1、气体流量计：每两个加油点安装一个，用于监测给车辆加油时的油气回收量

　　1. Gas flow meter: installed at every two refueling points to monitor the amount of oil and gas recovered when refueling the vehicle

　　2、气体压力传感器：用于持续测量油气空间的压力，以监测储油罐泄漏和过压

　　2. Gas pressure sensor: used to continuously measure the pressure in the oil and gas space to monitor oil tank leaks and overpressure

　　3、isd软件增强模块：每个液位仪安装一个，用于激活isd软件和模块

　　3. ISD software enhancement module: Install one for each level gauge to activate ISD software and modules

　　4、nvmem2board内存：每个tls控制台安装一个，为isd存储报告，并提供可拓展的内存空间

　　4. Nvmem2board memory: Install one for each TLS console to store ISD reports and provide expandable memory space

　　5、isd系统基于tls-3050r智能型液位仪管理平台。由于采用了化设计，tls-3050r液位仪同时支持动态测漏，可选配多种监测传感器，为每一种油品自动建立油罐与油枪的映射关系isd系统在加油机内的油气回收管路上串联测量油气流量的流量计，测量所回收油气的体积流量，将这一体积流量与此次加油的油品液体流量进行比较，即可测得油气回收过程中的气液比同时，通过油气压力测量已联通的油气回收管道和地下油罐的压力值，通过此压力值的波动及其变化速度，监测整个加油站系统的密闭性和油气泄漏情况。

　　5. The ISD system is based on the TLS-3050R intelligent liquid level instrument management platform. Due to the adoption of chemical design, the tls-3050r level gauge supports dynamic leak detection and can be equipped with multiple monitoring sensors to automatically establish a mapping relationship between the oil tank and the oil gun for each type of oil. The ISD system is connected in series with a flow meter on the oil and gas recovery pipeline inside the refueling machine to measure the volume flow rate of the recovered oil and gas. By comparing this volume flow rate with the liquid flow rate of the oil being refueled, the gas-liquid ratio during the oil and gas recovery process can be measured. At the same time, the pressure values of the connected oil and gas recovery pipeline and underground oil tank can be measured through oil and gas pressure measurement. By measuring the fluctuation and change speed of this pressure value, the airtightness and oil and gas leakage of the entire gas station system can be monitored.

　　6、油气和油气压力传感器所采集到的数据，统一上传至tls控制台进行统计分析。在油气回收系统工作处于非正常状态时，在线监测系统会发出轻度或重度警告。若警告的问题在一段时间内尚未得到解决，在线监测系统不但再次发出警报，而且会采取相应措施停止加油。

　　6. The data collected by oil and gas and oil and gas pressure sensors are uploaded to the TLS console for statistical analysis. When the oil and gas recovery system is operating in an abnormal state, the online monitoring system will issue a mild or severe warning. If the warning issue has not been resolved within a period of time, the online monitoring system will not only issue another alarm, but also take corresponding measures to stop refueling.

　　油气回收设备的回收效果检测

　　Detection of recovery effect of oil and gas recovery equipment

　　1、油气回收检测设备，油气回收检测设备分为便携式和固定式，便携式可以随身携带把仪器放到排放口放置5分钟就可以分析出排放的油气浓度，然后根据数值判定油气排放达标还不达标，由于便携式油气回收检测设备的方便性所以售价比较昂贵，一般也只有环保监测部门配备，对于油气挥发企业来讲他们是不愿意配备的。

　　1. Oil and gas recovery detection equipment is divided into portable and fixed types. Portable equipment can be carried around and placed at the discharge outlet for 5 minutes to analyze the concentration of oil and gas emissions. Then, based on the value, it can be determined whether the oil and gas emissions meet the standard or not. Due to the convenience of portable oil and gas recovery detection equipment, the price is relatively expensive, and it is generally only equipped by environmental monitoring departments. For oil and gas volatilization enterprises, they are unwilling to equip it.

　　2、固定式油气回收检测设备一般针对油气挥发排放量较大的企业进行的定点监测，以避免在重大污染事故发生不能及时处理。固定式检测设备一般是撬装式设备，检测探头安放在油气回收装置集中排放口，24小时进行检测，动力需要安防地点提供220V动力电。数据可以通过互联网同步传送到终端接收服务器24小时进行记录检测。相对于便携式检测设备，固定式检测设备更准确，更经济，更耐用，实现的功能更全面。比如可以24小时检测， 可以随时数据传送，可以无人值守检测。固定式检测设备需要安放人员定期的巡视，维护保养。这样才能更好的调整油气回收装置运行参数让油气回收设备更加高效工作

　　2. Fixed oil and gas recovery detection equipment is generally used for fixed-point monitoring of enterprises with large oil and gas volatilization emissions, in order to avoid the inability to handle major pollution accidents in a timely manner. Fixed detection equipment is generally a pry mounted device, with the detection probe placed at the centralized discharge outlet of the oil and gas recovery device, and tested 24 hours a day. The power requires a 220V power supply from the security location. The data can be synchronously transmitted to the terminal receiving server via the Internet for 24-hour record detection. Compared to portable detection devices, fixed detection devices are more accurate, economical, durable, and achieve more comprehensive functions. For example, it can be detected 24 hours a day, data can be transmitted at any time, and unmanned detection is possible. Fixed detection equipment requires personnel to conduct regular inspections and maintenance. Only in this way can the operating parameters of the oil and gas recovery device be better adjusted to make the oil and gas recovery equipment work more efficiently

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