Adsorption tower structure for oxygen generator

Abstract

The utility model discloses an adsorption tower structure for an oxygen generator, which comprises an adsorption tower, a gas inlet and a gas outlet, the interior of the adsorption tower is hollow to form an accommodating space, and the adsorption tower is provided with a gas inlet and a gas outlet which are communicated with the accommodating space; the drainage plate is assembled in the containing space, and a plurality of drainage holes distributed in a matrix mode are formed in the drainage plate; one end of the air inlet flow guide pipe is arranged corresponding to the drainage hole, and the air inlet flow guide pipe is used for slowing down the flow speed of air; the plurality of adsorption layers are arranged in the accommodating space and are arranged at intervals; the gas flow distributors are assembled between the two adjacent adsorption layers, and the gas flow distributors are used for slowing down the flow velocity of gas. By arranging the gas inlet flow guide pipe and the gas flow distributor, the flow velocity of gas can be slowed down, and the gas can stay in the adsorption tower for a long time, so that the uniform flow velocity and uniform adsorbed effect of the gas are realized.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oxygen generator technical field especially relates to an oxygen generator is with adsorption tower structure. BACKGROUND

[0002] The existing oxygen generator adsorption tower mainly adopts molecular sieve adsorption principle, separates oxygen from air through pressure swing adsorption (PSA) technology.

[0003] The traditional adsorption tower is uneven in the adsorption process, high-speed airflow can cause the adsorbent particles to be blown up, wear and tear, reduce the service life and adsorption performance of the adsorbent; at the same time, the gas stays in the adsorption tower for too short a time, cannot fully contact with the adsorbent, affects the purity and efficiency of oxygen production. Based on this, an oxygen generator is with adsorption tower structure is designed. SUMMARY

[0004] In order to overcome at least one of the defects of the prior art, the utility model provides an oxygen generator is with adsorption tower structure. By setting the air inlet guide pipe and the airflow distributor, the flow rate of the gas can be slowed down, and the gas can be kept in the adsorption tower for a long time, so that the gas realizes uniform flow rate and uniform adsorption effect.

[0005] The utility model discloses an oxygen generator is with adsorption tower structure, which can slow down the flow rate of the gas, keep the gas in the adsorption tower for a long time, realize uniform flow rate and uniform adsorption effect, and improve the service life and adsorption performance of the adsorbent.

[0006] An oxygen generator is with adsorption tower structure, which comprises: an adsorption tower, the adsorption tower is hollow inside to form a containing space, and the adsorption tower is provided with an air inlet and an air outlet which communicate with the containing space; a flow guide plate, the flow guide plate is assembled in the containing space, and a plurality of flow guide holes are arranged on the flow guide plate in a matrix distribution; an air inlet guide pipe, one end of the air inlet guide pipe is correspondingly arranged with the flow guide hole, and the air inlet guide pipe is used for slowing down the flow rate of the gas; a plurality of adsorption layers, the plurality of adsorption layers are arranged in the containing space and are spaced apart; and an airflow distributor, the airflow distributor is assembled between two adjacent adsorption layers, and the airflow distributor is used for slowing down the flow rate of the gas.

[0007] By adopting the above scheme, the flow rate of the gas can be slowed down by setting the air inlet guide pipe and the airflow distributor, the gas can be kept in the adsorption tower for a long time, the gas realizes uniform flow rate and uniform adsorption effect.

[0008] Further, the inside of the air inlet guide pipe is provided with a spiral flow guide piece.

[0009] By adopting the above scheme, the airflow can be formed into a spiral slow descent by the flow guide piece, the initial flow rate of the air inlet is effectively reduced, and the gas uniformly enters the adsorption layer.

[0010] Further, a filter screen is arranged at the other end of the air inlet guide pipe.

[0011] By using the above scheme, the air flow can be further uniformly dispersed through the filter screen.

[0012] Further, the adsorption layer is provided with two layers, and the adsorption layer is made of molecular sieve.

[0013] By using the above scheme, the nitrogen molecules and impurities in the gas can be adsorbed through the molecular sieve.

[0014] Further, the air flow distributor is provided with air flow holes.

[0015] By using the above scheme, the gas can pass through the air flow holes conveniently.

[0016] Further, the cross section of the air flow hole is V-shaped or S-shaped.

[0017] By using the above scheme, the flow rate of the gas passing through the air flow hole can be adjusted, so that the specific air flow is avoided. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 is a schematic diagram of the three-dimensional structure of the embodiment of the present application;

[0019] Figure 2 is a schematic diagram of the cross-sectional structure of the embodiment of the present application;

[0020] Figure 3 is a schematic diagram of the cross-sectional structure of the air inlet guide pipe of the embodiment of the present application;

[0021] Among them, the meaning of the reference signs is as follows: 1, adsorption tower; 11, containing space; 12, air inlet; 13, air outlet; 2, drainage plate; 21, drainage hole; 3, air inlet guide pipe; 31, guide vane; 32, filter screen; 4, adsorption layer; 5, air flow distributor; 51, air flow hole. DETAILED DESCRIPTION

[0022] In order to better understand and implement, the technical solutions in the embodiments of the present application will be described and discussed clearly and completely in combination with the drawings of the present application. Obviously, only some examples of the present application are described here, and not all examples. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the present application.

[0023] In order to facilitate the understanding of the embodiments of the present application, the following will be further explained and described in combination with specific embodiments as examples, and each embodiment does not constitute a limitation on the embodiments of the present application.

[0024] In the description of the utility model, it is to explain, the terms "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and so on indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawing, just for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, therefore it cannot be understood as a limitation on the utility model.

[0025] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terms used in the specification of the utility model herein are only for the purpose of describing the specific embodiments and are not intended to limit the utility model.

[0026] Referring to Figure 1 and Figure 2 , the utility model discloses a kind of adsorption tower 1 structure for oxygen generator: including adsorption tower 1, drainage plate 2, gas inlet guide pipe 3 and airflow distributor 5, the hollow formation containing space 11 in adsorption tower 1, and the adsorption tower 1 is equipped with gas inlet 12 and gas outlet 13 with the containing space 11 communication, the drainage plate 2 is assembled in the containing space 11, the drainage plate 2 is fixedly connected with the inner side wall of adsorption tower 1, a plurality of drainage holes 21 in matrix distribution are formed in the drainage plate 2, one end of the gas inlet guide pipe 3 is correspondingly arranged with the drainage hole 21, the gas inlet guide pipe 3 is used to slow down the flow rate of gas, a plurality of adsorption layers 4 are arranged in the containing space 11, and are spaced apart, the airflow distributor 5 is assembled between two adjacent adsorption layers 4, and the gas distributor is used to slow down the flow rate of gas. By setting gas inlet guide pipe 3 and airflow distributor 5, the flow rate of gas can be slowed down, long time stays in adsorption tower 1, so that gas realizes uniform flow rate and uniform adsorption effect.

[0027] Referring to Figure 2 , the adsorption layer 4 is provided with two layers, and the adsorption layer 4 uses molecular sieve, and nitrogen molecules and impurities in gas are adsorbed by molecular sieve.

[0028] Referring to Figure 2 , airflow hole 51 is formed in the airflow distributor 5, and gas passes through airflow hole 51. The cross section of the airflow hole 51 is V-shaped or S-shaped, so that the flow rate of gas can be adjusted when passing through airflow hole 51, to avoid too fast gas flow.

[0029] Referring to Figure 3In the embodiment, the inside of the air inlet guide pipe 3 is hollow and provided with spiral guide vanes 31, through which the air flow is formed into a spiral and slowly falls down, effectively reducing the initial flow rate of the air inlet, so that the air uniformly enters the adsorption layer 4.

[0030] In some embodiments, the air inlet guide pipe 3 is provided with a filter screen 32 at the other end, through which the air flow can be further uniformly dispersed.

[0031] The air inlet 12 is arranged at the bottom of the adsorption tower 1, the air outlet 13 is arranged at the top of the adsorption tower 1, the flow guide plate 2 is arranged close to the air inlet 12, the air flow distributor 5 is arranged close to the air outlet 13, and the adsorption layer 4 is arranged above and below the air flow distributor 5.

[0032] The working principle and steps of the utility model are as follows: in use, the gas is introduced into the adsorption tower 1 through the air inlet 12, the gas passes through the flow guide holes 21 on the flow guide plate 2 and enters the air inlet guide pipe 3, the gas flow rate is slowed down through the guide vanes 31 on the air inlet guide pipe 3, the gas passes through the filter screen 32 to further disperse the air flow, is then subjected to primary adsorption and filtration through the adsorption layer 4, and then enters the air flow distributor 5 to slow down the air flow again, and is subjected to secondary filtration through the adsorption layer 4 and is discharged from the air outlet 13.

[0033] The technical means disclosed in the utility model scheme is not limited to the technical means disclosed in the above-mentioned embodiments, but also includes technical solutions composed of any combination of the above technical features. It should be noted that for ordinary skilled persons in the art, without departing from the principles of the utility model, a number of improvements and refinements can be made, which are also considered within the protection scope of the utility model.

Claims

1. A structure of an adsorption column for an oxygen generator, characterized by comprising: The application relates to an adsorption tower. The adsorption tower is internally hollow to form an accommodating space, and an air inlet and an air outlet are arranged on the adsorption tower and communicate with the accommodating space. A flow guide plate is arranged in the accommodating space, and a plurality of flow guide holes are arranged on the flow guide plate in a matrix mode. An air inlet flow guide pipe is arranged at one end of the flow guide hole, and the air inlet flow guide pipe is used for slowing down the flow rate of gas. A plurality of adsorption layers are arranged in the accommodating space and are spaced apart. An air flow distributor is arranged between two adjacent adsorption layers, and the air flow distributor is used for slowing down the flow rate of gas.

2. The adsorption column structure for an oxygen generator according to claim 1, wherein The air inlet flow guide pipe is internally hollow and is provided with a spiral flow guide fin.

3. The adsorption column structure for an oxygen generator according to claim 2, wherein A filter screen is arranged at the other end of the air inlet flow guide pipe.

4. The adsorption column structure for an oxygen generator according to claim 3, wherein The adsorption layer is provided with two layers, and the adsorption layer is made of molecular sieve.

5. The adsorption column structure for an oxygen generator according to claim 4, wherein An air flow hole is arranged on the air flow distributor.

6. The adsorption column structure for an oxygen generator according to claim 5, wherein The cross section of the air flow hole is V-shaped or S-shaped.

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