CN112914456A - Central kitchen cleaning system and operation method thereof - Google Patents

Central kitchen cleaning system and operation method thereof Download PDF

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Publication number
CN112914456A
CN112914456A CN202110050133.XA CN202110050133A CN112914456A CN 112914456 A CN112914456 A CN 112914456A CN 202110050133 A CN202110050133 A CN 202110050133A CN 112914456 A CN112914456 A CN 112914456A
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Prior art keywords
water
storage tank
cleaning
water storage
alkaline
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CN202110050133.XA
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Chinese (zh)
Inventor
李全宏
范文栋
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China Agricultural University
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China Agricultural University
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Priority to CN202110050133.XA priority Critical patent/CN112914456A/en
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    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/02—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket
    • A47L15/13—Washing or rinsing machines for crockery or tableware with circulation and agitation of the cleaning liquid in the cleaning chamber containing a stationary basket using sonic or ultrasonic waves
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23L—FOODS, FOODSTUFFS, OR NON-ALCOHOLIC BEVERAGES, NOT COVERED BY SUBCLASSES A21D OR A23B-A23J; THEIR PREPARATION OR TREATMENT, e.g. COOKING, MODIFICATION OF NUTRITIVE QUALITIES, PHYSICAL TREATMENT; PRESERVATION OF FOODS OR FOODSTUFFS, IN GENERAL
    • A23L3/00—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs
    • A23L3/26—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating
    • A23L3/28—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with ultraviolet light
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J43/00—Implements for preparing or holding food, not provided for in other groups of this subclass
    • A47J43/24—Devices for washing vegetables or the like
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4214—Water supply, recirculation or discharge arrangements; Devices therefor
    • A47L15/4223—Devices for water discharge, e.g. devices to prevent siphoning, non-return valves
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L15/00—Washing or rinsing machines for crockery or tableware
    • A47L15/42—Details
    • A47L15/4236—Arrangements to sterilize or disinfect dishes or washing liquids
    • A47L15/4238—Arrangements to sterilize or disinfect dishes or washing liquids by using electrolytic cells
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61L—METHODS OR APPARATUS FOR STERILISING MATERIALS OR OBJECTS IN GENERAL; DISINFECTION, STERILISATION OR DEODORISATION OF AIR; CHEMICAL ASPECTS OF BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES; MATERIALS FOR BANDAGES, DRESSINGS, ABSORBENT PADS OR SURGICAL ARTICLES
    • A61L9/00—Disinfection, sterilisation or deodorisation of air
    • A61L9/16—Disinfection, sterilisation or deodorisation of air using physical phenomena
    • A61L9/18—Radiation
    • A61L9/20—Ultraviolet radiation
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L2601/00—Washing methods characterised by the use of a particular treatment
    • A47L2601/06—Electrolysed water

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  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Food Science & Technology (AREA)
  • Veterinary Medicine (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Epidemiology (AREA)
  • Nutrition Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Water Supply & Treatment (AREA)
  • Polymers & Plastics (AREA)
  • Mechanical Engineering (AREA)
  • Water Treatment By Electricity Or Magnetism (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)

Abstract

The invention provides a central kitchen cleaning system and an operation method thereof, wherein the central kitchen cleaning system comprises an oxidation potential generated water cleaning system, which comprises an electrolyzed water generating device, a water storage tank, an ultrasonic cleaning device, a water washing device and a conveying device; the electrolyzed water generating device comprises an anode chamber and a cathode chamber, the anode chamber and the cathode chamber are separated by an ion selective permeable membrane, the water storage tank comprises an acidic water storage tank and an alkaline water storage tank, the anode chamber is connected with the acidic water storage tank, and the cathode chamber is connected with the alkaline water storage tank; the outlets of the acidic water storage tank and the alkaline water storage tank are respectively connected to the ultrasonic cleaning device through pipelines; the ultrasonic cleaning device is connected with the dish washing machine through a conveying device. The central kitchen cleaning system provided by the invention integrates the electrolyzed water generating device, the ultrasonic cleaning device, the dish washing machine and the ultraviolet sterilizing device, integrally realizes the production of cleaning, sterilizing and packaging, and saves manpower and material resources.

Description

Central kitchen cleaning system and operation method thereof
Technical Field
The invention belongs to the technical field of disinfection, and particularly relates to a system and a method for cleaning and disinfecting tableware and vegetables.
Background
The central kitchen is an intensive catering manufacturing mode, and dishes are distributed by the central kitchen through a refrigerator car, so that uniform purchasing and distribution are carried out on straight shops. Besides saving the labor cost, the purchasing cost can be reduced on a large scale due to uniform purchasing. Because of large scale and higher cleaning degree of the tableware, a large amount of cleaning agent is needed in the central kitchen during cleaning, the cost of the cleaning agent is high, and the environment is greatly polluted by a large amount of discharged tableware washing water.
In the prior art, patent application No. ZL01246856.8 discloses a siphon-type electrolyte-added high-oxidation potential disinfectant water generator, which comprises a filter, a water flow sensor, a flowmeter, a power supply water cooling part, an electrical appliance control part, an activation tank with an electrode, a water inlet nozzle, two water outlet nozzles, a NaCl solution tank with a water outlet nozzle, and a siphon device with a water inlet nozzle. The method mixes tap water of a pipe network with a small amount of salt, and produces acidic ionized water and alkaline ionized water with special functions after being treated by a special diaphragm electrolysis device. The device provides high oxidation potential water for medical or household disinfection.
The ultraviolet sterilization and disinfection is to use ultraviolet with proper wavelength to destroy the molecular structure of DNA (deoxyribonucleic acid) or RNA (ribonucleic acid) in the cells of the microorganism body, so as to cause the death of growing cells and/or regenerative cells, thereby achieving the effect of sterilization and disinfection. Under the condition of long-time ultraviolet irradiation, oxygen in the air generates ozone, and the ozone can purify the air and simultaneously has the function of sterilizing and disinfecting the air.
In the manufacturing mode of the central kitchen, the requirements for cleaning tableware and vegetables also include disinfection, sterilization, packaging and the like, and the pollution caused by the discharge of cleaning wastewater is reduced as much as possible while food is produced in a large scale, which is a new problem in the technical field of the central kitchen.
Disclosure of Invention
In response to the problems of the prior art, the present invention provides a central galley cleaning system.
The invention also provides an operation method of the central kitchen cleaning system.
The technical scheme for realizing the above purpose of the invention is as follows:
a central kitchen cleaning system comprising an oxidation potential generating water cleaning system;
the oxidation potential generation water cleaning system comprises an electrolytic water generation device, a water storage tank, an ultrasonic cleaning device, water cleaning equipment and a conveying device;
the electrolyzed water generating device comprises an anode chamber and a cathode chamber, the anode chamber and the cathode chamber are separated by an ion selective permeable membrane, the water storage tank comprises an acidic water storage tank and an alkaline water storage tank, the anode chamber is connected with the acidic water storage tank, and the cathode chamber is connected with the alkaline water storage tank; the outlets of the acidic water storage tank and the alkaline water storage tank are respectively connected to the ultrasonic cleaning device through pipelines;
the ultrasonic cleaning device is connected with the water washing equipment through a conveying device, and the water washing equipment is a dish washing machine and/or a bubble cleaning machine.
Further, a water outlet is arranged at the lower part of the ultrasonic cleaning device and connected with a waste water storage tank.
Wherein, the bottom of the ultrasonic cleaning device is provided with an ultrasonic transducer.
One preferable technical scheme of the invention is that the central kitchen cleaning system further comprises one or more of a sterile production workshop, an ultraviolet light sterilization system and a sterile packaging system;
the ultraviolet sterilization system comprises an ultraviolet radiation lamp arranged at the top of the system;
the aseptic packaging system is composed of an aseptic packaging machine.
A method of operating the central galley cleaning system, comprising the operations of:
adding water into the electrolyzed water generating device, adding trace electrolyte, electrolyzing with direct current to obtain acidic water and alkaline water in the anode chamber and the cathode chamber respectively,
firstly, acidic water is used for cleaning in an ultrasonic cleaning device, then alkaline water is used for cleaning in the ultrasonic cleaning device,
the cleaned tableware is washed by a dish washer (no detergent is put in the dish washer), and then the tableware is packaged after being sterilized by ultraviolet rays. Or washing the cleaned vegetables with bubble cleaning machine, and sterilizing with ultraviolet rays.
Preferably, the electrolyte is NaCl, and the added mass concentration is 0.05-0.2%; the electrolytic water generating device has a tank voltage of 18 v-24 v and an electrolysis time of 6-10 minutes.
Based on the electrolyte adding amount limited above, constant-current electrolytic reaction is carried out in the electrolytic cell to generate electrolytic functional water with the oxidation-reduction potential being not less than 1100mV, the pH value of acidic water being not less than 2.7, the pH value of alkaline water being more than 11 and the available chlorine being less than 80 mg/L.
According to a preferable technical scheme, the cleaning agent is cleaned by acidic water for 5-30 s, and then cleaned by alkaline water for 5-30 s. And then washed by alkaline functional water.
Wherein, ultrasonic transducer's power is 1 ~ 2 kW.
After the stainless steel tableware knife, fork and the like are used, oil stain, leftovers and the like are easily polluted, and the ultrasonic waves are agitated in water and reflected on the tableware through cavitation by using the ultrasonic tableware cleaning machine. The energy converter at the bottom emits strong ultrasonic waves to penetrate through the steel plate to form dispersed bubbles which are diffused into the whole tank body, so that the surface of the tableware is uniformly bombarded by the ultrasonic waves, and the tableware is cleaned. The dinner plate cleaned by the ultrasonic waves enters the dish-washing machine to be washed for multiple times, and the dinner plate and the tableware are thoroughly cleaned.
Wherein the power of the ultraviolet radiation lamp is 100W-150W. The time of ultraviolet irradiation is 10-30 min. The high-intensity ultraviolet irradiation on the surface of the food can effectively kill microorganisms in the air and on the surface of the food, and under the condition of long-time ultraviolet irradiation, ozone is generated in the air, so that the air freshening effect can be achieved.
Preferably, the acidic and alkaline washing water discharged from the ultrasonic cleaning device is placed in a waste water storage tank. The pH value of the waste water generated after the acidic electrolyzed water cleaning and the waste water generated after the alkaline electrolyzed water cleaning are neutral after neutralization, the environmental pollution is small, and the waste water does not contain a detergent.
The invention has the beneficial effects that:
the central kitchen cleaning system provided by the invention integrates the electrolyzed water generating device, the ultrasonic cleaning device, the dish washing machine and the ultraviolet sterilizing device, integrally realizes the production of cleaning, sterilizing and packaging, and saves manpower and material resources;
the central kitchen cleaning method provided by the invention obtains acidic water and alkaline water with cleaning and disinfecting functions by setting electrolysis conditions, and is also called electroproduction functional water. The acidic water has the advantages of thorough sterilization, rapidness, no toxicity, no irritation, convenience in use, no residue and no toxic or side effect. The alkaline sea water can degrade pesticide residue and decontaminate and wash, and has low cost. The electrolyzed functional water can be used for cleaning tableware and vegetables.
Drawings
FIG. 1 is a schematic diagram of an oxidation potential generating water cleaning system for a central kitchen cleaning system according to the present invention.
In the figure, 1 is an electrolyzed water generating device, 2 is an acidic water storage tank, 3 is an alkaline water storage tank, 4 is a waste water storage tank, 5 is an ultrasonic cleaning device, 6 is a conveyor belt, 7 is a dish washer, and 8 is a bubble cleaning machine.
Detailed Description
The following examples are intended to illustrate the invention but are not intended to limit the scope of the invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate orientations or positional relationships based on those shown in the drawings, and are used merely for convenience in describing the present invention and for simplifying the description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the scope of the present invention.
Example 1
A central kitchen cleaning system comprising an oxidation potential generating water cleaning system, see fig. 1: the oxidation potential generated water cleaning system comprises an electrolyzed water generating device 1, a water storage tank, an ultrasonic cleaning device 5, a dish-washing machine 7, a bubble cleaning machine 8 and a conveyor belt 6;
the electrolyzed water generating device 1 comprises an anode chamber and a cathode chamber which are separated by an ion selective permeable membrane, the water storage tank comprises an acidic water storage tank 2 and an alkaline water storage tank 3, the anode chamber is connected with the acidic water storage tank 2, and the cathode chamber is connected with the alkaline water storage tank 3; the outlets of the acidic water storage tank and the alkaline water storage tank are respectively connected to the ultrasonic cleaning device 5 through pipelines;
the ultrasonic cleaning device 5 is connected with the dish washing machine and the bubble cleaning machine through a conveyor belt 6, and can convey articles to the dish washing machine or the bubble cleaning machine according to requirements.
The lower part of the ultrasonic cleaning device 5 is provided with a water outlet which is connected with the waste water storage tank 4.
And an ultrasonic transducer is arranged at the bottom of the ultrasonic cleaning device 5.
The central kitchen cleaning system also comprises a sterile production workshop, an ultraviolet light sterilization system and a sterile packaging system;
the ultraviolet sterilization system comprises an ultraviolet radiation lamp arranged at the top of the system;
the aseptic packaging system is composed of an aseptic packaging machine.
Example 2
The method of operating the central kitchen cleaning system of embodiment 1, this embodiment is for washing dishes, comprising the operations of:
adding water into the electrolyzed water generating device, adding trace electrolyte, electrolyzing with direct current to obtain acidic water and alkaline water in the anode chamber and the cathode chamber respectively,
firstly, acidic water is used for cleaning in an ultrasonic cleaning device, then alkaline water is used for cleaning in the ultrasonic cleaning device, ultrasonic waves are used for agitating in water, and the acidic water and the alkaline water are reflected on tableware through cavitation. The energy converter at the bottom emits strong ultrasonic waves to penetrate through the steel plate to form dispersed bubbles which are diffused into the whole tank body, so that the surface of the tableware is uniformly bombarded by the ultrasonic waves, and the tableware is cleaned.
And washing the cleaned tableware by using a dish washer, sterilizing by using ultraviolet rays and packaging.
In the embodiment, the electrolyte is NaCl, and the added mass concentration is 0.2%; controlling the bath voltage of the electrolyzed water generating device to be 18 v-24 v, and carrying out constant current electrolysis for 10 minutes. The medium in the electrolytic cell generates electrolytic functional water with the oxidation-reduction potential of 1100mV, the pH value of acidic water of 2.7, the pH value of alkaline water of 12 and effective chlorine of about 80 mg/L.
Firstly, washing with acidic water for 10s, and then washing with alkaline functional water for 10 s.
In this embodiment, the power of the ultrasonic transducer is 1 kw.
The power of the ultraviolet radiation lamp was 150W. The time of ultraviolet irradiation is 10 min.
And (3) putting the acidic and alkaline washing water discharged by the ultrasonic cleaning device into a waste water storage tank.
Example 3
The method for operating the central kitchen cleaning system of embodiment 1, which is to wash vegetables, includes the following operations:
adding water into the electrolyzed water generating device, adding trace electrolyte, electrolyzing with direct current to obtain acidic water and alkaline water in the anode chamber and the cathode chamber respectively,
firstly, acidic water is used for cleaning in an ultrasonic cleaning device, then alkaline water is used for cleaning in the ultrasonic cleaning device, ultrasonic waves are used for agitating in water, and the acidic water and the alkaline water are reflected on tableware through cavitation. The energy converter at the bottom emits strong ultrasonic waves to penetrate through the steel plate to form dispersed bubbles which are diffused into the whole tank body, so that the surface of the tableware is uniformly bombarded by the ultrasonic waves, and the tableware is cleaned.
And washing the cleaned vegetables by using a bubble washing machine, sterilizing by using ultraviolet rays, and packaging.
Specifically, in this embodiment, the electrolyte is NaCl, and specifically in this embodiment, the electrolyte is NaCl, and the added mass concentration is 0.1%; controlling the bath voltage of the electrolyzed water generating device to be 18 v-24 v, and controlling the constant current electrolysis time to be 10 minutes. The medium in the electrolytic cell generates electrolytic functional water with the oxidation-reduction potential of 1100mV, the pH value of acidic water of 3, the pH value of alkaline water of 11 and effective chlorine of about 70 mg/L.
The cleaning is carried out for 5s by using acidic water, and then the cleaning is carried out for 5s by using alkaline functional water.
In this embodiment, the power of the ultrasonic transducer is 1 kw.
The power of the ultraviolet radiation lamp is 100W-150W. The time of ultraviolet irradiation is 15 min.
And (3) putting the acidic and alkaline washing water discharged by the ultrasonic cleaning device into a waste water storage tank.
Although the present invention has been described in the foregoing by way of examples, it will be understood by those skilled in the art that various changes and modifications may be made without departing from the spirit and scope of the invention.

Claims (10)

1. A central kitchen cleaning system comprising an oxidation potential generating water cleaning system;
the oxidation potential generation water cleaning system comprises an electrolytic water generation device, a water storage tank, an ultrasonic cleaning device, water cleaning equipment and a conveying device;
the electrolyzed water generating device comprises an anode chamber and a cathode chamber, the anode chamber and the cathode chamber are separated by an ion selective permeable membrane, the water storage tank comprises an acidic water storage tank and an alkaline water storage tank, the anode chamber is connected with the acidic water storage tank, and the cathode chamber is connected with the alkaline water storage tank; the outlets of the acidic water storage tank and the alkaline water storage tank are respectively connected to the ultrasonic cleaning device through pipelines;
the ultrasonic cleaning device is connected with the water washing equipment through a conveying device, and the water washing equipment is a dish washing machine and/or a bubble cleaning machine.
2. The central galley cleaning system according to claim 1, wherein the ultrasonic cleaning device is provided with a drain port at a lower portion thereof, the drain port being connected to a waste water storage tank.
3. The central galley cleaning system of claim 1, wherein the ultrasonic cleaning device bottom is provided with an ultrasonic transducer.
4. The central galley cleaning system of any of claims 1-3, further comprising one or more of a sterile production plant, an ultraviolet light sterilization system, and a sterile packaging system;
the ultraviolet sterilization system comprises an ultraviolet radiation lamp arranged at the top of the system;
the aseptic packaging system is composed of an aseptic packaging machine.
5. A method of operating a central galley cleaning system according to any one of claims 1-4, comprising the acts of:
adding water into the electrolyzed water generating device, adding trace electrolyte, electrolyzing with direct current to obtain acidic water and alkaline water in the anode chamber and the cathode chamber respectively,
firstly, acidic water is used for cleaning in an ultrasonic cleaning device, then alkaline water is used for cleaning in the ultrasonic cleaning device,
washing the cleaned tableware by using a dish washer, sterilizing by ultraviolet rays and packaging; or washing the cleaned vegetables with bubble cleaning machine, and sterilizing with ultraviolet rays.
6. The operating method according to claim 5, characterized in that the electrolyte is NaCl, the added mass concentration being 0.05-0.2%; the electrolytic water generating device has a tank voltage of 18 v-24 v and an electrolysis time of 6-10 minutes.
7. The operation method according to claim 5, wherein the cleaning is performed by acidic water for 5 to 30 seconds, and then by alkaline water for 5 to 30 seconds.
8. The operating method according to claim 4, wherein the power of the ultrasonic transducer is 1-2 kw.
9. An ultraviolet light radiator lamp as defined in claim 4, wherein: the power of the ultraviolet radiation lamp is 100W-150W. The time of ultraviolet irradiation is 10 min-30 min.
10. The operation method according to any one of claims 4 to 9, wherein both acidic and alkaline washing water discharged from the ultrasonic cleaning apparatus are placed in a waste water storage tank.
CN202110050133.XA 2021-01-14 2021-01-14 Central kitchen cleaning system and operation method thereof Pending CN112914456A (en)

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Publication number Priority date Publication date Assignee Title
JPH10137763A (en) * 1996-11-14 1998-05-26 Toshiba Corp Electrolytic ionic water forming device and semiconductor producing device
WO2010108413A1 (en) * 2009-03-26 2010-09-30 Zhang Dunjie Centralized supply system for electrolyzed oxidizing water and intelligent control method thereof
CN102380113A (en) * 2010-08-30 2012-03-21 张敦杰 System and method for cleaning and sterilizing related equipment in beer producing process
CN103462528A (en) * 2013-09-06 2013-12-25 浙江大学 Fruit and vegetable cleaning and sterilizing device and method
CN203506485U (en) * 2013-09-06 2014-04-02 无锡正一生源科技有限公司 Ultrasonic united electrolysis inputting type purification device
CN203555652U (en) * 2013-09-06 2014-04-23 浙江大学 Fruit/vegetable cleaning and sterilizing device
CN204693514U (en) * 2014-12-23 2015-10-07 云南航天工业有限公司 A kind of major-minor dining room with cleaning and sterilizing vegetables, tableware function
CN106216315A (en) * 2016-07-22 2016-12-14 四川港通医疗设备集团股份有限公司 A kind of supersonic wave cleaning process

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Publication number Priority date Publication date Assignee Title
JPH10137763A (en) * 1996-11-14 1998-05-26 Toshiba Corp Electrolytic ionic water forming device and semiconductor producing device
WO2010108413A1 (en) * 2009-03-26 2010-09-30 Zhang Dunjie Centralized supply system for electrolyzed oxidizing water and intelligent control method thereof
CN102380113A (en) * 2010-08-30 2012-03-21 张敦杰 System and method for cleaning and sterilizing related equipment in beer producing process
CN103462528A (en) * 2013-09-06 2013-12-25 浙江大学 Fruit and vegetable cleaning and sterilizing device and method
CN203506485U (en) * 2013-09-06 2014-04-02 无锡正一生源科技有限公司 Ultrasonic united electrolysis inputting type purification device
CN203555652U (en) * 2013-09-06 2014-04-23 浙江大学 Fruit/vegetable cleaning and sterilizing device
CN204693514U (en) * 2014-12-23 2015-10-07 云南航天工业有限公司 A kind of major-minor dining room with cleaning and sterilizing vegetables, tableware function
CN106216315A (en) * 2016-07-22 2016-12-14 四川港通医疗设备集团股份有限公司 A kind of supersonic wave cleaning process

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Title
杨华明等: "《现代医学消毒学 第3版》", 28 February 2013, 人民军医出版社 *
郑锋: "《融合 看正德康城三产如何破界成新》", 30 June 2017, 中国财富出版社 *

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Application publication date: 20210608