KR101592022B1 - Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship - Google Patents
Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship Download PDFInfo
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- KR101592022B1 KR101592022B1 KR1020150117504A KR20150117504A KR101592022B1 KR 101592022 B1 KR101592022 B1 KR 101592022B1 KR 1020150117504 A KR1020150117504 A KR 1020150117504A KR 20150117504 A KR20150117504 A KR 20150117504A KR 101592022 B1 KR101592022 B1 KR 101592022B1
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- compressed air
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- 238000000034 method Methods 0.000 title claims abstract description 51
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 title claims abstract description 37
- 239000000295 fuel oil Substances 0.000 title claims description 23
- 239000005864 Sulphur Substances 0.000 title 1
- 229910052717 sulfur Inorganic materials 0.000 claims abstract description 37
- 239000011593 sulfur Substances 0.000 claims abstract description 37
- 239000010762 marine fuel oil Substances 0.000 claims abstract description 14
- 239000007789 gas Substances 0.000 claims description 210
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 94
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 84
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 47
- 239000001569 carbon dioxide Substances 0.000 claims description 36
- 238000005259 measurement Methods 0.000 claims description 34
- 238000007599 discharging Methods 0.000 claims description 9
- 238000000691 measurement method Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 5
- 239000011810 insulating material Substances 0.000 claims description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 6
- 239000000446 fuel Substances 0.000 description 6
- QAOWNCQODCNURD-UHFFFAOYSA-N Sulfuric acid Chemical compound OS(O)(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-N 0.000 description 4
- 239000003245 coal Substances 0.000 description 3
- 238000000746 purification Methods 0.000 description 3
- 229910052815 sulfur oxide Inorganic materials 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000010790 dilution Methods 0.000 description 2
- 239000012895 dilution Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 239000013618 particulate matter Substances 0.000 description 2
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000003915 air pollution Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000008520 organization Effects 0.000 description 1
- FWFGVMYFCODZRD-UHFFFAOYSA-N oxidanium;hydrogen sulfate Chemical compound O.OS(O)(=O)=O FWFGVMYFCODZRD-UHFFFAOYSA-N 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
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-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/0044—Sulphides, e.g. H2S
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0018—Sample conditioning by diluting a gas
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0011—Sample conditioning
- G01N33/0021—Sample conditioning involving the use of a carrier gas for transport to the sensor
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/0004—Gaseous mixtures, e.g. polluted air
- G01N33/0009—General constructional details of gas analysers, e.g. portable test equipment
- G01N33/0027—General constructional details of gas analysers, e.g. portable test equipment concerning the detector
- G01N33/0036—General constructional details of gas analysers, e.g. portable test equipment concerning the detector specially adapted to detect a particular component
- G01N33/004—CO or CO2
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/22—Fuels; Explosives
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Physics & Mathematics (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- General Physics & Mathematics (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Combustion & Propulsion (AREA)
- Sampling And Sample Adjustment (AREA)
- Exhaust Gas After Treatment (AREA)
Abstract
A gas concentration measuring method and system, and a sulfur content detecting method for a ship and a marine fuel oil having the same. A system for measuring the concentration of gas present in a gas passing through a piping according to an exemplary embodiment of the present invention includes a first tank connected to the piping; A first pipe member installed between the pipe and the first tank and having a first valve; A compressed air supply unit capable of supplying compressed air to the first tank; A second tank connected to the first tank; A second tubular member installed between the first tank and the second tank and having a second valve; And a gas concentration measuring sensor and a third valve installed on the third pipe member and the third pipe member, one side of which is connected to the second tank and the other side is connected to the atmosphere.
Description
TECHNICAL FIELD The present invention relates to a method and system for measuring gas concentration, and a sulfur content detecting method for a ship and a marine fuel oil having the same.
The International Maritime Organization (IMO) regulates the emission of nitrogen oxide (NOx) and sulfur oxides (SOx) to ships to prevent air pollution. For ships operating in the sulfuric acid emission control area, low sulfur fuel oil with a sulfur content of 0.1% or less should be used from 2015. From 2020, non-SECA low sulfur oil having a sulfur content of 0.5% Should be used.
If the ship is to use fuel oil with a higher sulfur content than the regulated sulfur content for various reasons, an Exhaust Gas Cleaning System should be installed to remove sulfur oxides from the exhaust gas.
In particular, in the case of the United States and Europe, the fuel oil of a ship entering the port of the country is sampled and analyzed. If the fuel oil used in the sulfuric acid emission control area has a sulfur content of 0.1% or more, And the United States. For this reason, it is necessary to introduce measures to detect the sulfur content of fuel oil supplied to the diesel engine accurately and easily on the ship.
On the other hand, the exhaust gas purifier can be installed on the ship to solve such a problem. However, since the exhaust gas purifier is very expensive and takes up a considerable volume and requires many additional facilities, it is economically and technically There are many problems.
At this time, as a method for accurately detecting the sulfur content of the fuel oil in the ship, the concentration of SO2 and CO2 in the exhaust gas of the diesel engine is measured, and the ratio of sulfur dioxide to carbon dioxide "Is the most realistic alternative.
The "sulfur dioxide to carbon dioxide ratio method" is a method for predicting the fuel sulfur content used to monitor the performance of an exhaust gas purifier in a ship equipped with an exhaust gas purifier. It is the internationally recognized fuel oil sulfur content Prediction method. Table 1 below shows some of the conversion tables that predict the sulfur content of the fuel oil according to the "SO2 / CO2 Ratio Method".
For example, referring to Table 1, when the Ratio of SO 2 emission (ppm) / CO 2 (% v / v) to carbon dioxide is 195.0, the sulfur content of the fuel oil is estimated to be 4.50% to be.
<Table 1>
However, marine fuel sulfur content detection system has some problems unlike a monitoring system using the " SO2 / CO2 Ratio Method " used in general exhaust gas purification apparatuses.
First, in the process of detecting an exhaust gas which is not purified according to the " SO2 / CO2 Ratio Method ", there may arise a problem that the sulfur dioxide and the carbon dioxide sensor are poisoned by the particulate matter contained in the exhaust gas.
Secondly, since only a part of the exhaust gas is collected and used, an apparatus capable of collecting only a part of the exhaust gas in the exhaust gas pipe should be additionally provided. .
Third, the measurement range of a commonly used carbon dioxide sensor does not match the actual carbon dioxide concentration of the exhaust gas. The specific gravity of the carbon dioxide in the exhaust gas is about 12% (120,000 ppm). However, since the measurement range of a generally used carbon dioxide sensor is 0 to 5,000 ppm, another measure is required to measure the concentration of carbon dioxide.
In order to solve the above problems, the present invention has no blowing device for forcedly introducing a part of exhaust gas, and when the uncleaned exhaust gas is detected, the gas concentration measuring sensor is not damaged and the gas concentration measuring sensor And a gas concentration measuring system for measuring a gas concentration of the gas.
It is another object of the present invention to provide a gas concentration measurement method using a gas concentration measurement system and a vessel having the gas concentration measurement method.
It is another object of the present invention to provide a sulfur content detection method for marine fuel oil by measuring the sulfur dioxide / carbon dioxide ratio through the gas concentration measurement method.
In order to accomplish the above object, the present invention provides a system for measuring the concentration of gas present in a gas passing through a pipe, comprising: a first tank connected to the pipe; A first pipe member installed between the pipe and the first tank and having a first valve; A compressed air supply unit capable of supplying compressed air to the first tank; A second tank connected to the first tank; A second pipe member installed between the first tank and the second tank and having a second valve; A third tubular member having one side connected to the second tank and the other side connected to the atmosphere, and a gas concentration measuring sensor and a third valve installed on the third tubular member, and the compressed air supply unit includes an air compressor, A fourth pipe member for discharging the compressed air supplied from the compressor to the atmosphere, a second pipe member for selectively supplying the compressed air to the first tank or a negative pressure in the first tank while the compressed air is discharged from the air compressor to the atmosphere And a fifth tubular member branched from the fourth tubular member so as to be formed.
delete
Also, preferably, the compressed air supply unit may include fourth and fifth valves respectively installed at the front end and the rear end of the fourth tubular member, and a sixth valve installed at the fifth tubular member.
Preferably, the apparatus further includes a filter installed in the second tubular member or the second tank.
Also preferably, the gas concentration measuring sensor is capable of measuring at least one gas concentration.
Also preferably, the gas may comprise sulfur dioxide and carbon dioxide.
Further, preferably, the pipe is an exhaust pipe through which the exhaust gas of the ship is exhausted, and the gas passing through the exhaust pipe may be exhaust gas of the ship.
Also, preferably, at least one of the inner wall and the outer wall of the first tank and the second tank may be provided with a thermal insulating material so that the gas is not cooled.
In order to achieve the above object, the present invention provides a ship having a gas concentration measuring system.
In order to achieve the above object, there is provided a method for measuring the concentration of a gas present in a predetermined gas using a gas concentration measurement system, comprising the steps of: (a) Measuring the concentration of the gas after the compressed air is supplied to the inside; (b) generating a negative pressure in the first tank using the compressed air supply unit to introduce the gas from the pipe into the first tank; (c) diluting the gas by injecting compressed air from the compressed air supply into the first tank with the gas flowing into the first tank; (d) slowly introducing the diluted gas in the first tank into the second tank by a pressure difference between the first tank and the second tank by slowly opening the second valve; (e) secondarily measuring the concentration of gas in the diluted gas while discharging the diluted gas flowing into the second tank to the atmosphere through a third tubular member; (f) comparing the concentrations of the first and second measured gases to calculate the concentration of the gas in the gas.
Preferably, the gas to be measured includes a first gas and a second gas, and the step of calculating the concentration of the gas in the gas may calculate the ratio of the first gas and the second gas.
Also preferably, the first gas and the second gas may be sulfur dioxide and carbon dioxide.
Further, preferably, the measurement range of the carbon dioxide measured by the gas concentration measurement sensor is 0 to 500 ppm, and the measurement range of the sulfur dioxide is 0 to 20 ppm.
In order to achieve the above object, there is provided a method for detecting a sulfur content of a fuel oil for marine vessel using a method of measuring the concentration of gas present in the gas, comprising the steps of: (a) measuring the concentration of gas present in the gas; (B) calculating the ratio of the sulfur dioxide / carbon dioxide in the exhaust gas to the IMO Resolution MEPC. 182 (59), and detecting the sulfur content of the marine fuel oil by comparing it with the " SO2 / CO2 Ratio Method "
In order to achieve the above object, there is provided a method for measuring the concentration of gas in a gas passing through a piping using a first tank connected to a pipe and a second tank connected to the first tank, Measuring an initial concentration of the gas present in the first tank in an initial state in which air in the first tank is firstly introduced into the first tank from the outside of the first tank and air in the first tank is discharged into the atmosphere, (b) introducing gas flowing in the piping into the first tank to store the gas in the first tank, (c) injecting air into the first tank from the outside of the first tank, (D) introducing the diluted gas from the first tank into the second tank at a pressure lower than the pressure inside the first tank, And (e) measuring the concentration of the gas present in the diluted gas while discharging the diluted gas introduced into the second tank to the outside of the second tank. A concentration measurement method is provided.
At this time, the air injected from the outside into the first tank may be compressed air.
At this time, in step (b), a negative pressure may be formed between the outside and the first tank so that the exhaust gas flows into the first tank from the pipe.
The present invention can introduce exhaust gas flowing into the exhaust pipe into the first tank using a compressed air supply unit without a separate blower. In addition, the concentration of carbon dioxide and sulfur dioxide can be measured by injecting a compressed gas and diluting the introduced exhaust gas so as to be suitable for the measurement range of the gas concentration measuring sensor. The sulfur content of marine fuel oil can also be detected using the "SO2 / CO2 Ratio Method" based on the measured values.
1 is a configuration diagram of a gas concentration measurement system according to an embodiment of the present invention.
FIG. 2 is a flowchart of a gas concentration measurement method in a gas using a gas concentration measurement system according to an embodiment of the present invention.
3 is a flowchart of a sulfur content detection method for a marine fuel oil using a method of measuring the concentration of gas present in a gas according to an embodiment of the present invention.
FIG. 4 shows a process of first measuring the concentration of gas after supplying compressed air from the compressed air supply unit of FIG. 2 into the first tank and the second tank.
FIG. 5 shows a process of generating a negative pressure inside the first tank using the compressed air supply unit of FIG. 2 to introduce gas into the first tank from the pipe.
FIG. 6 shows a process of diluting the gas by injecting compressed air from the compressed air supply unit into the first tank in a state where the gas is introduced into the first tank of FIG. 2.
FIG. 7 shows a process of slowly introducing the diluted gas in the first tank into the second tank by the pressure difference between the first tank and the second tank by slowly opening the second valve of FIG. 2. FIG.
Hereinafter, exemplary embodiments of the present invention will be described in detail with reference to the accompanying drawings, which will be readily apparent to those skilled in the art to which the present invention pertains. The present invention may be embodied in many different forms and is not limited to the embodiments described herein. In order to clearly illustrate the present invention, parts not related to the description are omitted, and the same or similar components are denoted by the same reference numerals throughout the specification.
The gas concentration measurement system according to an embodiment of the present invention can detect only the sulfur content contained in the fuel oil by capturing only a part of the exhaust gas and can be used to confirm that the fuel oil supplied to the actual diesel engine is low-sulfur oil. In addition, in the embodiment of the present invention, the system for measuring the concentration of the gas existing in the exhaust gas based on the gas concentration measurement system used in a ship is described, but it is not limited to a system used only for a vessel, It can be used wherever gas concentration is to be measured.
Gas concentration measurement system
1 is a configuration diagram of a gas concentration measurement system according to an embodiment of the present invention. 1, a gas concentration measuring system 100 according to an embodiment of the present invention includes a
Generally, as a diesel engine is used for driving a ship, exhaust gas is discharged. At this time, the
On the other hand, one side of the
At this time, the ship may be equipped with an air compressor (not shown) to always prepare compressed air having a pressure of 30 bar for starting the diesel engine and 7 bar for various works. At this time, the compressed air may be formed to have a constant pressure by an air compressor (not shown) provided on the ship, and the compressed
The
At this time, the compressed
Meanwhile, the compressed air supplied from the air compressor (not shown) may be discharged to the atmosphere, but may be selectively supplied to the
At this time, one side of the fifth
Referring again to FIG. 1, the
At this time, a small amount of particulate matter may be contained in the exhaust gas flowing from the
One side of the
At this time, the gas
On the other hand, the exhaust gas of a ship generally forms a temperature of about 150 to 250 ° C, though it will depend on the load of the diesel engine. At this time, when the exhaust gas of 150 캜 flows into the
A gas concentration measurement method in a gas using an embodiment of the present invention
2, a method of measuring the concentration of gas present in a gas using the gas concentration measurement system 100 according to an embodiment of the present invention includes a first measurement step S10, a gas introduction step S20, , A gas dilution step (S30), an inflow step to a second tank (S40), a secondary measurement step (S50), and a gas concentration calculation step (S60).
4, in the first measurement step S10, compressed air is supplied from the compressed
Referring to FIG. 5, in the gas inflow step S20, the exhaust gas flowing into the
Referring to FIG. 6, in the gas dilution step S30, compressed air is injected into the
<Table 2>
According to one embodiment of the present invention, the sulfur content of marine fuel oil can be detected through the ratio of sulfur dioxide / carbon dioxide. At this time, even if compressed air is injected into the
That is, if the exhaust gas sucked from the exhaust gas pipe is mixed with compressed air of 30 bar, it can be seen that it is diluted to about 1/31 times. That is, 12% of carbon dioxide is 3871 ppm, sulfur dioxide of 51.6 ppm (fuel oil with sulfur content of 0.1%) is diluted to 1.66 ppm. Accordingly, the concentration of diluted carbon dioxide and sulfur dioxide can be present within a range that can be measured by a general gas concentration measuring sensor.
Referring to FIG. 7, in the inflow step S40 into the second tank, the diluted exhaust gas stored in the
The
In the second measurement step S50, the concentration of sulfur dioxide and carbon dioxide in the gas discharged from the
Method for Detecting Fuel Sulfur Content for Marine Fuel Using Method of Measuring Gas Concentration
Referring to FIG. 3, it is possible to detect the sulfur content in the marine fuel oil by using the gas concentration measurement method of the embodiment of the present invention described above. At this time, the sulfur content detection method of the marine fuel oil is performed by calculating the ratio of sulfur dioxide / carbon dioxide (S110) and calculating the ratio of SO2 / CO2 Ratio Method defined in IMO Resolution MEPC.184 (59) (S120) by comparing the sulfur content of the marine fuel oil with the sulfur content of the marine fuel oil.
In step S110 of calculating the sulfur dioxide / carbon dioxide ratio, the sulfur dioxide / carbon dioxide ratio is calculated by subtracting the values measured in the first measurement from the values measured in the second measurement of carbon dioxide and sulfur dioxide, respectively.
Thereafter, the sulfur content of the marine fuel oil can be detected by comparing the calculated ratio with the " SO2 / CO2 Ratio Method " specified by IMO Resolution MEPC.184 (59) (S120)
IMO Resolution MEPC.184 (59) is basically an approval guide for the exhaust gas purification system installed on the ship. The "SO2 / CO2 Ratio Method" is also installed with an exhaust gas purification device approved in accordance with IMO Resolution MEPC.184 (59) It is a technique used to confirm that the exhaust gas purifier is functioning properly in a ship. At this time, Table 1 only shows a part of IMO Resolution MEPC.184 (59), and it is possible to detect all the sulfur content of marine fuel oil by calculating the ratio of sulfur dioxide / carbon dioxide.
Further, the present invention is not limited to the detection of the sulfur content of the fuel oil, but can be applied to fuels other than fuel oil such as coal. However, since the "SO2 / CO2 Ratio Method" as shown in Table 1 is established for the fuel oil, the sulfur content of the fuel oil can be known as the ratio of sulfur dioxide to carbon dioxide. However, for fuels other than fuel oil such as coal, And the sulfur content of the fuel is not presented. However, the present invention can be applied to fuels other than fuel oil, such as coal, if the results of these studies are presented.
While the present invention has been particularly shown and described with reference to exemplary embodiments thereof, it is to be understood that the invention is not limited to the disclosed exemplary embodiments, It will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
1: gas concentration measurement system 10: first tank
12, 22: Insulating material 20: Second tank
30: compressed air supply unit 40: piping
50: first pipe member 51: first valve
60: second tube member 61: second valve
62: filter 70: third tube member
71: third valve 72: gas concentration measuring sensor
80: fourth tube member 81: fourth valve
82: fifth valve 90: fifth tube member
91: Sixth valve
Claims (17)
A first tank connected to the pipe;
A first pipe member installed between the pipe and the first tank and having a first valve;
A compressed air supply unit capable of supplying compressed air to the first tank;
A second tank connected to the first tank;
A second pipe member installed between the first tank and the second tank and having a second valve;
A third pipe member having one side connected to the second tank and the other side connected to the atmosphere; And
A gas concentration measuring sensor provided on the third pipe member, and a third valve,
The compressed air supply unit includes:
Air compressors;
A fourth pipe member for discharging the compressed air supplied from the air compressor to the atmosphere;
A fifth pipe member branched from the fourth pipe member so that a negative pressure can be formed in the first tank while the compressed air is selectively supplied to the first tank or the compressed air is discharged from the air compressor to the atmosphere, The gas concentration measuring system comprising:
The compressed air supply unit
Fourth and fifth valves provided respectively at the front end and the rear end of the fourth tubular member,
And a sixth valve installed in the fifth pipe member.
And a filter installed in the second pipe member or the second tank.
Wherein the gas concentration measuring sensor is capable of measuring at least one gas concentration.
Wherein the gas comprises sulfur dioxide and carbon dioxide.
Wherein the pipe is an exhaust pipe through which the exhaust gas of the ship is exhausted, and the gas passing through the exhaust pipe is exhaust gas of the ship.
Wherein at least one of the inner wall and the outer wall of the first tank and the second tank is provided with a thermal insulating material so that the gas is not cooled.
(a) firstly measuring the concentration of the gas after supplying compressed air from the compressed air supply unit into the first tank and the second tank;
(b) generating a negative pressure in the first tank using the compressed air supply unit to introduce the gas from the pipe into the first tank;
(c) diluting the gas by injecting compressed air from the compressed air supply into the first tank with the gas flowing into the first tank;
(d) slowly introducing the diluted gas in the first tank into the second tank by a pressure difference between the first tank and the second tank by slowly opening the second valve;
(e) secondarily measuring the concentration of gas in the diluted gas while discharging the diluted gas flowing into the second tank to the atmosphere through a third tubular member;
(f) comparing the concentrations of the first and second measured gases to calculate the concentration of the gas in the gas.
Wherein the gas to be measured comprises a first gas and a second gas,
Wherein the step of calculating the concentration of the gas in the gas is present in the gas for calculating the ratio of the first gas to the second gas.
Wherein the first gas and the second gas are sulfur dioxide and carbon dioxide.
Wherein the measurement range of the carbon dioxide measured by the gas concentration measurement sensor is 0 to 500 ppm and the measurement range of the sulfur dioxide is 0 to 20 ppm.
(a) calculating the ratio of sulfur dioxide / carbon dioxide in the exhaust gas using a method of measuring the concentration of the gas present in the gas;
(b) detecting the sulfur content of the marine fuel oil by comparing the calculated ratio with the " SO2 / CO2 Ratio Method " specified in IMO Resolution MEPC.184 (59) Detection method.
(a) an initial value of the concentration of gas existing in the first tank in an initial state in which air in the first tank is discharged to the atmosphere after firstly injecting air into the first tank from the outside of the first tank Measuring;
(b) flowing the gas flowing in the pipe into the first tank to store the gas in the first tank;
(c) diluting the gas stored in the first tank by injecting air into the first tank from the outside of the first tank;
(d) introducing the diluted gas from the first tank into the second tank at a pressure lower than the pressure inside the first tank;
(e) measuring the concentration of gas present in the diluted gas while discharging the diluted gas introduced into the second tank to the outside of the second tank.
Method of measuring gas concentration present in gas.
Wherein the air injected from the outside into the first tank is compressed air.
Wherein in the step (b), a negative pressure is formed between the outside and the first tank so that the exhaust gas flows into the first tank from the pipe.
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150117504A KR101592022B1 (en) | 2015-08-20 | 2015-08-20 | Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship |
| PCT/KR2016/008774 WO2017030314A1 (en) | 2015-08-20 | 2016-08-10 | Method and system for measuring gas concentration, ship having same, and method for detecting sulphur content of ship fuel oil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020150117504A KR101592022B1 (en) | 2015-08-20 | 2015-08-20 | Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship |
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| KR101592022B1 true KR101592022B1 (en) | 2016-03-07 |
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|---|---|---|---|
| KR1020150117504A KR101592022B1 (en) | 2015-08-20 | 2015-08-20 | Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship |
Country Status (2)
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|---|---|
| KR (1) | KR101592022B1 (en) |
| WO (1) | WO2017030314A1 (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017030314A1 (en) * | 2015-08-20 | 2017-02-23 | (주)팀솔루션 | Method and system for measuring gas concentration, ship having same, and method for detecting sulphur content of ship fuel oil |
| CN107589100A (en) * | 2017-09-08 | 2018-01-16 | 交通运输部天津水运工程科学研究所 | A kind of bunker oil sulfur content sniff estimation algorithm |
| EP3355056A1 (en) * | 2017-01-31 | 2018-08-01 | Auramarine Oy | System and method for measuring sulphur content in petrochemical products |
| CN111308015A (en) * | 2020-01-15 | 2020-06-19 | 交通运输部天津水运工程科学研究所 | Automatic identification method for suspected peak of ship tail gas telemetry data |
| KR102262883B1 (en) * | 2020-03-18 | 2021-06-09 | 단국대학교 산학협력단 | Apparatus for filter testing capable of constant space velocity control |
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| CN108445162A (en) * | 2018-05-17 | 2018-08-24 | 李颖 | One kind being based on the exceeded identifying system of Embedded ship tail gas |
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| JP3709434B2 (en) * | 2001-09-10 | 2005-10-26 | 独立行政法人海上技術安全研究所 | Method for measuring suspended particulate matter for ships and its exhaust gas diluter |
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| JPH0843275A (en) * | 1994-08-01 | 1996-02-16 | Mitsubishi Motors Corp | Apparatus measuring for components of exhaust gas |
| JP3628116B2 (en) * | 1996-08-06 | 2005-03-09 | 株式会社小野測器 | Exhaust gas dilution device, extractor and exhaust gas measurement system |
| JP4600715B2 (en) * | 2001-04-06 | 2010-12-15 | 株式会社豊田中央研究所 | Gas analysis test apparatus and reaction apparatus used therefor |
| KR20110125912A (en) * | 2010-05-14 | 2011-11-22 | 주식회사 시뮬레이션테크 | Exhausted emission monitoring system exhausted from marine engine |
| KR101592022B1 (en) * | 2015-08-20 | 2016-03-07 | (주)팀솔루션 | Method and system for determining concentration of gas and Ship having the same, and method for detecting sulphur content of fuel oil for ship |
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- 2016-08-10 WO PCT/KR2016/008774 patent/WO2017030314A1/en active Application Filing
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3709434B2 (en) * | 2001-09-10 | 2005-10-26 | 独立行政法人海上技術安全研究所 | Method for measuring suspended particulate matter for ships and its exhaust gas diluter |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2017030314A1 (en) * | 2015-08-20 | 2017-02-23 | (주)팀솔루션 | Method and system for measuring gas concentration, ship having same, and method for detecting sulphur content of ship fuel oil |
| EP3355056A1 (en) * | 2017-01-31 | 2018-08-01 | Auramarine Oy | System and method for measuring sulphur content in petrochemical products |
| CN107589100A (en) * | 2017-09-08 | 2018-01-16 | 交通运输部天津水运工程科学研究所 | A kind of bunker oil sulfur content sniff estimation algorithm |
| CN107589100B (en) * | 2017-09-08 | 2019-02-22 | 交通运输部天津水运工程科学研究所 | A kind of bunker oil sulfur content sniff estimation algorithm |
| CN111308015A (en) * | 2020-01-15 | 2020-06-19 | 交通运输部天津水运工程科学研究所 | Automatic identification method for suspected peak of ship tail gas telemetry data |
| KR102262883B1 (en) * | 2020-03-18 | 2021-06-09 | 단국대학교 산학협력단 | Apparatus for filter testing capable of constant space velocity control |
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| WO2017030314A1 (en) | 2017-02-23 |
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