CN117085461B - Oxygen generation system for dewatering ultra-low leakage point - Google Patents
Oxygen generation system for dewatering ultra-low leakage point Download PDFInfo
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- CN117085461B CN117085461B CN202311356284.3A CN202311356284A CN117085461B CN 117085461 B CN117085461 B CN 117085461B CN 202311356284 A CN202311356284 A CN 202311356284A CN 117085461 B CN117085461 B CN 117085461B
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- oxygen
- air control
- air
- based adsorbent
- pipe
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 84
- 239000001301 oxygen Substances 0.000 title claims abstract description 84
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 84
- 239000003463 adsorbent Substances 0.000 claims description 92
- WHXSMMKQMYFTQS-UHFFFAOYSA-N Lithium Chemical compound [Li] WHXSMMKQMYFTQS-UHFFFAOYSA-N 0.000 claims description 62
- 229910052744 lithium Inorganic materials 0.000 claims description 62
- 239000007789 gas Substances 0.000 claims description 57
- 238000007789 sealing Methods 0.000 claims description 50
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 40
- 238000004519 manufacturing process Methods 0.000 claims description 25
- 230000018044 dehydration Effects 0.000 claims description 21
- 238000006297 dehydration reaction Methods 0.000 claims description 21
- 229910052757 nitrogen Inorganic materials 0.000 claims description 17
- 230000000149 penetrating effect Effects 0.000 claims description 16
- 239000007788 liquid Substances 0.000 claims description 8
- 239000012528 membrane Substances 0.000 claims description 8
- 238000001179 sorption measurement Methods 0.000 claims description 7
- 238000000034 method Methods 0.000 claims description 5
- 238000009423 ventilation Methods 0.000 claims description 2
- 150000002926 oxygen Chemical class 0.000 claims 1
- QTJOIXXDCCFVFV-UHFFFAOYSA-N [Li].[O] Chemical compound [Li].[O] QTJOIXXDCCFVFV-UHFFFAOYSA-N 0.000 description 10
- 229910001873 dinitrogen Inorganic materials 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000002808 molecular sieve Substances 0.000 description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 description 3
- 238000010521 absorption reaction Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000006096 absorbing agent Substances 0.000 description 1
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000011148 porous material Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 238000003860 storage Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/02—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography
- B01D53/04—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols by adsorption, e.g. preparative gas chromatography with stationary adsorbents
- B01D53/047—Pressure swing adsorption
- B01D53/0476—Vacuum pressure swing adsorption
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B13/00—Oxygen; Ozone; Oxides or hydroxides in general
- C01B13/02—Preparation of oxygen
- C01B13/0229—Purification or separation processes
- C01B13/0248—Physical processing only
- C01B13/0259—Physical processing only by adsorption on solids
- C01B13/0262—Physical processing only by adsorption on solids characterised by the adsorbent
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2253/00—Adsorbents used in seperation treatment of gases and vapours
- B01D2253/10—Inorganic adsorbents
- B01D2253/112—Metals or metal compounds not provided for in B01D2253/104 or B01D2253/106
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2256/00—Main component in the product gas stream after treatment
- B01D2256/12—Oxygen
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2257/00—Components to be removed
- B01D2257/10—Single element gases other than halogens
- B01D2257/102—Nitrogen
Abstract
The invention discloses an oxygen generation system for dewatering at an ultralow leakage point, which particularly relates to the technical field of oxygen generation systems, and comprises an oxygen generation outer tank, wherein a tank cover is fixedly arranged at the top end of the oxygen generation outer tank, an inner cylinder base is arranged at the bottom of the inner side of the oxygen generation outer tank.
Description
Technical Field
The invention relates to the technical field of oxygen generation systems, in particular to an oxygen generation system for ultra-low leakage point dehydration.
Background
The principle of the vacuum pressure swing adsorption oxygen production technology is that nitrogen in air is adsorbed by using a molecular sieve adsorption material, so that the separation and preparation of oxygen are realized. The core of the technology is a molecular sieve adsorption material, which is a material with special pore diameter and surface chemical property, and can selectively adsorb nitrogen, but not oxygen. In the oxygen production process, air enters a molecular sieve absorber after being compressed by a compressor, and finally high-purity oxygen is obtained through a series of adsorption, desorption, discharge and other processes;
however, the structure and the whole structure of the oxygen-making lithium-based adsorbent in the existing oxygen-making system are relatively simple, the oxygen dew point can not be effectively lower than minus 60 ℃ and can be damaged when the oxygen-making lithium-based adsorbent is used for a long time, and the oxygen-making efficiency of the system is greatly influenced.
Disclosure of Invention
The invention aims to provide an oxygen generation system for dewatering an ultralow leakage point so as to solve the problems in the background technology.
In order to achieve the above purpose, the present invention provides the following technical solutions: the utility model provides an oxygen generation system of ultralow leak source dehydration, includes the oxygen generation outer jar, the top fixed mounting of oxygen generation outer jar has the cover, the inboard bottom of oxygen generation outer jar is equipped with the inner tube base, the top activity card of inner tube base is equipped with the lithium oxygen generation based adsorbent, the top of lithium oxygen generation based adsorbent is equipped with the sealing disk, the middle part fixing clip of sealing disk is equipped with out the oxygen pipe, the bottom mid-mounting of oxygen generation outer jar has the air inlet, the inboard bottom fixed mounting of air inlet has the gas control mechanism, the inboard bottom fixing clip of oxygen generation outer jar is equipped with supports end ring frame, the outside top fixed joint of inner tube base is at the middle part of supporting end ring frame, the middle part fixing clip of supporting end ring frame is equipped with ventilative rack.
Preferably, a pretreatment cavity is formed between the outer side of the inner cylinder base below the supporting bottom ring frame and the inner side of the oxygen production outer tank, a dehydration adsorbent is stored in the pretreatment cavity, and a liquid inlet pipe and a liquid outlet pipe are respectively and fixedly clamped on two sides of the pretreatment cavity.
Preferably, a buffer cavity is formed between the outer side of the oxygen-making lithium-based adsorbent above the supporting bottom ring frame and the inner side of the oxygen-making outer tank.
Preferably, the inner wall lower surface fixed card of inner tube base is equipped with well pipe, the top movable joint of well pipe is in the middle part of the bottom of making oxygen lithium based adsorbent, the inboard top fixed card of well pipe is equipped with the location end link frame, the middle part fixed card of location end link frame is equipped with the ventilated membrane, form the exhaust chamber between inner tube base inboard, well pipe outside and location end link frame, the ventilated membrane below, the bottom fixed card of exhaust chamber is equipped with two blast pipes of symmetric distribution, the outside of the outer jar of oxygen production is extended to the bottom of blast pipe.
Preferably, the gas control mechanism comprises a gas control outer pipe, a gas control disc is integrally formed at the top end of the gas control outer pipe, the gas control outer pipe and the gas control disc are fixedly connected to the inner bottom of the gas inlet, a gas control bottom frame is movably clamped at the inner bottom of the gas control outer pipe, a plurality of gas control top cylinders which are uniformly distributed are integrally formed at the top end of the gas control bottom frame, a gas control penetrating groove corresponding to the gas control top cylinder is formed in the gas control disc, a plurality of exhaust perforations which are uniformly distributed are formed in the top end of the gas control top cylinder, a limit bottom ring is fixedly clamped at the inner bottom of the gas control outer pipe, the upper surface of the limit bottom ring is contacted with the lower surface of the gas control bottom frame, a limit top ring is fixedly clamped at the inner top end of the gas control outer pipe, a gas control spring is arranged at the top end of the gas control bottom frame, the top end of the gas control spring is contacted with the lower surface of the gas control disc, and the gas control spring is movably sleeved at the outer side of one of the gas control top cylinders.
Preferably, a positioning ring frame is fixedly clamped at the top of the inner side of the oxygen-making outer tank, and the oxygen-making lithium-based adsorbent movably penetrates through the middle part of the positioning ring frame.
Preferably, a sealing gasket is fixedly arranged at the top end of the positioning ring frame, and the lower surface of the sealing disc is contacted with the upper surface of the sealing gasket.
Preferably, a plurality of fixing seats distributed in an annular array are fixedly clamped at the top of the inner side of the oxygen production outer tank, a fixing penetrating groove matched with the fixing seats for use is formed in the outer side of the sealing disc, a fixing bolt is installed in the middle of the fixing seat in a threaded mode, a fixing groove matched with the fixing bolt for use is formed in the upper surface of the sealing disc, a protection pad is fixedly installed on the lower surface of the inner wall of the fixing groove, the bottom of the fixing bolt is movably clamped in the corresponding fixing groove, and the lower surface of the fixing bolt is in contact with the upper surface of the protection pad.
Preferably, an outlet is fixedly arranged in the middle of the top end of the tank cover, and the oxygen outlet pipe movably penetrates through the outlet.
Preferably, the method for using the oxygen generation system for dehydrating the ultra-low leakage point comprises the following steps:
connecting the bottom end of an air control outer pipe with an air inlet end, connecting the end part of an exhaust pipe with the air suction end of an air suction pump mechanism, then installing an oxygen-making lithium-based adsorbent, lifting the oxygen-making lithium-based adsorbent by using external lifting equipment, placing the oxygen-making lithium-based adsorbent in an oxygen-making outer tank, enabling the oxygen-making lithium-based adsorbent to movably penetrate through the middle part of a positioning ring frame until the lower surface of the oxygen-making lithium-based adsorbent is contacted with the upper surface of the positioning ring frame, then installing a sealing disc, lifting the sealing disc by using external lifting equipment, enabling the sealing disc to penetrate through a fixing seat through a fixing through groove and rotate, enabling a fixing bolt to correspond to a fixing groove, then screwing a fixing bolt by using an external tool, moving the fixing bolt downwards, enabling the bottom of the fixing bolt to be movably clamped in the corresponding fixing groove, enabling the lower surface of the fixing bolt to be contacted with the upper surface of a protection pad, positioning the sealing disc, and sealing disc blocking the upper part of the oxygen-making lithium-based adsorbent, so that the upper part of the oxygen-making lithium-based adsorbent is positioned;
after the oxygen-making lithium-based adsorbent is installed, air enters an air control outer pipe through an air inlet end, the air pressure in the air control outer pipe is increased, an air control bottom frame is driven to vertically move upwards in the air control outer pipe, a plurality of air control top cylinders are driven to move upwards, the top of the air control top cylinders are separated from an air control penetrating groove, a plurality of exhaust penetrating holes are arranged in the dehydrated adsorbent, an air control spring is extruded until the upper surface of the air control bottom frame is contacted with the lower surface of a limiting top ring, the air is led into a pretreatment cavity through the plurality of exhaust penetrating holes and is evenly discharged into the dehydrated adsorbent for effective dehydration pretreatment, the oxygen dew point is lower than minus 60 ℃, after the effective dehydration pretreatment of the air, the air is led into a buffer cavity through a support bottom ring frame and an air permeable net frame, and transversely passes through the oxygen-making lithium-based adsorbent for adsorption, oxygen is rapidly and effectively prepared, and is discharged through the middle part of the oxygen-making lithium-based adsorbent and the oxygen is discharged through the oxygen outlet pipe, and the nitrogen is adsorbed in the oxygen-making lithium-based adsorbent;
when no gas is input, the air pressure in the gas control outer tube is slowly reduced, the gas control spring is reset to drive the gas control bottom frame to vertically move downwards in the gas control outer tube, the plurality of gas control top cylinders are driven to move downwards, the tops of the gas control top cylinders are accommodated in the gas control through grooves, the gas control disc seals the plurality of exhaust perforations, and the dehydration adsorbent stored in the pretreatment cavity cannot be discharged through the plurality of exhaust perforations;
and thirdly, after the oxygen is emptied, controlling to start a suction pump mechanism, introducing nitrogen adsorbed in the oxygen-making lithium-based adsorbent into an exhaust cavity through a breathable film, and introducing the nitrogen into the suction pump mechanism through exhaust pipes at two sides to absorb the nitrogen, so that the nitrogen is prevented from being wasted.
Compared with the prior art, the invention has the beneficial effects that:
1. through setting up the pretreatment chamber, the storage has the dehydration adsorbent in the pretreatment chamber, the cooperation uses accuse gas mechanism, gas gets into in the accuse gas outer tube through the inlet end, the atmospheric pressure is risen in the accuse gas outer tube, drive accuse gas underframe vertically upwards move in accuse gas outer tube, drive a plurality of accuse gas roof cylinders upwards move, the top of accuse gas roof cylinder breaks away from accuse gas and wears the groove, a plurality of exhaust perforation are arranged in the dehydration adsorbent, and extrude accuse gas spring, until the upper surface of accuse gas underframe and the lower surface contact of spacing overhead loop, gas is through a plurality of exhaust perforation introduction pretreatment chamber and even discharge dehydration adsorbent carry out effective dehydration pretreatment, make oxygen dew point below-60 ℃, the life of system oxygen lithium-based adsorbent has been improved greatly.
2. Through setting up the exhaust chamber, the cooperation uses the blast pipe, and the oxygen evacuation back adsorbs in the oxygenic lithium based adsorbent nitrogen gas is through the leading-in exhaust chamber of ventilated membrane to in leading-in aspirator pump mechanism of blast pipe through both sides, carry out the absorption of nitrogen gas, prevent that nitrogen gas from extravagant, further promoted the result of use of oxygen system.
3. Through setting up the sealing disk, carry out the sealing between the outside space top position of system oxygen lithium base adsorbent and the system oxygen outer tank inboard to fix a position the top of system oxygen lithium base adsorbent, thereby promote the stability when system oxygen lithium base adsorbent is used subsequently.
Drawings
In order to more clearly illustrate the embodiments of the invention or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the invention, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
Figure 1 is a schematic diagram of the structure of the present invention,
figure 2 is a schematic cross-sectional view of the structure of the present invention,
figure 3 is an enlarged view of the invention at a in figure 2,
figure 4 is a schematic view of the structure of the invention after disassembly,
figure 5 is a schematic diagram showing the connection of part of the structure in the present invention,
figure 6 is an enlarged view of the invention at B in figure 5,
FIG. 7 is a schematic diagram showing the structural connection of the inner cylinder base and the lithium oxygen generating adsorbent in the present invention,
fig. 8 is a schematic structural connection diagram of the air control mechanism in the present invention.
In the figure: 1. an oxygen production outer tank; 11. an air inlet; 2. a can lid; 21. an outlet; 3. an inner cylinder base; 31. a middle tube; 32. positioning a bottom ring frame; 33. a breathable film; 4. preparing an oxygen lithium-based adsorbent; 5. a sealing plate; 51. a fixing seat; 52. a fixing bolt; 53. a protective pad; 501. fixing the through groove; 502. a fixing groove; 6. an oxygen outlet pipe; 7. a gas control mechanism; 8. a bottom ring support is supported; 81. breathable net rack; 9. a positioning ring frame; 91. a sealing gasket; 11. an air inlet; 12. a liquid inlet pipe; 121. a liquid outlet pipe; 13. an exhaust pipe; 101. a pretreatment chamber; 102. a buffer chamber; 103. an exhaust chamber; 71. an air control outer tube; 701. an exhaust perforation; 72. a gas control disc; 73. a gas control bottom frame; 74. a gas control top cylinder; 75. a limiting bottom ring; 76. a limiting top ring; 77. and a gas control spring.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Examples: as shown in fig. 1-8, the invention provides an oxygen generation system for ultra-low leakage point dehydration, which comprises an oxygen generation outer tank 1, wherein a tank cover 2 is fixedly arranged at the top end of the oxygen generation outer tank 1, an inner cylinder base 3 is arranged at the bottom of the inner side of the oxygen generation outer tank 1, and an oxygen generation lithium-based adsorbent 4 is movably clamped at the top end of the inner cylinder base 3;
the lower surface of the inner wall of the inner cylinder base 3 is fixedly clamped with a middle pipe 31, the top of the middle pipe 31 is movably clamped with the middle part of the bottom end of the oxygen-making lithium-based adsorbent 4, the inner side top of the middle pipe 31 is fixedly clamped with a positioning bottom ring frame 32, the middle part of the positioning bottom ring frame 32 is fixedly clamped with a ventilated membrane 33, the lower surface of the oxygen-making lithium-based adsorbent 4 is contacted with the upper surface of the positioning bottom ring frame 32, and the oxygen-making lithium-based adsorbent 4 is supported below;
the top end of the oxygen-generating lithium-based adsorbent 4 is provided with a sealing disc 5, the middle part of the sealing disc 5 is fixedly clamped with an oxygen outlet pipe 6, the middle part of the top end of the tank cover 2 is fixedly provided with an outlet 21, and the oxygen outlet pipe 6 movably penetrates through the outlet 21;
the top of the inner side of the oxygen production outer tank 1 is fixedly clamped with a plurality of fixed seats 51 distributed in an annular array, a fixed penetrating groove 501 matched with the fixed seats 51 is formed in the outer side of the sealing disc 5, a fixed bolt 52 is installed in the middle of the fixed seat 51 in a threaded mode, a fixed groove 502 matched with the fixed bolt 52 is formed in the upper surface of the sealing disc 5, a protection pad 53 is fixedly installed on the lower surface of the inner wall of the fixed groove 502, the bottom of the fixed bolt 52 is movably clamped in the corresponding fixed groove 502, and the lower surface of the fixed bolt 52 is contacted with the upper surface of the protection pad 53; after the oxygen-generating lithium-based adsorbent 4 is installed, the lower surface of the oxygen-generating lithium-based adsorbent 4 is contacted with the upper surface of the positioning bottom ring frame 32, the sealing disk 5 is installed, the sealing disk 5 passes through the fixing seat 51 through the fixing through groove 501 and rotates to enable the fixing bolt 52 to correspond to the fixing groove 502, then an external tool is used for screwing the fixing bolt 52, the fixing bolt 52 moves downwards, the bottom of the fixing bolt 52 is movably clamped in the corresponding fixing groove 502, the lower surface of the fixing bolt 52 is contacted with the upper surface of the protection pad 53, the sealing disk 5 is positioned, and the sealing disk 5 is used for blocking the upper part of the oxygen-generating lithium-based adsorbent 4, so that the upper part of the oxygen-generating lithium-based adsorbent 4 is positioned, and the stability of the oxygen-generating lithium-based adsorbent 4 in subsequent use is improved;
a positioning ring frame 9 is fixedly clamped at the top of the inner side of the oxygen-making outer tank 1, and the oxygen-making lithium-based adsorbent 4 movably penetrates through the middle part of the positioning ring frame 9; the top fixed mounting of holding ring frame 9 has sealing washer 91, the lower surface of sealing disk 5 and sealing washer 91's upper surface contact sets up holding ring frame 9 through the inboard top of oxygen production outer jar 1, and after the sealing disk 5 location, sealing disk 5, the upper surface contact of sealing washer 91 carry out sealing between the holding ring frame 9 to carry out the sealing between the outside space top position of oxygen production lithium-based adsorbent 4 and the oxygen production outer jar 1 inboard, prevent that the air from flowing out from the top, promote the effect of oxygen production.
The bottom middle part fixed mounting of the outer jar of making oxygen 1 has air inlet 11, the inboard bottom fixed mounting of air inlet 11 has accuse gas mechanism 7, the inboard bottom fixed fastening of the outer jar of making oxygen 1 is equipped with supports end ring frame 8, the outside top fixed fastening of inner tube base 3 is at the middle part of supporting end ring frame 8, the middle part fixed fastening of supporting end ring frame 8 is equipped with ventilative rack 81.
A pretreatment cavity 101 is formed between the outer side of the inner cylinder base 3 below the supporting bottom ring frame 8 and the inner side of the oxygen production outer tank 1, a dehydration adsorbent is stored in the pretreatment cavity 101, and a liquid inlet pipe 12 and a liquid outlet pipe 121 are respectively and fixedly clamped at two sides of the pretreatment cavity 101;
the air control mechanism 7 comprises an air control outer tube 71, the top end of the air control outer tube 71 is integrally provided with an air control disc 72, the air control outer tube 71 and the air control disc 72 are fixedly clamped at the bottom of the inner side of the air inlet 11 to fix the air control mechanism 7 and the air inlet 11, the bottom of the inner side of the air control outer tube 71 is movably clamped with an air control bottom frame 73, the air control bottom frame 73 can vertically slide in the air control outer tube 71, the top end of the air control bottom frame 73 is integrally provided with a plurality of air control top cylinders 74 which are uniformly distributed, the air control disc 72 is provided with air control penetrating grooves corresponding to the air control top cylinders 74, the top of the air control top cylinders 74 are movably clamped in the corresponding air control penetrating grooves, the top of the air control top cylinders 74 are provided with a plurality of air exhaust penetrating holes which are uniformly distributed, in the initial state, the top of the air control top cylinders 74 are movably clamped in the corresponding air control penetrating grooves, the air control disc 72 seals the plurality of exhaust holes 701, the dehydration adsorbent stored in the pretreatment cavity 101 can not be discharged through the plurality of exhaust holes 701, a limiting bottom ring 75 is fixedly clamped at the bottom of the inner side of the air control outer tube 71, the upper surface of the limiting bottom ring 75 is contacted with the lower surface of the air control bottom frame 73, the bottom end of the air control bottom frame 73 is limited by arranging the limiting bottom ring 75, a limiting top ring 76 is fixedly clamped at the top of the inner side of the air control outer tube 71, the upward space of the air control bottom frame 73 is limited by arranging the limiting top ring 76, the top end of the air control bottom frame 73 is provided with an air control spring 77, the top end of the air control spring 77 is contacted with the lower surface of the air control disc 72, the air control spring 77 is movably sleeved on the outer side of one air control top tube 74, when in use, the bottom end of the air control outer tube 71 is connected with an air inlet end, and air enters the air control outer tube 71 through the air inlet end, the air pressure in the air control outer pipe 71 is increased, the air control bottom frame 73 is driven to vertically move upwards in the air control outer pipe 71, the plurality of air control top cylinders 74 are driven to move upwards, the top of the air control top cylinders 74 are separated from the air control penetrating groove, the plurality of air exhaust perforations 701 are arranged in the dehydration adsorbent, the air control spring 77 is extruded until the upper surface of the air control bottom frame 73 is contacted with the lower surface of the limiting top ring 76, and air is led into the pretreatment cavity 101 through the plurality of air exhaust perforations 701 and is uniformly discharged into the dehydration adsorbent to carry out effective dehydration pretreatment, so that the oxygen dew point is lower than minus 60 ℃, and the service life of the oxygen-producing lithium-based adsorbent 4 is greatly prolonged;
when no gas is input, the air pressure in the air control outer tube 71 is slowly reduced, the air control spring 77 resets to drive the air control bottom frame 73 to vertically move downwards in the air control outer tube 71, the plurality of air control top cylinders 74 are driven to move downwards, the tops of the air control top cylinders 74 are accommodated in the air control through slots, the air control disc 72 seals the plurality of air exhaust holes 701, and the dehydrated adsorbent stored in the pretreatment cavity 101 cannot be discharged through the plurality of air exhaust holes 701;
a buffer cavity 102 is formed between the outer side of the oxygen-making lithium-based adsorbent 4 above the supporting bottom ring frame 8 and the inner side of the oxygen-making outer tank 1, after the effective dehydration pretreatment of gas, the gas is guided into the buffer cavity 102 through the supporting bottom ring frame 8 and the ventilation net frame 81 and transversely passes through the oxygen-making lithium-based adsorbent 4 to be adsorbed, oxygen is rapidly and effectively prepared, the oxygen is discharged through the middle part of the oxygen-making lithium-based adsorbent 4 and the oxygen outlet pipe 6, and the nitrogen is adsorbed in the oxygen-making lithium-based adsorbent 4.
The inner cylinder base 3 is inboard, the middle tube 31 outside and the location end ring frame 32, form the exhaust chamber 103 between the ventilated membrane 33 below, the bottom fixation card of exhaust chamber 103 is equipped with two blast pipes 13 of symmetric distribution, the outside of the outer jar 1 of oxygen production is extended to the bottom of blast pipe 13, and during the use, be connected with the suction end of suction pump mechanism at the tip of blast pipe 13, after the oxygen evacuation, control opens suction pump mechanism, adsorb in the oxygen lithium-based adsorbent 4 nitrogen gas and guide into exhaust chamber 103 through ventilated membrane 33 to guide into the suction pump mechanism through both sides blast pipe 13, carry out the absorption of nitrogen gas, prevent the nitrogen gas extravagant, further promoted the result of use of oxygen production system.
The application method of the oxygen generation system for dehydrating the ultra-low leakage point comprises the following steps:
connecting the bottom end of an air control outer tube 71 with an air inlet end, connecting the end of an exhaust tube 13 with the air suction end of an air suction pump mechanism, then installing an oxygen-making lithium-based adsorbent 4, lifting the oxygen-making lithium-based adsorbent 4 by using external lifting equipment, placing the oxygen-making lithium-based adsorbent 4 in an oxygen-making outer tank 1, enabling the oxygen-making lithium-based adsorbent 4 to movably penetrate through the middle part of a positioning ring frame 9 until the lower surface of the oxygen-making lithium-based adsorbent 4 is contacted with the upper surface of a positioning bottom ring frame 32, then installing a sealing disc 5, lifting the sealing disc 5 by using external lifting equipment, enabling the sealing disc 5 to pass through a fixing seat 51 through a fixing through groove 501, rotating to enable a fixing bolt 52 to correspond to a fixing groove 502, then screwing the fixing bolt 52 by using an external tool, enabling the bottom of the fixing bolt 52 to move downwards, movably clamped in the corresponding fixing groove 502, enabling the lower surface of the fixing bolt 52 to be contacted with the upper surface of a protection pad 53, positioning the sealing disc 5, and positioning the sealing disc 5 above the oxygen-making lithium-based adsorbent 4, so that the upper side of the oxygen-making lithium-based adsorbent 4 is blocked;
after the oxygen-making lithium-based adsorbent 4 is installed, air enters an air control outer pipe 71 through an air inlet end, the air pressure in the air control outer pipe 71 is increased, an air control bottom frame 73 is driven to vertically move upwards in the air control outer pipe 71, a plurality of air control top cylinders 74 are driven to move upwards, the top of the air control top cylinders 74 is separated from an air control penetrating groove, a plurality of air exhaust perforations 701 are arranged in the dehydrated adsorbent and squeeze an air control spring 77 until the upper surface of the air control bottom frame 73 is contacted with the lower surface of a limiting top ring 76, the air is led into a pretreatment cavity 101 through the plurality of air exhaust perforations 701 and is uniformly discharged into the dehydrated adsorbent for effective dehydration pretreatment, the oxygen dew point is lower than minus 60 ℃, the air is led into a buffer cavity 102 through a support bottom ring frame 8 and an air permeable net frame 81 and transversely passes through the oxygen-making lithium-based adsorbent 4 for adsorption, oxygen is rapidly and effectively prepared, and is discharged through the middle part of the oxygen-making lithium-based adsorbent 4 and an oxygen outlet pipe 6, and the nitrogen is adsorbed in the oxygen-making lithium-based adsorbent 4;
when no gas is input, the air pressure in the air control outer tube 71 is slowly reduced, the air control spring 77 resets to drive the air control bottom frame 73 to vertically move downwards in the air control outer tube 71, the plurality of air control top cylinders 74 are driven to move downwards, the tops of the air control top cylinders 74 are accommodated in the air control through slots, the air control disc 72 seals the plurality of air exhaust holes 701, and the dehydrated adsorbent stored in the pretreatment cavity 101 cannot be discharged through the plurality of air exhaust holes 701;
and thirdly, after the oxygen is exhausted, controlling to start a suction pump mechanism, introducing nitrogen adsorbed in the oxygen-making lithium-based adsorbent 4 into the exhaust cavity 103 through the breathable film 33, and introducing the nitrogen into the suction pump mechanism through the exhaust pipes 13 at the two sides to absorb the nitrogen, so that the nitrogen waste is prevented.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (2)
1. The application method of the oxygen generation system for ultra-low dew point dehydration comprises the steps of preparing oxygen from an outer tank (1), and is characterized in that: the oxygen production device is characterized in that a tank cover (2) is fixedly arranged at the top end of the oxygen production outer tank (1), an inner cylinder base (3) is arranged at the bottom of the inner side of the oxygen production outer tank (1), an oxygen production lithium-based adsorbent (4) is movably clamped at the top end of the inner cylinder base (3), a sealing disc (5) is arranged at the top end of the oxygen production lithium-based adsorbent (4), an oxygen outlet pipe (6) is arranged at the middle fixing clamp of the sealing disc (5), an air inlet (11) is fixedly arranged at the middle part of the bottom end of the oxygen production outer tank (1), an air control mechanism (7) is fixedly arranged at the bottom of the inner side of the air inlet (11), a supporting bottom ring frame (8) is fixedly clamped at the bottom of the inner side of the oxygen production outer tank (1), and an air permeable net frame (81) is fixedly clamped at the middle part of the supporting bottom ring frame (8);
the air control mechanism (7) comprises an air control outer pipe (71), an air control disc (72) is integrally formed at the top end of the air control outer pipe (71), the air control outer pipe (71) and the air control disc (72) are fixedly clamped at the inner bottom of an air inlet (11), an air control bottom frame (73) is movably clamped at the inner bottom of the air control outer pipe (71), a plurality of air control top cylinders (74) which are uniformly distributed are integrally formed at the top end of the air control bottom frame (73), air control through grooves corresponding to the air control top cylinders (74) are formed in the air control through grooves in an integrated manner, a plurality of air exhaust perforations (701) which are uniformly distributed are formed at the top end of the air control top cylinders (74), a limit bottom ring (75) is fixedly clamped at the inner bottom of the air control outer pipe (71), the upper surface of the limit bottom ring (75) is contacted with the lower surface of the air control bottom frame (73), an air control through groove corresponding to the air control top of the air control top cylinder (74), the top end of one air control top (71) is fixedly clamped at the top end of the air control bottom frame (77), and the top end of one air control top (77) of the air control top cylinder (74) is sleeved with the air control spring (77); a positioning ring frame (9) is fixedly clamped at the top of the inner side of the oxygen-making outer tank (1), and the oxygen-making lithium-based adsorbent (4) movably penetrates through the middle part of the positioning ring frame (9); the top end of the positioning ring frame (9) is fixedly provided with a sealing gasket (91), and the lower surface of the sealing disc (5) is contacted with the upper surface of the sealing gasket (91); the oxygen production outer tank comprises an oxygen production outer tank body, wherein a plurality of fixed seats (51) distributed in an annular array are fixedly clamped at the top of the inner side of the oxygen production outer tank body, a fixed penetrating groove (501) matched with the fixed seats (51) is formed in the outer side of a sealing disc (5), a fixing bolt (52) is installed in the middle of the fixed seats (51) in a threaded mode, a fixing groove (502) matched with the fixing bolt (52) is formed in the upper surface of the sealing disc (5), a protection pad (53) is fixedly installed on the lower surface of the inner wall of the fixing groove (502), the bottom of the fixing bolt (52) is movably clamped in the corresponding fixing groove (502), and the lower surface of the fixing bolt (52) is contacted with the upper surface of the protection pad (53);
a pretreatment cavity (101) is formed between the outer side of the inner cylinder base (3) below the supporting bottom ring frame (8) and the inner side of the oxygen production outer tank (1), a dehydration adsorbent is stored in the pretreatment cavity (101), and a liquid inlet pipe (12) and a liquid outlet pipe (121) are fixedly clamped on two sides of the pretreatment cavity (101) respectively;
a buffer cavity (102) is formed between the outer side of the oxygen-making lithium-based adsorbent (4) above the supporting bottom ring frame (8) and the inner side of the oxygen-making outer tank (1);
the inner wall lower surface fixing clamp of the inner barrel base (3) is provided with a middle pipe (31), the top of the middle pipe (31) is movably clamped at the middle part of the bottom end of the oxygen-making lithium-based adsorbent (4), the inner side top fixing clamp of the middle pipe (31) is provided with a positioning bottom ring frame (32), the middle fixing clamp of the positioning bottom ring frame (32) is provided with a ventilated membrane (33), an exhaust cavity (103) is formed among the inner side of the inner barrel base (3), the outer side of the middle pipe (31) and the lower part of the positioning bottom ring frame (32) and the ventilated membrane (33), two exhaust pipes (13) which are symmetrically distributed are fixedly clamped at the bottom of the exhaust cavity (103), and the bottom of the exhaust pipe (13) extends out of the oxygen-making outer tank (1);
the using method comprises the following steps:
connecting the bottom end of an air control outer tube (71) with an air inlet end, connecting the end of an exhaust tube (13) with the air inlet end of an air suction pump mechanism, then installing an oxygen-making lithium-based adsorbent (4), lifting the oxygen-making lithium-based adsorbent (4) by using external lifting equipment, placing the oxygen-making lithium-based adsorbent (4) in an oxygen-making outer tank (1), enabling the oxygen-making lithium-based adsorbent (4) to movably penetrate through the middle part of a positioning ring frame (9) until the lower surface of the oxygen-making lithium-based adsorbent (4) is contacted with the upper surface of a positioning bottom ring frame (32), then installing a sealing disc (5), lifting the sealing disc (5) by using external lifting equipment, enabling the sealing disc (5) to penetrate through a fixing seat (51) by using an external lifting equipment, rotating to enable a fixing bolt (52) to correspond to the fixing groove (502), then screwing the fixing bolt (52) by using an external tool, enabling the bottom of the fixing bolt (52) to movably clamp the corresponding fixing bolt (52) until the lower surface of the fixing bolt (52) is contacted with the upper surface of the sealing disc (5), and sealing disc (5) is positioned above the oxygen-making lithium-based adsorbent (4) by the sealing disc (4);
after the oxygen-making lithium-based adsorbent (4) is installed, air enters an air control outer pipe (71) through an air inlet end, air pressure in the air control outer pipe (71) rises, an air control bottom frame (73) is driven to vertically move upwards in the air control outer pipe (71), a plurality of air control top cylinders (74) are driven to move upwards, the tops of the air control top cylinders (74) are separated from an air control penetrating groove, a plurality of air exhaust penetrating holes (701) are arranged in the dehydrated adsorbent and squeeze an air control spring (77) until the upper surface of the air control bottom frame (73) is contacted with the lower surface of a limiting top ring (76), the air is led into a pretreatment cavity (101) through the plurality of air exhaust penetrating holes (701) and is uniformly discharged into the dehydrated adsorbent for effective dehydration pretreatment, after the air is effectively dehydrated, the air is led into a buffer cavity (102) through a supporting bottom ring frame (8) and a ventilation net frame (81), and transversely penetrates through the oxygen-making lithium-based adsorbent (4) for adsorption, oxygen is rapidly and effectively prepared through the oxygen-making lithium-based adsorbent (4), and the oxygen-making lithium-based adsorbent (4) is discharged from the middle part through the oxygen-making adsorbent (6);
when no gas is input, the air pressure in the air control outer tube (71) is slowly reduced, the air control spring (77) resets to drive the air control bottom frame (73) to vertically move downwards in the air control outer tube (71), a plurality of air control top cylinders (74) are driven to move downwards, the tops of the air control top cylinders (74) are accommodated in the air control through grooves, the air control disc (72) seals a plurality of exhaust perforations (701), and the dehydrated adsorbent stored in the pretreatment cavity (101) cannot be discharged through the plurality of exhaust perforations (701);
and thirdly, after the oxygen is exhausted, controlling to start a suction pump mechanism, introducing nitrogen adsorbed in the oxygen-making lithium-based adsorbent (4) into the exhaust cavity (103) through the breathable film (33), and introducing the nitrogen into the suction pump mechanism through the exhaust pipes (13) at the two sides to absorb the nitrogen, so that the nitrogen is prevented from being wasted.
2. The ultra-low dew point dehydrated oxygen generation system of claim 1, wherein: an outlet (21) is fixedly arranged in the middle of the top end of the tank cover (2), and the oxygen outlet pipe (6) movably penetrates through the outlet (21).
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| CN204474324U (en) * | 2015-03-06 | 2015-07-15 | 伍中华 | A kind of oxygen adsorption tower |
| KR101592432B1 (en) * | 2015-04-06 | 2016-02-05 | 한국맥널티 주식회사 | Method and apparatus manufacturing block of fruits and vegetables |
| WO2023098754A1 (en) * | 2021-12-02 | 2023-06-08 | 天津怡和嘉业医疗科技有限公司 | Oxygen generator |
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