WO2022019524A1 - 온수의 폐열 회수 장치 - Google Patents
온수의 폐열 회수 장치 Download PDFInfo
- Publication number
- WO2022019524A1 WO2022019524A1 PCT/KR2021/008518 KR2021008518W WO2022019524A1 WO 2022019524 A1 WO2022019524 A1 WO 2022019524A1 KR 2021008518 W KR2021008518 W KR 2021008518W WO 2022019524 A1 WO2022019524 A1 WO 2022019524A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- raw water
- water pipe
- pipe part
- hot water
- heat exchange
- Prior art date
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 188
- 239000002918 waste heat Substances 0.000 title claims abstract description 39
- 239000002351 wastewater Substances 0.000 claims abstract description 89
- 238000011084 recovery Methods 0.000 claims description 33
- 230000008878 coupling Effects 0.000 claims description 9
- 238000010168 coupling process Methods 0.000 claims description 9
- 238000005859 coupling reaction Methods 0.000 claims description 9
- 238000000034 method Methods 0.000 claims 3
- 239000000126 substance Substances 0.000 abstract description 20
- 238000005299 abrasion Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 2
- 229910052802 copper Inorganic materials 0.000 description 2
- 239000010949 copper Substances 0.000 description 2
- 238000007599 discharging Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 239000007779 soft material Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 235000012054 meals Nutrition 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000008399 tap water Substances 0.000 description 1
- 235000020679 tap water Nutrition 0.000 description 1
Images
Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/02—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled
- F28D7/024—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being helically coiled the conduits of only one medium being helically coiled tubes, the coils having a cylindrical configuration
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
- F28D21/0001—Recuperative heat exchangers
- F28D21/0012—Recuperative heat exchangers the heat being recuperated from waste water or from condensates
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
- F28D7/00—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
- F28D7/10—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically
- F28D7/106—Heat-exchange apparatus having stationary tubular conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits being arranged one within the other, e.g. concentrically consisting of two coaxial conduits or modules of two coaxial conduits
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
- F28F13/00—Arrangements for modifying heat-transfer, e.g. increasing, decreasing
- F28F13/06—Arrangements for modifying heat-transfer, e.g. increasing, decreasing by affecting the pattern of flow of the heat-exchange media
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28G—CLEANING OF INTERNAL OR EXTERNAL SURFACES OF HEAT-EXCHANGE OR HEAT-TRANSFER CONDUITS, e.g. WATER TUBES OR BOILERS
- F28G3/00—Rotary appliances
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L15/00—Washing or rinsing machines for crockery or tableware
- A47L15/42—Details
- A47L15/4291—Recovery arrangements, e.g. for the recovery of energy or water
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B30/00—Energy efficient heating, ventilation or air conditioning [HVAC]
- Y02B30/56—Heat recovery units
-
- 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
- Y02B—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO BUILDINGS, e.g. HOUSING, HOUSE APPLIANCES OR RELATED END-USER APPLICATIONS
- Y02B40/00—Technologies aiming at improving the efficiency of home appliances, e.g. induction cooking or efficient technologies for refrigerators, freezers or dish washers
Definitions
- the present invention relates to a waste heat device for hot water, and more particularly, to a waste heat recovery device for hot water that can effectively recover waste heat from used and discarded hot water.
- Heat exchange technology is used in various fields. For example, heat is recovered and recycled from water used for heating and cooling of buildings or from hot water discarded from dishwashers. Dishwasher, which has been widely used in recent years, uses a large amount of hot water because it is used for meals in large restaurants or schools.
- the conventional heat exchange configuration has a problem in that heat cannot be efficiently recovered.
- it is not easy to recover heat from wastewater such as dishwashers because various foreign substances are included in the wastewater.
- there are many foreign substances generated after washing the dishes in the wastewater of the dishwasher and these foreign substances become a great difficulty in establishing a heat exchange configuration.
- the tubes are brought into contact for heat exchange, the flow of foreign substances is blocked and the tubes are clogged.
- the applicant of the present invention has proposed a waste heat recovery device of Korean Patent Registration No. 10-1919340.
- This patented technology implements a device capable of smoothly discharging foreign substances in the wastewater pipe and performing heat exchange with a large contact area by placing and rotating the coil-shaped raw water pipe part in the waste water pipe part.
- the present invention provides a waste heat recovery device for hot water that does not cause wear damage while increasing heat exchange efficiency by suppressing direct contact between the raw water pipe part and the waste water pipe part while the raw water pipe part rotates in the waste water pipe part.
- the present invention provides a waste heat recovery device for hot water, comprising: a waste water pipe section through which waste water which is hot water flows; N (N ⁇ 1) heat exchange units; and a rotation driving unit for rotating the raw water pipe unit, wherein the raw water pipe unit includes a rotating shaft, a spiral blade attached to a circumferential surface of the rotating shaft, and spirally wound around the circumferential surface of the rotating shaft. and a raw water pipe disposed between the spiral blades of the plane and through which raw water flows.
- the raw water pipe is disposed below the upper end of the spiral blade in the height direction of the spiral blade from the circumferential surface of the rotation shaft and is non-contact with the pipe inner wall of the waste water pipe portion during rotation.
- the rotation shaft includes a tube portion disposed at both ends, and a blocked rod portion disposed between the tube portions.
- Both ends of the raw water pipe are communicatively connected to the pipe parts of the rotation shaft, respectively.
- a waste heat recovery device for hot water with excellent efficiency.
- the contact area for heat exchange is enlarged by arranging the spiral raw water pipe part through which the cold water flows in the pipe part of the waste water pipe part through which the hot water flows.
- the heat of wastewater discharged from the dishwasher can be recycled.
- it is possible to prevent abrasion damage of the raw water pipe by arranging the spiral blades on the rotating shaft and arranging the spiral raw water pipe between them so that the raw water pipe does not contact the inner wall of the waste water pipe part. This allows the raw water pipe to be formed as thin as possible, thereby maximizing heat exchange efficiency.
- FIG. 1 is a view showing a waste heat recovery device according to a preferred embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the waste heat recovery apparatus for hot water of FIG. 1 .
- FIG. 3 is a view showing a heat exchange unit employed in the waste heat recovery apparatus for hot water of FIG. 1 .
- FIG. 4 is a view showing a raw water pipe part included in the heat exchange unit of FIG. 3 .
- FIG. 5 is a cross-sectional view of the raw water pipe of FIG.
- the waste heat recovery apparatus for hot water of the present invention can be used more suitably when foreign substances are contained in waste water, which is preferably hot water.
- the waste heat recovery apparatus for hot water of the present invention may be preferably used to utilize waste water discharged from the dishwasher by being connected to a dishwasher that uses a large amount of hot water. Dishwasher generally uses hot water to increase washing efficiency, and the used hot water is discarded as it is.
- the waste heat recovery apparatus for hot water of the present invention employs a heat exchange unit of a double pipe type.
- a raw water pipe part through which cold water flows is disposed in a waste water pipe part through which hot water flows, and the raw water pipe part is formed in a spiral (coil type) shape to discharge foreign substances in the waste water pipe part when it rotates in the waste water pipe part.
- the waste heat recovery apparatus for hot water of the present invention makes the apparatus compact while maximizing heat exchange efficiency by arranging a plurality of heat exchange units side by side.
- Each heat exchange unit includes a waste water pipe section and a raw water pipe section.
- the spiral raw water pipe part is opposed between the spiral blades so that the raw water pipe part does not come into contact with the inner wall of the waste water pipe part. Accordingly, it becomes possible to form the tube of the raw water tube portion relatively thinner or made of a soft material such as copper having high thermal conductivity.
- FIG. 1 is a view showing a waste heat recovery device according to a preferred embodiment of the present invention.
- FIG. 2 is a cross-sectional view of the waste heat recovery apparatus for hot water of FIG. 1 .
- FIG. 3 is a view showing a heat exchange unit employed in the waste heat recovery apparatus for hot water of FIG. 1 .
- FIG. 4 is a view showing a raw water pipe part included in the heat exchange unit of FIG. 3 .
- 5 is a cross-sectional view of the raw water pipe of FIG.
- a part of the case (C) is opened for convenience of explanation and understanding and the elements located inside are taken out and shown, but in the actual product, the elements are located in the case (C) and the case (C) ) may be in the form of a closed box.
- the heat exchange unit (N) in FIG. 3 transparently shows the waste water pipe part 11 so that the inside can be seen.
- the waste heat recovery apparatus for hot water includes a case (C), and components may be disposed in the case (C).
- Case (C) can be used vertically or horizontally.
- the waste heat recovery apparatus for hot water includes N heat exchange units N1 and N2 having a waste water pipe part 11 and a raw water pipe part 13, where N may be greater than or equal to 1. have.
- N may be greater than or equal to 1.
- the heat exchange units (N1, N2) are connected to each other and arranged in a curved path in the case (C) to have space efficiency.
- the hot water wastewater flows into the wastewater inlet 711 disposed on the heat exchange unit N1 side, passes through the heat exchange units N1 and N2, and then the heat exchange unit N2 side It may be discharged to the wastewater outlet 731 disposed in the .
- raw water as cold water may be introduced into the raw water inlet 911 disposed on the heat exchange unit N2 side and discharged through the raw water outlet 931 disposed on the heat exchange unit N1 side. In this way, heat exchange may be performed while wastewater and raw water pass through the heat exchange units N1 and N2 in opposite directions.
- Each of the heat exchange units N1 and N2 includes a cylindrical wastewater pipe part 11 and a raw water pipe part 13 inserted in the longitudinal direction of the wastewater pipe part 11 .
- the waste water pipe part 11 has a cylindrical shape and the raw water pipe part 13 is inserted therein.
- raw water and wastewater flow through the raw water pipe part 13 and the waste water pipe part 11, respectively.
- the wastewater may be hot water used and discharged in the dishwasher, and the raw water may be cold water, which is groundwater or tap water for use in the dishwasher.
- the raw water pipe part 13 included in each of the heat exchange units N1 and N2 includes a raw water pipe 131 in which a part or all of a portion located in the wastewater pipe part 11 is spirally wound.
- the contact area between wastewater and raw water in the heat exchange units N1 and N2 is enlarged, thereby increasing heat exchange efficiency.
- the waste heat recovery apparatus for hot water suppresses abrasion damage of the pipe, particularly, abrasion damage of the raw water pipe 131 by suppressing the raw water pipe 131 from contacting the inner wall of the waste water pipe part 11 . do.
- the raw water pipe 131 may have a thin thickness in order to sufficiently increase the heat exchange efficiency.
- the raw water pipe 131 rotates while contacting the inner wall of the waste water pipe 11 . If so, there is a risk of wear damage.
- the present invention adopts the configuration of the raw water pipe part 13 as follows.
- the raw water pipe part 13 employed in the waste heat recovery apparatus for hot water of the present invention includes a rotating shaft 133 and a spiral raw water pipe 131 wound around the rotating shaft 133 .
- the raw water pipe part 13 includes a spiral blade 135 formed by attaching to the rotation shaft 133 .
- the spiral blade 135 discharges foreign substances in the pipe of the wastewater pipe part 11 when the rotating shaft 133 rotates.
- the raw water pipe 131 disposed in a spirally wound shape around the rotation shaft 133 is disposed between the spiral blades 135 .
- the diameter of the raw water pipe 131 is made smaller than the height of the spiral blade 135 from the surface of the rotation shaft 133, so that in any case, the raw water pipe 131 is installed on the inner wall of the wastewater pipe part 11. It is best to avoid contact. That is, the raw water pipe 131 is disposed below the upper end of the spiral blade 135 in the height direction of the spiral blade 135 from the circumferential surface of the rotation shaft 133, and is disposed on the inner wall of the pipe of the wastewater pipe unit 11 during rotation. will be non-contact.
- the rotating shaft 133 may be composed of three parts.
- the rotating shaft 133 has a tube portion 1331 at both ends, and a rod portion 1335 is disposed between the tube portions 1331 .
- the tube portions 1331 and the rod portions 1335 are connected to each other to have a single straight bar shape as a whole.
- Both ends of the raw water pipe 131 are connected to the pipe portion 1331 at both ends to enable liquid flow. Accordingly, the pipe portion 1331 of the rotating shaft 133 becomes the raw water inlet 911 , the raw water outlet 931 , or a connection portion of the raw water pipe connector. This allows a simple configuration of the heat exchange units N1 and N2 in which the tube rotates.
- the waste heat recovery apparatus for hot water includes a rotation driving unit 30 for rotating the raw water pipe unit 13 .
- a rotation driving unit 30 for rotating the raw water pipe unit 13 By rotating the rotary driving unit 30 of the raw water pipe part 13 having the spiral blade 135, foreign substances contained in the wastewater in the wastewater pipe part 11 can be smoothly discharged to the outside of the heat exchange units N1 and N2.
- the rotation driving unit 30 may be installed to rotate the raw water pipe unit 13 in a direction opposite to the spiral direction.
- the flow of wastewater may be the same as the spiral direction, and as the raw water pipe part 13 rotates, foreign substances that may be deposited in the pipe are easily discharged along the flowing wastewater.
- the flow of wastewater and raw water may be in opposite directions.
- the apparatus for recovering waste heat of hot water may include one or more heat exchange units N1 and N2.
- heat exchange units N1 and N2 When a plurality of heat exchange units N1 and N2 are provided, they are connected in series by a first coupling member 51 disposed therebetween.
- that the heat exchange units N1 and N2 are connected in series means that the flow of wastewater and raw water continues without changing the flow direction in the heat exchange unit to which it is connected next.
- a preferred embodiment of the present invention shown is a form in which the heat exchange units N1 and N2 of a substantially straight line are folded, and by this configuration, not only the size of the device can be made compact, but also the rotation for rotating the raw water pipe part 13 It facilitates the arrangement of the components of the driving unit 30 .
- the waste heat recovery apparatus of the present invention arranges a plurality of heat exchange units N1 and N2 side by side.
- This side-by-side arrangement is relatively as in the preferred embodiment showing a rotational drive unit 30 including a motor 31 and a gear set 33 for rotating each of the raw water pipe parts 13 while maintaining the series connection. It can be configured simply.
- the rotation driving unit 30 may be installed to apply a rotational force to the part of the raw water pipe part 13 exposed to the outside of one side of the wastewater pipe part 11 .
- the side-by-side arrangement can make the entire device compact as described above, and can be suitably employed in a kitchen having a normally limited space.
- the waste heat recovery apparatus may include first and second coupling members 51 and 53 .
- the first and second coupling members 51 and 53 are disposed between the heat exchange units N1 and N2 to connect the heat exchange units N1 and N2.
- the first coupling member 51 connects the wastewater pipe parts 11 of adjacent heat exchange units to communicate with the wastewater
- the second coupling member 53 connects the raw water pipe parts 13 to communicate with the raw water.
- a wastewater inlet 711 or a wastewater outlet 731 is provided at the open ends of the first heat exchange unit N1 and the last heat exchange unit N2, respectively, and the end portion of the raw water pipe part 13 is exposed to the outside
- the first and second sockets 71 and 73 may be disposed.
- the raw water outlet 931 is disposed in the raw water pipe part 13 exposed to the outside of the first socket 71, and the raw water inlet 911 is disposed in the raw water pipe part 13 exposed to the outside of the second socket 73.
- the first and second sockets 71 and 73 rotate with the exposed non-rotating portion. It may include one or more rotary couplers 713 and 733 for connecting the parts.
- the second coupling member 53 connects the raw water pipe parts 13 and includes rotary couplers 531 and 533 so that each raw water pipe part 13 is rotatable.
- the rotation driving unit 30 may include a motor 31 and a gear set 33 installed to rotate the raw water pipe units 13 by transmitting the power of the motor 31 .
- the gear set 33 includes a driving gear installed on the shaft of the motor 31 and a driven gear group for rotating the raw water pipe unit 13 by receiving the power of the driving gear.
- the raw water pipe parts 13 of the adjacent heat exchange units N1 and N2 are arranged in opposite directions in the helical direction, and the above-described gear set 33 rotates the raw water pipe parts 13 in the same direction to heat exchange.
- the units N1 and N2 are arranged side by side, it is possible to transport foreign substances in the flow direction of the wastewater.
- the power transmission element that transmits the power of the motor 31 to rotate the raw water pipe parts 13 may include other equivalent elements such as a chain or a belt in addition to the above-described gear set 33 .
- the waste heat recovery apparatus may be used in connection with a dishwasher in which a large amount of hot water is discarded as waste water after being used.
- Hot water discharged from the dishwasher flows into the waste water inlet 711 of the waste heat recovery device of the present invention, passes through the waste water pipe 11 of the heat exchange units N1 and N2 in sequence, and then is discharged to the waste water outlet 731 .
- raw water to be used in the dishwasher flows in through the raw water inlet 911, passes through the raw water pipe 13 of the heat exchange units N1 and N2, and is discharged to the raw water outlet 931, it is heated and directly obtained into the dishwasher (not shown) or it is transferred to a gas water heater or gas booster and heated to a target temperature before use.
- the motor 31 of the rotary driving unit 30 rotates, and the gear set 33 transmits the rotational force to the raw water pipe part 13 to rotate the raw water pipe part.
- the driven gear group receives the driving gear installed on the shaft of the motor 31 to rotate the raw water pipe parts 13 exposed to the outside of the wastewater pipe parts 11 .
- the raw water pipe part 13 rotates in the opposite direction to the spiral direction, thereby transporting dirt or foreign substances in the wastewater in the flow direction of the wastewater and discharging it together with the wastewater.
- the configuration as described above allows the hot water wastewater and cold water raw water to contact for a sufficient period of time, while allowing foreign substances contained in the wastewater to be smoothly discharged without being deposited in the wastewater pipe unit 11 .
- the raw water pipe part 13 rotating in the waste water pipe part 11 is formed by attaching a spiral blade 135 to the rotation shaft 133 to smoothly discharge foreign substances while the raw water pipe 131 is installed on the inner wall of the waste water pipe part 11 . Abrasion damage of the raw water pipe 131 does not occur even if the raw water pipe 131 is formed to be relatively thin or made of a soft material with high thermal conductivity such as copper by preventing contact with the raw water pipe 131 .
- a waste heat recovery device for hot water with excellent efficiency.
- the contact area for heat exchange is enlarged by arranging the spiral raw water pipe part through which the cold water flows in the pipe part of the waste water pipe part through which the hot water flows.
- the heat of wastewater discharged from the dishwasher can be recycled.
- it is possible to prevent abrasion damage of the raw water pipe by arranging the spiral blades on the rotating shaft and disposing the spiral raw water pipe between them so that the raw water pipe does not contact the inner wall of the waste water pipe part. This allows the raw water pipe to be formed as thin as possible, thereby maximizing heat exchange efficiency.
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
Abstract
Description
Claims (4)
- 온수의 폐열 회수 장치로서:온수인 폐수가 흐르는 폐수관부와, 상기 폐수관부의 관 내에 배치되고 냉수인 원수가 흐르는 원수관부를 포함하는, 커플링 부재에 의해 직렬로 연결된 N개(N≥1)의 열교환 유닛; 및상기 원수관부를 회전시키는 회전구동부;를 포함하고,상기 원수관부는,회전축과, 상기 회전축의 둘레면에 부착된 나선형 날개와, 상기 회전축의 둘레면에 나선형으로 감겨서 배치되되 상기 회전축의 둘레면의 상기 나선형 날개의 사이에 배치되고 원수가 흐르는 원수관을 포함하는, 온수의 폐열 회수 장치.
- 청구항 1에 있어서,상기 원수관은 상기 회전축의 둘레면으로부터의 상기 나선형 날개의 높이 방향으로 상기 나선형 날개의 상단 보다 아래에 배치되어 회전 시에 상기 폐수관부의 관 내벽에 비접촉되는 것인, 온수의 폐열 회수 장치.
- 청구항 1에 있어서,상기 회전축은 양단 부위에 배치된 관부위와, 상기 관부위들 사이에 배치된 막힌 봉부위를 포함하는 것인, 온수의 폐열 회수 장치.
- 청구항 3에 있어서,상기 원수관의 양단은 상기 회전축의 관부위들에 각각 원수가 소통가능하게 연결되는 것인 온수의 폐열 회수 장치.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP21846244.8A EP4187188A1 (en) | 2020-07-24 | 2021-07-05 | Apparatus for recovering waste heat of hot water |
US18/016,735 US20230280105A1 (en) | 2020-07-24 | 2021-07-05 | Device for recovering waste heat from hot water |
JP2023503505A JP2023537851A (ja) | 2020-07-24 | 2021-07-05 | 温水の廃熱回収装置 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2020-0092133 | 2020-07-24 | ||
KR1020200092133A KR102207412B1 (ko) | 2020-07-24 | 2020-07-24 | 온수의 폐열 회수 장치 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2022019524A1 true WO2022019524A1 (ko) | 2022-01-27 |
Family
ID=74310374
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/KR2021/008518 WO2022019524A1 (ko) | 2020-07-24 | 2021-07-05 | 온수의 폐열 회수 장치 |
Country Status (5)
Country | Link |
---|---|
US (1) | US20230280105A1 (ko) |
EP (1) | EP4187188A1 (ko) |
JP (1) | JP2023537851A (ko) |
KR (1) | KR102207412B1 (ko) |
WO (1) | WO2022019524A1 (ko) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
KR102207412B1 (ko) * | 2020-07-24 | 2021-01-26 | 아이디오주식회사 | 온수의 폐열 회수 장치 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0960826A (ja) * | 1995-08-21 | 1997-03-04 | Fumiko Shinosawa | 焼却炉内に於ける撹拌装置の冷却法 |
KR20000034779A (ko) * | 1996-06-05 | 2000-06-26 | 이아트로스 리미티드 | 열 교환기 |
KR101176927B1 (ko) * | 2011-10-20 | 2012-08-30 | 두성농기(주) | 온수 보일러 |
JP2014062724A (ja) * | 2012-09-20 | 2014-04-10 | Uchimura:Kk | 多重管式熱交換器 |
KR101919340B1 (ko) | 2017-11-10 | 2018-11-19 | 아이디오주식회사 | 폐열 회수 장치 |
KR102207412B1 (ko) * | 2020-07-24 | 2021-01-26 | 아이디오주식회사 | 온수의 폐열 회수 장치 |
-
2020
- 2020-07-24 KR KR1020200092133A patent/KR102207412B1/ko active IP Right Grant
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2021
- 2021-07-05 US US18/016,735 patent/US20230280105A1/en active Pending
- 2021-07-05 EP EP21846244.8A patent/EP4187188A1/en active Pending
- 2021-07-05 JP JP2023503505A patent/JP2023537851A/ja active Pending
- 2021-07-05 WO PCT/KR2021/008518 patent/WO2022019524A1/ko active Application Filing
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0960826A (ja) * | 1995-08-21 | 1997-03-04 | Fumiko Shinosawa | 焼却炉内に於ける撹拌装置の冷却法 |
KR20000034779A (ko) * | 1996-06-05 | 2000-06-26 | 이아트로스 리미티드 | 열 교환기 |
KR101176927B1 (ko) * | 2011-10-20 | 2012-08-30 | 두성농기(주) | 온수 보일러 |
JP2014062724A (ja) * | 2012-09-20 | 2014-04-10 | Uchimura:Kk | 多重管式熱交換器 |
KR101919340B1 (ko) | 2017-11-10 | 2018-11-19 | 아이디오주식회사 | 폐열 회수 장치 |
KR102207412B1 (ko) * | 2020-07-24 | 2021-01-26 | 아이디오주식회사 | 온수의 폐열 회수 장치 |
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JP2023537851A (ja) | 2023-09-06 |
EP4187188A1 (en) | 2023-05-31 |
US20230280105A1 (en) | 2023-09-07 |
KR102207412B1 (ko) | 2021-01-26 |
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