Nitrogen-oxygen separation device

Abstract

The utility model discloses a nitrogen-oxygen separation device, which relates to the technical field of nitrogen-oxygen separation equipment and comprises a compressor module, a nitrogen-oxygen separation module and an oxygen storage module, the compressor module is communicated with the nitrogen-oxygen separation module, and the nitrogen-oxygen separation module is communicated with the oxygen storage module. A separation valve is arranged between the compressor module and the nitrogen-oxygen separation module, and a multi-way valve is arranged between the nitrogen-oxygen separation module and the oxygen storage module; the compressor module comprises an air inlet pipeline, and air enters the compressor module through the air inlet pipeline. The nitrogen-oxygen separation module comprises a drying section and a nitrogen-oxygen separation section, and air flowing in from the compressor module firstly flows through the drying section and then flows to the nitrogen-oxygen separation section. According to the nitrogen-oxygen separation device, nitrogen-oxygen separation is carried out on air, and a drying section in the nitrogen-oxygen separation module can be scoured by virtue of separated nitrogen, so that a drying agent is dehydrated, the service life of the drying agent is prolonged, the overall service life of equipment can be further prolonged, and the use cost of the equipment can be reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to nitrogen oxygen separation equipment technical field, concretely is a kind of nitrogen oxygen separation device. BACKGROUND

[0002] Air is the mixed gas in our surrounding environment, mainly by nitrogen, oxygen, water vapor and a small amount of other gases, air is widely used, it is not only the cornerstone of life, also is the medium of human activities and nature interaction, air is crucial to the ecological system on earth and human activities, it is the key medium connecting biological and non-biological environment, with the development of human society, air quality management and protection become more and more important, however, oxygen and nitrogen separation in air is an industrial process involving physical and chemical principles, the main purpose is to obtain pure oxygen and nitrogen.

[0003] But common and low nitrogen oxygen separation mostly adopts air to separate oxygen and nitrogen by molecular sieve, although it can be separated by nitrogen and oxygen, so that oxygen or nitrogen can be prepared, but if air humidity is high, adsorption capacity is poor after entering molecular sieve, so that oxygen concentration is low, so it is necessary to carry out drying treatment, thereby increasing oxygen separation cost, so we propose a kind of nitrogen oxygen separation device to solve the above problems. UTILITY MODEL CONTENT

[0004] In view of the deficiencies of prior art, the utility model provides a kind of nitrogen oxygen separation device, solve although it can be separated by nitrogen and oxygen, so that oxygen or nitrogen can be prepared, but if air humidity is high, adsorption capacity is poor after entering molecular sieve, so that oxygen concentration is low, so it is necessary to carry out drying treatment, thereby increasing oxygen separation cost.

[0005] To achieve the above object, the utility model is realized by the following technical scheme: a kind of nitrogen oxygen separation device, including compressor module, nitrogen oxygen separation module and oxygen storage module, compressor module is communicated with nitrogen oxygen separation module, nitrogen oxygen separation module is communicated with oxygen storage module, separation valve is arranged between compressor module and nitrogen oxygen separation module, and multiple-way valve is arranged between nitrogen oxygen separation module and oxygen storage module;Compressor module includes air inlet pipeline, and air enters compressor module by air inlet pipeline;Nitrogen oxygen separation module includes drying section and nitrogen oxygen separation section, and the air flowing from compressor module first flows through drying section and then flows to nitrogen oxygen separation section.

[0006] Further, the nitrogen oxygen separation module includes at least two groups of separation towers, each of which has a drying section and a nitrogen oxygen separation section, and the multiple-way valve connects the two groups of separation towers and the oxygen storage module.

[0007] Further, the nitrogen separated by the nitrogen-oxygen separation section is returned to the drying section, and the oxygen separated by the nitrogen-oxygen separation section is sent to the oxygen storage module through the multi-way valve.

[0008] Further, the separation valve is in communication with the nitrogen outlet, and the nitrogen returned to the drying section is discharged from the nitrogen outlet through the separation valve.

[0009] Further, the oxygen storage module comprises an oxygen storage tank, a flow sensor and an oxygen concentration sensor.

[0010] Further, the control module is electrically connected with the compressor module, the separation valve, the flow sensor and the oxygen concentration sensor.

[0011] Further, the flow sensor and the oxygen concentration sensor are arranged before and after the oxygen storage tank.

[0012] Further, the nitrogen-oxygen separation section is an oxygen molecular sieve.

[0013] Advantages

[0014] The nitrogen-oxygen separation device has the following advantages compared with the prior art.

[0015] When nitrogen-oxygen separation is needed, the compressor module is used to pump the air outside to the nitrogen-oxygen separation module, and the air flowing through the nitrogen-oxygen separation module is preliminarily dried, so that the water in the air is removed. The nitrogen separated by the nitrogen-oxygen separation module is returned to the drying section in the nitrogen-oxygen separation module, and the nitrogen is used to blow and dry the drying section. The separation valve is used to backflush the drying section in the nitrogen-oxygen separation module. When the nitrogen is returned, the nitrogen has high pressure and high temperature. The high-temperature and high-pressure nitrogen can quickly blow the drying section, and the water accumulated in the nitrogen-oxygen separation module can be discharged with the nitrogen, so that the drying section in the nitrogen-oxygen separation module is cleaned, the service life of the drying section is prolonged, and the oxygen concentration and the nitrogen-oxygen separation cost are ensured. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 The utility model provides a kind of nitrogen-oxygen separation device. Compared with prior art, it has the following advantages:

[0017] Figure 2 The utility model provides a kind of nitrogen-oxygen separation device. Compared with prior art, it has the following advantages:

[0018] REFERENCE NUMBERS

[0019] 1 compressor module

[0020] 11 intake pipeline

[0021] 12 air compressor

[0022] 13 Cooling components

[0023] 14. Filter screen

[0024] 15 Filters

[0025] 2 Nitrogen-Oxygen Separation Module

[0026] 20 Separation Tower

[0027] 21 Drying Section

[0028] 22 Nitrogen-Oxygen Separation Section

[0029] 3 Oxygen Storage Module

[0030] 31 Oxygen Storage Tank

[0031] 32 Flow Sensors

[0032] 33 Oxygen Concentration Sensor

[0033] 4. Separation valve

[0034] 5-way valve

[0035] 6 Nitrogen outlet Detailed Implementation

[0036] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0037] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0038] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" 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 an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0039] Please refer to Figure 1 A nitrogen-oxygen separation device, comprising a compressor module 1, a nitrogen-oxygen separation module 2 and an oxygen storage module 3, the compressor module 1 is communicated with the nitrogen-oxygen separation module 2, the nitrogen-oxygen separation module 2 is communicated with the oxygen storage module 3, a separation valve 4 is arranged between the compressor module 1 and the nitrogen-oxygen separation module 2, and a multi-way valve 5 is arranged between the nitrogen-oxygen separation module 2 and the oxygen storage module 3.

[0040] The compressor module 1 comprises an air inlet pipeline 11, an air compressor 12 and a cooling assembly 13, air enters the air compressor 12 through the air inlet pipeline 11, and the compressed air is cooled through the cooling module 13, a filter screen 14 and a filter 15 are arranged in the air inlet pipeline 11, which can filter impurities and dust in the air to avoid damage to the air compressor 12 caused by impurities and dust.

[0041] The nitrogen-oxygen separation module 2 comprises a drying section 21 and a nitrogen-oxygen separation section 22, a drying agent is arranged in the drying section 21, and an oxygen molecular sieve is arranged in the nitrogen-oxygen separation section 22, which is used for separating nitrogen and oxygen, the compressed air flowing from the compressor module 1 first flows through the drying section 21 and then flows to the nitrogen-oxygen separation section 22, the nitrogen separated by the nitrogen-oxygen separation section 22 flows back to the drying section 21, and the oxygen separated by the nitrogen-oxygen separation section 22 flows to the oxygen storage module through the multi-way valve 5.

[0042] More specifically, the nitrogen-oxygen separation module 2 comprises at least two groups of separation towers 20, each of which has a drying section 21 and a nitrogen-oxygen separation section 22, the multi-way valve 5 connects the two groups of separation towers 20 and the oxygen storage module 3, the separation valve 4 is communicated with a nitrogen outlet 6, air from the compressor module 1 flows to the drying section 21 of the first group of separation towers 20 for drying, and then flows to the nitrogen-oxygen separation section 22 to separate oxygen and nitrogen, the separated oxygen flows to the oxygen storage module 3 through the multi-way valve 4, and at the same time the separation valve 4 rotates, the separated nitrogen flows back to the drying section 21, the nitrogen flow is used to blow the water vapor in the drying section 21, and the water vapor is discharged together from the nitrogen outlet 6 connected with the separation valve 4, at this time, due to the action of the separation valve 4, the air flowing through the compressor module 1 flows into the second group of separation towers 20 for separation of nitrogen and oxygen, and then the nitrogen is blown into the drying section 21 of the second group of separation towers 20, so that the drying of the drying section 21 in the separation tower 20 is continuously carried out, and the service life of the drying agent in the drying section 21 is improved.

[0043] The oxygen storage module 3 comprises an oxygen storage tank 31, a flow sensor 32 and an oxygen concentration sensor 33, and the oxygen separated by the nitrogen-oxygen separation module 2 flows to the oxygen storage module 3; the flow sensor 32 and the oxygen concentration sensor 33 can be arranged before or after the oxygen storage tank 31, or can be arranged before and after the oxygen storage tank 31 at the same time; when the flow sensor 32 and the oxygen concentration sensor 33 are arranged before the oxygen storage tank 31, the separated oxygen after the oxygen separation module 2 can be monitored to determine the oxygen separation efficiency of the separation tower 20 in the oxygen separation module 2, which can be used as a reference for the service life of the separation tower 20; in addition, the oxygen storage tank 31 can be further connected with an external oxygen equipment; when the flow sensor 32 and the oxygen concentration sensor 33 are arranged after the oxygen storage tank 31, the oxygen use of the external oxygen equipment can be monitored, and the external oxygen equipment can be a household oxygen cabin, a medical oxygen cabin or an oxygen generator.

[0044] Further, the control module (not shown in the figure) is further included in the embodiment, the control module is electrically connected with the compressor module, the flow sensor, the oxygen concentration sensor and the separation valve, so that the air compressor rotating speed in the compressor module, the separation valve and the data of the flow sensor and the oxygen concentration sensor can be controlled.

[0045] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only preferred examples of the present application and do not limit the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A nitrogen-oxygen separation device, comprising a compressor module, a nitrogen-oxygen separation module and an oxygen storage module, characterized in that: the compressor module is in communication with the nitrogen-oxygen separation module, the nitrogen-oxygen separation module is in communication with the oxygen storage module, a separation valve is arranged between the compressor module and the nitrogen-oxygen separation module, and a multi-way valve is arranged between the nitrogen-oxygen separation module and the oxygen storage module; the compressor module comprises an air inlet pipeline through which air enters the compressor module; the nitrogen-oxygen separation module comprises a drying section and a nitrogen-oxygen separation section, and air flowing from the compressor module first flows through the drying section and then flows to the nitrogen-oxygen separation section.

2. A device for separating nitrogen and oxygen as claimed in claim 1, characterized in that: The nitrogen-oxygen separation module comprises at least two groups of separation towers, each of which has the drying section and the nitrogen-oxygen separation section, and the multi-way valve connects the two groups of separation towers and the oxygen storage module.

3. A device for separating nitrogen and oxygen as claimed in claim 2, characterized in that: The nitrogen separated by the nitrogen-oxygen separation section flows back through the drying section, and the oxygen separated by the nitrogen-oxygen separation section flows to the oxygen storage module through the multi-way valve.

4. A device for separating nitrogen and oxygen as claimed in claim 3, characterized in that: The separation valve is in communication with a nitrogen outlet, and the nitrogen flowing back through the drying section is discharged from the nitrogen outlet through the separation valve.

5. The device of claim 1, wherein: The oxygen storage module comprises an oxygen storage tank, a flow sensor and an oxygen concentration sensor.

6. A device for separating nitrogen and oxygen as claimed in claim 5, characterized in that: Further comprising a control module, which is electrically connected with the compressor module, the separation valve, the flow sensor and the oxygen concentration sensor.

7. A device for separating nitrogen and oxygen as claimed in claim 5, wherein: The flow sensor and the oxygen concentration sensor are arranged before and after the oxygen storage tank.

8. The device of claim 1, wherein: The nitrogen-oxygen separation section is an oxygen molecular sieve.

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