CN103920366B - Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator - Google Patents
Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator Download PDFInfo
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- CN103920366B CN103920366B CN201410193438.6A CN201410193438A CN103920366B CN 103920366 B CN103920366 B CN 103920366B CN 201410193438 A CN201410193438 A CN 201410193438A CN 103920366 B CN103920366 B CN 103920366B
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 22
- 238000000926 separation method Methods 0.000 title claims abstract description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 242
- 229910052757 nitrogen Inorganic materials 0.000 claims abstract description 121
- 239000002808 molecular sieve Substances 0.000 claims abstract description 118
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 118
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims abstract description 79
- 239000001301 oxygen Substances 0.000 claims abstract description 79
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 79
- 230000007704 transition Effects 0.000 claims abstract description 53
- 230000000740 bleeding effect Effects 0.000 claims description 21
- 239000007789 gas Substances 0.000 claims description 17
- 238000010521 absorption reaction Methods 0.000 claims description 7
- 230000004888 barrier function Effects 0.000 claims description 6
- 230000005298 paramagnetic effect Effects 0.000 claims description 3
- 238000007790 scraping Methods 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 3
- 238000002955 isolation Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 230000015556 catabolic process Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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- Separation Of Gases By Adsorption (AREA)
Abstract
Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator, comprises the air inlet district of left end, the molecular sieve zone of centre and the oxygen enrichment collecting region of right-hand member; It is characterized in that: air inlet district comprises air intake pipe, blowback air outlet, airscoop shroud and air inlet distribution plate, gives vent to anger sector and the transition region that formed between them in air inlet distribution plate is divided into air inlet sector, oxygen enrichment is bled corresponding sector, blowback air; Middle molecular sieve zone comprises molecular sieve drum, driven pulley, motor, driving wheel, molecular sieve drum with cylinder central shaft for symmetry division becomes the fan section that multiple shape, size are identical, segment angle is Ω, all there is the sheet rubber the same with fan-shaped demarcation strip width at each fan-shaped demarcation strip two ends, and the length of sheet rubber is 5mm ~ 30mm; Oxygen enrichment collecting region comprises rich nitrogen blast pipe, blowback air inlet tube, oxygen enrichment exhaust tube, air leaving cover and distribution plate of giving vent to anger, and distribution plate of giving vent to anger is divided into oxygen enrichment to bleed sector, rich nitrogen exhaust sector, blowback air air inlet sector and the transition region that formed between them.
Description
Technical field
The present invention relates to the separation rotating cylinder in Vacuum Pressure Swing Adsorption separator, be applicable to all Vacuum Pressure Swing Adsorption separators, belong to gas separation technique field.
Background technology
Vacuum Pressure Swing Adsorption isolation technics for producing oxygen rich gas is very ripe, but this technology has a shortcoming, that is exactly that it needs multiple reversal valve, and the commutating frequency of reversal valve is very high, substantially be commutate once for tens seconds, for the commutation work of such high frequency time, the domestic neither one producer that goes back can produce quality reversal valve really up to the mark, external reversal valve also unavoidably often goes wrong, that is the weakness of Vacuum Pressure Swing Adsorption isolation technics is reversal valve, but existing commercially also do not have a kind of Vacuum Pressure Swing Adsorption isolation technics that can not use reversal valve.
Summary of the invention
The object of this invention is to provide a kind of separation rotating cylinder do not used in the Vacuum Pressure Swing Adsorption separator of reversal valve.
Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator, comprises the P district of air inlet district of left end, the Q district, molecular sieve zone of centre and the oxygen enrichment collecting region Zone R of right-hand member; It is characterized in that:
1, P district of air inlet district comprises air intake pipe, blowback air outlet, airscoop shroud and air inlet distribution plate, the transition region that air inlet distribution plate is divided into air inlet sector, rich nitrogen bleeds corresponding sector, blowback air gives vent to anger sector and formed between them, air inlet sector is connected with air intake pipe, but with other separate from, blowback air sector of giving vent to anger is connected with blowback air outlet, but separate from, rich nitrogen corresponding sector of bleeding with other to be independent blind area, all to isolate with other districts; The segment angle of air inlet sector is, the bleed segment angle of corresponding sector of rich nitrogen is β, the give vent to anger segment angle of sector of blowback air is α, the bleed segment angle of the transition region between corresponding sector of air inlet sector and rich nitrogen is δ, the give vent to anger segment angle of transition region of sector of air inlet sector and blowback air is δ, and rich nitrogen the give vent to anger segment angle of transition region of sector of corresponding sector and blowback air of bleeding is δ.
2, middle Q district, molecular sieve zone comprises molecular sieve drum, driven pulley, motor, driving wheel, molecular sieve drum with cylinder central shaft for symmetry division becomes multiple shape, the fan section that size is identical, segment angle is Ω, all there is the sheet rubber the same with fan-shaped demarcation strip width at each fan-shaped demarcation strip two ends, the length of sheet rubber is 5mm ~ 30mm, the length of the sheet rubber of molecular sieve drum left end and the air inlet sector of left end, rich nitrogen is bled corresponding sector, give vent to anger sector and the transition region that formed between them of blowback air matches, and the gas barrier in Neng Shige district and other regions can not be entered, the length of the sheet rubber of molecular sieve drum right-hand member and the rich nitrogen of right-hand member are bled sector, oxygen rich exhaust sector, blowback air air inlet sector and the transition region formed between them match, and the gas barrier in Neng Shige district and other regions can not be entered, there is an inclined-plane side, front, direction that sheet rubber paramagnetic molecule screen drum rotates, make the air inlet sector of its its left end of swiping, rich nitrogen is bled corresponding sector, blowback air give vent to anger the end face of sector and the transition region that formed between them time, or each rich nitrogen of its right-hand member of swiping is bled sector, oxygen rich exhaust sector, during the end face of blowback air air inlet sector and the transition region that formed between them, the contact surface of sheet rubber and these sector end faces is larger, thus can form with these sector end faces the scraping more sealed, and then can the air being blown into lower pressure be met, the sealing of the blowback air of lower pressure and the vacuumized conditions compared with rough vacuum, molecular sieve drum can rotate around molecular sieve drum central shaft, a driven pulley is had immediately below on the downside of molecular sieve drum, driven pulley is spool gear, there are the gear teeth driven pulley periphery, there are the gear teeth molecular sieve drum periphery, the gear teeth of molecular sieve drum periphery match with the gear teeth of driven pulley periphery and are meshed, the gear teeth of driven pulley periphery are meshed with the gear teeth of driving wheel again, driving wheel is connected with motor shaft, rotated by driven by motor driving wheel, driving wheel drives driven pulley to rotate, and driven pulley drives molecular sieve drum to rotate again, and the angular speed that molecular sieve drum rotates is Vo/ second, there is multiple uniform bogie wheel the central shaft both sides of driven pulley, the weight of multiple bogie wheel supporting molecular screen drum.
3, oxygen enrichment collecting region Zone R comprises oxygen rich exhaust pipe, blowback air inlet tube, rich nitrogen exhaust tube, air leaving cover and distribution plate of giving vent to anger, distribution plate of giving vent to anger is divided into rich nitrogen to bleed sector, oxygen rich exhaust sector, blowback air air inlet sector and the transition region that formed between them, rich nitrogen sector of bleeding is connected with rich nitrogen exhaust tube, but with other separate from, oxygen rich exhaust sector is connected with oxygen rich exhaust pipe, but with other separate from, blowback air air inlet sector is connected with blowback air inlet tube, but with other separate from; The segment angle of oxygen rich exhaust sector is, the bleed segment angle of sector of rich nitrogen is β, the segment angle of blowback air air inlet sector is α, the bleed segment angle of transition region of sector and oxygen rich exhaust sector of rich nitrogen is δ, the segment angle of the transition region of oxygen rich exhaust sector and blowback air air inlet sector is δ, and the bleed segment angle of transition region of sector and blowback air air inlet sector of rich nitrogen is δ.
4, rich nitrogen bleed the segment angle β of sector/molecular sieve drum angular velocity of rotation Vo/ second=time β/Vo(second of molecular sieve adsorption nitrogen in same fan section), the segment angle of oxygen rich exhaust sector/molecular sieve drum angular velocity of rotation Vo/ second=molecular sieve in same fan section resolve nitrogen time/Vo(second), the fan angle alpha of blowback air air inlet sector/molecular sieve drum angular velocity of rotation Vo/ second=molecular sieve blowback time α/Vo(second in same fan section), according to the characteristic determination parameter beta/Vo of molecular sieve, / Vo, α/Vo, with the concentration parameter of the oxygen rich gas that customer requirement is produced, calculate molecular sieve drum angular velocity of rotation Vo/ second, with the segment angle of oxygen rich exhaust sector, rich nitrogen is bled the segment angle β of sector, the fan angle alpha of blowback air air inlet sector, the rich nitrogen segment angle δ of transition region of sector and oxygen rich exhaust sector, the segment angle δ of transition region of oxygen rich exhaust sector and blowback air air inlet sector, the rich nitrogen pass of molecular sieve fan section segment angle Ω in the segment angle δ of transition region of sector and blowback air air inlet sector, these three δ angles and molecular sieve drum of bleeding of bleeding is: 2 Ω≤δ.
5, the air inlet sector of air inlet distribution plate is relative with the oxygen rich exhaust sector position of distribution plate of giving vent to anger, make the air with certain pressure be blown into from air intake pipe, after entering into air inlet sector, the molecular sieve of the molecular sieve sector through being connected with air inlet sector contacts, most nitrogen are wherein by after molecular sieve adsorption, remaining oxygen rich gas enters into oxygen rich exhaust pipe from oxygen rich exhaust sector, then the device using oxygen rich gas is transported to, the time in the region of molecular sieve sector between air inlet sector and oxygen rich exhaust sector in each fan molecular sieve drum, be the time of the molecular sieve adsorption nitrogen in this sector, the rich nitrogen of air inlet distribution plate corresponding sector of bleeding is relative with the rich nitrogen exhaust fan zone position of distribution plate of giving vent to anger, make from the area of space between the air inlet sector and oxygen rich exhaust sector of absorption nitrogen, rotate to rich nitrogen bleed area of space that corresponding sector and rich nitrogen bleeds between sector time, the nitrogen of absorption in molecular sieve drum to be bled sector through rich nitrogen by vavuum pump, extract out from rich nitrogen exhaust tube, in each fan molecular sieve drum, bleed time in the region between sector through bleed corresponding sector and rich nitrogen of rich nitrogen in molecular sieve sector, the time of nitrogen resolved by the molecular sieve be in this sector, the blowback air of air inlet distribution plate sector of giving vent to anger is relative with the blowback air supply fan zone position of distribution plate of giving vent to anger, make from rich nitrogen bleed corresponding sector and rich nitrogen bleed area of space between sector, rotate to area of space that blowback air gives vent to anger between sector and blowback air air inlet sector time, molecular sieve after resolved is by blowback, and in each fan molecular sieve drum, give vent to anger the time in the region between sector and blowback air air inlet sector, the molecular sieve blowback time be in this sector through blowback air in molecular sieve sector.
The present invention compared with prior art has the following advantages:
1. do not use reversal valve to not only reduce and account for the investment cost of total cost of equipment than the reversal valve more than 30%, but also the breakdown maintenance reduced because of reversal valve and the loss brought that stops production.
2. do not have the exchange of two towers to substitute absorption and resolve the frequent switching of nitrogen, system equipment volume also being reduced to some extent, thus reduces floor space.
Accompanying drawing explanation
Fig. 1 is the cross-sectional view of the embodiment of the present invention;
Fig. 2 is AA generalized section embodiment illustrated in fig. 1;
Fig. 3 is BB generalized section embodiment illustrated in fig. 1;
Fig. 4 is CC generalized section embodiment illustrated in fig. 1.
In Fig. 1-4: 1, air intake pipe 2, blowback air outlet 3, airscoop shroud 4, air inlet distribution plate 5, molecular sieve drum 6, driven pulley 7, motor 8, driving wheel 9, to give vent to anger distribution plate 10, air leaving cover 11, oxygen rich exhaust pipe 12, blowback air inlet tube 13, rich nitrogen exhaust tube 14, air inlet sector and rich nitrogen are bled the transition region 15 between corresponding sector, rich nitrogen is bled corresponding sector 16, air inlet sector 17, air inlet distribution plate central shaft 18, air inlet sector and blowback air are given vent to anger the transition region 19 of sector, blowback air is given vent to anger sector 20, bleed corresponding sector and blowback air of rich nitrogen is given vent to anger the transition region 21 of sector, molecular sieve sector 22, bogie wheel 23, drive sprocket axle 24, molecular sieve drum central shaft 25, rich nitrogen is bled the transition region 26 of sector and oxygen rich exhaust sector, rich nitrogen is bled sector 27, oxygen rich exhaust sector 28, to give vent to anger distribution plate central shaft 29, the transition region 30 of oxygen rich exhaust sector and blowback air air inlet sector, blowback air air inlet sector 31, rich nitrogen is bled the transition region of sector and blowback air air inlet sector.
Detailed description of the invention
In the embodiment shown in Fig. 1-4: the separation rotating cylinder in Vacuum Pressure Swing Adsorption separator, comprise the P district of air inlet district of left end, the Q district, molecular sieve zone of centre and the oxygen enrichment collecting region Zone R of right-hand member; It is characterized in that: P district of air inlet district comprises air intake pipe 1, blowback air outlet 2, airscoop shroud 3 and air inlet distribution plate 4, give vent to anger sector 19 and the transition region that formed between them in air inlet distribution plate 4 is divided into air inlet sector 16, rich nitrogen is bled corresponding sector 15, blowback air, air inlet sector 16 is connected with air intake pipe 1, but with other separate from, blowback air sector 19 of giving vent to anger is connected with blowback air outlet 2, but with other separate from, rich nitrogen corresponding sector 15 of bleeding is independent blind area, all isolates with other districts; The segment angle of air inlet sector 16 is, the bleed segment angle of corresponding sector 15 of rich nitrogen is β, the give vent to anger segment angle of sector 19 of blowback air is α, the segment angle of the transition region that air inlet sector 16 and rich nitrogen are bled between corresponding sector 15 is δ, the give vent to anger segment angle of transition region of sector 19 of air inlet sector 16 and blowback air is δ, and rich nitrogen the give vent to anger segment angle of transition region of sector 19 of corresponding sector 15 and blowback air of bleeding is δ.
Middle Q district, molecular sieve zone comprises molecular sieve drum 5, driven pulley 6, motor 7, driving wheel 8, molecular sieve drum 5 with cylinder central shaft for symmetry division becomes multiple shape, the fan section that size is identical, segment angle is Ω, all there is the sheet rubber the same with fan-shaped demarcation strip width at each fan-shaped demarcation strip two ends, the length of sheet rubber is 5mm ~ 30mm, the length of the sheet rubber of molecular sieve drum 5 left end and the air inlet sector 16 of left end, rich nitrogen is bled corresponding sector 15, give vent to anger sector 19 and the transition region that formed between them of blowback air matches, and the gas barrier in Neng Shige district and other regions can not be entered, the length of the sheet rubber of molecular sieve drum 5 right-hand member and the rich nitrogen of right-hand member are bled sector 26, oxygen rich exhaust sector 27, blowback air air inlet sector 30 and the transition region formed between them match, and the gas barrier in Neng Shige district and other regions can not be entered, there is an inclined-plane side, front, direction that sheet rubber paramagnetic molecule screen drum 5 rotates, make the air inlet sector 16 of its its left end of swiping, rich nitrogen is bled corresponding sector 15, blowback air give vent to anger the end face of sector 19 and the transition region that formed between them time, or each rich nitrogen of its right-hand member of swiping is bled sector 26, oxygen rich exhaust sector 27, during the end face of blowback air air inlet sector 30 and the transition region that formed between them, the contact surface of sheet rubber and these sector end faces is larger, thus can form with these sector end faces the scraping more sealed, and then can the air being blown into lower pressure be met, the sealing of the blowback air of lower pressure and the vacuumized conditions compared with rough vacuum, molecular sieve drum 5 can rotate around molecular sieve drum 5 central shaft, a driven pulley 6 is had immediately below on the downside of molecular sieve drum 5, driven pulley 6 is spool gear, there are the gear teeth driven pulley 6 periphery, there are the gear teeth molecular sieve drum 5 periphery, the gear teeth of molecular sieve drum 5 periphery match with the gear teeth of driven pulley 6 periphery and are meshed, the gear teeth of driven pulley 6 periphery are meshed with the gear teeth of driving wheel 8 again, driving wheel 8 is connected with motor 7 axle, driving wheel 8 is driven to rotate by motor 7, driving wheel 8 drives driven pulley 6 to rotate, and driven pulley 6 drives molecular sieve drum 5 to rotate again, and the angular speed that molecular sieve drum 5 rotates is Vo/ second, there is multiple uniform bogie wheel 22 the central shaft both sides of driven pulley 6, the weight of multiple bogie wheel 22 supporting molecular screen drum 5.
Oxygen enrichment collecting region Zone R comprises oxygen rich exhaust pipe 11, blowback air inlet tube 12, rich nitrogen exhaust tube 13, air leaving cover 10 and distribution plate 9 of giving vent to anger, distribution plate 9 of giving vent to anger is divided into rich nitrogen to bleed sector 26, oxygen rich exhaust sector 27, blowback air air inlet sector 30 and the transition region that formed between them, rich nitrogen sector 26 of bleeding is connected with rich nitrogen exhaust tube 13, but with other separate from, oxygen rich exhaust sector 27 is connected with oxygen rich exhaust pipe 11, but with other separate from, blowback air air inlet sector 30 is connected with blowback air inlet tube 12, but with other separate from; The segment angle of oxygen rich exhaust sector 27 is, the bleed segment angle of sector 26 of rich nitrogen is β, the segment angle of blowback air air inlet sector 30 is α, rich nitrogen sector 26 of bleeding is δ with the segment angle of the transition region of oxygen rich exhaust sector 27, oxygen rich exhaust sector 27 is δ with the segment angle of the transition region of blowback air air inlet sector 30, and rich nitrogen sector 26 of bleeding is δ with the segment angle of the transition region of blowback air air inlet sector 30.
Rich nitrogen bleed sector 26 segment angle β/molecular sieve drum 5 angular velocity of rotation Vo/ second=time β/Vo(second of molecular sieve adsorption nitrogen in same fan section), oxygen rich exhaust sector 27 segment angle/molecular sieve drum 5 angular velocity of rotation Vo/ second=molecular sieve in same fan section resolve nitrogen time/Vo(second), blowback air air inlet sector 30 fan angle alpha/molecular sieve drum 5 angular velocity of rotation Vo/ second=molecular sieve blowback time α/Vo(second in same fan section), according to the characteristic determination parameter beta/Vo of molecular sieve, / Vo, α/Vo, with the concentration parameter of the oxygen rich gas that customer requirement is produced, calculate molecular sieve drum 5 angular velocity of rotation Vo/ second, with the segment angle of oxygen rich exhaust sector 27, rich nitrogen is bled the segment angle β of sector 26, the fan angle alpha of blowback air air inlet sector 30, the rich nitrogen segment angle δ of sector 26 and the transition region of oxygen rich exhaust sector 27, oxygen rich exhaust sector 27 and the segment angle δ of the transition region of blowback air air inlet sector 30, the rich nitrogen pass of molecular sieve fan section segment angle Ω in the segment angle δ of sector 26 and the transition region of blowback air air inlet sector 30, these three δ angles and molecular sieve drum 5 of bleeding of bleeding is: 2 Ω≤δ.
The air inlet sector 16 of air inlet distribution plate 4 is relative with the position, oxygen rich exhaust sector 27 of distribution plate 9 of giving vent to anger, make the air with certain pressure be blown into from air intake pipe 1, after entering into air inlet sector 16, the molecular sieve of the molecular sieve sector through being connected with air inlet sector 16 contacts, most nitrogen are wherein by after molecular sieve adsorption, remaining oxygen rich gas enters into oxygen rich exhaust pipe 11 from oxygen rich exhaust sector 27, then the device using oxygen rich gas is transported to, the time in the region of molecular sieve sector between air inlet sector 16 and oxygen rich exhaust sector 27 in each fan molecular sieve drum 5, be the time of the molecular sieve adsorption nitrogen in this sector, the rich nitrogen of air inlet distribution plate 4 corresponding sector 15 and the rich nitrogen of distribution plate 9 of giving vent to anger position, sector 26 of bleeding of bleeding is relative, make from the area of space between the air inlet sector 16 and oxygen rich exhaust sector 27 of absorption nitrogen, rotate to rich nitrogen bleed area of space that corresponding sector 15 and rich nitrogen bleeds between sector 26 time, the nitrogen of absorption in molecular sieve drum 5 to be bled sector 26 through rich nitrogen by vavuum pump, extract out from rich nitrogen exhaust tube 13, in each fan molecular sieve drum 5, bleed time in the region between sector 26 through bleed corresponding sector 15 and rich nitrogen of rich nitrogen in molecular sieve sector, the time of nitrogen resolved by the molecular sieve be in this sector, the blowback air of air inlet distribution plate 4 sector 19 of giving vent to anger is relative with the position, blowback air air inlet sector 30 of distribution plate 9 of giving vent to anger, make from rich nitrogen bleed corresponding sector 15 and rich nitrogen bleed area of space between sector 26, rotate to area of space that blowback air gives vent to anger between sector 19 and blowback air air inlet sector 30 time, molecular sieve after resolved is by blowback, and in each fan molecular sieve drum 5, give vent to anger the time in the region between sector 19 and blowback air air inlet sector 30, the molecular sieve blowback time be in this sector through blowback air in molecular sieve sector.
Claims (2)
1. the separation rotating cylinder in Vacuum Pressure Swing Adsorption separator, comprises the P district of air inlet district of left end, the Q district, molecular sieve zone of centre and the oxygen enrichment collecting region Zone R of right-hand member, it is characterized in that: P district of air inlet district comprises air intake pipe (1), blowback air outlet (2), airscoop shroud (3) and air inlet distribution plate (4), air inlet distribution plate (4) is divided into air inlet sector (16), rich nitrogen is bled corresponding sector (15), blowback air is given vent to anger sector (19) and the transition region that formed between them, air inlet sector (16) is connected with air intake pipe (1), but with other separate from, blowback air sector (19) of giving vent to anger is connected with blowback air outlet (2), but with other separate from, rich nitrogen bleeds corresponding sector (15) for independent blind area, all isolate with other districts, the segment angle of air inlet sector (16) is, the bleed segment angle of corresponding sector (15) of rich nitrogen is β, the give vent to anger segment angle of sector (19) of blowback air is α, the segment angle of the transition region that air inlet sector (16) and rich nitrogen are bled between corresponding sector (15) is δ, the give vent to anger segment angle of transition region of sector (19) of air inlet sector (16) and blowback air is δ, and rich nitrogen the give vent to anger segment angle of transition region of sector (19) of corresponding sector (15) and blowback air of bleeding is δ, middle Q district, molecular sieve zone comprises molecular sieve drum (5), driven pulley (6), motor (7), driving wheel (8), molecular sieve drum (5) with cylinder central shaft for symmetry division becomes multiple shape, the fan section that size is identical, segment angle is Ω, all there is the sheet rubber the same with fan-shaped demarcation strip width at each fan-shaped demarcation strip two ends, the length of sheet rubber is 5mm ~ 30mm, the length of the sheet rubber of molecular sieve drum (5) left end and the air inlet sector (16) of left end, rich nitrogen is bled corresponding sector (15), give vent to anger sector (19) and the transition region that formed between them of blowback air matches, and the gas barrier in Neng Shige district and other regions can not be entered, the length of the sheet rubber of molecular sieve drum (5) right-hand member and the rich nitrogen of right-hand member are bled sector (26), oxygen rich exhaust sector (27), blowback air air inlet sector (30) and the transition region formed between them match, and the gas barrier in Neng Shige district and other regions can not be entered, there is an inclined-plane side, front, direction that sheet rubber paramagnetic molecule screen drum (5) rotates, make the air inlet sector (16) of its its left end of swiping, rich nitrogen is bled corresponding sector (15), blowback air give vent to anger the end face of sector (19) and the transition region that formed between them time, or each rich nitrogen of its right-hand member of swiping is bled sector (26), oxygen rich exhaust sector (27), during the end face of blowback air air inlet sector (30) and the transition region that formed between them, the contact surface of sheet rubber and these sector end faces is larger, thus can form with these sector end faces the scraping more sealed, and then can the air being blown into lower pressure be met, the sealing of the blowback air of lower pressure and the vacuumized conditions compared with rough vacuum, molecular sieve drum (5) can rotate around molecular sieve drum (5) central shaft, molecular sieve drum (5) has a driven pulley (6) immediately below downside, driven pulley (6) is spool gear, there are the gear teeth driven pulley (6) periphery, there are the gear teeth molecular sieve drum (5) periphery, the gear teeth of molecular sieve drum (5) periphery match with the gear teeth of driven pulley (6) periphery and are meshed, the gear teeth of driven pulley (6) periphery are meshed with the gear teeth of driving wheel (8) again, driving wheel (8) is connected with motor (7) axle, driving wheel (8) is driven to rotate by motor (7), driving wheel (8) drives driven pulley (6) to rotate, driven pulley (6) drives molecular sieve drum (5) to rotate again, the angular speed that molecular sieve drum (5) rotates is Vo/ second, there is multiple uniform bogie wheel (22) the central shaft both sides of driven pulley (6), the weight of multiple bogie wheel (22) supporting molecular screen drum (5), oxygen enrichment collecting region Zone R comprises oxygen rich exhaust pipe (11), blowback air inlet tube (12), rich nitrogen exhaust tube (13), air leaving cover (10) and distribution plate of giving vent to anger (9), distribution plate (9) of giving vent to anger is divided into rich nitrogen to bleed sector (26), oxygen rich exhaust sector (27), blowback air air inlet sector (30) and the transition region formed between them, rich nitrogen sector (26) of bleeding is connected with rich nitrogen exhaust tube (13), but with other separate from, oxygen rich exhaust sector (27) is connected with oxygen rich exhaust pipe (11), but with other separate from, blowback air air inlet sector (30) is connected with blowback air inlet tube (12), but with other separate from, the segment angle of oxygen rich exhaust sector (27) is, the bleed segment angle of sector (26) of rich nitrogen is β, the segment angle of blowback air air inlet sector (30) is α, rich nitrogen sector (26) of bleeding is δ with the segment angle of the transition region of oxygen rich exhaust sector (27), the segment angle of the transition region of oxygen rich exhaust sector (27) and blowback air air inlet sector (30) is δ, and rich nitrogen sector (26) of bleeding is δ with the segment angle of the transition region of blowback air air inlet sector (30), rich nitrogen bleed sector (26) segment angle β/molecular sieve drum (5) angular velocity of rotation Vo/ second=time β/Vo(second of molecular sieve adsorption nitrogen in same fan section), oxygen rich exhaust sector (27) segment angle/molecular sieve drum (5) angular velocity of rotation Vo/ second=molecular sieve in same fan section resolve nitrogen time/Vo(second), blowback air air inlet sector (30) fan angle alpha/molecular sieve drum (5) angular velocity of rotation Vo/ second=molecular sieve blowback time α/Vo(second in same fan section), according to the characteristic determination parameter beta/Vo of molecular sieve, / Vo, α/Vo, with the concentration parameter of the oxygen rich gas that customer requirement is produced, calculate molecular sieve drum (5) angular velocity of rotation Vo/ second, with the segment angle of oxygen rich exhaust sector (27), rich nitrogen is bled the segment angle β of sector (26), the fan angle alpha of blowback air air inlet sector (30), rich nitrogen bleed the segment angle δ of sector (26) and the transition region of oxygen rich exhaust sector (27), oxygen rich exhaust sector (27) and the segment angle δ of the transition region of blowback air air inlet sector (30), rich nitrogen bleed the segment angle δ of sector (26) and the transition region of blowback air air inlet sector (30), these three δ angles and molecular sieve drum (5) interior molecular sieve fan section segment angle Ω pass be: 2 Ω≤δ.
2. the separation rotating cylinder in Vacuum Pressure Swing Adsorption separator as claimed in claim 1, it is characterized in that: the air inlet sector (16) of air inlet distribution plate (4) is relative with oxygen rich exhaust sector (27) position of distribution plate of giving vent to anger (9), make the air with certain pressure be blown into from air intake pipe (1), after entering into air inlet sector (16), the molecular sieve of the molecular sieve sector through being connected with air inlet sector (16) contacts, most nitrogen are wherein by after molecular sieve adsorption, remaining oxygen rich gas enters into oxygen rich exhaust pipe (11) from oxygen rich exhaust sector (27), then the device using oxygen rich gas is transported to, the time in each the fan region of molecular sieve drum (5) interior molecular sieve sector between air inlet sector (16) and oxygen rich exhaust sector (27), be the time of the molecular sieve adsorption nitrogen in this sector, the rich nitrogen of air inlet distribution plate (4) corresponding sector (15) and the rich nitrogen of distribution plate of giving vent to anger (9) sector (26) position of bleeding of bleeding is relative, make from the area of space between the air inlet sector (16) and oxygen rich exhaust sector (27) of absorption nitrogen, rotate to rich nitrogen bleed area of space that corresponding sector (15) and rich nitrogen bleeds between sector (26) time, the nitrogen of absorption in molecular sieve drum (5) to be bled sector (26) through rich nitrogen by vavuum pump, extract out from rich nitrogen exhaust tube (13), bleed time in the region between sector (26) through bleed corresponding sector (15) and rich nitrogen of rich nitrogen in each fan molecular sieve drum (5) interior molecular sieve sector, the time of nitrogen resolved by the molecular sieve be in this sector, the blowback air of air inlet distribution plate (4) sector (19) of giving vent to anger is relative with blowback air air inlet sector (30) position of distribution plate of giving vent to anger (9), make to bleed the area of space that corresponding sector (15) and rich nitrogen bleeds between sector (26) from rich nitrogen, when rotating to the area of space that blowback air gives vent to anger between sector (19) and blowback air air inlet sector (30), molecular sieve after resolved is by blowback, give vent to anger through blowback air time in the region between sector (19) and blowback air air inlet sector (30) in each fan molecular sieve drum (5) interior molecular sieve sector, be the molecular sieve blowback time in this sector.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410193438.6A CN103920366B (en) | 2014-05-09 | 2014-05-09 | Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410193438.6A CN103920366B (en) | 2014-05-09 | 2014-05-09 | Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator |
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| CN103920366A CN103920366A (en) | 2014-07-16 |
| CN103920366B true CN103920366B (en) | 2016-02-17 |
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| CN201410193438.6A Expired - Fee Related CN103920366B (en) | 2014-05-09 | 2014-05-09 | Separation rotating cylinder in Vacuum Pressure Swing Adsorption separator |
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| CN104477851B (en) * | 2015-01-01 | 2016-03-02 | 魏伯卿 | Vacuum pressure swing adsorption device for oxygen production |
| CN107530616B (en) * | 2015-05-28 | 2019-08-20 | 东洋纺株式会社 | Absorbing treatment device |
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| CN203529931U (en) * | 2013-10-11 | 2014-04-09 | 上海穗杉实业有限公司 | Device for preparing oxygen from air |
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2014
- 2014-05-09 CN CN201410193438.6A patent/CN103920366B/en not_active Expired - Fee Related
Patent Citations (7)
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| US5759242A (en) * | 1996-07-23 | 1998-06-02 | Praxair Technology, Inc. | Radial bed vaccum/pressure swing adsorber vessel |
| CN2290393Y (en) * | 1997-04-02 | 1998-09-09 | 温州瑞气机电有限公司 | Horizontal pressure changing absorbing gas packed column |
| CN2612443Y (en) * | 2003-03-25 | 2004-04-21 | 汤涛林 | Pressure adjustable adsorption device |
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| CN201120246Y (en) * | 2007-10-12 | 2008-09-24 | 中国船舶重工集团公司第七一八研究所 | Gas purification adsorber with pressure swing adsorption |
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| CN203529931U (en) * | 2013-10-11 | 2014-04-09 | 上海穗杉实业有限公司 | Device for preparing oxygen from air |
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| CN103920366A (en) | 2014-07-16 |
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