CN102415836A - Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling - Google Patents

Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling Download PDF

Info

Publication number
CN102415836A
CN102415836A CN2011104041647A CN201110404164A CN102415836A CN 102415836 A CN102415836 A CN 102415836A CN 2011104041647 A CN2011104041647 A CN 2011104041647A CN 201110404164 A CN201110404164 A CN 201110404164A CN 102415836 A CN102415836 A CN 102415836A
Authority
CN
China
Prior art keywords
fruits
vegetables
ultrasonic wave
oxygen
inner bag
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN2011104041647A
Other languages
Chinese (zh)
Inventor
祁晓月
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Beijing Jiaotong University
Original Assignee
Beijing Jiaotong University
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Beijing Jiaotong University filed Critical Beijing Jiaotong University
Priority to CN2011104041647A priority Critical patent/CN102415836A/en
Publication of CN102415836A publication Critical patent/CN102415836A/en
Pending legal-status Critical Current

Links

Images

Abstract

The invention discloses a method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling. The method comprises the following steps of: adding water into a cleaning tank (1) or an inner container (2) of a fruit/vegetable cleaning device, putting the fruit/vegetable to be cleaned on a porous carrier plate (4), and adjusting the height of the porous carrier plate (4) to completely immersing the fruit/vegetable to be cleaned in the water; introducing oxygen and/or air into the inner container (2) through the porous carrier plate (4) to produce many bubbles, so that the oxygen and/or air can be completely dissolved in the water; and opening an ultrasonic generator; opening an ultraviolet light source (3) through the control of a controller, wherein ultraviolet light emitted by the ultraviolet light source (3) illuminates a photocatalyst film of the inner container (2), and many hydroxyl radicals OH<-> and negative oxygen ion radicals O<2-> can be produced in the water through the synergistic effect of ultrasonic, photocatalysis and the oxygen to oxidize and degrade pesticide residues on surfaces of the fruit/vegetable. When the method is adopted, degradation efficiency of the pesticide residues on the surfaces of the fruit/vegetable can reach 40%-70%.

Description

Ultrasonic wave-photocatalysis coupled fruits and vegetables cleaning method
Technical field
The present invention relates to the degradation technique field of residues of pesticides, particularly a kind of ultrasonic wave-photocatalysis coupled fruits and vegetables cleaning method.
Background technology
At present, China has become second largest in the world agricultural chemicals and has used state.Concerning growth period short vegetables, melon and fruit,, use agricultural chemicals very general because insect pest is many.Excessive use agricultural chemicals causes the residues of pesticides phenomenon that exceeds standard day by day to increase the weight of.In " the garden stuff pesticide residue ranking list in 2011 " of U.S. environment working group (EWG) issue, apple occupies first of the maximum fruits and vegetables list of residues of pesticides, and this indicates that fully it is global problem that garden stuff pesticide residue exceeds standard.Residues of pesticides work the mischief not only for the healthy of people, also are simultaneously the bottlenecks of the export of farm produce such as restriction China fruits and vegetables.
For solving the garden stuff pesticide residue problem, need people before edible, fruits and vegetables to be cleaned up.The fruit-vegetable cleaner of prior art mainly produces the purpose that ozone molecule reaches the virus killing sterilization through high pressure.Excessive ozone has injury effect to health, and the work of this fruit-vegetable cleaner the time has nitrogen oxide generate easily.The nitrogen oxide molecular structure stabilized is difficult for decomposing, and is a kind of carcinogen, is seriously threatening human health.For example, the ozone that patent CN201001659 produces ozone generator imports in the water of fruits and vegetables purification tank, forms the Ozone Water with oxidation, thereby decomposes garden stuff pesticide residue, and the kill harmful microorganism effectively purifies fruits and vegetables; Patent CN201163986 adopts the method for ozone oxidation and photocatalysis combination, has realized the purpose of oxidative degradation organic pollution.
The fruits and vegetables cleaning device of prior art uses ozone oxidation method mostly, can't eliminate injury and the threat of excessive ozone to health, and the degradation efficiency of residues of pesticides is low, can't realize the automation and the serialization cleaning of fruits and vegetables in enormous quantities.To commercially available fruit-vegetable cleaner, ozone Professional Committee of Chinese industrial economy federation director Wang Shiwen representes that fruit-vegetable cleaner in the market mainly is to use ozone " virus killing sterilization ".Though ozone effect in this respect is remarkable, this is meant " big ozone " that quality, concentration are higher more, and the virus killing sterilization efficacy that price is crossed 1,000,000 big ozone machine is not that the limited small-sized household ozone machine of ozone output, concentration can be mentioned in the same breath.Chinese Academy of Sciences's agricultural product security and the red expression of environmental quality monitoring Chief of Centre Wang Yan; Experiment for many years proves; Fruit-vegetable cleaner can be removed the residual agricultural chemicals of some fruit and vegetable surfaces really; And ozone concentration is high more, and it is good more to remove the toxic effect fruit, but the removal power of family expenses machine also just about 10% to 20% (" Beijing Youth Daily " on December 26th, 2010).
Summary of the invention
The purpose of this invention is to provide a kind of ultrasonic wave-photocatalysis coupled fruits and vegetables cleaning method.
Ultrasonic wave provided by the invention-photocatalysis coupled fruits and vegetables cleaning method comprises the steps:
In the cleaning case of fruits and vegetables cleaning device or inner bag, add entry, the fruits and vegetables that needs are cleaned are placed on the porous supporting plate, and the height of regulating said porous supporting plate makes the fruits and vegetables that need to clean be immersed in the water fully;
Oxygen and/or air are incorporated in the said inner bag and produce great amount of bubbles through said porous supporting plate, make oxygen and/or air fully be dissolved in the water;
Open supersonic generator;
Ultraviolet source is opened in control through controller; The ultraviolet light that said ultraviolet source sends sees through light inlet window and shines on the photocatalyst film of said inner bag, and the synergy of ultrasonic wave, photocatalysis and oxygen makes and produces a large amount of hydroxyl radical free radical OH and negative oxygen ion free radical O in the water 2 -, so that the residues of pesticides oxidative degradation of fruit and vegetable surfaces.
Preferably, the operating frequency of said supersonic generator is 10-1000kHz, and the ultrasonic wave sound intensity that it sends is 1-100Wcm -2
Preferably, the ultraviolet light wavelength sent of said ultraviolet source is 100-400nm.
Preferably, through the gas transmission conduit oxygen and/or air are incorporated in the said inner bag through said porous supporting plate from source of the gas, the feeding amount of oxygen and/or air is 10-50sccm.
Preferably, the temperature of water is 20-50 ℃ in said cleaning case or the said inner bag.
Preferably, the time of said method cleaning fruits and vegetables needs is 10-30 minute.
Preferably, regulate the height of said porous supporting plate through adjustable support.
Preferably, make the oxygen and/or the air that are incorporated in the said inner bag produce a large amount of bubbles through aperture on the said porous supporting plate and/or micro porous aeration head.
Preferably, control the motion of the power and the said adjustable support of said supersonic generator through said controller.
The present invention has following beneficial effect:
(1) said fruits and vegetables cleaning method does not need ozone, has eliminated ozone in use to human body and the issuable harm of environment;
(2) under the situation of not adding any chemical; Said fruits and vegetables cleaning method utilizes the synergy of ultrasonic wave, photocatalysis and oxygen to realize the purpose of degraded garden stuff pesticide residue; Both improved the degradation efficiency of residues of pesticides; Reduced harm again effectively, realized green cleaning human body and environment;
(3) said fruits and vegetables cleaning method both had been applicable to the cleaning of a small amount of fruits and vegetables in the family, was applicable to the automation and the serialization cleaning of fruits and vegetables in enormous quantities again;
(4) adopt said fruits and vegetables cleaning method, the degradation rate of fruit and vegetable surfaces residues of pesticides can reach 40%-70%.
Description of drawings
Fig. 1 is the ultrasonic wave-cleaning case of photocatalysis coupled fruits and vegetables cleaning device and the sketch map of internal part thereof of the embodiment of the invention 1;
Fig. 2 is the ultrasonic wave-cleaning case of photocatalysis coupled fruits and vegetables cleaning device and the sketch map of internal part thereof of the embodiment of the invention 2.
The specific embodiment
Below in conjunction with accompanying drawing and embodiment content of the present invention is done further to describe.
Embodiment 1
The fruits and vegetables cleaning device that present embodiment adopts comprises cleaning case 101, have the inner bag 102 of light inlet window 105, four ultraviolet sources 103, porous supporting plate 104, adjustable support 106, micro porous aeration head 107, supersonic generator, controller, source of the gas, gas transmission conduit, motor and radiators.The said cleaning case 101 and the internal part thereof of said cleaning device are as shown in Figure 1.Said cleaning case 101 adopts lighttight material, and it is shaped as cuboid and open upper end.The volume of said cleaning case 101 is 5-10L.In the present embodiment, the volume of said cleaning case 101 for example is 5L.Said inner bag 102 places in the said cleaning case 101, its top and bottom opening, and said inner bag 102 can be from said cleaning case 101 dismountings.Said porous supporting plate 104 is positioned at said inner bag 102 and can moves up and down at said inner bag 102.Said ultraviolet source 103 is installed in the Si Jiaochu in the said cleaning case 101 by cage 108 sealings, makes that the water in the said cleaning case 101 can't get into said ultraviolet source 103.Four jiaos of places of said cleaning case 101 respectively are provided with shading cover, are used to block that said ultraviolet source 103 sends and the ultraviolet light of outgoing upwards.Four jiaos of places of said inner bag 102 respectively are equipped with light inlet window 105.Said cleaning case 101, said inner bag 102 and said ultraviolet source 103 be arranged so that ultraviolet light that said ultraviolet source 103 sends only can see through said cage 108 and said light inlet window 105 successively and shine in the said inner bag 102.Be covered with photocatalyst film on the inwall of the said inner bag 102 except that said light inlet window 105.In the present embodiment, said light inlet window 105 adopts for example quartz glass material with said cage 108, and said photocatalyst film adopts for example titanium dioxide TiO 2Film.Said adjustable support 106 is positioned at the below of said porous supporting plate 104, is used to regulate the height of said porous supporting plate 104.Said micro porous aeration head 107 is installed on the said porous supporting plate 104.Said gas transmission conduit one end is connected with said source of the gas, and the other end is divided into two-way, wherein one the tunnel places said porous supporting plate 104 belows, and another road is connected with said micro porous aeration head 107.Said gas transmission conduit is used for for example oxygen is incorporated in the said inner bag 102 from the aperture and/or the said micro porous aeration head 107 of said source of the gas on said porous supporting plate 104.Aperture and said micro porous aeration head 107 on the said porous supporting plate 104 are used to produce great amount of bubbles, make oxygen in water, fully dissolve.Said supersonic generator is used to said cleaning device ultrasonic wave is provided.Said controller is used to control the power of said supersonic generator, the opening and closing of each said ultraviolet source 103 and the motion of said adjustable support 106.Said motor is used to said adjustable support 106 power is provided.Said radiator is used for reducing in cleaning process the temperature of said cleaning device.
The ultrasonic wave that present embodiment provides-photocatalysis coupled fruits and vegetables cleaning method comprises the steps:
In the cleaning case 101 of said fruits and vegetables cleaning device, add entry, the fruits and vegetables that needs are cleaned are placed on the porous supporting plate 104, and the height of regulating said porous supporting plate 104 makes the fruits and vegetables that need to clean be immersed in the water fully;
Will be for example oxygen in said porous supporting plate 104 is incorporated into said inner bag 102 and produce great amount of bubbles, make oxygen fully be dissolved in the water;
Open supersonic generator;
Ultraviolet source 103 is opened in control through controller; The ultraviolet light that said ultraviolet source 103 sends sees through light inlet window 105 and shines on the photocatalyst film of said inner bag 102, and the synergy of ultrasonic wave, photocatalysis and oxygen makes and produces a large amount of hydroxyl radical free radical OH and negative oxygen ion free radical O in the water 2 -, so that the residues of pesticides oxidative degradation of fruit and vegetable surfaces.
When ultraviolet light shines on the said photocatalyst film, produce light induced electron and photohole after the said photocatalyst film absorbing ultraviolet light.Said photohole is oxidized to hydroxyl radical free radical OH with the hydrone or the hydroxide ion on catalyst film surface; Oxygen effect in said light induced electron and the water generates negative oxygen ion free radical O 2 -Said hydroxyl radical free radical OH and said negative oxygen ion free radical O 2 -Oxidisability very strong, can residues of pesticides oxidative degradation be become nontoxic materials such as inorganic molecules, carbon dioxide and water.Cavitation effect of ultrasonic waves can be quickened said hydroxyl radical free radical OH and said negative oxygen ion free radical O 2 -Formation, can make the residues of pesticides pyrolysis again.
The operating frequency of said supersonic generator is 10-1000kHz, and the ultrasonic wave sound intensity that it sends is 1-100Wcm -2The ultraviolet light wavelength that said ultraviolet source 103 sends is 100-400nm.Through the gas transmission conduit will be for example oxygen from source of the gas in said porous supporting plate 104 is incorporated into said inner bag 102, the feeding amount of oxygen is 10-50sccm.The temperature of water is 20-50 ℃ in the said cleaning case 101.The time that said method is cleaned fruits and vegetables to be needed is 10-30 minute.Regulate the height of said porous supporting plate 104 through adjustable support 106.Through motor is that said adjustable support 106 provides power.Make the oxygen that is incorporated in the said inner bag 102 produce a large amount of bubbles through aperture on the said porous supporting plate 104 and/or micro porous aeration head 107.Reduce the temperature of said fruits and vegetables cleaning device through radiator.Control the motion of the power and the said adjustable support 106 of said supersonic generator through said controller.After cleaning end, the fruits and vegetables that clean up are taken off from said porous supporting plate 104.Adopt said fruits and vegetables cleaning method, the degradation rate of fruit and vegetable surfaces residues of pesticides can reach 40%-70%.
Embodiment 2
The fruits and vegetables cleaning device that present embodiment adopts comprises cleaning case 201, have the inner bag 202 of light inlet window 205, two ultraviolet sources 203, porous supporting plate 204, adjustable support 206, micro porous aeration head 207, supersonic generator, controller, source of the gas, gas transmission conduit, motor and radiators.The said cleaning case 201 and the internal part thereof of said cleaning device are as shown in Figure 2.Said cleaning case 201 adopts lighttight material, and it is shaped as cylindrical shape and open upper end.Said inner bag 202 places in the said cleaning case 201, its open upper end, and said inner bag 202 can be from said cleaning case 201 dismountings.The volume of said inner bag 202 is 5-10L.In the present embodiment, the volume of said inner bag 202 for example is 10L.Said porous supporting plate 204 is positioned at said inner bag 202 and can moves up and down at said inner bag 202.Two said ultraviolet sources 203 for example are installed between said cleaning case 201 and the said inner bag 202 symmetrically.Light inlet window 205 is installed on the sidewall of said inner bag 202.Said cleaning case 201, said inner bag 202 and said ultraviolet source 203 be arranged so that ultraviolet light that said ultraviolet source 203 sends only can see through said light inlet window 205 and shine in the said inner bag 202.Except that said light inlet window 205, be covered with photocatalyst film on the inwall of said inner bag 202.In the present embodiment, said light inlet window 205 adopts for example quartz glass material, and said photocatalyst film adopts for example titanium dioxide TiO 2Film.Said adjustable support 206 is positioned at the below of said porous supporting plate 204, is used to regulate the height of said porous supporting plate 204.Said micro porous aeration head 207 is installed on the said porous supporting plate 204.Said gas transmission conduit one end is connected with said source of the gas, and the other end is divided into two-way, wherein one the tunnel places said porous supporting plate 204 belows, and another road is connected with said micro porous aeration head 207.Said gas transmission conduit is used for for example air is incorporated in the said inner bag 202 from the aperture and/or the said micro porous aeration head 207 of said source of the gas on said porous supporting plate 204.Aperture and said micro porous aeration head 207 on the said porous supporting plate 204 are used to produce great amount of bubbles, make airborne oxygen in water, fully dissolve.Said supersonic generator is used to said cleaning device ultrasonic wave is provided.Said controller is used to control the power of said supersonic generator, the opening and closing of each said ultraviolet source 203 and the motion of said adjustable support 206.Said motor is used to said adjustable support 206 power is provided.Said radiator is used for reducing in cleaning process the temperature of said cleaning device.
The ultrasonic wave that present embodiment provides-photocatalysis coupled fruits and vegetables cleaning method comprises the steps:
In the inner bag 202 of said fruits and vegetables cleaning device, add entry, the fruits and vegetables that needs are cleaned are placed on the porous supporting plate 204, and the height of regulating said porous supporting plate 204 makes the fruits and vegetables that need to clean be immersed in the water fully;
Will be for example air in said porous supporting plate 204 is incorporated into said inner bag 202 and produce great amount of bubbles, make airborne oxygen fully be dissolved in the water;
Open supersonic generator;
Ultraviolet source 203 is opened in control through controller; The ultraviolet light that said ultraviolet source 203 sends sees through light inlet window 205 and shines on the photocatalyst film of said inner bag 202, and the synergy of ultrasonic wave, photocatalysis and oxygen makes and produces a large amount of hydroxyl radical free radical OH and negative oxygen ion free radical O in the water 2 -, so that the residues of pesticides oxidative degradation of fruit and vegetable surfaces.
When ultraviolet light shines on the said photocatalyst film, produce light induced electron and photohole after the said photocatalyst film absorbing ultraviolet light.Said photohole is oxidized to hydroxyl radical free radical OH with the hydrone or the hydroxide ion on catalyst film surface; Oxygen effect in said light induced electron and the water generates negative oxygen ion free radical O 2 -Said hydroxyl radical free radical OH and said negative oxygen ion free radical O 2 -Oxidisability very strong, can residues of pesticides oxidative degradation be become innocuous substances such as inorganic molecules, carbon dioxide and water.Cavitation effect of ultrasonic waves can be quickened said hydroxyl radical free radical OH and said negative oxygen ion free radical O 2 -Formation, can make the residues of pesticides pyrolysis again.
The operating frequency of said supersonic generator is 10-1000kHz, and the ultrasonic wave sound intensity that it sends is 1-100Wcm -2Through the gas transmission conduit will be for example air from source of the gas in said porous supporting plate 204 is incorporated into said inner bag 202, the feeding amount of air is 10-50sccm.The ultraviolet light wavelength that said ultraviolet source 203 sends is 100-400nm.The temperature of water is 20-50 ℃ in the said inner bag 202.The time that said method is cleaned fruits and vegetables to be needed is 10-30 minute.Regulate the height of said porous supporting plate 204 through adjustable support 206.Through motor is that said adjustable support 206 provides power.Make the air that is incorporated in the said inner bag 202 produce a large amount of bubbles through aperture on the said porous supporting plate 204 and/or micro porous aeration head 207.Reduce the temperature of said fruits and vegetables cleaning device through radiator.Control the motion of the power and the said adjustable support 206 of said supersonic generator through said controller.After cleaning end, the fruits and vegetables that clean up are taken off from said porous supporting plate 204.Adopt said fruits and vegetables cleaning method, the degradation rate of fruit and vegetable surfaces residues of pesticides can reach 40%-70%.
Said fruits and vegetables cleaning method provided by the invention both had been applicable to the cleaning of a small amount of fruits and vegetables in the family, was applicable to the automation and the serialization cleaning of fruits and vegetables in enormous quantities again.
Should be appreciated that the above detailed description of technical scheme of the present invention being carried out by preferred embodiment is schematic and nonrestrictive.Those of ordinary skill in the art is reading on the basis of specification of the present invention and can make amendment to the technical scheme that each embodiment put down in writing, and perhaps part technical characterictic wherein is equal to replacement; And these are revised or replacement, do not make the spirit and the scope of the essence disengaging various embodiments of the present invention technical scheme of relevant art scheme.

Claims (9)

1. ultrasonic wave-photocatalysis coupled fruits and vegetables cleaning method is characterized in that this method comprises the steps:
In the cleaning case (1) of fruits and vegetables cleaning device or inner bag (2), add entry, the fruits and vegetables that needs are cleaned are placed on the porous supporting plate (4), and the height of regulating said porous supporting plate (4) makes the fruits and vegetables that need to clean be immersed in the water fully;
In said porous supporting plate (4) is incorporated into said inner bag (2) and produce great amount of bubbles, make oxygen and/or air fully be dissolved in the water oxygen and/or air;
Open supersonic generator;
Ultraviolet source (3) is opened in control through controller; The ultraviolet light that said ultraviolet source (3) sends sees through light inlet window (5) and shines on the photocatalyst film of said inner bag (2), and the synergy of ultrasonic wave, photocatalysis and oxygen makes and produces a large amount of hydroxyl radical free radical OH and negative oxygen ion free radical O in the water 2 -, so that the residues of pesticides oxidative degradation of fruit and vegetable surfaces.
2. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that the operating frequency of said supersonic generator is 10-1000kHz, and the ultrasonic wave sound intensity that it sends is 1-100Wcm -2
3. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that the ultraviolet light wavelength that said ultraviolet source (3) sends is 100-400nm.
4. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method; It is characterized in that; Through the gas transmission conduit with oxygen and/or air from source of the gas in said porous supporting plate (4) is incorporated into said inner bag (2), the feeding amount of oxygen and/or air is 10-50sccm.
5. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that, the temperature of water is 20-50 ℃ in said cleaning case (1) or the said inner bag (2).
6. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that, the time that said method is cleaned fruits and vegetables to be needed is 10-30 minute.
7. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that, regulates the height of said porous supporting plate (4) through adjustable support (6).
8. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that, makes the oxygen and/or the air that are incorporated in the said inner bag (2) produce a large amount of bubbles through aperture on the said porous supporting plate (4) and/or micro porous aeration head (7).
9. ultrasonic wave according to claim 1-photocatalysis coupled fruits and vegetables cleaning method is characterized in that, controls the motion of the power and the said adjustable support (6) of said supersonic generator through said controller.
CN2011104041647A 2011-12-07 2011-12-07 Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling Pending CN102415836A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011104041647A CN102415836A (en) 2011-12-07 2011-12-07 Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011104041647A CN102415836A (en) 2011-12-07 2011-12-07 Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling

Publications (1)

Publication Number Publication Date
CN102415836A true CN102415836A (en) 2012-04-18

Family

ID=45940667

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011104041647A Pending CN102415836A (en) 2011-12-07 2011-12-07 Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling

Country Status (1)

Country Link
CN (1) CN102415836A (en)

Cited By (9)

* Cited by examiner, † Cited by third party
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
CN104055198A (en) * 2014-06-10 2014-09-24 湖南省农产品加工研究所 Method for degrading pesticide residues on fruit and vegetables
CN110252365A (en) * 2019-04-26 2019-09-20 宁波市雨辰环保科技有限公司 The catalyst system and its application of air generation hydroxyl free radical
CN111328870A (en) * 2020-04-16 2020-06-26 广西科学院 Novel method for sterilizing and preserving fruits and vegetables
CN112089067A (en) * 2020-09-08 2020-12-18 北京昊屹畜牧有限公司 Vegetable washing equipment with function of efficiently removing pesticide residues and production line
CN112336232A (en) * 2020-10-27 2021-02-09 宁波美高厨具有限公司 Draining basket and cleaning equipment used by same
CN113057277A (en) * 2021-03-26 2021-07-02 上海千北信息科技有限公司 Electrolytic water washing type fruit and vegetable cleaning device and method
CN115736291A (en) * 2022-11-07 2023-03-07 广州吉祥行量子科技有限公司 Food ecology optimizing device
CN116889289A (en) * 2023-06-20 2023-10-17 东莞市宏创达电子科技有限公司 Fruit and vegetable machine

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1792307A (en) * 2005-11-28 2006-06-28 广东鑫艳电器有限责任公司 Apparatus for cleaning and sterilizing fruits, vegetables or meats
CN201018899Y (en) * 2007-02-07 2008-02-13 孔延升 Ecological instrument
CN201156968Y (en) * 2008-03-06 2008-12-03 吉林省农业机械研究院 Supersonic wave fruit and vegetable cleaning machine of electroanalysis functional water
CN201163986Y (en) * 2008-03-25 2008-12-17 中山大学 Device for degrading pesticide residues on fruit and vegetables
WO2009026805A1 (en) * 2007-08-29 2009-03-05 Shenzhen Jingrui Industry Co., Ltd. Vegetable washing machine
CN201299474Y (en) * 2008-10-31 2009-09-02 耿明永 Automatic sterilization and disinfection fruit and vegetable washing basin
CN202036069U (en) * 2011-04-22 2011-11-16 比亚迪股份有限公司 Fruit and vegetable cleaning machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN1792307A (en) * 2005-11-28 2006-06-28 广东鑫艳电器有限责任公司 Apparatus for cleaning and sterilizing fruits, vegetables or meats
CN201018899Y (en) * 2007-02-07 2008-02-13 孔延升 Ecological instrument
WO2009026805A1 (en) * 2007-08-29 2009-03-05 Shenzhen Jingrui Industry Co., Ltd. Vegetable washing machine
CN201156968Y (en) * 2008-03-06 2008-12-03 吉林省农业机械研究院 Supersonic wave fruit and vegetable cleaning machine of electroanalysis functional water
CN201163986Y (en) * 2008-03-25 2008-12-17 中山大学 Device for degrading pesticide residues on fruit and vegetables
CN201299474Y (en) * 2008-10-31 2009-09-02 耿明永 Automatic sterilization and disinfection fruit and vegetable washing basin
CN202036069U (en) * 2011-04-22 2011-11-16 比亚迪股份有限公司 Fruit and vegetable cleaning machine

Cited By (10)

* Cited by examiner, † Cited by third party
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
CN104055198A (en) * 2014-06-10 2014-09-24 湖南省农产品加工研究所 Method for degrading pesticide residues on fruit and vegetables
CN110252365A (en) * 2019-04-26 2019-09-20 宁波市雨辰环保科技有限公司 The catalyst system and its application of air generation hydroxyl free radical
CN111328870A (en) * 2020-04-16 2020-06-26 广西科学院 Novel method for sterilizing and preserving fruits and vegetables
CN112089067A (en) * 2020-09-08 2020-12-18 北京昊屹畜牧有限公司 Vegetable washing equipment with function of efficiently removing pesticide residues and production line
CN112336232A (en) * 2020-10-27 2021-02-09 宁波美高厨具有限公司 Draining basket and cleaning equipment used by same
CN113057277A (en) * 2021-03-26 2021-07-02 上海千北信息科技有限公司 Electrolytic water washing type fruit and vegetable cleaning device and method
CN115736291A (en) * 2022-11-07 2023-03-07 广州吉祥行量子科技有限公司 Food ecology optimizing device
CN116889289A (en) * 2023-06-20 2023-10-17 东莞市宏创达电子科技有限公司 Fruit and vegetable machine
CN116889289B (en) * 2023-06-20 2024-04-12 东莞市宏创达电子科技有限公司 Fruit and vegetable machine

Similar Documents

Publication Publication Date Title
CN102415836A (en) Method for cleaning fruit/vegetable by adopting ultrasonic-photocatalytic coupling
CN203564577U (en) Air circular purifying device
CN100342784C (en) Method for organochlorine pesticide photocatalytic degradation on nano titania
CN108006843A (en) Air purifier and air purification method
CN102550651A (en) Photocatalytic fresh fruit storage reservoir capable of decomposing ethylene
CN104055198A (en) Method for degrading pesticide residues on fruit and vegetables
JP2018094541A (en) Function liquid manufacturing device and function liquid manufacturing method
Hoai et al. Removal of ethylene by synthesized Ag/TiO2 photocatalyst under visible light irradiation
CN203615497U (en) Air PM dust-removing sterilizer
CN108576192A (en) Intelligent photocatalysis antibacterial preservation device and its preservation method for fruits and vegetables storeroom
CN203810571U (en) Movable type photocatalysis purification, deodorization and sterilization device
JP3117334U (en) Water purification tool
AU2017223021B2 (en) Hydraulic conveyor for floating objects provided with a device for sanitising conveying composition, plant provided with such a conveyor and sanitising method
CN202311136U (en) Ultrasonic-photocatalytic oxidation coupled fruit and vegetable cleaning device
CN202311135U (en) Ultrasonic-photocatalytic coupling fruit and vegetable cleaning device
CN103644604A (en) Air PM dedusting sterilizer
CN106890563A (en) A kind of efficient ozone remover
CN202865045U (en) Drinking water sterilizing device
CN202547246U (en) Sterilization and preservation refrigerator
CN101327331B (en) Method for controlling toxic biogas sol in gas-solid phase bioreactor tail gas
CN205245405U (en) Central air conditioning plasma purifier
CN200963354Y (en) Ultrasonic and ultraviolet composite sterilizing equipment
CN107487967B (en) Sewage treatment method combining photocatalysis and biology
Aguilar et al. Inactivation of E. coli and S. aureus by novel binary clay/semiconductor photocatalytic macrocomposites under UVA and sunlight irradiation
CN203428949U (en) Photocatalytic purifying device of sewage and foul smell

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
C02 Deemed withdrawal of patent application after publication (patent law 2001)
WD01 Invention patent application deemed withdrawn after publication

Application publication date: 20120418