In the current sluggish shipping market situation, shipyards and shipowners no longer only pay attention to diesel engine order prices when choosing host suppliers, but focus more on product quality, technical support, compliance and after-sales service. strength. All the time, Nantong COSCO Kawasaki has strict requirements on suppliers, and this time, it has chosen to build 7 sets of 6S50ME-B mainframes in Hudong Heavy Machinery, which fully demonstrates its trust and affirmation of Hudong heavy machine brand and comprehensive strength.
According to reports, the Hudong heavy machine has obtained bulk orders, which is also the result of the cooperation of all departments of the company and resolutely implement the marketing strategy of all employees. In the future, the company will continue to respond to market changes in a timely manner, gain an in-depth understanding of customer needs, effectively enhance the company's comprehensive competitiveness, and continuously expand market share, further strengthen and strengthen the main business of medium and low-speed diesel engines, and consolidate the leading position in the industry.
Noise standards for six categories of small Home appliances will be officially released soon
Recently, the mandatory national standard GB19606-2004 noise limits for household and similar electrical appliances, which was officially implemented on August 1, has added a new "d", including air purifiers, dishwashers, vacuum cleaners and water absorbing cleaning appliances, electric kitchen appliances, food shredders The special requirements for noise limits of six types of small household appliances, humidifiers, are currently in the stage of online publicity of WTO / TBT and will be officially released soon.
The draft for approval of the special requirements for noise limits of these 6 types of products stipulates that all technical contents of the standard are mandatory. The specific noise value must be marked on the nameplate or operation manual of category 6 products, and the deviation between the measured value and the indicated value shall not exceed 3 dB (a), and the maximum shall not exceed the standard limit value. Li Yi, director of the national household appliance Standardization Technical Committee, said that enterprises should pay more attention to this series of standards. As a national mandatory standard, once formally implemented, enterprises and businesses involved in these six types of products should act in strict accordance with the laws and regulations and express the noise value of products in time.
The draft of special requirements for humidifiers with noise limits for household and similar electrical appliances for approval stipulates that "the sound power level noise of humidifiers shall meet the regulations." the special requirements for food blenders with noise limits for household and similar electrical appliances are applicable to food blenders with rated voltage of 220V and rated power of no more than 700W, For household and similar purposes, the motor drives the blade in the container to rotate at high speed to stir or crush food. Appliances with a rated power of more than 700W are under consideration. The noise limit requirements include the noise value requirements of immersion food crusher and solid food crusher. It is specified that the noise limit of immersion food grinder is: the noise value of appliances with power ≤ 400W shall not exceed 90dB (a), and the noise value of appliances with power ≤ 400W shall not exceed 90dB (a); The noise limit of solid food crusher is: the noise of appliances with power ≤ 400W shall not exceed 100dB (a), and the noise of appliances with power ≤ 400W shall not exceed 105dB (a).
The special requirements for noise limits of household and similar electrical appliances and electric kitchen appliances are also applicable to appliances with motor rated input power not greater than 700W, and the requirements for appliances with power above 700W are also under consideration. According to Li Yi, this standard is applicable to electric kitchen appliances other than food shredders, such as soybean milk machine, juicer, etc. The standard specifies specific noise limits.
The noise limits of household and similar electrical appliances, special requirements for vacuum cleaners and water absorbing cleaning appliances, are only applicable to vacuum cleaners and water absorbing cleaning appliances (including their accessories and components) used in families and similar occasions. The requirements for product noise limit are: if the rated input power of vacuum cleaner is ≤ 1000W, the noise limit shall be ≤ 84dB (a); For rated input power ＞ 1000W and ≤ 1400W, the noise limit is ≤ 86db (a); For rated input power ＞ 1400W, the noise limit is ≤ 90dB (a). The noise value of water absorbing cleaning appliance shall not be greater than 90dB (a).
The noise limits of products are also specified in the special requirements for dishwashers and the special requirements for air purifiers. Among them, the sound power level noise of the Air Purifier shall comply with the provisions in Table 3. The noise limit value of the sound power level of the standing dishwasher shall not be greater than 61db (a), the desktop dishwasher shall not be greater than 65dB (a), and the embedded dishwasher shall not be greater than 58db (a).
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