Valves are widely used in various fields of national economy and people's livelihood. Due to the requirements of various working conditions, GI manual vacuum butterfly valves are used, so its variety is huge. China's valve manufacturing industry is very large. There are thousands of valve manufacturers all over the country. At present, China has become one of the countries with the largest valve output and market demand in the world. However, most of China's valve industry is small and medium-sized enterprises, with good and bad, with less than 10 annual production values ​​exceeding 10 million yuan. Even if compared with other domestic machinery industries, metal hard-sealed butterfly valves have a large gap in both equipment and technology. There are few units that truly have the ability to independently research and develop high-end products. Therefore, in major engineering projects such as large-scale petrochemical, nuclear power, and long-distance oil and gas transmission pipelines, the supporting valves are still mainly imported.
Current valve companies attach great importance to the development of new products. It should be noted that China's valve industry has developed to the present day. Although there is still a gap with the international advanced level, it has already surpassed the stage of simply copying and absorbing. To seek further development of the technical approach, pneumatic soft seal butterfly valve should analyze and learn from foreign advanced products, at the same time, from a deeper level, the trend of valve technology development and the direction of product development should be comprehensively analyzed and considered, and efforts should be made to develop independent intellectual property rights. New products.
First, people-oriented, establish a humanized product design concept
Usually we mainly consider the material, structure, mechanical strength, working performance, service life and other factors in the product design. When evaluating the advantages and disadvantages of the valve, pneumatically sealed butterfly valve generally adopts these indicators. With the development of the times and the progress of society, people-oriented ideas have penetrated into all areas of social life. We can clearly feel this change in housing, automobiles, computers, mobile phones, clothing, and various public facilities. From the aspects of safety, comfort, energy saving, environmental protection, novelty and beauty, stainless steel pneumatic butterfly valves, they carefully consider the feelings of consumers in every detail and show their love for people. Obviously, humanized design should not be confined to the category of daily consumer goods. Valves, as a wide range of mechanical products that are widely used in industry, agriculture, national defense, and are closely related to people’s daily work lives, cannot be always Contrary to traditional design concepts and design methods, new ideas should be developed and new ideas should be infused.
When we analyze foreign advanced products, in addition to the technical performance indicators, the pneumatic ventilation butterfly valve will notice its beautiful appearance, compact structure, clean internal cavity, and elegant details. For example, in order to prevent secondary pollution, even aseptic valves do not use asbestos-containing sealing packings and gaskets. Another example is to avoid the operator's hands being scratched, the flanges of the connecting bolts are machined into arcs, etc. These differences in specific details should lead us to think in more depth: Why is it so? do? How could it think of doing this? The conclusion can not be attributed to the design concept of humanization. Understanding from this level will make our product design no longer remain in the simple first stage, but from the perspective of ergonomics, from a more secure, reliable, Energy-saving, environmental protection, clean production, comfortable and convenient operation, easy to disassemble and repair, and many other aspects to delve into thinking, give the valve this traditional product to the concept and image of the new pneumatic rubber lined butterfly valve, forming its own characteristics.
Second, pay attention to the progress of materials science and apply new materials, new technologies and new processes to valve products in a timely manner.
With the advancement of technology, high-parameter and complicated working conditions such as high temperature, high pressure, cryogenic, high vacuum, strong corrosion, radioactive, highly toxic, flammable and explosive are increasing in industrial production, and thus the safety and function of the valve are used. The reliability and service life have been raised to higher and stricter requirements. Therefore, the development of various types of valves suitable for high-parameter operating conditions for manual butterfly valves naturally becomes a common concern for the valve manufacturing industry, engineering design department, and users. The main technical obstacle to the problem is often material.
Material science is considered as one of the most promising disciplines in the new century. In recent years, many new high-performance materials have emerged, such as various nanomaterials, superconducting materials, functional materials, organic synthesis and polymer materials, and inorganic non-metallic materials. A variety of composite materials, etc., and many new processes and new technology equipments for molding and surface treatment such as casting, turbine clamping, hard sealing, butterfly valve welding, spray welding, spraying, compounding, sintering and the like have appeared. Pay close attention to the information, trends and achievements of material engineering R&D, and apply them to valve products in time, which is an important technical way to develop high-performance and high-parameter valves. It is particularly worth mentioning that inorganic non-metal materials represented by industrial ceramics are used for valve parts that are resistant to temperature, corrosion, erosion and flushing. Manually-to-clip type soft-seal butterfly valves often achieve good results.
Third, integrating information technology and artificial intelligence into valves to achieve integration is a new approach to technological innovation
In the current era, the rapid development of information technology and the intelligentization of information technology are constantly changing the appearance of industrial and agricultural production and people's social life. As a terminal actuator for controlling the movement of fluids in pipelines, valves can embed modern computing technology, sensing technology, network and remote control technologies, and intelligent technologies into valve products. Valves will be given a completely new concept, a soft-seal worm gear. The flanged butterfly valve thus produces a completely new structure and working mechanism that is completely different from the original product, realizing the real upgrading of the valve product. In this regard, in recent years, regulators, safety valves, pressure reducing valves, steam traps and other products have taken initial notice. For example, the spring-loaded safety valve is the most widely used type of safety valve. However, with the large-scale and high-parameterization of production equipment, soft-sealed electric flanged butterfly valve is difficult to achieve in terms of structure size and reliability. To meet the production requirements, if the safety valve is equipped with a pressure sensor element control valve for quick opening and closing, the DS341X retractable butterfly valve will be a new model. Another example is that there are many types of traps. Their working principle is to use the difference in temperature, density, and flow rate of steam and condensate, and to open and close the valve through a complicated mechanism to complete the function of water-blocking and drainage. A new type of trap is to integrate the components that can recognize the gas and liquid with the valve. The pneumatic seal butterfly valve is used to control the opening and closing of the valve. New traps designed according to this idea have been reported abroad.
Fourth, expand the horizon, establish the concept of a large project, familiarize with the process characteristics of large-scale complete sets of equipment, and develop high-tech and high-value-added high-end valve products
As an auxiliary equipment in industrial production equipment, the valve plays an important role in ensuring the safe and normal operation of the process. Pneumatic wafer-type soft seal butterfly valve development of new valve products, can not be separated from its closely related production devices and production processes. With the rapid development of science and technology, new products, new processes, new processes, and new devices are constantly emerging in industrial production, and corresponding requirements for the corresponding valves in terms of function, structure, and materials have also made new requirements. Soft seal butterfly valve. The development of "specially tailored" special valves for specific industries and specific processes is an important "subject" for the development of new products, and is also an urgent need for the localization of major technical equipment, such as nuclear power valves, valves for oil and gas transmission lines, and Coal chemical slurry valves and so on. To this end, there must be a concept of a large-scale project. The fire-fighting dedicated signal butterfly valve can only be used for valves based on a few design parameters. It is necessary to have a comprehensive and complete concept for the entire project and complete sets of equipment to understand its production. Process, production environment, operating conditions, and related technical specifications, etc., soft seal pneumatic butterfly valve on this basis, in order to conceive, develop, design a unique product to meet the needs of engineering, just as writers only in-depth life, Can create a good work.
The variety of valves varies greatly, and market demands are constantly changing. The production scale and technical level of valve manufacturers for worm gear butterfly valves vary, but valve products have many similarities in terms of general development trends and technological approaches for development. If valve companies can combine their own conditions and determine their new product development goals along the path of scientific technology, they will reduce detours and promote the sustained and healthy development of soft-sealed electric clamping butterfly valves in China's valve industry.
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