The permanent magnet type magnetic separator can be divided into three types: forward flow type, reverse flow type and semi-reverse flow type according to the structure of the bottom of the tank. The type of the bottom of the box has a great influence on the selection index and operation.
[1] Downstream type permanent magnetic cylinder magnetic separator
The direction of the ore is consistent with the direction of rotation of the cylinder or the direction of movement of the magnetic product, as shown in Figure 1 and
Figure 1 
Figure II [next]
   The downstream magnetic separator has a large processing capacity and is suitable for roughing and selecting coarse magnetic grade materials (greater than 6 mm), or for recovering magnetic heavy medium, and can also be used for multiple series work.
However, the selection index of this magnetic separator is highly influenced by the amount of ore given and is responsive. When the amount of minerals is large, the magnetic ore particles are easily lost to the tailings. Therefore, it is necessary to strengthen the operation and control the lower level of the slurry.
(2) Countercurrent magnetic separator
The direction of the ore is opposite to the direction of rotation of the cylinder I or the direction of movement of the magnetic product (as shown in Figures 3 and 2b ). Pulp particles discharged from the mine to the tank 3 directly below the magnetic system, the magnetic and non-magnetic mineral particles is weak ore tailings by a cylindrical hole in the base plate below the left edge of the magnetic system. The magnetic ore particles are brought to the concentrate end with the cylinder against the ore supply direction and discharged into the concentrate tank.
Figure III
   This magnetic separator is suitable for rough selection and sweeping of fine-grained ferromagnetic minerals with a particle size of less than 0.6 mm. This is because the tailings discharge is far from the mine end. The selection time is longer and the recovery rate is higher, while the concentrate discharge end is closer to the mine mouth and the magnetic turnover effect is poor, so the concentrate grade is lower. The countercurrent type magnetic separator is not suitable for processing coarse ore. Because of the coarse particle size, the ore particles are easily deposited to block the sorting space.
Third, semi-reverse flow magnetic separator
Attraction to the magnetic field direction which direction is substantially the same ore (such as semi-permanent counterflow drum separator shown in FIG. FIG di C) into the pulp is not candidate space from a lower bottom, the magnetic mineral particles is more easily attracted to the On the surface of the cylinder, and with the cylinder to the weakest point of the magnetic field at the edge of the magnetic system, it is discharged into the concentrate tank. Non-magnetic ore particles or magnetically weak ore particles flow through the left edge of the magnetic system against the direction of rotation of the cylinder and are removed from the rectangular holes in the bottom plate. Therefore, the level of the slurry in the bottom box can be kept constant, and the gap between the bottom plate and the cylinder can be adjusted within a certain range ( 30-40 mm).
This type of magnetic separator can obtain higher quality iron concentrates. At the same time, good recovery rate can be obtained. Therefore, the semi-reverse flow magnetic separator has been widely used in production practice. It is suitable for the roughing and selection of strong magnetic minerals with fine particles less than 0.2 mm. It can work in multiple stages to achieve multiple selections.
OTO Pulley type wire drawing machine
The first Safety precautions for LZ600 wire drawing machine
1. 1 Professional and technical personnel are required to carry out installation and commissioning. Before use, it is necessary to carefully read this manual and the relevant electrical instructions provided.
1. 2 Each machine and electric control cabinet shall be reliably grounded with a grounding resistance not more than 4Ω.
1. 3 There should be no accumulated water on the table top, especially near the operation box, as it can easily lead to circuit failure due to water infiltration.
1.4 It is prohibited for multiple people to operate the same equipment at the same time to avoid accidents.
1. 5 The electric control cabinet should be placed in a clean and dry room, and the door should be closed when working to prevent dust intrusion from causing device performance degradation or failure. Air conditioning is used to maintain the ambient temperature of the electric control cabinet. Frequently check the operation of the cooling fan on the top of the electric control cabinet.
1. 6 Before starting the machine, check whether the safety device is normal.
1. 7 Do not operate the components in the electrical cabinet with power. After cutting off the main power supply, wait at least five minutes, and wait until the intermediate circuit capacitance is discharged before operating the frequency converter, motor, or motor cable.
1.8 Do not touch the IC circuits on the inverter control interface board and motor control board, as static electricity may damage these circuits.
1.9 Please provide the power supply and operating environment according to the technical requirements of Section 3.2. It is not allowed to arbitrarily change the parameters of the frequency converter and PLC. The user shall be responsible for any damage to electrical components caused by human factors.
The second Delivery inspection
2. 1. Check whether the equipment is damaged and complete upon delivery (according to the packing list). If there is any damage or inconsistency with the contract, please contact the dealer or manufacturer immediately.
2. 2 The manufacturer is only responsible for quality issues arising during production, and is not responsible for damage caused during unpacking, improper installation and use, or damage caused by overload operation.
2. 3 After unpacking, the accompanying documents should be properly kept, as they are necessary during equipment installation, commissioning, and use
OTO type wire drawing machine,pulley type wire drawing machinery
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