CN100518898C - Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck - Google Patents
Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck Download PDFInfo
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- CN100518898C CN100518898C CNB200710035555XA CN200710035555A CN100518898C CN 100518898 C CN100518898 C CN 100518898C CN B200710035555X A CNB200710035555X A CN B200710035555XA CN 200710035555 A CN200710035555 A CN 200710035555A CN 100518898 C CN100518898 C CN 100518898C
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- tower
- tower wall
- bubbling
- desulfurating
- sieve
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Abstract
The invention discloses a vertical sieve board injection bubbling desulfurizing dedusting absorption tower, which comprises the following parts: cylinder-shaped tower wall, outer cylinder and inner cylinder with two ends at opened shape, wherein the outer and inner cylinders are set in the lower segment of the inner part of tower wall, which is allocated with the same shaft as tower wall; the looped gas path is formed between inner and outer cylinders; the suspension distance is formed between the bottom of inner and outer cylinders and the tower wall, which have a coil of grid shaped injection hole at lower end along circumferential direction; the sealing board is set on the top of inner and outer cylinders, which is fixed with inner wall of the tower wall through reinforced rib; the lower end of the sealing board loads first spiral sprayer group with flue gas inlet on the lower end of the sealing board; the injector is set in the flue gas inlet; the second spiral injector group is set on the upper segment of the inner part of the tower wall with flue gas purifying outlet on the top of the tower wall. The invention utilizes the tangential circulating inflow pattern and cyclone wetting elementary to cool flue gas and remove dust through industrial waste water.
Description
Technical field
The present invention relates to the wet flue gas desulfurization and dust removal device, relate 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.
Summary of the invention
The technical problem to be solved in the present invention 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 present invention 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 invention 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 invention;
Fig. 2 is A among Fig. 1-A cross section view;
Fig. 3 is B among Fig. 1-B cross section view.
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 invention, 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 gas approach 19 that communicates with annular gas passage 24, 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 invention 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 present invention 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 invention, 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 injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of the present invention 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, a kind of 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), be provided with vertical sieve tray (13) between the second spiral nozzle group (6) and the sealing plate (17), 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 described vertical sieve tray (13) is provided with 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,, 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) according to claim 1 or 2 described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck.
4,, 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) according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 3.
5,, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower according to claim 1 or 2 described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck.
6,, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 3.
7,, it is characterized in that described tower wall (26) bottom is coniform, and be provided with outlet (27) at the bottom of the tower according to the described injecting, bubbling, dust settling, desulfurating and absorbing tower with vertical screen deck of claim 4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710035555XA CN100518898C (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB200710035555XA CN100518898C (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101130152A CN101130152A (en) | 2008-02-27 |
| CN100518898C true CN100518898C (en) | 2009-07-29 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB200710035555XA Expired - Fee Related CN100518898C (en) | 2007-08-14 | 2007-08-14 | Injecting, bubbling ,dust settling, desulfurating and absorbing tower with vertical screen deck |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100518898C (en) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101637687B (en) * | 2008-08-02 | 2011-07-20 | 中国石油化工股份有限公司 | Method for processing light hydrocarbons oxidation sweetening tail gas |
| CN101721826B (en) * | 2008-10-28 | 2011-10-12 | 中国石油化工股份有限公司 | Bubble tower |
| CN102302895A (en) * | 2011-08-04 | 2012-01-04 | 云南云天化国际化工股份有限公司 | Purification method of sulfur dioxide tail gas |
| CN104307342B (en) * | 2014-11-07 | 2016-07-06 | 广西南宁华国环境科技有限公司 | A kind of flue gas two stage desulfurizing tower |
| CN104941437B (en) * | 2015-07-01 | 2017-07-18 | 江苏揽山环境科技股份有限公司 | A kind of spray desulfurizing tower of preposition spraying section |
| CN105617847B (en) * | 2016-03-18 | 2018-06-29 | 上海交通大学 | A kind of eddy flow coupling depth desulfurization reinforced module |
| CN108176195A (en) * | 2016-12-08 | 2018-06-19 | 天津市嘉腾环保设备有限公司 | A kind of acid mist purifying tower |
| CN106693565A (en) * | 2017-03-09 | 2017-05-24 | 北京东方新星石化工程股份有限公司 | Dust collecting device and slurry mixing system |
| CN107321100A (en) * | 2017-08-17 | 2017-11-07 | 仲伟军 | Smoke eliminator |
| CN107754533A (en) * | 2017-11-14 | 2018-03-06 | 江苏国强环保集团有限公司 | A kind of bubbling restrains dedusting and desulfurizing tower |
| CN108295610B (en) * | 2018-04-10 | 2024-03-12 | 北京英华高科技有限公司 | Non-filtration formula air purification equipment |
| CN112275114A (en) * | 2020-09-09 | 2021-01-29 | 程学芳 | Two-stage wet desulphurization tower |
| CN112717665A (en) * | 2020-12-08 | 2021-04-30 | 萍乡宝海锌营养科技有限公司 | Production acid mist desulphurization unit for zinc sulfate |
-
2007
- 2007-08-14 CN CNB200710035555XA patent/CN100518898C/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101130152A (en) | 2008-02-27 |
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Granted publication date: 20090729 Termination date: 20120814 |