CN206762613U - Simple type SNCR removes nitrogen equipment - Google Patents
Simple type SNCR removes nitrogen equipment Download PDFInfo
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- CN206762613U CN206762613U CN201720584217.0U CN201720584217U CN206762613U CN 206762613 U CN206762613 U CN 206762613U CN 201720584217 U CN201720584217 U CN 201720584217U CN 206762613 U CN206762613 U CN 206762613U
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- valve
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- spray gun
- liquid pump
- reducing agent
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Abstract
The utility model discloses a kind of simple type SNCR to remove nitrogen equipment, including spray gun, casing, liquid pump and reducing agent tank, liquid pump connect with reducing agent tank；Liquid pump is connected with the water inlet of spray gun, and membrane valve and angle pedestal valve are provided between liquid pump and the water inlet of spray gun；The pressure-air import of spray gun is connected with compressed air hose, and the first ball valve, pressure-reducing valve and the first magnetic valve are provided between the pressure-air import of spray gun and compressed air hose, and pressure-reducing valve is connected through second solenoid valve with angle pedestal valve；Angle pedestal valve, the first ball valve, pressure-reducing valve, the first magnetic valve and second solenoid valve are respectively positioned in casing.Using the urea liquid of 10% concentration, by quantitative high-pressure pump and high pressure nozzle, coordinate compressed air to be atomized, the urea liquid after atomization is uniformly mixed into 800 DEG C of flue gas section, by reduction reaction by NO, NO in flue gas2It is reduced into N2, the boiler of less than 10 tons biomass-burnings can be applied to, solve NO during puzzlement biomass molding fuel burningXThe problem of exceeded.
Description
Technical field
It the utility model is related to and remove nitrogen equipment, remove nitrogen equipment more particularly to a kind of simple type SNCR, be mainly applied to
On less than 10 tons of small-sized biomass fuel boiler.
Background technology
Biomass molding fuel progressively substitutes the fossil energies such as fire coal, fuel oil, combustion gas at present, and forms certain market rule
Mould, because biomass molding fuel leaded wastewater itself is higher, caused NO in combustion processXConcentration exceedes《Boiler atmosphere pollution
Discharge standard》Standard in GB13271-2014, at present never well except nitrogen equipment is handled, on large-sized boiler
Used out of stock equipment manufacturing cost is expensive, the equipment investment of even more than a full set of boiler plant in itself, and operating cost is high, absolutely
Most enterprises can not be born.Therefore be badly in need of that a kind of equipment investment is small, operating cost it is low solve biomass moulding except nitrogen equipment
NO during fuel useXThe problem of exceeded.
Utility model content
The purpose of this utility model is, there is provided a kind of simple type SNCR removes nitrogen equipment, for administering miniature boiler flue gas
NO in dischargeXExcessive problem is discharged, NO can be reducedXConcentration 40-50% or so, have it is easy for installation, operating cost is low, equipment
Invest small, the advantage such as significant effect.
In order to solve the above technical problems, the utility model adopts the following technical scheme that：
A kind of simple type SNCR removes nitrogen equipment, including spray gun, casing, liquid pump and reducing agent tank, liquid pump and reducing agent
Tank connects；Liquid pump is connected with the water inlet of spray gun, and membrane valve and angle pedestal valve are provided between liquid pump and the water inlet of spray gun；Spray
The pressure-air import of rifle is connected with compressed air hose, and the first ball is provided between the pressure-air import of spray gun and compressed air hose
Valve, pressure-reducing valve and the first magnetic valve, pressure-reducing valve are connected through second solenoid valve with angle pedestal valve；Angle pedestal valve, the first ball valve, pressure-reducing valve,
First magnetic valve and second solenoid valve are respectively positioned in casing.SNCR (SNCR)：Carried out under high temperature, without catalysis
Agent, operating cost are low.
Foregoing simple type SNCR is removed in nitrogen equipment, is connected between reducing agent tank and liquid pump by reducing agent pipe, is reduced
Agent pipe is provided with filter.
Foregoing simple type SNCR is removed in nitrogen equipment, and membrane valve connects through counterbalance valve with the reducing agent pipe.
Foregoing simple type SNCR is removed in nitrogen equipment, and the pipeline connection between membrane valve and counterbalance valve has reducing agent standby
Pipe, the standby pipe of reducing agent are provided with the second ball valve.
Foregoing simple type SNCR is removed in nitrogen equipment, and the pipeline between membrane valve and counterbalance valve is provided with first pressure table.
Foregoing simple type SNCR is removed in nitrogen equipment, and second pressure gauge is provided between compressed air hose and the first ball valve.
Foregoing simple type SNCR is removed in nitrogen equipment, and the bottom of casing is provided with castor, and casing is provided with support, liquid pump
It is rack-mount.
Compared with prior art, the utility model uses the urea liquid of 10% concentration, passes through quantitative high-pressure pump and high pressure
Nozzle, coordinate compressed air to be atomized, the urea liquid after atomization is uniformly mixed into 800 DEG C of flue gas section, passed through
Reduction reaction is by NO, NO in flue gas2It is reduced into N2, efficiency about 40-50% is denitrogenated, less than 10 tons biomass-burnings can be applied to
Boiler, solve puzzlement biomass molding fuel burning during NOXThe problem of exceeded.
It is characterized in using high pressure nozzle, pressure liquid pump, compressed air multi-atomizing, prevents spray nozzle clogging, spraying not
Uniformly, flow automatically controls, a variety of new departures synthesis such as multimachine sets in parallel operation solve.
Brief description of the drawings
Fig. 1 is a kind of structural representation of embodiment of the present utility model.
Reference：1- spray guns, the magnetic valves of 2- first, 3- counterbalance valves, 4- angle pedestal valves, 5- membrane valves, 6- liquid pumps, 7- is also
Former agent pipe, 8- filters, the standby pipe of 9- reducing agents, 10- first pressure tables, 11- second pressure gauges, 12- second solenoid valves, 13-
Pressure-reducing valve, 14- compressed air hoses, the ball valves of 15- second, 16- reducing agent tanks, 17- supports, the ball valves of 18- first, 19- casings, 20-
Castor.
The utility model is further described with reference to the accompanying drawings and detailed description.
Embodiment
Embodiment 1 of the present utility model：A kind of simple type SNCR removes nitrogen equipment, including spray gun 1, casing 19, the and of liquid pump 6
Reducing agent tank 16, liquid pump 6 connect with reducing agent tank 16；Liquid pump 6 connects with the water inlet of spray gun 1, liquid pump 6 and spray gun 1
Water inlet between be provided with membrane valve 5 and angle pedestal valve 4；The pressure-air import of spray gun 1 connects with compressed air hose 14, spray gun 1
Pressure-air import and compressed air hose 14 between be provided with the first ball valve 18, the magnetic valve 2 of pressure-reducing valve 13 and first, pressure-reducing valve 13
It is connected through second solenoid valve 12 with angle pedestal valve 4；Angle pedestal valve 4, the first ball valve 18, pressure-reducing valve 13, the first magnetic valve 2 and the second electromagnetism
Valve 12 is respectively positioned in casing 19.Connected between reducing agent tank 16 and liquid pump 6 by reducing agent pipe 7, reducing agent pipe 7 was provided with
Filter 8.Membrane valve 5 connects through counterbalance valve 3 with the reducing agent pipe 7.Pipeline connection between membrane valve 5 and counterbalance valve 3 has also
The former standby pipe 9 of agent, the standby pipe 9 of reducing agent are provided with the second ball valve 15.
Embodiment 2：A kind of simple type SNCR removes nitrogen equipment, including spray gun 1, casing 19, liquid pump 6 and reducing agent tank 16,
Liquid pump 6 connects with reducing agent tank 16；Liquid pump 6 connects with the water inlet of spray gun 1, between the water inlet of liquid pump 6 and spray gun 1
Provided with membrane valve 5 and angle pedestal valve 4；The pressure-air import of spray gun 1 connects with compressed air hose 14, and the pressure-air of spray gun 1 enters
The first ball valve 18, the magnetic valve 2 of pressure-reducing valve 13 and first are provided between mouth and compressed air hose 14, pressure-reducing valve 13 is through second solenoid valve
12 are connected with angle pedestal valve 4；Angle pedestal valve 4, the first ball valve 18, pressure-reducing valve 13, the first magnetic valve 2 and second solenoid valve 12 are respectively positioned on case
In body 19.
Connected between reducing agent tank 16 and liquid pump 6 by reducing agent pipe 7, reducing agent pipe 7 is provided with filter 8.Film
Valve 5 connects through counterbalance valve 3 with the reducing agent pipe 7.Pipeline connection between membrane valve 5 and counterbalance valve 3 has the standby pipe of reducing agent
9, the standby pipe 9 of reducing agent is provided with the second ball valve 15.Pipeline between membrane valve 5 and counterbalance valve 3 is provided with first pressure table 10.
Second pressure gauge 11 is provided between the ball valve 18 of compressed air hose 14 and first.The bottom of casing 19 is provided with castor 20, casing 19
Support 17 is provided with, liquid pump 6 is arranged on support 17.
A kind of operation principle of embodiment of the present utility model：10% carbamide reducing agent is stored in reducing agent tank 16,
Carbamide reducing agent enters from reducing agent pipe 7 in equipment running process, is pressurizeed by filter 8 by liquid pump 6, by membrane valve
5 and angle pedestal valve 4, it is pressurised atomised to finally enter spray gun 1.Compressed air enters from compressed air hose 14, by pressure-reducing valve 13, first
Carried out after the adjustment pressure of magnetic valve 2 into spray gun 1 air mixing atomizing.Counterbalance valve 3 is used for adjusting the amount for spraying into reducing agent, decompression
Valve 13 is used to adjust air capacity, controls air atomizing effect.
The angle pedestal valve 4 of fluid passage connects first pressure table 10 and the standby pipe 9 of reducing agent by flexible pipe, then is connected by flexible pipe
To the entrance of counterbalance valve 3, counterbalance valve 3 exports the entrance for being connected to liquid pump 6.When the flow of liquid pump 6 exceedes capacity of sprinkler, part is also
Former agent liquid flows back to highly pressurised liquid pump intake through counterbalance valve 3.First magnetic valve 2 of gas passage is connected to pressure-reducing valve by flexible pipe
13 outlets, the entrance of pressure-reducing valve 13 are connected to the first ball valve 18 by flexible pipe again, and the first ball valve 18 is connected to compression by flexible pipe
Air intake, while second pressure gauge 11 is connected to, compressed air inlet connects the outlet of air compressor by flexible pipe.Decompression
One branch road of the port of export of valve 13 is connected to the arrival end of second solenoid valve 12 by flexible pipe, and the port of export of second solenoid valve 12 leads to
Cross flexible pipe and be connected to angle pedestal valve 4, when fluid passage the nozzle of spray gun 1 due to the reasons such as high temperature block when, second solenoid valve 12 is beaten
Open, pressure-air is again dredged nozzle by flexible pipe by angle pedestal valve 4.Spray gun 1 is located at outside casing 19, and other parts are entirely located in
In casing 19, first pressure table 10 and second pressure gauge 11 are fixed on and denitrogenated on device housings, be easy to read reducing agent pressure and
Air pressure data.
Claims (7)
1. a kind of simple type SNCR removes nitrogen equipment, it is characterised in that including spray gun (1), casing (19), liquid pump (6) and reduction
Agent tank (16), liquid pump (6) connect with reducing agent tank (16)；Liquid pump (6) connects with the water inlet of spray gun (1), liquid pump (6)
Membrane valve (5) and angle pedestal valve (4) are provided between the water inlet of spray gun (1)；The pressure-air import of spray gun (1) and compressed air
(14) connection is managed, the first ball valve (18), pressure-reducing valve are provided between the pressure-air import of spray gun (1) and compressed air hose (14)
(13) it is connected with the first magnetic valve (2), pressure-reducing valve (13) through second solenoid valve (12) with angle pedestal valve (4)；Angle pedestal valve (4), first
Ball valve (18), pressure-reducing valve (13), the first magnetic valve (2) and second solenoid valve (12) are respectively positioned in casing (19).
2. simple type SNCR according to claim 1 removes nitrogen equipment, it is characterised in that reducing agent tank (16) and liquid pump
(6) connected between by reducing agent pipe (7), reducing agent pipe (7) is provided with filter (8).
3. simple type SNCR according to claim 2 removes nitrogen equipment, it is characterised in that membrane valve (5) through counterbalance valve (3) and
Reducing agent pipe (7) connection.
4. simple type SNCR according to claim 3 removes nitrogen equipment, it is characterised in that membrane valve (5) and counterbalance valve (3) it
Between pipeline connection have the standby pipe of reducing agent (9), the standby pipe of reducing agent (9) is provided with the second ball valve (15).
5. simple type SNCR according to claim 4 removes nitrogen equipment, it is characterised in that membrane valve (5) and counterbalance valve (3) it
Between pipeline be provided with first pressure table (10).
6. simple type SNCR according to claim 5 removes nitrogen equipment, it is characterised in that compressed air hose (14) and the first ball
Second pressure gauge (11) is provided between valve (18).
7. simple type SNCR according to claim 6 removes nitrogen equipment, it is characterised in that the bottom of casing (19) is provided with activity
Take turns (20), casing (19) is provided with support (17), and liquid pump (6) is arranged on support (17).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584217.0U CN206762613U (en) | 2017-05-23 | 2017-05-23 | Simple type SNCR removes nitrogen equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720584217.0U CN206762613U (en) | 2017-05-23 | 2017-05-23 | Simple type SNCR removes nitrogen equipment |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206762613U true CN206762613U (en) | 2017-12-19 |
Family
ID=60639002
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720584217.0U Active CN206762613U (en) | 2017-05-23 | 2017-05-23 | Simple type SNCR removes nitrogen equipment |
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| Country | Link |
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| CN (1) | CN206762613U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105443A (en) * | 2018-05-08 | 2020-12-18 | Sk燃气株式会社 | Method for reducing nitrogen dioxide in off-gas generated in olefin production process |
-
2017
- 2017-05-23 CN CN201720584217.0U patent/CN206762613U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112105443A (en) * | 2018-05-08 | 2020-12-18 | Sk燃气株式会社 | Method for reducing nitrogen dioxide in off-gas generated in olefin production process |
| CN112105443B (en) * | 2018-05-08 | 2022-06-24 | Sk燃气株式会社 | Method for reducing nitrogen dioxide in off-gas generated in olefin production process |
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