Safety protection system for chemical dosing room and use method of safety protection system

Abstract

The invention provides a chemical dosing room safety protection system and a use method thereof. The chemical dosing room safety protection system comprises an environment monitoring module, a ventilation control module, a spraying and eye washing module, a central control unit, an alarm and warning module and a remote monitoring platform. The system monitors environmental parameters in real time through multiple sensors, automatically starts protection measures such as ventilation and spraying based on a preset threshold value, and realizes intelligent linkage control. According to the invention, a safety protection system integrating risk perception, intelligent decision and active protection is constructed, early warning and rapid automatic response to toxic gas leakage can be realized, and the emergency processing efficiency is significantly improved. Meanwhile, through remote monitoring and data recording functions, digitization and traceability of safety management are achieved, the intrinsic safety level of a chemical dosing room is effectively improved, and personnel health and production safety are guaranteed.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of industrial safety protection, and in particular to a chemical dosing room safety protection system and a use method thereof. BACKGROUND

[0002] In a biomass cogeneration project, a chemical dosing room is a key area for handling toxic and corrosive chemicals such as ammonia and hydrazine. In the prior art, the chemical dosing room usually adopts basic protection measures such as mechanical ventilation, cofferdams and emergency sprinklers, but has the following problems: the protection measures are scattered, lack of system integration and intelligent linkage; it relies on manual inspection and cannot monitor the leakage of toxic gases in real time; the emergency response efficiency is low and lacks automatic control and remote management; and it lacks comprehensive monitoring of personnel behavior and equipment status. For example, although a project sets up ventilation, sprinkling and eye washers, it still mainly relies on passive protection and does not form an active and intelligent safety protection system. SUMMARY

[0003] The present application aims to provide a chemical dosing room safety protection system and a use method thereof, which realizes all-round and active safety protection of the chemical dosing room through multi-sensor fusion, intelligent control and emergency linkage.

[0004] According to one object of the present application, the present application provides a chemical dosing room safety protection system, comprising an environment monitoring module, a ventilation control module, a sprinkling and eye washing module, a central control unit, an alarm and warning module and a remote monitoring platform; the central control unit is in communication connection with the environment monitoring module, the ventilation control module, the sprinkling and eye washing module, the alarm and warning module and the remote monitoring platform respectively, and is used for executing automatic control according to environment data.

[0005] Further, the environment monitoring module comprises gas sensors for detecting ammonia and hydrazine concentrations, temperature and humidity sensors, dust sensors and liquid level sensors.

[0006] Further, the ventilation control module comprises explosion-proof axial flow fans, intelligent air valves and air pressure sensors, which can automatically adjust the ventilation volume according to the environment monitoring data.

[0007] Further, the sprinkling and eye washing module comprises foot-operated sprinkling devices, automatic eye washers and water quality filters, the automatic eye washers are equipped with infrared induction triggering devices and support manual and automatic dual-mode triggering.

[0008] Further, the central control unit comprises a PLC controller, a communication module and a man-machine interface, and the communication module supports 4G, Wi-Fi or Ethernet communication.

[0009] Further, the alarm and warning module comprises an audible and visual alarm, a regional warning line and an electronic signboard, wherein the electronic signboard is an LED display screen capable of dynamically displaying warning information.

[0010] Further, a door access control module is further included and linked with the central control unit, for automatically locking the entrance of the chemical dosing room in an alarm state.

[0011] According to another object of the present application, the present application provides a use method of the above-mentioned chemical dosing room safety protection system, comprising the following steps: S1, real-time monitoring of environmental parameters of the chemical dosing room; S2, automatic control of the ventilation system, the spraying device or triggering of the alarm according to the preset threshold value; S3, recording of event data and generation of a safety report; S4, real-time monitoring and emergency command through a remote monitoring platform.

[0012] Further, the preset threshold value comprises a first threshold value of 10 ppm for ammonia concentration, a second threshold value of 20 ppm for ammonia concentration, a first threshold value of 5 ppm for hydrazine concentration and a second threshold value of 10 ppm for hydrazine concentration.

[0013] Further, a system self-checking step is further included, for periodically checking the state of the sensors and the execution equipment and calibrating the same.

[0014] The technical scheme of the present application realizes the whole-process automatic management from risk perception, intelligent decision to active protection by integrating the six modules of environmental monitoring, ventilation control, eye washing, central control, alarm and warning and remote monitoring into an organic whole working in cooperation. The system can realize real-time and accurate perception and early warning of environmental risks, and automatically trigger a series of chain protection actions such as enhanced ventilation, starting of spraying, audible and visual alarm, remote notification and the like when a dangerous situation occurs, so as to realize early discovery and rapid response to accidents such as leakage of toxic and harmful substances, greatly improving the efficiency and reliability of emergency handling. At the same time, with the help of remote monitoring and data recording functions, the safety management is digitized and traceable, which provides solid data support for optimizing operation procedures and accident analysis, thereby significantly improving the intrinsic safety level of the chemical dosing room and effectively protecting the health of personnel and production safety. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the specific embodiments of the present application or the technical solutions in the prior art, the drawings needed in the specific embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creative labor.

[0016] Figure 1 This is a system framework diagram of an embodiment of the present invention; Figure 2 This is a flowchart of the method according to an embodiment of the present invention; Detailed Implementation The technical solution of the present invention will be clearly and completely described below with reference to the embodiments. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.

[0017] In the description of this invention, it should be understood that the terms "center," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," and "counterclockwise," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing this invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limiting this invention.

[0018] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of the stated features. In the description of this invention, "a plurality of" means two or more, unless otherwise explicitly specified. Furthermore, the terms "installed," "connected," and "linked" should be interpreted broadly; for example, they may refer to a fixed connection, a detachable connection, or an integral connection; they may refer to a mechanical connection or an electrical connection; they may refer to a direct connection or an indirect connection through an intermediate medium; and they may refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.

[0019] Example 1 like Figure 1 As shown, a safety protection system for a chemical dosing room includes an environmental monitoring module, a ventilation control module, a sprinkler and eyewash module, a central control unit, an alarm and warning module, and a remote monitoring platform, wherein: The environmental monitoring module includes gas sensors, temperature and humidity sensors, dust sensors, and liquid level sensors; specifically, the gas sensors include ammonia sensors and hydrazine gas sensors, and the gas sensors are electrochemical or semiconductor type.

[0020] The ventilation control module comprises an explosion-proof axial flow fan, an intelligent air valve and an air pressure sensor, and automatically adjusts the air volume according to environmental data. The explosion-proof axial flow fan is a T35-11 type, and the air volume is not less than 7826 m 3 / h.

[0021] The spraying and eye washing module comprises a foot-operated spraying device, an automatic eye washer and a water quality filter. The automatic eye washer is equipped with an infrared induction triggering device. In this embodiment, the spraying and eye washing module supports manual and automatic dual-mode triggering.

[0022] The central control unit comprises a PLC controller, a communication module and a human-machine interface, realizes data acquisition, logic judgment and control output, and supports 4G, Wi-Fi or Ethernet communication.

[0023] The alarm and warning module comprises an audible and visual alarm, a regional warning line and an electronic signboard. The electronic signboard is an LED display screen, and supports dynamic display of warning words.

[0024] The remote monitoring platform is a Web or APP-based cloud platform, realizes remote data viewing and control through Internet of Things technology, and supports multi-level permission management in this embodiment.

[0025] The system of this embodiment adopts modular design, and supports flexible expansion and customization.

[0026] The system further comprises an access control module, which is linked with the central control unit and automatically locks when an alarm is triggered. The access control module supports card swiping, fingerprint or face recognition. The system further comprises an emergency lighting module, which is automatically started when an alarm is triggered. The central control unit supports edge computing, realizes local intelligent decision-making, and is suitable for biomass cogeneration, chemical plants or pharmaceutical plants.

[0027] As shown in Figure 2 , the use method of the above-mentioned chemical dosing room safety protection system comprises the following steps: a) Real-time monitoring of chemical dosing room environmental parameters; b) Automatic control of ventilation, spraying or alarm according to preset threshold values; c) Recording event data and generating safety reports; d) Supporting remote monitoring and emergency command.

[0028] Specifically, in use, the environmental parameters include ammonia concentration, hydrazine concentration, temperature, humidity and dust concentration. The preset threshold values include an ammonia concentration first-level threshold value of 10 ppm and a second-level threshold value of 20 ppm; a hydrazine concentration first-level threshold value of 5 ppm and a second-level threshold value of 10 ppm.

[0029] The system automatically controls the start of the ventilation system, triggers the sprinkler device, closes the access control, and sends an alarm message during use. The safety report includes the event time, type, handling measures, and follow-up recommendations. Remote monitoring includes viewing real-time data and controlling equipment through a mobile APP or Web platform.

[0030] The system also includes a system self-checking step during use, which periodically checks the accuracy of the sensors and the status of the equipment.

[0031] The system also includes a data analysis and prediction step during use, which identifies risk trends based on historical data.

[0032] The system also includes a training simulation mode for personnel emergency drills during use.

[0033] Example 2 This embodiment provides a detailed chemical dosing room safety protection system based on Example 1. In terms of system hardware configuration, the chemical dosing room safety protection system includes the following components: Environmental monitoring module: Ammonia gas sensor (model: MQ137), detection range 0-100 ppm; Hydrazine gas sensor (electrochemical type), detection range 0-50 ppm; Temperature and humidity sensor (SHT30), accuracy ±0.3℃; Dust sensor (laser type), detection range 0-1000 μg / m 3 ; Liquid level sensor (ultrasonic type), monitors the liquid storage.

[0034] Ventilation control module: Explosion-proof axial flow fan (T35-11 type), air volume 7826 m 3 / h; Intelligent air valve, supports 0-100% opening adjustment; Air pressure sensor, monitors the pipeline air pressure.

[0035] Spraying and eye washing module: Pedal-type sprinkler device, coverage radius 3 m; Automatic eye washer with infrared induction trigger; Water filter to ensure clean water.

[0036] Central control unit: PLC controller (Siemens S7-1200), integrated analog and digital modules; 4G communication module, supports remote data transmission; Touch screen human-machine interface (HMI), displays real-time data and alarm information.

[0037] Alarm and warning module: Acoustic-optic alarm (120 dB); Red area warning line (width 200 mm); Electronic signboard, dynamically displaying warning words such as "be careful of poisoning" and "wear a gas mask".

[0038] The control method of the safety protection system of the chemical dosing room in use is as follows: Initialization: after the system starts, sensor self-checking and fan trial operation are performed; Data acquisition: environmental data are acquired once per second; Logical judgment: If the ammonia concentration exceeds 10 ppm, start a first-level alarm and increase ventilation; If the hydrazine concentration exceeds 5 ppm, start a second-level alarm and trigger spraying; If the temperature exceeds 40℃, start the cooling mode; Emergency response: Alarm signals are sent to the central control room and the mobile phone APP; The dosing room access is automatically closed to prevent personnel from mistakenly entering; Data recording: all events are stored in the SD card and the cloud platform, and export analysis is supported.

[0039] The remote monitoring platform in the embodiment develops a Web-based monitoring interface, which displays sensor data, device status and alarm records in real time; supports historical data query and trend analysis; and provides APP push alarm and remote control functions.

[0040] The present application realizes early detection and rapid response of toxic gas leakage; reduces the need for manual intervention and improves protection efficiency; has data traceability and intelligent analysis capabilities; and is suitable for various industrial scenarios and has strong expansibility.

[0041] The system of the present application integrates multiple types of sensors, intelligent ventilation control, automatic spraying and eye washing, and a central control unit to build a comprehensive and proactive safety protection system, which can realize early warning and rapid automatic response to ammonia, hydrazine and other toxic gas leakage, greatly improving the emergency handling efficiency. Through intelligent linkage control, the system effectively reduces the dependence on manual intervention and operation risk, and with the help of remote monitoring and data recording functions, realizes the digitization and traceability of safety management, and provides data support for accident analysis and management optimization. Overall, the system significantly improves the intrinsic safety level of the chemical dosing room, effectively protects personnel health and production safety, and has good applicability and promotion value.

[0042] It should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not intended to limit the present application; although the present application has been described in detail with reference to the above embodiments, those skilled in the art should understand that the technical solutions recorded in the above embodiments can be modified, or some or all of the technical features can be replaced by equivalents; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A safety shield system for a chemical dosing booth, characterized in that The system comprises an environment monitoring module, a ventilation control module, a spraying and eye washing module, a central control unit, an alarm and warning module, and a remote monitoring platform.

2. The chemical dosing bay safety shield system of claim 1, wherein, The environment monitoring module comprises gas sensors for detecting ammonia and hydrazine concentrations, temperature and humidity sensors, dust sensors, and liquid level sensors.

3. The chemical dosing bay safety shield system of claim 1, wherein, The ventilation control module comprises explosion-proof axial flow fans, intelligent air valves, and air pressure sensors, and can automatically adjust the ventilation volume according to the environment monitoring data.

4. The chemical dosing bay safety shield system of claim 1, wherein, The spraying and eye washing module comprises a foot-operated spraying device, an automatic eye washer, and a water filter.

5. The chemical dosing bay safety shield system of claim 1, wherein, The central control unit comprises a PLC controller, a communication module, and a human-machine interface, and the communication module supports 4G, Wi-Fi, or Ethernet communication.

6. The chemical dosing bay safety shield system of claim 1, wherein, The alarm and warning module comprises audible and visual alarms, area warning lines, and electronic signboards, and the electronic signboards are LED display screens that can dynamically display warning information.

7. The chemical dosing bay safety shield system of claim 1, wherein, The system further comprises an access control module that is linked to the central control unit and automatically locks the entrance of the chemical dosing room in an alarm state.

8. The method of using a chemical dosing bay safety shield system according to any of claims 1-7, wherein, The system comprises the following steps: S1, real-time monitoring of the environmental parameters of the chemical dosing room; S2, automatic control of the ventilation system, spraying device, or triggering of an alarm according to preset threshold values; S3, recording of event data and generation of a safety report; S4, real-time monitoring and emergency command through the remote monitoring platform.

9. The method of using a chemical dosing bay safety shield system of claim 8, wherein, The preset threshold values comprise a first-level ammonia concentration threshold value of 10 ppm, a second-level threshold value of 20 ppm, a first-level hydrazine concentration threshold value of 5 ppm, and a second-level threshold value of 10 ppm.

10. The method of using a chemical dosing bay safety shield system of claim 8, wherein, The system further comprises a system self-checking step for periodic state checking and calibration of the sensors and execution devices.

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