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Multi-heat-source hot distilled water preparation device, system and method

A technology for preparing equipment and distilled water, applied in chemical instruments and methods, water/sewage treatment equipment, heating water/sewage treatment, etc., to achieve the effects of improving energy utilization efficiency, reducing transportation costs, and reducing costs

Active Publication Date: 2020-12-11
BEIJING QINGJIAN ENERGY TECH CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, the distillation method often only uses a high-grade heat source to heat seawater, while low-grade heat sources, such as exhaust steam from steam turbines, which are only about 40°C, cannot be effectively utilized.

Method used

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  • Multi-heat-source hot distilled water preparation device, system and method
  • Multi-heat-source hot distilled water preparation device, system and method
  • Multi-heat-source hot distilled water preparation device, system and method

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] figure 1 It is a structural schematic diagram of a thermal distilled water preparation device with multiple heat sources according to an embodiment of the present invention.

[0031] Such as figure 1 As shown, this embodiment provides a hot distilled water preparation device with multiple heat sources, including: a multi-stage distillation unit 1, and multiple stages of the distillation units 1 are connected in series or in parallel; wherein, the distillation unit 1 includes: raw material liquid Inlet 14, concentrated liquid outlet 15, and heat source inlet 16, the heat source inlet 16 of each stage of the distillation unit 1 is connected to heat sources of different temperature grades; regenerator 2, the regenerator 2 includes raw material liquid outlet 21 and The concentrated liquid inlet 22; the raw material liquid outlet 21 of the regenerator 2 communicates with the raw material liquid inlet 14 of the distillation unit 1, and the concentrated liquid inlet 22 of the...

Embodiment 2

[0044] figure 2 It is a structural schematic diagram of a thermal distilled water preparation device with multiple heat sources according to another embodiment of the present invention.

[0045] Such as figure 2 As shown, this embodiment provides a hot distilled water preparation device with multiple heat sources. Compared with Embodiment 1, the difference of this embodiment is:

[0046] The heat source outlet 113 of the Nth stage evaporator 11 in the distillation unit 1 communicates with the outlet of the Nth stage heater 12 . And the secondary steam outlet 111 of the evaporator 11 at the first stage in the distillation unit 1 communicates with the heat source inlet 16 of the evaporator 11 at the Nth stage in the distillation unit 1 at the previous stage. The steam generated by the M-th stage distillation unit 1 is mixed with the M-1-th stage heat source and enters the M-1-th stage distillation unit 1 as a heat source.

Embodiment 3

[0048] image 3 It is a structural schematic diagram of a thermal distilled water preparation device with multiple heat sources according to another embodiment of the present invention.

[0049] Such as image 3 As shown, this embodiment provides a hot distilled water preparation device with multiple heat sources. Compared with Embodiment 2, the difference of this embodiment is:

[0050] The secondary steam outlet 111 of the evaporator 11 of the first stage in the distillation unit 1 of the Mth stage communicates with the heat source inlet 16 of the distillation unit 1 of the M-1st stage. The steam generated by the distillation unit 1 of the Mth stage is used as a part of the heat source in the distillation unit 1 of the M-1st stage, and this part of the steam is condensed and exothermic in the distillation unit 1 of the M-1st stage as a condensed water sink Enter the hot distilled water pipeline of the M-1 stage distillation unit 1;

[0051] The M-1 heat source passes thro...

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Abstract

The invention discloses a multi-heat-source hot distilled water preparation device, system and method. The multi-heat-source hot distilled water preparation device comprises multiple stages of distillation units which are connected in series or in parallel, wherein each stage of distillation unit comprises a raw material liquid inlet, a concentrated liquid outlet and a heat source inlet, and the heat source inlet of each stage of distillation unit is correspondingly communicated with heat sources with different temperature grades. The device further comprises a heat regenerator which comprisesa raw material liquid outlet and a concentrated liquid inlet, the raw material liquid outlet of the heat regenerator is communicated with the raw material liquid inlets of the distillation units, andthe concentrated liquid inlet of the heat regenerator is communicated with the concentrated liquid outlets of the distillation units. According to the device, various heat sources with different temperature grades are comprehensively utilized, so that the energy utilization efficiency of distilled water preparation can be effectively improved, and the cost of purified water preparation is greatlyreduced.

Description

technical field [0001] The invention belongs to the technical field of distilled water preparation, and in particular relates to a multi-heat source hot distilled water preparation device, system and method. Background technique [0002] With the rapid development of my country's economy and society and the continuous advancement of urbanization, the shortage of water resources has become an important factor restricting the sustainable development of my country's society and economy. my country's per capita water resources are only a quarter of the world's per capita water resources, and China is one of the countries with the poorest per capita water resources in the world. Desalination of seawater is an effective means to increase the amount of water resources from the source, an important way and strategic choice to solve the shortage of water resources in my country, and an inevitable requirement to ensure national security and sustainable development. Seawater desalinat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C02F1/04
CPCC02F2201/007C02F1/04C02F2303/10
Inventor 付林张世钢魏茂林李自勇江亿
Owner BEIJING QINGJIAN ENERGY TECH CO LTD