DE1805908A1 - Control system for a discharge device for gasified carbonic acid liquid gas - Google Patents

Description

DR. INO. ERN8T MAIER

PAT «NTAM WA LT

8 MUNICH 22

a ™ - ,, ²⁹ ' ^0Kt - 1968

A 342 68

YUTAKA SAiIGYO ICABUSHIKI KAISIiA

No. 14-19, Nishikamata 1-chome, Ota-ku

Tokyo / Japan ™

Control system for an outflow device for gasified Carbon dioxide liquid gas

The invention relates to a control system for an outflow device for gasified carbonic acid liquefied gas and, in particular, an outflow device that controls the pressure of the carbonic acid gas in the system regulates, which is supplied from a carbon dioxide liquid gas container.

A gas discharge device of this type, as it has been generally used heretofore, has for the channel for the vaporized Carbon dioxide liquid gas has a small diameter and a small space to reduce the gas pressure, so that it is easy can be clogged by solidified gas in the form of dry ice, yes the l '.' eg cooled from the liquid during gasification is, whereby the passage is impaired and the gas pressure and the amount of flowing <"aees are reduced uml furthermore the scheme becomes uncontrollable if a

909851/1137

»Ο **» «*« Mm *. Fin * I Co.>*> ικ »ι · κ. No. 25M-I fanUtain H AvfMuoi. ΜΛ «*. Η, Nr M S9T tafaitik. MOndwn 1531 «!

BATH ORIGINAL

large !! narrow flowing gas is consumed unless that a small amount of the gas is used.

To remedy these malfunctions or defects, an electrical Heater or heating device using hot water has been proposed, but it has an essential more complicated design result, so that there are not only difficulties in manufacture, but often also Damage to the heating or warming device occurs despite the increased cost.

The object of the invention is therefore to create an improved gas discharge device in which the aforementioned deficiencies are avoided are.

In brief summary, the gas flow in the inventive Control system of the ejection device as follows: the first valve (a) is connected to a second valve (b) via a Bore or a channel 8 in connection, through which the gas flow is throttled; the second valve (b) is open with an expansion space 18 around it via a channel 17 in connection which results in a throttling; the expansion space 18 communicates with a third valve (c) via a channel 24 which provides a further restriction; a chamber 28 to reduce the gas pressure, in which the third valve (c) is located, is available with a helical channel 26, which is in the Main body 2 is formed via a channel 29 in connection, in which helical channel 26 the cold gas heat absorbed by contact with the inside of the finned main body 1 before it enters a pressure gauge 35 entry.

During the venting process, there is a flow as the gas is often given a restriction and passes through the valves and expands repeatedly, the gas in an irregular state, but does not form a layer, so that the velocity "

909851/1137

BATH ORIGINAL

The rate of heat exchange is high and the cooling effect of the gasified liquid on its flow channels is reduced, so that the appearance of the solidification of the gas to form turquoise ice does not occur even without any heating device and freezing of the channels does not occur.

Furthermore, the diameter of the channels for the gas and in particular those of the valve openings are widened in order to make the gas flow more effective, precisely during a constant consumption of a large amount of carbon dioxide gas can be regulated.

Further features and advantages of the invention emerge from the following detailed description in conjunction with FIG attached drawing, namely show:

Fig. 1 is a side view in section of the inventive Systems;

FIG. 2 is a plan view of the device shown in FIG.

A laterally elongated main body 2 with heat dissipation ribs 1 around its periphery is provided with a valve housing 4, the lower end of which at right angles into the main body 2 at the front part (left in Fig. 1) is screwed, which housing contains a first valve (a), which a closure piece 3 to reduce the gas pressure.

In the main body 2, a valve housing 5 is laterally attached, which encloses a chamber 7 in which a closure piece is located 6 of a second valve (b) for reducing the gas pressure is located, which chamber 7 with the first valve (a) is in communication via a bore or a channel 8.

The closure piece 6 is elastically loaded by a spring 9 against a valve seat Io and is in contact with a

909851/1137

BATH

Approach 14 of an actuating shaft 13, which passes through a valve opening 11 is inserted into a chamber formed in the valve housing 5.

One in the rear end (on the right in the drawing) of the valve body 5 screwed-in adjusting screw 16 serves as a support for a spring 15 which loads the actuating shaft 13 and thereby the locking piece 6 keeps at a desired distance from its valve seat Io, which distance by Adjusting the screw and thus the projection 14 of the actuating shaft 13 can be adjusted.

The chamber 7 containing the locking piece 6 is connected to the chamber 12 in which the actuating shaft 13 is located. via the valve opening 11 and the space between the closure piece 6 and the valve seat Io in connection.

The chamber 12 stands with the outside of the valve housing 5 via a lateral channel 17 in connection.

An expansion space 18 is provided around the second valve (b), the left end of which is in communication with a valve comer 23 in which there is a closure piece 22 which is elastically loaded by a spring 2o against a valve seat 21 of a third valve (c), which third valve is adjacent is attached to the head portion of the main body 2, and on the inner surface thereof, an inner housing 19 having a helical shape Groove 25 rests, which extends around the housing and a helical channel 26 with the inner surface of the Main body 2 forms, the front end (on the left in the drawing) of the helical channel 26 with a gas pressure reduction chamber 28 communicates, which is provided with a membrane 27 of the third valve (c), which membrane 27 through an adjusting screw 3o can be sunk in that it is screwed through an associated Merabran spring 31.

The valve chamber 23 is connected to the gas pressure reduction chamber

909851/1137

via a valve opening 33 and a space between the closure piece 22 and the valve seat 21 in connection. The capacity of this space is changed by the fact that the closure piece 22 is pressed against the action of the spring 2o with the tip of a projection 32 which is inserted into the valve opening 33 which approach is attached to the back of the membrane 27 on the side of the gas pressure reduction chamber 28.

The rear end of the helical channel 26 (in the drawing right), the front end of which communicates with the gas pressure reduction chamber 28 through the channel 29, is via a ' NEN channel 34 with the holder 38 of a gas pressure sensor 37 of the "

Pointer 36 of a pressure gauge 35 attached to the rear end of the main body 2 is connected. The inside of the with The pressure gauge 35 connected to the holder 38 is in communication with a supply channel 4o, with a valve 39 at the lower end of the pressure gauge 35 is attached.

In the embodiment of the invention described above the carbon dioxide gas passes through after exiting a container and gasifying from the liquid state the first valve of the gas pressure reducing device 3 and the bore 8 through and enters the chamber 7 in which the closing piece 6 of the second valve (b) is located, |

whereupon it enters the chamber 12 containing the actuating shaft 13 after it has been prepared when passing through the Space between the closure piece 6 and the valve seat Io and through the valve opening 11 has been throttled. From the Chamber 12, after the throttling in channel 17, the gas enters the expansion space 18, which surrounds the valve housing 5 of the second Valve (b) around, whereby the gas pressure is reduced. The gas then enters the valve chamber 23 of the third valve Cc) via the channel 24 from the front end of the expansion space 18, then takes its way through the prepared Space between the valve seat 31 and the closure piece 22 and through the valve opening 33, in which it is throttled,

909851/1137

comes into the Casdruck-lower case 28, in which again a pressure reduction takes place, flows through the bore 29 into the helical channel 26 between the inner surface of the main body 2 and the helical groove 25, which is formed on the outside of the inner housing 19, so that the (read follows the helical channel 26 and is fed to the rear end of the inner housing 19 so that it reaches the holder 38 of the pressure gauge 35 via the channel 34 and blows onto the gas pressure sensor 37 of the pointer 36, which is thereby actuated After passing through the pressure gauge 35, the gas flows into the supply channel 40 iier a pipeline connected to this, whereupon it finally flows out.

The mode of operation of the system according to the invention is as follows:

Immediately after its gasification, the cold carbon dioxide undergoes a pressure reduction in the first valve (a), is then expanded in the chamber 7 after it has been throttled in the bore 8 and expands again in the chamber 12 after it has passed through the space has been throttled between the closure piece 6 and the valve seat Io and through the valve opening 11, which spaces are in communication with the chamber 12, is then expanded again in the expansion space 18, after it has been throttled through the channel 17, then enters the valve chamber 23 of the third valve (c) for renewed expansion in this one after it has been throttled through the channel 24, and arrives in the gas pressure reduction chamber 28 for pressure reduction after the throttling in the space between the closure piece 22 and the valve seat 21 and in the valve opening 33.

Further , the gas is supplied to the front end of the helical channel 26 after being throttled in the bore 29 and enters the pressure gauge 35 through the rear end of the helical channel 26.

909851/1137

Although the invention in the foregoing based on preferred embodiments has been described, it is not limited to this, but can vary within its scope Experienced.

909851/1 137

Claims (1)

Claim: Control system for an ejection device for gasified carbon dioxide liquid gas, characterized by a main body with a first, a second and a third valve for reducing gas pressure, the first valve communicating with the second valve through a bore (8), the second valve with an expansion space around it. via a channel (17) is related to which expansion space with the third Valve via a channel (24) is in communication, a chamber for reducing the gas pressure of the third valve with a helical channel (26), which is formed in the main body, via a bore (29) in communication, and the rear End of the helical channel is in communication with a pressure gauge attached to the main body. 909851/1137 ORfGfNAL INSPECTED