(1) Recovery, purification and storage of SF 6 gas . This is an essential part of the disassembly and repair. On the one hand, it must be completed with a special recovery device. The moisture and SF 6 gas decomposition products in the gas are adsorbed by the purifier, the gas is purified in the recovery process, and the SF 6 gas is avoided. Yi, to avoid pollution of the working environment; on the other hand, the pipeline must be sprayed in advance, and the impurities such as water, oil and air are mixed with SF 6 gas to reduce gas insulation. The purified SF 6 gas is compressed and stored in a gas cylinder.
    (2) Overhaul of the arc chamber. The arc chamber maintenance shall be carried out according to the manufacturer's instructions and maintenance procedures. The main purpose is to check the burn degree of the spout, and determine whether to replace it according to the regulations. The parts of the relative movement are coated with grease, the coating should not be too thick, and the components of the arc extinguishing chamber must be noted. Clean and prevent dust, moisture, and fibrous substances from entering the interior.
    (3) The sealing surface between the parts. Seal the sealing ring, sealing surface, sealing groove, etc. with anhydrous alcohol and dry. The sealing surface and the sealing groove should be bright and clean, no scratches, rust spots, and seal rings are replaced. The storage period is generally not applicable for more than one year. In order to increase the sealing reliability, the sealing ring and sealing surface (slot) should be coated with an appropriate amount of sealing grease. Special attention should be paid on site. Silicone grease cannot be used in SF 6 high-voltage electrical equipment.
    (4) Vacuuming and drying of the gas chamber. Vacuum must be taken before the inspection, mainly to discharge the residual SF 6 gas and decomposition products inside the equipment, remove the adsorbed water from the components in the air chamber and the surface of the outer casing, and purge the air chamber, pipeline and components with high-purity nitrogen or dry air. Attachment, prepared for refilling SF 6 gas. After the repair, the arc extinguishing chamber is vacuumed immediately after loading the adsorbent, so as to prevent the adsorbent from adsorbing a large amount of moisture in the air and failing. When the vacuum leak detection meter indicates that the seal is defective, the device can be filled with dry SF 6 gas, re-treated, and then vacuumed. If the adsorbent is exposed to air for too long during the re-treatment of the seal, it should be replaced immediately.
MicroBT is a technology company which is based on block chain and artificial intelligence. Focusing on integrated circuit chip and products development, production and sales, and provide corresponding system solutions and technical services. We adhere the ideal"ultimate,win-win,integrity"to provide high quality products and service. Now MicroBT has passed the national high-tech enterprise certification.
As a chip design and produce company, completely design process and independent core technology. The core technology include algorithm,fine optimization of integrated circuit micro-structure ,low power technology, advanced chip packaging technology system level power and cooling technology. These core technologies and engineering methods have been successfully validated and applied in the mass production of our block chain server chips and products.
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