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WO2007126261A1 - Système de récupération de chaleur à partir d'eaux usées - Google Patents

Système de récupération de chaleur à partir d'eaux usées Download PDF

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Publication number
WO2007126261A1
WO2007126261A1 PCT/KR2007/002079 KR2007002079W WO2007126261A1 WO 2007126261 A1 WO2007126261 A1 WO 2007126261A1 KR 2007002079 W KR2007002079 W KR 2007002079W WO 2007126261 A1 WO2007126261 A1 WO 2007126261A1
Authority
WO
WIPO (PCT)
Prior art keywords
water
wasted
pipe
heat exchange
tank
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/KR2007/002079
Other languages
English (en)
Inventor
Myung Hyuk Yun
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of WO2007126261A1 publication Critical patent/WO2007126261A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D17/00—Domestic hot-water supply systems
    • F24D17/02—Domestic hot-water supply systems using heat pumps
    • 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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/12—Heat pump
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F24—HEATING; RANGES; VENTILATING
    • F24D—DOMESTIC- OR SPACE-HEATING SYSTEMS, e.g. CENTRAL HEATING SYSTEMS; DOMESTIC HOT-WATER SUPPLY SYSTEMS; ELEMENTS OR COMPONENTS THEREFOR
    • F24D2200/00—Heat sources or energy sources
    • F24D2200/16—Waste heat
    • F24D2200/20—Sewage 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
    • Y02B10/00—Integration of renewable energy sources in buildings
    • Y02B10/70—Hybrid systems, e.g. uninterruptible or back-up power supplies integrating renewable energies
    • 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]
    • Y02B30/52—Heat recovery pumps, i.e. heat pump based systems or units able to transfer the thermal energy from one area of the premises or part of the facilities to a different one, improving the overall efficiency

Definitions

  • the present invention relates to a system for heat recovery from wasted water, and more particularly, to a system for heat recovery from wasted water, which can efficiently recover heat from water used in a bathhouse, can be prevented from being inoperable due to the blocking of foreign substances contained in the wasted water, and can be easily maintained and repaired.
  • the present invention provides a system for heat recovery from wasted water, which can maximize the heat recovery efficiency, prevent the heat exchange efficiency from being degraded by foreign substances or soap contained in the wasted water, prevent the damage caused by foreign substances, smoothly discharge accumulated foreign substances to extend its lifetime, and easily inspect and clear foreign substances accumulated by the long-term use.
  • a system for heat recovery from wasted water includes: a was ted- water collection tank (100) connected to a wasted- water inlet pipe (102) through which used water is introduced; a was ted- water heat exchange tank (200) provided separately from the wasted- water collection tank (100) and connected to the wasted- water collection tank (100) through a wasted- water supply pipe (202), the wasted- water heat exchange tank (200) including a heat exchanger (210); and a was ted- water discharge pipe (204) connected to the wasted- water heat exchange tank (200), wherein heat obtained through the heat exchanger (210) is recovered.
  • the wasted-water supply pipe (202) may have one end connected between a middle level of the was ted- water collection tank (100) and a level of the wasted water, and the other end connected to an upper portion of the wasted- water heat exchange tank (200).
  • the system may further include an inverted-U-shaped pipe (206) provided on the uppermost end of the was ted- water discharge pipe (204), wherein the wasted water overflows and is discharged when an inflow of the wasted water exceeds the level of the inverted-U-shaped pipe (206).
  • an inverted-U-shaped pipe (206) provided on the uppermost end of the was ted- water discharge pipe (204), wherein the wasted water overflows and is discharged when an inflow of the wasted water exceeds the level of the inverted-U-shaped pipe (206).
  • the system may further include a distribution pipe (212) disposed in the wasted- water supply pipe (202) of the wasted- water heat exchange tank (200) so as to disperse the wasted water in a horizontal direction.
  • a distribution pipe (212) disposed in the wasted- water supply pipe (202) of the wasted- water heat exchange tank (200) so as to disperse the wasted water in a horizontal direction.
  • the system may further include: a pump (220) and a valve (Vl) connected to the wasted-water discharge pipe 204; a pair of connection pipes (232, 234) disposed in parallel so as to connect the discharge pipe (204) and a lower portion of the was ted- water collection tank (100); and a plurality of valves (V2, V3, V4) connected to the connection pipes (232, 234) and between the connection pipes (232, 234) and the wasted- water discharge pipe (204).
  • a pump (220) and a valve (Vl) connected to the wasted-water discharge pipe 204
  • Vl valve
  • the system may further include a filter box(l 10) with a filter (112) at a connecting portion of the wasted- water inlet pipe (102) and the wasted- water collection tank (100) to filter hairs or foreign substance contained in the waste water.
  • the system may further include a manhole (230) for inspection of the wasted- water exchange tank (200).
  • the wasted- water collection tank 100 and the was ted- water heat exchange tank 200 are separately provided, thereby preventing a large amount of foreign substance from being directly attached to the heat exchanger 210.
  • the high heat exchange efficiency can be maintained.
  • the level of the wasted-water supply pipe 202 is set in such a manner that foreign substances floating in the wasted water collected in the wasted- water collection tank 200 cannot be directly introduced through the wasted- water sup ply pipe 202. Since the filter box 110 is installed in the wasted- water inlet pipe 102, the inflow of foreign substances is maximally prevented. Consequently, the degradation of the heat exchange efficiency can be prevented, and the contamination and frequent cleaning of the wasted- water processing apparatus can be suppressed, thereby reducing the labor required for maintenance.
  • FIG. 1 is a schematic diagram of a system for heat recovery from wasted water according to an embodiment of the present invention.
  • FIG. 2 is a front view of the system illustrated in Fig. 1.
  • FIG. 3 is a plan view of the system illustrated in Fig. 1.
  • Fig. 1 is a schematic diagram of a system for heat recovery from wasted water according to an embodiment of the present invention
  • Fig. 2 is a front view of the system illustrated in Fig. 1
  • Fig. 3 is a plan view of the system illustrated in Fig. 1.
  • the system for heat recovery from wasted water includes a water tank 10 and a heat exchanger 20.
  • the water tank 10 is connected to a water supply pipe 14 through which hot water is supplied to a bathhouse or the like.
  • the heat exchanger 20 is connected to the water tank 10 through a water pipe 12.
  • the heat exchanger 20 is designed in such a manner that heat exchange is performed by a wasted- water heat exchanger 210 and a refrigerant pipe 22 of a wasted- water heat exchanger.
  • the system for heat recovery from wasted water includes a wasted-water collection tank 100 and a wasted- water heat exchange tank 200.
  • the wasted- water collection tank 100 collects wasted water used in a bathhouse or the like.
  • a was ted- water inlet pipe 102 is connected to the wasted- water collection tank 100.
  • the was ted- water heat exchange tank 200 constructed separately from the was ted- water collection tank 100 is connected to the was ted- water collection tank 100 through a wasted- water supply pipe 202.
  • a heat exchanger 210 is installed in the was ted- water heat exchange tank 200. Wasted water that is heat-exchanged in the wasted- water heat exchange tank 200 is discharged through a wasted- water discharge pipe 204.
  • a filter box 110 with a filter 112 is provided at a connecting portion of the wasted- water inlet pipe 102 and the was ted- water collection tank 100.
  • the filter box 110 primarily filters various foreign substances, such as hair, soap and dirt, which are contained in the waste water.
  • the wasted-water supply pipe 202 through which the wasted water collected in the was ted- water collection tank 100 is supplied to the wasted- water heat exchange tank 200 is connected to an upper portion of the wasted- water collection tank 100.
  • the level of the connecting portion of the wasted- water supply pipe 202 is set to be higher than half the height of the wasted- water collection tank 100 and to be lower than the maximum level of the wasted water.
  • the connecting portion of the wasted- water supply pipe 202 is disposed below the floating level of the foreign substance.
  • the wasted- water supply pipe 202 is connected to the upper portion of the wasted- water heat exchange tank 200 such that the wasted water flows downward while being cooled slowly at the upper portion.
  • a distribution pipe 212 with a plurality of outlet holes 213 extends in a transverse direction and is connected to an inlet port of the wasted- water supply pipe 202 connected to the wasted- water heat exchange tank 200, so that the introduced wasted water is dispersed uniformly over the entire heat exchanger 210.
  • a distribution pipe 214 with a plurality of inlet holes 215 is connected to the connecting portion of the wasted- water discharge pipe 204 connected to the lower portion of the wasted- water heat exchange tank 200, so that the wasted water heat-exchanged in the wasted- water heat exchange tank 200 can be uniformly discharged. Therefore, it is possible to prevent the discharge of the wasted water that is not sufficiently heat- exchanged due to its rapid discharge.
  • a pump 220 and a valve Vl are connected to the middle of the wasted- water discharge pipe 204.
  • An inverted-U-shaped pipe 206 is connected to an end of the wasted- water discharge pipe 204.
  • the wasted- water discharge pipe 204 is connected to a sump 240.
  • the inverted-U-shaped pipe 206 determines a level of the wasted water that flows in the lower portions of the was ted- water collection tank 100 and the wasted- water heat exchange tank 200. When the level of the wasted water in the tanks is lower than the level of the inverted-U-shaped pipe 206, the waster water contained in the wasted-water discharge pipe 204 is not discharged unless a separate pumping operation is performed.
  • the wasted water overflows from the inverted-U-shaped pipe 206 and is then discharged to the sump 240.
  • connection pipes 232 and 234 are connected in parallel between the wasted- water discharge pipe 204 and the lower portion of the wasted- water collection tank 100.
  • Valves V2 and V3 are connected to the connection pipes 232 and 234, respectively.
  • Another valve V4 is connected to the wasted- water discharge pipe 204 between the connecting portions of the connection pipes 232 and 234. Therefore, the wasted water that is heat-exchanged in the wasted- water heat exchange tank 200 is circulated to the wasted- water collection tank 100 through the wasted- water discharge pipe 204 and the connection pipe 232.
  • the wasted water is circulated between the was ted- water collection tank 100 and the was ted- water heat exchange tank 200 until heat is sufficiently recovered from the wasted water.
  • the level of the inverted-U-shaped pipe 206 is set higher than that of the wasted- water supply pipe 202, such that the wasted water can be circulated between the was ted- water collection tank 100 and the wasted- water heat exchange tank 200 in such a state that the wasted water is not discharged.
  • the wasted water may be discharged from the wasted- water collection tank 100 through the connection pipe 234 and the inverted-U-shaped pipe 206, or may be discharged directly through the wasted-water discharge pipe 204 and the valve V4.
  • the inflow of the wasted water increases in any cases. Therefore, the wasted water is finally discharged only when the level of the wasted water is higher than that of the inverted-U-shaped pipe 206. As a result, it is possible to prevent imperfect heat recovery caused by unnecessary discharge of the wasted water.
  • the wasted water filtered in the wasted- water collection tank 100 is supplied to the heat exchange tank 200, foreign substances are not completely removed from the wasted water. Therefore, it is hard to prevent foreign substance from being accumulated in the wasted- water heat exchange tank 200 during the long-term use. In this case, the accumulation of foreign substances in the heat exchanger 210 degrades the heat exchange efficiency. Therefore, in order to clean the heat exchanger 210, the valves V2 and V3 are closed and the pump 220 is operated to forcibly discharge the wasted water within the wasted- water heat exchange tank 200 through the wasted- water discharge pipe 204. Then, a manhole 230 for inspection of the wasted- water heat exchange tank 200 is opened so taht an operator enters the wasted-water heat exchange tank 200 and cleans it.
  • An overflow pipe 126 is connected to the upper portion of the wasted- water collection tank 100 and is used to rapidly discharge the wasted water that is excessively introduced, or to remove foreign substances floating in the upper portion of the wasted water.
  • Discharge pipes 128 and 228 are connected to the lower ends of the wasted- water collection tank 100 and the wasted- water heat exchange tank 200, respectively. In some cases, the waster water contained in the tanks is directly discharged to the outside through the discharge pipes 128 and 228.
  • the heat recovered in the heat exchanger 210 of the wasted- water heat exchanger is circulated to the heat exchanger 20 through the refrigerant pipe 22 and the compressor 30 and heats the water circulated through the water pipe 12 of the water tank 10.
  • the above-described embodiments of the present invention are shown and described only for illustrative purposes. The heat recovery can be achieved in various ways without departing from the spirit and scope of the present invention.

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Abstract

L'invention concerne un système de récupération de chaleur à partir d'eaux usées qui permet de récupérer de la chaleur résiduelle de manière efficace, sans être bloqué par des substances étrangères contenues dans les eaux usées, et qui peut facilement être entretenu et réparé. Ce système comprend : un réservoir de collecte d'eaux usées (100) raccordé à une conduite d'entrée d'eaux usées (102) par laquelle pénètrent les eaux usées; un réservoir d'échange de chaleur d'eaux usées (200) séparé du réservoir de collecte d'eaux usées (100) et raccordé à ce dernier au moyen d'une conduite d'alimentation en eaux usées (202), le réservoir d'échange de chaleur d'eaux usées (200) comprenant un échangeur de chaleur (210); et une conduite d'évacuation d'eaux usées (204) raccordée au réservoir d'échange de chaleur d'eaux usées (200), la chaleur obtenue au moyen de l'échangeur de chaleur (210) étant récupérée.
PCT/KR2007/002079 2006-04-28 2007-04-27 Système de récupération de chaleur à partir d'eaux usées Ceased WO2007126261A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
KR1020060038567A KR100686189B1 (ko) 2006-04-28 2006-04-28 온수의 폐열회수장치
KR10-2006-0038567 2006-04-28

Publications (1)

Publication Number Publication Date
WO2007126261A1 true WO2007126261A1 (fr) 2007-11-08

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Application Number Title Priority Date Filing Date
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Country Status (2)

Country Link
KR (1) KR100686189B1 (fr)
WO (1) WO2007126261A1 (fr)

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104278B3 (de) * 2012-05-16 2013-07-18 Willi Brunner Wärmerückgewinnungsvorrichtung sowie deren Verwendung
US20160003506A1 (en) * 2013-02-19 2016-01-07 Natural Systems Utilities, Llc Systems and methods for recovering energy from wastewater
WO2018080386A1 (fr) * 2016-10-25 2018-05-03 Jlo Development Ab Système et procédé de récupération d'énergie thermique à partir d'eaux usées

Families Citing this family (10)

* Cited by examiner, † Cited by third party
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KR101659262B1 (ko) 2015-01-30 2016-09-26 김선철 항온조와 히트펌프 기반의 폐열 재활용 시스템
KR101938745B1 (ko) 2016-09-09 2019-01-16 위드케이 주식회사 온실복합단지 냉난방시스템
KR102109398B1 (ko) 2017-03-28 2020-05-12 위드케이 주식회사 냉온동시 히트펌프 시스템
KR102031414B1 (ko) 2017-08-21 2019-10-11 윤성구 회전축 샌드 다중복합 여과기
KR102137046B1 (ko) 2017-11-02 2020-07-23 윤성구 여과기용 필터 구조체
KR102133206B1 (ko) 2017-11-08 2020-07-14 윤성구 다중 복합 샌드 여과기
KR20200016475A (ko) 2018-08-07 2020-02-17 윤성구 횡형 샌드 여과기
KR20210004048A (ko) 2019-07-03 2021-01-13 윤성구 샌드 여과기의 구동기구
CN112128992A (zh) * 2020-09-17 2020-12-25 哈尔滨锅炉厂有限责任公司 光热发电用化盐装置及化盐方法
CN114636341B (zh) * 2022-02-11 2024-09-24 安徽平天湖投资控股集团有限公司 一种高效废水热量回收装置

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JPS56142330A (en) * 1980-04-04 1981-11-06 Solar Kogyo Kk Hot water feeding apparatus for bathroom
JPH0972607A (ja) * 1995-09-05 1997-03-18 Mitsubishi Electric Corp 浴槽水の廃熱回収装置
KR200274040Y1 (ko) * 2002-01-29 2002-05-01 (주)은석테크 폐열회수장치
KR100505186B1 (ko) * 2005-01-19 2005-08-03 텍산메드테크(주) 폐수열 회수장치

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JPH0765721B2 (ja) * 1990-03-16 1995-07-19 溶融炭酸塩型燃料電池発電システム技術研究組合 排熱回収熱交換装置
KR100492928B1 (ko) * 2004-04-09 2005-06-02 장동현 히트펌프를 이용한 폐수처리장치
KR100586789B1 (ko) * 2004-12-15 2006-06-08 김기석 유체방향 자동변환시스템이 구현된 폐수열회수설비

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Publication number Priority date Publication date Assignee Title
JPS56142330A (en) * 1980-04-04 1981-11-06 Solar Kogyo Kk Hot water feeding apparatus for bathroom
JPH0972607A (ja) * 1995-09-05 1997-03-18 Mitsubishi Electric Corp 浴槽水の廃熱回収装置
KR200274040Y1 (ko) * 2002-01-29 2002-05-01 (주)은석테크 폐열회수장치
KR100505186B1 (ko) * 2005-01-19 2005-08-03 텍산메드테크(주) 폐수열 회수장치

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102012104278B3 (de) * 2012-05-16 2013-07-18 Willi Brunner Wärmerückgewinnungsvorrichtung sowie deren Verwendung
DE202013003151U1 (de) 2012-05-16 2013-08-23 Willi Brunner Wärmerückgewinnungsvorrichtung sowie deren Verwendung
EP2664859A2 (fr) 2012-05-16 2013-11-20 Willi Brunner Dispositif de récupération de chaleur et son utilisation
EP2664859A3 (fr) * 2012-05-16 2014-01-01 Willi Brunner Dispositif de récupération de chaleur et son utilisation
US20160003506A1 (en) * 2013-02-19 2016-01-07 Natural Systems Utilities, Llc Systems and methods for recovering energy from wastewater
EP2959250A4 (fr) * 2013-02-19 2016-09-14 Natural Systems Utilities Llc Systèmes et procédés de récupération d'énergie à partir des eaux usées
US9719704B2 (en) 2013-02-19 2017-08-01 Natural Systems Utilities, Llc Systems and methods for recovering energy from wastewater
WO2018080386A1 (fr) * 2016-10-25 2018-05-03 Jlo Development Ab Système et procédé de récupération d'énergie thermique à partir d'eaux usées
SE545040C2 (sv) * 2016-10-25 2023-03-07 Ecoclime Solutions Ab Återvinningssystem och metod för återvinning av termisk energi från spillvatten
US11768039B2 (en) 2016-10-25 2023-09-26 Ecoclime Solutions Ab Recovery system and method for recovery of thermal energy from waste water

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