WO2004109193A1 - 水素燃焼型温風暖房機、水素燃焼型温風発生方法及びその方法に用いるバーナー - Google Patents
水素燃焼型温風暖房機、水素燃焼型温風発生方法及びその方法に用いるバーナー Download PDFInfo
- Publication number
- WO2004109193A1 WO2004109193A1 PCT/JP2004/007630 JP2004007630W WO2004109193A1 WO 2004109193 A1 WO2004109193 A1 WO 2004109193A1 JP 2004007630 W JP2004007630 W JP 2004007630W WO 2004109193 A1 WO2004109193 A1 WO 2004109193A1
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- Prior art keywords
- hydrogen
- hot air
- gas
- air
- combustion
- Prior art date
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/065—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators using fluid fuel
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/06—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators
- F24H3/08—Air heaters with forced circulation the air being kept separate from the heating medium, e.g. using forced circulation of air over radiators by tubes
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D14/00—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid
- F23D14/20—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone
- F23D14/22—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other
- F23D14/24—Non-premix gas burners, i.e. in which gaseous fuel is mixed with combustion air on arrival at the combustion zone with separate air and gas feed ducts, e.g. with ducts running parallel or crossing each other at least one of the fluids being submitted to a swirling motion
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F24—HEATING; RANGES; VENTILATING
- F24H—FLUID HEATERS, e.g. WATER OR AIR HEATERS, HAVING HEAT-GENERATING MEANS, e.g. HEAT PUMPS, IN GENERAL
- F24H3/00—Air heaters
- F24H3/02—Air heaters with forced circulation
- F24H3/04—Air heaters with forced circulation the air being in direct contact with the heating medium, e.g. electric heating element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23C—METHODS OR APPARATUS FOR COMBUSTION USING FLUID FUEL OR SOLID FUEL SUSPENDED IN A CARRIER GAS OR AIR
- F23C2900/00—Special features of, or arrangements for combustion apparatus using fluid fuels or solid fuels suspended in air; Combustion processes therefor
- F23C2900/9901—Combustion process using hydrogen, hydrogen peroxide water or brown gas as fuel
Definitions
- Hydrogen combustion type hot air heater hydrogen combustion type hot air generation method, and burner used in the method
- the present invention relates to a hydrogen combustion type hot air heater, a hydrogen combustion type hot air generation method, and a burner used in the method, and more specifically, a greenhouse gas (particularly, c ⁇ ) is contained in exhaust gas.
- a hydrogen-burning hot-air heater that emits no clean gas, a hydrogen-burning hot-air generating method, and a burner used in the method.
- the oil-fired hot air heater has a problem such as generation of CO (—carbon oxide) due to incomplete combustion of the liquid fuel, and the gas-fired hot air heater that burns gas fuel such as propane gas. Development is underway (see, for example, Patent Documents 1 to 5).
- these gas-fired hot air heaters have a structure with a furnace inside the heating chamber.
- gas fuel is burned inside the furnace body to heat the furnace body itself, outside air is taken into the heating chamber, and the outside air taken in by the furnace body in the heated state is heated to generate hot air. It is discharged into the greenhouse.
- the exhaust gas generated by the combustion of the gaseous fuel is usually exhausted out of the greenhouse by providing a chimney etc. directly in the furnace body so as not to mix with the hot air.
- Some of these gas-fired hot air heaters include CO (CO) necessary for growing plants such as greenhouse vegetables.
- CO is generated inside the hot air heater separately from the outside air combustion heating system.
- Patent Document 1 Japanese Patent Publication No. 57-37292
- Patent Document 2 Japanese Patent Publication No. 51-31725
- Patent Document 3 Japanese Utility Model Publication No. 62-35319
- Patent Document 4 JP 2003-74984
- Patent Document 5 JP-A-2002-228264
- the present invention has been made to overcome the above-mentioned problems against the background of the actual situation.
- a hydrogen-burning hot-air heater that discharges clean gas without burning a greenhouse effect gas (particularly C ⁇ ) by heating the outside air by burning hydrogen gas
- hydrogen gas has the advantage of generating only water vapor (or water) and not generating CO even if it is burned at a high combustion temperature.
- propane gas easily ignites and explodes.
- the present invention also aims to overcome such problems.
- a further object of the present invention is to provide a burner for burning hydrogen obtained by electrolysis of water by using oxygen obtained by the electrolysis.
- the hydrogen-burning hot-air heater according to claim 1 includes an electrolyzing section for decomposing water into hydrogen gas and oxygen gas by electrolysis, and a hydrogen gas generated in the electrolyzing section. internal And a heating chamber provided so as to surround the periphery of the furnace body, for taking in outside air, heating the furnace body, and discharging the heated air. I do.
- a hydrogen-fired hot-air heater according to claim 2 is the hydrogen-fired hot-air heater according to claim 1, wherein the furnace body is formed in a substantially cylindrical shape to suck air.
- a burner for burning hydrogen gas provided with a fan of the type described above, and a spiral guide plate for guiding the air heated by heat by the combustion of hydrogen gas by the burner to move spirally inside the furnace body. And an exhaust pipe for blowing out the heated air.
- the hydrogen-fired hot-air heater according to claim 3 is the hydrogen-fired hot-air heater according to claim 1 or 2, further comprising: a preheating chamber that covers the heating chamber; And a dedicated passage for allowing the discharged reaction gas to flow directly into the preheating chamber.
- the hydrogen-fired hot-air heater according to claim 4 is the hydrogen-fired hot-air heater according to claim 3, wherein the reaction gas in the preheating chamber is supplied to the heating chamber. A return flow path for returning is provided.
- the hydrogen-burning type hot air generation method wherein the electrolysis step of electrolyzing water into hydrogen gas and oxygen gas, and mixing the hydrogen gas generated in the electrolysis step with the oxygen gas.
- the hydrogen combustion type hot air generation method according to claim 6 is different from the hydrogen combustion type hot air generation method according to claim 5 in that the hydrogen gas and the oxygen generated in the electrolysis step are different from each other. It has a separation and recovery step of separating and recovering gas.
- the hydrogen combustion type hot air generation method according to claim 7 is the same as the hydrogen combustion type hot air generation method according to claim 6, wherein the hydrogen gas recovered in the separation and recovery step and the hydrogen gas A drying step for drying the oxygen gas and the oxygen gas, respectively.
- the hydrogen combustion type hot air generation method according to claim 8 is the hydrogen combustion type hot air generation method according to claim 5.
- the combustion step is performed using a burner.
- the reaction gas generated in the combustion step is introduced into the furnace.
- the guide plate is provided in a spiral shape. It is characterized by having.
- the heating chamber is covered by a preheating chamber and discharged from the furnace body.
- the reaction gas is directly introduced into the preheating chamber.
- the hydrogen-burning type hot air generation method according to claim 12 is similar to the hydrogen-burning type hot air generation method according to claim 11, and returns the reaction gas from the preheating chamber to the heating chamber. It is characterized by
- the hydrogen-burning type hot air generating method according to claim 13 differs from the hydrogen-burning type hot air generating method according to claim 5 in that hydrogen gas that has not reacted in the combustion step is removed from the furnace. It is characterized in that it is pulled out through a valve through a valve.
- a hydrogen-burning type hot air generation method is characterized in that, in the hydrogen-burning type hot air generation method according to claim 5, moisture generated in the combustion step is removed from the inside of the furnace.
- a burner used in the hydrogen combustion type hot air generation method according to claim 15 is provided with an air transport pipe and a cutout for air passage provided so as to cover an opening at the tip of the air transport pipe.
- an oxygen transport pipe is provided with an air transport pipe and a cutout for air passage provided so as to cover an opening at the tip of the air transport pipe.
- a burner used in the hydrogen-burning type hot air generating method has an air transport pipe and a cutout for air passage provided to cover an opening at the tip of the air transport pipe.
- a flange portion provided in the air transport tube, a hydrogen transport tube penetrating through the flange portion and projecting from the flange portion, and an oxygen transport tube provided in the hydrogen transport tube and projecting from a tip of the hydrogen transport tube. And having the following.
- the burner used in the hydrogen combustion type hot air generation method according to claim 17 is the burner used in the hydrogen combustion type hot air generation method according to claim 15 or 16, protruding from the flange.
- a plurality of small holes are formed in the outer peripheral wall of the projecting portion of the hydrogen transport pipe along the circumferential direction.
- the burner used in the hydrogen combustion type hot air generation method according to claim 18 is the burner used in the hydrogen combustion type hot air generation method according to claim 17, which is formed on the distal end side of the hydrogen transport pipe.
- the plurality of fine holes are provided at equal intervals in the circumferential direction, and the cutouts formed in the flange portion are equally provided in the circumferential direction by the same number as the fine holes.
- the burner used in the hydrogen combustion type hot air generation method according to claim 19 is the burner used in the hydrogen combustion type hot air generation method according to claim 17, wherein a tip of the oxygen transport pipe is closed.
- a plurality of oxygen gas ejection ports are formed at equal intervals in the circumferential direction on the outer peripheral wall of the oxygen transport pipe in the vicinity thereof.
- water is decomposed into hydrogen gas and oxygen gas in the electrolysis section, and the hydrogen gas obtained by the decomposition is burned inside the furnace body, and the furnace body
- the outside air that has flowed into the heating chamber provided so as to surround the surroundings is heated by the combustion heat and sent to the outside of the heating chamber.
- a hydrogen-burning hot-air heater that heats the outside air by burning hydrogen gas and discharges a clean gas containing no greenhouse gas (especially, CO 2) in the exhaust gas.
- the furnace body is formed in a substantially cylindrical shape, and includes a burner for hydrogen gas combustion provided with a fan for sucking air, and combustion of hydrogen gas by the burner. And a spiral guide plate for guiding the air heated by the burner to move spirally inside the furnace body, so that the air heated by the burner is spirally swept. It flows smoothly.
- the furnace body has a substantially cylindrical shape, that is, an axially symmetric shape, heat can be evenly transmitted to the periphery of the furnace body, and the stability of the temperature of the air discharged from the exhaust pipe provided in the heating chamber is improved. Can be improved.
- the preheating chamber that covers the heating chamber is provided, and the outside air outside the preheating chamber and the heating chamber are separated by the double wall, and the heating chamber is outside air.
- the cooling power is stopped.
- the relatively high-temperature reactant gas discharged from the furnace provided in the heating chamber is allowed to flow directly into the preheating chamber via the dedicated passage, the heat retaining effect of the heating chamber can be further improved. it can.
- the warm air discharged from the preheating chamber is provided. Can be used as warm air generated in the heating room, and effective use of energy can be achieved.
- hydrogen gas generated by decomposing water in the electrolysis step is burned in the combustion step. Then, the temperature inside the furnace is raised by the heat generated by the combustion, and the furnace is heated.
- a heating chamber is provided around the furnace body so as to surround the furnace body, and a double container is formed. Outside air is taken into a space formed by the outer wall surface of the furnace body, which is the inner vessel, and the inner wall surface of the heating chamber, which is the outer vessel. From the outside to the outside air. Then, the heated outside air is discharged outside the heating chamber.
- a heater that generates warm air is formed.
- This heater uses water as a raw material. After the water is electrolyzed, hydrogen generated by the electrolysis is chemically reacted with air (oxygen content 21%) or oxygen generated by the electrolysis to produce a reaction. Since the substance is water, it does not emit harmful substances. Therefore, it is possible to perform clean heating without greenhouse gases (especially C ⁇ ) in the exhaust gas.
- the separation and recovery step of separating and recovering the hydrogen gas and the oxygen gas generated in the electrolysis step since the separation and recovery step of separating and recovering the hydrogen gas and the oxygen gas generated in the electrolysis step is provided, the hydrogen gas and the oxygen gas react with each other. The danger of explosion. If hydrogen gas is stored in a gas cylinder, it will be convenient for transportation and its use will be expanded. Forms of storage include gaseous hydrogen, liquid hydrogen, metal hydrides, and hydrogenation-inducing chemicals such as methanol and ammonia.
- the hydrogen gas recovered in the separation and recovery step is dried.
- hydrogen gas contains water vapor
- energy is absorbed in the combustion process, so that the combustion efficiency of the hydrogen gas decreases.
- the drying of the hydrogen gas can suppress the decrease in the combustion efficiency.
- a spiral guide plate is provided inside the furnace, and the reaction gas generated in the combustion step is spirally guided. Therefore, the reaction gas stays in the furnace for a longer time, and the heat exchange between the reaction gas flowing on the guide plate and the outside air taken into the heating chamber is efficiently performed.
- the guide plate itself functions as a fin, and can promote heat absorption of the reaction gas.
- the reaction gas generated by the combustion of the hydrogen gas is discharged into the heating chamber after flowing through the furnace, so that the reaction gas and the outside air are exchanged via the furnace. Since the reaction gas and the outside air that are not only subjected to heat exchange are directly mixed with each other, the temperature rise of the outside air can be further promoted. If the reaction gas and the outside air are directly mixed without installing a furnace body in the heating chamber, the temperature of the exhaust gas may become high or low, resulting in instability. You. The reason is that it takes time S for the fluid flow in the heating chamber to stabilize, and if the flow rate of hydrogen gas etc. supplied to the outside air furnace is adjusted, it takes time for the fluid flow to stabilize. Because it takes.
- the heating chamber is covered with the preheating chamber and a double-structured wall is formed, the air layer of the preheating chamber functions as a heat insulating layer. As a result, the heat insulation properties of the heating chamber are enhanced.
- the heating chamber is kept warm, and even if the apparatus is installed in a cold region, the combustion efficiency can be improved without cooling the heating chamber by external cold air.
- the relatively high-temperature reactant gas discharged from the furnace body flows directly into the preheating chamber, the amount of heat that is linearly transmitted from the furnace inside the heating chamber and the preheating chamber to the outside of the preheating chamber should be reduced. And the temperature of the heating chamber can be reliably maintained.
- the reaction gas discharged to the outside of the preheating chamber flows into the heating chamber through the return flow path, so that a relatively high-temperature reaction gas flowing through the return flow path is provided.
- the gas can be mixed with the outside air taken into the heating chamber, and it is possible to generate hot air with good thermal efficiency.
- a valve for discharging unreacted hydrogen gas in the combustion step from the furnace is provided. If hydrogen gas accumulates, there is a danger of explosion, but safety can be ensured by discharging light hydrogen with a valve provided above the furnace body. Since hydrogen is a harmful substance that destroys the ozone layer, it is necessary to pay close attention to the management of discharged hydrogen.
- moisture generated in the combustion step is discharged from the furnace. If water droplets adhere to the furnace body, the water droplets absorb the heat of the combustion air and the heating efficiency of the furnace body is reduced. Water droplets are generated as follows.
- a flange is provided at the tip of the air transport pipe so as to cover an opening formed at the tip.
- a cutout is formed in the flange so that the transported air can pass through.
- a hydrogen transport pipe is provided in the air transport pipe, and the hydrogen transport pipe penetrates the flange and projects from the flange. As a result, the air that has passed through the flange is disturbed and moves forward in a swirl while entraining the hydrogen gas ejected from the hydrogen transport pipe. At the same time, ignition is performed.
- the tip force of the hydrogen transport pipe provided in the hydrogen transport pipe and the protruding oxygen transport pipe force are supplied with oxygen, and the temperature of the combustion gas can be further increased.
- the same operation and effect as those of the eleventh aspect are obtained, and the oxygen transport pipe is provided inside the air transport pipe, and the hydrogen transport pipe is further provided inside the oxygen transport pipe. Therefore, the structure can be made axially symmetric, and hydrogen gas and oxygen gas can be evenly mixed with the air ejected from the air transport pipe. Therefore, the shape of the flame during combustion can be made uniform in the circumferential direction, and the position of the flame can be stabilized at one place.
- the gas is ejected from the small holes. Hydrogen gas can be evenly mixed with the turbulent air passing through the notch little by little.
- the plurality of small holes formed on the distal end side of the hydrogen transport pipe are provided at equal intervals in the circumferential direction, and the notch formed in the flange portion also has a small hole. Since the air and hydrogen gas are provided evenly in the circumferential direction by the same number as that in the above, the mixing of the air and the hydrogen gas can be surely made uniform in the circumferential direction.
- FIG. 1 is a schematic diagram showing a first embodiment of a hydrogen combustion type hot air heater of the present invention (only the caro heat chamber D is shown so that the inside can be seen).
- the hydrogen combustion type hot air heater A mainly comprises an electrolysis section B (electrolysis step) for decomposing water into hydrogen gas and oxygen gas by electrolysis, and hydrogen gas generated in the electrolysis section B. And oxygen gas are separated and recovered (separation and recovery step), dried (drying step), and this hydrogen gas is burned inside using the oxygen gas generated in the electrolysis section B and heated. And a heating chamber D that is provided so as to surround the periphery of the furnace body C, takes in outside air P, heats the furnace body C, and discharges the heated air.
- the outside air P is taken in from the suction port D1 of the heating chamber D (see the arrow in FIG. 1), and the taken outside air P is heated by the furnace body C in a high temperature state. Thereafter, the heated outside air P is discharged from the hot air outlet D2 to the outside (see the arrow in FIG. 1) to generate the hot air Q.
- the hydrogen combustion type hot air heater A of the present invention burns hydrogen gas inside the furnace body C in order to heat the furnace body C itself, which is a heating means of the outside air P, to a high temperature state. In this respect, it differs greatly from conventional hot air heaters.
- the oxygen gas generated in the electrolysis section B is also supplied by sending it to the mounting pipe C21 of the furnace body C (see FIG. 5) via the oxygen supply pipe E2.
- a blower E3 and a blower E4 are provided in the hydrogen supply pipe E1 and the oxygen supply pipe E2, respectively, and hydrogen and oxygen are supplied from the electrolysis section B to the furnace body C.
- the oxygen gas supplied from the oxygen supply pipe E2 also chemically reacts with the hydrogen gas and burns.
- the heated air R passes through the inside of the furnace body C and is blown out from the exhaust pipe C3 (see the arrow in Fig. 1).
- the high-temperature combustion air S comes into contact with the inner wall surface C7 of the furnace body C (see FIG. 5A) to heat the furnace body C.
- the outside air P itself is heated by the outside air P coming into contact with the outer wall surface C2 of the heated furnace body C [the outside air heating step].
- reaction gas generated in the combustion step is guided by a spiral guide plate in the furnace body C, and is discharged from an exhaust pipe C3 formed in an octopus shape in the heating chamber D. Mixing with the outside air taken into heating room D, heat exchange is performed efficiently.
- the hydrogen combustion type hot air heater A of the present invention heats the furnace body C by burning the hydrogen gas, the greenhouse effect is generated in the combustion air S (ie, exhaust gas) blown out from the exhaust pipe C3. It is characterized by the fact that it does not contain waste gas (especially C ⁇ ) and the exhaust gas is very clean.
- the exhaust pipe C3 of the furnace body C is formed so as to open into the heating chamber D, and the combustion air S is blown into the heating chamber D to be mixed with the outside air P.
- fuel The green air is not contained in the baked air s.
- the exhaust pipe C3 of the furnace body C is formed so as to open into the heating chamber D, the exhaust pipe C3 mixes the hot combustion air S blown out with the outside air P, and mixes the outside air P (or the outside air P). This is extremely useful because the heating efficiency of wind Q) can be increased.
- the combustion air S blown out from the exhaust pipe C3 necessarily contains steam (water) generated by burning hydrogen gas.
- the hydrogen combustion type hot air heater A may be formed as shown in Fig. 1 and dehumidifying means (for example, a dehumidifying filter or the like) may be attached to the hot air outlet D2 of the heating chamber D.
- dehumidifying means for example, a dehumidifying filter or the like
- Fig. 2 is a schematic diagram illustrating the structure of the electrolysis section B of the hydrogen-burning hot air heater A.
- the positional relationship in the figure of each device is the same as that of the electrolytic section B. is not.
- each device is appropriately provided with a pressure gauge for measuring gas pressure in the device, a safety valve for venting gas when the gas pressure in the device becomes excessive, and the like.
- the electrolysis section B is mainly composed of electrolyzer B1, separator B2 (hydrogen separator B2a and oxygen separator B2b), aggregator B3 (hydrogen coagulator B3a and oxygen Dryer B3b) and dryer B5 (hydrogen dryer B5a and oxygen dryer B5b) Prepare.
- the electrolysis section B mainly includes a pure water production apparatus B6 and a cooler B7 as a water purification / circulation system, and further includes a power supply B8 as a power supply source.
- water pure water
- the electrolyzer B1 water
- the generated hydrogen gas and oxygen gas are independently separated from each other by the hydrogen separator B2a and the oxygen separator. Collected by B2b.
- the hydrogen gas collected in the hydrogen separator B2a and the oxygen gas collected in the oxygen separator B2b are cooled in the separator B2 by pure water, which will be described later. To remove the water vapor in the gas.
- FIG. 3 is an explanatory diagram of the internal structure of the hydrogen coagulator B3a, which is partially broken.
- baffle plates B31 are arranged in the hydrogen aggregator B3a so as to be alternately inclined downward.
- the hydrogen gas sent from the hydrogen separator B2a rises in the hydrogen aggregator B3a while colliding with the baffle plate B31.
- the water vapor in the hydrogen gas adheres to the baffle plate B31 and forms dew, forms water droplets, flows down the hydrogen aggregator B3a, and is collected by the cooler B7 via the lower water collection pipe B32 (Fig. 2). reference).
- the hydrogen aggregator B3a removes as much water vapor from the hydrogen gas as possible, and the hydrogen gas is roughly dried.
- the oxygen gas is also roughly dried.
- the hydrogen gas and the oxygen gas roughly dried by the hydrogen condensing device B3a and the oxygen condensing device B3b are sent to the differential pressure regulator B4.
- the differential pressure regulator B4 the pressure of the hydrogen gas and the pressure of the oxygen gas are compared.
- the hydrogen gas and the oxygen gas of the differential pressure regulator B4 are sent to the hydrogen dryer B5a and the oxygen dryer B5b, respectively.
- the inside of the hydrogen dryer B5a and the oxygen dryer B5b is mainly filled with calcium chloride as a desiccant, and the hydrogen gas and the oxygen gas undergo final drying here. After the flow rate of at least hydrogen gas is adjusted via a flowmeter (not shown), the hydrogen gas is sent to the combustion section C1 of the furnace body C through a hydrogen supply pipe E1 (see FIG. 1).
- the water in order to promote the electrolysis of water, the water is appropriately added with a water-soluble rhodium.
- Tap water W is sent to the pure water production apparatus B6 (see Fig. 2) through the water pipe F (see Fig. 1).
- tap water W is used for electrolysis as it is, chlorine gas in tap water W will be mixed with hydrogen gas or oxygen gas generated by electrolyzer B1 and each device in electrolyzer B, especially Corrosion of electrode of decomposition device B1.
- tap water W be purified (dechlorinated) and used with the above-described pure water production apparatus B6 or the like.
- pure water (hereinafter, referred to as pure water) may be directly sent to the electrolyzer B1, but in this embodiment, as described above, the hydrogen separator B2a and the oxygen It is sent to the vessel B2b and used for cooling hydrogen gas and oxygen gas.
- Heat is removed from the hydrogen gas, etc. by the hydrogen separator B2a, etc. It is sent to the cooler B7 together with the water recovered from the hydrogen condensing device B3a and the like (this water is also pure water because it is also the water for the electrolyzer B1 and the hydrogen separator B2a, etc.) and cooled.
- the air mixed with the pure water enters the hydrogen separator B2a together with the pure water and mixes with the hydrogen gas. It may be done.
- the supply of pure water to the hydrogen separator B2a may be stopped.
- the hydrogen separator B2a may be formed so that the wall surface is doubled, pure water is supplied between the inner wall and the outer wall, and the internal hydrogen gas is cooled through the inner wall. It is possible.
- the electrolyzer B1 be capable of independently recovering hydrogen gas and oxygen gas, respectively, as described above.
- electrolyzers B1 are commercially available, and are capable of generating an amount of hydrogen gas capable of heating the temperature of the furnace body C (see FIG. 1) to a required temperature. , Any type can be used.
- an electrolyzer B1 (see FIG. 4) formed by stacking a plurality of electrode plates
- the electrode plate Bla is made of stainless steel, and the surface is polished to a mirror surface.
- the amount of generated hydrogen gas or the like can be increased.
- the electrolysis apparatus B1 of the type in which the electrode plates Bla are stacked is used.
- the amount of generated gas is reduced to hydrogen gas (concentration 98. 8%) in 2. 27m 3 or more Z h, oxygen gas (concentration 98.6%) in 1. 13m 3 or more Z hours, and found that it is possible to improve, respectively.
- Fig. 5 is a schematic diagram showing the structure of the furnace body C of the hydrogen combustion type hot air heater A. 1 is a cross-sectional view when the furnace body C is viewed from the back of FIG. 1, and (B) is a cross-sectional view taken along line X-X of (A).
- the furnace body C is formed in a substantially cylindrical shape.
- the furnace body C mainly includes the combustion portion C1, the cylindrical wall (the outer wall surface C2, the inner wall surface C7), and the plurality (in this case, six) of exhaust pipes C3. I have.
- the combustion section C1 includes a fan C11 for sucking air R, and a burner C12 for burning hydrogen gas using oxygen contained in the air R.
- the fan C11 sucks air R from the air intake CI la and sends the air R to the burner C12 by rotation of an internal fan (not shown).
- the burner C12 is mounted via a flange C13 so as to fit into the mounting pipe C21 of the furnace body C.
- Fig. 6 is a schematic diagram showing a state of combustion by the burner C12 in the mounting pipe.
- the burner C12 has a hydrogen transport pipe 1 provided with a flange 2 for sending hydrogen gas forward of the burner C12.
- an air transport pipe 3 is formed so as to be connected to the flange 2, and surrounds the periphery of the hydrogen transport pipe 1.
- the hydrogen transport pipe 1 is provided so as to penetrate the flange 2, and a tip portion thereof is closed.
- the rear end portion of the hydrogen transport pipe 1 is connected to the hydrogen supply pipe E1 shown in FIG.
- a plurality of injection holes 4 which are small holes are provided on the side surface of the portion protruding from the flange portion 2 of the hydrogen transport pipe 1, and the hydrogen gas passing through the hydrogen transport pipe 1 is radiated from the injection holes 4. It is injected.
- the flange 2 has a plurality of cutouts 5 provided with eaves for spirally ejecting the air R.
- An oxygen supply pipe E2 is connected to the burner C12, and oxygen is also supplied from the oxygen supply pipe E2.
- a solenoid valve E6 (see Fig. 5 (A)) is installed near the connection between the burner C12 and the oxygen supply pipe E2 to control the amount of oxygen gas flowing into the burner C12.
- the oxygen gas generated by the electrolysis in the electrolysis section B can be supplied.
- the generated hydrogen gas and oxygen gas can be used effectively.
- FIG. 7 is a schematic diagram showing another embodiment of the burner.
- the burner C12 has a hydrogen transport pipe 1 provided with a flange 2 for sending hydrogen gas forward of the burner C12.
- an air transport pipe 3 is formed so as to be connected to the flange 2, and surrounds the periphery of the hydrogen transport pipe 1.
- the hydrogen transport pipe 1 is provided so as to penetrate the flange 2, and a tip portion thereof is closed.
- the rear end portion of the hydrogen transport pipe 1 is connected to the hydrogen supply pipe E1 shown in FIG.
- a plurality of injection holes 4 are provided on the side of the portion of the hydrogen transport pipe 1 protruding from the flange portion 2, and the hydrogen gas passing through the hydrogen transport pipe 1 is radially injected from the injection holes 4. .
- an oxygen transport pipe 6 to which oxygen gas is supplied from an oxygen supply pipe E2 (see Fig. 1) is provided inside the hydrogen transport pipe 1.
- the oxygen transport pipe 6 penetrates through the tip of the hydrogen transport pipe 1, and oxygen gas is supplied from the tip of the oxygen transport pipe 6.
- the flange 2 is provided with a plurality of cutouts 5 provided with eaves for ejecting the air R spirally.
- the notches 5 are provided in the same number as the number of the injection holes 4, so that the mixed hydrogen gas and the air R are uniformed in the circumferential direction.
- the air R is heated to a high temperature.
- the combustion air S in the high temperature state becomes the combustion air S, and moves forward so as to swirl inside the mounting pipe C21 of the furnace body C.
- the burner C12 of this embodiment is formed axially symmetrically, and the mixture of hydrogen gas and oxygen gas with the air R is also performed axially, so that the shape of the flame during combustion can be made uniform in the circumferential direction. It is possible, and the position of the flame can be stabilized in one place.
- oxygen transport pipe 6 may be closed at its tip, and similarly to the hydrogen transport pipe 1, oxygen gas outlets may be formed in the outer peripheral wall at equal intervals in the circumferential direction.
- the outer wall C2 of the furnace body C cannot be heated to a sufficiently high temperature and evenly if it is blown out of the upper exhaust pipe C3 while rising inside C.
- a guide plate spirally mounted inside furnace body C is shown in Fig. 5 (A) in order to sufficiently increase the residence time of combustion air S inside furnace body C. C4 is provided.
- the guide plate C4 is attached to the inner wall surface C7 of the furnace body C by welding or the like so as to be spiral.
- the guide plate C4 causes the combustion air S heated by the combustion of the hydrogen gas by the burner C12 of the combustion section C1 to spirally move along the inner wall surface C7 of the furnace body C. I can guide you. [0103] Therefore, the residence time of the high-temperature combustion air S in the furnace body C is prolonged, and the outer wall C2 of the furnace body C is evenly heated, so that the outside air P flowing around the furnace can be efficiently heated. You can.
- the direction of the flame emission from the burner C12 generated by the combustion of the hydrogen gas (same as the direction of the injection of the combustion air S and the axial direction of the mounting pipe C21) Force The tangential direction of the circular inner wall surface C7 of the furnace body C It is preferable that the burner C12 and the mounting pipe C21 are attached so as to face (see FIG. 5B).
- the combustion air S can be opened in the mounting pipe C21. It is possible to prevent the diffusion of the combustion air S from the part C22 into the furnace body C, and to make the combustion air S travel straight in the furnace body C.
- the mounting pipe C21 is mounted so as to face the tangential direction of the inner wall surface C7 of the furnace body C as described above, the state is shifted to a state where the combustion air S moves more smoothly in a spiral manner. Therefore, the inner wall C7 of the furnace body C is more uniformly and efficiently heated.
- the burner C12 is ignited to operate the hydrogen-fired hot air heater A in this state, the hydrogen gas accumulated in the furnace body C may explode.
- a valve C5 for discharging accumulated hydrogen gas was provided at the upper part of the furnace body C (see Fig. 5 (A)). It is preferable to open to the public (see Fig. 1).
- valve C5 it is more preferable to control the valve C5 to open automatically when the hydrogen-burning type hot air heater A is stopped, and to close the valve during operation because it is simple and safe.
- a window C6 for draining water is formed below the furnace body C (see FIG. 5 (A)).
- the combustion air S contains steam generated by the combustion of hydrogen gas
- the furnace body C cools when the hydrogen-burning type hot air heater A is stopped, the steam is generated inside the furnace body C. May cause dew condensation.
- the drainage window C6 is shown as being opened in a cylindrical shape.
- an electromagnetic valve E5 is provided near the connection between the hydrogen supply pipe E1 and the combustion section C1 of the furnace body C, and hydrogen gas is supplied. Is controlled to flow into the combustion section C1.
- a solenoid valve E6 is provided in the oxygen supply pipe E2 near the connection with the attachment pipe C21 of the furnace body C to control the flow of hydrogen gas into the combustion section C1.
- the function of the heating chamber D (see Fig. 1) is as described in the hot air generation mechanism of the hydrogen combustion type hot air heater A above.
- the exhaust pipe C3 of the furnace body C is formed so as to open into the heating chamber D as shown in FIG. 1, the heating efficiency of the outside air P taken in from the suction port D1 can be increased. Therefore, he also stated that it was preferable.
- a suction port D1 is attached to the heating chamber D so that the taken-in outside air P turns around the furnace body C.
- FIG. 8 is a diagram showing a heating chamber D and a furnace body C formed so that the taken in outside air P swirls around the furnace body C.
- A) is a cross-section of only the heating chamber D.
- B) is (A)
- the heating chamber D mainly includes a cylindrical side wall D3, a top wall D4, and a bottom wall D3.
- the heating chamber D is fixed to the upper part of the gantry G.
- a furnace body C is disposed, a mounting pipe C21 and an oxygen supply pipe E2 penetrate the side wall D3, a valve C5 penetrates the upper wall D4, and a window C6 is formed on the bottom wall D5. It is installed so that it penetrates.
- Each part of the furnace body C penetrates through each wall of the heating chamber D, and the part that is welded or sealed as appropriate is kept airtight.
- the suction port D1 is simultaneously tangentially mounted on the upper portion of the cylindrical side wall D3 of the heating chamber D. ing.
- the sufficiently heated outside air P that is, the hot air Q, is discharged to the outside from the hot air outlet D2 provided below the side wall D3 of the heating chamber D.
- the amount of hydrogen gas generated in the electrolyzer B1 of the electrolyzer B was increased to 2.27 m 3 / hour (concentration 98.8%). Electrolysis section Even if hydrogen gas is burned only with air R without using oxygen gas generated in B, hot air Q of at least 70 ° C-130 ° C is generated at hot air outlet D2 of heating chamber D I know I can do that.
- a blower D6 for taking in outside air P is attached to the suction port D1.
- the outside air P is sent from the outside of the heating chamber D into the heating chamber D by the blower D6, and is provided with a driving force for turning around the furnace body C in the heating chamber D.
- the blower D6 may be a so-called fan type or a blow type, and may be attached to the hot air outlet D2, or to both the suction port D1 and the hot air outlet D2.
- the temperature of the hot air Q is basically adjusted by the combustion temperature of the hydrogen gas in the combustion section C1 of the furnace body C. Further, the air volume of the blower D6 is adjusted. Change the flow rate when using oxygen gas (concentration is almost 100%) generated in the electrolysis section B for hydrogen gas combustion, or form so that the exhaust pipe C3 of the furnace body C is blown out of the heating chamber D For example, the temperature can be adjusted to be higher or lower than the above temperature range.
- a means such as attaching a heat insulating material to the upper and lower surfaces of the side wall D3 and the upper wall D4 of the heating chamber D shown in FIG. It is possible to prevent heat from escaping from the space, and it is possible to further improve the heating efficiency.
- a vinyl pipe, duct, etc. (hereinafter collectively referred to as a ventilation pipe H) is attached to the hot air outlet D2, and the hot air Q blown out from the hot air outlet D2 is The air is supplied to the inside of the greenhouse (house) or the room through the ventilation pipe H.
- the power supply B8 is turned on to supply electricity to various electric systems.
- blowers D6, E3 and E4 are started.
- step S1 tap water W is supplied to the water pipe F, and the pure water producing apparatus B6 is connected to the tap water W. Pure water is supplied to the electrolyzer B1 via the separator B2 and the cooler B7.
- step S2 the pure water is decomposed into hydrogen gas and oxygen gas by the electrolyzer B1, and the process proceeds to step S3 and step S4.
- step S3 the hydrogen gas generated in the electrolyzer B1 is supplied to the hydrogen separator B2a, and the hydrogen gas is cooled.
- step S4 the oxygen gas generated in the electrolyzer B1 is supplied to the oxygen separator B2b to cool the oxygen gas.
- step S5 the water vapor contained in the hydrogen gas supplied from the hydrogen separator B2a is removed by the hydrogen aggregator B3a.
- step S6 the water vapor contained in the oxygen gas supplied from the oxygen separator B2b is removed by the oxygen aggregator B3b.
- step S7 the pressures of the hydrogen gas and the oxygen gas from the hydrogen condenser B3a and the oxygen condenser B3b are compared.
- step S8 the hydrogen gas that has passed through the differential pressure regulator B4 flows into the hydrogen dryer B5a, and the hydrogen gas undergoes final drying.
- step S9 the oxygen gas that has passed through the differential pressure regulator B4 flows into the oxygen dryer B5b, and the oxygen gas undergoes final drying.
- step S10 hydrogen gas flows into the solenoid valve E5 from the hydrogen dryer B5a via the hydrogen supply pipe E1, and the flow rate is adjusted.
- step S11 oxygen gas flows into the electromagnetic valve E6 from the oxygen dryer B5b via the oxygen supply pipe E2, and the flow rate is adjusted.
- step S12 the hydrogen gas from the hydrogen supply pipe E1 (e.g., 3m 3 Zh) and the oxygen gas from the oxygen supply pipe E2, air R a combustion portion C1 aspirated from the fan C11 (e.g., 30 000kcal / h).
- the hydrogen gas from the hydrogen supply pipe E1 e.g., 3m 3 Zh
- the oxygen gas from the oxygen supply pipe E2 air R a combustion portion C1 aspirated from the fan C11 (e.g., 30 000kcal / h).
- step S13 the reaction gas burned in the combustion section C1 heats the furnace C (the upper temperature in the furnace becomes, for example, about 250 ° C.).
- step S14 the reaction gas discharged from the exhaust pipe C3 of the furnace body C and the outside air P sucked from the blower D6 are mixed in the heating chamber D (for example, about 130 ° C.). It becomes).
- step S15 the mixed gas of the reaction gas and the outside air P is heated through the ventilation pipe H. It is discharged as wind (eg, about 60 ° C, outside air at 15 ° C).
- the second embodiment differs from the first embodiment only in the structure of the hydrogen-burning type hot air heater A, only the differences will be described in detail.
- FIG. 10 is a schematic view showing a second embodiment of the hydrogen combustion type hot air heater of the present invention (only the heating chamber D is shown so that the inside can be seen).
- FIG. 11 is an explanatory diagram showing a heating chamber and a furnace body formed so that the taken in outside air swirls around the furnace body.
- FIG. 11 (A) is a cross-sectional view of a heating chamber and a preheating chamber
- FIG. 11 (B) is a cross-sectional view along the line ZZ of FIG. 11 (A).
- the hydrogen-burning type hot-air heater A of the second embodiment takes in outside air P into the suction port D1 of the heating chamber D (see the arrow in FIG. 10), and takes in the outside air P into the furnace body C in a high-temperature state. Then, the heated outside air P is discharged from the hot air outlet D2 to the outside (see the arrow in FIG. 10) to generate hot air Q.
- the suction port D1 is provided on the lower wall surface of the heating chamber D by utilizing the property that the air becomes lighter as the temperature increases, and the hot air outlet D2 is provided at the center of the upper surface of the heating chamber D.
- connection part D7 is formed in the hot air outlet D2, and the direction of the hot air outlet D2 can be freely rotated. Can be changed.
- a cylindrical preheater is provided outside the heating chamber D.
- the return flow path J1 is connected to the upper end side of the preheating, and the preheating is connected to the suction port D1.
- a window C6 for draining water is provided at the lower end of the furnace body C, and a through-hole C61 is formed on the peripheral surface of the window C6, and the inside of the furnace body C is compared through the through-hole C61.
- the reaction gas with extremely high temperature is released outside the furnace C.
- reaction gas flows directly into the preheater via the dedicated passage K.
- reaction gas that has flowed into the preheater [] flows into the above-described return / recirculation path J1, and is returned to the suction port 01.
- the preheating plays a role as a heat insulating layer, and high heat insulating properties are obtained. It is demonstrated.
- the heating chamber D is kept warm, and even if the apparatus is installed in a cold region, the combustion efficiency can be improved without the heating chamber D being cooled by external cold air.
- the relatively high-temperature reactant gas discharged into the heating chamber D flows directly into the preheater via the dedicated passage K so as not to mix with the air in the heating chamber D, and After passing around the outer wall of D, it is discharged to the outside of the preheater 3 ⁇ 4, so the amount of heat transmitted from the furnace body C to the outside of the preheater through the heating chamber D and the preheater ⁇ ⁇ ⁇ can be reduced, D can be kept warm.
- the reaction gas discharged to the outside of the preheater flows into the heating chamber D via the return circulation path J1, the relatively high temperature reaction gas flowing through the return circulation path J1 is supplied to the heating chamber D. It can be mixed with the outside air taken in and can generate hot air with good thermal efficiency.
- furnace body C is a so-called vertical type, that is, the case where combustion air S in furnace body C flows generally in a vertical direction (from bottom to top) has been described.
- Force The present invention naturally includes a so-called horizontal type.
- a spiral guide plate C4 is formed in the furnace body C similarly to the present invention, and the combustion air
- the same effect as that of the present invention can be obtained by forming the S so as to guide the inside of the furnace body C so as to flow downward from above.
- the mounting position of the warm air outlet D2 to the heating chamber D is not limited to the mounting position shown in Figs. 8 (A) and 8 (B). It is appropriately selected, for example, to be attached to the cylindrical side wall D3 of the chamber D in the tangential direction.
- the combustion part C1 of the furnace body C (omitted in FIG. 8) is attached to the outside of the side wall D3 of the heating chamber D, and the air R outside the heating chamber D is sucked.
- the outside air P is sucked from the inside of the heating chamber D shown in FIG.
- Fig. 10 and Fig. 11 an example is described in which the return flow path J1 and the dedicated path K are provided one by one, but a plurality of return flow paths J1 and dedicated passages K may be provided.
- the present invention relates to a hydrogen-burning type hot-air heater and a hydrogen-burning type hot-air generating method.
- the principle is used, for example, not only for heating a greenhouse, but also for general buildings, Naturally, it can be applied to air conditioning of plants, ships, etc.
- FIG. 1 is an explanatory diagram showing a first embodiment of a hydrogen combustion type hot air heater according to the hydrogen combustion type hot air generation method of the present invention.
- FIG. 2 is an explanatory view showing a structure of an electrolysis section of the hydrogen combustion type hot air heater of FIG. 1.
- FIG. 3 is an explanatory view showing the internal structure of the hydrogen coagulator of FIG. 2.
- FIG. 4 is an explanatory diagram showing a perspective view of the electrolysis apparatus of FIG. 1.
- FIG. 5 is an explanatory view showing the structure of the furnace body of FIG. 1, (A) is a cross-sectional view when the furnace body is viewed from the back side, and (B) is a cross-sectional view along line XX of (A). It is.
- FIG. 6 is an explanatory diagram showing a state of combustion by a burner in the installation pipe of FIG. 5.
- FIG. 7 is an explanatory view showing another embodiment of the burner.
- FIG. 8 is an explanatory view showing a heating chamber and a furnace body formed so that the taken-in outside air swirls around the furnace body.
- FIG. () Is a cross-sectional view taken along the line YY of (A).
- FIG. 9 is an explanatory diagram showing a processing flow of the hydrogen combustion type hot air heater of FIG. 1.
- FIG. 10 is an explanatory view showing a second embodiment of the hydrogen combustion type hot air heater according to the hydrogen combustion type hot air generation method of the present invention.
- FIG. 11 is an explanatory view showing a heating chamber and a furnace body formed so that intake air swirls around the furnace body.
- FIG. 11A is a cross-sectional view of the heating chamber and an external view of the furnace body.
- (B) is a sectional view taken along the line ZZ in (A).
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Air Supply (AREA)
- Direct Air Heating By Heater Or Combustion Gas (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
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JP2005506765A JP4671232B2 (ja) | 2003-06-02 | 2004-06-02 | 水素燃焼型温風発生方法及び水素燃焼型温風暖房機 |
KR1020057023024A KR101125580B1 (ko) | 2003-06-02 | 2004-06-02 | 수소연소형 온풍난방기, 수소연소형 온풍발생 방법 및 그방법에 사용하는 버너 |
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JP2003156910 | 2003-06-02 | ||
JP2003-156910 | 2003-06-02 |
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WO2004109193A1 true WO2004109193A1 (ja) | 2004-12-16 |
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PCT/JP2004/007630 WO2004109193A1 (ja) | 2003-06-02 | 2004-06-02 | 水素燃焼型温風暖房機、水素燃焼型温風発生方法及びその方法に用いるバーナー |
Country Status (3)
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JP (1) | JP4671232B2 (ja) |
KR (1) | KR101125580B1 (ja) |
WO (1) | WO2004109193A1 (ja) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009032190A2 (en) * | 2007-08-28 | 2009-03-12 | Transphorm, Inc. | Compact electric appliance for providing gas for combustion |
ITRE20080123A1 (it) * | 2008-12-31 | 2010-07-01 | Orles Ferretti | Gestione di un sistema di alimentazione di un forno industriale |
CN113503579A (zh) * | 2021-07-02 | 2021-10-15 | 宁波宝工电器有限公司 | 一种适应性强的取暖装置 |
EP4151922A1 (en) * | 2021-09-17 | 2023-03-22 | Tieluk B.V. | Hot water installation and method for heating water |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR100780517B1 (ko) * | 2006-11-10 | 2007-11-30 | 김상남 | 농업용 브라운가스 온풍기 |
KR100818211B1 (ko) * | 2006-12-27 | 2008-03-31 | 김용철 | 수소버너를 이용한 보일러 장치 |
KR100848399B1 (ko) * | 2007-01-26 | 2008-07-29 | 농업회사법인 주식회사 파워그린 | 워터가스 발생기를 이용한 농업용 온풍 및 난방 겸용가열장치 |
US20220394935A1 (en) * | 2021-06-09 | 2022-12-15 | Hgci, Inc. | Heater for an indoor grow facility |
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JPH05157665A (ja) * | 1991-10-09 | 1993-06-25 | Kobe Steel Ltd | 空気加熱装置 |
JPH0946802A (ja) * | 1995-07-31 | 1997-02-14 | Nippon Soken Inc | 電気自動車用暖房装置 |
JPH10238712A (ja) * | 1997-02-28 | 1998-09-08 | Kozo Sekimoto | 燃焼装置および加熱装置 |
JPH11281160A (ja) * | 1998-03-30 | 1999-10-15 | Sanyo Electric Co Ltd | 水素燃料暖房システム |
JP3220607B2 (ja) * | 1995-01-18 | 2001-10-22 | 三菱商事株式会社 | 水素・酸素ガス発生装置 |
-
2004
- 2004-06-02 KR KR1020057023024A patent/KR101125580B1/ko not_active IP Right Cessation
- 2004-06-02 WO PCT/JP2004/007630 patent/WO2004109193A1/ja active Application Filing
- 2004-06-02 JP JP2005506765A patent/JP4671232B2/ja not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
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JPH05157665A (ja) * | 1991-10-09 | 1993-06-25 | Kobe Steel Ltd | 空気加熱装置 |
JP3220607B2 (ja) * | 1995-01-18 | 2001-10-22 | 三菱商事株式会社 | 水素・酸素ガス発生装置 |
JPH0946802A (ja) * | 1995-07-31 | 1997-02-14 | Nippon Soken Inc | 電気自動車用暖房装置 |
JPH10238712A (ja) * | 1997-02-28 | 1998-09-08 | Kozo Sekimoto | 燃焼装置および加熱装置 |
JPH11281160A (ja) * | 1998-03-30 | 1999-10-15 | Sanyo Electric Co Ltd | 水素燃料暖房システム |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009032190A2 (en) * | 2007-08-28 | 2009-03-12 | Transphorm, Inc. | Compact electric appliance for providing gas for combustion |
WO2009032190A3 (en) * | 2007-08-28 | 2009-06-25 | Transphorm Inc | Compact electric appliance for providing gas for combustion |
ITRE20080123A1 (it) * | 2008-12-31 | 2010-07-01 | Orles Ferretti | Gestione di un sistema di alimentazione di un forno industriale |
CN113503579A (zh) * | 2021-07-02 | 2021-10-15 | 宁波宝工电器有限公司 | 一种适应性强的取暖装置 |
EP4151922A1 (en) * | 2021-09-17 | 2023-03-22 | Tieluk B.V. | Hot water installation and method for heating water |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004109193A1 (ja) | 2006-07-20 |
JP4671232B2 (ja) | 2011-04-13 |
KR101125580B1 (ko) | 2012-03-23 |
KR20060017624A (ko) | 2006-02-24 |
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