Clean workshop purification air conditioning system
Clean workshop purification air conditioning system
Because the new construction project of the clean workshop is significant and the air-conditioning system accounts for a large proportion, in order to ensure the safe and effective use of the clean pharmaceutical cleanroom in the later stage, the air-conditioning system needs to be confirmed and verified after the installation and commissioning of the air-conditioning system. Confirming the selection and installation of the air conditioning system is...
Text label: clean pharmaceutical cleanroom air conditioning system, purification air conditioning system
Clean workshop purification air conditioning system
Because the new construction project of the clean workshop is significant and the air-conditioning system accounts for a large proportion, in order to ensure the safe and effective use of the clean workshop in the later stage, the air-conditioning system needs to be confirmed and verified after the installation and commissioning of the air-conditioning system. Confirm the selection and installation of the air-conditioning system, whether it meets the requirements of the design and process, confirm the operating performance of the equipment, and confirm that the temperature, humidity, number of dust particles, and number of settled colonies meet the requirements after the system is running.
The confirmation and verification of the air-conditioning system of the clean pharmaceutical cleanroom is divided into pre-confirmation, installation confirmation and operation confirmation.
(1) Pre-confirmation
Inspect from the equipment manufacturer, price, performance and design parameters, etc., to check whether it meets the requirements of design, maintenance and other aspects, whether it can meet the design requirements, and whether the price is reasonable.
(2) Installation confirmation
Check and confirm that the installation of the refrigeration unit (air-conditioning ducted unit) meets the design requirements, and the equipment information and documents meet the requirements of GMP management.
①Confirmation of unpacking: Check whether the documents such as the certificate of conformity, manual and so on are complete; whether the accessories are consistent with the packing list and the contract; whether the appearance of the equipment is intact and free of defects.
②Confirmation of the installation of air conditioners and air duct equipment: whether the electrical installation meets the equipment requirements; whether the installation location meets the equipment and design requirements;
Auxiliary equipment is connected in place.
③Pipeline installation confirmation: Check the material of the air duct, thermal insulation material, installation tightness, etc., and confirm that the installation process meets the requirements of the specification.
④Installation requirements: a. The splicing of galvanized steel sheet adopts single bite or corner bite, and the four corners of flange and rivet flanging should be sealed with epoxy resin sealant. b. There shall be no horizontal splicing in the production of air ducts, and vertical splicing shall be minimized. c. If the bottom width of the rectangular air duct is within 900mm, there shall be no longitudinal splicing seal, and the seams should be minimized when the width is above 900mm. d. Galvanized rivets are used for riveting flanges, reinforcement frames and components. e. The distance between flange rivet holes and bolt holes is not more than 100mm. f. Flange gaskets and sealing gaskets for cleaning ports and inspection ports are made of closed-cell sponge rubber sheets with a thickness of 4~6mm. g. Hollow rivets should not be used, and joints should be minimized. h. The joints should be trapezoidal or tongue-and-groove, and be coated with sealant. Thick cardboard is strictly prohibited. i. The air duct support and hanging bracket should be set outside the insulation layer, and a gasket should be installed between the support and hanging bracket and the air duct, and the support and hanging bracket should be set at the regulating valve and other parts to avoid fixing holes on the flange side. . j. Adjustment accessories such as regulating valve and butterfly valve must be installed, and the operating handle must be installed in a position that is easy to operate. Zhongjing Global Purification can provide supporting services such as consultation, planning, design, construction, installation and transformation of clean engineering and clean workshops.
(3) Operation confirmation
For trial operation, the air-conditioning duct type unit, air-conditioning blower unit and air-conditioning unit should be started and run one by one, and the operation of each unit should be checked. The stand-alone operation should run normally and meet the design requirements.
①System operation requirements: the maximum allowable number of dust in the purification area/cubic meter≤3500000(≥0.5μm), ≤20000(≥5μm); sedimentation bacteria≤10cfu/M; temperature 18~28℃; humidity 45% ~65%.
②Clean area pressure: ≥5Pa pressure between clean areas of different levels, ≥10Pa pressure between clean area and outdoor.
③Measurement and adjustment of the system: measure the air volume and air pressure of the fan, and adjust the air volume balance of the system according to the dynamic pressure flow equal ratio method. When the purification air conditioning system fails the test, it should be readjusted to ensure that the cleanliness meets the requirements. After the air volume is adjusted, keep all the dampers fixed, and brush the scale marks on the adjustment handle. Determine whether the adjusted indoor temperature and humidity can reach the design specified value. Put each automatic control system into operation one by one, adjust the set value according to the design requirements, check the accuracy and reliability of its actions one by one, and adjust each control index to meet the design requirements. According to the actual weather, let the system run continuously for no less than 24 hours, and conduct a comprehensive inspection of the system, adjust and evaluate various indicators, and all meet the design requirements as qualified.
The point for SUZHOU PHARMA MACHINERY CO.,LTD. is that managerial processes are as important as other inputs in production and can create significant competitive advantage.
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