CN207786594U - A kind of hexabromocyclododecane process units - Google Patents
A kind of hexabromocyclododecane process units Download PDFInfo
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- CN207786594U CN207786594U CN201721863286.1U CN201721863286U CN207786594U CN 207786594 U CN207786594 U CN 207786594U CN 201721863286 U CN201721863286 U CN 201721863286U CN 207786594 U CN207786594 U CN 207786594U
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- Prior art keywords
- kettle
- hexabromocyclododecane
- process units
- solvent
- reaction kettle
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Abstract
The utility model discloses a kind of hexabromocyclododecane process units, belong to technical field of chemical production equipment, including reaction kettle and premix kettle, the reaction kettle is connected to premix kettle by solvent conduit, the solvent conduit is equipped with flow valve and feed pump, multiple raw material measuring tanks are communicated with by feed pipe at the top of the reaction kettle, the feed pipe is equipped with switch valve and flow control valve.Mixed solvent is prepared in advance by premixing kettle, improves production efficiency, and bromination reaction is uniform, is effectively improved product quality and yield.
Description
Technical field
The utility model is related to technical field of chemical production equipment, and in particular to a kind of hexabromocyclododecane process units.
Background technology
Hexabromocyclododecane (abbreviation HBCD) is mainly molten by 1,5,9- cyclodoecatrienes (CDT), bromine and mixing at present
Bromination addition reaction occurs in reaction kettle and is made for agent (isobutanol and chloroform), is typically all first to add solvent during the reaction
Entering in reaction kettle, waits for that solvent adds other raw materials such as bromine again after mixing, solvent addition mixed process can expend the time, from
And production efficiency is caused to reduce.If in addition, bromination reaction during mix it is uneven, be not thorough the generation that can lead to by-product,
It has a significant effect to the quality and yield of product, traditional reaction kettle agitating mode is single, and mixing effect is bad.
Utility model content
In view of the above technical problems, the utility model provides a kind of hexabromocyclododecane process units, will by premixing kettle
Mixed solvent prepares in advance, improves production efficiency, and bromination reaction is uniform, is effectively improved product quality and yield.
To achieve the goals above, the technical solution adopted in the utility model is as follows：
A kind of hexabromocyclododecane process units, including reaction kettle and premix kettle, the reaction kettle pass through molten with premix kettle
Agent pipeline is connected to, and the solvent conduit is equipped with flow valve and feed pump, is communicated with by feed pipe at the top of the reaction kettle
Multiple raw material measuring tanks, the feed pipe are equipped with switch valve and flow control valve.
Preferably, there are two the raw material measuring tank is set, respectively bromine measuring tank and cyclodoecatriene measuring tank.
Preferably, the premix kettle is that solvent premixes kettle, and the solvent is the mixed solvent of isobutanol and chloroform.
Preferably, agitating device is equipped in the premix kettle.
Preferably, agitating shaft is equipped in the reaction kettle, the agitating shaft is driven by driving motor, the bottom of the agitating shaft
End is equipped with U-shaped agitating paddle, and the periphery of the agitating shaft is equipped with helical blade.
Preferably, multiple flow-stopping plates are along the circumferential direction equipped on the inner wall of the reaction kettle.
The beneficial effects of the utility model are shown：Required solvent is prepared in advance by premixing kettle, in bromination reaction
When can directly add prepared solvent, reduce and prepare the time that solvent expends, improve production efficiency；Using helical blade and U
The hybrid-type agitating mode of shape agitating paddle improves mixed effect, and fluid and baffle in whipping process inside reaction kettle
Plate generates collision, to enhance mixing effect；It can control the dripping quantity of raw material, control reaction speed by controlling flow control valve
Degree.
Description of the drawings
Fig. 1 is a kind of overall structure diagram of hexabromocyclododecane process units of the utility model.
In figure：1- reaction kettles, 2- premixs kettle, 3- solvent conduits, 4- flow valves, 5- feed pumps, 6- feed pipes, 7- bromines
Measuring tank, 8- cyclodoecatrienes measuring tank, 9- switch valves, 10- flow control valves, 11- agitating devices, 12- agitating shafts, 13-U
Shape agitating paddle, 14- helical blades, 15- 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 hexabromocyclododecane process units as shown in Figure 1, including reaction kettle 1 and premix kettle 2, the reaction kettle 1
It is connected to by solvent conduit 3 with premix kettle 2, the solvent conduit 3 is equipped with flow valve 4 and feed pump 5, and the reaction kettle 1 pushes up
Portion is communicated with multiple raw material measuring tanks by feed pipe 6, and the feed pipe 6 is equipped with switch valve 9 and flow control valve 10.
There are two the raw material measuring tank is set, respectively bromine measuring tank 7 and cyclodoecatriene measuring tank 8.It is described pre-
Mixed kettle 2 is that solvent premixes kettle, and the solvent is the mixed solvent of isobutanol and chloroform.Agitating device is equipped in the premix kettle 2.
Agitating shaft 12 is equipped in the reaction kettle 1, the agitating shaft 12 is driven by driving motor, and the bottom end of the agitating shaft 12 is equipped with U
The periphery of shape agitating paddle 13, the agitating shaft 12 is equipped with helical blade 14.It is along the circumferential direction equipped on the inner wall of the reaction kettle 1
Multiple flow-stopping plates 15.
Specific operation process：Before bromination reaction starts, solvent isobutanol and chloroform are carried out in advance in premixing kettle 2 first
It first prepares, when bromination reaction starts, opens feed pump 5 and flow valve 4, mixed solvent enter in reaction kettle 1.By driving electricity
Machine drives agitating shaft 12, the switch valve 9 on feed pipe 6 is opened, in bromine measuring tank 7 and cyclodoecatriene measuring tank 8
Raw material enters in reaction kettle 1, starts to react by stirring, and controls bromine and cyclodoecatriene by flow control valve 10
Dripping quantity controls reaction speed.
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 (6)
1. a kind of hexabromocyclododecane process units, which is characterized in that including reaction kettle and premix kettle, the reaction kettle and premix
Kettle is connected to by solvent conduit, and the solvent conduit is equipped with flow valve and feed pump, passes through feed pipe at the top of the reaction kettle
Road is communicated with multiple raw material measuring tanks, and the feed pipe is equipped with switch valve and flow control valve.
2. a kind of hexabromocyclododecane process units according to claim 1, which is characterized in that the raw material measuring tank is set
There are two, respectively bromine measuring tank and cyclodoecatriene measuring tank.
3. a kind of hexabromocyclododecane process units according to claim 1, which is characterized in that the premix kettle is solvent
Kettle is premixed, the solvent is the mixed solvent of isobutanol and chloroform.
4. a kind of hexabromocyclododecane process units according to claim 1, which is characterized in that be equipped in the premix kettle
Agitating device.
5. a kind of hexabromocyclododecane process units according to claim 1, which is characterized in that be equipped in the reaction kettle
Agitating shaft, the agitating shaft are driven by driving motor, and the bottom end of the agitating shaft is equipped with U-shaped agitating paddle, the agitating shaft it is outer
Week is equipped with helical blade.
6. a kind of hexabromocyclododecane process units according to claim 1, which is characterized in that the inner wall of the reaction kettle
On along the circumferential direction be equipped with multiple flow-stopping plates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863286.1U CN207786594U (en) | 2017-12-27 | 2017-12-27 | A kind of hexabromocyclododecane process units |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721863286.1U CN207786594U (en) | 2017-12-27 | 2017-12-27 | A kind of hexabromocyclododecane process units |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207786594U true CN207786594U (en) | 2018-08-31 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721863286.1U Active CN207786594U (en) | 2017-12-27 | 2017-12-27 | A kind of hexabromocyclododecane process units |
Country Status (1)
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| CN (1) | CN207786594U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750889A (en) * | 2021-09-10 | 2021-12-07 | 清远瑞华助剂有限公司 | Textile auxiliary production system |
| CN114210292A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Preparation method and equipment of electronic-grade hexamethyldisilazane |
-
2017
- 2017-12-27 CN CN201721863286.1U patent/CN207786594U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113750889A (en) * | 2021-09-10 | 2021-12-07 | 清远瑞华助剂有限公司 | Textile auxiliary production system |
| CN114210292A (en) * | 2021-12-08 | 2022-03-22 | 浙江胡涂硅有限公司 | Preparation method and equipment of electronic-grade hexamethyldisilazane |
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