CN214399826U - Pressure swing adsorption nitrogen making device - Google Patents
Pressure swing adsorption nitrogen making device Download PDFInfo
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- CN214399826U CN214399826U CN202022312437.2U CN202022312437U CN214399826U CN 214399826 U CN214399826 U CN 214399826U CN 202022312437 U CN202022312437 U CN 202022312437U CN 214399826 U CN214399826 U CN 214399826U
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- solenoid valve
- pressure swing
- adsorption tower
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Abstract
The utility model discloses a pressure swing adsorption nitrogen plant, including gas holder, nitrogen gas concentration detector and fifth solenoid valve, gas holder middle part one side threaded connection has the nitrogen gas concentration detector, gas holder bottom pipe hoop is connected with the pipeline of giving vent to anger, pipeline middle part pipe hoop is connected with the backflow pipeline, backflow pipeline middle part flange joint has the fifth solenoid valve, backflow pipeline one end pipe hoop is connected with the adsorption tower. Has the advantages that: the utility model discloses a set up nitrogen gas concentration detector, fifth solenoid valve and backflow pipeline, can detect the nitrogen gas of production at nitrogen gas concentration detector and can not reach the operation requirement after, close fourth solenoid valve and first solenoid valve, open the fifth solenoid valve for unqualified nitrogen gas purifies once more in entering into the adsorption tower from the backflow pipeline, can not cause the waste of resource, can promote the speed and the purity of purification once more moreover, and the enhancement equipment practicality improves production efficiency.
Description
Technical Field
The utility model relates to a nitrogen plant technical field, concretely relates to pressure swing adsorption nitrogen plant.
Background
The nitrogen making device takes air as a raw material, nitrogen in the air is extracted through certain steps, and the device for obtaining the nitrogen with higher purity is a pressure swing adsorption nitrogen making device which is a device for separating the nitrogen in the air from other gases by using a pressure swing adsorption method in the preparation process of the nitrogen.
The existing pressure swing adsorption nitrogen making device can directly discharge the nitrogen into the air when producing unqualified nitrogen, the prior work is wasted, the resource waste is caused, a large amount of time can be wasted, the production efficiency is reduced, in addition, the existing pressure swing adsorption nitrogen making device can ensure that the temperature of the compressed air entering an adsorption tower is in a normal temperature state for eliminating the water vapor in the compressed air, a freeze dryer is needed to be used, the large space can be occupied, a large amount of electric energy can be consumed, the energy waste is caused, the environmental protection is not facilitated, and therefore the existing problem is solved by the pressure swing adsorption nitrogen making device.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
In order to overcome the defects of the prior art, the pressure swing adsorption nitrogen making device is provided, and the problems that the prior pressure swing adsorption nitrogen making device can directly discharge unqualified nitrogen into the air when producing the unqualified nitrogen, so that the prior work is wasted, resources are wasted, a large amount of time is wasted, and the production efficiency is reduced are solved.
(II) technical scheme
The utility model discloses a following technical scheme realizes: the utility model provides a pressure swing adsorption nitrogen plant, including gas holder, nitrogen gas concentration detector and fifth solenoid valve, gas holder middle part one side threaded connection has the nitrogen gas concentration detector, gas holder bottom pipe hoop is connected with the pipeline of giving vent to anger, pipeline of giving vent to anger middle part pipe hoop is connected with the backflow pipeline, backflow pipeline middle part flange joint has the fifth solenoid valve, backflow pipeline one end pipe hoop is connected with the adsorption tower, pipeline one end flange joint of giving vent to anger has the fourth solenoid valve.
Furthermore, the pipe hoop at the upper end of the adsorption tower is connected with a gas storage pipeline, the middle part of the gas storage pipeline is connected with a third electromagnetic valve through a flange, and one end of the gas storage pipeline is connected with the pipe hoop of the gas storage tank.
By adopting the technical scheme, after the adsorption tower separates out the nitrogen, the generated nitrogen is stored in the gas storage tank from the opened third electromagnetic valve and the gas storage pipeline.
Further, the pipe hoop at the lower end of the adsorption tower is connected with an exhaust pipeline, and the middle part of the exhaust pipeline is connected with a second electromagnetic valve through a flange.
By adopting the technical scheme, after the adsorption tower reaches the state of adsorption saturation, the second electromagnetic valve is opened, so that the residual gas in the adsorption tower is discharged from the exhaust pipe to the adsorption tower, and the nitrogen is conveniently separated again.
Further, a pipe hoop on one side of the adsorption tower is connected with an air inlet pipeline, and the air inlet pipeline is close to one side of the adsorption tower and is connected with a first electromagnetic valve through a flange.
Through adopting above-mentioned technical scheme, make pure compressed air from open first solenoid valve with the admission line enters into in the adsorption tower.
Further, a drying pile is arranged on one side of the first electromagnetic valve and connected with the pipe hoop of the air inlet pipeline, and end covers are connected to two ends of the drying pile through threads.
Through adopting above-mentioned technical scheme, make the drier in the dry stake can effectively get rid of the vapor in the compressed air, can not make compressed air's temperature rise moreover, can practice thrift a large amount of electric energies like this, through the end cover can quick replacement drier, convenient and fast to the drier can also recycle, energy-concerving and environment-protective.
Further, dry stake one side is provided with the filter, filter one side is provided with the buffer tank, buffer tank one side is provided with the air compressor machine, the air compressor machine the buffer tank the filter with dry stake all with the admission line ferrule is connected.
Through adopting above-mentioned technical scheme, make the compressed air that the air compressor machine produced enter into steady air current in the buffer tank, then filter compressed air, get rid of the impurity in the compressed air.
(III) advantageous effects
Compared with the prior art, the utility model, following beneficial effect has:
1. when solving current pressure swing adsorption nitrogen making device and producing unqualified nitrogen gas, can directly discharge it in the air, make work before all wasted, cause the waste of resource, still can waste a large amount of time, reduce production efficiency's problem, the utility model discloses a set up nitrogen gas concentration detector, fifth solenoid valve and backflow pipeline, can detect the nitrogen gas of production and can not reach the operation requirement after at nitrogen gas concentration detector, close fourth solenoid valve and first solenoid valve, open the fifth solenoid valve, make unqualified nitrogen gas follow backflow pipeline and get into the adsorption tower and purify once more, can not cause the waste of resource, and can promote the speed and the purity of purification once more, reinforcing equipment practicality improves production efficiency.
2. For solving the vapor in the compressed air of current pressure swing adsorption nitrogen making device in order to eliminate and guarantee that the temperature of the compressed air who gets into the adsorption tower is in normal atmospheric temperature state, need use the freeze dryer, this can occupy great space, and can consume a large amount of electric energy, cause the energy extravagant, be unfavorable for the problem of environmental protection, the utility model discloses a set up drying pile and end cover for the vapor in the compressed air can effectively be got rid of to the drier in the drying pile, can not make the temperature of compressed air rise, can practice thrift a large amount of electric energy like this, can quick replacement drier through the end cover, convenient and fast to the drier can also recycle, and is energy-concerving and environment-protective.
Drawings
Fig. 1 is a front view of a pressure swing adsorption nitrogen generator of the present invention.
The reference numerals are explained below:
1. an air compressor; 2. a buffer tank; 3. a filter; 4. drying the piles; 5. an end cap; 6. an air intake duct; 7. A first solenoid valve; 8. an adsorption tower; 9. a gas storage pipe; 10. a third electromagnetic valve; 11. a gas storage tank; 12. a nitrogen concentration detector; 13. an air outlet pipe; 14. a fourth solenoid valve; 15. a return line; 16. a fifth solenoid valve; 17. an exhaust duct; 18. a second solenoid valve.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
As shown in fig. 1, the pressure swing adsorption nitrogen production apparatus in this embodiment includes a gas storage tank 11, a nitrogen concentration detector 12 and a fifth electromagnetic valve 16, the nitrogen concentration detector 12 is connected to one side of the middle of the gas storage tank 11 through a screw thread, the nitrogen concentration detector 12 can detect whether the concentration of nitrogen in the gas storage tank 11 is qualified, a gas outlet pipe 13 is connected to a pipe hoop at the bottom of the gas storage tank 11, the gas outlet pipe 13 can facilitate qualified nitrogen to be discharged out of the gas storage tank 11, a return pipe 15 is connected to the pipe hoop in the middle of the gas outlet pipe 13, the return pipe 15 enables unqualified nitrogen to flow into an adsorption tower 8, the fifth electromagnetic valve 16 is flange-connected to the middle of the return pipe 15, the fifth electromagnetic valve 16 can control whether the return pipe 15 is opened, the pipe hoop at one end of the return pipe 15 is connected to the adsorption tower 8, the fourth electromagnetic valve 14 is flange-connected to one end of the gas outlet pipe 13, and can control the circulation of the gas outlet pipe 13, a pipe hoop at the upper end of an adsorption tower 8 is connected with a gas storage pipeline 9, the middle part of the gas storage pipeline 9 is connected with a flange of a third electromagnetic valve 10, one end of the gas storage pipeline 9 is connected with a pipe hoop of a gas storage tank 11, after the nitrogen is separated out by the adsorption tower 8, the generated nitrogen is stored in the gas storage tank 11 from the opened third electromagnetic valve 10 and the gas storage pipeline 9, a gas inlet pipeline 6 is connected with the pipe hoop at one side of the adsorption tower 8, a first electromagnetic valve 7 is connected with the gas inlet pipeline 6 by the flange of the gas inlet pipeline 6 close to one side of the adsorption tower 8, so that the pure compressed air enters the adsorption tower 8 from the opened first electromagnetic valve 7 and the gas inlet pipeline 6, a filter 3 is arranged at one side of a drying pile 4, a buffer tank 2 is arranged at one side of the filter 3, an air compressor 1 is arranged at one side of the buffer tank 2, the air compressor 1, the buffer tank 2, the filter 3 and the drying pile 4 are all connected with the pipe hoop of the gas inlet pipeline 6, so that the compressed air generated by the air compressor 1 enters the buffer tank 2 for smooth air flow, and then filtering the compressed air to remove impurities in the compressed air.
As shown in fig. 1, in this embodiment, the lower end pipe hoop of the adsorption tower 8 is connected with an exhaust pipe 17, the middle part of the exhaust pipe 17 is connected with a flange of a second electromagnetic valve 18, after the adsorption tower 8 reaches the state of adsorption saturation, the second electromagnetic valve 18 is opened, so that the residual gas in the adsorption tower 8 is discharged out of the adsorption tower 8 through the exhaust pipe, and the nitrogen is separated again after the adsorption tower 8 is convenient to adsorb.
As shown in fig. 1, in this embodiment, a drying pile 4 is disposed on one side of a first electromagnetic valve 7, the drying pile 4 is connected to a pipe hoop of an air inlet pipeline 6, and end covers 5 are connected to both ends of the drying pile 4 through threads, so that water vapor in compressed air can be effectively removed by a drying agent in the drying pile 4, and the temperature of the compressed air cannot be increased, which can save a large amount of electric energy, and the drying agent can be replaced quickly through the end covers 5, which is convenient and fast, and can be recycled, thereby being energy-saving and environment-friendly.
The specific implementation process of this embodiment is as follows: when the drying device is used, firstly, the air compressor 1 is started, the air compressor 1 can compress air and convey the air into the buffer tank 2, the buffer tank 2 can play a role of buffering air, compressed air which moves rapidly becomes stable, then the compressed air enters the filter 3 to remove impurities in the air, the compressed air becomes clean, the service life of the carbon molecular sieve is effectively prolonged, then the compressed air enters the drying pile 4, water vapor in the compressed air can be removed by the drying agent in the drying pile 4, when the capacity of the drying agent for absorbing the water vapor is obviously reduced, the end cover 5 is required to be opened firstly, old drying agent is taken out, then the end cover 5 at the bottom is covered, new drying agent is added into the drying pile 4, finally, the end cover 5 at the top is covered, then the compressed air enters the adsorption tower 8 through the first electromagnetic valve 7 and the air inlet pipeline 6, the compressed air separates and extracts nitrogen under the action of the carbon molecular sieve in the adsorption tower 8, then the separated nitrogen enters the gas storage tank 11 through the opened third electromagnetic valve 10 and the gas storage pipeline 9, then the nitrogen concentration detector 12 detects the concentration of the nitrogen in the gas storage tank 11, when the concentration of the nitrogen is found to be qualified, the fourth electromagnetic valve 14 is opened to discharge the qualified nitrogen from the gas outlet pipeline 13, when the concentration of the nitrogen is found to be unqualified, the fourth electromagnetic valve 14 and the first electromagnetic valve 7 are closed, the fifth electromagnetic valve 16 is opened to enable the unqualified nitrogen to enter the adsorption tower 8 from the return pipeline 15 for purification again, until the nitrogen concentration detector 12 detects that the concentration of the nitrogen is qualified, the fifth electromagnetic valve 16 is closed, the fourth electromagnetic valve 14 and the first electromagnetic valve 7 are opened again to enable the nitrogen production process to be normally carried out, when the purification capacity of the carbon molecular sieve in the adsorption tower 8 to the nitrogen meets the requirement, the first electromagnetic valve 7 and the third electromagnetic valve 10 are closed, the second solenoid valve 18 is opened to discharge the residual air in the adsorption tower 8 through the exhaust pipe, and after the residual air is discharged, the second solenoid valve 18 is closed and the first solenoid valve 7 and the third solenoid valve 10 are opened.
The above-described embodiments are merely illustrative of the preferred embodiments of the present invention and are not intended to limit the spirit and scope of the present invention. Without departing from the design concept of the present invention, various modifications and improvements made by the technical solution of the present invention by those skilled in the art should fall into the protection scope of the present invention, and the technical contents claimed by the present invention have been fully recorded in the claims.
Claims (6)
1. The utility model provides a pressure swing adsorption nitrogen generator which characterized in that: including gas holder (11), nitrogen gas concentration detector (12) and fifth solenoid valve (16), gas holder (11) middle part one side threaded connection has nitrogen gas concentration detector (12), gas holder (11) bottom ferrule is connected with pipeline (13) of giving vent to anger, pipeline (13) middle part ferrule of giving vent to anger is connected with backflow pipeline (15), backflow pipeline (15) middle part flange joint has fifth solenoid valve (16), backflow pipeline (15) one end ferrule is connected with adsorption tower (8), pipeline (13) one end flange joint has fourth solenoid valve (14) of giving vent to anger.
2. The pressure swing adsorption nitrogen plant of claim 1, characterized in that: the pipe hoop is connected with a gas storage pipeline (9) on the upper end of the adsorption tower (8), the middle part of the gas storage pipeline (9) is connected with a third electromagnetic valve (10) in a flange mode, and one end of the gas storage pipeline (9) is connected with the pipe hoop of the gas storage tank (11).
3. The pressure swing adsorption nitrogen plant of claim 1, characterized in that: the lower end pipe hoop of the adsorption tower (8) is connected with an exhaust pipeline (17), and the middle part of the exhaust pipeline (17) is connected with a second electromagnetic valve (18) in a flange mode.
4. The pressure swing adsorption nitrogen plant of claim 1, characterized in that: the pipe hoop on one side of the adsorption tower (8) is connected with an air inlet pipeline (6), and the air inlet pipeline (6) is close to one side of the adsorption tower (8) in a flange connection mode and is provided with a first electromagnetic valve (7).
5. The pressure swing adsorption nitrogen plant of claim 4, characterized in that: first solenoid valve (7) one side is provided with dry stake (4), dry stake (4) with admission line (6) ferrule is connected, dry stake (4) both ends all have end cover (5) through threaded connection.
6. The pressure swing adsorption nitrogen plant of claim 5, characterized in that: drying stake (4) one side is provided with filter (3), filter (3) one side is provided with buffer tank (2), buffer tank (2) one side is provided with air compressor machine (1), air compressor machine (1) buffer tank (2) filter (3) with drying stake (4) all with admission line (6) ferrule is connected.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022312437.2U CN214399826U (en) | 2020-10-16 | 2020-10-16 | Pressure swing adsorption nitrogen making device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022312437.2U CN214399826U (en) | 2020-10-16 | 2020-10-16 | Pressure swing adsorption nitrogen making device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214399826U true CN214399826U (en) | 2021-10-15 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022312437.2U Active CN214399826U (en) | 2020-10-16 | 2020-10-16 | Pressure swing adsorption nitrogen making device |
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| CN (1) | CN214399826U (en) |
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2020
- 2020-10-16 CN CN202022312437.2U patent/CN214399826U/en active Active
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