CN205650042U - Special spray gun of circulating fluidized bed boiler denitration - Google Patents
Special spray gun of circulating fluidized bed boiler denitration Download PDFInfo
- Publication number
- CN205650042U CN205650042U CN201620507899.0U CN201620507899U CN205650042U CN 205650042 U CN205650042 U CN 205650042U CN 201620507899 U CN201620507899 U CN 201620507899U CN 205650042 U CN205650042 U CN 205650042U
- Authority
- CN
- China
- Prior art keywords
- joint
- interface
- cavity
- spray gun
- nozzle
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Nozzles (AREA)
Abstract
The utility model provides a special spray gun of circulating fluidized bed boiler denitration, the utility model relates to a denitration spray gun, by the cavity, the body, the sleeve pipe, first joint, the second connects, the nozzle, interface and the feed liquor interface of admitting air constitutes, it is equipped with the intake pipe on the interface to admit air, be equipped with the feed liquor pipe on the feed liquor interface, be equipped with the body on the cavity, interface and feed liquor interface admit air, body one end is connected with the cavity, the body other end is equipped with the nozzle, be equipped with admit air interface and feed liquor interface on the lateral surface of cavity, the cover has the sleeve pipe on the body, be equipped with first joint on the sleeve pipe, be equipped with the depression bar on the first joint, it connects to be equipped with the second on the first joint, first joint and second connect all the cover on the body, the utility model discloses the practicality is strong, use and install all fairly simple, not only can be effectual to carry out the high efficiency to the circulating fluidized bed boiler out of stock, prolonged the life of spray gun moreover, improved atomization effect, reduced the degree of wear of nozzle for high -efficient, stable, the safe and economic operation of deNOx systems.
Description
[technical field]
This utility model relates to a kind of denitration spray gun, especially relates to a kind of CFBB denitration
Spray gun special.
[background technology]
Known, China is coal-fired big country, and energy resource consumption increases year by year, desulphurization and denitration, demercuration etc.
Improvement be the extremely urgent main task of industrial undertaking, but CFBB takes off at present
There is a lot of problem, such as spray gun and wear and tear in nitre, the problems such as castable comes off, and reducing agent consumption is big,
Not only become the economic loss for unit, the most also bring great difficulty for country's air contaminant treatment,
The problem that present stage CFBB denitration exists:
1, denitration spray gun service life is short, wear no resistance, temperature tolerance is low；
2, atomizing effect rifle bad, stifled, skinning, nozzle wear is serious, be difficult to change；
3, reducing agent consumption is big, boiler hot loss is big, the escaping of ammonia is high；
4, upstream device seriously corroded, empty expection dust stratification blocking, castable come off；
5, technical staff's workload is big, denitration Frequent Accidents, entreprise cost persistently increase；
6, denitrating system can not efficiently, stable, safety, economical operation.
[utility model content]
In order to overcome the deficiency in background technology, the utility model discloses a kind of CFBB
Denitration spray gun special, this utility model arranges body on cavity by rear mixing arrangement, body sets
Put sleeve pipe, the first joint, the second joint and nozzle, reach high efficiency for circulating fluidized bed boiler with this and take off
The purpose of nitre.
In order to realize described utility model purpose, this utility model adopts the following technical scheme that
A kind of special denitration spray gun of CFBB, including cavity, body, sleeve pipe, first connects
Head, the second joint, nozzle, intake interface and feed liquor interface, intake interface is provided with air inlet pipe, enters
Liquid interface is provided with feed tube, is provided with body, intake interface and feed liquor interface, body one on cavity
End be connected with cavity, the body other end is provided with nozzle, the lateral surface of cavity be provided with intake interface with
Feed liquor interface, is cased with sleeve pipe on body, and sleeve pipe is provided with the first joint, and the first joint is provided with pressure
Bar, the first joint is provided with the second joint, and the first described joint and the second joint are all enclosed within body.
Described cavity is column type or prismatic structure, is provided with nebulizer in cavity, one end of cavity with
One end of body is connected, and the lateral surface of cavity is respectively equipped with intake interface and feed liquor interface.
Described body is that the diameter of column type or prismatic structure, body and nozzle is respectively less than the straight of sleeve pipe
Footpath.
The lateral surface of described first joint is provided with at least depression bar, and depression bar passes through fixed block and first
Joint is connected.
One end of described second joint is connected with one end of the first joint, and the second joint is provided with fixing
Hole, is provided with trip bolt in fixing hole.
Described nozzle cage is on body, and nozzle is connected with body, is provided with at least two passages in nozzle.
One end of described feed tube and one end of air inlet pipe are all by silk and feed liquor interface and air inlet connecting
Mouth is connected, and the two ends to silk are spherical structure, and the other end of feed tube and the other end of air inlet pipe are equal
By silk is connected with filter.
Described filter is provided with valve, and valve is by being connected with filter to silk.
Owing to have employed technique scheme, this utility model has the advantages that
A kind of special denitration spray gun of CFBB described in the utility model, including cavity, pipe
Body, sleeve pipe, the first joint, the second joint, nozzle, intake interface and feed liquor interface, by chamber
Body is set on body, body arranges sleeve pipe, the first joint, the second joint and nozzle, reaches with this
Purpose to high efficiency for circulating fluidized bed boiler denitration；This utility model is practical, uses and has installed
Come the most fairly simple, not only effectively CFBB can be carried out NO_x Reduction by Effective, Er Qieyan
Grow the service life of spray gun, improve atomizing effect, reduced the degree of wear of nozzle, the most more
Change part to be more prone to, saved production cost, additionally decrease working procedure, reduce in work
Accident so that the operation that denitrating system is efficient, stable, safe and economic.
[accompanying drawing explanation]
Fig. 1 is this utility model perspective view；
In figure: 1, trip bolt；2, sleeve pipe；3, body；4, nozzle；5, joint；6, pressure
Bar；7, cavity；8, intake interface；9, feed liquor interface；10, feed tube；11, air inlet pipe；12、
Filter；13, valve.
[detailed description of the invention]
Explanation this utility model that can be detailed by the following examples, discloses mesh of the present utility model
Be intended to protect all technological improvements in the range of this utility model.
In conjunction with the special denitration spray gun of a kind of CFBB described in accompanying drawing 1, including cavity 7,
Body 3, sleeve pipe the 2, first joint the 5, second joint 14, nozzle 4, intake interface 8 and feed liquor
Interface 9, intake interface 8 is provided with air inlet pipe 11, and feed liquor interface 9 is provided with feed tube 10,
Cavity 7 is provided with body 3, intake interface 8 and feed liquor interface 9, body 3 one end and cavity 7 phase
Connecting, body 3 other end is provided with nozzle 4, and the lateral surface of cavity 7 is provided with intake interface 8 and enters
Liquid interface 9, is cased with sleeve pipe 2 on body 3, and sleeve pipe 2 is provided with the first joint 5, the first joint 5
Being provided with depression bar 6, the first joint 5 is provided with the second joint 14, the first described joint 5 and second
Joint 14 is all enclosed within body 3；Described cavity 7 is column type or prismatic structure, in cavity 7
Being provided with nebulizer, one end of cavity 7 is connected with one end of body 3, and the lateral surface of cavity 7 divides
It is not provided with intake interface 8 and feed liquor interface 9；Described body 3 is column type or prismatic structure, pipe
The diameter of body 3 and nozzle 4 is less than the diameter of respectively less than sleeve pipe 2；The lateral surface of described first joint 5
Being provided with at least depression bar 6, depression bar 6 is connected by fixed block and the first joint 5；Described
One end of two joints 14 is connected with one end of the first joint 5, and the second joint 14 is provided with fixing hole,
Trip bolt 1 it is provided with in fixing hole；Described nozzle 4 is enclosed within body, and nozzle 4 is connected with body 3
Logical, it is provided with at least two passages in nozzle 4；One end of described feed tube 10 and the one of air inlet pipe 11
The two ends of silk, all by being connected silk with feed liquor interface 9 and intake interface 8, are tied by end for sphere
Structure, the other end of feed tube 10 and the other end of air inlet pipe 11 are all by silk and filter 12 phase
Connect；Described filter 12 is provided with valve 13, and valve 13 is by being connected with filter 12 to silk
Connect.
Embodiment 1, implements a kind of CFBB special denitration spray described in the utility model
Rifle, is first connected sleeve pipe 2 with the furnace wall of CFBB by boxing mode, then by
One joint 5 is connected with sleeve pipe 2, and the second joint 14 is connected with the first joint 5 so that sleeve pipe
2, the first joint 5 and the second joint 14 form a big sleeve pipe, and the first joint 5 is by depression bar 6
First sleeve 5 is fixed with sleeve pipe 2, the second joint 14 by the way of wire connection with the first joint
5 are connected, and the most just can body 3 and nozzle 4 be inserted in sleeve pipe 2, and nozzle 4 passes through
Sleeve pipe 2 can enter directly in body of heater, and the trip bolt 1 on the second joint 14 can be fine
Body 3 is fixed up, the generation of Accident prevention, in use, by air inlet pipe 11 with enter
Liquid pipe 10 is connected with the intake interface 8 on cavity 7 and feed liquor interface 9 respectively, is passing through feed liquor
Filter 12 and valve 13 on pipe 10 and air inlet pipe 11 regulate the liquids and gases sprayed into,
Electromagnetic valve can also be installed additional in air inlet pipe 11 and feed tube 10, the most safe and reliable,
Prevent the generation of accident greatly, owing to nozzle 4 is enclosed within body 3 above, nozzle 4 and pipe
Body is connected to again to lead to, and therefore nozzle 4 and body 3 can form dual jet pipe, thus make
Mist field after spraying is more uniform, greatly improves the effect of atomization, additionally, due to body 3
Length can be adjusted, therefore body 3 is so that nozzle 4 extend in the flue of boiler,
The reducing agent making flue gas and ejection is sufficiently mixed, and also improves the effect of spraying while increasing the life-span
Really, additionally in cavity 7, nebulizer is set, therefore, the obstructed overspray of reducing agent of ejection in body 3
Mouth 4 is atomized, but by being atomized in cavity 7, such cavity 7 away from the high temperature of body of heater,
Extend the service life of spray gun the most greatly, simultaneously, it is not required that when not using
Body 3 pulled out in body of heater, to greatly simplify operation sequence.
The non-detailed portion of this utility model is prior art, specifically shows although combining preferred embodiment
With describe this utility model, implement this technical scheme method and approach a lot, the above is only
It is preferred implementation of the present utility model, but those skilled in the art should be understood that and do not taking off
In the spirit and scope of the present utility model that appended claims is limited, in form and details
On this utility model can be made a variety of changes, be protection domain of the present utility model.
Claims (8)
1. a CFBB denitration spray gun special, including cavity, body, sleeve pipe, first
Joint, the second joint, nozzle, intake interface and feed liquor interface, intake interface is provided with air inlet pipe,
Feed liquor interface is provided with feed tube, it is characterized in that: be provided with body, intake interface and feed liquor on cavity
Interface, body one end is connected with cavity, and the body other end is provided with nozzle, and the lateral surface of cavity sets
Having intake interface and feed liquor interface, be cased with sleeve pipe on body, sleeve pipe is provided with the first joint, and first
Joint is provided with depression bar, and the first joint is provided with the second joint, the first described joint and the second joint
All it is enclosed within body.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
Be: described cavity is column type or prismatic structure, in cavity, be provided with nebulizer, one end of cavity with
One end of body is connected, and the lateral surface of cavity is respectively equipped with intake interface and feed liquor interface.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
It is: described body is that the diameter of column type or prismatic structure, body and nozzle is respectively less than the straight of sleeve pipe
Footpath.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
It is: the lateral surface of described first joint is provided with at least depression bar that depression bar passes through fixed block and first
Joint is connected.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
It is: one end of described second joint is connected with one end of the first joint, and the second joint is provided with fixing
Hole, is provided with trip bolt in fixing hole.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
It is: described nozzle cage is on body, and nozzle is connected with body, in nozzle, is provided with at least two passages.
A kind of CFBB denitration spray gun special the most according to claim 1, its feature
It is: one end of described feed tube and one end of air inlet pipe are all by silk and feed liquor interface and intake interface
Being connected, the two ends to silk are spherical structure, and the other end of feed tube and the other end of air inlet pipe are the most logical
Cross and silk is connected with filter.
A kind of CFBB denitration spray gun special the most according to claim 7, its feature
Being: described filter is provided with valve, valve is by being connected with filter to silk.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507899.0U CN205650042U (en) | 2016-05-30 | 2016-05-30 | Special spray gun of circulating fluidized bed boiler denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620507899.0U CN205650042U (en) | 2016-05-30 | 2016-05-30 | Special spray gun of circulating fluidized bed boiler denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205650042U true CN205650042U (en) | 2016-10-19 |
Family
ID=57404697
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620507899.0U Expired - Fee Related CN205650042U (en) | 2016-05-30 | 2016-05-30 | Special spray gun of circulating fluidized bed boiler denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205650042U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649302A (en) * | 2017-10-18 | 2018-02-02 | 上海合全医药有限公司 | A kind of bed spray device and its application method |
| CN108115106A (en) * | 2018-01-25 | 2018-06-05 | 温岭立骅机械有限公司 | Die casting machine and its automatic spray apparatus |
-
2016
- 2016-05-30 CN CN201620507899.0U patent/CN205650042U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107649302A (en) * | 2017-10-18 | 2018-02-02 | 上海合全医药有限公司 | A kind of bed spray device and its application method |
| CN108115106A (en) * | 2018-01-25 | 2018-06-05 | 温岭立骅机械有限公司 | Die casting machine and its automatic spray apparatus |
| CN108115106B (en) * | 2018-01-25 | 2024-05-17 | 温岭立骅机械有限公司 | Die casting machine and automatic spraying device thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102160964B (en) | Selective non-catalytic reduction (SNCR) denitration multi-nozzle long-gun injector | |
| CN201394414Y (en) | Injection ammonia-spray mixing mechanism of SCR reaction device | |
| CN202823144U (en) | Spray gun used for selective non-catalytic reduction (SNCR) and SNCR-selective catalytic reduction (SCR) denitration | |
| CN102794106A (en) | Method and device for spraying reducing agent used for selective catalytic reduction (SCR) of NOx | |
| CN104353567B (en) | High pressure fine water fog spraying gun for SNCR denitration system | |
| CN103657385A (en) | Double-atomization spray gun for SNCR (selective non-catalytic reduction) denitration system | |
| CN211098424U (en) | Double-fluid denitration spray gun | |
| CN205650042U (en) | Special spray gun of circulating fluidized bed boiler denitration | |
| CN205133164U (en) | System for utilize boiler bypass to carry out urea pyrolysis system ammonia | |
| CN208493767U (en) | A kind of efficient boiler denitrification apparatus | |
| CN202844886U (en) | Direct ammonia water injection type flue gas denitration device for waste heat boiler | |
| CN204672469U (en) | A kind of SNCR of being applicable to technique carries out injector and the boiler by spraying structure of denitrating flue gas | |
| CN204276205U (en) | A kind of high pressure fine water fog spraying gun for SNCR denitration system | |
| CN102688681A (en) | Air cooling type air atomization spray gun applicable to denitration by SNCR (selective non-catalytic reduction) method | |
| CN203886401U (en) | Boiler flue gas denitration system adopting SCR process | |
| CN109364712B (en) | Flue gas cooling type steam atomization spray gun suitable for SNCR (selective non-catalytic reduction) denitration | |
| CN101879401B (en) | Reducing agent injection mechanism suitable for SCR reactor | |
| CN104624425A (en) | Air atomization spray gun for denitration | |
| CN202762311U (en) | Spraying device for selective catalytic reduction (SCR) denitration reducing agent | |
| CN104386708B (en) | A kind of urea hydrolysis ammonia producing system being applied to thermal power plant's denitration and technique | |
| CN207169394U (en) | A kind of removing sulfur trioxide device suitable for large scale section flue | |
| CN217511560U (en) | Clinker workshop denitrification facility | |
| CN206980456U (en) | The supersonic atomizer of denitration ammoniacal liquor | |
| CN202606018U (en) | Air-cooling type air-atomizing spraying gun | |
| CN208212868U (en) | A kind of SNCR denitrification spray gun |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20161019 Termination date: 20190530 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |