CN203540306U - Air compression system - Google Patents
Air compression system Download PDFInfo
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- CN203540306U CN203540306U CN201320700093.XU CN201320700093U CN203540306U CN 203540306 U CN203540306 U CN 203540306U CN 201320700093 U CN201320700093 U CN 201320700093U CN 203540306 U CN203540306 U CN 203540306U
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- Prior art keywords
- air
- compression system
- adsorption drying
- electric heater
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- 230000006835 compression Effects 0.000 title claims abstract description 32
- 238000007906 compression Methods 0.000 title claims abstract description 32
- 238000001179 sorption measurement Methods 0.000 claims abstract description 45
- 238000001035 drying Methods 0.000 claims abstract description 42
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 24
- 239000007789 gas Substances 0.000 claims abstract description 24
- 230000001105 regulatory effect Effects 0.000 claims abstract description 12
- 238000004140 cleaning Methods 0.000 claims abstract description 9
- 230000008929 regeneration Effects 0.000 claims description 20
- 238000011069 regeneration method Methods 0.000 claims description 20
- 230000000274 adsorptive effect Effects 0.000 claims description 19
- 229910052757 nitrogen Inorganic materials 0.000 claims description 11
- 239000002808 molecular sieve Substances 0.000 claims description 7
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical group [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims description 7
- 239000007788 liquid Substances 0.000 claims description 5
- 230000007306 turnover Effects 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 4
- 239000000428 dust Substances 0.000 claims description 3
- 239000002699 waste material Substances 0.000 abstract description 7
- 230000001172 regenerating effect Effects 0.000 abstract description 4
- 229910001873 dinitrogen Inorganic materials 0.000 abstract 2
- 238000003915 air pollution Methods 0.000 abstract 1
- 238000013461 design Methods 0.000 description 4
- 239000012535 impurity Substances 0.000 description 4
- 238000010521 absorption reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000007613 environmental effect Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 238000004064 recycling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 230000006378 damage Effects 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
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Abstract
The utility model relates to an air compression system. The air compression system comprises an air compressor, a self-cleaning type air filter, air adsorption drying machines, an electric heater and a plurality of automatic regulating valves, wherein an air inlet pipe of the air compressor is connected with the self-cleaning type air filter, an air outlet pipe of the air compressor is connected with the two groups of air adsorption drying machines in parallel, and the automatic regulating valves are arranged at the openings of the air inlet pipes and the air outlet pipes of the two groups of air adsorption drying machines; a dew-point instrument, a long-pass thermometer, a long-pass flowmeter and a long-pass pressure gauge are sequentially arranged on a pipe collecting line of the air outlet pipes of the two groups of air adsorption drying machines; the collecting pipe of the air outlet pipes is connected with a gas pipe of a user; and the air outlet pipe of the air compressor is connected with the electric heater, and a check valve is arranged on an air inlet and outlet pipeline of the electric heater. According to the air compression system, a regenerative air source of the air adsorption drying machines is changed to effectively utilize waste nitrogen gas exhausted from a fractionating tower, reduce the using amount of compression air and recycle the waste nitrogen gas exhausted from the fractionating tower. The waste of 5% of designing flow for the air compression system can be reduced, the exhaust gas amount is reduced and the air pollution can be reduced.
Description
Technical field
The utility model relates to a kind of air compression system, belongs to a plurality of fields such as oil, chemical industry.
Background technology
Air compression system is important energy source indispensable in modern plant, and the automation of various industries and or instrument control equipment all need pure compressed air to carry out running operation, and general air compression system is all to carry out compressed air with air compressor, makes the air pressure of an atmospheric pressure shorten pressure-air into and use for system.But because can contain moisture and impurity in compressed air, thus need absorption drying system to remove airborne moisture and impurity, to reduce the injury to machine or instrument of moisture and impurity.
Current large-scale air compression system generally adopts adsorptive drier absorption to remove moisture in air, and adsorptive drier is used the air after electric heater heating to regenerate to the molecular sieve in adsorptive drier.General adsorptive drier design is capacity at amount of coalbed methane generated 5%.Regeneration gas is used dryer to give vent to anger, mainly that the moisture of regeneration gas be there are certain requirements, and the dirty gas after having regenerated directly discharges in atmosphere, to processing dry qualified compressed-air actuated a kind of waste so on the one hand, the tolerance of regenerating is on the other hand also a kind of burden concerning the larger user of gas consumption, can be because regeneration tolerance is compared with large and cannot meet need of production.
Utility model content
The purpose of this utility model is to provide a kind of air compression system, and this system, by air separation process, makes its gas effciency reach 99%, compares the gas that can save compressed air design flow 5%-6% with traditional approach.Solved gas flow and cannot meet the problem of producing and causing a large amount of wastes of gas, also made compressed air dew point lower, adsorption effect is better.
The technical solution of the utility model is: a kind of air compression system, comprise, and air compressor, is characterized in that, also comprises self-cleaning air filter, air adsorption drying machine, electric heater and a plurality of automatic regulating valve; This air compressor air inlet pipe is connecting air cleaner, this escape pipe two groups of air adsorption drying machines that are being connected in parallel, and the inlet, outlet mouth of pipe place of these two groups of air adsorption drying machines, is all equipped with autocontrol valve; On the header line of the escape pipe of these two groups of air adsorption drying machines, dew point hygrometer is housed successively, teletransmission thermometer, remote control liquid flowmeter, distance-transmission pressure gauge; This escape pipe header is connected with tracheae with user's; The pipeline of giving vent to anger of this air compressor is connected with electric heater, on this electric heater turnover gas pipeline, is provided with check-valves.
Further, the flowmeter accuracy arranging on described pipeline, is accurate to 0.01M
3/ h, thermometer is accurate to 0.1 ℃, and dew point hygrometer is accurate to 0.1 ℃.
Further, described air cleaner is provided with automatic back blow device, is provided with automatic regulating valve in blowback lines.
Further, described air compressor is three grades of compressions, is provided with three grades of coolers, oil removal filter and oil cooler;
Further, two groups of described air adsorption drying machines, in one group of when work, one group of regeneration, two groups of adsorptive drier switching times, can modify by PLC program.
Further, described air adsorption drying machine is provided with electric heater, and electric heater is heated to 160-200 ℃ by regeneration gas, and adsorptive drier is regenerated.
Further, in described air adsorption drying machine, adsorption dry medium is molecular sieve.
Further, in described air adsorption drying machine, be provided with dust guard.
Further, described air adsorption drying machine is provided with independent PLC control system, and PLC control system is controlled the duty of air adsorption drying machine and electric heater, and the state of automatic regulating valve.
Further, the regeneration gas of described electric heater heating is the dirty nitrogen from fractionating column output.
The utility model, by changing the regeneration source of the gas of air adsorption drying machine, can effectively utilize the outer row's of fractionating column dirty nitrogen, and reduce compressed-air actuated use amount, the outer row's that recycling fractionating column produces dirty nitrogen.By this utility model air compression system 5% design flow that can at least cut the waste, and reduce outer capacity, reduce the pollution to air, environmental protection is played a role.The own water content of dirty nitrogen that fractionating column produces is little, and the molecular sieve in the adsorptive drier that is used for regenerating can reach better adsorption effect, and compressed air dew point can be controlled in below-60 ℃.
Accompanying drawing explanation
Accompanying drawing is used to provide further understanding of the present utility model, and forms a part for description, is used from explanation the utility model with embodiment mono-of the present utility model, does not form restriction of the present utility model.In accompanying drawing:
Fig. 1 is the air compression system block schematic diagram of prior art.
Fig. 2 is the schematic diagram of a kind of air compression system embodiment of the present utility model.
In figure: 1-self-cleaning strainer, 2-air compressor, 3-adsorptive drier, 4-electric heater, 5-fractionating column, 6-user, 7-switch board, 8-autocontrol valve, 9-check-valves, 10-dew point hygrometer, 11-teletransmission thermometer, 12-remote control liquid flowmeter, 13-distance-transmission pressure gauge, 14-filter, 15-compressor, 16-drying machine.
The specific embodiment
Below in conjunction with accompanying drawing, to the utility model and embodiment, be described in detail, accompanying drawing 2 is schematic diagrames of a kind of air compression system embodiment of the present utility model.As can be seen from the figure, a kind of air compression system, comprises, air compressor 2, also comprises, self-cleaning strainer 1, air adsorption drying machine 3, electric heater 4 and a plurality of automatic regulating valve 8, switch board 7; These air compressor 2 air inlet pipe are connecting self-cleaning air filter 1, and this escape pipe parallel way is connecting two groups of air adsorption drying machines 3, and the inlet, outlet mouth of pipe place of these two groups of air adsorption drying machines 3, is all equipped with autocontrol valve 8; On the header line of the escape pipe of these two groups of air adsorption drying machines 3, dew point hygrometer 10 is housed successively, teletransmission thermometer 11, remote control liquid flowmeter 12, distance-transmission pressure gauge 13; This escape pipe header is connected with tracheae with user's; On the pipeline of giving vent to anger of this air compressor, be connected with electric heater 4, on these electric heater 4 turnover gas pipelines, be provided with check-valves 9.
Further, flowmeter 12 precision that arrange on described pipeline, are accurate to 0.01M
3/ h, thermometer 11 is accurate to 0.1 ℃, and dew point hygrometer 10 is accurate to 0.1 ℃.
Further, described self-cleaning air filter 1 is provided with automatic back blow device, is provided with automatic regulating valve 8 in blowback lines.
Further, described air compressor 2 is three grades of compressions, is provided with three grades of coolers, oil removal filter and oil cooler;
Further, during 3, one groups of work of described two groups of air adsorption drying machines, one group of regeneration, two groups of 3 switching times of adsorptive drier, can modify by PLC program.
Further, described air adsorption drying machine 3 is provided with electric heater, and electric heater is heated to 160-200 ℃ by regeneration gas, and adsorptive drier is regenerated.
Further, the interior adsorption dry medium of described air adsorption drying machine 3 is molecular sieve.
Further, in described air adsorption drying machine 3, be provided with dust guard.
Further, described air adsorption drying machine 3 is provided with independent PLC control system, and PLC control system is controlled the duty of air adsorption drying machine and electric heater, and the state of automatic regulating valve.
Further, the regeneration gas of described electric heater 4 heating is the dirty nitrogen from fractionating column output.
The course of work of the present utility model is:
Atmosphere is removed large granular impurity in air after self-cleaning strainer 1 filters, air enters air compressor 2 and is compressed to and enters air adsorption drying machine 3 after setting pressure and be dried except moisture content, wherein adsorptive drier 3 is two groups of drying chambers, a job, another regeneration.Regeneration can arrange by the parameters of adsorptive drier in switch board 3 interval time.The regeneration pipeline of adsorptive drier 3 connects electric heater 4, and electric heater 4 is heated from the dirty nitrogen of fractionating column 5 generations to the molecular sieve that enters 3 pairs of the insides of adsorptive drier of regeneration after 180-220 ℃ and regenerated by energising.Compressed air dew point after adsorption dry can reach-60 ℃, enters gas transmission pipeline net work to each user.
Wherein be used for the dirty nitrogen producing from fractionating column 5 in the regeneration gas of positive absorption drying machine 3.
Wherein in adsorptive drier inlet line, connect and be used for the electric heater 4 of regeneration, wherein adsorptive drier 3 is controlled by switch board 7 with the working procedure of electric heater 4.
Wherein on electric heater turnover pipeline, be provided with check-valves 9, to prevent that air from altering the stable operation of the system of impact mutually.
Wherein on adsorptive drier turnover pipeline, be provided with automatic regulating valve 8, the switch of valve is also by the programme-control in switch board 7.
Wherein on gas supply line, be provided with dew point hygrometer 10, remote control liquid flowmeter 11, teletransmission thermometer 12, distance-transmission pressure gauge 13, and these data are all sent on Control Room operating computer for compressed air is monitored.
The utility model, by changing the regeneration source of the gas of air adsorption drying machine, can effectively utilize the outer row's of fractionating column dirty nitrogen, and reduce compressed-air actuated use amount, the outer row's that recycling fractionating column produces dirty nitrogen.By this utility model air compression system 5% design flow that can at least cut the waste, and reduce outer capacity, reduce the pollution to air, environmental protection is played a role.The own water content of dirty nitrogen that fractionating column produces is little, and the molecular sieve in the adsorptive drier that is used for regenerating can reach better adsorption effect, and compressed air dew point can be controlled in below-60 ℃.
The foregoing is only embodiment of the present utility model, be not limited to the utility model, although the utility model is had been described in detail with reference to previous embodiment, for a person skilled in the art, its technical scheme that still can record previous embodiment is modified, or part technical characterictic is wherein equal to replacement.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., within all should being included in protection domain of the present utility model.
Claims (10)
1. an air compression system, comprises, air compressor is characterized in that, also comprises self-cleaning air filter, air adsorption drying machine, electric heater and a plurality of automatic regulating valve; This air compressor air inlet pipe is connecting air cleaner, and this air cleaner escape pipe is in parallel, is connecting two groups of air adsorption drying machines, and the inlet, outlet mouth of pipe place of these two groups of air adsorption drying machines, is all equipped with autocontrol valve; On the header line of the escape pipe of these two groups of air adsorption drying machines, dew point hygrometer is housed successively, teletransmission thermometer, remote control liquid flowmeter, distance-transmission pressure gauge; This escape pipe header is connected with air pipe inlet with user's; The pipeline of giving vent to anger of this air compressor is connected with electric heater, on this electric heater turnover gas pipeline, is provided with check-valves.
2. according to a kind of air compression system claimed in claim 1, it is characterized in that, the flowmeter accuracy arranging on pipeline, is accurate to 0.01M
3/ h, thermometer is accurate to 0.1 ℃, and dew point hygrometer is accurate to 0.1 ℃.
3. according to a kind of air compression system claimed in claim 1, it is characterized in that, described air cleaner is provided with automatic back blow device, is provided with automatic regulating valve in blowback lines.
4. according to a kind of air compression system claimed in claim 1, it is characterized in that, described air compressor is three grades of compressions, is provided with three grades of coolers, oil removal filter and oil coolers.
5. according to a kind of air compression system claimed in claim 1, it is characterized in that, two groups of described air adsorption drying machines, in one group of when work, one group of regeneration, two groups of adsorptive drier switching times, can modify by PLC program.
6. according to a kind of air compression system claimed in claim 5, it is characterized in that, described air adsorption drying machine is provided with electric heater, and electric heater is heated to 160-200 ℃ by regeneration gas, and adsorptive drier is regenerated.
7. according to a kind of air compression system claimed in claim 6, it is characterized in that, in described air adsorption drying machine, adsorption dry medium is molecular sieve.
8. according to a kind of air compression system claimed in claim 7, it is characterized in that, in described air adsorption drying machine, be provided with dust guard.
9. according to a kind of air compression system claimed in claim 8, it is characterized in that, described air adsorption drying machine is provided with independent PLC control system, and PLC control system is controlled the duty of air adsorption drying machine and electric heater, and the state of automatic regulating valve.
10. according to a kind of air compression system claimed in claim 1, it is characterized in that, the regeneration gas of described electric heater heating is the dirty nitrogen from fractionating column output.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700093.XU CN203540306U (en) | 2013-11-08 | 2013-11-08 | Air compression system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320700093.XU CN203540306U (en) | 2013-11-08 | 2013-11-08 | Air compression system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203540306U true CN203540306U (en) | 2014-04-16 |
Family
ID=50458476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320700093.XU Expired - Lifetime CN203540306U (en) | 2013-11-08 | 2013-11-08 | Air compression system |
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| Country | Link |
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| CN (1) | CN203540306U (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485064A (en) * | 2015-12-11 | 2016-04-13 | 成都瑞柯林工程技术有限公司 | Air compression system and air compression method |
| CN105727685A (en) * | 2016-04-22 | 2016-07-06 | 莱芜钢铁集团电子有限公司 | Automatic control method and device for molecular sieve air regeneration valve |
| CN107930353A (en) * | 2017-12-25 | 2018-04-20 | 扬州电力设备修造厂有限公司 | A kind of hydrogen cooled generator hydrogen dryer |
| CN108579352A (en) * | 2018-06-25 | 2018-09-28 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of drying system and its control method for compressed gas |
| CN109316909A (en) * | 2018-12-10 | 2019-02-12 | 攀枝花钢企欣宇化工有限公司 | Air molecule sieves drying system |
| CN111054190A (en) * | 2019-12-28 | 2020-04-24 | 宁波杭州湾新区祥源动力供应有限公司 | Linkage control system and method for compressed air dew point temperature main pipe |
-
2013
- 2013-11-08 CN CN201320700093.XU patent/CN203540306U/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105485064A (en) * | 2015-12-11 | 2016-04-13 | 成都瑞柯林工程技术有限公司 | Air compression system and air compression method |
| CN105727685A (en) * | 2016-04-22 | 2016-07-06 | 莱芜钢铁集团电子有限公司 | Automatic control method and device for molecular sieve air regeneration valve |
| CN105727685B (en) * | 2016-04-22 | 2018-06-29 | 莱芜钢铁集团电子有限公司 | A kind of autocontrol method and device of molecular sieve air regenesis valve |
| CN107930353A (en) * | 2017-12-25 | 2018-04-20 | 扬州电力设备修造厂有限公司 | A kind of hydrogen cooled generator hydrogen dryer |
| CN108579352A (en) * | 2018-06-25 | 2018-09-28 | 长沙经济技术开发区祥原动力供应有限公司 | A kind of drying system and its control method for compressed gas |
| CN109316909A (en) * | 2018-12-10 | 2019-02-12 | 攀枝花钢企欣宇化工有限公司 | Air molecule sieves drying system |
| CN111054190A (en) * | 2019-12-28 | 2020-04-24 | 宁波杭州湾新区祥源动力供应有限公司 | Linkage control system and method for compressed air dew point temperature main pipe |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term |
Granted publication date: 20140416 |
|
| CX01 | Expiry of patent term |