How to do cold water seepage
The treatment of cold water seepage problems is:
*, find the leaking point plugging, and repair the moisture-proof vapor barrier and insulation layer.
Second, drain the water in the store and keep the cold store dry. There are certain difficulties in solving these two problems, for the following reasons:
1 leak point is not easy to find.
The cold storage wall is a multi-layer structure. After the water enters a certain layer structure, it can flow horizontally first, and then enter the next layer structure. The outdoor leakage point may be far away from the leak point in the library, and the position of the leak point inside and outside the library does not correspond. Therefore, the leaking points of each layer of the building structure are not easy to find.
2 Maintenance is difficult.
First, the cold storage is different from ordinary buildings, the wall is multi-layered, the building structure is complex, and there are many concealed works. The construction of each floor should consider the influence on other structures. How to do cold water seepage
Second, there are fluctuations in the temperature of the cold storage, especially in the rapid cooling room. The fluctuation of the storage temperature is large, and the building materials will be deformed. Therefore, it is necessary to comprehensively consider the thermal deformation properties of the new materials and raw materials, and to make the new materials and the original structural materials in the cold storage. It can be well combined in special environments.
The above two factors indicate that the building materials and construction quality can withstand the test of the special environment of the cold storage. Therefore, it is difficult to repair the cold storage.
3 The maintenance period is long.
First, it is difficult to remove water in the structure. The cold storage is a multi-layer structure, and the water in the structure includes water in various states in the ceiling, the wall, the waterproof layer, the floor, and the insulation layer. To drain the water in the structure, it may be necessary to remove the concealed works in the wall and then repair them in order, which complicates the process and prolongs the construction period.
Second, some building structures in the cold storage should be kept dry, and the cold storage as a closed building has its own characteristics of poor ventilation. Once the water is introduced into the warehouse, even if it is not necessary to disassemble and repair, the wet roof, wall and floor are very It is difficult to completely dry out in a short period of time. If necessary, dehumidification and drainage should be carried out, and the construction period is extended invisibly.
4 Maintenance costs are high.
First, in addition to a set of expensive refrigeration equipment, the cold storage cost of the building itself is larger than that of the ordinary warehouse. This is because it must be provided with an indispensable insulation layer. The cost of the warehouse is two or three times, and the total cost of the cold storage is 5 to 10 times that of the ordinary warehouse, or even higher. How to do cold water seepage
Secondly, because the cold storage is at low temperature and humidity, it is very difficult to carry out maintenance without stopping the production. Therefore, it is generally necessary to stop the production and heat up before the cold storage can be repaired. Not only the maintenance cost is high, but also the loss of production stoppage is greater, and the production is overhauled once. The cost is about 1/2 of the cost of the new cold storage. The leaking point is not easy to find, the maintenance is difficult, the maintenance period is long, and the high maintenance cost, which makes it completely difficult to completely solve the cold water seepage problem.
So, how to avoid the problem of cold water seepage and its harm? This must be strictly implemented from the design, construction, acceptance, and use, maintenance, management and other aspects of the cold storage in accordance with the corresponding system norms. The problems in the previous link will not be delayed. Once the problem of water seepage in the cold storage is found, it should be dealt with as soon as possible to avoid more serious consequences. All problems should be solved before the production is completed. The operation with disease will only bring incalculable losses.
The construction of cold storage is in the ascendant, and our cause is both glorious and arduous. Therefore, we must be both forward-looking and learn from the past. Only high-quality thinking and management can create a century-old project in the industry.
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