CN220990243U - Active burnt SOx/NOx control device and system - Google Patents
Active burnt SOx/NOx control device and system Download PDFInfo
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- CN220990243U CN220990243U CN202322753677.XU CN202322753677U CN220990243U CN 220990243 U CN220990243 U CN 220990243U CN 202322753677 U CN202322753677 U CN 202322753677U CN 220990243 U CN220990243 U CN 220990243U
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- 238000006477 desulfuration reaction Methods 0.000 claims abstract description 215
- 230000023556 desulfurization Effects 0.000 claims abstract description 215
- 239000000571 coke Substances 0.000 claims abstract description 83
- 239000000463 material Substances 0.000 claims abstract description 61
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 42
- 239000003546 flue gas Substances 0.000 claims abstract description 42
- 238000001179 sorption measurement Methods 0.000 claims abstract description 32
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 22
- 230000007704 transition Effects 0.000 claims description 22
- 239000011148 porous material Substances 0.000 claims description 11
- 229910021529 ammonia Inorganic materials 0.000 claims description 8
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000005507 spraying Methods 0.000 claims description 8
- 238000007599 discharging Methods 0.000 claims description 4
- MWUXSHHQAYIFBG-UHFFFAOYSA-N Nitric oxide Chemical compound O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 15
- 238000004891 communication Methods 0.000 description 10
- 230000000694 effects Effects 0.000 description 10
- 238000000034 method Methods 0.000 description 7
- 238000000746 purification Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 239000000428 dust Substances 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 229910052815 sulfur oxide Inorganic materials 0.000 description 6
- 230000001276 controlling effect Effects 0.000 description 5
- 239000007789 gas Substances 0.000 description 5
- XTQHKBHJIVJGKJ-UHFFFAOYSA-N sulfur monoxide Chemical compound S=O XTQHKBHJIVJGKJ-UHFFFAOYSA-N 0.000 description 5
- 239000000779 smoke Substances 0.000 description 3
- TXKMVPPZCYKFAC-UHFFFAOYSA-N disulfur monoxide Inorganic materials O=S=S TXKMVPPZCYKFAC-UHFFFAOYSA-N 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000002803 fossil fuel Substances 0.000 description 2
- 238000009776 industrial production Methods 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000009423 ventilation Methods 0.000 description 2
- 239000002699 waste material Substances 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000006978 adaptation Effects 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000002485 combustion reaction Methods 0.000 description 1
- 230000002596 correlated effect Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000000926 separation method Methods 0.000 description 1
Classifications
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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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- Treating Waste Gases (AREA)
Abstract
The utility model provides an active coke desulfurization and denitrification device and a system, wherein the active coke desulfurization and denitrification device comprises a body, the body comprises a first air chamber, a second air chamber and an adsorption zone, the first air chamber and the second air chamber are respectively arranged at two sides of the adsorption zone and are communicated with the adsorption zone, the adsorption zone is sequentially provided with a denitrification bed and a desulfurization bed from top to bottom, the desulfurization bed comprises a first desulfurization layer and a second desulfurization layer, a material guide pipe is arranged in the denitrification bed and is communicated with the first desulfurization layer, the denitrification bed is communicated with the second desulfurization layer and is used for materials to pass through, the first desulfurization layer and the second desulfurization layer are communicated and are used for flue gas to pass through, the first air chamber comprises an air outlet chamber and an air inlet chamber which are arranged at intervals from top to bottom, the air inlet chamber is communicated with the second desulfurization layer, and the air outlet chamber is communicated with the denitrification bed.
Description
Technical Field
The utility model relates to the technical field of flue gas purification, in particular to an active coke desulfurization and denitrification device and system.
Background
Along with the continuous development of industrial production, the living standard and the technological level of people are continuously improved, a series of environmental problems are brought, a large amount of fossil fuel is required to be used in the industrial production, a large amount of flue gas is generated in the combustion process of the fossil fuel, and a large amount of nitrogen oxide and sulfur oxide are contained in the flue gas and are directly discharged into the atmosphere, so that the environment is greatly harmed. In recent years, with the increase of environmental protection requirements, the requirements for controlling nitrogen oxide and sulfur oxide in flue gas are more urgent.
Currently, in practical engineering applications, flue gas is mostly introduced into a desulfurization and denitrification device, and passes through a denitrification bed and a desulfurization bed, wherein nitrogen oxides are removed in the denitrification bed, and sulfur oxides are removed in the desulfurization bed. The desulfurization and denitrification device has a complex structure, so that the occupied area of the desulfurization and denitrification device is large, desulfurization and denitrification are operated in a correlated mode, the activity of materials is reduced after the denitrification bed is used for denitrifying the flue gas, the adsorptivity is poor, and the flue gas purifying effect is poor.
Accordingly, the present utility model is directed to providing an active coke desulfurization and denitrification device and system to solve the above-mentioned problems.
Disclosure of utility model
The utility model aims to provide an active coke desulfurization and denitrification device and system, wherein a first desulfurization layer and a denitrification bed are arranged in parallel, so that flue gas, desulfurization and denitrification can be independently operated, one part of materials are discharged through a second desulfurization layer after the adsorption of nitrogen oxides of the flue gas in the denitrification bed is completed, and the other part of materials enter the first desulfurization layer through a material guide pipe and adsorb the sulfur oxides of the flue gas in the first desulfurization layer, so that the flue gas purification effect is good, the purification efficiency of the desulfurization bed is ensured, the flue gas purification effect is good, the structure is simple, and the occupied area is small.
The technical scheme provided by the utility model is as follows:
The active coke desulfurization and denitrification device comprises a body, wherein the body comprises a first air chamber, a second air chamber and an adsorption zone, and the first air chamber and the second air chamber are respectively arranged at two sides of the adsorption zone and are communicated with the adsorption zone;
The adsorption zone is sequentially provided with a denitration bed and a desulfurization bed from top to bottom, the desulfurization bed comprises a first desulfurization layer and a second desulfurization layer, a material guide pipe is arranged in the denitration bed, the material guide pipe is communicated with the first desulfurization layer, and the denitration bed is communicated with the second desulfurization layer and is used for passing materials;
The first desulfurization layer is communicated with the second desulfurization layer and is used for allowing flue gas to pass through, the first air chamber comprises an air outlet chamber and an air inlet chamber which are arranged at intervals from top to bottom, the air inlet chamber is communicated with the second desulfurization layer, and the air outlet chamber is communicated with the denitration bed;
Wherein, the material is got into in the adsorption zone, a part of material is got into through the denitration bed in the second desulfurization layer is discharged, another part of material is got into through the passage in the first desulfurization layer and is discharged.
In some embodiments, the thickness of the second desulfurization layer is less than the thickness of the first desulfurization layer such that the flow rate of the material at the second desulfurization layer is greater than the rate of the material at the first desulfurization layer.
In some embodiments, the system further comprises a first discharge hopper and a second discharge hopper, the first discharge hopper is arranged below the first desulfurization layer, and the second discharge hopper is arranged below the second desulfurization layer;
The bottom of the first discharging hopper is provided with a first discharger, and the lower part of the second discharging hopper is provided with a second discharger.
In some embodiments, an ammonia spraying mechanism is disposed in the second air chamber, and is configured to release ammonia gas and mix with the flue gas.
In some embodiments, the device further comprises a top bin, a bottom chute and a feeding chute communicated with the denitration bed, wherein the feeding chute is arranged above the denitration bed, the top bin is arranged at one end of the feeding chute far away from the denitration bed and communicated with the feeding chute, and a level gauge is arranged in the top bin;
the bottom chute is arranged below the first discharge hopper and the second discharge hopper, and materials are discharged from the body through the bottom chute.
In some embodiments, the air inlet is disposed on the air inlet chamber and is in communication with the air inlet chamber, and the air outlet is disposed on the air outlet chamber and is in communication with the air outlet chamber.
In some embodiments, the denitration device further comprises a first transition pipeline and a second transition pipeline, wherein the first transition pipeline is arranged between the denitration bed and the first desulfurization layer, and the material guide pipe and the first desulfurization layer are mutually communicated through the first transition pipeline;
The second transition pipeline is arranged between the denitration bed and the second desulfurization layer, and the second desulfurization layer and the denitration bed are mutually communicated through the second transition pipeline.
In some embodiments, the second plenum has a thickness of 800mm to 1200mm.
In some embodiments of the present invention, in some embodiments,
The first desulfurization layer is communicated with the second desulfurization layer through a grid plate or a pore plate, and the second desulfurization layer is communicated with the air inlet chamber through the grid plate or the pore plate;
and/or
The first desulfurization layer is communicated with the second air chamber through a grating plate or a pore plate, and the denitration bed is communicated with the second air chamber through the grating plate or the pore plate;
and/or
The air outlet chamber is communicated with the denitration bed through a grating plate or a pore plate.
An active coke desulfurization and denitrification system comprises any one of the active coke desulfurization and denitrification devices, wherein the number of the active coke desulfurization and denitrification devices is two;
The air inlet chambers of the two active coke desulfurization and denitrification devices are communicated with each other, and the air outlet chambers of the two active coke desulfurization and denitrification devices are communicated with each other.
The active coke desulfurization and denitrification device and the system provided by the utility model have the following beneficial effects:
1. According to the active coke desulfurization and denitrification device and system provided by the utility model, the first desulfurization bed and the denitrification bed are in parallel connection, the material guide pipe communicated with the first desulfurization layer is arranged in the denitrification bed, the denitrification bed is mutually communicated with the second desulfurization layer, when materials enter the adsorption zone, a part of materials enter the denitrification bed and are discharged through the second desulfurization layer, and the other part of materials enter the material guide pipe and are discharged through the first desulfurization layer.
2. According to the active coke desulfurization and denitrification device and system provided by the utility model, the thickness of the second desulfurization layer is smaller than that of the first desulfurization layer, so that the moving speed of the second desulfurization layer is larger than that of the first desulfurization layer, and the dust in the smoke can be taken away in time when the material moves rapidly in the second desulfurization layer, so that the adverse effect of the dust on the active coke desulfurization and denitrification device is reduced.
3. According to the active coke desulfurization and denitrification device and system provided by the utility model, the first discharger is arranged at the bottom of the first discharge hopper, the second discharger is arranged at the bottom of the second discharge hopper, the moving speed of materials in the first desulfurization layer is controlled through the first discharger, the moving speeds of materials in the denitrification bed and the second desulfurization layer are controlled through the second discharger, and then the operation parameters of desulfurization and denitrification are respectively controlled according to actual conditions.
Drawings
The above features, technical features, advantages and implementation modes of the present invention will be further described in the following description of preferred embodiments with reference to the accompanying drawings in a clear and understandable manner.
FIG. 1 is a schematic structural diagram of an active coke desulfurization and denitrification device provided by the utility model;
FIG. 2 is a schematic diagram of flue gas trend of an active coke desulfurization and denitrification device provided by the utility model;
FIG. 3 is a schematic diagram of the trend of the materials in the material guiding pipe of the active coke desulfurization and denitrification device provided by the utility model;
FIG. 4 is a schematic diagram showing the direction of materials in a denitration bed of an active coke desulfurization and denitration system provided by the utility model;
FIG. 5 is a schematic structural diagram of an embodiment of an active coke desulfurization and denitrification system provided by the utility model;
Fig. 6 is a schematic diagram of flue gas trend of an embodiment of an active coke desulfurization and denitrification system provided by the utility model.
Reference numerals illustrate:
The device comprises a first gas chamber 100, an inlet chamber 110, an outlet chamber 120, a second gas chamber 200, an ammonia spraying mechanism 210, an adsorption zone 300, a top hopper 310, a feeding chute 320, a denitration bed 410, a material guide pipe 411, a desulfurization bed 420, a first desulfurization layer 421, a second desulfurization layer 422, a first discharge hopper 430, a first discharger 431, a second discharge hopper 440, a second discharger 441, a bottom chute 450, a first transition pipeline 460 and a second transition pipeline 470.
Detailed Description
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following description will explain the specific embodiments of the present utility model with reference to the accompanying drawings. It is evident that the drawings in the following description are only examples of the utility model, from which other drawings and other embodiments can be obtained by a person skilled in the art without inventive effort.
For the sake of simplicity of the drawing, the parts relevant to the present utility model are shown only schematically in the figures, which do not represent the actual structure thereof as a product. Additionally, in order to simplify the drawing for ease of understanding, components having the same structure or function in some of the drawings are shown schematically with only one of them, or only one of them is labeled. Herein, "a" means not only "only this one" but also "more than one" case.
In this context, it should be noted that the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected, unless explicitly stated or limited otherwise; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
In addition, in the description of the present application, the terms "first," "second," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance.
In one embodiment, referring to fig. 1 to 4 of the drawings, an active coke desulfurization and denitrification device is illustrated, and the desulfurization process and the denitrification process of the active coke desulfurization and denitrification device are mutually independently operated by arranging a denitrification bed 410 and a first desulfurization layer 421 in parallel, so that the separation of desulfurization and denitrification is realized, the desulfurization and denitrification efficiency is ensured, the structure is simple, the occupied area is small, the maintenance is convenient for a user, the waste of materials is reduced, and the cost is reduced.
Specifically, the active coke desulfurization and denitrification device comprises a body, wherein the body comprises a first air chamber 100 and a second air chamber 200, the first air chamber 100 and the second air chamber 200 are arranged in parallel, an adsorption area 300 is further arranged between the first air chamber 100 and the second air chamber 200, namely, the first air chamber 100 and the second air chamber 200 are arranged on two sides of the adsorption area 300 and are mutually communicated with the adsorption area 300. Accordingly, the adsorption zone 300 includes a denitration bed 410 and a desulfurization bed 420, and the denitration bed 410 is disposed above the desulfurization bed 420. A material guide pipe 411 is arranged in the denitration bed 410, the desulfurization bed 420 comprises a first desulfurization layer 421 and a second desulfurization layer 422, the material guide pipe 411 is communicated with the first desulfurization layer 421, and the second desulfurization layer 422 is communicated with the denitration bed 410.
Referring to fig. 3 and 4 of the drawings, it can be understood that when the material enters the present desulfurization and denitrification device from the adsorption zone 300, a part of the material enters the denitrification bed 410, and enters the second desulfurization layer 422 through the denitrification bed 410, and another part of the material, i.e. the rest of the material, enters the material guiding pipe 411, and enters the first desulfurization layer 421 through the material guiding pipe 411. Therefore, the materials in the material guiding pipe 411 and the first desulfurization layer 421 are separated from each other, so that the materials in the denitration bed 410 and the first desulfurization layer 421 are not mutually interfered, the mutual independence of the desulfurization process and the denitration process is realized, the structure is simple, the occupied area is small, and the maintenance of a user is convenient.
Accordingly, the first desulfurization layer 421 and the second desulfurization layer 422 are mutually communicated, so that the flue gas enters the first desulfurization layer 421 from the second desulfurization layer 422. Accordingly, the first plenum 100 includes an inlet plenum 110 and an outlet plenum 120, the inlet plenum 110 and the outlet plenum 120 are spaced apart from each other, and the outlet plenum 120 is disposed above the inlet plenum 110. The inlet plenum 110 is in communication with the second desulfurization layer 422 and the outlet plenum 120 is in communication with the denitration bed 410.
In the present embodiment, for convenience of explanation, the first air cells 100 and the second air cells 200 are disposed at both sides of the adsorption zone 300, respectively. When the smoke purifying device is used, the material is set to be active coke, and the smoke is adsorbed and purified through the active coke. Active coke enters from the upper part of the active coke desulfurization and denitrification device, one part of active coke enters into the denitrification bed 410, the other part of active coke enters into the material guiding pipe 411, the active coke entering into the denitrification bed 410 enters into the second desulfurization layer 422, and the active coke entering into the material guiding pipe 411 enters into the first desulfurization layer 421.
Referring to fig. 2 to 4 of the drawings, the flue gas sequentially enters the second desulfurization layer 422, the first desulfurization layer 421 and completes the adsorption and purification work of sulfur oxides from the air inlet chamber 110, then enters the second air chamber 200, enters the denitration bed 410 through the second air chamber 200 and completes the adsorption and purification work of nitrogen oxides, and is discharged through the air outlet chamber 120. Accordingly, when the flue gas enters the second desulfurization layer 422, the active coke in the denitration bed 410, which completes the adsorption work of the oxynitride on the flue gas, carries out primary desulfurization on the flue gas in the second desulfurization layer 422. Accordingly, the flue gas reenters the first desulfurization layer 421, and the active coke in the material guide pipe 411 does not participate in the denitration process of the denitration bed 410 and directly enters the first desulfurization layer 421, so that the active coke in the first desulfurization layer 421 has strong adsorptivity and high activity, ensures the desulfurization effect of the flue gas, and improves the desulfurization efficiency. The flue gas flows out from the first desulfurization layer 421 and then enters the second air chamber 200, and then enters the denitration bed 410 (the flue gas cannot enter the material guide pipe 411), and the active coke in the denitration bed 410 is used for denitration of the flue gas, so that the denitration effect is ensured. The flue gas after denitration is then discharged out of the body through the gas outlet chamber 120. It can be understood that the desulfurization and denitration of the active coke desulfurization and denitration device can independently operate, and the desulfurization and denitration effects are ensured.
In one embodiment, referring to fig. 1 of the drawings, the thickness of the second desulfurization layer 422 is less than the thickness of the first desulfurization layer 421, such that the flow velocity of the active coke at the second desulfurization layer 422 is greater than the flow velocity of the active coke at the first desulfurization layer 421. The flue gas is initially treated by the second desulfurization layer 422 and then enters the first desulfurization layer 421 for further treatment, and in the process, the active coke is rapidly discharged through the second desulfurization layer 422 due to the high flowing speed of the active coke in the second desulfurization layer 422. In addition, active coke itself contains some dust, and some active coke can break at the in-process that adsorption zone removed and produce the dust, and the dust can pile up in this device, influences the normal operating of this device. The thickness of first desulfurization layer 421 is greater than the thickness of second desulfurization layer 422 for active burnt is discharged at second desulfurization layer 422 fast, can in time take away the dust in the flue gas, guarantees the normal operating of this active burnt SOx/NOx control device, and the moving speed of active burnt in first desulfurization layer 421 is slower moreover, and then has prolonged the adsorption time of flue gas in first desulfurization layer 421, has improved the desulfurization effect of flue gas.
In practical production applications, the thickness of the first desulfurization layer 421 and the second desulfurization layer 422 is set according to different use conditions. In general, the thickness of the second desulfurization layer 422 is set to 400mm to 600mm, and the thickness of the first desulfurization layer 421 is 2 to 5 times the thickness of the second desulfurization layer 422.
In one embodiment, referring to fig. 1 and fig. 2 of the drawings in the specification, the embodiment further describes the active coke desulfurization and denitrification device. Specifically, the active coke desulfurization and denitrification device further comprises a first discharge hopper 430 and a second discharge hopper 440, wherein the first discharge hopper 430 is located below the first desulfurization layer 421 and is mutually communicated with the first desulfurization layer 421, and the second discharge hopper 440 is located below the second desulfurization layer 422 and is mutually communicated with the second desulfurization layer 422. Accordingly, a first discharger 431 is provided at the bottom of the first discharge hopper 430, and a second discharger 441 is provided below the second discharge hopper 440. The first discharger 431 is used for controlling the flow speed of the active coke in the first desulfurization layer 421, and further controlling the residence time of the active coke in the first desulfurization layer 421. The second discharger 441 is used for controlling the moving speed of the active coke in the denitration bed 410 and the second desulfurization layer 422, and further controlling the residence time of the active coke in the denitration bed 410 and the second desulfurization layer 422. Therefore, independent operation control of desulfurization and denitration is further realized, and a user can adjust operation parameters such as flow speed and the like according to actual conditions. For example, in practical production applications, the amount of denitrated material circulation required by the practical conditions is far lower than the amount of desulphurized material circulation, so that the flow rate of the material in the second desulphurized layer 422 can be properly reduced by adjusting the second discharger 441, the amount of denitrated material circulation is reduced, the adsorption efficiency of the denitrated bed 410 is not affected, and unnecessary waste can be reduced.
Further, the active coke desulfurization and denitrification device further comprises a top stock bin 310, a bottom chute 450 and a feeding chute 320, wherein the feeding chute 320 is arranged above the denitrification bed 410 and is communicated with the denitrification bed 410. The top bin 310 is disposed at an end of the feed chute 320 remote from the denitration bed 410 and is in communication with the feed chute 320. A level gauge is arranged in the top bin 310 and is used for monitoring the state of active coke, so that the active coke is ensured to be filled in the top bin 310. The bottom chute 450 is disposed below the first and second discharge hoppers 430 and 440, and activated coke is discharged from the body through the bottom chute 450. Active coke enters the feed chute 320 through the top bin 310, a portion of active coke enters the denitration bed 410 and is discharged from the first desulfurization layer 421 into the first discharge hopper 430, passes through the first discharger 431, enters the bottom chute 450, and is discharged from the body. A part of the activated coke enters the material guide pipe 411, enters the second desulfurization layer 422, enters the second discharge hopper 440, enters the bottom chute 450 through the second discharger 441, and is discharged from the body. The first discharger 431 and the second discharger 441 are both roller-type dischargers.
The active coke desulfurization and denitrification device also comprises an air inlet and an air outlet, wherein the air inlet is arranged on the air inlet chamber 110 and is mutually communicated with the air inlet chamber 110, and the air outlet is arranged on the air outlet chamber 120 and is mutually communicated with the air outlet chamber 120. The flue gas enters the air inlet chamber 110 through the air inlet, moves in the device, enters the air outlet chamber 120, and is discharged from the air outlet.
Still further, the active coke desulfurization and denitrification device further comprises a first transition pipeline 460 and a second transition pipeline 470, wherein the first transition pipeline 460 is arranged between the denitrification bed 410 and the first desulfurization layer 421, the material guide pipe 411 and the first desulfurization layer 421 are mutually communicated through the first transition pipeline 460, the second transition pipeline 470 is arranged between the denitrification bed 410 and the second desulfurization layer 422, and the second desulfurization layer 422 and the denitrification bed 410 are mutually communicated through the second transition pipeline 470. A portion of the activated coke enters the denitration bed 410 and enters the second desulfurization layer 422 through the second transition pipe 470, and another portion of the activated coke enters the feed conduit 411 and enters the first desulfurization layer 421 through the first transition pipe 460.
In one embodiment, referring to fig. 1 of the drawings in the specification, the embodiment further describes an active coke desulfurization and denitrification device. Specifically, the device further comprises an ammonia spraying mechanism 210, wherein the ammonia spraying mechanism 210 is arranged in the second air chamber 200, the ammonia spraying mechanism 210 can release ammonia gas, and the ammonia gas is mixed with the flue gas entering the second air chamber 200. Preferably, the thickness of the second air chamber 200 is set to 800mm-1200mm, so that the ammonia gas and the flue gas generated by the ammonia spraying mechanism 210 are mixed with each other, and the flue gas enters the second air chamber 200 and enters the denitration bed 410 after being mixed with the ammonia gas.
In one embodiment, the first desulfurization layer 421 is in communication with the second desulfurization layer 422 through a grid or orifice plate, and the second desulfurization layer 422 is in communication with the intake chamber 110 through a grid or orifice plate. The first desulfurization layer 421 is in communication with the second gas chamber 200 through a grid plate or a perforated plate, and the denitration bed 410 is in communication with the second gas chamber 200 through a grid plate or a perforated plate. The outlet plenum 120 communicates with the denitration bed 410 through a grid or orifice plate. It can be understood that the grating plate and the pore plate are both provided with ventilation holes for the passage of flue gas, and preferably, the diameter of the ventilation holes is smaller than that of the active coke, so that the flue gas can pass through, and the active coke can not pass through.
In one embodiment, an active coke desulfurization and denitrification system is provided in this embodiment. The active coke desulfurization and denitrification system comprises two active coke desulfurization and denitrification devices according to any one of the embodiments. The two active coke desulfurization and denitrification devices are arranged in parallel, the air inlet chambers 110 of the two devices are communicated with each other, the air outlet chambers 120 of the two devices are communicated with each other, flue gas enters the air inlet chambers 110 of each device respectively, then enters each device for adsorption purification, and finally is discharged from the air outlet chamber 120 of each device. Activated coke enters the two units through each unit top bin 310 and is discharged from the two bottom hoppers 450, respectively. The active coke desulfurization and denitrification system can treat a large amount of flue gas at one time, and has high working efficiency.
Preferably, referring to fig. 5 and 6 of the drawings, the inlet chambers 110 of each device may be combined into one, and the outlet chambers 120 may be combined into one, that is, two adsorption areas 300 are connected to one another through one inlet chamber 110 and one outlet chamber 120. Each apparatus may use a single top bin 310 or the same top bin 310, and each apparatus may be connected to the adsorption zone 300 by providing two feed chutes 320 on the top bin 310.
Further, this active burnt SOx/NOx control system still includes batcher and conveyer, and the batcher setting is in the top of top feed bin 310 for transport active burnt in to top feed bin 310, the conveyer setting is in the below of bottom swift current fill 450, is used for transporting the active burnt of accomplishing the absorption.
It should be noted that the above embodiments can be freely combined as needed. The foregoing is merely a preferred embodiment of the present utility model and it should be noted that modifications and adaptations to those skilled in the art may be made without departing from the principles of the present utility model, which are intended to be comprehended within the scope of the present utility model.
Claims (10)
1. The active coke desulfurization and denitrification device is characterized by comprising a body, wherein the body comprises a first air chamber, a second air chamber and an adsorption zone, and the first air chamber and the second air chamber are respectively arranged at two sides of the adsorption zone and are communicated with the adsorption zone;
The adsorption zone is sequentially provided with a denitration bed and a desulfurization bed from top to bottom, the desulfurization bed comprises a first desulfurization layer and a second desulfurization layer, a material guide pipe is arranged in the denitration bed, the material guide pipe is communicated with the first desulfurization layer, and the denitration bed is communicated with the second desulfurization layer and is used for passing materials;
The first desulfurization layer is communicated with the second desulfurization layer and is used for allowing flue gas to pass through, the first air chamber comprises an air outlet chamber and an air inlet chamber which are arranged at intervals from top to bottom, the air inlet chamber is communicated with the second desulfurization layer, and the air outlet chamber is communicated with the denitration bed;
Wherein, the material is got into in the adsorption zone, a part of material is got into through the denitration bed in the second desulfurization layer is discharged, another part of material is got into through the passage in the first desulfurization layer and is discharged.
2. The activated coke desulfurization and denitrification device according to claim 1, wherein the thickness of the second desulfurization layer is smaller than the thickness of the first desulfurization layer, so that the flow speed of the material in the second desulfurization layer is greater than the speed of the material in the first desulfurization layer.
3. The activated coke desulfurization and denitrification device according to claim 2, further comprising a first discharge hopper and a second discharge hopper, wherein the first discharge hopper is arranged below the first desulfurization layer, and the second discharge hopper is arranged below the second desulfurization layer;
The bottom of the first discharging hopper is provided with a first discharger, and the lower part of the second discharging hopper is provided with a second discharger.
4. The active coke desulfurization and denitrification device according to claim 3, wherein the second air chamber is provided with an ammonia spraying mechanism, and the ammonia spraying mechanism is used for releasing ammonia gas and mixing with the flue gas.
5. The active coke desulfurization and denitrification device according to claim 3, further comprising a top bin, a bottom chute and a feed chute communicated with the denitrification bed, wherein the feed chute is arranged above the denitrification bed, the top bin is arranged at one end of the feed chute far away from the denitrification bed and communicated with the feed chute, and a level gauge is arranged in the top bin;
the bottom chute is arranged below the first discharge hopper and the second discharge hopper, and materials are discharged from the body through the bottom chute.
6. The active coke desulfurization and denitrification device according to claim 5, further comprising an air inlet and an air outlet, wherein the air inlet is arranged on the air inlet chamber and is communicated with the air inlet chamber, and the air outlet is arranged on the air outlet chamber and is communicated with the air outlet chamber.
7. The activated coke desulfurization and denitrification device according to any one of claims 1 to 6, further comprising a first transition pipeline and a second transition pipeline, wherein the first transition pipeline is arranged between the denitrification bed and the first desulfurization layer, and the material guide pipe and the first desulfurization layer are mutually communicated through the first transition pipeline;
The second transition pipeline is arranged between the denitration bed and the second desulfurization layer, and the second desulfurization layer and the denitration bed are mutually communicated through the second transition pipeline.
8. An activated coke desulfurization and denitrification device according to any one of claims 1 to 6, wherein the thickness of the second air chamber is 800mm to 1200mm.
9. The active coke desulfurization and denitrification device according to claim 1, wherein,
The first desulfurization layer is communicated with the second desulfurization layer through a grid plate or a pore plate, and the second desulfurization layer is communicated with the air inlet chamber through the grid plate or the pore plate;
and/or
The first desulfurization layer is communicated with the second air chamber through a grating plate or a pore plate, and the denitration bed is communicated with the second air chamber through the grating plate or the pore plate;
and/or
The air outlet chamber is communicated with the denitration bed through a grating plate or a pore plate.
10. An active coke desulfurization and denitrification system, which is characterized by comprising two active coke desulfurization and denitrification devices according to any one of claims 1-9;
The air inlet chambers of the two active coke desulfurization and denitrification devices are communicated with each other, and the air outlet chambers of the two active coke desulfurization and denitrification devices are communicated with each other.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753677.XU CN220990243U (en) | 2023-10-13 | 2023-10-13 | Active burnt SOx/NOx control device and system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322753677.XU CN220990243U (en) | 2023-10-13 | 2023-10-13 | Active burnt SOx/NOx control device and system |
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| Publication Number | Publication Date |
|---|---|
| CN220990243U true CN220990243U (en) | 2024-05-24 |
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|---|---|---|---|
| CN202322753677.XU Active CN220990243U (en) | 2023-10-13 | 2023-10-13 | Active burnt SOx/NOx control device and system |
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| Country | Link |
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| CN (1) | CN220990243U (en) |
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2023
- 2023-10-13 CN CN202322753677.XU patent/CN220990243U/en active Active
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