Interlocking control system and method for storage tank valve and on-board pump valve
A technology of interlocking control and valve control, which is used in pipeline systems, gas/liquid distribution and storage, mechanical equipment, etc. The effect of promoting space and use value, avoiding unexpected situations
Active Publication Date: 2022-02-08
天津东方泰瑞科技有限公司
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Problems solved by technology
However, although many companies have installed alarms on storage tanks, they dare not use them, because there is a time difference between the dock and the ship, and they are afraid that the interlock will cut off the storage tank valve, but the delivery pump on the ship has not stopped, resulting in pressurization of the delivery pipeline. , pipeline rupture, valve, flange cracking consequences
Method used
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Embodiment 2
[0049] like figure 2 As shown, it is a schematic flow chart of a method for interlocking control of the liquid level of the storage tank and the pump valve on board in Embodiment 2 of the present application, which mainly includes the following three steps:
[0050] S1. Collect the liquid level data of the oil in the oil tank. The specific acquisition device can adopt the existing technical means, which will not be repeated here.
[0051] S2. Generate a flow control instruction according to the liquid level data. In the second embodiment, the liquid level data includes higher level data, standard level data and high high level data, corresponding to 75%, 100% and 120% of the standard capacity of the oil tank respectively. The control instructions include four kinds: the first instruction of outlet flow control, the second instruction of outlet flow control, the first instruction of inlet flow control, and the second instruction of inlet flow control. Specifically, when the...
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The invention discloses an interlocking control system and method for a storage tank valve and an on-board pump valve. The system comprises a liquid level acquisition unit, an inlet valve control unit, an outlet valve control unit, a flow regulation and control unit and a liquid level warning unit, wherein the liquid level acquisition unit is used for acquiring liquid level data of oil in an oil tank; the flow regulation and control unit is used for generating and sending an inlet valve flow control instruction and an outlet valve flow control instruction according to the liquid level data; the outlet valve control unit is used for adjusting the outlet valve flow of the oil product according to the outlet valve flow control instruction; the inlet valve control unit is used for adjusting the inlet valve flow of the oil product according to the inlet valve flow control instruction; and the liquid level warning unit is used for generating liquid level warning information. The method comprises the steps of acquiring liquid level data of oil in the oil tank; generating a flow control instruction according to the liquid level data; and adjusting the flow of an oil pipeline according to the flow control instruction. According to the invention, the danger caused by pressure surge of the oil pipeline can be effectively avoided, and unforeseen circumstances are avoided.
Description
technical field [0001] The application belongs to the technical field of pipeline safety, and in particular relates to an interlock control system and method for a storage tank valve and a shipboard pump valve. Background technique [0002] As the most common oil storage device, large storage tanks are widely used. However, as the most common petrochemical storage tank, the amount of material stored in it is far greater than the critical amount of a major hazard, and the potential risk is relatively large, and it is in a high-risk state. A small error in details may lead to catastrophic accidents. Usually, storage tanks have a standard volume, but the actual situation is that due to the hysteresis of the pump valve to the material transmission, the material in the storage tank is generally high, and even reaches an extremely dangerously high liquid level. At this time, even if it is hot Expansion and contraction may cause material spillage. [0003] For port transportation...
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IPC IPC(8): F17D1/14F17D3/01F17D3/18F17D5/00
CPCF17D1/14F17D3/01F17D3/18F17D5/00
Inventor 袁洪涛施敏浩梅洛洛鲁芝彤邓丛微徐明严锋源付强张泽方丁湘君唐立敏
Owner 天津东方泰瑞科技有限公司