GB637500A - Process of and apparatus for metering a liquefied gas - Google Patents
Process of and apparatus for metering a liquefied gasInfo
- Publication number
- GB637500A GB637500A GB18957/48A GB1895748A GB637500A GB 637500 A GB637500 A GB 637500A GB 18957/48 A GB18957/48 A GB 18957/48A GB 1895748 A GB1895748 A GB 1895748A GB 637500 A GB637500 A GB 637500A
- Authority
- GB
- United Kingdom
- Prior art keywords
- liquid
- container
- meter
- vapour
- valve
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
Links
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F15/00—Details of, or accessories for, apparatus of groups G01F1/00 - G01F13/00 insofar as such details or appliances are not adapted to particular types of such apparatus
- G01F15/18—Supports or connecting means for meters
Landscapes
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Separation By Low-Temperature Treatments (AREA)
Abstract
637,500. Liquid meters. LINDE AIR PRODUCTS CO. July 14, 1948, No. 18957. Convention date, Aug. 28, 1947. [Class 69 (i)] [Also in Group XXVI] A process for metering liquified gases of very low boiling points, such as nitrogen and oxygen, comprises the cooling of the meter 17 by the liquified gas or its vapour before commencing metering the liquid, and maintaining the pressure in the meter higher than its vapour pressure at the temperature of the source 11. The meter 17, which may be of the meshing-screw type described in Specification 584,460, may be mounted in the vapour of a receiver 14, in the liquid of a separate well, Fig. 2 (not shown), or in the vapour above the liquid 10 in the container 11. The pressure increase at the meter is either secured by using a pump 23, or pressurizing the supply in the container 11 by evaporating a portion in an external coil 30 and passing the vapour through a pipe 31 back to the container. The registering mechanism 18, of the meter is placed in a warm position outside the heat-insulating material 16. To transfer liquid from the container 11 to the receiver 14, valves 261, 21<SP>1</SP> and 29<SP>1</SP> are kept closed and valves 22<SP>1</SP>, 25<SP>1</SP> kept open so that when the pump 23 is started, liquid is circulated around and back to the container 10. Valve 26<SP>1</SP> is then opened, valve 251 closed and valves 271, 28<SP>1</SP> adjusted to proportion the discharge of liquid either into the gas space or into the liquid space of the receiver according to whether the pressure in 14 is to be increased, kept constant or decreased. Instead of using the pump 23, valve 22<SP>1</SP> may be closed, and, after pressurizing the container 11 by opening valve 29<SP>1</SP> and allowing liquid to flow through coil 30, valve 21<SP>1</SP> is opened to byepass the pump 23.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US637500XA | 1947-08-28 | 1947-08-28 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB637500A true GB637500A (en) | 1950-05-17 |
Family
ID=22051242
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB18957/48A Expired GB637500A (en) | 1947-08-28 | 1948-07-14 | Process of and apparatus for metering a liquefied gas |
Country Status (1)
Country | Link |
---|---|
GB (1) | GB637500A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1149032B (en) * | 1957-03-11 | 1963-05-22 | Union Carbide Corp | Device for transferring low-boiling liquefied gases from a transport container with lower pressure into a storage container with higher pressure |
-
1948
- 1948-07-14 GB GB18957/48A patent/GB637500A/en not_active Expired
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1149032B (en) * | 1957-03-11 | 1963-05-22 | Union Carbide Corp | Device for transferring low-boiling liquefied gases from a transport container with lower pressure into a storage container with higher pressure |
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