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  • Design of Refrigeration Engineering for Cold Storage

Design of Refrigeration Engineering for Cold Storage

Clean the cold storage is the bio-pharmaceutical industry used to warehousing, turnover of low-temperature clean room, is a clean function of high-temperature cold storage, the temperature is generally: 4 ℃ - 10 ℃, the cleanliness generally in: 100 - Therefore, some people call the low-temperature clean room. Built in the south of the environment of the pharmaceutical refrigeration storage design company.
  • Case Introduction

Pharmaceutical refrigeration storage project
First, clean cold storage is the biopharmaceutical industry used to warehousing, turnover of low-temperature clean room, is a clean function of high-temperature cold storage, the temperature is generally: 4 ℃ - 10 ℃, the cleanliness generally in: 100 - between. Therefore, some people call the low-temperature clean room. The volume is relatively small, generally between 8-800 cubic meters.

无菌制药冷库工程

Second, the application of clean cold storage industry: mainly used in bio-pharmaceutical, biological culture, drug storage, recombinant genes, vaccine preparation and other fields.
The composition of a clean cold storage consists of the following systems (which are indispensable in the composition of the system molecules), otherwise it will not be able to form a complete and well-qualified clean room.
1, insulation library;
2, low temperature air conditioning purification system;
3, online intelligent control part;
4,24 hours of uninterruptible power supply.

制药厂冷库工程

Fourth, the working principle of clean cold storage
1) When the cooling, the indoor return air (interior design point) and the new wind (outdoor design status point) mixed by the initial effect of the filter to remove dust in the air, into the modular air conditioning unit of the surface cooler for hot and humid Treatment, and low temperature chilled water in the surface cooler for heat and moisture exchange, the air from the mixing state point to the machine dew point, while the chillers through the cold water temperature rise, flow back to the cooling room.
2) the combination of air conditioner exports a low temperature wind along the duct into the air conditioning area, a low temperature air through the air outlet directly into the air conditioning area. If the use of ordinary tuyere, will produce tuyere condensation and cold air distribution and other issues; therefore need to use a special low-temperature air outlet to solve the condensation and air flow problems. At present, the equipment is mainly dependent on imports, expensive, and thus a certain extent hindered the low temperature air supply system in the domestic application and development.

无菌制药冷库工程

Fifth, clean cold storage construction process points
1) condensation problem
2) winter hot air problem
3) do not use secondary coil problems
4) duct leakage problem

Six, cold storage evaporator installation specifications
1, the installation of the contents: the first hanging screw holes open well, and open a good copper and wire holes, after the two holes to be trimmed to prevent the mouth to leave hidden dangers, with the rear of the evaporator with the vertical and vertical positioning 300MM, The evaporator drain hole and the vertical board of the vertical hole is vertical, the height difference between the two is 250MM, in the case of freezer, drains through the drainage of electric heating wire, drainage heating wire heating parts, can only reach the library board 50MM, Drain pipe external insulation treatment, refrigeration without electric wire, the other the same.
2, lifting Note: Evaporator inlet can not be facing the cold storage library door, the best evaporator hanging in the cold storage of the longest end, the evaporator outlet is best not to the door, (evaporator center, in order to repair) The