CN217154186U

CN217154186U - Waste incineration exhaust-heat boiler header

Info

Publication number: CN217154186U
Application number: CN202220638960.0U
Authority: CN
Inventors: 祁俊
Original assignee: Zhangjiagang Huayi Special Equipment Co ltd
Current assignee: Zhangjiagang Huayi Special Equipment Co ltd
Priority date: 2022-03-23
Filing date: 2022-03-23
Publication date: 2022-08-09
Anticipated expiration: 2032-03-23

Abstract

The utility model discloses a msw incineration exhaust-heat boiler collection box belongs to exhaust-heat boiler technical field, including the collection box trunk line, still include inclination branch pipe subassembly and right angle branch pipe, inclination branch pipe subassembly includes a plurality of inclination pipes, inclination pipe circumference lays on the collection box trunk line, with the collection box trunk line is linked together, and follows the axis direction array of collection box trunk line is laid, and is a plurality of right angle branch pipe lays on the collection box trunk line along collection box trunk line axis direction array, right angle branch pipe perpendicular assembly just is linked together with the collection box trunk line on the collection box trunk line, the utility model discloses a plurality of inclination branch pipe subassemblies that slope laid on the collection box trunk line and lay a plurality of right angle branch pipes on the collection box trunk line perpendicularly can carry out automatic mixing to the steam-water mixture to make the temperature of its mixture more average.

Description

Waste incineration exhaust-heat boiler header

Technical Field

The utility model belongs to the technical field of exhaust-heat boiler, specifically relate to a msw incineration exhaust-heat boiler collection case.

Background

Drum boilers are gradually developed into tube boilers to increase heat transfer area and thus boiler efficiency, boiler water flows from a drum through a downcomer into a lower box, is distributed by the box to tube bundles, water in the tube bundles continuously absorbs heat energy, is collected in an upper box and then flows back into the drum, and upper and lower boxes are called headers or headers and are important components of the boiler.

When the existing header is used for conveying heated steam-water mixture, because liquid phase and gas phase are concentrated in a pipeline, layering is easy to generate, and because the temperature of the steam-water mixture input into the header by each branch pipe is different, the temperature of the steam-water mixture output by the conventional header is uneven, the thermal stress of a steam drum of the waste heat boiler is caused, and the service life of the waste heat boiler is influenced.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model provides an aim at provides a waste incineration exhaust-heat boiler collection case to solve the problem in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a msw incineration exhaust-heat boiler collection case, includes the collection case trunk line, msw incineration exhaust-heat boiler collection case still includes:

the inclination angle branch pipe assembly comprises a plurality of inclination angle pipes, and the inclination angle pipes are circumferentially distributed on the main header pipe, are communicated with the main header pipe and are distributed in an array along the axis direction of the main header pipe; and

the right angle branch pipe, it is a plurality of the right angle branch pipe is laid on the header trunk line along header trunk line axis direction array, the right angle branch pipe assembles perpendicularly on the header trunk line and is linked together with the header trunk line.

As a further aspect of the present invention, the dip angle branch pipe assembly and the right angle branch pipe are disposed at an interval on the header main pipe.

As a further aspect of the present invention, the dip branch pipe assembly further includes a connector and an inner notch, the inner notch is disposed between the dip pipe and the header main pipe line, and with the dip pipe is coaxially disposed, the connector is disposed on one side of the end of the dip pipe.

As a further aspect of the present invention, the inclination angle α of the inclination pipe and the header main pipe in the horizontal direction is 30 ° to 60 °.

As a further aspect of the present invention, the dip angle pipe and the dip angle β of the header main pipe in the vertical direction are 0 ° to 45 °.

To sum up, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

the utility model discloses a plurality of inclination branch pipe subassemblies on the header trunk line are laid to the slope and a plurality of right angle branch pipes on the header trunk line are laid perpendicularly, can carry out automatic mixing to the steam-water mixture to make the temperature of its mixture more average.

Drawings

Fig. 1 is a schematic structural diagram of a waste incineration exhaust-heat boiler header provided in an embodiment of the present invention.

Fig. 2 is a schematic view of a top view structure of a waste incineration exhaust heat boiler header provided in an embodiment of the present invention.

Fig. 3 is a schematic side view of a waste incineration exhaust heat boiler header provided in an embodiment of the present invention.

Fig. 4 is a schematic view of a half-section structure of a waste incineration exhaust-heat boiler header provided in an embodiment of the present invention.

Reference numerals: 1-header main pipe, 2-dip angle branch pipe component, 201-dip angle pipe, 202-connector, 203-inner notch and 3-right angle branch pipe.

Detailed Description

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-4, the utility model discloses a waste incineration exhaust-heat boiler collection case in an embodiment, including collection case trunk line 1, waste incineration exhaust-heat boiler collection case still includes: the inclined angle branch pipe assembly 2 comprises a plurality of inclined angle pipes 201, and the inclined angle pipes 201 are circumferentially distributed on the main header pipe 1, are communicated with the main header pipe 1 and are distributed in an array along the axial direction of the main header pipe 1; the right-angle branch pipes 3 are distributed on the main header pipe 1 in an array mode along the axis direction of the main header pipe 1, the right-angle branch pipes 3 are perpendicularly assembled on the main header pipe 1 and are communicated with the main header pipe 1, the inclination angles alpha of the inclination angle pipes 201 and the main header pipe 1 in the horizontal direction are 30-60 degrees, and the inclination angles beta of the inclination angle pipes 201 and the main header pipe 1 in the vertical direction are 0-45 degrees.

In practical application of the present embodiment, when the steam-water mixture of the waste heat boiler is concentrated by the device, the plurality of inclined pipes 201 and the right-angle branch pipes 3 are connected to the steam-water output pipeline, when the mixed steam-water is output to the main header pipe 1 through the inclined pipes 201, because the inclined angles α of the inclined pipes 201 and the main header pipe 1 in the horizontal direction are 30 to 60 °, the inclined angles β of the inclined pipes 201 and the main header pipe 1 in the vertical direction are 0 to 45 °, and the plurality of inclined pipes 201 are circumferentially arranged on the main header pipe 1 in an array manner, so that the steam-water mixture output to the main header pipe 1 through the inclined pipes 201 forms a stirring vortex in the inner pipe wall of the main header pipe 1, and the steam-water mixture input to the main header pipe 1 through the plurality of inclined pipes 201 and the right-angle branch pipes 3 is fully stirred so as to make the temperature of the mixture more uniform, and because right angle branch pipe 3 is laid perpendicularly on header trunk line 1, when the steam-water mixture exports to header trunk line 1 via right angle branch pipe 3 in, can play the effect of scattering to the vortex, make the vortex be stirred in disorder to because the interval of dip pipe 201 and right angle branch pipe 3 is laid on header trunk line 1, consequently can constitute the effect of multistage mixed flow and stirring, thereby improve the mixed effect of steam-water mixture, avoid its temperature inequality, be favorable to the operating efficiency of waste heat boiler steam pocket.

As shown in fig. 1, in a preferred embodiment of the present invention, the dip leg assembly 2 and the right angle leg 3 are arranged on the main header pipe 1 at intervals.

This embodiment is when actual application, because inclination

branch pipe assembly

2 and 3 intervals of right angle branch pipe are laid on header main pipe 1 for via the mixed flow effect that inclination pipe 201 constitutes, with the churning effect that right angle branch pipe 3 constitutes overlaps each other, thereby constitutes the continuous mixed flow of multistage and churning, can effectively be with inputing the abundant mixing of steam-water mixture in header main pipe 1.

As shown in fig. 1, in a preferred embodiment of the present invention, the dip pipe assembly 2 further includes a connector 202 and an inner notch 203, the inner notch 203 is disposed between the dip pipe 201 and the header main pipe 1, and is coaxial with the dip pipe 201, and the connector 202 is disposed on one side of the end of the dip pipe 201.

In practical application, the pipe joint 202 and the right-angle branch pipe 3 can be connected with a pipe head of a steam-water pipeline, and the steam-water mixture is output to the header main pipeline 1 along an inclined direction through the inclined pipe 201 and the inner notch 203, so that a gas phase and a liquid phase in the mixture are fully mixed.

The utility model provides an in the above embodiment, a msw incineration exhaust-heat boiler collection case is provided to lay a plurality of inclination branch pipe subassemblies 2 on collection case trunk line 1 and lay a plurality of right angle branch pipes 3 on collection case trunk line 1 perpendicularly through the slope, can carry out automatic mixing to the steam-water mixture, so that the temperature of its mixture is more average.

In the description of the present invention, it is to be understood that the terms "upper", "one side", "inside", and the like refer to the orientation or positional relationship shown in the drawings, which is only for convenience of description and simplicity of description, and do not indicate or imply that the waste incineration waste heat boiler header or component referred to must have a specific orientation, be constructed and operated in a specific orientation, and that unless otherwise explicitly specified or limited, the terms "disposed", "mounted", "connected", and "connected" are to be construed broadly, e.g., as being fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; the term "connected" refers to a connection between two elements or an interaction between two elements, and unless otherwise specifically defined, the term is used in the present invention to refer to the specific meaning of the term in the present invention.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a msw incineration exhaust-heat boiler collection case, includes the collection case trunk line, its characterized in that, msw incineration exhaust-heat boiler collection case still includes:

2. The waste incineration waste heat boiler header according to claim 1, wherein the dip angle branch pipe assembly and the right angle branch pipe are arranged on the header main pipe at intervals.

3. The waste incineration waste heat boiler header according to claim 1, wherein the dip angle branch pipe assembly further comprises a connector and an inner notch, the inner notch is arranged between the dip angle pipe and the header main pipe and is coaxial with the dip angle pipe, and the connector is arranged on one side of the tail end of the dip angle pipe.

4. The waste incineration waste heat boiler header according to claim 1, wherein the inclination angle α of the inclined tube and the header main pipe in the horizontal direction is 30 ° to 60 °.

5. The waste incineration waste heat boiler header according to claim 1, wherein the inclination angle β between the inclined tube and the header main pipe in the vertical direction is 0 ° to 45 °.