CN211971775U - PSA nitrogen making high-efficiency adjustable device - Google Patents
PSA nitrogen making high-efficiency adjustable device Download PDFInfo
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- CN211971775U CN211971775U CN202020506231.0U CN202020506231U CN211971775U CN 211971775 U CN211971775 U CN 211971775U CN 202020506231 U CN202020506231 U CN 202020506231U CN 211971775 U CN211971775 U CN 211971775U
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Abstract
The utility model discloses a PSA system nitrogen is high-efficient adjustable device, the air tank loops through first technology adsorption tower and the second technology adsorption tower of first regulation and control valve and second regulation and control valve and parallelly connected setting and corresponds the intercommunication, loops through first regulation and control valve and fifth regulation and control valve and parallelly connected third technology adsorption tower and the corresponding connection of fourth technology adsorption tower that sets up, the end of giving vent to anger of first technology adsorption tower, second technology adsorption tower, third technology adsorption tower and fourth technology adsorption tower is established ties in the one end of parallelly connected fifth regulation and control switch and sixth regulation and control switch that sets up through first regulation and control switch, second regulation and control switch, third regulation and control switch and fourth regulation and control switch and eighth regulation and control valve respectively, and the other end corresponds with the collection tank and is connected. The utility model discloses a 4 each other is for the technology adsorption tower of independent work adjusts the use, realizes the production of different tolerance and maintenance of not shutting down, possesses the low-cost low energy consumption operation of little tolerance, possesses the production of big gas gauge high yield again, satisfies different user demands.
Description
Technical Field
The utility model relates to a high-efficient adjustable device of PSA system nitrogen.
Background
The nitrogen is widely applied to industrial manufacture, chemical smelting and green food, and the demand of the nitrogen is large; at present, nitrogen is prepared from membrane separation, cryogenic nitrogen preparation, PSA (pressure swing adsorption) nitrogen preparation and the like, and the PSA nitrogen preparation is mostly adopted for small gas amount due to factors such as geographical environment, equipment construction, investment cost and the like.
The nitrogen making principle is based on the difference of diffusion rates of oxygen and nitrogen in air on the surface of a carbon molecular sieve, the oxygen and the nitrogen in the air have different diffusion speeds and different adsorption forces in micropores of the molecular sieve, under the equilibrium condition, the adsorption amounts of the molecular sieve to the oxygen and the nitrogen are quite close, but the diffusion speed of the oxygen passing through the gaps of the micropores of the molecular sieve is much faster than that of the nitrogen, and the nitrogen is enriched to prepare the nitrogen in the time far from the equilibrium condition by utilizing the adsorption kinetic property that the adsorption speed of the molecular sieve to the oxygen is greater than that to the nitrogen. In the prior art, only one small amount of gas is usually provided for producing nitrogen, and the nitrogen can not be effectively adjusted to meet the use requirement when the nitrogen is in large demand.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a simple structure, reasonable, reliable adopts 4 each other to adjust the use for the technology adsorption tower of autonomous working, realizes the production of different tolerance and maintenance of not shutting down, possesses the low-cost low energy consumption operation of little tolerance, possesses the production of big air gauge high yield again, satisfies the high-efficient adjustable device of PSA system nitrogen of different user demands.
The technical scheme of the utility model be, a PSA system nitrogen is high-efficient adjustable device, including air tank, technology adsorption tower, evacuation jar, holding vessel, regulation and control switch, regulation and control valve and analysis appearance, air tank and intake-tube connection, air tank, technology adsorption tower and holding vessel correspond the setting in proper order, the technology adsorption tower still corresponds the intercommunication with the evacuation jar, and the holding vessel is connected with the blast pipe, the analysis appearance sets up on the blast pipe, the technology adsorption tower is provided with 4 first technology adsorption tower, second technology adsorption tower, third technology adsorption tower and the fourth technology adsorption tower including two double-phase groups, the evacuation jar includes first evacuation jar and second evacuation jar, regulation and control switch is provided with a plurality ofly including first regulation and control switch, second regulation and control switch, third regulation and control switch, fourth regulation and control switch, fifth regulation and control switch, sixth regulation and control switch, The air tank is correspondingly communicated with the first process adsorption tower and the second process adsorption tower which are arranged in parallel sequentially through the first regulation valve and the second regulation valve, the air inlet ends of the first process adsorption tower and the second process adsorption tower are correspondingly communicated with the first emptying tank through the third regulation valve and the fourth regulation valve respectively, the air tank is correspondingly connected with the third process adsorption tower and the fourth process adsorption tower which are arranged in parallel sequentially through the first regulation valve and the fifth regulation valve, and the air inlet ends of the third process adsorption tower and the fourth process adsorption tower are respectively connected with the second emptying adsorption tower and the fourth process adsorption tower through the sixth regulation valve and the seventh regulation valve respectively The jar corresponds the intercommunication, the end of giving vent to anger of first technology adsorption tower, second technology adsorption tower, third technology adsorption tower and fourth technology adsorption tower is established ties at the one end of parallelly connected fifth regulation and control switch and the sixth regulation and control switch that sets up through first regulation and control switch, second regulation and control switch, third regulation and control switch and fourth regulation and control switch and eighth regulation and control valve respectively, and the other end and the collection tank of parallelly connected fifth regulation and control switch and the sixth regulation and control switch that set up correspond is connected, the outlet duct of collection tank is provided with the seventh regulation and control switch at the outside end of analysis appearance.
In a preferred embodiment of the present invention, the gas outlet ends of the first process adsorption tower, the second process adsorption tower, the third process adsorption tower and the fourth process adsorption tower are further respectively communicated with each other through a ninth control valve, a tenth control valve, an eleventh control valve and a twelfth control valve.
In a preferred embodiment of the present invention, the air tank is provided with a first evacuation pipe.
In a preferred embodiment of the present invention, an eighth control switch is disposed on the first evacuation tank.
In a preferred embodiment of the present invention, a second emptying pipe is provided on the collection tank.
In a preferred embodiment of the present invention, a ninth adjustment and control switch is disposed on the second evacuation pipe.
For a PSA system nitrogen is high-efficient adjustable device, the utility model has the advantages of simple structure, rationally, reliably, adopt 4 each other to adjust the use for the technology adsorption tower of autonomous working, realize different tolerance and the production of not shutting down the maintenance, possess the operation of little tolerance low-cost low energy consumption, possess big air gauge high output production again, satisfy different user demands.
Drawings
Fig. 1 is a schematic structural diagram of a preferred embodiment of the PSA nitrogen-making high-efficiency adjustable device of the present invention.
Detailed Description
The following detailed description of the preferred embodiments of the present invention is provided to enable those skilled in the art to more easily understand the advantages and features of the present invention, and to make more clear and definite definitions of the scope of the present invention.
The utility model relates to a high-efficient adjustable device of PSA system nitrogen, as shown in figure 1, air tank 1 will loop through first technology adsorption tower 5 and second technology adsorption tower 6 that first regulation and control valve 3 and second regulation and control valve 4 and parallelly connected setting with the gas that intake pipe 2 is connected and communicate, the inlet end of first technology adsorption tower 5 and second technology adsorption tower 6 corresponds the intercommunication through third regulation and control valve 7 and fourth regulation and control valve 8 and first evacuation jar 9 respectively, air tank 1 loops through first regulation and control valve 3 and fifth regulation and control valve 10 and parallelly connected third technology adsorption tower 11 and fourth technology adsorption tower 12 that sets up correspond the connection, the inlet end of third technology adsorption tower 11 and fourth technology adsorption tower 12 corresponds the intercommunication through sixth regulation and control valve 13 and seventh regulation and control valve 14 and second evacuation jar 15 respectively, first technology adsorption tower 5 gives vent to anger, second technology adsorption tower 6, the end of third technology adsorption tower 11 and fourth technology adsorption tower 12 is respectively through first regulation and control valve 16, The second regulation and control switch 17, the third regulation and control switch 18, the fourth regulation and control switch 19 and the eighth regulation and control valve 20 are connected in series at one end of a fifth regulation and control switch 21 and a sixth regulation and control switch 22 which are arranged in parallel, the other end of the fifth regulation and control switch 21 and the sixth regulation and control switch 22 which are arranged in parallel are correspondingly connected with a collecting tank 23, an air outlet pipe 24 of the collecting tank 23 is provided with a seventh regulation and control switch 26 at the outer side end of an analyzer 25, and the air outlet ends of the first process adsorption tower 5, the second process adsorption tower 6, the third process adsorption tower 11 and the fourth process adsorption tower 12 are correspondingly communicated through a ninth regulation and control valve 27, a tenth regulation and control valve 28, an eleventh regulation and control valve 29 and a twelfth regulation and control valve 30 respectively.
The air tank 1 is provided with a first emptying pipe 32 with an eighth regulating switch 31, so that the emptying treatment of the air tank 1 is facilitated.
The collecting tank 23 is provided with a second emptying pipe 34 with a ninth regulating switch 33, which is convenient for the emptying process of the collecting tank 23.
Above-mentioned connection structure adopts 4 tower structure processes, and the nitrogen production volume can be big gas 4 tower operations, also can little gas 2 tower operations, when equipment 2 tower little gas operations, practices thrift the energy consumption, low-cost operation, 4 tower full load operations when needing big gas, output is fast, and if there is a tower trouble in 4 technology adsorption towers operation, through the regulation of regulation and control valve and regulation and control switch, other technology adsorption towers can be operated to equipment, can overhaul without shutting down.
The utility model relates to a PSA system nitrogen is high-efficient adjustable device, the utility model has the advantages of simple structure, rationally, reliably, adopt 4 each other to adjust the use for the technology adsorption tower of autonomous working, realize different tolerance and the production of not shutting down the maintenance, possess the low-cost low energy consumption operation of little tolerance, possess big air gauge high output production again, satisfy different user demands.
The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can be covered within the protection scope of the present invention without changing or replacing the technical scope of the present invention disclosed by the present invention. Therefore, the protection scope of the present invention should be subject to the protection scope defined by the claims.
Claims (6)
1. The utility model provides a high-efficient adjustable device of PSA system nitrogen, includes air tank, technology adsorption tower, evacuation jar, collecting tank, regulation and control switch, regulation and control valve and analysis appearance, air tank and intake-tube connection, air tank, technology adsorption tower and collecting tank correspond the setting in proper order, the technology adsorption tower still corresponds the intercommunication with the evacuation jar, and the collecting tank is connected with the blast pipe, the analysis appearance sets up on the blast pipe, its characterized in that: the process adsorption tower is provided with 4 first process adsorption towers, second process adsorption towers, third process adsorption towers and fourth process adsorption towers which are combined in pairs, the evacuation tank comprises a first evacuation tank and a second evacuation tank, the regulation and control switch is provided with a plurality of first regulation and control switches, second regulation and control switches, third regulation and control switches, fourth regulation and control switches, fifth regulation and control switches, sixth regulation and control switches, seventh regulation and control switches, eighth regulation and control switches and ninth regulation and control switches, the regulation and control valves are provided with a plurality of first regulation and control valves, second regulation and control valves, third regulation and control valves, fourth regulation and control valves, fifth regulation and control valves, sixth regulation and control valves, seventh regulation and control valves, eighth regulation and control valves, ninth regulation and control valves, tenth regulation and control valves, eleventh regulation and control valves and twelfth regulation and control valves, the air tank is correspondingly communicated with the first process adsorption towers and the second process adsorption towers which are arranged in parallel through the first regulation and control valves and the second regulation and control valves in turn, the air inlet ends of the first process adsorption tower and the second process adsorption tower are correspondingly communicated with a first emptying tank through a third regulating valve and a fourth regulating valve respectively, the air tank is correspondingly connected with a third process adsorption tower and a fourth process adsorption tower which are arranged in parallel through the first regulating valve and the fifth regulating valve in sequence, the air inlet ends of the third process adsorption tower and the fourth process adsorption tower are correspondingly communicated with a second emptying tank through a sixth regulating valve and a seventh regulating valve respectively, the air outlet ends of the first process adsorption tower, the second process adsorption tower, the third process adsorption tower and the fourth process adsorption tower are respectively connected with one end of a fifth regulating switch and one end of a sixth regulating switch which are arranged in parallel through a first regulating switch, a second regulating switch, a third regulating switch and a fourth regulating switch in series with an eighth regulating valve, the other ends of the fifth regulating switch and the sixth regulating switch which are arranged in parallel are correspondingly connected with a collecting tank, and a seventh regulating switch is arranged at the outer side end of the gas outlet pipe of the collecting tank on the analyzer.
2. The PSA nitrogen-making efficient tunable device according to claim 1, wherein: and the gas outlet ends of the first process adsorption tower, the second process adsorption tower, the third process adsorption tower and the fourth process adsorption tower are respectively and correspondingly communicated through a ninth regulation valve, a tenth regulation valve, an eleventh regulation valve and a twelfth regulation valve.
3. The PSA nitrogen-making efficient tunable device according to claim 1, wherein: the air tank is provided with a first emptying pipe.
4. The PSA nitrogen-making efficient tunable device according to claim 3, wherein: and an eighth regulating switch is arranged on the first emptying tank.
5. The PSA nitrogen-making efficient tunable device according to claim 1, wherein: and a second emptying pipe is arranged on the collecting tank.
6. The PSA nitrogen-making efficient tunable device according to claim 5, wherein: and a ninth regulating switch is arranged on the second emptying pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506231.0U CN211971775U (en) | 2020-04-09 | 2020-04-09 | PSA nitrogen making high-efficiency adjustable device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020506231.0U CN211971775U (en) | 2020-04-09 | 2020-04-09 | PSA nitrogen making high-efficiency adjustable device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211971775U true CN211971775U (en) | 2020-11-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020506231.0U Active CN211971775U (en) | 2020-04-09 | 2020-04-09 | PSA nitrogen making high-efficiency adjustable device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211971775U (en) |
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2020
- 2020-04-09 CN CN202020506231.0U patent/CN211971775U/en active Active
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