WO2018037620A1 - 加熱炉の冷却装置 - Google Patents
加熱炉の冷却装置 Download PDFInfo
- Publication number
- WO2018037620A1 WO2018037620A1 PCT/JP2017/016156 JP2017016156W WO2018037620A1 WO 2018037620 A1 WO2018037620 A1 WO 2018037620A1 JP 2017016156 W JP2017016156 W JP 2017016156W WO 2018037620 A1 WO2018037620 A1 WO 2018037620A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- furnace
- supply pipe
- cooling
- cooling water
- combustion
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims abstract description 73
- 238000001816 cooling Methods 0.000 title claims abstract description 30
- 238000002485 combustion reaction Methods 0.000 claims abstract description 104
- 239000000446 fuel Substances 0.000 claims abstract description 92
- 239000000498 cooling water Substances 0.000 claims abstract description 62
- 239000002826 coolant Substances 0.000 claims abstract description 37
- 230000002093 peripheral effect Effects 0.000 claims abstract description 6
- 238000005338 heat storage Methods 0.000 claims description 11
- 239000003595 mist Substances 0.000 claims description 2
- 239000007921 spray Substances 0.000 description 25
- 238000012423 maintenance Methods 0.000 description 5
- 238000000605 extraction Methods 0.000 description 3
- 230000007723 transport mechanism Effects 0.000 description 3
- 229910000831 Steel Inorganic materials 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000001172 regenerating effect Effects 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
-
- 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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/72—Safety devices, e.g. operative in case of failure of gas supply
- F23D14/78—Cooling burner parts
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D11/00—Burners using a direct spraying action of liquid droplets or vaporised liquid into the combustion space
- F23D11/36—Details, e.g. burner cooling means, noise reduction means
-
- 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
-
- 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
- F23D14/46—Details, e.g. noise reduction means
- F23D14/66—Preheating the combustion air or gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
- F23L15/02—Arrangements of regenerators
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L7/00—Supplying non-combustible liquids or gases, other than air, to the fire, e.g. oxygen, steam
- F23L7/002—Supplying water
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L9/00—Passages or apertures for delivering secondary air for completing combustion of fuel
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
- F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
- F27B9/30—Details, accessories, or equipment peculiar to furnaces of these types
- F27B9/36—Arrangements of heating devices
-
- 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
- F23C2203/00—Flame cooling methods otherwise than by staging or recirculation
- F23C2203/30—Injection of tempering fluids
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23D—BURNERS
- F23D2900/00—Special features of, or arrangements for burners using fluid fuels or solid fuels suspended in a carrier gas
- F23D2900/14—Special features of gas burners
- F23D2900/14681—Adding steam or water vapor to primary or secondary combustion air
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L2900/00—Special arrangements for supplying or treating air or oxidant for combustion; Injecting inert gas, water or steam into the combustion chamber
- F23L2900/07008—Injection of water into the combustion chamber
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/0005—Cooling of furnaces the cooling medium being a gas
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F27—FURNACES; KILNS; OVENS; RETORTS
- F27D—DETAILS OR ACCESSORIES OF FURNACES, KILNS, OVENS, OR RETORTS, IN SO FAR AS THEY ARE OF KINDS OCCURRING IN MORE THAN ONE KIND OF FURNACE
- F27D9/00—Cooling of furnaces or of charges therein
- F27D2009/0002—Cooling of furnaces
- F27D2009/001—Cooling of furnaces the cooling medium being a fluid other than a gas
- F27D2009/0013—Cooling of furnaces the cooling medium being a fluid other than a gas the fluid being water
- F27D2009/0016—Water-spray
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
Definitions
- the present invention relates to a heating furnace in which fuel supplied through a fuel supply pipe and combustion air supplied through a combustion air supply pipe are mixed by a combustion burner to burn the fuel in the furnace.
- this furnace is characterized in that the inside of the furnace can be cooled in a short time with simple equipment.
- the fuel supplied through the fuel supply pipe and the combustion air supplied through the combustion air supply pipe are mixed by the combustion burner, Is used in which a fuel is burned.
- a heating furnace a plurality of the above-described combustion burners are provided along the furnace length direction of the heating furnace, and the objects to be processed are successively moved in the furnace length direction in the furnace to continuously process the objects to be processed.
- a continuous heating furnace that is heat-treated is also used.
- the fuel is not supplied through the fuel supply pipe to stop the combustion, while the blower is driven to drive the above-mentioned combustion Cooling air is sent into the furnace through the air supply pipe, and the inside of the furnace is cooled by the cooling air.
- Patent Document 1 a spray nozzle that can be inserted into a furnace is provided at a ceiling portion of the heating furnace, and after stopping combustion in the heating furnace, cooling air is used as described above.
- the spray nozzle is inserted into the furnace and the spray nozzle is sprinkled on the scale deposited in the furnace to reduce the temperature in the furnace.
- Patent Document 2 a spray nozzle and a spray nozzle similar to Patent Document 1 are provided on the ceiling portion of the heating furnace so as to be inserted into the furnace, and combustion in the heating furnace is stopped.
- the cooling air is fed into the furnace as described above, the spray nozzle and the spray nozzle are inserted into the furnace, the cooling water is sprayed from the spray nozzle into the furnace, and the patent Similar to Document 1, water sprayed from the spray nozzle to the scale deposited in the furnace to reduce the temperature in the furnace has been proposed.
- Patent Documents 1 and 2 the operation of providing a spray nozzle or spray nozzle so that it can be inserted into the furnace on the ceiling portion of the heating furnace is very troublesome and costly, and in particular, combustion
- a continuous heating furnace in which a plurality of burners are provided along the furnace length direction of the heating furnace, and the workpieces are sequentially moved in the furnace length direction so that the workpieces are continuously heat-treated.
- it is necessary to provide a large number of spray nozzles and spray nozzles and there is a problem that more time is required and the cost is increased.
- the present invention performs maintenance and the like in a heating furnace in which fuel supplied through a fuel supply pipe and combustion air supplied through a combustion air supply pipe are mixed by a combustion burner to burn the fuel in the furnace. Therefore, an object of the present invention is to solve the above-mentioned problems when the temperature in the furnace is lowered.
- an object of the present invention is to allow the inside of the furnace in the heating furnace to be cooled in a short time with simple equipment.
- the fuel supplied through the fuel supply pipe and the combustion air supplied through the combustion air supply pipe are mixed by the combustion burner,
- a cooling medium guide pipe for guiding cooling air for cooling the fuel supply pipe into the furnace is provided on the outer peripheral side of the fuel supply pipe.
- a cooling water supply pipe for supplying cooling water to the pipe via a cooling water adjustment valve was connected.
- the fuel supplied through the fuel supply pipe and the combustion air supplied through the combustion air supply pipe are mixed by the combustion burner to burn the fuel in the furnace.
- the combustion by the burner is stopped, and the cooling water adjustment valve is opened, the cooling water is guided to the cooling medium guide pipe through the cooling water supply pipe, and the cooling water is injected into the heating furnace from the cooling medium guide pipe. I did it.
- the cooling is guided into the furnace through the cooling medium guide pipe provided on the outer periphery of the fuel supply pipe.
- the fuel supply pipe is cooled by air, deformation and damage of the fuel supply pipe due to heat during combustion and radiant heat from the furnace are suppressed.
- the cooling water adjustment valve is opened, and the cooling water is guided to the cooling medium guide pipe through the cooling water supply pipe, and from this cooling medium guide pipe
- the cooling water is injected into the furnace, it is not necessary to separately provide a spray nozzle or spray nozzle so that it can be inserted into the furnace as in the past, and the operation of inserting the nozzle near the high-temperature ceiling becomes unnecessary.
- the inside of the furnace is efficiently and safely cooled by the cooling water jetted from the cooling medium guide tube.
- the cooling air is injected into the furnace from the cooling medium guide tube together with the cooling water so that the cooling water is atomized. You may inject in a furnace. If it does in this way, since mist-like cooling water diffuses in a furnace, a wide range can be cooled quickly.
- a plurality of the combustion burners are provided along the furnace length direction, and the workpieces are sequentially moved in the furnace length direction in the furnace to continuously heat the workpieces.
- the combustion by the combustion burner is stopped as described above, the cooling water adjustment valve is opened, and the cooling water is guided to the cooling medium guide pipe through the cooling water supply pipe.
- the cooling water is jetted from the cooling medium guide tube into the heating furnace, even in a continuous heating furnace having a long furnace length, the long furnace is cooled by the cooling water jetted from each cooling medium guide pipe. The entire long furnace is efficiently cooled at the same time.
- a regenerative combustion burner that supplies combustion air through a heat storage chamber can also be used.
- the heating furnace when the fuel supplied through the fuel supply pipe and the combustion air supplied through the combustion air supply pipe are mixed by the combustion burner to burn the fuel in the furnace. Further, since the fuel supply pipe is cooled by the cooling air guided into the furnace through the cooling medium guide pipe provided on the outer periphery of the fuel supply pipe as described above, the heat during the combustion of the combustion burner and the furnace The fuel supply pipe is prevented from being deformed or damaged by the radiant heat from the inside.
- the heating furnace when the inside of the furnace is cooled, the combustion by the combustion burner is stopped as described above, and the cooling water adjustment valve is opened to cool the cooling water through the cooling water supply pipe. Since the cooling water is guided to the medium guide pipe and the cooling water is injected into the furnace of the heating furnace from the cooling medium guide pipe, it is necessary to separately provide the spray nozzle and the spray nozzle so that they can be inserted into the furnace as in the prior art. Instead, the inside of the furnace is efficiently cooled by the cooling water sprayed from the cooling medium guide tube as described above.
- FIG. 2 is a schematic explanatory view showing a state in which fuel is burned in a furnace.
- the heating furnace 10 As shown in FIG. 1, when the workpiece 1 is heated in the furnace 11, the workpiece is processed through the charging door 12 provided on the charging side of the heating furnace 10.
- the objects 1 are sequentially loaded into the furnace 11, and the workpiece 1 is sequentially moved in the furnace 11 by the in-furnace transport mechanism 13 such as a feed roller provided in the furnace 11.
- the heating door 10 is sequentially heated by a plurality of combustion burners 20 provided on the side wall 10a of the heating furnace 10 along the furnace length direction, and then the extraction object 1 is provided on the extraction side of the heating furnace 10. 14 through the furnace 11 in order.
- a known feeding means such as a walking beam can be used in addition to the feeding roller as described above.
- a combustion fuel is supplied through a fuel supply pipe 21 provided with a fuel adjustment valve 21 a.
- a combustion air supply pipe 22 for supplying combustion air so as to cover the outer periphery of the fuel supply pipe 21 is provided, and the combustion air is supplied through the combustion air supply pipe 22.
- the fuel is supplied to the outer peripheral side of the fuel introduced into the furnace 11 through the fuel supply pipe 21.
- a cooling medium guide pipe 23 that guides cooling air for cooling the fuel supply pipe 21 to the furnace 11 is provided on the outer peripheral side of the fuel supply pipe 21.
- the cooling medium guide pipe 23 is connected to a cooling water supply pipe 24 for supplying cooling water via a cooling water adjusting valve 24a.
- the fuel adjustment valve 21a is opened and the fuel supply pipe 21 is passed through as shown in FIG.
- the fuel is introduced into the furnace 11, and the combustion air is introduced from the combustion air supply pipe 22 provided so as to cover the outer periphery of the fuel supply pipe 21 to the furnace 11 through the fuel supply pipe 21.
- the fuel is burned in the furnace 11, and the cooling air is guided to the furnace 11 through the cooling medium guide pipe 23 provided on the outer periphery of the fuel supply pipe 21.
- the fuel supply pipe 21 is cooled by the cooling air, and the fuel supply pipe 21 is deformed or damaged by the heat at the time of combustion of the combustion burner 20 and the radiant heat from the inside of the furnace 11. So as to suppress the the.
- the valves 21a and 24a are opened and closed. The open state is shown in white and the closed state is shown in black.
- the fuel adjustment valve 21a is closed as shown in FIG.
- the fuel is not supplied from the fuel supply pipe 21 into the furnace 11 to stop the combustion by the combustion burner 20, and the cooling water adjustment valve 24a is opened to cool the cooling water through the cooling water supply pipe 24.
- the coolant is guided to the medium guide tube 23, and cooling water is injected from the cooling medium guide tube 23 into the furnace 11 of the heating furnace 10, and the furnace 11 is cooled by the thus injected cooling water. Try to reduce the temperature.
- the furnace 11 can be efficiently cooled with simple equipment.
- the cooling air is supplied from the cooling medium guide tube 23 together with the cooling water. It can be made to inject in the furnace 11, and it can be made to make a cooling water mist form and inject. Further, the combustion air can be supplied to the furnace 11 as the cooling air through the combustion air supply pipe 22.
- the combustion burner 20 to be used is not limited to this.
- the combustion air is heated by the heat storage body 22b accommodated in the heat storage chamber 22a and is supplied to the furnace 11 through the combustion air supply pipe 22. It is also possible to use the regenerative combustion burner 20 as described above.
- the fuel adjustment valve 21a is set as shown in FIG.
- the fuel is opened and the fuel is introduced into the furnace 11 through the fuel supply pipe 21, and the combustion air heated by the heat storage body 22 b from the combustion air supply pipe 22 is introduced into the furnace 11 through the fuel supply pipe 21.
- the fuel is injected toward the fuel to be burned, and the fuel is combusted in the furnace 11 with the heated combustion air, and the cooling air is provided on the outer periphery of the fuel supply pipe 21.
- the fuel supply pipe 21 is cooled by the cooling air, and the heat at the time of combustion of the combustion burner 20 and the radiant heat from the furnace 11 are introduced.
- the fuel supply pipe 21 so as to suppress the deformation of or damage.
- the fuel adjustment valve 21a is closed and the fuel supply pipe 21 is connected as shown in FIG.
- the fuel is not supplied into the furnace 11 to stop the combustion by the combustion burner 20, and the cooling water adjustment valve 24 a is opened, and the cooling water is guided to the cooling medium guide pipe 23 through the cooling water supply pipe 24.
- the cooling water is injected from the cooling medium guide tube 23 into the furnace 11 of the heating furnace 10, and the furnace 11 is cooled by the thus injected cooling water so as to lower the temperature of the furnace 11. To do.
- the heating furnace 10 which concerns on the said embodiment, while moving the to-be-processed object 1 inserted in the furnace 11 in order in the furnace 11, it is to the side wall 10a of this heating furnace 10 in the furnace length direction.
- the continuous heating furnace 10 in which the heat treatment is sequentially performed by the plurality of combustion burners 20 provided along the line is shown, the type of the heating furnace 10 is not limited to this, and the workpiece 1 May be a batch-type heating furnace (not shown) that does not move in the furnace 11.
- the combustion air supply pipe 22 has been described only for the case of injecting combustion air for the sake of convenience, but actually, the heat storage housed in the heat storage chamber 22a.
- a pipe (not shown) for sucking exhaust gas to heat the body 22b is also provided.
- Processing object 10 Heating furnace 10a: Side wall 11: Furnace 12: Loading door 13: Furnace transport mechanism 14: Extraction door 20: Combustion burner 21: Fuel supply pipe 21a: Fuel adjustment valve 22: Combustion air Supply pipe 22a: Heat storage chamber 22b: Heat storage body 23: Cooling medium guide pipe 24: Cooling water supply pipe 24a: Cooling water adjustment valve
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Furnace Details (AREA)
- Air Supply (AREA)
- Tunnel Furnaces (AREA)
- Gas Burners (AREA)
- Pre-Mixing And Non-Premixing Gas Burner (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Abstract
Description
10 :加熱炉
10a :側壁
11 :炉内
12 :装入扉
13 :炉内搬送機構
14 :抽出扉
20 :燃焼バーナー
21 :燃料供給管
21a :燃料調整バルブ
22 :燃焼用空気供給管
22a :蓄熱室
22b :蓄熱体
23 :冷却用媒体案内管
24 :冷却水供給管
24a :冷却水調整バルブ
Claims (5)
- 燃焼バーナーにより、燃料供給管を通して供給された燃料と燃焼用空気供給管を通して供給された燃焼用空気とを混合させて、炉内において燃料を燃焼させる加熱炉において、前記の燃料供給管の外周側に、燃料供給管を冷却させる冷却用空気を炉内に案内する冷却用媒体案内管を設けると共に、この冷却用媒体案内管に冷却水調整バルブを介して冷却水を供給する冷却水供給管を接続させたことを特徴とする加熱炉。
- 請求項1に記載の加熱炉において、燃焼バーナーにより、燃料供給管を通して供給された燃料と燃焼用空気供給管を通して供給された燃焼用空気とを混合させて、炉内において燃料を燃焼させる際に、燃料供給管の外周に設けられた前記の冷却用媒体案内管を通して炉内に案内される冷却用空気によって燃料供給管を冷却させる一方、炉内を冷却させる場合には、前記の燃焼バーナーによる燃焼を停止させると共に、前記の冷却水調整バルブを開けて、冷却水供給管を通して冷却水を冷却用媒体案内管に導き、この冷却用媒体案内管から冷却水を炉内に噴射させることを特徴とする加熱炉。
- 請求項2に記載の加熱炉において、前記の冷却用媒体案内管から冷却水を炉内に噴射させるときに、冷却水と一緒に前記の冷却用空気を冷却用媒体案内管から炉内に噴射させ、冷却水を霧状にして炉内に噴射させることを特徴とする加熱炉。
- 請求項1~請求項3の何れか1項に記載の加熱炉において、前記の燃焼バーナーが炉長方向に沿って複数設けられていることを特徴とする加熱炉。
- 請求項1~請求項4の何れか1項に記載の加熱炉において、前記の燃焼バーナーとして、蓄熱室を通して燃焼用空気を供給する蓄熱式の燃焼バーナーを用いたことを特徴とする加熱炉。
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1020187016357A KR101906126B1 (ko) | 2016-08-25 | 2017-04-24 | 가열로의 냉각 장치 |
EP17843110.2A EP3385620A4 (en) | 2016-08-25 | 2017-04-24 | COOLING DEVICE OF A HEATER |
US16/080,437 US10663229B2 (en) | 2016-08-25 | 2017-04-24 | Cooling apparatus of heating furnace |
CN201780010695.3A CN108603661B (zh) | 2016-08-25 | 2017-04-24 | 加热炉以及加热炉的使用方法 |
RU2018126680A RU2686817C1 (ru) | 2016-08-25 | 2017-04-24 | Охлаждающее устройство нагревательной печи |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2016164438A JP6242453B1 (ja) | 2016-08-25 | 2016-08-25 | 加熱炉の冷却装置 |
JP2016-164438 | 2016-08-25 |
Publications (1)
Publication Number | Publication Date |
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WO2018037620A1 true WO2018037620A1 (ja) | 2018-03-01 |
Family
ID=60570463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2017/016156 WO2018037620A1 (ja) | 2016-08-25 | 2017-04-24 | 加熱炉の冷却装置 |
Country Status (8)
Country | Link |
---|---|
US (1) | US10663229B2 (ja) |
EP (1) | EP3385620A4 (ja) |
JP (1) | JP6242453B1 (ja) |
KR (1) | KR101906126B1 (ja) |
CN (1) | CN108603661B (ja) |
RU (1) | RU2686817C1 (ja) |
TW (1) | TWI634302B (ja) |
WO (1) | WO2018037620A1 (ja) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
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CN109186267A (zh) * | 2018-10-18 | 2019-01-11 | 中冶赛迪技术研究中心有限公司 | 一种气液两相冷却装置 |
JP7136145B2 (ja) * | 2020-02-27 | 2022-09-13 | Jfeスチール株式会社 | 連続式鋼材加熱炉の冷却装置及び冷却方法 |
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- 2017-04-24 RU RU2018126680A patent/RU2686817C1/ru active
- 2017-04-24 WO PCT/JP2017/016156 patent/WO2018037620A1/ja active Application Filing
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- 2017-04-24 KR KR1020187016357A patent/KR101906126B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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TWI634302B (zh) | 2018-09-01 |
EP3385620A4 (en) | 2019-01-09 |
KR101906126B1 (ko) | 2018-10-08 |
CN108603661A (zh) | 2018-09-28 |
JP6242453B1 (ja) | 2017-12-06 |
RU2686817C1 (ru) | 2019-04-30 |
US10663229B2 (en) | 2020-05-26 |
US20190093952A1 (en) | 2019-03-28 |
TW201802424A (zh) | 2018-01-16 |
JP2018031528A (ja) | 2018-03-01 |
CN108603661B (zh) | 2019-08-23 |
KR20180071375A (ko) | 2018-06-27 |
EP3385620A1 (en) | 2018-10-10 |
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