CN107604377A - A kind of device for production water supply javelle water - Google Patents
A kind of device for production water supply javelle water Download PDFInfo
- Publication number
- CN107604377A CN107604377A CN201710982108.9A CN201710982108A CN107604377A CN 107604377 A CN107604377 A CN 107604377A CN 201710982108 A CN201710982108 A CN 201710982108A CN 107604377 A CN107604377 A CN 107604377A
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- China
- Prior art keywords
- tank
- chlorine
- order
- brine
- water
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- SUKJFIGYRHOWBL-UHFFFAOYSA-N sodium hypochlorite Chemical compound [Na+].Cl[O-] SUKJFIGYRHOWBL-UHFFFAOYSA-N 0.000 title claims abstract description 74
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 74
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 21
- HEMHJVSKTPXQMS-UHFFFAOYSA-M sodium hydroxide Inorganic materials [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims abstract description 266
- 235000002639 sodium chloride Nutrition 0.000 claims abstract description 102
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical compound O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 claims abstract description 80
- 239000012267 brine Substances 0.000 claims abstract description 79
- 239000000460 chlorine Substances 0.000 claims abstract description 70
- 229910052801 chlorine Inorganic materials 0.000 claims abstract description 69
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 claims abstract description 67
- 150000003839 salts Chemical class 0.000 claims abstract description 67
- 239000005708 Sodium hypochlorite Substances 0.000 claims abstract description 53
- 238000006243 chemical reaction Methods 0.000 claims abstract description 52
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 claims abstract description 37
- 239000011780 sodium chloride Substances 0.000 claims abstract description 35
- 239000007788 liquid Substances 0.000 claims abstract description 28
- 239000003014 ion exchange membrane Substances 0.000 claims abstract description 23
- 239000001257 hydrogen Substances 0.000 claims abstract description 16
- 229910052739 hydrogen Inorganic materials 0.000 claims abstract description 16
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 claims abstract description 13
- 239000000243 solution Substances 0.000 claims description 44
- 239000012528 membrane Substances 0.000 claims description 20
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000000576 coating method Methods 0.000 claims description 8
- 230000000694 effects Effects 0.000 claims description 8
- 229920006395 saturated elastomer Polymers 0.000 claims description 8
- 239000011248 coating agent Substances 0.000 claims description 7
- 239000007789 gas Substances 0.000 claims description 7
- 238000000926 separation method Methods 0.000 claims description 7
- 229910001415 sodium ion Inorganic materials 0.000 claims description 6
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 claims description 5
- 230000008859 change Effects 0.000 claims description 5
- 230000005484 gravity Effects 0.000 claims description 5
- 238000005342 ion exchange Methods 0.000 claims description 5
- 239000011734 sodium Substances 0.000 claims description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 claims description 4
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims description 4
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 4
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 4
- 230000008901 benefit Effects 0.000 claims description 4
- 229910052759 nickel Inorganic materials 0.000 claims description 4
- 229910052707 ruthenium Inorganic materials 0.000 claims description 4
- 229910052708 sodium Inorganic materials 0.000 claims description 4
- 239000010936 titanium Substances 0.000 claims description 4
- 229910052719 titanium Inorganic materials 0.000 claims description 4
- 238000007599 discharging Methods 0.000 claims description 3
- 230000004044 response Effects 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 125000001309 chloro group Chemical group Cl* 0.000 claims description 2
- 239000001301 oxygen Substances 0.000 claims description 2
- 229910052760 oxygen Inorganic materials 0.000 claims description 2
- 239000008234 soft water Substances 0.000 claims description 2
- 239000007787 solid Substances 0.000 abstract description 6
- 238000012423 maintenance Methods 0.000 abstract description 2
- -1 water softener Chemical compound 0.000 abstract description 2
- 239000003513 alkali Substances 0.000 description 23
- WQYVRQLZKVEZGA-UHFFFAOYSA-N hypochlorite Chemical compound Cl[O-] WQYVRQLZKVEZGA-UHFFFAOYSA-N 0.000 description 12
- 238000004659 sterilization and disinfection Methods 0.000 description 12
- 239000003792 electrolyte Substances 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000005868 electrolysis reaction Methods 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 230000004888 barrier function Effects 0.000 description 4
- OSVXSBDYLRYLIG-UHFFFAOYSA-N dioxidochlorine(.) Chemical group O=Cl=O OSVXSBDYLRYLIG-UHFFFAOYSA-N 0.000 description 4
- 235000015598 salt intake Nutrition 0.000 description 4
- 239000012266 salt solution Substances 0.000 description 4
- 230000001954 sterilising effect Effects 0.000 description 4
- BHPQYMZQTOCNFJ-UHFFFAOYSA-N Calcium cation Chemical compound [Ca+2] BHPQYMZQTOCNFJ-UHFFFAOYSA-N 0.000 description 3
- JLVVSXFLKOJNIY-UHFFFAOYSA-N Magnesium ion Chemical compound [Mg+2] JLVVSXFLKOJNIY-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 3
- 229910001424 calcium ion Inorganic materials 0.000 description 3
- 239000002131 composite material Substances 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 229910001425 magnesium ion Inorganic materials 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- BZSXEZOLBIJVQK-UHFFFAOYSA-N 2-methylsulfonylbenzoic acid Chemical group CS(=O)(=O)C1=CC=CC=C1C(O)=O BZSXEZOLBIJVQK-UHFFFAOYSA-N 0.000 description 2
- XTEGARKTQYYJKE-UHFFFAOYSA-M Chlorate Chemical compound [O-]Cl(=O)=O XTEGARKTQYYJKE-UHFFFAOYSA-M 0.000 description 2
- 239000004155 Chlorine dioxide Chemical group 0.000 description 2
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- ABDBNWQRPYOPDF-UHFFFAOYSA-N carbonofluoridic acid Chemical compound OC(F)=O ABDBNWQRPYOPDF-UHFFFAOYSA-N 0.000 description 2
- 235000019398 chlorine dioxide Nutrition 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 150000002431 hydrogen Chemical class 0.000 description 2
- 239000002994 raw material Substances 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- RTKIYNMVFMVABJ-UHFFFAOYSA-L thimerosal Chemical compound [Na+].CC[Hg]SC1=CC=CC=C1C([O-])=O RTKIYNMVFMVABJ-UHFFFAOYSA-L 0.000 description 2
- 229940033663 thimerosal Drugs 0.000 description 2
- ZCYVEMRRCGMTRW-UHFFFAOYSA-N 7553-56-2 Chemical compound [I] ZCYVEMRRCGMTRW-UHFFFAOYSA-N 0.000 description 1
- LSNNMFCWUKXFEE-UHFFFAOYSA-M Bisulfite Chemical compound OS([O-])=O LSNNMFCWUKXFEE-UHFFFAOYSA-M 0.000 description 1
- 241000370738 Chlorion Species 0.000 description 1
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 description 1
- 102000005393 Sodium-Potassium-Exchanging ATPase Human genes 0.000 description 1
- 108010006431 Sodium-Potassium-Exchanging ATPase Proteins 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006298 dechlorination reaction Methods 0.000 description 1
- 238000000354 decomposition reaction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000008021 deposition Effects 0.000 description 1
- 239000000645 desinfectant Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- JEGUKCSWCFPDGT-UHFFFAOYSA-N h2o hydrate Chemical compound O.O JEGUKCSWCFPDGT-UHFFFAOYSA-N 0.000 description 1
- QWPPOHNGKGFGJK-UHFFFAOYSA-N hypochlorous acid Chemical compound ClO QWPPOHNGKGFGJK-UHFFFAOYSA-N 0.000 description 1
- KQPBSBAEBKRAAU-UHFFFAOYSA-N hypochlorous acid;sodium Chemical compound [Na].ClO KQPBSBAEBKRAAU-UHFFFAOYSA-N 0.000 description 1
- 239000011229 interlayer Substances 0.000 description 1
- 229910052740 iodine Inorganic materials 0.000 description 1
- 239000011630 iodine Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 238000006385 ozonation reaction Methods 0.000 description 1
- 150000005837 radical ions Chemical class 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000011012 sanitization Methods 0.000 description 1
- 150000003460 sulfonic acids Chemical class 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002435 venom Substances 0.000 description 1
- 210000001048 venom Anatomy 0.000 description 1
- 231100000611 venom Toxicity 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Water Treatment By Electricity Or Magnetism (AREA)
Abstract
The invention provides a kind of device for production water supply javelle water, including water softener, water softener is connected with saline case, saline case connects high-order brine tank, high-order brine tank is connected with the ion-exchange membrane electrolyzer anode chamber with weir, and ion-exchange membrane electrolyzer cathode chamber is connected with high-order lye tank；Anode chamber produces light salt brine and chlorine, and cathode chamber produces hydrogen and sodium hydroxide；Anode chamber is connected with gas-liquid separator, and gas-liquid separator is connected with the light salt brine circulating tank with flase floor, and light salt brine circulating tank is connected with saline case；High-order lye tank, gas-liquid separator and light salt brine circulating tank are connected with chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system, and liquor natrii hypochloritis is generated by chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system.After javelle water produced by the invention adds water body, the index such as the pH value of water, total dissolved solid changes small, and generation DBPs is few, while operating cost is low, and maintenance management is convenient.
Description
Technical field
The invention belongs to middle-size and small-size water supply project technical field, and in particular to one kind is used for production water supply hypochlorite disinfectant
The device of liquid.
Background technology
In China's urban water supply engineering, liquid chlorine disinfection is to apply most ripe disinfection technology, but its safety requirements is high, makes
With preceding needing to public security department to put on record, middle-size and small-size water supply project does not possess use condition, and applicable disinfection way mainly includes secondary
Sodium chlorate, chlorine dioxide, ultraviolet and ozonization.Wherein, ozone and disinfection by ultraviolet light, can only be in pipes without continuous disinfection effect
Applied in the shorter mini engineering of net；The purchasing of raw materials occurs needed for disinfection by chlorine dioxide to be not easy, and operating cost is high；Sodium hypochlorite
Have the advantages that raw material acquisition is convenient, safe, continuous disinfection effect is good for other relative sterilization methods of sterilization.But business
There is cost height, pH value height in product javelle water, easily blocked when adding and corrosion adds pump, to water body for disinfection of drinking water
The problems such as Index Influences such as middle pH value, total dissolved solid are big.Therefore, the device of live production development liquor natrii hypochloritis is (i.e.
Hypochlorite generator) it is developed and applies.
Hypochlorite generator is included without two kinds of barrier film hypochlorite generator and diaphragm process hypochlorite generator.Tradition
Have that effective chlorine density is high, salt consumption and power consumption higher the problems such as causing operating cost high without barrier film hypochlorite generator.Closely
There is researcher that the ion-exchange membrane electrolysis in chlorine industry has been incorporated into drinking water disinfection field over year, it is dense to improve effective chlorine
Degree, reduce ac consumption, salt consumption and operating cost.
Although electrolysis with ion-exchange film producing chlorine technology has been incorporated into Drinking Water Sanitization Technology field by prior art, technique into
Ripe degree wretched insufficiency, not yet solve a series of problems, such as the protection of ionic membrane, gas-liquid separation and chlorine absorption, set when long-term use of
The hydraulic performance declines such as standby current efficiency are more, and residual salt and the concentration of generation accessory substance chlorate are higher in production thimerosal, if
Standby salt consumption and power consumption level are up for optimization.It is well known that the sterilizing equipment decontaminating apparatus of middle-size and small-size water supply project can not replicate chlor-alkali work
The technique such as the complicated salt solution secondary refining of a whole set of in industry and light salt brine dechlorination, due to calcium ions and magnesium ions present in salt solution, film
The problem of ion fouling membrane, foaming caused by vibration etc. are so as to cause current efficiency to decline, power consumption rise needs solve.Separately
Outside, how the chlorine that electrolyzer anode chamber goes out in liquid effectively removes, and avoids residual chlorine in circulating brine from entering saline case；
How non-electrolytic brine realizes recycling, reduces the waste of salt, while reduces the saliferous into final finished liquor natrii hypochloritis
Amount；How chlorine is effectively absorbed as sodium hypochlorite by alkali lye, while avoids local superchlorination from causing to generate sodium hypochlorite once again
The problems such as decomposition, is also required to solve.
The content of the invention
It is an object of the invention to provide one kind can produce high-quality water supply javelle water device, and sodium hypochlorite disappears
After venom adds water body, the index such as the pH value of water, total dissolved solid changes small, and generation DBPs is few, runs simultaneously
Cost is low, and maintenance management is convenient.
The invention provides a kind of device for production water supply javelle water, including for softening the soft of water inlet
Hydrophone, water softener are connected with saline case, and saline case connects high-order brine tank, and saline case passes through built-in suction salt
Saturated aqueous common salt is sent into the high-order brine tank by device, and high-order brine tank connects with the natural-circulating electrolytic tank with ion film with weir
Connect, for saturated aqueous common salt to be pressed into the sun of ion-exchange membrane electrolyzer by the discrepancy in elevation between high-order brine tank and ion-exchange membrane electrolyzer
In pole room, ion-exchange membrane electrolyzer is connected with high-order lye tank, and the sodium hydroxide solution in high-order lye tank enters by flow by gravity
In the cathode chamber of ion-exchange membrane electrolyzer；
Anode chamber produces light salt brine and chlorine, and cathode chamber produces hydrogen and sodium hydroxide；Sodium hydroxide solution in cathode chamber
Realized and circulated with the sodium hydroxide solution in high-order lye tank by the rise effect of hydrogen；Anode chamber connects with gas-liquid separator
Connect, fallen by water and gas rises light salt brine and chlorine separation, gas-liquid separator and the light salt brine circulating tank company with flase floor
Connect, light salt brine circulating tank is connected with saline case, and the light salt brine in light salt brine circulating tank, light salt are reclaimed by saline case
Water extrudes chloride light salt brine through the network structure on light salt brine circulating tank flase floor, removes the chlorine remained in light salt brine；
High-order lye tank, gas-liquid separator and light salt brine circulating tank and chlorine negative pressure absorbing and sodium hypochlorite circular response system
System connection, by the chlorine of chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system negative pressure absorbing gas-liquid separator separates and light
The chlorine of brine recycling tank removing and sodium hydroxide solution reaction generation liquor natrii hypochloritis.
Further, chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system include sodium hypochlorite reaction device, alkali lye
Circulating pump, water sprayer；
Sodium hypochlorite reaction device is connected with high-order lye tank, and the position of high-order lye tank is higher than sodium hypochlorite reaction device
Position, sodium hydroxide solution automatic overflow in high-order lye tank can be made in sodium hypochlorite reaction device；
Sodium hypochlorite reaction device is connected with sodium hydroxide solution circulation line, and sodium hydroxide solution circulation line passes through alkali
Liquid circulating pump makes the sodium hydroxide solution in sodium hypochlorite reaction device constantly circulate；
Sodium hydroxide solution circulation line makes occur vacuum state in pipeline by water sprayer, by negative pressure absorbing chlorine with
Sodium hydroxide solution reacts to form liquor natrii hypochloritis.
Further, sodium hydroxide solution circulation line is provided with heat exchanger, and heat exchanger is connected with high-order lye tank, for inciting somebody to action
Caused heat transfer gives high-order lye tank in course of reaction.
Further, sodium hypochlorite reaction device is connected with the finished product liquor natrii hypochloritis for accommodating liquor natrii hypochloritis
Case.
Further, high-order lye tank is connected with the replenishment pump for filling into softened water.
Further, high-order lye tank is also associated with the blower fan for discharging hydrogen in high-order lye tank.
Further, salt sucting device is connected by y-type filter and benefit brine pump with high-order brine tank.
Further, the negative electrode of the anode of anode chamber and cathode chamber uses network structure, and titanium or ruthenium are scribbled on anode
Oxide coating, the oxide coating of nickel is scribbled on anode.
Further, the ionic membrane of ion-exchange membrane electrolyzer uses individual layer perfluorinated sulfonic acid sodium ion exchange film.
Compared with prior art the beneficial effects of the invention are as follows：
(1) anode electrolytic cell and cathode inlet and the weir in exit are able to ensure that electrolyte uniformly divides in tank house
Cloth, so as to ensure that the overall Faradaic current efficiency of electrolytic cell maintains higher level.
(2) anolyte (saturated aqueous common salt) and catholyte (alkali lye) are using the Natural Circulation side by gravity
Formula, from tank house is flowed into, anode chamber and cathode chamber are respectively enterd, be avoided that the forced circulation electricity that electrolyte is pumped into using measuring pump
Ionic membrane vibration caused by liquid endless form is solved, membrane damage is effectively avoided, extends the service life of ionic membrane.
(3) anode electrolytic cell outflow light salt brine in chlorine fully remove after, can realize do not electrolyze table salt it is secondary
Utilize, reduce the salt consumption of electrolysis unit, while avoid salt from entering finished product liquor natrii hypochloritis, therefore the dissolubility to water body can be reduced
The value added of total solid value (TDS).
(4) use negative pressure absorbing chlorine, chlorine is not easy to leak in anode electrolytic cell room, and security of system is high, and chlorine with
Alkali lye can be sufficiently mixed, and reaction efficiency is high.It can solve the problem that and be passed through chlorine tube in liquor natrii hypochloritis's tank in the prior art, use
Malleation absorb chlorine, cause chlorine not to be evenly distributed in alkali lye, reaction efficiency it is low and in chlorine tube near exit because of chlorine
Easily there is the problem of local superchlorination causes the sodium hypochlorite of generation to decompose again in concentration height.
(5) individual layer perfluorinated sulfonic acid sodium ion exchange film is used, than perfluorocarboxylic acid film in the prior art and perfluorocarboxylic acid/sulfonic acid
Composite membrane chemical stability is good, and corrosion resistance is strong；Simultaneously as being monofilm, avoid and shelled using interlayer during composite membrane
From or produce bubble problem.
(6) alkali lye is supplied without continuation, to absorb chlorine caused by electrolytic cell, financial cost is low.
(7) effectively alkali lye is heated using chlorine and heat caused by sodium hydroxide (alkali lye) reaction, can ensured
System complexity and system energy consumption are reduced while current efficiency, without setting heating at sodium hypochlorite generators electrolytic cell
Device, negative electrode alkali liquid temperature is set to be maintained at certain level.
Brief description of the drawings
Fig. 1 is a kind of structural representation of device for production water supply javelle water of the invention；
Fig. 2 is a kind of ion-exchange membrane electrolyzer of device band weir for production water supply javelle water of the invention
Structural representation.
Label in figure：
1- water softeners；2- saline casees；3-Y type filters；Light salt brine circulating tanks of the 4- with flase floor；5- gas-liquid separations
Device；Natural-circulating electrolytic tank with ion film of the 6- with weir；61- weirs；7- high position brine tanks；8- high position lye tanks；9- alkali
Liquid heating mantle；10- hydrogen blower fans；11- sodium hypochlorite reaction devices；12- heat exchangers；13- water sprayers；14- finished product sodium hypochlorite
Liquor box；15- small pumps；16- mends brine pump；17- NaOH solution circulating pumps.
Embodiment
The present invention is described in detail for shown each embodiment below in conjunction with the accompanying drawings, but it should explanation, these
Embodiment is not limitation of the present invention, those of ordinary skill in the art according to these embodiment institute work energy, method,
Or equivalent transformation or replacement in structure, belong within protection scope of the present invention.
Join shown in Fig. 1 and Fig. 2, present embodiments provide a kind of device for production water supply javelle water, wrap
The water softener 1 for softening water inlet is included, water softener 1 is connected with saline case 2, and saline case 2 connects high-order brine tank 7,
Saturated aqueous common salt is sent into high-order brine tank 7 by saline case 2 by built-in salt sucting device, high-order brine tank 7 with weir
Natural-circulating electrolytic tank with ion film 6 connect, for by the discrepancy in elevation between high-order brine tank 7 and ion-exchange membrane electrolyzer by saturation
In the anode chamber of saline solution press-in ion-exchange membrane electrolyzer, ion-exchange membrane electrolyzer is connected with high-order lye tank 8, in high-order lye tank 8
Sodium hydroxide solution enter by flow by gravity in the cathode chamber of ion-exchange membrane electrolyzer；
Anode chamber produces light salt brine and chlorine, and cathode chamber produces hydrogen and sodium hydroxide；Sodium hydroxide solution in cathode chamber
Realized and circulated with the sodium hydroxide solution in high-order lye tank by the rise effect of hydrogen；Anode chamber connects with gas-liquid separator 5
Connect, fallen by water and gas rises light salt brine and chlorine separation, gas-liquid separator 5 and the light salt brine circulating tank 4 with flase floor
Connection, light salt brine circulating tank are connected with saline case 2, and the light salt brine in light salt brine circulating tank is reclaimed by saline case 2,
Light salt brine extrudes chloride light salt brine through the network structure on light salt brine circulating tank flase floor, removes the chlorine remained in light salt brine；
High-order lye tank 8, gas-liquid separator 5 and light salt brine circulating tank 4 and chlorine negative pressure absorbing and secondary chlorine with flase floor
Sour sodium circulating reaction system connection, passes through chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system negative pressure absorbing gas-liquid separator
The chlorine of chlorine and light salt brine the circulating tank removing of separation and sodium hydroxide solution reaction generation liquor natrii hypochloritis.
In the present embodiment, chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system include sodium hypochlorite reaction device
11st, NaOH solution circulating pump 17, water sprayer 13；
Sodium hypochlorite reaction device 11 is connected with high-order lye tank 8, and the position of high-order lye tank 8 is higher than sodium hypochlorite reaction
The position of device 11, can make sodium hydroxide solution automatic overflow in high-order lye tank 8 to sodium hypochlorite reaction fill 11 put in；
Sodium hypochlorite reaction device 11 is connected with sodium hydroxide solution circulation line, and sodium hydroxide solution circulation line passes through
NaOH solution circulating pump 17 makes the sodium hydroxide solution in sodium hypochlorite reaction device 11 constantly circulate；
Sodium hydroxide solution circulation line makes occur vacuum state in pipeline by water sprayer 13, by negative pressure absorbing chlorine
React to form liquor natrii hypochloritis with sodium hydroxide solution.
In the present embodiment, sodium hydroxide solution circulation line is provided with heat exchanger 12, and heat exchanger 12 connects with high-order lye tank 8
Connect, for giving caused heat transfer in course of reaction to high-order lye tank 8.
In the present embodiment, sodium hypochlorite reaction device 11 is connected with the finished product hypochlorous acid for accommodating liquor natrii hypochloritis
Sodium solution case 14.
In the present embodiment, high-order lye tank 8 is connected with the replenishment pump 15 for filling into softened water.
In the present embodiment, high-order lye tank 8 is also associated with the hydrogen blower fan 10 for discharging hydrogen in high-order lye tank.
In the present embodiment, salt sucting device is connected by y-type filter 3 and benefit brine pump 16 with high-order brine tank 7.
In the present embodiment, the negative electrode of the anode of anode chamber and cathode chamber uses network structure, scribbled on anode titanium or
The oxide coating of ruthenium, the oxide coating of nickel is scribbled on anode.
In the present embodiment, the ionic membrane of ion-exchange membrane electrolyzer uses individual layer perfluorinated sulfonic acid sodium ion exchange film.
The device for production water supply javelle water that the present embodiment provides, has the following technical effect that：
1) water is produced by water softener and prepares saturated brine, reduce deposition of the calcium ions and magnesium ions on ionic membrane.
2) electrolyte is uniformly distributed in tank house by using the ion-exchange membrane electrolyzer with weir, avoid office
Portion's concentration of electrolyte is excessive, ensures that current efficiency and equipment performance are stable.
3) by using the electrolyte endless form of Natural Circulation, avoid the ionic membrane in the case of pump forced circulation and shake
It is dynamic, extend the service life of ionic membrane.
4) by using perfluorinated sulfonic acid ion exchange membrane, avoid and easily occur using in the case of perfluorinated sulfonic acid carboxylic acid composite membrane
Ionic membrane bubble problem, extend the service life of ionic membrane.
4) by negative pressure absorbing chlorine mode, production technology safety is can guarantee that, prevents chlorine from leaking.
5) by gas-liquid separator and the internal light salt brine circulating tank with flase floor, chlorine and not electricity are realized in anode chamber
Solution light salt brine efficiently separates.
6) circulation of catholyte is realized by the setting and gas lift effect of high-order lye tank.
7) the sodium hypochlorite circulating reaction system being made up of water sprayer, NaOH solution circulating pump, sodium hypochlorite reaction device, it is real
Effective absorption of chlorine is showed, sodium hypochlorite caused by local superchlorination can be avoided the occurrence of and decomposed.
The present invention is described in further detail below.
The device is core with the natural-circulating electrolytic tank with ion film 6 with weir, in addition to water inlet water distribution system, anode
Chlorine separates and brine circulation system, negative electrode alkali liquor circulating system, chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system, follows
Ring water system.
The electrolyte loop condition of ionic membrane anode and negative electrode is specific as follows：
After running water water inlet passes through water softener 1, calcium ions and magnesium ions concentration reaches several mg/L level, flows into saline case
2, while solid is added without iodine edible salt (sodium chloride purity should be able to reach more than 98.5%) in saline case 2, in salt solution
Prepare and ensure there is certain undissolved salt in case 2, so as to ensure the saturation state of salt solution in saline case 2, by being positioned over salt
Saturated aqueous common salt is sucked high-order brine tank 7 by the salt sucting device that water is prepared in case 2, using high-order brine tank 7 with weir from
So discrepancy in elevation between circulation ion-exchange membrane electrolyzer 6, the natural-circulating electrolytic tank with ion film 6 with weir is pressed into by saturated aqueous common salt
It is interior.
Electrolytic cell is divided into anode chamber and cathode chamber by ionic membrane, and being arranged on the weir 61 at electrolyte entrance makes electrolyte
It is uniformly distributed respectively in anode chamber and cathode chamber, anolyte is saturated aqueous common salt, and catholyte is alkali lye (i.e. hydroxide
Sodium solution), anode and negative electrode use network structure, and the oxide coatings such as titanium, ruthenium are scribbled on anode network；Nickel is scribbled on anode network
Oxide coating.After energization, in cathode chamber, water (H2O) discharged in cathode surface and generate hydrogen (H2), the dissolving of anode chamber's salt
Sodium ion (the Na formed afterwards+) caused hydrogen-oxygen after cathode chamber, with cathode chamber water electrolysis is then entered by anode chamber through ionic membrane
Radical ion (OH-) combine generation sodium hydroxide (NaOH)；In anode chamber, the chlorion (Cl that is formed after salt dissolving-) then in anode
Surface-discharge generation chlorine (Cl2)。
Light salt brine and chlorine after electrolysis export from anode chamber, flow through gas-liquid separator 5, fall by water and rise with gas,
The separation of chlorine and light salt brine is realized, passes through the light salt brine circulating tank 4 with flase floor, the network structure on flase floor can enter one
Step extrudes chloride light salt brine, residual chlorine is fully removed from light salt brine, in the light salt brine circulating tank 4 with flase floor with gas-liquid
The chlorine removed in separator 5 together enters chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system, and light salt brine then flows into
Saline case 2 realizes that what is do not electrolyzed table salt recycles.
Alkali lye in high-order lye tank 8 enters the negative electrode of natural-circulating electrolytic tank with ion film 6 with weir by flow by gravity
Interior, in hydrogen (H caused by cathode surface electrolysis2) rise effect can promote catholyte realize circulation, hydrogen (H2) eventually through
Hydrogen blower fan 10 is blown out to outdoor, discharge system.When negative electrode alkali liquor circulating system starts, 30% alkali lye need to be added wherein,
Without subsequently adding, it is only necessary to when liquid level drops to a certain degree in high-order lye tank 8, filled into wherein by small pump 15 soft
Water after change.A communicating pipe is provided between high-order lye tank 8 and sodium hypochlorite reaction device 11, communicating pipe is in height
Aperture position in the lye tank 8 of position is higher than its position in sodium hypochlorite reaction device 11, and the alkali lye in high-order lye tank 8 can
For automatic overflow into sodium hypochlorite reaction device 11, the alkali lye in overflow to sodium hypochlorite reaction device 11 is used for absorption band grid
Chlorine in the light salt brine circulating tank 4 of plate with being removed in gas-liquid separator 5.
The course of work of chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system is：
The offer of NaOH solution circulating pump 17 power makes the alkali lye in sodium hypochlorite reaction device 11 in sodium hypochlorite reaction device 11
Constantly circulation, when alkali lye is by water sprayer 13, water sprayer 13 makes occur vacuum state in pipeline, by negative pressure absorbing chlorine, chlorine
Gas and alkali lye are sufficiently mixed and react generation sodium hypochlorite, and after circular response certain time, the liquor natrii hypochloritis of formation is led
Enter into finished product liquor natrii hypochloritis case 14, the liquor natrii hypochloritis of formation can be used for the sterilization of water supply project.Sodium hypochlorite follows
Heat caused by ring reaction system passes to high-order lye tank 8 by heat exchanger 12, and the alkali lye that can be given in high-order lye tank 8 adds
Heat, improve the bath temperature of natural-circulating electrolytic tank with ion film 6 with weir.
The javelle water process units, institute's parity sodium chlorate solution's concentration effective chlorine density is compared with without barrier film hypochlorous acid
Sodium generator can improve more than 3 times.Compared with commodity liquor natrii hypochloritis, throwing be added to the water after, pH value, total dissolved solid,
Sodium ion, chlorine ion concentration change very little, and the concentration of generation DBPs haloform can reduce by more than 50%.In addition, should
Device can effectively extend ionic membrane service life, improve electrolyzer anode chamber's chlorine removal efficiency, anode chamber's chlorine and cathode chamber
Alkaline reaction efficiency, further reduces operating cost.
The javelle water process units provided through actual measurement, the present embodiment, is added with 2mg/L effective chlorine dosage
Enter water body (raw water TDS contents are about 267mg/L), water body TDS contents are substantially unchanged, and same dosage without barrier film and business
Product liquor natrii hypochloritis adds, and water body TDS contents is increased by 10% and 25% respectively, the sodium hypochlorite produced by the device
After thimerosal adds water body, DBPs haloform content compared with adding the value of commodity liquor natrii hypochloritis the same as reducing
60%.
Those listed above is a series of to be described in detail only for feasibility embodiment of the invention specifically
Bright, they simultaneously are not used to limit the scope of the invention, all equivalent implementations made without departing from skill spirit of the present invention
Or change should be included in the scope of the protection.
It is obvious to a person skilled in the art that the invention is not restricted to the details of above-mentioned one exemplary embodiment, Er Qie
In the case of without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, embodiment all should be regarded as exemplary, and be nonrestrictive, the scope of the present invention is by appended power
Profit requires rather than described above limits, it is intended that all in the implication and scope of the equivalency of claim by falling
Change is included in the present invention.
Claims (9)
1. a kind of device for production water supply javelle water, it is characterised in that including the soft water for softening water inlet
Device, the water softener are connected with saline case, and the saline case connects high-order brine tank, and the saline case passes through
Saturated aqueous common salt is sent into the high-order brine tank, the high-order brine tank and the Natural Circulation with weir by built-in salt sucting device
Anode chamber's connection of ion-exchange membrane electrolyzer, for by the discrepancy in elevation between the high-order brine tank and ion-exchange membrane electrolyzer by saturation
Saline solution is pressed into the anode chamber of the ion-exchange membrane electrolyzer, and the cathode chamber of the ion-exchange membrane electrolyzer connects with high-order lye tank
Connect, the sodium hydroxide solution in the high-order lye tank enters in the cathode chamber of the ion-exchange membrane electrolyzer by flow by gravity；
The anode chamber produces light salt brine and chlorine, and the cathode chamber produces hydrogen and sodium hydroxide；Hydrogen-oxygen in the cathode chamber
Change sodium solution and circulation is realized with the sodium hydroxide solution in high-order lye tank by the rise effect of hydrogen；The anode chamber and gas
Liquid/gas separator connects, and is fallen by water and gas rises by light salt brine and chlorine separation, the gas-liquid separator and with flase floor
Light salt brine circulating tank is connected, and the light salt brine circulating tank is connected with saline case, is reclaimed light salt brine by saline case and is followed
Light salt brine in ring tank, the light salt brine extrude chloride light salt brine, removing through the network structure on light salt brine circulating tank flase floor
The chlorine remained in light salt brine；
The high-order lye tank, gas-liquid separator and light salt brine circulating tank and chlorine negative pressure absorbing and sodium hypochlorite circular response system
System connection, passes through gas-liquid separator separates described in the chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system negative pressure absorbing
Chlorine and the chlorine of light salt brine circulating tank removing and sodium hydroxide solution reaction generation liquor natrii hypochloritis.
2. a kind of device for production water supply javelle water according to claim 1, it is characterised in that described
Chlorine negative pressure absorbing and sodium hypochlorite circulating reaction system include sodium hypochlorite reaction device, NaOH solution circulating pump, water sprayer；
The sodium hypochlorite reaction device is connected with the high-order lye tank, and the position of the high-order lye tank is higher than the secondary chlorine
The position of sour sodium reaction unit, the sodium hydroxide solution automatic overflow in the high-order lye tank can be made anti-to the sodium hypochlorite
Answer in device；
The sodium hypochlorite reaction device is connected with sodium hydroxide solution circulation line, and the sodium hydroxide solution circulation line leads to
Crossing the NaOH solution circulating pump makes the sodium hydroxide solution in sodium hypochlorite reaction device constantly circulate；
The sodium hydroxide solution circulation line makes occur vacuum state in pipeline by the water sprayer, by negative pressure absorbing chlorine
Gas reacts to form liquor natrii hypochloritis with sodium hydroxide solution.
3. a kind of device for production water supply javelle water according to claim 2, it is characterised in that described
Sodium hydroxide solution circulation line is provided with heat exchanger, and the heat exchanger is connected with the high-order lye tank, for by course of reaction
In caused heat transfer give the high-order lye tank.
4. a kind of device for production water supply javelle water according to claim 3, it is characterised in that described
Sodium hypochlorite reaction device is connected with finished product liquor natrii hypochloritis's case for accommodating liquor natrii hypochloritis.
5. a kind of device for production water supply javelle water according to claim 4, it is characterised in that described
High-order lye tank is connected with the replenishment pump for filling into softened water.
6. a kind of device for production water supply javelle water according to claim 5, it is characterised in that described
High-order lye tank is also associated with the blower fan for discharging hydrogen in high-order lye tank.
7. a kind of device for production water supply javelle water according to claim 6, it is characterised in that described
Salt sucting device is connected by y-type filter and benefit brine pump with high-order brine tank.
8. a kind of device for production water supply javelle water according to claim 7, it is characterised in that described
The anode of anode chamber and the negative electrode of cathode chamber use network structure, scribble the oxide coating of titanium or ruthenium on anode, on anode
Scribble the oxide coating of nickel.
9. a kind of device for production water supply javelle water according to claim 8, it is characterised in that described
The ionic membrane of ion-exchange membrane electrolyzer uses individual layer perfluorinated sulfonic acid sodium ion exchange film.
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| CN201710982108.9A CN107604377B (en) | 2017-10-20 | 2017-10-20 | Device for producing water supply sodium hypochlorite disinfectant |
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| CN201710982108.9A CN107604377B (en) | 2017-10-20 | 2017-10-20 | Device for producing water supply sodium hypochlorite disinfectant |
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| CN108505061A (en) * | 2018-07-03 | 2018-09-07 | 中国水利水电科学研究院 | A kind of high-concentrated sodium hypochlorite generator |
| CN110042417A (en) * | 2019-05-21 | 2019-07-23 | 中国水利水电科学研究院 | A kind of method and device of electrolytic seawater production javelle water |
| CN110803812A (en) * | 2019-12-13 | 2020-02-18 | 碳能科技（北京）有限公司 | High-salinity high-nitrate industrial wastewater treatment method and system |
| CN111334816A (en) * | 2020-04-20 | 2020-06-26 | 浙江高成绿能科技有限公司 | Method for preparing hypochlorous acid water by electrolysis |
| CN112281179A (en) * | 2020-07-13 | 2021-01-29 | 陕西科技大学 | Ultrahigh-pressure sodium hypochlorite generator and preparation method of sodium chlorate |
| JP2022505099A (en) * | 2018-10-18 | 2022-01-14 | ブルー セイフティ ゲーエムベーハー | Electrochemical system for the synthesis of aqueous oxidant solution |
| CN114642746A (en) * | 2022-04-07 | 2022-06-21 | 安徽萍聚德医疗科技股份有限公司 | Subacidity hypochlorous acid all-in-one |
| CN115161660A (en) * | 2022-03-27 | 2022-10-11 | 华东理工大学 | Alkaline electrolytic tank system with pulse type circulating liquid inlet and working method thereof |
| CN116693036A (en) * | 2023-08-07 | 2023-09-05 | 广州新奥环境技术有限公司 | Device for water treatment and disinfection and water treatment method thereof |
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| CN108505061A (en) * | 2018-07-03 | 2018-09-07 | 中国水利水电科学研究院 | A kind of high-concentrated sodium hypochlorite generator |
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| CN110042417A (en) * | 2019-05-21 | 2019-07-23 | 中国水利水电科学研究院 | A kind of method and device of electrolytic seawater production javelle water |
| CN110803812A (en) * | 2019-12-13 | 2020-02-18 | 碳能科技（北京）有限公司 | High-salinity high-nitrate industrial wastewater treatment method and system |
| CN111334816A (en) * | 2020-04-20 | 2020-06-26 | 浙江高成绿能科技有限公司 | Method for preparing hypochlorous acid water by electrolysis |
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| CN117222779A (en) * | 2021-04-30 | 2023-12-12 | 迪诺拉永久电极股份有限公司 | Method and apparatus for producing sodium hypochlorite solution |
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| CN115161660A (en) * | 2022-03-27 | 2022-10-11 | 华东理工大学 | Alkaline electrolytic tank system with pulse type circulating liquid inlet and working method thereof |
| CN115161660B (en) * | 2022-03-27 | 2023-10-20 | 华东理工大学 | Alkaline electrolytic tank system with pulse type circulating liquid inlet and working method thereof |
| CN114642746A (en) * | 2022-04-07 | 2022-06-21 | 安徽萍聚德医疗科技股份有限公司 | Subacidity hypochlorous acid all-in-one |
| CN114642746B (en) * | 2022-04-07 | 2023-09-05 | 安徽萍聚德医疗科技股份有限公司 | Slightly acidic hypochlorous acid all-in-one machine |
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