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Devices for fluid handling
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A technology of fluid treatment and treatment chamber, which is applied in the direction of gas discharge lamps, parts of gas discharge lamps, electrical components, etc., to achieve high safety effects
Inactive Publication Date: 2019-07-09
USHIO DENKI KK
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[0005] However, in conventional fluid processing devices, the electrodes (external electrodes) at high voltage during the processing operation are exposed to the outside, or the state of emitting light is maintained even when processing is not necessary. want more security
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Embodiment 1
[0098] according to figure 1 , A fluid processing device (hereinafter, also referred to as "liquid processing device (1)") was fabricated for the purpose of decomposing (TOC decomposition) organic matter contained in water.
[0099] The produced liquid processing device (1) had the following specifications.
[0100] Light emission length of the discharge space forming unit (20): 150mm
[0106] Cap parts (16A, 16B); material: polytetrafluoroethylene
[0107] Drive power supply (19); type: high-frequency AC power supply, voltage (peak-p...
Embodiment 2
[0114] A liquid processing device (hereinafter, also referred to as "liquid processing device (2)") was prepared in the same manner as in Example 1 except that the lead-out catheter did not have a conductive portion.
[0115] For the liquid treatment device (2), when the same as in Example 1, the flow rate of the fluid to be treated in the treatment chamber (S) from the supply port becomes the supply condition of 2L / h, the supply conductivity is 40 μS / cm and the TOC concentration In the case of tap water of 50 ppb, light is emitted from the discharge space forming unit (20), and the light is irradiated to the tap water flowing in the treatment chamber (S). Thereby, the light was irradiated to the inside of the processing chamber (S), and when the TOC concentration of the tap water discharged to the outside of the processing chamber (S) through the discharge port was measured, it was 25 ppb.
[0116] In addition, when the starting voltage was measured, it was 2100V.
[0117] In ...
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Abstract
The present invention provides a fluid processing device capable of achieving high safety. The fluid processing device includes a processing chamber for processing an electrically conductive fluid being processed, a strip-shaped discharge space forming tube made of dielectric material, a strip-shaped electrode and a driving power source, wherein discharging gas is enclosed in the strip-shaped discharge space forming tube which is arranged in contact with the fluid being processed flowing in the processing chamber, the strip-shaped electrode is arranged in the discharge space forming tube in such a way that the strip-shaped electrode extends in a direction of a tube axis of the discharge space forming tube, the driving power source is used for supplying power to an interior of the discharge space forming tube, a discharge between the long electrode and the processed fluid is generated via a tube wall of a region, where the fluid being processed is in contact with the fluid being processed, of the discharge space forming tube; the fluid processing device is characterized in that one terminal of the driving power source is electrically connected to the strip-shaped electrode, and the other terminal of the driving power source is electrically connected to the fluid being processed, so that the fluid being processed is in a ground potential state.
Description
technical field [0001] The present invention relates to a fluid treatment device that treats a fluid to be treated by irradiating light. More specifically, it relates to a fluid treatment device for performing sterilization treatment or TOC (organic substance) decomposition treatment. Background technique [0002] Conventionally, as a fluid treatment device for treating a fluid such as water, a device that irradiates the treated fluid with light such as ultraviolet rays to perform sterilization treatment or TOC (organic matter) decomposition treatment (such as , refer to Patent Document 1). [0003] In Patent Document 1, as a kind of device for fluid treatment, there is: a bottomed cylindrical treatment tank having a treatment space for treating a fluid to be treated made of water; and a discharge space forming unit provided as In the state where the treatment tank is filled with the fluid to be treated (water), at least a part is submerged and in contact with the fluid to...
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