Divided by capital and technology sources, the development of instrumentation industry in the world is nothing more than two modes: one is based on domestic capital and technology, and the other is on foreign capital and its technology. Industrial developed countries are generally the first model, and developing countries are often limited to the second mode, and their typical model is Singapore.
There are two ways to develop the instrumentation industry: one is to develop the road based on domestic companies, and the other is to cooperate with multinational corporations first, to give up part of the market, use its funds, learn its technology and management, and gradually increase the number of conditions when it becomes available. The road to the strength of domestic companies. Developing countries, represented by the “Four Little Dragonsâ€, want to take the second road, but have not yet achieved significant success. In a sense, Japan’s instrumentation industry has taken the second road in a certain range in the early stages, using The two models have achieved certain results. A Japanese company is mainly based on its own funds, particularly on the basis of learning and introducing foreign technologies, developing its own core technologies and becoming a world-famous company for instrumentation and control systems. Capital and foreign technology started. When the technology is mastered to a certain extent, the use of domestic financial capital forces has become Japan's top instrument companies. It can be said that the development of the Japanese instrumentation industry is taking the first road based on domestic companies, but not Less used is the second way of foreign technology and funding.
The world's major industrial powers have their own high-level instrumentation industry. Sooner or later, China will become an industrially advanced country. How to develop its instrumentation industry is a very important issue.
Although the instrumentation industry has developed rapidly, the gap with foreign countries is still relatively large. It is reflected in the slow progress in technological innovation and industrialization; the lack of key core technologies, the low level of repetition is outstanding, and the product stability and reliability are not obtained for a long time. Fundamental solution; a large number of imports have a major adverse impact on the development of the industry. However, China has its own advantages, advantages and disadvantages coexist, let us turn the disadvantages into "motivation" and develop the advantages to the end.
The unloader is divided into three types: normal type, pressure type, and high temperature type. The unloader can be driven at a constant speed, continuously discharging material at a controlled rate, or with variable speed drive, the unloader is used as a feeder. Unloader general type: It can be used on the normal materials below 150 degrees and normal temperature, and can continuously and uniformly feed material into the feeding pipe, and in the system and separation.The dust collection department can also serve as a unloader. Unloader pressure type: it uses a closed rotor, can be widely used in the suction type, pressure feed air conveying system and negative pressure conveying equipment, rotary discharge.The device can ensure that the pressure of the air flow inside the delivery pipe does not leak, and it can safely transport and collect the materials. Therefore, in this respect, it is called a lock-in gasifier, which not only can withstand pressure, while having common features.
Feed Valve,Rotating Valve,Rotary Feeder Valve,Rotary Control Valve
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