The refrigerators are buzzing as soon as they open, compressors and condensers are hot enough to fry eggs, but the waste heat is scattered into the air. A residual heat recovery programme can turn these heat into available hot water, without additional heating, and save enough to buy two boxes of milk a year。
How much heat is hidden in the refrigerator's heating parts
When the refrigerator compressor operates, the circuitary resistance and piston friction generate a large amount of heat and are discharged outside the box through the condenser. The surface temperature of the condenser is usually between 50 and 70 degrees celsius, with an ordinary domestic refrigerator compressor working cumulatively for four to six hours a day, and the disassembly heat or power is about two kilowatt hours, equivalent to one hour for a 2,000-watt heater。
These heats were blown to the kitchen or living room by condensers in the summer and the indoor air was heated directly in the winter, largely thrown out of use. The central idea of the patent scheme is to give the compressor and condenser a layer of containers outside, so that the circulation water takes the heat away, not the air。
Refrigerants are just heaters, not heat
Many people feel that refrigerators rely on refrigerants for evaporation, whereas refrigerants are more like couriers, moving the inside heat outside the box, which does not produce the heat itself. The real source of heat is the conversion of the compressor to mechanical energy to heat, which represents about one third to one half of the cooling volume and is stacked on the compressor shell and condenser。
So recycling waste heat captures two hot vents: compressors and condensers. The patent says it is best to have both heating and distillation systems, but if the structure is simplified and can be used for only one of them, recovery efficiency will be reduced, approximately 30 per cent less, and daily boiling water will be sufficient but not optimal。
How does the system turn waste heat into hot water
The heater is in two categories. Indirect heat-sorting types include spiral tubes, flat plate tubes and active water tanks, which are placed in containers with copper or aluminium tubes outside the heating component, do not have direct contact, are ready to be dismantled and fit for existing refrigerators. The direct heating type consists of a water kit, a tube and a fixed water tank, and there is a layer between the heat components, with large and more efficient heat exchange areas, but higher insulation and sealing requirements。
The water cycle is driven by hot rainbows and does not require additional pumps. Under-heat absorbers enter water, upholes come out, water becomes less dense when it is heated and naturally rises, flows into the upper conservatory drums or cooling tanks, cools with larger density and sink, forming a continuous cycle, simple structure, low failure points and low maintenance costs。
The temperature valve is the brain of the entire system
Temperature-controlled water valves determine whether the water travels by a concentrated or dispersible path, with three power sources. Gas expansion is driven by a mini-gas pump to pressure the temperature probe, double-metal tablets by temperature transformation to pull the wire, and a thermomagnetic steel is replaced by magnetic pull-through fork. The electromagnetic programme uses two electro-magnets with forklifts and double-connected switches to switch to the bottom, with minimal effort and suitable for domestic use。
The temperature of the valves is critical, and the road to the condenser is generally about 45 degrees celsius and the road to the thermobarb is slightly higher. The water valve is a two-stage three-pronged structure, with the same valve cutting round and round between heating and dissipation, saving one valve from a leak hazard, making it easier to connect the tube when installed, and not replacing two valves for later overhaul。
The package or the combination
The piping of a spiral tube and a piping container is controlled by a half-turned or rectangular copper tube, aluminium, which can be used outside the compressor or condenser without changing the internal structure of the refrigerator. This design is most suitable for after-sale loading, which can be sold by the manufacturer alone, and can be installed by the user himself, and can be completed in 20 minutes, without prejudice to refrigerator maintenance。
Water holsters and stationary tanks need to be cast or welded together with compressors or condensers. They are made in one form, with large, sealed areas in exchange for heat, but can only be assembled when the new refrigerator is out of the plant. The two can be sold as a combination of refrigerator heaters or as stand-alone parts, with a high degree of flexibility。
Aqueous dispersing energy instead of traditional fans
Traditional refrigerators use condensers' fans to blow heat to the back or the bottom, and in the summer, when ambient temperatures are high, the heat-dissemination falls straight, compressors have to operate with additional power and electricity consumption. When replaced by a water cooling-dispersion system, the water continues to draw heat from cooling tanks, does not select ambient temperatures, the compressor loads are stable, the life of the compressor is extended considerably and the noise is much smaller。
This water cooling system can be directly matched with existing water-storage electric heaters, and the water from the refrigerator is pumped into the water heater tanks, amounting to a free heating source. Water heaters retain auxiliary electro-heating or gas-heated heats, both temperature-controlled probes are controlled separately and do not interfere with each other, hot water is warm in the winter, and electricity and gas costs are saved。
Is the condenser behind your refrigerator hot? Would you like to try adding one if you use the refrigerator to burn hot water? The comment area will talk, and it will be useful to order a compliment to a friend in the process of renovation。
