CN214570735U - High-efficient recovery unit of bromine - Google Patents
High-efficient recovery unit of bromine Download PDFInfo
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- CN214570735U CN214570735U CN202023189427.0U CN202023189427U CN214570735U CN 214570735 U CN214570735 U CN 214570735U CN 202023189427 U CN202023189427 U CN 202023189427U CN 214570735 U CN214570735 U CN 214570735U
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- bromine
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- knockout
- liquid separator
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Abstract
The utility model discloses a high-efficient recovery unit of bromine belongs to the high-efficient recycle technical field of bromine, including the bromination cauldron, there is gaseous absorption jar bromination cauldron at bromination cauldron top through gas piping connection, bromination cauldron bottom is connected with solid-liquid separator through arranging the material pipeline, the solid-liquid separator top has the oxidation tank through waste liquid pipe connection, the top of oxidation tank has the hydrogen peroxide jar through oxidation pipe connection, gaseous absorption tank bottom through the recovery tube with the oxidation tank is connected, the oxidation tank bottom has the knockout through pipe connection, the knockout top is equipped with the water outlet, the knockout bottom is equipped with the bromine export, the knockout passes through the bromine exit linkage has the bromine storage tank. The device realizes the recovery of bromine and avoids bromine waste and environmental pollution.
Description
Technical Field
The utility model relates to a high-efficient recycle technical field of bromine, concretely relates to high-efficient recovery unit of bromine.
Background
Bromine is an important chemical raw material, is a main branch of the marine chemical industry, derives a variety of chemical products such as inorganic bromide, bromate, bromine-containing organic compounds and the like on the basis of bromine, and meanwhile, a brominated flame retardant product seriously depends on bromine and cannot be replaced. Bromine as an indispensable chemical raw material is gradually permeating into various industries and fields along with the development of industrial science and technology in China.
In the production process of the brominated flame retardant, excessive bromine is often needed to participate in the reaction, bromine is very volatile liquid, a part of bromine cannot be fully reacted in the production process, and the bromine is discharged as a byproduct in a hydrogen bromide mode, so that the environment is polluted and the bromine is wasted. In addition, after the reaction is finished, part of unreacted bromine is discharged along with waste liquid, and the waste of bromine and environmental pollution are caused.
SUMMERY OF THE UTILITY MODEL
To the technical problem, the utility model provides a high-efficient recovery unit of bromine can get into the gas absorption jar through the hydrogen bromide waste gas that produces among the bromination reaction process and absorb, obtain the aqueous solution of hydrogen bromide to in getting into the oxidation tank jointly with the bromine-containing waste liquid of reaction end back exhaust, bromide ion and hydrogen peroxide solution take place the reaction and obtain bromine in the oxidation tank, and get into the knockout in the separation of standing obtains bromine, realized the recovery of bromine, avoided the bromine extravagant and environmental pollution.
In order to realize the purpose, the utility model discloses a technical scheme as follows:
the utility model provides a high-efficient recovery unit of bromine, includes the bromination cauldron, there is gaseous absorption tank bromination cauldron at the cauldron top through gas piping connection, bromination cauldron bottom is connected with solid-liquid separation ware through arranging the material pipeline, the solid-liquid separation ware top has the oxidation tank through waste liquid pipe connection, the top of oxidation tank has the hydrogen peroxide jar through oxidation pipe connection, gaseous absorption tank bottom through the recovery pipeline with the oxidation tank is connected, the oxidation tank bottom has the knockout through the pipe connection, the knockout top is equipped with the water export, the knockout bottom is equipped with the bromine export, the knockout passes through bromine exit linkage has the bromine storage tank.
Preferably, the inside of the gas absorption tank is aqueous solution.
Preferably, a stirring device is arranged in the oxidation tank, the stirring device comprises a stirring shaft arranged in the oxidation tank, the stirring shaft is driven by a motor outside the oxidation tank, and stirring blades are arranged on the stirring shaft.
Preferably, the liquid separator comprises a shell, and the outer wall of the shell is provided with a cooling jacket.
Preferably, a dryer is arranged between the liquid separator and the bromine storage tank.
The utility model has the advantages of that:
1. hydrogen bromide waste gas generated in the bromination reaction process can enter a gas absorption tank for absorption to obtain a hydrogen bromide aqueous solution, the hydrogen bromide aqueous solution and bromine-containing waste liquid discharged after the reaction are jointly entered into an oxidation tank, bromide ions and hydrogen peroxide react in the oxidation tank to obtain bromine, the bromine enters a liquid separator for standing and separation, the upper aqueous solution can be discharged through a water outlet, the lower bromine can be discharged through a bromine outlet and enters a bromine storage tank for collection, the recovery of the bromine is realized, and the bromine waste and the environmental pollution are avoided;
2. the liquid separator is provided with a cooling jacket, so that the temperature of the liquid separating system can be reduced, the solubility of bromine in water is reduced, and the effective separation of the bromine and the water is facilitated;
3. the dryer is arranged, so that drying and dewatering treatment can be further performed on the bromine obtained by separation, and the water content in the bromine is reduced;
4. the setting of agitating unit can make the oxidation reaction in the oxidation tank fully, go on fast.
Drawings
Fig. 1 is a schematic view of the three-dimensional structure of the high-efficiency bromine recovery device of the present invention.
In the figure: 1-bromination kettle, 2-gas absorption tank, 3-solid-liquid separator, 4-oxidation tank, 5-hydrogen peroxide tank, 6-knockout, 7-dryer, 8-bromine storage tank, 9-stirring device, 10-cooling jacket.
Detailed Description
In order to facilitate understanding for those skilled in the art, the present invention will be further described with reference to the accompanying drawings.
As shown in fig. 1, a high-efficient recovery unit of bromine, including bromination cauldron 1, bromination cauldron 1 top has gaseous absorption tank 2 through gas piping connection, bromination cauldron 1 bottom has solid-liquid separator 3 through arranging the material pipe connection, there is oxidation tank 4 at the 3 tops of solid-liquid separator through waste liquid pipe connection, there is hydrogen peroxide solution jar 5 at the top of oxidation tank 4 through oxidation pipe connection, gaseous absorption tank 2 bottom through the recovery pipeline with oxidation tank 4 connects, there is knockout 6 bottom oxidation tank 4 through pipe connection, 6 tops of knockout are equipped with the water export, 6 bottoms of knockout are equipped with the bromine export, knockout 6 passes through bromine exit linkage has bromine storage tank 8.
The inside of the gas absorption tank 2 is aqueous solution. Be equipped with agitating unit 9 in the oxidation tank 4, agitating unit 9 is including locating the (mixing) shaft in the oxidation tank 4, the (mixing) shaft by the outside motor drive of oxidation tank 4, be equipped with the stirring leaf on the (mixing) shaft. The liquid separator 6 comprises a shell, and a cooling jacket 10 is arranged on the outer wall of the shell. A dryer 7 is arranged between the liquid separator 6 and the bromine storage tank 8.
In the process of carrying out bromination reaction in the bromination kettle 1, the generated hydrogen bromide waste gas can enter the gas absorption tank 2 for absorption, and the aqueous solution of the hydrogen bromide is obtained. After the reaction is finished, firstly, the discharged feed liquid is subjected to solid-liquid separation in a solid-liquid separator 3, a solid layer is a product obtained by the reaction, a liquid layer is waste liquid containing bromide ions, the waste liquid and the hydrogen bromide aqueous solution are together introduced into an oxidation tank 4, the bromide ions and hydrogen peroxide react in the oxidation tank 4 to obtain bromine, the bromine enters a liquid separator 6 for standing separation, the upper aqueous solution can be discharged through a water outlet, and the lower bromine can be discharged through a bromine outlet. The discharged bromine can be dried and dewatered by a dryer 7 to reduce the water content in the bromine, and then the bromine enters a bromine storage tank 8 to be collected, so that the bromine is recovered. Wherein, the liquid separator 6 is provided with a cooling jacket 10 which can reduce the temperature of the liquid separating system, thereby reducing the solubility of bromine in water and facilitating the effective separation of the bromine and the water.
The foregoing is merely exemplary and illustrative of the structure of the invention, and various modifications, additions and substitutions as described in the detailed description may be made by those skilled in the art without departing from the structure or exceeding the scope of the invention as defined in the claims.
Claims (5)
1. The utility model provides a high-efficient recovery unit of bromine, a serial communication port, including the bromination cauldron, there is gaseous absorption tank bromination cauldron at the cauldron top through gas piping connection, bromination cauldron bottom is connected with solid-liquid separator through arranging the material pipeline, the solid-liquid separator top has the oxidation jar through waste liquid pipe connection, the top of oxidation jar has the hydrogen peroxide jar through oxidation pipe connection, gaseous absorption tank bottom through the recovery pipeline with the oxidation jar is connected, the oxidation tank bottom has the knockout through the pipe connection, the knockout top is equipped with the water outlet, the knockout bottom is equipped with the bromine export, the knockout passes through bromine exit linkage has the bromine storage tank.
2. The efficient bromine recovery device of claim 1 wherein the inside of the gas absorption tank is an aqueous solution.
3. The efficient bromine recovery device according to claim 1, wherein a stirring device is arranged in the oxidation tank, the stirring device comprises a stirring shaft arranged in the oxidation tank, the stirring shaft is driven by a motor outside the oxidation tank, and stirring blades are arranged on the stirring shaft.
4. The efficient bromine recovery device of claim 1, wherein the liquid separator comprises a housing, and the outer wall of the housing is provided with a cooling jacket.
5. The efficient bromine recovery device of claim 1, wherein a dryer is arranged between the liquid separator and the bromine storage tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023189427.0U CN214570735U (en) | 2020-12-26 | 2020-12-26 | High-efficient recovery unit of bromine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023189427.0U CN214570735U (en) | 2020-12-26 | 2020-12-26 | High-efficient recovery unit of bromine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214570735U true CN214570735U (en) | 2021-11-02 |
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ID=78334469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023189427.0U Active CN214570735U (en) | 2020-12-26 | 2020-12-26 | High-efficient recovery unit of bromine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214570735U (en) |
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2020
- 2020-12-26 CN CN202023189427.0U patent/CN214570735U/en active Active
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