Automatic catalyst filling device based on hydrogenation reactor

Abstract

The utility model relates to the technical field of filling devices, and discloses an automatic catalyst filling device based on a hydrogenation reactor, which comprises a slewing bearing and a discharge pipe, the device further comprises a telescopic mechanism and a telescopic laminated plate, the telescopic mechanism is arranged on the slewing bearing, one side of the inner end of the telescopic laminated plate is arranged on the side face of the slewing bearing, and the output end of the telescopic mechanism is fixedly connected to one side of the outer end of the telescopic laminated plate. And one side of the pipe end of the discharging pipe is fixedly connected to one side of the outer end of the telescopic laminated plate. By the adoption of the structure, the telescopic folding plate can be driven to unfold and contract through the telescopic mechanism, so that the discharging pipe is driven to stretch or contract to adjust the discharging position of the outer end; meanwhile, the upper surface of the catalyst can be rotationally scraped by matching the unfolded telescopic laminated plate with the rotating slewing bearing, so that the upper surface of the catalyst in the reactor is uniform, and excessive accumulation is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of filling devices, in particular to an automatic catalyst filling device based on a hydrogenation reactor. Background Art

[0002] At present, in the petrochemical industry, the dense phase filling of hydrogenation reactor catalysts has basically achieved mechanization and automation, but ordinary filling is still mainly manual, with problems such as unguaranteed filling quality, poor working environment for workers, and low filling efficiency. In order to solve the above technical problems, the patent document with announcement number CN 216093565 U discloses an automatic filling device for hydrogenation reactor catalysts, which can meet the requirements of different catalyst bed heights by adopting a telescopic catalyst delivery pipe and a lifting device, and can simulate circular motion automatic filling through a rotating device, and the angle of the discharge pipe can be adjusted to make the filling more uniform and controllable.

[0003] However, in the above-mentioned prior art, the opening of the discharge pipe faces the outer end when in use, and after the catalyst is discharged, accumulation will form on the outer circle, thereby causing uneven loading. Utility Model Content

[0004] The utility model mainly provides an automatic catalyst loading device based on a hydrogenation reactor, which solves the problem in the prior art that the opening of the discharge pipe faces the outer end when in use, and accumulation is formed on the outer circle after the catalyst is discharged, thereby causing uneven loading.

[0005] In order to solve the above technical problems, the utility model adopts the following technical solutions:

[0006] A catalyst automatic loading device based on a hydrogenation reactor includes a slewing bearing and a discharge pipe; it also includes a telescopic mechanism and a telescopic stacking plate, wherein the telescopic mechanism is arranged on the slewing bearing, the inner end of the telescopic stacking plate is arranged on the side of the slewing bearing, the output end of the telescopic mechanism is fixedly connected to the outer end of the telescopic stacking plate, and the tube end of the discharge pipe is fixedly connected to the outer end of the telescopic stacking plate. With the structure of the present application, the telescopic stacking plate can be driven to expand and contract by the telescopic mechanism, thereby extending or contracting the discharge pipe to adjust the discharge position of the outer end; at the same time, the upper surface of the catalyst can be rotated and scraped by the unfolded telescopic stacking plate in cooperation with the rotating slewing bearing, so that the upper surface of the catalyst in the reactor is uniform and excessive accumulation is avoided.

[0007] Furthermore, the telescopic stacking plate comprises multiple layers of nesting plates which are slidably sleeved in sequence, and an outer end plate sleeved in the outermost layer of the nesting plates; the innermost layer of the nesting plates is arranged on the side of the slewing support. The telescopic stacking plate adopting this structure is simple in structure and easy to use.

[0008] Furthermore, the telescopic mechanism includes a mounting frame arranged on the slewing bearing, a telescopic cylinder arranged on the mounting frame, and a scissors frame whose inner end is rotatably connected to the mounting frame, the output end of the telescopic cylinder is fixedly connected to the outer end of a rotating shaft joint of the scissors frame, and is used to drive the scissors frame to extend and retract, and the outer end of the scissors frame is rotatably connected to the outer end plate. Among them, the rotating shaft connection is the part of the middle part of the scissors frame that is rotatably connected, that is, the rotating shaft. The telescopic cylinder is fixedly connected to the outer end of the second rotating shaft joint, the outer end of the first rotating shaft joint of the scissors frame is fixedly connected to the innermost nested plate, and the outer end of the last rotating shaft joint of the scissors frame, that is, the outer end of the outermost rotating shaft joint, is fixedly connected to the outer end plate. With this structure, the scissors frame can be driven to extend or retract by the telescopic cylinder.

[0009] Furthermore, an opening is provided at the lower end of the nesting plate. With this structure, the opening is provided at the lower end of the nesting plate to ensure the levelness of the lower part, thus achieving a good scraping effect.

[0010] Furthermore, the outer surfaces of the nesting plate and the outer end plate are both provided with sliding protrusions, and the inner side surface of the nesting plate is provided with sliding grooves that match the sliding protrusions. With this structure, the nesting plate and the outer end plate can be conveniently slidably mounted, and can be limited up and down.

[0011] Beneficial effect: By adopting the structure of the present application, the telescopic stack can be driven to expand and contract through the telescopic mechanism, so that the discharge pipe can be extended or contracted to adjust the discharge position of the outer end; at the same time, the upper surface of the catalyst can be rotated and scraped by the expanded telescopic stack in cooperation with the rotating slewing bearing, so that the upper surface of the catalyst in the reactor is uniform and excessive accumulation is avoided. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a front view schematic diagram of the telescopic stacking plate of this embodiment;

[0013] Figure 2 It is a schematic side view of the telescopic stacking plate of this embodiment;

[0014] Reference numerals: slewing bearing 1, discharge pipe 2, nesting plate 3, outer end plate 4, mounting frame 5, telescopic cylinder 6, scissor frame 7, rotating shaft joint 8, sliding protrusion 9. DETAILED DESCRIPTION

[0015] The technical solution of an automatic catalyst loading device based on a hydrogenation reactor involved in the utility model will be further described in detail below in conjunction with embodiments.

[0016] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0017] like Figure 1 , Figure 2 As shown, a catalyst automatic loading device based on a hydrogenation reactor in this embodiment includes a slewing bearing 1 and a discharge pipe 2; it also includes a telescopic mechanism and a telescopic stacking plate, the telescopic mechanism is arranged on the slewing bearing 1, the inner end of the telescopic stacking plate is arranged on the side of the slewing bearing 1, the output end of the telescopic mechanism is fixedly connected to the outer end of the telescopic stacking plate, and the tube end of the discharge pipe 2 is fixedly connected to the outer end of the telescopic stacking plate. The telescopic stacking plate includes multiple layers of nesting plates 3 that are slidably sleeved in sequence, and an outer end plate 4 sleeved in the outermost nesting plate 3; the innermost nesting plate 3 is arranged on the side of the slewing bearing 1. The telescopic mechanism includes a mounting frame 5 arranged on the slewing bearing 1, a telescopic cylinder 6 arranged on the mounting frame 5, and a scissor frame 7 whose inner end is rotatably connected to the mounting frame 5. The output end of the telescopic cylinder 6 is fixedly connected to the outer end of a rotating shaft joint 8 of the scissor frame 7, and is used to drive the scissor frame 7 to telescope, and the outer end of the scissor frame 7 is rotatably connected to the outer end plate 4. The lower end of the nesting plate 3 is provided with an opening. The outer surfaces of the nesting plate 3 and the outer end plate 4 are both provided with sliding protrusions 9, and the inner side surface of the nesting plate 3 is provided with sliding grooves that match the sliding protrusions 9. With the structure of the present application, the telescopic stacking plate can be driven to expand and contract through the telescopic mechanism, thereby extending or contracting the discharge pipe 2 to adjust the discharge position of the outer end; at the same time, the upper surface of the catalyst can be rotated and scraped by the unfolded telescopic stacking plate in cooperation with the rotating slewing bearing 1, so that the upper surface of the catalyst in the reactor is uniform and excessive accumulation is avoided.

[0018] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A catalyst automatic loading device based on a hydrogenation reactor, comprising a slewing bearing and a discharge pipe; characterized in that: It also includes a telescopic mechanism and a telescopic stacking plate, wherein the telescopic mechanism is arranged on the slewing bearing, the inner end of the telescopic stacking plate is arranged on the side of the slewing bearing, the output end of the telescopic mechanism is fixedly connected to the outer end of the telescopic stacking plate, and the tube end of the discharge pipe is fixedly connected to the outer end of the telescopic stacking plate.

2. The automatic catalyst loading device based on a hydrogenation reactor according to claim 1, characterized in that: The telescopic stacking plate comprises multiple layers of nesting plates which are slidably sleeved in sequence, and an outer end plate sleeved in the outermost nesting plates; the innermost nesting plates are arranged on the side surface of the slewing support.

3. The automatic catalyst loading device based on a hydrogenation reactor according to claim 2, characterized in that: The telescopic mechanism includes a mounting frame arranged on the slewing bearing, a telescopic cylinder arranged on the mounting frame, and a scissors frame whose inner end is rotatably connected to the mounting frame. The output end of the telescopic cylinder is fixedly connected to the outer end of a rotating shaft joint of the scissors frame and is used to drive the scissors frame to telescope. The outer end of the scissors frame is rotatably connected to the outer end plate.

4. The automatic catalyst loading device based on a hydrogenation reactor according to claim 3, characterized in that: An opening is formed at the lower end of the nesting plate.

5. The automatic catalyst loading device based on a hydrogenation reactor according to claim 4, characterized in that: The outer sides of the nesting plate and the outer end plate are both provided with sliding protrusions, and the inner side surface of the nesting plate is provided with sliding grooves matching the sliding protrusions.

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