CN104771998A - Spray device for eliminating sudden incidents of desulfurization tower - Google Patents
Spray device for eliminating sudden incidents of desulfurization tower Download PDFInfo
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- CN104771998A CN104771998A CN201510128304.0A CN201510128304A CN104771998A CN 104771998 A CN104771998 A CN 104771998A CN 201510128304 A CN201510128304 A CN 201510128304A CN 104771998 A CN104771998 A CN 104771998A
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- hydraulic giant
- desulfurizing tower
- accident
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- efficient hydraulic
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Abstract
The invention discloses a spray device for eliminating sudden incidents of a desulfurization tower. The spray device includes a plurality of efficient water guns disposed in a flue on one side of the desulfurization tower and at a same layer, and the nozzles of the efficient water guns are towards the desulfurization tower. The spray device provided by the invention has the characteristics of high cooling efficiency, low water consumption and convenient maintenance, and can be widely applied in the coal fired power generation field.
Description
Technical field
The present invention relates to coal fired power generation, particularly relate to a kind of spray equipment eliminating desulfurizing tower accident.
Background technology
Coal-fired power plant uses coal to generate electricity, and the sulphur (S) that coal includes can form sulfur dioxide (SO in the process of coal burning
2), if sulfur dioxide of leaving with fume emission in air, Acid rain damages environment can be formed.Therefore, modern coal-fired power plant is all required to install flue gas desulfur device, and there is plastic assembly and the composite material assembly of a large amount of non-refractory in desulfurizer, time normal, has desulfurization slurry at spraying cooling in desulfurizing tower, can protect these desulfurization module well.But when spray break down, boiler smoke temperature abnormality and Initial Stage after Ignition oil smoke large time, depend on the desulfurizing tower by-pass damper that desulfurizing tower is gone into operation in early days, now open by-pass damper, allow high-temperature flue gas short circuit from bypass ring off, thus high-temperature flue gas can be avoided to damage the components and parts of non-refractory in desulfurizing tower.But along with the raising of national environmental standard, new desulfurizing tower no longer allows to arrange by-pass damper, also will removing and shutoff in 2015 of existing bypass.Like this; once bypass is cancelled or shutoff; components and parts in desulfurizing tower will lose the most reliable protective barrier together; when there is the abnormal overtemperature of flue-gas temperature or slush pump full cut-off in boiler; because none-disk terminal can be opened, high-temperature flue gas will form fatal security threat to the anticorrosive coat in desulfurization island, FRP pipeline, demist prototype part.How to solve this difficult problem, arrive instant stage.
Summary of the invention
The object of the invention is the deficiency in order to overcome above-mentioned background technology, a kind of spray equipment eliminating desulfurizing tower accident is provided, have the advantages that cooling efficiency is high, water consumption is low, easy to maintenance.
A kind of spray equipment eliminating desulfurizing tower accident provided by the invention, comprise many and be arranged at the efficient hydraulic giant that desulfurizing tower side flue is interior, be arranged in same layer, the shower nozzle of described efficient hydraulic giant is towards desulfurizing tower.
In technique scheme, the efficient hydraulic giant of every root all overlaps outward coaxial hydraulic giant sleeve pipe arranged with it, and described hydraulic giant sleeve pipe is fixed on flue sidewall, and the efficient hydraulic giant of every root passes through joint seal of flanges with corresponding hydraulic giant sleeve pipe.
In technique scheme, the shower nozzle of described efficient hydraulic giant protrudes from hydraulic giant cannula tip.
In technique scheme, described efficient hydraulic giant is presented lower multilayer and is arranged side by side.
In technique scheme, described efficient hydraulic giant is upper and lower 3 layers of layout.
In technique scheme, each floor height effect hydraulic giant from top to bottom length shortens gradually.
In technique scheme, the flange side of the efficient hydraulic giant of same layer is provided with inspection platform.
The present invention eliminates the spray equipment of desulfurizing tower accident, there is following beneficial effect: atomization grain footpath≤50 μm of the efficient hydraulic giant in the present invention, have flash evapn, cooling rapidly, cooling efficiency is high, water consumption is low feature, and not there is wet the end, not wet the advantage of wall; When raise at cigarette temperature abnormality and slush pump full cut-off, this spray equipment carries out fast cooling by efficient hydraulic giant to the flue internal spraying of desulfurizing tower, thus reaches the object of components and parts in protection desulfurizing tower.Meanwhile, by arranging hydraulic giant sleeve pipe, flange and inspection platform, efficient hydraulic giant can be made to be checked in time and safeguard, keeping Plant in good condition, increasing substantially the reliability of equipment.
Accompanying drawing explanation
Fig. 1 is the structural representation that the present invention eliminates the spray equipment of desulfurizing tower accident.
Detailed description of the invention
Below in conjunction with drawings and Examples, the present invention is described in further detail, but this embodiment should not be construed as limitation of the present invention.
See Fig. 1, the present invention eliminates the spray equipment of desulfurizing tower accident, and comprise many and be arranged at the efficient hydraulic giant 3 that desulfurizing tower 8 side flue 1 is interior, be arranged in same layer, the shower nozzle 6 of described efficient hydraulic giant 3 is towards desulfurizing tower 8.
Outer all overlap of the efficient hydraulic giant of every root 3 has coaxial hydraulic giant sleeve pipe 2 arranged with it, and described hydraulic giant sleeve pipe 2 is fixed on flue 1 sidewall, and the efficient hydraulic giant of every root 3 and corresponding hydraulic giant sleeve pipe 2 pass through flange 4 and connect and seal.
The shower nozzle 6 of described efficient hydraulic giant 3 protrudes from hydraulic giant sleeve pipe 2 end.
Described efficient hydraulic giant 3 is arranged side by side in upper and lower multilayer, and in the present embodiment, described efficient hydraulic giant 3 is upper and lower 3 layers of layout.Each floor height effect hydraulic giant 3 from top to bottom length shortens gradually.
Flange 4 side of the efficient hydraulic giant 3 of same layer is provided with inspection platform 5.
The present invention eliminates operation and the principle of the spray equipment of desulfurizing tower accident:
Boiler (not shown) burning coal produces containing sulfur dioxide (SO
2) flue gas, described flue gas is entered the elbow flue of desulfurizing tower 8 side by flue 1 along the direction of arrow in figure, arranging multiplayer, every layer of some efficient hydraulic giant 3 in elbow flue.The efficient hydraulic giant 3 of every root inserts hydraulic giant sleeve pipe 2 vertically; efficient hydraulic giant 3 carries out joint and seal with hydraulic giant sleeve pipe 2 by flange 4; the shower nozzle 6 of efficient hydraulic giant 3 stretches out from hydraulic giant sleeve pipe 2; in the state of accident; efficient hydraulic giant 3 starts to spray water and is formed and is atomized into fog-zone 7; multilayer fog-zone 7 is overlapped carries out spraying cooling to cover whole flue 1 pair of flue gas, the components and parts in protection desulfurizing tower 8.In boiler running process, attendant is safeguarded efficient hydraulic giant 3 by inspection platform 5, efficient hydraulic giant 3 is released by the efficient hydraulic giant of dismounting 3 and the adpting flange 4 of hydraulic giant sleeve pipe 2 and is carried out maintenance and clear up by maintenance personal one by one, after safeguarding that cleaning completes, one by one efficient hydraulic giant 3 is inserted in hydraulic giant sleeve pipe 2 again, and hydraulic giant sleeve pipe 2 is fastening good with the adpting flange 4 of efficient hydraulic giant 3, complete the maintenance liquidation procedures of an efficient hydraulic giant 3.
Efficient hydraulic giant 3 both can be arranged to individual layer arrangement, can also adopt the arrangement of multi-layer efficient hydraulic giant 3, and the flue 1 for different cross-sectional carries out all standing spraying, made fog-zone 7 can meet the spray requirement of flue 1 completely.Especially invention additionally uses the efficient hydraulic giant 3 of exerting oneself large and sprays, it is exerted oneself and reaches 7000Kg/h, atomizing particle degree SMD < 50 μm, far above the technical merit of spray spout 200 ~ 300 μm of atomizing particle degree of domestic and international other types, therefore evaporative cooling efficiency also reach more than 99%, far above the level of the evaporation efficiency 20 ~ 30% of conventional nozzle, in same cooling extent situation, water consumption only has 20 ~ 30% of conventional nozzle.And efficient hydraulic giant 3 is inserted by the center of hydraulic giant sleeve pipe 2, the accurate location of convenience and high-efficiency hydraulic giant 3.Arranging of inspection platform 5 realizes on-line maintenance function simultaneously, also facilitates maintenance, not only significantly improves the reliability of equipment, also reduce maintenance cost.
Obviously, those skilled in the art can carry out various change and modification to the present invention and not depart from the spirit and scope of the present invention.Like this, if these amendments of the present invention and modification belong within the scope of the claims in the present invention and equivalent technologies thereof, then the present invention is also intended to comprise these change and modification.
The content be not described in detail in this description belongs to the known prior art of professional and technical personnel in the field.
Claims (7)
1. eliminate the spray equipment of desulfurizing tower accident for one kind, it is characterized in that: comprise many and be arranged at the efficient hydraulic giant (3) that desulfurizing tower (8) side flue (1) is interior, be arranged in same layer, the shower nozzle (6) of described efficient hydraulic giant (3) is towards desulfurizing tower (8).
2. the spray equipment of elimination desulfurizing tower according to claim 1 accident, it is characterized in that: every efficient hydraulic giant of root (3) all overlaps outward and has coaxial hydraulic giant sleeve pipe (2) arranged with it, described hydraulic giant sleeve pipe (2) is fixed on flue (1) sidewall, and the efficient hydraulic giant of every root (3) and corresponding hydraulic giant sleeve pipe (2) are connected by flange (4) and seal.
3. the spray equipment of elimination desulfurizing tower according to claim 2 accident, is characterized in that: the shower nozzle (6) of described efficient hydraulic giant (3) protrudes from hydraulic giant sleeve pipe (2) end.
4. the spray equipment of elimination desulfurizing tower according to any one of claim 1 to 3 accident, is characterized in that: described efficient hydraulic giant (3) is arranged side by side in upper and lower multilayer.
5. the spray equipment of elimination desulfurizing tower according to claim 4 accident, is characterized in that: described efficient hydraulic giant (3) is upper and lower 3 layers of layout.
6. the spray equipment of elimination desulfurizing tower according to claim 5 accident, is characterized in that: each floor height effect hydraulic giant (3) from top to bottom length is shortened gradually.
7. the spray equipment of elimination desulfurizing tower according to any one of claim 1 to 3 accident, is characterized in that: flange (4) side of the efficient hydraulic giant of same layer (3) is provided with inspection platform (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128304.0A CN104771998A (en) | 2015-03-23 | 2015-03-23 | Spray device for eliminating sudden incidents of desulfurization tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510128304.0A CN104771998A (en) | 2015-03-23 | 2015-03-23 | Spray device for eliminating sudden incidents of desulfurization tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104771998A true CN104771998A (en) | 2015-07-15 |
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ID=53613956
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510128304.0A Pending CN104771998A (en) | 2015-03-23 | 2015-03-23 | Spray device for eliminating sudden incidents of desulfurization tower |
Country Status (1)
| Country | Link |
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| CN (1) | CN104771998A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968750A1 (en) * | 1994-04-11 | 2000-01-05 | Mitsubishi Jukogyo Kabushiki Kaisha | Gas-liquid contacting apparatus |
| JP2010115602A (en) * | 2008-11-13 | 2010-05-27 | Babcock Hitachi Kk | Two-step wet desulfurization method and apparatus |
| CN203540324U (en) * | 2013-11-08 | 2014-04-16 | 青岛华拓科技股份有限公司 | Spraying device for complete coverage accident of inlet flue of desulfurizing tower |
| CN204177213U (en) * | 2014-09-30 | 2015-02-25 | 北京矿冶研究总院 | Emergency cooling water gun for kiln |
| CN204601936U (en) * | 2015-03-23 | 2015-09-02 | 武汉奇斯科技有限公司 | A kind of spray equipment eliminating desulfurizing tower accident |
-
2015
- 2015-03-23 CN CN201510128304.0A patent/CN104771998A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0968750A1 (en) * | 1994-04-11 | 2000-01-05 | Mitsubishi Jukogyo Kabushiki Kaisha | Gas-liquid contacting apparatus |
| JP2010115602A (en) * | 2008-11-13 | 2010-05-27 | Babcock Hitachi Kk | Two-step wet desulfurization method and apparatus |
| CN203540324U (en) * | 2013-11-08 | 2014-04-16 | 青岛华拓科技股份有限公司 | Spraying device for complete coverage accident of inlet flue of desulfurizing tower |
| CN204177213U (en) * | 2014-09-30 | 2015-02-25 | 北京矿冶研究总院 | Emergency cooling water gun for kiln |
| CN204601936U (en) * | 2015-03-23 | 2015-09-02 | 武汉奇斯科技有限公司 | A kind of spray equipment eliminating desulfurizing tower accident |
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| C06 | Publication | ||
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150715 |