Gas recovery systems and methods based on intelligent gas regulatory internet of things

Patent metadata

Field	Value
Publication number	US-12544714-B2
Application number	US-202519223017-A
Country	US
Kind code	B2
Filing date	May 29, 2025
Priority date	Feb 28, 2025
Publication date	Feb 10, 2026
Grant date	Feb 10, 2026

Abstract

A gas recovery system and method based on an intelligent gas regulatory IoT are provided. The system includes a government regulatory management platform, a government regulatory sensor network platform, a government regulatory object platform including a gas company management platform, a gas company sensor network platform, and a gas device object platform. The method includes obtaining target detection data and target flow data of a pipeline to be recovered from the gas device object platform; determining a gas pollution value based on the target detection data and the target flow data; determining a purification parameter of a purification device based on the gas pollution value and the target flow data; determining a recovery instruction and sending it to at least one user interaction device via the gas device object platform; in response to obtaining a recovery completion instruction, sending the purification parameter to the gas device object platform.

First claim

What is claimed is:

1 . A gas recovery system based on an intelligent gas regulatory Internet of Things (IoT), comprising a government regulatory management platform, a government regulatory sensor network platform, a government regulatory object platform, a gas company sensor network platform, and a gas device object platform, the government regulatory object platform including a gas company management platform, wherein the government regulatory management platform, the government regulatory sensor network platform, and the government regulatory object platform interact sequentially, and the gas company management platform, the gas company sensor network platform, and the gas device object platform interact sequentially;
the gas device object platform includes a purification device, a gas storage tank group, and a temporary storage tank group; the temporary storage tank group includes at least one temporary storage tank, and the temporary storage tank is configured to store gas to be recovered; the purification device is configured to extract the gas to be recovered from the temporary storage tank group, purify the gas to be recovered, and store purified gas into the gas storage tank group; the gas storage tank group includes at least one gas storage tank, and the gas storage tank is configured to store the purified gas; the gas device object platform includes at least one user interaction device and at least one sampling device, wherein the at least one sampling device is located in at least one preset location of a pipeline to be recovered, the sampling device is configured to extract a preset amount of pipeline gas for inspection to obtain gas inspection data, and the gas inspection data includes a gas concentration and a gas composition; the gas company management platform is configured to:
obtain target detection data and target flow data of the pipeline to be recovered from the gas device object platform, wherein the target detection data is impurity detection data of the pipeline to be recovered in a preset time period, and the target flow data is gas flow data of the pipeline to be recovered in the preset time period;
determine, based on the target detection data and the target flow data, a gas pollution value, wherein the gas pollution value is also related to line data and the gas inspection data on at least one gas line where the pipeline to be recovered is located, and the line data includes at least one of a pipeline temperature, a pipeline air pressure, and impurity detection data of all pipelines on the at least one gas line where the pipeline to be recovered is located;
determine, based on the target detection data, a current impurity distribution;
construct an impurity map based on the gas inspection data at the at least one preset location, the line data on the at least one gas line, the current impurity distribution, and the target flow data, wherein an attribute of a node of the impurity map includes a pipeline in-degree, the pipeline in-degree indicates a count of pipeline branches of gas flowing into the node, an attribute of an edge of the impurity map includes a pollution strength value, and the pollution strength value is related to an impurity type;
determine the gas pollution value by processing the impurity map through a pollution value determination model, the pollution value determination model being a machine learning model;
determine, based on the gas pollution value and the target flow data, a purification parameter of the purification device;
determine a recovery instruction and send the recovery instruction to the at least one user interaction device via the gas device object platform, the recovery instruction instructing a staff member to store gas in the pipeline to be recovered in the temporary storage tank group; and
in response to determining that a recovery completion instruction is obtained, send the purification parameter to the gas device object platform, wherein the gas device object platform is configured to generate a control instruction based on the purification parameter and send the control instruction to the purification device to control the purification device to operate according to the purification parameter.

2 . The gas recovery system of claim 1 , wherein the purification parameter is further related to a total gas volume within the gas storage tank group, and the government regulatory management platform is further configured to:
obtain a reference purification parameter, wherein the reference purification parameter is a pre-set parameter used to control the purification device to operate; determine at least one candidate purification parameter based on the reference purification parameter, wherein the at least one candidate purification parameter is a series of parameters to be determined as the purification parameter; determine, for each candidate purification parameter of the at least one candidate purification parameter, a purification effect based on the gas pollution value, the total gas volume, and the candidate purification parameter; and determine the purification parameter based on the purification effect of the at least one candidate purification parameter.

3 . The gas recovery system of claim 2 , wherein the government regulatory management platform is further configured to:
construct a database of frequent items, the database of frequent items being a database for storing frequent items and supports corresponding to the frequent items, the frequent items being a combination of parameter items whose support meets a preset requirement, wherein the combination of parameter items include a parameter item or a collection composed of a plurality of parameter items, and the parameter item includes one or a combination of any one of a gas flow rate, an internal pressure, an internal temperature, or a concentration of a scrubbing fluid; determine at least one adjustment term based on the database of frequent items, wherein the at least one adjustment term is a parameter item that needs to be adjusted; and determine the at least one candidate purification parameter based on the at least one adjustment term and the reference purification parameter.

Assignees

• Chengdu Qinchuan Iot Tech Co Ltd

Inventors

• Shao Zehua
• Zhou Junyan
• Liu Bin
• Zhang Lei

Classifications

• G16Y40/35

  Management of things, i.e. controlling in accordance with a policy or in order to achieve specified objectives · CPC title

• G06Q50/26

  Government or public services (business processes related to the transportation industry G06Q50/40) · CPC title

• B01D53/346

  Controlling the process · CPC title

• B01D53/74 Primary

  General processes for purification of waste gases; Apparatus or devices specially adapted therefor (B01D53/92 takes precedence) · CPC title

• B01D53/30 Primary

  Controlling by gas-analysis apparatus (regulating non electrical variables in general G05D) · CPC title