CN218249399U - Novel nitrogen making tower - Google Patents
Novel nitrogen making tower Download PDFInfo
- Publication number
- CN218249399U CN218249399U CN202221096592.8U CN202221096592U CN218249399U CN 218249399 U CN218249399 U CN 218249399U CN 202221096592 U CN202221096592 U CN 202221096592U CN 218249399 U CN218249399 U CN 218249399U
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- CN
- China
- Prior art keywords
- tower
- nitrogen making
- molecular sieve
- air
- filter
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 title claims abstract description 137
- 229910052757 nitrogen Inorganic materials 0.000 title claims abstract description 68
- 239000002808 molecular sieve Substances 0.000 claims abstract description 46
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 claims abstract description 46
- 239000000945 filler Substances 0.000 claims abstract description 30
- 239000007789 gas Substances 0.000 claims description 21
- 239000002245 particle Substances 0.000 claims description 6
- 238000007789 sealing Methods 0.000 claims description 4
- 238000012856 packing Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 9
- 230000008901 benefit Effects 0.000 abstract description 7
- 230000005484 gravity Effects 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 abstract description 3
- 230000002035 prolonged effect Effects 0.000 abstract description 2
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 9
- 239000001301 oxygen Substances 0.000 description 9
- 229910052760 oxygen Inorganic materials 0.000 description 9
- 238000001179 sorption measurement Methods 0.000 description 6
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 3
- 229910052799 carbon Inorganic materials 0.000 description 3
- 238000001914 filtration Methods 0.000 description 3
- 238000012986 modification Methods 0.000 description 3
- 230000004048 modification Effects 0.000 description 3
- 238000000034 method Methods 0.000 description 2
- 235000017166 Bambusa arundinacea Nutrition 0.000 description 1
- 235000017491 Bambusa tulda Nutrition 0.000 description 1
- 241001330002 Bambuseae Species 0.000 description 1
- 235000015334 Phyllostachys viridis Nutrition 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- 239000011425 bamboo Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 229910001873 dinitrogen Inorganic materials 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
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- Solid-Sorbent Or Filter-Aiding Compositions (AREA)
Abstract
The utility model provides a novel nitrogen making tower, which comprises an outer tower, wherein the bottom of the outer tower is connected with an air inlet pipe, the air inlet pipe extends upwards to the inside of the outer tower and is communicated with an inner tower, the inner tower is arranged at the top end of a filter cylinder, and the bottom end of the filter cylinder is connected with the inner bottom wall of the outer tower; the filter drum is connected with one end of an air outlet pipe, and the other end of the air outlet pipe extends out of the inner part of the outer tower. In the structure of the utility model, an inner and outer double-layer tower structure is arranged, the moving path length of the air in the nitrogen making tower and the contact rate of the air and molecular sieve packing are increased, and the purity of the made nitrogen is further increased; the air inlet and the air outlet are arranged on the lower side of the nitrogen making tower in the gravity direction of the molecular sieve filler, so that the gap between air and the molecular sieve filler can be reduced, and the nitrogen making effect is further ensured; the utilization rate of the molecular sieve packing in the nitrogen making tower is increased by reducing the diameter of the air channel, and the maintenance and replacement period is prolonged; the popularization and the application have good economic benefit and social benefit.
Description
Technical Field
The utility model belongs to the technical field of the system nitrogen device, in particular to novel system nitrogen tower.
Background
At present, a common pressure swing adsorption nitrogen production device takes compressed air as a raw material and a carbon molecular sieve as an adsorbent, and realizes oxygen and nitrogen separation by utilizing the differences of oxygen and nitrogen in the aspects of adsorption capacity, adsorption rate, adsorption force and the like on the carbon molecular sieve and the characteristic that the molecular sieve has different adsorption capacities for oxygen and nitrogen along with different pressures. First, oxygen in the air is preferentially adsorbed by the carbon molecular sieve, thereby enriching nitrogen in the gas phase.
The existing nitrogen making device is an adsorption nitrogen making tower, oxygen in the air is adsorbed in the nitrogen making tower by filling molecular sieve filler, so that nitrogen is obtained at an air outlet, the nitrogen can be produced, the purity of the generated nitrogen is low, the utilization rate of the molecular sieve filler in the nitrogen making tower is low, and the molecular sieve filler needs to be replaced frequently.
How to design a novel nitrogen making tower, how to increase the purity of the generated nitrogen, increase the utilization ratio of the molecular sieve packing in the nitrogen making tower, and increase the maintenance period, become the problem which needs to be solved urgently.
SUMMERY OF THE UTILITY MODEL
In view of the above shortcomings of the prior art, an object of the present invention is to provide a novel nitrogen making tower for solving the problems that the nitrogen making tower in the prior art generates nitrogen with low purity, the molecular sieve packing utilization rate is low and frequent replacement is required.
In order to achieve the purpose, the utility model provides a novel nitrogen making tower, which comprises an outer tower, wherein the bottom of the outer tower is connected with an air inlet pipe, the air inlet pipe extends upwards to the inside of the outer tower to be communicated with an inner tower, the inner tower is arranged at the top end of a filter cylinder, and the bottom end of the filter cylinder is connected with the inner bottom wall of the outer tower;
the filter cartridge is connected with one end of an air outlet pipe, and the other end of the air outlet pipe extends out of the inner part of the outer tower;
by adopting the technical scheme: the diameter of an air channel is reduced by arranging the inner tower in the outer tower, and the contact area of molecular sieve packing in the nitrogen making tower and air is increased, so that the utilization rate of the molecular sieve packing is increased, and the purity of nitrogen generated after the molecular sieve packing adsorbs oxygen is increased; when the inner tower is arranged to reduce the diameter of the air channel, the path length of the air in the nitrogen making tower is increased, so that the contact rate of the air and the molecular sieve filler is increased, and the purity of the nitrogen generated after the molecular sieve filler absorbs oxygen is further increased.
In an embodiment of the present invention, the air inlet pipe penetrates through the outer tower for sealing treatment;
by adopting the technical scheme: guarantee the leakproofness of outer tower self, avoid gaseous outer tower position department of running through from the intake pipe to leak and influence the nitrogen making effect.
In an embodiment of the present invention, a filter plate is disposed inside the inner tower, the filter plate is correspondingly covered above the air inlet pipe, the filter plate is provided with filter holes, and the aperture of the filter holes is smaller than the particle size of the molecular sieve filler filled inside the nitrogen making tower;
by adopting the technical scheme: the filter plate is arranged above the air inlet pipe to prevent the molecular sieve filler from entering the air inlet pipe, and the stability of the molecular sieve filler is ensured.
In an embodiment of the present invention, a gas passage is provided between the inner top walls of the inner tower and the outer tower;
by adopting the technical scheme: through set up gas channel between the interior roof of tower and outer tower in the tower and realize tower and the inside intercommunication of outer tower, guarantee that gas can follow interior tower top and enter into the space between outer tower and the interior tower and continue to adsorb the nitrogen generation.
In an embodiment of the present invention, the filter cartridge is provided with filter holes at regular intervals in the circumferential direction, and the aperture of the filter holes is smaller than the particle size of the molecular sieve filler filled in the nitrogen making tower;
by adopting the technical scheme: the molecular sieve filler is prevented from entering the interior of the filter cylinder while gas is ensured to pass through, and the stability of the molecular sieve filler is ensured.
In one embodiment of the present invention, one end of the outlet pipe is communicated with the interior of the filter cartridge, and the outlet pipe penetrates through the outer tower and is sealed;
by adopting the technical scheme: ensuring that the gas entering the interior of the filter cylinder can be discharged from the gas outlet pipe; avoid the outlet duct to run through outer tower position department and leak and lead to inside air to flow out the effect that influences nitrogen making.
Advantageous effects
In the structure of the utility model, an inner and outer double-layer tower structure is arranged, the moving path length of the air in the nitrogen making tower and the contact rate of the air and molecular sieve packing are increased, and the purity of the made nitrogen is further increased; the air inlet and the air outlet are arranged at the lower side of the nitrogen making tower in the gravity direction of the molecular sieve filler, so that the gap between air and the molecular sieve filler can be reduced, and the nitrogen making effect is further ensured; the utilization rate of the molecular sieve packing in the nitrogen making tower is increased by reducing the diameter of the air channel, and the maintenance and replacement period is prolonged; the popularization and the application have good economic benefit and social benefit.
Drawings
Fig. 1 is a front sectional view of the present invention.
Fig. 2 is a partial front sectional view of the present invention.
In the figure: 1. an outer tower; 2. an air inlet pipe; 3. an inner tower; 4. a filter cartridge; 5. an air outlet pipe; 6. filtering the plate; 7. and a gas passing channel.
Detailed Description
The following description is provided for illustrative purposes, and other advantages and features of the present invention will become apparent to those skilled in the art from the following detailed description.
Please refer to fig. 1-2. It should be understood that the structure, ratio, size and the like shown in the drawings attached to the present specification are only used for matching with the content disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essential meaning, and any structure modification, ratio relationship change or size adjustment should still fall within the scope that the technical content disclosed in the present invention can cover without affecting the function that the present invention can produce and the purpose that the present invention can achieve. In addition, the terms such as "upper", "lower", "left", "right", "middle" and "one" used in the present specification are used for clarity of description only, and are not used to limit the scope of the present invention, and the relative relationship between the terms may be changed or adjusted without substantial technical changes.
As shown in fig. 1-2, the utility model provides a novel nitrogen making tower, which comprises an outer tower 1, wherein the bottom of the outer tower 1 is connected with an air inlet pipe 2, the air inlet pipe 2 extends upwards to the inside of the outer tower 1 to be communicated with an inner tower 3, the inner tower 3 is arranged at the top end of a filter cartridge 4, and the bottom end of the filter cartridge 4 is connected with the inner bottom wall of the outer tower 1;
the filter cartridge 4 is connected with one end of an air outlet pipe 5, and the other end of the air outlet pipe 5 extends out of the outer tower 1. By adopting the technical scheme: the diameter of an air channel is reduced by arranging the inner tower 3 in the outer tower 1, and the contact area between the molecular sieve filler in the nitrogen making tower and the passing air is increased, so that the utilization rate of the molecular sieve filler is increased, and the purity of nitrogen generated after the molecular sieve filler adsorbs oxygen is increased; when the inner tower 3 is arranged to reduce the diameter of the air channel, the path length of the air in the nitrogen making tower is increased, so that the contact rate of the air and the molecular sieve packing is increased, and the purity of the nitrogen generated after the molecular sieve packing adsorbs oxygen is further increased.
The air inlet pipe 2 penetrates through the outer tower 1 and is sealed; by adopting the technical scheme: the leakproofness of outer tower 1 self is guaranteed, and gas is avoided penetrating through outer tower 1 position from intake pipe 2 and is leaked the influence and make nitrogen effect.
The inner part of the inner tower 3 is provided with a filter plate 6, the filter plate 6 is correspondingly covered above the air inlet pipe 2, the filter plate 6 is provided with filter holes, and the aperture of the filter holes is smaller than the particle size of the molecular sieve filler filled in the nitrogen making tower. By adopting the technical scheme: the molecular sieve filler is prevented from entering the air inlet pipe 2 by arranging the filter plate 6 above the air inlet pipe 2, and the stability of the molecular sieve filler is ensured.
A gas passing channel 7 is arranged between the inner tower 3 and the inner top wall of the outer tower 1. By adopting the technical scheme: through set up gas channel 7 between the interior roof of tower 3 and outer tower 1 in tower 3 and realize tower 3 and the inside intercommunication of outer tower 1, guarantee that gas can follow tower 3 top in and enter into to the space between outer tower 1 and the interior tower 3 and continue to adsorb the nitrogen making.
The filter cylinders 4 are provided with filter holes at even intervals in the circumferential direction, and the aperture of the filter holes is smaller than the particle size of the molecular sieve filler filled in the nitrogen making tower. By adopting the technical scheme: the gas is ensured to pass through, the molecular sieve filler is prevented from entering the interior of the filter cylinder 4, and the stability of the molecular sieve filler is ensured.
One end of the air outlet pipe 5 is communicated with the interior of the filter cylinder 4, and the air outlet pipe 5 penetrates through the outer tower 1 for sealing treatment. By adopting the technical scheme: ensuring that the gas entering the interior of the filter cartridge 4 can be discharged from the gas outlet pipe 5; avoid outlet duct 5 to run through outer tower 1 position department and leak and lead to inside air to flow out the effect that influences nitrogen making.
During the concrete implementation, introduce gas by intake pipe 2 at the bottom of nitrogen making tower, gas can directly be leading-in to the inside of interior tower 3 through intake pipe 2, then upward move along interior tower 3, and the in-process that removes adsorbs the filtration with the inside molecular sieve filler contact of filling of interior tower 3, gas removes to interior tower 3 top back, back flows to the space between interior tower 3 and the outer tower 1 through gas passage 7, finally can follow the space downstream between outer tower 1 and the interior tower 3, and adsorb the filtration with the molecular sieve filler contact of filling at the in-process that removes, final remaining gas can enter into the inside of straining a section of thick bamboo 4, derive the inside of nitrogen making tower by outlet duct 5 again and collect, accomplish the preparation flow of nitrogen gas.
In summary, the utility model provides a novel nitrogen making tower, which is provided with an inner-outer double-layer tower structure, increases the moving path length of air in the nitrogen making tower and the contact rate of the air with molecular sieve packing, and further increases the purity of the prepared nitrogen; the air inlet and the air outlet are arranged on the lower side of the nitrogen making tower in the gravity direction of the molecular sieve filler, so that the gap between air and the molecular sieve filler can be reduced, and the nitrogen making effect is further ensured; the popularization and the application have good economic benefit and social benefit. Therefore, the utility model effectively overcomes various defects in the prior art and has high industrial utilization value.
The above embodiments are merely illustrative of the principles and effects of the present invention, and are not to be construed as limiting the invention. Modifications and variations can be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the present invention. Accordingly, it is intended that all equivalent modifications or changes which may be made by those skilled in the art without departing from the spirit and technical spirit of the present invention be covered by the claims of the present invention.
Claims (6)
1. The utility model provides a novel nitrogen making tower, includes outer tower (1), its characterized in that: the bottom of the outer tower (1) is connected with an air inlet pipe (2), the air inlet pipe (2) extends upwards to the inside of the outer tower (1) and is communicated with the inner tower (3), the inner tower (3) is erected at the top end of the filter cartridge (4), and the bottom end of the filter cartridge (4) is connected with the inner bottom wall of the outer tower (1);
the filter cartridge (4) is connected with one end of an air outlet pipe (5), and the other end of the air outlet pipe (5) extends out of the outer tower (1).
2. The novel nitrogen making tower of claim 1, wherein: and the air inlet pipe (2) penetrates through the outer tower (1) for sealing treatment.
3. The novel nitrogen making tower of claim 1, wherein: the inner tower (3) is internally provided with a filter plate (6), the filter plate (6) is correspondingly covered above the air inlet pipe (2), the filter plate (6) is provided with filter holes, and the aperture of each filter hole is smaller than the particle size of the molecular sieve filler filled in the nitrogen making tower.
4. The novel nitrogen making tower of claim 1, wherein: and a gas passing channel (7) is arranged between the inner tower (3) and the inner top wall of the outer tower (1).
5. The novel nitrogen making tower of claim 1, wherein: the filter cartridges (4) are uniformly provided with filter holes at intervals in the circumferential direction, and the aperture of each filter hole is smaller than the particle size of the molecular sieve filler filled in the nitrogen making tower.
6. The novel nitrogen making tower of claim 1, wherein: one end of the air outlet pipe (5) is communicated with the interior of the filter cylinder (4), and the air outlet pipe (5) penetrates through the outer tower (1) for sealing treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096592.8U CN218249399U (en) | 2022-05-09 | 2022-05-09 | Novel nitrogen making tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221096592.8U CN218249399U (en) | 2022-05-09 | 2022-05-09 | Novel nitrogen making tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218249399U true CN218249399U (en) | 2023-01-10 |
Family
ID=84756568
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221096592.8U Expired - Fee Related CN218249399U (en) | 2022-05-09 | 2022-05-09 | Novel nitrogen making tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218249399U (en) |
-
2022
- 2022-05-09 CN CN202221096592.8U patent/CN218249399U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| 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: 20230110 |