Drum with stainless steel AISI 316 filtering cloth and trough with automatic feed valve controlled by a level control device.
鼓与不锈钢AISI 316过滤的布料和低谷与自动饲料阀门由一个平实控制设备控制。
Feed the new drilling line (fast line) through the side of the drawworks drum.
把快绳头穿过绞车辊筒的一边。
Procedure of manually combing large size unit's Feed water Pump is complex and easy to cause much change of drum level.
大机组给水泵手动并泵操作复杂，易造成汽包水位大幅波动。
Using Petrochemical Company feed pump as example, the pump application characteristics of drum balance mechanism in multistage was discussed, and malfunction problem of the feed pump was analyzed.
本文以某石化公司加氢装置原料泵为例，介绍了鼓盘鼓平衡机构在多级泵中的应用特点，并对加氢装置原料泵出现的故障问题进行分析和解决。
One-side arrangement for feed water pipe on drum is simple and the quantity of orifices on drum decreases, it adopts variable pitches in multi-orifices distributing pipe to balance water flow.
单侧进水的汽包配水管布置简单，并减少了汽包上的开孔数量，配水管上采用变节距分配孔以保证汽包长度方向上的均匀分流。
This paper focuses on effects of the valve characteristics and the transfer pipe delay on dynamic performance for boiler drum level, under varying valve opening of the feed water control valve.
本文着重探讨当给水调节伐门开度变化时，伐门特性以及管路传输迟延对锅炉汽包水位动态特性的影响。
At the high load condition, change the rotating speed of steam or electricity feed water pumps to ensure the water level of the drum.
高负荷时通过改变给水泵转速改变给水量，用三冲量系统控制汽包水位。
Mathematics Model is established for analyzing distribution characteristics of feed water pipe in drum, valuable suggestion is obtained from the model.
建立了单侧进水的汽包配水管分配特性的数学模型，并用它分析了一台电站锅炉的配水装置，获得了有价值的结论。
Based on the characteristics of superheated steam temperature of a drum boiler, a new cascade feedback control system with load feed-forward is designed.
针对锅炉过热汽温的特点，设计前馈-反馈串级复合型控制系统。
The feed end felt wrapped roll between the wipe roll drum set and the press polishing machine is set guide roll in which the heating device is set.
一种实现上述方法的装 置，由压延机、剥离辊筒组和压光机构成，在剥离辊筒组与压光机的进料端压光辊之间设置有一个导送辊，导送辊中设置有加热装置。
Water level of boiler drum in power station is one of the main control parameters for turbine-generator unit, which reflects the balance of boiler load and feed-water indirectly.
电站锅炉汽包水位间接地反映了锅炉负荷与给水平衡的关系。是电站发电机组运行的主要控制参数之一。
The automatic paper rolling machine comprises machine frame, paper feed roll, upper and lower conveyer belts, paper-rolling drum and air-jet device.
一种自动卷纸机是由机架、放纸辊、上下传送带、卷纸辊、喷气装置组成。
The automatic paper rolling machine comprises machine frame, paper feed roll, upper and lower conveyer belts, paper-rolling drum and air-jet device.
一种自动卷纸机是由机架、放纸辊、上下传送带、卷纸辊、喷气装置组成。
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