CN220648292U

CN220648292U - Prefabricated double-layer chimney with outer wall sliding socket structure

Info

Publication number: CN220648292U
Application number: CN202321463259.0U
Authority: CN
Inventors: 王泳; 胡金鹏
Original assignee: Suzhou Rainbow Environmental Equipment Co ltd
Current assignee: Suzhou Rainbow Environmental Equipment Co ltd
Priority date: 2023-06-09
Filing date: 2023-06-09
Publication date: 2024-03-22
Anticipated expiration: 2033-06-09

Abstract

The utility model discloses a prefabricated double-layer chimney with an outer wall sliding socket structure. The technical scheme of the utility model is as follows: the outer wall upper portion of inner tube is around inner tube circumference array welded connection has a plurality of to support the sliding support, and every shape that supports the sliding support is "several" child shape, and every supports the sliding support and all includes two connecting plates of being connected with inner tube outer wall, and curb plate is connected respectively to two connecting plates, is formed with upper and lower spout and is located the spacing bearing seat of upper and lower spout bottom between two curb plates, be provided with on the urceolus a plurality of with support the concave slider that the sliding support one-to-one set up, the concave slider can reciprocate in upper and lower spout and can with spacing bearing seat butt, the top of every urceolus is the mouth that contracts and the bottom is the mouth that expands that can overlap and establish on the urceolus mouth of below. The scheme provided by the utility model can avoid deformation and damage in the process of pipeline installation and butt joint and is convenient to install.

Description

Prefabricated double-layer chimney with outer wall sliding socket structure

Technical Field

The utility model relates to the technical field of chimney equipment, in particular to a prefabricated double-layer chimney with an outer wall sliding socket structure.

Background

In the prior art, in the process from production to installation, an inner cylinder body and an outer cylinder body are in a relatively fixed state, an inner cylinder body belongs to an anti-corrosion layer and is in direct contact with smoke, an outer cylinder body belongs to a protective layer and is in direct contact with air, the expansion amount of the smoke temperature on the inner cylinder body is large under the high temperature condition, particularly when the temperature is over 400 ℃, the expansion amount of the outer cylinder body is smaller than or equal to 60 ℃ due to the standard requirement, the expansion amount of the outer cylinder body is quite small relative to the expansion amount of the inner cylinder body under the temperature, and when the equipment runs, the inner cylinder body and the outer cylinder body are damaged in a dislocation manner, and the structure is a potential safety hazard. In addition, the prefabricated double-layer chimney structure in the prior art has the advantages that the operability of field installation is considered, a section is reserved in the middle of a pipeline, after the inner barrel section is connected with the section, the notch of the outer wall is repaired independently, the section length of the existing prefabricated double-layer chimney is 1200mm, the installation mode has 2 circular seams on the section length, the installation process is complex, and the overall performance and the attractiveness of the product are greatly influenced.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model mainly aims to provide the prefabricated double-layer chimney with the outer wall sliding socket structure, which can avoid deformation and damage in the process of pipeline installation and butt joint and is convenient to install.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a prefabricated double-deck chimney with outer wall slip socket joint structure, includes the inner tube group and with inner tube group complex urceolus group, the inner tube group includes a plurality of inner tube that stacks the setting from top to bottom, the urceolus group includes a plurality of urceolus that stacks the setting from top to bottom, the outer wall upper portion of inner tube is around inner tube circumference array welded connection has a plurality of to support the sliding support, every support the shape of sliding support is "several" child shape, every support the sliding support all include two connecting plates with inner tube outer wall connection, the curb plate is connected respectively to two connecting plates, is formed with upper and lower spout and is located the spacing bearing seat of upper and lower spout bottom between two curb plates, be provided with a plurality of on the urceolus with support the spill slider that the sliding support one-to-one set up, the spill slider can reciprocate in the upper and lower spout and can with spacing bearing seat butt, every the top of urceolus is the mouth that contracts and the bottom is the mouth that contracts of the section of a thick bamboo that can overlap and establish in the below.

Preferably, each side plate is provided with a plurality of reinforcing ribs.

Preferably, a limiting pressing rib is respectively arranged below the shrinkage part and above the expansion part.

Preferably, the lower part of the inner cylinder is circumferentially provided with a plurality of inner and outer cylinder supporting legs.

Preferably, the support sliding bracket is integrally formed.

Compared with the prior art, the utility model has the advantages that the supporting sliding support is matched with the concave sliding block of the chimney, the installation size needs to ensure that the concave sliding block of the chimney can freely slide in the upper slideway and the lower slideway of the supporting sliding support, and the inner cylinder and the outer cylinder can independently stretch and retract when the expansion amount is different, so that the mutual influence is avoided. And at least three groups of mechanisms for supporting the sliding support and matching with the concave sliding block are ensured between the inner cylinder and the outer cylinder. When the chimney is installed, the outer cylinder of the upper section of chimney is pushed to the topmost end through the supporting sliding support, so that a butt joint space for connecting the inner cylinder is reserved in the middle of the 2 sections of pipelines, an insulating layer between the inner cylinder and the outer cylinder is prepared after the inner cylinder is installed, the outer cylinder of the upper section of chimney is slowly dropped down, and the lower end expansion part of the upper section of chimney and the upper end necking part of the lower section of chimney are ensured to be connected together through socket joint until the limit rib pressing part of the lower section of chimney, so that the integral installation of the pipelines can be completed.

This scheme makes things convenient for engineering installation, can avoid deformation and destruction at the pipeline installation butt joint in-process, can examine sealed pad more directly perceivedly, guarantees sealing performance and the performance of pipeline, and this structure is applicable no matter positive pressure, negative pressure pipeline homoenergetic.

Drawings

FIG. 1 is a schematic diagram of a prefabricated double-deck chimney with an outer wall sliding socket structure according to the present utility model;

fig. 2 is a schematic structural view of the upper outer cylinder after sliding upward relative to the support sliding bracket;

FIG. 3 is a schematic view of the structure with the upper outer cylinder omitted;

FIG. 4 is a schematic structural view of the outer tub;

FIG. 5 is a schematic view of a structure of a support sliding bracket;

FIG. 6 is a cross-sectional view of a prefabricated double-deck chimney having an outer wall sliding socket structure;

fig. 7 is a schematic diagram II of a prefabricated double-deck chimney with an outer wall sliding socket structure.

In the figure: 1. an outer cylinder; 2. an inner cylinder; 3. a support sliding bracket; 4. a connecting plate; 5. a side plate; 6. an upper chute and a lower chute; 7. a limit bearing seat; 8. a concave slider; 9. a pinch portion; 10. an expanding part; 11. reinforcing ribs; 12. limiting and pressing ribs; 13. an inner cylinder support leg and an outer cylinder support leg.

Detailed Description

The utility model is further described below with reference to the accompanying drawings.

As shown in fig. 1, a prefabricated double-deck chimney with outer wall slip socket joint structure, including inner tube 2 group and with inner tube 2 group complex urceolus 1 group, inner tube 2 group includes a plurality of inner tube 2 of upper and lower stack setting, urceolus 1 group includes a plurality of urceolus 1 of upper and lower stack setting, the outer wall upper portion of inner tube 2 is around inner tube 2 circumference array welded connection has a plurality of support sliding bracket 3, every support sliding bracket 3's shape is "several" sub-shape, every support sliding bracket 3 all includes two connecting plates 4 with inner tube 2 outer wall connection, curb plate 5 is connected respectively to two connecting plates 4, is formed with upper and lower spout 6 and is located spacing bearing seat 7 of upper and lower spout 6 bottom between two curb plates 5, be provided with a plurality of with support sliding bracket 3 one-to-one concave slider 8 that sets up, concave slider 8 can reciprocate in upper and lower spout 6 and can with spacing bearing seat 7 butt, every the top of urceolus 1 is the expansion joint portion 9 and the bottom is the expansion portion 10 that can be set up below for the outer tube 1.

Referring to fig. 3 and 5, preferably, a plurality of reinforcing ribs 11 are provided on each of the side plates 5.

Referring to fig. 4, preferably, a limiting bead 12 is disposed below the necking portion 9 and above the expanding portion 10.

Referring to fig. 6, preferably, the lower portion of the inner cylinder 2 is circumferentially provided with a plurality of inner and outer cylinder legs 13. The inner and outer cylinder legs 13 serve as auxiliary supports, so that the inner cylinder 2 and the outer cylinder 1 can be more stable.

Preferably, the support sliding bracket 3 is integrally formed.

The utility model provides a prefabricated double-deck chimney with outer wall slip socket joint structure, support sliding support 3 and fix on the outer wall of chimney inner tube 2, support sliding support 3 contains upper and lower slide, connecting plate 4 and curb plate 5, wherein is provided with strengthening rib 11 on the curb plate 5 and is used for improving structural strength. The concave slide 8 of the chimney is arranged on the wall of the outer cylinder 1 of the chimney, and can be manufactured by a stamping forming mode for a thin plate structure. The top and the bottom of the chimney outer cylinder 1 are respectively manufactured into a shrinking part 9 and an expanding part 10, so that in the actual installation process, the upper section and the lower section are subjected to socket installation.

Referring to fig. 2 and 7, the support sliding bracket 3 is matched with the concave sliding block 8 of the chimney, the installation size needs to ensure that the concave sliding block 8 of the chimney can freely slide in the upper slideway and the lower slideway of the support sliding bracket 3, and the inner cylinder 2 and the outer cylinder 1 can independently stretch and retract when expansion amounts are different, so that mutual influence can not be generated. And at least three groups of mechanisms for supporting the matching of the sliding bracket 3 and the concave sliding block 8 are ensured between the inner cylinder 2 and the outer cylinder 1. Referring to fig. 2 and 3, when in installation, the outer cylinder 1 of the previous section of chimney is pushed to the topmost end through the support sliding bracket 3, so that a butt joint space for connecting the inner cylinder 2 is reserved in the middle of the 2 sections of pipelines, after the inner cylinder 2 is installed, an insulating layer between the inner cylinder 1 and the outer cylinder 1 is prepared, the outer cylinder 1 of the previous section of chimney is slowly dropped down, and the lower end expansion part 10 of the previous section of chimney and the upper end necking part 9 of the next section of chimney are ensured to be spliced together until the position of the limiting press bar 12 of the next section, so that the integral installation of the pipelines can be completed.

The above description is only a preferred embodiment of the present utility model, and the protection scope of the present utility model is not limited to the above examples, and all technical solutions belonging to the concept of the present utility model belong to the protection scope of the present utility model. It should be noted that modifications and adaptations to the present utility model may occur to one skilled in the art without departing from the principles of the present utility model and are intended to be within the scope of the present utility model.

Claims

1. The utility model provides a prefabricated double-deck chimney with outer wall slip socket joint structure, includes the inner tube group and with inner tube group complex urceolus group, the inner tube group includes a plurality of inner tube that stacks the setting from top to bottom, the urceolus group includes a plurality of urceolus that stacks the setting from top to bottom, its characterized in that: the outer wall upper portion of inner tube is around inner tube circumference array welded connection has a plurality of to support the sliding support, every the shape of supporting the sliding support is "several" child shape, every support the sliding support all include two connecting plates of being connected with the inner tube outer wall, the curb plate is connected respectively to two connecting plates, is formed with upper and lower spout and is located the spacing bearing seat of upper and lower spout bottom between two curb plates, be provided with on the urceolus a plurality of with the spill slider that supports the sliding support one-to-one setting, the spill slider can reciprocate in the upper and lower spout and can with spacing bearing seat butt, every the top of urceolus is the throat portion and the bottom is the expansion portion that can overlap to establish on the urceolus throat portion of below.

2. A prefabricated double layer chimney with an outer wall sliding socket structure according to claim 1, characterized in that: each side plate is provided with a plurality of reinforcing ribs.

3. A prefabricated double layer chimney with an outer wall sliding socket structure according to claim 1, characterized in that: limiting press bars are respectively arranged below the shrinkage part and above the expansion part.

4. A prefabricated double layer chimney with an outer wall sliding socket structure according to claim 1, characterized in that: the lower part circumference of inner tube is provided with a plurality of inner and outer section of thick bamboo stabilizer blades.

5. A prefabricated double layer chimney with an outer wall sliding socket structure according to claim 1, characterized in that: the support sliding bracket is integrally formed.