Topic I: Astronomical prices scare off consumers “60.7% of consumers in large cities in China want the drum washing machine to have a drying function,†State Council Development Research Center released in the “China City Drum Washing Machine Usage and Demand Situation, 2005 "Research report" shows that after years of cultivation, the domestic drum washing machine market has entered a period of steady growth, washing and drying of drying drum washing machine is increasingly favored by most urban consumers.
However, the price of washing and drying machines is difficult for consumers to enjoy. For example, the sky-high price of RMB 15,000 for a certain dry cleaning machine makes ordinary consumers speechless. It is reported that the current price of this product is between 4,000 and 15,000 yuan, which has also deterred many consumers.
Second: Drying Technology China encounters a "stumbling block"
At the same time, as an ultra-high-end product in the washing machine market, the drum drying technology has encountered a “stumbling block†in China. According to industry experts, most of the dryers entering the Chinese market are based on traditional drying techniques from abroad, and do not fully consider the usage habits and actual use environment of Chinese consumers. This has led to the development of a good foreign dryer in China. "Affordable" troubles.
It is reported that most of the dryers have the problem of not completely drying or drying clothes, and the drying time is relatively long, but consumers do not have much right to know about this, and they often spend a high price but may not be able to buy it. Dryer.
In order to increase consumer confidence, some brands have even resorted to the 10-year warranty and ultra-low-cost signboards in an attempt to restore the adverse effects caused by unsatisfied products. This has caused some chaos in the market and the market for washing and drying integrated machines has always been filled with Thick smell of gunpowder.
Thirty-three: Dryer suffered "bake up"
The recent debate on true and false drying has become increasingly intensifying. Experts pointed out that the root cause is that as of now the country has never issued a national standard for tumble dryers. Because there are no restrictions and restrictions of the national standards, some brands entering the Chinese market do not make any technological transformation of the dried products, trying to gain a share by virtue of their brand influence and consumers' ignorance of the products.
The first is the drying time. According to reports, currently on the market part of drying the washing machine uses the timer drying principle, but also need to manually adjust the drying time, once set must follow the fixed time mode to run. This can easily lead to sometimes baking, and sometimes the case of bad clothes often occurs. This pattern obviously does not meet the consumer's "wash and wear" requirements for the dryer.
In addition, the industry also questioned the uniformity of drying. Experts explained that traditional dryers use a constant temperature timer to control the drying time. Regardless of the degree of dryness and humidity of the clothes, they are fixed drying temperatures. The clothes can easily damage fibers, fade, and the more drying times, the faster the clothing damage. In addition, this kind of dryer has only one kind of drying mode, cotton and chemical fiber must be separately dried, it is easy to cause the unevenness of drying, so the evenness of drying may also include the clause of the performance experiment.
Standards are about to break into the "hard index"
The reporter learned from a person attending the Zhuhai meeting on February 23rd that the day included the Secretary-General of the National Committee for the Standardization of Household Appliances Cleaning Equipment, Secretary General of the National Household Electrical Appliances Quality Supervision and Inspection Center Lu Jianguo and the development of Haier washing machines. The company's general manager Lu Peishi and other well-known figures from the industry participated in the review of the national standards for the tumble dryer. The main reference for this standard is the International Electrotechnical Commission's IEC 61121 (2002-07) version of the “Drum Dryer Performance Test for Householdsâ€. The method is basically adopted. As long as it is submitted to the National Standardization Technical Committee for Household Appliances for approval, the national standard of the tumble dryer will be born soon.
After the birth of this national standard, all tumble dryers and dryers in the drying section must perform this standard. According to expert analysis, the introduction of the drying standard will undoubtedly cause turbulence and reshuffle in the entire industry.
According to industry analysts, 2006 will be a watershed for the washing and drying machine. With the introduction of the drying standard, market competition will be more brutal. Foreign brands that partially ignore China's home use environment and disregard individual consumer needs may increase R&D. In order to establish a research and development center based in China, the pressure on domestic brands will increase at an unprecedented rate. In the end, it is a sudden death. It is still unknown.
The dryer is a kind of mechanical equipment that uses heat energy to reduce the moisture content of materials. It is used to stop the drying operation of objects and vaporize the moisture (usually moisture or other volatile liquid components) in the materials after heating to obtain solid materials with regular moisture content. The purpose of drying is to meet the requirements of material application or further processing.
The future development of dryers will develop and improve dryers under the conditions of deepening the study of drying mechanism and material drying characteristics, and controlling the operation conditions of different materials; In addition, large-scale, high strength, high economy, and improved compliance with raw materials and quality are the fundamental trends of dryer development. Now let's introduce the function, working principle, classification, operating procedures, selection instructions and cleaning methods of the dryer.
The dryer acts as a refrigeration compressor to suck the low pressure (low temperature) refrigerant in the evaporator into the compressor cylinder. The refrigerant steam is compressed, and the pressure and temperature rise at the same time; The refrigerant steam with high pressure and high temperature is pressed to the condenser. In the condenser, the refrigerant steam with higher temperature and cooling water or air with lower temperature stop heat exchange.
The heat of the refrigerant is taken away by water or air and condensed, and the refrigerant vapor becomes liquid. This local liquid is then sent to the contraction valve, which is throttled into a low temperature and low pressure liquid and enters the evaporator; The low temperature and low pressure refrigerant liquid in the evaporator absorbs the heat of the compressed air and vaporizes (commonly known as "evaporation"), while the compressed air condenses a large amount of liquid water after cooling; The refrigerant steam in the evaporator is sucked away by the compressor.
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