CN211070116U - Active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator - Google Patents
Active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator Download PDFInfo
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- CN211070116U CN211070116U CN201921900745.8U CN201921900745U CN211070116U CN 211070116 U CN211070116 U CN 211070116U CN 201921900745 U CN201921900745 U CN 201921900745U CN 211070116 U CN211070116 U CN 211070116U
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Abstract
The utility model discloses an active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator, active burnt regenerator regeneration tower regeneration gas air exhaust device, include: a tube array for circulating the active coke; an air extraction hood; and, a tube sheet for mounting the tubes; the upper ends of the tubes are connected with the tube plate, and the lower ends of the tubes are suspended in the air; the air exhaust cover comprises an upper plate and an air guide plate, and the side wall of an air exhaust cavity which forms an air exhaust cavity is surrounded by the upper plate and the air guide plate and is provided with an air exhaust opening; the length dimension of the tube nest is larger than the length dimension of the air guide plate along the axial direction of the tube nest. The utility model discloses in the effectual active burnt bigger quantization's of letting get into its absorption-regeneration cycle use, reduced the blocking phenomenon of exhaust line, guaranteed the thorough and promptness of bleeding in the air exhaust process, improved the stability of air resistance, the stability of SOx/NOx control system operation, product quality and efficiency.
Description
Technical Field
The utility model relates to a regeneration tower technical field indicates an active burnt regeneration tower regeneration gas air exhaust device and active burnt regeneration tower especially.
Background
In the activated coke regeneration tower, gas carried in the activated coke can be pumped away by a regeneration gas pumping device in time in the heating and volatilizing process, and meanwhile, the regeneration of the activated coke and the recycling of the gas are realized, so that a desulfurization and denitrification system can continuously operate due to the adsorption-regeneration process of the activated coke; consequently, the operational stability and the treatment effeciency of SOx/NOx control system have been decided to regeneration gas air exhaust device's performance, because the design is unreasonable among the current regeneration gas air exhaust device, lead to tiny particle and material dirt in the active burnt to be taken out and detained in the exhaust tube, lead to the jam of exhaust tube, thereby lead to regeneration gas air exhaust device to in time take out the regeneration gas and influenced the regeneration quality and the efficiency of active burnt, and the jam of exhaust tube leads to bleeding thoroughly and air resistance fluctuation big, and then influenced the stability and the treatment effeciency of whole SOx/NOx control system debugging, the operation degree of difficulty has been improved. Therefore, how to improve the working performance of the regeneration gas extraction device is a difficult problem to be solved urgently by those skilled in the art.
Disclosure of Invention
The utility model aims at providing an active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator, the effectual active burnt bigger quantization of letting gets into its absorption-regeneration cycle in-process, has reduced the blocking phenomenon of exhaust pipe, has guaranteed the thorough and timeliness of bleeding of in-process of bleeding, has improved air resistance's stability, SOx/NOx control system operation's stability, product quality and efficiency.
The utility model provides a technical scheme as follows:
a regeneration gas extraction device of an active coke regeneration tower comprises:
a tube array for circulating the active coke;
an air extraction hood; and the number of the first and second groups,
a tube sheet for mounting the tubes;
the upper ends of the tubes are connected with the tube plate, and the lower ends of the tubes are arranged in a suspended manner; the tube plate is provided with an active coke through hole corresponding to each tube array, and the active coke through holes are communicated with the tube arrays;
the extraction hood comprises an upper plate and an air guide plate, the upper plate and the tube plate are arranged in parallel, the first end, close to one side of the tube plate, of the upper plate is connected with the side wall of the regeneration tower, the second end, far away from one side of the tube plate, of the upper plate is connected with the upper end of the air guide plate, the lower end of the air guide plate is connected with the side wall of the regeneration tower, and the upper end of the air guide plate is far away from the tubulation; the lower end of the air guide plate is arranged close to the tubes, the upper plate and the air guide plate are arranged in a surrounding mode to form an air exhaust cavity, an air exhaust channel for communicating the air exhaust cavity with the inner space of the regeneration tower is arranged on the side wall of the regeneration tower corresponding to the tubes, and an air exhaust opening is formed in the side wall of the air exhaust cavity;
the length dimension of the tube nest is larger than the length dimension of the air guide plate along the axial direction of the tube nest.
Further preferably, the included angle between the air guide plate and the plate surface of the tube plate is greater than 35 °.
Further preferably, the included angle between the air guide plate and the plate surface of the tube plate is 45-60 degrees.
Further preferably, the air exhaust port is provided in the tube plate between the upper side wall of the air guide plate and the upper end of the tube array.
Further preferably, the air guide plate comprises a vertical plate and an inclined plate, and the vertical plate is arranged above the inclined plate; the riser with the tube sheet is connected, just the riser with the tube sheet sets up perpendicularly.
The utility model also provides an active burnt regenerator column, include:
the interior of the tower body is sequentially connected by an inlet air locking valve, a heating bin, a reaction bin, a cooling bin and an outlet air locking valve from top to bottom;
a heating heat exchanger is arranged in the heating bin and is connected with a heat source device;
a cooling heat exchanger is arranged in the cooling bin, a preheating bin is arranged between the inlet air locking valve and the heating bin, and the preheating bin is provided with a preheating heat exchanger;
the preheating heat exchanger, a circulating medium heat exchanger, a circulating pump and a cooling heat exchanger form a heat circulating system;
any one of the regenerated gas pumping devices of the active coke regeneration tower is arranged between the preheating bin and the heating bin;
any one of the regenerated gas pumping devices of the active coke regeneration tower is arranged between the heating bin and the reaction bin;
and the active coke regeneration tower regenerated gas pumping device is connected with a gas pump to recover the desorption gas.
Further preferably, any one of the above regenerated gas pumping devices of the activated coke regeneration tower is arranged between the cooling bin and the outlet air-lock valve, and a gas purging port is arranged on the regenerated gas pumping device of the activated coke regeneration tower between the cooling bin and the outlet air-lock valve.
The utility model provides a pair of active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator tower can bring following at least one beneficial effect:
1. in the utility model, when the active coke flows from the upper part of the tube plate to the lower end of the tube array through the active coke through holes and the tube array, since the dimension of the column tube in the height direction of the active coke regeneration tower (i.e. the length dimension of the column tube) is larger than the dimension of the air guide plate in the height direction of the active coke regeneration tower, therefore, the accumulation top surface of the active coke positioned below the tubes is lower than the lower side wall of the air guide plate, so that in the process of air extraction through the air extraction port, when the small particles and the material dust impact the air guide plate, most of the small particles and the material dust naturally slide down along the wall surface of the air guide plate and go away from the active coke circulation with the active coke below the tubes, so that the phenomenon that the small particles and the material dust flow to the air extraction pipeline along with the air flow and are accumulated on the air extraction pipeline to reduce the air extraction channel of the air extraction pipeline (the arrangement is blocked) is avoided, the maintenance and cleaning frequency of the extraction pipeline is high, the maintenance workload and the maintenance cost are high, and the regeneration quality of the active coke is influenced; the blockage of the air extraction pipeline further causes incomplete and untimely air extraction in the air extraction process, and the airflow resistance fluctuation is large, so that the stability in the active coke adsorption-regeneration (namely, a desulfurization and denitrification system) process is influenced, and the debugging difficulty and the operation difficulty in the active coke adsorption-regeneration process are improved; preferably, one end of the tube array is fixed on the tube plate, and the other end of the tube array is arranged in a suspended manner, so that the lower end of the tube array can slightly swing in the process of conveying the active coke, the active coke can more smoothly pass through the tube array, and the material circulation performance at the tube array is ensured; in conclusion, the utility model discloses the effectual active burnt of letting more quantifys get into its absorption-regeneration cycle in-process, reduced the blocking phenomenon of exhaust line, guaranteed to bleed thoroughly and timely in the process of bleeding, improved the stability of the air resistance of exhaust line, improved the stability of system operation and the active burnt product quality and the efficiency of absorption-regeneration in-process.
2. The utility model discloses in, the parameter of air deflector refines (the angle setting and the structure setting of air deflector) and has further improved the probability of tiny particle and material dirt flow to the column pipe below, has further improved the smoothness of aspiration line and the stability of air resistance. Preferably, the extraction opening is arranged on the tube plate, so that the small particles and the material dust need to move upwards for a certain distance in the extraction process, and the small particles and the material dust are easier to slide to the lower part of the tube array and the adsorption-regeneration process of the active coke under the action of gravity and are not easy to flow to the extraction pipeline.
3. The utility model discloses in, the regeneration tower passes through the suction of this active burnt regeneration tower regeneration gas air exhaust device of multilayer to the regeneration gas of active burnt to active burnt regeneration efficiency and regeneration quality have been guaranteed, and then the stability and the high efficiency nature of SOx/NOx control system operation have been guaranteed.
Drawings
The above characteristics, technical features, advantages and implementations of the active coke regeneration tower regeneration gas extraction device and the active coke regeneration tower will be further described in the following description of preferred embodiments in a clearly understandable manner with reference to the accompanying drawings.
FIG. 1 is a schematic structural diagram of an embodiment of the regenerated gas pumping device of the activated coke regeneration tower of the present invention.
The reference numbers illustrate:
11. the tower comprises a tube array, 111 parts of upper ends, 112 parts of lower ends, 12 parts of tube plates, 13 parts of air guide plates, 131 parts of vertical plates, 132 parts of inclined plates, 14 parts of air extraction cavities, 15 parts of air extraction ports, 16 parts of upper plates, 21 parts of upper layer active coke, 22 parts of lower layer active coke, 31 parts of a tower body and an included angle a.
Detailed Description
In order to more clearly illustrate embodiments of the present invention or technical solutions in the prior art, specific embodiments of the present invention will be described below with reference to the accompanying drawings. It is obvious that the drawings in the following description are only examples of the invention, and that for a person skilled in the art, other drawings and embodiments can be obtained from these drawings without inventive effort.
For the sake of simplicity, the drawings only schematically show the parts relevant to the present invention, and they do not represent the actual structure of the product. In addition, in order to make the drawings concise and understandable, components having the same structure or function in some of the drawings are only schematically illustrated or only labeled. In this document, "one" means not only "only one" but also a case of "more than one".
In this context, it is to be understood that, unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In an embodiment of the present invention, as shown in fig. 1, a regeneration gas extraction device for an active coke regeneration tower includes: a tube array 11 for circulating active coke; an air extraction hood; and, a tube plate 12 for mounting the tubes 11; the upper ends of the tubes 11 are connected with the tube plate 12, and the lower ends of the tubes 11 are arranged in a suspended manner; the tube plate 12 is provided with an active coke through hole corresponding to each tube array 11, and the active coke through holes are communicated with the tube arrays 11; the air extraction hood comprises an upper plate 16 and an air guide plate 13, the upper plate 16 is arranged in parallel with the tube plate 12, the first end of the upper plate 16, close to one side of the tube plate 12, is connected with the side wall of the regeneration tower, the second end of the upper plate 16, far away from one side of the tube plate 12, is connected with the upper end of the air guide plate 13, the lower end of the air guide plate 13 is connected with the side wall of the regeneration tower, and the upper end of the air guide plate 13 is arranged far away from the shell and tube 11; the lower end of the air guide plate 13 is arranged close to the tubes 11, the upper plate 16 and the air guide plate 13 are arranged in a surrounding manner to form an air extraction cavity 14, an air extraction channel for communicating the air extraction cavity 14 with the inner space of the regeneration tower is arranged on the side wall of the regeneration tower corresponding to the tubes 11, and an air extraction opening 15 is formed in the side wall of the air extraction cavity 14; the length dimension of the tubes 11 is larger than the length dimension of the air guide plate 13 in the axial direction of the tubes 11. In practical applications, the upper plate 16 may be flush with the tube sheet 12, and in this case, the upper plate and the tube sheet 12 may be integrally formed or two separate parts; of course, the upper plate 16 may also be disposed below the tube sheet 12. The pumping hole 15 may be formed on the upper plate 16 or the air guide plate 13. And the air exhaust port 15 may be provided with one or more than one, and may be specifically set according to the generation rate of the regeneration gas. Since the plurality of tubes 11 are installed in parallel with each other on the tube sheet 12, the size of the gap between the adjacently arranged tubes 11, the length size of the tubes 11, and the difference in distance between the length size of the tubes 11 and the length size of the gas guide plate 13 in the axial direction of the tubes 11 can be set according to practical use.
In another embodiment of the present invention, as shown in fig. 1, a regeneration gas extraction device for an active coke regeneration tower includes: a tube array 11 for circulating active coke; an air extraction hood; and, a tube plate 12 for mounting the tubes 11; the upper ends of the tubes 11 are connected with the tube plate 12, and the lower ends of the tubes 11 are arranged in a suspended manner; the tube plate 12 is provided with an active coke through hole corresponding to each tube array 11, and the active coke through holes are communicated with the tube arrays 11; the air extraction hood comprises an upper plate 16 and an air guide plate 13, the upper plate 16 is arranged in parallel with the tube plate 12, the first end of the upper plate 16, close to one side of the tube plate 12, is connected with the side wall of the regeneration tower, the second end of the upper plate 16, far away from one side of the tube plate 12, is connected with the upper end of the air guide plate 13, the lower end of the air guide plate 13 is connected with the side wall of the regeneration tower, and the upper end of the air guide plate 13 is arranged far away from the shell and tube 11; the lower end of the air guide plate 13 is arranged close to the tubes 11, the upper plate 16 and the air guide plate 13 are arranged in a surrounding manner to form an air extraction cavity 14, an air extraction channel for communicating the air extraction cavity 14 with the inner space of the regeneration tower is arranged on the side wall of the regeneration tower corresponding to the tubes 11, and an air extraction opening 15 is formed in the side wall of the air extraction cavity 14; the length dimension of the tube nest 11 is larger than the length dimension of the air guide plate 13 along the axial direction of the tube nest 11; the side wall of the air exhaust cavity 14 is provided with an air exhaust opening 15; the included angle a between the air guide plate 13 and the plate surface of the tube plate 12 is larger than 35 degrees. The stacking angle of the active coke in the active coke regeneration tower is generally 35 °, so in order to facilitate the small particles and the material dust to fall back into the lower layer of active coke 22, the included angle a between the air guide plate 13 and the plate surface of the tube plate 12 is preferably larger than the stacking angle of the active coke in the active coke regeneration tower. Further preferably, the included angle between the air guide plate 13 and the plate surface of the tube plate 12 is 45-60 degrees. Preferably, the air guide plate 13 includes a vertical plate 131 and a sloping plate 132, the vertical plate 131 is disposed above the sloping plate 132; the riser 131 is connected with the upper plate 16, and the riser 131 is arranged perpendicular to the upper plate 16. The included angle formed by the inclined plate 132 and the plate surface of the tube plate 12 is an included angle a, and the included angle a is preferably larger than the accumulation angle of the active coke in the active coke regeneration tower. Further preferably, the included angle a is 45-60 degrees. Preferably, the end of the sloping plate 132 on the side away from the vertical plate 131 is connected to the tower body 31 of the active coke regeneration tower. Preferably, the suction opening 15 is provided in the upper plate 16 between the upper side wall of the air guide plate 13 and the upper ends 111 of the tubes 11.
In another embodiment of the present invention, as shown in fig. 1, an active coke regeneration tower comprises: the tower body 31 is characterized in that the interior of the tower body 31 is sequentially connected with an inlet air locking valve, a heating bin, a reaction bin, a cooling bin and an outlet air locking valve from top to bottom; a heating heat exchanger is arranged in the heating bin and is connected with a heat source device; a cooling heat exchanger is arranged in the cooling bin, a preheating bin is arranged between the inlet air locking valve and the heating bin, and a preheating heat exchanger is arranged in the preheating bin; the preheating heat exchanger, a circulating medium heat exchanger, a circulating pump and a cooling heat exchanger form a heat circulating system; any one of the active coke regeneration tower regenerated gas pumping devices is arranged between the preheating bin and the heating bin; any one of the active coke regeneration tower regenerated gas pumping devices is arranged between the heating bin and the reaction bin; the active coke regeneration tower regenerated gas exhaust device is connected with an air pump to recover the desorption gas. Preferably, any one of the above regenerated gas pumping devices of the activated coke regeneration tower is arranged between the cooling bin and the outlet air-lock valve, and a gas purging port is arranged on the regenerated gas pumping device of the activated coke regeneration tower between the cooling bin and the outlet air-lock valve. Preferably, carbon dioxide or nitrogen is introduced into the gas purge port. Preferably, the preheating heat exchanger, the warming heat exchanger and the cooling heat exchanger are all tube type heat exchangers. Further preferably, the heat exchange tubes of the tube type heat exchanger can be arranged in a rectangular or triangular shape.
It should be noted that the above embodiments can be freely combined as necessary. The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.
Claims (7)
1. The utility model provides an active burnt regenerator regeneration gas air exhaust device which characterized in that includes:
a tube array for circulating the active coke;
an air extraction hood; and the number of the first and second groups,
a tube sheet for mounting the tubes;
the upper ends of the tubes are connected with the tube plate, and the lower ends of the tubes are arranged in a suspended manner; the tube plate is provided with an active coke through hole corresponding to each tube array, and the active coke through holes are communicated with the tube arrays;
the extraction hood comprises an upper plate and an air guide plate, the upper plate and the tube plate are arranged in parallel, the first end, close to one side of the tube plate, of the upper plate is connected with the side wall of the regeneration tower, the second end, far away from one side of the tube plate, of the upper plate is connected with the upper end of the air guide plate, the lower end of the air guide plate is connected with the side wall of the regeneration tower, and the upper end of the air guide plate is far away from the tubulation; the lower end of the air guide plate is arranged close to the tubes, the upper plate and the air guide plate are arranged in a surrounding mode to form an air exhaust cavity, an air exhaust channel for communicating the air exhaust cavity with the inner space of the regeneration tower is arranged on the side wall of the regeneration tower corresponding to the tubes, and an air exhaust opening is formed in the side wall of the air exhaust cavity;
the length dimension of the tube nest is larger than the length dimension of the air guide plate along the axial direction of the tube nest.
2. The active coke regeneration tower regeneration gas extraction device of claim 1, characterized in that:
the included angle between the air guide plate and the plate surface of the tube plate is larger than 35 degrees.
3. The active coke regeneration tower regeneration gas extraction device of claim 2, characterized in that:
the included angle between the air guide plate and the plate surface of the tube plate is 45-60 degrees.
4. The active coke regeneration tower regeneration gas extraction device of claim 1, characterized in that:
the air exhaust opening is formed in the tube plate located between the upper side wall of the air guide plate and the upper end of the tube array.
5. The active coke regeneration tower regeneration gas extraction device of any one of claims 1 to 4, characterized in that:
the air guide plate comprises a vertical plate and an inclined plate, and the vertical plate is arranged above the inclined plate;
the riser with the tube sheet is connected, just the riser with the tube sheet sets up perpendicularly.
6. An active coke regeneration tower, comprising:
the interior of the tower body is sequentially connected by an inlet air locking valve, a heating bin, a reaction bin, a cooling bin and an outlet air locking valve from top to bottom;
a heating heat exchanger is arranged in the heating bin and is connected with a heat source device;
a cooling heat exchanger is arranged in the cooling bin, a preheating bin is arranged between the inlet air locking valve and the heating bin, and the preheating bin is provided with a preheating heat exchanger;
the preheating heat exchanger, a circulating medium heat exchanger, a circulating pump and a cooling heat exchanger form a heat circulating system;
a regenerated gas pumping device of the active coke regeneration tower in any one of the claims 1 to 5 is arranged between the preheating bin and the heating bin;
a regenerated gas pumping device of the active coke regeneration tower in any one of the claims 1 to 5 is arranged between the heating bin and the reaction bin;
and the active coke regeneration tower regenerated gas pumping device is connected with a gas pump to recover the desorption gas.
7. The active coke regeneration tower of claim 6, wherein:
the regenerated gas pumping device of the active coke regeneration tower in any one of the claims 1 to 5 is arranged between the cooling bin and the outlet air locking valve, and the regenerated gas pumping device of the active coke regeneration tower between the cooling bin and the outlet air locking valve is provided with a gas purging port.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900745.8U CN211070116U (en) | 2019-11-06 | 2019-11-06 | Active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921900745.8U CN211070116U (en) | 2019-11-06 | 2019-11-06 | Active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211070116U true CN211070116U (en) | 2020-07-24 |
Family
ID=71622031
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921900745.8U Active CN211070116U (en) | 2019-11-06 | 2019-11-06 | Active burnt regenerator regeneration tower regeneration gas air exhaust device and active burnt regenerator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211070116U (en) |
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2019
- 2019-11-06 CN CN201921900745.8U patent/CN211070116U/en active Active
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