CN219828871U - Ash conveying and boiler slag discharging integrated system of coal economizer - Google Patents
Ash conveying and boiler slag discharging integrated system of coal economizer Download PDFInfo
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- CN219828871U CN219828871U CN202321170174.3U CN202321170174U CN219828871U CN 219828871 U CN219828871 U CN 219828871U CN 202321170174 U CN202321170174 U CN 202321170174U CN 219828871 U CN219828871 U CN 219828871U
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- economizer
- ash
- boiler
- slag
- bin
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- 239000002956 ash Substances 0.000 title claims abstract description 64
- 239000010884 boiler slag Substances 0.000 title claims abstract description 11
- 238000007599 discharging Methods 0.000 title claims abstract description 10
- 239000003245 coal Substances 0.000 title description 3
- 239000002893 slag Substances 0.000 claims abstract description 34
- 238000001816 cooling Methods 0.000 claims abstract description 11
- 239000013049 sediment Substances 0.000 claims 1
- 239000010881 fly ash Substances 0.000 abstract description 19
- 239000002245 particle Substances 0.000 abstract description 6
- 238000005299 abrasion Methods 0.000 abstract description 5
- 238000007664 blowing Methods 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 description 1
- 238000009835 boiling Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000003546 flue gas Substances 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008646 thermal stress Effects 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
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- Gasification And Melting Of Waste (AREA)
Abstract
The utility model relates to the technical field of thermal power plants, in particular to an economizer ash conveying and boiler slag discharging integrated system, which comprises an economizer and a boiler, wherein an economizer ash bin is arranged below the economizer, an economizer bin pump is arranged below the economizer ash bin, and the economizer bin pump is connected with a slag bin for recovering boiler slag and economizer fly ash through an ash conveying pipeline; a boiler ash cooling hopper is arranged below the boiler, and a dry slag extractor for conveying boiler slag to a slag bin is arranged below the boiler ash cooling hopper; according to the utility model, the fly ash of the economizer is conveyed into the slag bin through the pipeline, the slag bin is close to the economizer, a bypass accompanying blowing pipeline at the bottom of a pump of the economizer bin is omitted, the length of an ash conveying pipeline is reduced, the air consumption of compressed air is reduced, the ash conveying time is reduced, and the abrasion of fly ash particles to the ash conveying pipeline is reduced.
Description
Technical Field
The utility model relates to the technical field of thermal power plants, in particular to an economizer ash conveying and boiler slag discharging integrated system.
Background
The basic function of the economizer in a boiler system is: the flue gas waste heat is utilized to heat the feed water or preheat the feed water, so that the exhaust gas temperature is reduced, and the thermal efficiency of the boiler is improved; after the water supply temperature is increased, the thermal stress of the steam drum caused by the temperature difference can be reduced, and the working condition of the steam drum is improved. The economizer bin pump is used as auxiliary equipment of the economizer and is responsible for discharging fly ash generated by the economizer to an ash warehouse, but the economizer is far away from the ash warehouse, an ash conveying pipeline is long, the economizer bin pump not only needs a main blowing pipeline to provide compressed air in the operation process, but also needs a bypass companion blowing pipeline positioned at the bottom of the economizer bin pump to provide compressed air, the problems of long ash conveying time, high compressed air consumption and aggravation of fly ash particles to the conveying pipeline often occur in daily operation, and the ash conveying efficiency is lower and the cost is higher.
Disclosure of Invention
The utility model mainly aims to provide an integrated system for ash conveying and boiler slag discharge of an economizer, which aims to solve the problems that in the prior art, the economizer is far away from an ash warehouse, the compressed air consumption is high, the ash conveying time is long, and the abrasion of fly ash particles to a conveying pipeline is aggravated in daily operation, and the problems of lower ash conveying efficiency and higher cost are solved.
In order to achieve the aim, the utility model provides an economizer ash conveying and boiler slag discharging integrated system, which comprises an economizer and a boiler, wherein an economizer ash bin is arranged below the economizer, an economizer bin pump is arranged below the economizer ash bin, and the economizer bin pump is connected with a slag bin for recovering boiler slag and economizer fly ash through an ash conveying pipeline.
Further, a boiler ash cooling hopper is arranged below the boiler, and a dry slag extractor for conveying boiler slag to a slag bin is arranged below the boiler ash cooling hopper.
Further, the number of the economizer ash bins is 4, and the number of the boiler ash cooling hoppers is 3.
Further, the ash conveying pipeline is connected with the air compressor through a compressed air pipeline.
According to the utility model, the fly ash of the economizer is conveyed into the slag bin through the pipeline, the slag bin is close to the economizer, a bypass accompanying blowing pipeline at the bottom of a pump of the economizer bin is omitted, the length of an ash conveying pipeline is reduced, the air consumption of compressed air is reduced, the ash conveying time is reduced, and the abrasion of fly ash particles to the ash conveying pipeline is reduced.
Slag of the boiler is discharged into the slag bin through the slag extractor, fly ash of the economizer is mixed with slag of the boiler in the slag bin, space in the slag bin is fully utilized, and the fly ash and the slag can be sold together after being mixed.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model.
FIG. 1 is a schematic diagram of an embodiment;
in the figure: 1. an economizer; 2. a boiler; 3. an economizer ash warehouse; 4. a coal economizer bin pump; 5. an ash conveying pipeline; 6. a slag bin; 7. a boiler ash cooling hopper; 8. a dry slag extractor; 9. a compressed air conduit; 10. and an air compressor.
Detailed Description
It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.
As shown in FIG. 1, according to the embodiment of the utility model, an integrated system for ash conveying and slag discharging of an economizer and a boiler is provided, which comprises an economizer 1 and a boiler 2, wherein the economizer 1 adopts a non-boiling type economizer, and the boiler 2 adopts 4X 330MW HX 1190/18.4-II 5 type economizerThe natural circulation coal-fired boiler with the inter-reheat steam pocket is characterized in that 3 economizer ash bins 3 are arranged below the economizer 1, 4 economizer bin pumps 4 are arranged below the economizer ash bins 3, and the economizer bin pumps 4 are connected with the volume of the fly ash for recovering the slag of the boiler 2 and the economizer 1 through ash conveying pipelines 5, wherein the volume of the fly ash is 160m 3 Or 200m 3 Is arranged in the slag bin 6.
A boiler ash cooling hopper 7 is arranged below the boiler 2, and a dry slag extractor 8 for conveying the boiler 2 slag to the slag bin 6 is arranged below the boiler ash cooling hopper 7.
The ash conveying pipeline 5 is connected with an air compressor 10 through a compressed air pipeline 9, and the air compressor 10 is a screw type air compressor of the model BLG350-8 w.
Before using the embodiment, the fly ash of the economizer 1 needs to be conveyed to the ash warehouse through an ash conveying pipeline of 570 meters, and the time for conveying 1.8t of the fly ash to the ash warehouse needs to be 10-15 minutes, and the compressed air with the pressure of 0.60Mpa needs to be consumed for 450m 3 The abrasion of the ash pipe 5 by the fly ash particles is serious.
After the embodiment is used, the fly ash of the economizer 1 is conveyed to the slag bin 6 through a 60-meter ash conveying pipeline, and the time required for conveying 1.8t of the fly ash to the slag bin 6 is 2-4 minutes, and the compressed air with the pressure of 0.4Mpa is required to be consumed for 90m 3 The abrasion of fly ash particles to the ash conveying pipeline 5 is light; after the embodiment is used, the ash conveying efficiency is improved, and the ash conveying cost is reduced.
The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.
Claims (4)
1. The utility model provides an economizer ash conveying and boiler sediment integrated system, includes economizer (1), boiler (2), its characterized in that, the below of economizer (1) is equipped with economizer ash storehouse (3), the below of economizer ash storehouse (3) is equipped with economizer storehouse pump (4), economizer storehouse pump (4) are connected through ash conveying pipeline (5) and are used for retrieving boiler (2) slag and slag storehouse (6) of economizer (1) flying ash.
2. The integrated system for ash conveying and slag discharging of the boiler of the economizer of claim 1, wherein a boiler ash cooling hopper (7) is arranged below the boiler (2), and a dry slag extractor (8) for conveying slag of the boiler (2) to a slag bin (6) is arranged below the boiler ash cooling hopper (7).
3. The economizer ash conveying and boiler slag discharging integrated system as claimed in claim 2, wherein the number of the economizer ash bins (3) is 4, and the number of the boiler ash cooling hoppers (7) is 3.
4. The integrated system for ash conveying and slag discharging of a boiler of an economizer according to claim 1, characterized in that the ash conveying pipeline (5) is connected with an air compressor (10) through a compressed air pipeline (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170174.3U CN219828871U (en) | 2023-05-16 | 2023-05-16 | Ash conveying and boiler slag discharging integrated system of coal economizer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321170174.3U CN219828871U (en) | 2023-05-16 | 2023-05-16 | Ash conveying and boiler slag discharging integrated system of coal economizer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219828871U true CN219828871U (en) | 2023-10-13 |
Family
ID=88248441
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321170174.3U Active CN219828871U (en) | 2023-05-16 | 2023-05-16 | Ash conveying and boiler slag discharging integrated system of coal economizer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219828871U (en) |
-
2023
- 2023-05-16 CN CN202321170174.3U patent/CN219828871U/en active Active
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