CN208569432U - Reaction kettle heating device - Google Patents
Reaction kettle heating device Download PDFInfo
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- CN208569432U CN208569432U CN201821018597.2U CN201821018597U CN208569432U CN 208569432 U CN208569432 U CN 208569432U CN 201821018597 U CN201821018597 U CN 201821018597U CN 208569432 U CN208569432 U CN 208569432U
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- circulation bath
- circulation
- bath
- reaction kettle
- heating tube
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Abstract
The utility model discloses a kind of reaction kettle heating devices, including host computer, PLC module, recycle bath, pump, heating tube and cooling back installation, it recycles and recycle oil is perfused in bath, the circulation bath liquid outlet connects the fluid inlet end of reacting kettle jacketing by pump with pipeline, the liquid outlet end of reacting kettle jacketing connects the arrival end of circulation bath by pipeline, the host computer is communicated by 232 interfaces with PLC module, the signal output end of PLC module is connect by 485 interfaces with Frequency Converter Control end, the power end of frequency converter voltage output end connect compressor, the heat exchange part of cooling back installation is in circulation bath, heating tube is installed in the circulation bath；The recycle oil in circulation bath is heated by using PLC control heating tube, and the circulation oil temperature in circulation bath is accurately controlled, is indirectly controlled the solution temperature in reaction kettle using recycle oil, temperature controlled processes are softer and accurate.
Description
Technical field
The utility model relates to reaction kettle technical field more particularly to a kind of reaction kettle heating devices.
Background technique
The chemical reaction process of reaction kettle internal-response object is frequently accompanied by absorbing and releasing for energy, and reaction kettle system
Vacancy mode mostly be by medium heat transmitting indirectly controlled, this has resulted in the spy of its big inertia and large time delay
Point, thus reaction kettle system becomes the representative of difficult control object, however in many production processes, it is straight whether temperature controlled accurate
The quality for influencing product is connect, for example in pharmacy crystallization process, temperature can influence the degree of supersaturation of solution, the mistake of temperature change
It is fastly or excessively slow, the quality of product can be all reduced, scrapping for entire batch products is even resulted in, in addition, many production processes are frequent
Along with the mal-conditions such as inflammable, explosive, high temperature, high pressure, so, the accurate temperature for controlling reaction kettle system in production process is not
Merely to guaranteeing therefore product quality and production efficiency design a kind of reaction for being easy to accurately control based on temperature of reaction kettle
Kettle heating device is this field urgent problem.
Utility model content
The technical problem to be solved by the utility model is to provide a kind of reaction kettle heating devices, are controlled by using PLC
Heating tube heats the recycle oil in circulation bath, and accurately controls heat exchange unit to the circulation oil temperature in circulation bath
Degree is accurately controlled, and is indirectly controlled the solution temperature in reaction kettle using recycle oil, temperature controlled processes it is softer with
Accurately, it is ensured that the normal production of reaction kettle.
In order to solve the above technical problems, technical solution adopted in the utility model is: a kind of reaction kettle heating device, packet
Host computer, PLC module, circulation bath, pump, heating tube and cooling back installation are included, recycle oil is perfused in circulation bath, it is described to follow
Ring bath liquid outlet connects the fluid inlet end of reacting kettle jacketing by pump with pipeline, and the liquid outlet end of reacting kettle jacketing passes through
The arrival end of pipeline connection circulation bath, the host computer are communicated by 232 interfaces with PLC module, the signal output of PLC module
End is connect by 485 interfaces with Frequency Converter Control end, the power end of frequency converter voltage output end connect compressor, circulating cooling dress
The heat exchange part set installs heating tube in circulation bath in the circulation bath.
Temperature sensor PT100 0, the output of 0 signal of temperature sensor PT100 are respectively mounted in the reaction kettle and circulation bath
End connection PLC signal input part, the heating tube control terminal connect PLC signal output end.
The cooling back installation includes compressor, condenser, throttle valve and evaporator, and evaporator immerses circulation bath
In recycle oil, evaporator both ends are separately connected compressor and condenser, and condenser is exported by condenser pipe connect compressor, condensation
Throttle valve is set between device and evaporator.
The beneficial effects of adopting the technical scheme are that by using PLC control heating tube to circulation bath
Interior recycle oil is heated, and accurately control heat exchange unit accurately controls the circulation oil temperature in circulation bath,
It is indirectly controlled the solution temperature in reaction kettle using recycle oil, temperature controlled processes are softer and accurate, it is ensured that reaction kettle
Normal production；The utility model, as refrigeration unit, passes through Frequency Converter Control compressor motor internal using frequency-changeable compressor
Revolving speed, and then change refrigerating capacity, when system needs to heat, PLC controls heating tube heat cycles oil, when system needs to freeze
When, only it need to can be obtained corresponding refrigerating capacity using the working frequency that PLC adjusts compressor.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is Principle of Compressor Refrigeration figure.
Specific embodiment
Below with reference to the attached drawing in the utility model embodiment, the technical scheme in the embodiment of the utility model is carried out clear
Chu is fully described by, it is clear that and described embodiment is only a part of the embodiment of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
Many details are explained in the following description in order to fully understand the utility model, but this is practical new
Type can also be implemented using other than the one described here other way, and those skilled in the art can be without prejudice to this reality
With doing similar popularization in the case where novel intension, therefore the utility model is not limited by the specific embodiments disclosed below.
As shown in Figure 1, the utility model discloses a kind of reaction kettle heating device, including host computer, PLC module, circulation
Bath, pump, heating tube and cooling back installation, circulation bath in be perfused recycle oil, the circulation bath liquid outlet by pump with
Pipeline connects the fluid inlet end of reacting kettle jacketing, and the liquid outlet end of reacting kettle jacketing connects entering for circulation bath by pipeline
Mouth end, the host computer are communicated by 232 interfaces with PLC module, and the signal output end of PLC module passes through 485 interfaces and frequency conversion
The connection of device control terminal, the power end of frequency converter voltage output end connect compressor, the heat exchange part of cooling back installation is in circulation
In bath, heating tube is installed in the circulation bath；It is respectively mounted temperature sensor PT100 0 in the reaction kettle and circulation bath,
0 signal output end of temperature sensor PT100 connects PLC signal input part, the heating tube control terminal connection PLC signal output
End；The cooling back installation includes compressor, condenser, throttle valve and evaporator, and evaporator immerses the circulation of circulation bath
In oil, evaporator both ends are separately connected compressor and condenser, and condenser is exported by condenser pipe connect compressor, condenser with
Throttle valve is set between evaporator.
In the specific application process, the temperature sensor for being mounted on reaction kettle and recycling in bath transmits analog electrical signal
To PLC module, Electric signal processing is converted into temperature value by the temperature measurement module of PLC module, and passes to host computer, and host computer receives
Corresponding control signal is calculated according to control algolithm after temperature signal, and control signal is fed back into PLC module, and then PLC
Module realizes the control to heating tube and frequency converter according to control signal, and heating tube is used for the recycle oil in heat cycles bath,
The working frequency of Frequency Converter Control compressor, and by means of condenser and evaporator to the recycle oil system in circulation bath
It is cold.
In short, the utility model heats the recycle oil in circulation bath by using PLC control heating tube, and essence
Really control heat exchange unit accurately controls the circulation oil temperature in circulation bath, is indirectly controlled reaction using recycle oil
Solution temperature in kettle, temperature controlled processes are softer and accurate, it is ensured that the normal production of reaction kettle；The utility model uses
Frequency-changeable compressor is as refrigeration unit, by Frequency Converter Control compressor motor internal revolving speed, and then changes refrigerating capacity, works as system
When needing to heat, PLC controls heating tube heat cycles oil, and when system needs to freeze, the work of compressor need to be only adjusted using PLC
Working frequency can be obtained corresponding refrigerating capacity.
Claims (3)
1. a kind of reaction kettle heating device, it is characterised in that: including host computer, PLC module, circulation bath, pump, heating tube and follow
Ring cooling device, circulation bath is interior to be perfused recycle oil, and the circulation bath liquid outlet connects reacting kettle jacketing with pipeline by pump
Fluid inlet end, the liquid outlet end of reacting kettle jacketing connects the arrival end of circulation bath by pipeline, and the host computer is logical
It crosses 232 interfaces to communicate with PLC module, the signal output end of PLC module is connect by 485 interfaces with Frequency Converter Control end, frequency conversion
The power end of device voltage output end connect compressor, the heat exchange part of cooling back installation in circulation bath, bathe by the circulation
Heating tube is installed in slot.
2. reaction kettle heating device according to claim 1, it is characterised in that: pacify in the reaction kettle and circulation bath
Temperature sensor PT100 0 is filled, 0 signal output end of temperature sensor PT100 connects PLC signal input part, the heating tube control
End connection PLC signal output end.
3. reaction kettle heating device according to claim 2, it is characterised in that: the cooling back installation includes compression
Machine, condenser, throttle valve and evaporator, evaporator immerse in the recycle oil of circulation bath, and evaporator both ends are separately connected compression
Machine and condenser, condenser are exported by condenser pipe connect compressor, and throttle valve is arranged between condenser and evaporator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018597.2U CN208569432U (en) | 2018-06-29 | 2018-06-29 | Reaction kettle heating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821018597.2U CN208569432U (en) | 2018-06-29 | 2018-06-29 | Reaction kettle heating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208569432U true CN208569432U (en) | 2019-03-01 |
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ID=65488404
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821018597.2U Active CN208569432U (en) | 2018-06-29 | 2018-06-29 | Reaction kettle heating device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208569432U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318679A (en) * | 2021-05-28 | 2021-08-31 | 重庆化工职业学院 | Circulation reaction kettle |
-
2018
- 2018-06-29 CN CN201821018597.2U patent/CN208569432U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113318679A (en) * | 2021-05-28 | 2021-08-31 | 重庆化工职业学院 | Circulation reaction kettle |
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