CN111389223A - Flue gas desulfurization and denitrification system and process - Google Patents
Flue gas desulfurization and denitrification system and process Download PDFInfo
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- CN111389223A CN111389223A CN202010313960.9A CN202010313960A CN111389223A CN 111389223 A CN111389223 A CN 111389223A CN 202010313960 A CN202010313960 A CN 202010313960A CN 111389223 A CN111389223 A CN 111389223A
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- 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
- B01D53/90—Injecting reactants
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D46/00—Filters or filtering processes specially modified for separating dispersed particles from gases or vapours
- B01D46/02—Particle separators, e.g. dust precipitators, having hollow filters made of flexible material
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- 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
- B01D53/48—Sulfur compounds
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- 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
- B01D53/81—Solid phase processes
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- 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
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23G—CREMATION FURNACES; CONSUMING WASTE PRODUCTS BY COMBUSTION
- F23G5/00—Incineration of waste; Incinerator constructions; Details, accessories or control therefor
- F23G5/44—Details; Accessories
- F23G5/46—Recuperation of heat
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
- F23L—SUPPLYING AIR OR NON-COMBUSTIBLE LIQUIDS OR GASES TO COMBUSTION APPARATUS IN GENERAL ; VALVES OR DAMPERS SPECIALLY ADAPTED FOR CONTROLLING AIR SUPPLY OR DRAUGHT IN COMBUSTION APPARATUS; INDUCING DRAUGHT IN COMBUSTION APPARATUS; TOPS FOR CHIMNEYS OR VENTILATING SHAFTS; TERMINALS FOR FLUES
- F23L15/00—Heating of air supplied for combustion
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/40—Alkaline earth metal or magnesium compounds
- B01D2251/404—Alkaline earth metal or magnesium compounds of calcium
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D2251/00—Reactants
- B01D2251/60—Inorganic bases or salts
- B01D2251/604—Hydroxides
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- 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
- B01D2258/0291—Flue gases from waste incineration plants
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E20/00—Combustion technologies with mitigation potential
- Y02E20/34—Indirect CO2mitigation, i.e. by acting on non CO2directly related matters of the process, e.g. pre-heating or heat recovery
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Biomedical Technology (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Health & Medical Sciences (AREA)
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- General Engineering & Computer Science (AREA)
- Combustion & Propulsion (AREA)
- Treating Waste Gases (AREA)
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Abstract
The invention belongs to the technical field of flue gas purification, and particularly relates to a flue gas desulfurization and denitrification system and process, which comprise the following steps: the system comprises a waste heat boiler device, a dry desulphurization device and a dust and nitrate integrated device; the waste heat boiler device is suitable for leading the generated high-temperature flue gas out to the dry desulfurization device, entering the dust and nitrate integrated device after dry desulfurization, and returning to the waste heat boiler device after dust removal and denitration. The flue gas purification system and the process adopt a high-temperature SCR process with lower low-temperature investment and higher reliability, have low requirements on the content of sulfur dioxide and dust in the flue gas, and omit a semi-dry desulfurization process with high price, so that the process flow is greatly simplified, the occupied area investment is greatly lower than that of the traditional flue gas purification process, and the emission standard of European Union 2010 can be easily reached.
Description
Technical Field
The invention belongs to the field of flue gas purification and desulfurization, and particularly relates to a flue gas desulfurization and denitrification system and process.
Background
With the development of cities, domestic waste has increased at a rate of 10% per year, and it has not been possible to landfill the valuable land required. The problem is well solved by the waste incineration power generation, but the waste incineration generated smoke containing high sulfur, high nitrate and high dust needs to be purified and then is discharged.
The flue gas after the waste incineration is treated by adopting the low-temperature SCR, but the low-temperature SCR is easy to cause catalyst failure in the high-dust, high-sulfur and high-moisture environment of the waste incineration, so that the flue gas treatment effect is poor.
Disclosure of Invention
The invention aims to provide a flue gas desulfurization and denitrification system, which aims to solve the problems of low catalytic efficiency and poor flue gas treatment effect of the prior art in which a low-temperature SCR technology is adopted to treat flue gas after waste incineration.
In order to solve the above technical problems, the present invention provides a flue gas desulfurization and denitrification system, comprising:
the system comprises a waste heat boiler device, a dry desulphurization device and a dust and nitrate integrated device;
the waste heat boiler device is suitable for leading the generated high-temperature flue gas out to the dry desulfurization device, entering the dust and nitrate integrated device after dry desulfurization, and returning to the waste heat boiler device after dust removal and denitration.
Further: the dirt nitre integrated device includes: a housing;
a dust removal cloth bag area and a denitration catalyst area are arranged in the shell;
the dust removal cloth bag area comprises a metal fiber cloth bag dust remover suitable for removing dust from high-temperature flue gas;
the denitration catalyst zone comprises a high-temperature SCR denitration catalyst module which is suitable for denitration of high-temperature flue gas subjected to dust removal in the dust removal cloth bag zone.
Further: the dry desulfurization apparatus comprises: the system comprises a desulfurizing tower, a slaked lime powder bin and a grinding machine;
and the slaked lime in the slaked lime powder bin is ground into powder by a grinding machine and then is conveyed to a desulfurizing tower by a fan to desulfurize the high-temperature flue gas.
Further: the waste heat boiler device comprises a boiler with a smoke outlet and a smoke return port;
the boiler is internally provided with an economizer which is suitable for absorbing the heat of high-temperature flue gas, and the economizer is positioned below the smoke return port;
and the high-temperature flue gas subjected to denitration in the shell enters the economizer from the flue gas return port through a pipeline and is discharged through an induced draft fan.
Further: an air preheater is arranged below the economizer and is suitable for guiding heat in high-temperature flue gas into combustion air at the tail end of a heating surface at the tail part of the boiler in a convection mode for combustion.
Further: flue gas desulfurization deNOx systems still includes: ash storage bin means;
the ash storage bin device comprises an ash storage bin;
the ash storage bin is suitable for storing the fly ash generated in the dust and nitrate integrated device.
In another aspect, the invention further provides a flue gas desulfurization and denitrification process, which comprises the following steps:
step S1, enabling high-temperature flue gas combusted in the boiler to enter a desulfurizing tower from a flue gas outlet, and desulfurizing the high-temperature flue gas through slaked lime powder;
step S2, enabling the desulfurized high-temperature gas to enter a dust removal cloth bag area, removing dust through a metal fiber cloth bag dust remover, enabling the dedusted flue gas to enter a denitration catalyst area, and returning to a smoke return opening of a boiler after catalytic denitration reaction through a high-temperature SCR denitration catalyst;
and step S3, the high-temperature flue gas entering from the smoke return port enters the economizer and the air preheater in sequence and is discharged by the induced draft fan.
Further: and step S21, conveying fly ash generated in the dust removal process of the metal fiber bag-type dust remover to an ash storage bin for storage.
The flue gas desulfurization and denitrification system has the advantages that high-temperature flue gas generated after household garbage is incinerated by the waste heat boiler device enters the dry desulfurization device from the flue gas outlet for desulfurization, then enters the dust and nitrate integrated device for denitrification, and finally returns to the waste heat boiler device from the flue gas return port to reach the emission standard. The dry desulfurization device and the dust and nitrate integrated device are adopted, so that the process flow is greatly simplified, the occupied area investment is greatly lower than that of the traditional ultralow emission process, the ultralow emission standard can be easily achieved, the high-temperature SCR process is adopted, the requirements on the sulfur dioxide and dust contents in the flue gas are not high, and the expensive semi-dry desulfurization and low-temperature SCR denitration are omitted.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic diagram of a preferred embodiment of the flue gas desulfurization and denitrification system of the present invention.
In the figure:
1. a boiler; 11. a smoke outlet; 12. a smoke return port; 13. a coal economizer; 14. an air preheater; 2. a desulfurizing tower; 3. a slaked lime powder bin; 4. a grinder; 5. a fan; 6. a housing; 61. a metal fiber bag-type dust collector; 62. a high temperature SCR denitration catalyst module; 7. an ash storage bin; 8. an induced draft fan.
Detailed Description
To make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some, but not all embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1, the present embodiment provides a flue gas desulfurization and denitration system, which includes a waste heat boiler device, a dry desulfurization device and a dust and nitrate integrated device. Domestic waste places and burns in the exhaust-heat boiler device, and the high temperature flue gas that produces during burning is drawn forth extremely among the dry process desulphurization unit, gets into after the dry process desulfurization among the integrative device of dirt nitre, get back to in the exhaust-heat boiler device after the dust removal denitration, discharge up to standard by draught fan 8 at last.
As an embodiment of the dust and nitrate integrated device.
As shown in fig. 1, the dust and nitrate integrated device comprises a shell 6, wherein a dust removal cloth bag area and a denitration catalyst area are arranged in the shell 6, and high-temperature flue gas firstly enters the dust removal cloth bag area for dust removal and then enters the denitration catalyst area for denitration catalysis. In this embodiment, the dust-removing cloth bag region includes a metal fiber cloth bag dust remover 61, and the metal fiber cloth bag dust remover 61 is resistant to high temperature up to 800 ℃, so that the dust-removing cloth bag region can bear the temperature of high-temperature flue gas; the denitration catalyst area comprises a high-temperature SCR denitration catalyst module 62 which is used for denitration of high-temperature flue gas generated after dust removal of the metal fiber bag-type dust remover 61.
As an embodiment of the dry desulfurization apparatus.
As shown in fig. 1, the dry desulfurization device includes a desulfurization tower 2 and a slaked lime powder bin 3, the slaked lime powder bin 3 is used for storing slaked lime, and the slaked lime is pulverized by a grinder 4 and then conveyed into the desulfurization tower 2 by a fan 5 to desulfurize the high-temperature flue gas entering the desulfurization tower 2.
As an embodiment of the waste heat boiler arrangement.
As shown in fig. 1, the exhaust-heat boiler device includes a boiler 1 having a smoke outlet 11 and a smoke return port 12, a coal economizer 13 adapted to absorb heat of high-temperature flue gas is disposed in the boiler 1, the coal economizer 13 is located below the smoke return port 12, an air preheater 14 is disposed below the coal economizer 13, and the high-temperature flue gas after denitration in the housing 6 enters the coal economizer 13 from the smoke return port 12 through a pipeline, then enters the air preheater 14, and finally is discharged through an induced draft fan 8. The economizer 13 is used for recovering the heat of the exhausted high-temperature flue gas, reduces the exhaust temperature of the flue gas, saves energy and improves the efficiency. The air preheater 14 is adapted to convectively introduce heat from the hot flue gases into the combustion air at the end of the hot side at the rear of the boiler 1 for combustion.
In this embodiment, the flue gas desulfurization and denitration system further includes an ash storage bin device, the ash storage bin device includes an ash storage bin 7, the fly ash generated in the dust and nitrate integration device is conveyed to the fly ash bin for storage through pneumatic transmission, and the final fly ash is sent to a landfill site for landfill through solidification. Compared with the conveying process of a buried scraper loader and a bucket elevator in the prior art, the pneumatic conveying process is adopted to greatly reduce the flying ash and greatly increase the working reliability.
Specifically, the waste heat boiler device can be equipped with SNCR, so that the dosage of expensive catalyst in the dust and nitrate integrated device can be greatly reduced.
Example 2
As shown in fig. 1, the embodiment provides a flue gas desulfurization and denitration process, which includes the following steps:
step S1, enabling high-temperature flue gas combusted in the boiler 1 to enter the desulfurizing tower 2 from the flue gas outlet 11, and desulfurizing the high-temperature flue gas through slaked lime powder;
step S2, enabling the desulfurized high-temperature gas to enter a dust removal cloth bag area, removing dust through a metal fiber cloth bag dust remover 61, enabling the dust-removed flue gas to enter a denitration catalyst area, and enabling the flue gas to return to a flue gas return port 12 of the boiler 1 after catalytic denitration through a high-temperature SCR denitration catalyst 62;
step S21, conveying fly ash generated in the dust removal process of the metal fiber bag dust collector 61 to an ash storage bin 7 for storage;
and step S3, the high-temperature flue gas entering from the flue gas return port 12 passes through the economizer 13 and the air preheater 14 in sequence and is discharged through the induced draft fan 8.
In view of the above, it is desirable to provide,
in the flue gas desulfurization and denitrification system, high-temperature flue gas generated after household garbage is incinerated by the waste heat boiler device enters the dry desulfurization device from the flue gas outlet 11 for desulfurization, then enters the dust and nitrate integrated device for denitrification, and the denitrated high-temperature flue gas returns to the waste heat boiler device from the flue gas return port 12 and finally reaches the emission standard of European Union 2010. The dry desulfurization device and the dust and nitrate integrated device are adopted, so that the process flow is greatly simplified, the occupied area investment is greatly lower than that of the traditional ultralow emission process, the ultralow emission standard can be easily achieved, the high-temperature SCR process with lower investment and higher reliability is adopted, the requirements on the contents of sulfur dioxide and dust in the flue gas are not high, and the expensive semidry desulfurization process is omitted.
All the parts of the devices selected in the present application are general standard parts or parts known to those skilled in the art, and the structures and principles thereof can be known to those skilled in the art through technical manuals or through routine experimental methods.
In the description of the embodiments of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; either mechanically or electrically. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways, and the above-described apparatus embodiments are merely illustrative.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (8)
1. The utility model provides a flue gas desulfurization deNOx systems which characterized in that includes:
the system comprises a waste heat boiler device, a dry desulphurization device and a dust and nitrate integrated device;
the waste heat boiler device is suitable for leading the generated high-temperature flue gas out to the dry desulfurization device, entering the dust and nitrate integrated device after dry desulfurization, and returning to the waste heat boiler device after dust removal and denitration.
2. The flue gas desulfurization and denitrification system according to claim 1,
the dirt nitre integrated device includes: a housing;
a dust removal cloth bag area and a denitration catalyst area are arranged in the shell;
the dust removal cloth bag area comprises a metal fiber cloth bag dust remover suitable for removing dust from high-temperature flue gas;
the denitration catalyst zone comprises a high-temperature SCR denitration catalyst module which is suitable for denitration of high-temperature flue gas subjected to dust removal in the dust removal cloth bag zone.
3. The flue gas desulfurization and denitrification system according to claim 1,
the dry desulfurization apparatus comprises: the system comprises a desulfurizing tower, a slaked lime powder bin and a grinding machine;
and the slaked lime in the slaked lime powder bin is ground into powder by a grinding machine and then is conveyed to a desulfurizing tower by a fan to desulfurize the high-temperature flue gas.
4. The flue gas desulfurization and denitrification system according to claim 2,
the waste heat boiler device comprises a boiler with a smoke outlet and a smoke return port;
the boiler is internally provided with an economizer which is suitable for absorbing the heat of high-temperature flue gas, and the economizer is positioned below the smoke return port;
and the high-temperature flue gas subjected to denitration in the shell enters the economizer from the flue gas return port through a pipeline and is discharged through an induced draft fan.
5. The flue gas desulfurization and denitrification system according to claim 4,
an air preheater is arranged below the economizer and is suitable for guiding heat in high-temperature flue gas into combustion air at the tail end of a heating surface at the tail part of the boiler in a convection mode for combustion.
6. The flue gas desulfurization and denitrification system according to claim 1,
flue gas desulfurization deNOx systems still includes: ash storage bin means;
the ash storage bin device comprises an ash storage bin;
the ash storage bin is suitable for storing the fly ash generated in the dust and nitrate integrated device.
7. A flue gas desulfurization and denitrification process is characterized by comprising the following steps:
step S1, enabling high-temperature flue gas combusted in the boiler to enter a desulfurizing tower from a flue gas outlet, and desulfurizing the high-temperature flue gas through slaked lime powder;
step S2, enabling the desulfurized high-temperature gas to enter a dust removal cloth bag area, removing dust through a metal fiber cloth bag dust remover, enabling the dedusted flue gas to enter a denitration catalyst area, and returning to a smoke return opening of a boiler after catalytic denitration reaction through a high-temperature SCR denitration catalyst;
and step S3, the high-temperature flue gas entering from the smoke return port enters the economizer and the air preheater in sequence and is discharged by the induced draft fan.
8. The flue gas desulfurization and denitrification process according to claim 7,
and step S21, conveying fly ash generated in the dust removal process of the metal fiber bag-type dust remover to an ash storage bin for storage.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010313960.9A CN111389223A (en) | 2020-04-20 | 2020-04-20 | Flue gas desulfurization and denitrification system and process |
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| CN202010313960.9A CN111389223A (en) | 2020-04-20 | 2020-04-20 | Flue gas desulfurization and denitrification system and process |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933922A (en) * | 2021-03-09 | 2021-06-11 | 成都易态科技有限公司 | Desulfurization, dust removal and denitration system |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093736A (en) * | 1998-09-21 | 2000-04-04 | Cottrell Kogyo Kk | Apparatus for desulfurization, denitration, and removal of salt, dxn, and dust in dry manner |
| CN102735070A (en) * | 2012-07-07 | 2012-10-17 | 江苏中建材环保研究院有限公司 | Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas |
| CN203764107U (en) * | 2014-03-11 | 2014-08-13 | 中冶焦耐工程技术有限公司 | Integrated low-temperature flue gas desulfurization and denitrification ammonia removal device |
| CN206701058U (en) * | 2017-05-04 | 2017-12-05 | 无锡市东方环境工程设计研究所有限公司 | A kind of waste heat of coke-oven flue gas and desulphurization denitration dust pelletizing system |
| CN208260535U (en) * | 2018-05-02 | 2018-12-21 | 山东琦泉能源科技有限公司 | A kind of desulphurization denitration dust removal integrated plant suitable for biomass boiler |
| CN110841416A (en) * | 2019-12-18 | 2020-02-28 | 中冶焦耐(大连)工程技术有限公司 | Dedusting, desulfurization, denitrification and purification system and process for flue gas of rotary kiln and shaft kiln |
| CN212017403U (en) * | 2020-04-20 | 2020-11-27 | 上海环境工程设计研究院有限公司 | Flue gas desulfurization and denitrification system |
-
2020
- 2020-04-20 CN CN202010313960.9A patent/CN111389223A/en not_active Withdrawn
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000093736A (en) * | 1998-09-21 | 2000-04-04 | Cottrell Kogyo Kk | Apparatus for desulfurization, denitration, and removal of salt, dxn, and dust in dry manner |
| CN102735070A (en) * | 2012-07-07 | 2012-10-17 | 江苏中建材环保研究院有限公司 | Desulfurization and denitrification afterheat power generation systematization device of glass melter flue gas |
| CN203764107U (en) * | 2014-03-11 | 2014-08-13 | 中冶焦耐工程技术有限公司 | Integrated low-temperature flue gas desulfurization and denitrification ammonia removal device |
| CN206701058U (en) * | 2017-05-04 | 2017-12-05 | 无锡市东方环境工程设计研究所有限公司 | A kind of waste heat of coke-oven flue gas and desulphurization denitration dust pelletizing system |
| CN208260535U (en) * | 2018-05-02 | 2018-12-21 | 山东琦泉能源科技有限公司 | A kind of desulphurization denitration dust removal integrated plant suitable for biomass boiler |
| CN110841416A (en) * | 2019-12-18 | 2020-02-28 | 中冶焦耐(大连)工程技术有限公司 | Dedusting, desulfurization, denitrification and purification system and process for flue gas of rotary kiln and shaft kiln |
| CN212017403U (en) * | 2020-04-20 | 2020-11-27 | 上海环境工程设计研究院有限公司 | Flue gas desulfurization and denitrification system |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112933922A (en) * | 2021-03-09 | 2021-06-11 | 成都易态科技有限公司 | Desulfurization, dust removal and denitration system |
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