No matter what we do, we must have a plan. Before we prepare to build a laboratory, we must consider the overall plan of the target laboratory decoration, including the nature, purpose, task, basis and scale of the laboratory, and determine the laboratory function and equipment selection. The selection of instruments directly affects the layout of laboratories. So sloppy.
1. floor plan
Determine the overall layout of the laboratory, clear the layout of the laboratory. The laboratory requires effective isolation from the office area, clear division of functional areas, non-interference between the experiments, and smooth evacuation channels. Laboratory water supply follows the principle of convenient access, and flumes are set up where necessary. Especially, beside some instruments that need external water sources, there must be a water tank to facilitate water intake.
Circuit design should take into account the size of the overall power, three-phase electrical requirements, stability requirements of special instruments. In order to facilitate operation and meet the requirements of safety management, laboratories generally require the setting of independent control switches.
A correct and good grounding system is very necessary for the normal, reliable and safe operation of analytical laboratory instruments.
4. gas path
There are two modes of gas supply: centralized gas supply and single gas supply. Gas pipelines should be laid out along the wall for installation and maintenance.
5. ventilation system
Ventilation is an indispensable part of laboratory design. In order to reduce the injury of the experimenters, the laboratory must be ventilated.
There are two ventilation modes in the laboratory, i. e. local exhaust and whole room ventilation. Local ventilation is a kind of near discharge after the production of harmful substances, which can remove a large number of harmful substances with less air volume, and is widely used in modern laboratories. For some experiments, if local exhaust is not available, or local exhaust can not meet the requirements, the whole room ventilation should be used. The focus of attention of ventilation system is the determination of the position of air inlet and outlet and the embedding of air outlet.
Determine the specifications and selection of laboratory equipment: The configuration of laboratory equipment mainly includes the layout mode, structure size, mesa selection, ventilator selection, experimental cabinet selection, safety facilities and so on.
Layout pattern: Layout of the experimental platform focuses on security and convenience. There are several commonly used patterns as follows:
(1) island type. It is the most common pattern. Usually used in large space, rectangular indoor form. This model is characterized by smooth flow of people.
(2) Peninsula type. This is also a typical application mode, which is suitable for narrow rooms.
(3) L type. L type is suitable for narrower room form.
(4) U-type and one-type (i.e. side test-bed) layout is also more commonly used.
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