CN108689544A - A kind of the waste water containing boron processing unit and method of zero-emission - Google Patents
A kind of the waste water containing boron processing unit and method of zero-emission Download PDFInfo
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- CN108689544A CN108689544A CN201810817990.6A CN201810817990A CN108689544A CN 108689544 A CN108689544 A CN 108689544A CN 201810817990 A CN201810817990 A CN 201810817990A CN 108689544 A CN108689544 A CN 108689544A
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- reactor
- waste water
- heat exchanger
- water
- waste
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- 239000002351 wastewater Substances 0.000 title claims description 92
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 title claims description 23
- 229910052796 boron Inorganic materials 0.000 title claims description 23
- 238000000034 method Methods 0.000 title abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 68
- 238000007254 oxidation reaction Methods 0.000 claims abstract description 47
- 230000003647 oxidation Effects 0.000 claims abstract description 44
- 239000013078 crystal Substances 0.000 claims abstract description 43
- 238000001704 evaporation Methods 0.000 claims abstract description 43
- 230000008020 evaporation Effects 0.000 claims abstract description 43
- 239000003054 catalyst Substances 0.000 claims abstract description 34
- KGBXLFKZBHKPEV-UHFFFAOYSA-N boric acid Chemical compound OB(O)O KGBXLFKZBHKPEV-UHFFFAOYSA-N 0.000 claims abstract description 28
- 239000004327 boric acid Substances 0.000 claims abstract description 28
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 claims abstract description 8
- 239000010786 composite waste Substances 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 15
- 238000004821 distillation Methods 0.000 claims description 12
- 238000010992 reflux Methods 0.000 claims description 12
- 239000012047 saturated solution Substances 0.000 claims description 9
- 239000007787 solid Substances 0.000 claims description 9
- 239000002699 waste material Substances 0.000 claims description 9
- 238000010438 heat treatment Methods 0.000 claims description 8
- 238000006555 catalytic reaction Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 6
- 238000002156 mixing Methods 0.000 claims description 6
- 238000000926 separation method Methods 0.000 claims description 6
- 239000006228 supernatant Substances 0.000 claims description 6
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 4
- 238000009833 condensation Methods 0.000 claims description 4
- 230000005494 condensation Effects 0.000 claims description 4
- 238000006385 ozonation reaction Methods 0.000 claims description 4
- 239000010453 quartz Substances 0.000 claims description 4
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 4
- 239000002244 precipitate Substances 0.000 claims description 3
- 238000003672 processing method Methods 0.000 claims description 3
- 239000008213 purified water Substances 0.000 claims description 3
- 230000008859 change Effects 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 abstract description 5
- 238000004065 wastewater treatment Methods 0.000 abstract description 4
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 8
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 4
- ZADPBFCGQRWHPN-UHFFFAOYSA-N boronic acid Chemical compound OBO ZADPBFCGQRWHPN-UHFFFAOYSA-N 0.000 description 4
- 229920006335 epoxy glue Polymers 0.000 description 4
- 238000003756 stirring Methods 0.000 description 4
- 239000002253 acid Substances 0.000 description 3
- 230000003197 catalytic effect Effects 0.000 description 3
- 238000001556 precipitation Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000004064 recycling Methods 0.000 description 3
- 241000628997 Flos Species 0.000 description 2
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 description 2
- 239000000292 calcium oxide Substances 0.000 description 2
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 description 2
- 239000001569 carbon dioxide Substances 0.000 description 2
- 229910002092 carbon dioxide Inorganic materials 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000005342 ion exchange Methods 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 229920005989 resin Polymers 0.000 description 2
- 239000011347 resin Substances 0.000 description 2
- 238000001223 reverse osmosis Methods 0.000 description 2
- 238000010025 steaming Methods 0.000 description 2
- 239000003643 water by type Substances 0.000 description 2
- UXVMQQNJUSDDNG-UHFFFAOYSA-L Calcium chloride Chemical compound [Cl-].[Cl-].[Ca+2] UXVMQQNJUSDDNG-UHFFFAOYSA-L 0.000 description 1
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 241000790917 Dioxys <bee> Species 0.000 description 1
- 241001465754 Metazoa Species 0.000 description 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 150000001639 boron compounds Chemical class 0.000 description 1
- 150000001642 boronic acid derivatives Chemical class 0.000 description 1
- 239000001110 calcium chloride Substances 0.000 description 1
- 229910001628 calcium chloride Inorganic materials 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000006184 cosolvent Substances 0.000 description 1
- 238000002425 crystallisation Methods 0.000 description 1
- 230000008025 crystallization Effects 0.000 description 1
- 230000001351 cycling effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 230000004907 flux Effects 0.000 description 1
- 239000012634 fragment Substances 0.000 description 1
- -1 hydroxyl radical free radical Chemical class 0.000 description 1
- 239000002917 insecticide Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000012528 membrane Substances 0.000 description 1
- 238000004321 preservation Methods 0.000 description 1
- 239000003755 preservative agent Substances 0.000 description 1
- 230000002335 preservative effect Effects 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 230000009257 reactivity Effects 0.000 description 1
- 230000008929 regeneration Effects 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 150000003839 salts Chemical class 0.000 description 1
- 239000010802 sludge Substances 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002023 wood Substances 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
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/725—Treatment of water, waste water, or sewage by oxidation by catalytic oxidation
-
- 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
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
- C02F2001/5218—Crystallization
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/108—Boron compounds
Landscapes
- 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)
- Heat Treatment Of Water, Waste Water Or Sewage (AREA)
- Treatment Of Water By Oxidation Or Reduction (AREA)
Abstract
The invention discloses the boric acid wastewater treatment equipments and method of a kind of zero-emission, including first heat exchanger, precipitated crystal reactor, second heat exchanger, evaporate reactor and catalyst oxidation reactor, the phegma water inlet and phegma water outlet of the first heat exchanger are respectively communicated with the evaporation reactor and precipitated crystal reactor, the precipitated crystal water outlet of the precipitated crystal reactor and the raw water water outlet of first heat exchanger are connected to second heat exchanger water inlet pipe, second heat exchanger outlet pipe is connected to the evaporation reactor, the phegma outlet first heat exchanger of the evaporation reactor, the steam outlet of the evaporation reactor is connected to the catalyst oxidation reactor by second heat exchanger, each component is closely connected, realization recycles, save energy consumption, do not generate secondary pollution.
Description
Technical field
The present invention relates to technical field of waste water processing, and in particular to a kind of waste water containing boron processing unit of zero-emission and side
Method.
Background technology
Boric acid is one of the base stock for producing other borides, and the boron compound produced by it is widely used in the Ministry of Industry
Door and R&D institution.As made additive, cosolvent in metallurgical industry.In nuclear power plant as chemical shim, reactivity is reduced.Boron
Acid has anti-corrosive properties, can make preservative, such as wood preservation.Insecticide and catalyst can be also used as.In production boronic acid compounds commodity
And during being used as catalyst, the boric acid waste liquid of various concentration will produce.Boric acid has stronger harmfulness, unprocessed
Discharge may polluted source, soil, harm the crops and people and animals, and be difficult to eliminate its influence in the short term.Some masters
Industrial country is wanted to provide the limit value of boron in wastewater discharge standard, although still there is no limit the discharges of boron for the national standard in China
Value, but the discharge water standard of some departments, industry defines the limit value of boron.Currently, the minimizing technology of Boron in Wastewater acid have from
Sub- exchange process, reverse osmosis, the independent method using calcium oxide, each method all have some limitations.
Ion-exchange is relatively conventional in handling nuclear power station boronic acid containing waste water, but the use of ion-exchange process has one
Fixed limitation, exchange capacity have certain limitation, and when for high concentration of boric acid waste water, engineering capital cost is higher;Again
The dosage of raw liquid is 5 times of resin volume, needs to carry out after-treatment to regenerated liquid after regeneration, easy tos produce secondary pollution;Tree
Fat surface has the situation of organic matter dissolution;Disintegration fragment of resin etc. can cause the increase of SS in water.
For reverse osmosis during handling boronic acid containing waste water, film surface is easy fouling, makes flux depression, to reduce
Water is handled, next easy tos produce fouling membrane, and maintenance process is complex.
The boric acid in the precipitation method such as calcium chloride, calcium oxide removal waste water is added, 9 or more, therefore pH value in reaction requires
It needs to carry out soda acid adjustment, cumbersome, the sludge that the precipitation method generate, which needs to transport outward, carries out after-treatment, be easy to cause secondary dirt
Dye.
For wastewater treatment, proposed first by developed country one of the last century 70's is comprehensive to apply skill
Art-zero-emission, i.e., factory with water except evaporation etc. is in addition to natural loss, all by various processing on-site recycling not
Any waste water is discharged outward, and the salt accumulated in water circulation system is discharged in solid form by evaporative crystallization.Therefore, now anxious
A kind of controlling device for waste water containing boron is needed, zero-emission is achieved.
Invention content
Zero emission requirement can be reached the technical problem to be solved in the present invention is to provide a kind of, device is easy to operate, does not generate
Secondary pollution, boric acid can carry out resource reclaim recycling, and tail water can be used as plant area's flushing water and use at the boric acid waste water of zero-emission
Manage method and device.
In order to solve the above technical problem, the present invention provides a kind of waste water containing boron processing units of zero-emission, including
One heat exchanger, precipitated crystal reactor, second heat exchanger, evaporation reactor and catalyst oxidation reactor, first heat
The phegma water inlet and phegma water outlet of exchanger are respectively communicated with the evaporation reactor and precipitated crystal reactor, described
The precipitated crystal water outlet of precipitated crystal reactor and the raw water water outlet of first heat exchanger are intake with second heat exchanger
Pipe is connected to, and second heat exchanger outlet pipe is connected to the evaporation reactor, the phegma outlet of the evaporation reactor
The steam outlet of first heat exchanger, the evaporation reactor is connected to the catalytic oxidation by second heat exchanger
Device, each component are closely connected, and realization recycles, and save energy consumption, do not generate secondary pollution.
Further, scraper-type mud scraper and crystal collecting tank are provided in precipitated crystal reactor, the collecting tank connects
Solid discharge mouth is connect, rear resource reutilization is collected.
Further, the end of precipitated crystal reactor, which is equipped with, is mixed area, and the raw water water outlet connection is described mixed
Stirring area is closed, pipe-line mixer is installed inside the mixing area, waste water is made to be uniformly mixed with wastewater supernatant fluid.
Further, it evaporates in reactor and is provided with heating tube, to waste water continuous heating.
Further, it evaporates between reactor and the first heat exchanger and is provided with reflux pump, pass through carrying for reflux pump
Waste water cycle is realized in the effect of liter.
Further, catalyst oxidation reactor is vertically arranged, and the condensed water outlet pipe of the second heat exchanger is connected to institute
The bottom of catalyst oxidation reactor is stated, the bottom of the catalyst oxidation reactor is provided with ozonation aerated device, into catalysis oxidation
Distillation waste water in reactor, preferentially with ozone reaction.
Further, the top of catalyst oxidation reactor is provided with Tail water reuse mouth, and the ultraviolet lamp tube being vertically arranged is fixed
In the top center of the catalyst oxidation reactor, under the catalytic action of ultraviolet light, enhance ozone oxidation efficiency.
Further, it is arranged with quartz tube cover outside ultraviolet lamp tube and avoids ultraviolet lamp and waste water, increase making for ultraviolet lamp
Use the service life.
Further, exhaust outlet is provided at the top of catalyst oxidation reactor, the carbon dioxide and residue that oxidation reaction generates
Ozone gas is discharged by exhaust outlet.
A kind of boronic acid containing wastewater treatment equipment advantageous effect compared with prior art of zero-emission of the present invention is,
1, the boric acid in waste water can be recycled, realizes recycling, harmless treatment;
2, distill after waste water use catalysis oxidation method, direct oxidation become water and carbon dioxide, efficiently, safety,
Non-secondary pollution;
3, tail water can realize cycling and reutilization after processing;
4, in waste water boric acid and other inorganic pollution matter removal rates be up to 99.99%.
The present invention also provides a kind of waste water containing boron processing methods of zero-emission, include the following steps:30 DEG C of waste water below
Evaporation reactor is flowed into through raw water inlet;Waste water is heated to 100 DEG C or more by evaporation reactor, formed boric acid saturated solution and
Waste steam;The saturated solution evaporated in reactor exports discharge through phegma, and reflux is entered under the castering action of reflux pump
Liquid water inlet, the waste water steam evaporated in reactor are discharged into second heat exchanger by steam outlet;Waste water and phegma are
Heat exchange is completed in one heat exchanger, the temperature of waste water reaches 50-60 DEG C, and the temperature of phegma reaches 55-65 DEG C;Heat is completed to hand over
The phegma changed enters precipitated crystal reactor, is separated by solid-liquid separation;The boric acid crystal of separation is pushed to through scraper-type mud scraper
Crystal collecting tank is collected rear resource reutilization by solid discharge mouth;After waste water and the reflux liquid precipitate of completing heat exchange
Wastewater supernatant fluid enter be mixed area, be mixed area be mixed to form composite waste;Composite waste enters the second heat and hands over
Parallel operation, composite waste carry out heat exchange with the vapor in evaporation reactor in second heat exchanger, the mixing after heat exchange
The temperature of waste water reaches 70-80 DEG C;Composite waste after heat exchange enters evaporation reactor, is heated in evaporation reactor
100 DEG C or more, form boric acid saturated solution and waste steam;Waste water steam condensation after heat exchange becomes distillation waste water, enters
Catalyst oxidation reactor, distillation waste water are used as plant area's reuse in catalyst oxidation reactor by catalysis oxidation, purified water outlet
Water.
A kind of boronic acid containing wastewater treatment method of zero-emission of the present invention, realizes that complete zero-emission, process route are fully examined
Consider energy consumption problem, reduces operating cost, high degree of automation.
Description of the drawings
Fig. 1 is overall structure of the present invention.
1-1 second heat exchangers;1-2 second heat exchanger water inlet pipes;1-3 second heat exchanger outlet pipes;1-4 condensed waters
Outlet pipe;1-5 steam inlet tubes;
2-1 evaporates reactor;2-2 heating tubes;2-3 reflux pumps;2-4 phegmas export;2-5 evaporator water inlet pipes;2-6 steams
Vapour floss hole;
3-1 precipitated crystal reactors;3-2 phegma water inlets;3-3 scraper-type mud scrapers;3-4 crystal collecting tanks;3-5 is solid
Body floss hole;Area is mixed in 3-6;3-7 precipitated crystal water outlets;
4-1 first heat exchangers;4-2 raw water inlets;4-3 phegma water outlets;4-4 phegma water inlets;4-5 raw waters
Water outlet;
5-1 catalyst oxidation reactors;The ozonation aerated devices of 5-2;5-3 ultraviolet lamp tubes;5-4 quartz tube covers;5-5 Tail water reuses
Mouthful;5-6 exhaust outlets.
Specific implementation mode
The invention will be further described in the following with reference to the drawings and specific embodiments, so that those skilled in the art can be with
It more fully understands the present invention and can be practiced, but illustrated embodiment is not as a limitation of the invention.
As shown in Figure 1, a kind of waste water containing boron processing unit of zero-emission, including first heat exchanger 4-1, precipitated crystal are anti-
It answers device 3-1, second heat exchanger 1-1, evaporate reactor 2-1 and catalyst oxidation reactor 5-1, first heat exchanger 4-1 connects altogether
Four pipelines are connect, are raw water inlet 4-2, raw water water outlet 4-5, phegma water inlet 3-24-4 and phegma water outlet respectively
4-3, waste water are flowed into from raw water inlet 4-2 in first heat exchanger 4-1, and the phegma of the first heat exchanger 4-1 is intake
Mouth 3-24-4 and phegma water outlet 4-3 is respectively communicated with the evaporation reactor 2-1 and precipitated crystal reactor 3-1, the first heat
Exchanger 4-1 settings are in precipitated crystal device front end, from 100 DEG C of saturation boric acid return of waste water liquid of evaporation reactor 2-1 outflows
After completing in first heat exchanger 4-1 heat exchange with waste water, phegma temperature is reduced to 60 DEG C or so, preferably between 55-65 DEG C,
Waste water temperature rises to 55 DEG C or so, preferably between 50-60 DEG C, to ensure that the temperature of phegma and waste water meets after heat exchange
It is required that temperature of the waste water between entering first heat exchanger 4-1 is less than 30 DEG C, due to boric acid waste water at different temperatures molten
The difference of Xie Du is separated by solid-liquid separation in precipitated crystal reactor 3-1, and the solubility of boric acid is 37g and waste water at 100 DEG C
Water temperature reaches 60 DEG C or so after mixing, and boric acid waste water solubility at this time is 15g, i.e., it is brilliant 22g boric acid to be precipitated per 100ml waste water energies
On the one hand body, first heat exchanger 4-1 reduce the temperature of boric acid saturation waste liquid, at different temperatures using boric acid, solubility
Difference, the boric acid in waste water is detached, waste water is on the other hand made to be preheated before entering evaporation reactor 2-1,
The energy consumption of evaporation reactor 2-1 is reduced, scraper-type mud scraper 3-3 is provided in the precipitated crystal reactor 3-1 and crystal is received
Collect slot 3-4, the collecting tank connects solid discharge mouth 3-5, and the crystal being precipitated in precipitated crystal reactor 3-1 scrapes mud through scraper-type
Machine 3-3 promotions are finally fallen into crystal collecting tank 3-4, and rear resource reutilization is collected by solid discharge mouth 3-5, described
The raw water water outlet 4-5 of the precipitated crystal water outlet 3-7 and first heat exchanger 4-1 of precipitated crystal reactor 3-1 are with second
Heat exchanger water inlet pipe 1-2 connections, the wastewater supernatant fluid after waste water and reflux liquid precipitate after heating are mixed into the second heat and hand over
Parallel operation 1-1, to make waste water be uniformly mixed with wastewater supernatant fluid, the end of the precipitated crystal reactor 3-1 is stirred equipped with epoxy glue
Area 3-6 is mixed, the raw water water outlet 4-5 is connected to the epoxy glue stirring area 3-6, is installed inside the epoxy glue stirring area 3-6
There is a pipe-line mixer, second heat exchanger 1-1 totally four pipelines go out for second heat exchanger water inlet pipe 1-2, second heat exchanger
Water pipe 1-3, condensed water outlet pipe 1-4 and steam inlet tube 1-5, precipitated crystal device water outlet and second heat exchanger water inlet pipe 1-
2 connections, the water temperature of epoxy glue stirring area 3-6 water outlets is further increased in second heat exchanger 1-1, enters steaming to composite waste
Secondary preheating is carried out before hair reactor 2-1, the composite waste temperature after heat exchange reaches 75 DEG C or so, reduces evaporation reactor 2-
1 energy consumption, second heat exchanger outlet pipe 1-3 are connected to the evaporation reactor 2-1, connect evaporator water inlet pipe 2-5, the steaming
Heating tube 2-2 is provided in hair reactor 2-1, heating tube 2-2 continuous heatings make waste water temperature in evaporation reactor 2-1 keep
100 DEG C or more, the phegma outlet 2-4 of the evaporation reactor 2-1 is connected to first heat exchanger 4-1, the evaporation reactor
Reflux pump 2-3 is provided between 2-1 and the first heat exchanger 4-1, the saturation boric acid solution in evaporation reactor 2-1 is being returned
Enter phegma water inlet 3-24-4 under the castering action of stream pump 2-3, carries out circulate operation, the steam of second heat exchanger 1-1
Inlet tube 1-5 and condensed water outlet pipe 1-4 are connected with steam outlet 2-6 and catalyst oxidation reactor 5-1 respectively, the evaporation
The steam outlet 2-6 of reactor 2-1 is connected to the catalyst oxidation reactor 5-1, evaporation reaction by second heat exchanger 1-1
The waste steam formed in device 2-1 condensation after heat exchange in second heat exchanger 1-1 forms distillation waste water, and part boiling point is less than
100 ° of organic matter also can enter second heat exchanger 1-1 together with vapor, be discharged with the condensed water of distillation waste water
Pipe 1-4 is discharged into catalyst oxidation reactor 5-1.
The catalyst oxidation reactor 5-1 is vertically arranged, and the condensed water outlet pipe 1-4 of the second heat exchanger 1-1 connects
Leading to the bottom of the catalyst oxidation reactor 5-1, the bottom of the catalyst oxidation reactor 5-1 is provided with ozonation aerated device 5-2,
Into the distillation waste water in catalyst oxidation reactor 5-1, preferentially with ozone reaction, and filled with ozone during continuous rise
Tap is touched, and oxidation reaction is thorough, and the top of the catalyst oxidation reactor 5-1 is provided with Tail water reuse mouth 5-5, is vertically arranged
Ultraviolet lamp tube 5-3 is fixed on the top center of the catalyst oxidation reactor 5-1, as distillation waste water constantly rises, merges
The distillation waste water of ozone accelerates ozone to generate the rate of hydroxyl radical free radical under the catalytic action of ultraviolet light, enhances oxidation efficiency,
Achieve the purpose that purification, to avoid ultraviolet lamp and waste water, increase the service life of ultraviolet lamp, outside the ultraviolet lamp tube 5-3
It is arranged at the top of quartz tube cover 5-4, the catalyst oxidation reactor 5-1 and is provided with exhaust outlet 5-6, the dioxy that oxidation reaction generates
Change carbon and residual ozone gas is discharged by exhaust outlet 5-6, purified tail water carries out reuse by Tail water reuse mouth 5-5.
A kind of waste water containing boron processing method of zero-emission of the present invention, includes the following steps:30 DEG C of waste water below, preferably
20 DEG C of waste water flows into evaporation reactor through raw water inlet;Waste water is heated to 100 DEG C or more by evaporation reactor, forms boric acid
Saturated solution and waste steam;The saturated solution evaporated in reactor exports discharge through phegma, in the castering action of reflux pump
Lower to enter phegma water inlet, the waste water steam evaporated in reactor is discharged into second heat exchanger by steam outlet;Waste water and
Phegma completes heat exchange in first heat exchanger, and the temperature of waste water reaches 50-60 DEG C, and the temperature of phegma reaches 55-65
℃;The phegma for completing heat exchange enters precipitated crystal reactor, is separated by solid-liquid separation;The boric acid crystal of separation is scraped through scraper-type
Mud machine is pushed to crystal collecting tank, and rear resource reutilization is collected by solid discharge mouth;It completes the waste water of heat exchange and returns
Wastewater supernatant fluid after flow liquid precipitation, which enters, is mixed area, and composite waste is mixed to form area is mixed;Composite waste into
Enter second heat exchanger, composite waste carries out heat exchange with the waste water steam in evaporation reactor in second heat exchanger, heat
The temperature of composite waste after exchange reaches 70-80 DEG C;Composite waste after heat exchange enters evaporation reactor, is reacted in evaporation
It is heated to 100 DEG C or more in device, forms boric acid saturated solution and waste steam;Waste water steam condensation after heat exchange becomes distillation
Waste water, into catalyst oxidation reactor, distillation waste water is in catalyst oxidation reactor by catalysis oxidation, purified water outlet conduct
Plant area's recycle-water.
Embodiment described above is only to absolutely prove preferred embodiment that is of the invention and being lifted, protection model of the invention
It encloses without being limited thereto.Those skilled in the art on the basis of the present invention made by equivalent substitute or transformation, in the present invention
Protection domain within.Protection scope of the present invention is subject to claims.
Claims (10)
1. a kind of waste water containing boron processing unit of zero-emission, which is characterized in that reacted including first heat exchanger, precipitated crystal
Device, second heat exchanger, evaporation reactor and catalyst oxidation reactor, the phegma water inlet of the first heat exchanger and are returned
Flow liquid water outlet is respectively communicated with the evaporation reactor and precipitated crystal reactor, the precipitated crystal of the precipitated crystal reactor
Water outlet and the raw water water outlet of first heat exchanger are connected to second heat exchanger water inlet pipe, second heat exchanger outlet pipe
It is connected to the evaporation reactor, the phegma outlet first heat exchanger of the evaporation reactor, the evaporation reaction
The steam outlet of device is connected to the catalyst oxidation reactor by second heat exchanger.
2. a kind of waste water containing boron processing unit of zero-emission as described in claim 1, which is characterized in that the precipitated crystal is anti-
It answers and is provided with scraper-type mud scraper and crystal collecting tank in device, the collecting tank connects solid discharge mouth.
3. a kind of waste water containing boron processing unit of zero-emission as described in claim 1, which is characterized in that the precipitated crystal is anti-
It answers the end of device to be equipped with and area is mixed, the raw water water outlet is connected to the mixing area, inside the mixing area
Pipe-line mixer is installed.
4. a kind of waste water containing boron processing unit of zero-emission as described in claim 1, which is characterized in that the evaporation reactor
Inside it is provided with heating tube.
5. a kind of waste water containing boron processing unit of zero-emission as described in claim 1, which is characterized in that the evaporation reactor
It is provided with reflux pump between the first heat exchanger.
6. a kind of waste water containing boron processing unit of zero-emission as described in claim 1, which is characterized in that the catalysis oxidation is anti-
Device is answered to be vertically arranged, the condensed water outlet pipe of the second heat exchanger is connected to the bottom of the catalyst oxidation reactor, described
The bottom of catalyst oxidation reactor is provided with ozonation aerated device.
7. a kind of waste water containing boron processing unit of zero-emission as claimed in claim 6, which is characterized in that the catalysis oxidation is anti-
The top of device is answered to be provided with Tail water reuse mouth, the ultraviolet lamp tube being vertically arranged is fixed in the top of the catalyst oxidation reactor
The heart.
8. a kind of waste water containing boron processing unit of zero-emission as claimed in claim 7, which is characterized in that outside the ultraviolet lamp tube
It is arranged with quartz tube cover.
9. a kind of waste water containing boron processing unit of zero-emission as claimed in claim 6, which is characterized in that the catalysis oxidation is anti-
It answers and is provided with exhaust outlet at the top of device.
10. a kind of waste water containing boron processing method of zero-emission using any one of claim 1-9 described devices, feature exist
In including the following steps:30 DEG C of waste water below flow into evaporation reactor through raw water inlet;Evaporation reactor heats waste water
To 100 DEG C or more, boric acid saturated solution and waste steam are formed;The saturated solution evaporated in reactor exports row through phegma
Go out, phegma water inlet is entered under the castering action of reflux pump, the waste water steam evaporated in reactor is arranged by steam outlet
Enter second heat exchanger;Waste water and phegma complete heat exchange in first heat exchanger, and the temperature of waste water reaches 50-60 DEG C,
The temperature of phegma reaches 55-65 DEG C;The phegma for completing heat exchange enters precipitated crystal reactor, is separated by solid-liquid separation;Point
From boric acid crystal be pushed to crystal collecting tank through scraper-type mud scraper, it is sharp again to be collected rear resource by solid discharge mouth
With;The waste water and the wastewater supernatant fluid after reflux liquid precipitate for completing heat exchange enter mixing area, are mixed area is mixed
Form composite waste;Composite waste enters second heat exchanger, and composite waste is with the vapor in evaporation reactor in the second heat
Heat exchange is carried out in exchanger, the temperature of the composite waste after heat exchange reaches 70-80 DEG C;Composite waste after heat exchange enters
Reactor is evaporated, 100 DEG C or more is heated in evaporation reactor, forms boric acid saturated solution and waste steam;After heat exchange
The condensation of waste water steam become distillation waste water, into catalyst oxidation reactor, distillation waste water is urged in catalyst oxidation reactor
Change oxidation, purified water outlet is used as plant area's recycle-water.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453909A (en) * | 2020-04-27 | 2020-07-28 | 重庆工商大学 | Chemical treatment device for medical industry waste liquid |
Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1475801A (en) * | 1966-02-15 | 1967-04-07 | Air Liquide | Process for the continuous preparation of crystalline substances |
| US4444680A (en) * | 1981-06-26 | 1984-04-24 | Westinghouse Electric Corp. | Process and apparatus for the volume reduction of PWR liquid wastes |
| GB8518117D0 (en) * | 1984-07-25 | 1985-08-21 | Kyushu Electric Power | Treatment for radioactive waste water |
| US4800042A (en) * | 1985-01-22 | 1989-01-24 | Jgc Corporation | Radioactive waste water treatment |
| EP0630029A1 (en) * | 1993-06-16 | 1994-12-21 | "STUDIECENTRUM VOOR KERNENERGIE", instelling van openbaar nut. | Method for separating boric acid |
| JPH11267661A (en) * | 1998-03-23 | 1999-10-05 | Ebara Corp | Treatment of boron-containing waste water |
| RU2142329C1 (en) * | 1998-09-22 | 1999-12-10 | Федеральное государственное унитарное предприятие "Исследовательский центр им.М.В.Келдыша" | Method of inverse-osmotic separation of crystals from mineralized water (versions) |
| JP2002148389A (en) * | 2000-09-04 | 2002-05-22 | Kobe Steel Ltd | Method and apparatus for solidifying radioactive waste solution |
| CN103402917A (en) * | 2011-02-22 | 2013-11-20 | 旭硝子株式会社 | Method and device for recovering boric acid |
| CN204614460U (en) * | 2015-04-16 | 2015-09-02 | 湖南桃花江核电有限公司 | Boron-containing radioactive waste liquid deep purifying reclaims the equipment of boric acid simultaneously |
| CN204644038U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | A kind of low-temperature evaporation formula high slat-containing wastewater treatment unit |
| CN204644039U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | Utilize the low-temperature evaporation formula high slat-containing wastewater treatment unit of waste water residual heat |
| CN105000740A (en) * | 2015-07-16 | 2015-10-28 | 广州市心德实业有限公司 | Garbage leachate treatment process and system |
| CN105271326A (en) * | 2014-06-27 | 2016-01-27 | 沈阳铝镁设计研究院有限公司 | Method for improving water-return ratio of primary water in evaporation system |
| CN205328787U (en) * | 2016-01-13 | 2016-06-22 | 江苏瑞达环保科技有限公司 | Zinc borate waste water's resourceful treatment system |
| CN205391765U (en) * | 2016-02-24 | 2016-07-27 | 盐城市虹艳化工有限公司 | Concentrated crystallization device of 1, 4 - dihydroxyanthraquinone spent acid |
| CN107311239A (en) * | 2017-04-13 | 2017-11-03 | 北京浦仁美华环保科技股份有限公司 | The MVR of hydrochloric spent acid is concentrated by evaporation recovery process |
| CN208814821U (en) * | 2018-07-24 | 2019-05-03 | 苏州方舟环保科技有限公司 | A kind of waste water containing boron processing unit of zero-emission |
-
2018
- 2018-07-24 CN CN201810817990.6A patent/CN108689544A/en active Pending
Patent Citations (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1475801A (en) * | 1966-02-15 | 1967-04-07 | Air Liquide | Process for the continuous preparation of crystalline substances |
| US4444680A (en) * | 1981-06-26 | 1984-04-24 | Westinghouse Electric Corp. | Process and apparatus for the volume reduction of PWR liquid wastes |
| GB8518117D0 (en) * | 1984-07-25 | 1985-08-21 | Kyushu Electric Power | Treatment for radioactive waste water |
| US4800042A (en) * | 1985-01-22 | 1989-01-24 | Jgc Corporation | Radioactive waste water treatment |
| EP0630029A1 (en) * | 1993-06-16 | 1994-12-21 | "STUDIECENTRUM VOOR KERNENERGIE", instelling van openbaar nut. | Method for separating boric acid |
| JPH11267661A (en) * | 1998-03-23 | 1999-10-05 | Ebara Corp | Treatment of boron-containing waste water |
| RU2142329C1 (en) * | 1998-09-22 | 1999-12-10 | Федеральное государственное унитарное предприятие "Исследовательский центр им.М.В.Келдыша" | Method of inverse-osmotic separation of crystals from mineralized water (versions) |
| JP2002148389A (en) * | 2000-09-04 | 2002-05-22 | Kobe Steel Ltd | Method and apparatus for solidifying radioactive waste solution |
| CN103402917A (en) * | 2011-02-22 | 2013-11-20 | 旭硝子株式会社 | Method and device for recovering boric acid |
| CN105271326A (en) * | 2014-06-27 | 2016-01-27 | 沈阳铝镁设计研究院有限公司 | Method for improving water-return ratio of primary water in evaporation system |
| CN204614460U (en) * | 2015-04-16 | 2015-09-02 | 湖南桃花江核电有限公司 | Boron-containing radioactive waste liquid deep purifying reclaims the equipment of boric acid simultaneously |
| CN204644038U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | A kind of low-temperature evaporation formula high slat-containing wastewater treatment unit |
| CN204644039U (en) * | 2015-04-30 | 2015-09-16 | 北京朗新明环保科技有限公司南京分公司 | Utilize the low-temperature evaporation formula high slat-containing wastewater treatment unit of waste water residual heat |
| CN105000740A (en) * | 2015-07-16 | 2015-10-28 | 广州市心德实业有限公司 | Garbage leachate treatment process and system |
| CN205328787U (en) * | 2016-01-13 | 2016-06-22 | 江苏瑞达环保科技有限公司 | Zinc borate waste water's resourceful treatment system |
| CN205391765U (en) * | 2016-02-24 | 2016-07-27 | 盐城市虹艳化工有限公司 | Concentrated crystallization device of 1, 4 - dihydroxyanthraquinone spent acid |
| CN107311239A (en) * | 2017-04-13 | 2017-11-03 | 北京浦仁美华环保科技股份有限公司 | The MVR of hydrochloric spent acid is concentrated by evaporation recovery process |
| CN208814821U (en) * | 2018-07-24 | 2019-05-03 | 苏州方舟环保科技有限公司 | A kind of waste water containing boron processing unit of zero-emission |
Non-Patent Citations (1)
| Title |
|---|
| 环境保护部宣传教育中心等编: "《持久性有机污染物及其防治》", 北京：中国环境科学出版社, pages: 152 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111453909A (en) * | 2020-04-27 | 2020-07-28 | 重庆工商大学 | Chemical treatment device for medical industry waste liquid |
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