Cleanroom distribution system

Cleanroom distribution system general provisions:

  Clean room construction and distribution systems should be the existing requirements of national standard GB50303 "Building Electrical Construction Quality Acceptance", after the required inspection of various materials, pipelines enclosures, switches, lamps, etc..

Cleanroom distribution system
       (Clean room distribution system)
Cleanroom line distribution system requirements:

  2.1 clean area of the electricity lines and non-clean zone lines should be laid separately; the main work (production) area and auxiliary work (production) district lines should be laid separately;
Line and clean areas polluted lines should be laid separately; different process requirements of the lines should be routed separately.
  2.2 through the conduit retaining structure should be added casing, and with no shrinkage, no burning material casing seal. Into the clean room of threading nozzle should be used
Non-corrosive, non-dusting and non-combustible material closed. There are flammable or explosive gas environment, you should use mineral insulated cables, and should be laid separately.
  2.3 should bracket bolts welded steel components in the construction of fixed distribution lines and equipment.
  2.4 Construction of distribution lines earth (PE) or access to zero (PEN) branch must be individually connected to the corresponding trunk, you can not connected in series.
  2.5 metal cable conduit or raceway should jumper ground wire welding, application-specific ground jumper.
  2.6 ground floor through the building envelope and should be added at the steel casing, the casing should be grounded. When the grounding wire cross over building deformation joint, due compensation measures.

Electrical equipment and apparatus for cleanroom distribution system:

  3.1 clean room facilities and equipment used in power distribution 100A following installation distance of not less than 0.6m, is greater than 100A of not less than 1m.
  3.2 cleanroom switchboard (cabinet), the control display panel (cabinet), flush-mounted switch boxes should be adopted, and the gap between the wall of the structure should be airtight and should be coordinated with the architectural decoration.
  3.3 distribution board (cabinet), the control panel (disk) access door should not be opened in the clean room, as must be located in a clean room, should be cubicle to install airtight doors.
  3.4 (cabinet) and external surfaces should be smooth, no dust, easy to clean and, if doors, closed doors should be tight.
  3.5 clean environment suitable for the ceiling lighting installation. When ceiling mounted all through the ceiling aperture sealant application, cell structure should be able to overcome the shrinkage of the sealant. When embedded installation, lighting should be sealed from the non-clean environment. Unidirectional flow hydrostatic bottom surface may not have the bolt, screw through.
  Fire detectors, air temperature and humidity-sensitive components and other electrical equipment 3.6 clean room installed in the air conditioning system before commissioning, should be clean and dust free. In need regular water to clean or sterile environment, these components, the device should be taken to waterproof, anti-corrosion measures.

Cleanroom Distribution System Case
       (Cleanroom Distribution System Case)
Sub-acceptance cleanroom distribution system:

  4.1 Distribution System original design line route design and installation position no party recognition documents, not acceptance.
  4.2 with a memory sub-system of acceptance should include the following main items:
  a electrical wiring and electrical equipment through the building envelope connections, shall be sealed and decorative and architectural coherence.
Inspection method: observation inspection. Number of inspection: checks according to the number of rooms by 30%.
  b wiring for three-phase 380V and 220V single-phase wiring, the insulation should be clearly distinguishable colors.
Inspection method: observation inspection. Number of inspection: checks according to the number of rooms by 30%.
  c junction box or distribution board (cabinet) should have a sufficient margin line tube wire, cable.
Inspection method: observation inspection. Number of test: press room or equipment checks 30%.
  When d distribution installation shall be left visible holes sealed.
Inspection method: observation inspection. Number of tests: 30 percent by room checks.
  e grounding depth should be more than 0.6m, between the ground and the ground from the grounding should be greater than 250mm, the distance between the vertical ground should be greater than 2 times the length of the grounding
Degree, should be greater than the distance between the horizontal ground 5m, spanning structural joints should have compensation measures.
Inspection method: observation inspection, measuring tape. Number of test: All.

Cleanroom automatic control system

General provisions cleanroom:

  1.1 cleanroom construction and acceptance of automatic control systems, electrical and mechanical equipment without special requirements of its own control and control of construction and acceptance.

Cleanroom Automation Equipment
       (Clean room automatic control system)
Cleanroom Automation equipment installation:

  2.1-controlled equipment, instruments and materials in the custody period before installation should not exceed six months. When extended storage, special provisions should be consistent with the custody.
  2.2 Installation of automatic control equipment shall be in accordance with its intended use, choose easy to detect and correct operation of the installation site, around the installation location should be reserved for the corresponding maintenance space.
  2.3-controlled equipment, instruments should be installed in a vibration, humidity, susceptible to mechanical damage, there is strong electromagnetic interference, severe temperature changes and have rot cloud of gas position.
  2.4 Temperature and humidity sensors, temperature changes and severe pressure transmitter should be installed in a true reflection of the position of the input variables, and should avoid blowing straight stream outlet. Should seal the deal between the mounting plate and junction boxes.
  2.5 wind on the tube or pipe plug-in temperature and humidity sensors should choose the thickness of the insulating layer or casing mounting bracket. Tubing to be vertically or horizontally oriented tube fluid.
  2.6 device mounted directly on the pipe, meter, should be in the pipeline purging and pressure testing before installation, must be installed at the same time when the pipeline before the pipeline purge should remove it.
  Shut-off valve should be set between 2.7 pressure transmitter pressure detection site and catheter. Impulse control to the transmitter should you1: 20de tilt. When the pressure transmitter is provided on the steam pipe should be installed to prevent direct contact with the vapor siphon; when provided in the duct, the transmitter should be perpendicular to the air flow direction.

These are the relevant content summary Shandong Ed purify clean room distribution system and automatic control system, you need to learn more about the cleanroom inquiries, please contact: 400-0633-028