Release date：2018/5/23
Three barrel dryer is also called three cylinder dryer, widely used in building materials, metallurgy, chemical industry, cement industry to dry slag limestone, coal powder, slag, clay and other materials.
In the process of production and sale of three cylinder dryer, there are some common problems, such as the problem of one-time drying of raw materials, what should users do? Here we teach you some ways to solve these problems.
Facing the drying machine when the raw material is not dry at one time, we should first find the reason that the raw material can not be dried at one time, such as the drying machine is too small, the wind pressure of the air net, the calculation of the flow is mistaken, and the use of the dryer is the main cause of the one-time drying of the raw material, and maybe several reasons, we should be accurate and timely. The reasons for such problems are identified in order to find solutions to such problems.
After finding the cause of drying machine raw material once dry, to determine the corresponding solution, such as: increase the temperature of the dryer, but this method is easy to cause internal ignition in the dryer, the best way is to replace or revise the drying equipment; the dryer manufacturer is required to recalculate the wind pressure, flow volume and then provide the design change according to the actual situation. In order to solve the problem, it is an effective solution to solve the problem by consulting the dryer manufacturer to obtain the correct method of using the equipment instructions and so on.
After learning and understanding, we hope to provide reference and help to the users who use three tube dryers. More knowledge about the matters needing attention during the operation of three barrel dryers can be called to consult the professional and technical personnel of the salt rich environmental protection company.
Release date：2018/5/23
FH series high-efficiency eddy current separator is a new type of compound powder separator which has been successfully developed on the basis of the original T-Sepa high efficient eddy current separator, which has been developed by V type dispersion grading device. It is suitable for using the roller press or the ball breaker as the pre grinding system (or the sand production line mechanism for sand making production line) before the tube mill. The material from the roller press or the ball breaker (or the sand making machine) has a wide distribution range, and the cement particles of the "32um" can be selected first by the FH type pulverizer and directly into the cement. Without the need of grinding the ball mill, the coarse particles greater than 1.0mm are separated and then returned to the roller press or the ball breaker to break. And the particles of 0.032mm < d < 1 are sent to the ball mill for grinding. Because some of the cement particles are separated early, the particles entering the ball mill are all homogeneous and the system grinding efficiency is large. The output is more than 15% higher than that of the original system. It is an ideal substitute for the traditional V classifier.
First, structure principle
Through the rolling press (or ball breaking machine crushing or sand making sand mechanism sand), the material is fed through the feeding port of the machine and enters the scattered area. Under the action of several groups of diversion plates and several groups of counterattack plates, the material produces the different falling speed in the process of the material and material in the process of the material and material. There are several relative frictions between them, so that the mud powder and stone powder on the surface of the material are stripped off, and the sand can be quickly removed from the surface of the sand under the action of the wind, so that the sand can be fully cleaned and cleaned.
The incoming materials are scattered and stripped through the multistage scatter plate. The wind blowing from the left side of the scattered plates will blow out the coarse material and the fine material from the material flow, and the coarse powder is discharged from the material outlet of the bottom material. The materials suspended in the air flow into the multi-layer grading plate in the classification area. The grading plate will further remove the coarser material, which is suspended in the air flow, and the coarse material falls along the grading plate. The wind is blown again and repeatedly separated, and finally the coarse powder is merged into the coarse powder chamber. The wind belt material out of the classification board is entered into the classification area of medium material. In the grading zone of the medium, the gravity settlement of the material and the wall of the impactor will be settled, and the powder is discharged from the medium powder outlet. The airflow material enters the fine material classification area. In the fine material classification area, the rotation is produced under the action of the arc guide plate, which forms the double action of centrifugal settlement and gravity settlement. Fine powder falls into the bottom fine powder aggregate cone and is discharged from the fine powder outlet. The powder enters the depowdered area with the air flow. The powder is flung out of the coarse material (fine powder) under the action of the cage rotor. The fine powder hits the arc guide plate and falls into the fine powder collection cone. The powder air enters the cyclone and separates the gas solid. The fine powder separated by the powder is discharged from the powder mouth, and the clean air passes through the air pipe and enters the fan to circulate.
Two. Technical features
The 1. separation principle is advanced: the product has a variety of classification systems. According to the characteristics of the material, the aero aerodynamics analysis method is used to optimize the material flow field, which makes the running resistance of the equipment significantly reduced, the separation efficiency is high, and the energy saving and reducing consumption is very obvious. The production process of the V type powder separator is better than that of the traditional one.
The 2.V shaped scattered grading zone has simple structure, few consumables, no electric dispersion device, small pressure loss, stable operation and low power consumption.
The accuracy of the 3. separation is high. In the pulverized machine, the "eddy current rectifier" is used to obtain the national patent. The air flow in the rectifier is not rotated with the rotor rising only. The material is repeatedly cleaned in the separation area, and the precision of the classification is high.
The 4. operation is simple. The cage rotor adopts variable frequency stepless speed regulation. The adjustment range is large, the adjustment is convenient, the sensitive and reliable.
5. the classification efficiency is high. The V type powder separation zone is provided with a multi-layer dispersion and grading board, which is repeatedly dispersed and blown away, so that almost no fine powder is discharged from the coarse powder. In the classification zone, the fine powder in the medium is blown away again, and the fine powder content in the medium is greatly reduced. The diversion plate of the cage rotor is added, and the classification is more accurate and effective.
6. wear resistant parts have small maintenance and long life. The main parts of the separator are imported wear-resistant steel plate and casting lining board, which effectively improves the service life. The whole machine has a dynamic balance correction and runs smoothly in the full speed range.
7. the main shaft bearing seal adopts a new design scheme, which effectively solves the two major problems of the bearing ash injection and the lubricating oil leakage, and prolongs the service life of the bearing.
8. when designing the foundation of the machine, the principle of mechanical vibration damping is adopted to make the vibration frequency of the base selection of the selection machine not to be the integer times of the natural frequency of the pulverized machine, which fundamentally solves the problem of resonance of the long plagued pulverized machine.
The double interlocking wind valve is used in 9. coarse material pipe, medium fine powder tube and fine powder tube, which greatly reduces the air leakage rate of the system and overcomes the defects of the dust in the running process of the former pulverized machine.
10. the system adopts double interlocking air valve and internal circulating air, which effectively reduces the leakage of the system and reduces the dust pollution in operation.
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