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After the reform of Rotary dryer, output capacity of the machine has greatly improved and the energy consumption has reduced as well. But the reform effect of some manufacturer is not ideal. There even appear many problems which should not emerge such as cylinder lined with quick wear, filling tube and dryers head easily burnt out, shorten service life of bag filter and so on, leading the high cost of maintenance and affecting the normal production of the rotary dryer. But the all problems that are mentioned above are not caused by the technical reform. The engineer explained that the main cause of affecting the reform effect is that some manufacturer focus mainly on the local reform of a dryer, they fail to take consideration of the overall balance of the whole drying supporting system. Internal reform measures of rotary dryer: Rotary dryer internal reform is very important. The vestment of the internal reform of a rotary dryer is not big and its structure is simple. But you must have knowledge of the structure principle of the dryer and the type of the drying material, and then combined with the experience of the daily summary to make the reconstruction plan of feasible. General steps of reform method are as follows: (a) Install a center X stripper plate to the rotary dryer to reduce hot space and extend the stay time of raw material and improve the heat efficiency and reduce the loss of high temperature gas. (b)Remove the helical conveyer of the rotary dryer with a blade of stiffened plate, and weld firmly with the drying triangle tube, weld a circle with an interval of at least 50 mm naturally forming a tapered feeder. It is used to slow in high-temperature belt velocity, and material fully absorbs heat, improve the heat exchange rate, and can reduce the dryer front to avoid damaging the cylinder body and gauge ring. The optimization of a rotary dryer: The selection of the ventilation and dust removal is the key of the optimization. Whether the quality of the ventilation and dust removal of rotary dryer good or not directly influence its production. So high production means choosing a dust catcher to deal with large amount of wind. Ensure the feeding end of a negative pressure and inhale the high temperature gas produced by the burner to the dryer in time, to ensure which quickly exchange heat with the drying materials and put out timely, and then to lower the concentration of the waste gas as possible in order to achieve the purpose of fast drying. At present, the drying dust removal generally choose bag dust removal, the original cyclone dust removal, static dust is ventilated effect is good, but high concentration, discharge dust pollution. Bag filter waste gas processing quantity size should be chosen according to the size of the model dryer, structure and drying of material type, the water level, the reasonable selection after detailed calculation   drying machine: http://www.chinaquarry.com/products_show/rotary_dryer.html
<p>Description of Jaw Crusher</p><p> <a href="http://www.hxjqcrusher.com/Jaw-crusher.html">Jaw crushers</a> can be used together with mine-selecting equipment and gravel processing equipment as well as used independently. The jaw crusher is used for primarycrushers and secondary crushers for crushing all kinds of minerals and rocks with compressive strength less than 320 MPa. The crushing form of this series jaw crusher is driven-squeezing style. Its working principle is: motor drives belt and belt pulley, makes moving jaw up and down through eccentric shaft. When the moving jaw is up, the angle between lining plate and moving jaw becomes large, and this will push moving jaw plate close to the fixed jaw plate. During this process, the material is crushed and ground, thus the crushing will be done. When the moving jaw is down, the angle between lining plate and moving jaw becomes small, the moving jaw plate will leave the fixed jaw plate on account of the effect of pulling bar and spring, and then the crushed material will be discharged from the lower opening of the crushing room. With the motor continuously rotating and the material periodically crushed and discharged by the crusher, the mass production can be realized.</p><p>however, Jaw Crushers are always working under extreme enviroment of pressure and temperature. During operation, 3 tips, we guide you on the maintenance of Jaw crushers.</p><p>1. Shut down jaw crushers after a period of hours (fix the time thereafter), check the machine gradually. Pay special attention to the primary wearing parts, such as fixed jaw</p><p>plate, swing jaw plate, side protection plates, toggle plate, spring ect. Replace some of them if neccessary according to the specification of the orginal one( the exact same dimention, material). Many times, that when you find the capacity become smaller, the problem might lies here.</p><p>2. The exchange of the wearing parts is quite neccessary, though another issue should alwaysbear in mind to make sure the smooth operation of jaw crusher. That is the</p><p>lubrication system around the bearings. It is wise to replace the lubrication oil every 400 working hours.</p><p>3. Last but not least, jaw crushers are drive by engines or motors through V-belts, thus, it is also important to check the fitness and well being of V-belts, and replace them in time.</p>feeder machine: http://www.jaw-breakers.com/T22.html
Hongxing jaw crusher, impact crusher, cone crusher, vertical shaft impact crusher, vibrating screen and other equipment can be assembled into mobile integrated devices which are more flexible to transport, further reduce material handling costs and is easy to operate and maintain. The equipment is used in cement, mining and limestone crushing. It can reduce crushing and transportation cost, improve comprehensive utilization of mineral resource and is advantageous to the mine environment protection. Used in construction waste sorting and crushing, it can crush and screen construction waste into coarse and fine aggregate to replace the natural aggregate for mixed concrete, building bricks and road base materials, which can improve the utilization rate and further reduce the environmental pollution caused by solid waste to achieve material recycling. Crusher manufacturing industry market in China is very broad, including chemical, mining, construction, water conservancy, metallurgy, coal, glass and other industries. In China the most important application fields are roads and mines and cement industry. The crushers applied in these industries accounted for about 30% of the whole industry. China professional crusher, mobile crushing plant and sand making machine manufacturer Henan Hongxing Mining Machinery Co., Ltd. dedicated to the research, development and manufacturing of the mining machinery crusher, sand making machine, mobile crushing plant and gravel production line, sand making production line and other large machinery and equipment.   In the increasingly fierce competition in the international situation, enterprise group struggle to expand the international market with research and development tactics constantly. Jaw crusher, impact crusher, vertical shaft impact crusher, cone crusher, mobile crushing plant and other equipment have been sold to Colombia, Saudi Arabia, Africa and other areas and have obtained the customers’ highly praise, especially the sand making machine and mobile crushing plant arouse appreciation by foreign investors. Along with the constant exploration and innovation of the mining machinery industry, the overall scale of China's crushing machinery manufacturing industry has entered into international large production countries. Hongxing will transfer the future developing center to basic technology and basic components to improve the independent research and development manufacturing level. pulverizer machine: http://www.crusher-machine.com/n222.html
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