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Apparatus of combined solar energy heat pump for desaltination of sea water

A technology of solar heat pump and solar collector, which is applied in seawater treatment, water/sewage treatment, general water supply saving, etc., can solve the problems of scale inhibition and other problems, achieve high energy utilization rate, high water production ratio, and improve fresh water yield effect

Inactive Publication Date: 2006-01-25
TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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Problems solved by technology

At the same time, when the seawater temperature exceeds 75°C, it will be very difficult to solve the problem of scale inhibition of the system

Method used

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  • Apparatus of combined solar energy heat pump for desaltination of sea water

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Embodiment 1

[0026] Solar heat pump combined with seawater desalination device, composed of solar heat collector 1, heat exchanger 2 and circulation pump 3 to form a solar heat collection cycle device; compressor 4, condenser 9, expansion valve 5, evaporator 6 evaporator 7, evaporator 8 and a heat pump system composed of a condenser 9; the heat exchanger 2 constitutes a flasher 10, the condenser 9 constitutes a flasher 11, and a baffle 12 and a baffle 13 are arranged between the flasher 10 and the flasher 11; The seawater pipelines, steam pipelines and vacuum pipelines of the flasher 10 and the flasher 11 are respectively connected with the seawater intake and concentrated seawater condensation pipelines, the freshwater pipelines and the vacuum pump 17 through the multi-effect distiller 14; the seawater condensation pipelines are connected through the evaporator 6 The concentrated seawater is discharged from the pump 16, and the fresh water pipeline is connected to the fresh water discharge...

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Abstract

A seawater desalinating system with solar heat pump is composed of the solar heat collecting and circulating unit consisting of solar heat collector, heat exchanger and circulating pump, the heat pump circulating unit consisting of compressor, condenser, expansion valve and evaporator, the flash evaporator consisting of heat exchanger and condenser, the seawater pipe, vapor pipe and vacuum pipe of flash evaporator are respectively connected via multi-effect distiller to seawater taking pipe, concentrated seawater condensing pipe, fresh water pipe and vacuum pipe, and the seawater condensing pipe and fresh water pipe are connected via evaporator to pump. Its advantages are high fresh water output and high utilization rate of energy.

Description

technical field [0001] The invention belongs to the technical field of seawater desalination, and in particular relates to a seawater desalination device organically combining solar heat collection, heat pump technology and low-temperature multi-effect distillation technology. Background technique [0002] At present, water resources are scarce, especially in islands and desert areas, although there are abundant seawater or brackish water resources, there is no fresh water for living or production. The energy crisis and the environmental pollution caused by the use of fossil energy have prompted the development and utilization of clean energy such as solar energy and wind energy. Access to needed fresh water at the lowest possible energy cost can contribute to sustainable human development. [0003] CN94113407.5 and CN01134409.1 disclose solar steaming seawater desalination devices, and CN0311698.3 discloses double-stage absorption compression high-temperature heat pump sea...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/14C02F103/08
CPCY02A20/124Y02A20/142Y02A20/212
Inventor 阮国岭赵河立苏润西
Owner TIANJIN SEA WATER DESALINATION & COMPLEX UTILIZATION INST STATE OCEANOGRAPHI
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