Device for concentrating and crystallizing by utilizing air moisture content difference
A technology for concentrating crystallization and air, which is applied in multi-stage water treatment, water/sewage treatment, water/sludge/sewage treatment, etc. It can solve the problem of high maintenance volume and maintenance cost, unstable and normal operation of equipment, affecting evaporation and crystallization. equipment and other problems, to achieve the effect of stable operation, preventing blockage and prolonging the fouling cycle
Pending Publication Date: 2021-01-08
陈浩 +1
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Problems solved by technology
The crystal nucleus adheres to the inner surface of the heat exchange tube (or surface) and scales, which will affect the efficiency of the heat exchanger in the slightest, and will block the heat exchange tube in severe cases, seriously affecting the normal operation of the evaporation and crystallization device. and maintenance costs are high
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[0020] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention.
[0021] refer to figure 1 , a device for concentrating crystallization using air humidity difference, including a circulation tank 7, further, one of the input ends of the circulation tank 7 is connected with a water inlet pump 1, and the water inlet pump 1 communicates with the circulation tank 7 through a guide tube, through The setting of water inlet pump 1 realizes the liquid inlet of circulation tank 7 .
[0022] Wherein, one of the output ends of the circulation tank 7 is connected with the heater 2, and further, one of the output ends of the circulation tank 7 is connected with one of the input ends of the heater 2 through the heating circulation pump 8, and th...
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The invention discloses a device for concentrating and crystallizing by utilizing air moisture difference, which is characterized by comprising a circulating tank, wherein one output end of the circulating tank is connected with a heater, and one output end of the heater is connected with a high-temperature evaporator. The device is reasonable in structural design, adopts a wide-runner heat exchanger, and is provided with a high-temperature concentration body and an agitating flexible filler in a matched manner, so that crystal nucleuses are not easily attached to the surfaces of the plates inthe heat exchange process, the heat exchange efficiency is maintained, and blockage is prevented; the heat exchange part is moved to the outside of the evaporation tower, and the high-temperature concentration body and the agitating flexible filler are arranged, so that the scaling period is greatly prolonged, and the evaporator operates more stably; for industrial wastewater with strong corrosivity, such as acid, alkali and the like, a high-molecular organic polymer is used as an equipment body, so that the corrosion problem can be effectively solved; due to the fact that the evaporation temperature is low, hot water of 80 DEG C can be used as a heat source in some environments where waste heat can be utilized, the operation cost is greatly reduced.
Description
technical field [0001] The invention relates to the technical field of crystallization equipment, in particular to a device for concentrating crystallization by using air humidity difference. Background technique [0002] Traditional evaporators, such as MVR and multi-effect evaporators, are often corroded and clogged when used in complex industrial wastewater. That is, traditional evaporators generally use plate or tube heat exchangers to heat wastewater. Due to the extremely complex substances in wastewater , Usually the content of scaling substances is very high, such as calcium, magnesium, silicon and other substances, which will form crystal nuclei after continuous evaporation and concentration during operation. The crystal nucleus adheres to the inner surface of the heat exchange tube (or surface) and scales, which will affect the efficiency of the heat exchanger in the slightest, and will block the heat exchange tube in severe cases, seriously affecting the normal ope...
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IPC IPC(8): C02F1/12
CPCC02F1/12C02F2301/08
Inventor 陈浩孙权
Owner 陈浩