CN110280115A - A kind of SNCR high efficiency smart spraying system - Google Patents
A kind of SNCR high efficiency smart spraying system Download PDFInfo
- Publication number
- CN110280115A CN110280115A CN201910586543.9A CN201910586543A CN110280115A CN 110280115 A CN110280115 A CN 110280115A CN 201910586543 A CN201910586543 A CN 201910586543A CN 110280115 A CN110280115 A CN 110280115A
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- Prior art keywords
- pipeline
- high efficiency
- spraying system
- efficiency smart
- solute
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/77—Liquid phase processes
- B01D53/79—Injecting reactants
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Nozzles (AREA)
Abstract
The invention discloses a kind of SNCR high efficiency smart spraying systems, including solvent conduit, solute pipeline and it is several with spray bypass line, solvent flux meter is provided in the solvent conduit, solute flow meter is provided on the solute pipeline, the output end of the solvent conduit and the solvent conduit is connected on mixing duct, and the mixing duct is connected by distributor with each injection bypass line；The solvent flux meter and the solute flow meter are electrically connected with control cabinet.The present invention can be intelligent to be arbitrarily adjusted flexibly to the ratio of solvents and using dosage according to different operating conditions, greatly increases the flexible and usability of system；In addition the whole planning of the present invention is preferable, simplifies the complexity of system, reduces occupied area, transports easy to use.
Description
Technical field
The present invention relates to industrial combustion gas denitrifying technology field, specially a kind of SNCR high efficiency smart spraying system.
Background technique
Nitrogen oxides includes multiple compounds, but main component is nitric oxide and nitrogen dioxide.Human activity discharge
Oxynitrides is mainly as caused by fuel combustion and chemical industry production, such as thermal power plant, chemical plant, steel mill
Etc. the mobile occurring source such as fixation occurring source and motor vehicle for having fuel combustion.In addition, industrial processes and resident living also can
Generate a small amount of oxynitrides.Oxynitrides not only has a very strong toxic action to human body and animals and plants, or formed acid rain,
The main reason for haze and photochemical fog, also participates in the destruction of ozone layer.Control and the pollution for administering nitrogen oxides are always
The research hotspot in International Environmental Protection field, current nitrogen oxides control method reported in the literature mainly selective catalytic reduction method,
Absorption method and absorption process etc..
Selective non-catalytic reduction SNCR system is the gas denitrifying technology after a kind of burning, by thermal power generation pot
Furnace, the appropriate location of refuse burner, cement kiln or other Industrial Boilers spray into suitable reducing agent to remove the chemistry of NOx
Reaction process.SNCR denitration equipment generally with the canned truck transport of certain density reducing agent, is stored in tank with liquid form
In, reducing agent is assigned to every spray gun by measuring distribution module, is sprayed into furnace by spray gun and carries out selective reaction with NOx, no
Different from SCR technique with catalyst, the fuel types such as coal, biomass and rubbish influence very little to SNCR performance.
However existing SNCR denitration system is poor in the presence of systematicness, the single non-adjustable or adjustability of reducing agent proportion is poor,
Intelligent control degree is low, and systematic entirety plans poor disadvantage.
Summary of the invention
The problem of for background technique, the present invention provides a kind of SNCR high efficiency smart spraying systems.
To achieve the above object, the invention provides the following technical scheme: a kind of SNCR high efficiency smart spraying system, including it is molten
Agent pipeline, solute pipeline and several solvent flux meter, the solute are provided with spraying bypass line, in the solvent conduit
Solute flow meter is provided on pipeline, the output end of the solvent conduit and the solvent conduit is connected on mixing duct, institute
It states mixing duct and is connected by distributor with each injection bypass line；The solvent flux meter and the solute flow meter
It is electrically connected with control cabinet.
As a preferred technical solution of the present invention, the solute pipeline and the solvent conduit are connected separately with feed liquor
Pipeline group, the input duct group include interconnected main pipeline and other pipeline, on the main pipeline and the other pipeline
It is provided with electrical ball valve and pneumatic control valve, the pneumatic control valve is electrically connected the control cabinet, the pneumatic control valve gas circuit
It is connected with driving assembly.
As a preferred technical solution of the present invention, constant pressure valve is provided on the main pipeline.
As a preferred technical solution of the present invention, blowdown valve is additionally provided in the input duct group.
As a preferred technical solution of the present invention, the driving component includes air compressor machine, and the pneumatic control valve is logical
Overcompression air pipeline is connect with the air compressor machine.
As a preferred technical solution of the present invention, gas source filter is also connected on the compressed air pipe.
As a preferred technical solution of the present invention, it is provided with pipe-line mixer in the mixing duct, the mixing tube
Blend pressure transmitter is additionally provided on road, the blend pressure transmitter is electrically connected with the control cabinet.
As a preferred technical solution of the present invention, bypass flow meter and branch are provided in the injection bypass line
Hand valve.
As a preferred technical solution of the present invention, 304 stainless steel polishing material argon arc weldings are all made of between each pipeline
It connects.
Compared with prior art, the beneficial effects of the present invention are: the present invention can be intelligent to solute according to different operating conditions
It the ratio of solvent and is arbitrarily adjusted flexibly using dosage, greatly increases the flexible and usability of system；In addition of the invention whole
The planning of body is preferable, simplifies the complexity of system, reduces occupied area, transports easy to use.
Detailed description of the invention
Fig. 1 is a kind of SNCR high efficiency smart spraying system schematic diagram provided by the invention；
In figure: 1- solvent conduit；2- solute pipeline；3- sprays bypass line；4- solvent flux meter；5- solute flow meter；
6- mixing duct；7- distributor；8- control cabinet；9- inlet tube group；901- main pipeline；Pipeline by 902-；10- electrical ball valve；11-
Pneumatic control valve；12- driving assembly；1201- gas source filter；1202- air compressor machine；1203- compressed air pipe；13- constant pressure
Valve；14- blowdown valve；15- pipe-line mixer；16- blend pressure transmitter；17- bypass flow meter；18- branch hand valve；19- cabinet
Body.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
With reference to Fig. 1, the present invention provide a kind of SNCR high efficiency smart spraying system, including solvent conduit 1, solute pipeline 2 with
And it is several with spraying bypass line 3, it is provided with solvent flux meter 4 in the solvent conduit 1, is provided on the solute pipeline 2
The output end of solute flow meter 5, the solvent conduit 1 and the solvent conduit 2 is connected on mixing duct 6, the mixing tube
Road 6 is connected by distributor 7 with each injection bypass line 3；The solvent flux meter 4 and 5 electricity of solute flow meter
It is connected with control cabinet 8.
The present invention is in specific work process, and open manual/auto to valve each in system arrives certain position first,
This is the preliminary debugging of system, and the optimal solvents ratio of system and service condition are arrived in debugging manually, when system debug is stablized
Afterwards, it will be set according to solute flow and solvent flux of the different applying working conditions to apparatus of the present invention system, can such as be passed through
Control cabinet 8 respectively by solute flow meter 5 and solvent flux meter 4 be set as 350L/H and 150L/H (specifically by nitrogen oxides treatment after
Effect adjust proportion)；Solution after mixing is transported to each injection bypass line 3, observes the flow of each spinner flowmeter, adjusts
The valve for saving each flowmeter front end makes the flow equalization of flowmeter；Due to the variation of applying working condition, the control cabinet 8 of this system can root
Corresponding adjustment is made according to proportion of the different operating conditions to solvents, and concrete operations are the pipeline stream according to solvents
Meter and regulating valve carry out the adjustment of corresponding proportion, to reach optimal solution concentration value.
In the specific implementation process, the solute pipeline 2 is connected separately with input duct group 9, institute with the solvent conduit 1
Stating input duct group 9 includes the main pipeline 901 and other pipeline 902 being interconnected, the main pipeline 901 and the other pipeline 902
On be provided with electrical ball valve 10 and pneumatic control valve 11, the pneumatic control valve 11 is electrically connected the control cabinet 8, this is pneumatic
11 air circuit connection of regulating valve has driving assembly 12.
It is designed by the twin flue of this kind of main pipeline 901 and other pipeline 902, guarantee system can in case of emergency walk other pipe
Road 902 does not influence replacement and maintenance to 901 equipment instrument of main pipeline.
In the specific implementation process, constant pressure valve 13 is provided on the main pipeline 901.
Traditional SNCR spraying system because applying working condition variation, and spraying system will be adjusted accordingly, be caused
Pipeline pressure and flow cannot stablize the numerical value wanted at us, pass through the pipeline increase constant pressure valve 13 in solvents in this hair
It adjusts because solvents usage amounts is different, leads to pressure etc., eventually lead to this system and respectively use bypass flow undulating movement
It is excessive, so that the problem of ideal effect is not achieved in the excessive waste of solvents or amount less.
In the specific implementation process, it is additionally provided with blowdown valve 14 in the input duct group 9, can be set to what is do not used for a long time
It is standby to carry out cleaning blowdown, guarantee the unobstructed of system pipeline.
In the specific implementation process, the driving component 12 includes air compressor machine 1202, and the pneumatic control valve 11 passes through pressure
Contracting air pipeline 1203 is connect with the air compressor machine 1202, is generated gas pressure by air compressor machine 1202 and is realized to the pneumatic tune
The driving for saving the switch size of valve 11 is adjusted.
In the specific implementation process, it is also connected with gas source filter 1201 on the compressed air pipe 1203, by this
Gas source filter 1201 can effectively filter driving gas, prevent magazine from blocking gas path pipe.
In the specific implementation process, it is provided with pipe-line mixer 15 in the mixing duct 6, is also set on the mixing duct 6
It is equipped with blend pressure transmitter 16, the blend pressure transmitter 16 is electrically connected with the control cabinet 8, passes through pipe-line mixer 15
Can being sufficiently mixed solvents, reach optimal effect；It additionally is able to by after 16 pairs of blend pressure transmitter mixing
Fluid pressure be monitored, if it exceeds certain threshold value, the anti-of solvent flux meter 4 and solute flow meter 5 is passed through by control cabinet 8
Feedback value adjusts the size of pneumatic control valve 11, reaches ideal effect with this.
In the specific implementation process, bypass flow meter 17 and branch hand valve 18, energy are provided in the injection bypass line 3
Enough solvents effectively conveyed to each injection bypass line 3 are monitored and adjust.
In the specific implementation process, 304 stainless steel polishing material argon arc weldings, this kind of technique energy are all made of between each pipeline
Enough make the connection between pipeline neat and artistic and long service life.
It in the specific implementation process, further include cabinet body 19, each component is mounted in the cabinet body 19, passes through the cabinet body 19
The two-way regulating system of solvents in system, flow monitoring system, hybrid system, distribution system, drainage is whole
In neat and artistic reasonable modularization a to cabinet body 19, the inlet and outlet for externally only having system to use simplify the complexity of system,
Occupied area is reduced, is transported easy to use；In addition 19 shape of cabinet body can be handled using carbon steel plastic-spraying, to obtain
Obtain good appearance.
Based on above-mentioned, present invention has the advantage that: the present invention can be intelligent to solvents according to different operating conditions
Ratio and be arbitrarily adjusted flexibly using dosage, greatly increase the flexible and usability of system；In addition the present invention is whole
Planning property is preferable, simplifies the complexity of system, reduces occupied area, transports easy to use.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc., should all be included in the protection scope of the present invention within mind and principle.
Claims (10)
1. a kind of SNCR high efficiency smart spraying system, it is characterised in that: including solvent conduit, solute pipeline and it is several with injection
Bypass line is provided with solvent flux meter in the solvent conduit, solute flow meter is provided on the solute pipeline, described molten
Agent pipeline and the output end of the solvent conduit are connected on mixing duct, and the mixing duct passes through distributor and each spray
Bypass line is penetrated to be connected；The solvent flux meter and the solute flow meter are electrically connected with control cabinet.
2. a kind of SNCR high efficiency smart spraying system according to claim 1, it is characterised in that: the solute pipeline and institute
It states solvent conduit and is connected separately with input duct group, the input duct group includes interconnected main pipeline and other pipeline, institute
It states and is provided with electrical ball valve and pneumatic control valve on main pipeline and the other pipeline, described in the pneumatic control valve electrical connection
Control cabinet, the pneumatic control valve air circuit connection have driving assembly.
3. a kind of SNCR high efficiency smart spraying system according to claim 2, it is characterised in that: be arranged on the main pipeline
There is constant pressure valve.
4. a kind of SNCR high efficiency smart spraying system according to claim 2, it is characterised in that: in the input duct group
It is additionally provided with blowdown valve.
5. a kind of SNCR high efficiency smart spraying system according to claim 2, it is characterised in that: the driving component includes
Air compressor machine, the pneumatic control valve are connect by compressed air pipe with the air compressor machine.
6. a kind of SNCR high efficiency smart spraying system according to claim 5, it is characterised in that: the compressed air pipe
On be also connected with gas source filter.
7. a kind of SNCR high efficiency smart spraying system according to claim 1, it is characterised in that: set in the mixing duct
It is equipped with pipe-line mixer, blend pressure transmitter, the blend pressure transmitter and the control are additionally provided on the mixing duct
Case electrical connection processed.
8. a kind of SNCR high efficiency smart spraying system according to claim 1, it is characterised in that: the injection bypass line
On be provided with bypass flow meter and branch hand valve.
9. -8 SNCR high efficiency smart spraying system described in any one according to claim 1, it is characterised in that: between each pipeline
It is all made of 304 stainless steel polishing material argon arc weldings.
10. according to SNCR high efficiency smart spraying system of the claim 9 described in any one, it is characterised in that: it further include cabinet body,
Each component is assemblied in the cabinet body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586543.9A CN110280115A (en) | 2019-07-01 | 2019-07-01 | A kind of SNCR high efficiency smart spraying system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910586543.9A CN110280115A (en) | 2019-07-01 | 2019-07-01 | A kind of SNCR high efficiency smart spraying system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110280115A true CN110280115A (en) | 2019-09-27 |
Family
ID=68021559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910586543.9A Pending CN110280115A (en) | 2019-07-01 | 2019-07-01 | A kind of SNCR high efficiency smart spraying system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110280115A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068583A (en) * | 2019-12-23 | 2020-04-28 | 爱文思控制系统工程(上海)有限公司 | System cabinet for low-temperature mixing of peroxide and solvent |
-
2019
- 2019-07-01 CN CN201910586543.9A patent/CN110280115A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111068583A (en) * | 2019-12-23 | 2020-04-28 | 爱文思控制系统工程(上海)有限公司 | System cabinet for low-temperature mixing of peroxide and solvent |
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