Pressure swing adsorption nitrogen making machine

Abstract

The utility model discloses a pressure swing adsorption nitrogen making machine which comprises a base and a pressure swing adsorption nitrogen making machine body arranged at the top end of the base, a filter box connected with the pressure swing adsorption nitrogen making machine body is arranged on one side of the pressure swing adsorption nitrogen making machine body, an air suction opening is formed in the side, away from the pressure swing adsorption nitrogen making machine body, of the filter box, and symmetrical insertion grooves are formed in the front end face of the filter box. A heat dissipation mechanism is arranged at the top end of the pressure swing adsorption nitrogen making machine. The device has the beneficial effects that temperature exchange with an inner cavity of the pressure swing adsorption nitrogen making machine is carried out through the arranged multiple sets of air channels, then air in the air channels is heated and expanded, then hot air flow is discharged through cooperation of the cooling fan and the air pressure difference, the temperature of the device is controlled, and heat at the bottom ends in the air channels is discharged through the heat conduction patches via the base; the device has the optimal use temperature; and when air is sucked, a filter plate or an activated carbon plate can be selectively inserted into the filter box according to different sucked air, flexibility is achieved, and the applicability of the device can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of nitrogen generators, in particular to a pressure swing adsorption nitrogen generator. Background Art

[0002] The pressure swing adsorption nitrogen generator is a nitrogen production equipment designed and manufactured according to the pressure swing adsorption technology. It uses carbon molecular sieve as adsorbent and air as raw material, and adopts the principle of pressure swing adsorption at normal temperature to separate nitrogen from the air.

[0003] When the existing equipment is in use, it will suck in moisture and impurities in the air when extracting air, which will cause damage to the adsorbent in the adsorption tower. When used for a long time, the temperature of the device may be higher than the optimal operating temperature, which will affect the work efficiency.

[0004] Currently, no effective solution has been proposed for the problems in the related technologies. Summary of the invention

[0005] In view of the problems in the related technology, the utility model proposes a pressure swing adsorption nitrogen generator to overcome the above technical problems existing in the existing related technology.

[0006] To this end, the specific technical solutions adopted by the utility model are as follows:

[0007] A pressure swing adsorption nitrogen generator comprises a base and a pressure swing adsorption nitrogen generator arranged at the top of the base, a filter box connected to the pressure swing adsorption nitrogen generator is arranged on one side of the pressure swing adsorption nitrogen generator, an air suction port is arranged on the side of the filter box away from the pressure swing adsorption nitrogen generator, a symmetrically arranged slot is opened on the front face of the filter box, and a heat dissipation mechanism is arranged on the top of the pressure swing adsorption nitrogen generator.

[0008] Preferably, the pressure swing adsorption nitrogen generator is provided with symmetrically arranged adsorption towers, one end of the two groups of adsorption towers is provided with a connecting pipe connected to the filter box, the other end of the two groups of adsorption towers is connected to an air outlet arranged on the outer wall of the pressure swing adsorption nitrogen generator through a pipeline, and one side of the air outlet is provided with a sliding cover plate matching it.

[0009] Preferably, a filter plate is provided in a group of the slots near the air intake port, and an activated carbon plate is provided in another group of the slots. Frames are provided around the filter plate and the activated carbon plate, and a handle is provided at one end of the frame away from the filter box.

[0010] Preferably, the heat dissipation mechanism includes several groups of air ducts arranged in the interlayer of the pressure swing adsorption nitrogen generator, any group of the air ducts are in contact with the inner wall of the pressure swing adsorption nitrogen generator, any group of the air ducts are provided with a heat dissipation fan at the top, and a heat conductive patch is provided on the bottom end surface of the air duct, and the heat conductive patch is in contact with the base. Preferably, a control panel is provided on the outer surface of the pressure swing adsorption nitrogen generator, the base is made of a heat conductive material, and a door matching the two groups of adsorption towers is provided on the front face of the pressure swing adsorption nitrogen generator.

[0011] The beneficial effects of the utility model are as follows: through the multiple groups of air ducts, the temperature exchange is carried out with the inner chamber of the pressure swing adsorption nitrogen generator, and then the air in the air duct expands due to the heat, thereby forming an air pressure difference between the air duct and the outside, and then the hot air flow is discharged by the heat dissipation fan in combination with the air pressure difference, so as to achieve the purpose of cooling the device, and the heat at the bottom end of the air duct will be discharged through the base through the heat conductive patch. Since the device has an optimal operating temperature, there is no need for a mechanism with an overly obvious cooling effect; and when extracting air, a filter plate or an activated carbon plate can be selectively inserted into the filter box according to the differentiation of the extracted air, which has flexibility and can improve the applicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0013] Figure 1 This is an appearance diagram of a pressure swing adsorption nitrogen generator according to an embodiment of the utility model;

[0014] Figure 2 It is a schematic diagram of the internal structure of a nitrogen generator in a pressure swing adsorption nitrogen generator according to an embodiment of the utility model;

[0015] Figure 3 It is a schematic diagram of a frame for loading filter plates in a pressure swing adsorption nitrogen generator according to an embodiment of the utility model.

[0016] In the figure:

[0017] 1. Base; 2. Pressure swing adsorption nitrogen generator; 3. Filter box; 4. Air inlet; 5. Slot; 6. Adsorption tower; 7. Air outlet; 8. Filter plate; 9. Activated carbon plate; 10. Frame; 11. Air duct; 12. Cooling fan; 13. Thermal pad; 14. Control panel; 15. Connecting pipe. DETAILED DESCRIPTION

[0018] To further illustrate each embodiment, the utility model provides drawings, which are part of the disclosure of the utility model, and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these contents, ordinary technicians in the field should be able to understand other possible implementations and advantages of the utility model. The components in the figures are not drawn to scale, and similar component symbols are generally used to represent similar components. According to an embodiment of the utility model, a pressure swing adsorption nitrogen generator is provided. Example

[0019] like Figure 1 As shown, the pressure swing adsorption nitrogen generator according to the embodiment of the utility model includes a base 1 and a pressure swing adsorption nitrogen generator 2 arranged at the top of the base 1, a filter box 3 connected to the pressure swing adsorption nitrogen generator 2 is provided on one side of the pressure swing adsorption nitrogen generator 2, a suction port 4 is provided on the side of the filter box 3 away from the pressure swing adsorption nitrogen generator 2, a symmetrically arranged slot 5 is opened on the front face of the filter box 3, a heat dissipation mechanism is provided on the top of the pressure swing adsorption nitrogen generator 2, a control panel 14 is provided on the outer surface of the pressure swing adsorption nitrogen generator 2, the base 1 is made of heat conductive material, and a warehouse door matching two groups of adsorption towers 6 is provided on the front face of the pressure swing adsorption nitrogen generator 2. Example

[0020] like Figure 1-3 As shown, the pressure swing adsorption nitrogen generator 2 is provided with symmetrically arranged adsorption towers 6, one end of the two groups of adsorption towers 6 is provided with a connecting pipe 15 connected to the filter box 3, the other end of the two groups of adsorption towers 6 is connected to the air outlet 7 arranged on the outer wall of the pressure swing adsorption nitrogen generator 2 through a pipeline, and a sliding cover plate matching it is provided on one side of the air outlet 7, a group of slots 5 close to the air inlet 4 is provided with a filter plate 8, and another group of slots 5 is provided with an activated carbon plate 9, and the filter plate 8 and the activated carbon plate 9 are both provided with a frame 10 on the periphery, and a handle is provided at the end of the frame 10 away from the filter box 3, and the heat dissipation mechanism includes a plurality of groups of air ducts 11 arranged in the interlayer of the pressure swing adsorption nitrogen generator 2, any group of air ducts 11 is in contact with the inner wall of the pressure swing adsorption nitrogen generator 2, and a heat dissipation fan 12 is provided at the top of any group of air ducts 11, and a heat conductive patch 13 is provided on the inner bottom end surface of the air duct 11, and the heat conductive patch 13 is in contact with the base 1.

[0021] In order to facilitate understanding of the above technical solution of the present invention, the working principle or operation method of the present invention in the actual process is described in detail below.

[0022] In actual application, the heat generated by the device will be transferred to the air duct 11 by heat transfer from the pressure swing adsorption nitrogen generator 2 through the air duct 11, and then the thermal expansion and contraction of the air will be utilized to gradually increase the hot air flow, and then it will be discharged through the cooling fan 12. The hot air flow accumulated at the bottom of the air duct 11 may be difficult to be discharged by the cooling fan 12 due to the long distance, and the heat in the air duct 11 can be further reduced by heat exchange with the outside through the provided thermal patch 13 and the base 1, and when the cooling fan 12 is turned off, the outside normal temperature air flow will enter the air duct 11 as the next heat dissipation medium; the working principle of the nitrogen generator is common knowledge known to people in this field and will not be elaborated here.

[0023] To sum up, with the help of the above-mentioned technical scheme of the utility model, the temperature of the multiple groups of air ducts will be exchanged with the inner chamber of the pressure swing adsorption nitrogen generator through the arrangement, and then the air in the air duct will expand due to the heat, and then a pressure difference will be formed between the air duct and the outside world, and then the hot air flow will be discharged by the heat dissipation fan in combination with the pressure difference, so as to achieve the purpose of cooling the device, and the heat at the bottom of the air duct will be discharged through the base through the thermal conductive patch. Since the device has an optimal operating temperature, there is no need for a mechanism with too obvious cooling effect; and when extracting air, the filter plate or activated carbon plate can be selectively inserted into the filter box according to the differentiation of the extracted air, which is flexible and can improve the applicability of the device.

[0024] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure swing adsorption nitrogen generator, characterized in that: The invention comprises a base (1) and a pressure swing adsorption nitrogen generator (2) arranged at the top of the base (1); a filter box (3) connected to the pressure swing adsorption nitrogen generator (2) is arranged on one side of the pressure swing adsorption nitrogen generator (2); an air suction port (4) is arranged on the side of the filter box (3) away from the pressure swing adsorption nitrogen generator (2); a symmetrically arranged slot (5) is provided on the front face of the filter box (3); and a heat dissipation mechanism is arranged on the top of the pressure swing adsorption nitrogen generator (2).

2. A pressure swing adsorption nitrogen generator according to claim 1, characterized in that: The pressure swing adsorption nitrogen generator (2) is provided with symmetrically arranged adsorption towers (6), one end of the two groups of the adsorption towers (6) is provided with a connecting pipe (15) connected to the filter box (3), and the other end of the two groups of the adsorption towers (6) is connected to an air outlet (7) arranged on the outer wall of the pressure swing adsorption nitrogen generator (2) through a pipeline, and one side of the air outlet (7) is provided with a sliding cover plate matching the air outlet (7).

3. A pressure swing adsorption nitrogen generator according to claim 1, characterized in that: A filter plate (8) is provided in a group of the slots (5) close to the air inlet (4), and an activated carbon plate (9) is provided in another group of the slots (5). A frame (10) is provided around the filter plate (8) and the activated carbon plate (9), and a handle is provided at one end of the frame (10) away from the filter box (3).

4. A pressure swing adsorption nitrogen generator according to claim 1, characterized in that: The heat dissipation mechanism comprises a plurality of groups of air ducts (11) arranged in the interlayer of the pressure swing adsorption nitrogen generator (2), any group of the air ducts (11) being in contact with the inner wall of the pressure swing adsorption nitrogen generator (2), a heat dissipation fan (12) being arranged at the top of any group of the air ducts (11), a heat conductive patch (13) being arranged on the inner bottom end surface of the air duct (11), and the heat conductive patch (13) being in contact with the base (1).

5. A pressure swing adsorption nitrogen generator according to claim 2, characterized in that: The outer surface of the pressure swing adsorption nitrogen generator (2) is provided with a control panel (14), the base (1) is made of a heat-conducting material, and the front end surface of the pressure swing adsorption nitrogen generator (2) is provided with a compartment door matching the two groups of adsorption towers (6).

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