CN211284256U

CN211284256U - Coke drum feeding device

Info

Publication number: CN211284256U
Application number: CN201921891960.6U
Authority: CN
Inventors: 刘真
Original assignee: Sichuan Xingchuangtai Information Technology Co Ltd
Current assignee: Yulin City Yushen Industrial Zone Huahang Energy Co ltd
Priority date: 2019-11-05
Filing date: 2019-11-05
Publication date: 2020-08-18
Anticipated expiration: 2029-11-05

Abstract

The utility model discloses a coke drum feeding device, including the coke drum, the bottom of coke drum is provided with automatic bottom cover machine, the lateral wall lower part intercommunication of coke drum has the feeding nozzle stub, the welding is sealed between feeding nozzle stub and the coke drum, the flange disc is installed to the right-hand member of feeding nozzle stub, be equipped with the center tube in the coke drum, the axis of center tube and the axis of coke drum coincide, the right-hand member intercommunication of center tube has the elbow, the entry end of elbow communicates the left end of feeding nozzle stub, the exit end of elbow installs and keeps off the burnt grid, the top of center tube is connected with the closure plate, the lateral wall upper portion of center tube has seted up a plurality of groups of spouts, the bottom of center; the utility model has the advantages of reasonable design, the feed is convenient, can avoid coke drum diameter direction to be heated the inhomogeneous deformation slope that arouses, can reduce that the intraductal material of center is remaining, is favorable to the continuous production operation of coke drum.

Description

Coke drum feeding device

Technical Field

The utility model relates to a coke drum relevant technical field especially relates to a coke drum feed arrangement.

Background

The coke tower is coker's core equipment, and the schizolysis of coking and the reaction of condensing coke formation go on in the coke tower, and the coke tower is coker's reactor, and in the during operation was squeezed into the coke tower with high temperature residual oil pressurization through external equipment, carry out coke formation and decoking work, high temperature residual oil erodees the column wall when coke tower one side feeding, leads to coke tower diameter direction to be heated inhomogeneously easily, causes the slope of coke tower direction one side.

Therefore, the technical personnel in the related art improves the above technical problem, for example, the chinese patent application No. CN200920012793.3 discloses a new feed inlet structure of a coke drum in needle coke production, in this application, the distributor sprays out the material from the side to form an airflow uniformly distributed in the cross section of the system, so as to improve the quality of the needle coke, but the technical solution in this application still has disadvantages, the distributor and the feed pipeline are arranged at the feed inlet at the bottom of the coke drum, and the coke fragments generated in the production process easily flow back into the feed pipeline, thereby causing the pipeline blockage and affecting the continuous operation of the production process, and for this reason, we propose a feeding device of a coke drum.

SUMMERY OF THE UTILITY MODEL

The utility model provides a coke drum feed arrangement, the feeding is even, avoids the backward flow to block up, is favorable to the work operation of coke drum. In order to realize the technical purpose, the technical effect is achieved, and the utility model discloses a realize through following technical scheme.

The utility model provides a coke drum feed arrangement, includes the coke drum, the bottom of coke drum is provided with automatic bottom machine, the lateral wall lower part intercommunication of coke drum has the feeding nozzle stub, welded seal between feeding nozzle stub and the coke drum, the ring flange is installed to the right-hand member of feeding nozzle stub, be equipped with the center tube in the coke drum, the axis of center tube and the axis coincidence of coke drum, the right-hand member intercommunication of center tube has the elbow, the entry end intercommunication feeding nozzle stub left end of elbow, the burnt grid that keeps off is installed to the exit end of elbow, the top of center tube is connected with the closure plate, a plurality of groups of spouts have been seted up on the lateral wall upper portion of center tube, the automatic bottom machine of bottom butt of center tube.

Preferably, in a coke drum feeding device, a plurality of groups of material spraying openings are uniformly distributed on the outer side wall of the central tube, and the material spraying openings are higher than the left end of the bent tube.

Preferably, in a coke drum feeding device, the coke blocking grid adopts a structure of a Chinese character 'mi'.

Preferably, in a coke drum feeding device, the bent pipe is bent upwards, and a central axis of the bent pipe is tangential to a central axis of the central pipe.

Preferably, in the coke drum feeding device, the bent pipe and the central pipe and the feeding short pipe are all designed by welding and sealing.

Preferably, in the coke drum feeding device, the lower part of the central pipe is provided with a solid structure, and the upper end of the solid part of the central pipe is flush with the bottom of the left end of the bent pipe.

Preferably, in a coke drum feed arrangement, the feed stubs are horizontally disposed.

The utility model has the advantages that:

1. the utility model has the advantages of reasonable design, access to external equipment through the ring flange, make the material enter the coke drum along feeding nozzle stub level, the feed is convenient, the material flow gets into the center tube through the pipe bend, make the material flow direction change from horizontal flow direction to vertical trend, through spout mouth evenly spill after rising along the coke drum axis, can avoid the coke drum diameter direction to be heated the deformation slope that the inhomogenous causes;

2. the closure plate is connected on center tube upper portion, and the spout mouth is evenly seted up at the center tube lateral wall, and the solid setting in center tube lower part can reduce the interior material of center tube remaining, can prevent through the setting of keeping off the burnt grid that the coke from getting into feed line against the current to avoid the pipeline to block up, be favorable to the continuous production operation of coke drum.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a schematic structural diagram of the middle coke-blocking grid of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-coke tower, 2-automatic bottom cover machine, 3-feeding short pipe, 4-flange plate, 5-central pipe, 6-bent pipe, 7-coke blocking grid, 8-blocking plate and 9-material spraying opening.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Please refer to fig. 1-2, this embodiment is a coke drum feeding device, including a coke drum 1, the bottom of the coke drum 1 is provided with an automatic bottom cover machine 2, the lower part of the outer side wall of the coke drum 1 is communicated with a feeding short pipe 3, the feeding short pipe 3 is welded and sealed with the coke drum 1, a flange plate 4 is installed at the right end of the feeding short pipe 3, a central pipe 5 is arranged in the coke drum 1, the central axis of the central pipe 5 coincides with the central axis of the coke drum 1, the right end of the central pipe 5 is communicated with a bent pipe 6, the inlet end of the bent pipe 6 is communicated with the left end of the feeding short pipe 3, a coke blocking grid 7 is installed at the outlet end of the bent pipe 6, the top of the central pipe 5 is connected with a blocking plate 8, the upper part of the outer.

A plurality of groups of material spraying ports 9 are uniformly distributed on the outer side wall of the central tube 5, and the positions of the material spraying ports 9 are higher than the left end of the bent tube 6, so that the materials can be conveniently sprayed out.

Keep off burnt grid 7 and adopt the meter font structure, can carry out the separation effect to the coke piece, prevent that the backward flow of coke piece from blockking up feed line.

The bent pipe 6 bends upwards, and the central axis of the bent pipe 6 and the central axis of the central pipe 5 are arranged tangentially, so that the drainage effect on materials is facilitated.

The bent pipe 6, the central pipe 5 and the feeding short pipe 3 are all in welding seal design, and the sealing performance of the device is improved.

The lower part of the central tube 5 is of a solid structure, the upper end of the solid part of the central tube 5 is flush with the bottom of the left end of the bent tube 6, the material can be pressurized and then sent out along the central tube 5, and the material residue in the central tube 5 is reduced.

The feeding short pipe 3 is horizontally arranged, so that the feeding short pipe is convenient to be externally connected with feeding equipment.

The utility model discloses a concrete implementation way does:

when the device is used, external equipment is connected through a flange plate 4, materials are pressurized and sent into a coke tower 1 along a feeding short pipe 3 with a horizontal trend, feeding is convenient, the bottom of the coke tower 1 is sealed through an automatic bottom cover machine 2, the materials flow into an inner cavity of the coke tower 1 and then enter a central pipe 5 through a bent pipe 6, the material flow direction is changed, the materials change from the horizontal flow direction to the vertical trend, the materials ascend along the central axis of the coke tower 1, the upper end of the coke tower is blocked through a blocking plate 8, the materials are uniformly scattered through a spray opening 9, deformation and inclination caused by nonuniform heating in the diameter direction of the coke tower 1 can be avoided, coke fragments are generated by coke generation of the coke tower 1, the spray opening 9 is uniformly arranged on the outer side wall of the central pipe 5, the blocking plate 8 is connected with the upper part of the central pipe 5, the lower part of the central pipe 5 is solid, material residues in, thereby avoiding the blockage of the pipeline and being beneficial to the continuous production operation of the coke tower 1.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. A coke drum feed apparatus comprising a coke drum (1), characterized in that: an automatic bottom cover machine (2) is arranged at the bottom of the coke tower (1), a feeding short pipe (3) is communicated with the lower part of the outer side wall of the coke tower (1), the feeding short pipe (3) and the coke tower (1) are welded and sealed, a flange plate (4) is arranged at the right end of the feeding short pipe (3), a central pipe (5) is arranged in the coke tower (1), the central axis of the central pipe (5) is superposed with the central axis of the coke tower (1), the right end of the central tube (5) is communicated with a bent tube (6), the inlet end of the bent tube (6) is communicated with the left end of the feeding short tube (3), a coke-blocking grid (7) is arranged at the outlet end of the bent pipe (6), a blocking plate (8) is connected with the top of the central pipe (5), a plurality of groups of material spraying openings (9) are formed in the upper portion of the outer side wall of the central tube (5), and the bottom of the central tube (5) is abutted to the automatic bottom cover machine (2).

2. The coke drum charging apparatus of claim 1, wherein: the spraying ports (9) are uniformly distributed on the outer side wall of the central tube (5), and the positions of the spraying ports (9) are higher than the left end of the bent tube (6).

3. The coke drum charging apparatus of claim 1, wherein: the coke blocking grid (7) adopts a structure in a shape of Chinese character 'mi'.

4. The coke drum charging apparatus of claim 1, wherein: the bent pipe (6) bends upwards, and the central axis of the bent pipe (6) and the central axis of the central pipe (5) are arranged tangentially.

5. The coke drum charging apparatus of claim 1, wherein: and the bent pipe (6), the central pipe (5) and the feeding short pipe (3) are all designed by adopting welding seal.

6. The coke drum charging apparatus of claim 1, wherein: the lower part of the central tube (5) is of a solid structure, and the upper end of the solid part of the central tube (5) is flush with the bottom of the left end of the bent tube (6).

7. The coke drum charging apparatus of claim 1, wherein: the feeding short pipe (3) is horizontally arranged.