CN113945689A - Gas detection system for ship exhaust - Google Patents
Gas detection system for ship exhaust Download PDFInfo
- Publication number
- CN113945689A CN113945689A CN202111218570.4A CN202111218570A CN113945689A CN 113945689 A CN113945689 A CN 113945689A CN 202111218570 A CN202111218570 A CN 202111218570A CN 113945689 A CN113945689 A CN 113945689A
- Authority
- CN
- China
- Prior art keywords
- gas
- module
- concentration
- detection system
- sensor
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000001514 detection method Methods 0.000 title claims abstract description 37
- 238000010790 dilution Methods 0.000 claims abstract description 31
- 239000012895 dilution Substances 0.000 claims abstract description 31
- 239000003344 environmental pollutant Substances 0.000 claims abstract description 31
- 231100000719 pollutant Toxicity 0.000 claims abstract description 31
- 238000004891 communication Methods 0.000 claims abstract description 18
- 239000013618 particulate matter Substances 0.000 claims abstract description 17
- 239000002245 particle Substances 0.000 claims abstract description 16
- 238000012545 processing Methods 0.000 claims abstract description 7
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 claims description 36
- 229910002092 carbon dioxide Inorganic materials 0.000 claims description 18
- 239000001569 carbon dioxide Substances 0.000 claims description 18
- 238000005070 sampling Methods 0.000 claims description 13
- RAHZWNYVWXNFOC-UHFFFAOYSA-N Sulphur dioxide Chemical compound O=S=O RAHZWNYVWXNFOC-UHFFFAOYSA-N 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 6
- 238000007865 diluting Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000001745 non-dispersive infrared spectroscopy Methods 0.000 claims description 4
- 239000003054 catalyst Substances 0.000 claims description 3
- 239000012535 impurity Substances 0.000 claims description 3
- 239000004065 semiconductor Substances 0.000 claims description 3
- 239000007789 gas Substances 0.000 description 74
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 5
- 239000000295 fuel oil Substances 0.000 description 3
- 239000012528 membrane Substances 0.000 description 3
- 238000012544 monitoring process Methods 0.000 description 3
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000002452 interceptive effect Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000011593 sulfur Substances 0.000 description 2
- 229910052717 sulfur Inorganic materials 0.000 description 2
- MGWGWNFMUOTEHG-UHFFFAOYSA-N 4-(3,5-dimethylphenyl)-1,3-thiazol-2-amine Chemical compound CC1=CC(C)=CC(C=2N=C(N)SC=2)=C1 MGWGWNFMUOTEHG-UHFFFAOYSA-N 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910002091 carbon monoxide Inorganic materials 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- JCXJVPUVTGWSNB-UHFFFAOYSA-N nitrogen dioxide Inorganic materials O=[N]=O JCXJVPUVTGWSNB-UHFFFAOYSA-N 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical class S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 1
- 229910052815 sulfur oxide Inorganic materials 0.000 description 1
- 239000002912 waste gas Substances 0.000 description 1
Images
Classifications
-
- 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
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F1/00—Measuring the volume flow or mass flow of fluid or fluent solid material wherein the fluid passes through a meter in a continuous flow
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/06—Investigating concentration of particle suspensions
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/38—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system
- G01S19/39—Determining a navigation solution using signals transmitted by a satellite radio beacon positioning system the satellite radio beacon positioning system transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/42—Determining position
-
- G01N15/075—
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
Abstract
The invention discloses a gas detection system for ship exhaust gas, which comprises: the dilution module is used for controlling the dilution proportion of the collected gas; the gas sensor module is used for detecting the concentration of the gas pollutants in the exhaust gas; the flow control module is used for controlling the flow of the collected gas; the particle detection module is used for detecting the concentration of particles; the main control module is connected with the server, the dilution module, the sensor module, the flow control module, the particulate matter detection module and the communication module and is used for processing and acquiring the gas dilution proportion, the gas pollutant concentration and the acquired gas flow and particulate matter concentration information; the communication module is used for transmitting the collected gas dilution proportion, the concentration of the gas pollutants and the collected gas flow information to the server, and can accurately detect the concentration of various components in the gas pollutants by analyzing and detecting whether the concentration of the gas pollutants exceeds the standard layer by layer.
Description
Technical Field
The invention relates to the field of ship emission detection, in particular to a gas detection system for ship exhaust.
Background
At present, heavy oil is mainly used as fuel in ocean ships in China ports, the sulfur content of the heavy oil is 2.8% -3.5%, and the sulfur content of the heavy oil is partially as high as 4.5%, and in addition, strict engine emission standards are lacked, so that the pollution emission influence of the ships is increasingly remarkable. Diesel particulate matters, nitrogen oxides and sulfur oxides contained in the flue gas discharged by ships seriously threaten human health. The port ship pollution emission becomes a third atmospheric pollution source after the motor vehicle tail gas pollution and the industrial enterprise emission.
Chinese invention with publication number CN113267392A discloses a ship exhaust emission monitoring system and a control method thereof, the ship exhaust emission monitoring system comprises a sampling module, a processing module and a concentration detection module which are connected in sequence, wherein the sampling module collects gaseous pollutants discharged by ships, the processing module processes the gaseous pollutants to make the dew point temperature of the gaseous pollutants lower than a preset dew point temperature to obtain a gas to be detected, the concentration detection module detects concentration parameters of various gases in the gas to be detected, however, the invention can not detect particulate matters mixed in the discharged gas to achieve an accurate detection result.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a gas detection system for ship exhaust tail gas, which can accurately detect the concentration of various components in gas pollutants.
The purpose of the invention is realized by the following technical scheme:
a gas detection system for marine exhaust emissions, comprising:
the dilution module is used for controlling the dilution proportion of the collected gas;
the gas sensor module is used for detecting the concentration of the gas pollutants in the exhaust gas;
The flow control module is used for controlling the flow of the collected gas;
the particle detection module is used for detecting the concentration of particles;
the main control module is connected with the server, the dilution module, the sensor module, the flow control module, the particulate matter detection module and the communication module and is used for processing and acquiring the gas dilution proportion, the gas pollutant concentration and the acquired gas flow and particulate matter concentration information;
and the communication module is used for transmitting the acquired gas dilution proportion, the gas pollutant concentration and the acquired gas flow information to the server.
Furthermore, the main control module is also connected with a sampling module, and the sampling module comprises a sampling pipe, a gas mixing chamber and a condensate water collector which are sequentially connected.
Further, communication module is 4G or GPS, communication module is provided with communication antenna for receiving and transmitting the gaseous dilution ratio of gathering, gaseous pollutant concentration, gather gas flow and particulate matter concentration information and give the server.
Further, gaseous detecting system still includes power module and shell, power module is provided with the switch, the switch is air switch or button switch, the shell is connected with the discharge pipe.
Further, the dilution module is connected with a first filter element, and the first filter element is used for filtering interfering impurities in the dilution gas.
Further, the particulate matter detection module is connected with a second filter element, and the second filter element is used for filtering particulate matters in the mixed collected gas in a primary mode.
Further, the gas sensor module comprises a carbon dioxide sensor and a sulfur dioxide sensor, and the carbon dioxide sensor and the sulfur dioxide sensor are one or more of an NDIR sensor, a thermal conductivity cell carbon dioxide sensor, a catalyst carbon dioxide sensor, a semiconductor carbon dioxide sensor and an electrochemical carbon dioxide sensor.
Furthermore, the main control module is also connected with a display screen.
Compared with the prior art, the invention has the following advantages and beneficial effects:
the sampling pipe is used for collecting gas pollutants, the dilution proportion of the collected gas is controlled by the dilution module, so that the operation burden of the system is reduced, the flow of the collected gas is controlled by the flow control module, the concentration of the gas pollutants in the discharged tail gas is detected by the gas sensor module, and the concentration of particles is detected by the particle detection module; whether the concentration of the gas pollutants exceeds the standard or not is detected through layer-by-layer analysis, and the concentrations of various components in the gas pollutants can be accurately detected.
Drawings
FIG. 1 is a schematic block diagram of a gas detection system for exhaust emissions from a marine vessel;
FIG. 2 is a block diagram of an acquisition module;
FIG. 3 is a schematic perspective view of a portion of a gas detection system for exhaust emissions from a marine vessel;
fig. 4 is a schematic side view of a portion of a gas detection system for exhaust from a marine vessel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
As shown in fig. 1, a gas detection system for ship exhaust gas includes: the dilution module is used for controlling the dilution proportion of the collected gas; the gas sensor module is used for detecting the concentration of the gas pollutants in the exhaust gas; the flow control module is used for controlling the flow of the collected gas; the particle detection module is used for detecting the concentration of particles; the main control module is connected with the server, the dilution module, the sensor module, the flow control module, the particulate matter detection module and the communication module and is used for processing and acquiring the gas dilution proportion, the gas pollutant concentration and the acquired gas flow and particulate matter concentration information; and the communication module is used for transmitting the acquired gas dilution proportion, the gas pollutant concentration and the acquired gas flow information to the server.
As shown in fig. 2 and 3, the main control module is further connected with a sampling module, and the sampling module comprises a sampling pipe 6, a gas mixing chamber 5 and a condensed water collector 4 which are connected in sequence.
In the embodiment, the gas pollutants are collected through the sampling pipe 6 and reach the gas mixing chamber 5, and the condensed water in the cooled gas pollutants reaches the condensed water collector 4; gaseous pollutant is through diluting the module and diluting gaseous back, flow control module control gas flow, and gaseous pollutant is divided into gas and particulate matter, and gas sensor module detects tail gas concentration, and particulate matter detection module detects particulate matter concentration, and main control module handles and gathers gaseous dilution proportion, gas pollutant concentration, gathers gas flow and particulate matter concentration information to transmit the server through communication module.
The communication module is 4G or GPS, the communication module is provided with a communication antenna 1 and is used for receiving and transmitting collected gas dilution proportion, gas pollutant concentration, collected gas flow and particulate matter concentration information to a server so as to complete real-time online processing of data.
As shown in fig. 4, the gas detection system further includes a power module and a housing 7, the power module is provided with a switch, the switch is an air switch or a button switch, the housing 7 is connected with a discharge pipe 8, and the discharge pipe 8 is used for discharging condensed water and waste gas.
As shown in fig. 3, the dilution module is connected with a first filter element 2, and the first filter element 2 is used for filtering interfering impurities, such as particulate matters, in the dilution gas.
The particle detection module is connected with a second filter element 3, the second filter element 3 is used for filtering particles in the mixed collected gas primarily, the second filter element 3 is connected with a filter membrane, the filter membrane is used for filtering particles in the mixed gas secondarily, the filter membrane is connected with a condensation bottle, and the condensation bottle is used for collecting the particles in the mixed collected gas.
The gas sensor module comprises a carbon dioxide sensor and a sulfur dioxide sensor, wherein the carbon dioxide sensor and the sulfur dioxide sensor are one or more of an NDIR sensor, a thermal conductivity cell carbon dioxide sensor, a catalyst carbon dioxide sensor, a semiconductor carbon dioxide sensor and an electrochemical carbon dioxide sensor, preferably, the NDIR sensor is optimal, and the gas sensor can further comprise one or more of a carbon monoxide sensor, a nitric oxide sensor and a nitrogen dioxide sensor which are additionally added according to needs, and particularly, the electrochemical sensor or the sensor with other working principles can be selected.
The main control module is further connected with a display screen, and workers can know and collect gas dilution proportion, gas pollutant concentration and gas flow and particulate matter concentration information at any time through the display screen monitoring whole system.
It should be understood that the above-described embodiments are merely preferred embodiments of the present invention and the technical principles applied thereto, and that any changes, modifications, substitutions, combinations and simplifications made by those skilled in the art without departing from the spirit and principle of the present invention shall be regarded as equivalent substitutions and shall be covered by the protection scope of the present invention.
Claims (8)
1. A gas detection system for marine exhaust emissions, comprising:
the dilution module is used for controlling the dilution proportion of the collected gas;
the gas sensor module is used for detecting the concentration of the gas pollutants in the exhaust gas;
the flow control module is used for controlling the flow of the collected gas;
the particle detection module is used for detecting the concentration of particles;
the main control module is connected with the server, the dilution module, the sensor module, the flow control module, the particulate matter detection module and the communication module and is used for processing and acquiring the gas dilution proportion, the gas pollutant concentration and the acquired gas flow and particulate matter concentration information;
and the communication module is used for transmitting the acquired gas dilution proportion, the gas pollutant concentration and the acquired gas flow information to the server.
2. The gas detection system for ship exhaust gas according to claim 1, wherein: the main control module is further connected with a sampling module, and the sampling module comprises a sampling pipe, a gas mixing chamber and a condensate water collector which are sequentially connected.
3. The gas detection system for ship exhaust gas according to claim 1, wherein: the communication module is 4G or GPS, the communication module is provided with a communication antenna and is used for receiving and transmitting the information of the collected gas dilution proportion, the gas pollutant concentration, the collected gas flow and the particulate matter concentration to a server.
4. The gas detection system for ship exhaust gas according to claim 1, wherein: the gas detection system further comprises a power module and a shell, wherein the power module is provided with a switch, the switch is an air switch or a button switch, and the shell is connected with a discharge pipe.
5. The gas detection system for ship exhaust gas according to claim 1, wherein: the diluting module is connected with a first filter element, and the first filter element is used for filtering interference impurities in the diluting gas.
6. The gas detection system for ship exhaust gas according to claim 1, wherein: the particle detection module is connected with a second filter element, and the second filter element is used for primary filtering of particles in the mixed collected gas.
7. The gas detection system for ship exhaust gas according to claim 1, wherein: the gas sensor module comprises a carbon dioxide sensor and a sulfur dioxide sensor, wherein the carbon dioxide sensor and the sulfur dioxide sensor are one or more of an NDIR sensor, a thermal conductivity cell carbon dioxide sensor, a catalyst carbon dioxide sensor, a semiconductor carbon dioxide sensor and an electrochemical carbon dioxide sensor.
8. The gas detection system for ship exhaust gas according to claim 1, wherein: the main control module is also connected with a display screen.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218570.4A CN113945689A (en) | 2021-10-20 | 2021-10-20 | Gas detection system for ship exhaust |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111218570.4A CN113945689A (en) | 2021-10-20 | 2021-10-20 | Gas detection system for ship exhaust |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113945689A true CN113945689A (en) | 2022-01-18 |
Family
ID=79331574
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111218570.4A Pending CN113945689A (en) | 2021-10-20 | 2021-10-20 | Gas detection system for ship exhaust |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113945689A (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198332A (en) * | 2016-07-08 | 2016-12-07 | 李建 | A kind of exhaust gas from diesel vehicle discharged particle portable car-mounted test system |
| CN106918475A (en) * | 2017-02-28 | 2017-07-04 | 中国科学院广州地球化学研究所 | Ship tail gas diluting and sampling system for particle |
| CN207111211U (en) * | 2017-08-20 | 2018-03-16 | 苏州水木康桥环境工程技术有限公司 | The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant |
| CN108333299A (en) * | 2017-12-28 | 2018-07-27 | 同济大学 | A kind of marine main engine discharges pollutants quick precise testing device and method |
-
2021
- 2021-10-20 CN CN202111218570.4A patent/CN113945689A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106198332A (en) * | 2016-07-08 | 2016-12-07 | 李建 | A kind of exhaust gas from diesel vehicle discharged particle portable car-mounted test system |
| CN106918475A (en) * | 2017-02-28 | 2017-07-04 | 中国科学院广州地球化学研究所 | Ship tail gas diluting and sampling system for particle |
| CN207111211U (en) * | 2017-08-20 | 2018-03-16 | 苏州水木康桥环境工程技术有限公司 | The on-line measurement device of particulate matter in a kind of engine of boat and ship exhaust contaminant |
| CN108333299A (en) * | 2017-12-28 | 2018-07-27 | 同济大学 | A kind of marine main engine discharges pollutants quick precise testing device and method |
Non-Patent Citations (2)
| Title |
|---|
| 张洪昌等: "《汽车传感器检测与车联网技术》", 31 August 2020, 天津科学技术出版社, pages: 220 - 229 * |
| 马麟丽等: "《汽车检测工》", 31 January 2007, 国防工业出版社, pages: 205 - 208 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111238570B (en) | Ship exhaust pollutant detection system and method | |
| CN109978335B (en) | Ship fuel compliance judgment and violation identification method | |
| CN101949843B (en) | Gas circuit system for measuring automotive tail gas in real time | |
| US5753185A (en) | Vehicle emissions testing system | |
| CN111811572A (en) | Ship exhaust emission real-time monitoring method based on big data | |
| JP2006506640A (en) | Apparatus and method for real-time measurement of mass, particle size and number of particulate matter in engine exhaust gas | |
| Zhao et al. | A comprehensive study of particulate and gaseous emissions characterization from an ocean-going cargo vessel under different operating conditions | |
| CN110580936A (en) | Method and system for predicting service life of medium-low temperature SCR denitration catalyst | |
| CN113419037A (en) | Method, terminal and system for monitoring concentration of pollutants discharged by multi-ship tail gas | |
| CN207007705U (en) | A kind of flue gas inspection device for ship tail gas desulfurizer | |
| CN215263401U (en) | Portable emission test system | |
| CN212621763U (en) | Boats and ships plume SO based on unmanned aerial vehicle2Discharge collecting and detecting device | |
| CN113945689A (en) | Gas detection system for ship exhaust | |
| CN220084466U (en) | Filterable flue gas on-line monitoring equipment | |
| CN113669139A (en) | Marine exhaust gas discharge device and discharge method thereof | |
| JP4200012B2 (en) | Light oil identification method, light oil identification device, and light oil identification system | |
| CN105699609A (en) | Real ship diesel engine NOx emission online monitoring system | |
| CN207081710U (en) | A kind of ship tail gas on-line monitoring and control system | |
| CN217450035U (en) | Volatile organic compound removing device | |
| CN106918475B (en) | Ship tail gas particulate matter dilution sampling system | |
| CN213121586U (en) | Vehicle exhaust composition detecting system | |
| CN110907597A (en) | Nitrogen oxide measuring system and method based on ammonia gas detection amount compensation | |
| CN112816651A (en) | Self-suction type detection device for fuel oil sulfur content of unmanned aerial vehicle-mounted ship | |
| CN202614673U (en) | Movable flue gas monitoring and analyzing device | |
| CN211927782U (en) | Sulfur dioxide and carbon dioxide content contrastive analyzer for ship tail gas |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |