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This PA is loaded with an 8″ woofer and 1″ tweeter that work together to create a balanced sound that’s suitable for any mid-sized viewers. The 4-channel mixer has two XLR combo inputs with phantom energy, a hello-Z input, 3.5mm aux enter with 2-band EQ, and reverb stage management. Each loudspeaker features a line of eight vertically oriented drivers, and the custom one hundred° waveguide delivers constant coverage. The adjustable coverage pattern mechanically adjusts the EQ to tailor your audio system to your venue. Each subwoofer is loaded with two 10″ excessive-excursion drivers that present floor-shaking bass — even in the back of the home. The audio system stack on top of the subs, making setup a breeze.

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Rounded corners add to the power of the clean room window unit and improve the looks. The unique HPL wall pores and skin ensures compliance with cGMP clean room modular standards and is the choice of major pharmaceutical companies around the world. Nicos works with you to build the modular clear room that most closely fits your pharmacy plan to be compliant with USP ‹797› and USP ‹800› tips.

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To select a reasonable purification air-conditioning system in the , a feasible plan must be put forward according to the requirements of the production process, the nature of the building, the change of air-conditioning load, and the requirements of indoor temperature, humidity, airflow speed, pressure, cleanliness and other control parameters. through...
Text label: decoration company, design, purification air conditioning system selection

Choice of Purification Air Conditioning System in Clean Workshop


To choose a reasonable purification air-conditioning system in the , a feasible plan must be proposed according to the requirements of the production process, the nature of the building, the change of air-conditioning load, and the requirements of indoor temperature, humidity, airflow speed, pressure, cleanliness and other control parameters , which can only be determined through technical and economic comparisons. In order to ensure the normal operation of the purification air-conditioning system and facilitate centralized management and adjustment, a centralized purification air-conditioning system should be adopted; for rooms with a low utilization factor or inconsistent operating shifts during the production process, and the clean workshops are scattered, consider using a semi-centralized system. It is advisable to use a type or decentralized purification air-conditioning system; for the renovation and purification project, it should be flexibly handled according to the requirements of the production process and the specific conditions of the existing building, according to local conditions. If the original clean room modular has an air conditioning system, filter equipment can be added on the basis of the original air conditioning system, and the air volume and air pressure of the fan can be increased by taking measures such as increasing the number of fan revolutions, replacing the fan or connecting the fan in series.


According to the different requirements of each , add different local purification equipment. If the original workshop does not have an air conditioning system, consider setting up a centralized or semi-centralized purification air conditioning system if conditions permit. Then the method of combining the purification air conditioning unit with the purification equipment can be used. The fresh air duct section of the purification air-conditioning system should be equipped with electric airtight valves and regulating valves, and the return air pipeline should be provided with regulating valves to adjust the air volume sent to each clean clean room modular, adjust the return air ratio and adjust the positive pressure value of the clean room , the air outlet of the air conditioner should be provided with a closed control valve for the adjustment of the total air supply of a single air conditioner and the shutdown of the parallel operation when the air conditioner is out of operation; the exhaust system of the should also be equipped with a control valve and a check valve. Or electric closed valve, in which the regulating valve on the suction pipe section of the exhaust system is used to adjust the local exhaust air volume. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean workshops and clean rooms.














The selection of materials for air ducts and accessories should not affect the air purification effect and the economy. The materials used to purify the air ducts and accessories of the air-conditioning system should be determined according to the degree of purification of the air being transported. The material with high degree of cleanliness is not easy to generate dust, and the material with low degree of cleanliness is selected with less dust generation. The materials and coatings of the air duct machine regulating air valve of the purification air-conditioning system, the protective net of the high-efficiency filter, the orifice plate, the diffusion orifice plate and other accessories should be determined according to the cleanliness requirements of the conveyed air and the air environment conditions in which it is located; cleanliness The production materials and coatings of accessories such as air ducts, regulating valves, check valves, and electric closed valves of the exhaust system in the workshop should be determined according to the nature of the exhaust gas and the air environment in which it is located. Accessories, thermal insulation materials, sound-absorbing materials and adhesives are all made of non-combustible materials or flame-retardant materials; noise reduction measures should be taken on the return air main pipe and suction pipe section of the purification air-conditioning system to meet the noise requirements in the . Noise reduction measures should also be taken on the exhaust pipe of the purification air conditioning system and the exhaust pipe section of the local exhaust system. Before and after the air filter, pressure measuring holes or differential pressure gauges should be installed, and air measurement holes should also be installed on the fresh air duct, supply and return air ducts, so as to know the resistance changes of air filters at all levels at any time. Carry out adjustment management.
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Intelligent control of air conditioning system in clean clean room modular workshop

In order to realize the intelligentization of the fresh air purification system, it is necessary to ensure the accuracy of monitoring first, and to monitor air quality parameters such as PM2.5, temperature and humidity, CO2, etc., to provide a basis for air filtration and purification, and to make the operation effect of the fresh air purification system directly Perception, able to intuitively display indoor space...
Text label: Clean room air conditioning intelligent control, clean clean room modular system

Intelligent control of air conditioning system in clean clean room modular workshop


In order to realize the intelligentization of the fresh air purification system, it is necessary to ensure the accuracy of monitoring first, and to monitor air quality parameters such as PM2.5, temperature and humidity, CO2, etc., to provide a basis for air filtration and purification, and to make the operation effect of the fresh air purification system directly Perception, can intuitively display indoor air quality; through the touch panel, it is convenient to set the operating parameters of the equipment, according to the real-time detection results and the set operating parameters, the fresh air purification equipment such as air valve switch, fan speed, and the whole machine switch can run intelligently , which not only saves energy but also customizes the indoor air quality. Fresh air purification system intelligent fresh air unit monitoring and control functions and control methods: state monitoring and detection, detection of initial efficiency, medium efficiency, sub-high efficiency filter and fan pressure difference switch status, fan inverter operation status and fault alarm, filter clogging alarm; Air cleanliness control, by setting three-stage filtration of primary, medium and high-efficiency air filters, the air can reach the required cleanliness; fan control, the fan control box is equipped with manual and automatic selection switches, usually in a natural state, by The monitoring center automatically controls the start and stop of the fan through the remote control of the automatic control system or the pre-designed time program. Interlock control, electromagnetic regulating valve, fresh air damper and fan start interlocking, when the blower starts, open the cold water valve and fresh air damper, adjust the cold water valve, after the fan stops, the new return air damper, electric control valve, solenoid valve automatically close, After the fan is started, when the pressure difference between the front and rear is too large, a fault alarm will be issued, and the machine will stop in a chain.


Using intelligent lighting control, various information in the lighting system can be automatically collected according to environmental changes, work requirements, functional requirements and other conditions, and the collected information can be logically analyzed, reasoned, judged, and analyzed. The results are stored, displayed and transmitted in the required form, and the corresponding working status information feedback control is carried out to achieve the expected control effect. The construction of laboratory intelligent lighting system: it has good energy-saving effect and brings considerable economic benefits; prolongs the life of lamps and lanterns through soft start technology; improves the working environment and improves work efficiency; realizes various lighting effects; improves management efficiency and reduces maintenance costs. Remote control, centralized control; timing automatic control; dimming control; linkage control; scene function control; Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for clean rooms and clean workshops.














Lighting has the control function of single-circuit switch and group switch; has the control function of single-circuit dimming and group dimming; has the control function of the overall scene combination change; has no manual management logic function, timing control; control The system has dry contact signal and analog signal access functions, which can cooperate with human body sensing, illumination sensing, and fire protection systems for linkage control; the system can expand auxiliary control functions such as curtains, air conditioners, etc.; the control system has open communication interfaces and protocols, It is convenient to link with the total integration.
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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.
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Sterile laboratory ventilation system requirements?

Aseptic laboratory ventilation is to discharge the dirty air in the room directly or after purification to the outside to replenish fresh air, so as to maintain the indoor air conditions, so as to meet the hygienic standards and the requirements of the production process; the classification of ventilation , According to the power, the ventilation system...
Text label: sterile laboratory, ventilation system requirements, laboratory system

Aseptic pharma machinery ventilation system requirements?


Aseptic laboratory ventilation is to discharge the dirty air in the room directly or after purification to the outside to replenish fresh air, so as to maintain the indoor air conditions, so as to meet the hygienic standards and the requirements of the production process; the classification of ventilation , According to different power, ventilation system can be divided into natural and mechanical ventilation, and mechanical ventilation can be divided into general ventilation and local ventilation; laboratory ventilation and comfort air conditioning system have different ventilation design requirements, the main purpose is to provide safe and comfortable work environment, reducing the possibility of personnel being exposed to dangerous environments. Ventilation mainly solves the problem of physical health and labor protection of the working environment for the experimental personnel; the ventilation terminal equipment mainly includes fume hoods, universal exhaust hoods, atomic absorption hoods, absorption Type exhaust hood, etc.; ventilation pipeline system mainly includes air ducts, air valves, mufflers, waste gas treatment towers, etc.; ventilation units mainly include fans.


ventilation design, the ventilation volume can be determined according to the number of air changes in the room. The number of air changes in the laboratory is 10-12 times per hour, and can be increased accordingly in special circumstances. The room ventilation is generally 500*500mm The iron hood is used as the ventilation terminal equipment, and the air volume of each hood can reach 600m3/H; the air speed of the branch pipe of the fume hood is 6-10m/s, and it can exceed 10m/s in special cases, but it should not exceed 12m/s; the air speed of the main pipe is 10-10m/s. 14m/s, the calculation time is generally 10m/s, if the pipeline is relatively long, 12m/s is selected, and if the air volume is large, 14m/s is selected; the surface wind speed of the fume hood is generally controlled at 0.375-0.75m/s, and the acceptance standard is generally 0.5m /s, the best surface wind speed is 0.508m/s; when measuring the wind speed, generally pull the sliding door to a height of 5cm to measure, the wind speed reaches 0.3-0.5m/s, if the height of the sliding door is too large, measure the height of 5cm below the sliding door wind speed. The outdoor noise should be controlled at 70 decibels, and the indoor noise should be controlled at 55 decibels. The noise of the fan can be divided into its own mechanical noise and wind noise. When the power of the fan is not large, the wind noise can be eliminated by adding a rain cover above the fan. , When using high-power fans, mufflers are generally added at the inlet and outlet of the fan to eliminate wind noise. Mechanical noise is mainly solved by building soundproof walls or adding soft joints at the inlet and outlet of the fan. Install shock absorbers or add shock pads. The function of the electronic air valve is to adjust the ventilation volume of each fume hood by adjusting the radius of the air duct of each fume hood, so as to keep the surface wind speed constant when the opening area of u200bu200bthe fume hood changes. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for sterile laboratories and microbiology laboratories.














Galvanized steel ducts are commonly used in air-conditioning supply and return ducts. They have the advantages of long service life, low frictional resistance, and quick and convenient production. The disadvantages are limited by processing equipment, and the thickness should not exceed 1.2mm; stainless steel ducts are often used for super The air supply pipe after the high-efficiency filter of the net system, the pipeline for transporting corrosive gases, has the advantages of beautiful appearance, smooth inner wall, low resistance, good air tightness, high compressive strength, corrosion resistance, high temperature resistance, and high cost; inorganic glass fiber reinforced plastic Air ducts are often used in air-conditioning systems and fire-fighting smoke exhaust systems. They have the advantages of corrosion resistance, long service life and high strength. The cost is basically the same as that of steel plate air ducts. Heavy and difficult on-site maintenance; flexible air ducts are used for the connection between ventilation and air-conditioning ducts and end devices; circular air ducts have high strength and consume less steel, but take up a large amount of effective space. The air duct should be a circular spiral air duct; the rectangular air duct occupies less effective space and is easy to arrange.
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