SU1049747A1 - Apparatus for measuring volume of liquid in sealed vessel - Google Patents

Abstract

I WILL SIT FOR MEASURING VOLUME OF LIQUID IN A TIGHTNESS l, --I - CALMATURE d bv fe; -one- ,; h.,; i. -v4. IJ I CAPACITIES containing two vessels known (N-o volume, partially filled with liquid, pipelines, valves, characterized in that, in order to simplify the construction, an excess pressure source of gas is introduced into it, and two vessels of a known volume are made V - with the upper part of the first, connected through a valve to the atmosphere, and the upper part of the second, through a valve with a nozzle for connection with the measured capacitance, the other two upper parts of the V-shaped vessels being connected to each other and through a valve to a source of excess gas pressure. (L 8 8g} 4 CO

Description

The invention relates to the measurement of volumes, in particular to devices for measuring the volume of liquid in sealed containers. ' The device can be used to control the volume of superfluid space in chemical, oil, food, pharmaceutical and other industries, as well as during research work.

A device for measuring the volume of liquid in a sealed container containing a measuring vessel, a working tank and a drain tank connected to a water seal with the connection of the super-fluid space of the measuring vessel and the measured tank 111 The disadvantage of this device is the complexity of design and operation.

The closest in technical essence and the achieved result to the invention is a device containing vessels known. volume of the pipe connected to the reference and measured by tanks pipelines with valves, while the ends of the pipelines connected to the mentioned vessels are made of transparent material and equipped with measuring scales, and the vessels themselves are connected to the supply line of the working fluid and to the lower end of the common pressure pipe, the upper the end of which is connected with the atmosphere (2).

The disadvantage of this device is the complexity of the design and operation, due to the need to drain and purge the device during repeated measurement.

The aim of the invention is to simplify the design of the device.

This goal is achieved by the fact that in the device for measuring the volume of liquid in a sealed container containing two vessels of known volume, partially filled with liquid, pipelines, valves, a source of excess gas pressure is introduced, and two vessels of known volume are made V-shaped with the upper part of the first, connected through a valve with the atmosphere, and the upper part of the second through a valve with a pipe for connection with the measured capacity, the two other upper parts of the V-shaped vessels are connected to each other and through the valve with a source of excess gas pressure.

The drawing shows a device for measuring the volume of liquid in a sealed container.

The device contains two partially filled with liquid V-shaped vessels of known volume, the first of which includes a comparative 1049747 1 nd vessel 1 connected to the displacement vessel 2, and the second - two communicated displacement vessels 3 and 4. Sealed container. 5, the volume of liquid in which is measured, is equipped with a pipe 6. A source of overpressure is connected through a valve B ^ to a pipe 7, which communicates the upper parts of vessels 2 and 3, a pipe 8 with valve B connects the upper part of the vessel 4 to the pipe 6 of the measured tank 5, and the upper part of the vessel 1 is in communication with the atmosphere through the valve B. The device operates as follows. Valve B _{1 is} opened with valve B 2 open and valve B j closed and pressurization vessels 2 and 3 are pressurized. The liquid enters the vessels I and 4, in which the pressure rises inversely to their volumes. Close B &,, count the levels in the vessels and calculate the volume of super-fluid space 5 by the formula ν-Δίί-ϋ ^X ' ^₽ 4- ^₽ _S p - B 1 to

i.

Where

VNIIIPI Order 8402/38 the volume of the vessel 1 to boost, m ³ ;

unknown volume, m ³ ;

- barometric pressure, 'Pa;

P ₄ — pressure in the measured capacity after boost, Pa; counts of fluid levels in vessels 1-4 after boost, m;

calibration coefficients of vessels 1-4, m ³ / division;

P is the fluid density of the device, kg / m ³ ;

y - acceleration of gravity, ms * 2.

After the metering closed ven45 Til V ₂ (V _L and V ₃ are closed), are detached from the device and the measured capacitance of the pressurization system. . Then open the valves B, B 2> V _e , while the device is set to atmospheric pressure. After closing the valves B ₁ , Bj, B _{3 the} device is ready for the next measurement.

Thus, the design of the measuring device and its operation are greatly simplified.

^v x Ρδ \ -4 ₄ ig-ig1 4

Circulation 643 Subscription

PPP ’’ Patent Branch, Uzhgorod, 4, Projectnzya St.

Claims (1)

DEVICE FOR MEASUREMENT I VOLUME OF LIQUID IN SEAL CAPACITIES, containing two vessels of known volume, partially filled with liquid, pipelines, valves, characterized in that, in order to simplify the design, a source of excess gas pressure is introduced into it, and two vessels of known volume are made V-shaped; with the upper part of the first connected through the valve with the atmosphere / and the upper part of the second through the valve with a pipe for connection with the measured capacity, the two other upper parts of the V-shaped vessels are interconnected and through the valve with a source of excess gas pressure.