Catalyst adding device for DMTO device

Abstract

The utility model relates to the technical field of adding devices, and discloses a catalyst adding device for a DMTO device, which comprises a storage box, a cleaning port is arranged on the storage box in a penetrating manner, arc-shaped baffles are fixedly connected to the upper end and the lower end of the cleaning port, and an arc-shaped cover plate is connected to the position, corresponding to the cleaning port, of the outer wall of the storage box through a hinge. Arc-shaped notches are formed in the two sides of one end of the arc-shaped cover plate, and fixing blocks are symmetrically and fixedly connected to the outer wall of the arc-shaped cover plate; through structures such as a telescopic column, a triangular block, a fixed block, an arc-shaped cover plate, an arc-shaped baffle, an arc-shaped notch and a spring, the interior of the storage box can be thoroughly cleaned, the situation that cleaning is not thorough when a cleaning plate is used for cleaning is avoided, so that the overall tidiness effect is improved, and the problems that a reaction tank cannot be opened in the using process of a traditional device, and the use cost is reduced are solved. The catalyst is left in the reaction tank after the addition is finished, so that the inner wall of the reaction tank is corroded.

Description

TECHNICAL FIELD

[0001] The utility model relates to adding device technical field, concretely is a kind of catalyst adding device for DMTO device. BACKGROUND

[0002] DMTO reaction is that gaseous methanol enters fluidized bed reactor, under the action of catalyst, low carbon ethylene and propylene are generated and carbon four, carbon five and propane are by-produced, with the progress of DMTO reaction, coke and other substances generated cover catalyst active center and block catalyst pore, ethylene and propylene and other target products cannot diffuse out, leading to catalyst deactivation, because different catalysts have different coke speed and coke amount under the same production condition, the deactivation degree and single-pass life length of catalyst are different, causing different methanol consumption, diene yield and total liquid yield, and catalyst needs to be added during DMTO reaction, so adding device is needed to add.

[0003] Chinese patent provides a kind of chemical catalyst adding device, and the publication number is CN222076555U, including reaction tank, the top of the reaction tank is equipped with movable mouth, and the movable mouth is equipped with chute on one side;Support column is set in the bottom of reaction tank, inlet hopper is set in the top of reaction tank.

[0004] The above device drives the driving plate to move by rotating the rotating rod, drives the driving block to move when the driving plate moves to contact the driving block, and drives the baffle to move when the driving block moves, the baffle does not block the catalyst in the storage tube when moving, but the reaction tank cannot be opened during use, so it cannot be thoroughly cleaned inside, resulting in residual catalyst inside the reaction tank after adding, which will corrode the inner wall of the reaction tank and affect subsequent use. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a kind of catalyst adding device for DMTO device, to solve the problem that the existing device cannot open the reaction tank during use, resulting in residual catalyst inside the reaction tank after adding, which will corrode the inner wall of the reaction tank.

[0006] To achieve the above object, the utility model provides the following technical scheme: A kind of catalyst adding device for DMTO device, including storage tank, the cleaning port is arranged on the storage tank, the arc baffle is fixedly connected at the upper and lower ends of the cleaning port, the arc cover is connected by hinge at the cleaning port of the outer wall of the storage tank, the arc cover is provided with arc notch at both sides of one end, the outer wall of the arc cover is fixedly connected with fixed block symmetrically, the plug is fixedly connected at one end of two fixed blocks, the triangular block is fixedly connected on two plugs, the fixed frame is fixedly connected on the side of the outer wall of the storage tank corresponding to fixed block, the telescopic hole is arranged at one end of two fixed frames, and the telescopic column is arranged in the inner wall of two telescopic holes.

[0007] Preferably, the telescopic hole is provided with sliding groove at both sides of upper and lower ends, and the sliding block is slidably connected in the inner wall of two groups of sliding grooves.

[0008] Preferably, the sliding block is fixedly connected with spring at one end, and the spring is fixedly connected with sliding groove.

[0009] Preferably, the storage tank is fixedly connected with the discharge pipe at the bottom end, the outer wall of the discharge pipe is fixedly connected with the circular hollow plate at the bottom, and the connecting pipe is fixedly connected at the bottom end of the circular hollow plate.

[0010] Preferably, the circular hollow plate is provided with disc in the inner wall, and the discharge notch is arranged in the disc.

[0011] Preferably, the motor is fixedly connected with the drive shaft at the driving end, and the drive shaft is fixedly connected with the disc and penetrates the circular hollow plate.

[0012] Preferably, the storage tank is fixedly penetrated with the feeding pipe at the top end, and the support leg is fixedly connected on the four sides of the outer wall of the storage tank.

[0013] Preferably, the circular hollow plate is fixedly connected with one of the support legs.

[0014] Compared with the prior art, the utility model has the beneficial effects that:

[0015] 1) The catalyst adding device for DMTO device can thoroughly clean the inside of the storage tank through the cooperation of telescopic column, triangular block, fixed block and arc cover, avoids the incomplete cleaning caused by using cleaning plate, improves the overall neatness, avoids the corrosion of the inner wall of the storage tank, and completes the limiting installation of arc cover through the cooperation of arc baffle, arc notch, spring and the above structure after cleaning.

[0016] 2) the DMTO device with catalyst adding device, through the cooperation of motor, drive shaft, disc, blanking gap, blanking pipe and connecting pipe, can make catalyst quantitative blanking, prevent blanking too much, affect the use of catalyst. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is whole structure schematic diagram of the DMTO device with catalyst adding device of the utility model;

[0018] Figure 2 It is bottom perspective view of the DMTO device with catalyst adding device of the utility model;

[0019] Figure 3 It is partial structure split diagram of the DMTO device with catalyst adding device of the utility model;

[0020] Figure 4 It is fixed frame sectional view of the DMTO device with catalyst adding device of the utility model;

[0021] Figure 5 It is circular hollow plate sectional view of the DMTO device with catalyst adding device of the utility model.

[0022] In the drawing: 1, storage box; 2, cleaning port; 3, arc baffle; 4, arc cover plate; 5, arc gap; 6, fixed block; 7, plugboard; 8, triangular block; 9, fixed frame; 10, telescopic column; 11, sliding slot; 12, sliding block; 13, spring; 14, blanking pipe; 15, circular hollow plate; 16, connecting pipe; 17, disc; 18, blanking gap; 19, motor; 20, drive shaft. DETAILED DESCRIPTION

[0023] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by the person skilled in the art without creative labor are within the protection scope of the utility model.

[0024] Embodiment one

[0025] Combined Figures 1-5A kind of DMTO device catalyst adding device, including storage tank 1, cleaning port 2 is arranged on storage tank 1, both ends of cleaning port 2 are fixedly connected with arc baffle 3, arc cover plate 4 is connected with hinge at the place of cleaning port 2 on the outer wall of storage tank 1, arc-shaped notch 5 is formed in the one end of arc cover plate 4, symmetrically fixedly connected with fixed block 6 on the outer wall of arc cover plate 4, two fixed blocks 6 are fixedly connected with plugboard 7 in one end, three triangular blocks 8 are fixedly connected on two plugboards 7, fixed frame 9 is fixedly connected on the one side of the outer wall of storage tank 1 corresponding to fixed block 6, the one end of two fixed frames 9 is arranged with telescopic hole, telescopic column 10 is arranged on the inner wall of two telescopic holes, sliding groove 11 is formed in the upper and lower sides of the inner wall of two telescopic holes, sliding block 12 is slidably connected on the inner wall of two groups of sliding grooves 11, two groups of sliding blocks 12 and two telescopic columns 10 are fixedly connected respectively, spring 13 is fixedly connected in the one end of two groups of sliding blocks 12, two groups of springs 13 and two groups of sliding grooves 11 are fixedly connected respectively.

[0026] Specifically, the arc-shaped baffle 3 and the arc-shaped notch 5 are matched in shape, so that the arc-shaped cover plate 4 can be limited, thereby the cleaning port 2 can be closed and opened, the fixed block 6 is fixed on the arc-shaped cover plate 4, the telescopic column 10 can be extruded due to the triangular block 8, when the fixed block 6 and the fixed frame 9 are in contact, the telescopic column 10 can be clamped on the other side of the triangular block 8 by the reset action of the spring 13, the limiting of the triangular block 8 is completed, thereby the arc-shaped cover plate 4 can be closed on the cleaning port 2, when disassembled and opened, the telescopic column 10 is stretched outward to release the limitation of the triangular block 8, so that the arc-shaped cover plate 4 can be opened, thereby the inner wall of the storage tank 1 can be thoroughly cleaned, and the cleaning effect is improved.

[0027] Example two

[0028] Referring to Figure 1 , Figure 3 and Figure 5 , and on the basis of example one, it is further obtained that the lower end of the storage tank 1 is fixedly connected with a discharging pipe 14, the outer wall of the discharging pipe 14 is fixedly connected with a circular hollow plate 15 at the bottom, the bottom end of the circular hollow plate 15 is fixedly connected with a connecting pipe 16, the inner wall of the circular hollow plate 15 is provided with a disc 17, the disc 17 is arranged with a discharging gap 18, the bottom end of the storage tank 1 is fixedly connected with a motor 19 through a plate, the driving end of the motor 19 is fixedly connected with a driving shaft 20, the driving shaft 20 is fixedly connected with the disc 17 and penetrates through the circular hollow plate 15, the top end of the storage tank 1 is fixedly penetrated with a feeding pipe, the outer wall of the storage tank 1 is fixedly connected with a supporting leg on four sides, the circular hollow plate 15 is fixedly connected with one of the supporting legs.

[0029] Specific, by setting the blanking pipe 14 and connecting pipe 16 are discharged, and in the blanking motor 19 is started with the drive shaft 20 rotation, thus can take the disc 17 rotation, and in the rotation blanking gap 18 can make the catalyst down, when the blanking gap 18 away from the blanking pipe 14 and connecting pipe between, can stop the blanking operation, thus can realize quantitative blanking operation, avoid blanking too much, affect the subsequent use.

[0030] In actual operation process, first after use, pull the telescopic column 10 to the outside and contact the limiting of the triangular block 8, at this moment, the fixed block 6 is turned to one side, so that the arc-shaped cover plate 4 can be opened, thus the inside of the storage box 1 can be thoroughly cleaned, avoiding the situation that the cleaning plate cannot be cleaned when using the cleaning plate, thereby improving the overall neatness, when cleaning, turn the arc-shaped cover plate 4 and install the arc-shaped cover plate 4 under the cooperation of the arc-shaped baffle 3 and the arc-shaped gap 5, the telescopic column 10 can be extruded by the triangular block 8 to move to one side, and when the fixed block 6 and the fixed frame 9 contact, the telescopic column 10 can be clamped on the other side of the triangular block 8 by the elastic reset action of the spring 13 to complete the limiting of the arc-shaped cover plate 4;

[0031] Then pour the catalyst into the storage box 1, at this moment, the motor 19 is started with the drive shaft 20 rotation, and the drive shaft 20 takes the disc 17 rotation, when the blanking gap 18 enters between the blanking pipe 14 and the connecting pipe 16, the catalyst will fall, when the blanking gap 18 leaves between the blanking pipe 14 and the connecting pipe 16, the catalyst can be blocked, thus the catalyst can be quantitatively discharged, preventing too much from affecting the use of the catalyst.

[0032] Although the embodiments of the present application have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the present application, the scope of the present application is defined by the appended claims and their equivalents.

Claims

1. A catalyst addition device for a DMTO plant, comprising a storage tank (1), characterized in that: The storage box (1) is provided with a cleaning port (2) penetratingly arranged on the storage box (1), arc-shaped baffles (3) are fixedly connected to the upper and lower ends of the cleaning port (2), arc-shaped cover plates (4) are hingedly connected to the outer wall of the storage box (1) corresponding to the cleaning port (2), arc-shaped notches (5) are formed in the two sides of one end of each arc-shaped cover plate (4), fixed blocks (6) are fixedly connected to the outer wall of each arc-shaped cover plate (4) in a symmetrical manner, plug plates (7) are fixedly connected to the one end of each fixed block (6), triangular blocks (8) are fixedly connected to the plug plates (7), fixed frames (9) are fixedly connected to the side of the outer wall of the storage box (1) corresponding to the fixed blocks (6), telescopic holes are penetratingly arranged in the one end of each fixed frame (9), and telescopic columns (10) are arranged in the inner walls of the telescopic holes.

2. A catalyst addition device for a DMTO apparatus according to claim 1, characterized by: Sliding grooves (11) are formed in the inner walls of the upper and lower sides of each telescopic hole, sliding blocks (12) are slidingly connected to the inner walls of the sliding grooves (11), and the sliding blocks (12) and the telescopic columns (10) are fixedly connected.

3. A catalyst addition device for a DMTO apparatus according to claim 2, characterized in that: The one end of each sliding block (12) is fixedly connected with a spring (13), and the spring (13) and the sliding groove (11) are fixedly connected.

4. The catalyst addition device for a DMTO apparatus according to claim 1, characterized in that: The bottom end of the storage box (1) is fixedly connected with a discharging pipe (14), the bottom end of the outer wall of the discharging pipe (14) is fixedly connected with a circular hollow plate (15), and the bottom end of the circular hollow plate (15) is fixedly connected with a connecting pipe (16).

5. A catalyst addition device for a DMTO apparatus according to claim 4, characterized in that: A disc (17) is arranged in the inner wall of the circular hollow plate (15), and a discharging notch (18) is penetratingly arranged in the disc (17).

6. A catalyst addition device for a DMTO apparatus according to claim 5, characterized in that: The bottom end of the storage box (1) is fixedly connected with a motor (19) through a plate, the driving end of the motor (19) is fixedly connected with a driving shaft (20), and the driving shaft (20) is fixedly connected with the disc (17) and penetrates through the circular hollow plate (15).

7. A catalyst addition device for a DMTO apparatus as defined in claim 4, characterized by: A feeding pipe is fixedly and penetratingly arranged at the top end of the storage box (1), and support legs are fixedly connected to the four sides of the outer wall of the storage box (1).

8. A catalyst addition device for a DMTO apparatus according to claim 7, characterized in that: The circular hollow plate (15) is fixedly connected with one of the support legs.

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