CN102657985A - Smoke sulfur-removing and dust-removing system - Google Patents
Smoke sulfur-removing and dust-removing system Download PDFInfo
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- CN102657985A CN102657985A CN2012101164993A CN201210116499A CN102657985A CN 102657985 A CN102657985 A CN 102657985A CN 2012101164993 A CN2012101164993 A CN 2012101164993A CN 201210116499 A CN201210116499 A CN 201210116499A CN 102657985 A CN102657985 A CN 102657985A
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Abstract
The invention relates to the technical fields smoke sulfur removal and dust removal, in particular to a smoke sulfur-removing and dust-removing system with high dust-removing and sulfur-removing efficiency, good smoke-purifying effect and stable and reliable operation environment. The smoke sulfur-removing and dust-removing system comprises a dust remover (1), wherein the dust remover (1) is communicated with the lower part of a sulfur-removing and dust-removing tower (2) through an air outlet pipeline (4); the air outlet pipeline (4) extends into the sulfur-removing and dust-removing tower (2); a draught fan (42) is arranged in the middle of the air outlet pipeline (4); a reaction tank (3) is arranged below the sulfur-removing and dust-removing tower (2) and is communicated with the bottom of the sulfur-removing and dust-removing tower (2) through a communicating pipe (5); the reaction tank (3) is communicated with a transfusion pipe (6) for assembling a transfusion pump; three liquid outlet branch pipes (61) are arranged on the transfusion pipe (6); an atomizing device (62) is arranged at the orifice of each liquid outlet branch pipe (61); the two liquid outlet branch pipes (61) on the upper part are communicated with the sulfur-removing and dust-removing tower (2); and the liquid outlet branch pipe (61) at the lower part is communicated with the air outlet pipeline (4) between an impactor (41) and the draught fan (42).
Description
Technical field
The present invention relates to the flue-gas dust-removing and desulfurization technical field, be specially a kind of flue gas desulfurization dust-removal system.
Background technology
Sulfur dioxide is one of major pollutants in the atmosphere, also is to weigh the important indicator whether atmosphere is polluted, to the control of sulfur dioxide and important.Especially in China; Most of areas can adopt coal heating after getting into winter; Coal often can not fully burn, and thick smoke is carrying pollutants such as dust and sulfur dioxide and entering in the air, and the city is shrouded in smog; People healthy receives very big threat, is exactly to guarantee one of indispensable prerequisite of people's general level of the health to the control of sulfur dioxide.Basically can be divided into three major types to the sulfur dioxide control technology at present: desulfurization and burning back flue gas desulfurization in desulfurization before the burning, the burning.The a part of sulphur in the coal is deviate from desulfurization before the so-called burning exactly before coal combustion, mainly contain several kinds of doctor treatments such as physics method, chemical method and biological desulphurization; Desulfurization is a desulfuration in furnace in the burning, in coal combustion process, add absorbent (being mostly lime stone) exactly and absorb the sulfur dioxide that burning is produced, and like sulfuration bed combustion desulfurization, the solid sulphur of in-furnace calcium spraying, capturing sulfur briquette etc.; The flue gas desulfurization of burning back is generally dry method and two kinds of wet methods, and dry desulfurization has spray drying process, flue to spray into absorbent etc., and wet desulphurization is to use the most widely, and the absorbent of its use mainly is a lime stone.
At present; The prevailing method that the boiler smoke dust-removal and desulfurizing uses is a wet dedusting desulfurization; So-called wet dedusting desulfurization mainly is with desulfurizing agent solution washing flue gas in desulfurization reaction tower; Make both that strong chemical reaction take place, remove dust in flue gas and sulfide, reach the purpose of flue.Present two kinds of wet dust removal desulfurizers, a kind of is dedusting and desulfurization and integral type wet dust removal desulfurizer together, the another kind split type wet dust removal desulfurizer that to be dedusting separate with desulfurization.For split type wet dust removal desulfurizer; Mainly containing dual mode realizes; A kind of is the mode that the whirlwind multi-tube dust cleaner increases the desulfurization of spray expansion chamber, and another kind is that multi-tube dust cleaner increases the spray chamber desulfurization method, and it exists floor space big; Smoke canal elbow causes the resistance of ducting big more, continuously the shortcoming of long-term normal operation; For the integral type hydrofilter, also exist floor space big, installation period is long, and the moisture content of deduster flue gas after desulfurization is difficult to control, and the operational effect fluctuations is big, can not stablize to reach desulfurized effect.
Summary of the invention
The object of the present invention is to provide a kind of dust-removal and desulfurizing efficient high, flue is effective, and is simple to operate, convenient for maintenance management, and running environment is reliable and stable, practical flue gas desulfurization dust-removal system.
Flue gas desulfurization dust-removal system of the present invention comprises deduster 1, desulfurization and dedusting tower 2, and reaction tank 3 is characterized in that: described deduster 1 is communicated with desulfurization and dedusting tower 2 bottoms through wind pipe 4; The outlet of wind pipe 4 is equipped with impactor 41 and stretches in the desulfurization and dedusting tower 2, and the middle part is provided with air-introduced machine 42; Said reaction tank 3 is arranged on desulfurization and dedusting tower 2 belows, through communicating pipe 5 bottom with desulfurization and dedusting tower 2 be communicated with; Be communicated with on the said reaction tank 3 and be provided with the woven hose 6 that infusion pump is installed; Woven hose 6 is provided with three fluid arms 61, and the mouth of pipe of fluid arm 61 is separately installed with atomising device 62; Two fluid arms 61 of top are communicated with desulfurization and dedusting tower 2, and fluid arm 61 of below is connected with the wind pipe 4 between impactor 41 and the air-introduced machine 42.
Further, said deduster 1 comprises housing 101, dust inlet 102, air outlet 103; Electric pushrod 104, discharge outlet 105, header 106, ajutage 107; Water fender 108, magnetic valve 109, syringe pipe 110, overflow device 111; One side of its middle shell 101 is provided with dust inlet 102, is provided with the air outlet 103 that connects wind pipe 4 with dust inlet 102 corresponding tops, and the bottom arranged outside has electric pushrod 104, and the bottom is provided with discharge outlet 105; Header 106 is arranged on housing 101 inside, and is communicated with dust inlet 102; Be provided with ajutage 107 in the header 106, the top is provided with water fender 108; Magnetic valve 109 is arranged on and electric pushrod 104 corresponding housing 101 opposite sides, and syringe pipe 110 is installed on it; Overflow device 111 is arranged on outside housing 101 bottoms, and with housing 101 internal communication.
Further, said dust inlet 102 places are provided with dust block board 112; The mouth of pipe of said ajutage 107 is provided with shower nozzle 113.
Further, said desulfurization and dedusting tower 2 comprises body of the tower 21, exhaust outlet 22, and moisture trap 23, eddy flow plate 24, wherein the top of body of the tower 21 is provided with the exhaust outlet 22 that connects exhaust duct; Moisture trap 23 is arranged on exhaust outlet 22 belows; Eddy flow plate 24 is installed at interval respectively between two fluid arms 61 and moisture trap 23 of body of the tower 21 inner and upper.
Further, the corresponding moisture trap 23 in said body of the tower 21 outsides is respectively arranged with observation panel 25 with two fluid arms 61 that are positioned at the top.
Further, said reaction tank 3 both sides external are separately installed with automatic controller 31, dosing tank 32 and Aeration fan 33, and set inside has the chemical feed pipe 34 that dosing pump is installed.
Further, said automatic controller 31 also passes through circuit and infusion pump respectively, dosing pump, and dosing tank 32, Aeration fan 33 is connected with air-introduced machine 42.
Flue gas desulfurization dust-removal system of the present invention has following beneficial effect:
1) through deduster 1 at desulfurization and dedusting tower 2 outer setting high-effective dust-removings; Can carry out preliminary high-effective dust-removing to flue gas handles; Since deduster 1 inside be provided with header 106 and with a plurality of ajutages 107 that are provided with shower nozzle 113; Significant foam and water droplet have been clashed into after can making flue gas impact the water surface, to reach the purpose of preliminary high-effective dust-removing.
2) through on woven hose 6, being provided with three fluid arms 61 that atomising device 62 is installed; And the installation site of fluid arm 61 is different, can after flue gas gets into wind pipe 4, just begin so on the one hand to carry out preliminary dust-removal and desulfurizing reaction with reactant liquor, on the other hand can be in the process that flue gas rises; In tower, form full atomizing air curtain through the atomising device on the fluid arm 61 62; Flue gas is fully contacted with reactant liquor, accomplish neutralization reaction, reach the purpose of high-efficiency desulfurization.
3) through being set, automatic controller 31 controls each parts respectively; Can more efficiently carry out dosing, aeration and transfusion work timely; Guarantee the reliable and stable of running environment; Can improve simultaneously the desulfurization and dedusting effect of reaction tank 3 and desulfurization and dedusting tower 2, sulfur in smoke and dust removed fully, to reach the purpose of flue.
Description of drawings
Figure is a structural representation of the present invention
Among the figure: deduster 1; Desulfurization and dedusting tower 2; Reaction tank 3; Wind pipe 4; Communicating pipe 5; Woven hose 6; Housing 101; Dust inlet 102; Air outlet 103; Electric pushrod 104; Discharge outlet 105; Header 106; Ajutage 107; Water fender 108; Magnetic valve 109; Syringe pipe 110; Overflow device 111; Dust block board 112; Shower nozzle 113; Body of the tower 21; Exhaust outlet 22; Moisture trap 23; Eddy flow plate 24; Observation panel 25; Automatic controller 31; Dosing tank 32; Aeration fan 33; Chemical feed pipe 34; Impactor 41; Air-introduced machine 42; Fluid arm 61; Atomising device 62
The specific embodiment
Instance 1
Flue gas desulfurization dust-removal system of the present invention; Comprise desulfurization and dedusting tower 2, wind pipe 4, the deduster 1 that is arranged on desulfurization and dedusting tower 2 one sides and is communicated with desulfurization and dedusting tower 2 bottoms through wind pipe 4; Be arranged on desulfurization and dedusting tower 2 belows and reaction tank 3 through being communicated with communicating pipe 5 with desulfurization and dedusting tower 2 bottoms; Said wind pipe 4 middle parts are provided with air-introduced machine 42, one ends and stretch in the desulfurization and dedusting tower 2, and impactor 41 is installed at the mouth of pipe place that stretches in the desulfurization and dedusting tower 2; Be communicated with on the said reaction tank 3 and be provided with woven hose 6; Infusion pump is installed on the woven hose 6 and is provided with three fluid arms 61 that stretch into desulfurization and dedusting tower 2 inside; Two fluid arms 61 that are positioned at the top are communicated with desulfurization and dedusting tower 2, and fluid arm 61 of below is connected with the wind pipe 4 between impactor 41 and the air-introduced machine 42; The mouth of pipe of fluid arm 61 is separately installed with atomising device 62.
When using the present invention to carry out flue-gas dust-removing and desulfurization, flue gas is sent into deduster 1, through the dedusting effect of deduster 1, can bigger dust granules that contain in the flue gas and less dust granules be removed; After flue gas got into wind pipe 4, the reactant liquor that a fluid arm 61 that is arranged in desulfurization and dedusting tower 2 belows begins to spray reaction tank 3 carried out preliminary dust-removal and desulfurizing reaction; Reactant liquor in the reaction tank 3 gets into desulfurization and dedusting tower 2 bottoms through communicating pipe 5 simultaneously; Flue gas gets in the desulfurization and dedusting tower 2 under the effect of air-introduced machine 42 afterwards; Under the effect of the impactor 41 at wind pipe 4 mouth of pipe places; Liquid levels in the flue gas high speed impact desulfurization and dedusting tower 2 and produce intensive bubble; Make trickle dust fall into circulation fluid, part sulfur dioxide gas and reactant liquor generation neutralization reaction; In the process that flue gas rises; Two the fluid arms 61 that are positioned at desulfurization and dedusting tower 2 tops form full atomizing air curtain through atomising device 62 at tower; Flue gas is fully contacted with reactant liquor, accomplish neutralization reaction, discharge desulfurization and dedusting tower 2 after reaching the purpose of high-efficiency desulfurization.
Flue gas desulfurization dust-removal system of the present invention, as shown in the figure, wherein deduster 1 comprises housing 101; Shown in a side of housing 101 be provided with dust inlet 102; Be provided with the air outlet 103 that connects wind pipe 4 with dust inlet 102 corresponding tops, the bottom arranged outside has electric pushrod 104, and the bottom is provided with discharge outlet 105; The bottom is provided with the overflow device 111 with housing 101 internal communication outward, and inside is provided with the header 106 that is communicated with dust inlet 102; Dust inlet 102 places are provided with dust block board 112; The mouth of pipe of ajutage 107 is provided with shower nozzle 113; Be provided with ajutage 107 in the header 106, the top is provided with water fender 108; Magnetic valve 109 is arranged on and electric pushrod 104 corresponding housing 101 opposite sides, and syringe pipe 110 is installed on it.After flue gas gets into the deduster inside through dust inlet 102, fall after bigger dust granules is stopped by dust block board 112 in the flue gas and remove; Less dust granules sprays from shower nozzle 113 through ajutage 107 and with higher speed along with air-flow together gets into header 106 again, has clashed into significant foam and water droplet behind the impact water surface, to reach the purpose of the preliminary high-effective dust-removing of flue gas; Flue gas behind the preliminary high-effective dust-removing is removed water droplet contained in the air through water fender 108, gets into through air outlet 103 and carries out desulfurization and further dust removal process in the desulfurization and dedusting tower 2; Because the whole dust removal process of flue gas carries out under negative pressure state, the height of the water surface can control to adjust through overflow device 111; Water in the casing is after using certain hour simultaneously; Can contain amounts of dust in the water and need change water; Can discharge outlet 105 pistons be opened effluent sewerage by electric pushrod 104; Control magnetic valve 109 afterwards and water is sent into through syringe pipe 110 accomplished retaining in the casing, make deduster 1 get into the dedusting duty.
Wherein, Desulfurization and dedusting tower 2 comprises body of the tower 21; Be arranged on the top of body of the tower 21 and the exhaust outlet 22 of connection exhaust duct; Be arranged on the moisture trap 23 of exhaust outlet 22 belows, be installed in the eddy flow plate 24 between two fluid arms 61 of body of the tower 21 inner and upper and moisture trap 23 at interval, be arranged on the observation panel 25 at the corresponding moisture trap 23 in body of the tower 21 outsides and two fluid arm 61 places that are positioned at the top.Owing to be provided with eddy flow plate 24, the flue gas rotation is risen, with the holdup time of prolong smoke in tower, strengthen the effect of desulfurization and dedusting; Eddy flow plate 24 can make the fractional wettability flue gas produce gas-water separation simultaneously, gets into moisture trap 23 then and realizes more comprehensively gas-water separation, further discharges through exhaust outlet 22 behind the clean flue gas.
Wherein, reaction tank 3 both sides external are separately installed with automatic controller 31, dosing tank 32 and Aeration fan 33, and set inside has the chemical feed pipe 34 that dosing pump is installed; Automatic controller 31 also passes through circuit and infusion pump respectively, dosing pump, and dosing tank 32, Aeration fan 33 is connected with air-introduced machine 42, can further carry out dosing, aeration and transfusion work timely and effectively, realizes the purpose of flue gas efficient desulfurizing and dust collecting.
All the other structures and occupation mode are as described in the instance 1.
Claims (7)
1. dusting and desulfuring system comprises deduster (1), desulfurization and dedusting tower (2), and reaction tank (3) is characterized in that: described deduster (1) is communicated with desulfurization and dedusting tower (2) bottom through wind pipe (4); The outlet of wind pipe (4) is equipped with impactor (41) and stretches in the desulfurization and dedusting tower (2), and the middle part is provided with air-introduced machine (42); Said reaction tank (3) is arranged on desulfurization and dedusting tower (2) below, through communicating pipe (5) bottom with desulfurization and dedusting tower (2) be communicated with; Said reaction tank (3) is gone up to be communicated with and is provided with the woven hose (6) that infusion pump is installed; Woven hose (6) is provided with three fluid arms (61), and the mouth of pipe of fluid arm (61) is separately installed with atomising device (62); Two fluid arms (61) of top are communicated with desulfurization and dedusting tower (2), and a fluid arm (61) of below is connected with wind pipe (4) between impactor (41) and the air-introduced machine (42).
2. dusting and desulfuring system according to claim 1 is characterized in that: said deduster (1) comprises housing (101), dust inlet (102), air outlet (103); Electric pushrod (104), draining (105), header (106); Ajutage (107), water fender (108), magnetic valve (109); Syringe pipe (110), overflow device (111), a side of its middle shell (101) is provided with dust inlet (102); Be provided with the air outlet (103) that connects wind pipe (4) with the corresponding top of dust inlet (102), the bottom arranged outside has electric pushrod (104), and the bottom is provided with discharge outlet (105); Header (106) is arranged on housing (101) inside, and is communicated with dust inlet (102); Be provided with ajutage (107) in the header (106), the top is provided with water fender (108); Magnetic valve (109) is arranged on and the corresponding housing of electric pushrod (104) (101) opposite side, and syringe pipe (110) is installed on it; Overflow device (111) is arranged on outside housing (101) bottom, and with housing (101) internal communication.
3. dusting and desulfuring system according to claim 2 is characterized in that: said dust inlet (102) locates to be provided with dust block board (112); The mouth of pipe of said ajutage (107) is provided with shower nozzle (113).
4. dusting and desulfuring system according to claim 1; It is characterized in that: said desulfurization and dedusting tower (2) comprises body of the tower (21), exhaust outlet (22), moisture trap (23); Eddy flow plate (24), wherein the top of body of the tower (21) is provided with the exhaust outlet (22) that connects exhaust duct; Moisture trap (23) is arranged on exhaust outlet (22) below; Eddy flow plate (24) is installed between two the fluid arms (61) and moisture trap (23) that are positioned at body of the tower (21) inner and upper respectively at interval.
5. dusting and desulfuring system according to claim 4 is characterized in that: said body of the tower (21) outside corresponding moisture trap (23) is respectively arranged with observation panel (25) with two fluid arms (61) above being positioned at.
6. dusting and desulfuring system according to claim 1 is characterized in that: said reaction tank (3) both sides external is separately installed with automatic controller (31), dosing tank (32) and Aeration fan (33), and set inside has the chemical feed pipe (34) that dosing pump is installed.
7. dusting and desulfuring system according to claim 6 is characterized in that: said automatic controller (31) also passes through circuit and infusion pump respectively, dosing pump, and dosing tank (32), Aeration fan (33) is connected with air-introduced machine (42).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101164993A CN102657985A (en) | 2012-04-19 | 2012-04-19 | Smoke sulfur-removing and dust-removing system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2012101164993A CN102657985A (en) | 2012-04-19 | 2012-04-19 | Smoke sulfur-removing and dust-removing system |
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| CN102657985A true CN102657985A (en) | 2012-09-12 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2012101164993A Pending CN102657985A (en) | 2012-04-19 | 2012-04-19 | Smoke sulfur-removing and dust-removing system |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105112109A (en) * | 2015-09-21 | 2015-12-02 | 陕西煤业化工集团神木天元化工有限公司 | Raw gas separation system |
| CN105561712A (en) * | 2014-10-20 | 2016-05-11 | 苟亚松 | Purification and dust collection device |
| CN106994277A (en) * | 2017-05-11 | 2017-08-01 | 广东绿深环境工程有限公司 | Wet-scrubbing equipment and dust removal method that combustible dust is removed with sediment |
| CN107029522A (en) * | 2017-05-31 | 2017-08-11 | 四川省阳子森环保设备有限公司 | A kind of flue gas desulfurization handles integrated apparatus |
| CN110975530A (en) * | 2019-12-30 | 2020-04-10 | 苏州仕净环保科技股份有限公司 | Desulfurization and denitrification device suitable for cement firing process |
-
2012
- 2012-04-19 CN CN2012101164993A patent/CN102657985A/en active Pending
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561712A (en) * | 2014-10-20 | 2016-05-11 | 苟亚松 | Purification and dust collection device |
| CN105561712B (en) * | 2014-10-20 | 2017-12-15 | 苟亚松 | Purifying and dedusting device |
| CN105112109A (en) * | 2015-09-21 | 2015-12-02 | 陕西煤业化工集团神木天元化工有限公司 | Raw gas separation system |
| CN106994277A (en) * | 2017-05-11 | 2017-08-01 | 广东绿深环境工程有限公司 | Wet-scrubbing equipment and dust removal method that combustible dust is removed with sediment |
| CN107029522A (en) * | 2017-05-31 | 2017-08-11 | 四川省阳子森环保设备有限公司 | A kind of flue gas desulfurization handles integrated apparatus |
| CN110975530A (en) * | 2019-12-30 | 2020-04-10 | 苏州仕净环保科技股份有限公司 | Desulfurization and denitrification device suitable for cement firing process |
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Application publication date: 20120912 |