CN206262143U - A kind of 4-propyl bromide crystallizer - Google Patents
A kind of 4-propyl bromide crystallizer Download PDFInfo
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- CN206262143U CN206262143U CN201621288547.7U CN201621288547U CN206262143U CN 206262143 U CN206262143 U CN 206262143U CN 201621288547 U CN201621288547 U CN 201621288547U CN 206262143 U CN206262143 U CN 206262143U
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- interior kettle
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Abstract
The utility model discloses a kind of 4-propyl bromide crystallizer, including：Interior kettle, external kettle body, collecting tank and material pump；The collecting tank is fixedly connected on interior autoclave body bottom；Some deflectors are set in interior kettle, the deflector is divided into upper strata deflector and lower floor's deflector, the upper strata deflector is fixedly welded on the front and rear inwall of interior kettle, it includes being fixed together and in two pieces of flat boards of " inverted v-shaped ", lower floor's deflector includes being fixed together and in two pieces of flat boards of " V-shaped ", two pieces of flat boards are respectively welded on the left and right inwall for being fixed on interior kettle, and leave gap between two pieces of flat boards；Interior autoclave body bottom is obliquely installed screen pack, screen pack bottom position is located on interior kettle body sidewall and sets manhole.The utility model enables solution uniformly to catch a cold cooling, and it is higher that 4-propyl bromide separates out crystal efficiency, and improves the production preparation efficiency of 4-propyl bromide.
Description
Technical field
The utility model is related to 4-propyl bromide production equipment field, and specifically a kind of 4-propyl bromide crystallization sets
It is standby.
Background technology
4-propyl bromide is a kind of common chemical products of in the market, and molecular formula C12H28BrN is a kind of colourless or white
Color is crystallized, and has hygroscopy, soluble in water, is also a kind of ion-pairing agent, is that good positive release phase switchs to catalyst, extensively should
For the preparation of petrochemical industry catalyst.The preparation flow of 4-propyl bromide is broadly divided into synthesis, rough and refined etc., rough
4-propyl bromide crude product is obtained after technique, then to adding ethyl acetate in crude product, and insulation is heated at reflux, then cooled down
Crystallization, obtains refined 4-propyl bromide crystal.
Crystallisation by cooling process generally occurs in crystallization kettle, and existing crystallization kettle has following main disadvantage in use
End：1st, hot solution inhomogeneous cooling, because the cooling binding medium of crystallization kettle is based on cooling water, and cooling water can only be with crystallization kettle
Inwall is contacted, and core cooling is slow, the problem of temperature distributing disproportionation to cause 4-propyl bromide in kettle to occur；2 still due to cooling
Uneven problem, causes solution each point in kettle to separate out crystal speed difference, after part solution separates out crystal completely, but still there is part
Solution is not separated out completely, it is therefore desirable to extend crystallization time, will otherwise produce waste, influences production efficiency；3rd, in order to improve
Crystal eduction rate, it will usually set up rabbling mechanism in crystallization kettle and be stirred to solution, but stirring will also result in the crystalline substance of precipitation
Body is difficult precipitation, very difficult when crystal is collected.
Utility model content
The purpose of this utility model is to provide a kind of 4-propyl bromide crystallizer, with solving above-mentioned background technology
The problem of proposition.
To achieve the above object, the utility model provides following technical scheme：
A kind of 4-propyl bromide crystallizer, including：Interior kettle, external kettle body, collecting tank and material pump, the external kettle body
Interlayer is formed between interior kettle；The collecting tank is fixedly connected on interior autoclave body bottom, sump bottom connection three-way pipe, threeway
Pipe connects back to expects pipe, and the feed back pipe is connected to interior kettle top, and also pacifies fill pump on feed back pipe；Set in interior kettle some
Deflector, the deflector is divided into upper strata deflector and lower floor's deflector, and the upper strata deflector is fixedly welded on interior kettle
On front and rear inwall, it includes being fixed together and in two pieces of flat boards of " inverted v-shaped ", and two pieces of flat boards and interior kettle a left side
Gap is left between right inwall, lower floor's deflector includes being fixed together and in two pieces of flat boards of " V-shaped ", two pieces
Flat board is respectively welded on the left and right inwall for being fixed on interior kettle, and leaves gap between two pieces of flat boards；Interior autoclave body bottom is inclined and set
Screen pack is put, screen pack bottom position is located on interior kettle body sidewall manhole is set.
As further program of the utility model：The three-way pipe is also connected with probe tube, and is installed on the probe tube
One stop valve.
As further program of the utility model：The interlayer bottom connects water inlet, top connection delivery port.
As further program of the utility model：The second stop valve is installed on the feed back pipe.
Compared with prior art, the beneficial effects of the utility model are：The utility model is utilized expects pump to tetrapropyl bromination
Ammonium salt solution is circulated crystallization, and deflector is set in crystallization kettle, solution is uniformly caught a cold cooling, 4-propyl bromide
Separate out crystal efficiency higher, and improve the production preparation efficiency of 4-propyl bromide.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model.
Specific embodiment
Below in conjunction with the accompanying drawing in the utility model embodiment, the technical scheme in the utility model embodiment is carried out
Clearly and completely describe, it is clear that described embodiment is only a part of embodiment of the utility model, rather than whole
Embodiment.Based on the embodiment in the utility model, those of ordinary skill in the art are not under the premise of creative work is made
The every other embodiment for being obtained, belongs to the scope of the utility model protection.
Fig. 1 is referred to, in the utility model embodiment, a kind of 4-propyl bromide crystallizer, including：It is interior kettle 2, outer
Kettle 1, collecting tank 11 and material pump 9, form interlayer 102 between the external kettle body 1 and interior kettle 2, can load a certain amount of cold
But water；The collecting tank 11 is fixedly connected on the bottom of interior kettle 2, and the bottom of collecting tank 11 connection three-way pipe 7, three-way pipe 7 is connected back to
Expects pipe 10, the feed back pipe 10 is connected to the top of interior kettle 2, and also pacifies fill pump 9 on feed back pipe 10；If being set in interior kettle 2
Dry deflector, the deflector is divided into upper strata deflector 14 and lower floor's deflector 13, and the upper strata deflector 14 is fixedly welded on
On the front and rear inwall of interior kettle 2, it includes being fixed together and in two pieces of flat boards of " inverted v-shaped ", and two pieces of flat boards with
Gap is left between the left and right inwall of interior kettle 2, lower floor's deflector 13 includes being fixed together and in " V-shaped "
Two pieces of flat boards, two pieces of flat boards are respectively welded on the left and right inwall for being fixed on interior kettle 2, and leave gap between two pieces of flat boards, this
Sample, after 4-propyl bromide hot solution of the filling in the inside kettle 2 of charge door 15 after rough, startup material pump 9 makes hot solution
Circulate, return in interior kettle 2, in flowing into during kettle 2, hot solution is impacted on upper strata deflector 14, and by upper strata
Deflector 14 is shunted, and is flowed to and collaborate on Liang Kuai lower floors deflector 13, during being flowed on deflector, between deflector and hot solution
Heat transfer is carried out, solution temperature is gradually reduced, 4-propyl bromide crystal is gradually separated out, and as solution flow to interior kettle
2 bottoms, and deflector contacts more uniform with solution, and hot solution rate of temperature fall can be made more uniform；The bottom angled of interior kettle 2 sets
Screen pack 12 is put, the bottom position of screen pack 12 is located on the side wall of interior kettle 2 manhole 3, the crystal that screen pack 12 will can be separated out is set
Filtered down from solution, and precipitated thereon, after the completion of crystallization, open manhole 3, the crystalline solid on screen pack 12 will be deposited in
Take out.
The three-way pipe 7 is also connected with probe tube 4, and the first stop valve 5 is installed on the probe tube 4, and one section is carried out in crystallization
After time, the first stop valve 5 is opened, take out part solution sample, the sample is detected, to determine remaining four in solution
The content of propyl group ammonium bromide solute, meanwhile, after the completion of crystallization, probe tube 4 can also discharge solution as discharge outlet.
The bottom of the interlayer 102 connects water inlet 103, top connection delivery port 101, delivery port 101 and water inlet 103 it
Between cooling water circulating device is set, in interlayer 102 constantly circulation input cooling water.
Second stop valve 8 is installed on the feed back pipe 10.
It is obvious to a person skilled in the art that the utility model is not limited to the details of above-mentioned one exemplary embodiment, and
And in the case of without departing substantially from spirit or essential attributes of the present utility model, can in other specific forms realize that this practicality is new
Type.Therefore, no matter from the point of view of which point, embodiment all should be regarded as exemplary, and is nonrestrictive, this practicality is new
The scope of type limits by appended claims rather than described above, it is intended that the equivalency fallen in claim is contained
All changes in justice and scope are included in the utility model.Any reference in claim should not be considered as limitation
Involved claim.
Moreover, it will be appreciated that although the present specification is described in terms of embodiments, not each implementation method is only wrapped
Containing an independent technical scheme, this narrating mode of specification is only that for clarity, those skilled in the art should
Specification an as entirety, the technical scheme in each embodiment can also be formed into those skilled in the art through appropriately combined
May be appreciated other embodiment.
Claims (4)
1. a kind of 4-propyl bromide crystallizer, including：Interior kettle, external kettle body, collecting tank and material pump, the external kettle body with
Interlayer is formed between interior kettle；It is characterized in that：The collecting tank is fixedly connected on interior autoclave body bottom, sump bottom connection three
Siphunculus, three-way pipe connects back to expects pipe, and the feed back pipe is connected to interior kettle top, and also pacifies fill pump on feed back pipe；Interior kettle
Interior to set some deflectors, the deflector is divided into upper strata deflector and lower floor's deflector, and the upper strata deflector fixes welding
On inwall before and after interior kettle, it includes being fixed together and in two pieces of flat boards of " inverted v-shaped ", and two pieces of flat boards with
Gap is left between the left and right inwall of interior kettle, lower floor's deflector includes being fixed together and in the two of " V-shaped "
Block flat board, two pieces of flat boards are respectively welded on the left and right inwall for being fixed on interior kettle, and leave gap between two pieces of flat boards；Interior kettle
Bottom angled sets screen pack, screen pack bottom position is located on interior kettle body sidewall and sets manhole.
2. a kind of 4-propyl bromide crystallizer according to claim 1, it is characterised in that：The three-way pipe is also connected with
Probe tube, installs the first stop valve on the probe tube.
3. a kind of 4-propyl bromide crystallizer according to claim 1, it is characterised in that：The interlayer bottom connection
Water inlet, top connection delivery port.
4. a kind of 4-propyl bromide crystallizer according to claim 1, it is characterised in that：Installed on the feed back pipe
Second stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621288547.7U CN206262143U (en) | 2016-11-29 | 2016-11-29 | A kind of 4-propyl bromide crystallizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621288547.7U CN206262143U (en) | 2016-11-29 | 2016-11-29 | A kind of 4-propyl bromide crystallizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206262143U true CN206262143U (en) | 2017-06-20 |
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ID=59042072
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621288547.7U Active CN206262143U (en) | 2016-11-29 | 2016-11-29 | A kind of 4-propyl bromide crystallizer |
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| CN (1) | CN206262143U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383678A (en) * | 2018-04-17 | 2018-08-10 | 连云港鹏辰特种新材料有限公司 | A kind of durol process for separation and purification based on bubble fractional crystallization and distillation |
| CN108905266A (en) * | 2018-07-27 | 2018-11-30 | 海南金海浆纸业有限公司 | Chlorine, potassium ion device in a kind of removal sode ash |
| CN109160881A (en) * | 2018-10-31 | 2019-01-08 | 江西肯特化学有限公司 | A kind of method that zeolite synthesizes extraction 4-propyl bromide in waste liquid |
| CN111760313A (en) * | 2020-06-30 | 2020-10-13 | 常州海克莱化学有限公司 | Distillation equipment with filtering capability |
-
2016
- 2016-11-29 CN CN201621288547.7U patent/CN206262143U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108383678A (en) * | 2018-04-17 | 2018-08-10 | 连云港鹏辰特种新材料有限公司 | A kind of durol process for separation and purification based on bubble fractional crystallization and distillation |
| CN108905266A (en) * | 2018-07-27 | 2018-11-30 | 海南金海浆纸业有限公司 | Chlorine, potassium ion device in a kind of removal sode ash |
| CN109160881A (en) * | 2018-10-31 | 2019-01-08 | 江西肯特化学有限公司 | A kind of method that zeolite synthesizes extraction 4-propyl bromide in waste liquid |
| CN109160881B (en) * | 2018-10-31 | 2021-01-08 | 江西肯特化学有限公司 | Method for extracting tetrapropylammonium bromide from zeolite synthesis waste liquid |
| CN111760313A (en) * | 2020-06-30 | 2020-10-13 | 常州海克莱化学有限公司 | Distillation equipment with filtering capability |
| CN111760313B (en) * | 2020-06-30 | 2021-09-28 | 常州天马集团有限公司（原建材二五三厂） | Distillation equipment with filtering capability |
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