CN201551955U - Wet smoke gas desulphurization and denitration dust removing device - Google Patents
Wet smoke gas desulphurization and denitration dust removing device Download PDFInfo
- Publication number
- CN201551955U CN201551955U CN2009200484108U CN200920048410U CN201551955U CN 201551955 U CN201551955 U CN 201551955U CN 2009200484108 U CN2009200484108 U CN 2009200484108U CN 200920048410 U CN200920048410 U CN 200920048410U CN 201551955 U CN201551955 U CN 201551955U
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- tower
- flue gas
- king
- gas desulfurization
- wet flue
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Abstract
The utility model relates to a wet smoke gas desulphurization and denitration dust removing device, which comprises a main tower (11), an accessory tower (14), a smoke inlet (6), a liquid outlet (5), a smoke outlet (15), a center pipe liquid feeding device (10) and a desulphurization and denitration circulated treatment tank group (1), wherein the main tower (11) and the accessory tower (14) are mutually communicated. A demisting plate tower (13) is arranged inside the accessory tower (14); a rotational flow plate tower (7) is arranged inside the main tower (11); a volute air inlet device (2) is arranged on a main tower cylinder wall (11-1) between the upper portion of the smoke inlet (6) and the lower portion of the rotational flow plate tower (7); the volute air inlet device (2) includes a center supporting cylinder (3) and a flow guide plate (4); the flow guide plate (4) is arranged along the tangential direction of the periphery of the center supporting cylinder (3); and the flow guide plate (4) is connected with the center supporting cylinder (3). The wet smoke gas desulphurization and denitration dust removing device has the advantages of simple structure, small smoke inlet impact, high upflow speed, fine effects of desulphurization, denitration and dust removal, high efficiency, stability and long service life.
Description
Technical field
The utility model relates to the wet dust removal treating apparatus of a kind of flue gas in the environmental protection field, particularly a kind of wet flue gas desulfurization denitrifying dedust apparatus.
Background technology
Coal produces SO in combustion process
2The time, also produce NO
XTherefore in flue gas, contain these oxysulfides and nitrogen oxide, and sulphur that contains in the flue gas and nitrogen must go in the atmosphere through just allowing to be discharged into after the processing allow compliance with emission standards, the mechanism that they produce separately owing to sulphur and nitrogen is different, the purification techniques difference that is adopted, the general serial flow that adopts places two devices to carry out respectively desulfurization and denitrogenation, finish desulfurization and denitrogenation respectively, denitration is also named in denitrogenation, this method is owing to need to use two equipment, it is many to exist operative installations, the cost of investment height, the defective that floor space is big, therefore the wet flue gas desulfurization denitrifying dedust apparatus that can be finished desulphurization denitration gradually in same device replaces, this wet flue gas desulfurization denitrifying dedust apparatus is the desulphurization denitration that carries out flue gas at Dan Tazhong, its structure is that the several layers rotating stream tray scrubber is housed in single tower, spray equipment is housed on rotating stream tray scrubber, refill demist plate tower on the spray equipment, the flue gas of coming in is discharged behind spray liquid spray demist desulphurization denitration, but because rotating stream tray scrubber and demist plate tower are in same tower, air velocity is slow in the tower, the gas-liquid contact area is little, and it is poor therefore to exist desulfurization off sulfide effect, blower fan is easily intake, the easy fouling of pipeline, easily stop up, the use cost height, discharge liquid and cause defectives such as secondary pollution easily.Therefore the applicant improves on original single tower wet flue gas desulfurization denitrifying dedust apparatus basis, improved wet flue gas desulfurization denitrifying dedust apparatus is to carry out desulphurization denitration in same device, this constructional device includes king-tower and two towers of secondary tower that communicated by interface channel, rotating stream tray scrubber is arranged in the king-tower, demist plate tower is arranged in the secondary tower, the mouth spray of central tubular liquid dispensing apparatus is arranged on the rotating stream tray scrubber top, the wet flue gas desulfurization denitrifying dedust apparatus of this improvement structure has improved the desulfur denitrate dust collecting effect greatly, solved blower fan water inlet problem preferably, adopt the central tubular liquid dispensing apparatus to improve gas-liquid phase flow velocity, produce scouring effect, pipeline is less scaling, be difficult for stopping up.But this improved wet flue gas desulfurization denitrifying dedust apparatus structure also exists following defective: flue gas is when advancing the mouth access to plant, what adopt is direct siphunculus, be that the air-flow of flue gas linearly moves and directly enters king-tower, it is inhomogeneous, unstable to advance flue gas stream, the pressure loss of flue gas stream is big, makes the flow velocity of air-flow of rising not enough, and the gas-liquid contact that air-flow arrives behind the rotating stream tray scrubber can not reach desirable state, poor stability, the efficient of desulphurization denitration are low, and desulfurization off sulfide effect is undesirable.Directly impact mouth when entering owing to flue gas simultaneously, buffering does not make that into mouth place fret wear is serious, and this has influenced the whole service life of wet flue gas desulfurization denitrifying dedust apparatus greatly.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, provide a kind of simple in structure, advance that cigarette impacts that little, ascending air flow velocity height, desulfur denitrate dust collecting are effective, the wet flue gas desulfurization denitrifying dedust apparatus of good stability, long service life.
Realize that the above-mentioned purpose technical scheme is: a kind of wet flue gas desulfurization denitrifying dedust apparatus, include the king-tower and the secondary tower that are connected by interface channel, the king-tower bottom is provided with into mouth and liquid outlet, the secondary tower bottom is provided with outlet flue, outlet flue is connected with fume extractor, be provided with demist plate tower in the secondary tower, be provided with the several layers rotating stream tray scrubber in the king-tower, the mouth spray of central tubular liquid dispensing apparatus is arranged on the rotating stream tray scrubber top, the feed pipe of central tubular liquid dispensing apparatus is connected with the forebay of desulphurization denitration circular treatment pond group, liquid outlet is connected with the after-bay of desulphurization denitration circular treatment pond group, advance in the king-tower between mouth top and the rotating stream tray scrubber bottom and be provided with the scroll casing type inlet duct, the scroll casing type inlet duct includes center support tube and deflector, deflector is along the tangential setting of center support tube periphery, and deflector is connected with the center support tube.
Further, the bottom of described center support tube is provided with at least two support bars, and support bar one end is connected with the center support tube, and the other end is connected with the king-tower inwall of king-tower.
Further, being connected to detachable connection the between described deflector and the center support tube.
Further, described deflector is provided with seven.
Further, described secondary tower bottom also is provided with shoot door.
Further, the forebay of described desulphurization denitration circular treatment pond group is a desulphurization denitration feed flow regenerated reactor, and after-bay is the precipitation circulatory pool.
Further, on the feed pipe of described central tubular liquid dispensing apparatus water pump is housed.
Further, be provided with blower fan between described outlet flue and the fume extractor.
After adopting technique scheme, have a lot of benefits: the utility model is innovated on the prior art basis, the king-tower barrel that advances between mouth top and the rotating stream tray scrubber bottom is provided with the scroll casing type inlet duct, simple in structure, by the deflector water conservancy diversion, this structure makes the flue gas stream that enters be entered by original straight line to become rotary entering, make the flue gas stream that enters be the eddy flow state, the local turbulent flow that this has significantly reduced air-flow has reduced the pressure loss, ascending air flow velocity height, air-flow arrives the gas-liquid contact area behind the rotating stream tray scrubber, time of contact is abundant, contact evenly continuously, the demist of demist plate tower is satisfactory for result, has improved the dust separation effect, the desulphurization denitration good stability, desulfur denitrate dust collecting is effective, the efficient height, general efficiency of dust collection is up to 97%, and desulfuration efficiency is up to 90%, and denitration efficiency is up to 40%.Simultaneously have buffering, advance cigarette and impact for a short time, alleviated the wearing and tearing of advancing mouth place material, prolonged the service life of complete machine greatly because flue gas enters the mouth place when advancing cigarette.The utility model is simple in structure, advance that cigarette impacts that little, ascending air flow velocity height, desulfurization off sulfide effect are good, good stability, long service life.
Description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is an A-A profile of pulling down Fig. 1 of part 2 scroll casing type inlet ducts;
Fig. 3 is that part 2 scroll casing type inlet ducts are contained in the initialization structural representation on part 11 king-towers;
Fig. 4 is that part 2 scroll casing type inlet ducts are contained in the intermediate state work structuring schematic diagram on part 11 king-towers;
Fig. 5 is that part 2 scroll casing type inlet ducts are contained in another intermediate state work structuring schematic diagram on part 11 king-towers;
Fig. 6 is that part 2 scroll casing type inlet ducts are contained in the later stage process work structuring schematic diagram on part 11 king-towers.
The specific embodiment
Below in conjunction with drawings and Examples the utility model is described in further detail.
Extremely shown in Figure 6 as Fig. 1, a kind of wet flue gas desulfurization denitrifying dedust apparatus, include the king-tower 11 and the secondary tower 14 that are connected by interface channel 12, king-tower 11 bottoms are provided with into mouth 6 and liquid outlet 5, secondary tower 14 bottoms are provided with outlet flue 15, and secondary tower 14 bottoms also are provided with shoot door 17, and outlet flue 15 is connected with fume extractor 9, be provided with blower fan 16 between outlet flue 15 and the fume extractor 9, fume extractor 9 is a chimney.Be provided with demist plate tower 13 in the secondary tower 14, be provided with three layers of rotating stream tray scrubber 7 in the king-tower 11, it is the upper strata rotating stream tray scrubber, middle level rotating stream tray scrubber and lower floor's rotating stream tray scrubber, the mouth spray 10-1 of central tubular liquid dispensing apparatus 10 is contained in rotating stream tray scrubber 7 tops, the feed pipe 10-2 of central tubular liquid dispensing apparatus 10 is connected with the forebay 1-1 of desulphurization denitration circular treatment pond group 1, on the feed pipe 10-2 of central tubular liquid dispensing apparatus 10 water pump 18 is housed, liquid outlet 5 is connected with the after-bay 1-2 of desulphurization denitration circular treatment pond group 1, the forebay 1-1 of described desulphurization denitration circular treatment pond group 1 is a desulphurization denitration feed flow regenerated reactor, and after-bay 1-2 is the precipitation circulatory pool.Advance in the king-tower 11 between mouth 6 tops and the lower floor rotating stream tray scrubber 7-1 bottom and be provided with scroll casing type inlet duct 2, scroll casing type inlet duct 2 includes center support tube 3 and seven deflectors 4, deflector 4 is along the tangential setting of center support tube 3 peripheries, and deflector 4 is connected with center support tube 3, and deflector 4 is connected be bolted to connection detachable that be connected between the center support tube 3.The bottom of center support tube 3 is provided with three support bars 8, and support bar 8 one ends are connected with center support tube 3, and the other end is connected with the king-tower inwall 11-1 of king-tower 11, thereby makes scroll casing type inlet duct 2 and king-tower 11 Joints.
Extremely shown in Figure 6 as Fig. 3, during the utility model work, pending flue gas enters king-tower 11 from advancing mouth 6 through the scroll casing type inlet duct, flue gas enters the back and forms eddy current, the diversed plate 4 of desulfurizing agent disperses and acceleration formation original vortex state then, then desulfurizing agent and fly ash particle fully mix the purpose that reaches preliminary cleaning, and last big drop and ash-laden gas join, and remove SO
2And NO
XAnd dust.Can be when the utility model uses by NaOH, sodium sulfite and water mix two alkali lye of composition as adsorbent, in king-tower, simultaneously flue gas is carried out desulfurization and denitration and dedusting by rotating stream tray scrubber again with synchronously two technology of taking off, after in secondary tower, flue gas being carried out the demist dehumidifying through demist plate tower again, the flue gas that reaches discharge standard is discharged from fume extractor 9, the effective ingredients such as adsorbent that the setting of desulphurization denitration circular treatment pond group 1 constitutes two alkali lye can be recycling, reduce the waste of active ingredient, realize zero-emission, pollution-free, avoided secondary pollution, very environmental protection.
The utility model is not limited to the foregoing description, and the technical scheme that all employings are equal to replacement or equivalence replacement formation all belongs to the claimed scope of the utility model.
Claims (8)
1. wet flue gas desulfurization denitrifying dedust apparatus, include the king-tower (11) and the secondary tower (14) that are connected by interface channel (12), king-tower (11) bottom is provided with into mouth (6) and liquid outlet (5), secondary tower (14) bottom is provided with outlet flue (15), outlet flue (15) is connected with fume extractor (9), be provided with demist plate tower (13) in the secondary tower (14), be provided with several layers rotating stream tray scrubber (7) in the king-tower (11), the mouth spray (10-1) of central tubular liquid dispensing apparatus (10) is arranged on rotating stream tray scrubber (7) top, the feed pipe (10-2) of central tubular liquid dispensing apparatus (10) is connected with the forebay (1-1) of desulphurization denitration circular treatment pond group (1), liquid outlet (5) is connected with the after-bay (1-2) of desulphurization denitration circular treatment pond group (1), it is characterized in that: advance in the king-tower (11) between mouth (6) top and rotating stream tray scrubber (7) bottom to be provided with scroll casing type inlet duct (2), scroll casing type inlet duct (2) includes center support tube (3) and deflector (4), deflector (4) is along the tangential setting of center support tube (3) periphery, and deflector (4) is connected with center support tube (3).
2. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1, it is characterized in that: the bottom of described center support tube (3) is provided with at least two support bars (8), support bar (8) one ends are connected with center support tube (3), and the other end is connected with the king-tower inwall (11-1) of king-tower (11).
3. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: being connected to detachable connection the between described deflector (4) and the center support tube (3).
4. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: described deflector (4) is provided with seven.
5. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: described secondary tower (14) bottom also is provided with shoot door (17).
6. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: the forebay (1-1) of described desulphurization denitration circular treatment pond group (1) is a desulphurization denitration feed flow regenerated reactor, and after-bay (1-2) is the precipitation circulatory pool.
7. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: on the feed pipe (10-2) of described central tubular liquid dispensing apparatus (10) water pump (18) is housed.
8. wet flue gas desulfurization denitrifying dedust apparatus according to claim 1 is characterized in that: be provided with blower fan (16) between described outlet flue (15) and the fume extractor (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200484108U CN201551955U (en) | 2009-10-22 | 2009-10-22 | Wet smoke gas desulphurization and denitration dust removing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200484108U CN201551955U (en) | 2009-10-22 | 2009-10-22 | Wet smoke gas desulphurization and denitration dust removing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201551955U true CN201551955U (en) | 2010-08-18 |
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ID=42611627
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200484108U Expired - Fee Related CN201551955U (en) | 2009-10-22 | 2009-10-22 | Wet smoke gas desulphurization and denitration dust removing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201551955U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527181A (en) * | 2012-01-13 | 2012-07-04 | 黄清豹 | Dust removal equipment |
| CN103007659A (en) * | 2012-12-19 | 2013-04-03 | 东莞市力科环保设备有限公司 | Negative pressure type wet dust collector |
| CN104492221A (en) * | 2014-11-28 | 2015-04-08 | 浙江菲达科技发展有限公司 | Treatment process for flue gas from waste incineration |
| CN107335329A (en) * | 2017-08-01 | 2017-11-10 | 李文清 | Snail type spiral vortex denitrating flue gas desulfurization and dedusting one clarifier |
| CN110465171A (en) * | 2019-08-19 | 2019-11-19 | 石家庄天鲲化工设备有限公司 | Low temperature liquid phase cyclone desulfuration denitration dust-removing integrated technique |
-
2009
- 2009-10-22 CN CN2009200484108U patent/CN201551955U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102527181A (en) * | 2012-01-13 | 2012-07-04 | 黄清豹 | Dust removal equipment |
| CN103007659A (en) * | 2012-12-19 | 2013-04-03 | 东莞市力科环保设备有限公司 | Negative pressure type wet dust collector |
| CN104492221A (en) * | 2014-11-28 | 2015-04-08 | 浙江菲达科技发展有限公司 | Treatment process for flue gas from waste incineration |
| CN107335329A (en) * | 2017-08-01 | 2017-11-10 | 李文清 | Snail type spiral vortex denitrating flue gas desulfurization and dedusting one clarifier |
| CN110465171A (en) * | 2019-08-19 | 2019-11-19 | 石家庄天鲲化工设备有限公司 | Low temperature liquid phase cyclone desulfuration denitration dust-removing integrated technique |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: SHI SHAOJUN Free format text: FORMER OWNER: LIZHU ENVIRONMENT ENGINEERING CO., LTD., LIYANG CITY Effective date: 20110525 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 213300 NO. 148, JINWU ROAD, ECONOMIC DEVELOPMENT ZONE, LIYANG CITY, JIANGSU PROVINCE TO: 213300 ROOM 302, UNIT 1, BUILDING 18, PINGLING VILLAGE 2, LIYANG CITY, JIANGSU PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20110525 Address after: 213300 Room 302, unit 18, Ping Ling second village, Liyang, Jiangsu Patentee after: Shi Shaojun Address before: 213300 Jiangsu city in Liyang Province Economic Development Zone No. 148 gold Wulu Patentee before: Liyang Lizhu Environment Engineering Co., Ltd. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100818 Termination date: 20181022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |