CN110790246A - Online purification system and method for helium filled in aerostat - Google Patents
Online purification system and method for helium filled in aerostat Download PDFInfo
- Publication number
- CN110790246A CN110790246A CN201911227843.4A CN201911227843A CN110790246A CN 110790246 A CN110790246 A CN 110790246A CN 201911227843 A CN201911227843 A CN 201911227843A CN 110790246 A CN110790246 A CN 110790246A
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- Prior art keywords
- helium
- aerostat
- purity
- filling
- module
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B23/00—Noble gases; Compounds thereof
- C01B23/001—Purification or separation processes of noble gases
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64B—LIGHTER-THAN AIR AIRCRAFT
- B64B1/00—Lighter-than-air aircraft
- B64B1/58—Arrangements or construction of gas-bags; Filling arrangements
- B64B1/62—Controlling gas pressure, heating, cooling, or discharging gas
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C13/00—Details of vessels or of the filling or discharging of vessels
- F17C13/02—Special adaptations of indicating, measuring, or monitoring equipment
- F17C13/025—Special adaptations of indicating, measuring, or monitoring equipment having the pressure as the parameter
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C5/00—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures
- F17C5/06—Methods or apparatus for filling containers with liquefied, solidified, or compressed gases under pressures for filling with compressed gases
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2221/00—Handled fluid, in particular type of fluid
- F17C2221/01—Pure fluids
- F17C2221/016—Noble gases (Ar, Kr, Xe)
- F17C2221/017—Helium
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2227/00—Transfer of fluids, i.e. method or means for transferring the fluid; Heat exchange with the fluid
- F17C2227/04—Methods for emptying or filling
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17C—VESSELS FOR CONTAINING OR STORING COMPRESSED, LIQUEFIED OR SOLIDIFIED GASES; FIXED-CAPACITY GAS-HOLDERS; FILLING VESSELS WITH, OR DISCHARGING FROM VESSELS, COMPRESSED, LIQUEFIED, OR SOLIDIFIED GASES
- F17C2265/00—Effects achieved by gas storage or gas handling
- F17C2265/03—Treating the boil-off
- F17C2265/032—Treating the boil-off by recovery
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- General Engineering & Computer Science (AREA)
- Organic Chemistry (AREA)
- Aviation & Aerospace Engineering (AREA)
- Analytical Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Abstract
The invention belongs to the field of helium purification, and discloses an online purification system and method for filling helium in an aerostat. The technical scheme of the invention comprises an aerostat, a first air charging and discharging port, a second air charging and discharging port, a helium gas extraction pipeline, a helium gas filling pipeline and helium gas circulating equipment; by using helium circulating equipment, helium recovery, purification and filling are synchronously carried out, and the dynamic balance of internal air pressure is ensured by utilizing real-time monitoring and manual regulation, so that the internal helium purification of the aerostat in the anchoring state is realized.
Description
Technical Field
The invention relates to the field of helium purification, in particular to an online helium purification system and method in an aerostat.
Background
The aerostat comprises aircrafts such as balloons and airship and is an aircraft which is lighter than air in specific gravity and mainly lifts off by virtue of self static buoyancy. The static buoyancy is provided by the internal filling gas. Currently, helium is a commonly used fill gas internationally. For the aerostat filled with helium, the purity of the helium is in direct proportion to the static buoyancy, and the use performance and safety of the aerostat are affected when the purity of the helium is too low.
At present, a recovery and purification method is generally used to ensure the purity of helium filled in the aerostat. The method comprises the steps of completely extracting and recovering helium filled in the aerostat, treating the helium by ground purification equipment, and refilling the helium into the aerostat.
The prior art is mature and feasible, but the implementation process, particularly the helium recovery and the re-erection of a large aerostat, needs a large amount of human resources and material guarantee. In the process of recovery and erection, the irrecoverable fatigue of the aerostat capsule material is inevitably caused, and simultaneously, the system can be damaged unpredictably, the service life of the aerostat is influenced, and a large number of potential safety hazards exist.
Disclosure of Invention
In order to overcome the defects, the invention provides an online purification system and method for filling helium in an aerostat, which avoid excessive consumption of human resources during recovery of the aerostat on one hand, avoid repeated disassembly and assembly of the aerostat system on the other hand, and avoid mechanical loss and potential safety hazards.
To achieve the above purpose, the technical scheme of the invention is as follows
The first technical scheme is as follows:
an on-line purification system for helium filled in the interior of an aerostat, comprising: the device comprises an aerostat 2, a first air charging and discharging port 3, a second air charging and discharging port 4, a helium extraction pipeline 5, a helium filling pipeline 6 and helium circulating equipment 7;
the first air charging and discharging port and the second air charging and discharging port are positioned on the aerostat, one end of the helium extraction pipeline is connected with the first air charging and discharging port, and the other end of the helium extraction pipeline is connected with the input end of the helium circulating equipment; one end of the helium filling pipeline is connected with the second air charging and discharging port, and the other end of the helium filling pipeline is connected with the output end of the helium circulating equipment.
The first technical scheme of the invention has the characteristics and further improvement that:
1. the helium circulating equipment comprises a helium recovery module, a helium purification module and a helium filling module;
the input end of the helium recovery module is used as the input end of helium circulating equipment and is used for recovering the extracted low-purity helium;
the output end of the helium recovery module is connected with the input end of the helium purification module, and the output end of the helium purification module is connected with the input end of the helium filling module; the helium purification module is used for purifying the recovered low-purity helium to obtain high-purity helium;
and the output end of the helium filling module is used as the output end of the helium circulating equipment and used for filling the obtained high-purity helium into the aerostat.
2. The helium filling module is also provided with an input end for connecting an external high-purity helium source.
3. The system further comprises a monitoring device 1; the device is used for monitoring the purity of helium in the aerostat and/or the pressure difference between the air pressure in the aerostat and the atmospheric pressure, and adjusting the extraction or filling speed of the helium according to the pressure difference, so that the pressure difference between the air pressure of the aerostat capsule and the atmospheric pressure is in a safe range.
The second technical scheme is as follows:
when the aerostat 2 is anchored, a helium circulating device 7 is connected with a first air charging and discharging port 3 through a helium gas extraction pipeline 5 to extract low-purity helium gas in the aerostat, and the helium circulating device 7 is connected with a second air charging and discharging port 4 through a helium gas filling pipeline 6 to be filled with high-purity helium gas.
The second technical scheme of the invention is characterized by further improvement as follows:
1, recovering the extracted low-purity helium by a helium recovery module, and transmitting the extracted low-purity helium to a helium purification module;
the helium purification module purifies the extracted low-purity helium to obtain high-purity helium, and the high-purity helium is transmitted to the helium filling module;
the helium filling module fills the obtained high-purity helium into the aerostat;
the high-purity helium gas of the helium filling module is from the high-purity helium gas purified by the helium purifying module or an external high-purity helium gas source.
2, the monitoring device monitors the pressure difference between the air pressure of the air-float capsule and the atmospheric pressure, and adjusts the helium extraction or filling speed according to the pressure difference to ensure that the pressure difference is within a safe range.
3, the air pressure in the aerostat is greater than the atmospheric pressure, so that when the pressure difference is higher than a safety range, the monitoring device accelerates the helium extraction speed and/or slows down the helium filling speed;
when the pressure difference is lower than the safe range, the monitoring device slows down the helium gas extraction speed and/or accelerates the helium gas filling speed.
And 4, the monitoring device can also monitor the helium purity in the aerostat, when the helium is purified to be close to the preset purity, the helium filling and extracting speed is synchronously reduced, and when the helium is purified to be the preset purity, the helium equipment is closed, so that the helium on-line purification is completed.
Compared with the prior art, the invention has the following beneficial effects:
1) the helium on-line purification method reduces the consumption of human resources. For the aerostat, particularly for large and medium aerostats, the human resources required by the implementation of the scheme are only 20% -30% of the human resources required by the disassembly and recovery of the aerostat;
2) the method avoids the loss of the aerostat capsule and the repeated disassembly and assembly of system components.
Drawings
FIG. 1 is a schematic diagram of on-line purification of helium filled in an aerostat;
in the figure, 1 is a monitoring device, 2 is an aerostat, 3 is a first air charging and discharging port, 4 is a second air charging and discharging port, 5 is a helium gas extraction pipeline, 6 is a helium gas filling pipeline, and 7 is helium gas circulating equipment.
Detailed Description
An on-line purification system for helium filled in the interior of an aerostat, as shown in fig. 1, comprises: the device comprises a monitoring device 1, an aerostat 2, a first air charging and discharging port 3, a second air charging and discharging port 4, a helium extraction pipeline 5, a helium filling pipeline 6 and helium circulating equipment 7;
the first air charging and discharging port and the second air charging and discharging port are positioned on the aerostat, one end of the helium extraction pipeline is connected with the first air charging and discharging port, and the other end of the helium extraction pipeline is connected with the input end of the helium circulating equipment; one end of the helium filling pipeline is connected with the second air charging and discharging port, and the other end of the helium filling pipeline is connected with the output end of the helium circulating equipment.
When the aerostat 2 is anchored, a helium circulating device 7 is connected with a first air charging and discharging port 3 through a helium gas extraction pipeline 5 to extract low-purity helium gas in the aerostat, and is connected with a second air charging and discharging port 4 through a helium gas filling pipeline 6 to be filled with high-purity helium gas.
And starting a helium recovery module in the helium circulating equipment, purifying the extracted helium by a helium purification module in the circulating equipment, and then starting a helium filling module to fill the purified high-purity helium into the aerostat (without passing through the helium purification module, extracting and recovering the helium in the aerostat and synchronously filling the high-purity helium).
The monitoring device 1 is used for detecting the air pressure of the aerostat envelope, and the helium extraction or helium filling speed is adjusted according to the air bag pressure difference, so that the air bag pressure difference is ensured to be in a safe range.
The pressure in the aerostat is generally greater than the atmospheric pressure, so that when the pressure difference is higher than a safety range, the helium extraction speed is increased and/or the helium filling speed is reduced; further, the pumping rate is made greater than the filling rate, so that the differential pressure is reduced to a safe range. When the pressure difference is lower than the safety range, the helium gas extraction speed is slowed down and/or the helium gas filling speed is accelerated, and further, the filling speed is made to be higher than the extraction speed, so that the pressure difference is increased to the safety range.
In the whole process, the helium purity in the aerostat is detected through the monitoring device 1, when the helium purification is close to the preset purity, the helium filling and extracting speed is synchronously reduced, and when the helium is purified to the preset purity, the helium circulating equipment is closed, so that the on-line purification of the helium filled in the aerostat is completed.
The technical scheme of the invention is that helium recycling, purifying and filling are synchronously carried out by using helium circulating equipment, and the dynamic balance of internal air pressure is ensured by utilizing real-time monitoring and manual regulation, so that the internal helium purification of the aerostat in an anchoring state is realized. The method avoids excessive consumption of human resources when the aerostat is recovered, avoids repeated disassembly and assembly of the aerostat system, and avoids mechanical loss and potential safety hazards.
Claims (9)
1. An on-line purification system for helium filled in the interior of an aerostat, the system comprising: the device comprises an aerostat (2), a first air charging and discharging port (3), a second air charging and discharging port (4), a helium extraction pipeline (5), a helium filling pipeline (6) and helium circulating equipment (7);
the first air charging and discharging port and the second air charging and discharging port are positioned on the aerostat, one end of the helium extraction pipeline is connected with the first air charging and discharging port, and the other end of the helium extraction pipeline is connected with the input end of the helium circulating equipment; one end of the helium filling pipeline is connected with the second air charging and discharging port, and the other end of the helium filling pipeline is connected with the output end of the helium circulating equipment.
2. The on-line purification system for helium filled in the interior of the aerostat according to claim 1, wherein: the helium circulating equipment comprises a helium recovery module, a helium purification module and a helium filling module;
the input end of the helium recovery module is used as the input end of helium circulating equipment and is used for recovering the extracted low-purity helium;
the output end of the helium recovery module is connected with the input end of the helium purification module, and the output end of the helium purification module is connected with the input end of the helium filling module; the helium purification module is used for purifying the recovered low-purity helium to obtain high-purity helium;
and the output end of the helium filling module is used as the output end of the helium circulating equipment and used for filling the obtained high-purity helium into the aerostat.
3. The on-line purification system for helium filled in the interior of the aerostat according to claim 2, wherein: the helium filling module is also provided with an input end for connecting an external high-purity helium source.
4. The on-line helium filling purification system inside an aerostat according to claim 1, wherein said system further comprises a monitoring device (1); for monitoring the purity of helium gas inside the aerostat and/or the pressure difference between the air pressure and the atmospheric pressure inside the aerostat.
5. An on-line purification method for helium filled in the interior of an aerostat, which is applied to the system of claims 1-4, and is characterized in that: the method comprises the following steps:
when the aerostat (2) is anchored, the helium circulating equipment (7) is connected with the first air charging and discharging port (3) through a helium extracting pipeline (5) to extract low-purity helium in the aerostat,
the helium circulating equipment (7) is connected with the second charging and discharging port (4) through a helium filling pipeline (6) and is filled with high-purity helium.
6. The on-line purification method for helium filled in the interior of the aerostat according to claim 5, wherein:
the helium recovery module recovers the extracted low-purity helium and transmits the extracted low-purity helium to the helium purification module;
the helium purification module purifies the extracted low-purity helium to obtain high-purity helium, and the high-purity helium is transmitted to the helium filling module;
the helium filling module fills the obtained high-purity helium into the aerostat;
the high-purity helium gas of the helium filling module is from the high-purity helium gas purified by the helium purifying module or an external high-purity helium gas source.
7. The on-line purification method for helium filled in the interior of the aerostat according to claim 5, wherein: the monitoring device monitors the pressure difference between the air pressure and the atmospheric pressure of the aerostat envelope, and adjusts the helium extraction or filling speed according to the pressure difference, so that the pressure difference between the air pressure and the atmospheric pressure of the aerostat envelope is in a safe range.
8. The on-line purification method for helium filled in the interior of the aerostat according to claim 7, wherein:
when the pressure difference is higher than the safety range, the monitoring device adjusts the helium extraction speed to accelerate and/or adjusts the helium filling speed to decelerate;
when the pressure difference is lower than the safe range, the monitoring device adjusts the helium extraction speed to reduce and/or adjusts the helium filling speed to increase.
9. The on-line purification method for helium filled in the interior of the aerostat according to claim 5, wherein: the monitoring device monitors the purity of helium in the aerostat, when the helium is purified to be close to the preset purity, the helium filling and extracting speed is synchronously reduced, and when the helium is purified to be the preset purity, the helium equipment is closed, so that the helium on-line purification is completed.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911227843.4A CN110790246A (en) | 2019-12-04 | 2019-12-04 | Online purification system and method for helium filled in aerostat |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201911227843.4A CN110790246A (en) | 2019-12-04 | 2019-12-04 | Online purification system and method for helium filled in aerostat |
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| CN110790246A true CN110790246A (en) | 2020-02-14 |
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| CN103287567A (en) * | 2013-05-22 | 2013-09-11 | 青岛飞宇航空科技有限公司 | Automatic inflating and deflating air pressure adjusting system of air bag of aerostat |
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| CN206945988U (en) * | 2017-06-16 | 2018-01-30 | 东莞前沿技术研究院 | A kind of buoyancy detecting system |
| CN109552591A (en) * | 2018-12-28 | 2019-04-02 | 湖南航天远望科技有限公司 | A kind of aerostatics fast aeration method and device |
| CN110203895A (en) * | 2019-07-01 | 2019-09-06 | 苏州睿分电子科技有限公司 | A kind of the circulatory purification system and circulatory purification method of helium |
| CN209581835U (en) * | 2018-08-29 | 2019-11-05 | 东莞前沿技术研究院 | Captive balloon helium purification devices |
-
2019
- 2019-12-04 CN CN201911227843.4A patent/CN110790246A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20100292537A1 (en) * | 2009-05-14 | 2010-11-18 | Tsuyoshi Ashida | Inner pressure detection device and inner pressure detection method for inflation and deflation member, and endoscope apparatus |
| CN102311104A (en) * | 2011-09-30 | 2012-01-11 | 中国电子科技集团公司第三十八研究所 | Device for on-line recovering and purifying helium in inner capsule of aerostat |
| CN103287567A (en) * | 2013-05-22 | 2013-09-11 | 青岛飞宇航空科技有限公司 | Automatic inflating and deflating air pressure adjusting system of air bag of aerostat |
| CN107054611A (en) * | 2017-04-05 | 2017-08-18 | 杭州东沣科技有限公司 | A kind of dirigible utricule fast aeration system and method |
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