CN205095644U - Integrated flue gas purifying device - Google Patents
Integrated flue gas purifying device Download PDFInfo
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- CN205095644U CN205095644U CN201520542803.XU CN201520542803U CN205095644U CN 205095644 U CN205095644 U CN 205095644U CN 201520542803 U CN201520542803 U CN 201520542803U CN 205095644 U CN205095644 U CN 205095644U
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- adsorption tower
- mozzle
- flue gas
- voltage stabilizing
- ammonia
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
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Abstract
The utility model provides an integrated flue gas purifying device, includes sack cleaner and adsorption tower, its characterized in that: the top installation adsorption tower of sack cleaner, through steady voltage honeycomb duct UNICOM between sack cleaner and the adsorption tower, ammonifying pipeline and nozzle are connected to the lateral part of steady voltage honeycomb duct, and the nozzle is located the steady voltage honeycomb duct so that spout ammonia to the flue gas. The utility model discloses a steady voltage guiding device can make the evenly distributed of flue gas, possesses even air flow distribution, equitable flue gas velocity, the biggest vertically contacting sectional area in messenger's adsorption tower, reduces ammonia and escapes. The utility model discloses an adsorption tower can make reductant and NOx's abundant combination, and the denitration is accomplished through surface catalysis and reductant (ammonia) to the interior active burnt purpose that reaches degree of depth desulfurization and detach the dust through the surface adsorption of adsorption tower. Therefore, compared with the prior art, the utility model, practicing thrift and taking up an area of, have substantive character sum progress, the beneficial effect of its implementation also is conspicuous.
Description
Technical field
The utility model relates to a kind of steel enterprise sintering, coke oven, pelletizing smoke gas treatment field, is a kind of integrated fume purifier.
Background technology
At present, relatively ripe gas denitrifying technology mainly contains SCR technology (SelectiveCatalyticReduction, be called for short SCR) and SNCR technology (SelectiveNon-CatalyticReduction is called for short SNCR).Due to the reaction temperature too high (850 DEG C ~ 1100 DEG C) that SNCR technique needs, therefore this technology is not suitable for steel mill's sinter fume denitration.The reaction temperature window that SCR technology needs is 320 DEG C ~ 450 DEG C.Sintering machine of steel mill flue-gas temperature is generally 120 DEG C ~ 160 DEG C, needs to consume a large amount of thermal source and makes it reach denitration reaction temperature, therefore do not meet the enterprise business conception of energy-saving and emission-reduction.
The environmentally statistics in portion, ends in by the end of July, 2014, and steel industry sintering machine is built desulfurization equipment area and reached 69%.If what reach the special emission limit of new environmental law does not have requirement, most of desulfurization equipment faces upgrading, and first increases a set of adsorbent equipment at existing desulfurizing dust-collector, and existing desulfurization equipment does not have place; If there is turbulent flow or eddy current in the second smoke inlet air-flow, not only cause reducing agent (ammonia) fully can not mix with flue gas, also smoke distribution in gas-flow resistance increase, adsorption tower can be caused uneven, flow velocity is higher, flue gas is less at absorption dwell time in the tower, occur that reducing agent is not participated in reaction and just discharged adsorption tower with flue gas, affect denitration efficiency and cause the escaping of ammonia, these 2 weak points being prior art and existing.
Utility model content
The purpose of this utility model, is exactly for the deficiency existing for prior art, and provides a kind of integrated fume purifier.It is the purifier increased on the basis of original semi-dry desulphurization tower, and its bag dust collector (1) and adsorption tower (3) distribute up and down, thus reaches the object of saving project occupation of land; Through voltage stabilizing mozzle steady air flow, flue gas is fully contacted with reducing agent, mixes, increase flue gas and activated coke perpendicular contact time and contact area, thus reduce SR, improve denitration efficiency, prevent the escaping of ammonia.The utility model first makes flue gas carry out dedusting again after desulfurizing tower, finally carries out denitration, significantly can improve the efficiency of denitration, reduce costs when low-sulfur and low dust.
The utility model for achieving the above object, be achieved through the following technical solutions: a kind of integrated fume purifier, comprise sack cleaner and adsorption tower, adsorption tower is installed at the top of sack cleaner, by voltage stabilizing mozzle UNICOM between sack cleaner and adsorption tower, the sidepiece of voltage stabilizing mozzle connects ammonification pipeline and nozzle, and nozzle is positioned at voltage stabilizing mozzle to flue gas spray ammonia.
In order to realize the purpose of this utility model further, can also by the following technical solutions: the first deflector, the second deflector and the 3rd deflector are installed in the inside of described voltage stabilizing mozzle.The middle part of described first deflector and the angle of voltage stabilizing mozzle axis are α, α=20 °.The angle of described second deflector and voltage stabilizing mozzle axis is β, β=8 °.The side of described 3rd deflector and the angle of voltage stabilizing mozzle axis are α, α=20 °.The top of adsorption tower connects distributing device, and the top of distributing device connects discharge valve, and belt feeder is installed in the side of adsorption tower.Described voltage stabilizing mozzle comprises shell, shell is increaser from bottom to top, upper mounting bracket in shell, mid-stent is provided with the first axle sleeve, in first axle sleeve, rotating shaft is installed, rotating shaft is installed impeller and spray ammonia pipe, spray ammonia pipe is positioned at below impeller, spray ammonia pipe is provided with downward opening second nozzle, air flue is offered in rotating shaft, air flue communicates with spray ammonia pipe, side opening is offered in rotating shaft bottom, side opening communicates with air flue, the second axle sleeve is installed in rotating shaft bottom, side wall of outer shell installs ammonia-feeding pipe, second sleeve lining offers cannelure, one end of ammonia-feeding pipe communicates with cannelure, another of ammonia-feeding pipe passes outside shell, cannelure and side opening UNICOM, guarantee in axis of rotation process, side opening all the time with cannelure UNICOM, second axle sleeve is connected with shell by connecting rod, outer casing underpart installs annular spray ammonia pipe respectively, annular spray ammonia pipe is connected with outer casing inner wall, annular spray ammonia inside pipe wall evenly offers several first jet, annular spray ammonia pipe is by arm and ammonia-feeding pipe UNICOM, in outer casing bottom, one piece of first guide plate and two piece of second guide plate are installed, first guide plate is positioned in the middle of two second guide plates, two second guide plates form flaring passage from bottom to top, annular spray ammonia pipe is between spray ammonia pipe and the first guide plate, gas distribution passage is formed respectively between the first guide plate and two piece of second guide plate, it is made to be uniformly distributed for flue gas carries out guiding.
The utility model has the advantage of: voltage stabilizing mozzle of the present utility model can make being uniformly distributed of flue gas, make in adsorption tower, to possess uniform air flow method, reasonably flue gas flow rate, maximum perpendicular contact basal area, reduce the escaping of ammonia.Adsorption tower of the present utility model can make the abundant combination of reducing agent and NOx, and the activated coke in adsorption tower reaches the object of deep desulfuration and removing dust by adsorption, completes denitration by surface catalysis and reducing agent (ammonia).As can be seen here, the utility model compared with prior art, is saved and is taken up an area, have essential characteristics and progress, and its beneficial effect implemented also is apparent.
The utility model can realize dedusting after semi-dry desulphurization, and adsorption tower rearwards provides clean gas, effectively ensures the activity of denitration adsorbent and uses the term of validity.Flue gas evenly can be imported adsorption tower by voltage stabilizing mozzle of the present utility model, and make fully contacting of flue gas and activated coke, adsorption tower carries out deep desulfuration, and ammonia completes reduction, denitration is carried out in catalysis in spray.Sack cleaner is by after smoke filtration, and flue gas arrives voltage stabilizing mozzle voltage stabilizing mozzle and flue gas is evenly imported adsorption tower, makes fully contacting of flue gas and activated coke, carries out deep desulfuration, sprays that ammonia completes reduction, denitration is carried out in catalysis.
The utility model is several according to exhaust gas volumn classifying rationally sack cleaner, adsorption tower; Voltage stabilizing mozzle is several one to one with adsorption tower to adopt the design of the means such as simulation of air flow and flow field analysis.
The outlet of sack cleaner air-purifying chamber connects voltage stabilizing mozzle, enters adsorption tower, realize the reasonable Arrangement of the upgrading of existing utility containing low-sulfur, non-denitration neat stress bottom adsorption tower through voltage stabilizing mozzle; The flue gas of inlet port voltage stabilizing mozzle fully contacts with reducing agent, mixed flue gas enters rectangle adsorption tower, form flue gas vertically to rise, the activated coke moved down is full of in adsorption tower, flue gas rises and forms cross-flow, increases gas-solid contact area, effectively ensures that denitration reaction time and flue gas are uniformly distributed, decrease swirl flow, improve desulfuration efficiency, reduce the escaping of ammonia.
Sack cleaner air-purifying chamber picks out clean voltage stabilizing mozzle and enters adsorption tower, and flue gas fully mixes with the reducing agent sprayed into (ammonia) and contacts, and at sack cleaner removing desulfurization dust, makes flue gas obtain preliminary purification.Flue gas enters voltage stabilizing mozzle and enters in adsorption tower, flue gas is with minimum drag uniform, be vertically full of adsorption tower, reducing agent is sprayed at voltage stabilizing mozzle and adsorption tower junction, the flue gas that flue gas mixes with reducing agent is uniformly distributed, the reaction absorbing NOx is more abundant, denitration efficiency is improved, simultaneously due to the adsorption effect of activated coke, and further scrubbing CO_2.
The utility model, according to working condition adjustment voltage stabilizing mozzle length, ensures the abundant contact of reducing agent.The utility model also has advantage compact, cheap for manufacturing cost and easy to use simple for structure.
Accompanying drawing explanation
Fig. 1 is the structural representation of integrated fume purifier described in the utility model; Fig. 2 is the structural representation of voltage stabilizing mozzle 2; Fig. 3 is the structural representation of described voltage stabilizing mozzle 2 another program.
Reference numeral: 1 sack cleaner 2 voltage stabilizing mozzle 3 adsorption tower 4 belt feeder 5 discharge valve 6 distributing device 7 ammonification pipeline and nozzle 8 first deflector 9 second deflector 10 the 3rd deflector 11 first axle sleeve 12 air flue 13 first jet 14 second axle sleeve 15 first guide plate 16 second guide plate 17 side opening 18 cannelure 19 ammonia-feeding pipe 20 annular spray ammonia pipe 21 second nozzle 22 spray ammonia pipe 23 support 24 impeller 25 desulfurizing tower 26 rotating shaft 27 arm.
Detailed description of the invention
A kind of integrated fume purifier, as shown in Figure 1, comprise sack cleaner 1 and adsorption tower 3, adsorption tower 3 is installed at the top of sack cleaner 1, by voltage stabilizing mozzle 2 UNICOM between sack cleaner 1 and adsorption tower 3, the sidepiece of voltage stabilizing mozzle 2 connects ammonification pipeline and nozzle 7, and nozzle is positioned at voltage stabilizing mozzle 2 to flue gas spray ammonia.The top of adsorption tower 3 connects distributing device 6, and the top of distributing device 6 connects discharge valve 5, and belt feeder 4 is installed, to providing new activated coke in adsorption tower in the side of adsorption tower 3.
After desulfurization, sinter fume enters sack cleaner, enters in adsorption tower, carry out desulphurization denitration after sack cleaner removing dust through each bin outlet neat stress room and voltage stabilizing mozzle.Voltage stabilizing mozzle 2 makes flue gas evenly enter adsorption tower, is full of adsorption tower to greatest extent, completes desulfurization and denitrification reaction.Dedusting and desulfurization and denitrification integral, meet the requirement of existing semi-dry desulphurization skill upgrading, qualified discharge, namely flue gas is made evenly to enter adsorption tower above dust catcher gas purifying chamber through voltage stabilizing mozzle after flue gas ash removal after semi-dry desulphurization, fully contact with the activated coke moved down, adsorption column inlet spray ammonia, flue gas and ammonia, to contact with activated coke catalysis, reducing agent evenly, add reduction reaction chance; Flue gas is evenly full of adsorption tower, adds flue gas at dwell time in the tower, the nitrogen oxide in tower in flue gas is fully adsorbed also and ammonia react by activated coke, while improving denitration efficiency, decreases the chance that ammonia is escaped with flue gas.
Realize dedusting, desulphurization and denitration integrated treatment, solve the difficult problem that existing desulfurization equipment upgrading place is limited, after desulfurization while dedusting, denitrification reducing agent ammonia is fully mixed with flue gas, by catalysis, the reduction of activated coke in adsorption tower, finally achieve the denitration under low-sulfur, low dust, cryogenic conditions, deep desulfuration and dust minimum discharge, denitration efficiency is high, meets environmental emission standard: sulfur dioxide < 50mg/Nm3, nitrogen oxide < 100mg/Nm3, dust < 10mg/Nm3.
Voltage stabilizing mozzle 2 of the present utility model can make being uniformly distributed of flue gas, makes to possess uniform air flow method, reasonably flue gas flow rate, maximum perpendicular contact basal area in adsorption tower, reduces the escaping of ammonia.Adsorption tower 3 of the present utility model can make the abundant combination of reducing agent ammonia and nitrogen oxide, and the activated coke in adsorption tower 3 reaches the object of deep desulfuration and removing dust by adsorption, completes denitration by surface catalysis and reducing agent ammonia.As can be seen here, the utility model compared with prior art, is saved and is taken up an area, have essential characteristics and progress, and its beneficial effect implemented also is apparent.
The utility model can realize dedusting after semi-dry desulphurization, and adsorption tower 3 rearwards provides clean gas, effectively ensures the activity of denitration adsorbent and uses the term of validity.Flue gas can evenly be imported adsorption tower 3 by voltage stabilizing mozzle 2 of the present utility model, and make fully contacting of flue gas and activated coke, adsorption tower 3 carries out deep desulfuration, and ammonia completes reduction, denitration is carried out in catalysis in spray.Sack cleaner 1 is by after smoke filtration, and flue gas arrives voltage stabilizing mozzle 2, and flue gas is evenly imported adsorption tower 3 by voltage stabilizing mozzle 2, makes fully contacting of flue gas and activated coke, carries out deep desulfuration, sprays that ammonia completes reduction, denitration is carried out in catalysis.
The utility model is several according to exhaust gas volumn classifying rationally sack cleaner 1, adsorption tower 3; Voltage stabilizing mozzle 2 is several one to one with adsorption tower 3 to adopt the design of the means such as simulation of air flow and flow field analysis.
The outlet of sack cleaner 1 air-purifying chamber connects voltage stabilizing mozzle 2, enters adsorption tower, realize the reasonable Arrangement of the upgrading of existing utility containing low-sulfur, non-denitration neat stress bottom adsorption tower 3 through voltage stabilizing mozzle 2; The flue gas of inlet port voltage stabilizing mozzle fully contacts with reducing agent, mixed flue gas enters rectangle adsorption tower, form flue gas vertically to rise, the activated coke moved down is full of in adsorption tower 3, flue gas rises and forms cross-flow, increases gas-solid contact area, effectively ensures that denitration reaction time and flue gas are uniformly distributed, decrease swirl flow, improve desulfuration efficiency, reduce the escaping of ammonia.
Adsorption tower 3 size can, according to the concrete Operating condition adjustment of sack cleaner 1, make air flow method even.
The utility model, according to working condition adjustment voltage stabilizing mozzle 2 length, ensures the abundant contact of reducing agent.
As shown in Figure 2, the first deflector 8, second deflector 9 and the 3rd deflector 10 are installed in the inside of described voltage stabilizing mozzle 2.First deflector 8, second deflector 9 of the present utility model fully can contact with reducing agent the flue gas in voltage stabilizing mozzle 2 with the 3rd deflector 10.
As shown in Figure 2, the middle part of described first deflector 8 and the angle of voltage stabilizing mozzle 2 axis are α, α=20 °.Prove that can reach best flue gas when the middle part of described first deflector 8 is 20 ° with the angle of voltage stabilizing mozzle 2 axis fully contacts effect with reducing agent through overtesting.
As shown in Figure 2, described second deflector 9 is β, β=8 ° with the angle of voltage stabilizing mozzle 2 axis.Prove that can reach best flue gas when the middle part of described second deflector 9 is 8 ° with the angle of voltage stabilizing mozzle 2 axis fully contacts effect with reducing agent through overtesting.
As shown in Figure 2, the side of described 3rd deflector 10 and the angle of voltage stabilizing mozzle 2 axis are α, α=20 °.Prove that can reach best flue gas when the middle part of described 3rd deflector 10 is 20 ° with the angle of voltage stabilizing mozzle 2 axis fully contacts effect with reducing agent through overtesting.
As shown in Figure 3, described voltage stabilizing mozzle 2 comprises shell, shell is increaser from bottom to top, upper mounting bracket 23 in shell, the first axle sleeve 11 is provided with in the middle part of support 23, in first axle sleeve 11, rotating shaft 26 is installed, rotating shaft 26 is installed impeller 24 and spray ammonia pipe 22, spray ammonia pipe 22 is positioned at below impeller 24, spray ammonia pipe 22 is provided with downward opening second nozzle 21, air flue 12 is offered in rotating shaft 26, air flue 12 communicates with spray ammonia pipe 22, side opening 17 is offered in rotating shaft 26 bottom, side opening 17 communicates with air flue 12, the second axle sleeve 14 is installed in rotating shaft 26 bottom, side wall of outer shell is installed ammonia-feeding pipe 19, second axle sleeve 14 inwall offers cannelure 18, one end of ammonia-feeding pipe 19 communicates with cannelure 18, another of ammonia-feeding pipe 19 passes outside shell, cannelure 18 and side opening 17 UNICOM, guarantee in rotating shaft 26 rotation process, side opening 17 all the time with cannelure 18 UNICOM, second axle sleeve 14 is connected with shell by connecting rod, outer casing underpart installs annular spray ammonia pipe 20 respectively, annular spray ammonia pipe 20 is connected with outer casing inner wall, annular spray ammonia pipe 20 inwall evenly offers several first jet 13, annular spray ammonia pipe 20 is by arm 27 and ammonia-feeding pipe 19 UNICOM, in outer casing bottom, one piece of first guide plate 15 and two piece of second guide plate 16 are installed, first guide plate 15 is positioned in the middle of two second guide plates 16, two second guide plates 16 form flaring passage from bottom to top, annular spray ammonia pipe 20 is between spray ammonia pipe 22 and the first guide plate 15, gas distribution passage is formed respectively between the first guide plate 15 and two piece of second guide plate 16, it is made to be uniformly distributed for flue gas carries out guiding, flue gas after sack cleaner 1 dedusting enters voltage stabilizing mozzle 2, flue gas is first through the first guide plate 15, continue after second guide plate 16 uniform air distribution to rise, when annular spray ammonia pipe 20, annular spray ammonia pipe 20 sprays ammonia to flue gas from outside to inside by first jet 13, flue gas continues to rise when spray ammonia pipe 22, spray ammonia pipe 22 sprays ammonia to flue gas downwards by second nozzle 21, flue gas is mixed with ammonia, all the time drive shaft 26 impeller 24 and spray ammonia pipe 22 rotate the flue gas of continuation rising, impeller 24 rotation can carry out stirring to flue gas and ammonia makes both mix further.
The technical solution of the utility model is not restricted in the scope of embodiment described in the utility model.The technology contents of the not detailed description of the utility model is known technology.
Claims (7)
1. an integrated fume purifier, comprise sack cleaner (1) and adsorption tower (3), it is characterized in that: adsorption tower (3) is installed at the top of sack cleaner (1), by voltage stabilizing mozzle (2) UNICOM between sack cleaner (1) and adsorption tower (3), the sidepiece of voltage stabilizing mozzle (2) connects ammonification pipeline and nozzle (7), and nozzle is positioned at voltage stabilizing mozzle (2) to flue gas spray ammonia.
2. a kind of integrated fume purifier according to claim 1, is characterized in that: the first deflector (8), the second deflector (9) and the 3rd deflector (10) are installed in the inside of described voltage stabilizing mozzle (2).
3. a kind of integrated fume purifier according to claim 2, is characterized in that: the angle of the middle part of described first deflector (8) and voltage stabilizing mozzle (2) axis is α, α=20 °.
4. a kind of integrated fume purifier according to claim 2, is characterized in that: the angle that described second deflector (9) is axial with voltage stabilizing mozzle (2) is β, β=8 °.
5. a kind of integrated fume purifier according to claim 2, is characterized in that: the angle of the side of described 3rd deflector (10) and voltage stabilizing mozzle (2) axis is α, α=20 °.
6. a kind of integrated fume purifier according to claim 1, it is characterized in that: the top of described adsorption tower (3) connects distributing device (6), the top of distributing device (6) connects discharge valve (5), and belt feeder (4) is installed in the side of adsorption tower (3).
7. a kind of integrated fume purifier according to claim 1, it is characterized in that: described voltage stabilizing mozzle (2) comprises shell, shell is increaser from bottom to top, upper mounting bracket (23) in shell, support (23) middle part is provided with the first axle sleeve (11), in first axle sleeve (11), rotating shaft (26) is installed, rotating shaft (26) is installed impeller (24) and spray ammonia pipe (22), spray ammonia pipe (22) is positioned at impeller (24) below, spray ammonia pipe (22) is provided with downward opening second nozzle (21), air flue (12) is offered in rotating shaft (26), air flue (12) communicates with spray ammonia pipe (22), side opening (17) is offered in rotating shaft (26) bottom, side opening (17) communicates with air flue (12), the second axle sleeve (14) is installed in rotating shaft (26) bottom, side wall of outer shell is installed ammonia-feeding pipe (19), second axle sleeve (14) inwall is offered cannelure (18), one end of ammonia-feeding pipe (19) communicates with cannelure (18), another of ammonia-feeding pipe (19) passes outside shell, cannelure (18) and side opening (17) UNICOM, guarantee in rotating shaft (26) rotation process, side opening (17) all the time with cannelure (18) UNICOM, second axle sleeve (14) is connected with shell by connecting rod, outer casing underpart installs annular spray ammonia pipe (20) respectively, annular spray ammonia pipe (20) is connected with outer casing inner wall, annular spray ammonia pipe (20) inwall evenly offers several first jet (13), annular spray ammonia pipe (20) is by arm (27) and ammonia-feeding pipe (19) UNICOM, in outer casing bottom, one piece of first guide plate (15) and two piece of second guide plate (16) are installed, first guide plate (15) is positioned in the middle of two second guide plates (16), two second guide plates (16) form flaring passage from bottom to top, annular spray ammonia pipe (20) is positioned between spray ammonia pipe (22) and the first guide plate (15), gas distribution passage is formed respectively between the first guide plate (15) and two piece of second guide plate (16), it is made to be uniformly distributed for flue gas carries out guiding.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542803.XU CN205095644U (en) | 2015-07-24 | 2015-07-24 | Integrated flue gas purifying device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520542803.XU CN205095644U (en) | 2015-07-24 | 2015-07-24 | Integrated flue gas purifying device |
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| CN205095644U true CN205095644U (en) | 2016-03-23 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051200A (en) * | 2016-12-28 | 2017-08-18 | 华电电力科学研究院 | A kind of rotary ammonia-spraying grid applied to SCR denitration system |
| CN109865414A (en) * | 2019-03-18 | 2019-06-11 | 河北航天环境工程有限公司 | A kind of novel absorbent charcoal desulfuring and denitrifying apparatus |
| CN110566987A (en) * | 2019-08-16 | 2019-12-13 | 华电电力科学研究院有限公司 | Flue gas flow guiding device applied to flue and convenient to adjust and working method of flue gas flow guiding device |
-
2015
- 2015-07-24 CN CN201520542803.XU patent/CN205095644U/en active Active
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107051200A (en) * | 2016-12-28 | 2017-08-18 | 华电电力科学研究院 | A kind of rotary ammonia-spraying grid applied to SCR denitration system |
| CN109865414A (en) * | 2019-03-18 | 2019-06-11 | 河北航天环境工程有限公司 | A kind of novel absorbent charcoal desulfuring and denitrifying apparatus |
| CN109865414B (en) * | 2019-03-18 | 2021-09-10 | 河北航天环境工程有限公司 | Activated carbon desulfurization and denitrification device |
| CN110566987A (en) * | 2019-08-16 | 2019-12-13 | 华电电力科学研究院有限公司 | Flue gas flow guiding device applied to flue and convenient to adjust and working method of flue gas flow guiding device |
| CN110566987B (en) * | 2019-08-16 | 2024-04-12 | 华电电力科学研究院有限公司 | Flue gas flow guiding device applied in flue and convenient to adjust and working method thereof |
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