In order to maintain and consolidate the strong advantages of Shaanxi Heavy Duty trucks in the field of natural gas vehicles, reduce the transportation costs of LNG vehicles, reduce operating costs, and shorten the delivery time, Shaanxi Automobile Special Vehicles Division successfully developed LNG mobile refuelling vehicles. The development of this vehicle has fundamentally solved the problem of the inability to transport long distances and the high transportation costs due to the underdeveloped network of LNG refueling stations.
Shaanxi Auto LNG mobile refuelling vehicle is developed based on DeLong F2000 technology, adopts 8×4 drive form, and selects Weichai energy-saving and environment-friendly LNG natural gas engine (optionally installed in State IV emission) in the vehicle configuration to design the tank capacity For 20.6m3, 1.2Mpa, there are upper and lower inlets, unloading and refueling inlets are provided, and booster is provided; the pressure differential dosing function normally used is retained, but at the same time With the import of the submersible pump to add liquid, so as to avoid the risk of tank tanks continue to high pressure; submersible pump power supply can be external 380V AC, but also through the power to drive the 20KW motor self-generation, via the Siemens 18.5KW inverter Output 220V DC, output to the direct control end of the submersible pump - explosion-proof box, you can change the speed of the liquid by adjusting the speed of the motor, the output pressure of the submersible pump is adjustable, until the filling pressure reaches the set value plus liquid The process will stop automatically.
In addition, the control program also retains the pre-cooling function of the submerged pump, the imported flow meter can accurately calculate the LNG refueling amount, the unit price can follow the market adjustment settings, liquid crystal display tank pressure, pump pressure, tank temperature, The liquid level display also serves as a comparative test for pointer instruments of the same type on the tanker. Shaanxi Steam LNG mobile refueling vehicles can also be used as mobile refueling stations to implement LPG vehicle refueling and sales.
It is understood that Shaanxi Automobile LNG heavy truck orders mainly come from the Xinjiang region and there are more batch orders. The delivery company delivers a vehicle with a cost of 13,510 yuan. When a mobile refuelling vehicle transports a maximum of 21 LNG products, the bicycle cost is 7,408 yuan. , The cost savings can be 45%, transporting more than 4 vehicles can save delivery costs and delivery to Xinjiang (one-way) takes at least 8 days, mobile refuelling vehicle delivery (one-way) takes only 5 days, shortened delivery time, Improve the operating efficiency.
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