Novel INEOS membrane polar distance electrolytic cell

A membrane electrode spacing and electrolytic cell technology, applied in the electrolysis process, electrolysis components, electrodes, etc., can solve the problems of wasting the effective area of ​​electrolysis, affecting the purity of chlorine gas, and decreasing the current efficiency, and achieves convenient replacement of cathode and anode meshes, reliable and safe operation. , the effect of reducing overvoltage

Pending Publication Date: 2019-09-06
宏泽(江苏)科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] 2. The cathode and anode pins will partially squeeze the ion membrane, and the 128 pins also waste the effective area of ​​electrolysis π*(25/2) 2 *128=62800mm 2 =0.0628m 2
[0006] On this basis, titanium-based ruthenium-titanium coatings are generally used for the anode coating of traditional electrolytic cells.

Method used

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  • Novel INEOS membrane polar distance electrolytic cell
  • Novel INEOS membrane polar distance electrolytic cell
  • Novel INEOS membrane polar distance electrolytic cell

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0081] Titanium mesh substrate: mesh pitch 3*6mm, thickness 1mm;

[0082] The coating liquid of anodic coating: ruthenium trichloride, iridium tetrachloride, chloroplatinic acid, titanium tetrachloride and hydrochloric acid aqueous solution, form formula raw material by the atomic percentage of Ru43:Ir9:Pt8:Ti40;

[0083] Calculate the mass ratio of each raw material used in the end as follows:

[0084] Ruthenium trichloride: iridium tetrachloride: chloroplatinic acid: titanium tetrachloride=88.3:15.7:16.8:158.7.

[0085] Making anodic coating: spraying, drying, and sintering for 10 cycles, and the amount of spraying in each pass is 55-60ml / m 2 , weighing after each sintering, the weight increases by 3.5-4g / m 2 , after the last sintering, the total weight of spraying on the titanium mesh substrate is 35-40g / m 2 .

[0086] Product test indicators:

[0087] 1. Test result of chlorine analysis potential: 1.09V-1.10V (indicator: current density 4KA / ㎡, saturated brine, tempera...

Embodiment 2

[0092] Titanium mesh substrate: mesh pitch 3.5*6mm, thickness 1mm;

[0093] Coating solution for anode coating: solid ruthenium trichloride, titanium tetrachloride, iridium tetrachloride, zirconium chloride, platinum chloride and ethylene glycol--butyl ether, according to Ru37:Ir15:Pt6:Ti39:Zr3 : the atomic percent constitutes the formula material,

[0094] Calculate the mass ratio of each raw material used in the end as follows:

[0095] Ruthenium trichloride: iridium tetrachloride: chloroplatinic acid: titanium tetrachloride: zirconium chloride=76.0: 26.1: 12.6: 154.8: 7.7.

[0096] Making anodic coating: spraying, drying, and sintering for 10 cycles, and the amount of spraying in each pass is 45-50ml / m 2 , weighing after each sintering, the weight increases by 2.8-3.5g / m 2 , after the last sintering, the total weight of spraying on the titanium mesh substrate is 28-35g / m 2 .

[0097] Product test indicators:

[0098] 1. Test result of chlorine analysis potential: 1.10V-...

Embodiment 3

[0102] Titanium mesh substrate: mesh pitch 4.5*8mm mm, thickness 1mm;

[0103] Coating solution for anode coating: solid ruthenium trichloride, chloroiridic acid, chloroplatinic acid, titanium tetrachloride, palladium chloride and n-butanol, according to the atomic percentage composition formula of Ru40:Ir12:Pt9:Ti35:Pd4 material;

[0104] Calculate the mass ratio of each raw material used in the end as follows:

[0105] Ruthenium trichloride: iridium tetrachloride: chloroplatinic acid: titanium tetrachloride: palladium chloride=82.1: 20.9: 18.9: 138.9: 26.3.

[0106] Making anode coating: spraying, drying, and sintering for 10 cycles, and the amount of spraying in each pass is 40-45ml / m 2 , weighing after each sintering, the weight increases by 3-3.5g / m 2 , after the last sintering, the total spraying weight on the titanium mesh substrate is 30-35g / m 2 .

[0107] Product test indicators:

[0108] 1. Test result of chlorine analysis potential: 1.10V-1.12V (indicator: cur...

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Abstract

The invention relates to a novel INEOS membrane polar distance electrolytic cell. The electrolytic cell comprises an anode unit, a cathode unit and ion membranes positioned between the anode unit andthe cathode unit. The electrolytic cell is characterized in that the anode unit comprises anode unit cell bodies, and a new anode net is arranged on the left side face of each anode elastic claw, wherein each new anode net is a complete net; the cathode unit comprises cathode unit cell bodies, each cathode column is provided with a cathode elastic claw on the right, the right side face of each cathode elastic claw is provided with an original cathode net, and the right side face of each original cathode net is provided with an elastomer; a new cathode net is arranged on the right side face ofeach elastomer, and each ion membrane is arranged between the corresponding new cathode net and corresponding new anode net of the same unit cell group. The novel INEOS membrane polar distance electrolytic cell has the advantages of being capable of reducing overvoltage, reducing damage of the ion membranes, providing convenience for replacing cathode and anode nets in the later period and increasing the effective electrolytic area, and reliable and safe during running.

Description

technical field [0001] The invention relates to a novel INEOS membrane pole distance electrolyzer. Background technique [0002] The INEOS electrolytic cell is produced in the UK. There are 128 pillars and elastic claws distributed in the cathode and anode unit tanks. The electrodes (cathode and anode) are on the top. The electrodes above the pillars have holes, and pins are installed in the mesh. The pins are metal. Titanium, nickel plus fluorine plastic cap, (such as figure 1 shown). A layer of ionic membrane is sandwiched between an anode unit and a cathode unit. There are rubber gaskets on the sealing surfaces of the cathode and anode respectively, and there are flange frame bars on the back, which are locked by screw groups (76 groups) to form a Group cell slots, (eg figure 2 shown). Multiple sets of unit tanks are suspended on the tank frame, one side leans against the fixed wallboard, and the other side is tightened by 32 sets of ejector bolts, and the current co...

Claims

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Application Information

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IPC IPC(8): C25B1/26C25B9/18C25B9/06C25B9/08C25B11/06C25B9/17C25B9/19
CPCC25B1/26C25B9/19C25B9/70C25B11/091
Inventor 徐国民杜承华杨仕斌
Owner 宏泽(江苏)科技股份有限公司
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