Waste gas treatment device based on automatic real-time monitoring of wind speed and wind pressure

Abstract

The utility model relates to the technical field of industrial waste gas treatment, in particular to a waste gas treatment device based on automatic real-time monitoring of wind speed and wind pressure, which can monitor the wind speed and wind pressure parameters of the waste gas treatment device in real time, further monitor the working condition of equipment and facilitate troubleshooting, and is characterized by further comprising an exhaust working condition monitoring component, the exhaust working condition monitoring assembly comprises a controller, a wind speed monitoring mechanism, an exhaust pressure difference monitoring mechanism and an alarm, a wind speed sensor and a wind speed signal transmitter are arranged in the wind speed monitoring mechanism, data collected by the wind speed sensor are sent to the wind speed signal transmitter, and the output end of the wind speed signal transmitter is connected with the controller; the exhaust pressure difference monitoring mechanism is internally provided with two pressure difference switch sensors, the two pressure difference switch sensors are arranged on an air inlet end pipeline and an air outlet end pipeline of the fan respectively and connected with the controller, and the controller is further connected with the alarm.

Description

Technical field:

[0001] The utility model relates to the technical field of industrial waste gas treatment, and specifically to a waste gas treatment device which can monitor the wind speed and wind pressure parameters of the waste gas treatment device in real time, thereby monitoring the equipment working condition and facilitating fault detection, and is based on automatic real-time monitoring of wind speed and wind pressure. Background technology:

[0002] Waste gas generated in industrial production needs to be treated harmlessly. In most cases, the harmful substances in the waste gas are removed by sending the industrial waste gas into the spray tower system and combining it with the spray treatment process. At present, after the industrial waste gas to be treated is sent into the spray tower, it is discharged after corresponding treatment. There is no corresponding monitoring method for the working status of the gas discharge component, which can easily lead to failure of the gas discharge component and discharge failure. It is often a long time after the failure occurs that maintenance personnel conduct troubleshooting, affecting normal industrial production. Summary of the invention:

[0003] In view of the shortcomings and deficiencies in the prior art, the utility model proposes an exhaust gas treatment device which can monitor the wind speed and wind pressure parameters of the exhaust gas treatment device in real time, thereby monitoring the equipment working condition and facilitating troubleshooting.

[0004] The utility model achieves this through the following measures:

[0005] An exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure is provided with a spray treatment cabin, one end of the spray treatment cabin is connected to the exhaust gas intake pipeline, and the other end is connected to the exhaust pipeline. An exhaust gas treatment spray assembly is arranged on the top of the spray treatment cabin, and a fan is arranged on the exhaust pipeline. It is characterized in that an exhaust condition monitoring assembly is also provided, and the exhaust condition monitoring assembly includes a controller, a wind speed monitoring mechanism, an exhaust pressure difference monitoring mechanism, and an alarm. A wind speed sensor and a wind speed signal transmitter are provided in the wind speed monitoring mechanism, wherein the data collected by the wind speed sensor is sent to the wind speed signal transmitter, and the output end of the wind speed signal transmitter is connected to the controller; a pressure difference switch sensor is provided in the exhaust pressure difference monitoring mechanism, and two pressure difference switch sensors are respectively arranged on the air inlet end pipeline and the air outlet end pipeline of the fan, and the two pressure difference switch sensors are respectively connected to the controller, and the controller is also connected to the alarm.

[0006] The utility model discloses a spray treatment cabin body, wherein the side close to the exhaust gas intake pipeline is provided with an air intake end PH detection component, and the side close to the exhaust pipeline is provided with an exhaust end PH detection component. The outside of the spray treatment cabin body is provided with a water tank, a medicine adding box, and a medicine liquid tank. The water tank and the medicine adding box are respectively connected to the medicine liquid tank via pipelines. The medicine liquid tank is connected to the liquid inlet end of the exhaust gas treatment spray component via pipelines. A circulating pump is provided on the pipeline for pumping the spray treatment medicine liquid to the exhaust gas treatment spray component. The exhaust gas treatment spray component is provided with more than two groups of spray heads.

[0007] The controller of the utility model adopts a PLC controller and is connected to an external host computer, so as to timely upload the exhaust condition information to the host computer, and the host computer performs the next step of processing. The controller can be connected to the host computer through an RS232 / 485 communication circuit and adopts a 24V power supply circuit.

[0008] The pressure difference switch sensor in the exhaust pressure difference monitoring mechanism of the utility model adopts a pressure difference switch sensor device with a full pressure detection range between 500-2500 Pa.

[0009] The wind speed transmitter in the wind speed monitoring mechanism of the utility model is used to convert the analog signal of the wind speed sensor into a digital signal or a 4-20ma current signal for subsequent processing.

[0010] The differential pressure switch sensor and wind speed sensor described in the utility model are both installed at the ends of the corresponding detection pipelines. The detection pipelines are separately arranged tubular supporting components, wherein the detection pipelines used to support and fix the differential pressure switch sensor are respectively installed at the air inlet end and the air outlet end of the fan, and the detection pipelines used to support and fix the wind speed sensor can be arranged on any side of the exhaust pipeline close to the outlet or inlet of the fan.

[0011] Compared with the prior art, the utility model has the following beneficial effects: by arranging an automatic wind speed and wind pressure monitoring component in the exhaust gas treatment device, the wind speed and wind pressure data of the exhaust pipe are monitored in real time, so as to effectively monitor the exhaust condition of the device; when a fault occurs, in addition to local alarm, the data can be uploaded to the host computer through the communication circuit, and the output of multi-terminal alarm signals can be completed in cooperation with the control terminal carried by the host computer, so as to promptly handle and resolve the device operation fault and avoid safety hazards and production losses. Description of the drawings:

[0012] Attached Figure 1 It is a structural schematic diagram of the utility model.

[0013] Attached Figure 2 It is a principle block diagram of the utility model.

[0014] Attached Figure 3 It is a schematic diagram of the controller box structure in an embodiment of the utility model.

[0015] Figure numerals: spray treatment cabin 1, exhaust gas intake pipeline 2, exhaust pipeline 3, exhaust gas treatment spray assembly 4, fan 5, controller 6, alarm 7, wind speed sensor 8, wind speed signal transmitter 9, differential pressure switch sensor 10, intake end PH detection assembly 11, exhaust end PH detection assembly 12, water tank 13, dosing box 14, liquid medicine tank 15, circulation pump 16, host computer 17, control box 18, power switch 19, communication circuit 20, transformer 21. Specific implementation method:

[0016] The present invention will be further described below in conjunction with the accompanying drawings and embodiments.

[0017] Aiming at the deficiencies of the existing industrial waste gas treatment, the utility model proposes a waste gas treatment device based on automatic real-time monitoring of wind speed and wind pressure, which is provided with a spray treatment cabin 1, one end of the spray treatment cabin 1 is connected to the waste gas intake pipeline 2, and the other end is connected to the exhaust pipeline 3, a waste gas treatment spray assembly 4 is arranged on the top of the spray treatment cabin 1, a fan 5 is arranged on the exhaust pipeline 3, and an exhaust condition monitoring assembly is also arranged, the exhaust condition monitoring assembly comprises a controller 6, a wind speed monitoring mechanism, an exhaust pressure difference monitoring mechanism, and an alarm 7, a wind speed sensor 8 and a wind speed signal transmitter 9 are arranged in the wind speed monitoring mechanism, wherein the data collected by the wind speed sensor 8 is sent to the wind speed signal transmitter 9, and the output end of the wind speed signal transmitter 9 is connected to the controller 6; a pressure difference switch sensor 10 is arranged in the exhaust pressure difference monitoring mechanism, and two pressure difference switch sensors 10 are respectively arranged on the air inlet end pipeline and the air outlet end pipeline of the fan 5, and the two pressure difference switch sensors 10 are respectively connected to the controller 6, and the controller 6 is also connected to the alarm 7;

[0018] The spray treatment cabin of the utility model is provided with an air inlet end PH detection component 11 on the side close to the exhaust gas inlet pipeline, and an exhaust end PH detection component 12 on the side close to the exhaust pipeline. The outside of the spray treatment cabin 1 is provided with a water tank 13, a dosing box 14, and a liquid medicine tank 15. The water tank 13 and the dosing box 14 are respectively connected to the liquid medicine tank 15 through pipelines. The liquid medicine tank is connected to the liquid inlet end of the waste gas treatment spray component through a pipeline. A circulating pump 16 is provided on the pipeline for pumping the spray treatment liquid to the waste gas treatment spray component 4; more than two groups of spray heads are provided in the waste gas treatment spray component.

[0019] The controller 6 of the utility model adopts a PLC controller and is connected to an external host computer 17, so as to timely upload the exhaust operating condition information to the host computer 17, and the host computer 17 performs the next step of processing. The controller 6 can be connected to the host computer 17 via an RS232 / 485 communication circuit and adopts a 24V power supply circuit.

[0020] The differential pressure switch sensor 10 in the exhaust pressure differential monitoring mechanism of the utility model adopts a differential pressure switch sensor device with a full pressure detection range between 500-2500 Pa.

[0021] The wind speed transmitter in the wind speed monitoring mechanism of the utility model is used to convert the analog signal of the wind speed sensor into a digital signal or a 4-20ma current signal for subsequent processing.

[0022] The differential pressure switch sensor 10 and the wind speed sensor 8 described in the utility model are both installed at the ends of the corresponding detection pipelines. The detection pipelines are separately arranged tubular supporting components, wherein the detection pipelines used to support and fix the differential pressure switch sensor 10 are respectively installed at the air inlet and air outlet ends of the fan 5, and the detection pipelines used to support and fix the wind speed sensor 8 can be arranged on any side of the exhaust pipeline close to the outlet or inlet of the fan.

[0023] Example:

[0024] In this example, the differential pressure switch sensor 10 is installed at the air inlet and exhaust port of the exhaust fan 5 in the waste gas treatment spray tower system, and is fixed by a tubular support component. In this example, the differential pressure switch sensor 10 is selected between 500-2500pa; this example can also select an integrated wind speed and air volume sensor, and at the same time match it with an RS485 communication module, so as to output the collected data to the outside, such as Shunlaida's sld-ptfs800 / ex;

[0025] As attached Figure 3 As shown, in this example, the controller 6 is placed in a control box 18, a power switch 19 is provided on the outside of the box, the box has a built-in power circuit, and the power circuit is provided with an HDR60-24 transformer 21. In this example, the controller 6 is also connected to the communication circuit, and the communication circuit 20 adopts a USR-TCP232-410S communication module.

[0026] In this example, the differential pressure switch sensor 10 is used to measure the pressure difference between the air inlet and outlet ends of the fan 5, and is used to detect the pressure change in the pipeline system. The wind speed sensor 8 is used to measure the speed of air flow, that is, the wind speed. The wind speed signal transmitter 9 mainly converts the analog signal of the wind speed sensor 8 into a digital signal or a 4-20ma current signal to achieve the purpose of real-time monitoring of the working status of the equipment;

[0027] When the exhaust gas treatment wind pressure and air volume abnormally exceed the preset threshold, the host computer or a mobile terminal that can communicate with the host computer can receive a pressure alarm signal and process it in time to maintain the normal operation of the system.

[0028] Compared with the prior art, the utility model has the following beneficial effects: by arranging an automatic wind speed and wind pressure monitoring component in the exhaust gas treatment device, the wind speed and wind pressure data of the exhaust pipe are monitored in real time, so as to effectively monitor the exhaust condition of the device; when a fault occurs, in addition to local alarm, the data can be uploaded to the host computer through the communication circuit, and the output of multi-terminal alarm signals can be completed in cooperation with the control terminal carried by the host computer, so as to promptly handle and resolve the device operation fault and avoid safety hazards and production losses.

Claims

1. An exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure is provided with a spray treatment cabin, one end of the spray treatment cabin is connected to the exhaust gas intake pipeline, and the other end is connected to the exhaust pipeline. An exhaust gas treatment spray assembly is arranged on the top of the spray treatment cabin, and a fan is arranged on the exhaust pipeline, characterized in that: An exhaust condition monitoring component is also provided, which includes a controller, a wind speed monitoring mechanism, an exhaust pressure difference monitoring mechanism, and an alarm. The wind speed monitoring mechanism is provided with a wind speed sensor and a wind speed signal transmitter, wherein the data collected by the wind speed sensor is sent to the wind speed signal transmitter, and the output end of the wind speed signal transmitter is connected to the controller; the exhaust pressure difference monitoring mechanism is provided with a pressure difference switch sensor, and the two pressure difference switch sensors are respectively arranged on the air inlet end pipeline and the air outlet end pipeline of the fan, and the two pressure difference switch sensors are respectively connected to the controller, and the controller is also connected to the alarm.

2. The exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure according to claim 1 is characterized in that: The spray treatment cabin is provided with an air inlet end PH detection component on the side close to the exhaust gas inlet pipeline, and an exhaust end PH detection component on the side close to the exhaust pipeline. The outside of the spray treatment cabin is provided with a water tank, a dosing box, and a liquid medicine tank. The water tank and the dosing box are respectively connected to the liquid medicine tank via pipelines. The liquid medicine tank is connected to the liquid inlet end of the waste gas treatment spray component via a pipeline. A circulating pump is provided on the pipeline for pumping the spray treatment liquid medicine to the waste gas treatment spray component; the waste gas treatment spray component is provided with more than two groups of spray heads.

3. The exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure according to claim 1 is characterized in that: The controller adopts a PLC controller and is connected to an external host computer to upload exhaust condition information to the host computer in a timely manner, and the host computer performs further processing. The controller can be connected to the host computer through an RS232 / 485 communication circuit and adopts a 24V power supply circuit.

4. The exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure according to claim 1 is characterized in that: The pressure difference switch sensor in the exhaust pressure difference monitoring mechanism adopts a pressure difference switch sensor device with a full pressure detection range between 500-2500 Pa.

5. The exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure according to claim 1 is characterized in that: The wind speed transmitter in the wind speed monitoring mechanism is used to convert the wind speed sensor analog signal into a digital signal or a 4-20ma current signal for subsequent processing.

6. The exhaust gas treatment device based on automatic real-time monitoring of wind speed and wind pressure according to claim 1 is characterized in that: The differential pressure switch sensor and wind speed sensor are both installed at the ends of the corresponding detection pipelines. The detection pipelines are separately arranged tubular support components, wherein the detection pipelines used to support and fix the differential pressure switch sensor are respectively installed at the air inlet and air outlet ends of the fan, and the detection pipelines used to support and fix the wind speed sensor can be arranged on either side of the exhaust pipeline close to the outlet or inlet of the fan.

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