Sampling system and method for fixed gas emission source, and application thereof

A sampling system and emission source technology, which is applied in the field of sampling systems for fixed gas emission sources, can solve the problems of increasing pollution control decisions, inability to realize digital monitoring and obtaining information records, and inability to accurately estimate the total amount of gas emissions.

CN110763526APending Publication Date: 2020-02-07CHINESE RES ACAD OF ENVIRONMENTAL SCI
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Patent Information

Authority / Receiving Office
CN · China
Current Assignee / Owner
Publication Date
2020-02-07

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Abstract

The invention provides a sampling system and method for a fixed gas emission source. The sampling system comprises a sampling device, a flow sensing device, an information calculation device, a flow control processing device and a flow integrating device, wherein the sampling device is configured to receive a gas from a fixed gas emission source; the flow sensing device is configured to monitor, read and store the wind speed value of the gas; the information calculation device is configured to obtain information processing data according to the wind speed value; the flow control processing device is configured to convert the information processing data into an electromagnetic signal and transmit the electromagnetic signal to the flow integrating device; and the flow integrating device is configured to obtain sampling data according to the electromagnetic signal. According to the sampling system and method for the fixed gas emission source, the total emission amount of gas can be accurately estimated, digital monitoring of the sampling process is achieved, and information records are obtained.
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Description

technical field

[0001] The invention relates to the field of gas sampling, in particular to a sampling system, a sampling method and an application of a gas fixed emission source. Background technique

[0002] Urban air pollutants have attracted the attention of relevant environmental protection research teams, technical teams and the general public worldwide. After the development of related topics in recent years, research teams at home and abroad have formulated relevant research methods for various pollution sources and introduced relevant experimental equipment.

[0003] As we all know, the sampling system and method of gas fixed emission sources are an indispensable basic work for the study of exhaust gas, which has an important impact on the accuracy of the final research results. For stationary gas emission sources, domestic scientific research institutions usually adopt the relevant systems and methods issued by the US Environmental Protection Agency. However, due...

Examples

Embodiment Construction

[0071] The present invention will be described below with reference to specific examples. Those skilled in the art can understand that these examples are only used to illustrate the present invention and do not limit the scope of the present invention in any way.

[0072] The experimental methods in the following examples are conventional methods unless otherwise specified.

[0073] combined with figure 1 and 2 , The specific implementation of the gas fixed emission source sampling system and sampling method of the present invention is as follows, wherein, the arrow-shaped (upward) mark in the gas fixed emission source 23 indicates the direction of gas flow:

[0074] The gas stationary emission source 23 in the present invention may be an exhaust gas VOC stationary emission source. Specifically, the gas sampling system for fixed emission sources includes a sampling device 24, a flow sensing device 25, an information computing device 10, a flow control processing device 9, a...