A two-tower air separation device for PSA pressure swing adsorption

Abstract

The utility model discloses a two-tower air separation device for PSA pressure swing adsorption, and relates to the technical field of two-tower air separation devices. The two-tower air separation device for PSA pressure swing adsorption comprises a tower body, a fence is fixedly connected to the upper surface of the tower body, a mounting plate is fixedly connected to the outer surface of the tower body, a rotation groove is provided on the left surface of the right mounting plate, a mounting block is arranged inside the rotation groove, the front and rear side surfaces of the mounting block are respectively fixedly connected to the rotation shaft, the opposite ends of the two rotation shafts are respectively rotationally connected to the inner wall of the rotation groove, a cross bar is fixedly connected to the left surface of the mounting block, the left end of the cross bar extends out of the rotation groove, and a moving groove is provided inside the right mounting plate, so that when the ladder is not used, the cross bar can be entered into the rotation groove by rotating the mounting block, so that the cross bar is protected by the rotation groove to avoid rust and the problem of accelerated aging.

Description

Technical Field

[0001] The utility model relates to the technical field of two-tower air separation devices, in particular to a two-tower air separation device for PSA pressure swing adsorption. Background Art

[0002] PSA (Pressure Swing Adsorption, PSA) two-tower air separation unit is a device used to separate oxygen and nitrogen in the air. It uses the characteristics of adsorbents to adsorb and desorb gases, and achieves the separation of oxygen and nitrogen by changing the pressure.

[0003] During the use of the PAS double tower, air passes through the adsorption tower, oxygen and nitrogen are adsorbed by the adsorbent, and then the adsorption and desorption are achieved by changing the pressure, thereby separating pure oxygen and nitrogen. Among them, one adsorption tower is adsorbing gas while the other adsorption tower is desorbing gas, and continuous gas separation is achieved by alternating work. The PSA two-tower air separation device requires regular maintenance, including replacement of adsorbents and inspection of various parts of the equipment to ensure the normal operation and efficient separation of the equipment. Due to its large size, it needs to be placed outdoors, and when replacing and repairing the valves on the top, it is necessary to climb to the top of the tower. Due to exposure to the outdoors, long-term weathering and rain corrosion will cause the ladder to rust and age, posing certain safety hazards. In view of this, we propose a PSA pressure swing adsorption two-tower air separation device. Utility Model Content

[0004] The purpose of the utility model is to solve at least one of the technical problems existing in the prior art and to provide a two-tower air separation device for PSA pressure swing adsorption, which can solve the problem that long-term weathering and rain corrosion may cause rust and aging of the ladder.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a two-tower air separation device for PSA pressure swing adsorption, comprising a tower body, a fence fixedly connected to the upper surface of the tower body, a mounting plate fixedly connected to the outer surface of the tower body, a rotating groove is provided on the left surface of the right mounting plate, a mounting block is arranged inside the rotating groove, front and rear side surfaces of the mounting block are respectively fixedly connected with rotating shafts, opposite ends of the two rotating shafts are respectively rotatably connected to the inner wall of the rotating groove, a cross bar is fixedly connected to the left surface of the mounting block, the left end of the cross bar extends out of the rotating groove, a moving groove is provided inside the right mounting plate, the rear end of the rear rotating shaft rotates and penetrates into the interior of the moving groove, the rear end of the rear rotating shaft is fixedly connected to a worm gear, a second moving groove is provided inside the mounting plate, the second moving groove is communicated with the interior of the moving groove, and a driving assembly is arranged on the second moving groove.

[0006] Preferably, the driving assembly includes a worm, which is rotatably connected to the upper and lower inner walls of the second motion groove, and the lower end of the worm rotates through the lower surface of the mounting plate. The lower surface of the mounting plate is fixedly connected to a motor, and the output end of the motor is fixedly connected to the worm.

[0007] Preferably, a storage groove is provided on the right side surface of the left mounting plate, and a sealing plate is provided inside the storage groove.

[0008] Preferably, a T-shaped slide groove is provided on the right side surface of the sealing plate, and a sliding block is slidably connected inside the T-shaped slide groove.

[0009] Preferably, the outer surface of the crossbar is rotatably connected to a connecting frame, the connecting frame is fixedly connected to the sliding block, and a limiting groove is provided on the outer surface of the tower body.

[0010] Preferably, the inner wall of the storage groove is also provided with a limiting groove.

[0011] Preferably, the interiors of the two limiting grooves are communicated with each other, and the rear surface of the sealing plate is fixedly connected to a limiting slider.

[0012] Preferably, the limiting sliding block is slidably connected to a limiting groove located on the tower body.

[0013] Compared with the prior art, the beneficial effects of the utility model are:

[0014] (1) The PSA pressure swing adsorption two-tower air separation device, when the ladder is not in use, drives the worm gear to rotate through the driving assembly. When the worm gear rotates, it will synchronously drive the rotating shaft to rotate. When the rotating shaft rotates, it will synchronously drive the cross bar to rotate using the mounting block. After the cross bar rotates, it enters the interior of the rotating groove. Through the above structure, when the ladder is not used, the mounting block can be rotated to make the cross bar enter the interior of the rotating groove, so that the rotating groove can be used to protect the cross bar to avoid rust and accelerated aging.

[0015] (2) In the PSA pressure swing adsorption two-tower air separation device, when the sliding block moves, it will simultaneously pull the sealing plate to move. When the sealing plate moves, the movement is limited by the limit groove to ensure that it can only move horizontally. At the same time, because the cross bar moves in an arc when it is retracted, when the connecting frame drives the sliding block to move, it will also drive the sliding block to slide inside the T-shaped slide groove. After the sealing plate moves, it closes the rotating groove. Through the above structure, when the cross bar is protected, it can also automatically drive the sealing plate to move, and then use the sealing plate to close the rotating groove to prevent rainwater from entering the interior of the rotating groove and causing rust on the internal components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention is further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 This is a schematic diagram of the structure of a two-tower air separation device for PSA pressure swing adsorption in the utility model;

[0018] Figure 2 This is a schematic diagram of the limit slot of the utility model;

[0019] Figure 3 This is a schematic diagram of the interior of the rotating tank of the utility model;

[0020] Figure 4 This is a schematic diagram of the worm of the utility model;

[0021] Figure 5 It is a schematic diagram of a T-shaped slideway of the utility model.

[0022] Figure numerals: 1. tower body; 2. fence; 3. mounting plate; 4. rotating groove; 5. mounting block; 6. rotating shaft; 7. cross bar; 8. limiting slider; 9. motion groove; 10. worm gear; 11. second motion groove; 12. worm; 13. motor; 14. storage groove; 15. sealing plate; 16. T-shaped slide groove; 17. sliding block; 18. connecting frame; 19. limiting groove. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] See also Figure 1-5The utility model provides a technical solution: a two-tower air separation device for PSA pressure swing adsorption, comprising a tower body 1, a fence 2 is fixedly connected to the upper surface of the tower body 1, a mounting plate 3 is fixedly connected to the outer surface of the tower body 1, a rotating groove 4 is provided on the left surface of the right mounting plate 3, a mounting block 5 is arranged inside the rotating groove 4, a rotating shaft 6 is fixedly connected to the front and rear side surfaces of the mounting block 5, respectively, the opposite ends of the two rotating shafts 6 are respectively rotatably connected to the inner wall of the rotating groove 4, a cross bar 7 is fixedly connected to the left surface of the mounting block 5, the left end of the cross bar 7 extends out of the rotating groove 4, a moving groove 9 is provided inside the right mounting plate 3, the rear end of the rear rotating shaft 6 rotates and penetrates into the interior of the moving groove 9, and the rear rotating A worm gear 10 is fixedly connected to the rear end of the shaft 6, and a second movement groove 11 is opened inside the mounting plate 3. The second movement groove 11 is communicated with the interior of the movement groove 9. A driving assembly is arranged on the second movement groove 11. When the ladder is not in use, the worm gear 10 is driven to rotate by the driving assembly. When the worm gear 10 rotates, it will synchronously drive the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, it will synchronously drive the cross bar 7 to rotate using the mounting block 5. After the cross bar 7 rotates, it enters the interior of the rotating groove 4. Through the above structure, when the ladder is not used, the cross bar 7 can be allowed to enter the interior of the rotating groove 4 by rotating the mounting block 5, so that the rotating groove 4 can be used to protect the cross bar 7 to avoid rust and accelerated aging.

[0025] Furthermore, the driving assembly includes a worm 12, which is rotatably connected to the upper and lower inner walls of the second motion groove 11, and the lower end of the worm 12 rotates to pass through the lower surface of the mounting plate 3, and the lower surface of the mounting plate 3 is fixedly connected to a motor 13, and the output end of the motor 13 is fixedly connected to the worm 12. A storage groove 14 is provided on the right side surface of the left mounting plate 3, and a sealing plate 15 is provided inside the storage groove 14. A T-shaped slide groove 16 is provided on the right side surface of the sealing plate 15, and a sliding block 17 is slidably connected inside the T-shaped slide groove 16. A connecting frame 18 is rotatably connected to the outer surface of the cross bar 7, and the connecting frame 18 is fixedly connected to the sliding block 17. A limiting groove 19 is provided on the outer surface of the tower body 1, and a limiting groove 19 is also provided on the inner wall of the storage groove 14. The interiors of the two limiting grooves 19 are communicated, and a limiting slider 8 is fixedly connected to the rear surface of the sealing plate 15, and the limiting slider 8 is slidably connected to the limiting groove 19 located on the tower body 1. The longest side of the connecting frame 18 described in the text is less than The indirect connection between the two inner walls of the rotating groove 4 is synchronously driven by the motor 13 to rotate the worm 12. After the worm 12 rotates, it synchronously drives the worm wheel 10 to rotate, and then drives the cross bar 7 to retract. At the same time, when the cross bar 7 is retracted, the connecting frame 18 will be used to synchronously drive the sliding block 17 to move. When the sliding block 17 moves, it will synchronously pull the sealing plate 15 to move. The sealing plate 15 is limited by the limit groove 19 during movement to ensure that it can only move horizontally. At the same time, since the cross bar 7 moves in an arc when it is retracted, when the connecting frame 18 drives the sliding block 17 to move, it will also drive the sliding block 17 to slide inside the T-shaped slide groove 16. After the sealing plate 15 moves, the rotating groove 4 is closed. Through the above structure, when protecting the cross bar 7, the sealing plate 15 can also be automatically driven to move, and then the rotating groove 4 is closed by the sealing plate 15 to prevent rainwater from entering the interior of the rotating groove 4 and causing rust on the internal components.

[0026] Working principle: when the ladder is not in use, the worm gear 10 is driven to rotate by the driving assembly. When the worm gear 10 rotates, it will synchronously drive the rotating shaft 6 to rotate. When the rotating shaft 6 rotates, it will synchronously use the mounting block 5 to drive the cross bar 7 to rotate. After the cross bar 7 rotates, it enters the interior of the rotating groove 4 and synchronously drives the worm 12 to rotate through the motor 13. After the worm 12 rotates, it synchronously drives the worm gear 10 to rotate, thereby driving the cross bar 7 to retract. At the same time, when the cross bar 7 is retracted, the connecting frame 18 will synchronously drive the sliding block 17 to move. When the sliding block 17 moves, it will synchronously pull the sealing plate 15 to move. The sealing plate 15 is limited by the limit groove 19 during movement to ensure that it can only move horizontally. At the same time, because the cross bar 7 performs an arc motion when it is retracted, when the connecting frame 18 drives the sliding block 17 to move, it will also drive the sliding block 17 to slide inside the T-shaped slide groove 16. After the sealing plate 15 moves, the rotating groove 4 is closed.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments. Various changes can be made within the knowledge scope of ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A two-tower air separation device for PSA pressure swing adsorption, comprising a tower body (1), characterized in that: The upper surface of the tower body (1) is fixedly connected with a fence (2), the outer surface of the tower body (1) is fixedly connected with a mounting plate (3), the left surface of the right mounting plate (3) is provided with a rotation groove (4), the interior of the rotation groove (4) is provided with a mounting block (5), the front and rear side surfaces of the mounting block (5) are respectively fixedly connected with rotation shafts (6), the opposite ends of the two rotation shafts (6) are respectively rotationally connected with the inner wall of the rotation groove (4), the left surface of the mounting block (5) is fixedly connected with a cross bar (7), the left end of the cross bar (7) extends out of the rotation groove (4), the interior of the right mounting plate (3) is provided with a motion groove (9), the rear end of the rear rotation shaft (6) rotationally penetrates into the interior of the motion groove (9), the rear end of the rear rotation shaft (6) is fixedly connected with a worm gear (10), the interior of the mounting plate (3) is provided with a second motion groove (11), the second motion groove (11) is communicated with the interior of the motion groove (9), and a driving component is provided on the second motion groove (11).

2. A two-tower air separation device for PSA pressure swing adsorption according to claim 1, characterized in that: The driving assembly comprises a worm (12), the worm (12) being rotatably connected to the upper and lower inner walls of the second motion groove (11), the lower end of the worm (12) being rotatably connected to the lower surface of the mounting plate (3), the lower surface of the mounting plate (3) being fixedly connected to a motor (13), and the output end of the motor (13) being fixedly connected to the worm (12).

3. A two-tower air separation device for PSA pressure swing adsorption according to claim 1, characterized in that: A storage groove (14) is provided on the right side surface of the left installation plate (3), and a sealing plate (15) is provided inside the storage groove (14).

4. A two-tower air separation device for PSA pressure swing adsorption according to claim 3, characterized in that: A T-shaped sliding groove (16) is provided on the right side surface of the sealing plate (15), and a sliding block (17) is slidably connected inside the T-shaped sliding groove (16).

5. A two-tower air separation device for PSA pressure swing adsorption according to claim 1, characterized in that: The outer surface of the crossbar (7) is rotatably connected to a connecting frame (18), the connecting frame (18) is fixedly connected to the sliding block (17), and a limiting groove (19) is provided on the outer surface of the tower body (1).

6. A two-tower air separation device for PSA pressure swing adsorption according to claim 3, characterized in that: The inner wall of the storage groove (14) is also provided with a limiting groove (19).

7. A two-tower air separation device for PSA pressure swing adsorption according to claim 6, characterized in that: The interiors of the two limiting grooves (19) are communicated with each other, and the rear surface of the sealing plate (15) is fixedly connected to the limiting slider (8).

8. A two-tower air separation device for PSA pressure swing adsorption according to claim 7, characterized in that: The limiting sliding block (8) is slidably connected to a limiting groove (19) located on the tower body (1).

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