Method and system for monitoring solvent leakage in chemical plant based on internet of things

Abstract

The application provides a method and system for monitoring solvent leakage in a chemical plant based on the Internet of Things. The method comprises the following steps: acquiring the number information of solvent storage tanks in the chemical plant and the number information of sensors corresponding to each solvent storage tank in real time; setting a communication link transmission principle according to the number information of solvent storage tanks in the chemical plant and the number information of sensors corresponding to each solvent storage tank; collecting parameter information of each solvent storage tank in real time through a sensor assembly and transmitting the parameter information to a monitoring platform according to the communication link transmission principle; and comparing the parameter information with a pre-set parameter information threshold in the monitoring platform, and alarming when the parameter information does not meet the pre-set parameter information threshold. The system comprises modules corresponding to the method steps.

Description

TECHNICAL FIELD

[0001] The application provides a method and system for monitoring solvent leakage of a chemical plant based on an Internet of Things, and belongs to the technical field of plant monitoring. BACKGROUND

[0002] Common solvents of large chemical plants are often stored in large storage tanks, and lack high-performance monitoring functions. After a long production process, the storage tanks may gradually wear out and leak, causing a large amount of solvent to evaporate naturally, resulting in loss. At the same time, it is difficult to manage regulated solvents such as acetone. SUMMARY

[0003] The application provides a method and system for monitoring solvent leakage of a chemical plant based on an Internet of Things, and belongs to the technical field of plant monitoring.

[0004] A method for monitoring solvent leakage of a chemical plant based on an Internet of Things, the method comprising:

[0005] real-time acquisition of the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant;

[0006] setting a communication link sending principle according to the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant;

[0007] real-time acquisition of the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant;

[0008] The monitoring platform compares the parameter information with a pre-set parameter information threshold, and alarms when the parameter information does not meet the pre-set parameter information threshold.

[0009] Further, the real-time acquisition of the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant comprises:

[0010] real-time information scanning of the Internet of Things nodes of the chemical plant;

[0011] acquiring the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant through information scanning.

[0012] Further, the communication link sending principle is set according to the number of solvent storage tanks of the chemical plant and the number of sensors corresponding to each of the solvent storage tanks of the chemical plant, comprising:

[0013] According to the number of sensors corresponding to the chemical plant solvent storage tank, the chemical plant solvent storage tank is classified and divided to obtain a plurality of chemical plant solvent storage tank sets; wherein, for the chemical plant solvent storage tank, the same number of sensors corresponds to the same chemical plant solvent storage tank set;

[0014] Each of the chemical plant solvent storage tank sets is numbered, and the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is determined by the chemical plant solvent storage tank number;

[0015] When the number of sensors corresponding to the chemical plant solvent storage tank set exceeds the preset sensor threshold, each chemical plant solvent storage tank in the chemical plant solvent storage tank set is set to correspond to a communication link;

[0016] When the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set correspond to a communication link;

[0017] When the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set correspond to a communication link, comprising:

[0018] For the chemical plant solvent storage tank set with the number of sensors not exceeding the preset sensor threshold, the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is extracted;

[0019] Determine whether the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold;

[0020] When the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold, then every two chemical plant solvent storage tanks correspond to a communication link, and the last remaining chemical plant solvent storage tank less than two is merged into any two chemical plant solvent storage tanks to share a communication link;

[0021] When the number of chemical plant solvent storage tanks does not exceed the preset number of chemical plant solvent storage tanks threshold, then every three chemical plant solvent storage tanks correspond to a communication link, and the last remaining chemical plant solvent storage tank less than three is merged into any three chemical plant solvent storage tanks to share a communication link.

[0022] Further, the parameter information of each chemical plant solvent storage tank is collected in real time by the sensor assembly, and the parameter information is sent to the monitoring platform, comprising:

[0023] The gas sensor monitors the gas concentration information around the chemical plant solvent storage tank in real time;

[0024] The weight information around the solvent storage tank of the chemical plant is monitored in real time by a weight sensor;

[0025] The gas concentration information and the weight information are sent to the monitoring platform according to a preset communication link sending principle.

[0026] A system for monitoring solvent leakage of a chemical plant based on the Internet of Things, the system comprising:

[0027] An information acquisition module for acquiring quantity information of the solvent storage tanks of the chemical plant and sensor quantity information corresponding to each of the solvent storage tanks of the chemical plant in real time;

[0028] A setting module for setting a communication link sending principle according to the quantity information of the solvent storage tanks of the chemical plant and the sensor quantity information corresponding to each of the solvent storage tanks of the chemical plant;

[0029] A principle sending module for collecting parameter information of each of the solvent storage tanks of the chemical plant in real time by a sensor assembly and sending the parameter information to the monitoring platform according to the communication link sending principle;

[0030] An alarm module for comparing the parameter information with a pre-set parameter information threshold value by the monitoring platform, and alarming when the parameter information does not conform to the pre-set parameter information threshold value.

[0031] Further, the information acquisition module comprises:

[0032] An information scanning module for scanning information of Internet of Things nodes of the chemical plant in real time;

[0033] A quantity information acquisition module for acquiring the quantity information of the solvent storage tanks of the chemical plant and the sensor quantity information corresponding to each of the solvent storage tanks of the chemical plant by information scanning.

[0034] Further, the setting module comprises:

[0035] A classification and division module for classifying and dividing the solvent storage tanks of the chemical plant according to the sensor quantity corresponding to each of the solvent storage tanks of the chemical plant to obtain a plurality of solvent storage tank sets; wherein, for the solvent storage tanks of the chemical plant, the same sensor quantity corresponds to the same solvent storage tank set.

[0036] A solvent storage tank quantity module for numbering the solvent storage tanks of each of the solvent storage tank sets of the chemical plant and determining the quantity of the solvent storage tanks in each of the solvent storage tank sets of the chemical plant by the solvent storage tank number.

[0037] The first communication link setting module is used for setting one communication link for each chemical plant solvent storage tank in the set of chemical plant solvent storage tanks when the number of sensors corresponding to the set of chemical plant solvent storage tanks exceeds the preset sensor threshold value.

[0038] The second communication link setting module is used for setting one communication link for a plurality of chemical plant solvent storage tanks in the set of chemical plant solvent storage tanks when the number of sensors corresponding to the set of chemical plant solvent storage tanks does not exceed the preset sensor threshold value.

[0039] The second communication link setting module comprises:

[0040] The information extraction module is used for extracting the number of chemical plant solvent storage tanks in each set of chemical plant solvent storage tanks when the number of sensors does not exceed the preset sensor threshold value.

[0041] The number judgment module is used for judging whether the number of chemical plant solvent storage tanks exceeds the preset number threshold value of chemical plant solvent storage tanks.

[0042] The first communication module is used for setting one communication link for every two chemical plant solvent storage tanks when the number of chemical plant solvent storage tanks exceeds the preset number threshold value of chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tank less than two is combined into any two chemical plant solvent storage tanks to share one communication link.

[0043] The second communication module is used for setting one communication link for every three chemical plant solvent storage tanks when the number of chemical plant solvent storage tanks does not exceed the preset number threshold value of chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tank less than three is combined into any three chemical plant solvent storage tanks to share one communication link.

[0044] Further, the principle sending module comprises:

[0045] The first detection information acquisition module is used for monitoring the gas concentration information around the chemical plant solvent storage tank in real time through a gas sensor.

[0046] The second detection information acquisition module is used for monitoring the weight information around the chemical plant solvent storage tank in real time through a weight sensor.

[0047] The detection sending acquisition module is used for sending the gas concentration information and the weight information to the monitoring platform according to the preset communication link sending principle.

[0048] The present application has the following beneficial effects:

[0049] This invention proposes a method and system for monitoring solvent leaks in chemical plants based on the Internet of Things (IoT). Utilizing IoT technology, gas sensors, weight sensors, and other sensors are used to monitor each storage tank. If abnormal weight changes or abnormally high concentrations of volatile solvents in the surrounding area are detected, an alarm is triggered for maintenance. Simultaneously, IoT technology enables timely monitoring and repair of storage tanks, reducing solvent evaporation losses and improving the control capabilities for hazardous chemicals. Attached Figure Description

[0050] Figure 1 This is a flowchart of the method described in this invention;

[0051] Figure 2 This is a system block diagram of the system described in this invention. Detailed Implementation

[0052] The preferred embodiments of the present invention will be described below with reference to the accompanying drawings. It should be understood that the preferred embodiments described herein are for illustration and explanation only and are not intended to limit the present invention.

[0053] One embodiment of the present invention provides a method for monitoring solvent leaks in chemical plants based on the Internet of Things (IoT). Figure 1 As shown, the method includes:

[0054] S1. Obtain in real time the quantity information of the solvent storage tanks in the chemical plant, and the number of sensors corresponding to each solvent storage tank in the chemical plant;

[0055] S2. Set the communication link transmission principle based on the quantity information of the solvent storage tanks in the chemical plant and the number of sensors corresponding to each solvent storage tank in the chemical plant;

[0056] S3. Collect parameter information of each solvent storage tank in the chemical plant in real time through sensor components, and send the parameter information to the monitoring platform according to the communication link transmission principle;

[0057] S4. The monitoring platform compares the parameter information with a preset parameter information threshold, and issues an alarm when the parameter information does not meet the preset parameter information threshold.

[0058] The working principle of the technical solution is that: first, the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank are acquired in real time; then, the communication link sending principle is set according to the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank; subsequently, the parameter information of each chemical plant solvent storage tank is collected in real time through the sensor assembly, and the parameter information is sent to the monitoring platform according to the communication link sending principle; finally, the monitoring platform compares the parameter information with the pre-set parameter information threshold, and alarms when the parameter information does not meet the pre-set parameter information threshold.

[0059] The effect of the technical solution is that: the embodiment proposes a method for monitoring chemical plant solvent leakage based on the Internet of Things, which utilizes the Internet of Things technology, gas sensors, weight sensors and the like to monitor each storage tank, and alarms for repair if abnormal weight change or abnormally high surrounding volatile solvent concentration is detected. At the same time, the Internet of Things technology is used to monitor and repair the storage tank in a timely manner, reduce the loss of solvent evaporation, and improve the control ability of dangerous chemicals.

[0060] In an embodiment of the present application, the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank are acquired in real time, including:

[0061] S101, information scanning of the Internet of Things node of the chemical plant is performed in real time;

[0062] S102, the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank are acquired through information scanning.

[0063] The working principle of the technical solution is that: first, the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank are acquired in real time; then, the communication link sending principle is set according to the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank.

[0064] The effect of the technical solution is that: the Internet of Things technology is used, gas sensors, weight sensors and the like are used to monitor each storage tank, and alarms for repair if abnormal weight change or abnormally high surrounding volatile solvent concentration is detected. At the same time, the Internet of Things technology is used to monitor and repair the storage tank in a timely manner, reduce the loss of solvent evaporation, and improve the control ability of dangerous chemicals.

[0065] In an embodiment of the present application, the communication link sending principle is set according to the number information of the chemical plant solvent storage tank and the corresponding sensor number information of each chemical plant solvent storage tank, including:

[0066] S201, according to the number of sensors corresponding to the chemical plant solvent storage tank, the chemical plant solvent storage tank is classified and divided, and a plurality of chemical plant solvent storage tank sets are obtained; wherein, for the chemical plant solvent storage tank, the same number of sensors corresponds to the same chemical plant solvent storage tank set;

[0067] S202, the chemical plant solvent storage tank set is numbered, and the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is determined by the chemical plant solvent storage tank number;

[0068] S203, when the number of sensors corresponding to the chemical plant solvent storage tank set exceeds the preset sensor threshold, one communication link is set for each chemical plant solvent storage tank in the chemical plant solvent storage tank set;

[0069] S204, when the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set correspond to one communication link;

[0070] When the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set correspond to one communication link, comprising:

[0071] S2041, for the chemical plant solvent storage tank set with the number of sensors not exceeding the preset sensor threshold, the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is extracted;

[0072] S2042, it is judged whether the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold;

[0073] S2043, when the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold, then every two chemical plant solvent storage tanks correspond to one communication link, and the last remaining chemical plant solvent storage tank less than two is merged into any two chemical plant solvent storage tanks to share a communication link;

[0074] S2044, when the number of chemical plant solvent storage tanks does not exceed the preset number of chemical plant solvent storage tanks threshold, then every three chemical plant solvent storage tanks correspond to one communication link, and the last remaining chemical plant solvent storage tank less than three is merged into any three chemical plant solvent storage tanks to share a communication link.

[0075] The working principle of the above technical solution is as follows: first, the chemical plant solvent storage tanks are classified and divided according to the number of sensors corresponding to the chemical plant solvent storage tanks, and a plurality of chemical plant solvent storage tank sets are obtained; wherein, for the chemical plant solvent storage tank, the same number of sensors corresponds to the same chemical plant solvent storage tank set;

[0076] Then, the chemical plant solvent storage tank number of each chemical plant solvent storage tank set is determined, and the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is determined by the chemical plant solvent storage tank number;

[0077] Subsequently, when the number of sensors corresponding to the chemical plant solvent storage tank set exceeds the preset sensor threshold, one communication link is set for each chemical plant solvent storage tank in the chemical plant solvent storage tank set;

[0078] Finally, when the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, one communication link is set for a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set;

[0079] Specifically, when the number of sensors corresponding to the chemical plant solvent storage tank set does not exceed the preset sensor threshold, one communication link is set for a plurality of chemical plant solvent storage tanks in the chemical plant solvent storage tank set, including:

[0080] First, for the chemical plant solvent storage tank set with a number of sensors not exceeding the preset sensor threshold, the number of chemical plant solvent storage tanks in each chemical plant solvent storage tank set is extracted;

[0081] Then, it is judged whether the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold;

[0082] Subsequently, when the number of chemical plant solvent storage tanks exceeds the preset number of chemical plant solvent storage tanks threshold, then one communication link is set for every two chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tank less than two is merged into any two chemical plant solvent storage tanks to share a communication link;

[0083] Finally, when the number of chemical plant solvent storage tanks does not exceed the preset number of chemical plant solvent storage tanks threshold, then one communication link is set for every three chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tank less than three is merged into any three chemical plant solvent storage tanks to share a communication link.

[0084] The effect of the technical scheme is as follows: the Internet of Things technology is used, gas sensors, weight sensors and the like are used to monitor each storage tank, if abnormal weight change or abnormally high concentration of volatile solvent around is detected, an alarm is given for maintenance, meanwhile, the Internet of Things technology is used to monitor and repair the storage tank in time, reduce the loss of solvent volatilization, and improve the control ability of dangerous chemicals.

[0085] In an embodiment of the present application, the parameter information of each chemical plant solvent storage tank is collected in real time by a sensor assembly, and the parameter information is sent to a monitoring platform, comprising:

[0086] S301, the gas concentration information around the chemical plant solvent storage tank is monitored in real time by a gas sensor;

[0087] S302, the weight information around the chemical plant solvent storage tank is monitored in real time by a weight sensor;

[0088] S303, the gas concentration information and the weight information are sent to the monitoring platform according to a preset communication link sending principle.

[0089] The working principle of the technical scheme is as follows: first, the gas concentration information around the chemical plant solvent storage tank is monitored in real time by a gas sensor; then, the weight information around the chemical plant solvent storage tank is monitored in real time by a weight sensor; finally, the gas concentration information and the weight information are sent to the monitoring platform according to a preset communication link sending principle.

[0090] The effect of the technical scheme is as follows: the Internet of Things technology is used, gas sensors, weight sensors and the like are used to monitor each storage tank, if abnormal weight change or abnormally high concentration of volatile solvent around is detected, an alarm is given for maintenance, meanwhile, the Internet of Things technology is used to monitor and repair the storage tank in time, reduce the loss of solvent volatilization, and improve the control ability of dangerous chemicals.

[0091] An embodiment of the present application proposes a system for monitoring chemical plant solvent leakage based on the Internet of Things, as shown in Figure 2 The system comprises:

[0092] An information acquisition module is configured to acquire the quantity information of the chemical plant solvent storage tanks and the sensor quantity information corresponding to each chemical plant solvent storage tank in real time;

[0093] A setting module is configured to set a communication link sending principle according to the quantity information of the chemical plant solvent storage tanks and the sensor quantity information corresponding to each chemical plant solvent storage tank;

[0094] The principle sending module is used for collecting parameter information of each chemical plant solvent storage tank in real time through a sensor component and sending the parameter information to the monitoring platform according to a communication link sending principle;

[0095] The alarm module is used for comparing the parameter information with a pre-set parameter information threshold value by the monitoring platform, and alarming when the parameter information does not conform to the pre-set parameter information threshold value.

[0096] The working principle of the above technical solution is as follows: firstly, the number information of the chemical plant solvent storage tank and the sensor number information corresponding to each chemical plant solvent storage tank are acquired in real time through the information acquisition module; then, the communication link sending principle is set by the setting module according to the number information of the chemical plant solvent storage tank and the sensor number information corresponding to each chemical plant solvent storage tank; then, the parameter information of each chemical plant solvent storage tank is collected in real time through the sensor component, and the parameter information is sent to the monitoring platform according to the communication link sending principle by the principle sending module; finally, the monitoring platform compares the parameter information with a pre-set parameter information threshold value by the alarm module, and alarms when the parameter information does not conform to the pre-set parameter information threshold value.

[0097] The effect of the above technical solution is that the system for monitoring chemical plant solvent leakage based on the Internet of Things utilizes the Internet of Things technology, monitors each storage tank through a gas sensor, a weight sensor and the like, and alarms for maintenance if abnormal weight change or abnormally high surrounding volatile solvent concentration is detected. At the same time, the Internet of Things technology is utilized to monitor and repair the storage tank in a timely manner, reduce the loss of solvent volatilization, and improve the control ability of dangerous chemicals.

[0098] In an embodiment of the present application, the information acquisition module comprises:

[0099] The information scanning module is used for scanning the information of the Internet of Things node of the chemical plant in real time.

[0100] The number information acquisition module is used for acquiring the number information of the chemical plant solvent storage tank and the sensor number information corresponding to each chemical plant solvent storage tank through information scanning.

[0101] The working principle of the above technical solution is as follows: firstly, the information of the Internet of Things node of the chemical plant is scanned in real time by the information scanning module; finally, the number information of the chemical plant solvent storage tank and the sensor number information corresponding to each chemical plant solvent storage tank are acquired through information scanning by the number information acquisition module.

[0102] The above technical scheme has the following effects: by using the Internet of Things technology, each storage tank is monitored through a gas sensor, a weight sensor and the like, and if an abnormal change in weight or an abnormally high concentration of volatile solvent in the surrounding environment is detected, an alarm is given for maintenance. Meanwhile, by using the Internet of Things technology, the storage tank is monitored and repaired in a timely manner, the loss of solvent volatilization is reduced, and the control ability for dangerous chemicals is improved.

[0103] In one embodiment of the present application, the setting module comprises:

[0104] The classification and division module is configured to classify and divide the solvent storage tanks of the chemical plant according to the number of sensors corresponding to the solvent storage tanks of the chemical plant, to obtain a plurality of sets of solvent storage tanks of the chemical plant; wherein, for the solvent storage tanks of the chemical plant, the same number of sensors corresponds to the same set of solvent storage tanks of the chemical plant.

[0105] The number of solvent storage tanks of the chemical plant module is configured to number each set of solvent storage tanks of the chemical plant, and to determine the number of solvent storage tanks in each set of solvent storage tanks of the chemical plant through the number of solvent storage tanks of the chemical plant.

[0106] The first communication link setting module is configured to set one communication link for each solvent storage tank of the set of solvent storage tanks of the chemical plant when the number of sensors corresponding to the set of solvent storage tanks of the chemical plant exceeds a preset sensor threshold.

[0107] The second communication link setting module is configured to set one communication link for a plurality of solvent storage tanks in the set of solvent storage tanks of the chemical plant when the number of sensors corresponding to the set of solvent storage tanks of the chemical plant does not exceed a preset sensor threshold.

[0108] The second communication link setting module comprises:

[0109] The information extraction module is configured to extract the number of solvent storage tanks in each set of solvent storage tanks of the chemical plant when the number of sensors corresponding to the set of solvent storage tanks of the chemical plant does not exceed a preset sensor threshold.

[0110] The number judgment module is configured to judge whether the number of solvent storage tanks of the chemical plant exceeds a preset number threshold of solvent storage tanks of the chemical plant.

[0111] The first communication module is configured to set one communication link for every two solvent storage tanks of the chemical plant when the number of solvent storage tanks of the chemical plant exceeds a preset number threshold of solvent storage tanks of the chemical plant, and to combine the last remaining solvent storage tank that is less than two into any two solvent storage tanks to share one communication link.

[0112] The second communication module is used for when the number of the chemical plant solvent storage tanks does not exceed the preset number threshold of the chemical plant solvent storage tanks, then one communication link corresponds to every three chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tanks less than three are combined into any three chemical plant solvent storage tanks to share one communication link.

[0113] The working principle of the above technical solution is that: first, the information extraction module extracts the number of the chemical plant solvent storage tanks in each chemical plant solvent storage tank set when the number of the sensors does not exceed the preset sensor threshold;

[0114] Then, the number judgment module is used to judge whether the number of the chemical plant solvent storage tanks exceeds the preset number threshold of the chemical plant solvent storage tanks;

[0115] Subsequently, the first communication module is used to when the number of the chemical plant solvent storage tanks exceeds the preset number threshold of the chemical plant solvent storage tanks, then one communication link corresponds to every two chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tanks less than two are combined into any two chemical plant solvent storage tanks to share one communication link;

[0116] Finally, the second communication module is used to when the number of the chemical plant solvent storage tanks does not exceed the preset number threshold of the chemical plant solvent storage tanks, then one communication link corresponds to every three chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tanks less than three are combined into any three chemical plant solvent storage tanks to share one communication link.

[0117] The effect of the above technical solution is that: by using the Internet of Things technology, the gas sensor, the weight sensor and the like are used to monitor each storage tank, if abnormal weight change or abnormally high surrounding volatile solvent concentration is detected, an alarm is given for maintenance. At the same time, by using the Internet of Things technology, the storage tank is monitored and repaired in time, the loss of solvent volatilization is reduced, and the control ability of dangerous chemicals is improved.

[0118] In an embodiment of the present application, the principle sending module comprises:

[0119] The first detection information acquisition module is used for monitoring the gas concentration information around the chemical plant solvent storage tank in real time through a gas sensor;

[0120] The second detection information acquisition module is used for monitoring the weight information around the chemical plant solvent storage tank in real time through a weight sensor;

[0121] The detection sending acquisition module is used for sending the gas concentration information and the weight information to the monitoring platform according to the preset communication link sending principle.

[0122] The working principle of the technical solution is as follows: first, the first detection information acquisition module monitors the gas concentration information around the solvent storage tank of the chemical plant in real time through the gas sensor; then, the second detection information acquisition module monitors the weight information around the solvent storage tank of the chemical plant in real time through the weight sensor; subsequently, the detection sending acquisition module sends the gas concentration information and the weight information to the monitoring platform according to the preset communication link sending principle.

[0123] The effect of the technical solution is as follows: by using the Internet of Things technology, the gas sensor, the weight sensor and the like, each storage tank is monitored, and if abnormal weight change or abnormally high surrounding volatile solvent concentration is detected, an alarm is given for maintenance. At the same time, by using the Internet of Things technology, the storage tank is monitored and repaired in a timely manner, the loss of solvent evaporation is reduced, and the control ability of dangerous chemicals is improved.

[0124] Obviously, those skilled in the art can make various modifications and variations to the present application without departing from the spirit and scope of the present application. Thus, if these modifications and variations of the present application fall within the scope of the claims of the present application and their equivalents, the present application also intends to include these modifications and variations.

Claims

1. A method for monitoring solvent leakage in a chemical plant based on Internet of Things, characterized in that, The method includes: The number of solvent storage tanks in the chemical plant and the number of sensors corresponding to each solvent storage tank are acquired in real time. The communication link transmission principle is set according to the number of solvent storage tanks in the chemical plant and the number of sensors corresponding to each solvent storage tank; The sensor components collect parameter information of each solvent storage tank in the chemical plant in real time, and send the parameter information to the monitoring platform according to the communication link transmission principle; The monitoring platform compares the parameter information with a preset parameter information threshold, and issues an alarm when the parameter information does not meet the preset parameter information threshold. The communication link transmission principle is set based on the number of solvent storage tanks in the chemical plant and the number of sensors corresponding to each solvent storage tank, including: Based on the number of sensors corresponding to the solvent storage tanks in the chemical plant, the solvent storage tanks in the chemical plant are classified and divided to obtain multiple sets of solvent storage tanks in the chemical plant; wherein, for each solvent storage tank, the same number of sensors corresponds to the same set of solvent storage tanks in the chemical plant. Each set of chemical plant solvent storage tanks is assigned a chemical plant solvent storage tank number, and the number of chemical plant solvent storage tanks in each set of chemical plant solvent storage tanks is determined by the chemical plant solvent storage tank number. When the number of sensors corresponding to the set of solvent storage tanks in the chemical plant exceeds a preset sensor threshold, a communication link is set for each solvent storage tank in the set of solvent storage tanks in the chemical plant. When the number of sensors corresponding to the set of solvent storage tanks in the chemical plant does not exceed a preset sensor threshold, a communication link is set for multiple solvent storage tanks in the set of solvent storage tanks in the chemical plant. Wherein, when the number of sensors corresponding to the set of solvent storage tanks in the chemical plant does not exceed a preset sensor threshold, a communication link is set for multiple solvent storage tanks in the set of solvent storage tanks in the chemical plant to correspond to one link, including: For a set of solvent storage tanks in a chemical plant where the number of sensors does not exceed a preset sensor threshold, the number of solvent storage tanks in each set of solvent storage tanks in the chemical plant is extracted; Determine whether the number of solvent storage tanks in the chemical plant exceeds a preset threshold for the number of solvent storage tanks in the chemical plant; When the number of solvent storage tanks in the chemical plant exceeds the preset threshold for the number of solvent storage tanks in the chemical plant, then every two solvent storage tanks in the chemical plant correspond to one communication link. Any remaining solvent storage tanks with fewer than two will be merged into any two solvent storage tanks in the chemical plant and share a common communication link. When the number of solvent storage tanks in the chemical plant does not exceed the preset threshold for the number of solvent storage tanks in the chemical plant, then every three solvent storage tanks in the chemical plant correspond to one communication link. Any remaining solvent storage tanks with fewer than three will be merged into any three solvent storage tanks in the chemical plant and share a common communication link.

2. The method for monitoring solvent leakage in a chemical plant based on the Internet of Things according to claim 1, characterized in that, Real-time acquisition of the quantity information of the solvent storage tanks in the chemical plant, and the number of sensors corresponding to each solvent storage tank, including: Real-time information scanning of IoT nodes in chemical plants; The number information of the solvent storage tanks of the chemical plant and the corresponding sensor number information of each of the solvent storage tanks of the chemical plant are acquired through information scanning. 3.The method of claim 1, wherein the method further comprises: determining whether the solvent leakage is caused by a leak of a pipe or a valve based on the location of the solvent leakage. The parameter information of each of the solvent storage tanks of the chemical plant is collected in real time through the sensor assembly, and the parameter information is sent to the monitoring platform, including: The gas concentration information around the solvent storage tanks of the chemical plant is monitored in real time through the gas sensor; The weight information around the solvent storage tanks of the chemical plant is monitored in real time through the weight sensor; The gas concentration information and the weight information are sent to the monitoring platform according to the preset communication link sending principle.

4. A system for monitoring solvent leakage in a chemical plant based on Internet of Things, characterized in that, The system comprises: An information acquisition module is configured to acquire the number information of the solvent storage tanks of the chemical plant and the corresponding sensor number information of each of the solvent storage tanks of the chemical plant in real time; A setting module is configured to set a communication link sending principle according to the number information of the solvent storage tanks of the chemical plant and the corresponding sensor number information of each of the solvent storage tanks of the chemical plant; A principle sending module is configured to collect the parameter information of each of the solvent storage tanks of the chemical plant in real time through the sensor assembly, and send the parameter information to the monitoring platform according to the communication link sending principle; An alarm module is configured to compare the parameter information with a pre-set parameter information threshold value by the monitoring platform, and alarm when the parameter information does not conform to the pre-set parameter information threshold value; The setting module comprises: A classification and division module is configured to classify and divide the solvent storage tanks of the chemical plant according to the corresponding sensor number of the solvent storage tanks of the chemical plant, to obtain a plurality of solvent storage tank sets of the chemical plant; wherein for the solvent storage tanks of the chemical plant, the same sensor number corresponds to the same solvent storage tank set of the chemical plant; A solvent storage tank number module is configured to number each of the solvent storage tank sets of the chemical plant, and determine the number of solvent storage tanks in each of the solvent storage tank sets of the chemical plant through the solvent storage tank number; A first communication link setting module is configured to set one communication link for each of the solvent storage tanks in the solvent storage tank set of the chemical plant when the corresponding sensor number of the solvent storage tank set of the chemical plant exceeds a pre-set sensor threshold value; A second communication link setting module is configured to set one communication link for a plurality of solvent storage tanks in the solvent storage tank set of the chemical plant when the corresponding sensor number of the solvent storage tank set of the chemical plant does not exceed a pre-set sensor threshold value; The second communication link setting module comprises: An information extraction module is configured to extract the number of solvent storage tanks in each of the solvent storage tank sets of the chemical plant when the corresponding sensor number of the solvent storage tank set of the chemical plant does not exceed a pre-set sensor threshold value; A number judgment module is configured to judge whether the number of solvent storage tanks exceeds a pre-set number threshold value of solvent storage tanks of the chemical plant. The first communication module is used for when the number of the chemical plant solvent storage tanks exceeds the preset number threshold of the chemical plant solvent storage tanks, then one communication link corresponds to every two chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tanks less than two are combined into any two chemical plant solvent storage tanks to share one communication link. The second communication module is used for when the number of the chemical plant solvent storage tanks does not exceed the preset number threshold of the chemical plant solvent storage tanks, then one communication link corresponds to every three chemical plant solvent storage tanks, and the last remaining chemical plant solvent storage tanks less than three are combined into any three chemical plant solvent storage tanks to share one communication link.

5. The system for monitoring leakage of solvents in a chemical plant based on Internet of Things as claimed in claim 4 wherein, The information acquisition module comprises: The information scanning module is used for real-time information scanning of the Internet of Things node of the chemical plant; The number information acquisition module is used for acquiring the number information of the chemical plant solvent storage tank and the number information of the corresponding sensor of each chemical plant solvent storage tank through information scanning.

6. The system for monitoring leakage of solvents in a chemical plant based on Internet of Things as claimed in claim 4 wherein, The principle sending module comprises: The first detection information acquisition module is used for real-time monitoring of the gas concentration information around the chemical plant solvent storage tank through the gas sensor; The second detection information acquisition module is used for real-time monitoring of the weight information around the chemical plant solvent storage tank through the weight sensor; The detection sending acquisition module is used for sending the gas concentration information and the weight information to the monitoring platform according to the preset communication link sending principle.

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