CN219328275U - Drying equipment for catalyst regeneration - Google Patents

Abstract

The utility model discloses drying equipment for catalyst regeneration, which belongs to the technical field of catalyst regeneration equipment and comprises a drying box body, wherein the top end of the drying box body is communicated with an air inlet mechanism, so that hot air passes through a catalyst to be dried from top to bottom, the wind direction is the same as the flow direction of water in a catalyst pore, and the water in a catalyst pore channel is more favorably discharged; the inside fixed support body that is used for placing the catalyst that is equipped with of drying cabinet, and evenly fixedly be provided with two fans along circumference on the inner wall of drying cabinet, two fans are all close to the bottom of support body and wind direction towards the bottom of drying cabinet, and air inlet mechanism cooperation fan for having formed the wind gas circulation in the drying cabinet, can be with the vapor discharge that produces among the drying process, prevent that vapor from too much influencing drying effect.

Description

Drying equipment for catalyst regeneration

Technical Field

The utility model belongs to the technical field of catalyst regeneration equipment, and particularly relates to drying equipment for catalyst regeneration.

Background

With further application of the SCR flue gas denitration technology of the domestic thermal power plant, more and more deactivated catalysts are generated, and a treatment technology of the deactivated catalysts is urgently needed. The deactivated catalyst can be treated in the modes of regeneration, landfill, reuse and the like, wherein the regeneration technology can enable the catalyst activity to be recovered to more than 90% of the fresh catalyst activity, so that the service life of the catalyst is effectively prolonged, the cost of replacing the fresh catalyst is reduced, the disposal cost of the waste catalyst and secondary pollution brought to the environment are reduced, and the recycling of resources is realized.

Currently, there are many methods for regenerating the catalyst, such as burning off carbon deposits by introducing air or oxygen-depleted air, regenerating the catalyst or regenerating it by washing with a solvent; the deactivated catalyst is washed by solvent to remove dust and sediment in gaps on the surface of the catalyst, so that the inherent composition and structure of the catalyst are recovered, the catalyst after washing and reactivation is required to be dried, the catalyst drying is an important link in the catalyst regeneration process, the drying degree of the regenerated catalyst influences the quality and catalytic effect of the catalyst, the publication No. CN205718224U discloses a special catalyst regeneration air drying device for a power plant, the catalyst can be subjected to freeze air drying or a heating device is started to generate hot air for hot air drying according to the requirement, however, the hot air in the application is blown upwards from the bottom of the catalyst, more water remains in the gaps after the catalyst is washed, water in the catalyst pore channels flows to the bottom due to gravity, the direction of the wind is opposite to the direction of the water, so that the water in the pore channels is not easy to remove, and meanwhile, the drying degree of the catalyst is influenced by water vapor generated in the drying process, so that the catalyst is not completely dried, and the activity of the catalyst is influenced.

Disclosure of Invention

The utility model aims to provide a drying device for catalyst regeneration, which can ensure complete drying of a catalyst and has high drying efficiency, and solves the problem that the existing catalyst regeneration drying device is affected by wind direction and water vapor in the drying process to cause incomplete drying of the catalyst.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a drying equipment for catalyst regeneration, includes the drying cabinet body, its characterized in that, the top intercommunication of drying cabinet body has air inlet mechanism, the inside fixed support body that is used for placing the catalyst that is equipped with of drying cabinet, just evenly fixed two fans of being provided with along circumference on the inner wall of drying cabinet body, two the fan is all close to the bottom of support body and wind direction orientation the bottom of drying cabinet body.

Further, the air inlet mechanism comprises an air blower, the air blower is communicated with an air conveying pipeline, the output end of the air conveying pipeline is fixedly connected with a guide plate, the guide plate is of a frustum-shaped hollow structure, one end, away from the air conveying pipeline, of the guide plate is fixedly connected with a uniform flow plate, and a plurality of through uniform flow pipes are uniformly arranged on the plate body of the uniform flow plate.

Further, a heating device is arranged at one end of the air conveying pipeline, which is close to the air blower.

Further, still be equipped with turn-over mechanism in the drying cabinet, turn-over mechanism includes the rotation axis, the rotation axis run through in the bottom of drying cabinet and extend to the top of drying cabinet, the rotation axis is close to the circumference of support body top one side evenly is equipped with a plurality of turn-over blades, just the bottom of rotation axis is equipped with the second gear, the second gear is connected with the motor through first gear.

Further, the drying box body is fixedly arranged on the sliding plate through the supporting column, and the sliding plate is connected to the base in a sliding manner.

Further, two protruding blocks are uniformly arranged on the circumference of the top end of the drying box body, and buckles correspondingly adapted to the protruding blocks are movably arranged on the circumference of the bottom end of the guide plate.

Further, a water outlet is further formed in the bottom end of the drying box body, a temperature detection device is further arranged at the top end of the rotating shaft, and the frame body is an iron frame with porous surfaces and ventilation.

The utility model has at least one of the following beneficial effects:

(1) The air inlet mechanism is communicated with the top of the drying box body, so that hot air passes through the catalyst to be dried from top to bottom, the wind direction is the same as the flow direction of water in the catalyst pore, the water in the catalyst pore is more favorably discharged, and meanwhile, the air inlet mechanism is matched with the fan, so that air circulation is formed in the drying box body, water vapor generated in the drying process can be discharged, and the drying effect is prevented from being influenced by excessive water vapor;

(2) The air flow homogenizing device has the advantages that the air flow homogenizing plate and the air flow homogenizing pipe are arranged at the output end of the air conveying pipeline, the area of the air output through the air conveying pipeline can be enlarged by the air flow homogenizing plate, the air blown into the drying box body can be more uniform by the air flow homogenizing pipe, the air blown into the drying box body can be taken care of every place in the drying box body, the catalyst scattered on the frame body can be dried through the drying effect of the drying gas, and the problems that the catalyst is dried locally and not dried locally are avoided;

(3) Through setting up turn-over mechanism, the axis of rotation drives turn-over page or leaf piece and moves in the drying cabinet to turn over the catalyst that scatters and piles up on the support body, make the catalyst that is in the bottom can be turned over the upper surface and carry out drying treatment, has not only improved the drying rate like this, has guaranteed simultaneously that all catalysts in the box can be dried completely.

Drawings

The utility model is further described below with reference to the accompanying drawings.

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

fig. 3 is a schematic perspective view of a flow equalizing plate in the present utility model.

In the figure: 1. a base; 2. a sliding plate; 3. a blower; 4. a heating device; 5. an air delivery pipeline; 6. a deflector; 7. a flow homogenizing plate; 8. a buckle; 9. a bump; 10. a drying box body; 11. turning over the page; 12. a discharge port; 13. a frame body; 14. a fan; 15. a rotation shaft; 16. a temperature detecting device; 17. a motor; 18. a first gear; 19. a second gear; 20. a water outlet; 21. a flow homogenizing pipe.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, the present utility model is a drying device for catalyst regeneration, which comprises a drying box 10, wherein the top end of the drying box 10 is communicated with an air inlet mechanism, the air inlet mechanism comprises a blower 3, the blower 3 is fixedly arranged on a base 1, the blower 3 is communicated with an air delivery pipe 5, the output end of the air delivery pipe 5 is fixedly connected with a deflector 6, the deflector 6 is in a frustum-shaped hollow structure, the projection of one end of the deflector 6, which is close to the air delivery pipe 5, in the vertical direction completely falls into the projection of one end of the deflector 6, which is far from the air delivery pipe 5, in the vertical direction, so that the area of the wind outputted by the deflector 6 can be enlarged, one end of the deflector 6, which is far from the air delivery pipe 5, is fixedly connected with a uniform flow plate 7, a plurality of through uniform flow pipes 21 are uniformly arranged on the plate body of the uniform flow plate 7, the wind blown into the drying box 10 can be more uniform, the drying gas can dry all parts of the catalyst, and the phenomenon that the catalyst is partially dried is avoided;

the inside of the drying box body 10 is fixedly provided with a frame body 13 for placing a catalyst, the frame body 13 is an iron net frame with porous and breathable surface, the inner wall of the drying box body 10 is uniformly and fixedly provided with two fans 14 along the circumferential direction, and the two fans 14 are close to the bottom end of the frame body 13 and wind direction faces the bottom end of the drying box body 10; the air inlet mechanism is matched with the fan 14 to realize air circulation in the drying box 10, so that water vapor generated in the drying box 10 can be discharged, and the drying effect is prevented from being influenced by excessive water vapor; a water outlet 20 is also formed at the bottom end of the drying box 10 and is used for discharging liquid formed after condensing the water vapor so as to ensure that the inside of the drying box 10 is always kept in a dry state;

the drying box body 10 is internally provided with a turning mechanism, the turning mechanism comprises a rotating shaft 15, the rotating shaft 15 penetrates through the bottom of the drying box body 10 and extends to the top end of the drying box body 10, a plurality of turning sheets 11 are uniformly arranged on one side, close to the top end of the frame body 13, of the rotating shaft 15 in the circumferential direction, a second gear 19 is arranged at the bottom end of the rotating shaft 15, and the second gear 19 is connected with a motor 19 through a first gear 18; by arranging the turn-over mechanism, the catalyst can be turned over in the drying process, so that the drying speed of the catalyst is increased on one hand, and the catalyst can be fully dried on the other hand;

the top end of the rotating shaft 15 is provided with a temperature detection device 16 for detecting the drying temperature in the drying box 10, one end of the air conveying pipeline 5, which is close to the air blower 3, is provided with a heating device 4 for adjusting the temperature of the drying gas, the temperature of the heating device 4 is increased when the drying temperature is too low, the temperature of the drying gas blown into the drying box 10 is further increased, and the set temperature of the heating device 4 is reduced when the drying temperature is too high;

the drying box body 10 is fixedly arranged on the sliding plate 2 through the supporting column, and the sliding plate 2 is connected to the base 1 in a sliding manner, so that the drying box body 10 can be moved more conveniently;

a discharge hole 12 is also arranged on one side of the drying box body 10, so that the dried catalyst can be conveniently discharged into the drying box body 10;

two convex blocks 9 are uniformly arranged on the top circumference of the drying box body 10, and buckles 8 which are correspondingly matched with the convex blocks 9 are movably arranged on the bottom circumference of the guide plate 6; when the catalyst is required to be dried, the catalyst to be dried is put into the drying box body 10, the sliding plate 2 is pushed to move the drying box body 10 to a proper position at the bottom end of the air inlet mechanism, and then the buckle 8 on the guide plate 6 is buckled on the lug 9 on the drying box body 10, so that the air inlet mechanism is connected with the drying box body 10;

the working principle of the utility model is as follows: when the drying box works, firstly, the buckle 8 is opened, the sliding plate 2 is pushed to move the drying box 10 to completely expose the top end opening, the catalyst to be dried is loaded into the box from the top end opening of the drying box 10, after loading is finished, the sliding plate 2 is pushed again, the drying box 10 is moved to a proper position, and then the buckle 8 is buckled on the lug 9 on the drying box 10, so that the assembly of the drying box 10 and the air inlet mechanism is completed;

the blower 3 and the heating device 4 are started, the heated air is transmitted to the guide plate 6 along the air transmission pipeline 5, the guide plate 6 enlarges the area of the air blown into the drying box 10, and under the action of the uniform flow plate 7 and the uniform flow pipe 21, the air blown into the drying box 10 can take care of each place in the drying box 10, so that the catalyst scattered on the frame 13 can be dried by the drying gas, and the phenomenon that the catalyst is partially dried and is not partially dried is avoided; simultaneously, the two fans 14 are started, the air inlet mechanism and the fans 14 form air circulation in the drying box 10, the fans 14 discharge water vapor generated in the drying box 10 to prevent the drying effect from being influenced by excessive water vapor, the water vapor is discharged to the bottom of the drying box 10, the water vapor can be condensed into liquid under the blowing of the fans 14, and the condensed water can be discharged along the water outlet 20 in a normally-open state at the bottom end of the drying box 10 to ensure the drying in the drying box 10;

in order to accelerate the drying speed of the catalyst, the motor 17 can be started, the motor 17 drives the first gear 18 to rotate, the first gear 18 is meshed with the second gear 19, the first outlet 18 drives the second gear 19 to rotate, so that the rotating shaft 15 is driven to rotate, the rotating shaft 15 drives the turn-over sheet 11 to move in the drying box 10 and turn over the catalyst scattered and piled on the frame 13, so that the catalyst at the bottom can be turned over to the upper surface for drying treatment, the drying speed is improved, and all the catalysts in the box can be dried completely; after the drying is completed, the discharging hole 12 is opened, and the catalyst is discharged into the drying box 10, namely the drying link in the catalyst regeneration step is completed.

The foregoing describes one embodiment of the present utility model in detail, but the description is only a preferred embodiment of the present utility model and should not be construed as limiting the scope of the utility model. All equivalent changes and modifications within the scope of the present utility model are intended to be covered by the present utility model.

Claims (7)

1. The utility model provides a drying equipment for catalyst regeneration, includes drying cabinet (10), its characterized in that, the top intercommunication of drying cabinet (10) has air inlet mechanism, drying cabinet (10) inside is fixed to be equipped with support body (13) that are used for placing the catalyst, just evenly fixed being provided with two fans (14) along circumference on the inner wall of drying cabinet (10), two fan (14) are all close to the bottom of support body (13) and wind direction orientation the bottom of drying cabinet (10).

2. The drying device for catalyst regeneration according to claim 1, wherein the air inlet mechanism comprises an air blower (3), the air blower (3) is communicated with an air delivery pipeline (5), the output end of the air delivery pipeline (5) is fixedly connected with a guide plate (6), the guide plate (6) is of a frustum-shaped hollow structure, one end of the guide plate (6) away from the air delivery pipeline (5) is fixedly connected with a uniform flow plate (7), and a plurality of through uniform flow pipes (21) are uniformly arranged on the plate body of the uniform flow plate (7).

3. A drying apparatus for regenerating catalysts according to claim 2, characterized in that the end of the air duct (5) close to the blower (3) is provided with heating means (4).

4. A drying apparatus for regenerating a catalyst according to claim 3, wherein a turnover mechanism is further provided in the drying box (10), the turnover mechanism comprises a rotation shaft (15), the rotation shaft (15) penetrates through the bottom of the drying box (10) and extends to the top end of the drying box (10), a plurality of turnover blades (11) are uniformly provided on the rotation shaft (15) near the circumference of one side of the top end of the frame (13), a second gear (19) is provided on the bottom end of the rotation shaft (15), and the second gear (19) is connected with a motor (17) through a first gear (18).

5. The drying apparatus for catalyst regeneration according to claim 2, wherein the drying box (10) is fixedly disposed on a sliding plate (2) through a support column, and the sliding plate (2) is slidably connected to the base (1).

6. The drying equipment for catalyst regeneration according to claim 2, wherein two protruding blocks (9) are uniformly arranged on the top end of the drying box body (10) in the circumferential direction, and buckles (8) which correspond to and are matched with the protruding blocks (9) are movably arranged on the bottom end of the guide plate (6) in the circumferential direction.

7. The drying equipment for catalyst regeneration according to claim 4, wherein a water outlet (20) is further provided at the bottom end of the drying box (10), a temperature detecting device (16) is further provided at the top end of the rotating shaft (15), and the frame (13) is an iron mesh frame with porous surface and ventilation.

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