Installation of combined purification air-conditioning unit in clean room workshop

Installation of combined purification air-conditioning unit in clean room workshop

Combined purification air-conditioning units with small air volume are components that leave the factory and are installed on site. Similar to general combined air-conditioning units, they are composed of different functional sections; combined purification air-conditioning units with large air volume are sometimes used. Parts shipped from the factory, assembled on site,...

Text label: clean clean room modular air conditioning unit installation, clean workshop combined purification air conditioning unit

Installation of combined purification air conditioning unit in clean room workshop

Combined purification air-conditioning units with small air volume are components that leave the factory and are installed on site. Similar to general combined air-conditioning units, they are composed of different functional sections; combined purification air-conditioning units with large air volume are sometimes used. The parts are shipped from the factory and assembled on site, and the wall panels of the unit are made of composite panels; the connections between the various sections of the unit are usually bolted, and the joints are sealed with sponge rubber sheets. Usually, the manufacturer sends people to install or send technicians to guide the installation. ;The foundation should be made of reinforced concrete, the length and width of the foundation should be increased by 100mm than the length and width of the unit shape, the height of the foundation should be determined according to the water seal of the condensate drainage pipe and the drainage slope, the foundation plane should be flat, and the horizontal error of the foot line should be determined. It should not be larger than 5mm. In order to protect the floor of the unit from corrosion, two I-beams or channel steels of suitable size should be placed at the lower part of the unit; in the lower part of the surface cooler, heating and fan section, the cushioned steel should be added as appropriate, and under the fan Horizontal section steel is also required to increase the strength. The construction error of the foundation plane can also be eliminated by adjusting the section steel. The I-beam or channel steel under the unit should be treated with anti-corrosion and anti-rust treatment.

For the installation of the combined air-conditioning unit that leaves the factory, in principle, it should be installed in sequence from one end to the other. However, since the surface cooler, heater, fan and its base are heavy, it is necessary to install the floor of this part. These equipment should be hoisted first; the fan and motor have been assembled on the vibration-damping base by the manufacturer, and do not need to be disassembled during installation unless the size is too large and the door is restricted. When disassembling and installing, the motor should be adjusted before assembling the side panel. After these major components are installed in place, remove the hoisting equipment, install all the bottom plates, level and align, and seal the joints; the power cable inlet of the unit should be passed through the wire tube and tightly sealed, and the wire tube should be extended. To the motor junction box, the shock absorber of the fan should be protected during the installation process, and the rigid protection block should be removed after the fan is in place, so that the shock absorber can be evenly stressed; the slope of the stainless steel condensate pan under the surface cooler should be adjusted. Well, to ensure that the condensate drains smoothly. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.

When assembling the box body panels, the dust on the wall panels and various parts should be wiped off at any time, and the sealing materials should be checked at any time to see if they are neat and undamaged, otherwise they need to be replaced; after the box body is assembled, the access door is installed in place , The interior of the combined air-conditioning unit should be cleaned again, the temporary protective film on the surface cooler, heater, etc. should be torn off, put on clean work clothes and work shoes, installed primary and medium-efficiency filters, connected to the power supply and repaired for safety. After the installation of lamps and air-conditioning units, the air leakage detection should be carried out together with the supervisor; the inlet and outlet water pipe interfaces of the surface cooler and heater of the combined purification air-conditioning unit are usually external thread interfaces. During the pipeline installation process, due to the on-site threading equipment Most of the maximum pipe diameters can not meet the pipe diameter requirements of the water pipe interface. Some units use lathes to process the threads of the connecting pipe sections and use pipe hoop threads to connect. If there are errors in the thread processing, it is easy to leak water during the pressure test. , so many construction units usually use flange connection for these large diameter threaded interfaces, which is convenient and reliable, and also eliminates the need to install union pipe fittings for threaded connections, resulting in an increase in installation length; When welding flanges at the water pipe joints of the surface cooling section and heating section of the air-conditioning unit, special attention should be paid to the protection of the box wall. Usually, multi-layer soaked asbestos cloth can be used to close and cover the wall at the water pipe joint. Cover with a metal plate.

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