CN208829569U - It is a kind of for synthesizing the device of trifluoroethanol - Google Patents
It is a kind of for synthesizing the device of trifluoroethanol Download PDFInfo
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- CN208829569U CN208829569U CN201820826071.0U CN201820826071U CN208829569U CN 208829569 U CN208829569 U CN 208829569U CN 201820826071 U CN201820826071 U CN 201820826071U CN 208829569 U CN208829569 U CN 208829569U
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- autoclave body
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- trifluoroethanol
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Abstract
It is especially a kind of for synthesizing the device of trifluoroethanol the utility model relates to chemical reaction device technical field；Including reaction kettle, the bottom of reaction kettle is connect by connecting tube with centrifugal device, and centrifugal device is connect by pipeline with rectifying column, has electrodynamic pump on pipeline, there is products export at the top of the rectifying column, surplus material outlet is arranged at the bottom of rectifying column；Autoclave body interior bottom portion has one block of hang plate in the utility model, and the low side of hang plate is arranged towards discharge port, using this structure, it is only necessary to which seldom power can be so that the material in autoclave body be completely exhausted out, and low energy consumption；The utility model has the advantages of simple structure, and reaction conversion ratio is high, and product is easily separated.
Description
Technical field
It is especially a kind of for synthesizing the device of trifluoroethanol the utility model relates to chemical reaction device technical field.
Background technique
Trifluoroethanol is a kind of important aliphatic fluoride-containing PMMA, be widely used in fluorine-containing medicines, pesticide synthesis,
The fields such as advanced solvent, dyestuff and the energy.
The problem of existing production method, is: one, in reaction process introduce water, and water and trifluoroethanol azeotropic, therefore meeting
Increase the purification difficulty and production cost of trifluoroethanol；Two, metal chloride and excessive unreacted metal vinegar in reaction product
Hydrochlorate or alkali metal salt catalyst separation are difficult, easily cause wastage of material, reduce income.
Existing trifluoroethanol reaction unit could be improved.
Summary of the invention
The object of the present invention is to provide the convenient post-treatments such as a kind of high production efficiency, cleaning for synthesizing trifluoroethanol
Device.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
It is a kind of for synthesizing the device of trifluoroethanol, including reaction kettle, the bottom of reaction kettle is filled by connecting tube and centrifugation
Connection is set, centrifugal device is connect with rectifying column by pipeline, has electrodynamic pump on pipeline, have product to go out at the top of the rectifying column
Mouthful, surplus material outlet is arranged at the bottom of rectifying column；
Include autoclave body in the reaction kettle, have kettle cover at the top of autoclave body, there is feed inlet on kettle cover, leads between kettle cover and autoclave body
It crosses pivot pin and is bolted, there is agitating shaft in autoclave body, agitating shaft is connect by shaft coupling with the first driving motor, the first driving electricity
Machine is located at the top of kettle cover, and agitating paddle is connected on agitating shaft, and discharge port is arranged at the bottom of the autoclave body, and the discharge port and centrifugation fill
It is connected between setting by discharge nozzle, there is delivery pump on the discharge nozzle, the autoclave body bottom is connected with support device, outside reaction kettle
It spirals and is provided with heat exchange pipeline, heat transferring medium feed inlet is arranged at the bottom of heat exchange pipeline, has heat transferring medium to go out at the top of heat exchange pipeline
Material mouth.
Preferably, it is provided with several through-holes on the agitating paddle, there is an opening above the agitating paddle.
Preferably, the autoclave body interior bottom portion has one block of hang plate, and the low side of hang plate is arranged towards discharge port.
Preferably, it is connected between the support device and autoclave body by fixed ring, is passed through between the fixed ring and autoclave body
It is welded to connect, is bolted between support device and fixed ring.
Preferably, the centrifugal device includes cabinet, is connected with eccentric groove by shaft in the cabinet, the shaft and
The connection of second driving motor, the eccentric groove includes stillness of night collecting tank section and heavy-fluid collecting tank section, the bottom of heavy-fluid collecting tank section
It is provided with heavy-fluid flow-limiting valve, the stillness of night collecting tank section has liquid outlet, and liquid outlet is connect by pipeline with rectifying column.
Preferably, the rectifying column includes base's rectification layer and top layer condensate layer, base's rectification layer and top layer condensate layer it
Between have one layer or more of tower section, condenser is set in top layer cooling layer, the outlet end of condenser connects top discharge pipe, base's rectification layer
It is interior to be equipped with vortex-proof device, there is one layer of strainer on vortex-proof device.
Preferably, the vortex-proof device selects zeolite layer.
It is using the beneficial effect of technical solution of the present invention:
1, several through-holes are provided in the utility model on agitating paddle, there is an opening above agitating paddle, using this structure,
On the one hand, mixing effect is good, and on the other hand, stirring resistance is small；
2, autoclave body interior bottom portion has one block of hang plate in the utility model, and the low side of hang plate is arranged towards discharge port, adopts
With this structure, it is only necessary to which seldom power can be so that the material in autoclave body be completely exhausted out, and low energy consumption；
3, it is connected between support device and autoclave body by fixed ring in the utility model, passes through weldering between fixed ring and autoclave body
It connects, is bolted between support device and fixed ring in succession, using this structure, the connection between support device and autoclave body is more
Securely, and installing and dismounting is more convenient；
4, the utility model has the advantages of simple structure, and reaction conversion ratio is high, and product is easily separated.
Detailed description of the invention
Present invention will be further explained below with reference to the attached drawings and examples.
Fig. 1 is the structural schematic diagram of the utility model.
In figure: 1 reaction kettle, 2 connecting tubes, 3 centrifugal devices, 4 pipelines, 5 rectifying columns, 6 electrodynamic pumps, 7 products exports, 8 is remaining
Material outlet, 9 kettle covers, 10 feed inlets, 11 agitating shafts, 12 agitating paddles, 13 delivery pumps, 14 through-holes, 15 openings, 16 hang plates, 17
Eccentric groove, 18 base's rectification layers, 19 top layer condensate layers, 20 vortex-proof devices.
Specific embodiment
In conjunction with the accompanying drawings, the present invention is further explained in detail.These attached drawings are simplified schematic diagram, only with
Illustration illustrates basic structure of the invention, therefore it only shows the composition relevant to the invention.
As shown in Figure 1, a kind of for synthesizing the device of trifluoroethanol, including reaction kettle 1, the bottom of reaction kettle 1 passes through company
Adapter tube 2 is connect with centrifugal device 3, and centrifugal device 3 is connect by pipeline 4 with rectifying column 5, there is electronic 6 pump, rectifying column 5 on pipeline 4
Top have a products export 7, the bottom of rectifying column 5 has surplus material to export 8；
Include autoclave body in reaction kettle 1, has kettle cover 9 at the top of autoclave body, have feed inlet 10 on kettle cover 9, between kettle cover 9 and autoclave body
It by pivot pin and being bolted, there is agitating shaft 11 in autoclave body, agitating shaft 11 is connect by shaft coupling with the first driving motor, and first
Driving motor is located at the top of kettle cover 9, is connected with agitating paddle 12 on agitating shaft 11, and discharge port arranged at the bottom of autoclave body, discharge port with from
It is connected between center device 3 by discharge nozzle, there is delivery pump 13 on discharge nozzle, autoclave body bottom is connected with support device, outside reaction kettle 1
It spirals and is provided with heat exchange pipeline, heat transferring medium feed inlet is arranged at the bottom of heat exchange pipeline, has heat transferring medium to go out at the top of heat exchange pipeline
Material mouth.
In use, dinethylformamide is solvent, and trifluoro-chloroethane and metal acetate salt are raw material with N, reacting
8~12h is reacted in device under the conditions of 175-185 DEG C, is down to room temperature, feed liquid is handled through centrifuge, clear liquid rectifying in rectifying column 5
Obtain trifluoroethanol；N, dinethylformamide and the recovered rear Returning reactor of trifluoro-chloroethane recycle, solid after centrifugation
Into, by methanol or ethanol washing, handling through centrifuge in washing kettle, obtained solid is metal chloride, the drying of drying machine
After collect.
Several through-holes 14 are provided in the present embodiment on agitating paddle 12, there is an opening 15 in the top of agitating paddle 12, using this
Structure, on the one hand, mixing effect is good, and on the other hand, stirring resistance is small.
Autoclave body interior bottom portion has one block of hang plate 16 in the present embodiment, and the low side of hang plate 16 is arranged towards discharge port, adopts
With this structure, it is only necessary to which seldom power can be so that the material in autoclave body be completely exhausted out, and low energy consumption.
It is connected between support device and autoclave body by fixed ring in the present embodiment, is connected between fixed ring and autoclave body by welding
It connects, is bolted between support device and fixed ring, using this structure, the connection between support device and autoclave body is more firm
Gu and installing and dismounting is more convenient.
Centrifugal device 3 includes cabinet in the present embodiment, and cabinet is interior to be connected with eccentric groove 17 by shaft, and shaft is driven with second
Dynamic motor connection, eccentric groove 17 includes stillness of night collecting tank section and heavy-fluid collecting tank section, and the bottom of heavy-fluid collecting tank section is provided with heavy-fluid
Flow-limiting valve, stillness of night collecting tank section have liquid outlet, and liquid outlet is connect by pipeline with rectifying column, and after centrifugally operated, the stillness of night passes through defeated
It send pump to be pumped into rectifying column and carries out distillation operation, heavy-fluid is discharged by heavy-fluid flow-limiting valve, can be effective using heavy-fluid flow-limiting valve
Heavy-fluid is discharged, the collection without influencing whether the stillness of night substantially increases separative efficiency.
Rectifying column includes base's rectification layer 18 and top layer condensate layer 19 in the present embodiment, and base's rectification layer 18 and top layer condense
There is one layer or more of tower section between layer 19, the outlet end of 19 peripheral hardware condenser of top layer condensate layer, condenser connects top discharge pipe, base
Be equipped with vortex-proof device 20 in layer rectification layer 18, in use, the obtained upward ascension of steam of distillation, after condenser condenses from it is upper go out
Expects pipe excludes, and the liquid that rectifying obtains flows downwardly into base's rectification layer 18, after strainer filtering falls solid impurity therein, drop
Enter in vortex-proof device 20, and more preferably along bottom discharge pipe discharge rectification effect；Vortex-proof device 20 selects zeolite layer in the present embodiment,
Zeolite layer, structure is simple, and it is convenient to draw materials, and anti-venturi effect is good, improves rectification efficiency.
Taking the above-mentioned ideal embodiment according to the present invention as inspiration, through the above description, relevant staff is complete
Various changes and amendments can be carried out without departing from the scope of the technological thought of the present invention' entirely.It is all in essence of the invention
Within mind and principle, any modification, equivalent substitution, improvement and etc. done be should all be included in the protection scope of the present invention.This
The technical scope of item invention is not limited to the contents of the specification, it is necessary to its technology is determined according to scope of the claims
Property range.
Claims (7)
1. a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: including reaction kettle, the bottom of reaction kettle passes through connecting tube
It is connect with centrifugal device, centrifugal device is connect by pipeline with rectifying column, has electrodynamic pump on pipeline, has at the top of the rectifying column
Surplus material outlet is arranged at products export, the bottom of rectifying column；
Include autoclave body in the reaction kettle, has kettle cover at the top of autoclave body, have feed inlet on kettle cover, pass through axis between kettle cover and autoclave body
It sells and is bolted, there is agitating shaft in autoclave body, agitating shaft is connect by shaft coupling with the first driving motor, the first driving motor position
At the top of the kettle cover, be connected with agitating paddle on agitating shaft, discharge port arranged at the bottom of the autoclave body, the discharge port and centrifugal device it
Between connected by discharge nozzle, have delivery pump on the discharge nozzle, the autoclave body bottom is connected with support device, reaction kettle inverted position turn
It is provided with heat exchange pipeline, there is heat transferring medium feed inlet in the bottom of heat exchange pipeline, there is heat transferring medium discharge port at the top of heat exchange pipeline.
2. according to claim 1 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: opened on the agitating paddle
There are several through-holes, there is an opening above the agitating paddle.
3. according to claim 1 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: the autoclave body inner bottom
There is one block of hang plate in portion, and the low side of hang plate is arranged towards discharge port.
4. according to claim 1 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: the support device with
It is connected between autoclave body by fixed ring, by being welded to connect between the fixed ring and autoclave body, between support device and fixed ring
It is bolted.
5. according to claim 1 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: the centrifugal device packet
Cabinet is included, the cabinet is interior to be connected with eccentric groove by shaft, and the shaft is connect with the second driving motor, the eccentric groove packet
Stillness of night collecting tank section and heavy-fluid collecting tank section are included, the bottom of heavy-fluid collecting tank section is provided with heavy-fluid flow-limiting valve, the stillness of night collecting tank
Section has liquid outlet, and liquid outlet is connect by pipeline with rectifying column.
6. according to claim 1 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: the rectifying column includes
Base's rectification layer and top layer condensate layer have one layer or more of tower section, top layer cooling layer between base's rectification layer and top layer condensate layer
Condenser is inside set, the outlet end of condenser connects top discharge pipe, vortex-proof device is equipped in base's rectification layer, has one on vortex-proof device
Layer strainer.
7. according to claim 6 a kind of for synthesizing the device of trifluoroethanol, it is characterised in that: the vortex-proof device choosing
Use zeolite layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826071.0U CN208829569U (en) | 2018-05-29 | 2018-05-29 | It is a kind of for synthesizing the device of trifluoroethanol |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826071.0U CN208829569U (en) | 2018-05-29 | 2018-05-29 | It is a kind of for synthesizing the device of trifluoroethanol |
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| CN208829569U true CN208829569U (en) | 2019-05-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111454123A (en) * | 2020-05-18 | 2020-07-28 | 威海新元化工有限公司 | Flexible reaction device and method for trifluoroethanol/trifluoroethyl methacrylate |
-
2018
- 2018-05-29 CN CN201820826071.0U patent/CN208829569U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111454123A (en) * | 2020-05-18 | 2020-07-28 | 威海新元化工有限公司 | Flexible reaction device and method for trifluoroethanol/trifluoroethyl methacrylate |
| CN111454123B (en) * | 2020-05-18 | 2022-08-05 | 新元化学(山东)股份有限公司 | Flexible reaction device and method for trifluoroethanol/trifluoroethyl methacrylate |
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