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Energy-saving double-cavity double-layer condensation evaporator for pure nitrogen equipment

A condensing evaporator and energy-saving technology, which is applied in the field of energy-saving double-chamber and double-layer condensing evaporators, can solve the problems of low liquid level, small heat transfer temperature difference of heat exchange units, mismatched diameters of rectifying towers, etc. cost, improve heat exchange efficiency, and the effect of wide adjustment range

Pending Publication Date: 2022-04-12
HANGZHOU HANGYANG
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  • Abstract
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Problems solved by technology

[0005] The invention provides an energy-saving condensing evaporator for pure nitrogen equipment, aiming to solve the problem that the heat transfer unit has a small heat transfer temperature difference and a low liquid level, resulting in a mismatch with the diameter of the rectification tower

Method used

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  • Energy-saving double-cavity double-layer condensation evaporator for pure nitrogen equipment

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Embodiment Construction

[0013] In order to make the object, technical solution and advantages of the present invention clearer, the following in conjunction with the attached figure 1 , the present invention is introduced in detail. The invention provides a technical solution: an energy-saving double-cavity double-layer condensation evaporator for pure nitrogen equipment, which includes an evaporator cylinder, and the evaporator cylinder is composed of upper and lower layers of independent evaporator cylinders. The first and second layers of evaporation cylinders are separated by a partition head, and the size and structure of the first evaporation cylinder and the second evaporation cylinder are the same, and the first evaporation cylinder and the second evaporation cylinder The corresponding positions inside the body are respectively equipped with liquid air evaporation outlet 1, liquid air inlet 3, nitrogen inlet 4, liquid discharge port 6, condensate outlet 15, non-condensable gas outlet 16, and ...

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Abstract

An energy-saving double-cavity double-layer condensation evaporator for pure nitrogen equipment comprises two independent heat exchange units, a first-layer evaporation barrel, a second-layer evaporation barrel, a gas inlet, a condensate outlet, a non-condensable gas outlet, a liquid inlet, a liquid steam outlet, a liquid discharge outlet, a separation seal head and a pressure equalizing pipe, and the heat exchange units are arranged in the first-layer evaporation barrel and the second-layer evaporation barrel respectively; the first-layer evaporation barrel body and the second-layer evaporation barrel body are separated by the separation sealing head; the pure nitrogen heat exchanger has the beneficial effects that the heat transfer efficiency is improved, the energy consumption is reduced, and the pure nitrogen heat exchanger is mainly applied to pure nitrogen equipment.

Description

technical field [0001] The invention relates to an energy-saving double-cavity double-layer condensation evaporator for pure nitrogen equipment, belonging to the field of partition wall heat exchange equipment. Background technique [0002] As a pure nitrogen equipment, the condensing evaporator is a process of separating nitrogen from the air by using the different physical properties of the components in the air. The heat exchange unit is a plate-fin type, and the hot and cold fluids in the two channels conduct good heat transfer through the fins and partitions. The condensing evaporator is generally placed at the top of the rectification tower, and the nitrogen rising from the rectification tower is condensed in the heat exchange unit, and the liquid air is evaporated in the heat exchange unit. Its important function is to perform heat exchange between liquid air and nitrogen. [0003] However, due to the different evaporation temperatures of oxygen, nitrogen and argon ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B01D3/32
Inventor 徐建忠王燕平柯璋阳朱平柳红霞
Owner HANGZHOU HANGYANG
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