CN108144445A - SCR denitration system catalyst abrasion analysis of causes system based on performance test - Google Patents
SCR denitration system catalyst abrasion analysis of causes system based on performance test Download PDFInfo
- Publication number
- CN108144445A CN108144445A CN201711419883.XA CN201711419883A CN108144445A CN 108144445 A CN108144445 A CN 108144445A CN 201711419883 A CN201711419883 A CN 201711419883A CN 108144445 A CN108144445 A CN 108144445A
- Authority
- CN
- China
- Prior art keywords
- grid
- flue gas
- catalyst
- control terminal
- guide rod
- 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.)
- Granted
Links
Classifications
-
- 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
- B01D53/86—Catalytic processes
- B01D53/88—Handling or mounting catalysts
- B01D53/885—Devices in general for catalytic purification of waste gases
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- 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
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
Landscapes
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical & Material Sciences (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)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The invention discloses the SCR denitration system catalyst abrasion analysis of causes systems based on performance test, are related to SCR denitration technical field, which can allow flue gas and catalyst that can be come into full contact in denitrating flue gas stove.Including equipment for denitrifying flue gas ontology, controller is further included, if equipment for denitrifying flue gas ontology includes denitrating flue gas stove, is catalyzed grid every the dried layer being arranged in denitrating flue gas stove between the upper and lower in stratiform, several wind turbines are equipped in the denitrating flue gas stove above flow straightening grid；The middle guide rod parallel with catalysis grid is respectively equipped at the both ends that adjacent two layers are catalyzed between grid, it slides and is equipped with by the mobile sliding tube of middle drive system driving on middle guide rod, catalyst jet pipe is fixedly connected on sliding tube, several catalyst squit holes are equipped on the tube wall of catalyst jet pipe.
Description
Technical field
The present invention relates to SCR denitration technical fields, and in particular to the SCR denitration system catalyst abrasion based on performance test
Analysis of causes system.
Background technology
Existing SCR denitration is typically all to add in flue gas and denitrating catalyst progress denitration simultaneously in denitrating flue gas stove,
But there are flue gases and denitrating catalyst to be sufficiently mixed for this denitrating flue gas, causes denitration effect poor.Therefore it designs a kind of de-
The good system of nitre effect is very necessary.
Invention content
The present invention is to solve existing denitrating flue gas above shortcomings, provides a kind of set in denitrating flue gas stove and urges
Change grid, flue gas and catalyst can be come into full contact in denitrating flue gas stove, can greatly improve denitrating flue gas effect based on property
The SCR denitration system catalyst abrasion analysis of causes system that can be tested.
More than technical problem is solved by following technical proposal：
SCR denitration system catalyst abrasion analysis of causes system based on performance test, including equipment for denitrifying flue gas ontology,
Further include controller, equipment for denitrifying flue gas ontology includes denitrating flue gas stove, in stratiform between the upper and lower every being arranged in denitrating flue gas stove
If dried layer catalysis grid, several wind turbines are equipped in the denitrating flue gas stove above flow straightening grid；Grid is catalyzed in adjacent two layers
Between both ends be respectively equipped with the parallel middle guide rod of catalysis grid, slide to be equipped on middle guide rod and be driven by middle drive system
Mobile sliding tube is moved, catalyst jet pipe is fixedly connected on sliding tube, several are equipped on the tube wall of catalyst jet pipe
Catalyst squit hole, a both ends docking for being equipped with the No.1 conduit for taking out agent pump be connected on one end nozzle of catalyst jet pipe and
On the delivery outlet of the catalyst storage tank of equipment for denitrifying flue gas ontology, one end of No. two conduit for being equipped with solenoid valve is in succession
It is connected on the other end nozzle of catalyst jet pipe；Flow straightening grid is equipped in the denitrating flue gas stove above top layer's catalysis grid,
Wind direction testing agency is respectively equipped at each honeycomb mesh intersecting point of flow straightening grid；The grate opening of flow straightening grid and every layer
The grate opening of catalysis grid all arrange one by one by vertical face；The control terminal of wind turbine, the control terminal of middle drive system, the control for taking out agent pump
End processed and wind direction testing agency connect respectively with controller.
Before denitrating flue gas is carried out, start each wind turbine successively in denitrating flue gas furnace cooling state, measure respectively 50%,
75%th, under the air quantity corresponding to 100% load, flow straightening grid, every layer of Flow Field Distribution for being catalyzed grid face, deflection angular measurement, with
And the import of every layer of catalyst, total equipment for denitrifying flue gas ontology to the pressure drop exported is detected.Under the control of control terminal,
By wind direction testing agency judge wind turbine blow out wind whether be evenly distributed blow to catalysis grid, by catalyst jet pipe
Catalyst squit hole will be on the catalyst ejector shape catalysis grid in catalyst storage tank.Denitrating flue gas stove setting catalysis grid,
Flue gas and catalyst can be come into full contact in denitrating flue gas stove, denitrating flue gas effect can be greatly improved.
Preferably, it is equipped with the lower guiding parallel with catalysis grid in the denitrating flue gas stove below lowest level catalysis grid
Bar is equipped with by the mobile No.1 moving telescopic mechanism with stretching of lower drive system driving on lower guide rod, is stretched in No.1 movement
The telescopic rod of contracting mechanism is equipped with the tube core line lower detection pipe parallel with being catalyzed grid；Denitrating flue gas stove above flow straightening grid
It is interior to be equipped with the upper guide rod parallel with catalysis grid, it is equipped on upper guide rod by upper drive system driving movement and flexible two
Number moving telescopic mechanism is equipped with the tube core line upper detection parallel with catalysis grid on the telescopic rod of No. two moving telescopic mechanisms
Pipe, and the tube core line of upper detection pipe and the tube core line of lower detection pipe are in same perpendicular；The front tube of upper detection pipe
Mouthful be bent to form nozzle upper vertical section pipe directed downwardly downwards, be equipped in upper vertical section pipe can orient irradiate downward it is luminous
Lamp；The front end nozzle of lower detection pipe is bent to form the lower vertical section pipe of nozzle upward upward vertically, is equipped in lower vertical section pipe
Photoelectric sensor；The control terminal of No.1 moving telescopic mechanism, the control terminal of No. two moving telescopic mechanisms, the control terminal of electroluminescent lamp and
Photoelectric sensor is connect respectively with controller.
By photoelectric sensor whether be able to detect that the light signal of electroluminescent lamp judge the grate opening of flow straightening grid and
Whether the grate opening of catalysis grid blocks, since photoelectric sensor and electroluminescent lamp planar face can be moved arbitrarily, from
And whether the one group of vertical holes that can detect each grate opening face blocks, as long as one of grate opening blocks, then
Photoelectric sensor cannot detect the signal of electroluminescent lamp.After if the plugging rate of grate opening reaches setting value, need to grate opening
Carry out borehole cleaning maintenance.
Preferably, wind direction testing agency includes, in coniform cone box and flex, boring the top of box by rubbing line suspention
In flow straightening grid following table at honeycomb mesh intersecting point；The drift angle sensing of cone box swing angle can be detected by being equipped in cone box
Device, angle sensor are connect with controller.
Whether angle sensor can detect is blown downwards by the wind of honeycomb mesh, when angle sensor detect it is inclined
When moving angle more than set angle, then explanation point is not blown downwards.
Preferably, it is equipped on middle guide rod by the shake eccentric wheel of rotating driving system driving rotation；Rotation driving
The control terminal of system is connect with controller.Shake eccentric wheel can shake catalysis grid, remove the grate opening of catalysis grid
In tamper.
Preferably, sliding the rotation sliding tube for being equipped with and being driven by No.1 drive system on middle guide rod, slided in rotation
Dynamic pipe is equipped with No.1 telescoping mechanism, and grid brush, the control of No.1 drive system are equipped on the telescopic rod of No.1 telescoping mechanism
The control terminal of end and No.1 telescoping mechanism is connect respectively with controller.Grid brush can carry out brushing operation to catalysis grid, remove
The attachment being catalyzed in the grate opening of grid.
Preferably, the upper cover driven by upper cover drive system is equipped on the nozzle of upper vertical section pipe, in lower vertical section
The nozzle of pipe is equipped with the lower cover driven by lower cover drive system, the control of the control terminal and lower cover drive system of upper cover drive system
End processed is connect respectively with controller.Upper cover can protect electroluminescent lamp, and upper cover could be only opened when using electroluminescent lamp.Under
Lid can protect photoelectric sensor, and lower cover could be only opened when using photoelectric sensor.
A kind of flow field survey side suitable for the SCR denitration system catalyst abrasion analysis of causes system based on performance test
Method includes the following steps：
Cigarette air duct is divided into the square that the length of side is 600mm~800mm by S1 grid divisions；
S2 measures each grid corner point wind speed and adherent wind speed using airspeedometer, and the number for having and deviating considerably from is given up in measurement
According to；
S3 summarizes there emerged a denitration inlet flow field under load according to measured wind speed and is distributed；
S4 transformation operating modes repeat above-mentioned test procedure；
S5 deflects angular measurement
Appropriate ribbon is tied in grid corner point by S5.1；
S5.2 measures deflection angle of the ribbon relative to three-dimensional cartesian coordinate system x, y, z axis respectively using level meter with inclinometer
α, β, γ are spent, available units vector represents；
S5.3 drop measurements
S5.3.1 measures static pressure using differential manometer with section multiple spot homalographic, and arithmetic mean of instantaneous value is taken to measurement result；
S5.3.2 calculates the pressure drop of every layer of catalyst, total Benitration reactor ontology according to static pressure numerical value.
The present invention can reach following effect：
The present invention judges what whether the wind of wind turbine blowout was evenly distributed under the control of control terminal, by wind direction testing agency
Catalysis grid is blowed to, is catalyzed the catalyst ejector shape in catalyst storage tank by the catalyst squit hole on catalyst jet pipe
On grid.Denitrating flue gas stove setting catalysis grid, flue gas and catalyst can be come into full contact in denitrating flue gas stove, can carry significantly
High denitrating flue gas effect.It is safe, good reliability.
Description of the drawings
Fig. 1 is a kind of attachment structure schematic diagram of the embodiment of the present invention.
Fig. 2 is a kind of local attachment structure schematic diagram of the embodiment of the present invention.
A kind of circuit theory connection structure schematic block diagram of Fig. 3 embodiment of the present invention.
Specific embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings；
Embodiment, the SCR denitration system catalyst abrasion analysis of causes system based on performance test, referring to Fig. 1, Fig. 2, figure
Shown in 3, including equipment for denitrifying flue gas ontology, controller 42 is further included, equipment for denitrifying flue gas ontology includes denitrating flue gas stove 23, is in
If stratiform is between the upper and lower every in the dried layer catalysis grid 22 being arranged in denitrating flue gas stove, the denitrating flue gas stove above flow straightening grid
Equipped with several wind turbines 13；The middle guide rod parallel with catalysis grid is respectively equipped at the both ends that adjacent two layers are catalyzed between grid
20, it slides and is equipped with by the mobile sliding tube 32 of middle drive system driving on middle guide rod, be fixedly connected with and urge on sliding tube
Agent jet pipe 33, on the tube wall of catalyst jet pipe be equipped with several catalyst squit holes 38, one be equipped with take out agent pump 39 one
The both ends docking of number conduit 35 is connected on one end nozzle of catalyst jet pipe and the catalyst storage of equipment for denitrifying flue gas ontology
On the delivery outlet of tank 34, one end docking of No. two conduits 36 for being equipped with solenoid valve 37 is connected to the other end of catalyst jet pipe
On nozzle；Flow straightening grid 16 is equipped in the denitrating flue gas stove above top layer's catalysis grid, in each rectification of flow straightening grid
14 are all respectively equipped with wind direction testing agency 41 at grid intersecting point；The grid of the grate opening 15 of flow straightening grid and every layer of catalysis grid
All vertical face is arranged one by one in hole 21；The control terminal of wind turbine 13, the control terminal of middle drive system 48, take out agent pump 39 control terminal and
Wind direction testing agency 41 connect respectively with controller.The smoke inlet 11 of denitrating flue gas stove is located at top, the smoke of denitrating flue gas stove
Mouth 25 is located at top.
The lower guide rod 24 parallel with catalysis grid is equipped in the denitrating flue gas stove below lowest level catalysis grid, under
Guide rod, which is equipped with, is driven mobile and flexible No.1 moving telescopic mechanism 1 by lower drive system 47, in No.1 moving telescopic machine
The telescopic rod 4 of structure is equipped with the tube core line lower detection pipe 43 parallel with being catalyzed grid；Denitrating flue gas stove above flow straightening grid
It is interior be equipped with the parallel upper guide rod 12 of catalysis grid, be equipped on upper guide rod by upper drive system 46 drive it is mobile with it is flexible
No. two moving telescopic mechanisms 10, on the telescopic rod 9 of No. two moving telescopic mechanisms be equipped with tube core line be catalyzed grid it is parallel
Upper detection pipe 44, and the tube core line of upper detection pipe and the tube core line of lower detection pipe are in same perpendicular；Upper detection pipe
Front end nozzle be bent to form nozzle upper vertical section pipe 7 directed downwardly downwards, in upper vertical section pipe be equipped with can orient downward
The electroluminescent lamp 8 of irradiation；The front end nozzle of lower detection pipe is bent to form the lower vertical section pipe 3 of nozzle upward upward vertically, lower perpendicular
Photoelectric sensor 2 is equipped in straight section pipe；The control terminal of No.1 moving telescopic mechanism, the control terminal of No. two moving telescopic mechanisms, hair
The control terminal and photoelectric sensor of light lamp are connect respectively with controller.It is equipped with to be driven by upper cover on the nozzle of upper vertical section pipe and is
The upper cover 5 of system driving is equipped with the lower cover 6 driven by lower cover drive system, upper cover drive system on the nozzle of lower vertical section pipe
Control terminal and the control terminal of lower cover drive system connect respectively with controller.
Wind direction testing agency is included in coniform cone box 17 and flex 40, and the top for boring box is suspended in rectification by rubbing line
In flow straightening grid following table at grid intersecting point；The angle sensor of cone box swing angle, drift angle can be detected by being equipped in cone box
Sensor 18 is connect with controller.
It is equipped on middle guide rod by the shake eccentric wheel 27 of rotating driving system driving rotation；Rotating driving system 28
Control terminal is connect with controller.
The rotation sliding tube 19 for being equipped with and being driven by No.1 drive system 45 is slided on middle guide rod, on rotation sliding tube
Equipped with No.1 telescoping mechanism 29, grid brush 31, the control of No.1 drive system 45 are equipped on the telescopic rod 30 of No.1 telescoping mechanism
The control terminal of end processed and No.1 telescoping mechanism 29 is connect respectively with controller.
Before denitrating flue gas is carried out, start each wind turbine successively in denitrating flue gas furnace cooling state, measure respectively 50%,
75%th, under the air quantity corresponding to 100% load, flow straightening grid, every layer of Flow Field Distribution for being catalyzed grid face, deflection angular measurement, with
And the import of every layer of catalyst, total equipment for denitrifying flue gas ontology to the pressure drop exported is detected.Under the control of control terminal,
By wind direction testing agency judge wind turbine blow out wind whether be evenly distributed blow to catalysis grid, by catalyst jet pipe
Catalyst squit hole will be on the catalyst ejector shape catalysis grid in catalyst storage tank.Denitrating flue gas stove setting catalysis grid,
Flue gas and catalyst can be come into full contact in denitrating flue gas stove, denitrating flue gas effect can be greatly improved.
The lower guide rod parallel with catalysis grid is equipped in the denitrating flue gas stove below lowest level catalysis grid, is led under
It is equipped with to bar by the mobile No.1 moving telescopic mechanism with stretching of lower drive system driving, in stretching for No.1 moving telescopic mechanism
Contracting bar is equipped with the tube core line lower detection pipe parallel with being catalyzed grid；It is equipped in denitrating flue gas stove above flow straightening grid with urging
Change the parallel upper guide rod of grid, be equipped on upper guide rod by No. two mobile and flexible moving telescopics of upper drive system driving
Mechanism is equipped with the tube core line upper detection pipe parallel with being catalyzed grid, and upper inspection on the telescopic rod of No. two moving telescopic mechanisms
The tube core line of test tube and the tube core line of lower detection pipe are in same perpendicular；The front end nozzle of upper detection pipe is curved downwards
Folding forms nozzle upper vertical section pipe directed downwardly, and the electroluminescent lamp that can be oriented and irradiate downward is equipped in upper vertical section pipe；Lower detection pipe
Front end nozzle be bent to form the lower vertical section pipe of nozzle upward upward vertically, in lower vertical section pipe be equipped with photoelectric sensor；
Control terminal, the control terminal of electroluminescent lamp and the photoelectric sensor of the control terminal of No.1 moving telescopic mechanism, No. two moving telescopic mechanisms
It is connect respectively with controller.
Judge the grate opening of flow straightening grid by the way that whether photoelectric sensor is able to detect that 26 signal of light of electroluminescent lamp
Whether blocked with the grate opening of catalysis grid, since photoelectric sensor and electroluminescent lamp planar face can be moved arbitrarily,
So as to which whether the one group of vertical holes that can detect each grate opening face blocks, as long as one of grate opening blocks,
Then photoelectric sensor cannot detect the signal of electroluminescent lamp.After if the plugging rate of grate opening reaches setting value, need to grid
Hole carries out borehole cleaning maintenance.
Whether angle sensor can detect is blown downwards by the wind of honeycomb mesh, when angle sensor detect it is inclined
When moving angle more than set angle, then explanation point is not blown downwards.
Shake eccentric wheel can shake catalysis grid, remove the tamper in the grate opening of catalysis grid.
Grid brush can carry out catalysis grid to brush operation, remove the attachment in the grate opening of catalysis grid.
Upper cover can protect electroluminescent lamp, and upper cover could be only opened when using electroluminescent lamp.Lower cover can be to photoelectric transfer
Sensor is protected, and lower cover could be only opened when using photoelectric sensor.
A kind of flow field survey side suitable for the SCR denitration system catalyst abrasion analysis of causes system based on performance test
Method includes the following steps：
Cigarette air duct is divided into the square that the length of side is 600mm~800mm by S1 grid divisions；
S2 measures each grid corner point wind speed and adherent wind speed using airspeedometer, and the number for having and deviating considerably from is given up in measurement
According to；
S3 summarizes there emerged a denitration inlet flow field under load according to measured wind speed and is distributed；
S4 transformation operating modes repeat above-mentioned test procedure；
S5 deflects angular measurement
Appropriate ribbon is tied in grid corner point by S5.1；
S5.2 measures deflection angle of the ribbon relative to three-dimensional cartesian coordinate system x, y, z axis respectively using level meter with inclinometer
α, β, γ are spent, available units vector represents；
S5.3 drop measurements
S5.3.1 measures static pressure using differential manometer with section multiple spot homalographic, and arithmetic mean of instantaneous value is taken to measurement result；
S5.3.2 calculates the pressure drop of every layer of catalyst, total Benitration reactor ontology according to static pressure numerical value.
Before denitrating flue gas is carried out, start each wind turbine successively in denitrating flue gas furnace cooling state, measure respectively 50%,
75%th, under the air quantity corresponding to 100% load, flow straightening grid, every layer of Flow Field Distribution for being catalyzed grid face, deflection angular measurement, with
And the import of every layer of catalyst, total equipment for denitrifying flue gas ontology to the pressure drop exported is detected.Under the control of control terminal,
By wind direction testing agency judge wind turbine blow out wind whether be evenly distributed blow to catalysis grid, by catalyst jet pipe
Catalyst squit hole will be on the catalyst ejector shape catalysis grid in catalyst storage tank.Denitrating flue gas stove setting catalysis grid,
Flue gas and catalyst can be come into full contact in denitrating flue gas stove, denitrating flue gas effect can be greatly improved.
Claims (7)
1. the SCR denitration system catalyst abrasion analysis of causes system based on performance test, including equipment for denitrifying flue gas ontology,
Be characterized in that, further include controller, equipment for denitrifying flue gas ontology includes denitrating flue gas stove, in stratiform between the upper and lower every being arranged in flue gas
If the dried layer catalysis grid in denitration furnace, several wind turbines are equipped in the denitrating flue gas stove above flow straightening grid；In adjacent two layers
Both ends between catalysis grid are respectively equipped with the middle guide rod parallel with catalysis grid, slide and are equipped with by middle drive on middle guide rod
The sliding tube of dynamic system drive movement, catalyst jet pipe is fixedly connected on sliding tube, is set on the tube wall of catalyst jet pipe
There are several catalyst squit holes, a both ends docking for being equipped with the No.1 conduit for taking out agent pump is connected to one end of catalyst jet pipe
On nozzle and on the delivery outlet of the catalyst storage tank of equipment for denitrifying flue gas ontology, the one of No. two conduit for being equipped with solenoid valve
End docking is connected on the other end nozzle of catalyst jet pipe；It is equipped in the denitrating flue gas stove above top layer's catalysis grid whole
Grid is flowed, wind direction testing agency is respectively equipped at each honeycomb mesh intersecting point of flow straightening grid；The grid of flow straightening grid
The grate opening of hole and every layer of catalysis grid all arrange one by one by vertical face；The control terminal of wind turbine, is taken out at the control terminal of middle drive system
The control terminal of agent pump and wind direction testing agency connect respectively with controller.
2. the SCR denitration system catalyst abrasion analysis of causes system according to claim 1 based on performance test, special
Sign is, is equipped with the lower guide rod parallel with catalysis grid in the denitrating flue gas stove below lowest level catalysis grid, is led under
It is equipped with to bar by the mobile No.1 moving telescopic mechanism with stretching of lower drive system driving, in stretching for No.1 moving telescopic mechanism
Contracting bar is equipped with the tube core line lower detection pipe parallel with being catalyzed grid；It is equipped in denitrating flue gas stove above flow straightening grid with urging
Change the parallel upper guide rod of grid, be equipped on upper guide rod by No. two mobile and flexible moving telescopics of upper drive system driving
Mechanism is equipped with the tube core line upper detection pipe parallel with being catalyzed grid, and upper inspection on the telescopic rod of No. two moving telescopic mechanisms
The tube core line of test tube and the tube core line of lower detection pipe are in same perpendicular；The front end nozzle of upper detection pipe is curved downwards
Folding forms nozzle upper vertical section pipe directed downwardly, and the electroluminescent lamp that can be oriented and irradiate downward is equipped in upper vertical section pipe；Lower detection pipe
Front end nozzle be bent to form the lower vertical section pipe of nozzle upward upward vertically, in lower vertical section pipe be equipped with photoelectric sensor；
Control terminal, the control terminal of electroluminescent lamp and the photoelectric sensor of the control terminal of No.1 moving telescopic mechanism, No. two moving telescopic mechanisms
It is connect respectively with controller.
3. the SCR denitration system catalyst abrasion analysis of causes system according to claim 1 based on performance test, special
Sign is that wind direction testing agency is included in coniform cone box and flex, and the top for boring box is suspended in honeycomb mesh by rubbing line
In flow straightening grid following table at intersecting point；The angle sensor of cone box swing angle can be detected by being equipped in cone box, drift angle sensing
Device is connect with controller.
4. the SCR denitration system catalyst abrasion analysis of causes system according to claim 1 based on performance test, special
Sign is, is equipped on middle guide rod by the shake eccentric wheel of rotating driving system driving rotation；The control of rotating driving system
End is connect with controller.
5. the SCR denitration system catalyst abrasion analysis of causes system according to claim 1 based on performance test, special
Sign is, the rotation sliding tube for being equipped with and being driven by No.1 drive system is slided on middle guide rod, is equipped on rotation sliding tube
No.1 telescoping mechanism is equipped with grid brush on the telescopic rod of No.1 telescoping mechanism, and the control terminal and No.1 of No.1 drive system are stretched
The control terminal of contracting mechanism is connect respectively with controller.
6. the SCR denitration system catalyst abrasion analysis of causes system according to claim 2 based on performance test, special
Sign is, the upper cover driven by upper cover drive system is equipped on the nozzle of upper vertical section pipe, on the nozzle of lower vertical section pipe
Equipped with the lower cover driven by lower cover drive system, the control terminal of upper cover drive system and the control terminal of lower cover drive system respectively with
Controller connects.
7. a kind of be suitable for the SCR denitration system catalyst abrasion analysis of causes system described in claim 1 based on performance test
The flow field measurement method of system, which is characterized in that include the following steps：
Cigarette air duct is divided into the square that the length of side is 600mm~800mm by S1 grid divisions；
S2 measures each grid corner point wind speed and adherent wind speed using airspeedometer, and the data for having and deviating considerably from are given up in measurement；
S3 summarizes there emerged a denitration inlet flow field under load according to measured wind speed and is distributed；
S4 transformation operating modes repeat above-mentioned test procedure；
S5 deflects angular measurement
Appropriate ribbon is tied in grid corner point by S5.1；
S5.2 using level meter and inclinometer measure respectively ribbon relative to three-dimensional cartesian coordinate system x, y, z axis deflection angle α,
β, γ, available units vector represent；
S5.3 drop measurements
S5.3.1 measures static pressure using differential manometer with section multiple spot homalographic, and arithmetic mean of instantaneous value is taken to measurement result；
S5.3.2 calculates the pressure drop of every layer of catalyst, total Benitration reactor ontology according to static pressure numerical value.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419883.XA CN108144445B (en) | 2017-12-25 | 2017-12-25 | SCR deNOx systems catalyst wearing and tearing reason analytic system based on performance test |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201711419883.XA CN108144445B (en) | 2017-12-25 | 2017-12-25 | SCR deNOx systems catalyst wearing and tearing reason analytic system based on performance test |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108144445A true CN108144445A (en) | 2018-06-12 |
| CN108144445B CN108144445B (en) | 2020-06-05 |
Family
ID=62465435
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201711419883.XA Active CN108144445B (en) | 2017-12-25 | 2017-12-25 | SCR deNOx systems catalyst wearing and tearing reason analytic system based on performance test |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108144445B (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014178337A1 (en) * | 2013-05-01 | 2014-11-06 | 東京博善株式会社 | Cremation system and cremation method |
| CN105944463A (en) * | 2016-06-27 | 2016-09-21 | 江苏瑞洁环境工程科技有限责任公司 | Energy-saving SCR denitration combined device |
| CN207734845U (en) * | 2017-12-25 | 2018-08-17 | 中国能源建设集团华东电力试验研究院有限公司 | A kind of SCR denitration system catalyst abrasion analysis of causes system based on performance test |
-
2017
- 2017-12-25 CN CN201711419883.XA patent/CN108144445B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2014178337A1 (en) * | 2013-05-01 | 2014-11-06 | 東京博善株式会社 | Cremation system and cremation method |
| CN105944463A (en) * | 2016-06-27 | 2016-09-21 | 江苏瑞洁环境工程科技有限责任公司 | Energy-saving SCR denitration combined device |
| CN207734845U (en) * | 2017-12-25 | 2018-08-17 | 中国能源建设集团华东电力试验研究院有限公司 | A kind of SCR denitration system catalyst abrasion analysis of causes system based on performance test |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108144445B (en) | 2020-06-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106000007A (en) | Simulation system and method for wet desulphurization flow fields | |
| CN201524524U (en) | Analog platform of flow field distribution structure of flue gas denitration device | |
| CN101543720B (en) | Integrated physical simulation system of selective catalytic reduction and denitration reactor of flue gas of coal burning boiler | |
| CN102410975B (en) | Wind-tunnel smoke dust concentration generator calibrator | |
| CN105983302A (en) | Component detection and ammonia spraying control system of SCR denitrification process | |
| CN104198344A (en) | Airflow-fog drop-dust three-phase medium coupling sedimentation experimental device and method | |
| CN106237739A (en) | A kind of sack cleaner experimental system and experimental technique thereof | |
| CN101281698A (en) | Simulation platform and test method for flow field arrangement structure of flue gas denitration apparatus | |
| CN204228210U (en) | A kind of wear-resisting type self-cleaning flow measurement device | |
| CN204882168U (en) | Large -sized boiler flue net sampling device | |
| CN104061964B (en) | A kind of test system and its method of testing of house kitchen central exhaust gas extraction system | |
| CN207703683U (en) | A kind of wet desulphurization chimney simulation test apparatus | |
| CN108333004A (en) | A kind of fume extraction system and fume extraction method applied to the escaping of ammonia detection | |
| CN101109741B (en) | Device for testing and analyzing warehouse separated type denitrated catalyzer | |
| CN206114017U (en) | Multiple spot matrix flow measuring device | |
| CN106076115A (en) | The flow field detecting system of SCR denitration technique | |
| CN208872572U (en) | Flue gas even distribution sampling system | |
| CN101846663B (en) | Rapid on-line diagnosis method for deactivation condition of SCR (selective catalytic reduction) denitration catalyst | |
| CN202382921U (en) | Vertical type circulation wind tunnel | |
| CN207734845U (en) | A kind of SCR denitration system catalyst abrasion analysis of causes system based on performance test | |
| CN208091786U (en) | A kind of fume extraction system applied to the escaping of ammonia detection | |
| CN108144445A (en) | SCR denitration system catalyst abrasion analysis of causes system based on performance test | |
| CN206184136U (en) | Bag collector experimental system | |
| CN201431856Y (en) | Integrated physical simulation system of reactor for selective catalytic and reducing denitration of flue gas of coal-fired boiler | |
| CN204142609U (en) | The experimental provision of distinguished and admirable-droplet-dust three-phase medium coupling settlement |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |