A remote real-time monitoring system for industrial waste gas emission quality

Abstract

The invention discloses a remote real-time monitoring system for industrial waste gas emission quality. The technical scheme of the system is as follows: the system comprises a monitoring PC, the monitoring PC is communicatively connected with a communication device, the communication device is communicatively connected with a mobile terminal and an environmental protection terminal platform, the communication device is communicatively connected with a gas sampling system, a gas pretreatment system, a photoion VOCS detector, a linkage control fan and a VOC waste gas emission monitoring system; the device can be used to effectively detect waste gas, effectively control and adjust the waste gas, and can realize remote transmission through the communication device.

Description

Technical Field

[0001] The invention relates to the field of waste gas detection, and in particular to a remote real-time monitoring system for industrial waste gas emission quality. Background Art

[0002] In various industrial productions, equipment will generate a large amount of waste gas. When the waste gas is discharged, it is necessary to detect the waste gas to determine the type of waste gas and the content of the waste gas before discharging the waste gas.

[0003] Referring to the existing Chinese patent with publication number CN110339667A, a chimney white smoke automatic visual detection control system is disclosed, including: a white smoke information collection subsystem, an exhaust gas treatment device internal and external moisture culvert difference control system, a white smoke information release system, a remote control system, an operation and maintenance management platform and a white smoke information receiving terminal. The exhaust gas treatment device internal and external moisture culvert difference control system includes an exhaust gas treatment device and an external moisture culvert sensor installed at one end of the exhaust gas treatment device. A heater is fixedly installed on the top of the inner wall of the exhaust gas treatment device, and a condenser is fixedly installed on the bottom of the inner wall of the exhaust gas treatment device.

[0004] The above-mentioned chimney white smoke automatic visual detection control system can realize the control of the network camera and the pan / tilt rotation by controlling the white smoke plume emission of the exhaust gas treatment device, and its control rate is 95%, which is more accurate than the traditional method. However, the above-mentioned chimney white smoke automatic visual detection control system still has some disadvantages, such as: 1. It is impossible to detect the exhaust gas before emission, and the detection type is single, which is very inconvenient; 2. It is impossible to realize data transmission, and it is impossible to effectively monitor the detection data of the exhaust gas at all times. Summary of the invention

[0005] In view of the problems mentioned in the background technology, the purpose of the present invention is to provide a remote real-time monitoring system for industrial waste gas emission quality to solve the problems mentioned in the background technology.

[0006] The above technical objectives of the present invention are achieved through the following technical solutions:

[0007] A remote real-time monitoring system for industrial waste gas emission quality, comprising a monitoring PC, the monitoring PC is communicatively connected to a communication device, the communication device is communicatively connected to a mobile terminal and an environmental protection terminal platform, the communication device is communicatively connected to a gas sampling system, a gas pretreatment system, a photoion VOCS detector, a linkage control fan and a VOC waste gas emission monitoring system;

[0008] The gas sampling system includes a gas analyzer, a gas sampling control mainboard and a micro air pump;

[0009] The gas pretreatment system includes a drying device, a pressure regulating device, a micro air pump and a gas pretreatment control mainboard;

[0010] The photoion VOCS detector includes a PID photoion generator, a steam trap, a dehumidifier, a flow meter, a micro air pump and a photoion VOCS detection control mainboard;

[0011] The linkage control fan includes a driver, a plurality of fan groups and a linkage control fan control mainboard;

[0012] The VOC waste gas emission monitoring system includes a waste gas detection sensor, a dosimeter, a waste gas analyzer and a VOC waste gas emission monitoring control mainboard;

[0013] It also includes a heavy rain detection device, which is fixedly installed inside the box. The heavy rain detection device includes a water reservoir, a rainproof top curling edge is fixedly installed on the upper part of the water reservoir, a shielding plate is fixedly installed at an angle inside the water reservoir, a water outlet is opened at the bottom end of the water reservoir, a lower electrode is fixedly installed on one side of the water outlet, an upper electrode is fixedly installed on the water reservoir below the shielding plate, and an alarm is electrically connected between the upper electrode and the lower electrode.

[0014] By adopting the above technical solution, when in use, the gas sampling system intercepts the exhaust gas through the exhaust gas discharge port, and a micro air pump is provided in the gas sampling system to extract the exhaust gas, and then the gas analyzer in the gas sampling system analyzes the exhaust gas, so as to identify the type of the exhaust gas, and then calculates and processes it through the gas sampling control mainboard, and then the micro air pump in the gas pretreatment system inhales the exhaust gas, and the exhaust gas is processed and regulated by the drying equipment and the pressure regulating equipment in the gas pretreatment system, and then calculated and processed by the gas pretreatment control mainboard, the photoionization VOCS detector inhales the exhaust gas through the micro air pump, and then pre-processes it through the steam trap, dehumidifier and flow meter, and then detects it through the photoionization VOCS detector. The measurement control mainboard performs calculation and processing, the linkage control fan controls the exhaust gas emission through several groups of drivers and fans, and controls and adjusts through the linkage control fan control mainboard. Finally, the VOC exhaust gas emission monitoring system detects the exhaust gas emitted through the exhaust gas detection sensor, determines the type of exhaust gas, calculates the content through the dosimeter, and analyzes the harmful substances in the exhaust gas through the exhaust gas analyzer. The VOC exhaust gas emission monitoring control mainboard performs calculation and processing, and the gas sampling control mainboard, gas pretreatment control mainboard, photoion VOCS detection control mainboard, linkage control fan control mainboard and VOC exhaust gas emission monitoring control mainboard are connected to the communication equipment, so that the communication equipment can send data to the monitoring PC communication connection, mobile terminal and environmental protection terminal platform.

[0015] Preferably, the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system also include a thermometer, a hygrometer, a particle meter and a pressure gauge.

[0016] By adopting the above technical scheme, the setting of the thermometer can realize effective detection of the temperature of the exhaust gas to prevent the exhaust gas temperature from being too high and causing the air pressure to increase. The setting of the hygrometer can realize effective detection of the humidity in the exhaust gas, and the pressure gauge can realize the detection of the pressure in the exhaust gas.

[0017] Preferably, the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system also include LED indicator lights, alarms, display controllers and control buttons.

[0018] By adopting the above technical solution, the LED indicator light is used to display the operating status of the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system, and the LED indicator light and the alarm can indicate the detection conditions of temperature, pressure and humidity, and the display controller and control buttons can view, control and adjust the parameters of the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system.

[0019] Preferably, the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system are supplied with 220V voltage through the municipal power grid, and the gas sampling control mainboard, the gas pretreatment control mainboard, the photoionization VOCS detection control mainboard, the linkage control fan control mainboard and the VOC waste gas emission monitoring control mainboard are respectively supplied with 24VDC voltage through voltage regulators.

[0020] By adopting the above technical solution, the mains power grid is used to power the entire system, so that the system can operate normally, and the voltage regulator can adjust the mains power grid, thereby realizing the 24VDC voltage supply control mainboard.

[0021] Preferably, a plurality of relays are electrically connected in the remote real-time monitoring system for industrial waste gas emission quality.

[0022] By adopting the above technical solution, several groups of relays can realize control and regulation of the on-off of the circuit.

[0023] Preferably, the gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system are respectively located inside a box, a cabinet door is hinged on the front of the box, and a rainproof roof is fixedly installed on the top of the box.

[0024] By adopting the above technical solution, the setting of the box body can realize the safety protection of the equipment, the cabinet door can realize security and is easy to open for maintenance, and the rainproof roof can realize the protection of the box body.

[0025] Preferably, the cabinet door is provided with an observation window, a steel protective glass is fixedly mounted on the observation window, and a handle lock is also fixedly mounted on the cabinet door.

[0026] By adopting the above technical solution, the setting of the observation window can realize the observation of the equipment inside the box, and the handle lock can facilitate the locking and opening of the cabinet door.

[0027] Preferably, the gas sampling system is fixedly connected to the exhaust gas outlet, the monitoring PC is communicatively connected to a network database, and the communication device is an Fbox-4G-lite Internet of Things box.

[0028] By adopting the above technical solution, the exhaust gas can be input through the gas sampling system, the storage and operation capabilities can be expanded through the network database, and the communication equipment can realize data transmission.

[0029] In summary, the present invention mainly has the following beneficial effects:

[0030] First, the device can be used to effectively detect the exhaust gas, identify the type of exhaust gas through the equipment in the detection system, and process the exhaust gas, and re-detect the components in the exhaust gas to determine that the exhaust gas does not contain pollutants;

[0031] Second, the device can be used to achieve effective control and regulation, and can be used to achieve remote transmission through communication equipment to transmit the detected data information, which is convenient for observing the exhaust gas situation and making the exhaust gas composition content and emission transparent;

[0032] Third, it can detect heavy rain during heavy rain, so that the management personnel can be notified to deal with it during heavy rain, preventing the detection equipment from being damaged in the heavy rain environment. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] Figure 1 It is a schematic diagram of the system structure of the present invention;

[0034] Figure 2It is a schematic diagram of the side structure of the box body of the present invention;

[0035] Figure 3 It is a schematic diagram of the front structure of the box body of the present invention;

[0036] Figure 4 It is one of the schematic diagrams of the voltage transmission circuit of the present invention;

[0037] Figure 5 This is the second schematic diagram of the voltage transmission circuit of the present invention;

[0038] Figure 6 It is a circuit diagram of temperature detection of the present invention;

[0039] Figure 7 It is a circuit diagram of the chimney internal detection system of the present invention;

[0040] Figure 8 is a circuit diagram of a backup module of the present invention;

[0041] Fig. 9 It is one of the schematic diagrams of the thermostat circuit of the present invention;

[0042] Fig.10 This is the second schematic diagram of the thermostat circuit of the present invention;

[0043] Fig.11 is one of the state diagrams of the rainstorm detector of the present invention;

[0044] Fig.12 This is the second state diagram of the rainstorm detector of the present invention;

[0045] Fig.13 It is a structural schematic diagram of the rainproof top curling edge of the present invention;

[0046] Fig.14 A circuit diagram of a rainstorm detector according to the present invention.

[0047] Figure numerals: 1. Box body; 2. Cabinet door; 3. Rainproof roof; 4. Observation window; 5. Handle lock; 6. Water storage tank; 7. Rainproof roof curling; 8. Shielding plate; 9. Water outlet; 10. Lower electrode; 11. Upper electrode; 12. Alarm. DETAILED DESCRIPTION

[0048] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0049] Example 1

[0050] refer to Figure 1-14 , a remote real-time monitoring system for industrial waste gas emission quality, including a monitoring PC, the monitoring PC is connected to a communication device, the communication device is connected to a mobile terminal and an environmental protection terminal platform, and the communication device is connected to a gas sampling system, a gas pretreatment system, a photoion VOCS detector, a linkage control fan and a VOC waste gas emission monitoring system;

[0051] The gas sampling system includes a gas analyzer, a gas sampling control mainboard and a micro air pump;

[0052] The gas pretreatment system includes drying equipment, pressure regulating equipment, micro air pump and gas pretreatment control mainboard;

[0053] The photoionization VOCS detector includes a PID photoionization generator, a steam trap, a dehumidifier, a flow meter, a micro air pump and a photoionization VOCS detection control mainboard;

[0054] The linkage control fan includes a driver, several groups of fans and a linkage control fan control mainboard;

[0055] The VOC waste gas emission monitoring system includes waste gas detection sensors, dosimeters, waste gas analyzers and VOC waste gas emission monitoring control mainboard;

[0056] The invention also includes a rainstorm detection device, which is fixedly installed inside the box body 1, and includes a water reservoir 6, a rainproof top curling edge 7 is fixedly installed on the upper part of the water reservoir 6, a shielding plate 8 is fixedly installed at an angle inside the water reservoir 6, a water outlet 9 is opened at the bottom end of the water reservoir 6, a lower electrode 10 is fixedly installed on one side of the water outlet 9, an upper electrode 11 is fixedly installed below the shielding plate 8 of the water reservoir 6, and an alarm 12 is electrically connected between the upper electrode 11 and the lower electrode 10.

[0057] When it rains heavily, the rainproof top curling edge 7 at the edge of the rainproof top mainly guides the rainwater into the water reservoir 6. The curling edge is like the edge of a piece of paper that is rolled inward, with one end being a blind end A and the other end being an open end B. When rainwater flows through the rainproof top, the rainwater gathers at the rainproof top curling edge 7 and flows through the open end B into the water reservoir 6. A water outlet 9 is provided at the bottom of the water reservoir 6. When it rains lightly, the rainwater flows out from the water outlet 9. When it rains heavily, the discharge flow of the water outlet 9 is less than the amount of rainwater entering, and rainwater begins to accumulate in the water reservoir 6, connecting the upper electrode 11 and the lower electrode 10.

[0058] When the upper electrode 11 and the lower electrode 10 are connected, an alarm is issued, and when the alarm is issuing an alarm, the heavy rain signal is sent to the monitoring PC through the communication module, that is, the alarm is connected to the monitoring PC signal through the communication equipment, and the monitoring PC sends a signal to the terminal and notifies the company's polluted gas treatment equipment to stop operating. Because most of the polluted gas treatment equipment is outdoors, it prevents circuit failure caused by the operation of the monitoring equipment in heavy rain weather.

[0059] The normally open point of the intermediate relay KA (preferably model rxm2ab2bd) of the alarm 12 is connected to the communication device (preferably PCL, model 6ES7 288-1SR20-0AA0), and the communication device is connected to the PC signal.

[0060] Analysis shows that: when in use, the gas sampling system intercepts the exhaust gas through the exhaust gas discharge port. A micro air pump is provided in the gas sampling system to extract the exhaust gas. Then the gas analyzer in the gas sampling system analyzes the exhaust gas, and then the type of exhaust gas can be identified. Then the gas sampling control mainboard is used for calculation and processing. Then the micro air pump in the gas pretreatment system inhales the exhaust gas. The exhaust gas is processed and regulated by the drying equipment and the pressure regulating equipment in the gas pretreatment system, and then calculated and processed by the gas pretreatment control mainboard. The photoionization VOCS detector inhales the exhaust gas through the micro air pump, and then pre-processes it through the steam trap, dehumidifier and flow meter, and then detects and controls it through the photoionization VOCS. The main board performs calculations and processing, and the linkage control fan controls the exhaust gas emission through several groups of drivers and fans, and controls and adjusts through the linkage control fan control main board. Finally, the VOC exhaust gas emission monitoring system detects the exhaust gas emitted through the exhaust gas detection sensor, determines the type of exhaust gas, calculates the content through the dosimeter, and analyzes the harmful substances in the exhaust gas through the exhaust gas analyzer. The VOC exhaust gas emission monitoring control main board performs calculations and processing, and is connected to the communication equipment through the gas sampling control main board, gas pretreatment control main board, photoion VOCS detection control main board, linkage control fan control main board and VOC exhaust gas emission monitoring control main board, so that the communication equipment can send data to the monitoring PC communication connection, mobile terminal and environmental protection terminal platform.

[0061] Among them, the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC exhaust gas emission monitoring system also include thermometer, hygrometer, particle meter and pressure gauge. The effect is that the setting of the thermometer can effectively detect the temperature of the exhaust gas to prevent the excessive temperature of the exhaust gas from causing the pressure to increase. The setting of the hygrometer can effectively detect the humidity in the exhaust gas, and the pressure gauge can detect the pressure in the exhaust gas.

[0062] Among them, the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC waste gas emission monitoring system also include LED indicator lights, alarms, display controllers and control buttons. The effect is that the LED indicator lights are used to display the operating status of the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC waste gas emission monitoring system, and the LED indicator lights and alarms can indicate the detection of temperature, pressure and humidity, and the display controller and control buttons can view, control and adjust the parameters of the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC waste gas emission monitoring system.

[0063] Among them, the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC exhaust emission monitoring system are supplied with 220V voltage through the city power grid, and the gas sampling control mainboard, gas pretreatment control mainboard, photoion VOCS detection control mainboard, linkage control fan control mainboard and VOC exhaust emission monitoring control mainboard are respectively supplied with 24VDC voltage through the voltage regulator. The effect is that the city power grid is used to power the entire system, so that the system can operate normally, and the voltage regulator can adjust the city power grid, thereby realizing the 24VDC voltage supply to the control mainboard.

[0064] Among them, several groups of relays are electrically connected in the remote real-time monitoring system for industrial waste gas emission quality. The effect is that the several groups of relays can realize the control and regulation of the on-off of the circuit.

[0065] Among them, the gas sampling system, gas pretreatment system, photoion VOCS detector, linkage control fan and VOC exhaust emission monitoring system are respectively located inside the box 1, the front of the box 1 is hinged with a cabinet door 2, and the top of the box 1 is fixedly installed with a rainproof roof 3. The effect is that the setting of the box 1 can realize the safety protection of the equipment, the cabinet door 2 can achieve security and is easy to open for maintenance, and the rainproof roof 3 can protect the box 1.

[0066] The cabinet door 2 is provided with an observation window 4, on which a steel protective glass is fixedly installed, and a handle lock 5 is also fixedly installed on the cabinet door 2. The effect is that the setting of the observation window 4 can realize the observation of the equipment inside the box body 1, and the handle lock 5 can facilitate the locking and opening of the cabinet door 2.

[0067] The gas sampling system is fixedly connected to the exhaust outlet, the monitoring PC is connected to the network database, and the communication equipment is the Fbox-4G-lite IoT box. The effect is that the exhaust gas can be input through the gas sampling system, the storage and operation capacity can be expanded through the network database, and the communication equipment can realize data transmission.

[0068] refer to Figure 4-Figure 10 , provides a variety of PLC model diagrams and wiring diagrams that can be selected for use in realizing the exhaust gas detection control, which provides a variety of PLC input power supply and PLC output power supply selection ports, and the several PLC controllers given can realize the control of the present invention, which is an existing circuit.

[0069] Principle and advantages of use:

[0070] When in use, the gas sampling system intercepts the exhaust gas through the exhaust gas discharge port. A micro air pump is provided in the gas sampling system to extract the exhaust gas. Then the gas analyzer in the gas sampling system analyzes the exhaust gas, and then the type of exhaust gas can be identified. The exhaust gas is then calculated and processed by the gas sampling control mainboard. The micro air pump in the gas pretreatment system inhales the exhaust gas. The exhaust gas is processed and regulated by the drying equipment and the pressure regulating equipment in the gas pretreatment system, and then calculated and processed by the gas pretreatment control mainboard. The photoionization VOCS detector inhales the exhaust gas through the micro air pump, and then pre-processes it through the steam trap, dehumidifier and flow meter, and then detects the exhaust gas through the photoionization VOCS detection control mainboard. Calculation and processing are performed, and the linkage control fan controls the exhaust gas emission through several groups of drivers and fans, and is controlled and adjusted through the linkage control fan control mainboard. Finally, the VOC exhaust gas emission monitoring system detects the exhaust gas emitted through the exhaust gas detection sensor, determines the type of exhaust gas, calculates the content through the dosimeter, and analyzes the harmful substances in the exhaust gas through the exhaust gas analyzer. Calculation and processing are performed through the VOC exhaust gas emission monitoring control mainboard, and the gas sampling control mainboard, gas pretreatment control mainboard, photoion VOCS detection control mainboard, linkage control fan control mainboard and VOC exhaust gas emission monitoring control mainboard are connected to the communication equipment, so that the communication equipment can send data to the monitoring PC communication connection, mobile terminal and environmental protection terminal platform.

[0071] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A remote real-time monitoring system for industrial waste gas emission quality, including a monitoring PC, characterized in that: The monitoring PC is connected to a communication device, the communication device is connected to a mobile terminal and an environmental protection terminal platform, and the communication device is connected to a gas sampling system, a gas pretreatment system, a photoion VOCS detector, a linkage control fan and a VOC exhaust emission monitoring system; The gas sampling system includes a gas analyzer, a gas sampling control mainboard and a micro air pump; The gas pretreatment system includes a drying device, a pressure regulating device, a micro air pump and a gas pretreatment control mainboard; The photoion VOCS detector includes a PID photoion generator, a steam trap, a dehumidifier, a flow meter, a micro air pump and a photoion VOCS detection control mainboard; The linkage control fan includes a driver, a plurality of fan groups and a linkage control fan control mainboard; The VOC waste gas emission monitoring system includes a waste gas detection sensor, a dosimeter, a waste gas analyzer and a VOC waste gas emission monitoring control mainboard; It also includes a rainstorm detection device, which is fixedly mounted inside the box (1), and includes a water reservoir (6), a rainproof top curling edge (7) is fixedly mounted on the upper part of the water reservoir (6), a shielding plate (8) is fixedly mounted inside the water reservoir (6) at an angle, a water outlet (9) is formed at the bottom end of the water reservoir (6), a lower electrode (10) is fixedly mounted on one side of the water outlet (9), an upper electrode (11) is fixedly mounted on the water reservoir (6) below the shielding plate (8), and an alarm (12) is electrically connected between the upper electrode (11) and the lower electrode (10); The gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system also include a thermometer, a hygrometer, a particle meter and a pressure gauge; The gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system also include LED indicator lights, alarms, display controllers and control buttons.

2. The remote real-time monitoring system for industrial waste gas emission quality according to claim 1 is characterized by: The gas sampling system, the gas pretreatment system, the photoion VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system are supplied with 220V voltage through the municipal power grid, and the gas sampling control mainboard, the gas pretreatment control mainboard, the photoion VOCS detection control mainboard, the linkage control fan control mainboard and the VOC waste gas emission monitoring control mainboard are respectively supplied with 24VDC voltage through voltage regulators.

3. The remote real-time monitoring system for industrial waste gas emission quality according to claim 1 is characterized in that: In the remote real-time monitoring system for industrial waste gas emission quality, several groups of relays are electrically connected.

4. The remote real-time monitoring system for industrial waste gas emission quality according to claim 1 is characterized in that: The gas sampling system, the gas pretreatment system, the photoionization VOCS detector, the linkage control fan and the VOC waste gas emission monitoring system are respectively located inside a box (1); a cabinet door (2) is hingedly connected to the front of the box (1); and a rainproof roof (3) is fixedly installed on the top of the box (1).

5. The remote real-time monitoring system for industrial waste gas emission quality according to claim 4 is characterized in that: The cabinet door (2) is provided with an observation window (4), a steel protective glass is fixedly mounted on the observation window (4), and a handle lock (5) is also fixedly mounted on the cabinet door (2).

6. The remote real-time monitoring system for industrial waste gas emission quality according to claim 1 is characterized in that: The gas sampling system is fixedly connected to the exhaust gas outlet, the monitoring PC is connected to a network database, and the communication device is an Fbox-4G-lite Internet of Things box.

7. The remote real-time monitoring system for industrial waste gas emission quality according to claim 6 is characterized by: The mobile terminal includes a mobile phone terminal, and the communication device also transmits signals through a 5G network.

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