CN205346840U - Precious article protection is with clean nitrogen gas preparation system - Google Patents
Precious article protection is with clean nitrogen gas preparation system Download PDFInfo
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- CN205346840U CN205346840U CN201520981745.0U CN201520981745U CN205346840U CN 205346840 U CN205346840 U CN 205346840U CN 201520981745 U CN201520981745 U CN 201520981745U CN 205346840 U CN205346840 U CN 205346840U
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Abstract
The utility model provides a precious article protection is with clean nitrogen gas preparation system, this system be including the air compressor machine connected in order, secondary filter, and multi -stage filtration subassembly and oxygen/nitrogen separation subassembly, this system still includes the heater, the heater is located between multi -stage filtration subassembly and the oxygen/nitrogen separation subassembly, perhaps is located inside the multi -stage filtration subassembly. This system adopts the clean nitrogen gas of multi -stage purification processing technique preparation, and it is fast to produce gas, and the cleanliness factor is high, no pulverization particulate matter, static operation, continuous operation safe and reliable, few maintenance. Membrane group can go out coseparations such as oxygen, vapor, produces nitrogen gas extremely dry, that the dew point is low, is particularly suitable for using as historical relic's protection gas to delay the historical relic because of the ageing degradation effect of chemistry that oxygen and contamination gas arouse, reach the purpose of protection historical relic.
Description
Technical field
This utility model belongs to nitrogen preparing technical field, particularly relates to a kind of clean nitrogen preparation system of precious article protection.
Background technology
Hollow Fiber Membrane Separation Technology is a kind of new and high technology that mid-twentieth century grows up, and utilizes film group that some gas component is had the characteristic of selectively penetrating and diffusion, reaches the purpose of nitrogen oxygen separating.Employ nitrogen as protective gas, delay the aging deterioration speed of historical relic, be widely used in fields such as historical relic's protections.
Traditional nitrogen gas generating system is to prepare nitrogen for main purpose, its filtration system only meets film group to the aridity of air inlet and dust granule degree requirement, the pollution gas such as the carbon dioxide of doping, nitrogen dioxide, sulfur dioxide, ozone in nitrogen is not done adsorption filtration and processes.But for historical relic's protection gas, the common sour gas such as sulfur dioxide, nitrogen dioxide, ozone generates acid with water generation chemical reaction, and historical relic is had corrosiveness.Therefore, tradition nitrogen gas generating system is applied to historical relic's protection field and there is potential safety hazard.
Utility model content
First problem to be solved in the utility model is for the defect existed in prior art, it is provided that a kind of precious article protection cleaning nitrogen preparation system.
For solving above-mentioned technical problem, the technical solution adopted in the utility model is:
Precious article protection cleaning nitrogen preparation system, this system includes the air compressor machine being sequentially connected with, second level filter, multistage filtering assembly and nitrogen oxygen separating assembly；
This system also includes heater, and described heater is between multistage filtering assembly and nitrogen oxygen separating assembly, or is positioned at described multistage filtering component internal.
Further, described multistage filtering assembly is coarse filter, middle filtrator, active carbon filter and any one or two or more combination in fine filter.
Further, described nitrogen oxygen separating assembly is at least one in hollow-fibre membrane group and molecular sieve.
Further, the lower end of described second level filter and multistage filtering assembly is equipped with blowoff valve, and the described second level is filtered and is provided with pressure-detecting device.
Further, described blowoff valve is electrically-controlled valve or hand-operated valve, and described pressure-detecting device is pressure transmitter or electro connecting pressure gauge；Being provided with temperature controller on described heater, described temperature controller includes temperature detector and controller.
Further, this system also includes controlling assembly, described control assembly controls the start and stop of air compressor machine, monitoring admission pressure and controlling filter blowing time etc., the outfan of described control assembly respectively with the input of air compressor machine, the outfan of pressure-detecting device, and blowoff valve, the binding post of temperature controller connects.
Further, the aperture of described hollow-fibre membrane group is 0.1～75 μm.
Further, described second level filter is gas-liquid separator or cooling driers.
Further, described coarse filter is Efficient Compression air moisture trap；Described middle filtrator is coagulation type separator, can filter little steam to 0.01 μm, mist of oil and solid granulates；Described fine filter is ultra high efficiency oil removal filter, can filter little superfine little steam to 0.01 μm, mist of oil and solid granulates.
This utility model has the advantage that and has the benefit effect that native system adopts multistage purification treatment technology to prepare clean nitrogen, and aerogenesis speed is fast, and cleanliness factor is high, without atomized particles thing, and static operation, safe and reliable to operation continuously, seldom maintain.Oxygen, steam can be separated time equivalent by film group, produce the nitrogen extremely dry, dew point is low, are particularly suitable as historical relic's protection gas and use, and with the chemical aging bad effect delaying historical relic to cause because of oxygen and pollution gas, reach the purpose of protection historical relic.
Accompanying drawing explanation
The accompanying drawing constituting a part of the present utility model is further appreciated by of the present utility model for providing, and schematic description and description of the present utility model is used for explaining this utility model, is not intended that improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the layout structure schematic diagram of a kind of embodiment of the present utility model.
1: air compressor machine；2: pressure-detecting device；3: second level filter；4: the first blowoff electromagnetic valves；5: multistage filtering assembly；6: the second blowoff electromagnetic valves；7: control assembly；8: nitrogen oxygen separating assembly；9: heater；10: temperature controller.
Detailed description of the invention
It should be noted that when not conflicting, the embodiment in this utility model and the feature in embodiment can be mutually combined.
Below in conjunction with accompanying drawing, specific embodiment of the utility model is elaborated.
Wherein, the described multistage filtering assembly 5 in this utility model comprises and is not limited to any several combination of filters such as coarse filter, middle filtrator, active carbon filter and fine filter；Certain filter in described multistage filtering assembly can also be arranged on nitrogen outlet place；Described heater 9 in this utility model can select to install or do not install according to actual needs, if needing to install, may be mounted between multistage filtering assembly 5 and nitrogen oxygen separating assembly 8, it is also possible to be arranged on multistage filtering assembly 8 internal；And described heater 9 is can assemble according to the type of film group and handling characteristics selectivity；Primary filter is had, major part dust in main removing air inside described air compressor machine；Described second level filter 3 comprises and is not limited to the device for compressed gas body efficient water-removing such as gas-liquid separator, cooling driers；Described multistage filtering assembly 5, Main Function be dewater further, the Acidity of Aikalinity dusty gas such as Hydrocarbon in oil removing and air, chlorine, sulfur dioxide, nitrogen dioxide, organic acid, ammonia, it is ensured that the cleanliness factor of the gas entering nitrogen oxygen separating assembly is higher；At least one in described nitrogen oxygen separating assembly 8 hollow-fibre membrane group and molecular sieve, preferred hollow-fibre membrane group, utilize hollow-fibre membrane that the infiltration rate of gas with various is different, the gas making the infiltration rates such as oxygen, carbon dioxide, sulfur dioxide, steam high is oozed out via fibre wall by high-pressured inside, it is discharged film group, the gas that the infiltration rates such as nitrogen are low is enriched in hollow-fibre membrane, isolates the nitrogen that cleanliness factor is high.
Embodiment 1
Fig. 1 is a kind of specific embodiment of the present utility model, this cleaning nitrogen preparation system includes the air compressor machine 1 being sequentially connected with, second level filter 3, (wherein said multistage filtering assembly includes the coarse filter being sequentially connected with to multistage filtering assembly 5, middle filtrator, active carbon filter, fine filter), heater 9 and nitrogen oxygen separating assembly 8, this system also includes controlling assembly 7, the top of second level filter 3 is provided with pressure-detecting device 2, bottom is provided with the first blowoff electromagnetic valve 4, multistage filtering assembly 5 bottom is provided with the second blowoff electromagnetic valve 6, heater 9 is provided with temperature controller 10, this temperature controller 10 includes temperature detector and controller.The input of the outfan of this control assembly and air compressor machine 1, pressure-detecting device 2, the first blowoff electromagnetic valve 4, the binding post of the second blowoff electromagnetic valve 6 and temperature controller connects.
In this embodiment, inside described air compressor machine, there is primary filter, major part dust in main removing air；Gas-liquid separator selected by second level filter 3；Coarse filter is Efficient Compression air moisture trap, middle filtrator is coagulation type separator, coalesce tiny steam and mist of oil, and (this granule comprises steam can to filter the little granule to 0.01 μm, mist of oil and solid granulates) (the maximum residual oil content of 0.01ppmw/w), fine filter is ultra high efficiency oil removal filter, it can filter superfine little steam and mist of oil, and (this granule comprises steam can to filter the little granule to 0.01 μm, mist of oil and solid granulates), maximum residual oil content 0.001ppm, wherein it is provided with float-ball type automatic drain valve in active carbon filter, when lime set gathers certain altitude, ball-cock assembly can float, open osculum, automatic drain.
The running of this system is as follows:
(1), after system is run, air first passes around the primary filter net carried inside air compressor machine, roughly the dust particles of large volume in elimination air, and compression air out is pressurized between 0.7MPa-1.24MPa；
(2) compression air proceeds to the filter of the second level subsequently, is filtered to remove the steam in air through the second level；
(3) after voltage stabilizing, then sequentially pass through multistage filtering assembly oil removing, dewater, dedusting, after deacidification alkaline gas, obtain the compression air of cleaning；
(4) after clean compression air is heated between 45 DEG C-55 DEG C in the heater, it is admitted to hollow-fibre membrane group to carry out being filtered in nitrogen oxygen separating assembly, remove oxygen, carbon dioxide, sulfur dioxide etc. further, realize nitrogen oxygen separating (wherein, heater 9 in the present embodiment can assemble by selectivity, and be not limited to the case for this embodiment and even do not assemble heater, compression air can be directly over multistage filtering oil removing, dewaters, after dedusting, clean compression air is admitted to hollow-fibre membrane group and is filtered, it is achieved nitrogen oxygen separating).
(5) when adopting hollow-fibre membrane group nitrogen oxygen separating, " fast gas " that the infiltration rates such as oxygen, carbon dioxide, steam are high adsorbs on membranous wall, dissolves, spreads, then precipitation escapes into outside film, discharge from the oxygen enrichment floss hole of the air inlet of film group, clean nitrogen (" slow gas ") is few owing to permeating, it is enriched in hollow-fibre membrane, exports from film group gas outlet；
(6) in system operation, control assembly to carry out monitoring in real time and controlling to second level filter output pressure by pressure transmitter, when gas output pressure is filtered more than 1.0MPa in the second level, system controls discharge solenoid valve and opens, when pressure is down to below 0.8MPa, discharge solenoid valve is closed.
In third party is to nitrogen, sulfur dioxide, nitrogen dioxide, ozone etc. detect respectively, and testing result is respectively less than 2 μ g/m3, less than 2.5 μ g/m3, less than 21 μ g/m3, result is superior to WH/T24-2006 " Ancient Books in Libraries special or unique collection stack room " standard；It addition, nitrogen dew point temperature is-20～-70 DEG C.
Above embodiment of the present utility model is described in detail, but described content has been only preferred embodiment of the present utility model, it is impossible to be considered for limiting practical range of the present utility model.All equalizations made according to this utility model application range change and improvement etc., all should still belong within patent covering scope of the present utility model.
Claims (10)
1. precious article protection cleaning nitrogen preparation system, it is characterised in that: this system includes the air compressor machine being sequentially connected with, second level filter, multistage filtering assembly and nitrogen oxygen separating assembly.
2. the clean nitrogen preparation system of precious article protection according to claim 1, it is characterised in that: this system also includes heater, and described heater is between multistage filtering assembly and nitrogen oxygen separating assembly, or is positioned at described multistage filtering component internal.
3. precious article protection cleaning nitrogen preparation system according to claim 1 and 2, it is characterised in that: described multistage filtering assembly is coarse filter, middle filtrator, active carbon filter and any one or two or more combination in fine filter.
4. the clean nitrogen preparation system of precious article protection according to claim 1 and 2, it is characterised in that: described nitrogen oxygen separating assembly is at least one in hollow-fibre membrane group and molecular sieve.
5. the clean nitrogen preparation system of precious article protection according to claim 2, it is characterised in that: the lower end of described second level filter and multistage filtering assembly is equipped with blowoff valve, and the described second level is filtered and is provided with pressure-detecting device.
6. the clean nitrogen preparation system of precious article protection according to claim 5, it is characterised in that: described blowoff valve is electrically-controlled valve or hand-operated valve, and described pressure-detecting device is pressure transmitter or electro connecting pressure gauge；Being provided with temperature controller on described heater, described temperature controller includes temperature detector and controller.
7. the clean nitrogen preparation system of precious article protection according to claim 6; it is characterized in that: this system also include control assembly, the outfan of described control assembly respectively with the input of air compressor machine, the outfan of pressure-detecting device; and blowoff valve, the binding post of temperature controller connects.
8. the clean nitrogen preparation system of precious article protection according to claim 4, it is characterised in that: the aperture of described hollow-fibre membrane group is 0.1～75 μm.
9. the clean nitrogen preparation system of precious article protection according to claim 1, it is characterised in that: described second level filter is gas-liquid separator or cooling driers.
10. the clean nitrogen preparation system of precious article protection according to claim 3, it is characterised in that: described coarse filter is Efficient Compression air moisture trap；Described middle filtrator is coagulation type separator, can filter the little granule to 0.01 μm；Described fine filter is ultra high efficiency oil removal filter, can filter the little granule to 0.01 μm.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520981745.0U CN205346840U (en) | 2015-11-30 | 2015-11-30 | Precious article protection is with clean nitrogen gas preparation system |
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| CN201520981745.0U CN205346840U (en) | 2015-11-30 | 2015-11-30 | Precious article protection is with clean nitrogen gas preparation system |
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| CN205346840U true CN205346840U (en) | 2016-06-29 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347316A (en) * | 2015-11-30 | 2016-02-24 | 天津森罗科技股份有限公司 | Preparing system and method for clean nitrogen for protecting precious articles |
| CN106545938A (en) * | 2016-12-06 | 2017-03-29 | 西安交通大学 | A kind of museum of ancient ruined site is open to bury the local nitrogen enriched protection system of hole cultural relic conservation |
| CN115105930A (en) * | 2021-03-17 | 2022-09-27 | 中国科学院过程工程研究所 | Multifunctional hollow fiber membrane gas separation and purification system and method |
-
2015
- 2015-11-30 CN CN201520981745.0U patent/CN205346840U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105347316A (en) * | 2015-11-30 | 2016-02-24 | 天津森罗科技股份有限公司 | Preparing system and method for clean nitrogen for protecting precious articles |
| CN106545938A (en) * | 2016-12-06 | 2017-03-29 | 西安交通大学 | A kind of museum of ancient ruined site is open to bury the local nitrogen enriched protection system of hole cultural relic conservation |
| CN106545938B (en) * | 2016-12-06 | 2021-12-28 | 西安交通大学 | Site museum open burial pit cultural relic preservation local nitrogen-rich protection system |
| CN115105930A (en) * | 2021-03-17 | 2022-09-27 | 中国科学院过程工程研究所 | Multifunctional hollow fiber membrane gas separation and purification system and method |
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| C14 | Grant of patent or utility model | ||
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Preparing system and method for clean nitrogen for protecting precious articles Effective date of registration: 20200313 Granted publication date: 20160629 Pledgee: Bank of Ningxia Tianjin branch Limited by Share Ltd. Beichen Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY Co.,Ltd. Registration number: Y2020990000170 |
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| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20230331 Granted publication date: 20160629 Pledgee: Bank of Ningxia Tianjin branch Limited by Share Ltd. Beichen Pledgor: TIANJIN CNRO SCIENCE TECHNOLOGY Co.,Ltd. Registration number: Y2020990000170 |