CN210584333U - Circumferentially distributed combined adsorption tower - Google Patents
Circumferentially distributed combined adsorption tower Download PDFInfo
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- CN210584333U CN210584333U CN201921346503.9U CN201921346503U CN210584333U CN 210584333 U CN210584333 U CN 210584333U CN 201921346503 U CN201921346503 U CN 201921346503U CN 210584333 U CN210584333 U CN 210584333U
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- 238000001179 sorption measurement Methods 0.000 title claims abstract description 29
- 238000002156 mixing Methods 0.000 claims abstract description 23
- 239000007789 gas Substances 0.000 abstract description 78
- 239000002808 molecular sieve Substances 0.000 abstract description 20
- URGAHOPLAPQHLN-UHFFFAOYSA-N sodium aluminosilicate Chemical compound [Na+].[Al+3].[O-][Si]([O-])=O.[O-][Si]([O-])=O URGAHOPLAPQHLN-UHFFFAOYSA-N 0.000 abstract description 20
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 abstract description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 10
- 229910052757 nitrogen Inorganic materials 0.000 abstract description 9
- 238000007789 sealing Methods 0.000 abstract 2
- 238000002360 preparation method Methods 0.000 description 4
- 230000008929 regeneration Effects 0.000 description 4
- 238000011069 regeneration method Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000003795 desorption Methods 0.000 description 2
- 238000011049 filling Methods 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 1
- 239000003463 adsorbent Substances 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 229910052799 carbon Inorganic materials 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Separation Of Gases By Adsorption (AREA)
Abstract
The utility model relates to a circumferential distribution combined adsorption tower, belonging to the technical field of pressure swing adsorption nitrogen making equipment; the gas mixing tank is internally and fixedly connected with a sealing head, a cavity in the gas mixing tank at the upper end of the sealing head is a gas outlet cavity, a plurality of upper gas connecting holes are formed in the side wall of the gas outlet cavity, gas outlet pipe fittings are inserted and fixed in the upper gas connecting holes, a plurality of tower bodies are arranged on the outer side of the gas mixing tank, molecular sieves are arranged in the tower bodies, gas outlet holes are formed in the upper end of the side wall of each tower body, and the other ends of the gas outlet pipe fittings are inserted and fixed; the cavity in the gas mixing tank at the bottom of the end socket is a gas inlet cavity, the side wall of the gas inlet cavity is provided with a plurality of lower gas receiving holes, gas inlet pipe fittings are inserted and fixed in the lower gas receiving holes, and the other ends of the gas inlet pipe fittings are inserted and fixed in corresponding gas inlets; the single tower body is relatively small in size, the manufacturing difficulty is reduced, modular manufacturing is adopted, disassembly, assembly and transportation are convenient, the utilization rate of the molecular sieve is high, the service life is long, and the comprehensive cost of equipment is reduced.
Description
Technical Field
The utility model relates to a pressure swing adsorption nitrogen making equipment technical field, concretely relates to circumference distribution combination formula adsorption tower.
Background
The pressure swing adsorption nitrogen production technology takes a carbon molecular sieve as an adsorbent, and separates oxygen and nitrogen from compressed air by utilizing the principles of pressure adsorption and pressure reduction desorption; the pressure swing adsorption nitrogen making device generally adopts a two-tower structure, one tower is used for adsorption, the other tower is used for desorption (regeneration), and the two towers are connected in parallel and alternately carry out pressurization adsorption and decompression regeneration, so that continuous high-purity nitrogen is obtained; when the required nitrogen amount is larger, on one hand, the volume of the adsorption tower needs to be increased so as to contain more molecular sieves, so that the production and manufacturing cost is improved, and when the volume of the adsorption tower is too large, the dead space in the adsorption tower is also increased, the utilization rate of the effective volume of the adsorption tower for actually filling the molecular sieves is reduced, and the utilization rate of the corresponding molecular sieves is also reduced; in addition, the gas flow is increased, the molecular sieve in the adsorption tower is more severely impacted by adsorption and regeneration gas flow back and forth, the molecular sieve is easy to pulverize, the service life of the molecular sieve is shortened, and sometimes the molecular sieve is sprayed out along with the gas flow and enters subsequent equipment to cause equipment damage; on the other hand, the size of the adsorption tower is increased, the manufacturing requirement on the adsorption tower is greatly improved, and the manufacturing difficulty of pressure container manufacturers is increased; in addition, the enlargement of the whole nitrogen making device brings inconvenience to use, transportation and maintenance, and increases the production cost.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to prior art's defect and not enough, provide a reasonable in design's circumference and distribute combination formula adsorption tower, single tower body volume is less relatively, and the preparation degree of difficulty reduces, adopts the modularization preparation, and dismouting, transportation are all very convenient, and the molecular sieve high-usage, long service life reduces the comprehensive cost of equipment.
In order to achieve the above purpose, the utility model adopts the following technical proposal: the gas mixing tank comprises a gas mixing tank, a tower body, gas outlet pipe fittings, gas inlet pipe fittings, a main gas outlet pipe and a main gas inlet pipe, wherein a seal head is fixedly connected in the gas mixing tank, a cavity in the gas mixing tank on the upper side of the seal head is a gas outlet cavity, a main gas outlet hole is formed in the side wall of the gas outlet cavity, the main gas outlet pipe is embedded and fixed in the main gas outlet hole, a plurality of upper connecting gas holes are formed in the side wall of the gas outlet cavity in an equiangular distribution manner, the gas outlet pipe fittings are inserted and fixed in the upper connecting gas holes, a plurality of tower bodies are arranged on the outer side of the gas mixing tank, a molecular sieve is arranged in each tower body, the upper; the cavity in the gas mixing tank of head bottom is the chamber of admitting air, has seted up total air inlet on the lateral wall in chamber of admitting air, and this total air inlet is interior to be inserted and is established and be fixed with total intake pipe, and circumference equiangular distribution has seted up several lower air vent on the lateral wall in chamber of admitting air, and lower air vent sets up under the last air vent that connects, and lower air vent is interior to be inserted and is established and be fixed with air inlet pipe spare, and the air inlet has all been seted up to the lateral wall bottom of every tower body, and air inlet pipe spare's the other end is inserted and.
Furthermore, the other end of the main air outlet pipe is fixedly connected with an air outlet flange.
Furthermore, the other end of the main air inlet pipe is fixedly connected with an air inlet flange.
Furthermore, the main air inlet and the main air outlet are arranged on the same vertical axis.
Furthermore, the air inlet and the air outlet are arranged on the same vertical axis.
After the structure is adopted, the beneficial effects of the utility model are that: the utility model discloses in a circumference distribution combination formula adsorption tower, single tower body volume is less relatively, the preparation degree of difficulty reduces, adopts the modularization preparation, dismouting, transportation are all very convenient, the molecular sieve high-usage, long service life reduces the comprehensive cost of equipment.
Description of the drawings:
fig. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a top view of fig. 1.
Fig. 3 is a schematic structural diagram of the tower body of the present invention.
Fig. 4 is a schematic structural diagram of the mixed gas tank of the present invention.
Description of reference numerals:
the tower body 1, the molecular sieve 1-1, the air outlet holes 1-2, the air inlet 1-3, the air mixing tank 2, the upper air receiving hole 2-1, the total air outlet hole 2-2, the lower air receiving hole 2-3, the total air inlet 2-4, the air outlet cavity 2-5, the seal head 2-6, the air inlet cavity 2-7, the air outlet pipe 3, the air inlet pipe 4, the total air outlet pipe 5, the air outlet flange 6, the total air inlet pipe 7 and the air inlet flange 8.
The specific implementation mode is as follows:
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.
As shown in fig. 1 to 4, the following technical solutions are adopted in the present embodiment: the device comprises a gas mixing tank 2, a tower body 1, gas outlet pipe fittings 3, gas inlet pipe fittings 4, a main gas outlet pipe 5 and a main gas inlet pipe 7, wherein a seal head 2-6 is fixedly welded in the gas mixing tank 2, a cavity in the gas mixing tank 2 at the upper end of the seal head 2-6 is a gas outlet cavity 2-5, a main gas outlet hole 2-2 is arranged on the side wall of the gas outlet cavity 2-5, the main gas outlet pipe 5 is embedded and fixedly welded in the main gas outlet hole 2-2, a gas outlet flange 6 is fixedly welded at the other end of the main gas outlet pipe 5, four upper gas connecting holes 2-1 are arranged on the side wall of the gas outlet cavity 2-5 in an equiangular distribution manner on the circumference, the gas outlet pipe fittings 3 are inserted and fixedly welded in the upper gas connecting holes 2-1, four tower bodies 1 are arranged on the outer side of the gas mixing tank 2, a molecular sieve 1-, the other end of the air outlet pipe fitting 3 is inserted and welded and fixed in the corresponding air outlet hole 1-2; the cavity in the gas mixing tank 2 at the bottom of the end socket 2-6 is a gas inlet cavity 2-7, the side wall of the gas inlet cavity 2-7 is provided with a total gas inlet 2-4, the total gas inlet 2-4 and a total gas outlet 2-2 are arranged on the same vertical axis, a total gas inlet pipe 7 is inserted into and welded and fixed in the total gas inlet 2-4, the other end of the total gas inlet pipe 7 is welded and fixed with a gas inlet flange 8, the side wall of the gas inlet cavity 2-7 is provided with four lower gas holes 2-3 in an equiangular distribution manner, the lower gas holes 2-3 are arranged right below the upper gas holes 2-1, gas inlet pipe fittings 4 are inserted into and welded and fixed in the lower gas holes 2-3, the bottom of the side wall of each tower body 1 is provided with a gas inlet 1-3, and the gas inlet 1-3 and the, the other end of the air inlet pipe fitting 4 is inserted and welded and fixed in the corresponding air inlet 1-3.
The working principle of the specific embodiment is as follows: when the adsorption tower device is used, compressed air enters the air mixing tank 2 from the main air inlet pipe 7 through pre-stage air pretreatment, and then enters the tower bodies 1 through the air inlet cavities 2-7 by being dispersed through the air inlet pipe fittings 4; compressed air is absorbed by the molecular sieves 1-1 in the tower bodies 1, generated nitrogen enters the air outlet cavities 2-5 of the air mixing tank 2 through the air outlet pipe fittings 3 to be mixed, and then enters the post-stage equipment from the main air outlet pipe 5.
After adopting above-mentioned structure, this embodiment's beneficial effect is as follows:
1. the tower is formed by combining a plurality of circumferentially distributed tower bodies 1, and the single tower body 1 has relatively small volume and low manufacturing difficulty;
2. the molecular sieve 1-1 is filled in the tower body 1, the effective filling volume is increased, the utilization rate of the molecular sieve 1-1 is increased, under the same condition, the total volume of the tower body 1 of the required adsorption tower can be correspondingly reduced, and the manufacturing cost is reduced; meanwhile, the impact of the airflow generated by adsorption and regeneration is also dispersed, the impact strength of the molecular sieve 1-1 is relatively weakened, and the service life of the molecular sieve 1-1 is prolonged;
3. the tower body 1 can be made in a modularized mode, and is convenient to disassemble, assemble and transport, so that the cost is reduced.
Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.
Claims (5)
1. The utility model provides a circumference distribution combination formula adsorption tower which characterized in that: the tower comprises a gas mixing tank (2), a tower body (1), gas outlet pipe fittings (3), gas inlet pipe fittings (4), a total gas outlet pipe (5) and a total gas inlet pipe (7), wherein a seal head (2-6) is fixedly connected in the gas mixing tank (2), a cavity in the gas mixing tank (2) at the upper side of the seal head (2-6) is a gas outlet cavity (2-5), a total gas outlet hole (2-2) is formed in the side wall of the gas outlet cavity (2-5), the total gas outlet pipe (5) is embedded and fixed in the total gas outlet hole (2-2), a plurality of upper gas receiving holes (2-1) are formed in the side wall of the gas outlet cavity (2-5) in an equiangular distribution manner, the gas outlet pipe fittings (3) are inserted and fixed in the upper gas receiving holes (2-1), a plurality of tower bodies (1) are arranged at the outer side of the gas mixing tank (2, the upper end of the side wall of each tower body (1) is provided with an air outlet hole (1-2), and the other end of the air outlet pipe fitting (3) is inserted and fixed in the corresponding air outlet hole (1-2); the cavity in the gas mixing tank (2) at the bottom of the end socket (2-6) is a gas inlet cavity (2-7), the side wall of the gas inlet cavity (2-7) is provided with a total gas inlet (2-4), a total gas inlet pipe (7) is inserted and fixed in the total gas inlet (2-4), the side wall of the gas inlet cavity (2-7) is provided with a plurality of lower gas holes (2-3) in an equiangular distribution manner, the lower gas holes (2-3) are arranged right below the upper gas holes (2-1), gas inlet pipe fittings (4) are inserted and fixed in the lower gas holes (2-3), the bottom of the side wall of each tower body (1) is provided with gas inlets (1-3), and the other ends of the gas inlet pipe fittings (4) are inserted and fixed in the corresponding gas inlets (1-3).
2. The circumferentially distributed modular adsorption column of claim 1, wherein: the other end of the main air outlet pipe (5) is fixedly connected with an air outlet flange (6).
3. The circumferentially distributed modular adsorption column of claim 1, wherein: the other end of the main air inlet pipe (7) is fixedly connected with an air inlet flange (8).
4. The circumferentially distributed modular adsorption column of claim 1, wherein: the total air inlet (2-4) and the total air outlet (2-2) are arranged on the same vertical axis.
5. The circumferentially distributed modular adsorption column of claim 1, wherein: the air inlet (1-3) and the air outlet (1-2) are arranged on the same vertical axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921346503.9U CN210584333U (en) | 2019-08-20 | 2019-08-20 | Circumferentially distributed combined adsorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921346503.9U CN210584333U (en) | 2019-08-20 | 2019-08-20 | Circumferentially distributed combined adsorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210584333U true CN210584333U (en) | 2020-05-22 |
Family
ID=70702078
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921346503.9U Active CN210584333U (en) | 2019-08-20 | 2019-08-20 | Circumferentially distributed combined adsorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210584333U (en) |
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2019
- 2019-08-20 CN CN201921346503.9U patent/CN210584333U/en active Active
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