Electrical automatic control device for chemical reactor

Abstract

Disclosed in the present invention is an electrical automatic control device for a chemical reactor. The device comprises: a data collection apparatus, which is provided in a reactor; a wireless communication unit, which is connected to the data collection apparatus and is used for transmitting data; a control unit, which is connected to the wireless communication unit and is used for receiving a processing signal and sending a control instruction; an execution apparatus, which is mounted in the reactor and is connected to the control unit; a machine-interaction module, which is connected to the control unit; and a safety protection module, which is connected to the control unit and the execution apparatus, wherein the control unit compares data collected by the data collection apparatus with a preset threshold value, triggers an early-warning signal by means of the safety protection module when the collected data exceeds the preset threshold value, and then controls the execution apparatus to power on and off. By means of precisely controlling parameters, such as the temperature, the pressure, the stirring speed and the liquid level, in a reactor, the present invention can ensure that a chemical reaction is carried out under optimal conditions, thereby improving the reaction rate and yield.

Description

Chemical reaction kettle electric automatic control equipment TECHNICAL FIELD

[0001] The present application relates to the technical field of reaction kettle automatic control equipment, in particular to a chemical reaction kettle electric automatic control equipment. BACKGROUND

[0002] The chemical reaction kettle is a closed container used for chemical reactions in the chemical production process. By controlling the reaction temperature, pressure, stirring speed and other conditions, the raw materials can be chemically reacted under specific conditions to generate the required products. Traditional manual operation is not only inefficient, but also difficult to ensure the stability and safety of the reaction conditions. Therefore, it is particularly important to introduce an electric automatic control equipment to automatically control the chemical reaction kettle.

[0003] Based on the above technical problems, the present application provides a chemical reaction kettle electric automatic control equipment.

[0004] SUMMARY

[0005] The purpose of the present application is to provide a chemical reaction kettle electric automatic control equipment to solve the problems existing in the prior art.

[0006] To achieve the above-mentioned purpose, the present application provides the following scheme: the present application provides a chemical reaction kettle electric automatic control equipment, comprising:

[0007] The data acquisition device is arranged in the reaction kettle and is used for acquiring temperature data, pressure data and liquid level in the reaction kettle.

[0008] The wireless communication unit is connected with the data acquisition device and is used for transmitting data.

[0009] The control unit is connected with the wireless communication unit and is used for receiving and processing signals and issuing control instructions.

[0010] The execution device is installed in the reaction kettle and is connected with the control unit, and is used for receiving and executing the control instructions issued by the control unit.

[0011] The man-machine interaction module is connected with the control unit and is used for remote operation.

[0012] The safety protection module is connected with the control unit and the execution device, the control unit compares the data collected by the data acquisition device with the preset threshold value, when the collected data exceeds the preset threshold value, the safety protection module triggers an early warning signal, and the execution device is powered on or off.

[0013] According to the chemical reaction kettle electric automatic control equipment provided by the present application, the data acquisition device comprises a temperature sensor, a pressure sensor, a liquid level sensor, a signal transmitter and a positioner.

[0014] The temperature sensor, the pressure sensor, the liquid level sensor and the positioner are connected with the signal transmitter, and the signal transmitter is connected with the wireless communication unit for transmitting data.

[0015] The temperature sensor is used for measuring temperature data in the reaction kettle.

[0016] The pressure sensor is used for measuring pressure data in the reaction kettle.

[0017] The liquid level sensor is used for measuring liquid level data in the reaction kettle.

[0018] The wireless communication unit comprises a signal receiver and a LoRa gateway module.

[0019] The signal receiver is connected with the LoRa gateway module and the data acquisition device.

[0020] The LoRa gateway module is connected with the control unit and the safety protection module.

[0021] The control unit comprises a controller, a storage and a timer.

[0022] The controller generates a change curve graph with temperature, pressure and liquid level as horizontal axes and with acquired temperature data, pressure data and liquid level data as vertical axes, and sets upper and lower limits on the vertical axis of the change curve graph as preset thresholds, so that when the collected data exceeds or is lower than the preset value, the safety protection module controls the energization and de-energization of the execution device.

[0023] The execution device comprises a motor, a thermostat and a pressure relief valve.

[0024] The motor is installed on the top of the reaction kettle, and a stirring assembly is installed on the output shaft of the motor and extends into the reaction kettle.

[0025] The thermostat is installed at the bottom of the reaction kettle, and the thermostat is connected with the controller.

[0026] The pressure relief valve is installed on the side wall of the reaction kettle and is connected with the controller.

[0027] The safety protection module comprises a circuit switch, an indicator light and a buzzer.

[0028] The circuit switch is installed on the line of the motor, the thermostat and the pressure relief valve respectively, and is used for controlling the on-off of the motor, the thermostat and the pressure relief valve and the power supply respectively.

[0029] The indicator light is used for connecting the power supply according to the warning control signal to carry out light warning.

[0030] The buzzer is used for connecting the power supply according to the warning control signal to carry out sound warning.

[0031] The chemical reaction kettle electric automatic control equipment provided by the application has the man-machine interaction module adopting a mobile intelligent device.

[0032] The chemical reaction kettle electric automatic control equipment provided by the application has the LoRa gateway module adopting LoRa protocol ad hoc network communication for data transmission.

[0033] The application discloses the following technical effects:

[0034] The application improves production efficiency: by accurately controlling the temperature, pressure, stirring speed and liquid level height in the reaction kettle, the chemical reaction can be ensured to be carried out under optimal conditions, thereby improving the reaction rate and yield, and the automatic operation reduces manual intervention, so that the production process is smoother, and the overall production efficiency is improved.

[0035] The application improves product quality stability: automatic control can ensure the consistency of reaction conditions, avoid errors and fluctuations caused by manual operation, and help to produce products with more stable and uniform quality, thereby improving the market competitiveness of products.

[0036] The application reduces energy consumption and cost: by using the controller to control the operation of the actuator, the temperature, stirring speed and time of the reaction kettle and the internal pressure of the reaction kettle can be adjusted according to the actual needs of the reaction process, unnecessary energy waste is avoided, and the material loss and scrap rate in the production process are reduced, thereby reducing the overall production cost.

[0037] The application enhances production safety: the application can monitor various parameters in the reaction kettle in real time, and take timely measures when an abnormality occurs, such as automatically cutting off the heating source and switching the heating mode, to prevent accidents and reduce the safety risks caused by manual operation, thereby protecting the safety of production personnel.

[0038] The application facilitates remote monitoring and management: the remote monitoring and management can be realized through the setting of the man-machine interaction module, so that the production management personnel can understand the production situation in the control room in real time, improve the management efficiency, and the remote monitoring also facilitates timely discovery and solution of problems in production, thereby reducing the downtime caused by faults. BRIEF DESCRIPTION OF DRAWINGS

[0039] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the following will briefly introduce the drawings needed in the embodiments. Obviously, the drawings described below only illustrate some of the embodiments of the present application, and for those skilled in the art, other drawings can also be obtained without creative labor on the basis of these drawings.

[0040] Fig. 1 is a structural schematic diagram of the chemical reaction kettle electric automatic control equipment of the present application. DETAILED DESCRIPTION

[0041] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0042] In order to make the above-mentioned purposes, features and advantages of the present application more apparent and easy to understand, the present application will be further described in detail below with reference to the drawings and specific embodiments.

[0043] Referring to Fig. 1, the present application provides a chemical reaction kettle electric automatic control equipment, comprising: a data acquisition device arranged in a reaction kettle for acquiring temperature data, pressure data and liquid level height in the reaction kettle; a control unit connected with the wireless communication unit for receiving and processing signals and issuing control instructions;

[0044] an execution device installed in the reaction kettle and connected with the control unit for receiving and executing the control instructions issued by the control unit;

[0045] a man-machine interaction module connected with the control unit for remote operation;

[0046] a safety protection module connected with the control unit and the execution device, the control unit compares the data collected by the data acquisition device with the preset threshold value, and when the collected data exceeds the preset threshold value, triggers an early warning signal through the safety protection module, and controls the execution device to be powered on or powered off.

[0047] Further optimization scheme, the data acquisition device includes a temperature sensor, a pressure sensor, a liquid level height sensor, a signal transmitter and a positioner;

[0048] The temperature sensor, the pressure sensor, the liquid level height sensor and the positioner are connected with the signal transmitter, and the signal transmitter is connected with the wireless communication unit for transmitting data;

[0049] The temperature sensor is used for measuring the temperature data in the reaction kettle.

[0050] The pressure sensor is used for measuring the pressure data in the reaction kettle.

[0051] The liquid level sensor is used for measuring the liquid level data in the reaction kettle.

[0052] In this embodiment:

[0053] Temperature sensor: PT100, accuracy ±0.1℃, response time <1 second

[0054] Pressure sensor: range selected according to the design pressure of the reaction kettle, accuracy ±0.25%, explosion-proof grade ExdIICT6

[0055] Liquid level sensor: range selected according to the height of the reaction kettle, accuracy ±1mm

[0056] Further optimization scheme, the wireless communication unit includes signal receiver and LoRa gateway module;

[0057] The signal receiver is connected with the LoRa gateway module and the data acquisition device;

[0058] The LoRa gateway module is connected with the control unit and the safety protection module.

[0059] Through the setting of the positioning block, the monitoring of multiple reaction kettles can be realized at the same time, the positioning information is established through the controller, and multiple reaction kettles are labeled, so that the multiple reaction kettles can be monitored at the same time, the production efficiency is improved, the labor cost is reduced, and the effect of reducing cost and increasing benefit is realized.

[0060] Further optimization scheme, the control unit includes controller, storage and timer;

[0061] The controller is respectively connected with temperature, pressure and liquid level as horizontal axis, and the obtained temperature data, pressure data and liquid level data as vertical axis to generate change curve graph, and upper limit and lower limit on the vertical axis of the change curve graph are set as preset threshold value, when the collected data exceeds or is lower than the preset value, the safety protection module controls the execution device to be powered on or powered off.

[0062] The controller adopts PLC controller, model: Siemens S7-1500 series.

[0063] In the controller, the timer continuously counts, while the controller continuously acquires the temperature data and positioning data, when the timer reaches the set packaging length, the acquired data is temporarily stored in the RAM, and after reaching the set storage quantity, a file package is formed and saved in the region1 of the RAM, the counter is reset to zero, and the data acquisition step is repeated, the next acquired file package is saved in the region12 of the RAM, forming a ping-pong buffer. The timer is used for continuous counting, and the packaging time is set. The temperature, pressure and liquid level in the packaging time are respectively generated into corresponding file packages, and the file package name is generated according to the date, the current packaging time and the positioning data; the controller generates a change curve graph with temperature, pressure and liquid level as horizontal axis and acquired temperature data, pressure data and liquid level data as vertical axis, and sets upper limit and lower limit on the vertical axis of the change curve graph as preset threshold value, and the storage is used for storing data.

[0064] Further optimization scheme, the execution device includes motor, thermostat and pressure relief valve;

[0065] The motor is installed on the top of the reaction kettle, and the output shaft is provided with a stirring assembly. The stirring assembly extends into the reaction kettle, and the motor is connected with the controller.

[0066] The thermostat is installed at the bottom of the reaction kettle, and the thermostat is connected with the controller.

[0067] The pressure relief valve is installed on the side wall of the reaction kettle and connected with the controller.

[0068] Further optimization scheme, the safety protection module includes circuit switch, indicator light and buzzer;

[0069] The circuit switch is installed on the line of the motor, the thermostat and the pressure relief valve respectively, and is used for controlling the on-off of the motor, the thermostat and the pressure relief valve and the power supply respectively.

[0070] The indicator light is used for connecting the power supply according to the warning control signal to perform light alarm.

[0071] The buzzer is used for connecting the power supply according to the warning control signal to perform sound alarm.

[0072] Further optimization scheme, the man-machine interaction module adopts mobile intelligent device.

[0073] Further optimization scheme, the LoRa gateway module adopts LoRa protocol ad hoc network communication for data transmission.

[0074] In the description of the present application, it needs to be understood that the terms "longitudinal", "transverse", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application, and do 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.

[0075] The above-described embodiments are only to describe the preferred modes of the present application, and are not intended to limit the scope of the present application. Without departing from the design spirit of the present application, various modifications and improvements to the technical solutions of the present application made by those skilled in the art shall fall within the protection scope determined by the claims of the present application.

Claims

1. A chemical reaction kettle electric automatic control equipment, its characterized in that, The application relates to a reaction kettle safety protection system. The system comprises a data acquisition device arranged in a reaction kettle for acquiring temperature data, pressure data and liquid level height in the reaction kettle; a wireless communication unit connected with the data acquisition device for transmitting data; a control unit connected with the wireless communication unit for receiving and processing signals and issuing control instructions; an execution device installed in the reaction kettle and connected with the control unit for receiving and executing the control instructions issued by the control unit; a human-computer interaction module connected with the control unit for remote operation; and a safety protection module connected with the control unit and the execution device, wherein the control unit compares the data collected by the data acquisition device with preset threshold values, triggers an early warning signal through the safety protection module when the collected data exceeds the preset threshold values, and controls the execution device to be powered on or powered off. The data acquisition device comprises a temperature sensor, a pressure sensor, a liquid level height sensor, a signal transmitter and a positioner. The temperature sensor, the pressure sensor, the liquid level height sensor and the positioner are connected with the signal transmitter, and the signal transmitter is connected with the wireless communication unit for transmitting data. The temperature sensor is used for measuring temperature data in the reaction kettle. The pressure sensor is used for measuring pressure data in the reaction kettle. The liquid level height sensor is used for measuring liquid level height data in the reaction kettle.

2. The automatic electric control device for chemical reaction vessel according to claim 1, characterized in that: The wireless communication unit comprises a signal receiver and a LoRa gateway module. The signal receiver is connected with the LoRa gateway module and the data acquisition device. The LoRa gateway module is connected with the control unit and the safety protection module. The control unit comprises a controller, a storage and a timer. The controller generates a change curve graph with temperature, pressure and liquid level height as horizontal axes and with acquired temperature data, pressure data and liquid level height data as vertical axes, sets an upper limit and a lower limit on the vertical axis of the change curve graph as preset threshold values, and controls the execution device to be powered on or powered off through the safety protection module when the collected data exceeds or is lower than the preset values.

3. The automatic electric control device for chemical reaction vessel according to claim 1, characterized in that: The execution device comprises a motor, a thermostat and a pressure relief valve. The motor is installed on the top of the reaction kettle, a stirring assembly is installed on the output shaft of the motor, the stirring assembly extends into the reaction kettle, and the motor is connected with the controller. The thermostat is installed on the bottom of the reaction kettle and is connected with the controller.

4. The automatic electric control device for chemical reaction vessel according to claim 2, characterized in that: The pressure relief valve is installed on the side wall of the reaction kettle and is connected with the controller. The safety protection module comprises a circuit switch, an indicator lamp and a buzzer.

5. The automatic electric control device for chemical reaction vessel according to claim 4, characterized in that: The circuit switch is installed on the circuit of the motor, the thermostat and the pressure relief valve respectively and is used for controlling the on-off connection between the motor, the thermostat, the pressure relief valve and the power supply. The indicator lamp is used for connecting the power supply according to the early warning control signal and performing light alarm. The buzzer is used for connecting the power supply according to the early warning control signal and performing sound alarm. The human-computer interaction module adopts a mobile intelligent device.

6. The automatic electric control device for chemical reaction vessel according to claim 5, characterized in that: The LoRa gateway module adopts a LoRa protocol ad hoc network communication for data transmission. ​ ​ ​ 7. The automatic electric control device for chemical reaction vessel according to claim 1, characterized in that: ​ 8. The automatic electric control device for chemical reaction vessel according to claim 3, characterized in that: ​

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