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    濾液反水量是造成脫硫係統進水量大的主要原因

    脫硫係統水平衡是指進入脫硫係統的所有水量（包括原煙氣帶水、設備衝洗水、除霧器衝洗水、供漿漿液所含水等）等於脫硫係統水損失量。運行中控製脫硫係統水平衡主要根據係統水損失量來控製進入係統的水量使兩者保持動態平衡，即在總進水量等於總損失量的前提下通過控製進入係統的其他水量。脫硫係統一般可以保證吸收塔的正常液位，但當吸收塔入口煙氣溫度大幅下降，吸收塔內漿液蒸發量降低，吸收塔液位處於高液位，水平衡失衡現象時有發生。為了弄清失衡原因，首先就要了解影響濕法脫硫吸收塔水平衡的因素，下麵蜜桃免费在线视频就來一起分析下。

    The water balance of the desulfurization system refers to that all the water entering the desulfurization system (including the water carried by the original flue gas, equipment flushing water, mist eliminator flushing water, water contained in the slurry supply, etc.) is equal to the water loss of the desulfurization system. Controlling the water balance of desulfurization system during operation mainly controls the amount of water entering the system according to the water loss of the system, so as to maintain the dynamic balance between the two, that is, controlling other water entering the system on the premise that the total water inflow is equal to the total loss. The desulfurization system can generally ensure the normal liquid level of the absorption tower, but when the flue gas temperature at the inlet of the absorption tower drops sharply, the slurry evaporation in the absorption tower decreases, the liquid level of the absorption tower is at a high level, and the water balance imbalance occurs from time to time. In order to understand the reasons for the imbalance, we must first understand the factors affecting the water balance of wet desulfurization absorber. Let's analyze it together.
    一、影響濕法脫硫吸收塔水平衡的因素
    1、 Factors affecting water balance of wet desulfurization absorber
    1、燃煤硫分
    1. Sulfur in coal
    當燃煤的收到基硫分增加時，二氧化硫的質量濃度就會增加，參與反應的物料增加，即石灰石漿液量大，整個脫硫係統的各用水點的耗水量上升，故整個脫硫係統整體耗水量增加。
    When the received base sulfur content of coal increases, the mass concentration of sulfur dioxide will increase and the materials involved in the reaction will increase, that is, the amount of limestone slurry is large, and the water consumption of each water point of the whole desulfurization system will increase, so the overall water consumption of the whole desulfurization system will increase.
    2、石膏脫水
    2. Gypsum dehydration
    石膏脫水時，濾液返回水由旋流器返回水、皮帶脫水機濾布衝洗水、密封水、氣液分離器排水、真空泵冷卻水匯集濾液箱後返回脫硫係統。而排出水量隻有到廢水處理的脫硫廢水(排入脫硫廢水量低於設計處理量12t/h)。濾液返回水量進脫硫係統後將使脫硫係統的水平衡破壞，造成脫硫係統液位上漲。
    During gypsum dehydration, the filtrate return water is collected by the cyclone return water, belt dehydrator filter cloth washing water, sealing water, gas-liquid separator drainage and vacuum pump cooling water into the filtrate tank and then returned to the desulfurization system. However, the amount of discharged water is only the desulfurization wastewater treated by wastewater (the amount of discharged desulfurization wastewater is 12t / h lower than the design treatment capacity). After the filtrate return water enters the desulfurization system, the water balance of the desulfurization system will be destroyed, resulting in the rise of the liquid level of the desulfurization system.
    3、濾液反水量
    3. Filtrate backwash
    發現脫硫係統進水量大於排出量(蒸發量)其中濾液反水量是造成脫硫係統進水量大的主要原因。
    It is found that the water inflow of the desulfurization system is greater than the discharge (evaporation), and the filtrate backwash is the main reason for the large water inflow of the desulfurization system.
    4、吸收塔出口煙溫
    4. Flue gas temperature at the outlet of absorption tower
    吸收塔出口煙溫決定了吸收塔出口煙氣攜帶氣態水的能力即煙氣的含濕量。若原煙氣參數不變，吸收塔出口煙溫發生變化時，脫硫係統的耗水量會有很大變化。從這些影響因素可以看出幾點吸收塔水平衡失衡的原因，下麵蜜桃免费在线视频來具體分析下。
    The flue gas temperature at the outlet of the absorber determines the ability of the flue gas at the outlet of the absorber to carry gaseous water, that is, the moisture content of the flue gas. If the original flue gas parameters remain unchanged and the flue gas temperature at the outlet of the absorption tower changes, the water consumption of the desulfurization system will change greatly. From these influencing factors, we can see the reasons for the imbalance of water balance in the absorption tower. Let's analyze it in detail.
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    The wonderful content of this paper consists of wet desulfurization http://www.oagood.com Provide knowledge. There are many wonderful contents on this website. You can click to enter more contents: we have special customer service to answer your questions

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