NO782382L - PROCEDURE AND DEVICE FOR RECYCLING HEATING FROM BUILDINGS - Google Patents
PROCEDURE AND DEVICE FOR RECYCLING HEATING FROM BUILDINGSInfo
- Publication number
- NO782382L NO782382L NO782382A NO782382A NO782382L NO 782382 L NO782382 L NO 782382L NO 782382 A NO782382 A NO 782382A NO 782382 A NO782382 A NO 782382A NO 782382 L NO782382 L NO 782382L
- Authority
- NO
- Norway
- Prior art keywords
- heating
- water
- heat
- waste water
- hot water
- Prior art date
Links
- 238000010438 heat treatment Methods 0.000 title claims description 53
- 238000000034 method Methods 0.000 title claims description 25
- 238000004064 recycling Methods 0.000 title description 2
- 239000002351 wastewater Substances 0.000 claims description 37
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 35
- 239000007789 gas Substances 0.000 claims description 22
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 claims description 16
- 239000003345 natural gas Substances 0.000 claims description 8
- 239000008236 heating water Substances 0.000 claims description 7
- 238000011084 recovery Methods 0.000 claims description 5
- 239000003507 refrigerant Substances 0.000 claims description 5
- 239000002918 waste heat Substances 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 2
- 238000002485 combustion reaction Methods 0.000 claims 3
- 239000000498 cooling water Substances 0.000 claims 2
- 238000001704 evaporation Methods 0.000 description 3
- 230000008020 evaporation Effects 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 241000251468 Actinopterygii Species 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 239000002826 coolant Substances 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000004449 solid propellant Substances 0.000 description 1
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
- F24D11/00—Central heating systems using heat accumulated in storage masses
- F24D11/02—Central heating systems using heat accumulated in storage masses using heat pumps
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
-
- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03C—DOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
- E03C1/00—Domestic plumbing installations for fresh water or waste water; Sinks
- E03C2001/005—Installations allowing recovery of heat from waste water for warming up fresh 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]
- Y02B30/52—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
Landscapes
- Engineering & Computer Science (AREA)
- Public Health (AREA)
- Water Supply & Treatment (AREA)
- Hydrology & Water Resources (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Thermal Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Physics & Mathematics (AREA)
- Heat-Pump Type And Storage Water Heaters (AREA)
- Steam Or Hot-Water Central Heating Systems (AREA)
- Central Heating Systems (AREA)
- Engine Equipment That Uses Special Cycles (AREA)
- Processing Of Solid Wastes (AREA)
- Processing And Handling Of Plastics And Other Materials For Molding In General (AREA)
- Road Paving Machines (AREA)
- Waste-Gas Treatment And Other Accessory Devices For Furnaces (AREA)
Description
Oppfinnelsen vedrører en fremgangsmåte og en tilhørende innretning for gjenvinning av avvarme fra bygninger. The invention relates to a method and an associated device for recovering waste heat from buildings.
Det er kjent å gjenvinne varme fra grunnvann. En spesiell ulempe ved denne gjenvinning er at bærermediet i form av grunnvannet bare foreligger med en liten temperatur på ca. 5°C. Av denne grunn er en gjenvinning av varme fra grunnvann begrenset, og dessuten ér dette systemet ikke anvendbart over alt, som følge av den tette bebyggelse. It is known to recover heat from groundwater. A particular disadvantage of this recycling is that the carrier medium in the form of groundwater is only available at a low temperature of approx. 5°C. For this reason, a recovery of heat from groundwater is limited, and furthermore, this system is not applicable everywhere, as a result of the dense built-up area.
Ved bygninger av enhver art går en stor del av den til-førte varmeenergi tapt enten fordi den ikke benyttes eller fordi den bare delvis utrtyttes. Forsøk har således vist at i bolighus og andre bygninger inneholder avvann, spylevann fra produksjons-. prosesser og oppløsninger tildels store mengder varmeenergi. Det har videre kunnet fastslås at for oppvarmning av disse media benyttes fyrkjeier hvorfra avvarme i form av avgasser går helt uut-nyttet ut i det fri. Fra bygninger har man altså tap både i form In buildings of all kinds, a large part of the added heat energy is lost either because it is not used or because it is only partially dissipated. Experiments have thus shown that residential houses and other buildings contain waste water, flushing water from production. processes and solutions partly large amounts of heat energy. It has also been established that for heating these media, boilers are used, from which heat in the form of exhaust gases goes completely unused into the open air. Buildings therefore have a loss both in form
av temperert avvann og .i form av tempererte avgasser.of tempered waste water and in the form of tempered exhaust gases.
Det eksempelvis i bolighus forekommende avvann er eksempelvis temperert, når man går ut fra at bruk av vann i hus-holdningen som regel skjer etter en foretatt oppvarmning. De avgasser som man eksempelvis får ved sentralfyringer, hva enten det dreier seg om jordgassoppvarmning eller oljefyring, har som regel en temperatur på mellom 280 og 400°C. For example, the waste water found in residential buildings is, for example, tempered, when it is assumed that the use of water in the household usually takes place after heating has been carried out. The exhaust gases that you get, for example, from central heating, whether it is natural gas heating or oil heating, usually have a temperature of between 280 and 400°C.
Summen av disse avvarmeverdier, som adderer seg av avvann og avgasser, er så stor at det foreligger et praktisk behov for å kunne ta vare på i hvert fall en del av denne av-varmen og tilføre den til bygningen eller arbeidsprosessen igjen. The sum of these waste heat values, which are added by waste water and exhaust gases, is so great that there is a practical need to be able to take care of at least part of this waste heat and supply it to the building or work process again.
Hensikten med foreliggende oppfinnelse er således å tilveiebringe en fremgangsmåte og en innretning hvormed man på en The purpose of the present invention is thus to provide a method and a device with which one
økonomisk måte muliggjør en gjenvinning av varmen.economic way enables a recovery of the heat.
Dette oppnås ifølge foreliggende oppfinnelse i det vesentlige ved at avvannet oppfanges i en samlebeholder, at det oppsamlede avvann beretter oppvarmes ved hjelp av en etterkoplet varmeflate som oppvarmes ved hjelp av en avgass-varmeveksler, at det samlede avvann tappes for varme ved hjelp av en kulemiddel-fordamper og at dette medium (kuldemiddel) så.tilføres en varmepumpe hvor det skjer en temperaturutbytning til oppvarmingsvann, idet det skjer en temperaturøkning ved kondensering, og at det oppvarmede vann for oppvarmningsformål eller andre formål til-føres oppvarmningsanlegget eller arbeidsprosessen igjen. According to the present invention, this is essentially achieved by the waste water being collected in a collection container, the collected waste water being heated by means of a connected heating surface which is heated by means of an exhaust gas heat exchanger, the collected waste water being tapped for heat by means of a balling agent -evaporator and that this medium (refrigerant) is then supplied to a heat pump where there is a temperature exchange to heating water, as there is a temperature increase by condensation, and that the heated water for heating purposes or other purposes is supplied to the heating system or the work process again.
På denne måten kan man gjenvinne varme fra avvarme-mengdene til avvann og avgasser, også fra tyktflytende avvann såvel som avgasser fra jordgassoppvarmning, lette og tunge fyr-ingsoljer og faste brennstoffer. Varmen samles i en samlebeholder og avgis til en væske hvor varmen lagres. Etter behov avtas varmen via en platevarmeveksler og tilføres bolighusoppvarmningen eller arbeidsprosessen igjen. In this way, heat can be recovered from the de-heating quantities of waste water and waste gases, also from viscous waste water as well as waste gases from natural gas heating, light and heavy heating oils and solid fuels. The heat is collected in a collection container and released into a liquid where the heat is stored. As needed, the heat is removed via a plate heat exchanger and fed back into the heating of residential buildings or the work process.
Som følge av den spesielle konstruksjonen er det også mulig å utnytte tyktflytende og sterkt tilsmusset avvann for varmegjenvinning. As a result of the special construction, it is also possible to utilize viscous and highly contaminated waste water for heat recovery.
Avvannet blir i samsvar med tilløpet til samlebeholderen ført til en kloakk gjennom et overløp fra samlebeholderen, idet overløpet anordnes slik at et overløp først kan skje etterat varmemengden er trukket ut. Det for oppvarmningsformål eller pro-duksjonsformål beregnede, men for øyeblikket ikke nødvendige vann kan lagres over lengre tidsperioder i varmemagasiner, f.eks. yarmtvannsmagasinet. For magasinering over kortere tidsrom benyttes samlebeholderen. Denne er isolert og holder hele den samlede ayvannsmengde på en konstant temperatur i en viss tid. In accordance with the inflow to the collection container, the waste water is led to a sewer through an overflow from the collection container, the overflow being arranged so that an overflow can only occur after the amount of heat has been extracted. The water calculated for heating purposes or production purposes, but not currently needed, can be stored for longer periods of time in heat reservoirs, e.g. the yarmtvann reservoir. For storage over a shorter period of time, the collection container is used. This is insulated and keeps the entire total amount of fish water at a constant temperature for a certain time.
Det i yarmtvannsmagasinet lagrede vann kan dessuten oppvarmes direkte, slik at man derved enten kan oppnå en temperaturøkning eller ved topp-yarmebehoy kan tilføre ekstra varmeenergi for derved å få en tilstrekkelig mengde varmt vann med samme temperatur. Man kan også ha en indirekte oppvarmning av yarmtvannsmagasinet slik at man kan få en mer økonomisk utnytting ved stopp i den direkte oppvarmning. The water stored in the yarmtvann reservoir can also be heated directly, so that one can thereby either achieve a temperature increase or, in the case of top yarmebehoy, add extra heat energy to thereby obtain a sufficient amount of hot water at the same temperature. You can also have an indirect heating of the yarmtvann reservoir so that you can get a more economic utilization when the direct heating stops.
En innretning for gjennomføring av fremgangsmåten ifølge oppfinnelsen innbefatter en a<yy>ann-samlebeholder, et i denne anordnede røreverk, en kuldemiddelfordamper i form av en platevarmeveksler, en platevarmeveksler som varmeaggregat for den etterfølgende oppvarmning av avvannet, og en ytterligere platevarmeveksler som er installert for ekstra oppvarmning av avvannet. A device for carrying out the method according to the invention includes an a<yy>ann collecting container, an agitator arranged therein, a refrigerant evaporator in the form of a plate heat exchanger, a plate heat exchanger as a heating unit for the subsequent heating of the waste water, and a further plate heat exchanger which is installed for additional heating of the wastewater.
Det i beholderen anordnede rørverk setter avvannet i bevegelse og tilveiebringer en turbulens med bedre og raskere varmeovergang mellom avvann og mediene i platevarmevekslerne. The piping arranged in the container sets the waste water in motion and provides a turbulence with better and faster heat transfer between the waste water and the media in the plate heat exchangers.
For temperaturøkning av avvannet er det anordnet en etterkoplet varrt\eflate i form av en platevarmeveksler. Varmt vann pumpes gjennom denne. Det varme vannet oppvarmes i en avgass-varmeveksler. Avgassene fra fyrkjelene og avgassene fra den direkte oppvarmede varmtvannslagring føres gjennom denne avgassvarmeveksler. To increase the temperature of the waste water, a post-connected heating surface in the form of a plate heat exchanger is arranged. Hot water is pumped through this. The hot water is heated in an exhaust gas heat exchanger. The exhaust gases from the boilers and the exhaust gases from the directly heated hot water storage are passed through this exhaust gas heat exchanger.
En ytterligere oppvarming av avvannet skjer i en etterkoplet varmeflate som tilføres varmereturen fra fyringsanlegget. Det derved i tillegg avkjølte returvann avkjøles bevisst og føres først deretter til varmepumpen. A further heating of the waste water takes place in a connected heating surface which is supplied with the heat return from the heating system. The thereby additionally cooled return water is deliberately cooled and only then fed to the heat pump.
Oppfinnelsen skal beskrives nærmere under henvisningThe invention shall be described in more detail under reference
til tegningen som rent skjematisk viser en innretning for gjennom-føring av fremgangsmåten ifølge oppfinnelsen. to the drawing which schematically shows a device for carrying out the method according to the invention.
På tegningen betegner 1 en samlebeholder for avvann. Avvannet går inn i samlebeholderen gjennom tilløpsledningen 14. In the drawing, 1 denotes a collection container for waste water. The waste water enters the collection container through the inlet line 14.
I samlebeholderen er det anordnet et rørverk 2. Dette holder be-holdervæsken i konstant bevegelse. Videre er det anordnet en etterkoplet varmeflate 3 som bevirker en oppvarming av avvannet med varmt oppvarmningsvann som oppvarmes i en avgassvarmeveksler 8 og holdes i stadig omløp ved hjelp av en pumpe 12. En platevarmeveksler for et kuldemiddel 4 er likeledes anordnet i samlebeholderen. Platevarmeveksleren bevirker en fordampning av kulde-midlet og dette føres til varmepumpen 7 hvor det skjer en varme-avgivning til oppvarmningsvannet. A piping system 2 is arranged in the collection container. This keeps the container liquid in constant motion. Furthermore, a connected heating surface 3 is arranged which causes a heating of the waste water with hot heating water which is heated in an exhaust gas heat exchanger 8 and kept in constant circulation by means of a pump 12. A plate heat exchanger for a refrigerant 4 is likewise arranged in the collection container. The plate heat exchanger causes evaporation of the coolant and this is fed to the heat pump 7 where heat is released to the heating water.
En ytterligére varmeveksler 5 for ytterligere oppvarmning av det oppvarmede avvann er forbundet med returledningen som kommer fra oppvarmningsanlegget 11. Her skjer en yttligere oppvarmning og det avkjølte oppvarmningsreturvann føres så til varmepumpen 7. Varmepumpen 7 er av kjent type og arbeider på An additional heat exchanger 5 for further heating of the heated wastewater is connected to the return line coming from the heating system 11. Here, additional heating takes place and the cooled heating return water is then fed to the heat pump 7. The heat pump 7 is of a known type and works on
kjent måte, slik at det ikke er nødvendig med noen nærmere beskriv-else av denne. I varmepumpen 7 oppvarmes oppvarmningsvannet og går så gjennom rørledningen til pumpen 13 og derfra til oppvarmningsanlegget 11, known way, so that no further description of this is necessary. In the heat pump 7, the heating water is heated and then passes through the pipeline to the pump 13 and from there to the heating system 11,
Dersom ikke varmepumpen, men kjelen 6 er idrift, så vil likeledes oppvarmingsvann av pumpen 13 bringes til anlegget 11. Returvannet går gjennom den etterkoplede varmeflate 5 og If not the heat pump, but the boiler 6 is in operation, heating water from the pump 13 will likewise be brought to the system 11. The return water goes through the connected heating surface 5 and
sørger således forben oppvarmning av avvannet. Det avkjølte returvann går til varmepumpen 7, oppvarmes og, tilføres anlegget igjen. thus ensures the heating of the waste water. The cooled return water goes to the heat pump 7, is heated and supplied to the system again.
For oppvarmning av dette vannet har man til rådighet varme fra komprimeringsprosessen til den fordampede væske fra platevarmeveksleren 4. Fordampingen i platevarmeveksleren 4 er inte-nsiv som følge av at avvannsvarmemengden oppvarmes ekstra i den etterkoplede/varmeflate 5. Den avgitte varmemengde fra varmeveksleren 5 multipliseres med virkningsgraden til varmepumpen 7 idet kuldemiddelvarmeveksleren 4 sørger for fordampning-en, med etterfølgende kondensering i varmepumpen 7. En ekstra oppvarmning av avvannet skjer i varmeveksleren 3. Denne tilføres varmt vann gjennom avgassyarmeveksleren 8. Denne er idrift så-fremt oppvarmningskjelen 6 er idrift og/eller det direkte oppvarmede varmemagasin 9. Gjennom avgassledningen 17 føres av-gassen gjennom avgassvarmeveksleren 8 og går ut gjennom ledningen 16 etter avkjøling. For heating this water, heat is available from the compression process of the evaporated liquid from the plate heat exchanger 4. The evaporation in the plate heat exchanger 4 is intensive as a result of the amount of waste water heat being heated extra in the connected/heating surface 5. The amount of heat released from the heat exchanger 5 is multiplied by the efficiency of the heat pump 7, as the refrigerant heat exchanger 4 ensures evaporation, with subsequent condensation in the heat pump 7. An additional heating of the waste water takes place in the heat exchanger 3. This is supplied with hot water through the exhaust gas heat exchanger 8. This is in operation as long as the heating boiler 6 is in operation and/or or the directly heated heat store 9. Through the exhaust gas line 17, the exhaust gas is led through the exhaust gas heat exchanger 8 and exits through the line 16 after cooling.
Et spesielt trekk ved oppfinnelsen er at uttrekningen av varme fra avvannet skjer direkte i selve beholderen og at avvannet i samlebeholderen deretter kan oppvarmes ved hjelp av etterkoplede varmeflater som drives med avvarme fra totalpro-sessen. A special feature of the invention is that the extraction of heat from the waste water takes place directly in the container itself and that the waste water in the collecting container can then be heated with the help of connected heating surfaces which are operated with waste heat from the overall process.
Claims (23)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19772731207 DE2731207A1 (en) | 1977-07-11 | 1977-07-11 | METHOD AND DEVICE FOR THE RECOVERY OF WASTE HEAT FROM BUILDINGS |
Publications (1)
Publication Number | Publication Date |
---|---|
NO782382L true NO782382L (en) | 1979-01-12 |
Family
ID=6013622
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NO782382A NO782382L (en) | 1977-07-11 | 1978-07-07 | PROCEDURE AND DEVICE FOR RECYCLING HEATING FROM BUILDINGS |
Country Status (8)
Country | Link |
---|---|
JP (1) | JPS5419237A (en) |
BE (1) | BE858415A (en) |
DE (1) | DE2731207A1 (en) |
FI (1) | FI782178A (en) |
FR (1) | FR2397602A1 (en) |
NL (1) | NL7708868A (en) |
NO (1) | NO782382L (en) |
SE (1) | SE7807684L (en) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE437723B (en) * | 1983-11-14 | 1985-03-11 | Heatrec Ab | SET AND DEVICE FOR OPERATION OF A CONFORMITY PLANT |
JP2683389B2 (en) * | 1987-11-16 | 1997-11-26 | 花王株式会社 | Flaky zinc oxide powder and method for producing the same |
US5093099A (en) * | 1987-11-16 | 1992-03-03 | Kao Corporation | Flaky powder of zinc oxide and its composition for external use |
JPH0281313U (en) * | 1988-12-13 | 1990-06-22 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4719842Y1 (en) * | 1967-08-31 | 1972-07-05 | ||
JPS568964Y2 (en) * | 1976-08-12 | 1981-02-27 |
-
1977
- 1977-07-11 DE DE19772731207 patent/DE2731207A1/en active Pending
- 1977-08-11 NL NL7708868A patent/NL7708868A/en not_active Application Discontinuation
- 1977-08-15 JP JP9771677A patent/JPS5419237A/en active Pending
- 1977-09-05 BE BE180685A patent/BE858415A/en unknown
- 1977-09-06 FR FR7726987A patent/FR2397602A1/en active Granted
-
1978
- 1978-07-06 FI FI782178A patent/FI782178A/en not_active Application Discontinuation
- 1978-07-07 NO NO782382A patent/NO782382L/en unknown
- 1978-07-10 SE SE7807684A patent/SE7807684L/en unknown
Also Published As
Publication number | Publication date |
---|---|
SE7807684L (en) | 1979-01-12 |
DE2731207A1 (en) | 1979-02-01 |
FR2397602B3 (en) | 1980-06-27 |
FI782178A (en) | 1979-01-12 |
NL7708868A (en) | 1979-01-15 |
JPS5419237A (en) | 1979-02-13 |
FR2397602A1 (en) | 1979-02-09 |
BE858415A (en) | 1978-01-02 |
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