CN205204825U - Analytic circulating equipment of making nitrogen of double tower pressure swing adsorption - Google Patents
Analytic circulating equipment of making nitrogen of double tower pressure swing adsorption Download PDFInfo
- Publication number
- CN205204825U CN205204825U CN201520990745.7U CN201520990745U CN205204825U CN 205204825 U CN205204825 U CN 205204825U CN 201520990745 U CN201520990745 U CN 201520990745U CN 205204825 U CN205204825 U CN 205204825U
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- adsorption tower
- nitrogen
- pressure swing
- adsorption
- making nitrogen
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Abstract
The utility model discloses an analytic circulating equipment of making nitrogen of double tower pressure swing adsorption from left to right sets gradually air compressor machine, gaseous oil tank, gas dryer, gaseous trash separator, adsorption tower no. 1, adsorption tower no. 2 and the programmable control system of removing, adsorption tower no. 1 with all be equipped with carbon molecular sieve in the adsorption tower no. 2 to top between them all is equipped with nitrogen gas export, contrary air current import, and the bottom all is equipped with the gas vent, adsorption tower no. 1 with the adsorption tower between two through communicating pipe no. 1 with be linked together communicating pipe no. 2, the utility model discloses a two adsorption tower alternation and circulation system nitrogen to make in the air admission adsorption tower before the nitrogen to the air degrease, operations such as dewatering and edulcoration, make the purity of the nitrogen gas of final preparation higher, accord with the requirement of nitrogen gas.
Description
Technical field
The utility model relates to a kind of equipment of making nitrogen, particularly relates to a kind of double column pressure swing absorption parse cycle formula equipment of making nitrogen.
Background technology
The equipment of making nitrogen adopts the carbonaceous molecular sieve of high-quality as sorbent material, utilize pressure-variable adsorption principle to obtain the equipment of nitrogen, the principle of Nitrogen plant is under pressure, utilize volume oxygen in air, nitrogen in the difference of the adsorptive capacity on carbonaceous molecular sieve surface, namely carbonaceous molecular sieve is to the diffusion absorption of oxygen much larger than nitrogen, by the keying of program controller PLC pneumavalve, completes adsorption process, reach the separation of nitrogen oxygen, obtain the nitrogen of required purity.
What current Nitrogen plant adopted is that an adsorption tower carries out absorption nitrogen, this kind of nitrogen mode nitrogen efficiency processed is low, and because oil, moisture and impurity containing trace in pressurized air, therefore nitrogen gas purity that nitrogen processed produces is not high directly to adopt Nitrogen plant to carry out, and the undesirable phenomenon generation of a large amount of nitrogen can be there is.
Summary of the invention
For above-mentioned Problems existing, the utility model aims to provide a kind of double column pressure swing absorption parse cycle formula equipment of making nitrogen, this double column pressure swing absorption parse cycle formula equipment of making nitrogen adopts two adsorption tower alternate cycles nitrogen, and air enter in adsorption tower carry out nitrogen processed before oil removing carried out to air, dewater and the operation such as removal of impurities, make the purity of the final nitrogen made higher, meet the requirement of nitrogen.
To achieve these goals, the technical scheme that adopts of the utility model is as follows:
The double column pressure swing absorption parse cycle formula equipment of making nitrogen, from left to right set gradually air compressor machine, gas oil removing pot, gas flow dryer, gas trash separator, adsorption tower one, adsorption tower two and programmable control system, be communicated with by ventpipe one between described air compressor machine with described gas oil removing pot and arrange, described gas oil removing pot is communicated with between described gas flow dryer is arranged by ventpipe two, arranged by ventpipe tee joint between described gas flow dryer and described gas trash separator, described gas trash separator and described adsorption tower one, all setting is communicated with by ventpipe four between the bottom of both adsorption towers two, carbonaceous molecular sieve is equipped with in described adsorption tower one and described adsorption tower two, and both tops are equipped with nitrogen outlet, inverse airflow inlet, bottom is equipped with venting port, is connected between described adsorption tower one with described adsorption tower two by communicating pipe one with communicating pipe two.
Further, iron adsorption layer, degreasing cotton layer and active carbon layer is provided with successively from bottom to top in described gas oil removing pot.
Further, described iron adsorption layer, degreasing cotton layer and active carbon layer are all arranged to the structure that top is conical by its shape.
Further, described trash separator is precision filter of compressed air, arranges activated charcoal filter in described precision filter of compressed air inner bottom part position.
Further, described activated charcoal filter is some layers of active carbon layer.
Further, described adsorption tower one is with the carbonaceous molecular sieve in described adsorption tower two arcuate structure that upper end has convex curvature.
The beneficial effects of the utility model are: the utility model proposes the equipment of making nitrogen of a kind of double tower alternating sorbent parsing for prior art, adopts two adsorption tower flow processs, and nitrogen is produced in a tower absorption, regeneration resolved by one tower, cycle alternation, produces high-quality nitrogen continuously, improves nitrogen efficiency processed; In addition, in order to further improve the purity of nitrogen processed, therefore oil removing pot, moisture eliminator and trash separator are set at compressed-air actuated right-hand member, by oil removing pot, moisture eliminator and trash separator, pressurized air is processed, remove micro oil, moisture and impurity contained in air in time, the purity of nitrogen after raising adsorption tower.
Accompanying drawing explanation
Fig. 1 is the utility model schematic front view.
Wherein: 1-air compressor machine, 2-oil removing pot, 21-iron filings layer, 22-degreasing cotton layer, 23-active carbon layer, 3-moisture eliminator, 4-trash separator, 5-precision filter of compressed air, 6-activated charcoal filter, 7-adsorption tower one, 8-adsorption tower two, 9-ventpipe one, 10-ventpipe two, 11-ventpipe three, 12-ventpipe four, 13-carbonaceous molecular sieve, 14-communicating pipe one, 15-nitrogen outlet, 16-stream inlet, 17-venting port, 18-communicating pipe two, 19-programmable control system, 20-tensimeter.
Embodiment
In order to make those of ordinary skill in the art understand the technical solution of the utility model, below in conjunction with drawings and Examples, the technical solution of the utility model is further described.
With reference to the double column pressure swing absorption parse cycle formula equipment of making nitrogen shown in accompanying drawing 1, from left to right set gradually air compressor machine 1, gas oil removing pot 2, gas flow dryer 3, gas trash separator, adsorption tower 1, adsorption tower 28 and programmable control system 19, described adsorption tower 1 is with the carbonaceous molecular sieve 13 in described adsorption tower 28 arcuate structure that upper end has convex curvature, the arcuate structure of convex curvature can increase adsorption area, improve adsorption effect, be communicated with by ventpipe 1 between described air compressor machine 1 with described gas oil removing pot 2 and arrange, be communicated with by ventpipe 2 10 between described gas oil removing pot 2 with described gas flow dryer 3 and arrange, be communicated with by ventpipe 3 11 between described gas flow dryer 3 with described gas trash separator and arrange, described gas trash separator and described adsorption tower 1, all setting is communicated with by ventpipe 4 12 between the bottom of both adsorption towers 28, carbonaceous molecular sieve 13 is equipped with in described adsorption tower 1 and described adsorption tower 28, and both tops are equipped with nitrogen outlet 15, inverse airflow inlet, bottom is equipped with venting port 17, be connected with communicating pipe 2 18 by communicating pipe 1 between described adsorption tower 1 with described adsorption tower 28, in order to obtain continuous print nitrogen, adopt adsorption tower 1 and adsorption tower 28 to hocket, adsorption tower 1 and adsorption tower 28 all arrange tensimeter 20, adsorption tower 1 produces nitrogen, adsorption tower 28 just resolves regeneration, concrete is divided into three processes: absorption: the adsorption tower 1 that carbonaceous molecular sieve 13 is housed, when the clean pressurized air treated by gas oil removing pot 2, moisture eliminator 3 and trash separator enters adsorption tower 1 bottom, through carbonaceous molecular sieve 13 from Outlet-side flow time, oxygen is separated with nitrogen, product nitrogen gas is gone out by the nitrogen outlet 15 on adsorption tower 1 top, enter nitrogen buffer tank to store, adsorption process is mainly pressurizeed to its adsorption tower 1 by programmable control system 19, all press: after for some time, carbonaceous molecular sieve 13 in adsorption tower 1 adsorbs saturated, at this moment, adsorption tower 1 stops absorption automatically, and an of short duration pressure equalizing is carried out to adsorption tower 28, thus improve adsorption tower 28 pressure rapidly and reach the object improving nitrogen efficiency processed, it is exactly be communicated with communicating pipe 2 18 by communicating pipe 1 by two towers that what is called is all pressed, make the gas flow another tower (tower to be absorbed) of a tower (tower to be resolved), finally reach the gaseous tension basic equalization of two towers, resolve: all pressed rear adsorption tower 1 to continue exhaust by the venting port 17 of bottom, adsorption tower 1 has been dropped rapidly to normal pressure, thus removes the oxygen etc. adsorbed, realize the parsing regeneration of carbonaceous molecular sieve 13, further in order to make molecular sieve thoroughly regenerate, carry out countercurrent purge with the passing nitrogen in nitrogen buffer tank to adsorption tower 1, counter-current gas is entered from stream inlet 16.
Further, iron adsorption layer 21, degreasing cotton layer 22 and active carbon layer 23 is provided with from bottom to top successively in described gas oil removing pot 2, it is that the micro oil in gas can thoroughly be removed by the structure three-decker of conical by its shape that described iron adsorption layer 21, degreasing cotton layer 22 and active carbon layer 23 are all arranged to top, and the design of conical by its shape can enlarge active surface, improve oil removal efficiency.
Further, described trash separator is precision filter of compressed air 5, in described precision filter of compressed air 5 inner bottom part position, activated charcoal filter 6 is set, described activated charcoal filter 6 is some layers of active carbon layer 23, and the impurity in gas can be removed by the combination of precision filter of compressed air 5 and activated charcoal filter 6 thoroughly.
Claims (6)
1. the double column pressure swing absorption parse cycle formula equipment of making nitrogen, it is characterized in that: from left to right set gradually air compressor machine, gas oil removing pot, gas flow dryer, gas trash separator, adsorption tower one, adsorption tower two and programmable control system, be communicated with by ventpipe one between described air compressor machine with described gas oil removing pot and arrange, described gas oil removing pot is communicated with between described gas flow dryer is arranged by ventpipe two, arranged by ventpipe tee joint between described gas flow dryer and described gas trash separator, described gas trash separator and described adsorption tower one, all setting is communicated with by ventpipe four between the bottom of both adsorption towers two, carbonaceous molecular sieve is equipped with in described adsorption tower one and described adsorption tower two, and both tops are equipped with nitrogen outlet, inverse airflow inlet, bottom is equipped with venting port, is connected between described adsorption tower one with described adsorption tower two by communicating pipe one with communicating pipe two.
2. the double column pressure swing absorption parse cycle formula equipment of making nitrogen according to claim 1, is characterized in that: be provided with iron adsorption layer, degreasing cotton layer and active carbon layer successively from bottom to top in described gas oil removing pot.
3. the double column pressure swing absorption parse cycle formula equipment of making nitrogen according to claim 2, is characterized in that: described iron adsorption layer, degreasing cotton layer and active carbon layer are all arranged to the structure that top is conical by its shape.
4. the double column pressure swing absorption parse cycle formula equipment of making nitrogen according to claim 1, is characterized in that: described trash separator is precision filter of compressed air, arranges activated charcoal filter in described precision filter of compressed air inner bottom part position.
5. the double column pressure swing absorption parse cycle formula equipment of making nitrogen according to claim 4, is characterized in that: described activated charcoal filter is some layers of active carbon layer.
6. the double column pressure swing absorption parse cycle formula equipment of making nitrogen according to claim 1, is characterized in that: described adsorption tower one is with the carbonaceous molecular sieve in described adsorption tower two arcuate structure that upper end has convex curvature.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990745.7U CN205204825U (en) | 2015-12-03 | 2015-12-03 | Analytic circulating equipment of making nitrogen of double tower pressure swing adsorption |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520990745.7U CN205204825U (en) | 2015-12-03 | 2015-12-03 | Analytic circulating equipment of making nitrogen of double tower pressure swing adsorption |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205204825U true CN205204825U (en) | 2016-05-04 |
Family
ID=55842553
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520990745.7U Expired - Fee Related CN205204825U (en) | 2015-12-03 | 2015-12-03 | Analytic circulating equipment of making nitrogen of double tower pressure swing adsorption |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205204825U (en) |
-
2015
- 2015-12-03 CN CN201520990745.7U patent/CN205204825U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160504 Termination date: 20191203 |