CN105433191A - Cooled sealed disinfection device used for cleaning food with ozonized water - Google Patents
Cooled sealed disinfection device used for cleaning food with ozonized water Download PDFInfo
- Publication number
- CN105433191A CN105433191A CN201510957458.0A CN201510957458A CN105433191A CN 105433191 A CN105433191 A CN 105433191A CN 201510957458 A CN201510957458 A CN 201510957458A CN 105433191 A CN105433191 A CN 105433191A
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- China
- Prior art keywords
- clean container
- ozone
- ozonated water
- sterilization clean
- sterilization
- 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
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 98
- 238000004659 sterilization and disinfection Methods 0.000 title claims abstract description 78
- 235000013305 food Nutrition 0.000 title claims abstract description 22
- 238000004140 cleaning Methods 0.000 title claims abstract description 21
- CBENFWSGALASAD-UHFFFAOYSA-N Ozone Chemical compound [O-][O+]=O CBENFWSGALASAD-UHFFFAOYSA-N 0.000 claims abstract description 69
- 230000001954 sterilising effect Effects 0.000 claims abstract description 67
- 230000033116 oxidation-reduction process Effects 0.000 claims abstract description 25
- 238000001816 cooling Methods 0.000 claims abstract description 22
- 238000005660 chlorination reaction Methods 0.000 claims description 14
- 239000002826 coolant Substances 0.000 claims description 8
- 239000002893 slag Substances 0.000 claims description 3
- 230000000694 effects Effects 0.000 abstract description 5
- 238000007789 sealing Methods 0.000 abstract description 4
- 235000012055 fruits and vegetables Nutrition 0.000 abstract description 3
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract 1
- 235000013622 meat product Nutrition 0.000 abstract 1
- 230000036541 health Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 235000013372 meat Nutrition 0.000 description 2
- 230000005180 public health Effects 0.000 description 2
- 238000002791 soaking Methods 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 241000894006 Bacteria Species 0.000 description 1
- 241000588724 Escherichia coli Species 0.000 description 1
- 241000233866 Fungi Species 0.000 description 1
- 241000700605 Viruses Species 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 239000003905 agrochemical Substances 0.000 description 1
- 238000003556 assay Methods 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000009833 condensation Methods 0.000 description 1
- 230000005494 condensation Effects 0.000 description 1
- 230000000249 desinfective effect Effects 0.000 description 1
- 238000004090 dissolution Methods 0.000 description 1
- 239000003814 drug Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 238000012946 outsourcing Methods 0.000 description 1
- 239000007800 oxidant agent Substances 0.000 description 1
- 230000001590 oxidative effect Effects 0.000 description 1
- 239000003507 refrigerant Substances 0.000 description 1
- 238000005057 refrigeration Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
Classifications
-
- 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
- A23L3/34—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals
- A23L3/3454—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with chemicals in the form of liquids or solids
- A23L3/358—Inorganic compounds
Landscapes
- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Nutrition Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Food Science & Technology (AREA)
- Polymers & Plastics (AREA)
- Food Preservation Except Freezing, Refrigeration, And Drying (AREA)
- Apparatus For Disinfection Or Sterilisation (AREA)
Abstract
The invention discloses a cooled sealed disinfection device used for cleaning food with ozonized water. According to the invention, an ozonized water machine and a disinfection cleaning container are connected by an ozonized water return pipe and an ozonized water outlet pipe; the disinfection cleaning container and a cooling circulatory system are connected by a cooling circulatory water return pipe and a cooling circulatory water outlet pipe; an oxidation reduction potential sensor and a temperature sensor are arranged in the disinfection cleaning container; the disinfection cleaning container is provided with a sealing cover; an oxidation-reduction potentiometer is arranged on the sealing cover; and an automatic control system is used for adjusting the concentration and temperature of ozonized water in the disinfection cleaning container based on the oxidation reduction potential sensor and the temperature sensor. Beneficial effects of the cooled sealed disinfection device are that: ozonized water generated by an ozonized water machine is used for disinfection immersion cleaning of food such as fruits and vegetables, aquatic products, and meat products; the ozonized water machine and the cooling circulatory system are started by the automatic control system based on detection results of the oxidation reduction potential sensor and the temperature sensor; ozone solubility and disinfection sterilization effects are improved; and rapid disinfection cleaning is realized.
Description
Technical field
The present invention relates to a kind of chlorination equipment of cleaning food, particularly be a kind of chlorination equipment of closed ozonated water wash food of lowering the temperature.
Background technology
Ozonated water containing finite concentration ozone is a kind of strong oxidizer, utilize the Strong oxdiative characteristic of ozone, kill the various bacteriums of food surface, virus and fungi, the chemical bond destroying organic agricultural chemicals makes it lose the property of medicine, thus reach the object of cleaning food, be widely used at present in sterilization between catering trade sterilization, food car, application water sterilization and fruit-vegetable clear wash disinfection.
Ozonated water Disinfection Effect improves with the rising of ozone concentration.The raising of consistency of ozone water is closely related with the temperature of use water, and regarding assay proves, reduces solubility and concentration that water temperature both can improve ozone in water, also can strengthen the sterilizing power of ozone.But consistency of ozone water exceeds the Ministry of Public Health of China specified standard, has certain harmfulness to health.Therefore, people urgently wish the chlorination equipment occurring the closed ozonated water wash food of cooling, realize Disinfection Effect good, avoid again ozone to exceed standard revealing being conducive to the object of health.
Summary of the invention
The object of the invention is that providing a kind of enters in the sterilization clean container of sealing by ozone water apparatus generation ozonated water, concentration and temperature that sensor detects ozonated water are set in sterilization clean container, are started the chlorination equipment of a kind of closed ozonated water wash food of lowering the temperature of ozone water apparatus and cooling recirculation system work adjustment ozonated water concentration and temperature by automatic control system.
The technical scheme solved the problem is: a kind of chlorination equipment of closed ozonated water wash food of lowering the temperature, and described chlorination equipment comprises: ozone water apparatus, sterilization clean container and cooling recirculation system; Ozonated water return pipe and ozonated water outlet pipe is connected with between ozone water apparatus and sterilization clean container; Cool cycles return pipe and cool cycles outlet pipe is connected with between sterilization clean container and cooling recirculation system; The oxidation-reduction potential sensor and temperature sensor that connect automatic control system is respectively provided with in sterilization clean container, in sterilization, clean container is suitable for reading is provided with seal cover, oxidation-reduction potentiometer seal cover being provided with release sterilization clean container internal pressure and the exhaust apparatus of residue ozone and being connected with oxidation-reduction potential sensor; Automatic control system starts ozone water apparatus and cooling recirculation system work according to oxidation-reduction potential sensor and temperature sensor, regulates concentration and the temperature of ozonated water in sterilization clean container.
Preferred version is: described cooling recirculation system comprises: Condensing unit, plate type heat exchanger and coolant circulation pump; Described Condensing unit is by pipeline connecting plate type heat exchanger, and the cool cycles outlet pipe of plate type heat exchanger connects sterilization clean container top, and the cool cycles return pipe of plate type heat exchanger connects sterilization clean container bottom; Coolant circulation pump is arranged on cool cycles return pipe.
Preferred version is: described exhaust apparatus comprises ozone discharge tube and air pump; The top inside sterilization clean container is inserted in ozone discharge tube one end, and the ozone discharge tube other end is equipped with air pump and is arranged on sterilization cleaning outside of containers.
Preferred version is: on described ozonated water return pipe, be provided with ozonated water circulating pump; The scavenge port of cleaning food slag is provided with bottom sterilization clean container.
The invention has the beneficial effects as follows: utilize ozone water apparatus to produce certain density ozonated water and flow in sterilization clean container, by the strong oxidizing property of ozone to food sterilization soaking and washing such as fruits and vegetables, aquatic products, meats; The present invention is according to oxidation-reduction potential sensor and temperature sensor testing result, ozone water apparatus and cooling recirculation system work is started by automatic control system, and then regulate the concentration of ozonated water in sterilization clean container and temperature to reach optimum value, improve ozone dissolved degree and disinfection effect, realize Quick disinfection cleaning; Be arranged on ozone when sterilization clean container seal cover suitable for reading avoids cleaning products to reveal, the operating environment that good be provided, guarantee health; Exhaust apparatus can be avoided producing pressure in sterilization clean container and gathering ozone; It is simple that the present invention also has structure, green safety, noresidue, lower-cost advantage.
Accompanying drawing explanation
Fig. 1 is member connection structure schematic diagram of the present invention.
" in accompanying drawing, sequence number illustrates "
1: ozone water apparatus; 2: sterilization clean container; 3: seal cover; 4: Condensing unit; 5 plate type heat exchangers; 6: ozonated water circulating pump; 6a: ozonated water return pipe; 7: ozonated water outlet pipe; 8: coolant circulation pump; 9: cool cycles return pipe; 10: temperature sensor; 11: oxidation-reduction potential sensor; 12: oxidation-reduction potentiometer; 13: exhaust apparatus; 13a: ozone discharge tube; 14: air pump; 15: cool cycles outlet pipe; 16: scavenge port; 20: cooling recirculation system.
Detailed description of the invention
Below in conjunction with accompanying drawing, embodiments of the invention are described in further detail.
Fig. 1 is member connection structure schematic diagram of the present invention.
As shown in Figure 1, the invention provides a kind of chlorination equipment of closed ozonated water wash food of lowering the temperature, described chlorination equipment comprises: ozone water apparatus 1, sterilization clean container 2 and cooling recirculation system 20; Ozonated water return pipe 6a and ozonated water outlet pipe 7 is connected with between ozone water apparatus 1 and sterilization clean container 2; Cool cycles return pipe 9 and cool cycles outlet pipe 15 is connected with between sterilization clean container 2 and cooling recirculation system 20; The oxidation-reduction potential sensor 11 and temperature sensor 10 that connect automatic control system is respectively provided with in sterilization clean container 2, in sterilization, clean container 2 is suitable for reading is provided with seal cover 3, the oxidation-reduction potentiometer 12 seal cover 3 being provided with release sterilization clean container 2 internal pressure and the exhaust apparatus 13 of residue ozone and being connected with oxidation-reduction potential sensor 11; The signal enabling ozone water apparatus 1 that automatic control system (not shown) is fed back according to oxidation-reduction potential sensor 11 and temperature sensor 10 and cooling recirculation system 20 work, and regulate concentration and the temperature of ozonated water in sterilization clean container 2.
Described cooling recirculation system 20 comprises: Condensing unit 4, plate type heat exchanger 5 and coolant circulation pump 8; Described Condensing unit 4 is by pipeline connecting plate type heat exchanger 5, and the cool cycles outlet pipe 15 of plate type heat exchanger 5 connects sterilization clean container 2 top, and the cool cycles return pipe 9 of plate type heat exchanger 5 connects sterilization clean container 2 bottom; Coolant circulation pump 8 is arranged on cool cycles return pipe 9.
Described exhaust apparatus 13 comprises ozone discharge tube 13a and air pump 14; The top inside sterilization clean container 2 is inserted in ozone discharge tube 13a one end, and the ozone discharge tube 13a other end is equipped with air pump 14 and is arranged on outside sterilization clean container 2.
Described ozonated water return pipe 6a is provided with ozonated water circulating pump 6; The scavenge port 16 of cleaning food slag is provided with bottom sterilization clean container 2.
In particular, experiment proves, the raising of consistency of ozone water is except outside the Pass having with the factor such as source of the gas, the structure of ozone water apparatus, the power of ozone generator of application, and the temperature of water is closely related with using.In the temperature range of 0 ~ 35 DEG C, reduce with water temperature, the solubility of ozone in water increases.Under 20 DEG C of water temperature conditions, when Measuring Ozone Concentration in Water reaches 0.43mg/L, Escherichia coli 100% can be killed, and ozone concentration only needs 0.36mg/L all to kill 10 DEG C time.As can be seen here, reduce the solubility that water temperature both can improve ozone in water, also can strengthen the sterilizing power of ozone.But, when the ozone concentration in environment for use is higher than certain cumulant, have certain harmfulness to health.The ozone concentration upper limit that in the room air that the Ministry of Public Health of China proposes, ozone sanitary standard (GB/T18202-2000) specifies is that 0.05ppm continues 1 hour.The present invention is that one can improve ozone concentration, strengthens the novel foodstuff cleaning sterilizing device of ozone sterilization effect and the leakage of deduction and exemption ozone.
Described ozone water apparatus 1 is outsourcing piece, and air ionization is produced ozone according to corona-type electrion principle by ozone water apparatus 1, and by Venturi tube and special blending tank, make ozone and water mixed dissolution produce ozonated water, ozone water apparatus 1 power supply used is 220V civil power.
Described sterilization clean container 2 is the containers of the food (as fruits and vegetables, aquatic products or meat) placing soaking and washing sterilization, employing stainless steel material makes, corrosion-resistant, in upper opening of container, the salable and seal cover 3 that can open is installed, during to avoid cleaning products, ozone is revealed, and often sealing cleaning and sterilizing 1 time of product is 5 ~ 10 minutes.
Described ozonated water return pipe 6a, ozonated water circulating pump 6 and ozonated water outlet pipe 7 are connected between ozone water apparatus 1 and sterilization clean container 2, ozonated water return pipe 6a is arranged on the position of sterilization clean container 2 higher than foreign material accumulation place bottom sterilization clean container 2, flows in ozonated water circulating pump 6 and ozone water apparatus 1 to reduce foreign material bottom sterilization clean container 2; Ozonated water circulating pump 6 adopts the Special water pump of resistance to ozone corrosion.
Described ozone discharge tube 13a and air pump 14 are connected in series on seal cover 3, the ozone overflowed from sterilization clean container 2 water on a small quantity, is avoided producing pressure in container and gathering ozone by the suction of air pump 14 and the channels discharge of ozone discharge tube 13a outside job shop.
Described Condensing unit 4 adopts freon refrigeration system, high pressure refrigerant liquid after compression condensation is evaporated in plate type heat exchanger 5, evaporating temperature can reach-5 ~-10 DEG C, with ozonated water generation exchange heat, water temperature is reduced, plate type heat exchanger 5 and sterilization clean container 2 couple together by coolant circulation pump 8 and cool cycles return pipe 9, form cooling recirculation system.
Described temperature sensor 10 is arranged in the ozonated water of sterilization clean container 2, is 8 ~ 15 DEG C according to different sterilization cleaning object design temperatures, and the ozonated water object that cools increases the solubility of ozone and sterilizing power.
Described oxidation-reduction potential sensor 11 is arranged in the ozonated water of sterilization clean container 2, can online direct-detection sterilization clean container 2 in oxidation-reduction potential change, the oxidation-reduction potential of the rinse water that goes out to sterilize by oxidation-reduction potentiometer 12 Real time displaying be positioned on seal cover 3, and oxidation-reduction potential can reflect ozone concentration and the disinfecting power of ozonated water indirectly, require that the oxidation-reduction potential of ozonated water in sterilization clean container 2 is at more than 700mV.
Claims (4)
1. a chlorination equipment for the closed ozonated water wash food of cooling, it is characterized in that, described chlorination equipment comprises: ozone water apparatus (1), sterilization clean container (2) and cooling recirculation system (20); Ozonated water return pipe (6a) and ozonated water outlet pipe (7) is connected with between ozone water apparatus (1) and sterilization clean container (2); Cool cycles return pipe (9) and cool cycles outlet pipe (15) is connected with between sterilization clean container (2) and cooling recirculation system (20); The oxidation-reduction potential sensor (11) and temperature sensor (10) that connect automatic control system is respectively provided with in sterilization clean container (2), suitable for readingly seal cover (3) is provided with, the oxidation-reduction potentiometer (12) seal cover (3) being provided with release sterilization clean container (2) internal pressure and the exhaust apparatus (13) of residue ozone and being connected with oxidation-reduction potential sensor (11) in sterilization clean container (2); Automatic control system starts ozone water apparatus (1) and cooling recirculation system (20) work according to oxidation-reduction potential sensor (11) and temperature sensor (10), regulates concentration and the temperature of sterilization clean container (2) interior ozonated water.
2. according to the chlorination equipment of a kind of closed ozonated water wash food of lowering the temperature described in claim 1, it is characterized in that, described cooling recirculation system (20) comprising: Condensing unit (4), plate type heat exchanger (5) and coolant circulation pump (8); Described Condensing unit (4) is by pipeline connecting plate type heat exchanger (5), the cool cycles outlet pipe (15) of plate type heat exchanger (5) connects sterilization clean container (2) top, and the cool cycles return pipe (9) of plate type heat exchanger (5) connects sterilization clean container (2) bottom; Coolant circulation pump (8) is arranged on cool cycles return pipe (9).
3., according to the chlorination equipment of a kind of closed ozonated water wash food of lowering the temperature described in claim 1, it is characterized in that, described exhaust apparatus (13) comprises ozone discharge tube (13a) and air pump (14); The top of sterilization clean container (2) inner side is inserted in ozone discharge tube (13a) one end, and ozone discharge tube (13a) other end is equipped with air pump (14) and is arranged on sterilization clean container (2) outside.
4., according to the chlorination equipment of a kind of closed ozonated water wash food of lowering the temperature described in claim 1, it is characterized in that, described ozonated water return pipe (6a) is provided with ozonated water circulating pump (6); The scavenge port (16) of cleaning food slag is provided with in sterilization clean container (2) bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957458.0A CN105433191A (en) | 2015-12-17 | 2015-12-17 | Cooled sealed disinfection device used for cleaning food with ozonized water |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510957458.0A CN105433191A (en) | 2015-12-17 | 2015-12-17 | Cooled sealed disinfection device used for cleaning food with ozonized water |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN105433191A true CN105433191A (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510957458.0A Pending CN105433191A (en) | 2015-12-17 | 2015-12-17 | Cooled sealed disinfection device used for cleaning food with ozonized water |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105433191A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618028A (en) * | 2018-05-02 | 2018-10-09 | 湖南农业大学 | A kind of day lily drying pretreatment method and color protection equipment |
| CN109077010A (en) * | 2018-07-18 | 2018-12-25 | 苏州千层茧农业科技有限公司 | The remove device of remains of pesticide, hormone in a kind of aquaculture object |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368815A (en) * | 1992-12-07 | 1994-11-29 | Oxidyn, Incorporated | Process and apparatus for sanitizing articles |
| US20030156978A1 (en) * | 2001-11-26 | 2003-08-21 | Gillette Thomas D. | Method and device for providing ozone sanitation of various objects |
| CN2835228Y (en) * | 2005-11-09 | 2006-11-08 | 蓝孚医疗科技（山东）有限公司 | Device for producing high concentration ozone disinfectant for medical use |
| CN101167476A (en) * | 2007-08-28 | 2008-04-30 | 上海布康医疗器械有限公司 | Method and device for preparing ozone disinfectant water |
| WO2011009828A1 (en) * | 2009-07-20 | 2011-01-27 | Fraisco Technic | Method and device for cold sterilisation and/or decontamination of a consumable product, in particular a food product |
| CN203985994U (en) * | 2014-08-25 | 2014-12-10 | 温州茂竹园农业有限公司 | Fruits and vegetables cleaning equipment |
| CN205305914U (en) * | 2015-12-17 | 2016-06-15 | 国家农产品保鲜工程技术研究中心（天津） | Closed ozonization water of cooling down washs degassing unit of food |
-
2015
- 2015-12-17 CN CN201510957458.0A patent/CN105433191A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5368815A (en) * | 1992-12-07 | 1994-11-29 | Oxidyn, Incorporated | Process and apparatus for sanitizing articles |
| US20030156978A1 (en) * | 2001-11-26 | 2003-08-21 | Gillette Thomas D. | Method and device for providing ozone sanitation of various objects |
| CN2835228Y (en) * | 2005-11-09 | 2006-11-08 | 蓝孚医疗科技（山东）有限公司 | Device for producing high concentration ozone disinfectant for medical use |
| CN101167476A (en) * | 2007-08-28 | 2008-04-30 | 上海布康医疗器械有限公司 | Method and device for preparing ozone disinfectant water |
| WO2011009828A1 (en) * | 2009-07-20 | 2011-01-27 | Fraisco Technic | Method and device for cold sterilisation and/or decontamination of a consumable product, in particular a food product |
| CN203985994U (en) * | 2014-08-25 | 2014-12-10 | 温州茂竹园农业有限公司 | Fruits and vegetables cleaning equipment |
| CN205305914U (en) * | 2015-12-17 | 2016-06-15 | 国家农产品保鲜工程技术研究中心（天津） | Closed ozonization water of cooling down washs degassing unit of food |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108618028A (en) * | 2018-05-02 | 2018-10-09 | 湖南农业大学 | A kind of day lily drying pretreatment method and color protection equipment |
| CN108618028B (en) * | 2018-05-02 | 2021-11-26 | 湖南农业大学 | Day lily drying pretreatment method and color protection equipment |
| CN109077010A (en) * | 2018-07-18 | 2018-12-25 | 苏州千层茧农业科技有限公司 | The remove device of remains of pesticide, hormone in a kind of aquaculture object |
| CN109077010B (en) * | 2018-07-18 | 2021-03-02 | 苏州千层茧农业科技有限公司 | Device for removing residual pesticide and hormone in aquaculture material |
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Application publication date: 20160330 |
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