Zhong da mechanical and electrical products in the application of waste transfer station

Pick to: this paper mainly introduces the zhong da mechanical and electrical automation products of nuclear waste PLC automation conveying process project. Projects implemented by PLC, frequency converter, man-machine interface system integration. Key words: nuclear waste transfer station 1 introduction motion control of nuclear waste refers to the nuclear fuel production, processing and nuclear reactor used no longer need and radioactive waste. Also used specifically to nuclear reactor spent fuel, after disposal recycling plutonium 239 available after nuclear materials, such as the rest of the no longer needed and radioactive waste. Nuclear waste according to the physical state can be divided into solid, liquid and gas 3 kinds. Project involved in this paper is based on electrical automation technology of solid waste in the process of loading and discharging logistics control system solutions. 2 system describes the main use and transfer of a material, is all part of the conveyor line, used for loading and discharging process. System adopts the man-machine interface display system, automatically on the conveying process and monitor all parts work is normal work, and automatically according to the fault type and fault point, control the whole system to achieve the miniaturization, system be more functional, flexible, intelligent, safe, reliable, low-cost, easy to operate. Transportation system engineering, the adoption of PLC technology, implementation of the entire system operation monitoring of the man-machine interface ( Touch screen) Remote monitoring. Switch to complete the system in the man-machine interface instructions. In the automatic state, through the PLC control transport station of motion control system can be started automatically, control the power grid power supply ability, when stop instead minimize the impact on the power grid, and ensure the downtime when can send out the last of the material. In addition, the man-machine interface, can automatically count in the painting surface transport station production yield and total output, coupled with the dynamic process images can be used as 'alarm interface', both to ensure the trouble-free, the images can monitor the whole process of dynamic condition, ensure that operators be clear at a glance, and ensure the system failure according to the fault type and fault point, easy to maintenance personnel in a timely manner to repair. Better solve the traditional transmission system efficiency is low, the inconvenience to supervise and control the process control, fault maintenance difficulties, shortcomings and so on long delay time. Transport station door control interface is shown in figure 1. Figure 1 transport station 3 system design and gating interface. 1 system structure design principle of control system chooses reached the full series products, system matches as: PLC platforms in DVP64EH00R2 ( Host) +2*DVP08HN11R2（ Digital quantity extension) +DVP04AD- H2（ Analog extension) + 4 * DVP01HC - H2（ High speed counter extension) +2*01PU- H2（ Positioning module) + AE10THTD ( Human machine interface) +8*VFD- VE+8*PG01O（ The encoder toll-free) 。 Because every motor position needs to collect, all the encoder signals are required to input PLC controller. High speed counting 64 eh host their own 4 road, other signals by four DVP01HC - H2（ High speed counter extension) The module is responsible for. Working in the vector loop model with motor frequency converter, the control precision. AE10THTD man-machine interface has three communication interface, COM1 access PLC in 232 ways, COM2 and COM3 together into a 9 pin directly communication with eight frequency converter, through the inverter working condition reading and modifying the motion state monitoring system. System structure as shown in figure 2. On-off signal system is shown in figure 3. Figure 2 system principle chart 3 switch signal system and 3. 2 touch screen man-machine interface design in AE10THTD is 65536 color screen, can to the picture color and motion state of rendering. 64 k demand formula can apply a variety of complex space, can solve the PLC controller power keep area is not enough and the phenomenon of the program is not convenient. Figure 4 for the master page. When conditions permit in cases of movement to the specified location and low, whether to low detection by infrared switch, respectively, carton, on the four angles of detection signals into analog module 04 AD, it is used to judge whether the box down time flat. To low after the cylinder gear, the corresponding door, after vertical sling can take an object to the specified location, and then to reply. Because in May transfer some radioactive material, so also frequently open closed in transmission process, in a sealed enclosure movement process. Figure 4 transportation station master page 3. Transport station 3 gating system design in the process of transfer operation, the door of motion control is a key project. According to the door control structures shown in figure 5, the movement of the door process, from low level to vertical process is open. The main door by three motor ( The main 3, primary 1, 2) Sports to realize switch. As shown in figure door three position is low level respectively, litres of orbital, the vertical position. At a low level is closed, the 1, 2, 3 first Lord synchronous movement to climb track, then the main 1 and main 2 stops, the main 3 continue up the door to the vertical motion, then to open the door.
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