RZFL100全自动反冲洗滤器
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概述 Overview
对于需要长时间无故障运行的设备而言，所用液体燃料、润滑剂或冷却液的清洁度至关重要。自清滤器采用多滤芯结构，适用于燃油、润滑油以及乳化液等多种液体介质且保证足够的过滤能力。且本系列滤器在维持系统压力恒定的情况下可以同时进行过滤与自动反冲洗，从而实现无人值守下的不间断运行。
For equipment that requires long-term trouble-free operation, the cleanliness of the liquid fuel, lubricant, or coolant used is critical. The self-cleaning filter uses a multi-element structure, suitable for a variety of liquid media such as fuel, lubricant, and emulsion, and ensures sufficient filtration capacity. And this series of filters can simultaneously perform filtration and automatic backwash while maintaining constant system pressure, enabling unattended, uninterrupted operation.技术参数 Technical parameter
型号
Type通径
DN工作压力
Working Pressure（MPa）工作温度
Working
Temperature
（℃）滤室数量
Qty of chambers滤芯使用面积 Filter area ( cm2)
总数
Total使用数
working chambersRZFL100
100
≤1.6
≤150
4
3
26160
设计原理 Design principle
RZFL100过滤器在壳体内拥有多个单独过滤室，每个过滤室内都配备了各自的滤芯组件用来提供很大的过滤面积。
该滤器多个滤室的设计提供了当某个滤室的滤芯积满污物时，另一个洁净滤室接管其工作的条件。通过电控箱来控制电机、电磁阀等部件，反冲洗动作可根据压差或时间触发，过程极为快捷、彻底，保证了过滤过程和反冲洗过程同步进行，相互独立。
滤器的每个滤室逐一进行过滤与反冲洗，多腔室过滤器的设计构成了整个过滤过程中的循环运动模式。
The RZFL100 filter features multiple individual filtering chambers within the shell, each equipped with its own filter element assembly to provide a large filtering area.
The design of multiple filter chambers in the filter provides the condition where when the filter element of a certain chamber becomes clogged with dirt, another clean chamber takes over its function. The motor, solenoid valve, and other components are controlled by an electric control box, and the backwash action can be triggered by pressure difference or time, with a very fast and thorough process, ensuring that the filtering process and backwash process proceed simultaneously and independently of each other.
Each filtering chamber in the filter performs filtering and backwash one after another, and the design of multiple chamber filter constitutes a cyclic motion mode throughout the entire filtering process.滤器外形 Filter contour
工作过程 Working process
1. 正常过滤状态
过滤液体进入滤器底部进口（①），流经壳体（②），由外向内通入滤芯（③），其中大于规定过滤精度的杂质被滤网滞留，过滤后的清洁液体由滤器上端出口（④）流出。2. 反冲洗状态 随着滤器工作时间的增加，越来越多的被滞留在滤芯上的杂质，导致滤器进出口两端的压力差不断上升，当压力差达到某一特定值时，压差发讯器即发出信号，接通减速电机（⑤），转阀（⑥）从备用滤室转到需清洗的滤室，滑阀（⑦）运动，反冲洗压缩空气经过转阀中空气流道（⑧）进入上方滤室并促使液体反向流过滤芯，将粘接在滤网外面上的污物冲洗掉，从打开的排污口（⑨）排出。
经过短时间的反冲洗，滑阀复位，排污口和反冲洗空气进口关闭。经反冲洗而排空的滤室重新补液并等待下一周期反冲洗。
此型号滤器还配备有加热腔（⑩），可在过滤重燃油的同时，让蒸汽或热油流过加热腔，对滤器内部起保温功能。Normal filtering state:
Liquid enters the filter at the bottom inlet (1), flows through the shell (2), and enters the filter element from the outside to the inside (3). Impurities larger than the specified filtering accuracy are retained by the filter mesh, and clean liquid after filtering flows out from the upper outlet of the filter (4).
Backwash state:
As the working time of the filter increases, more and more impurities are trapped on the filter element, causing the pressure difference between the inlet and outlet of the filter to continue to rise. When the pressure difference reaches a certain specific value, the pressure difference transmitter sends a signal, turning on the decelerating motor (5), and the rotary valve (6) transfers from the standby filter chamber to the filter chamber that needs to be cleaned. The slide valve (7) moves, and compressed air flows through the air passage in the rotary valve (8) into the upper filter chamber and urges the liquid to flow reversely through the filter element, flushing off the dirt adhering to the outside of the filter mesh and discharging it from the open drain port (9).
After a short period of backwash, the slide valve returns to its original position, closing the drain port and backwash air inlet. The filter chamber that has been emptied due to backwash is refilled with liquid and waits for the next backwash cycle.
This model of filter is also equipped with a heating chamber (10), which can be used to heat the filter interior while filtering heavy fuel oil by allowing steam or hot oil to flow through the heating chamber, providing insulation for the filter.
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