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Crude oil storage tank cleaning system and cleaning method for fpso in offshore drilling platform

A technology for drilling platforms and cleaning methods, which is applied to cleaning equipment for liquid tanks of ships, oil tankers, special-purpose ships, etc., can solve problems such as time-consuming and labor-consuming, consume a lot of manpower and material resources, and low cleaning efficiency, and achieve high efficiency High, good cleaning effect, thorough cleaning effect

Active Publication Date: 2019-06-14
深圳市南星海洋工程服务有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, manually shoveling out the sediment will consume a lot of manpower and material resources, especially if the sediment has not been cleaned up in the crude oil storage tank for a long time, resulting in hardening, it is more likely to lead to low cleaning efficiency, time-consuming and labor-intensive, A new and improved method is urgently needed

Method used

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  • Crude oil storage tank cleaning system and cleaning method for fpso in offshore drilling platform
  • Crude oil storage tank cleaning system and cleaning method for fpso in offshore drilling platform
  • Crude oil storage tank cleaning system and cleaning method for fpso in offshore drilling platform

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specific Embodiment 1

[0051] A crude oil storage tank cleaning system for FPSO in an offshore drilling platform, combined with Figure 1-Figure 3 As shown, it includes: basket 1, suction pump 2, water spraying part 3, vibration motor 4, pipe 5, separation tank 6, rolling parts 7, power source 8, cruise ship 9, crude oil storage 10, water supply system 11 , water pipe 12 and the control processing center, the control processing center controls the suction pump 2, the vibrating motor 4, the power source 8, the water supply system 11 to work together, the control processing center is specifically a control computer and is not shown in the accompanying drawings.

[0052] The crude oil storage bin 10 is located at the bottom of a cruise ship 9, the separation tank 6 and the water supply system 11 are arranged on the cruise ship 9, the water supply system 11 is specifically a water storage tank with a built-in water pump, and the water supply system 11 is connected to the image 3 The water spray part 3 ...

specific Embodiment 2

[0066] A crude oil storage bin cleaning system for FPSO in an offshore drilling platform, the difference from the specific embodiment 1 is that in combination with Figure 6As shown, the rollers 7 are at least two groups of rollers arranged at the bottom of the basket 1. In this embodiment, the number of rollers is four, and the rollers are arranged on the output shaft of the drive motor and driven to rotate by the drive motor, and the drive motor The four rollers are driven to rotate synchronously through the sprocket transmission structure (the gear transmission structure or the pulley transmission structure can be replaced). The purpose of moving the basket 1 at the bottom of the crude oil storage silo 10 can be realized by the cooperation of the roller with the drive motor. At the same time, the way of rolling friction is more labor-saving and energy-saving than the way of sliding friction, so that the above-mentioned movement process is simpler and more stable, especially ...

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Abstract

The invention discloses a crude oil bin cleaning system and method for an FPSO (floating production storage and offloading) unit in an offshore drilling platform. The system comprises: a plurality ofbaskets positioned at the bottom of a crude oil bin; suction pumps arranged in the baskets to suck precipitate accumulated at the bottom of the crude oil bin; water sprayers arranged on the baskets close to their inlets and communicated with an external water supply system; vibrating motors arranged on the baskets and driving the baskets to vibrate under high frequency; a discharge pipe communicated with outlets of the suction pumps and used to discharge the sucked precipitate out of the crude oil bin; a separating tank for collecting a mixture discharged from the discharge pipe and for preliminarily filtering the precipitate, wherein the mixture is formed by mixing crude oil, the precipitate and water. The precipitate at the bottom of the crude oil bin can be effectively cleaned under high cleaning efficiency.

Description

technical field [0001] The invention relates to the technical field of cleaning crude oil storage bins, in particular to a crude oil storage bin cleaning system and cleaning method for FPSO on offshore drilling platforms. Background technique [0002] When crude oil is exploited at sea, it is often necessary to pump the oil extracted from the seabed into a container for temporary storage. The above-mentioned container is usually called a crude oil storage tank, and then the oil in the crude oil storage tank is subjected to subsequent processing. At present, the more commonly used crude oil storage tanks are set up on cruise ships, referred to as "portable storage ships" (PFSO). [0003] After the crude oil in the crude oil storage tank is pumped, there will be a large amount of sediment at the bottom of the crude oil storage tank, which includes heavy oil, silt, oil adhesion and some reusable oil; the usual offshore maintenance will Manually, use a shovel to shovel the sedi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): B63B57/02
CPCB63B57/02
Inventor 王卫方
Owner 深圳市南星海洋工程服务有限公司
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