Classifications

• • H—ELECTRICITY
  • H01—ELECTRIC ELEMENTS
  • H01T—SPARK GAPS; OVERVOLTAGE ARRESTERS USING SPARK GAPS; SPARKING PLUGS; CORONA DEVICES; GENERATING IONS TO BE INTRODUCED INTO NON-ENCLOSED GASES
  • H01T23/00—Apparatus for generating ions to be introduced into non-enclosed gases, e.g. into the atmosphere
• • C—CHEMISTRY; METALLURGY
  • C01—INORGANIC CHEMISTRY
  • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
  • C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
  • C01B13/10—Preparation of ozone
  • C01B13/11—Preparation of ozone by electric discharge
  • C01B13/115—Preparation of ozone by electric discharge characterised by the electrical circuits producing the electrical discharge
• • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
  • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
  • F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
  • F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
  • F23G5/08—Incineration of waste; Incinerator constructions; Details, accessories or control therefor having supplementary heating
  • F23G5/085—High-temperature heating means, e.g. plasma, for partly melting the waste
• • H—ELECTRICITY
  • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
  • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
  • H05B7/00—Heating by electric discharge
  • H05B7/16—Heating by glow discharge

Definitions

• Multi-phase alternating current multi-electrode discharge device powder waste treatment device, ozone generator, and light source device using the same
• the present invention provides a multi-phase AC multi-electrode discharge device that generates a planar discharge that rotates continuously and continuously at a high speed between the multi-electrodes by applying a multi-phase AC between the multiple electrodes in order.
• a waste treatment device that uses the ultra-high temperature obtained by the planar arc discharge generated by the multi-electrode discharge device to melt powder waste, and a planar corona discharge generated by the same multi-phase AC multi-electrode discharge device.
• An ozone generation device that can generate ozone with high efficiency by using it, and a light source device that emits light uniformly over the entire plane by using the planar discharge generated by the same multiphase AC multielectrode discharge device About. Background art
• a water-cooled nozzle or the like is provided around the discharge electrode to inject and stabilize the arc plasma, or an operating gas such as argon is injected into the discharge electrode to reduce the plasma flow.
• an operating gas such as argon
• Various measures have been taken to improve high temperature, high speed, and convergence.
• flat electrodes with a uniform surface are arranged in parallel with extremely high precision, or the electrodes are rotated while maintaining this parallelism. Improvements have been made to make it work. In order to more efficiently collide the discharge electrons obtained by the corona discharge with the oxygen molecules, the movement of the corona discharge is promoted.
• each of the conventional discharge utilization devices basically has a pair of electrodes powered by a single-phase AC or DC power supply, and the generated discharge phenomenon itself is a linear discharge. It did not change. As long as the discharge phenomenon itself, which is a source of high energy, is made in a line shape that is difficult to use, even if effective improvements are made to the discharge electrodes, etc., there is naturally a limit in improving the energy use efficiency. It was.
• the present invention provides a multiphase AC multi-phase generator capable of generating a flat discharge that rotates constantly at high speed between the multi-electrodes by applying polyphase alternating current between the multi-electrodes forming a regular polygon in order. It is intended to provide an electrode discharge device.
• the present invention provides a waste treatment apparatus that effectively utilizes an ultra-high temperature obtained by planar arc discharge generated by the multi-phase AC multi-electrode discharge apparatus as a heat source for melting and processing powder waste such as incinerated ash.
• an ozone generator that generates ozone with high efficiency by using the planar corona discharge generated by the multi-phase AC multi-electrode discharge device, and a planar discharge generated by the multi-phase AC multi-electrode discharge device.
• the entire discharge chamber emits light uniformly. It is intended to provide. Disclosure of the invention
• the present invention provides a multi-phase AC multi-electrode discharge device including an n-phase AC output device that outputs an n-phase AC, and discharge electrodes to T n whose tips are disposed near the vertices of a regular n-gon.
• each phase output terminal of the AC output unit to the phase order are connected to the right or counterclockwise order to the discharge electrode through T n.
• the present invention provides a multi-phase alternating current multi-electrode discharge device, comprising: a waste hopper for storing powder waste such as incineration ash;
• a feeder for sending powder waste between Tj and Tn and a discharger for discharging the processed material after melting were provided.
• the discharge electrodes T, the ultra high temperature obtained by the planar arc discharge between ⁇ Tau eta it is possible to effectively utilize as a heat source when the melting process, to efficiently melt processed powder waste Is now available.
• the present invention provides the above-described multi-phase AC multi-electrode discharge device,
• An ozone generation chamber is provided surrounding ⁇ and ⁇ ⁇ , and through which oxygen or oxygen-containing gas flows.
• the present invention provides the above-described multi-phase AC multi-electrode discharge device,
• a discharge chamber containing ⁇ ⁇ , ⁇ ⁇ and containing gas or vapor was provided. This made it possible to construct a light source device in which the entire discharge chamber emits light uniformly.
• FIG. 1 is a schematic explanatory view showing the configuration and connection of a six-phase AC six-electrode discharge device according to an embodiment of the present invention
• FIG. FIG. 3 is a composite vector diagram of the alternating current applied between the electrodes in the six-phase alternating current six-electrode discharge device of the embodiment of the present invention
• FIG. FIG. 5 is an explanatory view of a discharge path of a planar discharge generated by a phase alternating current six-electrode discharge device
• FIG. 5 is an explanatory diagram showing an arbitrary interelectrode distance of an n-phase alternating current n-electrode discharge device
• FIG. 6 is a present invention.
• FIG. 1 is a schematic explanatory view showing the configuration and connection of a six-phase AC six-electrode discharge device according to an embodiment of the present invention
• FIG. FIG. 3 is a composite vector diagram of the alternating current applied between the electrodes in the six-phase alternating current six-electrode discharge
• FIG. 7 is a schematic explanatory view showing the configuration of a powder waste treatment apparatus using the six-phase AC six-electrode discharge device of the embodiment
• FIGS. 7 and 8 show the use of the six-phase AC six-electrode discharge device of the embodiment of the present invention.
• FIG. 9 is a schematic explanatory view showing the configuration of an ozone generator
• FIG. 9 is a light source device using a six-phase AC six-electrode discharge device according to an embodiment of the present invention.
• Schematic diagram illustrating the configuration FIG. 10 is a sectional view of a discharge chamber of the present invention embodiment the light source device
• FIG. 11 is a schematic explanatory view showing the configuration of a light source of the present invention variant embodiment.
• the six-phase alternating current six-electrode discharge device of the present embodiment includes a six-phase alternating current output device that outputs six-phase alternating current, and six discharge electrodes to ⁇ ⁇ .
• the reference numeral 1 is an insulating electrode holder for holding six rod-shaped discharge electrodes ⁇ T s, and the six discharge electrodes ⁇ ⁇ ⁇ by the electrode holder 1 have a positive tip. It is held in a state of being arranged close to each hexagonal vertex position.
• FIG. 1 those designated by the symbols U-V, V-W, and W-U are three-phase AC output terminals that are delta-connected (or may be star-connected) to a three-phase AC power supply.
• Transformer for V. Transformer for S 4 terminals V—W
• Three sets of six single-phase transformers, two for each phase, are connected in parallel to S 6 ⁇ S 2 and terminals W-U, such as transformers S 3 -S 8 .
• the two transformers in each phase connect the end of the secondary winding of one transformer to the start of the secondary winding of the other transformer, and connect this connection line to the other two pairs. Connect the two transformers connected in the same way for the transformer.
• the six terminals on the side of the transformer secondary winding that are not connected in common are used as six-phase AC output terminals.
• the discharge device can be provided at very low cost.
• the this six-phase ac output device and the discharge electrode through T 8 is connected hands following connection methods. That is, six single-phase AC ⁇ output from 6-phase ac output unit, a to? 6 to the phase order (good or even counterclockwise) clockwise to the discharge electrode through T S is to connect in this order. If AC A, is applied to the discharge electrode T and AC A 2 is applied to the electrode T 2 next to the electrode Ti, AC A 3 is applied to the electrode T 3 , AC ⁇ 4 is applied to the electrode T 4 , and AC ⁇ ⁇ to the electrode T 5, AC A 8 electrodeposition Energize pole T 8 respectively.
• Each discharge electrode T by 6-phase alternating current output device, the voltage respectively applied to ⁇ Tau beta, the electrode 1 ⁇ ;
• electrode T 2 sin ( ⁇ + 2 ⁇ / ⁇ , electrodes ⁇ 3; sin (0 + 4 r / 6), electrode ⁇ 4 sin (0 + 6 ⁇ / 6), electrode ⁇ 6 ; sin (0 + 8 ⁇ / 6), electrode ⁇ 8 sin (0 + 107T / 6).
• Electrode - T 2 between voltage; sin0- sin (0 +2 r / 6) -cos (0 + ⁇ / 6) next Similarly, the electrode one T 3 between voltage -V 3 cos ( ⁇ + 2 ⁇ / ⁇ ),
• Electrode T voltage between electrodes 1 2 cos ( ⁇ + 3 ⁇ / 6),
• FIG. 2 is a vector diagram of the applied voltage to the other electrodes T 2 to T S of the discharge electrode at a certain moment.
• FIG. 4 shows a discharge path at each moment when the phase advances by 30 °.
• the thick arrow in the figure indicates that the maximum voltage is applied between the electrodes and the discharge current flows in the direction of the arrow, and the thin arrow indicates that the voltage is not applied between the electrodes but the voltage is applied but the discharge occurs in the direction of the arrow. This indicates that a current flows.
• the discharge path is represented by a straight line for simplicity of the discharge state, and the entire discharge path is mesh-shaped, but the actual discharge is divided as described above. order or bent or are planarly made in between the discharge electrodes 1 through T 8.
• a plurality of discharges always occur at the same time, and the plurality of discharges are aligned and rotated. Since the discharge rotates once per AC cycle, when a power source with a frequency of 50 or 60 Hz is used, a planar discharge formed by a plurality of discharges with uniform orientation is rotated at a high speed of 50 or 60 times per second. Is performed.
• n-phase AC output for outputting a n-phase alternating current, is composed of a discharge electrode through T n arranged at each apex position of the regular n-sided polygon inscribed in a diameter D circle, eta-phase AC
• the ⁇ -phase AC ⁇ electrode discharge device is connected to the clockwise order of the discharge electrode through T n,
• the distance L, between electrode 1 and the i-th electrode T, counted from electrode T, is
• various discharges such as corona discharge, glow discharge, and arc discharge continuously rotate at a high speed in a region surrounded by the multi-electrodes.
• High-energy such as high heat and high-intensity light due to various discharge phenomena can be generated with high efficiency.
• these discharges are formed in a planar shape, the use of high energy due to discharges Is much easier.
• a powder waste treatment device, an ozone generation device, and a light source device using the multiphase AC multielectrode discharge device will be described. First, a powder waste treatment apparatus using a six-phase AC six-electrode discharger will be described with reference to FIG.
• the waste treatment apparatus utilizes an ultra-high temperature obtained by the planar arc discharge generated by the above-described multi-phase AC multi-electrode discharge device as a heat source for the powder waste melting treatment.
• the arc discharge accompanied by high temperature is formed in a plane shape, so that the high temperature state in the central part of the discharge plane is maintained with almost no heat loss. Since the plasma jet converges by rotating at high speed, it becomes easier to obtain an ultra-high temperature, which was difficult with conventional equipment due to a large amount of heat loss.
• FIG. 6 what is indicated by reference numeral 5 is a melting processing section that melts powder waste such as incineration ash by using high plasma heat.
• the melting section 5 includes a waste hopper 2 for storing powder waste, discharge electrodes T 1 to T S for generating high plasma temperature, and a discharge for sending powder waste from the waste hopper 2 to the discharge electrodes T 6 . And a discharger 4 for discharging the melted processed material.
• six-phase ac output unit for applying a six-phase alternating current to the discharge electrode through T 6 is not shown.
• the delivery device 3 comprising a subscription user conveyor, since the disposed above the discharge electrode ⁇ Tau beta, powder waste delivered from the dispenser 3 by the screw conveyor is to free fall as it is, will reach the flat discharge portion is caused to discharge electrodes T j ⁇ ⁇ .
• the waste that reaches the discharge part is exposed to the high heat of the plasma and melts into a spherical shape. As the molten waste continues to fall, it cools as it moves away from the discharge part, turns into a spherical glassy substance with a diameter of 1/100 to several tens of degrees, and is collected in the discharger 4 installed at the bottom of the melting treatment part 5 .
• the belt conveyor 41 of the ejector 4 transports the accumulated bead-shaped waste to the bead outlet 42.
• the exhaust processing section 6 includes a heat exchanger 61 for extracting waste heat generated during the melting process, a blower 62 for generating an airflow of the entire apparatus, a bag filter 63 for filtering dust in the exhaust, and an ozone in the exhaust. It consists of an ozone collector 64 to be collected.
• the bag filter 63 is provided with a dust outlet 63a at its lower part for collecting and discharging the filtered dust.
• the discharge electrodes ⁇ T by arc discharge between 6 is intended to recover the ozone generated by ultraviolet rays high heat are both radiation, the top or order from, sprinkler 64 b, ozonolysis layer 64 d, ozone absorption layer 64 e, and ozone water discharge 64 a are installed.
• the exhaust gas from which ozone has been recovered is exhausted from an exhaust port 64 c provided above the ozone recovery device 64.
• the ozone generator of the present embodiment employs a configuration in which oxygen molecules pass through a uniform and stable planar corona discharge portion generated by a six-phase AC six-electrode discharge device, so that discharge electrons are efficiently converted into oxygen molecules. Collisions can be made, and ozone can be generated with extremely high efficiency.
• Discharge electrodes ⁇ Tau beta in this embodiment the ozone generating apparatus, the shown Suyo in Figure 7, are constituted by a diameter of 2 strokes stainless rod having a bent portion at the top.
• These discharge electrodes ⁇ , ⁇ 8 is the electrode Hol da (not shown) through the insulator is retained in a state of being close to its distal end in the vicinity of the regular hexagon vertex positions.
• FIG. 8 what is indicated by reference numeral 7 is a cylindrical ozone generating chamber having an inner diameter of 90 cm and through which oxygen or an oxygen-containing gas (hereinafter, referred to as a raw material gas) flows.
• the said discharge electrode inside the ozone generation chamber 7 ⁇ , ⁇ 6 is arranged, it is the co- ⁇ na discharge is made in a planar shape.
• the ozone generator of the present embodiment includes a diaphragm type drier 81 for drying the raw material gas, a drying tower 84 using CaO, a pressure and a flow rate of the raw material gas sent to the ozone generation chamber 7.
• a regulator 82 for adjusting pressure, a flow control valve 83, and a flow meter 85 are installed.
• the ozone gas generated in the ozone generation chamber 7 is measured for its concentration by an ozone concentration meter 86, and is used for various purposes.
• six-phase ac output unit for applying a six-phase alternating current to the discharge electrodes T j through T B is not shown. The results of measurement tests performed on the ozone generator using the six-phase AC six-electrode discharger of the present embodiment are described below.
• Adjacent electrode spacing 10 times, power consumption: 350 W, corona discharge generated
• air about 20% of oxygen
• generation of ozone at 160 mg / min ozone concentration of 8 O / m 3
• the ozone generation efficiency at this time reaches 0.46 mg / Wmin (27.4 g / WH), which is the value of the conventional device using 90% oxygen gas as the raw material gas.
• the generation efficiency was comparable to 25 g / KWH. From the test results, it is clear that the efficiency of the device of the present invention surpasses that of the conventional device when ozone is generated using 90% oxygen gas as the source gas.
• FIG. 9 a light source device using a six-phase AC six-electrode discharge device will be described with reference to FIGS. 9 to 11.
• FIG. 9 a light source device using a six-phase AC six-electrode discharge device
• a light source device that uses discharge discharges in a gas or vapor to obtain visible light or ultraviolet radiation from excited atoms. Generally, it is more efficient to obtain electromagnetic waves of a target wavelength than other light sources. It is widely used in the field of lighting and fields that require concentrated ultraviolet energy. However, since all of the conventional light source devices use a linear discharge, there is a limit in improving the discharge density, and when used for illumination, they are used as point light sources or linear light sources. It was only used.
• the light source device of the present embodiment utilizes a uniform and stable planar discharge generated by a six-phase alternating current six-electrode discharge device, and is capable of emitting visible light or ultraviolet light having a target wavelength with extremely high brightness and surrounded by electrodes. It becomes possible to radiate uniformly from the whole.
• reference numeral 9 is a discharge chamber filled with argon gas at a pressure of several Torr.
• the discharge chamber 9 has a diameter of 700 concealed and a height of 40 hollow. It is formed of a 5-6-thick glass glass shaped like a disk. Inside wall of the discharge chamber 9, the tip positive hexagonal discharge electrodes as is located at each vertex T, projecting a through T 6 at equal intervals, it is performed a planar discharge.
• the discharge chamber 9 is made of quartz. Glass was used because quartz glass has excellent transparency and heat resistance from visible light to ultraviolet light, and also has high strength. Room 9 may be made of ordinary glass.
• the gas sealed in the discharge chamber 9 is not limited to argon, but may be an inert gas such as helium, neon, krypton, or xenon, or a vapor such as deuterium, sodium, mercury, or ⁇ -genated metal.
• the light source device using the multi-phase AC multi-electrode discharge device may be configured such that the discharge electrode can be preheated prior to the discharge, as in the embodiment shown in FIG.
• the secondary side ⁇ of the transformer S i to S e to output the six-phase alternating current, separately from the six-phase AC output terminals, the electrode preheating terminal P, and to P 6 provided, respectively it, this preheating terminals - P s is connected to the discharge electrodes,,, T 8 , each of which has a helical filament at the tip, via a switch Q Q e . This makes it possible to easily start the discharge.
• each filament is heated by the Jiyu le heat. Thermoelectrons are emitted as the temperature of the filament rises, and discharge between the electrodes can be easily started. Once the discharge is started, the discharge is maintained even if the switch ⁇ Qs is opened.
• the multi-phase AC multi-electrode discharge device generates various types of discharges such as a ⁇ -pin discharge, a glow discharge, and an arc discharge while continuously rotating at high speed in a region surrounded by the multi-electrodes.
• various types of discharges such as a ⁇ -pin discharge, a glow discharge, and an arc discharge while continuously rotating at high speed in a region surrounded by the multi-electrodes.
• high heat, high brightness light, charged materials, etc. are generated with various discharge phenomena with high efficiency, and since these discharges are formed in a planar shape, the use of high energy due to various discharges can be achieved. Very easy.
• since such an effect can be realized with a simple configuration without complicating the structure, its practical value is extremely high, and requires, for example, an ultra-high temperature or intense ultraviolet radiation. It is useful not only in the field of incineration and decomposition of various kinds of waste, purification and sterilization of wastewater, etc., but also as a light source device utilizing uniform discharge

Landscapes

• Engineering & Computer Science (AREA)
• Physics & Mathematics (AREA)
• Plasma & Fusion (AREA)
• Chemical & Material Sciences (AREA)
• Organic Chemistry (AREA)
• Mechanical Engineering (AREA)
• General Engineering & Computer Science (AREA)
• Inorganic Chemistry (AREA)
• Physical Or Chemical Processes And Apparatus (AREA)

Priority Applications (4)

Applications Claiming Priority (8)

Publications (1)

Family

ID=27467755

Family Applications (1)

Country Status (8)

Families Citing this family (5)

Citations (5)

Family Cites Families (4)

• 1993
  • 1993-08-20 AU AU47620/93A patent/AU660849B2/en not_active Ceased
  • 1993-08-20 EP EP94908807A patent/EP0609466A4/en not_active Withdrawn
  • 1993-08-20 WO PCT/JP1993/001166 patent/WO1994006184A1/ja not_active Application Discontinuation
  • 1993-08-20 CA CA002121359A patent/CA2121359A1/en not_active Abandoned
  • 1993-08-25 TW TW082106871A patent/TW244338B/zh active
  • 1993-08-26 CN CN93116786A patent/CN1083628A/zh active Pending
• 1994
  • 1994-04-11 FI FI941660A patent/FI941660A/fi not_active Application Discontinuation
  • 1994-04-25 NO NO941503A patent/NO941503L/no unknown

Patent Citations (5)

Non-Patent Citations (1)

Also Published As

Similar Documents

Legal Events