Device for measuring gas leakage in the valve, using the spark plug tubes

 

The invention relates to the field of pipeline transportation of natural gas. The volume of gas flowing through the valves on candle tube, is determined by measuring the speed of rotation of the tubes G-shaped, tightly installed into the spark plug tube in the plane perpendicular to the axis of the pipe through the nozzle which is the release of gas into the atmosphere. The device comprises a vertically located spark plug tube, the entrance to which is hermetically connected with the outlet shutoff valves and outlet provided with a protective cap, with holes for gas outlet to the atmosphere, characterized in that the output part of the body of the candle tube, in a plane perpendicular to the axis of the tube, tightly installed Z-shape rigidly connected soplovanii tubes G-shaped, having the ability to rotate around the axis of the spark plug tubes, and the internal volume soplovanii tubes form a single vasovasotomy tract associated with internal displacement spark plug tubes. The technical result of the invention is the provision of measuring the volume of natural gas leaks through a leak valve. 1 Il.

The invention relates to the field of power engineering and can is tanzih, posted by about the end consumers of natural gas, and other places, which provides for the release (reset) gas through the spark plug tube into the atmosphere.

A device for measuring leaks in the valve, using the spark plug tubes, comprising a device for measuring the volumetric flow rate of gas flowing through the fixture.

In different parts of the system provides the spark plug tubes, used for ventilation of enclosures of gas pipelines in the underground passages, emergency dumping gas on the linear part of the pipeline and flushing of equipment and pipelines compressor stations (SU 585362 A, class F 16 K 37/00, 25.12.1977).

The technical result of the invention is to provide a device that provides a measurement of the volume of natural gas leaks through a leak valve.

This is due to the fact that the exit gas from the spark plug tube into the atmosphere organize through the nozzle tightly installed in the exhaust pipe system Z-shape rigidly connected soplovanii tubes G-shaped. Measuring the speed of rotation of the system of tubes conducting the angular rate sensor.

The drawing shows a diagram of a device for measuring the volume of gas flowing through the valves on candle TRU is vertically located spark plug tube 1, the entrance to which is hermetically connected with the outlet shutoff valves and outlet provided with a protective cap 2 having holes 3 for gas outlet to the atmosphere. In the output part of the body of the candle tube mounted coaxially with her exhaust system of at least two Z-shape in the United soplovanii tubes 4 G-shaped, located in a plane perpendicular to the axis of the pipe can be rotated clockwise or counterclockwise, bearing 5, bearings 6 and the angular rate sensor.

The operation of the device is as follows. The gas flowing through the shut-off element, passes through the spark plug pipe 1 to the exit, where tightly installed tubes G-shaped. The accumulation of gas in the spark plug tube 1 there is an excessive pressure, resulting in the outflow of gas through Slovenia tube 4, there is reactive torque that causes rotation of the tube 4. When the gas exits through the holes 3 in the atmosphere. The speed soplovanii tubes is straightforward depending on the magnitude of leakage.

Volumetric flow rate of gas flowing Qgis calculated by the formula:where Qg- volume flow, m3/s; I - the moment of inertia of rotation https://img.russianpatents.com/chr/961.gif">g- gas density, kg/m3; R is the radius of the location of the axes of the nozzles of the tubes relative to the axis of the spark plug tubes, m

System soplovanii tubes 4 can rotate around the axis of the spark plug tubes, and the internal volume soplovanii tubes form a single vasovasotomy tract associated with internal displacement spark plug tubes.

Claims

Device for measuring gas leakage in the valve, using the spark plug tubes containing device for measuring the volumetric flow rate of gas flowing through the valves, characterized in that the vertically located spark plug tube, the entrance to which is hermetically connected with the outlet shutoff valves and outlet provided with a protective cap, with holes for gas outlet to the atmosphere at its output side, the plane perpendicular to the axis of the tube, tightly installed Z-shape rigidly connected soplovanii tubes G-shaped, having the ability to rotate around the axis of the spark plug tubes, moreover, the internal volume soplovanii tubes form a single vasovasotomy tract associated with internal displacement spark plug tubes and volumetric flow rate of gas flowingm2;
f is the cyclic frequency of rotation of the tubes, with-1;
g- gas density, kg/m3;
R is the radius of the location of the axes of the nozzles of the tubes relative to the axis of the spark plug tube, m

 

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