CN211600015U

CN211600015U - Skirt support device for novel reactor

Info

Publication number: CN211600015U
Application number: CN202020158260.2U
Authority: CN
Inventors: 庄玉萍; 陆征
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-02-10
Filing date: 2020-02-10
Publication date: 2020-09-29
Anticipated expiration: 2030-02-10

Abstract

The utility model discloses a skirt support device for a novel reactor, which belongs to the technical field of pressure vessels and comprises a bottom plate, a skirt cone with the lower end fixed on the bottom plate and a skirt reinforcing ring welded and fixed at the upper end of the skirt cone, wherein, the skirt cone and the skirt reinforcing ring are connected by butt welding seams, namely, the skirt support device of the embodiment of the utility model adopts the structure that the skirt reinforcing ring and the skirt cone are connected with an equipment shell, thereby improving the stability of equipment adopting a middle skirt support device, realizing the full-penetration butt joint connection mode of the skirt and the equipment, enhancing the stability of the equipment in the operation process, meeting the harsh load condition of a large-scale reactor, adapting to the large-scale reactor with large diameter, large weight, harsh operation conditions, large influence of natural factors and the like, ensuring the safe and reliable operation of the equipment and reasonable structural design, the manufacturing scheme is easy to implement, and the later-period overhaul and maintenance cost is lower.

Description

Skirt support device for novel reactor

Technical Field

The utility model relates to a pressure vessel technical field especially relates to a skirt support for novel reactor device.

Background

According to the requirements of the process flow, when certain process flows are realized, the large vertical reactor needs to arrange the equipment skirt at the middle part of the shell, so that the normal process operation flow of the reactor is realized, the connection requirements of a pipe opening and a pipeline are met, the normal contact between a catalyst and a reaction material is ensured, the reaction is smoothly carried out, and an ideal product is obtained.

At present, most reactors are supported at the lower end socket of equipment by skirt bases and are connected with the lower end socket by butt welding seams so as to ensure that the skirt bases of the reactors support the requirements when the operating condition and the hydraulic test condition are met. Or the skirt is supported in the middle of the equipment shell, and the skirt is connected with the shell through butt welding to meet the connection requirement of the skirt and the equipment, but the fillet welding can not realize full penetration, has poor stress, is unsafe for a large-scale reactor, and can not meet the design requirement sometimes.

Disclosure of Invention

The utility model provides a skirt strutting arrangement for novel reactor can satisfy the harsh load condition of large-scale reactor, adapts to large-scale reactor equipment diameter big, the weight is big, operating condition is harsh and natural factor influences greatly etc. guarantees equipment operation safe and reliable to its structural design is reasonable, manufacturing scheme easy to carry out, and later stage is overhauld and the maintenance cost is also lower.

The utility model provides a specific technical scheme as follows:

the utility model provides a pair of a skirt strutting arrangement for novel reactor includes that bottom plate, lower extreme are fixed skirt cone, welded fastening on the bottom plate are in the skirt reinforcing ring of skirt cone upper end, wherein, the skirt cone with adopt butt weld to connect between the skirt reinforcing ring, the skirt reinforcing ring be used for with reactor shell welded fastening.

Optionally, evenly be provided with a plurality of bleeder vents on the circumferencial direction of skirt reinforcing ring, the skirt reinforcing ring includes interconnect's first circle body and second circle body, wherein, the second circle body is located the inside of skirt cone, the upper end butt of skirt cone is in first circle body with the junction of second circle body.

Optionally, an included angle between the skirt cone and the bottom plate is 60 degrees, the skirt cone and the skirt reinforcing ring are connected through a full-penetration butt weld, and the joint of the skirt cone and the skirt reinforcing ring is polished to be in smooth transition after welding.

Optionally, the bleeder vent is for following 4 that evenly set up on the circumferencial direction of skirt reinforcing ring, just the bleeder vent is located the half height department of first round body.

The utility model has the advantages as follows:

the skirt support device for the novel reactor comprises a bottom plate, a skirt cone body with the lower end fixed on the bottom plate, and a skirt reinforcing ring welded and fixed at the upper end of the skirt cone body, wherein the skirt cone body and the skirt reinforcing ring are connected by a butt welding seam, and the skirt reinforcing ring is welded and fixed with a reactor shell, namely the skirt support device provided by the embodiment of the utility model adopts a structure that the skirt reinforcing ring and the skirt cone body are connected with an equipment shell, so that the stability of the equipment adopting the middle skirt support device is improved, the full-penetration butt joint connection mode of the skirt and the equipment can be realized, the stability of the equipment in the operation process is enhanced, the harsh load condition of the large-scale reactor can be met, the device is suitable for the conditions of large diameter, large weight, harsh operation conditions, large influence of natural factors and the like of the large-scale reactor, and the safe and reliable operation of the equipment is ensured, and its structural design is reasonable, and the manufacturing scheme is easy to carry out, and later stage is overhauld and the maintenance cost is also lower.

Drawings

Fig. 1 is a schematic front view of a skirt support device for a novel reactor according to an embodiment of the present invention;

fig. 2 is a schematic partial enlarged structural view of a portion I in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic structural view of a skirt reinforcing ring according to an embodiment of the present invention;

fig. 4 is a schematic structural view of a skirt cone according to an embodiment of the present invention.

Detailed Description

A skirt support device for a novel reactor according to an embodiment of the present invention will be described in detail with reference to fig. 1 to 4.

Referring to fig. 1, fig. 2 and fig. 3, the embodiment of the present invention provides a skirt support device for a novel reactor, including a bottom plate 1, a skirt cone 2 whose lower end is fixed on the bottom plate 1, a skirt reinforcing ring 3 which is welded and fixed on the upper end of the skirt cone 2, wherein, the skirt cone 2 and the skirt reinforcing ring 3 are connected by a butt weld, and the skirt reinforcing ring 3 is used for being welded and fixed with a reactor shell 4, that is, the skirt reinforcing ring 3 is welded and fixed on the outer wall of the reactor shell 4.

Referring to fig. 1, 2 and 3, the skirt reinforcing ring 3 of the skirt support device according to the embodiment of the present invention has a plurality of air holes 5 uniformly arranged in the circumferential direction, and the skirt reinforcing ring 3 includes a first ring 301 and a second ring 302 connected to each other, wherein the second ring 302 is located inside the skirt cone 2, and the upper end of the skirt cone 2 abuts against the joint of the first ring 301 and the second ring 302. Preferably, the inner diameters of the first ring body 301 and the second ring body 302 are the same, the outer diameter of the first ring body 301 is larger than the outer diameter of the second ring body 302, and the first ring body and the second ring body are integrally formed.

Referring to fig. 1, 2 and 4, an included angle between the skirt cone 2 and the bottom plate 1 is 60 degrees, the skirt cone 2 and the skirt reinforcing ring 3 are connected by a full-penetration butt weld, and the joint of the skirt cone 2 and the skirt reinforcing ring 3 is ground to be in smooth transition after being welded. Referring to fig. 1 and 3, the number of the vent holes 5 is 4 uniformly arranged along the circumferential direction of the skirt reinforcing ring 3, and the vent holes 5 are located at a half height of the first ring body 301.

The embodiment of the utility model provides a pair of a skirt reinforcing ring inner wall and the laminating of equipment casing outer wall for a skirt strutting arrangement of novel reactor closely, the welding is firm, drills through's bleeder vent on the skirt reinforcing ring, along the circumferencial direction equipartition of skirt reinforcing ring. The embodiment of the utility model provides a pair of skirt strutting arrangement for novel reactor adopts the toper skirt, and the upper portion and the skirt reinforcing ring of toper skirt adopt to weld completely through butt weld to be connected, and the welding finishes the back and requires to carry out 100% UT and detect, according to the regulation of NB/T47013.3-2015, I level is qualified to carry out 100% MT and detect, according to the regulation of NB/T47013.4-2015, I level is qualified.

When the large-scale reactor is supported by the skirt support device provided by the embodiment of the utility model, the connecting weld joint of the skirt and the shell has good stress strength, and can bear the strength calculation requirements of all loads such as wind load, earthquake load, equipment dead weight, material quality, pipeline load, eccentric concentrated load and the like; the problem that the stress caused by the adoption of the fillet weld joint cannot meet the strength design requirement when the reactor shell is supported by the middle skirt is solved. The utility model discloses a skirt strutting arrangement mainly comprises skirt reinforcing ring and skirt cone, has improved the intensity of skirt and equipment casing joint weld, can be used for the reactor that weight is great, and need adopt middle skirt to support, has strengthened the stability of equipment operation in-process.

It is apparent that those skilled in the art can make various changes and modifications to the embodiments of the present invention without departing from the spirit and scope of the embodiments of the present invention. Thus, if such modifications and variations of the embodiments of the present invention fall within the scope of the claims and their equivalents, the present invention is also intended to include such modifications and variations.

Claims

1. The utility model provides a skirt strutting arrangement for novel reactor, its characterized in that, skirt strutting arrangement includes that bottom plate, lower extreme are fixed skirt cone, welded fastening on the bottom plate are in the skirt reinforcing ring of skirt cone upper end, wherein, the skirt cone with adopt butt weld to connect between the skirt reinforcing ring, the skirt reinforcing ring be used for with reactor shell welded fastening.

2. The skirt support device according to claim 1, wherein a plurality of air holes are uniformly formed in the circumferential direction of the skirt reinforcing ring, and the skirt reinforcing ring comprises a first ring body and a second ring body which are connected with each other, wherein the second ring body is located inside the skirt cone, and the upper end of the skirt cone abuts against the joint of the first ring body and the second ring body.

3. The skirt support device according to claim 2, wherein the skirt cone forms an angle of 60 ° with the bottom plate, the skirt cone and the skirt reinforcing ring are connected by a full penetration butt weld, and the joint of the skirt cone and the skirt reinforcing ring is ground to smooth transition after welding.

4. The skirt support device according to claim 2 or 3, wherein the number of the vent holes is 4 uniformly arranged in a circumferential direction of the skirt reinforcing ring, and the vent holes are located at a half height of the first ring body.