当RO雷火平台（中国）股份有限公司官网设备遇到极低温环境的外部因素，RO雷火平台（中国）股份有限公司官网设备在低温环境下如何运行才能发挥其雷火平台（中国）股份有限公司官网性能的更大出水量呢?下面雷火平台（中国）股份有限公司官网小编为您详细介绍下解决方案：
The internal problems and solutions of RO reverse osmosis equipment are shared in the front. Then when RO reverse osmosis equipment encounters exterior factors of extremely low temperature environment, how can RO reverse osmosis equipment operate in low temperature environment to give full play to its reverse osmosis performance?
提高原水水温：
Raise the water temperature of raw water:
这是一个简单粗暴的方法，雷火平台（中国）股份有限公司官网知道低温下水易结冰膨胀，对设备造成破裂等潜在威胁。那么就将进水温度升高，一个非常直接的方法，常见的升温方式有：用板式换热器在管道加热或是使用蒸汽盘管在预处理水箱处加热。此种方式常用于设备安装区域有热源的情况。
This is a simple and crude method, we know that low-temperature water is easy to freeze and expand, causing potential threats such as equipment rupture. It is a very direct way to raise the temperature of the incoming water. The common ways of raising the temperature are: heating in the pipe with plate heat exchanger or heating in the pretreatment tank with steam coil. This method is often used in equipment installation area where there is heat source.
通过提高系统操作压力来弥补系统产水的不足：
By increasing the operating pressure of the system, the shortage of water production can be remedied.
在雷火平台（中国）股份有限公司官网膜系统中的水通量取决与操作压力的大小，成正比关系。所以可以在水温较低的情况下通过升高操作压力提升产水量。可以选择使用变频泵达到在不同温度下的出力平衡。
The water flux in reverse osmosis membrane system is proportional to the operating pressure. Therefore, the water yield can be increased by increasing the operating pressure in the case of low water temperature. Frequency conversion pump can be used to achieve output balance at different temperatures.
使用变频泵优点：节能、增加系统操作弹性及系统软启动等。
Advantages of using frequency conversion pump: energy saving, increasing system operation flexibility and soft start of the system, etc.
使用低压(大通量)RO膜元件：
Using low pressure (high flux) RO membrane elements:
经常使用二种方法势必会增加系统的能耗，雷火平台（中国）股份有限公司官网也可以选用三种方案，即用大通量的低压雷火平台（中国）股份有限公司官网膜元件减低系统操作压力，这样可以避免雷火平台（中国）股份有限公司官网系统长期在超高压甚至是极限压力下运行。
Frequent use of two methods will inevitably increase the energy consumption of the system, we can also choose three options, that is, using large flux of low-pressure reverse osmosis membrane components to reduce the operating pressure of the system, so as to avoid long-term operation of the reverse osmosis system under ultra-high pressure or even extreme pressure.
值得注意的是RO系统的设计应该综合考虑系统运行的温度范围，在充分考虑低温因素的同时也应该注意到在高温情况下系统性能的变化，如：很多系统在夏季由于水温的升高会出现膜通量(系统出力)增大，脱盐率下降等现象。此时则应该根据终端用户对产水水量和水质的要求对系统做出调整，如：某些大型海水淡化系统为保证在夏季高温时任然获得高的产水水质，选择屏蔽掉一部分膜组件运行等。
It is noteworthy that the design of RO system should take into account the temperature range of system operation, and the changes of system performance at high temperature should also be taken into account when considering the low temperature factors. For example, the membrane flux (system output) of many systems will increase and the desalination rate will decrease due to the increase of water temperature in summer. At this time, the system should be adjusted according to the requirement of end-users for water quality and quantity. For example, some large-scale desalination systems choose to shield part of the membrane module to ensure high water quality at high temperature in summer.
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