CN112944221A - Risk prevention method and system based on natural gas full-period energy - Google Patents
Risk prevention method and system based on natural gas full-period energy Download PDFInfo
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- CN112944221A CN112944221A CN202110155168.XA CN202110155168A CN112944221A CN 112944221 A CN112944221 A CN 112944221A CN 202110155168 A CN202110155168 A CN 202110155168A CN 112944221 A CN112944221 A CN 112944221A
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D5/00—Protection or supervision of installations
- F17D5/02—Preventing, monitoring, or locating loss
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- G—PHYSICS
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- 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
- G01N33/22—Fuels, explosives
- G01N33/225—Gaseous fuels, e.g. natural gas
Abstract
The invention discloses a risk prevention method and a risk prevention system based on natural gas full-cycle energy, wherein the method comprises the following steps: acquiring the total natural gas energy consumption of users in a gas utilization area in real time and a first natural gas energy value transmitted to the gas utilization area by a natural gas company; if the first natural gas energy value is larger than the total natural gas energy consumption amount, alarming; otherwise, executing the next step; acquiring the total natural gas volume consumption of users in the gas utilization area in real time, and converting the total natural gas volume consumption into a second natural gas energy value; and if the first natural gas energy value is larger than the second natural gas energy value, alarming. The invention aims to provide a risk prevention method and a risk prevention system based on natural gas full-period energy, wherein the natural gas energy and volume are monitored in real time, and the gas leakage phenomenon is captured, so that potential safety hazards are reduced.
Description
Technical Field
The invention relates to the technical field of natural gas, in particular to a risk prevention method and system based on natural gas full-period energy.
Background
China's natural gas is entering a new period of diversified and internationalized resource supply, continuously deepened systematic reform and marketized development of natural gas price and natural gas trading, and China is being reformed from a traditional natural gas volume metering pricing mode into natural gas energy metering pricing in order to reflect the economic value of commodity natural gas, promote fair market competition and protect the vital interests of supply and demand parties.
The natural gas is the mist, except that combustible gas, still has multiple foreign gas, when adopting the natural gas energy measurement pricing mode, if there is a small amount of gas leakage, because contain foreign gas in the natural gas, a small amount of gas leakage can not lead to too big metering error to lead to the gas leakage phenomenon to be difficult for being perceived by the staff, nevertheless because the existence of gas leakage, cause the potential safety hazard easily.
The application numbers are: the invention patent of CN201811194439.7 discloses a natural gas pipeline air leakage detection method, which comprises the following steps:
(1) evaluating the easy-to-leak part of the natural gas pipeline in the later operation;
(2) installing a gas leakage detection device on the easy leakage part;
(3) if the air leakage is detected by the air leakage detection device, maintaining the air leakage position; if no air leakage is detected, the difference between the initial amount of the introduced natural gas and the outlet amount of the natural gas is calculated, if the difference is 0, the leakage detection is not needed, and if the difference is larger than 0, the air leakage device is set up again, and other parts are selected for detection.
Although the method in the patent document can detect the air leakage part, the detection process is troublesome, firstly, the detection device is arranged at the easy leakage part to detect the easy leakage part, and if the easy leakage part is not air leakage, other parts need to be reselected to build the air leakage device for detection, so that the detection period is prolonged.
Disclosure of Invention
The invention aims to provide a risk prevention method and a risk prevention system based on natural gas full-period energy, wherein the natural gas energy and volume are monitored in real time, and the gas leakage phenomenon is captured, so that potential safety hazards are reduced.
The invention is realized by the following technical scheme:
the risk prevention method based on the natural gas full-cycle energy comprises the following steps:
s1: acquiring the total natural gas energy consumption of users in a gas utilization area in real time and a first natural gas energy value transmitted to the gas utilization area by a natural gas company;
s2: if the first natural gas energy value is larger than the total natural gas energy consumption amount, alarming; otherwise, go to S3;
s3: acquiring the total natural gas volume consumption of users in the gas utilization area in real time, and converting the total natural gas volume consumption into a second natural gas energy value;
s4: and if the first natural gas energy value is larger than the second natural gas energy value, alarming.
Preferably, the S1 includes the following substeps:
s11: acquiring the natural gas energy consumption of each user in the gas utilization area;
s12: and acquiring the total natural gas energy consumption amount in the gas consumption area according to the natural gas energy consumption amount of each user in the gas consumption area.
Preferably, the S3 includes the following substeps:
s31: acquiring the volume consumption of the natural gas of each user in the gas utilization area;
s32: acquiring the total volume consumption of the natural gas in the gas consumption area according to the volume consumption of the natural gas of each user in the gas consumption area;
s33: converting the total volumetric consumption of natural gas to the second natural gas energy value.
The risk prevention system based on the natural gas full-period energy comprises a perception control platform, a sensing network platform and a management platform which are sequentially interacted;
the perception control platform is used for collecting the total natural gas energy consumption amount, the total natural gas volume consumption amount and a first natural gas energy value transmitted to the gas utilization area by a natural gas company of a user of the gas utilization area;
the sensing network platform is used for transmitting the total natural gas energy consumption amount, the total natural gas volume consumption amount and the first natural gas energy value to the management platform;
and the management platform is used for judging whether to alarm or not according to the size relationship among the total natural gas energy consumption, the total natural gas volume consumption and the first natural gas energy value.
Preferably, the sensing control platform comprises a plurality of energy metering units and a plurality of volume metering units, and one energy metering unit and one volume metering unit are arranged at any user of the gas utilization area and used for acquiring the natural gas energy consumption and the natural gas volume consumption of the user and transmitting the natural gas energy consumption and the natural gas volume consumption to the management platform through the sensing network platform.
Preferably, the management platform comprises a calculation module, a judgment module, a conversion module and an alarm module;
the calculation module is used for acquiring the total natural gas energy consumption amount of the gas utilization area according to the plurality of natural gas energy consumption amounts of the gas utilization area; the natural gas volume consumption amount of the gas utilization area is obtained according to a plurality of natural gas volume consumption amounts of the gas utilization area;
the conversion module is used for converting the total volume consumption of the natural gas into a second natural gas energy value;
the judging module is used for judging the magnitude of the first natural gas energy value and the total natural gas energy consumption, and the magnitude of the first natural gas energy value and the second natural gas energy value;
the alarm module is used for performing alarm operation when the first natural gas energy value is larger than the total natural gas energy consumption amount or the first natural gas energy value is larger than the second natural gas energy value.
Compared with the prior art, the invention has the following advantages and beneficial effects:
through the real-time monitoring to natural gas energy and volume, catch the gas leakage phenomenon, reduce the potential safety hazard.
Drawings
The accompanying drawings, which are included to provide a further understanding of the embodiments of the invention and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the invention and together with the description serve to explain the principles of the invention. In the drawings:
FIG. 1 is a schematic view of the structure of the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is further described in detail below with reference to examples and accompanying drawings, and the exemplary embodiments and descriptions thereof are only used for explaining the present invention and are not meant to limit the present invention.
Examples
The risk prevention method based on the natural gas full-cycle energy is shown in fig. 1 and comprises the following steps:
s1: acquiring the total natural gas energy consumption of users in a gas utilization area in real time and a first natural gas energy value transmitted to the gas utilization area by a natural gas company;
the method comprises the following steps of obtaining the total energy consumption of the natural gas:
firstly, acquiring the natural gas energy consumption of each gas user in a certain time period in the gas utilization area;
and then, the sum of the natural gas energy consumption of all the gas utilization users in the gas utilization area in the time period is obtained, so that the total natural gas energy consumption in the gas utilization area in the time period is obtained.
In this embodiment, the first amount of natural gas energy transferred to the gas usage area during the time period is obtained from a natural gas company.
S2: if the first natural gas energy value is larger than the total natural gas energy consumption amount, alarming; otherwise, go to S3;
s3: acquiring the total natural gas volume consumption amount of a user in the gas utilization area in real time, and converting the total natural gas volume consumption amount into a second natural gas energy value;
specifically, the method comprises the following steps:
firstly, acquiring the natural gas volume consumption of each gas consuming user in the gas consuming area in the time period of step S1;
secondly, the sum of the natural gas volume consumption of all the gas users in the gas using area in the time period is obtained, so that the total natural gas volume consumption in the gas using area in the time period is obtained;
and thirdly, converting the total volume consumption of the natural gas into a second natural gas energy value.
S4: and if the first natural gas energy value is larger than the second natural gas energy value, alarming.
When energy metering is adopted, if the air leakage phenomenon does not exist, the energy of the natural gas provided by a natural gas company to the gas utilization area in the gas utilization time period is equal to the energy of the gas used by a user in the time period. If the values are not equal, the air leakage phenomenon is indicated, so that an alarm is given in time to remind workers to process in time, and potential safety hazards are avoided. In addition, considering that the natural gas is mixed gas, besides combustible gas, various impurity gases exist, and if a small amount of gas is leaked in the natural gas energy metering pricing mode, the natural gas contains the impurity gases, and the small amount of gas leakage cannot cause too large metering error, so that the gas leakage phenomenon is not easy to be perceived by workers, but the gas leakage phenomenon does exist and cannot be processed in time, and potential safety hazards are easily caused.
Based on this, in the present application, the following solutions are proposed for two air leakage phenomena:
(1) aiming at a large gas leakage phenomenon (namely, the input natural gas energy is obviously unbalanced with the actually consumed natural gas energy), whether gas leakage exists or not is judged by monitoring a first natural gas energy value transmitted to a gas using area by a natural gas company in a gas using stage and the total natural gas energy consumption amount of a user in the gas using stage;
(2) aiming at the phenomenon of small gas leakage (namely, the input natural gas energy is balanced or approximately balanced with the actually consumed natural gas energy), the first natural gas energy value transmitted to a gas using area by a natural gas company in a gas using stage and the actually consumed natural gas volume of a user in the gas using stage are monitored, the natural gas volume is converted into a second natural gas energy value, and whether gas leakage exists or not is judged according to the first natural gas energy value and the second natural gas energy value.
Because big gas leakage phenomenon can be very easy to judge through the mode of energy measurement, consequently, when concrete implementation, at first judge big gas leakage phenomenon, if do not exist, judge little gas leakage mode to guarantee the security of use, and to the precaution to gas leakage phenomenon.
The risk prevention system based on the natural gas full-period energy comprises a perception control platform, a sensing network platform and a management platform which are sequentially interacted;
the system comprises a perception control platform, a data acquisition and processing platform and a data processing platform, wherein the perception control platform is used for acquiring the total natural gas energy consumption amount, the total natural gas volume consumption amount and a first natural gas energy value transmitted to a gas using area by a natural gas company of a user in the gas using area;
the sensing network platform is used for transmitting the total natural gas energy consumption amount, the total natural gas volume consumption amount and the first natural gas energy value to the management platform;
and the management platform is used for judging whether to alarm or not according to the size relation among the total natural gas energy consumption, the total natural gas volume consumption and the first natural gas energy value.
Specifically, the perception control platform comprises a plurality of energy metering units and a plurality of individual volume metering units, wherein an energy metering unit and a volume metering unit are arranged at any user position of a gas utilization area, the energy metering unit is used for obtaining natural gas energy consumption of the user, and the volume metering unit is used for obtaining natural gas volume consumption of the user and transmitting the natural gas energy consumption and the natural gas volume consumption to the management platform through the sensing network platform.
The management platform comprises a calculation module, a judgment module, a conversion module and an alarm module;
the calculation module is used for acquiring the total natural gas energy consumption amount of the gas utilization area according to the plurality of natural gas energy consumption amounts of the gas utilization area; the system is also used for acquiring the volume consumption of the natural gas in the gas utilization area according to the plurality of volume consumption of the natural gas in the gas utilization area;
the conversion module is used for converting the total volume consumption of the natural gas into a second natural gas energy value;
the judging module is used for judging the size of the first natural gas energy value and the total natural gas energy consumption, and the size of the first natural gas energy value and the second natural gas energy value;
and the alarm module is used for carrying out alarm operation when the first natural gas energy value is greater than the total natural gas energy consumption amount or the first natural gas energy value is greater than the second natural gas energy value.
The above-mentioned embodiments are intended to illustrate the objects, technical solutions and advantages of the present invention in further detail, and it should be understood that the above-mentioned embodiments are merely exemplary embodiments of the present invention, and are not intended to limit the scope of the present invention, and any modifications, equivalent substitutions, improvements and the like made within the spirit and principle of the present invention should be included in the scope of the present invention.
Claims (6)
1. The risk prevention method based on the natural gas full-period energy is characterized by comprising the following steps of:
s1: acquiring the total natural gas energy consumption of users in a gas utilization area in real time and a first natural gas energy value transmitted to the gas utilization area by a natural gas company;
s2: if the first natural gas energy value is larger than the total natural gas energy consumption amount, alarming; otherwise, go to S3;
s3: acquiring the total natural gas volume consumption of users in the gas utilization area in real time, and converting the total natural gas volume consumption into a second natural gas energy value;
s4: and if the first natural gas energy value is larger than the second natural gas energy value, alarming.
2. The risk prevention method based on full cycle energy of natural gas as claimed in claim 1, wherein the S1 comprises the following sub-steps:
s11: acquiring the natural gas energy consumption of each user in the gas utilization area;
s12: and acquiring the total natural gas energy consumption amount in the gas consumption area according to the natural gas energy consumption amount of each user in the gas consumption area.
3. The risk prevention method based on full cycle energy of natural gas as claimed in claim 1, wherein the S3 comprises the following sub-steps:
s31: acquiring the volume consumption of the natural gas of each user in the gas utilization area;
s32: acquiring the total volume consumption of the natural gas in the gas consumption area according to the volume consumption of the natural gas of each user in the gas consumption area;
s33: converting the total volumetric consumption of natural gas to the second natural gas energy value.
4. The risk prevention system based on the natural gas full-period energy is characterized by comprising a perception control platform, a sensing network platform and a management platform which are sequentially interacted;
the perception control platform is used for collecting the total natural gas energy consumption amount, the total natural gas volume consumption amount and a first natural gas energy value transmitted to the gas utilization area by a natural gas company of a user of the gas utilization area;
the sensing network platform is used for transmitting the total natural gas energy consumption amount, the total natural gas volume consumption amount and the first natural gas energy value to the management platform;
and the management platform is used for judging whether to alarm or not according to the size relationship among the total natural gas energy consumption, the total natural gas volume consumption and the first natural gas energy value.
5. The risk prevention system based on the natural gas full-cycle energy according to claim 4, wherein the sensing control platform comprises a plurality of energy metering units and a plurality of individual volume metering units, and one energy metering unit and one volume metering unit are arranged at any user of the gas utilization area and used for acquiring the natural gas energy consumption and the natural gas volume consumption of the user and transmitting the natural gas energy consumption and the natural gas volume consumption to the management platform through the sensing network platform.
6. The risk prevention system based on natural gas full cycle energy of claim 5, wherein the management platform comprises a calculation module, a judgment module, a conversion module and an alarm module;
the calculation module is used for acquiring the total natural gas energy consumption amount of the gas utilization area according to the plurality of natural gas energy consumption amounts of the gas utilization area; the natural gas volume consumption amount of the gas utilization area is obtained according to a plurality of natural gas volume consumption amounts of the gas utilization area;
the conversion module is used for converting the total volume consumption of the natural gas into a second natural gas energy value;
the judging module is used for judging the magnitude of the first natural gas energy value and the total natural gas energy consumption, and the magnitude of the first natural gas energy value and the second natural gas energy value;
the alarm module is used for performing alarm operation when the first natural gas energy value is larger than the total natural gas energy consumption amount or the first natural gas energy value is larger than the second natural gas energy value.
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| US17/649,336 US20220214203A1 (en) | 2021-02-04 | 2022-01-28 | Method and system of risk prevention based on energy of natural gas in a full cycle |
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