CN201106069Y - Bipolar type natural-cycle ion-exchange membrane electrolyzer - Google Patents
Bipolar type natural-cycle ion-exchange membrane electrolyzer Download PDFInfo
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- CN201106069Y CN201106069Y CNU2007201735227U CN200720173522U CN201106069Y CN 201106069 Y CN201106069 Y CN 201106069Y CN U2007201735227 U CNU2007201735227 U CN U2007201735227U CN 200720173522 U CN200720173522 U CN 200720173522U CN 201106069 Y CN201106069 Y CN 201106069Y
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Abstract
A bipolar type natural circulation ion membrane electrolyzer is disclosed, and is composed of a plurality of electrolytic cells; an ion exchange membrane is sealed between the electrolyzers; the electrolytic cells are composed of a cathode chamber and an anode chamber arranged back-to-back, the upper part of each chamber is provided with a gas and liquid separator and an electrolytic product supplying outlet, the lower part of each chamber is provided with a material inlet, and the middle part of each chamber is provided with an isolation separator; an outer frame of the chamber adopts the whole structure, and the periphery and the separator adopt non-metal engineering material to carry out integral injection molding; electric connectors are evenly arranged on the electrolytic cells; the cathode chamber and the anode chamber are connected by the electric connectors; two sides of each chamber are provided with support reinforcing plates; the middle separator is provided with holes and bolts; the bolts are arranged at the side of the cathode chamber and the anode chamber; the support reinforcing plates are welt on the bolts and the nuts in equal distance; the sides of the cathode chamber and the anode chamber are welded with the support reinforcing plates, and an activated cathode electrode network is welded on the cathode support reinforcing plates; an activated cathode electrode network taking titanium or titanium alloy as material is welded on the anode support reinforcing plates; a cycle plate is arranged between the anode support reinforcing plates.
Description
Technical field
The utility model relates to the bipolar type natural-circulation ion-exchange membrane electrolyzer structure, belongs to electrolysis with ion-exchange film technology and apparatus field.
Background technology
Ion-exchange membrane electrolyzer belongs to electrolysis equipment main in the chlor-alkali industry, bipolar type natural-circulation ion-exchange membrane electrolyzer mainly is made of a plurality of unit electrolytic baths, between unit electrolytic bath, be sealed with ion-exchange membrane by gasket, unit electrolytic bath by back-to-back the configuration, cathode disc that on conductive path, connects and anode disc, the framework that constitutes by four frames, be welded to the moon by the conduction gusset, negative electrode on the anode disc and anode and the moon, the gas-liquid separation box that upper portion of anode chamber is divided is formed, cathode disc and anode disc for around with the discoid component of sidewall, sidewall at cathode disc and anode disc has import and the effusive outlet of electrolysis product that the electrolysis material enters respectively, import lays respectively at the moon, on the lower wall of anode disc, outlet lays respectively at the moon, on the anode disc upper side wall, be installed with thrust-augmenting nozzle in the anodic bottom.Though the bipolar type natural-circulation ion-exchange membrane electrolyzer of this kind structure can be produced alkali lye, its manufacturing process complexity, manufacturing cost height when using.Because the Working environment harshness is at high temperature worked in the salt solution of high density and the alkali lye environment, and the anolyte compartment has oxidisability in the electrolytic process, and cathode compartment has reductibility, electrolyzer very easily is corroded to produce and leaks in addition.
Summary of the invention
The purpose of this utility model be design a kind of rational in infrastructure, make simple bipolar type natural-circulation ion-exchange membrane electrolyzer, not only corrosion-resistant, and reduce cost.
The bipolar type natural-circulation ion-exchange membrane electrolyzer that the utility model is designed, constitute by a plurality of (more than one) unit electrolytic bath, between unit electrolytic bath, be sealed with ion-exchange membrane by gasket, unit electrolytic bath is by the cathode compartment that reaches that disposes back-to-back, the anolyte compartment constitutes, cathode compartment, upper portion of anode chamber has gas-liquid separator, the sidepiece of cathode compartment and anolyte compartment has import and the effusive outlet of electrolysis product that the electrolysis material enters respectively, import lays respectively at the moon, the bottom of anolyte compartment, outlet lays respectively at the moon, upper portion of anode chamber, housing adopts whole type structure, cloudy, isolate by the dividing plate that has metallic framework in the middle of the anolyte compartment, the periphery of housing and central dividing plate adopt nonmetal engineering materials injection moulding global formation, the conduction tie-in module evenly is set on the central dividing plate of unit electrolytic bath, connect cathode compartment and anolyte compartment by the conduction tie-in module, cloudy, the bearing rib of both sides, anolyte compartment is placed in the dividing plate both sides respectively by screw bolt and nut, have on the central dividing plate and be used for erection bolt, the hole of nut, the nut of cathode compartment side is selected iron for use, nickel or stainless steel metal material are made, the bolt of anolyte compartment's side selects for use metal titanium or titanium alloy material to make, at bolt, equidistant welding bearing rib above the nut, the cathode compartment face down bonding connects the bearing rib of nickel or stainless steel, anolyte compartment's face down bonding connects the bearing rib of titanium or titanium alloy material, the activated cathode electrode network of welding nickel or stainless steel on the cathode support gusset, the activation anode electrode net of welding titanium or titanium alloy material is provided with the circulation weir plate between the anode-supported gusset on the anode-supported gusset.
The engineering materials that housing of the present utility model and central dividing plate adopt is the DCPD (dicyclopentadiene) or PP (polypropylene) material of acid-and base-resisting, chlorine.
When the utility model cooperates erection bolt and nut on central dividing plate; adding metal washer and rubber gasket seals; metal washer is identical with each indoor bolt or nut material; rubber cradle adopts the EPT rubber packing packing ring of low calcium and magnesium; to protect ion-exchange membrane effectively and to guarantee electrolysate purity, improve electrolytic efficiency.
At cathode compartment and bottom, anolyte compartment the feed liquor dispersion pipe is set separately, uniform aperture on the pipe, aperture is the space between adjacent two gussets, helps into being evenly distributed of tank liquid like this.
The inner porous plate (as shown in Figure 4) of installing of the gas-liquid separator that upper portion of anode chamber is provided with makes gas can separate fully with liquid; Import and export adapter and be the diagonal angle setting, the bottom is an inlet connection, and gas-liquid separator end, top is a downstream end.
Cathode compartment top is provided with gas-liquid separator, imports and exports to take over to be the diagonal angle setting, and the bottom is an inlet connection, and gas-liquid separator end, top is a downstream end.
For strengthening the intensity of frame, its inside is embedded with metallic framework.
The advantage of the bipolar type natural-circulation ion-exchange membrane electrolyzer that the utility model is designed is:
1, simple in structure, save metallic substance cathode and anode dish, framework and central dividing plate adopt non-metallic material, and weight alleviates greatly.
2, make process for machining and manufacturing simple because of saving the cathode and anode dish, the cost of electrolyzer reduces.
3, housing and central dividing plate adopt the injection moulding global formation, good seal, and leakage rate reduces.
But the utility model wide popularization and application is in the chemical industry for making chlorine and alkali industry.
Description of drawings
Fig. 1 is the utility model bipolar type natural-circulation ion-exchange membrane electrolyzer anode side structural representation.
Fig. 2 is the utility model bipolar type natural-circulation ion-exchange membrane electrolyzer cathode side structural representation.
Fig. 3 is a unit electrolytic bath vertical view sectional view.
Fig. 4 is a unit electrolytic bath left view sectional view.
Embodiment
Below in conjunction with accompanying drawing embodiment of the present utility model and effect thereof are further described.
The structure of unit electrolytic bath is made of the cathode compartment A, the B of anolyte compartment that dispose back-to-back as shown in Figure 3.The periphery of the housing 1 of unit electrolytic bath and central dividing plate 26 adopt DCPD (dicyclopentadiene) material injection moulding global formation, and housing 1 inside is embedded with the metallic framework that strengthens intensity, has metallic framework in the central dividing plate 26 equally.The conduction tie-in module evenly is set on the central dividing plate 26, and the conduction tie-in module can adopt following scheme to implement:
Shown in Fig. 3,4, evenly perforate is fastened on special bolt and specialized nut on the central dividing plate then on central dividing plate 26.Bolt 10 and nut 11 are installed in cathode compartment A and B both sides, anolyte compartment respectively, seal by metal washer and rubber gasket 9, metal washer is identical with cathode compartment A or the bolt or the nut material in the B of anolyte compartment at place, and seal washer 9 adopts EPDM (terpolymer EP rubber) material of low calcium and magnesium content to make.
The specialized nut of cathode compartment A side selects for use the nickel metallic substance to make, and the special bolt of the B of anolyte compartment side selects for use the metal titanium material to make.At bolt, equidistant welding bearing rib above the nut, cathode compartment A face down bonding connects the bearing rib 5 of nickel material, anolyte compartment's B face down bonding connects the bearing rib 4 of titanium material, the activated cathode electrode network 8 of welding nickel material on the cathode support gusset, the activation anode electrode net 7 of welding titanium material is provided with circulation weir plate 2,3,6 between the anode-supported gusset on the anode-supported gusset.
The top of cathode compartment A, the B of anolyte compartment has gas-liquid separator 24,25, and cathode compartment A top is provided with gas-liquid separator, imports and exports to take over to be the diagonal angle setting, and the bottom is an inlet connection, and gas-liquid separator end, top is a downstream end; The gas-liquid separator 25 inner porous plates of installing that B top, anolyte compartment is provided with make gas can separate fully with liquid; Import and export adapter and be the diagonal angle setting, the bottom is an inlet connection 14,23, and gas-liquid separator end, top is a downstream end 18,21.
The sidepiece of cathode compartment A and the B of anolyte compartment has import 14,23 and the effusive outlet 18,21 of electrolysis product that the electrolysis material enters respectively, import lays respectively at the bottom of cathode and anode chamber, at cathode compartment A and B bottom, anolyte compartment the feed liquor dispersion pipe is set separately, uniform aperture on it, the space of aperture between adjacent two gussets, feed liquor is evenly distributed, guarantees the smooth running of electrolytic process.
Claims (7)
1, a kind of bipolar type natural-circulation ion-exchange membrane electrolyzer, constitute by a plurality of unit electrolytic baths, between unit electrolytic bath, be sealed with ion-exchange membrane by gasket, unit electrolytic bath is by the cathode compartment that disposes back-to-back, the anolyte compartment constitutes, cathode compartment, upper portion of anode chamber has gas-liquid separator, the bottom of cathode compartment and anolyte compartment has the import that the electrolysis material enters, top has the effusive outlet of electrolysis product, import lays respectively at the moon, the bottom of anolyte compartment, outlet lays respectively at the moon, upper portion of anode chamber, it is characterized in that: housing adopts whole type structure, cloudy, isolate by the dividing plate that has metallic framework in the middle of the anolyte compartment, the periphery of housing and central dividing plate adopt nonmetal engineering materials injection moulding global formation, and electrical connection module evenly is set on the central dividing plate of unit electrolytic bath, connect cathode compartment and anolyte compartment by the conduction tie-in module; Tie-in module is that special bolt and specialized nut are fastenedly connected in the central dividing plate both sides, cloudy, the bearing rib of both sides, anolyte compartment is placed in the dividing plate both sides respectively by screw bolt and nut, have on the central dividing plate and be used for erection bolt, the hole of nut, the bolt or the nut of cathode compartment side are selected iron for use, nickel or stainless steel metal material are made, the bolt of anolyte compartment's side or nut select for use metal titanium or titanium alloy material to make, at bolt, equidistant welding bearing rib above the nut, the cathode compartment face down bonding connects the bearing rib of nickel or stainless steel, anolyte compartment's face down bonding connects the bearing rib of titanium or titanium alloy material, the activated cathode electrode network of welding nickel or stainless steel on the cathode support gusset, the activation anode electrode net of welding titanium or titanium alloy material is provided with circulation plates between the anode-supported gusset on the anode-supported gusset.
2, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: the engineering materials that housing and central dividing plate adopt is the dicyclopentadiene or the polypropylene material of acid-and base-resisting, chlorine.
3, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: cooperate the screw bolt and nut of installing on the central dividing plate, adding metal washer and rubber gasket seals, metal washer is identical with each indoor bolt or nut material, and rubber cradle adopts the terpolymer EP rubber of low calcium and magnesium content to make.
4, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: at cathode compartment and bottom, anolyte compartment uniform aperture on the feed liquor house steward is set separately, aperture is the space between adjacent two gussets.
5, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: the inner porous plate of installing of the gas-liquid separator that upper portion of anode chamber is provided with makes gas can separate fully with liquid; Import and export adapter and be the diagonal angle setting, the bottom is an inlet connection, and gas-liquid separator end, top is a downstream end.
6, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: cathode compartment top is provided with gas-liquid separator, imports and exports to take over to be the diagonal angle setting, and the bottom is an inlet connection, and gas-liquid separator end, top is a downstream end.
7, bipolar type natural-circulation ion-exchange membrane electrolyzer according to claim 1, its feature also is: the inside of frame is embedded with the metallic framework that strengthens intensity.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735227U CN201106069Y (en) | 2007-09-30 | 2007-09-30 | Bipolar type natural-cycle ion-exchange membrane electrolyzer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007201735227U CN201106069Y (en) | 2007-09-30 | 2007-09-30 | Bipolar type natural-cycle ion-exchange membrane electrolyzer |
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| CN201106069Y true CN201106069Y (en) | 2008-08-27 |
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| CNU2007201735227U Expired - Lifetime CN201106069Y (en) | 2007-09-30 | 2007-09-30 | Bipolar type natural-cycle ion-exchange membrane electrolyzer |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451245B (en) * | 2007-12-07 | 2010-09-29 | 中国蓝星（集团）总公司 | Dipolar type natural circulation ionic membrane electrolysis cell |
| CN110029354A (en) * | 2019-05-08 | 2019-07-19 | 蓝星(北京)化工机械有限公司 | Utilize the method for lithium chloride Direct Electrolysis preparation LITHIUM BATTERY lithium hydroxide |
| CN113388849A (en) * | 2021-06-18 | 2021-09-14 | 蓝星(北京)化工机械有限公司 | Hydrochloric acid electrolyzer by ion-exchange membrane method |
| CN115821287A (en) * | 2022-11-15 | 2023-03-21 | 滨化集团股份有限公司 | Method for producing hydrogen peroxide and hydrogen by electrolyzing ammonium bisulfate |
| CN117385384A (en) * | 2023-10-31 | 2024-01-12 | 苏州希倍优氢能源科技有限公司 | Electrolysis trough with inside natural circulation |
-
2007
- 2007-09-30 CN CNU2007201735227U patent/CN201106069Y/en not_active Expired - Lifetime
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101451245B (en) * | 2007-12-07 | 2010-09-29 | 中国蓝星（集团）总公司 | Dipolar type natural circulation ionic membrane electrolysis cell |
| CN110029354A (en) * | 2019-05-08 | 2019-07-19 | 蓝星(北京)化工机械有限公司 | Utilize the method for lithium chloride Direct Electrolysis preparation LITHIUM BATTERY lithium hydroxide |
| CN113388849A (en) * | 2021-06-18 | 2021-09-14 | 蓝星(北京)化工机械有限公司 | Hydrochloric acid electrolyzer by ion-exchange membrane method |
| CN113388849B (en) * | 2021-06-18 | 2024-02-13 | 蓝星(北京)化工机械有限公司 | Hydrochloric acid electrolysis method by ion membrane method |
| CN115821287A (en) * | 2022-11-15 | 2023-03-21 | 滨化集团股份有限公司 | Method for producing hydrogen peroxide and hydrogen by electrolyzing ammonium bisulfate |
| CN117385384A (en) * | 2023-10-31 | 2024-01-12 | 苏州希倍优氢能源科技有限公司 | Electrolysis trough with inside natural circulation |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20080827 Effective date of abandoning: 20070930 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20080827 Effective date of abandoning: 20070930 |