Equipment for collecting water from ambient air

Abstract

The present invention relates to the technical field of extracting water from air, in particular to equipment for collecting water from ambient air by using a solid absorbent. The equipment mainly comprises a moisture absorption unit, a heater and a condenser, wherein the moisture absorption unit is respectively communicated with the heater and the condenser, heat generated by the heater promotes air to circularly flow between the moisture absorption unit and the heating surface of the heater, circular airflow transmits the heat provided by the heater to the moisture absorption unit, the moisture absorption unit desorbs to produce water vapor, and then the water vapor is condensed in the condenser into liquid water. The equipment for collecting water from ambient air provided by the invention has a simple structure and can achieve a higher water yield.

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 E03B 3 / 28 (Water Intake Technology – Moisturized Air as Water Source). In particular, air water extraction technology using solid hygroscopic agents ha...

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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