CN219848962U - Cement kiln flue gas high temperature high dust SCR denitration reactor - Google Patents
Cement kiln flue gas high temperature high dust SCR denitration reactor Download PDFInfo
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- CN219848962U CN219848962U CN202222731986.2U CN202222731986U CN219848962U CN 219848962 U CN219848962 U CN 219848962U CN 202222731986 U CN202222731986 U CN 202222731986U CN 219848962 U CN219848962 U CN 219848962U
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- denitration reactor
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- 239000000428 dust Substances 0.000 title claims abstract description 35
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 title claims abstract description 32
- 239000003546 flue gas Substances 0.000 title claims abstract description 32
- 239000004568 cement Substances 0.000 title claims abstract description 27
- 239000003054 catalyst Substances 0.000 claims abstract description 65
- 239000004071 soot Substances 0.000 claims abstract description 21
- 238000003466 welding Methods 0.000 claims description 13
- 230000001105 regulatory effect Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 11
- 229910000831 Steel Inorganic materials 0.000 description 9
- 239000010959 steel Substances 0.000 description 9
- 239000000463 material Substances 0.000 description 8
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 description 6
- 239000012774 insulation material Substances 0.000 description 6
- 238000000034 method Methods 0.000 description 5
- 239000003973 paint Substances 0.000 description 5
- 239000002245 particle Substances 0.000 description 4
- 239000000779 smoke Substances 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 229910001868 water Inorganic materials 0.000 description 4
- 229910001339 C alloy Inorganic materials 0.000 description 3
- 239000003638 chemical reducing agent Substances 0.000 description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000002035 prolonged effect Effects 0.000 description 3
- 230000001681 protective effect Effects 0.000 description 3
- 229910001220 stainless steel Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 2
- 229910021529 ammonia Inorganic materials 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000004140 cleaning Methods 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000004321 preservation Methods 0.000 description 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 1
- 239000004202 carbamide Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000003795 desorption Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000011010 flushing procedure Methods 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 1
- 230000008676 import Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229910052757 nitrogen Inorganic materials 0.000 description 1
- 239000001301 oxygen Substances 0.000 description 1
- 229910052760 oxygen Inorganic materials 0.000 description 1
- 238000000746 purification Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000011150 reinforced concrete Substances 0.000 description 1
- 238000009991 scouring Methods 0.000 description 1
Landscapes
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
Abstract
The utility model relates to a cement kiln flue gas high-temperature high-dust SCR denitration reactor which comprises a denitration reactor body, wherein an air inlet pipe is connected to the upper side of the denitration reactor body, an exhaust pipe is connected to the lower side of the denitration reactor body, a first platform for uniformly dividing the denitration reactor body into multiple layers from top to bottom is welded on the outer side of the denitration reactor body, a grid-shaped supporting beam is arranged above each layer of first platform in the denitration reactor body, a catalyst module is placed on the upper surface of each layer of supporting beam to form a sub-cabin, and a soot blower and a cabin door are respectively arranged above each layer of catalyst module on the front side of the denitration reactor body. The whole device has simple structure and good use effect; prevent that high dust from causing the jam to the catalyst, guaranteed efficient denitration efficiency, guaranteed the demand of high dust denitration in the cement trade.
Description
Technical Field
The utility model relates to the technical field of cement kiln SCR denitration, in particular to a cement kiln flue gas high-temperature high-dust SCR denitration reactor.
Background
The traditional catalyst-free denitration process in the cement industry refers to a reduction reaction under the condition that no catalyst exists, a reducing agent is added into a high-temperature reactor at 850-1100 ℃, nitrogen oxides in smoke are reduced into nitrogen and water, ammonia, urea or hydrogen ammonia acid are generally sprayed into a furnace to serve as the reducing agent, and the reducing agent only reacts with NOx in the smoke and does not react with oxygen, so that the technology does not use a catalyst and is also called a selective non-catalytic reduction method (SNCR). However, with the advent of stricter emission standards in the industry, the SNCR denitration process method without a catalyst cannot meet the emission standards in the cement industry, so that it is imperative to provide an SCR denitration reactor with a catalyst.
Disclosure of Invention
In order to solve the problems in the background technology, the utility model provides the cement kiln flue gas high-temperature high-dust SCR denitration reactor, and the whole device has the advantages of simple structure and good use effect; prevent that high dust from causing the jam to the catalyst, guaranteed efficient denitration efficiency, guaranteed the demand of high dust denitration in the cement trade.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the utility model provides a cement kiln flue gas high temperature high dust SCR denitration reactor, includes the denitration reactor body, and denitration reactor body top is connected with the intake pipe, the below is connected with the blast pipe, denitration reactor body outside welding has evenly cut apart denitration reactor body top-down into the first platform of multilayer, and this internal support beam that is located every layer of first platform top of denitration reactor is equipped with grid form, and every layer of support beam upper surface has placed the catalyst module and has formed the subdivision, and denitration reactor body openly is located every layer of catalyst module top and is provided with soot blower and hatch door respectively.
Further, each cabin of the sub-cabin is separately connected with the air inlet pipe, an inlet regulating valve is arranged between each cabin and the air inlet pipe, each cabin of the sub-cabin is separately connected with the air outlet pipe, an outlet regulating valve is arranged between each cabin and the air outlet pipe, and a rectifying grid is arranged at the air inlet pipe above the denitration reactor body.
Still further, denitration reactor body bottom fixedly connected with places subaerial support.
Still further, the air inlet pipe is a round table pipe with small upper part, large lower part and uniform wall thickness; the exhaust pipe is an inverted circular truncated cone-shaped pipe with large upper part and small lower part and uniform wall thickness.
Still further, the catalyst module is in a honeycomb shape, and the through holes of the catalyst module are arranged in a penetrating manner along the flowing direction of the flue gas; the soot blower is a rake soot blower, and the center of each nozzle of the rake soot blower is overlapped with the center of the through hole of the catalyst module.
Still further, the blast pipe bottom is through welded fixedly connected with flue, the lower extreme fixedly connected with booster fan of flue, booster fan is arranged in subaerial foundation.
Still further, the upper surface of each layer of first platform is equipped with the first railing of with denitration reactor body surface welding.
Still further, denitration reactor body right side is located every layer of first platform parallel side welding and has the second platform, and every layer of second platform surface is parallel and level with first platform surface, is connected with the stair between the upper and lower adjacent second platform and between second platform and the ground, and every layer of second platform upper surface is equipped with the second railing, and is located the second railing and the welding of first railing of first platform parallel position.
The utility model has the technical effects that: the high-temperature high-dust SCR denitration reactor for the cement kiln flue gas has the advantages of simple structure and good use effect; prevent that high dust from causing the jam to the catalyst, guaranteed efficient denitration efficiency, guaranteed the demand of high dust denitration in the cement trade.
Drawings
FIG. 1 is a schematic diagram of an embodiment of the present utility model;
FIG. 2 is an enlarged view of a portion A of FIG. 1;
reference numerals: 1-air inlet pipe, 2-denitration reactor body, 3-first platform, 4-supporting beam, 5-catalyst (module), 6-first railing, 7-support, 8-blast pipe, 9-flue, 10-booster fan, 11-basis (seat), 12-stair, 13-second platform, 14-second railing, 15-soot blower, 16-hatch door.
Detailed Description
The utility model discloses a cement kiln flue gas high-temperature high-dust SCR denitration reactor, which comprises a denitration reactor body 2, wherein an air inlet pipe 1 is connected above the denitration reactor body 2, an air outlet pipe 8 is connected below the denitration reactor body 2, a first platform 3 for uniformly dividing the denitration reactor body 2 (from top to bottom) into a plurality of layers is welded on the outer side of the denitration reactor body 2, and the denitration reactor body 2 is designed by adopting a cabin division mode, so that on-line maintenance and replacement of a catalyst (module) 5 are facilitated, a denitration system does not need to be stopped, and the economic cost of a customer is saved; the proper number of the catalyst (module) 5 holes can be adjusted, so that the high dust denitration requirement in the cement industry is ensured, and meanwhile, the arrangement of the catalyst layers formed by the multiple layers of catalysts (modules) 5 ensures the high-efficiency denitration efficiency; the cabin door 16 can timely open the cabin for faults, and the whole device has the advantages of simple structure and good use effect; the soot blower 15 is arranged to clean the surface of the catalyst (module) 5 at regular time, so that the catalyst is prevented from being blocked by high dust.
Specifically, a cement kiln flue gas high temperature high dust SCR denitration reactor, including denitration reactor body 2, denitration reactor body 2 top is connected with intake pipe 1, denitration reactor body 2 below is connected with blast pipe 8, denitration reactor body 2 outside welding has evenly cut apart denitration reactor body 2 (top-down) into the first platform 3 of a plurality of layers, is equipped with (form grid form) supporting beam 4 in the denitration reactor body 2 (be located every layer of first platform 3 top), supporting beam 4 quantity is unanimous with first platform 3 quantity, and the one-to-one (arranging), and catalyst (module) 5 have been placed to every layer of supporting beam 4 upper surface, denitration reactor body 2 bottom fixedly connected with (place subaerial) support 7, denitration reactor body 2 openly is equipped with soot blower 15 and hatch door 16 respectively in every layer of catalyst (module) 5 top.
The denitration reactor body 2 adopts the design of the subdivision, be equipped with the import governing valve (every cabin is met alone with intake pipe 1) between every cabin and the intake pipe 1 of denitration reactor body 2, and be equipped with the export governing valve (every cabin meets alone with blast pipe 8) between every cabin and the blast pipe 8, denitration reactor body 2 top is equipped with the rectification grid (being located intake pipe 1 department) that plays the effect of flow equalizing.
The denitration reactor body 2 is made of high-temperature-resistant low-carbon alloy steel or stainless steel, the denitration reactor body 2 is formed by mutually lap-welding steel plates with the same thickness, the outer surface of each steel plate is coated with double-layer antirust paint, and the thickness of each paint film is not less than 50 mu m.
The air inlet pipe 1, the denitration reactor body 2 and the exhaust pipe 8 are provided with heat insulation materials, the heat insulation materials are provided with protective materials which play a role in preventing water from entering and installing and fixing the heat insulation materials, and the protective materials are fixedly connected with the outer surfaces of the air inlet pipe 1, the denitration reactor body 2 and the exhaust pipe 8 and are sealed all around.
The shape of the air inlet pipe 1 is a round table shape (pipe) with a small upper part and a large lower part and a uniform wall thickness, the flow rate of flue gas is reduced, the scouring of the catalyst (module) 5 is reduced, the service life of the catalyst (module) 5 is prolonged, the shape of the air outlet pipe 8 is an inverted round table shape (pipe) with a large upper part and a uniform wall thickness, the flow rate of flue gas is increased, and the dust-containing particles in the flue gas are prevented from being accumulated and stopped at the air outlet pipe to cause blockage.
The catalyst (module) 5 adopts a modularized design, the shape of the catalyst (module) 5 is honeycomb, the number of the single catalyst (module) 5 holes is 13 multiplied by 13 holes, and the catalyst (module) 5 holes are prevented from being blocked by dust-containing particles, and the through hole smoke flow direction of the catalyst (module) 5 holes is penetrated.
The soot blower 15 is a rake soot blower, which is connected with a compressed air mechanism through a pipeline, and mainly comprises a rake pipe and nozzles, and the center of each nozzle coincides with (is arranged in) the center of a through hole of the catalyst (module) 5.
The bottom end of the exhaust pipe 8 is fixedly connected with a flue 9 through welding, the terminal end (namely the lower end) of the flue 9 is fixedly connected with a booster fan 10, and the booster fan 10 (with the bottom surface in contact) is arranged on a foundation seat 11 on the ground (supported by the foundation seat 11).
The upper surface of each layer of first platform 3 is provided with a first fence 6 welded with the outer surface of the denitration reactor body 2, so that the denitration reactor has a protective effect.
The right side (being located the parallel side top-down of every layer of first platform 3) of denitration reactor body 2 has welded a plurality of layers of second platform 13, every layer of second platform 13 surface and first platform 3 surface parallel and level (upper and lower surface is all parallel and level), be connected with stair 12 between upper and lower adjacent second platform 13 and between second platform 13 and the ground, first platform 3, second platform 13 and stair 12 all adopt steel grating, play the effect that reduces the weight and have the improvement intensity simultaneously, every layer of second platform 13 upper surface is equipped with second railing 14, and be located the parallel second railing 14 of position of first platform 3 and first railing 6 welding.
According to the utility model, the denitration reactor body 2 is divided into cabins, so that the catalyst (module) 5 is conveniently overhauled and replaced on line, a denitration system does not need to be stopped, and the economic cost of a customer is saved; the proper number of the catalyst (module) 5 holes is regulated, so that the high dust denitration requirement in the cement industry is ensured, and meanwhile, the arrangement of the catalyst layers formed by the multiple layers of catalysts (modules) 5 ensures the high-efficiency denitration efficiency; the arranged cabin door 16 can timely process faults, and the whole device has the advantages of simple structure and good use effect; the soot blower 15 is arranged to clean the surface of the catalyst (module) 5 at regular time, so that the catalyst (module) 5 is prevented from being blocked by high dust.
In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Specific implementations of the utility model are described in detail below in connection with specific embodiments.
In one embodiment, a cement kiln flue gas high temperature high dust SCR denitration reactor, see fig. 1-2, including denitration reactor body 2, denitration reactor body 2 top is connected with intake pipe 1, denitration reactor body 2 below is connected with blast pipe 8, denitration reactor body 2 outside welding has evenly cut apart denitration reactor body 2 top-down into the first platform 3 of a plurality of layers, is equipped with grid form supporting beam 4 in the denitration reactor body 2 (be located the top of every layer of first platform 3), supporting beam 4 quantity is unanimous with first platform 3 quantity, and the one-to-one (arranging), and catalyst (module) 5 has been placed to every layer of supporting beam 4 upper surface, denitration reactor body 2 bottom fixedly connected with places support 7 subaerial, denitration reactor body 2 openly is located each layer of catalyst (module) 5 top and is provided with soot blower 15 and hatch door 16 respectively.
In the embodiment, the flue gas and ammonia gas enter the denitration reactor body 2 through the air inlet pipe 1, and NO in the flue gas is reacted with the catalyst (module) 5 X Carry out the desorption, realize the purpose of denitration, the purification flue gas after the denitration is discharged through blast pipe 8, through setting up multilayer catalyst (module) 5, guaranteed efficient denitration efficiency, reduced simultaneously denitration reactor body 2's occupation areaThe first platform 3 is arranged, so that an operator can conveniently work and maintain the catalyst (module) 5 in later period, the support beam 4 is arranged to support the catalyst, and the bracket 7 plays a role in fixedly supporting the whole SCR denitration reactor; a soot blower 15 is arranged to clean the surface of the catalyst (module) 5 at regular time, so that the catalyst is prevented from being blocked by high dust; the cabin door 16 is arranged, so that faults can be timely processed.
Further, referring to fig. 1, the denitration reactor body 2 adopts a nacelle design, an inlet regulating valve is arranged between each cabin of the denitration reactor body 2 and the air inlet pipe 1, an outlet regulating valve is arranged between each cabin and the air outlet pipe 8, and a rectifying grid with a flow equalizing function is arranged at the uppermost part of the denitration reactor body 2.
In this embodiment, the denitration reactor body 2 adopts a nacelle design, and is provided with inlet and outlet regulating valves, so that the catalyst (module) 5 can be overhauled and replaced on line, the denitration system does not need to be stopped, and the economic cost of a customer is saved. The rectification grating is arranged to improve the flow equalization effect on the smoke and the ammonia gas, so that the denitration efficiency is improved.
Further, referring to fig. 1, the material of the denitration reactor body 2 is high-temperature resistant low-carbon alloy steel or stainless steel, the denitration reactor body 2 is formed by mutually lap welding steel plates with the same thickness, the outer surface of each steel plate is coated with double-layer antirust paint, and the thickness of each paint film is not less than 50 μm.
Still further, referring to fig. 1, the outside of the air inlet pipe 1, the denitration reactor body 2 and the exhaust pipe 8 is provided with a heat insulation material, the outside of the heat insulation material is provided with a protection material which plays a role in preventing water from entering and installing and fixing the heat insulation material, and the protection material is fixedly connected with the outer surfaces of the air inlet pipe 1, the denitration reactor body 2 and the exhaust pipe 8, and is sealed all around.
Still further, referring to fig. 1, the shape of the air inlet pipe 1 is a truncated cone (pipe) with a small upper part, a large lower part and a uniform wall thickness, which plays a role in reducing the flow rate of flue gas, reducing the flushing of the catalyst (module) 5 and prolonging the service life of the catalyst, and the shape of the air outlet pipe 8 is an inverted truncated cone (pipe) with a large upper part, a small lower part and a uniform wall thickness, which plays a role in increasing the flow rate of flue gas, and preventing dust-containing particles in the flue gas from accumulating and staying in the air outlet pipe 8 to cause blockage.
In this embodiment, the denitration reactor body 2 is made of high-temperature-resistant low-carbon alloy steel or stainless steel, so that the denitration reactor body 2 is ensured to have higher strength, higher corrosion resistance, and rust-proof paint is arranged, so that the corrosion resistance of equipment is improved. The denitration reactor body 2 is provided with the heat preservation material, the denitration reactor body 2 is insulated, the temperature drop of the flue gas is guaranteed, the risk of scalding to operators is prevented, the denitration reactor body 2 is provided with the protection material to protect the heat preservation material, and water inflow inside the denitration reactor body 2 is prevented.
Further, referring to fig. 1 to 2, the catalyst (module) 5 is in a modularized design, the shape of the catalyst (module) 5 is honeycomb, the number of holes of the single catalyst (module) 5 is 13×13, so as to prevent dust-containing particles from blocking gaps of the catalyst (module) 5, and through holes of the catalyst (module) 5 penetrate along the flow direction of flue gas.
Still further, referring to fig. 1, the sootblowers 15 are rake sootblowers, which are connected to a compressed air system by pipes, and are mainly composed of rake pipes and nozzles, and the center of each nozzle coincides with (is arranged in) the center of a (through) hole of the catalyst (module) 5.
In the embodiment, the proper number of the holes of the catalyst (module) 5 is adjusted, so that the requirement of high dust denitration in the cement industry is ensured, the catalyst (module) 5 is prevented from being blocked, and the service life of the catalyst (module) 5 is prolonged; the soot blower 15 is arranged, the surface of the catalyst (module) 5 is subjected to soot cleaning at regular time, high dust is prevented from blocking the catalyst, the structure of the soot blower 15 is optimized, the better soot cleaning effect is achieved, the service life and the replacement period of the catalyst are prolonged, the denitration efficiency is improved, and the replacement cost is saved.
Further, referring to fig. 1, the bottom end of the exhaust pipe 8 is fixedly connected with a flue 9 through welding, a booster fan 10 is fixedly connected with a terminal end (lower end) of the flue 9, and the booster fan 10 (bottom surface contact) is arranged on a foundation seat 11 on the ground.
In this embodiment, after purifying, the flue gas flows out from the blast pipe 8 and enters the flue 9, and is discharged by entering the chimney under the action of the booster fan 10, and the foundation base 11 is arranged to support the booster fan 10, so that the booster fan 10 is prevented from being overweight and inclined, and the foundation base 11 adopts reinforced concrete design.
Further, referring to fig. 1, the upper surface of each layer of the first platform 3 is provided with a first fence 6 welded with the outer surface of the denitration reactor body 2, so as to play a role in protection.
Still further, referring to fig. 1, the right side of the denitration reactor body 2 is located at the parallel side (top-down) of each layer of the first platform 3, and (a plurality of layers of) second platforms 13 are welded on the right side (top-down) of each layer of the first platform, the surfaces of each layer of the second platforms 13 are flush with the surfaces of the first platform 3 (the upper surfaces and the lower surfaces are flush), stairs 12 are connected between the upper and lower adjacent second platforms 13 and between the second platforms 13 and the ground, the first platform 3, the second platforms 13 and the stairs 12 are all steel grids, so that the effect of reducing weight and having stronger strength is achieved, and the upper surface of each layer of the second platforms 13 is provided with a second railing 14. And the second rails 14 positioned in parallel with the first platform 3 are welded to the first rail 6, i.e. each layer of the second rails 14 is level with the first rail 6.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (8)
1. The utility model provides a cement kiln flue gas high temperature high dust SCR denitration reactor, includes denitration reactor body (2), and denitration reactor body (2) top is connected with intake pipe (1), below are connected with blast pipe (8), denitration reactor body (2) outside welding has evenly cuts apart denitration reactor body (2) top-down into multilayer first platform (3), its characterized in that: a grid-shaped supporting beam (4) is arranged above each layer of first platform (3) in the denitration reactor body (2), a catalyst module (5) is placed on the upper surface of each layer of supporting beam (4) to form a sub-cabin, and a soot blower (15) and a cabin door (16) are respectively arranged above each layer of catalyst module (5) on the front surface of the denitration reactor body (2).
2. The cement kiln flue gas high temperature and high dust SCR denitration reactor according to claim 1, wherein: each cabin of the sub-cabin is singly connected with the air inlet pipe (1), an inlet regulating valve is arranged between each cabin and the air inlet pipe (1), each cabin of the sub-cabin is singly connected with the exhaust pipe (8), an outlet regulating valve is arranged between each cabin and the exhaust pipe (8), and a rectifying grid is arranged at the air inlet pipe (1) above the denitration reactor body (2).
3. A cement kiln flue gas high temperature high dust SCR denitration reactor as defined in claim 2, wherein: the bottom of the denitration reactor body (2) is fixedly connected with a bracket (7) placed on the ground.
4. A cement kiln flue gas high temperature and high dust SCR denitration reactor according to claim 1 or 2 or 3, wherein: the air inlet pipe (1) is a round table-shaped pipe with a small upper part, a large lower part and a uniform wall thickness; the exhaust pipe (8) is an inverted circular truncated cone-shaped pipe with large upper part, small lower part and uniform wall thickness.
5. A cement kiln flue gas high temperature and high dust SCR denitration reactor according to claim 1 or 2 or 3, wherein: the shape of the catalyst module (5) is honeycomb, and through holes of the catalyst module (5) are arranged in a penetrating manner along the flowing direction of the flue gas; the soot blower (15) is a rake soot blower, and the center of each nozzle of the rake soot blower is overlapped with the center of the through hole of the catalyst module (5).
6. A cement kiln flue gas high temperature and high dust SCR denitration reactor according to claim 1 or 2 or 3, wherein: the bottom end of the exhaust pipe (8) is fixedly connected with a flue (9) through welding, the lower end of the flue (9) is fixedly connected with a booster fan (10), and the booster fan (10) is arranged on a foundation base (11) on the ground.
7. A cement kiln flue gas high temperature and high dust SCR denitration reactor according to claim 1 or 2 or 3, wherein: the upper surface of each layer of first platform (3) is provided with a first railing (6) welded with the outer surface of the denitration reactor body (2).
8. The cement kiln flue gas high temperature and high dust SCR denitration reactor as defined in claim 7, wherein: the right side of the denitration reactor body (2) is provided with second platforms (13) in a welded mode on the parallel side of each layer of first platform (3), the surfaces of each layer of second platforms (13) are flush with the surfaces of the first platforms (3), stairs (12) are connected between the upper and lower adjacent second platforms (13) and between the second platforms (13) and the ground, second railing (14) are arranged on the upper surface of each layer of second platforms (13), and the second railing (14) in the parallel position of the first platform (3) is welded with the first railing (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731986.2U CN219848962U (en) | 2022-10-16 | 2022-10-16 | Cement kiln flue gas high temperature high dust SCR denitration reactor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222731986.2U CN219848962U (en) | 2022-10-16 | 2022-10-16 | Cement kiln flue gas high temperature high dust SCR denitration reactor |
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| Publication Number | Publication Date |
|---|---|
| CN219848962U true CN219848962U (en) | 2023-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222731986.2U Active CN219848962U (en) | 2022-10-16 | 2022-10-16 | Cement kiln flue gas high temperature high dust SCR denitration reactor |
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| CN (1) | CN219848962U (en) |
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