CN212675381U - PID automatic switching adsorption period system - Google Patents
PID automatic switching adsorption period system Download PDFInfo
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- CN212675381U CN212675381U CN202021921595.1U CN202021921595U CN212675381U CN 212675381 U CN212675381 U CN 212675381U CN 202021921595 U CN202021921595 U CN 202021921595U CN 212675381 U CN212675381 U CN 212675381U
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- 239000001301 oxygen Substances 0.000 claims abstract description 13
- 229910052760 oxygen Inorganic materials 0.000 claims abstract description 13
- MYMOFIZGZYHOMD-UHFFFAOYSA-N oxygen Chemical compound O=O MYMOFIZGZYHOMD-UHFFFAOYSA-N 0.000 claims abstract description 13
- IJGRMHOSHXDMSA-UHFFFAOYSA-N nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 239000002808 molecular sieve Substances 0.000 claims description 10
- 229910052757 nitrogen Inorganic materials 0.000 claims description 10
- PNEYBMLMFCGWSK-UHFFFAOYSA-N AI2O3 Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims description 6
- 230000003584 silencer Effects 0.000 claims description 5
- 230000000737 periodic Effects 0.000 abstract description 5
- 238000004458 analytical method Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 4
- 239000007789 gas Substances 0.000 description 19
- 238000007599 discharging Methods 0.000 description 3
- 239000003463 adsorbent Substances 0.000 description 2
- XKRFYHLGVUSROY-UHFFFAOYSA-N argon Chemical group [Ar] XKRFYHLGVUSROY-UHFFFAOYSA-N 0.000 description 1
- 238000004364 calculation method Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006011 modification reaction Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
- 230000026676 system process Effects 0.000 description 1
- 230000001702 transmitter Effects 0.000 description 1
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Abstract
The utility model discloses a PID automatic switch-over adsorbs periodic system, including the air inlet, the right-hand member fixedly connected with intake pipe one of air inlet, the lower extreme fixedly connected with air-blower of intake pipe one, the other end fixedly connected with adsorption tower A of air duct two, the other end fixedly connected with adsorption tower B of air duct one. This PID automatic switch-over adsorbs periodic system, after equipment operation is stable, can be by oneself according to adsorption tower pressure parameter and buffer tank pressure parameter automatic adjustment system oxygen station equipment operation cycle, so as to appear according to the weather reason, and equipment performance difference leads to shutting down and the accident that influences production, degree of automation is higher simultaneously, can not only improve work efficiency greatly, also for engineer's debugging has improved very big convenience, possess all-round control and intelligent analysis simultaneously, can not only carry out real-time supervision to the state of equipment operation, also can detect out the trouble that equipment exists through only the analysis, the security of equipment has been promoted greatly.
Description
Technical Field
The utility model relates to an automatic technical field specifically is PID automatic switch-over adsorption cycle system.
Background
With the development of society, the industrial automation level has become an important mark for measuring the modernization level of various industries, and the industrial automation comprises an automatic control system which can be divided into an open-loop control system and a closed-loop control system, wherein the control system comprises a control system, a sensor, a transmitter, an actuating mechanism, an input and output interface and the like.
However, most of existing adsorption period systems cannot automatically adjust the operation period of the oxygen generation station equipment according to the pressure parameters of the adsorption tower and the pressure parameters of the buffer tank after the equipment operates stably, and further, the production accidents are affected due to shutdown caused by weather reasons and equipment performance differences, so that the life safety of workers is seriously threatened, the service life of the equipment is greatly reduced, and the working efficiency is greatly reduced.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a PID automatic switch-over adsorption cycle system, after the equipment operation is stable in order to provide current most of adsorption cycle systems among the solution above-mentioned background art, can not be by oneself according to adsorption tower pressure parameter and buffer tank pressure parameter automatic adjustment system oxygen station equipment operation cycle, and then because weather reason and equipment performance difference lead to shutting down and influence the accident of production, not only seriously threaten staff's life safety, equipment life greatly reduced simultaneously, the problem of decline by a wide margin also can appear in work efficiency.
In order to achieve the above object, the present invention provides a preferred embodiment of the PID automatic switching adsorption cycle system, which comprises an air inlet, wherein the right end of the air inlet is fixedly connected with a first air inlet pipe, the lower end of the first air inlet pipe is fixedly connected with an air blower, the middle position of the first air inlet pipe is fixedly connected with a second air inlet pipe, the right end of the second air inlet pipe is fixedly connected with a ABb valve, the other end of the air blower is fixedly connected with a first air duct, the middle position of the upper end of the first air duct is fixedly connected with a second air duct, the other end of the second air duct is fixedly connected with an adsorption tower a, the upper end of the second air duct is fixedly connected with an a1 valve below the side of the adsorption tower a, the lower end of the adsorption tower a is fixedly connected with a first exhaust pipe on the right side of, the other end of the first air guide pipe is fixedly connected with an adsorption tower B, one end of the first air guide pipe, which is close to the adsorption tower B, is fixedly connected with a B1 valve, the lower end of the adsorption tower B is positioned on the right side of the first air guide pipe and is fixedly connected with an exhaust pipe II, the lower end of the exhaust pipe II is positioned on the right side of a B1 valve and is fixedly connected with a B3 valve, the upper end of the adsorption tower A is fixedly connected with an exhaust pipe III, one end of the exhaust pipe III, which is close to the adsorption tower A, is fixedly connected with an A2 valve, the other end of the exhaust pipe III is fixedly connected with a buffer tank, the upper end of the adsorption tower B is fixedly connected with an exhaust pipe IV, one end of the exhaust pipe IV, which is close to the adsorption tower B, is fixedly connected with a B2 valve, the other end of the exhaust, the other end of air duct three is located the left side fixedly connected with oxygen booster compressor of product buffer tank, the upper end fixedly connected with gas outlet on product buffer tank right side, the other end fixedly connected with blast pipe of blast pipe one is five, the upper end fixedly connected with gas vent of blast pipe five, the upper end of blast pipe five is located the left side fixedly connected with ABv valve of gas vent, the lower extreme fixedly connected with nitrogen discharging silencer of blast pipe five, the lower extreme of blast pipe five is located the left side fixedly connected with vacuum pump of nitrogen discharging silencer.
Preferably, the other end of the air inlet pipe I is communicated with the air guide pipe I, and the air outlet pipe I is communicated with the air outlet pipe II.
Preferably, the adsorption tower A and the adsorption tower B are both internally and fixedly provided with a molecular sieve and activated alumina.
Preferably, the second air guide pipe and the first exhaust pipe both extend to the inside of the adsorption tower A, and the first air guide pipe and the second exhaust pipe both extend to the inside of the adsorption tower B.
Compared with the prior art, the beneficial effects of the utility model are that:
this PID automatic switch-over adsorbs periodic system, after equipment operation is stable, can be by oneself according to adsorption tower pressure parameter and buffer tank pressure parameter automatic adjustment system oxygen station equipment operation cycle, so as to can appear according to the weather reason, and equipment performance difference leads to shutting down and the accident that influences production, this PID automatic switch-over adsorbs periodic system degree of automation is higher simultaneously, can not only improve work efficiency greatly, also for engineer's debugging has improved very big convenience simultaneously, this PID automatic switch-over adsorbs periodic system possesses all-round control and intelligent analysis, can not only carry out real-time supervision to the state of equipment operation, also can detect out the trouble that equipment exists through only the analysis, the security of equipment has been promoted greatly.
Drawings
FIG. 1 is a schematic view of the structure of the present invention;
FIG. 2 is a schematic view of the internal structure of an adsorption tower A of the present invention;
fig. 3 is a schematic view of the three-dimensional structure of the product buffer tank of the present invention.
In the figure: 1. an air inlet; 2. a first air inlet pipe; 3. a blower; 4. a second air inlet pipe; 5. ABb a valve; 6. a first gas guide pipe; 7. a second gas guide pipe; 8. an adsorption tower A; 9. an A1 valve; 10. a first exhaust pipe; 11. an A3 valve; 12. an adsorption tower B; 13. a B1 valve; 14. a second exhaust pipe; 15. a B3 valve; 16. a third exhaust pipe; 17. an A2 valve; 18. a buffer tank; 19. a fourth exhaust pipe; 20. a B2 valve; 21. ABr a valve; 22. a third gas guide pipe; 23. a product buffer tank; 24. an oxygen booster; 25. an air outlet; 26. a fifth exhaust pipe; 27. an exhaust port; 28. ABv a valve; 29. a nitrogen discharging muffler; 30. a vacuum pump; 101. a molecular sieve; 102. activated alumina.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, the present invention provides a technical solution: the PID automatic switching adsorption period system comprises an air inlet 1, wherein the right end of the air inlet 1 is fixedly connected with an air inlet pipe I2, the lower end of the air inlet pipe I2 is fixedly connected with a blower 3, the middle position of the air inlet pipe I2 is fixedly connected with an air inlet pipe II 4, the right end of the air inlet pipe II 4 is fixedly connected with a ABb valve 5, the other end of the blower 3 is fixedly connected with a gas guide pipe I6, the middle position of the upper end of the gas guide pipe I6 is fixedly connected with a gas guide pipe II 7, the other end of the gas guide pipe II 7 is fixedly connected with an adsorption tower A8, the upper end of the gas guide pipe II 7 is positioned below the lateral side of the adsorption tower A8 and is fixedly connected with an A1 valve 9, the lower end of the adsorption tower A8 is positioned on the right side of the gas guide pipe II 7 and is fixedly connected with an exhaust pipe I10, the lower end of the exhaust pipe I10 is positioned, the lower end of the adsorption tower B12 is positioned at the right side of the gas guide pipe I6 and is fixedly connected with a second exhaust pipe 14, the lower end of the second exhaust pipe 14 is positioned at the right side of the B1 valve 13 and is fixedly connected with a B3 valve 15, the upper end of the adsorption tower A8 is fixedly connected with a third exhaust pipe 16, one end of the third exhaust pipe 16, which is close to the adsorption tower A8, is fixedly connected with an A2 valve 17, the other end of the third exhaust pipe 16 is fixedly connected with a buffer tank 18, the upper end of the adsorption tower B12 is fixedly connected with a fourth exhaust pipe 19, one end of the fourth exhaust pipe 19, which is close to the adsorption tower B12, is fixedly connected with a B2 valve 20, the other end of the third exhaust pipe 16 is positioned between the adsorption tower B12 and the buffer tank 18 and is fixedly connected with a ABr valve 21, the lower end of the right side of the, the upper end fixedly connected with gas outlet 25 on product buffer tank 23 right side, the other end fixedly connected with of exhaust pipe 10 exhaust pipe five 26, the upper end fixedly connected with gas vent 27 of exhaust pipe five 26, the upper end of exhaust pipe five 26 is located the left side fixedly connected with ABv valve 28 of gas vent 27, the lower extreme fixedly connected with of exhaust pipe five 26 arranges nitrogen silencer 29, the lower extreme of exhaust pipe five 26 is located the left side fixedly connected with vacuum pump 30 of nitrogen silencer 29.
Furthermore, the other end of the air inlet pipe II 4 is communicated with the air guide pipe I6, the air outlet pipe I10 is communicated with the air outlet pipe II 14, and the air outlet pipe I10 is communicated with the air outlet pipe II 14, so that the gas to be exhausted in the adsorption tower A8 and the adsorption tower B12 can be exhausted simultaneously.
Furthermore, the molecular sieve 101 and the activated alumina 102 are fixedly arranged inside the adsorption tower A8 and the adsorption tower B12, and the arrangement of the molecular sieve 101 and the activated alumina 102 can effectively adsorb nitrogen molecules in the air.
Further, the second air duct 7 and the first exhaust pipe 10 both extend to the inside of the adsorption tower A8, the first air duct 6 and the second exhaust pipe 14 both extend to the inside of the adsorption tower B12, and the first air duct 6 and the second air duct 7 both extend to the inside of the adsorption tower B12 and the adsorption tower A8, so that the air can be well ensured to enter the inside of the adsorption tower B12 and the adsorption tower A8.
The working principle is as follows: firstly, air enters the interior of an air inlet pipe I2 and an air inlet pipe II 4 through an air inlet 1, then enters an adsorption tower A8 or an adsorption tower B12 filled with a molecular sieve 101 and activated alumina 102 through an air guide pipe I6 and an air guide pipe II 7 under the conveying of a blower 3, when the air flows through a molecular sieve 101 fixed bed layer in the tower, nitrogen molecules in the air are diffused into solids in the molecular sieve 101 under the adsorption action force, oxygen molecules and argon atoms enter a buffer tank 18 through an exhaust pipe III 16 and an exhaust pipe IV 19 through the bed layer, are pressurized to the using pressure of a client through an oxygen booster 24, then are conveyed to the interior of a product buffer tank 23 through an air guide pipe III 22, and are output to a user through an air outlet 25, and after adsorption for a period, nitrogen molecules are filled in particles in the molecular sieve 101 to reach the adsorption saturation stage, at the moment, a ABb valve is closed, the other tower which is just vacuumized is flushed by utilizing the oxygen-enriched air in the tower, the pressure equalizing valve is closed when the pressure is reduced to a certain value, the vacuum pump 30 is opened to vacuumize the tower body, the nitrogen is discharged from the exhaust port 27, the oxygen-enriched air in the other tower and part of product gas in the buffer tank 18 are utilized to flush the molecular sieve 101 after the certain vacuum degree is reached, so that the adsorbent is thoroughly desorbed, the product gas is used for pressurizing the adsorption tower A8 and the adsorption tower B12 after the desorption process of the adsorbent is completed, the buffer valve is closed after the pressure is pressurized to a certain low vacuum value, the blower 3 is opened to pressurize the adsorption tower A8 and the adsorption tower B12, preparation is made for next adsorption, a PID automatic switching adsorption period system integrates 25 program control time sequences according to the system process and complicated time sequence calculation, finally simplifies to 5 program control time sequences, and can automatically adjust the operation period of the oxygen generation station equipment according to the pressure parameters of the adsorption tower A8 and the adsorption tower B12 and the pressure parameter of the buffer tank 18, high promotion system oxygen station automation high-tech level, also for the engineer debugging has improved very big convenience.
It should be finally noted that the above only serves to illustrate the technical solution of the present invention, and not to limit the scope of the present invention, and that simple modifications or equivalent replacements performed by those skilled in the art to the technical solution of the present invention do not depart from the spirit and scope of the technical solution of the present invention.
Claims (4)
- PID automatic switching adsorption cycle system, including air inlet (1), its characterized in that: the air inlet device is characterized in that a first air inlet pipe (2) is fixedly connected to the right end of the air inlet (1), an air blower (3) is fixedly connected to the lower end of the first air inlet pipe (2), a second air inlet pipe (4) is fixedly connected to the middle position of the first air inlet pipe (2), a ABb valve (5) is fixedly connected to the right end of the second air inlet pipe (4), a first air guide pipe (6) is fixedly connected to the other end of the air blower (3), a second air guide pipe (7) is fixedly connected to the middle position of the upper end of the first air guide pipe (6), an adsorption tower A (8) is fixedly connected to the other end of the second air guide pipe (7), an A1 valve (9) is fixedly connected to the lower end of the second air guide pipe (7), a first exhaust pipe (10) is fixedly connected to the right side of the A1 valve (9), and an A3 valve (11) is fixedly connected to the lower end of, the other end of the air duct I (6) is fixedly connected with an adsorption tower B (12), one end of the air duct I (6) close to the adsorption tower B (12) is fixedly connected with a B1 valve (13), the lower end of the adsorption tower B (12) is positioned on the right side of the air duct I (6) and is fixedly connected with an exhaust pipe II (14), the lower end of the exhaust pipe II (14) is positioned on the right side of the B1 valve (13) and is fixedly connected with a B3 valve (15), the upper end of the adsorption tower A (8) is fixedly connected with an exhaust pipe III (16), one end of the exhaust pipe III (16) close to the adsorption tower A (8) is fixedly connected with an A2 valve (17), the other end of the exhaust pipe III (16) is fixedly connected with a buffer tank (18), the upper end of the adsorption tower B (12) is fixedly connected with an exhaust pipe IV (19), one end of the exhaust pipe IV (19) close to, the other end of the exhaust pipe III (16) is positioned between an adsorption tower B (12) and a buffer tank (18) and is fixedly connected with an ABr valve (21), the lower end on the right side of the buffer tank (18) is fixedly connected with an air guide pipe III (22), the other end of the air guide pipe III (22) is fixedly connected with a product buffer tank (23), the other end of the air guide pipe III (22) is positioned on the left side of the product buffer tank (23) and is fixedly connected with an oxygen supercharger (24), the upper end on the right side of the product buffer tank (23) is fixedly connected with an air outlet (25), the other end of the exhaust pipe I (10) is fixedly connected with an exhaust pipe V (26), the upper end of the exhaust pipe V (26) is fixedly connected with an exhaust port (27), the upper end of the exhaust pipe V (26) is positioned on the left side of the exhaust port (27) and is, the lower end of the exhaust pipe five (26) is positioned on the left side of the nitrogen exhaust silencer (29) and is fixedly connected with a vacuum pump (30).
- 2. The PID auto-switching adsorption cycle system of claim 1, wherein: the other end of the air inlet pipe II (4) is communicated with the air guide pipe I (6), and the air outlet pipe I (10) is communicated with the air outlet pipe II (14).
- 3. The PID auto-switching adsorption cycle system of claim 1, wherein: and the adsorption tower A (8) and the adsorption tower B (12) are both fixedly provided with a molecular sieve (101) and activated alumina (102).
- 4. The PID auto-switching adsorption cycle system of claim 1, wherein: the second air guide pipe (7) and the first exhaust pipe (10) both extend to the inside of the adsorption tower A (8), and the first air guide pipe (6) and the second exhaust pipe (14) both extend to the inside of the adsorption tower B (12).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021921595.1U CN212675381U (en) | 2020-09-04 | 2020-09-04 | PID automatic switching adsorption period system |
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| CN202021921595.1U CN212675381U (en) | 2020-09-04 | 2020-09-04 | PID automatic switching adsorption period system |
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| CN212675381U true CN212675381U (en) | 2021-03-09 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733317A (en) * | 2022-05-10 | 2022-07-12 | 威海柏林圣康空氧科技有限公司 | Multi-level molecular sieve adsorption tower device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114733317A (en) * | 2022-05-10 | 2022-07-12 | 威海柏林圣康空氧科技有限公司 | Multi-level molecular sieve adsorption tower device |
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