CN101805909A - Monopolar type membrane polar distance electrolytic bath - Google Patents
Monopolar type membrane polar distance electrolytic bath Download PDFInfo
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- CN101805909A CN101805909A CN 201010127429 CN201010127429A CN101805909A CN 101805909 A CN101805909 A CN 101805909A CN 201010127429 CN201010127429 CN 201010127429 CN 201010127429 A CN201010127429 A CN 201010127429A CN 101805909 A CN101805909 A CN 101805909A
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- electrolytic bath
- polar distance
- type membrane
- net
- monopolar type
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Abstract
The invention discloses a monopolar type membrane polar distance electrolytic bath. A plurality of anode chamber frames and a plurality of cathode chamber frames are alternatively arranged in the electrolytic bath, ion membranes are arranged between the anode chamber frames and the cathode chamber frames, the anode chamber frames are in the shape of frames, a plurality of rib plates and a plurality of current-conducting rods are arranged inside the frames, the current-conducting rods penetrate through the rib plates and are vertical to the rib plates, one ends of the current-conducting rods stretch out of the frames to serve as electrode tips, the electrode tips are connected with a brass plate. The electrolytic device has the characteristics of simple structure and stable performance and can prevent damage to the ion exchange membrane due to air vibration in the electrolytic bath and abrasion to the ion membrane by the surface of an electrode net; in addition, the electrode can also expand specific surface of cathode activity net, evenly distribute current; polar distance can reach the thickness of the ion membrane, so that voltage of the electrolytic bath is lowered and direct current consumption for caustic soda production is reduced.
Description
Technical field
The present invention relates to the cell technologies field, be specifically related to a kind of acyclic type electrolyzer, belong to the electrolyzer in the chlorine industry.
Background technology
At present, what use in part chlor-alkali production enterprise is a kind of monopolar ion membrane electrolyzer, this structure is to be provided with a plurality of anolyte compartments frame and a plurality of cathode chamber frame in an electrolyzer, adjacent being emitted on of anolyte compartment's frame and cathode chamber frame separated in the groove, be provided with ionic membrane and separate in the middle of anolyte compartment's frame and cathode chamber frame, the end of anolyte compartment's frame and cathode chamber frame is sealed by rubber sheet gasket.Wherein the negative electrode sealed structure of electrolyzer is as follows: shown in the diagram 1,2, make a framework 2 with the stainless steel square pipe, in framework, be provided with some gussets 3, choose the supporting-point 8 that several are used to support wire side on the gusset 3, side in the outside one of this framework is connected with a copper bar that is used to conduct electricity 6, to be fixed by bolts on the described copper bar 6 as the active net 7 of the base steel of electrode, by the wire side of the periphery of framework 2 and the active nets 7 of described supporting-point 8 supporting negative electrode base steels, between the periphery of framework 2 and base steel activity net 7, add pad 12.
The cathode chamber frame of this structure exists following problems:
1, be that first nickel plating is plated active coating again and made after copper base material (t=1 copper coin) punching because of electrode network, this cathode screen is softer, the locational cathode screen that is positioned at supporting-point after using after a while can play bulge, causes negative electrode wire side injustice, and local negative electrode wire side can push up on the ionic membrane top.Because the active coating that the cathode screen surface is plated is all more short-tempered, when the gas in the electrolyzer vibrates, very easily causes the damage of ionic membrane.
2, the copper base electrode net of this electric groove generally all is an early production, the phenomenon that voltage rises comparatively fast, bath voltage raises promptly can occur in the middle and later periods of using, and causes the power consumption of producing caustic soda higher.
3, in the prior art, reach 1300 * 1600 as the copper net electrode net size of electrode because it is less to produce the enterprise of this wide cut copper coin, cause this electrode network from price higher, and the cycle of the supply of material is also long.
Summary of the invention
The objective of the invention is to overcome defective of the prior art, a kind of stable electrolyzer is provided, characteristics simple in structure, dependable performance that this electrolyzer should have, and can prevent because the wearing and tearing that ion-exchange membrane is damaged and cause ionic membrane on the electrode network surface that the gas vibration in the electrolyzer causes, the present invention also aims to enlarge the table specific area of cathodic activity net, make distribution of current even, pole span reaches the thickness of ionic membrane, thereby reduce the voltage of electrolyzer, make the direct current consumption of production of caustic soda obtain descending.
For achieving the above object, technical scheme of the present invention adopts a kind of monopolar type membrane polar distance electrolytic bath, in described electrolyzer, be provided with alternately several anolyte compartment's frames and several cathode chamber frame, between described anolyte compartment frame and described cathode chamber frame, be provided with ion diaphragm, it is characterized in that, described cathode chamber frame is a frame-like, in described framework, be provided with some gussets, in described framework, also be provided with and put some current conducting rods, described current conducting rod passes described gusset and perpendicular with described gusset, the outside that one end of described current conducting rod extend out to described framework is as electrode tip, and described electrode tip is connected with a bronze medal.
Wherein, be provided with the pulling eye net on the surface of described framework, described pulling eye net welds mutually with described substrate.
Wherein, described pulling eye net nickel plate pulling eye net.
Wherein, be equipped with the elastic buffer net of nickel wire braiding on the surface of described pulling eye net.
The cathode plane stratum reticulare of nickel wire braiding wherein, is housed at the outside surface of described buffering net.
Wherein, described current conducting rod is the composition metal rod, and the heart of described composition metal rod is a copper rod, is enclosed with stainless steel layer in the appearance of described copper rod, and the end that is positioned at the described current conducting rod of described framework inside is also blocked by stainless steel layer.
Wherein, the electrode tip of described current conducting rod is the copper rod of single material.
Wherein, described framework is made with square stainless steel tube.
Advantage of the present invention and beneficial effect are: this monopolar type membrane polar distance electrolytic bath is a kind of stable electrolyzer, it has simple in structure, the characteristics of dependable performance, and can prevent because the wearing and tearing that ion-exchange membrane is damaged and cause ionic membrane on the electrode network surface that the gas vibration in the electrolyzer causes, this electrolyzer has enlarged the table specific area of cathodic activity net in addition, it can make that the distribution of current in the electrolytic process is even, pole span between anode and the negative electrode has reached the thickness of ionic membrane, thereby the voltage in the time of can reducing electrolytic tank electrolysis can make the direct current consumption of production of caustic soda significantly be descended.
Description of drawings
Fig. 1 is a cathode chamber frame structural representation in the prior art;
Fig. 2 is the A-A sectional view of Fig. 1;
Fig. 3 is a cathode chamber frame structural representation among the present invention;
Fig. 4 is the B-B sectional view of Fig. 3.
Among the figure: 1, cathode chamber frame; 2, framework; 3, gusset; 4, current conducting rod; 5, electrode tip; 6, bronze medal; 7, the active net of base steel; 8, supporting-point; 9, pulling eye net; 10, elastic buffer net; 11, cathode plane stratum reticulare; 12, pad.
Embodiment
Below in conjunction with drawings and Examples, the specific embodiment of the present invention is further described.Following examples only are used for technical scheme of the present invention more clearly is described, and can not limit protection scope of the present invention with this.
Shown in accompanying drawing 3,4, the concrete technical scheme of implementing of the present invention is:
The present invention is a kind of monopolar type membrane polar distance electrolytic bath, several spaced anolyte compartment's frames and several cathode chamber frame 1 are installed in this electrolyzer, between anolyte compartment's frame and cathode chamber frame, ion diaphragm is housed, on the basis that does not change existing anolyte compartment mount structure substantially, the present invention improves existing cathode chamber frame structure, the present invention makes framework 2 shapes with cathode chamber frame, in framework, be provided with 8～10 gussets 3, in framework 2, also be provided with and put 5～6 current conducting rods 4, current conducting rod 4 is passed gusset 3 and perpendicular with gusset 3, one end of this current conducting rod 4 extend out to the outside of framework 3 as electrode tip 5, and this electrode tip 5 is connected with a bronze medal 7.
Embodiment 2
On the basis of embodiment 1, the present invention further in the surface mounting of cathode frame 2 pulling eye net 9, this pulling eye net 9 is welded mutually with above-mentioned gusset 3.This pulling eye net 9 is a kind of pulling eye nets made from the nickel plate.Re-lay the elastic buffer net 10 of one deck with the nickel wire braiding on the surface of this pulling eye net 9.At the outside surface of buffering net 10 the cathode plane stratum reticulare 11 of one deck with the nickel wire braiding is installed again then.
On the basis of embodiment 1, current conducting rod 4 of the present invention is a kind of metal bars that are composited, the heart of this composition metal rod is a copper rod, appearance at copper rod is enclosed with one deck stainless steel, this current conducting rod 4 is also blocked by stainless steel layer in the end that is positioned at framework 2 inside, adopting stainless steel layer is in order to prevent that copper rod is corroded, and within it portion to adopt copper material be in order to improve the electric conductivity of electrode.The present invention is made for the electrode tip of current conducting rod 4 copper rod of single material.
Framework 2 among the present invention adopts square stainless steel tube to make.
The advantage of the various embodiments described above and be that current conducting rod that is evenly distributed and gusset add the elastic tissue on nickel plate surface makes that the distribution of current in the electrolyzer is even, and specific surface strengthens.
Elastic tissue can make the anode network of electrolyzer, ionic membrane, and cathode screen the three fit together, and reduced the power consumption that the cathode and anode spacing causes.
The thermooxidizing metallic coating that adopt on the cathode screen surface makes its surperficial smoother, can not cause the wearing and tearing to ionic membrane.
Do not need to reimportation copper base cathode screen, maintenance cost is lower afterwards to use for some time, only need change elastic network(s), nerve of a covering and negative electrode veil.
Energy conservation and consumption reduction effects is very obvious after using this monopolar type membrane polar distance electrolytic bath, with an electric groove for example.The new device initial operating stage of monopolar type membrane polar distance electrolytic bath and original import produces power consumption of caustic soda per ton and surpasses 170 degree, by 50,000 tons of devices calculating of annual production, and year economize on electricity 8,500,000 degree, economic benefit is considerable.
The above only is a preferred implementation of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the technology of the present invention principle; can also make some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.
Claims (8)
1. monopolar type membrane polar distance electrolytic bath, in described electrolyzer, be provided with alternately several anolyte compartment's frames and several cathode chamber frame, between described anolyte compartment frame and described cathode chamber frame, be provided with ion diaphragm, it is characterized in that, described cathode chamber frame is a frame-like, in described framework, be provided with some gussets, in described framework, also be provided with and put some current conducting rods, described current conducting rod passes described gusset and perpendicular with described gusset, the outside that one end of described current conducting rod extend out to described framework is as electrode tip, and described electrode tip is connected with a bronze medal.
2. monopolar type membrane polar distance electrolytic bath as claimed in claim 1 is characterized in that, is provided with the pulling eye net on the surface of described framework, and described pulling eye net welds mutually with described substrate.
3. monopolar type membrane polar distance electrolytic bath as claimed in claim 2 is characterized in that, described pulling eye net nickel plate pulling eye net.
4. monopolar type membrane polar distance electrolytic bath as claimed in claim 3 is characterized in that, is equipped with the elastic buffer net of nickel wire braiding on the surface of described pulling eye net.
5. monopolar type membrane polar distance electrolytic bath as claimed in claim 4 is characterized in that, the cathode plane stratum reticulare of nickel wire braiding is housed at the outside surface of described buffering net.
6. monopolar type membrane polar distance electrolytic bath as claimed in claim 1, it is characterized in that, described current conducting rod is the composition metal rod, the heart of described composition metal rod is a copper rod, appearance at described copper rod is enclosed with stainless steel layer, and the end that is positioned at the described current conducting rod of described framework inside is also blocked by stainless steel layer.
7. monopolar type membrane polar distance electrolytic bath as claimed in claim 6 is characterized in that, the electrode tip of described current conducting rod is the copper rod of single material.
8. as each described monopolar type membrane polar distance electrolytic bath in the claim 1 to 7, it is characterized in that described framework is made with square stainless steel tube.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127429 CN101805909A (en) | 2010-03-19 | 2010-03-19 | Monopolar type membrane polar distance electrolytic bath |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010127429 CN101805909A (en) | 2010-03-19 | 2010-03-19 | Monopolar type membrane polar distance electrolytic bath |
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| CN101805909A true CN101805909A (en) | 2010-08-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010127429 Pending CN101805909A (en) | 2010-03-19 | 2010-03-19 | Monopolar type membrane polar distance electrolytic bath |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073842A (en) * | 2011-10-13 | 2014-10-01 | 金川集团有限公司 | Negative plate used for electrodepositing electrolyzing nickel |
| CN105177620A (en) * | 2015-05-14 | 2015-12-23 | 山东飞扬化工有限公司 | Device and method for electrolytic synthesis of succinic acid by zero polar distance diaphragm process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125785A (en) * | 1995-07-27 | 1996-07-03 | 北京化工机械厂 | Single-pole ion-membrane electrolysis device |
| CN1306102A (en) * | 2000-12-27 | 2001-08-01 | 阜新化工设备有限责任公司 | Monopolar ion membrane electrolyzer |
| CN201665714U (en) * | 2010-03-19 | 2010-12-08 | 江阴市宏泽氯碱设备制造有限公司 | Monopolar type membrane polar-distance electrolytic bath |
-
2010
- 2010-03-19 CN CN 201010127429 patent/CN101805909A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1125785A (en) * | 1995-07-27 | 1996-07-03 | 北京化工机械厂 | Single-pole ion-membrane electrolysis device |
| CN1306102A (en) * | 2000-12-27 | 2001-08-01 | 阜新化工设备有限责任公司 | Monopolar ion membrane electrolyzer |
| CN201665714U (en) * | 2010-03-19 | 2010-12-08 | 江阴市宏泽氯碱设备制造有限公司 | Monopolar type membrane polar-distance electrolytic bath |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104073842A (en) * | 2011-10-13 | 2014-10-01 | 金川集团有限公司 | Negative plate used for electrodepositing electrolyzing nickel |
| CN105177620A (en) * | 2015-05-14 | 2015-12-23 | 山东飞扬化工有限公司 | Device and method for electrolytic synthesis of succinic acid by zero polar distance diaphragm process |
| CN105177620B (en) * | 2015-05-14 | 2018-05-11 | 山东飞扬化工有限公司 | The diaphragm electrolysis device for synthesizing succinic acid and method of a kind of zero pole span |
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Application publication date: 20100818 |