CN207708816U - A kind of flue gas removes nitrogen oxides flue - Google Patents
A kind of flue gas removes nitrogen oxides flue Download PDFInfo
- Publication number
- CN207708816U CN207708816U CN201721778866.0U CN201721778866U CN207708816U CN 207708816 U CN207708816 U CN 207708816U CN 201721778866 U CN201721778866 U CN 201721778866U CN 207708816 U CN207708816 U CN 207708816U
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- Prior art keywords
- flow
- flue gas
- flue
- nitrogen oxides
- disturbing
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- Treating Waste Gases (AREA)
Abstract
The utility model discloses a kind of flue gas and removes nitrogen oxides flue, including mixing section, the mixing section is horizontally disposed, the mixing section includes sequentially connected leading portion, stage casing and back segment, spray ammonia component is provided in the leading portion, flow-disturbing component is provided in the back segment, the caliber in the stage casing is less than the caliber of the leading portion and back segment.A kind of flue gas described in the utility model goes nitrogen oxides flue due to being integrated with dedusting, the functions such as stream and mixing, effectively reduces investment and the operating cost of denitrification.
Description
Technical field
The utility model belongs to waste gas treatment equipment field, and in particular to a kind of flue gas removes nitrogen oxides flue.
Background technology
The existing more commonly used method for removing nitrogen oxides is：Under 280-420 degree celsius temperatures, the nitrogen oxidation in flue gas
Reduction reaction occurs under the action of catalyst for the reducing agent ammonia sprayed into object and upstream flue, generates nitrogen and water etc., is selecting
Under the premise of determining catalyst, flue gas stream, which is unevenly distributed, to be easy to cause nitrogen oxides and the mixing of ammonia and reacts insufficient,
Or part spray ammonia is excessive, leads to the generation of side reaction, seriously affects the economy of working effect and its operation, while in flue gas
Dust also be easy to cause catalyst abrasion and human poisoning, shortens the service life of catalyst, increases operating cost.
It is installed on the vertical gas pass between economizer and hydrogen-catalyst reactor to solve the above problems, the prior art is used
Preposition pre-dedusting device and spray ammonia mixing arrangement, are dusted flue gas, flow and pass through urging in catalytic reactor after mixing
Agent is reacted, need to be mounted so that two covering devices, cause the investment of system and operating cost to improve.
In view of this, the present inventor furthers investigate, a kind of flue gas of this case is obtained then and removes nitrogen oxides flue.
Utility model content
The main purpose of the utility model is to provide a kind of flue gases to remove nitrogen oxides flue, and having can be to flue gas
It allows the mixing of flue gas and ammonia more uniform while being dusted, effectively reduces the investment and operating cost for removing nitrogen oxides
Advantage.
In order to achieve the above objectives, the solution of the utility model is：
A kind of flue gas removes nitrogen oxides flue, including mixing section, and the mixing section is horizontally disposed, the mixing section include according to
Leading portion, stage casing and the back segment of secondary connection are provided with spray ammonia component in the leading portion, flow-disturbing component, institute are provided in the back segment
The caliber for stating stage casing is less than the caliber of the leading portion and back segment, and the flow-disturbing component includes several spoilers, several flow-disturbings
The plate face of plate meets the direction to flow of flue gas, and several spoilers are divided into multiple flow-disturbing board groups, the multiple flow-disturbing board group edge
The longitudinal direction of the leading portion is set up in parallel, and the flow-disturbing board group includes at least two flow-disturbings being laterally set up in parallel along the leading portion
Plate, forms flow-disturbing gap in same group between adjacent two spoiler, in adjacent two flow-disturbings board group, the flow-disturbing gap of one of which with
The lengthwise position in another group of flow-disturbing gap is staggered.
It is further to improve：The plate face of several spoilers is cambered surface, and the intrados of the cambered surface is met to flue gas stream
Dynamic direction.
It is further to improve：The spray ammonia component includes ammonia delivery pipe and multiple ammonia nozzles, the multiple ammonia spray
Mouth is uniformly set in the ammonia delivery pipe.
It is further to improve：Back taper ash bucket is provided with below the back segment, the ash bucket is removable with the back segment
Unload connection.
It is further to improve：The vertex of a cone position of the ash bucket is provided with outlet, and the outlet port is provided with for exporting
The bolt of keying.
A kind of flue gas described in the utility model removes nitrogen oxides flue when in use, before flue gas first flows through mixing section
Section, the ammonia sprayed with spray ammonia component mix, and then by stage casing, since the caliber in stage casing is smaller, flue gas and ammonia gather suddenly
Collection, the two can be mixed more thoroughly, then can be by back segment, and in back segment, flue gas flows through spoiler, and particle is larger
Dust falls under gravity after spoiler stops.Due to being integrated with dedusting, the functions such as stream and mixing, effectively
Reduce investment and the operating cost of denitrification.
Description of the drawings
Fig. 1 is that the utility model is related to the vertical views that a kind of flue gas removes nitrogen oxides flue mixing section.
Fig. 2 is that the utility model is related to the front views that a kind of flue gas removes nitrogen oxides flue mixing section.
In figure：
Leading portion -1；Ammonia delivery pipe -11；Ammonia nozzle -12；
Stage casing -2；Back segment -3；Spoiler -31；
Flow-disturbing gap -32；Ash bucket -33；Outlet -331；
Bolt -332.
Specific implementation mode
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, it is fully described by, 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 in the premise for not making creative work
Lower obtained every other embodiment, belongs to the range of the protection of the utility model.
As shown in Figure 1 and Figure 2, a kind of flue gas removes nitrogen oxides flue, including mixing section, and the mixing section is horizontally disposed, institute
It includes sequentially connected leading portion 1, stage casing 2 and back segment 3 to state mixing section, and spray ammonia component, the back segment 3 are provided in the leading portion 1
In be provided with flow-disturbing component, the caliber in the stage casing 2 is less than the caliber of the leading portion 1 and back segment 3, and the flow direction of flue gas is figure
Direction shown in arrow in 1, by the leading portion 1 followed by stage casing 2 and back segment 3, in the leading portion 1, flue gas and the spray ammonia
The ammonia sprayed in component carries out entering the stage casing 2 after tentatively mixing, since the caliber in the stage casing 2 is less than the leading portion 1
With the caliber of back segment 3, so in stage casing 2, flue gas and ammonia can be assembled suddenly, further be mixed in accumulation process, pass through
After this process, the mixed gas of flue gas and ammonia reaches the back segment 3, by the flow-disturbing component to flue gas and ammonia into advancing one
Step mixing.
The flow-disturbing component includes several spoilers 31, and the plate face of several spoilers 31 meets the side to flow of flue gas
To several spoilers 31 are divided into multiple flow-disturbing board groups, and the multiple flow-disturbing board group is set side by side along the longitudinal direction of the leading portion 1
It sets, the flow-disturbing board group includes at least two spoilers 31 being laterally set up in parallel along the leading portion 1, and adjacent two disturb in same group
Form flow-disturbing gap 32 between flowing plate 31, in adjacent two flow-disturbings board group, the flow-disturbing gap 32 of one of which and another group of flow-disturbing
The lengthwise position in gap 32 is staggered, and after setting in this way, the mixed gas of flue gas and ammonia is due to the spoiler 31
Blocking, can only pass through from the flow-disturbing gap 32, and in the process, flue gas and ammonia carry out further mixing mixing, meanwhile,
Due to the blocking of the spoiler 31, the large particle in flue gas is blocked, vertical to fall.
Specifically, the plate face of several spoilers 31 is cambered surface, and the intrados of the cambered surface is met to flow of flue gas
Direction, setting in this way, the mixed gas of flue gas and ammonia can flows through after intrados aggregation between the flow-disturbing
Gap 32 can further mix flue gas and ammonia in accumulation process.
The spray ammonia component includes ammonia delivery pipe 11 and multiple ammonia nozzles 12, and the multiple ammonia nozzle 12 is uniformly set
In in the ammonia delivery pipe 11.
The lower section of the back segment 3 is provided with back taper ash bucket 33, and the ash bucket 33 is to be detachably connected with the back segment 3,
The vertex of a cone position of the ash bucket 33 is provided with outlet 331, and 331 positions of the outlet are provided with the bolt for exporting 331 keyings
332, it is fallen into the ash bucket 33 by the large particle that the spoiler 31 stops, when the bolt 332 is inserted into, the outlet
331 close, and when the bolt 332 is extracted, the outlet 331 is opened, in order to the cleaning of ash bucket 33.
The product form and style of above-described embodiment and schema and non-limiting the utility model, any technical field
The appropriate changes or modifications that those of ordinary skill does it all should be regarded as the patent category for not departing from the utility model.
Claims (5)
1. a kind of flue gas removes nitrogen oxides flue, it is characterised in that：Including mixing section, the mixing section is horizontally disposed, described mixed
It includes sequentially connected leading portion, stage casing and back segment to close section, and spray ammonia component is provided in the leading portion, is arranged in the back segment and thankss for your hospitality
Component is flowed, the caliber in the stage casing is less than the caliber of the leading portion and back segment, and the flow-disturbing component includes several spoilers, described
The plate face of several spoilers meets the direction to flow of flue gas, and several spoilers are divided into multiple flow-disturbing board groups, the multiple to disturb
Flowing plate group is set up in parallel along the longitudinal direction of the leading portion, and the flow-disturbing board group is laterally set up in parallel including at least two along the leading portion
Spoiler, form flow-disturbing gap in same group between adjacent two spoiler, in adjacent two flow-disturbings board group, the flow-disturbing of one of which
The lengthwise position in gap and another group of flow-disturbing gap is staggered.
2. a kind of flue gas removes nitrogen oxides flue according to claim 1, it is characterised in that：The plate face of several spoilers
It is cambered surface, the intrados of the cambered surface meets the direction to flow of flue gas.
3. a kind of flue gas removes nitrogen oxides flue according to claim 1, it is characterised in that：The spray ammonia component includes ammonia
Delivery pipe and multiple ammonia nozzles, the multiple ammonia nozzle are uniformly set in the ammonia delivery pipe.
4. removing nitrogen oxides flue according to a kind of any one of claims 1 to 3 flue gas, it is characterised in that：The back segment
Lower section be provided with back taper ash bucket, the ash bucket is to be detachably connected with the back segment.
5. a kind of flue gas removes nitrogen oxides flue according to claim 4, it is characterised in that：The vertex of a cone position of the ash bucket is set
It is equipped with outlet, the outlet port is provided with for exporting the bolt opened and closed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721778866.0U CN207708816U (en) | 2017-12-19 | 2017-12-19 | A kind of flue gas removes nitrogen oxides flue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721778866.0U CN207708816U (en) | 2017-12-19 | 2017-12-19 | A kind of flue gas removes nitrogen oxides flue |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207708816U true CN207708816U (en) | 2018-08-10 |
Family
ID=63056350
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721778866.0U Expired - Fee Related CN207708816U (en) | 2017-12-19 | 2017-12-19 | A kind of flue gas removes nitrogen oxides flue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207708816U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432978A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | A kind of denitration flue gas disturbance device |
-
2017
- 2017-12-19 CN CN201721778866.0U patent/CN207708816U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109432978A (en) * | 2018-12-28 | 2019-03-08 | 启明星宇节能科技股份有限公司 | A kind of denitration flue gas disturbance device |
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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 |
Granted publication date: 20180810 Termination date: 20201219 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |