CN104874273B - A kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle - Google Patents
A kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle Download PDFInfo
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- CN104874273B CN104874273B CN201510240057.3A CN201510240057A CN104874273B CN 104874273 B CN104874273 B CN 104874273B CN 201510240057 A CN201510240057 A CN 201510240057A CN 104874273 B CN104874273 B CN 104874273B
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Abstract
The invention discloses a kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle, the bottom side of desulfurizing tower are provided with gas approach, the top side of desulfurizing tower is provided with exhanst gas outlet；Desulfurizing tower inner chamber below gas approach is set to desulfuration solution circulation section, desulfurizing tower inner chamber above gas approach is sequentially provided with the first mist eliminator flushing water pipe, the first demister, the second mist eliminator flushing water pipe and the second demister, wash tub pipe and is each provided with multiple shower nozzles from bottom to top；Each wash tub pipe is connected by communicating pipe with the flushing supply mains outside tower respectively, and provided with electric control valve on respective communicating pipe；In the top of the second demister provided with depth demisting, except the residual dirt device of the spittle, depth demisting, the supporting layer for including being fixedly connected with desulfurization inner wall of tower except spittle device, bear down on one layer, and packing layer is provided between supporting layer, the layer that bears down on one.The present invention, which can be substantially reduced, is discharged into that air flue gas is aqueous and the residual dirt of the spittle, is conducive to meeting depth environmental requirement.
Description
Technical field：
The present invention relates to a kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle.
Background technology：
There is problem and be mainly in existing desulfuration absorbing tower demister：Though flue gas is after first, second demisting, flue gas
Moisture content and the residual dirt of the spittle of entrainment are still very high, do not reach the requirement of depth environmental protection.
The content of the invention：
To overcome the defect of prior art, it is an object of the invention to provide a kind of Novel desulfurization tower depth demisting, except winged
The residual dirt device of foam, particular by a kind of Novel desulfurization tower depth demisting of increase, except the residual dirt device of the spittle, can substantially reduce and be discharged into
Air flue gas is aqueous and the residual dirt of the spittle, is conducive to meeting depth environmental requirement.
The present invention solves technical problem and adopted the following technical scheme that：
A kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle, the bottom side of the desulfurizing tower is entered provided with flue gas
Mouthful, the top side of desulfurizing tower is provided with exhanst gas outlet；Desulfurizing tower inner chamber below the gas approach is set to desulfuration solution circulation
Desulfurizing tower inner chamber above section, gas approach is sequentially provided with the first mist eliminator flushing water pipe, the first demister, second from bottom to top
It is each on the first mist eliminator flushing water pipe, the second mist eliminator flushing water pipe in mist eliminator flushing water pipe and the second demister, tower
From provided with multiple shower nozzles；The first mist eliminator flushing water pipe, the second mist eliminator flushing water pipe respectively by communicating pipe and tower outside
Flushing supply mains connection, and on respective communicating pipe be provided with electric control valve；It is provided with the top of second demister
Depth demisting, except the residual dirt device of the spittle, the depth demisting, include the support that is fixedly connected with desulfurization inner wall of tower except spittle device
Layer, bear down on one layer, between the supporting layer, the layer that bears down on one be provided with packing layer.
In the depth demisting, except being additionally provided with depth demisting above the residual dirt device of the spittle, except the residual dirt device punching of the spittle
Wash pipe, the depth demisting, be provided with multiple shower nozzles except the residual dirt device flush pipe of the spittle, flush pipe by communicating pipe and tower outside
Supply mains's connection is rinsed, and provided with electric control valve on communicating pipe.
The supporting layer, the layer that bears down on one are the grid web frames made by engineering plastics, and the grid length of side of the grid is
30mm；Several polyhedron empty balls that described filler layer is made by engineering plastics are constituted, hollow bulb diameter 35-40mm it
Between, the overall height of packing layer is between 480-520mm.
Desulfurization pump inlet pipe is provided with the bottom of the desulfuration solution circulation section, and on the desulfurization pump inlet pipe radially
Air blown pipe is communicated with, the air blown pipe is provided with electric control valve, and the desulfurization pump inlet pipe is provided with desulfurization pump
Inlet valve；And screen pack is provided with the oral area of the desulfurization pump inlet pipe, prevent the foreign matter in desulfuration solution circulation section from entering de-
Sulphur pump inlet pipe.
Agitator is provided with the desulfuration solution circulation section, desulfurizing tower barrel is provided with motor, the agitator
Power transmission shaft is connected by shaft coupling with the output shaft of the motor.
Compared with the prior art, beneficial effects of the present invention are embodied in：
In the present invention, the Novel desulfurization tower depth demisting, the application except the residual dirt device of the spittle can substantially reduce and be discharged into air
Flue gas is aqueous and the residual dirt of the spittle, is conducive to meeting depth environmental requirement, so as to reach environmental emission standard.
1st, desulfuration absorbing tower demisting is improved, except the residual dirt ability of the spittle；
2nd, environment is protected, pollution is reduced, while reclaiming substantial amounts of water smoke, has saved and has used water.
3rd, because from corrosion-and high-temp-resistant enhancement engineering plastic production supporting layer, bear down on one layer and polyhedron empty ball, use
Temperature is up to 110 DEG C, and packing layer design resistance is controlled within for 200Pa, substantially reduces and is discharged into that air flue gas is aqueous and the spittle
Residual dirt, is conducive to meeting depth environmental requirement.
4th, progress blowback at the desulfurization pump inlet stopped being fitted over through pipeline using 0.5-0.7Mpa air, will be sticked to
Crystal and tamper on filter screen are blown off, general to blow down 3-5min, are then restarted desulfurization pump and are continued to run with.Blow down
Control can realize automatic control by electric control valve, to ensure the normal operation of desulphurization system, improve desulfuration efficiency.In the same of blowback
When be actually toward oxygen supply in desulphurization circulating liquid, add the stirring action of agitator, more contribute to the oxidation of desulphurization circulating liquid,
Improve and absorb SO2Ability, can finally make SO in the flue gas of discharge2Content be less than 40mg/Nm3。
Brief description of the drawings：
Fig. 1 is general structure schematic diagram of the invention；Fig. 2 is the structural representation of desulfuration solution circulation section；Fig. 3 is desulfurization
The superstructure schematic diagram of tower.
Label in figure：1 gas approach, 2 desulfuration solution circulation sections, 3 exhanst gas outlets, 4 first mist eliminator flushing water pipes, 5
One demister, 6 second mist eliminator flushing water pipes, 7 second demisters, 8 demistings, except spittle device, 81 supporting layers, 82 bear down on one layer,
83 packing layers, 9 demistings, except the residual dirt device flush pipe of the spittle, 10 desulfurization pump inlet pipes, 11 air blown pipes, 12 electric control valves,
13 desulfurization pump inlet valves, 14 agitators, 15 motors.
Below by way of embodiment, and with reference to accompanying drawing, the invention will be further described.
Embodiment：
Embodiment：Referring to accompanying drawing, the desulfurizing tower depth demisting of the present embodiment, except the residual dirt device of the spittle, the bottom of desulfurizing tower
Side is provided with gas approach 1, and the top side of desulfurizing tower is provided with exhanst gas outlet 3；The desulfurizing tower inner chamber of the lower section of gas approach 1 is set to
Desulfurizing tower inner chamber above desulfuration solution circulation section 2, gas approach be sequentially provided with from bottom to top the first mist eliminator flushing water pipe 4,
The first mist eliminator flushing water pipe in first demister 5, the second mist eliminator flushing water pipe 6 and the second demister 7, tower, second
Multiple shower nozzles are each provided with mist eliminator flushing water pipe；First mist eliminator flushing water pipe, the second mist eliminator flushing water pipe lead to respectively
Cross and connected with the flushing supply mains outside tower communicating pipe, and provided with electric control valve on respective communicating pipe；In specific setting, the
Two mist eliminator flushing water pipes are set side by side with two rows, and the shower nozzle of the wash tub pipe on upper strata sprays to the second demister, lower floor
The shower nozzle of wash tub pipe sprays to the first demister, and the flue gas after such desulfurization passes sequentially through first, second layer of demisting from bottom to top
The direction of motion can change during device, cornering maneuver occur, from the hydrodynamics of medium for, be conducive to demisting process, improve
Except fog effect, flue gas with water phenomenon is reduced.In implementation, flushing water is introduced by feedwater electric adjustable by rinsing supply mains after softening
Save valve to enter in the first mist eliminator flushing water pipe in desulfuration absorbing tower, the first demister is rinsed, the doctor solution on demister
The impurity such as foam and crystal is rinsed well, the second mist eliminator flushing water pipe dress that softened water is synchronously entered back into desulfuration absorbing tower
Put, the wash tub pipe of two rows rinses the first demister and the second demister respectively, the doctor solution foam on demister and
The impurity such as crystal are further thoroughly rinsed well.Ensure the length removed fog effect, ensure desulfuration absorbing tower of desulfuration absorbing tower
Periodic duty.
Depth demisting is additionally provided with the top of the second demister 7, except the residual dirt device 8 of the spittle, the depth demisting, except spittle dress
Put 8 supporting layers 81 for including being fixedly connected with desulfurization inner wall of tower, bear down on one layer 82, provided with filling out between supporting layer 81, the layer 82 that bears down on one
The bed of material 83, continues to be separated off the water smoke and the residual dirt of the spittle of residual.
In depth demisting, except the top of the residual dirt device 8 of the spittle it is additionally provided with depth demisting, except the residual dirt device flush pipe of the spittle
9, depth demisting, multiple shower nozzles are provided with except the residual dirt device flush pipe 9 of the spittle, flush pipe passes through the flushing water outside communicating pipe and tower
House steward connects, and provided with electric control valve on communicating pipe.
In specific setting, supporting layer 81, the layer 82 that bears down on one are the grid web frame made by engineering plastics, the grid of grid
The length of side is 30mm；Several polyhedron empty balls that packing layer 83 is made by engineering plastics are constituted, and hollow bulb diameter is in 35-40mm
Between, the overall height of packing layer is between 480-520mm.
Desulfuration solution is recycled, and desulfurization pump inlet pipe 10 is provided with the bottom of desulfuration solution circulation section, and in desulfurization pump
Radial communication is free gas blowout blowpipe 11 on inlet tube 10, and air blown pipe 11 is provided with electric control valve 12, desulfurization pump inlet pipe
10 are provided with desulfurization pump inlet valve 13；And screen pack is provided with the oral area of desulfurization pump inlet pipe 10, prevent desulfuration solution circulation section 2
Interior foreign matter enters desulfurization pump inlet pipe, and the blowback of injection tube can prevent the inlet portion of desulfurization pump inlet pipe 10 from blocking.
Agitator 14 is provided with desulfuration solution circulation section 2, desulfurizing tower barrel is provided with motor 15, the biography of agitator 14
Moving axis is connected by shaft coupling with the output shaft of the motor.After with certain time, to prevent desulfurization pump inlet pipe
Screen pack block, progress blowback is fitted at the desulfurization pump inlet stopped through pipeline using 0.5-0.7Mpa air, will be adhered to
Crystal and tamper on screen pack are blown off, general to blow down 3-5min, are then restarted desulfurization pump and are continued to run with.
Automatic control can be realized by electric control valve by blowing down control, to ensure the normal operation of desulphurization system, improve desulfuration efficiency.In blowback
While be actually toward oxygen supply in desulphurization circulating liquid, add the stirring action of agitator, more contribute to desulphurization circulating liquid
Oxidation, improves and absorbs SO2Ability, can finally make SO in the flue gas of discharge2Content be less than 40mg/Nm3。
Claims (4)
1. a kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle, the bottom side of the desulfurizing tower is provided with gas approach
(1), the top side of desulfurizing tower is provided with exhanst gas outlet (3)；Desulfurizing tower inner chamber below the gas approach is set to desulfuration solution
Desulfurizing tower inner chamber above circulation section (2), gas approach is sequentially provided with the first mist eliminator flushing water pipe (4), first from bottom to top
The first mist eliminator flushing water pipe in demister (5), the second mist eliminator flushing water pipe (6) and the second demister (7), tower,
Multiple shower nozzles are each provided with two mist eliminator flushing water pipes；The first mist eliminator flushing water pipe, the second mist eliminator flushing water pipe
Connected respectively by communicating pipe with the flushing supply mains outside tower, and provided with electric control valve on respective communicating pipe；Its feature
It is, in the top of second demister (7) provided with depth demisting, except the residual dirt device (8) of the spittle, the depth demisting, removes
Spittle device (8) include the supporting layer (81) being fixedly connected with desulfurization inner wall of tower, the layer that bears down on one (82), the supporting layer (81),
Bear down on one and packing layer (83) be provided between layer (82),
Desulfurization pump inlet pipe (10) is provided with the bottom of the desulfuration solution circulation section, and on the desulfurization pump inlet pipe (10)
Radial communication is free gas blowout blowpipe (11), and the air blown pipe (11) is provided with electric control valve (12), and the desulfurization pump enters
Mouth pipe (10) is provided with desulfurization pump inlet valve (13)；And screen pack is provided with the oral area of the desulfurization pump inlet pipe (10), prevent
Foreign matter in desulfuration solution circulation section (2) enters desulfurization pump inlet pipe；
Use the air blown pipe carry out demisting, except the spittle method for：Fitted over through pipeline using 0.5-0.7Mpa air
Blowback is carried out at the desulfurization pump inlet of stopping, the crystal and tamper that sticking on screen pack are blown off, 3-5min is blown down, so
Restarting desulfurization pump is continued to run with afterwards；The oxygen supply toward in desulphurization circulating liquid is that is to say while blowback, improves and absorbs SO2Energy
Power, finally makes SO in the flue gas of discharge2Content be less than 40mg/Nm3。
2. a kind of Novel desulfurization tower depth demisting according to claim 1, except the residual dirt device of the spittle, it is characterised in that
The depth demisting, except being additionally provided with depth demisting above the residual dirt device (8) of the spittle, except the residual dirt device flush pipe (9) of the spittle,
The depth demisting, except the residual dirt device flush pipe (9) of the spittle is provided with multiple shower nozzles, flush pipe passes through communicating pipe and rushing outside tower
Wash water house steward connects, and provided with electric control valve on communicating pipe.
3. a kind of Novel desulfurization tower depth demisting according to claim 1, except the residual dirt device of the spittle, it is characterised in that institute
It is the grid web frame made by engineering plastics to state supporting layer (81), the layer that bears down on one (82), and the grid length of side of the grid is
30mm；Several polyhedron empty balls that described filler layer (83) is made by engineering plastics are constituted, and hollow bulb diameter is in 35-
40mm, the overall height of packing layer is in 480-520mm.
4. a kind of Novel desulfurization tower depth demisting according to claim 1, except the residual dirt device of the spittle, it is characterised in that institute
State and agitator (14) is provided with desulfuration solution circulation section (2), desulfurizing tower barrel is provided with motor (15), the agitator
(14) power transmission shaft is connected by shaft coupling with the output shaft of the motor.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240057.3A CN104874273B (en) | 2015-05-12 | 2015-05-12 | A kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510240057.3A CN104874273B (en) | 2015-05-12 | 2015-05-12 | A kind of Novel desulfurization tower depth demisting, except the residual dirt device of the spittle |
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| CN104874273A CN104874273A (en) | 2015-09-02 |
| CN104874273B true CN104874273B (en) | 2017-09-22 |
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| CN105413371B (en) * | 2015-12-09 | 2018-05-25 | 苏州市科林除尘设备有限公司 | A kind of coal-burning boiler desulfurization demister |
| CN106669347B (en) * | 2017-01-22 | 2022-08-12 | 河南心连心化学工业集团股份有限公司 | Labyrinth type cyclone dust removal device and dust removal method |
| CN117443169B (en) * | 2023-12-26 | 2024-03-12 | 连云港中宇环保科技有限公司 | Spiral-flow type water film desulfurization dust collecting equipment |
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| JP3969949B2 (en) * | 2000-10-25 | 2007-09-05 | 関西電力株式会社 | Amine recovery method and apparatus, and decarbonation gas apparatus provided with the same |
| CN101757848A (en) * | 2009-12-17 | 2010-06-30 | 北京博奇电力科技有限公司 | Process and device for processing smoke containing sulfur dioxide and preparing solid ammonium sulfate |
| CN102698584B (en) * | 2012-06-29 | 2014-08-13 | 武汉凯迪电力环保有限公司 | Sectional absorption ammonia desulfurization process and device |
| CN203725021U (en) * | 2014-02-27 | 2014-07-23 | 青岛华拓科技股份有限公司 | Efficient integrated desulfurizing, dedusting and demisting device |
| CN204017474U (en) * | 2014-08-19 | 2014-12-17 | 西安西热锅炉环保工程有限公司 | The outer filter of a kind of absorption tower loop slurry tower |
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