CN203440077U - Low dew point nitrogen making system - Google Patents
Low dew point nitrogen making system Download PDFInfo
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- CN203440077U CN203440077U CN201320492518.2U CN201320492518U CN203440077U CN 203440077 U CN203440077 U CN 203440077U CN 201320492518 U CN201320492518 U CN 201320492518U CN 203440077 U CN203440077 U CN 203440077U
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- nitrogen
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- dew point
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Abstract
The utility model discloses a low dew point nitrogen making system. The low dew point nitrogen making system comprises a nitrogen making machine, a nitrogen buffer tank, a precision filter, a nitrogen storage tank and a nitrogen drying tower which are connected in sequence, wherein a nitrogen flow meter is arranged between the precision filter and the nitrogen storage tank; the nitrogen buffer tank, the precision filter and the nitrogen storage tank are communicated with a blow-off line; a pressure meter is arranged on the nitrogen storage tank; the nitrogen making machine comprises a compressed air inlet, a tower A and a tower B; a first valve group is arranged at the joint of the inlets of the tower A and the tower B; a second valve group is arranged at the joint of the outlets of the tower A and the tower B; the compressed air inlet is communicated with the tower A and the tower B through the first valve group; the tower A and the tower B are communicated with the nitrogen buffer tank through the second valve group; a third valve group is connected with the outlet of the nitrogen drying tower. The low dew point nitrogen making system is low in cost, small in occupied area and low in energy consumption.
Description
Technical field
The utility model relates to nitrogen producing craft, especially a kind of low dew point nitrogen gas generating system.
Background technology
The PSA Nitrogen plant nitrogen dew point of present Nitrogen plant manufacturer production generally can only reach below-45 degree, and further dry also can only reaching below-60 degree, can not meet the following user of dew point requirement-70 degree.
Utility model content
The purpose of this utility model is to provide a kind of low dew point nitrogen gas generating system, and nitrogen dew point can reach below-70 degree, is applicable to nitrogen dew point to have the user of special requirement.
The utility model solves the technical scheme that its technical problem adopts:
A kind of low dew point nitrogen gas generating system, wherein, comprise the Nitrogen plant, nitrogen buffer tank, accurate filter, nitrogen storage gas tank and the nitrogen drying tower that connect successively, between described accurate filter and described nitrogen storage gas tank, be provided with nitrogen flow meter, described nitrogen buffer tank, described accurate filter, described nitrogen storage gas tank are communicated with a blow-off line, and described nitrogen storage gas tank is provided with tensimeter; Described Nitrogen plant comprises compressed air inlet, A tower and B tower, the junction of the entrance of the entrance of described A tower and described B tower is provided with the first valving, the junction of the outlet of the outlet of described A tower and described B tower is provided with the second valving, described compressed air inlet is communicated with described A tower, described B tower by described the first valving, described A tower, described B tower are communicated with described nitrogen buffer tank by described the second valving, and described nitrogen drying tower exit connects the 3rd valving.
Above-mentioned low dew point nitrogen gas generating system, wherein, described the first valving comprises the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve, after being connected in series mutually, described the first valve and described the second valve be located between the entrance of described A tower and the entrance of described B tower, after described the 3rd valve and described the 4th valve are connected in series mutually, be located between the entrance of described A tower and the entrance of described B tower, described the 5th valve two ends connect respectively the entrance of described A tower, the entrance of described B tower.
Above-mentioned low dew point nitrogen gas generating system, wherein, described the second valving comprises the 6th valve, the 7th valve, the 8th valve and the 9th valve, described the 6th valve, described the 7th valve are located between the outlet of described A tower and the outlet of described B tower after being mutually connected in series, described the 8th valve two ends connect respectively the outlet of described A tower, the outlet of described B tower, and described the 6th valve is communicated with described nitrogen buffer tank by described the 9th valve.
Above-mentioned low dew point nitrogen gas generating system, wherein, described compressed air inlet is communicated with the entrance of described B tower by the tenth valve, the 11 valve, described the 4th valve.
Above-mentioned low dew point nitrogen gas generating system, wherein, described accurate filter is communicated with described nitrogen flow meter by the 12 valve, described nitrogen flow meter is communicated with described nitrogen storage gas tank by the 13 valve, the 14 valve of mutual serial connection, and described nitrogen flow meter is communicated with atmosphere by the 15 valve, the 16 valve of mutual serial connection.
Above-mentioned low dew point nitrogen gas generating system, wherein, described nitrogen storage gas tank is communicated with described nitrogen drying tower by the 18 valve, described the 3rd valving comprises the 17 valve, the 19 valve, the 20 valve and the 21 valve, described the 17 valve is serially connected with between the outlet of described nitrogen storage gas tank and the outlet of described nitrogen drying tower, the outlet of described nitrogen drying tower also connects respectively described the 19 valve and described the 20 valve, and described the 20 valve is connected in series described the 21 valve.
Compared with prior art, advantage of the present utility model and advance are mainly reflected in:
1, Nitrogen plant nitrogen dew point reaches below-70 degree;
2, single tower work, single tower regeneration, cost-saving, reduce floor space;
3, full automatic control, reaches unattended, and low dew point nitrogen plug and play, does not waste energy.
Accompanying drawing explanation
Fig. 1 is the system architecture schematic diagram of the low dew point nitrogen gas generating system of the utility model.
Embodiment
Below in conjunction with the drawings and specific embodiments, the utility model is described in further detail, but not as restriction of the present utility model.
Please refer to shown in Fig. 1, a kind of nitrogen gas generating system of the utility model comprises Nitrogen plant 1, nitrogen buffer tank 2, accurate filter 3, nitrogen storage gas tank 4 and the nitrogen drying tower 5 connecting successively, between accurate filter 3 and nitrogen storage gas tank 4, be provided with nitrogen flow meter 6, nitrogen buffer tank 2, accurate filter 3, nitrogen storage gas tank 4 are communicated with blow-off line 7, and nitrogen storage gas tank 4 is provided with tensimeter 8.
Nitrogen plant 1 comprises compressed air inlet, A tower and B tower, the junction of the entrance of the entrance of A tower and B tower is provided with the first valving, the junction of the outlet of the outlet of A tower and B tower is provided with the second valving, compressed air inlet is communicated with A tower, B tower by the first valving, A tower, B tower are communicated with nitrogen buffer tank 2 by the second valving, and nitrogen drying tower 5 exits connect the 3rd valving.
The first valving comprises the first valve V01, the second valve V02, the 3rd valve V03, the 4th valve V04 and the 5th valve V05, after being connected in series mutually, the first valve V01 and the second valve V02 be located between the entrance of A tower and the entrance of B tower, after the 3rd valve V03 and the 4th valve V04 are connected in series mutually, be located between the entrance of A tower and the entrance of B tower, the 5th valve V05 two ends connect respectively the entrance of A tower, the entrance of B tower.
The second valving comprises the 6th valve V06, the 7th valve V07, the 8th valve V08 and the 9th valve V09, the 6th valve V06, the 7th valve V07 are located at after being mutually connected in series between the outlet of A tower and the outlet of B tower, the 8th valve V08 two ends connect respectively the outlet of A tower, the outlet of B tower, and the 6th valve V06 is communicated with nitrogen buffer tank 2 by the 9th valve V09.Compressed air inlet is communicated with the entrance of B tower by the tenth valve V10, the 11 valve V11, the 4th valve V04.Accurate filter 3 is communicated with nitrogen flow meter 6 by the 12 valve V12, nitrogen flow meter 6 is communicated with nitrogen storage gas tank 4 by the 13 valve V13, the 14 valve V14 being mutually connected in series, and nitrogen flow meter 6 is communicated with atmosphere by the 15 valve V15, the 16 valve V16 of mutual serial connection.Nitrogen storage gas tank 4 is communicated with nitrogen drying tower 5 by the 18 valve, the 3rd valving comprises the 17 valve V17, the 19 valve V19, the 20 valve V20 and the 21 valve V21, the 17 valve V17 is serially connected with between the outlet of nitrogen storage gas tank 4 and the outlet of nitrogen drying tower 5, the outlet of nitrogen drying tower 5 also connects respectively the 19 valve V19 and the 20 valve V20, the 20 valve V20 serial connection the 21 valve V21.
During the work of this nitrogen gas generating system, when the work of A tower, during the regeneration of B tower, pressurized air through purifying treatment enters the bottom of Nitrogen plant 1 cylindrical shell through the tenth valve V10 and the 11 valve V11, pressurized air is from bottom to top through the 3rd valve V03, the 6th valve V06, from Nitrogen plant 1 top, out the nitrogen of certain purity enters nitrogen buffer tank 2 through the 9th valve V9 and cushions, again after accurate filter 3 filters, nitrogen is through the 12 valve V12 and nitrogen flow meter 5, when nitrogen gas purity is defective, through the 15 valve 15, the 16 valve 16 enters atmosphere automatically, after nitrogen gas purity is qualified, by the 13 valve V13, the 14 valve 14 enters nitrogen storage gas tank 4, last nitrogen is dry through nitrogen drying tower 5, the user who is directly provided with requirement uses.
When the work of B tower, during the regeneration of A tower, pressurized air through purifying treatment enters the bottom of Nitrogen plant 1 cylindrical shell through the tenth valve V10 and the 11 valve V11, pressurized air is from bottom to top through the 4th valve V04, the 7th valve V07, from Nitrogen plant 1 top, out the nitrogen of certain purity enters nitrogen buffer tank 2 through the 9th valve V09 and cushions, again after accurate filter 3 filters, nitrogen is through the 12 valve V12 and nitrogen flow meter 5, when nitrogen gas purity is defective, through the 15 valve 15, the 16 valve 16 enters atmosphere automatically, after nitrogen gas purity is qualified, by the 13 valve V13, the 14 valve 14 enters nitrogen storage gas tank 4.Last nitrogen is dry through nitrogen drying tower 5, and the user who is directly provided with requirement uses.
This is a complete Nitrogen plant work period, nitrogen storage gas tank is contained in before nitrogen drying tower, can guarantee all the time that like this use gas point has nitrogen to use, need to low dew point until user nitrogen time, PLC closes the 17 valve V17 automatically, Time Delay Opening the 18 valve 18 and the 19 valve 19, through the nitrogen of drying treatment, send into and use gas point, when nitrogen used time not, automatically close the 18 valve 18 and the 19 valve 19, time delay is automatically opened the 20 valve 20 and is carried out manipulation of regeneration, the 21 valve 21 is adjusted regeneration tolerance, guarantee that drying tower interior molecules sieve obtains effective regeneration.
The foregoing is only the utility model preferred embodiment; not thereby limit claim of the present utility model; so the equivalent structure that all utilization the utility model specification sheetss and diagramatic content have been done changes, and is all included in protection domain of the present utility model.
Claims (6)
1. one kind low dew point nitrogen gas generating system, it is characterized in that, comprise the Nitrogen plant, nitrogen buffer tank, accurate filter, nitrogen storage gas tank and the nitrogen drying tower that connect successively, between described accurate filter and described nitrogen storage gas tank, be provided with nitrogen flow meter, described nitrogen buffer tank, described accurate filter, described nitrogen storage gas tank are communicated with a blow-off line, and described nitrogen storage gas tank is provided with tensimeter;
Described Nitrogen plant comprises compressed air inlet, A tower and B tower, the junction of the entrance of the entrance of described A tower and described B tower is provided with the first valving, the junction of the outlet of the outlet of described A tower and described B tower is provided with the second valving, described compressed air inlet is communicated with described A tower, described B tower by described the first valving, described A tower, described B tower are communicated with described nitrogen buffer tank by described the second valving, and described nitrogen drying tower exit connects the 3rd valving.
2. low dew point nitrogen gas generating system according to claim 1, it is characterized in that, described the first valving comprises the first valve, the second valve, the 3rd valve, the 4th valve and the 5th valve, after being connected in series mutually, described the first valve and described the second valve be located between the entrance of described A tower and the entrance of described B tower, after described the 3rd valve and described the 4th valve are connected in series mutually, be located between the entrance of described A tower and the entrance of described B tower, described the 5th valve two ends connect respectively the entrance of described A tower, the entrance of described B tower.
3. low dew point nitrogen gas generating system according to claim 2, it is characterized in that, described the second valving comprises the 6th valve, the 7th valve, the 8th valve and the 9th valve, described the 6th valve, described the 7th valve are located between the outlet of described A tower and the outlet of described B tower after being mutually connected in series, described the 8th valve two ends connect respectively the outlet of described A tower, the outlet of described B tower, and described the 6th valve is communicated with described nitrogen buffer tank by described the 9th valve.
4. low dew point nitrogen gas generating system according to claim 3, is characterized in that, described compressed air inlet is communicated with the entrance of described B tower by the tenth valve, the 11 valve, described the 4th valve.
5. low dew point nitrogen gas generating system according to claim 4, it is characterized in that, described accurate filter is communicated with described nitrogen flow meter by the 12 valve, described nitrogen flow meter is communicated with described nitrogen storage gas tank by the 13 valve, the 14 valve of mutual serial connection, and described nitrogen flow meter is communicated with atmosphere by the 15 valve, the 16 valve of mutual serial connection.
6. low dew point nitrogen gas generating system according to claim 5, it is characterized in that, described nitrogen storage gas tank is communicated with described nitrogen drying tower by the 18 valve, described the 3rd valving comprises the 17 valve, the 19 valve, the 20 valve and the 21 valve, described the 17 valve is serially connected with between the outlet of described nitrogen storage gas tank and the outlet of described nitrogen drying tower, the outlet of described nitrogen drying tower also connects respectively described the 19 valve and described the 20 valve, and described the 20 valve is connected in series described the 21 valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492518.2U CN203440077U (en) | 2013-08-13 | 2013-08-13 | Low dew point nitrogen making system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320492518.2U CN203440077U (en) | 2013-08-13 | 2013-08-13 | Low dew point nitrogen making system |
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| Publication Number | Publication Date |
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| CN203440077U true CN203440077U (en) | 2014-02-19 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201320492518.2U Expired - Lifetime CN203440077U (en) | 2013-08-13 | 2013-08-13 | Low dew point nitrogen making system |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL424337A1 (en) * | 2018-01-22 | 2019-07-29 | Hafner Pomagier - Trzebuchowscy Spółka Jawna | Device for acquiring of nitrogen |
-
2013
- 2013-08-13 CN CN201320492518.2U patent/CN203440077U/en not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL424337A1 (en) * | 2018-01-22 | 2019-07-29 | Hafner Pomagier - Trzebuchowscy Spółka Jawna | Device for acquiring of nitrogen |
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| C14 | Grant of patent or utility model | ||
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