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Centrifuge for edible oil refining

2009-03-11View Original

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At present, the centrifuges used in domestic edible oil refining are mostly of two types: those from German companies Weser and Alfa Laval; I rarely see domestically produced ones. Are domestic centrifuges really that poor in quality?
Reply #22009-03-31
The domestic small-scale ones are okay, but their production volume isn’t high enough; they lack real R&D capabilities. For large-scale products, it still has to be the two foreign brands you mentioned
Reply #32009-04-01
Foreign countries are indeed more professional in this regard, but Chinese companies are willing to pay high prices to speed things up, which keeps the costs of domestic production relatively low. Moreover, manufacturing firms lack the capability for development, and it is difficult to operate in the equipment industry in China
Reply #42009-04-17
Yes, the development of industrial equipment is a challenging task; often, significant costs are incurred to develop such equipment, only for a few units to be sold. As a result, the production lines cannot remain operational, and sales performance is greatly affected by this situation. Companies prefer to engage in industries where it is technically easier to meet the required standards, such as wastewater treatment; one type of machine can be used for various processing methods, which naturally saves on research and development costs. Research and development, however, is like the lower limbs of a paralyzed patient – it atrophies, then dies and becomes useless, or it may even have to be completely removed. The treatment given to equipment used in production and for environmental protection is completely different; the former is intended to generate profits, while the latter involves pure expenses. Naturally, the criteria used to assess cost-effectiveness also differ. For many production lines, the processes or technologies used are of foreign origin for various reasons; even the funding comes from abroad, and it’s common to choose foreign equipment as well. Nevertheless, it is undeniable that once monopolies are broken, there are promising prospects for domestic equipment manufacturers. This post was last edited by api4819 on 2009-4-17 10:21.]
Reply #52014-11-14
High-speed disc centrifuges are very dangerous, as they operate at extremely high speeds. If their reliability is not guaranteed, any problems that occur during operation can lead to serious consequences. I think the issue in China isn’t technical obstacles, but rather a lack of users willing to provide sites for such industrial trials. For example, the centrifuges we use for nuclear materials are devices developed through independent research, and their level of technical complexity is much higher than that of such civilian centrifuges. It’s because the military industry is special; it has test sites. When it comes to the refining of edible oils, any factory that is willing to conduct experiments for domestic companies must take into account the risks of success or failure; in the end, it is someone who is willing to pay to take on those risks. The military industry failed – **they have to take the blame.** Of course, some large state-owned enterprises do have the capability to achieve such localization; for example, CNPC didn’t it assist Shenyang Steam Turbine in testing the localization of large compressors and nuclear main pumps? I also make ALFALAVAL centrifuges. What is your organization?
Reply #62014-11-14
As I said before, you get the quality you pay for. Do you expect a domestically produced machine priced at 200,000 to compete in terms of quality with an Alfa Laval centrifuge that costs 2 million? The price difference is 10 times! It can only be said that domestic equipment is superior to imported equipment in terms of price and cost-performance

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