CN208494188U - A kind of reaction kettle being used to prepare tetrafluoroethane - Google Patents
A kind of reaction kettle being used to prepare tetrafluoroethane Download PDFInfo
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- CN208494188U CN208494188U CN201820826013.8U CN201820826013U CN208494188U CN 208494188 U CN208494188 U CN 208494188U CN 201820826013 U CN201820826013 U CN 201820826013U CN 208494188 U CN208494188 U CN 208494188U
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- tank body
- half tank
- agitating shaft
- prepare
- reaction kettle
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/10—Process efficiency
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Abstract
The utility model relates to chemical reaction device technical field, especially a kind of reaction kettle for being used to prepare tetrafluoroethane；Including support frame, tank body is installed on support frame as described above, the top movable of the tank body is connected with cover, has feed inlet at the top of cover, temperature and pressure sensor is also equipped on cover；The tank body includes upper half tank body and lower half tank body, divided between upper half tank body and lower half tank body by partition, several one-way flow through-holes are provided on partition, agitating shaft is installed in the tank body, the top of agitating shaft is connect by shaft coupling with driving motor, agitating shaft passes through partition and protrudes into tank base, and the upper semisection of agitating shaft is connected with the first agitating paddle, and lower semisection is connected with the second agitating paddle；Since the generation reaction of tetrafluoroethane includes heating and cooling down two stages, so being divided between upper half tank body and lower half tank body by partition by tank design at upper half tank body and lower half tank body in the utility model, improving heat exchanger effectiveness, Energy in use is reduced, reaction conversion ratio is improved.
Description
Technical field
The utility model relates to chemical reaction device technical field, especially a kind of reaction for being used to prepare tetrafluoroethane
Kettle.
Background technique
R-134a is made as most popular middle low-temperature environment-friendly refrigerant due to the good comprehensive performance of HFC-134a
A kind of its substitute for becoming highly effective and safe CFC-12, is mainly used in and is using R-12 (R12, Freon 12, F-
12, CFC-12, Freon12, dicholorodifluoromethane) refrigerant most fields, comprising: refrigerator, refrigerator, water dispenser, automobile are empty
In the refrigeration equipments such as tune, central air-conditioning, dehumidifier, freezer, commercial refrigeration, frozen water machine, ice cream maker, refrigerated condensation unit, together
When apply also for aerosol propellant, medicinal aerosol, insecticide propellant, polymer (plastics) physical blowing agent and magnesium
Alloy protecting gas etc..
Currently, tetrafluoroethane production line causes temperature of reaction kettle distribution gradient bigger than normal, heat because mixer design is unreasonable
Using unreasonable, and the material of first order reaction needs to heat, and the material of second order reaction needs to cool down, and second order reaction material energy is not
Effective use, causes production energy consumption larger.
Summary of the invention
The object of the present invention is to provide a kind of reaction kettles for being used to prepare tetrafluoroethane that low energy consumption, reasonable in design.
In order to solve the above technical problems, The technical solution adopted by the invention is as follows:
A kind of reaction kettle being used to prepare tetrafluoroethane, including support frame are equipped with tank body, the tank on support frame as described above
The top movable of body is connected with cover, has feed inlet at the top of cover, temperature and pressure sensor is also equipped on cover；
The tank body includes upper half tank body and lower half tank body, is divided between upper half tank body and lower half tank body by partition, every
It is provided with several one-way flow through-holes on plate, agitating shaft is installed in the tank body, the top of agitating shaft passes through shaft coupling and driving electricity
Machine connection, agitating shaft pass through partition and protrude into tank base, and the upper semisection of agitating shaft is connected with the first agitating paddle, and lower semisection is connected with
Second agitating paddle；There is the first heat exchange pipeline outside the upper half tank body, the first heat exchange pipeline is laterally coiled in upper half tank body in S shape
Outside, the bottom of the first heat exchange pipeline is provided with the first heat transferring medium import, has the first heat transferring medium to go out at the top of the first heat exchange pipeline
Mouthful, there is the second heat exchange pipeline outside the lower half tank body, the second heat exchange pipeline is vertically arranged in outside lower half tank body in S shape, and second changes
The bottom of heat pipeline is provided with the second heat transferring medium import, there is the outlet of the first heat transferring medium, the tank at the top of the second heat exchange pipeline
Discharge port is arranged at the bottom of body.
Preferably, it is connected between the agitating shaft and partition by axle sleeve.
Preferably, first agitating paddle is in cross, and second agitating paddle is in X-shaped, and the first agitating paddle and second stirs
It mixes and is connected through a screw thread between paddle and agitating shaft, the two sides of the contact jaw of the first agitating paddle, the second agitating paddle and agitating shaft are limited
Position circle.
Preferably, a circle has the groove to match with spacing collar on agitating shaft, spacing collar is located in groove, the limit
It is bolted between circle and agitating shaft.
Preferably, there is the first heat-insulated cavity outside the upper half tank body, the first heat exchange pipeline is located in the first heat-insulated cavity.
Preferably, there is the second heat-insulated cavity outside the lower half tank body, the second heat exchange pipeline is located at the interior of the second heat-insulated cavity
Side.
Preferably, the temperature sensor includes the first temperature sensor and second temperature sensor, the first temperature sensing
Device extends to the bottom of upper half tank body, and second temperature sensor extends to the bottom of lower half tank body.
Preferably, there is one layer of ceramic anti-corrosion layer on the inner wall of the tank body.
Preferably, it is connected by bolt with pivot pin between the tank body and cover, there is one layer of sealing between tank body and cover
Circle.
Preferably, it is also connected with cleaning pipe on the cover, is connected between the cleaning pipe and cover by flexible shaft sleeve.
It is using the beneficial effect of technical solution of the present invention:
1, divided between upper half tank body and lower half tank body by partition in the utility model, be provided with several one-way flows on partition
Through-hole, the structure design of one-way flow through-hole, it is ensured that in the entrance lower half tank body that the material after first order reaction can only be unidirectional, mention
The high efficiency of height reaction, improves conversion ratio, reduces the production rate of by-product；
2, a circle has the groove to match with spacing collar in the utility model on agitating shaft, spacing collar is located in groove,
It is bolted between spacing collar and agitating shaft, due to being connected through a screw thread between agitating paddle and agitating shaft, so using this
Structure, it can be ensured that in whipping process, agitating paddle will not be subjected to displacement, and ensure that stirring efficiency, spacing collar and stirring
It is bolted between axis, installing and dismounting is more convenient；
3, since the generation reaction of tetrafluoroethane includes heating and cooling down two stages, so by tank body in the utility model
It is designed to upper half tank body and lower half tank body, is divided between upper half tank body and lower half tank body by partition, improve heat exchanger effectiveness,
Energy in use is reduced, reaction conversion ratio is improved.
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 support frame, 2-1 upper half tank body, lower half tank body 2-2,3 covers, 4 feed inlets, 5 temperature sensors, 6 pressure
Sensor, 7 partitions, 8 one-way flow through-holes, 9 agitating shafts, 10 first agitating paddles, 11 second agitating paddles, 12 first heat exchange pipelines, 13
Second heat exchange pipeline, 14 discharge ports, 15 first heat-insulated cavities, 16 second heat-insulated cavities.
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 reaction kettle for being used to prepare tetrafluoroethane, including support frame 1, tank is installed on support frame 1
Body, the top movable of tank body are connected with cover 3, are flexibly connected between tank body and cover 3, convenient for the disassembly and peace in cleaning process
Feed inlet 4 is arranged at dress operation, the top of cover 3, and temperature 5 and pressure sensor 6, temperature sensor 5 and pressure are also equipped on cover 3
Reaction temperature and pressure in 6 real-time monitoring reaction kettle of force snesor, to adjust the temperature in reaction kettle according to actual needs
It is the optimum of reaction with pressure, improves the high efficiency of reaction, it is ensured that the safety of reaction；Tank body includes upper half tank body 2-
1 and lower half tank body 2-2, since the generation reaction of tetrafluoroethane includes heating and cooling down two stages so by tank in the present embodiment
Body is designed between upper half tank body 2-1 and lower half tank body 2-2, upper half tank body 2-1 and lower half tank body 2-2 divide by partition 7, every
Several one-way flow through-holes 8, the structure design of one-way flow through-hole 8, it is ensured that the material after first order reaction can only be single are provided on plate 7
To entrance lower half tank body 2-2 in, improve the high efficiency of reaction, improve conversion ratio, reduce the production rate of by-product, tank body
Agitating shaft is inside installed, the top of agitating shaft is connect by shaft coupling with driving motor, and agitating shaft passes through partition and protrudes into tank body bottom
Portion, the upper semisection of agitating shaft are connected with the first agitating paddle 10, and lower semisection is connected with the second agitating paddle 11, the first agitating paddle 10 and
The structures of two agitating paddles 11 designs, can according to actual needs respectively to the material in upper half tank body 2-1 and lower half tank body 2-2 into
Row stirring, effectively increases stirring efficiency, improves reaction conversion ratio；There is the first heat exchange pipeline 12 outside upper half tank body 2-1, first
Heat exchange pipeline 12 is laterally coiled in outside upper half tank body 2-1 in S shape, the bottom of the first heat exchange pipeline 12 be provided with the first heat transferring medium into
Mouthful, there is the outlet of the first heat transferring medium at the top of the first heat exchange pipeline, designed using this structure, improve the heat exchange efficiency of heating,
There is the second heat exchange pipeline 13 outside lower half tank body 2-2, the second heat exchange pipeline 13 is vertically arranged in outside lower half tank body 2-2 in S shape, and second
The bottom of heat exchange pipeline 13 is provided with the second heat transferring medium import, there is the outlet of the first heat transferring medium at the top of the second heat exchange pipeline, on
Discharge port is arranged at the bottom of half tank body 1-1 tank body, and material has feed inlet entrance, is discharged after reaction by discharge port.
It being connected between agitating shaft 9 and partition 7 by axle sleeve in the present embodiment, is connected by axle sleeve, structure design is more reasonable,
Using more convenient, stirring energy consumption is low, there is a protective case outside axle sleeve, and protective case is the cylindric knot for having accommodating cavity
Structure, protective case are made using corrosion-resistant material, using protective case, can be blocked axle sleeve to avoid material in use process, from
And influence stirring efficiency.
The first agitating paddle 10 is in cross in the present embodiment, and the second agitating paddle 11 is in X-shaped, and cross and X-shaped are according to reality
What border needed to be arranged, the first agitating paddle 10 and the second agitating paddle 11 can also be designed to it according to actual needs in practical operation
Remaining shape or structure are connected through a screw thread between the first agitating paddle 10 and the second agitating paddle 11 and agitating shaft 9, are connected by screw thread
It connects, in device cleaning process, the installing and dismounting of agitating paddle and agitating shaft 9 is more convenient, and can replace according to actual needs
The agitating shaft of different shape or structure improves operating efficiency, the first agitating paddle 10,11 and of the second agitating paddle using more convenient
There are spacing collar in the two sides of the contact jaw of agitating shaft 9, and the structure design of spacing collar avoids agitating paddle and agitating shaft 9 was using
It is subjected to displacement in journey.
There is a circle to have the groove to match with spacing collar in this implementation on agitating shaft 9, spacing collar is located in groove, spacing collar
It is bolted between agitating shaft, due to being connected through a screw thread between agitating paddle and agitating shaft 9, so using this structure,
May insure in whipping process, agitating paddle will not be subjected to displacement, ensure that stirring efficiency, spacing collar and agitating shaft 9 it
Between be bolted, installing and dismounting is more convenient.
There is the first heat-insulated cavity 15 outside upper half tank body 2-1 in the present embodiment, the first heat exchange pipeline is located at the first heat-insulated cavity
In 15, the structure of the first heat-insulated cavity 15 is designed, and is improved the thermal insulation property of upper half tank body 2-1 and is improved heat-conducting medium
Heat exchanger effectiveness provides more stable temperature environment to improve the temperature stability in upper half tank body 2-1 for reaction.
There is the second heat-insulated cavity 16 outside lower half tank body 2-2 in the present embodiment, the second heat exchange pipeline is located at the second heat-insulated cavity
16 inside, the structure design of the second heat-insulated cavity 16, improves the thermal insulation property of lower half tank body 2-2, to improve lower half
Temperature stability in tank body 16 provides more stable temperature environment for reaction.
Temperature sensor 5 includes the first temperature sensor and second temperature sensor, the first temperature sensing in the present embodiment
Device extends to the bottom of upper half tank body, and second temperature sensor extends to the bottom of lower half tank body, and the structure of two temperature sensors is set
Meter, since upper half tank body and the intracorporal reaction temperature of lower half tank are different, so different temperature is arranged using two positions
Sensor improves the accuracy of temperature measurement, is more conducive to the control of reaction condition, improves reaction efficiency, and effectively control is secondary
The generation of product.
There is one layer of ceramic anti-corrosion layer in the present embodiment on the inner wall of tank body, the structure design of ceramic anti-corrosion layer is further
The corrosion resistance for improving reaction kettle improves the scope of application of reaction kettle.
It is connected by bolt with pivot pin between tank body and cover 3 in the present embodiment, the opening of cover 3 is convenient in the connection of pivot pin
And closed procedure, pivot pin are located at the side of tank body and cover 3, bolt and pivot pin are in that the center of circle is symmetrical, are consolidated cover 3 by bolt
It is fixed, the convenience used is improved, there is one layer of sealing ring between tank body and cover 3, the structure design of sealing ring further increases
Connection sealing between cover 3 and tank body, it is ensured that the reaction pressure in reaction kettle improves reaction efficiency.
Cleaning pipe is also connected in the present embodiment on cover 3, production terminates or according to actual needs can be by anti-
It answers kettle to carry out cleaning operation, using more convenient, by flexible shaft sleeve connection between cleaning pipe and cover 3, is connected by flexible shaft sleeve
It connects, can realize the cleaning to each corner of tank body by adjusting the angle of cleaning pipe, improve cleaning efficiency, flexible shaft sleeve
It is made of the elastic plate and axle sleeve for having fold, axle sleeve is located in elastic plate, and connection, elastic plate are coated between elastic plate and axle sleeve
It can be formed using rubber slab or remaining corrosion resistant plastic plate, manhole is additionally provided on cover 3, the structure design of manhole is convenient for
Reaction kettle is repaired, the convenience used is improved.
In summary: 1, being divided between upper half tank body and lower half tank body by partition in the utility model, be provided on partition
Several one-way flow through-holes, the structure design of one-way flow through-hole, it is ensured that under the entrance that the material after first order reaction can only be unidirectional
In half tank body, the high efficiency of reaction is improved, conversion ratio is improved, reduces the production rate of by-product；
2, a circle has the groove to match with spacing collar in the utility model on agitating shaft, spacing collar is located in groove,
It is bolted between spacing collar and agitating shaft, due to being connected through a screw thread between agitating paddle and agitating shaft, so using this
Structure, it can be ensured that in whipping process, agitating paddle will not be subjected to displacement, and ensure that stirring efficiency, spacing collar and stirring
It is bolted between axis, installing and dismounting is more convenient；
3, since the generation reaction of tetrafluoroethane includes heating and cooling down two stages, so by tank body in the utility model
It is designed to upper half tank body and lower half tank body, is divided between upper half tank body and lower half tank body by partition, improve heat exchanger effectiveness,
Energy in use is reduced, reaction conversion ratio is improved.
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 (10)
1. a kind of reaction kettle for being used to prepare tetrafluoroethane, it is characterised in that: including support frame, be equipped with tank on support frame as described above
Body, the top movable of the tank body are connected with cover, there is feed inlet at the top of cover, be also equipped on cover temperature sensor and
Pressure sensor；
The tank body includes upper half tank body and lower half tank body, is divided between upper half tank body and lower half tank body by partition, on partition
Several one-way flow through-holes are provided with, agitating shaft is installed in the tank body, the top of agitating shaft is connected by shaft coupling and driving motor
It connects, agitating shaft passes through partition and protrudes into tank base, and the upper semisection of agitating shaft is connected with the first agitating paddle, and lower semisection is connected with second
Agitating paddle；There is the first heat exchange pipeline outside the upper half tank body, the first heat exchange pipeline is laterally coiled in outside upper half tank body in S shape, the
The bottom of one heat exchange pipeline is provided with the first heat transferring medium import, there is the outlet of the first heat transferring medium, institute at the top of the first heat exchange pipeline
Stating has the second heat exchange pipeline outside lower half tank body, the second heat exchange pipeline is vertically arranged in outside lower half tank body in S shape, the second heat exchange pipeline
Bottom be provided with the second heat transferring medium import, have at the top of the second heat exchange pipeline the first heat transferring medium outlet, the bottom of the tank body
There is discharge port in portion.
2. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the agitating shaft with
It is connected between partition by axle sleeve.
3. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: first stirring
Paddle is in cross, and second agitating paddle is in X-shaped, is connected between the first agitating paddle and the second agitating paddle and agitating shaft by screw thread
It connects, there are spacing collar in the two sides of the contact jaw of the first agitating paddle, the second agitating paddle and agitating shaft.
4. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: have one on agitating shaft
Circle has the groove to match with spacing collar, and spacing collar is located in groove, is bolted between the spacing collar and agitating shaft.
5. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the upper half tank body
There is the first heat-insulated cavity outside, the first heat exchange pipeline is located in the first heat-insulated cavity.
6. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the lower half tank body
There is the second heat-insulated cavity outside, the second heat exchange pipeline is located at the inside of the second heat-insulated cavity.
7. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the temperature sensing
Device includes the first temperature sensor and second temperature sensor, and the first temperature sensor extends to the bottom of upper half tank body, the second temperature
Degree sensor extends to the bottom of lower half tank body.
8. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the tank body it is interior
There is one layer of ceramic anti-corrosion layer on wall.
9. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: the tank body and tank
It is connected by bolt with pivot pin between lid, there is one layer of sealing ring between tank body and cover.
10. a kind of reaction kettle for being used to prepare tetrafluoroethane according to claim 1, it is characterised in that: on the cover
It is also connected with cleaning pipe, is connected between the cleaning pipe and cover by flexible shaft sleeve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826013.8U CN208494188U (en) | 2018-05-29 | 2018-05-29 | A kind of reaction kettle being used to prepare tetrafluoroethane |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820826013.8U CN208494188U (en) | 2018-05-29 | 2018-05-29 | A kind of reaction kettle being used to prepare tetrafluoroethane |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208494188U true CN208494188U (en) | 2019-02-15 |
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ID=65287202
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820826013.8U Active CN208494188U (en) | 2018-05-29 | 2018-05-29 | A kind of reaction kettle being used to prepare tetrafluoroethane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208494188U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487754A (en) * | 2022-09-29 | 2022-12-20 | 宁波巨化化工科技有限公司 | Reactor suitable for acetone hydrogenation |
-
2018
- 2018-05-29 CN CN201820826013.8U patent/CN208494188U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115487754A (en) * | 2022-09-29 | 2022-12-20 | 宁波巨化化工科技有限公司 | Reactor suitable for acetone hydrogenation |
| CN115487754B (en) * | 2022-09-29 | 2024-04-02 | 宁波巨化化工科技有限公司 | Reactor suitable for acetone hydrogenation |
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