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Ingeniat Estudios y Proyectos SL > Articles by: admin

Corrosion Engineering and API RP 580

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Corrosion is a chemical or electro-chemical attack that affects metallic material when exposed to the environment resulting in material loss and, potentially, failure of equipment, piping or appurtenances.

Corrosion risk measurement becomes a significant concern to those in charge of asset management of a process plant, specially in aging assets.

API RP 580 is a recommended practice document developed by the American Petroleum Institute which outlines and explains the basic elements for developing, implementing and maintaining a credible risk-based inspection (RBI) program.

Risk-based inspection programs begin with the identification of potential risks resulting from equipment or structural degradation. Risks which have been identified must be assessed and categorised in accordance with known criteria, and an analysis of probability and consequence of failure associated with each component or equipment carried out so as to prioritize a series of actions which should be incorporated into existing, or specifically developed, inspection and maintenance plans.

We can assist with the development of risk-based inspection programs based upon the API RP 580 recommended practice and, where data and information is available, a more thorough and specific quantitative analysis based upon API RP 581.

Corrosion Under Insulation
Corrosion Under Insulation, pipe transporting vegetable oil

Bulk Loading Filters

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Bulk loading filters, also called rock catchers or de-rockers, are used to keep oversized lumps of material from entering the bulk loading system onboard ships or drilling rigs, potentially resulting in damage to equipment or piping. The bulk loading filter is fitted with a heavy duty mesh (mesh hole size of 10 mm), located inside the package, which crushes oversized material or traps it into a small collection area for removal.

The package is fitted with Weco Wing quick connection couplings (fig. 200 or equivalent, other options can be identically accommodated) as well as pressure indicators located upstream and downstream from the mesh, allowing for easy visual identification of the operational condition of the filter. The package is also fitted with a pneumatic air connection (ball valve and check valve) which can be used to clean the interior.

Bulk Loading Filter
Bulk Loading Filter

The bulk loading filter package has been designed accounting for design pressures of up to 16 bar, and minimum design temperatures of -20ºC. Its introduction into the bulk loading system will impose a minimal head loss which can increase as the filter gets clogged, hence the importance of keeping regular readings of the local pressure indicators to ensure the package is operating in optimum working conditions. The size of the collecting mesh can be adjusted to other mesh hole sizes as preferred by the customer.

Besides bulk loading filters, we can design and supply other types of equipment such as bulk tanks or cyclone dust collectors.

Mooring System Management Plan

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The 4th edition of the Mooring Equipment Guidelines (MEG4) issued by OCIMF in 2018 recognises that the management of mooring operations is a critical aspect of the management of ships. All new tankers, gas carriers and terminals are to be designed and built using the recommendation, whereas existing tankers should, as a minimum, develop a Mooring System Management Plan (MSMP) and Line Management Plan (LMP). As detailed in MEG4, the MSMP must ensure that the mooring system is inspected, maintained and operated in accordance with the original design basis. The information contained on the MSMP is in consequence ship specific, and is complementary to the ship’s safety management system.

The MSMP should contain the following:

Part A – General ship particulars.
Part B – Mooring equipment design philosophy.
Part C – Detailed list of mooring equipment.
Part D – Inspection, maintenance and retirement strategies.
Part E – Risk and change management, safety of personnel, and human factors.
Part F – Records and documentation.
Part G – Mooring System Management Plan Register (MSMPR).

Mooring Lines

MEG4 also contains a description of the Line Management Plan (LMP), including all the requirements for the way that lines are maintained, inspected and retired. Moreover, the inspection section should also demonstrate how and when the inspection should take place.

According to MEG4, the operator is responsible for ensuring the right development and implementation of the LMP. We can help with the development of both plans, please get in contact for more detailed information.

Supply of Steam Heater Skid

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From a project delivered earlier this year including the design and production of a low pressure steam skid compliant with Class requirements, to be installed onboard a series of gas tankers as part of a ballast water management system. The skid uses low pressure steam on the hot side of the heat exchanger to increase temperature of fluid on the cold side. Steam pressure and flow can be adjusted by the flow control valve, through the combined action of cascaded controllers based upon the readings of transmitters located on both circuits.

Steam Heater Skid
Steam Heater Skid

Supply Chain Traceability

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We are developing a supply chain tool to enable full traceability of certificates on a public blockchain, and focused on the maritime market. Currently running on Ethereum’s Rinkeby testnet, and hosted on a private network, it aims to provide a secure and reliable way to confirm the authenticity of a product certificate along its lifecycle.

Data is digitized at the time of certificate issuance, and stored on a public blockchain to ensure its inmutability and future traceability by third parties anywhere in the world, at any given time. Only authorized users (validators) are able to store the digitized data on the blockchain, whereas any party (authorized or not) can perform authentication and verification of the data at any later stage.

Material certificates can be incorporated or associated into broader product certificates so the whole supply chain can be traced at any given time during supply. As an optional feature, the authentication of a given product certificate can signal acceptance by an authorized party (ie, a purchaser in the organization) and automatically trigger a smart contract action (ie, authorizing payment or recognizing fulfillment of a contractual milestone).

 

While currently running on the Rinkeby testnet, the smart contracts will be redeployed at time of finalization so the final product will be running on the main Ethereum network, ensuring quick propagation of data as well as enhanced security.

traceability

Digital Twin

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We have developed a digital twin model capable of pairing virtual and real equipment, including sensor readings.

The most significant features are as follows:

  • Fully integrated on a virtual reality (VR) environment.
  • Integration of as-built 3D models of equipment from different CAD packages, together with point cloud scan data on a seamless environment.
  • Integration of real time data from live SCADA systems or data sets enabling the presentation of real-time status and operating condition, including alarms.
  • Integration and visualization of SQL databases of equipment, including equipment and part datasheets, maintenance logs, etc.
  • Capable of connecting remotely with users, allowing for remote design reviews and/or remote collaboration thorough the life cycle of the equipment or installation.
Sensor readings

Find out more through the following link, or downloading our informative brochure.

Automatic Defect Detection System

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Undergoing development of an automatic defect detection system in manufactured parts, using convolutional neural networks to detect features in an image while simultaneously generating a high-quality segmentation mask for each instance.

Common defects include cavities, pores, lack of penetration, and other type of volumetric defects frequently found in castings and welded parts.

Detection of these defects can allow faulty products to be identified early in the manufacturing process, resulting in improvements in quality, as well as time and cost savings.

The defect detection system is trained and tested on publicly available X-ray dataset and is currently at an early development stage.

IMG_20200305_171956962

The classification method being used is binary (defect or no-defect) so the results being obtained are only useful for a first pass assessment of the quality of the weld. It would be possible, on a further iteration, to use a multi-class defect classification allowing much greater granularity and variety in the results (gas cavity, lack of penetration, porosity, slag inclusion, undercut, lack of fusion, etc).

Welding defects

Visit to Glasgow

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We are priviledged to be visiting Glasgow this week following up on a project to retrofit an exhaust gas cleaning system onboard a SuezMax class oil tanker.

  • Glenlee tall ship (Galatea)
  • Finnieston Crane

We thank our client and friends for their continuous consideration and support during our stay.