CN201127881Y - Multiple-fluid column rotational flow scrubbing and desulfurizing tower - Google Patents
Multiple-fluid column rotational flow scrubbing and desulfurizing tower Download PDFInfo
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- CN201127881Y CN201127881Y CNU2007200961108U CN200720096110U CN201127881Y CN 201127881 Y CN201127881 Y CN 201127881Y CN U2007200961108 U CNU2007200961108 U CN U2007200961108U CN 200720096110 U CN200720096110 U CN 200720096110U CN 201127881 Y CN201127881 Y CN 201127881Y
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- gas washing
- eddy flow
- liquid
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Abstract
The utility mode relates to wet-type desulfurizaion dust removal equipment, which is a multi-liquid-column swirling-flow gas-washing desulfurization tower. Compared with the regular desulfurization tower, the wet-type desulfurizaion dust removal equipment changes the big diameter tower to a plurality of small diameter towers with the same structure. A gas-washing desulfurization device which comprises swirling-flow gas-washing units is added, the swirling gas flow formed by a swirler is in contact with the inflow pulp in reverse order at the lower part of a barrel-shaped element, at that positon the pulp is boosted by the power of the swirling-flow gas, a dynamic liquid-gas mixture liquid-column section is formed in the column barrel of the swirling-flow gas-washing desulfurization device units, absorption liquid is rotated and cut and broken in the liquid-gas mixture liquid-column section, the turbulent mass-transfer process is made, the stay time of the pulp and the liquid-gas contact area are greatly increased. The reacted pulp flows to the swirler along the barrel wall of the barrel-shaped element, and flows out from the swirling-flow gas-washing desulfurizatiion device unit along blades. The desulfurization tower with the structure has the advantages that the flow speed of the absorption liquid is higher, the absorption efficiency to the SO2 is high, the diameter of the desulfurization tower is smaller, the occupied area is reduced, the scaling and the block do not occur, the structure is simple, and the manufacturing and the maintenance are convenient.
Description
Technical field:
The utility model relates to a kind of Wet-type desulfurize and dust removing equipment, particularly a kind of many fluid columns eddy flow gas washing desulfurizing tower that is suitable in the bigger wet desulphurization engineering of flue gas treating capacities such as steel enterprise sintering stove.
Background technology:
The wet type desulfurizing technology is to purify in the flue gas to remove SO
2The most a kind of method of most important applications.Mainly be the SO that in the absorption tower, uses in the akaline liquid absorption cleaning flue gas
2, to reach desulfurized effect.
In general sweetening process, handled flue gas is a low concentration SO
2Flue gas, the flue gas treating capacity is considerable, requires desulphurization plant continuously efficiently to purify flue gas.Therefore, need SO
2Gas in the absorption tower with akaline liquid carry out continuously, chemical reaction fast, therefore select for use continuous phase, liquid gas turbulent extent height, absorption tower that boundary is bigger proper as desulfurizing tower and desulfurizing dust-collector.These basic demands can be satisfied in the spray column that generally uses, packed tower, spray tower, plate column, venturi absorption tower etc. now.But exist with the slurry amount greatlyyer, liquid, gas phase are not long time of contact, and the easy fouling corrosion of equipment, desulphurization cost height, the problem that the management maintenance workload is bigger.The scheme of revolving in the remittance coupled desulfurization device as patent 02282243.7 is that eddy flow plate and cylinder manifold make flue gas and slurries eddy flow and the coupling of confluxing, form the turbulent flow space and cause the very big gas-liquid mass transfer system of rotation, upset, turbulivity in device internal reaction process, flue gas is effectively finished sweetening process in this device.Present desulphurization plant major defect is that liquid gas is short time of contact, the liquid-gas ratio height, and equipment is perishable, the maintenance cost height.
Summary of the invention:
The purpose of this utility model just is to overcome above-mentioned deficiency of the prior art, and a kind of many fluid columns eddy flow gas washing desulfurizing tower is provided, and the utility model is to SO
2The absorption efficiency height, it is little to absorb resistance, effectively prolongs liquid gas time of contact, non-scaling does not stop up, and is wear-resistant, corrosion-resistant, makes and easy to maintenance long service life.
The technical solution of the utility model is: a kind of many fluid columns eddy flow gas washing desulfurizing tower is characterized in that comprising one-level shower (12) in tower body (1), smoke inlet (11), exhanst gas outlet (15), liquid outlet (16) and the tower, by upper backup pad, lower supporting plate and run through many fluid columns eddy flow gas washing desulfurizer, secondary shower (13), the demister (14) formed wherein a plurality of eddy flow gas washings unit and form; In main workspace, take many fluid columns unit, the major diameter tower has been become the identical minor diameter tower of several structures, i.e. eddy flow gas washing unit.The rising swirling eddy that produces by cyclone (5) in each unit and the slurries of inflow form one section gas and liquid mixture shell of column in tube-like element, flue gas and absorption liquid are evenly mixed on tower body absorber portion cross section, finish sweetening process fast.
Above-mentioned eddy flow gas washing unit is made up of tube-like element (4), cyclone (5), equal spiracular plate (8) and connector (7).
Above-mentioned tube-like element is for running through upper backup pad (3), lower supporting plate (6), and the bottom has the round parts of flange.Tube-like element 4) is connected with upper backup pad (3) tack, certain extension arranged with lower supporting plate (6).
The outside of above-mentioned cyclone (5) is a tubular structure, the centre is a cylinder fuse (10) that the top is tapered, between cylinder fuse (10) and urceolus, be evenly distributed with the blades (9) of 4～8 plate or radians less than 20 degree, blade one end fully is connected at a certain angle with the cylinder fuse, and the other end and cyclone (5) outer wall are fully to be connected with equal angles.Equipment is when work, and each eddy flow gas washing unit all in work, forms many fluid columns desulfurizer simultaneously.
When cyclone (5) blade was flat board, the blade connection angle was that blade plane is and fuse axial line angle, and when swirler blades was the camber plate, the blade connection angle was and fuse axial line angle that computational methods are for the blade central tangent:
Wherein L is the height of fuse, and H is the diameter of fuse.
Above-mentioned gas washing desulfurizer composes in parallel the smoke absorption section by a plurality of eddy flow gas washings unit.The exhaust gas volumn of each desulfurization gas washing cell processing is 5000～10000NM
3/ h.The quantity of desulfurization air-washer is according to the flue gas flow setting in the tower, and computational methods are:
Gas washing desulfurization unit number
Q: total exhaust gas volumn (NM
3/ h)
M: processed in units exhaust gas volumn (NM
3/ h)
5000≤M≤10000
Above-mentioned equal spiracular plate is the circular slab that the middle part has circular depressed, on 3～8 fan-shaped passages of arranging around the center of circle are arranged, all the outward flange of spiracular plate has and fixedly uses the hole.
The utility model advantage is: take many fluid columns unit that the major diameter tower has been become the identical minor diameter tower structure of several structures, the rising resistance of the swirling eddy height of gas and liquid mixture shell of column just in each unit, the fluid column section that equates highly is that flow resistance equates, has solved flue gas and absorption liquid mobile inhomogeneous, the inhomogeneous and uneven problem of mixing intensity of mixing on tower body absorber portion cross section.And reduced the requirement of desulfurizing tower to slurries nozzle performance, arrangement of nozzles.
Take many fluid columns cellular construction, flue gas in each unit, absorption liquid flow velocity are bigger, have significantly reduced the generation of fouling and clogging.Each element of fluid column unit is all taked the anticorrosion and Wear-resistant Treatment of acid-fast alkali-proof, solves etching problem.
Beneficial effect:
(1) mixing intensity is bigger between gas-liquid, SO
2The absorption efficiency height, liquid-gas ratio is little, and liquid-gas ratio is between 3-10.
(2) disturbance is strong between gas-liquid, and it is little to absorb resistance, to SO
2The absorption efficiency height, desulfuration efficiency can reach 99%;
(3) the desulfurizing tower diameter is less, reduces floor space;
(4) simple in structure, manufacturing and easy to maintenance;
(5) non-scaling does not stop up.
Description of drawings:
Fig. 1: the utility model structural representation
Fig. 2: the utility model structure schematic top plan view
Fig. 3: the utility model eddy flow gas washing desulfurizer cell schematics
Fig. 4: the utility model hydrocyclone structure A-A cutaway view
Fig. 5: the utility model hydrocyclone structure schematic diagram
Fig. 6: the equal spiracular plate side view of the utility model
Fig. 7: the equal spiracular plate structural representation of the utility model
Specific embodiment
Referring to Fig. 1 the utility model structural representation, many fluid columns eddy flow gas washing desulfurizing tower comprises tower body (1), smoke inlet (11), exhanst gas outlet (15), liquid outlet (16), one-level shower (12), gas washing desulfurizer (2), secondary shower (13), demister (14) composition.Eddy flow gas washing desulfurizer (2) is made up of a plurality of gas washing desulfurizers unit, and each gas washing desulfurizer unit is made up of tube-like element (4), cyclone (5), equal spiracular plate (8) and connector (7).Cyclone (5) is installed in the tube-like element (4) by flange, cyclone (5) following all spiracular plate (8) and connector (7).Eddy flow gas washing desulfurizer is supported by upper backup pad (2) and lower supporting plate (7) and is loaded in the tower body (1).Having 4-8 the blade (9) with certain angle on the cyclone (5), is that a top is tapered cylinder fuse (10) in the middle of it, links to each other the other end and simplified linking to each other of cyclone (5) with the cylinder fuse in the middle of the blade.Equal spiracular plate (8) is equipped with in the interior cyclone of tube-like element (4) (5) bottom.
Operation principle: flue gas enters in the tower from desulfurizing tower bottom smoke inlet (11), through with the desulfurization slurry hybrid cooling of one-level shower (12) ejection after, remove part SO
2Behind dust, air-flow upwards flows, enter cyclone (5) through equal spiracular plate (8), absorption liquid is sprayed by the second level, top shower (13), after upper backup pad (3) converges, flow in the tube-like element (4), contact with the slurries of inflow are reverse in tube-like element (4) bottom with the air-flow that forms eddy flow by cyclone (5) back, slurries are held by rotational flow gas power herein, (4) form a dynamic fluid flow gas mixed liquor shell of column in eddy flow gas washing desulfurizer unit cylindrical drum, absorption liquid rotary-cut in this gas and liquid mixture shell of column, turbulent mass transport process is carried out in fragmentation, has greatly increased the slurries time of staying and gas-liquid contact area.Reacted slurries flow to cyclone along the barrel of tube-like element (4), and flow out eddy flow gas washing desulfurizer unit along blade.Flue gas once more after the desulfurization, is deviate from part moisture through demister (14) through secondary shower (15), discharges tower body (1) by the exhanst gas outlet (15) on tower top.Slurries enter circulating sedimentation tank through leakage fluid dram (16) outflow and recycle.
Claims (7)
1. the gas washing of fluid column eddy flow more than kind desulfurizing tower, gas washing desulfurizer (2), secondary shower (13), the demister (14) of it is characterized in that comprising one-level shower (12) in tower body (1), smoke inlet (11), exhanst gas outlet (15), liquid outlet (16) and the tower, being made up of upper backup pad (3), lower supporting plate (6) and eddy flow gas washing unit are wherein formed; Eddy flow gas washing unit is made up of tube-like element (4), cyclone (5), equal spiracular plate (8) and connector (7).
2. many fluid columns eddy flow gas washing desulfurizing tower according to claim 1 is characterized in that: above-mentioned eddy flow gas washing unit is made up of tube-like element (4), cyclone (5), equal spiracular plate (8) and connector (7).
3. many fluid columns eddy flow gas washing desulfurizing tower according to claim 1, it is characterized in that: 4～8 blades (9) with certain angle are arranged on the above-mentioned cyclone (5), in the middle of it is a cylinder fuse (10) that the top is tapered, the outside is a tubular construction, blade (9) one ends are connected fully with cylinder fuse (10), and the other end is connected fully with cyclone (5) outer wall.
4. many fluid columns eddy flow gas washing desulfurizing tower according to claim 3, it is characterized in that: blade angle is the angle of blade vertical plane or arc central tangent and fuse axial line, and computational methods are:
Wherein L is the height of fuse, and H is the diameter of fuse.
5. many fluid columns eddy flow gas washing desulfurizing tower according to claim 1 is characterized in that: above-mentioned a plurality of gas washing desulfurizers compose in parallel the smoke absorption section, and each gas washing desulfurizer smoke treatment amount is 5000～10000NM
3/ h, the quantity of tower wash-in qi exhaustion sulphur device is according to the flue gas flow setting, and computational methods are:
Gas washing desulfurization unit number
Q: total exhaust gas volumn NM
3/ h
M: processed in units exhaust gas volumn NM
3/ h
5000≤M?≤10000
6. many fluid columns eddy flow gas washing desulfurizing tower according to claim 1, it is characterized in that: above-mentioned equal spiracular plate (8) has the circular slab of circular depressed for the middle part, on 3～8 fan-shaped passages of arranging around the center of circle are arranged, all the outward flange of spiracular plate (8) has and fixedly uses the hole.
7. many fluid columns eddy flow gas washing desulfurizing tower according to claim 1 is characterized in that: eddy flow gas washing unit forms the fluid column section that one section dynamic liquid gas mixes in cyclone (5) top when work.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200961108U CN201127881Y (en) | 2007-05-25 | 2007-05-25 | Multiple-fluid column rotational flow scrubbing and desulfurizing tower |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2007200961108U CN201127881Y (en) | 2007-05-25 | 2007-05-25 | Multiple-fluid column rotational flow scrubbing and desulfurizing tower |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201127881Y true CN201127881Y (en) | 2008-10-08 |
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ID=40015706
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNU2007200961108U Expired - Fee Related CN201127881Y (en) | 2007-05-25 | 2007-05-25 | Multiple-fluid column rotational flow scrubbing and desulfurizing tower |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716639A (en) * | 2012-07-20 | 2012-10-10 | 中电投远达环保工程有限公司 | High-efficiency wet-type electric dust removal and desulfuration system and process |
| CN104190231A (en) * | 2014-09-03 | 2014-12-10 | 航天环境工程有限公司 | Pneumatic guiding flue gas mixing device and application thereof |
| CN105169925A (en) * | 2015-09-28 | 2015-12-23 | 龙创信恒（北京）科技有限公司 | Rotational flow reaction device and flue gas desulfurization device |
| CN105498498A (en) * | 2016-01-07 | 2016-04-20 | 航天环境工程有限公司 | Desulfuration and dust-removal absorption tower with cyclone tray |
| CN106902576A (en) * | 2017-04-14 | 2017-06-30 | 宜兴市东方锅炉除尘设备厂有限公司 | Whirlwind module and pipe-type rotary-flow dust arrester |
| CN106914067A (en) * | 2017-04-14 | 2017-07-04 | 宜兴市东方锅炉除尘设备厂有限公司 | Wind guiding device and cyclonic separation unit |
-
2007
- 2007-05-25 CN CNU2007200961108U patent/CN201127881Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102716639A (en) * | 2012-07-20 | 2012-10-10 | 中电投远达环保工程有限公司 | High-efficiency wet-type electric dust removal and desulfuration system and process |
| CN102716639B (en) * | 2012-07-20 | 2014-08-20 | 中电投远达环保工程有限公司 | High-efficiency wet-type electric dust removal and desulfuration system and process |
| CN104190231A (en) * | 2014-09-03 | 2014-12-10 | 航天环境工程有限公司 | Pneumatic guiding flue gas mixing device and application thereof |
| CN105169925A (en) * | 2015-09-28 | 2015-12-23 | 龙创信恒（北京）科技有限公司 | Rotational flow reaction device and flue gas desulfurization device |
| CN105498498A (en) * | 2016-01-07 | 2016-04-20 | 航天环境工程有限公司 | Desulfuration and dust-removal absorption tower with cyclone tray |
| CN106902576A (en) * | 2017-04-14 | 2017-06-30 | 宜兴市东方锅炉除尘设备厂有限公司 | Whirlwind module and pipe-type rotary-flow dust arrester |
| CN106914067A (en) * | 2017-04-14 | 2017-07-04 | 宜兴市东方锅炉除尘设备厂有限公司 | Wind guiding device and cyclonic separation unit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081008 Termination date: 20150525 |
|
| EXPY | Termination of patent right or utility model |