EP1381273A1 - Procede et appareil de lutte contre les insectes - Google Patents

Procede et appareil de lutte contre les insectes

Info

Publication number
EP1381273A1
EP1381273A1 EP02731012A EP02731012A EP1381273A1 EP 1381273 A1 EP1381273 A1 EP 1381273A1 EP 02731012 A EP02731012 A EP 02731012A EP 02731012 A EP02731012 A EP 02731012A EP 1381273 A1 EP1381273 A1 EP 1381273A1
Authority
EP
European Patent Office
Prior art keywords
dry matter
treatment chamber
high voltage
discharge
glow discharge
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.)
Withdrawn
Application number
EP02731012A
Other languages
German (de)
English (en)
Inventor
Hubertus Van Houten
Henk Arnold Jenner
Wijnand Reijer Rutgers
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.)
IV-Consult BV
Kema NV
Original Assignee
IV-Consult BV
Kema NV
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 IV-Consult BV, Kema NV filed Critical IV-Consult BV
Publication of EP1381273A1 publication Critical patent/EP1381273A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/02—Preserving by heating
    • A23B9/04—Preserving by heating by irradiation or electric treatment
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M1/00—Stationary means for catching or killing insects
    • A01M1/22—Killing insects by electric means
    • A01M1/223—Killing insects by electric means by using electrocution
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M17/00—Apparatus for the destruction of vermin in soil or in foodstuffs
    • A01M17/008—Destruction of vermin in foodstuffs
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A—HUMAN NECESSITIES
    • A23—FOODS OR FOODSTUFFS; TREATMENT THEREOF, NOT COVERED BY OTHER CLASSES
    • A23B—PRESERVING, e.g. BY CANNING, MEAT, FISH, EGGS, FRUIT, VEGETABLES, EDIBLE SEEDS; CHEMICAL RIPENING OF FRUIT OR VEGETABLES; THE PRESERVED, RIPENED, OR CANNED PRODUCTS
    • A23B9/00—Preservation of edible seeds, e.g. cereals
    • A23B9/06—Preserving by irradiation or electric treatment without heating effect
    • 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
    • A23L3/005—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by heating using irradiation or electric treatment
    • 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
    • A23L3/266—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by irradiation without heating with corona irradiation
    • 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
    • A23L3/32—Preservation of foods or foodstuffs, in general, e.g. pasteurising, sterilising, specially adapted for foods or foodstuffs by treatment with electric currents without heating effect
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01M—CATCHING, TRAPPING OR SCARING OF ANIMALS; APPARATUS FOR THE DESTRUCTION OF NOXIOUS ANIMALS OR NOXIOUS PLANTS
    • A01M2200/00—Kind of animal
    • A01M2200/01—Insects
    • A01M2200/012—Flying insects

Definitions

  • the present invention relates to a method and apparatus for killing entomology in dry matter.
  • Dry matter such as foodstuffs that are transported in bulk (rice, cereals, flour- spices, granules., grains, seeds, humus)
  • entomology that is to say insects, insect larvae and insect eggs which feed on the dry matter.
  • chemical agents such as methyl bromide.
  • the use of these chemical agents has many disadvantages, Not only are these toxic substances, which are undesirable from the environmental standpoint, but a (minimal) proportion of the chemical substance also often remains behind in. the treated dry matter.
  • the aim of the present invention is to provide an alternative for killing entomology in dry matter.
  • a method of the type defined in the preamble in which the method comprises the steps of generating a corona discharge or a glow discharge in a treatment chamber and passing the dry matter through the treatment chamber.
  • the dry matter is, for example, a dry foodstuff in bulk form, such as rice, cereals, flour, spices, granules or grains.
  • Glow discharge is a discharge generated by high voltage under a vacuum in a homogeneous field.
  • Corona discharge is a discharge generated by high voltage in a highly mhomogeneous field under atmospheric pressure.
  • the corona or glow discharge is generated in the treatment chamber by supplying (AC) high voltage pulses to electrode means.
  • the electrode means can, for example, be formed by a flat earth plate and a number of thin wires or small flat plates or ceramic pipes parallel to the flat plate.
  • the high voltage pulses have a peak voltage of 2 kV or more, for example more than 20 kV, and the peak voltage is, for example, 40 kV in order to generate the corona discharge and 1 kV or more, for example 2 kV, in order to generate the glow discharge.
  • the high voltage pulses for the corona discharge have a pulse width of approximately 1 ⁇ sec and the high voltage pulses for the glow discharge have a pulse width of more than approximately 100 ⁇ sec.
  • the present invention relates to an apparatus for killing entomology in dry matter, comprising a treatment chamber through which the dry matter can be fed and means for generating a corona in the treatment chamber.
  • free radicals which kill the entomology, are produced by the corona in the treatment chamber.
  • the means for generating a corona or glow discharge comprise electrode means that are placed in the treatment chamber and a high voltage power supply that is connected to the electrode means and is equipped to supply alternating voltage or high voltage pulses to the electrode means.
  • the electrode means have to generate a homogeneous corona or glow discharge and comprise, for example, a first fiat earthed plate and a second flat plate that is arranged opposite the first flat plate and comprises a plurality of electrodes in the form of protrusions,
  • the first and second flat plates are parallel to one another and the protrusions on the second flat plate are oriented towards the first fiat plate;
  • the second flat plate is made of insulating material and provided with a series of ceramic tubes in which electrodes are located.
  • the apparatus further comprises a control device for controlling the high voltage power supply.
  • a control device for controlling the high voltage power supply.
  • the peak voltage of, or the current during, the high voltage pulses, the pulse width and the repeat frequency can be set depending on the substance to be treated.
  • the apparatus further comprises a discharge detector that is connected to the control device.
  • the discharge detector can be of the optical type, which detects the optical effects of corona or glow discharge, or of the current type, which detects the current pulses of the high voltage power supply to the electrode- means.
  • a manometer can also be present for measuring the gas pressure. By this means a feedback loop that ensures reliable generation of the corona or glow discharge can be implemented in the control device.
  • the controller can reduce the voltage in the event of electric arcing or if sparks arise.
  • the apparatus has a sensor that is positioned in the treatment chamber upstream of the electrode means and is connected to the control device to provide information on at least one property of the dry matter and the control device is further equipped to control the high voltage power supply in accordance with the information.
  • the sensor can, for example, measure the degree of humidity of the dry matter to be treated, after which the control device adapts the characteristics of the high voltage pulses accordingly.
  • the apparatus furthermore has separating means for separating the dry matter that has been passed through depending on a signal from the discbarge detector.
  • Fig. 1 shows,, diagrammatically, one embodiment of the apparatus according to the present invention
  • Fig. 2 shows, in cross-section, an electrode of the apparatus shown in Fig. 1; and Figs 3a and 3b show, in section, two variants of the electrode arrangement in the apparatus in Fig. 1,
  • the dry matter can be a dry foodstuff, such as rice, cereals, flour, spices, granules or grains.
  • large insects > 5 mm
  • other smaller insects are not separated off by the sieving method. Examples of the smaller insects are the mealworm beetle (Tenebrio molitor) and rice weevil (Sitophilus oryzae). Frequently insect larvae and eggs are also too small or have been laid in the dry matter itself, as a result of which these can also not be removed by sieving.
  • Fig. 1 shows, diagrammatically, an apparatus 10 according to the present invention.
  • the dry matter is fed via a feed device IS to a treatment chamber 16.
  • the treatment chamber 16 is, for example, of rectangular cross-section and is delimited by walls 17, 1 .
  • the treatment chamber 16 can have been provided with input and output locks to make it possible to obtain a reduced pressure in the treatment chamber.
  • the treated dry matter is discharged via a discharge device 20 for further processing (such as packing or storage).
  • Electrodes 12, 14 are placed in the treatment chamber 16.
  • the electrodes 12, 14 are two plate-shaped electrodes that have been placed in the walls 17, 19 of the treatment chamber 16.
  • the two electrodes 12, 14 are connected to a high voltage power supply 22, which is controlled by a control device 23.
  • the control device 23 and high voltage power supply 22 are equipped such that short high voltage pulses are supplied to the electrodes 12, 14.
  • alternating voltages with a frequency of 50 or 60 Hz are used.
  • the distance between the walls 17, 19 can also be varied.
  • the irihomogeneous electrical field between the electrodes 12, 14 is dependent on the conductivity of the substance between the electrodes 12, 14 (the dielectric).
  • the conductivity is dependent on which substance is fed between the electrodes 12, 14.
  • the distance between the electrodes 12, 14 can be adjusted manually or by a servomotor under the control of the control means 23.
  • the high voltage pulses have a peak voltage of more than 2 kV, more than 5 kV or even more than 20 kV.
  • the peak voltage is even 40 kV.
  • the pulse duration of the high voltage pulses is approximately 1 ⁇ sec for the corona discharge and more than 100 ⁇ sec for the glow discharge.
  • the treatment chamber 16 has a shape such that all dry matter is fed past the electrodes 12, 14, and can have a cylindrical or rectangular cross-section.
  • the high voltage pulses give rise to a corona in the region around the electrodes 12, 14 in the treatment chamber 16 under atmospheric pressure and in the case of a vacuum in the treatment chamber 16 give rise to a glow discharge.
  • the corona or glow discharge gives rise to the formation of UV photons, free radicals and ions by ionisation in the treatment chamber 16 (or more accurately in the mixture of dry matter and air, as a result of which transport of the dry matter becomes possible).
  • the oxygen O 2 ) in the treatment chamber 16 is converted into ozone (O 3 ), or OH * is formed from water vapour. This oxygen can be between the particles of dry matter, within the dry matter itself or in the entomology present in the dry matter.
  • the ozone kills the entomology present in the dry matter.
  • a secondary effect that arises is that the free radicals also produce a reduction in the number of microorganisms (bacteria and moulds) in the dry matter.
  • the killed entomology is separated from the dry matter with the aid of methods known per se.
  • the apparatus 10 further comprises a sensor 24 that is connected to the control device 23.
  • the sensor measures one or more properties of the dry matter that is being fed through the treatment chamber 16, such as the humidity, and possible further parameters that are of importance, such as the atmospheric humidity of the environment.
  • the control device 23 is then able to influence the control of the high voltage power supply 22 on the basis of the data received.
  • the humidity of the dry matter ill be higher than is the case in dry weather.
  • the conductivity of the dry matter increases, as a result of which the control device 23 has to control the high voltage power supply 22 in a different way.
  • the apparatus 10 can also be equipped with a discharge detector 26 that is connected to the control device 23, Depending on the detection of the presence of a corona, glow discharge, sparks or arcing, a feedback to the control device 23 can be implemented.
  • the discharge detector 26 can be an optical detector 26, which, for example, comprises a fibre optic sensor and a light detector (not shown) that are able to detect light that is generated by the discharges.
  • a current sensor 27 which measures the short current pulses (less than 100 ⁇ s) of the corona discharges, can be incorporated in the connection between the high voltage power supply 22 and the electrodes 12, 14.
  • the detectors 26, 27 can also be used to detect arcing. Arcing must always be prevented, because a severe voltage drop then occurs between the " electrodes and a corona or homogeneous glow discharge is not produced, as a result of which some of the product remains untreated.
  • the electrodes 12, 14 can have many different shapes. For generating glow discharge the electrodes must generate a homogeneous field. This can be achieved in an embodiment in which an electrode 12 is constructed as a flat plate and a further electrode 14 is constructed as a plate with a multiplicity of sub-electrodes, for example with a large number of wire electrodes surrounded by insulating pipes. A highly inhomogeneous field is needed for the generation of a corona discharge.
  • an electrode 12 as a flat plate and constructing a further electrode 14 as a plate with a plurality of pointed protrusions which extend towards the electrode 12 (fakir bed), h an alternative embodiment one of the electrodes 12, 14 can be constructed as a plate (flat or cylindrical) and a further electrode 12, 14 can be constructed as a multiplicity of wires which run parallel to the plate.
  • the electrodes 12, 14 are made of a conducting material, such as copper.
  • a conducting material such as copper.
  • the electrode 12 shown in Fig. 2 which consists of a glass or plastic body 28 with a conducting layer 29 of a metal foil or coating thereon.
  • the electrodes 12, 14, or one of the electrodes 12, 14, to have an insulating layer 30 precisely on that part that is located in the treatment chamber 16 (see Fig. 3b below). As a result, the risk of arcing, for example because of reasonably conductive dry matter, is reduced.
  • Figs 3a and 3b Two alternative configurations of the electrodes 12, 14 are shown in Figs 3a and 3b.
  • the two electrodes are arranged coaxially with respect to one another.
  • One of the electrodes, electrode 12 here, in this case forms the outside wall 17 of the treatment chamber 16.
  • the inner electrode 14 can also be a cylinder (Fig. 3a) or solid rod-shaped electrode or wire (Fig. 3b).
  • the outer electrode 14 m the configuration shown in Fig. 3b can be provided with an insulating layer 30 on the side facing the other electrode 12.
  • the insulating layer 30 can, for example, be made of glass or ceramic.
  • the wall 17 of the treatment chamber 16 (or outer electrode 12) must be electrically insulated from the feed and discharge device 18, 0.
  • various parallel treatment chambers 16 containing electrodes 12, 14 can be provided, or electrodes of other dimensions can be used.
  • the treatment chamber 16 of the apparatus 10 must remain filled with dry matter.
  • the apparatus 10 can also contain a vibratory element (not shown).
  • the apparatus 10 is furthermore provided with an outflow drum 31 in the discharge device 20.
  • the outflow drum 31 can be driven (for example depending on the level of the dry matter in the feed device 18) in order to ensure a uniform throughput.
  • the outflow drum 31 can also be used for a further purpose. Depending on the detection of a corona or glow discharge by the control means 23, the outflow drum 31 is driven in a specific direction. In this way product that has been correctly treated can, for example, be discharged via collection means 32 and product that has not been correctly treated can be discharged via further collection means 33. The product in the further collection means 33 can then be treated again,

Landscapes

  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Food Science & Technology (AREA)
  • Chemical & Material Sciences (AREA)
  • Polymers & Plastics (AREA)
  • Wood Science & Technology (AREA)
  • Zoology (AREA)
  • Health & Medical Sciences (AREA)
  • Pest Control & Pesticides (AREA)
  • Nutrition Science (AREA)
  • Insects & Arthropods (AREA)
  • Environmental Sciences (AREA)
  • Toxicology (AREA)
  • Soil Sciences (AREA)
  • Physics & Mathematics (AREA)
  • Plasma & Fusion (AREA)
  • Apparatus For Disinfection Or Sterilisation (AREA)
  • Physical Or Chemical Processes And Apparatus (AREA)
  • Food Preservation Except Freezing, Refrigeration, And Drying (AREA)

Abstract

L'invention concerne un procédé et un appareil (10) permettant de lutter contre les insectes dans la matière sèche. Cet appareil comprend une chambre de traitement (16), à travers laquelle on peut introduire la matière sèche, et un dispositif (12, 14, 22) servant à produire une décharge coronaire ou luminescente dans la chambre de traitement (16). Ce dispositif de production de décharge coronaire ou luminescente comprend un dispositif à électrode (12, 14) placé dans la chambre de traitement (16) et une alimentation haute tension (2) connectée au dispositif à électrode (12, 14) et équipée pour alimenter le dispositif à électrode (12, 14) en courant haute tension.
EP02731012A 2001-04-26 2002-04-26 Procede et appareil de lutte contre les insectes Withdrawn EP1381273A1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
NL1017942A NL1017942C2 (nl) 2001-04-26 2001-04-26 Werkwijze en inrichting voor het afdoden van entomologie.
NL1017942 2001-04-26
PCT/NL2002/000284 WO2002089569A1 (fr) 2001-04-26 2002-04-26 Procede et appareil de lutte contre les insectes

Publications (1)

Publication Number Publication Date
EP1381273A1 true EP1381273A1 (fr) 2004-01-21

Family

ID=19773304

Family Applications (1)

Application Number Title Priority Date Filing Date
EP02731012A Withdrawn EP1381273A1 (fr) 2001-04-26 2002-04-26 Procede et appareil de lutte contre les insectes

Country Status (3)

Country Link
EP (1) EP1381273A1 (fr)
NL (1) NL1017942C2 (fr)
WO (1) WO2002089569A1 (fr)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2006128930A2 (fr) * 2005-06-02 2006-12-07 Minano Fernandez Fernando Procede d'hygienisation et anti-contagion par ozonisationpermettant la protection permanente de produits perissables
CN104883881A (zh) * 2012-12-30 2015-09-02 国立大学法人东北大学 病原菌及害虫驱除方法以及病原菌及害虫驱除装置
CN104012499B (zh) * 2014-05-15 2016-07-27 罗源 粮仓粮食出入库专用杀虫装置及方法
JP6464009B2 (ja) * 2015-03-27 2019-02-06 大亜真空株式会社 プラズマ殺菌駆除装置
EP3120875B1 (fr) * 2015-07-20 2017-07-12 Hilgenberg GmbH Dispositif d'ionisation
CN109730052A (zh) * 2019-03-06 2019-05-10 汪林琳 一种市政用树木防护装置
KR102142484B1 (ko) * 2019-11-26 2020-09-14 송유섭 플라즈마를 이용한 꿀벌통내 꿀벌응애 방제 장치

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU1577751A1 (ru) * 1988-09-20 1990-07-15 Челябинский Институт Механизации И Электрификации Сельского Хозяйства Способ подготовки корнеплодов к длительному хранению
US5925324A (en) * 1996-09-30 1999-07-20 Paradigm Technologies Magnetohydrodynamic sterilization method and apparatus
TW355668B (en) * 1998-02-06 1999-04-11 Purepulse Technologies Inc A process for preparing/preserving a pumpable foodstuff to provide a foodstuff with significantly reduced microbial levels with minimal, changes in the flavor, appearance, odor, or function
NL1009334C2 (nl) * 1998-06-05 1999-12-13 Nl Zuivelonderzoek Inst PEF-behandelsysteem.
NL1010529C2 (nl) * 1998-11-11 2000-05-15 Inst Voor Agrotech Onderzoek Geïntegreerde modulaire opbouw van een pulsed electrical field systeem.

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See references of WO02089569A1 *

Also Published As

Publication number Publication date
WO2002089569A1 (fr) 2002-11-14
NL1017942C2 (nl) 2002-10-29

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