CN105944463A - Energy-saving SCR denitration combined device - Google Patents
Energy-saving SCR denitration combined device Download PDFInfo
- Publication number
- CN105944463A CN105944463A CN201610471628.9A CN201610471628A CN105944463A CN 105944463 A CN105944463 A CN 105944463A CN 201610471628 A CN201610471628 A CN 201610471628A CN 105944463 A CN105944463 A CN 105944463A
- Authority
- CN
- China
- Prior art keywords
- scr denitration
- plate
- energy
- saving
- flue
- 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
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/0027—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions
- B01D46/0036—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours with additional separating or treating functions by adsorption or absorption
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
- B01D46/023—Pockets filters, i.e. multiple bag filters mounted on a common frame
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/66—Regeneration of the filtering material or filter elements inside the filter
- B01D46/74—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element
- B01D46/76—Regeneration of the filtering material or filter elements inside the filter by forces created by movement of the filter element involving vibrations
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (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)
- Dispersion Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Chimneys And Flues (AREA)
Abstract
The invention provides an energy-saving SCR denitration combined device. The energy-saving SCR denitration combined device comprises a coal saver, a first flue pipe, a cloth bag dust-removing device, a second flue pipe, an SCR denitration reactor, an air pre-heater and a flue gas desulfurization device which are sequentially connected, wherein elastic connecting components are arranged on contact surfaces of frameworks and dust-removing cloth bags in the cloth bag dust-removing device; a reductant injection mechanism and a flow guide wide plate are sequentially arranged in the second flue pipe, and a spray pipe in the reductant injection mechanism is wound on the inner wall of the second flue pipe; a pre-filtering plate and multiple catalyst layers are sequentially arranged in the SCR denitration reactor, and a wind homogenizing plate is arranged between every two catalyst layers, and secondary circulating components respectively extend upwards from the top of each wind homogenizing plate; and each catalyst layer is fixed on a placement frame, the placement frames are fixed on support rail platforms in a sliding manner, and a side door plate is arranged on the side wall of the SCR denitration reactor. By virtue of scientific combination, the wear schedule of the catalyst is effectively reduced, and the device is convenient to replace and detach.
Description
Technical field
The present invention relates to a kind of energy-saving SCR denitration combination unit.
Background technology
SCR denitration technique is under the effect of catalyst, and reducing agent (liquefied ammonia) generates harmless nitrogen and water with the reaction of nitrogen oxides in flue gas, thus removes the NOx in flue gas, and NOX is reduced into N2 and H2O.Not having by-product, be formed without secondary pollution, apparatus structure is simple, reliable, it is simple to the advantages such as maintenance, is extensively applied.
Enter at present the flue gas in SCR denitration device also to mix and wait other material grainses, if things go on like this can the abrasion of accelerator activator and blocking, affect reaction effect, be not easy again dismounting and change, the cost of increase enterprise operation.
Summary of the invention
The present invention provides a kind of energy-saving SCR denitration combination unit, reasonable in design, scientific combination, effectively will reduce the abrasion progress of catalyst, it is conveniently replaceable dismounting, dust impurity in flue gas is cleared up by the cost reducing enterprise simultaneously in time in time, improves denitration efficiency, extends the service life of catalyst.
The present invention is achieved by the following technical solutions: a kind of energy-saving SCR denitration combination unit, including the province's coal gas being sequentially connected with, the first flue tube, bag-type dust mechanism, the second flue tube, SCR denitration reactor, air preheater and flue gas desulfurization device, the in-house skeleton of wherein said bag-type dust is equipped with elastic connection element on the contact surface of dust-removal cloth-bag；Being sequentially provided with reducing agent injection mechanism and water conservancy diversion aerofoil in described second flue tube, the jet pipe in wherein said reducing agent injection mechanism coils on the inwall of described second flue tube, and described jet pipe sets gradually several nozzles；If setting gradually pre-filtering plate and dried layer catalyst layer in wherein said SCR denitration reactor, being equipped with homogenating plate between each two catalyst layer, the top of each described homogenating plate upwardly extends successively crosses, with each, the second-circulation part that air holes communicates；Wherein the top of pre-filtering plate is coated with activated carbon granule layer, the most each described catalyst layer is fixed on rack, wherein said rack slides on fixing supporting rail platform where rites are performed, and the sidewall of described SCR denitration reactor is provided with the side door plate suitable with each described rack.
It is as a further improvement on the present invention: being provided above of the most each described catalyst layer is shaken ash device.
It is as a further improvement on the present invention: each described second-circulation part is connected and fixed with described homogenating plate by card adapter plate.
It is as a further improvement on the present invention: described elastic connection element includes butterfly spring, guide pin bushing and guide pillar, wherein fixing described guide pillar in the inner chamber of each support loop bar in skeleton, the most each described guide pin bushing tilts to be fixed on described guide pillar by butterfly spring and the other end is connected with universal bearing through the surface of described support loop bar and fixes.
It is as a further improvement on the present invention: flue gas content monitoring system is set in the exit of described SCR denitration reactor, so can be so that staff monitors in real time, it is ensured that the effect of denitration.
When the present invention works: economizer flue gas out sequentially pass through first flue tube send into bag-type dust mechanism the dust inside flue gas is filtered, when dust-removal cloth-bag is jetted by pulse valve, dust-removal cloth-bag will collide with the support loop bar on skeleton, so universal bearing contacts with dust-removal cloth-bag, and utilize butterfly spring to increase the contractility of guide pin bushing, this ensure that the elastic force of dust-removal cloth-bag and contractility and reduce frictional force, the dust that will accumulate in time on dust-removal cloth-bag is shaken off.
It is then fed into the second flue tube reducing agent injection mechanism simultaneously and in the second flue tube, is sprayed into ammonia by nozzle by jet pipe, owing to jet pipe coils on the inwall of described second flue tube, flue gas so can be made to be sufficiently mixed with ammonia, then by water conservancy diversion aerofoil mixed flue gas is sent in SCR denitration reactor at the uniform velocity, need the flue gas of denitration through pre-filtering plate, and it is coated with activated carbon granule layer by adsorbing containing miscellaneous dust impurity by the top of pre-filtering plate, prevent the abrasion to catalyst layer；Then sequentially enter catalyst layer and carry out denitration reaction, the homogenating plate being provided with can effectively make flue gas uniformly be distributed entrance each catalyst layer fully react, ash can not only be kept off owing to being provided with second-circulation part, ensure that the stability of flow of flue gas can make flue gas more fully react with catalyst layer by coutroi velocity simultaneously, improve denitration effect；And it is readily accessible；Utilize the ash device that shakes to be shaken off by the dust pocket in catalyst layer and SCR denitration reactor in time, prevent blocking abrasion.
When needs more catalyst changeout, needing opening side door-plate as long as being opened by needs, rack slides out from supporting rail platform where rites are performed, is then taken out by the catalyst on rack, the catalyst more renewed；Out and utilize flue gas content monitoring device to monitor in time from SCR denitration reactor exit, finally sequentially pass through air preheater feeding desulfurizer and carry out desulfurization process.
The invention has the beneficial effects as follows: reasonable in design, scientific combination, effectively will reduce the abrasion progress of catalyst, it is conveniently replaceable dismounting, dust impurity in flue gas is cleared up by the cost reducing enterprise simultaneously in time in time, improves denitration efficiency, extends the service life of catalyst.
Accompanying drawing explanation
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the partial enlarged drawing knot of the A of the present invention；
Fig. 3 is the structural representation of the SCR denitration reactor of the present invention；
Wherein 1-saves coal gas, 2-the first flue tube, 3-bag-type dust mechanism, 4-the second flue tube, 5-SCR denitration reactor, 6-air preheater, 7-flue gas desulfurization device, 8-skeleton, 9-dust-removal cloth-bag, 10-elastic connection element, 11-reducing agent injection mechanism, 12-water conservancy diversion aerofoil, 13-jet pipe, 14-flue gas content monitoring system, 15-nozzle, 16-pre-filtering plate, 17-catalyst layer, 18-homogenating plate, 19-second-circulation part, 20-activated carbon granule layer, 21-rack, 22-supporting rail platform where rites are performed, 23-side door plate, 24-shake ash device, 25-card adapter plate, 26-butterfly spring, 27-guide pin bushing, 28-guide pillar, 29-supports loop bar, 30-universal bearing.
Detailed description of the invention
The present invention is described in further detail below in conjunction with the accompanying drawings:
As shown in Figure 1, 2, 3: the one energy-saving SCR denitration combination unit of the present embodiment, including province's coal gas the 1, first flue tube 2 being sequentially connected with, bag-type dust mechanism the 3, second flue tube 4, SCR denitration reactor 5, air preheater 6 and flue gas desulfurization device 7.
Skeleton 8 in wherein said bag-type dust mechanism 3 is equipped with elastic connection element 10 on the contact surface of dust-removal cloth-bag 9；Described elastic connection element 10 includes butterfly spring 26, guide pin bushing 27 and guide pillar 28, wherein fixing described guide pillar 28 in the inner chamber of each support loop bar 29 in skeleton 8, the most each described guide pin bushing 27 tilts by butterfly spring 26 to be fixed on described guide pillar 28 and the other end is connected with universal bearing 30 through the surface of described support loop bar 29 and fixes.It is sequentially provided with reducing agent injection mechanism 11 and water conservancy diversion aerofoil 12 in described second flue tube 4.
Jet pipe 13 in wherein said reducing agent injection mechanism 11 coils on the inwall of described second flue tube 4, and described jet pipe 13 sets gradually several nozzles 15；If setting gradually pre-filtering plate 16 and dried layer catalyst layer 17 in wherein said SCR denitration reactor 5, the most each described catalyst layer 17 be provided above the ash device 24 that shakes.
Being equipped with homogenating plate 18 between each two catalyst layer 17, the top of each described homogenating plate 18 upwardly extends successively crosses, with each, the second-circulation part 19 that air holes communicates；Each described second-circulation part 19 is connected and fixed with described homogenating plate 18 by card adapter plate 25.
Wherein the top of pre-filtering plate 16 is coated with activated carbon granule layer 20, the most each described catalyst layer 17 is fixed on rack 21, wherein said rack 21 slides on fixing supporting rail platform where rites are performed 22, and the sidewall of described SCR denitration reactor 5 is provided with the side door plate 23 suitable with each described rack 21.
Wherein the exit at described SCR denitration reactor 5 arranges flue gas content monitoring system 14.
During the present embodiment work: economizer 1 flue gas out sequentially passes through the first flue tube 2 and sends into bag-type dust mechanism 3 and filter the dust inside flue gas, owing to being provided with elastic connection element 10, when dust-removal cloth-bag 9 is jetted by the pulse valve in bag-type dust mechanism 3, dust removing cloth, 9 will collide with the support loop bar 29 on skeleton 8, so universal bearing 30 contacts with dust-removal cloth-bag 9, and utilize butterfly spring 26 to increase the contractility of guide pin bushing 27, this ensure that the elastic force of dust-removal cloth-bag 9 and contractility and reduce frictional force, the dust that will accumulate in time on dust-removal cloth-bag 9 is shaken off.
Gas after filtering out from bag-type dust mechanism 3 is sent into the second flue tube 4 reducing agent injection mechanism 11 simultaneously and is sprayed into ammonia by nozzle 15 by jet pipe 13 in the second flue tube 4, owing to jet pipe 13 coils on the inwall of described second flue tube 4, flue gas so can be made to be sufficiently mixed with ammonia, then by water conservancy diversion aerofoil 12 mixed flue gas is sent in SCR denitration reactor 5 at the uniform velocity, need the flue gas of denitration through pre-filtering plate 16, and be coated with activated carbon granule layer 20 by the top of pre-filtering plate 16 and will adsorb containing miscellaneous dust impurity, prevent the abrasion to catalyst layer 17；Then sequentially enter catalyst layer 17 and carry out denitration reaction, the homogenating plate 18 being provided with can effectively make flue gas uniformly be distributed entrance each catalyst layer 17 fully react, ash can not only be kept off owing to being provided with second-circulation part 19, ensure that the stability of flow of flue gas can make flue gas more fully react with catalyst layer by coutroi velocity simultaneously, improve denitration effect；And it is readily accessible；Utilize the ash device 24 that shakes to be shaken off by the dust pocket in catalyst layer and SCR denitration reactor 5 in time, prevent blocking abrasion.
When needs more catalyst changeout, needing opening side door-plate 23, rack 21 to slide out from supporting rail platform where rites are performed 22 as long as being opened by needs, then the catalyst on rack 21 being taken out, the catalyst more renewed；From SCR denitration reactor 5 exit out and utilize flue gas content monitoring system 14 to monitor in time, finally sequentially pass through air preheater and send 6 to enter desulfurizer 7 to carry out desulfurization process.
The present embodiment provides the benefit that: reasonable in design, scientific combination, effectively will reduce the abrasion progress of catalyst, it is conveniently replaceable dismounting, dust impurity in flue gas is cleared up by the cost reducing enterprise simultaneously in time in time, improves denitration efficiency, extends the service life of catalyst.
Claims (5)
1. an energy-saving SCR denitration combination unit, it is characterized in that: include that province's coal gas (1), the first flue tube (2), bag-type dust mechanism (3), the second flue tube (4), SCR denitration reactor (5), air preheater (6) and the flue gas desulfurization device (7) being sequentially connected with, the skeleton (8) in wherein said bag-type dust mechanism (3) are equipped with elastic connection element (10) on the contact surface of dust-removal cloth-bag (9)；Reducing agent injection mechanism (11) and water conservancy diversion aerofoil (12) it is sequentially provided with in described second flue tube (4), jet pipe (13) in wherein said reducing agent injection mechanism (11) coils on the inwall of described second flue tube (4), and described jet pipe (13) sets gradually several nozzles (15)；Set gradually pre-filtering plate (16) in wherein said SCR denitration reactor (5) and if dried layer catalyst layer (17), being equipped with homogenating plate (18) between each two catalyst layer (17), the top of each described homogenating plate (18) upwardly extends successively crosses, with each, the second-circulation part (19) that air holes communicates；Wherein the top of pre-filtering plate (16) is coated with activated carbon granule layer (20), the most each described catalyst layer (17) is fixed on rack (21), wherein said rack (21) slides on fixing supporting rail platform where rites are performed (22), and the sidewall of described SCR denitration reactor (5) is provided with the side door plate (23) suitable with each described rack (21).
One the most according to claim 1 energy-saving SCR denitration combination unit, it is characterised in that: being provided above of the most each described catalyst layer (17) is shaken ash device (24).
One the most according to claim 1 energy-saving SCR denitration combination unit, it is characterised in that: each described second-circulation part (19) is connected and fixed with described homogenating plate (18) by card adapter plate (25).
One the most according to claim 1 energy-saving SCR denitration combination unit, it is characterized in that: described elastic connection element (10) includes butterfly spring (26), guide pin bushing (27) and guide pillar (28), wherein fixing described guide pillar (28) in the inner chamber of each support loop bar (29) in skeleton (8), the most each described guide pin bushing (27) tilts to be fixed on that described guide pillar (28) is upper and the other end is connected with universal bearing (30) through the surface of described support loop bar (29) and to fix by butterfly spring (26).
One the most according to claim 1 energy-saving SCR denitration combination unit, it is characterised in that: flue gas content monitoring system (14) is set in the exit of SCR denitration reactor (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471628.9A CN105944463B (en) | 2016-06-27 | 2016-06-27 | A kind of energy-saving SCR denitration combination unit |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610471628.9A CN105944463B (en) | 2016-06-27 | 2016-06-27 | A kind of energy-saving SCR denitration combination unit |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105944463A true CN105944463A (en) | 2016-09-21 |
| CN105944463B CN105944463B (en) | 2018-01-23 |
Family
ID=56903743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610471628.9A Active CN105944463B (en) | 2016-06-27 | 2016-06-27 | A kind of energy-saving SCR denitration combination unit |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105944463B (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144445A (en) * | 2017-12-25 | 2018-06-12 | 中国能源建设集团华东电力试验研究院有限公司 | SCR denitration system catalyst abrasion analysis of causes system based on performance test |
| CN109289519A (en) * | 2018-10-29 | 2019-02-01 | 海南中航特玻材料有限公司 | A kind of denitrating flue gas purification process |
| CN109613170A (en) * | 2018-12-29 | 2019-04-12 | 浙江浙能兰溪发电有限责任公司 | A kind of denitrating catalyst performance monitoring device |
| CN110585920A (en) * | 2019-10-22 | 2019-12-20 | 安徽晨晰洁净科技有限公司 | Denitration reactor capable of replacing catalyst on line |
| CN113577913A (en) * | 2021-06-23 | 2021-11-02 | 山东蓝繁环保科技有限公司 | Glass kiln flue gas desulfurization, denitrification and dedusting integrated device and process |
| CN113797654A (en) * | 2021-08-30 | 2021-12-17 | 华能秦煤瑞金发电有限责任公司 | Denitration reactor dust collector in advance |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688629A (en) * | 2012-06-04 | 2012-09-26 | 东方电气集团东方锅炉股份有限公司 | SCR (selective catalytic reduction) denitration dedusting device |
| CN202638147U (en) * | 2012-06-04 | 2013-01-02 | 东方电气集团东方锅炉股份有限公司 | Selective catalytic reduction (SCR) denitration dedusting device |
| CN203724998U (en) * | 2014-01-21 | 2014-07-23 | 华东理工大学 | Desulfuration, denitration and dust-collection device applicable to coal-fired boiler |
| CN104028084A (en) * | 2014-03-29 | 2014-09-10 | 江苏永钢集团有限公司 | Method and equipment for denitration of flue gas produced in coal-fired power generation by using residual ammonia water |
| CN203848311U (en) * | 2014-03-31 | 2014-09-24 | 华电电力科学研究院 | Smoke dust control device of flue high-temperature section of thermal power plant |
| JP2015077549A (en) * | 2013-10-16 | 2015-04-23 | 宇部興産株式会社 | Dust collector and gas processing method |
-
2016
- 2016-06-27 CN CN201610471628.9A patent/CN105944463B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102688629A (en) * | 2012-06-04 | 2012-09-26 | 东方电气集团东方锅炉股份有限公司 | SCR (selective catalytic reduction) denitration dedusting device |
| CN202638147U (en) * | 2012-06-04 | 2013-01-02 | 东方电气集团东方锅炉股份有限公司 | Selective catalytic reduction (SCR) denitration dedusting device |
| JP2015077549A (en) * | 2013-10-16 | 2015-04-23 | 宇部興産株式会社 | Dust collector and gas processing method |
| CN203724998U (en) * | 2014-01-21 | 2014-07-23 | 华东理工大学 | Desulfuration, denitration and dust-collection device applicable to coal-fired boiler |
| CN104028084A (en) * | 2014-03-29 | 2014-09-10 | 江苏永钢集团有限公司 | Method and equipment for denitration of flue gas produced in coal-fired power generation by using residual ammonia water |
| CN203848311U (en) * | 2014-03-31 | 2014-09-24 | 华电电力科学研究院 | Smoke dust control device of flue high-temperature section of thermal power plant |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108144445A (en) * | 2017-12-25 | 2018-06-12 | 中国能源建设集团华东电力试验研究院有限公司 | SCR denitration system catalyst abrasion analysis of causes system based on performance test |
| CN108144445B (en) * | 2017-12-25 | 2020-06-05 | 中国能源建设集团华东电力试验研究院有限公司 | SCR deNOx systems catalyst wearing and tearing reason analytic system based on performance test |
| CN109289519A (en) * | 2018-10-29 | 2019-02-01 | 海南中航特玻材料有限公司 | A kind of denitrating flue gas purification process |
| CN109613170A (en) * | 2018-12-29 | 2019-04-12 | 浙江浙能兰溪发电有限责任公司 | A kind of denitrating catalyst performance monitoring device |
| CN110585920A (en) * | 2019-10-22 | 2019-12-20 | 安徽晨晰洁净科技有限公司 | Denitration reactor capable of replacing catalyst on line |
| CN113577913A (en) * | 2021-06-23 | 2021-11-02 | 山东蓝繁环保科技有限公司 | Glass kiln flue gas desulfurization, denitrification and dedusting integrated device and process |
| CN113577913B (en) * | 2021-06-23 | 2022-06-24 | 山东蓝繁环保科技有限公司 | Glass kiln flue gas desulfurization, denitrification and dedusting integrated device and process |
| CN113797654A (en) * | 2021-08-30 | 2021-12-17 | 华能秦煤瑞金发电有限责任公司 | Denitration reactor dust collector in advance |
| CN113797654B (en) * | 2021-08-30 | 2023-12-05 | 华能秦煤瑞金发电有限责任公司 | Denitration reactor pre-dedusting device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105944463B (en) | 2018-01-23 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105944463A (en) | Energy-saving SCR denitration combined device | |
| CN100425325C (en) | Dusted composite SCR smoke denitration and its denitrating catalytic reactor | |
| CN101810990B (en) | Method for efficiently removing NOx in fume | |
| CN103406006A (en) | SCR (Selective Catalytic Reduction) denitration device for NOx control of rotary cement kiln | |
| CN108295565A (en) | The method and system of flue gas desulfurization and denitrification | |
| CN203494378U (en) | SCR (Selective Catalytic Reduction) denitration device for controlling NOx of rotary cement kiln | |
| CN108854530A (en) | A kind of wide load SCR denitration device of middle low temperature and method of denitration | |
| CN106582225A (en) | SNCR-SCR combined denitration system based on demercuration and deamination modified catalyst and denitration method achieved by adopting system | |
| CN109603539A (en) | A kind of industrial smoke high temperature desulfurizing denitration dust removal system and its processing method | |
| CN105854537A (en) | Industrial furnace sulfur trioxide pre-removing and denitration device and method | |
| CN113828148A (en) | Flue gas treatment system and flue gas treatment method for efficiently utilizing carbon monoxide | |
| CN102909104A (en) | Thermal regeneration method and device of SCR (selective catalytic reduction) denitration catalyst | |
| CN205386412U (en) | Boiler flue gas denitration system | |
| CN203916431U (en) | A kind of gaseous oxidation is in conjunction with the flue gas combined desulfurization and denitration device of wet absorption | |
| KR102150227B1 (en) | Catalyst Integrated Dust Collector with Ammonia Injection | |
| CN109316952A (en) | A kind of the flue gas minimum discharge equipment and technique of non-electrical domain | |
| CN106582233B (en) | Dry desulfurization, denitrification and dust removal system for catalytic cracking regenerated flue gas | |
| CN206064164U (en) | Reverse-flow reinforcing mixing ammonia-gas spraying device | |
| CN205815443U (en) | A kind of industry coal-boiler minimum discharge environmental protection island system | |
| CN207941395U (en) | The system that ammonia combined denitration is sprayed in a kind of powdered activated coke fluid-bed sweetening tail portion | |
| CN202845023U (en) | Heat treatment regeneration device of SCR (Selective Catalytic Reduction) denitration catalyst | |
| EP3036480B1 (en) | Arrangement and method for flue gas stream bypass during selective catalytic reduction | |
| CN202962241U (en) | Device for synergistically removing flue gas mercury | |
| CN205730884U (en) | A kind of station boiler Novel SCR denitration treatment device | |
| CN212999279U (en) | Flue gas treatment system for efficiently utilizing carbon monoxide |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |