Oxygen production core group for modularized oxygen production equipment

Abstract

The invention discloses an oxygen production core group for modularized oxygen production equipment, and belongs to the technical field of oxygen production equipment. The oxygen generation core set comprises a shell composed of an air compressor housing, a side plate and a base, an air compressor installed in the shell, oxygen generation units installed on the two sides of the air compressor housing, a silencing assembly installed on the top of the air compressor housing, a control device and a connecting pipeline used for air path communication of all components. And an air compressor of the oxygen generation core group is provided with double inlets and double outlets, so that compressed air can be supplied to the two oxygen generation units at the same time. The oxygen generating core groups can be used for continuous oxygen generation independently or in a combined mode, frequent replacement is not needed, the oxygen supply stability is good, a high-pressure container is not needed, the use safety is high, large-flux oxygen supply can be achieved through modular combination, and meanwhile it is not needed that the strength of an oxygen generating container meets the technical requirement of a pressure container.

Description

Technical Field

[0001] The invention belongs to the technical field of oxygen production equipment, and in particular relates to an oxygen production core group for modular oxygen production equipment. Background Art

[0002] As an important industrial raw material, oxygen has a huge demand in addition to its industrial applications in medical care and other civilian applications. In civilian applications, in addition to auxiliary treatment, physical recovery of athletes, and relief of sub-health conditions, oxygen also has a wide range of other uses, such as aquaculture, glass crafts production, and the construction of indoor diffuse environments.

[0003] In general, oxygen used in medical care is mainly for single-person oxygen inhalation, and oxygen concentrators below 10L can generally meet the oxygen demand. In applications such as aquaculture, glass craft production, and the construction of indoor diffuse environments, the oxygen demand is much greater than the demand for single-person oxygen inhalation, and much less than the amount used in large-scale industrial production such as metallurgy and chemical industry. For the demand for single-person oxygen inhalation for medical and household use, oxygen concentrators below 20L can generally meet the demand. For the above application scenarios, oxygen concentrators above 20L are generally required for oxygen supply.

[0004] In actual applications, users often use oxygen tanks as oxygen supply equipment. Although it has the advantage of low cost, the storage capacity of oxygen tanks is limited. For some usage scenarios that require continuous oxygen use, the interruption of oxygen supply during the replacement process of oxygen cylinders is obviously unacceptable. In addition, when the oxygen cylinder is insufficient, there will be problems with unstable oxygen supply. At the same time, oxygen tanks are pressure vessels and have relatively strict management and safety requirements in production and use. Oxygen generators, especially molecular sieve oxygen generators, have obvious advantages in continuous oxygen supply and safety of use. Since the specifications of oxygen generators for medical care are relatively small, there is a problem that the strength of the molecular sieve tank cannot meet the requirements for its pressure strength when preparing large amounts of oxygen. Summary of the invention

[0005] 1. Technical issues to be resolved

[0006] The present invention aims to solve one of the following technical problems existing in the prior art or related technology:

[0007] In the existing medium and large oxygen demand scenarios, oxygen cylinders as oxygen supply equipment have limited oxygen supply capacity, need to be replaced frequently, cannot provide oxygen continuously for a long time, have high safety levels, and have poor oxygen supply stability. In addition, molecular sieve tanks for medical and health care oxygen generators are non-pressure containers and cannot meet pressure requirements when producing large quantities of oxygen.

[0008] (II) Technical solution

[0009] In order to solve the above technical problems, the present invention provides an oxygen production core group for modular oxygen production equipment, and the specific technical solutions adopted are as follows:

[0010] An oxygen production core group for modular oxygen production equipment, the oxygen production core group includes an air compressor housing 1, a side plate 12, a base 23, an oxygen production unit, an air compressor 21, a fan 28, a silencer component, a control device and a connecting pipeline for realizing gas path connection of various components;

[0011] The air compressor housing 1 is located in the middle of the oxygen production core group and is a П-shaped structure used to support and connect various components;

[0012] The side panels 12 are fixedly connected to the two open vertical surfaces of the air compressor housing 1;

[0013] The base 23 is located at the bottom of the air compressor housing 1 and is used to install the air compressor 21 and the fan 28;

[0014] The air compressor 21 is fixedly installed in a cavity formed by the air compressor housing 1, the side plate 12 and the base 23, and is provided with two air inlet holes 21-5 and two air outlet holes 21-4;

[0015] The oxygen production unit is a double molecular sieve tank structure, and the two oxygen production units are fixedly installed on both sides of the air compressor housing 1;

[0016] The fan 28 is fixedly mounted at the bottom of the base 23 to provide cooling air for the air compressor 21;

[0017] The silencer assembly includes an air intake silencer tank 4 and an exhaust silencer tank 13; the air intake silencer tank 4 is connected to the air intake hole 21-5 of the air compressor 21 through a connecting pipeline; the exhaust silencer tank 13 is connected to the exhaust port of the control valve 11 through a connecting pipeline;

[0018] The control device includes a main control board 14, which is fixedly mounted on the top of the air compressor housing 1 and is electrically or signal-connected to the action execution mechanism and the monitoring mechanism of the oxygen production core group.

[0019] Preferably, the oxygen production unit includes two molecular sieve tanks 2, an oxygen storage tank 8, a cooler 9, an air filter 10, a one-way valve 5, a control valve 11 and an upper pressure-equalizing air circuit 16; the two molecular sieve tanks 2 are connected to the oxygen storage tank 8 at the top through a connecting pipe and a one-way valve 5 respectively via a three-way 7; at the same time, the tops of the two molecular sieve tanks 2 are connected through the upper pressure-equalizing air circuit 16; the air inlet end of the cooler 9 is connected to the air outlet 21-4 of the air compressor 21 through a connecting pipeline, and the air outlet end is connected to the air inlet end of the air filter 10; the air outlet end of the air filter 10 is connected to the control valve 11; the control valve 11 is connected to the air inlet ends of the two molecular sieve tanks 2 respectively through two air inlet pipes, and is connected to the two exhaust silencer tanks 13 respectively through two air outlet pipes.

[0020] More preferably, the oxygen storage tanks 8 of the two oxygen production units are connected via an outlet pipe 15 and collect oxygen to the oxygen outlet.

[0021] More preferably, the air outlet pipeline 15 is a cross-shaped pipeline formed by a four-way connection; two relatively connected pipelines are connected to the oxygen outlet of the oxygen storage tank 8 via two oxygen outlet equalizing valves 25 respectively; the other two relatively connected pipelines, one is connected to the oxygen outlet via a one-way valve, and the other is connected to the monitoring mechanism.

[0022] More preferably, the monitoring mechanism includes an oxygen sensor and an oxygen detection and pressure regulating valve 26; the outlet pipe 15 is connected to the oxygen detection and pressure regulating valve 26 and then connected to the oxygen sensor; the oxygen sensor is connected to the main control board 14 to feedback oxygen supply monitoring information.

[0023] Preferably, the silencer assembly includes four exhaust silencer tanks 13 and two intake silencer tanks 4; the four exhaust silencer tanks 13 are fixedly installed at the four corners of the top of the air compressor cover 1; the two intake silencer tanks 4 are fixedly installed in parallel on one side of the air compressor cover 1; the main control board 14 is fixedly installed on the air compressor cover 1 through a vertical plate 6; the air outlet pipeline 15 is arranged on the upper part of the air compressor cover 1, and the upper equalizing air path 16 is arranged on both sides of the air outlet pipeline 15.

[0024] More preferably, a switching power supply 24 , an AC contactor 17 and a relay expansion board 18 are fixedly mounted on the upper portion of the air compressor housing 1 .

[0025] Preferably, the molecular sieve tank 2 of the oxygen production unit is fixedly connected to the side of the air compressor cover 1 through a molecular sieve tank bracket 19 and a molecular sieve tank support plate 20; the molecular sieve tank bracket 19 is an I-shaped structure, the middle part is fixedly connected to the side of the air compressor cover 1 through a plurality of connecting holes I19-1, and the four ends fix the molecular sieve tank 2 through clamps; the molecular sieve tank support plate 20 is an L-shaped angle plate, one side of which is fixedly connected to the air compressor cover 1, and the other side supports the bottom of the molecular sieve tank 2.

[0026] Preferably, an air outlet silencer pipe hole 1-7 is provided at each end of the bottom of the side surface 1-2 of the air compressor cover 1, and four exhaust silencer holes 1-3 are provided at the four corners of the top surface 1-1. The first air outlet silencer connecting pipe 13-1 and the second air outlet silencer connecting pipe 13-2 connected to the exhaust port of the control valve 11 respectively pass through the air outlet silencer pipe hole 1-7 and the exhaust silencer hole 1-3 in sequence and are connected to the corresponding exhaust silencer tank 13.

[0027] Preferably, a compressed air pipe hole 1-6 is provided at the bottom of each of the two side surfaces 1-2 of the air compressor housing 1; the two air outlet holes 21-4 of the air compressor 21 are respectively connected to the air inlet hole of the cooler 9 of the corresponding side oxygen production unit through the first compressed air inlet pipe 21-1 and the second compressed air inlet pipe 21-2 through the compressed air pipe holes 1-6 on both sides.

[0028] (III) Beneficial effects

[0029] Compared with the prior art, the present invention has the following beneficial effects:

[0030] The oxygen production core group provided by the present invention can produce oxygen continuously independently or through modular combination, and has good oxygen supply stability and does not need to be frequently replaced. At the same time, large-flux oxygen supply can be achieved through modular combination, and the strength of the oxygen production container does not need to meet the requirements of the pressure container, and the use safety is high.

[0031] The oxygen production core group adopts modular design. Each oxygen production core group constitutes an independent unit. Different numbers of oxygen production core groups can be used to form medium-to-large-scale continuous oxygen production equipment. The medium-to-large-scale continuous oxygen production equipment can open the oxygen production unit of corresponding specifications according to the use requirements, so as to meet the use requirements without wasting resources due to excessive supply redundancy or excessive energy consumption.

[0032] The air compressor of the oxygen production core group is equipped with double inlets and double outlets, so as to realize the supply of compressed air to two oxygen production units at the same time. At the same time, through the rational layout of the components required for oxygen production, it is ensured that the components do not affect each other, and the high integration of the oxygen production core group structure is realized. The overall structure of the oxygen production core group has high space utilization and is regular and orderly, which is convenient for modular assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The accompanying drawings constituting a part of the present invention are used to provide a further understanding of the present invention. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation of the present invention. In the accompanying drawings:

[0034] Figure 1 The figure schematically shows a front view of the structure of the oxygen production core group in a preferred embodiment of the present invention.

[0035] Figure 2 for Figure 1 Color rendering of .

[0036] Figure 3 The side view of the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0037] Figure 4 for Figure 3 Schematic diagram of the structure with the side panels removed.

[0038] Figure 5 for Figure 4 Color rendering of .

[0039] Figure 6 The top view of the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0040] Figure 7 for Figure 6 Color rendering of .

[0041] Figure 8 The bottom view of the structure of the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0042] Fig. 9 The three-dimensional structure diagram of the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0043] Fig.10 The three-dimensional structure diagram of the air compressor cover in the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0044] Fig.11 The three-dimensional structure diagram of the base in the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0045] Fig.12 The three-dimensional structure diagram of the air compressor in the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0046] Fig.13 The three-dimensional structure diagram of the molecular sieve tank support in the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0047] Fig.14 The three-dimensional structure diagram of the oxygen storage tank bracket in the oxygen production core group in a preferred embodiment of the present invention is schematically shown.

[0048] Reference numerals in the above drawings:

[0049] 1. Air compressor cover; 2. Molecular sieve tank; 3. Inlet pipe; 4. Inlet silencer tank; 5. One-way valve; 6. Vertical plate; 7. Tee; 8. Oxygen storage tank; 9. Cooler; 10. Air filter; 11. Control valve; 12. Side plate; 13. Exhaust silencer tank; 14. Main control board; 15. Air outlet pipeline; 16. Upper pressure equalizing air path; 17. AC contactor; 18. Relay expansion board; 19. Molecular sieve tank bracket; 20. Molecular sieve tank support plate; 21. Air compressor; 22. Shock absorber; 23. Base; 24. Switching power supply; 25. Oxygen outlet equalizing valve; 26. Oxygen detection pressure stabilizing valve; 27. Oxygen detection tube; 28. Fan; 29. ​​Oxygen storage tank bracket;

[0050] 1-1, top surface; 1-2, side surface; 1-3, exhaust silencer hole; 1-4, intake silencer hole; 1-5, cooling fan hole; 1-6, compressed air pipe hole; 1-7, exhaust silencer pipe hole;

[0051] 4-1, silencer air intake connecting pipe;

[0052] 13-1, first air outlet silencer connecting pipe; 13-2, second air outlet silencer connecting pipe;

[0053] 19-1, connection hole I; 19-2, curved claw; 19-3, straight claw;

[0054] 21-1, first compressed air inlet pipe; 21-2, second compressed air inlet pipe; 21-3, compressed air fixing hole; 21-4, air outlet hole; 21-5, air inlet hole;

[0055] 23-1, first fixing hole; 23-2, second fixing hole;

[0056] 29-1, ear plate; 29-2, slot hole; 29-3, connection hole II. DETAILED DESCRIPTION

[0057] The embodiments of the present invention are described in detail below with reference to the accompanying drawings, but the present invention can be implemented in many different embodiments as defined and covered by the claims.

[0058] In the following description of the present invention, it should be noted that terms such as "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "top", "bottom", "inside", "outside" and "vertical" indicating directions or positional relationships are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the referred device or element must have a specific direction, be constructed and operated in a specific direction, and therefore, should not be understood as limiting the present invention.

[0059] In the following description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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 direct connection, or an indirect connection through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0060] In addition, in the following description of the present invention, unless otherwise specified, “plurality”, “multiple groups”, and “multiple roots” mean two or more.

[0061] Figure 1 The figure schematically shows a front view of the structure of the oxygen production core group in a preferred embodiment of the present invention. Figure 2 for Figure 1 A color rendering of the Figure 1 and Figure 2It can be seen that in the preferred embodiment, the oxygen production core group adopts an oxygen production unit of a double molecular sieve tank. The oxygen production unit includes two molecular sieve tanks 2, an oxygen storage tank 8, a cooler 9, an air filter 10, a control valve 11, two one-way valves 5, a three-way 7 and multiple connecting pipes.

[0062] The oxygen production unit is fixedly mounted on the side of the air compressor housing 1 as a whole, and two molecular sieve tanks 2 are fixedly mounted at both ends of the side. The oxygen storage tank 8, cooler 9, air filter 10 and control valve 11 are located between the two molecular sieve tanks 2 and are fixed on the side of the air compressor housing 1 from top to bottom. Figure 2 It can be seen that the gray pipe passes through the through hole at the bottom of the air compressor housing 1 and is connected to the cooler 9. The outlet of the cooler 9 is connected to the air filter 10 at its lower part through the white pipe. After the air is filtered, it is connected to the control valve 11 through the gray pipe. The upper part of the control valve 11 is provided with two air outlets connected to the base air inlet holes of the two molecular sieve tanks 2 respectively. In addition, the side and bottom of the control valve 1 are penetrated into the air compressor housing 1 through the through hole on the side of the air compressor housing 1 through the gray exhaust pipe.

[0063] In addition, the oxygen production core group is provided with two air inlet pipes 3 (red, see Figure 2 ) and two air intake silencer tanks 4, the end of the air intake pipe 3 is connected to the air intake silencer tank 4 for air intake silencer. At the upper part of the molecular sieve tank 2, the oxygen in the two molecular sieve tanks is respectively connected to a three-way valve 7 after passing through a one-way valve 5, and finally collected in the oxygen storage tank 8.

[0064] Figure 3 The side view of the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Figure 4 for Figure 3 Schematic diagram of the structure with the side panels removed. Figure 5 for Figure 4 A color rendering of the Figure 3-5 It can be seen that in this preferred embodiment, the air compressor 21 of the oxygen production core group is installed in a cavity formed by the air compressor housing 1, the base 23 and the two side panels 12. The molecular sieve tank 2 is fixedly installed on the side of the air compressor housing 1 through the molecular sieve tank bracket 19 and the molecular sieve tank support plate 20. Multiple components are integrated on the top of the air compressor housing 1, among which an exhaust silencer tank 13 is fixed at each end of the upper part of one side of the side panel 12. Figure 4 and Figure 5 It can be seen that the bottom of the exhaust silencer tank 13 is connected to the control valve 11 after passing through the bottom of the air compressor housing 1 through the first exhaust silencer connecting pipe 13 - 1 (or the second exhaust silencer connecting pipe 13 - 2 ).

[0065] The air intake silencer tank 4 is connected to the air intake hole of the air compressor 21 through the silencer air intake connecting pipe 4-1 at the bottom. The compressed air compressed by the air compressor 21 passes through two air outlets respectively, and is connected to the coolers 9 in the oxygen production units on both sides through the first compressed air intake pipe 21-1 and the second compressed air intake pipe 21-2 to cool the compressed hot air. At the same time, a vertical plate 6, a main control board 14 vertically fixed by the vertical plate 6, an AC contactor 17, a relay expansion board 18, an air outlet pipeline 15 and an upper pressure equalizing air circuit 16 are also provided in the middle position at the top of the air compressor housing 1.

[0066] Figure 6 The top view of the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Figure 7 for Figure 6 A color rendering of the Figure 6 and Figure 7 It can be seen that in this preferred embodiment, four exhaust silencer tanks 13 are fixedly installed at the four corners of the rectangular top surface of the air compressor cover 1. Two air intake silencer tanks 4 are fixed between the two exhaust silencer tanks 13, and the red air intake pipe 3 introduces external air into the air intake silencer tank 4 from the top for noise reduction. Two oxygen production units are fixed on the two sides of the air compressor cover 1 respectively. At the top of the oxygen production unit, the oxygen outlet of the molecular sieve tank 2 is connected to the oxygen storage tank 8 through a connecting pipe, a one-way valve and a tee in turn. At the same time, in order to balance the pressure, the two molecular sieve tanks 2 of the same oxygen production unit are connected through an upper pressure equalizing gas path 16 provided with a pressure equalizing valve.

[0067] The oxygen outlet of the oxygen storage tank 8 is connected to a cross-shaped outlet pipeline 15 formed by a four-way connection. The two opposite pipelines of the outlet pipeline 15 are respectively connected to the oxygen storage tank 8 through a pipeline provided with an outlet oxygen equalizing valve 25. The other two opposite pipelines, one of which is connected to the outlet of the oxygen supply, and the other is connected to the oxygen detection and pressure regulating valve 26 for oxygen monitoring. The oxygen detection and pressure regulating valve 26 is connected to an oxygen sensor (not shown) through an oxygen detection tube 27 to monitor oxygen supply information such as oxygen concentration and content of the oxygen supply.

[0068] The main control board 14 as a control device is fixedly connected to the vertical plate 6 fixed vertically to the top plate of the air compressor housing 1. The main control board 14 is connected to the action execution mechanism (for example, control valve, air compressor, etc.) and monitoring mechanism (for example, oxygen sensor, etc.) of the oxygen production core group to control and monitor the action execution and operation status of the oxygen production core group. At the same time, electrical components such as a power switch 24, an AC contactor 17 and a relay expansion board 18 are also provided on the top plate of the air compressor housing 1 to realize more functions.

[0069] Figure 8 The bottom view of the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Figure 8It can be seen that in this preferred embodiment, a fan 28 is fixed in the middle of the bottom of the base 23 of the oxygen production core group to cool the air compressor 21 of the oxygen production core group to prevent its operating temperature from being too high.

[0070] Fig. 9 The three-dimensional structure diagram of the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig. 9 It can be seen that in this preferred embodiment, at least three through holes are provided at the bottom of the side of the air compressor housing 1. Two of the through holes are through holes for inserting the first outlet silencer connecting pipe 13-1 and the second outlet silencer connecting pipe 13-2 into the cavity of the air compressor housing 1, so as to discharge the nitrogen produced by the molecular sieve tank 2 through the exhaust silencer tank 13. The last through hole is a through hole for the first compressed air inlet pipe 21-1 to pass through, so as to lead the compressed air out of the housing cavity.

[0071] Fig.10 The three-dimensional structure diagram of the air compressor housing in the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig.10 It can be seen that in this preferred embodiment, the air compressor housing 1 is in the shape of a П-shape as a whole, and is formed of a top surface 1-1 and two side surfaces 1-2 by stamping and bending a metal plate. A plurality of through holes are provided on the air compressor housing 1, wherein four exhaust silencer holes 1-3 for installing the exhaust silencer tank 13 and two air intake silencer holes 1-4 for installing the air intake silencer tank 4 are provided at the four corners of the top surface 1-1. On the side surface 1-2, a cooling fan hole 1-5 with a large diameter for a cooler fan is provided at the upper part, and three holes are provided at the bottom corners, two of which are exhaust silencer pipe holes 1-7 and one is a compressed air pipe hole 1-6.

[0072] Fig.11 The three-dimensional structure diagram of the base in the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig.11 It can be seen that in this preferred embodiment, a large-diameter through hole for the fan 28 to supply cooling air is provided at the center of the base 23, and first fixing holes 23-1 for installing the fan 28 are provided at its four corners. Four second fixing holes 23-2 for installing the air compressor 21 are provided in a rectangular array on the main body of the base 23. At the same time, in order to facilitate assembly with other components to construct a large oxygen production equipment, a flange with a connection hole is also provided on the base 23.

[0073] Fig.12 The three-dimensional structure diagram of the air compressor in the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig.12It can be seen that in this preferred embodiment, the bottom of the air compressor 21 is provided with four air compressor fixing holes 21-3 (two are shown), so that the bolts can be connected to the second fixing holes 23-2 on the base by passing through the air compressor fixing holes 21-3. Two air outlet holes 21-4 and two air inlet holes 21-5 are provided on the upper part of the air compressor 21, so as to supply compressed air to the two oxygen production units at the same time. The air inlet hole 21-5 of the air compressor 21 is connected to the silencer inlet connecting pipe 4-1 of the air inlet silencer tank 4 to introduce raw air. The air outlet hole 21-4 of the air compressor 21 is connected to the coolers 9 on the two oxygen production units through connecting pipes.

[0074] Fig.13 The three-dimensional structure diagram of the molecular sieve tank support in the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig.13 It can be seen that in this preferred embodiment, the molecular sieve tank bracket 19 is an I-shaped structure as a whole, and the main body is provided with four connection holes 1 19-1 for fixed connection with the side of the air compressor housing 1. The four ends are bent in the same direction to form two bent grips 19-2 and two straight claws 19-3, respectively, so as to clamp the side of the molecular sieve tank 2. For further fixing, through holes are also provided on the straight claws 19-3, so as to be further fixed with the help of fastening bolts when necessary.

[0075] Fig.14 The three-dimensional structure diagram of the oxygen storage tank bracket in the oxygen production core group in a preferred embodiment of the present invention is schematically shown. Fig.14 It can be seen that in this preferred embodiment, the oxygen storage tank bracket 29 is a "X"-shaped structure. An ear plate is vertically arranged outward on the upper part of its main plane, and a connection hole is arranged on the ear plate for connecting with the top plate of the air compressor housing 1. At the same time, two connection holes II 29-3 are arranged on the upper part of its main plane, and four slots 29-2 are arranged on the two side flanges for fixed connection with the oxygen storage tank 8.

[0076] The use process and working principle of the oxygen generator core group are:

[0077] During operation, air enters the air intake silencer tank through the air intake pipe, and enters the air compressor through the silencer air intake connecting pipe after the air intake silencer noise reduction treatment. The air compressor compresses the air and supplies it to the oxygen production units on both sides through the air outlet. The compressed hot air is first cooled by the cooler of the oxygen production unit, then filtered by the air filter, and finally enters the control valve. The control valve distributes the air to the molecular sieve tank for oxygen production, and the produced oxygen is collected to the oxygen storage tank after passing through the one-way valve and three-way at the top. The nitrogen produced enters the exhaust silencer tank through the air outlet silencer connecting pipe after desorption and is discharged after noise reduction treatment. The oxygen in the oxygen storage tank enters the air outlet pipeline through the outlet, and finally realizes the oxygen supply. The structure of the oxygen production core group is very compact, with high space utilization and integration. The whole constitutes a modular structure that can supply air separately, and can be combined with other modules and components to form a large oxygen production equipment. The oxygen production equipment formed can not only realize continuous oxygen supply, but also can be free from the restriction of pressure vessels, and must have a large structural strength.

[0078] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and variations. Any modification, equivalent substitution, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An oxygen production core group for modular oxygen production equipment, characterized in that: It comprises an air compressor housing (1), a side panel (12), a base (23), an oxygen production unit, an air compressor (21), a fan (28), a silencer component, a control device, and connecting pipes for connecting the gas paths of the various components; The air compressor housing (1) is located in the middle of the oxygen production core group and is a П-shaped structure used to support and connect various components; The side panels (12) are fixedly connected to the two open vertical surfaces of the air compressor casing (1); The base (23) is located at the bottom of the air compressor housing (1) and is used to install the air compressor (21) and the fan (28); The air compressor (21) is fixedly installed in a cavity formed by the air compressor housing (1), the side plate (12) and the base (23), and is provided with two air inlet holes (21-5) and two air outlet holes (21-4); The oxygen production unit is a double molecular sieve tank structure, and the two oxygen production units are fixedly installed on both sides of the air compressor housing (1); The fan (28) is fixedly mounted at the bottom of the base (23) to provide cooling air for the air compressor (21); The silencer assembly comprises an air intake silencer tank (4) and an exhaust silencer tank (13); the air intake silencer tank (4) is connected to an air intake hole (21-5) of an air compressor (21) via a connecting pipeline; the exhaust silencer tank (13) is connected to an exhaust port of a control valve (11) via a connecting pipeline; The control device comprises a main control panel (14), which is fixedly mounted on the top of the air compressor housing (1) and is electrically or signal-connected to the action actuator and the monitoring mechanism of the oxygen production core group.

2. The oxygen production core group for modular oxygen production equipment according to claim 1, characterized in that: The oxygen production unit comprises two molecular sieve tanks (2), an oxygen storage tank (8), a cooler (9), an air filter (10), a one-way valve (5), a control valve (11) and an upper pressure equalizing gas path (16); the two molecular sieve tanks (2) are connected to the oxygen storage tank (8) at the top through a connecting pipe and a one-way valve (5) and then connected through a three-way (7); at the same time, the tops of the two molecular sieve tanks (2) are connected through the upper pressure equalizing gas path (16); the air inlet end of the cooler (9) is connected to the air outlet (21-4) of the air compressor (21) through a connecting pipe, and the air outlet end is connected to the air inlet end of the air filter (10); the air outlet end of the air filter (10) is connected to the control valve (11); the control valve (11) is connected to the air inlet ends of the two molecular sieve tanks (2) through two air inlet pipes, and is connected to the two exhaust silencer tanks (13) through two air outlet pipes.

3. The oxygen production core group for modular oxygen production equipment according to claim 2, characterized in that: The oxygen storage tanks (8) of the two oxygen production units are connected via an outlet pipe (15) and collect oxygen to an oxygen outlet.

4. The oxygen production core group for modular oxygen production equipment according to claim 3, characterized in that: The gas outlet pipeline (15) is a cross-shaped pipeline formed by a four-way connection; two relatively connected pipelines are respectively connected to the oxygen outlet of the oxygen storage tank (8) via two oxygen outlet equalizing valves (25); the other two relatively connected pipelines, one of which is connected to the oxygen outlet via a one-way valve, and the other is connected to the monitoring mechanism.

5. The oxygen production core group for modular oxygen production equipment according to claim 4, characterized in that: The monitoring mechanism comprises an oxygen sensor and an oxygen detection pressure regulating valve (26); the outlet pipeline (15) is connected to the oxygen detection pressure regulating valve (26) and then connected to the oxygen sensor; the oxygen sensor is connected to the main control board (14) to feed back oxygen supply monitoring information.

6. The oxygen production core group for modular oxygen production equipment according to claim 1, characterized in that: The silencer assembly comprises four exhaust silencer tanks (13) and two intake silencer tanks (4); the four exhaust silencer tanks (13) are fixedly mounted at the four corners of the top of the air compressor housing (1); the two intake silencer tanks (4) are fixedly mounted in parallel on one side of the air compressor housing (1); the main control panel (14) is fixedly mounted on the air compressor housing (1) via a vertical plate (6); the air outlet pipeline (15) is arranged on the upper part of the air compressor housing (1), and the upper pressure equalizing air path (16) is arranged on both sides of the air outlet pipeline (15).

7. The oxygen production core assembly for modular oxygen production equipment according to claim 6, characterized in that: A switching power supply (24), an AC contactor (17) and a relay expansion board (18) are also fixedly mounted on the upper portion of the air compressor housing (1).

8. The oxygen production core assembly for modular oxygen production equipment according to claim 1, characterized in that: The molecular sieve tank (2) of the oxygen production unit is fixedly connected to the side of the air compressor housing (1) via a molecular sieve tank bracket (19) and a molecular sieve tank support plate (20); the molecular sieve tank bracket (19) is an I-shaped structure, the middle portion of which is fixedly connected to the side of the air compressor housing (1) via a plurality of connection holes I (19-1), and the four ends of the molecular sieve tank (2) are fixed by clamps; the molecular sieve tank support plate (20) is an L-shaped angle plate, one side of which is fixedly connected to the air compressor housing (1), and the other side of which supports the bottom of the molecular sieve tank (2).

9. The oxygen production core assembly for modular oxygen production equipment according to claim 1, characterized in that: The bottom ends of the side surface (1-2) of the air compressor housing (1) are each provided with an air outlet silencer pipe hole (1-7), and the four corners of the top surface (1-1) are provided with four exhaust silencer holes (1-3). The first air outlet silencer connecting pipe (13-1) and the second air outlet silencer connecting pipe (13-2) connected to the exhaust port of the control valve (11) respectively pass through the air outlet silencer pipe hole (1-7) and the exhaust silencer hole (1-3) in sequence and are connected to the corresponding exhaust silencer tank (13).

10. The oxygen production core assembly for modular oxygen production equipment according to claim 1, characterized in that: A compressed air pipe hole (1-6) is respectively provided at the bottom of the two side surfaces (1-2) of the air compressor housing (1); the two air outlet holes (21-4) of the air compressor (21) are respectively connected to the air inlet hole of the cooler (9) of the oxygen production unit on the corresponding side through a first compressed air inlet pipe (21-1) and a second compressed air inlet pipe (21-2) passing through the compressed air pipe holes (1-6) on both sides.

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