CN214439009U - Reaction kettle heating system - Google Patents
Reaction kettle heating system Download PDFInfo
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- CN214439009U CN214439009U CN202023215810.9U CN202023215810U CN214439009U CN 214439009 U CN214439009 U CN 214439009U CN 202023215810 U CN202023215810 U CN 202023215810U CN 214439009 U CN214439009 U CN 214439009U
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Abstract
The utility model discloses a reation kettle heating system, including reation kettle, winding tubular heat exchanger, steam conduit, first temperature transmitter and DCS control system. A coil pipe is arranged in the reaction kettle. The winding tube type heat exchanger comprises a liquid channel and a heat exchange tube wound on the outer wall of the liquid channel, circulating water is arranged in the liquid channel, the outlet of the liquid channel is communicated with the inlet of the coil, and the inlet of the liquid channel is communicated with the outlet of the coil through a first circulating pump. The steam pipeline is communicated with the inlet end of the heat exchange pipe through a steam control valve. The first temperature transmitter is arranged in the reaction kettle. DCS control system and first temperature transmitter and the equal electric connection of steam control valve. The utility model discloses the reactant in the reation kettle heating system can guarantee that reation kettle is heated evenly, improves the controllability of reaction, improves the simple operation nature, realizes the accurate control to temperature in the reation kettle to temperature in can the automatically regulated reation kettle, realize the thermostatic control to the heat sensitivity material.
Description
Technical Field
The utility model relates to a reactor field of synthetic chemical substance, specifically a reation kettle heating system.
Background
The reaction kettle is a reaction device commonly used in chemical synthesis. When a reaction kettle is used for heating the heat-sensitive resin, the traditional method is to introduce steam into a coil pipe in the reaction kettle, and the temperature of the heat-sensitive resin in the reaction kettle is rapidly raised by utilizing the steam.
By adopting a steam heating mode, the steam temperature of each area of the reaction kettle can be different, so that local temperature difference is caused, the local heating of the thermosensitive resin in the reaction kettle is not uniform, and the adverse effect is caused on the reaction process.
Through research discovery, with heating medium by steam for the circulating water, can effectively solve the problem of reation kettle local difference in temperature. Based on the above, there is a need for an improved heating system for a reaction kettle to improve the heating effect.
SUMMERY OF THE UTILITY MODEL
In order to overcome the defect among the prior art, the utility model provides a reation kettle heating system, it can guarantee that the reactant in the reation kettle is heated evenly, improves the controllability of reaction, improves the simple operation nature, realizes the accurate control to temperature in the reation kettle to temperature in can the automatically regulated reation kettle realizes the thermostatic control to the heat sensitivity material.
The utility model discloses a reation kettle heating system, include:
the reaction kettle is internally provided with a coil pipe;
the winding pipe type heat exchanger comprises a liquid channel and a heat exchange pipe wound on the outer wall of the liquid channel, circulating water is arranged in the liquid channel, an outlet of the liquid channel is communicated with an inlet of the coil pipe, and an inlet of the liquid channel is communicated with an outlet of the coil pipe through a first circulating pump, so that the circulating water can flow in the coil pipe;
the steam pipeline is communicated with the inlet end of the heat exchange pipe through a steam control valve so as to input steam into the heat exchange pipe;
the first temperature transmitter is arranged in the reaction kettle to detect the temperature in the reaction kettle; and
DCS control system, DCS control system with first temperature transmitter with the equal electric connection of steam control valve to when temperature in the reation kettle reaches the default, first temperature transmitter can transmit signal extremely DCS control system, so that DCS control system control steam control valve reduces the aperture.
Preferably, the inlet of the liquid passage is communicated with the outlet of the coil pipe through a first pipeline, the first circulating pump is communicated with the first pipeline, and a first one-way valve is arranged between the first circulating pump and the liquid passage.
Preferably, the first pipeline is communicated with a first branch pipe, the inlet end of the first branch pipe is communicated between the first circulating pump and the coil pipe, the outlet end of the first branch pipe is communicated between the first one-way valve and the liquid passage, and the first branch pipe is communicated with a second circulating pump.
Still further preferably, a second check valve is provided between the second circulation pump and the outlet end of the first branch pipe.
Still further preferably, the first branch pipe is communicated with a second branch pipe, an inlet end of the second branch pipe is communicated between the second circulating pump and the inlet end of the first branch pipe, an outlet end of the second branch pipe is communicated with a liquid collecting system, and the second branch pipe is provided with a first drain valve.
Preferably, the outlet end of the heat exchange tube is communicated with a drain pipeline, and the drain pipeline is communicated with a second drain valve.
Preferably, the outlet of the liquid channel is communicated with the inlet of the coil pipe through a second pipeline, and a second temperature transmitter is arranged in the second pipeline.
Preferably, a pressure sensor is arranged in the reaction kettle.
The utility model has the advantages as follows:
the utility model discloses reation kettle heating system reforms transform through the former heating system to reation kettle, change the heating medium in the coil into the circulating water by steam, thereby can guarantee that the reactant in the reation kettle is heated evenly, improve the controllability of reaction, improve the simple operation nature, heat the circulating water through setting up winding tubular heat exchanger, realize the high heat transfer efficiency of steam to the circulating water, reduce energy loss, it is chain with the steam control valve through DCS control system simultaneously, realize the accurate control to temperature in the reation kettle, and can the interior temperature of automatically regulated reation kettle, realize the thermostatic control to the heat-sensitive material.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of a heating system of a reaction kettle according to an embodiment of the present invention;
reference numerals of the above figures: 1-a reaction kettle; 2-a coil pipe; 3-a liquid channel; 4-heat exchange tube; 5-a steam pipeline; 6-steam control valve; 7-a first temperature transmitter; 8-a first pipeline; 9-a first circulation pump; 10-a first one-way valve; 11-a first branch pipe; 12-a second circulation pump; 13-a second one-way valve; 14-a second branch pipe; 15-a first trap; 16-a drain line; 17-a second trap; 18-a second conduit; 19-a second temperature transmitter; 20-a pressure sensor; 21-a first valve; 22-a second valve; 23-third one-way valve.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1, the present embodiment provides a reaction kettle heating system, which includes a reaction kettle 1, a wound tube heat exchanger, a steam pipeline 5, a first temperature transmitter 7 and a DCS control system.
A coil 2 is arranged in the reaction kettle 1. The coil 2 is used for heating the reactant in the reaction kettle 1.
The wound tube type heat exchanger includes a liquid channel 3 and a heat exchange tube 4 wound around an outer wall of the liquid channel 3.
Circulating water is arranged in the liquid channel 3. The outlet of the liquid passage 3 is communicated with the inlet of the coil 2, and the inlet of the liquid passage 3 is communicated with the outlet of the coil 2 through a first circulation pump 9, so that the circulating water can flow in the coil 2. By operating the first circulation pump 9, a circulation path is formed between the liquid passage 3 and the coil 2.
The steam pipeline 5 is communicated with the inlet end of the heat exchange tube 4 through a steam control valve 6, and water vapor flows through the steam pipeline 5 so as to input steam into the heat exchange tube 4. The steam in the heat exchange pipe 4 can heat the circulating water in the liquid channel 3. Thus, the circulating water heated in the liquid channel 3 enters the coil 2, and the circulating water in the coil 2 exchanges heat with the reactant in the reaction kettle 1 and then flows into the liquid channel 3 to be heated.
The first temperature transmitter 7 is arranged in the reaction kettle 1 to detect the temperature in the reaction kettle 1.
DCS control system with first temperature transmitter 7 with steam control valve 6 all electric connection to when the temperature in reation kettle 1 reaches the default, first temperature transmitter 7 can transmit the signal to DCS control system, so that DCS control system control steam control valve 6 reduces the aperture. After the opening degree of the steam control valve 6 is reduced, the flow rate of steam is reduced, so that the temperature of circulating water is reduced, and a series of side reactions and other high-temperature hazards caused by the fact that the temperature in the reaction kettle 1 exceeds a preset value are avoided.
This embodiment reation kettle heating system reforms transform reation kettle 1's former heating system, change the heating medium in coil pipe 2 into the circulating water by steam, thereby can guarantee that the reactant in reation kettle 1 is heated evenly, improve the controllability of reaction, improve the simple operation nature, heat the circulating water through setting up winding tubular heat exchanger, realize the high heat transfer efficiency of steam to the circulating water, reduce energy loss, it is chain with steam control valve 6 through DCS control system simultaneously, realize the accurate control to reation kettle 1 internal temperature, and can the interior temperature of automatically regulated reation kettle 1, realize the thermostatic control to the heat-sensitive material.
The inlet of the liquid channel 3 is communicated with the outlet of the coil 2 through a first pipeline 8, the first circulating pump 9 is communicated with the first pipeline 8, and a first one-way valve 10 is arranged between the first circulating pump 9 and the liquid channel 3. Through the setting of first check valve 10, avoid circulating water reverse flow to improve reation kettle heating system's heating efficiency.
A first branch pipe 11 is communicated with the first pipeline 8, the inlet end of the first branch pipe 11 is communicated between the first circulating pump 9 and the coil 2, the outlet end of the first branch pipe 11 is communicated between the first one-way valve 10 and the liquid passage 3, and a second circulating pump 12 is communicated with the first branch pipe 11. A second check valve 13 is provided between the second circulation pump 12 and the outlet end of the first branch pipe 11 to prevent the circulation water from flowing reversely, thereby improving the heating efficiency.
By providing the first branch pipe 11 and the second circulation pump 12, a backup passage is formed. That is, the circulating water can flow through the coil 2 and the first pipe line 8, and the circulating water can also flow through the coil 2 and the first branch pipe 11. In other words, the circulating water can flow from the outlet of the coil 2 into the first pipe 8, pass through the first circulating pump 9 and the first check valve 10 in sequence, and then enter the liquid channel 3. The circulating water can also flow into the first branch pipe 11 from the outlet of the coil 2, pass through the second circulation pump 12 and the second check valve 13 in this order, and then enter the liquid passage 3. Thereby, when the first circulation pump 9 malfunctions, the second circulation pump 12 can be started, so that the normal progress of production can be maintained.
A first valve 21 is arranged between the first circulation pump 9 and the inlet end of the first branch pipe 11 and a second valve 22 is arranged between the inlet end of the first branch pipe 11 and the second circulation pump 12. A third one-way valve 23 is provided between the inlet end of the first branch 11 and the outlet end of the coil 2. When the first circulation pump 9 is used, the first valve 21 is opened and the second valve 22 is closed. When the second circulation pump 12 is used, the second valve 22 is opened and the first valve 21 is closed.
The first branch pipe 11 is communicated with a second branch pipe 14, and the inlet end of the second branch pipe 14 is communicated between the second circulation pump 12 and the inlet end of the first branch pipe 11. The second branch pipe 14 is arranged between the second valve 22 and the inlet end of the first branch pipe 11, the outlet end of the second branch pipe 14 being in communication with the liquid collection system. The second branch pipe 14 is provided with a first trap 15. Thus, when the circulating water needs to be replaced, the first trap 15 is opened to discharge the circulating water from the second branch pipe 14. When the reaction kettle heating system is reused, new circulating water is input into the liquid channel 3 of the winding tube type heat exchanger.
The outlet end of the heat exchange tube 4 is communicated with a drain pipeline 16, and the drain pipeline 16 is communicated with a second drain valve 17. Whereby the condensed liquid in the heat exchange tube 4 can be discharged.
The outlet of the liquid channel 3 is communicated with the inlet of the coil 2 through a second pipeline 18. A second temperature transmitter 19 is provided in the second pipe 18. The second temperature transmitter 19 is electrically connected to the DCS control system. When the temperature in the second pipeline 18 reaches the threshold value, the second temperature transmitter 19 can transmit a signal to the DCS control system, so that the DCS control system controls the steam control valve 6 to reduce the opening degree, thereby preventing the pipeline from being damaged due to the overhigh temperature of the second pipeline 18.
A pressure sensor 20 is arranged in the reaction kettle 1 to monitor the pressure in the reaction kettle 1 in real time, and when the pressure is too high, measures are needed to avoid causing adverse effects.
The utility model discloses the principle and the implementation mode of the utility model are explained by applying the concrete embodiment, and the explanation of the above embodiment is only used for helping to understand the technical scheme and the core idea of the utility model; meanwhile, for the general technical personnel in the field, according to the idea of the present invention, there are changes in the specific implementation and application scope, to sum up, the content of the present specification should not be understood as the limitation of the present invention.
Claims (8)
1. A reactor heating system, comprising:
the reaction kettle is internally provided with a coil pipe;
the winding pipe type heat exchanger comprises a liquid channel and a heat exchange pipe wound on the outer wall of the liquid channel, circulating water is arranged in the liquid channel, an outlet of the liquid channel is communicated with an inlet of the coil pipe, and an inlet of the liquid channel is communicated with an outlet of the coil pipe through a first circulating pump, so that the circulating water can flow in the coil pipe;
the steam pipeline is communicated with the inlet end of the heat exchange pipe through a steam control valve so as to input steam into the heat exchange pipe;
the first temperature transmitter is arranged in the reaction kettle to detect the temperature in the reaction kettle; and
DCS control system, DCS control system with first temperature transmitter with the equal electric connection of steam control valve to when temperature in the reation kettle reaches the default, first temperature transmitter can transmit signal extremely DCS control system, so that DCS control system control steam control valve reduces the aperture.
2. The heating system of claim 1, wherein the inlet of the liquid channel and the outlet of the coil are communicated through a first pipeline, the first circulation pump is communicated with the first pipeline, and a first one-way valve is arranged between the first circulation pump and the liquid channel.
3. The heating system of claim 2, wherein the first pipeline is connected to a first branch pipe, an inlet end of the first branch pipe is connected between the first circulating pump and the coil pipe, an outlet end of the first branch pipe is connected between the first one-way valve and the liquid passage, and the first branch pipe is connected to a second circulating pump.
4. The reactor heating system of claim 3, wherein a second one-way valve is disposed between the second circulation pump and the outlet end of the first branch pipe.
5. The heating system of claim 3, wherein the first branch pipe is communicated with a second branch pipe, an inlet end of the second branch pipe is communicated between the second circulating pump and an inlet end of the first branch pipe, an outlet end of the second branch pipe is communicated with the liquid collecting system, and the second branch pipe is provided with a first drain valve.
6. The reactor heating system of claim 1, wherein the outlet end of the heat exchange tube is in communication with a drain line, the drain line being in communication with a second drain valve.
7. The reactor heating system of claim 1, wherein the outlet of the liquid channel and the inlet of the coil are in communication via a second conduit, and a second temperature transmitter is disposed in the second conduit.
8. The reactor heating system of claim 1, wherein a pressure sensor is disposed within the reactor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215810.9U CN214439009U (en) | 2020-12-28 | 2020-12-28 | Reaction kettle heating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023215810.9U CN214439009U (en) | 2020-12-28 | 2020-12-28 | Reaction kettle heating system |
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| CN214439009U true CN214439009U (en) | 2021-10-22 |
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| CN202023215810.9U Active CN214439009U (en) | 2020-12-28 | 2020-12-28 | Reaction kettle heating system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044531A (en) * | 2021-11-24 | 2022-02-15 | 李枭 | Production equipment and production process of magnesium hydroxide |
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2020
- 2020-12-28 CN CN202023215810.9U patent/CN214439009U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114044531A (en) * | 2021-11-24 | 2022-02-15 | 李枭 | Production equipment and production process of magnesium hydroxide |
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