Comparison between SPF laboratory animal room and P3 biological laboratory construction

The following is a summary of the construction of these two laboratories combined with the actual situation of the laboratory built by our company.

The P3 biological laboratory is mainly used for monitoring and testing some toxic and infectious pathogenic microorganisms, especially some strong infectious diseases such as epidemic hemorrhagic fever, cholera, plague and AIDS. Due to the hazard and particularity of the target (ie, the experimental sample), it not only needs to prevent the sample from being contaminated by the outside, but also prevents the sample from contaminating the worker and the external environment is one of the characteristics of its design and construction work.

SPF-class laboratory animal room, the target is the animal. Mainly white mice and white rats. Its subject matter is mainly used for scientific research, disease prevention and control for various experiments. One of the main features of the subject itself is that it is sterile and free from external pollution. It has minimal damage to its work (feeding and testing) personnel and the external environment.

After clarifying the two objects and their relationship with the external environment and the staff, we can focus on the design and construction of the laboratory. From the common point that these two types of objects should not be affected by external environmental pollution, both types of laboratories should have high cleanliness, and should be closed, indoor walls, ceilings, and floors should be smooth and easy to clean, leaving no dead ends. , try to open holes as little as possible.

Therefore, based on the construction of these two laboratories, the wall and ceiling are made of fire-resistant color steel plate, the floor is epoxy self-leveling 3mm thick, and the interface is sealed and treated with aluminum alloy rounded corners. Because these two types of objects have different characteristics for their experimental environment, they also have obvious characteristics in architectural design and layout. The biggest difference is the difference between air pressure and airflow in its working room. Due to the high hazard of the P3 biological laboratory, it not only emphasizes the protection of the sample but also emphasizes the protection of the experimenter and the external environment.

This requires that the working chamber should be under negative pressure, and the indoor airflow should not be arbitrarily spilled. It must be safely treated before it can be discharged. The direction of the airflow is consistent with the direction in which the worker enters the studio.

From the dressing room (normal pressure) → cleaning corridor (micro-negative pressure) → air lock chamber (excessive negative pressure) → studio (negative pressure), from high to low. Ensure that the airflow flows in an orderly manner and is discharged at a high altitude after being safely disposed. The tightness of the laboratory and the regulation of air pressure are key to the success of the P3 biological laboratory design and construction. The SPF-class laboratory animal room is sterilized, non-polluting and has no harm to the staff and the external environment. Protecting the target from pollution is the most important thing in its design and construction. It should be high to low in air pressure and airflow design: clean corridor (50Pa) → studio (35Pa) → pollution corridor (20Pa) → pre-treatment chamber (10Pa) , through centralized exhaust duct, through appropriate And handle the discharge to the atmosphere.

In addition, because the target object has high requirements on its living environment conditions during its observation and breeding period, it has higher requirements in terms of cleanliness, temperature, humidity, wind speed and illumination, so it should also be considered in its design and construction. One of the important factors. There are also the same and different aspects in the treatment of dirt and the entry and exit of people and things.

Both types of laboratories are shunted in the path of the characters. Because the objects (samples) entered by the P3 biological laboratory are highly toxic, they should be disinfected and sterilized after the experiment. The objects entering the SPF laboratory animal room (mainly animal feed and utensils) should be firstly subjected to high-pressure aseptic sterilization. The waste generated by it is less harmful and generally can not be disposed of.

In this way, different methods can be adopted for high pressure disinfection and sewage treatment. Therefore, according to its characteristics and the actual situation of the building, we have selected a portable autoclave in the construction of P3 biological laboratory. In the construction of the SPF laboratory animal room, we chose the wall-passing autoclave.

In addition, there are still many factors to be considered in the design and construction of these two types of laboratories. They should also strictly follow the national standards for laboratory design and construction, and will not be repeated here.

In short, only by fully understanding the characteristics of the subject matter and their impact on the environment and requirements, can we design and build a laboratory with first-class level and strict compliance with standards.

Long Range LiDAR Radar

Long distance LiDAR sensor series are particularly easy to communication thanks to their fixed connector, which can be plugged it up and off by yourself. Voltage is wider from 8v before to 36v. Low power consumption feature makes it beceome a very competitive, high performance-price ratio, long range Laser Distance Sensor.

Highlights:

> Measurement frequency: 400 Hz (Max 60m 3000Hz)
> Long range: 200m
> High temperatures: -10~+50℃
> UART output
> Connector design: easy to use

Parameters:

Chengdu JRT Main Ranging Modules: Industrial Laser Distance Sensors, Laser Rangefinder Sensor, Tof LiDAR Sensors.

Speed Laser Sensor,Long Range Lidar,Long Range 3D Lidar,Long Range Radar Sensor

Chengdu JRT Meter Technology Co., Ltd , https://www.accuracysensor.com