SU826976A3 - Device for detecting leakage in gas pipes - Google Patents

Device for detecting leakage in gas pipes Download PDF

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Publication number
SU826976A3
SU826976A3 SU742063245A SU2063245A SU826976A3 SU 826976 A3 SU826976 A3 SU 826976A3 SU 742063245 A SU742063245 A SU 742063245A SU 2063245 A SU2063245 A SU 2063245A SU 826976 A3 SU826976 A3 SU 826976A3
Authority
SU
USSR - Soviet Union
Prior art keywords
gas
gas pipes
chamber
detecting leakage
hole
Prior art date
Application number
SU742063245A
Other languages
Russian (ru)
Inventor
Сан Марсель
Original Assignee
Sud Ouest Ste Nationale Gaz
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from FR7333401A external-priority patent/FR2200976A5/fr
Application filed by Sud Ouest Ste Nationale Gaz filed Critical Sud Ouest Ste Nationale Gaz
Application granted granted Critical
Publication of SU826976A3 publication Critical patent/SU826976A3/en

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Description

Изобретение относится к испытаниям изделий на герметичность и может быть использовано для обнаружения утечек в газопроводах.The invention relates to leak testing of products and can be used to detect leaks in gas pipelines.

Известно устройство для обнаружения 5 утечек в газопроводах,содержащее термодатчики, которые устанавливаются в трубопроводах по направлению движения потока, и по их показаниям судят о герметичности изделия I* 1]. 10A device is known for detecting 5 leaks in gas pipelines, containing temperature sensors that are installed in the pipelines in the direction of flow, and judging by their testimony about the tightness of the product I * 1 ]. 10

Недостатком известного устройства является невысокая точность испытаний, связанная с большими погрешностями измерений температуры газа в газопроводе. 15A disadvantage of the known device is the low accuracy of the tests associated with large errors in measuring the temperature of the gas in the gas pipeline. fifteen

Цель изобретения — повышение точности испытаний.The purpose of the invention is improving the accuracy of the tests.

Поставленная цель достигается тем, что устройство снабжено теплоизолиро— .*0 ванной камерой, в которой размещен дат-” чик температуры и которая сообщается с газопроводом через отверстие, при этом диаметр отверстия выбирается из условия обеспечения равенства давлений в камере и газопроводе.This goal is achieved by the fact that the device is equipped with a heat-insulated -. * 0 bath chamber, in which a temperature sensor is placed and which communicates with the gas pipeline through the hole, and the diameter of the hole is selected from the condition of ensuring equal pressures in the chamber and gas pipeline.

На чертеже представлена схема предлагаемого устройства.The drawing shows a diagram of the proposed device.

Устройство содержит камеру 1, снабженную тепловой изоляцией 2, через отверстие 3 камера 1 сообщается с газопроводом (не показан). В камере 1 размещен датчик 4 температуры, окруженный чехлом 5.The device comprises a chamber 1 provided with thermal insulation 2, through the opening 3, the chamber 1 communicates with a gas pipeline (not shown). A temperature sensor 4 is placed in the chamber 1, surrounded by a cover 5.

Устройство работает следующим образом.The device operates as follows.

При наличии в газопроводе утечки давление’ в нем падает. Через отверстие 3 падение давления распространяется в ко- , меру 1. Теплоизоляция 2 обусловливает адиабатический процесс расширения газа, сопровождающийся падением температуры, которое фиксируется датчикомIf there is a leak in the gas pipeline, the pressure ’in it drops. Through hole 3, the pressure drop propagates to co-, measure 1. Thermal insulation 2 causes an adiabatic process of gas expansion, accompanied by a drop in temperature, which is recorded by the sensor

4. О величине утечки судят по изменению во время температуры.4. The magnitude of the leak is judged by the change during temperature.

Устройство, позволяет достигнуть высокой точности испытаний газопроводов на гермети'чность.The device allows to achieve high accuracy testing of gas pipelines for tightness.

. 82697 6. 82,697 6

Claims (1)

Формула изобретенияClaim Устройство для обнаружения утечек в газопроводах, содержащее датчик температуры, отличающееся тем, что , с целью повышения точности испытаний, оно снабжено теплоизолированной камерой, в которой размещен датчик температуры и которая сообщается с газопро*· водом через отверстие, при этом диаметр отверстия выбирается из условия обеспечения равенства давлений в камере и газопроводе.A device for detecting leaks in gas pipelines containing a temperature sensor, characterized in that, in order to improve the accuracy of the tests, it is equipped with a thermally insulated chamber in which the temperature sensor is located and which communicates with the gas pipe * · through the hole, the diameter of the hole being selected from the condition ensuring equal pressures in the chamber and gas pipeline.
SU742063245A 1973-09-18 1974-09-17 Device for detecting leakage in gas pipes SU826976A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7333401A FR2200976A5 (en) 1972-09-22 1973-09-18

Publications (1)

Publication Number Publication Date
SU826976A3 true SU826976A3 (en) 1981-04-30

Family

ID=9125183

Family Applications (1)

Application Number Title Priority Date Filing Date
SU742063245A SU826976A3 (en) 1973-09-18 1974-09-17 Device for detecting leakage in gas pipes

Country Status (1)

Country Link
SU (1) SU826976A3 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230112995A1 (en) * 2020-01-28 2023-04-13 Ateq Leak Detection Device

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20230112995A1 (en) * 2020-01-28 2023-04-13 Ateq Leak Detection Device
US11808665B2 (en) * 2020-01-28 2023-11-07 Ateq Leak detection device

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