CN106621579A - Efficient denitration and dust removal integrated device and use method thereof - Google Patents
Efficient denitration and dust removal integrated device and use method thereof Download PDFInfo
- Publication number
- CN106621579A CN106621579A CN201611218752.0A CN201611218752A CN106621579A CN 106621579 A CN106621579 A CN 106621579A CN 201611218752 A CN201611218752 A CN 201611218752A CN 106621579 A CN106621579 A CN 106621579A
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- Prior art keywords
- denitration
- dust collecting
- area
- whirligig
- dedusting
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/12—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces
- B01D45/14—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces by centrifugal forces generated by rotating vanes, discs, drums or brushes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D45/00—Separating dispersed particles from gases or vapours by gravity, inertia, or centrifugal forces
- B01D45/18—Cleaning-out devices
-
- 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
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Environmental & Geological Engineering (AREA)
- Health & Medical Sciences (AREA)
- Biomedical Technology (AREA)
- Analytical Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Exhaust Gas Treatment By Means Of Catalyst (AREA)
- Filtering Of Dispersed Particles In Gases (AREA)
Abstract
The invention discloses an efficient denitration and dust removal integrated device and a use method of the efficient denitration and dust removal integrated device. A denitration and dust removal pipe (12) is arranged in a denitration and dust removal rotating device (1), a partition plate (10) is arranged at one end of the denitration and dust removal rotating device (1), the end part of the denitration and dust removal rotating device (1) is divided by the partition plate (10) into a dust removal zone (7), a denitration zone (8) and a blowing zone (9), one end of the dust removal zone (7) is connected with a draught fan (3), the other end of the dust removal zone (7) is connected with one end of the denitration zone (8) through a flue gas pipe (11), the other end of the denitration zone (8) is connected with a flue gas outlet (4), one end of the blowing zone (9) is connected with a blowing gas inlet (5), and the other end of the blowing zone (9) is connected with a blowing gas outlet (6). According to the efficient denitration and dust removal integrated device and the use method of the efficient denitration and dust removal integrated device, the content of flue gas dust entering a denitration reactor is low, the denitration and the dust removal are conducted in an integrated manner, and the denitration efficiency is high.
Description
Technical field
The present invention relates to a kind of smoke eliminator, and in particular to a kind of NO_x Reduction by Effective dust removal integrated plant.The present invention
Further relate to the using method of the NO_x Reduction by Effective dust removal integrated plant.
Background technology
In recent years, with various places haze weather increase and people's environmental consciousness raising, country and place issue successively
The stricter environmental regulation of cloth and policy.Industrial furnace flue gas pollutant such as flue dust and nitrogen oxides etc. are badly in need of a kind of efficient
With the technology of energy-conservation.
Denitrating flue gas dedusting at present is typically using separately processing mode, the general nitrogen using in SCR reactor for treatment flue gases
Oxide, and for modes such as dedusting general employing belt dedusting or electric precipitations.And at present major part be all denitration it
Carry out dedusting again afterwards, this flue gas resulted in in Benitration reactor contains substantial amounts of flue dust, and the activity of catalyst can be made
Into impact, so as to affect denitration efficiency.
The content of the invention
First technical problem to be solved by this invention be to provide it is a kind of enter Benitration reactor exhaust gas dust content it is low,
Denitration dust collecting is integrated to be carried out, the NO_x Reduction by Effective dust removal integrated plant that denitration efficiency is high.
Second technical problem to be solved by this invention is to provide the user of the NO_x Reduction by Effective dust removal integrated plant
Method.
In order to solve above-mentioned technical problem, the NO_x Reduction by Effective dust removal integrated plant that the present invention is provided, denitration dust collecting rotation
Denitration dust collecting pipe is provided with device, one end of described denitration dust collecting whirligig is provided with dividing plate, and described dividing plate will be described
The end of denitration dust collecting whirligig is separated into dedusting area, denitration region and injection area, and one end of described dedusting area is connected with
Blower fan, the other end of described dedusting area is connected by smoke pipe with one end of described denitration region, described denitration region it is another
End is connected with exhanst gas outlet, and the one end in described injection area is connected with injection gas entrance, and the other end is connected with spray flushing air outlet.
In order to solve above-mentioned second technical problem, the side of the use NO_x Reduction by Effective dust removal integrated plant that the present invention is provided
Method, denitration dust collecting whirligig turns clockwise；
The first step, flue gas Jing fan actions enter the dedusting area of denitration dust collecting whirligig by smoke inlet, and flue gas passes through
During dedusting area, dust is intercepted by denitration dust collecting pipe, and this step is completed in dedusting area；
Second step, the flue gas after dedusting enters the denitration dust collecting pipe of denitration region, and denitration is carried out in the presence of catalyst, this
One step is carried out in denitration region；
3rd step, with turning clockwise for denitration dust collecting whirligig, the dedusting area that intercepting has dust rotates to injection
Area, purging injection is carried out by being blown gas entrance to the denitration dust collecting pipe for being blown area, makes to be attached to denitration dust collecting whirligig
Dust releasing Jing spray flushing air outlets on denitration dust collecting pipe are discharged；
4th step, with the rotation of denitration dust collecting whirligig, the injection area after purging injection rotates to denitration region,
And denitration is carried out to the flue gas into denitration dust collecting pipe in the denitration region；
By turning clockwise for denitration dust collecting whirligig, dedusting area, injection area and the work of denitration region alternate cycles.
Using the NO_x Reduction by Effective dust removal integrated plant and its using method of above-mentioned technical proposal, including dedusting area, denitration
Area and injection area, these three regions are mutually separated with dividing plate.The denitrating and integrating apparatus turn clockwise.Coal-fired flue-gas
The dedusting area of denitration dust collecting whirligig is entered through blower fan, the most dust in flue gas are intercepted.Through the cigarette of dedusting
Gas enters denitration region, and denitration is carried out in the presence of catalyst.Flue gas after denitration discharges denitration dust collecting whirligig.It is de-
By rotation, dedusting area progressively rotates to injection area to nitre dedusting whirligig, and intercepted absorption is made in denitration dust collecting by purging
Dust on whirligig is eliminated.Region after through being blown area's purging, by the rotation of device, progressively rotates to denitration
Area.By turning clockwise for denitration dust collecting whirligig, dedusting area, injection area and the work of denitration region alternate cycles.
The present invention is to carry out denitration again after dedusting, and the flue dust that the flue gas in Benitration reactor of so entering contains is very
It is few, impact can not resulted on the activity of catalyst, so as to not interfere with denitration efficiency.
In sum, the present invention is that one kind is carried out, taken off into Benitration reactor exhaust gas dust content is low, denitration dust collecting is integrated
The NO_x Reduction by Effective dust removal integrated plant of nitre efficiency high and its using method.
Description of the drawings
Fig. 1 is denitrating and integrating apparatus stereogram.
Fig. 2 is denitration dust collecting whirligig top view.
Fig. 3 is denitration dust collecting whirligig front view.
Number in figure：1- denitration dust collecting whirligigs, 2- smoke inlets, 3- blower fans, 4- exhanst gas outlets, 5- sprays are blown into
Mouthful, 6- spray flushing air outlets, 7- dedusting areas, 8- denitration regions, 9- injections area, 10- dividing plates, 11- smoke pipes, 12- denitration dust collecting pipes.
Specific embodiment
Below in conjunction with the accompanying drawings the present invention is described in further detail.
Referring to Fig. 1, Fig. 2 and Fig. 3, denitration dust collecting pipe 12, described denitration dust collecting rotation are provided with denitration dust collecting whirligig 1
One end of rotary device 1 is provided with dividing plate 10, and the end of described denitration dust collecting whirligig 1 is separated into dedusting by described dividing plate 10
Area 7, denitration region 8 and injection area 9, one end of described dedusting area 7 is connected with blower fan 3, and the other end of described dedusting area 7 leads to
Cross smoke pipe 11 to be connected with one end of described denitration region 8, the other end of described denitration region 8 is connected with exhanst gas outlet 4, described
The one end in injection area 9 is connected with injection gas entrance 5, and the other end is connected with spray flushing air outlet 6.
Referring to Fig. 1, Fig. 2 and Fig. 3, denitration dust collecting whirligig 1 turns clockwise, and flue gas passes through blower fan 3 from smoke inlet 2
Into dedusting area 7, the flue gas after dedusting carries out denitration into denitration region 8, and the flue gas Jing exhanst gas outlets 4 after denitration are discharged；
Blowing gas are entered to be blown area 9 and are purged by injection gas entrance 5, and are discharged by spray flushing air outlet 6.
Device in reference to embodiments, illustrates to method of the present invention process.
Referring to Fig. 1, Fig. 2 and Fig. 3, denitration dust collecting whirligig 1 turns clockwise.
The first step, flue gas Jing blower fans 3 are acted on, and by smoke inlet 2 dedusting area 7 of denitration dust collecting whirligig 1, flue gas are entered
During by dedusting area 7, dust is intercepted by denitration dust collecting pipe 12, and this step is completed in dedusting area 7；
Second step, the flue gas after dedusting enters the denitration dust collecting pipe 12 of denitration region 8, is taken off in the presence of catalyst
Nitre, this step is carried out in denitration region 8；
3rd step, with turning clockwise for denitration dust collecting whirligig 1, the dedusting area 7 that intercepting has dust rotates to spray
Area 9 is blown, by being blown the denitration dust collecting pipe 12 in 5 pairs of injection areas 9 of gas entrance purging injection is carried out, make to be attached to denitration dust collecting rotation
Dust releasing Jing spray flushing air outlets 6 on the denitration dust collecting pipe 12 of device 1 are discharged；
4th step, with the rotation of denitration dust collecting whirligig 1, the injection area 9 after purging injection rotates to denitration
Area 8, and carry out denitration in 8 pairs of flue gases into denitration dust collecting pipe 12 of the denitration region；
By turning clockwise for denitration dust collecting whirligig 1, dedusting area 7, injection area 9 and the alternate cycles work of denitration region 8
Make.
With reference to Fig. 3, the method for work of specific illustrative embodiment dedusting, denitration and injection is as follows：
Flue gas enters denitration dust collecting whirligig 1 from the bottom of denitration dust collecting whirligig 1, and flue gas is revolved by denitration dust collecting
During rotary device 1, dust is intercepted by denitration dust collecting pipe 12, and the dust fractions of interception are attached on denitration dust collecting pipe 12, after dedusting
Flue gas enters denitration region 8 from the top of denitration region 8, and blowing gas are entered from the top in the injection area 9 of denitration dust collecting whirligig 1
Injection area 9, injection area 9 is attached with the dust removing tube 12 of dust after injection, and the dust Jing injections of absorption are intercepted on dust removing tube 12
Come off, discharge from the lower section of injection area 9.
Claims (2)
1. a kind of NO_x Reduction by Effective dust removal integrated plant, is characterized in that：Denitration dust collecting pipe is provided with denitration dust collecting whirligig (1)
(12) one end of, described denitration dust collecting whirligig (1) is provided with dividing plate (10), and described dividing plate (10) removes described denitration
The end of dancing dervish rotary device (1) is separated into dedusting area (7), denitration region (8) and injection area (9), and the one of described dedusting area (7)
End is connected with blower fan (3), and the other end of described dedusting area (7) is connected by smoke pipe (11) with one end of described denitration region (8)
Connect, the other end of described denitration region (8) is connected with exhanst gas outlet (4), and the one end in described injection area (9) is connected with injection gas
Entrance (5), the other end is connected with spray flushing air outlet (6).
2. the method that usage right requires the NO_x Reduction by Effective dust removal integrated plant described in 1, is characterized in that：Denitration dust collecting rotating dress
Put 1 to turn clockwise；
The first step, flue gas Jing fan actions enter the dedusting area of denitration dust collecting whirligig by smoke inlet, and flue gas passes through dedusting
Qu Shi, dust is intercepted by denitration dust collecting pipe, and this step is completed in dedusting area；
Second step, the flue gas after dedusting enters the denitration dust collecting pipe of denitration region, and denitration, this step are carried out in the presence of catalyst
Carry out in denitration region；
3rd step, with turning clockwise for denitration dust collecting whirligig, the dedusting area that intercepting has dust rotates to injection area, leads to
Cross injection gas entrance carries out purging injection to the denitration dust collecting pipe for being blown area, removes the denitration for being attached to denitration dust collecting whirligig
Dust releasing Jing spray flushing air outlets on dirt pipe are discharged；
4th step, with the rotation of denitration dust collecting whirligig 1, the injection area 9 after purging injection rotates to denitration region, and
Denitration is carried out to the flue gas into denitration dust collecting pipe in the denitration region；
By turning clockwise for denitration dust collecting whirligig, dedusting area, injection area and the work of denitration region alternate cycles.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218752.0A CN106621579B (en) | 2016-12-26 | 2016-12-26 | A kind of NO_x Reduction by Effective dust removal integrated plant and its application method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611218752.0A CN106621579B (en) | 2016-12-26 | 2016-12-26 | A kind of NO_x Reduction by Effective dust removal integrated plant and its application method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106621579A true CN106621579A (en) | 2017-05-10 |
| CN106621579B CN106621579B (en) | 2019-05-03 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201611218752.0A Active CN106621579B (en) | 2016-12-26 | 2016-12-26 | A kind of NO_x Reduction by Effective dust removal integrated plant and its application method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092007A (en) * | 2018-10-23 | 2018-12-28 | 郴州市金贵银业股份有限公司 | A kind of Flue Gas of Nonferrous Smelting recycling arsenic integrated apparatus and extracting method |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474895A (en) * | 2014-12-02 | 2015-04-01 | 东南大学 | Device and method for online regenerating low-temperature denitration catalyst by rotary fixed bed |
| CN204563932U (en) * | 2015-04-23 | 2015-08-19 | 北京沃太斯环保科技发展有限公司 | A kind of foul gas processing unit |
| CN105890143A (en) * | 2015-01-19 | 2016-08-24 | 陈�光 | Air purifier used for embedded air conditioner |
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2016
- 2016-12-26 CN CN201611218752.0A patent/CN106621579B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104474895A (en) * | 2014-12-02 | 2015-04-01 | 东南大学 | Device and method for online regenerating low-temperature denitration catalyst by rotary fixed bed |
| CN105890143A (en) * | 2015-01-19 | 2016-08-24 | 陈�光 | Air purifier used for embedded air conditioner |
| CN204563932U (en) * | 2015-04-23 | 2015-08-19 | 北京沃太斯环保科技发展有限公司 | A kind of foul gas processing unit |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109092007A (en) * | 2018-10-23 | 2018-12-28 | 郴州市金贵银业股份有限公司 | A kind of Flue Gas of Nonferrous Smelting recycling arsenic integrated apparatus and extracting method |
| CN109092007B (en) * | 2018-10-23 | 2021-06-11 | 郴州市金贵银业股份有限公司 | Integrated device for recycling arsenic from nonferrous smelting flue gas and extraction method |
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| Publication number | Publication date |
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| CN106621579B (en) | 2019-05-03 |
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