CN110026064A - The feedway and method of a kind of coke oven denitration in the stove also Primordial Qi - Google Patents
The feedway and method of a kind of coke oven denitration in the stove also Primordial Qi Download PDFInfo
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- CN110026064A CN110026064A CN201910231646.3A CN201910231646A CN110026064A CN 110026064 A CN110026064 A CN 110026064A CN 201910231646 A CN201910231646 A CN 201910231646A CN 110026064 A CN110026064 A CN 110026064A
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- primordial
- coke oven
- stove
- denitration
- gas
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- 239000000571 coke Substances 0.000 title claims abstract description 160
- 238000000034 method Methods 0.000 title claims abstract description 20
- QGZKDVFQNNGYKY-UHFFFAOYSA-N Ammonia Chemical compound N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000007789 gas Substances 0.000 claims abstract description 89
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims abstract description 81
- 229910021529 ammonia Inorganic materials 0.000 claims abstract description 50
- 229910001873 dinitrogen Inorganic materials 0.000 claims abstract description 15
- 230000009467 reduction Effects 0.000 claims abstract description 8
- 229910052757 nitrogen Inorganic materials 0.000 claims description 35
- 230000001105 regulatory effect Effects 0.000 claims description 23
- 230000008676 import Effects 0.000 claims description 9
- 238000002156 mixing Methods 0.000 claims description 7
- 238000005520 cutting process Methods 0.000 claims description 4
- 239000008246 gaseous mixture Substances 0.000 claims description 3
- QJGQUHMNIGDVPM-UHFFFAOYSA-N nitrogen group Chemical group [N] QJGQUHMNIGDVPM-UHFFFAOYSA-N 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 abstract description 15
- 230000000694 effects Effects 0.000 abstract description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 239000003245 coal Substances 0.000 abstract description 3
- 239000000126 substance Substances 0.000 abstract description 3
- MWUXSHHQAYIFBG-UHFFFAOYSA-N nitrogen oxide Inorganic materials O=[N] MWUXSHHQAYIFBG-UHFFFAOYSA-N 0.000 description 8
- 238000006722 reduction reaction Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 2
- 239000000470 constituent Substances 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000002912 waste gas Substances 0.000 description 2
- 239000011449 brick Substances 0.000 description 1
- 239000012159 carrier gas Substances 0.000 description 1
- 238000010531 catalytic reduction reaction Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000004615 ingredient Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- DOTMOQHOJINYBL-UHFFFAOYSA-N molecular nitrogen;molecular oxygen Chemical compound N#N.O=O DOTMOQHOJINYBL-UHFFFAOYSA-N 0.000 description 1
- 238000002360 preparation method Methods 0.000 description 1
- 238000000746 purification Methods 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
- B01D53/46—Removing components of defined structure
- B01D53/54—Nitrogen compounds
- B01D53/56—Nitrogen oxides
-
- 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
- B01D53/76—Gas phase processes, e.g. by using aerosols
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D1/00—Pipe-line systems
- F17D1/02—Pipe-line systems for gases or vapours
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F17—STORING OR DISTRIBUTING GASES OR LIQUIDS
- F17D—PIPE-LINE SYSTEMS; PIPE-LINES
- F17D3/00—Arrangements for supervising or controlling working operations
- F17D3/01—Arrangements for supervising or controlling working operations for controlling, signalling, or supervising the conveyance of a product
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Dispersion Chemistry (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Treating Waste Gases (AREA)
- Coke Industry (AREA)
Abstract
The embodiment of the invention provides the feedway and method of a kind of coke oven denitration in the stove also Primordial Qi, described device includes coke oven denitration in the stove also Primordial Qi main pipeline, airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line.On the basis of coal chemical enterprise existing process units, airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line are connected to coke oven denitration in the stove also Primordial Qi main pipeline respectively, the component ratio of coke oven furnace reduction gas is sent by adjusting, to adjust the denitration efficiency of coke oven combustion exhaust gas, so that the denitration effect of coke oven combustion exhaust gas meets the production requirement of coke-oven plant.
Description
Technical field
The present invention relates to coke oven combustion waste gas purification technical fields, more particularly to a kind of coke oven denitration in the stove also Primordial Qi
Feedway and method.
Background technique
Coal chemical enterprise can generate a large amount of coke oven combustion exhaust gas, coke oven combustion exhaust gas mentioned here in process of production
Refer to gas caused by being mixed and burned in coke oven vertical flame path by coal gas and air.Contain in generated coke oven combustion exhaust gas
There is a large amount of nitrogen oxides (NOx), if being directly discharged into air can cause seriously to pollute to environment.
Currently, in the prior art using selective non-catalytic reduction technique (SNCR technique) to coke oven burning waste gas
Denitration process is carried out, this method makes the work in also Primordial Qi by the way that coke oven denitration in the stove reduction gas to be injected in coke oven regenerator
Property ingredient and coke oven combustion exhaust gas in nitrogen oxides occur denitration reaction, thus reach removing coke oven combustion exhaust gas in nitrogen oxygen
The purpose of compound.Wherein, the active constituent of coke oven denitration in the stove also Primordial Qi is ammonia, and by air as carrier gas, and also contains one
Quantitative nitrogen.
Since coke oven is a kind of stove being built by refractory brick and refractory block, and the denitration region in coke oven furnace be
It is formed during coke furnace building, therefore, position is fixed.However, in order to play the production of coke oven to the maximum extent
Ability and best hot working efficiency need the ignition temperature of regular adjusting coke oven, thus in the production process of coke
Cause in coke oven furnace that changes will occur for each spot temperature, wherein the denitration regional temperature in coke oven furnace is no exception.Coke oven
The variation of denitration in the stove regional temperature, will affect the denitration effect of coke oven combustion exhaust gas, to directly influence coke oven exhaust gas
Therefore how discharge makes the denitration effect of coke oven combustion exhaust gas not influenced to become this field skill by coke oven combustion temperature change
Art personnel's urgent problem to be solved.
Summary of the invention
The feedway and method for being designed to provide a kind of coke oven denitration in the stove also Primordial Qi of the embodiment of the present invention, with
Make the denitration effect of coke oven combustion exhaust gas is not influenced by coke oven combustion temperature change.Specific technical solution is as follows:
Firstly, the present invention provides a kind of feedways of coke oven denitration in the stove also Primordial Qi, including coke oven denitration in the stove is also
Primordial Qi main pipeline, first also Primordial Qi component conveyance conduit and second also Primordial Qi component conveyance conduit；
It is provided with the first also Primordial Qi component inlet, second on the coke oven denitration in the stove also Primordial Qi main pipeline and goes back Primordial Qi group
Divide import and also Primordial Qi outlet；Described first goes back the gas outlet of the conveyance conduit of Primordial Qi component and the coke oven denitration in the stove also
The also Primordial Qi component inlet connection of the first of Primordial Qi main pipeline；Described second goes back the gas outlet of the conveyance conduit of Primordial Qi component and institute
State the second also Primordial Qi component inlet connection of coke oven denitration in the stove also Primordial Qi main pipeline；The coke oven denitration in the stove also Primordial Qi master
The also Primordial Qi outlet of pipeline is connect with coke oven；
Described first also Primordial Qi component conveyance conduit and second also Primordial Qi component conveyance conduit on be provided with first
Regulating valve, for adjusting the size of gas flow in corresponding pipeline；
Wherein, the coke oven denitration in the stove reduction gas bag includes three kinds of nitrogen, ammonia and air components；When described first also
When Primordial Qi group is divided into nitrogen and ammonia, the described second also Primordial Qi component is air；When described first also Primordial Qi component be air and
When ammonia, the described second also Primordial Qi component is nitrogen or the gaseous mixture of air and nitrogen.
In certain specific embodiments of the invention, described first also Primordial Qi component conveyance conduit on be additionally provided with
Second regulating valve, for cutting off the conveying of gas in conveyance conduit.
In certain specific embodiments of the invention, first gas flowmeter is equipped on each conveyance conduit；It is preferred that
Ground, the coke oven denitration in the stove are provided with second gas flowmeter on the also outlet end of Primordial Qi main pipeline.
In certain specific embodiments of the invention, described device further includes at least one gas mixer；The gas
Body mixer is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline, for that will enter coke oven denitration in the stove also Primordial Qi master
Air, ammonia and nitrogen mixing in pipeline.
The present invention also provides a kind of feedways of coke oven denitration in the stove also Primordial Qi, including coke oven denitration in the stove to restore
Gas main pipeline, the coke oven denitration in the stove reduction gas bag include three kinds of nitrogen, ammonia and air components；Described device further include:
Airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line；
It is respectively equipped with air intlet, ammonia imports, nitrogen inlet on the coke oven denitration in the stove also Primordial Qi main pipeline and goes back
Primordial Qi outlet；The air intlet of the gas outlet of the airflow pipe and the coke oven denitration in the stove also Primordial Qi main pipeline connects
It connects；The gas outlet of the ammonia conveyance conduit is connect with the ammonia imports of the coke oven denitration in the stove also Primordial Qi main pipeline；It is described
The gas outlet of nitrogen gas delivery-line is connect with the nitrogen inlet of the coke oven denitration in the stove also Primordial Qi main pipeline；The coke oven furnace
The also Primordial Qi outlet of interior denitration also Primordial Qi main pipeline is connect with coke oven；
The first regulating valve is provided in the airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line；It is described
First regulating valve is used to adjust the size of gas flow in corresponding pipeline.
In certain specific embodiments of the invention, the second regulating valve is additionally provided on the ammonia conveyance conduit；Institute
The second regulating valve is stated for cutting off the conveying of gas in ammonia conveyance conduit.
In certain specific embodiments of the invention, the airflow pipe, ammonia conveyance conduit and nitrogen conveying
First gas flowmeter is equipped on pipeline.
In certain specific embodiments of the invention, on the coke oven denitration in the stove also outlet end of Primordial Qi main pipeline
It is provided with second gas flowmeter.
In certain specific embodiments of the invention, described device further includes at least one gas mixer；The gas
Body mixer is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline, for that will enter coke oven denitration in the stove also Primordial Qi master
Air, ammonia and nitrogen mixing in pipeline.
The method that Primordial Qi is gone back in supply into coke oven furnace secondly, the present invention also provides a kind of, which comprises
According to coke oven denitration regional temperature, the flow of component in each conveyance conduit is adjusted, to adjust into coke oven furnace
The volume percent content of the coke oven denitration in the stove also Primordial Qi each component of denitration also Primordial Qi main pipeline.
The feedway and method of a kind of coke oven denitration in the stove provided in an embodiment of the present invention also Primordial Qi, in coal chemical enterprise
It, respectively will be in airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line and coke oven furnace on the basis of existing process units
Denitration also Primordial Qi main pipeline is connected to, and the component ratio of coke oven furnace reduction gas is sent by adjusting, and changes also Primordial Qi active constituent
The active temperature of ammonia makes it match with the denitration regional temperature in coke oven furnace, to adjust the denitration effect of coke oven combustion exhaust gas
Rate, so that the denitration effect of coke oven combustion exhaust gas meets the production requirement of coke-oven plant.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will to embodiment or
Attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
Some embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other drawings may be obtained according to these drawings without any creative labor.
Fig. 1 is a kind of feedway schematic diagram of coke oven denitration in the stove provided in an embodiment of the present invention also Primordial Qi；
Fig. 2 is the feedway schematic diagram of another coke oven denitration in the stove provided in an embodiment of the present invention also Primordial Qi；
Wherein, 1- coke oven denitration in the stove also Primordial Qi main pipeline；The conveyance conduit of the also Primordial Qi component of 2- first；3- second is also
The conveyance conduit of Primordial Qi component；The first regulating valve of 4-；5- first gas flowmeter；6- second gas flowmeter；7- gas mixing
Device；8- airflow pipe；9- ammonia conveyance conduit；10- nitrogen gas delivery-line；The second regulating valve of 11-.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts it is all its
His embodiment, shall fall within the protection scope of the present invention.
Embodiment 1
Present invention firstly provides a kind of feedways of coke oven denitration in the stove also Primordial Qi, as shown in Figure 1, comprising: coke oven
Denitration in the stove also Primordial Qi main pipeline 1, first also Primordial Qi component conveyance conduit 2 and second also Primordial Qi component conveyance conduit 3；
It is provided with the first also Primordial Qi component inlet, second on the coke oven denitration in the stove also Primordial Qi main pipeline 1 and goes back Primordial Qi group
Divide import and also Primordial Qi outlet；Described first goes back the gas outlet of the conveyance conduit 2 of Primordial Qi component and the coke oven denitration in the stove also
The also Primordial Qi component inlet connection of the first of Primordial Qi main pipeline 1；Described second also Primordial Qi component conveyance conduit 3 gas outlet with
The also Primordial Qi component inlet connection of the second of the coke oven denitration in the stove also Primordial Qi main pipeline 1；The coke oven denitration in the stove also Primordial Qi
The also Primordial Qi of main pipeline 1 is exported for connecting with coke oven；
The described first also conveyance conduit 2 of Primordial Qi component and second is also provided with the on the conveyance conduit 3 of Primordial Qi component
One regulating valve 4, for adjusting the size of gas flow in corresponding pipeline；
Wherein, the coke oven denitration in the stove reduction gas bag includes three kinds of nitrogen, ammonia and air components；When described first also
When Primordial Qi group is divided into nitrogen and ammonia, the described second also Primordial Qi component is air；When described first also Primordial Qi component be air and
When ammonia, the described second also Primordial Qi component is nitrogen or the gaseous mixture of air and nitrogen.
In certain specific embodiments of the invention, described first also Primordial Qi component conveyance conduit on be additionally provided with
Second regulating valve 11, for cutting off the conveying of gas in conveyance conduit.
In certain specific embodiments of the invention, it is equipped with first gas flowmeter 5 on each conveyance conduit, is used for
Metering flows through the corresponding gas flow of each conveyance conduit；Preferably, the outlet of the coke oven denitration in the stove also Primordial Qi main pipeline 1
Second gas flowmeter 6 is provided on end, for measuring the gas for flowing through the coke oven denitration in the stove also outlet end of Primordial Qi main pipeline 1
Body flow.
In certain specific embodiments of the invention, described device further includes at least one gas mixer 7；It is described
Gas mixer 7 is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline 1, is restored for that will enter coke oven denitration in the stove
Air, ammonia in gas main pipeline 1 and nitrogen mixing, thus, enable three kinds of gases uniformly across coke oven denitration in the stove also
The outlet end of Primordial Qi main pipeline 1, into coke oven.
The present invention also provides the feedways of application earlier figures 1, and the method for also Primordial Qi is provided into coke oven, comprising:
According to coke oven denitration regional temperature, the flow of component in each conveyance conduit is adjusted, to adjust into coke oven furnace
The volume percent content of the coke oven denitration in the stove also Primordial Qi each component of denitration also Primordial Qi main pipeline 1.
In certain specific embodiments of the invention, when coke oven denitration regional temperature is higher than 900 DEG C, adjust respectively
First also Primordial Qi component conveyance conduit 2 and second also Primordial Qi component conveyance conduit 3 the first regulating valve 4, make enter coke oven
Nitrogen volume percent content in the coke oven denitration in the stove also Primordial Qi of denitration in the stove also Primordial Qi main pipeline 1 increases, volume of air
Degree reduces.
In certain specific embodiments of the invention, when coke oven denitration regional temperature is lower than 900 DEG C, adjust respectively
First also Primordial Qi component conveyance conduit 2 and second also Primordial Qi component conveyance conduit 3 the first regulating valve 4, make enter coke oven
Volume of air degree in the coke oven denitration in the stove also Primordial Qi of denitration in the stove also Primordial Qi main pipeline 1 increases, nitrogen volume
Degree reduces.
In certain specific embodiments of the invention, into the coke oven furnace of coke oven denitration in the stove also Primordial Qi main pipeline 1
The adjusting range of the percent by volume of the hollow gas of denitration also Primordial Qi is 0.05%~99%；The adjustment of the percent by volume of ammonia
Range is 0.1%~14%.
Embodiment 2
The present invention also provides a kind of feedways of coke oven denitration in the stove also Primordial Qi, as shown in Figure 2, comprising: coke oven furnace
Interior denitration also Primordial Qi main pipeline 1, airflow pipe 8, ammonia conveyance conduit 9 and nitrogen gas delivery-line 10；
Be respectively equipped on the coke oven denitration in the stove also Primordial Qi main pipeline 1 air intlet, ammonia imports, nitrogen inlet and
Also Primordial Qi exports；The air of the gas outlet of the airflow pipe 8 and the coke oven denitration in the stove also Primordial Qi main pipeline 1 into
Mouth connection；The ammonia imports of the gas outlet of the ammonia conveyance conduit 9 and the coke oven denitration in the stove also Primordial Qi main pipeline 1 connect
It connects；The gas outlet of the nitrogen gas delivery-line 10 is connect with the nitrogen inlet of the coke oven denitration in the stove also Primordial Qi main pipeline 1；
Also Primordial Qi import of the also Primordial Qi outlet of the coke oven denitration in the stove also Primordial Qi main pipeline 1 for coke oven is connect；
The first regulating valve is provided in the airflow pipe 8, ammonia conveyance conduit 9 and nitrogen gas delivery-line 10
4；First regulating valve 4 is used to adjust the size of gas flow in corresponding pipeline.
In certain specific embodiments of the invention, the second regulating valve is additionally provided on the ammonia conveyance conduit 9
11；Second regulating valve 11 is used to cut off the conveying of gas in ammonia conveyance conduit 9, to ensure coke oven in the process of running
Safety.
In certain specific embodiments of the invention, the airflow pipe 8, ammonia conveyance conduit 9 and nitrogen are defeated
It send and is equipped with first gas flowmeter 5 on pipeline 10, for measuring the corresponding gas flow for flowing through each conveyance conduit.
In certain specific embodiments of the invention, on the coke oven denitration in the stove also outlet end of Primordial Qi main pipeline 1
It is provided with second gas flowmeter 6, for measuring the gas stream for flowing through the coke oven denitration in the stove also outlet end of Primordial Qi main pipeline 1
Amount.
In certain specific embodiments of the invention, described device further includes at least one gas mixer 7；It is described
Gas mixer 7 is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline 1, is restored for that will enter coke oven denitration in the stove
Air, ammonia in gas main pipeline 1 and nitrogen mixing, thus, enable three kinds of gases uniformly across coke oven denitration in the stove also
The outlet end of Primordial Qi main pipeline 1, into coke oven.
The present invention also provides the feedways of application earlier figures 2, and the method for also Primordial Qi is provided into coke oven, comprising:
According to coke oven denitration regional temperature, the flow of component in each conveyance conduit is adjusted, to adjust into coke oven furnace
The volume percent content of the coke oven denitration in the stove also Primordial Qi each component of denitration also Primordial Qi main pipeline 1.
In certain specific embodiments of the invention, when coke oven denitration regional temperature is higher than 900 DEG C, adjust respectively
First regulating valve 4 of airflow pipe 8 and nitrogen gas delivery-line 10 makes into coke oven denitration in the stove also Primordial Qi main pipeline 1
Nitrogen volume percent content in coke oven denitration in the stove also Primordial Qi increases, and volume of air degree reduces.
In certain specific embodiments of the invention, when coke oven denitration regional temperature is lower than 900 DEG C, adjust respectively
First regulating valve 4 of airflow pipe 8 and nitrogen gas delivery-line 10 makes into coke oven denitration in the stove also Primordial Qi main pipeline 1
Volume of air degree in coke oven denitration in the stove also Primordial Qi increases, and nitrogen volume percent content reduces.
In certain specific embodiments of the invention, into the coke oven furnace of coke oven denitration in the stove also Primordial Qi main pipeline 1
The volume percent content adjustable range of the hollow gas of denitration also Primordial Qi is 0.05%~99%；The volume percent content of ammonia
Adjustable range is 0.1%~14%.
It should be noted that ammonia is reducibility gas, air in coke oven denitration in the stove described above also Primordial Qi each component
It is only intended to adjust the distribution of the reducibility gas with nitrogen.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the scope of the present invention.It is all
Any modification, equivalent replacement, improvement and so within the spirit and principles in the present invention are all contained in protection model of the invention
In enclosing.
Claims (10)
1. a kind of feedway of coke oven denitration in the stove also Primordial Qi, including coke oven denitration in the stove also Primordial Qi main pipeline, feature exist
In described device further include: first also Primordial Qi component conveyance conduit and second also Primordial Qi component conveyance conduit；
It is provided with the first also Primordial Qi component inlet, second on the coke oven denitration in the stove also Primordial Qi main pipeline and goes back Primordial Qi component inlet
With also Primordial Qi outlet；The described first also gas outlet of the conveyance conduit of Primordial Qi component and the coke oven denitration in the stove also Primordial Qi is responsible for
The also Primordial Qi component inlet connection of the first of road；Described second goes back in the gas outlet of the conveyance conduit of Primordial Qi component and the coke oven furnace
The also Primordial Qi component inlet connection of the second of denitration also Primordial Qi main pipeline；The also Primordial Qi of the coke oven denitration in the stove also Primordial Qi main pipeline
Outlet is connect with coke oven；
Described first also Primordial Qi component conveyance conduit and second also Primordial Qi component conveyance conduit on be provided with the first adjusting
Valve, for adjusting the size of gas flow in corresponding pipeline；
Wherein, the coke oven denitration in the stove reduction gas bag includes three kinds of nitrogen, ammonia and air components；When described first also Primordial Qi group
When being divided into nitrogen and ammonia, the described second also Primordial Qi component is air；When described first also Primordial Qi component is air and ammonia,
Described second also Primordial Qi component is nitrogen or the gaseous mixture of air and nitrogen.
2. a kind of feedway of coke oven denitration in the stove as described in claim 1 also Primordial Qi, which is characterized in that described first also
The second regulating valve is additionally provided on the conveyance conduit of Primordial Qi component, for cutting off the conveying of gas in conveyance conduit.
3. a kind of feedway of coke oven denitration in the stove as described in claim 1 also Primordial Qi, which is characterized in that each conveyance conduit
On be equipped with first gas flowmeter；Preferably, is provided on the coke oven denitration in the stove also outlet end of Primordial Qi main pipeline
Two gas flowmeters.
4. a kind of feedway of coke oven denitration in the stove as described in claim 1 also Primordial Qi, which is characterized in that described device is also
Including at least one gas mixer；The gas mixer is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline, is used
In air, ammonia and the nitrogen mixing that will enter in coke oven denitration in the stove also Primordial Qi main pipeline.
5. a kind of feedway of coke oven denitration in the stove also Primordial Qi, including coke oven denitration in the stove also Primordial Qi main pipeline, the coke oven
Denitration in the stove reduction gas bag includes three kinds of nitrogen, ammonia and air components；It is characterized in that, described device further include:
Airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line；
It is respectively equipped with air intlet, ammonia imports, nitrogen inlet on the coke oven denitration in the stove also Primordial Qi main pipeline and goes back Primordial Qi
Outlet；The gas outlet of the airflow pipe is connect with the air intlet of the coke oven denitration in the stove also Primordial Qi main pipeline；Institute
The gas outlet for stating ammonia conveyance conduit is connect with the ammonia imports of the coke oven denitration in the stove also Primordial Qi main pipeline；The nitrogen is defeated
The gas outlet of pipeline and the nitrogen inlet of the coke oven denitration in the stove also Primordial Qi main pipeline is sent to connect；The coke oven denitration in the stove is also
The also Primordial Qi outlet of Primordial Qi main pipeline is connect with coke oven；
The first regulating valve is provided in the airflow pipe, ammonia conveyance conduit and nitrogen gas delivery-line；Described first
Regulating valve is used to adjust the size of gas flow in corresponding pipeline.
6. a kind of feedway of coke oven denitration in the stove as claimed in claim 5 also Primordial Qi, which is characterized in that the ammonia is defeated
It send and is additionally provided with the second regulating valve on pipeline；Second regulating valve is used to cut off the conveying of gas in ammonia conveyance conduit.
7. a kind of feedway of coke oven denitration in the stove as claimed in claim 5 also Primordial Qi, which is characterized in that the air is defeated
It send and is equipped with first gas flowmeter in pipeline, ammonia conveyance conduit and nitrogen gas delivery-line.
8. a kind of feedway of coke oven denitration in the stove as claimed in claim 7 also Primordial Qi, which is characterized in that the coke oven furnace
Interior denitration is provided with second gas flowmeter on the also outlet end of Primordial Qi main pipeline.
9. a kind of feedway of coke oven denitration in the stove as claimed in claim 5 also Primordial Qi, which is characterized in that described device is also
Including at least one gas mixer；The gas mixer is mounted on the coke oven denitration in the stove also Primordial Qi main pipeline, is used
In air, ammonia and the nitrogen mixing that will enter in coke oven denitration in the stove also Primordial Qi main pipeline.
10. supply described in any one of application feedway according to any one of claims 1 to 4 or claim 5~9
The method that device supplies also Primordial Qi into coke oven, which is characterized in that the described method includes:
According to coke oven denitration regional temperature, the flow of component in each conveyance conduit is adjusted, to adjust into coke oven denitration in the stove
The also volume percent content of the coke oven denitration in the stove of Primordial Qi main pipeline also Primordial Qi each component.
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Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19810275A1 (en) * | 1998-03-10 | 1999-09-09 | Siemens Ag | Method for reduction of nitrogen oxide emissions from gas turbines |
| JP2001129353A (en) * | 1999-11-01 | 2001-05-15 | Babcock Hitachi Kk | Gas flow path switching method for exhaust gas treatment apparatus |
| RU2296000C1 (en) * | 2005-08-03 | 2007-03-27 | ОАО "Тольяттиазот" | Method of cleaning flue gases from nitrogen oxides |
| CN202803098U (en) * | 2012-09-19 | 2013-03-20 | 四川川润动力设备有限公司 | Novel simplified flue gas denitration ammonia station system |
| CN104056542A (en) * | 2014-06-09 | 2014-09-24 | 广西壮族自治区建筑材料科学研究设计院 | SNCR (selective non-catalytic reduction) denitration method and SNCR denitration device |
| JP2014211102A (en) * | 2013-04-18 | 2014-11-13 | 株式会社日立製作所 | Combined cycle power generation plant |
| CN105169918A (en) * | 2015-09-29 | 2015-12-23 | 中冶焦耐工程技术有限公司 | Method and system for reducing emission of nitrogen oxide in smoke of coking furnace |
| CN106823800A (en) * | 2017-04-07 | 2017-06-13 | 大唐环境产业集团股份有限公司 | A kind of urea pyrolysis SCR denitration device |
| CN206454483U (en) * | 2017-02-07 | 2017-09-01 | 北京北清环科环境工程有限公司 | A kind of swinging limekiln SNCR denitration device |
| CN207755994U (en) * | 2017-12-11 | 2018-08-24 | 鞍钢股份有限公司 | Pretreatment device for ammonia gas entering SCR (Selective catalytic reduction) reactor in WSA (Wireless sensor array) acid making process |
| JP2018138771A (en) * | 2017-02-24 | 2018-09-06 | 三菱日立パワーシステムズ株式会社 | Denitration control device for gas turbine, gas turbine combined-cycle power generation facility, denitration control method for gas turbine and denitration control program for gas turbine |
| CN210229590U (en) * | 2019-03-26 | 2020-04-03 | 华泰永创(北京)科技股份有限公司 | Supply device for denitration reducing gas in coke oven |
-
2019
- 2019-03-26 CN CN201910231646.3A patent/CN110026064B/en active Active
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE19810275A1 (en) * | 1998-03-10 | 1999-09-09 | Siemens Ag | Method for reduction of nitrogen oxide emissions from gas turbines |
| JP2001129353A (en) * | 1999-11-01 | 2001-05-15 | Babcock Hitachi Kk | Gas flow path switching method for exhaust gas treatment apparatus |
| RU2296000C1 (en) * | 2005-08-03 | 2007-03-27 | ОАО "Тольяттиазот" | Method of cleaning flue gases from nitrogen oxides |
| CN202803098U (en) * | 2012-09-19 | 2013-03-20 | 四川川润动力设备有限公司 | Novel simplified flue gas denitration ammonia station system |
| JP2014211102A (en) * | 2013-04-18 | 2014-11-13 | 株式会社日立製作所 | Combined cycle power generation plant |
| CN104056542A (en) * | 2014-06-09 | 2014-09-24 | 广西壮族自治区建筑材料科学研究设计院 | SNCR (selective non-catalytic reduction) denitration method and SNCR denitration device |
| CN105169918A (en) * | 2015-09-29 | 2015-12-23 | 中冶焦耐工程技术有限公司 | Method and system for reducing emission of nitrogen oxide in smoke of coking furnace |
| CN206454483U (en) * | 2017-02-07 | 2017-09-01 | 北京北清环科环境工程有限公司 | A kind of swinging limekiln SNCR denitration device |
| JP2018138771A (en) * | 2017-02-24 | 2018-09-06 | 三菱日立パワーシステムズ株式会社 | Denitration control device for gas turbine, gas turbine combined-cycle power generation facility, denitration control method for gas turbine and denitration control program for gas turbine |
| CN106823800A (en) * | 2017-04-07 | 2017-06-13 | 大唐环境产业集团股份有限公司 | A kind of urea pyrolysis SCR denitration device |
| CN207755994U (en) * | 2017-12-11 | 2018-08-24 | 鞍钢股份有限公司 | Pretreatment device for ammonia gas entering SCR (Selective catalytic reduction) reactor in WSA (Wireless sensor array) acid making process |
| CN210229590U (en) * | 2019-03-26 | 2020-04-03 | 华泰永创(北京)科技股份有限公司 | Supply device for denitration reducing gas in coke oven |
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