CN201183750Y - Two-stage adsorption type oxygen generating system - Google Patents
Two-stage adsorption type oxygen generating system Download PDFInfo
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- CN201183750Y CN201183750Y CNU2008200030613U CN200820003061U CN201183750Y CN 201183750 Y CN201183750 Y CN 201183750Y CN U2008200030613 U CNU2008200030613 U CN U2008200030613U CN 200820003061 U CN200820003061 U CN 200820003061U CN 201183750 Y CN201183750 Y CN 201183750Y
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- molecular sieve
- oxygen
- valve
- adsorbing tower
- tower
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- Oxygen, Ozone, And Oxides In General (AREA)
Abstract
The utility model discloses a second-class adsorption type oxygen generation system which adopts the adsorption tower of a third molecular sieve and the adsorption tower of a fourth molecular sieve as the main second-class oxygen generation equipment to further purify the oxygen generated from the first-class oxygen generation equipment and obtain finished gas with a higher oxygen content. In addition, the second-class adsorption type oxygen generation system adopts a vacuum pump to abstract exhaust gas from the adsorption tower of the first molecular sieve and the adsorption tower of the second molecular sieve. Low pressure can be formed in the vacuum, therefore the adsorption tower of each molecular sieve has good desorption effect which helps to improve the working efficiency and the oxygen content of the finished gas. The second-class adsorption type oxygen generation system has the advantages of high efficiency of oxygen generation and high oxygen content of finished gas.
Description
Technical field
The utility model relates to a kind of oxygenerator, especially a kind of double-stage oxygen making system.
Background technology
Traditional molecular sieve adsorption formula oxygenerator generally all is the one-level oxygen making, and its shortcoming is that the oxygen level of finished product gas of the lower and final acquisition of oxygen generation efficiency is lower; In addition, this traditional one-level oxygen making device is in the high altitude localities, and as on the Qinghai-Tibet Platean, its system oxygen effect is very undesirable, can not satisfy user's demand.
The utility model content
The purpose of this utility model provides the higher and higher double-stage oxygen making system of oxygen level finished product gas of a kind of oxygen generation efficiency.
The technical scheme that realizes the utility model purpose is: a kind of double-stage oxygen making system, comprise compressor, the 5th check valve that is communicated with compressor, one-level reversing valve, first adsorbing tower with molecular sieve and second adsorbing tower with molecular sieve, the air outlet of described compressor is communicated with the inlet mouth of the 5th check valve, and the air outlet of described the 5th check valve is communicated with the one-level reversing valve; Its constructional feature is: also comprise vacuum pump, first check valve, second check valve, middle gas-holder, secondary reversing valve, type three-molecular screen alternating adsorption tower and the 4th adsorbing tower with molecular sieve, the 3rd check valve, the 4th check valve, snubber, oxygen storage tank and flowrate control valve; Described one-level reversing valve comprises first magnetic valve, second magnetic valve, the 3rd magnetic valve and the 4th magnetic valve, and described secondary reversing valve comprises the 5th magnetic valve, the 6th magnetic valve, the 7th magnetic valve and the 8th magnetic valve;
Between the air outlet that described first magnetic valve serial connection is arranged on the 5th check valve and the air inlet of first adsorbing tower with molecular sieve, described the 3rd magnetic valve is connected in series between the air inlet of the air outlet that is arranged on the 5th check valve and second adsorbing tower with molecular sieve; Described second magnetic valve serial connection is arranged between the waste gas outlet and vacuum pump of first adsorbing tower with molecular sieve, and described the 4th magnetic valve serial connection is arranged between the waste gas outlet and vacuum pump of second adsorbing tower with molecular sieve;
In the middle of described the 6th magnetic valve serial connection is arranged between the inlet mouth of the oxygen air outlet of gas-holder and type three-molecular screen alternating adsorption tower, described the 7th magnetic valve serial connection is arranged between the inlet mouth of the oxygen air outlet of centre gas-holder and the 4th adsorbing tower with molecular sieve; Between the oxygen outlet that described the 5th magnetic valve serial connection is arranged on second adsorbing tower with molecular sieve and the inlet mouth of type three-molecular screen alternating adsorption tower, described the 8th magnetic valve is connected in series between the inlet mouth of the oxygen outlet that is arranged on first adsorbing tower with molecular sieve and the 4th adsorbing tower with molecular sieve;
Each oxygen outlet of described first adsorbing tower with molecular sieve and second adsorbing tower with molecular sieve and the oxygen inlet mouth of middle gas-holder are communicated with, described first check valve serial connection is arranged between first adsorbing tower with molecular sieve and the middle gas-holder, and described second check valve serial connection is arranged between second adsorbing tower with molecular sieve and the middle gas-holder; Described the 3rd check valve serial connection is arranged between the inlet mouth of the oxygen outlet of type three-molecular screen alternating adsorption tower and snubber, and described the 4th check valve serial connection is arranged between the inlet mouth of the oxygen outlet of the 4th adsorbing tower with molecular sieve and snubber.
Also be provided with the control valve that is used to close this oxygen air outlet between the oxygen air outlet of gas-holder and the secondary reversing valve in the middle of described.
In the middle of described control valve is serially connected between the inlet mouth of the oxygen air outlet of gas-holder and the 6th magnetic valve.
Be provided with the one-level variable valve between the oxygen outlet of the oxygen outlet of described first adsorbing tower with molecular sieve and second adsorbing tower with molecular sieve; Also be provided with the secondary variable valve between the oxygen outlet of the oxygen outlet of described type three-molecular screen alternating adsorption tower and the 4th adsorbing tower with molecular sieve.
This system also comprises the humidification pot that is used for increasing the oxygen moisture content.。
The utlity model has positive effect: (1) the utility model is owing to adopted type three-molecular screen alternating adsorption tower and the 4th adsorbing tower with molecular sieve as main secondary oxygen generating plant, be used for the oxygen that the one-level oxygen generating plant obtains is further purified, thereby obtain the higher finished product gas of oxygen level; In addition, the utility model has adopted vacuum pump to be used for extracting waste gas from first adsorbing tower with molecular sieve and second adsorbing tower with molecular sieve, because vacuum pump can form lower pressure, so the desorption effect of each adsorbing tower with molecular sieve is better, be convenient to increase work efficiency, also help to improve simultaneously the oxygen content of finished product gas.(2) the utility model adopts four two magnetic valves as the one-level reversing valve, also adopt four two magnetic valves as the secondary reversing valve in addition, compare as reversing valve with traditional employing two-position five-way valve, have simple in structure, reliability is high, the advantage being convenient to keep in repair.
Description of drawings
Fig. 1 is a kind of structural representation of first adsorbing tower with molecular sieve in the utility model when being in the adsorption of nitrogen gaseity;
Fig. 2 is a kind of structural representation of second molecular sieve in the utility model when being in the adsorption of nitrogen gaseity.
Be labeled as shown in the accompanying drawing: compressor 1, the five check valve 2, one-level reversing valve 3, first magnetic valve, 31, the second magnetic valves, 32, the three magnetic valves 33, the 4th magnetic valve 34, the first adsorbing tower with molecular sieve 41, the second adsorbing tower with molecular sieve 42, type three-molecular screen alternating adsorption tower 43, the four adsorbing tower with molecular sieve 44, vacuum pump 5, first check valve, 61, the second check valves, 62, the three check valves 63, the 4th check valve 64, middle gas-holder 7, secondary reversing valve 8, the 5th magnetic valve 81, the 6th magnetic valve 82, the seven magnetic valves 83, the eight magnetic valves 84, snubber 9, oxygen storage tank 10, flowrate control valve 11, humidification pot 12, oxygen inhaler 13, control valve 14, one-level variable valve 15, secondary variable valve 16.
Embodiment
(embodiment 1)
Fig. 1 and Fig. 2 have shown a kind of embodiment of the present utility model, wherein Fig. 1 is first adsorbing tower with molecular sieve in the utility model a kind of structural representation when being in the adsorption of nitrogen gaseity, and Fig. 2 is a kind of structural representation of second molecular sieve in the utility model when being in the adsorption of nitrogen gaseity.
Present embodiment is a kind of double-stage oxygen making system, see Fig. 1 and Fig. 2, comprise compressor 1, the 5th check valve 2 that is communicated with compressor 1, one-level reversing valve 3, first adsorbing tower with molecular sieve 41 and second adsorbing tower with molecular sieve 42, vacuum pump 5, first check valve 61, second check valve 62, middle gas-holder 7, secondary reversing valve 8, type three-molecular screen alternating adsorption tower 43 and the 4th adsorbing tower with molecular sieve 44, the 3rd check valve 63, the 4th check valve 64, snubber 9, oxygen storage tank 10, flowrate control valve 11, be used for increasing the humidification pot 12 and the oxygen inhaler 13 of oxygen moisture content; The air outlet of described compressor 1 is communicated with the inlet mouth of the 5th check valve 2, and the air outlet of described the 5th check valve 2 is communicated with one-level reversing valve 3; Described one-level reversing valve 3 comprises first magnetic valve 31, second magnetic valve 32, the 3rd magnetic valve 33 and the 4th magnetic valve 34, and described secondary reversing valve 8 comprises the 5th magnetic valve 81, the 6th magnetic valve 82, the 7th magnetic valve 83 and the 8th magnetic valve 84; Specifically, what each adsorbing tower with molecular sieve in the present embodiment adopted is the zeolite molecular sieve adsorption tower of adsorbable nitrogen, wherein first adsorbing tower with molecular sieve 41 and second adsorbing tower with molecular sieve 42 are used for the one-level adsorption oxygen-preparation, and type three-molecular screen alternating adsorption tower 43 and the 4th adsorbing tower with molecular sieve 44 are used for two-stage system oxygen.
Between the air outlet that described first magnetic valve 31 serial connection is arranged on the 5th check valve 2 and the air inlet of first adsorbing tower with molecular sieve 41, described the 3rd magnetic valve 33 is connected in series between the air inlet of the air outlet that is arranged on the 5th check valve 2 and second adsorbing tower with molecular sieve 42; Described second magnetic valve, 32 serial connections are arranged between the waste gas outlet and vacuum pump 5 of first adsorbing tower with molecular sieve 41, and described the 4th magnetic valve 34 serial connections are arranged between the waste gas outlet and vacuum pump 5 of second adsorbing tower with molecular sieve 42;
In the middle of described the 6th magnetic valve 82 serial connection is arranged between the inlet mouth of the oxygen air outlet of gas-holder 7 and type three-molecular screen alternating adsorption tower 43, described the 7th magnetic valve 83 serial connections are arranged between the inlet mouth of the oxygen air outlet of centre gas-holder 7 and the 4th adsorbing tower with molecular sieve 44; Between the oxygen outlet that described the 5th magnetic valve 81 serial connection is arranged on second adsorbing tower with molecular sieve 42 and the inlet mouth of type three-molecular screen alternating adsorption tower 43, described the 8th magnetic valve 84 is connected in series between the inlet mouth of the oxygen outlet that is arranged on first adsorbing tower with molecular sieve 41 and the 4th adsorbing tower with molecular sieve 44;
Each oxygen outlet of described first adsorbing tower with molecular sieve 41 and second adsorbing tower with molecular sieve 42 and the oxygen inlet mouth of middle gas-holder 7 are communicated with, described first check valve, 61 serial connections are arranged between first adsorbing tower with molecular sieve 41 and the middle gas-holder 7, and described second check valve, 62 serial connections are arranged between second adsorbing tower with molecular sieve 42 and the middle gas-holder 7; Described the 3rd check valve 63 serial connection is arranged between the inlet mouth of the oxygen outlet of type three-molecular screen alternating adsorption tower 43 and snubber 9, and described the 4th check valve 64 serial connections are arranged between the inlet mouth of the oxygen outlet of the 4th adsorbing tower with molecular sieve 44 and snubber 9.
Also being provided with the control valve 14 that is used to close this oxygen air outlet between oxygen air outlet and the secondary reversing valve 8 of gas-holder 7 in the middle of described, specifically is to be serially connected between the inlet mouth of the oxygen air outlet of centre gas-holder 7 and the 6th magnetic valve 82.
Be provided with one-level variable valve 15 between the oxygen outlet of the oxygen outlet of described first adsorbing tower with molecular sieve 41 and second adsorbing tower with molecular sieve 42; Also be provided with secondary variable valve 16 between the oxygen outlet of the oxygen outlet of described type three-molecular screen alternating adsorption tower 43 and the 4th adsorbing tower with molecular sieve 44.This two variable valve are the air inputs that are used to regulate the stripping gas that enters each adsorbing tower with molecular sieve.
Fig. 1 and Fig. 2 have shown a complete working cycle of present embodiment, Fig. 1 has shown a kind of structural representation when first adsorbing tower with molecular sieve and the 4th adsorbing tower with molecular sieve are in the adsorption of nitrogen gaseity, and second adsorbing tower with molecular sieve at this moment and type three-molecular screen alternating adsorption tower are in the oxygen recoil, molecular sieve are carried out the state of desorb; Fig. 2 has shown it is the next state of present embodiment, at this moment, second adsorbing tower with molecular sieve and type three-molecular screen alternating adsorption tower are in the adsorption of nitrogen gaseity, and first adsorbing tower with molecular sieve and the 4th adsorbing tower with molecular sieve then are in the oxygen recoil, molecular sieve are carried out the state of desorb.
In sum, present embodiment has the following advantages: (1) present embodiment is owing to adopted type three-molecular screen alternating adsorption tower and the 4th adsorbing tower with molecular sieve as main secondary oxygen generating plant, be used for the oxygen that the one-level oxygen generating plant obtains is further purified, thereby obtain the higher finished product gas of oxygen level; In addition, present embodiment has adopted vacuum pump to be used for extracting waste gas from first adsorbing tower with molecular sieve and second adsorbing tower with molecular sieve, because vacuum pump can form lower pressure, so the desorption effect of each adsorbing tower with molecular sieve is better, be convenient to increase work efficiency, also help to improve simultaneously the oxygen content of finished product gas.(2) present embodiment adopts four two magnetic valves as the one-level reversing valve, also adopt four two magnetic valves as the secondary reversing valve in addition, control the switching of these eight two magnetic valves and the order and the time of break-make by the Add-In programmer, can make and obtain finished product gas, compare the advantage that present embodiment has is simple in structure, reliability is high, be convenient to keep in repair as reversing valve with traditional employing two-position five-way valve.
Obviously, the foregoing description of the present utility model only is for the utility model example clearly is described, and is not to be qualification to embodiment of the present utility model.For those of ordinary skill in the field, can also make other changes in different forms on the basis of the above description.Here need not also can't give exhaustive to all embodiments.And these belong to conspicuous variation or the change that spirit of the present utility model extended out and still are among the protection domain of the present utility model.
Claims (5)
1, a kind of double-stage oxygen making system, comprise compressor (1), the 5th check valve (2) that is communicated with compressor (1), one-level reversing valve (3), first adsorbing tower with molecular sieve (41) and second adsorbing tower with molecular sieve (42), the air outlet of described compressor (1) is communicated with the inlet mouth of the 5th check valve (2), and the air outlet of described the 5th check valve (2) is communicated with one-level reversing valve (3); It is characterized in that: also comprise vacuum pump (5), first check valve (61), second check valve (62), middle gas-holder (7), secondary reversing valve (8), type three-molecular screen alternating adsorption tower (43) and the 4th adsorbing tower with molecular sieve (44), the 3rd check valve (63), the 4th check valve (64), snubber (9), oxygen storage tank (10) and flowrate control valve (11); Described one-level reversing valve (3) comprises first magnetic valve (31), second magnetic valve (32), the 3rd magnetic valve (33) and the 4th magnetic valve (34), and described secondary reversing valve (8) comprises the 5th magnetic valve (81), the 6th magnetic valve (82), the 7th magnetic valve (83) and the 8th magnetic valve (84);
Between the air outlet that described first magnetic valve (31) serial connection is arranged on the 5th check valve (2) and the air inlet of first adsorbing tower with molecular sieve (41), described the 3rd magnetic valve (33) is connected in series between the air inlet of the air outlet that is arranged on the 5th check valve (2) and second adsorbing tower with molecular sieve (42); Described second magnetic valve (32) serial connection is arranged between the waste gas outlet and vacuum pump (5) of first adsorbing tower with molecular sieve (41), and described the 4th magnetic valve (34) serial connection is arranged between the waste gas outlet and vacuum pump (5) of second adsorbing tower with molecular sieve (42);
In the middle of described the 6th magnetic valve (82) serial connection is arranged between the inlet mouth of the oxygen air outlet of gas-holder (7) and type three-molecular screen alternating adsorption tower (43), described the 7th magnetic valve (83) serial connection is arranged between the inlet mouth of the oxygen air outlet of centre gas-holder (7) and the 4th adsorbing tower with molecular sieve (44); Between the oxygen outlet that described the 5th magnetic valve (81) serial connection is arranged on second adsorbing tower with molecular sieve (42) and the inlet mouth of type three-molecular screen alternating adsorption tower (43), described the 8th magnetic valve (84) is connected in series between the inlet mouth of the oxygen outlet that is arranged on first adsorbing tower with molecular sieve (41) and the 4th adsorbing tower with molecular sieve (44);
The oxygen inlet mouth of each oxygen outlet of described first adsorbing tower with molecular sieve (41) and second adsorbing tower with molecular sieve (42) and middle gas-holder (7) is communicated with, described first check valve (61) serial connection is arranged between first adsorbing tower with molecular sieve (41) and the middle gas-holder (7), and described second check valve (62) serial connection is arranged between second adsorbing tower with molecular sieve (42) and the middle gas-holder (7); Described the 3rd check valve (63) serial connection is arranged between the inlet mouth of the oxygen outlet of type three-molecular screen alternating adsorption tower (43) and snubber (9), and described the 4th check valve (64) serial connection is arranged between the inlet mouth of the oxygen outlet of the 4th adsorbing tower with molecular sieve (44) and snubber (9).
2, double-stage oxygen making system according to claim 1 is characterized in that: also be provided with the control valve (14) that is used to close this oxygen air outlet between the oxygen air outlet of gas-holder (7) and the secondary reversing valve (8) in the middle of described.
3, double-stage oxygen making system according to claim 2 is characterized in that: in the middle of described control valve (14) is serially connected between the oxygen air outlet and the inlet mouth of the 6th magnetic valve (82) of gas-holder (7).
4, double-stage oxygen making system according to claim 1 is characterized in that: be provided with one-level variable valve (15) between the oxygen outlet of the oxygen outlet of described first adsorbing tower with molecular sieve (41) and second adsorbing tower with molecular sieve (42); Also be provided with secondary variable valve (16) between the oxygen outlet of the oxygen outlet of described type three-molecular screen alternating adsorption tower (43) and the 4th adsorbing tower with molecular sieve (44).
5, double-stage oxygen making system according to claim 1 is characterized in that: this system also comprises the humidification pot (12) that is used for increasing the oxygen moisture content.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200030613U CN201183750Y (en) | 2008-01-16 | 2008-01-16 | Two-stage adsorption type oxygen generating system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200030613U CN201183750Y (en) | 2008-01-16 | 2008-01-16 | Two-stage adsorption type oxygen generating system |
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| Publication Number | Publication Date |
|---|---|
| CN201183750Y true CN201183750Y (en) | 2009-01-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2008200030613U Expired - Fee Related CN201183750Y (en) | 2008-01-16 | 2008-01-16 | Two-stage adsorption type oxygen generating system |
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| CN (1) | CN201183750Y (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868346A (en) * | 2014-03-17 | 2014-06-18 | 济南市平阴县玛钢厂 | Oxygen-enriched nitrogen supply system for cupola furnace |
-
2008
- 2008-01-16 CN CNU2008200030613U patent/CN201183750Y/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103868346A (en) * | 2014-03-17 | 2014-06-18 | 济南市平阴县玛钢厂 | Oxygen-enriched nitrogen supply system for cupola furnace |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20090121 Termination date: 20100220 |