Technical scheme of coal mine safety monitoring system

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为提高煤矿安全监控系统准确性、灵敏性、可靠性、稳定性和易维护性,增强煤矿安全保障能力,国家煤矿安监局组织制定了《煤矿安全监控系统升级改造技术方案》,近日正式印发。
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煤矿安全监控系统主要用来监测甲烷浓度、一氧化碳浓度、二氧化碳浓度、氧气浓度、硫化氢浓度、矿尘浓度、风速、风压、湿度、温度、馈电状态、风门状态、风筒状态、局部通风机开停、主要风机开停等,并实现甲烷超限声光报警、断电和甲烷风电闭锁控制等功能的系统。具有模拟量、开关量、累计量采集、传输、存储、处理、显示、打印、声光报警、控制等功能,用于监测甲烷浓度、一氧化碳浓度、风速、风压、温度、烟雾、馈电状态、风门状态、风筒状态、局部通风机开停、主通风机开停,并实现甲烷超限声光报警、断电和甲烷风电闭锁控制,由主机、传输接口、分站、传感器、断电控制器、声光报警器、电源箱、避雷器等设备组成的系统。
在2010年国务院颁布的《关于进一步加强企业安全生产工作的通知》(国发23号)和国家安全生产监督管理总局国家煤矿安全监察局颁布的《关于建设完善煤矿井下安全避险“六大系统”的通知》要求全国煤矿安装监测监控。
煤矿安全监控系统升级改造技术方案
一、目标任务(一)促进安全监测监控新技术新装备的推广应用,提高安全监控系统技术性能和安全可靠性,适应煤矿安全生产的需要。
(二)促进安全监测监控多元融合和信息共享,提高煤矿安全预测预警水平,实现安全监测监控信息的深度分析和综合利用。
(三)支持安全监管监察,促进煤矿企业合理有效使用安全监控系统,充分发挥安全监控系统在煤矿安全生产中的重要作用,提升井下日常安全生产技术保障水平。
二、基本原则1.统筹规划、试点先行、有序推进。统一技术方案,示范先行、稳步推进,针对不同的矿井类型分步实施。
2.政府引导、企业主体、协同配合。发挥省级煤矿安全监察局的作用,突出煤矿企业在安全监控系统升级改造中的主体地位,引导生产企业积极进行产品研发和升级,督促检测检验机构和安标中心积极配合开展产品检验和MA认证。
3.继承发扬、需求优先、扎实有效。在充分利用现有系统的基础上,根据实际需求进行升级改造;推广架构简单系统和激光、红外等先进监测技术装备,确保升级改造有效。
4.新安装系统与煤矿在用系统分类处理。新安装的系统满足新标准(煤矿安全监控系统通用技术要求、煤矿安全监控系统及检测仪器使用管理规范)要求,煤矿在用系统在规定时间内经技术改造后满足新标准要求。
三、主要内容1传输数字化在分站至中心站数字化传输的基础上,将传感器(模拟量)至分站升级为数字传输,实现安全监控系统的数字化,促进智能传感器发展。
2增强抗电磁干扰能力安全监控系统及组成设备采用抗干扰(EMC)技术设计,通过以下试验:地面设备3级静电抗扰度试验,评价等级为A;2级电磁辐射抗扰度试验,评价等级为A;2级脉冲群抗扰度试验,评价等级为A;交流电源端口3级、直流电源与信号端口2级浪涌(冲击)抗扰度试验,评价等级为B。
试验条件:形成完整的系统架构,组成设备的类型齐全;至少一台分站达到满载要求;交换机及接口的每个电口至少带载一台设备。
试验加载方法:系统中不同类型组成设备均分别进行试验;试验在系统正常工作状态下进行,即系统传感、传输、显示、控制、执行的功能正常。
3推广应用先进传感技术及装备推广使用架构简单系统以及激光、红外等低功耗传感器、自诊断型传感器,鼓励使用多参数传感器。
突出矿井的采煤工作面进、回风巷,煤巷、半煤岩巷和有瓦斯涌出的岩巷掘进工作面回风流中,采区回风巷,总回风巷瓦斯传感器推荐使用激光、红外等全量程传感器。突出、高瓦斯矿井的回风隅角建议采用无线传感器。建议加装粉尘监测设备。
4提升传感器的防护等级将采掘面传感器的防护等级由IP54提升到IP65。
5完善报警、断电等控制功能系统实现分级报警,根据瓦斯浓度大小、瓦斯超限持续时间、瓦斯超限范围等,设置不同的报警级别,实施分级响应。各级别报警浓度值的设置可由煤矿企业根据相关法规标准和实际情况决定。
推行逻辑报警,根据巷道布置及瓦斯涌出等的内在逻辑关系,实施逻辑报警,促进各类传感器的正确安装、设置、维护,监控系统的正常使用,防止违法行为。具体逻辑关系可由煤矿企业根据实际情况进行设置。
完善就地断电功能,提高断电的可靠性,并加强馈电状态监测。
推行区域断电,可由煤矿企业根据井下供电系统的实际情况进行设置。
6支持多网、多系统融合实现井下有线和无线传输网络的有机融合、监测监控与GIS技术的有机融合。
多系统的融合可以采用地面方式,也可以采用井下方式。鼓励新安装的安全监控系统采用井下融合方式。在地面统一平台上必须融合的系统:环境监测、人员定位、应急广播,如有供电监控系统,也应融入。其它可考虑融合的系统:视频监测、无线通信、设备监测、车辆监测等。
7格式规范化系统主干网应采用工业以太网。
分站至主干网之间宜采用工业以太网,也可采用RS485、CAN、LonWorks、Profibus。“十三五”末应采用工业以太网。
模拟量传感器至分站的有线传输采用工业以太网、RS485、CAN;无线传输采用WaveMesh、Zigbee、Wi-Fi、RFID。
系统改造后支持联网并按要求数据格式上传。
8增加自诊断、自评估功能实现系统定期的自诊断、自评估,能够预先发现系统在安装使用中存在的问题。自诊断的内容至少应包括:
(1)传感器、控制器的设置及定义;
(2)模拟量传感器维护、定期未标校提醒;
(3)模拟量传感器、控制器、电源箱等设备及通信网络的工作状态;
(4)中心站软件自诊断,包括双机热备、数据库存储、软件模块通信。
9加强数据应用分析安全监控系统应具有大数据的分析与应用功能,至少应包括以下内容:
(1)伪数据标注及异常数据分析;
(2)瓦斯涌出、火灾等的预测预警;
(3)大数据分析,如多系统融合条件下的综合数据分析等;
(4)可与煤矿安全监控系统检查分析工具对接数据。
10应急联动在瓦斯超限、断电等需立即撤人的紧急情况下,可自动与应急广播、通信、人员定位等系统的应急联动。
11提升系统性能指标(1)系统巡检周期不超过20s;
(2)异地断电时间不超过40s;
(3)备用电源能维持断电后正常供电时间由2h提升到4h,更换电池要求由仅能维持1h时必须更换,提高到仅能维持2h时必须更换;
(4)具有双机热备自动切换功能;
(5)模拟量传输处理误差不超过0.5%;
(6)分站的最大远程本安供电距离(在设计工况条件下)实行分级管理,分别为2km、3km、6km。
12增加加密存储要求为有利于安全监管监察和企业安全管理,对采掘工作面等重点区域的瓦斯超限、报警、断电信息应进行加密存储,采用如MD5、RSA加密算法对数据进行加密,确保数据无法被破解篡改。
13方便用户使用、维护、培训软件界面友好,方便调用,强化帮助功能。
四、实施方法1各省级煤矿安全监察局指导并督促煤矿开展升级改造工作,结合本地区淘汰落后产能规划,落实升级改造任务。煤矿企业应依据本方案制定升级改造实施方案,并报省级煤矿安全监察局。2在用安全监控系统升级改造分步实施。大型矿井、煤与瓦斯突出矿井的在用安全监控系统升级改造工作应在2018年底前完成;其他矿井应在“十三五”末完成。3在用安全监控系统的升级改造,可选择采取以下方式:
1.全部更换。对于经评估后没有改造价值的,应安装新的安全监控系统。
2.部分改造。对于改造中安全监控系统的个别组件与取得安全标志的安全监控系统配置存在差异、又涉及本安关联的,应按照实际连接情况进行本安系统整体评定,出具本安系统整体评定报告,必要时进行关联检验并出具报告;实施改造的单位保证使用性能满足本方案的要求,并出具测试报告。对已经进行本安关联评定的同类情况,在其他矿井升级改造时不再进行。
3.安全监控系统升级改造过程中,如果仅涉及软件更新,由生产单位自行试验保证。

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In order to improve the coal mine safety monitoring system accuracy, sensitivity, reliability, stability and maintainability, enhance security capabilities of coal mine, the State Coal Mine Safety Supervision Bureau has organized the formulation of technical scheme to upgrade the coal mine safety monitoring system renovation, recently officially issued.
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In 2010 the State Council promulgated the on the further strengthening of the enterprise safety production work notice (Guo Fa No. 23) issued by the State Administration of production safety supervision and the National Coal Mine Safety Supervision Bureau on the construction of coal mine safety risk six systems notice requirements of the national coal mine monitoring installation.
Technical scheme of coal mine safety monitoring system
First, the objectives and tasks to promote the safety monitoring and control of new technology and new equipment to promote the application, improve the safety monitoring system technical performance and safety and reliability, to meet the needs of coal mine safety production.
(two) to promote the integration of safety monitoring and monitoring and information sharing, improve the level of coal mine safety prediction and early warning, to achieve the depth analysis and comprehensive utilization of safety monitoring and control information.
(three) support the safety supervision and inspection, to promote the rational and efficient use of coal mine enterprise safety monitoring system, give full play to the important role of safety monitoring system in coal mine safety production, improve mine safety production technology daily security level.
Two, the basic principles of overall planning, pilot first, orderly advance in 1. Unified technical program, demonstration first, steadily, for different types of coal mine step by step.
2 government guidance, enterprise main body, coordination. Play the role of the Provincial Coal Mine Safety Supervision Bureau, prominent coal mining enterprises in upgrading the main position of the safety monitoring system, and guide the production enterprises to actively carry out product development and upgrading, supervise inspection agencies and safety standard center actively cooperate in product inspection and certification of MA.
3 inherit and carry forward, demand first, solid and effective. On the basis of making full use of the existing system, according to the actual needs of upgrading and upgrading, the promotion of simple architecture and laser, infrared and other advanced monitoring technology and equipment, to ensure the effective upgrade.
4 new installation system and classification of coal mine in use system. The newly installed system to meet the new standards (the use of standardized management of coal mine safety monitoring system, general technical requirements of coal mine safety monitoring system and instrumentation system) requirements, within the prescribed time after transformation to meet the new standards in the coal mine.
Three, the main contents of the 1 digital transmission in the sub station to the central station of digital transmission, the sensor (Analog) station to upgrade to digital transmission, digital security monitoring system, promote the development of intelligent sensor.
2 enhance the ability of anti electromagnetic interference and safety monitoring system and equipment using the anti – interference (EMC) technology design, through the following tests: ground equipment 3 electrostatic immunity test, the evaluation grade is A; 2 level electromagnetic radiation immunity test, the evaluation grade is A; 2 level pulse immunity test and evaluation class A; AC power supply port 3, DC power supply and signal port 2 level surge (impact) immunity test, the evaluation grade is B.
Test conditions: forming the complete system architecture, the types of equipment complete; at least one station reached full load requirements; equipment each port switch and interface with at least.
Test loading method: different types of components in the system are tested respectively; the test is carried out under the normal working state of the system, that is, the function of system sensing, transmission, display, control and execution.
3 application of advanced sensor technology and equipment to promote the use of simple structure system and low power laser, infrared sensor, self diagnosing sensor, encourage the use of multi parameter sensor.

85后网警张敏:守护虚拟世界安全的”IT战警”

Coal face outburst in coal roadway, and return air lane, half coal rock roadway gas emission and rock drivage working face return air, the air return roadway, total return air roadway gas sensor is recommended to use the laser and infrared full range sensor. Outstanding, high gas coal mine in return corner suggested using wireless sensor. Dust monitoring equipment.
4 enhance the protection level of the sensor will enhance the protection level of the mining surface sensor from IP54 to IP65.
5 improve the alarm, power failure and other control functions to achieve a hierarchical alarm system, according to the concentration of gas concentration, gas overrun duration, gas overrun range, set different alarm levels, the implementation of hierarchical response. The setting of alarm concentration values at all levels may be determined by the coal mining enterprises in accordance with the relevant laws and regulations and the actual situation.
The implementation of the logical alarm, according to the internal logic relationship between roadway layout and gas emission etc. the implementation logic alarm, promote all kinds of sensor installation, setup, maintenance, normal operation of the monitoring system, to prevent illegal behavior. The specific logical relationship can be set up according to the actual situation.
Improve the local power off function, improve the reliability of power supply, and strengthen the monitoring of feed state.
The implementation of regional power outages can be carried out by the coal mining enterprises in accordance with the actual situation of the underground power supply system.
6 to support the integration of multi network and multi system to realize the organic integration of the wired and wireless transmission network and the organic integration of monitoring and GIS technology.
The fusion of multi system can be used in the ground or underground. Encourage the newly installed safety monitoring system using underground fusion. The system must be integrated on the ground: environmental monitoring, personnel positioning, emergency broadcast, such as power supply monitoring system, should also be integrated. Other systems can be considered: video surveillance, wireless communications, equipment monitoring, vehicle monitoring, etc..
7 format standardization system backbone network should adopt industrial ethernet.
Between the station to adopt industrial Ethernet backbone, also can use RS485, CAN, LonWorks, Profibus. 13th Five-Year at the end of the industrial ethernet.
Cable transmission analog sensor to the substation using industrial Ethernet, RS485, CAN; wireless transmission by WaveMesh, Zigbee, Wi-Fi, RFID.
After the transformation of the system to support networking and upload data in accordance with the requirements of the format.
8 self diagnosis, self evaluation function of the system to achieve a regular self diagnosis, self evaluation, can be found in the use of the system in the existing problems. The content of self diagnosis shall include at least:
(1) the setting and definition of sensors and controllers;
(2) the analog sensor maintenance, regular calibration reminder;
(3) the analog sensor, controller, power supply box and the working state of the communication network;
(4) the central station software self diagnosis, including the hot standby, database storage, software module communication.
9 to strengthen the application of data analysis security monitoring system should have the function of data analysis and application, at least should include the following:
(1) pseudo data labeling and abnormal data analysis;
(2) prediction of gas emission and fire;
(3) large data analysis, such as integrated data analysis under the condition of multi system integration;
(4) the data can be checked and analyzed with the coal mine safety monitoring system.
10 emergency linkage in the gas overrun, power outages, such as the need for immediate withdrawal of emergency situations, can automatically and emergency broadcast, communications, personnel positioning and other emergency response system.
11 improve the system performance indicators (1) system inspection cycle is not more than 20s;
(2) offsite power off time is not more than 40s;
安全意识薄弱的确会带来很多问题,但要有效地提高安全意识却并不是一件容易的事。无论以什么名义,培训只是其中的一环,是在技术和管理上加强信息安全的一个很好的切入点。
(3) standby power supply to maintain the normal power supply time after the upgrade from 2H to 4h, the replacement of the battery requirements can only be maintained by 1H must be replaced, to be able to maintain only 2H must be replaced;
(4) it has the automatic switching function;
(5) analog transmission processing error is not more than 0.5%;
(6) the most remote distance (intrinsically safe power supply substation in design conditions) and graded management, respectively 2km, 3km, 6km.
12 increase the encryption storage requirement is conducive to safety supervision and safety management of enterprises, and the gas gauge of the mining face in key areas such as alarm, power-off information should be encrypted storage, such as MD5, using RSA encryption algorithm to encrypt the data, to ensure that data cannot be tampered with broken solution.

恒昌惠诚公司持续深耕信息安全建设

13 easy to use, maintenance, training software interface friendly, easy to call, strengthen the help function.
Four, the implementation method of the Provincial Coal Mine Safety Supervision Bureau of the 1 guidance and supervision of coal mines to carry out upgrading work, combined with the elimination of backward production capacity planning in the region, the implementation of the task of upgrading. Coal mining enterprises should be in accordance with the plan to develop the implementation plan for upgrading, and reported to the provincial coal mine safety supervision bureau. 2 step by step in the upgrading of the safety monitoring system. Large coal mine, coal and gas outburst in safety monitoring system upgrade work should be completed before the end of 2018; other mines should be completed in late 13th Five-Year. 3 in the use of safety monitoring system upgrade, you can choose to take the following ways:
1 all replacement. A new safety monitoring system shall be installed for the assessment of the value of the retrofit.

计算机病毒、网络攻击、垃圾邮件、系统漏洞、网络窃密、虚假有害信息和网络违法犯罪等信息网络安全问题的出现,给我国经济社会发展和国家安全带来不利影响。

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