CN103238765A - Food purifying system with dual-frequency ultrasonic system and hydroxyl radical generator - Google Patents
Food purifying system with dual-frequency ultrasonic system and hydroxyl radical generator Download PDFInfo
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- CN103238765A CN103238765A CN2013101735547A CN201310173554A CN103238765A CN 103238765 A CN103238765 A CN 103238765A CN 2013101735547 A CN2013101735547 A CN 2013101735547A CN 201310173554 A CN201310173554 A CN 201310173554A CN 103238765 A CN103238765 A CN 103238765A
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Abstract
The invention discloses a food purifying system with a dual-frequency ultrasonic system and a hydroxyl radical generator. The food purifying system comprises a cleaning water tank, a water pump, the ultrasonic system, the hydroxyl radical generator and a photocatalyst, wherein the cleaning water tank and the water pump are both provided with water inlets and water outlets; the hydroxyl radical generator, the cleaning water tank and the water pump are connected to form a closed circulation loop through pipelines; the ultrasonic system, the hydroxyl radical generator and the photocatalyst are arranged in the cleaning water tank; and the photocatalyst is a nano titanium oxide coating and is uniformly sprayed on the surface of the cleaning water tank and provided with an ultraviolet light source. The food purifying system has the advantages of high efficiency, environment-friendly electrode coating, high corrosion resistance and high cost performance.
Description
One, technical field
The present invention relates to a kind of dual-frequency ultrasonic wave, hydroxyl radical generator food cleaning system.
Two, background technology
At present food purification apparatus exists system effectiveness not high, and the not enough environmental protection of electrode coating, corrosion resistance insufficient strength height, cost performance be problem such as high inadequately.
Three, summary of the invention
The invention discloses a kind of dual-frequency ultrasonic wave, hydroxyl radical generator food cleaning system, it is characterized in that: comprise cleaning sink, water pump, ultrasonic system, hydroxyl radical generator, photocatalyst; Described cleaning sink and water pump all are provided with water inlet and delivery port, and hydroxyl radical generator, cleaning sink and water pump connect into the closed loop by pipeline; Be provided with ultrasonic system, hydroxyl radical generator, photocatalyst in the described cleaning sink; Photocatalyst is nanometer titania coating, evenly is sprayed at the cleaning sink surface, is provided with ultraviolet light source;
Nanometer titania coating consists of: 0.9～3.1% nano titanium oxide, 0.001～0.1% calgon, 29～36% are silicate, 1.8～5.3% inorganic solidification agents in the waterglass, and all the other are water; With crystal formation be Detitanium-ore-type be main Nano titanium dioxide add calgon do behind the dispersant with waterglass with sand milling be uniformly dispersed mix after, add inorganic solidification agent again and mix after make coating;
Hydroxyl radical generator is made of negative electrode, anode and the Bipolar Membrane that is positioned in the middle of the anode and cathode, produces hydroxyl radical free radical; Form catholyte compartment between Bipolar Membrane and the negative electrode, and form anolyte compartment between the anode, the outer end of anode and negative electrode is connected with the both positive and negative polarity of dc source respectively; Adopt the single-side electrode of flat structure, parallel to each other between this negative electrode, anode and the Bipolar Membrane, catholyte and anolyte are water; Be respectively arranged with former water water inlet pipe, catholyte outlet pipe and anolyte outlet pipe on the hydroxyl radical free radical out-pile shell end face;
Cathode base adopts titanium-base, electrode surface plating nano strontium titanate;
Anode substrate is titanium-base, the electrode surface gold,platinized;
A kind of preparation method of nano strontium titanate is: 1. with the water-soluble A liquid that makes of water-soluble strontium salt; 2. titanate esters/titanium alkoxide is dissolved in and makes B liquid in the fatty alcohol solvent; 3. under the strong agitation condition, incessantly A liquid is dropwise added in the B liquid, add until the A drop, continue again to stir 3-15 minutes; To forming white homogeneous gel; 4. treat that the aging surface of gel separates out fatty alcohol solvent and water, the heat treatment of gel sintering can be made the nano strontium titanate powder.
Nano strontium titanate has advantages such as dielectric constant height, dielectric loss are low, Heat stability is good, high compressive resistance; Simultaneously, have characteristics such as energy gap height (3. 2eV), photocatalytic activity be good as a kind of functional material nano strontium titanate, and have unique electromagnetic property and redox catalysis activity and also be applied in photocatalysis field such as photocatalytic hydrogen production by water decomposition, photocatalysis degradation organic contaminants.
Platinum, nano strontium titanate layer electrodes have environmental protection, corrosion resistance intensity height, advantage that efficient is high.
Ultrasonic system is made up of supersonic generator, ultrasonic transducer; Supersonic generator connects the ultrasonic wave vibration plate by holding wire, and described ultrasonic wave vibration plate is simultaneously installed ultrasonic transducer and sealing; Ultrasonic transducer sends the ultrasonic wave of two groups of different frequencies, formation has synergistic dual-frequency ultrasonic wave, two groups of frequency of ultrasonic are controlled respectively in 20-40KHz and two height sections of 1.0-3.0MHz, and the sound intensity is controlled respectively at 0.1-1.75W/cm2 and 0.1-0.85W/cm2; Make volatile contaminant in food and the water by the ultrasonic wave stripping, finish purified treatment.
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump.
The cleaning sink material is 304 wire drawing stainless steels;
Sheathing material is the polyvinyl chloride nano plastics;
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump.
The present invention has the system effectiveness height, electrode coating environmental protection, corrosion resistance intensity height, the advantage that cost performance is high.
The water catalyst is raw material with water, by high energy particle shower bombardment hydrone, generate big water gaging catalytic control functional group, kill various pathogenic microorganisms (bacterium, virus, parasite etc.) fast, chemical residuals such as efficient degradation agricultural chemicals, hormone, antibiotic, and can be reduced to water rapidly, the collaborative water catalyst of ultrasonic system efficiently purifies.
Four, description of drawings
Fig. 1 is the structure chart of a kind of dual-frequency ultrasonic wave, hydroxyl radical generator food cleaning system.
Five, the specific embodiment
In Fig. 1,1: photocatalyst; 2: ultraviolet light source; 3: hydroxyl radical generator; 4: water pump; 5: ultrasonic system; Dual-frequency ultrasonic wave, hydroxyl radical generator food cleaning system is characterized in that: comprise cleaning sink, water pump, ultrasonic system, hydroxyl radical generator, photocatalyst; Described cleaning sink and water pump all are provided with water inlet and delivery port, and hydroxyl radical generator, cleaning sink and water pump connect into the closed loop by pipeline; Be provided with ultrasonic system, hydroxyl radical generator, photocatalyst in the described cleaning sink; Photocatalyst is nanometer titania coating, evenly is sprayed at the cleaning sink surface, is provided with ultraviolet light source; Nanometer titania coating consists of: 0.9～3.1% nano titanium oxide, 0.001～0.1% calgon, 29～36% are silicate, 1.8～5.3% inorganic solidification agents in the waterglass, and all the other are water; With crystal formation be Detitanium-ore-type be main Nano titanium dioxide add calgon do behind the dispersant with waterglass with sand milling be uniformly dispersed mix after, add inorganic solidification agent again and mix after make coating; Hydroxyl radical generator is made of negative electrode, anode and the Bipolar Membrane that is positioned in the middle of the anode and cathode, produces hydroxyl radical free radical; Form catholyte compartment between Bipolar Membrane and the negative electrode, and form anolyte compartment between the anode, the outer end of anode and negative electrode is connected with the both positive and negative polarity of dc source respectively; Adopt the single-side electrode of flat structure, parallel to each other between this negative electrode, anode and the Bipolar Membrane, catholyte and anolyte are water; Be respectively arranged with former water water inlet pipe, catholyte outlet pipe and anolyte outlet pipe on the hydroxyl radical free radical out-pile shell end face;
Cathode base adopts titanium-base, electrode surface plating nano strontium titanate;
Anode substrate is titanium-base, the electrode surface gold,platinized;
A kind of preparation method of nano strontium titanate is: 1. with the water-soluble A liquid that makes of water-soluble strontium salt; 2. titanate esters/titanium alkoxide is dissolved in and makes B liquid in the fatty alcohol solvent; 3. under the strong agitation condition, incessantly A liquid is dropwise added in the B liquid, add until the A drop, continue again to stir 7 minutes; To forming white homogeneous gel; 4. treat that the aging surface of gel separates out fatty alcohol solvent and water, the heat treatment of gel sintering can be made the nano strontium titanate powder.
Ultrasonic system is made up of supersonic generator, ultrasonic transducer; Supersonic generator connects the ultrasonic wave vibration plate by holding wire, and described ultrasonic wave vibration plate is simultaneously installed ultrasonic transducer and sealing; Ultrasonic transducer sends the ultrasonic wave of two groups of different frequencies, forms to have synergistic dual-frequency ultrasonic wave, and two groups of frequency of ultrasonic are controlled respectively in 35KHz and two height sections of 2.2MHz, and the sound intensity is controlled respectively at 1.5W/cm2 and 0.65W/cm2; Make volatile contaminant in food and the water by the ultrasonic wave stripping, finish purified treatment.
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump.
The cleaning sink material is 304 wire drawing stainless steels;
Sheathing material is the polyvinyl chloride nano plastics;
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump.
Claims (1)
1. a dual-frequency ultrasonic wave, hydroxyl radical generator food cleaning system is characterized in that: comprise cleaning sink, water pump, ultrasonic system, hydroxyl radical generator, photocatalyst; Described cleaning sink and water pump all are provided with water inlet and delivery port, and hydroxyl radical generator, cleaning sink and water pump connect into the closed loop by pipeline; Be provided with ultrasonic system, hydroxyl radical generator, photocatalyst in the described cleaning sink; Photocatalyst is nanometer titania coating, evenly is sprayed at the cleaning sink surface, is provided with ultraviolet light source;
Nanometer titania coating consists of: 0.9～3.1% nano titanium oxide, 0.001～0.1% calgon, 29～36% are silicate, 1.8～5.3% inorganic solidification agents in the waterglass, and all the other are water; With crystal formation be Detitanium-ore-type be main Nano titanium dioxide add calgon do behind the dispersant with waterglass with sand milling be uniformly dispersed mix after, add inorganic solidification agent again and mix after make coating;
Hydroxyl radical generator is made of negative electrode, anode and the Bipolar Membrane that is positioned in the middle of the anode and cathode, produces hydroxyl radical free radical; Form catholyte compartment between Bipolar Membrane and the negative electrode, and form anolyte compartment between the anode, the outer end of anode and negative electrode is connected with the both positive and negative polarity of dc source respectively; Adopt the single-side electrode of flat structure, parallel to each other between this negative electrode, anode and the Bipolar Membrane, catholyte and anolyte are water; Be respectively arranged with former water water inlet pipe, catholyte outlet pipe and anolyte outlet pipe on the hydroxyl radical free radical out-pile shell end face;
Cathode base adopts titanium-base, electrode surface plating nano strontium titanate;
Anode substrate is titanium-base, the electrode surface gold,platinized;
A kind of preparation method of nano strontium titanate is: 1. with the water-soluble A liquid that makes of water-soluble strontium salt; 2. titanate esters/titanium alkoxide is dissolved in and makes B liquid in the fatty alcohol solvent; 3. under the strong agitation condition, incessantly A liquid is dropwise added in the B liquid, add until the A drop, continue again to stir 3-15 minutes; To forming white homogeneous gel; 4. treat that the aging surface of gel separates out fatty alcohol solvent and water, the heat treatment of gel sintering can be made the nano strontium titanate powder;
Ultrasonic system is made up of supersonic generator, ultrasonic transducer; Supersonic generator connects the ultrasonic wave vibration plate by holding wire, and described ultrasonic wave vibration plate is simultaneously installed ultrasonic transducer and sealing; Ultrasonic transducer sends the ultrasonic wave of two groups of different frequencies, formation has synergistic dual-frequency ultrasonic wave, two groups of frequency of ultrasonic are controlled respectively in 20-40KHz and two height sections of 1.0-3.0MHz, and the sound intensity is controlled respectively at 0.1-1.75W/cm2 and 0.1-0.85W/cm2; Make volatile contaminant in food and the water by the ultrasonic wave stripping, finish purified treatment;
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump;
The cleaning sink material is 304 wire drawing stainless steels;
Sheathing material is the polyvinyl chloride nano plastics;
Control panel connects the singlechip controller input, and singlechip controller is controlled hydroxyl radical generator, ultrasonic system, water pump.
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| CN2013101735547A CN103238765A (en) | 2013-05-13 | 2013-05-13 | Food purifying system with dual-frequency ultrasonic system and hydroxyl radical generator |
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| CN2013101735547A CN103238765A (en) | 2013-05-13 | 2013-05-13 | Food purifying system with dual-frequency ultrasonic system and hydroxyl radical generator |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103656957A (en) * | 2013-12-13 | 2014-03-26 | 长沙安迪生物科技有限公司 | Device and method for degrading pesticide residues in traditional Chinese medicinal materials |
| CN105231764A (en) * | 2015-11-12 | 2016-01-13 | 中装环境科技（天津）有限公司 | Tea leaf purifier |
| CN106509594A (en) * | 2017-01-05 | 2017-03-22 | 上海禹清环境技术有限公司 | Cleaning sterilizing machine and sterilizing method |
| CN108968107A (en) * | 2018-06-19 | 2018-12-11 | 马鞍山市潇逸电子科技有限公司 | A kind of efficient food materials purification system |
| CN110393159A (en) * | 2019-08-19 | 2019-11-01 | 东北农业大学 | A kind of egg cleaning and sterilization method based on the micro-nano bubbler techniques of supersonic synergic |
| CN111072102A (en) * | 2020-01-09 | 2020-04-28 | 中山市益孚生物科技有限公司 | Ultrasonic wave disinfection tap |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103656957A (en) * | 2013-12-13 | 2014-03-26 | 长沙安迪生物科技有限公司 | Device and method for degrading pesticide residues in traditional Chinese medicinal materials |
| CN105231764A (en) * | 2015-11-12 | 2016-01-13 | 中装环境科技（天津）有限公司 | Tea leaf purifier |
| CN106509594A (en) * | 2017-01-05 | 2017-03-22 | 上海禹清环境技术有限公司 | Cleaning sterilizing machine and sterilizing method |
| CN108968107A (en) * | 2018-06-19 | 2018-12-11 | 马鞍山市潇逸电子科技有限公司 | A kind of efficient food materials purification system |
| CN110393159A (en) * | 2019-08-19 | 2019-11-01 | 东北农业大学 | A kind of egg cleaning and sterilization method based on the micro-nano bubbler techniques of supersonic synergic |
| CN111072102A (en) * | 2020-01-09 | 2020-04-28 | 中山市益孚生物科技有限公司 | Ultrasonic wave disinfection tap |
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Application publication date: 20130814 |