CN114885815A - Fertilizer liquid recovery system and method based on tidal seedbed - Google Patents
Fertilizer liquid recovery system and method based on tidal seedbed Download PDFInfo
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- CN114885815A CN114885815A CN202210530986.8A CN202210530986A CN114885815A CN 114885815 A CN114885815 A CN 114885815A CN 202210530986 A CN202210530986 A CN 202210530986A CN 114885815 A CN114885815 A CN 114885815A
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
- A01G31/02—Special apparatus therefor
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- A—HUMAN NECESSITIES
- A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
- A01G—HORTICULTURE; CULTIVATION OF VEGETABLES, FLOWERS, RICE, FRUIT, VINES, HOPS OR SEAWEED; FORESTRY; WATERING
- A01G31/00—Soilless cultivation, e.g. hydroponics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P60/00—Technologies relating to agriculture, livestock or agroalimentary industries
- Y02P60/20—Reduction of greenhouse gas [GHG] emissions in agriculture, e.g. CO2
- Y02P60/21—Dinitrogen oxide [N2O], e.g. using aquaponics, hydroponics or efficiency measures
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Abstract
The application discloses a fertilizer solution recovery system and method based on a tidal seedbed. The system comprises a tidal seedbed, a recovery pond, an automatic water pumping device, a filter, a backwater water storage tank, a backwater sterilization and disinfection circulating device, a purified water storage tank and a fertilizer applicator. The method comprises the steps of setting a fertilizer liquid recovery system and controlling the recovery of the fertilizer liquid. According to the invention, the tide seedbed fertilizer liquid is filtered and then subjected to multiple disinfection and sterilization, and is continuously mixed with fertilizer for use, so that the problem of pest and disease damage transfer is effectively solved, the fertilizer is saved, meanwhile, the fertilizer pollution can be prevented, the automatic operation is recycled, the labor is reduced, and the method is green, low-carbon, environment-friendly and economical.
Description
Technical Field
The invention relates to the technical field of water recycling, in particular to a fertilizer solution recovery system and method based on a tidal seedbed.
Background
Tidal seedbed fertilizer solution recovery system does not basically exist in the existing market, some simple recovery ponds are adopted to recover and then field irrigation is also adopted, and the real fertilizer solution recovery and cyclic utilization is not achieved. And simple and easy recovery pond can't reach automatic recovery, and manual operation is frequent, and fertilizer is used for the field irrigation resource a large amount of wastes, and the fertilizer liquid of vegetables probably is used for the fruit tree, also can be used for the field, causes some fertilizer to mismatch, does not accomplish multiple disinfection, and the pest and disease damage can't avoid taking on other crops.
Therefore, even if a recovery pond is arranged on one side of the tidal seedbed to recover the fertilizer liquid, the problem of avoiding the transfer of plant diseases and insect pests cannot be solved when the recovered fertilizer liquid is recycled, the automatic operation degree is low, and the green low-carbon environment-friendly economic mode which is difficult to realize cyclic utilization depending on manpower is also provided.
Disclosure of Invention
The invention aims to provide a tidal seedbed-based fertilizer liquid recovery system and method, which are used for continuously preparing fertilizer by filtering the tidal seedbed fertilizer liquid and then performing multiple disinfection and sterilization, effectively solving the problem of avoiding the transfer of plant diseases and insect pests, realizing automatic operation, reducing labor, saving fertilizer and recycling and are a green, low-carbon and environment-friendly economic mode.
In order to achieve the above object, an embodiment of the present invention provides a fertilizer solution recovery system based on a tidal seedbed, which includes a tidal seedbed, a recovery tank, an automatic water pumping device, a filter, a backwater water storage tank, a backwater sterilization and disinfection circulating device, a purified water storage tank and a fertilizer applicator; the fertilizer applicator is used for applying fertilizer to the tidal seedbed; the recycling tank is communicated with the tidal seedbed, the automatic water pumping device is used for pumping the fertilizer liquid in the recycling tank to the filter when the water level of the fertilizer liquid in the recycling tank reaches a first threshold value, the fertilizer liquid filtered by the filter is stored in the backwater water storage tank after being sterilized and disinfected by the backwater sterilization and disinfection circulating device, the backwater water storage tank and the purified water storage tank are communicated to the fertilizer applicator at the same time, and the fertilizer applicator mixes the purified water in the purified water storage tank and the fertilizer liquid in the backwater water storage tank and then mixes the fertilizer liquid for fertilizer application.
Furthermore, the automatic water pumping device comprises a liquid level sensor, a water pump, an electromagnetic valve, a water return pipe network and an intelligent control cabinet; the liquid level sensor and the water pump are arranged in the recovery tank, the water pump is connected with the water return pipe network, the electromagnetic valve is arranged on the water return pipe network, and the liquid level sensor, the water pump and the electromagnetic valve are all connected to the intelligent control cabinet; the liquid level sensor is used for acquiring the water level of the fertilizer liquid in the recovery tank in real time; the intelligent control cabinet starts the water pump and the electromagnetic valve when the water level of the fertilizer liquid in the recovery tank reaches a first threshold value; the intelligent control cabinet closes the water pump and the electromagnetic valve when the water level of the fertilizer liquid in the recovery tank reaches a second threshold value; the second threshold is less than the first threshold.
Further, the intelligent control cabinet comprises an automatic control mode and a manual control mode; in an automatic control mode, a processor is arranged in the intelligent control cabinet and used for controlling the opening and closing of the water pump and the electromagnetic valve; and in the manual control mode, a switch button is arranged in the intelligent control cabinet, and the water pump and the electromagnetic valve are controlled to be opened and closed by manually controlling the on-off state of the switch button.
Furthermore, the intelligent control cabinet is further provided with a remote control device, the remote control device can receive a control signal of the mobile device, and the remote control device controls the opening and closing of the water pump and the electromagnetic valve according to the control signal.
Further, the water pump is a submersible pump, and the water pump is disposed at a second threshold water level location within the recovery tank.
Further, the fertilizer solution on the tidal seedbed flows into the recovery tank through a water return tank.
Furthermore, the backwater sterilization and disinfection circulating device comprises an ultraviolet sterilization circulating device and an ozone sterilization circulating device.
The application also provides a fertilizer solution recovery method based on the tidal seedbed, which comprises the following steps:
a step of providing a fertilizer solution recovery system, providing a fertilizer solution recovery system based on a tidal bed as described above; and
a fertilizer liquid recovery control step, wherein the liquid level sensor is used for acquiring the water level of the fertilizer liquid in the recovery tank in real time; the automatic water pumping device receives water level information of the liquid level sensor; when the water level of the fertilizer liquid in the recovery tank reaches a first threshold value, the automatic water pumping device is used for starting the water pump and the electromagnetic valve; when the water level of the fertilizer liquid in the recovery tank reaches a second threshold value, the automatic water pumping device is used for closing the water pump and the electromagnetic valve; the second threshold is less than the first threshold.
Further, the fertilizer liquid recovery control step is followed by:
filtering impurities, namely conveying the fertilizer liquid extracted by the automatic water pumping device into the filter to filter and remove large-particle impurities;
a circulating sterilization and disinfection step, wherein the fertilizer liquid filtered by the filter is subjected to circulating sterilization and disinfection by the return water sterilization and disinfection circulating device and then stored in the return water storage tank; and
and a fertilizer application step, wherein the fertilizer applicator mixes the purified water in the purified water storage tank and the fertilizer solution in the backwater storage tank, then fertilizer preparation is carried out, and fertilizer application is carried out in the tidal seedbed according to the growth attributes of the crops planted in the tidal seedbed.
Further, in the fertilizer liquid recovery control step, the intelligent control cabinet comprises an automatic control mode and a manual control mode; in an automatic control mode, a processor is arranged in the intelligent control cabinet and used for controlling the opening and closing of the water pump and the electromagnetic valve; in the manual control mode, a switch button is arranged in the intelligent control cabinet, and the water pump and the electromagnetic valve are controlled to be opened and closed by manually controlling the on-off state of the switch button; the intelligent control cabinet is further provided with a remote control device, the remote control device can receive a control signal of the mobile device, and the remote control device controls the water pump and the electromagnetic valve to be opened and closed according to the control signal.
The tidal seedbed-based fertilizer solution recovery system and method have the advantages that the tidal seedbed fertilizer solution is filtered, multiple disinfection and sterilization are carried out, and fertilizer preparation and use are continued, so that the problem of pest and disease damage transfer is effectively solved, fertilizer pollution can be prevented while the fertilizer is saved, automatic operation is recycled, labor is reduced, and the system and method are green, low-carbon, environment-friendly and economical.
Drawings
The technical solution and other advantages of the present application will be presented in the following detailed description of specific embodiments of the present application with reference to the accompanying drawings.
Fig. 1 is a schematic structural diagram of a fertilizer solution recycling system based on a tidal seedbed provided in an embodiment of the present application.
Fig. 2 is a flow chart of a fertilizer solution recovery method based on a tidal bed according to an embodiment of the present application.
The labels in the figure are as follows:
the device comprises a tide seedbed 1, a recovery pond 2, an automatic water pumping device 3, a filter 4, a backwater water storage tank 5, a backwater sterilization and disinfection circulating device 6, a purified water storage tank 7, a fertilizer applicator 8, a liquid level sensor 31, a water pump 32, an electromagnetic valve 33, an intelligent control cabinet 34, an ultraviolet sterilization circulating device 61 and an ozone sterilization circulating device 62.
Detailed Description
The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It is to be understood that the embodiments described are only a few embodiments of the present application and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; may be mechanically, electrically or may be in communication with each other; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meaning of the above terms in the present application can be understood by those of ordinary skill in the art as appropriate.
Specifically, referring to fig. 1, the present application provides a fertilizer solution recovery system based on a tidal seedbed, including a tidal seedbed 1, a recovery tank 2, an automatic water pumping device 3, a filter 4, a backwater water storage tank 5, a backwater sterilization and disinfection circulating device 6, a purified water storage tank 7 and a fertilizer applicator 8; the fertilizer applicator 8 is used for applying fertilizer to the tidal seedbed 1; the recycling tank 2 is communicated with the tidal seedbed 1, the automatic water pumping device 3 is used for pumping the fertilizer liquid in the recycling tank 2 to the filter 4 when the water level of the fertilizer liquid in the recycling tank 2 reaches a first threshold value, the fertilizer liquid filtered by the filter 4 is sterilized and disinfected by the backwater sterilizing and disinfecting circulating device 6 and then stored in the backwater water storage tank 5, the backwater water storage tank 5 and the purified water storage tank 7 are communicated to the fertilizer applicator 8 at the same time, and the fertilizer applicator 8 mixes the purified water in the purified water storage tank 7 with the fertilizer liquid in the backwater water storage tank 5 and then mixes the purified water with the fertilizer liquid for fertilizer application.
The mode of disinfection of disinfecting after filtering earlier of this scheme adoption is retrieved fertile liquid in the recovery pond 2 is filtered earlier through filter 4 and can be detached the impurity of large granule, and outside can also play a guard action to return water disinfection circulating device 6 that disinfects.
Utilize water purification water storage tank 7 and return water storage tank 5 to hold clean water and return water respectively (promptly fertilizer solution in the return water storage tank 5), separately also can play the clear water use of can irrigating when the thing only needs the clear water with water purification and return water, satisfy multiple demand condition, also can dilute the return water with the mode that water purification and return water mixed together and use, water purification and fertilizer water can both join in marriage fertile use through fertilizer distributor 8 simultaneously.
In this embodiment, the automatic water pumping device 3 includes a liquid level sensor 31, a water pump 32, an electromagnetic valve 33, a water return pipe network (not shown), and an intelligent control cabinet 34; the liquid level sensor 31 and the water pump are arranged in the recovery pool 2, the water pump is connected with the water return pipe network, the electromagnetic valve 33 is arranged on the water return pipe network, and the liquid level sensor 31, the water pump and the electromagnetic valve 33 are all connected to the intelligent control cabinet; the liquid level sensor 31 is used for acquiring the water level of the fertilizer liquid in the recovery tank 2 in real time; the intelligent control cabinet opens the water pump and the electromagnetic valve 33 when the water level of the fertilizer liquid in the recovery tank 2 reaches a first threshold value; the intelligent control cabinet closes the water pump and the electromagnetic valve 33 when the water level of the fertilizer liquid in the recovery tank 2 reaches a second threshold value; the second threshold is less than the first threshold.
As shown in fig. 1, the automatic water pumping device 3 is additionally provided with a liquid level sensor 31, a water pump 32, an electromagnetic valve 33, a water return pipe network and an intelligent control cabinet 34, and the intelligent control cabinet 34 is connected with multiple signals and can automatically operate and control the on and off of the water pump 32 and the electromagnetic valve 33. Level sensor 31 is a sensor that has upper and lower liquid level sensing function, and when level sensor 31 on recovery pond 2 reached the liquid level, the first threshold value in the corresponding preceding of last liquid level, intelligent control cabinet 34 sent signal water pump 32 and solenoid valve 33 automatically, opened water pump 32 and solenoid valve 33 and carried out fertile liquid and retrieve. When the liquid level sensor 31 on the recovery tank 2 reaches the lower liquid level, which corresponds to the second threshold value, the intelligent control cabinet 34 will send a closing signal to the water pump 32 and the electromagnetic valve 33. Understandably, the intelligent control cabinet 34 can also be manually operated, the water pump 32 and the electromagnetic valve 33 are manually opened to recover the fertilizer liquid, and the water pump 32 is automatically closed when the liquid level sensor 31 reaches the lower liquid level, so that the effect of preventing the water pump 32 from idling and burning out is achieved.
In other words, the intelligent control cabinet 34 includes an automatic control mode and a manual control mode; in the automatic control mode, a processor (not shown) is arranged in the intelligent control cabinet 34, and the processor is used for controlling the opening and closing of the water pump 32 and the electromagnetic valve 33; in the manual control mode, a switch button is arranged in the intelligent control cabinet 34, and the on-off state of the switch button is manually controlled to control the on-off of the water pump 32 and the electromagnetic valve 33.
In this embodiment, the intelligent control cabinet 34 is further provided with a remote control device (not shown), the remote control device is capable of receiving a control signal of a mobile device, and the remote control device controls the opening and closing of the water pump 32 and the electromagnetic valve 33 according to the control signal. The mobile device comprises a mobile phone, a computer, a notebook computer and the like, the intelligent control cabinet 34 is preferably selected in the application, a remote control device of the mobile phone APP is matched, and remote control of the mobile phone can be achieved.
In this embodiment, the water pump 32 is a submersible pump, and the water pump 32 is disposed at a second threshold water level location within the recovery tank 2.
In this embodiment, the fertilizer solution on the tidal bed 1 flows into the reclamation pool 2 through a return flume.
In the embodiment, the backwater sterilization and disinfection circulating device 6 comprises an ultraviolet sterilization circulating device 61 and an ozone sterilization circulating device 62. Wherein the ultraviolet sterilization cycle device 61 comprises an ultraviolet sterilization lamp. This scheme adopts solitary return water storage tank 5, ultraviolet sterilization circulating device 61 and ozone disinfection circulating device 62 to use, and effectual solution prevents that the rivers speed is too fast, the not enough problem of disinfection once disinfects, at the local little circulation of formation of retrieving water storage tank and ultraviolet sterilization ozone disinfection to the realization is disinfected thoroughly with the recovery liquid of fertile liquid recovery.
Referring to fig. 2, based on the tidal seedbed-based fertilizer solution recycling system as described above, the present application also provides a tidal seedbed-based fertilizer solution recycling method, which includes the following steps S1-S5.
S1, setting a fertilizer solution recovery system, and setting the fertilizer solution recovery system based on the tidal seedbed as described above.
S2, a fertilizer liquid recovery control step, wherein the liquid level sensor is used for acquiring the water level of the fertilizer liquid in the recovery tank in real time; the automatic water pumping device receives water level information of the liquid level sensor; when the water level of the fertilizer liquid in the recovery tank reaches a first threshold value, the automatic water pumping device is used for starting the water pump and the electromagnetic valve; when the water level of the fertilizer liquid in the recovery tank reaches a second threshold value, the automatic water pumping device is used for closing the water pump and the electromagnetic valve; the second threshold is less than the first threshold.
The intelligent control cabinet comprises an automatic control mode and a manual control mode; in an automatic control mode, a processor is arranged in the intelligent control cabinet and used for controlling the opening and closing of the water pump and the electromagnetic valve; in the manual control mode, a switch button is arranged in the intelligent control cabinet, and the water pump and the electromagnetic valve are controlled to be opened and closed by manually controlling the on-off state of the switch button; the intelligent control cabinet is further provided with a remote control device, the remote control device can receive a control signal of the mobile device, and the remote control device controls the water pump and the electromagnetic valve to be opened and closed according to the control signal.
And S3, filtering impurities, wherein the fertilizer liquid extracted by the automatic water pumping device is conveyed to the filter to filter and remove large-particle impurities.
And S4, circularly sterilizing and disinfecting, namely circularly sterilizing and disinfecting the fertilizer liquid filtered by the filter by the return water sterilizing and disinfecting circulating device and then storing the fertilizer liquid in the return water storage tank.
S5, fertilizing, namely mixing the purified water in the purified water storage tank and the fertilizer liquid in the backwater water storage tank by the fertilizer distributor according to the growth attributes of the crops planted in the tidal seedbed, then preparing fertilizer and fertilizing the tidal seedbed.
Referring to fig. 1 and 2, when in use, the pure water storage tank 7 and the backwater storage tank 5 can dilute the backwater for use according to a certain proportion between the pure water and the backwater, meanwhile, both purified water and rich water can be used for fertilizer preparation through the fertilizer applicator 8, the fertilizer liquid is conveyed to the tidal seedbed 1 through the fertilizer applicator 8 to form tidal surge for irrigating crops, the fertilizer liquid on the tidal seedbed 1 flows into the recovery tank 2 through the backwater tank along with the tidal fall of the fertilizer liquid in the recovery tank 2, the recovery tank 2 is matched with a liquid level sensor 31, a water pump 32 and an electromagnetic valve 33, the liquid level sensor 31, the water pump 32 and the electromagnetic valve 33 are respectively integrated into an intelligent control box, along with the increase of the returned liquid of the tidal fall, the liquid level sensor 31 on the recovery tank 2 reaches the upper liquid level, signals are uploaded to an intelligent control cabinet 34, the intelligent control box automatically sends signals to the water pump 32 and the electromagnetic valve 33, and the water pump 32 and the electromagnetic valve 33 are opened to recover the fertilizer liquid; when the level sensor 31 on the recovery tank 2 reaches the lower level, the intelligent control cabinet 34 will send a close signal to the water pump 32 and the solenoid valve 33. Of course, the intelligent control cabinet 34 can be manually operated, the water pump 32 and the electromagnetic valve 33 are manually opened to recover the fertilizer liquid, and the water pump 32 is automatically closed when the liquid level sensor 31 reaches the lower liquid level, so that the effect of preventing the water pump 32 from being burnt out due to idling is achieved. The intelligent control cabinet 34 is also matched with mobile phone APP remote control. The fertilizer liquid of recovery can enter into return water storage tank 5 after filtration, ultraviolet sterilization, ozone disinfection, prevents that once ultraviolet sterilization, ozone disinfection are not thorough, and the fertilizer liquid that enters into return water storage tank 5 retrieves at ultraviolet sterilization, and ozone disinfection carries out inside little circulation, stores after the manifold cycles in return water storage tank 5 and waits for the use, and circulation that goes round and round, effectual using fertilizer water wisely.
The tidal seedbed-based fertilizer solution recovery system and method have the advantages that the tidal seedbed fertilizer solution is filtered, multiple disinfection and sterilization are carried out, and fertilizer preparation and use are continued, so that the problem of pest and disease damage transfer is effectively solved, fertilizer pollution can be prevented while the fertilizer is saved, automatic operation is recycled, labor is reduced, and the system and method are green, low-carbon, environment-friendly and economical.
In the foregoing embodiments, the descriptions of the respective embodiments have respective emphasis, and for parts that are not described in detail in a certain embodiment, reference may be made to related descriptions of other embodiments.
The above embodiments of the present application are described in detail, and specific examples are applied in the present application to explain the principles and implementations of the present application, and the description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application; those of ordinary skill in the art will understand that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications or substitutions do not depart from the spirit and scope of the present disclosure as defined by the appended claims.
Claims (10)
1. A fertilizer solution recovery system based on a tidal seedbed is characterized by comprising the tidal seedbed, a recovery pond, an automatic water pumping device, a filter, a backwater water storage tank, a backwater sterilization and disinfection circulating device, a purified water storage tank and a fertilizer applicator;
the fertilizer applicator is used for applying fertilizer to the tidal seedbed; the recycling tank is communicated with the tidal seedbed, the automatic water pumping device is used for pumping the fertilizer liquid in the recycling tank to the filter when the water level of the fertilizer liquid in the recycling tank reaches a first threshold value, the fertilizer liquid filtered by the filter is stored in the backwater water storage tank after being sterilized and disinfected by the backwater sterilization and disinfection circulating device, the backwater water storage tank and the purified water storage tank are communicated to the fertilizer applicator at the same time, and the fertilizer applicator mixes the purified water in the purified water storage tank and the fertilizer liquid in the backwater water storage tank and then mixes the fertilizer liquid for fertilizer application.
2. The tidal seedbed-based fertilizer solution recovery system of claim 1, wherein the automatic water pumping device comprises a liquid level sensor, a water pump, a solenoid valve, a water return pipe network and an intelligent control cabinet;
the liquid level sensor and the water pump are arranged in the recovery tank, the water pump is connected with the water return pipe network, the electromagnetic valve is arranged on the water return pipe network, and the liquid level sensor, the water pump and the electromagnetic valve are all connected to the intelligent control cabinet;
the liquid level sensor is used for acquiring the water level of the fertilizer liquid in the recovery tank in real time; the intelligent control cabinet starts the water pump and the electromagnetic valve when the water level of the fertilizer liquid in the recovery tank reaches a first threshold value; the intelligent control cabinet closes the water pump and the electromagnetic valve when the water level of the fertilizer liquid in the recovery tank reaches a second threshold value; the second threshold is less than the first threshold.
3. The tidal bed based fertilizer solution recovery system of claim 2, wherein the intelligent control cabinet comprises an automatic control mode and a manual control mode;
in an automatic control mode, a processor is arranged in the intelligent control cabinet and used for controlling the opening and closing of the water pump and the electromagnetic valve;
and in the manual control mode, a switch button is arranged in the intelligent control cabinet, and the water pump and the electromagnetic valve are controlled to be opened and closed by manually controlling the on-off state of the switch button.
4. The tidal seedbed-based fertilizer solution recycling system as claimed in claim 2, wherein the intelligent control cabinet is further provided with a remote control device, the remote control device can receive a control signal of a mobile device, and the remote control device controls the water pump and the electromagnetic valve to be opened and closed according to the control signal.
5. The tidal bed based fertilizer solution recovery system of claim 2, wherein the water pump is a submersible pump, the water pump being disposed at a second threshold water level location within the recovery tank.
6. The tidal bed based fertilizer solution recovery system of claim 1, wherein the fertilizer solution on the tidal bed flows into the recovery pond through a return flume.
7. The tidal bed based fertilizer solution recovery system as claimed in claim 1,
the backwater sterilization circulating device comprises an ultraviolet sterilization circulating device and an ozone sterilization circulating device.
8. A fertilizer liquid recovery method based on a tidal seedbed is characterized by comprising the following steps:
a step of providing a fertilizer solution recovery system, providing the tidal bed based fertilizer solution recovery system of any one of claims 1 to 7; and
a fertilizer liquid recovery control step, wherein the liquid level sensor is used for acquiring the water level of the fertilizer liquid in the recovery tank in real time; the automatic water pumping device receives water level information of the liquid level sensor; when the water level of the fertilizer liquid in the recovery tank reaches a first threshold value, the automatic water pumping device is used for starting the water pump and the electromagnetic valve; when the water level of the fertilizer liquid in the recovery tank reaches a second threshold value, the automatic water pumping device is used for closing the water pump and the electromagnetic valve; the second threshold is less than the first threshold.
9. The tidal bed based fertilizer solution recovery method of claim 8, further comprising, after the fertilizer solution recovery controlling step:
filtering impurities, namely conveying the fertilizer liquid extracted by the automatic water pumping device into the filter to filter and remove large-particle impurities;
a circulating sterilization and disinfection step, wherein the fertilizer liquid filtered by the filter is subjected to circulating sterilization and disinfection by the return water sterilization and disinfection circulating device and then stored in the return water storage tank; and
and a fertilizer application step, wherein the fertilizer applicator mixes the purified water in the purified water storage tank and the fertilizer solution in the backwater storage tank, then fertilizer preparation is carried out, and fertilizer application is carried out in the tidal seedbed according to the growth attributes of the crops planted in the tidal seedbed.
10. The tidal seedbed-based fertilizer solution recovery method of claim 8, wherein in the fertilizer solution recovery control step, the intelligent control cabinet comprises an automatic control mode and a manual control mode; in an automatic control mode, a processor is arranged in the intelligent control cabinet and used for controlling the opening and closing of the water pump and the electromagnetic valve; in the manual control mode, a switch button is arranged in the intelligent control cabinet, and the water pump and the electromagnetic valve are controlled to be opened and closed by manually controlling the on-off state of the switch button; the intelligent control cabinet is further provided with a remote control device, the remote control device can receive a control signal of the mobile device, and the remote control device controls the water pump and the electromagnetic valve to be opened and closed according to the control signal.
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| CN105557463A (en) * | 2015-12-16 | 2016-05-11 | 重庆市农业科学院 | Water and fertilizer integrated irrigation system and method for protected cultivation |
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| CN207706711U (en) * | 2018-01-09 | 2018-08-10 | 袁琼 | A kind of garden seedling tree automatic fertilizer spreaders easy to remove |
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Application publication date: 20220812 |