CN211411965U

CN211411965U - Solid catalyst adsorption equipment

Info

Publication number: CN211411965U
Application number: CN201921862138.7U
Authority: CN
Inventors: 刘振飞; 尹利刚; 刘刚; 孙龙侠; 冯永奎; 刘立国; 王进勇; 王学朋
Original assignee: Liaocheng Luxi Polyamide New Material Technology Co ltd
Current assignee: Liaocheng Luxi Polyamide New Material Technology Co ltd
Priority date: 2019-10-30
Filing date: 2019-10-30
Publication date: 2020-09-04
Anticipated expiration: 2029-10-30

Abstract

The utility model relates to a solid catalyst adsorption equipment, including dehydrogenation reactor, the dust remover, the vacuum pump, the inside screen cloth that sets up of dust remover, dehydrogenation reactor passes through first interface connection with the dust remover, first interface is located the below of screen cloth, the dust remover passes through second connector with the vacuum pump, the second connector is located the top of screen cloth, dehydrogenation reactor is shell and tube fixed bed reactor, a plurality of adsorption tubes in dehydrogenation reactor's inside are connected with the dust remover inlet pipe respectively, the adsorption tube inserts the shell and tube of shell and tube fixed window reactor in, the dust remover inlet pipe is connected with the dust remover. The discharging process of the catalyst in the dehydrogenation reactor is simpler, and the complex and dangerous operation process is avoided.

Description

Solid catalyst adsorption equipment

Technical Field

The utility model relates to a solid catalyst adsorption equipment.

Background

The information in this background section is only for enhancement of understanding of the general background of the invention and is not necessarily to be construed as an admission or any form of suggestion that this information forms the prior art that is already known to a person of ordinary skill in the art.

The dehydrogenation reactor is a tubular fixed bed reactor and consists of an upper end enclosure, a lower end enclosure and a middle cylinder body, wherein the middle cylinder body is cylindrical, 2939 tubular columns are uniformly distributed in the middle cylinder body, a catalyst is filled in each tubular column, the upper end enclosure and the lower end enclosure are welded and sealed by argon arc welding and fastened by bolts, when the catalyst is replaced, the welded part of the upper end enclosure and the lower end enclosure needs to be exploded, then the bolts are disassembled, a supporting plate, a supporting barrier and a supporting net at the bottom of the reactor are disassembled, and the waste catalyst is disassembled from the tubular columns of the cylinder body.

SUMMERY OF THE UTILITY MODEL

To solve the above problems in the prior art, it is an object of the present invention to provide a solid catalyst adsorption apparatus.

In order to solve the technical problem, the technical scheme of the utility model is that:

the utility model provides a solid catalyst adsorption equipment, including the dehydrogenation reactor, the dust remover, the vacuum pump, the inside screen cloth that sets up of dust remover, dehydrogenation reactor and dust remover pass through first interface connection, first interface is located the below of screen cloth, the dust remover passes through the second connector with the vacuum pump, the second connector is located the top of screen cloth, the dehydrogenation reactor is shell and tube fixed bed reactor, a plurality of adsorption tubes are connected with the dust remover inlet pipe respectively in dehydrogenation reactor's inside, the adsorption tube inserts the shell and tube of shell and tube fixed window reactor, the dust remover inlet pipe is connected with the dust remover.

The materials in the tubular fixed bed reactor react by a tube pass, the shell pass provides heat conducting oil for the reaction, and the tube pass is filled with a catalyst. A plurality of adsorption tubes in the dehydrogenation reactor are respectively connected with a feed pipe of a dust remover, and then the feed pipe of the dust remover is connected with the dust remover. Can be put into a tube nest to adsorb the catalyst.

The utility model discloses a solid catalyst adsorption equipment adsorbs out the solid catalyst of dehydrogenation reactor through the dust remover, then filters through the screen cloth of dust remover, and the air after the filtration is siphoned away by the vacuum pump, and the material falls in the inside screen cloth below of dust remover, has realized catalyst recovery in the dehydrogenation reactor, has solved the dehydrogenation reactor and has unloaded and need the head to explode, the comparatively complicated problem of process.

As a further technical scheme, manholes are arranged on the upper end socket and the lower end socket of the dehydrogenation reactor, the inner diameter of a dehydrogenation reactor tube is DN40-45, and the outer diameter of an adsorption tube is DN 30-35.

As a further technical scheme, the dust remover is an inverted tank structure, the bottom of the dust remover is a discharge hole, and an automatic discharge valve is arranged at the discharge hole.

As a further technical scheme, an upper screen and a lower screen are arranged in the dust remover, and filter cloth is arranged between the upper screen and the lower screen.

As a further technical scheme, a vacuum pump inlet stop valve is arranged on a dust remover discharging pipe connected with a vacuum pump and a dust remover.

As a further technical scheme, the outlet of the vacuum pump is connected with a blow-down pipe.

The utility model has the advantages that:

1. the risk and the operation that the head, demolish the backup pad, support the barrier, change the supporting network and bring are opened in the reduction, and the operation process is safer.

2. The vacuum degree of the vacuum pump is-70 KPa, the catalyst in the tube array can be thoroughly sucked out, the operation of cleaning the tube array for the second time is eliminated, and a large amount of time can be saved.

3. The adsorption process is controllable by using the equipment to adsorb the catalyst, thereby avoiding the environmental pollution caused by discharging a large amount of catalyst.

4. After the catalyst is adsorbed, the automatic unloading valve can be opened to unload the catalyst into the ton bag, so that the labor capacity of personnel is reduced.

5. The equipment and the accessory pipelines thereof related by the invention can be used for regulating the agent in a company, so that the cost (about 70 ten thousand) for exploding the seal head and reinstalling the welding seal head at the later stage is reduced, and the economic benefit is very obvious.

Drawings

The accompanying drawings, which form a part hereof, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification, illustrate exemplary embodiments of the disclosure and together with the description serve to explain the invention and not to limit the invention unduly.

FIG. 1 is a structural view of a solid catalyst adsorption apparatus;

FIG. 2 is a tube configuration diagram of the interior of a dehydrogenation reactor;

the device comprises a dehydrogenation reactor 1, a lower end enclosure supporting plate 2, an upper screen, a lower screen, a dust remover 5, an automatic discharge valve 6, a discharge opening 7, a vacuum pump inlet stop valve 8, a vacuum pump 9, a vacuum pump 10, a vent pipe 11, a dust remover feed pipe 12, a dust remover discharge pipe 13, filter cloth 14, an adsorption pipe 15 and a tube array.

Detailed Description

It should be noted that the following detailed description is exemplary and is intended to provide further explanation of the invention. Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this disclosure belongs.

It is noted that the terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of example embodiments according to the present disclosure. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, and it should be understood that when the terms "comprises" and/or "comprising" are used in this specification, they specify the presence of stated features, steps, operations, devices, components, and/or combinations thereof, unless the context clearly indicates otherwise.

The existing dehydrogenation reactor 1 comprises an upper end enclosure, a lower end enclosure and a middle cylinder body, wherein the upper end enclosure and the lower end enclosure of the reactor are only provided with a manhole of DN600, and the tubes are uniformly distributed on the middle cylinder body, so that the upper end enclosure and the lower end enclosure are required to be exploded for unloading, and a catalyst is unloaded from the dehydrogenation reactor 1.

In the present application, the inside of the dehydrogenation reactor 1 sucks out the catalyst inside the reactor tubes through the adsorption tube 14, and as shown in fig. 1, the catalyst enters the adsorption tube 14, then enters the dust remover feed tube 11 through the adsorption tube 14, and enters the lower part of the screen inside the dust remover through the dust remover feed tube 11.

The suction pipe 14 may be a wire hose. As shown in fig. 2, a plurality of adsorption tubes 14 are respectively inserted into the tubes 15 in the dehydrogenation reactor 1, and then connected with the dust remover feeding tube through a header tube. The adsorption tubes are connected with a main pipe through a disc, and the main pipe is connected with a dust remover feeding pipe.

As the vacuum pump 9 is connected with the tube wall of the dust remover above the screen, in the dust remover 5, air is adsorbed above the screen from the lower part of the screen, then materials are continuously accumulated below the screen, in the adsorption process, heavier catalyst falls to the bottom of the dust remover 5, lighter materials are adsorbed on the screen, and the filter cloth 13 is arranged between the upper screen 3 and the lower screen 4, so that the materials are blocked, and the air is continuously pumped away. In the process, as the manhole of the upper end socket and the manhole of the lower end socket are opened, the lower manhole is connected with an axial flow fan to forcibly ventilate the dehydrogenation reactor so as to ensure the operation safety of personnel in a limited space and the continuous and efficient extraction of the catalyst.

The vacuum degree of the vacuum pump 9 can reach-70 KPa, the vacuum pump inlet stop valve 8 on the dust remover discharging pipe 12 connected with the dust remover by the vacuum pump 9 is opened, the discharging process of the catalyst can be started, the capability of the vacuum pump can completely pump out the catalyst, and the process of secondarily cleaning the tube array of the dehydrogenation reactor 1 is avoided. The air drawn by the vacuum pump is vented through vent 10.

When the materials below the screen of the dust remover 5 are stacked more, the vacuum pump 9 can be stopped, and the automatic discharge valve 6 on the discharge opening 7 is opened to discharge the materials.

The utility model discloses a solid catalyst adsorption equipment has realized the process of solid catalyst direct adsorption unloading, has avoided the dehydrogenation reactor to need carry on complicated and dangerous operation could carry out the technical defect of unloading.

The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A solid catalyst adsorption unit characterized in that: the device comprises a dehydrogenation reactor, a dust remover and a vacuum pump, wherein a screen is arranged in the dust remover, the dehydrogenation reactor is connected with the dust remover through a first connecting port, the first connecting port is positioned below the screen, the dust remover is connected with the vacuum pump through a second connecting port, the second connecting port is positioned above the screen, the dehydrogenation reactor is a tubular fixed bed reactor, a plurality of adsorption tubes in the dehydrogenation reactor are respectively connected with a dust remover inlet pipe, the adsorption tubes are inserted into the tubular fixed bed reactor, and the dust remover inlet pipe is connected with the dust remover.

2. The solid catalyst adsorption unit of claim 1, wherein: the upper and lower end sockets of the dehydrogenation reactor are provided with manholes, the inner diameter of a dehydrogenation reactor tube is DN40-45, and the outer diameter of a steel wire hose is DN 30-35.

3. The solid catalyst adsorption unit of claim 1, wherein: the dust remover is the tank structure of invering, and the bottom is the discharge gate, and discharge gate department sets up the discharge valve.

4. The solid catalyst adsorption unit of claim 1, wherein: an upper screen and a lower screen are arranged in the dust remover, and filter cloth is arranged between the upper screen and the lower screen.

5. The solid catalyst adsorption unit of claim 1, wherein: and a vacuum pump inlet stop valve is arranged on a pipeline for connecting the vacuum pump and the dust remover.

6. The solid catalyst adsorption unit of claim 1, wherein: the outlet of the vacuum pump is connected with the emptying pipe.