CN217662440U - Desulfurization back dust pelletizing system based on belt defroster - Google Patents
Desulfurization back dust pelletizing system based on belt defroster Download PDFInfo
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- CN217662440U CN217662440U CN202220679609.6U CN202220679609U CN217662440U CN 217662440 U CN217662440 U CN 217662440U CN 202220679609 U CN202220679609 U CN 202220679609U CN 217662440 U CN217662440 U CN 217662440U
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- belt
- desulfurization
- absorption tower
- defroster
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Abstract
The utility model relates to a post-desulfurization dust removal system based on a belt-type demister, which comprises a desulfurization absorption tower and a process water tank, wherein the belt-type demister is laid at the top of the desulfurization absorption tower and is a flexible mesh belt woven by capillary fluoroplastic pipes; and the process water tank is connected with a flushing water device and a spraying and humidifying device in the desulfurization absorption tower through a flushing water pump. The utility model discloses increase the belt defroster at the clean flue gas system of desulfurization, installation space is little, need not to make the change just can realize removing dust and remove the target of liquid drop to absorption tower and flue.
Description
Technical Field
The utility model belongs to the technical field of the desulfurization is removed dust, especially, relate to a dust pelletizing system after desulfurization based on belt defroster.
Background
The oil-fired boiler has unstable natural gas supply, long operation time of the boiler, reduced efficiency and standard exceeding of dust emission when high-sulfur crude oil is used, so the system needs to be upgraded and reformed.
At present, the most dust removing equipment used in or behind an absorption tower of a desulfurization system is a wet electric dust remover and a high-efficiency demister. The wet electric dust collector makes dust by means of high-voltage corona discharge, the charged dust reaches a dust collecting plate (or a dust collecting pipe) under the action of an electric field force, and then a flushing mode is adopted, so that the dust is removed along with the flowing of a scouring liquid, and the purpose of ultra-clean discharge is achieved. The wet electric dust collector has the advantages of complex installation process, more matched systems, long construction period, high investment, high power consumption, large consumption of washing water and high operation cost. High-efficient defroster has a lot of varieties, for example tertiary tubular defroster, two-stage ridge formula defroster + one-level tubular defroster, flue defroster etc. no matter which kind of defroster will occupy great installation space to satisfy the requirement that removes the dust and remove the liquid drop.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a post-desulfurization dust removal system based on a belt-type demister, which comprises a desulfurization absorption tower and a process water tank, wherein the belt-type demister is laid at the top of the desulfurization absorption tower and is a flexible mesh belt woven by capillary fluoroplastic pipes;
and the process water tank is connected with a washing water device and a spraying and humidifying device in the desulfurization absorption tower through a washing water pump.
Further, the pipe diameter of the capillary fluoroplastic pipe is 4-6mm.
Further, the number of the laying layers of the flexible mesh belt is 5.
Borrow by above-mentioned scheme, through the dust pelletizing system after the desulfurization based on belt defroster, increase belt defroster at the clean flue gas system of desulfurization, installation space is little, need not to make the target that just can realize removing dust and remove the liquid drop to absorption tower and flue.
The above description is only an overview of the technical solution of the present invention, and in order to make the technical means of the present invention clearer and can be implemented according to the content of the description, the following detailed description is made of preferred embodiments of the present invention.
Drawings
FIG. 1 is a schematic structural diagram of a post-desulfurization dust removal system based on a belt-type demister.
The labels in the figure are:
1-a desulfurization absorption tower; 2-a belt type demister; 3-process water tank: 4-a washing water pump; 5-a flapper door; 6-chimney.
Detailed Description
The following detailed description of the embodiments of the present invention is provided with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.
Referring to fig. 1, the present embodiment provides a post-desulfurization dust removal system based on a belt type demister, which includes a desulfurization absorption tower 1 and a process water tank 3, wherein the belt type demister 2 is laid at a demister position at the top of the desulfurization absorption tower 1, and the belt type demister 2 is a flexible mesh belt woven by a capillary fluoroplastic pipe;
the process water tank 3 is connected with a flushing water device and a spraying and humidifying device in the desulfurization absorption tower 1 through a flushing water pump 4, and the desulfurization absorption tower 1 is connected with a chimney 6 through a baffle door 5.
In this embodiment, the diameter of the capillary fluoroplastic pipe is 4-6mm.
In this embodiment, the number of layers of the flexible mesh tape is 5.
This high-efficient defroster of belt reaches ultra-clean emission purpose technical mode through the mode of mechanical baffling, has combined the technical characterstic of condensation dust remover and silk screen demister, has the porosity that is closest to silk screen demister again, has realized higher capture efficiency.
The belt type high-efficiency demister adopts a flexible mesh belt woven by capillary fluoroplastic pipes, is laid at the position of the demister of a desulfurization absorption tower, realizes the purposes of dedusting and demisting, does not need to modify an absorption tower flue gas system, can quickly achieve the expected effect by simple anchoring treatment, has the structural characteristics of softness, thinness, curling property, equal installation engineering quantity to that of a wire mesh demister or even lower installation engineering quantity,
the belt type efficient demister gives full play to the flexibility characteristic of a plastic pipe and solves the difficult problems that the traditional equipment is large in size, high in investment and the like and is difficult to overcome; the problems that the traditional material is easy to corrode and scale are solved, so that the reliability of the equipment is greatly improved; the flexible laying mode solves the problems of policy adjustment and emission index improvement, can flexibly adjust the laying layer number without reconstruction and repeated investment.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.
Claims (3)
1. A post-desulfurization dust removal system based on a belt-type demister is characterized by comprising a desulfurization absorption tower and a process water tank, wherein the belt-type demister is laid at the top of the desulfurization absorption tower and is a flexible mesh belt woven by capillary fluoroplastic pipes;
and the process water tank is connected with a flushing water device and a spraying and humidifying device in the desulfurization absorption tower through a flushing water pump.
2. The desulfurization post-dust removal system based on belt type demister as set forth in claim 1, wherein the diameter of the capillary fluoroplastic pipe is 4-6mm.
3. The system of claim 2, wherein the number of layers of the flexible mesh belt is 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679609.6U CN217662440U (en) | 2022-03-25 | 2022-03-25 | Desulfurization back dust pelletizing system based on belt defroster |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220679609.6U CN217662440U (en) | 2022-03-25 | 2022-03-25 | Desulfurization back dust pelletizing system based on belt defroster |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217662440U true CN217662440U (en) | 2022-10-28 |
Family
ID=83731050
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220679609.6U Active CN217662440U (en) | 2022-03-25 | 2022-03-25 | Desulfurization back dust pelletizing system based on belt defroster |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217662440U (en) |
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2022
- 2022-03-25 CN CN202220679609.6U patent/CN217662440U/en active Active
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