CN221592924U - Boiler flue gas treatment system - Google Patents
Boiler flue gas treatment system Download PDFInfo
- Publication number
- CN221592924U CN221592924U CN202323115191.XU CN202323115191U CN221592924U CN 221592924 U CN221592924 U CN 221592924U CN 202323115191 U CN202323115191 U CN 202323115191U CN 221592924 U CN221592924 U CN 221592924U
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- Prior art keywords
- flue gas
- dust
- communicated
- treatment system
- boiler
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- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 96
- 239000003546 flue gas Substances 0.000 title claims abstract description 96
- 239000000428 dust Substances 0.000 claims abstract description 100
- 239000000919 ceramic Substances 0.000 claims abstract description 25
- 239000004744 fabric Substances 0.000 claims abstract description 22
- 230000003009 desulfurizing effect Effects 0.000 claims description 19
- 239000000779 smoke Substances 0.000 claims description 9
- 239000003245 coal Substances 0.000 claims description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 239000002245 particle Substances 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 239000010959 steel Substances 0.000 description 4
- 238000001816 cooling Methods 0.000 description 2
- 238000006477 desulfuration reaction Methods 0.000 description 2
- 230000023556 desulfurization Effects 0.000 description 2
- 230000008676 import Effects 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 230000001010 compromised effect Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 239000007789 gas Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000011218 segmentation Effects 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002918 waste heat Substances 0.000 description 1
Landscapes
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The utility model discloses a boiler flue gas treatment system, which relates to the technical field of flue gas treatment and comprises an economizer, a ceramic multi-tube dust remover and a cloth bag dust remover, wherein a flue gas inlet of the economizer is communicated with a flue gas outlet of a boiler; the boiler flue gas treatment system disclosed by the utility model can effectively prolong the service life of the bag-type dust collector and can effectively improve the production safety.
Description
Technical Field
The utility model relates to the technical field of flue gas treatment, in particular to a boiler flue gas treatment system.
Background
The economizer is a device arranged at the smoke outlet of the coal-fired boiler and is used for recovering the waste heat in the smoke discharged by the boiler, and the economizer absorbs the heat in the high-temperature smoke, so that the smoke discharging temperature of the smoke is reduced, the energy is saved, and the efficiency is improved, so that the economizer is called as the economizer.
In practical application, the exhaust port of the economizer is communicated with a bag-type dust remover, and dust particles in the flue gas are collected through the bag-type dust remover. However, the situation that the distance between the economizer and the bag-type dust collector is relatively short due to insufficient actual arrangement places often occurs, so that the flue gas exhausted by the economizer in the production process still has relatively high temperature when entering the bag-type dust collector, the bag-type dust collector is easy to age seriously, the normal operation and the dust collection effect of the bag-type dust collector are affected, fine sparks can remain in the flue gas when the flue gas exhausted by the economizer enters the bag-type dust collector, fine combustible substances in the flue gas can be attached to the surface of a cloth bag of the bag-type dust collector, the combustible substances are accumulated on the cloth bag to a certain amount, and then the flue gas with relatively high temperature and even sparks is introduced into the cloth bag, so that the bag-type dust collector is damaged by igniting the cloth bag, and the production safety is compromised.
Disclosure of utility model
The utility model aims to provide a boiler flue gas treatment system which solves the problems in the prior art, can effectively prolong the service life of a bag-type dust collector and can effectively improve the production safety.
In order to achieve the above object, the present utility model provides the following solutions:
The utility model provides a boiler flue gas treatment system which comprises an economizer, a ceramic multi-tube dust remover and a cloth bag dust remover, wherein a flue gas inlet of the economizer is communicated with a flue gas outlet of a boiler, a flue gas inlet of the ceramic multi-tube dust remover is communicated with a flue gas outlet of the economizer, and a flue gas outlet of the ceramic multi-tube dust remover is communicated with a flue gas inlet of the cloth bag dust remover.
Preferably, the ceramic multi-tube dust remover comprises a dust removing box and a dust collecting box, wherein a flue gas inlet of the dust removing box is communicated with a flue gas outlet of the coal economizer, a flue gas outlet of the dust removing box is communicated with a flue gas inlet of the bag-type dust remover, and the dust collecting box is arranged below the dust removing box and is used for collecting dust separated from flue gas by the dust removing box.
Preferably, the dust collector further comprises an induced draft fan, wherein a smoke inlet of the induced draft fan is communicated with a smoke outlet of the bag-type dust collector; the bottom of the dust box is provided with a spiral discharger.
Preferably, the device further comprises a desulfurizing tower, wherein a flue gas inlet of the desulfurizing tower is communicated with a flue gas outlet of the induced draft fan.
Preferably, the flue gas inlet of the desulfurizing tower is arranged at the bottom of the desulfurizing tower, and the flue gas outlet of the desulfurizing tower is arranged at the top of the desulfurizing tower.
Preferably, the flue gas desulfurization device further comprises a chimney, wherein a flue gas outlet of the desulfurization tower is communicated with a flue gas inlet of the chimney, the flue gas inlet of the chimney is arranged at the bottom of the chimney, and an opening at the top end of the chimney is communicated with the outside.
Compared with the prior art, the utility model has the following technical effects:
According to the boiler flue gas treatment system provided by the utility model, the ceramic multi-tube dust collector is arranged between the coal economizer and the cloth bag dust collector, the ceramic multi-tube dust collector has small segmentation particle size, high separation efficiency and high load adaptability, and has a high dust collection efficiency, and the boiler flue gas treatment system, as flue gas pre-dust collection equipment, has a spark trapping function and a flue gas cooling function, effectively ensures the safe operation of the rear-end cloth bag dust collector, can collect dust particles in flue gas to the maximum extent and prevent the cloth bag from being ignited, is matched with the cloth bag dust collector, has a high dust collection effect, can effectively prolong the service life of the cloth bag dust collector, and can effectively improve the production safety.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present utility model, and 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 boiler flue gas treatment system provided by the present utility model.
In the figure: 1-boiler, 2-economizer, 3-ceramic multitube dust remover, 4-draught fan, 5-desulfurizing tower, 6-chimney.
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.
The utility model aims to provide a boiler flue gas treatment system which solves the problems in the prior art, can effectively prolong the service life of a bag-type dust collector and can effectively improve the production safety.
In order that the above-recited objects, features and advantages of the present utility model will become more readily apparent, a more particular description of the utility model will be rendered by reference to the appended drawings and appended detailed description.
As shown in fig. 1, the utility model provides a boiler flue gas treatment system, which comprises an economizer 2, a ceramic multi-tube dust remover 3 and a cloth bag dust remover, wherein a flue gas inlet of the economizer 2 is communicated with a flue gas outlet of the boiler 1, a flue gas inlet of the ceramic multi-tube dust remover 3 is communicated with a flue gas outlet of the economizer 2, and a flue gas outlet of the ceramic multi-tube dust remover 3 is communicated with a flue gas inlet of the cloth bag dust remover.
According to the boiler flue gas treatment system provided by the utility model, the ceramic multi-tube dust remover 3 is arranged between the coal economizer 2 and the cloth bag dust remover, the ceramic multi-tube dust remover 3 has small division particle size, high separation efficiency and strong load adaptability, and has higher dust removal efficiency, and as flue gas pre-dust removing equipment, the boiler flue gas treatment system has a spark trapping function and a flue gas cooling function, so that the safe operation of the rear-end cloth bag dust remover is effectively ensured, dust particles in flue gas can be collected to the maximum extent and the cloth bag is prevented from being ignited, the ceramic multi-tube dust remover 3 is matched with the cloth bag dust remover for use, has higher dust removal effect, can effectively prolong the service life of the cloth bag dust remover, and can effectively improve the production safety; as a preferable implementation mode of the embodiment, the ceramic multi-tube dust remover 3 adopts an XTD ceramic multi-tube dust remover 3, the outside of the equipment adopts a Q235 steel structure, the inside of the equipment is formed by 44 ceramic cyclone dust remover units (also called ceramic cyclone bodies) which are connected in parallel, the dust removal efficiency can generally reach more than 80 percent, 85-95 percent of particle dust can be removed, the cyclone bodies of the dust remover are made of ceramic steel instead of steel, the steel is saved, the wear resistance and corrosion resistance are good, the service life is long, the operation elasticity is large, the performance is stable, and the dust remover is not limited by the concentration and the temperature of dust-containing gas.
In this embodiment, ceramic multitube dust remover 3 includes dust removal case and dust collection box, and the flue gas import of dust removal case communicates with the flue gas export of economizer 2, and the flue gas export of dust removal case communicates with the flue gas import of sack cleaner, and the dust collection box is located the below of dust removal case and is used for collecting the dust that the dust removal case separated from the flue gas, simple structure is convenient for clear up the dust in the ceramic multitube dust remover 3.
Further, the boiler flue gas treatment system provided by the utility model further comprises an induced draft fan 4, wherein a flue gas inlet of the induced draft fan 4 is communicated with a flue gas outlet of the bag-type dust remover; the bottom of the dust box is provided with a spiral discharger, and the ash outlet adopts the spiral discharger, so that ash can be discharged when the boiler 1 runs, and the ash is discharged after the induced draft fan 4 is not required to be stopped.
Furthermore, the boiler flue gas treatment system provided by the utility model further comprises a desulfurizing tower 5, wherein a flue gas inlet of the desulfurizing tower 5 is communicated with a flue gas outlet of the induced draft fan 4 so as to remove sulfur in the flue gas.
Further, the flue gas inlet of the desulfurizing tower 5 is arranged at the bottom of the desulfurizing tower 5, and the flue gas outlet of the desulfurizing tower 5 is arranged at the top of the desulfurizing tower 5, so that flue gas can flow from bottom to top in the desulfurizing tower 5.
Further, the boiler flue gas treatment system provided by the utility model further comprises a chimney 6, the flue gas outlet of the desulfurizing tower 5 is communicated with the flue gas inlet of the chimney 6, the flue gas inlet of the chimney 6 is arranged at the bottom of the chimney 6, and the top end opening of the chimney 6 is communicated with the outside, so that the treated flue gas can be conveniently discharged to the high altitude.
The principles and embodiments of the present utility model have been described in detail with reference to specific examples, which are provided to facilitate understanding of the method and core ideas of the present utility model; also, it is within the scope of the present utility model to be modified by those of ordinary skill in the art in light of the present teachings. In view of the foregoing, this description should not be construed as limiting the utility model.
Claims (5)
1. A boiler flue gas treatment system, characterized in that: the device comprises an economizer, a ceramic multi-tube dust remover and a cloth bag dust remover, wherein a flue gas inlet of the economizer is communicated with a flue gas outlet of a boiler, a flue gas inlet of the ceramic multi-tube dust remover is communicated with a flue gas outlet of the economizer, and a flue gas outlet of the ceramic multi-tube dust remover is communicated with a flue gas inlet of the cloth bag dust remover; the ceramic multitube dust remover comprises a dust removing box and a dust collecting box, wherein a flue gas inlet of the dust removing box is communicated with a flue gas outlet of the coal economizer, a flue gas outlet of the dust removing box is communicated with a flue gas inlet of the cloth bag dust remover, and the dust collecting box is arranged below the dust removing box and is used for collecting dust separated from flue gas by the dust removing box.
2. The boiler flue gas treatment system according to claim 1, wherein: the dust collector also comprises an induced draft fan, wherein a smoke inlet of the induced draft fan is communicated with a smoke outlet of the bag-type dust collector; the bottom of the dust box is provided with a spiral discharger.
3. The boiler flue gas treatment system according to claim 2, wherein: the flue gas inlet of the desulfurizing tower is communicated with the flue gas outlet of the induced draft fan.
4. A boiler flue gas treatment system according to claim 3, wherein: the flue gas inlet of the desulfurizing tower is arranged at the bottom of the desulfurizing tower, and the flue gas outlet of the desulfurizing tower is arranged at the top of the desulfurizing tower.
5. The boiler flue gas treatment system according to claim 4, wherein: the flue gas inlet of the chimney is arranged at the bottom of the chimney, and the top opening of the chimney is communicated with the outside.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323115191.XU CN221592924U (en) | 2023-11-17 | 2023-11-17 | Boiler flue gas treatment system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323115191.XU CN221592924U (en) | 2023-11-17 | 2023-11-17 | Boiler flue gas treatment system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221592924U true CN221592924U (en) | 2024-08-23 |
Family
ID=92403689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323115191.XU Active CN221592924U (en) | 2023-11-17 | 2023-11-17 | Boiler flue gas treatment system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221592924U (en) |
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2023
- 2023-11-17 CN CN202323115191.XU patent/CN221592924U/en active Active
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