CN109126451A - A kind of flue gases of cock oven system for desulfuration and denitration and method - Google Patents
A kind of flue gases of cock oven system for desulfuration and denitration and method Download PDFInfo
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- CN109126451A CN109126451A CN201811288802.1A CN201811288802A CN109126451A CN 109126451 A CN109126451 A CN 109126451A CN 201811288802 A CN201811288802 A CN 201811288802A CN 109126451 A CN109126451 A CN 109126451A
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- gas
- coke oven
- pipeline
- flue
- flue gas
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- 239000003546 flue gas Substances 0.000 title claims abstract description 105
- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000006477 desulfuration reaction Methods 0.000 title claims abstract description 21
- 239000000571 coke Substances 0.000 claims abstract description 98
- 239000007789 gas Substances 0.000 claims abstract description 86
- UGFAIRIUMAVXCW-UHFFFAOYSA-N Carbon monoxide Chemical compound [O+]#[C-] UGFAIRIUMAVXCW-UHFFFAOYSA-N 0.000 claims abstract description 61
- 239000002918 waste heat Substances 0.000 claims abstract description 25
- 238000011084 recovery Methods 0.000 claims abstract description 20
- 239000000779 smoke Substances 0.000 claims abstract description 8
- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- 239000002912 waste gas Substances 0.000 claims abstract description 5
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims description 15
- 230000001105 regulatory effect Effects 0.000 claims description 14
- 239000003054 catalyst Substances 0.000 claims description 13
- 230000023556 desulfurization Effects 0.000 claims description 10
- 229910021529 ammonia Inorganic materials 0.000 claims description 5
- 238000006243 chemical reaction Methods 0.000 claims description 5
- 238000010438 heat treatment Methods 0.000 claims description 5
- 238000005507 spraying Methods 0.000 claims description 5
- 238000010531 catalytic reduction reaction Methods 0.000 claims description 4
- 238000002156 mixing Methods 0.000 claims description 4
- 238000004064 recycling Methods 0.000 claims description 4
- 230000000694 effects Effects 0.000 claims 1
- 239000007921 spray Substances 0.000 claims 1
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 238000000746 purification Methods 0.000 abstract description 3
- 239000003795 chemical substances by application Substances 0.000 description 2
- 235000019504 cigarettes Nutrition 0.000 description 2
- 239000003245 coal Substances 0.000 description 2
- 239000000567 combustion gas Substances 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000001816 cooling Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- VHUUQVKOLVNVRT-UHFFFAOYSA-N Ammonium hydroxide Chemical compound [NH4+].[OH-] VHUUQVKOLVNVRT-UHFFFAOYSA-N 0.000 description 1
- 101100194817 Caenorhabditis elegans rig-6 gene Proteins 0.000 description 1
- 101100447665 Mus musculus Gas2 gene Proteins 0.000 description 1
- NINIDFKCEFEMDL-UHFFFAOYSA-N Sulfur Chemical compound [S] NINIDFKCEFEMDL-UHFFFAOYSA-N 0.000 description 1
- 238000009825 accumulation Methods 0.000 description 1
- 235000011114 ammonium hydroxide Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 238000003763 carbonization Methods 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- 238000004939 coking Methods 0.000 description 1
- 230000003009 desulfurizing effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 239000003517 fume Substances 0.000 description 1
- 238000002309 gasification Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000197 pyrolysis Methods 0.000 description 1
- 238000006722 reduction reaction Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 229910052717 sulfur Inorganic materials 0.000 description 1
- 239000011593 sulfur Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/343—Heat recovery
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8621—Removing nitrogen compounds
- B01D53/8625—Nitrogen oxides
- B01D53/8631—Processes characterised by a specific device
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D53/00—Separation of gases or vapours; Recovering vapours of volatile solvents from gases; Chemical or biological purification of waste gases, e.g. engine exhaust gases, smoke, fumes, flue gases, aerosols
- B01D53/34—Chemical or biological purification of waste gases
- B01D53/74—General processes for purification of waste gases; Apparatus or devices specially adapted therefor
- B01D53/86—Catalytic processes
- B01D53/8696—Controlling the catalytic process
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/20—Reductants
- B01D2251/206—Ammonium compounds
- B01D2251/2062—Ammonia
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2258/00—Sources of waste gases
- B01D2258/02—Other waste gases
- B01D2258/0283—Flue gases
Abstract
The present invention relates to a kind of flue gases of cock oven system for desulfuration and denitration and method, the smoke inlet of medium temperature flue gas SCR desulfuring and denitrifying apparatus connects coke oven main chimney flue by pipeline one, sets exhaust gas fan one on pipeline one；The smoke inlet of the exhanst gas outlet connection waste-heat recovery device of medium temperature flue gas SCR desulfuring and denitrifying apparatus, the exhanst gas outlet of waste-heat recovery device connect coke oven chimney；The pipeline one of one upstream of exhaust gas fan is connected at the raw coke oven gas on coke oven coke oven uprising tube-flue gas heat-exchanger rig waste gas inlet by pipeline two, sets exhaust gas fan two on pipeline two；The pipeline one in one downstream of exhaust gas fan connects raw coke oven gas-flue gas heat-exchanger rig flue gas outlet by pipeline three.The present invention can effectively solve the problem that the problem of operating cost with high investment, high of flue gases of cock oven purification, while also achieve making full use of for coke oven production process waste heat.
Description
Technical field
The present invention relates to gas cleaning and heat recovery technology field more particularly to a kind of flue gases of cock oven desulphurization denitration systems
System and method.
Background technique
During coke oven production, the heating system combustion gas of coke oven obtains enough heats for coal in coke furnace carbonization chamber
The destructive distillation of material, fuel gas buring generate a certain amount of NOx because of high temperature in the process, and the sulfur in combustion gas is oxidized to SO2, NOx and
SO2It can be discharged with the exhaust gas generated that burns by the flue of coke oven, flue gases of cock oven is carried out only if not adopting an effective measure
Change processing, will cause serious pollution to atmospheric environment.Purification to flue gases of cock oven is commonly referred to as to NOx in flue gas
And SO2Removing, i.e., to flue gases of cock oven carry out desulphurization denitration processing.
Currently, efficiency is higher in flue gases of cock oven desulfurizing and denitrifying process, running and comparing is reliable and stable surely belongs to SCR method coke oven
Fume desulfuring and denitrifying system.In order to improve the utilization efficiency of energy in coke oven production, coke oven production efficiency is improved, coke oven is usual
Heat recovery is carried out to the burning waste gas that coke oven heating generates by the way of accumulation of heat, causes the temperature of coke oven flue exhaust gas usual
300 DEG C or less (usually at 220 DEG C~280 DEG C), coke oven flue exhaust gas minimum temperature also has reached 180 DEG C or so, and
This temperature range be for the technique using NOx in SCR method removing stack gases it is very unfavorable, need thus useless to flue
Gas carries out being again heated to 300 DEG C or more the requirements to adapt to Medium temperature SCR method denitration reaction, or using expensive and reaction
Inefficient low temperature SCR denitration catalyst is to adapt to existing flue-gas temperature.If stack gases are heated, it is desirable to provide additional
Heat increases the consumption of the energy.According to low temperature SCR denitration catalyst, then it will increase the construction investment of whole system, simultaneously
Because catalyst consumption also brings along the increase of production run cost, the purification efficiency of NOx in flue gas can be also reduced.Therefore, no matter
Using that above-mentioned mode, it can all increase the environment protection treating cost of manufacturing enterprise.
Summary of the invention
The present invention provides a kind of flue gases of cock oven system for desulfuration and denitration and methods, can effectively solve the problem that flue gases of cock oven is net
The problem of operating cost with high investment, high changed, while also achieving making full use of for coke oven production process waste heat.
In order to achieve the above object, the present invention is implemented with the following technical solutions:
A kind of flue gases of cock oven system for desulfuration and denitration, including medium temperature flue gas SCR desulfuring and denitrifying apparatus, waste-heat recovery device and
Raw coke oven gas-flue gas heat-exchanger rig；The smoke inlet of the medium temperature flue gas SCR desulfuring and denitrifying apparatus connects coke oven by pipeline one
Main chimney flue sets exhaust gas fan one on pipeline one；The exhanst gas outlet of medium temperature flue gas SCR desulfuring and denitrifying apparatus connects waste-heat recovery device
Smoke inlet, the exhanst gas outlet of waste-heat recovery device connects coke oven chimney；The pipeline one of one upstream of exhaust gas fan passes through pipeline
Two are connected at raw coke oven gas-flue gas heat-exchanger rig waste gas inlet on coke oven coke oven uprising tube, set exhaust gas fan on pipeline two
Two；The pipeline one in one downstream of exhaust gas fan connects raw coke oven gas-flue gas heat-exchanger rig flue gas outlet by pipeline three.
Exhaust gas quantity regulating device one, pipeline one and pipeline are set on the pipeline one and the pipeline one in two junction downstream of pipeline
Exhaust gas quantity regulating device two is set on the pipeline two of two junctions upstream.
The medium temperature flue gas SCR desulfuring and denitrifying apparatus is made of denitration unit and desulfurization unit, is wherein set in denitration unit
Middling temperature DeNOx catalyst and ammonia-gas spraying device；Desulfurization unit is dry method or semi-dry desulphurization unit.
The exhaust gas fan one, exhaust gas fan two are all made of variable-frequency motor control.
A kind of flue gases of cock oven desulfurization denitration method, is realized by following procedure:
Effluent gas temperature in coke oven is at 300 DEG C hereinafter, extracting out from coke oven main chimney flue under the action of exhaust gas fan one；
Under the action of exhaust gas fan two, all or part of flue gas is sent to the raw coke oven gas-on coke oven coke oven uprising tube by pipeline two
In flue gas heat-exchanger rig, with 650 DEG C or more of the high temperature raw coke oven gas indirect heat exchange flowed in coke oven coke oven uprising tube, raw coke oven gas is absorbed
Flue gas after heat heating is sent into the pipeline one in one downstream of exhaust gas fan by pipeline three, mixed with the flue gas in pipeline one
It closes, is adjusted by the cooperation of exhaust gas quantity regulating device one and exhaust gas quantity regulating device two, make to enter medium temperature flue gas SCR desulphurization denitration
Flue gas before device reaches reaction temperature required by middling temperature DeNOx catalyst；
The suitable flue gas of temperature enters in medium temperature flue gas SCR desulfuring and denitrifying apparatus after mixing, is catalyzed in middling temperature DeNOx
Under the action of agent, selective catalytic reduction reaction occurs with the ammonia entered from ammonia-gas spraying device, is completed at the same time to SO in flue gas2's
Removing, realizes the desulphurization denitration purified treatment of flue gases of cock oven；
The flue gas feeding waste-heat recovery device for still carrying a large amount of sensible heats is handled by desulphurization denitration, by the heat of flue gas
It is converted into the energy that can directly utilize, realizes the effective recycling and utilization of the waste heat of flue gas；
High altitude discharge is carried out finally by coke oven chimney by waste heat flue gas after the recovery.
Compared with prior art, the beneficial effects of the present invention are:
1) by the way that flue pneumatic transmission to oven top of coke oven and the high temperature raw coke oven gas in coke oven coke oven uprising tube exchange heat, make flue gas
Temperature reach adapt to the denitrating catalyst requirement of Medium temperature SCR method temperature, thus in the item for not needing additionally to feed big energy
Under part, realizes the reduction of the efficient removal and production run cost of flue gases of cock oven NOx, also avoid expensive because using
The raising of construction investment and operation and maintenance cost caused by low-temperature SCR method denitrating catalyst；
2) heat exchange of flue gas and high temperature raw coke oven gas in coke oven coke oven uprising tube, while efficiently using raw coke oven gas waste heat, because of cigarette
Road exhaust gas itself temperature with higher, there is no use water as heat-exchange working medium in other coke oven coke oven uprising tube UTILIZATION OF VESIDUAL HEAT IN techniques
When gasification temperature low (100 DEG C or so) the case where, can guarantee that coke oven coke oven uprising tube inner wall maintains relatively high table in heat exchange
Face temperature greatly reduces the probability that tar-like substance is condensed and deposited in coke oven coke oven uprising tube inner wall in raw coke oven gas, is conducive to coke
The normal operation of producer gas guiding system；
3) raw gas temperature reduces in the coke oven coke oven uprising tube after exchanging heat, and reduces the work symbol of subsequent gas cooling system
It closes, reduces the dosage and waste water production quantity of ammonia water by cooling, improve the efficiency and Environmental Protection Level of entire coking process.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of flue gases of cock oven system for desulfuration and denitration of the present invention.
In figure: 1. coke oven, 2. 3. waste-heat recovery device of medium temperature flue gas SCR desulfuring and denitrifying apparatus, 4. coke oven coke oven uprising tube 5.
Raw coke oven gas -2 8. exhaust gas quantity regulating device of flue gas heat-exchanger rig 6. exhaust gas fan, one 7. exhaust gas fan, one 9. exhausted air quantity tune
2 10. coke oven chimney of regulating device
Specific embodiment
Specific embodiments of the present invention will be further explained with reference to the accompanying drawing:
As shown in Figure 1, a kind of flue gases of cock oven system for desulfuration and denitration of the present invention, including medium temperature flue gas SCR desulfurization are de-
Nitre device 2, waste-heat recovery device 3 and raw coke oven gas-flue gas heat-exchanger rig 5；The medium temperature flue gas SCR desulfuring and denitrifying apparatus 1
Smoke inlet connects coke oven main chimney flue by pipeline one, sets exhaust gas fan 1 on pipeline one；Medium temperature flue gas SCR desulphurization denitration dress
The smoke inlet of 2 exhanst gas outlet connection waste-heat recovery device 3 is set, the exhanst gas outlet of waste-heat recovery device 3 connects coke oven chimney
10；The pipeline one of one 6 upstream of exhaust gas fan is connected at the raw coke oven gas on coke oven coke oven uprising tube 4-flue gas heat exchange by pipeline two
The waste gas inlet of device 5 sets exhaust gas fan 27 on pipeline two；The pipeline one in one 6 downstream of exhaust gas fan is connected by pipeline three
Raw coke oven gas-flue gas heat-exchanger rig 5 flue gas outlet.
Exhaust gas quantity regulating device 1, pipeline one and pipe are set on the pipeline one and the pipeline one in two junction downstream of pipeline
Exhaust gas quantity regulating device 29 is set on the pipeline two of two junction upstream of road.
The medium temperature flue gas SCR desulfuring and denitrifying apparatus 2 is made of denitration unit and desulfurization unit, is wherein set in denitration unit
Middling temperature DeNOx catalyst and ammonia-gas spraying device；Desulfurization unit is dry method or semi-dry desulphurization unit.
The exhaust gas fan 1, exhaust gas fan 27 are all made of variable-frequency motor control.
A kind of flue gases of cock oven desulfurization denitration method, is realized by following procedure:
Effluent gas temperature in coke oven 1 is at 300 DEG C hereinafter, taking out from coke oven main chimney flue under the action of exhaust gas fan 1
Out；Under the action of exhaust gas fan 27, all or part of flue gas is sent to the famine on coke oven coke oven uprising tube 4 by pipeline two
In coal gas-flue gas heat-exchanger rig 5, with 650 DEG C or more of the high temperature raw coke oven gas indirect heat exchange flowed in coke oven coke oven uprising tube 4, inhale
Flue gas after receiving the heating of raw coke oven gas heat is sent into the pipeline one in one 6 downstream of exhaust gas fan by pipeline three, in pipeline one
Flue gas mixing, adjusted by the cooperation of exhaust gas quantity regulating device 1 and exhaust gas quantity regulating device 29, make to enter medium temperature cigarette
Flue gas before gas SCR desulfuring and denitrifying apparatus 2 reaches reaction temperature required by middling temperature DeNOx catalyst；
The suitable flue gas of temperature enters in medium temperature flue gas SCR desulfuring and denitrifying apparatus 2 after mixing, urges in middling temperature DeNOx
Under the action of agent, selective catalytic reduction reaction occurs with the ammonia entered from ammonia-gas spraying device, is completed at the same time to SO in flue gas2
Removing, realize the desulphurization denitration purified treatment of flue gases of cock oven；
The flue gas feeding waste-heat recovery device 3 for still carrying a large amount of sensible heats is handled by desulphurization denitration, by the heat of flue gas
Amount is converted into the energy that can directly utilize, and realizes the effective recycling and utilization of the waste heat of flue gas；
High altitude discharge is carried out finally by coke oven chimney 10 by waste heat flue gas after the recovery.
Medium temperature flue gas SCR desulfuring and denitrifying apparatus 2 of the present invention, using middling temperature DeNOx catalyst (operating temperature
300 DEG C or more), using ammonia in flue gases of cock oven NOx carry out selective catalytic reduction, realize in flue gas NOx it is net
Change, while using dry method or semi-dry desulphurization unit to the SO in flue gas2It is removed.Specifically can be used as
A kind of similar device of 201520711004.0 Chinese patents " flue gases of cock oven desulphurization denitration combined purifying device ".
The raw coke oven gas-flue gas heat-exchanger rig 5 is risen by the way of indirect heat exchange using flue aspiration coke oven
The heat that raw coke oven gas carries in pipe 4, the purpose realized raw coke oven gas heat in recycling coke oven coke oven uprising tube 4, improve effluent gas temperature.
The waste-heat recovery device 3, will be in flue gas using heat transferring medium (such as water) by the way of indirect heat exchange
Waste heat is converted to the effective energy (such as steam) that can directly utilize, and can be used for generating electricity, as driving power source or directly use.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (5)
1. a kind of flue gases of cock oven system for desulfuration and denitration, which is characterized in that including medium temperature flue gas SCR desulfuring and denitrifying apparatus, waste heat
Recyclable device and raw coke oven gas-flue gas heat-exchanger rig；The smoke inlet of the medium temperature flue gas SCR desulfuring and denitrifying apparatus passes through pipeline
One connects coke oven main chimney flue, sets exhaust gas fan one on pipeline one；More than the exhanst gas outlet connection of medium temperature flue gas SCR desulfuring and denitrifying apparatus
The exhanst gas outlet of the smoke inlet of heat recovery apparatus, waste-heat recovery device connects coke oven chimney；The pipeline of one upstream of exhaust gas fan
One is connected at the raw coke oven gas on coke oven coke oven uprising tube-flue gas heat-exchanger rig waste gas inlet by pipeline two, on pipeline two
If exhaust gas fan two；The pipeline one in one downstream of exhaust gas fan connects raw coke oven gas-flue gas heat-exchanger rig flue by pipeline three
Gas outlet.
2. a kind of flue gases of cock oven system for desulfuration and denitration according to claim 1, which is characterized in that the pipeline one and pipe
Exhaust gas quantity regulating device one is set on the pipeline one in two junction downstream of road, on the pipeline two of pipeline one and two junction upstream of pipeline
If exhaust gas quantity regulating device two.
3. a kind of flue gases of cock oven system for desulfuration and denitration according to claim 1, which is characterized in that the medium temperature flue gas
SCR desulfuring and denitrifying apparatus is made of denitration unit and desulfurization unit, wherein sets middling temperature DeNOx catalyst and spray in denitration unit
Ammonia device；Desulfurization unit is dry method or semi-dry desulphurization unit.
4. a kind of flue gases of cock oven system for desulfuration and denitration according to claim 1, which is characterized in that the exhaust gas fan
One, exhaust gas fan two is all made of variable-frequency motor control.
5. a kind of flue gases of cock oven desulfurization denitration method, which is characterized in that realized by following procedure:
Effluent gas temperature in coke oven is at 300 DEG C hereinafter, extracting out from coke oven main chimney flue under the action of exhaust gas fan one；Useless
Under the action of gas blower two, all or part of flue gas is sent to raw coke oven gas-flue on coke oven coke oven uprising tube by pipeline two
In gas heat-exchanger rig, with 650 DEG C or more of the high temperature raw coke oven gas indirect heat exchange flowed in coke oven coke oven uprising tube, raw coke oven gas heat is absorbed
Flue gas after heating is sent into the pipeline one in one downstream of exhaust gas fan by pipeline three, is mixed with the flue gas in pipeline one,
It is adjusted by the cooperation of exhaust gas quantity regulating device one and exhaust gas quantity regulating device two, makes to enter medium temperature flue gas SCR desulphurization denitration dress
Flue gas before setting reaches reaction temperature required by middling temperature DeNOx catalyst；
The suitable flue gas of temperature enters in medium temperature flue gas SCR desulfuring and denitrifying apparatus after mixing, in middling temperature DeNOx catalyst
Under effect, selective catalytic reduction reaction occurs with the ammonia entered from ammonia-gas spraying device, is completed at the same time to SO in flue gas2It is de-
It removes, realizes the desulphurization denitration purified treatment of flue gases of cock oven；
The flue gas feeding waste-heat recovery device for still carrying a large amount of sensible heats is handled by desulphurization denitration, and the heat of flue gas is converted
At the energy that can directly utilize, the effective recycling and utilization of the waste heat of flue gas are realized；
High altitude discharge is carried out finally by coke oven chimney by waste heat flue gas after the recovery.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288802.1A CN109126451A (en) | 2018-10-31 | 2018-10-31 | A kind of flue gases of cock oven system for desulfuration and denitration and method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811288802.1A CN109126451A (en) | 2018-10-31 | 2018-10-31 | A kind of flue gases of cock oven system for desulfuration and denitration and method |
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| CN109126451A true CN109126451A (en) | 2019-01-04 |
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| CN203095983U (en) * | 2013-03-04 | 2013-07-31 | 中冶赛迪工程技术股份有限公司 | Humidifying device for coking coal |
| CN104923046A (en) * | 2015-05-20 | 2015-09-23 | 江苏新世纪江南环保股份有限公司 | Coke oven flue gas desulfurization, denitration and waste heat recovery integrated method |
| CN205948680U (en) * | 2016-08-26 | 2017-02-15 | 天津诺能达能源科技有限公司 | Flue gas denitration processing system |
| CN107014217A (en) * | 2017-05-18 | 2017-08-04 | 中冶华天南京工程技术有限公司 | Coke-oven plant's coke-stove gas is utilized and smoke processing system and its processing method |
| CN207351232U (en) * | 2017-08-02 | 2018-05-11 | 湖南中冶长天节能环保技术有限公司 | A kind of coking flue gas purification system |
| CN207596786U (en) * | 2017-08-16 | 2018-07-10 | 南京华电节能环保设备有限公司 | The equipment that a kind of tedge waste heat recovery and coking smoke comprehensive are administered |
| CN107830739A (en) * | 2017-12-01 | 2018-03-23 | 中冶京诚工程技术有限公司 | Sinter flue gas whole process cleaning system and its method |
| CN209302535U (en) * | 2018-10-31 | 2019-08-27 | 中冶焦耐(大连)工程技术有限公司 | A kind of flue gases of cock oven system for desulfuration and denitration |
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Application publication date: 20190104 |