Low-temperature rectification device
A technology of low-temperature rectification and rectification tower, which is applied in the direction of distillation and separation, chemical instruments and methods, and separation methods, which can solve the problems of energy waste and power consumption, and achieve the effects of cost reduction, energy saving, and simple equipment
Active Publication Date: 2015-03-04
南大光电(淄博)有限公司
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Problems solved by technology
However, the gaseous stream of the rectification tower contains a large amount of heat. If conventional methods are used, the heat will all be indirectly discharged into the atmosphere, and a certain amount of electric energy will be consumed in order to release these heat energy to the atmosphere. This has caused huge Energy waste, so a device that can be recycled is needed
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[0013] Such as figure 1 The low-temperature rectification device includes a rectification tower 1, the top of the rectification tower 1 is connected to the top of the condenser 3 through a pipeline 2-1, the upper part of the rectification tower 1 is connected to the lower end of the condenser 3 through a pipeline 2-6, and the lower end of the condenser 3 is set Distillate port 7, the upper side of the condenser 3 is connected to the absorption heat pump 4 through the pipeline 2-2, the lower side of the condenser 3 is connected to the upper part of the absorption heat pump 4 through the pipeline 2-8, and the bottom end of the absorption heat pump 4 passes through The pipeline 2-3 is connected to one side of the reboiler 5, and the lower side of the absorption heat pump 4 is connected to the top of the reboiler 5 through the pipeline 2-7. The lower part of the other side is connected to the lower end of the rectification tower 1 through the pipeline 2-4, the upper part of the ot...
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The invention relates to a low-temperature rectification device. The low-temperature rectification device comprises a rectification tower. The top of the rectification tower is connected to the top of a condenser by a pipe. An upper part of the rectification tower is connected to a lower end of the condenser by a pipe. The lower end of the condenser is provided with a distillate outlet. A side of an upper part of the condenser is connected to an absorption heat pump by a pipe and a side of a lower part of the condenser is connected to an upper part of the absorption heat pump by a pipe. The bottom end of the absorption heat pump is connected to a side of a reboiler by a pipe. A side of a lower part of the absorption heat pump is connected to the top of the reboiler by a pipe. The top of the reboiler is provided with a feeding inlet. A lower part of the other side of the reboiler is connected to a lower end of the rectification tower by a pipe and an upper part of the other side of the reboiler is connected to the middle of the rectification tower by a pipe. A lower end of the reboiler is provided with a residue outlet. The low-temperature rectification device comprises simple apparatuses and heat in the rectification tower can be recycled so that recycle is realized and energy is saved and a cost is reduced.
Description
technical field [0001] The invention relates to a rectification device, in particular to a low-temperature rectification device. Background technique [0002] In modern society, people pay more and more attention to environmental protection and energy reuse, but in the chemical distillation operation, the gas phase of the distillation tower generally uses cooling water to condense the gas phase at the top of the tower, and the heat in the gas phase is taken away by the circulating cooling water , and then use the cooling fan to release the heat in the circulating cooling water to the atmosphere, thereby reducing the temperature of the circulating water. However, the gaseous stream of the rectification tower contains a large amount of heat. If conventional methods are used, the heat will all be indirectly discharged into the atmosphere, and a certain amount of electric energy will be consumed in order to release these heat energy to the atmosphere. This has caused huge Energ...
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IPC IPC(8): B01D3/00
Inventor 张立平刘振凯于振卿孙丰收刘树涛
Owner 南大光电(淄博)有限公司