JP6138537B2 - Filling cylinder - Google Patents

Description

  The present invention is a powdery solid metal complex, metal alkoxide, carbon dioxide containing a functional substance such as a substance that can add color, water repellency, electrical conductivity, ultraviolet absorptivity, etc. to fibers and resin moldings The present invention relates to a method for filling a cylinder.

  Techniques for adding color, water repellency, electrical conductivity, ultraviolet absorptivity, and the like to fibers and resin moldings using the solvent property of carbon dioxide gas are known. These are obtained by dissolving a functional substance such as a metal complex or metal alkoxide, which is a granular solid, in carbon dioxide gas and impregnating a molded body or raw material of a resin or fiber.

However, when functional substances such as metal complexes and metal alkoxides that are granular solids are solid at room temperature and normal pressure, the solid continuous pressure booster has poor durability of the sealing material, and there is nothing that can operate stably for a long time. In particular, it was not suitable for production facilities.
Therefore, it was difficult to mix in the liquefied carbon dioxide gas whose pressure which fills a cylinder with the functional substance which is a granular solid is 1.5-7 Mpa.

There is a method in which a functional substance that is a powdery solid at room temperature and normal pressure is dissolved in a solvent and mixed with liquefied carbon dioxide gas that is in a high pressure state using a pressure pump as a liquid. However, there is a need for a method in which only a functional substance that is a granular solid and liquefied carbon dioxide gas are mixed and filled into a cylinder.
It is also possible to remove the valve at the cylinder filling port and fill the inside with a functional substance that is a granular solid, and then fill with liquefied carbon dioxide gas. Had the disadvantage of mixing

Japanese Patent No. 4919262

  In view of the above-described conventional drawbacks, the present invention dissolves a functional substance that is a granular solid in a liquefied carbon dioxide gas filled in a cylinder, and mixes and fills the liquefied carbon dioxide gas into a liquefied carbon dioxide gas, thereby efficiently mixing impurities. An object of the present invention is to provide a filling method for a cylinder that can be filled efficiently and with a simple operation in a state where a functional substance is dissolved in a liquefied carbon dioxide gas at a predetermined concentration while being well blocked. .

The above and other objects and novel features of the present invention will become more fully apparent when the following description is read in conjunction with the accompanying drawings.
However, the drawings are for explanation only and do not limit the technical scope of the present invention.

In order to achieve the above object, the present invention is a method for filling liquefied carbon dioxide gas into a cylinder using a filling pipe for filling liquefied carbon dioxide gas in a storage container from a filling port of the cylinder at a pressure of 1.5 to 7 Mpa. A functional substance charging cartridge filled with a functional substance that is a powdery solid at normal temperature and pressure is connected to the filling pipe, and the functional property is obtained by the liquefied carbon dioxide gas that passes when the liquefied carbon dioxide gas is filled in the cylinder. The functional substance filled in the substance charging cartridge is dissolved, mixed with liquefied carbon dioxide gas, and filled , and the functional substance charging cartridge connecting portion of the filling pipe can be evacuated. An apparatus is arranged to constitute a filling method for the cylinder.

As is clear from the above description, the present invention has the following effects.
(1) According to claim 1, the functional substance charging cartridge is connected to the filling pipe, and the functional substance of the liquefied carbon dioxide gas filled in the cylinder is dissolved and filled, so that the valve of the conventional cylinder filling port is removed. Compared with what is done, it can be filled efficiently.
(2) According to the above (1), since the operation of removing the valve at the filling port of the cylinder is not performed, the mixing of impurities can be efficiently prevented.
(3) According to the above (1), the functional substance is dissolved in the liquefied carbon dioxide gas to be filled and filled into the cylinder, so that the cylinder can be filled with a predetermined concentration.
(4) According to the above (1), even when the functional material charging cartridge is replaced, the vacuum can be evacuated by the vacuum device to remove impurities from the functional material charging cartridge and fill the cylinder.
( 5 ) In claim 2, the same effects as in the above (1) to ( 4 ) can be obtained, and filling with less impurities can be performed.
( 6 ) Claim 3 can obtain the same effects as the above (1) to ( 4 ) and can efficiently prevent impurities from entering the upstream of the check valve.
(7) together with the same effects as claim 4 is also the above (1) to (4) is obtained, it is possible to accurately measure the weight of the functional material filled in the bomb.

BRIEF DESCRIPTION OF THE DRAWINGS Schematic of the 1st form for implementing this invention. Explanatory drawing of the principal part of the 1st form for implementing this invention. Schematic of the 2nd form for implementing this invention. Schematic of the 3rd form for implementing this invention. Schematic of the 4th form for implementing this invention.

  Hereinafter, the present invention will be described in detail with reference to the embodiments shown in the drawings.

In the first embodiment for carrying out the present invention shown in FIG. 1 and FIG. 2, 1 is a method for filling a cylinder of the present invention in which liquefied carbon dioxide mixed with a functional substance which is a powdery solid is filled into the cylinder. Thus, the filling method 1 into the cylinder is such that the liquefied carbon dioxide gas in the storage container 2 such as a tank filled with 1.5 to 12 Mpa of liquefied carbon dioxide gas is supplied to the filling port 4 of the cylinder 3 at a pressure of 1.5 to 7 Mpa. The filling pipe 5 is used for further filling.
A gate valve 6, a check valve 7, and a detachable cartridge 8 are sequentially disposed in the filling pipe 5.

  The cartridge 8 has a cartridge case body 10 provided with connectors 9 and 9 that can be detachably connected to the filling pipe 5 at both ends, and a filter 11 disposed at an upstream portion and a downstream portion of the cartridge case body 10. 11 and at room temperature such as a metal complex, a metal alkoxide, a material that can add color, water repellency, electrical conductivity, UV absorption, etc. It is comprised with the functional substance 12 which is a powdery solid.

  The filling pipe 5 having the above configuration is connected to the filling port 4 of the cylinder 3 with the connecting portion 13, and the cartridge 8 measured by the measuring instrument 14 is interposed in the filling pipe 5 between the check valve 7 and the cylinder 3. The gate valve 6 is opened and the cylinder 3 is filled with liquefied carbon dioxide gas at 1.5 to 7 MPa.

  At this time, since the liquefied carbon dioxide passes through the cartridge 8, the powdered solid functional substance 12 is dissolved with the liquefied carbon dioxide gas and the functional substance 12 dissolved in the liquefied carbon dioxide gas is mixed. The cylinder 3 is filled.

  When the cylinder 3 is filled with a predetermined amount, the gate valve 6 is closed, the connecting portion 13 of the filling pipe 5 is removed from the filling port 4 of the cylinder 3, the cartridge 8 is also removed, and the removed cartridge 8 is weighed by the measuring instrument 14. Thereby, the filling amount of the filled functional material 12 can be known from the weight before filling and the weight after filling.

[Different forms for carrying out the invention]
Next, different modes for carrying out the present invention shown in FIGS. 3 to 5 will be described. In the description of the different embodiments for carrying out the present invention, the same components as those in the first embodiment for carrying out the present invention are denoted by the same reference numerals, and redundant description is omitted.

  In the second embodiment for carrying out the present invention shown in FIG. 3, the main difference from the first embodiment for carrying out the present invention is that liquefied carbon dioxide gas from the storage container 2 is supplied to two cylinders 3. 3 and the filling pipes 5 and 5 that can be filled into the tank 3 and the cartridges 8A and 8A provided with the filters 11 and 11 only on the downstream side are used. Even if the filling method 1A for filling the cylinders 3 and 3 with the liquefied carbon dioxide gas in which the active substance 12 is dissolved is performed, the same effect as the first embodiment for carrying out the present invention can be obtained. .

  The third embodiment for carrying out the present invention shown in FIG. 4 is mainly different from the first embodiment for carrying out the present invention in that a cartridge 8B without a filter is used, and a gate valve 6 and a cylinder are used. The functional substance 12 is dissolved by using the filling pipe 5A configured as described above in that a vacuum device 16 using a vacuum pump 15 that evacuates the connection portion 13 of the filling port 4 is provided. Even if the cylinder filling method 1B in which the liquefied carbon dioxide gas is filled into the cylinder 3 is performed, the same effects as the first embodiment for carrying out the present invention can be obtained.

  The fourth embodiment for carrying out the present invention shown in FIG. 5 is mainly different from the first embodiment for carrying out the present invention in that the connection portion 13 between the gate valve 6 and the filling port 4 of the cylinder 3 is different. To the cylinder that fills the cylinder 3 with the liquefied carbon dioxide gas in which the functional substance 12 is dissolved using the filling pipe 5B. Even if the filling method 1C is performed, the same effects as those of the first embodiment for carrying out the present invention can be obtained.

  The present invention is used in the industry of filling a cylinder with a functional substance.

1, 1A, 1B, 1C: filling method into a cylinder,
2: storage container, 3: cylinder,
4: Filling port 5, 5A, 5B: Filling piping,
6: Gate valve, 7: Check valve,
8, 8A, 8B: cartridge, 9: connector,
10: Cartridge case body, 11: Filter,
12: Functional substance, 13: Connection part,
14: Meter, 15: Vacuum pump,
16: Vacuum device.

Claims (4)

In the method of filling liquefied carbon dioxide gas into a cylinder using a filling pipe for filling the liquefied carbon dioxide gas in the storage container from the filling port of the cylinder at a pressure of 1.5 to 7 Mpa, the filling pipe is granular at normal temperature and normal pressure. The functional substance charged in the charging cartridge of the functional substance is connected by the liquefied carbon dioxide gas that is passed through when charging the liquefied carbon dioxide gas into the cylinder by connecting the charging cartridge of the functional substance filled with the solid functional substance. Is filled with liquefied carbon dioxide gas, and a vacuum device is provided that can evacuate the functional cartridge input cartridge connecting portion of the filling pipe. How to fill cylinders. 2. The method of filling a cylinder according to claim 1, wherein a filter is disposed at one or both of an inlet and an outlet of the input cartridge of the functional substance of the filling pipe. 3. The method for filling a cylinder according to claim 1, wherein a check valve is disposed upstream of the functional material charging cartridge in the filling pipe. The weight of the functional substance input cartridge when connected to the filling pipe is measured, and the weight of the functional substance input cartridge after filling the cylinder is measured to determine the amount of the functional substance filled in the cylinder. The method for filling a cylinder according to any one of claims 1 to 3, wherein a measuring means for measuring is provided.

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