Medical small molecular sieve oxygen generation all-in-one machine

Abstract

The utility model provides a medical small molecular sieve oxygen generation all-in-one machine which comprises a box body and an air compressor, an oil-gas separator, an aftercooler, a gas-water separator, a freezing dryer, a gas storage tank, a filtering assembly and a molecular sieve oxygen generator which are located in the box body and connected in sequence, the molecular sieve oxygen generator is located at the front portion of the box body, and the gas storage tank is located at the left position of the rear side of the molecular sieve oxygen generator; the air compressor and the oil-gas separator are located on the right side and the rear side of the air storage tank respectively and supported by a horizontal L-shaped plate, the filtering assembly and the freezing dryer are installed below the L-shaped plate and located below the air compressor and the oil-gas separator respectively, the aftercooler is installed on the top of the box body and located above the air storage tank, and the gas-water separator is located below the front portion of the aftercooler. According to the all-in-one machine, through the ingenious layout, the vertical space is fully utilized, all composition structures are more compact in layout, waste of the layout space is reduced, the overall size of the machine box is reduced, and placement, transportation and transfer are convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen production equipment, in particular to a small-scale medical molecular sieve oxygen production integrated machine. Background Art

[0002] Existing oxygen production equipment is generally divided into small oxygen concentrators and large oxygen production systems. Small oxygen concentrators are usually used in situations where there is a temporary small amount of oxygen demand, while large oxygen production systems are mostly used in environments with high oxygen demand, such as large enterprises or hospitals.

[0003] The oxygen production system usually consists of multiple parts such as an air compressor, an oil-gas separator, a cold dryer, an air-water separator, a gas storage tank, a filter device and a molecular sieve oxygen generator. When installing the existing oxygen production system, it is usually necessary to transport each component to the designated location first, and then professionals are required to assemble and debug it. The process is cumbersome, and there are many components and a large workload. In addition, if the location needs to be moved, it is necessary to disassemble-transfer-and-reinstall, which is very inconvenient. Therefore, a skid-mounted oxygen generator has appeared on the market, such as disclosed in patent CN220899854U, which pre-installs all or part of the oxygen production components on a platform, and uses a mobile platform to facilitate movement and reduce disassembly and assembly operations. However, in this type of oxygen generator, the various components are laid flat on the platform, resulting in a larger platform size, requiring a larger installation and parking space, and also causing the platform to be inconvenient when moving. Utility Model Content

[0004] In order to solve the technical problems existing in the above-mentioned background technology, the utility model provides a medical small molecular sieve oxygen generator.

[0005] The technical solution of this utility model is as follows:

[0006] A small medical molecular sieve oxygen concentrator comprises a housing and an air compressor, an oil-gas separator, an aftercooler, an air-water separator, a cold dryer, a gas storage tank, a filter assembly and a molecular sieve oxygen concentrator which are located in the housing and connected in sequence. The molecular sieve oxygen concentrator is located at the front of the housing, the gas storage tank is located to the left of the rear of the molecular sieve oxygen concentrator, the air compressor and the oil-gas separator are located on the right and rear of the gas storage tank respectively and are supported by a horizontal L-shaped plate, the filter assembly and the cold dryer are installed below the L-shaped plate and below the air compressor and the oil-gas separator respectively, the aftercooler is installed on the top of the housing and above the gas storage tank, and the air-water separator is located below the front of the aftercooler.

[0007] The molecular sieve oxygen generator of the present application is arranged in an integrated manner according to the size characteristics of each component structure. The taller molecular sieve oxygen generator is arranged separately at the front side of the box, and the gas storage tank with a large diameter and a high height is arranged at the rear side of the box. The remaining components with smaller sizes are layered up and down and arranged around the gas storage tank, which effectively utilizes the vertical space and reduces the horizontal size of the integrated machine.

[0008] Among them, the cold dryer is installed at the rear side of the box, below the L-shaped plate, which is conducive to using low-level cold air to cool the high-pressure air flowing through it. The oil-gas separator is installed above the cold dryer due to its slender and tall characteristics, which is more convenient for it to use the vertical space above the cold dryer. The air compressor is staggered with the cold dryer due to its high heat generation to avoid affecting the cooling effect of the cold dryer.

[0009] To improve the cooling effect of high-pressure air, a subcooler is installed in the pipeline between the air-water separator and the cold dryer. It is located between the air storage tank and the aftercooler and is installed close to the left wall of the cabinet. The high-pressure, high-temperature air compressed by the air compressor passes through the aftercooler for primary cooling, then passes through the subcooler for secondary cooling, and then enters the cold dryer for tertiary cooling. This three-stage cooling method improves the cooling effect of the high-pressure air while reducing the cooling load of the aftercooler and the cold dryer.

[0010] Preferably, an air filter connected to the air inlet of the air compressor is also provided in the box to filter out impurities such as water vapor, dust, etc. in the air. It is installed on the rear side of the auxiliary cooler and to the left side of the oil-gas separator to make full use of the free space in the box.

[0011] Preferably, a control box is further provided in the box body, in which a controller is installed. The control box is located above the air compressor and to the right of the aftercooler.

[0012] Preferably, a control panel is provided on the front side wall of the box body and is electrically connected to the controller.

[0013] The control panel is located at the front of the housing, allowing the all-in-one device to fit into spaces with a narrow horizontal width but a large vertical depth. The control box is located above the air compressor, rather than near the control panel, to fully utilize the free space at the rear of the housing, avoiding occupying the space in front of the molecular sieve oxygen concentrator, which would not only affect the wiring of the molecular sieve oxygen concentrator but also increase the front-to-back dimensions of the housing.

[0014] Preferably, the air compressor extends longitudinally front to back, with its air inlet located in the middle of the top and connected to the air filter through a pipeline on the front side of the oil-gas separator. The air outlet is located at the rear end and connected to the right side wall of the oil-gas separator through a pipeline to fully utilize the free space around the air tank and the oil-gas separator to avoid increasing the left and right width dimensions of the box.

[0015] In this application, the molecular sieve oxygen generator includes three oxygen production towers, which are arranged left and right to reduce the front and back length of the box.

[0016] In order to improve the installation stability of the box and its components, as well as the installation layout, a partition is provided in the box, erected between the gas storage tank and the molecular sieve oxygen concentrator, dividing the space inside the box into an oxygen production area and a gas preparation area. The gas preparation area occupies 1 / 2 to 2 / 3 of the space in the box.

[0017] Preferably, an air intake grille is provided on the lower part of the left side wall of the box corresponding to the gas preparation area and the front part of the bottom wall corresponding to the oxygen production area, so as to utilize the low-temperature air at a low position as the air source for box cooling and the air compressor, and an air outlet grille is provided on the top wall of the box corresponding to the positions of the aftercooler and the molecular sieve oxygen concentrator.

[0018] In this application, the aftercooler includes an air cooling zone and an oil cooling zone. The air cooling zone is connected to the oil-gas separator and the air-water separator. The oil cooling zone is connected to the air compressor through an oil inlet pipe and an oil outlet pipe. An oil filter is provided on the oil inlet pipe and is installed on the rear side of the aftercooler. The oil in the air compressor is cooled by the oil cooling zone of the aftercooler and then flows back to the air compressor to ensure the normal operation of the air compressor.

[0019] The utility model provides a medical small molecular sieve oxygen generator integrated machine, which makes full use of the vertical space by rationally utilizing the size characteristics of each component structure, cleverly laying out the structure, and making full use of the vertical space, so that the layout of each component structure is more compact, reducing the waste of layout space, thereby reducing the overall size of the chassis, reducing the demand for the space for placing the integrated machine, and also facilitating transportation and transfer. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] In the attached figure:

[0021] Figure 1 A schematic diagram of the all-in-one machine;

[0022] Figure 2 This is a schematic diagram of the inside of the all-in-one machine from the right rear perspective;

[0023] Figure 3 This is a schematic diagram of the left rear view of the inside of the all-in-one machine;

[0024] Figure 4 This is a schematic diagram of the internal structure of the all-in-one machine with the cabinet hidden.

[0025] The components represented by the reference numerals in the figure are:

[0026] 1. Cabinet; 2. Air compressor; 3. Oil-gas separator; 4. Aftercooler; 5. Gas-water separator; 6. Cold dryer; 7. Gas storage tank; 8. Filter assembly; 9. Molecular sieve oxygen generator; 10. L-shaped plate; 11. Air filter; 12. Oil filter; 13. Control box; 14. Control panel; 15. Auxiliary cooler; 16. Air intake grille; 17. Air outlet grille. DETAILED DESCRIPTION

[0027] like Figures 1 to 4As shown, an embodiment of the present invention provides a medical small-scale molecular sieve oxygen concentrator (hereinafter referred to as an integrated machine), including a box body 1 and an air compressor 2, an oil-gas separator 3, an aftercooler 4, an air-water separator 5, a cold dryer 6, a gas storage tank 7, a filter assembly 8 and a molecular sieve oxygen concentrator 9 located in the box body 1 and connected in sequence. The molecular sieve oxygen concentrator 9 is located at the front of the box body 1, and the gas storage tank 7 is located on the left side of the rear side of the molecular sieve oxygen concentrator 9. The air compressor 2 and the oil-gas separator 3 are respectively located on the right and rear sides of the gas storage tank 7, and are supported by a horizontal L-shaped plate 10. The filter assembly 8 and the cold dryer 6 are installed below the L-shaped plate 10 and are respectively located below the air compressor 2 and the oil-gas separator 3. The aftercooler 4 is installed on the top of the box body 1, above the gas storage tank 7, and the gas-water separator 5 is located below the front of the aftercooler 4.

[0028] Specifically, a partition is provided within the box 1, erected between the gas storage tank 7 and the molecular sieve oxygen generator 9, dividing the space within the box 1 into an oxygen production area and a gas preparation area. The provision of the partition improves the structural stability of the box 1 and also provides support for the installation of various structures within the box 1.

[0029] The molecular sieve oxygen generator 9 is installed in the oxygen production area, which includes three oxygen production towers, arranged on the left and right, and fixed on the bottom wall and partition of the box 1 to shorten the front and back length of the box 1.

[0030] The remaining components, such as the air compressor 2, the oil-gas separator 3, the aftercooler 4, the gas-water separator 5, the cold dryer 6, the gas storage tank 7, the filter assembly 8 and the molecular sieve oxygen generator 9 are all arranged in the gas preparation area, which occupies 1 / 2 to 2 / 3 of the space in the box 1, so as to provide relatively ample space for the installation and layout of the above-mentioned components.

[0031] The gas storage tank 7 is erected on the left side of the rear side of the partition and is installed on the bottom wall of the box body 1. The top height of the gas storage tank 7 is preferably located at 1 / 2 to 3 / 4 of the height of the box body 1 so that there is sufficient storage capacity and space is reserved at the top for other structures.

[0032] The two extension plates of the L-shaped plate 10 are respectively located at the middle height position of the left side and rear side of the gas tank 7, and are fixedly connected to the box body 1 through the support frame.

[0033] The air compressor 2 is mounted on an extension plate of the L-shaped plate 10 on the left side of the gas tank 7. The air compressor 2 usually has a certain length, and its length direction extends longitudinally along the front and back of the box body 1 to avoid increasing the left and right width dimensions of the box body 1.

[0034] An air filter 11 is also provided within the housing 1 to filter out moisture, dust, and other impurities from the air. It is installed to the left of the oil-gas separator 3. The air inlet of the air compressor 2 is located in the center of the top of the compressor 2 and is connected to the air filter 11 via a pipeline located in front of the oil-gas separator 3. The air outlet of the air compressor 2 is located at the rear end of the compressor 2 and is connected to the right side wall of the oil-gas separator 3 via a pipeline. This fully utilizes the free space around the air tank 7 and the oil-gas separator 3, avoiding increasing the left and right widths of the housing 1.

[0035] The oil-gas separator 3 is mounted on an extension of the L-shaped plate 10 located behind the air tank 7. It is a vertical cylindrical device and is installed near the air compressor 2. The air tank 7 is cylindrical, so the space between it and the air compressor 2 at the corner of the L-shaped plate 10 is larger than elsewhere. The oil-gas separator 3 is positioned in this position, leaving ample clearance between the air tank 7 and the air compressor 2 for piping.

[0036] An aftercooler 4 is provided above the gas storage tank 7 and on the top of the box body 1. The aftercooler 4 is rectangular, placed horizontally, and installed on the top wall of the box body 1. An air outlet grille 17 is provided on the top wall of the box body 1 at a position corresponding to the aftercooler 4 for heat dissipation.

[0037] The aftercooler 4 specifically includes an air cooling zone and an oil cooling zone (not shown in the figure). The air cooling zone is connected to the oil-gas separator 3 and the air-water separator 5. The oil cooling zone is connected to the air compressor 2 through an oil inlet pipe and an oil outlet pipe. An oil filter 12 is provided on the oil inlet pipe and is installed on the rear side of the aftercooler 4. The oil in the air compressor 2 enters the oil filter 12 through the oil inlet pipe for filtration, and then enters the oil cooling zone of the aftercooler 4 for cooling. The cooled oil flows back to the air compressor 2 through the oil outlet pipe, ensuring that the oil in the air compressor 2 is maintained at a normal operating temperature, thereby ensuring the normal operation of the air compressor 2.

[0038] A control box 13 is provided on the right side of the aftercooler 4 and above the air compressor 2, in which a controller (not shown) is installed. The control box 13 is rectangular and vertically arranged.

[0039] In this embodiment, the all-in-one device's control panel 14 is located on the front sidewall of the housing 1 and is electrically connected to the controller. Conventional oxygen concentrators typically have their control panel 14 located on the wider sidewall. However, this arrangement requires the oxygen concentrator to be placed horizontally, requiring a wider space. In contrast, the all-in-one device of this embodiment has the control panel 14 located on the front side of the housing 1, allowing it to fit into spaces with a narrow horizontal width but a large vertical depth.

[0040] The control box 13 is arranged above the air compressor 2 instead of being arranged near the control panel 14 in order to make full use of the free space at the rear of the box body 1 and avoid affecting the wiring of the molecular sieve oxygen concentrator 9 and increasing the front and rear dimensions of the box body 1 due to occupying the front space of the molecular sieve oxygen concentrator 9.

[0041] An auxiliary cooler 15 is provided between the air storage tank 7 and the aftercooler 4. It is installed close to the left side wall of the box body 1 and is located in front of the air filter 11. It is connected to the pipeline between the air-water separator 5 and the cold dryer 6. It is used to further cool the high-pressure air. An air outlet is provided on the left side wall of the box body 1 corresponding to the position of the auxiliary cooler 15.

[0042] The high-pressure and high-temperature air compressed by the air compressor 2 is cooled in the aftercooler 4 for the first stage, then cooled in the auxiliary cooler 15 for the second stage, and then enters the cold dryer 6 for the third stage cooling. The three-stage cooling method improves the cooling effect of the high-pressure air and reduces the cooling load of the aftercooler 4 and the cold dryer 6.

[0043] The cold dryer 6 is located below the oil-gas separator 3 , and includes a heat dissipation fan, which is arranged toward the rear of the box body 1 . An air outlet is also provided on the rear side wall of the box body 1 corresponding to the position of the cold dryer 6 .

[0044] In this embodiment, an air intake grille 16 is provided on the lower portion of the left side wall of the box body 1 corresponding to the gas preparation area and the front portion of the bottom wall corresponding to the oxygen production area, so as to utilize the low-temperature air at a low position as the air source for cooling the box body 1 and the air compressor 2. An air outlet grille 17 is provided on the top wall of the box body 1 not only corresponding to the position of the aftercooler 4, but also corresponding to the position of the molecular sieve oxygen concentrator 9, so that the gas preparation area and the oxygen production area can each form air circulation, which is beneficial to heat dissipation in the box body 1.

[0045] The utility model provides a small-scale medical molecular sieve oxygen generator, which integrates various oxygen-generating structures together, and can be installed and transferred as a whole, thus simplifying the disassembly and assembly operations.

[0046] In addition, according to the size characteristics of each component structure, the taller molecular sieve oxygen generator 9 is separately arranged on the front side of the box body 1, and the gas storage tank 7 with a large diameter and high height is arranged on the rear side of the box body 1, and the remaining component structures with smaller sizes are layered up and down and arranged around the gas storage tank 7, making full use of the vertical space, making the layout of each component structure more compact, reducing the waste of layout space, and thus reducing the overall size of the chassis, reducing the demand for space for placing the all-in-one machine, and also facilitating transportation and transfer.

[0047] Among them, the cold dryer 6 is arranged on the rear side of the box body 1, below the L-shaped plate 10, which is conducive to using low-level cold air to cool the high-pressure air flowing through it. The oil-gas separator 3 is arranged above the cold dryer 6 due to its slender and tall characteristics, which is more convenient for it to use the vertical space above the cold dryer 6. The air compressor 2 is staggered with the cold dryer 6 due to its high heat generation, so as to avoid affecting the cooling effect of the cold dryer 6.

Claims

1. A small-scale molecular sieve oxygen concentrator for medical use, comprising a housing (1) and an air compressor (2), an oil-gas separator (3), an aftercooler (4), a gas-water separator (5), a cold dryer (6), a gas storage tank (7), a filter assembly (8) and a molecular sieve oxygen concentrator (9) located in the housing (1) and connected in sequence, characterized in that: The molecular sieve oxygen generator (9) is located at the front of the box (1), the gas storage tank (7) is located at the left side of the rear side of the molecular sieve oxygen generator (9), the air compressor (2) and the oil-gas separator (3) are respectively located on the right side and the rear side of the gas storage tank (7), and are supported by a horizontal L-shaped plate (10), the filter assembly (8) and the cold dryer (6) are installed below the L-shaped plate (10), and are respectively located below the air compressor (2) and the oil-gas separator (3), the aftercooler (4) is installed on the top of the box (1), and is located above the gas storage tank (7), and the gas-water separator (5) is located below the front of the aftercooler (4).

2. A medical small molecular sieve oxygen generator as claimed in claim 1, characterized in that: A sub-cooler (15) is also provided on the pipeline between the gas-water separator (5) and the cold dryer (6), which is located between the gas storage tank (7) and the aftercooler (4) and is installed close to the left side wall of the box body (1).

3. A medical small molecular sieve oxygen generator as claimed in claim 2, characterized in that: An air filter (11) connected to the air inlet of the air compressor (2) is also provided in the box (1), and is installed at the rear side of the auxiliary cooler (15) and at the left side of the oil-gas separator (3).

4. A medical small molecular sieve oxygen generator as claimed in claim 3, characterized in that: A control box (13) is also provided in the box body (1), in which a controller is installed. The control box (13) is located above the air compressor (2) and to the right of the aftercooler (4).

5. A medical small molecular sieve oxygen generator as claimed in claim 4, characterized in that: A control panel (14) is provided on the front side wall of the box (1) and is electrically connected to the controller.

6. A medical small molecular sieve oxygen generator as claimed in claim 3, characterized in that: The air compressor (2) extends longitudinally front to back, with its air inlet located in the middle of the top and connected to the air filter (11) via a pipeline located in front of the oil-gas separator (3), and its air outlet located at the rear end and connected to the right side wall of the oil-gas separator (3) via a pipeline.

7. The medical small molecular sieve oxygen generator according to claim 1, characterized in that: The molecular sieve oxygen generator (9) comprises three oxygen production towers, which are arranged on the left and right.

8. The medical small molecular sieve oxygen generator according to claim 1, characterized in that: A partition is provided in the box (1), which is erected between the gas storage tank (7) and the molecular sieve oxygen generator (9), and separates the space in the box (1) into an oxygen production area and a gas preparation area. The gas preparation area occupies 1 / 2 to 2 / 3 of the space in the box (1).

9. A medical small molecular sieve oxygen generator as claimed in claim 8, characterized in that: The lower portion of the left side wall of the box body (1) corresponding to the gas preparation area and the front portion of the bottom wall corresponding to the oxygen production area are provided with an air intake grille (16), and the top wall of the box body (1) corresponding to the positions of the aftercooler (4) and the molecular sieve oxygen generator (9) are provided with an air outlet grille (17).

10. The medical small molecular sieve oxygen generator according to claim 1, characterized in that: The aftercooler (4) comprises an air cooling zone and an oil cooling zone, the air cooling zone is connected to an oil-gas separator (3) and an air-water separator (5), the oil cooling zone is connected to an air compressor (2) via an oil inlet pipe and an oil outlet pipe, and an oil filter (12) is provided on the oil inlet pipe and is installed on the rear side of the aftercooler (4).

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