CN207478300U - A kind of adjustable type desulfurization synergistic mass transfer apparatus - Google Patents
A kind of adjustable type desulfurization synergistic mass transfer apparatus Download PDFInfo
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- CN207478300U CN207478300U CN201721393439.0U CN201721393439U CN207478300U CN 207478300 U CN207478300 U CN 207478300U CN 201721393439 U CN201721393439 U CN 201721393439U CN 207478300 U CN207478300 U CN 207478300U
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Abstract
The utility model discloses a kind of adjustable type desulfurization synergistic mass transfer apparatus, fixed percolation orifice plate is fixed in the uptake zone in desulfurizing tower, the peripheral surface of fixed percolation orifice plate is in contact and seals with the inner wall of desulfurizing tower, activity percolation orifice plate is located on fixed percolation orifice plate, wherein, there is gap between activity percolation orifice plate and the inner wall of desulfurizing tower, several first percolation holes are provided on fixed percolation orifice plate, several second percolation holes are provided on activity percolation orifice plate, and one first percolation hole face, one second percolation hole, it is flowed orifice plate mobile overlapping area for adjusting the first percolation hole and the second percolation hole on fixed percolation orifice plate by driving device drive activity, the device can realize being evenly distributed with for flue gas flow field in desulfurizing tower, ensure the thickness of froth bed in desulfurizing tower, achieve the purpose that improve desulfuration efficiency and energy-saving.
Description
Technical field
The utility model belongs to wet desulphurization field, is related to a kind of adjustable type desulfurization synergistic mass transfer apparatus.
Background technology
Contain atmosphere pollution such as SO in the flue gas that coal-fired boiler combustion generates2、NOx, dust etc., be environment protection,
Improve environmental quality, it is desirable that desulphurization and denitration, dedusting are carried out to flue gas.
Limestone-gypsum Wet Flue Gas Desulfurization Process is occupied an leading position in sulfur removal technology at present.When sulfur content in coal is relatively low, generally
Using increase spraying layer, increase liquid-gas ratio and serum recycle amount, increase slurry pool height and volume, increase absorption tower in desulfurizing tower
The measures such as diameter, increase oxidation air amount improve the desulfuration efficiency of desulfurization method of limestone-gypsum equipment.With atmosphere pollution
Discharge is more and more stringenter, and atmosphere pollution minimum discharge is implemented in thermal power plant in succession, in addition as-fired coal sulfur content is higher and higher,
The measure of above-mentioned raising desulfuration efficiency is also by various limitations.Can be had using desulfurization synergistic mass transfer apparatus under normal conditions
Effect improves desulfuration efficiency.Desulfurization synergistic mass transfer apparatus is that one piece or polylith percolation orifice plate are added on the basis of spraying layer, will
Percolation orifice plate is arranged in the cross section on entire absorption tower comprehensively, and flue gas is made to be evenly distributed on whole cross section after entering absorption tower
On, also arrange that one layer of spraying layer carries out presaturation processing to flue gas below percolation orifice plate sometimes.Percolation orifice plate is with small cell
Grid.Flue gas up flows under percolation orifice plate, and slurries are sprayed down from percolation orifice plate, and flue gas and slurries are in percolation orifice surface
Strong blending occurs, forms froth bed, froth bed has very big gas-liquid contact interface, can improve to SO2Absorbability.
In recent years, with the diversification of the unstability of power coal market and coal quality, the sulfur content of as-fired coal has suitable journey
The fluctuation of degree.Secondly, fired power generating unit is persistently reduced using hour, in foreseeable future, has substantial portion of coal-burning power plant
In being chronically at, underrun.The incident above problem is that traditional desulfurization synergistic mass transfer apparatus cannot fit well
Answer unit as-fired coal sulfur content and in, underrun bring exhaust gas volumn variation, i.e., cannot adjust percolation orifice plate on percolation
Hole area can not ensure the uniformly distributed and necessary foam layer thickness to flue gas；In addition traditional desulfurization synergistic mass transfer apparatus also exists
The problem of resistance is big, high energy consumption.
Utility model content
The purpose of the utility model is to overcome the shortcomings that the above-mentioned prior art, provide a kind of adjustable type desulfurization synergistic
Mass transfer apparatus, the device can realize being evenly distributed with for flue gas flow field in desulfurizing tower, ensure the thickness of froth bed in desulfurizing tower, reach and carry
High desulfurization efficiency and energy-saving purpose.
In order to achieve the above objectives, adjustable type desulfurization synergistic mass transfer apparatus described in the utility model includes fixed percolation hole
Plate, activity percolation orifice plate and the driving device for driving activity percolation orifice plate movement；
Fixed percolation orifice plate is fixed in the uptake zone in desulfurizing tower, the peripheral surface of fixed percolation orifice plate and desulfurizing tower it is interior
Wall is in contact and seals, and activity percolation orifice plate is located on fixed percolation orifice plate, wherein, the inner wall of activity percolation orifice plate and desulfurizing tower
Between have a gap, several first percolations holes are provided on fixed percolation orifice plate, being provided with several second on activity percolation orifice plate wears
Discharge orifice, and one first percolation hole face, one second percolation hole, are worn by driving device drive activity percolation orifice plate in fixation
The mobile overlapping area for adjusting the first percolation hole and the second percolation hole on discharge orifice plate.
Several supporting beams and several support angle steels are further included, wherein, the both ends of each supporting beam are both secured to desulfurizing tower
Inner wall on, each support angle steel is circumferentially fixed on the inner wall of desulfurizing tower, and fixed percolation orifice plate is overlapped in supporting beam and support
On angle steel.
Driving device includes axostylus axostyle, fixed beam, reinforcing plate and driving mechanism, wherein, one end and the activity of reinforcing plate flow
Orifice plate is connected, and the other end of reinforcing plate is fixed in fixed beam, and one end of axostylus axostyle is connected with fixed beam, the other end of axostylus axostyle
Wall surface across desulfurizing tower is connected with driving mechanism.
The driving mechanism is manual driving device and Vidacare corp.
The driving device further includes fixed frame, wherein, fixed frame is fixed on the outer wall of desulfurizing tower, and driving mechanism is fixed
In on the fixed frame, axostylus axostyle passes through the fixed frame.
Each support angle steel is uniformly arranged in the circumferential direction, and each supporting beam is parallel and equidistantly distributed.
The number of reinforcing plate is two, wherein, two angles between reinforcing plate and fixed beam are 45 °.
The utility model has the advantages that：
Adjustable type desulfurization synergistic mass transfer apparatus described in the utility model is driven in specific works by driving device
Activity percolation orifice plate movement, so as to adjust the overlapping area in the first percolation hole and the second percolation hole, is contained with adapting to current as-fired coal
Sulfur content and unit load so as to ensure the thickness of froth bed in the uniformly distributed and desulfurizing tower of flue gas flow field, reach raising desulfuration efficiency
And energy-saving purpose, by taking coal-burning power plant's 300MW units as an example, the utility model can reduce desulphurization system resistance and be about
200Pa, it is about 700,000 kW.h to save operation power consumption year, can be met with the variation of as-fired coal sulfur content and exhaust gas volumn with realizing
Flue gas is evenly distributed with, and ensures the thickness of froth bed, reduces device resistance.
Description of the drawings
Fig. 1 is the structure diagram of the utility model；
Fig. 2 is the sectional view in A-A directions in Fig. 1；
Fig. 3 is the sectional view in B-B directions in Fig. 1；
Fig. 4 is the location diagram in the first percolation hole 6 and second percolation hole 8 in the utility model.
Wherein, 1 it is fixed percolation orifice plate, 2 be activity percolation orifice plate, 3 be axostylus axostyle, 4 be driving mechanism, 5 is fixed frame, 6
It is supporting beam for the first percolation hole, 71,72 be support angle steel, 8 be the second percolation hole, 91 be fixed beam, 92 is reinforcing plate.
Specific embodiment
The utility model is described in further detail below in conjunction with the accompanying drawings：
With reference to figure 1, Fig. 2 and Fig. 3, adjustable type desulfurization synergistic mass transfer apparatus described in the utility model includes fixed flow
Orifice plate 1, activity percolation orifice plate 2 and the driving device for activity percolation orifice plate 2 to be driven to move；Fixed percolation orifice plate 1 is fixed
In the uptake zone in desulfurizing tower, the peripheral surface of fixed percolation orifice plate 1 is in contact and seals with the inner wall of desulfurizing tower, activity percolation
Orifice plate 2 is located on fixed percolation orifice plate 1, wherein, there are gap, fixed percolation between activity percolation orifice plate 2 and the inner wall of desulfurizing tower
Several first percolation holes 6 are provided on orifice plate 1, several second percolation holes 8, and one first are provided on activity percolation orifice plate 2
6 face of hole that flows, one second percolation hole 8 is moved by driving device drive activity percolation orifice plate 2 on fixed percolation orifice plate 1
Adjust the overlapping area in the first percolation hole 6 and second percolation hole 8.
The utility model further includes several supporting beams 71 and several support angle steels 72, wherein, the two of each supporting beam 71
End is both secured on the inner wall of desulfurizing tower, and each support angle steel 72 is circumferentially fixed on the inner wall of desulfurizing tower, fixed percolation orifice plate 1
It is overlapped in supporting beam 71 and support angle steel 72.
Driving device include axostylus axostyle 3, fixed beam 91, reinforcing plate 92 and driving mechanism 4, wherein, one end of reinforcing plate 92 with
Activity percolation orifice plate 2 is connected, and the other end of reinforcing plate 92 is fixed in fixed beam 91, one end and 91 phase of fixed beam of axostylus axostyle 3
Connection, the other end of axostylus axostyle 3 pass through the wall surface of desulfurizing tower to be connected with driving mechanism 4；The driving mechanism 4 is filled for manual actuation
It puts and Vidacare corp；The driving device further includes fixed frame 5, wherein, fixed frame 5 is fixed on the outer wall of desulfurizing tower,
Driving mechanism 4 is fixed on the fixed frame 5, and axostylus axostyle 3 passes through the fixed frame 5；Each support angle steel 72 is uniformly arranged in the circumferential direction,
Each supporting beam 71 is parallel and equidistantly distributed；The number of reinforcing plate 92 is two, wherein, two reinforcing plates 92 and fixed beam 91 it
Between angle be 45 °.
With reference to figure 4, the specific work process of the utility model is：
Driving mechanism 4 is moved by axostylus axostyle 3, fixed beam 91 and 92 drive activity of reinforcing plate percolation orifice plate 2, to adjust first
The hole 6 and second that flows flows the overlapping area in hole 8, when as-fired coal sulfur content is high or exhaust gas volumn reduces, reduces first and flows hole 6
With the overlapping area in the second percolation hole 8；When as-fired coal sulfur content is low or exhaust gas volumn increases, the first percolation of increase hole 6 and second
The overlapping area in percolation hole 8 to realize as the variation of as-fired coal sulfur content and exhaust gas volumn can meet being evenly distributed with for flue gas, ensures
Necessary foam layer thickness achievees the purpose that improve desulfuration efficiency and energy-saving.
Claims (7)
1. a kind of adjustable type desulfurization synergistic mass transfer apparatus, which is characterized in that including fixed percolation orifice plate (1), activity percolation hole
Plate (2) and the driving device for driving activity percolation orifice plate (2) mobile；
Fixed percolation orifice plate (1) is fixed in the uptake zone in desulfurizing tower, the peripheral surface of fixed percolation orifice plate (1) and desulfurizing tower
Inner wall is in contact and seals, activity percolation orifice plate (2) on fixed percolation orifice plate (1), wherein, activity percolation orifice plate (2) with
There is gap between the inner wall of desulfurizing tower, several first percolations hole (6), activity percolation orifice plate are provided on fixed percolation orifice plate (1)
(2) several second percolations hole (8), and one first percolation hole (6) face, one second percolation hole (8) are provided on, passes through drive
Dynamic device drive activity percolation orifice plate (2) is mobile on fixed percolation orifice plate (1) to adjust the first percolation hole (6) and the second percolation hole
(8) overlapping area.
2. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that further include several supports
Beam (71) and several support angle steels (72), wherein, the both ends of each supporting beam (71) are both secured on the inner wall of desulfurizing tower, each
Support angle steel (72) is circumferentially fixed on the inner wall of desulfurizing tower, and fixed percolation orifice plate (1) is overlapped in supporting beam (71) and strut angle
On steel (72).
3. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that driving device includes axostylus axostyle
(3), fixed beam (91), reinforcing plate (92) and driving mechanism (4), wherein, one end and the activity percolation orifice plate (2) of reinforcing plate (92)
It is connected, the other end of reinforcing plate (92) is fixed in fixed beam (91), and one end of axostylus axostyle (3) is connected with fixed beam (91),
The other end of axostylus axostyle (3) passes through the wall surface of desulfurizing tower to be connected with driving mechanism (4).
4. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that the driving mechanism (4)
For manual driving device and Vidacare corp.
5. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that the driving device is also wrapped
Fixed frame (5) is included, wherein, fixed frame (5) is fixed on the outer wall of desulfurizing tower, and driving mechanism (4) is fixed on the fixed frame (5)
On, axostylus axostyle (3) is across the fixed frame (5).
6. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that each support angle steel (72) edge
It is circumferentially uniformly arranged, each supporting beam (71) is parallel and equidistantly distributed.
7. adjustable type desulfurization synergistic mass transfer apparatus according to claim 1, which is characterized in that the number of reinforcing plate (92)
It is two, wherein, the angle between two reinforcing plates (92) and fixed beam (91) is 45 °.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721393439.0U CN207478300U (en) | 2017-10-25 | 2017-10-25 | A kind of adjustable type desulfurization synergistic mass transfer apparatus |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721393439.0U CN207478300U (en) | 2017-10-25 | 2017-10-25 | A kind of adjustable type desulfurization synergistic mass transfer apparatus |
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| CN207478300U true CN207478300U (en) | 2018-06-12 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272702A (en) * | 2021-12-28 | 2022-04-05 | 重庆大学 | Boiling type foam desulfurization dust removal mass transfer component, design method thereof and desulfurization dust removal device |
-
2017
- 2017-10-25 CN CN201721393439.0U patent/CN207478300U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114272702A (en) * | 2021-12-28 | 2022-04-05 | 重庆大学 | Boiling type foam desulfurization dust removal mass transfer component, design method thereof and desulfurization dust removal device |
| CN114272702B (en) * | 2021-12-28 | 2022-12-30 | 重庆大学 | Boiling type foam desulfurization dust removal mass transfer component, design method thereof and desulfurization dust removal device |
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