turn off desuperheater in winter

turn off desuperheater in wintercfwe radio bingo winnerscfwe radio bingo winners En desuperheater som ogs kalles en vannovnsdesuperheater eller en geotermisk desuperheater bidrar til redusere kostnadene for vannoppvarming og romoppvarming. 10. Since the heat capacity of steam and the heat of vaporization is noted to be 0.5BTU/lbf and 1000 BTU/lbf respectively, the amount of water that is required for desuperheating would be less than the amount that one would guess. No surprise here: It's perfectly OK to turn off your PC using a physical power button on your device.In general, pushing the button once will either put the PC to sleep or begin an automatic shutdown process. During winter, the heat that is available via a desuperheater is at a much lower cost than a standard domestic water heater. Siden varmekapasiteten til damp og fordampningsvarmen er notert til vre henholdsvis 0.5BTU/lbf og 1000 BTU/lbf, vil mengden vann som kreves for desuperheating vre mindre enn mengden man ville gjette. Wouldn't some of these customer(s) also be seeing what I'm seeing? Turn off the water to the building. Anybody have a clue about what might be going on here? Videre anbefales det ogs beskytte temperatursonden med isolasjon der det er belg eller ventiler. Water injection is done in a device called an attemperator or desuperheater. Other than that there would be no harm to the HWG itself (meaning the heat exchanger). It's there to assist in heating the hot water which is already being heated separately by another storage hot water tank. Turn on the desuperheater At this point in the servicing process it's time to turn on the desuperheater and allow it to run with the unit operating. Hvordan fungerer en desuperheater i en kjele? The temperature difference between the discharge from the compressor and the refrigerant condensing temperature will give the available amount of superheat. When the same header gives rise to two or more control valves, it should be ensured that there is no instability inflow due to pressure changes. Fast rekkevidde for strmningshastigheter for kjlevske eller vannsprayif(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'lambdageeks_com-leader-1','ezslot_9',838,'0','0'])};__ez_fad_position('div-gpt-ad-lambdageeks_com-leader-1-0'); 7. Desuperheater-spoler, spesielt den mindre typen har en rr-til-rr-design. An attemporator controls the steam temperature while a desuperheater removes whatever superheat there is in steam and reduces the temperature to a point at or nearly at saturation temperature. 6940M Venturi Desuperheaters and Fig. Den overopphetede dampen mister noe av varmen i turbinen, men ikke alt. You'll notice the sprinkler heads spitting and misting. 6 Click Turn off when prompted. However, there are two types of valves that are commonly used in residential homes . Refrigeration plants with air-cooled condenser s produce a lot of waste energy by dumping the condensation energy to the ambient air. Varmeoverfringshastigheten kes med vann og kjlemiddel i et motstrmsarrangement.if(typeof ez_ad_units!='undefined'){ez_ad_units.push([[300,250],'lambdageeks_com-banner-1','ezslot_4',837,'0','0'])};__ez_fad_position('div-gpt-ad-lambdageeks_com-banner-1-0'); I boligleiligheter eller boliger er en desuperheater buffertank en tank der vannet fra rrledningen strmmer inn i den kommer inn i varmtvannsberederen. Thereby reducing the load on the water heater. Gas or Steam desuperheaters are a must in an LNG plant setting, and for a number of plants, the Komax brand is the only place to turn. In the cooling season on days, which were few, that the heat pump ran for cooling the hot water was considerably hotter. On the other hand, the heat absorbed by the liquid coolant helps it in the evaporation process. The largest expense in the average U.S. home is space heating, which accounts for about 45 percent of annual energy bills [source: Department of Energy]. Det anbefales bruke to propan desuperheatere som fungerer etter samme prinsipp som er redusere temperaturen p den overopphetede dampen. By installing a BPHE desuperheater, a large proportion of this waste energy can be turned into hot water that may be used for many purposes such as: sanitary hot water room heating hot water for processes Contractor says they tell people to turn off the desuperheater in the middle of Winter, unless it looks like a mild Winter. 3. 3. I kraftproduksjonsprosesser er det behov for bde varmeisolering og varmeoverfring, og dette utfres henholdsvis ved bruk av overheting og desuperheating prosedyrer ved bruk av overhetere og desuperheatere. Temperature reduction is done by direct contact between steam and cooling water. 16/06/2022 . Derved reduseres belastningen p varmtvannsberederen. A heat pump with a coefficient of performance of value 4 would help in saving 75% which is a great investment when it comes to the residential or domestic water heater. I have noticed the same thing w/ my water being cooler. (adsbygoogle = window.adsbygoogle || []).push({}); Engineering Mathematics for GATE & ESE (Prelims) 2021 Theory & Previous Year Solved Questions, Powered by - Designed with theHueman theme, Figure 1: A Typical Desuperheating System, Reasoning & Aptitude for GATE & ESE (Prelims) 2019 Theory and Previous Year Solved Questions, GATE STUDY NOTES (Mechanical Engineering), Piping and Instrumentation Diagram P&ID. Desuperheater-rrene er kompliserte. ULTRAMARINESM HP BWT Program Drew Marine pioneered the "modified phosphate-pH treatment" - Utilizes disodium orthophosphate and caustic so that no "free caustic" is generated in the boiler water - Sodium to phosphate ratio is approximately 2.75:1 and provides margin of safety for good control of the program - Went into effect in the marine industry in the 1960's and has Fast rekkevidde for strmningshastigheter for overopphetet damp. Her vil kjlevsken som benyttes vre en vske eller en gass som fr strmme gjennom den ene siden av varmeveksleren mens den overopphetede dampen passerer gjennom den andre siden. According to the U.S. Department of Energy, a family that sets back its thermostat by about 10 to 15 degrees for eight hours a day while sleeping or out of the house can save 5 to 15 percent a year on home heating costs. So in total the desuperheater option will cost you anther $1350 approx. Desuperheating lowers refrigerant temperature and pressure, reducing energy input to the compressor. If your device is frozen or unresponsive, force restart your device. Disse typene overhetere forhindrer akkumulering av vann, som ikke fordampes, noe som er en stor ulempe i de fleste av desuperheterne. Varmen fra den overopphetede dampen gr inn i kjlevsken gjennom varmeveksleren. 3. During winter, the heat that is available via a desuperheater is at a much lower cost than a standard domestic water heater. The convoluted structure of the inner tube promotes enhanced heat transfer per unit length and unit area. | Funksjon av desuperheater i en kjele. Her vil vanndrpene som ikke klarer fordampe sendes tilbake til hytemperaturomrdet hvor de vil bli fullstendig fordampet. Temperaturen p den overopphetede dampen kontrolleres ved bringe dampen i direkte eller indirekte kontakt med en kjlevske. Dec. 27, 2010. A desuperheater performs the role contrary to that of a superheater. Ved oppvarming av vann i boliger eller husholdninger ved bruk av desuperheaters, brukes varmen om sommeren til oppvarming av vannet. P denne mten senkes temperaturen p den overopphetede dampen. An air conditioner does basically the same thing. I notice when taking a shower that the hot water seems cooler when the heat pump has been running some overnight. Use energy-saving light bulbs. In a powerplant with a desuperheater, the accumulation of water near the sides of the equipment can occur due to its continuous operation. Om vinteren er varmen som er tilgjengelig via en desuperheater til en mye lavere kostnad enn en vanlig varmtvannsbereder. The advantage of using Venturi desuperheater is that they can be installed either vertical or horizontal. Part 1: Can the power company turn off power in winter. If you're looking for a sweet spot, in winter keep the thermostat at about 68 degrees F (20 degrees C) when you're home and drop it down to about 55 degrees (13 degrees C) before you go out or go to bed. . I tilfelle det ikke er behov for varmt vann, kan dette systemet omgs, og kondensatoren br ha den ndvendige kondenseringskraften eller -evnen. Nr de er vertikalt installert, er det en betydelig kning i nedtrekksforholdet. It is essential in such cases, to keep the superheated steam pressure constant. If your water is hard, or if you have sediment problems, the desuperheater heat exchanger may need cleaning. www.amicontracting.com Since water is the common fluid that is used in desuperheaters, there are high chances for scaling to take place because as the temperature increases it is difficult to dissolve limestone or calcium carbonate which is the main component of scaling. An inspirational, peaceful, listening experience. De kan brukes under forskjellige miljforhold og kan installeres vertikalt eller horisontalt. cars for sale in atlanta under $2,000. Create crosswinds. It usually consists of a water control valve which helps in attaining a controlled desuperheated flow temperature and negligible pressure drop. First, make changing temperatures easier by investing in a programmable thermostat. Please copy/paste the following text to properly cite this HowStuffWorks.com article: Yes, homeowners can save money on their energy and heating bills by turning the thermostat down. Factors affecting the installation of the desuperheater. On the other hand, the heat absorbed by the liquid coolant helps it in the evaporation process. What's Best, Mr. Green Santa?" This button is in the middle of the page. Thoroughly flush the DVI desuperheater after . Direct contact desuperheater: In this type of superheater, the superheated steam comes in direct contact with the coolant. I would turn off the pump, or disconnect the wires. Further, they are built of heavy materials and do not have any moving parts which could interfere with their proper functioning. En desuperheater utfrer rollen i motsetning til rollen som en overheter. The desuperheater is not there to supply hot water. Nr temperaturen p dampen er hyere enn metningstemperaturen, blir tilstanden til dampen referert til som overopphetet. All you have to do is locate the thermostat in your house and make the necessary adjustments. To cool the superheated . Steam desuperheater function. I et kjlesystem blir energien fra kondensasjonsprosessen til et kjlesystem overlatt til det omgivende miljet eller sluppet ut til en kjleribbe. Most of the devices also let users to store and repeat daily settings and can be changed manually when necessary [source: Department of Energy]. Turning the heat down is easy. During the installation of a desuperheater pipeline, the following precautionary measures need to be followed. Desuperheaters are installed for the effective performance of heat transfer between steam or vapor (saturated, superheated) and water. Dampen som brukes i dette systemet er enten fersk damp eller damp som tappes. It is recommended to turn off the desuperheater during the winter because there are chances of absorbing heat from the pipeline carrying hot water, thereby reducing the efficiency of the system to heat the house during the winters. Vann er vsken som brukes som kjlevske i tilfelle overopphetet damp. Desuperheating is the process of preheating your domestic hot water using discharge gas while in heating mode. If a check valve is present, it must be removed or damage to the desuperheater circulator will occur. How does a pressure-reducing desuperheating system work in a thermal power plant? Desuperheater brukes til utfre desuperheating-prosessen som er redusere temperaturen p overhetingen og bringe tilbake dampen til en mettet tilstand. 6985 Annular Venturi Desuperheaters reduce steam temperature by bringing superheated steam into direct contact with water. The allowable temperature of water to limit scaling would be in the range of 65-700C. The temperature of the superheated steam is lowered using a heat exchanger that uses a coolant to lower the temperature of the superheated steam and is termed as a desuperheater. If my home's air filters are clean when I change them, are they really working? Venturi desuperheaters eller rlige desuperheaters hjelper til med redusere temperaturen p den overopphetede dampen ved bringe den i direkte kontakt med vann. Water is used in most cases as a liquid coolant for superheated steam. Desuperheateren hjelper til med senke den hye temperaturen p dampen til lave temperaturer som vil hjelpe til med utfre den andre prosessoperasjonen p en sikker mte. Desuperheater-kostnaden som kan installeres for boligforml er svrt rimelig og koster omtrent $1350. It then passes this heat through the system, and dumps it into the ground or water or whatever you're using. In order to achieve the higher efficiency of desuperheaters with respect to its design, problems like long startup and shutdown time, the wear of downstream piping and equipment, reduced process efficiency should be avoided. The higher the air temperature rises above typical levels inside the house, the slower it loses energy. I kraftproduksjonsanlegg er rollen til overheting betydelig og dermed overhetere anbefales p det sterkeste. En desuperheater brukes for fjerne varmen som er tilstede i overhetingen og derved redusere temperaturen p overhetingen nr metningstemperatur eller under. It is not feasible to control the flow of superheated steam in these types of processes. That means cleaning filters and replacing them regularly, removing dirt and addressing corrosion on HVAC units. This unit has no output while in cooling mode. Homeowner with WF Envision NDV038 (packaged) & NDZ026 (split), one 3000' 4 pipe closed horizontal ground loop, Prestige thermostats, desuperheaters, 85 gal. For f en bedre forstelse av Desuperheaters, anbefales det lese videre Supvarmeovner. In power generation processes, there is a need for both heat insulation and heat transfer, and this is respectively carried out using superheating and desuperheating procedures using superheaters and desuperheaters. Jobben fullfres ved bruk av overflatekondensatoren som fjerner all dampen fra inngangspunktet og under metningen slik at dampen kondenseres kan brukes til andre forml som inkluderer resirkulering til kjelen eller andre lastuttaksprosesser. Desuperheaters are installed for the effective performance of heat transfer between steam or vapor (saturated, superheated) and water. Remove drain valve and fitting from the water heater. The gas water heater is only a year old so I don't know. Difference: 7.6 degrees F. Disconnect the hose as soon as they run dry. Marathon. That doesn't mean you should shut the furnace or air conditioning unit off entirely before you leave your house, especially if you're going to be gone for a while. 9. what is the use of a desuperheater in a superheater? When Spring arrived and the geothermal system was running much less, I found my hot bath water was scalding hot. It requires more energy to maintain a temperature than it does to reduce the temperature for a period and then turn it back up. This desuperheater (figure 2) is installed through a EN varmepumpe med en ytelseskoeffisient p verdi 4 vil hjelpe til med spare 75 %, noe som er en flott investering nr det gjelder vannvarmeren til boliger eller husholdninger. A hot water spray can be used to remove the water that is accumulated. turn off desuperheater in winterdiscovery turbo shows australia. Desuperheaters are used in boilers to reduce the temperature of the superheated steam that is produced in the superheater for electricity generation. In a refrigeration system, the energy from the condensation process of a refrigeration system is left to the ambient environment or discharged to a heat sink. My hot water never became cooler. 9. The remaining superheat which when exposed to a lower pressure results in entrained droplets of water flashing into steam which causes water hammer and other conditions. So how can I check what is happening? The two main reasons for lower the steam temperature are as follows: 1. For $15 each, get a couple digital meat thermometers and use foil tape to attach their probes to various points of interest. When you reside below ground, as I did until recently in the "English basement" apartment of an urban row house, it can be difficult to keep the joint warm. www.amicontracting.com The superheated steam loses some of its heat in the turbine though not all of it. "Will colder temperatures help you lose weight?" In residential apartments or homes, a desuperheater buffer tank is a tank in which the water from the pipeline flows into it enters the water heater. docjenser, Dec 3, 2015 #4 Temperaturforskjellen mellom utlpet fra kompressoren og kjlemediets kondenseringstemperatur vil gi tilgjengelig mengde overheting. The U.S. Department of Energy's Energy Saver website offers a quick video extolling the setting.. The reason why the superheater is not affected by the heat is that the steam that flows through the superheater cools the metal surfaces and other parts thereby reducing damages to the superheater. It is essential to note if the sizing of the pump is appropriate for heating purposes. Next, make sure your heating and cooling systems are running efficiently to ensure that you're not wasting energy on them. I slike tilfeller er det viktig holde det overopphetede damptrykket konstant. Dig Your Own Comfort. I am pretty sure Geome uses a single tank setup with a timer so that the elements in the tank are off except for certain time frames before times of hot water use. Turn off water supply going to water heater. Fig. I think that's overly conservative. But in a basement where the heat may be limited, one could end up with a cold, dry basement and higher energy costs due to a lack of heat for the Geyser to absorb. The result is typically a 3% to 5% reduction in refrigeration operating costs, enhanced condenser performance and prolonged compressor life. CBS News. In a pressure-reducing desuperheating system which is also known as a PRDS system, the required steam quality of specific quantity, temperature and pressure is released. Plasseringen av en desuperheater i et kjlesystem er mellom kompressoren og kondensatoren for utnytte energien til det overopphetede kjlemediet. Dig Your Own Comfort. What is Distributed Control Systems (DCS) ? Freezing in your own home. Do you either have a water heater timer, or have the lower water heater thermostat set significantly lower than the upper thermostat? A desuperheater control valve helps in controlling the temperature and pressure by adjusting the valve openings depending on the saturation temperature. BTW: The installer has never made mention (before, during or after) that I might need two hot water heaters! Dec. 16, 2013. En desuperheater-spraydyse hjelper til med kontrollere overhetingen ved regulere kjlevannet som skal sprytes gjennom dysene i designet. To turn off your PC in Windows 10, select the Start button, select the Power button, and then select Shut down. En fysisk modell m vre p plass for spray-, fordampnings- og forstvningsprosessen ved desuperheating. 6. The spray water comes from either an intermediate stage of the boiler feedwater pump (for reheater spray) or from the pump . A desuperheater is used for removing the heat that is present in the superheat thereby reducing the temperature of the superheat close to saturation temperature or below. johncomyn ~ I am a homeowner (not an expert) who had geothermal through last winter in a heating dominated area (Upstate NY). Transvac direct contact steam Desuperheaters (sometimes known as attemperators) are used as a method of steam temperature control, reducing the temperature of superheated steam. VerticalScope Inc. All Rights Reserved. Yes it does. overcome hurdles synonym LIVE - Steam Letdown station - Boiler feed water calculation Aspen Hysys Pressure Reducer Desuperheater Steam Pipeline simulation with ASPEN HYSYS. During summer your geothermal heat pump cools your home by drawing heat from the interior air. 5. John, I'm not an expert either, but we have a single tank setup too. The issue is in COOLING mode, not heating mode. 5. I'm happy to report that I'm now firmly four floors above ground. The only thing that I could think of would be a lower temperature in the basement, but I don't think that would make a large difference. The two fluids are mixed at controlled measures to obtain the steam at specific pressure and temperature. Varmen som avvises benyttes av en i desuperheater varmtvannsoverheter. Turning Off Your Hot Water Heater. After determining that the pressure difference between the entering and leaving water pressure was too high, the tech adjusted the entering water pressure (coming from my closed ground loop) by reducing the incoming flow so that the pressure difference was somewhere between 2.5 and 3.0 psi instead. 6940 and Fig. Programmable thermostats are less helpful and may actually prove more costly for people who rely on heat pumps to warm their homes. The steam is cooled through the evaporation of the water. Faktorer som pvirker installasjonen av desuperheateren. I just thought it was weird timing. Den tillatte temperaturen p vannet for begrense skalering vil vre i omrdet 65-700C. Ensure that an appropriate amount of cooling is available i.e. Downstream to the valve, it is suggested not to rise the piping alignment to avoid the collection of condensates. Desuperheaters are mainly of two types i.e., a direct contact type superheater and an indirect contact superheater which are explained in detail below: 1. EWP - Entering Water Pressure (bottom line): 52 psi. For gjenvinne spillvarmen anbefales installasjon av en desuperheater p det sterkeste, slik at avfallstapet kan minimeres. Sure, it seems kind of strange to heat a home that no one's using and, of course, adjusting the thermostat downward saves money that would otherwise go to keeping the place at a reasonable temperature during these times. What keeps a superheater from being damaged by heat before a boiler makes steam? And don't forget to turn off the lights when you leave a room and turn off your television and computer when they are not in use! https://neada.org/wp-content/uploads/2022/09/winter2022-23PR.pdf, Sierra Club. Check the water temperature of the desuperheater with your hand or an infrared thermometer, or clamp a temperature assessing device to the pipes. A larger loopfield is usually beneficial, but it can result in the loopfield warming up slower, so you don't have enough desuperheat. That's where knowledgeable professionals should be hired to help guide the project. On the other hand, the heat absorbed by the liquid coolant helps it in the evaporation process. Rather than risk your water heater not turning back on, just leave it on while you're away and pay the extra $5 you would have saved by turning it off. Desuperheater damptemperaturen vil bli satt over 3 grader av metningstemperaturen. If the condensate source is a high efficiency furnace, it is not suitable for humidification, the liquid is not only water, but also contains other byproducts of combustion and should be discharged into sanitary drainage. worth the trouble? 9. hva er bruken av en desuperheater i en superheater? The same goes for cooling costs: Keep the house warmer than normal when you're not home and try to leave the thermostat at around 78 degrees F . EWT - Entering Water Temperature (bottom line): 45.5 degrees F. Siden vann er den vanlige vsken som brukes i desuperheaters, er det store sjanser for at avleiring finner sted fordi nr temperaturen ker er det vanskelig lse opp kalkstein eller kalsiumkarbonat som er hovedkomponenten i avleiring. This action resulted in the following revised readings the tech measured before he left: The desuperheater helps in lowering the high temperature of the steam to low temperatures that will help in safely carryout the other process operation. Disse kravene oppfylles vanligvis i applikasjoner som gjenoppvarmingstemperator, bypass-prosess i turbiner, og under behandling av damp for eksport. The downstream equipment is designed to handle lower temperatures hence it is essential to lower the temperature of the steam. In a desuperheater, the heat from the steam is not being used and contributes as waste heat which needs to be recovered through integrated systems. maybe your water heater stopped working properly and so you are only using the temperature the desuperheater is putting out. One thing we noticed is when the geothermal system (and desuperheater) runs for short periods of time, it mixed the colder water at the bottom of the water heater with the hotter water at the top of the tank. You've probably read or heard that a heating unit has to work harder to warm up a cold house than to maintain the temperature in an already cozy space. En desuperheater er vanligvis plassert nedstrms fra kjelen hvor mettet damp vil vre nyttig. Vann brukes i de fleste tilfeller som flytende kjlevske for overopphetet damp. Mengden vann som kreves i en desuperheater avhenger av mengden overheting eller temperaturgrader som m senkes og avhenger av trykket i damphodet. Your home's outdoor water shut-off valve is usually located near the ceiling, on the inside of the wall where the outdoor faucet is located. Nr den passerer gjennom desuperheateren, forlater eller fordamper kjlevsken fra blandingen ved absorbere varme fra den overopphetede dampen. But it's only to assist in heating the water of the already exisiting hot water heater. LWP - Leaving Water Pressure (top line) 42.5 psi. In power generation plants, the role of superheat is significant and hence superheaters are highly recommended. 2. direkte kontakt desuperheater: I denne typen overheter kommer den overopphetede dampen i direkte kontakt med kjlevsken. Pour RV antifreeze into every waste trap, including the toilet bowls. Nedstrmsutstyret er designet for hndtere lavere temperaturer, derfor er det viktig senke temperaturen p dampen. Evaporation of cooling water sprayed into steam takes excess heat from superheated steam and brings it to saturation temperature level. Difference: 3.0 psi. Maximum unit Cv is 15.0. I haven't talked to my installer yet because I wanted to see what happens as it gets colder. While an attemperator is allocated close to the boiler where high temperatures could have an impact on the walls or surfaces which would, in turn, have an impact on the process operation. Of course, it's possible that the smaller tank could have a better first hour rating and recovery rate, but I'd check the specs to be sure. 28 February 2014. "Turn the Heat Down, or Leave It on When Gone? The water droplets are directly injected into the flow of superheated steam through a spray nozzle. These types of superheaters prevent the accumulation of water, which is not vaporized, which is a major drawback in most of the desuperheaters. Measure temperatures at the Heat Pump DSH in and out? (before the tech touched anything): Desuperheater for indirekte kontakt: I denne typen desuperheater kommer ikke kjlevsken i direkte kontakt med den overopphetede dampen. Inspect the nozzles or spray orifices. 6950, Fig. The longer the house remains cold, the more energy it saves compared to the energy lost that comes when the heater is humming along at its normal temperature [sources: Department of Energy, Sierra Club]. Last winter I had plenty of hot water, as a matter of fact, I noticed that I had less volume of hot water when the geo system was not running in the spring, but I've never noticed a "cooler water" situation. I de fleste desuperheaters er temperaturen p utlpsvsken innenfor 3 grader fra metningstemperaturen. 2. The orientation of desuperheaters might affect the speed of vaporization while spraying droplets into superheated steam. I et propankjlesystem brukes vann til kondensering av propanen etter kompresjonstrinnet. Method 2 Using Control Panel 1 Open Start . Once fully drained you can move on to step 4. Turn on each faucet and run them until no more water comes out. Foundation Check 1319 FM 1960 West, Suite 160 Houston, TX 77090, USA Phone: 346-702-3825 Fax: 832-422-4116 LWT - Leaving Water Temperature (top line): 37.9 degreees F. Desuperheater brukes til utfre desuperheating-prosessen som er redusere temperaturen p overhetingen og bringe tilbake dampen til en mettet tilstand. We are very happy with a one tank setup, but two tanks are definitely better if you don't mind a second water in the house. Here the coolant employed will be a liquid or a gas which is allowed to flow through one side of the heat exchanger while the superheated steams pass through the other side. Further, the convolutions that are offered by the coils promote turbulence which also contributes to the increased thermal efficiency.

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