CN209173635U - It is a kind of to utilize the ultralow dust-extraction unit of net flue - Google Patents
It is a kind of to utilize the ultralow dust-extraction unit of net flue Download PDFInfo
- Publication number
- CN209173635U CN209173635U CN201821564870.1U CN201821564870U CN209173635U CN 209173635 U CN209173635 U CN 209173635U CN 201821564870 U CN201821564870 U CN 201821564870U CN 209173635 U CN209173635 U CN 209173635U
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- China
- Prior art keywords
- dust
- flue
- extraction unit
- net flue
- fixedly connected
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Abstract
The ultralow dust-extraction unit of net flue is utilized the utility model discloses a kind of, including absorption tower, ultralow dust-extraction unit is equipped at the absorption tower outlet, the ultralow dust-extraction unit includes net flue, dedusting entrance guiding plate, high-effective dust-removing demister, rinse piece, flow pipe, nozzle and house outlet deflector, the net flue is fixedly connected at the outlet of absorption tower, and dedusting entrance guiding plate is fixedly connected on inside net flue, the high-effective dust-removing demister is located at side of the dedusting entrance guiding plate far from absorption tower, this utilizes the ultralow dust-extraction unit of net flue, by utilizing the net flue of desulfurizing tower, in net flue corner design arrangement high-effective dust-removing defogger system, the axial direction of high-effective dust-removing demister unit is from the horizontal by 30~60 degree, increase the contacting section product of flue gas and high-effective dust-removing demister, reduce gas phase stream Speed ensure that the demisting dust removing effects of high-effective dust-removing demister, so that the content of flue dust reaches minimum discharge standard in neat stress.
Description
Technical field
The utility model relates to net flue technical fields, specially a kind of to utilize the ultralow dust-extraction unit of net flue.
Background technique
In recent years, national three ministries and commissions combine and have issued " about printing and distributing " coal electricity energy-saving and emission-reduction upgrading and transformation action plan
(2014-2020) " notice ", it is desirable that 300,000 kilowatts of eastern region active service or more public Thermal generation units and part have
300,000 kilowatts or less public Thermal generation units of condition, Air Pollutant Emission concentration use gas turbine group emission limit
(i.e. under 6%O2, flue dust, SO2, NOx emission concentration are respectively no higher than 10,35,50mg/Nm3, under the support of environmental protection policy, birth
Many desulphurization denitration dedusting technologies are given birth to.In desulfuration field, mainly there are Limestone-gypsum Wet Flue Gas Desulfurization Process, ammonia process-ammonium sulfate wet process
Sulfur dioxide in flue gas can be cut to 35mg/Nm3 hereinafter, in denitration field by the technologies such as desulfurization, mainly have low nitrogen burning,
SNCR denitration and SCR denitration.
In terms of flue dust removing, mainly there are wet electrical dust precipitator, bundled tube deduster etc., wet electrical dust precipitator cost is high
Expensive, operating cost is higher, and takes up an area wider, seldom for vacant lot transformation project, with being significantly restrained；Bundled tube removes
Dirt device, old tower generally requires when being transformed increases former absorber tower cylinder, when can not increase former absorber tower cylinder for being limited by space,
The utilization of bundled tube deduster is very limited, for this purpose, it is proposed that a kind of utilize the ultralow dust-extraction unit of net flue.
Utility model content
The ultralow dust-extraction unit of net flue is utilized the purpose of this utility model is to provide a kind of, to solve above-mentioned background technique
The problem of middle proposition.
To achieve the above object, the utility model provides the following technical solutions: it is a kind of to utilize the ultralow dust-extraction unit of net flue,
Including absorption tower, ultralow dust-extraction unit is equipped at the absorption tower outlet, the ultralow dust-extraction unit includes net flue, dedusting
Entrance guiding plate, high-effective dust-removing demister, rinse piece, flow pipe, nozzle and house outlet deflector, the net flue are fixed
It is connected at the outlet of absorption tower, and dedusting entrance guiding plate is fixedly connected on inside net flue, the high-effective dust-removing demister
Side positioned at dedusting entrance guiding plate far from absorption tower, and high-effective dust-removing demister is fixedly connected on inside net flue, it is described
Rinse piece is fixedly connected with inside high-effective dust-removing demister, the high-effective dust-removing demister output end is equipped with drain tube, and send
Water pipe is fixedly connected on inside high-effective dust-removing demister, and the flow pipe output end is in communication with the outside, and the nozzle is located at efficient
Inside dedusting demister, and nozzle is fixedly connected on flow pipe, and the house outlet deflector, which is fixedly connected on, efficiently to be removed
Dirt demister exit, and house outlet deflector is located inside net flue.
Preferably, there are two the rinse piece is set, and two rinse pieces are uniformly fixedly connected in high-effective dust-removing demister
Portion.
Preferably, the rinse piece includes swirl vane, blind plate and cylinder, and the swirl vane is equipped with multiple and multiple
Swirl vane is fixedly connected on the outside of blind plate, and the swirl vane is located at and blind plate is respectively positioned on the outside of cylinder, and cylinder is fixed
It is connected to inside high-effective dust-removing demister.
Preferably, tube bank is axial inside the high-effective dust-removing demister and the angle of horizontal flue be~spend.
Preferably, the nozzle is equipped with multiple, and multiple nozzles are fixedly connected on flow pipe, and the nozzle is solid
Wimble structure.
Compared with prior art, the utility model has the beneficial effects that
1, the utility model is by utilizing the net flue of desulfurizing tower, in net flue corner design arrangement high-effective dust-removing demister
System, the axial direction of high-effective dust-removing demister unit increase flue gas and high-effective dust-removing demister from the horizontal by 30~60 degree
Contacting section product, reduce gas phase flow velocity, ensure that the demisting dust removing effects of high-effective dust-removing demister, so that cigarette in neat stress
The content of dirt reaches minimum discharge standard, instructs dedusting entrance guiding plate and dedusting to export deflector using CFD numerical simulation
Design, is adjusted to vertical with high-effective dust-removing demister for high-effective dust-removing demister import flue gas, ensure that high-effective dust-removing demister
Demisting efficiency of dust collection, the flue gas after dedusting demisting flows to parallel with flue, reduces the turbulent flow of flue gas after water conservancy diversion redistributes
And vortex, the drag losses of flue gas are reduced, while avoiding flue gas and directly washing away the abrasion of siding caused by wall panel, utilized
The net flue of desulfurizing tower removes flue dust in flue gas, so that the content of flue dust reaches minimum discharge standard in neat stress.For lime
In stone-gypsum wet desulfurizing fly ash project, the especially following occasion of the utility model, and there is apparent advantage: (1) plan use
Bundled tube high-effective dust-removing demister dedusting, but original absorber tower cylinder is limited by space, when can not increase；(2) it uses in the original plan
Wet electrical dust precipitator dedusting, but limited by place, when can not arrange wet electrical dust precipitator.
2, the utility model is bundled tube high-effective dust-removing demister, built-in 2-4 grades of eddy flow leaf by high-effective dust-removing demister
Piece, the size and angle of blade are designed using differentiation, to guarantee that dedusting demister can efficient removal flue gas under different load
Middle flue dust.
Detailed description of the invention
Fig. 1 is the utility model overall structure diagram；
Fig. 2 is the utility model swirl vane side view.
In figure: the absorption tower 1-；The ultralow dust-extraction unit of 2-；The net flue of 3-；4- dedusting entrance guiding plate；5- high-effective dust-removing demisting
Device；6- rinse piece；7- flow pipe；8- nozzle；9- house outlet deflector；10- swirl vane；11- blind plate；12- cylinder.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
The utility model provides a kind of technical solution referring to FIG. 1-2: a kind of to utilize the ultralow dust-extraction unit of net flue, packet
Include absorption tower 1, be equipped with ultralow dust-extraction unit 2 at 1 outlet of absorption tower, the ultralow dust-extraction unit 2 include net flue 3,
Dedusting entrance guiding plate 4, high-effective dust-removing demister 5, rinse piece 6, flow pipe 7, nozzle 8 and house outlet deflector 9, it is described
Net flue 3 is fixedly connected at 1 outlet of absorption tower, and dedusting entrance guiding plate 4 is fixedly connected on inside net flue 3, described
High-effective dust-removing demister 5 is located at 4 side far from absorption tower 1 of dedusting entrance guiding plate, and high-effective dust-removing demister 5 is fixedly connected
Inside net flue 3, rinse piece 6 is fixedly connected with inside the high-effective dust-removing demister 5, the high-effective dust-removing demister 5 is defeated
Outlet is equipped with drain tube, and flow pipe 7 is fixedly connected on inside high-effective dust-removing demister 5,7 output end of flow pipe and outer
Boundary's connection, the nozzle 8 is located inside high-effective dust-removing demister 5, and nozzle 8 is fixedly connected on flow pipe 7, the deduster
Outlet deflector 9 is fixedly connected on 5 exit of high-effective dust-removing demister, and house outlet deflector 9 is located in net flue 3
Portion.
There are two the rinse piece 6 is set, and two rinse pieces 6 are uniformly fixedly connected on inside high-effective dust-removing demister 5, from
And improve flue dust removal efficiency in flue gas.
The rinse piece 6 includes swirl vane 10, blind plate 11 and cylinder 12, and the swirl vane 10 is equipped with multiple and more
A swirl vane 10 is fixedly connected in 11 outside of blind plate, and the swirl vane 10 is located at and blind plate 11 is respectively positioned on outside cylinder 12
Side, and cylinder 12 is fixedly connected on inside high-effective dust-removing demister 5, is designed by the size and angle of blade using differentiation,
To guarantee under different load that dedusting demister can flue dust in efficient removal flue gas.
It is 30~60 degree that the axial angle with horizontal flue is restrained inside the high-effective dust-removing demister 5, increases flue gas
With the contacting section product of high-effective dust-removing demister 5, gas phase flow velocity is reduced, ensure that the demisting dedusting of high-effective dust-removing demister 5
Effect.
The nozzle 8 is equipped with multiple, and multiple nozzles 8 are fixedly connected on flow pipe 7, and the nozzle 8 is solid-cone
Structure, to increase spraying efficiency.
Working principle: by utilizing the net flue 3 of desulfurizing tower, in net 3 corner design arrangement high-effective dust-removing demister 5 of flue
System, the axial direction of high-effective dust-removing demister Unit 5 increase flue gas and high-effective dust-removing demister from the horizontal by 30~60 degree
5 contacting section product, reduces gas phase flow velocity, ensure that the demisting dust removing effects of high-effective dust-removing demister 5, so that in neat stress
The content of flue dust reaches minimum discharge standard, instructs dedusting entrance guiding plate 4 and dedusting to export deflector using CFD numerical simulation
5 import flue gas of high-effective dust-removing demister is adjusted to vertical with high-effective dust-removing demister 5, ensure that high-effective dust-removing removes by 9 design
The demisting efficiency of dust collection of day with fog 5, the flue gas after dedusting demisting flow to parallel with flue, reduce flue gas after water conservancy diversion redistributes
Turbulent flow and vortex, reduce the drag losses of flue gas, at the same avoid flue gas directly wash away siding caused by wall panel mill
Damage removes flue dust in flue gas, so that the content of flue dust reaches minimum discharge standard in neat stress using the net flue 3 of desulfurizing tower.It is right
In Limestone-gypsum Wet Flue Gas Desulfurization Process transformation project, the especially following occasion of the utility model, and there is apparent advantage: (1) it counts
It draws and uses 5 dedusting of bundled tube high-effective dust-removing demister, but original absorber tower cylinder is limited by space, when can not increase；(2) former meter
It draws and uses wet electrical dust precipitator dedusting, but limited by place, when can not arrange wet electrical dust precipitator.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (5)
1. a kind of utilize the ultralow dust-extraction unit of net flue, including absorption tower (1), it is characterised in that: absorption tower (1) outlet
Place be equipped with ultralow dust-extraction unit (2), the ultralow dust-extraction unit (2) include net flue (3), dedusting entrance guiding plate (4), efficiently
Dedusting demister (5), rinse piece (6), flow pipe (7), nozzle (8) and house outlet deflector (9), the net flue (3)
It is fixedly connected at absorption tower (1) outlet, and dedusting entrance guiding plate (4) is fixedly connected on net flue (3) inside, the height
Effect dedusting demister (5) is located at side of the dedusting entrance guiding plate (4) far from absorption tower (1), and high-effective dust-removing demister (5) is solid
Surely it is internal to be connected to net flue (3), is fixedly connected with rinse piece (6) inside the high-effective dust-removing demister (5), it is described efficiently to remove
Dirt demister (5) output end is equipped with drain tube, and flow pipe (7) is fixedly connected on high-effective dust-removing demister (5) inside, described
Flow pipe (7) output end is in communication with the outside, and it is internal that the nozzle (8) is located at high-effective dust-removing demister (5), and nozzle (8) is fixed
It being connected on flow pipe (7), the house outlet deflector (9) is fixedly connected on high-effective dust-removing demister (5) exit, and
It is internal that house outlet deflector (9) is located at net flue (3).
2. a kind of utilization ultralow dust-extraction unit of net flue according to claim 1, it is characterised in that: the rinse piece (6)
If there are two, and two rinse pieces (6) are uniformly fixedly connected on high-effective dust-removing demister (5) inside.
3. a kind of utilization ultralow dust-extraction unit of net flue according to claim 1, it is characterised in that: the rinse piece (6)
Including swirl vane (10), blind plate (11) and cylinder (12), the swirl vane (10) is equipped with multiple, and multiple swirl vanes
(10) it is fixedly connected on the outside of blind plate (11), the swirl vane (10) is located at and blind plate (11) are respectively positioned on cylinder (12) outside
Side, and cylinder (12) is fixedly connected on high-effective dust-removing demister (5) inside.
4. a kind of utilization ultralow dust-extraction unit of net flue according to claim 1, it is characterised in that: the high-effective dust-removing removes
The axial angle with horizontal flue of tube bank is 30~60 degree inside day with fog (5).
5. a kind of utilization ultralow dust-extraction unit of net flue according to claim 1, it is characterised in that: the nozzle (8) sets
Have multiple, and multiple nozzles (8) are fixedly connected on flow pipe (7), and the nozzle (8) is solid wimble structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564870.1U CN209173635U (en) | 2018-09-26 | 2018-09-26 | It is a kind of to utilize the ultralow dust-extraction unit of net flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821564870.1U CN209173635U (en) | 2018-09-26 | 2018-09-26 | It is a kind of to utilize the ultralow dust-extraction unit of net flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209173635U true CN209173635U (en) | 2019-07-30 |
Family
ID=67360469
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821564870.1U Expired - Fee Related CN209173635U (en) | 2018-09-26 | 2018-09-26 | It is a kind of to utilize the ultralow dust-extraction unit of net flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209173635U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126351A (en) * | 2018-09-26 | 2019-01-04 | 杭州玺清环保科技有限公司 | It is a kind of to utilize the ultralow dust-extraction unit of net flue |
-
2018
- 2018-09-26 CN CN201821564870.1U patent/CN209173635U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109126351A (en) * | 2018-09-26 | 2019-01-04 | 杭州玺清环保科技有限公司 | It is a kind of to utilize the ultralow dust-extraction unit of net flue |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190730 Termination date: 20210926 |