CN109261603A - A kind of tealeaves cleaning method and its device - Google Patents

A kind of tealeaves cleaning method and its device Download PDF

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Publication number
CN109261603A
CN109261603A CN201811306668.3A CN201811306668A CN109261603A CN 109261603 A CN109261603 A CN 109261603A CN 201811306668 A CN201811306668 A CN 201811306668A CN 109261603 A CN109261603 A CN 109261603A
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CN
China
Prior art keywords
tealeaves
water
cleaning method
pesticide residue
tealeaves cleaning
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
CN201811306668.3A
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Chinese (zh)
Inventor
林俊雄
赵进
侯文锋
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.)
Foshan Mu Ji Information Technology Co Ltd
Original Assignee
Foshan Mu Ji Information Technology Co Ltd
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
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Priority to CN201811306668.3A priority Critical patent/CN109261603A/en
Publication of CN109261603A publication Critical patent/CN109261603A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23F—COFFEE; TEA; THEIR SUBSTITUTES; MANUFACTURE, PREPARATION, OR INFUSION THEREOF
    • A23F3/00—Tea; Tea substitutes; Preparations thereof
    • A23F3/06—Treating tea before extraction; Preparations produced thereby
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14—Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B7/00—Cleaning by methods not provided for in a single other subclass or a single group in this subclass
    • B08B7/0035—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like
    • B08B7/0057—Cleaning by methods not provided for in a single other subclass or a single group in this subclass by radiant energy, e.g. UV, laser, light beam or the like by ultraviolet radiation

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  • Physics & Mathematics (AREA)
  • Optics & Photonics (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Polymers & Plastics (AREA)
  • Physical Water Treatments (AREA)
  • Water Treatment By Sorption (AREA)

Abstract

A kind of tealeaves cleaning method, step are as follows: under ultraviolet light, the tealeaves containing pesticide residue and heavy metal ion is dipped in water, introduces anion in water, peeled away pesticide residue and heavy metal ion with tealeaves with ultrasonic wave；A kind of tealeaves cleaning device includes shell one, is equipped with ultraviolet source, supersonic generator and anion generator in shell in vivo.This tealeaves cleaning method and its device have the characteristics that not taint of odour, efficient quick, pesticide residue removal ability is strong, reduces beneficiating ingredient loss.

Description

A kind of tealeaves cleaning method and its device
Technical field
The present invention relates to tea processing field, specifically a kind of tealeaves cleaning method and its device.
Background technique
It during the growth of tea trees, can be with impurity such as dust, haze grain, worm's ovums, also due to problem of environmental pollution on tealeaves Heavy metal dusts may be contained, can also be sprayed insecticide, chemical fertilizer is applied.In fact, research that people endanger pesticide and impermeable It is thorough.In the 1930s, the effect of DDT is as insecticide by it has been found that most people it is thought that a kind of usual and harmless Product, and the harm of DDT until the sixties just gradually by it is found that and start it is disabled, for food safety, tealeaves institute The pesticide residue and heavy metal contained has attracted attention.If having heavy metal and pesticide remnant in tealeaves, we are when drinking When this kind of tea-drinking, although on the one hand the pesticide and heavy metal component of intake will not be very big, under bioconcentration, day is long-pending The moon is eaten tiredly will bring serious harm to human body.On the other hand, different pestsides synthesis using when may bring it is more serious Consequence, for example malathion pesticide and some other organic phospholipid are administered simultaneously can generate huge toxicity, are two kinds of substance poison Property be added 50 times, reason be malathion be used alone when, one of liver enzyme can be decomposed, and some organic Phosphate can inhibit the activity of this enzyme, so that the toxicity of malathion is completely released.
In existing tea making technology, all without cleaning link during most of tea processing, only small part is had clearly Wash link, method are as follows: one kind is used only water and cleans, and can not be effectively removed objectionable impurities, and a large amount of dimensions are lost in washing for a long time The beneficiating ingredients such as raw element, tea polyphenols；Another kind uses ozone elution method, but can make tealeaves taint of odour, and technique is cumbersome；No matter adopt Which kind of cleaned with mode, lengthening scavenging period can't make pesticide residue removal more.Secondly, tradition is made tea, although process includes The process of tea is washed, purpose is removal pesticide residue, tea grounds etc., it is also possible to bubbling out nutriment rich in from tealeaves (50% ~ 55% can be leached), and do not need to wash tea at all during making tea by the tealeaves that the present invention cleans, it is more to remain tea The ingredients such as phenol, amino acid, ether extract, these ingredients are not only beneficial to human health, and show the deliciousness of tea fully, compare it Under, tea making process washes tea than using the loss of beneficiating ingredient caused by hot water wash tea smaller during making tea with cold water.
Summary of the invention
In order to overcome the shortcomings of background technique, the present invention provides a kind of tealeaves cleaning method and its cleaning device.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of tealeaves cleaning method, step are as follows: ultraviolet Under light irradiation, the tealeaves containing pesticide residue and heavy metal ion is dipped in water, introduces anion in water, it will with ultrasonic wave Pesticide residue and heavy metal ion are peeled away with tealeaves.
Further, the water is hydrogen-rich water.
Further, tealeaves is washed with water after degrading pesticide residues and neutralisation heavy metal ion.
Further, the ultraviolet light is containing wavelength at least one in (240 ~ 280) nm wave-length coverage.
Further, the tealeaves cleaning method further includes adsorbing pesticide residue and heavy metal by adsorbent.
Further, the adsorbent is the adsorbent a kind of at least in active carbon, silica and aluminium oxide.
Further, the temperature of the water is held in 15 °C ~ 40 °C.
A kind of tealeaves cleaning device includes shell one in vivo, and ultraviolet source, supersonic generator are equipped in shell and is born Ion generator.
Further, the shell is additionally provided with hydrogen-rich water generator.
Further, the shell is additionally provided with adsorber module.
The beneficial effects of the present invention are: this tealeaves cleaning method and its device have not taint of odour, efficient quick, pesticide residue Removal ability is strong, reduces the characteristics of beneficiating ingredient loss.
Detailed description of the invention
Fig. 1 is that tealeaves cleans schematic diagram.
Fig. 2, Fig. 3 are tealeaves cleaning device structure chart.
In figure: 1- supersonic generator, 2- anion generator, 3- shell, 4- adsorber module, 5- ultraviolet source, 6- Ultrasonic bubble, 7- anion, 8- water inlet, 9- heavy metal, 10- tealeaves, 11- pesticide residue, 12- strainer, 13- upper water-out Mouthful, 14- lower outlet.
Specific embodiment
In order to make the objectives, technical solutions, and advantages of the present invention clearer, with reference to the accompanying drawings and embodiments, right The present invention is further elaborated.It should be appreciated that the specific embodiments described herein are merely illustrative of the present invention, and It is not used in the restriction present invention.
As long as in addition, the non-structure each other of technical characteristic involved in the various embodiments of the present invention described below It can be combined with each other at conflict.
As shown in Figure 1, a kind of tealeaves cleaning method, step are as follows: under ultraviolet light, pesticide residue and a huge sum of money will be contained The tealeaves for belonging to ion is dipped in water, introduces anion in water, is shelled pesticide residue and heavy metal ion with tealeaves with ultrasonic wave Leave next, the pesticide residue being stripped in ultraviolet light tealeaves and water, degrading pesticide residues and neutralisation heavy metal ion.
Above step carries out simultaneously, avoids many and diverse method of multi-process, and the microorganism, pesticide residue in tealeaves are ultraviolet The lower inactivation of line effect and denaturation, ultrasonic bubble elute pesticide residue and heavy metal from tealeaves, anion and a huge sum of money It is settled after belonging to ions binding.Ultrasonic wave and anion cleaning solve the problems, such as that pesticide dissolution is slow, time-consuming, and anion exists The concussion of macromolecular mass water is fissioned into small micel water by concussion in water, water is made to become superpower with penetration and dissolving power Subset active water, pesticide residue can be promoted to dissolve in water, play the role of auxiliary remove tealeaves surface pesticide residue.It can It is effectively removed the pesticide residue and heavy metal on 90% or more tealeaves surface in a short time, while reducing the leaching of tea component, The impurity such as detergent are not added, will not taint of odour, secondary pollution will not be formed.
In one embodiment, further, the water is hydrogen-rich water, and the negative redox potential range of hydrogen-rich water is ﹣ 150mV ~ ﹣ 600mV.On the one hand the pesticide residue on tealeaves surface is restored using the reduction effect of negative potential water, while utilizing hydrogen The Emulsification effect generated after the intensive release of gas in water, quickly removes the substances such as tealeaves surface pesticide residue, in anion item The small-micelle water generated under part may additionally facilitate the reduction effect and Emulsification effect of hydrogen-rich water, pass through the reduction effect and cream of hydrogen water The substances such as tealeaves surface pesticide residue can easily be removed by changing effect.On the other hand, under ultraviolet light, organophosphorus pesticide horse traction After the degradation of sulphur phosphorus, malaoxon is first generated, the reaction was continued, molecular breakdown, ultimately generates phosphoric acid, sulfuric acid, carbon dioxide and water, rich The alkalinity of hydrogen water is used to neutralize the acidity of pesticide residue, and it is miscellaneous that detergent etc. will not be also introduced while promoting chemical residual degradation Matter, improves the removal rate of pesticide residue, also avoids influencing tea leaf quality.
In one embodiment, further, tealeaves is washed with water after degrading pesticide residues and neutralisation heavy metal ion. Tealeaves is dipped in cleaning (2 ~ 10) min in water, after tealeaves degrading pesticide residues and neutralisation heavy metal ion, as shown in figure 3, will Tealeaves is placed in the middle layer of water with strainer, and pesticide residue is floated up to the water surface, anion combination heavy metal neutralisation by ultrasonic bubble After be settled down to the bottom, first pass through upper water-out mouth discharge shell upper layer water, remove pesticide residue；Shell is discharged by lower outlet again The water of body lower layer removes heavy metal, washes away the impurity such as the pesticide residue of adhesion, heavy metal, dust on tealeaves finally by flowing water.
The ultraviolet light is containing wavelength at least one in (240 ~ 280) nm wave-length coverage.In one embodiment, further, The ultraviolet wavelength is 253.7nm, and effective field intensity is 43 μ w/cm2, keep pesticide composition double bond disconnected by the effect of ultraviolet light It splits, phenyl ring open loop, destroys the combination between the organic carbon and other elements that constitute farm chemical ingredients, after pesticide molecule is destructurized most After be degraded into the low molecular compounds such as acids, alcohols, amine or corresponding oxide, by chemical residual degradation be small molecule convenient for inhale It is attached, at the same can also except degerm, the microorganisms such as virus.
In one embodiment, further, the tealeaves cleaning method further includes adsorbing pesticide residue by adsorbent And heavy metal, the adsorbent are the adsorbent a kind of at least in active carbon, silica and aluminium oxide, it can also be using big Macroporous adsorbent resin adsorbs the pesticide residue in water, prevents the pesticide residue eluted adhesion tealeaves again；It siphons away simultaneously different in water Taste (such as chemical residual degradation product), avoids tealeaves taint of odour, influences tea leaf quality.
The temperature of the water is held in 15 °C ~ 40 °C.In one embodiment, further, due to ultrasonic wave effect and purple Outside line irradiation may make water heat up, and temperature sense and automatic temperature control system can be such that water temperature is heated to automatically when lower than 15 °C 25 °C, 25 °C are cooled to automatically higher than 40 °C, water temperature can be set according to the activity of the various enzymes in tealeaves.Water temperature is controlled to press down The activity of various enzymes in tea making ingredient prevents the leaching of beneficiating ingredient, keeps the original quality of tealeaves and color constant.
In one embodiment, further, negative ion amount is (5 ~ 800) ten thousand/cm3, ultrasonic power be 20kHz ~ 130kHz.Heavy metal particles after in conjunction with anion can become larger and settle or be adsorbed, and the pesticide residue after removing The water surface, degradation and soluble in water or be adsorbed are floated on, since there are osmosises for tealeaves superficial cell, when cleaning by control Between and temperature, adsorbent absorption, it is therefore prevented that the interior suction and richness of pesticide residue and its catabolite and/or heavy metal on tealeaves Collection.
In one embodiment, further, the tealeaves rolls in water flow or air-flow, substantially can uniformly be shone by ultraviolet light It penetrates, sterilizes tealeaves adequately, degrading pesticide residues, be also convenient for pesticide residue and heavy metal is removed from tealeaves.
As shown in Fig. 2, a kind of tealeaves cleaning device, includes shell one, is equipped with ultraviolet source, ultrasonic wave in shell in vivo Generator and anion generator.Tealeaves is dipped in water, the bubble that supersonic generator generates by pesticide residue and heavy metal from Son is peeled away with tealeaves, anion generator generate anion with heavy metal ion in conjunction with and promotion pesticide residue stripping From the pesticide residue being stripped in the pesticide residue and water on ultraviolet light tealeaves, degrading pesticide residues and neutralisation are with much money Belong to ion.
In one embodiment, further, the shell is additionally provided with hydrogen-rich water generator, generates the hydrogen-rich with negative potential Water is to promote the degradation of pesticide residue.
In one embodiment, further, the shell is additionally provided with adsorber module, equipped with adsorbent for adsorbing water The middle pesticide residue and heavy metal for being detached from tealeaves, used adsorbent specific surface area can be from 15m2/ g~3000m2/ g selection, can To be the wherein at least one adsorbent materials such as active carbon, silica, aluminium oxide, MCM-41 molecular sieve.
In one embodiment, further, water inlet, upper water-out mouth and lower outlet, shell bottom are equipped in the shell Portion can also be equipped with airflow orifice, and water inlet is connected to water flow or gas shock tealeaves with airflow orifice, enables tealeaves uniform irradiation and promote Make its rolling to remove pesticide residue and heavy metal.
This tealeaves cleaning process does not additionally incorporate the detergent such as ozone, buck, pesticide degradable enzyme, will not taint of odour；Multilayer Secondary cleaning way can effectively remove at least 90% pesticide residue in a short time, moreover it is possible to germ, elution heavy metal are killed, It reduces beneficiating ingredient to leach, this tealeaves cleaning method has that not taint of odour, efficient quick, pesticide residue removal ability is strong, reduces and has The characteristics of beneficial ingredient is lost.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.

Claims (10)

1. a kind of tealeaves cleaning method, which is characterized in that step are as follows: under ultraviolet light, pesticide residue and a huge sum of money will be contained The tealeaves for belonging to ion is dipped in water, introduces anion in water, is shelled pesticide residue and heavy metal ion with tealeaves with ultrasonic wave It leaves and.
2. tealeaves cleaning method according to claim 1, it is characterised in that: the water is hydrogen-rich water.
3. tealeaves cleaning method according to claim 1, it is characterised in that: degrading pesticide residues and neutralisation heavy metal from Tealeaves is washed with water after son.
4. tealeaves cleaning method according to claim 1, it is characterised in that: the ultraviolet light contains (240 ~ 280) nm wavelength At least one wavelength in range.
5. tealeaves cleaning method according to claim 1, it is characterised in that: the tealeaves cleaning method further includes passing through suction Attached dose adsorbs pesticide residue and heavy metal.
6. tealeaves cleaning method according to claim 5, it is characterised in that: the adsorbent be active carbon, silica and Adsorbent a kind of at least in aluminium oxide.
7. tealeaves cleaning method according to claim 1, it is characterised in that: the temperature of the water is held in 15 °C ~ 40 ° C。
8. a kind of tealeaves cleaning device, which is characterized in that one in vivo including shell, shell is interior to be equipped with ultraviolet source, ultrasonic wave Generator and anion generator.
9. tealeaves cleaning method according to claim 8, it is characterised in that: the shell is additionally provided with hydrogen-rich water generator.
10. tealeaves cleaning method according to claim 8, it is characterised in that: the shell is additionally provided with adsorber module.
CN201811306668.3A 2018-11-05 2018-11-05 A kind of tealeaves cleaning method and its device Pending CN109261603A (en)

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Application Number Priority Date Filing Date Title
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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115316448A (en) * 2022-08-25 2022-11-11 安徽省农业科学院茶叶研究所 Manufacturing method of Huangshan Maofeng tea

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102742682A (en) * 2012-07-24 2012-10-24 王志深 Method for removing residual pesticide on dried tea leaves
CN203620998U (en) * 2013-10-22 2014-06-04 陈熊辉 Fresh tea leaf washing device
CN103932358A (en) * 2014-04-12 2014-07-23 大连双迪创新科技研究院有限公司 Fruit and vegetable cleaning machine
CN204192436U (en) * 2014-09-23 2015-03-11 广州英佩尔电子科技有限公司 A kind of target fruits and vegetables and utensil removing toxic substances washing device
KR20160073659A (en) * 2014-12-17 2016-06-27 농업회사법인 자연드림 주식회사 manufacturing method of a dust tea in using a ginseng leaf
CN106417709A (en) * 2016-11-25 2017-02-22 四川尚好茶业有限公司 Puer mulberry tea and preparation method thereof
CN107668491A (en) * 2017-11-14 2018-02-09 惠州市伯拉科技有限公司 The method for removing tealeaves remaining agricultural chemicals

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102742682A (en) * 2012-07-24 2012-10-24 王志深 Method for removing residual pesticide on dried tea leaves
CN203620998U (en) * 2013-10-22 2014-06-04 陈熊辉 Fresh tea leaf washing device
CN103932358A (en) * 2014-04-12 2014-07-23 大连双迪创新科技研究院有限公司 Fruit and vegetable cleaning machine
CN204192436U (en) * 2014-09-23 2015-03-11 广州英佩尔电子科技有限公司 A kind of target fruits and vegetables and utensil removing toxic substances washing device
KR20160073659A (en) * 2014-12-17 2016-06-27 농업회사법인 자연드림 주식회사 manufacturing method of a dust tea in using a ginseng leaf
CN106417709A (en) * 2016-11-25 2017-02-22 四川尚好茶业有限公司 Puer mulberry tea and preparation method thereof
CN107668491A (en) * 2017-11-14 2018-02-09 惠州市伯拉科技有限公司 The method for removing tealeaves remaining agricultural chemicals

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN115316448A (en) * 2022-08-25 2022-11-11 安徽省农业科学院茶叶研究所 Manufacturing method of Huangshan Maofeng tea

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Application publication date: 20190125