CN218993429U - Fire grate water-cooled wall device of biomass boiler - Google Patents
Fire grate water-cooled wall device of biomass boiler Download PDFInfo
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- CN218993429U CN218993429U CN202221821314.4U CN202221821314U CN218993429U CN 218993429 U CN218993429 U CN 218993429U CN 202221821314 U CN202221821314 U CN 202221821314U CN 218993429 U CN218993429 U CN 218993429U
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Abstract
The utility model discloses a fire grate water-cooled wall device of a biomass boiler, which relates to the technical field of biomass boilers and comprises a fire grate main inlet header, a fire grate auxiliary inlet header, a fire grate outlet header and a fire grate; the main inlet header of the fire grate is connected with the outlet header of the fire grate through a pipeline, the outlet header of the fire grate is also connected with the auxiliary inlet header of the fire grate, and the fire grate is arranged between the auxiliary inlet header of the fire grate and the outlet header of the fire grate. The utility model has simple installation and long service life, can fully burn the fuel after buffering, can not lead a pile of fuel to fall into the hearth, and improves the combustion efficiency of the boiler.
Description
Technical Field
The utility model relates to the technical field of biomass boilers, in particular to a fire grate water-cooled wall device of a biomass boiler.
Background
Biomass boilers are a kind of boilers, and boilers using biomass energy as fuel are called biomass boilers and are classified into biomass steam boilers, biomass hot water boilers, biomass hot blast stoves, biomass heat conduction oil boilers, vertical biomass boilers and horizontal biomass boilers. The boiler adopts a reciprocating grate, which is the combustion equipment most suitable for biomass fuel combustion. The boiler is larger in structural design than the traditional boiler furnace space, and simultaneously, the arrangement of the very reasonable secondary air is beneficial to the complete combustion of a large amount of volatile matters instantaneously separated out when biomass fuel is combusted.
Then through market research, the fire grate of the biomass boiler in China has serious combustion abrasion, short running time, insufficient combustion and other phenomena at present, resources are wasted, and the use experience of a user is reduced.
Disclosure of Invention
In order to solve the technical problems, the utility model adopts the following technical scheme:
the utility model provides a fire grate water-cooled wall device of a biomass boiler, which comprises a fire grate main inlet header, a fire grate auxiliary inlet header, a fire grate outlet header and a fire grate; the main inlet header of the fire grate is connected with the outlet header of the fire grate through a pipeline, the outlet header of the fire grate is also connected with the auxiliary inlet header of the fire grate, and the fire grate is arranged between the auxiliary inlet header of the fire grate and the outlet header of the fire grate.
Preferably, the fire grate water-cooled wall device structure is formed by welding 38-6.5mm alloy steel pipes and alloy drilling flat steel, and the material is 15CrMoG
Preferably, the fire grate is arranged in the boiler and is a main combustion area, the upper end of the fire grate is connected with a high-end collecting box, the high-end outlet collecting box is connected with a high-end interference pipe, and the lower part of the fire grate is connected with a low-end inlet collecting box.
Preferably, the boilers with different tonnages are suitable for different fire grates, the 48-ton boiler consists of 2 fire grates, and the 130-ton boiler consists of 4 fire grates.
The utility model has the beneficial effects that:
the device can fully burn biomass fuel, improves the combustion efficiency of the boiler, and has simple installation and long service life.
Drawings
In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a fire grate water wall device of a biomass boiler according to an embodiment of the present utility model;
FIG. 2 is a schematic cross-sectional view of a grate;
fig. 3 is a schematic top view of a grate.
Reference numerals illustrate: 1. a main inlet header of the fire grate; 11. a fire grate auxiliary inlet header; 2. a fire grate; 3. and a fire grate outlet header.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Specific example 1:
as shown in fig. 1 to 3, a fire grate water-cooled wall device of a biomass boiler comprises a fire grate main inlet header 1, a fire grate auxiliary inlet header 11, a fire grate outlet header 3 and a fire grate 2; the main grate inlet header 1 is connected with the grate outlet header 3 through a pipeline, the grate outlet header 3 is also connected with the auxiliary grate inlet header 11, and a grate 2 is arranged between the auxiliary grate inlet header 11 and the grate outlet header 3.
Furthermore, the fire grate water wall device structure is formed by welding 38-6.5mm alloy steel pipes and alloy drilling flat steel, and the material is 15CrMoG.
Further, the fire grate 2 is arranged in the boiler and is a main combustion area, the upper end of the fire grate is connected with a high-end collecting box, the high-end outlet collecting box is connected with a high-end interference pipe, and the lower part of the fire grate is connected with a low-end inlet collecting box.
Further, the boilers with different tonnages are suitable for different fire grates, the 48-ton boiler consists of 2 fire grates, and the 130-ton boiler consists of 4 fire grates.
Principle function:
the upper part of the water flowing in the water-cooling vibration furnace calandria is directly provided with biomass fuel for burning on the upper part, the water in the furnace calandria is heated, the furnace grate is driven by an external driving device and vibrates frequently within a set time, and the vibration aims to enable the fuel to continuously move downwards from the upper part, and finally the completely burned fuel falls back into a slag well below.
When biomass fuel enters a hearth from a feeding port, the biomass fuel firstly falls to a high-end disturbing pipe part, and when the high-end disturbing pipe part uniformly separates and spreads the biomass fuel to a water cooling vibration grate water cooling wall part at the lower part, the grate water cooling wall is formed by welding a pipe and flat steel, the inside of the pipe is in direct contact with the burnt biomass fuel when the water flows outside, and after the flame temperature of water and fuel in the pipe is heated, the water temperature in the pipe can be rapidly increased, so that circulating water of a closed loop of the water cooling wall pipe is more heat-exchanged.
The utility model has the beneficial effects that:
1. firstly, the effect of fully burning biomass fuel can be solved;
2. the connecting and sealing effect of the front wall water-cooled wall and the header is achieved;
3. the installation is simple, and the service life is long;
4. the fuel can be fully combusted after being buffered, and the fuel can fully combusted from the upper end to the lower end through uninterrupted vibration, so that the combustion efficiency of the boiler is improved;
5. the water-cooling vibration grate is formed by welding an alloy steel pipe with the diameter of 38-6.5mm and an alloy drilling flat steel, and is made of 15CrMoG, and has the characteristics of good elasticity and high temperature resistance;
6. the high end of the fire grate water-cooled wall is of an arc structure, so that the fire grate water-cooled wall is convenient to butt against a high-end header, and also plays a role in sealing;
7. the lower end of the fire grate is connected by adopting a special-shaped bent pipe, and a special-shaped wear-resistant strip is additionally arranged on the elbow at the lower end for preventing the abrasion of the pipe;
it will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (4)
1. The utility model provides a fire grate water-cooled wall device of biomass boiler which characterized in that: comprises a main inlet header of the fire grate, an auxiliary inlet header of the fire grate, an outlet header of the fire grate and the fire grate; the main inlet header of the fire grate is connected with the outlet header of the fire grate through a pipeline, the outlet header of the fire grate is also connected with the auxiliary inlet header of the fire grate, and the fire grate is arranged between the auxiliary inlet header of the fire grate and the outlet header of the fire grate.
2. The fire grate water wall device of a biomass boiler according to claim 1, wherein the fire grate water wall device is formed by welding 38-6.5mm alloy steel pipes and alloy drilling flat steel, and is made of 15CrMoG.
3. The fire grate water wall device of a biomass boiler according to claim 1, wherein the fire grate is arranged in the boiler and is a main combustion area, the upper end of the fire grate is connected with a high-end header, the high-end outlet header is connected with a high-end interference pipe, and the lower part of the fire grate is directly connected with a low-end interference pipe.
4. The fire grate water wall device of a biomass boiler as claimed in claim 1, wherein the boiler with different tonnages is adapted to different fire grates, the 48-ton boiler is composed of 2 fire grates, and the 130-ton boiler is composed of 4 fire grates.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221821314.4U CN218993429U (en) | 2022-07-15 | 2022-07-15 | Fire grate water-cooled wall device of biomass boiler |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221821314.4U CN218993429U (en) | 2022-07-15 | 2022-07-15 | Fire grate water-cooled wall device of biomass boiler |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218993429U true CN218993429U (en) | 2023-05-09 |
Family
ID=86193554
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221821314.4U Active CN218993429U (en) | 2022-07-15 | 2022-07-15 | Fire grate water-cooled wall device of biomass boiler |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218993429U (en) |
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2022
- 2022-07-15 CN CN202221821314.4U patent/CN218993429U/en active Active
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