CN107698090A - The technique for preparing soilless culture active water - Google Patents
The technique for preparing soilless culture active water Download PDFInfo
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- CN107698090A CN107698090A CN201711122860.2A CN201711122860A CN107698090A CN 107698090 A CN107698090 A CN 107698090A CN 201711122860 A CN201711122860 A CN 201711122860A CN 107698090 A CN107698090 A CN 107698090A
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- 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
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- 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
- C02F1/28—Treatment of water, waste water, or sewage by sorption
- C02F1/281—Treatment of water, waste water, or sewage by sorption using inorganic sorbents
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- 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
- C02F1/48—Treatment of water, waste water, or sewage with magnetic or electric fields
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- 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
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- 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
- C02F1/68—Treatment of water, waste water, or sewage by addition of specified substances, e.g. trace elements, for ameliorating potable water
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
- C02F2101/22—Chromium or chromium compounds, e.g. chromates
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/002—Construction details of the apparatus
- C02F2201/007—Modular design
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2209/00—Controlling or monitoring parameters in water treatment
- C02F2209/22—O2
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2301/00—General aspects of water treatment
- C02F2301/08—Multistage treatments, e.g. repetition of the same process step under different conditions
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- 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
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- 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
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- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Water Treatment By Sorption (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
A kind of method for preparing soilless culture active water, the water that water inlet pipe enters is in the presence of high-strength magnetic field, graded composite disturbed magnetic field unties raw water molecule cluster, cluster water is set to form single hydrone state water, under the direct effect in magnetic field, 50%~80% microorganism is dead, and water outlet enters natural crystal adsorption module, and the absorption mechanism of natural crystal heavy metal mainly echos Absorptive complex wave two ways by ion-exchange absorption.Gradient magnetic produces synergy with natural crystal absorption, substantially increases the adsorption effect of ore heavy metal.Copper silver metal net can dissolve minimal amount of copper, silver ion, by the water of mineralization, negative oxygen ion, dissolved oxygen content are higher in water body, water is after magnetization is saturated, and when externally-applied magnetic field is cancelled, its magnetization effect will not disappear immediately, and meeting relaxation is for a period of time, so the water after magnetizing again, the solubility of water oxygen can increase.
Description
Technical field
The present invention relates to a kind of soilless culture active water (nutrient solution) preparation technology.More particularly to one kind utilizes gradient magnetic
With the compound technique for preparing soilless culture active water (nutrient solution) of natural crystal absorption.
Background technology
Soilless culture is a kind of arable farming new technology to grow up in recent years.Crop is cultivated in soil,
But it is inner that crop seed is implanted in the aqueous solution (nutrient solution) dissolved with mineral matter, or in certain cultivation matrix, entered with nutrient solution
Row crop is cultivated.As long as having certain cultivating device and having certain control measures, crop just energy normal growth, and obtain high yield
Amount.Because raise crop is not to use natural soil, and it is referred to as soilless culture with nutrient solution pouring come cultivation of crops, it is also known as molten
Liquid culture or water planting.The characteristics of soilless culture is the crop root growth environment with artificial creation, substitutes soil environment, it is not only
Needs of the crop to conditions such as nutrient, moisture content, air can be met, and the requirement of a little conditions is controlled by adjusting, to promote to make
Thing preferably grows, and obtains higher yield.However, soilless culture is strict to water quality requirement, especially water planting, because it is not
Being cultivated as soil has buffer capacity, so many constituent contents are all lower than the concentration standard that soil cultivation allows, otherwise will send out
It is raw to poison.With the development of society, present underground water, surface water are uncomfortable by serious pollution, some farmland-use waters
Close soilless culture.The leading indicator of the water standard of soilless culture is conductivity (EC), and whether pH value and harmful substance contents surpass
Mark.Conductivity (EC) is the index of solution salt concentration, is generally represented with milli Siemens (mS).Various salt tolerance of crop are different,
Salt tolerance strong (EC=10mS) such as beet, spinach, wild cabbage class.Salt tolerant is medium (EC=4mS), such as cucumber, Kidney bean, pimento.
The water of soilless culture, pH value is not so high or too low, because typically requirement of the crop to nutrient solution pH value is preferably neutrality, if
Water quality pH value itself is relatively low it is necessary to be adjusted with acid or alkali, has not only wasted medicine but also time consuming.Microorganism and a huge sum of money in water
Category wants strict control, prevents plant disease and heavy metal poisoning.
Therefore, pure natural, the non-harmful water of preparation, for soilless culture, realize the high yield of soilless culture, high-quality,
It is green safe pollution-free, it has also become a kind of inexorable trend of soilless culture development.
At present, typically using running water or reverse-osmosis treated water as soilless culture active water.However, waterworks is general
All it is Local Government Financial subsidy, lacks the technological innovation of key, and human factor causes water quality instability frequency high.For existing
The crucial effect for suppressing and stopping is not had for some microorganisms, virus, chemical pollutant etc..And increase disinfectant dispensing
Although or can restrain the growth of virus and bacterium using, ultraviolet or ozone sterilizing, sterilizing, while also increase sterilization by-product
Thing, the growth to plant are totally unfavorable.It is too big for the filtering technique of some counter-infiltrations and deep layer input and operation cost, much
Beyond government and the tolerance range of ordinarily resident, and water resource waste is huge.
Soilless culture active water of the prior art generally there are following problem：1. heavy metal in water is exceeded；2. water and battalion
Nutrient solution easily grows sick opportunistic pathogen during plant nutrient is supplied, and brings destructive risk to crop, and closing
Corresponding sterilizing equipment decontaminating apparatus is needed in system, investment cost can be increased；3. content of oxygen dissolved in water is low, easily cause the root system of plant
Rot, hinder the growth of plant.
The content of the invention
In order to solve the above-mentioned problems in the prior art, the invention provides one kind using gradient magnetic with adsorbing phase
With reference to method prepare soilless culture active water (nutrient solution) technique.Can effectively be gone out heavy metal in water, realize the green of water
It is pollution-free.The sterilization algae removal of pure physics is effectively carried out to water body, it is pollution-free, have no side effect, increase the dissolubility of water, make nutrients
Matter and oxygen are largely dissolved in the water, and resisting causes rotting for root system of plant because of anoxic in water.
This method operation principle is as follows：
(1) in the presence of high-strength magnetic field, magnetic field has the function that antibacterial and sterilizing.Magnetization sterilization module can produce gradient
Compound disturbed magnetic field, raw water molecule cluster can be untied, cluster water is formed single hydrone state water, so as to help to separate
Impurity, make to be present in various organic matters and inorganic matter inside and outside hydrone cluster and exist with particle or ion free form.In magnetic
Under the direct effect of field, 50%~80% microorganism is dead.
(2) it is different in natural crystal adsorption module, the suction-operated of different ore heavy metal ions.Ore heavy metal
Absorption mechanism Absorptive complex wave two ways mainly echoed by ion-exchange absorption.High intensity gradient magnetic is inhaled with natural crystal
It is attached to produce synergy, substantially increase the adsorption capacity of natural crystal heavy metal.By with the different heavy metal of absorption
Ore is combined, and makes its effectively organic matter, inorganic matter, heavy metal ion and microbiological gum plastid in adsorbed water body
Deng reduction Heavy Metals in Waters and pollutant load.Some ores naturally can dissolve micro mineral matter, supplement the battalion in water
Support material.
(3) research is found, as long as containing 2/1sts milligrams of silver ion in every liter of water, you can is killed most of thin in water
Bacterium.The mechanism of action is the copper of positively charged, the cell table of silver ion and electronegative harmful microorganism (such as bacterium, virus, algae)
Face is combined into electrostatic bond, and the formation of this electrostatic bond changes the permeability of cell membrane, so as to destroy harmful microorganism nutrient
Normal ingestion, so as to cause harmful microbe cell death.
By the water of mineralization, higher (by measure, dissolved oxygen contains for negative oxygen ion, dissolved oxygen content in water body
Amount highest can reach 12mg/L).And water, after magnetization is saturated, when externally-applied magnetic field is cancelled, its magnetization effect will not be stood
Disappear, and meeting relaxation is for a period of time, this is referred to as memory effect.And the water after magnetization, the solubility of water oxygen can increase,
The water of this high-solubility oxygen can continue for some time.
Specially：For the water that water inlet pipe 1 enters in the presence of high-strength magnetic field, graded composite disturbed magnetic field can be by raw water molecule
Cluster is untied, and cluster water is formed single hydrone state water, so as to help to separate impurity, makes to be present in hydrone cluster
Outer various organic matters and inorganic matter exist with particle or ion free form.Under the direct effect in magnetic field, 50%~80%
Microorganism it is dead.In natural crystal adsorption module, the absorption mechanism of natural crystal heavy metal mainly passes through ion exchange
Absorption and Absorptive complex wave two ways.It will be combined with the ore for adsorbing different heavy metals, it is effectively adsorbed water
Organic matter, inorganic matter, heavy metal ion and microbiological gum plastid in body etc., reduce Heavy Metals in Waters and pollutant contains
Amount.Meanwhile some ores naturally can dissolve micro mineral matter, the nutriment in water is supplemented.Copper silver metal net can dissolve
Go out minimal amount of copper, silver ion, and study and find, as long as containing 2/1sts milligrams of silver ion in every liter of water, you can kill
Most of bacterium in water.By the water of mineralization, in water body, negative oxygen ion, dissolved oxygen content are higher (passes through measure, dissolving
The content highest of oxygen can reach 12mg/L).And water is after magnetization is saturated, when externally-applied magnetic field is cancelled, its magnetization effect
It will not disappear immediately, and meeting relaxation is for a period of time, this is referred to as memory effect.So the water after magnetizing again, water oxygen
Solubility can increase, and the water of this high-solubility oxygen can continue for some time.
Described heavy metal is the one or more in mercury, cadmium, arsenic, lead, selenium, chromium or zinc.
Described natural crystal is one or more of combinations in kaolinite, illite or montmorillonite.
Filter material layer in described natural crystal module for kaolinite with montmorillonite according to weight than 2:1 composition.
Filter material layer in described natural crystal module for illite with montmorillonite according to weight than 3:1 composition.
The equipment that one kind prepares soilless culture active water (nutrient solution), set by water inlet pipe, gradient magnetic module, mineral aggregate absorption
Standby, copper, silver metal net, re-activation equipment and outlet pipe are sequentially connected composition, and gradient magnetic module device shell is not using
Rust steel material, activation magnetic stripe form high intensity gradient magnetic.There is re-activation magnetic stripe in re-activation equipment.
Described heavy metal is the one or more in mercury, cadmium, arsenic, lead, selenium, chromium or zinc.
Described natural crystal is one or more of combinations in kaolinite, illite or montmorillonite.
Filter material layer in described natural crystal module for kaolinite with montmorillonite according to weight than 2:1 composition.
Filter material layer in described natural crystal module for illite with montmorillonite according to weight than 3:1 composition.
Beneficial effects of the present invention are as follows：
1st, using pure physically activated technology, without using any chemical agent, no pollution, zero-emission are realized, it is complete to environment
It is harmless.
2nd, the present invention prepares soilless culture active water using gradient magnetic with the processing mode that natural crystal absorption is combined,
Gradient magnetic heavy metal in ore absorption is combined to processing water has extraordinary treatment effect.High intensity gradient magnetic with
Natural crystal is compound to generate cooperative effect to absorption heavy metal.Uniform magnetic field is significantly worse than gradient with natural crystal fiting effect
Magnetic field and ore it is compound.Also, other metal ions are directed to, such as sodium, potassium, calcium, gradient magnetic and the compound of ore are not produced
Raw cooperative effect, its effect is more little than difference with the compound phase of uniform magnetic field and ore, and dissolved oxygen concentration has also obtained significantly
Increase.
3rd, the green plants cultivated is safe, nuisanceless；
4th, the pollution of microorganism is greatly reduced；
5th, the nutriment in water body is supplemented, greatly reduces the dosage of mineral matter.
Brief description of the drawings
Fig. 1 is present invention process schematic flow sheet.Fig. 2 is soilless culture activated water preparation technology figure of the present invention.Such as Fig. 2 institutes
Show, the invention equipment each several part is：1- water inlet pipes；2- gradient magnetics activation sterilization module (shell uses stainless steel)；3-
High intensity magnetic stripe；4- screens, support filler；5- contactors；The natural mineral aggregates of 6-；7- copper, silver metal net；8- re-activation magnetic
；9- weak magnetic magnetic stripes；10- discharge outlet.
Embodiment
Embodiment 1：Compounding high concentration heavy metal ion raw water, current are made to pass through gradient magnetic Activation Module, in high intensity
In the presence of magnetic field, raw water molecule cluster is untied, and cluster water is formed single hydrone state, and in regularly arranged.Gradient magnetic
The water outlet of field module enters filter material layer, and filter material layer is by kaolinite and montmorillonite with percentage by weight 2:1 is formed.Filter material layer is to a huge sum of money
Category is adsorbed, and water is purified.All kinds of indexs of correlation and contrast are shown in Table 1.
Table 1:The soilless culture activity water treatment efficiency of embodiment 1
| Pollutant kind | Raw water | Water outlet | Clearance |
| Mercury (mg/L) | 0.028 | 0.0005 | 98% |
| Cadmium (mg/L) | 0.020 | 0.005 | 75% |
| Arsenic (mg/L) | 0.13 | 0.04 | 69% |
| Lead (mg/L) | 0.1 | 0.03 | 70% |
| Selenium (mg/L) | 0.1 | 0.01 | 90% |
| Chromium (mg/L) | 0.1 | 0.05 | 50% |
| Zinc (mg/L) | 0.50 | 0.18 | 64% |
| Coliform (individual/L) | 2200 | 40 | 98% |
Embodiment 2：Compounding high concentration heavy metal ion raw water, current are made to pass through gradient magnetic Activation Module, in high intensity
In the presence of magnetic field, raw water molecule cluster is untied, and cluster water is formed single hydrone state, and in regularly arranged.Gradient magnetic
The water outlet of field module enters filter material layer, and filter material layer is by illite and montmorillonite with percentage by weight 3:1 is formed.Filter material layer is to a huge sum of money
Category is adsorbed, and water is purified.All kinds of indexs of correlation and contrast are shown in Table 2.
Table 2:The soilless culture activity water treatment efficiency of embodiment 2
| Pollutant kind | Raw water | Water outlet | Clearance |
| Mercury (mg/L) | 0.028 | 0.0005 | 98% |
| Cadmium (mg/L) | 0.020 | 0.004 | 80% |
| Arsenic (mg/L) | 0.13 | 0.03 | 77% |
| Lead (mg/L) | 0.1 | 0.03 | 70% |
| Selenium (mg/L) | 0.1 | 0.01 | 90% |
| Chromium (mg/L) | 0.1 | 0.04 | 60% |
| Zinc (mg/L) | 0.50 | 0.15 | 70% |
| Coliform (individual/L) | 2200 | 20 | 99% |
Comparative example：
Comparative example 1：Current are by general magnetic field (non-gradient, uniform magnetic field) module and adsorption module, i.e., except magnetic field is equal
Outside even magnetic field, remaining flow, condition (including magnetic field intensity is also suitable with the gradient magnetic field strength of embodiment 1) and the phase of embodiment 1
Together.Effluent index is shown in Table 3：
Table 3:The soilless culture activity water treatment efficiency of comparative example 1
Comparative example 2：Compounding high concentration sodium, potassium, calcium ion raw water, current pass through gradient magnetic complex ore filter material layer respectively
(condition is with embodiment 1) and general magnetic field (non-gradient magnetic field, magnetic field intensity are suitable with embodiment 1) complex ore filter material layer
(condition is with comparative example 1).Effluent index is shown in Table 4：
Table 4:The metal ion treatment effect of comparative example 2
From above-described embodiment and comparative example, gradient magnetic heavy metal in ore absorption is combined to processing water has
Extraordinary treatment effect.High intensity gradient magnetic and natural crystal are compound to generate cooperative effect to absorption heavy metal.Uniformly
Magnetic field and natural crystal fiting effect are significantly worse than the compound of gradient magnetic and ore.Also, other metal ions are directed to, such as
Compound no compound phase for producing cooperative effect, its effect and uniform magnetic field and ore of sodium, potassium, calcium, gradient magnetic and ore
It is more little than difference.Microbiological treatment has also reached good treatment effect in soilless culture active water prepared by the present invention, and molten
Solution oxygen concentration is also significantly increased.
Present invention merely illustrates some claimed specific embodiments, one of them or more skill
Described technical characteristic can be combined with arbitrary one or more technical schemes in art scheme, and these are combined and obtain
Technical scheme also in the application protection domain, technical scheme discloses in the present invention just as obtained from these are combined
It is specific in content to record equally.
Claims (10)
1. a kind of method for preparing soilless culture active water, the water that water inlet pipe enters is in the presence of high-strength magnetic field, graded composite
Disturbed magnetic field can untie raw water molecule cluster, cluster water is formed single hydrone state water, so as to help to separate impurity,
Make to be present in various organic matters and inorganic matter inside and outside hydrone cluster with particle or ion free form to exist, in the straight of magnetic field
Connect under effect, 50%~80% microorganism is dead, and water outlet enters natural crystal adsorption module, the suction of natural crystal heavy metal
Random system mainly echos Absorptive complex wave two ways by ion-exchange absorption, and supplements the nutriment in water, copper silver metal
Net can dissolve minimal amount of copper, silver ion, and by the water of mineralization, negative oxygen ion, dissolved oxygen content are higher in water body,
Water is after magnetization is saturated, and when externally-applied magnetic field is cancelled, its magnetization effect will not disappear immediately, and meeting relaxation is for a period of time,
So the water after magnetizing again, the solubility of water oxygen can increase.
2. according to the method for claim 1, described heavy metal is one kind or several in mercury, cadmium, arsenic, lead, selenium, chromium or zinc
Kind.
3. according to the method for claim 1, described natural crystal be kaolinite, illite or montmorillonite in one kind or
Several combinations.
4. according to the method for claim 1, the filter material layer in described natural crystal module is pressed for kaolinite with montmorillonite
According to weight than 2:1 composition.
5. according to the method for claim 1, the filter material layer in described natural crystal module is pressed for illite with montmorillonite
According to weight than 3:1 composition.
6. a kind of equipment for preparing soilless culture active water, it is used for the method for implementing claim 1, by water inlet pipe, gradient magnetic
Field module, natural crystal adsorption module, copper, silver metal net, re-activation equipment and outlet pipe are sequentially connected composition, gradient magnetic
Field module device shell uses stainless steel, and activation magnetic stripe forms high intensity gradient magnetic, had in re-activation equipment secondary
Activate magnetic stripe.
7. equipment according to claim 6, described heavy metal is one kind or several in mercury, cadmium, arsenic, lead, selenium, chromium or zinc
Kind.
8. equipment according to claim 6, described natural crystal be one kind in kaolinite, illite or montmorillonite or
Several combinations.
9. equipment according to claim 6, the filter material layer in described natural crystal module is pressed for kaolinite with montmorillonite
According to weight than 2:1 composition.
10. equipment according to claim 6, the filter material layer in described natural crystal module is pressed for illite with montmorillonite
According to weight than 3:1 composition.
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| CN111825260A (en) * | 2020-05-22 | 2020-10-27 | 西北矿冶研究院 | Regulation and control of selective adsorption of Cu from wastewater by carbon nanotubes2+、Pb2+、Zn2+Method (2) |
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| JP2010269294A (en) * | 2009-05-19 | 2010-12-02 | Kyoji Takada | Method for generating acidic water |
| KR20130036434A (en) * | 2011-10-04 | 2013-04-12 | 김수동 | The manufacturing apparatus of high functional usingactivated water |
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| CN109809621A (en) * | 2019-03-07 | 2019-05-28 | 北京理工水环境科学研究院有限公司 | A kind of processing method containing ammonia-nitrogen sewage |
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| CN111825260A (en) * | 2020-05-22 | 2020-10-27 | 西北矿冶研究院 | Regulation and control of selective adsorption of Cu from wastewater by carbon nanotubes2+、Pb2+、Zn2+Method (2) |
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