The person in charge of the marketing department of State Grid Shandong Electric Power Company said that at present, State Grid Shandong Electric Power is committed to building Qingdao public transport demonstration city, expressway intercity fast charge demonstration zone, and planning to build a demonstration project in Jinan area.
“Starting the pilot demonstration of charging infrastructure construction and operation mode is one of the key points for rapidly promoting the construction of electric vehicle charging and replacing network.†On November 2, the head of the marketing department of State Grid Shandong Power Company said that at present, the national network Shandong Electric Power is committed to building Qingdao public transport demonstration city, expressway intercity fast charging demonstration zone, and planning to build a demonstration project in Jinan area.
The General Office of the State Council recently issued the "Guiding Opinions on Accelerating the Construction of Electric Vehicle Charging Infrastructure". State Grid Shandong Power has comprehensively summarized the experience of construction and operation of charging and replacing service network, and carried out pilot demonstration work on charging infrastructure construction and operation mode, insisting on from point to point, from line to network, and driving other cities and fields to use electric power by pilot cities. Automobiles will eventually form a core node with key cities as the core nodes, covering the entire service network such as public transportation, rental, and passenger transportation.
"We actively cooperated with the Qingdao Municipal Government's electric vehicle industry planning, and built 6 public exchange power stations such as Xuejiadao Charging and Recharging Demonstration Power Station and Yan'an First Road Power Station, serving more than 1,000 electric buses, to build a Qingdao public transport demonstration. The city has laid a solid foundation.†The relevant person in charge of Qingdao Power Supply Company said that in the next step, Qingdao will build a network of electric fast-charging stations for electric vehicles with a service radius of 2.5 kilometers in the central city and a service radius of 5 kilometers in other areas of the city. The passenger car AC charging pile was upgraded to “5 km charging ringâ€.
With the Jinan area renovation project, State Grid Shandong Electric Power will carry out the demonstration project of electric vehicle intelligent charging and replacing service network according to the district reconstruction plan, to meet the charging demand of various types of electric vehicles in the district, and to drive the planning and construction of Jinan's overall charging and replacement service network. Jinan Power Supply Company will also set up an "intercity high-speed fast charging station + urban charging station" as a network charging intelligent charging service network, introducing Internet business model, building cluster management, unified billing, charging pile (station) information resource sharing The electric vehicle charging public service platform supporting multiple charging payment settlement methods is open to all electric vehicle customers, providing services such as network navigation, reservation charging, mobile payment, etc., to improve the convenience of charging and the efficiency of equipment use.
State Grid Shandong Electric Power also actively communicates with Shandong Qilu Transportation Development Group and Shandong Expressway Group to build a highway intercity fast charging service network to provide strong charging protection for electric vehicles across inter-city green travel. At present, the company has built 36 fast charging stations, initially forming a “three vertical and one horizontal†high-speed fast charging network. In the next step, the company will start construction of intercity fast charging stations in 15 expressways such as Qinglan and Rongjing in Shandong Province, and build urban fast charging stations in Jinan, Qingdao and Linyi, in Jinan, Tai'an, Yantai and Jining. , Heze, Rizhao, Dongying construction electric bus DC fast charge unit, to build an intercity fast charge network covering the province's highways.
The equipment is new complete equipment used in gold trade to recover gold from the gold-carrying carbon. It is suitable for desorption and electrolysis of gold-carrying carbon with different grades. The desorption is an intermixture of 1~2% sodium cyanide and 1~4% sodium hydroxide. The desorption solution is pumped to the heater by circulating pump and heated to the desired temperature. Then the solution flows downward to the bottom of desorption column, through the gold-carrying carbon in the column and upward to the top of it. During flowing, the solution strip gold from the carbon (at this stage the solution containing gold is called as pregnant solution). The pregnant solution runs out from the top of the column and into the electrolytic cell. In cell, the gold in the solution is electrically deposited in the steel wool of the cathode frame, and the rest (called as lean solution) flows back to desorption solution cell and recycled.
The gold mud containing rich gold and silver is taken out of desorption cell and transported to the separation section.
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Changchun Gold Research Institute Co.LTD , https://www.changchungoldresearch.com