CN216896840U - Natural gas conveying pipeline leakage detection system - Google Patents
Natural gas conveying pipeline leakage detection system Download PDFInfo
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- CN216896840U CN216896840U CN202123444229.9U CN202123444229U CN216896840U CN 216896840 U CN216896840 U CN 216896840U CN 202123444229 U CN202123444229 U CN 202123444229U CN 216896840 U CN216896840 U CN 216896840U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/30—Hydrogen technology
- Y02E60/34—Hydrogen distribution
Abstract
The utility model discloses a natural gas transmission pipeline gas leakage detection system, which relates to the technical field of natural gas transmission pipeline detection equipment and comprises the following components: the device comprises a main control device, a data processor, a data memory, an air leakage detection device and a display device; the gas leakage detection device comprises a peculiar smell sensor, a combustible gas sensor and an AD converter I; the odor sensor and the combustible gas sensor are respectively connected with the AD converter I; the AD converter I is connected with the data processor; the data processor, the data memory and the display device are respectively connected with the main control device; the peculiar smell sensor is used for carrying out peculiar smell detection on the outside of the natural gas conveying pipeline; the combustible gas sensor is used for detecting combustible gas outside the natural gas conveying pipeline.
Description
Technical Field
The utility model relates to the technical field of natural gas conveying pipeline detection equipment, in particular to a natural gas conveying pipeline air leakage detection system.
Background
The natural gas pipeline refers to a pipeline for conveying natural gas (including associated gas produced by an oil field) from a mining place or a processing plant to a city gas distribution center or an industrial enterprise user, and is also called a gas transmission pipeline. The natural gas pipeline is used for conveying natural gas, and the natural gas pipeline is a mode for conveying a large amount of natural gas on land. Natural gas pipelines account for about half of the total pipeline length in the world. At present, the detection of gas leakage of a natural gas transmission pipeline still needs to be performed regularly by natural gas equipment management personnel, and with continuous innovation of national science and technology, the utility model provides a gas leakage detection system for a natural gas transmission pipeline, which is used for overcoming the problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to overcome the defects of the prior art and provides a natural gas transmission pipeline air leakage detection system, which comprises: the device comprises a main control device, a data processor, a data memory, an air leakage detection device and a display device; the gas leakage detection device comprises a peculiar smell sensor, a combustible gas sensor and an AD converter I; the odor sensor and the combustible gas sensor are respectively connected with the AD converter I; the AD converter I is connected with the data processor; the data processor, the data memory and the display device are respectively connected with the main control device;
the peculiar smell sensor is used for carrying out peculiar smell detection on the outside of the natural gas conveying pipeline;
the combustible gas sensor is used for detecting combustible gas outside the natural gas conveying pipeline.
Through above-mentioned scheme, the peculiar smell sensor is used for carrying out the peculiar smell to the natural gas conveying pipeline outside and detects, and combustible gas sensor is used for carrying out combustible gas to the natural gas conveying pipeline outside and detects.
Preferably, the device also comprises a natural gas metering device; the natural gas metering device is connected with the data processor;
the natural gas metering device adopts a natural gas flowmeter, and the natural gas flowmeter is respectively arranged at two ends of a natural gas conveying pipeline.
Through above-mentioned scheme, natural gas metering device is used for measuring the natural gas in the natural gas conveying pipeline.
Preferably, the system also comprises a natural gas pipeline detection device; the natural gas pipeline detection device comprises a first temperature sensor and a second AD converter; the first temperature sensor is connected with the second AD converter; the AD converter II is connected with the data processor;
the first temperature sensor is used for detecting the temperature of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a first pressure sensor and a third AD converter; the first pressure sensor is connected with the third AD converter; the AD converter III is connected with the data processor;
the pressure sensor I is used for detecting the internal pressure of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second temperature sensor and a fourth AD converter; the second temperature sensor is connected with the fourth AD converter; the AD converter IV is connected with the data processor;
the temperature sensor II is used for detecting the temperature of the external environment of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second pressure sensor and a fifth AD converter; the second pressure sensor is connected with the fifth AD converter; the AD converter V is connected with the data processor;
and the second pressure sensor is used for detecting the external pressure of the natural gas conveying pipeline.
Through the scheme, the first temperature sensor is used for detecting the temperature of the natural gas conveying pipeline, the first pressure sensor is used for detecting the internal pressure of the natural gas conveying pipeline, the second temperature sensor is used for detecting the temperature of the external environment of the natural gas conveying pipeline, and the second pressure sensor is used for detecting the external pressure of the natural gas conveying pipeline.
Preferably, the natural gas pipeline detection device further comprises a vibration sensor and an AD converter six; the vibration sensor is connected with the AD converter VI; the AD converter six is connected with the data processor;
the vibration sensor is used for carrying out vibration detection on the natural gas conveying pipeline.
Through above-mentioned scheme, vibration sensor is used for carrying out vibration detection to natural gas transmission pipeline.
Preferably, the system also comprises a communication device and a management end; the management terminal is in communication connection with the communication device; the communication device is connected with the main control device.
Through the scheme, the natural gas pipeline parameters and the gas leakage condition detected by the sensor can be transmitted to the management end through the communication device.
Preferably, the device also comprises an alarm; the alarm is connected with the main control device.
Through the scheme, the alarm is used for alarming the abnormal parameters and the air leakage condition of the natural gas pipeline detected by the sensor.
Preferably, the device further comprises a blower device; the air blowing device comprises an air blower and an air blower driver; the blower is connected with the blower driver; the blower driver is connected with the main control device.
Through above-mentioned scheme, the air-blower is used for producing wind-force, and the air-blower driver is used for driving the air-blower.
Preferably, the data processor is an ARM microprocessor.
The utility model has the beneficial effects that:
(1) when the peculiar smell is detected to appear in the fixed connection of the natural gas pipeline, the peculiar smell parameters are transmitted to the management end through the communication device, the management end can send maintenance personnel to check the peculiar smell parameters in time conveniently, when the maintenance personnel arrive, the alarm gives an alarm to facilitate the maintenance personnel to find out the gas leakage area of the pipeline accurately, and meanwhile, the blower is driven by the blower driver to generate wind power to avoid the natural gas accumulation of the pipeline, so that safety accidents are easily caused, and gases such as hydrogen sulfide and the like have toxicity to influence the body health of the maintenance personnel; when the combustible gas outside the natural gas conveying pipeline is detected, the combustible gas parameters are transmitted to the management end through the communication device, the management end can send maintenance personnel to check the combustible gas parameters in time conveniently, when the maintenance personnel arrive, the alarm can give an alarm, the maintenance personnel can find the gas leakage area of the pipeline accurately conveniently, the maintenance can be carried out in time conveniently, and safety accidents are avoided;
(2) the natural gas metering device selects natural gas flow meters which are respectively arranged at two ends of the natural gas conveying pipeline, and managers can judge whether the natural gas leaks or not according to natural gas metering parameters at the two ends and send maintenance staff to a specified area for maintenance by combining detection results of the sensors;
(3) when the vibration that detects natural gas conveying pipeline surpassed the setting value, transmit vibration parameter to management end through communication device, make things convenient for the management end in time to send maintenance personal to look over, when maintenance personal arrived, report to the police through the alarm, make things convenient for maintenance personal to accurately find this department's pipeline position, look over what factor arouses natural gas conveying pipeline's vibration, avoided the vibration to lead to natural gas conveying pipeline junction to loosen, cause the natural gas to leak, lead to the emergence of incident.
Drawings
FIG. 1 is a schematic diagram of a gas leakage detection system for a natural gas transportation pipeline;
FIG. 2 is a schematic view of a gas leakage detecting device of a gas leakage detecting system for a natural gas pipeline;
fig. 3 is a schematic diagram of a natural gas pipeline detection device of a natural gas transmission pipeline air leakage detection system.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the detailed description and specific examples, while indicating the preferred embodiment of the utility model, are intended for purposes of illustration only and are not intended to limit the scope of the utility model. The components of embodiments of the present invention generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.
Thus, the following detailed description of the embodiments of the present invention, presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be derived by a person skilled in the art from the embodiments of the present invention without making any creative effort, shall fall within the protection scope of the present invention. It is noted that relational terms such as "first" and "second," and the like, may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions.
Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other like elements in a process, method, article, or apparatus that comprises the element.
The features and properties of the present invention are described in further detail below with reference to examples.
As shown in fig. 1 and 2, a natural gas transmission pipeline air leakage detection system includes: the device comprises a main control device, a data processor, a data memory, an air leakage detection device and a display device; the air leakage detection device comprises a peculiar smell sensor, a combustible gas sensor and an AD converter I; the odor sensor and the combustible gas sensor are respectively connected with the AD converter I; the AD converter I is connected with the data processor; the data processor, the data memory and the display device are respectively connected with the main control device;
the peculiar smell sensor is used for carrying out peculiar smell detection on the outside of the natural gas conveying pipeline;
the combustible gas sensor is used for detecting combustible gas outside the natural gas conveying pipeline.
Through above-mentioned scheme, the peculiar smell sensor is used for carrying out the peculiar smell to the natural gas conveying pipeline outside and detects, and combustible gas sensor is used for carrying out combustible gas to the natural gas conveying pipeline outside and detects.
In specific implementation, natural gas is colorless and odorless, in order to distinguish whether natural gas leaks or not, gases such as hydrogen sulfide and the like are generally injected into the natural gas, a plurality of odor sensors and combustible gas sensors are arranged and are respectively arranged at the fixed connection positions of all the pipelines of the natural gas pipeline according to the detection range parts of the sensors and used for detecting odor outside the natural gas pipeline, when the odor of the fixed connection positions of the natural gas pipeline is detected, odor parameters are transmitted to a management end through a communication device, the management end can conveniently send maintenance personnel to check the odor parameters in time, when the maintenance personnel arrive, an alarm is given out through the alarm, the maintenance personnel can conveniently and accurately find the gas leakage area of the pipeline, meanwhile, a blower is driven by a blower driver to generate wind power, the natural gas accumulation at the area is avoided, safety accidents are easily caused, and the gases such as hydrogen sulfide and the like have toxicity, the health of maintenance personnel is affected; when detecting that natural gas pipeline outside appears combustible gas, transmit combustible gas parameter to management end through communication device, make things convenient for the management end in time to send maintenance personal to look over, when maintenance personal arrived, report to the police through the alarm, make things convenient for maintenance personal to accurately find this pipeline gas leakage region to in time maintain, avoided the emergence of incident.
Preferably, the device also comprises a natural gas metering device; the natural gas metering device is connected with the data processor;
the natural gas metering device selects a natural gas flowmeter, and the natural gas flowmeter is respectively and partially arranged at two ends of a natural gas conveying pipeline.
Through above-mentioned scheme, natural gas metering device is used for measuring the natural gas in the natural gas pipeline.
When concrete implementation, natural gas flowmeter for use is established in natural gas pipeline both ends respectively to natural gas metering device, and whether the natural gas appears leaking can be judged according to the natural gas measurement parameter at both ends to the managers, combines the testing result of above-mentioned sensor, dispatches maintenance staff and goes to appointed region and maintains.
As shown in fig. 3, it is preferable that a natural gas pipeline detection device is further included; the natural gas pipeline detection device comprises a first temperature sensor and a second AD converter; the first temperature sensor is connected with the second AD converter; the AD converter II is connected with the data processor;
the first temperature sensor is used for detecting the temperature of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a first pressure sensor and a third AD converter; the first pressure sensor is connected with the third AD converter; the AD converter III is connected with the data processor;
the pressure sensor I is used for detecting the internal pressure of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second temperature sensor and a fourth AD converter; the second temperature sensor is connected with the fourth AD converter; the AD converter IV is connected with the data processor;
the temperature sensor II is used for detecting the temperature of the external environment of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second pressure sensor and a fifth AD converter; the second pressure sensor is connected with the fifth AD converter; the AD converter V is connected with the data processor;
and the second pressure sensor is used for detecting the external pressure of the natural gas conveying pipeline.
Through the scheme, the first temperature sensor is used for detecting the temperature of the natural gas conveying pipeline, the first pressure sensor is used for detecting the internal pressure of the natural gas conveying pipeline, the second temperature sensor is used for detecting the temperature of the external environment of the natural gas conveying pipeline, and the second pressure sensor is used for detecting the external pressure of the natural gas conveying pipeline.
When the temperature inside/outside the natural gas conveying pipeline is detected to be lower than or higher than a set value, the temperature parameter is transmitted to the management end through the communication device, the management end can send maintenance personnel to check conveniently in time, when the maintenance personnel arrive, the alarm is used for giving an alarm, the maintenance personnel can find the position of the pipeline conveniently and accurately, the checking of what factors influence the temperature inside/outside the natural gas conveying pipeline, and the influence of the temperature factors on the measurement of the natural gas is avoided; the natural gas transmission pipeline internal/external pressure factor can produce the influence to the measurement of natural gas, when detecting that natural gas transmission pipeline internal/external pressure surpasses the settlement scope, transmit pressure parameter to the management end through communication device, make things convenient for the management end in time to send the maintenance personal to look over, when the maintenance personal arrives, report to the police through the alarm, make things convenient for the maintenance personal accuracy to find this department's pipeline position, look over what factor influences natural gas transmission pipeline's internal/external pressure factor, the measurement of inside/outside pressure influence natural gas has been avoided.
Preferably, the natural gas pipeline detection device further comprises a vibration sensor and an AD converter; the vibration sensor is connected with the AD converter VI; the AD converter six is connected with the data processor;
the vibration sensor is used for carrying out vibration detection on the natural gas conveying pipeline.
Through above-mentioned scheme, vibration sensor is used for carrying out vibration detection to natural gas transmission pipeline.
When concrete implementation, vibration sensor sets up each position department at natural gas transmission pipeline, carry out vibration detection to natural gas transmission pipeline through vibration sensor, when the vibration that detects natural gas transmission pipeline surpassed the setting value, transmit vibration parameter to management end through communication device, make things convenient for the management end in time to send maintenance personal to look over, when maintenance personal arrived, report to the police through the alarm, make things convenient for maintenance personal to accurately find this department's pipeline position, look over what factor arouses natural gas transmission pipeline's vibration, it loosens to have avoided the vibration to lead to the natural gas transmission pipeline junction, cause natural gas leakage, lead to the emergence of incident.
Preferably, the system also comprises a communication device and a management end; the management end is in communication connection with the communication device; the communication device is connected with the main control device.
Through the scheme, the natural gas pipeline parameters and the gas leakage condition detected by the sensor can be transmitted to the management end through the communication device.
When concrete implementation, the natural gas pipeline parameter and the gas leakage condition that above-mentioned sensor detected can transmit to the management end through communication device, make things convenient for the management end in time to send maintenance personal to look over.
Preferably, the device also comprises an alarm; the alarm is connected with the main control device.
Through the scheme, the alarm is used for alarming the abnormal parameters and the air leakage condition of the natural gas pipeline detected by the sensor.
When concrete implementation, when detecting that the inside/outside temperature of natural gas transmission pipeline is less than or is higher than the setting value, transmit temperature parameter to management end through communication device, make things convenient for the management end in time to send maintenance personal to look over, when maintenance personal arrived, report to the police through the alarm, make things convenient for maintenance personal accuracy to find this pipeline position.
Preferably, the device further comprises a blower device; the air blowing device comprises an air blower and an air blower driver; the blower is connected with the blower driver; the blower driver is connected with the main control device.
Through above-mentioned scheme, the air-blower is used for producing wind-force, and the air-blower driver is used for driving the air-blower.
When concrete implementation, when detecting natural gas line fixed connection and appearing the peculiar smell, transmit the peculiar smell parameter to the management end through communication device, make things convenient for the management end in time to send maintenance personal to look over, when maintenance personal arrived, report to the police through the alarm, make things convenient for maintenance personal to accurately find this pipeline gas leakage region, produce wind-force through air blower driver drive air-blower simultaneously, avoid this natural gas to pile up, not only cause the incident easily, gas such as hydrogen sulfide has toxicity moreover, influence the maintenance personal healthy.
It is worth noting that: the main control device, the data processor, the data memory, the odor sensor, the combustible gas sensor, the AD converter I, the display device, the temperature sensor I, the AD converter II, the pressure sensor I, the AD converter III and the like are all common circuits or devices in the prior art, and the innovation of the scheme is not on a single circuit or device, but the aim of the utility model is realized by the cooperation of a plurality of circuits or devices.
The foregoing is illustrative of the preferred embodiments of this invention, and it is to be understood that the utility model is not limited to the precise form disclosed herein and that various other combinations, modifications, and environments may be resorted to, falling within the scope of the concept as disclosed herein, either as described above or as apparent to those skilled in the relevant art. And that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the utility model as defined by the appended claims.
Claims (8)
1. A natural gas transmission pipeline gas leakage detection system, comprising: the device comprises a main control device, a data processor, a data memory, an air leakage detection device and a display device; the gas leakage detection device comprises a peculiar smell sensor, a combustible gas sensor and an AD converter I; the odor sensor and the combustible gas sensor are respectively connected with the AD converter I; the AD converter I is connected with the data processor; the data processor, the data memory and the display device are respectively connected with the main control device;
the peculiar smell sensor is used for carrying out peculiar smell detection on the outside of the natural gas conveying pipeline;
the combustible gas sensor is used for detecting combustible gas outside the natural gas conveying pipeline.
2. The natural gas transmission pipeline gas leakage detection system according to claim 1, further comprising a natural gas metering device; the natural gas metering device is connected with the data processor;
the natural gas metering device selects a natural gas flowmeter, and the natural gas flowmeter is respectively and partially arranged at two ends of a natural gas conveying pipeline.
3. The natural gas transmission pipeline gas leakage detection system according to claim 1, further comprising a natural gas pipeline detection device; the natural gas pipeline detection device comprises a first temperature sensor and a second AD converter; the first temperature sensor is connected with the second AD converter; the AD converter II is connected with the data processor;
the first temperature sensor is used for detecting the temperature of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a first pressure sensor and a third AD converter; the first pressure sensor is connected with the third AD converter; the AD converter III is connected with the data processor;
the pressure sensor I is used for detecting the internal pressure of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second temperature sensor and a fourth AD converter; the second temperature sensor is connected with the fourth AD converter; the AD converter IV is connected with the data processor;
the temperature sensor II is used for detecting the temperature of the external environment of the natural gas conveying pipeline;
the natural gas pipeline detection device also comprises a second pressure sensor and a fifth AD converter; the second pressure sensor is connected with the fifth AD converter; the AD converter V is connected with the data processor;
and the second pressure sensor is used for detecting the external pressure of the natural gas conveying pipeline.
4. The natural gas conveying pipeline gas leakage detection system according to claim 3, wherein the natural gas pipeline detection device further comprises a vibration sensor and an AD converter; the vibration sensor is connected with the AD converter VI; the AD converter VI is connected with the data processor;
the vibration sensor is used for carrying out vibration detection on the natural gas conveying pipeline.
5. The natural gas transmission pipeline gas leakage detection system according to any one of claims 1 to 4, further comprising a communication device, a management end; the management end is in communication connection with the communication device; the communication device is connected with the main control device.
6. The natural gas transmission pipeline gas leakage detection system of claim 1, further comprising an alarm; the alarm is connected with the main control device.
7. The natural gas transmission pipeline gas leakage detection system according to claim 1, further comprising a blower device; the air blowing device comprises an air blower and an air blower driver; the blower is connected with the blower driver; the blower driver is connected with the main control device.
8. The gas transmission pipeline gas leakage detection system of claim 1, wherein the data processor is an ARM microprocessor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202123444229.9U CN216896840U (en) | 2021-12-30 | 2021-12-30 | Natural gas conveying pipeline leakage detection system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202123444229.9U CN216896840U (en) | 2021-12-30 | 2021-12-30 | Natural gas conveying pipeline leakage detection system |
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| CN216896840U true CN216896840U (en) | 2022-07-05 |
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| CN202123444229.9U Active CN216896840U (en) | 2021-12-30 | 2021-12-30 | Natural gas conveying pipeline leakage detection system |
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