Method for monitoring oil leakage at bottom of storage tank
A technology for oil leakage and storage tanks, which is applied in the field of oil leakage monitoring at the bottom of storage tanks, can solve problems such as environmental pollution of people and property, safety and environmental pollution accidents, and aggravated accident consequences, so as to reduce equipment investment and construction costs, Enhanced integrity and operational safety effects
Active Publication Date: 2019-09-20
BC P INC CHINA NAT PETROLEUM CORP +2
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Problems solved by technology
[0002] During the operation of the pipeline, due to reasons such as tank bottom plate corrosion, construction quality, material defects and foundation cracks, the oil at the bottom of the storage tank leaked, which eventually brewed into a safety and environmental pollution accident, which caused great adverse effects on society and enterprises. , but also brought a serious threat to the life and property safety of the people around the tank area
If the relevant information such as whether the bottom of the storage tank is leaking is not grasped in time and dealt with in a timely manner, the consequences of the accident will continue to increase, causing serious environmental pollution and major personal and property losses.
[0003] For the leakage of oil at the bottom of the storage tank, previous projects could not carry out leakage monitoring, and the leakage problem could not be found in time. As a result, relevant problems can only be discovered when there are major accidents such as oil leakage and pollution that can be observed by the human eye.
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[0036] The present invention will be described in further detail below through specific embodiments and in conjunction with the accompanying drawings.
[0037] Such as Figure 1-3 As shown, a method for monitoring oil leakage at the bottom of a storage tank according to an embodiment of the present invention includes:
[0038] Step 1, storage tank foundation construction, including a compacted layer 10, an anti-leakage layer 9 and a sand cushion layer 8 from bottom to top, and a plurality of pre-buried holes are reserved at equal intervals in the sand cushion layer 8 .
[0039] In this step, the compacted layer 10 is compacted with backfill soil. The anti-leakage layer 9 covers the compacted layer 10 with HDPE film. The sand cushion layer 8 is compacted in layers of well-graded and hard medium-coarse sand, crushed stones, and pebbles. As the bearing layer of the storage tank foundation, multiple pre-buried holes are reserved after compacting multiple layers.
[0040] Step 2...
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The invention discloses a method for monitoring oil leakage at the bottom of a storage tank. The method comprises: carrying out foundation construction of a storage tank; installing PVC pipes with holes and oil-sensitive cables; installing cable end boxes and connection cables; installing a terminal connection cable; installing the storage tank on the tank foundation; installing an alarm device; setting an alarm threshold and sampling time; collecting electrical characteristic signals of the oil-sensitive cables and carrying out calculation; recording a sampling time tag by the alarm device and starting a timing program; and triggering alarming by the alarm device and displaying a leakage degree and a leakage location. The method has the following beneficial effects: leakage monitoring and alarming of the bottom of the storage tank are realized; the leakage location is estimated; the integrity and operation safety of the storage tank are enhanced; the bottom leakage monitoring of the storage tank becomes practical; and the equipment investment and construction costs are reduced.
Description
technical field [0001] The invention relates to the technical field of pipeline systems, in particular to a method for monitoring oil leakage at the bottom of a storage tank. Background technique [0002] During the operation of the pipeline, due to reasons such as tank bottom plate corrosion, construction quality, material defects and foundation cracks, the oil at the bottom of the storage tank leaked, which eventually brewed into a safety and environmental pollution accident, which caused great adverse effects on society and enterprises. , It has brought a serious threat to the life and property safety of the people around the tank area. If the relevant information such as whether the bottom of the storage tank is leaking is not grasped in time and dealt with in a timely manner, the consequences of the accident will continue to increase, causing serious environmental pollution and significant personal and property losses. [0003] For oil leakage at the bottom of storage ...
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IPC IPC(8): G01M3/16
CPCG01M3/16
Inventor 聂中文黄晶冯骋黄薇薇西敬军喻斌于永志单超
Owner BC P INC CHINA NAT PETROLEUM CORP