JPS6217497A - Gas storage tank - Google Patents

Abstract

PURPOSE:To contain gas independently of the nature of the stored gas by constituting an inner holder with a cylindrical side wall expandable up and down and provided on a bottom plate via a sealing mechanism and a movable top plate covering the upper end section of the said side wall. CONSTITUTION:An inner holder 1 containing the stored gas A is constituted with a bottom plate 3, a cylindrical side wall 5 expandable up and down, and the upper end section of this side wall 5. An outer holder 9 constituted with a cylindrical fixed side wall and a roof 8 covering the upper end section of this fixed side wall 7 is installed outside this inner holder 1. The side wall 5 is formed by connecting multiple cylindrical connecting tubes 11 having different diameters, with the upper end section of one connecting tube 11 connected to the lower end section of the adjacent one each other and individual connecting sections are filled with a sealant B.

Description

Detailed Description of the Invention "Industrial Application Field" The invention is based on a temperature range of 1000 degrees Celsius for low-pressure gases such as coke gas, converter gas, blast furnace gas, city gas, and other general industrial gases. 】 Gas storage tank for storing (
gas holder).

``Conventional technology'' Conventionally, low-pressure girders made from Koriginoki were used. When storing, a bell-shaped gas tank is fitted into a cylindrical water tank, and a balloon-shaped container made of rubber-treated cloth is placed inside a cylindrical holder of a water-sealing type that is fitted in a telescopic manner. Commonly used gas storage tanks include the Wiggins type, which stores gas, and the Mann type, in which a piston moves up and down in a polygonal holder and stores gas below the piston.

"Problems to be Solved by the Invention" However, each of the above-mentioned conventional gas storage tanks has advantages and disadvantages, for example.

- Gas that dissolves in water cannot be stored (water seal type).

. If the properties of the gas are manipulated, it will erode the synthetic rubber used as a flexible sealing material that comes into contact with the gas, so it cannot be stored (Wiggins method).

・Maintenance is expensive (man style).

There are other problems.

The non-invention was made in view of the above circumstances.

The seventh purpose is to provide a low-pressure gas storage WI that can store gas regardless of its properties, can handle small searches or those with fewer people, and has low construction and maintenance costs. It's about doing.

"Means for Solving the Problem" In order to achieve the above object, the uninvented invention provides an internal holder,
It consists of a vertically telescopic 01 rudder with a sealing mechanism 'T' valve provided on the bottom plate, a cylindrical side wall in the shape of an octave, and a movable top plate that is provided at the upper end of the side wall. Also, on the outside of the inner holder, the inner holder '4! : Cover with external holder? Furthermore, if necessary, a pressure regulating gas chamber is formed between the me and the external holder for filling pressure regulating gas against the gas pressure in the internal holder.

"Function" In the gas storage tank of the present invention, the side wall expands and contracts up and down and the movable top plate moves up and down depending on the amount of stored gas stored inside the internal holder. By filling the outside of the side wall with pressure regulating gas, only the differential pressure between the broken storage gas and the pressure regulating gas is applied to the internal holder.

"Embodiment" An embodiment of the present invention will be described below with reference to FIGS. 1 to 5.

Is 1 in the diagram 1M1K? This is an internal holder for storing lI storage gas Afzt, and this internal holder 1 is connected to the pond 11 side GL.
Installed in parallel on the embankment foundation 2 of 7S: electric board 3,
This is a cylindrical side wall 5 that is vertically expandable and retractable and is provided on the temporary 3 by a valve mechanism 4, and the upper end Y of this W wall 5.
It is composed of a piston (movable piston 6).

And, on the outside of this internal holder l, there is a cylindrical fixing 1.
1II wall 7 and the upper end of this fixed enclosure wall 7 1iiiS7a1'
An external holder 9 consisting of a covering roof 8 is installed.

Inside the internal holder l, a gas inlet/outlet pipe 10 communicating with the outside of the tank is connected to the bottom [3 and underground t)r,
This gas inlet/output pipe 10 is provided with a hole 5 through which the gas to be stored A is supplied into the interior of the internal holder l. Further, the expandable and retractable side wall 5 has an upper end bent inwardly and a lower end bent outward to form a cylindrical shape with an 8-shape # surface.

Connecting cylinders 11 having the same width and gradually different diameters are connected to each other by meshing their upper ends with the lower ends of adjacent connecting cylinders 11, and each connecting cylinder 1 constituting this side wall 5χ
1 maintains its airtightness when it expands and contracts up and down according to the amount of gas to be stored stored in the internal holder (
, the groove at the lower end of each connecting cylinder 11! I$11a is filled with sealant B. The lower part of this side wall 5 is
The external holder 9, the cylindrical dam temporary 12, and the lower inclined part 1
A sticker surrounded by 3? The seal 1114 and the seal liquid C are stored inside the seal 1114 and the seal liquid C.
The sealing mechanism 4 is configured by these.

The piston 6 is provided with rollers 15 of W number and slide seals 16 located above and below, protruding outward from the piston 6, and a leveling II consisting of these rollers 15 and a suspended wire (not shown). Depending on the device, the piston 6 can be moved to one side without tilting or tilting.
It is designed to be housed on the fixed side wall 7 of the external holder 9 and move up and down.

Further, the slide seal 6 slides without contacting the fixed 14 and 7, and is not completely sealed, but allows some leakage of the pressure regulating gas D. A pressure regulating gas chamber 17 is constituted by the fixed side 1!7 of the external holder 9 and the slide seal 16.
Air and nitrogen gas are supplied to the pressure regulating gas tank 17 by a blower 18 installed outside.

Alternatively, a pressure adjusting gas D such as an inert gas is supplied to maintain the pressure inside the internal holder l at a slightly lower pressure.

Furthermore, a pressure vent 19 is provided between the pressure regulating gas chamber 17 and the upper part of the external holder 9 via the piston 6Y to release the pressure regulating gas D when the pressure in the pressure regulating gas chamber 17 rises above a predetermined level. is installed. In addition, the pressure regulating gas chamber 1
7 and the internal holder l are communicated by a communication pipe 20 installed in the piston 6 and a differential pressure valve 21 arranged in this communication pipe 20, whereby the pressure in the pressure regulating gas chamber 17 is reduced. Then, the differential pressure valve 21 opens, and the stored gas A in the internal holder l flows into the pressure regulating gas chamber 17. The upper 'd2M pressure valve 21 may be replaced with a water ring type valve.

Sl 22 is an oven vent, and the material of the connecting cylinder IL is preferably one with high rigidity, preferably stainless steel having excellent corrosion resistance.

When temporarily storing gas in the gas reservoir configured as described above, elastic g! When the A wall 5 is in a contracted state and the stored gas A is pressurized into the internal holder using the gas inlet/output pipe 1, as the pressure inside the internal holder increases, the piston 6 of the internal holder is fixed side wall 7
It rises and falls cleanly.

As a result, the connecting cylinder 11 of the @ wall 5 connected to the piston 6 is lifted up, and the upper J! ! The lower end of the joint 1rJ11 moves upward while being engaged with the upper end of the lower connecting cylinder 11, but since this engaging action is performed inside the sealing fluid C of the sealing tube 14, each joint +l
Temporarily stored gas A will not leak outside from the 1ffll cabinet. Then, the stored gas A (
7) In order, depending on the injection amount.

From the inner connection m11 to the upper part of the connection tube 11.
It rises in the 'r-state where it engages with ■. At this time, the pressure setting of the stored gas A is determined by increasing or decreasing the electric current mY of the piston 6. At the same time, since the blower 18 supplies the pressure-regulated gas D to the pressure-regulated gas chamber 17 at a predetermined pressure (a pressure slightly lower than the pressure to the stored gas), the above-mentioned I! The sealing performance of 11114i5 is maintained at a high level by reducing the mechanical damage caused by the pressure on the stored gas on the 11 wall 5 and by reducing the pressure difference between the inside and outside of the 1 side wall 5. Furthermore, the sealing liquid C in the sealing chamber 14 of the sealing machine JrWIt4 and SI! The sealant B used in the groove 11a of the connecting cylinder 11 of the I-wall 5 only needs to be used in a small amount, so it can be easily selected according to the properties of the liquid storage gas.

In addition, pressure is supplied to the 1lJ4 pressure gas chamber 17 using the blower 1.
8L, but it can also be constructed as a fail-safe pressure regulating gas supply facility that supplies pressure 71'M through a pressure gas chamber with a pressure regulating valve between the pressure regulating gas chamber 17 and the blower 18. stomach.

"The young fruits of invention" As explained above, the inventive feature is the internal holder.

It consists of a cylindrical side wall that is vertically expandable and retractable provided on the discharge plate via a sealing machine 411', and a cylindrical side wall provided around the upper end of the side wall, as well as an outer side of the inner holder. In addition, an external holder is provided in the &f internal holder, and if necessary, a η ratio gas is provided between the side wall and the external holder to counteract the gas pressure in the circular holder. Internal holder yh, which forms the pressure regulating gas chamber:
The m-wall, movable top plate, 7-l mechanism, and Q-plate have a sealed structure, and the side walls can expand and contract up and down depending on the amount of gas to be stored.

The top plate is raised and lowered to store the stored gas in the internal holder, and if necessary, the outside of the side wall is filled with pressure regulating gas. By applying the differential pressure between the gas and the gas on the side wall, it is possible to store the stored gas regardless of its properties, and it has the excellent effect of being able to accommodate everything from huts to those with fewer people, as well as reducing both construction and maintenance costs. .

[Brief explanation of drawings]

Figures 1 to 5 show an example of the present invention.
Fig. 1 is a sectional view, Fig. 2 is an fR view explaining the seal shape at the lower part of the side wall, Fig. 3 is a sectional view explaining the connection state Y of each connecting cylinder, and Fig. 4 is a lower end of the connecting cylinder. Section of -, 5th
The figure is a sectional view of the slide seal portion. l...Internal header, 3... Seri plate, 4... Seal mechanism. 5...gril wall, 6...piston

[Machi IIJ top plate], 9°°° external holder, 17...pressure regulating gas chamber. A... Gas to be stored, D... Pressure regulating gas.

Claims (2)

[Claims] (1) An internal holder that accommodates gas to be stored inside has a cylindrical side wall that is vertically expandable and retractable that is provided on the bottom plate via a sealing mechanism, and a movable holder that is provided to cover the upper end of the side wall. A gas storage tank comprising a top plate and an external holder provided outside the internal holder to cover the internal holder. (2) Claims characterized in that a pressure regulating gas chamber is formed between the side wall and the external holder and is filled with pressure regulating gas to counteract the pressure of the gas to be stored in the internal holder. The gas storage tank described in paragraph 1.