Alloy Steam Purging Target Plate Steam Blowing Seat

Target Plate Device And Target Plate Device Called Steam Purging Target Plate Seat

Target plate device is also known as target plate device_The target plate device manufacturer usually uses a granulator and blow pipe muffler together. The target plate device, also called target plate device, is the main steam pipe purge and superheater of the boiler, and the reheater is purged in series. The target board used when checking the sundries, the separator pressure of the boiler-stage blowing is 8.0Mpa to open the temporary flushing door, 5.5Mpa to close the temporary flushing door, after closing the separator pressure is not less than 4.5Mpa, the main steam temperature is not high At 420°C. After the formal purging for about 30 times, install a target board at the target board, check the cleanliness of the superheater and main steam pipe, and continue purging until the superheater and main steam pipe are basically qualified. The temporary flushing of the boiler basically requires five-stage blowing, so the role of the target plate and the target plate is still obvious.

The installation of the target board:

The target board is used to place the target board. Pay attention to the structure and technology of the target board, and have enough strength. Its structure should be simple, good sealing, flexible operation, and the exchange of the target board should be safe and convenient.

Commonly used target plate device structures are flange type, straight shaft type, tandem shaft type and frame type. The first three are internal test target plates, and the frame type is external test target plates.

The target plate of the internal test target plate is installed in the purge link pipe or exhaust pipe, as close as possible to the end of the purge pipe, and on the straight pipe 4~6m away from the elbow.

When the two-stage purging method is adopted, after the first-stage purging is qualified, the target plate should be removed for the second-stage purging. It is not advisable to install the target board at the second-stage purging.

In order to inspect the blowpipe correctly, the target plate should be polished without visible markings.

After the installation of all equipment in thermal power plants, it is generally necessary to blow pipes through the boiler to purge the pipes with steam. The purpose is to remove the debris left in the equipment and pipes during the manufacturing, transportation and installation of the equipment and pipes, and to prevent the boiler from overheating during operation. The blower and reheater block and break the pipe, and at the same time prevent debris from entering the steam turbine to cause damage to the blades and valves. Therefore, the boiler and the steam turbine need to be tested for trial operation before the safe operation of the boiler and the steam turbine. Therefore, the target plate device as the inspection carrier for the blow pipe result is also called the target plate device. More valued equipment.

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