CN203355597U - Efficiency enhancement device for desulfurizing absorption tower - Google Patents
Efficiency enhancement device for desulfurizing absorption tower Download PDFInfo
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- CN203355597U CN203355597U CN 201320363082 CN201320363082U CN203355597U CN 203355597 U CN203355597 U CN 203355597U CN 201320363082 CN201320363082 CN 201320363082 CN 201320363082 U CN201320363082 U CN 201320363082U CN 203355597 U CN203355597 U CN 203355597U
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Abstract
The utility model provides an efficiency enhancement device for a desulfurizing absorption tower and belongs to the technical field of flue gas desulfurization devices. The desulfurizing absorption tower is characterized in that a group of annular hoop drum is arranged on a section below a spray layer and perpendicular to the flow direction of flue gas; a cloth gas coning plate is obliquely connected with and arranged at the upper part of each annular hoop drum; a group of liquid discharge holes distributed at intervals are formed in each cloth gas coning plate; adjacent annular hoop drums are connected through a top tight adjustment device and a top tight connecting plate component to form a connecting ring; a soft sealing component is arranged between the connecting ring and a wall plate erosion-resistant coating of the absorption tower in a matching manner; a connecting cone cover is arranged and connected between each two adjacent end parts of the cloth gas cone plates. The efficiency enhancement device for the desulfurizing absorption tower is novel in concept and reasonable in structure, and can be easily mounted according to practical situations on the scene, the outer diameter can be adjusted, the mounting process is simple and safe, a cloth gas coning body is formed by communicating multiple sections of inclined cloth gas coning plates, the flow resistance of the fuel gas is not increased, the fuel gas at the perimeter zones of the absorption tower can be redistributed, and gathers and flows to a central zone, the phenomenon of flue gas bypass in the absorption tower can be eliminated effectively, and the flue gas desulfurization efficiency of a system can be improved.
Description
Technical field
The utility model belongs to the flue gas desulfur device technical field, is specifically related to a kind of desulfuration absorbing tower enhancing device.
Background technology
The flue gas desulfur device of current domestic Large-sized Coal-fired Power group adopts lime stone-gypsum wet sulfur removal technology more than 90%, in this technique, the nucleus equipment desulfuration absorbing tower substantially all adopts the spraying type absorption structure, in specific design, construction and discovery in service, the existing spray design on absorption tower still comes with some shortcomings, and mainly is:
1) because of anticorrosion needs, the inwall on absorption tower all is provided with corrosion protective lining, for backing layer is not excessively washed away, guarantee the service life of equipment, in tower, the layout of spraying layer must be considered the protection against erosion safe spacing (approximately 1 meter) between nozzle and tower body inwall, while arranging nozzle, outermost arrangement of nozzles spacing is restricted, be difficult to cloth close, the spray coverage rate in its zone can only guarantee to reach 100% in theory, and the not restriction of the arrangement of nozzles of central area, can cloth must be closeer, the spray coverage rate of each nozzle can superpose mutually, the spray coverage rate is generally all more than 200%, because there is obvious deviation in the spray coverage rate, the regional spraying layer pressure drop that coverage rate is low is less, and flue gas is easily escaped from this zone, causes gas bypass, thereby affects the desulfuration efficiency of system,
2) due to the reason of structural configuration aspect, the nozzle majority at the edge of spraying layer is the terminal position in spray group pipe all, runner is longer, the resistance of slurry flow is larger, when system operation occur unstable, when fluctuation appears in the slurry flow in spray group pipe or pressure head, the spray spout at influenced larger edge often, the spray coverage rate of meeting further impair absorption tower neighboring area, increase the possibility of gas bypass, thereby reduce the desulfurized effect of package unit;
3) intraware of domestic existing desulfuration absorbing tower is mostly nonmetallic materials, and the tower body metal surface all is lined with the anticorrosive coats such as rubber or glass flakes, and technological transformation of device interior etc. is had to higher fire prevention and safe construction requirement.
Along with country, atmosphere pollution is administered the increasingly stringent required, Continual Improvement, further excavate the potentiality that have desulfurizer now technically, conscientiously promotes the effect that puts into operation of desulfurizer, become a kind of trend and requirement.
The utility model content
Deficiency for above-mentioned existence, the utility model provides a kind of flue gas redistribution that is arranged on the spraying layer below, can makes inner rim zone, absorption tower, to middle section, has assembled mobile desulfuration absorbing tower enhancing device technical scheme, can effectively overcome problems of the prior art.
Described desulfuration absorbing tower enhancing device, it is characterized in that in desulfuration absorbing tower, spraying layer below arranges one group of circumferential band cylinder on the cross section vertical with flue gas flow direction, each circumferential band cylinder upper angled formula connection arranges the gas distribution cone-plate, be spaced on each gas distribution cone-plate one group of outage is set, the both side ends of each circumferential band cylinder connects respectively setting and holds out against adjusting device, adjacent hold out against between adjusting device to be equipped with hold out against the connecting plate assembly, the circumferential band cylinder is by holding out against adjusting device, be equipped with and contact the soft seal assembly coordinated between the connecting ring that holds out against the connecting plate module composition and absorption tower wallboard anticorrosive coat, connect respectively between the adjacent end portion of gas distribution cone-plate to arrange and connect the cone lid.
Described desulfuration absorbing tower enhancing device, it is characterized in that it is 30 °～70 ° that described gas distribution cone-plate tilting connects the angle that is arranged on circumferential band cylinder top and horizontal plane, the width of gas distribution cone-plate is 150mm～500mm, thickness is not more than 6mm, and described connection cone lid adopts same gradient with the gas distribution cone-plate.
Described desulfuration absorbing tower enhancing device, is characterized in that described outage adopts the semicircle orifice structure.
Described desulfuration absorbing tower enhancing device, is characterized in that the described soft seal assembly outside contacts and coordinates with absorption tower wallboard anticorrosive coat, inboard with the circumferential band cylinder, hold out against the connecting plate assembly and contact and coordinate respectively.
Described desulfuration absorbing tower enhancing device, is characterized in that the upper and lower blend stop that arranges respectively of described circumferential band drum outer wall, and upper and lower blend stop inboard is touched and coordinated with soft seal assembly top, bottom gear respectively.
Described desulfuration absorbing tower enhancing device, it is characterized in that the described adjusting device that holds out against connects the inboard, end that is arranged on the circumferential band cylinder, comprise the connection cover plate that is connected, hold out against the spiral shell piece, connecting cover plate the inner is fixedly connected with by between vertically-arranged gusset and circumferential band cylinder, hold out against on the spiral shell piece to be equipped with and connect puller bolt, the binding nut coordinated, connect formation between cover plate and vertically-arranged gusset and the slot that holds out against the connecting plate modular connector and coordinate, puller bolt with hold out against the connecting plate assembly and contact and coordinate.
Described desulfuration absorbing tower enhancing device, is characterized in that the spacing between two adjacent end portions of described gas distribution cone-plate is less than the width that connects the cone lid, splices with the end of gas distribution cone-plate respectively and be connected and fixed by connecting bolt is adjustable in the two ends that connect the cone lid.
Described desulfuration absorbing tower enhancing device, the angle that it is characterized in that described gas distribution cone-plate and horizontal plane is 45 ° ± 5 °, the width of gas distribution cone-plate is 250 ± 50mm.
Described desulfuration absorbing tower enhancing device, it is characterized in that the described described connecting plate assembly that holds out against comprises connecting plate, rabbet respectively within connecting the slot formed between cover plate and circumferential band cylinder the connecting plate both sides, the outside, connecting plate middle part contacts and coordinates with the soft seal assembly, connecting plate middle part outside upper-lower position connects to arrange and a pair ofly touches with soft seal assembly gear the baffle plate coordinated respectively, and the connecting plate middle part is inboard to be connected setting and contact with puller bolt the top board coordinated.
Above-mentioned desulfuration absorbing tower enhancing device, novel, rational in infrastructure, by some sections circumferential band cylinders, the docking of gas distribution cone-plate forms, by the soft seal assembly, be fastened on the anticorrosive coat of wallboard inboard, absorption tower, can easily adjust external diameter and the docking in tower are installed according to on-site actual situations, assembling process is without getting angry, installation process is simple, safety, the multistage gas distribution cone-plate be in tilted layout is bored lid by connection and is communicated with a complete gas distribution cone of formation, can obviously not increase the flow resistance of flue gas in tower, can make the flue gas redistribution in inner rim zone, absorption tower and assemble and flow to middle section, can effectively eliminate gas bypass phenomenon in tower, the smoke desulfurization efficiency of raising system, the outage that simultaneously the gas distribution cone-plate is spaced setting can be guaranteed can discharge in time after the sprayed slurry of adherent mobile slurries and part neighboring area is collected, do not produce deposition.
The accompanying drawing explanation
Fig. 1 is the utility model structural representation;
Fig. 2 is the utility model plan structure schematic diagram;
Fig. 3 is F1 section structure enlarged diagram in Fig. 1;
Fig. 4 is F2 section structure enlarged diagram in Fig. 2;
Fig. 5 is the syndeton schematic diagram that holds out against connecting plate assembly and circumferential band cylinder shown in Fig. 4 in state, holds out against adjusting device;
Fig. 6 is A-A sectional structure chart in Fig. 2;
Fig. 7 is B-B sectional structure chart in Fig. 2;
Fig. 8 is C-C sectional structure chart in Fig. 2;
Fig. 9 is the side-looking structural representation that holds out against the connecting plate assembly shown in Fig. 5;
In figure: 1-gas distribution cone-plate, 2-circumferential band cylinder, 2a-blend stop, 3-hold out against adjusting device, 3a-vertically-arranged gusset, 3b-and connect cover plate, 3c-puller bolt, 3d-and hold out against spiral shell piece, 3e-binding nut, 4-and connect cone lid, 5-outage, 6-soft seal assembly, 7-absorption tower wallboard, 7a-absorption tower wallboard anticorrosive coat, 8-and hold out against connecting plate assembly, 8a-connecting plate, 8b-top board, 8c-baffle plate.
The specific embodiment
Now, in conjunction with Figure of description, describe the specific embodiment of the present utility model in detail:
As shown be the desulfuration absorbing tower enhancing device, on the cross section vertical with flue gas flow direction, one group of circumferential band cylinder 2 is set in desulfuration absorbing tower, below spraying layer, one group of circumferential band cylinder 2 generally adopts more than 3 sections or 3 sections and forms, and Fig. 1, Figure 2 shows that the structures that adopted 3 sections circumferential band cylinder 2 docking, each circumferential band cylinder 2 upper angled formulas connections arrange gas distribution cone-plate 1, as Fig. 1, Fig. 7, shown in Fig. 8, gas distribution cone-plate 1 is 30 °～70 ° with the angle α of horizontal plane, the width L of gas distribution cone-plate 1 is 150mm～500mm, thickness is not more than 6mm, in specific design, take and do not increase as much as possible the flow resistance of flue gas in tower as basic principle, the width L that 1 design of gas distribution cone-plate can preferentially be selected is 250 ± 50mm, thickness is 3 ± 1mm, with the angle α of horizontal plane be 45 ± 5 °, and with width L value 250mm, Thickness 3mm, 45 ° of horizontal sextant angle α values are preferred plan, be spaced respectively on each gas distribution cone-plate 1 one group of outage 5 is set simultaneously, outage 5 adopts respectively the semicircle orifice structure, its radius should not be less than 30mm, the sprayed slurry that can guarantee adherent mobile slurries and part neighboring area can be discharged after collecting in time, do not produce deposition, the both side ends of each circumferential band cylinder 2 connects respectively setting and holds out against adjusting device 3, adjacent hold out against between adjusting device 3 to be equipped with hold out against connecting plate assembly 8, hold out against the circumferential band cylinder 2 that connecting plate assembly 8 connects adjacent docking, and provide end spacing for holding out against adjusting device 3, circumferential band cylinder 2 is by holding out against adjusting device 3, hold out against connecting plate assembly 8 and form the installation connecting ring, this installation connecting ring by with absorption tower wallboard anticorrosive coat 7a between the soft seal assembly 6 contact cooperation is set is connected and is fixed on absorption tower wallboard 7 inboards, soft seal assembly 6 is main adopts the braided asbestos round packing circle formation of splicing, its outside contacts and coordinates with absorption tower wallboard anticorrosive coat 7a, inboard and circumferential band cylinder 2, hold out against connecting plate assembly 8 and contact respectively cooperation, simultaneously on circumferential band cylinder 2 outer walls, upper/lower positions arranges respectively blend stop 2a, on, under blend stop 2a inboard respectively with soft seal assembly 6 tops, the bottom gear touches and coordinates, be that circumferential band cylinder 2 outer walls connect arrange upper, lower blend stop 2a forms groove for rabbeting soft seal assembly 6, the described adjusting device 3 that holds out against connects the inboard, end that is arranged on circumferential band cylinder 2, as shown in Fig. 4, Fig. 5, Fig. 6, hold out against adjusting device 3 connection cover plate 3b, hold out against between spiral shell piece 3d and be fixedly connected with, connecting cover plate 3b the inner is fixedly connected with by between vertically-arranged gusset 3a and circumferential band cylinder 2, connect between cover plate 3b and vertically-arranged gusset 3a and form and can hold out against connecting plate assembly 8 for pegging graft from the slot of outer end insertion, this structure will hold out against the circumferential band cylinder 2 that connecting plate assembly 8 is adjacent with both sides and be connected the docking that coordinates looping hoop cylinder 2, hold out against on spiral shell piece 3d and be equipped with puller bolt 3c, the binding nut 3e connect coordinated, puller bolt 3c with hold out against connecting plate assembly 8 and contact and coordinate, hold out against the structure of connecting plate assembly 8 as Fig. 5, shown in Fig. 9, comprise connecting plate 8a, connecting plate 8a along the circumferential direction both sides rabbets respectively in the slot that connects formation between cover plate 3b and circumferential band cylinder 2 adjacent circumferential band cylinder 2 is docked, connecting plate 8a middle part radial outside contacts and coordinates with soft seal assembly 6, on the radial outside of connecting plate 8a middle part, upper/lower positions connects to arrange and a pair ofly touches with soft seal assembly 6 gears the baffle plate 8c coordinated respectively, connecting plate 8a middle part radially inner side connects setting and contacts with puller bolt 3c the top board 8b coordinated, the effect of top board 8b is spacing as the end of puller bolt 3c, adjust puller bolt 3c and can change the adjacent spacing that holds out against spiral shell piece 3d that holds out against adjusting device 3, thereby adjust circumferential band cylinder 2 by holding out against adjusting device 3, the installation that holds out against the installation connecting ring that connecting plate assembly 8 forms is direct, makes circumferential band cylinder 2 absorption tower wallboard 7 inwalls of can fully fitting, connect respectively between the adjacent end portion of gas distribution cone-plate 1 to arrange to connect to bore and cover 4, it is the breach between the adjacent two sections gas distribution cone-plates 1 of sealing that the effect of covering 4 is bored in connection, as Fig. 6, connect cone shown in Fig. 7 and cover 4 gradients same with 1 employing of gas distribution cone-plate, with the angle α of horizontal plane be 30 °～70 °, spacing H1 between two adjacent end portions of gas distribution cone-plate 1 is less than to connect and bores the width H2 that covers 4, connection is bored the two ends of covering 4 and is spliced and be connected and fixed by connecting bolt with the end of gas distribution cone-plate 1 respectively, connect cone and cover 4, bolt connecting hole on gas distribution cone-plate 1 along the circumferential direction arranges certain-length to realize gas distribution cone-plate 1, connect the adjustment that cone covers the diameter of 4 annulus that form.
In above-described embodiment, circumferential band cylinder 2, gas distribution cone-plate 1, hold out against adjusting device 3, hold out against the metalwork such as connecting plate assembly 8 and adopt the stainless steel of 316L or above grade to make, the circumferential band cylinder 2 of docking can be according to field condition and specific requirement by holding out against adjusting device 3, after holding out against connecting plate assembly 8 and connecting as one, by regulating the installation dimension that respectively holds out against the puller bolt 3c in adjusting device 3, adjust the inwall of the installation external diameter of circumferential band cylinder 2 with the absorption tower of fully fitting, after puller bolt 3c regulates and puts in place, with binding nut 3e fastening location; Soft seal assembly 6 mainly comprises braided asbestos round packing and rubber adjusting pad etc., during installation, integral body is embedded in the groove that the upper and lower blend stop 2a of the outer wall of circumferential band cylinder 2 forms, with absorption tower, wallboard anticorrosive coat 7a directly contacts, and can effectively guarantee that absorption tower wallboard anticorrosive coat 7a is injury-free; During assembling, under the adjusting that holds out against adjusting device 3, some sections circumferential band cylinders 2 by holding out against adjusting device 3, hold out against connecting plate assembly 8 and join the external diameter of the installation connecting ring of rear formation and constantly enlarge, soft seal assembly 6 is compressed and be fitted in absorption tower wallboard anticorrosive coat 7a upper, form effective sealing and be connected and fixed.
The utility model is applicable to all kinds of spray type desulfurization absorption towers, be arranged on the below of spraying layer in absorption tower, some sections circumferential band cylinders 2 by holding out against adjusting device 3, hold out against connecting plate assembly 8 and join rear formation the adjustable installation connecting ring of diameter is installed, and with absorption tower wallboard anticorrosive coat 7a between arrange and to contact the soft seal assembly 6 coordinated, make the utility model take circumferential band cylinder 2 as the docking of basic enhancing device in tower, assembling process being installed without getting angry, easy to operate, safety, but Self-fastening fixes on absorption tower wallboard 7 inboards; Each section gas distribution cone-plate 1 is fixedly connected on corresponding circumferential band cylinder 2, bore and cover a complete gas distribution cone of 4 connection formation by connection again, can obviously not increase the flow resistance of flue gas in tower, can make the flue gas redistribution in inner rim zone, absorption tower and assemble and flow to middle section, can effectively eliminate gas bypass phenomenon in tower, improve the smoke desulfurization efficiency of system.
Claims (9)
1. desulfuration absorbing tower enhancing device, it is characterized in that in desulfuration absorbing tower, spraying layer below arranges one group of circumferential band cylinder (2) on the cross section vertical with flue gas flow direction, each circumferential band cylinder (2) upper angled formula connection arranges gas distribution cone-plate (1), be spaced one group of outage (5) is set on each gas distribution cone-plate (1), the end of each circumferential band cylinder (2) connects respectively setting and holds out against adjusting device (3), adjacent hold out against between adjusting device (3) to be equipped with hold out against connecting plate assembly (8), circumferential band cylinder (2) is by holding out against adjusting device (3), hold out against between connecting ring that connecting plate assembly (8) forms and absorption tower wallboard anticorrosive coat (7a) and be equipped with and contact the soft seal assembly (6) coordinated, connect respectively between the adjacent end portion of gas distribution cone-plate (1) to arrange and connect cone lid (4).
2. desulfuration absorbing tower enhancing device as claimed in claim 1, it is characterized in that it is 30 °～70 ° that described gas distribution cone-plate (1) tilting connects the angle that is arranged on circumferential band cylinder (2) top and horizontal plane, the width of gas distribution cone-plate (1) is 150mm～500mm, thickness is not more than 6mm, and described connection cone lid (4) adopts same gradient with gas distribution cone-plate (1).
3. desulfuration absorbing tower enhancing device as claimed in claim 1, is characterized in that described outage (5) adopts the semicircle orifice structure.
4. desulfuration absorbing tower enhancing device as claimed in claim 1, is characterized in that described soft seal assembly (6) outside contacts and coordinates with absorption tower wallboard anticorrosive coat (7a), inboard with circumferential band cylinder (2), hold out against connecting plate assembly (8) and contact and coordinate respectively.
5. desulfuration absorbing tower enhancing device as claimed in claim 1, is characterized in that the upper and lower blend stop (2a) that arranges respectively of described circumferential band cylinder (2) outer wall, and upper and lower blend stop (2a) inboard is touched and coordinated with soft seal assembly (6) top, bottom gear respectively.
6. desulfuration absorbing tower enhancing device as claimed in claim 1, it is characterized in that the described adjusting device (3) that holds out against connects the inboard, end that is arranged on circumferential band cylinder (2), comprise the connection cover plate (3b) be connected, hold out against spiral shell piece (3d), connect that cover plate (3b) is inner to be fixedly connected with by between vertically-arranged gusset (3a) and circumferential band cylinder (2), hold out against on spiral shell piece (3d) to be equipped with and connect the puller bolt (3c) coordinated, binding nut (3e), connect between cover plate (3b) and vertically-arranged gusset (3a) and form and the slot that holds out against connecting plate assembly (8) grafting and coordinate, puller bolt (3c) with hold out against connecting plate assembly (8) and contact and coordinate.
7. desulfuration absorbing tower enhancing device as claimed in claim 1, it is characterized in that the spacing between two adjacent end portions of described gas distribution cone-plate (1) is less than the width that connects cone lid (4), splices with the end of gas distribution cone-plate (1) respectively and is connected and fixed by connecting bolt is adjustable in the two ends that connect cone lid (4).
8. desulfuration absorbing tower enhancing device as claimed in claim 2, is characterized in that described gas distribution cone-plate (1) and the angle of horizontal plane are 45 ° ± 5 °, and the width of gas distribution cone-plate (1) is 250 ± 50mm.
9. desulfuration absorbing tower enhancing device as claimed in claim 6, it is characterized in that the described described connecting plate assembly (8) that holds out against comprises connecting plate (8a), rabbet respectively within connecting the slot formed between cover plate (3b) and circumferential band cylinder (2) connecting plate (8a) both sides, the outside, connecting plate (8a) middle part contacts and coordinates with soft seal assembly (6), connecting plate (8a) middle part outside upper-lower position connects to arrange and a pair ofly touches with soft seal assembly (6) gear the baffle plate (8c) coordinated respectively, the inboard connection setting in connecting plate (8a) middle part contacts with puller bolt (3c) top board (8b) coordinated.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320363082 CN203355597U (en) | 2013-06-24 | 2013-06-24 | Efficiency enhancement device for desulfurizing absorption tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320363082 CN203355597U (en) | 2013-06-24 | 2013-06-24 | Efficiency enhancement device for desulfurizing absorption tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203355597U true CN203355597U (en) | 2013-12-25 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320363082 Withdrawn - After Issue CN203355597U (en) | 2013-06-24 | 2013-06-24 | Efficiency enhancement device for desulfurizing absorption tower |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203355597U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372372A (en) * | 2013-06-24 | 2013-10-30 | 浙江天地环保工程有限公司 | Synergistic device for desulfurization absorption tower |
| CN104801170A (en) * | 2015-04-09 | 2015-07-29 | 常熟市华能环保工程有限公司 | Annular reducer spraying device of pellet flue gas denitrification system |
-
2013
- 2013-06-24 CN CN 201320363082 patent/CN203355597U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103372372A (en) * | 2013-06-24 | 2013-10-30 | 浙江天地环保工程有限公司 | Synergistic device for desulfurization absorption tower |
| CN104801170A (en) * | 2015-04-09 | 2015-07-29 | 常熟市华能环保工程有限公司 | Annular reducer spraying device of pellet flue gas denitrification system |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20131225 Effective date of abandoning: 20150902 |
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| RGAV | Abandon patent right to avoid regrant |