CN206965492U - The compressed air control system of SNCR denitration - Google Patents
The compressed air control system of SNCR denitration Download PDFInfo
- Publication number
- CN206965492U CN206965492U CN201720616205.1U CN201720616205U CN206965492U CN 206965492 U CN206965492 U CN 206965492U CN 201720616205 U CN201720616205 U CN 201720616205U CN 206965492 U CN206965492 U CN 206965492U
- Authority
- CN
- China
- Prior art keywords
- gas
- valve
- charge
- liquid
- compressed air
- 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
It the utility model is related to a kind of compressed air control system of SNCR denitration, including jet atomization module, air compression module, liquid house steward, liquid are in charge of, liquid tap, gas main, gas are in charge of, gas service pipe and spray gun.Jet atomization module is in charge of by liquid house steward, liquid, liquid tap is connected to the liquid inlet of spray gun.Air compression module is responsible for by gas, gas is in charge of, gas service pipe is connected to the gas access of spray gun.Gas is in charge of provided with magnetic valve and bypass, and magnetic valve is front and rear to be provided with ball valve, and main pressure-reducing valve is provided between the ball valve after magnetic valve and magnetic valve.Bypass is provided with ball valve, and the outlet of ball valve is provided with secondary pressure-reducing valve.The utility model sets pressure-reducing valve by being in charge of and bypassing in gas, optimizes the pipeline flowing of denitrating system compressed air control, solves the problems, such as anti-blocking cooling when spray gun stops injection, while reduce the waste of compressed air.
Description
Technical field
The utility model belongs to industrial smoke processing equipment technical field, is related to a kind of denitration device, and in particular to a kind of
The compressed air control system of SNCR denitration.
Background technology
SNCR denitration system jet module uses Double-fluid injector, reducing agent liquid mist is turned to directly using compressed air
The less drop in footpath, drop fully carry out reduction reaction with the nitrogen oxides in flue gas rapidly, remove the nitrogen oxidation in flue gas
Thing, i.e. denitration.Worked because spray gun is in the work condition environment of high temperature with high dust for a long time, if stopping reducing agent injection simultaneously
Stop the supply of compressed air, on the one hand cause spray gun spray orifice dust stratification to block, spray gun front end on the other hand can be made to be located at high temperature cigarette
In gas, shorten the service life of shower nozzle.Conventional way be do not stop when stopping reducing agent injection compressed air supply or
It is allowed to be passed through a small amount of compressed air using a by-passing valve is crack, causes wasting and wearing the spray orifice of spray gun for compressed air,
The latter is difficult to hold again in practical operation, can not be properly arrived at the anti-blocking purpose that cools, and often occurs bypassing and is closed by scene
Situation about extremely passing through without cooling air, impacts to the normal use of spray gun, have impact on the normal fortune of flue gas denitrification system
OK.
Utility model content
The purpose of this utility model is to provide a kind of compressed air control system of SNCR denitration, optimization denitrating system compression
Air-controlled pipeline flowing, solve the problems, such as anti-blocking cooling when spray gun stops injection, while reduce the waste of compressed air.
The technical solution of the utility model is：The compressed air control system of SNCR denitration, including jet atomization module, sky
Gas compression module, liquid house steward, liquid are in charge of, liquid tap, gas main, gas is in charge of, gas service pipe and spray gun, spray gun are set
There are gas access and liquid inlet.Jet atomization module is connected to liquid by liquid house steward and is in charge of, and liquid, which is in charge of, passes through liquid
Branch pipe is connected to the liquid inlet of spray gun.Air compression module is connected to gas by gas supervisor and is in charge of, and gas, which is in charge of, to be passed through
Gas service pipe is connected to the gas access of spray gun.Gas is in charge of provided with magnetic valve and bypass, and magnetic valve is front and rear to be provided with ball valve, electromagnetism
Main pressure-reducing valve is provided between ball valve after valve and magnetic valve.Bypass is provided with ball valve, and the outlet of ball valve is provided with secondary pressure-reducing valve.
Liquid is in charge of provided with control valve and bypass, and control valve is front and rear to be provided with stop valve, and bypass is provided with stop valve.Liquid tap
Provided with stop valve, y type filters and flowmeter.Gas is in charge of provided with stop valve and y type filters.Compressed air control system is set
There is controller, controller communicates to connect with control valve and magnetic valve.
The compressed air control system of the utility model SNCR denitration sets pressure-reducing valve by being in charge of and bypassing in gas, excellent
The pipeline flowing of denitrating system compressed air control is changed, has solved the problems, such as anti-blocking cooling when spray gun stops injection, subtract simultaneously
The waste of compressed air is lacked.The utility model is simple in construction, and expense is low, easy to operate, implementation easy to spread.
Brief description of the drawings
Fig. 1 is the schematic flow sheet of the compressed air control system of SNCR denitration；
Wherein：1-jet atomization module, 2-liquid are in charge of, 3-control valve, 4-bypass, 5-flowmeter, 6-y type mistakes
Filter, 7-stop valve, 8-spray gun, 9-air compression module, 10-ball valve, 11-gas service pipe, 12-gas is in charge of,
13-secondary pressure-reducing valve, 14-magnetic valve, 15-liquid tap, 16-main pressure-reducing valve.
Embodiment
The utility model is described in detail with reference to embodiment and accompanying drawing.Scope of protection of the utility model is not limited to
Embodiment, those skilled in the art make any change in the range of claim restriction and fall within the utility model protection
Scope.
The compressed air control system of the utility model SNCR denitration is as shown in figure 1, including jet atomization module 1, air
Compression module 9, liquid house steward, liquid are in charge of 2, liquid tap 15, gas main, gas are in charge of 12, gas service pipe 11 and spray gun
8, spray gun is provided with gas access and liquid inlet.Jet atomization module is in charge of by liquid house steward with three road liquid to be connected, per road
Liquid is in charge of provided with three road liquid taps, and liquid is in charge of the liquid inlet that spray gun is connected to by liquid tap.Air compresses mould
Block is in charge of by gas supervisor with three road gases to be connected, and gas is in charge of to be connected with three road gas service pipes, is connected by liquid tap
To the gas access of spray gun.It is in charge of per road gas and is respectively equipped with magnetic valve 14 and bypass 4, magnetic valve is front and rear is provided with ball valve 10, electricity
Main pressure-reducing valve 16 is provided between ball valve after magnet valve and magnetic valve.Bypass is provided with ball valve 10, and the outlet of ball valve is provided with secondary pressure-reducing valve
13.It is in charge of per road liquid provided with control valve 3 and bypass 4, control valve is front and rear to be provided with stop valve 7, and bypass is provided with stop valve.Liquid branch
Pipe 15 is provided with stop valve 7, y type filters 6 and flowmeter 5.Gas is in charge of 12 and is provided with stop valve 7 and y type filters 6.Compression is empty
Gas control system is provided with controller, and controller communicates to connect with control valve 3 and magnetic valve 14.
Main gas circuit of the present utility model uses the structure of ball valve-magnetic valve-main pressure-reducing valve-ball valve, and bypass uses ball valve
The structure of secondary pressure-reducing valve.Right side arrow direction is that gas flows through direction, row of the main pressure-reducing valve in equipment debugging at initial stage phase sets
Atmospheric pressure provides the pressure needed for normal work for spray gun, and the pressure at expulsion that secondary pressure-reducing valve is set provides purging when being disabled as spray gun
Required air pressure.Ball valve is used for special circumstances cut-out pipeline, and all ball valves keep standard-sized sheets among pipeline during normal condition.
During lance ejection reducing agent, the magnetic valve of controller control is opened, compressed air by main pressure-reducing valve, module pressure be spray gun just
Normal operating air pressure, spray gun normal work.When stopping reducing agent injection, controller control closed electromagnetic valve, main pressure-reducing valve is cut off
Compressed air is supplied, and now compressed air is flowed through by secondary pressure-reducing valve, and pressure is pressure needed for spray gun purges, and plays anti-blocking cooling
Effect.When main pressure-reducing valve needs to change, the pressure rise of secondary pressure-reducing valve can be maintained the normal working condition of system.This
The compressed air control system of utility model SNCR denitration is simple in construction, easy to operate.
Claims (5)
1. a kind of compressed air control system of SNCR denitration, including jet atomization module（1）, air compression module（9）, liquid
House steward, liquid are in charge of（2）, liquid tap（15）, gas main, gas is in charge of（12）, gas service pipe（11）And spray gun（8）, institute
State spray gun and be provided with gas access and liquid inlet；The jet atomization module is connected to liquid by liquid house steward and is in charge of, described
Liquid is in charge of the liquid inlet that spray gun is connected to by liquid tap；The air compression module is connected to gas by gas supervisor
Body is in charge of, and the gas is in charge of the gas access that spray gun is connected to by gas service pipe；It is characterized in that：The gas, which is in charge of, to be provided with
Magnetic valve（14）And bypass（4）, the magnetic valve is front and rear to be provided with ball valve（10）, between the ball valve after the magnetic valve and magnetic valve
Provided with main pressure-reducing valve（16）；The bypass is provided with ball valve（10）, the outlet of the ball valve is provided with secondary pressure-reducing valve（13）.
2. the compressed air control system of SNCR denitration according to claim 1, it is characterized in that：The liquid is in charge of（2）
Provided with control valve（3）And bypass（4）, the control valve is front and rear to be provided with stop valve（7）, the bypass is provided with stop valve.
3. the compressed air control system of SNCR denitration according to claim 1, it is characterized in that：The liquid tap（15）
Provided with stop valve（7）, y type filters（6）And flowmeter（5）.
4. the compressed air control system of SNCR denitration according to claim 1, it is characterized in that：The gas is in charge of（12）
Provided with stop valve（7）With y type filters（6）.
5. the compressed air control system of SNCR denitration according to claim 1, it is characterized in that：The compressed air control
System is provided with controller, the controller and control valve（3）And magnetic valve（14）Communication connection.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616205.1U CN206965492U (en) | 2017-05-31 | 2017-05-31 | The compressed air control system of SNCR denitration |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720616205.1U CN206965492U (en) | 2017-05-31 | 2017-05-31 | The compressed air control system of SNCR denitration |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206965492U true CN206965492U (en) | 2018-02-06 |
Family
ID=61410588
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720616205.1U Expired - Fee Related CN206965492U (en) | 2017-05-31 | 2017-05-31 | The compressed air control system of SNCR denitration |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206965492U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513331A (en) * | 2018-12-19 | 2019-03-26 | 上海康恒环境股份有限公司 | A kind of SNCR denitration system suitable for consumer waste incineration |
-
2017
- 2017-05-31 CN CN201720616205.1U patent/CN206965492U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109513331A (en) * | 2018-12-19 | 2019-03-26 | 上海康恒环境股份有限公司 | A kind of SNCR denitration system suitable for consumer waste incineration |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103506233B (en) | A kind of two-fluid injection apparatus of double atomization | |
| CN206965492U (en) | The compressed air control system of SNCR denitration | |
| CN203508242U (en) | Two-stage atomizing double-fluid spraying device | |
| CN103174497B (en) | Reducing agent ejection control device in SCR system | |
| CN201214041Y (en) | Air water mixing energy-saving atomizing dustfall apparatus | |
| CN101928608B (en) | Blast-furnace gas hydrogen chloride purifying and absorbing compound device and method | |
| CN102580508B (en) | Telescopic spraying device | |
| CN204138692U (en) | A kind of novel converter flue gas dust removing apparatus by wet method | |
| CN212156660U (en) | Solution conveying device | |
| CN203437031U (en) | SNCR denitration double-fluid spray device | |
| CN219462991U (en) | Waste gas desulfurization device | |
| CN203447976U (en) | SNCR (selective non-catalytic reduction) denitration device for circulating fluidized bed boiler | |
| CN208839363U (en) | System suitable for thermal power plant supply liquefied ammonia | |
| CN206592184U (en) | A kind of auxiliary formula urea injection apparatus of the gas emptied | |
| CN204121964U (en) | Cement kiln kiln gas denitrification apparatus | |
| CN213739546U (en) | Double-medium converter stokehole ladle spraying device | |
| CN204913643U (en) | System takes place for peening for peening machine | |
| CN210057878U (en) | Back-flushing system of standby cooling and slurry supply pipeline of reaction tower | |
| CN102764571A (en) | SCNR (Selective catalytic NOx Reduction) denitration system for boiler | |
| US9962810B2 (en) | Dual control dead man system | |
| CN203695213U (en) | Front spraying system of electrostatic precipitator of coal-fired power plant | |
| CN109631062A (en) | A kind of gas pulse soot blower cooling based on water mist | |
| CN206631438U (en) | The efficient ammonia-gas spraying device of SCR denitration | |
| CN210631918U (en) | SNCR high-efficiency intelligent injection system | |
| CN205550001U (en) | A alkaline solution distributes dosing module for SO3 desorption |
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: 20180206 Termination date: 20190531 |