CN209596926U - A kind of 350MW unit SCR denitration spray ammonia optimization system - Google Patents
A kind of 350MW unit SCR denitration spray ammonia optimization system Download PDFInfo
- Publication number
- CN209596926U CN209596926U CN201822271009.2U CN201822271009U CN209596926U CN 209596926 U CN209596926 U CN 209596926U CN 201822271009 U CN201822271009 U CN 201822271009U CN 209596926 U CN209596926 U CN 209596926U
- Authority
- CN
- China
- Prior art keywords
- boiler
- liquid level
- liquid
- light
- charactron
- 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.)
- Active
Links
Landscapes
- Measurement Of Levels Of Liquids Or Fluent Solid Materials (AREA)
Abstract
The utility model discloses a kind of 350MW unit SCR denitrations to spray ammonia optimization system.Belong to boiler feedwater liquidometer measurement numerical value jump technology for eliminating field.The collected liquid level information measurement numerical value of boiler feedwater liquidometer ontology institute is not susceptible to jump, the water level line calibration information that descending liquid is currently reached is risen by the liquid level charactron viewed when three-point water levels plane etc. is high in boiler to obtain more true water level information in current boiler.Including boiler liquid level meter ontology, boiler liquid level meter ontology includes the liquid level charactron equipped with lifting liquid, and water level line scale is equipped on liquid level charactron；It further include hood and three light-guiding pillars；There are three boiler liquid level meter ontology is total.Hood is fixedly connected on three display tubes by closed be locked of three bottom cage apertures on its bottom surface.
Description
Technical field
The utility model relates to boiler feedwater liquidometer measurement numerical value to jump technology for eliminating field, more particularly to a kind of
350MW unit SCR denitration sprays ammonia optimization system.
Background technique
Present boiler feedwater liquidometer measurement numerical value jump is the pot because of the boiler liquid level meter ontology in boiler
Furnace level sensing end only one, the liquid level point of acquisition also only one, so can not carry out the liquid level information of acquisition into one
The measurement numerical value of step jumps Processing for removing.
Utility model content
The utility model is to solve the collected liquid level information measurement number of present boiler feedwater liquidometer ontology institute
Value jump is not easy the deficiency eliminated, and provides a kind of pair of collected liquid level information measurement numerical value of boiler feedwater liquidometer ontology institute
It is not susceptible to jump, descending liquid is risen by the liquid level charactron viewed when three-point water levels plane etc. is high in boiler and is currently arrived
The water level line calibration information reached obtains more true water level information in current boiler, is easy to look into scene and sees management and long-range prison
A kind of 350MW unit SCR denitration of keyholed back plate reason, good reliability sprays ammonia optimization system.
To achieve the goals above, the utility model uses following technical scheme:
A kind of 350MW unit SCR denitration spray ammonia optimization system, boiler and boiler liquid level meter including SCR denitration spray ammonia
Ontology, boiler liquid level meter ontology include the liquid level charactron equipped with lifting liquid, and water level line scale is equipped on liquid level charactron；Also
Including controller, memory, voice prompting device, be arranged on boiler for detect the temperature sensor of fluid temperature in boiler,
Hood and three light-guiding pillars；There are three boiler liquid level meter ontology is total；
Hood is fixedly connected on three display tubes by closed be locked of three bottom cage apertures on its bottom surface；Each
The vertical holes being connected with the lumen of corresponding liquid level charactron is all respectively equipped on the upper surface of liquid level charactron, in each liquid level
All being sealedly and fixedly connected respectively in the vertical holes of display tube has vertical pipe, slides up and down in the lumen of every vertical pipe and is equipped with liter
Bar drops, and it is all closed respectively in the correspondence liquid level charactron between every vertical pipe and corresponding lifting liquid to slide up and down equipped with piston
Elevator, the upper surface of each piston elevator are respectively fixedly connected on the lower surface of corresponding elevating lever；
Reflective mirror is equipped on the wherein upper surface of an elevating lever in three elevating levers, and in the upper of the root elevating lever
End is equipped with bracket, is set on bracket there are three optically focused transfer device；The one-to-one leaded light in the inner end of three light-guiding pillars is connected to three
On optically focused transfer device, the outer end of three light-guiding pillars is located at outside hood；
Laser lamp, and each laser are all respectively equipped on the upper surface of other two elevating levers in three elevating levers
The laser that lamp issues successively can be transferred to the leaded light outside hood after reflective mirror, optically focused transfer device and light-guiding pillar
Column outer end；
System further includes remote monitoring platform and wireless module, and lifting liquid can be shot by, which being equipped on liquid level charactron, reaches water
The camera one of position graduation mark information, the control terminal and wireless module of camera one are connect with controller respectively；
Photoelectric sensor is respectively equipped in the outer end of every light-guiding pillar；Memory, the control terminal of voice prompting device, temperature pass
Sensor and each photoelectric sensor are connect with controller respectively；Controller is connect by wireless module with remote monitoring platform.
The information that corresponding photoelectric sensor detects is uploaded to remote monitoring platform by controller, meanwhile, controller passes through
The information for going up and down liquid arrival level scale line is also uploaded to remote monitoring platform by camera one together.
A kind of control method suitable for a kind of 350MW unit SCR denitration spray ammonia optimization system, which is characterized in that set three
First optically focused transfer device in a optically focused transfer device indicates that three-point water levels plane is contour in boiler when receiving laser；If
Indicate that three-point water levels plane differs in boiler when second optically focused transfer device in three optically focused transfer devices receives laser
It is high；If the third optically focused transfer device in three optically focused transfer devices indicates three-point water levels plane in boiler when receiving laser
Also not contour；If light-guiding pillar corresponding with first optically focused transfer device is the first light-guiding pillar；If being filled with second optically focused transmitting
Setting corresponding light-guiding pillar is the second light-guiding pillar；If light-guiding pillar corresponding with third optically focused transfer device is third light-guiding pillar；
Control method includes the contour confirmation detection process of three-point water levels plane in boiler, three-point water levels plane etc. in the boiler
Height confirmation detection process is as follows:
At three positions that the boiler liquid level test side of three boiler liquid level meter ontologies is arranged in boiler, and this three
A position is not arranged on the same straight line；
Liquid when detecting the liquid level in boiler, in boiler where the boiler liquid level test side of boiler liquid level meter ontology
It is shown when position lifting can be gone up and down by the lifting liquid in its corresponding liquid level charactron；When in any one liquid level charactron
The lifting of lifting liquid when then will drive the lifting of corresponding piston elevator, the lifting of piston elevator will drive corresponding elevating lever liter
Drop, lifter rod lifting will drive corresponding laser lamp or corresponding reflective mirror and optically focused transfer device is gone up and down；
When the two beam laser that two laser lamps issue are after mirror reflection, if this two beams laser is all reflected to first
On a optically focused transfer device, which passes to the outer end of the first light-guiding pillar through the first light-guiding pillar again, then illustrates
At this time in boiler the value of the mutual difference of three water level height detected by three boiler liquid level test sides in setting
Three-point water levels plane is in contour value range in boiler, while also illustrating that three-point water levels plane is contour in boiler at this time；
When three-point water levels plane etc. is high in boiler, user is currently reached by the lifting liquid checked on liquid level charactron
Water level line calibration information more true water level information in current boiler can be obtained；
When the two beam laser that two laser lamps issue are after mirror reflection, if as long as wherein beam of laser is not reflected
Onto first optically focused transfer device, that is to say, that passed as long as there is a branch of or two beams to be reflected to second optically focused in two beam laser
On delivery device or on third optically focused transfer device, then illustrate in boiler at this time three detected by three boiler liquid level test sides
The value of at least one water level difference in height is not 3 points in the boiler of setting in the value of the mutual difference of a water level height
In the contour value range of water level, while also illustrating that three-point water levels plane is not contour in boiler at this time；
At this time user cannot by the water level line calibration information that the lifting liquid checked on liquid level charactron is currently reached come
Obtain more true water level information in current boiler；
User needs to continue waiting at this time, waits when three-point water levels plane etc. is high in boiler again by checking liquid level charactron
On the lifting liquid water level line calibration information that is currently reached obtain more true water level information in current boiler.
The collected liquid level information measurement numerical value of boiler feedwater liquidometer ontology institute is not susceptible to jump, passes through boiler
The liquid level charactron that interior three-point water levels plane etc. is viewed when high, which rises the water level line calibration information that descending liquid is currently reached, to be come
More true water level information in current boiler is obtained, is easy to look into scene and sees management and remote monitoring and administration, good reliability.
Preferably, temperature sensor also there are three, and the one-to-one setting in temperature detection end of three temperature sensors
In three boilers on the boiler liquid level test side of boiler liquid level meter ontology.
For liquid in boiler in different temperatures, liquid level is different with fluctuation height in vibration frequency interior per minute,
Check that liquid level is shown according to the horizontal corrected parameter of liquid fluctuating corresponding to some preset temperature range to correct user
Liquid level in boiler represented by the current lifting liquid of pipe.
Preferably, optically focused transfer device includes the fixing pipe being fixed on bracket, and the central point of reflective mirror is fallen in
On the extended line of the tube core line of fixing pipe；Convex lens, light-guiding pillar are fixed in the fixation nozzle towards this one end of reflective mirror
Inner end be fixed in the other end of fixing pipe, and laser lamp issue laser through the laser on mirror reflection to convex lens
It can be transferred on light-guiding pillar and can be transferred to through light-guiding pillar the outer end of light-guiding pillar.
Preferably, system further includes controller and display, photoelectric sensing is respectively equipped in the outer end of every light-guiding pillar
Device, each photoelectric sensor and display are connect with controller respectively；
Under the control of the controller, photoelectric sensor is acquired the optical signal of the outer end of light-guiding pillar and is uploaded to control
Device, controller are to belong to the collected optical signal of which photoelectric sensor to judge in current boiler according to collected optical signal
Whether three-point water levels plane is contour.
Preferably, system further includes voice prompting device connected to the controller.
Whether voice prompting device is contour to three-point water levels plane in current boiler to prompt, and shows in the display simultaneously
Show.
The utility model can reach following effect:
The utility model rises descending liquid by the liquid level charactron that three-point water levels plane in boiler etc. is viewed when high and works as
Preceding reached water level line calibration information obtains more true water level information in current boiler, be easy to look into scene see management and
Remote monitoring and administration, good reliability.
Detailed description of the invention
Fig. 1 is that the boiler liquid level test side of three boiler liquid level meter ontologies of the utility model embodiment detects boiler at this time
A kind of use state attachment structure schematic diagram when interior three-point water levels plane is not contour.
Fig. 2 is that the boiler liquid level test side of three boiler liquid level meter ontologies of the utility model embodiment detects boiler at this time
A kind of use state attachment structure schematic diagram when interior three-point water levels plane etc. is high.
Fig. 3 is the utility model embodiment when the boiler liquid level test side of three boiler liquid level meter ontologies detects pot at this time
The two beam laser that two lasers issue when three-point water levels plane etc. is high in furnace are all reflected on first optically focused transfer device
When a kind of use state attachment structure schematic diagram.
Fig. 4 is the utility model embodiment when the boiler liquid level test side of three boiler liquid level meter ontologies detects pot at this time
When three-point water levels plane is not contour in furnace, the two beam laser beam of laser that two lasers issue are reflected to first optically focused and pass
A kind of use state connection structure signal on delivery device, when another beam of laser is reflected on second optically focused transfer device
Figure.
Fig. 5 is the utility model embodiment when the boiler liquid level test side of three boiler liquid level meter ontologies detects pot at this time
When three-point water levels plane is not contour in furnace, the two beam laser beam of laser that two lasers issue are reflected to first optically focused and pass
A kind of use state connection structure signal on delivery device, when another beam of laser is reflected on third optically focused transfer device
Figure.
Fig. 6 is the utility model embodiment when the boiler liquid level test side of three boiler liquid level meter ontologies detects pot at this time
When three-point water levels plane is not contour in furnace, the two beam laser that two lasers issue all are reflected to second optically focused transfer device
A kind of use state attachment structure schematic diagram when upper.
Fig. 7 is the utility model embodiment when the boiler liquid level test side of three boiler liquid level meter ontologies detects pot at this time
When three-point water levels plane is not contour in furnace, the two beam laser that two lasers issue all are reflected to third optically focused transfer device
A kind of use state attachment structure schematic diagram when upper.
Fig. 8 is a kind of circuit theory connection structure schematic block diagram of the utility model embodiment.
Specific embodiment
Below with reference to the embodiments and with reference to the accompanying drawing the technical solutions of the present invention will be further described.
Embodiment: a kind of 350MW unit SCR denitration sprays ammonia optimization system, referring to shown in Fig. 1-Fig. 8, including SCR denitration spray
The boiler 37 and boiler liquid level meter ontology 23 of ammonia, boiler liquid level meter ontology include the liquid level charactron 1, In equipped with lifting liquid 21
Liquid level charactron is equipped with water level line scale；Also packet controller, memory, setting are on boiler for detecting liquid 38 in boiler
Temperature sensor, hood 15 and three light-guiding pillars of temperature；There are three boiler liquid level meter ontology is total；
Hood is fixedly connected on three display tubes by closed be locked of three bottom cage apertures on its bottom surface；Each
The vertical holes being connected with the lumen of corresponding liquid level charactron is all respectively equipped on the upper surface of liquid level charactron, in each liquid level
All being sealedly and fixedly connected respectively in the vertical holes of display tube has vertical pipe 4, slides up and down and is equipped in the lumen of every vertical pipe
Elevating lever 5, all closed slide up and down is equipped with respectively in every vertical pipe and the corresponding correspondence liquid level charactron gone up and down between liquid
Piston elevator 2, the upper surface of each piston elevator are respectively fixedly connected on the lower surface of corresponding elevating lever；
Reflective mirror 6 is equipped on the wherein upper surface of an elevating lever in three elevating levers, and in the root elevating lever
Upper end is equipped with bracket 7, is set on bracket there are three optically focused transfer device 9；The one-to-one leaded light in the inner end of three light-guiding pillars is connected to
On three optically focused transfer devices, the outer end of three light-guiding pillars is located at outside hood；
It is all respectively equipped with laser lamp 14 on the upper surface of other two elevating levers in three elevating levers, and is each swashed
The laser 13 that light lamp issues can be successively transferred to outside hood after reflective mirror, optically focused transfer device and light-guiding pillar
Light-guiding pillar outer end.
Optically focused transfer device includes the fixing pipe being fixed on bracket, and the central point of reflective mirror falls in the pipe of fixing pipe
On the extended line of heart line；Convex lens 8 is fixed in the fixation nozzle towards this one end of reflective mirror, the inner end of light-guiding pillar is fixed
In the other end of fixing pipe, and the laser of laser lamp sending can be transferred to through the laser on mirror reflection to convex lens and lead
The outer end of light-guiding pillar can be transferred on light beam and through light-guiding pillar.
System further includes controller 26 and display 27, is respectively equipped with photoelectric sensor 3 in the outer end of every light-guiding pillar, often
Control terminal, each photoelectric sensor and the display of a laser lamp 14 are connect with controller respectively.Memory (34) and temperature pass
Sensor (35) is connect with controller respectively.
System further includes voice prompting device 28 connected to the controller.
System further includes remote monitoring platform 29 and wireless module 30, and lifting liquid can be shot by, which being equipped on liquid level charactron, arrives
Up to the camera 1 of level scale line information, the camera two that can shoot light-guiding pillar outer end brightness information is equipped on hood
19；The control terminal of camera one, the control terminal of camera two and wireless module are connect with controller respectively；Controller passes through wireless
Module is connect with remote monitoring platform.
Controller in the present embodiment uses the industrial panel computer of CBW-T104S model.
Temperature sensor also there are three, and three temperature sensors temperature detection end 36 it is one-to-one be arranged in three pots
In furnace on the boiler liquid level test side of boiler liquid level meter ontology.
For liquid in boiler in different temperatures, liquid level is different with fluctuation height in vibration frequency interior per minute,
User checks that liquid level charactron currently goes up and down liquid level in boiler represented by liquid and subtracts according to some preset temperature
Resulting altitude information indicates liquid level in real boiler after the horizontal corrected parameter of liquid fluctuating corresponding to range.
Such as: for the liquid temperature of boiler liquid when within 100 degrees Celsius, the horizontal corrected parameter of liquid fluctuating is 0.5 milli
Rice: the liquid temperature of boiler liquid section (100,300] degree Celsius in when, the horizontal corrected parameter of liquid fluctuating be 0.8 milli
Rice；When the liquid temperature of boiler liquid is in section (300,500) degree Celsius, the horizontal corrected parameter of liquid fluctuating is 1.2 millis
Rice；For the liquid temperature of boiler liquid at 500 degrees Celsius or more, the horizontal corrected parameter of liquid fluctuating is 2 millimeters.
If checking that liquid level charactron currently goes up and down liquid institute table for example, the temperature of liquid is 350 degrees Celsius in current boiler
Liquid level is 1402 millimeters in the boiler shown, then liquid level is really 1400 millimeters in boiler.
Under the control of the controller, photoelectric sensor is acquired the optical signal of the outer end of light-guiding pillar and is uploaded to control
Device, controller are to belong to the collected optical signal of which photoelectric sensor to judge in current boiler according to collected optical signal
Whether three-point water levels plane is contour.
Whether voice prompting device is contour to three-point water levels plane in current boiler to prompt, and shows in the display simultaneously
Show.
The information that corresponding photoelectric sensor detects is uploaded to remote monitoring platform by controller, meanwhile, controller passes through
The information for going up and down liquid arrival level scale line is also uploaded to remote monitoring platform by camera one together.Remote monitoring platform can lead to
Controller is crossed to control camera two to whether the outer end of which light-guiding pillar shines and remotely be checked.
A kind of control method suitable for a kind of 350MW unit SCR denitration spray ammonia optimization system, if three optically focused transmitting dresses
The first optically focused transfer device 11 set indicates that three-point water levels plane is contour in boiler when receiving laser；If three optically focused pass
Second optically focused transfer device 10 in delivery device indicates that three-point water levels plane is not contour in boiler when receiving laser；If three
Indicate that three-point water levels plane also differs in boiler when third optically focused transfer device 12 in optically focused transfer device receives laser
It is high；If light-guiding pillar corresponding with first optically focused transfer device is the first light-guiding pillar 17；If with second optically focused transfer device pair
The light-guiding pillar answered is the second light-guiding pillar 18；If light-guiding pillar corresponding with third optically focused transfer device is third light-guiding pillar 16；
Control method includes the contour confirmation detection process of three-point water levels plane in boiler, three-point water levels plane etc. in the boiler
Height confirmation detection process is as follows:
At three positions that the boiler liquid level test side 22 of three boiler liquid level meter ontologies is arranged in boiler, and this
Three positions are not arranged on the same straight line；
Liquid when detecting the liquid level in boiler, in boiler where the boiler liquid level test side of boiler liquid level meter ontology
It is shown when position lifting can be gone up and down by the lifting liquid in its corresponding liquid level charactron；When in any one liquid level charactron
The lifting of lifting liquid when then will drive the lifting of corresponding piston elevator, the lifting of piston elevator will drive corresponding elevating lever liter
Drop, lifter rod lifting will drive corresponding laser lamp or corresponding reflective mirror and optically focused transfer device is gone up and down；
When the two beam laser that two laser lamps issue are after mirror reflection, if this two beams laser is all reflected to first
On a optically focused transfer device, which passes to the outer end of the first light-guiding pillar through the first light-guiding pillar again, then illustrates
At this time in boiler the value of the mutual difference of three water level height detected by three boiler liquid level test sides in setting
Three-point water levels plane is in contour value range in boiler, while also illustrating that three-point water levels plane is contour in boiler at this time；Deng
High three-point water levels plane 24.
When three-point water levels plane etc. is high in boiler, user is currently reached by the lifting liquid checked on liquid level charactron
Water level line calibration information more true water level information in current boiler can be obtained；
When the two beam laser that two laser lamps issue are after mirror reflection, if as long as wherein beam of laser is not reflected
Onto first optically focused transfer device, that is to say, that passed as long as there is a branch of or two beams to be reflected to second optically focused in two beam laser
On delivery device or on third optically focused transfer device, then illustrate in boiler at this time three detected by three boiler liquid level test sides
The value of at least one water level difference in height is not 3 points in the boiler of setting in the value of the mutual difference of a water level height
In the contour value range of water level, while also illustrating that three-point water levels plane is not contour in boiler at this time；Not contour 3 points
Water level 25.
At this time user cannot by the water level line calibration information that the lifting liquid checked on liquid level charactron is currently reached come
Obtain more true water level information in current boiler；
User needs to continue waiting at this time, waits when three-point water levels plane etc. is high in boiler again by checking liquid level charactron
On the lifting liquid water level line calibration information that is currently reached obtain more true water level information in current boiler.
The present embodiment is not susceptible to jump to the collected liquid level information measurement numerical value of boiler feedwater liquidometer ontology institute,
Rise the water level line that descending liquid is currently reached by the liquid level charactron viewed when three-point water levels plane etc. is high in boiler to carve
Information is spent to obtain more true water level information in current boiler, is easy to look into scene and is seen management and remote monitoring and administration, reliably
Property is good.
The embodiments of the present invention have been described above with reference to the accompanying drawings, and however, the implementation is not limited to the above embodiments, this
Field those of ordinary skill can be with various changes and modifications may be made within the scope of the appended claims.
Claims (1)
1. a kind of 350MW unit SCR denitration sprays ammonia optimization system, boiler and boiler liquid level meter sheet including SCR denitration spray ammonia
Body, boiler liquid level meter ontology include the liquid level charactron equipped with lifting liquid, and water level line scale is equipped on liquid level charactron；It is special
Sign is, further includes controller, memory, is arranged on boiler for detecting the temperature sensor of fluid temperature in boiler, hiding
Light shield and three light-guiding pillars；There are three boiler liquid level meter ontology is total；
Hood is fixedly connected on three display tubes by closed be locked of three bottom cage apertures on its bottom surface；In each liquid level
It is all respectively equipped with the vertical holes being connected with the lumen of corresponding liquid level charactron on the upper surface of display tube, is shown in each liquid level
All being sealedly and fixedly connected respectively in the vertical holes of pipe has vertical pipe, slides up and down in the lumen of every vertical pipe and is equipped with lifting
Bar, it is all closed respectively in every vertical pipe and the corresponding correspondence liquid level charactron gone up and down between liquid to slide up and down equipped with piston liter
Block drops, and the upper surface of each piston elevator is respectively fixedly connected on the lower surface of corresponding elevating lever；
It is equipped with reflective mirror on the wherein upper surface of an elevating lever in three elevating levers, and is set in the upper end of the root elevating lever
There is bracket, is set on bracket there are three optically focused transfer device；The one-to-one leaded light in the inner end of three light-guiding pillars is connected to three optically focused
On transfer device, the outer end of three light-guiding pillars is located at outside hood；
Laser lamp is all respectively equipped on the upper surface of other two elevating levers in three elevating levers, and each laser lamp is sent out
Laser out can be successively transferred to outside the light-guiding pillar outside hood after reflective mirror, optically focused transfer device and light-guiding pillar
End；
System further includes remote monitoring platform and wireless module, and lifting liquid can be shot by, which being equipped on liquid level charactron, reaches water level quarter
The camera one of line information is spent, the control terminal and wireless module of camera one are connect with controller respectively；
Photoelectric sensor is respectively equipped in the outer end of every light-guiding pillar；Memory, temperature sensor and each photoelectric sensor point
It is not connect with controller；Controller is connect by wireless module with remote monitoring platform.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271009.2U CN209596926U (en) | 2018-12-31 | 2018-12-31 | A kind of 350MW unit SCR denitration spray ammonia optimization system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822271009.2U CN209596926U (en) | 2018-12-31 | 2018-12-31 | A kind of 350MW unit SCR denitration spray ammonia optimization system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209596926U true CN209596926U (en) | 2019-11-08 |
Family
ID=68398067
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822271009.2U Active CN209596926U (en) | 2018-12-31 | 2018-12-31 | A kind of 350MW unit SCR denitration spray ammonia optimization system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209596926U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647186A (en) * | 2018-12-31 | 2019-04-19 | 中国能源建设集团华东电力试验研究院有限公司 | 350MW unit SCR denitration sprays ammonia optimization system and control method |
-
2018
- 2018-12-31 CN CN201822271009.2U patent/CN209596926U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109647186A (en) * | 2018-12-31 | 2019-04-19 | 中国能源建设集团华东电力试验研究院有限公司 | 350MW unit SCR denitration sprays ammonia optimization system and control method |
| CN109647186B (en) * | 2018-12-31 | 2023-07-04 | 中国能源建设集团华东电力试验研究院有限公司 | SCR denitration ammonia injection optimization system of 350MW unit and control method |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20120025112A1 (en) | Device and method for detecting liquid level of molten silicon using laser reflected from curved mirror | |
| CN208520336U (en) | Laser datum bridge Multi-point deflection vision inspection apparatus | |
| CN208505255U (en) | Laser datum bridge single-point amount of deflection vision inspection apparatus | |
| CN209596926U (en) | A kind of 350MW unit SCR denitration spray ammonia optimization system | |
| CN103744122B (en) | Zero-blind-spot diffuse reflection type photoelectric sensor | |
| CN101561517A (en) | Non-contact type detector and detecting method of liquid in pipe | |
| CN209569710U (en) | A kind of boiler feedwater liquidometer measurement numerical value jump elimination system | |
| US11598851B2 (en) | Optical detecting assembly, detector and laser ranging system | |
| CN101256089A (en) | Optical fibre sensor with variable precision | |
| CN109140669A (en) | Electric appliance and liquid shortage protection device and control method thereof | |
| CN109647186A (en) | 350MW unit SCR denitration sprays ammonia optimization system and control method | |
| CN207502419U (en) | Glass inspection systems | |
| CN209621568U (en) | Pressure drop solves system after a kind of electric firefighting pump startup | |
| CN209215951U (en) | A kind of boiler feedwater sequence logic optimization system | |
| CN108168514B (en) | Novel level with i angle detects function | |
| CN109855084A (en) | Boiler feedwater liquidometer measures numerical value jump elimination system and control method | |
| CN109799846A (en) | Boiler feedwater sequence logic optimization system and control method | |
| CN109667752A (en) | Pressure drop solves system and control method after electric firefighting pump startup | |
| CN219250090U (en) | Liquid level detection device and equipment with same | |
| CN208386764U (en) | A kind of imaging device with automatic range focus function | |
| CN201852618U (en) | Device for detecting liquid level of fused silicon by adopting laser curved mirror | |
| CN103292866A (en) | Light reflex based water gauge for monitoring water levels | |
| CN109141579A (en) | Liquid level detection device and water purifier | |
| CN208374422U (en) | A kind of laser soldering bucket | |
| CN106595800A (en) | Machine vision based material level meter |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |