JPH0539634U - Portable simple air separator - Google Patents

Abstract

(57) [Summary] [Purpose] Air can be easily separated in general households, etc., and nitrogen and oxygen are easily sampled and used appropriately. [Structure] The piston 12 of the hollow cylinder 2 is manually reciprocated to compress the air in the pressurizing chamber 4 and send it to the pressure-holding chamber 5,
The compressed air is separated into nitrogen and oxygen in the air separation chamber 6 provided with a large number of hollow fibers 21, and oxygen is taken from the oxygen outlet 22 and nitrogen is taken from the nitrogen outlet 20 of the nitrogen storage chamber 7, respectively.

Description

[Detailed description of the device]

[0001]

[Industrial applications]

 The present invention relates to a portable simple air separator capable of easily separating air even in a general household, etc., and particularly to a portable simple air separator suitable for using the collected inert gas nitrogen. .

[0002]

[Prior Art]

 Conventionally, oxygen and nitrogen were separated by a large air separation device and filled in a high-pressure container, and only sold.

[0003]

[Problems to be solved by the device]

 By the way, in recent years, foods and the like have come to be stored in a hermetically-sealed container, but by enclosing nitrogen, which is an inert gas, in the hermetically-sealed container, the storage period can be significantly extended. Under the above circumstances, it was difficult to use nitrogen easily.

Therefore, an object of the present invention is to provide a portable simple air separator that can easily separate air in a general household and can easily collect nitrogen and oxygen.

[0005]

[Means for Solving the Problems]

 In order to achieve the above object, the portable simple air separator of the present invention comprises a pressurizing chamber defined by a piston that slides along the inner wall of a hollow cylindrical body, and a check valve communicating with the pressurizing chamber. An air separation device provided with an air discharge port, a pressure-holding chamber communicating with the air discharge port, and a large number of hollow fibers that are partitioned from the pressure-holding chamber and open a pore opening on one end side in the pressure-holding chamber. Chamber, and a nitrogen storage chamber that is partitioned from the air separation chamber and has a pore opening on the other end side of the hollow fiber that opens, and an oxygen outlet is provided on the side wall of the air separation chamber and the nitrogen storage chamber. One of the features is that each of them has a nitrogen outlet.

[0006]

[Work]

 With this configuration, the air pressurized in the pressure chamber and sent to the pressure-holding chamber has oxygen oozing from the wall surface of the hollow fiber while passing through the pores of the hollow fiber, so that the nitrogen is stored in the nitrogen storage chamber. Is stored, it is possible to collect oxygen from the oxygen outlet and nitrogen from the nitrogen outlet.

[0007]

【Example】

 An embodiment of the present invention will be described below with reference to the drawings.

The air separator 1 is composed of two hollow cylinders 2 and 3 standing upright in parallel, a pressurizing chamber 4 is formed in one hollow cylinder 2, and three hollow cylinders 3 are arranged in the other hollow cylinder 3. A pressure holding chamber 5 is formed in the bottom, an air separation chamber 6 is formed in the upper part, and a nitrogen storage chamber 7 is formed in the upper part.

The hollow cylinder 2 is provided with an air inlet 9 having a check valve 8 on the bottom side and an air outlet 11 having a check valve 10 so as to communicate with the pressurizing chamber 4, respectively. A piston 12 that slides along the inner wall is provided in the hollow cylinder 2, and the piston 12 is provided with its rod 13 rotatably mounted on a column 14 standing on the other hollow cylinder 3. It is connected to the lever 15

The pressure-holding chamber 5 communicates with the air outlet 11 at the bottom, and the upper part is partitioned from the air separation chamber 6 by the partition wall 16. The nitrogen storage chamber 7 has the bottom part at the partition wall 17. Thus, it is partitioned from the air separation chamber 6, and a nitrogen outlet 20 equipped with a check valve 18 and an opening / closing valve 19 is provided on the upper side wall.

In the air separation chamber 6, an ultrafine hollow fiber 21 made of cellulose acetate, polysulfone, polyimide, or the like is provided between the partition walls 16 and 17 and a pore opening on the lower end side is opened in the pressure-holding chamber 5. A large number of pore openings on the upper end side are opened in the nitrogen storage chamber 7 and a large number are provided, and an oxygen outlet 22 is provided on the upper portion of the side wall.

Reference numeral 23 is a pressure gauge provided in the pressure-holding chamber 5, and 24 is a pressure gauge provided in the nitrogen storage chamber 7.

In the air separator 1 thus configured, the lever 15 is manually moved to move the piston 12 up and down, pressurize the air in the pressurizing chamber 4 and pressurize the pressure chamber 5 through the air discharge port 11. Then, the compressed air sent into the pressure-holding chamber 5 enters the pores through the pore openings on the lower end side of the hollow fiber 21.

In the compressed air that has entered the pores, oxygen is exuded to the outside from the wall surface of the hollow fiber 21 while passing through the pores, and is separated. Nitrogen is sent to the nitrogen storage chamber 7.

Then, the nitrogen stored in the nitrogen storage chamber 7 is opened from the opening / closing valve 19 and collected from the nitrogen outlet port 20, and is used as appropriate for food preservation.

When it is desired to use oxygen, the oxygen discharged from the oxygen outlet 22 is sampled and used.

Therefore, since oxygen and nitrogen can be collected as if operating the air pump of a bicycle, it can be used easily and easily in a general household.

In the above embodiment, the two-cylinder type has been described, but the one-cylinder type may also be used, and the pressurization of air may be by pushing the handle or by stepping. Furthermore, when using a piston with a check valve structure such as an air pump for a rotating vehicle, the air intake port communicating with the pressurizing chamber is omitted and the insertion part of the piston rod is used as the air intake port. You can also

[0019]

[Effects of the Invention] As described above, the portable simple air separator of the present invention uses compressed air compressed by a piston that manually reciprocates in a hollow cylinder in an air separation chamber equipped with a large number of hollow fibers. Separated into oxygen and nitrogen, the separated oxygen and nitrogen can be sampled separately, so that oxygen and nitrogen can be sampled as if operating a bicycle air pump. And oxygen and nitrogen can be used easily.

[Brief description of drawings]

FIG. 1 is a sectional view showing an embodiment of the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Air separator, 4 ... Pressurization chamber, 5 ... Pressure holding chamber, 6 ... Air separation chamber, 7 ... Nitrogen storage chamber, 9 ... Air inlet, 11 ... Air outlet, 20 ... Nitrogen outlet, 21 ... Hollow fiber, 22 ... Oxygen outlet

Claims (1)

[Scope of utility model registration request] 1. A pressurizing chamber defined by a piston that slides along the inner wall of a hollow cylinder, an air exhaust port having a check valve communicating with the pressurizing chamber, and the air exhaust port. A pressure-retaining chamber communicating with the air-retaining chamber, an air-separating chamber that is partitioned from the pressure-retaining chamber, and has a large number of hollow fibers that open pore openings on one end side of the pressure-retaining chamber; It has a nitrogen storage chamber in which a fine pore opening on the other end side of the hollow fiber is opened, and an oxygen outlet is provided on a side wall of the air separation chamber, and a nitrogen outlet is provided in the nitrogen storage chamber. Portable simple air separator.