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Review and Prospect of Horizontal Screw Centrifuge

Time: December 26, 2023 View:

key word: Horizontal screw centrifuge    Horizontal centrifuge   

I. Basic condition China was imported by a state-owned enterprise in the 1970s Horizontal screw centrifuge Surveying, mapping, copying and being included in the national "Seventh Five Year Plan" scientific and technological research project. Production of 420 type large cone angle in 1989 Centrifuge , used for xylitol processing, and made a prototype in 1992. Since then, we have developed several specifications of horizontal screw centrifuges in other manufacturers, which have been successfully applied to production. For more than 20 years, due to the gradual separation of investment subjects from the state-owned enterprise sequence after the economic system transformation in China, the post investment subjects lack foresight and economic strength, and are eager to produce existing models for quick success and instant benefit. Even if there are improvements, they are only minor changes, such as temporarily reducing the vibration intensity and noise, etc, The quality of the whole machine, that is, the processing effect of the centrifuge, has not been improved in quality. After all, it follows the footsteps of others and cannot break through Horizontal spiral centrifuge technology Bottleneck is like playing a game and chasing a race in a circle.

II. Market composition

Market capacity and demand trend analysis of horizontal spiral centrifuge products, dynamic data are only for reference.

1. Market demand of centrifuge

Urban sewage treatment dosage model Enterprise sewage treatment dosage model Central enterprise sewage treatment dosage model

40000 sets above LW500 80000 sets below LW430 3000 sets above LW500

Market space 40% Market space 55% Market space 50%

Market surplus capacity: 16000 sets Market surplus capacity: 44000 sets Market surplus capacity: 1500 sets

Total remaining market capacity: 61500 sets

2. Distribution and analysis of manufacturers

Jiangsu centrifuge capacity Zhejiang centrifuge Capacity Centrifuge capacity in Shanghai and other places

Number of plants Number of plants

18 1300 sets/year 16 1100 sets/year 16 1700 sets/year

Excellent company Excellent company Ningbo company, etc. Excellent company Guangdong company, etc
Representative product Representative product of Haishen brand Centrifuge Representative product Andritz

Product characteristics Low end product characteristics Low end plus 8% Mid end product characteristics Low end plus 6% High end

Annual sales: 325 million; annual sales: 320 million; annual sales: 530 million

At present, the annual output of decanter centrifuges in China is about 4100 sets, realizing about 646 million profits and taxes

Market trend analysis of centrifuge

From the two indicators of the total market surplus capacity and manufacturer distribution in the centrifuge market demand column and the current annual output of the national decanter centrifuge in the analysis column, the centrifuge has a market opportunity of more than ten years of strong demand, with a large market space.

At present, 90% of the centrifuges produced in China are low-end products, so there is a huge space for manufacturers of horizontal spiral centrifuges to research and develop medium and high-end centrifuges.

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3. Self seeking breakthrough The research and development and commercial manufacturing of horizontal spiral centrifuge in China have had the industrial foundation of low-end products for more than 20 years, and even a few enterprises can manufacture mid-range centrifuges; However, with the deepening of industrialization and urbanization, the demand market for centrifuges in China has become more and more extensive. At the same time, unknown markets are constantly being explored; It is also due to the enhancement of the overall national economic strength and the synchronous improvement of modern industrial civilization, the vast number of centrifuge users will be almost strict with the quality requirements of product separation, namely, service performance, etc., and will no longer stick to the narrow thinking mode of one-sided low price purchase of equipment, just as the people of modern life are pursuing brand living goods and high-end cars. Therefore, from these three aspects, the decanter centrifuges with poor performance or quality will eventually be abandoned by the vast number of users, including those who used to and are now keen on purchasing low-grade centrifuges, and the enterprises that manufacture these centrifuges will also survive and perish, replaced by first-class centrifuges, first-class enterprises. At the same time, After nearly three decades of hard self-improvement and development by numerous manufacturers, the centrifuge industry in China has in fact generally had the subjective desire to change from quantitative to qualitative, except for the lack of high-end technology as a support. In addition, government functional departments will also organize technical forces at an appropriate time, from social safety production Centrifuge manufacturing quality and scientific utilization of rare metal material resources will guide, supervise and integrate horizontal spiral centrifuge manufacturing enterprises from multiple perspectives. At that time, some enterprises with backward technology will be eliminated from the market. Manufacturers who are brave in exploring and investing will take the lead and dominate the horizontal spiral centrifuge industry. Therefore, the manufacturers of horizontal spiral centrifuges must look beyond the cocoon to see the world in the future, carefully feel the pulse and position the company's centrifuge products from the perspective of crisis and sustainable development, get out of the strange circle of low value-added commercial competition relying on products, step into the track of a virtuous circle, and ascend to the top enterprise.
 

Since the State Council issued the policy of stimulating domestic demand at the beginning of 2008, the whole national economy has been steadily growing, especially this year's industrial economic growth has increased significantly. It can be proved by the actual production and sales situation of a certain company in our decanter centrifuge manufacturing industry. Before 2007, the company had more than 40 employees, with an annual production of more than 40 centrifuges and a sales revenue of 5 million yuan. At the end of the year, after the company was separated from the original partnership, the company built a new factory covering 20000 square meters (note: the Italian Chinese invested in the new factory in 2006), which was opened in the middle of 2008. At the end of the year, more than 30 centrifuges were produced and sold, with 20 employees. In 2009, the company went ahead with the trend and increased its investment scale. It produced and sold more than 70 centrifuges, with an output value of more than 25 million yuan, profits and taxes of more than 12 million yuan, and the number of employees increased simultaneously. By the end of July this year, the company had adjusted its models slightly to meet the market demand, and had achieved sales revenue of more than 15 million yuan, per capita wages of 80000-10000 yuan/month, and a workforce of more than 30 people. Along with the improvement of the company's sales performance, the continuous improvement of the centrifuge structure and the steady improvement of the manufacturing quality.

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While reviewing and summarizing the growing development of the centrifuge industry, we compared these products with domestic and foreign excellent similar products in an all-round way. As disclosed in the relevant data, the relationship between the prices is 1:2:3, that is, the sales price of our centrifuges is only 1/3 of the sales price of foreign centrifuges of the same type. Taking LW430 centrifuge as an example, Our sales price is about 400000 yuan, and the sales price of foreign LW430 centrifuge is about 1.4 million yuan, and the price is firm. Its cost is four times that of domestic centrifuges, and its profit is 3-4 times that of our centrifuges. It is understandable that such centrifuges have stable use performance and good treatment effect. It is clear from the comparison that, of course, it is precisely because of the lag of our product structure and manufacturing process that the structural design and manufacturing process design of subsequent centrifuges have a huge room for growth. To be exact, it has given centrifuge manufacturers a huge room for profit growth. In order to solve the contradiction between the low added value of most domestic centrifuges, this column of engineering and technical experts of horizontal spiral centrifuges has been engaged in foreign and domestic research for a long time Structure of horizontal spiral centrifuge The practice of design, product development, manufacturing process management and use will compare high, medium and low grade centrifuges as above, and sort out the commonalities objectively existing in most of our current centrifuge products and their manufacturers. At the same time, it will show the advantages of high-end products, which can be used for reference and choice by a wide range of centrifuge manufacturers, It can also provide advanced and complete set of high-end centrifuge technology and corresponding technical support.

Based on the above original intention, it will also show the basic situation, market pattern and many opportunities of this product in China from a macro perspective for the vast number of centrifuge manufacturers. It is hoped that the centrifuge research and development and manufacturers can plan their own products and enterprises' strategic development plans comprehensively and in the long run.

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