CN204111314U - Small-sized three-tower structure molecular-sieve oxygen generator - Google Patents
Small-sized three-tower structure molecular-sieve oxygen generator Download PDFInfo
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- CN204111314U CN204111314U CN201420528335.6U CN201420528335U CN204111314U CN 204111314 U CN204111314 U CN 204111314U CN 201420528335 U CN201420528335 U CN 201420528335U CN 204111314 U CN204111314 U CN 204111314U
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Abstract
The utility model relates to a kind of small-sized three-tower structure molecular-sieve oxygen generator, comprises three adsorption towers, four gas-holder and magnetic valve group; Described magnetic valve group comprises 9 magnetic valves; The air outlet of three described adsorption towers connects gas-holder by check valve.The utility model, in small-sized three tower molecular-sieve oxygen generators, has that volume is little, oxygen-producing amount is high, top hole pressure is large, a moveable feature.By reducing molecular sieve bucket blade diameter length ratio, adopting atm number oilless air compressor, optimizing line construction; Decrease the use of magnetic valve simultaneously, while decreasing material cost, improve the service efficiency of three tower molecular sieves, go out oxidation stability.
Description
Technical field
The utility model relates to a kind of molecular-sieve oxygen generator, especially a kind of small volume and have the molecular-sieve oxygen generator of three adsorption tower structures.
Background technology
Oxygen has purposes widely as a kind of important raw material in fields such as industry smelting, papermaking bleaching, sewage disposal, health care, plateau oxygenating, scientific research oxygen sources.Along with pressure swing adsorption process (Pressure Swing Adsorption, being called for short PSA) oxygenerating technology is after 20th century, the sixties succeeded in developing, it utilizes adsorbent of molecular sieve to have different adsorptive power oxygens to nitrogen and oxygen, the features such as oxygen is fast, safety, economy, convenience of producing demonstrate out advantage, easily replace bottled oxygen in the past and chemical oxygen generation.Until after the First Miniature oxygenerator appearance of the U.S. Praxair company development eighties in 20th century, oxygen mfg. machine with miniature molecular sieve share of market is also rising year by year.
At present, conventional PSA oxygen technique is divided into two tower molecular sieve oxygen generations, three tower molecular sieve oxygen generations and four tower molecular sieve oxygen generations, and pressure swing adsorption process substantially can be divided into absorption, emptying, flushing, all press these steps.
Two tower molecular sieve oxygen generation techniques are common in oxygen mfg. machine with miniature molecular sieve, and two adsorbing tower with molecular sieve alternate cycles produces oxygen, and technical process simple operations is easy, but its oxygen recovery efficiency finds to only have 30% after deliberation, and go out oxygen flow and pressure is all restricted.
Three tower molecular sieve oxygen generations and four tower molecular sieve oxygen generations are common in the molecular-sieve oxygen generator of large discharge large volume.Wherein four tower molecular sieve oxygen generations are having two kinds of modes at present on the market, and a kind of is utilize the oxygenerator cascade air inlet of two two tower structures and give vent to anger, and reaches nominal four tower oxygens, and this method oxygen generation efficiency is low and similar with two tower oxygen principles; Another kind is four tower oxygens on practical significance, and namely each adsorption tower will produce oxygen through the circulation of four steps, and technical process is complicated, troublesome poeration.
Three tower molecular-sieve oxygen generators due to oxygen-producing amount large, top hole pressure is comparatively large, and oxygen generation efficiency is higher, and use sexual valence higher at some industrial circles, but three-tower structure molecular-sieve oxygen generator major part is all main equipment at present, consume material, not easily moves; And magnetic valve usage quantity is more, reach about 15, control comparatively loaded down with trivial details; System monitoring imperfection, the security of equipment and manipulator is lower; Because the operating pressure of three tower oxygenerators is higher, the air temperature rise through overdraft is very high, and three tower oxygenerators on the market do not have good cooling system at present.
Utility model content
The technical problems to be solved in the utility model is: provide a kind of small-sized three-tower structure molecular-sieve oxygen generator, have small volume removable, and magnetic valve uses and controls less conveniently, to produce the advantages such as oxygen ability is strong, cost is lower, heat-removal system is advanced.
The utility model solves the technical scheme that its technical problem adopts: a kind of small-sized three-tower structure molecular-sieve oxygen generator, comprises three adsorption towers, four gas-holder and magnetic valve group; Described magnetic valve group comprises 9 magnetic valves: the first intake valve, the second intake valve, the 3rd intake valve, the first exhaust gas valve, the second exhaust gas valve, the 3rd exhaust gas valve, the first equalizing valve, the second equalizing valve, the 3rd equalizing valve; The inlet end of the first described intake valve, the second intake valve, the 3rd intake valve is connected with compressor outlet side; The outlet side of the first described intake valve is connected with the inlet end of the inlet end of the first adsorption tower and the first exhaust gas valve; The outlet side of the second described intake valve is connected with the inlet end of the inlet end of the second adsorption tower and the second exhaust gas valve; The outlet side of the 3rd described intake valve is connected with the inlet end of the inlet end of the 3rd adsorption tower and the 3rd exhaust gas valve; Exhaust noise silencing system is all accessed in the air outlet of the first described exhaust gas valve, the second exhaust gas valve and the 3rd exhaust gas valve; The first described equalizing valve, the second equalizing valve, the 3rd equalizing valve be the corresponding air outlet accessing the first adsorption tower, the second adsorption tower, the 3rd adsorption tower respectively, the first adsorption tower, the second adsorption tower and the 3rd adsorption tower C is cascaded up between two; The air outlet of three described adsorption towers connects gas-holder by check valve.
Further, three adsorption towers described in the utility model have staving; Described staving is aluminium alloy sieve bucket, and diameter is 86 ~ 90mm, reduces the volume of three tower oxygenerators to a great extent; Described gas-holder is aluminium alloy gas-holder; The diameter of the tank body of described gas-holder is 76 ~ 80mm; For cushioning the oxygen gone out by molecular sieving, reach the supply that high pressure, high-concentration oxygen are continual and steady.
The beneficial effects of the utility model are, solve the defect existed in background technology, have that volume is little, oxygen-producing amount is high, top hole pressure is large, a moveable feature; Decrease the use of magnetic valve, while decreasing material cost, improve the service efficiency of three tower molecular sieves, go out oxidation stability.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is further illustrated.
Fig. 1 is electrical structure diagram of the present utility model.
Embodiment
With preferred embodiment, the utility model is described in further detail by reference to the accompanying drawings now.These accompanying drawings are the schematic diagram of simplification, only basic structure of the present utility model are described in a schematic way, and therefore it only shows the formation relevant with the utility model.
As shown in Figure 1,9 magnetic valves, respectively: intake valve A, intake valve B, intake valve C, exhaust gas valve A, exhaust gas valve B, exhaust gas valve C, equalizing valve A, equalizing valve B, equalizing valve C, for controlling the guiding path of pressurized air, oxygen and waste gas.Wherein, the inlet end of intake valve A, intake valve B, intake valve C is connected with compressor outlet side, the outlet side of intake valve A is connected with the inlet end of exhaust gas valve A with the inlet end of adsorption tower A, the outlet side of intake valve B is connected with the inlet end of exhaust gas valve B with the inlet end of adsorption tower B, the outlet side of intake valve C is connected with the inlet end of exhaust gas valve C with the inlet end of adsorption tower C, and exhaust noise silencing system is all accessed in the air outlet of exhaust gas valve A, exhaust gas valve B and exhaust gas valve C.Equalizing valve A, equalizing valve B, equalizing valve C access the air outlet of adsorption tower A, adsorption tower B, adsorption tower C respectively, adsorption tower A, adsorption tower B, adsorption tower C are cascaded up between two.Adsorption tower air outlet connects gas receiver, and check valve conducting is used in centre.
Three adsorption towers all select respectively diameter be the aluminium alloy sieve bucket of 88mm for loading adsorbent of molecular sieve, reduce the volume of three tower oxygenerators to a great extent; Simultaneously four diameters are the aluminium alloy gas receiver of 78mm, for cushioning the oxygen gone out by molecular sieving, reach the supply that high pressure, high-concentration oxygen are continual and steady.Adsorption tower herein and the diameter of gas receiver are internal diameter.
Three tower oxygenerators run circulation and include three systemic circulations and four partial circulatings, add up to 12 steps to complete 1 oxygen cycle.B tower circulation oxygen supply that three systemic circulations comprise: A tower circulation oxygen supply---C tower circulation oxygen supply---, reenters A tower circulation oxygen supply afterwards; Four partial circulatings comprise in the process of each systemic circulation, all to carry out 4 step operations, for A tower circulation oxygen supply, 4 steps A towers are all carrying out inflation adsorption oxygen-preparation process, and C tower carries out desorb discharging waste gas in the first two step, A tower is all pressed C tower B tower, B tower simultaneously, and latter two steps, after B tower completes pressure equalizing to C tower, starts the pressure equalizing that B tower carries out desorb discharging waste gas and A tower and C tower.Equally, enter C tower circulation oxygen supply and also will continue previous step, based on C tower adsorption oxygen-preparation, the pressure equalizing successively from C tower to A tower to B tower, gets rid of the desorb waste gas of B tower and A tower, completes 4 inner partial circulatings.
The utility model is by the three-tower structure PSA oxygenerator volume-diminished of main equipment is high to 860mm long * 660mm wide * 660mm on the market at present, oxygen flow can be adjustable from 0-20L/min, top hole pressure is maximum can reach 0.4Mpa, oxygen generation concentration also reaches the molecular sieve oxygen generation standard of 93% ± 3%, in small-sized PSA oxygenerator, this rate of discharge and top hole pressure reach highest level; And in this type, the large castor of 4 diameter 10cm has been installed on chassis, facilitates complete machine to move, industry and many-sided demand have been met simultaneously.
In addition, the utility model optimizes complete machine operational scheme and step, reduces the use of magnetic valve, while decreasing material cost, improves the service efficiency of three tower molecular sieves, go out oxidation stability.The quantity of large-scale three tower molecular sieve control valves operations is on the market at about 15 at present, and the use of this utility model molecular sieve Controlling solenoid valve has reduced to 9, and this cost of single just decreases more than 2000 yuan; And the minimizing of magnetic valve facilitates the optimization of complete machine operational scheme, operational scheme is divided into systemic circulation and partial circulating to have 12 steps altogether, calculates, reach more than 75% from oxygen recovery rate.
The just embodiment of the present utility model described in above specification sheets, various illustrating is not construed as limiting flesh and blood of the present utility model, person of an ordinary skill in the technical field after having read specification sheets can to before described embodiment make an amendment or be out of shape, and do not deviate from essence and the scope of utility model.
Claims (2)
1. a small-sized three-tower structure molecular-sieve oxygen generator, is characterized in that: comprise three adsorption towers, four gas-holder and magnetic valve group; Described magnetic valve group comprises 9 magnetic valves: the first intake valve, the second intake valve, the 3rd intake valve, the first exhaust gas valve, the second exhaust gas valve, the 3rd exhaust gas valve, the first equalizing valve, the second equalizing valve, the 3rd equalizing valve; The inlet end of the first described intake valve, the second intake valve, the 3rd intake valve is connected with compressor outlet side; The outlet side of the first described intake valve is connected with the inlet end of the inlet end of the first adsorption tower and the first exhaust gas valve; The outlet side of the second described intake valve is connected with the inlet end of the inlet end of the second adsorption tower and the second exhaust gas valve; The outlet side of the 3rd described intake valve is connected with the inlet end of the inlet end of the 3rd adsorption tower and the 3rd exhaust gas valve; Exhaust noise silencing system is all accessed in the air outlet of the first described exhaust gas valve, the second exhaust gas valve and the 3rd exhaust gas valve; The first described equalizing valve, the second equalizing valve, the 3rd equalizing valve be the corresponding air outlet accessing the first adsorption tower, the second adsorption tower, the 3rd adsorption tower respectively, the first adsorption tower, the second adsorption tower and the 3rd adsorption tower is cascaded up between two; The air outlet of three described adsorption towers connects gas-holder by check valve.
2. small-sized three-tower structure molecular-sieve oxygen generator as claimed in claim 1, is characterized in that: three described adsorption towers have staving; Described staving is aluminium alloy sieve bucket, and diameter is 86 ~ 90mm; Described gas-holder is aluminium alloy gas-holder; The diameter of the tank body of described gas-holder is 76 ~ 80mm.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420528335.6U CN204111314U (en) | 2014-09-16 | 2014-09-16 | Small-sized three-tower structure molecular-sieve oxygen generator |
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| CN201420528335.6U CN204111314U (en) | 2014-09-16 | 2014-09-16 | Small-sized three-tower structure molecular-sieve oxygen generator |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200307A (en) * | 2017-07-25 | 2017-09-26 | 杨炯良 | A kind of three tower vacuum pressure swing adsorption system for oxygen production and its method for producing oxygen through |
| CN112408331A (en) * | 2020-11-16 | 2021-02-26 | 山东尚健医疗科技有限公司 | Three-tower PSA oxygenerator |
| CN112408330A (en) * | 2020-11-16 | 2021-02-26 | 山东尚健医疗科技有限公司 | Oxygenerator atmospheric pressure balancing unit and use its oxygenerator |
-
2014
- 2014-09-16 CN CN201420528335.6U patent/CN204111314U/en active Active
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107200307A (en) * | 2017-07-25 | 2017-09-26 | 杨炯良 | A kind of three tower vacuum pressure swing adsorption system for oxygen production and its method for producing oxygen through |
| CN107200307B (en) * | 2017-07-25 | 2023-07-04 | 杨炯良 | Three-tower vacuum pressure swing adsorption oxygen generation system and oxygen generation method thereof |
| CN112408331A (en) * | 2020-11-16 | 2021-02-26 | 山东尚健医疗科技有限公司 | Three-tower PSA oxygenerator |
| CN112408330A (en) * | 2020-11-16 | 2021-02-26 | 山东尚健医疗科技有限公司 | Oxygenerator atmospheric pressure balancing unit and use its oxygenerator |
| CN112408331B (en) * | 2020-11-16 | 2022-11-08 | 山东尚健医疗科技有限公司 | Three-tower PSA oxygenerator |
| CN112408330B (en) * | 2020-11-16 | 2022-12-02 | 山东尚健医疗科技有限公司 | Oxygenerator air pressure balancing unit and use its oxygenerator |
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