CN105815199A - Water circulation use method and system for bean sprout culture - Google Patents
Water circulation use method and system for bean sprout culture Download PDFInfo
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- CN105815199A CN105815199A CN201610160757.6A CN201610160757A CN105815199A CN 105815199 A CN105815199 A CN 105815199A CN 201610160757 A CN201610160757 A CN 201610160757A CN 105815199 A CN105815199 A CN 105815199A
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 226
- 244000046052 Phaseolus vulgaris Species 0.000 title claims abstract description 44
- 235000010627 Phaseolus vulgaris Nutrition 0.000 title claims abstract description 44
- 238000000034 method Methods 0.000 title claims abstract description 30
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims abstract description 89
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 85
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 55
- 239000006004 Quartz sand Substances 0.000 claims abstract description 54
- 238000004659 sterilization and disinfection Methods 0.000 claims abstract description 40
- 229910052799 carbon Inorganic materials 0.000 claims abstract description 19
- 230000007246 mechanism Effects 0.000 claims description 85
- 238000001914 filtration Methods 0.000 claims description 82
- 210000000582 semen Anatomy 0.000 claims description 44
- 230000001276 controlling effect Effects 0.000 claims description 41
- 150000002333 glycines Chemical class 0.000 claims description 26
- 239000007788 liquid Substances 0.000 claims description 26
- 238000000746 purification Methods 0.000 claims description 19
- 239000000835 fiber Substances 0.000 claims description 16
- 230000001105 regulatory effect Effects 0.000 claims description 11
- 230000008520 organization Effects 0.000 claims description 10
- 230000001678 irradiating effect Effects 0.000 claims description 5
- 239000000706 filtrate Substances 0.000 claims description 3
- 235000013311 vegetables Nutrition 0.000 abstract description 2
- 244000068988 Glycine max Species 0.000 abstract 3
- 235000010469 Glycine max Nutrition 0.000 abstract 3
- 238000012258 culturing Methods 0.000 abstract 3
- 240000004922 Vigna radiata Species 0.000 abstract 1
- 235000010721 Vigna radiata var radiata Nutrition 0.000 abstract 1
- 235000011469 Vigna radiata var sublobata Nutrition 0.000 abstract 1
- 230000001954 sterilising effect Effects 0.000 abstract 1
- 239000003651 drinking water Substances 0.000 description 23
- 235000020188 drinking water Nutrition 0.000 description 23
- 239000002245 particle Substances 0.000 description 23
- 229910002651 NO3 Inorganic materials 0.000 description 21
- NHNBFGGVMKEFGY-UHFFFAOYSA-N Nitrate Chemical compound [O-][N+]([O-])=O NHNBFGGVMKEFGY-UHFFFAOYSA-N 0.000 description 21
- 238000009287 sand filtration Methods 0.000 description 16
- 241000196324 Embryophyta Species 0.000 description 14
- 230000000694 effects Effects 0.000 description 11
- 239000000463 material Substances 0.000 description 10
- 239000008213 purified water Substances 0.000 description 10
- IOVCWXUNBOPUCH-UHFFFAOYSA-M Nitrite anion Chemical compound [O-]N=O IOVCWXUNBOPUCH-UHFFFAOYSA-M 0.000 description 9
- 239000000126 substance Substances 0.000 description 9
- 230000000844 anti-bacterial effect Effects 0.000 description 7
- 238000011084 recovery Methods 0.000 description 7
- 244000005700 microbiome Species 0.000 description 5
- 241000700605 Viruses Species 0.000 description 4
- 229910001385 heavy metal Inorganic materials 0.000 description 4
- 150000002500 ions Chemical class 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
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- 231100000719 pollutant Toxicity 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000012360 testing method Methods 0.000 description 3
- ZAMOUSCENKQFHK-UHFFFAOYSA-N Chlorine atom Chemical compound [Cl] ZAMOUSCENKQFHK-UHFFFAOYSA-N 0.000 description 2
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 2
- 230000030833 cell death Effects 0.000 description 2
- 239000000460 chlorine Substances 0.000 description 2
- 229910052801 chlorine Inorganic materials 0.000 description 2
- 238000002474 experimental method Methods 0.000 description 2
- 230000002045 lasting effect Effects 0.000 description 2
- 230000004060 metabolic process Effects 0.000 description 2
- 244000005706 microflora Species 0.000 description 2
- 229910052698 phosphorus Inorganic materials 0.000 description 2
- 239000011574 phosphorus Substances 0.000 description 2
- 239000000049 pigment Substances 0.000 description 2
- 239000002423 protozoacide Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 229920006395 saturated elastomer Polymers 0.000 description 2
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- 230000000153 supplemental effect Effects 0.000 description 2
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- 238000010923 batch production Methods 0.000 description 1
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- 230000001932 seasonal effect Effects 0.000 description 1
- 229930000044 secondary metabolite Natural products 0.000 description 1
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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
-
- 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
- C02F1/02—Treatment of water, waste water, or sewage by heating
-
- 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
- C02F1/283—Treatment of water, waste water, or sewage by sorption using coal, charred products, or inorganic mixtures containing them
-
- 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
- C02F1/72—Treatment of water, waste water, or sewage by oxidation
- C02F1/78—Treatment of water, waste water, or sewage by oxidation with ozone
-
- 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
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2305/00—Use of specific compounds during water treatment
- C02F2305/02—Specific form of oxidant
- C02F2305/023—Reactive oxygen species, singlet oxygen, OH radical
-
- 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
The invention relates to the field of vegetable culture, and discloses a water circulation use method for bean sprout culture. The method comprises the following steps of S1, performing combined sterilization on recycled water through ultraviolet ray/ozone, wherein the recycled water is water for culturing mung bean sprout; S2, sequentially passing the recycled water sterilized in the step S1 through quartz sand and active carbon to be filtered for obtaining pure water used for culturing soybean sprout. When the pure water obtained by the method is used for culturing the soybean sprout in a circulation way, the quality of the soybean sprout cannot be lowered.
Description
Technical field
The present invention relates to vegetable cultivation field, particularly to the method for the water recycling of a kind of bean sprout cultivation.
Background technology
Bean sprout cultivation needs a large amount of trickles, to reach to regulate bean sprout growth temperature, supplement moisture needed for bean sprout growth and get rid of the purpose of the microorganisms such as antibacterial mycete.The enterprise of large-scale production bean sprout is saving water resource at present, reduces production cost, and trickle all can be recycled Posterior circle and use by major part.Containing substantial amounts of Organic substance in recirculated water, mainly the secondary metabolites of secretion during bean sprout growth, also has the part secretions from antibacterial, possibly together with antibacterial mycete in recirculated water, these materials inhibit the normal growth of bean sprout to a certain extent, affect the quality of bean sprout.
The Li Yonghua such as Li Yonghua, Kang Yufan, Tao Liming, Deng. ozone BAC Technology clean-up effect research [J] to batch production bean sprout production recycle-water. China's agronomy circular, 2012,27 (25): 133-137. disclose a kind of technique using ozone biological activated carbon oxidation technology to process bean sprout factorial praluction process recycle-water, and recycle-water passes sequentially through drainage screen, two-layer sand filter, again through being passed through the carbon filter of ozone, it is purified water.The purification water of gained is recycled in bean sprout cultivation, reduces Semen Phaseoli radiati Germinatus and the quality of big bean sprout in various degree.
Summary of the invention
For solving above-mentioned technical problem, the present invention proposes a kind of method that water for bean sprout cultivation recycles, and uses the water obtained of the method to be cycled to used in cultivation Semen Glycines Germinatus and will not reduce the quality of Semen Glycines Germinatus.
On the one hand, the invention provides a kind of method that water for bean sprout cultivation recycles, comprise the following steps:
S1, by recycle-water by ultraviolet/ozone combined disinfection, described recycle-water is the water cultivating Semen Phaseoli radiati Germinatus；
S2, the recycle-water sterilized through S1 step passes sequentially through quartz sand, activated carbon filters, and obtains the purification water for cultivating Semen Glycines Germinatus.
As preferably, in above-mentioned step S1, ultraviolet irradiation dosage is 12～140MJ/cm2, ozone concentration in recycle-water is 0.4～2mg/L.
As preferably, in above-mentioned step S1, ultraviolet irradiation dosage is 40～80MJ/cm2, ozone concentration in recycle-water is 0.6～1.2mg/L.
As preferably, in above-mentioned step S2, recycle-water is 8～15m/h by the initial filtering velocity of quartz sand.
As preferably, in above-mentioned step S2, after quartz sand, activated carbon filter, also include carrying out, by long fibre filter course, the step that filters, be 25～85m/h by the initial filtering velocity of long fibre filter course.
As preferably, in above-mentioned step S2, before being used for cultivating Semen Glycines Germinatus by purification water, also including that regulation purifies the step of the water temperature of water, described water temperature is 5～28 DEG C.
On the other hand, the present invention also provides for a kind of water circulation system for bean sprout cultivation, including:
Recovering mechanism, ultraviolet/ozone combined disinfection mechanism and the first filter mechanism；
Described recovering mechanism cultivates the water of Semen Phaseoli radiati Germinatus for reclaiming；
The inlet of described ultraviolet/ozone combined disinfection mechanism is connected with the liquid outlet of described recovering mechanism, and the liquid outlet of ultraviolet/ozone combined disinfection mechanism is connected with the inlet of described first filter mechanism；
Described first filter mechanism is included quartz sand layer and active carbon layer successively by the direction of inlet to liquid outlet.
As preferably, the above-mentioned water circulation system for bean sprout cultivation, also include that controlling organization, described controlling organization include: ozone concentration detector unit, filtering velocity detector unit, ozone concentration control unit, filtering velocity control unit and ultraviolet control unit；
Described ozone concentration detector unit is the ozone concentration data of liquid in gathering described ultraviolet/ozone combined disinfection mechanism；
Described filtering velocity detector unit is for gathering the first initial filtering velocity data of the liquid by the first filter mechanism；
Described ultraviolet/ozone combined disinfection mechanism is regulated accordingly by described ozone concentration control unit according to described ozone concentration data；
The initial filtering velocity of the first filter mechanism is regulated accordingly by described filtering velocity control unit according to the described first initial filtering velocity data；
Described ultraviolet control unit is used for setting ultraviolet irradiating dose.
As preferably, the described water circulation system for bean sprout cultivation, also include that the second filter mechanism, the filtrate of the second described filter mechanism are long fibre filter course；
The inlet of the second described filter mechanism and the liquid outlet of the first filter mechanism are connected；
Described filtering velocity detector unit is also used for gathering the second initial filtering velocity data of the liquid by the second filter mechanism；
The initial filtering velocity of the second filter mechanism is regulated accordingly by described filtering velocity control unit according to the described second initial filtering velocity.
As preferably, the described water circulation system for bean sprout cultivation, also include that water temperature controlling mechanism, the inlet of described lower water temperature structure and the liquid outlet of the first filter mechanism are connected；Described water temperature controlling mechanism includes water temperature detector unit, water temperature control unit and thermostat units；
Described water temperature detector unit is the temperature data of water in gathering water temperature controlling mechanism；
Described thermostat units is for being heated or cooled the water in water temperature controlling mechanism；
Described water temperature control unit regulates the duty of described thermostat units according to described temperature data.
Relative to prior art, advantages of the present invention is: the recycle-water cultivating Semen Phaseoli radiati Germinatus first passes through UV/ozone combined disinfection, pass sequentially through quartz sand again, activated carbon filters, the produced effect of each step is interrelated, support one another, and produce synergy so that the quality that will not reduce Semen Glycines Germinatus when purifying water for cultivating Semen Glycines Germinatus obtained by the method for the present invention.
Specifically, first recycle-water is through ultraviolet/ozone combined disinfection, one side utilizes the molecular structure of DNA or RNA in ultraviolet damage microflora organisms cell, cause growth cell death and regenerative cell dead, supplemental ozone simultaneously, prevent the microorganism photoreactivation because of ultraviolet disinfection damaged, thus produce lasting, Disinfection Effect thoroughly；On the other hand ozone itself also can kill virus, antibacterial and the protozoacide in water body；Secondly, ozone can become small organic molecule and nitrate with the Organic substance in oxid-reclamatiom water and nitrite so that the pollutant in water are easier to be removed by follow-up filter course, and are not easily blocked filter course, affect filter effect and the rate of filtration.Furthermore, pass sequentially through quartz sand through the recycle-water of combined disinfection, activated carbon filters.Quartz sand retains float, Organic substance, colloidal particles, microorganism, chlorine, part phosphorus, stink and the part heavy metal ion etc. removed in water effectively；Activated carbon can remove the harmful substances such as small organic molecule, colloidal substance, heavy metal ion, pigment, reduce water body chroma, turbidity, owing to combined disinfection effect is thorough, it is to avoid occur secondary pollution to make the situation of the whole water circulation system of pollution such as antibacterial, virus when activated carbon is saturated.And inventor also finds the part nitrate using the method for the present invention can remove in water, reduce the nitrate that when Semen Phaseoli radiati Germinatus is cultivated, metabolism produces.The purification water obtained by the method for the present invention can be reached " drinking water sanitary standard ", and TOC, COD, colourity, turbidity and nitrate content etc. are far smaller than recycle-water.Through experimental verification, the quality of the Semen Glycines Germinatus that the use present invention is cultivated and Drinking Water no significant difference.
Accompanying drawing explanation
The accompanying drawing of the part constituting the present invention is used for providing a further understanding of the present invention, and the schematic description and description of the present invention is used for explaining the present invention, is not intended that inappropriate limitation of the present invention.In the accompanying drawings:
The structural representation of the first detailed description of the invention of the water circulation system that Fig. 1 provides for the present invention.
The structural representation of the second detailed description of the invention of the water circulation system that Fig. 2 provides for the present invention.
The structural representation of the third detailed description of the invention of the water circulation system that Fig. 3 provides for the present invention.
The structural representation of the 4th kind of detailed description of the invention of the water circulation system that Fig. 4 provides for the present invention.
A kind of schematic diagram of the detailed description of the invention of the water circulation system controlling organization that Fig. 5 provides for the present invention.
The schematic diagram of the another kind of detailed description of the invention of the water circulation system controlling organization that Fig. 6 provides for the present invention.
A kind of schematic diagram of the detailed description of the invention of the water temperature controlling mechanism that Fig. 7 provides for the present invention.
Description of reference numerals:
Detailed description of the invention
It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
On the one hand, the invention provides a kind of method that water for bean sprout cultivation recycles, comprise the following steps:
S1, by recycle-water by ultraviolet/ozone combined disinfection, described recycle-water is the water cultivating Semen Phaseoli radiati Germinatus；
S2, the recycle-water sterilized through S1 step passes sequentially through quartz sand, activated carbon filters, and obtains the purification water for cultivating Semen Glycines Germinatus.
Above-mentioned quartz sand, activated carbon can form multiple filter course in the case of not changing filtration order and filter recycle-water.In one embodiment, recycle-water first passes through quartz sand filtration layer, then by activated carbon filter layer, is purified water.In another embodiment, recycle-water first passes through quartz sand filtration layer, then by upper strata be quartz sand, lower floor be the quartz sand/activated carbon filter layer of activated carbon, be purified water finally by activated carbon filter layer.Under conditions of above-mentioned recycle-water passes sequentially through quartz sand, activated carbon, all can reach the technique effect of the present invention.
The recycle-water cultivating Semen Phaseoli radiati Germinatus first passes through UV/ozone combined disinfection, pass sequentially through quartz sand again, activated carbon filters, the produced effect of each step is interrelated, support one another, and produce synergy so that the quality that will not reduce Semen Glycines Germinatus when purifying water for cultivating Semen Glycines Germinatus obtained by the method for the present invention.
Specifically, first recycle-water is through ultraviolet/ozone combined disinfection, one side utilizes the molecular structure of DNA or RNA in ultraviolet damage microflora organisms cell, cause growth cell death and regenerative cell dead, supplemental ozone simultaneously, prevent the microorganism photoreactivation because of ultraviolet disinfection damaged, thus produce lasting, Disinfection Effect thoroughly；On the other hand ozone itself also can kill virus, antibacterial and the protozoacide in water body；Secondly, ozone can become small organic molecule and nitrate with the Organic substance in oxid-reclamatiom water and nitrite so that the pollutant in water are easier to be removed by follow-up filter course, and are not easily blocked filter course, affect filter effect and the rate of filtration.Furthermore, pass sequentially through quartz sand through the recycle-water of combined disinfection, activated carbon filters.Quartz sand retains float, Organic substance, colloidal particles, microorganism, chlorine, part phosphorus, stink and the part heavy metal ion etc. removed in water effectively；Activated carbon can remove the harmful substances such as small organic molecule, colloidal substance, heavy metal ion, pigment, reduce water body chroma, turbidity, owing to combined disinfection effect is thorough, it is to avoid occur secondary pollution to make the situation of the whole water circulation system of pollution such as antibacterial, virus when activated carbon is saturated.And inventor also finds the part nitrate using the method for the present invention can remove in water, reduce the nitrate that when Semen Phaseoli radiati Germinatus is cultivated, metabolism produces.The purification water obtained by the method for the present invention can be reached " drinking water sanitary standard ", and TOC, COD, colourity, turbidity and nitrate content etc. are far smaller than recycle-water.Through experimental verification, the quality of the Semen Glycines Germinatus that the use present invention is cultivated and Drinking Water no significant difference.
As preferably, in above-mentioned step S1, ultraviolet irradiation dosage is 12～140MJ/cm2, ozone concentration in recycle-water is 0.4～2mg/L.
As the preferred version of the present invention, it is demonstrated experimentally that when ultraviolet irradiating dose is 12～140MJ/cm2When ozone concentration in recycle-water is 0.4～2mg/L, purify index no significant differences compared with drinking water such as TOC, COD, colourity, turbidity and nitrate content in water, use the no significant difference that the quality of the Semen Glycines Germinatus that this purification water cultivated also is cultivated with drinking water.
As preferably, in above-mentioned step S1, ultraviolet irradiation dosage is 40～80MJ/cm2, ozone concentration in recycle-water is 0.6～1.2mg/L.
As the preferred version of the present invention, it is demonstrated experimentally that when ultraviolet irradiating dose is 40～80MJ/cm2, when ozone concentration in recycle-water is 0.6～1.2mg/L, purifies the indexs such as TOC, COD, colourity, turbidity and nitrate content in water and be the most slightly better than drinking water, use the quality of the Semen Glycines Germinatus that this purification water cultivated also slightly above drinking water.
As preferably, in above-mentioned step S2, recycle-water is 8～15m/h by the initial filtering velocity of quartz sand.
Preferred version as the present invention, experiment proves, when recycle-water is 8～15m/h by the initial rate of quartz sand, purify index no significant differences compared with drinking water such as TOC, COD, colourity, turbidity and nitrate content in water, use the no significant difference that the quality of the Semen Glycines Germinatus that this purification water cultivated also is cultivated with drinking water.
As preferably, in above-mentioned step S2, after quartz sand, activated carbon filter, also include carrying out, by long fibre filter course, the step that filters, be 25～85m/h by the initial filtering velocity of long fibre filter course.
The nitrate content itself purified in water owing to obtaining through preceding method of the present invention is the lowest, removes nitrate further, even if the most small amount, the most extremely difficult.Long fibre filter course specific surface area is big, and porosity is high, carries out in-depth filtration, effectively reduces the turbidity of water, removes pollutant further, and inventor finds that long fibre filter course can remove the part nitrate in water further in the method for the invention.Preferred version as the present invention, experiment proves, when recycle-water carries out filtering and being 25～85m/h by the initial rate of long fibre filter course also by long fibre filter course, purify the indexs such as TOC, COD, colourity, turbidity, nitrate and content of nitrite in water and be the most slightly better than drinking water, use the quality of the Semen Glycines Germinatus that this purification water cultivated also slightly above drinking water.
As preferably, in above-mentioned step S2, before being used for cultivating Semen Glycines Germinatus by purification water, also including that regulation purifies the step of the water temperature of water, described water temperature is 5～28 DEG C.
There is larger difference in stages different in the cultivating process of bean sprout to the requirement of water temperature, and regulation water temperature is 5～28 DEG C, for the water of the bean sprout offer suitable temperature of different phase, beneficially bean sprout growth, it is thus achieved that the more preferable bean sprout of quality；The temperature of water at normal temperature changes because of seasonal variations simultaneously, and regulation water temperature, so that bean sprout cultivation is used in different seasons water consistent, is conducive to keeping stablizing of bean sprout quality.
On the other hand, the present invention also provides for a kind of water circulation system for bean sprout cultivation, including:
Recovering mechanism 1, ultraviolet/ozone combined disinfection mechanism 2 and the first filter mechanism 3；
Described recovering mechanism 1 is for reclaiming the water cultivating Semen Phaseoli radiati Germinatus；
The inlet 21 of described ultraviolet/ozone combined disinfection mechanism is connected with the liquid outlet of described recovering mechanism, and the liquid outlet 22 of ultraviolet/ozone combined disinfection mechanism is connected with the inlet 31 of described first filter mechanism；
Described first filter mechanism 3 is included quartz sand layer and active carbon layer successively by the direction of inlet 31 to liquid outlet 32.
As preferably, the above-mentioned water circulation system for bean sprout cultivation, also include that controlling organization 4, described controlling organization 4 include: ozone concentration detector unit 41, filtering velocity detector unit 43, ozone concentration control unit 42, filtering velocity control unit 44 and ultraviolet control unit 45；
Described ozone concentration detector unit 41 is the ozone concentration data of liquid in gathering described ultraviolet/ozone combined disinfection mechanism 2；
Described filtering velocity detector unit 43 is for gathering the first initial filtering velocity data of the liquid by the first filter mechanism；
Described ultraviolet/ozone combined disinfection mechanism 2 is regulated accordingly by described ozone concentration control unit 42 according to described ozone concentration data；
The initial filtering velocity of the first filter mechanism 3 is regulated accordingly by described filtering velocity control unit 44 according to the described first initial filtering velocity data；
Described ultraviolet control unit is used for setting ultraviolet irradiating dose.
Described ultraviolet/ozone combined disinfection mechanism 2 is regulated accordingly by above-mentioned ozone concentration control unit 42 according to described ozone concentration data, particularly as follows: ozone concentration data are transmitted to ozone concentration control unit 42 by ozone concentration detector unit 41, ozone concentration data are compared by ozone concentration control unit 42 with the critical field preset, when being not in critical field, ozone concentration control unit 42 controls ultraviolet/ozone combined disinfection mechanism 2 and the generation speed of ozone is increased or decreased, and reaches regulation and reclaims the effect of Measuring Ozone Concentration in Water.
The initial filtering velocity of the first filter mechanism 3 is regulated accordingly by above-mentioned filtering velocity control unit 44 according to the described first initial filtering velocity data, particularly as follows: the first initial filtering velocity data are transmitted to filtering velocity control unit 44 by filtering velocity detector unit 43, first initial filtering velocity data are compared by filtering velocity control unit 44 with the critical field preset, when being not in critical field, filtering velocity control unit 44 controls the first filter mechanism 3 and increases or reduce the first initial filtering velocity.
Above-mentioned controlling organization 4 achieves during water recycles ozone concentration, the isoparametric Automated condtrol of initial filtering velocity.
Further, the above-mentioned water circulation system for bean sprout cultivation, also include that the second filter mechanism 5, the filtrate of the second described filter mechanism are long fibre filter course；
The inlet 51 of the second described filter mechanism is connected with the liquid outlet 32 of the first filter mechanism；
Above-mentioned filtering velocity detector unit 43 is also used for gathering the second initial filtering velocity data of the liquid by the second filter mechanism 5；
The initial filtering velocity of the second filter mechanism 5 is regulated accordingly by above-mentioned filtering velocity control unit 44 according to the described second initial filtering velocity.
The initial filtering velocity of the second filter mechanism 5 is regulated accordingly by above-mentioned filtering velocity control unit 44 according to the described second initial filtering velocity, particularly as follows: the second initial filtering velocity data are transmitted to filtering velocity control unit 44 by filtering velocity detector unit 43, second initial filtering velocity data are compared by filtering velocity control unit 44 with the critical field preset, when being not in critical field, filtering velocity control unit 44 controls the second filter mechanism 5 and increases or reduce the second initial filtering velocity.
As preferably, the above-mentioned water circulation system for bean sprout cultivation, also include that water temperature controlling mechanism 6, the inlet 61 of described lower water temperature structure are connected with the liquid outlet 32 of the first filter mechanism；Described water temperature controlling mechanism includes water temperature detector unit 63, water temperature control unit 64 and thermostat units 65；
Described water temperature detector unit 63 temperature data of water in gathering water temperature controlling mechanism 6；
Described thermostat units 65 is for being heated or cooled the water in water temperature controlling mechanism 6；
Described water temperature control unit 64 regulates the duty of described thermostat units 65 according to described temperature data.
Above-mentioned water temperature control unit 64 regulates the duty of described thermostat units 65 according to described temperature data, particularly as follows: water temperature detector unit 63 collecting temperature data be transferred to water temperature control unit 64, temperature data is compared by water temperature control unit 64 with the critical field preset, when being not in critical field, water temperature control unit 64 controls thermostat units 65 and water is heated or cooled.
When above-mentioned water circulation system includes described water temperature controlling mechanism 6 and described second filter mechanism 5 simultaneously, the inlet 51 of the second filter mechanism is connected with the liquid outlet 32 of the first filter mechanism, and the inlet 61 of liquid outlet 52 water temperature controlling mechanism of the second filter mechanism is connected.
Above-mentioned water temperature controlling mechanism 6 achieves the Automated condtrol to water temperature.
Hereinafter take embodiment that technical scheme is further described.It should be noted that in the case of not conflicting, the embodiment in the present invention and the feature in embodiment can be mutually combined.
Equipment used in following embodiment, material, reagent etc., if no special instructions, the most commercially obtain.Wherein, ozone generating-device is purchased from the permanent bright pump equipment manufacturing in Taixing City, model QHW-160；Apparatus for ultraviolet disinfection is purchased from Kangche Water Purifying Equipment Co., Ltd., Shenzhen City, model KCW；Long fibre filtering material is purchased from Yixing City Su You environment-friendly filler company limited.
Embodiment 1
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 12MJ/cm2, ozone concentration in recycle-water is 2mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 8m/h.Filtration completes to be purified water.
Embodiment 2
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 140MJ/cm2, ozone concentration in recycle-water is 0.4mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 15m/h.Filtration completes to be purified water.
Embodiment 3
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 40MJ/cm2, ozone concentration in recycle-water is 1.2mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 12m/h.Filtration completes to be purified water.
Embodiment 4
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 80MJ/cm2, ozone concentration in recycle-water is 0.6mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 12m/h.Filtration completes to be purified water.
Embodiment 5
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 10MJ/cm2, ozone concentration in recycle-water is 2.5mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 7m/h.Filtration completes to be purified water.
Embodiment 6
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 80MJ/cm2, ozone concentration in recycle-water is 0.6mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 12m/h.
4, again water being passed through long fibre filter course, controlling initial filtering velocity is 25m/h, has filtered and has been purified water.
Embodiment 7
1, the Water Sproading of Semen Phaseoli radiati Germinatus will be cultivated, be placed in recovery sump.
2, by ultraviolet/ozone combination plant, recycle-water being carried out combined disinfection, controlling ultraviolet irradiation dosage is 80MJ/cm2, ozone concentration in recycle-water is 0.6mg/L.
3, Jiang Shui is passed through quartz sand filtration equipment and filters, and quartz sand layer is made up of particle diameter 1.2～2.4mm, the quartz sand of thickness 500mm.Again by activated carbon filter plant, active carbon layer by particle diameter be 0.6～2.75mm, thickness be the activated-carbon filter bed of material of 700mm and particle diameter be 3～8mm, thickness be that the active carbon layer of 700mm forms.The initial filtering velocity controlling to be passed through quartz sand filtration equipment is 12m/h.
4, again water being passed through long fibre filter course, controlling initial filtering velocity is 85m/h, has filtered and has been purified water.
Detecting the purification water of embodiment 1～6 gained, its testing result is as follows:
From testing result, COD, TOC of the purification water that embodiment 1,2 is obtained and the indices such as nitrate, nitrite and Drinking Water no significant difference.The indices of embodiment 3,4 is the most slightly better than Drinking Water.The indices of embodiment 6 is superior to Drinking Water.Embodiment 5 purify COD, TOC of water and nitrate, content of nitrite is far smaller than recycle-water, a little higher than Drinking Water.
The water that purifies of embodiment 1～6 gained is used for after homoiothermic step the cultivation of Semen Glycines Germinatus, and the Quality Detection result of the Semen Glycines Germinatus cultivated is as follows:
From testing result, the quality no significant difference of the Semen Glycines Germinatus that the Semen Glycines Germinatus that the purification water of embodiment 1,2 is cultivated is cultivated with Drinking Water.Embodiment 5 purify the quality of Semen Glycines Germinatus and the length at each position and Drinking Water also no significant difference that water cultivated, but nitrate and a little higher than drinking water of content of nitrite, but its nitrate content is still below the 432mg/kg that World Health Organization (WHO) specifies, content of nitrite, less than the 4mg/kg of regulation, meets safety criterion.The quality of the bean sprout that the purification water planting of embodiment 3,4 gained is educated is slightly above drinking water, nitrate and content of nitrite and is slightly below the bean sprout that drinking water is cultivated.The quality of the Semen Glycines Germinatus that the purification water planting of embodiment 6 gained is educated is higher than drinking water, and nitrate, content of nitrite are less than drinking water.Generally, the purification water obtained by the method for the present invention is cycled to used in cultivation Semen Glycines Germinatus, will not reduce the quality of Semen Glycines Germinatus.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all within the spirit and principles in the present invention, any modification, equivalent substitution and improvement etc. made, should be included within the scope of the present invention.
Claims (10)
1. the method that the water for bean sprout cultivation recycles, it is characterised in that comprise the following steps:
S1, by recycle-water by ultraviolet/ozone combined disinfection, described recycle-water is the water cultivating Semen Phaseoli radiati Germinatus；
S2, the recycle-water sterilized through S1 step passes sequentially through quartz sand, activated carbon filters, and obtains the purification water for cultivating Semen Glycines Germinatus.
2. the method that the water for bean sprout cultivation as claimed in claim 1 recycles, it is characterised in that in described step S1, ultraviolet irradiation dosage is 12～140MJ/cm2, ozone concentration in recycle-water is 0.4～2mg/L.
3. the method that the water for bean sprout cultivation as claimed in claim 1 recycles, it is characterised in that in described step S1, ultraviolet irradiation dosage is 40～80MJ/cm2, ozone concentration in recycle-water is 0.6～1.2mg/L.
4. the method that the water for bean sprout cultivation as claimed in claim 1 recycles, it is characterised in that in described step S2, recycle-water is 8～15m/h by the initial filtering velocity of quartz sand.
5. the method that the water for bean sprout cultivation as claimed in claim 1 recycles, it is characterized in that, in described step S2, after quartz sand, activated carbon filter, also include carrying out, by long fibre filter course, the step that filters, be 25～85m/h by the initial filtering velocity of long fibre filter course.
6. the method that the water for bean sprout cultivation as claimed in claim 1 recycles, it is characterised in that in described step S2, before purification water is used for cultivating Semen Glycines Germinatus, also includes that regulation purifies the step of the water temperature of water, and described water temperature is 5～28 DEG C.
7. the water circulation system for bean sprout cultivation, it is characterised in that including:
Recovering mechanism, ultraviolet/ozone combined disinfection mechanism and the first filter mechanism；
Described recovering mechanism cultivates the water of Semen Phaseoli radiati Germinatus for reclaiming；
The inlet of described ultraviolet/ozone combined disinfection mechanism is connected with the liquid outlet of described recovering mechanism, and liquid outlet is connected with the inlet of described first filter mechanism；
Described first filter mechanism is included quartz sand layer and active carbon layer successively by the direction of inlet to liquid outlet.
8. the water circulation system for bean sprout cultivation as claimed in claim 7, it is characterized in that, also include that controlling organization, described controlling organization include: ozone concentration detector unit, filtering velocity detector unit, ozone concentration control unit, filtering velocity control unit and ultraviolet control unit；
Described ozone concentration detector unit is the ozone concentration data of liquid in gathering described ultraviolet/ozone combined disinfection mechanism；
Described filtering velocity detector unit is for gathering the first initial filtering velocity data of the liquid by the first filter mechanism；
Described ozone concentration control unit regulates in described ultraviolet/ozone combined disinfection mechanism accordingly according to described ozone concentration data；
The initial filtering velocity of the first filter mechanism is regulated accordingly by described filtering velocity control unit according to the described first initial filtering velocity data；
Described ultraviolet control unit is used for setting ultraviolet irradiating dose.
9. the water circulation system for bean sprout cultivation as claimed in claim 8, it is characterised in that also include that the second filter mechanism, the filtrate of the second described filter mechanism are long fibre filter course；
The inlet of the second described filter mechanism and the liquid outlet of the first filter mechanism are connected；
Described filtering velocity detector unit is also used for gathering the second initial filtering velocity data of the liquid by the second filter mechanism；
The initial filtering velocity of the second filter mechanism is regulated accordingly by described filtering velocity control unit according to the described second initial filtering velocity.
10. the water circulation system for bean sprout cultivation as claimed in claim 7, it is characterised in that also include that water temperature controlling mechanism, the inlet of described lower water temperature structure and the liquid outlet of the first filter mechanism are connected；Described water temperature controlling mechanism includes water temperature detector unit, water temperature control unit and thermostat units；
Described water temperature detector unit is the temperature data of water in gathering water temperature controlling mechanism；
Described thermostat units is for being heated or cooled the water in water temperature controlling mechanism；
Described water temperature control unit regulates the duty of described thermostat units according to described temperature data.
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