Ammonia decomposition equipment, monitoring and control method, device and storage medium

Abstract

The present invention discloses an ammonia decomposition device and a monitoring and control method, device and storage medium. The monitoring and control method based on the ammonia decomposition device includes the following steps: obtaining the actual value of at least one operation monitoring parameter of at least one decomposition processing device; when the actual value of the operation monitoring parameter meets the preset condition, generating a control instruction; outputting the control instruction to the corresponding feedback device to control the feedback device to perform feedback action. The monitoring and control method based on the ammonia decomposition device provided by the present invention monitors the decomposition device in the ammonia decomposition device, and controls the action of the corresponding feedback device according to the relationship between the actual value of the obtained operation monitoring parameter and the preset condition, so as to promptly remind the staff to handle it when the actual value of the operation monitoring parameter of the decomposition processing device is abnormal, or control the corresponding device to ensure the normal operation of the ammonia decomposition device, and the purity of the nitrogen-hydrogen mixed gas produced and outputted is stable.

Description

Technical Field

[0001] The present invention relates to the technical field of ammonia decomposition, and in particular to an ammonia decomposition device and a monitoring and control method, device and storage medium. Background Art

[0002] Float glass has broad market prospects due to its advantages such as good thickness uniformity, good flatness and high transparency. In the production process of float glass, nitrogen and hydrogen mixed gas needs to be delivered to the tin tank in the production line to isolate the glass plate from the outside air, avoid contamination of the glass plate and oxidation of the tin liquid. The stability of the nitrogen and hydrogen mixed gas supply and the purity of the nitrogen and hydrogen mixed gas directly affect the quality of the glass. At present, the ammonia content in the nitrogen and hydrogen mixed gas output by the ammonia decomposition device fluctuates widely, resulting in unstable purity of the nitrogen and hydrogen mixed gas, which seriously affects the quality of the glass plate. Summary of the invention

[0003] The main purpose of the present invention is to propose an ammonia decomposition device and a monitoring and control method, device and storage medium, aiming to solve the problem that the ammonia content in the nitrogen-hydrogen mixed gas output by the existing ammonia decomposition device has a large fluctuation range, resulting in unstable purity of the nitrogen-hydrogen mixed gas.

[0004] To achieve the above object, the present invention proposes a monitoring and control method based on an ammonia decomposition device, wherein the ammonia decomposition device includes a plurality of decomposition processing devices and a plurality of feedback devices in a process of decomposing ammonia to generate hydrogen;

[0005] The monitoring and control method based on the ammonia decomposition equipment comprises the following steps:

[0006] Obtaining an actual value of at least one operation monitoring parameter of at least one of the decomposition and processing devices;

[0007] When the actual value of the operation monitoring parameter meets the preset condition, a control instruction is generated;

[0008] The control instruction is output to the corresponding feedback device to control the feedback device to perform feedback action.

[0009] Optionally, the plurality of decomposition processing devices include a decomposition furnace, and the corresponding feedback device includes a first alarm;

[0010] The operation monitoring parameters include an ammonia concentration parameter and / or a first temperature parameter;

[0011] Correspondingly, the preset condition includes exceeding a preset concentration threshold and / or exceeding a first preset temperature threshold;

[0012] Correspondingly, the control instruction is a first alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

[0013] Optionally, the plurality of decomposition processing devices include storage tanks, and the corresponding feedback device includes a second alarm;

[0014] The operation monitoring parameters include a second temperature parameter and / or a first liquid level parameter and / or a first pressure parameter;

[0015] Correspondingly, the preset conditions include exceeding a second preset temperature threshold and / or being lower than a first preset liquid level threshold and / or exceeding a first preset pressure threshold;

[0016] Correspondingly, the control instruction is a second alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

[0017] Optionally, the multiple decomposition processing devices include an intermediate tank, the corresponding feedback device includes a third alarm, the operation monitoring parameter includes a third temperature parameter and / or a second pressure parameter, and correspondingly, the preset condition includes exceeding a third preset temperature threshold and / or exceeding a second preset pressure threshold, and correspondingly, the control instruction is a third alarm control instruction, and the feedback action is a flash warning and / or a voice warning; and / or,

[0018] The multiple decomposition and processing devices include a storage tank and an intermediate tank, and the corresponding feedback device includes a safety regulating valve, which is arranged on the connecting pipeline between the first liquid outlet of the storage tank and the first liquid inlet of the intermediate tank. The operation monitoring parameter includes a second liquid level parameter, wherein: when the preset condition includes exceeding the preset liquid level upper threshold, the corresponding control instruction is a valve closing instruction, and the feedback action is the valve rotation to close; when the preset condition includes exceeding the preset liquid level lower threshold, the corresponding control instruction is a valve opening instruction, and the feedback action is the valve rotation to open.

[0019] Optionally, the plurality of decomposition and processing devices include a vaporizer, and the corresponding feedback device includes a fourth alarm;

[0020] The operation monitoring parameters include a fourth temperature parameter;

[0021] Correspondingly, the preset condition includes exceeding a fourth preset temperature threshold;

[0022] Correspondingly, the control instruction is a fourth alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

[0023] Optionally, the multiple decomposition and processing devices include a purifier, and the corresponding feedback device includes a fifth alarm and a flow regulating valve, and the flow regulating valve is arranged on the output pipeline of the purifier, wherein:

[0024] The operation monitoring parameter includes a fifth temperature parameter, and correspondingly, the preset condition is exceeding a fifth preset temperature threshold, and correspondingly, the control instruction is a fifth alarm control instruction, and the feedback action is a flash warning and / or a voice warning; or,

[0025] The operation monitoring parameters include flow parameters of the purifier outlet. When the preset conditions include exceeding a preset upper flow threshold, the corresponding control instruction is a valve opening reduction instruction, and the feedback action is valve rotation to reduce the opening; when the preset conditions include exceeding a preset lower flow threshold, the corresponding control instruction is a valve opening increase instruction, and the feedback action is valve rotation to increase the opening.

[0026] Optionally, the monitoring and control method based on the ammonia decomposition device further comprises the following steps:

[0027] Respectively obtaining a plurality of actual values ​​of at least one operation monitoring parameter of at least one of the decomposition and processing devices at a plurality of times;

[0028] The data of the plurality of actual values ​​are stored in an external memory.

[0029] To achieve the above-mentioned purpose, the present invention also proposes a monitoring and control device for generating hydrogen based on an ammonia decomposition device, comprising: a memory, a processor, and a monitoring and control program based on the ammonia decomposition device stored in the memory and executable on the processor, wherein the monitoring and control program based on the ammonia decomposition device is configured to implement the steps of the monitoring and control method based on the ammonia decomposition device as described above.

[0030] In addition, to achieve the above object, the present invention also provides an ammonia decomposition device, comprising:

[0031] A storage tank, used for storing liquid ammonia, wherein the storage tank is provided with a first liquid outlet;

[0032] An intermediate tank, wherein a liquid storage area and a gas storage area are sequentially distributed in the up-down direction, the liquid storage area is connected with the gas storage area, the liquid storage area is provided with a first liquid inlet and a second liquid outlet, the first liquid inlet is connected with the first liquid outlet, and the gas storage area is provided with a gas inlet and a gas outlet;

[0033] a vaporizer, used for heating liquid ammonia and vaporizing the liquid ammonia, the vaporizer being provided with an inlet and an outlet, the second liquid outlet being connected to the inlet and used for conveying liquid ammonia to the vaporizer, and the gas inlet being connected to the outlet;

[0034] A decomposition furnace, provided with an air inlet and an air outlet, wherein the air inlet is connected to the air outlet and is used to transport the ammonia gas in the intermediate tank to the decomposition furnace;

[0035] a heat exchanger, connected to the air inlet and the air outlet, respectively, for heat exchange between the gas at the air inlet and the gas at the air outlet;

[0036] A monitor, disposed at the gas outlet, for detecting the purity of the gas at the gas outlet;

[0037] A purifier, provided with an air inlet and an air outlet, wherein the air inlet is connected to the air outlet, and the air outlet is used to output the purified gas;

[0038] A safety regulating valve, provided at the first liquid inlet, for controlling the liquid inlet amount of the intermediate tank;

[0039] A flow meter, disposed at the gas outlet, for detecting the gas flow monitoring at the gas outlet;

[0040] A flow regulating valve, arranged on the side of the flow meter close to the gas outlet, for controlling the gas delivery volume of the gas outlet;

[0041] A plurality of liquid level gauges, arranged in the storage tank and the intermediate tank;

[0042] A plurality of pressure sensors are provided in the storage tank and the intermediate tank;

[0043] A plurality of temperature sensors are respectively disposed on the storage tank, the intermediate tank, the vaporizer, the decomposition furnace and the purifier; and,

[0044] The control device is a monitoring and control device for generating hydrogen based on the ammonia decomposition equipment as described above, and the control device is electrically connected to the monitor, the safety regulating valve, the flow meter, the flow regulating valve, the multiple liquid level gauges, the multiple pressure sensors and the multiple temperature sensors.

[0045] In addition, to achieve the above-mentioned purpose, the present invention also proposes a storage medium, on which the monitoring and control program based on the ammonia decomposition device is stored. When the monitoring and control program based on the ammonia decomposition device is executed by the processor, the steps of the monitoring and control method based on the ammonia decomposition device as described above are implemented.

[0046] In the technical solution of the present invention, multiple decomposition processing devices in the ammonia decomposition equipment are monitored, and the actual values ​​of the operation monitoring parameters of the corresponding decomposition processing devices are obtained. When the actual values ​​of the operation monitoring parameters of the corresponding decomposition processing devices meet the preset conditions, a control instruction is generated, and the control instruction is output to the corresponding feedback device to control the feedback device to perform feedback action. By monitoring the decomposition devices in the ammonia decomposition equipment and controlling the corresponding feedback device action according to the relationship between the actual values ​​of the obtained operation monitoring parameters and the preset conditions, when the actual values ​​of the operation monitoring parameters of the decomposition processing devices are abnormal, the staff is promptly reminded to handle the problem, or the corresponding device is controlled to ensure the normal operation of the ammonia decomposition equipment and improve the purity and stability of the nitrogen-hydrogen mixed gas produced and outputted. BRIEF DESCRIPTION OF THE DRAWINGS

[0047] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0048] Figure 1 A schematic structural diagram of an embodiment of an ammonia decomposition device provided by the present invention;

[0049] Figure 2 It is a structural schematic diagram of a monitoring and control device for generating hydrogen based on an ammonia decomposition device in a hardware operating environment involved in an embodiment of the present invention;

[0050] Figure 3 It is a flow chart of a first embodiment of the monitoring and control method based on ammonia decomposition equipment of the present invention;

[0051] Figure 4 It is a flow chart of the second embodiment of the monitoring and control method based on ammonia decomposition equipment of the present invention.

[0052] Description of the accompanying drawings of the embodiments provided by the present invention:

[0053] 100 Ammonia decomposition equipment 21 import 11 Storage tank 22 exit 11a First liquid outlet 3 Calciner 12 Tundish 31 Air Inlet 121 First liquid inlet 32 Air outlet 122 Second liquid outlet 4 Heat Exchanger 123 Air Inlet 5 Purifier 124 Exhaust port 61 Monitor 125 Heat exchange tube 62 Flow Control Valve 13 Safety regulating valve 63 Flow Meter 2 Vaporizer

[0054] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0055] It should be understood that the specific embodiments described herein are only used to explain the present invention, and are not used to limit the present invention.

[0056] The present invention provides an ammonia decomposition device. Figure 1This is an embodiment of the ammonia decomposition equipment provided by the present invention.

[0057] See also Figure 1 As shown, in this embodiment, the ammonia decomposition equipment 100 includes a storage tank 11, an intermediate tank 12, a vaporizer 2, a decomposition furnace 3, a heat exchanger 4, a monitor 6, a purifier 5, a safety regulating valve 13, a flow meter 8, a flow regulating valve 7, multiple liquid level gauges, multiple pressure sensors, multiple temperature sensors and a control device. The storage tank 11 is used to store liquid ammonia, and the storage tank 11 is provided with a first liquid outlet 11a; the intermediate tank 12 is provided with a liquid storage area and a gas storage area sequentially distributed in the up and down directions, the liquid storage area is connected to the gas storage area, the liquid storage area is provided with a first liquid inlet 121 and a second liquid outlet 122, and the The first liquid inlet 121 is connected to the first liquid outlet 11a, and the gas storage area is provided with an air inlet 123 and an exhaust port 124; the vaporizer 2 is used to heat liquid ammonia and vaporize it, and the vaporizer 2 is provided with an inlet 21 and an outlet 22, and the second liquid outlet 122 is connected to the inlet 21 for conveying liquid ammonia to the vaporizer 2, and the air inlet 123 is connected to the outlet 22; the decomposition furnace 3 is provided with an air inlet 31 and an air outlet 31, and the air inlet 31 is connected to the exhaust port 124 for conveying ammonia in the intermediate tank 12 to the decomposition furnace 3; the heat exchanger 4 is respectively connected to the inlet 21 and the outlet 22; The gas inlet 31 is connected to the gas outlet 31, and is used for heat exchange between the gas at the gas inlet 31 and the gas at the gas outlet 31; the monitor 6 is arranged at the gas outlet 31, and is used to detect the purity of the gas at the gas outlet 31; the purifier 5 is provided with an inlet end and an outlet end, the inlet end is connected to the gas outlet 31, and the gas outlet end is used to output the purified gas; the safety regulating valve 13 is arranged at the first liquid inlet 121 to control the liquid inlet amount of the intermediate tank 12; the flow meter 8 is arranged at the gas outlet end to detect the gas flow monitoring at the gas outlet end; the flow regulating valve 7 is arranged at the The flow meter 8 is close to the gas outlet side and is used to control the gas delivery volume of the gas outlet; the multiple liquid level gauges are arranged in the storage tank 11 and the intermediate tank 12; the multiple pressure sensors are arranged in the storage tank 11 and the intermediate tank 12; the multiple temperature sensors are respectively arranged in the storage tank 11, the intermediate tank 12, the vaporizer 2, the decomposition furnace 3 and the purifier 5; the control device is electrically connected to the monitor 6, the safety regulating valve 13, the flow meter 8, the flow regulating valve 7, the multiple liquid level gauges, the multiple pressure sensors and the multiple temperature sensors.

[0058] In the solution provided in this embodiment, the liquid ammonia in the storage tank 11 is transported to the intermediate tank 12 so that there is liquid nitrogen in the liquid storage area. The liquid nitrogen in the liquid storage area is heated and gasified by the vaporizer 2 to become ammonia gas. The ammonia gas is transported to the gas storage area through the gas transmission pipe. The ammonia gas in the gas storage area is transported to the decomposition furnace 3 through the gas transmission pipe. The decomposition furnace 3 decomposes the ammonia gas at high temperature to generate a nitrogen-hydrogen mixed gas. The ammonia gas entering the decomposition furnace 3 and the nitrogen-hydrogen mixed gas output from the decomposition furnace 3 are heat exchanged in the heat exchanger 4 to cool the nitrogen-hydrogen mixed gas. A heat exchange pipe 125 is provided in the intermediate tank 12. The heat exchange pipe 125 is connected to the gas outlet 31 to exchange heat between the gas in the heat exchange pipe 125 and the liquid ammonia in the intermediate tank 12 to cool the nitrogen-hydrogen mixed gas again. Then the nitrogen-hydrogen mixed gas is purified and output through the purifier 5. The monitor 6 monitors the purity of the nitrogen-hydrogen mixed gas in real time to control the purity of the nitrogen-hydrogen mixed gas, so as to meet the purity requirements of the nitrogen-hydrogen mixed gas in the production of float glass, ensure the quality of float glass, and improve the qualified rate of products. The purifier 5 is provided with a molecular sieve, which can filter the nitrogen-hydrogen mixed gas entering the purifier 5 to absorb the moisture and residual ammonia in the nitrogen-hydrogen mixed gas, thereby improving the purity of the nitrogen-hydrogen mixed gas. The flow meter 8 is used to monitor the flow of the nitrogen-hydrogen mixed gas at the outlet 31, and control the valve opening of the flow regulating valve 7 according to the actual flow of the nitrogen-hydrogen mixed gas, so as to stabilize the flow of the output nitrogen-hydrogen mixed gas and meet the production needs. The liquid level gauge is set in the storage tank 11 and the intermediate tank 12 to monitor the liquid level of the storage tank 11 and the intermediate tank 12. The pressure sensors are provided in the storage tank 11 and the intermediate tank 12 to monitor the pressures provided in the storage tank 11 and the intermediate tank 12. The temperature sensors are provided in the storage tank 11, the intermediate tank 12, the vaporizer 2, the decomposition furnace 3 and the purifier 5 to monitor the temperatures of the storage tank 11, the intermediate tank 12, the vaporizer 2, the decomposition furnace 3 and the purifier 5. The monitoring of the temperature, liquid level and pressure data helps to timely discover and handle abnormalities, thereby ensuring the normal operation of the ammonia decomposition device 100. The height of the liquid ammonia in the intermediate tank 12 cannot exceed two-thirds of the height of the intermediate tank 12. The safety valve is provided to control the amount of liquid ammonia entering the intermediate tank 12, so that the amount of liquid ammonia in the intermediate tank 12 is within a normal range, thereby ensuring the continuous and normal operation of the ammonia decomposition device 100.

[0059] Further, refer to Figure 2 , Figure 2 It is a schematic diagram of the structure of a monitoring and control device for generating hydrogen based on an ammonia decomposition device in the hardware operating environment involved in an embodiment of the present invention.

[0060] like Figure 2As shown, the battery pack control system may include: a processor 1001, such as a central processing unit (CPU), a communication bus 1002, a user interface 1003, a network interface 1004, and a memory 1005. Among them, the communication bus 1002 is used to realize the connection and communication between these components. The user interface 1003 may include a display screen (Display), an input unit such as a keyboard (Keyboard), and the optional user interface 1003 may also include a standard wired interface and a wireless interface. The network interface 1004 may optionally include a standard wired interface and a wireless interface (such as a wireless fidelity (WIreless-FIdelity, WI-FI) interface). The memory 1005 may be a high-speed random access memory (Random Access Memory, RAM) memory, or a stable non-volatile memory (Non-Volatile Memory, NVM), such as a disk memory. The memory 1005 may also be a storage device independent of the aforementioned processor 1001.

[0061] Those skilled in the art will understand that Figure 2 The structure shown in the figure does not constitute a limitation on the control device, and may include more or less components than shown in the figure, or combine certain components, or arrange the components differently.

[0062] like Figure 2 As shown, the memory 1005 as a storage medium may include an operating system, a network communication module, a user interface module, and a temperature control program of the battery pack. The battery pack control system of the present invention calls the monitoring and control program based on the ammonia decomposition device stored in the memory 1005 through the processor 1001, and executes the monitoring and control method based on the ammonia decomposition device provided in the embodiment of the present invention.

[0063] Based on the above-mentioned ammonia decomposition equipment, the present invention also provides a monitoring and control method based on the ammonia decomposition equipment. Figure 3 This is the first embodiment of the monitoring and control method based on the ammonia decomposition equipment provided by the present invention.

[0064] The monitoring and control method based on the ammonia decomposition equipment comprises the following steps:

[0065] Step S10, obtaining an actual value of at least one operation monitoring parameter of at least one of the decomposition and processing devices;

[0066] Step S20: When the actual value of the operation monitoring parameter meets the preset condition, a control instruction is generated;

[0067] Step S30: output the control instruction to the corresponding feedback device to control the feedback device to perform feedback action.

[0068] By monitoring the decomposition device in the ammonia decomposition equipment 100 and controlling the action of the corresponding feedback device according to the relationship between the actual value of the operation monitoring parameter obtained and the preset condition, when the actual value of the operation monitoring parameter of the decomposition device is abnormal, the staff is promptly reminded to handle it, or the corresponding device is controlled to ensure the normal operation of the ammonia decomposition equipment 100 and the purity of the nitrogen-hydrogen mixed gas produced and outputted is stable.

[0069] In the present invention, the multiple decomposition and processing devices include a decomposition furnace 3, and the corresponding feedback device includes a first alarm; the operation monitoring parameter includes an ammonia concentration parameter; correspondingly, the preset condition includes exceeding a preset concentration threshold; correspondingly, the control instruction is a first alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when the ammonia concentration in the ammonia-nitrogen mixed gas generated by the decomposition furnace 3 exceeds the preset concentration threshold, the first alarm control instruction controls the first alarm to act to warn the staff, reminding the staff that the ammonia concentration in the ammonia-nitrogen mixed gas is abnormal, which is convenient for timely processing and helps to control the purity of the nitrogen-hydrogen mixed gas to meet the purity requirements of the nitrogen-hydrogen mixed gas in float glass production. The setting method of the alarm is not limited, as long as it can serve as a reminder, for example, it can be a flash warning, it can also be a voice warning, or it can be a flash warning plus a voice warning.

[0070] In the present invention, the multiple decomposition processing devices include a decomposition furnace 3, and the corresponding feedback device includes a first alarm; the operation monitoring parameter includes a first temperature parameter; correspondingly, the preset condition includes exceeding a first preset temperature threshold; correspondingly, the control instruction is a first alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when the temperature in the decomposition furnace 3 exceeds the first preset temperature threshold, the first alarm control finger controls the first alarm action to warn the staff, reminding the staff of the abnormal temperature, so that the staff can handle it in time, so that the decomposition furnace 3 has a normal working temperature and ensures the normal operation of the decomposition furnace 3. The setting method of the alarm is not limited, as long as it can serve as a reminder, for example, it can be a flash warning, it can also be a voice warning, or it can be a flash warning plus a voice warning.

[0071] It should be noted that the above two technical features can be set either one or both. Specifically, in this embodiment, the above two technical features can be set both. Specifically, the multiple decomposition processing devices include a decomposition furnace 3, and the corresponding feedback device includes a first alarm; the operation monitoring parameter includes an ammonia concentration parameter and / or a first temperature parameter; correspondingly, the preset condition includes exceeding a preset concentration threshold and / or exceeding a first preset temperature threshold; correspondingly, the control instruction is a first alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when one or both of the ammonia concentration parameter and the first temperature parameter are abnormal, the first alarm control instruction controls the first alarm to operate, so as to warn the staff and remind the staff of the data abnormality, so as to facilitate the staff to deal with it in time. The setting method of the alarm is not limited, as long as it can play a reminder role, for example, it can be a flash alarm, it can also be a voice alarm, or it can be a flash alarm plus a voice alarm. Through the alarm reminder, when the ammonia concentration and temperature in the decomposition furnace are abnormal, the staff is reminded to deal with it in time, which helps to control the purity of the nitrogen-hydrogen mixture to meet the purity requirements of the nitrogen-hydrogen mixture in the production of float glass. At the same time, the decomposition furnace 3 is cooled to ensure the normal operation of the decomposition furnace 3.

[0072] Specifically, the multiple decomposition and processing devices include a storage tank 11, and the corresponding feedback device includes a second alarm; the operation monitoring parameters include a second temperature parameter and / or a first liquid level parameter and / or a first pressure parameter; correspondingly, the preset conditions include exceeding a second preset temperature threshold and / or being lower than a first preset liquid level threshold and / or exceeding a first preset pressure threshold; correspondingly, the control instruction is a second alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when any one of the second temperature parameter, the first liquid level parameter and the first pressure parameter in the storage tank 11, or any two or three of them are abnormal at the same time, the second alarm control instruction controls the second alarm to act, so as to warn the staff and remind the staff of the data abnormality, so as to facilitate the staff to handle it in time. The setting method of the alarm is not limited, as long as it can play a reminder role, for example, it can be a flash warning, it can also be a voice warning, or it can be a flash warning plus a voice warning. When the temperature or pressure in the storage tank 11 exceeds the corresponding set allowable range value, the second alarm control instruction controls the second alarm to operate to warn the staff, reminding the staff of data abnormality, so as to facilitate the staff to cool down or reduce the pressure of the storage tank 11 in time to ensure the safe use of the storage tank 11; when the liquid level in the storage tank 11 is lower than the set liquid level range value, the second alarm control instruction controls the second alarm to operate to warn the staff, reminding the staff that the liquid level is too low and liquid ammonia needs to be added to the storage tank 11 so that there is sufficient liquid ammonia in the storage tank 11 to ensure the normal operation of the ammonia decomposition equipment 100.

[0073] In the present invention, the plurality of decomposition and processing devices include an intermediate tank 12, the corresponding feedback device includes a third alarm, the operation monitoring parameter includes a third temperature parameter and / or a second pressure parameter, and the corresponding preset condition includes exceeding a third preset temperature threshold and / or exceeding a second preset pressure threshold. The corresponding control instruction is a third alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when one or both of the third temperature parameter and the second pressure parameter are abnormal, the third alarm control means controlling the third alarm to act, so as to warn the staff, remind the staff that the data is abnormal, and facilitate the staff to handle it in time. The setting method of the warning is not limited, as long as it can play a reminder role, for example, it can be a flash warning, it can also be a voice warning, or it can be a flash warning plus a voice warning. When the temperature or pressure in the intermediate tank 12 exceeds the corresponding set allowable range value, the third alarm control means controlling the third alarm to act, so as to warn the staff, remind the staff that the data is abnormal, and timely cool down or reduce the pressure of the intermediate tank 12 to ensure the safety of the use of the intermediate tank 12.

[0074] In the present invention, the multiple decomposition and processing devices include a storage tank 11 and an intermediate tank 12, and the corresponding feedback device includes a safety regulating valve 13. The safety regulating valve 13 is arranged on the connecting pipeline between the first liquid outlet 11a of the storage tank 11 and the first liquid inlet 121 of the intermediate tank 12. The operation monitoring parameter includes a second liquid level parameter, wherein: when the preset condition includes exceeding the preset liquid level upper threshold, the corresponding control instruction is a valve closing instruction, and the feedback action is the valve rotation closing; when the preset condition includes exceeding the preset liquid level lower threshold, the corresponding control instruction is a valve opening instruction, and the feedback action is the valve rotation opening. In this way, when the second liquid level parameter of the liquid ammonia in the intermediate tank 12 exceeds the preset upper liquid level threshold, the valve closing instruction controls the valve of the safety regulating valve 13 to rotate and close, and stops conveying liquid ammonia to the intermediate tank 12, so that the height of the liquid ammonia in the intermediate tank 12 cannot exceed two-thirds of the height of the intermediate tank 12. When the second liquid level parameter of the liquid ammonia in the intermediate tank 12 exceeds the preset lower liquid level threshold, the valve opening instruction controls the valve of the safety regulating valve 13 to rotate and open, and starts conveying liquid ammonia to the intermediate tank 12. The liquid inlet of the intermediate tank 12 is controlled by the safety regulating valve 13, so that the amount of liquid ammonia in the intermediate tank 12 is within a normal range, so as to ensure the continuous and normal operation of the ammonia decomposition equipment 100.

[0075] It should be noted that the above two technical features can be set selectively or simultaneously. Specifically, in the present embodiment, the above two technical features can be set simultaneously. The multiple decomposition processing devices include a storage tank 11 and an intermediate tank 12. The corresponding feedback device includes a safety regulating valve 13. The safety regulating valve 13 is arranged on the connecting pipeline between the first liquid outlet 11a of the storage tank 11 and the first liquid inlet 121 of the intermediate tank 12. The operation monitoring parameter includes a third temperature parameter and / or a second pressure parameter and / or a second liquid level parameter. Correspondingly, the preset condition includes exceeding a third preset temperature threshold value and / or exceeding a second preset pressure threshold value and / or exceeding a preset liquid level upper threshold value and / or exceeding a preset liquid level lower threshold value. In this way, when the temperature or pressure in the intermediate tank 12 exceeds the corresponding set allowable range value, the third alarm control instruction controls the third alarm to operate, so as to warn the staff, remind the staff of the data abnormality, and promptly cool down or reduce the pressure of the intermediate tank 12 to ensure the safe use of the intermediate tank 12. When the second liquid level parameter of the liquid ammonia in the intermediate tank 12 exceeds the preset upper liquid level threshold, the valve of the safety regulating valve 13 rotates to close; when the second liquid level parameter of the liquid ammonia in the intermediate tank 12 exceeds the preset lower liquid level threshold, the valve of the safety regulating valve 13 rotates to open, and the liquid inlet of the intermediate tank 12 is controlled by the safety regulating valve 13, so that the amount of liquid ammonia in the intermediate tank 12 is within a normal range, so as to ensure the continuous and normal operation of the ammonia decomposition equipment 100.

[0076] Specifically, the multiple decomposition and processing devices include a vaporizer 2, and the corresponding feedback device includes a fourth alarm; the operation monitoring parameter includes a fourth temperature parameter; correspondingly, the preset condition includes exceeding a fourth preset temperature threshold; correspondingly, the control instruction is a fourth alarm control instruction, and the feedback action is a flash warning and / or a voice warning. In this way, when the fourth temperature parameter exceeds the fourth preset temperature threshold, the fourth alarm control instruction controls the fourth alarm to act to warn the staff, reminding the staff of the temperature abnormality, so that the staff can handle it in time, so that the vaporizer 2 heats the liquid ammonia into ammonia gas. The setting method of the warning is not limited, as long as it can serve as a reminder, for example, it can be a flash warning, it can also be a voice warning, or it can be a flash warning plus a voice warning.

[0077] Specifically, the multiple decomposition and processing devices include a purifier 5, and the corresponding feedback device includes a fifth alarm and a flow regulating valve 7, and the flow regulating valve 7 is arranged on the output pipeline of the purifier 5, wherein: the operation monitoring parameter includes a fifth temperature parameter, and correspondingly, the preset condition is exceeding the fifth preset temperature threshold, and correspondingly, the control instruction is a fifth alarm control instruction, and the feedback action is a flash warning and / or a voice warning; the operation monitoring parameter includes a flow parameter of the air outlet 31 of the purifier 5, when the preset condition includes exceeding the preset flow upper threshold, correspondingly, the control instruction is a valve opening reduction instruction, and the feedback action is the valve rotation to reduce the opening; when the preset condition includes exceeding the preset flow lower threshold, correspondingly, the control instruction is a valve opening increase instruction, and the feedback action is the valve rotation to increase the opening. In this way, when the fifth temperature parameter exceeds the fifth preset temperature threshold, the fifth alarm control instruction controls the fifth alarm to operate, so as to warn the staff and remind them of the temperature abnormality, so as to facilitate timely processing by the staff. The warning method can be a flash warning, a voice warning, or a flash warning plus a voice warning. When the flow parameter exceeds the preset upper flow threshold, the valve opening reduction instruction controls the valve rotation of the flow regulating valve 7 to reduce the opening. When the flow parameter exceeds the preset lower flow threshold, the valve opening increase instruction controls the valve rotation of the flow regulating valve 7 to increase the opening. By controlling the valve opening of the flow regulating valve 7, the flow of the output nitrogen-hydrogen mixture is stabilized to meet production needs.

[0078] Figure 4 The second embodiment of the monitoring and control method based on the ammonia decomposition device provided by the present invention further includes the following steps:

[0079] S100: Acquire multiple actual values ​​of at least one operation monitoring parameter of at least one decomposition processing device at multiple times respectively;

[0080] S200: Storing the data of the plurality of actual values ​​in an external memory.

[0081] By storing the actual values ​​of the operating parameters at multiple times, the operating parameters can be archived. When the ammonia decomposition device 100 fails during operation, it is convenient to quickly find the cause based on the stored operating parameters and repair the ammonia decomposition device 100.

[0082] The present invention monitors the decomposition device in the ammonia decomposition equipment 100, and controls the action of the corresponding feedback device according to the relationship between the actual value of the obtained operation monitoring parameter and the preset condition, so as to promptly remind the staff to handle it when the actual value of the operation monitoring parameter of the decomposition processing device is abnormal, or control the corresponding device to ensure the normal operation of the ammonia decomposition equipment 100, improve the purity stability of the nitrogen-hydrogen mixed gas produced and outputted by it, store the actual values ​​of the operation parameters at multiple times, so as to archive the operation parameters, and when the ammonia decomposition equipment 100 fails during operation, it is convenient to quickly find the cause according to the stored operation parameters and repair the ammonia decomposition equipment 100.

[0083] It should be noted that the workflow described above is merely illustrative and does not limit the scope of protection of the present invention. In practical applications, technicians in this field can select part or all of them according to actual needs to achieve the purpose of the present embodiment, and no limitation is made here.

[0084] In addition, it should be noted that, in this article, the terms "include", "comprises" or any other variations thereof are intended to cover non-exclusive inclusion, so that a process, method, article or system including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or system. In the absence of further restrictions, an element defined by the sentence "comprises a ..." does not exclude the existence of other identical elements in the process, method, article or system including the element.

[0085] The serial numbers of the above embodiments of the present invention are only for description and do not represent the advantages or disadvantages of the embodiments.

[0086] Through the description of the above implementation methods, those skilled in the art can clearly understand that the above-mentioned embodiment methods can be implemented by means of software plus a necessary general hardware platform, and of course by hardware, but in many cases the former is a better implementation method. Based on such an understanding, the technical solution of the present invention, or the part that contributes to the prior art, can be embodied in the form of a software product, which is stored in a storage medium (such as a read-only memory (ROM) / RAM, a magnetic disk, or an optical disk), and includes a number of instructions for a terminal device (which can be a mobile phone, a computer, a server, or a network device, etc.) to execute the methods described in each embodiment of the present invention.

[0087] The above description is only a preferred embodiment of the present invention, and does not limit the patent scope of the present invention. All equivalent structural changes made by using the contents of the present invention specification and drawings under the inventive concept of the present invention, or directly / indirectly applied in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A monitoring and control method based on an ammonia decomposition device, characterized in that: The ammonia decomposition equipment includes a plurality of decomposition processing devices and a plurality of feedback devices in the process of ammonia decomposition to generate hydrogen; The monitoring and control method based on the ammonia decomposition equipment comprises the following steps: Obtaining an actual value of at least one operation monitoring parameter of at least one of the decomposition and processing devices; When the actual value of the operation monitoring parameter meets the preset condition, a control instruction is generated; Outputting the control instruction to the corresponding feedback device to control the feedback device to perform feedback action; The ammonia decomposition equipment comprises: A storage tank, used for storing liquid ammonia, wherein the storage tank is provided with a first liquid outlet; An intermediate tank, wherein a liquid storage area and a gas storage area are sequentially distributed in the up-down direction, the liquid storage area is connected with the gas storage area, the liquid storage area is provided with a first liquid inlet and a second liquid outlet, the first liquid inlet is connected with the first liquid outlet, and the gas storage area is provided with a gas inlet and a gas outlet; a vaporizer, used for heating liquid ammonia and vaporizing the liquid ammonia, the vaporizer being provided with an inlet and an outlet, the second liquid outlet being connected to the inlet and used for conveying liquid ammonia to the vaporizer, and the gas inlet being connected to the outlet; A decomposition furnace, provided with an air inlet and an air outlet, wherein the air inlet is connected to the air outlet and is used to transport the ammonia gas in the intermediate tank to the decomposition furnace; a heat exchanger, connected to the air inlet and the air outlet, respectively, for heat exchange between the gas at the air inlet and the gas at the air outlet; A monitor, disposed at the gas outlet, for detecting the purity of the gas at the gas outlet; A purifier, provided with an air inlet and an air outlet, wherein the air inlet is connected to the air outlet, and the air outlet is used to output the purified gas; A safety regulating valve, provided at the first liquid inlet, for controlling the liquid inlet amount of the intermediate tank; A flow meter, disposed at the gas outlet, for detecting the gas flow monitoring at the gas outlet; A flow regulating valve, arranged on the side of the flow meter close to the gas outlet, for controlling the gas delivery volume of the gas outlet; A plurality of liquid level gauges, arranged in the storage tank and the intermediate tank; A plurality of pressure sensors, disposed in the storage tank and the intermediate tank; A plurality of temperature sensors are respectively disposed on the storage tank, the intermediate tank, the vaporizer, the decomposition furnace and the purifier; and, A control device, the control device comprising: a memory, a processor, and a monitoring and control program based on an ammonia decomposition device stored in the memory and executable on the processor, the monitoring and control program based on the ammonia decomposition device being configured to implement the steps of a monitoring and control method for an ammonia decomposition device, the control device being electrically connected to the monitor, the safety regulating valve, the flow meter, the flow regulating valve, the plurality of liquid level gauges, the plurality of pressure sensors, and the plurality of temperature sensors.

2. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The plurality of decomposition processing devices include a decomposition furnace, and the corresponding feedback device includes a first alarm; The operation monitoring parameters include an ammonia concentration parameter and / or a first temperature parameter; Correspondingly, the preset condition includes exceeding a preset concentration threshold and / or exceeding a first preset temperature threshold; Correspondingly, the control instruction is a first alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

3. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The plurality of decomposition and processing devices include storage tanks, and the corresponding feedback device includes a second alarm; The operation monitoring parameters include a second temperature parameter and / or a first liquid level parameter and / or a first pressure parameter; Correspondingly, the preset conditions include exceeding a second preset temperature threshold and / or being lower than a first preset liquid level threshold and / or exceeding a first preset pressure threshold; Correspondingly, the control instruction is a second alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

4. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The multiple decomposition processing devices include an intermediate tank, the corresponding feedback device includes a third alarm, the operation monitoring parameter includes a third temperature parameter and / or a second pressure parameter, and the corresponding preset condition includes exceeding a third preset temperature threshold and / or exceeding a second preset pressure threshold. Correspondingly, the control instruction is a third alarm control instruction, and the feedback action is a flash warning and / or a voice warning; and / or, The multiple decomposition and processing devices include a storage tank and an intermediate tank, and the corresponding feedback device includes a safety regulating valve, which is arranged on the connecting pipeline between the first liquid outlet of the storage tank and the first liquid inlet of the intermediate tank. The operation monitoring parameter includes a second liquid level parameter, wherein: when the preset condition includes exceeding the preset liquid level upper threshold, the corresponding control instruction is a valve closing instruction, and the feedback action is the valve rotation to close; when the preset condition includes exceeding the preset liquid level lower threshold, the corresponding control instruction is a valve opening instruction, and the feedback action is the valve rotation to open.

5. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The plurality of decomposition and processing devices include a vaporizer, and the corresponding feedback device includes a fourth alarm; The operation monitoring parameters include a fourth temperature parameter; Correspondingly, the preset condition includes exceeding a fourth preset temperature threshold; Correspondingly, the control instruction is a fourth alarm control instruction, and the feedback action is a flash warning and / or a voice warning.

6. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The multiple decomposition and processing devices include a purifier, and the corresponding feedback device includes a fifth alarm and a flow regulating valve, and the flow regulating valve is arranged on the output pipeline of the purifier, wherein: The operation monitoring parameter includes a fifth temperature parameter, and correspondingly, the preset condition is exceeding a fifth preset temperature threshold, and correspondingly, the control instruction is a fifth alarm control instruction, and the feedback action is a flash warning and / or a voice warning; or, The operation monitoring parameters include flow parameters of the purifier outlet. When the preset conditions include exceeding a preset upper flow threshold, the corresponding control instruction is a valve opening reduction instruction, and the feedback action is valve rotation to reduce the opening; when the preset conditions include exceeding a preset lower flow threshold, the corresponding control instruction is a valve opening increase instruction, and the feedback action is valve rotation to increase the opening.

7. The monitoring and control method based on the ammonia decomposition equipment according to claim 1, characterized in that: The monitoring and control method based on the ammonia decomposition device also includes the following steps: Respectively obtaining a plurality of actual values ​​of at least one operation monitoring parameter of at least one of the decomposition and processing devices at a plurality of times; The data of the plurality of actual values ​​are stored in an external memory.

8. A monitoring and control device for generating hydrogen based on an ammonia decomposition device, characterized in that: include: A memory, a processor, and a monitoring and control program based on an ammonia decomposition device stored in the memory and executable on the processor, wherein the monitoring and control program based on an ammonia decomposition device is configured to implement the steps of a monitoring and control method based on an ammonia decomposition device as claimed in any one of claims 1 to 7.

9. A storage medium, characterized in that: The storage medium stores the monitoring and control program based on the ammonia decomposition device, and when the monitoring and control program based on the ammonia decomposition device is executed by the processor, the steps of the monitoring and control method based on the ammonia decomposition device according to any one of claims 1 to 7 are implemented.

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