CN1306102A - Monopolar ion membrane electrolyzer - Google Patents
Monopolar ion membrane electrolyzer Download PDFInfo
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- CN1306102A CN1306102A CN00136024.8A CN00136024A CN1306102A CN 1306102 A CN1306102 A CN 1306102A CN 00136024 A CN00136024 A CN 00136024A CN 1306102 A CN1306102 A CN 1306102A
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Abstract
A monopolar ion membrane electrolyzer is composed of unit tanks, each of which is divided into two frame units by ion exchange membrane, cathode or anode frames vertically arranged in cathode frames or anode frames, electrically conductive Ni-Cu or Ti-Cu rods arranged horizontally, electric collecting rods for cathodes or anodes, two distributors, and cathode and anode nets. Its advantages include saving energy, high anticorrosion nature and long service life.
Description
The invention belongs to electrochemical production equipment, particularly a kind of electrochemical production gas and alkali-metal monopolar ion membrane electrolyzer equipment.
Ion-exchange membrane electrolyzer is as modern chlor-alkali industry advanced person's electrolyzer, and with easy to operate, energy-saving and cost-reducing, characteristics such as product purity height are widely used.Ion-exchange membrane electrolyzer has two types of multipole type, acyclic types.The monopolar ion membrane electrolyzer received current all adopts radially input, and distribution of current is inhomogeneous, influences the work-ing life of current efficiency, bath voltage and ionic membrane.According to the literature, electrical conductor is set in the anolyte compartment, can makes distribution of current even, the cathode screen sheet electric current output that cathode side adopts, the cathode screen sheet is thin, sectional area is little, output current path is long, resistance is big, current loss is big, current efficiency is low.Distribution of current evenly is the problem that design of electrolysis cells at first solves.Now the groove frame of the monopolar ion membrane electrolyzer of Shi Yonging mainly is that metal and rubber or reinforced plastics are made, the main raw anode titanium of metal, and negative electrode nickel, long service life, but involve great expense, rubber and reinforced plastics economy, but the life-span of using is shorter.
Monopolar ion membrane electrolyzer major parts unit groove of the present invention, form an electrolyzer by several unit grooves, produce chlorine, hydrogen and caustic soda with saturated sodium-chloride water solution, use ion-exchange membrane to separate several tank rooms between each unit groove, limit the tank room area by framework, alternately arrange anode electrolysis chamber and catholyte chamber between tank room and the tank room, each tank room all has the expanded metal electrode of a pair of vertical through hole, skeleton welding in this electrode and the tank room, plane of skeleton and conduction compound bar assembly welding, support electrode connects power supply.It is electrical conductor that the vertical web sheet is set in the cathode compartment, and the electrical conductor sectional area is big, and route is short, coats the copper electrical conductor of deciding by the good nickel of conductivity, makes distribution of current even, has improved current efficiency.The single-pole ion-membrane unit groove helps the gas in the electrolytic process and the natural circulation of electrolytic solution, makes the electrolytic condition homogenizing in the tank room.
The framework of single-pole ion-membrane unit groove of the present invention has the function of press filter type electrolyzer, frame material is required to have certain rigidity and have more flat trim, anolyte compartment, cathode compartment framework are made with titanium nickel steel coated carbon respectively, and electrochemical corrosion resistant guarantees rigidity, anticorrosion.Anode, negative electrode skeleton are made with titanium and nickel metal respectively, and the anode conducting rod coats the copper core with titanium, and cathode collector bar coats the copper core with nickel and makes.
Electrolyzer has solved economic, durable problem.The anode slot frame is made skeleton with ferrous metal and is coated the rare metal titanium outward, and the cathode can frame is coated with non-ferrous metal nickel with ferrous metal as skeleton.Guarantee the electrolyzer use properties, have certain rigidity, economical, anticorrosion.
Specify with embodiment and effect below in conjunction with accompanying drawing.
Fig. 1 shows the monopolar ion membrane electrolyzer structural representation.
Fig. 2 shows anode unit groove structural representation.
Fig. 3 shows cathode electrode unit groove structural representation.
Fig. 4 shows the monopolar ion membrane electrolyzer horizontal cross.
Fig. 5 shows pure water, salt water dispenser enlarged view.
Among the figure, the 1-anode network; The 2-ionic membrane; 3-hydrogen, alkali lye outlet; The 4-cathode collector bars; 5-pure water inlet; The 6-cathode screen; The 7-gasket; 8-pure water divider; 9-negative electrode skeleton; 9-1 negative electrode skeleton through hole; 10-ambrose alloy compound bar; The 11-cathode frame; 12-salt water dispenser; 13-anode skeleton; 13-1 anode skeleton through hole; 14-salt water inlet; 15-anode current collecting bar; The 16-titanium and copper composite bar; 17-chlorine, light salt brine outlet; The 18-anode superstructure; 19-salt solution through hole; 20-pure water through hole
With reference to accompanying drawing 1-5, the electrolyzer that is used for electrochemical production gas and basic metal product, monopolar ion membrane electrolyzer with a plurality of unit grooves, each unit groove is separated two frame units 11 by ion-exchange membrane, 18, one of them cathode frame 11, an anode superstructure 18, arranged vertical negative electrode skeleton 9 in the cathode frame 11, horizontal conduction ambrose alloy compound bar 10 external cathode collector bars 4, take electric components as the leading factor, the divider 8 that lower horizontal is installed vertically joins outside welded cathode net 6, top has hydrogen, alkali lye outlet 3, purified water inlet 5 is equipped with in the bottom, arranged vertical anode skeleton 13 in anode superstructure 18, the conduction titanium and copper composite bar 16 that level is installed, external anode current collecting bar 15, take electric components as the leading factor, the divider 12 that lower horizontal is installed vertically joins, outside welding anode network 1, top has chlorine, light salt brine outlet 17, the bottom has salt water inlet 14.Negative electrode, anode superstructure 11,18 and negative electrode, anode skeleton 9,13, conduction ambrose alloy, titanium and copper composite bar 10,16 join and are same plane, at negative electrode, anode skeleton 9,13 both sides welding metal negative electrodes, anode network electrode 6,1.The middle portion of negative electrode, anode skeleton 9,13 has several through holes 9-1,13-1.The divider 8,12 that titanium and nickel metallic substance are made is used in the bottom in negative electrode, the anode superstructure 11,18, and top has some through holes 19,20.The parts that participate in electrolytic reactions in the negative electrode, anode superstructure 11,18 are used the corrosion-resistant material manufacturings, and anode is with titanium, negative electrode nickel.Level is installed some conduction ambrose alloys, titanium and copper composite bar 10,16 current conducting rods in negative electrode, the anode superstructure 11,18, take electric device as the leading factor, vertically connect several negative electrodes, anode skeleton 9,13, compound bar 10,16 core body copper materials, external cathode coats with nickel, and anode coats with titanium.
Monopolar ion membrane electrolyzer is determined tank room by negative electrode, anode frame 11,18, has metal sheet negative electrode, the anode network 6,1 of through hole in the both sides of tank room, and scribbles the electrode of the activated coating that can reduce liberation of hydrogen, chlorine evolution potential.This electrode and negative electrode, 9,13 welding of anode skeleton, negative electrode, anode skeleton 9,13 and conduction ambrose alloy, titanium and copper composite bar 10,16 welding, make distribution of current even, negative electrode, anode superstructure 11,18 are passed in conduction ambrose alloy, titanium and copper composite bar 10,16 welding, fixedly connected power cathode, anode current collecting bar 4,15 have played negative electrode, anode skeleton 9,13 and conduction ambrose alloy, titanium and copper composite bar 10,16 this battery lead plate negative electrode, anode network 6,1 are connected and supporting role with power supply.Make electrolytic solution fully circulation in tank room, be equipped with electrolytic solution pure water, salt water dispenser 8,12 in each frame unit, top has some pure water, salt solution through hole 20,19 at interval, makes sodium chloride aqueous solution and pure water can be assigned to tank room uniformly.Pure water, 8,12 horizontal weldings of salt water dispenser are connected on the tank room bottom, are connected with pure water inlet 5 with salt water inlet 14.
The monopolar ion membrane electrolyzer technical performance index
The current density 3.1KAm that passes through when electrolyzer
-2The time
Below the bath voltage 3.06V;
Current efficiency 〉=96%;
Direct current consumption 2100KW/ ton alkali;
Concentration of lye is more than 32%.
Monopolar ion membrane electrolyzer is energy-saving and cost-reducing, and safety in production is corrosion-resistant, long service life.
Claims (6)
1, a kind of electrolyzer that is used for electrochemical production gas and basic metal product, monopolar ion membrane electrolyzer with a plurality of unit grooves, each unit groove is separated two frame units 11 by ion-exchange membrane, 18, it is characterized in that one of them cathode frame 11, an anode superstructure 18, arranged vertical negative electrode skeleton 9 in the cathode frame 11, horizontal conduction ambrose alloy compound bar 10 external cathode collector bars 4, take electric components as the leading factor, the divider 8 that lower horizontal is installed vertically joins, outside welded cathode net 6, top has hydrogen, alkali lye outlet 3, purified water inlet 5 is equipped with in the bottom, arranged vertical anode skeleton 13 in anode superstructure 18, the conduction titanium and copper composite bar 16 that level is installed, external anode current collecting bar 15 is taken electric components as the leading factor, the salt water dispenser 12 that lower horizontal is installed vertically joins, outside welding anode network 1, top has chlorine, light salt brine outlet 17, the bottom has salt water inlet 14.
2, monopolar ion membrane electrolyzer according to claim 1, it is characterized in that negative electrode, anode superstructure 11,18 and negative electrode, anode skeleton 9,13, conduction ambrose alloy, titanium and copper composite bar 10,16 join and are same plane, at negative electrode, anode skeleton 9,13 both sides welding metal negative electrodes, anode network electrode 6,1.
3, monopolar ion membrane electrolyzer according to claim 1 is characterized in that the middle portion of negative electrode, anode skeleton 9,13 has several through holes 9-1,13-1.
4, monopolar ion membrane electrolyzer according to claim 1 is characterized in that the divider 8,12 that the bottom uses titanium and nickel metallic substance to make in negative electrode, the anode superstructure 11,18, and top has some through holes 19,20.
5, monopolar ion membrane electrolyzer according to claim 1 is characterized in that the parts that participate in electrolytic reactions in the negative electrode, anode superstructure 11,18 use the corrosion-resistant material manufacturings, and anode is with titanium, negative electrode nickel.
6, monopolar ion membrane electrolyzer according to claim 1, it is characterized in that level is installed some conduction ambrose alloys, titanium and copper composite bar 10,16 current conducting rods in negative electrode, the anode superstructure 11,18, take electric device as the leading factor, vertical several negative electrodes, the anode skeleton 9,13 of connecting, compound bar 10,16 core body copper materials, external cathode coats with nickel, and anode coats with titanium.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00136024.8A CN1306102A (en) | 2000-12-27 | 2000-12-27 | Monopolar ion membrane electrolyzer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN00136024.8A CN1306102A (en) | 2000-12-27 | 2000-12-27 | Monopolar ion membrane electrolyzer |
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| Publication Number | Publication Date |
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| CN1306102A true CN1306102A (en) | 2001-08-01 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN00136024.8A Pending CN1306102A (en) | 2000-12-27 | 2000-12-27 | Monopolar ion membrane electrolyzer |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805909A (en) * | 2010-03-19 | 2010-08-18 | 江阴市宏泽氯碱设备制造有限公司 | Monopolar type membrane polar distance electrolytic bath |
| CN108004567A (en) * | 2017-12-19 | 2018-05-08 | 安徽浩瀚星宇新能源科技有限公司 | A kind of metal material is prepared with continuous electric level electrolytic cell |
-
2000
- 2000-12-27 CN CN00136024.8A patent/CN1306102A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101805909A (en) * | 2010-03-19 | 2010-08-18 | 江阴市宏泽氯碱设备制造有限公司 | Monopolar type membrane polar distance electrolytic bath |
| CN108004567A (en) * | 2017-12-19 | 2018-05-08 | 安徽浩瀚星宇新能源科技有限公司 | A kind of metal material is prepared with continuous electric level electrolytic cell |
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