蜜桃视频中文字幕提純有很關鍵的一步，就是蜜桃视频中文字幕除濕。蜜桃视频中文字幕除濕有多種實現方法，主要包括升溫除濕、冷凝除濕、吸附除濕、吸收除濕、膜法除濕等。
Biogas dehumidification is a key step in biogas purification. There are many ways to dehumidify biogas, including heating dehumidification, condensation dehumidification, adsorption dehumidification, absorption dehumidification and membrane dehumidification.
在上述方法中，升溫除濕是通過加熱氣體使其相對濕度降低，通過控製溫度來實現相對濕度的控製。對蜜桃视频中文字幕加熱升溫，蜜桃视频中文字幕的相對濕度隨著溫度的升高而降低，盡管這種方法並不能真正減少蜜桃视频中文字幕中的水蒸氣的含量，即蜜桃视频中文字幕中含濕量是不變的，但可以有效避免液態水的形成。
In the above methods, heating and dehumidification is to reduce the relative humidity by heating the gas, and control the temperature to achieve the control of the relative humidity. For the heating of biogas, the relative humidity of biogas decreases with the increase of temperature. Although this method can not really reduce the content of water vapor in biogas, that is, the moisture content of biogas is unchanged, it can effectively avoid the formation of liquid water.
冷凝除濕是利用製冷係統提供的冷媒把蜜桃视频中文字幕溫度降低到其露點溫度以下，使蜜桃视频中文字幕中的水蒸氣凝結出來，而凝結熱被製冷設備帶走，達到減少蜜桃视频中文字幕含濕量的目的。冷卻除濕是將濕蜜桃视频中文字幕流經低溫表麵使蜜桃视频中文字幕冷卻到露點溫度以下，從而將濕蜜桃视频中文字幕中水蒸氣去除的方法。由於用冷凍機進行冷卻，所以又稱冷凍除濕。它是目前比較常用的除濕方法。由於常常需要再加熱，冷卻除濕的能耗較高。
Condensation dehumidification is to use refrigerant provided by refrigeration system to reduce the temperature of biogas below its dew point, so that the steam in biogas condenses out, and the condensation heat is taken away by refrigeration equipment, so as to reduce the moisture content of biogas. Cooling dehumidification is a method of removing water vapor from wet methane by cooling it below dew point temperature through low temperature surface. Because it is cooled by a refrigerator, it is also called freezing dehumidification. It is a commonly used dehumidification method at present. The energy consumption of cooling and dehumidification is high because of the need for reheating.
吸附除濕是指利用吸附劑（如矽膠、鋁膠、分子篩等）對水分子的極性吸附作用而將蜜桃视频中文字幕中的水分降低到一定的含量。吸附是一個複雜的物質轉移過程，分為化學吸附和物理吸附。物理吸附是指被吸附的物質與吸附劑之間的吸附力是由範德華力產生的，將被吸附物質的分子吸附到吸附劑表麵或分子晶格之間，吸附過程中不發生任何化學反應，吸附具有可逆性；化學吸附是指被吸附的物質與吸附劑之間的吸附力是由化學鍵力產生的，吸附後吸附劑的化學性質發生了變化，吸附具有不可逆性。在吸附除濕中吸附劑以物理吸附為主，適用於相對濕度較低的蜜桃视频中文字幕除濕，可使露點達到-40℃以下，因此該方法多用於除濕幹燥處理中。
Adsorption dehumidification refers to the use of adsorbents (such as silica gel, aluminium gel, molecular sieve, etc.) to adsorb water molecules POLARLY and reduce the moisture content of biogas to a certain level. Adsorption is a complex material transfer process, which is divided into chemical adsorption and physical adsorption. Physical adsorption means that the adsorption force between adsorbed substances and adsorbents is generated by van der Waals force, and the molecules of adsorbed substances are adsorbed to the surface of adsorbents or between molecular lattices. No chemical reaction occurs during the adsorption process, and the adsorption is reversible. Chemical adsorption means that the adsorption force between adsorbed substances and adsorbents is generated by chemical bonding force, and then adsorbed. The chemical properties of adsorbents have changed and the adsorption is irreversible. Physical adsorption is the main adsorbent in adsorption dehumidification, which is suitable for biogas dehumidification with low relative humidity, and can make dew point below - 40 C. Therefore, this method is mostly used in dehumidification and drying treatment.
吸附除濕在實際應用中，多采用固定床除濕方式，即濕蜜桃视频中文字幕流經由固體吸附劑堆積而成的吸附床時，利用毛細管作用將水蒸氣吸附在固體吸濕劑上，蜜桃视频中文字幕中所含水量降低，從而達到除濕的目的。選擇適當吸附劑和操作流程，可將蜜桃视频中文字幕的濕度降得很低。吸附劑經再生後循環使用。這種方法用於濕度較小而除濕要求較高的場合。固體吸附床除濕不受露點溫度的影響而達到很低的濕度，在低溫低濕工況下除濕效率顯著高於其它除濕方式，並且結構簡單，維護方便，運行可靠。
In practical application, fixed bed dehumidification is often used, that is, when wet methane flow is accumulated by solid adsorbent, water vapor is adsorbed on solid adsorbent by capillary action, water content in methane is reduced, so as to achieve the purpose of dehumidification. The humidity of biogas can be reduced very low by choosing proper adsorbent and operation process. The adsorbent is recycled after regeneration. This method is used in the case of low humidity and high dehumidification requirement. Solid adsorbent dehumidification is not affected by dew point temperature and achieves very low humidity. Under low temperature and humidity conditions, the dehumidification efficiency is significantly higher than other dehumidification methods, and it has simple structure, convenient maintenance and reliable operation.
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2019-06-17
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