Installation of supporting piston refrigeration equipment in dust-free workshop
Installation of supporting piston refrigeration equipment in dust-free pharmaceutical cleanroom
Piston refrigeration system is mainly divided into ammonia system and freon system. According to the cooling capacity and evaporation temperature, there can be different composition diagrams; the pipes with tube wells below 20mm in the refrigeration system are commonly used copper tubes. Thin-walled seamless steel is used when more than 20mm...
Text label: Clean room refrigeration equipment installation, piston refrigeration equipment, clean room installation
Installation of supporting piston refrigeration equipment in dust-free workshop
Piston refrigeration system is mainly divided into ammonia system and freon system. According to the cooling capacity and evaporation temperature, there can be different composition diagrams; the pipes with tube wells below 20mm in the refrigeration system are commonly used copper tubes. Thin-walled seamless steel pipes are used when the thickness is more than 20mm; on-site hoisting and transporting equipment and roads must meet the requirements of the construction plan. During the hoisting process, the stressed place should be prevented from tilting below the center of gravity of the equipment, and the equipment should be bundled firmly. The position of the force point should not deform the chassis of the unit; the contact part between the sling and the equipment should be lined with soft material to prevent the equipment body, pipeline, instrument and other accessories from being damaged or scratched on the surface; for more than two units of the same model The unit should be at the same elevation, and the allowable deviation is ±10mm; the initial leveling is to initially adjust the levelness of the equipment to the level close to the requirements after the equipment is in place and aligned; fine leveling is an important process of equipment installation, in order to achieve quality Accurate adjustment of equipment levelness on the basis of initial leveling, as required by acceptance specifications or equipment technical documents.
The allowable deviation of the vertical and horizontal horizontality of the refrigeration compressor is 0.2‰. After pouring concrete into the anchor bolt holes, the anchor bolts should be tightened, and the leveling should be checked to make it reach the allowable deviation range. When disassembling the equipment, first wipe the surface of the equipment clean, remove the cooling water pipe and oil pipe, then remove the suction filter, take out the buffer spring and exhaust valve group, release the lubricating oil in the oil tank, remove the side cover; remove the lower part of the connecting rod cover, take out the connecting rod bolt and the lower bearing bush; take out the suction valve piece, screw it into the screw hole at the top of the cylinder with a pair of suspenders, take out the cylinder liner, take out the piston connecting rod group, disassemble the coupling, and remove the oil pump cover, Take out the oil pump; if the piston refrigerator with oil seal is within the time limit specified in the technical documents of the manufacturer, and the appearance is intact, without damage and rust, only the cylinder head, piston, cylinder inner wall, suction and exhaust valves, crankcase, etc. can be washed. , and check all fasteners and oil circuits, and replace the crankcase lubricating oil; the unit filled with protective gas has no change in pressure within the period specified in the technical documents, and the appearance is intact, so internal cleaning is not required, and water is strictly prohibited. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean rooms.
The assembly of the piston refrigeration equipment in the dust-free workshop should be disassembled and then assembled, inside and outside, first assembled into components and then assembled; the measurement of the clearance of each part can be directly measured by measuring tools such as micrometer, dial gauge, feeler gauge, etc. It can also be indirectly measured by methods such as light transmission and coloring; all fasteners should be evenly tightened, and all locking parts should be locked; for units with vibration-damping foundations, cooling water pipes, chilled water pipes and electrical pipelines must also be set to reduce Vibration device; liquid supply valve, solenoid valve, expansion valve components should be clean, flexible and reliable opening, various indicator adjustment instruments should be checked;
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