Jacketed reaction kettle
By using flow control metering monitoring valves and weighing sensors in the jacketed reactor to control the circulation speed and liquid level height of the medium, and replacing the high-temperature gas through the cooling and circulation of the gas circulation pipeline, the problem of low heat exchange efficiency between the medium and the reaction substance is solved, and efficient heat exchange and energy consumption savings are achieved.
Patent Information
- Application Number
- CN202420562938.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-03-22
- Publication Date
- 2025-03-04
- Estimated Expiration
- 2034-03-22
AI Technical Summary
The heat exchange efficiency between the medium and the reaction substance in the jacketed reactor is low, resulting in increased consumption and the temperature in the reactor cannot be effectively controlled.
By setting a flow control metering monitoring valve and weighing sensor in the jacketed reactor, the circulation speed and liquid level height of the medium are controlled, useless heat exchange is reduced, and the high-temperature gas is cooled and circulated through the gas circulation pipeline to improve heat exchange efficiency.
It realizes efficient heat exchange between the medium and the reaction substance, saves temperature control water, reduces energy consumption, and improves the accuracy of temperature control in the reactor.
Smart Images
Figure CN222550888U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of reaction kettle equipment. Background Art
[0002] Jacketed reactor is a kind of reaction equipment widely used in chemical industry, pharmaceutical industry and other fields. It has the characteristics of high efficiency, safety and reliability. Jacketed reactor is composed of inner shell, jacket, agitator, transmission mechanism, heating and cooling system. The working principle of jacketed reactor is to control the temperature of reaction system by heat conduction medium flowing in jacket. When the reaction system needs to be heated, the heating system supplies heat to the medium flowing in jacket to increase the temperature of reaction system. On the contrary, the cooling system supplies cold to the medium flowing in jacket to reduce the temperature of reaction system. The agitator can fully mix the reactants and improve the reaction rate.
[0003] For some continuous production needs, the liquid level inside the jacketed reactor floats up and down, and the liquid level control is achieved by limiting the maximum and minimum liquid levels. When the maximum liquid level is critical, the liquid is stopped, and when the minimum liquid level is critical, the liquid is started. However, the medium in the jacket is always kept in full liquid level circulation. The high-temperature gas in the upper layer of the reactor will be exchanged with the medium at the high liquid level, and the exchanged gas will be sent out through the exhaust gas pipe. The temperature of the medium after the heat exchange changes, resulting in a decrease in the heat exchange efficiency between the medium and the reaction material. It can only be improved by speeding up the medium flow rate, which increases the consumption. It is necessary to make technical improvements to the above-mentioned technical problems and improve the heat consumption of the medium. Utility Model Content
[0004] The purpose of the utility model is to provide a jacketed reactor to solve the problems raised in the above background technology.
[0005] In order to achieve the above purpose, the utility model provides the following technical solutions:
[0006] A jacketed reactor comprises a reactor, a jacket, a medium input pipeline, a medium output pipeline and a control terminal. The jacket is installed on the outside of the reactor, and the top and bottom of the jacket are respectively provided with a medium input pipeline and a medium output pipeline, and the medium input pipeline and the medium output pipeline are both provided with a flow control metering monitoring valve. The reactor is fixed to a carrier through a weighing sensor, and the control terminal controls the circulation speed and liquid level height of the medium in the jacket through the weighing sensor and the numerical value of the flow control metering monitoring valve.
[0007] As a further solution of the utility model: the medium input pipeline is connected to the medium branch pipe through a three-way valve, the top of the reactor is connected to a gas circulation pipeline, and the medium branch pipe and the gas circulation pipeline are both connected to the heat exchanger.
[0008] As a further solution of the utility model: the output end of the medium branch pipe is connected to the medium output pipeline, and the high-temperature medium is delivered through the medium output pipeline.
[0009] As a further solution of the utility model: an air pump is installed on the gas circulation pipeline, and the air pump drives the gas above the liquid level inside the reactor to circulate, and the gas is injected into the reactor from the other side after passing through the heat exchanger.
[0010] As a further solution of the utility model: the medium liquid level in the jacket is higher than the liquid level in the reactor, and an agitator is arranged inside the reactor. When no stirring operation is performed, the medium liquid level in the jacket is five to ten centimeters higher than the liquid level in the reactor. When stirring operation is performed, the medium liquid level in the jacket is higher than the liquid level in the reactor by more than ten centimeters.
[0011] Compared with the prior art, the beneficial effects of the utility model are:
[0012] 1. The control terminal of the jacketed reactor calculates the liquid level of the material in the reactor through the measurement of the weighing sensor and the flow control metering monitoring valve, and controls the liquid level of the medium through the liquid level of the material in the reactor, thereby reducing useless heat exchange of the medium, saving water for temperature control, and reducing energy consumption.
[0013] 2. The jacketed reactor replaces the high-temperature gas in the reactor by circulating the gas in the reactor to quickly reduce the temperature of the material in the reactor. BRIEF DESCRIPTION OF THE DRAWINGS
[0014] Figure 1 It is a schematic diagram of the structure of a jacketed reactor.
[0015] In the figure: 1. Reactor; 2. Jacket; 3. Medium input pipeline; 4. Medium output pipeline; 5. Gas circulation pipeline; 6. Weighing sensor; 7. Flow control metering monitoring valve; 8. Control terminal; 9. Discharge pipeline; 10. Medium branch pipe; 11. Three-way valve; 12. Gas passes through heat exchanger. DETAILED DESCRIPTION
[0016] See also Figure 1In an embodiment of the utility model, a jacketed reactor comprises a reactor 1, a jacket 2, a medium input pipeline 3, a medium output pipeline 4 and a control terminal 8. The jacket 2 is installed on the outside of the reactor 1, and the top and bottom of the jacket 2 are respectively provided with a medium input pipeline 3 and a medium output pipeline 4, and a flow control metering monitoring valve 7 is provided on the medium input pipeline 3 and the medium output pipeline 4. The reactor 1 is fixed to the carrier through a weighing sensor 6, and the control terminal 8 controls the circulation speed and liquid level height of the medium in the jacket 2 through the weighing sensor 6 and the numerical value of the flow control metering monitoring valve 7. The flow control metering monitoring valve 7 is a prior art, and has functions such as remote control, flow rate, flow velocity, and metering. The flow control metering monitoring valve 7 is controlled by the control terminal 8. The flow control metering monitoring valve 7 on the medium input pipeline 3 and the medium output pipeline 4 respectively monitors the liquid inlet and liquid outlet, and calculates the volume of the medium in the jacket 2 according to the liquid inlet and liquid outlet, and calculates the volume of the medium in the jacket 2 according to the medium inlet and liquid outlet. The liquid level of the medium is calculated by the mass volume and the capacity of the jacket 2. The weighing sensor 6 removes the weight of the reactor 1, the remaining medium weight and the weight of the material in the reactor, and calculates the medium weight through the medium volume and medium density, thereby obtaining the weight of the material in the reactor. The liquid level in the reactor is calculated by the weight of the material in the reactor and the material density. The control terminal 8 controls the liquid level of the medium through the flow control metering monitoring valve 7 according to the liquid level in the reactor. The liquid level of the medium in the jacket 2 is higher than the liquid level in the reactor 1. An agitator is arranged inside the reactor 1. When there is no stirring operation, the liquid level of the medium in the jacket 2 is five to ten centimeters higher than the liquid level in the reactor 1. When stirring operation is performed, the liquid level of the medium in the jacket 2 is higher than the liquid level in the reactor 1 by more than ten centimeters, ensuring that the liquid level of the medium can still cover the liquid level in the reactor during stirring operation, thereby reducing useless heat exchange of the medium and enabling it to directly exchange heat with the material of the relative liquid level in the reactor, thereby saving a large amount of water for temperature control and reducing energy consumption.
[0017] In a preferred embodiment, the medium input pipeline 3 is connected to the medium branch pipe 10 through a three-way valve 11, and the top of the reactor 1 is connected to a gas circulation pipeline 5. The medium branch pipe 10 and the gas circulation pipeline 5 are both connected to a heat exchanger 12. In the case of rapid heat increase and urgent cooling and temperature control, the jacket 2 has been working at full efficiency and still cannot control the temperature. The high-temperature gas in the reactor can be cooled and circulated through the gas circulation pipeline 5, and the cooled gas can directly contact the substance in the reactor 1 to efficiently cool it.
[0018] In a preferred embodiment, the output end of the medium branch pipe 10 is connected to the medium output pipeline 4, and the high-temperature medium is delivered through the medium output pipeline 4. The other side of the medium output pipeline 4 is connected to a medium cooling tower, and the medium is cooled and recycled after being delivered.
[0019] In a preferred embodiment, an air pump is installed on the gas circulation pipeline 5 to drive the gas above the liquid level inside the reactor 1 to circulate, and the gas is injected into the other side of the reactor 1 after passing through the heat exchanger 12.
[0020] It should be noted that the above embodiments all belong to the same utility model concept, and the description of each embodiment has its own focus. For matters that are not described in detail in some embodiments, reference can be made to the description in other embodiments.
[0021] The above-mentioned embodiments only express the implementation methods of the utility model, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the utility model patent. It should be pointed out that for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the utility model, and these all belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent shall be based on the attached claims.
Claims
1. A jacketed reactor, comprising a reactor (1), a jacket (2), a medium input pipeline (3), a medium output pipeline (4) and a control terminal (8), wherein the jacket (2) is installed on the outside of the reactor (1), and the top and bottom of the jacket (2) are respectively provided with a medium input pipeline (3) and a medium output pipeline (4), characterized in that: The medium input pipeline (3) and the medium output pipeline (4) are both provided with a flow control metering monitoring valve (7). The reactor (1) is fixed to the carrier via a weighing sensor (6). The control terminal (8) controls the circulation speed and liquid level of the medium in the jacket (2) via the weighing sensor (6) and the numerical value of the flow control metering monitoring valve (7).
2. A jacketed reactor according to claim 1, characterized in that: The medium input pipeline (3) is connected to the medium branch pipe (10) via a three-way valve (11); the top of the reaction kettle (1) is connected to a gas circulation pipeline (5); and both the medium branch pipe (10) and the gas circulation pipeline (5) are connected to a heat exchanger (12).
3. A jacketed reactor according to claim 2, characterized in that: The output end of the medium branch pipe (10) is connected to the medium output pipeline (4), and the high-temperature medium is delivered through the medium output pipeline (4).
4. A jacketed reactor according to claim 2, characterized in that: An air pump is installed on the gas circulation pipeline (5), and the air pump drives the gas above the liquid level inside the reactor (1) to circulate. The gas passes through the heat exchanger (12) and is then injected into the reactor (1) from the other side.
5. A jacketed reactor according to any one of claims 1 to 4, characterized in that: The liquid level of the medium in the jacket (2) is higher than the liquid level in the reactor (1). A stirrer is arranged inside the reactor (1). When the stirring operation is not performed, the liquid level of the medium in the jacket (2) is higher than the liquid level in the reactor (1) by five to ten centimeters. When the stirring operation is performed, the liquid level of the medium in the jacket (2) is higher than the liquid level in the reactor (1) by more than ten centimeters.