CN105300031B - A kind of startup method for quickly going out oxygen - Google Patents
A kind of startup method for quickly going out oxygen Download PDFInfo
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- CN105300031B CN105300031B CN201510779729.8A CN201510779729A CN105300031B CN 105300031 B CN105300031 B CN 105300031B CN 201510779729 A CN201510779729 A CN 201510779729A CN 105300031 B CN105300031 B CN 105300031B
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- valve
- liquid
- oxygen
- air
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 36
- 239000001301 oxygen Substances 0.000 title claims abstract description 36
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 13
- 239000007788 liquid Substances 0.000 claims abstract description 42
- MYMOFIZGZYHOMD-UHFFFAOYSA-N Dioxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 15
- 238000001816 cooling Methods 0.000 claims abstract description 8
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 38
- 230000001105 regulatory effect Effects 0.000 claims description 25
- 239000007789 gas Substances 0.000 claims description 24
- 229910052757 nitrogen Inorganic materials 0.000 claims description 19
- 210000004712 air sac Anatomy 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 230000008929 regeneration Effects 0.000 claims description 4
- 238000011069 regeneration method Methods 0.000 claims description 4
- 238000010438 heat treatment Methods 0.000 claims description 3
- 239000002808 molecular sieve Substances 0.000 claims description 3
- 238000004080 punching Methods 0.000 claims description 3
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 3
- 238000004134 energy conservation Methods 0.000 abstract description 3
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 3
- 229910052802 copper Inorganic materials 0.000 description 3
- 239000010949 copper Substances 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 238000007254 oxidation reaction Methods 0.000 description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000007689 inspection Methods 0.000 description 2
- 238000003723 Smelting Methods 0.000 description 1
- 238000010009 beating Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003647 oxidation Effects 0.000 description 1
- 230000036632 reaction speed Effects 0.000 description 1
- 238000007670 refining Methods 0.000 description 1
- 238000000926 separation method Methods 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 present invention relates to a kind of startup method for quickly going out oxygen.The present invention beats liquid using deep cooling, quickly goes out oxygen startup method, oxygen can be gone out in 24 hours safety compliances, the time shortens half, the kilowatt hour of energy-conservation power consumption 60000, multiplex 9 cubes of liquid oxygen.
Description
Technical field
Beat liquid the invention belongs to deep cooling oxygen field, more particularly to a kind of deep cooling, quickly go out the startup method of oxygen.
Background technology
It is 20.95% that Copper making, which used the oxygen content in air oxidation, air, in the past, and oxygen purity is relatively low, to copper smelting
Oxidation reaction during refining is slower, and corresponding production cost is higher.The oxygen purity that oxygen generation system is produced is used for more than 99%,
Oxidation reaction speed during Copper making is increased significantly, reduces production cost.
However, the oxygen generation system in currently available technology often exist deep cooling start the time longer (48 hours), go out oxygen it is slow,
The defect of power consumption many (many kilowatt hours of power consumption 60000) during startup.
The content of the invention
In order to solve drawbacks described above in the prior art, the present invention beats liquid using deep cooling, quickly goes out oxygen startup method, can be small 24
When safety compliance go out oxygen, the time shortens half, the kilowatt hour of energy-conservation power consumption 60000, multiplex 9 cubes of liquid oxygen.Specific offer of the invention
Following technical scheme：
A kind of startup method for quickly going out oxygen, it is characterised in that comprise the following steps：
1) each entry condition of air compressor machine is met, starts air compressor machine, main behaviour judges to open entry guide vane to 30 degree according to sound, adjusted
Fuel-economizing temperature ensures in 30-34 degree, treats that oil temperature is stablized each temperature and do not risen, opens air and go out air compressor machine pneumatic control valve V1011
It is inflated to molecular sieve；Start to boost to 0.35 MPa, set up air cooling tower liquid level, air compressor machine boosts to 0.45 MPa, leads and change again
Instrument supply gas；Hand sluice valve V1216 is opened, regeneration gas is made in air decompression, and regulation flow to 7000 cubic metres per hour, transport by purifying input
OK；
2) open air enter fractionating column main valve Butterfly Valves with Gear Actuator V1218 give fractionating column inflation, slow valve opening to 20 degree,
When pressure is the same before and after valve, air is at the uniform velocity entered into fractionating column main valve V1218 standard-sized sheets, the first low temperature air bladder is opened during punching press
Angle type regulating valve V1, liquid air throttles into Shang Ta, opens the second low temperature air bladder angle type regulating valve V2 to standard-sized sheet, liquid nitrogen throttle into
Upper tower；Low-temp angular stop valve V11 is opened to 70% position, the lower tower liquid nitrogen of control；Open the pneumatic regulating butterfly valve of the first gas force closed type
V104, for oxygen emptying regulation；The pneumatic regulating butterfly valve V107 of the second gas force closed type is opened, for nitrogen regulation；3rd gas force closed type
Pneumatic regulating butterfly valve V109 is used for the regulation of dirty nitrogen, to adjust tower pressure interior force；
3) start 1#, 2# expanding machine, live all valves are all opened, start 1# expanding machines, nozzle is quickly reached 60 degree,
About 25500 turns of expanding machine rotating speed, same method starts 2# expanding machines, and expanding machine rotating speed is transferred into 29000-32000 turns, after machine
The degree of temperature control -175 is to -180 degree, until tower to reach and can beat liquid below -173 degree under fractionating column；
4) liquid oxygen vessel prepares 15 cubic metres of liquid oxygen, by storage tank pressure boost to 0.2-0.3 MPas, starts cold to beat to leading
Liquid, upper tower pressure is 40 kPas or so, because storage tank pressure is higher than upper tower pressure, so storage tank liquid oxygen can be got to main cold, master
When in cold liquid level to 2500 millimeters, about with 9.5 cubic metres of liquid oxygen, liquid is beaten in stopping；The slow V11 that opens sets up lower tower liquid air, slowly
V2 is opened, when lower tower has liquid air, V1 is slowly opened manually, Liquid air level is when 500, and V1 gets to automated location, V11 to 70%
Put, V2 reaches 78-81 degree；After each parameter is stable, stop an expanding machine, give its heating；V104 regulation oxygen flows are arrived
4000 cubic metres per hour, and to 9000 cubic metres per hour, V109 gets to automated location and sets 31 kPas V107 regulation nitrogen flows；
Notice oxygen on stove is treated, the pneumatic regulating butterfly valve V105 of the 4th gas force closed type is opened and starts oxygen compressor, close V104 oxygen emptying valves.
The advantage of the invention is that：
1st, oxygen can be gone out in 24 hours safety compliances, the time shortens half, in the past with 48 hours.
2nd, open that workshop is disconnected can be with the kilowatt hour of energy-conservation power consumption 60000.
3rd, fly still stove has temporary derangement when, workshop can quickly go out oxygen and send oxygen, it is cost-effective.
4th, in unexpected tripping operation power-off, quickly starting device can go out oxygen, reduction off-time, production operation can be improved
Rate.
Brief description of the drawings
Fig. 1 is the inventive method schematic flow sheet
Embodiment
1. meeting each entry condition of air compressor machine, start air compressor machine, main behaviour judges to open entry guide vane to 30 degree according to sound, patrolled
Regulation oil temperature ensures that in 30-34 degree live inspection compressor operation situation, main behaviour observes each service data to inspection person in time, rises
Whether trend is steady, treats that oil temperature is stablized each temperature and do not risen, normal log table, sees whether each data are normal before control
Afterwards, V1011 (gas force open type regulating valves are opened；Air goes out air compressor machine pneumatic control valve) it is inflated to molecular sieve；Start to boost to 0.35 million
Handkerchief, sets up air cooling tower liquid level, and air compressor machine boosts to 0.45 MPa, leads and change instrument supply gas again.Open V1216 (hand sluice valves；Air subtracts
Pressure makees regeneration gas) regeneration gas is made of air, to 7000 cubic metres per hour, purifying puts into operation regulation flow.
2. open V1218 (Butterfly Valves with Gear Actuators；Air enters fractionating column main valve) fractionating column inflation is given, valve opening personnel take intercommunication
Machine is maintained close ties with main behaviour, notes air compressor machine pressure, slow valve opening is to 20 degree, when pressure is the same before and after valve, at the uniform velocity by V1218
Standard-sized sheet, opens V1 (low temperature air bladder angle type regulating valves during punching press；Liquid air throttles into Shang Ta).V2 (adjust by low temperature air bladder angie type
Save valve；Liquid nitrogen throttles into Shang Ta) arrive standard-sized sheet, V11 (low-temp angular stop valves：The lower tower liquid nitrogen of control) to 70% position, open V104
(the pneumatic regulating butterfly valve of gas force closed type；Oxygen emptying is adjusted).V107 (the pneumatic regulating butterfly valves of gas force closed type；Nitrogen is adjusted).V109 is (gas-tight
The pneumatic regulating butterfly valve of formula；Dirty nitrogen regulation) regulation tower pressure interior force.Gas is punched in from startup water pump to tower, is shared about 6.5 hours.
3. meeting each entry condition of expanding machine, start 1#.2# expanding machines, live all valves are all opened, start 1# expansions
Machine, quickly reaches 60 degree, about 25500 turns, inspector regulates oil temperature oil pressure, same sample prescription with main behaviour's close ties by nozzle
Method starts 2# expanding machines, and expanding machine rotating speed is transferred into 29000-32000 turns, and the degree of temperature control -175 (cannot be below -180 after machine
Degree).Until under fractionating column tower reach -173 degree below can beat liquid, cold tower is about needed 15 hours.
4. liquid oxygen vessel prepares 15 cubic metres of liquid oxygen, by storage tank pressure boost to 0.2-0.3 MPas, the main steady good air compressor machine of behaviour
Pressure, start to it is main it is cold beat liquid, upper tower pressure is 40 kPas or so, because storage tank pressure is higher than upper tower pressure, so storage tank liquid
Oxygen can be got to, and master is cold, and when in main cold liquid level to 2500 millimeters, about 9.5 cubic metres, liquid is beaten in stopping, (it is main it is cold have after liquid oxygen, can be with
Quickly the high-purity nitrogen with lower top of tower exchanges heat, and produces liquid nitrogen as tower phegma up and down, carries out the separation of air；Do not have such as
Have liquid oxygen, then need slowly to carry out it is naked it is cold set up liquid level, it is short that lower top of tower nitrogen can not quickly be condensed into tower under liquid nitrogen, upper
There is no phegma in time, air, which does not just reach, to be completely separated) it is main it is cold set up after liquid oxygen liquid level, it is slow to open V11 to 70%
Position, sets up lower tower liquid air, main manipulation makes air compressor machine pressure, slowly opens V2, when lower tower has liquid air, and V1 is slowly opened manually, liquid
Empty liquid level gets to automated location when 500, and V11 to 70% position, V2 reaches 78-81 degree.After each parameter is stable, stop
Only an expanding machine, gives its heating.To 4000 cubic metres per hour, V107 regulation nitrogen flows are arrived V104 regulation oxygen flows
9000 cubic metres per hour, and V109 gets to automated location and sets 31 kPas, and from beating, regulation operating mode after liquid is small to oxygen about 1 is smoothly gone out
When.(such a 23 hours or so startup method used time).Notice oxygen on stove is treated, V105 is opened and starts oxygen compressor, close V104 oxygen
Atmospheric valve.
Claims (1)
1. a kind of startup method for quickly going out oxygen, it is characterised in that comprise the following steps：
1) each entry condition of air compressor machine is met, starts air compressor machine, opens entry guide vane to 30 degree, regulation oil temperature ensures in 30-34 degree,
Treat that oil temperature is stablized each temperature and no longer risen, opening air goes out air compressor machine pneumatic control valve and is inflated to molecular sieve；Start to boost to
0.35 MPa, air cooling tower liquid level is set up, air compressor machine boosts to 0.45 MPa, leads and change instrument supply gas again；Hand sluice valve is opened, air subtracts
Pressure makees regeneration gas, and to 7000 cubic metres per hour, purifying puts into operation regulation flow；
2) open air and enter the main valve Butterfly Valves with Gear Actuator of fractionating column and give fractionating column inflation, slow valve opening is to 20 degree, before and after treating valve
When pressure is the same, air is at the uniform velocity entered into fractionating column main valve standard-sized sheet, the first low temperature air bladder angle type regulating valve, liquid are opened during punching press
Sky throttles into Shang Ta, opens the second low temperature air bladder angle type regulating valve to standard-sized sheet, liquid nitrogen throttles into Shang Ta；Open low temperature angie type
Stop valve is to 70% position, tower liquid nitrogen under control；The pneumatic regulating butterfly valve of the first gas force closed type is opened, for oxygen emptying regulation；Beat
The pneumatic regulating butterfly valve of the second gas force closed type is opened, for nitrogen regulation；The 3rd pneumatic regulating butterfly valve of gas force closed type is used for the regulation of dirty nitrogen,
To adjust tower pressure interior force；
3) start 1#, 2# expanding machine, live all valves are all opened, start 1# expanding machines, nozzle is quickly reached into 60 degree, expansion
25500 turns of machine rotating speed, same method starts 2# expanding machines, and expanding machine rotating speed is transferred into 29000-32000 turns, temperature control after machine
The degree of system -175 is to -180 degree, until tower to reach and can beat liquid below -173 degree under fractionating column；
4) liquid oxygen vessel prepare 15 cubic metres of liquid oxygen, by storage tank pressure boost to 0.2-0.3 MPas, start to lead it is cold beat liquid, on
Pressure tower is 40 kPas, because storage tank pressure is higher than upper tower pressure, so to be got to fractionating column master cold for storage tank liquid oxygen, main cold liquid
When on position to 2500 millimeters, liquid is beaten in stopping；Slow low-temp angular stop valve of opening sets up lower tower liquid air, slowly opens the second low temperature gas
Dynamic film angle type regulating valve, when lower tower has liquid air, slowly opens the first low temperature air bladder angle type regulating valve, Liquid air level is fast manually
During to 500, the first low temperature air bladder angle type regulating valve gets to automated location, low-temp angular stop valve to 70% position, second
Low temperature air bladder angle type regulating valve reaches 78-81 degree；After each parameter is stable, stop an expanding machine, give its heating；The
To 4000 cubic metres per hour, the pneumatic regulating butterfly valve of the second gas force closed type is adjusted the pneumatic regulating butterfly valve regulation oxygen flow of one gas force closed type
Nitrogen flow to 9000 cubic metres per hour, get to automated location and set 31 kPas by the 3rd pneumatic regulating butterfly valve of gas force closed type；Treat on stove
Notice oxygen, opens the pneumatic regulating butterfly valve of the 4th gas force closed type and starts oxygen compressor, close the pneumatic regulating butterfly valve of the first gas force closed type.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779729.8A CN105300031B (en) | 2015-11-11 | 2015-11-11 | A kind of startup method for quickly going out oxygen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510779729.8A CN105300031B (en) | 2015-11-11 | 2015-11-11 | A kind of startup method for quickly going out oxygen |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105300031A CN105300031A (en) | 2016-02-03 |
| CN105300031B true CN105300031B (en) | 2017-07-11 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510779729.8A Active CN105300031B (en) | 2015-11-11 | 2015-11-11 | A kind of startup method for quickly going out oxygen |
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| Country | Link |
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|---|---|---|---|---|
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| CN202126142U (en) * | 2011-04-14 | 2012-01-25 | 浙江远大空分设备有限公司 | Air separation device capable of rapidly putting into rectification operation |
| CN202747733U (en) * | 2012-08-06 | 2013-02-20 | 济南鲍德气体有限公司 | Quick start device of oxygen generator |
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| CN104482719A (en) * | 2014-12-16 | 2015-04-01 | 新余钢铁集团有限公司 | Back-filling device for low-temperature liquid |
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|---|---|---|---|---|
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2015
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|---|---|---|---|---|
| GB798584A (en) * | 1956-12-18 | 1958-07-23 | Union Carbide Corp | Process and apparatus for separating gas mixtures |
| CN1119607C (en) * | 1994-07-29 | 2003-08-27 | 液体空气乔治洛德方法利用和研究的具有监督和管理委员会的有限公司 | Process and installation for production of gaseous oxygen under pressure at variable flow rate |
| KR20030046251A (en) * | 2001-12-05 | 2003-06-12 | 주식회사 포스코 | Method for decreasing the cooling operation time of an air separation unit |
| CN202126142U (en) * | 2011-04-14 | 2012-01-25 | 浙江远大空分设备有限公司 | Air separation device capable of rapidly putting into rectification operation |
| CN102997616A (en) * | 2011-09-10 | 2013-03-27 | 鞍钢股份有限公司 | Method for quickly preparing oxygen and argon |
| CN103575064A (en) * | 2012-07-23 | 2014-02-12 | 中国石油化工股份有限公司 | Device and method for oxygen and nitrogen separation through air and rapid increase of pressure nitrogen loads |
| CN103575064B (en) * | 2012-07-23 | 2015-10-28 | 中国石油化工股份有限公司 | A kind of air separation oxygen nitrogen increases the device and method of pressure nitrogen gas load fast |
| CN202747733U (en) * | 2012-08-06 | 2013-02-20 | 济南鲍德气体有限公司 | Quick start device of oxygen generator |
| CN104482719A (en) * | 2014-12-16 | 2015-04-01 | 新余钢铁集团有限公司 | Back-filling device for low-temperature liquid |
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| CN105300031A (en) | 2016-02-03 |
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