Isothermal conversion furnace catalyst filling tool

Abstract

The catalyst filling tool comprises a supporting frame, a barrel, a discharging assembly and a discharging pipe, the barrel is fixed to the upper portion of the supporting frame, the discharging assembly is arranged at the bottom of the barrel, and the lower end of the discharging assembly is connected with the discharging pipe; the discharging assembly comprises a circular bottom plate and a discharging connecting pipe. A discharge hole is formed in the bottom of the barrel; the circular bottom plate is mounted in the discharge hole; a plurality of bottom plate discharging holes with the same diameter are formed in the circular bottom plate, and a discharging connecting pipe is mounted at the bottom of each bottom plate discharging hole; and each discharge connecting pipe is connected with a blanking pipe. After a catalyst is put into the cylinder body, the opening degree of the discharge port is adjusted, the catalyst simultaneously enters the plurality of blanking pipes and simultaneously enters the plurality of catalyst filling ports of the isothermal shift converter along different directions, and the filling height and the stacking density of the catalyst entering gaps of heat transfer pipes at all positions in the isothermal shift converter are basically consistent, so that the purpose of uniformly spreading the catalyst is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of catalyst filling, in particular to a catalyst filling tool for an isothermal conversion furnace. Background Art

[0002] In the conversion device in the coal chemical industry, the isothermal conversion furnace consists of two independent parts: the outer shell and the inner part. The inner wall of the outer shell is equipped with a catalyst basket outer cylinder covered with ventilation holes, and the inner part is a heat transfer tube bundle with a spherical cavity, and the gaps between the heat transfer tubes are filled with catalysts.

[0003] Traditional catalyst loading methods generally use manual bag loading, which often results in inconsistent loading height and stacking density of catalysts in the gaps of the heat transfer pipes of the isothermal conversion furnace, causing the catalyst bed to have different tightness, thereby affecting the distribution of airflow and affecting the reaction and temperature control in the isothermal conversion furnace. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide an isothermal conversion furnace catalyst filling tool to achieve the purpose of basically consistent filling height and stacking density of the isothermal conversion furnace catalyst.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] An isothermal conversion furnace catalyst loading tool, comprising a support frame, a cylinder, a discharge assembly and a discharge pipe, wherein the cylinder is fixed to the upper part of the support frame, the discharge assembly is arranged at the bottom of the cylinder, and the lower end of the discharge assembly is connected to the discharge pipe;

[0007] The discharge assembly includes a circular bottom plate and a discharge pipe; a discharge port is provided at the bottom of the cylinder, and the circular bottom plate is installed in the discharge port; a plurality of bottom plate discharge holes with the same diameter are opened on the circular bottom plate, and a discharge pipe is installed at the bottom of each bottom plate discharge hole; each discharge pipe is connected to a discharge pipe.

[0008] Furthermore, the cylinder body comprises an upper straight cylinder and a lower cone, a lifting lug is arranged above the cylinder wall of the upper straight cylinder, and the discharge port is arranged at the bottom of the lower cone.

[0009] Furthermore, the discharge assembly also includes a circular sealing plate; a plurality of sealing plate discharge holes are opened on the circular sealing plate, and the positions of the sealing plate discharge holes and the discharge holes of the bottom plate correspond to each other and have the same hole diameters; a mounting hole is arranged at the center of the circular sealing plate, and a short column is arranged at the center of the circular bottom plate, and the circular sealing plate is rotatably mounted on the short column of the circular bottom plate through the mounting hole.

[0010] Furthermore, a handle is arranged on the outer edge of the circular sealing plate, and a handle installation groove is opened at the bottom of the lower cone, and the handle passes through the handle installation groove and extends to the outside of the lower cone.

[0011] Furthermore, the support frame includes a plurality of support columns, and a circular support pad is provided at the bottom of the support columns.

[0012] Furthermore, the discharge pipe is a hollow steel pipe, and a groove is provided on the outer surface of the discharge pipe.

[0013] The isothermal conversion furnace catalyst filling tool provided by the utility model, on the one hand, changes the traditional manual filling of one bag at a time, realizes continuous filling, and improves the filling speed and efficiency of the catalyst; on the other hand, through the setting of the discharge port discharge pipe, the catalyst can be evenly spread, ensuring the consistency of the filling height and stacking density of the catalyst in the gap of the heat transfer tube bundle of the isothermal conversion furnace, thereby improving the catalyst filling quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] The drawings herein are used to provide further description of the present invention and constitute a part of the present application. The illustrative embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute improper limitations on the present invention.

[0015] Figure 1 This is an oblique top view of the three-dimensional structure of the isothermal shift furnace catalyst loading tool (with working conditions).

[0016] Figure 2 This is an oblique top view of the three-dimensional structure of the isothermal shift furnace catalyst loading tool.

[0017] Figure 3 This is an oblique upward view of the three-dimensional structure of the isothermal conversion furnace catalyst loading tool cylinder.

[0018] Figure 4 It is a schematic diagram of the structure of the discharging component.

[0019] Figure 5 It is a structural schematic diagram of a circular bottom plate and a circular sealing plate, a is a circular bottom plate, and b is a circular sealing plate.

[0020] Figure 6 It is a schematic diagram of the structure of the discharge pipe.

[0021] In the figure, 1-support frame, 2-cylinder, 3-discharging assembly, 4-discharging pipe, 5-circular bottom plate, 6-discharging pipe, 7-circular sealing plate, 8-bottom plate discharging hole, 9-sealing plate discharging hole, 10-upper straight cylinder, 11-lower cone, 12-lifting ear, 13-mounting hole, 14-short column, 15-handle, 16-handle mounting groove, 17-support column, 18-circular support pad, 19-isothermal conversion furnace, 20-catalyst loading port, 21-internal cover plate, 22-card slot. DETAILED DESCRIPTION

[0022] In order to make those skilled in the art better understand the present invention, the present invention is further explained in detail below with reference to the accompanying drawings and embodiments. It should be noted that the features in the embodiments and embodiments of the present application can be combined with each other without conflict.

[0023] A typical embodiment of the utility model provides an isothermal conversion furnace catalyst loading tool, such as Figure 1 , Figure 2 As shown, it includes a support frame 1, a cylinder 2, a discharge assembly 3 and a discharge pipe 4. The cylinder 2 is fixed to the upper part of the support frame 1, the discharge assembly 3 is arranged at the bottom of the cylinder 2, and the lower end of the discharge assembly 3 is connected to the discharge pipe 4.

[0024] The discharge assembly 3 includes a circular bottom plate 5 and a discharge pipe 6; a discharge port is provided at the bottom of the cylinder 2, and the circular bottom plate 5 is installed in the discharge port; a plurality of bottom plate discharge holes 8 with the same diameter are opened on the circular bottom plate 5, and a discharge pipe 6 is installed at the bottom of each bottom plate discharge hole 8; each discharge pipe 6 is connected to a discharge pipe 4.

[0025] The circular bottom plate 5 is made of steel plate δ=20 and has a diameter of Ф600mm. Figure 4 , Figure 5 As shown, six bottom plate discharge holes 8 with the same diameter are opened on the circumferential direction of the circular bottom plate 5, and the diameter is 89 mm.

[0026] According to the above embodiment, the lower end of the feed pipe 4 is placed in the catalyst loading port 20 of the isothermal conversion furnace. After the catalyst is placed in the cylinder 2, the catalyst enters several feed pipes 4 at the same time, and the catalyst enters multiple catalyst loading ports 20 of the isothermal conversion furnace 19 simultaneously along different directions through multiple feed pipes 4. The catalyst loading height and stacking density of the catalyst in the gap between the heat transfer pipes at various positions in the isothermal conversion furnace 19 are basically consistent, so as to achieve the purpose of evenly spreading the catalyst.

[0027] In a relatively specific implementation, the cylinder 2 includes an upper straight cylinder 10 and a lower cone 11 , a lifting lug 12 is provided above the cylinder wall of the upper straight cylinder 10 , and the discharge port is provided at the bottom of the lower cone 11 .

[0028] The upper straight tube 10 and the lower cone 11 are both made of steel plate δ=5, wherein the diameter of the upper straight tube 10 is Ф1500mm, the diameter of the lower cone 11 is Ф1500 gradually changing to Ф550mm, and the lifting lug 12 is made of steel plate δ=10, in the form of a plate lifting lug.

[0029] In a preferred embodiment, in order to adjust the opening of the discharge assembly 3, the discharge assembly further includes a circular sealing plate 7. The circular sealing plate 7 is provided with a plurality of sealing plate discharge holes 9, which correspond to the positions of the discharge holes 8 of the bottom plate and have the same aperture; a mounting hole 13 is provided at the center of the circular sealing plate 7, and a short column 14 is provided at the center of the circular bottom plate 5, the short column 14 is made of round steel Ф16, and the bottom end is fixed to the center of the circular bottom plate 5. The circular sealing plate 7 is rotatably mounted on the short column 14 of the circular bottom plate 5 through the mounting hole 13.

[0030] The circular sealing plate 7 is made of steel plate δ=5, with a diameter of Ф590mm, and is aligned with the circular bottom plate 5. A plurality of sealing plate discharge holes 9 are opened on the circular sealing plate 7 around the center circumference, and the positions are consistent with the bottom plate discharge holes 8 on the circular bottom plate 5 and the hole diameters are the same.

[0031] The circular sealing plate 7 is installed on the short column 14 of the circular bottom plate 5 through the circular mounting hole 13. The circular sealing plate 7 rotates with the short column 14 as the central axis and cooperates with the circular bottom plate 5 to make the multiple sealing plate discharge holes 9 and the bottom plate discharge holes 8 fully open, half open or closed at the same time. The catalyst discharge rate is adjusted by adjusting the opening of the above two discharge holes.

[0032] In a preferred embodiment, a handle 15 is provided on the outer edge of the circular sealing plate 7 , a handle installation groove 16 is opened at the bottom of the lower cone 11 , and the handle 15 passes through the handle installation groove 16 and extends to the outside of the lower cone 11 .

[0033] A rectangular handle installation groove 13 is provided on the lower side of the lower vertebral body 11, which is 100 mm long and 8 mm wide. A rectangular handle 15 is provided on the outer edge of the circular sealing plate 7, which is made of flat steel. The handle 15 is installed in the handle installation groove 16 on the lower vertebral body 6. The rotating handle 15 drives the circular sealing plate 7 and the circular bottom plate 5 to cooperate with each other, and plays a role in adjusting the opening at the same time.

[0034] The discharge pipe 6 is a hollow steel pipe, and a slot 22 is provided on the outer surface of the discharge pipe 6. Figure 6 As shown, the discharge pipe 6 is a hollow steel pipe, which is a seamless steel pipe DN80×SCH40 (Ф89×5.5), and its outer surface is provided with a slot with a width of 5mm and a depth of 2mm, which is convenient for bundling and fixing the discharge pipe 4. The discharge pipe 4 is a PVC hose, which is a PVC transparent steel wire hose with an inner diameter of 89mm and a thickness of 3.7mm. The upper end is connected to the discharge pipe 6. The discharge pipe 4 is fixed to the slot 22 of the discharge pipe 6 with steel wire or a bundling belt, and the lower end of the discharge pipe 4 is placed in the catalyst loading port 20 of the isothermal conversion furnace 19.

[0035] In a relatively specific embodiment, the support frame 1 includes a plurality of support columns 17, and a circular support pad 18 is provided at the bottom of the support column 17. Figure 1 and Figure 2 As shown, the support frame 1 includes three support columns 17, the support columns 17 are hollow steel pipes, and are made of seamless steel pipes DN50×SCH40 (Ф60×5.5). The circular support pad 18 is made of steel plate δ=5 and has a diameter of Ф200mm. The support columns 17 are placed on the inner cover plate 21 of the isothermal conversion furnace 19.

[0036] The scope of protection claimed by the present invention is not limited to the above specific implementation methods. For those skilled in the art, the present invention may have various deformations and changes. Any modification, improvement and equivalent substitution made within the concept and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. An isothermal shift furnace catalyst loading tool, characterized in that: It includes a support frame, a cylinder, a discharging assembly and a feeding pipe. The cylinder is fixed to the upper part of the support frame, the discharging assembly is arranged at the bottom of the cylinder, and the lower end of the discharging assembly is connected to the feeding pipe; The discharge assembly includes a circular bottom plate and a discharge pipe; a discharge port is provided at the bottom of the cylinder, and the circular bottom plate is installed in the discharge port; a plurality of bottom plate discharge holes with the same diameter are opened on the circular bottom plate, and a discharge pipe is installed at the bottom of each bottom plate discharge hole; each discharge pipe is connected to a discharge pipe.

2. The catalyst loading tool for an isothermal conversion furnace according to claim 1, characterized in that: The cylinder body comprises an upper straight cylinder and a lower cone body, a lifting lug is arranged above the cylinder wall of the upper straight cylinder, and the discharge port is arranged at the bottom of the lower cone body.

3. The catalyst loading tool for an isothermal conversion furnace according to claim 2, characterized in that: The discharging assembly also includes a circular sealing plate; a plurality of sealing plate discharging holes are opened on the circular sealing plate, and the positions of the sealing plate discharging holes and the bottom plate discharging holes correspond and have the same hole diameters; a mounting hole is arranged at the center of the circular sealing plate, and a short column is arranged at the center of the circular bottom plate, and the circular sealing plate is rotatably mounted on the short column of the circular bottom plate through the mounting hole.

4. The catalyst loading tool for an isothermal conversion furnace according to claim 3, characterized in that: A handle is arranged on the outer edge of the circular sealing plate, a handle installation groove is opened at the bottom of the lower cone, and the handle passes through the handle installation groove and extends to the outside of the lower cone.

5. The catalyst loading tool for an isothermal conversion furnace according to claim 1, 2, 3 or 4, characterized in that: The support frame comprises a plurality of support columns, and a circular support pad is arranged at the bottom of the support columns.

6. The catalyst loading tool for an isothermal conversion furnace according to claim 5, characterized in that: The discharge pipe is a hollow steel pipe, and a clamping groove is arranged on the outer surface of the discharge pipe.

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