CN206580560U - A kind of helium recovery and purification system for aerostatics - Google Patents
A kind of helium recovery and purification system for aerostatics Download PDFInfo
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- CN206580560U CN206580560U CN201720144207.5U CN201720144207U CN206580560U CN 206580560 U CN206580560 U CN 206580560U CN 201720144207 U CN201720144207 U CN 201720144207U CN 206580560 U CN206580560 U CN 206580560U
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Abstract
The utility model discloses a kind of helium recovery and purification system for aerostatics, the aerostatics includes the capsula interna for being used to store helium, the low pressure buffer tank that outlet side of the system including inlet end and capsula interna is connected by pipeline, the compressor that inlet end is connected with the outlet side of low pressure buffer tank by pipeline, the water-oil separating module that the outlet side of inlet end and compressor is connected by the first pipeline, the pressure-reduction module that inlet end is connected with the outlet side of water-oil separating module by second pipe, the one-level separation module that inlet end is connected with the outlet side of pressure-reduction module by the 3rd pipeline, the one-level separation module go out pure gas end and the inlet end of capsula interna is connected by pipeline.The system can realize the online purifying of helium, it is ensured that helium is recycled.
Description
Technical field
The present invention relates to helium process field, more particularly to a kind of helium recovery and purification system for aerostatics.
Background technology
Aerostatics (balloon, dirigible etc.) is a kind of airborne vehicle for fully relying on itself quiet buoyancy lift-off, and its quiet buoyancy is logical
The helium of internal filling is often relied on to provide.For it is interior fill the aerostatics of helium for, the purity of helium gas inside is directly influenced
The size of its net lift, so as to be impacted to flying quality.
The used helium of aerostatics is directly discharged in air at present, the waste of helium is on the one hand caused, also makes
Into the pollution of air, for a specific aerostatics, the capacity of its helium is certain, directly by helium
Discharge will cause the continuous reduction of helium, and then will seriously limit the aerostatics aerial residence time and stop high
Degree, while will also bring certain danger.
The helium purification skill generally used in the world at present has three kinds：The absorption of low temperature art, pressure-variable adsorption and UF membrane.It is low
Temperature absorption is a kind of method of purification that the devices such as extracting helium from natural gas are generally used, and this method is ripe classical, but operating cost
Higher (using liquid nitrogen), flow complexity, operating pressure height etc., do not meet enterprise to device miniaturization, intellectuality, efficient energy-saving
It is required that；Pressure-variable adsorption is that foreign gas is adsorbed in normal temperature, middle pressure using adsorbents such as carbon molecular sieve, activated carbons, so as to carry
Pure helium, this method product gas outlet purity is and high equipment cost, cumbersome not as good as low-temperature adsorption, therefore grinds in the world
Study carefully few；Membrane separation process is a kind of efficient permeability and separation method, new gas membrane Seperation Technology have it is energy-efficient, be easy to real
Now miniaturization and intelligentized feature, this can make up the deficiency of low temperature processing just.
The content of the invention
It is a primary object of the present invention to provide a kind of helium recovery and purification system for aerostatics, by using
The helium crossed carries out direct purification, and helium after purification is sent directly into the capsula interna of aerostatics used, one side
Waste and the pollution environment of helium can be avoided, on the one hand can increase the aerostatics aerial residence time and stop high
Degree.
To achieve the above objectives, the technical solution adopted by the present invention is：A kind of helium recovery and purifying for aerostatics
System, the aerostatics includes being used to store the capsula interna of helium, it is characterised in that the system includes going out for inlet end and capsula interna
Compressor that the outlet side of low pressure buffer tank, inlet end and low pressure buffer tank that gas end is connected by pipeline is connected by pipeline,
Water-oil separating module, inlet end and water-oil separating module that the outlet side of inlet end and compressor is connected by the first pipeline goes out
The one-level that pressure-reduction module that gas end is connected by second pipe, inlet end are connected with the outlet side of pressure-reduction module by the 3rd pipeline
Separation module, the outlet side of the one-level separation module and the inlet end of capsula interna are connected by pipeline.
Preferably, the system also includes the helium that inlet end is connected by the 5th pipeline with the outlet side of water-oil separating module
Gas high pressure collection tubulature, the outlet side of the helium high pressure collection tubulature is connected by the 6th pipeline and the inlet end of water-oil separating module
Connect, controllable valve is provided with the second pipe, the 5th pipeline and the 6th pipeline.
Preferably, the system also includes two fractions that inlet end is connected with the tail gas end of one-level separation module by pipeline
From module, the outlet side of the second-order separation module is connected with the inlet end of low pressure buffer tank by pipeline.
Preferably, the water-oil separating module includes one or more oil water separator, when oil water separator is multiple
When, oil water separator is connected by placed in series.
Preferably, the device for discharging impurity is connected with water-oil separating module.
Preferably, the pressure-reduction module includes being arranged on pressure regulator valve on second pipe, the outlet side of the pressure regulator valve with
The inlet end connection of one-level separation module.
Preferably, the pressure-reduction module also includes being arranged on connection pressure regulator valve and the gas storage on the pipeline of one-level separation module
Tank.
Preferably, the air accumulator is one or more, and when air accumulator is multiple, air accumulator is set by placed in series
Put.
Preferably, the one-level separation module includes one or more membrane separator, when membrane separator is multiple, institute
Membrane separator is stated to be connected in parallel by pipeline.
Preferably, the second-order separation module includes a membrane separator.
Compared with prior art, the invention has the advantages that：
1) recovery and purification system are low for 60-90% using the double films parallel connections of one-level, the membrane separation technique of two-stage tandem
The raw material helium of concentration, on the one hand the double films of one-level are in parallel to reduce flow resistance, on the one hand improves UF membrane area and then improves
The efficiency of separation；The second-order separation improves organic efficiency, while improving the purity of outlet.Experiments verify that, the system can
60-90% dirty helium is purified into 95-98%, the rate of recovery >=90% is purified；
2) system integration can realize online purifying, and immediately can supply helium after purification in aerostatics
Aerostatics is used, and realizes the recycling of helium, improves the mean height of time that aerostatics stays aloft and stop
Degree；
3) system is also effective to contain standby helium including helium high pressure packaging, and helium high pressure collection tubulature is with dividing
A compressor is shared from module, realizes that helium enters helium high pressure collection tubulature or separation by being controlled to gate valve
Module, saves cost, while also improve the storage capacity of aerostatics helium, when extending the aerial stop of aerostatics
Between.
Brief description of the drawings
Fig. 1 is schematic diagram according to a preferred embodiment of the present invention.
Embodiment
Describe to be used to disclose the present invention below so that those skilled in the art can realize the present invention.It is excellent in describing below
Embodiment is selected to be only used as citing, it may occur to persons skilled in the art that other obvious modifications.
A kind of helium recovery and purification system for aerostatics, the aerostatics includes the capsula interna for being used to store helium,
As shown in figure 1, the system include the low pressure buffer tank 1 that the outlet side of inlet end and capsula interna connected by pipeline, inlet end with
The outlet side of high pressure compressor 2, inlet end and high pressure compressor 2 that the outlet side of low pressure buffer tank 1 is connected by pipeline passes through
The outlet side of water-oil separating module, inlet end and water-oil separating module that first pipeline 7 is connected passes through subtracting that second pipe 8 is connected
One-level separation module and inlet end and one that die block, inlet end are connected with the outlet side of pressure-reduction module by the 3rd pipeline 9
The second-order separation module that is connected by pipeline of tail gas end of level separation module, the one-level separation module goes out pure gas end by the
Four pipelines 10 are connected with the inlet end of the capsula interna of aerostatics 100, the second-order separation module go out pure gas end by pipeline with it is low
Pressure surge tank 1 is connected.
The high pressure compressor 2 is prior art, is no longer described in detail herein.The water-oil separating module is used to be removed into it
In helium in the impurity such as oil, water, particle, it includes one or more oil water separator 3, when with multiple profits point
During from device 3, oil water separator 3 is connected by placed in series, by multiple oil water separators 3 impurity in helium can be made to the greatest extent may be used
Energy ground is removed, it is preferable that the water-oil separating module has two oil water separators 3.Specifically, oil water separator 3 belongs to existing
There is technology, be no longer described in detail herein.Air inlet purity instrument 13 is provided with the outlet side of the water-oil separating module to measure from oil
The purity of the helium of water separation module discharge.The pipe the impurity such as profit to be discharged is provided with the lower section of oil water separator 3
Road, is directly discharged for some impurity being easily drained by pipeline, can be using machinery for the impurity of some more difficult discharges
Pump 15 is discharged.
Pressure of the pressure-reduction module to reduce the helium into one-level separation module.The pressure-reduction module includes adjusting
Pressure valve 41, pressure of the pressure regulator valve 41 to adjust helium on pipeline.Specifically, the pressure regulator valve 41 is pressure-reducing valve.
One or more high pressure that the pressure-reduction module 4 also includes being connected with the outlet side of pressure regulator valve 41 by pipeline is stored up
Gas tank 4, the high pressure tank 4 can further reduce the pressure of the helium entered in one-level separation module, when the height
Press air accumulator 4 for it is multiple when, high pressure tank 4 in being connected in series, by multiple high pressure tanks 4 can be multistage reduce entrance
To the pressure of the helium in one-level separation module, reduce the helium entered in one-level separation module flow velocity so that can to the greatest extent can
Realize the purifying of helium energy.Preferably, the high pressure tank 4 is two, both saves cost, in turn ensure that the pressure of helium
Power can be reduced to suitable size.The high pressure tank 4 uses prior art, is no longer described in detail herein.
The one-level separation module to helium to purify, and it includes one or more membrane separator 5, when with
During multiple membrane separators 5, membrane separator 5 is connected in parallel.From the helium after purification for going out pure gas end discharge of each membrane separator 5
Entered by the 4th pipeline 10 in aerostat internal capsule.Preferably, the membrane separator 5 is two, so both saves cost,
It in turn ensure that the purity of helium after purification.4th pipeline 10 is connected with outlet purity instrument to measure from one-level separation module
The gas for going out the discharge of pure gas end purity.
During the tail gas discharged from the tail gas end of each membrane separator 5 enters the second-order separation module, the second-order separation mould
Block includes the membrane separator 6 that inlet end is connected with each membrane separator 5 by pipeline, and the pure gas end that goes out of the membrane separator 6 leads to
Piping is connected to re-start purifying to the helium purified by the second-order separation module, both with the inlet end of low pressure buffer tank 1
Avoid the tail gas discharged from one-level separation module to be expelled directly out causing to waste, turn avoid in the capsula interna for entering aerostatics
Helium purity is too low.It is few due to entering the gas in membrane separator 6, therefore the membrane separator 6 is preferably one.
In the air for the tail gas discharge discharged from the tail gas end of the membrane separator 6.
The recovery and purification system also pass through the 5th pipeline 11 and the outlet side phase of water-oil separating module including inlet end
Helium high pressure collection tubulature 16 even, the helium high pressure collection tubulature 16 is used as standby helium equipped with high-pressure helium.The helium collection
Tubulature 16 is helium storage device, is prior art, is no longer described in detail herein.Divide on the pipeline 11 of second pipe 8 and the 5th
Gate valve GV2 and GV3 are not provided with, can be by from the water-oil separating mould by the opening or closing that control gate valve GV2 and GV3
The helium of block discharge is selectively entered helium high pressure collection tubulature 16 or pressure-reduction module and then enters one-level separation module
In.The outlet side of the helium high pressure collection tubulature 16 is connected by the 6th pipeline 12 with the inlet end of water-oil separating module, described
Gate valve GV4 is provided with 6th pipeline 12, can be carried out by opening gate valve GV4 to entering the helium in one-level separation module
Supplement so that the helium in entering the capsula interna of aerostatics keeps sufficient.Also, the helium in helium high pressure collection tubulature 16
When being purified (separation), it is no longer necessary to high pressure compressor 2, now need to close the valve V1 being arranged on the first pipeline 7.
The helium and purification system include PLC intelligence control systems, the control system and the valve and high pressure pressure in pipeline
Contracting machine is connected, and as needed can open or close and different valves as needed by high pressure pressure by control system
Contracting machine is opened or closed and then realizes different functions.The controller system includes touch-screen, by setting on the touchscreen
There is corresponding function button to realize the one-key start of difference in functionality.
General principle, principal character and the advantages of the present invention of the present invention has been shown and described above.The technology of the industry
Personnel are it should be appreciated that the present invention is not limited to the above embodiments, and that described in above-described embodiment and specification is the present invention
Principle, various changes and modifications of the present invention are possible without departing from the spirit and scope of the present invention, these change and
Improvement is both fallen within the range of claimed invention.The protection domain of application claims by appended claims and its
Equivalent is defined.
Claims (10)
1. a kind of helium recovery and purification system for aerostatics, the aerostatics includes the capsula interna for being used to store helium, its
Be characterised by, the system include the low pressure buffer tank that the outlet side of inlet end and capsula interna connected by pipeline, inlet end with it is low
What the outlet side of compressor, inlet end and compressor that the outlet side of pressure surge tank is connected by pipeline was connected by the first pipeline
Pressure-reduction module that the outlet side of water-oil separating module, inlet end and water-oil separating module is connected by second pipe, inlet end with
The one-level separation module that the outlet side of pressure-reduction module is connected by the 3rd pipeline, the outlet side of the one-level separation module and capsula interna
Inlet end connected by pipeline.
2. a kind of helium recovery and purification system for aerostatics according to claim 1, it is characterised in that the system
System also includes the helium high pressure collection tubulature that inlet end is connected by the 5th pipeline with the outlet side of water-oil separating module, the helium
The outlet side of high pressure collection tubulature is connected by the 6th pipeline with the inlet end of water-oil separating module, the second pipe, the 5th pipe
Controllable valve is provided with road and the 6th pipeline.
3. a kind of helium recovery and purification system for aerostatics according to claim 1 or 2, it is characterised in that also
The second-order separation module being connected including inlet end with the tail gas end of one-level separation module by pipeline, the second-order separation module
Outlet side is connected with the inlet end of low pressure buffer tank by pipeline.
4. a kind of helium recovery and purification system for aerostatics according to claim 3, it is characterised in that the oil
Water separation module includes one or more oil water separator, and when oil water separator is multiple, oil water separator passes through pipeline
It is connected in series.
5. a kind of helium recovery and purification system for aerostatics according to claim 4, it is characterised in that in profit
The device for discharging impurity is connected with separation module.
6. a kind of helium recovery and purification system for aerostatics according to claim 3, it is characterised in that described to subtract
Die block includes the pressure regulator valve being arranged on second pipe, and the outlet side of the pressure regulator valve connects with the inlet end of one-level separation module
Connect.
7. a kind of helium recovery and purification system for aerostatics according to claim 6, it is characterised in that described to subtract
Die block also includes being arranged on connection pressure regulator valve and the air accumulator on the pipeline of one-level separation module.
8. a kind of helium recovery and purification system for aerostatics according to claim 7, it is characterised in that the storage
Gas tank is one or more, and when air accumulator is multiple, air accumulator is set by placed in series.
9. a kind of helium recovery and purification system for aerostatics according to claim 3, it is characterised in that described one
Level separation module include one or more membrane separator, when membrane separator for it is multiple when, the membrane separator by pipeline simultaneously
Connection connection.
10. a kind of helium recovery and purification system for aerostatics according to claim 9, it is characterised in that described
The second-order separation module includes a membrane separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201720144207.5U CN206580560U (en) | 2017-02-17 | 2017-02-17 | A kind of helium recovery and purification system for aerostatics |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720144207.5U CN206580560U (en) | 2017-02-17 | 2017-02-17 | A kind of helium recovery and purification system for aerostatics |
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| CN206580560U true CN206580560U (en) | 2017-10-24 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829895A (en) * | 2017-02-17 | 2017-06-13 | 安徽万瑞冷电科技有限公司 | A kind of helium recovery and purification system for aerostatics |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106829895A (en) * | 2017-02-17 | 2017-06-13 | 安徽万瑞冷电科技有限公司 | A kind of helium recovery and purification system for aerostatics |
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