Devices that collect water from ambient air

Abstract

The present invention relates to the technical field of air water intake, and more specifically relates to equipment for collecting water from ambient air using a solid hygroscopic agent. The condenser is arranged so that the heating of the heater promotes the gas to circulate between the moisture absorption unit and the heating surface of the heater, and the heat provided by the heater is transferred to the moisture absorption unit by the circulating air flow to make it desorb Water vapor is produced, which is then condensed into liquid water in the condenser. The device for collecting water from ambient air of the present invention has a simple structure and can achieve higher water production rate.

Description

technical field [0001] The present invention relates to the technical field of air water extraction, and more particularly to a device for collecting water from ambient air using a solid hygroscopic agent. Background technique [0002] Water scarcity is one of the problems faced by many regions. Therefore, researchers have explored various water intake technologies, including collecting moisture from humid air (Geng Haoqing et al., Research Progress in Air Water Intake Technology, Advances in Chemical Industry, 2011, No. 8; Luo Jijie et al., Research and Application of Air Water Intake Equipment for Field Operations , HVAC, 2004, Issue 4). These topics have achieved a lot of research results. For example, between 2008 and 2013, there were more than 300 Chinese patent publications belonging to the IPC classification number E03B3 / 28 (Water Intake Technology – Moisturized Air as Water Source). In particular, air water extraction technology using solid hygroscopic agents has ...

AI Technical Summary

Problems solved by technology

[0009] (1) Uneven heating: The surface of the moisture absorbent bed exposed to sunlight can be heated quickly, while the moisture absorbent not exposed to sunlight, especially the inside of the bed, heats up slowly, making it difficult to decompose and absorb water

[0010] (2) Low heating temperature: There is no insulation layer on the wall of the transparent container, and the heat loss by convection and conduction is relatively large. The moisture absorbent absorbs solar radiation energy and continuously loses heat to the outside world, so it is difficult for the moisture absorbent to reach a higher temperature.

[0011] (3) Water vapor reduces the transparency of the transparent container: due to the direct contact between the wall of the transparent container and the flowing air outside, the temperature of the wall is low, and the water vapor generated by the desorption of the hygroscopic agent sometimes condenses on the inner wall of the transparent container, reducing the transparency of the transparent container

[0012] (4) Solar radiation affects the structure and performance of the hygroscopic agent: when the hygroscopic agent is stacked in a transparent container and the air inside is not easy to circulate, long-term exposure to solar radiation may locally overheat the surface of the hygroscopic agent bed and destroy its microporous structure , leading to a decrease in hygroscopicity

However, where there is a lack of fresh water (for example, deserts, plateaus, islands, sea vessels, offshore installations, land field operations, garrison, rural and remote areas without water supply systems, droughts, other natural or unnatural disasters, etc.) It is also usually an occasion where there is a lack of power supply, and the air water intake equipment that needs electricity is generally unable to operate

The above-mentioned various reasons make the current air water intake technology only applied in individual occasions

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