Liquid treating device

A liquid treatment and liquid technology, applied in the field of liquid treatment devices, can solve the problems of low plasma 805 generation efficiency, liquid 803 sterilization requiring a long time, high applied voltage, etc. improved effect

Active Publication Date: 2018-12-11
PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the case of the above-mentioned conventional liquid processing apparatus, not only a high applied voltage is required to vaporize th

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0035] [Embodiment 1]

[0036] Hereinafter, the liquid processing device 101 including the liquid processing unit 100 according to the embodiment of the present disclosure will be described in detail with reference to the drawings. In the drawings, the same symbols are assigned to the same or corresponding parts, and description thereof will not be repeated. In addition, in the drawings referred to below, the structures are simplified or schematically shown, or some constituent members are omitted for easy understanding of the description. In addition, the dimensional ratio between the constituent members shown in each figure always represents an actual dimensional ratio.

[0037] [the whole frame]

[0038] The liquid treatment device 101 includes at least a liquid treatment unit 100 having a microbubble generating unit 90, and a treated tank 41 holding a culture solution 42 for plant cultivation (refer to Figure 6D ). The liquid processing unit 100 functions as a device ...

Example Embodiment

[0077] [Embodiment 2]

[0078] like Figure 6E As shown, as the liquid processing apparatus 102 of Embodiment 2, the topdressing apparatus 45 is further provided with respect to the liquid processing apparatus 101 of Embodiment 1.

[0079] The topdressing device 45 is arranged between the microbubble generating part 90 and the tank 41 to be treated, and applies topdressing components such as potassium to the treatment liquid L2 supplied to the tank 41 to be treated.

[0080] In this way, if the topdressing device 45 is disposed downstream of the treatment tank 12 and the microbubble generator 90 , the balance of the topdressing component or the plurality of topdressing components applied to the treatment liquid L2 can be prevented from being disrupted by the discharge in the treatment tank 12 . That is, since the discharge is performed on the upstream side of the topdressing device 45, the influence of the discharge on the fertilizer components can be suppressed.

Example Embodiment

[0081] [Embodiment 3]

[0082] like Figure 6F As shown, the liquid processing device 103 according to the third embodiment further includes an electrical characteristic measuring device 46 and a top dressing control unit 47 relative to the liquid processing device 102 according to the second embodiment.

[0083] The electrical characteristic measuring device 46 is arranged between the microbubble generating part 90 and the top dressing device 45 , and measures the pH and electrical conductivity of the treatment liquid L2 supplied from the microbubble generating part 90 . The reason for measuring the pH or electrical conductivity of the treatment liquid L2 by the electrical characteristic measuring device 46 is that the composition changes due to discharge, so the measurement is performed immediately in front of the top dressing device 45, and based on the measurement result, the top dressing control unit 47 performs the measurement. The fertilizer components to be added by t...

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PUM

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Abstract

The invention provides a liquid treating device, comprising: a treating tank that generates a swirling flow by swirling an introduced liquid, to generate a gas phase in the vicinity of a swirling center of the swirling flow of the liquid; a first electrode, and at least a part of the first electrode being disposed in the treating tank and contacts with the liquid in the treating tank; a second electrode, configured to contact with the liquid in the treating tank; and a power supply, applying voltage between the first electrode and the second electrode to generate plasma in the gas phase.

Description

technical field [0001] The present disclosure relates to a liquid treatment device for electrochemically treating liquid, and to a device capable of growing plants with sterilized water by supplying the treatment liquid. Background technique [0002] exist Figure 15 An example of a conventional liquid processing apparatus is shown in . A liquid processing device is known in which a first electrode 801 and a second electrode 802 are disposed in a liquid 803 (for example, water), and a high voltage pulse is applied between the first electrode 801 and the second electrode 802 from a pulse power supply 804 . The liquid 803 is vaporized to generate plasma 805, and the liquid 803 is subjected to plasma treatment to sterilize the liquid 803 with components having oxidizing power such as hydroxyl radicals (OH radicals) or hydrogen peroxide. In particular, OH radicals are known to have a high oxidizing ability, and these components are considered to have a high bactericidal effect ...

Claims

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Application Information

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IPC IPC(8): C02F1/30
CPCC02F1/30C02F2303/04
Inventor 松田源一郎北井崇博山田芳生三宅岳北原由纪子
Owner PANASONIC INTELLECTUAL PROPERTY MANAGEMENT CO LTD
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