High-temperature reaction device for preventing instant vaporization of circulating water
By introducing a heat exchanger and a circulating water tank into the high-temperature reactor system, combined with interlocking control and steam preheating, the problems of equipment corrosion and water hammer caused by circulating water vaporization were solved, achieving stable equipment operation and resource conservation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-14
- Publication Date
- 2026-04-10
AI Technical Summary
In high-temperature reactors, the circulating water vaporizes instantly due to the large temperature difference between the inlet and outlet, causing equipment corrosion and water hammer, which affects the stability and lifespan of the equipment.
A heat exchanger and a circulating water tank are added to the high-temperature reactor system. Liquid level indicator interlock and temperature alarm interlock are set up. The circulating water is preheated with steam and the temperature is controlled by the heat exchanger to reduce the temperature difference and prevent the circulating water from vaporizing.
It effectively prevents the vaporization of circulating water, reduces equipment corrosion and vibration, extends equipment life, reduces steam consumption, and saves resources.
Smart Images
Figure CN224100686U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of chemical industry, especially relate to a high temperature reaction device of preventing instant vaporization of circulating water. BACKGROUND
[0002] The product A of our company utilizes high temperature reaction kettle to carry out synthetic reaction in the production process, needs utilizing circulating water to strictly control reaction system temperature in the reaction process, avoids appearing over temperature and over pressure time, ensures the stable production process. In the production process, because the circulating water inlet temperature is low (generally about 25 DEG C), the high temperature reaction kettle reaction temperature is about 200 DEG C, the circulating water temperature of kettle inner coil and jacket is about 95 DEG C, due to the large temperature difference of circulating water inlet and outlet, part of circulating water will have instant vaporization after entering the coil and jacket of high temperature reaction kettle, leads to the increase of chloride ion of coil and jacket, accelerates the corrosion of equipment, simultaneously, the temperature difference of coil and jacket circulating water inlet and outlet is large, produces water hammer phenomenon, leads to the large vibration of high temperature reaction kettle circulating water pipeline, leads to the damage of equipment. In order to solve the above problems, utilize the existing equipment to design a set of temperature control requirement that can meet production and can avoid the corrosion problem of circulating water vaporization and water hammer phenomenon caused by large temperature difference. SUMMARY
[0003] Therefore, the utility model aims at overcoming the defects in the prior art, and provides a high temperature reaction device for preventing instant vaporization of circulating water.
[0004] To achieve the above object, the technical scheme of the utility model is as follows:
[0005] A high temperature reaction device for preventing instant vaporization of circulating water, comprising a high temperature reaction kettle, a circulating water tank and a heat exchanger, the high temperature reaction kettle is provided with a jacket, the jacket is connected with the heat exchanger through a pipeline, and the heat exchanger is connected with the circulating water tank through a pipeline.
[0006] A liquid level indication interlock and a temperature alarm interlock are arranged on the circulating water tank, a steam inlet, a steam outlet, a circulating water inlet, a circulating water outlet and a liquid supplementing port are arranged on the circulating water tank, an adjusting valve is arranged at the steam inlet, the adjusting valve is connected with the temperature alarm interlock, a shut-off valve is arranged at the liquid supplementing port, and the shut-off valve is connected with the liquid level indication interlock.
[0007] Further, an inlet and an outlet are arranged on the jacket, the inlet is connected with a cold medium outlet of the heat exchanger through a pipeline, a hot medium inlet of the heat exchanger is connected with the outlet through a pipeline, and a shut-off valve is arranged at the inlet.
[0008] A DCS system and an SIS system are arranged at the inlet of the jacket.
[0009] Further, the high-temperature reaction kettle is provided with a coil inlet and a coil outlet, and a reaction kettle coil is arranged in the high-temperature reaction kettle, one end of the reaction kettle coil is connected with the heat medium inlet of the heat exchanger through the coil outlet, and the other end is connected with the cold medium outlet of the heat exchanger through the coil inlet.
[0010] Further, the circulating water outlet is connected with the cold medium inlet of the heat exchanger through a water pump, and the circulating water inlet is connected with the heat medium outlet of the heat exchanger through a pipeline.
[0011] Further, the circulating water tank is internally provided with a steam coil, one end of the steam coil is connected with the steam inlet, and the other end is connected with the steam outlet.
[0012] Compared with the prior art, the high-temperature reaction device for preventing instantaneous vaporization of circulating water has the following advantages:
[0013] The high-temperature reaction device for preventing instantaneous vaporization of circulating water increases the heat exchanger and the circulating water tank on the basis of the original high-temperature reaction kettle, increases the liquid level indication interlocking in the circulating water, interlocks the liquid level indication interlocking with the cut-off valve, increases the temperature alarm interlocking, interlocks the temperature alarm interlocking with the regulating valve, simultaneously increases the steam coil in the circulating water tank to preliminarily heat the circulating water, then heats the circulating water outlet water of the high-temperature reaction kettle through the heat exchanger, reduces the temperature difference of the high-temperature reaction kettle coil and the jacket, avoids instantaneous vaporization and water hammer phenomenon of the circulating water due to the large temperature difference, and reduces equipment corrosion and vibration to cause equipment damage.
[0014] The high-temperature reaction device for preventing instantaneous vaporization of circulating water solves the problems of chlorine ion content increase caused by vaporization of the circulating water, equipment corrosion phenomenon, water hammer phenomenon caused by a large temperature difference, large equipment vibration and equipment damage, the high-temperature reaction device has simple modification technology and low cost, and can be widely used. BRIEF DESCRIPTION OF DRAWINGS
[0015] The accompanying drawings, which form a part of the present application, are used to provide further understanding of the present application, and the illustrative embodiments of the present application and their description serve the purpose of explaining the present application. In the drawings:
[0016] Figure 1 A schematic view of the high-temperature reaction device for preventing instantaneous vaporization of circulating water.
[0017] MARKET DESCRIPTION:
[0018] 1. High temperature reactor; 2, circulating water tank; 3, heat exchanger; 4, water pump; 11, jacket; 12, liquid inlet; 13, liquid outlet; 14, reactor coil; 15, coil inlet; 16, coil outlet; 21, liquid level indication interlock; 22, temperature alarm interlock; 23, steam inlet; 24, regulating valve; 25, steam outlet; 26, circulating water inlet; 27, liquid supplement inlet; 28, cut-off valve; 29, circulating water outlet; 210, steam coil. DETAILED DESCRIPTION
[0019] It should be noted that the embodiments in the present application and the features in the embodiments can be combined with each other without conflict.
[0020] In the description of the present application, it should be understood that the orientation or position relationship indicated by the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by "first", "second" and the like can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.
[0021] In the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounting", "connection", "connection" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication between two elements inside. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.
[0022] The present application will be described in detail below with reference to the drawings and in combination with the embodiments.
[0023] As Figure 1The utility model discloses a high temperature reaction device for preventing the instant vaporization of circulating water, which comprises a high temperature reaction kettle 1, a circulating water tank 2 and a heat exchanger 3. The high temperature reaction kettle 1 is provided with a jacket 11. The jacket 11 is connected to the heat exchanger 3 through a pipeline. The heat exchanger 3 is connected to the circulating water tank 2 through a pipeline. The circulating water tank 2 is provided with a liquid level indicating interlock 21 and a temperature alarm interlock 22. The circulating water tank 2 is provided with a steam inlet 23, a steam outlet 25, a circulating water inlet 26, a circulating water outlet 29 and a liquid supplementing port 27. The steam inlet 23 is provided with an adjusting valve 24. The adjusting valve 24 is connected to the temperature alarm interlock 22. The liquid supplementing port 27 is provided with a shut-off valve 28. The shut-off valve 28 is connected to the liquid level indicating interlock 21.
[0024] The jacket 11 is provided with an inlet 12 and an outlet 13. The inlet 12 is connected to the cold medium outlet of the heat exchanger 3 through a pipeline. The hot medium inlet of the heat exchanger 3 is connected to the outlet 13 through a pipeline. The inlet 12 is provided with a shut-off valve 28. The inlet 12 of the jacket 11 is provided with a DCS system and an SIS system. The high temperature reaction kettle 1 is provided with a coil inlet 15 and a coil outlet 16. The inside of the high temperature reaction kettle 1 is provided with a kettle coil 14. One end of the kettle coil 14 is connected to the hot medium inlet of the heat exchanger 3 through the coil outlet 16. The other end of the kettle coil 14 is connected to the cold medium outlet of the heat exchanger 3 through the coil inlet 15.
[0025] The circulating water outlet 29 is connected to the cold medium inlet of the heat exchanger 3 through a water pump 4. The circulating water inlet 26 is connected to the hot medium outlet of the heat exchanger 3 through a pipeline. The inside of the circulating water tank 2 is provided with a steam coil 210. One end of the steam coil 210 is connected to the steam inlet 23. The other end of the steam coil 210 is connected to the steam outlet 25.
[0026] The high temperature reaction device uses steam to preheat the circulating water in the circulating water tank 2. When the temperature reaches 35℃, the adjusting valve 24 of the steam inlet 23 is closed. The water pump 4 is used to deliver the circulating water to the jacket 11 and the kettle coil 14 of the high temperature reaction kettle 1 through the heat exchanger 3, so as to realize the temperature control effect. At the same time, the outlet water (95℃) of the high temperature reaction kettle 1 is used to preheat the inlet water of the high temperature reaction kettle 1 through the heat exchanger 3, so that the temperature of the circulating water reaches about 50℃, the vaporization and water hammer problems of the circulating water are eliminated, the steam usage is reduced, and the resource waste is avoided.
[0027] The high-temperature reaction device for preventing the instant vaporization of circulating water is suitable for the problem of the water hammer phenomenon caused by the large temperature difference of the circulating water in the production process, the instant vaporization of the circulating water in the jacket 11 and the coil, and the accelerated corrosion of the equipment caused by the increased concentration of chloride ions, and is suitable for the condition that the high-temperature reaction temperature is greater than or equal to 150 DEG C, and the cooling medium is the normal-temperature circulating water (about 25 DEG C).
[0028] The above merely describes the preferred embodiments of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.
Claims
1. A high-temperature reaction device for preventing instantaneous vaporization of circulating water, characterized in that: The high-temperature reaction kettle is provided with a jacket, the jacket is connected with the heat exchanger through a pipeline, and the heat exchanger is connected with the circulating water tank through a pipeline; The circulating water tank is provided with liquid level indication interlocking and temperature alarm interlocking, the circulating water tank is provided with a steam inlet, a steam outlet, a circulating water inlet, a circulating water outlet and a liquid supplementing port, the steam inlet is provided with an adjusting valve, the adjusting valve is connected with the temperature alarm interlocking, the liquid supplementing port is provided with a cut-off valve, and the cut-off valve is connected with the liquid level indication interlocking.
2. The high temperature reaction apparatus for preventing instantaneous vaporization of circulating water according to claim 1, characterized by: The jacket is provided with a liquid inlet and a liquid outlet, the liquid inlet is connected with a cold medium outlet of the heat exchanger through a pipeline, and a hot medium inlet of the heat exchanger is connected with the liquid outlet through a pipeline; and the liquid inlet is provided with a cut-off valve.
3. The high temperature reaction apparatus for preventing instantaneous vaporization of circulating water according to claim 2, characterized by: The high-temperature reaction kettle is provided with a coil inlet and a coil outlet, the inside of the high-temperature reaction kettle is provided with a reaction kettle coil, one end of the reaction kettle coil is connected with the hot medium inlet of the heat exchanger through the coil outlet, and the other end is connected with the cold medium outlet of the heat exchanger through the coil inlet.
4. The high temperature reaction apparatus for preventing instantaneous vaporization of circulating water according to claim 1, characterized by: The circulating water outlet is connected with the cold medium inlet of the heat exchanger through a water pump, and the circulating water inlet is connected with the hot medium outlet of the heat exchanger through a pipeline.
5. The high temperature reaction apparatus for preventing instantaneous vaporization of circulating water according to claim 4, characterized by: The inside of the circulating water tank is provided with a steam coil, one end of the steam coil is connected with the steam inlet, and the other end is connected with the steam outlet.