Design and installation of water supply and drainage in industrial clean workshops
Design and installation of water supply and drainage in industrial clean workshops
The layout of water supply and drainage pipes in clean workshops, all kinds of main pipes should be arranged in technical interlayers, technical passages, and technical shafts; concealed risers can be arranged in wall panels, special-shaped bricks, pipe grooves or technical passages; installed in technical interlayers The pipes and valves in the channel can be mounted on the surface or in...
Text label: Industrial clean workshop, clean workshop water supply and drainage, clean workshop design and installation
Design and installation of water supply and drainage in industrial clean workshop
The layout of water supply and drainage pipes in clean workshops, all kinds of main pipes should be arranged in technical interlayers, technical passages, and technical shafts; concealed risers can be arranged in wall panels, special-shaped bricks, pipe grooves or technical passages; installed in technical interlayers The pipes and valves in the channel can be installed on the surface or in the wall cabinet. The wall cabinet is appropriately equipped with movable panels to facilitate maintenance; the clean room is in a constant temperature and humidity environment, and there is a temperature difference between the water in the pipeline and the surrounding environment. When the temperature of the pipe wall is lower than the air dew point, it is easy to cause condensation on the outer wall of the pipe, thus affecting the indoor temperature and humidity, and it is easy to breed organisms, thereby polluting the indoor environment. The outer surface of the anti-condensation layer should be made of smooth, easy-to-clean and corrosion-resistant materials as a protective layer; the leakage of clean air in the clean pharmaceutical cleanroom will also cause energy waste, so the pipe crossing should be sealed by casing. Strict sealing measures should be taken for the parts where the casing cannot be set, such as the selection of materials such as microporous sponge, rubber ring and epoxy resin cold glue.
Production, living and fire fighting in clean workshops will have different requirements on water quality, water temperature, water pressure, water volume, and usage time. Setting them separately will help manage each water system and save operating costs; When the outdoor water supply pipe network for production and domestic water is shared, in order to prevent the domestic water system from being polluted, the production and domestic water should enter the household separately, and a check valve should be installed on the supervisor of the production water inlet, and at the same time, it must meet the current national standards; The selection should be comprehensively determined from factors such as corrosion resistance, convenient and reliable connection, durability and non-leakage of the interface, temperature deformation of the material, and anti-aging performance. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean workshops and clean workshops.
Water sealing and ventilation of the gravity drainage system are extremely important to maintain various indicators in the clean workshop. If the drainage system cannot maintain the water sealing, in addition to the entry of odors, it will also bring bacteria and other pollutants, affecting the indoor environment. Environment; the inspection port of the drainage riser does not need to be set in the clean workshop; the cleaning port on the horizontal drainage main pipe should be avoided to be set in the clean workshop, if it is unavoidable, it should be set in an area with a lower cleanliness level; Class A, Class B It is strictly forbidden to set up cleaning ports in clean workshops; for clean workshops that do not often drain water from the ground, no or less floor drains should be set up to avoid indoor environment pollution due to the drying of the water seals of floor drains; it is forbidden to set up in the A and B clean areas of aseptic production Pools and floor drains. In other clean areas, pools and floor drains should have appropriate design, layout and maintenance, and install devices that are easy to clean and have an air blocking function to prevent backflow. When production requires indoor floor drains, they should be used. A clean floor drain with reliable water sealing function dedicated to clean workshops to avoid the risk of microbial contamination of the clean environment by the sewer system. Plastic drainage pipes should be used first in the workshop. Construction rigid PVC drainage pipes have the characteristics of light weight, easy installation, energy saving, non-scaling and non-corrosion. Standard, building height, and seismic requirements are selected; when the drainage temperature is greater than 40 °C, metal drainage pipes or heat-resistant plastic drainage pipes should be selected.
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