Fixed belt conveyors are widely used in metallurgy, mining, coal, port, transportation, hydropower, chemical and other departments, and have the advantages of large conveying capacity, simple structure, convenient maintenance, low cost and strong practicability. Three kinds of bulk materials or finished products with bulk density of 600~260kg/m are loaded, loaded, transferred or deposited in various normal temperature states.
In order to ensure that the working center of the fixed belt conveyor is on the same line, before installing the bracket, the total length of the fixed belt conveyor should be accurately positioned. In addition, during the installation of the overall frame, the vertical center position should be on the same straight line, the conveying distance of each conveyor should be the same, and attention should be paid to whether the inclination angle of the horizontal position during the vertical transportation process meets the standard, and whether the slope meets the regulations during the production operation.
It is very important to build the driving device for the entire conveyor. When installing, ensure that the rotating axis of the fixed belt conveyor is perpendicular to the overall center line of the belt conveyor to ensure that the belt conveyor runs smoothly. The center line of the entire width of the driving roller also needs to overlap the center of the conveyor to ensure the balance of the upper and lower driving forces, the reducer is parallel to the rotation axis, reducing the belt offset.
After installation, the whole machine must be checked to ensure that all equipment is installed in a stable position, and the horizontal error of the shaft should be controlled within 0.5-1.5mm. The drum shaft should be perpendicular to the center line of the whole machine.
In fact, the most critical part of the installation of the entire fixed belt conveyor is the idler, because whether this part of the installation meets the standards and requirements directly affects the service life of the conveyor, and also has a great impact on production efficiency. After the above equipment is installed, the upper and lower idler idler racks can be installed, so that the belt has the function of changing direction. The spacing requirement is 1/3-1/2 of the normal idler frame spacing. After the idler is installed, it should be checked carefully, with the help of the idler frame, the belt must rotate flexibly.
How to Improve the conveying efficiency of fixed belt conveyors
In enterprises such as large coal mine construction, fixed belt conveyors are often used to transport raw materials containing bulk materials. Under this material flow, the conveyor is subjected to a very large dynamic load, which shortens the service life of the idler and conveyor belt. Especially because there is a certain drop between the materials, the falling of large pieces of materials will generate a large impact load, which directly endangers the normal use of the belt conveyor and is an important reason for the damage of the conveyor belt. According to relevant surveys at home and abroad, 70% of conveyor belts are considered by breakdown damage and scraping.
In order to reduce the impact of materials, it can generally be carried out from the following aspects:
- Improve the feeding method of materials: reduce the blanking speed, try to make the feeding along the running direction of the conveyor, and the speed is equal to the conveyor belt.
- Improve the impact resistance of conveyor belts and idlers.
- Improve the surface performance of the idler, and reduce the quality of the idler under the condition of meeting the strength.
- Design a more reasonable feed bearing device, and determine the structure, dynamic characteristics of the buffer, the combination of buffer rollers, etc.
Only by adopting scientific methods can we effectively solve the problem of buffering when conveying materials and prolong the service life of the conveyor belt.
Next, we start with the operation of a stationary belt conveyor. Any conveying device has a method of operation. Because only by mastering the correct operation method and skilled operation, can the efficient work of the conveyor be guaranteed.
After removing the influence of debris in the material on the equipment, how to improve the conveying efficiency of the fixed belt conveyor? The operator should pay attention to the following points:
- Install the conveyor. The fixed belt conveyor shall be installed on a fixed foundation according to the specified installation method. Before the mobile conveyor is officially running, it should be braked by a triangular wooden wedge or a brake.
- Check the conveyor before running. Before using the conveyor, check the operation of each running part. Whether the belt buckle and the carrying device are normal, and whether the protection equipment is complete. The tightness of the tape should be adjusted before starting.
- The conveyor starts. The belt conveyor should start with no load. Feeding can be done after normal operation. Feeding is prohibited before driving.
- Conveyor running. If there are multiple conveyors running in series, they should start from the discharge end and start sequentially. After all the normal operation, the feeding can be done. When the conveyor belt deviates during operation, it should be stopped and adjusted, and it should not be used reluctantly, so as not to wear the edge and increase the load. Pedestrians or passengers are not allowed on the conveyor belt.
- Conveyor working environment. The working environment and the temperature of the material being sent shall not be higher than 50℃ and lower than -10℃. Do not transport acid-base oil and organic solvents.
- Stop the conveyor. The feeding must be stopped before parking, and the parking can only be done after the stored material on the belt is unloaded. Only the normal operation of the belt conveyor can meet the conveying volume requirements.
The relationship between the conveying amount and the conveying efficiency is corresponding. If the fixed belt conveyor does not pay attention to maintenance, it is prone to failure, and the conveying efficiency is bound to be low. In order to ensure that its conveying efficiency is not affected, its maintenance is one of the essential tasks in enterprise production.
Maintenance of stationary belt conveyors is very important. The maintenance of the fixed belt conveyor is the premise to ensure the normal production of the enterprise. If the equipment always fails, it will inevitably seriously affect the production activities of the enterprise and cause huge economic losses. Therefore, equipment maintenance enterprises should be the focus of enterprise production.
Guanchao Logistics Technology is a China Logistics Equipment Leader. Our products include telescopic conveyor, turning curve belt conveyor, angled belt conveyor and spiral belt conveyor, etc. Our mission is to provide customers with high-quality and efficient logistics and transportation equipment, and we believe that advanced technology and perfect services can bring our customers the best experience.
