CN103882472A - Chlorine gas recovery process in ionic membrane electrolyzing device - Google Patents
Chlorine gas recovery process in ionic membrane electrolyzing device Download PDFInfo
- Publication number
- CN103882472A CN103882472A CN201410084569.0A CN201410084569A CN103882472A CN 103882472 A CN103882472 A CN 103882472A CN 201410084569 A CN201410084569 A CN 201410084569A CN 103882472 A CN103882472 A CN 103882472A
- Authority
- CN
- China
- Prior art keywords
- chlorine
- chlorine water
- water
- recovery process
- gas
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Landscapes
- Electrolytic Production Of Non-Metals, Compounds, Apparatuses Therefor (AREA)
Abstract
The invention provides a chlorine gas recovery process in an ionic membrane electrolyzing device. The chlorine gas recovery process is characterized in that chlorine water flowing out of a vacuum system chlorine water cooler and a vacuum pump outlet gas-liquid separator is directly fed into a chlorine water tank by virtue of an inserted pipe and chlorine water from a chlorate decomposition system, a chloride-hydrogen processing step and an anode discharge tank is also fed into the chlorine water tank, next, the chlorine water is pumped to a dechlorination tower by a chlorine water pump and reacts with light salt brine from the outside in the dechlorination tower, the generated chlorine gas is extracted by a vacuum system and fed to a waste gas treatment step, and the chlorine gas in the chlorine water tank is communicated with a chlorine gas main pipe so that the chlorine gas in the chlorine water is recovered. The chlorine gas recovery process in the ionic membrane electrolyzing device has the advantages that an inserted pipe structure is adopted, the chlorine water tank and two water seals are combined into one chlorine water tank so that the investment cost of two chlorine water seals is reduced, and in addition, the equipment arrangement is also quite reasonable. The chlorine gas discharged by the chlorine water tank is recovered in the chlorine gas main pipe in stead of a waste chlorine main pipe, and therefore, the yield of the chlorine gas is increased, and also the consumption of caustic soda is reduced and the economic benefit is increased.
Description
Technical field
The present invention relates to chlorine recovery process in a kind of ion-membrane electrolysis device.
Background technology
The light salt brine of the chlorine water that dechlorination technology in former ion-membrane electrolysis device is chlorine water all in this device, the external world sends here and the discharge of oxymuriate decomposer is all collected in (about 20m3/h) in chlorine water groove.And the chlorine water of dechlorination vacuum pump and the chlorine water of chlorine water water cooler condensation are discharged to respectively two chlorine waters and are honored as a queen and enter chlorine water groove again in this device, the chlorine in chlorine water envelope and chlorine water groove enters useless chlorine house steward, needs two chlorine water-sealed equipments in this technique.Chlorine in chlorine water envelope and chlorine water groove is to enter into useless chlorine house steward, particularly discharges the acid brine of a large amount of high temperature from oxymuriate decomposer, due to reversible reaction (Cl+H O=H
++ Cl
-+ HClO) and high temperature, can cause to be dissolved in chlorine a large amount of in chlorine water groove and to overflow, be extracted into waste chlorine treatment process NaOH by titanium blower fan and absorb, not only waste product caustic soda, and reduced the output of chlorine.
Summary of the invention
For solving the problems of the technologies described above, the invention provides chlorine recovery process in a kind of ion-membrane electrolysis device.
Technical scheme of the present invention is:
Chlorine recovery process in a kind of ion-membrane electrolysis device, it is characterized in that, the chlorine water of vacuum system chlorine water water cooler and the outflow of vacuum pump outlet gas-liquid separator is directly entered to chlorine water groove with tubular stinger, chlorine water from oxymuriate decomposing system, chlorine hydrogen treatment process, anode exhaust groove also enters after chlorine water groove, be pumped into dechlorinator by chlorine water, in dechlorinator Yu from extraneous light salt brine, react, the chlorine of generation is pumped by vacuum system, delivers to off gas treatment operation; Chlorine in chlorine water groove communicates with chlorine house steward, reclaims the chlorine in chlorine water.
Tubular stinger in described chlorine water groove will be inserted into below liquid level.
The gas producing in described oxymuriate decomposing system enters off gas treatment operation.
Dechlorination salt solution in described dechlorinator is discharged outside battery limit (BL) by dechlorination brinepump.
Beneficial effect of the present invention:
In ion-membrane electrolysis device of the present invention, chlorine recovery process adopts inserting pipe-type structure, and chlorine water groove and two water seals can be merged into a chlorine water groove, reduces the investment cost of two chlorine water envelopes, and equipment layout is also more reasonable in addition.Enter chlorine house steward because the chlorine that chlorine water groove is discharged reclaims, do not enter useless chlorine house steward, not only increased chlorine output, but also reduced the consumption of caustic soda, improved economic benefit.
Brief description of the drawings
Fig. 1 is recovery process schematic diagram of the present invention,
In figure, 1 is chlorine water pump, and 2 is dechlorination brinepump.
Embodiment
As shown in Figure 1, chlorine recovery process in a kind of ion-membrane electrolysis device of the present invention, it is characterized in that, the chlorine water of vacuum system chlorine water water cooler and the outflow of vacuum pump outlet gas-liquid separator is directly entered to chlorine water groove with tubular stinger, chlorine water from oxymuriate decomposing system, chlorine hydrogen treatment process, anode exhaust groove also enters after chlorine water groove, be pumped into dechlorinator by chlorine water, in dechlorinator Yu from extraneous light salt brine, react, the chlorine generating is pumped by vacuum system, delivers to off gas treatment operation; Chlorine in chlorine water groove communicates with chlorine house steward, reclaims the chlorine in chlorine water.
Tubular stinger in described chlorine water groove will be inserted into below liquid level.
The gas producing in described oxymuriate decomposing system enters off gas treatment operation.
Dechlorination salt solution in described dechlorinator is discharged outside battery limit (BL) by dechlorination brinepump.
Claims (4)
1. chlorine recovery process in an ion-membrane electrolysis device, it is characterized in that, the chlorine water of vacuum system chlorine water water cooler and the outflow of vacuum pump outlet gas-liquid separator is directly entered to chlorine water groove with tubular stinger, chlorine water from oxymuriate decomposing system, chlorine hydrogen treatment process, anode exhaust groove also enters after chlorine water groove, be pumped into dechlorinator by chlorine water, in dechlorinator Yu from extraneous light salt brine, react, the chlorine of generation is pumped by vacuum system, delivers to off gas treatment operation; Chlorine in chlorine water groove communicates with chlorine house steward, reclaims the chlorine in chlorine water.
2. chlorine recovery process in a kind of ion-membrane electrolysis device according to claim 1, is characterized in that, the tubular stinger in described chlorine water groove will be inserted into below liquid level.
3. chlorine recovery process in a kind of ion-membrane electrolysis device according to claim 1, is characterized in that, the gas producing in described oxymuriate decomposing system enters off gas treatment operation.
4. chlorine recovery process in a kind of ion-membrane electrolysis device according to claim 1, is characterized in that, the dechlorination salt solution in described dechlorinator is discharged outside battery limit (BL) by dechlorination brinepump.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084569.0A CN103882472A (en) | 2014-03-07 | 2014-03-07 | Chlorine gas recovery process in ionic membrane electrolyzing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410084569.0A CN103882472A (en) | 2014-03-07 | 2014-03-07 | Chlorine gas recovery process in ionic membrane electrolyzing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103882472A true CN103882472A (en) | 2014-06-25 |
Family
ID=50951581
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410084569.0A Pending CN103882472A (en) | 2014-03-07 | 2014-03-07 | Chlorine gas recovery process in ionic membrane electrolyzing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103882472A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129733A (en) * | 2015-09-21 | 2015-12-09 | 宁波镇洋化工发展有限公司 | Chlorine gas production technology |
| CN111059467A (en) * | 2019-12-17 | 2020-04-24 | 攀枝花钢企欣宇化工有限公司 | Chlorate decomposition gas pressure protection device |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430297U (en) * | 2011-12-13 | 2012-09-12 | 宜宾天原集团股份有限公司 | Chlorine removal system with ionic membrane chlorine valve internal water seal |
| CN102923661A (en) * | 2012-11-29 | 2013-02-13 | 昊华宇航化工有限责任公司 | Anolyte clarifying tank waste chlorine gas recovery technology in ionic membrane caustic soda production |
-
2014
- 2014-03-07 CN CN201410084569.0A patent/CN103882472A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN202430297U (en) * | 2011-12-13 | 2012-09-12 | 宜宾天原集团股份有限公司 | Chlorine removal system with ionic membrane chlorine valve internal water seal |
| CN102923661A (en) * | 2012-11-29 | 2013-02-13 | 昊华宇航化工有限责任公司 | Anolyte clarifying tank waste chlorine gas recovery technology in ionic membrane caustic soda production |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105129733A (en) * | 2015-09-21 | 2015-12-09 | 宁波镇洋化工发展有限公司 | Chlorine gas production technology |
| CN105129733B (en) * | 2015-09-21 | 2018-06-22 | 宁波镇洋化工发展有限公司 | A kind of production technology of chlorine |
| CN111059467A (en) * | 2019-12-17 | 2020-04-24 | 攀枝花钢企欣宇化工有限公司 | Chlorate decomposition gas pressure protection device |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP3680364B1 (en) | Electrolytic device | |
| CN102241647B (en) | Preparation technology of propylene oxide | |
| CN102240497A (en) | Method and device for preparing methanoic acid from carbon dioxide recovered from flue gas by utilizing electric power at night | |
| KR101296213B1 (en) | Electrolysis apparatus with removal device for hydrogen | |
| CN104073839A (en) | Device and method for preparing high-purity tetrapropylammonium hydroxide and co-producing bromine through electrolysis | |
| CN204174289U (en) | There is the sodium chlorate electrolyzer of natural circulation function | |
| CN101570866B (en) | Method for removing ammonium from alkali production by full brine ion-exchange membrane electrolysis | |
| RU2011129649A (en) | METHOD FOR PRODUCING CHLORINE, CAUSTIC SODA AND HYDROGEN | |
| CN103882472A (en) | Chlorine gas recovery process in ionic membrane electrolyzing device | |
| Tu et al. | Reclaimed seawater discharge–desalination brine treatment and resource recovery system | |
| CN104310543B (en) | Electroosmose process is separated the method for complex state DTPA and hardness ions | |
| CN206592241U (en) | A kind of ocean salinity energy utilization system | |
| CN104060270A (en) | Circuit board etching and etching solution regeneration complete plant | |
| RU2009124835A (en) | METHOD FOR BORELINE LEACHING OF METALS FROM ORES, SCALLS AND TECHNOGENIC MINERAL FORMATIONS | |
| CN106976894A (en) | A kind of method that lithium chloride electricity conversion directly prepares lithium carbonate | |
| CN104630818B (en) | The method that the film continuous electrolysis of three Room two prepares high-purity benzyltrimethylammonium hydroxide | |
| CN106119853A (en) | Efficient zero-discharging give up acid-based copper etchant reclaim and regenerative system | |
| JP6727984B2 (en) | Electrolysis device | |
| US10550484B2 (en) | Method of generating organic compound and organic compound-generating system | |
| CN203612949U (en) | Hydrogen purification section system for sodium chlorate production | |
| CN205258621U (en) | Novel high -efficient hypochlorite generator | |
| CN203728751U (en) | Dimethyldichlorosilane continuously pressurized hydrolysis loop system | |
| CN109468656B (en) | Cation diaphragm electrolytic cell series device for removing carbon before electrolysis and application thereof | |
| CN103130294A (en) | Method of extracting dissolved acetylene gas from sodium hypochlorite waste water in vacuum in acetylene manufacturing process | |
| CN104086356A (en) | Device and process for separating difluoromethane and hydrogen chloride by dry method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20140625 |