evaporation, applied to the drying of heat sensitive material, significant effect；In water treatment field, by high-voltage electrostatic field skill
Art is applied to the scale-inhibiting properties research in the hot water circuit pipelines such as recirculated cooling water, it is found that high voltage electrostatic technique has good resistance
Dirty performance；In Physiologic Studies field, Xu Hongbin, large quantities of scholar experts such as Zhang Guisheng have found that high-voltage electrostatic fields influence microorganisms
Physiological activity is stronger, under some strength and time, has the comprehensive effect of sterilization algae removal effect.
The invention carries out use in conjunction using high-pressure electrostatic field technology and gas-liquid contact evaporation technique, compared to traditional evaporation
Device, quickening moisture evaporation can be made, reduce energy consumption, realize that energy multi-level utilizes, and it is pollution-free, it can largely save
The energy and cost.
The content of the invention
In order to overcome the high energy consumption of the hot method processing high-salt wastewater of tradition, high cost, inefficient weak point, the present invention
Invention provides a kind of high-voltage electrostatic field formula gas-liquid contact and is concentrated by evaporation high-salt wastewater technology.By the gentle liquid of high-pressure electrostatic field technology
Contact method is united and applied in the concentration of high-salt wastewater, compared with traditional hot method, other hot methods（Multistage flash vaporization, low-temperature multi-effect,
MVR etc.）, under equal conditions, thickening efficiency can be improved, save energy consumption, realize that energy multi-level utilizes, and it is pollution-free, very
The energy and cost can be saved in big degree.
The technical solution adopted in the present invention is that high salinity waste water passes through external heat source（Used heat, waste heat, solar energy and electricity add
The thermals source such as heat）It is heated to lower temperature（50-70oC）, high-salt wastewater passes through sparge pipe（With shower nozzle）Uniformly sprayed with drops
On porous filler in gas-liquid contact vaporization chamber, the specific surface area of porous material is big, is easy to gas-liquid two-phase to carry out hot friendship
Change and phase transformation；In filler surface and gap, vapor is volatilized, while realizes energy exchange, in blower fan mechanical exhaust
Under the conditions of, the mixed gas of hot steam and air forms backflow hot-air, carries out second of heat exchange within the condenser, and heat is steamed
Gas heats as thermal medium to next stage high-salt wastewater, realizes the recycling to energy, and water vapor condensation is into liquid
Water, condensed water are discharged by cold water drainpipe；Condensed air return is circulated next time into distiller；Steaming simultaneously
Design high pressure needle pole plate forms high-voltage electrostatic field between sending out the packing layer of room, and, the internal structure of water occurs in high-pressure electrostatic off field
Change, moisture content is more volatile, can accelerate the thickening efficiency of waste water, to reach the purpose of energy efficiency.
Above-mentioned described high-voltage electrostatic field formula gas-liquid contact evaporator includes water dispensing apparatus, gas-liquid contact evaporation place（Bag
Include packing layer and supporting layer）, strong brine collecting tank, control device, return air EGR occur for high-voltage electrostatic field.
Above-mentioned described water dispensing apparatus is that once preheating high-salt wastewater has equably been distributed to made of porous material
On packing layer, wherein water inlet pipe uses perforated pipe uniform water distribution, and water inlet end sets electronic flowmeter and on-line monitoring flowmeter, matched somebody with somebody
Water end (W.E.) uses shower nozzle water distribution, makes once to preheat high-salt wastewater and is equably dispersed in the form of water droplet on packing layer.
Above-mentioned described gas-liquid contact evaporation place（Including filling out on filler space and surface）, between water can be between filler
Space forms moisture film, and under the mechanical exhaust effect of return air air intake blower fan and exhaust fan, quick air passes through moisture film
When, water break, and in moisture film forms the cyclic process with destroying, moisture is more likely formed vapor；Steamed simultaneously in evaporator
The electrode plate with high voltage evaporated between room and porous filler floor forms high-voltage electrostatic field, the internal structure of water in high-pressure electrostatic off field
Change, moisture content is more volatile, can accelerate the thickening efficiency of haline water.
The mixed gas that the vapor that above-mentioned described return air EGR refers to evaporate is formed with air is in air intake
Under the mechanical exhaust effect of blower fan and exhaust fan, second of heat exchange is carried out within the condenser, hot steam is as heating agent pair
Next stage high-salt wastewater is heated, and water vapor condensation is into aqueous water, and air return is into distillery, into circulating next time.
Above-mentioned described gas-liquid contact evaporation place（Including packing layer and supporting layer）Refer to that vapor enters with waste water liquid level
The place that row heat exchange and water are undergone phase transition, wherein packing layer are made up of porous light material, and the porosity of material is big, dredge
Water-based strong, density is small, and the features such as absorption property difference, such as anthracite, haydite, new type compound concrete slab etc., which can be used as, to be filled out
The bed of material；Supporting layer mainly plays a supportive role to packing layer, while as strong brine and the passage of return air（Orifice plate）, support
Layer can be made up of lightweight polyethylene panel or other materials light, that intensity is high and insulating properties are good, on supporting layer uniformly
It is covered with hole.
Above-mentioned described strong brine collection device refers to that high-salt wastewater completes moisture evaporation and energy exchange on packing layer
Afterwards, caused dense salt waste water passes through supporting layer, is collected in dense salt waste water water leg, is discharged by drainpipe, pacified on drainpipe
Dress on-line monitoring flowmeter.
Above-mentioned described high-voltage electrostatic field generating means, including high-tension electricity generating means, pin electrode plate（Negative pole）And copper mesh
Battery lead plate（Positive level）Form.Pin electrode plate（Negative pole）It is arranged at 3-5cm above shower nozzle, shower nozzle is apart from packing layer upper surface
5-8cm；Copper net electrode plate（Positive level）Be arranged on following position among packing layer, packing layer thickness is preferably 10-20cm, between pole plate between
Away from preferably controlling in 10-15cm.
Above-described new technology is compared with prior art, of the invention by low-temperature multi-effect, High-Voltage Technology and gas-liquid contact
Evaporation technique carries out conjunctive use, compared to traditional hot method concentration technique, can improve thickening efficiency, reduce energy consumption, reach section
The purpose of energy synergy.
Brief description of the drawings
Accompanying drawing 1 evaporates high-salt wastewater enrichment facility schematic diagram for high-voltage electrostatic field formula gas-liquid contact involved by the present invention.
Wherein accompanying drawing 1,1- high voltage conversion control devices, 1a-220v alternating voltage contact jaws, 1b- high direct voltage negative poles
Output end, 1b '-high direct voltage cathode output end.
2- high-voltage electrostatic fields formula gas-liquid contact evaporator, 2a- pin electrodes plate (connect high direct voltage negative pole）, 2a '-copper net electrode
（Connect high direct voltage positive pole）, 2b- high salt thermal wastewater water inlets, 2b '-high-salt wastewater delivery port, 2c- return air evaporators enter
Mouthful, 2c '-return air evaporator outlet, 2d- concentration brine discharge mouth, 2e- high-salt wastewaters enter sparge pipe, 2f- packing layers, 2g-
Supporting layer, 2h- concentrated seawater collecting tanks, 2i- high-salt wastewater entrances.
3- return air air intake blower fans, 3 '-return air exhaust fan, 3c- return air fans entrances, 3c '-backflow are empty
Gas fan outlet.
4- high-salt wastewater circulating pumps；5- heat exchangers, 5a- heat exchanger waterwater entrances, 5a '-heat exchanger wastewater outlet, 5b- heat
Source inlet, 5b '-thermal source outlet.
6- condensers, 6a- return air condenser inlets, 6a '-return air condensator outlet, 6b- next stage high salts are given up
Water condenser entrance, 6b '-next stage high-salt wastewater condensator outlet, 6c- condensate water discharging mouths.
7- heat-source Cycles reflux lines；8- return air ducts；9- high-salt wastewater reflux lines；10- next stage high salts are given up
Water reflux line；11- condensate draining pipes.
Embodiment
The embodiment of the present invention is described in detail below in conjunction with accompanying drawing.A kind of described high-voltage electrostatic field formula
Gas-liquid contact evaporates high-salt wastewater enrichment facility, and the device includes high voltage conversion control device（1）, high-voltage electrostatic field formula gas-liquid
Contact evaporator（2）, return air air intake blower fan（3）, flow air exhaust fan（3’）, high-salt wastewater circulating pump（4）, heat exchanger
（5）, condenser（6）, heat-source Cycles reflux line（7）, return air duct（8）, high-salt wastewater reflux line（9）, next stage
High-salt wastewater reflux line（10）, condensate draining pipe（11）；
The high voltage conversion control device（1）Including 220v alternating voltage contact jaws（1a）, high direct voltage cathode output end
（1b）, high direct voltage cathode output end（1b’）；
The high-voltage electrostatic field formula gas-liquid contact evaporator（2）(high direct voltage negative pole is connect including pin electrode plate）（2a）, copper mesh electricity
Pole（Connect high direct voltage positive pole）（2a’）, high salt thermal wastewater water inlet（2b）, high-salt wastewater delivery port（2b’）, return air evaporation
Device entrance（2c）, return air evaporator outlet（2c’）, concentrate brine discharge mouth（2d）, high-salt wastewater enters sparge pipe（2e）, fill out
The bed of material（2f）, supporting layer（2g）, concentrated seawater collecting tank（2h）, high-salt wastewater entrance（2i）；
The heat exchanger（5）Including heat exchanger waterwater entrance（5a）, heat exchanger wastewater outlet（5a’）, thermal source inlet（5b）, thermal source
Outlet（5b’）；Wherein condenser（6）Including return air condenser inlet（6a）, return air condensator outlet（6a’）, under
One-level high-salt wastewater condenser inlet（6b）, next stage high-salt wastewater condensator outlet（6b’）, condensate water discharging mouth（6c）.
The mode that the present invention is realized is that high salinity waste water passes through high-salt wastewater entrance（2i）Enter high-voltage electrostatic field formula
Gas-liquid contact evaporator（2）Concentrated seawater collecting tank（2h）, after water inlet reaches specified water level, close inlet valve；Open high salt
Waste water circulation pump（4）And high-salt wastewater reflux line（9）Valve, high-salt wastewater is in heat exchanger（5）By external heat source（It is useless
The thermals source such as heat, waste heat, solar energy and electrical heating）It is heated to lower temperature（50-70oC）Afterwards, high salt thermal wastewater is useless by high salt heat
Water water inlet sparge pipe（2b）（With shower nozzle）The porous filler layer being uniformly sprayed at drops in gas-liquid contact vaporization chamber
（2f）On, in filler surface and gap, vapor is volatilized, while realizes energy exchange, in return air air intake blower fan
（3）With return air exhaust fan（3’）Mechanical exhaust under the conditions of, the mixed gas of hot steam and air forms reflux heat
Air, in condenser（6）Second of heat exchange of middle progress, heat steam add as thermal medium to next stage high-salt wastewater
Heat, the recycling to energy is realized, water vapor condensation is into aqueous water, and condensed water is by condensate water discharging mouth（6c）Discharge；Condensation
Air afterwards is by return air duct（8）It is back to evaporator（2）In, circulated next time；Simultaneously in the filler of vaporization chamber
Layer（2f）Between be provided with high pressure needle pole plate formed high-voltage electrostatic field, the internal structure of water changes, water in high-pressure electrostatic off field
Part is more volatile, can accelerate the thickening efficiency of waste water, to reach the purpose of energy efficiency.
Specifically, the packing layer in above-mentioned（2f）Upper moisture evaporation specific implementation is in filler space and surface, water
Space between filler forms moisture film, in return air air intake blower fan（3）With return air exhaust fan（3’）Ground machine
Under tool air draft effect, when quick air passes through moisture film, water break, and in moisture film forms the cyclic process with destroying, increase
The specific surface area of moisture is added, moisture is more likely formed vapor volatilization.
Specifically, the high-voltage electrostatic field generating means in above-mentioned refers on evaporator distillery top（Gas phase）In be provided with pin
Battery lead plate (connects high direct voltage negative pole）（2a）With porous filler layer（2f）In copper net electrode（Connect high direct voltage positive pole）（2a’）
Between form high-voltage electrostatic field, the physico-chemical property of water changes, and moisture content is more volatile in high-pressure electrostatic off field, can accelerate
The thickening efficiency of waste water.
Specifically, above-mentioned described return air air intake blower fan（3）With return air exhaust fan（3’）Purpose：One side
Face is that the humid air that the vapor of evaporation and air are formed rapidly is transported into condenser（5）Second of heat exchange of middle progress,
Hot steam heats as heating agent to next stage high-salt wastewater, and water vapor condensation returns into after aqueous water, then by " dry " air
It is transported in distillery, into circulating next time, heat transfer efficiency can be accelerated；Another aspect blower fan can destroy packing layer
On moisture film, accelerate the evaporation efficiency of moisture content.
Specifically, above-mentioned described condenser（6）Equivalent to the heat exchanger of next stage vaporising device, the reflux heat of circulation is empty
Gas heats, high-salt wastewater and damp and hot sky in condenser equivalent to circulation thermal source to the high-salt wastewater in next stage evaporator
The conveying direction of gas is on the contrary, condenser（6）The port of export of high-salt wastewater and the high salt water inlet of hot water of next stage evaporator（2b）
It is connected, condenser（6）The entrance point of high-salt wastewater and the high salt hot water outlet of next stage evaporator（2b’）It is connected.
Claims (7)
1. a kind of high-voltage electrostatic field formula gas-liquid contact evaporates high-salt wastewater enrichment facility, it is characterised in that the device includes high voltage
Conversion control device（1）, high-voltage electrostatic field formula gas-liquid contact evaporator（2）, return air air intake blower fan（3）, flow air air draft
Blower fan（3’）, high-salt wastewater circulating pump（4）, heat exchanger（5）, condenser（6）, heat-source Cycles reflux line（7）, return air pipe
Road（8）, high-salt wastewater reflux line（9）, next stage high-salt wastewater reflux line（10）, condensate draining pipe（11）；
The high voltage conversion control device（1）Including 220v alternating voltage contact jaws（1a）, high direct voltage cathode output end
（1b）, high direct voltage cathode output end（1b’）；
The high-voltage electrostatic field formula gas-liquid contact evaporator（2）(high direct voltage negative pole is connect including pin electrode plate）（2a）, copper mesh electricity
Pole（Connect high direct voltage positive pole）（2a’）, high salt thermal wastewater water inlet（2b）, high-salt wastewater delivery port（2b’）, return air evaporation
Device entrance（2c）, return air evaporator outlet（2c’）, concentrate brine discharge mouth（2d）, high-salt wastewater enters sparge pipe（2e）, fill out
The bed of material（2f）, supporting layer（2g）, concentrated seawater collecting tank（2h）, high-salt wastewater entrance（2i）；
The heat exchanger（5）Including heat exchanger waterwater entrance（5a）, heat exchanger wastewater outlet（5a’）, thermal source inlet（5b）, thermal source
Outlet（5b’）；Wherein condenser（6）Including return air condenser inlet（6a）, return air condensator outlet（6a’）, under
One-level high-salt wastewater condenser inlet（6b）, next stage high-salt wastewater condensator outlet（6b’）, condensate water discharging mouth（6c）.
2. according to the high voltage conversion control device of the requirement of right 1（1）, 1a termination 220v alternating currents, the output of high direct voltage negative pole
End（1b）With high-voltage electrostatic field formula gas-liquid contact evaporator（2）In pin electrode plate (connect high direct voltage negative pole）（2a）Outer contacting
End connection, wherein pin electrode and wire use copper conductors, and pin electrode and the outer envelope of electrode bar use polytetrafluoroethylene (PTFE) material
Material parcel, high direct voltage cathode output end（1b’）With copper net electrode（Connect high direct voltage positive pole）（2a’）External contravention connection is obtained,
And positive terminal needs grounding connection, between positive/negative plate between form negative high voltage；High voltage conversion control device（1）Can be with
Show circuit voltage and current value.
3. according to the high-voltage electrostatic field formula gas-liquid contact evaporator of the requirement of right 1（2）Middle high salt thermal wastewater water inlet（2b）With changing
Hot device wastewater outlet（5a’）Connection, high-salt wastewater delivery port（2b’）With high-salt wastewater circulating pump（4）Water inlet connection；Backflow
Air evaporator entrance（2c）With return air air intake blower fan（3）Exhaust outlet connection, return air evaporator outlet（2c’）With
Flow air exhaust fan（3’）Exhaust outlet connection；Concentrate brine discharge mouth（2d）With high-salt wastewater entrance（2i）One is shared to enter
The mouth of a river, and electrically operated valve is respectively mounted in water inlet, concentration brine discharge pipe and high-salt wastewater water inlet pipe are connected by threeway.
4. according to the return air air intake blower fan of the requirement of right 1（3）Return air air intake blower fan air intake vent（3c）Pass through backflow
Air duct（8）With condenser（6）In return air condensator outlet（6a’）Connection, return air exhaust fan（3’）'s
Return air air intake blower fan exhaust outlet（3c）Pass through return air duct（8）With condenser（6）In return air condenser enter
Mouthful（6a）Connection.
5. heat exchanger is required according to right 1（5）In thermal source inlet（5b）And thermal source outlet（5b’）With heat-source Cycles reflux line
（7）First place connection, wherein thermal source can be heating agent and electrical heating etc. caused by used heat, solar energy.
6. according to the condenser of the requirement of right 1（6）In next stage high-salt wastewater condensator outlet（6b’）And next stage high salt is given up
Water condenser entrance（6b）Pass through next stage high-salt wastewater reflux line（10）First place is attached, and next stage high-salt wastewater passes through
Heat exchange itself with return air, which obtains heating, can be used as next stage high salt thermal wastewater, the heat with next stage evaporator (2)
Water intake（2b）It is connected；Containing substantial amounts of vapor in condenser in return air（6）It is middle condensation formed distilled water by
Condensate water discharging mouth（6c）Collect, then by condensate draining pipe（11）Discharge.
7. the higher Industrial Metal ion waste water of salinity, the present invention are applicable all in the not single only industry of high-salt wastewater mentioned above
The technical field such as solution concentration in the higher deionized water solution of concentration, including commercial metal ion waste water, seawater and industry.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610870159.8A CN107892347A (en) | 2016-10-04 | 2016-10-04 | A kind of high-voltage electrostatic field formula gas-liquid contact is concentrated by evaporation high-salt wastewater device and its technique |
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| CN109052801A (en) * | 2018-10-16 | 2018-12-21 | 江苏环保产业技术研究院股份公司 | A kind of high-salt wastewater low-temperature evaporation crystallization processes and device |
| CN111895554A (en) * | 2020-08-03 | 2020-11-06 | 南京工程学院 | Heat source tower solution concentration control device and method based on multistage evaporation and condensation |
| CN116114824A (en) * | 2022-12-21 | 2023-05-16 | 上海数郜机电有限公司 | Negative charge field device for promoting water loss of meat paste and water loss method |
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| CN116114824A (en) * | 2022-12-21 | 2023-05-16 | 上海数郜机电有限公司 | Negative charge field device for promoting water loss of meat paste and water loss method |
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Application publication date: 20180410 |