A monitoring method, terminal and system for monitoring the concentration of pollutants emitted by exhaust gas from multiple ships

A technology for pollutant concentration and ship exhaust, which is applied in the analysis of gas mixtures, measuring devices, instruments, etc., can solve the problems of fuel sulfur content monitoring, lack of effective means, and inability to meet the monitoring needs of ships sailing at the same time, and achieve monitoring efficiency. The effect of improving, improving efficiency, and reducing the requirements of data processing capacity

Active Publication Date: 2021-11-02
HANGZHOU CHUNLAI TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the exhaust gas analysis results are susceptible to CO 2 The influence of factors such as saturated absorption;
[0006] Moreover, the above two ship exhaust remote measurement methods can only monitor the fuel sulfur content of a single ship, and cannot meet the monitoring requirements of multiple ships sailing in the measurement area that often exist in actual situations; The monitoring of atmospheric pollutants such as oxides, nitrogen oxides, and carbon oxides also lacks effective means

Method used

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  • A monitoring method, terminal and system for monitoring the concentration of pollutants emitted by exhaust gas from multiple ships
  • A monitoring method, terminal and system for monitoring the concentration of pollutants emitted by exhaust gas from multiple ships
  • A monitoring method, terminal and system for monitoring the concentration of pollutants emitted by exhaust gas from multiple ships

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Experimental program
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Effect test

Embodiment 1

[0061] This embodiment is in the ship emission control area, taking the port area as an example to illustrate, and the layout R There are two ship exhaust remote meters, and the telemetry areas of each ship exhaust remote meter are independent of each other. in, R is an integer greater than 1.

[0062] Such as figure 1 As shown, the monitoring method of the multi-vessel exhaust emission pollutant concentration of the present embodiment comprises the following steps:

[0063] S1. Get R The telemetry concentration of atmospheric pollutants monitored by a ship exhaust telemeter, and a digital exhaust information matrix composed of time points and telemetry concentrations of atmospheric pollutants is established. D 1 , D 2 ,..., D R ;

[0064] Among them, the types of air pollutants include SO 2 , CO 2 , NO x , PM, etc., and the collection time of the ship exhaust telemeter is generally 500ms, then the exhaust information matrix D j The expression of is as follows:...

Embodiment 2

[0144] The difference between the monitoring method of the multi-vessel tail gas emission pollutant concentration of the present embodiment and the embodiment 1 is:

[0145] The target condition only retains the condition (2) to meet the needs of different applications; that is, the target condition of this embodiment is:

[0146] The distance between the coordinate position of the ship and the position of the hit point of the corresponding ship exhaust telemeter is less than the effective detection distance of the corresponding ship exhaust telemeter;

[0147] Among them, the effective detection distance of the ship exhaust telemeter is related to the wind speed and wind direction in the meteorological information, generally in the range of 500-2000m.

[0148] Other steps can refer to embodiment 1.

[0149] Correspondingly, the monitoring terminal and the monitoring system make corresponding adjustments.

Embodiment 3

[0151] The difference between the monitoring method of the multi-vessel tail gas emission pollutant concentration of the present embodiment and the embodiment 1 is:

[0152] The monitoring method is applied in the inland river area, and the layout of the exhaust remote detectors of each ship is as follows: Figure 6 shown;

[0153] Other steps can refer to embodiment 1.

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Abstract

The invention relates to a monitoring method, terminal and system for the concentration of exhaust pollutants emitted by multiple ships. The monitoring method includes: acquiring the telemetry concentration of atmospheric pollutants monitored by each ship's exhaust remote detector, and establishing an exhaust information matrix; acquiring the static information of the ship and Dynamic information, establish a ship information matrix; identify the target time interval of the peak telemetry concentration of atmospheric pollutants monitored by each ship's exhaust remote meter, and intercept the corresponding exhaust information sub-matrix in the exhaust information matrix; poll each ship's exhaust telemetry The target time interval corresponding to the instrument, and screen the target ship that meets the target conditions in the ship information matrix; associate the target ship with the telemetry concentration and meteorological information of the atmospheric pollutants monitored by at least two ship exhaust telemeters; based on the ship plume Gaussian Diffusion model and nonlinear multi-component analysis algorithm are used to invert the concentration of air pollutants emitted by each ship exhaust. The invention realizes the concentration monitoring of the tail gas emission pollutants of a plurality of ships.

Description

technical field [0001] The invention belongs to the technical field of ship tail gas emission monitoring, and in particular relates to a monitoring method, terminal and system for monitoring the concentration of pollutants emitted by multi-ship tail gas. Background technique [0002] With the promulgation of the "Implementation Plan for Ship Air Pollutant Emission Control Area", the ship emission control area has been "expanded" and extended to inland rivers; it is also required to reduce sulfur oxides, Emission of air pollutants such as nitrogen oxides, particulate matter and volatile organic compounds. [0003] The implementation of the implementation plan of the ship emission control area requires effective monitoring means to provide guarantee. The current monitoring methods are relatively simple and inefficient. Only random inspections of the sulfur content of fuel oil are carried out on board ships, which cannot effectively monitor a large number of ships entering and...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N33/00G06F17/16
CPCG01N33/0004G06F17/16
Inventor 邱梦春陆生忠温作乐梁大荣汪鲁见吴垒王超屈颖周城陶波于志伟
Owner HANGZHOU CHUNLAI TECH
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