Food laboratory layout and environmental facilities requirements? - Frequently Asked Questions

Food laboratory layout and environmental facilities requirements

Division of functional areas of food laboratories: laboratories of the same type, many engineering pipe networks, laboratories with vibration isolation requirements, clean requirements, and radiation protection requirements are combined together; offices, conference rooms, reading rooms, Auxiliary areas such as reference rooms and dressing rooms should be set up centrally. ...

Text Labels: Food Laboratory Layout, Laboratory Environment Facility Requirements

Food laboratory layout and environmental facilities requirements

Division of functional areas of food laboratories: laboratories of the same type, many engineering pipe networks, laboratories with vibration isolation requirements, clean requirements, and radiation protection requirements are combined together; offices, conference rooms, reading rooms, Auxiliary areas such as reference rooms and dressing rooms should be set up centrally. The design of the front desk of the laboratory mainly considers the convenience and feelings of customers, and reflects the characteristics of laboratory services and culture; the background is the place where laboratory technology is implemented, that is, the implementation area of u200bu200btesting activities, which should be isolated from the front desk from the perspective of laboratory management and technical requirements. An access control system is set up, except in special circumstances, personnel unrelated to the experiment are not allowed to enter at will. The background design mainly reflects the technical requirements and the convenience of logistics and people flow. The layout design should focus on the key parts, especially the public parts that must be completed in the laboratory building design and construction, but cannot be made up afterwards; such as the sample clean room modular required by the special environment, the reservation of ventilation pipe wells, and the instruments and equipment should be grounded, Special requirements for freight elevators and sample transfer elevators, floor height occupied by central air conditioners, water and electrical pipe outlets, location of sub-pipes and network communication, etc., and consider compatibility, matching, convenience, construction feasibility and testing process requirements And other factors.

The design of the laboratory temperature and humidity control system should fully consider the testing standards and the special requirements of the testing samples. The laboratory temperature can be considered to be controlled at about 25°C, and the relative humidity should be kept at 50%-70%. For no temperature and humidity requirements The laboratory area can also not be required; due to the variety of instruments and equipment used in food testing, the requirements for the laboratory environment of the instruments and equipment are quite different, the climate of different latitude regions is greatly different, and the laboratory temperature and humidity control methods are not the same. With the application of a variety of energy-saving, green, circulation and other technologies, the choice of laboratory temperature and humidity control methods is becoming more and more extensive. The design of laboratory heating, ventilation, air conditioning and refrigeration shall comply with the relevant building design specifications, and the requirements for laboratory temperature control and ventilation control should be systematically considered. For the winter heating of the general laboratory in the heating area, the calculated indoor temperature is 18°C-20°C. The heating system should be set in a separate loop in the north-south direction. The radiator of the heating system should be set according to the heating heat load of each natural bay. The radiator and heat dissipation of the system should have the possibility of adjustment; laboratories with constant temperature and humidity requirements should use special processes to control environmental conditions in accordance with the requirements of technical standards or testing standards; generally, laboratories should not use central air conditioners. To ensure the control of laboratory areas with different temperature requirements, and to prevent environmental cross-contamination in different experimental areas; laboratories with large-scale instruments, due to the large heat dissipation of the instruments and equipment, need to install special refrigeration and air-conditioning equipment to ensure room temperature control. Zhongjing Global Purification can provide consulting, planning, design, construction, installation, transformation and other supporting services for food laboratories and sterile laboratories.

Lab water is one of the most basic conditions of the experimental environment, it should meet the relevant requirements, and ensure that the water supply source has a certain water pressure and water volume; testing water is used as a solvent for washing various test utensils and water in the test process. The water for washing test utensils should also consider heating equipment in winter; auxiliary water, cooling water for test equipment and auxiliary facilities, water for washing experimental utensils, and water source for pure water preparation; when the pressure of outdoor pipe network is often or periodically insufficient, Roof tanks and pumps should be considered. The laboratory sewage is treated differently according to the nature, composition and pollution length of the sewage. When the waste water is discharged into the ground water body or the urban drainage system, it must meet the regulations in the comprehensive sewage discharge standard and other relevant discharge requirements; Discharge after neutralization treatment; floor drains should be installed in chemical laboratories and pure water rooms, so that water can be drained in time when water pipes are broken or faucet drainage occurs, so as to prevent laboratory immersion and affect the safety of instruments and equipment; laboratory drainage pipes are generally cast iron The above-ground part of the indoor acid drainage pipeline should be made of hard polyvinyl chloride plastic pipe, and the buried part should be made of acid-resistant ceramic pipe.

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