Processing method of crusher of machine for pellets common mechanical faults

Mill system mainly consists of grinder and motor. The corresponding fault can be divided into mechanical and electrical faults. The following is a mechanical failure and vibration fault analysis.

Vibration mill by motor directly connected crushing device, the connection is simple, pellet mill machine easy to repair. But if in the process of assembly of two can not be well connected, it will cause the overall vibration mill.

(1) the motor rotor and the rotor misalignment. Can be moved left and right, the position of the motor, or on the motor feet below plus pad, to adjust the concentricity of the two rotor.

(2) the rotor misalignment. The reason is the palmar branch of 2 bearing surfaces of the rotor shaft is not in the same plane. In the bearing seat bottom pad copper skin, or increase the wedge iron can be adjusted in the bearing at the bottom, the guarantee 2 shaft concentric.

(3) the crushing chamber part vibration machine for pellets ‍The reason is connected with the pelletizing machine rotor coupling internal misalignment or rotor flat hammer quality uneven. Connection can adopt corresponding methods adjusting coupling and motor according to different types of coupling: when the hammer quality uneven, re matching each hammer, the hammer is symmetrical, the hammer is symmetric error less than 5G.

(4) the original balance is destroyed. Motor repair to do dynamic balance test, to ensure the overall balance of the horse.

(5) mill system anchor bolts loose or the base is not firm, in the installation or repair, evenly fastening bolts, between the foundation and the mill, with damping device, reduce vibration.

(6) the hammer broken or crushed indoor hard debris. All these will cause the imbalance of the rotor rotation, caused by vibration. Therefore, regularly check the wear serious, hammer. When replaced, machine for pellets ‍symmetric replacement; appear mill running in the abnormal sound, should immediately shut down to check, find the reason timely treatment.

(7) connecting mill system and other equipment is no match. For example. For example, a feeding tube, discharging tube connection is improper, will cause vibration and make sound. Therefore, the connection part, should not use hard connection, had better use soft connection.‍

Vibrating screen too fast the main reasons of pellet machine damage:

Mesh quality problems, the screen tensioning force, material feeding problems.

Quality problems 1, screen mesh is a mesh damage caused pellet maker  by too important factors. The screen material if not up to the material screening requirements, screen damage quickly, our customers in the selection of rotary vibration sieve note lists screen classification and how to choose the appropriate screen.

2, the screen tension strength is insufficient, pellet machine ‍resulting in screen fibrillation, usually along the screen edge wrapping strip or fault or damage.

The stress layer 3, the upper part of the screen mesh are layered and lower requirements, between the 2 layers closely, if the screen pre tensioning process, when the screen bottom stress layer tightened, sieve layer without tension, so do the sieving machine when the screen vibrating up and down over larger distances, and screen the contact part cannot effectively press frame, which is caused by the screen damage quickly one of the reasons.

4, the material feeding problems. Because the feeding continuously in the vibrating screen in the process of work, but if a feed too much, hinder the normal movement of materials on the screen surface, pellet machine ‍not only easy to make the screen fatigue become loose, but also reduces the amount of pellet press material processing. Once given a lot of material, can make itself is not a sudden increase in the motor load balance operation, not only easy to damage the screen, but also easy to cause damage to the vibration motor, so in delivering material to uniform feeding. In a powerful impact of feeding mode, must give the vibrating screen with buffer hopper, material impact vibration screen will consume the vibration source of direct, more easy to cause the screen and screen fatigue damage.

Solution:

The first choice and reliable quality of the screen in the selection of vibrating screen;

② often check the tightness of the screen mesh;

Check whether the screen compaction.

If it is sieving liquid, has strong impact force when the best equipped with hopper or buffer.

If a material stacking, as soon as possible to find the reasons such as adjusting the vibrating motor eccentric block.‍

The main structure of pellet plant

Composition of granulation machine is mainly composed of feeding,feed mill plant  mixing, granulating, transmission and lubrication system. Its work process is combined with powder less than 15% moisture content, from the hopper into the feeding auger, by adjusting the stepless speed regulation motor speed, obtain material flow right, pellet plant then into the blender, tempering the stirring rod stirred and mixed with steam, if need to add molasses or grease, also from the added and together with the mixing drum steam, oil content of less than 3%, otherwise it is difficult to form, pelletizing after quenched and tempered with powder temperature can reach 64 ~ 85 ℃, relative humidity 14 ~ l6%. And then through the chute through the iron absorption pellet plant device can select the powder to remove iron impurities mixed in, and finally into the press room.

Part of granulator

Feeder

The feeder is composed of an adjustable speed motor, reducer, screw barrel and the auger shaft. feed machine the motor is composed of a three-phase asynchronous motor, eddy current clutch and tachometer generator, it is used in conjunction with the JZT controller, the JDIA type electromagnetic adjustable speed motor controller can change its output speed.

Retarder

The feeding speed reducer adopts a cycloid pin wheel reducer, the reducer transmission ratio is 1.10, and  the machine pellet

‍ speed regulating motor direct, deceleration, the effective speed feeding auger control in 12 ~ 120 rpm.

The feeding auger

The feeding auger auger tube, the auger shaft and bearing pellet mill. Auger to feed, speed adjustable, namely the feeding quantity variable, in order to achieve the rated current and output. The packing auger shaft can be extracted from the auger cylinder right end, so that the cleaning and maintenance.

The main structure of pellet machine

Composition of granulation machine is mainly composed of feeding, mixing, granulating, transmission and lubrication system. feed mill plant work process is combined with powder less than 15% moisture content, from the hopper into the feeding auger, by adjusting the stepless speed regulation motor speed, obtain material flow right, then into the blender, pelletizing tempering the stirring rod stirred and mixed with steam, if need to add molasses or grease, also from the added and together with the mixing drum steam, oil content of less than 3%, otherwise it is difficult to form, after quenched and tempered with powder temperature can reach 64 ~ 85 ℃, relative humidity 14 ~ l6%. And then through the chute through the iron absorption device can select the powder to remove iron impurities mixed in, and finally into the press room.

The main advantages of particle machine

1 pellet maker is capable of forming a particle does not need other affiliated machines such as (grinder, mixer, lifting machine, drying machine) is a whole machine

2 pellet machine  has the advantages of small size long two meters wide and one meter machine can press wheel move, can go to the fields of processing raw material saving transport costs, there is sufficient raw materials can go where processing, does not need to set up a factory in the investment, saving a lot of plant investment, reduce investment risks.

3 diesel and electric dual-purpose, mobile production can be changed to a diesel engine as power, without no three-phase electric trouble. One time forming particles machine pellet mill machine

4 three machines and equipment production, yield, but the investment cost is low. And the big equipment workshop and raw material constraints operation very difficult especially raw material size suitable for transportation, and is not safe‍

Factors affecting the yield of grain machine

Particle machine is one of my company's, important products of good quality, after market research and validation for many years in the user community to gain a good reputation. Here for everyone to share the external factors that affect the yield ofgrain machine:

1, oil. Add a small amount of grease (0.5%~1%), to reduce the particle machine parts wear, and the particles easily through the die hole, improving granulation production.However when adding amount exceeds 2%, the pellet machine loose, it is difficult toform. Therefore, in the high dosage of oil, should be added to the full amount of 30%in the mixing machine, granulating machine spraying full volume 70%.

2, crude fiber, crude fiber content of the appropriate (3%~5%), bonded to particles,reducing the rate of powder particles, improving granulation production, but the crude fiber content exceeds 10%, it will because of the bond and poor effect of particlemachine, hardness and forming rate, increase the mechanical wear, reducing the pelleting rate.

3, the moisture content of material. The material moisture content is too high, reduce the amount of steam in the granulation, effects of Pelleting Temperature increase,thus affecting the quality and yield of feed particle machine. At the same time, the moisture in the materials is too high, and difficult and easy to cause material slidingbetween the die wall and the pressure roller, causes the ring die hole plugging.General requirements for Quenched and tempered before moisture content should be below 13%.

4, the material of protein. The protein content is high, the heated material plasticity,increase in viscosity, granulating high yield. But the non protein nitrogen such as urea, l) high, lower yield granulator.

5. Starch content, starch grains is high, easy to granulation in high temperature, highwater content, yield is high, the requirements for tempering water between 16%~18%.Tempering temperature shall be above 80 ℃. Otherwise the degree of starch gelatinization difference caused by brittle particles, can't even forming. If the corn in the quenched and tempered before curing (such as corn drying), yields granulatordecline. Therefore, when purchasing raw materials to choose not to dry as well.

6, the heat sensitive feed. Lactose, whey powder is heated after the increase in viscosity, increase the yield, but the temperature is over 60 ℃, is easy to appear coking, blocking the die hole, effects of pelleting machine production. So this kind offeed conditioning can be used warm water.

7, minerals. Organic feed almost without cohesion. Granulation performance is poor,affecting the granulation production. Therefore, when the inorganic matter content is high, the general to the material in a small addition of binder (such as molasses) to improve the granulation properties, improve the pellet machine production.‍

Method of use of renewable resources for particle machine

What is the use of renewable resources for particle machine, is mainly to explain some of the abandoned by us resources to get the market application and market nowparticle machine occupied a great position, put some resource to use up.pellets mill‍

After the waste plastic particles machine is used to bring the change of life is we be obvious to people, we used some plastics do not know how to store, but do not knowhow to deal with, so the resulting in a large number of landfill, along with social progress and now we are increasingly high requirements, and achieve the effect is getting better and better, particles the use of the machine are also more and more,not only in the plastic, there are many industries are beginning to use ah, like somefood particle machine, straw particle machine, recycled plastic particles machine, drug particles machine and so on, are the particle machine was improved, and the use ofparticle machine also can change some the result of our industry and also to ourindustry to bring unlimited business opportunities, now the network everywherepropaganda pellet making machines‍film grain machine, poured some particle machine visible results, but ifput into use or face a lot of problems, including his basic operation and matters needing attention, and some of the later maintenance and maintenance are we to understand before use.‍