矿用洒水车降尘喷洒系统研究

doi:10.16265/j.cnki.issn1003-3033.2023.S2.0004

中国安全科学学报 ›› 2023, Vol. 33 ›› Issue (S2): 152-157.doi: 10.16265/j.cnki.issn1003-3033.2023.S2.0004

矿用洒水车降尘喷洒系统研究

鹿立新¹(), 杜志勇¹, 孙国思¹^,², 唐亚东¹, 杜勇志¹, 谢苗²

¹ 国能宝日希勒能源有限公司露天煤矿, 内蒙古呼伦贝尔 021008
² 辽宁工程技术大学机械工程学院, 辽宁阜新 123000

收稿日期:2023-07-10 修回日期:2023-10-12 出版日期:2023-12-30
作者简介:
鹿立新 (1981—),男,内蒙古赤峰人,本科,工程师,主要从事煤炭开采与矿业运输方面的工作。E-mail:11550937@chnenergy.com.cn。
杜志勇高级工程师
谢苗教授

Research of dust reduction and spraying system for mining sprinklers

LU Lixin¹(), DU Zhiyong¹, SUN Guosi¹^,², TANG Yadong¹, DU Yongzhi¹, XIE Miao²

¹ Shenhua Baori Hiller Energy Company Limited Opencast Coal Mine, Hulunbuir Inner Mongolia 021008, China
² School of Mechanical Engineering, Liaoning Technical University, Fuxin Liaoning 123000, China

Received:2023-07-10 Revised:2023-10-12 Published:2023-12-30

摘要/Abstract

摘要：

针对矿用洒水车喷洒系统不能根据道路扬尘浓度自主调节洒水量的问题,设计矿用洒水车变量喷洒系统,通过AMEsim软件建立变量喷洒系统仿真模型,分析洒水车经历水平路段-上坡路段-下坡路段变量喷洒系统的压力、流量和系统功率变化特性,并与定量喷洒系统对比;参数化分析变量喷洒系统的管路直径对喷嘴压力的影响特性;通过Fluent软件参数化仿真分析影响喷洒系统车速,获得车速对水雾喷洒过程的影响特性。研究表明:洒水车喷洒系统中发动机的转速在1 700 r/min以上可以有效维持系统稳定,当系统管路直径为50 mm,系统的最大压力为0.508 8 MPa,平均压力为0.456 MPa,维持了喷洒系统的压力。

关键词: 洒水车, 降尘效果, 变量喷洒系统, 定量喷洒系统, 雾滴粒径

Abstract:

The spraying system for mining sprinklers failed to autonomously adjust the amount of water sprayed based on the concentration of road dust. In view of this, a variable spraying system for mining sprinklers was designed. A simulation model of the variable spraying system was established using AMEsim software, and the pressure, flow, and system power changes of the variable spraying system experienced by the sprinkler on horizontal, uphill, and downhill sections were analyzed and compared with those of the quantitative spraying system. A parameterized analysis of the influence characteristics of pipeline diameter on nozzle pressure in the variable spraying system was conducted. Fluent parametric simulation software was used to analyze the impact of vehicle speed on the spraying system, and the influence characteristics of vehicle speed on the mist spraying process were obtained. The results show that engine speed above 1 700 r/min in the spraying system for the sprinkler can effectively maintain system stability. When the system pipeline diameter is 50 mm, the maximum pressure of the system is 0.508 8 MPa, and the average pressure is 0.456 MPa, which maintains the pressure of the spraying system.

Key words: sprinkler truck, dust effect, variable spraying system, quantitative spraying system, droplet size

中图分类号:

X964工业防尘

鹿立新, 杜志勇, 孙国思, 唐亚东, 杜勇志, 谢苗. 矿用洒水车降尘喷洒系统研究[J]. 中国安全科学学报, 2023, 33(S2): 152-157.

LU Lixin, DU Zhiyong, SUN Guosi, TANG Yadong, DU Yongzhi, XIE Miao. Research of dust reduction and spraying system for mining sprinklers[J]. China Safety Science Journal, 2023, 33(S2): 152-157.

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矿用洒水车降尘喷洒系统研究

Research of dust reduction and spraying system for mining sprinklers

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