Influence Of Material Selection Of PU Panel Cold Room Plate On Cold Storage Engineering

Today, the PU panel cold room plate is mainly made of polyethylene and polyphenylene. In addition, there is a PU panel cold room with the best performance. The insulation material foamed by polystyrene is thin in density and not enough for heat preservation. Generally, polyethylene is a good raw material for special equipment. After a certain proportion, it can foam cold storage with appropriate density, good heat preservation effect, and high bearing capacity Warm material. Polyurethane board has the best thermal insulation performance, no moisture absorption, but the price is slightly higher. The protective materials and selection of cold storage plates are mainly as follows: A, embossed aluminum plate B, stainless steel plate C, color zinc steel plate D, salinized steel plate e, standard floor plate.

There are several common cold storage plates: embossed aluminum plate, stainless steel plate, color zinc steel plate, salinized steel plate, 1.0 mm galvanized standard floor plate. The polyurethane rigid foam liquid is injected into the middle, the board or other materials are made into the surface and the board, and then solidified and pressed to form. Due to the metal surface, the plate can roll out different waveforms, so that its overall stiffness is stronger and its bearing capacity is higher. The excellent adhesive properties of the medical cold storage polyurethane make the foam and metal surface form a firm whole so that no other adhesive materials are needed. Therefore, the polyurethane filler board can not only meet the firmness and physical requirements of the external wall structure but also is cheap. It is an ideal cold storage board material, which can be used and promoted in all kinds of Guilin cold storage projects. It is one of the most promising new wall materials, which is technically feasible and economically reasonable.

The thermal insulation materials for PU panel cold room construction should have good thermal insulation performance. The selection of heat insulation data must be based on local materials and be economical and applicable. However, the old cost of cold storage construction is higher; polyphenylene resin has strong water absorption and poor thermal insulation, but the old cost is low. In modern times, the structure of most Guilin cold storage is being carried out in the form of assembly, which includes a moisture-proof layer and thermal insulation layer. The advantages of this method are that the construction is convenient, rapid, and movable, but the cost is relatively high. The selection of cold storage board is very important for cold storage because it is different from other warehouses. Choose the right plate to better maintain cold storage. The construction of cold storage board and medicine cold storage has high requirements for temperature and humidity. So in the selection of cold storage board to pay attention to the material and thermal insulation strength of the plate. Generally, it is produced in advance by the manufacturer, with fixed length, width, and thickness. High and medium temperature cold storage generally selects 10 cm thick plate, low-temperature storage and freezing warehouse generally selects 12 cm or 15 cm thick plate; therefore, if it is not the predetermined warehouse plate, the density and thickness of steel plate should be paid attention to when selecting materials, and the thickness of steel plate of regular manufacturers should be more than 0.4mm According to the national standard, the foam density is 38kg40kg / m3.

Therefore, the material selection of the PU panel cold room plate has a great impact on the subsequent use. When building cold storage, we must pay attention to the material selection, and the follow-up maintenance project will save a lot of labor.