CN108862198A - The automatic adjustment technique of bromine Reducing and absorption water processed - Google Patents
The automatic adjustment technique of bromine Reducing and absorption water processed Download PDFInfo
- Publication number
- CN108862198A CN108862198A CN201810959144.8A CN201810959144A CN108862198A CN 108862198 A CN108862198 A CN 108862198A CN 201810959144 A CN201810959144 A CN 201810959144A CN 108862198 A CN108862198 A CN 108862198A
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- CN
- China
- Prior art keywords
- reducing
- liquid
- bromine
- absorption water
- baume degrees
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/096—Bromine
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B7/00—Halogens; Halogen acids
- C01B7/09—Bromine; Hydrogen bromide
- C01B7/093—Hydrogen bromide
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of automatic adjustment techniques of bromine Reducing and absorption water processed, include the following steps：(I) bittern air blowout acid system mentions bromine；(II) produces the solution (completing liquid) of hydrobromic acid；(III) controls Reducing and absorption water flow and (IV) completes liquid Baume degrees on-line monitoring.There are under the conditions of corresponding relationship with its Baume degrees numerical value completing the brominated amount of liquid by the present invention, the analysis of Baume degrees on-line checking is carried out to the completion liquid after Reducing and absorption in bromine process Reducing and absorption device processed using on-line checking instrument, and it sets and completes liquid Baume degrees in system within the scope of specified value, signal transmission is carried out to analysis data by sensor, then Reducing and absorption water flow is controlled by PLC, guarantee to complete liquid Baume degrees in device in setting value, reach the brominated amount of completion liquid to stablize, the technique for realizing the automatic adjustment of bromine Reducing and absorption water processed.
Description
Technical field
Distillation completion fluid wave U.S. degree in bromine production, which is mentioned, the invention belongs to a kind of bittern air blowout acid system adjusts technique, tool
Body is related to a kind of automatic adjustment technique of bromine Reducing and absorption water processed.
Background technique
By after chlorine oxidation blowout parsing, the free bromine of generation uses bromide ion in existing air blowout bromine extraction from acid process brine
Sulfur dioxide gas and water carry out Reducing and absorption；The main component of generation is that the solution (completing liquid) of hydrobromic acid passes through control water
The brominated amount of Solution percentages is adjusted.It is mainly that phases-time control absorbs water flow progress Reducing and absorption in technique, then
Assay generates the brominated amount for the solution (completing liquid) that main component is hydrobromic acid.When being changed or given birth to using raw brine
When production. art is unstable, the main component produced is that solution (completing liquid) brominated amount of hydrobromic acid can change, by duty
It obtains a result after chemical examination work assay, then adjusts Reducing and absorption water flow again.This processing disadvantages, first is that manual operation increases
Worker labor intensity；Second is that the main component produced is that the solution of hydrobromic acid (is completed since adjustment absorbs water non-timely
Liquid) brominated amount easily fluctuates larger, and cause subsequent distillation technique unstable.
Summary of the invention
The present invention is proposed to overcome disadvantage existing in the prior art, and the purpose is to provide a kind of bromine reduction processed
Absorb the automatic adjustment technique of water.
The technical scheme is that：
A kind of automatic adjustment technique of bromine Reducing and absorption water processed, includes the following steps：
(I) bittern air blowout acid system mentions bromine
Brominated brine is acidified to pH value 3~4, is passed through chlorine thereto, free bromine is given birth to by chlorine oxidation in brominated brine
At molecular bromine, brominated molecular gas is formed by air blowout parsing；
(II) produces the solution (completing liquid) of hydrobromic acid
It is passed through sulfur dioxide gas in liquid after to step (I) blowout parsing, while being pumped into Reducing and absorption water, is generated main
Ingredient is the solution of hydrobromic acid, i.e. completion liquid, for distilling bromine processed；
(III) controls Reducing and absorption water flow
The flow of rate-determining steps (II) Reducing and absorption water guarantees to complete liquid Baume degrees in 16 ° of Be'~18 ° Be'；
(IV) completes liquid Baume degrees on-line monitoring
The flow of Reducing and absorption water in step (III) is monitored on-line, PLC system completes fluid wave beauty according to online
Degree monitoring numerical value is compared with setting value, and feedback signal automatically adjusts Reducing and absorption water flow, makes completion liquid Baume degrees
Within the scope of 16 ° of Be'~18 ° Be'.
The beneficial effects of the invention are as follows：
The present invention provides a kind of automatic adjustment techniques of bromine Reducing and absorption water processed, complete the brominated amount of liquid and its Baume degrees
Numerical value is there are under the conditions of corresponding relationship, using on-line checking instrument to complete after Reducing and absorption in bromine process Reducing and absorption device processed
The analysis of Baume degrees on-line checking is carried out at liquid, and sets and completes liquid Baume degrees in system within the scope of specified value, passes through sensor
Signal transmission is carried out to analysis data, Reducing and absorption water flow is then controlled by PLC, guarantees that completing liquid Baume degrees in device exists
In setting value, the technique for realizing the automatic adjustment of bromine Reducing and absorption water processed obtains the completion liquid of relatively fixed brominated amount, stablizes and steams
Process processing parameter is evaporated, the preferable technology controlling and process of distillation process is maintained, finally reduce chlorine, steam consumption and ensures product
Quality top grade.
Specific embodiment
It is carried out specifically below with reference to automatic adjustment technique of the embodiment to present invention bromine Reducing and absorption sulfur dioxide processed
It is bright：
Embodiment 1
A kind of automatic adjustment technique of bromine Reducing and absorption water processed, includes the following steps：
(I) bittern air blowout acid system mentions bromine
Brominated brine is acidified in 3~4 range of pH value, is then passed through chlorine thereto, free bromine quilt in brominated brine
Chlorine oxidation generates molecular bromine, forms brominated molecular gas by air blowout (parsing)；
(II) produces the solution (completing liquid) of hydrobromic acid
It is passed through sulfur dioxide gas in liquid after to step (I) blowout parsing, while being pumped into Reducing and absorption water, is generated main
Ingredient is the solution (completing liquid) of hydrobromic acid, for distilling bromine processed；
(III) controls Reducing and absorption water flow
The flow of rate-determining steps (II) Reducing and absorption water guarantees the solution (completing liquid) that the main component produced is hydrobromic acid
Baume degrees is in 16 ° of Be'~18 ° Be', and brominated amount is within the specified scope；
(IV) completes liquid Baume degrees on-line monitoring
The flow of Reducing and absorption water in step (III) is monitored on-line, PLC system completes fluid wave beauty according to online
Degree monitoring numerical value is compared with setting value, and feedback signal automatically adjusts Reducing and absorption water flow, makes completion liquid Baume degrees
Within the scope of 16 ° of Be'~18 ° Be', guarantee that technique is normal.
Reducing and absorption water flow is controlled, solution (completing liquid) Baume degrees that the main component produced is hydrobromic acid is kept to exist
Within the scope of 16 ° of Be'~18 ° Be'.
Pass through solution (completing liquid) the Baume degrees data and 16 ° of Be' of setting value that main component in monitoring system is hydrobromic acid
It is fed back after~18 ° of Be' comparisons, computer PLC automatically adjusts Reducing and absorption water flow, makes to complete liquid Baume degrees 16 ° of Be'~18 °
Within the scope of Be', guarantee that technique is normal.
The present invention provides a kind of automatic adjustment techniques of bromine Reducing and absorption water processed, complete the brominated amount of liquid and its Baume degrees
Numerical value is there are under the conditions of corresponding relationship, using on-line checking instrument to complete after Reducing and absorption in bromine process Reducing and absorption device processed
The analysis of Baume degrees on-line checking is carried out at liquid, and sets and completes liquid Baume degrees in system within the scope of specified value, passes through sensor
Signal transmission is carried out to analysis data, Reducing and absorption water flow is then controlled by PLC, guarantees that completing liquid Baume degrees in device exists
In setting value, the technique of the automatic adjustment of realization bromine Reducing and absorption water processed；Technique is applied to be mentioned in moderate bittern air blowout acid system
In bromine production, bromide ion is by after chlorine oxidation blowout parsing in brine for this technique, the free bromine of generation and water, sulfur dioxide gas
Body Reducing and absorption generates the solution (completing liquid) that main component is hydrobromic acid, and generating main component after Reducing and absorption is hydrobromic acid
Solution (complete liquid) Baume degrees maintain within the scope of fixed value, pass through the data and setting that liquid Baume degrees is completed in monitoring system
It is fed back after 16 ° of Be'~18 ° Be' comparisons of value, automatically adjusts Reducing and absorption water flow, restore sulfur dioxide gas and water
After absorption, main component is solution (completing liquid) Baume degrees of hydrobromic acid within the scope of 16 ° of Be'~18 ° Be'.It produces relatively solid
The completion liquid of fixed brominated amount, can stablize distillation process processing parameter, maintain the preferable technology controlling and process of distillation process, finally subtract
Lack chlorine, steam consumption and ensures product quality top grade.
Claims (1)
1. a kind of automatic adjustment technique of bromine Reducing and absorption water processed, it is characterised in that：Include the following steps：
(I) bittern air blowout acid system mentions bromine
Brominated brine is acidified to pH value 3~4, is passed through chlorine thereto, free bromine generates bromine by chlorine oxidation in brominated brine
Molecule forms brominated molecular gas by air blowout parsing；
(II), which is produced, completes liquid
It is passed through sulfur dioxide gas in liquid after to step (I) blowout parsing, while being pumped into Reducing and absorption water, generates main component
For the solution of hydrobromic acid, that is, liquid is completed, for distilling bromine processed；
(III) controls Reducing and absorption water flow
The flow of rate-determining steps (II) Reducing and absorption water guarantees to complete liquid Baume degrees in 16 ° of Be'~18 ° Be'；
(IV) completes liquid Baume degrees on-line monitoring
The flow of Reducing and absorption water in step (III) is monitored on-line, PLC system is supervised according to online liquid Baume degrees of completing
It surveys numerical value to compare with setting value, feedback signal automatically adjusts Reducing and absorption water flow, makes completion liquid Baume degrees at 16 °
Within the scope of the Be' of Be'~18 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959144.8A CN108862198A (en) | 2018-08-22 | 2018-08-22 | The automatic adjustment technique of bromine Reducing and absorption water processed |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810959144.8A CN108862198A (en) | 2018-08-22 | 2018-08-22 | The automatic adjustment technique of bromine Reducing and absorption water processed |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108862198A true CN108862198A (en) | 2018-11-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810959144.8A Withdrawn CN108862198A (en) | 2018-08-22 | 2018-08-22 | The automatic adjustment technique of bromine Reducing and absorption water processed |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1286507A1 (en) * | 1985-04-11 | 1987-01-30 | Казахский государственный университет им.С.М.Кирова | Method of producing liquid bromine |
| CN101054163A (en) * | 2007-03-28 | 2007-10-17 | 莱州诚源盐化有限公司 | Technique for secondary extracting bromine from waste liquid by extracting bromine once |
| CN103964382A (en) * | 2014-06-04 | 2014-08-06 | 唐山三友盐化有限公司 | Bittern bromine-blowing process |
| CN104609370A (en) * | 2013-11-01 | 2015-05-13 | 天津长芦海晶集团有限公司 | Technology for extracting bromine through air blow-out method |
| CN106390683A (en) * | 2016-08-30 | 2017-02-15 | 天津长芦海晶集团有限公司 | Automatic control and absorption technology of distillation produced bromine tail gas |
-
2018
- 2018-08-22 CN CN201810959144.8A patent/CN108862198A/en not_active Withdrawn
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU1286507A1 (en) * | 1985-04-11 | 1987-01-30 | Казахский государственный университет им.С.М.Кирова | Method of producing liquid bromine |
| CN101054163A (en) * | 2007-03-28 | 2007-10-17 | 莱州诚源盐化有限公司 | Technique for secondary extracting bromine from waste liquid by extracting bromine once |
| CN104609370A (en) * | 2013-11-01 | 2015-05-13 | 天津长芦海晶集团有限公司 | Technology for extracting bromine through air blow-out method |
| CN103964382A (en) * | 2014-06-04 | 2014-08-06 | 唐山三友盐化有限公司 | Bittern bromine-blowing process |
| CN106390683A (en) * | 2016-08-30 | 2017-02-15 | 天津长芦海晶集团有限公司 | Automatic control and absorption technology of distillation produced bromine tail gas |
Non-Patent Citations (1)
| Title |
|---|
| 刘立平: "浓海水提溴方法及存在问题的研究", 《盐业与化工》 * |
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Application publication date: 20181123 |
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