阅读说明：本技术 一种船舶用废气排放装置及其排放方法 (Marine exhaust gas discharge device and discharge method thereof ) 是由 侯磊 李文燕 周磊 侯永康 侯林立 张研成 巴忠峰 王振 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种船舶用废气排放装置及其排放方法,属于船舶废气处理技术领域,一种船舶用废气排放装置包括与所述船舶动力驱动装置连接的废气排放管,与所述废气排放管连接的识别装置,所述识别装置用于监测船舶排放出来的气态污染物,所述发热装置的一端与所述废气排放管连接、另一端与船舶动力驱动装置连接。通过将废气排放管与船舶动力驱动装置连接一起,同时将识别装置与废气排放管连通,同时由于船舶尾部烟道排气速率大,烟气温度大,为了合理利用废气,提高船舶排气的利用率,在船舶尾部设置了余热回收系统,将船舶部分排出的热能转换为电能,达到节能目的。(The invention discloses a ship waste gas discharge device and a discharge method thereof, belonging to the technical field of ship waste gas treatment. Through being connected together exhaust emission pipe and boats and ships power drive arrangement, simultaneously with recognition device and exhaust emission pipe intercommunication, simultaneously because boats and ships afterbody flue exhaust rate is big, flue gas temperature is big, for the rational utilization waste gas, improves the carminative utilization ratio of boats and ships, set up waste heat recovery system at the boats and ships afterbody, convert partial exhaust heat energy of boats and ships into the electric energy, reach energy-conserving purpose.)

1. An exhaust emission device for a ship comprises a ship power driving device and is characterized by comprising an exhaust emission pipe connected with the ship power driving device and an identification device connected with the exhaust emission pipe, wherein the identification device is used for monitoring gaseous pollutants emitted by the ship;

the waste heat recovery system comprises a heating system, a hot well connected with the heating system, a condensing device connected with the hot well, a heating device connected with the condensing device, and an exhaust gas boiler connected with the heating device;

the heating device is also connected with the boiler barrel.

2. The exhaust gas discharge device for a ship according to claim 1, characterized in that: the identification device comprises a connecting pipe, a smoke dust sampler, a temperature and humidity transmitter and a secondary release system which are connected with the connecting pipe, a first sampling pipe connected with the secondary release system, a second sampling pipe communicated with the connecting pipe, an electric scale low-voltage impactor connected with the first sampling pipe, a smoke analyzer connected with the second sampling pipe, a data line connected with the electric scale low-voltage impactor, and a computer connected with the data line.

3. The exhaust gas discharge device for a ship according to claim 2, characterized in that: the recognition device automatically collects the flow velocity, dynamic pressure, static pressure, ship tail gas and NO of the ship tail gas_xConcentration, particulate matter concentration, exhaust gas temperature andand a moisture content parameter;

the judgment basis of the emission factor is as follows:

;

e is a pollutant factor discharged by the ship;

mass flow of the pollutant i in the standard condition, g/h;

is the effective power of the ship, KW;

；

mass flow of the gaseous pollutant i under the standard condition, g/h;

volume concentration,%, of gaseous contaminants;

is the molar mass of the gaseous contaminant, g/mol;

；

in the formula (I), the compound is shown in the specification,is the flow rate of the wet exhaust gas under the working condition,/h；

f is the area of the measured cross section,;

v is the average flow velocity of the wet discharge of the measured section,;

dry exhaust flow based on standard conditions;

；

in order to achieve the standard dry discharge flow rate,/h；

is atmospheric pressure, Pa;

p is exhaust static pressure Pa;

t is the temperature of the exhaust gas,；

is the volume percentage of the Chinese water in the exhaust gas.

4. The exhaust gas discharge device for a ship according to claim 2, characterized in that: the identification device further comprises an observation template, an on-site monitoring module connected with the observation module, a meteorological preprocessing module connected with the on-site monitoring module, a diffusion module connected with the meteorological preprocessing module, and a terrain data module connected with the meteorological preprocessing module.

5. The marine exhaust gas discharge device according to claim 4, wherein: the meteorological preprocessing module comprises a boundary layer parameter database and a contour database;

the terrain data module comprises a terrain preprocessing database, the terrain preprocessing database is in communication connection with a boundary layer parameter database, and the profile database is connected with the diffusion module.

6. The exhaust gas discharge device for a ship according to claim 1, characterized in that: the heating device comprises a superheater connected with the ship power driving device and an evaporator connected with the superheater;

one end of the evaporator is connected with the waste gas boiler, and the other end of the evaporator is connected with the boiler barrel.

7. The exhaust gas discharge device for a ship according to claim 1, characterized in that: the condensing device comprises a condenser connected with a generator of the ship power driving device and a condensate pump connected with the condenser, and the generator of the ship power driving device is connected with the superheater;

the other end of the condensate pump is connected with the hot well;

one end of the hot well is also connected with one end of a water feeding pump, and the other end of the water feeding pump is connected with the boiler barrel.

8. The exhaust gas discharge device for a ship according to claim 7, wherein: the waste heat recovery system comprises a low-temperature mode and a steam mode;

the life heating on the ship selects a low-temperature mode, the low-temperature mode is not lower than 0.3mpa, and the reduction of the smoke exhaust temperature is limited;

when the low-pressure mode is adopted, the feed water of the heating system enters the boiler barrel through air cooling gas and then enters the waste gas boiler;

in order to protect the outlet of the exhaust gas boiler from low-temperature corrosion, the outlet temperature of the exhaust gas boiler is required。

9. The exhaust method of an exhaust gas discharge apparatus for a ship according to claim 8, wherein: comprises the following steps;

step 1, collecting results and original data before work by a worker through a work end in a ship, designing a ship driving route, inputting the designed driving route into an identification device, and sending the driving route to a server;

step 2, starting the ship through the designed running route, further enabling tail gas of the ship to pass through the waste gas discharge pipe, monitoring the tail gas and pollutants passing through the waste gas discharge pipe by the recognition device, and synchronously starting the waste heat recovery system;

step 3, detecting tail gas discharged by a ship by using an identification device, and automatically detecting parameters such as the concentration of NOx in the tail gas of the ship, the concentration of particulate matters (PM 2.5 and PM 10), the temperature of the tail gas, the moisture content and the like by using the identification device;

step 4, detecting the concentration and the particle distribution condition of particulate matters discharged from ship tail gas in real time by an electronic scale low-voltage impactor in the identification device, acquiring sea area information by using an observation module, determining a ship motion track, removing data for correction through data denoising, and acquiring elevation information by combining a meteorological preprocessing module, and processing the information according to a time axis to further acquire a flowing information stream;

step 5, when the ship load is reduced, the efficiency of the ship power driving device is reduced, the brake fuel oil rises, further emission factors are increased, and meanwhile, the recognition device monitors low-load adjustment coefficients corresponding to various pollutant emission factors, so that the emission factors are conveniently corrected;

step 6, the waste heat recovery system utilizes the exhaust heat energy to generate steam to provide heating and living miscellaneous uses;

step 7, in the heating process of the waste heat recovery system, the total pressure is not lower than 0.3mpa, and in order to meet the requirements of different energies, extremely low-pressure steam is supplied to a low-pressure section of the ship power driving device, so that the exhaust gas temperature of the exhaust gas boiler is further reduced;

and 8, heating the water fed by the heating system through an air cooler, feeding the water into a waste gas boiler, absorbing heat, dividing the heat into two parts, feeding one part of the heat into a high-pressure separator and the other part of the heat into a solar low-pressure evaporator, heating the heat and then feeding the heat into a low-pressure separator, and simultaneously monitoring and predicting the actual working condition of the ship waste heat recovery system by using the recognition device so as to provide the actual working condition for the ship waste gas waste heat system.

10. The exhaust method of an exhaust gas discharge apparatus for a ship according to claim 8, wherein: the step 4 comprises the following steps: step 4.1, the field monitoring module is utilized to photograph and record a video in the sea area, and simultaneously, the environment depending on the sea area or the port is scanned, and the software is utilized to synthesize a panoramic image of the observation point;

step 4.2, drawing a digitized sea area or port sketch map by using a touch screen, and recording the sea area or port existing recording mode by using a microphone;

4.3, performing expansion and translation by using a Gaussian function, determining the frequency of a decomposed signal through the time of the signal, performing expansion and contraction transformation on a simple harmonic wave in a basic wavelet in a time domain to approximate the time position of the signal, and performing automatic frequency adjustment multi-resolution analysis on the time-frequency local characteristics of the signal through a time-frequency analysis method;

and 4.4, storing the data information data in the recognition device, and directly recognizing and generating the digital character information by using the voice recognition in the recognition device.

Technical Field

The invention relates to a ship exhaust emission device, in particular to a ship exhaust emission device and an exhaust emission method thereof.

Background

China is a country with densely distributed water networks, numerous lakes and rich shipping resources. The waterway transportation has the advantages of large transportation loading capacity, low transportation cost, high energy utilization rate, relatively small influence on the environment, less land occupation resource and the like, plays an irreplaceable role in the transportation system of China, and forms a comprehensive transportation system of China together with road, railway, pipeline and aviation transportation.

The prosperity of the water transportation industry brings great economic benefits, and simultaneously, the pollution problem along the waterway and at the peripheral ports is also aggravated, and the fuel consumption caused by the ship power device continuously discharges toxic and harmful pollutants such as nitric oxide (NOx), sulfur dioxide (SO 2), Hydrocarbon (HC), carbon monoxide (CO), volatile organic pollutants (VOCs), fine Particulate Matters (PM) and the like and greenhouse gases such as carbon dioxide (CO 2) and the like to the atmosphere. In the prior art, the emission of ship pollutants is usually carried out in a laboratory, researchers control various experimental conditions to obtain emission data under different running states, the pollutant concentration in ambient air is measured by navigation, and the laboratory measurement is often an indoor environment designed by researchers under the operating conditions of weather, hydrology and ships, so that the emission data under the actual sailing state and the actual sailing state of the ships measured by the laboratory are often caused by the difference of the two environments, and the accuracy of the most result is not enough.

Disclosure of Invention

The purpose of the invention is as follows: an exhaust emission device for a ship and an emission method thereof are provided to solve the above problems in the prior art.

The technical scheme is as follows: an exhaust emission device for a ship comprises a ship power driving device and is characterized by comprising an exhaust emission pipe connected with the ship power driving device and an identification device connected with the exhaust emission pipe, wherein the identification device is used for monitoring gaseous pollutants emitted by the ship;

the waste heat recovery system comprises a heating system, a hot well connected with the heating system, a condensing device connected with the hot well, a heating device connected with the condensing device, and an exhaust gas boiler connected with the heating device;

the heating device is also connected with the boiler barrel.

In a further embodiment, the identification device comprises a connecting pipe, a smoke sampler, a temperature and humidity transmitter and a secondary release system which are connected with the connecting pipe, a first sampling pipe connected with the secondary release system, a second sampling pipe communicated with the connecting pipe, an electric scale low-voltage impactor connected with the first sampling pipe, a smoke analyzer connected with the second sampling pipe, a data line connected with the electric scale low-voltage impactor, and a computer connected with the data line.

In a further embodiment, the identification device automatically collects the flow rate, dynamic pressure, static pressure, marine exhaust gas, NO of marine exhaust gas_xParameters of concentration, particulate matter concentration, tail gas temperature and moisture content;

the judgment basis of the emission factor is as follows:

；

e is a pollutant factor discharged by the ship;

mass flow of the pollutant i in the standard condition, g/h;

is the effective power of the ship, KW;

；

mass flow of the gaseous pollutant i under the standard condition, g/h;

volume concentration,%, of gaseous contaminants;

is the molar mass of the gaseous contaminant, g/mol;

；

in the formula (I), the compound is shown in the specification,is the flow rate of the wet exhaust gas under the working condition,/h；

f is the area of the measured cross section,;

v is the average flow velocity of the wet discharge of the measured section,;

dry exhaust flow based on standard conditions;

；

in order to achieve the standard dry discharge flow rate,/h；

is atmospheric pressure, Pa;

p is exhaust static pressure Pa;

t is the temperature of the exhaust gas,；

is the volume percentage of the Chinese water in the exhaust gas.

In a further embodiment, the identification device further comprises an observation template, an on-site monitoring module connected to the observation module, a weather preprocessing module connected to the on-site monitoring module, a diffusion module connected to the weather preprocessing module, and a terrain data module connected to the weather preprocessing module.

In a further embodiment, the weather preprocessing module includes a boundary layer parameter database and a profile database;

the terrain data module comprises a terrain preprocessing database, the terrain preprocessing database is in communication connection with a boundary layer parameter database, and the profile database is connected with the diffusion module.

In a further embodiment, the heat generating device comprises a superheater connected with the ship power driving device, and an evaporator connected with the superheater;

one end of the evaporator is connected with the waste gas boiler, and the other end of the evaporator is connected with the boiler barrel.

In a further embodiment, the condensing device comprises a condenser connected with a generator of the ship power driving device, and a condensate pump connected with the condenser, wherein the generator of the ship power driving device is connected with the superheater;

the other end of the condensate pump is connected with the hot well;

one end of the hot well is also connected with one end of a feed pump, and the other end of the feed pump is connected with the drum.

In a further embodiment, the waste heat recovery system includes a low temperature mode and a steam mode;

the life heating on the ship selects a low-temperature mode, the low-temperature mode is not lower than 0.3mpa, and the reduction of the smoke exhaust temperature is limited;

when the low-pressure mode is adopted, the feed water of the heating system enters the boiler barrel through air cooling gas and then enters the waste gas boiler;

in order to protect the outlet of the exhaust gas boiler from low-temperature corrosion, the outlet temperature of the exhaust gas boiler is required；

The following requirements are met;

。

in a further embodiment, a method of discharging an exhaust gas discharge pipe for a ship according to claim 8, comprising the steps of;

step 1, collecting results and original data before work by a worker through a work end in a ship, designing a ship driving route, inputting the designed driving route into an identification device, and sending the driving route to a server;

step 2, starting the ship through the designed running route, further enabling tail gas of the ship to pass through the waste gas discharge pipe, monitoring the tail gas and pollutants passing through the waste gas discharge pipe by the recognition device, and synchronously starting the waste heat recovery system;

step 3, detecting tail gas discharged by a ship by using an identification device, and automatically detecting parameters such as the concentration of NOx in the tail gas of the ship, the concentration of particulate matters (PM 2.5 and PM 10), the temperature of the tail gas, the moisture content and the like by using the identification device;

step 4, detecting the concentration and the particle distribution condition of particulate matters discharged from ship tail gas in real time by an electronic scale low-voltage impactor in the identification device, acquiring sea area information by using an observation module, determining a ship motion track, removing data for correction through data denoising, and acquiring elevation information by combining a meteorological preprocessing module, and processing the information according to a time axis to further acquire a flowing information stream;

step 5, when the ship load is reduced, the efficiency of the ship power driving device is reduced, the brake fuel oil rises, further emission factors are increased, and meanwhile, the recognition device monitors low-load adjustment coefficients corresponding to various pollutant emission factors, so that the emission factors are conveniently corrected;

step 6, the waste heat recovery system utilizes the exhaust heat energy to generate steam to provide heating and living miscellaneous uses;

step 7, in the heating process of the waste heat recovery system, the total pressure is not lower than 0.3mpa, and in order to meet the requirements of different energies, extremely low-pressure steam is supplied to a low-pressure section of the ship power driving device, so that the exhaust gas temperature of the exhaust gas boiler is further reduced;

and 8, heating the water fed by the heating system through an air cooler, feeding the water into a waste gas boiler, absorbing heat, dividing the heat into two parts, feeding one part of the heat into a high-pressure separator and the other part of the heat into a solar low-pressure evaporator, heating the heat and then feeding the heat into a low-pressure separator, and simultaneously monitoring and predicting the actual working condition of the ship waste heat recovery system by using the recognition device so as to provide the actual working condition for the ship waste gas waste heat system.

In a further embodiment, the method for discharging an exhaust gas discharge pipe for a ship according to claim 8, wherein the step 4 comprises the steps of:

step 4.1, the field monitoring module is utilized to photograph and record a video in the sea area, and simultaneously, the environment depending on the sea area or the port is scanned, and the software is utilized to synthesize a panoramic image of the observation point;

step 4.2, drawing a digitized sea area or port sketch map by using a touch screen, and recording the sea area or port existing recording mode by using a microphone;

4.3, performing expansion and translation by using a Gaussian function, determining the frequency of a decomposed signal through the time of the signal, performing expansion and contraction transformation on a simple harmonic wave in a basic wavelet in a time domain to approximate the time position of the signal, and performing automatic frequency adjustment multi-resolution analysis on the time-frequency local characteristics of the signal through a time-frequency analysis method;

and 4.4, storing the data information data in the recognition device, and directly recognizing and generating the digital character information by using the voice recognition in the recognition device.

Has the advantages that: the invention discloses a ship exhaust emission device, which is characterized in that an exhaust emission pipe is connected with a ship power driving device, an identification device is communicated with the exhaust emission pipe, and a waste heat recovery system is arranged at the tail part of a ship to convert heat energy discharged by the ship part into electric energy so as to achieve the purpose of energy conservation, wherein the exhaust emission pipe is large in exhaust speed and high in flue gas temperature of a tail flue of the ship, so that the exhaust utilization rate of the ship is improved, and the waste heat recovery system is arranged at the tail part of the ship in order to reasonably utilize the exhaust.

Drawings

FIG. 1 is a front view of the present invention;

FIG. 2 is a process flow diagram of the waste heat recovery system of the present invention;

FIG. 3 is a flow chart of the identification device of the present invention;

fig. 4 is a process flow diagram of an identification device of the present invention.

The reference signs are: the device comprises a ship 1, an exhaust gas discharge pipe 2, a recognition device 3, a connecting pipe 4, a smoke sampler 5, a temperature and humidity transmitter 6, a secondary release system 7, an electric scale low-pressure impactor 8, a computer 9, a flue gas analyzer 10, a first sampling pipe 11, a second sampling pipe 12, a data line 13, an evaporator 14, a superheater 15, a heating system 16, a condenser 17, a condensate pump 18, a hot well 19, a water feed pump 20, a boiler barrel 21 and an exhaust gas boiler 22.

Detailed Description

The invention completes the work of utilizing the waste heat of the ship tail gas through the ship exhaust gas discharge device and the discharge method thereof, and the applicant carefully studies the defects of the traditional ship exhaust gas discharge pipe.

The real-time monitoring of the ship tail gas emission is usually carried out in a laboratory, and researchers control experimental conditions, so that errors are easily generated between the experimental conditions and the accuracy of the emission data of the ship during actual navigation, and the experimental data are wasted.

At the navigation boats and ships, when the emission and the pollution amount of detection tail gas, waste gas can release a large amount of heats, prior check out test set is when detecting, in tail gas or the direct atmospheric discharge of waste gas, directly influence poisonous and harmful pollutants such as carbon monoxide (CO), volatile organic pollutants (VOCs) and fine particles thing (PM) and greenhouse gas such as carbon dioxide (CO 2), aggravate air pollution, also can cause a large amount of heat extravagant simultaneously.

In view of the big exhaust rate of ship host computer afterbody flue, the flue gas temperature drop can be neglected, sets up waste heat recovery system and exhaust emission union coupling, and identification device examines the exhaust pollutant of controlling tail gas under the boats and ships navigation state with preheating recovery system in real time, preheats recovery system simultaneously and collects unnecessary heat in the tail gas, solves the extravagant problem of heat.

The present invention will be further described in detail with reference to the following examples and accompanying drawings.

An exhaust emission device for a ship comprises an exhaust emission pipe 2 connected with a ship power driving device and the ship power driving device, a recognition device 3 connected with the exhaust emission pipe 2, and a waste heat recovery system connected with the exhaust emission pipe 2;

in particular, the identification device 3 is used for monitoring the gaseous pollutants emitted by the ship;

preferably, the waste heat recovery system comprises a heat generating device connected with a discharge pipe of the ship 1, a hot well 19 connected with the heating system 16, a condensing device connected with the hot well 19, a heat generating device connected with the condensing device, and an exhaust gas boiler 22 connected with the heat generating device;

the other end of the heating device is connected with an exhaust gas boiler 22, and the heating device is also connected with a boiler barrel 21.

Specifically, a superheater 15 in the heating device is connected with the ship 1 power driving device, an evaporator 14 is connected with the superheater 15, one end of the evaporator 14 is connected with the exhaust gas boiler 22, the other end of the evaporator is connected with a boiler barrel 21, a condenser 17 connected with a generator of the ship 1 power driving device is connected with a condensate pump 18 connected with the condenser 17, and the generator of the ship power driving device is connected with the superheater 15;

the other end of the condensate pump is connected with a hot well 19;

one end of the hot well 19 is also connected with one end of a feed pump 20, and the other end of the feed pump 20 is connected with a drum 21.

The waste heat recovery system is directly connected with the tail gas discharge pipe, steam is generated by utilizing exhaust gas and is used for heating and living sundries on the ship 1, the heating system 16 is arranged in consideration of high exhaust gas temperature and low waste heat recovery rate of the tail gas, and the evaporator 14 absorbs heat of the flue gas after being heated, but the waste heat recovery system comprises a low-temperature mode and a steam mode because the heating system 16 has limited heat absorption capacity and the exhaust gas temperature needs to be reduced and the steam pressure needs to be improved;

preferably, the life heating on the ship 1 adopts a low-temperature mode, the low-temperature mode is not lower than 0.3mpa, and the reduction of the exhaust smoke temperature is limited; when the low pressure mode is adopted, the feed water of the heating system 16 is heated by the air cooling gas and enters the waste gas boiler 22;

in order to protect the outlet of the exhaust gas boiler 22 from low-temperature corrosion, the outlet temperature T _ OUT of the exhaust gas boiler 22 is required to be greater than 150 ℃;

the following requirements are met;

。

specifically, the waste heat recovery system utilizes low-pressure saturated steam to enable the low-pressure saturated steam to enter a low-pressure stage working state, and simultaneously, the low-pressure steam is supplied to a low-pressure section of the ship 1, so that the exhaust gas temperature of the exhaust gas boiler 22 is further reduced, meanwhile, in order to be suitable for low exhaust gas temperature, the feed water of the waste heat recovery system enters the exhaust gas boiler 22 through air cooling, and after heat absorption, the feed water is divided into two sections, namely a half of the high-pressure separator and the other half of the high-pressure separator enter the low-pressure evaporator 14, and then enters the low-pressure separator after heating.

In the process of sailing of the ship 1, although the redundant heat is reasonably utilized, a large amount of pollutants are discharged when the tail gas of the ship 1 is discharged, the pollutants discharged in the process of sailing of the ship 1 are directly discharged into the atmosphere, and the problem of improving the accuracy of the measurement result of the discharged pollutants is solved; connecting pipe 4

Will identification device 3 is connected with exhaust emission pipe 2, identification device 3 is used for monitoring the gaseous pollutant that 1 boats and ships emitted out, and 1 chimney tail gas of boats and ships is connected to connecting pipe 4 one end, and the other end of connecting pipe 4 respectively with, smoke and dust sample thief 5, temperature and humidity transmitter 6 and second grade release 7 are connected, first sampling pipe 11 with second grade release system connects, second sampling pipe 12 with connecting pipe 4 intercommunication, electronic scale low pressure impacter 8 with first sampling pipe 11 is connected, flue gas analyzer 10 with second sampling pipe 12 is connected, data line 13 one end with electronic scale low pressure impacter 8 is connected, the other end is connected with the computer.

Real-time online measurement of particulate matters and particle distribution conditions discharged from the tail gas of the ship 1 is carried out through the electronic scale low-voltage impactor 8, the particles firstly enter a single-pole corona charging device for charging, and the particulate matters in a load cell are all charged by accurate charge numbers; then electrified particulate matter is transported to and is equipped with on the low pressure impacter of insulating collection layer, get into the electric current of the electrified particulate matter on each aspect, carry out the electrical measurement through a multichannel static appearance, the current signal that the static appearance measured carries out analysis processes through computer 9, just obtain dusty gas sample particulate matter concentration and particle size distribution, contain certain vapor when boats and ships 1 exhaust, produce the influence to the monitoring easily, set up the vacuum pump, the flue gas gets into first sampling pipe 11 and second sampling pipe 12 in proper order, NO and NO in the tail gas of 1 test boats and ships of progress flue gas analyzer 10 test through second sampling pipe 12 discharge₂The concentration, the sensor of different smoke components is used for generating electric signals by being sensitive to specific gas components and concentrations, and the concentration of the components is calculated and compensated by software; in addition, the temperature transmission built in the instrument is utilizedThe sensor can also obtain the temperature information of the flue gas in real time; be connected with compound humidity transducer simultaneously, be furnished with additional temperature sensor to the heating probe technique has been adopted, monitoring and test that is applicable to flue gas humidity in the higher relative humidity (more than 90% RH) environment, removable ceramic filter that washes that heating probe surface has can prevent effectively that particulate matter from to the influence that the probe caused in the flue gas, and the monitoring result passes through data line 13 and spreads into in the calculation, in order to realize the real time monitoring of flue gas humidity, temperature.

The identification device 3 further comprises an observation template, an on-site monitoring module connected with the observation module, a meteorological preprocessing module connected with the on-site monitoring module, a diffusion module connected with the meteorological preprocessing module, and a terrain data module connected with the meteorological preprocessing module.

The meteorological preprocessing module comprises a boundary layer parameter database and a contour database;

the terrain data module comprises a terrain preprocessing database, the terrain preprocessing database is in communication connection with a boundary layer parameter database, and the profile database is connected with the diffusion module.

Specifically, the exhaust pollutant emission factor of the ship 1 is calculated, the exhaust pollutant emission factor is corrected, and the load under various operation conditions is calculated, and the identification device 3 automatically acquires parameters of the flow velocity, the dynamic pressure, the static pressure, the ship exhaust gas, the NOx concentration, the particulate matter concentration, the exhaust gas temperature and the moisture content of the ship 1 exhaust gas;

the emission factor is judged according to the following:

;

e is a pollutant factor discharged by the ship;

mass flow of the pollutant i in the standard condition, g/h;

is the effective power of the ship, KW;

；

mass flow of the gaseous pollutant i under the standard condition, g/h;

volume concentration,%, of gaseous contaminants;

is the molar mass of the gaseous contaminant, g/mol;

；

in the formula (I), the compound is shown in the specification,is the flow rate of the wet exhaust gas under the working condition,/h；

f is the area of the measured cross section,;

v is the average flow velocity of the wet discharge of the measured section,;

dry exhaust flow based on standard conditions;

；

in order to achieve the standard dry discharge flow rate,/h；

is atmospheric pressure, Pa;

p is exhaust static pressure Pa;

t is the temperature of the exhaust gas,；

is the volume percentage of the Chinese water in the exhaust gas.

In particular to an exhaust method of an exhaust emission device for a ship,

comprises the following steps;

step 1, collecting results and original data before work by a worker through a work end in a ship, designing a ship driving route, inputting the designed driving route into an identification device 3, and sending the driving route to a server;

step 2, starting the ship 1 through the designed running route, further enabling tail gas of the ship to pass through the waste gas discharge pipe 2, then monitoring the tail gas and pollutants passing through the waste gas discharge pipe 2 by the recognition device 3, and simultaneously synchronously starting the waste heat recovery system;

step 3, detecting the tail gas discharged by the ship 1 by the identification device 3, and automatically detecting parameters such as the NOx concentration, the particulate matter (PM 2.5, PM 10) concentration, the tail gas temperature and the moisture content of the tail gas of the ship 1 by the identification device 3;

step 4, detecting the concentration and the particle distribution condition of particulate matters discharged from the tail gas of the ship 1 in real time by the electric scale low-voltage impacter 8 in the identification device 3, acquiring sea area information by using the observation module, determining the motion track of the ship 1, removing noise and data for correction, acquiring upward-looking information by combining the meteorological preprocessing module, processing the information according to a time axis, and further acquiring a flowing information stream;

step 4.1, the field monitoring module is utilized to photograph and record a video in the sea area, and simultaneously, the environment depending on the sea area or the port is scanned, and the software is utilized to synthesize a panoramic image of the observation point;

step 4.2, drawing a digitized sea area or port sketch map by using a touch screen, and recording the sea area or port existing recording mode by using a microphone;

4.3, performing expansion and translation by using a Gaussian function, determining the frequency of a decomposed signal through the time of the signal, performing expansion and contraction transformation on a simple harmonic wave in a basic wavelet in a time domain to approximate the time position of the signal, and performing automatic frequency adjustment multi-resolution analysis on the time-frequency local characteristics of the signal through a time-frequency analysis method;

and 4.4, storing the data information data in the recognition device 3, and directly recognizing and generating the digital character information by using the voice recognition in the recognition device 3.

Step 5, when the load of the ship 1 is reduced, the efficiency of a power driving device of the ship 1 is reduced, the brake fuel oil rises, further emission factors are increased, and meanwhile, the recognition device 3 monitors low-load adjustment coefficients corresponding to various pollutant emission factors, so that the emission factors are conveniently corrected;

step 6, the waste heat recovery system utilizes the exhaust heat energy to generate steam to provide heating and living miscellaneous uses;

step 7, in the heating process of the waste heat recovery system, the total pressure is not lower than 0.3mpa, in order to meet the requirements of different energies, extremely low-pressure steam is adopted and supplied to the low-pressure section of the ship power driving device, and the exhaust temperature of the exhaust gas boiler 22 is further reduced;

and 8, heating the water fed by the heating system 16 through an air cooler, feeding the water into an exhaust gas boiler 22, absorbing heat, dividing the heat into two parts, feeding one part of the heat into a high-pressure separator and the other part of the heat into a daily low-pressure evaporator 14, heating the heat and then feeding the heat into a low-pressure separator, and simultaneously monitoring and predicting the actual working condition of the ship waste heat recovery system by the recognition device 3 to provide the actual working condition for the ship waste heat system.

The preferred embodiments of the present invention have been described in detail with reference to the accompanying drawings, however, the present invention is not limited to the specific details of the embodiments, and various equivalent changes can be made to the technical solution of the present invention within the technical idea of the present invention, and these equivalent changes are within the protection scope of the present invention.