CN115350563A - High-regeneration-rate circulating regenerated gas oxygen generator - Google Patents
High-regeneration-rate circulating regenerated gas oxygen generator Download PDFInfo
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- CN115350563A CN115350563A CN202210988450.0A CN202210988450A CN115350563A CN 115350563 A CN115350563 A CN 115350563A CN 202210988450 A CN202210988450 A CN 202210988450A CN 115350563 A CN115350563 A CN 115350563A
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- 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
- B01D53/053—Pressure swing adsorption with storage or buffer vessel
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- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
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- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/56—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition
- B01D46/62—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series
- B01D46/64—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with multiple filtering elements, characterised by their mutual disposition connected in series arranged concentrically or coaxially
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
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- 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
- B01D53/0407—Constructional details of adsorbing systems
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- B01D53/26—Drying gases or vapours
- B01D53/261—Drying gases or vapours by adsorption
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- 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
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- B01D2259/40003—Methods relating to valve switching
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Abstract
The invention discloses a high-regeneration-rate oxygen generator with circulating regenerated gas, and relates to the technical field of oxygen generators. In the air inlet process of the first drying tower, the first electric push rod works to drive the three nonadjacent drying plates to stretch into the inner box body to dry air, in the next air inlet process, the first electric push rod works to drive the other nonadjacent drying plates to dry the air, the plurality of groups of drying plates work intermittently, so that the drying effect of the equipment on the air can be effectively ensured, in addition, in the air return process, the first electric push rod can drive all the drying plates to enter the inner box body to be regenerated, and the drying effect of the equipment can be further improved.
Description
Technical Field
The invention relates to the technical field of oxygen generators, in particular to a high-regeneration-rate circulating regenerated gas oxygen generator.
Background
The oxygen generator is a kind of machine for producing oxygen and its principle is that it utilizes air separation technology. The air is compressed in high density, and then gas-liquid separation is carried out at a certain temperature by utilizing the difference of condensation points of all components in the air, and then the air is rectified to be separated into oxygen and nitrogen. In general, it is commonly called an oxygen generator because it is used to produce oxygen. Because oxygen and nitrogen have a wide range of uses, oxygen generators are also widely used in national economy. Particularly, the method is most used in industries such as metallurgy, chemical industry, petroleum, national defense and the like.
In the prior art, in consideration of cost and benefit, an oil injection screw type air compressor is generally adopted as a compressed air source of a pressure swing adsorption oxygen production device, so that compressed air produced by the air compressor contains a large amount of oil and moisture. Therefore, the compressed air is deeply dewatered, deoiled and dedusted before entering the molecular sieve. At present, a filter and a freeze dryer are generally adopted in the industry, and the water and oil treatment is not clean. All must be done by an adsorption drying process. Because the adsorption drying needs to use a part of original gas to regenerate the drying agent in the drying tower, wherein the heatless regeneration adsorption drying machine needs more than 10 percent of original gas to regenerate, the energy consumption of the adsorption drying process is higher, and the popularization and the use of the adsorption drying process configured on the oxygen generator are limited;
in addition, because the molecular sieve used by the pressure swing adsorption oxygen generation equipment has very strong affinity to water, the normal pressure dew point of the regenerated gas of the PSA oxygen generation equipment is very low, generally below 50 ℃ below zero, and the regenerated gas is very suitable for being used as the regenerated gas of an adsorption dryer, and the regenerated gas in the prior PSA oxygen generation process is directly discharged into the atmosphere and cannot be fully utilized;
in addition, the conventional pressure swing adsorption oxygen production equipment generally adopts a one-step pressure equalizing flow, namely, the outlet of the adsorption tower with saturated adsorption carries out pressure equalizing on the outlet of the adsorption tower with complete regeneration or the outlet of the adsorption tower with saturated adsorption carries out pressure equalizing on the inlet of the adsorption tower with complete regeneration, so that the pressure equalizing flow can not effectively utilize the oxygen-enriched air in the adsorption tower with saturated adsorption, the pressure is uneven, and the energy consumption of an oxygen production unit is high.
In view of the above, the present invention provides a high regeneration rate cyclic regeneration gas oxygen generator by improving the existing structure and deficiency.
Disclosure of Invention
The invention aims to provide a high-regeneration-rate circulating regenerated gas oxygen generator to solve the problems in the background technology.
In order to achieve the purpose, the invention provides the following technical scheme: a cyclic regeneration gas oxygen generator with high regeneration rate comprises an air inlet pipe, a first drying tower and a cleaning assembly, wherein an air inlet valve is connected to the outer end of the air inlet pipe, a drying air inlet pipe is connected to the end of the air inlet pipe, a drying air inlet valve is arranged at the outer end of the drying air inlet pipe, a first through pipe and a second through pipe are connected to the end of the drying air inlet pipe, the first drying tower is connected to the end of the first through pipe, a second drying tower is connected to the end of the second through pipe, a discharge pipe is connected to the outer sides of the bottoms of the first through pipe and the second through pipe, a drying exhaust valve is connected to the outer end of the discharge pipe, a delivery pipe is connected to the outer side of the bottom of the discharge pipe, a second through pipe is connected to the outer sides of the top of the first drying tower and the second drying tower, a charging pipe is connected to the outer side of the bottom of the second through pipe, a drying pressure valve is connected to the outer end of the charging pipe, an air outlet pipe is connected to the outer side of the top of the second through pipe, an air outlet check valve is connected to the outer side of the top of the air outlet pipe, a middle section of the cleaning assembly is connected to the outer side of the second drying tower, an adsorption air pipe, an adsorption three-way pipe is connected to the outer end of the adsorption tank, a first adsorption tank is connected to the adsorption tank, a first adsorption three-way pipe, a first adsorption tank is connected to the adsorption tank, a first adsorption tank, a three-way pipe, the adsorption and exhaust device is characterized in that an oxygen outlet pipe is connected to the outer side of the top of the third pipe, an oxygen outlet one-way valve is connected to the outer end of the oxygen outlet pipe, an oxygen exhaust pipe is connected to the middle end of the oxygen outlet pipe, an adsorption regeneration pipeline is connected to the middle end of the outer side of the third pipe, an adsorption regeneration stop valve is connected to the middle end of the outer side of the adsorption regeneration pipeline, an adsorption exhaust pipe is connected to the middle end of the outer side of the adsorption exhaust pipe, an adsorption exhaust valve is connected to the middle end of the outer side of the adsorption exhaust pipe, an air return pipe is connected to the middle end of the outer side of the adsorption exhaust pipe, a regeneration air pipe is connected to the end of the air return pipe, a regeneration air return valve is connected to the outer end of the regeneration air pipe, an adsorption exhaust pipe is connected to the outer side of the top of the adsorption exhaust pipe, an adsorption exhaust valve is connected to the outer side of the top of the adsorption exhaust pipe, a third adsorption pressure-equalizing pipe is connected to the end of the adsorption pressure equalizing tank, and an oxygen balance tank is connected to an oxygen outlet seat.
Furthermore, first drying tower includes outer box, first electric push rod, dry flitch and interior box, the inside both sides of outer box are connected with first electric push rod, and just the output of first electric push rod is connected with dry flitch, the inboard back middle-end of outer box is connected with interior box.
Furthermore, the drying material plates penetrate through the inner box body, and are distributed in an array shape in the inner box body.
Furthermore, the drying material plates penetrate through the inner box body, and are distributed in an array shape inside the inner box body.
Furthermore, the drying plates are symmetrically distributed along the vertical central line of the inner box body, and the area of each drying plate is half of the area of the inner cross section of the inner box body.
Further, the gas delivery pipe is communicated with the shunt pipe, and the shunt pipe is communicated with the air balance tank.
Further, clean subassembly is including clean casing, coarse filtration layer, essence layer and hyperfine filtration layer, the rear portion outside of clean casing, coarse filtration layer, essence layer and hyperfine filtration layer is connected with the butt joint pipe, the rear portion outside of butt joint pipe is provided with the transfer adsorption tank, the outside both sides of transfer adsorption tank have been seted up to leading to the groove, and the top outside of transfer adsorption tank is connected with the motor, the rear portion outside of transfer adsorption tank is provided with handles the case, and handles the bottom outside of case and seted up the blowdown groove, the pan feeding groove has been seted up in the top outside of handling the case, the rear portion outside of handling the case is provided with second electric putter.
Furthermore, the filtering layer, the fine filtering layer and the ultra-fine filtering layer are communicated with each other, and the filtering layer, the fine filtering layer and the ultra-fine filtering layer are communicated with the butt joint pipe.
Further, the transfer adsorption tank is connected with the motor in a rotating mode, and the transfer adsorption tank is integrated with the opposite through groove.
Furthermore, the air return pipe is communicated with the regeneration air pipe, and the regeneration air pipe is communicated with the second through pipe.
Furthermore, the third adsorption pressure equalizing pipe is communicated with an oxygen equalizing tank, and the oxygen equalizing tank is communicated with a third pipe through an oxygen discharge pipe.
The invention provides a high-regeneration-rate circulating regenerated gas oxygen generator, which has the following beneficial effects:
1. according to the invention, after the first adsorption tower works for a saturation set time and pressure, the second adsorption pressure equalizing valve is opened to equalize the upper part of the second adsorption tower, the adsorption exhaust valve at one end of the second adsorption tower is closed after the set time is reached, the adsorption air inlet valve at one end of the first adsorption tower is closed, the first adsorption pressure equalizing valve at one side of the second adsorption tower is opened to simultaneously feed air to the upper part and the lower part of the second adsorption tower for equalizing, at the moment, the valve of the shunt pipe is opened and the adsorption air inlet valve is closed, so that the compressed air after being processed by the drying tower in the equalizing process can enter the air balancing tank for storing energy, the air after being processed by the air balancing tank is temporarily stored for energy storage when the first adsorption tower and the second adsorption tower do not feed air, the pressure difference between the pressure of a balancing system and the pressure equalized by the first adsorption tower and the second adsorption tower is reduced, and the energy storage effect and the pressure equalization effect can be achieved.
2. When the gas transmission pipe transmits gas to the adsorption gas inlet pipe, the adsorption gas inlet pipe at the left end of the adsorption gas inlet pipe is opened, the adsorption gas inlet valve at the right end of the adsorption gas inlet pipe is closed, the first adsorption pressure equalizing valve and the second adsorption pressure equalizing valve are closed simultaneously, after the air enters the first adsorption tower, the first adsorption tower works to extract oxygen in the air, the extracted oxygen can be transmitted through the third pipe, after the oxygen outlet one-way valve outside the oxygen outlet pipe is opened, the oxygen can be stored in the oxygen equalizing tank through the oxygen discharge pipe, after the oxygen transmission is finished, a small part of gas enters the second adsorption tower through an adsorption regeneration pipeline to be regenerated while the first adsorption tower works, at the moment, the adsorption exhaust plate at the outer end of the adsorption exhaust pipe is opened simultaneously, the adsorption emptying valve is closed after the adsorbed gas in the second adsorption tower is emptied to a set pressure, the adsorption regeneration gas can enter the regeneration gas return pipe, at the moment, the regeneration gas return outside the regeneration gas return pipe outside the regeneration gas pipe, the dry cold air can flow back to the first drying tower and the second drying tower through the second drying tower, at the second adsorption exhaust valve is opened, and the adsorption regeneration gas return pipe is in a state, and the drying system, and the drying tower can save the desiccant.
3. In the working process of the first adsorption tower and the second adsorption tower, the lower part of the first adsorption tower and the lower part of the second adsorption tower are inflated by the oxygen balance tank, and the upper parts of the first adsorption tower and the second adsorption tower are equalized to form simultaneous up-down pressure equalization, so that the air pressure in the first adsorption tower and the second adsorption tower can be effectively balanced, the stability of adsorption concentration after the tower body is switched is improved, the pressure equalization time can be effectively shortened, and in addition, the pressure difference between the pressure of the first adsorption tower and the pressure of the second adsorption tower after pressure equalization and the pressure difference of a system are controlled in a small range, so that the impact of inlet air on molecular sieves in the first adsorption tower and the second adsorption tower can be greatly reduced.
4. In addition, when the effect of the active carbon in the coarse filter layer, the fine filter layer and the ultra-fine filter layer is reduced, the transfer adsorption box works, the active carbon in the coarse filter layer, the fine filter layer and the ultra-fine filter layer can be sucked into the transfer adsorption box through the butt joint of the butt joint pipe and the through groove, and then the transfer adsorption box can input the unavailable active carbon into the sewage discharge groove of the treatment box through the through groove at the other end for storage. Through motor work, the position of leading to the groove of both ends is exchanged about enabling the transfer adsorption tank, and the work of second electric push rod simultaneously enables the pan feeding groove and leads to the groove intercommunication, and transfer adsorption tank work this moment can be imported to coarse filtration layer, essence layer and super fine filtration layer with brand-new active carbon inside, and this makes the automatic change that active carbon can be realized to equipment, and this can be very big lifting means's use flexibility.
5. In the air inlet process of the first drying tower, the first electric push rod works to drive the three nonadjacent drying plates to stretch into the inner box body to dry air, in the next air inlet process, the first electric push rod works to drive the other nonadjacent drying plates to dry the air, the plurality of groups of drying plates work intermittently, so that the drying effect of the equipment on the air can be effectively ensured, in addition, in the air return process, the first electric push rod can drive all the drying plates to enter the inner box body to be regenerated, and the drying effect of the equipment can be further improved.
Drawings
FIG. 1 is a schematic view of the whole structure of a high-regeneration-rate oxygen generator with circulating regeneration gas;
FIG. 2 is a schematic diagram of the front view structure of the first drying tower of the high regeneration rate recycle regeneration gas oxygen generator of the present invention;
FIG. 3 is a schematic cross-sectional view of the first drying tower of the high regeneration rate recycle regeneration gas oxygen generator of the present invention;
FIG. 4 is a schematic view of the clean housing structure of a high regeneration rate recycle regeneration gas oxygen generator of the present invention;
fig. 5 is a schematic diagram of the overall structure of the cleaning component of the high regeneration rate recycle regeneration gas oxygen generator of the invention.
In the figure: 1. entering an air pipe; 2. an air inlet valve; 3. drying the air inlet pipe; 4. drying the air inlet valve; 5. a first through pipe; 6. a second pipe; 7. a first drying tower; 701. an outer case; 702. a first electric push rod; 703. drying the material plate; 704. an inner box body; 8. a second drying tower; 9. a discharge pipe; 10. drying the exhaust valve; 11. a delivery pipe; 12. an adsorption blow-down valve; 13. a third pipe; 14. a pressurizing pipe; 15. drying the pressurizing valve; 16. an air outlet pipe; 17. an air outlet check valve; 18. a gas delivery pipe; 19. a cleaning assembly; 1901. cleaning the shell; 1902. a coarse filtration layer; 1903. a fine filtering layer; 1904. a hyperfiltration layer; 1905. butt-joint pipes; 1906. a transfer adsorption box; 1907. aligning the through grooves; 1908. a motor; 1909. a treatment box; 1910. a sewage draining groove; 1911. a feeding groove; 1912. a second electric push rod; 20. adsorbing an air inlet pipe; 21. an adsorption air inlet valve; 22. a shunt tube; 23. an air balancing tank; 24. a first adsorption tower; 25. a second adsorption column; 26. a fourth pipe; 27. a first adsorption pressure equalizing tube; 28. a first adsorption pressure equalizing valve; 29. a second adsorption pressure equalizing pipe; 30. a second adsorption pressure equalizing valve; 31. an oxygen outlet pipe; 32. an oxygen outlet check valve; 33. an oxygen discharge pipe; 34. an adsorption regeneration pipeline; 35. an adsorption regeneration stop valve; 36. adsorbing the exhaust pipe; 37. an adsorption exhaust valve; 38. an air return pipe; 39. regenerating the trachea; 40. a regeneration air return valve; 41. adsorbing an emptying pipe; 42. a third adsorption pressure equalizing pipe; 43. an oxygen balance tank; 44. an oxygen outlet seat.
Detailed Description
Referring to fig. 1-5, the present invention provides the following technical solutions: a circulating regenerated gas oxygen generator with high regeneration rate comprises an air inlet pipe 1, a first drying tower 7 and a cleaning component 19, wherein the outer end of the air inlet pipe 1 is connected with an air inlet valve 2, the tail end of the air inlet pipe 1 is connected with a drying air inlet pipe 3, the outer end of the drying air inlet pipe 3 is provided with a drying air inlet valve 4, the tail end of the drying air inlet pipe 3 is connected with a first through pipe 5 and a second through pipe 6, the first drying tower 7 is connected with the tail end of the first through pipe 5, the tail end of the second through pipe 6 is connected with a second drying tower 8, the outer sides of the bottoms of the first through pipe 5 and the second through pipe 6 are connected with a discharge pipe 9, the outer end of the discharge pipe 9 is connected with a drying exhaust valve 10, the outer side of the bottom of the discharge pipe 9 is connected with a delivery pipe 11, the outer sides of the tops of the first drying tower 7 and the second drying tower 8 are connected with a third pipe 13, and the outer side of the bottom of the third pipe 13 is connected with a charging pipe 14, the outer end of the pressure pipe 14 is connected with a dry pressure-increasing valve 15, the outer side of the top of the third pipe 13 is connected with an air outlet pipe 16, the outer end of the air outlet pipe 16 is connected with an air outlet one-way valve 17, the outer side of the top of the air outlet pipe 16 is connected with an air delivery pipe 18, a cleaning component 19 is arranged in the middle section of the outer side of the air delivery pipe 18, the tail end of the air delivery pipe 18 is connected with an adsorption air inlet pipe 20, the outer end of the adsorption air inlet pipe 20 is connected with an adsorption air inlet valve 21, the middle end of the outer side of the air delivery pipe 18 is connected with a shunt pipe 22, the outer end of the shunt pipe 22 is connected with an air balance tank 23, the tail end of the adsorption air inlet pipe 20 is connected with a first adsorption tower 24 and a second adsorption tower 25, the outer sides of the tops of the first adsorption tower 24 and the second adsorption tower 25 are connected with a fourth pipe 26, the outer side of the bottom of the fourth pipe 26 is connected with a first adsorption pressure-increasing valve 27, the outside of the top of the adsorption air inlet pipe 20 is connected with a second adsorption pressure equalizing pipe 29, the outer end of the second adsorption pressure equalizing pipe 29 is connected with a second adsorption pressure equalizing valve 30, the outside of the top of the fourth pipe 26 is connected with an oxygen outlet pipe 31, the outer end of the oxygen outlet pipe 31 is connected with an oxygen outlet check valve 32, the middle end of the oxygen outlet pipe 31 is connected with an oxygen outlet pipe 33, the middle end of the outside of the fourth pipe 26 is connected with an adsorption regeneration pipeline 34, the middle end of the outside of the adsorption regeneration pipeline 34 is connected with an adsorption regeneration stop valve 35, the middle end of the outside of the adsorption air inlet pipe 20 is connected with an adsorption exhaust pipe 36, the middle end of the outside of the adsorption exhaust pipe 36 is connected with an adsorption exhaust valve 37, the middle end of the adsorption exhaust pipe 36 is connected with an air return pipe 38, the end of the air return pipe 38 is connected with a regeneration air pipe 39, the outer end of the regeneration air pipe 39 is connected with a regeneration air return valve 40, the outside of the top of the adsorption exhaust pipe 36 is connected with an adsorption exhaust pipe 41, the outer end of the adsorption exhaust pipe 41 is connected with an adsorption exhaust valve 12, the outside of the top of the second adsorption pressure equalizing pipe 29 is connected with a third adsorption pressure equalizing pipe 42, and the end of an oxygen equalizing tank 43 is connected with an oxygen equalizing tank 44.
Referring to fig. 1, the gas pipe 18 is communicated with the diversion pipe 22, the diversion pipe 22 is communicated with the air balance tank 23, the gas return pipe 38 is communicated with the regenerated gas pipe 39, the regenerated gas pipe 39 is communicated with the third branch pipe 13, the third adsorption pressure equalizing pipe 42 is communicated with the oxygen balance tank 43, and the oxygen balance tank 43 is communicated with the fourth branch pipe 26 through the oxygen discharge pipe 33;
specifically, the air inlet valve 2 is opened, compressed air enters the drying air inlet pipe 3 through the air inlet pipe 1, the drying air inlet valve 4 is opened at the moment, the air can enter the inside of the first drying tower 7 and the second drying tower 8 through the first through pipe 5, the first drying tower 7 and the second drying tower 8 are consistent in structure, the air can contact with the drying plate 703 after entering the inside of the first drying tower 7 and the second drying tower 8, so that the first drying tower 7 and the second drying tower 8 can absorb moisture in the air, the air outlet one-way valve 17 is opened at the moment, the air can enter the inside of the air outlet pipe 16 through the first three-way pipe 13 and is input into the inside of the adsorption air inlet pipe 20 through the air delivery pipe 18, when the air delivery pipe 18 delivers air to the adsorption air inlet pipe 20, the adsorption air inlet valve 21 at the left end of the adsorption air inlet pipe 20 is opened, the adsorption air inlet valve 21 at the right end of the adsorption air inlet pipe 20 is closed, the first adsorption pressure equalizing valve 28 and the second adsorption pressure equalizing valve 30 is closed, after the air enters the inside of the first adsorption air inlet pipe 24, a part of the adsorption air inlet pipe 24 can extract oxygen from the air exhausted from the adsorption regeneration tower, the air exhaust pipe 12, the oxygen extraction exhaust pipe 32 is extracted from the adsorption regeneration tower, the oxygen regeneration tower is extracted, the oxygen regeneration tower 12, the oxygen regeneration gas can be delivered to the oxygen regeneration tower through the oxygen regeneration tower 12, the oxygen regeneration tower 12, the oxygen regeneration tower 25, the oxygen regeneration tower 32, at this time, the regeneration air return valve 40 outside the regeneration air pipe 39 is opened, the dry cold air can flow back to the inside of the first drying tower 7 and the second drying tower 8 through the first three-way pipe 13, at this time, the adsorption exhaust valve 37 is in an open state, the adsorption evacuation valve 12 is in a closed state, the adsorption evacuation pipe 41 is in a closed state, the dry cold air can flow back to the inside of the first drying tower 7 and the second drying tower 8 through the first three-way pipe 13, so that the desiccant of the drying material plate 703 inside the first drying tower 7 and the second drying tower 8 can be regenerated, which can save the regeneration air source required by the conventional dryer, save the system air consumption, at this time, the drying exhaust valve 10 outside the exhaust pipe 9 is opened, and the oxygen entering the oxygen balancing tank 43 can enter the oxygen outlet 44 through the discharge pipe 11, the oxygen outlet 44 includes a precision filter, a flow meter, a flow rate control valve, a product oxygen detection qualified valve and a sterilizing filter, the qualified oxygen can be normally discharged for use through the filter, then, after the first adsorption tower 24 works to reach the saturation time and adsorption set adsorption pressure, after the adsorption pressure, the adsorption process, the adsorption pressure balancing tank 25 is opened, the second adsorption tank 30 opens, the second adsorption equalizing tank 25 is closed, the adsorption pressure balancing tank 25, the air inlet valve 23 and the pressure balancing tank 25 of the second adsorption tower is closed, the adsorption tower, the adsorption tank 21 is closed, the adsorption tank, the second adsorption tank 21, the adsorption tank 25 is closed, the adsorption tank for the air inlet pressure balancing tank for the air inlet valve for the second adsorption process, the second adsorption tank for the second adsorption air inlet balancing tank for the second adsorption air inlet 25, the second adsorption tank for the second adsorption air inlet 25, the second adsorption tank for drying tower for drying process, the second adsorption tank for the second adsorption process, the second adsorption air inlet 25, the second adsorption air inlet pressure balancing tank for the second adsorption process is performed after the adsorption tank for the adsorption air inlet 25, the adsorption air inlet 25 for the adsorption tank for the adsorption air inlet pressure balancing tank for the adsorption air inlet 25, the second adsorption process, the pressure difference between the pressure of a balance system and the pressure equalized by the first adsorption tower 24 and the second adsorption tower 25 can be reduced, the energy storage effect and the balance pressure effect can be achieved, then the pressure equalization is completed after the second adsorption tower 25 is pressed to be the same as the set value of the system air inlet pressure, then the first adsorption pressure equalizing valve 28 and the second adsorption pressure equalizing valve 30 are closed, the adsorption air inlet valve 21 at the end of the second adsorption tower 25 and the adsorption exhaust valve 37 at the end of the first adsorption tower 24 are opened, the valve at the end of the shunt pipe 22 is closed to exhaust the first adsorption tower 24, meanwhile, the second adsorption tower 25 carries out air inlet to adsorb other gases in the air, when the exhaust of the first adsorption tower 24 reaches the set time, the adsorption exhaust valve 37 is closed, meanwhile, the second adsorption tower 25 regenerates the drying tower through the regenerated gas of the adsorption regeneration pipeline 34 by the gas circulation pipe 38, in the working process of the first adsorption tower 24 and the second adsorption tower 25, the lower part of the first adsorption tower 24 and the second adsorption tower 25 are inflated by using the oxygen balancing tank 43, and the pressure is equalized with the upper parts of the first adsorption tower 24 and the second adsorption tower 25 to form simultaneous pressure equalization up and down, so that the tower body pressure of the first adsorption tower 24 and the second adsorption tower 25 can be effectively balanced, the stability of the adsorption concentration after the tower body switching is improved, the pressure equalization time can be effectively shortened, in addition, the pressure of the first adsorption tower 24 and the second adsorption tower 25 and the system pressure difference are controlled in a small range after the pressure equalization, and the impact of the inlet gas on molecular sieves in the first adsorption tower 24 and the second adsorption tower 25 can be greatly reduced.
Referring to fig. 2 to 5, the first drying tower 7 includes an outer box 701, a first electric push rod 702, a drying material plate 703 and an inner box 704, the first electric push rod 702 is connected to two sides of the inside of the outer box 701, the output end of the first electric push rod 702 is connected to the drying material plate 703, the inner box 704 is connected to the rear middle end of the inside of the outer box 701, the drying material plate 703 penetrates the inner box 704, the drying material plate 703 is distributed in an array inside the inner box 704, the drying material plate 703 is symmetrically distributed along the vertical center line of the inner box 704, the area of the drying material plate 703 is half of the area of the inner cross section of the inner box 704, the cleaning assembly 19 includes a cleaning housing 1901, a coarse filter layer 1902, a fine filter layer 1903 and a hyperfiltration layer 1904, the cleaning housing 1901, the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfine filtering layer 1904 are connected with a butt joint pipe 1905 on the outer side of the rear portion of the butt joint pipe 1905, a transfer adsorption tank 1906 is arranged on the outer side of the rear portion of the transfer adsorption tank 1906, a through groove 1907 is arranged on two outer sides of the transfer adsorption tank 1906, a motor 1908 is connected with the outer side of the top portion of the transfer adsorption tank 1906, a treatment tank 1909 is arranged on the outer side of the rear portion of the transfer adsorption tank 1906, a sewage discharge groove 1910 is arranged on the outer side of the bottom portion of the treatment tank 1909, a material inlet groove 1911 is arranged on the outer side of the top portion of the treatment tank 1909, a second electric push rod 1912 is arranged on the outer side of the rear portion of the treatment tank 1909, the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfine filtering layer 1904 are communicated with each other, the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfine filtering layer 1904 are communicated with the butt joint pipe 1905, the transfer adsorption tank 1906 is rotatably connected with the motor 1908, and the through groove 1906 is integrated with the butt joint pipe 1907;
the operation is as follows, the air can enter the inside of the cleaning shell 1901 in the process of conveying in the air pipe 18, after entering the inside of the cleaning shell 1901, the air can contact with the coarse filtration layer 1902, the fine filtration layer 1903 and the hyperfiltration layer 1904 in sequence, through multiple filtration, the content of harmful substances and dust in the air can be greatly reduced, which can greatly facilitate the adsorption operation of the subsequent adsorption tower, in addition, when the effect of the activated carbon in the coarse filtration layer 1902, the fine filtration layer 1903 and the hyperfiltration layer 1904 is reduced, the transfer adsorption tank 1906 works, the activated carbon in the coarse filtration layer 1902, the fine filtration layer 1903 and the hyperfiltration layer 1904 can be sucked into the transfer adsorption tank 1910 6 through the butt joint of the butt joint pipe 1907 and the butt joint pipe 1905, then the transfer adsorption tank 1906 can input the unusable activated carbon into the sewage disposal tank 1910 of the disposal tank 1909 through the butt joint groove 1907 at the other end, and then 1901906 can be stored. The opposite through grooves 1907 at the left end and the right end of the transfer adsorption box 1906 can be exchanged by the operation of the motor 1908, and the second electric push rod 1912 can be operated to communicate the feeding groove 1911 with the opposite through grooves 1907, at this time, the transfer adsorption box 1906 operates to input brand new activated carbon into the coarse filtering layer 1902, the fine filtering layer 1903 and the ultra-fine filtering layer 1904, so that the equipment can realize automatic exchange of the activated carbon, the use flexibility of the lifting equipment is high, the first drying tower 7 and the second drying tower 8 have the same structure, the first electric push rod 702 operates in the air inlet process of the first drying tower 7 to drive three non-adjacent drying plates to extend into the inner box 704 to dry the air, and in the next air inlet process, the first electric push rod 702 operates to drive three non-adjacent drying plates 703 to dry the air, the plurality of drying plates operate intermittently, so that the drying effect of the equipment on the air can be effectively ensured, and in the air return process, the first electric push rod 702 can drive the three non-adjacent drying plates 703 to regenerate the drying plates 703 so that the lifting equipment can enter the inner box 704 to obtain the drying effect.
In conclusion, when the high-regeneration-rate recycled regenerated gas oxygen generator is used, firstly, the air inlet valve 2 is opened, compressed air enters the drying air inlet pipe 3 through the air inlet pipe 1, at the moment, the drying air inlet valve 4 is opened, the air can enter the first drying tower 7 and the second drying tower 8 through the first through pipe 5, the first drying tower 7 and the second drying tower 8 are consistent in structure, the air can be contacted with the drying material plate 703 after entering the first drying tower 7 and the second drying tower 8, so that the first drying tower 7 and the second drying tower 8 can absorb moisture in the air, at the moment, the air outlet one-way valve 17 is opened, the air can enter the air outlet pipe 16 through the third through the three-way pipe 13 and is input into the adsorption air inlet pipe 20 through the air inlet pipe 18;
then when the air pipe 18 transmits air to the adsorption air inlet pipe 20, the adsorption air inlet valve 21 at the left end of the adsorption air inlet pipe 20 is opened, the adsorption air inlet valve 21 at the right end of the adsorption air inlet pipe 20 is closed, the first adsorption pressure equalizing valve 28 and the second adsorption pressure equalizing valve 30 are closed at the same time, after the air enters the first adsorption tower 24, the first adsorption tower 24 works to extract oxygen in the air, the extracted oxygen can be transmitted through the fourth through pipe 26, after the oxygen outlet one-way valve 32 outside the oxygen outlet pipe 31 is opened, the oxygen can be stored in the oxygen balancing tank 43 through the oxygen outlet pipe 33, after the transmission of the oxygen is completed, when the first adsorption tower 24 works, a small part of gas enters the second adsorption tower 25 through the adsorption regeneration pipeline 34 to be regenerated, at this time, the adsorption exhaust valve 37 at the outer end of the adsorption exhaust pipe 36 is opened, meanwhile, the adsorption evacuation valve 12 is opened, the gas after adsorption in the second adsorption tower 25 is evacuated to a set pressure, then the adsorption evacuation valve 12 is closed, the adsorption regeneration gas can enter the regeneration gas pipe 39 through the gas return pipe 38, at this time, the regeneration gas return valve 40 outside the regeneration gas pipe 39 is opened, the dry cold air can flow back to the first drying tower 7 and the second drying tower 8 through the third pipe 13, at this time, the adsorption exhaust valve 37 is in an open state, the adsorption evacuation valve 12 is in a closed state, the adsorption evacuation pipe 41 is in a closed state, and after the dry cold air can flow back to the first drying tower 7 and the second drying tower 8 through the third pipe 13, the drying agents of the drying plates 703 in the first drying tower 7 and the second drying tower 8 can be regenerated, so that the regeneration gas source required by the conventional dryer can be saved, and the gas consumption of the system can be saved;
then the dry exhaust valve 10 outside the discharge pipe 9 is opened, and the dry exhaust valve is discharged from the equipment through the delivery pipe 11, the oxygen entering the oxygen balance tank 43 can enter the oxygen outlet seat 44, the oxygen outlet seat 44 comprises a pressure regulating valve, a precision filter, a flowmeter, a flow regulating valve, a finished product oxygen qualified detection valve and a sterilizing filter, the qualified oxygen can be precisely filtered and checked, and can be normally discharged for use through the sterilizing filter, then, after the first adsorption tower 24 works to reach the saturation set time and pressure, the second adsorption pressure equalizing valve 30 is opened to start upper pressure equalizing on the second adsorption tower 25, after the set time is reached, the adsorption exhaust valve 37 at one end of the second adsorption tower 25 is closed, the adsorption air inlet valve 21 at one end of the first adsorption tower 24 is closed, the first adsorption pressure equalizing valve 28 at one side of the second adsorption tower 25 is opened to perform upper and lower simultaneous air inlet pressure equalizing on the second adsorption tower 25, at this moment, the valve of the shunt pipe 22 is opened and the adsorption air inlet valve 21 is closed, so that the compressed air after being processed by the drying tower can enter the air balance tank 23 for energy storage in the pressure equalizing process, the air balance tank 23 is utilized to temporarily store the energy storage of the air after being processed by the drying tower when the first adsorption tower 24 and the second adsorption tower 25 do not enter the air, the pressure difference between the pressure of the balance system and the pressure of the first adsorption tower 24 and the pressure of the second adsorption tower 25 after being equalized can be reduced, the energy storage function and the balance pressure function can be achieved, then the pressure equalization of the second adsorption tower 25 is completed after the pressure equalization is the same as the set value of the system air inlet pressure, then the first adsorption pressure equalizing valve 28 and the second adsorption pressure equalizing valve 30 are closed, the adsorption air inlet valve 21 at the end of the second adsorption tower 25 and the adsorption exhaust valve 37 at the end of the first adsorption tower 24 are opened, and the valve at the end of the shunt pipe 22 is closed to exhaust the first adsorption tower 24, meanwhile, the second adsorption tower 25 is used for feeding air to adsorb other gases in the air;
then when the exhaust of the first adsorption tower 24 reaches the set time, closing the adsorption exhaust valve 37, simultaneously regenerating the drying tower by the regenerated gas of the second adsorption tower 25 through the adsorption regeneration pipeline 34 through the circulating gas return pipe 38, in the working process of the first adsorption tower 24 and the second adsorption tower 25, performing lower inflation on the first adsorption tower 24 and the second adsorption tower 25 by using the oxygen balance tank 43, and performing pressure equalization with the upper parts of the first adsorption tower 24 and the second adsorption tower 25 to form simultaneous pressure equalization up and down, so that the pressure in the tower body of the first adsorption tower 24 and the second adsorption tower 25 can be effectively balanced, the stability of the adsorption concentration after the tower body is switched is improved, the pressure equalization time can be effectively shortened, and in addition, the pressure difference between the pressure of the first adsorption tower 24 and the second adsorption tower 25 after the pressure equalization and the system pressure is controlled in a small range, so that the impact of the intake gas on the molecular sieves in the first adsorption tower 24 and the second adsorption tower 25 can be greatly reduced;
then, in the process of conveying air in the air pipe 18, the air can enter into the cleaning housing 1901, after entering into the cleaning housing 1901, the air can be sequentially contacted with the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfiltration layer 1904, through multiple filtering, the content of harmful substances and dust in the air can be greatly reduced, which can greatly facilitate the adsorption operation of a subsequent adsorption tower, in addition, after the effect of the activated carbon in the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfiltration layer 1904 is reduced, the transfer adsorption tank 1906 works, the activated carbon in the rough filtering layer 1902, the fine filtering layer 1903 and the hyperfiltration layer 1904 can be sucked into the transfer adsorption tank 1906 through the butt joint of the through groove 1907 and the butt joint pipe 1905, then the transfer adsorption tank 1906 can input the unusable activated carbon into the sewage disposal groove of the disposal tank 1909 through the through groove 1907 at the other end, and then the sewage disposal tank is stored. Through the work of the motor 1908, the positions of the opposite through grooves 1907 at the left end and the right end of the transfer adsorption tank 1906 can be exchanged, meanwhile, the second electric push rod 1912 works, the feeding groove 1911 can be communicated with the opposite through grooves 1907, at the moment, the transfer adsorption tank 1906 works, and brand new active carbon can be input into the rough filtering layer 1902, the fine filtering layer 1903 and the ultra-fine filtering layer 1904, so that the automatic replacement of the active carbon can be realized for the equipment, and the use flexibility of the equipment can be greatly improved; a (c)
Finally, in the air intake process of the first drying tower 7, the first electric push rod 702 works to drive the three nonadjacent drying material plates 703 to extend into the inner box body 704 to dry the air, in the next air intake process, the first electric push rod 702 works to drive the other nonadjacent drying material plates 703 to dry the air, the plurality of drying material plates 703 are used for working intermittently, the drying effect of the equipment on the air can be effectively ensured, in addition, in the air return process, the first electric push rod 702 can drive all the drying material plates 703 to enter the inner box body 704 for regeneration, and therefore the drying effect of the equipment can be further improved.
The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to practitioners skilled in this art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.
Claims (10)
1. The utility model provides a circulation regeneration gas oxygenerator of high regeneration rate, its characterized in that, includes into trachea (1), first drying tower (7) and clean subassembly (19), the outer end of going into trachea (1) is connected with into pneumatic valve (2), and the end-to-end connection who goes into trachea (1) has dry intake pipe (3), the outer end of dry intake pipe (3) is provided with dry admission valve (4), and the end-to-end connection of dry intake pipe (3) has first siphunculus (5) and second siphunculus (6), first drying tower (7) are connected in the end of first siphunculus (5), and the end-to-end connection of second siphunculus (6) has second drying tower (8), the bottom outside of first siphunculus (5) and second siphunculus (6) is connected with discharge pipe (9), and the outer end of discharge pipe (9) is connected with dry discharge valve (10), the bottom outside of discharge pipe (9) is connected with delivery pipe (11), the top outside of first drying tower (7) and second drying tower (8) is connected with third siphunculus (13), and the bottom outside of third siphunculus (13) is connected with pressure valve (14), the air outlet (16) is connected with the one-way pipe (16), the top outlet duct (16) of air charging valve (16), the outer side of the top of the air outlet pipe (16) is connected with an air conveying pipe (18), the cleaning component (19) is arranged in the middle section of the outer side of the air conveying pipe (18), the tail end of the air conveying pipe (18) is connected with an adsorption air inlet pipe (20), the outer end of the adsorption air inlet pipe (20) is connected with an adsorption air inlet valve (21), the middle end of the outer side of the air conveying pipe (18) is connected with a shunt pipe (22), the outer end of the shunt pipe (22) is connected with an air balance tank (23), the tail end of the adsorption air inlet pipe (20) is connected with a first adsorption tower (24) and a second adsorption tower (25), the outer sides of the tops of the first adsorption tower (24) and the second adsorption tower (25) are connected with a fourth through pipe (26), the outer side of the bottom of the fourth through pipe (26) is connected with a first adsorption pressure equalizing valve (27), the outer end of the first adsorption pressure equalizing pipe (27) is connected with a first adsorption pressure equalizing valve (28), the outer side of the top of the adsorption air inlet pipe (20) is connected with a second adsorption pressure equalizing pipe (29), the outer end of the top of the second adsorption pressure equalizing pipe (26) is connected with a second adsorption pressure equalizing pipe (31), the outer end of the oxygen outlet pipe (31) is connected with an oxygen outlet pipe (31), and the oxygen outlet pipe (31) is connected with an oxygen outlet pipe (31), the outside middle-end of fourth siphunculus (26) is connected with adsorbs regeneration pipeline (34), and the outside middle-end of adsorbing regeneration pipeline (34) is connected with adsorbs regeneration stop valve (35), the outside middle-end of adsorbing intake pipe (20) is connected with adsorbs blast pipe (36), and the outside middle-end of adsorbing blast pipe (36) is connected with adsorbs discharge valve (37), the outside middle-end of adsorbing blast pipe (36) is connected with muffler (38), the end-to-end connection of muffler (38) has regeneration trachea (39), and the outer end of regeneration trachea (39) is connected with regeneration air return valve (40), the top outside of adsorbing blast pipe (36) is connected with adsorbs exhaust pipe (41), and the outer end of adsorbing exhaust pipe (41) is connected with adsorbs evacuation valve (12), the top outside of second adsorption equalization pipe (29) is connected with third adsorption equalization pipe (42), and the end-to-end connection of third adsorption equalization pipe (42) has oxygen balance tank (43), the end-to-end connection of oxygen balance tank (43) has out oxygen seat (44).
2. The high-regeneration-rate oxygen generator using recycled regenerated gas according to claim 1, wherein the first drying tower (7) comprises an outer box (701), a first electric push rod (702), a drying plate (703) and an inner box (704), the first electric push rod (702) is connected to two sides of the inside of the outer box (701), the drying plate (703) is connected to the output end of the first electric push rod (702), and the inner box (704) is connected to the rear middle end of the inside of the outer box (701).
3. The high-regeneration-rate oxygen generator with circulating regeneration gas as claimed in claim 2, wherein the drying material plates (703) penetrate through the inner box body (704), and the drying material plates (703) are distributed in an array inside the inner box body (704).
4. The high-regeneration-rate circulating regenerated gas oxygen generator according to claim 2, wherein the drying material plates (703) are symmetrically distributed along the vertical central line of the inner box body (704), and the area of the drying material plates (703) is half of the area of the inner cross section of the inner box body (704).
5. A high regeneration rate oxygen generator with cyclic regeneration gas according to claim 1, wherein the gas pipe (18) is communicated with the shunt pipe (22), and the shunt pipe (22) is communicated with the air balance tank (23).
6. The high-regeneration-rate oxygen generator with recycled regeneration gas as claimed in claim 1, wherein the cleaning assembly (19) comprises a cleaning housing (1901), a rough filtering layer (1902), a fine filtering layer (1903) and a hyperfiltration layer (1904), the cleaning housing (1901), the rough filtering layer (1902), the fine filtering layer (1903) and the hyperfiltration layer (1904) are connected with a butt pipe (1905) at the outer side of the rear portion, a transfer adsorption tank (1906) is arranged at the outer side of the rear portion of the butt pipe (1905), a pair through groove (1907) is formed in the two outer sides of the transfer adsorption tank (1906), a motor (1908) is connected to the outer side of the top of the transfer adsorption tank (1906), a pollution discharge groove (1910) is formed in the outer side of the bottom of the treatment tank (1909), a feeding groove (1911) is formed in the outer side of the top of the treatment tank (1909), and a second electrical treatment rod (1912) is arranged at the outer side of the rear portion of the treatment tank (1909).
7. The high-regeneration-rate oxygen generator with cyclic regeneration gas as claimed in claim 6, wherein the coarse filter layer (1902), the fine filter layer (1903) and the ultra-fine filter layer (1904) are communicated with each other, and the coarse filter layer (1902), the fine filter layer (1903) and the ultra-fine filter layer (1904) are communicated with the butt joint pipe (1905).
8. The high-regeneration-rate oxygen generator with cyclic regeneration gas according to claim 6, wherein the intermediate adsorption tank (1906) is rotatably connected with a motor (1908), and the intermediate adsorption tank (1906) is integrated with the opposite through groove (1907).
9. A high regeneration rate oxygen generator with cyclic regeneration gas according to claim 1, wherein said gas return pipe (38) is connected to the regeneration gas pipe (39), and the regeneration gas pipe (39) is connected to the third pipe (13).
10. A high regeneration rate oxygen generator by using recycled regenerated gas according to claim 1, characterized in that the third adsorption pressure equalizing pipe (42) is connected to the oxygen equalizing tank (43), and the oxygen equalizing tank (43) is connected to the fourth pipe (26) through the oxygen discharging pipe (33).
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