CN110205644A - Novel I NEOS membrane polar distance electrolytic bath - Google Patents
Novel I NEOS membrane polar distance electrolytic bath Download PDFInfo
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- CN110205644A CN110205644A CN201910474909.3A CN201910474909A CN110205644A CN 110205644 A CN110205644 A CN 110205644A CN 201910474909 A CN201910474909 A CN 201910474909A CN 110205644 A CN110205644 A CN 110205644A
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- 239000012528 membrane Substances 0.000 title claims abstract description 42
- 210000000078 claw Anatomy 0.000 claims abstract description 39
- 229920001971 elastomer Polymers 0.000 claims abstract description 11
- 239000000806 elastomer Substances 0.000 claims abstract description 10
- 239000010936 titanium Substances 0.000 claims description 39
- 229910052719 titanium Inorganic materials 0.000 claims description 37
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 36
- 238000000576 coating method Methods 0.000 claims description 31
- 239000011248 coating agent Substances 0.000 claims description 30
- 238000004519 manufacturing process Methods 0.000 claims description 21
- 239000000758 substrate Substances 0.000 claims description 20
- 238000005245 sintering Methods 0.000 claims description 18
- 239000002253 acid Substances 0.000 claims description 17
- BASFCYQUMIYNBI-UHFFFAOYSA-N platinum Chemical compound [Pt] BASFCYQUMIYNBI-UHFFFAOYSA-N 0.000 claims description 14
- YBCAZPLXEGKKFM-UHFFFAOYSA-K ruthenium(iii) chloride Chemical compound [Cl-].[Cl-].[Cl-].[Ru+3] YBCAZPLXEGKKFM-UHFFFAOYSA-K 0.000 claims description 13
- CALMYRPSSNRCFD-UHFFFAOYSA-J tetrachloroiridium Chemical group Cl[Ir](Cl)(Cl)Cl CALMYRPSSNRCFD-UHFFFAOYSA-J 0.000 claims description 12
- XJDNKRIXUMDJCW-UHFFFAOYSA-J titanium tetrachloride Chemical group Cl[Ti](Cl)(Cl)Cl XJDNKRIXUMDJCW-UHFFFAOYSA-J 0.000 claims description 12
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 11
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 claims description 11
- 229910052707 ruthenium Inorganic materials 0.000 claims description 11
- 238000001035 drying Methods 0.000 claims description 9
- 239000012530 fluid Substances 0.000 claims description 9
- 229910052741 iridium Inorganic materials 0.000 claims description 9
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 claims description 9
- 239000000243 solution Substances 0.000 claims description 9
- 239000002994 raw material Substances 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 239000000654 additive Substances 0.000 claims description 7
- 229910052697 platinum Inorganic materials 0.000 claims description 7
- 239000007787 solid Substances 0.000 claims description 7
- 239000007921 spray Substances 0.000 claims description 7
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 6
- 239000003014 ion exchange membrane Substances 0.000 claims description 6
- 230000003647 oxidation Effects 0.000 claims description 6
- 238000007254 oxidation reaction Methods 0.000 claims description 6
- 239000002436 steel type Substances 0.000 claims description 6
- DUNKXUFBGCUVQW-UHFFFAOYSA-J zirconium tetrachloride Chemical compound Cl[Zr](Cl)(Cl)Cl DUNKXUFBGCUVQW-UHFFFAOYSA-J 0.000 claims description 6
- PIBWKRNGBLPSSY-UHFFFAOYSA-L palladium(II) chloride Chemical compound Cl[Pd]Cl PIBWKRNGBLPSSY-UHFFFAOYSA-L 0.000 claims description 5
- CLSUSRZJUQMOHH-UHFFFAOYSA-L platinum dichloride Chemical compound Cl[Pt]Cl CLSUSRZJUQMOHH-UHFFFAOYSA-L 0.000 claims description 5
- LRHPLDYGYMQRHN-UHFFFAOYSA-N N-Butanol Chemical compound CCCCO LRHPLDYGYMQRHN-UHFFFAOYSA-N 0.000 claims description 4
- 238000010304 firing Methods 0.000 claims description 4
- 229910044991 metal oxide Inorganic materials 0.000 claims description 3
- 150000004706 metal oxides Chemical class 0.000 claims description 3
- 239000010970 precious metal Substances 0.000 claims description 3
- 238000003466 welding Methods 0.000 claims description 3
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 claims description 2
- 230000000996 additive effect Effects 0.000 claims description 2
- 239000003153 chemical reaction reagent Substances 0.000 claims description 2
- 238000007689 inspection Methods 0.000 claims description 2
- 210000003205 muscle Anatomy 0.000 claims description 2
- 238000010583 slow cooling Methods 0.000 claims description 2
- 239000002904 solvent Substances 0.000 claims description 2
- 229910000831 Steel Inorganic materials 0.000 claims 1
- 239000007864 aqueous solution Substances 0.000 claims 1
- 238000005660 chlorination reaction Methods 0.000 claims 1
- 239000010959 steel Substances 0.000 claims 1
- 238000005868 electrolysis reaction Methods 0.000 abstract description 5
- 238000012360 testing method Methods 0.000 description 18
- 238000000034 method Methods 0.000 description 16
- 238000010586 diagram Methods 0.000 description 9
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 8
- 239000001301 oxygen Substances 0.000 description 8
- 229910052760 oxygen Inorganic materials 0.000 description 8
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 7
- 229910052801 chlorine Inorganic materials 0.000 description 7
- 239000000460 chlorine Substances 0.000 description 7
- 150000002500 ions Chemical class 0.000 description 5
- 238000012856 packing Methods 0.000 description 5
- KZBUYRJDOAKODT-UHFFFAOYSA-N Chlorine Chemical compound ClCl KZBUYRJDOAKODT-UHFFFAOYSA-N 0.000 description 4
- 239000013256 coordination polymer Substances 0.000 description 3
- 238000000354 decomposition reaction Methods 0.000 description 3
- 230000003014 reinforcing effect Effects 0.000 description 3
- HPALAKNZSZLMCH-UHFFFAOYSA-M sodium;chloride;hydrate Chemical class O.[Na+].[Cl-] HPALAKNZSZLMCH-UHFFFAOYSA-M 0.000 description 3
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 description 2
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000005238 degreasing Methods 0.000 description 2
- 230000005611 electricity Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000010438 heat treatment Methods 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000005554 pickling Methods 0.000 description 2
- DPGAAOUOSQHIJH-UHFFFAOYSA-N ruthenium titanium Chemical compound [Ti].[Ru] DPGAAOUOSQHIJH-UHFFFAOYSA-N 0.000 description 2
- 238000005488 sandblasting Methods 0.000 description 2
- VEXZGXHMUGYJMC-UHFFFAOYSA-M Chloride anion Chemical compound [Cl-] VEXZGXHMUGYJMC-UHFFFAOYSA-M 0.000 description 1
- PXGOKWXKJXAPGV-UHFFFAOYSA-N Fluorine Chemical compound FF PXGOKWXKJXAPGV-UHFFFAOYSA-N 0.000 description 1
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 238000000137 annealing Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005422 blasting Methods 0.000 description 1
- 230000003197 catalytic effect Effects 0.000 description 1
- 239000012459 cleaning agent Substances 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000011049 filling Methods 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- DKAGJZJALZXOOV-UHFFFAOYSA-N hydrate;hydrochloride Chemical compound O.Cl DKAGJZJALZXOOV-UHFFFAOYSA-N 0.000 description 1
- 238000007654 immersion Methods 0.000 description 1
- 238000003780 insertion Methods 0.000 description 1
- 230000037431 insertion Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 229910052759 nickel Inorganic materials 0.000 description 1
- 238000010422 painting Methods 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000010008 shearing Methods 0.000 description 1
- 238000007086 side reaction Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
- 238000007592 spray painting technique Methods 0.000 description 1
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N titanium dioxide Inorganic materials O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B1/00—Electrolytic production of inorganic compounds or non-metals
- C25B1/01—Products
- C25B1/24—Halogens or compounds thereof
- C25B1/26—Chlorine; Compounds thereof
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B11/00—Electrodes; Manufacture thereof not otherwise provided for
- C25B11/04—Electrodes; Manufacture thereof not otherwise provided for characterised by the material
- C25B11/051—Electrodes formed of electrocatalysts on a substrate or carrier
- C25B11/073—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material
- C25B11/091—Electrodes formed of electrocatalysts on a substrate or carrier characterised by the electrocatalyst material consisting of at least one catalytic element and at least one catalytic compound; consisting of two or more catalytic elements or catalytic compounds
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/17—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof
- C25B9/19—Cells comprising dimensionally-stable non-movable electrodes; Assemblies of constructional parts thereof with diaphragms
-
- C—CHEMISTRY; METALLURGY
- C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
- C25B—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES FOR THE PRODUCTION OF COMPOUNDS OR NON-METALS; APPARATUS THEREFOR
- C25B9/00—Cells or assemblies of cells; Constructional parts of cells; Assemblies of constructional parts, e.g. electrode-diaphragm assemblies; Process-related cell features
- C25B9/70—Assemblies comprising two or more cells
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Electrochemistry (AREA)
- Materials Engineering (AREA)
- Metallurgy (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
- Electrodes For Compound Or Non-Metal Manufacture (AREA)
Abstract
A kind of novel I NEOS membrane polar distance electrolytic bath of the present invention, it includes anode unit, cathode electrode unit and positioned at ionic membrane between the two, it is characterized in that the anode unit includes anode unit groove body, the left side of multiple anode elastic claws is provided with new anode network, new anode network is the complete net of one side, the cathode electrode unit includes cathode electrode unit groove body, it is provided with cathode elastic claw to the right on each cathode pillar, the right side of multiple cathode elastic claws is provided with former cathode screen, the right side of former cathode screen is provided with elastomer, the right side of elastomer is provided with new cathode screen, ionic membrane is provided between the new cathode screen and new anode network of the same unit groove group.Novel I NEOS membrane polar distance electrolytic bath of the present invention, which has, can reduce overvoltage, reduce ion membrane damage, and the later period replaces yin-yang polar net conveniently, and electrolysis effective area increases, safe advantage reliable for operation.
Description
Technical field
The present invention relates to a kind of novel I NEOS membrane polar distance electrolytic baths.
Background technique
INEOS electrolytic cell originates in Britain, and 128 pillars and elastic claw are respectively distributed in anode and cathode unit groove body, and the above is electricity
Pin is installed in pole (cathode and anode), aperture on the electrode above pillar in mesh, and pin is that Titanium, nickel add fluorine to mould respectively
Expect cap, (as shown in Figure 1).One layer of ionic membrane is pressed from both sides between 1 anode unit and 1 cathode electrode unit pairing, on anode and cathode sealing surface
There is rubber sheet gasket respectively, there is flange moulding behind, by screw group (76 groups), forms one group of unit groove, (such as Fig. 2 after locking
It is shown).Multiple groups unit groove is suspended on truss, and side leans against on fixed wallboard, and the other side is held out against by 32 groups of mandril bolts, electric current
128 titanium nickel composite conductive blocks of the conduction on the back-to-back yin-yang pole unit contact conductive, (as shown in Figure 3).
There are following a few place's defects for existing INEOS electrolytic cell:
1, after yin-yang pole unit pairing, the position of anode and cathode elastic claw is 2 cross elastic claw arranged crosswises, is used
When elastic claw elastic acting force be applied on anode and cathode wire side, cause wire side uneven, influence current potential while damaging ion
Film, (as shown in Figure 4), criss-cross in figure is anode elastic claw, and X font is cathode elastic claw.
2, anode and cathode pin can cause local extruding to ionic membrane, and 128 pins waste electrolysis effective area π *
(25/2)2* 128=62800mm2=0.0628m2。
On this basis, the anodic coating of traditional electrolytic cell generallys use titanium-based ruthenium titanium coating, however titanium-based ruthenium titanium applies
Layer is examined by production practices, it is found that its defect is: electrode life is short, and the content of oxygen is too high in chlorine produced, affects
The purity of chlorine, and current efficiency is caused to decline.Therefore, it is necessary to improve the oxygen evolution potential of its active coating, analysis chlorine electricity is reduced
Position, and improve electrode life.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide one kind can reduce overvoltage, reduces ion membrane damage, after
Phase replaces yin-yang polar net conveniently, and electrolysis effective area increases, safe novel I NEOS membrane polar distance electrolytic bath reliable for operation.
The object of the present invention is achieved like this:
A kind of novel I NEOS membrane polar distance electrolytic bath, it include anode unit, cathode electrode unit and positioned between the two from
Sub- film, the anode unit include anode unit groove body, and the right side of anode unit groove body is fallen into multiple anode unit geosynclinal concaves,
The anode unit groove body of each corresponding anode unit slot recess is provided with anode elastic claw, a left side for multiple anode elastic claws to the left
Side is provided with new anode network, and new anode network is the complete net of one side, and the cathode electrode unit includes cathode electrode unit groove body, cathode list
The left side of first groove body is risen with multiple cathode electrode unit geosynclinal convexs, the cathode electrode unit groove body of each corresponding cathode electrode unit slot high spot to
The right side is provided with cathode pillar, is provided with cathode elastic claw on each cathode pillar to the right, and the right side of multiple cathode elastic claws is set
It is equipped with former cathode screen, the right side of former cathode screen is provided with elastomer, and the right side of elastomer is provided with new cathode screen, same
Ionic membrane is provided between the new cathode screen and new anode network of unit groove group.
As a preference, installing anode gusset additional on the right side of new anode network, sun will be installed on the left side of anode elastic claw additional
Pole gusset, anode link of boards at the Left-side center point of multiple anode elastic claws, anode gusset formed rigid structure for pair
The support of new anode network.
As a preference, anode gusset is vertically connected between multiple anode elastic claws of same row.
As a preference, directly installing new anode network on the polar net of Yuanyang, that is, newly on the basis of the polar net of Yuanyang
Yuanyang polar net is still connected between anode network and anode elastic claw.
As a preference, being provided with cathode gusset between cathode electrode unit groove body on the left of former cathode screen.
As a preference, former cathode screen and cathode elastic claw are removed, in adjacent two column cathode elastic claw middle position
Cathode electrode unit groove body on welding installation cathode gusset, former cathode screen is welded on cathode gusset and cathode pillar again,
Cathode gusset forms rigid structure for the support to the former cathode screen reinstalled, height and the cathode pillar of former cathode screen
Height is consistent.
As a preference, opening up the fabrication hole of array arrangement on former cathode screen, fabrication hole and cathode elastic claw misplace
Arrangement welds angle steel type supporting element and cathode electrode unit groove body in fabrication hole, the welded cathode gusset on angle steel type supporting element,
The top surface of cathode gusset is consistent with fabrication hole aperture height, and mesh is filled at fabrication hole, and the wire side at this connects with cathode gusset
Elastomer and new cathode screen are installed in touching on the former cathode screen for fill mesh.
Compared with prior art, the beneficial effects of the present invention are:
1,128 pairs of original pins are eliminated, form elastic cathode net, ionic membrane, anode plain net three fitting film
Pole span structure can reduce overvoltage, reduce ion membrane damage, it is convenient that the later period replaces yin-yang polar net.
2, the area of 128 pins is reduced, so that electrolysis effective area increases.
3, safe and reliable to operation.
Therefore novel I NEOS membrane polar distance electrolytic bath of the present invention, which has, can reduce overvoltage, reduce ion membrane damage, later period
It is convenient to replace yin-yang polar net, electrolysis effective area increases, safe advantage reliable for operation.
In addition it is also had the advantage that after using the anodic coating of new Recipe
1, oxygen evolution potential is high, and catalytic capability is strong, and conductivity is higher, is not susceptible to analysis oxygen side reaction；
2, performance is stablized, and corrosion-resistant, the service life is long, continues to use after being recoated after electrode failure；
3, electrode cost is effectively controlled；
4, product quality is promoted, it is desirable that purity of chlorine gas feeding is high, oxygen-containing low (0.8% or less).
Detailed description of the invention
Fig. 1 is the former INEOS cell construction schematic diagram in background technique.
Fig. 2 is the former INEOS cell assemblage schematic diagram in background technique.
Fig. 3 is the former INEOS electrolytic cell operation schematic diagram in background technique.
Fig. 4 is anode and cathode elastic claw schematic diagram in the former INEOS electrolytic cell in background technique.
Fig. 5 is the novel I NEOS membrane polar distance electrolytic bath schematic diagram in the present invention.
Fig. 6 is that the novel I NEOS membrane polar distance electrolytic bath anode in the present invention installs anode gusset schematic diagram additional.
Fig. 7 be the present invention in novel I NEOS membrane polar distance electrolytic bath Yuanyang polar net on install new anode network schematic diagram additional.
Fig. 8 is that the novel I NEOS membrane polar distance electrolytic bath cathode in the present invention installs the first scheme schematic diagram of cathode gusset additional.
Fig. 9 is that the novel I NEOS membrane polar distance electrolytic bath anode in the present invention installs anode gusset second scheme schematic diagram additional.
Wherein:
Anode unit 1, anode unit groove body 101, anode elastic claw 102, new anode network 103, Yuanyang polar net 104, anode
Gusset 105
Cathode electrode unit 2, cathode electrode unit groove body 201, cathode pillar 202, cathode elastic claw 203, former cathode screen 204, elasticity
Body 205, new cathode screen 206, cathode gusset 207, angle steel type supporting element 208, fabrication hole 209
Ionic membrane 3
Anode flange 4
Cathode flange 5
Screw group 6
Anode gasket 7
Cathode gasket 8.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiment is only invention a part of the embodiment, instead of all the embodiments.Based on this
Embodiment in invention, every other reality obtained by those of ordinary skill in the art without making creative efforts
Example is applied, shall fall within the protection scope of the present invention.
Referring to Fig. 5-Fig. 9, a kind of novel I NEOS membrane polar distance electrolytic bath of the present invention, it includes truss, is set on truss
It is equipped with left and right packing plate positioned opposite and fixed wallboard, packing plate can carry out the traversing of left and right directions on truss, fixed
Wallboard is fixed on truss, is provided with multiple unit groove groups close to arrangement on the truss between packing plate and fixed wallboard, is led to
Puller bolt group is crossed by packing plate compressing unit slot group to the right so that adjacent unit groove group fits closely, and packing plate and
The unit groove group of the leftmost side fits closely, and the unit groove group of fixed wallboard and the rightmost side fits closely.
The unit groove group includes anode unit 1, cathode electrode unit 2 and positioned at ionic membrane 3 between the two, anode unit
1 is located at the right of cathode electrode unit 2, is connected with anode flange 4 on anode unit 1, cathode flange 5 is connected on cathode electrode unit 2, sun
It is connected between pole flange 4 and cathode flange 5 by screw group 6, anode flange 4 and the opposite side of cathode flange 5 are respectively set
There are anode gasket 7 and cathode gasket 8, ionic membrane 3 is between anode gasket 7 and cathode gasket 8.
The anode unit 1 includes anode unit groove body 101, and the right side of anode unit groove body 101 has multiple anodes
Unit groove recess, the anode unit groove body 101 of each corresponding anode unit slot recess are provided with anode elastic claw 102 to the left,
The left side of multiple anode elastic claws 102 is provided with new anode network 103, and new anode network 103 is the complete net of one side, anode unit
1 eliminates original anode support and pin.
The cathode electrode unit 2 includes cathode electrode unit groove body 201, and the left side of cathode electrode unit groove body 201 has multiple cathodes
Unit groove protrusion, the cathode electrode unit groove body 201 of each corresponding cathode electrode unit slot high spot are provided with to the right cathode pillar 202, often
Cathode elastic claw 203 is provided on a cathode pillar 202 to the right, the right side of multiple cathode elastic claws 203 is provided with former cathode
Net 204, the height of cathode pillar 202 will be lower than the height of the cathode pillar in background technique, therefore the height of former cathode screen 204
Also corresponding to reduce, we are also referred to as spacer screen to former cathode screen 204, and the right side of former cathode screen 204 is provided with elastomer 205, bullet
Property body 205 right side be provided with new cathode screen 206, between the new cathode screen 206 of the same unit groove group and new anode network 103
It is provided with ionic membrane 3.New cathode screen 206 and elastomer 205 form elastic cathode net, and new anode network 103 forms anode plain net,
Elastic cathode screen, ionic membrane, anode plain net three are bonded the film pole span structure to be formed in use process, can reduce overvoltage,
Ion membrane damage is reduced, it is convenient that the later period replaces yin-yang polar net.
1 Anodic unit groove of anode unit recess and the 2 Anodic unit geosynclinal concave of cathode electrode unit of two neighboring unit groove group
Sunken location matches, and the contact that cooperates.
In order to improve the electric conductivity of unit groove group and the intensity of new anode network 103, new cathode screen 206, it is ensured that wire side
Planarization, facilitate the film pole span of unit groove group to be transformed, can there is further auxiliary method to realize.
One, anode is transformed:
Yuanyang polar net 104 can be removed and reinstall new anode network 103 by the first scheme, specifically, can be in new sun
It installs anode gusset 105 on the right side of polar net 103 additional, anode gusset 105, anode gusset will be installed on the left side of anode elastic claw 102 additional
105 are connected at the Left-side center point of multiple anode elastic claws 102, and anode gusset 105 forms rigid structure and is used for new anode
The support (as shown in Figure 6) of net 103；Multiple anodes elasticity of same row is vertically connected to as a kind of preferred anodes gusset 105
Between pawl 102；
Second scheme can directly install new anode network on the basis of Yuanyang polar net 104 on Yuanyang polar net 104
103；
Two, cathode is transformed:
The first scheme can first remove former cathode screen 204 and cathode elastic claw 203, in adjacent two column cathode elasticity
Welding installation cathode gusset 207 on the cathode electrode unit groove body 201 in 203 middle position of pawl, cathode gusset 207 play increase it is conductive and
Former cathode screen 204, is then welded on cathode gusset 207 and cathode pillar 202, cathode muscle by the effect for reinforcing support again
Plate 207 forms rigid structure for the support to the former cathode screen 204 reinstalled, and then installs bullet on former cathode screen 204
Property body 205 and new cathode screen 206；
Second scheme opens up the fabrication hole 209 of array arrangement on former cathode screen 204, then fabrication hole and cathode bullet
Property pawl 203 dislocation arrangement, angle steel type supporting element 208 is welded with cathode electrode unit groove body 201 in fabrication hole, by cathode gusset
Then 207 inclinations insertion out of an end fabrication hole hangs down cathode gusset 207 from the process hole position of the other end
It is straight to place, the welded cathode gusset 207 on angle steel type supporting element 208, top surface and the fabrication hole aperture height one of cathode gusset 207
It causes, finally will fill mesh at fabrication hole, form the wire side of a completion, we are also referred to as former cathode screen 204, in fabrication hole
When place fills mesh, the wire side at this is contacted with cathode gusset 207, then installs bullet on the former cathode screen 204 for filling mesh
Property body 205 and new cathode screen 206.
Completely new ion-exchange membrane electrolyzer anodic coating, ion-exchange membrane electrolyzer anodic coating are used on new anode network 103
Preferably a kind of ruthenium of formula, iridium, platinum, titanium combination formula, wherein ruthenium content (Ru35-45mol%), iridium content (Ir5-
15mol%), 4% Mole percent specific gravity in addition can be added in platinum content (Pt5-10mol%), Ti content (Ti35-45mol%)
Other additives of amount, other additives are zirconium chloride or palladium chloride, and suitable proportion is selected to form stable rutile knot
Structure.
Above-mentioned formula is preferably ruthenium content (Ru37-43mol%) as one kind, and iridium content (Ir9-15mol%), platinum contains
It measures (Pt6-9mol%), Ti content (Ti35-40mol%), other additive 3-4mol%.
The carrier of specific ruthenium is ruthenium trichloride, and the carrier of iridium is iridic chloride or chloro-iridic acid, and the carrier of platinum is chloroplatinic acid
Or platinum chloride, the carrier of titanium are titanium tetrachloride.
Production method of the above-mentioned ion-exchange membrane electrolyzer with anodic coating for active anode is as follows:
One, anode titanium net (pretreatment of titanium net substrate) is made；
The substrate net of electrode is made using the titanium plate expansion web of TA1；Titanium plate thickness 1-1.2mm, titanium net thickness 1-1.2mm, water chestnut
Shape mesh, mesh pitch 3*6mm, 3.5*6mm, 4.5*8mm or 5*10mm etc., preferred thickness 1mm, pitch 3*6mm；
Substrate net will provide smooth, clear by processes such as shearing, degreasing, high annealing smoothing, sandblasting, pickling, cleanings
Substrate clean, with pitted skin guarantees that the bond strength of coating and specific surface area maximize；
Concrete technology flow process is as follows:
1, titanium net is sheared；
2, ungrease treatment (using industrial cleaning agent, clean and dry after immersion degreasing)；
3, it is put into heat-treatment furnace with mould clamping titanium net (60-100 are a batch) to be heat-treated, the mould includes
The upper mounted plate and bottom plate of rectangle stack 60-100 titanium nets between upper mounted plate and bottom plate, then will
Upper mounted plate and the Drag link tightener of bottom plate quadrangle, so that mould and titanium net are clamped；Titanium net is in the heat treatment furnace
Furnace cooling is come out of the stove after being heated up to 450 DEG C -530 DEG C；
4, auto-delivery type sand-blasting machine is to the blasting treatment of titanium net front and back sides at hair side；
5, using 80 DEG C -85 DEG C of temperature, the aqueous sulfuric acid of 20-25%Wt carries out pickling to titanium net；
6, pure water cleaning is carried out to titanium net；
7, it dries.
Two, the coating fluid of anodic coating is made；
Coating fluid is formed by the aqueous chloride solution of formula allotment ion-exchange membrane electrolyzer anodic coating；
Use raw material: a, ruthenium trichloride (the ruthenium trichloride aqueous hydrochloric acid solution of the 80-120g/L containing ruthenium or the solid of content 37%
Ruthenium trichloride)；B, titanium tetrachloride, the pure standard reagent of chemistry；C, iridic chloride (the iridic chloride hydrochloric acid water of the 80-120g/L containing iridium
Solution) or chloro-iridic acid；D, chloroplatinic acid or platinum chloride；E, less than other additives such as zirconium chloride, chlorine of 4% Mole percent weight/power ratio
Change (e raw material, which can add, to be not added) such as palladiums；F, aqueous hydrochloric acid solution, ethylene glycol -- one of butyl ether or n-butanol solvent；
Three, anodic coating is made
Coating fluid is coated uniformly on titanium net substrate, the method being coated with using multipass, is first dried after every painting one time, then
High temperature sintering repeats multipass (8-12 times) and is burnt into afterwards, titanium net substrate surface is made to form stable metal oxide containing precious metals crystalline solid.
The titanium net substrate pre-processed carries out multiple automatically electrostatic spray, drying, oxidation furnace high temperature burning by coating weight requirement
Knot, last time amounts to spraying gain in weight on titanium net substrate after being sintered be 25-35g/m2, firing operation and inspection are finally carried out again
It tests, wherein drying temperature is 80-90 DEG C, and oxidation furnace high temperature sintering temperature is 400-500 DEG C, and the oxidation furnace high temperature sintering time is
0.5-1h, the temperature for being finally burnt into operation is 480-530 DEG C, is slowly heated up and slow cooling when being burnt into operation, when firing
Between be 8-12h.
Concrete technology flow process is as follows:
According to after sintering total augment weight amount number can carry out the spraying, drying, sintering of 8-12 cycle operation, it is every all over spray
Painting amount is in 40-60ml/m2, every to weigh after sintering, weight increases 2-4g/m2,
Embodiment 1:
Titanium net substrate: mesh pitch 3*6mm, thickness 1mm；
The coating fluid of anodic coating: ruthenium trichloride, iridic chloride, chloroplatinic acid, titanium tetrachloride and aqueous hydrochloric acid solution are pressed
The atomic percent compositing formula raw material of Ru43:Ir9:Pt8:Ti40；
It is calculated final each as follows using the mass ratio of raw material:
Ruthenium trichloride: iridic chloride: chloroplatinic acid: titanium tetrachloride=88.3:15.7:16.8:158.7.
It makes anodic coating: carrying out spraying, drying, the sintering of 10 cycle operations, every time quantity for spray is in 55-60ml/m2,
Every to weigh after sintering, weight increases 3.5-4g/m2, spraying gain in weight is on total titanium net substrate after last time is sintered
35-40g/m2。
Product test index:
1, chlorine evolution potential testing result: 1.09V-1.10V (index: current density 4KA/ ㎡, saturated brine, 90 DEG C of temperature
± 1 DEG C ,≤1.13V VS SCE)；
2, reinforcing zero-G test result: < 4mg (index: 30%WtNaoH molten night (CP grades), test piece 10C ㎡, 90 DEG C of temperature
It ± 1 DEG C, current density 20KA/ ㎡, is electrolysed 4 hours, weightless < 6.3mg)；
3, it is tested in testing small electrolytic cell assembly: obtaining decomposition voltage lower than the existing anode used；Purity of chlorine gas feeding is big
In 98.8% (not acid adding process), oxygen content is lower than 0.6%.
From product test index, three Testing index obtain preferable result.
Embodiment 2:
Titanium net substrate: mesh pitch 3.5*6mm, thickness 1mm；
The coating fluid of anodic coating: solid ruthenium trichloride, titanium tetrachloride, iridic chloride, zirconium chloride, platinum chloride and second two
Alcohol -- butyl ether, by Ru37:Ir15:Pt6:Ti39:Zr3: atomic percent compositing formula material,
It is calculated final each as follows using the mass ratio of raw material:
Ruthenium trichloride: iridic chloride: chloroplatinic acid: titanium tetrachloride: zirconium chloride=76.0:26.1:12.6:154.8:7.7.
It makes anodic coating: carrying out spraying, drying, the sintering of 10 cycle operations, every time quantity for spray is in 45-50ml/m2,
Every to weigh after sintering, weight increases 2.8-3.5g/m2, gain in weight is sprayed on total titanium net substrate after last time is sintered
For 28-35g/m2。
Product test index:
1, chlorine evolution potential testing result: 1.10V-1.12V (index: current density 4KA/ ㎡, saturated brine, 90 DEG C of temperature
± 1 DEG C ,≤1.13V VS SCE)；
2, strengthen zero-G test result: < 5.5mg (index: 30%WtNaoH molten night (CP grades), test piece 10C ㎡, temperature 90
It DEG C ± 1 DEG C, current density 20KA/ ㎡, is electrolysed 4 hours, weightless < 6.3mg)；
3, it is tested in testing small electrolytic cell assembly: obtaining decomposition voltage lower than the existing anode used；Purity of chlorine gas feeding is big
In 98.6% (not acid adding process), oxygen content is lower than 0.7%.
Embodiment 3:
Titanium net substrate: mesh pitch 4.5*8mm mm, thickness 1mm；
The coating fluid of anodic coating: solid ruthenium trichloride, chloro-iridic acid, chloroplatinic acid, titanium tetrachloride, palladium chloride and positive fourth
Alcohol, by the atomic percent compositing formula material of Ru40:Ir12:Pt9:Ti35:Pd4；
It is calculated final each as follows using the mass ratio of raw material:
Ruthenium trichloride: iridic chloride: chloroplatinic acid: titanium tetrachloride: palladium chloride=82.1:20.9:18.9:138.9:26.3.
It makes anodic coating: carrying out spraying, drying, the sintering of 10 cycle operations, every time quantity for spray is in 40-45ml/m2,
Every to weigh after sintering, weight increases 3-3.5g/m2, spraying gain in weight is on total titanium net substrate after last time is sintered
30-35g/m2。
Product test index:
1, chlorine evolution potential testing result: 1.10V-1.12V (index: current density 4KA/ ㎡, saturated brine, 90 DEG C of temperature
± 1 DEG C ,≤1.13V VS SCE)；
2, reinforcing zero-G test result: < 5mg (index: 30%WtNaoH molten night (CP grades), test piece 10C ㎡, 90 DEG C of temperature
It ± 1 DEG C, current density 20KA/ ㎡, is electrolysed 4 hours, weightless < 6.3mg)；
3, it is tested in testing small electrolytic cell assembly: obtaining decomposition voltage lower than the existing anode used；Purity of chlorine gas feeding is big
In 98.8% (not acid adding process), oxygen content is lower than 0.6%.
The above is only specific application examples of the invention, are not limited in any way to protection scope of the present invention.All uses
Equivalent transformation or equivalent replacement and the technical solution formed, all fall within rights protection scope of the present invention.
Claims (10)
1. a kind of novel I NEOS membrane polar distance electrolytic bath, it includes anode unit (1), cathode electrode unit (2) and is located between the two
Ionic membrane (3), it is characterised in that the anode unit (1) includes anode unit groove body (101), anode unit groove body (101)
Right side fallen into multiple anode unit geosynclinal concaves, the anode unit groove body (101) of each corresponding anode unit slot recess to
A left side is provided with anode elastic claw (102), and the left side of multiple anode elastic claws (102) is provided with new anode network (103), new anode
Net (103) is the complete net of one side, and the cathode electrode unit (2) includes cathode electrode unit groove body (201), cathode electrode unit groove body (201)
Left side risen with multiple cathode electrode unit geosynclinal convexs, the cathode electrode unit groove body (201) of each corresponding cathode electrode unit slot high spot to
The right side is provided with cathode pillar (202), is provided with to the right cathode elastic claw (203) on each cathode pillar (202), multiple cathode bullets
The right side of property pawl (203) is provided with former cathode screen (204), and the right side of former cathode screen (204) is provided with elastomer (205),
The right side of elastomer (205) is provided with new cathode screen (206), the new cathode screen (206) of the same unit groove group and new anode
Ionic membrane (3) are provided between net (103).
2. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 1, it is characterised in that in new anode network (103)
Right side installs anode gusset (105) additional, will install anode gusset (105) additional on the left side of anode elastic claw (102), anode gusset
(105) be connected at the Left-side center point of multiple anode elastic claws (102), anode gusset (105) formed rigid structure for pair
The support of new anode network (103).
3. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 2, it is characterised in that anode gusset (105) is perpendicular
To being connected between multiple anode elastic claws (102) of same row.
4. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 1, it is characterised in that polar net (104) in Yuanyang
On the basis of, it is directly installed on Yuanyang polar net (104) new anode network (103), that is, new anode network (103) and anode elasticity
Still Yuanyang polar net (104) are connected between pawl (102).
5. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 1, it is characterised in that former cathode screen (204) is left
Cathode gusset (207) are provided between side and cathode electrode unit groove body (201).
6. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 5, it is characterised in that remove former cathode screen
(204) and cathode elastic claw (203), the cathode electrode unit groove body (201) in adjacent two column cathode elastic claw (203) middle position
Cathode gusset (207) are installed in upper welding, and former cathode screen (204) is welded in cathode gusset (207) and cathode pillar again
(202) on, cathode gusset (207) forms rigid structure for the support to the former cathode screen (204) reinstalled, former cathode screen
(204) height is consistent with the height of cathode pillar (202).
7. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 5, it is characterised in that in former cathode screen (204)
On open up array arrangement fabrication hole (209), fabrication hole and cathode elastic claw (203) dislocation arrange, by angle steel in fabrication hole
Type supporting element (208) and cathode electrode unit groove body (201) are welded, the welded cathode gusset (207) on angle steel type supporting element (208),
The top surface of cathode gusset (207) is consistent with fabrication hole aperture height, and mesh is filled at fabrication hole, the wire side at this and cathode muscle
Plate (207) contact, installs elastomer (205) and new cathode screen (206) on the former cathode screen (204) for fill mesh.
8. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 1, it is characterised in that on new anode network (103)
Using a kind of ion-exchange membrane electrolyzer anodic coating, the formula of ion-exchange membrane electrolyzer anodic coating is the group of ruthenium, iridium, platinum, titanium
Formula is closed, wherein ruthenium content 35-45mol%, iridium content 5-15mol%, platinum content 5-10mol%, Ti content 35-45mol%
And other additives less than 4%mol%, other additives are zirconium chloride or palladium chloride, wherein the carrier of ruthenium is trichlorine
Change ruthenium, the carrier of iridium is iridic chloride or chloro-iridic acid, and the carrier of platinum is chloroplatinic acid or platinum chloride, and the carrier of titanium is titanium tetrachloride.
9. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 8, it is characterised in that the production side of anodic coating
Method is as follows:
Proportion is carried out using raw material and forms coating fluid, and various raw materials are as follows:
A, ruthenium trichloride；B, titanium tetrachloride；C, iridic chloride or chloro-iridic acid；D, chloroplatinic acid or platinum chloride；E, additive may be selected
Use zirconium chloride or palladium chloride；F, aqueous hydrochloric acid solution, ethylene glycol -- one of butyl ether or n-butanol solvent；
Wherein ruthenium trichloride refers to the ruthenium trichloride aqueous hydrochloric acid solution of the 80-120g/L containing ruthenium or the solid tri-chlorination of content 37%
Ruthenium；Titanium tetrachloride refers to that the pure standard reagent of titanium tetrachloride chemistry, iridic chloride refer to the iridic chloride hydrochloric acid of the 80-120g/L containing iridium
Aqueous solution；
Then coating fluid is coated uniformly on titanium net substrate finally makes titanium net substrate surface form stable metal oxide containing precious metals
Crystalline solid.
10. a kind of novel I NEOS membrane polar distance electrolytic bath according to claim 9, it is characterised in that uniformly apply coating fluid
Overlay on titanium net substrate so that titanium net substrate surface is formed stable metal oxide containing precious metals crystalline solid specific step is as follows:
The titanium net substrate pre-processed carries out multiple automatically electrostatic spray, drying, oxidation furnace high temperature sintering by coating weight requirement, most
Once sintered rear amount to sprays gain in weight as 25-35g/m afterwards on titanium net substrate2, firing operation and inspection are finally carried out again, wherein
Drying temperature is 80-90 DEG C, and oxidation furnace high temperature sintering temperature is 400-500 DEG C, and the oxidation furnace high temperature sintering time is 0.5-1h, most
The temperature for being burnt into operation afterwards is 480-530 DEG C, is slowly heated up and slow cooling when being burnt into operation, firing time 8-12h；
It is every to exist all over quantity for spray according to spraying, drying, the sintering of how much 8-12 cycle operations of carry out of total augment weight amount after sintering
40-60ml/m2, every to weigh after sintering, weight increases 2-4g/m2。
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| CN112010399A (en) * | 2020-07-20 | 2020-12-01 | 西安怡速安智能科技有限公司 | Anode coating formula for decolorizing of electrochemical electrode |
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