Energy-saving and environment-friendly oxygen enrichment unit and use method thereof

Abstract

The application relates to an energy-saving and environment-friendly oxygen enrichment unit and a use method thereof, which comprises a machine cylinder, the inside of the machine cylinder is filled with molecular sieve particles, an air inlet pipe and a nitrogen discharge pipe are connected between the two top ends of the machine cylinder, an oxygen discharge pipe is connected between the two bottom ends of the machine cylinder, and a first three-way control valve is installed on the air inlet pipe. The position of a communication groove is adjusted through the rotation of a cylinder sleeve, then the cylinder sleeve is cooperated with a feeding groove and a discharging groove, automatic opening and closing of the two ends of the machine cylinder is realized, when the two ends of the machine cylinder are in the opened state, the molecular sieve particles in the machine cylinder are driven to move upwards through the rotation of a rotating shaft and helical blades driven by a second motor, the molecular sieve particles in a first conical shell are supplemented into the machine cylinder, the molecular sieve particles above the machine cylinder enter a second conical shell, the molecular sieve particles in the machine cylinder are gradually replaced from top to bottom, and automatic replacement of the molecular sieve particles in the machine cylinder is realized.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of oxygen enrichment unit, and in particular to an energy-saving and environment-friendly oxygen enrichment unit and a use method thereof. BACKGROUND

[0002] By using air separation technology and the adsorption performance of molecular sieve, nitrogen and oxygen in air are separated by physical principles, and finally high-concentration oxygen and nitrogen are obtained.

[0003] When nitrogen and oxygen are separated by molecular sieve, air enters from the top of the molecular sieve, dust and water vapor in the air are adsorbed in the top space of the molecular sieve, which affects the separation of nitrogen and oxygen in the air by the molecular sieve, and the adsorption frequency of the top of the molecular sieve is high, while the bottom of the molecular sieve is less polluted. When the molecular sieve particles are replaced regularly, the overall replacement usually needs to be done manually. At the same time, when the molecular sieve particles are replaced, there may be areas inside the machine cylinder that are not fully filled, which affects the subsequent normal use. SUMMARY

[0004] The present application solves the problem of providing an energy-saving and environment-friendly oxygen enrichment unit and a use method thereof, which solves the technical problem that when nitrogen and oxygen are separated by molecular sieve, air enters from the top of the molecular sieve, dust and water vapor in the air are adsorbed in the top space of the molecular sieve, which affects the separation of nitrogen and oxygen in the air by the molecular sieve, and the adsorption frequency of the top of the molecular sieve is high, while the bottom of the molecular sieve is less polluted. When the molecular sieve particles are replaced regularly, the overall replacement usually needs to be done manually. At the same time, when the molecular sieve particles are replaced, there may be areas inside the machine cylinder that are not fully filled, which affects the subsequent normal use.

[0005] In order to achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0006] An energy-saving and environment-friendly oxygen enrichment unit, comprising a machine cylinder, the machine cylinder is filled with molecular sieve particles, two machine cylinder top ends are connected with an air inlet pipe and a nitrogen discharge pipe, two machine cylinder bottom ends are connected with an oxygen discharge pipe, a first three-way control valve is installed on the air inlet pipe, a second three-way control valve is installed on the oxygen discharge pipe, and a third three-way control valve is installed on the nitrogen discharge pipe, the air inlet pipe is connected with a freeze dryer, a filter, a gas storage tank and an air compressor in sequence, the oxygen discharge pipe is connected with a one-way valve and an oxygen storage tank, and the nitrogen discharge pipe is connected with a vacuum pump and a nitrogen storage tank in communication;

[0007] A plurality of feeding grooves are equally arranged on the outside of the machine cylinder bottom end, a plurality of discharging grooves are equally arranged on the outside of the machine cylinder top end, a rotating shaft is rotatably installed in the machine cylinder, helical blades are arranged on the inside and outside of the rotating shaft, and a plurality of through holes are formed in the helical blades.

[0008] Preferably, the first conical shell is arranged outside the bottom end of the barrel, the second conical shell is arranged outside the top end of the barrel, and a sleeve is rotatably sleeved outside the barrel, a plurality of communication grooves are arranged outside the two ends of the sleeve at equal angles, and the communication grooves are matched with the feeding groove and the discharging groove.

[0009] Preferably, a first ring groove is arranged at the top side of the first conical shell, a second ring groove is arranged at the bottom side of the second conical shell, a first blocking ring and a second blocking ring are arranged outside the sleeve, the first blocking ring is arranged at the top side of the first ring groove, and the second blocking ring is arranged at the bottom side of the second ring groove.

[0010] Preferably, a feeding pipe is arranged at the top side of the first blocking ring, a discharging pipe is arranged at the bottom side of the second blocking ring, and a sleeve is arranged on the feeding pipe and the discharging pipe.

[0011] Preferably, external teeth are arranged at the middle part outside the sleeve, an installation plate is arranged on the first conical shell, a first motor is arranged on the installation plate, a chain tooth is arranged at the output end of the first motor, and the chain tooth is connected with the external teeth through a chain transmission.

[0012] Preferably, an impact mechanism is arranged at the top end of the barrel, the impact mechanism comprises a ring seat fixedly connected with the inner wall of the barrel, a speed reducer is arranged at the bottom side of the ring seat through a support arm, and the input end of the speed reducer is connected with the top end of a rotating shaft.

[0013] Preferably, a rotating seat is arranged at the output end of the speed reducer, and a plurality of arc grooves are arranged at equal angles outside the rotating seat.

[0014] Preferably, a movable rod is arranged through the ring seat outside, a rubber block is arranged at the outer end of the movable rod, a wheel seat is arranged at the inner end of the movable rod, a roller is arranged on the wheel seat and rolls along the outer wall of the rotating seat, and a spring is sleeved outside the movable rod and between the inner wall of the ring seat and the wheel seat.

[0015] A use method of an energy-saving and environment-friendly oxygen enrichment unit, and the specific operation steps of the use method are as follows:

[0016] Step one: the air compressor injects pressurized air into the air storage tank, the air in the air storage tank enters the barrel through the filter and the refrigerated dryer, enters from the air inlet pipe at the top of the barrel, when passing through the molecular sieve particles, nitrogen is adsorbed by the molecular sieve particles, oxygen is collected into the oxygen storage tank through the oxygen discharge pipe, when the molecular sieve particles in the barrel are saturated with adsorbed nitrogen, the vacuum pump works to generate negative pressure in the barrel, the adsorbed nitrogen is collected into the nitrogen storage tank through the nitrogen discharge pipe, and the two barrels are used alternately.

[0017] Step two: add the molecular sieve particles to the first conical shell through the feeding pipe, at this time, rotate the chain tooth through the first motor, drive the sleeve to rotate through the chain transmission, until the communication groove of the sleeve coincides with the feeding groove and the discharge groove, rotate the shaft and the spiral blade through the second motor, drive the molecular sieve particles in the barrel to move upwards, the molecular sieve particles in the first conical shell are supplemented into the barrel, and the molecular sieve particles above the barrel enter the second conical shell, so that the molecular sieve particles in the barrel are automatically replaced, and after the replacement is completed, the sleeve is rotated to be out of coincidence with the feeding groove and the discharge groove.

[0018] Step three: rotate the shaft, drive the rotating seat to rotate through the speed reducer, in the rotating process of the rotating seat, the roller rolls along the outer wall of the rotating seat under the action of the spring, and then drives the movable rod to reciprocate, and the rubber block at the end of the movable rod impacts and vibrates the barrel when replacing the material, so as to ensure that the molecular sieve particles in the sleeve are tightly filled.

[0019] The beneficial effects of the present application are: through the rotation of the sleeve, the position of the communication groove is adjusted, and then cooperated with the feeding groove and the discharge groove to realize the automatic opening and closing of the two ends of the barrel, when the two ends of the barrel are in the open state, rotate the shaft and the spiral blade through the second motor, drive the molecular sieve particles in the barrel to move upwards, the molecular sieve particles in the first conical shell are supplemented into the barrel, and the molecular sieve particles above the barrel enter the second conical shell, the molecular sieve particles in the barrel are gradually replaced from top to bottom, and the molecular sieve particles in the barrel are automatically replaced.

[0020] And in the replacement process, the shaft rotates, drives the rotating seat to rotate through the speed reducer, in the rotating process of the rotating seat, the roller rolls along the outer wall of the rotating seat under the action of the spring, and then drives the movable rod to reciprocate, and the rubber block at the end of the movable rod impacts and vibrates the barrel when replacing the material, so as to ensure that the molecular sieve particles in the sleeve are tightly filled. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a first structure schematic view of the whole application;

[0022] Figure 2 It is a second structure schematic view of the whole application;

[0023] Figure 3 It is a barrel sectional view of the application;

[0024] Figure 4 It is a barrel and sleeve sectional view of the application;

[0025] Figure 5 It is a spiral blade installation structure schematic view of the application;

[0026] Figure 6 It is a first structure schematic view of the impact mechanism of the application;

[0027] Figure 7 This is a second structural diagram of the impact mechanism of the present invention.

[0028] Legend:

[0029] 1. Cylinder; 2. Air inlet pipe; 3. First three-way control valve; 4. Oxygen exhaust pipe; 5. Second three-way control valve; 6. Nitrogen exhaust pipe; 7. Third three-way control valve; 8. First conical shell; 9. Second conical shell; 10. Cylinder sleeve; 11. Feeding trough; 12. Discharging trough; 13. Connecting groove; 14. First annular groove; 15. Second annular groove; 16. First retaining ring; 17. Second retaining ring; 18. Feeding pipe; 19. Discharging pipe; 20. External teeth; 21. Mounting plate; 22. First motor; 23. Sprocket; 24. Rotating shaft; 25. Second motor; 26. Spiral blade; 27. Through hole; 28. Impact mechanism; 29. ​​Reducer; 30. Support arm; 31. Ring seat; 32. Movable rod; 33. Rubber block; 34. Wheel seat; 35. Roller; 36. Spring; 37. Rotating seat; 38. Arc groove. DETAILED DESCRIPTION

[0030] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making any creative efforts shall fall within the scope of protection of the present invention.

[0031] Specific examples are given below.

[0032] See also Figures 1-7The utility model relates to an energy-saving and environment-friendly oxygen enrichment unit, which comprises a cylinder 1, the inside of the cylinder 1 is filled with molecular sieve particles, an air inlet pipe 2 and a nitrogen discharge pipe 6 are connected between the top ends of the two cylinders 1, an oxygen discharge pipe 4 is connected between the bottom ends of the two cylinders 1, a first three-way control valve 3 is installed on the air inlet pipe 2, a second three-way control valve 5 is installed on the oxygen discharge pipe 4, a third three-way control valve 7 is installed on the nitrogen discharge pipe 6, the air inlet pipe 2 is connected with a freeze dryer, a filter, an air tank and an air compressor in sequence, the oxygen discharge pipe 4 is connected with an oxygen storage tank through a one-way valve, the nitrogen discharge pipe 6 is communicated with a nitrogen storage tank through a vacuum pump, the air compressor pressurizes air and injects the air into the air tank, the air in the air tank passes through the filter and the freeze dryer and enters the cylinder 1 from the air inlet pipe 2 at the top of the cylinder 1, when passing through the molecular sieve particles, nitrogen is adsorbed by the molecular sieve particles, oxygen is collected into the oxygen storage tank through the oxygen discharge pipe 4, when the molecular sieve particles in the cylinder 1 adsorb saturated nitrogen, at this time, the vacuum pump works to generate negative pressure in the cylinder 1, the adsorbed nitrogen is collected into the nitrogen storage tank through the nitrogen discharge pipe 6, the first three-way control valve 3, the second three-way control valve 5 and the third three-way control valve 7 are respectively communicated and controlled, thereby facilitating the alternate use of the two cylinders 1.

[0033] The equal angles of the outer side of the bottom end of the machine cylinder 1 are provided with a plurality of feeding grooves 11, and the equal angles of the outer side of the top end of the machine cylinder 1 are provided with a plurality of discharging grooves 12. The machine cylinder 1 is internally rotatably installed with a rotating shaft 24, the inner and outer sides of the rotating shaft 24 are provided with spiral blades 26, a plurality of through holes 27 are formed in the spiral blades 26, the through holes 27 on the spiral blades 26 facilitate the full contact of air and molecular sieve particles, the outer side of the bottom end of the machine cylinder 1 is provided with a first conical shell 8, the outer side of the top end of the machine cylinder 1 is provided with a second conical shell 9, the outer side of the machine cylinder 1 is rotatably sleeved with a cylinder sleeve 10, a plurality of communication grooves 13 are formed in the outer sides of both ends of the cylinder sleeve 10 at equal angles, the communication grooves 13 are matched with the feeding grooves 11 and the discharging grooves 12, the top side of the first conical shell 8 is provided with a first ring groove 14, the bottom side of the second conical shell 9 is provided with a second ring groove 15, the outer side of the cylinder sleeve 10 is provided with a first blocking ring 16 and a second blocking ring 17, the first blocking ring 16 is installed on the top side of the first ring groove 14, and the second blocking ring 17 is installed on the bottom side of the second ring groove 15, the top side of the first blocking ring 16 is installed with a feeding pipe 18, and the bottom side of the second blocking ring 17 is installed with a discharging pipe 19, the feeding pipe 18 and the discharging pipe 19 are both installed with a pipe sleeve, the outer side of the middle part of the cylinder sleeve 10 is provided with external teeth 20, the first conical shell 8 is installed with a mounting plate 21, the mounting plate 21 is installed with a first motor 22, the output end of the first motor 22 is installed with a chain tooth 23, and the chain tooth 23 is connected with the external teeth 20 through a chain transmission, the molecular sieve particles are added into the first conical shell 8 through the feeding pipe 18, at this time, the chain tooth 23 is rotated by the working of the first motor 22, the cylinder sleeve 10 is driven to rotate through the chain transmission, until the communication grooves 13 of the cylinder sleeve 10 coincide with the feeding grooves 11 and the discharging grooves 12, the rotating shaft 24 and the spiral blades 26 are driven to rotate by the working of the second motor 25, the molecular sieve particles in the machine cylinder 1 are driven to move upward, the molecular sieve particles in the first conical shell 8 are supplemented into the machine cylinder 1, and the molecular sieve particles above the machine cylinder 1 enter the second conical shell 9, so as to realize the automatic replacement of the molecular sieve particles in the machine cylinder 1, after the replacement is completed, the cylinder sleeve 10 is rotated to be staggered with the feeding grooves 11 and the discharging grooves 12.

[0034] The top end of the machine barrel 1 is provided with a percussion mechanism 28, which comprises a ring seat 31 fixedly connected with the inner wall of the machine barrel 1, a speed reducer 29 mounted on the bottom side of the ring seat 31 through a support arm 30, the input end of the speed reducer 29 connected with the top end of the rotating shaft 24, a rotating seat 37 mounted on the output end of the speed reducer 29, a plurality of arc-shaped grooves 38 equally arranged on the outer side of the rotating seat 37, a movable rod 32 installed through the outer side of the ring seat 31, a rubber block 33 mounted on the outer end of the movable rod 32, a wheel seat 34 mounted on the inner end of the movable rod 32 and provided with a roller 35 rolling along the outer wall of the rotating seat 37, a spring 36 sleeved on the outer side of the movable rod 32 between the inner wall of the ring seat 31 and the wheel seat 34, and the rotating shaft 24 rotates to drive the rotating seat 37 to rotate through the speed reducer 29, in the rotating process of the rotating seat 37, the roller 35 rolls along the outer wall of the rotating seat 37 under the action of the spring 36, and then drives the movable rod 32 to reciprocate, and the rubber block 33 at the end of the movable rod 32 impacts and vibrates the machine barrel 1 when changing the material, so that the molecular sieve particles in the barrel sleeve 10 are filled tightly.

[0035] The above is only the preferred specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can make equivalent replacement or change according to the technical scheme and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. An energy-saving and environmentally friendly oxygen-enriched unit, characterized in that: The invention comprises a barrel (1), wherein the barrel (1) is filled with molecular sieve particles, an air inlet pipe (2) and a nitrogen exhaust pipe (6) are connected between the top ends of the two barrels (1), an oxygen exhaust pipe (4) is connected between the bottom ends of the two barrels (1), a first three-way control valve (3) is installed on the air inlet pipe (2), a second three-way control valve (5) is installed on the oxygen exhaust pipe (4), and a third three-way control valve (7) is installed on the nitrogen exhaust pipe (6), the air inlet pipe (2) is connected to a freeze dryer, a filter, an air storage tank and an air compressor in sequence, the oxygen exhaust pipe (4) is connected to the oxygen storage tank through a one-way valve, and the nitrogen exhaust pipe (6) is connected to the nitrogen storage tank through a vacuum pump; A plurality of feeding grooves (11) are provided at equal angles on the outer side of the bottom end of the barrel (1), and a plurality of discharging grooves (12) are provided at equal angles on the outer side of the top end of the barrel (1). A rotating shaft (24) is rotatably installed inside the barrel (1), and spiral blades (26) are provided inside and outside the rotating shaft (24), and a plurality of through holes (27) are provided on the spiral blades (26). The rotating shaft (24) and the spiral blades (26) are driven to rotate by the operation of a second motor (25), thereby driving the molecular sieve particles in the barrel (1) to move upward; The top of the barrel (1) is provided with an impact mechanism (28), the impact mechanism (28) comprises a ring seat (31) fixedly connected to the inner wall of the barrel (1), a reducer (29) is provided on the bottom side of the ring seat (31) through a support arm (30), the input end of the reducer (29) is connected to the top of the rotating shaft (24), the output end of the reducer (29) is provided with a rotating seat (37), the outer side of the rotating seat (37) is provided with a plurality of arc-shaped grooves (38) at equal angles, a movable rod (32) is provided through the outer side of the ring seat (31), a rubber block (33) is provided at the outer end of the movable rod (32), a wheel seat (34) is provided at the inner end of the movable rod (32), and a roller (35) rolling along the outer wall of the rotating seat (37) is provided on the wheel seat (34), and a spring (36) is provided on the outer side of the movable rod (32) and between the inner wall of the ring seat (31) and the wheel seat (34); A first conical shell (8) is provided on the outer side of the bottom end of the barrel (1), a second conical shell (9) is provided on the outer side of the top end of the barrel (1), a barrel sleeve (10) is rotatably sleeved on the outer side of the barrel (1), and a plurality of connecting grooves (13) are provided on the outer sides of both ends of the barrel sleeve (10) at equal angles, and the connecting grooves (13) are adapted to the feeding trough (11) and the discharging trough (12); An external tooth (20) is provided at the middle portion of the outer side of the sleeve (10), a mounting plate (21) is mounted on the first conical shell (8), a first motor (22) is mounted on the mounting plate (21), a sprocket (23) is mounted on the output end of the first motor (22), and the sprocket (23) is connected to the external tooth (20) through a chain transmission.

2. The energy-saving and environmentally friendly oxygen-enriched unit according to claim 1, characterized in that: A first annular groove (14) is provided on the top side of the first conical shell (8), a second annular groove (15) is provided on the bottom side of the second conical shell (9), a first retaining ring (16) and a second retaining ring (17) are provided on the outside of the cylinder sleeve (10), and the first retaining ring (16) is installed on the top side of the first annular groove (14), and the second retaining ring (17) is installed on the bottom side of the second annular groove (15).

3. The energy-saving and environmentally friendly oxygen-enriched unit according to claim 2, characterized in that: A feeding pipe (18) is installed on the top side of the first retaining ring (16), and a discharge pipe (19) is installed on the bottom side of the second retaining ring (17). Both the feeding pipe (18) and the discharge pipe (19) are installed with pipe sleeves.

4. The method for using an energy-saving and environmentally friendly oxygen-enriched unit according to claim 3, characterized in that: The specific steps of this method are as follows: Step 1: The air compressor pressurizes the air and injects it into the air storage tank. The air in the air storage tank passes through the filter and the freeze dryer and enters the barrel (1). The air enters from the air inlet pipe (2) at the top of the barrel (1). When passing through the molecular sieve particles, the nitrogen is adsorbed by the molecular sieve particles. The oxygen is collected into the oxygen storage tank through the oxygen exhaust pipe (4). When the molecular sieve particles in the barrel (1) are saturated with nitrogen adsorbed, the vacuum pump works to generate negative pressure in the barrel (1). The adsorbed nitrogen is collected into the nitrogen storage tank through the nitrogen exhaust pipe (6). The two barrels (1) are used alternately. Step 2: adding molecular sieve particles into the first conical shell (8) through the feeding pipe (18), at this time, the first motor (22) drives the sprocket (23) to rotate, and the barrel sleeve (10) is driven to rotate through the chain transmission until the connecting groove (13) of the barrel sleeve (10) coincides with the feeding groove (11) and the discharge groove (12), and the second motor (25) drives the rotating shaft (24) and the spiral blade (26) to rotate, driving the molecular sieve particles in the barrel (1) to move upward, and the molecular sieve particles in the first conical shell (8) are replenished into the barrel (1), and the molecular sieve particles located above the barrel (1) enter the second conical shell (9), realizing the automatic replacement of the molecular sieve particles in the barrel (1). After the replacement is completed, the barrel sleeve (10) rotates until the connecting groove (13) is staggered with the feeding groove (11) and the discharge groove (12); Step 3: The rotating shaft (24) rotates, and the rotating seat (37) is driven to rotate through the speed reducer (29). During the rotation of the rotating seat (37), the roller (35) rolls along the outer wall of the rotating seat (37) under the action of the spring (36), thereby driving the movable rod (32) to move back and forth. The rubber block (33) at the end of the movable rod (32) impacts and vibrates the barrel (1) when changing materials, ensuring that the molecular sieve particles in the barrel sleeve (10) are tightly filled.

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