CN203112504U - Small-sized membrane-separation nitrogen production device - Google Patents
Small-sized membrane-separation nitrogen production device Download PDFInfo
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- CN203112504U CN203112504U CN 201320113343 CN201320113343U CN203112504U CN 203112504 U CN203112504 U CN 203112504U CN 201320113343 CN201320113343 CN 201320113343 CN 201320113343 U CN201320113343 U CN 201320113343U CN 203112504 U CN203112504 U CN 203112504U
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Abstract
The utility model discloses a small-sized membrane-separation nitrogen production device and relates to nitrogen production devices. The device comprises an air compressor, an air storage tank, a pressure regulating valve, a first-stage filter, a cold drying machine, a second-stage filter, a third-stage filter, an air flowmeter, a heater, a gas inlet valve, a membrane group, a buffer tank, a nitrogen gas flowmeter, a throttle valve, a back pressure valve, a dew point meter, a nitrogen gas purity meter and a nitrogen gas booster which are sequentially connected through a pipeline, wherein an air pressure gauge and an air release valve are mounted on the air storage tank, a nitrogen gas pressure gauge is mounted on the buffer tank, and a thermometer and a membrane group inlet pressure gauge are mounted on the pipeline between the heater and the gas inlet valve; and an air release valve is mounted on the pipeline between the membrane group and the buffer tank. The small-sized membrane-separation nitrogen production device has the advantages that the operation is convenient, the nitrogen production time is short, the automated control is easy to realize, the gas state change does not occur during separation, the energy consumption is low, and the pollution is little.
Description
Technical field
The utility model relates to a kind of nitrogen-making device, specifically is a kind of small-sized film separation and nitrogen-making device.
Background technology
At present method for preparing nitrogen commonly used mainly contains three kinds of cryogenic rectification method, pressure swing adsorption process and membrane separation processes.Cryogenic rectification method at first becomes liquid air with air setting, is gasificated into gas nitrogen isolate liquid nitrogen then from liquid air after, and whole process requires high, and the time that goes out nitrogen is longer, and energy consumption is bigger, generally is applied in the large-scale nitrogen production equipment; Pressure swing adsorption process is by means of the characterization of adsorption of sorbent material, it is adsorbent bed to allow pressurized air pass through, and airborne oxygen molecule is adsorbed, and just can obtain highly purified nitrogen from the adsorber outlet, this method is bigger to the dependency of sorbent material, and the performance of sorbent material directly influences the quality of producing nitrogen.
Summary of the invention
In order to overcome the shortcoming of above-mentioned prior art, the utility model provides a kind of small-sized film separation and nitrogen-making device, easy to operate, go out the nitrogen time short, easily realize automatization control, gaseous phase does not take place and changes in sepn process, energy consumption is low, pollution is few.
The utility model is realized with following technical scheme: a kind of small-sized film separation and nitrogen-making device comprises the air compressor machine, gas-holder, relief valve, grade one filter, cooling driers, secondary filter, tertiary filter, air flowmeter, well heater, intake valve, film group, surge tank, nitrogen flow meter, throttling valve, back pressure valve, dew point hygrometer, nitrogen gas purity instrument and the nitrogen supercharging machine that connect in turn by pipeline; Air manometer and blow-off valve are installed on the gas-holder, the nitrogen pressure table is installed on the surge tank, the pipeline between well heater and intake valve is equipped with thermometer and film group inlet pressure gauge; On the pipeline between film group and the surge tank blow-off valve is installed.
It further is: described film group is in series by two hollow-fibre membranes.
The beneficial effects of the utility model are: the membrane separating method that this device adopts, utilize the permselective property of hollow-fibre membrane, and allow airborne oxygen see through the rete emptying, and the nitrogen that is blocked on a side obtain dense poly-.The membrane separation process device is simple, easy to operate, go out the nitrogen time short, easily realize automatization control, gaseous phase does not take place and changes in sepn process, energy consumption is low, pollution is few.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the utility model structural representation.
Among the figure: 1, air compressor machine, 2, air manometer, 3, gas-holder, 4, blow-off valve, 5, relief valve, 6, grade one filter, 7, cooling driers, 8, secondary filter, 9, tertiary filter, 10, air flowmeter, 11, well heater, 12, thermometer, 13, inlet pressure gauge, 14, intake valve, 15, the film group, 16, the nitrogen pressure table, 17, surge tank, 18, the nitrogen flow meter, 19, throttling valve, 20, back pressure valve, 21, dew point hygrometer, 22, the nitrogen gas purity instrument, 23, the nitrogen supercharging machine.
Embodiment
As shown in Figure 1, a kind of small-sized film separation and nitrogen-making device comprises air compressor machine 1, gas-holder 3, relief valve 5, grade one filter 6, cooling driers 7, secondary filter 8, tertiary filter 9, air flowmeter 10, well heater 11, intake valve 14, film group 15, surge tank 17, nitrogen flow meter 18, throttling valve 19, back pressure valve 20, dew point hygrometer 21, nitrogen gas purity instrument 22 and the nitrogen supercharging machine 23 that connects in turn by pipeline; Air manometer 2 and blow-off valve 4 are installed on the gas-holder 3, nitrogen pressure table 16 is installed on the surge tank 17, the pipeline between well heater 11 and intake valve 14 is equipped with thermometer 12 and inlet pressure gauge 13; On the pipeline between film group 15 and the surge tank 17 blow-off valve is installed.
In the present embodiment, film group 15 is in series by two hollow-fibre membranes.
Working process: ambient air enters gas-holder 3 and stores after air compressor machine 1 compression, adjust pressure to the 1.25MPa through relief valve 5, cool and dewater through entering cooling driers 7 behind grade one filter 6 impurity screenings, pass through secondary, tertiary filter impurity screening again, be heated to 40 ℃～45 ℃ by entering well heater 11 after air flowmeter 10 test traffics.Air after the heating is entered in the film group that two hollow-fibre membranes are in series by intake valve 14, useless oxygen-permeable film group is emitted, separated nitrogen is stored in the surge tank 17, then through nitrogen flow meter 18 test traffics, adjust pressure through throttling valve 19, back pressure valve 20, by dew point hygrometer 21 test dew points, by being pressurized to 15MPa by nitrogen supercharging machine 23 after the nitrogen gas purity instrument 22 test purity, filling is to nitrogengas cylinder.
In the working process, the air themperature after the heater via heating is measured by thermometer 12, and gas-holder pressure is measured by air manometer 2, and the pressure that enters hollow-fibre membrane group air is measured by inlet pressure gauge 13, and the pressure of surge tank is measured by nitrogen pressure table 18.Cooling driers 7 cools off the water of condensation that is discharged by the wash water valve of cooling driers downside, and the impurity that one-level, secondary, tertiary filter filter out is regularly discharged from the wash water valve of strainer downside.After working process finished, the air in the gas-holder can manually be emitted by the blow-off valve 4 of its underpart, and the gas in surge tank and the film group can manually be emitted by the blow-off valve 4 between gas-holder and the film group.
Claims (2)
1. a small-sized film separation and nitrogen-making device is characterized in that: comprise the air compressor machine (1), gas-holder (3), relief valve (5), grade one filter (6), cooling driers (7), secondary filter (8), tertiary filter (9), air flowmeter (10), well heater (11), intake valve (14), film group (15), surge tank (17), nitrogen flow meter (18), throttling valve (19), back pressure valve (20), dew point hygrometer (21), nitrogen gas purity instrument (22) and the nitrogen supercharging machine (23) that connect in turn by pipeline; Air manometer (2) and blow-off valve (4) are installed on the gas-holder (3), nitrogen pressure table (16) is installed on the surge tank (17), and the pipeline between well heater (11) and intake valve (14) is equipped with thermometer (12) and film group inlet pressure gauge (13); On the pipeline between film group (15) and the surge tank (17) blow-off valve is installed.
2. a kind of small-sized film separation and nitrogen-making device according to claim 1, it is characterized in that: described film group (15) is in series by two hollow-fibre membranes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113343 CN203112504U (en) | 2013-03-12 | 2013-03-12 | Small-sized membrane-separation nitrogen production device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320113343 CN203112504U (en) | 2013-03-12 | 2013-03-12 | Small-sized membrane-separation nitrogen production device |
Publications (1)
| Publication Number | Publication Date |
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| CN203112504U true CN203112504U (en) | 2013-08-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201320113343 Expired - Fee Related CN203112504U (en) | 2013-03-12 | 2013-03-12 | Small-sized membrane-separation nitrogen production device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040495A (en) * | 2016-07-15 | 2016-10-26 | 苏州伟世柏环保科技有限公司 | Nitrogen generation system for paint spraying |
| CN108423644A (en) * | 2018-04-10 | 2018-08-21 | 上海垣锦机电设备制造有限公司 | A kind of film separation and nitrogen-making device |
| CN113561303A (en) * | 2021-08-26 | 2021-10-29 | 陈亮广 | CO (carbon monoxide)2Device and method for mineralizing and curing concrete building blocks |
-
2013
- 2013-03-12 CN CN 201320113343 patent/CN203112504U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106040495A (en) * | 2016-07-15 | 2016-10-26 | 苏州伟世柏环保科技有限公司 | Nitrogen generation system for paint spraying |
| CN108423644A (en) * | 2018-04-10 | 2018-08-21 | 上海垣锦机电设备制造有限公司 | A kind of film separation and nitrogen-making device |
| CN113561303A (en) * | 2021-08-26 | 2021-10-29 | 陈亮广 | CO (carbon monoxide)2Device and method for mineralizing and curing concrete building blocks |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP02 | Change in the address of a patent holder |
Address after: 221000 West Street, Jiangsu, Xuzhou, No. 85 Patentee after: Zhu Qian Address before: 221000 Jiangsu Province, Gulou District of Xuzhou City Yikang garden room 5-2-301 Patentee before: Zhu Qian |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130807 Termination date: 20140312 |