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Greenhouse vapor condensing irrigation system based on radiation refrigerating principle

A greenhouse and radiant cooling technology, which is applied in greenhouse cultivation, water supply devices, drinking water devices, etc., can solve the problems of difficulty in popularization and use, complicated technical process, and high investment cost, so as to improve water utilization rate and utilization efficiency, realize The method is simple and the effect of saving energy

Pending Publication Date: 2019-08-27
SICHUAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

In addition, most of these technologies have the characteristics of high investment costs, complex technical processes, and low implementation efficiency, which are very difficult to promote and use

Method used

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  • Greenhouse vapor condensing irrigation system based on radiation refrigerating principle
  • Greenhouse vapor condensing irrigation system based on radiation refrigerating principle
  • Greenhouse vapor condensing irrigation system based on radiation refrigerating principle

Examples

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Effect test

Embodiment 1

[0028] Such as figure 1 or figure 2 As shown, a greenhouse water vapor condensation irrigation system based on the principle of radiative cooling includes a greenhouse 1, a water vapor condensation device 3, a fan 8, a power supply device and an irrigation device, and crops 2 are planted on the ground in the greenhouse 1, The water vapor condensation device 3 is installed in the greenhouse, the power supply device is electrically connected to the fan 8, the air outlet of the fan 8 is connected to the inlet of the water vapor condensation device 3, and the outlet of the water vapor condensation device 3 is connected to the irrigation device. The greenhouse 1 provides an airtight environment, which can efficiently gather humid and hot water vapor. The temperature of humid and hot water vapor emitted by greenhouse crops can be reduced by means of low-temperature substances (soil in summer, air or liquid water in winter, etc.).

[0029] Further, as image 3 and Figure 4 As s...

Embodiment 2

[0038] A greenhouse water vapor condensation irrigation system based on the principle of radiative cooling, comprising a greenhouse 1, a water vapor condensation device 3, a fan 8, a power supply device, and an irrigation device, wherein crops 2 are planted on the ground in the greenhouse 1, and the water vapor The condensing device 3 is installed in the greenhouse, the power supply device is electrically connected to the fan 8, the air outlet of the fan 8 is connected to the inlet of the water vapor condensing device 3, and the outlet of the water vapor condensing device 3 is connected to the irrigation device. The greenhouse 1 provides an airtight environment, which can efficiently gather humid and hot water vapor. The temperature of humid and hot water vapor emitted by greenhouse crops can be reduced by means of low-temperature substances (soil in summer, air or liquid water in winter, etc.).

[0039] Further, the water vapor condensation device 3 includes a hydrophilic rai...

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Abstract

The invention relates to a greenhouse vapor condensing irrigation system based on a radiation refrigerating principle. There are two embodiments suitable for different circumstances. The system comprises a greenhouse, a vapor condensing device, a fan, a power supply device and an irrigation device, crops are planted on the ground in the greenhouse, the vapor condensing device is mounted in the greenhouse or below a crop root system soil layer, the power supply device is electrically connected with the fan, an air outlet of the fan is connected with an inlet of the vapor condensing device, andan outlet of the vapor condensing device is communicated with the irrigation device. The system has the advantages that aiming at the problem of water-saving irrigation of the greenhouse, the radiation refrigerating principle is adopted to create a low-temperature environment, and condensed vapor is stored for utilization, so that the objectives of economically recycling water resources in an environment-friendly manner and effectively increasing water resource utilization rate are achieved; the vapor condensing device depends on radiation refrigerating, thereby being free of energy consumption and pollution and conforming to a concept of low-carbon sustainable development.

Description

technical field [0001] The invention relates to the technical field of water-saving irrigation, in particular to a water vapor condensation irrigation system for greenhouses based on the principle of radiation refrigeration. Background technique [0002] The current shortage of agricultural water in our country is obvious. At present, the ways to save and use water resources reasonably are mainly technologies and methods such as engineering water saving, biological water saving, agronomic water saving and management water saving. Implementation of these technologies and methods. It has greatly improved the utilization efficiency of the world's water resources. But these are mostly limited to improving water use efficiency and efficiency by reducing water input and expenditure losses in crop production systems. How to recover crop evapotranspiration in situ has never been systematically considered. Achieve water recycling. In addition, most of these technologies have the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): A01G9/24B32B3/30B32B9/02B32B9/04B32B27/08B32B27/12B32B27/32B32B33/00E03B3/28
CPCA01G9/247E03B3/28B32B5/18B32B9/045B32B27/08B32B27/12B32B27/322B32B27/32B32B3/30B32B33/00B32B2262/062Y02A40/25
Inventor 崔宁博唐凡赵璐姜守政冯禹
Owner SICHUAN UNIV
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