Multi-storage-tank centralized water cut and oil return method and system
A storage tank and oil return pump technology is applied in the field of centralized water cutting and oil return methods and systems for multiple storage tanks, which can solve the problems of easy entrainment of upper oily medium, environmental pollution, labor consumption, etc., so as to prevent entrainment of oily medium and avoid pollution. The effect of environment and labor saving
Active Publication Date: 2017-12-26
KAITAI (CHUZHOU) FLUID CONTROL CO LTD
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Problems solved by technology
At present, there is no automatic detection and control method for cutting water in cluster storage tanks storing the same medium. Water cutting not only consumes manpower, but also easily entrains the upper layer of oily medium, causing unnecessary environmental pollution.
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[0026] The multi-storage tank centralized water cutting and oil return method of the present invention is that multiple storage tanks storing the same medium are respectively connected to the main drainage pipe through the drainage branch pipes respectively equipped with the upstream manual valve and the downstream drainage control valve, and the main drainage pipe is then connected to the oil-water detection sensor. The upper part of the cutting water tank, the lower part of the cutting water tank is connected with the water cutting pipe equipped with the water cutting control valve; Branch pipe, the two oil return branch pipes are respectively connected between the upstream manual valve and the downstream drainage control valve of a drainage branch pipe; the oil-water detection sensor, the oil return pump and all control valves are electrically connected to the automatic controller;
[0027] Under the control of the automatic controller, cut water and return oil as follows: o...
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The invention relates to a multi-storage-tank centralized water cut and oil return method and system. To solve the problems that much labor is consumed and inclusion with oil media happens easily by means of multi-tank water cut in the prior art, the multiple storage tanks storing the same medium jointly communicate with a drainage main pipe through drainage branch pipes with upstream manual valves and downstream drainage control valves, the drainage main pipe further communicates with the upper portion of a water cut tank with an oil-water detection sensor, and the lower portion of the water cut tank communicates with a water cut pipe with a water cut control valve; and the top of the water cut tank communicates with an oil return main pipe of an oil return pump, the oil return main pipe further communicates with two oil return branch pipes which are provided with oil return control valves and arranged in parallel, and the two oil return branch pipes are further connected between the upstream manual valve and the downstream drainage control valve of one of the drainage branch pipes. The oil-water detection sensor, the oil return pump and all the control valves are electrically connected with an automatic controller. Centralized water cut and centralized oil return are conducted under the control of the automatic controller. The multi-storage-tank centralized water cut and oil return method and system have the beneficial effects that manpower is saved, the water cut efficiency is improved remarkably, inclusion with the oil media can be eliminated completely, and pollution to the environment is avoided.
Description
technical field [0001] The invention relates to water cutting equipment for storage tanks, in particular to a method and system for centralized water cutting and oil return of multiple storage tanks. Background technique [0002] For medium storage tanks in the petrochemical industry, due to the process, the medium contains liquid media with different specific gravity. According to the requirements of process and product quality, the water in the pressure storage tank needs to be discharged out of the storage tank. At present, there is no automatic detection and control method for cutting water in cluster storage tanks storing the same medium. Water cutting not only consumes manpower, but also easily entrains the upper layer of oily medium, causing unnecessary environmental pollution. Contents of the invention [0003] The purpose of the present invention is to overcome the above-mentioned defects of the prior art, and provide a method for centralized water cutting and oil...
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IPC IPC(8): B65D90/00B65D90/48
CPCB65D90/00B65D90/48
Inventor 高翔
Owner KAITAI (CHUZHOU) FLUID CONTROL CO LTD