Application of Pressure, Temperature and Humidity, and Gas Product Monitoring on the Pipeline Site
Application background
Integrated pipe corridors are integrated corridors of underground city pipelines. That is to say, a tunnel space is built underground in the city, and various engineering pipelines such as electric power, communication, gas, heat supply, drainage, and drainage are integrated into each other. Special inspection ports, lifting ports, and monitoring systems are provided to implement unified planning and unified design. Unified construction and management are important infrastructures and “lifelines†that guarantee the operation of the city. In the developed countries, the common ditch has existed for more than a century. As the system has gradually improved, its scale has also grown.
On-site requirements
The scene is divided into the explosion-proof zone of the gas cabin and the non-explosion-proof zone. The air temperature, humidity, oxygen, and methane need to be detected at intervals.
The collection wells in the gallery need to detect the height of the water level in the well.
Large humidity inside the pipe gallery, the sensor needs to be damp-proof
Pipe wells may have impurities and have some corrosion
An Introduction
The temperature and humidity of explosion-proof and explosion-proof temperature and humidity of JWSK-6 series are used in the field, and the product is treated with special moisture-proof, and the output signal is 4-20mA.
The level gauge uses an input explosion-proof liquid level gauge. The probe uses a double-diaphragm sewage structure and uses a 316L housing with an output signal of 4-20 mA. The sensor signal is connected to the PLC and transmitted to the central control system.
Product advantages
The temperature, humidity and liquid level gauges are protected against moisture and corrosion and can be adapted to the complex environment of the pipe gallery. The level gauge uses a patented double diaphragm design to effectively prevent plugging and corrosion. The sensor signal output is 4-20mA, simple and stable. The price of our products is very competitive with imports, and the price is very high. Compared with domestic products, we have more than 20 years of sensor experience and stable product performance. At present, the first batch of the second batch of products has been operating in the corridor for one and a half years, and no one has been repaired during the period.
System Block Diagram
Live photos
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