CN201070572Y - Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate - Google Patents
Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate Download PDFInfo
- Publication number
- CN201070572Y CN201070572Y CNU2007200641557U CN200720064155U CN201070572Y CN 201070572 Y CN201070572 Y CN 201070572Y CN U2007200641557 U CNU2007200641557 U CN U2007200641557U CN 200720064155 U CN200720064155 U CN 200720064155U CN 201070572 Y CN201070572 Y CN 201070572Y
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- tower
- tower wall
- bubbling
- wall
- desulfurating
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Abstract
The utility model discloses a dust removal absorption tower which can desulfurize and remove dust through the bubbling injected by a vertical sieve tray, and the tower comprises a cylinder-shaped tower wall, as well as an outer cylinder and an inner cylinder which respectively have two ends being shaped like openings. The outer cylinder and the inner cylinder are arranged at the lower section in the interior of the tower wall, and are coaxially arranged with the tower wall, a ring-shaped gas passage is formed between the outer cylinder and the inner cylinder, the bottoms of the outer cylinder and the inner cylinder have a hanging space with the tower wall, and the lower ends are respectively opened with a ring of grid-shaped ejection holes along the circumferential direction; the tops of the outer cylinder and the inner cylinder are provided with a sealing plate which is fixed with the inner wall of the tower wall through a reinforcing bar, the lower end of the sealing plate is provided with a first spiral nozzle group, the tower wall is opened with a fuel gas inlet at the inferior part of the sealing plate, a nozzle is arranged in the fuel gas inlet, the upper section in the tower wall is provided with a second spiral nozzle group, and the top of the tower wall is provided with a clean fuel gas outlet. The dust removal absorption tower which can desulfurize and remove dust through the bubbling injected by the vertical sieve tray utilizes the flow mode of the tangential annular flow and the principle that the whirlwind wets the wall, so as to cool the fuel gas and remove the dust through the industrial wastewater.
Description
Technical field
The utility model relates to the wet flue gas desulfurization and dust removal device, relates in particular to the injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck that is applied to processing of medium and small boiler flue gas and metallurgy industry vent gas treatment.
Background technology
At present, the desulfur technology of the whole world more than 85% adopts wet desulphurization, and its Sino-U.S., day, moral three states then reach more than 90%.Implement wet desulphurization and generally all adopt various types of towers, the flue-gas temperature that boiler comes out is all higher, all to cool off before advancing tower, otherwise the absorption efficiency to the back can make a big impact, large desulfurization equipment adopts the method for heat exchanger that flue gas is lowered the temperature mostly, and for medium and small boiler, this method cost is too high, is impracticable.Thereby, adopt a kind of way of simple possible, cooling, dedusting, the desulfurization of flue gas concentrated in the tower then have very big actual application value.
The utility model content
The technical problems to be solved in the utility model is to overcome the deficiencies in the prior art, provides a kind of tangential circulation intake method and wet wall principle of whirlwind utilized, by the injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of industrial wastewater cooled flue gas, removal dust.
For solving the problems of the technologies described above, the utility model by the following technical solutions.
A kind of injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck, comprise tubular tower wall, two ends are ringent urceolus and inner core, described urceolus and inner core be located at the tower pars intramuralis hypomere and with tower wall coaxial arrangement, looping gas passage between urceolus and the inner core, urceolus and inner core bottom and Ta Bi have unsettled spacing, and the lower end edge circumferencial direction respectively has a circle lattice-shaped fumarole, urceolus and inner core top are provided with sealing plate, sealing plate is affixed by reinforcement and tower wall inwall, the first spiral nozzle group is equipped with in described sealing plate lower end, be provided with the gas approach that communicates with annular gas passage in the sealing plate below, be provided with nozzle in the gas approach, the epimere of tower pars intramuralis is provided with the second spiral nozzle group, and the Ta Bi top is provided with clean exhanst gas outlet.
Be provided with the vertical sieve tray of band outer circulation downflow weir between described second spiral nozzle group and the sealing plate, outer circulation downflow weir bottom is provided with the downflow weir drainpipe that is in communication with the outside, offer the sieve plate hole on the described vertical sieve tray, top, sieve plate hole is provided with the sieve cover of bottom opening top seal, sieve cover bottom is provided with sieve cover hole, sieve cover top is provided with the lattice-shaped bar hole, and sieve cover hole and lattice-shaped bar hole are communicated with the upper strata of tower pars intramuralis respectively.
Described tower pars intramuralis is positioned at second spiral nozzle group top and is provided with the flap demister.
Described tower pars intramuralis is positioned at flap demister top and is provided with demister cleaning shower nozzle.
Described tower wall bottom is coniform, and is provided with outlet at the bottom of the tower.
Compared with prior art, advantage of the present utility model just is:
1, the annular gas passage that is positioned at the bottom, absorption tower is made of urceolus and inner core, respectively have a circle lattice-shaped fumarole at urceolus and inner core lower end edge circumferencial direction, increased the percent opening of strip spout, gas is jet to both sides and passage bottom from annular gas passage, increased tolerance, reduced resistance, made the interior distribution of gas of whole tower more even; In gas approach, be provided with nozzle, strengthen cooling and dedusting effect, cooling, dedusting and desulfurization are integrated in the tower flue gas.
2, vertical sieve tray is provided with the sieve cover, the liquid of going into top, sieve plate hole from the sieve cover orifice flow of sieve cover bottom is blowed to the lattice-shaped bar hole that sieves cover top by the gas from tower lower floor, because the dissection of absorption liquid and grid, gas is cut into minute bubbles after the grid ejection, the bubble of ejection and the liquid on vertical sieve tray upper strata form new bubble level, in the bubbling process, flue gas has obtained sufficient dispersion on the one hand, the contact of gas-liquid and the time of staying increase, sulphur-containing substance in the flue gas can fully be reacted with absorption liquid, improve desulfuration efficiency, liquid is after the bar hole outflow on sieve cover top on the other hand, go into from the sieve cover orifice flow of sieve cover bottom again, make liquid inside and outside the sieve cover, form circulation, obtain well-beaten absorption liquid and can further improve desulfuration efficiency.
3, can cooling water in the annular gas passage and the absorption liquid on the vertical sieve tray is independent separately, simplify the tower inner structure like this and can reduce the probability that stops up.
4, above the flap demister, be provided with demister and clean shower nozzle, be convenient to cleaning the flap demister; Tower wall bottom is coniform, and is provided with outlet at the bottom of the tower, is convenient to the slurries with grit are compiled, discharge.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A cross section view among Fig. 1;
Fig. 3 is a B-B cross section view among Fig. 1.
Each label is represented among the figure:
1, clean exhanst gas outlet 2, demister clean shower nozzle
3, the second industry water import 4, flap demister
5, desulfurization absorption liquid import 6, the second spiral nozzle group
7, outer circulation downflow weir 8, sieve plate hole
9, sieve cover 10, bar hole
11, sieve cover hole 12, downflow weir drainpipe
13, vertical sieve tray 14, annular liquid distributor
15, the first spiral nozzle group 16, reinforcement
17, sealing plate 18, the first industry water import
19, gas approach 20, nozzle
21, urceolus 22, inner core
23, gas rising passway 24, annular gas passage
25, lattice-shaped fumarole 26, Ta Bi
27, outlet at the bottom of the tower
The specific embodiment
As Fig. 1, Fig. 2 and shown in Figure 3, injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of the present utility model, comprise tubular tower wall 26, two ends are ringent urceolus 21 and inner core 22, urceolus 21 and inner core 22 be located at tower wall 26 inside hypomere and with tower wall 26 coaxial arrangement, looping gas passage 26 between urceolus 21 and the inner core 22, between urceolus 21 and the tower wall and inner core 22 inboards are gas rising passway 23, urceolus 21 and inner core 22 bottoms and tower wall 26 have unsettled spacing, and the lower end edge circumferencial direction respectively has a circle lattice-shaped fumarole 25, increased the percent opening of lattice-shaped fumarole 25, gas from annular gas passage 24 to two edge injections, increased tolerance, reduced resistance, distribution of gas is more even, help reducing pressure drop, improve desulfuration efficiency; Urceolus 21 and inner core 22 tops are provided with sealing plate 17, sealing plate 17 is affixed by reinforcement 16 and tower wall 26 inwalls, the first spiral nozzle group 15 is equipped with in sealing plate 17 lower ends, the first spiral nozzle group 15 communicates with the annular liquid distributor 14 of sealing plate 17 tops, annular liquid distributor 14 is communicated with outward with tower by the first industry water import 18, sealing plate 17 belows are provided with the flue gas that communicates with annular gas passage 24 and advance 19, gas approach 19 is tangent with annular gas passage 24, and horizontal by 17 ° of angles layouts, be provided with nozzle 20 in the gas approach 19, this nozzle 20 is a C type nozzle in the present embodiment, can strengthen cooling and dedusting effect, will cool off flue gas, dedusting and desulfurization are integrated in the tower.The epimere of tower wall 26 inside is provided with the second spiral nozzle group 6 that is communicated with desulfurization absorption liquid import 5, be provided with vertical sieve tray 13 between the second spiral nozzle group 6 and the sealing plate 17, vertical sieve tray 13 middle parts are outer circulation downflow weir 7, outer circulation downflow weir 7 bottoms are provided with the downflow weir drainpipe 12 that is in communication with the outside, vertical sieve tray 13 upper edge outer circulation downflow weirs 7 peripheries offer 8 sieve plate holes 8, each 8 top, sieve plate hole is provided with the sieve cover 9 of bottom opening top seal, sieve cover 9 bottoms are provided with sieve cover hole 11, sieve cover 9 tops are provided with lattice-shaped bar hole 10, and sieve cover hole 11 and lattice-shaped bar hole 10 are communicated with the upper strata of tower wall 26 inside respectively.Be positioned at the second spiral nozzle group, 6 tops and be provided with flap demister 4, flap demister 4 tops are provided with the demister that is communicated with the second industry water import 3 and clean shower nozzle 2, are convenient to the cleaning to flap demister 4.Tower wall 26 tops are provided with clean exhanst gas outlet 1, and tower wall 26 bottoms are coniform, and are provided with outlet 27 at the bottom of the tower, are convenient to the slurries with grit are compiled, discharge.Injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of the present utility model can be independent separately with cooling water and absorption liquid, simplified the tower inner structure like this, and can reduce the probability that stops up.
Operation principle: when the utility model used, the annular gas passage of tower bottom mainly was used as cooling, dedusting, and the vertical sieve tray on top absorbs as JBR.
High-temperature flue gas imports gas approach 19, mix with the cooling fluid and the stream of the C type nozzle ejection that is loaded on the import center line, speed with about 20 meter per seconds tangentially enters annular gas passage 24, industrial wastewater with the first spiral nozzle group, 15 ejections of passage top fully mixes again, the centrifugal force of the flue gas of rotation generation gets rid of drop and grit to urceolus 21 at a high speed, on urceolus 21, form one deck liquid film that has grit, at the bottom of falling into tower with the slurries of grit, at the bottom of tower, assemble, drain into the outer sedimentation basin of tower by outlet at the bottom of the tower 27.Through the wet wall dedusting cooled smoke of whirlwind, spray to annular gas passage 24 bottoms and both sides from the lattice-shaped fumarole 25 of urceolus 21 and inner core 22 bottoms, and with the critical gas velocity more than 12 meter per seconds by sieve plate hole 8, gas enters sieve cover 9 and the absorption liquid haptoreaction that flows out from sieve cover hole, sieve cover 9 lower ends 11 through sieve plate hole 8, carry out violent momentum and mass exchange, gas is disperseed fully to mix with liquid in sieve cover 9, spray with the lattice-shaped bar hole 10 of liquid stream then, and outside sieve cover 9, form uniform bubble level from sieve cover 9 sides.In the bubbling process, flue gas has obtained sufficient dispersion on the one hand, the contact of gas-liquid and the time of staying increase, sulphur-containing substance in the flue gas can fully be reacted with absorption liquid, improve desulfuration efficiency, liquid is after bar hole 10 outflows on sieve cover 9 tops on the other hand, sieve cover hole 11 from sieve cover 9 bottoms flows into again, liquid is circulated sieve cover 9 inside and outside formation, absorb liquid and fully stirred, can further improve desulfuration efficiency.After flue gas rises to liquid level, big drop separates with flue gas, gas after the separation contacts with the absorption liquid that replenishes from 6 ejections of the second spiral nozzle group on liquid level again, discharge outside the tower from clean exhanst gas outlet 1 after cutting out water smoke by flap demister 4 at last, reacted absorption liquid is then discharged outside the tower by outer circulation downflow weir 7, and the grit on the flap demister 4 can clean shower nozzle 2 by demister and regularly clean.
Evidence, though cooling, dedusting and sweetening process all are integrated in the injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of the present utility model, the pressure drop of whole tower is less than 3000Pa, and desulfuration efficiency is not poor.Tolerance reaches 2300 cubic metres/hour in tower, and we use Na respectively
2CO
3, CaO, NaOH make desulfurizing agent and experimentize, experimental result shows that its desulfuration efficiency all reaches about 90%.
The first spiral nozzle group 15 and the nozzle 20 of the utility model injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck can spray industrial wastewater, play cooling, dedusting; Also can the injection desulfurization agent, except the effect of playing cooling, dedusting, can also play the effect of desulfurization like this.
Claims (7)
1. injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck, it is characterized in that comprising tubular tower wall (26), two ends are ringent urceolus (21) and inner core (22), described urceolus (21) and inner core (22) be located at the inner hypomere of tower wall (26) and with tower wall (26) coaxial arrangement, looping gas passage (24) between urceolus (21) and the inner core (22), urceolus (21) and inner core (22) bottom and Ta Bi (26) have unsettled spacing, and the lower end edge circumferencial direction respectively has a circle lattice-shaped fumarole (25), urceolus (21) and inner core (22) top are provided with sealing plate (17), sealing plate (17) is affixed by reinforcement (16) and tower wall (26) inwall, the first spiral nozzle group (15) is equipped with in sealing plate (17) lower end, be provided with the gas approach (19) that communicates with annular gas passage (24) in sealing plate (17) below, be provided with nozzle (20) in the gas approach (19), the inner epimere of tower wall (26) is provided with the second spiral nozzle group (6), and tower wall (26) top is provided with clean exhanst gas outlet (1).
2. according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 1, it is characterized in that being provided with between described second spiral nozzle group (6) and the sealing plate (17) vertical sieve tray (13) of band outer circulation downflow weir (7), outer circulation downflow weir (7) bottom is provided with the downflow weir drainpipe (12) that is in communication with the outside, offer sieve plate hole (8) on the described vertical sieve tray (13), top, sieve plate hole (8) is provided with the sieve cover (9) of bottom opening top seal, sieve cover (9) bottom is provided with sieve cover hole (11), sieve cover (9) top is provided with lattice-shaped bar hole (10), and sieve cover hole (11) is communicated with the inner upper strata of tower wall (26) respectively with lattice-shaped bar hole (10).
3. according to claim 1 or 2 described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck, it is characterized in that described tower wall (26) inside is positioned at the second spiral nozzle group (6) top and is provided with flap demister (4).
4. according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 3, it is characterized in that described tower wall (26) inside is positioned at flap demister (4) top and is provided with demister cleaning shower nozzle (2).
5. according to claim 1 or 2 described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower.
6. according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 3, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower.
7. according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 4, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200641557U CN201070572Y (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200641557U CN201070572Y (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201070572Y true CN201070572Y (en) | 2008-06-11 |
Family
ID=39549128
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200641557U Expired - Lifetime CN201070572Y (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling, desulfurating, dust settling and absorbing tower with vertical screen plate |
Country Status (1)
| Country | Link |
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| CN (1) | CN201070572Y (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258660A (en) * | 2014-09-26 | 2015-01-07 | 常州市西屋自动化有限公司 | Micro pore bubble type air purifier |
| CN104906942A (en) * | 2015-06-25 | 2015-09-16 | 湖州南浔石淙盛艳丝绸有限公司 | Boiler flue gas desulfurization system |
| CN105920962A (en) * | 2016-06-18 | 2016-09-07 | 澧县方石坪镇杨朴矿山机械厂 | Chimney waste water-bath dust removal and desulfurization method |
| CN106512695A (en) * | 2017-01-25 | 2017-03-22 | 大连铭晟环保设备有限公司 | Desulfurization and dust removing tower and flue gas purifying equipment |
| CN106731615A (en) * | 2017-01-25 | 2017-05-31 | 大连铭晟环保设备有限公司 | Flue gas purifying equipment and flue gas purification system |
| CN115738645A (en) * | 2022-10-17 | 2023-03-07 | 兰州理工大学 | Petrochemical sieve plate tower |
-
2007
- 2007-08-14 CN CNU2007200641557U patent/CN201070572Y/en not_active Expired - Lifetime
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104258660A (en) * | 2014-09-26 | 2015-01-07 | 常州市西屋自动化有限公司 | Micro pore bubble type air purifier |
| CN104906942A (en) * | 2015-06-25 | 2015-09-16 | 湖州南浔石淙盛艳丝绸有限公司 | Boiler flue gas desulfurization system |
| CN105920962A (en) * | 2016-06-18 | 2016-09-07 | 澧县方石坪镇杨朴矿山机械厂 | Chimney waste water-bath dust removal and desulfurization method |
| CN105920962B (en) * | 2016-06-18 | 2018-08-24 | 澧县方石坪镇杨朴矿山机械厂 | A kind of chimney leftover bits and pieces water bath dust-removing sulfur method |
| CN106512695A (en) * | 2017-01-25 | 2017-03-22 | 大连铭晟环保设备有限公司 | Desulfurization and dust removing tower and flue gas purifying equipment |
| CN106731615A (en) * | 2017-01-25 | 2017-05-31 | 大连铭晟环保设备有限公司 | Flue gas purifying equipment and flue gas purification system |
| CN115738645A (en) * | 2022-10-17 | 2023-03-07 | 兰州理工大学 | Petrochemical sieve plate tower |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Effective date of abandoning: 20070814 |
|
| C25 | Abandonment of patent right or utility model to avoid double patenting |