CN107837677A - Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field - Google Patents
Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field Download PDFInfo
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- CN107837677A CN107837677A CN201710822176.9A CN201710822176A CN107837677A CN 107837677 A CN107837677 A CN 107837677A CN 201710822176 A CN201710822176 A CN 201710822176A CN 107837677 A CN107837677 A CN 107837677A
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- flue
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- scr inlet
- inlet temperature
- collector
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- 238000000034 method Methods 0.000 title claims abstract description 11
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000003546 flue gas Substances 0.000 claims abstract description 43
- 239000007789 gas Substances 0.000 claims abstract description 23
- 229910000831 Steel Inorganic materials 0.000 claims description 25
- 239000010959 steel Substances 0.000 claims description 25
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 16
- 235000019504 cigarettes Nutrition 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 7
- 229910052751 metal Inorganic materials 0.000 claims description 6
- 239000002184 metal Substances 0.000 claims description 6
- 230000008859 change Effects 0.000 claims description 5
- 230000000149 penetrating effect Effects 0.000 claims description 5
- 230000003014 reinforcing effect Effects 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 6
- 238000013461 design Methods 0.000 description 4
- 230000009466 transformation Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000007921 spray Substances 0.000 description 2
- 230000005619 thermoelectricity Effects 0.000 description 2
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 description 1
- 229940095054 ammoniac Drugs 0.000 description 1
- BIGPRXCJEDHCLP-UHFFFAOYSA-N ammonium bisulfate Chemical compound [NH4+].OS([O-])(=O)=O BIGPRXCJEDHCLP-UHFFFAOYSA-N 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000008030 elimination Effects 0.000 description 1
- 238000003379 elimination reaction Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 229910000069 nitrogen hydride Inorganic materials 0.000 description 1
- 231100000572 poisoning Toxicity 0.000 description 1
- 230000000607 poisoning effect Effects 0.000 description 1
- FGIUAXJPYTZDNR-UHFFFAOYSA-N potassium nitrate Chemical compound [K+].[O-][N+]([O-])=O FGIUAXJPYTZDNR-UHFFFAOYSA-N 0.000 description 1
- 238000010248 power generation Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 238000009418 renovation Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 238000013517 stratification Methods 0.000 description 1
- 229910052720 vanadium Inorganic materials 0.000 description 1
- LEONUFNNVUYDNQ-UHFFFAOYSA-N vanadium atom Chemical group [V] LEONUFNNVUYDNQ-UHFFFAOYSA-N 0.000 description 1
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
-
- 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
Landscapes
- 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)
- Exhaust Gas After Treatment (AREA)
Abstract
Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field the present invention relates to a kind of, the system includes：The turbulent baffle being hinged on the walling of flue of SCR inlet vertical gas pass, the turbulent baffle jointed crank connecting rod mechanism, the anglec of rotation of turbulent baffle is controlled by the crank connecting, the turbulent baffle rotates between 0 ° to 90 °, the flow-disturbing flow-stopping plate is under 0 ° of state, the walling of flue that the turbulent baffle is bonded the SCR inlet vertical gas pass is set, and the facing walling of flue of the SCR inlet vertical gas pass is provided with the temperature sensor for being used for obtaining the flue gas passed through in flue.
Description
Technical field
Solves the vertical gas pass turbulent baffle that SCR inlet temperature flow field is uneven after gas bypass is transformed the present invention relates to a kind of
Technology.
Background technology
Thermal power generation unit uses SCR denitration technology at present, and nucleus equipment is vanadium Ti-base catalyst, the work in catalyst
Property composition is V2O5.Catalyst typically allows running temperature section at 300~420 DEG C, when flue-gas temperature is less than 300 DEG C, takes off
The ammonia of nitre entrance can generate sulfate of ammoniac and hydrogen sulfate ammonia (commonly referred to as ABS) with the SO3 reactions in flue gas, in certain temperature region
In the range of, ABS is that liquid easily penetrates into denitrating catalyst capillary micropore, hinders NH3 and NO in flue gas to be diffused into catalyst activity
Grain surface carries out reduction reaction, causes catalyst activity to reduce or fail, causes catalyst poisoning, leads to for this equipment for denitrifying flue gas
Standing fixed minimum continuous spray ammonia temperature MOT, the temperature are usually set to 300 DEG C or so.When SCR inlet flue-gas temperature is less than 300
DEG C, it is necessary to stop spray ammonia (or spraying ammonia in short term).
Because the boiler gone into operation before 2008 does not design denitrification apparatus substantially, thus most boilers there is
The problem of economizer exit cigarette temperature is less than 300 DEG C during 50%-70% loads；In addition by recent years, fired power generating unit is averagely using small
When the influence that declines, fired power generating unit rate of load condensate reduces year by year, in indivedual periods power scheduling require that unit maintains 50% load
Operation, former boiler of the design with denitrification apparatus is set the problem of SCR inlet flue-gas temperature is low during underload also occur；
National Energy Board 2016 continuously holds a meeting and sent the documents at the beginning of the year, proposes clearly to carrying out thermoelectricity flexibility transformation
Ask, China implements the flexibility transformation of 2.2 hundred million kilowatts of coal units during plan " 13 ", unit is possessed depth peak regulation
Power, and further increase load -response-speed, part of generating units possesses rapid starting/stopping peak modulation capacity.Lifting flexibility transformation is expected will
Thermoelectricity unit is set to increase the peak modulation capacity of 20% rated capacity, minimum technology, which is contributed, reaches 40%~50% rated capacity；Pure condensate
Unit increases the peak modulation capacity of 15%~20% rated capacity, and minimum technology, which is contributed, reaches 30%~35% rated capacity.
Under the forcing of above-mentioned situation, power plant takes boiler to meet that unit is less than 50% load and following operation
Tail flue gas bypass flue renovation technique, the method that the high-temperature flue gas by extracting anterior flue mixes with low-temperature flue gas, improve
SCR inlet flue-gas temperature, meet that denitrification apparatus puts into temperature requirements during underload.
In view of the defects of above-mentioned, the design people is actively subject to research and innovation, to design a kind of solution SCR inlet temperature stream
The uneven horizontal flue flow-disturbing system in field, make it with more the value in industry.
The content of the invention
To solve above-mentioned technology, safety problem, it is an object of the invention to provide a kind of laminar condition for being sufficiently destroyed flue gas,
Flue gas is sufficiently mixed, flue gas bulk temperature is reached unanimity, thoroughly eliminates temperature flow field deviation.
The present invention solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, including：It is arranged in flue collector
Turbulent baffle, the turbulent baffle are hinged in the side wall of flue collector by rotary shaft, and the turbulent baffle is in rotating driving device
Driving under by fulcrum of the rotary shaft carry out rotation in 0 ° between 90 °, the flow-disturbing flow-stopping plate is described under 0 ° of state
The side wall that turbulent baffle is bonded the flue collector is set, and the turbulent baffle is horizontal, the SCR inlet vertical gas pass phase
The walling of flue faced is provided with the temperature sensor for being used for obtaining the flue gas passed through in flue.
Further, the length of the turbulent baffle is not less than the 1/2 of flue collector, and the length of the turbulent baffle is little
In the 2/3 of flue collector.
Further, the rotating driving device includes：Hoist engine, the steel wire being connected with the turbulent baffle one end
Rope, the fixed pulley that the steel wire penetrating is arranged in flue collector side wall are connected with hoist engine.
Further, the cigarette machine is arranged on outside flue collector, and the hoist engine is driven by reducing motor.
Further, the upper side wall of the flue collector is provided with the perforate passed for the steel wire rope, is set in the perforate
There are metal circular tube, metal circular tube described in the steel wire penetrating.
Further, the angle between the walling of flue of flue collector of the turbulent baffle is in flow-disturbing when being more than 0 °
The opening of baffle plate is towards flue gas circulating direction in flue collector.
Further, the position that the turbulent baffle is connected with the steel wire is provided with reinforcing plate, is set in the reinforcing plate
There is the connector being connected with the steel wire rope.
Further, described temperature sensor is arranged on below ammonia injector.
The present invention solves the uneven horizontal flue flow-disturbing method in SCR inlet temperature flow field, including above-mentioned solution SCR inlet
The uneven horizontal flue flow-disturbing system in temperature flow field, methods described specifically include：
Two temperature sensors detect that the out of stock mouth entrance vertical gas pass both sides cigarette temperature difference more than when reaching 10 DEG C, makes disturbance
Baffle plate forms angle [alpha] with flue collector top, and α is more than 0 °, after the flue gas mixing that flue collector top and bypass flue come, kept off by disturbance
The stop of plate is forced to change direction, is folded to the bottom of flue collector, is fully disturbed and mixed with flue collector bottom flue gas, top
It is entirely destroyed with the laminar flow watershed area of bottom flue gas, smoke-filling movement reaches unanimity, and eliminates flue-gas temperature deviation, described to disturb
The size of dynamic baffle plate and the angle α of flue collector upper side wall, is adjusted according to out of stock mouth entrance vertical gas pass.
By such scheme, the present invention, which solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, at least to be had
Advantages below：
Disturbance baffle plate can effectively change flue collector top and bypass flue flue gas flow direction, and make flue collector top, bypass cigarette
Road and flue collector bottom three parts flue gas are fully disturbed and mixed, and thorough elimination is inclined due to the flue-gas temperature that laminar flow boundary layer is brought
Difference.
Steel wire rope can be released by hoist engine, disturbance gear can be adjusted flexibly according to the size of the vertical flue both sides cigarette temperature difference
Plate angle degree, reach the purpose for eliminating gas temperature windage.
When gas bypass is out of service and during smokeless temperature deviation, passes through hoist engine and withdraws steel wire rope, disturb baffle plate quilt
Pack up, one is formed with former flue.
With turbulent baffle is arranged in into flue collector bottom ratio, the problem of effectively prevent baffle plate lower return area's dust stratification.
Described above is only the general introduction of technical solution of the present invention, in order to better understand the technological means of the present invention,
And can be practiced according to the content of specification, below with presently preferred embodiments of the present invention and coordinate accompanying drawing describe in detail as after.
Brief description of the drawings
Fig. 1 is that back-end ductwork bypass transformation of the present invention and flue gas mix, flow pattern schematic figure；
Fig. 2 is that the present invention solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field and flue gas mixing, flowing shape
Body is illustrated；
Fig. 3 is that the part for the embodiment 1 that the present invention solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field is shown
It is intended to；
Fig. 4 is that the part for the embodiment 1 that the present invention solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field is shown
It is intended to；
In figure：Flue gas back-end ductwork 1；Out of stock body flue 2；Gas bypass 3；Gas bypass controllable register 4；Gas bypass
Turn off baffle plate 5；Economizer flue collector adjustable plate 6；Turbulent baffle 7；Pulley 8；Hoist engine 9；Steel wire rope 10.
Embodiment
With reference to the accompanying drawings and examples, the embodiment of the present invention is described in further detail.Implement below
Example is used to illustrate the present invention, but is not limited to the scope of the present invention.
Embodiment 1
As shown in Figures 1 to 4, the present embodiment solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, including：
The turbulent baffle being arranged in flue collector, the turbulent baffle are hinged in the side wall of flue collector by rotary shaft, the flow-disturbing gear
Plate carries out rotation in 0 ° between 90 °, the flow-disturbing baffle under the driving of rotating driving device by fulcrum of the rotary shaft
Plate is under 0 ° of state, and the side wall that the turbulent baffle is bonded the flue collector is set, and the turbulent baffle is horizontal, described
The facing walling of flue of SCR inlet vertical gas pass is provided with the temperature sensor for being used for obtaining the flue gas passed through in flue.
In the present embodiment, the rotating driving device includes：Hoist engine, the steel wire being connected with the turbulent baffle one end
Rope, the fixed pulley that the steel wire penetrating is arranged in flue collector side wall are connected with hoist engine.The cigarette machine is arranged on main cigarette
Outside road, and the hoist engine is driven by reducing motor.
The present embodiment solves the operation principle of the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field：
First in the top of gas bypass exit flue collector, the turbulent baffle of one adjustable angle of installation.Turbulent baffle
Rotary shaft be welded on flue collector casing top, baffle plate is using rotary shaft as fulcrum.
The angle adjustment of turbulent baffle is controlled up and down by the folding and unfolding steel wire rope of hoist engine 9.Angle is in size by elevator
The rope capacity that machine is sent into stove determines.
After gas bypass is put into, during the SCR inlet vertical gas pass both sides cigarette temperature difference larger (reaching 10 DEG C), to denitration
The safe operation of agent forms certain threat, now releases steel wire rope 10 by hoist engine 9, and disturbance baffle plate is put down, makes to disturb
Dynamic baffle plate forms certain angle [alpha] with flue top.
After the flue gas mixing that flue collector top and bypass flue come, it is forced to change direction by the stop of disturbance baffle plate, is folded to
The bottom of flue collector, fully disturbed and mixed with flue collector bottom flue gas, top and the laminar flow watershed area quilt of bottom flue gas
Thoroughly destroy, smoke-filling movement reaches unanimity, and eliminates flue-gas temperature deviation.
Disturbance baffle plate is hung down the size of angle [alpha] in stove, and putting for steel wire rope is adjusted according to vertical flue both sides gas temperature windage value
Go out length.
Embodiment 2
The present embodiment solves the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, on the basis of embodiment 1,
The upper side wall of the flue collector is provided with the perforate passed for the steel wire rope, metal circular tube is provided with the perforate, in order to subtract
The frictional resistance of few steel wire rope, metal circular tube described in the steel wire penetrating.In order to reduce impact of the flue gas to turbulent baffle, institute
The angle between the walling of flue of flue collector for stating turbulent baffle is in when being more than 0 °, and the opening of the turbulent baffle is towards flue collector
Interior flue gas circulating direction.
In the various embodiments described above, the position that the turbulent baffle is connected with the steel wire is provided with reinforcing plate, the reinforcement
Plate is provided with the connector being connected with the steel wire rope.
In the various embodiments described above, in order to preferably have the function that flow-disturbing, the length of the turbulent baffle is not less than
The 1/2 of flue collector, and the length of the turbulent baffle is not more than the 2/3 of flue collector.
In the various embodiments described above, described temperature sensor is arranged on below ammonia injector.
Embodiment 3
The present embodiment solves the uneven horizontal flue flow-disturbing method in SCR inlet temperature flow field, including above-described embodiment 1 or 2
Any described horizontal flue flow-disturbing system for solving SCR inlet temperature flow field inequality, methods described specifically include：
Two temperature sensors detect that the out of stock mouth entrance vertical gas pass both sides cigarette temperature difference more than when reaching 10 DEG C, makes disturbance
Baffle plate forms angle [alpha] with flue collector top, and α is more than 0 °, after the flue gas mixing that flue collector top and bypass flue come, kept off by disturbance
The stop of plate is forced to change direction, is folded to the bottom of flue collector, is fully disturbed and mixed with flue collector bottom flue gas, top
It is entirely destroyed with the laminar flow watershed area of bottom flue gas, smoke-filling movement reaches unanimity, and eliminates flue-gas temperature deviation, described to disturb
The size of dynamic baffle plate and the angle α of flue collector upper side wall, is adjusted according to out of stock mouth entrance vertical gas pass.
Described above is only the preferred embodiment of the present invention, is not intended to limit the invention, it is noted that for this skill
For the those of ordinary skill in art field, without departing from the technical principles of the invention, can also make it is some improvement and
Modification, these improvement and modification also should be regarded as protection scope of the present invention.
Claims (9)
1. a kind of solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, it is characterised in that including：It is arranged on master
Turbulent baffle in flue, the turbulent baffle are hinged in the side wall of flue collector by rotary shaft, and the turbulent baffle is rotating
Rotation in 0 ° between 90 ° is carried out by fulcrum of the rotary shaft under the driving of drive device, the flow-disturbing flow-stopping plate is in 0 ° of shape
Under state, the side wall that the turbulent baffle is bonded the flue collector is set, and the turbulent baffle is horizontal, the SCR inlet
The facing walling of flue of vertical gas pass is provided with the temperature sensor for being used for obtaining the flue gas passed through in flue.
2. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the length of the turbulent baffle is not less than the 1/2 of flue collector, and the length of the turbulent baffle is not more than the 2/3 of flue collector.
3. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the rotating driving device includes：Hoist engine, the steel wire rope being connected with the turbulent baffle one end, the steel wire rope are worn
The fixed pulley being arranged in flue collector side wall is crossed to be connected with hoist engine.
4. according to claim 3 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the cigarette machine is arranged on outside flue collector, and the hoist engine is driven by reducing motor.
5. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the upper side wall of the flue collector is provided with the perforate passed for the steel wire rope, and metal circular tube is provided with the perforate, described
Metal circular tube described in steel wire penetrating.
6. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the angle between the walling of flue of flue collector of the turbulent baffle is in the opening direction of turbulent baffle when being more than 0 °
Flue gas circulating direction in flue collector.
7. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In the position that the turbulent baffle is connected with the steel wire is provided with reinforcing plate, and the reinforcing plate is provided with and the steel wire rope
The connector of connection.
8. according to claim 1 solve the uneven horizontal flue flow-disturbing system in SCR inlet temperature flow field, its feature exists
In described temperature sensor is arranged on below ammonia injector.
9. a kind of solve the uneven horizontal flue flow-disturbing method in SCR inlet temperature flow field, it is characterised in that including claim 1
To 8 any described horizontal flue flow-disturbing systems for solving SCR inlet temperature flow field inequality, methods described specifically includes：
Two temperature sensors detect that the out of stock mouth entrance vertical gas pass both sides cigarette temperature difference more than when reaching 10 DEG C, makes disturbance baffle plate
Angle [alpha] is formed with flue collector top, α is more than 0 °, after the flue gas mixing that flue collector top and bypass flue come, by disturbance baffle plate
Stop is forced to change direction, is folded to the bottom of flue collector, is fully disturbed and mixed with flue collector bottom flue gas, and top is with
The laminar flow watershed area of portion's flue gas is entirely destroyed, and smoke-filling movement reaches unanimity, and eliminates flue-gas temperature deviation, the disturbance gear
The size of plate and the angle α of flue collector upper side wall, adjusted according to out of stock mouth entrance vertical gas pass.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822176.9A CN107837677A (en) | 2017-09-13 | 2017-09-13 | Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710822176.9A CN107837677A (en) | 2017-09-13 | 2017-09-13 | Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field |
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| Publication Number | Publication Date |
|---|---|
| CN107837677A true CN107837677A (en) | 2018-03-27 |
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ID=61682806
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710822176.9A Pending CN107837677A (en) | 2017-09-13 | 2017-09-13 | Solves the uneven horizontal flue flow-disturbing system and method in SCR inlet temperature flow field |
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| CN (1) | CN107837677A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736380A (en) * | 2019-09-24 | 2020-01-31 | 青岛德固特节能装备股份有限公司 | air preheater base with spoiler wall |
| CN112611232A (en) * | 2020-12-17 | 2021-04-06 | 哈尔滨工业大学 | Multi-channel structure for preventing dust deposition of tail flue of industrial pulverized coal furnace |
| CN115405913A (en) * | 2022-08-31 | 2022-11-29 | 西安热工研究院有限公司 | System for improving SCR inlet flue gas temperature through deep peak shaving of coal-fired unit |
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| CN206152630U (en) * | 2016-08-26 | 2017-05-10 | 杭州明锐环保技术有限公司 | Online continuously adjustable nodal pattern SCR reactor flue gas flow straightener |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110736380A (en) * | 2019-09-24 | 2020-01-31 | 青岛德固特节能装备股份有限公司 | air preheater base with spoiler wall |
| CN112611232A (en) * | 2020-12-17 | 2021-04-06 | 哈尔滨工业大学 | Multi-channel structure for preventing dust deposition of tail flue of industrial pulverized coal furnace |
| CN115405913A (en) * | 2022-08-31 | 2022-11-29 | 西安热工研究院有限公司 | System for improving SCR inlet flue gas temperature through deep peak shaving of coal-fired unit |
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Application publication date: 20180327 |