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WO2016159709A1 - Chaudière au mazout comportant un guide de trajectoire de gaz de combustion - Google Patents

Chaudière au mazout comportant un guide de trajectoire de gaz de combustion Download PDF

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Publication number
WO2016159709A1
WO2016159709A1 PCT/KR2016/003393 KR2016003393W WO2016159709A1 WO 2016159709 A1 WO2016159709 A1 WO 2016159709A1 KR 2016003393 W KR2016003393 W KR 2016003393W WO 2016159709 A1 WO2016159709 A1 WO 2016159709A1
Authority
WO
WIPO (PCT)
Prior art keywords
combustion gas
burner
combustion
guide plate
guide
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/KR2016/003393
Other languages
English (en)
Korean (ko)
Inventor
최창규
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.)
Kyungdong Navien Co Ltd
Original Assignee
Kyungdong Navien Co Ltd
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 Kyungdong Navien Co Ltd filed Critical Kyungdong Navien Co Ltd
Priority to EP16773490.4A priority Critical patent/EP3287696B1/fr
Publication of WO2016159709A1 publication Critical patent/WO2016159709A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23M—CASINGS, LININGS, WALLS OR DOORS SPECIALLY ADAPTED FOR COMBUSTION CHAMBERS, e.g. FIREBRIDGES; DEVICES FOR DEFLECTING AIR, FLAMES OR COMBUSTION PRODUCTS IN COMBUSTION CHAMBERS; SAFETY ARRANGEMENTS SPECIALLY ADAPTED FOR COMBUSTION APPARATUS; DETAILS OF COMBUSTION CHAMBERS, NOT OTHERWISE PROVIDED FOR
    • F23M9/00—Baffles or deflectors for air or combustion products; Flame shields
    • F23M9/06—Baffles or deflectors for air or combustion products; Flame shields in fire-boxes
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/22—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating
    • F24H1/24—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers
    • F24H1/26—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body
    • F24H1/28—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes
    • F24H1/287—Water heaters other than continuous-flow or water-storage heaters, e.g. water heaters for central heating with water mantle surrounding the combustion chamber or chambers the water mantle forming an integral body including one or more furnace or fire tubes with the fire tubes arranged in line with the combustion chamber
    • 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
    • F24H1/00—Water heaters, e.g. boilers, continuous-flow heaters or water-storage heaters
    • F24H1/48—Water heaters for central heating incorporating heaters for domestic water
    • F24H1/52—Water heaters for central heating incorporating heaters for domestic water incorporating heat exchangers for domestic water
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0015—Guiding means in water channels
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • 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
    • F24H9/0005—Details for water heaters
    • F24H9/001—Guiding means
    • F24H9/0026—Guiding means in combustion gas channels
    • F24H9/0031—Guiding means in combustion gas channels with means for changing or adapting the path of the flue gas

Definitions

  • the present invention relates to an oil boiler equipped with a combustion gas flow path guide, and more particularly, to prevent the combustion gas generated in the burner from being concentrated on the associated support plate to which the associative bonds are combined.
  • a guide is provided with an oil boiler.
  • BACKGROUND ART Boilers which are widely used for heating and hot water supply facilities in general households, are classified according to various criteria such as fuel used to heat heating water, heat sources and burner positions. That is, depending on the fuel used, it is divided into an oil boiler and a gas boiler.
  • the oil boiler uses light oil or kerosene as fuel
  • the gas boiler uses LPG or LPG as fuel.
  • it is divided into the general type boiler which heat-exchanges only by the heat source (sensible heat) which arises from fuel combustion, and the condensing boiler which heat-exchanges by the latent heat of condensation which generate
  • the burner is divided into an upward combustion boiler located at the bottom of the boiler and a downward combustion boiler located at the top of the boiler.
  • FIG. 1 shows a conventional down combustion general type oil boiler.
  • the burner 15 is provided at the upper portion of the boiler, and the combustion chamber 10 is formed at the lower portion of the burner 15. Combustion is performed inside the combustion chamber 10 by the flame generated by the burner 15.
  • the lower part of the combustion chamber 10 is provided with a plurality of pipes 12 through which combustion gas passes and forms a heat exchanger.
  • the upper end of the associative 12 is fixedly installed on the first associated support plate 13, and the lower end of the associative 12 is fixedly installed to the second associated support plate 14.
  • a boiler body 11 On the outside of the combustion chamber 10 and the tube 12 is provided a boiler body 11 which forms the outer body of the boiler.
  • the hot water supply coil 20 is provided in the shape of winding the circumference of the combustion chamber 10. Water to be supplied to the user is supplied to the inside of the hot water supply coil 20, and the water is heated by heat exchange with the heating water filled in the water tank 30 and supplied to the user as hot water.
  • the water filled in the water tank 30 is heated by heat exchange with the plume 12 and supplied to a heating source.
  • the flame generated by the burner 15 is formed in a downward direction, due to boiling in the area A below the first associated support plate 14 due to the high temperature flame. Bubbles are generated. Such bubbles have a problem that noise is generated by the sound of bubble bursting when heat is inhibited and thermal efficiency is lowered, and bubbles are overheated.
  • Korean Patent No. 10-1504394 is disclosed as a prior art for solving this problem.
  • the upper plate and the lower plate have a multi-stage shape such that the height increases toward the outermost distance from the flame, but the upper plate and the lower plate have a complicated shape. Difficult to manufacture, even if possible manufacturing, there was a problem that takes a lot of manufacturing costs.
  • the present invention has been made to solve the above-mentioned problems, to provide an oil boiler equipped with a combustion gas flow guide that can prevent the boiling caused by the flame of the burner to improve the thermal efficiency and reduce the noise generation
  • the purpose is to.
  • Oil boiler of the present invention for solving the above problems, the combustion chamber wall 112 surrounding the combustion chamber 102 is burned by the burner 103; A plurality of pipes (122) installed so as to face the burner (103) with the combustion chamber (102) interposed therebetween so that combustion gas by combustion of the burner (103) passes through the interior thereof; A first associated support plate 113 on which one end close to the burner 103 is fixed in the association 122; A boiler body (110) filling a space between the combustion chamber wall (112) and a space between the tube (122) and heating water to form a water tank (101); It is provided between the burner 103 and the first associated support plate 113, and prevents the combustion gas due to the combustion of the burner 103 flows through the central portion of the burner 103 and the edge of the combustion chamber wall 112 Combustion gas flow guide (200,200-1,200-2,200-3) to flow through the space formed between the inner surface and made.
  • the combustion gas flow guide 200 may include a guide plate 211 spaced apart from the first associated support plate 113.
  • It may further include a guide side wall 212 extending toward the burner 103 at the edge of the guide plate 211.
  • the heat insulating material 220 may be provided on the guide plate 211 to block the heat of the combustion gas generated by the burner 103 from being transferred to the guide plate 211.
  • the combustion gas flow guide 200-1 includes a guide plate 211-1 spaced apart from the first associated support plate 113; It is provided on the guide plate 211 may be made of a heat insulating material 220-1 to block the heat of the combustion gas generated in the burner 103 is transmitted to the guide plate 211-1.
  • the combustion gas flow guide 200-2 may include: a first guide plate 211-2 spaced apart from the first associated support plate 113; A second guide plate 212-2 provided to form a separation space 213-2 between the guide plate 211-2; A guide side wall 214-extending from the edges of the first guide plate 211-2 and the second guide plate 212-2 toward the burner 103 and sealing the interior of the separation space 213-2; 2).
  • the combustion gas flow guide 200-3 may include: a first guide plate 211-3 spaced apart from the first associated support plate 113; A second guide plate 212-3 provided to form a space 213-3 between the guide plate 211-2; The edges of the first guide plate 211-2 and the second guide plate 212-3 may be connected to each other, and may be formed of a guide side wall 214-3 sealing the interior of the separation space 213-3. .
  • the part contacting the combustion gas may be made of ferritic stainless steel for high temperature oxidation.
  • the edge end of the guide plate 211 may be formed to protrude outward more than the outer surface of the guide side wall 214.
  • the oil boiler according to the present invention includes a combustion chamber wall (112) surrounding the combustion chamber (102) where combustion by the burner (103) occurs; A plurality of pipes (122) installed so as to face the burner (103) with the combustion chamber (102) interposed therebetween so that combustion gas by combustion of the burner (103) passes through the interior thereof; A first associated support plate 113 on which one end close to the burner 103 is fixed in the association 122; Covering an upper portion of the first associated support plate 113 to prevent the combustion gas from directly contacting the first associated support plate 113, while the combustion gas flows through the association 122.
  • the combustion gas flow guide 200-4 having a through hole 215-4 formed at a position corresponding to 122.
  • the combustion gas flow guide 200-4 may be made of a heat insulating material having a predetermined thickness.
  • the oil boiler of the present invention by providing a combustion gas flow guide for guiding the combustion gas to the edge, it is possible to prevent the combustion gas from directly contacting the associated support plate to suppress the generation of bubbles, improve the thermal efficiency, and reduce noise Can be reduced.
  • 1 is a cross-sectional view showing a conventional downward combustion general type oil boiler
  • FIG. 2 is a cross-sectional view showing an oil boiler according to the first embodiment of the present invention.
  • FIG. 3 shows a combustion gas flow guide according to the first embodiment
  • FIG. 4 is a cross-sectional view showing an oil boiler according to a second embodiment of the present invention.
  • FIG. 5 is a cross-sectional view showing an oil boiler according to a third embodiment of the present invention.
  • FIG. 6 is a sectional view showing an oil boiler according to a fourth embodiment of the present invention.
  • FIG. 7 is a cross-sectional view showing an oil boiler according to a fifth embodiment of the present invention.
  • FIG. 8 is a view showing the heat insulating material of FIG.
  • boiler body 112 combustion chamber wall
  • first associated support plate 114 second associated support plate
  • baffle plate 124 heating water barrier
  • FIG. 2 is a cross-sectional view showing an oil boiler according to a first embodiment of the present invention
  • Figure 3 is a view showing a combustion gas flow guide according to the first embodiment.
  • the oil boiler 1 of the present invention includes a burner 103 for generating a flame, a combustion chamber wall 112 surrounding the combustion chamber 102 where combustion by the burner 103 occurs, and combustion of the burner 103.
  • the combustion gas flow guide 200 is provided between the 103 and the first associated support plate 113 to block the combustion gas from flowing through the central portion and to guide the combustion gas to the edge portion.
  • a burner 103 is provided at an upper portion of the combustion chamber 102, and flames are formed in a downward direction of the flame generated by the burner 103.
  • the outside of the combustion chamber wall 112, the boiler body 110 is surrounded by spaced apart space.
  • Hot water coil 121 is provided in the space between the combustion chamber wall 112 and the boiler body 110 to surround the combustion chamber wall 112 outside. Inside the hot water supply coil 121, direct water supplied by the user's hot water request flows. Direct water flowing inside the hot water supply coil 121 is heat-exchanged with the heating water filled in the water tank 101, which is an external space of the hot water supply coil 121, and is supplied to the user as hot water.
  • the space between the tube 122 and the boiler body 110 is provided with a heating water barrier 124.
  • the heating water diaphragm 124 prevents the heating water from flowing rapidly in the water tank 101 to allow sufficient heat exchange with the combustion gas flowing in the pipe 122.
  • the tube 122 is a cylindrical shape having a predetermined length in the vertical direction, the top and the bottom is open, the combustion gas flows through the open portion of the upper flows into the inner space and then open the lower portion of the open portion. Combustion gas is discharged through.
  • the baffle plate 123 is provided inside the plumb 122 to increase the time that the combustion gas stays in the space inside the plumb 122.
  • the baffle plate 123 is arranged so that a plurality of pieces are staggered along the longitudinal direction of the tube 122 to improve the heat exchange efficiency by delaying the passage time of the combustion gas.
  • the first associated support plate 113 is coupled to the upper end of the association 122.
  • An edge of the first associated support plate 113 is coupled to a lower end of the combustion chamber wall 112, and a first connection insertion hole (not shown) is inserted into a body portion of the first associated support plate 113 so that an upper end of the association 12 is inserted. 113a) is formed.
  • the second associated support plate 114 is coupled to the lower end of the association 122.
  • An edge of the second associated support plate 114 is coupled to the lower end of the boiler body 110, and a second associated insertion hole is inserted into the body portion of the second associated support plate 114 so that the lower end of the association 122 is inserted. 114a) is formed.
  • the upper end and the lower end of the tube 122 are inserted into the first tube insertion hole 113a and the second tube insertion hole 114a, and the contact portions are respectively joined by welding.
  • the combustion gas flow guide 200 is composed of a flow guide 210 and the heat insulating material 220, it is installed to face the burner 103 with the combustion chamber 102 in between.
  • the flow guide 210 may include a guide plate 211 spaced upward from the first associated support plate 113 and a guide side wall extending upward from the edge of the guide plate 211 toward the burner 103. 214).
  • the heat insulating material 220 is to block the heat of the combustion gas from being transferred to the upper portion of the first associated support plate 114, and may be configured to vary the degree of heat blocking according to its thickness or material.
  • the heat insulator 220 may be composed of a fire insulation material having both fire resistance and heat insulation to withstand high temperature heat.
  • the space between the guide side wall 214 and the combustion chamber wall 112 is formed to form a flow path of the combustion gas.
  • a guide support leg 213 having a predetermined height is formed on a lower surface of the guide plate 211 so that the flow path guide 210 can be supported in a state spaced apart from an upper surface of the first associated support plate 114.
  • the edge end portion of the guide plate 211 protrudes outward more than the outer surface of the guide side wall 214, so that the space between the guide side wall 214 and the combustion chamber wall 112 is further narrowed so that the combustion gas and Heat exchange of the heating water is to be made more smoothly.
  • the heating water inlet 115 and the heating water outlet 116 are provided to allow the heating water to flow into or out of the water tank 101.
  • the inlet end and the outlet end of the hot water supply coil 121 are respectively connected to a water pipe (not shown) and a hot water pipe (not shown) provided through the boiler body 110.
  • the flow of combustion gas is as follows. That is, when combustion occurs in the burner 103, the combustion gas flows downward, and the flowing combustion gas is blocked by the heat insulator 220, and then upward flow is generated along the inner wall of the guide side wall 214. do. Thereafter, the combustion gas flows downward along the space between the guide side wall 214 and the combustion chamber wall 112. In this process, the combustion gas is primarily heat exchanged with the heating water of the water tank 101.
  • the combustion gas subjected to the first heat exchange flows downwardly and then flows into the inside of the pipe 122 and flows along the inner space of the pipe 122 so that heat is secondarily exchanged with the heating water of the external tank 101. .
  • the combustion gas flows downward along the space between the guide side wall 214 and the combustion chamber wall 112, thereby improving thermal efficiency.
  • the temperature drops first, and then comes into contact with the first associated support plate 113, so that boiling does not occur.
  • the heat insulating material 220 blocks the flow of the combustion gas, it is effective to prevent boiling by blocking heat transfer to the first associated support plate 113.
  • the configuration in which the flow path guide 210 and the heat insulating material 220 formed of the guide plate 211 and the guide side wall 214 are provided is described, but the guide side wall 214 and the heat insulating material 220 are It may also be configured as not provided.
  • the guide plate 211 when the guide plate 211 is made thick, the combustion gas flows to the edge of the guide plate 211 and then a downward flow is formed, thereby preventing the heat of the combustion gas from being directly transmitted to the first associated support plate 113. This can prevent the occurrence of boiling.
  • the surface of the guide plate 211 may be oxidized, it is preferable to configure the guide plate 211 made of a high temperature oxidation resistant ferritic stainless steel.
  • FIG. 4 is a cross-sectional view showing an oil boiler according to a second embodiment of the present invention.
  • the combustion gas flow guide 200-1 of the second embodiment is provided on the guide plate 211-1 and the guide plate 211 spaced upwardly from the first associated support plate 113 and the burner 103. It consists of a heat insulating material 220-1 to block the heat of the combustion gas generated in the transfer to the guide plate 211-1.
  • the combustion gas flows downward toward the edge after the downward flow is blocked from the upper surface of the heat insulator 220-1, and then flows downward again.
  • the first heat exchange with the heating water of the water tank 101 is performed. This is done.
  • the combustion gas flows to the upper surface of the first associated support plate 113 in a state where the temperature is lowered, so that heat exchange is performed, thereby preventing boiling.
  • FIG. 5 is a sectional view showing an oil boiler according to a third embodiment of the present invention.
  • the combustion gas flow guide 200-2 of the third embodiment is spaced apart from the first guide plate 211-2 spaced upward from the first associated support plate 113 and the guide plate 211-2.
  • the burner 103 is removed from the edges of the second guide plate 212-2 and the first guide plate 211-2 and the second guide plate 212-2 provided to form the space 213-2. It extends toward the guide side wall (214-2) for sealing the space inside the space (213-2).
  • the combustion gas flow guide 200-2 has the same configuration as the combustion gas flow guide 200 of the first embodiment, but instead of the heat insulator 220, the second guide plate 212-2 and the separation space 213-. 2) is different in that it is provided.
  • the interior of the separation space 213-2 may be configured as an empty space, or may fill an object for blocking heat transfer.
  • the first guide plate 211-2 and the second guide plate 212-2 may be made of ferritic stainless steel for high temperature oxidation to prevent oxidation due to high temperature.
  • FIG. 6 is a sectional view showing an oil boiler according to a fourth embodiment of the present invention.
  • the combustion gas flow guide 200-3 of the fourth embodiment is disposed between the first guide plate 211-3 and the guide plate 211-2 spaced upwardly from the first associated support plate 113.
  • the edges of the second guide plate 212-3 and the first guide plate 211-2 and the second guide plate 212-3 provided to form the separation space 213-3 are connected to each other. It consists of the guide side wall 214-3 which seals the inside of space 213-3.
  • the fourth embodiment differs from the third embodiment in that the guide side walls 214-3 do not protrude upward from the second guide plate 212-3.
  • the space is formed by the separation space 213-2, thereby preventing the heat of the combustion gas from being directly transmitted to the first associated support plate 113, thereby preventing the occurrence of boiling.
  • thermal efficiency may be improved.
  • FIG. 7 is a cross-sectional view showing an oil boiler according to a fifth embodiment of the present invention
  • FIG. 8 is a view showing the heat insulating material of FIG. 7.
  • the flue gas flow guide 200-4 of the fifth embodiment covers the upper portion of the first associated support plate 113 to block the combustion gas from directly contacting the first associated support plate 113, while the association (
  • the through hole 215-4 is formed at a position corresponding to the tube 122 to allow combustion gas to flow through the 122.
  • the combustion gas flow guide (200-4) is preferably made of a heat insulating material of a predetermined thickness.
  • the boiling gas can be prevented by directly preventing the combustion gas from directly contacting the upper surface of the first associated support plate 113 by the combustion gas flow guide 200-4.

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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)
  • Instantaneous Water Boilers, Portable Hot-Water Supply Apparatuses, And Control Of Portable Hot-Water Supply Apparatuses (AREA)

Abstract

La présente invention concerne une chaudière au mazout comportant un guide de trajectoire de gaz de combustion, la chaudière au mazout comprenant : un corps de paroi de chambre de combustion englobant une chambre de combustion dans laquelle la combustion est effectuée par un brûleur ; une pluralité de tubes de fumée prévus pour faire face au brûleur avec la chambre de combustion intercalée entre eux, de telle sorte que le gaz de combustion produit par la combustion du brûleur passe à travers l'intérieur de ceux-ci ; une première plaque de support de tube de fumée à laquelle une extrémité du tube de fumée, proche du brûleur est fixée et supportée ; un corps de chaudière pour former un réservoir d'eau étant donné que de l'eau de chauffage est remplie dans un espace entre le corps de chaudière et le corps de paroi de chambre de combustion et un espace entre le corps de chaudière et le tube de fumée ; et un guide de trajectoire de gaz de combustion ménagé entre le brûleur et la première plaque de support de tube de fumée, empêchant le gaz de combustion produit par la combustion du brûleur de s'écouler à travers une partie centrale de celui-ci et, simultanément, permettant au gaz de combustion de s'écouler à travers un espace formé entre une partie de bord de celui-ci et la surface interne du corps de paroi de chambre de combustion.
PCT/KR2016/003393 2015-04-02 2016-04-01 Chaudière au mazout comportant un guide de trajectoire de gaz de combustion Ceased WO2016159709A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
EP16773490.4A EP3287696B1 (fr) 2015-04-02 2016-04-01 Chaudière au mazout comportant un guide de trajectoire de gaz de combustion

Applications Claiming Priority (2)

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KR1020150046808A KR101794572B1 (ko) 2015-04-02 2015-04-02 연소가스 유로가이드가 구비된 기름보일러
KR10-2015-0046808 2015-04-02

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WO2016159709A1 true WO2016159709A1 (fr) 2016-10-06

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EP (1) EP3287696B1 (fr)
KR (1) KR101794572B1 (fr)
WO (1) WO2016159709A1 (fr)

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US20190162444A1 (en) * 2017-11-28 2019-05-30 Young-Hwan Choi Hot water storage boiler having scale prevention function

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KR102738707B1 (ko) * 2021-11-08 2024-12-06 주식회사 경동나비엔 물 가열기 및 그 제어방법

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20190162444A1 (en) * 2017-11-28 2019-05-30 Young-Hwan Choi Hot water storage boiler having scale prevention function
US10900693B2 (en) * 2017-11-28 2021-01-26 Young-Hwan Choi Hot water storage boiler having scale prevention function

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KR20160118536A (ko) 2016-10-12
EP3287696A1 (fr) 2018-02-28
EP3287696A4 (fr) 2019-03-13
KR101794572B1 (ko) 2017-12-01
EP3287696B1 (fr) 2021-03-03

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