CN208626952U - The desulfuring and denitrifying apparatus of NO_x Reduction by Effective - Google Patents
The desulfuring and denitrifying apparatus of NO_x Reduction by Effective Download PDFInfo
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- CN208626952U CN208626952U CN201820485666.4U CN201820485666U CN208626952U CN 208626952 U CN208626952 U CN 208626952U CN 201820485666 U CN201820485666 U CN 201820485666U CN 208626952 U CN208626952 U CN 208626952U
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Abstract
A kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective, the device includes: adsorption tower (1), Analytic Tower (2), gas mixer (3), first active carbon conveyer (4), second active carbon conveyer (5) and the active carbon feed bin (AC) being arranged in the top of adsorption tower (1), wherein adsorption tower (1) has smoke inlet (A) in one side, there is exhanst gas outlet (B) in its other side, the air inlet of active carbon feed bin (AC) is wherein connected to from the first gas pipeline (L1) that the gas outlet of gas mixer (3) is drawn, the second gas pipeline (L2) drawn from the gas outlet of gas mixer (3) is connected to smoke inlet (A), the third gas pipeline (L3) drawn from the gas outlet of active carbon feed bin (AC) converges with second gas pipeline (L2).The application takes the preparatory absorbed portion ammonia of active carbon；Meanwhile in order to enhance denitration effect, part ammonia is sprayed into again at the middle part of adsorption tower.
Description
Technical field
The utility model relates to activated carbon method flue gas purification device, which belongs to a kind of suitable for air contaminant treatment
Activated carbon method flue gas purification device is related to environmental protection neck particularly for the NO_x Reduction by Effective ammonia-gas spraying device of the purification of sintering flue gas
Domain.
Background technique
For the sintering device flue gas of industrial smoke, especially steel and iron industry, using including activated carbon adsorber and parsing
The desulphurization and denitration device and technique of tower are more satisfactory.It is including the de- of activated carbon adsorber and Analytic Tower (or regenerator)
In sulphur, denitrification apparatus, activated carbon adsorber is used for from sintering flue gas or exhaust gas (the especially sintering cigarette of the sintering machine of steel and iron industry
Gas) pollutant of the absorption including oxysulfide, nitrogen oxides and dioxin, and Analytic Tower is used for the hot recycling of active carbon.
Activated carbon desulfurization has desulfurization degree height, denitration can be achieved at the same time, de- dioxin, dedusting, do not generate waste water and dregs
The advantages that, it is extremely promising flue gas purifying method.Active carbon can regenerate at high temperature, when temperature is higher than 350 DEG C, absorption
(sulfur dioxide is solved for the pollutants such as oxysulfide, nitrogen oxides, dioxin on the activated carbon generation fast resolving or decomposition
Analysis, nitrogen oxides and dioxin are decomposed).And as the temperature rises, the reproduction speed of active carbon is further speeded up, regeneration
Time shortens, and preferably regenerating active carbon temperature is approximately equal to 430 DEG C in general control Analytic Tower, therefore, ideal parsing temperature
Spending (or regeneration temperature) is for example in 390-450 DEG C of range, more preferably in 400-440 DEG C of range.
Traditional active carbon desulfurization technique is as shown in fig. 1.Flue gas introduces adsorption tower by booster fan, sprays into entering tower mouth
The mixed gas of ammonia and air, to improve NOXRemoval efficiency, purified flue gas enters the main smoke stack emission of sintering.Activity
Charcoal is added in adsorption tower by tower top, and is moved down under the action of gravity and tower bottom discharging device.The work that Analytic Tower comes out
Property charcoal adsorption tower is delivered to by 2# active carbon conveyer, the active carbon after adsorption tower absorption pollutant saturation is discharged by bottom, is arranged
Active carbon out is delivered to Analytic Tower by 1# active carbon conveyer, carries out regenerating active carbon.
The effect of Analytic Tower is by the SO of activated carbon adsorption2It releases, while in 400 DEG C or more of temperature and centainly
Under residence time, dioxin decomposable 80% or more, active carbon recycles again after cooling, screening.The SO released2It can
Sulphuric acid etc., the communicated device of active carbon after parsing are sent to adsorption tower and are re-used to absorption SO2And NOXDeng.
The NO in adsorption tower and Analytic TowerXSCR, SNCR etc. occurs with ammonia to react, to remove NOX.Dust is passing through absorption
It is tightly held by activated carbon when tower, the vibrating screen in Analytic Tower bottom end is separated, and is that active carbon powder sends to ash cellar under sieving, then may be used
It is sent to blast furnace or sintering is used as fuel.
Current activated carbon method flue gas purifying technique generally uses smoke inlet to be injected directly into ammonia, in order to increase denitration
Rate, usually increase smoke inlet ammonia spraying amount, but it is more serious to also result in outlet the escaping of ammonia.
Utility model content
In order to avoid ammonia is excessively escaped, the application takes the preparatory absorbed portion ammonia of active carbon；Meanwhile in order to enhance denitration effect
Fruit sprays into part ammonia at the middle part of adsorption tower again.
According to the first of the application embodiment, a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective is provided, which includes:
Adsorption tower, Analytic Tower, gas mixer, the first active carbon conveyer and are set the second active carbon conveyer above adsorption tower
The active carbon feed bin set,
Wherein adsorption tower is in one side with smoke inlet and respectively and in the flue top of smoke inlet connection, flue
Portion and flue lower part and its other side have exhanst gas outlet, and
Air inlet (it of active carbon feed bin is wherein connected to from the first gas pipeline that the gas outlet of gas mixer is drawn
Positioned at the middle part or lower part of feed bin), the second gas pipeline drawn from the gas outlet of gas mixer be connected in the middle part of flue and
It is optionally additionally coupled to and (connects or be not attached to) flue top, (it is located in feed bin from the gas outlet of active carbon feed bin
Portion or top) draw third gas pipeline converge with second gas pipeline.
Generally, the flue in smoke inlet downstream is divided into three layers, i.e. flue top, flue middle part and flue lower part；Accordingly
Adsorption tower is equally divided into top, middle part, lower part by ground.It dilutes penetrating point of the ammonia in flue and is located at (preferably position in the middle part of flue
In its front end).
In this application, " optionally " indicate be with or without, indicate carry out or without.
Generally, two rotary valves are set on the active carbon conveyance conduit of the top of active carbon feed bin.It is preferred that at the two
It is connected with nitrogen delivery pipe between rotary valve, for nitrogen-sealed, prevents smoke spillage.
It is preferred that being respectively provided with first gas valve V and second in the front end of first gas pipeline and second gas pipeline
Gas valve V.
Generally, the first active carbon conveyer collects active carbon being discharged from the bottom of adsorption tower, having adsorbed flue gas
Material is then delivered to the top of Analytic Tower.
Second active carbon conveyer collects the regenerated active carbon of analytically tower discharge, is then delivered to adsorption tower
In the feed bin of top.
Generally, it is connected with nitrogen delivery pipe between two rotary valves on the top feed pipe of Analytic Tower, and parsed
It is connected with nitrogen delivery pipe between two rotary valves on the lower section discharge duct of tower, these are used for nitrogen-sealed, prevent flue gas from letting out
Leakage.
Ammonia is through Dilution air to NH in gas mixer3Become to dilute ammonia after concentration≤5vol%, the first via is dilute
It releases ammonia and is passed through feed bin at the top of adsorption tower through first gas valve V and first gas pipeline, dilute ammonia by feed bin
Active carbon adsorb in advance.Another way or the second tunnel dilution ammonia are through second gas valve V and second gas pipeline to flue
Middle part and optionally it is transported to flue top.The mixed gas being discharged from active carbon feed bin via third gas pipeline and
Converge with another way or the second tunnel dilution ammonia, sprays into flue.Flue points three layers, equally by adsorption tower be divided into top, middle part, under
Portion, diluted ammonia gas blowout access point are located in the middle part of flue.Ammonia leaks to conveyer in feed bin in order to prevent, feed bin and conveyer it
Between Double layer rotating valve is set, and be passed through sealing gas (such as nitrogen or inert gas).AC adsorbs NH in feed bin3Afterwards, in gravity
Under effect, be transferred to adsorption tower top, and smoke contacts realize desulphurization denitration, also result in the ammonia of activated carbon adsorption gradually by
Reaction of nitrogen oxides falls, but active carbon still has stronger catalytic activity at this time, in order to strengthen denitration effect, therefore in adsorption column inlet
Part ammonia is added in the middle part of flue；By the active carbon in the middle part of adsorption tower, photocatalytic active carbon is very poor, in order to avoid ammonia
Waste, in flue lower part without spraying into ammonia.
In above-mentioned first embodiment, it can be avoided ammonia and excessively escape.Take the preparatory absorbed portion ammonia of active carbon；Together
When, in order to enhance denitration effect, part ammonia is sprayed into again at the middle part of adsorption tower.
According to the second of the application embodiment, a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective is provided, which includes:
Adsorption tower, Analytic Tower, gas mixer, the first active carbon conveyer and are set the second active carbon conveyer above adsorption tower
The active carbon feed bin set,
Wherein adsorption tower is in one side with smoke inlet and respectively and in the flue top of smoke inlet connection, flue
Portion and flue lower part and its other side have exhanst gas outlet,
Wherein Analytic Tower is furnished with nitrogen delivery pipe, and there are four branch i.e. the first nitrogen branches, second for nitrogen delivery pipe tool
Nitrogen branch, third nitrogen branch and the 4th nitrogen branch, the first nitrogen branch are connected to the lower part cooling section of Analytic Tower,
The second nitrogen branch is connected to the top heated zones of Analytic Tower, which is connected to the top charging of Analytic Tower
Between two rotary valves on pipe, the 4th nitrogen branch be connected to two rotary valves on the lower section discharge duct of Analytic Tower it
Between；With
Wherein ammonia delivery pipe is divided into two-way i.e. first gas pipeline and second gas pipeline, which connects
It is connected to the first nitrogen branch, second gas pipeline is connected to the ammonia imports of gas mixer, from the gaseous mixture of gas mixer
The third gas pipeline that body outlet is drawn is connected in the middle part of the flue of adsorption tower and (preferably, sprays the front end that ammonia point is located at it).
Generally, the top heated zones of Analytic Tower are package heat exchange structure, and wherein heat gas walks shell side, and active carbon is walked
Tube side.Lower part cooling section is also package heat exchange structure, and wherein cooling gas walks shell side, and active carbon walks tube side.
The first nitrogen branch supplying nitrogen enters in the tube side of lower part cooling section.The second nitrogen branch delivery of nitrogen
Gas enters in the tube side of top heated zones.
Generally, two rotary valves are set on the active carbon conveyance conduit of the top of the active carbon feed bin of adsorption tower.It is preferred that
It is connected with nitrogen delivery pipe between the two rotary valves, for nitrogen-sealed, prevents smoke spillage.
It is preferred that being respectively provided with first gas valve V and second in the front end of first gas pipeline and second gas pipeline
Gas valve V.
Generally, the first active carbon conveyer collects active carbon being discharged from the bottom of adsorption tower, having adsorbed flue gas
Material is then delivered to the top of Analytic Tower.
Second active carbon conveyer collects the regenerated active carbon of analytically tower discharge, is then delivered to adsorption tower
In the feed bin of top.
The main function of nitrogen is passed through in Analytic Tower: first is that sealing, second is that as SO2Carrier gas.Generally point four tunnels are passed through
Analytic Tower, including the nitrogen all the way of the cooling pars infrasegmentalis of Analytic Tower.A certain amount of ammonia is via first gas valve and first
Gas pipeline and enter in the nitrogen pipeline of the cooling pars infrasegmentalis of Analytic Tower, connect after nitrogen dilutes with regenerated carbon after cooling
Touching, ammonia are adsorbed in advance by active carbon.The ammonia of another part in gas mixer ammonia through Dilution air to NH3Concentration
Become to dilute ammonia after≤5vol%, sprays into flue.Three layers of flue point, is equally divided into top, middle part, lower part for adsorption tower, dilute
It releases ammonia and sprays into point in the middle part of flue.The cooling pars infrasegmentalis AC of Analytic Tower adsorbs NH3Afterwards, adsorption tower top is moved to through conveyer,
With smoke contacts, desulphurization denitration is realized, the ammonia for also resulting in activated carbon adsorption is gradually consumed by the reaction, but active carbon is still at this time
There is stronger catalytic activity, in order to strengthen denitration effect, dilution ammonia is added in the middle part of adsorption column inlet flue；By in adsorption tower
The active carbon in portion, photocatalytic active carbon is very poor, in order to avoid the waste of ammonia, in flue lower part without spraying into ammonia.
In above-mentioned second embodiment, it can be avoided ammonia and excessively escape.Take active carbon in the cooling pars infrasegmentalis of Analytic Tower
Preparatory absorbed portion ammonia；In order to enhance denitration effect, part ammonia is sprayed into again in the middle part of adsorption tower.
Preferably, adsorption tower has 3 active carbon material rooms, and according to the sequence of the flow direction of flue gas, the first material room is (i.e.
Cup), thickness difference 90-350mm (preferably 100-250mm, the 110- of the second material room (i.e. in room) and third material room (i.e. rear chamber)
230mm, such as 120,150,200 or 220mm), 360-2000mm (preferably 380-1800mm, preferably 400-1600mm, such as 450,
600,700,800,900,1200,1500,1700mm) and 420-2200mm (preferably 432-2200mm, preferably 450-2050mm,
Such as 500,600,700,800,900,1000,1100mm, 1400mm, 1600mm, 1800mm or 2000mm).
Preferably, there is a discharge round roller in the bottom of each material room of adsorption tower.
Preferably, there are one or more blowdown rotary valves in the blanking bin of adsorption tower or Lower Hold.
Generally, the height of the main structure of adsorption tower is 10-60m (rice), and preferably 12-55m (rice), preferably 14-50m are excellent
Select 16-45m, 18-40m, preferably 20-35m, preferably 22-30m.The height of the main structure of adsorption tower refers to from adsorption tower (main body
Structure) import to outlet between height.The tower height of adsorption tower, which refers to from absorption tower bottom active carbon, exports to absorption tower top
The height of portion's active carbon entrance, the i.e. height of the main structure of tower.
Analytic Tower or regenerator usually have 8-45 meters, preferably 10-40 meters, more preferable 12-35 meters of tower height.Analytic Tower
Usually there are 6-100 meters2, preferably 8-50 meters2, it is 10-30 meters more preferable2, it is 15-20 meters further preferred2Body cross-section product.
In addition, in this application, flue gas includes: conventional industrial smoke or industrial waste gas in a broad sense.
Active carbon chamber expects that the thickness of room refers to the active carbon chamber or expects the distance between two porous barriers of room
Or spacing.
The advantages of the utility model or advantageous effects
1, by allowing active carbon to adsorb a certain amount of ammonia in advance, enhance the effect of denitration, on the basis of existing technology
Improve 40% or more denitration effect.
2, reduce ammonia escape.
Detailed description of the invention
Fig. 1 is desulfuring and denitrifying apparatus and the process flow including activated carbon adsorber and regenerating active carbon tower of the prior art
Schematic diagram.
Fig. 2 is the denitration denitrification apparatus and process flow diagram of the utility model.
Fig. 3 is another denitration denitrification apparatus and process flow diagram of the utility model.
Appended drawing reference:
1: activated carbon adsorber；101: flue top；102: in the middle part of flue；103: flue lower part；A: smoke inlet；B: cigarette
Gas outlet；AC: active carbon feed bin；2: Analytic Tower；201: heating zone (section)；202: cooling zone (section)；3: gas mixer；4: the
One active carbon conveyer, 5: the second active carbon conveyers；
V1: first gas valve；V2: second gas valve；Vr: active carbon rotary valve；
L1: first gas pipeline, L2: second gas pipeline；L3: third gas pipeline.
L4: nitrogen delivery pipe；L4a: the first nitrogen branch pipe；L4b: the second nitrogen branch pipe；L4c: third nitrogen branch pipe；L4d:
4th nitrogen branch pipe.
Specific embodiment
Sintering flue gas to be treated is the sintering device flue gas from steel and iron industry in embodiment.
As shown in Figure 2, a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective is provided, which includes: adsorption tower 1, Analytic Tower
2, gas mixer 3, the first active carbon conveyer 4, the second active carbon conveyer 5 and adsorption tower 1 top be arranged activity
Charcoal feed bin AC,
Wherein adsorption tower 1 one side have smoke inlet A and respectively with the flue top 101 of smoke inlet A connection,
102 and flue lower part 103 and there is exhanst gas outlet B in its other side in the middle part of flue, and
The air inlet of active carbon feed bin AC is wherein connected to from the first gas pipeline L1 that the gas outlet of gas mixer 3 is drawn
Mouth (it is located at the middle part or lower part of feed bin AC), the second gas pipeline L2 drawn from the gas outlet of gas mixer 3 are connected to
102 and flue top 101 is optionally additionally coupled to and (connects or be not attached to) in the middle part of flue, from the outlet of active carbon feed bin AC
The third gas pipeline L3 and second gas pipeline L2 that mouth (it is located at the middle part or top of feed bin AC) is drawn converges.
Generally, the flue in smoke inlet downstream is divided into three layers, i.e. flue top 101, flue middle part 102 and flue lower part
103；Correspondingly, equally adsorption tower 1 is divided for top, middle part, lower part.Penetrating point of the ammonia in flue is diluted to be located in flue
Portion 102 (front end for being preferably placed at it).
In this application, " optionally " indicate be with or without, indicate carry out or without.
Generally, two rotary valve Vr are set on the active carbon conveyance conduit of the top of active carbon feed bin AC.It is preferred that at this
It is connected with nitrogen delivery pipe between two rotary valve Vr, for nitrogen-sealed, prevents smoke spillage.
It is preferred that the front end of first gas pipeline L1 and second gas pipeline L2 be respectively provided with first gas valve V1 and
Second gas valve V2.
Generally, the first active carbon conveyer 4 collects activity being discharged from the bottom of adsorption tower 1, having adsorbed flue gas
Charcoal material is then delivered to the top of Analytic Tower.
Second active carbon conveyer 5 collects the regenerated active carbon that analytically tower 2 is discharged, and is then delivered to adsorption tower
In 1 top feed bin 3.
Generally, it is connected with nitrogen delivery pipe between two rotary valve Vr on the top feed pipe of Analytic Tower 2, and solved
It analyses and is connected with nitrogen delivery pipe between two rotary valve Vr on the lower section discharge duct of tower 2, these are used for nitrogen-sealed, prevent cigarette
Gas leakage.
Ammonia is through Dilution air to NH in gas mixer 33Become to dilute ammonia after concentration≤5vol%, the first via is dilute
It releases ammonia and is passed through feed bin at the top of adsorption tower through first gas valve V1 and first gas pipeline L1, dilute ammonia by feed bin
Interior active carbon adsorbs in advance.Another way or the second tunnel dilution ammonia are transported to through second gas valve V2 and second gas pipeline L2
102 and flue top 101 is optionally transported in the middle part of flue.The mixed gas being discharged from active carbon feed bin AC is via third gas
Body pipeline L3 is conveyed and is converged with another way or the second tunnel dilution ammonia, sprays into flue.Three layers of flue point, equally by adsorption tower point
For top, middle part, lower part, diluted ammonia gas blowout access point is located in the middle part of flue.Ammonia leaks to conveyer in feed bin in order to prevent,
Double layer rotating valve Vr is set between feed bin and conveyer, and is passed through sealing gas (such as nitrogen or inert gas).AC in feed bin
Adsorb NH3Afterwards, under the effect of gravity, it is transferred to adsorption tower top, with smoke contacts, desulphurization denitration is realized, also results in activity
The ammonia of charcoal absorption is gradually fallen by reaction of nitrogen oxides, but active carbon still has stronger catalytic activity at this time, in order to strengthen denitration effect,
Therefore part ammonia is added in the middle part of adsorption column inlet flue；By the active carbon in the middle part of adsorption tower, photocatalytic active carbon is very
Difference, in order to avoid the waste of ammonia, in flue lower part without spraying into ammonia.
In above-mentioned first embodiment, it can be avoided ammonia and excessively escape.Take the preparatory absorbed portion ammonia of active carbon；Together
When, in order to enhance denitration effect, part ammonia is sprayed into again at the middle part of adsorption tower.
As shown in Figure 3, a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective is provided, which includes: adsorption tower 1, Analytic Tower
2, gas mixer 3, the first active carbon conveyer 4, the second active carbon conveyer 5 and adsorption tower 1 top be arranged activity
Charcoal feed bin AC,
Wherein adsorption tower 1 one side have smoke inlet A and respectively with the flue top 101 of smoke inlet A connection,
102 and flue lower part 103 and there is exhanst gas outlet B in its other side in the middle part of flue,
Wherein Analytic Tower 2 is furnished with nitrogen delivery pipe L4, and there are four branch i.e. the first nitrogen branches for nitrogen delivery pipe L4 tool
L4a, the second nitrogen branch L4b, third nitrogen branch L4c and the 4th nitrogen branch L4d, the first nitrogen branch L4a are connected to
The lower part cooling section 202 of Analytic Tower 2, the second nitrogen branch L4b are connected to the top heated zones 201 of Analytic Tower 2, this
Three nitrogen branch L4c are connected between two rotary valve Vr on the top feed pipe of Analytic Tower 2, the 4th nitrogen branch L4d
It is connected between two rotary valve Vr on the lower section discharge duct of Analytic Tower 2；With
Wherein ammonia delivery pipe is divided into two-way i.e. first gas pipeline L1 and second gas pipeline L2, the first gas pipe
Road L1 is connected to the first nitrogen branch L4a, and second gas pipeline L2 is connected to the ammonia imports of gas mixer 3, mixed from gas
The third gas pipeline L3 that the mixed gas outlet of clutch 3 is drawn, which is connected to 102 in the middle part of the flue of adsorption tower 1, (preferably, sprays ammonia point
Positioned at its front end).
Generally, the top heated zones 201 of Analytic Tower 2 are package heat exchange structure, and wherein heat gas walks shell side, and active
Charcoal walks tube side.Lower part cooling section 202 is also package heat exchange structure, and wherein cooling gas walks shell side, and active carbon walks tube side.
The first nitrogen branch L4a supplying nitrogen enters in the tube side of lower part cooling section 202.The second nitrogen branch
L4b supplying nitrogen enters in the tube side of top heated zones 201.
Generally, two rotary valve Vr are set on the active carbon conveyance conduit of the top of the active carbon feed bin AC of adsorption tower 1.
It is preferred that being connected with nitrogen delivery pipe between the two rotary valves Vr, for nitrogen-sealed, smoke spillage is prevented.
It is preferred that the front end of first gas pipeline L1 and second gas pipeline L2 be respectively provided with first gas valve V1 and
Second gas valve V2.
Generally, the first active carbon conveyer 4 collects activity being discharged from the bottom of adsorption tower 1, having adsorbed flue gas
Charcoal material is then delivered to the top of Analytic Tower.
Second active carbon conveyer 5 collects the regenerated active carbon that analytically tower 2 is discharged, and is then delivered to adsorption tower
In 1 top feed bin 3.
The main function of nitrogen is passed through in Analytic Tower 2: first is that sealing, second is that as SO2Carrier gas.Generally point four tunnels
(L4a, L4b, L4c or L4d) is passed through Analytic Tower, including the nitrogen L4a all the way of the cooling pars infrasegmentalis of Analytic Tower.A certain amount of ammonia
Gas enters via first gas valve and first gas pipeline in the nitrogen pipeline L4a of the cooling pars infrasegmentalis of Analytic Tower, through nitrogen
It is contacted after dilution with regenerated carbon after cooling, ammonia is adsorbed in advance by active carbon.The ammonia of another part is mixed in gas
Ammonia is through Dilution air to NH in clutch 33Become to dilute ammonia after concentration≤5vol%, sprays into flue.Three layers of flue point, equally
Adsorption tower is divided into top, middle part, lower part, diluted ammonia gas blowout access point is located in the middle part of flue.The cooling pars infrasegmentalis AC absorption of Analytic Tower
NH3Afterwards, move to adsorption tower top through conveyer, and smoke contacts realize desulphurization denitration, also result in the ammonia of activated carbon adsorption by
It is gradually consumed by the reaction, but active carbon still has stronger catalytic activity at this time, in order to strengthen denitration effect, in adsorption column inlet flue
Dilution ammonia is added in middle part；By the active carbon in the middle part of adsorption tower, photocatalytic active carbon is very poor, in order to avoid the wave of ammonia
Take, in flue lower part without spraying into ammonia.
Embodiment 1
A kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective, the device include: adsorption tower 1, Analytic Tower 2, gas mixer 3, and
One active carbon conveyer 4, the second active carbon conveyer 5 and the active carbon feed bin AC being arranged in the top of adsorption tower 1,
Wherein adsorption tower 1 has smoke inlet A in one side, has exhanst gas outlet B in its other side, and
The air inlet of active carbon feed bin AC is wherein connected to from the first gas pipeline L1 that the gas outlet of gas mixer 3 is drawn
Mouthful, the second gas pipeline L2 drawn from the gas outlet of gas mixer 3 is connected to smoke inlet A, from active carbon feed bin AC's
The third gas pipeline L3 and second gas pipeline L2 that gas outlet is drawn converges.
Embodiment 2
Embodiment 1 is repeated, only smoke inlet downstream is flue, and the flue in smoke inlet downstream is divided into three layers, respectively
For in the middle part of flue top 101, flue 102 and flue lower part 103, the second gas pipe drawn from the gas outlet of gas mixer 3
Road L2 is connected to 102 in the middle part of smoke inlet A flue.Embodiment 3
Embodiment 2 is repeated, two rotary valves are only set on the active carbon conveyance conduit of the top of active carbon feed bin AC
Vr；It is preferred that being connected with nitrogen delivery pipe between the two rotary valves Vr, for nitrogen-sealed, smoke spillage is prevented.First
The front end of gas pipeline L1 and second gas pipeline L2 are respectively provided with first gas valve V1 and second gas valve V2.
Embodiment 4
Repeat embodiment 3, only set on the top feed pipe of Analytic Tower 2 there are two rotary valve Vr, the top of Analytic Tower 2 into
Nitrogen delivery pipe is connected between two rotary valve Vr in expects pipe；Two rotations that the lower section discharge duct of Analytic Tower 2 is equipped with
Valve Vr is connected with nitrogen delivery pipe between two rotary valve Vr on the lower section discharge duct of Analytic Tower 2.
Embodiment 5
A kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective, the device include: adsorption tower 1, Analytic Tower 2, gas mixer 3, and
One active carbon conveyer 4, the second active carbon conveyer 5 and the active carbon feed bin AC being arranged in the top of adsorption tower 1,
Wherein adsorption tower 1 has smoke inlet A in one side, has exhanst gas outlet B in its other side,
Wherein Analytic Tower 2 is furnished with nitrogen delivery pipe L4, and there are four branch i.e. the first nitrogen branches for nitrogen delivery pipe L4 tool
L4a, the second nitrogen branch L4b, third nitrogen branch L4c and the 4th nitrogen branch L4d, the first nitrogen branch L4a are connected to
The lower part cooling section 202 of Analytic Tower 2, the second nitrogen branch L4b are connected to the top heated zones 201 of Analytic Tower 2, this
Three nitrogen branch L4c are connected between two rotary valve Vr on the top feed pipe of Analytic Tower 2, the 4th nitrogen branch L4d
It is connected between two rotary valve Vr on the lower section discharge duct of Analytic Tower 2；With
Wherein ammonia delivery pipe is divided into two-way i.e. first gas pipeline L1 and second gas pipeline L2, the first gas pipe
Road L1 is connected to the first nitrogen branch L4a, and second gas pipeline L2 is connected to the ammonia imports of gas mixer 3, mixed from gas
The third gas pipeline L3 that the mixed gas outlet of clutch 3 is drawn is connected to the smoke inlet A of adsorption tower 1.
Embodiment 6
Embodiment 5 is repeated, only the downstream smoke inlet A is flue, and the flue in the downstream smoke inlet A is divided into three layers, point
Not Wei flue top 101,102 and flue lower part 103 in the middle part of flue, the second gas drawn from the gas outlet of gas mixer 3
Pipeline L2 is connected to smoke inlet A flue middle part 102 and is connected to flue top 101.
Embodiment 7
Embodiment 6 is repeated, only the top heated zones 201 of Analytic Tower 2 are package heat exchange structure, and wherein heat gas is walked
Shell side, and active carbon walks tube side, lower part cooling section 202 is also package heat exchange structure, and wherein cooling gas walks shell side, and active
Charcoal walks tube side；
The first nitrogen branch L4a supplying nitrogen enters in the tube side of lower part cooling section 202.The second nitrogen branch
L4b supplying nitrogen enters in the tube side of top heated zones 201；
Two rotary valve Vr are set on the active carbon conveyance conduit of the top of the active carbon feed bin AC of adsorption tower 1；It is preferred that
It is connected with nitrogen delivery pipe between the two rotary valves Vr, for nitrogen-sealed, prevents smoke spillage.
Embodiment 8
Embodiment 7 is repeated, is only respectively provided with first in the front end of first gas pipeline L1 and second gas pipeline L2
Gas valve V1 and second gas valve V2；Set on the top feed pipe of Analytic Tower 2 there are two rotary valve Vr, Analytic Tower 2 it is upper
Nitrogen delivery pipe is connected between two rotary valve Vr on square feed pipe.
Claims (19)
1. a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective, which includes: adsorption tower (1), Analytic Tower (2), gas mixer
(3), the first active carbon conveyer (4), the second active carbon conveyer (5) and the active carbon material being arranged in the top of adsorption tower (1)
Storehouse (AC),
Wherein adsorption tower (1) has smoke inlet (A) in one side, has exhanst gas outlet (B) in its other side, and
It is characterized by: being connected to active carbon feed bin from the first gas pipeline (L1) that the gas outlet of gas mixer (3) is drawn
(AC) air inlet, the second gas pipeline (L2) drawn from the gas outlet of gas mixer (3) are connected to smoke inlet (A),
The third gas pipeline (L3) drawn from the gas outlet of active carbon feed bin (AC) converges with second gas pipeline (L2)；
Wherein the height of the main structure of adsorption tower (1) is the tower height that 10-60 meters and Analytic Tower (2) have 8-45 meters.
2. the apparatus according to claim 1, it is characterised in that: smoke inlet downstream is flue, in smoke inlet downstream
Flue is divided into three layers, respectively flue top (101), flue middle part (102) and flue lower part (103), from gas mixer (3)
The second gas pipeline (L2) drawn of gas outlet be connected to (102) in the middle part of smoke inlet (A) flue and be optionally additionally coupled to
Flue top (101).
3. device according to claim 1 or 2, it is characterised in that: the active carbon in the top of active carbon feed bin (AC) is defeated
Send two rotary valves (Vr) of setting on pipeline.
4. device according to claim 3, it is characterised in that: be connected with nitrogen conveying between the two rotary valves (Vr)
Pipe, for nitrogen-sealed, prevents smoke spillage.
5. according to claim 1, device described in any one of 2,4, it is characterised in that: in first gas pipeline (L1) and second
The front end of gas pipeline (L2) is respectively provided with first gas valve (V1) and second gas valve (V2).
6. device according to claim 3, it is characterised in that: in first gas pipeline (L1) and second gas pipeline (L2)
Front end be respectively provided with first gas valve (V1) and second gas valve (V2).
7. according to claim 1, device described in any one of 2,4,6, it is characterised in that: the top feed pipe of Analytic Tower (2)
On set there are two rotary valve (Vr), it is defeated to be connected with nitrogen between two rotary valves (Vr) on the top feed pipe of Analytic Tower (2)
Send pipe；And/or
Two rotary valves (Vr) that the lower section discharge duct of Analytic Tower (2) is equipped with, two on the lower section discharge duct of Analytic Tower (2)
Nitrogen delivery pipe is connected between a rotary valve (Vr).
8. device according to claim 3, it is characterised in that: rotation there are two being set on the top feed pipe of Analytic Tower (2)
Valve (Vr) is connected with nitrogen delivery pipe between two rotary valves (Vr) on the top feed pipe of Analytic Tower (2)；And/or
Two rotary valves (Vr) that the lower section discharge duct of Analytic Tower (2) is equipped with, two on the lower section discharge duct of Analytic Tower (2)
Nitrogen delivery pipe is connected between a rotary valve (Vr).
9. device according to claim 5, it is characterised in that: rotation there are two being set on the top feed pipe of Analytic Tower (2)
Valve (Vr) is connected with nitrogen delivery pipe between two rotary valves (Vr) on the top feed pipe of Analytic Tower (2)；And/or
Two rotary valves (Vr) that the lower section discharge duct of Analytic Tower (2) is equipped with, two on the lower section discharge duct of Analytic Tower (2)
Nitrogen delivery pipe is connected between a rotary valve (Vr).
10. a kind of desulfuring and denitrifying apparatus of NO_x Reduction by Effective, which includes: adsorption tower (1), Analytic Tower (2), gas mixer
(3), the first active carbon conveyer (4), the second active carbon conveyer (5) and the active carbon material being arranged in the top of adsorption tower (1)
Storehouse (AC),
Wherein adsorption tower (1) has smoke inlet (A) in one side, has exhanst gas outlet (B) in its other side,
It is characterized by: Analytic Tower (2) is furnished with nitrogen delivery pipe (L4), there are four branch i.e. first for the nitrogen delivery pipe (L4) tool
Nitrogen branch (L4a), the second nitrogen branch (L4b), third nitrogen branch (L4c) and the 4th nitrogen branch (L4d), first nitrogen
Gas branch (L4a) is connected to the lower part cooling section (202) of Analytic Tower (2), which is connected to Analytic Tower
(2) top heated zones (201), the third nitrogen branch (L4c) are connected to two on the top feed pipe of Analytic Tower (2)
Between rotary valve (Vr), the 4th nitrogen branch (L4d) is connected to two rotary valves on the lower section discharge duct of Analytic Tower (2)
(Vr) between；With
Wherein ammonia delivery pipe is divided into two-way i.e. first gas pipeline (L1) and second gas pipeline (L2), the first gas pipe
Road (L1) is connected to the first nitrogen branch (L4a), and second gas pipeline (L2) is connected to the ammonia imports of gas mixer (3),
The third gas pipeline (L3) drawn from the mixed gas outlet of gas mixer (3) is connected to the smoke inlet of adsorption tower (1)
(A)；
Wherein the height of the main structure of adsorption tower (1) is the tower height that 10-60 meters and Analytic Tower (2) have 8-45 meters.
11. device according to claim 10, it is characterised in that: the smoke inlet downstream (A) is flue, in smoke inlet
(A) flue in downstream is divided into three layers, respectively flue top (101), flue middle part (102) and flue lower part (103), from gas
The second gas pipeline (L2) that the gas outlet of mixer (3) is drawn is connected in the middle part of smoke inlet (A) flue (102) and optionally
It is additionally coupled to flue top (101).
12. device described in 0 or 11 according to claim 1, it is characterised in that: the top heated zones (201) of Analytic Tower (2) are
Package heat exchange structure, wherein heat gas walks shell side, and active carbon walks tube side, and lower part cooling section (202) also exchanges heat for package
Structure, wherein cooling gas walks shell side, and active carbon walks tube side；
First nitrogen branch (L4a) supplying nitrogen enters in the tube side of lower part cooling section (202)；The second nitrogen branch
(L4b) supplying nitrogen enters in the tube side of top heated zones (201).
13. device described in 0 or 11 according to claim 1, it is characterised in that: in the active carbon feed bin (AC) of adsorption tower (1)
Two rotary valves (Vr) are set on the active carbon conveyance conduit of top.
14. device according to claim 13, it is characterised in that: it is defeated between the two rotary valves (Vr) to be connected with nitrogen
Pipe is sent, for nitrogen-sealed, prevents smoke spillage.
15. device according to claim 12, it is characterised in that: in the top of the active carbon feed bin (AC) of adsorption tower (1)
Active carbon conveyance conduit on be arranged two rotary valves (Vr).
16. device according to claim 15, it is characterised in that: be preferably connected with nitrogen between the two rotary valves (Vr)
Letter shoot for nitrogen-sealed, prevents smoke spillage.
17. according to claim 10,11, device described in any one of 14-16, it is characterised in that: in first gas pipeline
(L1) and the front end of second gas pipeline (L2) is respectively provided with first gas valve (V1) and second gas valve (V2)；With/
Or
Two rotations there are two being set on the top feed pipe of Analytic Tower (2) rotary valve (Vr), on the top feed pipe of Analytic Tower (2)
Nitrogen delivery pipe is connected between rotary valve (Vr).
18. device according to claim 12, it is characterised in that: in first gas pipeline (L1) and second gas pipeline
(L2) front end is respectively provided with first gas valve (V1) and second gas valve (V2)；And/or
Two rotations there are two being set on the top feed pipe of Analytic Tower (2) rotary valve (Vr), on the top feed pipe of Analytic Tower (2)
Nitrogen delivery pipe is connected between rotary valve (Vr).
19. device according to claim 13, it is characterised in that: in first gas pipeline (L1) and second gas pipeline
(L2) front end is respectively provided with first gas valve (V1) and second gas valve (V2)；And/or
Two rotations there are two being set on the top feed pipe of Analytic Tower (2) rotary valve (Vr), on the top feed pipe of Analytic Tower (2)
Nitrogen delivery pipe is connected between rotary valve (Vr).
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| CN201820485666.4U CN208626952U (en) | 2018-04-08 | 2018-04-08 | The desulfuring and denitrifying apparatus of NO_x Reduction by Effective |
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| CN201820485666.4U CN208626952U (en) | 2018-04-08 | 2018-04-08 | The desulfuring and denitrifying apparatus of NO_x Reduction by Effective |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110124442A (en) * | 2019-05-20 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of judgement of rotary valve gas leakage and processing method and its system |
| CN110124441A (en) * | 2019-05-20 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of judgement of rotary valve gas leakage and processing method and its system |
| CN110201527A (en) * | 2019-07-08 | 2019-09-06 | 北京中航泰达环保科技股份有限公司 | A kind of pre- spray ammonia system and technique of active carbon desulfurization denitration |
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2018
- 2018-04-08 CN CN201820485666.4U patent/CN208626952U/en active Active
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110124442A (en) * | 2019-05-20 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of judgement of rotary valve gas leakage and processing method and its system |
| CN110124441A (en) * | 2019-05-20 | 2019-08-16 | 中冶长天国际工程有限责任公司 | A kind of judgement of rotary valve gas leakage and processing method and its system |
| CN110124442B (en) * | 2019-05-20 | 2021-07-20 | 中冶长天国际工程有限责任公司 | Method and system for treating air leakage of rotary valve |
| CN110124441B (en) * | 2019-05-20 | 2021-07-20 | 中冶长天国际工程有限责任公司 | Method and system for treating air leakage of rotary valve |
| CN110201527A (en) * | 2019-07-08 | 2019-09-06 | 北京中航泰达环保科技股份有限公司 | A kind of pre- spray ammonia system and technique of active carbon desulfurization denitration |
| CN110201527B (en) * | 2019-07-08 | 2020-07-07 | 北京中航泰达环保科技股份有限公司 | Pre-ammonia spraying system and process for activated carbon desulfurization and denitrification |
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