DE2533759A1 - DEVICE FOR RECOVERY OF THERMAL ENERGY FROM WASTE WATER AND SAVING WATER - Google Patents

DEVICE FOR RECOVERY OF THERMAL ENERGY FROM WASTE WATER AND SAVING WATER

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Publication number
DE2533759A1
DE2533759A1 DE19752533759 DE2533759A DE2533759A1 DE 2533759 A1 DE2533759 A1 DE 2533759A1 DE 19752533759 DE19752533759 DE 19752533759 DE 2533759 A DE2533759 A DE 2533759A DE 2533759 A1 DE2533759 A1 DE 2533759A1
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DE
Germany
Prior art keywords
water
line
waste water
cold
thermal energy
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.)
Granted
Application number
DE19752533759
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German (de)
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DE2533759C3 (en
DE2533759B2 (en
Inventor
Leopold Anderl
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Individual
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Individual
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Filing date
Publication date
Application filed by Individual filed Critical Individual
Priority to DE2533759A priority Critical patent/DE2533759C3/en
Priority to CH888776A priority patent/CH611954A5/en
Priority to NL7607950A priority patent/NL7607950A/en
Priority to FR7621763A priority patent/FR2319584A1/en
Priority to AT528976A priority patent/AT349043B/en
Priority to ES450142A priority patent/ES450142A1/en
Priority to IT25781/76A priority patent/IT1067078B/en
Priority to BE169290A priority patent/BE844578A/en
Publication of DE2533759A1 publication Critical patent/DE2533759A1/en
Publication of DE2533759B2 publication Critical patent/DE2533759B2/en
Application granted granted Critical
Publication of DE2533759C3 publication Critical patent/DE2533759C3/en
Expired legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D37/00—Processes of filtration
    • D06F39/30—
    • 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

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  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Treatment Of Water By Ion Exchange (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Heat-Pump Type And Storage Water Heaters (AREA)

Description

Dipl.-Jng. Adolf H. FischerDipl.-Jng. Adolf H. Fischer

Dipl.-Ing. Wolf-Dieter FischerDipl.-Ing. Wolf-Dieter Fischer

67 LudwigHhafen/Rh. ß.i Bmaroksu·. 6467 LudwigHhafen / Rh. ß.i Bmaroksu ·. 64

Vorriehturig zur Rückgewinnung von Wärmeenergie aus Abwässern und Einsparung des WassersProvision for the recovery of thermal energy from wastewater and saving water

Die Erfindung betrifft eine Vorrichtung zur Rückgewinnung von Wärmeenergie aus Abwässern und Einsparung des Wassers bei Maschinen in Großwäschereien, Bädern, Industrie und dgl.The invention relates to a device for recovering thermal energy from waste water and saving water for machines in large laundries, bathrooms, industry and the like.

Bekanntlich fallen in großen Wäschereien, Hotels, Krankenhäusern und der Industrie große Mengen an Wasser und Wärme in Abwässern an, wobei beides ungenutzt in die Kanäle fließt. Der Erfindung liegt somit die Aufgabe zugrunde eine Vorrichtung vorzuschlagen, mit der es möglich ist unter gleichzeitiger Wiederverwendung der kalten Abwässer die Wärmeenergie aus den heißen Abwässern zurück zu gewinnen.As is well known, large amounts of water and fall in large laundries, hotels, hospitals and industry Heat in wastewater, both of which flow unused into the sewers. The invention is therefore based on the object To propose a device with which it is possible to reuse the cold waste water at the same time to recover the thermal energy from the hot wastewater.

Diese Aufgabe wird nach der Erfindung dadurch gelöst, daß das erhitzte Abwasser über Feinfilter zu Wärmetauschern geführt iüt und von dort in den Abwasserkanal gelangt,This object is achieved according to the invention in that the heated wastewater is passed through fine filters to heat exchangers and from there into the sewer,

709 8 0 7/0032709 8 0 7/0032

während Kaltwasser über die Wärmetauscher die Wärmeenergie aufnimmt und zu einem Heißwassersammelbehälter geführt ist, der an die Maschine angeschlossen ist.while cold water absorbs the heat energy via the heat exchanger and leads it to a hot water collecting tank connected to the machine.

Eine vorteilhafte Ausführungsform besteht darin, daß das erhitzte Abwaaser sowie bei Verwendung von kaltem Abwasser als Kaltwasser vor den Wärmetauschern Sammelbecken vorgesehen sind, und daß in den Leitungen zwischen den Sammelbecken und den Filtern Pumpen und zwisdnen den Filtern sowie den Wärmetauschern weitere Pumpen angeordnet sind.An advantageous embodiment is that the heated waste water and when using cold waste water are provided as cold water in front of the heat exchangers sump, and that in the lines between the Collecting basins and the filters pumps and between the Filters as well as the heat exchangers additional pumps are arranged.

Weiterhin ist es vorteilhaft, daß das Kaltwasser über eine Rückleitung an einen KaltwaBsersammelbehälter angeschlossen ist.It is also advantageous that the cold water is connected to a cold water collecting tank via a return line is.

Nach einem weiteren Vorschlag der Erfindung geht man so vor, daß die Leitung des erhitzten Abwassers an ein Vierwege-Ventil angeschlossen ist, das ferner in der Verbindungslei tung des heißen Abwassers zwischen den Tauschern liegt und das mit dem Abwasserkanal verbunden ist.According to a further proposal of the invention, the procedure is that the line of the heated waste water to a four-way valve is connected, which is also in the connection line of the hot wastewater between the exchangers and that is connected to the sewer.

Die Erfindung bringt insbesondere den Vorteil, daß ein Großteil der aufgewendeten Wärmeenergie für den weiteren Arbeitsprozeß zurückgewonnen werden kann und außerdem eine beachtliche Wasserersparnis erzielt wird. Versuche haben ergeben, daß bis zu 80 % an Wärmeenergie und bis zu 50 % an Wasser eingespart werden können. Die Vorrichtung zeichnet sich durch ihren einfachen Aufbau aus, wobei bekannte Elemente in entsprechender Anordnung zueinander verwendet sind. Außerdem kann durch die besondere Anordnung der Filter die Anlage kontinuierlich im Taktverfahren betrieben werden, wobei außerdem durch die besondere Anordnung und Schaltung der Wärmetauscher diese in bestimmten Zeitabschnitten einfach gereinigt werden können.The invention has the particular advantage that a large part of the thermal energy used for the other Work process can be recovered and as well one considerable water savings are achieved. Tests have shown that up to 80% of thermal energy and up to 50% can be saved in water. The device is characterized by its simple structure, whereby known elements are used in a corresponding arrangement to one another. In addition, the special arrangement the filter, the system can be operated continuously in a cyclical manner, which is also due to the special arrangement and switching the heat exchangers they can be cleaned easily in certain time periods.

- 3 709807/00 32- 3 709807/00 32

Die -Erfindung wird in der nachfolgenden Beschreibung anhand eines in der Zeichnung dargestellten Ausführungsbeispiels näher erläutert. The invention is described in the following description explained in more detail using an exemplary embodiment shown in the drawing.

In der Zeichnung ist eine Ausführungsform nach der Erfindung dargestellt und zwar in Verbindung mit einer Waschmaschine, wobei die Waschmaschine mit dem Bezugszeichen 1 versehen ist. Der Waschmaschine 1 werden gelöste Waschmittel über eine Leitung 17 beigegeben, wobei zum Aufheizen des Wassers beispielsweise eine Dampfleitung 18 vorgesehen ist. Die Abwasser der Maschine 1 werden über die Leitung 8 für heißes Abwasser und die Leitung 9 für kaltes Abwasser von der Maschine 1 abgegeben, wobei zur Steuerung entsprechend dem Waschvorgang ein Dreiwege-Ventil 19 vorgesehen ist. Die Leitungen 8 bzw. münden in Sammelbecken 6 bzw. 7» wobei das heiße Abwaaser in dem Becken 6 und das kalte Abwasser in dem Becken 7 gesammelt werden. Das Sammelbecken 6 für das heiße Abwasser ist besonders wärmeisoliert, wobei beispieLsweise dieser Behälter als isolierter Doppelmanteltank mit Kunststoffbeschichtung ausgeführt sein kann, während das weitere Becken 7 für das Kaltwasser keine derartige Isolierung braucht. Aus dem Becken 6 wird das heiße Wasser über eine Leitung 81 und das kalte Wasser über eine Leitung 9' mit Hilfe von Pumpen 11 entnommen, wobei das heiße Wasser über parallel geschaltete Peinfilter 2 gelangt, wobei durch eine entsprechende Steuerung diese Filter taktweise in Betrieb sind und der ausgeschaltete Filter in der Zwischenzeit gereinigt oder durch einen neuen ersetzt wird. In diesen Filtern 2 werden die ungelösten Schmutz- und Fettteilchen sowie ausgewaschene Textilien und Zusätze abgefiltert, wobei die Filter 2 entsprechend konstruiert sind. Diese abfiltrierten Koagulate haben einen Wärmeinhalt von etwa 4000 kcal/kg und werden mit Kohle verbrannt. Über eineIn the drawing, an embodiment according to the invention is shown in connection with a washing machine, the washing machine being provided with the reference number 1. Dissolved detergents are added to the washing machine 1 via a line 17, a steam line 18, for example, being provided for heating the water. The waste water from the machine 1 is discharged from the machine 1 via the line 8 for hot waste water and the line 9 for cold waste water, a three-way valve 19 being provided for control in accordance with the washing process. The lines 8 and 8 open into collecting basins 6 and 7, respectively, the hot waste water being collected in the basin 6 and the cold waste water in the basin 7. The collecting basin 6 for the hot wastewater is particularly thermally insulated, whereby, for example, this container can be designed as an insulated double-walled tank with a plastic coating, while the further basin 7 for the cold water does not need any such insulation. From the basin 6, the hot water is removed via a line 8 1 and the cold water via a line 9 'with the aid of pumps 11, the hot water passing through fine filters 2 connected in parallel, with these filters operating in cycles through a corresponding control and the switched off filter has been cleaned or replaced with a new one in the meantime. In these filters 2, the undissolved dirt and fat particles as well as washed-out textiles and additives are filtered off, the filters 2 being designed accordingly. These filtered coagulates have a heat content of about 4000 kcal / kg and are burned with coal. Over a

- 4 709807/0032 - 4 709807/0032

_ 4 —_ 4 -

Leitung 20, eine Pumpe 12, ein Vierwege-Ventil 15 und eine Leitung 16 gelangt das heiße Wasser in zwei zusammengeschaltete Wärmetauscher 3 und tritt an dem unteren Wärmetauscher über die Leitung 21 aus, gelangt von dort wieder zu dem Vierwege-Ventil 15 und über die Leitung in den Abwasserkanal 4. Die derart abgegebene Wärmemenge wird zum Aufheizen des kalten Abwassers verwendet, das weniger verunreinigt ist und somit für den Waschprozeß wieder verwendet werden kann. Dieses kalte Abwasser wird über die Feinfilter 10 entsprechend gereinigt und gelangt über die Leitung 23 in Verbindung mit der Pumpe 12 durch die Wärmetauscher und tritt an dem oberen Wärmetauscher an der Leitung 24 aufgeheizt aus. Diese Leitung 24 ist an einen Heißwassersammelbehälter 5 angeschlossen, aus dem je nach Bedarf das warme Wasser über die Leitung 25 für die Maschine 1 entnommen werden kann.Line 20, a pump 12, a four-way valve 15 and a line 16 passes the hot water into two interconnected heat exchangers 3 and enters the lower one The heat exchanger exits via line 21, passes from there again to the four-way valve 15 and via the line in the sewer 4. The amount of heat released in this way is used to heat the cold sewage, which is less contaminated and can therefore be reused for the washing process. This cold sewage will Purified accordingly via the fine filter 10 and passes through the line 23 in connection with the pump 12 the heat exchanger and exits the upper heat exchanger on line 24 in a heated state. This line 24 is on a hot water collecting tank 5 connected, from which the warm water via line 25 for the machine 1 can be removed.

Das überschüssige Kaltwasser aus dem Becken 7 gelangt über eine Abzweigleitung 26 van der Leitung 23 in einen Kaltwassersammelbehälter 14, wo es &e nach Bedarf für den Spülvorgang an der Waschmaschine 1 verwendet werden kann.The excess cold water from the tank 7 passes via a branch line 26 of the van line 23 into a cold water storage tank 14, where it can be used as needed for the flushing operation to the washing machine 1 e.

Zur Reinigung der Wärmetauscher 3 werden diese rückgespült, wobei das durch das Rohrbündel strömende Wasser in entgegengesetzter Strömungsrichtung ü-äuft. Für diesen Vorgang werden die Pumpen 11, 12 abgeschaltet und das Ventil 27 in der Kaltwasserleitung 28 geöffnet. Ferner wird das Vierwege-Ventil 15 derart eingestellt, daß das Kaltwasser über die Leitung 21 zunächst in den unteren Wärmetauscher und dann über den oberen Wärmetauscher 3, die Leitung 16 und die Leitung 22 in den Abwasserkanal 4 gelangt. Nach erfolgter Rückspülung wird das Ventil 15 wieder durch einen entsprechenden Stellmotor auf "Betrieb" gestellt und die Rückgewinnung der Wärme aus den Abwässern kann wieder erfolgen.To clean the heat exchangers 3, they are backwashed, the water flowing through the tube bundle in opposite directions Direction of flow ü-runs. For this process, the pumps 11, 12 are switched off and that Valve 27 in the cold water line 28 is open. Furthermore, the four-way valve 15 is set so that the Cold water through line 21 first into the lower heat exchanger and then through the upper heat exchanger 3, the line 16 and the line 22 enter the sewer 4. After backwashing has taken place, valve 15 again set to "operation" by a corresponding servomotor and the recovery of the heat from the waste water can be done again.

— 5 —- 5 -

709807/0032709807/0032

Claims (3)

— 5 — Patentansprüche- 5 - Claims 1./Vorrichtung zur Rückgewinnung von Wärmeenergie aus Abwässern und Einsparung des Wassers bei Maschinen in Großwäschereien, Bädern, Industrie und dgl., da-' durch gekennzeichnet, daß das erhitzte Abwasser über Feinfilter (2) zu Wärmetauschern (3) geführt ist und von dort in den Abwasserkanal (4) gelangt, während Kaltwasser über die Wärmetauscher (3) die Wärmeenergie aufnimmt und zu einem Heißwassersammelbehälfcer (5) geführt ist, der an die Maschine (1) angeschlossen ist.1./Device for the recovery of thermal energy from Wastewater and saving of water in machines in large laundries, baths, industry and the like, because- ' characterized in that the heated waste water is fed to heat exchangers (3) via fine filters (2) and from there into the sewer (4), while cold water absorbs the heat energy via the heat exchanger (3) and to a hot water collecting container (5), which is connected to the machine (1). 2. Vorrichtung nach Anspruch 1, dadurch gekennzeichnet, daß das erhitzte Abwasser sowie bei Verwendung von kaltem Abwanser als Kaltwasser vor den Wärmetauschern (3) üamiflelbecken (6,7) vorgesehen sind, und daß in den Leitungen (8, 9) zwischen den Sammelbecken (6, 7) und den Filtern (2, 10) Pumpen (11) und zwiachen den Filtern (2, 10) sowie den Wärmetauschern (3) weitere Pumpen (12) angeordnet sind.2. Apparatus according to claim 1, characterized in that the heated waste water and when using cold waste water as cold water in front of the heat exchangers (3) üamiflelbecken (6.7) are provided, and that in the Lines (8, 9) between the collecting basins (6, 7) and the filters (2, 10) pumps (11) and between the filters (2, 10) and the heat exchangers (3) more Pumps (12) are arranged. 3. Vorrichtung nach Anspruch 1 und 2, dadurch gekennzeichnet, daß das Kaltwasser über eine Hiickleitung (13) an einen Kalbwassersammelbehälber (14) angeschlossen ist.3. Apparatus according to claim 1 and 2, characterized in that the cold water via a Hiick line (13) connected to a calf water collecting tank (14) is. 4-, Vorrichtung nach Anspruch 1 bis 3, dadurch gekennzeichnet, daß die Leitung (81) des erhitzten Abwassers an ein Vierwego-Ventll (15) angeschlossen ist, das ferner in der Verbindungsleitung (16) des heißen Abwassers zwischen den Tauschern (3) liegt und das mit dem Abwasserkanal (4) verbunden ist.4-, device according to claim 1 to 3, characterized in that the line (8 1 ) of the heated wastewater is connected to a four-way valve (15), which is also in the connecting line (16) of the hot wastewater between the exchangers (3 ) and which is connected to the sewer (4). 709807/0032709807/0032 LeerseiteBlank page
DE2533759A 1975-07-29 1975-07-29 Device for treating waste water from large laundries, breweries or the like. Expired DE2533759C3 (en)

Priority Applications (8)

Application Number Priority Date Filing Date Title
DE2533759A DE2533759C3 (en) 1975-07-29 1975-07-29 Device for treating waste water from large laundries, breweries or the like.
CH888776A CH611954A5 (en) 1975-07-29 1976-07-12 Apparatus for recovering heat energy from waste water and for saving water, especially in laundries
FR7621763A FR2319584A1 (en) 1975-07-29 1976-07-16 DEVICE FOR RECOVERING THERMAL ENERGY FROM WASTE WATER AND SAVING WATER
NL7607950A NL7607950A (en) 1975-07-29 1976-07-16 DEVICE FOR RECOVERING HEAT ENERGY FROM WASTE WATER AND SAVING WATER.
AT528976A AT349043B (en) 1975-07-29 1976-07-19 DEVICE FOR THE RECOVERY OF THERMAL ENERGY FROM WASTEWATER AND FOR THE RECOVERY OF WATER
ES450142A ES450142A1 (en) 1975-07-29 1976-07-24 Installation for recovery and saving of calorifica energy and water, of the wastewater. (Machine-translation by Google Translate, not legally binding)
IT25781/76A IT1067078B (en) 1975-07-29 1976-07-28 DEVICE FOR THE RECOVERY OF THERMAL ENERGY FROM WASTE WATER AND TO ECONOMIZE WATER
BE169290A BE844578A (en) 1975-07-29 1976-07-28 DEVICE FOR RECOVERING THERMAL ENERGY FROM WASTE WATER AND SAVING WATER

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE2533759A DE2533759C3 (en) 1975-07-29 1975-07-29 Device for treating waste water from large laundries, breweries or the like.

Publications (3)

Publication Number Publication Date
DE2533759A1 true DE2533759A1 (en) 1977-02-17
DE2533759B2 DE2533759B2 (en) 1980-06-12
DE2533759C3 DE2533759C3 (en) 1981-05-07

Family

ID=5952662

Family Applications (1)

Application Number Title Priority Date Filing Date
DE2533759A Expired DE2533759C3 (en) 1975-07-29 1975-07-29 Device for treating waste water from large laundries, breweries or the like.

Country Status (8)

Country Link
AT (1) AT349043B (en)
BE (1) BE844578A (en)
CH (1) CH611954A5 (en)
DE (1) DE2533759C3 (en)
ES (1) ES450142A1 (en)
FR (1) FR2319584A1 (en)
IT (1) IT1067078B (en)
NL (1) NL7607950A (en)

Cited By (11)

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DE3119809A1 (en) * 1981-05-19 1982-12-09 Menerga Apparatebau GmbH, 4330 Mülheim Device for recovering heat from polluted waste water
DE3223422A1 (en) * 1982-06-23 1984-01-12 Alfons 7516 Karlsbad Meschenmoser System for recovering heat from waste water and for reuse as toilet flushing water
DE3338189A1 (en) * 1983-10-20 1985-06-05 Walter Neukirchen Kroll METHOD FOR RECOVERING HEAT FROM WASTEWATER WITH SIMULTANEOUS DRINKING WATER SAVING
DE3152374C2 (en) * 1980-09-12 1994-06-01 Jacob Weitman Method and device for recovering thermal energy from several heat transfer media of a heat-consuming system
DE102007013296A1 (en) * 2007-03-16 2008-09-18 Hans Huber Ag Maschinen- Und Anlagenbau Arrangement and method for the recovery of heat energy from waste water
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
US7886392B2 (en) 2006-08-15 2011-02-15 Whirlpool Corporation Method of sanitizing a fabric load with steam in a fabric treatment appliance
US7904981B2 (en) 2006-08-15 2011-03-15 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance
US7913339B2 (en) 2006-08-15 2011-03-29 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor
US10844533B2 (en) 2007-05-07 2020-11-24 Whirlpool Corporation Method for controlling a household washing machine
CN112619246A (en) * 2020-12-12 2021-04-09 安徽管仲酒业有限公司 White spirit is made and is recycled device with waste water recovery

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DE3476113D1 (en) * 1984-05-07 1989-02-16 Jacob Weitman A method of controlling an energy recovery system
EP0217981A1 (en) * 1985-07-25 1987-04-15 Richard O. Kaufmann Continuous flow laundry system and method
EP0266473A3 (en) * 1986-11-03 1989-03-08 Jacob Weitman Method and apparatus for the recovery of waste water from industrial processes
GR920100177A (en) * 1992-05-05 1994-01-31 Abdul Kader Jihad New washing process-new washing machine and results.
DE9410453U1 (en) * 1994-06-28 1994-12-01 Premark Feg Corp Drainage water heat recovery system and dishwasher
GR1002423B (en) * 1995-10-31 1996-08-29 Jihad A. Kader Machines and system for the economy of water.
US7765628B2 (en) 2006-06-09 2010-08-03 Whirlpool Corporation Steam washing machine operation method having a dual speed spin pre-wash
US7941885B2 (en) 2006-06-09 2011-05-17 Whirlpool Corporation Steam washing machine operation method having dry spin pre-wash
US7665332B2 (en) 2006-08-15 2010-02-23 Whirlpool Corporation Steam fabric treatment appliance with exhaust
US7841219B2 (en) 2006-08-15 2010-11-30 Whirlpool Corporation Fabric treating appliance utilizing steam
US8037565B2 (en) 2007-08-31 2011-10-18 Whirlpool Corporation Method for detecting abnormality in a fabric treatment appliance having a steam generator
US8555676B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7966683B2 (en) 2007-08-31 2011-06-28 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
US7690062B2 (en) 2007-08-31 2010-04-06 Whirlpool Corporation Method for cleaning a steam generator
US7905119B2 (en) 2007-08-31 2011-03-15 Whirlpool Corporation Fabric treatment appliance with steam generator having a variable thermal output
US7918109B2 (en) 2007-08-31 2011-04-05 Whirlpool Corporation Fabric Treatment appliance with steam generator having a variable thermal output
US8555675B2 (en) 2007-08-31 2013-10-15 Whirlpool Corporation Fabric treatment appliance with steam backflow device
US7861343B2 (en) 2007-08-31 2011-01-04 Whirlpool Corporation Method for operating a steam generator in a fabric treatment appliance
CN112833695B (en) * 2021-02-20 2022-07-01 重庆合得拢食品有限公司 Brine heat energy recycling device
CN114046604B (en) * 2021-11-18 2024-01-12 深圳职业技术学院 Two-stage supercooling direct heating type multifunctional heat pump water heater

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3152374C2 (en) * 1980-09-12 1994-06-01 Jacob Weitman Method and device for recovering thermal energy from several heat transfer media of a heat-consuming system
DE3119809A1 (en) * 1981-05-19 1982-12-09 Menerga Apparatebau GmbH, 4330 Mülheim Device for recovering heat from polluted waste water
DE3223422A1 (en) * 1982-06-23 1984-01-12 Alfons 7516 Karlsbad Meschenmoser System for recovering heat from waste water and for reuse as toilet flushing water
DE3338189A1 (en) * 1983-10-20 1985-06-05 Walter Neukirchen Kroll METHOD FOR RECOVERING HEAT FROM WASTEWATER WITH SIMULTANEOUS DRINKING WATER SAVING
US7886392B2 (en) 2006-08-15 2011-02-15 Whirlpool Corporation Method of sanitizing a fabric load with steam in a fabric treatment appliance
US7904981B2 (en) 2006-08-15 2011-03-15 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance
US7913339B2 (en) 2006-08-15 2011-03-29 Whirlpool Corporation Water supply control for a steam generator of a fabric treatment appliance using a temperature sensor
US7753009B2 (en) 2006-10-19 2010-07-13 Whirlpool Corporation Washer with bio prevention cycle
DE102007013296A1 (en) * 2007-03-16 2008-09-18 Hans Huber Ag Maschinen- Und Anlagenbau Arrangement and method for the recovery of heat energy from waste water
DE102007013296B4 (en) 2007-03-16 2021-08-12 Huber Se Arrangement and method for the recovery of thermal energy from waste water
DE102007013296B9 (en) 2007-03-16 2021-10-14 Huber Se Arrangement and method for the recovery of thermal energy from waste water
US10844533B2 (en) 2007-05-07 2020-11-24 Whirlpool Corporation Method for controlling a household washing machine
CN112619246A (en) * 2020-12-12 2021-04-09 安徽管仲酒业有限公司 White spirit is made and is recycled device with waste water recovery

Also Published As

Publication number Publication date
FR2319584B1 (en) 1983-12-09
ATA528976A (en) 1978-08-15
DE2533759C3 (en) 1981-05-07
BE844578A (en) 1976-11-16
CH611954A5 (en) 1979-06-29
IT1067078B (en) 1985-03-12
NL7607950A (en) 1977-02-01
DE2533759B2 (en) 1980-06-12
ES450142A1 (en) 1977-08-01
AT349043B (en) 1979-03-12
FR2319584A1 (en) 1977-02-25

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