The increase in environmental pollution has led to a continuous increase in the total market for environmental management systems. What opportunities and challenges will the environmental governance approach of the “Internet Plus†bring to the 13th Five-Year Plan?
From the perspective of industrial division, China's environmental monitoring is mainly divided into environmental quality testing and pollution source testing, while the latter includes detection of wastewater, sewage, waste gas and heavy metals. Environmental monitoring instruments are mainly composed of environmental monitors, environmental sensors and environmental software. Environmental sensors are primarily used for monitoring temperature, humidity, biological, chemical, and noise.
Figure 1 Pollution of drinking water resources by industrial sewage
The 13th Five-Year Plan puts forward the “Internet Plus†environmental governance method, which is divided into four parts as shown in Figure 2: data collection part, network access part, data transmission part, and business management part. The collected information is transmitted through the Ethernet access network for data transmission, and finally the information display of the terminal is realized.
Figure 2 "Internet +" environmental governance
Relative to the atmosphere and soil pollution, the problem of water pollution is relatively straightforward. With the continuous deepening of environmental pollution control work, the provinces and cities across the country have also comprehensively carried out the layout of water quality monitoring work. Water treatment is mainly divided into urban sewage treatment (including industrial sewage) and rural sewage treatment.
Urban water pollution control planFor urban sewage treatment plants, data acquisition and transmission instruments are generally used to collect relevant data, and work under the unified coordination and management of the unit with embedded controller as the core, and the data signals of the enterprise site are transmitted to the environmental protection department through the network, and the liquid crystal touch display screen is used. The data and status of the enterprise on-site monitoring equipment collected by the digital instrument are displayed for the enterprise to view on site, and the power module provides working power for the data acquisition device. The block diagram is shown in Figure 3.
Figure 3 Data acquisition transmitter working block diagram
Data acquisition transmitter program:
Figure 4 IoT-9608 data acquisition transmitter program
"Internet +" environmental governance takes advantage of the IoT-9608 solution1. Wireless module supporting 6 PCIE slots
· There are 6 kinds of wireless communication modules that can be directly connected to WiFi, ZigBee, RFID, GPRS, 3G (China Unicom/Telecom), and the types are still increasing.
2. Industrial quality
· Industrial grade of IoT-9608 industrial control board can cope with various harsh environments such as sewage treatment plants and river monitoring points.
3. Performance, price advantage
· Customers can replace the X86 IPC with obvious advantages in product brand, price and operability.
Rural water pollution control planIn rural areas, because households are scattered and it is difficult to concentrate on domestic sewage as in the case of cities, environmental pollution in rural areas is more serious than in cities. Therefore, in addition to the conventional main river channel monitoring points, increasing video surveillance at monitoring points where management is difficult can effectively improve the effectiveness of distributed monitoring.
Figure 5 Common phenomena of rural water pollution
Internet + environmental governance advantages:
· Low operating cost: simplifying the sewage treatment process, greatly reducing operating costs, and operating costs are only electricity;
· Less system residue: the biofilm formed on the surface is basically digested by itself, and only a small amount of sludge is discharged;
· High processing efficiency: After the reactor, it can ensure that the effluent water quality meets the national first-class emission standard;
· Excellent automation: PLC intelligent control system and remote monitoring system are used to make the system in optimal operation state;
· High commercial value: large-scale management can be used as a shop, and the design of exquisite advertising space is conducive to commercial investment and operation;
· Good mobility: adopt modular structure, determine the processing scale according to the amount of sewage treatment, and install on site;
· Adaptable: Can be widely adapted to various places;
· Flexible operation mode: the key unit of processing is synchronous parallel operation, and flexible operation mode can be selected;
· Noise-free pollution: DeWaCH technology's unique oxygenation method avoids the use of high-power blowers and other equipment, no noise;
· No gas pollution: DeWaCH technology has a unique biological deodorization function to achieve harmlessness;
· Modular design: Modular construction technology can be assembled according to the needs of users.
Industry common plan
Figure 6 Application interface diagram of rural sewage treatment industry
The "Internet +" environmental governance approach takes advantage of the M6708 family of core boards1. Strong video streaming capability
· M6708 series core board 512M~1G memory can support complex application operation, simple dual-core, quad-core processing performance, to ensure that its video processing speed is smoothly returned through the camera video stream data in the site.
2. Industrial quality
· M6708 series core board industrial grade quality can cope with a variety of harsh environments.
3. Performance, price advantage
· Customers can replace the X86 IPC with obvious advantages in product brand, price and operability.
4. Support 3G, Ethernet data transmission at the same time
· 3G interface, Ethernet interface supports data transmission under wired and wireless conditions.
The above scheme can be applied to· On-site treatment and reuse of domestic sewage in villages and towns;
· On-site treatment of hotel catering and bathing wastewater in tourist attractions;
· Treatment of toilet waste water in tourist attractions;
· Organic wastewater treatment and reuse in the textile industry;
· Organic wastewater treatment and reuse in the chemical industry.
Gateway scheme recommendationZLG Zhiyuan Electronics has launched the intelligent wireless gateway IoT-3968L for the industrial Internet field. It uses ARM9 as the core and adopts two-way MiniPCIE interface design. It can also be equipped with two wireless interface modules (using MiniPCIE interface design, including Wi-Fi, ZigBee, LoRa, GPRS/3G/4G, etc., to facilitate customers to quickly build smart IoT gateway products suitable for their own industry.
Figure 7 IoT-3968L Smart Wireless Gateway
The implementation of rural sewage treatment system, the treated domestic sewage can be used as irrigation water or other purposes, thereby saving fresh water resources, and at the same time effectively avoiding the poor current situation of sewage cross-flow, solving the problem of rural sewage treatment, and further improving the living environment of residents, for the village Beautification, optimization and provision of services; improvement of environmental conditions in rural areas can reduce the spread of pollution-related diseases and reduce the economic losses caused by this; in addition, sewage treatment can not only improve the reuse of water resources, ease the contradiction between water supply and demand, Promoting the development of agricultural production can also improve the ecological and environmental conditions in rural areas and play a positive role in the healthy and sustainable development of the social economy.
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