CN1316063C - Press filter type multi-electrode ion film unit electrolytic tank - Google Patents
Press filter type multi-electrode ion film unit electrolytic tank Download PDFInfo
- Publication number
- CN1316063C CN1316063C CNB2004100212800A CN200410021280A CN1316063C CN 1316063 C CN1316063 C CN 1316063C CN B2004100212800 A CNB2004100212800 A CN B2004100212800A CN 200410021280 A CN200410021280 A CN 200410021280A CN 1316063 C CN1316063 C CN 1316063C
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- Prior art keywords
- anode
- cathode
- film unit
- type multi
- filter type
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- 239000003792 electrolyte Substances 0.000 claims abstract description 11
- PXHVJJICTQNCMI-UHFFFAOYSA-N Nickel Chemical compound [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 claims description 18
- 239000004020 conductor Substances 0.000 claims description 13
- 239000000463 material Substances 0.000 claims description 13
- 239000008151 electrolyte solution Substances 0.000 claims description 11
- 238000010276 construction Methods 0.000 claims description 10
- 229910052759 nickel Inorganic materials 0.000 claims description 8
- RTAQQCXQSZGOHL-UHFFFAOYSA-N Titanium Chemical compound [Ti] RTAQQCXQSZGOHL-UHFFFAOYSA-N 0.000 claims description 7
- 230000007797 corrosion Effects 0.000 claims description 7
- 238000005260 corrosion Methods 0.000 claims description 7
- 229910052719 titanium Inorganic materials 0.000 claims description 7
- 239000010936 titanium Substances 0.000 claims description 7
- 229910045601 alloy Inorganic materials 0.000 claims description 6
- 239000000956 alloy Substances 0.000 claims description 6
- 230000008676 import Effects 0.000 claims description 6
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 238000004804 winding Methods 0.000 claims description 5
- 229910000990 Ni alloy Inorganic materials 0.000 claims description 3
- 229910001069 Ti alloy Inorganic materials 0.000 claims description 3
- 238000009434 installation Methods 0.000 claims description 3
- 238000009826 distribution Methods 0.000 abstract description 3
- 239000012528 membrane Substances 0.000 abstract description 2
- 238000003466 welding Methods 0.000 description 11
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 9
- 239000002131 composite material Substances 0.000 description 5
- 239000002585 base Substances 0.000 description 4
- 229910001200 Ferrotitanium Inorganic materials 0.000 description 3
- 239000003513 alkali Substances 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000000576 coating method Methods 0.000 description 2
- 238000005868 electrolysis reaction Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000005405 multipole Effects 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- PEDCQBHIVMGVHV-UHFFFAOYSA-N Glycerine Chemical compound OCC(O)CO PEDCQBHIVMGVHV-UHFFFAOYSA-N 0.000 description 1
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 description 1
- KJTLSVCANCCWHF-UHFFFAOYSA-N Ruthenium Chemical compound [Ru] KJTLSVCANCCWHF-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- HZEWFHLRYVTOIW-UHFFFAOYSA-N [Ti].[Ni] Chemical compound [Ti].[Ni] HZEWFHLRYVTOIW-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 229910052741 iridium Inorganic materials 0.000 description 1
- GKOZUEZYRPOHIO-UHFFFAOYSA-N iridium atom Chemical compound [Ir] GKOZUEZYRPOHIO-UHFFFAOYSA-N 0.000 description 1
- 150000002739 metals Chemical class 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 239000010970 precious metal Substances 0.000 description 1
- 229910052707 ruthenium Inorganic materials 0.000 description 1
- 239000012266 salt solution Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The present invention relates to a filter-press complex pole ionic membrane unit electrolytic tank used in chloric base industry. An anode electrolytic tank 1 and a cathode electrolytic tank 2 have a series connection frame structure, flexible conductive bodies 11 which are vertically and symmetrically ranged are arranged between the anode electrolytic tank 1 and the cathode electrolytic tank 2, and bolts 4 are uniformly distributed around the slots for connecting. A cathode 18 and an anode 13 are arranged in the upper ends of a cathode frame 6 and an anode work 3, and the inner periphery of the lower end is provided with a box-shaped cathode baffle plate 7 and a box-shaped anode baffle plate 8; a cathode spring net 19 and an anode spring net 12 are arranged on the baffle plates, and a cathode conduction rib 20 and an anode conduction rib 9 are connected with the cathode baffle plate 7 and the anode baffle plate 8 at intervals; ear bases 5 are arranged the outer sides of the baffle plates; electrolyte inlets 10, 14 are arranged at the lower ends of the baffle plates, and electrolyte outlets 16, 17 are arranged at the upper ends of the baffle plates. A left and right connecting support seat 15 is also arranged. The present invention has the advantages of simple structure, convenient repair, homogeneous current distribution and small electrolyte resisting, the current efficiency is more than 95 to 97%, and the DC power consumption is lower than 2100KW h/t.
Description
Affiliated technical field
The invention belongs to the chloric alkali electrolysis device, the press filter type multi-electrode ion film unit electrolytic bath that particularly a kind of chlor-alkali industry uses.
Background technology
In chlorine industry, widely used complex pole type ion-membrane system alkali device has multiple structure, and a kind of multipole unit groove adopts titanium-steel or the two-layer composition board of titanium-nickel to be connected with the spot welding of cathode and anode dividing plate, is that two layers of composition board welding of titanium-steel form frame all around.Weld with the anode and cathode dividing plate again.Be provided with some conduction floors and electrode, dividing plate welding in the reaction chamber, form the passage of reaction chamber as electrolytic solution.The weak point of this unit groove is that the cost of titanium-steel composite board is too high, and anode and cathode supports and relies on the conduction floor to connect, and conduction floor number is many, and the path prolongs when making electrolyte flow, and resistance increases.It is not very even that electrolytic solution distributes, and power consumption is high, and efficient is low.Another kind of multipole unit groove adopts composite slats to be connected plate-like cathode and anode dividing plate with composite conductive column, insert the frame of steel all around, some floors are set or stamping forming concavo-convex dish and cathode and anode welding formation tank room on dividing plate in the tank room, dividing plate need be used mould, the moulding of configure dedicated equipment, composite slats and composite conductive column, dividing plate, electrode all adopt welded construction, reduce conductive area, member is yielding when moving under high current density, cause the weld cracking of dividing plate, rib and dividing plate, concavo-convex dish, solution leakage is stopped production.
Summary of the invention
The objective of the invention is to design a kind of simple in structure, easy to maintenance, distribution of current evenly, the electrolytic solution resistance is little, be suitable for the press filter type multi-electrode ion film unit electrolytic bath that moves high current density under.
Task of the present invention is, a kind of press filter type multi-electrode ion film unit electrolytic bath,
By anode electrolytic tank, the moon Utmost point electrolyzer and between the electric installation that is provided with formAnode electrolytic tank, cathode electrolytic cell are the serial connection skeleton construction, between anode electrolytic tank and the cathode electrolytic cell flexible electrical conductors is set, symmetric offset spread up and down, groove Zhou Junbu bolt connects, cathode and anode framework arranged outside ear seat, the lower end is provided with the electrolytic solution import, the upper end is provided with electrolyte outlet, about connect bearing, in the anode electrolytic cell framework upper end anode is set, the lower end inside circumference is provided with box-like anode clapboard, the anode spring net is installed on the anode clapboard, on anode clapboard, is connected the anode conducting rib at interval.In the cathode frame upper end of cathode electrolytic cell negative electrode is set, the lower end inside circumference is provided with box-like cathode separator, and the cathode spring net is installed on the cathode separator, connects negative electrode conduction rib on cathode separator at interval.Cathode frame, anode superstructure are that four cross sections are the skeleton construction that square hollow connects, the uniform liquid-through hole of square hollow inner side-wall.The cathode frame material is
Nickel or nickel-base alloy, the anode superstructure material is
Titanium or titanium base alloyFlexible electrical conductors is corrosion resisting elastic wire netting or corrosion resistant foamed metal, the anode spring net is the spiral titanium silk of horizontal and vertical winding and the reticulated structure of titanium alloy wire, and the cathode spring net is the reticulated structure of the spiral nickel and nickel alloy wire of horizontal and vertical winding.
Press filter type multi-electrode ion film unit electrolytic bath of the present invention has following characteristics:
1, the independent tank room that forms of the anode and cathode dividing plate of unit electrolytic bath and anode and cathode framework welding is simple in structure, symmetric offset spread up and down, and the rectangular support structure that the anode and cathode framework adopts square hollow to constitute forms electrolyte passage in square hollow.
2, between anode electrolytic tank and cathode electrolytic cell, flexible electrical conductors is set, electrical conductor is corrosion resisting elastic wire netting or corrosion resistant foamed metal, can obtain bigger contact conductive area, reduces pressure drop, flexible electrical conductors has compensate function, and installation, maintenance is convenient.
3, the cathode and anode spring net is the reticulated structure of the spiral metal wire of horizontal and vertical winding, has support, conduction, compensate function, and the electrolyte flow resistance is little, and distribution of current is even.
Description of drawings
Specify the present invention below in conjunction with accompanying drawing with embodiment.
Fig. 1 shows press filter type multi-electrode ion film unit electrolytic bath front view.
The B-B sectional view of Fig. 2 diagrammatic sketch 1.
The A-A sectional view of Fig. 3 diagrammatic sketch 1.
The C-C cutaway view Amplified image of Fig. 4 diagrammatic sketch 1.
Fig. 5 shows cathode and anode frame and yin, yang dividing plate welded construction.
Fig. 6 shows conduction rib and yin, yang framework, dividing plate welded construction.
Fig. 7 shows the anode and cathode diaphragm structure.
Among the figure, the 1-anode electrolytic tank; The 2-cathode electrolytic cell; The 3-anode superstructure; The 4-bolt; 5-ear seat; The 6-cathode frame; The 7-cathode separator; The 8-anode clapboard; 9-anode conducting rib; The import of 10-catholyte; The 11-flexible electrical conductors; 12-anode spring net; The 13-anode; The import of 14-anolyte; The 15-bearing; The outlet of 16-catholyte; The outlet of 17-anolyte; The 18-negative electrode; 19-cathode spring net; 20-negative electrode conduction rib
Embodiment
Below in conjunction with accompanying drawing embodiments of the present invention and effect thereof are further described.
With reference to accompanying drawing 1,2,3,4.Press filter type multi-electrode ion film unit electrolytic bath
By anode electrolytic tank 1, negative electrode Electrolyzer 2And between the flexible electrical conductors 11 that is provided with form, anode electrolytic tank 1, cathode electrolytic cell 2 are the serial connection skeleton construction, between anode electrolytic tank 1 and the cathode electrolytic cell 2 flexible electrical conductors 11 is set, symmetric offset spread up and down, groove Zhou Junbu bolt 4 connects, cathode and anode framework 6,3 arranged outside ear seats 5, the lower end is provided with electrolytic solution import 10,14, and the upper end is provided with electrolyte outlet 16,17, about connect bearing 15.
With reference to the welded construction of accompanying drawing 4,5,7 cathode separator 7 with cathode frame 6, cathode separator 7 materials can adopt the alloy of nickel or stainless steel or these metals, make box like structure and cathode frame 6 inside circumferences weld.
With reference to accompanying drawing 6, negative electrode conduction rib 20, cathode frame 6 are welded construction with cathode separator 7.Negative electrode conduction rib 20 is the lath of thickness 5mm, and material adopts and cathode separator 7 identical or stainless steels.For electrolytic solution is flowed at the tank room internal recycle, on negative electrode conduction rib 20, open some liquid-through holes.For the planeness of improving cathode separator 7 and the integral rigidity of press filter type multi-electrode ion film unit electrolytic bath, weld with cathode frame 6 welding, lower end and cathode separator 7 at the two ends of negative electrode conduction rib 20.
For electric current is evenly distributed on the electrode surface, between negative electrode 18 and cathode separator 7, cathode spring net 19 is set, material adopts nickel wire or the nickel-base alloy silk of φ 1～φ 2mm.The upper surface of cathode spring net 19 and negative electrode 18 welding, lower surface is in cathode separator 7 welding.Electric current is transmitted to the cathode spring net by cathode separator in the electrolytic process, and is a lot of with the point of contact of negative electrode 18, and electric current is also relatively more even in the surface arrangement of negative electrode.Electrolytic solution resistance to flow in cathode spring net 18 is very little in addition, has guaranteed the circulation of tank room electrolyte inside.
Negative electrode 18 adopts circular hole net or the pulling eye net through flattening of thickness 1.0～1.2mm.Material adopts nickel, and spraying Lei-Ni nickel washcoat in surface is soldered to cathode spring net 19 and negative electrode conduction rib 20.
The structure of anode electrolytic tank 1 is with identical with cathode electrolytic cell 2, and material adopts the alloy of titanium or titanium to make, and contains the coating of precious metals such as ruthenium, iridium at anode 13 external coatings.
In order to guarantee the welding strength of ear seat 5 and yin, yang framework 6,3, ear seat 5 materials adopt the material identical with cathode and anode framework 6,3.
In order to guarantee the excellent contact conductivity between cathode electrolytic cell 1 and the anode electrolytic tank 2, between cathode and anode dividing plate 7,8, flexible electrical conductors 11 is set, material adopts elasticity nickel screen or foamed metal.Flexible electrical conductors 11 can make cathode and anode dividing plate 7,8 keep excellent contact, the electrolyte-resistant corrosion, the centre is provided with passage, causes electrolyzer to leak if yin, yang dividing plate 7,8 damages, electrolytic solution oozes out from the intermediary liquid-through hole, has made things convenient for operator to failure judgment and processing.
Press filter type multi-electrode ion film unit electrolytic bath is when work, and the hydrogen of generation and sodium hydroxide are discharged by the catholyte outlet 16 of cathode electrolytic cell 2, and chlorine and not electrolytic salt solution are discharged by the anolyte outlet 17 of anode electrolytic tank 1, finish successive electrolysis work.When the current density of passing through when electrolyzer was 3.0～4.0KA/m2, the voltage between unit groove was 3.0～3.3v, and current efficiency is more than 95～97%, and direct current consumption is below the 2100KWh/t100%NaOH.NaOH concentration is more than 31～32%.
Claims (8)
1. press filter type multi-electrode ion film unit electrolytic bath, by anode electrolytic tank (1), cathode electrolytic cell (2) and between the electrical conductor (11) that is provided with form, it is characterized in that anode electrolytic tank (1), cathode electrolytic cell (2) is the serial connection skeleton construction, anode electrolytic tank (1) and cathode electrolytic cell (2) and between flexible electrical conductors (11) is set, symmetric offset spread up and down, groove Zhou Junbu bolt (4) connects, cloudy, anode superstructure (6,3) arranged outside ear seat (5), the lower end is provided with electrolytic solution import (10), the upper end is provided with electrolyte outlet (16), about connect bearing (15).
2. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 1, it is characterized in that in anode superstructure (3) upper end of anode electrolytic tank (1) anode (13) being set, the lower end inside circumference is provided with box-like anode clapboard (8) and goes up installation anode spring net (12), goes up at anode clapboard (8) to connect anode conducting rib (9) at interval.
3. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 1, it is characterized in that in cathode frame (6) upper end of cathode electrolytic cell (2) negative electrode (18) being set, the box-like cathode separator (7) that is provided with the lower end inside circumference goes up installs cathode spring net (19), goes up in cathode separator (7) to connect negative electrode conduction rib (20) at interval.
4. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 1 is characterized in that cathode frame (6), anode superstructure (3) are that four cross sections are the skeleton construction that square hollow connects, the uniform liquid-through hole of square hollow inner side-wall.
5. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 1, cathode frame (6) material is nickel or nickel-base alloy, anode superstructure (3) material is titanium or titanium base alloy.
6. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 1 is characterized in that flexible electrical conductors (11) is corrosion resisting elastic wire netting or corrosion resistant foamed metal.
7. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 2 is characterized in that anode spring net (12) is the spiral titanium silk of horizontal and vertical winding and the reticulated structure of titanium alloy wire.
8. a kind of press filter type multi-electrode ion film unit electrolytic bath according to claim 3 is characterized in that the reticulated structure of cathode spring net (19) for the spiral nickel and nickel alloy wire of horizontal and vertical winding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100212800A CN1316063C (en) | 2004-04-09 | 2004-04-09 | Press filter type multi-electrode ion film unit electrolytic tank |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2004100212800A CN1316063C (en) | 2004-04-09 | 2004-04-09 | Press filter type multi-electrode ion film unit electrolytic tank |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1598065A CN1598065A (en) | 2005-03-23 |
| CN1316063C true CN1316063C (en) | 2007-05-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2004100212800A Expired - Fee Related CN1316063C (en) | 2004-04-09 | 2004-04-09 | Press filter type multi-electrode ion film unit electrolytic tank |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106624B (en) * | 1985-07-04 | 1988-12-07 | 旭化成工业株式会社 | Electrolytic device of multiple electrolytic cells |
| CN1049875A (en) * | 1989-08-11 | 1991-03-13 | 索尔维公司 | The frame unit and the press filter type one pole electrolyzer that are used for the press filter type electrolyzer |
| CN1012686B (en) * | 1985-03-07 | 1991-05-29 | 奥罗茨奥·诺拉电化学工厂联合股票公司 | Monopolar and bipolar electrolyzer and electrodic structures thereof |
| CN1041644C (en) * | 1992-03-11 | 1999-01-13 | 中国科学院大连化学物理研究所 | Filter press type saline solution electrolytic bath with gas electrode |
| US6071386A (en) * | 1998-06-26 | 2000-06-06 | Siemens Aktiengesellschaft | Electrolysis apparatus |
| CN2687141Y (en) * | 2004-04-09 | 2005-03-23 | 阜新竞欣电化有限责任公司 | Filter-press multipole in membrane unit electrolytic tank |
-
2004
- 2004-04-09 CN CNB2004100212800A patent/CN1316063C/en not_active Expired - Fee Related
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1012686B (en) * | 1985-03-07 | 1991-05-29 | 奥罗茨奥·诺拉电化学工厂联合股票公司 | Monopolar and bipolar electrolyzer and electrodic structures thereof |
| CN85106624B (en) * | 1985-07-04 | 1988-12-07 | 旭化成工业株式会社 | Electrolytic device of multiple electrolytic cells |
| CN1049875A (en) * | 1989-08-11 | 1991-03-13 | 索尔维公司 | The frame unit and the press filter type one pole electrolyzer that are used for the press filter type electrolyzer |
| CN1041644C (en) * | 1992-03-11 | 1999-01-13 | 中国科学院大连化学物理研究所 | Filter press type saline solution electrolytic bath with gas electrode |
| US6071386A (en) * | 1998-06-26 | 2000-06-06 | Siemens Aktiengesellschaft | Electrolysis apparatus |
| CN2687141Y (en) * | 2004-04-09 | 2005-03-23 | 阜新竞欣电化有限责任公司 | Filter-press multipole in membrane unit electrolytic tank |
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| Publication number | Publication date |
|---|---|
| CN1598065A (en) | 2005-03-23 |
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