Hammer crusher used on mining, metallurgy and cement plant

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Hammer crushers are main equipment for intermediate crushing the limestone, coal and other brittle materials below medium hardness in mining, constructing, chemical and power stations. The crushers have the feature of high crushing rate, high output rate and their products have even grains.

 

According to the structure, hammer crusher can be divided into horizontal type hammer crusher and vertical hammer crusher. According to the using requirements, hammer crusher can be divided into reversible, irreversible hammer crusher, single stage hammer crusher and dry-type hammer crusher. Reversible hammer crusher with reversible rotor used for fine crushing in general; irreversible hammer crusher with irreversible rotor used for intermediate crushing.

NHI has more than 60 years history of designing and manufacturing hammer crusher. Over 1000 sets of hammer crusher were produced and exported to many other countries. NHI hammer crusher is been produced in series. These products are welcomed by customers for their variety of models, advanced design, reliable capacity, stable running and low consumption of energy.

 

NHI is the presiding company for making the occupation standard hammer crusher for coal JB/T 3765—2008 and hammer crusher for limestone JB/T 3766—2008.

 

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Q:Crusher no-load test machine should pay attention to what?
Crusher no-load test machine should pay attention to the following matters:1 after the start of the crusher motor, the machine should be running smoothly, no exception to normal vibration.2. bearing temperature rise is not more than 35 degrees centigrade.3. air transfer time 2-4 hours, after testing machine, check whether the connection is loose or not, and adjust to load operation test.
Q:What's the difference between a jaw crusher and a cone crusher?
Jaw crushers, jaw plates, jaw plates, jaw plates, jaw plates and movable jaw plates are the wear parts of jaw crushers. They are square. The running state in the jaw crusher, jaw attached to a movable jaw plate made of compound pendulum movement, the formation of a stone with a fixed jaw angle extrusion. The jaw plate is, therefore, a relatively easy piece of damage in the jaw crusher.
Q:What's the difference between counter attack and cone break?
The cone crusher, the rotation of the motor through a belt pulley or coupling, drive shaft and cone crusher cone crusher cone force in the eccentric sleeve moving around a week, fixed point swing movement. Thus the crushing cone crushing wall and near and sometimes from fixed on the surface of the adjusting sleeve the rolling mortar wall, crushing cavity ore in the unceasing impact, extrusion and bending and crushing ore achieved. The motor driven by a bevel gear eccentric sleeve to rotate, broken cone to perform swing movement.
Q:Complete safety procedures for jaw crushers
Rational use of crusher1, crusher feeding specifications shall not exceed the size of the mine mouth 0.85 times.2 jaw crusher must start without load.3, jaw crusher is suitable for crushing hard, medium and hard ore coarse breaking and crushing.
Q:How to adjust the discharge size of hammer crusher
Hammer crusher size is too large or too small, will affect the progress of production and material quality, and do not meet the customer requirements of fineness, will have a bad effect on our benefits. We can analyze the size or the size of the pellets of the hammer crusher and make preparations for how to adjust them.
Q:How much work can an jaw crusher handle in an hour?
In general, 200-300 tons of crushed stone is produced every hour. This should be based on your raw material compression strength and toughness, comprehensive detailed calculation, in order to correct selection.
Q:Daily maintenance of ore crusher
Lubrication maintenance of mining crusher equipmentOften pay attention to and timely do the work of friction surface lubrication, can guarantee the normal operation of mine crusher and extend the service life of the equipment. Add the grease in the bearing seat to the volume of 50-70%, replace it every three months, and use clean gasoline or kerosene to clean the runway of the bearing roller carefully when the oil is changed. When the elbow plate is in contact with the elbow pad, the lubricating oil must be injected before the crusher starts.
Q:What are the limestone crushers? A brief introduction to the limestone crusher
Limestone crusher with hammer crusher more efficient energy saving and environmental protection, the limestone of low hardness, high calcium content, ensure production at the same time, the power consumption is low, the powder rate is also low, then we must choose the hammer crusher. I hope I can help you.
Q:What machinery does dolomite use to break up?
From simple processing to high-tech research and development, more and more funds have been invested in research and innovation projects, from manufacturing to research and development. The washability of ore can be evaluated according to clay plasticity index, sand washing time, specific energy consumption and sand washing efficiency. Henan Liming machinery plant, including the production of a variety of stone crusher.
Q:Operation rules for hammer crusher
1, the inspection must be properly wear good labor protection products, careful and careful. 2, regular inspection of the hammer wear, observe whether the hammer crack, hammer joint vibration, and do the corresponding treatment and to the superior leadership. 3. The particle size of the crusher is not allowed to exceed the maximum particle size of the specified material. 4, pay attention to observe the operation of the crusher, check the hydraulic and lubrication system is normal, found unusual, timely and control in contact with, according to the situation to take corresponding measures, and timely report to the higher level leadership. 5, regularly check the drive belt and coupling protection cover, whether or not loose, anchor bolts are loose, or to timely fastening. 6, regular inspection of bearing temperature and sound, airframe vibration, abnormal, timely notify the relevant personnel for inspection.

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