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What is a coal mill? You are likely to answer the question immediately: it is a kind machine used to mill the coal into pulverized coal. Undoubtedly Wholesale Jerseys Cheap , you are right. Do you want to know more about it? Here we go. Coal mill is widely used in many factories and industries. For instance, coal powder equipments in steel mill, heat-engine plant and cement plant. It also has a promising prospect in cement mill clinker. Then when it goes to such areas as classification, maintenance that we are not familiar with Wholesale Jerseys Online , we find it necessary to know more about it.

Classification

Low speed coal mill

Low speed coal mill are usually cylinder mill. It consists of a rotating cylindrical roller or roller with tapered shape at both ends. There are steel balls in the coal mill. The speed of the roller is 15-25 rmin. It is the steel balls that strongly impact and squeeze the coal, and pulverized coal is produced. That is not the end. Then the pulverized coal is dried and sent off. After separating, pulverized coal of certain particle size will be sent to pulverized coal bunker while the rest will be sent directly to coal burner. Cylinder mills are heavy, huge machines with high power consumption and big noise. But do not forget they are reliable.

Medium speed coal mill

The speed of medium speed coal mill is 50-300 rmin.There are many kinds of medium speed coal mill. Roller machine is one of them. Such machines are compact in structure Wholesale Jerseys From China , small in size. Meanwhile they are energy-saving, low noise and easy to operate. But the complex structure makes the maintenance a harder work.

High speed coal mill

The speed of high speed coal mills is 500-1500rmin. They are made up of high speed rotor and mill shell. Fan pulverizing mills and hammer swing sledge mill are the most typical ones. They have simple and compact structure. The continuous operation time is shorter than any other kind of coal mills because of the abrasion.


Maintenance

Maintenance is a work that must be done every day for fear that the coal mill may break down. Operators should check up the machine regularly. Do make sure that every bolt is in good position with no looseness. If there is looseness, tighten them. Check if there is enough lube in the bearing. If not, fill lube on time.

The information that I mentioned above is very important to the coal mill operators. It is useful to operators as well as those who want to buy one. To the operators Wholesale Jerseys China , this article can be served as an instruction. They will know the dos and don’ts of operation. To those who want buy a coal mill, this article will be advisable. So no matter what purpose you have, you will find it helpful.

There is an increase in the popularity of HID lights. Still, perhaps the concept of this high intensity light is still unclear to you. Well Wholesale Jerseys , here are some things that ever car owner should know about HID lights and it is basic to understand what sets it apart from halogen.

People are investing on safety. This is especially true for drivers who are constantly on the road because they are responsible for the life of their passengers. Even the best and law abiding driver can get into an accident. That is exactly why a lot of drivers and car owners are going for an HID conversion. It lessens the risk of an accident.

HID lights work like the lightning. An electrical discharge ignites xenon. It has no filament but it causes the bulb to light by igniting 2 electrodes using an electrical discharge. This can only happen in an air tight quartz capsule that has xenon gas in it. Hence, HID lighting is also referred to as the xenon lighting since it will never work without that specific gas.

The main difference of HID lights with halogen light bulbs is its brightness. There is a 300% difference between HID and halogen and this is comparing only the 35W HID light bulb to the 55W halogen bulb. HID is higher than halogen in terms of color temperature. In addition,HID replicates the color of natural light. Hence, you will notice a big improvement in road visibility when you drive in the evening or even when you are stuck on the road during a storm. HID lasts longer than halogen bulbs because it can withstand up to 10 times more road vibrations.

Light temperature doesn’t equate to brightness. People tend to think that the hotter the light Cheap Nike NFL Jerseys , the brighter it is. The truth is that temperature and luminosity are 2 different things. It has more to do with its color than its brightness really. A 3000K light bulb emits a yellow color while a 4300K emits white. 6000K HID lights emit light blue light which is unlike 8000K which emits blue and the 10000K that emits a dark blue color. Despite the differences in the color, you can be assured that in terms of brightness, all the temperatures are 300 percent brighter than the halogen headlights that your car comes with.

Considering the many benefits of using HID lights, it is not at all surprising that a many car owners are making the switch and getting rid of their halogen bulbs. Its so simple to convert. There is absolutely no need to hire the services of a professional because you can do it yourself.

Those are the things that every car owner ought to know about HID lights. Are you ready to make the change?

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