CN211487596U

CN211487596U - Novel reforming reactor

Info

Publication number: CN211487596U
Application number: CN201922203001.7U
Authority: CN
Inventors: 吴新颖; 昌敬源; 万千
Original assignee: LUOYANG RUIZE PETROCHEMICAL ENGINEERING CO LTD
Current assignee: LUOYANG RUIZE PETROCHEMICAL ENGINEERING CO LTD
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-15
Anticipated expiration: 2029-12-10

Abstract

A novel reforming reactor comprises a reduction tank and a reforming reactor, wherein the reforming reactor comprises a cover plate fixedly connected inside the reforming reactor, and a cavity is arranged in the reforming reactor above the cover plate; a central pipe with the bottom communicated with the oil gas inlet is arranged below the cover plate and fixedly connected with the cover plate, a fan-shaped cylinder is also arranged below the cover plate, and a catalyst bed layer is arranged between the fan-shaped cylinder and the central pipe; the bottom of the reduction tank is provided with a catalyst conveying pipe for conveying the catalyst in the tank into a catalyst bed layer, the top of the reforming reactor is provided with a conical shell for connecting the reduction tank and the reforming reactor into a whole, and the bottom of the reforming reactor is provided with a structural framework for fixing the reforming reactor and the reduction tank at the same time; the reforming reaction tank and the reduction tank are made into one device, so that the weight of the device is reduced, a structural frame for fixing the reduction tank is omitted, the structure is simple, and the manufacturing and equipment cost is saved.

Description

Novel reforming reactor

Technical Field

The utility model belongs to the field of petrochemical continuous reforming devices, in particular to a novel reforming reactor.

Background

There are many continuous reformers in the petrochemical industry, and the reforming reactor is the most important equipment in the continuous reformers. In the continuous reforming device, catalyst firstly enters an upper reduction tank and enters a reforming reactor for reaction through a catalyst conveying pipe, and the reduction tank and the reforming reactor are fixed through a structural framework. The reforming reactor is generally placed on a structural frame of about 12 meters, an oil gas outlet is arranged at the top of the reforming reactor, the pipe diameter of the oil gas outlet is 1.2 meters or more due to the large scale of the device, and the reduction tank is generally arranged on the structural frame of 26 meters to avoid an oil gas outlet elbow, so that great inconvenience is brought to industrial production.

Disclosure of Invention

In order to overcome the defects in the prior art, the utility model aims to provide a novel reforming reactor which combines a reduction tank and a reforming reactor together and reduces the height of a structural frame.

The utility model aims at adopting the following technical scheme to realize. According to the utility model, the novel reforming reactor comprises a reduction tank provided with a catalyst inlet, and a reforming reactor provided with an oil gas inlet and a catalyst outlet, wherein the reforming reactor comprises a cover plate fixedly connected inside the reforming reactor, and a cavity is arranged above the cover plate in the reforming reactor; a central pipe with the bottom communicated with the oil gas inlet is arranged below the cover plate and fixedly connected with the cover plate, a fan-shaped cylinder which is distributed along the inner wall of the reforming reactor, the bottom of the fan-shaped cylinder is sealed, the top of the fan-shaped cylinder is communicated with the cavity through the cover plate, and a catalyst bed layer is arranged between the fan-shaped cylinder and the central pipe; the bottom of the reduction tank is provided with a catalyst conveying pipe for conveying the catalyst in the tank into a catalyst bed layer, the top of the reforming reactor is provided with a conical shell for connecting the reduction tank and the reforming reactor into a whole, and the bottom of the reforming reactor is provided with a structural framework for fixing the reforming reactor and the reduction tank at the same time.

Furthermore, a plurality of through holes for mixed oil gas to enter the cavity from the fan-shaped cylinder are formed in the cover plate positioned at the upper part of the fan-shaped cylinder.

Borrow by above-mentioned technical scheme, the utility model has the advantages that: the reforming reaction tank and the reduction tank are made into one device, so that the weight of the device is reduced, the manufacturing cost and the device cost are saved, a structural frame for fixing the reduction tank is omitted, and the whole structure of the device is simpler.

The foregoing description is only an overview of the technical solutions of the present invention, and in order to make the technical means of the present invention more clearly understood, the present invention may be implemented according to the content of the description, and in order to make the above and other objects, features, and advantages of the present invention more obvious and understandable, the following preferred embodiments are described in detail with reference to the accompanying drawings.

Drawings

FIG. 1 is a schematic diagram of the structure of a novel reforming reactor of this example.

Reference numerals

1-catalyst inlet, 2-reduction tank, 3-conical shell, 4-chamber, 5-oil gas outlet, 6-cover plate, 7-fan-shaped cylinder, 8-central tube, 9-oil gas inlet, 10-catalyst outlet, 11-reforming reactor, 12-catalyst conveying pipe, 13-catalyst bed layer and 14-structural framework.

Detailed Description

To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description will be given with reference to the accompanying drawings and preferred embodiments of a new reforming reactor, and its specific embodiments, structures, features and effects.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like 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, and 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 therefore, should not be construed as limiting the present invention. Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated.

Referring to fig. 1, a novel reforming reactor comprises a reduction tank 2 and a reforming reactor 11 located below the reduction tank 2, wherein a conical shell 3 for connecting the reduction tank 2 and the reforming reactor 11 into a whole is arranged at the top of the reforming reactor 11, and a structural frame 14 for fixing the reforming reactor 11 and the reduction tank 2 at the same time is arranged at the bottom of the reforming reactor 11.

The top of the reduction tank 2 is provided with an end enclosure, the bottom of the reduction tank 2 is provided with an inner end enclosure, the interior of the reduction tank 2 is also provided with a pipeline, one end of the pipeline penetrates through the end enclosure at the top to communicate the reduction tank 2 with the outside, the upper end of the pipeline is a catalyst inlet 1, a catalyst enters the reduction tank 2 through the pipeline and is subjected to reduction reaction in the reduction tank 2, and the bottom of the reduction tank 2 is also provided with two catalyst conveying pipes 12; a conical shell 3 is arranged below the reduction tank 2, and the reduction tank 2 is connected with the conical shell 3 through a flange;

a reforming reactor 11 is fixedly arranged at the lower part of the conical shell 3, a chamber 4 positioned at the upper part of the reforming reactor 11, a cover plate 6 positioned at the bottom of the chamber 4, a central tube 8, a catalyst bed layer 13 and a fan-shaped cylinder 7 are arranged in the reforming reactor 11, an oil gas inlet 9 is arranged at the bottom of the reforming reactor 11, oil gas enters the central tube 8 through the oil gas inlet 9, and the top of the central tube 8 is fixedly connected with the cover plate 6; the lower part of the cover plate 6 is also provided with a fan-shaped cylinder 7 distributed along the inner wall of the reforming reactor 11, the bottom of the fan-shaped cylinder 7 is sealed, and the cover plate 6 at the top is provided with a plurality of through holes for communicating the fan-shaped cylinder 7 with the chamber 4; a catalyst bed layer 13 is arranged between the fan-shaped cylinder 7 and the central pipe 8, and two catalyst conveying pipes 12 arranged at the bottom of the reduction tank 2 convey the catalyst in the reduction tank 2 to the catalyst bed layer 13 in the reforming reactor 11; the oil gas entering the central tube 8 enters the catalyst bed layer 13 and reacts with the catalyst to generate mixed oil gas, and the mixed oil gas enters the fan-shaped cylinder 7 and then enters the chamber 4 through the through hole on the cover plate 6; an oil gas outlet 5 for discharging the mixed oil gas in the chamber 4 is formed in the side wall of the chamber 4; the bottom of the reforming reactor 11 is provided with two catalyst outlets 10 with valves, so that the catalyst in the catalyst bed layer 13 can be discharged out of the reforming reactor 11 from the catalyst outlets 10; the reforming reactor 11 is externally provided with a structural frame 14 fixedly coupled to the outside of the reforming reactor 11 for fixing the reforming reactor 11 to a certain height.

The working principle of the embodiment is as follows: oil gas enters the reforming reactor 11 from the oil gas inlet 9 and then enters the central pipe 8, the oil gas diffuses towards the wall of the reactor, passes through the catalyst bed layer 13 and then enters the fan-shaped cylinder 7, then enters the chamber 4 through a through hole correspondingly arranged on the cover plate 6 at the top of the fan-shaped cylinder 7, is mixed in the chamber 4 and then flows out from the oil gas outlet 5; the catalyst is sent into the reduction tank 2 through the catalyst inlet 1, the catalyst is conveyed into the catalyst bed layer 13 through the catalyst conveying pipe 12 at the bottom of the reduction tank 2 to react with oil gas, a valve arranged on the catalyst outlet 10 at the bottom of the reforming reactor is opened, and the catalyst flows out from the catalyst outlet 10 at the bottom.

The above description is only a preferred embodiment of the present invention, and any person skilled in the art can easily modify, change or modify the above embodiments according to the technical spirit of the present invention without departing from the scope of the present invention.

Claims

1. The utility model provides a novel reforming reactor, is including the reduction jar that is provided with catalyst entry, the reforming reactor who is provided with oil gas import and catalyst export which characterized in that: the reforming reactor comprises a cover plate fixedly connected inside the reforming reactor, and a cavity is arranged at the upper part of the cover plate in the reforming reactor; a central pipe with the bottom communicated with the oil gas inlet is arranged below the cover plate and fixedly connected with the cover plate, a fan-shaped cylinder which is distributed along the inner wall of the reforming reactor, the bottom of the fan-shaped cylinder is sealed, the top of the fan-shaped cylinder is communicated with the cavity through the cover plate, and a catalyst bed layer is arranged between the fan-shaped cylinder and the central pipe; the bottom of the reduction tank is provided with a catalyst conveying pipe for conveying the catalyst in the tank into a catalyst bed layer, the top of the reforming reactor is provided with a conical shell for connecting the reduction tank and the reforming reactor into a whole, and the bottom of the reforming reactor is provided with a structural framework for fixing the reforming reactor and the reduction tank at the same time.

2. A novel reforming reactor as defined in claim 1, wherein: the cover plate positioned at the upper part of the fan-shaped cylinder is provided with a plurality of through holes for communicating the fan-shaped cylinder with the chamber.