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CN-113396810-A - Fog cultivation is planted with reliquefaction liquid manure reutilization system

CN113396810ACN 113396810 ACN113396810 ACN 113396810ACN-113396810-A

Abstract

The invention provides a reliquefied liquid manure secondary utilization system for aeroponic cultivation, which comprises a reliquefied liquid manure recovery device (1) and a reliquefied liquid manure treatment device (2); the reliquefied liquid manure recovery device (1) comprises a reliquefied liquid manure conveying element (11), a reliquefied liquid manure collecting element (12) and a filtering element (13), wherein the reliquefied liquid manure conveying element is laid at the bottom of the planting device (3) and is provided with a reliquefied liquid manure conveying channel (14); the reliquefied liquid manure treatment device (2) comprises a disinfection element (22) and a control element (21), wherein the disinfection element (22) is arranged in the reliquefied liquid manure collecting element (12) or on the wall of the reliquefied liquid manure collecting element (12). The system can more effectively recover the reliquefied liquid manure, so that the utilization rate of the liquid manure is improved to a great extent, and the recovery rate of the reliquefied liquid manure is very high.

Inventors

  • YANG LIANCHENG

Assignees

  • BEIJING ZHONGNONG JUNJING TECH CO LTD

Dates

Publication Date
20210917
Application Date
20210615
Priority Date
20210615

Claims (10)

  1. 1. A reliquefied water and fertilizer secondary utilization system (A) for aeroponic cultivation is characterized by comprising a reliquefied water and fertilizer recovery device (1) and a reliquefied water and fertilizer treatment device (2); the reliquefied liquid manure recovery device (1) comprises a reliquefied liquid manure conveying element (11), a reliquefied liquid manure collecting element (12) and a filtering element (13), wherein the reliquefied liquid manure conveying element is laid at the bottom of the planting device (3) and is provided with a reliquefied liquid manure conveying channel (14), and the filtering element (13) is arranged between the reliquefied liquid manure conveying element (11) and the reliquefied liquid manure collecting element (12); the reliquefied liquid manure treatment device (2) comprises a disinfection element (22) and a control element (21), wherein the disinfection element (22) is arranged in the reliquefied liquid manure collecting element (12) or on the wall of the reliquefied liquid manure collecting element (12), and the control element (21) is used for controlling the opening and closing of the disinfection element (22) and the disinfection time.
  2. 2. The fog-culture planting reliquefied liquid manure secondary utilization system (A) as claimed in claim 1, wherein the surface of the reliquefied liquid manure delivery element is entirely an inclined surface inclined toward the reliquefied liquid manure delivery passage.
  3. 3. The fog culture planting reliquefied water and fertilizer secondary utilization system (A) as claimed in claim 1, wherein the reliquefied water and fertilizer channel (14) is a downward concave structure formed by the reliquefied water and fertilizer conveying element; preferably, the cross section of the downward sunken structure is one or more of an arc shape, a U shape or a V shape.
  4. 4. The fog culture planting reliquefied water and fertilizer secondary utilization system (A) as claimed in claim 1, wherein the reliquefied water and fertilizer delivery element (11) is a waterproof element; preferably, the waterproof element is a waterproof cloth and/or a geotextile composite membrane.
  5. 5. The fog culture planting reliquefied water and fertilizer secondary utilization system (A) as claimed in claim 1, wherein the filter element (13) is one or more of a screen, a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, a pervaporation membrane and an ion exchange membrane.
  6. 6. The fog culture planting reliquefied water and fertilizer secondary utilization system (A) as claimed in claim 1, wherein the reliquefied water and fertilizer collecting element (12) is one or more of a reliquefied water and fertilizer collecting pool, a reliquefied water and fertilizer collecting bucket and a reliquefied water and fertilizer collecting bag.
  7. 7. The fog culture planting reliquefied water and fertilizer secondary utilization system (A) as claimed in claim 1, wherein the disinfection element (22) is one or more of an ultraviolet disinfection element, an ionizing radiation disinfection element, and a heat disinfection element; preferably, the ultraviolet disinfection element is one or more of a low pressure ultraviolet lamp, a medium pressure ultraviolet lamp and a high pressure ultraviolet lamp.
  8. 8. The reliquefied water and fertilizer secondary utilization system (A) for aeroponic planting according to claim 1, wherein the reliquefied water and fertilizer processing apparatus (2) further comprises a water level detection element (23), the water level detection element (23) is disposed in the reliquefied water and fertilizer collection element (12), the water level detection element (23) is electrically connected with the control element (21), and the control element (21) can control the opening and closing of the disinfection element (22) according to data detected by the water level detection element (23).
  9. 9. The reliquefied water and fertilizer secondary utilization system (a) for aeroponic cultivation according to claim 1, wherein said reliquefied water and fertilizer processing apparatus (2) further comprises a fungus detection element (24), said fungus detection element (24) is provided in said reliquefied water and fertilizer collection element (12), said fungus detection element (24) is electrically connected to said control element (21), and said control element (21) is capable of controlling the opening and closing of said disinfection element (22) according to data detected by said fungus detection element (24).
  10. 10. The reliquefied water and fertilizer secondary utilization system (a) for aeroponic cultivation as claimed in claim 9, wherein the fungus detection element (24) is one or more of a bioelectrode sensor, a semiconductor biosensor, a photo-biosensor, a thermal biosensor, and a piezoelectric crystal biosensor.

Description

Fog cultivation is planted with reliquefaction liquid manure reutilization system Technical Field The invention relates to the technical field of aeroponic cultivation, in particular to a reliquefied water and fertilizer secondary utilization system for aeroponic cultivation. Background Aerosol culture, called aeroponic culture for short, is a novel culture mode, and is a soilless culture technology which utilizes a spraying device to atomize nutrient solution into small fog drops and directly sprays the small fog drops to plant roots to provide water and nutrients required by plant growth. The method can increase the crop yield by times, is an agricultural high and new technology for cultivating plants without soil or substrates, replaces the soil environment with the artificial creation of the crop root system environment, can effectively solve the contradiction of water, air and nutrient supply which is difficult to solve in the traditional soil cultivation, enables the crop root system to be in the optimum environment condition, thereby exerting the growth potential of the crops and greatly improving the plant growth amount and biomass. In the existing fog cultivation planting technology, water and fertilizer which is not absorbed by plants and is liquefied again cannot be recycled, so that a large amount of water and fertilizer is wasted, and the fog cultivation planting cost is additionally increased. How to more effectively utilize the reliquefied liquid manure and improve the utilization rate of the liquid manure is a problem to be urgently solved by the technology in the field. Disclosure of Invention The invention provides a secondary utilization system of reliquefied liquid manure for aeroponics planting, which can more effectively recover the reliquefied liquid manure, greatly improve the utilization rate of the liquid manure, has high recovery rate of the reliquefied liquid manure and greatly saves the aeroponics planting cost. In order to achieve the purpose, the invention adopts the technical scheme that The invention provides a reliquefied liquid manure secondary utilization system for aeroponic cultivation, which comprises a reliquefied liquid manure recovery device and a reliquefied liquid manure treatment device; the reliquefied liquid manure recovery device comprises a reliquefied liquid manure conveying element, a reliquefied liquid manure collecting element and a filtering element, wherein the reliquefied liquid manure conveying element is laid at the bottom of the planting device and is provided with a reliquefied liquid manure conveying channel, and the filtering element is arranged between the reliquefied liquid manure conveying element and the reliquefied liquid manure collecting element; the reliquefied liquid manure processing apparatus comprises a disinfecting element and a control element, wherein the disinfecting element is arranged in the reliquefied liquid manure collecting element or on the wall of the reliquefied liquid manure collecting element, and the control element is used for controlling the opening and closing of the disinfecting element and the disinfecting time. Furthermore, the surface of the reliquefied liquid manure conveying element is integrally an inclined surface inclined towards the reliquefied liquid manure conveying channel. Further, the reliquefied liquid manure channel is a downward concave structure formed by the reliquefied liquid manure conveying element. Further, the cross section of the downward sunken structure is one or more of an arc shape, a U shape or a V shape. Further, the reliquefied liquid manure conveying element is a waterproof element. Further, the waterproof element is a waterproof cloth and/or a geotextile composite film. Furthermore, the filtering element is one or more of a screen mesh, a microfiltration membrane, an ultrafiltration membrane, a nanofiltration membrane, a reverse osmosis membrane, a pervaporation membrane and an ion exchange membrane. Further, the reliquefied liquid manure collecting element is one or more of a reliquefied liquid manure collecting pool, a reliquefied liquid manure collecting barrel and a reliquefied liquid manure collecting bag. Further, the disinfecting element is one or more of an ultraviolet disinfecting element, an ionizing radiation disinfecting element and a heat disinfecting element; the ultraviolet disinfection element is one or more of a low-pressure ultraviolet lamp, a medium-pressure ultraviolet lamp and a high-pressure ultraviolet lamp. Furthermore, the reliquefied liquid manure processing apparatus further comprises a water level detection element, the water level detection element is arranged in the reliquefied liquid manure collection element, the water level detection element is electrically connected with the control element, and the control element can control the opening and closing of the disinfection element according to data detected by the water level detection element. Furthe