CN217490314U - Novel molecular sieve adsorber of a tower double-purpose - Google Patents
Novel molecular sieve adsorber of a tower double-purpose Download PDFInfo
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- CN217490314U CN217490314U CN202221402600.7U CN202221402600U CN217490314U CN 217490314 U CN217490314 U CN 217490314U CN 202221402600 U CN202221402600 U CN 202221402600U CN 217490314 U CN217490314 U CN 217490314U
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Abstract
The utility model discloses a novel molecular sieve adsorber of a tower double-purpose belongs to molecular sieve adsorber technical field. The utility model comprises an upper tower body and a lower tower body, wherein a middle supporting layer is arranged between the upper tower body and the lower tower body, a transition pipeline is arranged in the middle supporting layer, an upper tower body waste nitrogen outlet pipe is arranged at the upper part of the side wall of the transition pipeline, and a lower tower body air outlet pipe is arranged at the lower part of the side wall of the transition pipeline; the inside of the upper tower body and the inside of the lower tower body are both provided with adsorption devices, and the top of the upper tower body is provided with an upper tower body waste nitrogen inlet pipe; and a lower tower body air inlet pipe is arranged at the bottom of the lower tower body. The utility model discloses combine two adsorption towers together, realize a tower double-purpose, satisfy simultaneously and adsorb and analyze the requirement that switches over the use, realize that a tower satisfies two molecular sieve adsorber independent operation functions, the area of the tower body that can significantly reduce, conditions such as adaptation construction place is limited.
Description
Technical Field
The utility model relates to a molecular sieve adsorber technical field, more specifically say, relate to a novel molecular sieve adsorber of tower double-purpose.
Background
The molecular sieve adsorber is a common device in an air separation project and is used for adsorbing and purifying air. The adsorber is filled with alumina and molecular sieve, and can adsorb impurities such as carbon dioxide, moisture, acetylene, hydrocarbon and the like in the air. When the adsorption is saturated, high-temperature desorption is required. In the air separation project, dirty nitrogen from a cold box is generally heated to 170 ℃ by a heater, and is sent to an adsorber as a resolving medium to heat an adsorbing material in the adsorber so as to realize alternate cyclic regeneration.
In order to ensure the continuous operation of the system, a single set of air separation project is generally provided with two molecular sieve adsorbers, and the two molecular sieve adsorbers are switched for use. Namely, one is always in the adsorption working state, and the other is in the analysis working state. The switching period of the purifier is about 8 hours, and the purifier is automatically switched at regular time.
The air separation project has more equipment, and has safety distance requirement when being arranged among the equipment. When the construction site is limited, the arrangement is difficult.
SUMMERY OF THE UTILITY MODEL
1. Technical problem to be solved by the utility model
The defect and not enough to prior art exist, the utility model provides a novel molecular sieve adsorber of a tower double-purpose, the utility model discloses combine two adsorption towers organic together, realize a tower double-purpose, satisfy simultaneously and adsorb and resolve the requirement that switches over the use, realize that a tower satisfies two molecular sieve adsorber independent operation functions, the area of the tower body that can significantly reduce adapts to situations such as the construction place is limited.
2. Technical scheme
In order to achieve the above purpose, the utility model provides a technical scheme does:
the utility model discloses a tower double-purpose novel molecular sieve adsorber, including upper portion tower body and lower part tower body, upper portion tower body and lower part tower body between be provided with the intermediate support layer, be provided with the transition pipeline in the intermediate support layer, the upper and lower both ends of transition pipeline communicate with upper portion tower body, lower part tower body respectively, the middle part of transition pipeline is provided with the inside welding closure plate, the lateral wall upper portion of transition pipeline is provided with upper portion tower body dirty nitrogen outlet pipe, the lateral wall lower part of transition pipeline is seted up lower part tower body air outlet pipe;
adsorption devices are arranged inside the upper tower body and the lower tower body, an upper sealing plate is arranged at the top of the adsorption device inside the upper tower body, and an upper tower body waste nitrogen inlet pipe is arranged at the top of the upper tower body;
the bottom of lower part tower body be provided with the lower part supporting layer, be provided with lower part tower body air intake pipe in the lower part supporting layer, the water conservancy diversion hole has been seted up at the top of lower part supporting layer.
Further, the upper tower body and the lower tower body are two independent tower bodies, the two tower bodies work alternately, and it is always ensured that one tower body is in an adsorption state and the other tower body is in an analytic state.
Furthermore, when the adsorption state works, air enters from the lower tower body air inlet pipe, is adsorbed by the adsorption device and is discharged from the lower tower body air outlet pipe; when the device works in an analytic state, high-temperature sewage nitrogen enters from the upper tower body sewage nitrogen inlet pipe, reversely flows to the adsorption device and is discharged from the upper tower body sewage nitrogen outlet pipe.
Furthermore, the input end of the lower tower body air inlet pipe is communicated with the inner cavity of the lower supporting layer.
Furthermore, the transition pipeline is divided into two parts by the inner welding blocking plate, the upper end of the transition pipeline extends into the upper tower body, and the lower end of the transition pipeline extends into the lower tower body.
3. Advantageous effects
Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:
the utility model discloses combine two adsorption towers together, realize a tower double-purpose, satisfy simultaneously and adsorb and analyze the requirement that switches over the use, realize that a tower satisfies two molecular sieve adsorber independent operation functions, the area of the tower body that can significantly reduce, conditions such as adaptation construction place is limited.
Drawings
FIG. 1 is an overall structure diagram of the present invention;
FIG. 2 is a cross-sectional view of the adsorption apparatus of the present invention;
fig. 3 is a diagram of the tower body switching operation state of the present invention.
In the figure: 1. an upper tower body; 2. an upper tower body waste nitrogen outlet pipe; 3. an upper tower body waste nitrogen inlet pipe; 4. a middle support layer; 41. a transition duct; 5. an adsorption device; 6. an adsorption device bracket; 7. a lower tower body; 8. a lower tower air inlet pipe; 9. a lower tower air outlet pipe; 10. a lower support layer; 101. a flow guide hole; 11. welding a blocking plate inside; 12. and an upper closing plate. .
Detailed Description
The invention is further described with reference to the following figures and examples:
example 1
As can be seen from fig. 1-2, the one-tower dual-purpose novel molecular sieve adsorber of the present embodiment includes an upper tower body 1 and a lower tower body 7, wherein an intermediate support layer 4 is disposed between the upper tower body 1 and the lower tower body 7, a transition pipeline 41 is disposed in the intermediate support layer 4, an upper end and a lower end of the transition pipeline 41 are respectively communicated with the upper tower body 1 and the lower tower body 7, an inner welding blocking plate 11 is disposed in the middle of the transition pipeline 41, an upper tower body waste nitrogen outlet pipe 2 is disposed on the upper portion of a side wall of the transition pipeline 41, and a lower tower body air outlet pipe 9 is disposed on the lower portion of the side wall of the transition pipeline 41;
the adsorption devices 5 are arranged inside the upper tower body 1 and the lower tower body 7, the top of the adsorption device 5 inside the upper tower body 1 is provided with an upper sealing plate 12, and the top of the upper tower body 1 is provided with an upper tower body waste nitrogen inlet pipe 3;
the bottom of the lower tower body 7 is provided with a lower supporting layer 10, a lower tower body air inlet pipe 8 is arranged in the lower supporting layer 10, and the top of the lower supporting layer 10 is provided with a flow guide hole 101.
The upper tower body 1 and the lower tower body 7 are two independent tower bodies, and the two tower bodies alternately work to always ensure that one tower body is in an adsorption state and the other tower body is in an analytic state.
Taking fig. 1-2 as an example, fig. 1 is a schematic diagram of the operation state of the lower tower adsorption and the upper tower desorption, the adsorption device 5 is a hollow cylinder, and when the adsorption state is in operation, air flows from the outer ring to the inner ring of the adsorption device 5; when the device works in an analytic state, high-temperature sewage nitrogen flows to the inner ring from the outer ring of the adsorption device 5.
When the tower body is in an adsorption state, air enters from the lower tower body air inlet pipe 8, is adsorbed by the adsorption device 5 and then is discharged from the lower tower body air outlet pipe 9; when the analysis state works, high-temperature sewage nitrogen enters from the upper tower sewage nitrogen inlet pipe 3, reversely flows through the adsorption device 5, and is discharged from the upper tower sewage nitrogen outlet pipe 2.
The input end of the lower tower body air inlet pipe 8 is communicated with the inner cavity of the lower supporting layer 10.
An adsorption device bracket 6 is arranged on the outer ring of the adsorption device 5, the middle supporting layer 4 is used for supporting the upper tower body 1, the lower supporting layer 10 is used for supporting the lower tower body 7, and the adsorption device bracket 6 is used for assisting in supporting the adsorption device 5 so as to reduce the bearing force of the middle supporting layer 4 and the lower supporting layer 10.
The transition pipeline 41 is divided into two parts by the inner welding blocking plate 11, the upper end of the transition pipeline 41 extends into the upper tower body 1, and the lower end of the transition pipeline 41 extends into the lower tower body 7.
Example 2
As can be seen from fig. 3, in addition to embodiment 1, the upper tower 1 and the lower tower 7 alternately operate, and fig. 3 is a schematic view showing the lower tower analysis and the upper tower adsorption operation.
After working for a period of time (the switching period of the purifier is about 8 hours), the upper tower body 1 and the lower tower body 7 are automatically switched at regular time, as shown in fig. 3, the lower tower is switched to an analytic working state at this time, and the upper tower is switched to an adsorption working state;
when the adsorption state works, air flows from the inner ring to the outer ring of the adsorption device 5; when the device works in an analytic state, high-temperature sewage nitrogen flows from the inner ring to the outer ring of the adsorption device 5.
When the upper tower body 1 is switched to adsorption work, the upper tower body waste nitrogen inlet pipe 3 is used as an air outlet pipeline, the upper tower body waste nitrogen outlet pipe 2 is used as an air inlet pipeline, when the lower tower body 7 is switched to analysis work, the lower tower body air inlet pipe 8 is used as a waste nitrogen outlet pipeline, the lower tower body air outlet pipe 9 is used as a waste nitrogen inlet pipeline, and when the adsorption work is carried out, air is introduced from the upper tower body waste nitrogen outlet pipe 2, is adsorbed by the adsorption device 5 and is discharged from the upper tower body waste nitrogen inlet pipe 3; during analysis work, high-temperature sewage nitrogen enters from the lower tower body air outlet pipe 9, flows to the adsorption device 5 and is discharged from the lower tower body air inlet pipe 8.
The utility model discloses combine two adsorption towers together, realize a tower double-purpose, satisfy simultaneously and adsorb and analyze the requirement that switches over the use, realize that a tower satisfies two molecular sieve adsorber independent operation functions, the area of tower body that can significantly reduce adapts to situations such as construction place is limited, reduces device area, and the economic benefits of its operation can be examined in future practice operation.
The present invention and its embodiments have been described above schematically, and the description is not limited thereto, and what is shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. Therefore, if the person skilled in the art receives the teaching of the present invention, without departing from the inventive spirit of the present invention, the person skilled in the art should also design the similar structural modes and embodiments without creativity to the technical solution, and all shall fall within the protection scope of the present invention.
Claims (5)
1. A novel molecular sieve adsorber of tower double-purpose, including upper portion tower body (1) and lower part tower body (7), its characterized in that: a middle supporting layer (4) is arranged between the upper tower body (1) and the lower tower body (7), a transition pipeline (41) is arranged in the middle supporting layer (4), the upper end and the lower end of the transition pipeline (41) are respectively communicated with the upper tower body (1) and the lower tower body (7), an inner welding blocking plate (11) is arranged in the middle of the transition pipeline (41), an upper tower body polluted nitrogen outlet pipe (2) is arranged on the upper portion of the side wall of the transition pipeline (41), and a lower tower body air outlet pipe (9) is arranged on the lower portion of the side wall of the transition pipeline (41);
the adsorption devices (5) are arranged inside the upper tower body (1) and the lower tower body (7), the top of the adsorption device (5) inside the upper tower body (1) is provided with an upper sealing plate (12), and the top of the upper tower body (1) is provided with an upper tower body waste nitrogen inlet pipe (3);
the bottom of lower part tower body (7) be provided with lower part supporting layer (10), be provided with lower part tower body air inlet pipe (8) in lower part supporting layer (10), water conservancy diversion hole (101) have been seted up at the top of lower part supporting layer (10).
2. The one-tower dual-purpose novel molecular sieve adsorber of claim 1, characterized in that: the upper tower body (1) and the lower tower body (7) are two independent tower bodies, the two tower bodies alternately work, and one tower body is always ensured to be in an adsorption state while the other tower body is in an analytic state.
3. The one-tower dual-purpose novel molecular sieve adsorber of claim 2, wherein: when the adsorption state works, air enters from the lower tower body air inlet pipe (8), is adsorbed by the adsorption device (5), and is discharged from the lower tower body air outlet pipe (9); when the device works in an analytic state, high-temperature sewage nitrogen enters from the upper tower sewage nitrogen inlet pipe (3), reversely flows to the adsorption device (5) and is discharged from the upper tower sewage nitrogen outlet pipe (2).
4. The one-tower dual-purpose novel molecular sieve adsorber of claim 1, characterized in that: the input end of the lower tower body air inlet pipe (8) is communicated with the inner cavity of the lower supporting layer (10).
5. The one-tower dual-purpose novel molecular sieve adsorber of claim 1, characterized in that: the internal welding blocking plate (11) divides the transition pipeline (41) into two parts, the upper end of the transition pipeline (41) extends into the upper tower body (1), and the lower end of the transition pipeline (41) extends into the lower tower body (7).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN202221402600.7U CN217490314U (en) | 2022-06-07 | 2022-06-07 | Novel molecular sieve adsorber of a tower double-purpose |
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| CN202221402600.7U CN217490314U (en) | 2022-06-07 | 2022-06-07 | Novel molecular sieve adsorber of a tower double-purpose |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939326A (en) * | 2022-06-07 | 2022-08-26 | 中冶华天工程技术有限公司 | Novel molecular sieve adsorber of a tower double-purpose |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114939326A (en) * | 2022-06-07 | 2022-08-26 | 中冶华天工程技术有限公司 | Novel molecular sieve adsorber of a tower double-purpose |
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