Evaporator provided with blackout protection device
A power failure protection and evaporator technology, applied in vertical tube evaporators, evaporator accessories, evaporation, etc., can solve the problems of easy dry wall of materials, coking, and scrapped heat exchangers, and achieve the effect of avoiding dry walls.
Active Publication Date: 2012-08-08
上海神农节能环保科技股份有限公司
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Problems solved by technology
Once there is a sudden power failure, the material pump stops, the material no longer flows, and the steam temperature in the shell side is still high. At this time, the material on the inner wall of the heat exchange tube is easy to dry and coke, and in severe cases, the heat exchange tube will be blocked. lead to failure of the heat exchanger
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[0028] In order to make the technical means, creative features, goals and effects achieved by the present invention easy to understand, the present invention will be further described below in conjunction with specific diagrams.
[0029] refer to figure 1 , figure 2 , image 3 An evaporator equipped with a power failure protection device includes an evaporator body, the evaporator body includes a heat exchanger 1, a power supply module 2, the heat exchanger 1 includes a shell and heat exchange tubes arranged in the shell, and Including a power failure protection device, the power failure protection device includes an exhaust safety valve 3, the air inlet of the exhaust safety valve 3 communicates with the housing, and the air outlet of the exhaust safety valve 3 communicates with the outside of the housing. The control end of the exhaust safety valve 3 is connected to the power output end of the power supply module 2 through a signal processing module 4 . When the main bod...
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The invention relates to the processing field of chemical materials and food materials and the like, especially to an evaporator. The evaporator provided with a blackout protection device comprises an evaporator main body which contains a heat exchanger and a power supply module, the heat exchanger having a housing and a heat exchange tube arranged inside the housing, and a blackout protection device as well. The blackout protection device contains an exhaust safety valve, an air intake of which communicates with the housing and a gas outlet of which communicates with the external portion of the housing. A control terminal of the exhaust safety valve is connected with a power supply output terminal of the power supply module through a signal processing module. By the adoption of the above technical scheme, problems such as drywall, coking, blocking of the heat exchange tube and the like caused by blackout can be effectively avoided.
Description
technical field [0001] The invention relates to the technical field of processing chemical raw materials and food materials, and in particular to an evaporator. Background technique [0002] The evaporator heats the solution containing non-volatile solutes to boiling state through heat exchange, so that part of the solvent is vaporized and removed, thereby increasing the concentration of solutes in the solvent. [0003] The heating source of the evaporator is usually raw steam, and the temperature difference between the heating source and the material is large. Once a sudden power failure occurs, the material pump stops, the material no longer flows, and the steam temperature in the shell side is still high. At this time, the material on the inner wall of the heat exchange tube is easy to dry and coke, and in severe cases, the heat exchange tube will be blocked. lead to failure of the heat exchanger. Contents of the invention [0004] The object of the present invention ...
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IPC IPC(8): B01D1/30B01D1/22B01D1/12B01D9/02
Inventor 沈志平
Owner 上海神农节能环保科技股份有限公司