CN109179331A - A kind of production system of neutralisation production bromide - Google Patents
A kind of production system of neutralisation production bromide Download PDFInfo
- Publication number
- CN109179331A CN109179331A CN201811398821.XA CN201811398821A CN109179331A CN 109179331 A CN109179331 A CN 109179331A CN 201811398821 A CN201811398821 A CN 201811398821A CN 109179331 A CN109179331 A CN 109179331A
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- pipeline
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- production
- hydrobromic acid
- bromide
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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
- C01B9/00—General methods of preparing halides
- C01B9/04—Bromides
-
- 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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- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- General Health & Medical Sciences (AREA)
- Treating Waste Gases (AREA)
Abstract
The invention discloses a kind of production systems of neutralisation production bromide, belong to inorganic bromide production technical field, including mixing reactor, stripping tower, absorption tower, dehydration slot and the destilling tower being sequentially communicated by pipeline, one end of condenser is connected at the top of the destilling tower, the other end of the condenser is connected with hydrobromic acid holding vessel, the hydrobromic acid holding vessel is connected to bromination reaction kettle, the hydrobromic acid holding vessel is connected to the bromination reaction kettle by hydrobromic acid pipeline, and the bromination reaction kettle top is connected with alkali lye pipeline.The system can be by brine continuous production hydrobromic acid, and passes through the concentration of dehydration, distillation raising hydrobromic acid, complies with the requirement of metal bromide production.
Description
Technical field
The present invention relates to inorganic bromide production technical fields, and in particular to a kind of production system of neutralisation production bromide
System.
Background technique
Bromide refers generally to the brominated binary compound for -1 oxidation state, including metal bromide, nonmetallic bromide.Often
The metal bromide seen has: sodium bromide, manganous bromide, barium bromide, copper bromide, magnesium bromide, thallium bromide, mercuric bromide etc..Metal bromate
Compound it is widely used, such as: sodium bromide be used for photographic film processed, pharmaceutically be used as diuretics, sedative, have reinforcement cerebral cortex
The effect of process of inhibition is industrially used as bromating agent in synthetic perfume, medicine and dyestuff etc., also serves as chemical reagent；Potassium bromide
Make nerous sedative for medicine, photography is also used to engraving and lithographic printing to silver bromide paper processed, makes extraordinary soap, perform an analysis examination
Agent, the transmitting of light splitting and infrared ray.
The production technology of metal bromide is being continuously improved, and more common production method is neutralisation and reduction method at present,
Wherein neutralisation is that hydrobromic acid is added in reactor, is added slowly with stirring aqueous slkali and carries out neutralizing generation metal bromide
Then object is centrifuged, evaporates, crystallizing and be centrifugated again, metal bromide finished product is made.
Using the technique comparative maturity of neutralisation production bromide, but there are still some problems: hydrobromic acid is as manufacture
The base stock of various metal bromides, production efficiency is low, and since hydrobromic acid has strong volatilization at higher concentrations
Property, the hydrobromic acid that high concentration is made in high-volume is difficult in industrialized production, it is anti-that the hydrobromic acid of low concentration is unable to satisfy bromination
The production answered, it is necessary to try to improve the concentration of hydrogen bromide in hydrobromic acid.
Summary of the invention
In view of the above technical problems, the present invention provides a kind of production system of neutralisation production bromide, can be connected by brine
Continuous production hydrobromic acid, and pass through dehydration, distill the concentration for improving hydrobromic acid, comply with the requirement of metal bromide production.
To achieve the goals above, The technical solution adopted by the invention is as follows:
A kind of production system of neutralisation production bromide, including be sequentially communicated by pipeline mixing reactor, blowout
Tower, absorption tower, dehydration slot and destilling tower, are connected to one end of condenser at the top of the destilling tower, the condenser it is another
End is connected with hydrobromic acid holding vessel, and the hydrobromic acid holding vessel is connected to bromination reaction kettle, and the hydrobromic acid holding vessel passes through hydrogen
Bromic acid pipeline is connected to the bromination reaction kettle, and the bromination reaction kettle top is connected with alkali lye pipeline；
The mixing reactor is equipped with brine import, chlorine inlet, sour import and the outlet of acidification oxidation brine, the mixing
Acid spreader and chlorine gas distributor are equipped in reactor, the chlorine gas distributor is connected to the chlorine inlet, the acid spreader
With the sour inlet communication；
Several inlets are equipped with outside the stripping tower, the acidification oxidation brine outlet passes through described in the connection of several pipelines
The inlet of stripping tower, the stripping tower inside are equipped with the spray piping being connected to the inlet, set on the spray piping
There are several atomizers, the blowout tower bottom is equipped with air blower, is equipped with gas outlet at the top of the stripping tower；
Fresh water pipeline is equipped at the top of the absorption tower, the fresh water pipeline is equipped with several fresh water spray heads, the fresh water pipe
Road is equipped with booster, and sulfur dioxide import and air inlet are equipped at the top of the absorption tower, and the air inlet passes through pipeline and institute
The gas outlet connection of stripping tower is stated, the absorb the bottom of the tower is equipped with mixture export, and the mixture export is connected to by pipeline
To the dehydration slot, the dehydration slot is connected to the top of the destilling tower by mixed liquor pipeline.
Preferably, the mixed liquor pipeline is equipped with feed pump.
Preferably, it is equipped with blender in the dehydration slot and reaction kettle, the blender is driven by driving motor.
Preferably, flow control valve is equipped in the hydrobromic acid pipeline and the alkali lye pipeline.
Preferably, filler is equipped in the stripping tower and the absorption tower.
Preferably, the air blower is provided with variable-frequency governor.
Beneficial effects of the present invention are shown: sufficiently being reacted dehydrating agent with the water in hydrobromic acid by dehydration slot, then led to
The mode for crossing distillation separates hydrobromic acid, can get the hydrobromic acid of higher concentration；In mixing reactor, chlorine gas distributor with
Acid spreader can increase the contact area of material, improve acidification oxidation efficiency；Several atomizer mists are equipped in stripping tower
Change, take full advantage of the inner space of stripping tower, further improve bromine recovery rate, and then improves the production effect of hydrobromic acid
Rate；The fresh water pipeline on absorption tower is equipped with booster, generates high pressure fresh water, improves absorption efficiency；In stripping tower and absorption tower
Equipped with filler, liquid, which falls into filler, to form moisture film in filler layer surface, extend contact time, to improve the extraction effect of bromine
Rate, and then improve the production efficiency of hydrobromic acid；Blower is provided with variable-frequency governor, can be turned to blower by variable-frequency governor
Speed is reasonably adjusted, so that the flow velocity of wind speed and liquid in stripping tower reaches optimal balance point, improves the recovery rate of bromine.
Detailed description of the invention
Fig. 1 is the overall structure diagram for the production system that a kind of neutralisation of the present invention produces bromide.
In figure: 1- mixing reactor, 2- stripping tower, the absorption tower 3-, 4- are dehydrated slot, 5- destilling tower, 6- condenser, 7- hydrogen bromine
Sour holding vessel, 8- bromination reaction kettle, 9- alkali lye pipeline, the import of 10- brine, 11- acid spreader, 12- chlorine gas distributor, 13- spray
Shower pipe road, 14- atomizer, 15- air blower, 16- fresh water pipeline, 17- booster, 18- fresh water spray head, 19- air inlet, 20-
Sulfur dioxide import, 21- mixture export, 22- feed pump, 23- blender, 24- flow control valve, 25- filler.
Specific embodiment
In order to facilitate the understanding of those skilled in the art, the present invention will be further described below with reference to the drawings.
The production system of a kind of neutralisation production bromide as shown in Figure 1, including the mixing being sequentially communicated by pipeline
Reactor 1, stripping tower 2, absorption tower 3, dehydration slot 4 and destilling tower 5, the top of the destilling tower 5 are connected to the one of condenser 6
End, the other end of the condenser 6 are connected with hydrobromic acid holding vessel 7, and the hydrobromic acid holding vessel 7 is connected by hydrobromic acid pipeline
To bromination reaction kettle 8,8 top of bromination reaction kettle is connected with alkali lye pipeline 9；
The mixing reactor 1 is equipped with brine import 10, chlorine inlet, sour import and the outlet of acidification oxidation brine, described
Acid spreader 11 and chlorine gas distributor 12 are equipped in mixing reactor 1, the chlorine gas distributor 12 is connected to the chlorine inlet, institute
State acid spreader 11 and the sour inlet communication；
Several inlets are equipped with outside the stripping tower 2, the acidification oxidation brine outlet is connected to institute by several pipelines
The inlet of stripping tower 2 is stated, is equipped with the spray piping 13 being connected to the inlet, the spray tube inside the stripping tower 2
Road 13 is equipped with several atomizers 14, and 2 bottom of stripping tower is equipped with air blower 15, is equipped with outlet at the top of the stripping tower 2
Mouthful；
Fresh water pipeline 16 is equipped at the top of the absorption tower 3, the fresh water pipeline 16 is equipped with several fresh water spray heads 18, described
Fresh water pipeline 16 is equipped with booster 17, is equipped with sulfur dioxide import 20 and air inlet 19, the air inlet at the top of the absorption tower 3
Mouth 19 is connected to by pipeline with the gas outlet of the stripping tower 2, and 3 bottom of absorption tower is equipped with mixture export 21, described mixed
It closes liquid outlet 21 and the dehydration slot 4 is connected to by pipeline, the dehydration slot 4 is connected to the destilling tower by mixed liquor pipeline
5 top.
The mixed liquor pipeline is equipped with feed pump 22.Blender is equipped in the dehydration slot 4 and bromination reaction kettle 8
23, the blender 23 is driven by driving motor.Flow control valve is equipped in the hydrobromic acid pipeline and the alkali lye pipeline 9
24.Filler 25 is equipped in the stripping tower 2 and the absorption tower 3.The air blower 15 is provided with variable-frequency governor.
The concrete technology flow process of the system are as follows: brine enters mixing reactor 1, chlorine through brine pump, by brine import 10
Through chlorine feedway, mixing reactor 1 is entered by chlorine inlet, chlorine gas distributor 12, acid through sour import, acid spreader 11 into
Enter mixing reactor 1, in mixing reactor 1, bromide ion is oxidized to free bromine, obtains acidification oxidation brine, acidification oxidation halogen
Water comes out through mixing reactor 1, enters stripping tower 2 by several pipeline shunts, sprays mist through the spray equipment in stripping tower 2
Change, falls into 25 surface of filler and form liquid film, while air blower 15 is blown to stripping tower 2, brominated air is discharged through gas outlet, brominated
Air enters absorption tower 3, and sulfur dioxide and high pressure fresh water are passed through into absorption tower 3, and the bromine in brominated air is transformed into hydrobromic acid,
Solution containing hydrobromic acid enters dehydration slot 4, and dehydrating agent phosphorus pentoxide is added in dehydration slot 4, can be in the effect of blender 23
Under, it is sufficiently reacted with the water in solution, phosphorus pentoxide has strong water imbibition, reacts with water and generates phosphoric acid, utilizes
The property can reduce the moisture in hydrobromic acid by addition phosphorus pentoxide in the hydrobromic acid to low concentration, accordingly relatively
The mass percentage concentration for increasing hydrogen bromide, utilizes phosphoric acid and hydrobromic acid by destilling tower 5, condenser 6 subsequently into destilling tower 5
Biggish boiling-point difference between the two can be such that two kinds of substances are separated by distillation procedure, obtain the hydrogen bromine of higher concentration
Acid, condensed hydrobromic acid enter hydrobromic acid holding vessel 7.Hydrobromic acid holding vessel 7 enters bromination reaction kettle by hydrobromic acid pipeline
8, lye is added into bromination reaction kettle 8 by alkali lye pipeline 9, can control the use of hydrobromic acid and lye by flow control valve 24
Amount, hydrobromic acid, which carries out reacting in bromination reaction kettle 8 with lye, generates metal bromide.
Above content is only to structure example of the invention and explanation, affiliated those skilled in the art
It makes various modifications or additions to the described embodiments or is substituted in a similar manner, without departing from invention
Structure or beyond the scope defined by this claim, be within the scope of protection of the invention.
Claims (6)
1. a kind of production system of neutralisation production bromide, which is characterized in that the mixing including being sequentially communicated by pipeline is anti-
Device, stripping tower, absorption tower, dehydration slot and destilling tower are answered, one end of condenser, the condensation are connected at the top of the destilling tower
The other end of device is connected with hydrobromic acid holding vessel, and the hydrobromic acid holding vessel is connected to bromination reaction kettle, the hydrobromic acid storage
Tank is connected to the bromination reaction kettle by hydrobromic acid pipeline, and the bromination reaction kettle top is connected with alkali lye pipeline；
The mixing reactor is equipped with brine import, chlorine inlet, sour import and the outlet of acidification oxidation brine, the hybrid reaction
Acid spreader and chlorine gas distributor are equipped in device, the chlorine gas distributor is connected to the chlorine inlet, the acid spreader and institute
State sour inlet communication；
Several inlets are equipped with outside the stripping tower, the acidification oxidation brine outlet is connected to the blowout by several pipelines
The inlet of tower, the stripping tower inside is equipped with the spray piping being connected to the inlet, if the spray piping is equipped with
Dry nebulization spray head, the blowout tower bottom are equipped with air blower, are equipped with gas outlet at the top of the stripping tower；
It is equipped with fresh water pipeline at the top of the absorption tower, the fresh water pipeline is equipped with several fresh water spray heads, on the fresh water pipeline
Equipped with booster, sulfur dioxide import and air inlet are equipped at the top of the absorption tower, the air inlet is blown by pipeline with described
The gas outlet connection of tower, the absorb the bottom of the tower are equipped with mixture export out, and the mixture export is connected to institute by pipeline
Dehydration slot is stated, the dehydration slot is connected to the top of the destilling tower by mixed liquor pipeline.
2. a kind of production system of neutralisation production bromide according to claim 1, which is characterized in that the mixed liquor
Pipeline is equipped with feed pump.
3. a kind of production system of neutralisation production bromide according to claim 1, which is characterized in that the dehydration slot
With blender is equipped in reaction kettle, the blender is driven by driving motor.
4. a kind of production system of neutralisation production bromide according to claim 1, which is characterized in that the hydrobromic acid
Flow control valve is equipped in pipeline and the alkali lye pipeline.
5. a kind of production system of neutralisation production bromide according to claim 1, which is characterized in that the stripping tower
Filler is equipped with in the absorption tower.
6. a kind of production system of neutralisation production bromide according to claim 1, which is characterized in that the air blower
It is provided with variable-frequency governor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398821.XA CN109179331A (en) | 2018-11-22 | 2018-11-22 | A kind of production system of neutralisation production bromide |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811398821.XA CN109179331A (en) | 2018-11-22 | 2018-11-22 | A kind of production system of neutralisation production bromide |
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| Publication Number | Publication Date |
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| CN109179331A true CN109179331A (en) | 2019-01-11 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811398821.XA Pending CN109179331A (en) | 2018-11-22 | 2018-11-22 | A kind of production system of neutralisation production bromide |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994873A (en) * | 2020-10-27 | 2020-11-27 | 苏州金宏气体股份有限公司 | Method and device for producing high-purity hydrobromic acid by adopting industrial grade hydrogen bromide gas |
| RU2789134C1 (en) * | 2021-10-18 | 2023-01-30 | Общество с ограниченной ответственностью "ИРКУТСКАЯ НЕФТЯНАЯ КОМПАНИЯ" | Method for producing ammonium bromide |
| WO2023068963A1 (en) * | 2021-10-18 | 2023-04-27 | Общество с ограниченной ответственностью "ИРКУТСКАЯ НЕФТЯНАЯ КОМПАНИЯ" | Process for producing ammonium bromide |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786033A (en) * | 2012-08-31 | 2012-11-21 | 山东天一化学股份有限公司 | Method for enhancing concentration of hydrobromic acid |
| CN103395806A (en) * | 2013-07-05 | 2013-11-20 | 天津市化学试剂研究所 | Preparation method of sodium bromide guaranteed reagent |
| WO2015088728A1 (en) * | 2013-12-09 | 2015-06-18 | Chemtura Corporation | Method for making bromides |
| CN107777668A (en) * | 2017-10-11 | 2018-03-09 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of preparation method of demercuration bromide |
| CN108358168A (en) * | 2018-05-25 | 2018-08-03 | 滨州市盛凯盐化有限责任公司 | A kind of bromine high efficiency extraction system |
-
2018
- 2018-11-22 CN CN201811398821.XA patent/CN109179331A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102786033A (en) * | 2012-08-31 | 2012-11-21 | 山东天一化学股份有限公司 | Method for enhancing concentration of hydrobromic acid |
| CN103395806A (en) * | 2013-07-05 | 2013-11-20 | 天津市化学试剂研究所 | Preparation method of sodium bromide guaranteed reagent |
| WO2015088728A1 (en) * | 2013-12-09 | 2015-06-18 | Chemtura Corporation | Method for making bromides |
| CN107777668A (en) * | 2017-10-11 | 2018-03-09 | 国家海洋局天津海水淡化与综合利用研究所 | A kind of preparation method of demercuration bromide |
| CN108358168A (en) * | 2018-05-25 | 2018-08-03 | 滨州市盛凯盐化有限责任公司 | A kind of bromine high efficiency extraction system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111994873A (en) * | 2020-10-27 | 2020-11-27 | 苏州金宏气体股份有限公司 | Method and device for producing high-purity hydrobromic acid by adopting industrial grade hydrogen bromide gas |
| RU2789134C1 (en) * | 2021-10-18 | 2023-01-30 | Общество с ограниченной ответственностью "ИРКУТСКАЯ НЕФТЯНАЯ КОМПАНИЯ" | Method for producing ammonium bromide |
| WO2023068963A1 (en) * | 2021-10-18 | 2023-04-27 | Общество с ограниченной ответственностью "ИРКУТСКАЯ НЕФТЯНАЯ КОМПАНИЯ" | Process for producing ammonium bromide |
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Application publication date: 20190111 |
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