CN115530060A - Nutrient solution cyclic utilization system - Google Patents
Nutrient solution cyclic utilization system Download PDFInfo
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- CN115530060A CN115530060A CN202111649087.1A CN202111649087A CN115530060A CN 115530060 A CN115530060 A CN 115530060A CN 202111649087 A CN202111649087 A CN 202111649087A CN 115530060 A CN115530060 A CN 115530060A
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- 235000015097 nutrients Nutrition 0.000 title claims abstract description 125
- 125000004122 cyclic group Chemical group 0.000 title description 2
- 239000000243 solution Substances 0.000 claims abstract description 124
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 70
- 238000001914 filtration Methods 0.000 claims abstract description 61
- 238000001514 detection method Methods 0.000 claims abstract description 52
- 238000005070 sampling Methods 0.000 claims abstract description 46
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 39
- 238000002156 mixing Methods 0.000 claims abstract description 36
- 238000004064 recycling Methods 0.000 claims abstract description 20
- 238000011282 treatment Methods 0.000 claims abstract description 13
- 239000013589 supplement Substances 0.000 claims abstract description 6
- 239000010413 mother solution Substances 0.000 claims abstract description 4
- 239000012452 mother liquor Substances 0.000 claims description 10
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 7
- 230000000249 desinfective effect Effects 0.000 claims description 5
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 claims description 5
- 229910052753 mercury Inorganic materials 0.000 claims description 5
- 239000010453 quartz Substances 0.000 claims description 4
- 230000004720 fertilization Effects 0.000 description 14
- 230000001954 sterilising effect Effects 0.000 description 9
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Images
Classifications
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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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F9/00—Multistage treatment of water, waste water or sewage
-
- 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
- A01G2031/006—Soilless cultivation, e.g. hydroponics with means for recycling the nutritive solution
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/30—Treatment of water, waste water, or sewage by irradiation
- C02F1/32—Treatment of water, waste water, or sewage by irradiation with ultraviolet light
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/50—Treatment of water, waste water, or sewage by addition or application of a germicide or by oligodynamic treatment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/66—Treatment of water, waste water, or sewage by neutralisation; pH adjustment
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/04—Disinfection
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- 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
Abstract
A nutrient solution recycling system belongs to the technical field of agriculture and provides the following scheme: a nutrient solution recycling system comprises a disinfection module which disinfects nutrient solution through ozone and ultraviolet rays; the filtering module performs coarse filtering and fine filtering on the sterilized nutrient solution; the mixing module mixes the filtered nutrient solution with the mother solution to supplement the concentration and the pH of the nutrient solution, and the nutrient solution is conveyed to a plant fertilizing position through a conveying pump under the control of the controller; the sampling detection module is used for detecting the nutrient solution at the sampling disinfection module, the filtering module and the mixing module; the controller judges that the germ content of disinfection module, filter module and mixed module department nutrient solution surpasses when predetermineeing the germ content according to the detected data of sampling test module feedback, and control disinfection module carries out secondary disinfection and handles to transmit and carry out the storage record to backstage system. The invention ensures the thorough disinfection treatment of the plant nutrient solution and improves the reliability of the plant nutrient solution.
Description
Technical Field
The invention relates to the technical field of agriculture, in particular to a nutrient solution recycling system.
Background
The nutrient solution is a main source for obtaining nutrients and water by a soilless culture mode plant, and in the conventional nutrient solution management, as the soilless culture substrate or the water culture buffer capacity is smaller than that of soil, the dosage of the nutrient solution is usually increased in the irrigation process for keeping the stability of the root system environment of the plant and increasing the dissolved oxygen content of the nutrient solution. If the redundant nutrient solution is directly discharged, not only the waste of water and fertilizer resources is caused, but also certain environmental pollution, soil salinization, underground water pollution and the like are caused. But the recovered nutrient solution can be recycled only by disinfection, otherwise, a large amount of germs and algae can be caused to propagate, and the probability of infecting germs by plants is increased. Ultraviolet disinfection is a physical disinfection mode, can kill most of pathogenic bacteria in a solution with better filtration by ultraviolet irradiation, and is a mainstream disinfection mode in the field of water treatment.
In the prior art, liquid disinfection is mostly carried out by utilizing fixed ultraviolet irradiation, however, the problem of incomplete disinfection still exists after the nutrient solution is disinfected, some substances which cause plants to infect germs and promote the plants to accompany algae can be caused in the nutrient solution, and the influence on the plants can be caused.
Disclosure of Invention
The invention mainly aims to provide a nutrient solution recycling system, which aims to ensure thorough disinfection treatment of plant nutrient solution and improve the reliability of the plant nutrient solution.
The basic scheme provided by the invention is as follows:
a nutrient solution recycling system comprises a disinfection module, a filtering module, a mixing module, a sampling detection module and a controller;
the disinfection module is used for disinfecting the nutrient solution through ozone and ultraviolet rays;
the filtering module is used for performing coarse filtering and fine filtering treatment on the sterilized nutrient solution;
the mixing module is used for mixing the filtered nutrient solution with the mother solution so as to supplement the concentration and the PH of the nutrient solution, and conveying the nutrient solution to a plant fertilizing position through a conveying pump under the control of the controller;
the sampling detection module is used for sampling the nutrient solution at the disinfection module, the filtering module and the mixing module for detection and feeding back detection data to the controller;
the controller is used for judging that the germ content of the disinfection module, the filtering module and the nutrient solution at the mixing module exceeds the preset germ content according to the detection data fed back by the sampling detection module, controlling the disinfection module to carry out secondary disinfection treatment and transmitting the secondary disinfection treatment to a background system for storage and recording.
The principle and the effect of the basic scheme of the invention are as follows:
in the scheme, the nutrient solution disinfection system is arranged through the disinfection module, the filtering module, the mixing module, the sampling detection module and the controller; specifically, the disinfection module is used for disinfecting the nutrient solution through ozone and ultraviolet rays, and then the filtering module is used for carrying out coarse filtering and fine filtering on the disinfected nutrient solution; then the filtered nutrient solution is mixed with the mother solution by a mixing module to supplement the concentration and the PH of the nutrient solution, and the nutrient solution is conveyed to a plant fertilizing position by a conveying pump under the control of a controller; this scheme is through disinfection module, filtration module and the disinfection of mixing the module, filtration to and the replenishment of concentration and PH, makes the nutrient solution disinfection of carrying to plant fertilization position department more thorough, reduces germ, harmful microorganism's among the nutrient solution and remains, makes the growth that the plant can be better.
The sampling detection module samples the nutrient solution at the disinfection module, the filtering module and the mixing module to detect, and feeds back detection data to the controller, the controller judges whether the germ content of the nutrient solution at the disinfection module, the filtering module and the mixing module exceeds the preset germ content according to the fed-back detection data, and controls the disinfection module to carry out secondary disinfection treatment when any position exceeds the preset germ content; therefore, the nutrient solution is more thoroughly disinfected, the components of the nutrient solution which cause the plants to be infected by germs are reduced, and the substances of the plants associated with algae are inhibited, so that the influence on the plants is reduced. Meanwhile, the controller can also transmit related detection data to a background system for storage and recording so as to pay attention to the growth state of the plants in real time.
Further, the disinfection module comprises an ozone generator and an ultraviolet lamp group;
the controller is also used for outputting a first control signal to control the ozone generator to generate ozone gas to be mixed in the nutrient solution, and outputting a second control signal to control the ultraviolet lamp set to irradiate the nutrient solution.
In the scheme, the controller is used for controlling the ozone generator to generate ozone to be mixed in the vegetable nutrient solution, killing pathogenic bacteria in the vegetable nutrient solution by utilizing the strong oxidizing property of the ozone, and controlling the plurality of ultraviolet lamps in the ultraviolet lamp group to irradiate the vegetable nutrient solution, so that the combination of the ozone generator and the ultraviolet lamp group is realized, and the sterilization effect of the nutrient solution is greatly improved.
Further, the ultraviolet lamp is a low-ozone straight-tube quartz ultraviolet low-pressure mercury lamp.
In the scheme, the straight-tube quartz ultraviolet low-pressure mercury lamp is convenient for sterilizing the vegetable nutrient solution, and the low-ozone lamp tube is adopted to reduce the pollution of ozone to the environment.
Further, the filtration module includes coarse filtration jar and smart jar of filtering.
In this scheme, through the setting of coarse filtration jar and smart filtration jar, be convenient for carry out coarse filtration and smart filtration processing to the nutrient solution after the disinfection processing to reduce impurity such as gravel and sand in the nutrient solution.
Further, the mixing module comprises a mother liquor stirring barrel and a fertilizing barrel.
In this scheme, the mother liquor agitator is convenient for stir mother liquor to carry and mix to the nutrient solution of fertilization bucket after filtering, thereby can supply the concentration and the PH of nutrient solution.
Furthermore, the sampling detection module comprises a first sampling detection module, a second sampling detection module and a third sampling detection module;
the first sampling detection module is connected between the disinfection module and the controller, the second sampling detection module is connected between the filtering module and the controller, and the third sampling detection module is connected between the mixing module and the controller.
In this scheme, through the setting of a plurality of sample detection modules in the sample detection module, be convenient for carry out multiple sample detection to disinfection module, filtration module, mixed module to promote the reliability of carrying the nutrient solution to plant fertilization position.
Further, the nutrient solution recycling system also comprises an alarm connected to the controller;
the attention device is used for the disinfection module the filtration module with warn when the germ content of mixed module department nutrient solution surpasses and predetermines the germ content.
In this scheme, the staff of being convenient for in time learns the disinfection module, filters the module, whether germ content surpasses predetermineeing germ content in the nutrient solution of mixed module position department in the setting of attention device.
Furthermore, the nutrient solution recycling system also comprises an analysis recording module connected with the background system;
the analysis recording module is used for periodically analyzing and recording the nutrient solution conveyed to the plants and recording the influence of the nutrient solution and the components of the nutrient solution required by the corresponding plants on the corresponding plants.
In the scheme, the analysis recording module connected to the background system is arranged, so that the growth state, the fertilization period, the required fertilization amount in each stage, the fertilization amount in each period and the like of the plant can be conveniently recorded, and workers can research and analyze the plant in a targeted manner.
Drawings
FIG. 1 is a schematic block diagram of an embodiment of a nutrient solution recycling system according to the present invention;
fig. 2 is a schematic block diagram of another embodiment of a nutrient solution recycling system according to the present invention.
Detailed Description
The following is further detailed by way of specific embodiments:
reference numerals in the drawings of the specification include: the system comprises a disinfection module 10, a filtering module 20, a mixing module 30, a sampling detection module 40, a controller 50, a background system 60, an alarm 70 and an analysis recording module 80.
In one embodiment, referring to fig. 1, a nutrient solution recycling system includes a sterilization module 10, a filtering module 20, a mixing module 30, a sampling and detecting module 40, and a controller 50;
the disinfection module 10 is used for disinfecting the nutrient solution through ozone and ultraviolet rays;
the filtering module 20 is used for performing coarse filtering and fine filtering on the sterilized nutrient solution;
the mixing module 30 is configured to mix the filtered nutrient solution with the mother liquor to supplement the concentration and PH of the nutrient solution, and deliver the nutrient solution to a plant fertilization position through a delivery pump under the control of the controller 50;
the sampling detection module 40 is configured to sample the nutrient solution at the disinfection module 10, the filtration module 20, and the mixing module 30 for detection, and feed back detection data to the controller 50;
and the controller 50 is used for controlling the disinfection module 10 to carry out secondary disinfection treatment when the germ content of the nutrient solution at the disinfection module 10, the filtering module 20 and the mixing module 30 exceeds the preset germ content according to the detection data fed back by the sampling detection module 40, and transmitting the germ content to the background system 60 for storage and recording.
Further, the disinfection module 10 comprises an ozone generator and an ultraviolet lamp set, wherein the output end of the controller 50 is respectively connected with the ozone generator and the ultraviolet lamp set so as to output a first control signal to control the ozone generator to generate ozone to be mixed in the vegetable nutrient solution, kill pathogenic bacteria in the vegetable nutrient solution by using the strong oxidizing property of the ozone, and output a second control signal to control a plurality of ultraviolet lamps in the ultraviolet lamp set to irradiate the vegetable nutrient solution; thereby realizing the combination of the ozone generator and the ultraviolet lamp set and greatly improving the sterilization effect of the nutrient solution.
It should be noted that the number of the ultraviolet lamps in the ultraviolet lamp group may be, but is not limited to, 3, 4, or 5, which is limited according to the practical application; the ozone generator is a device for preparing ozone gas, ozone is easy to decompose and cannot be stored, and the ozone generator needs to be prepared on site and used on site, so that the ozone generator is needed to be used in all places where the ozone can be used. The ozone generator is widely applied to the fields of drinking water, sewage, industrial oxidation, food processing and fresh-keeping, space sterilization and the like. Ozone gas generated by the ozone generator can be directly utilized, and can also be mixed with liquid through the mixing device to participate in reaction. The ozone generator can decompose and polymerize partial oxygen in the air into ozone by utilizing high-pressure ionization (or chemical and photochemical reactions), and is an allotropic transformation process of oxygen; can also be obtained by an electrolytic water method.
Specifically, the ultraviolet lamp is a low-ozone type straight-tube quartz ultraviolet low-pressure mercury lamp, which is a low-pressure mercury sterilizing lamp having a tube shell made of quartz glass capable of effectively absorbing ozone ultraviolet radiation below 200nm, and the concentration of ozone generated in the lamp during use is less than 0.3 mg/cubic meter. Further, the ultraviolet lamp is a low ozone type lamp tube having a moderate transmittance, a short wavelength portion thereof is absorbed by the transparent glass, and a large portion of medium ultraviolet rays contained in sunlight is absorbed by the ozone layer. In the present embodiment, the ultraviolet light with a wavelength of 254 nm is mainly used for ultraviolet sterilization. The ultraviolet light with the wavelength can damage DNA (deoxyribonucleic acid) which is the core of a cell even under the condition of a trace ultraviolet projection dose, so that the cell is prevented from regenerating, the regeneration capability is lost, bacteria are harmless, and the effect of disinfecting and sterilizing the nutrient solution is achieved.
It should be noted that the irradiation time of the ultraviolet lamp in the ultraviolet lamp set is 2s-7s, for example, the irradiation time of the ultraviolet lamp set 40 may be 2s, 5s, 7s, etc., which is not limited herein; through prescribing a limit to ultraviolet lamp's exposure time, avoid shining too for a long time to cause the harm to vegetable nutrient solution to and avoid causing the injury to the human body.
In this embodiment, the filtering module 20 includes a coarse filtering tank and a fine filtering tank, and multiple filtering treatments such as coarse filtering and fine filtering are performed on the sterilized nutrient solution to reduce impurities such as sand and stone in the nutrient solution; mix module 30 includes mother liquor agitator and fertilization bucket, specifically is that the mother liquor in the mother liquor agitator mixes with the nutrient solution who carries to the fertilization bucket to reach the replenishment of concentration and PH, make the growth of carrying to the plant more easily plant of nutrient solution of plant fertilization position, can not cause the germ infection to the plant simultaneously, accompanying alga's influence.
Based on the above embodiment, the nutrient solution disinfection system is provided with the disinfection module 10, the filtering module 20, the mixing module 30, the sampling detection module 40 and the controller 50; specifically, the ozone generator in the disinfection module 10 generates ozone and ultraviolet radiation of the ultraviolet lamp set to disinfect the nutrient solution, and then the coarse filter tank and the fine filter tank in the filter module 20 conduct coarse filtration and fine filtration on the disinfected nutrient solution; then the mother liquor mixing tank and the fertilizing tank in the mixing module 30 mix the filtered nutrient solution with the mother liquor to supplement the concentration and PH of the nutrient solution, and the nutrient solution is conveyed to a plant fertilizing position through a conveying pump under the control of the controller 50; this scheme is through disinfection module 10, filtration module 20 and the disinfection of mixing module 30, filtration to and the replenishment of concentration and PH for carry the nutrient solution disinfection to plant fertilization position department more thoroughly, germ, harmful microorganism's residue in the reduction nutrient solution, make the growth that the plant can be better.
In one embodiment, as shown in fig. 2, the sampling module 40 includes a first sampling module, a second sampling module and a third sampling module, the first sampling module is connected between the sterilizing module 10 and the controller 50, the second sampling module is connected between the filtering module 20 and the controller 50, and the third sampling module is connected between the mixing module 30 and the controller 50; namely, the first sampling detection module, the second sampling detection module and the third sampling detection module respectively perform sampling detection on the nutrient solution at the disinfection module 10, the filtration module 20 and the mixing module 30, and feed back detection data to the controller 50, the controller 50 judges whether the germ content of the nutrient solution at the disinfection module 10, the filtration module 20 and the mixing module 30 exceeds a preset germ content according to the fed-back detection data, and controls the disinfection module 10 to perform secondary disinfection treatment when any position exceeds the preset germ content; therefore, the nutrient solution is more thoroughly disinfected, the components of the nutrient solution which cause the plants to be infected by germs are reduced, and the substances of the plants associated with algae are inhibited, so that the influence on the plants is reduced. Meanwhile, the controller 50 transmits the relevant detection data to the background system 60 for storage and recording, so as to pay attention to the growth state of the plant in real time.
Further, the nutrient solution recycling system further comprises a warning device 70 connected to the controller 50, and the warning device is used for warning when the germ content of the nutrient solution in the disinfection module 10, the filtration module 20 and the mixing module 30 exceeds the preset germ content. It is understood that the alarm 70 may be, but is not limited to, a buzzer, an LED indicator, etc.; the alarm 70 may be a first sampling detection module, a second sampling detection module and a third sampling detection module, each of which is independently arranged, so that the worker can timely know whether the germ content in the nutrient solution at the positions of the disinfection module 10, the filtration module 20 and the mixing module 30 exceeds the preset germ content, and timely make corresponding processing.
Based on the above embodiment, referring to fig. 2, the nutrient solution recycling system further includes an analysis recording module 80 connected to the background system 60, for periodically analyzing and recording the nutrient solution delivered to the plant, and recording the influence of the nutrient solution and the components of the nutrient solution required by the corresponding plant on the corresponding plant; that is, the data related to the plants are fed back to the background system 60 through the controller 50 end, and the analysis and recording module 80 analyzes and records the growth state, the fertilization period, the fertilization amount required in each stage, the fertilization amount in each period and other related data of the plants in real time, so that the workers can research and analyze the plants in a targeted manner.
The foregoing are merely exemplary embodiments of the present invention, and no attempt is made to show structural details of the invention in more detail than is necessary for the fundamental understanding of the art, the description taken with the drawings making apparent to those skilled in the art how the several forms of the invention may be embodied in practice with the teachings of the invention. It should be noted that, for those skilled in the art, without departing from the structure of the present invention, several changes and modifications can be made, which should also be regarded as the protection scope of the present invention, and these will not affect the effect of the implementation of the present invention and the practicability of the patent. The scope of the claims of the present application shall be determined by the contents of the claims, and the description of the embodiments and the like in the specification shall be used to explain the contents of the claims.
Claims (8)
1. A nutrient solution recycling system is characterized by comprising a disinfection module, a filtering module, a mixing module, a sampling detection module and a controller;
the disinfection module is used for disinfecting the nutrient solution through ozone and ultraviolet rays;
the filtering module is used for performing coarse filtering and fine filtering treatment on the sterilized nutrient solution;
the mixing module is used for mixing the filtered nutrient solution with the mother solution so as to supplement the concentration and PH of the nutrient solution, and conveying the nutrient solution to a plant fertilizing position through a conveying pump under the control of the controller;
the sampling detection module is used for sampling the nutrient solution at the disinfection module, the filtering module and the mixing module for detection and feeding back detection data to the controller;
the controller is used for judging that the germ content of the disinfection module, the filtering module and the nutrient solution at the mixed module exceeds the preset germ content according to the detection data fed back by the sampling detection module, controlling the disinfection module to carry out secondary disinfection treatment and transmitting the secondary disinfection treatment to a background system for storage and recording.
2. The nutrient solution recycling system of claim 1, wherein the disinfection module comprises an ozone generator and an ultraviolet lamp set;
the controller is also used for outputting a first control signal to control the ozone generator to generate ozone gas to be mixed in the nutrient solution, and outputting a second control signal to control the ultraviolet lamp group to irradiate the nutrient solution.
3. The nutrient solution recycling system of claim 2, wherein the ultraviolet lamp is a low-ozone straight tube quartz ultraviolet low-pressure mercury lamp.
4. The nutrient solution recycling system of claim 1, wherein the filter module comprises a coarse filter tank and a fine filter tank.
5. The nutrient solution recycling system of claim 1, wherein the mixing module comprises a mother liquor mixing tank and a fertilizing tank.
6. The nutrient solution recycling system of claim 1, wherein the sampling detection module comprises a first sampling detection module, a second sampling detection module and a third sampling detection module;
the first sampling detection module is connected between the disinfection module and the controller, the second sampling detection module is connected between the filtering module and the controller, and the third sampling detection module is connected between the mixing module and the controller.
7. The nutrient solution recycling system of claim 1, further comprising an alarm connected to the controller;
the warning indicator is used for warning when the germ content of the disinfection module, the filtering module and the nutrient solution at the mixed module exceeds the preset germ content.
8. The nutrient solution recycling system according to any one of claims 1 to 7, further comprising an analysis recording module connected to the background system;
the analysis recording module is used for periodically analyzing and recording the nutrient solution conveyed to the plants and recording the influence of the nutrient solution and the components of the nutrient solution required by the corresponding plants on the corresponding plants.
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| CN202111649087.1A CN115530060A (en) | 2021-12-30 | 2021-12-30 | Nutrient solution cyclic utilization system |
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Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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| CN101428923A (en) * | 2008-12-17 | 2009-05-13 | 中国农业大学 | Ultraviolet and ozone combined disinfection method for nutrient solution |
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