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WO2007046468A1 - Appareil a combustion utilisant un petit evaporateur - Google Patents

Appareil a combustion utilisant un petit evaporateur Download PDF

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Publication number
WO2007046468A1
WO2007046468A1 PCT/JP2006/320855 JP2006320855W WO2007046468A1 WO 2007046468 A1 WO2007046468 A1 WO 2007046468A1 JP 2006320855 W JP2006320855 W JP 2006320855W WO 2007046468 A1 WO2007046468 A1 WO 2007046468A1
Authority
WO
WIPO (PCT)
Prior art keywords
gas
combustion
vaporizer
supply pipe
liquid
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/JP2006/320855
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English (en)
Japanese (ja)
Inventor
Kenji Okayasu
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to JP2007541038A priority Critical patent/JP4964779B2/ja
Publication of WO2007046468A1 publication Critical patent/WO2007046468A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • F23D14/28—Burners for combustion of a gas, e.g. of a gas stored under pressure as a liquid in association with a gaseous fuel source, e.g. acetylene generator, or a container for liquefied gas

Definitions

  • the present invention relates to a combustion apparatus using a small vaporizer used in a combustion apparatus using liquid gas as fuel.
  • Liquid gas is used as a fuel for small combustion equipment such as portable heaters and portable flame torches because the vapor pressure is not so high at room temperature and the calorific value per weight is large. .
  • liquid gas When liquid gas is burned with such a combustion device, it is ejected as a vaporized gas from the nozzle nozzle of the combustion device, and air is mixed at a constant rate to create an air-fuel mixture. Combustion takes place in the part. Therefore, combustion cannot be maintained unless such an air-fuel mixture is supplied to the combustion section.
  • the combustion device since the combustion device is portable, the combustion device is burned in various orientations and angles, and the liquid gas cylinder is tilted accordingly and inverted. As a result, the liquefied gas may reach the nozzle while being in a liquid state, and the nozzle force may be ejected. If this happens, the mixture ratio of the sucked air and gas is greatly changed, the air-fuel mixture becomes too thick, and incomplete combustion occurs, so normal combustion cannot be maintained.
  • Cited Document 1 disclose measures for preventing the liquid gas from reaching the nozzle of the combustion device when the gas cylinder is tilted or inverted and used for a long time.
  • the apparatus disclosed in Cited Document 1 has a vaporization chamber between the liquid gas cylinder and the combustion equipment. A part of the gas supply pipe from the vaporization chamber to the nozzle of the combustion equipment is faced in front of the combustion part, and that part is directly roasted with a flame so that the liquid gas in the gas supply pipe is vaporized by heating. Yes.
  • the gas supply pipe is directly connected to the nozzle of the combustion equipment, such as a liquid gas cylinder, and a part thereof is disposed in front of the combustion section in the same manner as in Patent Document 1.
  • the part is directly roasted with a flame, and the liquid gas in the gas supply pipe is vaporized by heating.
  • it is excellent in that only the gas vaporized by nozzle combustion of the combustion equipment is always ejected, but there is a drawback that the structure becomes complicated, such as the provision of a gas supply pipe for calorie heat.
  • Patent Document 1 Japanese Utility Model Publication 5-47936
  • Patent Document 2 Actual Fairness 6-16267 Publication
  • An object of the present invention is to provide a combustion device regardless of the angle of the gas combustion device or the liquid gas cylinder without providing the gas supply pipe necessary for heating the liquid gas as described above. It is intended to provide a combustion apparatus using a small vaporizer that can continue to supply vaporized gas to a nozzle at a stable pressure.
  • the object of the present invention is to provide a supply pipe disposed between a liquid gas cylinder and a combustion device having a combustion portion, and a combustion portion of the combustion device disposed in the supply pipe.
  • a non-return valve provided in the supply pipe upstream of the carburetor for preventing an excessive liquid gas from flowing into the carburetor. Is done.
  • the carburetor and the check valve preferably have the power of a single unit, but may be separate from each other.
  • the carburetor has a carburetor body that is provided in thermal contact with the combustion section so that heat is transferred from the combustion section of the combustion equipment, and the carburetor body generates liquid gas by the heat.
  • a vaporization chamber for vaporization is formed, and at the entrance and inside Including a housing having an outlet portion disposed, and the check valve is configured to open and close the inlet portion by seating on and away from the valve seat with an o-ring force provided at the inlet portion of the housing.
  • a coil spring for urging the ball valve toward the valve seat.
  • the liquid gas in the liquid gas cylinder passes through the supply pipe and is supplied to the carburetor via the check valve.
  • the liquid gas retained in the vaporization chamber of the vaporizer is vaporized.
  • the valve is closed by the check valve, and there is no back flow to the vaporizer power liquid gas cylinder.
  • the vaporizer then plays the role of the second cylinder, and continues to supply the gas vaporized through the nozzle to the combustion section.
  • the pressure regulator can prevent the pressure of the gas vaporized in the vaporizer from pulsating, and can stably burn the gas.
  • 1 is a liquefied gas cylinder
  • 1A is its discharge port
  • 2 is a supply pipe from the cylinder to the combustion equipment B
  • E is provided in the supply pipe downstream of the cylinder
  • V has a check valve V shown in FIG.
  • the carburetor is placed in thermal contact with the combustion device B so that the heat H of the combustion device is transmitted.
  • P is a pressure regulator provided in the supply pipe between the vaporizer E and the combustion device B.
  • Check valve V is not built into the vaporizer! May be separate! /.
  • FIG. 3 is a diagram showing details of the vaporizer E used in the combustion apparatus of the present invention.
  • the vaporizer E is coupled to the supply pipe 2 downstream of the cylinder and has a vaporization chamber 6A inside. It includes the main body 6 that constitutes the housing body.
  • the check valve V is disposed inside the housing and is a valve seat comprising an O-ring 7 disposed and secured to the inlet 2B of the vaporizing chamber of the housing.
  • the ball valve 8, the coil spring 9 for always pressing the ball valve 8 against the O-ring, and the force.
  • the end portion 2C of the supply pipe on the combustion equipment side extends into the vaporization chamber 6A of the housing and constitutes the outlet. With this configuration, the liquid liquid gas can be temporarily retained in the vaporization chamber so that the end portion 2C force does not flow out directly.
  • the vaporizer E is formed by forming a part of the supply pipe 2 in a coil shape or on the bellows in order to retain the liquid liquefied gas in the same manner as in the above embodiment. .
  • the gaseous liquid gas reaches the check valve V through the gas cylinder force supply pipe, and the check valve is turned on by the pressure of the gaseous liquefied gas. It opens, passes through the vaporizer E and the pressure regulator P, reaches the nozzle of the combustion equipment, and is ignited by an igniter (not shown) in the combustion section. After a while, the combustor is heated by the flame itself, so that heat is transferred to the vaporizer. If the gas cylinder is tilted for some reason at this time, the liquid liquid gas supplied to the vaporizing chamber 6A of the vaporizer E through the liquid gas cylinder force supply pipe 2 is supplied to the vaporizing chamber of the vaporizer E.
  • the liquid liquefied gas is vaporized by the heat H transmitted from the heating section.
  • the temperature required for vaporization depends on the conditions of use. If the temperature difference is about 10 ° C to several tens of ° C, usually about 20 ° C to 30 ° C higher than the gas cylinder, it will ignite. Since it arrives in a short time, it is not necessary to be aware of the orientation of the liquid gas cylinder 1. However, especially when starting at low temperatures, the discharge port 1A of the liquid gas cylinder 1 needs to be temporarily upward. If it cannot be turned upward, it is preferable to keep the vaporizer E hot during operation.
  • the check valve is closed.
  • the liquid liquefied gas can be forcibly vaporized.
  • pulsation occurs in the vaporized gas pressure, and the gas pressure to the gas nozzle 3 fluctuates, thereby varying the gas discharge amount.
  • the pressure regulator P placed between the carburetor E and the combustion equipment can smooth such pressure fluctuations.
  • the regulated gas at a constant pressure can be supplied to the combustor side (secondary side), and the pressure on the secondary side can be changed arbitrarily by the knob P ′ of the pressure regulator P, thereby The amount of gas jet from 3 can be changed.
  • FIG. 2 shows an embodiment in which the combustion apparatus according to the present invention is applied to a torch type burner.
  • the burner has a burner body D, which is a combustion device designed to be installed in a liquid gas cylinder.
  • a supply pipe 2 extends between the cylinder and the panner, and a vaporizer E and a pressure regulator P are arranged in the supply pipe 2.
  • Vaporizer E is installed in contact with the PANANER body so that heat from PANANER body D can be directly transferred, and pressure regulator P is attached to it at intervals so that the heat of PANANER body D force is not transferred much.
  • the main body D has a gas passage 10 that is connected to the supply pipe 2 and reaches the combustion portion, that is, the panner portion 11, and a gas nozzle 3 provided in the gas passage.
  • G indicates the direction in which the gas vaporized in the passage 10 advances.
  • the vaporizer E is sufficiently vaporized at such a temperature that the vaporizer body 6 should be installed at the location of the main body where the vaporizer body 6 is heated to about 50 ° C to 60 ° C.
  • the internal rubber O-ring 7 is not damaged.
  • the liquid liquefied gas passes through the supply pipe 2 and reaches the inlet of the vaporizer E.
  • the pressure in the vaporizer E is lower than the pressure of the lower pressure S and the pressure in the gas cylinder 1 slightly exceeds the force that pushes the ball valve 8, the liquid liquid gas enters the vaporization chamber 6A. Supplied. Since the vaporizer E is already heated and the liquid liquefied gas is immediately vaporized and becomes higher than the internal pressure of the liquid gas cylinder 1, the ball valve 8 is closed. The flow of liquid liquid gas is stopped.
  • this example is an example of a torch type gas spanner called a bienpanner, but the panner 11 has a conical flame 5 and a sleeve fire 12 at its skirt, and a conical flame 5 at any inclination. Can be maintained.
  • the carburetor E of the present invention By mounting the carburetor E of the present invention on such a combustion apparatus, the combustion apparatus can be used freely without worrying about the inclination or angle of the liquid gas cylinder 1.
  • the carburetor may become a predetermined temperature or less after a while after extinguishing the fire. In such a state, when the gas burner is used after re-igniting, there is an inconvenience that the tilting cannot be used until the air heater reaches a predetermined temperature. In order to solve this problem, it is preferable to keep the heat storage body in close contact with the vaporizer body 6. As a result, thermal energy is supplied even during digestion, so the temperature does not decrease immediately, and it can be used by tilting immediately after re-ignition.
  • a metal such as copper having a large heat capacity, or a material using, for example, wax or low-melting point plastic that uses latent heat at the time of phase change of a substance when it is desired to reduce the weight can be used.
  • the vaporizer performs the vaporization function of the liquid gas when it reaches the predetermined temperature due to the combustion heat, the predetermined temperature is set so that the user can visually confirm this temperature from the outside. It is convenient to put a sticker on the vaporizer body 6 that uses a liquid crystal that changes color or the characters appear. In particular, such a seal is effective in a torch type gas burner, but can also be applied to other combustion apparatuses.
  • FIG. 4 shows a portable heat transfer device as another embodiment to which the combustion device according to the present invention is applied.
  • the portable heat transfer device T includes a liquid gas cylinder 1 inside, and further includes a gas nozzle, an air suction ejector, and a gas mixture generating section 13 having a pipe for mixing gas and air, and a mixture thereof. It is equipped with a combustor 14 that burns air and a liquid circulator 15 that transfers this heat to the liquid W and circulates it through the flexible piping 16 to the external heat load L. It is to be used by wearing it on clothes or a lap.
  • the carburetor E is installed in the vicinity of the combustion section 14 of the combustion equipment, and a knob P ′ for adjusting the pressure is provided between the carburetor E and the combustion section 14.
  • a pressure regulator P is provided, and a gaseous liquid gas having a constant pressure is supplied to the gas nozzle via the gas mixture generating section 13.
  • 17 is a heat insulation layer, and heat from the combustion section 14 is not directly transferred to the LPG cylinder 1! /, So always keep the liquefied gas cylinder 1 at a lower temperature than the vaporizer E. It is preferable to keep it.
  • the combustion section 14 used in this example can be a flame combustion type or a catalytic combustion type.
  • FIG. 1 is a schematic diagram showing the principle of a combustion apparatus of the present invention.
  • FIG. 2 is a partially sectioned side view showing an embodiment in which the principle of the combustion apparatus of the present invention is applied to a torch type burner.
  • FIG. 3 is a cross-sectional view of a vaporizer used in the combustion apparatus of the present invention.
  • FIG. 4 is a schematic view of an embodiment in which the combustion device of the present invention is applied to a portable heat transfer device. Explanation of symbols

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Feeding And Controlling Fuel (AREA)
  • Filling Or Discharging Of Gas Storage Vessels (AREA)
  • Gas Burners (AREA)

Abstract

L'invention concerne un petit évaporateur qui, lorsqu'il est utilisé dans un appareil à combustion utilisant un gaz liquéfié comme combustible, peut alimenter de façon stable l'appareil à combustion en gaz issu du gaz liquéfié indépendamment de l'inclinaison de la bouteille de gaz liquéfié ; l'invention concerne également un appareil à combustion utilisant l'évaporateur. L'appareil à combustion comprend une bouteille (1) de gaz liquéfié, un brûleur (B) doté d'un composant de combustion et une conduite d'alimentation (2) disposée entre ceux-ci. La conduite d'alimentation contient un évaporateur (E) régulé de façon à se trouver à une température plus élevée que celle de la bouteille de gaz liquéfié par conduction de chaleur à partir du composant de combustion du brûleur pour vaporiser ainsi le gaz liquéfié, un régulateur de pression (P) situé en aval de l'évaporateur et servant à réguler la pression du gaz vaporisé, et un clapet anti-retour (V) situé en amont de l'évaporateur et servant à empêcher le gaz liquéfié de s'écouler en excès dans l'évaporateur.
PCT/JP2006/320855 2005-10-19 2006-10-19 Appareil a combustion utilisant un petit evaporateur Ceased WO2007046468A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2007541038A JP4964779B2 (ja) 2005-10-19 2006-10-19 小型気化装置を用いた燃焼装置

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2005303825 2005-10-19
JP2005-303825 2005-10-19

Publications (1)

Publication Number Publication Date
WO2007046468A1 true WO2007046468A1 (fr) 2007-04-26

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/JP2006/320855 Ceased WO2007046468A1 (fr) 2005-10-19 2006-10-19 Appareil a combustion utilisant un petit evaporateur

Country Status (3)

Country Link
JP (1) JP4964779B2 (fr)
CN (1) CN101292117A (fr)
WO (1) WO2007046468A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013159712A (ja) * 2012-02-06 2013-08-19 Time Auto Machine Co Ltd 表面改質処理装置
JP2013185782A (ja) * 2012-03-09 2013-09-19 Time Auto Machine Co Ltd 表面改質処理装置
US11667557B2 (en) 2020-12-14 2023-06-06 Shin-Etsu Chemical Co., Ltd. Apparatus and method for producing porous glass preform

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR101797064B1 (ko) * 2016-03-07 2017-11-13 최태일 안전 성화봉
JP6793676B2 (ja) * 2018-04-02 2020-12-02 信越化学工業株式会社 光ファイバ用多孔質ガラス母材の製造装置および製造方法
JP6978991B2 (ja) * 2018-08-23 2021-12-08 信越化学工業株式会社 光ファイバ用多孔質ガラス母材の製造方法および製造装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117835A (ja) * 1984-07-04 1986-01-25 Matsushita Electric Ind Co Ltd 燃焼調理器
JPH02133523U (fr) * 1989-03-31 1990-11-06
JPH0926139A (ja) * 1995-07-14 1997-01-28 Asahi Technos:Kk ガス器具における気化装置
JPH0942618A (ja) * 1995-07-25 1997-02-14 Asahi Technos:Kk ガス器具における気化装置

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6117835A (ja) * 1984-07-04 1986-01-25 Matsushita Electric Ind Co Ltd 燃焼調理器
JPH02133523U (fr) * 1989-03-31 1990-11-06
JPH0926139A (ja) * 1995-07-14 1997-01-28 Asahi Technos:Kk ガス器具における気化装置
JPH0942618A (ja) * 1995-07-25 1997-02-14 Asahi Technos:Kk ガス器具における気化装置

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2013159712A (ja) * 2012-02-06 2013-08-19 Time Auto Machine Co Ltd 表面改質処理装置
JP2013185782A (ja) * 2012-03-09 2013-09-19 Time Auto Machine Co Ltd 表面改質処理装置
US11667557B2 (en) 2020-12-14 2023-06-06 Shin-Etsu Chemical Co., Ltd. Apparatus and method for producing porous glass preform

Also Published As

Publication number Publication date
JP4964779B2 (ja) 2012-07-04
JPWO2007046468A1 (ja) 2009-04-23
CN101292117A (zh) 2008-10-22

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