Methane preparation device easy to control

Abstract

The utility model discloses a methane preparation device easy to control, and particularly relates to the field of methane preparation control, the methane preparation device easy to control comprises a main loop and a sub-loop, the main loop comprises a reactor unit, a heating unit, a multi-section gas supply unit and a pressure control unit; the sub-loop comprises a cooling unit, a product separation unit, a data acquisition and control unit, a safety monitoring and alarm unit and a display and operation interface; wherein the multi-section gas supply unit comprises a segmented gas storage tank, a flow controller and a high-speed electrostatic mixer, and the appropriate inflow amount of gas is evaluated and controlled by monitoring a temperature sensor, a pressure sensor and a reaction rate sensor; the reactor unit is connected in series with the heating unit through a fluid pipeline. According to the multi-section gas supply unit, through the combination of a sectional gas storage tank, a flow controller and a high-speed electrostatic mixer, the gas inflow amount is accurately controlled, the accurate proportion of reactants is ensured, and therefore the reaction efficiency and the product purity are improved.

Description

Technical Field

[0001] The utility model relates to the technical field of methane preparation control. More specifically, the utility model relates to a methane preparation device conducive to control. Background Technique

[0002] In current methane preparation technologies, common methods include chemical catalytic reactions and biological fermentation. Chemical catalytic reactions usually occur under high temperature and high pressure conditions, involving chemical reactions of hydrogen and carbon dioxide to produce methane. Although these methods have been widely used in industrial production, there are still some technical bottlenecks.

[0003] In the prior art, methane preparation devices usually lack precise control over gas flow and reaction conditions, resulting in low reaction efficiency, low product purity, and potential safety hazards during operation. Specifically, during the reaction process, unstable gas flow and fluctuations in reaction conditions will affect the reaction, leading to a decrease in methane production rate and prone to accidents, endangering operation safety. Summary of the Utility Model

[0004] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a methane preparation device conducive to control, which realizes precise control of the methane preparation process through a multi-stage gas supply unit and an intelligent control system to solve the problems raised in the above-mentioned background technique.

[0005] To achieve the above object, the utility model provides the following technical solution: A methane preparation device conducive to control, including a main circuit and a sub-circuit. The main circuit includes a reactor unit, a heating unit, a multi-stage gas supply unit, and a pressure control unit; the sub-circuit includes a cooling unit, a product separation unit, a data acquisition and control unit, a safety monitoring and alarm unit, and a display and operation interface;

[0006] Among them, the multi-stage gas supply unit includes a segmented gas storage tank, a flow controller, and a high-speed electrostatic mixer. By monitoring temperature sensors, pressure sensors, and reaction rate sensors, it evaluates and controls the appropriate inflow of gas to ensure the precise proportion of reactants;

[0007] The reactor unit is connected in series with the heating unit through a fluid pipeline, the heating unit is connected in series with the multi-stage gas supply unit through a pipeline, the segmented gas storage tank of the multi-stage gas supply unit is connected in series with the flow controller through a pipeline, the flow controller is connected in series with the high-speed electrostatic mixer through a pipeline, and the high-speed electrostatic mixer is connected in parallel with the reactor unit through a pipeline; the pressure control unit is connected in parallel to the pipeline between the reactor unit and the heating unit to monitor and adjust the internal pressure of the reactor in real time;

[0008] The cooling units in the sub-circuit are connected in parallel through pipelines at the outlet of the reactor unit. The product separation unit is connected in series through pipelines at the outlet of the cooling unit. The data acquisition and control unit is electrically connected to the temperature sensor, pressure sensor, and reaction rate sensor respectively. The safety monitoring and alarm unit is electrically connected to the smoke sensor, temperature overrun alarm, and emergency stop button respectively. The display and operation interface is electrically connected to the data acquisition and control unit.

[0009] In a preferred embodiment, the reactor unit includes a high-temperature and pressure-resistant reactor shell, a nano-catalyst bed, and a magnetic mixer. The reactor shell is equipped with multi-point temperature and pressure sensors for real-time monitoring of the reaction environment to ensure that the reaction proceeds under optimal conditions. The temperature sensor and pressure sensor are connected to the data acquisition unit.

[0010] In a preferred embodiment, the heating unit includes an infrared heater and an ultrasonic-assisted heating system. Through adjustable infrared radiation and ultrasonic oscillation, precise and uniform temperature control is achieved to ensure the optimal temperature distribution inside the reactor. The infrared heater and the ultrasonic-assisted heating system are connected in parallel and controlled by the data acquisition and control unit.

[0011] In a preferred embodiment, the segmented gas storage tanks of the multi-stage gas supply unit are used to store and release hydrogen and carbon dioxide required for the reaction step by step. The flow controller adjusts the inflow of gas through flow control valves A, B, and C. The high-speed electrostatic mixer ensures the uniformity of gas mixing. The segmented gas storage tanks are connected in series to the flow controller, and the flow controller is connected in parallel to the high-speed electrostatic mixer.

[0012] In a preferred embodiment, the pressure control unit includes a pressure sensor, a pressure regulating valve, and a safety relief valve. The pressure sensor monitors the internal pressure of the reactor in real time. The pressure regulating valve adjusts the internal pressure according to the feedback to ensure that the reaction proceeds at the optimal pressure. The safety relief valve is used to automatically relieve pressure when the pressure is too high to ensure system safety. The pressure sensor is connected to the data acquisition and control unit, and the pressure regulating valve and the safety relief valve are connected in parallel.

[0013] In a preferred embodiment, the data acquisition and control unit includes a data acquisition unit, a neural network central processing unit (NPU), and an adaptive control interface. The data acquisition unit collects real-time data such as temperature, pressure, and flow rate. The neural network central processing unit performs deep learning processing and adjusts the operation of each unit through the adaptive control interface to achieve optimized control. The data acquisition unit is connected in series to the neural network central processing unit, and the adaptive control interface is connected in parallel to each execution unit.

[0014] In a preferred embodiment, the safety monitoring and alarm unit includes a smoke sensor, an infrared thermal imaging alarm, and an emergency shutdown system. The smoke sensor is not only used to detect smoke but also harmful gases. The infrared thermal imaging alarm monitors the temperature distribution of the device in real time. The emergency shutdown system shuts down immediately and emits an alarm signal when an abnormality is detected. The smoke sensor and the infrared thermal imaging alarm are connected in parallel to the emergency shutdown system.

[0015] Technical effects and advantages of the present utility model:

[0016] 1. Precise control of gas flow: The multi-stage gas supply unit realizes precise control of the gas inflow through the combination of segmented gas storage tanks, flow controllers, and high-speed electrostatic mixers, ensuring the precise ratio of reactants, thereby improving the reaction efficiency and product purity.

[0017] 2. High intelligence and security: The data acquisition and control unit includes a data acquisition unit, a neural network central processing unit (NPU), and an adaptive control interface, realizing real-time monitoring and intelligent adjustment of the reaction process, equipped with a comprehensive safety monitoring system, providing comprehensive safety protection, ensuring that the device can respond in a timely manner when an abnormal situation occurs, and protecting the safety of operators and equipment. Brief description of the drawings

[0018] Figure 1 It is a system composition diagram of the present utility model. Detailed implementation manners

[0019] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present utility model.

[0020] Refer to the attached drawings of the specification Figure 1 A methane preparation device that is conducive to control according to an embodiment of the present utility model includes a main circuit and a sub-circuit. The main circuit includes a reactor unit, a heating unit, a multi-stage gas supply unit, and a pressure control unit. The sub-circuit includes a cooling unit, a product separation unit, a data acquisition and control unit, a safety monitoring and alarm unit, and a display and operation interface.

[0021] Among them, the multi-stage gas supply unit includes segmented gas storage tanks, flow controllers, and high-speed electrostatic mixers, and evaluates and controls the appropriate gas inflow by monitoring temperature sensors, pressure sensors, and reaction rate sensors to ensure the precise ratio of reactants.

[0022] The reactor unit is connected in series with the heating unit through a fluid pipeline. The heating unit is connected in series with the multi-stage gas supply unit through a pipeline. The segmented gas storage tanks of the multi-stage gas supply unit are connected in series with the flow controller through a pipeline. The flow controller is connected in series with the high-speed electrostatic mixer through a pipeline. The high-speed electrostatic mixer is connected in parallel with the reactor unit through a pipeline. The pressure control unit is connected in parallel to the pipeline between the reactor unit and the heating unit to monitor and adjust the internal pressure of the reactor in real time;

[0023] The cooling unit in the sub-loop is connected in parallel to the outlet of the reactor unit through a pipeline. The product separation unit is connected in series to the outlet of the cooling unit through a pipeline. The data acquisition and control unit is electrically connected to the temperature sensor, pressure sensor, and reaction rate sensor respectively. The safety monitoring and alarm unit is electrically connected to the smoke sensor, temperature overrun alarm, and emergency stop button respectively. The display and operation interface is electrically connected to the data acquisition and control unit.

[0024] The reactor unit includes a high-temperature and pressure-resistant reactor shell, a nano-catalyst bed, and a magnetic mixer. The reactor shell is equipped with multi-point temperature and pressure sensors to monitor the reaction environment in real time and ensure that the reaction proceeds under optimal conditions. The temperature sensor and pressure sensor are connected to the data acquisition unit;

[0025] The heating unit includes an infrared heater and an ultrasonic-assisted heating system, which achieve precise and uniform temperature control through adjustable infrared radiation and ultrasonic oscillation to ensure the optimal temperature distribution inside the reactor. The infrared heater and the ultrasonic-assisted heating system are connected in parallel and controlled by the data acquisition and control unit. The segmented gas storage tanks of the multi-stage gas supply unit are used to store and release hydrogen and carbon dioxide required for the reaction step by step. The flow controller adjusts the gas inflow through flow control valves A, B, and C. The high-speed electrostatic mixer ensures the uniformity of gas mixing. The segmented gas storage tanks are connected in series to the flow controller, and the flow controller is connected in parallel to the high-speed electrostatic mixer. The pressure control unit includes a pressure sensor, a pressure regulating valve, and a safety relief valve. The pressure sensor monitors the internal pressure of the reactor in real time. The pressure regulating valve adjusts the internal pressure according to the feedback to ensure that the reaction proceeds at the optimal pressure. The safety relief valve is used to automatically relieve pressure when the pressure is too high to ensure system safety. The pressure sensor is connected to the data acquisition and control unit, and the pressure regulating valve and the safety relief valve are connected in parallel;

[0026] The data acquisition and control unit includes a data acquisition unit, a neural network central processing unit (NPU), and an adaptive control interface. The data acquisition unit collects real-time data such as temperature, pressure, and flow rate. The neural network central processing unit performs deep learning processing and adjusts the operations of each unit through the adaptive control interface to achieve optimized control. The data acquisition unit is connected in series with the neural network central processing unit, and the adaptive control interface is connected in parallel to each execution unit. The safety monitoring and alarm unit includes a smoke sensor, an infrared thermal imaging alarm, and an emergency shutdown system. The smoke sensor is used not only to detect smoke but also to detect harmful gases. The infrared thermal imaging alarm monitors the temperature distribution of the device in real time. The emergency shutdown system shuts down immediately and issues an alarm signal when an abnormality is detected. The smoke sensor and the infrared thermal imaging alarm are connected in parallel to the emergency shutdown system.

[0027] It should be noted in detail that: through the coordinated action of the main loop and the sub-loop, the methane preparation device realizes precise control of the methane preparation process. The main loop includes a reactor unit, a heating unit, a multi-stage gas supply unit, and a pressure control unit, which are used for the control of reaction and gas supply. The sub-loop includes a cooling unit, a product separation unit, a data acquisition and control unit, a safety monitoring and alarm unit, and a display and operation interface, which are used for the post-reaction processing and monitoring. The multi-stage gas supply unit realizes precise control of the gas inflow through the combination of a segmented gas storage tank, a flow controller, and a high-speed electrostatic mixer, ensuring the precise ratio of reactants, thereby improving the reaction efficiency and product purity.

[0028] The usage method includes starting the data acquisition and control unit, setting reaction parameters, starting the multi-stage gas supply unit to supply gas to the reactor according to the set ratio, monitoring and adjusting the operations of each unit in real time. During the reaction process, the heating unit maintains the optimal temperature, the pressure control unit ensures the stability of the internal pressure of the reactor, the cooling unit and the product separation unit work together to control cooling and methane separation, the data acquisition unit collects data in real time, the neural network central processing unit (NPU) performs deep learning processing, and adjusts the operations of each unit through the adaptive control interface. The safety monitoring and alarm unit automatically issues an alarm signal and takes emergency measures in case of an abnormality.

[0029] For example, in the industrial methane preparation process, the reaction of hydrogen and carbon dioxide needs to be carried out under high temperature and high pressure conditions. Through this device, the multi-stage gas supply unit can precisely control the supply ratio of hydrogen and carbon dioxide to ensure the full utilization of reactants. The heating unit can precisely control the reaction temperature to ensure that the reaction proceeds at the optimal temperature, improving the reaction efficiency. The pressure control unit ensures the stability of the pressure inside the reactor, avoiding incomplete reactions or dangerous situations caused by pressure fluctuations. The product separation unit effectively separates methane, improving the product purity. The data acquisition and control unit ensures the stability and high efficiency of the entire reaction process through real-time monitoring and adjustment.

[0030] The core of this innovative design lies in improving the efficiency of the methane preparation process, product quality, as well as the safety and automation level of operation through an intelligent control system and all-round safety monitoring. The intelligent control system includes a data acquisition unit, an NPU, and an adaptive control interface, which realizes real-time monitoring and intelligent adjustment of the reaction process to ensure that the reaction proceeds under optimal conditions. The all-round safety monitoring is equipped with a smoke sensor, an infrared thermal imaging alarm, and an emergency shutdown system to provide comprehensive safety protection and ensure that the device can respond in a timely manner in case of abnormal situations, safeguarding the safety of operators and equipment.

[0031] The above are only the preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A methane preparation device conducive to control, characterized in that: It includes a main circuit and a sub-circuit. The main circuit comprises a reactor unit, a heating unit, a multi-stage gas supply unit, and a pressure control unit; the sub-circuit comprises a cooling unit, a product separation unit, a data acquisition and control unit, a safety monitoring and alarm unit, and a display and operation interface; Among them, the multi-stage gas supply unit includes segmented gas storage tanks, flow controllers, and high-speed electrostatic mixers, and evaluates and controls the appropriate inflow of gas by monitoring temperature sensors, pressure sensors, and reaction rate sensors; The reactor unit is connected in series with the heating unit through a fluid pipeline. The heating unit is connected in series with the multi-stage gas supply unit through a pipeline. The segmented gas storage tank of the multi-stage gas supply unit is connected in series with the flow controller through a pipeline. The flow controller is connected in series with the high-speed electrostatic mixer through a pipeline. The high-speed electrostatic mixer is connected in parallel with the reactor unit through a pipeline; the pressure control unit is connected in parallel to the pipeline between the reactor unit and the heating unit to monitor and adjust the internal pressure of the reactor in real time; The cooling unit in the sub-circuit is connected in parallel to the outlet of the reactor unit through a pipeline. The product separation unit is connected in series to the outlet of the cooling unit through a pipeline. The data acquisition and control unit is electrically connected to the temperature sensor, pressure sensor, and reaction rate sensor respectively. The safety monitoring and alarm unit is electrically connected to the smoke sensor, temperature overrun alarm, and emergency stop button respectively. The display and operation interface is electrically connected to the data acquisition and control unit.

2. The methane preparation device conducive to control according to claim 1, wherein: The reactor unit includes a reactor shell with high-temperature and pressure resistance, a nano-catalyst bed, and a magnetic mixer. The reactor shell is equipped with multi-point temperature and pressure sensors for real-time monitoring of the reaction environment; the temperature sensor and pressure sensor are connected to the data acquisition unit.

3. The methane preparation device conducive to control according to claim 2, wherein: The heating unit includes an infrared heater and an ultrasonic-assisted heating system, through adjustable infrared radiation and ultrasonic oscillation; the infrared heater and the ultrasonic-assisted heating system are connected in parallel and controlled by the data acquisition and control unit.

4. A methane preparation device facilitating control according to claim 3, wherein: The segmented gas storage tanks of the multi-stage gas supply unit are used to store and release hydrogen and carbon dioxide required for the reaction step by step. The flow controller adjusts the inflow of gas through flow control valves A, B, and C. The high-speed electrostatic mixer ensures the uniformity of gas mixing; the segmented gas storage tanks are connected in series to the flow controller, and the flow controller is connected in parallel to the high-speed electrostatic mixer.

5. The methane preparation device according to claim 4, characterized in that: The pressure control unit includes a pressure sensor, a pressure regulating valve, and a safety relief valve. The pressure sensor monitors the internal pressure of the reactor in real time. The pressure regulating valve adjusts the internal pressure according to the feedback. The safety relief valve is used to automatically relieve pressure when the pressure is too high; the pressure sensor is connected to the data acquisition and control unit, and the pressure regulating valve and the safety relief valve are connected in parallel.

6. The methane preparation device conducive to control according to claim 5, characterized in that: The data acquisition and control unit includes a data acquisition unit, a neural network central processor, and an adaptive control interface. The data acquisition unit collects temperature, pressure, and flow data. The neural network central processor performs deep learning processing and adjusts the operations of each unit through the adaptive control interface to achieve optimal control; the data acquisition unit is connected in series with the neural network central processor, and the adaptive control interface is connected in parallel to each execution unit.

7. A methane preparation device conducive to control according to claim 6, characterized in that: The safety monitoring and alarm unit includes a smoke sensor, an infrared thermal imaging alarm, and an emergency shutdown system. The smoke sensor is used to detect smoke, the infrared thermal imaging alarm monitors the temperature distribution of the device in real time, and the emergency shutdown system shuts down immediately and emits an alarm signal when an abnormality is detected; the smoke sensor and the infrared thermal imaging alarm are connected in parallel to the emergency shutdown system.

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