KR20110041022A - A soil sterilizing device and methods - Google Patents

Abstract

PURPOSE: Soil sterilizing method and apparatus are provided to prevent crops from being damaged due to pine wilts or pathogenic viruses by eliminating the eggs of worms and seeds. CONSTITUTION: An oxidizing agent solution is applied to target soil. The target soil passes through a transferring tunnel(26) equipped with super high frequency oscillator(40). Water molecules contained in the target soil is vibrated to heat the soil. Oxygen atoms or agricultural pesticides are oxidized in addition to radiate strong ultraviolet ray to the heated soil. The oxygen atoms are oxidized materials generated in the decomposing process of the oxidizing agent solution.

Description

Soil sterilization method and sterilizer {A SOIL STERILIZING DEVICE AND METHODS}

The present invention relates to a method for sterilizing and disinfecting soil using a calcium permanganate solution or a small amount of hydrogen peroxide solution and high frequency and ultraviolet rays, and in detail, to simultaneously treat organic organisms such as microorganisms and seeds of plants and residual pesticides or oil components in soil. For the purpose of preliminary removal of biological or chemical hazards of soil covering soil (tops) or soil covering the medium during mushroom cultivation, before planting seedlings in place. After spraying a small amount of hydrogen peroxide solution on the soil, it passes through a transfer tunnel equipped with a plurality of ultra-high frequency oscillators and vibrates water molecules contained in the soil to generate a heating effect. Acid which is killed and generated during decomposition of oxidant Of a material is an oxygen atom or a hydroxyl group is irradiated with strong ultraviolet light continuously to the heated soil while simultaneously oxidizing the agricultural chemical components, such as solvent yugisueun been made in such a way to help the process of sterilization with oxidizing.

Conventional methods for soil sterilization have been used as soil disinfectants such as chloropicrine and methyl bromide. These chemicals have good sterilization effect, but they are difficult to handle because they are toxic and gaseous. They have formed residues and have no treatment for chemical contamination, which has increased the chemical pollution of soil. It did not work on such organisms.

On the other hand, the existing soil sterilization method or apparatus searched by the applicant is a 'soil sterilization method and soil sterilization device of the Patent No. 472190, at least in the soil to kill the organisms in the soil containing the parasites or pathogens of the crop Inhalation formed with a method of using an exothermic reaction between a first substance and a second substance, a 'high temperature sterilizer' of Utility Model Registration No. 142798, and a suction tube for sucking sand contaminated by the 'Sand Sterilizer' of Utility Model Registration No. 422054 A machine room provided with a pump and having a discharge pump having a discharge pipe for discharging the sterilized sand to the outside; It is installed on one side of the machine room, the contaminated sand from the suction pump is supplied through a connecting pipe and washed with a high pressure underwater, and the burner is composed of a plurality of burners made of cylindrical shape and made to 1500 ℃ Celsius A sterilization chamber through which the sterilization is disinfected; It is disclosed that the raw material tank which is installed on one side of the sterilization chamber, is provided with a raw material tank for supplying the raw material to the burner, and comprises an auxiliary chamber having a water tank including a water pump for supplying water to the sterilization chamber have.

The present invention has been made to solve the above problems, an object of the present invention is to completely kill all living organisms inhabiting the soil such as seedling soil or soil of mushroom medium in a non-chemical way and furthermore, It is to provide an economical and rapid sterilization and oxidation treatment technology that can completely remove the same harmful chemicals.

In order to achieve the above object, the present invention comprises the steps of spraying the soil with a calcium permanganate solution or hydrogen peroxide solution (hereinafter referred to as "oxidant") dissolved calcium permanganate in water; A high frequency heating step of allowing the oxidant-spreaded soil to pass through a transport tunnel in which an ultra-high frequency oscillator is installed, thereby resonating water molecules contained in the soil to have an exothermic effect; Irradiating strong ultraviolet rays to the heated soil at the same time as oxidizing an organic pesticide component such as an organic mercury solvent with an oxygen atom generated from the decomposition of the oxidant or a hydroxyl group generated therefrom; Provides a harmless treatment method, including pesticides, sterilization of the soil, including.

In addition, the soil sterilization apparatus of the present invention is an oxidant spreader for spraying a trace solution of oxidant to the soil, a plurality of ultra-high frequency oscillator to generate heat by vibrating the water molecules contained in the liquid oxidizer sprayed soil and generated ultra-high frequency A transfer tunnel in the form of a resonator for effectively transferring the soil, and a transfer conveyor for continuously transferring soil to the transfer tunnel; UV light is applied to the treated soil to help oxidize the oxidant and kill fall-out bacteria.

The present invention can be widely used in mushroom cultivation or pots (potted plants) that need to cover soils or mixed soils that need to be sterilized, and completely kill the seeds and insects existing in the soil using ultra-high frequency as well as decomposing pesticide residues. As it has a useful effect, it has the effect of reducing crop damage by re-nematodes or pathogenic viruses and restoring soil contaminated with oil and pesticides.

Hereinafter, with reference to the accompanying drawings, preferred embodiments that do not limit the present invention will be described in detail.

1 is a flowchart illustrating a soil sterilization process of a soil sterilizer using a liquid oxidant solution and a high frequency and ultraviolet light according to the present invention, and FIG. 2 is a side view of the sterilizer according to an embodiment of the present invention.

1 and 2, the soil sterilization method and sterilization apparatus according to the present embodiment comprises the steps of spraying the calcium permanganate solution to the soil to be treated, such as soil for seedlings or mushroom cover (S1); A high frequency heating step (S2) of injecting the treated soil sprayed with the oxidant solution into the microwave resonator to vibrate the water molecules contained in the treated soil to generate a heating effect; Irradiating strong ultraviolet rays continuously to the heated soil at the same time as oxidizing an organic mercury solvent such as an oxygen atom or a hydroxyl group generated during the decomposition of the oxidant in the step; Consists of including.

Sterilization apparatus according to the present invention is a hopper 10 containing the soil to be treated as shown in Figure 2, the transfer conveyor 20 for transporting the treated soil contained in the hopper 20, and the transfer from the hopper Oxidizer spreader 30 for spraying the oxidant to the soil to be treated while being loaded on the conveyor 20, a plurality of ultra-high frequency oscillator 40 for vibrating and generating heat molecules of water contained in the soil to be sprayed with the oxidant and the generated ultra-high frequency It comprises a transport tunnel 26 made of a resonator form to effectively transmit to the soil, and an ultraviolet lamp 50 for irradiating the ultraviolet light through the ultra-high frequency oscillator 40.

Although not shown in the drawing, the hopper 10 may be further provided with a stirrer or a pulverizer for stirring and pulverizing the treated soil introduced into the hopper 10 in the present embodiment. It may be further provided with a quantitative discharge means (screw, etc.) to be discharged by a predetermined amount to one side of the conveying conveyor 20 communicated.

The conveying conveyor 20 is a process of spraying the calcium permanganate solution (S1) with the above-mentioned process while receiving the treated soil input from the hopper 10 and transporting it to the other side; After sterilization is performed through the high frequency heating step (S2) and the ultraviolet irradiation step (S3) in order to be discharged to the outside, the other side of the conveying conveyor 20, such as a collecting container for collecting the treated soil, which has been sterilized. Install and transport to places where sterilized soil is needed.

Soil sterilization apparatus according to the present invention by installing a moving wheel 24 in the lower frame 22 of the transfer conveyor 20 to be movable as shown in Figure 2 so that the device itself can be moved to the required place It is desirable to.

On the other hand, in the upper part of the conveying conveyor 20, the transport tunnel 26 is formed in the form of a tunnel to be treated soil so that the oxidant solution spraying, high frequency heating and ultraviolet irradiation in a closed space is installed, this transport tunnel (26) is composed of a metal plate to block the outflow of the ultra-high frequency and consists of a resonator to inject all the generated high-frequency into the soil, the oxidizer spreader 30, the ultra-high frequency oscillator 40 and the ultraviolet lamp 50 in order It is installed.

The oxidant spreader 30 stores the oxidant solution and supplies it to the treated soil through the spray nozzle. The concentration and supply amount of the hydrogen peroxide water are adjusted and adjusted according to the soil state and moisture content of the treated soil.

The moisture content of general soil is 17-20% for granite weathered soil, 19-24% for black organic soil, and 10-17% for dry paddy soil (within shrinkage limit).

In the present invention, by spraying 30% calcium permanganate solution, or 3% hydrogen peroxide to increase the weight of the treated soil in the natural state 3 to 5%, organic mercury or less than 50ppm oil in the soil where the organic mercury-based residual pesticide is 100ppm or less In order to deal with the pollution, it is preferable that the concentration of the oxidant increases with the pollution concentration of the soil.

The ultra-high frequency oscillator 40 is a magnetron of 2450MHz band, which is used as a heating means in a microwave oven, etc. by electromagnetic vibration close to the resonance frequency of water molecules, and the characteristic of ultra-high frequency heating is the effect on the internal heating of the object to be heated and in the direct heating method. Whereas heat penetrates internally from the surface of the object to be heated, the interior of the object to be heated is first heated.

The magnetron used in the present invention, that is, the ultra-high frequency oscillator 40 is an amount of power that is insufficient to treat a large amount of soil in a short time with an output of 1000W / hr. Therefore, in the present invention, a plurality of magnetrons are arranged in one resonator (transport tunnel), but the 1st, 3rd, 5th magnetrons in the (+) period of the power supply frequency (60 Hz), and the 2nd, 4th, 6th in the (-) period. The magnetrons are operated so that the interference effects can be eliminated.

In the drawing, reference numeral 42 denotes a power supply for supplying power to the ultra-high frequency oscillator 40, reference numeral 44 denotes an inlet through which external cooling air flows in order to discharge heat generated when the ultra-high frequency oscillator 40 operates. Is a blower unit for dissipating the heat inside.

On the other hand, the lethal amount of microorganisms by ultraviolet rays is shown in the following table.

[Table 1] 99.9% lethal dose of various microorganisms due to ultraviolet rays (UV 254nm, mW / Sec / ㎠)

Kinds  Name Lethal dose Kinds Name Lethal dose foil
rim
Lee
Ah Bacillus anthracis 8.7 Sarcina Lutea 26.4 B.enteritidis 7.6 Serratia marcescens 6.2 B.Megatherium sp. (veganative) 2.5 Shingella dysenteriae 4.2 B.Megatherium sp. (spore) 5 Shingella paradysenteriae 3.4 B.paratyphosus 6.1 bear
phut
this
artillery
character Aspergillus flavus 99 B.subtillis (veganative) 11 Aspergillus Glaucus 88 B.subtillis (spore) 58 Aspergillus niger 330 Clostridium tetani 22 Mucor racemosus A 35.2 Colynebacterium diphtheria 6.5 Mucor racemosus B 35.2 Escherichia coli 7 Oospora lactis 11 Leptospira interrorans 6 Penisillium digitatum 8.8 Micrococcus candidus 12,3 Penisillium Expansum 22 Micrococcus sphaeroides 15.4 Penisillium roqueforti 26.4 Mycobacterium tuberculosis 10 Rhizopus nigricans 220 Neissellia catarrhalis 8.5 article
Liu Chlorella vulgaris (algae) 22 Phytomonas tumefaciens 8,5 Nematod eggs 92 Proteus vulgaris 6,6 Paramecium 200 Pseudomonas aeruginosa 10,5 bar
this
Naughty
S Bacteriophage (E.coli) 6.6 Pseudomonas fluorescens 6.6 Hepatitis virus 8 Samonella enteritidis 7,6 Influenza virus 6 Samonella paratyphi 6.1 Polio virus 6 Samonella typhimulium 15.2 Rotavirus 24 Samonella typhosa (Typhoid) 6 Tabacco mosaic 440

In the present invention, the ultraviolet lamp 50 has an output of 350mW or more with a light output of 254nm having a lethality of 99% or more even for spores of Aspergillus Niger.

1 is a flowchart showing the soil sterilization process of the soil sterilization apparatus according to the present invention,

Figure 2 is a side view of the soil sterilization apparatus according to an embodiment of the present invention.

DESCRIPTION OF THE REFERENCE NUMERALS

10: Hopper 20: Transfer Conveyor

22: frame 24: wheel for movement

26: transfer tunnel 30: oxidizer spreader

40: ultra high frequency oscillator 50: ultraviolet lamp

Claims (4)

Spraying an oxidizing agent solution on the treated soil such as seedling soil or mushroom cover; A high frequency heating step (S2) of passing the treated soil sprayed with the oxidizing agent solution through a transport tunnel provided with an ultra-high frequency oscillator to vibrate water molecules contained in the treated soil to generate a heating effect; Irradiating strong ultraviolet rays continuously to the heated soil at the same time as oxidizing an agrochemical component containing an organic mercury solvent with an oxygen atom or a hydroxyl group, which is an oxidant generated during the decomposition of the oxidant in the step (S3); Soil sterilization method comprising a. A hopper 10 for containing the soil to be treated, a transport conveyor 20 for transporting the soil to be treated contained in the hopper 20, and a target to be processed while being loaded onto the transport conveyor 20 from the hopper 10. An oxidant spreader 30 for spraying the oxidant to the soil, an ultra-high frequency oscillator 40 for vibrating and generating water by vibrating water molecules contained in the oxidized sprayed soil, and a resonator for delivering the generated high frequency to the soil effectively. A soil sterilization apparatus comprising a tunnel 26 and an ultraviolet lamp 50 for irradiating ultraviolet light to the soil which has passed through the ultra-high frequency oscillator 40. The method according to claim 1, The oxidizing agent is a soil sterilization device, characterized in that the aqueous solution of hydrogen peroxide or 30% to 50% calcium permanganate solution. The method according to claim 2, The ultra-high frequency oscillator 40 is arranged at two wavelength intervals in the transfer tunnel 26 installed on the transfer conveyor 20, and the phase of the power frequency is crossed so that the even numbered oscillator and the odd numbered oscillator alternately oscillate. Soil sterilizer, characterized in that.

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