摘要
为解决露天矿洒水车无法根据道路扬尘浓度自主调节喷洒水量的问题,设计一种发动机与斜盘式柱塞泵提供动力的变量洒水的喷洒系统。设计喷洒系统数学模型,计算得出喷洒系统中的喷嘴口径,获得喷洒系统的动态特性;建立喷洒系统的AMESim仿真模型,分析发动机转速、柱塞泵开口和喷嘴口径等关键参数对喷洒系统喷洒水量的影响。结果表明:增大柱塞泵倾斜角度、提高引擎转速,可以提升系统稳定性。该变量喷洒系统的喷嘴直径为2 mm,喷嘴在1.1 s后进入振荡状态并逐渐趋于稳定,斜盘倾角开度为0.95时,最先进入振荡状态并趋于稳定,当发动机转速3000 r/min时,振荡时间短,可减少系统响应时间。
The open-pit mine sprinkler is unable to autonomously adjust the spraying volume based on road dust concentration.To solve this problem,a variable spraying system powered by an engine and a swash plate plunger pump was designed.The mathematical model of the spraying system was designed,and the nozzle diameter of the spraying system was calculated to obtain the dynamic characteristics of the spraying system.The AMESim simulation model of the spraying system was established,the affects of the key parameters such as engine speed,plunger pump opening,and nozzle diameter on the spraying volume of the spraying system were analyzed by parametric simulation.The results show that increasing the tilt angle of the plunger pump and enhancing the engine speed can improve the stability of the system.The nozzle diameter of the variable spraying system is 2 mm.The nozzle enters an oscillation state and gradually stabilizes after 1.1 s.When the tilt angle opening of the swash plate is 0.95,it first enters an oscillation state and tends to stabilize.When the engine speed is 3000 r/min,the oscillation time is short,which can reduce the system response time.
作者
王晗
唐亚东
杨国吉
杨保成
邹琪
谢苗
WANG Han;TANG Yadong;YANG Guoji;YANG Baocheng;ZOU Qi;XIE Miao(Shenhua Baori Hiller Energy Company Limited Opencast Coal Mine,Hulunbuir Inner Mongolia 021008,China;School of Mechanical Engineering,Liaoning Technical University,Fuxin Liaoning 123000,China)
出处
《中国安全科学学报》
CAS
CSCD
北大核心
2023年第S02期140-144,共5页
China Safety Science Journal
关键词
洒水车
液压系统
AMEsim仿真分析
自主调节
动态特性
sprinkler
hydraulic system
AMEsim simulation analysis
autonomous adjustment
dynamic characteristics
