CN216869024U

CN216869024U - Drying device for preparing solid particle catalyst

Info

Publication number: CN216869024U
Application number: CN202220267828.3U
Authority: CN
Inventors: 李晖; 乔小五
Original assignee: LUOYANG KANGRUN PETROLEUM CHEMICAL TECHNOLOGY DEVELOPMENT CO LTD
Current assignee: LUOYANG KANGRUN PETROLEUM CHEMICAL TECHNOLOGY DEVELOPMENT CO LTD
Priority date: 2022-02-11
Filing date: 2022-02-11
Publication date: 2022-07-01
Anticipated expiration: 2032-02-11

Abstract

The utility model discloses a drying device for preparing solid particle catalyst, which relates to the technical field of catalyst drying and aims to solve the problems of large volume, low heat utilization rate and poor drying effect of the existing drying device for solid particle catalyst particles, the utility model drives a drying cylinder to rotate by arranging a motor and a reducer, so that the solid particle catalyst in the drying cylinder rolls along with the drying cylinder, fully utilizes the space in the drying cylinder by utilizing a partition plate and an arc-shaped plate, evaporates and dries the inside of the drying cylinder by arranging a hot air source, accelerates the evaporation of water in the solid particle catalyst by utilizing hot air, takes away water vapor, plays a drying role for the solid particle catalyst, can slow down the flow speed of the hot air by the staggered partition plates, prolongs the heating time of the hot air, improves the drying efficiency of the solid particle catalyst, filters the hot air by arranging an air exhaust bin and then extracts the hot air, the hot air and the solid particle catalyst are separately treated, the production environment is protected, and the production efficiency is improved.

Description

Drying device for preparing solid particle catalyst

Technical Field

The utility model relates to the technical field of catalyst drying, in particular to a drying device for preparing a solid particle catalyst.

Background

The solid catalyst is a solid catalyst, which can change the chemical reaction rate of a reactant in a chemical reaction to be increased or reduced without changing the chemical balance, and the mass and the chemical property of the solid catalyst are not changed before and after the chemical reaction, and the solid catalyst is a direction for the development of modern catalytic technology, wherein the solid catalyst is the most representative of industrial application of solid acid and solid base.

Most of the catalysts use alumina or silicon-containing alumina as a carrier, and the porous substance of the carrier has strong water absorption performance which can reach 35 percent; when oil is fed in the process of operation, once hot oil gas is contacted with a wet catalyst, moisture in the catalyst is quickly vaporized, the catalyst at the rear part which is not contacted with the oil gas is still cold, a large amount of heat is released when descending water vapor is condensed and adsorbed by the catalyst, and catalyst particles are crushed due to the action of thermal stress; secondly, this rapid and repeated vaporization-condensation process reduces the activity of the catalyst and affects the presulfiding effect, so that the catalyst is thermally dried before start-up.

The existing drying device for solid catalyst particles is large in size, low in heat utilization rate and poor in drying effect.

SUMMERY OF THE UTILITY MODEL

In view of the problems in the prior art, the utility model discloses a drying device for preparing a solid particle catalyst, which adopts the technical scheme that the drying device comprises a base, wherein a PLC (programmable logic controller) is arranged on the base, a motor, a speed reducer and a cross rod are also arranged on the base, the motor is connected with gears through the speed reducer, two groups of cross rods are arranged, transmission gears and rollers are arranged on the cross rods in a rotating connection mode, the transmission gears are meshed with the gears, a drying cylinder, a feeding cover and a discharging cover are arranged at the top of the base, the drying cylinder is a cylindrical shell with the left end and the right end being through, an outer toothed ring and a sliding ring are arranged on the outer wall of the drying cylinder, the outer toothed ring is meshed with the transmission gears, the sliding ring is in sliding connection with the rollers, the left end of the drying cylinder is rotationally connected with the feeding cover, and a feeding hopper is arranged on the feeding cover, The hot air source is connected with the hot air source, the bottom of the feeding hopper corresponds to the position of the drying cylinder, the right end of the drying cylinder is rotatably connected with the discharging cover, the top of the discharging cover is provided with the air draft mechanism, the bottom of the discharging cover is provided with the blanking mechanism, and the PLC is connected with the hot air source and the motor.

As a preferable technical scheme of the utility model, the inner wall of the drying cylinder is provided with a partition plate and arc-shaped plates, the partition plate is vertical to the axis of the drying cylinder, the partition plate is only connected with one side of the drying cylinder, and the partition plate and the arc-shaped plates are arranged in a staggered manner, so that the hot air can be blocked and decelerated, and the time for the hot air to blow through the drying cylinder is delayed.

As a preferred technical scheme of the utility model, the arc-shaped plate is continuously arranged from the left end to the right end of the drying cylinder, the arc-shaped plate is provided with an inclined surface, the inclined surface faces to one side where the discharging cover is located, and the solid particle catalyst can be conveyed to the lower side of the inclined surface in the process of rotating along with the drying cylinder.

As a preferred technical scheme of the utility model, the air draft mechanism comprises an air draft bin and an air draft fan, the bottom of the air draft bin is connected with the discharging cover, a filter screen is arranged in the air draft bin, the air draft bin is connected with the air draft fan through a pipeline, the PLC is connected with the air draft fan, and the air draft mechanism can exhaust air for drying and heating for treatment.

As a preferable technical scheme of the utility model, the blanking mechanism comprises a discharge hopper and a blanking box, the top of the discharge hopper is connected with the discharge cover, the bottom of the discharge hopper is connected with the blanking box, and the discharge hopper can centralize and convey the solid particle catalyst into the blanking box.

As a preferred technical scheme of the utility model, the blanking box is provided with a box door which is opened at the side, the blanking box can be isolated from the outside, the pollution is reduced, and the blanking box is internally provided with a trolley which can be used for collecting dried solid particle catalysts.

As a preferred technical scheme of the utility model, the trolley is a shell with a through top, the trolley corresponds to the discharge hopper in position, the bottom of the trolley is provided with the moving wheels, the side wall of the trolley is provided with the handle, and the trolley can be conveniently moved by using the handle and the moving wheels.

The utility model has the beneficial effects that: the utility model drives the gear to rotate by arranging the motor and the reducer, so that the transmission gear drives the drying cylinder to rotate, the solid particle catalyst in the drying cylinder rolls along with the gear, the space in the drying cylinder is fully utilized by utilizing the partition plates and the arc-shaped plates, the hot air source is arranged to evaporate and dry the inside of the drying cylinder, the evaporation of moisture in the solid particle catalyst can be accelerated by utilizing the hot air, water vapor is taken away, the solid particle catalyst is dried, the flow speed of the hot air can be reduced by the partition plates arranged in a staggered mode, the heating time of the hot air is prolonged, the drying efficiency of the solid particle catalyst is improved, the hot air is filtered and then extracted by arranging the air extraction bin, the hot air and the solid particle catalyst are separately treated, the production environment is protected, and the production efficiency is improved.

Drawings

The technical scheme of the utility model is clearly and completely described in the following with reference to the accompanying drawings. In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.

In order to more clearly illustrate the detailed description of the utility model or the technical solutions in the prior art, the drawings needed to be used in the detailed description or the prior art will be briefly described below; throughout the drawings, like elements or portions are generally identified by like reference numerals; in the drawings, elements or portions are not necessarily drawn to scale.

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic diagram of a right-view structure of the discharging cover of the present invention;

FIG. 4 is a schematic cross-sectional view of a drying cylinder according to the present invention;

FIG. 5 is a schematic diagram of a right side view of the drying cylinder of the present invention;

FIG. 6 is an enlarged view of the structure of the present invention at A.

In the figure: 1. a base; 2. a drying cylinder; 3. a feeding cover; 4. a discharging cover; 5. blanking the material box; 10. a PLC controller; 11. a motor; 12. a speed reducer; 13. a gear; 14. a cross bar; 15. a transmission gear; 16. a roller; 21. an outer gear ring; 22. a slip ring; 23. a partition plate; 24. an arc-shaped plate; 30. a hot air source; 31. feeding into a hopper; 40. an exhaust fan; 41. a discharge hopper; 42. an air draft bin; 421. a filter screen; 51. a box door; 52. a trolley is provided.

Detailed Description

Example 1

As shown in fig. 1 to 6, the utility model discloses a drying device for preparing a solid particle catalyst, which adopts the technical scheme that the drying device comprises a base 1, a PLC controller 10 is arranged on the base 1, a motor 11, a speed reducer 12 and a cross bar 14 are also arranged on the base 1, the motor 11 is connected with a gear 13 through the speed reducer 12, two groups of the cross bar 14 are arranged, a transmission gear 15 and a roller 16 which are connected in a rotating way are arranged on the cross bar 14, the transmission gear 15 is meshed with the gear 13, a drying cylinder 2, a feeding cover 3 and a discharging cover 4 are arranged at the top of the base 1, the drying cylinder 2 is a cylindrical shell with two through left and right ends, an outer toothed ring 21 and a sliding ring 22 are arranged on the outer wall of the drying cylinder 2, the outer toothed ring 21 is meshed with the transmission gear 15, the sliding ring 22 is connected with the roller 16 in a sliding way, the left end of the drying cylinder 2 is connected with the feeding cover 3 in a rotating way, the feeding cover 3 is provided with a feeding hopper 31 and a heat inlet, the heat inlet is connected with a hot air source 30, the bottom of the feeding hopper 31 corresponds to the position of the drying cylinder 2, the right end of the drying cylinder 2 is rotatably connected with the discharging cover 4, the top of the discharging cover 4 is provided with an air draft mechanism, the bottom of the discharging cover 4 is provided with a blanking mechanism, and the PLC 10 is connected with the hot air source 30 and the motor 11.

As a preferred technical scheme of the present invention, the inner wall of the drying cylinder 2 is provided with a partition plate 23 and arc plates 24, the partition plate 23 is perpendicular to the axis of the drying cylinder 2, the partition plate 23 is connected with only one side of the drying cylinder 2, the partition plates 23 and the arc plates 24 are provided with a plurality of groups and arranged in a staggered manner, so as to block and reduce the speed of hot air, delay the time for the hot air to blow through the drying cylinder 2, improve the drying efficiency, and enhance the drying effect.

As a preferred technical solution of the present invention, the arc-shaped plate 24 is continuously arranged from the left end to the right end of the drying cylinder 2, the arc-shaped plate 24 is provided with an inclined surface, the inclined surface faces to the side where the discharging cover 4 is located, and the solid particle catalyst can be sent to the lower side of the inclined surface in the process of rotating along with the drying cylinder 2, so that the solid particle catalyst is displaced while rotating.

As a preferred technical scheme of the utility model, the air draft mechanism comprises an air draft bin 42 and an air draft fan 40, the bottom of the air draft bin 42 is connected with the discharging cover 4, a filter screen 421 is arranged in the air draft bin 42, the air draft bin 42 is connected with the air draft fan 40 through a pipeline, the PLC 10 is connected with the air draft fan 40, and the air draft mechanism can exhaust air for drying and heating for treatment, so that the production environment and the human health of workers are protected.

As a preferable technical scheme of the utility model, the blanking mechanism comprises a discharge hopper 41 and a blanking box 5, the top of the discharge hopper 41 is connected with the discharge cover 4, the bottom of the discharge hopper 41 is connected with the blanking box 5, the discharge hopper 41 can centralize and send the solid particle catalyst to the blanking box 5, and the collection efficiency is improved.

As a preferred technical scheme of the utility model, the blanking box 5 is provided with a box door 51 with an open side, so that the blanking box 5 can be isolated from the outside, pollution is reduced, and the blanking box 5 is internally provided with a trolley 52 which can be used for collecting dried solid particle catalysts and is convenient for transferring the solid particle catalysts.

As a preferred technical scheme of the present invention, the trolley 52 is a casing with a through top, the trolley 52 corresponds to the discharge hopper 41, the bottom of the trolley 52 is provided with moving wheels, the side wall of the trolley 52 is provided with a handle, the handle and the moving wheels can be used to conveniently move the trolley 52, thereby facilitating the transportation of the dried solid particle catalyst and improving the production efficiency.

The working principle of the utility model is as follows: the drying device is started through the PLC 10, the motor 11 is started, the gear 13 is driven to rotate through the reducer 12, the transmission gear 15 is driven to rotate, the outer toothed ring 21 on the drying cylinder 2 is driven to rotate, the drying cylinder 2 is driven to rotate on the base 1, the slip ring 22 and the roller 16 slide mutually, the roller 16 rotates on the cross rod 14 to support the drying cylinder 2, the solid particle catalyst is put into the hopper 31, enters the feeding cover 3 through the hopper 31, then falls into the drying cylinder 2, rotates along with the drying cylinder 2 after entering the drying cylinder 2, rolls along the direction of the arc-shaped plate 24 towards the right discharging cover 4 in the rotating process, then falls into the right from the left side of the partition plate 23 along with the rotation of the drying cylinder 2, rolls to the gap between the right partition plate 23 and the drying cylinder 2, and then rolls to the right side of the right partition plate 23 along the arc-shaped plate 24, until the catalyst finally rolls to the discharging cover 4 and falls into the discharging hopper 41, the hot air source 30 sends hot air into the drying cylinder 2, the hot air is blocked by the partition 23, flows to the right side from a gap between the partition 23 and the drying cylinder 2 and is then blocked by the partition 23 again, in the process, the hot air can accelerate the evaporation of water in the solid particle catalyst and take away water vapor, and the solid particle catalyst is dried, the staggered partitions 23 can slow down the flowing speed of the hot air, prolong the heating time of the hot air and improve the drying efficiency of the solid particle catalyst, finally the solid particle catalyst enters the discharging cover 4, falls into the discharging hopper 41, enters the discharging box 5 and falls into the trolley 52, the box door 51 can be opened after the collection is finished, and the trolley 52 is pushed away; the hot air passing through the drying cylinder 2 finally enters the air suction chamber 42, is filtered by the filter screen 421, and then enters the hot air treatment device through the exhaust fan 40.

The circuit connections according to the utility model are conventional means used by the person skilled in the art and can be suggested by a limited number of tests, which are common knowledge.

Components not described in detail herein are prior art.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified 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; the two elements can be directly connected or indirectly connected through an intermediate medium, and the two elements can be communicated with each other, so that the specific meaning of the terms in the utility model can be understood by those skilled in the art.

Although the present invention has been described in detail with reference to the specific embodiments thereof, the present invention is not limited to the above embodiments, and various changes can be made without departing from the gist of the present invention within the knowledge of those skilled in the art without departing from the scope of the present invention.

Claims

1. The utility model provides a drying device of preparation solid particle catalyst, includes base (1), be equipped with PLC controller (10) on base (1), its characterized in that: the drying machine is characterized in that a motor (11), a speed reducer (12) and a cross rod (14) are further arranged on the base (1), the motor (11) is connected with a gear (13) through the speed reducer (12), two groups of the cross rod (14) are provided, a transmission gear (15) and a roller (16) are rotatably connected with each other on the cross rod (14), the transmission gear (15) is meshed with the gear (13), a drying cylinder (2), a feeding cover (3) and a discharging cover (4) are arranged at the top of the base (1), the drying cylinder (2) is a cylindrical shell with two through left and right ends, an outer toothed ring (21) and a sliding ring (22) are arranged on the outer wall of the drying cylinder (2), the outer toothed ring (21) is meshed with the transmission gear (15), the sliding ring (22) is slidably connected with the roller (16), and the left end of the drying cylinder (2) is rotatably connected with the feeding cover (3), be equipped with into hopper (31), advance the heat mouth on feeding lid (3), it is connected with hot-blast source (30) to advance the heat mouth, the bottom of going into hopper (31) with drying cylinder (2) position is corresponding, the right-hand member of drying cylinder (2) rotates and is connected with ejection of compact lid (4), the top of ejection of compact lid (4) is equipped with air drafting mechanism, the bottom of ejection of compact lid (4) is equipped with blanking mechanism, PLC controller (10) with hot-blast source (30) motor (11) are connected.

2. The drying apparatus for producing a solid particulate catalyst according to claim 1, wherein: the inner wall of drying cylinder (2) is equipped with baffle (23), arc (24), baffle (23) with the axis of drying cylinder (2) is perpendicular, baffle (23) only with one side of drying cylinder (2) is connected, baffle (23) arc (24) all have the multiunit and crisscross the setting.

3. The drying apparatus for producing a solid particulate catalyst according to claim 2, wherein: the arc-shaped plate (24) is continuously arranged from the left end to the right end of the drying cylinder (2), an inclined plane is arranged on the arc-shaped plate (24), and the inclined plane faces to one side where the discharging cover (4) is located.

4. The drying apparatus for producing a solid particulate catalyst according to claim 1, wherein: convulsions mechanism includes suction chamber (42), air exhauster (40), the bottom in suction chamber (42) is connected discharge cover (4), be equipped with filter screen (421) in suction chamber (42), suction chamber (42) pass through the pipe connection air exhauster (40), PLC controller (10) with air exhauster (40) are connected.

5. The drying apparatus for producing a solid particulate catalyst according to claim 1, wherein: the blanking mechanism comprises a discharge hopper (41) and a blanking box (5), the top of the discharge hopper (41) is connected with the discharge cover (4), and the bottom of the discharge hopper (41) is connected with the blanking box (5).

6. The drying apparatus for producing a solid particulate catalyst according to claim 5, wherein: the blanking box (5) is provided with a box door (51) which is opened laterally, and a trolley (52) is arranged in the blanking box (5).

7. The drying apparatus for producing a solid particulate catalyst according to claim 6, wherein: the trolley (52) is a shell with a through top, the trolley (52) corresponds to the discharge hopper (41), moving wheels are arranged at the bottom of the trolley (52), and handles are arranged on the side walls of the trolley (52).