2016年1月6日星期三

What is the applicable range of flour vibrating screen ?

Flour vibrating screen is designed specifically aimed at sieving flour, potato starch, corn starch, wheat starch, cellulose, soybean, peanut protein, starch and other starchy materials and starch materials derivatives, it is suitable for sieving,impurity removal and loose material, etc., to adapt 24 hours of continuous production, processing capacity with large work requirements.

Flour vibrating screen commonly uses 20mesh, 24mesh, 30mesh, 40mesh, 60mesh. The use of vibrating screen mainly to remove lint, stone, bran, worm, nail and other impurities. The models are: 400, 600, 800, 1000, 1200, 1500, 1800, And material contact parts must SUS304 or 316L.

Principle of flour vibrating screen adopts motor as the vertical excitation source, and the motor is installed at both ends with eccentric weights, the rotary motion of the motor can be horizontal, vertical, inclined three types, then this movement is transferred to the screen surface. Adjusting the phase angle of the upper and lower ends  which can change the movement trajectory of the material on the screen surface.


How to solve bucket elevator plugging problem ?

Bucket elevator plugging may occur during the operation of bucket elevator,according to long time experience and analysis of bucket elevator technical personnel , we can add a vibrating screen to solve the plugging problem due to large blocks enter into the pipeline,rubber belt slip problem can be avoided by increasing the tension force to increase the lifting height of bucket elevator.However, more than 90% of the plugging problem is caused by the bucket scraper system connecting pipe plugging problem due to the unreasonable design. Here PK Machinery will introduce two solutions as follows:
The first method:Increase the angle of the connecting pipe to increase the rough and fine material flow rate in the pipe,reduce the possibility of plugging,but this solution need to raise the height of scraping conveyor.
The second method:Add a vibrator the connecting pipe side add vibrator to achieve the material being conveyed smoothly ,interlock the vibrator and material scraping system to make it vibrate intermittently,the vibration time,frequency and interval period should be set up as per bucket elevator working condition to realize automatic operation.The solution can completely solve the connecting pipe plugging.

bucket elevators plugging problem

2015 Winter Games was Held at PK Machinery

Last week, for the purpose of arousing the staff’s enthusiasm effectively and enriching their lives, PK Machineryhas carried out winter games. Meanwhile, this winter games have achieved great success.

pk-prize-presentation
 
In the beginning, the leader of our PK Machinery gave a speech to present the spirit of our company and explain activity rules, after that we started games competition. This winter games include 6 items which were tug-of-war contests, rope skipping, set shot, hold the ball race, across the “river” by touching the bricks and ride a bicycle slowly. All of us were involved in the winter games and the atmosphere during the games kept warm and high all the time. In the end of the winter games, we selected the winners of each game and awarded prizes for them. Through this winter games, we became a more united and stronger team.

pk basketball match
 
During our working time, we also have many activities like this. PK Machinery has done better and better to enrich our life and promote our company to develop better.

pk culture

2016年1月4日星期一

How to debug linear vibration sieve?

1. Linear vibrating screen generally adopts three-phase alternating current. Please ensure correct power supply connection ,no conductive material, specialized alternating current socket.
2. The base must be fixed firmly by bolt to guarantee a same height difference front and back supporting seat , the feeding end and discharge end in a horizontal plane, otherwise screening effect will not reach the requirements of qualified products.
3. Check the flatness of screen mesh, ensure screen mesh is installed on the frame correctly, keep the screen mesh in the same horizontal plane to prevent screen tilt, and screening materials not up to the ideal state.
4. Check the each component of linear vibrating screen to ensure they’re firm and reliable, all the bolts must be tightened without looseness.
5. Ensure there is 30-50mmgap between linear vibrating screen and the surrounding fixtures, and check whether screw is locked well or not.
6. Take off the transportation support before starting up the linear vibrating screen, and add the support again until the vibrating screen operation becomes normal.
7. Pay attention to observe the material trajectory after starting up, adjust the screening state according to the material screening trajectory. 

debug linear vibration sieve

How to Joint TD Bucket Elevator Rubber Belt ?

The traction component of the TD belt bucket elevator mainly adopts bucket belt with interval of a certain distance by fixing the screw and the rubber belt. General rubber belt includes nylon rope core rubber belt and steel wire cord rubber belt. So how to joint the wire rope core rubber belt to a ring form? Today, PK Machine will provide you with a brief introduction.
There are three kinds of joints of rubber belt:mechanical joints, heat vulcanization and cold bonding. When connecting the steel wire rope core belt, it needs a belt type bucket elevator special steel wire rope clamp to connect the belt ends. As shown in Figure:
The detailed operation method is putting the ends of the belt firstly according to the size of the fixture, and then use the screw bolt ratchet. The benefits is simple operation, low cost, relatively strong belt connection, not easy to fracture, etc.









What is the character and feature of Belt Conveyor Buffer Bed?

Buffer Bed is mainly used for vibration damping protection of conveyor belt at material discharging point. When the material fall down, buffer bed uses its own elasticity to minimize the impact force when material falls down on the belt to ensure normal operation of belt conveyor. In addition, the buffer strip of bed surface consist of five million ultra high molecular polyethylene plates,which contacts the belt surface well to reduce the friction coefficient to the minimum.Here PK Machinery introduce the main characters and features of belt conveyor buffer bed.
Main characters of belt conveyor buffer bed
1.The smooth UHMW PE surface reduces friction coefficient of conveyor belt and impact strip to minimum.Thick polyethylene layer is more widely used and durable.
2.The front and back of polyethylene surface form into a curved surface, thus ensuring the smooth passing by of the conveyor belt.
3. The excellent performance of the special rubber layer can effectively absorb the momentum when material falling down.
4. Each part of buffer strip is combined with hot vulcanization, compact and firm.

conveyor belt buffer bed
 
Main characteristics of the belt conveyor buffer bed
1. No moving components, low daily maintenance cost.
2. Even bearing force, large supporting area, small belt sagging, damage and materials dropping.
3. Strong absorption of impact energy.
4. Suitable for all kinds of belt width and angle.
5. It can withstand strong impact.
6. Quick and easy installation, easy to check and replace.
7. It can be installed at the conveyor belt blanking point.
8. Prolong the belt life.

belt conveyor buffer strip

2016年1月3日星期日

Bucket elevator conveyor system equipment

Bucket elevator is one of the most commonly used lifting equipment with the advantages of high throughput, high lift height and smooth running.When using bucket elevator,the cooperation methods between bucket elevator and upstream equipment should be noticed,please see it as follows:
a.Hand feeding: the material in the bag can be fed into the conveying equipment through the feeding port.
Advantage:The lifting machine can run normally without material blockage.
Disadvantage: Hand feeding required higher physical strength.

hand feeding
 
b. Feeding through Bin connected with chute: the feeding method saves human cost. Loading machine and vibration hopper are allowed under available working condition, hopper can store material and also brings buffer function, which will avoid overload problem because of too much material.

Feeding through Bin connected with chute
c. Common feeding and conveying equipment: belt conveyor, screw conveyor, scraper conveyor and so on.
In addition,if you do not know what equipment is suitable to cooperate with the bucket elevator,please feel free to contact our engineer,we will give you a best solution: http://www.pkmachinery.com/  



bucket elevator conveyor system