Technology of eliminate leak in a horizontally located tank

Introduction. One of the most common ways to eliminate leaks from storage facilities (tanks) and process equipment is to release the tanks in which a leak is detected from the product stored in it. The following methods are the repair of tanks-sealing cracks and through holes with the help of devices, including product-resistant lining and inserts (plugs), special tie bolts (rivets) with washers and nuts, as well as the introduction of the product bran. Experimental and analytical analysis of the composition of the operations of these methods showed that they have a great complexity, which increases the time to eliminate leaks.
Technology. The essence of the technology lies in the fact that between the standard inflatable pillow with eyelets in the corners and the upper and lower tension belts are attached to the connecting unit. The connecting node allows the use of two belts less. The article presents photos of the connecting unit and the main stages of the inflatable pillow overlay at the vertical location of the fastening belts on the railway tank.

Results and discussion. The proposed technology ensures the achievement of social, economic and technical results, consisting in: improving the safety of work to eliminate leaks; increasing efficiency; reducing the time of elimination of leaks by accelerating the installation of an inflatable pillow; increasing environmental safety, by reducing the time of elimination of leaks; providing a higher level of security by eliminating the actions at height and reduce the time of elimination of leaks; simplification and reduction of labor intensity by reducing the total number of operations; reducing the impact of human factors on the duration of time to eliminate leaks. 
Conclusion. The comparative timing of the installation of an inflatable pillow by conventional methods and through the proposed technology showed the following: the duration of the leak elimination by the known method was 15–20 minutes; the duration of the leak elimination by the considered technology was 3–5 minutes. To ensure intrinsic safety, the connecting node is rubber-coated.

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