CN206391873U - Denitration device - Google Patents
Denitration device Download PDFInfo
- Publication number
- CN206391873U CN206391873U CN201621469167.3U CN201621469167U CN206391873U CN 206391873 U CN206391873 U CN 206391873U CN 201621469167 U CN201621469167 U CN 201621469167U CN 206391873 U CN206391873 U CN 206391873U
- Authority
- CN
- China
- Prior art keywords
- boiler
- fixed cover
- gun body
- denitration device
- controller
- 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
- 150000001875 compounds Chemical class 0.000 claims abstract description 19
- 239000007789 gas Substances 0.000 claims abstract description 15
- 239000007788 liquid Substances 0.000 claims abstract description 12
- 238000001816 cooling Methods 0.000 claims abstract description 6
- 239000000112 cooling gas Substances 0.000 claims abstract description 5
- 239000007921 spray Substances 0.000 claims description 11
- 230000008676 import Effects 0.000 claims description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 4
- 230000001681 protective effect Effects 0.000 claims description 2
- 239000007787 solid Substances 0.000 claims 1
- 230000036413 temperature sense Effects 0.000 claims 1
- 239000000498 cooling water Substances 0.000 abstract description 5
- 238000012544 monitoring process Methods 0.000 abstract description 4
- 230000006978 adaptation Effects 0.000 abstract description 3
- 239000003638 chemical reducing agent Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 238000006722 reduction reaction Methods 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002803 fossil fuel Substances 0.000 description 1
- 239000000446 fuel Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
Landscapes
- Treating Waste Gases (AREA)
Abstract
The utility model provides a kind of denitration device, including a controller, the controller is connected with flexible cylinder, a temperature inductor and an itrated compound inductor, the flexible cylinder connects a gun body, gas access and liquid inlet on the gun body, and cooling gas, cooling water inlet.Denitration device of the present utility model is monitored provided with temperature inductor to the temperature in boiler, and the itrated compound concentration in boiler is monitored provided with itrated compound inductor in boiler, data obtained by monitoring reflect onto controller, the controller starts flexible cylinder and control cooling water and the entrance for cooling down gas according to data, so that the temperature and itrated compound concentration in boiler are in the range of adaptation, so as to improve the efficiency of denitration, the pollution of environment is reduced, it is cost-effective.
Description
Technical field
The utility model is related to a kind of denitration device, especially a kind of denitration device with spray gun.
Background technology
With the raising of environmental protection standard, the fossil fuels such as coal are typically reduced using denitration technology and are produced in combustion
The discharge capacity of raw nitrogen oxides, at present, the main selective noncatalytic reduction of main flow denitration technology（SNCR）Or selectivity
Catalytic reduction method（SCR）, it uses ammoniacal liquor or urea etc. as denitrification reducing agent, and denitrification reducing agent is injected into pot by spray gun
In stove or dore furnace, for denitrfying agent reduction NOx reactions, its preference temperature is 900 DEG C -1100 DEG C, in this temperature range,
Denitration efficiency highest.
In the prior art, all without band temp probe on SNCR or SCR denitration technology, spray gun, so, spray gun is in court
During spraying into denitrification reducing agent in boiler or dore furnace, the operating experience of staff is fully relied on, is failed according to boiler
Or the temperature change in dore furnace, the injection rate of adjust automatically denitrification reducing agent, so that denitration efficiency is leveraged, also,
When the injection rate of denitrification reducing agent is larger, first, the cost of denitrification reducing agent is higher；Secondly, denitrification reducing agent is heated to
Reaction temperature, then need to consume substantial amounts of fuel, that is, the coal consumption of boiler or dore furnace is also larger, so as to cause whole de-
The operation cost of nitre system is higher.
Utility model content
The utility model provides a kind of denitration efficiency high denitration device.
The technical solution adopted in the utility model is：A kind of denitration device, including：One gun body, the gun body
It is installed in a mounting seat, the mounting seat is provided with flexible a cylinder and a fixed cover, and the flexible cylinder is provided with a control
Device processed；The flexible cylinder is connected by a connecting rod with one end of the gun body, and the other end of the gun body is stretched into
In the fixed cover, the fixed cover is connected with a boiler, and the spray gun can be entered in the boiler by fixed cover；The pot
An itrated compound inductor is provided with stove, the itrated compound inductor is connected with the controller, provided with a temperature in the fixed cover
Inductor is spent, the temperature inductor is connected with the controller；The fixed cover is provided with a cooling gas entrance；The spray gun
Body one end is provided with a blender, and the blender is provided with a gas access and a liquid inlet, the gas access and institute
Liquid inlet is stated to be interconnected；Described blender one end connects a hold-down bars, and the other end connects a jet pipe, the hold-down bars and institute
State and connect a quick connector main body on connecting rod connection, the jet pipe, the quick connector main body is connected with the fixed cover；It is described
It is provided with jet pipe in a protection sleeve pipe, the protection sleeve pipe and is provided with an inner tube, said inner tube is provided with a nozzle, the protective case
Pipe is externally provided with one and leans on water cooling tube.
Further, described blender one end is provided with a cap, and the cap is connected with the hold-down bars.
Further, it is provided with the blender in an air cavity, the air cavity provided with an import, a first outlet and 1 the
Two outlets, the import is connected with the gas access, and the first outlet connects a first passage, the second outlet connection
One second channel.
Further, the liquid inlet is connected with the first passage, and the first passage is connected with said inner tube.
Further, the second channel is connected with the fixed cover.
Further, the fixed cover is welded on the boiler.
Compared to prior art, denitration device of the present utility model is carried out provided with temperature inductor to the temperature in boiler
The itrated compound concentration in boiler is monitored provided with itrated compound inductor in monitoring, and boiler, the data obtained by monitoring are anti-
Reflect on controller, the controller starts flexible cylinder and control cooling water and the entrance for cooling down gas according to data, makes
The temperature and itrated compound concentration in boiler are obtained in the range of adaptation, so as to improve the efficiency of denitration, the pollution of environment is reduced,
It is cost-effective.
Brief description of the drawings
Accompanying drawing is to be further understood for providing to of the present utility model, and constitutes a part for specification, and following
Embodiment is used to explain the utility model together, but should not constitute to limitation of the present utility model.In the accompanying drawings,
Fig. 1：The structural representation of the utility model denitration device；
Fig. 2：The structural representation of the spray gun of the utility model denitration device.
Each component names and its label
Gun body 1
Blender 2
Gas access 3
Liquid inlet 4
Hold-down bars 5
Jet pipe 6
Quick connector main body 7
Protection sleeve pipe 8
Inner tube 9
Nozzle 10
By water cooling tube 11
Cap 12
Mounting seat 13
Flexible cylinder 14
Connecting rod 15
Fixed cover 16
Cool down gas entrance 17
Itrated compound inductor 18
Temperature inductor 19
Controller 20
Boiler 21
Embodiment
Embodiment of the present utility model is described in detail below in conjunction with accompanying drawing.It should be appreciated that herein
Described embodiment is merely to illustrate and explained the utility model, is not limited to the utility model.
As depicted in figs. 1 and 2, denitration device of the present utility model, including：One gun body 1, the gun body 1 is pacified
Loaded in a mounting seat 13, the mounting seat 13 is provided with a flexible fixed cover 16 of cylinder 14 and one, the flexible cylinder 14
Provided with a controller 20, the fixed cover 16 is fixed and is welded on boiler 21.
The flexible cylinder 14 is connected by a connecting rod 15 with one end of the gun body 1, the gun body 1 it is another
One end is stretched into the fixed cover 16, and the fixed cover 16 is connected with a boiler 21, and the gun body 1 can pass through fixed cover 16
Into in the boiler 21, the fixed cover 16 is provided with a cooling gas entrance 17.The connecting rod 15 drives the gun body
1, make it movable in the fixed cover 16.An itrated compound inductor 18, the itrated compound inductor are provided with the boiler 21
18 are connected with the controller 20, when the itrated compound concentration that itrated compound inductor 18 is monitored in boiler 21 is higher, the control
Device 20 starts the flexible cylinder 14, and the gun body 1 is stretched into the boiler 21, and the gun body 1 is to boiler 21
Sprayed.A temperature inductor 19 is provided with the fixed cover 16, the temperature inductor 19 is connected with the controller 20,
When the temperature that temperature inductor 19 is monitored in boiler 21 is too high, the controller 20 starts the flexible cylinder 14, by institute
State gun body 1 to stretch into the boiler 21, the spray gun adds cooling gas and cooling water, and the gun body 1 is to boiler
21 are sprayed the temperature reduction in boiler 21.
Described one end of gun body 1 is provided with a blender 2, and the blender 2 enters provided with a gas access 3 and a liquid
Mouth 4, the gas access 3 is interconnected with the liquid inlet 4.Described one end of blender 2 connects a hold-down bars 5, the other end
A jet pipe 6 is connected, the hold-down bars 5 is connected with the connecting rod 15, the connecting rod 15 drives the hold-down bars 5 so that the spray gun
Body 1 is movable in the fixed cover 16.Described one end of blender 2 is provided with a cap 12, the cap 12 and the hold-down bars 5
Connection.It is provided with the blender 2 in an air cavity, the air cavity and is provided with an import, a first outlet and a second outlet, it is described
Import is connected with the gas access 3, and the first outlet connects a first passage, and the second outlet connection one second is led to
Road.The liquid inlet 4 is connected with the first passage, and the first passage is connected with said inner tube 9, in the first passage
Out be gas-liquid mixture.The second channel is connected with the fixed cover 16, and boiler 21 is cooled down.
A quick connector main body 7 is connected on the jet pipe 6, the quick connector main body 7 is connected with the fixed cover 16.Institute
State to be provided with a protection sleeve pipe 8, the protection sleeve pipe 8 in jet pipe 6 and be provided with an inner tube 9, said inner tube 9 is provided with a nozzle 10,
The nozzle 10 sprays mist into the boiler 21, and the protection sleeve pipe 8 is externally provided with one and leans on water cooling tube 11, can be to gun body 1
Cooled down so that the mist of ejection is cold, for boiler 21 to be cooled so that the temperature in boiler 21 is in suitable scope
It is interior.
To sum up, denitration device of the present utility model is monitored provided with temperature inductor 19 to the temperature in boiler, with
And the itrated compound concentration in boiler 21 is monitored provided with itrated compound inductor 18 in boiler 21, the data reflection obtained by monitoring
Onto controller 20, the controller 20 starts flexible cylinder 14 and control cooling water according to data and cools down entering for gas
Enter so that the temperature and itrated compound concentration in boiler 21 are in the range of adaptation, so as to improve the efficiency of denitration, reduce environment
Pollution, it is cost-effective.
Various not be the same as Examples of the present utility model are carried out any group by the thought created without departing from the utility model
Close, should be considered as the utility model disclosure；In range of the technology design of the present utility model, technical scheme is carried out
Any combination for the thought created without prejudice to the utility model that a variety of simple modifications and non-be the same as Example are carried out, all should be at this
Within the protection domain of utility model.
Claims (6)
1. a kind of denitration device, it is characterised in that including：One gun body, the gun body is installed in a mounting seat, institute
Mounting seat is stated provided with flexible a cylinder and a fixed cover, the flexible cylinder is provided with a controller；The flexible cylinder leads to
One end that a connecting rod is crossed with the gun body is connected, and the other end of the gun body is stretched into the fixed cover, described solid
Fixed set is connected with a boiler, and the spray gun can be entered in the boiler by fixed cover；An itrated compound sense is provided with the boiler
Device is answered, the itrated compound inductor is connected with the controller, a temperature inductor, the temperature sense are provided with the fixed cover
Device is answered to be connected with the controller；The fixed cover is provided with a cooling gas entrance；Described gun body one end is provided with a mixing
Device, the blender is provided with a gas access and a liquid inlet, and the gas access is interconnected with the liquid inlet；
Described blender one end connects a hold-down bars, and the other end connects a jet pipe, and the hold-down bars is connected with the connecting rod, the jet pipe
One quick connector main body of upper connection, the quick connector main body is connected with the fixed cover；A protective case is provided with the jet pipe
An inner tube is provided with pipe, the protection sleeve pipe, said inner tube is provided with a nozzle, and the protection sleeve pipe is externally provided with one and leans on water cooling
Pipe.
2. denitration device as claimed in claim 1, it is characterised in that：Described blender one end is provided with a cap, the cap
It is connected with the hold-down bars.
3. denitration device as claimed in claim 1, it is characterised in that：It is provided with the blender in an air cavity, the air cavity
Provided with an import, a first outlet and a second outlet, the import is connected with the gas access, the first outlet connection
One first passage, the second outlet connects a second channel.
4. denitration device as claimed in claim 3, it is characterised in that：The liquid inlet is connected with the first passage, institute
First passage is stated to connect with said inner tube.
5. denitration device as claimed in claim 3, it is characterised in that：The second channel is connected with the fixed cover.
6. denitration device as claimed in claim 1, it is characterised in that：The fixed cover is welded on the boiler.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469167.3U CN206391873U (en) | 2016-12-30 | 2016-12-30 | Denitration device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621469167.3U CN206391873U (en) | 2016-12-30 | 2016-12-30 | Denitration device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206391873U true CN206391873U (en) | 2017-08-11 |
Family
ID=59516523
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621469167.3U Expired - Fee Related CN206391873U (en) | 2016-12-30 | 2016-12-30 | Denitration device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206391873U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787203A (en) * | 2018-06-29 | 2018-11-13 | 亚德（上海）环保系统有限公司 | A kind of spray gun for denitrification apparatus |
-
2016
- 2016-12-30 CN CN201621469167.3U patent/CN206391873U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108787203A (en) * | 2018-06-29 | 2018-11-13 | 亚德（上海）环保系统有限公司 | A kind of spray gun for denitrification apparatus |
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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: 20170811 |