1. What is a heat pump? How many types of heat pump? Answer: Heat pump is a kind of high-grade heat equipment that can obtain low-grade heat from natural air, water or soil. It can be divided into air source heat pump, water source heat pump and ground according to different sources of heat. Three types of source heat pumps. The name of the heat pump vividly compares its principle, that is, it is a "pump" that carries not water, gas, oil but "hot". It is not a thermal energy conversion device but a heat transfer device, so its efficiency is not limited by the energy conversion efficiency (100% limit). Second, according to what principle of heat pump heating? Answer: The heat pump equipment is specially equipped with a heat absorbing medium--refrigerant. Its evaporation temperature is lower than minus 20 °C and there is a temperature difference between the outside temperature and the outside temperature. Therefore, the refrigerant can absorb the external heat energy, evaporate and vaporize inside the evaporator, and pass the heat pump. The operation of the compressor in the equipment increases the temperature of the refrigerant, and then the refrigerant is converted from the vaporization state to the liquefaction state through the condenser. During the conversion process, a large amount of heat is released and transferred to the reserve water in the water tank to raise the water temperature. To achieve the purpose of making hot water. 3. Is the heat pump water heater a solar product? What is the difference between it and a solar water heater? A: In a broad sense, heat pump water heaters are solar products. From the working principle, they are not traditional solar products. It is essentially different from conventional solar water heaters, mainly in the difference of working principle: conventional solar water heaters must rely on direct sunlight or radiation to achieve heating effect, while heat pump should be based on Carnot principle to heat and cool. The agent absorbs the heat energy and the solar radiation energy in the air and exchanges heat with the compressor to exchange heat with the water to achieve the heating effect. 4. Do you have to use electricity when the heat pump water heater is running? A: Yes. The heat pump water heater needs to consume a small amount of electric energy to make the machine work to absorb the heat energy in the external environment, and release the hot water, but unlike the conventional electric water heater, the water is directly heated by electricity, so the electricity consumption is small. Its efficiency is not limited by the energy conversion efficiency (100% is the limit). 5. What are the main features of the heat pump water heater? Answer: The main features of heat pump water heater are: high efficiency, energy saving, green environmental protection, safe and reliable, intelligent operation, easy installation, long-lasting durability and wide application. 6. What is the power consumption of a ton of hot water produced by a heat pump water heater? Answer: The heat efficiency values ​​of heat pumps in different regions and seasons are different. At an ambient temperature of 20 ° C dry bulb temperature, the thermal efficiency of the heat pump is about 350%-500%, and the water consumption is about 7-12 °C when the water temperature is raised by 40 °C. 7. What temperature range is the heat pump water heater suitable for? Answer: The heat pump water heater is required to be used in the ambient temperature range of 5-45 °C. When the temperature is lower than -5 °C, the COP value is lower and there is no significant energy saving effect. 8. Which places are the heat pump water heaters suitable for? A: The scope of application of heat pump water heaters is very wide. There are various types of commercial machines that can be used for centralized water supply in schools, hospitals, factories, hotels, hotels, beauty salons, swimming pools, and collective dormitories. There are also various models designed for families and villas. A model of home machine. 9. What are the disadvantages of air source heat pump water heaters? Answer: The air source heat pump water heater mainly has the following two disadvantages: 1 The heat pump is an energy-saving product with obvious effect, but it needs to consume some conventional energy (electric energy), and the non-electricity area is not available; 2 when the ambient temperature is low (-5°C) The following), the energy saving effect is not obvious. 10. What is the relationship between air source heat pump water heaters and solar water heaters? A: Both are energy-saving, environmentally friendly, and safe products (solar heats are affected by the weather, and conventional solar energy is needed when the sun is not bright enough). There are pros and cons in terms of performance, each with a short length. Their mutual relationship should be complementary rather than whoever replaces who. The ideal situation is to use the two together. Although the one-time investment is larger, the energy-saving effect is more remarkable, and the overall economic benefits are better. [Scan the QR code below, pay attention to the WeChat public number "Jiuzheng cabinet network "; you can view the popular article "The cabinet people no longer dare to take orders at low prices, because... " , want to communicate with peers to join the Jiuzheng building materials cabinet Exchange group We are factory which specializing producing and distribute hot melt Glue Guns. Main category include 10W, 20W, 40W,60W,100W,200W, 250W with cord and cordless glue guns. All glue guns been GS,CE,KTC, SAA, CSA,INMETRO approval. High Quality Hot Melt Glue Gun Glue Guns, Industrial Glue Gun, Hot Melt Glue Gun, Silicone Glue Gun Ningbo Kingvos Electrical Appliance Co.,Ltd , http://www.kingvos.com
Our Professional Glue Gun designed for many applications. Fastening various materials such as paper, cardboard, fabric,wood, lace,trims,leather,metal,glass, tiles, rubber, ceramics and flooring etc. Ideal for hobby and household repair,DIY craft projects.