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    PRESSURE REDUCING SYSTEM FOR FUEL GAS AND NATURAL GAS DEWAXING VEHICLE
    1.
    发明申请
    PRESSURE REDUCING SYSTEM FOR FUEL GAS AND NATURAL GAS DEWAXING VEHICLE 有权
    用于燃油和天然气起动车辆的减压系统

    公开(公告)号：US20120138182A1

    公开(公告)日：2012-06-07

    申请号：US13389795

    申请日：2010-08-11

    Applicant: Dequan Liang ,  Weizhong Wang ,  Xiangfu Dai ,  Nian Li ,  Xingpu Wang ,  Peng Li ,  Shucheng Lu ,  Yuqiong Luo ,  Zhangying Li ,  Jinsong Tan ,  Dan Wu ,  Sen Lin

    Inventor： Dequan Liang ,  Weizhong Wang ,  Xiangfu Dai ,  Nian Li ,  Xingpu Wang ,  Peng Li ,  Shucheng Lu ,  Yuqiong Luo ,  Zhangying Li ,  Jinsong Tan ,  Dan Wu ,  Sen Lin

    IPC: G05D16/00 ,  B60P3/00 ,  F16K24/04 ,  F16K31/02

    CPC classification number: F02M21/06 ,  B60P3/225 ,  G05D16/2033 ,  Y02T10/32 ,  Y10T137/6855 ,  Y10T137/7761 ,  Y10T137/86196 ,  Y10T137/86292 ,  Y10T137/87925

    Abstract: A pressure reducing system for fuel gas and a natural gas dewaxing vehicle are disclosed. The pressure reducing system (6) comprises fuel gas pipelines which consist of successively connected a high pressure pipeline (41), a medium pressure pipeline (42) and a low pressure pipeline (43) in the flow direction of fuel gas. The tail end of the low pressure pipeline (43) connects with an combustion apparatus (7). A high pressure relief valve (17), a high pressure air feed valve (21), a heat exchanger (24) and a primary pressure reducing valve subassembly are connected on the high pressure pipeline (41). The heat exchanger (24) is provided with a hot fluid inlet (24A) and a hot fluid outlet (24B), wherein the hot fluid inlet (24A) connects with an hot water apparatus (12), and the hot fluid outlet (24B) connects with an water storage apparatus. The medium pressure pipeline (42) is equipped with a medium pressure relief valve (27) and a secondary pressure reducing valve (29). The low pressure pipeline (43) is equipped with a low pressure relief valve (31) and a third pressure reducing valve (34). Because of the adoption of three-level pressure reduction, the pressure reducing system (6) for fuel gas can guarantee output pressure of natural gas meeting combustion requirements. The natural gas dewaxing vehicle comprises an automobile chassis (1), a bedplate (11), a water supply system, a dynamic system, a combustion mechanism, a gas storage device (9) and a pressure reducing system for fuel gas (6). The natural gas dewaxing vehicle, which employing the pressure reducing system (6) for fuel gas, can make it possible to use natural gas without enlarging the volume of a vehicle, and can largely reduce the cost of use and modification.

    Abstract translation: 公开了一种用于燃料气体和天然气脱蜡车辆的减压系统。 减压系统（6）包括燃料气管道，其包括在燃料气体的流动方向上连续地连接有高压管道（41），中压管道（42）和低压管道（43）。 低压管道（43）的尾端与燃烧装置（7）连接。 在高压管道（41）上连接有高压溢流阀（17），高压空气供给阀（21），热交换器（24）和主减压阀子组件。 热交换器（24）设置有热流体入口（24A）和热流体出口（24B），其中热流体入口（24A）与热水设备（12）连接，热流体出口（24B） ）与储水装置连接。 中压管道（42）配备有中压卸压阀（27）和二次减压阀（29）。 低压管道（43）配备有低压安全阀（31）和第三减压阀（34）。 由于采用三级减压，燃气的减压系统（6）可以保证满足燃烧要求的天然气输出压力。 天然气脱蜡车包括汽车底盘（1），底板（11），供水系统，动力系统，燃烧机构，气体存储装置（9）和用于燃料气体的减压系统（6） 。 使用用于燃料气体的减压系统（6）的天然气脱蜡车辆可以在不增加车辆体积的情况下使用天然气，并且可以大大降低使用和改造成本。

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