WO2014171690A1 - 연소기기용 듀얼 벤츄리 - Google Patents
연소기기용 듀얼 벤츄리 Download PDFInfo
- Publication number
- WO2014171690A1 WO2014171690A1 PCT/KR2014/003222 KR2014003222W WO2014171690A1 WO 2014171690 A1 WO2014171690 A1 WO 2014171690A1 KR 2014003222 W KR2014003222 W KR 2014003222W WO 2014171690 A1 WO2014171690 A1 WO 2014171690A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- gas
- supply unit
- air supply
- opening
- air
- 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
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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
- F23D14/46—Details
- F23D14/60—Devices for simultaneous control of gas and combustion air
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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
- F23D14/02—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone
- F23D14/04—Premix gas burners, i.e. in which gaseous fuel is mixed with combustion air upstream of the combustion zone induction type, e.g. Bunsen burner
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N1/00—Regulating fuel supply
- F23N1/02—Regulating fuel supply conjointly with air supply
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23N—REGULATING OR CONTROLLING COMBUSTION
- F23N5/00—Systems for controlling combustion
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
-
- 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
- F24H9/00—Details
- F24H9/20—Arrangement or mounting of control or safety devices
- F24H9/2007—Arrangement or mounting of control or safety devices for water heaters
- F24H9/2035—Arrangement or mounting of control or safety devices for water heaters using fluid fuel
Definitions
- the present invention includes the primary air and gas inlet and the secondary air and gas inlet so as to increase the turndown ratio, the amount of gas and air supplied to the burner side of the water heater by opening only the primary side or opening both the primary and secondary sides.
- the present invention relates to a dual venturi for a combustion device that can control the temperature, and in particular, the damper rotates at the same time as the damper is rotated by the driving of the motor by combining the motor and the damper, thereby efficiently controlling the amount of heat.
- the present invention relates to a dual venturi for combustion apparatus.
- combustors such as boilers and water heaters used for heating and hot water use are classified into oil boilers, gas boilers, electric boilers, and water heaters according to the fuel supplied, and variously developed and used according to installation purposes. .
- gas boilers and water heaters generally use Bunsen Burner or Premixed Burner to burn gas fuel, and the combustion method of the double premixed Burner
- the silver gas and air are mixed at the optimum mixing ratio of the combustion and then the mixer (air + gas) is supplied to the salt air to be combusted.
- TDR Turn-Down Ratio
- TDR is a ratio of the maximum gas consumption to the minimum gas consumption in a gas combustion device in which the amount of gas is variably controlled.
- the turndown ratio (TDR) is 3: 1.
- the turndown ratio (TDR) is limited by how stable the flame can be at minimum gas consumption conditions.
- TDR turndown ratio
- the valve that supplies gas from the proportional control burner includes an electric modulating gas valve controlled by a large current value and a pneumatic modulating gas controlled by a differential pressure generated during air supply. valve).
- the air proportional control valve uses a blower to control the amount of gas supplied to the burner by the differential pressure generated according to the air supply required for combustion in the burner, wherein the air and gas required for combustion are gas-air mixers (Gas-air mixer) ) Is fed to the burner in the form of a mixer (air + gas).
- gas-air mixers Gas-air mixer
- TDR turndown ratio
- the ratio of the differential pressure must be 9: 1
- in order to make the turndown ratio (TDR) 10: 1 the ratio of the differential pressure must be 100: 1.
- the problem is that it is impossible to infinitely increase the supply pressure of the gas.
- the air and gas supply paths are divided into two or more regions, and the opening and closing of the gas passages injected to each burner.
- a method for increasing the gas burner's turndown ratio (TDR) has been proposed.
- Korean Patent Application No. 2012-15100 is an invention previously filed by the present applicant.
- a first gas inlet 14a and a second gas inlet 15a are formed at an upper side thereof, and an inner side of a partition wall ( 13a) is provided inside the housing 10a and the housing 10a, the first passage (11a) and the second passage (12a) is formed, the upper portion is connected to the second gas inlet (15a)
- Disclosed is a technology related to a dual venturi for a combustion device, which is configured to control the opening and closing means 100a.
- the present invention has been invented to solve the above-mentioned problems, the object of which is to simplify the complex structure to further miniaturize the device, high reliability of operation, easy to manufacture, can reduce the manufacturing cost dual venturi
- the purpose is to provide.
- the housing is formed with a predetermined space so that one side is coupled to the turbo fan and the gas and air flow therein, the first partition wall 130 in the interior of the housing An air supply part partitioned by a first air supply part and a second air supply part, and formed on one side of the housing and partitioned by a second partition wall, the first opening being formed to communicate with the first air supply part
- the first gas supply part and the second gas supply part is formed into a second gas supply part is formed so as to communicate with the second air supply part, and when the combustion device needs a low heat amount, the second air supply part and the second opening by blocking the secondary It includes an opening and closing means for blocking the flow of air and secondary gas while opening the second air supply and the second opening when a high heat quantity is required.
- the movable body further includes an inner housing which guides the movement of the movable body to an outer side thereof and in which a gas discharge hole is formed on a discharge side.
- the movable body further includes a spring having one end in contact with an outer surface of the movable body and the other end in contact with an inner surface of the inner housing to elastically support the movable body.
- valve body is characterized in that it is formed of a rubber or silicone material in order to increase the adhesion to the moving body.
- the motor is characterized in that it is composed of a synchronous motor.
- the motor further includes a limit switch to rotate the damper by 90 degrees.
- the dual venturi for a combustion device of the present invention first, it is possible to control the high heat amount and low heat amount required in the combustion device has the effect of reducing the fuel cost.
- the interior of the housing is divided into partitions to form a first passage and a second passage, and only the primary air and the primary gas flow in the first passage, and only the secondary air and the secondary gas flow in the second passage.
- Turn-down ratio can be easily adjusted by controlling the flow of air and gas on the side of the passage.
- the secondary gas outlet is opened and closed, and the second passage is also opened and closed, so the structure is very simplified, thereby simplifying the parts of the dual venturi, shortening the design time, shortening the manufacturing period, and product according to the product. In the event of a breakdown, repairs are easier.
- FIG. 2 is a perspective view showing a state of the dual venturi for a combustion device of the present invention.
- FIG. 3 is a cross-sectional view taken along the line A-A of FIG.
- FIG. 4 is an exploded perspective view of the opening and closing means provided in FIG. 3.
- FIG. 5 to 8 are views showing the operating state of the dual venturi for a combustion device of the present invention
- Figures 5 and 6 are views when the secondary air and gas is closed
- Figures 7 and 8 are secondary air
- FIG. 2 is a perspective view showing a state of the dual venturi for a combustion device of the present invention
- Figure 3 is a cross-sectional view taken along the line A-A of Figure 2
- Figure 4 is an exploded perspective view of the opening and closing means provided in FIG.
- the dual venturi for a combustion device of the present invention includes a housing 500 in which a discharge part 300 is formed at a lower portion of the mixed gas in which air and gas to be supplied to a burner are introduced into a turbofan. Is provided.
- an air supply unit 100 and a gas supply unit 200 are formed inside the housing 500, and the air supply unit 100 is partitioned by the first partition wall 130 and the first air supply unit 110. ) And the second air supply unit 120 is formed separately.
- the gas supply unit 200 is formed on one side of the housing 500, and is partitioned by the second partition wall 230, and the first opening 211 is communicated with the first air supply unit 110.
- the first gas supply unit 210 is formed, and the second gas supply unit 220 having a second opening 221 is formed to communicate with the second air supply unit 120 is formed separately.
- the middle of the housing 500 is provided with an opening and closing means 400 for opening and closing the second air supply unit 120 and the second gas supply unit 220 at the same time.
- the motor 410 provided on the outside of the housing 500, two or more concave guides 421 and convex guide 422 is formed on the inner wall, the motor A movable body 440 composed of a damper 420 coupled to the 410, and a concave guide 441 and a convex guide 442 so as to correspond to the concave guide 421 and the convex guide 422, respectively.
- the valve body 430 is coupled to a central portion of the movable body 440 to open and close the second opening 221 by the movement of the movable body 440.
- the movable body 440 one end is in contact with the outer surface of the movable body 440, the other end is provided to contact the inner surface of the inner housing 450, the spring (elasticly supporting the movable body 440 ( 460 may be further provided.
- the movable body 440 is provided with an inner housing 450 which guides the movement of the movable body 440 to an outer side thereof, and the gas discharge hole 451 is formed at the discharge part 300 side.
- the inner housing 450 is located at the outer side of the spring 460 to allow the spring 460 to smoothly contract and expand by deviating from the path.
- the motor 410 is preferably composed of a synchronous motor, which is to reduce the manufacturing cost because it uses a cheap synchronous motor generally used.
- the motor 410, the limit switch 411 is coupled so that the damper 420 rotates by 90 degrees to control the rotation of the damper 420.
- valve body 430 is preferably formed of a rubber or silicone material in order to increase the adhesion to the second opening 221.
- FIG. 5 to 8 are views showing the operating state of the dual venturi for a combustion device of the present invention
- Figures 5 and 6 are views when the secondary air and gas is closed
- Figures 7 and 8 are secondary air
- the initial operation of the water heater is a state in which the convex guide 422 of the damper 420 and the tip of the convex guide 442 of the movable body 440 are in contact with each other, as shown in FIGS. 5 and 6.
- the valve body 430 of the opening and closing means 400 blocks the second opening 221 to block the flow of secondary gas
- the blades formed on both sides of the damper 420 are seconded. Only the primary air and the gas introduced through the first air supply unit 110 and the first gas supply unit 210 are mixed to the turbofan in a state in which the secondary air flow is blocked by blocking the air supply unit 120. Inflow (feed upwards in the example shown).
- the mixed gas introduced into the turbofan through the first air supply unit 110 and the first gas supply unit 210 is used when a low heat amount is required.
- the second air supply unit 120 and the second gas supply unit 220 should be opened. At this time, the opening / closing means 400 is operated to allow the secondary air to flow through the second air supply unit 120. The secondary gas is introduced through the second gas supply unit 220.
- the motor 410 when the power is applied to the motor 410, the motor 410 is driven to rotate the damper 420 90 degrees, At this time, the convex guide 422 is inserted into the concave guide 441 of the movable body 440 by the rotation of the damper 420, and are engaged with each other so that the movable body 440 is lowered. At this time, the valve body 430 opens the second opening 221 which is blocked, and the secondary gas introduced into the second gas supply part 220 opens the gas discharge hole 451 of the inner housing 450. It is mixed with the air introduced into the second air supply unit 120 through the turbo fan.
- the spring 460 opens the second opening 221 by downward movement of the movable body 440 by the pressing force generated while the damper 420 rotates and the spring 460 expands. Therefore, as the valve body 430 is downwardly moved, the movable body 440 coupled to the center of the valve body 430 is also downward, so that the secondary gas is introduced into the second gas supply unit 220 and mixed with the secondary air. It becomes possible.
- the calorific value of the calorific value or the high calorie value can be selectively output as needed, and the user can control the calorie value of the low calorie value or the high calorie value according to the calorie requirement, thereby reducing the fuel cost.
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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)
- Regulation And Control Of Combustion (AREA)
- Gas Burners (AREA)
- Feeding And Controlling Fuel (AREA)
- Air Supply (AREA)
Abstract
Description
Claims (7)
- 일측이 터보팬과 결합되는 배출부(300)가 형성되며, 내측에 가스 및 공기가 흐를 수 있도록 소정공간이 형성되는 하우징(500);상기 하우징(500)의 내측에 제1 격벽(130)에 의해 구획되어 제1 공기공급부(110) 및 제2 공기공급부(120)로 분리형성되는 공기공급부(100);상기 하우징(500)의 일측면에 형성되며, 제2 격벽(230)에 의해 구획되되, 상기 제1 공기공급부(110)와 연통되도록 제1 개구부(211)가 형성되는 제1 가스공급부(210)와, 상기 제2 공기공급부(120)와 연통되도록 제2 개구부(221)가 형성되는 제2 가스공급부(220)로 분리형성되는 가스공급부(200);연소기기가 저열량이 필요할 경우 상기 제2 공기공급부(120) 및 제2 개구부(221)를 차단하여 2차 공기와 2차 가스의 흐름을 차단하는 한편, 고열량이 필요할 경우 상기 제2 공기공급부(120) 및 제2 개구부(221)를 개방하는 개폐수단(400)을 포함하는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제1 항에 있어서,상기 개폐수단(400)은,상기 하우징(500)의 외측에 구비되는 모터(410);내측벽에 둘 이상의 오목가이드(421) 및 볼록가이드(422)가 형성되고, 상기 모터(410)와 결합되는 댐퍼(420);상기 오목가이드(421) 및 볼록가이드(422)와 각각 대응되어 치결합되도록 오목가이드(441) 및 볼록가이드(442)로 구성되는 이동체(440) 및상기 이동체(440)의 중심부에 결합되어 상기 이동체(440)의 이동에 의해 상기 제2 개구부(221)를 개폐하는 밸브체(430)를 포함하는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제2 항에 있어서,상기 이동체(440)는,그 외측부에 상기 이동체(440)의 이동을 가이드하며, 배출부(300)측으로 가스 배출공(451)이 형성되는 내측하우징(450)을 더 포함하는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제3 항에 있어서,상기 이동체(440)는,일단부가 상기 이동체(440)의 외측면에 접하고, 타단부는 내측하우징(450)의 내측면에 접하도록 구비되어 상기 이동체(440)를 탄성으로 지지하는 스프링(460)을 더 포함하는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제2 항에 있어서,상기 밸브체(430)는,상기 이동체(440)와의 밀착력을 높이기 위하여 고무 또는 실리콘 재질로 형성되는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제2 항에 있어서,상기 모터(410)는,동기모터로 구성되는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
- 제1 항 또는 제6 항에 있어서,상기 모터(410)는,상기 댐퍼(420)가 90도씩 회전하도록 리미트 스위치(411)를 더 포함하는 것을 특징으로 하는 연소기기용 듀얼 벤츄리.
Priority Applications (6)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP14784602.6A EP2988066B1 (en) | 2013-04-16 | 2014-04-15 | Dual venturi for combustion device |
| CA2903186A CA2903186C (en) | 2013-04-16 | 2014-04-15 | Dual venturi for combustion device |
| US14/774,423 US10047952B2 (en) | 2013-04-16 | 2014-04-15 | Dual venturi for combustion device |
| AU2014254639A AU2014254639B2 (en) | 2013-04-16 | 2014-04-15 | Dual venturi for combustion device |
| CN201480009051.9A CN104981657B (zh) | 2013-04-16 | 2014-04-15 | 燃烧设备用双喉管 |
| JP2015561287A JP6129997B2 (ja) | 2013-04-16 | 2014-04-15 | 燃焼機器用デュアルベンチュリ |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR20130041874A KR101448992B1 (ko) | 2013-04-16 | 2013-04-16 | 연소기기용 듀얼 벤츄리 |
| KR10-2013-0041874 | 2013-04-16 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2014171690A1 true WO2014171690A1 (ko) | 2014-10-23 |
Family
ID=51731572
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/KR2014/003222 Ceased WO2014171690A1 (ko) | 2013-04-16 | 2014-04-15 | 연소기기용 듀얼 벤츄리 |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US10047952B2 (ko) |
| EP (1) | EP2988066B1 (ko) |
| JP (1) | JP6129997B2 (ko) |
| KR (1) | KR101448992B1 (ko) |
| CN (1) | CN104981657B (ko) |
| AU (1) | AU2014254639B2 (ko) |
| CA (1) | CA2903186C (ko) |
| WO (1) | WO2014171690A1 (ko) |
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| CN104748118A (zh) * | 2015-01-30 | 2015-07-01 | 中国东方电气集团有限公司 | 一种可调旋流的燃气烧嘴 |
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| JP6530278B2 (ja) * | 2015-08-25 | 2019-06-12 | リンナイ株式会社 | 予混合装置 |
| KR101733061B1 (ko) * | 2016-02-02 | 2017-05-08 | 대성쎌틱에너시스 주식회사 | Tdr 댐퍼 |
| CN105674320B (zh) * | 2016-03-25 | 2018-04-06 | 熊菊莲 | 一种安全可靠的燃烧控制器 |
| CN106287707B (zh) * | 2016-09-22 | 2018-08-21 | 任增余 | 一种气体等比例流量调节装置及燃气灶 |
| USD832417S1 (en) * | 2017-10-17 | 2018-10-30 | Costa L. Papson | Fireplace andiron |
| KR102428535B1 (ko) * | 2017-12-29 | 2022-08-03 | 주식회사 경동나비엔 | 연관식 보일러 |
| JP7197107B2 (ja) | 2018-05-09 | 2022-12-27 | 株式会社パロマ | 予混合装置及び燃焼装置 |
| JP7079968B2 (ja) | 2018-05-09 | 2022-06-03 | 株式会社パロマ | 予混合装置及び燃焼装置 |
| US11428407B2 (en) | 2018-09-26 | 2022-08-30 | Cowles Operating Company | Combustion air proving apparatus with burner cut-off capability and method of performing the same |
| CN112128758B (zh) * | 2019-06-25 | 2025-07-29 | 芜湖美的厨卫电器制造有限公司 | 文丘里管、预混装置和燃气设备 |
| KR102264585B1 (ko) | 2019-11-29 | 2021-06-14 | 린나이코리아 주식회사 | 보일러의 연소범위 개선을 위한 연소제어방법 |
| CN111828977B (zh) | 2020-07-16 | 2025-02-14 | 广东万和新电气股份有限公司 | 一种防倒流预混器及燃气热水器 |
| KR20240083673A (ko) * | 2022-12-05 | 2024-06-12 | 주식회사 경동나비엔 | 듀얼 벤추리 |
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- 2014-04-15 US US14/774,423 patent/US10047952B2/en active Active
- 2014-04-15 EP EP14784602.6A patent/EP2988066B1/en active Active
- 2014-04-15 CN CN201480009051.9A patent/CN104981657B/zh active Active
- 2014-04-15 JP JP2015561287A patent/JP6129997B2/ja not_active Expired - Fee Related
- 2014-04-15 AU AU2014254639A patent/AU2014254639B2/en active Active
- 2014-04-15 CA CA2903186A patent/CA2903186C/en active Active
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| CN104748118A (zh) * | 2015-01-30 | 2015-07-01 | 中国东方电气集团有限公司 | 一种可调旋流的燃气烧嘴 |
| CN104748118B (zh) * | 2015-01-30 | 2017-02-22 | 中国东方电气集团有限公司 | 一种可调旋流的燃气烧嘴 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2016513783A (ja) | 2016-05-16 |
| EP2988066A4 (en) | 2016-12-21 |
| US20160061445A1 (en) | 2016-03-03 |
| AU2014254639A1 (en) | 2015-09-24 |
| AU2014254639B2 (en) | 2016-06-30 |
| CA2903186C (en) | 2017-05-30 |
| CA2903186A1 (en) | 2014-10-23 |
| EP2988066A1 (en) | 2016-02-24 |
| CN104981657B (zh) | 2016-12-07 |
| US10047952B2 (en) | 2018-08-14 |
| CN104981657A (zh) | 2015-10-14 |
| EP2988066B1 (en) | 2018-07-11 |
| KR101448992B1 (ko) | 2014-10-13 |
| JP6129997B2 (ja) | 2017-05-17 |
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