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Method and device for detecting content of sulfur in marine fuel oil and equipment

A technology of sulfur content and fuel oil, applied in the field of sensors, can solve the problems of low efficiency and achieve the effect of improving the efficiency of law enforcement

Inactive Publication Date: 2017-01-04
QINGDAO ACAD FOR OPTO ELECTRONICS ENG
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The international common method is that supervisors carry analytical instruments on board to test fuel oil, which can only be tested on about 10% of ships, and this method is inefficient

Method used

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  • Method and device for detecting content of sulfur in marine fuel oil and equipment
  • Method and device for detecting content of sulfur in marine fuel oil and equipment
  • Method and device for detecting content of sulfur in marine fuel oil and equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0040] figure 1 It is a flow chart showing a method for detecting the sulfur content of marine fuel oil according to Embodiment 1 of the present invention. refer to figure 1 A method for detecting the sulfur content of marine fuel oil provided by the embodiments of the present invention comprises the following steps:

[0041] In step S110, the sulfur dioxide concentration data and the carbon dioxide concentration data generated after the ship fuel oil is burned are acquired.

[0042] Specifically, this step includes: acquiring the sulfur dioxide concentration data and the carbon dioxide concentration data produced by the ship's fuel oil combustion measured by the sensor.

[0043] Wherein, the sensor includes a carbon dioxide sensor and a sulfur dioxide sensor.

[0044] Preferably, the carbon dioxide sensor is an NDIR sensor or an electrochemical sensor. The sulfur dioxide sensor is an NDIR sensor, an NDUV sensor, an ultraviolet spectrum sensor or an electrochemical sensor....

Embodiment 2

[0071] Figure 3-5 It is a logic block diagram showing a device for detecting sulfur content of marine fuel oil according to Embodiment 2 of the present invention. refer to Figure 3-5 , a ship fuel oil sulfur content detection device 200 provided in an embodiment of the present invention includes:

[0072] The acquiring unit 21 is configured to acquire the sulfur dioxide concentration data and carbon dioxide concentration data produced after the fuel oil of the ship is burned.

[0073] Wherein, the acquisition unit 21 includes: an acquisition subunit 211, configured to acquire the sulfur dioxide concentration data and carbon dioxide concentration data produced by the fuel oil combustion of the ship measured by the sensor.

[0074] Wherein, the sensor includes a carbon dioxide sensor and a sulfur dioxide sensor.

[0075] Preferably, the carbon dioxide sensor is an NDIR sensor or an electrochemical sensor. The sulfur dioxide sensor is an NDIR sensor, an NDUV sensor, an ultr...

Embodiment 3

[0102] Figure 6 It shows a device according to Embodiment 3 of the present invention. refer to Figure 6 A device 300 provided in an embodiment of the present invention includes the device 200 for detecting sulfur content of marine fuel oil described in any one of the foregoing.

[0103] Further, the device includes a controller for controlling the flight line of the drone equipped with sensors and calculating the ratio of the sulfur dioxide concentration data returned by the drone to the carbon dioxide concentration data.

[0104] Wherein, the sensor includes a carbon dioxide sensor and a sulfur dioxide sensor.

[0105] Preferably, the carbon dioxide sensor is an NDIR sensor or an electrochemical sensor. The sulfur dioxide sensor is an NDIR sensor, an NDUV sensor, an ultraviolet spectrum sensor or an electrochemical sensor.

[0106]According to a kind of equipment provided by the present invention, by obtaining the sulfur dioxide concentration data and the carbon dioxide...

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Abstract

The invention discloses a method and a device for detecting the content of sulfur in marine fuel oil and equipment. The method comprises the following steps of acquiring sulfur dioxide concentration data and carbon dioxide concentration data generated after burning the marine fuel oil; determining the content of the sulfur in the marine fuel oil according to a ratio of the sulfur dioxide concentration data to the carbon dioxide concentration data. The ratio, measured by the scheme, of the content of sulfur dioxide to the content of carbon dioxide is a relative value and is not influenced by air dilution, so that the requirement on flue gas measuring points is not high; for the measurement of the content of the sulfur in the marine fuel oil, other physicochemical properties of fuel oil do not need to be learned in advance, and parameters of a working state of a ship engine do not need to be learned either, therefore the content of the sulfur in the marine fuel oil is determined according to the ratio of the sulfur dioxide concentration data to the carbon dioxide concentration data; whether the content of the sulfur in the marine fuel oil is overproof is quickly measured under the condition of not making contact with a ship, a preliminary screening result is provided for further on-ship detection, and the law enforcement effectiveness is greatly improved.

Description

technical field [0001] The invention relates to the technical field of sensors, in particular to a method, a device and a device for detecting the sulfur content of marine fuel oil. Background technique [0002] Air pollution from smoke exhaust from ships has become a major source of pollution, especially in ports, straits and areas with dense routes and high ship traffic. Sulfur dioxide is an important pollutant in ship exhaust gas, which is mainly produced by the combustion of sulfur-containing substances in marine fuel oil. In order to limit the emission of sulfur dioxide from ships, the International Maritime Organization has imposed strict restrictions on the sulfur content of marine fuel oil. Outside the emission restriction area, the sulfur content of fuel oil was ≤4.5% before 2012, the sulfur content of fuel oil was ≤3.5% after January 2012, and the sulfur content of fuel oil was ≤0.5% after January 2020; in the emission restriction area Inside, the sulfur content ...

Claims

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Application Information

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IPC IPC(8): G01N33/28
CPCG01N33/287
Inventor 王新全
Owner QINGDAO ACAD FOR OPTO ELECTRONICS ENG
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