CN212141525U

CN212141525U - High-purity oxygen argon rectifying tower

Info

Publication number: CN212141525U
Application number: CN202020268111.1U
Authority: CN
Inventors: 董天才; 王洪磊
Original assignee: Baotou Yingde Gas Co ltd
Current assignee: Baotou Yingde Gas Co ltd
Priority date: 2020-03-06
Filing date: 2020-03-06
Publication date: 2020-12-15
Anticipated expiration: 2030-03-06

Abstract

The utility model discloses a high-purity oxygen argon rectifying column, including rectifying column shell and control box, inside first independent oxygen argon rectifying system, first argon fraction, second argon fraction and the independent oxygen argon rectifying system of second of being provided with of rectifying column shell, and first independent oxygen argon rectifying system right side is provided with first argon fraction, second argon fraction and the independent oxygen argon rectifying system of second, first argon fraction upside is provided with second argon fraction, and second argon fraction upside is provided with the independent oxygen argon rectifying system of second, first independent oxygen argon rectifying system and the independent oxygen argon rectifying system of second are linked together with the argon gas detector through the fourth gas-supply pipe respectively. This high purity oxygen argon rectifying column is provided with the independent oxygen argon rectifying system of second, and the setting up of the independent oxygen argon rectifying system of second can be rectified in the independent oxygen argon rectifying system of the whole suction of second argon fraction, can avoid because of the resistance is too big, in the independent oxygen argon rectifying system of argon fraction total suction, influence the output of liquid argon.

Description

High-purity oxygen argon rectifying tower

Technical Field

The utility model relates to the technical field of oxygen argon rectifying tower product, in particular to a high-purity oxygen argon rectifying tower.

Background

The rectifying tower is a tower-type gas-liquid contact device for rectifying. By utilizing the property that each component in the mixture has different volatility, namely the vapor pressure of each component is different at the same temperature, the light component (low-boiling-point substance) in the liquid phase is transferred into the gas phase, and the heavy component (high-boiling-point substance) in the gas phase is transferred into the liquid phase, thereby realizing the purpose of separation.

In the current oxygen argon rectifying column, two sets of argon fractions enter into oxygen argon rectification system simultaneously and carry out the rectification, because the reason of resistance, two sets of argon fractions can not all be extracted oxygen argon rectification system and carry out the rectification, reduce the output of liquid argon like this to oxygen argon after the rectification does not carry out the purity detection before getting into the storage box, influences later stage oxygen argon quality.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high-purity oxygen argon rectifying column to in solving the current oxygen argon rectifying column that proposes in the above-mentioned background art, two sets of argon fractions get into oxygen argon rectifying system simultaneously and carry out the rectification, because the reason of resistance, two sets of argon fractions can not all be extracted oxygen argon rectifying system and carry out the rectification, reduce the output of liquid argon like this, and oxygen argon after the rectification does not carry out the purity detection before getting into the storage box, influence the problem of later stage oxygen argon quality.

In order to achieve the above object, the utility model provides a following technical scheme: a high-purity oxygen-argon rectifying tower comprises a rectifying tower shell and a control box, wherein a first independent oxygen-argon rectifying system, a first argon fraction, a second argon fraction and a second independent oxygen-argon rectifying system are arranged in the rectifying tower shell, and the right side of the first independent oxygen-argon rectifying system is provided with a first argon fraction, a second argon fraction and a second independent oxygen-argon rectifying system, the upper side of the first argon fraction is provided with the second argon fraction, and a second independent oxygen-argon rectifying system is arranged on the upper side of the second argon fraction, the first independent oxygen-argon rectifying system and the second independent oxygen-argon rectifying system are respectively communicated with an argon gas detector through a fourth gas pipe, the argon gas detector is communicated with an argon gas storage box through a fifth gas pipe, meanwhile, electric valves are arranged in the fourth gas transmission pipe, the first exhaust pipe, the first air return pipe, the second exhaust pipe, the third exhaust pipe, the second air return pipe and the fifth gas transmission pipe.

Preferably, first independent oxygen argon rectification system is linked together through first blast pipe and first argon fraction, and first argon fraction is linked together through second blast pipe and second argon fraction, and second argon fraction is linked together through third blast pipe and second independent oxygen argon rectification system simultaneously, first argon fraction is linked together through first muffler and left side argon gas detector, second argon fraction is linked together through second muffler and right side argon gas detector.

Preferably, the first air return pipe, the second air exhaust pipe, the third air exhaust pipe and the second air return pipe are all provided with a liquid oxygen pump.

Preferably, the argon gas detector and the argon gas storage tank are provided with two.

Preferably, the argon gas storage tanks are provided with two argon gas storage tanks, and the inner diameters of the two argon gas storage tanks are the same.

Preferably, the control box is fixed on the right side of the rectifying tower shell.

Compared with the prior art, the beneficial effects of the utility model are that: the high-purity oxygen-argon rectifying tower,

(1) the second independent oxygen-argon rectification system is arranged, and the second argon fraction can be completely pumped into the second independent oxygen-argon rectification system for rectification, so that the problem that the yield of liquid argon is influenced because the argon fraction cannot be completely pumped into the independent oxygen-argon rectification system due to overlarge resistance can be avoided;

(2) be provided with the argon gas detector, the argon gas that sets up of argon gas detector can carry out the purity to getting into in the argon gas storage box and detect, avoids inside the unqualified entering argon gas storage box of argon gas purity, influences the inside whole nitrogen gas quality of argon gas storage box at last.

Drawings

FIG. 1 is a schematic front view of the present invention;

FIG. 2 is an enlarged schematic view of the structure at A of FIG. 1 according to the present invention;

FIG. 3 is a schematic structural view of the first exhaust pipe in the rectifying tower shell according to the present invention;

fig. 4 is the schematic diagram of the work flow structure of the control box of the present invention.

In the figure: 1. rectification tower shell, 2, first independent oxygen argon rectification system, 3, first argon fraction, 4, second argon fraction, 5, second independent oxygen argon rectification system, 6, first blast pipe, 7, first return pipe, 8, second blast pipe, 9, third blast pipe, 10, second return pipe, 11, liquid oxygen pump, 12, fourth gas-supply pipe, 13, electric valve, 14, argon gas detector, 15, fifth gas-supply pipe, 16, argon gas storage box, 17, control box.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a high-purity oxygen-argon rectifying tower is disclosed, as shown in figure 1, figure 3 and figure 4, a first independent oxygen-argon rectifying system 2, a first argon fraction 3, a second argon fraction 4 and a second independent oxygen-argon rectifying system 5 are arranged in a rectifying tower shell 1, a first argon fraction 3, a second argon fraction 4 and a second independent oxygen-argon rectifying system 5 are arranged on the right side of the first independent oxygen-argon rectifying system 2, a control box 17 is fixed on the right side of the rectifying tower shell 1, the control box 17 is electrically connected with the first independent oxygen-argon rectifying system 2, the second independent oxygen-argon rectifying system 5, a liquid oxygen pump 11, an electric valve 13 and an argon detector 14, the second argon fraction 4 is arranged on the upper side of the first argon fraction 3, the second independent oxygen-argon rectifying system 5 is arranged on the upper side of the second argon fraction 4, the first independent oxygen-argon rectifying system 2 is communicated with the first argon fraction 3 through a first exhaust pipe 6, and the first argon fraction 3 is communicated with the second argon fraction 4 through a second exhaust pipe 8, meanwhile, the second argon fraction 4 is communicated with a second independent oxygen-argon rectification system 5 through a third exhaust pipe 9, the first argon fraction 3 is communicated with a left argon detector 14 through a first gas return pipe 7, the second argon fraction 4 is communicated with a right argon detector 14 through a second gas return pipe 10, liquid oxygen pumps 11 are respectively arranged on the first gas return pipe 7, the second exhaust pipe 8, the third exhaust pipe 9 and the second gas return pipe 10, the speeds of the first argon fraction 3 and the second argon fraction 4 entering the first independent oxygen-argon rectification system 2 and the second independent oxygen-argon rectification system 5 respectively can be increased through the arrangement of the liquid oxygen pumps 11 on the first gas return pipe 7, the second exhaust pipe 8, the third exhaust pipe 9 and the second gas return pipe 10, the whole rectification time is shortened, the whole working efficiency is improved, and the resistance of the first argon fraction 3 and the second argon fraction 4 in rectification can be reduced through the arrangement of the second independent oxygen-argon rectification system 5, the yield of liquid argon is increased, and the venting amount is reduced.

As shown in fig. 1 and 2, the first independent oxygen-argon rectification system 2 and the second independent oxygen-argon rectification system 5 are respectively communicated with the argon gas detector 14 through a fourth gas pipe 12, the argon gas detector 14 is communicated with an argon gas storage box 16 through a fifth gas pipe 15, meanwhile, the fourth gas pipe 12, the first exhaust pipe 6, the first gas return pipe 7, the second exhaust pipe 8, the third exhaust pipe 9, electric valves 13 are respectively arranged in the second gas return pipe 10 and the fifth gas pipe 15, the argon gas detector 14 and the argon gas storage box 16 are respectively provided with two, the argon gas storage boxes 16 are provided with two, the inner diameters of the two argon gas storage boxes 16 are the same, the two argon gas detectors 14 and the argon gas storage boxes 16 are arranged, argon gas generated after the first independent oxygen-argon rectification system 2 and the second independent oxygen-argon rectification system 5 can be respectively detected, if the detection is unqualified, the argon gas can flow back to the heavy fraction 3 and the second fraction 4 through the first gas return pipe 7 and the second gas return pipe 10 And newly processing to ensure that the quality of the argon entering the argon storage box 16 is qualified.

The working principle is as follows: when the high-purity oxygen-argon rectifying tower is used, an external power supply is connected, the model of an argon detector is XP-314B, a liquid oxygen pump 11 on a first exhaust pipe 6 and a third exhaust pipe 9 is started under the action of a control box 17, a first argon fraction 3 and a second argon fraction 4 respectively enter a first independent oxygen-argon rectifying system 2 and a second independent oxygen-argon rectifying system 5 through the first exhaust pipe 6 and the third exhaust pipe 9 under the action of the liquid oxygen pump 11, the first independent oxygen-argon rectifying system 2 and the second independent oxygen-argon rectifying system 5 are started under the action of the control box 17, the first independent oxygen-argon rectifying system 2 and the second independent oxygen-argon rectifying system 5 carry out rectification processing on the argon fraction, an electric valve 13 and an argon detector 14 in a fourth argon gas pipe 12 are started under the action of the control box 17 after the processing is finished, the processed oxygen-argon gas enters the argon detector 14 through the fourth argon gas pipe 12, the argon gas detector 14 detects the processed argon gas, the qualified argon gas is stored in the oxygen-argon storage box 16 through the fifth gas conveying pipe 15, the unqualified oxygen-argon respectively flows back to the first argon fraction 3 and the second argon fraction 4 through the first gas return pipe 7 and the second gas return pipe 10, and the treatment is carried out again to ensure the argon gas quality.

The terms "central," "longitudinal," "lateral," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientation or positional relationship indicated in the drawings for ease of description, but are not intended to indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the scope of the invention.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a high-purity oxygen argon rectifying column, includes rectifying column shell (1) and control box (17), its characterized in that: rectifying column shell (1) inside be provided with first independent oxygen argon rectification system (2), first argon fraction (3), second argon fraction (4) and second independent oxygen argon rectification system (5), and first independent oxygen argon rectification system (2) right side is provided with first argon fraction (3), second argon fraction (4) and second independent oxygen argon rectification system (5), first argon fraction (3) upside is provided with second argon fraction (4), and second argon fraction (4) upside is provided with second independent oxygen argon rectification system (5), first independent oxygen argon rectification system (2) and second independent oxygen argon rectification system (5) are linked together with argon gas detector (14) through fourth gas-supply pipe (12) respectively, and argon gas detector (14) are linked together with argon gas storage box (16) through fifth gas-supply pipe (15), and fourth gas-supply pipe (12) simultaneously, Electric valves (13) are arranged in the first exhaust pipe (6), the first air return pipe (7), the second exhaust pipe (8), the third exhaust pipe (9), the second air return pipe (10) and the fifth air delivery pipe (15).

2. The high purity argon oxygen rectification column as claimed in claim 1, wherein: first independent oxygen argon rectification system (2) are linked together through first blast pipe (6) and first argon fraction (3), and first argon fraction (3) are linked together through second blast pipe (8) and second argon fraction (4), and second argon fraction (4) are linked together through third blast pipe (9) and second independent oxygen argon rectification system (5) simultaneously, first argon fraction (3) are linked together through first muffler (7) and left side argon gas detector (14), second argon fraction (4) are linked together through second muffler (10) and right side argon gas detector (14).

3. The high purity argon oxygen rectification column as claimed in claim 1, wherein: and the first air return pipe (7), the second air return pipe (8), the third air return pipe (9) and the second air return pipe (10) are all provided with a liquid oxygen pump (11).

4. The high purity argon oxygen rectification column as claimed in claim 1, wherein: the argon gas detector (14) and the argon gas storage tank (16) are provided with two.

5. The high purity argon oxygen rectification column as claimed in claim 1, wherein: the argon gas storage tanks (16) are two, and the inner diameters of the two argon gas storage tanks (16) are the same.

6. The high purity argon oxygen rectification column as claimed in claim 1, wherein: the control box (17) is fixed on the right side of the rectifying tower shell (1).