CN216868502U

CN216868502U - Novel connection structure of economizer collection case

Info

Publication number: CN216868502U
Application number: CN202123406000.6U
Authority: CN
Inventors: 于宁; 顾德锋; 蒋柏; 张涛; 张敏丽; 胡梦竹
Original assignee: MHPS Dongfang Boiler Co Ltd
Current assignee: MHPS Dongfang Boiler Co Ltd
Priority date: 2021-12-30
Filing date: 2021-12-30
Publication date: 2022-07-01
Anticipated expiration: 2031-12-30

Abstract

The utility model discloses a novel connection structure of an economizer header, which relates to the technical field of boiler equipment and comprises two groups of economizer upper headers, wherein an economizer connecting pipe and an ear plate are installed at the top of each economizer upper header, and a partition plate is arranged inside each economizer upper header.

Description

Novel connection structure of economizer collection case

Technical Field

The utility model relates to the technical field of boiler equipment, in particular to a novel connection structure of an economizer header.

Background

In the existing horizontal waste incineration waste heat boiler, a coal economizer positioned in a fourth flue plays roles in recovering waste heat of exhaust smoke and reducing the temperature of the exhaust smoke. The economizer tube bundle has two modes of coil tube arrangement and module arrangement. The coal economizer adopting a module structure is arranged in a header structure at the upper part and the lower part. The header and the tube bundle are assembled at the factory to form a module.

The width of the fourth flue determines the total length of the header, and due to the transportation size limitation of the economizer, the header has to be divided into two or more headers, and end covers are welded at the ends of the header (as shown in fig. 1), so that the workload of design, manufacture, welding and the like is greatly increased.

SUMMERY OF THE UTILITY MODEL

Based on the technical problem, the utility model aims to provide a novel connecting structure of an economizer header, so as to solve the technical problem of high cost and workload.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a novel connection structure of economizer collection case, collection case on including two sets of economizers, economizer connecting pipe and otic placode are installed at the top of collection case on the economizer, and is a set of the inside of collection case is provided with the baffle on the economizer.

Furthermore, the partition plate is fixed on one side of the inner part of the upper header of the economizer in a welding mode.

By adopting the technical scheme, the modules on two sides are separated by the partition plate.

Furthermore, one end of the upper header of the two groups of coal economizers is fixed by welding.

By adopting the technical scheme, two separated small modules can be spliced into a larger module.

Furthermore, the bent pipes are provided with two groups, and the two groups of bent pipes are respectively fixed on one side of the bottom of the upper header of the two groups of coal economizers.

By adopting the technical scheme, the novel structure only needs one bent pipe wound by each header, so that the design cost, the manufacturing cost of the pipes, the assembly cost and the like are greatly saved.

Furthermore, the baffle is circular, the diameter of the baffle is equal to the inner diameter of the upper header of the economizer, and the thickness of the baffle is 10 mm.

Through adopting above-mentioned technical scheme for baffle and economizer header internally mounted are inseparabler, have improved the laminating nature.

In summary, the utility model mainly has the following beneficial effects: the utility model changes the place where the collecting box needs to be disconnected on the original two coal economizers into two collecting box cylinder bodies for splicing, designs a clapboard in the single-side collecting box for welding in a collecting box cylinder body, then the two collecting box cylinder bodies are butt-welded, thus the clapboard is used for separating two side modules, and the two separated small modules can be spliced into a larger module, when the width of the large module transportation size exceeds the maximum transportable size, the two small modules can be separated to meet the transportation size, thereby greatly reducing the transportation cost Manufacturing costs, assembly costs, etc. of the tubes; the utility model reduces the types of bent pipes, headers and pipe screens during design and manufacture, replaces two end covers with one partition plate, reduces the purchasing and shooting cost, can reduce the transportation size and saves the transportation cost.

Drawings

FIG. 1 is a schematic view of the butt joint structure of an upper header of an original economizer;

FIG. 2 is a schematic view of the docking structure of the upper header of the economizer of the present invention;

FIG. 3 is a schematic view of the baffle structure of the economizer header of the present invention;

fig. 4 is a schematic cross-sectional view of the separator of the present invention.

In the figure: 1. an upper collection box of the coal economizer; 2. an economizer connecting pipe; 3. an ear plate; 4. a partition plate; 5. and (5) bending the pipe.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention, and are not to be construed as limiting the present invention.

The following describes an embodiment of the present invention based on its overall structure.

A novel connection structure of an economizer header is shown in figures 1-4 and comprises two groups of economizers, wherein an economizer connecting pipe 2 and an ear plate 3 are installed at the top of the economizer header 1, a baffle 4 is arranged inside the economizer header 1, the baffle 4 is fixed on one side of the economizer header 1 in a welding mode, so that modules on two sides are separated by the baffle 4, one end of the two groups of economizers, which is connected with the header 1, is fixed by welding, and two small separated modules can be spliced into a larger module.

Referring to fig. 2, two groups of bent pipes 5 are arranged, the two groups of bent pipes 5 are respectively fixed at one side of the bottom of the two groups of coal economizer upper headers 1, and only one bent pipe 5 needs to be wound around each header in the new structure, so that the design cost, the manufacturing cost of the pipes, the assembly cost and the like are greatly saved.

Referring to fig. 2, 3 and 4, the partition plate 4 is circular, the diameter of the partition plate 4 is equal to the inner diameter of the upper header 1 of the economizer, and the thickness of the partition plate 4 is 10mm, so that the partition plate 4 and the upper header 1 of the economizer are installed more tightly, and the fitting property is improved.

The implementation principle of the embodiment is as follows: when using, on two economizers originally the place that collection case 1 needs the disconnection, change into two collection case stack shells concatenation, and at baffle of unilateral collection incasement internal design, the welding is in a collection case stack shell, then two collection case stack shells are butt weld again, both utilized baffle 4 to separate the both sides module like this, can splice two detached little modules into a bigger module again, when the width of big module transportation size surpassed transportable maximum dimension, can also break off and fall into two little modules, satisfy the transportation size, thereby the cost of transportation significantly reduces.

Although embodiments of the present invention have been shown and described, the present embodiments are merely illustrative of the present invention and are not intended to limit the present invention, and the described specific features, structures, materials or characteristics may be combined in any suitable manner in any one or more embodiments or examples, and those skilled in the art can make modifications, substitutions, variations, etc. of the embodiments as required without departing from the principle and spirit of the present invention, but within the scope of the claims of the present invention.

Claims

1. The utility model provides a novel connection structure of economizer collection case, collection case (1) on two sets of economizers, its characterized in that: economizer connecting pipe (2) and otic placode (3) are installed at the top of collection case (1) on the economizer, and is a set of the inside of collection case (1) is provided with baffle (4) on the economizer, and return bend (5) all are fixed with in the bottom of collection case (1) on two sets of economizers.

2. The novel connection structure of an economizer header as claimed in claim 1, wherein: the partition plate (4) is fixed on one side of the inner portion of the upper header (1) of the economizer in a welding mode.

3. The novel connection structure of an economizer header as claimed in claim 1, wherein: one end of each of the two groups of economizer upper header (1) is fixed by welding.

4. The novel connection structure of an economizer header as claimed in claim 1, wherein: the two groups of bent pipes (5) are arranged, and the two groups of bent pipes (5) are respectively fixed on one side of the bottom of the upper collection boxes (1) of the two groups of coal economizers.

5. The novel connection structure of an economizer header as claimed in claim 1, wherein: the baffle (4) are circular, the diameter of the baffle (4) is equal to the inner diameter of the upper header (1) of the economizer, and the thickness of the baffle (4) is 10 mm.