Low-temperature multiple-effect heat pipe type evaporator

A technology of heat pipe and evaporator, applied in the field of low-temperature multi-effect heat pipe evaporator, which can solve the problems of large heat transfer end difference, low efficiency, low heat transfer coefficient, etc., and achieve high operating flexibility and high energy utilization rate , good water quality

Inactive Publication Date: 2012-11-07
国能朗新明环保科技有限公司
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Problems solved by technology

However, the traditional low-temperature multi-effect evaporator has a relatively large difference in heat transfer...

Method used

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  • Low-temperature multiple-effect heat pipe type evaporator

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Embodiment Construction

[0029] The present invention will be further described in detail below in conjunction with examples, but the embodiments of the present invention are not limited thereto.

[0030] figure 1 A schematic structural view of a low-temperature multi-effect heat pipe evaporator according to an embodiment of the present invention is shown. refer to figure 1 An embodiment of a low-temperature multi-effect heat pipe evaporator shown includes a casing (106), and a plurality of heat pipes (101) arranged at intervals are arranged inside the casing (106). The thermal performance can ensure safe operation at a low temperature to improve efficiency and energy efficiency; a spray system (105) is arranged above the plurality of heat pipes (101) arranged at intervals, and the spray system (105) is connected to the seawater inlet (107) connection, the housing (106) is provided with a steam inlet (108), a concentrated water outlet (109), a vacuum port (110) and two steam outlets (111).

[0031]...

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Abstract

The invention discloses a low-temperature multiple-effect heat pipe type evaporator which comprises a casing. A plurality of heat pipes which are arranged at intervals are arranged in the casing, a spray system is arranged above the heat pipes which are arranged at intervals, the spray system is connected with a seawater inlet, and at least one steam inlet, at least one strong water port, at least one vacuumizing port and at least one steam outlet are arranged on the casing. By means of use of the low-temperature multiple-effect heat pipe type evaporator and a sea water desalinization system of the low-temperature multiple-effect heat pipe type evaporator, characters of the heat pipes can be effectively used, heat transfer efficiency is improved, and energy utilization rate of the sea water desalinization system is improved accordingly.

Description

technical field [0001] The invention relates to the technical field of seawater desalination, in particular to a low-temperature multi-effect heat pipe evaporator. Background technique [0002] Low-temperature multi-effect distillation refers to steam with a heat source below 70°C. It was applied to industrial seawater desalination systems around 1981. It is characterized by connecting a series of horizontal tube spray falling film evaporators in series, using a certain amount of steam The input passes through multiple evaporation and condensation, and the evaporation temperature of the latter effect is lower than that of the previous effect, so as to obtain distilled water that is multiple times the amount of steam. The main methods applied are as follows: [0003] (1) Multi-stage flash (MSF) distillation [0004] MSF is the most commonly used method for seawater desalination by distillation. Before the 1980s, most large-scale seawater desalination devices used MSF techno...

Claims

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Application Information

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IPC IPC(8): C02F1/04C02F103/08
CPCY02A20/124
Inventor 陈峰张宝林张世乾盛飞李京红杨志徐奎江贠在斌张志成官祎男
Owner 国能朗新明环保科技有限公司
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