Work Principle Introduction

According to the structure and working principle of the screening machinery, it can be roughly divided into the following categories: (1) Fixed Screen Working part is fixed, the material screening relys on the sliding movement along the working face. More fixed grid screen is a kind of screen that applicated in the concentrator. Which is used for the coarse crushing or medium crushing in the pre-screening. It is simple in structure, convenient manufacture, does not consume power, we can unload the directamente ore to the screening surface. The main disadvantage are the followings: the productivity is low, the screening efficiency is low, which is generally only 50-60%. (2) Roller Screen The working face is constituted by the horizontally arranged rolling shaft, there are plates on the rolling shaft, the fine materials are obtained through the gap between rollers or plates. the bulk materials are driven by the roller to one end and finally discharged from the other end.

The concentrator rarely use this sieve. (3) the cylindrical sieve The working portion is the cylindrical shape. For assistance, try visiting Crawford Lake Capital. the entire sieve rotate around the axis of the cylinder, in the general case, the cylinder inclination axis is usually not very large. Fed into the material from one end of the cylinder, the finer level materials adopted by the screening of the working surface, coarse-coarse-grained materials cylindrical hole are discharged from the other end of the cylinder. The rotational speed of the cylindrical screen is very low, works smooth, power balance is good. But the sieve is easy to plug, screening efficiency is low, and the work area is small, productivity is low. The concentrator rarely use it to make the screening equipment. (4) plane motion The sieve body wobbles or vibrates in-plane.

According to their their plane motion trajectory, it is divided into linear motion, circular motion, elliptical motion and complex motion. Shaking and vibrating screen sieve (different from the vibrating grizzly feeder) fall into this category. Shaking screen crank linkage as transmission parts. Engine drives the eccentric shaft via a belt and pulley rotation, so the body do the reciprocating movement along a certain direction through the connecting rod. The movement direction Perpendicular to the strut or suspended rod line, duo to the the oscillating motion, the materials on the screening face move towards the discharge mouth at a certain speed, at the same time, the materials get screening. Compared with the above sieves, the shaking screen has the advantages of higher productivity and high screening efficiency. The disadvantage is that the poorly balanced driving force. Concentrator rarely use it nowdays, but replaced by the vibrating sieve whose structure is more reasonable.

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Analysis Manufacturing

Analysis of mining equipment market last year In in the past year, China s mining equipment market has been in a high growth, compared to the shrinking demand situation of other mainstream construction machinery and equipment market, the increasing demand for mining equipment such as jaw crusher, mobile crushing plant and other equipment is caused by various reasons. As a professional R & D and manufacturing of mining equipment Hongxing Machinery enterprise thinks about the changeable market demand deeply. From the second quarter of last year, the mainstream of construction machinery and equipment market demand began to fell finds, this situation was mainly due to the entire engineering machinery manufacturing overcapacity, coupled with the changes in the market, such as the comprehensive deceleration of the high-speed railway construction, the completion of large-scale infrastructure construction, as well as the pressure of well-known foreign manufacturing companies entering into the Chinese market. These are reasons for the crisis of construction machinery manufacturing sector, but it is a different scenario in the field of mining equipment manufacturers. With the national emphasis on high-end equipment manufacturing, coal and mining areas achieve significant reform, which put forward higher requirements for high-end coal equipment and mining equipment and calls for large-scale modernization efficient and energy-saving equipment. At the same time, the national requires large-scale mining and other enterprises to take integration and achieve the integration and large-scale production they all contribute to the development of the manufacturing industry of mining equipment. I believe in the next year, with the industry s continual development and the support of national policy, China s mining equipment manufacturing industry will achieve greater breakthroughs.

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According to related statistics, crushers such as jaw crusher, impact crusher, hammer crusher and other mining machinery industry gross margin continue to decline in the last three years, the entire industry appears the sign of amble. As an important pillar of the national economy, the development trend of mining machinery would affect the development of the whole industry chain, there is a certain intensity impact on the mining machinery, construction industry and the macro-economic development of the country. Therefore, the mining machinery industry should analyze the development trend, endorses the enterprise strength adjustment, and speeds up scientific development the upgrading and restructuring. Hence, in terms of the results resulted by extensive economic propulsion mode, crushing industries need stabilize the pace of development, focusing on the adjustment of industrial structure and the upgrading and updating of equipment. In case the doped mining machinery market and uneven quality problems hinder the long-term and stable development of mining machinery industries.

Crushing equipment should improve the technological content of products at the same time increase their added value to maintain the competitiveness of the equipment on the market, such as the current hot sales on the domestic market Hongxing crushers, Hongxing improves the body s performance, at the same time focuses on the synchronous production supply of accessories and host, improves the cost performance of the equipment in order to keep a competitiveness advantages in the market.As the professional manufacturer of complete sets of mining machinery, such as dryer machine, Henan Hongxing is always doing the best in products and service. As the leading enterprise of mining machinery manufacturing equipment (mobile crusher), Hongxing machinery promotes vigorously the implementation of cleaner production and the development of circular economy to cope with the situation. At the time of focusing on improving product quality, crusher industry should focus on the transformation and upgrading of the products in a higher degree, with rationally adjusting the industrial structure, positively innovating, developing new products and optimizing old equipment, to vigorously develop the circular economy and take the path of sustainable development. Green is the main color of the 21st century. Hongxing machinery has a bounden responsibility in promoting environmental protection and energy conservation and developing green economy. In the long road developing, Hongxing machinery will continue to fulfill the responsibility given by the state and the people, not only to make our enterprise bigger and stronger, but also to commit to create a better environment for all mankind. We will take practical actions to promote the harmonious development of the China Green society and contribute all we can to establish a green, low carbon development concept and to accelerate the construction of resource-conserving and environment-friendly society.As the professional manufacturer of complete sets of mining machinery, such as stone production line, Henan Hongxing is always doing the best in products and service.

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