Air separation device

By designing a multi-stage adsorption tower and filtering assembly, the problem of impurities easily entering and insufficient separation during the diversion process of the prior art hollow partition device is solved, and efficient separation and purification of oxygen, nitrogen and rare gases are achieved.

CN222504676UActive Publication Date: 2025-02-18ZHEJIANG ZHIHAI CHEM EQUIP ENG CO LTD
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Patent Information

Application Number
CN202420883526.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-04-26
Publication Date
2025-02-18
Estimated Expiration
2034-04-26

AI Technical Summary

Technical Problem

The existing air separation device is prone to impurities during the diverting process and is not sufficiently separated.

Method used

An air separation device is designed, including multiple adsorption towers and storage tanks, and the separation and purification of oxygen, nitrogen and rare gases are achieved through the combination of multi-stage adsorption and filtration components, and the entry of impurities is prevented through the filtering components.

Benefits of technology

It effectively solves the problem of insufficient entry and separation of impurities, realizes efficient separation and purification of oxygen, nitrogen and rare gases, and improves the overall performance of the air separation device.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model provides an air separation device, and relates to the field of air separation equipment, and the air separation device comprises an air compressor, a first filter assembly, a first storage tank, a first delivery pump, a first adsorption tower, a second adsorption tower, a third adsorption tower, a fourth adsorption tower, a fifth adsorption tower, a second storage tank, a third storage tank and a fourth storage tank. The first adsorption tower is used for separating oxygen for the first time, then the second adsorption tower is used for separating nitrogen and rare gas, and then the third adsorption tower, the fourth adsorption tower and the fifth adsorption tower are used for purifying the oxygen, the nitrogen and the rare gas respectively; and finally, the air is stored through the second storage tank, the third storage tank and the fourth storage tank, and impurities in the air are filtered through the second filtering assembly in the operation process of the air purifier, so that the impurities are prevented from entering the first storage tank.
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Description

Technical Field

[0001] The present application relates to the field of air separation equipment, and in particular to an air separation equipment. Background Art

[0002] Air separation equipment is a device that uses air as raw material, converts air into liquid through compression cycle deep freezing, and then gradually separates and produces inert gases such as oxygen, nitrogen and argon from liquid air through distillation. Existing air separation devices are prone to impurities in the process of diversion, and there is a situation of insufficient separation. Summary of the invention

[0003] The purpose of the embodiments of the present application is to provide an air separation device that can solve the technical problems of easy entry of impurities and insufficient separation.

[0004] The embodiment of the present application provides an air separation device, including an air compressor, a first filter assembly, a first storage tank, a first delivery pump, a first adsorption tower, a second adsorption tower, a third adsorption tower, a fourth adsorption tower, a fifth adsorption tower, a second storage tank, a third storage tank, and a fourth storage tank, wherein the air outlet pipe of the air compressor is connected to the air inlet end of the first storage tank, the first filter assembly is installed between the air compressor and the first storage tank, the air outlet end of the first storage tank is connected to the air inlet end of the first delivery pump, the air outlet end of the first delivery pump is connected to the air inlet end of the first adsorption tower, the air outlet end of the upper end of the first adsorption tower is connected to the air inlet end of the second adsorption tower, the air outlet end of the side portion of the first adsorption tower is connected to the air inlet end of the third adsorption tower, the air outlet end of the third adsorption tower is connected to the second storage tank, the air outlet end of the upper end of the second adsorption tower is connected to the air inlet end of the fourth adsorption tower, the air outlet end of the fourth adsorption tower is connected to the third storage tank, the air outlet end of the side portion of the second adsorption tower is connected to the air inlet end of the fifth adsorption tower, and the air outlet end of the fifth adsorption tower is connected to the fourth storage tank.

[0005] Preferably, the air compressor is provided with valves between the first storage tank, between the first storage tank and the first adsorption tower, between the first adsorption tower and the second adsorption tower, between the second adsorption tower and the fourth adsorption tower, between the second adsorption tower and the fifth adsorption tower, and between the first adsorption tower and the third adsorption tower, and the valves are solenoid valves.

[0006] Preferably, a second filter assembly is provided between the first adsorption tower and the second adsorption tower, between the second adsorption tower and the fourth adsorption tower, between the second adsorption tower and the fifth adsorption tower, and between the first adsorption tower and the third adsorption tower.

[0007] Preferably, a heating component is provided inside the first adsorption tower, the second adsorption tower, the third adsorption tower, the fourth adsorption tower, and the fifth adsorption tower.

[0008] Preferably, the heating assembly comprises an annular heating wire.

[0009] Preferably, a third filter assembly is provided at the air inlet end of the air compressor.

[0010] Preferably, the first filter component, the second filter component and the third filter component all include filter cotton, and the filter cotton is detachable.

[0011] Beneficial effects of the utility model:

[0012] The utility model provides an air separation device, comprising an air compressor, a first filter assembly, a first storage tank, a first delivery pump, a first adsorption tower, a second adsorption tower, a third adsorption tower, a fourth adsorption tower, a fifth adsorption tower, a second storage tank, a third storage tank, and a fourth storage tank, wherein an air outlet pipe of the air compressor is connected to an air inlet end of the first storage tank, the first filter assembly is installed between the air compressor and the first storage tank, an air outlet end of the first storage tank is connected to an air inlet end of the first delivery pump, an air outlet end of the first delivery pump is connected to an air inlet end of the first adsorption tower, an air outlet end at an upper end of the first adsorption tower is connected to an air inlet end of the second adsorption tower, an air outlet end at a side portion of the first adsorption tower is connected to an air inlet end of the third adsorption tower, and an air outlet end of the third adsorption tower is connected to the second storage tank. The air outlet at the upper end of the second adsorption tower is connected to the air inlet of the fourth adsorption tower, the air outlet of the fourth adsorption tower is connected to the third storage tank, the air outlet at the side of the second adsorption tower is connected to the air inlet of the fifth adsorption tower, and the air outlet of the fifth adsorption tower is connected to the fourth storage tank. When the utility model is in use, the first oxygen separation can be performed through the first adsorption tower, and then the nitrogen and rare gases can be separated through the second adsorption tower, and then the oxygen, nitrogen and rare gases can be purified by the third adsorption tower, the fourth adsorption tower and the fifth adsorption tower respectively, and finally they are stored in the second storage tank, the third storage tank and the fourth storage tank respectively. In addition, during the operation of the utility model, the second filter component can filter the impurities in the air to prevent the impurities from entering the first storage tank. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings required for use in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0014] Figure 1 It is a structural schematic diagram of the utility model.

[0015] The reference numerals are:

[0016] 1. Air compressor; 2. First filter assembly; 3. First storage tank; 4. First delivery pump; 5. First adsorption tower; 6. Second adsorption tower; 7. Third adsorption tower; 8. Fourth adsorption tower; 9. Fifth adsorption tower; 10. Second storage tank; 11. Third storage tank; 12. Fourth storage tank; 13. Valve; 14. Second filter assembly; 15. Third filter assembly. DETAILED DESCRIPTION

[0017] In order to make the purpose, technical solution and advantages of the embodiments of the present application clearer, the technical solution in the embodiments of the present application will be clearly and completely described below in conjunction with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, rather than all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0018] Therefore, the following detailed description of the embodiments of the present application provided in the accompanying drawings is not intended to limit the scope of the present application for which protection is sought, but merely represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by ordinary technicians in the field without creative work are within the scope of protection of the present application.

[0019] It should be noted that similar reference numerals and letters denote similar items in the following drawings, and therefore, once an item is defined in one drawing, further definition and explanation thereof is not required in subsequent drawings.

[0020] In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, or the positions or positional relationships in which the product of the application is usually placed when in use. They are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific position, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second", "third", etc. are only used to distinguish the description, and cannot be understood as indicating or implying relative importance.

[0021] In addition, the terms "horizontal", "vertical", "overhanging" and the like do not mean that the components are required to be absolutely horizontal or overhanging, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0022] In the description of this application, it should also be noted that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two elements. For ordinary technicians in this field, the specific meanings of the above terms in this application can be understood according to specific circumstances.

[0023] like Figure 1As shown, an air separation device includes an air compressor 1, a first filter assembly 2, a first storage tank 3, a first delivery pump 4, a first adsorption tower 5, a second adsorption tower 6, a third adsorption tower 7, a fourth adsorption tower 8, a fifth adsorption tower 9, a second storage tank 10, a third storage tank 11, and a fourth storage tank 12, wherein the air outlet pipe of the air compressor 1 is connected to the air inlet end of the first storage tank 3, the first filter assembly 2 is installed between the air compressor 1 and the first storage tank 3, the air outlet end of the first storage tank 3 is connected to the air inlet end of the first delivery pump 4, the air outlet end of the first delivery pump 4 is connected to the air inlet end of the first adsorption tower 5, the air outlet end of the upper end of the first adsorption tower 5 is connected to the air inlet end of the second adsorption tower 6, the air outlet end of the side of the first adsorption tower 5 is connected to the air inlet end of the third adsorption tower 7, and the air outlet end of the third adsorption tower 7 is connected to the second storage tank 10. Then, the gas outlet end at the upper end of the second adsorption tower 6 is connected to the gas inlet end of the fourth adsorption tower 8, the gas outlet end of the fourth adsorption tower 8 is connected to the third storage tank 11, the gas outlet end on the side of the second adsorption tower 6 is connected to the gas inlet end of the fifth adsorption tower 9, and the gas outlet end of the fifth adsorption tower 9 is connected to the fourth storage tank 12. When the utility model is in use, the first oxygen separation can be performed through the first adsorption tower 5, and then the nitrogen and rare gas can be separated through the second adsorption tower, and then the oxygen, nitrogen and rare gas can be purified by the third adsorption tower 7, the fourth adsorption tower 8 and the fifth adsorption tower 9, respectively, and finally stored in the second storage tank 10, the third storage tank 11 and the fourth storage tank 12 respectively. In addition, during the operation of the utility model, the second filter component 14 can be used to filter impurities in the air to prevent impurities from entering the first storage tank 3.

[0024] like Figure 1 As shown, in this embodiment, the air compressor 1 is provided with valves 13 between the first storage tank 3, between the first storage tank 3 and the first adsorption tower 5, between the first adsorption tower 5 and the second adsorption tower 6, between the second adsorption tower 6 and the fourth adsorption tower 8, between the second adsorption tower 6 and the fifth adsorption tower 9, and between the first adsorption tower 5 and the third adsorption tower 7, and the valve 13 is a solenoid valve.

[0025] like Figure 1 As shown, in this embodiment, a second filter component 14 is provided between the first adsorption tower 5 and the second adsorption tower 6, between the second adsorption tower 6 and the fourth adsorption tower 8, between the second adsorption tower 6 and the fifth adsorption tower 9, and between the first adsorption tower 5 and the third adsorption tower 7. The second filter component 14 of the utility model can perform secondary filtration.

[0026] like Figure 1As shown, in this embodiment, a heating component is provided inside the first adsorption tower 5, the second adsorption tower 6, the third adsorption tower 7, the fourth adsorption tower 8, and the fifth adsorption tower 9. The heating component includes an annular heating wire. The heating component of the utility model can enhance the Brownian motion of the gas and accelerate the separation or purification of the gas.

[0027] like Figure 1 As shown, in this embodiment, a third filter assembly 15 is provided at the air inlet end of the air compressor 1 . The third filter assembly 15 of the utility model can prevent impurities from entering the interior of the air compressor 1 .

[0028] like Figure 1 As shown, / tmp / A$C1b99c03e.DWG In this embodiment, in order to facilitate the replacement of filter cotton, the first filter component 2, the second filter component 14, and the third filter component 15 all include filter cotton, and the filter cotton is detachable.

[0029] The above are only preferred embodiments of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the present application.

Claims

1. An air separation unit, characterized in that: It includes an air compressor, a first filter component, a first storage tank, a first delivery pump, a first adsorption tower, a second adsorption tower, a third adsorption tower, a fourth adsorption tower, a fifth adsorption tower, a second storage tank, a third storage tank, and a fourth storage tank. The air outlet pipe of the air compressor is connected to the air inlet end of the first storage tank. The first filter component is installed between the air compressor and the first storage tank. The air outlet end of the first storage tank is connected to the air inlet end of the first delivery pump. The air outlet end of the first delivery pump is connected to the air inlet end of the first adsorption tower. The air outlet end of the upper end of the first adsorption tower is connected to the air inlet end of the second adsorption tower. The air outlet end of the side of the first adsorption tower is connected to the air inlet end of the third adsorption tower. The air outlet end of the third adsorption tower is connected to the second storage tank. The air outlet end of the upper end of the second adsorption tower is connected to the air inlet end of the fourth adsorption tower. The air outlet end of the fourth adsorption tower is connected to the third storage tank. The air outlet end of the side of the second adsorption tower is connected to the air inlet end of the fifth adsorption tower. The air outlet end of the fifth adsorption tower is connected to the fourth storage tank.

2. An air separation device according to claim 1, characterized in that: The air compressor is provided with valves between the first storage tank, between the first storage tank and the first adsorption tower, between the first adsorption tower and the second adsorption tower, between the second adsorption tower and the fourth adsorption tower, between the second adsorption tower and the fifth adsorption tower, and between the first adsorption tower and the third adsorption tower, and the valves are solenoid valves.

3. An air separation device according to claim 1, characterized in that: A second filter assembly is disposed between the first adsorption tower and the second adsorption tower, between the second adsorption tower and the fourth adsorption tower, between the second adsorption tower and the fifth adsorption tower, and between the first adsorption tower and the third adsorption tower.

4. An air separation device according to claim 1, characterized in that: A heating component is disposed inside the first adsorption tower, the second adsorption tower, the third adsorption tower, the fourth adsorption tower, and the fifth adsorption tower.

5. An air separation device according to claim 4, characterized in that: The heating component comprises a ring-shaped heating wire.

6. An air separation device according to claim 3, characterized in that: The air inlet end of the air compressor is provided with a third filter assembly.

7. An air separation device according to claim 6, characterized in that: The first filter component, the second filter component and the third filter component all include filter cotton, and the filter cotton is detachable.