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A two-effect plate distillation desalination device

A technology of distillation and desalination and two-effect evaporation, which is applied in the direction of general water supply saving, heating water/sewage treatment, seawater treatment, etc., can solve the problems of low efficiency, large equipment footprint, fixed installed capacity, etc., to reduce manufacturing costs, Convenience in construction and improvement of online running time

Inactive Publication Date: 2018-05-25
TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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Problems solved by technology

At present, the multi-effect distillation and desalination technology mostly adopts the shell-and-tube heat exchanger method. The traditional multi-effect distillation and desalination technology has relatively low efficiency, relatively fixed installed capacity, and large equipment footprint. The needs of development urgently need to be replaced by new equipment

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  • A two-effect plate distillation desalination device
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  • A two-effect plate distillation desalination device

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Embodiment Construction

[0038] The implementation of the present invention will be described in further detail below in conjunction with the accompanying drawings. The following embodiments are only descriptive, not restrictive, and cannot limit the protection scope of the present invention.

[0039] A two-effect plate distillation desalination device, such as figure 1As shown, it includes an elliptical cylindrical shell 5, and connecting flanges 2 are respectively made at the openings at the left and right ends of the shell, and the head-effect evaporator combination 28 of the evaporator is connected to the opening at the left end of the shell through the connecting flange. , the head condenser combination 12 is connected to the opening at the right end of the shell through a connecting flange, and a second-effect evaporator combination 9 is installed inside the shell, and the first-effect evaporator combination and the second-effect evaporator combination, and the second-effect evaporator A horizon...

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Abstract

The invention relates to a two-effect plate type distillation and desalination device. The device comprises a housing, wherein an end capped one-effect evaporator assembly and an end capped condenser assembly are arranged at the left and right ends of the housing through connecting flanges, respectively; a two-effect evaporator assembly is arranged in the housing; a horizontal baffle is arranged in a space between the one-effect evaporator assembly and the two-effect evaporator assembly, and another horizontal baffle is arranged in a space between the two-effect evaporator assembly and the condenser assembly, and the spaces are divided into two parts, namely, an upper part and a lower part, by the two horizontal baffles; effect-space vertical baffles are arranged on the two horizontal baffles, and effect spaces are separated by the effect-space vertical baffles; vapor liquid separators are arranged on the effect-space horizontal baffles, and communication of effect spaces is archived; plate sheet groups are arranged in the one-effect evaporator assembly, the two-effect evaporator assembly and the condenser assembly; raw material water falling film evaporation and vapor condensation are achieved in the plate sheet groups through opening change of a plate sheet sealing strip group. Plate type falling film distillation desalination is achieved; latent heat of vapor is subjected to multi-effect recycling; and the device provided by the invention has important significance for improving the distillation and desalination technology level and equipment capacity.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination and water treatment, in particular to a high-efficiency desalination device for realizing falling film evaporation of raw materials by using plate heat exchange fins, specifically a double-effect plate distillation and desalination device. Background technique [0002] my country's per capita water resources are low, and the distribution of time and space is uneven. About 2 / 3 of the cities in the country are short of water, and about 1 / 4 of them are seriously short of water, and most of the water-deficient cities are concentrated in densely populated and economically developed coastal areas. . The shortage of water resources has become one of the important factors restricting the sustainable development of my country's economy and society, and with the continuous acceleration of the industrialization process, the situation of water resource shortage will become more severe. Seawater ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/08C02F103/08
CPCC02F1/08C02F2103/08Y02A20/124
Inventor 谢春刚何文秀张令品孙靖苗超张仁涛郭超吕庆春王金燕邢玉雷
Owner TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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