CN212842538U

CN212842538U - Catalyst regeneration drying equipment

Info

Publication number: CN212842538U
Application number: CN202021160455.7U
Authority: CN
Inventors: 彭栋友; 张英; 阳卓洪
Original assignee: Deyang Kingtec Energy Technology Co ltd
Current assignee: Deyang Kingtec Energy Technology Co ltd
Priority date: 2020-06-19
Filing date: 2020-06-19
Publication date: 2021-03-30
Anticipated expiration: 2030-06-19

Abstract

The utility model relates to a catalyst stoving field discloses a catalyst regeneration drying equipment, including the drying cabinet, be provided with drying device and transport guide rail in the drying cabinet, transport guide rail is used for sending into the catalyst and seeing off the drying cabinet. The utility model discloses drying equipment sends into the catalyst and sees off the drying cabinet through carrying the guide rail, and whole journey need not artifical touching catalyst, has not only saved the labour, also avoids sending into simultaneously and send out the damage that causes the catalyst when catalyst, and the most important is, avoids the harmful substance in the catalyst, like the harm that nitrogen oxide pollutants etc. in the flue gas caused the human body.

Description

Catalyst regeneration drying equipment

Technical Field

The utility model relates to a catalyst stoving technical field particularly, relates to a catalyst regeneration drying equipment.

Background

An SCR denitration catalyst generally refers to an active substance used for catalytic treatment of flue gas pollutants in a thermal power plant, in an SCR reaction, a reducing agent is promoted to selectively react with nitrogen oxides in flue gas at a certain temperature so as to remove the nitrogen oxide pollutants in the flue gas, the SCR denitration catalyst is a honeycomb-shaped catalyst, the contact area with the flue gas is increased due to the fact that the SCR denitration catalyst is provided with a plurality of honeycomb-shaped vertical holes, catalytic activity is improved, the SCR denitration catalyst needs to be activated and regenerated after being used for a period of time, the SCR denitration catalyst needs to be cleaned during activation, and the catalyst needs to be dried after being cleaned.

Chinese patent CN201920546112.5 discloses a drying device for regeneration of SCR denitration catalyst, comprising a box body, a box door arranged on the box body and a formed drying chamber, wherein a heat preservation layer is arranged in the box body, heating mechanisms are arranged on the bottom, left side and right side of the drying chamber, a gas distribution plate is arranged between the heating mechanism and the box body, gas holes are arranged on the gas distribution plate, the gas distribution plate is communicated with a gas inlet arranged on the box body, a gas outlet is arranged on the top of the box body, a draught fan is arranged at the end of the gas outlet, and a support device is arranged on the heating mechanism at the bottom; however, because the volume of the SDR catalyst is relatively large, the SDR catalyst is inconvenient to put into and take out of the box body, and even the SDR catalyst is damaged, so that great loss is caused; in addition, because moisture in the catalyst cannot be timely pumped out in the drying process, part of the moisture always falls on the heating mechanism at the bottom, and the moisture is accumulated on the heating mechanism for a long time, so that the drying effect of the catalyst is influenced, and potential safety hazards are easily caused.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a catalyst regeneration drying equipment, it need not the manual work and sends into the catalyst and take out drying equipment, and can dry to the catalyst more comprehensively more efficient.

The embodiment of the utility model is realized like this:

the catalyst regeneration drying equipment comprises a drying box, wherein a drying device and a conveying guide rail are arranged in the drying box, and the conveying guide rail is used for conveying a catalyst into and out of the drying box.

Furthermore, one end of the conveying guide rail is arranged in the drying box, and the other end of the conveying guide rail extends out of the drying box; the side wall of the drying box is provided with a channel for the conveying guide rail and the catalyst to pass through, and one side of the channel is provided with a baffle for opening or closing the channel.

Further, the drying box includes interior box and outer box, drying device includes blast pipe and sets up a plurality of air outlets on the blast pipe, the blast pipe set up in the intermediate layer chamber between interior box and the outer box, the air outlet runs through interior box wall extends to in the interior box.

Furthermore, the blast pipe comprises a first blast pipe arranged on the top wall of the inner box body and a second blast pipe arranged on the side wall of the inner box body.

Further, the air outlet of the first air supply pipe is opposite to the honeycomb vertical hole of the catalyst.

Furthermore, a plurality of air outlets of the second air supply pipe are obliquely arranged along the inner wall of the inner box body.

Furthermore, the inclination directions of the air outlets on the inner box body wall surfaces on two opposite sides are opposite.

Furthermore, an included angle between the air outlet and the wall surface of the inner box body is 15-45 degrees.

Further, a water storage tank is formed between the bottom of the conveying guide rail and the bottom wall of the drying box, and a water outlet is formed in one end of the water storage tank.

The utility model has the advantages that:

the utility model discloses drying equipment sends into the catalyst and sees off the drying cabinet through carrying the guide rail, and whole journey need not artifical touching catalyst, has not only saved the labour, also avoids sending into simultaneously and send out the damage that causes the catalyst when catalyst, and the most important is, avoids the harmful substance in the catalyst, like the harm that nitrogen oxide pollutants etc. in the flue gas caused the human body.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present invention, and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained according to the drawings without inventive efforts.

Fig. 1 is a schematic structural diagram of a drying apparatus provided in an embodiment of the present invention;

fig. 2 is a side view of the drying apparatus provided by the embodiment of the utility model.

Icon: 1-a drying box, 11-an inner box body, 12-an outer box body, 2-a drying device, 21-a first air supply pipe, 22-a second air supply pipe, 23-an air outlet, 3-a conveying guide rail, 4-a catalyst, 41-a vertical hole, 5-a water storage tank and 6-a water outlet.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate the position or positional relationship based on the position or positional relationship shown in the drawings, or the position or positional relationship which is usually placed when the product of the present invention is used, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific position, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

The terms "first," "second," "third," and the like are used solely to distinguish one from another and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it should also be noted that, unless otherwise explicitly specified or limited, the terms "disposed," "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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.

Examples

Referring to fig. 1-2, the present embodiment provides a catalyst regeneration drying apparatus, including a drying box 1, a drying device 2 and a conveying guide rail 3 are disposed in the drying box 1, and the conveying guide rail 3 is used to convey a catalyst 4 into and out of the drying box 1.

The working principle is as follows: the utility model discloses drying equipment is when using, in sending into drying cabinet 1 with catalyst 4 through conveying guide rail 3, and dry through drying device 2 catalyst 4 in to drying cabinet 1, see off drying cabinet 1 with catalyst 4 through conveying guide rail 3 after the stoving finishes, whole journey need not artifical touching catalyst 4, the labour has not only been saved, also avoid sending into simultaneously and see off the damage that catalyst 4 caused when catalyst 4, most importantly, avoid the harmful substance in catalyst 4, the harm that causes the human body such as nitrogen oxide pollutant in the flue gas.

In this embodiment, one end of the conveying guide rail 3 is in the drying box 1, and the other end extends out of the drying box 1; a channel for the conveying guide rail 3 and the catalyst 4 to pass through is arranged on the side wall of the drying box 1, and a baffle for opening or closing the channel is arranged on one side of the channel; when the catalyst drying device is used, the catalyst 4 is placed on the conveying guide rail 3, the conveying guide rail 3 is driven to convey the catalyst 4 into the drying box 1, and the channel is closed through the baffle plate when the catalyst is dried, so that the problem that the catalyst 4 is conveyed into and out of the drying box 1 in a traditional manual mode, time and labor are wasted, and the catalyst 4 can be damaged possibly is solved; the conveying guide rail 3 can be a conveying belt, and a through hole for water circulation is formed in the conveying belt; besides, the conveying guide 3 can also be a conveying chain, and the catalyst 4 is placed on the conveying chain.

In this embodiment, drying cabinet 1 includes inner box 11 and outer box 12, drying device 2 includes the blast pipe and sets up a plurality of air outlets 23 on the blast pipe, the blast pipe set up in the intermediate layer chamber between inner box 11 and the outer box 12 has saved the space inside the box greatly, air outlet 23 runs through in inner box 11 wall extends to inner box 11, during the use, the blast pipe communicates with external air supply subassembly to provide hot-blast for drying cabinet 1 through air outlet 23 in.

In this embodiment, the air supply pipes include a first air supply pipe 21 disposed on the top wall of the inner casing 11 and a second air supply pipe 22 disposed on the side wall of the inner casing 11, so that a more comprehensive and uniform drying effect can be provided for the catalyst 4 from various angles.

In this embodiment, the air outlet 23 of the first air supply pipe 21 is just opposite to the honeycomb-shaped vertical hole 41 of the catalyst 4, because the air outlet 23 is just opposite to the honeycomb-shaped vertical hole 41 of the catalyst 4, the drying air nozzle can directly blow into the honeycomb-shaped vertical hole 41 of the catalyst 4, so that the moisture in the honeycomb-shaped vertical hole 41 of the catalyst 4 can be dried more quickly, the moisture can flow downwards from the air along the trend, the inside of the catalyst 4 can be dried thoroughly, water is prevented from remaining in the holes, the drying uniformity is greatly improved, the drying time is shortened, and the catalytic activity of the catalyst 4 after regeneration and use is improved.

In this embodiment, the air outlets 23 of the second air supply pipe 22 are obliquely arranged along the inner wall of the inner box 11, specifically, the oblique directions of the air outlets 23 on the wall surfaces of the inner boxes 11 on two opposite sides are opposite, and by setting the air outlets 23 on two opposite sides to be opposite in blowing direction, hot air can be blown to the surface of the catalyst 4 from all angles and parts of the catalyst 4, and a vortex is formed between the hot air on two opposite sides, so that the catalyst 4 is better surrounded, and the drying of the catalyst 4 is more comprehensive and more thorough.

In this embodiment, an included angle between the air outlet 23 and the wall surface of the inner box 11 is 15 to 45 degrees.

In this embodiment, a water storage tank 5 is formed between the bottom of the conveying guide rail 3 and the bottom wall of the drying box 1, and a water outlet 6 is arranged at one end of the water storage tank 5. The moisture in the catalyst 4 is concentrated at the bottom of the drying box 1 and is discharged through the water outlet 6, so that the catalyst 4 or the drying device 2 cannot be influenced in the whole process.

To sum up, the utility model discloses drying equipment sends the catalyst into and sends out the drying cabinet through carrying the guide rail, and whole journey need not artifical touching catalyst, has not only saved the labour, also avoids sending into and send out the damage that causes the catalyst when catalyst simultaneously, and foremost is, avoids the harmful substance in the catalyst, like the harm that nitrogen oxide pollutants in the flue gas etc. caused the human body.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The catalyst regeneration drying equipment comprises a drying box and is characterized in that a drying device and a conveying guide rail are arranged in the drying box, and the conveying guide rail is used for conveying a catalyst into and out of the drying box.

2. The catalyst regeneration drying equipment according to claim 1, wherein one end of the conveying guide rail is arranged in the drying oven, and the other end of the conveying guide rail extends out of the drying oven; the side wall of the drying box is provided with a channel for the conveying guide rail and the catalyst to pass through, and one side of the channel is provided with a baffle for opening or closing the channel.

3. The catalyst regeneration drying equipment according to claim 1, wherein the drying box comprises an inner box body and an outer box body, the drying device comprises an air supply pipe and a plurality of air outlets arranged on the air supply pipe, the air supply pipe is arranged in an interlayer cavity between the inner box body and the outer box body, and the air outlets penetrate through the wall surface of the inner box body and extend into the inner box body.

4. The catalyst regeneration drying equipment according to claim 3, wherein the air supply pipes comprise a first air supply pipe arranged on the top wall of the inner box body and a second air supply pipe arranged on the side wall of the inner box body.

5. The catalyst regeneration drying equipment of claim 4, wherein the air outlet of the first air supply pipe is opposite to the honeycomb vertical hole of the catalyst.

6. The catalyst regeneration drying equipment according to claim 4, wherein the plurality of air outlets of the second air supply pipe are arranged along the inner wall of the inner box body in an inclined manner.

7. The catalyst regeneration drying device of claim 6, wherein the air outlets on the inner box wall surfaces on two opposite sides are inclined in opposite directions.

8. The catalyst regeneration drying device of claim 7, wherein an included angle between the air outlet and the wall surface of the inner box body is 15-45 degrees.

9. The catalyst regeneration drying device according to claim 2, wherein a water storage tank is formed between the bottom of the conveying guide rail and the bottom wall of the drying box, and a water outlet is formed at one end of the water storage tank.