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Seawater desalination system recovering latent heat of steam condensation

A technology of steam condensation and steam condenser, which is applied in the fields of seawater desalination and clean energy utilization, which can solve problems such as the recovery and utilization of steam condensation latent heat, and achieve the effects of improving energy conversion efficiency, avoiding energy waste, and improving energy utilization.

Active Publication Date: 2019-05-10
深圳润德工程有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

Not only that, the existing seawater desalination system hardly considers the recovery and utilization of the latent heat of steam condensation, and this part of energy is huge, so it is particularly important to design a seawater desalination system that can recover the latent heat of steam condensation

Method used

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  • Seawater desalination system recovering latent heat of steam condensation

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Embodiment Construction

[0028] The seawater desalination system for recovering latent heat of steam condensation involved in the present invention will be described in detail below with reference to the accompanying drawings.

[0029]

[0030] Such as figure 1 As shown, the seawater desalination system 10 for recovering the latent heat of steam condensation includes: a capillary-driven evaporation device 20 , secondary steam generators 30 and 40 , a fresh water discharge pipe 50 , and a fresh water collector (not shown in the figure).

[0031] The capillary-driven evaporation device 20 includes: a housing 21 , a capillary evaporation core 22 , and a vapor condenser 23 .

[0032] The housing 21 is made of POM plastic with a thermal conductivity lower than 0.3W / (m·K) and resistant to seawater corrosion. It has a good thermal insulation and sealing effect, and can effectively prevent heat loss and steam condensation. The shell 21 is divided into upper and lower cavities by the capillary evaporation c...

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Abstract

The invention provides a sea water desalination system for recycling steam condensation latent heat. The energy utilization rate and sea water desalination efficiency can be improved effectively. Thesea water desalination system is characterized by comprising a capillary driving evaporator, two secondary steam generators and a fresh water discharge pipe, wherein the capillary driving evaporator comprises a shell and a capillary evaporation core and a steam condenser which are positioned inside the shell, the capillary evaporation core is arranged at the middle part of the shell, the steam condenser is buried in the surface layer of the capillary evaporation core, the shell is divided into an upper cavity and a lower cavity through the capillary evaporation core, the cavity positioned at the lower part serves as a sea water compensation chamber, and the cavity positioned at the upper part serves as a steam chamber; each secondary team generator comprises a secondary steam storage cavity, a cold energy conveying pipeline and a waste heat conveying pipeline; the fresh water discharge pipe is connected with a drain port of the steam condenser, wherein each secondary steam generator has two modes, during working, the two secondary steam generators are in different working modes; and when saturation is reached, the working mode is switched.

Description

technical field [0001] The invention belongs to the field of seawater desalination and clean energy utilization, and in particular relates to a seawater desalination system which is complementary coupled with LNG cold energy and low-grade waste heat and can recover steam condensation latent heat. Background technique [0002] The severe shortage of clean fresh water resources has become one of the most common global problems. At present, some effective measures to solve the shortage of fresh water resources can only improve the use of existing fresh water, and have not increased fresh water resources. An effective way to increase fresh water resources The method is to desalinize seawater. In the past few decades, seawater desalination technology has been greatly developed, among which multiple-effect distillation, multi-stage flash evaporation and reverse osmosis have been applied on a large scale in engineering. However, the traditional seawater desalination technology req...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C02F1/04C02F1/16C02F103/08
CPCC02F1/04C02F1/043C02F1/16C02F2103/08C02F2201/002C02F2201/005C02F2301/063C02F2303/10Y02A20/124
Inventor 胡雪蛟黄璐裴俊先欧阳自强
Owner 深圳润德工程有限公司
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