Marine sniffing estimation method of sulphur content in fuel oil

A technology of sulfur content and fuel oil, applied in measuring devices, instruments, fluorescence/phosphorescence, etc., can solve problems such as waste of inspection costs, untargeted inspection, and low inspection efficiency

Active Publication Date: 2018-01-16
TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

The traditional method includes checking the oil change records in the logbook, taking oil samples for testing, etc., which has the problems of high difficulty in boarding and low insp...

Method used

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  • Marine sniffing estimation method of sulphur content in fuel oil
  • Marine sniffing estimation method of sulphur content in fuel oil
  • Marine sniffing estimation method of sulphur content in fuel oil

Examples

Experimental program
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Embodiment 1

[0027] Taking the first bridge on the main channel of the Yangtze River Estuary——Sutong Bridge, the method of sniffing and estimating the sulfur content of marine fuel oil as an example, the monitoring method is further explained.

[0028] Such as figure 1 As shown, the sniffing estimation method of marine fuel oil sulfur content includes the following four steps:

[0029] Step 1: Install at the appropriate monitoring point for synchronous monitoring of ship exhaust CO 2 and SO 2 Concentration monitoring equipment; specifically, because there is mostly no wind in this area in a year, the installation position of the monitoring equipment is set on the bridge maintenance frame of the Sutong Bridge according to the route trajectories of many large ships, and the sampling of the monitoring equipment The end of the pipeline is extended to 5 meters below the bridge deck;

[0030] Monitoring equipment includes a Thermo 43i-TLE SO 2 CO monitor and LI-COR LI820 2 monitor; where th...

Embodiment 2

[0049] In order to ensure the accuracy of the sniffing estimation method and the control of errors, such as image 3 As shown, before the instrument installation on the Sutong Bridge, a ship-following experiment was first carried out, and the exhaust gas of a 180,000-ton large bulk carrier with a known fuel oil sulfur content of 2.23% was measured several times. The deck between the cockpit and the chimney chamber is used as the exhaust gas monitoring point to monitor the SO in the exhaust gas of the ship 2 Concentration and CO 2 Concentration; use the side of the cockpit as a background monitoring point to monitor SO in the background air 2 Concentration and CO 2 Concentration; the monitoring time is 2 to 4 minutes; by moving the instrument back and forth between the exhaust gas monitoring point and the background monitoring point, 19 peaks are artificially produced, and the obtained SO 2 Monitor curves and CO 2 Monitoring curves such as Figure 4 shown. After calculati...

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Abstract

The invention discloses a marine sniffing estimation method of sulphur content in fuel oil, comprising the following five steps: acquiring tail gas; drawing a SO2 monitoring curve and a CO2 monitoringcurve to acquire SO2 concentration value, CO2 concentration value, SO2 background concentration value and CO2 background concentration value during the same monitoring period; calculating sulphur content in marine fuel oil on the basis of material balance; acquiring monitoring time of ships with excessive sulphur content in fuel oil; and locking the ships with excessive sulphur content in fuel oil. By the marine sniffing estimation method of sulphur content in fuel oil, the purpose of identifying ships with illegal use of high sulphur oil can be achieved without going on board, and huge wastecaused by blind sampling is avoided. The invention provides an efficient means for accurate sampling inspection of ships in national ship emission control areas.

Description

technical field [0001] The invention relates to the technical field of ship fuel oil detection methods, in particular to a method for sniffing and estimating the sulfur content of marine fuel oil. Background technique [0002] Since 2016, my country's Pearl River Delta, Yangtze River Delta, and Bohai Rim (Beijing-Tianjin-Hebei) waters have officially opened ship emission control areas, requiring that during the 13th Five-Year Plan period, the sulfur content of marine oil in the emission control areas shall not exceed 0.5%. Control objectives. Due to the large price difference between diesel oil with different sulfur content, if there is no effective supervision method, it is unrealistic to expect ship owners to consciously use higher-cost low-sulfur diesel oil. How does the maritime department check whether a ship has used it in an emission control area? Low sulfur oil is key. The traditional method includes checking the oil change records in the logbook, taking oil samples...

Claims

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Application Information

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IPC IPC(8): G01N21/64G01N21/3504G01N21/37
Inventor 胡健波朱建华彭士涛赵宏鑫王心海
Owner TIANJIN RES INST FOR WATER TRANSPORT ENG M O T
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