CN207786017U - A kind of solvent recovering system of hexabromocyclododecane production - Google Patents
A kind of solvent recovering system of hexabromocyclododecane production Download PDFInfo
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- CN207786017U CN207786017U CN201721863268.3U CN201721863268U CN207786017U CN 207786017 U CN207786017 U CN 207786017U CN 201721863268 U CN201721863268 U CN 201721863268U CN 207786017 U CN207786017 U CN 207786017U
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- dehydrating
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Abstract
The utility model discloses a kind of solvent recovering systems of hexabromocyclododecane production, belong to hexabromocyclododecane production technical field, bromination reaction kettle including sequential communication and crude product centrifuge, the crude product centrifuge is equipped with crude product outlet and solvent outlet, the solvent outlet sequential communication has distillation still, condensing unit, grease layering tank, dehydrating kettle and solvent tank, the grease layering tank is equipped with water phase outlet and oil phase exports, dehydrating kettle described in the oil phase outlet.Mixed solvent is carried out dehydrating by increasing dehydrating kettle, and adds the load that grease layering tank mitigates dehydrating kettle, dehydration rate is improved, reduces the generation of by-product, improve solvent recovery efficiency.
Description
Technical field
The utility model is related to hexabromocyclododecane production technical fields, and in particular to a kind of production of hexabromocyclododecane
Solvent recovering system.
Background technology
Hexabromocyclododecane (HBCD) is a kind of alicyclic additive flame retardant of high bromine content (up to 74.7%), it has
Have the advantages that low dosage, good flame retardation effect, on material physical property influence it is small, to heat and ultraviolet light stability it is good, be mainly used for
In EPS, polypropylene and other styrene resins.
Currently, most hexabromocyclododecane (HBCD) by 1,5,9- cyclodoecatriene (CDT) and bromine in isobutyl
The in the mixed solvent of alcohol and chloroform occurs bromination addition reaction and is made.The production of hexabromocyclododecane (HBCD) is mainly in reaction kettle
Interior progress is reacted and is centrifuged with centrifuge after hexabromocyclododecane solution is made, after centrifugation hexabromocyclododecane crude product into
Enter washing kettle to be washed, into bipyramid drying machine drying finished product obtained after washing, after centrifugation solvent enter distillation still into
Row is distilled to recover, and at present for the recycling of solvent, there are impure more, the dehydration energy consumptions of solvent greatly, organic efficiency is low asks
Topic.
Utility model content
In view of the above technical problems, the utility model provides a kind of solvent recovering system of hexabromocyclododecane production, leads to
It crosses increase dehydrating kettle to be carried out dehydrating mixed solvent, and adds the load that grease layering tank mitigates dehydrating kettle, improve de-
Water rate reduces the generation of by-product, improves solvent recovery efficiency.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
A kind of solvent recovering system of hexabromocyclododecane production, including the bromination reaction kettle of sequential communication and crude product centrifugation
Machine, the crude product centrifuge are equipped with crude product outlet and solvent outlet, and the solvent outlet sequential communication has distillation still, condensation dress
It sets, grease layering tank, dehydrating kettle and solvent tank, the grease layering tank are equipped with water phase outlet and oil phase outlet, the oil phase
Dehydrating kettle described in outlet.
Preferably, agitating device is equipped in the dehydrating kettle.
Preferably, temperature sensor is equipped in the dehydrating kettle.
Preferably, the outer wall of the dehydrating kettle is equipped with chuck, after thermal medium enters chuck, transfers thermal energy in dehydrating kettle
Portion realizes the heating to material, improves dehydrating effect.
Preferably, multiple flow-stopping plates are along the circumferential direction equipped on the inner wall of the dehydrating kettle.
The beneficial effects of the utility model are shown：Dehydrating kettle is added, dehydrating kettle water-bearing media is added appropriate water-soluble
After demulsifier under certain temperature and pressure condition, make its water-oil separating by the regular hour, improve dehydration efficiency, is dehydrated
It is time saving, laborsaving, it is easy to use；Grease layering tank is further added, dehydrating kettle load is mitigated by physical method, and reduce dehydration
Agent consumes；In dehydrating kettle internal flow whipping process, fluid generates collision with flow-stopping plate, to enhance mixing effect, carries
High dehydrating effect.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of the solvent recovering system of hexabromocyclododecane production of the utility model.
In figure：1- bromination reaction kettles, 2- crude products centrifuge, 3- solvent outlets, 4- distillation stills, 5- condensing units, 6- greases
Be layered tank, 7- dehydrating kettles, 8- solvent tanks, the outlet of 9- water phases, the outlet of 10- oil phases, 11- agitating devices, 12- temperature sensors,
13- chucks, 14- flow-stopping plates.
Specific implementation mode
In order to facilitate the understanding of those skilled in the art, the utility model will be further described below with reference to the accompanying drawings.
A kind of solvent recovering system of hexabromocyclododecane production as shown in Figure 1, includes the bromination reaction of sequential communication
Kettle 1 and crude product centrifuge 2, the crude product centrifuge 2 are equipped with crude product outlet and solvent outlet 3,3 sequential communication of the solvent outlet
There are distillation still 4, condensing unit 5, grease layering tank 6, dehydrating kettle 7 and solvent tank 8, the grease layering tank 6 to go out equipped with water phase
Mouth 9 and oil phase outlet 10, the oil phase outlet 10 are connected to the dehydrating kettle 7.
Agitating device 11 is equipped in the dehydrating kettle 7.Temperature sensor 12 is equipped in the dehydrating kettle 7.The dehydrating kettle 7
Outer wall be equipped with chuck 13.Multiple flow-stopping plates 14 are along the circumferential direction equipped on the inner wall of the dehydrating kettle 7.
Hexabromocyclododecane is generated by bromination reaction in bromination reaction kettle 1, hexabromocyclododecane solution is in crude product later
It is centrifuged inside centrifuge 2, solvent after centrifugation is distilled through solvent outlet 3 into distillation still 4, and solvent is in distillation still
Become gas under 4 distillation and enter condensing unit 5, grease is entered after condensation and is layered tank 6, water-oil separating, water phase passes through water
Mutually 9 discharge of outlet, oil phase are existed by dehydrating agent, the water-soluble demulsifier that oil phase outlet 10 enters in dehydrating kettle 7, with dehydrating kettle 7
It is carried out dehydrating under the conditions of certain temperature, agitating device 11 and flow-stopping plate 14 between fluid so that be sufficiently mixed, by folder
It is passed through thermal medium in set 13, is transferred thermal energy to inside dehydrating kettle 7, realizes the heating to material, improves dehydrating effect, final oil
Water detaches, and isolated solvent enters the collection of solvent tank 8.
Above content is only the structure example and explanation to the utility model, the technologies of affiliated the art
Personnel make various modifications or additions to the described embodiments or substitute by a similar method, without departing from
The structure of utility model or beyond the scope defined by this claim, all should belong to the protection range of the utility model.
Claims (5)
1. a kind of solvent recovering system of hexabromocyclododecane production, including the bromination reaction kettle of sequential communication and crude product centrifugation
Machine, the crude product centrifuge are equipped with crude product outlet and solvent outlet, which is characterized in that the solvent outlet sequential communication has distillation
Kettle, condensing unit, grease layering tank, dehydrating kettle and solvent tank, the grease layering tank are equipped with water phase outlet and oil phase outlet,
Dehydrating kettle described in the oil phase outlet.
2. a kind of solvent recovering system of hexabromocyclododecane production according to claim 1, which is characterized in that described de-
Agitating device is equipped in water kettle.
3. a kind of solvent recovering system of hexabromocyclododecane production according to claim 1, which is characterized in that described de-
Temperature sensor is equipped in water kettle.
4. a kind of solvent recovering system of hexabromocyclododecane production according to claim 1, which is characterized in that described de-
The outer wall of water kettle is equipped with chuck.
5. a kind of solvent recovering system of hexabromocyclododecane production according to claim 1, which is characterized in that described de-
Multiple flow-stopping plates are along the circumferential direction equipped on the inner wall of water kettle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863268.3U CN207786017U (en) | 2017-12-27 | 2017-12-27 | A kind of solvent recovering system of hexabromocyclododecane production |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863268.3U CN207786017U (en) | 2017-12-27 | 2017-12-27 | A kind of solvent recovering system of hexabromocyclododecane production |
Publications (1)
| Publication Number | Publication Date |
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| CN207786017U true CN207786017U (en) | 2018-08-31 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721863268.3U Active CN207786017U (en) | 2017-12-27 | 2017-12-27 | A kind of solvent recovering system of hexabromocyclododecane production |
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| CN (1) | CN207786017U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675572A (en) * | 2020-11-10 | 2021-04-20 | 山东东信阻燃科技有限公司 | Bromine recycling device in production and preparation of decabromodiphenylethane |
-
2017
- 2017-12-27 CN CN201721863268.3U patent/CN207786017U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112675572A (en) * | 2020-11-10 | 2021-04-20 | 山东东信阻燃科技有限公司 | Bromine recycling device in production and preparation of decabromodiphenylethane |
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