Stacking and reclaiming equipment
The cantilever of the stacker can be tilted without being tilted at a 90° angle to the track of the trolley. It can also be pitched. Generally, a stacker that can pitch is used, so that the ore drop can be controlled to a minimum when unloading. Due to the different weight positions of the rotary cantilever belt stacker, there are two types, high and low, as shown in Figures 4 and 5, respectively. When used, it can be selected according to the different requirements of the material yard. For the open field, the high and low weight structure can be selected. For the storage yard, the low-weight structure should be used to reduce the space of the workshop. The cantilever belt stackers of various specifications that have been produced and used in China have a maximum radius of gyration of up to 43 meters. 2 Bridge Drum Reclaimer Bridge Drum Reclaimer, as shown in Figure 7. It replaces the bucket wheel with a rotating drum that is almost the same length as the bottom of the pile. A certain number of buckets are arranged at appropriate positions around the drum cylinder, and the number of the buckets is arranged according to the principle that the intermediate cross-section of the pile is large and the materials on both sides are small, so that the buckets on the drum have more intermediates and less sides. When the drum rotates, the ore is shoveled into the bucket by the bucket and discharged to the belt conveyor across the center of the drum to carry the ore out. The reclaimer of this reclaimer is larger than the bucket reclaimer. It is a one-piece or two-half large triangular truss that can almost completely cover the take-up slope of the pile. In this way, the ore on the take-off slope is simultaneously dropped to a certain amount to the bottom of the pile, and is scraped off by the bucket on the rotary drum. Aluminum Hydrophilic Coated Foil Aluminum Hydrophilic Coated Foil is the lacquered foil intended to be used for the production of fins for heat exchangers with hydrophilic properties.The lacquered aluminium coils Aluminum Hydrophilic Coated Foil makes the condensated water drop to become a layer avoiding the feasibility of ice bridges.It allows to produce smaller equipments.Of course in big products,this Aluminum Hydrophilic Coated Foil can also be used.It has good finishing,high thermal conductivity,good drawability and low density.Trust in harmony,we hope to be your best choice of hydrophilic finstock supplier Aluminum hydrophilic coated foil, Aluminum finstock,Golden Aluminum Foil,Industrial Aluminium Foil, Aluminum foil roll Trumony Aluminum Limited , https://www.szaluminumcoil.com
   1 The type of stacker should meet the requirements of the stacking method. 
7 Stacker When stacking the herringbone pile, make the top of the pile on a vertical line.
The end material composition at both ends of the 8 piles fluctuates greatly. In the production, the part of the material is often taken out and then returned to the pile. In order to reduce the fluctuation of the end material composition, the following different cloth methods are adopted: [next]
a. The method of fixing the starting point and ending point. This method is relatively simple, but there are more end materials;
b. The cloth method of changing the starting point and ending point. This kind of cloth method is more complicated for the operation of the stocker, but the advantage is that the segregation of the end material and the fluctuation of the composition are avoided;
c. Cloth method for changing the starting point and fixing the end point. This method of weaving reduces the unevenness of the end material and simplifies the operation as much as possible, but there is still an end material of uneven quality.
(2) Selection of stacker The choice of stacker is as follows:
1 Fixed cantilever belt stacker has two kinds of single-wing cantilever stacker and two-wing cantilever stacker, as shown in Figure 2 and Figure 3. When used, it can be selected according to the layout of the material yard. If a two-span material yard is used, a double-wing cantilever stacker can be used, which can stack materials on both sides of the stacker. If a single-span stockyard is used, a single-wing cantilever stacker is available.
The fixed cantilever stacker is only suitable for herringbone or conical piles. In order to keep the tip of the pile in a straight line in the longitudinal direction, a baffle or cloth funnel is required at the end of the unloading belt conveyor of the stacker. Control the location of the stream drop point.
2 rotary cantilever belt stacker, as shown in Figure 4. It has a turning device that can rotate in the range of ±90° to 120°, so it is flexible in stacking, and its cantilever can pitch, control the unloading drop and reduce dust generation. It can be used for one side stacking or for stacking on both sides. It is suitable for various fabrics, such as herringbone fabric, trapezoidal fabric and diamond fabric.
Figure 4 High-type rotary cantilever belt stacker
1. cantilever frame; 2. tie rod and bracket; 3. driver's cab; 4. slewing mechanism;
5. Walking trolley; 6. Stacking belt conveyor; 7. Main belt conveyor [next]
Figure 5 Â Low-profile rotary cantilever belt stacker
1—main belt conveyor; 2—stack belt conveyor; 3—carriage; 4—weight
The main technical parameters of the cantilever belt stacker manufactured in China are shown in Table 1.
The reclaimer is the main equipment for blending and mixing the material yard. Its type structure can affect the blending and mixing effects. At present, the reclaimers commonly used include bridge type single bucket wheel, bridge type double bucket wheel and bridge type roller.
(1) Requirements for the reclaimer The requirements for the reclaimer are as follows:
1 When reclaiming the material, the material can be cut perpendicular to the material layer and cut at the same time, and the thickness of each layer is equal to ensure uniformity.
2 The reclaiming amount of the reclaimer can be quantitatively reclaimed within a certain range according to the specified value and can be kept stable.
3 In the process of reclaiming, the cross section of the pile can be kept flat without causing collapse.
4 With loose material, the surface of the pile can be loosened and the amount of falling ore can be stabilized.
5 can be controlled by electronic computer to achieve automatic operation.
6 The environment is less polluted and less dusty.
(2) Selection of reclaimer 1 bridge type bucket wheel reclaimer Bridge type bucket reclaimer has two kinds of single bucket wheel and double bucket wheel, which are selected according to production requirements, generally less or less than the medium. The single bucket wheel reclaimer can be used. If the material is large and the mixing effect is high, the double bucket reclaimer is usually used. The double bucket wheel reclaimer is shown in Figure 6. The bucket wheel reclaimer cannot take the material from the entire section of the pile, so there is a problem of composition fluctuations, and the single bucket wheel is even worse. In order to make the double bucket wheel reclaimer overcome the unevenness of the material of the take-up section, the distance between the two bucket wheels is set to be half of the width of the bottom edge of the pile. When one bucket wheel is located in the middle of the pile, the other bucket wheel Then on the side of the pile.
In order to obtain a uniform balance of the material, the traveling speed of the trolley of the single bucket wheel reclaimer is variable, and gradually decelerates as it goes toward the center of the pile, and gradually accelerates toward the pile side. The double bucket wheel reclaimer generally does not need speed regulation, but when the reclaiming capacity is large and the span is also large, the two bucket wheels need to be slowed to the middle and fast to both sides.
The double bucket wheel reclaimer has two types: ordinary bridge type and spiral bridge type. When the common bridge type bucket wheel reclaimer is used for the two-span material pile, it is necessary to take measures to cross the trolley when crossing the cross, and the swing bridge The bucket wheel reclaimer can be rotated over the span.
Regardless of the single bucket wheel or the double bucket wheel reclaimer, there must be a loose material device, ie loose material. If two-way reclaiming is carried out, the loose material is installed on both sides of the trolley, and the loose material not only loosens the surface ore of the pile section, but also causes the ore to be quantitatively rolled down to the bottom of the pile to make the ore better. Mix well. The loose material can prevent the top of the pile from collapsing and the working condition of the bucket wheel is not affected.
According to different scales and different use conditions, different sizes of reclaimers are selected.
At present, the domestically produced bucket wheel reclaimer has a reclaiming capacity of 100 to 1500 tons per hour and a span of 20 to 40 meters.
The main technical parameters of the bucket wheel reclaimer are shown in Table 2. [next]
The bridge type drum reclaimer is used for large-scale ore blending and mixing yards. Most of the foreign use is more than 1000 tons per hour, and the maximum is 6,000 tons per hour. The reclaimer has been designed and manufactured at the Harbin Heavy Machinery Plant in China, and the production capacity can be selected according to user requirements.
The main technical parameters of the reclaimer are shown in Table 2.