CN203960351U - Zero pole span electrolyzer with cathode screen protection - Google Patents
Zero pole span electrolyzer with cathode screen protection Download PDFInfo
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- CN203960351U CN203960351U CN201420403130.5U CN201420403130U CN203960351U CN 203960351 U CN203960351 U CN 203960351U CN 201420403130 U CN201420403130 U CN 201420403130U CN 203960351 U CN203960351 U CN 203960351U
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- electrolyzer
- pipe
- pipe connecting
- salt brine
- light salt
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Abstract
The utility model relates to a kind of ion film caustic soda production field, particularly a kind of zero pole span electrolyzer with cathode screen protection.It comprises ion-exchange membrane electrolyzer, light salt brine circulation tank, anolyte is put clean groove, ion-exchange membrane electrolyzer is connected with light salt brine circulation groove by pipe connecting, the second pipe connecting is housed on this pipe connecting, the second pipe connecting is connected with pressure control pipe with chlorine equilibration tube respectively, and pressure control pipe is connected with exhaust gas recycling tube with waste reflux pipe respectively, and pressure control pipe is put clean groove with anolyte and is connected.The utility model compared with prior art, can reclaim the chlorine in light salt brine, can make again zero polar distance electrolytic bath cathode screen be effectively protected.
Description
Technical field
the utility model relates to a kind of ion film caustic soda production field, particularly a kind of zero pole span electrolyzer with cathode screen protection.
Background technology
development along with ion-exchange membrane electrolysis, in order to reduce power consumption, reduce production cost, in industry, all promoting the use of zero polar distance electrolytic bath, there is very large difference in zero polar distance electrolytic bath and plain electrolysers, also different to the requirement of processing condition, the bearing capacity of zero polar distance electrolytic bath cathode side is compared remarkable reduction with plain electrolysers.When electrolyzer normally moves, the bearing capacity of zero polar distance electrolytic bath cathode side embodies not obvious.But when electrolyzer stops, anolyte can damage cathode screen when anolyte liquid level transfinites across ionic membrane retroaction on cathode screen, just can play protection electrolyzer and not be subject to physical hazard.
Utility model content
goal of the invention of the present utility model is to provide a kind of chlorine that can reclaim in light salt brine, the zero pole span electrolyzer with cathode screen protection that can make again zero polar distance electrolytic bath cathode screen be effectively protected.
the technical solution adopted in the utility model is:
a kind of zero pole span electrolyzer with cathode screen protection; comprise ion-exchange membrane electrolyzer; light salt brine circulation tank; anolyte is put clean groove; ion-exchange membrane electrolyzer is connected with light salt brine circulation groove by pipe connecting, and the second pipe connecting is housed on this pipe connecting, and the second pipe connecting is connected with pressure control pipe with chlorine equilibration tube respectively; pressure control pipe is connected with exhaust gas recycling tube with waste reflux pipe respectively, and pressure control pipe is put clean groove with anolyte and is connected.
adopt the utility model of technique scheme compared with prior art, can reclaim the chlorine in light salt brine, can make again zero polar distance electrolytic bath cathode screen be effectively protected.
the preferred version that the utility model adopts is:
light salt brine circulation tank is identical with the gas phase pressure of chlorine equilibration tube.
the height of the second pipe connecting equates with the liquid level in light salt brine circulation tank.
Accompanying drawing explanation
fig. 1 is structural representation of the present utility model.
Embodiment
referring to Fig. 1, in figure: ion-exchange membrane electrolyzer 1, pipe connecting 2, light salt brine circulation tank 3, the second pipe connectings 4, chlorine equilibration tube 5, pressure control pipe 6, waste liquid inflow pipe 7, exhaust gas recycling tube 8, anolyte is put clean groove 9.
ion-exchange membrane electrolyzer 1 is connected with light salt brine circulation tank 3 by pipe connecting 2, light salt brine circulation tank 3 is connected with pressure control pipe 6 by the second pipe connecting 4, the second pipe connecting 4 is connected with chlorine equilibration tube 5, pressure control pipe 6 is connected with waste liquid inflow pipe 7, pressure control pipe 6 is connected with exhaust gas recycling tube 8, and waste liquid inflow pipe 7 is put clean groove 9 with anolyte and is connected.
the present embodiment solves the zero predispose to damage technical barrier of polar distance electrolytic bath cathode screen in ion film caustic soda production process, and effect is good.
during ion-exchange membrane electrolyzer 1 normal operation, light salt brine circulation tank 3 liquid levels are controlled at 3.200m, and light salt brine circulation tank 3 is identical with chlorine equilibration tube 5 gas phase pressure, and the second pipe connecting 4 is identical with liquid level in light salt brine circulation tank 3; Due to the existence of light salt brine circulation tank 3 one wall pressure, causing the upflow tube liquid level of pressure control pipe 6 one sides is 4.500m, does not have salt solution overflow; During ion-exchange membrane electrolyzer 1 operation exception, when in light salt brine circulation tank 3, liquid level rises to 3.700m, upflow tube starts overflow, salt solution by pipe connecting through the second pipe connecting 4, pressure control pipe 6 and waste liquid inflow pipe 7, enter anolyte and put clean groove 9: in overflow salt solution, part waste chlorine enters useless chlorine absorption system, thereby guaranteed that anolyte can not transfinite, guaranteed that cathode screen is not subject to physical hazard.
Claims (3)
1. the zero pole span electrolyzer with cathode screen protection; comprise ion-exchange membrane electrolyzer; light salt brine circulation tank; anolyte is put clean groove; it is characterized in that: ion-exchange membrane electrolyzer is connected with light salt brine circulation groove by pipe connecting, the second pipe connecting is housed on this pipe connecting, and the second pipe connecting is connected with pressure control pipe with chlorine equilibration tube respectively; pressure control pipe is connected with exhaust gas recycling tube with waste reflux pipe respectively, and pressure control pipe is put clean groove with anolyte and is connected.
2. the zero pole span electrolyzer with cathode screen protection according to claim 1, is characterized in that: light salt brine circulation tank is identical with the gas phase pressure of chlorine equilibration tube.
3. the zero pole span electrolyzer with cathode screen protection according to claim 1, is characterized in that: the height of the second pipe connecting equates with the liquid level in light salt brine circulation tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403130.5U CN203960351U (en) | 2014-07-22 | 2014-07-22 | Zero pole span electrolyzer with cathode screen protection |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420403130.5U CN203960351U (en) | 2014-07-22 | 2014-07-22 | Zero pole span electrolyzer with cathode screen protection |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203960351U true CN203960351U (en) | 2014-11-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420403130.5U Active CN203960351U (en) | 2014-07-22 | 2014-07-22 | Zero pole span electrolyzer with cathode screen protection |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203960351U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111647905A (en) * | 2020-06-15 | 2020-09-11 | 天伟化工有限公司 | Process control method for reducing damage of electrolytic cell shutdown to cathode chamber |
-
2014
- 2014-07-22 CN CN201420403130.5U patent/CN203960351U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111647905A (en) * | 2020-06-15 | 2020-09-11 | 天伟化工有限公司 | Process control method for reducing damage of electrolytic cell shutdown to cathode chamber |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |