Introduction of Ring Chain Bucket Elevator

ring chain bucket elevator

CUSTOMER REFERENCE LIST (YEAR 2012-2014)
NO.	EQUIPMENT	VENDOR'S SCOPE OF SUPPLY
		PROJECT LOCATION	QUANTITY	TIME
15	Bucket Elevator	Russia	1 Set	20121119
22	Bucket Elevator	Russia	4 Set	20130516
31	Bucket Elevator	Yemen	1 Set	20131200
35	Bucket Elevator	Philippines	2 Sets	20140304
39	Bucket Elevator	Mauritius	1 Set	20140500
44	Bucket Elevator	Thailand	1 Set	20140723
53	Bucket Elevator	Australia	3 Sets	20140220

►Introduction

Bucket elevator is designed to transport powder, granular and lump materials, which also can lift abrasive materials, such as fly ash, slag, limestone, cement slurry, cement clinker, cement, coal, dry clay, etc., it has an opening bin below for storing material, when the motor driving the endless plate chain (chain or belt) through the chute, the hopper fixed in the chain of plate (chain or belt) bring the material to the discharging opening, in this way it continuously convey the material.

Ring chain Bucket Elevator is applied in the vertical conveying of abrasive powder, granular and small lump materials, such as grain, coal, cement and crushed ore, etc., and its transportation height can reach to 40m. The bucket chains are characterized by simple structure, stable operation and hybrid or gravity discharge. The wheel rim uses combination sprocket, and it is easy to replace and has been specially treated to ensure a long service life. The underpart is equipped by gravity automatic tensioning device, so that it can maintain a constant tension to avoid slipping off the chain. The material temperature can not exceed 250 °C.
►Features
1. Ring chain bucket elevator with large capacity, high lifting height, running steady, long service life etc advantage;
2.Adopt wrought link chain as the traction components.
3.The outline dimension of cross section is little, installation arrange compact, save space;
4.High lifting height, with better sealing.
5.Customized capacity, height, material and surface treating etc processing technology.
►Advantage

    1. Excellent sealing, less environmental pollution.

    2. Easy Operation and maintenance, less wearing parts.

    3. Energy conservation and less maintenance ensure the machine a very low cost.

    4. Advanced design principle has ensured the reliability of machine operation.

    5. High accuracy. The housing case is of good rigidity and beautiful appearance by the edge folding and intermediate beading.

    6. Small size. Compared with other machines which have the same lifting capacity, size of this machine is smaller.

    7. Transmission capacity. The series hoist NE15 ~ NE800 a variety of specifications. Enhance the volume range of 15 to 800m3 / h.
 

►Working Principle
Hopper scoops up materials from the stone bucket below, then is lifted to the top with the conveyor belt or chain, and next it is downward rolled over bypass the wheel on the top and the materials are dumped into the accept slot now by bucket chain or hoist conveyor, and the whole process is over. The driving band of bucket elevator with driver is commonly made of rubber, and it is installed below or above the drive roller and the divert roller. The chain-drive bucket elevator is generally equipped with two parallel transmission chain, on which above or below is a drive sprocket and a divert sprocket. Continuous Chain or Belt Bucket Elevator for Cement are generally equipped with chassis to prevent the dust flying into the bucket elevator.

►Application
TH series bucket elevator is widely used for transporting material, the density is less than 1.5t/m3, easy to draw out powder, granular, block etc low grinding material. Round link chain bucket elevators are the preferred conveying systems for the transport of hot bulk materials and coarse-grained materials. Such as coal, cement, gravel, sand, fertilizer, grain etc.
►Selection condition
    1. What is the conveying material and its physical characteristics? such as bulk density, feeding size, temperature, mositure content etc.
    2. What is the processing capacity of the elevator?
    3. What is the lifting height of the elevator (distance between inlet and outlet)? 

Bucket Elevator Holdback Problems during Operation

While using bucket elevator, sometimes there is abnormal holdback operation phenomenon during operation, do you know the reason?
In fact, during the operation of bucket elevator, sometimes there will be operation stopping inevitably due to malfunction or heavy-loading, even the breakage of link chain or belt could occur, then cause reversal. The reverse operating can cause collision of the bucket and material that remain in the bottom, this could easily cause deformation of bucket and will not function well due to severe damage. Overloading situation is easy to occur if not pay attention to feeding capacity.
Under normal circumstances, the bucket of bucket elevator will lift the material from the bottom to the discharge port which is located on top of bucket elevator and then throw out. In order to ensure the production, when designing and manufacturing equipment, manufacturers just consider that the equipment will not reverse under the non-load condition, because bucket of lower part is two more than upper part, which will be much heavier than the upper. In order to prevent the breakage of belt or link chain or reversal occur in the bucket and link chain, especially when the bucket elevator is under the overload condition, the backstop should be installed at the external of bucket elevator in order to avoid the problem of overload.

The bucket elevator holdback consists of reverse rod, revolving shaft, retracting spring and dowel pin etc. In the process of normal operation of bucket elevator, the reverse rod will be upswing after hit by the sleeve, it will fall under the action of retracting spring force, then upswing after hit by another sleeve, not affecting the normal operation of equipment. If there is reversal of bucket elevator, the dowel pin will halt the reverse rod, so it will no longer swing down, and the sleeve will also be blocked by the reverse rod, hence the whole link chain could not reverse. If there is too much material spilled inside the body of machine and fall on the reverse rod, it will cause the failure of holdback. 

If there is too much materials outside the bucket elevator, it will affect the rotation axis of screw. We may see there will be stacked with material in the pit of bucket elevator on the user’s site, which will seriously affect the operation of the relevant parts of holdback.

Henan Pingyuan Mining Machinery Co., Ltd is the most professional manufacturer of Belt conveyor, and Vibrating screen, Bucket elevator, Screw conveyor, Scraper conveyor using the world's most advanced technology, we are willing to serve every company to meet your custom needs. Our goal is "be the future global leader of mining machinery industry". If you have any question, please feel free to consult us (www.pkmachinery.com) we will give you accurate and timely service.