JP2011161427A - Gas liquid separator - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To let liquid flowing through the lower part of an inlet flow into a liquid pathway by means of a simple structure. <P>SOLUTION: A double cylindrical partitioning wall member 10 is arranged in a casing 1, 2, a revolving blade 12 is arranged between an inside cylinder 10a and an outside cylinder 10b of the partitioning wall member 10, the upper part of the revolving blade 12 is connected to an inlet 4, and the inner side of the inside cylinder 10a of the partitioning wall member 10 is connected to an outlet 5. A liquid storage chamber 15 partitioned by a revolving chamber 14 and a partition member 17 is formed below the partitioning wall member 10. An upper liquid-passing space 13a is formed between the outside cylinder 10b of the partitioning wall member 10 and the casing 1, 2, and the upper part of an upper liquid-passing space 13a is connected to the inlet 4. A protrusion 10c protruding upper than the lower end of the inlet 4 is formed at the upper end of the outside cylinder 10b of the partitioning wall member 10. A coil spring 19 the upper end of which is fixed to the lower end of the outside cylinder 10b of the partitioning wall member 10 and the lower end of which is fixed to the outer circumferential part of the partition member 17 is provided, and a lower liquid-passing space 13b is formed between the outside of the coil spring 19 and the inside of the casing 1, 6. <P>COPYRIGHT: (C)2011,JPO&INPIT

Description

The present invention relates to a gas-liquid separator that separates liquids such as condensate and condensed water mixed in gas such as steam, compressed air, and various gases by centrifugal force by causing a swirling flow in a casing.

A conventional gas-liquid separator is disclosed in Patent Document 1, for example. This is because a double substantially cylindrical partition member is disposed in the casing, a swirl vane is disposed between the inner cylinder and the outer cylinder of the partition member, the upper part of the swirl blade is connected to the inlet, and the inner side of the partition member The upper part is connected to the outlet through the exhaust hole inside the cylinder, the swirl chamber is formed below the partition member and the liquid reservoir is formed below the swirl chamber, and the lower part of the liquid reservoir is connected to the drain port, A partition member is arranged between the swirl chamber and the liquid reservoir chamber, and a bypass pipe serving as a liquid passage communicating with the lower portion of the inlet and the liquid reservoir chamber below the partition member is connected to the outside of the casing. It is.

JP-A-2005-864

The above conventional gas-liquid separator allows the gas-liquid to flow directly through the bypass pipe as a liquid passage to the liquid storage chamber even when the amount of liquid flowing into the inlet is large. The separation efficiency can be increased. However, it is troublesome because a bypass pipe as a liquid passage has to be piped outside the casing, and it is difficult to ensure that the liquid flowing through the lower part of the inlet flows into the bypass pipe. There was a problem that could not be raised.

Therefore, the problem to be solved by the present invention is to provide a gas-liquid separator capable of reliably flowing the liquid flowing in the lower portion of the inlet into the liquid passage with a simple structure.

In order to solve the above problems, the gas-liquid separator of the present invention has a double substantially cylindrical partition member disposed in a casing, and swirl vanes disposed between an inner cylinder and an outer cylinder of the partition member. The upper part of the swirl vane is connected to the inlet, the upper part is connected to the outlet through the exhaust hole inside the inner cylinder of the partition member, and a swirl chamber is formed below the partition member and a liquid reservoir chamber is formed below the swirl chamber. The lower part of the liquid storage chamber is connected to the drainage port, and a partition member is disposed between the swirl chamber and the liquid storage chamber, and a liquid passage is formed between the outer side of the outer cylinder of the partition wall member and the inner side of the casing. An upper liquid passage space is formed, the upper portion of the liquid passage space is connected to the inlet, a protrusion protruding above the lower end of the inlet is formed at the upper end of the outer cylinder of the partition member, and the upper end of the outer cylinder of the partition member is formed. A coil spring fixed to the lower end and fixed to the outer periphery of the partition member Only, it is characterized in that the formation of the lower liquid passage space communicating from the upper liquid passing space between the inside of the outer and the casing of the coil spring.

According to the present invention, the upper liquid passage space as a liquid passage is formed between the outer side of the outer cylinder of the partition member and the inner side of the casing, the upper part of the liquid passage space is connected to the inlet, and the outer cylinder of the partition member is A protrusion is formed at the upper end that protrudes above the lower end of the inlet, and a coil spring is provided with the upper end fixed to the lower end of the outer cylinder of the partition wall member and the lower end fixed to the outer periphery of the partition member. By forming the lower liquid passage space communicating with the upper liquid passage space between the upper and lower liquid passage spaces, the upper and lower liquid passage spaces as the liquid passages can be formed inside the casing, and a simple structure can be obtained. The liquid flowing through the lower portion of the liquid can surely flow into the upper and lower liquid passage spaces as the liquid passage, and the liquid flowing down into the liquid storage chamber through the upper and lower liquid passage spaces is gas. Both an excellent effect of being able to prevent the carried away to the outlet. In addition, a large-volume liquid or foreign matter swirled by swirling blades and swung out by the action of centrifugal force and separated from the gas can flow into the lower liquid passage space when flowing down along the coil spring, It has an excellent effect that it can be prevented from being caught in the gas flow again and carried to the outlet together with the gas.

It is sectional drawing of the steam-water separator concerning embodiment of this invention.

Hereinafter, an embodiment of the present invention will be described with reference to FIG. The casing is formed by joining the cylindrical main body 1 and the entrance / exit member 2 with a clamp joint 3 and attaching a bottom lid 6 to the lower portion of the main body 1 by welding. The inlet / outlet member 2 is provided with an inlet 4 and an outlet 5 that extend horizontally on the left and right coaxial lines, and a plug hole 7 at the center of the upper end. The bottom lid 6 is provided with a drainage port 8 at the center of the lower end. The male screw member 16 having the communication port 9 opened in the doorway member 2 is screwed. The partition member 10 is fixed to the entrance / exit member 2 by sandwiching an inward flange at the upper end of the inner cylinder 10 a of the double substantially cylindrical partition member 10 between the entrance / exit member 2 and the male screw member 16. The inner cylinder 10a of the partition member 10 has upper and lower ends that are widened toward the end. A protrusion 10 c is formed at the upper end of the outer cylinder 10 b of the partition wall member 10 so as to protrude above the lower end of the inlet 4. A swirl vane 12 is formed integrally with the partition member 10 between the inner cylinder 10 a and the outer cylinder 10 b of the partition member 10.

The upper part of the swirl vane 12 is connected to the inlet 4, and the upper part thereof is connected to the outlet 5 through the communication port 9 of the male screw member 16 from the exhaust hole 11 inside the inner cylinder 10 a of the partition member 10. An upper liquid passage space 13 a as a liquid passage is formed between the outside of the outer cylinder 10 b of the partition member 10, the inside of the lower portion of the entrance / exit member 2, and the inside of the main body 1. A swirl chamber 14 is formed below the partition member 10, a liquid reservoir chamber 15 partitioned by a partition member 17 is formed below the swirl chamber 14, and the lower end of the liquid reservoir 15 is connected to the drain port 8. The partition member 17 has a disk shape and forms a liquid passage gap 18 between the outer periphery and the main body 1. A coil spring 19 having an upper end fixed to the lower end of the outer cylinder 10 b of the partition wall member 10 and a lower end fixed to the outer periphery of the partition member 17 is provided, and is provided outside the coil spring 19 and inside the main body 1, outside the coil spring 19 and above the bottom lid 6. A lower liquid passage space 13b that communicates with the inner side from the upper liquid passage space 13a is formed. The upper part of the upper liquid passage space 13 a is connected to the inlet 4, and the lower end of the lower liquid passage space 13 b is connected to the liquid passage gap 18 of the partition member 17.

A long cylindrical hollow filter 22 is disposed inside the swirl chamber 14 and the inner cylinder 10 a of the partition member 10. The filter 22 is closed by fixing the upper end to the male screw member 16 by welding and fixing the plug 23 to the lower end by welding. The filter 22 has a large number of fine through holes, and filters out foreign matters such as rust flowing down from the inlet 4 together with the fluid to discharge only the fluid to the outlet 5 side. The particle size of the filter 22 is preferably about 2 to 10 microns. About half of the total length of the filter 22 is located in the partition member 10, and the other half is located in the swirl chamber 14.

The operation of the above embodiment will be described. Foreign matters such as liquid and rust flowing under the inlet 4 are guided by the projections 10c of the partition wall member 10 and flow into the liquid reservoir chamber 15 from the upper liquid passage space 13a to the lower liquid passage space 13b, and from the drain port 8 to the outside of the system. To be discharged. A gas containing liquid or rust and other foreign substances flowing in the middle or upper part of the inlet 4 is swirled by swirl vanes 12 when flowing between the inner cylinder 10a and the outer cylinder 10b of the partition wall member 10. A liquid or foreign matter having a large mass is swung out and separated by the action of centrifugal force, and flows into the liquid reservoir chamber 15 from the lower liquid passage space 13b when flowing down along the coil spring 19, and from the drain port 8 to the system. Discharged outside. Droplets and foreign matters having a small mass contained in the swirling flow are filtered and separated when passing through the filter 22, flow down along the outer periphery of the filter 22, flow into the lower liquid storage chamber 15, and are discharged from the drainage port. 8 is discharged out of the system. The gas that has passed to the inside of the filter 22 flows out from the outlet 5 through the communication port 9.

INDUSTRIAL APPLICATION This invention can be utilized for the gas-liquid separator which raise | generates the swirl | vortex flow in a casing and isolate | separates it by centrifugal force in the gas.

DESCRIPTION OF SYMBOLS 1 Main body 2 Inlet / outlet member 4 Inlet 5 Outlet 6 Bottom cover 8 Drainage port 10 Partition member 10a Inner cylinder 10b Outer cylinder 10c Projection 11 Exhaust hole 12 Swirling blade 13a Upper liquid passage space 13b Lower liquid passage space 14 Swirling chamber 15 Reservoir chamber 17 Partition member 19 Coil spring 22 Filter

Claims (1)

A double substantially cylindrical partition member is disposed in the casing, a swirl vane is disposed between the inner cylinder and the outer cylinder of the partition member, the upper part of the swirl blade is connected to the inlet, and the inner side of the inner cylinder of the partition member The upper part of the liquid storage chamber is connected to the outlet through the exhaust hole, a swirling chamber is formed below the partition wall member, a liquid reservoir chamber is formed below the swirl chamber, and a lower portion of the liquid reservoir chamber is connected to the drainage port. An upper liquid passage space as a liquid passage is formed between the outer side of the outer cylinder of the partition wall member and the inner side of the casing, and the upper part of the liquid passage space is connected to the inlet in a partition member disposed between the liquid reservoirs. A protrusion that protrudes above the lower end of the inlet is formed at the upper end of the outer cylinder of the partition member, and a coil spring is provided in which the upper end is fixed to the lower end of the outer cylinder of the partition member and the lower end is fixed to the outer periphery of the partition member; Up between the outside of the coil spring and the inside of the casing Gas-liquid separator, characterized in that the formation of the lower liquid passage space communicating from the liquid passing space.

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