CN104785096A - Two-section type active coke/charcoal desulfurization and denitration integrated tower and desulfurization and denitration system - Google Patents
Two-section type active coke/charcoal desulfurization and denitration integrated tower and desulfurization and denitration system Download PDFInfo
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- CN104785096A CN104785096A CN201510150171.7A CN201510150171A CN104785096A CN 104785096 A CN104785096 A CN 104785096A CN 201510150171 A CN201510150171 A CN 201510150171A CN 104785096 A CN104785096 A CN 104785096A
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Abstract
The invention discloses a two-section type active coke/charcoal desulfurization and denitration integrated tower and a desulfurization and denitration system and mainly solves the problem that a desulfurization and denitration device needs to be stopped during the replacement of active coke/charcoal in the prior art. The integrated tower sequentially comprises a charging buffer bin, a first reaction bin, a second reaction bin and a discharging buffer bin from top to bottom, wherein a material delivery valve is arranged between the first reaction bin and the second reaction bin; a tower body further comprises a raw flue gas charging box, a pure flue gas discharging box and a united gas box; the raw flue gas charging box and the pure flue gas discharging box are connected to the side wall of the same side of the tower body; the united gas box is connected to the side wall of the other side of the tower body; a first ventilated material baffle and a third ventilated material baffle are positioned in the pure flue gas discharging box and the raw flue gas charging box respectively; a second ventilated material baffle and the third ventilated material baffle are positioned in the united gas box respectively. Under the action of gravity, the active coke/charcoal slowly moves from top to bottom, the aims of continuous charging and discharging are achieved, the desulfurization and denitration operation can be continuously carried out, the active coke/charcoal is replaced without shutdown, a standby tower is not needed, and the investment is reduced.
Description
Technical field
The present invention relates to a kind of two-part activated coke/charcoal desulphurization denitration integrated tower and system for desulfuration and denitration.
Background technology
At present for the desulphurization denitration of flue gas, there is employing one tower fixing activated coke/layer of charcoal desulfuring and denitrifying apparatus, also have and to adopt point tower fixing activated coke/layer of charcoal desulfuring and denitrifying apparatus, the total shortcoming of two kinds of desulfuring and denitrifying apparatus is exactly: when replacing activated coke/charcoal, need this tower of stopping transport, in order to not stop the operation of desulphurization denitration work, needing stand-by still, adding investment.
In addition, the denitration effect of a tower fixing activated coke/layer of charcoal desulfuring and denitrifying apparatus is bad, does not even almost have denitration function.
Summary of the invention
For the problems referred to above, the invention provides a kind of two-part activated coke/charcoal desulphurization denitration integrated tower and system for desulfuration and denitration, to solve in prior art the problem of desulfuring and denitrifying apparatus of must stopping transport when changing activated coke/charcoal.
For achieving the above object, two-part activated coke of the present invention/charcoal desulphurization denitration integrated tower, comprise the tower body that activated coke/charcoal is housed, described tower body is followed successively by reinforced buffering chamber, the first reaction warehouse, the second reaction warehouse and discharging buffering chamber from top to bottom, is provided with feeding valve between described first reaction warehouse and the second reaction warehouse; A described tower body also comprises the connection gas tank being connected to former flue gas inlet box on the same side sidewall of tower body and neat stress fumer and being connected on the opposite side sidewall of tower body; On described first reaction warehouse, the part of two lateral walls is respectively the first ventilative striker plate, the second ventilative striker plate, on described second reaction warehouse, the part of two lateral walls is respectively the 3rd ventilative striker plate, the 4th ventilative striker plate, described first ventilative striker plate, the 3rd ventilative striker plate lay respectively in described neat stress fumer, former flue gas inlet box, and the described second ventilative striker plate and the 3rd ventilative striker plate are all positioned at described gas tank.
Inventive desulfurization denitrating system, comprise at least two above-mentioned two-part activated coke/charcoal desulphurization denitration integrated towers, each described two-part activated coke/charcoal desulphurization denitration integrated tower is connected in parallel.
Former flue gas in former flue gas inlet box can enter in the second reaction warehouse, by the activated coke in the second reaction warehouse/charcoal desulphurization denitration by the 3rd ventilative striker plate.And with the reacted flue gas of activated coke/charcoal in the second reaction warehouse through the 4th ventilative striker plate, enter in connection gas tank, flue gas moves from bottom to up, then by the second ventilative striker plate, enter in the first reaction warehouse, react with the activated coke/charcoal in the first reaction warehouse, flue gas again after desulphurization denitration obtains effectively purification becomes neat stress, neat stress is entered in neat stress fumer by the first ventilative striker plate, is finally discharged, completes the out of stock work of desulfurization of flue gas.Activated coke/charcoal slowly moves from top to bottom due to the effect of gravity in above process, achieves continuous charging and discharging, can carry out desulphurization denitration work continuously, and carry out replacing activated coke/charcoal without the need to shutting down, also do not need stand-by still, saved investment.
Accompanying drawing explanation
Fig. 1 is the structural representation of two-part of the present invention activated coke/charcoal desulphurization denitration integrated tower;
Fig. 2 is the side view of Fig. 1;
Detailed description of the invention
Below in conjunction with Figure of description, the present invention will be further described.
Embodiment 1
The present embodiment provides a kind of two-part activated coke/charcoal desulphurization denitration integrated tower, this integrated tower comprises the tower body that activated coke/charcoal is housed, described tower body is followed successively by reinforced buffering chamber 1, first reaction warehouse 3, second reaction warehouse 5 and discharging buffering chamber 7 from top to bottom, is provided with feeding valve 4 between described first reaction warehouse and the second reaction warehouse.
Activated coke/charcoal in reinforced buffering chamber enters the first reaction warehouse, and the feeding valve between the first reaction warehouse and the second reaction warehouse reaches in the second reaction warehouse, then is discharged in discharging buffering chamber, is finally discharged.Said process is the motion process of activated coke/charcoal, in fact in reinforced buffering chamber, the first reaction warehouse, the second reaction warehouse and discharging buffering chamber, has activated coke/charcoal all the time, and activated coke/charcoal slowly moves from top to bottom due to the effect of gravity.Visible, the tower body that the present embodiment provides is continuous charging and discharging, can realize continuous desulfurization denitration work, and carries out replacing activated coke/charcoal without the need to shutting down, and does not also need stand-by still, has saved investment.
A described tower body also comprises the connection gas tank 10 being connected to former flue gas inlet box 9 on the same side sidewall of tower body and neat stress fumer 8 and being connected on the opposite side sidewall of tower body.
Described first reaction warehouse and two lateral walls on the second reaction warehouse form by ventilative striker plate and the housing that is connected with the upper and lower end of ventilative striker plate, and ventilative striker plate is only a part for sidewall.Should be appreciated that housing is air-locked, the two side of described first reaction warehouse and the second reaction warehouse is only made up of housing in addition.Mark 33 is the housing in the above-mentioned two lateral walls of the first reaction warehouse, and mark 53 is the housing of the above-mentioned two lateral walls of the second reaction warehouse.The gas permeable barrier that wherein the ventilative striker plate of the two lateral walls of the first reaction warehouse 3 is respectively the two lateral walls of ventilative striker plate 32, second reaction warehouse 5 of the first ventilative striker plate 31, second is respectively the 3rd ventilative striker plate 51, the 4th ventilative striker plate 52.That is, on described first reaction warehouse, the part of two lateral walls is respectively the first ventilative striker plate, the second ventilative striker plate, and on described second reaction warehouse, the part of two lateral walls is respectively the 3rd ventilative striker plate, the 4th ventilative striker plate.
Described first ventilative striker plate is positioned at described neat stress fumer, and the 3rd ventilative striker plate is positioned at former flue gas inlet box, and the described second ventilative striker plate and the 3rd ventilative striker plate are all positioned at described gas tank.Like this, the former flue gas in former flue gas inlet box can enter in the second reaction warehouse, by the activated coke in the second reaction warehouse/charcoal desulphurization denitration by the 3rd ventilative striker plate.And with the reacted flue gas of activated coke/charcoal in the second reaction warehouse through the 4th ventilative striker plate, enter in connection gas tank, flue gas moves from bottom to up, then by the second ventilative striker plate, enter in the first reaction warehouse, react with the activated coke/charcoal in the first reaction warehouse, flue gas again after desulphurization denitration obtains effectively purification becomes neat stress, neat stress is entered in neat stress fumer by the first ventilative striker plate, is finally discharged, completes the out of stock work of desulfurization of flue gas.
Embodiment 2
The present embodiment, on the basis of above-described embodiment 1, improves further:
Individual layer multiple row star-like post roller charging valve 2 is provided with between described reinforced buffering chamber and the first reaction warehouse, the described feeding valve 4 be provided with between described discharging buffering chamber and the second reaction warehouse between individual layer multiple row star-like post roller discharge valve 6, first reaction warehouse and the second reaction warehouse is double-deck multiple row star-like post roller trapping feeding valve.
By regulating the rotary speed of the star-like roller of above-mentioned each valve, realizing the slow continuous feed of activated coke/charcoal, material conveying and discharging, i.e. the conveying capacity of adjustable activated coke/charcoal, also having completely cut off extraneous air simultaneously as far as possible.Feeding valve adopts double-deck multiple row star-like post roller trapping feeding valve, its objective is the air circulation between isolated first reaction warehouse and the second reaction warehouse, flue gas is avoided directly to enter the first reaction warehouse from the second reaction warehouse by feeding valve, the flue gas that it also avoid in the first reaction warehouse gets back to the second reaction warehouse again through feeding valve, stop collaborating between the first reaction warehouse and the second reaction warehouse, avoid flue gas to form short circuit.
Embodiment 3
The present embodiment, on the basis of above-described embodiment 1, improves further:
Ammonia injection apparatus 11 is provided with between second of first reaction warehouse ventilative striker plate and the 4th ventilative striker plate of the second reaction warehouse in described gas tank.Like this, entered flue gas in connection gas tank before entering the first reaction warehouse by the 4th ventilative striker plate, the ammonia sprayed with ammonia injection apparatus mixes, after mixing, again through the desulphurization denitration of the first reaction warehouse, improve denitrification efficiency, especially denitration efficiency.
Further improvement to technique scheme: the top of described ammonia injection apparatus is provided with air-flow evenly mixing device 12.After flue gas and ammonia mix, air-flow evenly mixing device makes flue gas and ammonia mix, and further increases the efficiency of desulphurization denitration.
Embodiment 4
The present embodiment, on the basis of embodiment 1, improves further:
Described first ventilative striker plate, the second ventilative striker plate, the 3rd ventilative striker plate, the 4th ventilative striker plate are blinds striker plate.
Present embodiments provide the concrete form of ventilative striker plate, blinds striker plate is relative to the striker plate of general ventilative cellular type, and permeability will be got well.
Embodiment 5
The present embodiment, on the basis of embodiment 1, improves further:
Be provided with air inlet homogenizing plate 91 between described former flue gas inlet box 9 and the second reaction warehouse 5, between described neat stress fumer 8 and described first reaction warehouse 3, be provided with exhaust homogenizing plate 81.
Flue gas, before entering the second reaction warehouse, first through air inlet homogenizing plate, carries out uniform divided flows to flue gas, improves denitrification efficiency.Flue gas after purification, before entering neat stress fumer, first through exhaust homogenizing plate, is shunted flue gas, flue gas is evenly discharged.
Embodiment 6
The present embodiment provides a kind of system for desulfuration and denitration, and this system for desulfuration and denitration comprises arbitrary described two-part activated coke/charcoal desulphurization denitration integrated tower in above-described embodiment 1-5, and two-part activated coke/charcoal desulphurization denitration integrated tower is for being connected in parallel.Integrated tower in parallel is more, can the amount of smoke treatment larger.
Should be appreciated that technical characteristic in various embodiments of the present invention and embodiment is on the basis of not conflicting, can be combined, the technical scheme after combination is still within protection scope of the present invention.
Above; be only preferred embodiment of the present invention, but protection scope of the present invention is not limited thereto, is anyly familiar with those skilled in the art in the technical scope that the present invention discloses; the change that can expect easily or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should define with claim is as the criterion.
Claims (7)
1. two-part activated coke/charcoal desulphurization denitration integrated tower, it is characterized in that: comprise the tower body that activated coke/charcoal is housed, described tower body is followed successively by reinforced buffering chamber, the first reaction warehouse, the second reaction warehouse and discharging buffering chamber from top to bottom, is provided with feeding valve between described first reaction warehouse and the second reaction warehouse;
A described tower body also comprises the connection gas tank being connected to former flue gas inlet box on the same side sidewall of tower body and neat stress fumer and being connected on the opposite side sidewall of tower body;
On described first reaction warehouse, the part of two lateral walls is respectively the first ventilative striker plate, the second ventilative striker plate, on described second reaction warehouse, the part of two lateral walls is respectively the 3rd ventilative striker plate, the 4th ventilative striker plate, described first ventilative striker plate, the 3rd ventilative striker plate lay respectively in described neat stress fumer, former flue gas inlet box, and the described second ventilative striker plate and the 3rd ventilative striker plate are all positioned at described gas tank.
2. two-part activated coke according to claim 1/charcoal desulphurization denitration integrated tower, it is characterized in that: between described reinforced buffering chamber and the first reaction warehouse, be provided with individual layer multiple row star-like post roller charging valve, be provided with individual layer multiple row star-like post roller discharge valve between described discharging buffering chamber and the second reaction warehouse, the described feeding valve between the first reaction warehouse and the second reaction warehouse is double-deck multiple row star-like post roller trapping feeding valve.
3. two-part activated coke according to claim 1/charcoal desulphurization denitration integrated tower, is characterized in that: be provided with ammonia injection apparatus between second of the first reaction warehouse the ventilative striker plate and the 4th ventilative striker plate of the second reaction warehouse in described gas tank.
4. two-part activated coke according to claim 3/charcoal desulphurization denitration integrated tower, is characterized in that: the top of described ammonia injection apparatus is provided with air-flow evenly mixing device.
5. two-part activated coke according to claim 1/charcoal desulphurization denitration integrated tower, is characterized in that: the described first ventilative striker plate, the second ventilative striker plate, the 3rd ventilative striker plate, the 4th ventilative striker plate are blinds striker plate.
6. two-part activated coke according to claim 1/charcoal desulphurization denitration integrated tower, it is characterized in that: be provided with air inlet homogenizing plate between described former flue gas inlet box and the second reaction warehouse, between described neat stress fumer and described first reaction warehouse, be provided with exhaust homogenizing plate.
7. a system for desulfuration and denitration, comprise at least two arbitrary described two-part activated coke/charcoal desulphurization denitration integrated towers of claim 1-6, each described two-part activated coke/charcoal desulphurization denitration integrated tower is connected in parallel.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510150171.7A CN104785096B (en) | 2015-03-31 | 2015-03-31 | Two-part activated coke/charcoal desulphurization denitration integrated tower and system for desulfuration and denitration |
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| CN201510150171.7A CN104785096B (en) | 2015-03-31 | 2015-03-31 | Two-part activated coke/charcoal desulphurization denitration integrated tower and system for desulfuration and denitration |
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| CN104785096B CN104785096B (en) | 2017-05-31 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105056920A (en) * | 2015-07-24 | 2015-11-18 | 中冶华天工程技术有限公司 | Embedded smoke pipe heating-cooling active carbon/coke regeneration integrated tower |
| CN105056919A (en) * | 2015-07-24 | 2015-11-18 | 中冶华天工程技术有限公司 | Vertical oval charge pipe activated charcoal/coke regeneration integrated tower |
| CN108607346A (en) * | 2018-05-21 | 2018-10-02 | 中冶华天工程技术有限公司 | Parallel active coke dry-method desulfuration denitrating system |
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| JPS58166922A (en) * | 1982-03-30 | 1983-10-03 | Sumitomo Heavy Ind Ltd | Desulfurizing and denitrating method |
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| CN204543986U (en) * | 2015-03-31 | 2015-08-12 | 中冶华天工程技术有限公司 | Two-part activated coke/charcoal desulphurization denitration integrated tower and system for desulfuration and denitration |
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| JPS58166922A (en) * | 1982-03-30 | 1983-10-03 | Sumitomo Heavy Ind Ltd | Desulfurizing and denitrating method |
| JPH06210139A (en) * | 1993-01-13 | 1994-08-02 | Sumitomo Heavy Ind Ltd | Waste gas treatment |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105056920A (en) * | 2015-07-24 | 2015-11-18 | 中冶华天工程技术有限公司 | Embedded smoke pipe heating-cooling active carbon/coke regeneration integrated tower |
| CN105056919A (en) * | 2015-07-24 | 2015-11-18 | 中冶华天工程技术有限公司 | Vertical oval charge pipe activated charcoal/coke regeneration integrated tower |
| CN105056919B (en) * | 2015-07-24 | 2018-02-13 | 中冶华天工程技术有限公司 | Vertical elliptical expects pipe activated carbon/Jiao regenerates integrated tower |
| CN105056920B (en) * | 2015-07-24 | 2018-02-13 | 中冶华天工程技术有限公司 | Buried smoke pipe heating cooling activated carbon/Jiao regenerates integrated tower |
| CN108607346A (en) * | 2018-05-21 | 2018-10-02 | 中冶华天工程技术有限公司 | Parallel active coke dry-method desulfuration denitrating system |
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Address after: Jianye District of Nanjing City, Jiangsu province 210019 the Fuchun River Street No. 18 Patentee after: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC Address before: 243005 No. 699 West Hunan Road, Anhui, Ma'anshan Patentee before: HUATIAN ENGINEERING & TECHNOLOGY CORPORATION, MCC |