Pressure swing adsorption molecular sieve oxygen production device

Abstract

The utility model discloses a pressure swing adsorption molecular sieve oxygen generation device which comprises a movable plate, oxygen generator equipment is installed on the top wall of the movable plate, an air compressor is installed on the left side of an inner cavity of the oxygen generator equipment, and a filtering assembly is installed on the right side of the inner cavity of the oxygen generator equipment. According to the pressure swing adsorption molecular sieve oxygen generation device, an electric hydraulic cylinder is controlled by a controller to push a supporting plate and an anti-skid column to move downwards to make contact with the ground, and air enters the inner wall of a treatment box through an air inlet cover and an air inlet pipe, so that when oxygen generator equipment starts to work, when external air is extracted for use, the air is exhausted to the outside, and the service life of the oxygen generator equipment is prolonged; according to the oxygen generator, impurities in air can be filtered in a layered mode according to different particle sizes, the situation of frequent blocking can be prevented, normal oxygen generation work of oxygen generator equipment can be kept, the whole device can be supported and stressed, and the situation of position deviation during work can be prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of oxygen production equipment, in particular to a pressure swing adsorption molecular sieve oxygen production device. Background Art

[0002] Pressure swing adsorption vacuum desorption oxygen generator (VPSA oxygen generator for short) uses VPSA special molecular sieve to selectively adsorb impurities such as nitrogen, carbon dioxide and water in the air under the condition of penetrating atmospheric pressure, and desorbs the molecular sieve under vacuum conditions to produce high-purity oxygen (90-94%) in a cycle. VPSA has low energy consumption, and the larger the equipment, the lower its energy consumption.

[0003] The patent with application number CN202322313351.5 discloses a molecular sieve pressure swing adsorption oxygen production equipment with a safety circuit, including an oxygen production equipment body, end plates are installed at both ends of the oxygen production equipment body, electric telescopic rods are installed on both sides of the end plates, a top plate is installed on the top of the electric telescopic rod, which has strong stability, and the bottom is supported by a retractable support base plate to improve the overall stability and increase the contact area between the entire equipment and the ground; replacing the grid and activated carbon filter is very simple, without the need to remove bolts and other operations, and it is also very convenient to inspect and replace the air compressor and adsorption tower inside. The sealing plate is automatically raised by the telescopic rod, so that the grid and activated carbon filter can be quickly taken out. During maintenance, maintenance can be carried out at multiple angles, which is flexible; it also has a backup battery, which can continue to supply power for use when the external power is cut off.

[0004] The above device has certain shortcomings when used: the above device can quickly filter dust impurities in the air through an activated carbon filter, but since there are also many large-size impurities in the control, they will block the activated carbon filter and affect the normal air intake and oxygen production of the oxygen production equipment.

[0005] Therefore, the utility model provides a pressure swing adsorption molecular sieve oxygen production device to solve the above problems. Utility Model Content

[0006] In view of the deficiencies in the prior art, the utility model provides a pressure swing adsorption molecular sieve oxygen production device to solve the above problems.

[0007] To achieve the above purpose, the utility model is implemented through the following technical solutions: a pressure swing adsorption molecular sieve oxygen making device, comprising a moving plate, an oxygen making machine device is installed on the top wall of the moving plate, an air compressor is installed on the left side of the inner cavity of the oxygen making machine device, a filter component is installed on the right side of the inner cavity of the oxygen making machine device, an adsorption component is installed in the inner cavity of the oxygen making machine device and on the left side of the air compressor, and lifting components are installed on both sides of the left and right sides of the top wall of the moving plate;

[0008] The filter assembly includes a processing box, the inner wall of which is evenly provided with a plurality of installation grooves, the inner walls of which are slidably provided with a plurality of installation frames, the inner walls of which are provided with filter screens, a sealing cover is installed on the top wall of the processing box, a sealing ring is fixedly connected to the outer edge of the bottom wall of the sealing cover, a rubber strip is fixedly connected to the bottom wall of the sealing cover and the corresponding positions of the installation grooves, the rear wall of the processing box is connected with an air inlet pipe, the top end of the air inlet pipe passes through the processing box through a leak-proof rubber sleeve and is connected with an air inlet hood, and the front wall of the processing box is connected with an air outlet pipe.

[0009] Through the above technical solution, the setting of the filter component can filter the impurities in the air extracted from the outside layer by layer to prevent excessive blockage and avoid affecting the normal working state of the oxygen generator equipment.

[0010] Furthermore, the air compressor is connected to the filter assembly, the filter assembly and the adsorption assembly are both connected to the outside, the bottom wall of the processing box is fixedly connected to the right side of the inner bottom wall of the oxygen generator equipment, the mounting grooves are evenly and symmetrically arranged front to back, the filter nets are symmetrically arranged front to back and the filter holes become larger from front to back, and the filter nets are made of activated carbon as the main raw material.

[0011] Through the above technical solution, the filter screens are arranged symmetrically front to back and the filter holes become larger from front to back, so that the drawn air can be filtered in layers and impurities of different particle sizes in the air can be filtered.

[0012] Furthermore, the inner wall of the sealing ring fits with the top of the outer wall of the processing box, the outer walls of the rubber strip fit with the inner walls of the corresponding mounting grooves, the bottom walls of the rubber strip fit with the top walls of the corresponding mounting frames, the top wall of the sealing cover is fixedly connected with a handle, and the left side of the air outlet pipe is connected to the air inlet of the air compressor.

[0013] Through the above technical solution, the handle can drive the rubber strip of the sealing cover to break away from the contact with the processing box.

[0014] Furthermore, the adsorption assembly includes two adsorption tanks, both of which are located in the inner cavity of the oxygen concentrator equipment. The two adsorption tanks are arranged symmetrically on the left and right. The outer walls of the bottoms of the two adsorption tanks are fixedly connected to support frames, and the bottom ends of the support frames are fixedly connected to the inner bottom wall of the oxygen concentrator equipment. The two adsorption tanks are connected by a connecting pipe.

[0015] Through the above technical solution, the two adsorption tanks can perform adsorption treatment on the filtered air.

[0016] Furthermore, the bottom wall of the adsorption tank on the right side is connected with a connecting pipe, the right end of the connecting pipe is connected with the air outlet of the air compressor, an electromagnetic valve is installed on the outer wall of the connecting pipe, and the top wall of the adsorption tank on the left side is connected with an exhaust pipe, and the left end of the exhaust pipe passes through the oxygen generator equipment through a leak-proof rubber sleeve and is connected with an exhaust hood.

[0017] Through the above technical solution, the air compressor discharges air into the interior of the two adsorption tanks through the connecting pipe.

[0018] Furthermore, the lifting assembly includes two electric hydraulic cylinders, which are symmetrically arranged on the left and right. The bottom walls of the two electric hydraulic cylinders are fixedly connected to the top wall of the movable plate. The movable ends of the two electric hydraulic cylinders slide through the movable plate and are fixedly connected to a support plate. The front and rear parts of the bottom wall of the support plate are fixedly connected to anti-slip columns.

[0019] Through the above technical solution, the two electric hydraulic cylinders drive the support plate and the anti-skid column to contact the ground and bear force, thereby supporting the entire device.

[0020] Furthermore, universal wheels are rotatably installed at the four corners of the bottom wall of the movable plate, a push handle is fixedly connected to the right wall of the movable plate, a placement frame is fixedly connected to the rear wall of the oxygen concentrator equipment, a mobile power supply is installed on the inner wall of the placement frame, a cabinet door is hingedly installed on the front wall of the oxygen concentrator equipment, and a controller is installed on the front wall of the cabinet door.

[0021] Through the above technical solution, the setting of the universal wheels can move the entire device to a suitable working place.

[0022] Beneficial Effects

[0023] The utility model provides a pressure swing adsorption molecular sieve oxygen production device. Compared with the prior art, it has the following beneficial effects:

[0024] (1) The pressure swing adsorption molecular sieve oxygen making device controls the electric hydraulic cylinder through the controller to push the support plate and the anti-skid column downward to contact the ground. After the support plate and the anti-skid column are subjected to force, the entire device is propped up. The air compressor draws air from the outside through the outlet pipe and the processing box. Under the cooperation of the air inlet pipe and the air inlet hood, a negative pressure is formed inside the air inlet hood. The air passes through the air inlet hood and the air inlet pipe and enters the inner wall of the processing box. Then, after being filtered layer by layer by the filter screen, the air enters the inner wall of the outlet pipe and enters the adsorption component through the air compressor. The solenoid valve is in an open state, and the air enters the adsorption tank through the connecting pipe to start adsorption and is discharged through the connecting pipe, the exhaust pipe and the exhaust hood. When the oxygen making device starts to work, when the external air is extracted, the impurities in the air can be filtered in layers according to the sizes of different particle sizes, which can prevent frequent blockages and maintain the normal oxygen making work of the oxygen making device. In addition, the entire device can be supported and subjected to force to prevent position displacement during operation.

[0025] (2) The pressure swing adsorption molecular sieve oxygen generator is opened by means of a handle, a sealing cover and a sealing ring, thereby breaking away from contact with the treatment box and driving the rubber strip to break away from contact with the mounting groove and the mounting frame. The filter drives the mounting frame to be taken out from the inner wall of the mounting groove and replaced, and then other components are inspected and repaired, so that when the filter is in long-term operation, it needs to be regularly inspected and repaired to maintain its working condition and filtering effect. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a three-dimensional diagram of the external structure of the utility model;

[0027] Figure 2 It is the front view of the internal structure of the utility model;

[0028] Figure 3 It is a cross-sectional view of the internal structure of the utility model;

[0029] Figure 4 It is an exploded view of the internal structure of the processing box of the utility model;

[0030] Figure 5 It is a rear view of the external structure of the utility model.

[0031] In the figure, 1, moving plate; 2, lifting assembly; 21, electric hydraulic cylinder; 22, supporting plate; 23, anti-skid column; 3, universal wheel; 4, oxygen generator equipment; 5, push handle; 6, filter assembly; 61, processing box; 62, air outlet pipe; 63, filter net; 64, sealing cover; 65, handle; 66, sealing ring; 67, air inlet pipe; 68, air inlet hood; 69, rubber strip; 610, installation groove; 611, installation frame; 7, adsorption assembly; 71, adsorption tank; 72, supporting frame; 73, connecting pipe; 74, connecting pipe; 75, solenoid valve; 76, exhaust pipe; 77, exhaust hood; 8, air compressor; 9, placement frame; 10, mobile power supply; 11, cabinet door; 12, controller. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0033] Embodiment 1:

[0034] See also Figure 1-5 A pressure swing adsorption molecular sieve oxygen production device comprises a moving plate 1, an oxygen generator device 4 is installed on the top wall of the moving plate 1, an air compressor 8 is installed on the left side of the inner cavity of the oxygen generator device 4, a filter component 6 is installed on the right side of the inner cavity of the oxygen generator device 4, an adsorption component 7 is installed in the inner cavity of the oxygen generator device 4 and on the left side of the air compressor 8, and lifting components 2 are installed on both sides of the left and right sides of the top wall of the moving plate 1;

[0035] The filter assembly 6 includes a processing box 61, the inner wall of the processing box 61 is evenly provided with a plurality of installation grooves 610, the inner walls of the installation grooves 610 are slidably provided with a plurality of installation frames 611, the inner walls of the installation frames 611 are provided with filter screens 63, a sealing cover 64 is provided on the top wall of the processing box 61, a sealing ring 66 is fixedly connected to the outer edge of the bottom wall of the sealing cover 64, a rubber strip 69 is fixedly connected to the bottom wall of the sealing cover 64 and the position corresponding to the installation groove 610, the rear wall of the processing box 61 is connected with an air inlet pipe 67, the top end of the air inlet pipe 67 passes through the processing box 61 through a leak-proof rubber sleeve and is connected with an air inlet cover 68, and the front wall of the processing box 61 is connected with an air outlet pipe 62;

[0036] In the embodiment of the utility model, the purpose of this arrangement is that the filter assembly 6 is arranged so that the filter screens 63 are symmetrically arranged front to back and the filter holes are gradually enlarged from front to back, so that impurities of different particle sizes in the air holes can be filtered and separated to prevent such impurities from entering the interior of the oxygen generator equipment 4, and discharged into the interior of the adsorption assembly 7 through the air compressor 8 for treatment, and the overall replacement is simple and convenient for later maintenance.

[0037] Embodiment 2:

[0038] See also Figure 1-5 This embodiment provides a technical solution based on the first embodiment: the air compressor 8 is connected to the filter assembly 6, the filter assembly 6 and the adsorption assembly 7 are both connected to the outside, the bottom wall of the treatment box 61 is fixedly connected to the right side of the inner bottom wall of the oxygen generator device 4, the installation groove 610 is evenly symmetrically arranged front and back, the filter screens 63 are symmetrically arranged front and back and the filter holes are gradually enlarged from front to back, the filter screens 63 are made of activated carbon as the main raw material, the inner wall of the sealing ring 66 is in contact with the top of the outer wall of the treatment box 61, and the outer wall of the rubber strip 69 is The bottom walls of the rubber strips 69 are all in contact with the top walls of the corresponding mounting frames 611. The top wall of the sealing cover 64 is fixedly connected with a handle 65. The left side of the air outlet pipe 62 is connected with the air inlet of the air compressor 8. The adsorption assembly 7 includes two adsorption tanks 71. The two adsorption tanks 71 are both located in the inner cavity of the oxygen generator 4. The two adsorption tanks 71 are arranged symmetrically. The outer walls of the bottoms of the two adsorption tanks 71 are fixedly connected with support frames 72. The bottom ends of the support frames 72 are fixedly connected with the inner bottom wall of the oxygen generator 4. The two adsorption tanks 71 are connected through a connecting pipe 73. The bottom wall of the adsorption tank 71 on the right side is connected with a connecting pipe 74. The right end of the connecting pipe 74 is connected with the air outlet of the air compressor 8. The outer wall of the connecting pipe 74 is installed with a solenoid valve 75. The top wall of the adsorption tank 71 on the left side is connected with an exhaust pipe 76. The left end of the exhaust pipe 76 passes through the oxygen concentrator equipment 4 through a leak-proof rubber sleeve and is connected with an exhaust hood 77. The lifting assembly 2 includes two electric hydraulic cylinders 21. The two electric hydraulic cylinders 21 are arranged symmetrically on the left and right. The bottom walls are fixedly connected to the top wall of the moving plate 1, the movable ends of the two electric hydraulic cylinders 21 are slidably penetrated through the moving plate 1 and are fixedly connected to the support plate 22, the front and rear parts of the bottom wall of the support plate 22 are fixedly connected to the anti-slip columns 23, the four corners of the bottom wall of the moving plate 1 are rotatably installed with universal wheels 3, the right wall of the moving plate 1 is fixedly connected to the push handle 5, the rear wall of the oxygen generator equipment 4 is fixedly connected to the placement frame 9, the inner wall of the placement frame 9 is installed with a mobile power supply 10, the front wall of the oxygen generator equipment 4 is hingedly installed with a cabinet door 11, and the front wall of the cabinet door 11 is installed with a controller 12;

[0039] In the embodiment of the utility model, the purpose of this arrangement is that the adsorption component 7 can perform secondary treatment on the filtered air. At the same time, the lifting component 2 can apply force to the whole device toward the ground to prevent the position from moving. The whole device is controlled by the controller 12 to work.

[0040] Meanwhile, the contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0041] When working, first connect the electric hydraulic cylinder 21, the oxygen generator equipment 4, the solenoid valve 75 and the air compressor 8 through the mobile power supply 10 and the controller 12, first push the movable plate 1 through the push handle 5 to drive the universal wheel 3 to rotate and move the entire device to a suitable position to start working, and control the electric hydraulic cylinder 21 through the controller 12 to push the support plate 22 and the anti-skid column 23 to move down and contact the ground, so that the support plate 22 and the anti-skid column 23 are forced to prop up the entire device to prevent the displacement of the entire device. When starting to work, the air compressor 8 is controlled by the controller 12 to work, and the air compressor 8 draws air from the outside through the outlet pipe 62 and the processing box 61, and forms a negative pressure inside the air intake hood 68 through the cooperation of the air intake pipe 67 and the air intake hood 68, so that the external air passes through the air intake hood 68 and The air inlet pipe 67 enters the inner wall of the processing box 61, and then enters the inner wall of the air outlet pipe 62 after being filtered layer by layer by the filter screen 63, and enters the interior of the adsorption component 7 through the air compressor 8. The solenoid valve 75 is in an open state, and enters the adsorption tank 71 through the connecting pipe 74 to start adsorption and is discharged through the connecting pipe 73, the exhaust pipe 76 and the exhaust hood 77. When it is necessary to inspect the interior of the movable plate 1, you can first rotate the cabinet door 11 and then open it through the handle 65, the sealing cover 64 and the sealing ring 66, and then break away from the contact with the processing box 61 and drive the rubber strip 69 to break away from the contact with the mounting groove 610 and the mounting frame 611, and then drive the filter screen 63 to take out the mounting frame 611 from the inner wall of the mounting groove 610 for replacement, and then check and repair other components.

[0042] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0043] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pressure swing adsorption molecular sieve oxygen production device, comprising a moving plate (1), characterized in that: An oxygen concentrator device (4) is installed on the top wall of the movable plate (1); an air compressor (8) is installed on the left side of the inner cavity of the oxygen concentrator device (4); a filter component (6) is installed on the right side of the inner cavity of the oxygen concentrator device (4); an adsorption component (7) is installed in the inner cavity of the oxygen concentrator device (4) and on the left side of the air compressor (8); and lifting components (2) are installed on both the left and right sides of the top wall of the movable plate (1); The filter assembly (6) comprises a processing box (61), the inner wall of the processing box (61) is evenly provided with a plurality of installation grooves (610), the inner walls of the installation grooves (610) are slidably provided with a plurality of installation frames (611), the inner walls of the installation frames (611) are provided with filter screens (63), the top wall of the processing box (61) is provided with a sealing cover (64), the outer edge of the bottom wall of the sealing cover (64) is fixedly connected with a sealing ring (66), the bottom wall of the sealing cover (64) and the position corresponding to the installation groove (610) are fixedly connected with a rubber strip (69), the rear wall of the processing box (61) is connected with an air inlet pipe (67), the top end of the air inlet pipe (67) passes through the processing box (61) through a leak-proof rubber sleeve and is connected with an air inlet cover (68), and the front wall of the processing box (61) is connected with an air outlet pipe (62).

2. A pressure swing adsorption molecular sieve oxygen production device according to claim 1, characterized in that: The air compressor (8) is connected to the filter assembly (6), the filter assembly (6) and the adsorption assembly (7) are both connected to the outside, the bottom wall of the treatment box (61) is fixedly connected to the right side of the inner bottom wall of the oxygen generator equipment (4), the installation grooves (610) are evenly and symmetrically arranged front to back, the filter screens (63) are symmetrically arranged front to back and the filter holes are gradually larger from front to back, and the filter screens (63) are made of activated carbon as the main raw material.

3. A pressure swing adsorption molecular sieve oxygen production device according to claim 1, characterized in that: The inner wall of the sealing ring (66) fits with the top of the outer wall of the processing box (61), the outer wall of the rubber strip (69) fits with the inner wall of the corresponding installation groove (610), the bottom wall of the rubber strip (69) fits with the top wall of the corresponding installation frame (611), the top wall of the sealing cover (64) is fixedly connected with a handle (65), and the left side of the air outlet pipe (62) is connected to the air inlet of the air compressor (8).

4. A pressure swing adsorption molecular sieve oxygen production device according to claim 1, characterized in that: The adsorption assembly (7) comprises two adsorption tanks (71), the two adsorption tanks (71) are both located in the inner cavity of the oxygen concentrator device (4), the two adsorption tanks (71) are arranged symmetrically on the left and right, the bottom outer walls of the two adsorption tanks (71) are fixedly connected to a support frame (72), the bottom ends of the support frames (72) are fixedly connected to the inner bottom wall of the oxygen concentrator device (4), and the two adsorption tanks (71) are connected via a connecting pipe (73).

5. A pressure swing adsorption molecular sieve oxygen production device according to claim 4, characterized in that: The bottom wall of the adsorption tank (71) located on the right side is connected to a connecting pipe (74), the right end of the connecting pipe (74) is connected to the air outlet of the air compressor (8), and the outer wall of the connecting pipe (74) is installed with a solenoid valve (75). The top wall of the adsorption tank (71) located on the left side is connected to an exhaust pipe (76), and the left end of the exhaust pipe (76) passes through the oxygen generator equipment (4) through a leak-proof rubber sleeve and is connected to an exhaust hood (77).

6. A pressure swing adsorption molecular sieve oxygen production device according to claim 1, characterized in that: The lifting assembly (2) comprises two electric hydraulic cylinders (21), the two electric hydraulic cylinders (21) are arranged symmetrically on the left and right, the bottom walls of the two electric hydraulic cylinders (21) are fixedly connected to the top wall of the movable plate (1), the movable ends of the two electric hydraulic cylinders (21) slide through the movable plate (1) and are fixedly connected to a support plate (22), and the front and rear parts of the bottom wall of the support plate (22) are fixedly connected to anti-skid columns (23).

7. A pressure swing adsorption molecular sieve oxygen production device according to claim 1, characterized in that: Universal wheels (3) are rotatably mounted at the four corners of the bottom wall of the movable plate (1), a push handle (5) is fixedly connected to the right wall of the movable plate (1), a placement frame (9) is fixedly connected to the rear wall of the oxygen concentrator device (4), a mobile power source (10) is mounted on the inner wall of the placement frame (9), a cabinet door (11) is hingedly mounted on the front wall of the oxygen concentrator device (4), and a controller (12) is mounted on the front wall of the cabinet door (11).

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