CN208282496U - A kind of Full distillation purification recycling argon system without expanding machine - Google Patents
A kind of Full distillation purification recycling argon system without expanding machine Download PDFInfo
- Publication number
- CN208282496U CN208282496U CN201820863087.9U CN201820863087U CN208282496U CN 208282496 U CN208282496 U CN 208282496U CN 201820863087 U CN201820863087 U CN 201820863087U CN 208282496 U CN208282496 U CN 208282496U
- Authority
- CN
- China
- Prior art keywords
- pipeline
- deoxidation tower
- argon column
- pure argon
- reboiler
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Withdrawn - After Issue
Links
- XKRFYHLGVUSROY-UHFFFAOYSA-N Argon Chemical compound [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 title claims abstract description 280
- 229910052786 argon Inorganic materials 0.000 title claims abstract description 140
- 238000000746 purification Methods 0.000 title claims abstract description 35
- 238000004821 distillation Methods 0.000 title claims abstract description 31
- 238000004064 recycling Methods 0.000 title claims abstract description 25
- 239000007789 gas Substances 0.000 claims abstract description 39
- 239000007788 liquid Substances 0.000 claims abstract description 21
- 230000001105 regulatory effect Effects 0.000 claims description 20
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 6
- 239000001301 oxygen Substances 0.000 claims description 6
- 229910052760 oxygen Inorganic materials 0.000 claims description 6
- 238000001816 cooling Methods 0.000 abstract description 11
- 238000000034 method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- UFHFLCQGNIYNRP-UHFFFAOYSA-N Hydrogen Chemical compound [H][H] UFHFLCQGNIYNRP-UHFFFAOYSA-N 0.000 abstract description 3
- 239000001257 hydrogen Substances 0.000 abstract description 3
- 229910052739 hydrogen Inorganic materials 0.000 abstract description 3
- 230000009466 transformation Effects 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 2
- 238000009835 boiling Methods 0.000 description 2
- 238000009833 condensation Methods 0.000 description 2
- 230000005494 condensation Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000006227 byproduct Substances 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 238000009776 industrial production Methods 0.000 description 1
- 239000011261 inert gas Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000000047 product Substances 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000004408 titanium dioxide Substances 0.000 description 1
- 238000009834 vaporization Methods 0.000 description 1
- 230000008016 vaporization Effects 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Separation By Low-Temperature Treatments (AREA)
Abstract
The utility model discloses a kind of Full distillation purification recycling argon systems without expanding machine, comprising: feed gas compressor, purification system, recycle compressor, ice chest, and the main heat exchanger, deoxidation tower and the pure argon column that are set in ice chest;Deoxidation tower bottom is equipped with deoxidation tower reboiler, and top is equipped with deoxidation tower condenser/evaporator;Pure argon column bottom is equipped with pure argon column reboiler, and top is equipped with pure argon column condenser/evaporator, and the top of deoxidation tower is with the top of pure argon column by being connected to recycle compressor through main heat exchanger after pipeline confluence;Recycle compressor is respectively communicated with deoxidation tower reboiler and pure argon column reboiler through main heat exchanger by pipeline.Full distillation purification recycling argon system provided by the utility model, is added liquid argon by system and provides cooling capacity, purify argon gas with Full distillation method, eliminate deoxidization by adding hydrogen step, simplify production procedure, improve production efficiency.
Description
Technical field
The utility model relates to a kind of methods of gas separation more particularly to a kind of Full distillation without expanding machine to purify back
Receive argon system.
Background technique
Argon gas is a kind of inert gas of no color or smell, molecular formula Ar, molecular weight 39.95, and vapour pressure is
202.64kPa (- 179 DEG C), -189.2 DEG C of fusing point, -185.7 DEG C of boiling point.In the industrial production, argon gas is often used as a kind of high
The protective gas of effect, use are very extensive.
The main source of argon gas is from big space division as byproduct output.It is generally had in the matched space division of steel plant
Pure argon generates.In the field for doing protection gas using argon gas, after argon gas use, it will usually it is mixed into about 5% air, remaining
95% or more argon gas can be vented because contaminated.Cause the waste of resource.
Therefore, those skilled in the art is dedicated to the argon gas of the Methods For Purification pollution of exploitation low temperature Full distillation.
Utility model content
The utility model is to solve the above problem in the prior art, propose it is a kind of cold by replenisher compacting and without expansion
The Full distillation purification recycling argon system and method for machine.
To achieve the above object, the utility model uses following technical scheme:
The utility model provides a kind of Full distillation purification recycling argon system without expanding machine, comprising: unstripped gas compression
Machine, purification system, recycle compressor, ice chest, and the main heat exchanger, deoxidation tower and the pure argon column that are set in the ice chest;Its
In:
The feed gas compressor is by pipeline successively through the purification system, the main heat exchanger and the deoxidation tower
Middle part connection;
The deoxidation tower bottom is equipped with deoxidation tower reboiler, and top is equipped with deoxidation tower condenser/evaporator;The deoxidation tower
Middle and upper part passes through pipeline respectively and is connected to the deoxidation tower condenser/evaporator, is connected to by pipeline with the middle part of the pure argon column;
The deoxidation tower condenser/evaporator is connected to the middle and upper part of the deoxidation tower by pipeline;The bottom of the deoxidation tower is passed through by pipeline
The main heat exchanger is connected to the external world of the ice chest;
The pure argon column bottom is equipped with pure argon column reboiler, and top is equipped with pure argon column condenser/evaporator;The pure argon column
Middle and upper part passes through pipeline respectively and is connected to through the main heat exchanger with the ice chest external world, is steamed by pipeline and pure argon column condensation
Send out device connection;The pure argon column condenser/evaporator is connected to the middle and upper part of the pure argon column by pipeline;The bottom of the pure argon column
It is connected to through the main heat exchanger with the ice chest external world by pipeline;The pure argon column reboiler is connected to the smart argon by pipeline
The top of tower;And
The top of the deoxidation tower is with the top of the pure argon column by being connected to institute through the main heat exchanger after pipeline confluence
State recycle compressor;The recycle compressor is respectively communicated with the deoxidation tower reboiler and institute through the main heat exchanger by pipeline
State pure argon column reboiler.
Further, in the Full distillation purification recycling argon system, the deoxidation tower reboiler passes through pipe respectively
Road is connected to the top of the deoxidation tower and the pure argon column.
It is further preferred that in the described Full distillation purification recycling argon system, the deoxidation tower reboiler with it is described
The 4th regulating valve is provided on pipeline between at the top of deoxidation tower;Between at the top of the deoxidation tower reboiler and the pure argon column
Third regulating valve is provided on pipeline.
Further, in the Full distillation purification recycling argon system, in the main heat exchanger and the deoxidation tower
The first regulating valve is provided in connecting pipe between portion;The top of the deoxidation tower leads to the company between pure argon column middle part
The second regulating valve is provided on adapter tube road.
Further, in the Full distillation purification recycling argon system, the pure argon column reboiler and the smart argon
The 5th regulating valve is provided in connecting pipe between top of tower.
Further, in the Full distillation purification recycling argon system, pass through pipeline and dress at the top of the deoxidation tower
The 6th regulating valve being located on the pipeline is connected to the additional liquid argon of system in the ice chest external world.
Further, in the described Full distillation purification recycling argon system, the recycle compressor also pass through pipeline with
User's connection.
Further, in the Full distillation purification recycling argon system, deoxidation tower essence is provided by deoxidation tower reboiler
Required gas is evaporated, liquid needed for providing rectifying as deoxidation tower condenser/evaporator for deoxidation tower;In step 3, by pure argon column
Reboiler provides gas required for pure argon column rectifying, liquid needed for providing rectifying as pure argon column condenser/evaporator for pure argon column
Body.
Further, it is recycled in argon system in the Full distillation purification, the low temperature maintenance, main heat exchanger in ice chest
Cooling capacity required for re-heat is lost mainly is provided by the additional liquid argon of the system, and cooling capacity is transported in ice chest by the argon gas recycled
Each equipment.
The utility model by adopting the above technical scheme, compared with prior art, has the following technical effect that
Full distillation purification recycling argon system provided by the utility model without expanding machine, matches primarily directed to coal chemical industry
It is specific using cryogenic rectification method purification crude argon to cover space division, liquid argon offer cooling capacity is added by system, purifies argon with Full distillation method
Gas eliminates deoxidization by adding hydrogen step, simplifies production procedure, improves production efficiency;Moreover, Full distillation purification recycling argon gas
Deoxidation tower and pure argon column are incorporated into an ice chest by system, and complete equipment is safer, stablizes.
Detailed description of the invention
Fig. 1 is that a kind of frame structure of the Full distillation purification recycling argon system without expanding machine of the utility model is illustrated
Figure.
Specific embodiment
The utility model is described in more detail below by specific embodiment, for a better understanding of this reality
With novel, but following embodiments are not intended to limit the scope of the utility model.
Embodiment 1
As shown in Figure 1, present embodiments providing a kind of Full distillation purification recycling argon system without expanding machine, comprising:
Feed gas compressor 1, purification system 2, recycle compressor 12, ice chest 17, and the main heat exchanger 3, de- being set in ice chest 17
Oxygen column 5 and pure argon column 9;Wherein:
By pipeline, successively purified system 2, main heat exchanger 3 are connected to feed gas compressor 1 with the middle part of deoxidation tower 5;
5 bottom of deoxidation tower is equipped with deoxidation tower reboiler 6, and top is equipped with deoxidation tower condenser/evaporator 7;On in deoxidation tower 5
Portion passes through pipeline respectively and is connected to deoxidation tower condenser/evaporator 7, is connected to by pipeline with the middle part of pure argon column 9;Deoxidation tower condensation
Evaporator 7 is connected to the middle and upper part of deoxidation tower 5 by pipeline;The bottom of deoxidation tower 5 is by pipeline through main heat exchanger 3 and ice chest 17
External world's connection;
9 bottom of pure argon column is equipped with pure argon column reboiler 10, and top is equipped with pure argon column condenser/evaporator 11;In pure argon column 9
Top passes through pipeline respectively and is connected to through main heat exchanger 3 with 17 external world of ice chest, is connected to by pipeline with pure argon column condenser/evaporator 11;
Pure argon column condenser/evaporator 11 is connected to the middle and upper part of pure argon column 9 by pipeline;The bottom of pure argon column 9 is by pipeline through main heat exchanger
3 are connected to 17 external world of ice chest;Pure argon column reboiler 10 is connected to the top of pure argon column 9 by pipeline;And
The top of deoxidation tower 5 is with the top of pure argon column 9 by being connected to recycle compressor through main heat exchanger 3 after pipeline confluence
12;Recycle compressor 12 is respectively communicated with deoxidation tower reboiler 6 and pure argon column reboiler 10 through main heat exchanger 3 by pipeline.
In the present embodiment, deoxidation tower reboiler 6 is connected to the top of deoxidation tower 5 and pure argon column 9 by pipeline respectively.Deoxidation
The 4th regulating valve 14 is provided on pipeline between 5 top of tower reboiler 6 and deoxidation tower;Deoxidation tower reboiler 6 and pure argon column 9 push up
Third regulating valve 13 is provided on pipeline between portion.
In the present embodiment, the first regulating valve 4 is provided in the connecting pipe between 5 middle part of main heat exchanger 3 and deoxidation tower;
The second regulating valve 8 is provided in the logical connecting pipe between 9 middle part of pure argon column in the top of deoxidation tower 5.
In the present embodiment, the 5th tune is provided in the connecting pipe between 9 top of pure argon column reboiler 10 and pure argon column
Save valve 15.
In the present embodiment, pass through pipeline and the 6th regulating valve 16 and ice chest that are installed on the pipeline at the top of deoxidation tower 5
The 17 extraneous additional liquid argon connections of system.
In the present embodiment, recycle compressor 12 is also connected to by pipeline with user, by the extra argon of recycle compressor 12
Gas is by pipeline to user.
Embodiment 2
The present embodiment provides a kind of applications of Full distillation purification recycling argon system without expanding machine, please refer to Fig. 1 institute
Show, crude argon is (containing Ar :~94.9%, O2 :~4%;N2 :~1%, CO :~1000ppm) it is compressed by feed gas compressor 1
To 0.1-1.0MPaA, cooler cools to~40 DEG C, goes water removal (dew-point temperature < -70 DEG C) and titanium dioxide by purification system 2
Carbon (content < 1ppm) is cooled to condensing temperature (- 170~-180 DEG C) into the main heat exchanger 3 in ice chest 17 in it, is passed through
Enter 5 middle and lower part of deoxidation tower after the throttling of first regulating valve 4.In deoxidation tower 5, the deoxidation tower reboiler 6 of tower bottom provides deoxidation tower
Essence 5 evaporates required gas, and the deoxidation tower condenser/evaporator 7 of tower top is liquid needed for deoxidation tower 5 provides rectifying.Oxygen component quilt
It is separated in the liquid of 5 tower bottom of deoxidation tower.Oxygen content < 1.5ppm deoxidation crude argon is obtained at the top of deoxidation tower 5, by second
After regulating valve 8 controls, into 9 middle part of pure argon column.
It is that pure argon column 9 provides that the foundation of 9 rectifying operating condition of pure argon column, which is also by the pure argon column condenser/evaporator 11 of top of tower,
Liquid needed for rectifying, the pure argon column reboiler 10 of tower bottom are gas needed for pure argon column 9 provides rectifying.In pure argon column 9
What is mainly deviate from is the component than argon gas low boiling point such as nitrogen, CO, obtains satisfactory high-purity argon gas in the bottom of pure argon column 9
(containing N2 < 4ppm) is sent into main heat exchanger 3 after gas after extraction and recycles cooling capacity submitting ice chest 17.It is closed with the extra argon gas of circulator
After and, by pipeline to user.
Cooling capacity required for low temperature in ice chest 17 maintains, the re-heat of main heat exchanger 3 is lost mainly is mentioned by the liquid argon being added
For cooling capacity is transported to each equipment in ice chest by the argon gas recycled.The argon gas come out from ice chest 17 is pressed by recycle compressor 12
It is reduced to 0.2~1MPaA, then cools to 40 DEG C through cooler, is divided into two parts, it is most of to participate in circulation, fraction and product
Argon gas gives user after merging.
Participate in circulation into the main heat exchanger 3 in ice chest 17, the gas to be backflowed be cooled to liquefaction point (temperature about-
It is 164~180 DEG C, related with operating pressure), it is divided into two parts, the deoxidation tower reboiler 6 that a part enters 5 bottom of deoxidation tower is high
Warm side discharges heat by phase transformation, vaporizes the liquid of low temperature side, provide gas for 5 rectifying of deoxidation tower, itself be liquefied as liquid
Body.Another part enters 10 high temperature side of pure argon column reboiler of 9 bottom of pure argon column, discharges heat by phase transformation, vaporizes low temperature side
Liquid, provide gas for 9 rectifying of pure argon column.It itself is liquefied as liquid.Deoxidation tower reboiler 6 and pure argon column reboiler 10 go out
Enter deoxidation tower condenser/evaporator 7 and pure argon column condenser/evaporator 11, cooling deoxidation tower 5 and pure argon column 9 after the liquid throttling come
The gas at top provides rectifying liquid for two rectifying columns.Addition liquid argon outside the system of cooling capacity is provided for entire ice chest 17 also to lead to
Piping and the 6th regulating valve 16 are sent into deoxidation tower condenser/evaporator 7.After liquid vaporization itself, pass through 3 re-heat of main heat exchanger
Cooling box 17, into 12 pressurized circulation of recycle compressor.
The advantage of the utility model is that liquid argon is added by system to provide cooling capacity, purifies argon gas with Full distillation method, eliminates
Deoxidization by adding hydrogen step.Complete equipment is safer, stablizes.
Specific embodiment of the utility model is described in detail above, but it is merely an example, this is practical new
Type is not restricted to particular embodiments described above.To those skilled in the art, any pair of the utility model carries out
Equivalent modifications and substitution also all among the scope of the utility model.Therefore, in the spirit and model for not departing from the utility model
Lower made equal transformation and modification are enclosed, should all be covered in the scope of the utility model.
Claims (7)
1. a kind of Full distillation purification recycling argon system without expanding machine characterized by comprising feed gas compressor (1),
Purification system (2), recycle compressor (12), ice chest (17), and the main heat exchanger (3), de- being set in the ice chest (17)
Oxygen column (5) and pure argon column (9);Wherein:
The feed gas compressor (1) is successively taken off through the purification system (2), the main heat exchanger (3) with described by pipeline
The middle part of oxygen column (5) is connected to;
Deoxidation tower (5) bottom is equipped with deoxidation tower reboiler (6), and top is equipped with deoxidation tower condenser/evaporator (7);The deoxidation
The middle and upper part of tower (5) passes through pipeline respectively and is connected to the deoxidation tower condenser/evaporator (7), by pipeline and the pure argon column
(9) middle part connection;The deoxidation tower condenser/evaporator (7) is connected to the middle and upper part of the deoxidation tower (5) by pipeline;It is described de-
The bottom of oxygen column (5) is connected to through the main heat exchanger (3) with the external world of the ice chest (17) by pipeline;
Pure argon column (9) bottom is equipped with pure argon column reboiler (10), and top is equipped with pure argon column condenser/evaporator (11);The essence
The middle and upper part of argon column (9) pass through respectively pipeline through the main heat exchanger (3) and the ice chest (17) it is extraneous be connected to, by pipeline and
Pure argon column condenser/evaporator (11) connection;The pure argon column condenser/evaporator (11) is connected to the pure argon column by pipeline
(9) middle and upper part;The bottom of the pure argon column (9) is extraneous even through the main heat exchanger (3) and the ice chest (17) by pipeline
It is logical;The pure argon column reboiler (10) is connected to the top of the pure argon column (9) by pipeline;And
The top of the deoxidation tower (5) and the top of the pure argon column (9) connect after being converged by pipeline through the main heat exchanger (3)
Lead to the recycle compressor (12);The recycle compressor (12) is respectively communicated with by pipeline through the main heat exchanger (3) described
Deoxidation tower reboiler (6) and the pure argon column reboiler (10).
2. Full distillation purification recycling argon system according to claim 1, which is characterized in that the deoxidation tower reboiler
(6) top of the deoxidation tower (5) and the pure argon column (9) is connected to by pipeline respectively.
3. Full distillation purification recycling argon system according to claim 2, which is characterized in that the deoxidation tower reboiler
(6) the 4th regulating valve (14) is provided on the pipeline between the deoxidation tower (5) top;The deoxidation tower reboiler (6) with
Third regulating valve (13) are provided on pipeline between at the top of the pure argon column (9).
4. Full distillation according to claim 1 purification recycling argon system, which is characterized in that the main heat exchanger (3) with
The first regulating valve (4) are provided in connecting pipe between in the middle part of the deoxidation tower (5);The top of the deoxidation tower (5) it is logical with
The second regulating valve (8) are provided in connecting pipe between in the middle part of the pure argon column (9).
5. Full distillation purification recycling argon system according to claim 1, which is characterized in that the pure argon column reboiler
(10) the 5th regulating valve (15) is provided in the connecting pipe between the pure argon column (9) top.
6. Full distillation purification recycling argon system according to claim 1, which is characterized in that at the top of the deoxidation tower (5)
It is connected to by pipeline and the 6th regulating valve (16) being installed on the pipeline with the additional liquid argon of system in the ice chest (17) external world.
7. Full distillation purification recycling argon system according to claim 1, which is characterized in that the recycle compressor (12)
Also it is connected to by pipeline with user.
Priority Applications (1)
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CN201820863087.9U CN208282496U (en) | 2018-06-05 | 2018-06-05 | A kind of Full distillation purification recycling argon system without expanding machine |
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CN201820863087.9U CN208282496U (en) | 2018-06-05 | 2018-06-05 | A kind of Full distillation purification recycling argon system without expanding machine |
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Family
ID=64706752
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CN201820863087.9U Withdrawn - After Issue CN208282496U (en) | 2018-06-05 | 2018-06-05 | A kind of Full distillation purification recycling argon system without expanding machine |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507276A (en) * | 2018-06-05 | 2018-09-07 | 上海联风能源科技有限公司 | A kind of Full distillation purification recycling argon system and method without expanding machine |
-
2018
- 2018-06-05 CN CN201820863087.9U patent/CN208282496U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108507276A (en) * | 2018-06-05 | 2018-09-07 | 上海联风能源科技有限公司 | A kind of Full distillation purification recycling argon system and method without expanding machine |
CN108507276B (en) * | 2018-06-05 | 2024-08-09 | 上海联风气体有限公司 | System and method for recycling argon through full rectification purification without expander |
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