Soil top planting and drainage system for hazardous chemical substance storage tank

Abstract

The invention discloses a soil top planting and drainage system for a hazardous chemical substance storage tank. The planting and drainage system comprises a water passing layer, a blocking layer, a first blocking part, a second blocking part and a waterproof heat preservation layer; the water passing layer is arranged on the drainage system top layer; the blocking layer is arranged at the bottom of the water passing layer and provided with a drainage pipe; the first blocking part is arranged on the blocking layer and surrounds the water passing layer; the second blocking part is arranged on the blocking layer, and the first blocking part, the blocking layer and the second blocking part form a water passing channel surrounding the water passing layer; the waterproof heat preservation layer is arranged at the bottom of the blocking layer; and the blocking layer, the waterproof heat preservation layer and the water passing channel extend to the second blocking part all the time, a drainage space is formed at the bottom of the second blocking part, it can be guaranteed that rainwater directly falling into the water passing channel directly enters the drainage space of the second blocking part along the water passing channel and then is drained into a downpipe, and it is avoided that rainwater washes the connecting end of a waterproof layer to be exposed and damaged for a long time. The planting and drainage system can have waterproof and heat preservation effects on the hazardous chemical substance storage tank.

Description

technical field [0001] The application belongs to chemical process control pressure-bearing equipment and geotechnical engineering, in particular to a planting drainage system on the soil top of a hazardous chemical storage tank. Background technique [0002] With the continuous development of the economy, the energy consumption per capita in the society is constantly increasing. Even in the case of the increasing proportion of secondary energy, the use of petroleum energy as a traditional energy still occupies a large proportion, while the actual use The quantity is also extremely huge. [0003] Since the production, processing and use of petroleum are not in the same area in most cases, transportation and storage are required. Because the medium in the liquefied hydrocarbon storage and transportation tank farms in petrochemical enterprises is flammable and explosive, the relevant regulations require the storage tanks to maintain a certain safety distance from other buildi...

AI Technical Summary

Problems solved by technology

Especially when encountering rainy weather, a large amount of water is immersed in the outer wall of the storage tank and is not easy to discharge. Under the action of air and water in the soil, it will cause corrosion to the outer wall of the storage tank, and under the combined action of water and air, it will also promote the accumulation of water in the soil. The growth of microorganisms, microorganisms also participate in corrosion reactions, further aggravating the corrosion of storage tanks,

[0006] When the corrosion is severe, the steel tank will be perforated, causing leakage and causing explosions, fires, etc.; and because liquefied hydrocarbons need to be stored in a low-temperature environment, when the external temperature becomes high, the storage tank buried underground will not be able to maintain low temperature. The molecules of liquefied hydrocarbons become active, which can easily cause an explosion and cause greater losses

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