CN105477960A - Composite emulsification type high-efficiency wet dust remover - Google Patents
Composite emulsification type high-efficiency wet dust remover Download PDFInfo
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- CN105477960A CN105477960A CN201610007777.XA CN201610007777A CN105477960A CN 105477960 A CN105477960 A CN 105477960A CN 201610007777 A CN201610007777 A CN 201610007777A CN 105477960 A CN105477960 A CN 105477960A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D47/00—Separating dispersed particles from gases, air or vapours by liquid as separating agent
- B01D47/10—Venturi scrubbers
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Abstract
The invention relates to a composite emulsification type high-efficiency wet dust remover which comprises a rod type Venturi emulsification dust removal device, a blowdown device, a wet emulsification draught fan and a gas-water separation cylinder. A plurality of water pipes are arranged in a first-stage shell of the rod type Venturi emulsification dust removal device. Gaps are formed between the water pipes. Due to the special structural design, the Venturi effect is achieved when gas flows by. A conical sewage outlet is designed in the bottom of a second-stage shell of the blowdown device and can be matched with a heavy hammer valve. An open type straight-blade impeller is adopted for the wet emulsification draught fan, and a nozzle is led into a gas inlet and sprays out a cleaning solution. The gas-water separation cylinder comprises a vertical cylinder body, wherein the lower portion of the cylinder body is conical, and a blowdown opening is located in the conical tip. The dust removal efficiency can remove 99% or more for dust with diameter of 1 micrometer or higher; meanwhile, the dust remover is simple in structure and low in manufacturing cost; the spraying angle of the cleaning solution of the rod type Venturi emulsification dust removal device can be adjusted according to the standard-reaching requirements for site dust collection and emission; adaptability is improved, energy consumption is lowered, and the site dust removal requirement is better met.
Description
Technical field
The present invention relates to a kind of composite emulsifying formula high-efficiency wet-type dust collector.
Background technology
Wet scrubber in mine, metallurgy, chemical industry, industrial occasions that the dust-producing amount such as generating is large be widely used.The patent UW-4 deduster product of Ducon company of the U.S., owing to adopting compound wet dust removal mechanism, has the advantages such as efficiency of dust collection is high, failure rate is low, maintenance cost are few, is specially adapted to high humidity, large, the initial occasion that dustiness degree is high, dust size is little of viscosity.It is made up of the cyclone water-film dust arrester with spiral board of the first order, the blower fan of the second level and the gas-water separating drum of the third level.Because its inner airway resistance is large and defect in structural design, not only energy consumption is higher to make it, and manufacture and use cost higher.
Summary of the invention
For overcoming above-mentioned technological deficiency, the invention provides a kind of efficiency of dust collection higher, the composite emulsifying formula high-efficiency wet-type dust collector that structure is simpler, manufacturing cost is lower, energy consumption is low.
For achieving the above object, the technical solution used in the present invention is: a kind of composite emulsifying formula high-efficiency wet-type dust collector, comprises bar type venturi emulsification dust arrester, blowdown apparatus, wet type emulsification blower fan and gas-water separating drum.
Described bar type venturi emulsification dust arrester comprises first order housing, first order housing has first order air inlet, first order gas outlet and perforate, many water pipes are arranged in first order housing by perforate, the gap passed through for dusty gas is left between adjacent water pipe radial direction, water pipe tube wall has the elongated hole that the length direction along water pipe extends near the side of first order air inlet of first order housing, water pipe is all connected with the delivery port of feed pipe, in the water inlet of feed pipe, access cleaning solution, cleaning solution sprays from elongated hole.
Described blowdown apparatus comprises second level housing, second level housing has second level air inlet and gas outlet, the second level, be designed with the outlet of sewer of a taper at second level housing bottom, the second level air inlet of blowdown apparatus is connected with the first order gas outlet of bar type venturi emulsification dust arrester.
Described wet type emulsification blower fan has third level air inlet and third level gas outlet, third level air inlet passes into nozzle, ejection cleaning solution in nozzle, the third level air inlet of wet type emulsification blower fan is connected with the gas outlet, the second level of blowdown apparatus, and the third level gas outlet of wet type emulsification blower fan is connected with the fourth stage air inlet of gas-water separating drum.
Described gas-water separating drum comprises the cylindrical shell of vertical direction, and the tangential direction in the middle part of cylindrical shell is provided with fourth stage air inlet, is provided with fourth stage gas outlet at the top of cylindrical shell, and the bottom of cylindrical shell is tapered, and sewage draining exit is positioned at tapered tip portion.
After adopting above structure, the present invention compared with prior art, has following advantage:
In use, dusty gas is successively by bar type venturi emulsification dust arrester, blowdown apparatus, wet type emulsification blower fan and gas-water separating drum in the present invention.Dusty gas produces Venturi effect when passing through bar type venturi emulsification dust arrester, produce strong turbulence, simultaneously, cleaning solution sprays near the elongated hole opened first of first order air inlet from water pipe, it washs liquid compared to the choosing sprayed first near first order gas outlet, the relative velocity of gas-liquid two-phase is larger herein, and dust and cleaning solution more easily collide and condense, and forms emulsification shape.Spraying cleaning solution angle is larger, and gas liquid interfacial area is larger, and dust removing effects is better, but the pressure loss also can increase to some extent.Because the water pipe of device of the present invention can relative to housing into rotation, i.e. spraying cleaning solution angle adjustable, it according to on-the-spot dust removal requirement, can regulate spraying cleaning solution angle, reaches under the prerequisite meeting dust removal requirement flexibly, reduces the object of energy consumption.Form sewage drop after part dust and droplets mixing, fall due to gravity, can in blowdown apparatus sedimentation, bar type venturi emulsification dust arrester has carried out primary purifying to dusty gas, and its mud of discharging is discharged by blowdown apparatus.The drop that dusty gas after primary purifying sprays into fans entrance place nozzle together enters in blower fan, and under the strong disturbance of draught fan impeller, height of formation emulsification shape gas liquid mixture, increases the contact area of dust and drop, reach high-effective dust-removing effect.After twice dedusting, the dust in dusty gas is removed substantially completely.Aqueous vapor in Exhaust Gas is discharged after gas-water separating drum dehydration.Deduster of the present invention adopts above scheme, dust efficiency of dust collection for diameter more than 1 μm reaches more than 99%, the simultaneously cyclone water-film dust arrester that adopts compared to UW-4 deduster product of the bar type shaped Venturi dedusting device of adjustable spraying cleaning solution angle of the present invention and blowdown apparatus, structure is simpler, manufacturing cost reduces, and under identical operating mode, because energy consumption of the present invention declines more than at least 10%.In addition, the present invention can catch dirt and emission compliance requirement according to scene, is equipped with the bar type venturi emulsification dust arrester of different openings degree, increases adaptability, meet on-the-spot dust removal requirement better.
Accompanying drawing explanation
Fig. 1 is the structural representation of composite emulsifying formula high-efficiency wet-type dust collector of the present invention;
Fig. 2 is the structural representation of bar type venturi emulsification dust arrester;
Fig. 3 is the explosive view of Fig. 2;
Fig. 4 is the sectional view along A-A in Fig. 2;
Fig. 5 is the partial enlarged drawing of Fig. 4;
Fig. 6 is the sectional view along B-B in Fig. 4;
Fig. 7 is the schematic diagram of the cross section of adjacent two water pipes;
Fig. 8 is the structural representation of blowdown apparatus;
Fig. 9 is the longitudinal sectional view of blowdown apparatus;
Figure 10 is the structural representation of wet type emulsification blower fan;
Figure 11 is the structural representation of wet type emulsification draught fan impeller;
Figure 12 is the front view of wet type emulsification draught fan impeller;
Figure 13 is the structural representation of gas-water separating drum.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described in more detail.
As shown in Figure 1, composite emulsifying formula high-efficiency wet-type dust collector of the present invention comprises bar type venturi emulsification dust arrester, blowdown apparatus, wet type emulsification blower fan and gas-water separating drum.
Shown in Fig. 2 ~ Fig. 6, bar type venturi emulsification dust arrester comprises first order housing 11, first order housing 11 has first order air inlet 12, first order gas outlet 13 and perforate 111, many water pipes 14 are arranged in first order housing 11 by perforate 111, water pipe 14 is parallel to each other, the gap passed through for dusty gas is left between adjacent water pipe 14 radial direction, water pipe 14 tube wall has the elongated hole 16 that the length direction along water pipe 14 extends near the side of first order air inlet 12 of first order housing 11, water pipe 14 is all connected with the delivery port 152 of feed pipe 15, at the water inlet 151 of feed pipe 15, water intaking valve is housed to control whether to supply water to feed pipe 15, cleaning solution is accessed at water inlet 151, cleaning solution sprays from elongated hole 16.
With reference to Fig. 3 ~ Fig. 5, perforate 111 and the water pipe 14 of described first order housing 11 have the first gap 18, delivery port 152 and the water pipe 14 of water pipe 15 have the second gap 19, first gap 18 and the second gap 19 are equipped with sealing device 17, described water pipe 14 can relatively rotate with first order housing 11, and water pipe 14 and feed pipe 15 can relatively rotate.Sealing device 17 is owing to having certain radial pressure, make it while providing sealing function, provide certain frictional force, can rotate in deduster running by anti-antipriming pipe 14, again can when applying certain moment, regulate the spray angle of water pipe cleaning solution, thus the high-adaptability reached on-the-spot dedusting, reduce the object of energy consumption.
With reference to Fig. 2 ~ Fig. 4 and Fig. 6, be provided with four water pipes 14 altogether, be designated as the first water pipe, the second water pipe, the 3rd water pipe and the 4th water pipe from top to bottom respectively.Be provided with gap between first water pipe and the second water pipe, between the second water pipe and the 3rd water pipe, between the 3rd water pipe and the 4th water pipe, the lower wall of the upper side wall of the first water pipe and housing 11, the 4th water pipe and the first housing 11 is provided with gap.
As shown in Figure 7, in the cross section of adjacent two water pipes 14, two ray a with the intersect vertical axis of water pipe 14 and through elongated hole 16 are crossing.In the cross section of adjacent water pipe 14, the extended line of axis of the elongated hole 16 wherein on a water pipe 14 and the angle of the vertical line of two water pipes 14 are X, and the extended line of axis of the elongated hole 16 wherein on another root water pipe 14 and the angle of the vertical line of two water pipes 14 are Y.Because water pipe 14 is rotatable relative to housing 11, therefore the angle of X and Y can regulate within the specific limits, wherein the adjustment of the angle of angle X and Y is 0 ~ 45 degree, in figure, a is the extended line of the axis of elongated hole 16, the namely extended line of the radial line of the central point through elongated hole 16 of water pipe 14, b is the angle of the vertical line of two water pipes 14, namely the connecting line of the central point of two water pipes 14.
Preferably, the angle of regulation range of described angle X and Y is 11 ~ 19 degree, as more preferably scheme, the angle of described angle X and Y is equal and be 15 degree, water pipe 14 processes elongated hole 16 more for convenience to the angle of angle X and Y equal making, and the angle of angle X and Y is when being 15 degree, water has good atomizing effect after elongated hole 16 sprays.
The water supply pressure of many water pipes 14 is normal pressure, i.e. 0.1MPa, and that is when being supplied water to the first water pipe 14 by water pump, the hydraulic pressure of water delivery side of pump is 0.1MPa.
During the work of bar type venturi emulsification dust arrester, gas in first order housing 11 passes through the gap between water pipe 14 with the flow velocity of 20m/s ~ 50m/s, produce Venturi effect, water in water pipe 14 sprays from elongated hole 16, dust in dusty gas and drop generation sharp impacts are also condensed and are formed dust-laden drop, complete the first dedusting of dusty gas.
Shown in Fig. 8 and Fig. 9, blowdown apparatus 2 comprises second level housing 21, second level housing has second level air inlet 22 and gas outlet, the second level 23, the outlet of sewer 24 of taper is designed with at second level housing bottom, be provided with the weighted valve 25 that can open and close below outlet of sewer 24, the second level air inlet 22 of blowdown apparatus exports 13 with the first order of bar type venturi emulsification dust arrester 1 and is connected.The angle that blowdown apparatus 2 is Z, Z with the inclination angle of horizontal plane is 0 ~ 45 degree, and the preferred inclination angle of Z is 10 ~ 15 degree.
When blowdown apparatus 2 works, the gas at first order gas outlet 13 place of bar type venturi emulsification dust arrester 1 enters in second level housing 21, dripped by the dust-containing liquid of gas entrained with and decline under gravity, and because blowdown apparatus 2 and horizontal plane have the inclination angle of 10 degree and have certain axial length, this makes most dust-containing liquid be dropped into the taper outlet of sewer 24 bottom second level housing 21 and discharge.Which reduces dust-laden drop, the drop especially containing big-and-middle granule dust enters the quantity of wet type emulsification blower fan, and this is conducive to the wearing and tearing reducing wet type emulsification fan blade, extends the life-span of blower fan.The weighted valve 25 installed below outlet of sewer 24 just can be opened when there being the sewage of q.s, otherwise is in closed condition, is conducive to the loss of leaking out reducing deduster like this, reduces energy consumption.
Shown in Figure 10 ~ Figure 12, wet type emulsification blower fan 3 comprises spiral case 31 and impeller 32, spiral case 31 has third level air inlet 33 and third level gas outlet 34, third level air inlet 33 place passes into nozzle 35, ejection cleaning solution in nozzle, the third level air inlet 33 of wet type emulsification blower fan 3 is connected with the gas outlet, the second level 23 of blowdown apparatus, and the third level gas outlet 34 of wet type emulsification blower fan is connected with the fourth stage air inlet 42 of gas-water separating drum 4.
The water supply pressure of nozzle 35 is normal pressure, i.e. 0.1MPa, and that is when being supplied water to nozzle 35 by water pump, the hydraulic pressure of water delivery side of pump is 0.1MPa.
The blade 321 of wet type emulsification blower fan 3 is prismatic blade, is preferably straight radial blade.Straight radial blade and blade inlet established angle and blade exit established angle are the prismatic blade of 90 degree, and it effectively can prevent the adhesion of mud, even and if mud stick to also than easy to clean on straight radial blade, this can reduce the wearing and tearing of impeller.The number of blade is at least 6, and preferential blade quantity is 6 or 8, and the number of blade both can alleviate the weight of draught fan impeller when 6 or 8, can make again the air quantity of device evenly stable.
When wet type emulsification blower fan 3 works, in the gas of pre-dedusting, still contain part dust granules, it enters wet type emulsification blower fan 3 by the gas outlet, the second level 23 of blowdown apparatus 2, simultaneously, nozzle 35 spray drop enter blower interior, dust granules under the strong disturbance effect of draught fan impeller 32 with droplet collision, mix and cohesion.Finally, dust-containing liquid is thrown toward spiral case 31 inner surface under dropping in the effect of draught fan impeller 32 centrifugal force, flow into gas-water separating drum 4 eventually through third level gas outlet 34, discharges from the sewage draining exit 44 of gas-water separating drum 4.After blower fan dedusting, dusty gas is substantially all removed.
As shown in Figure 13, gas-water separating drum 4 comprises the cylindrical shell 41 of vertical direction, tangential direction in the middle part of cylindrical shell is provided with fourth stage air inlet 42, fourth stage gas outlet 43 is provided with at the top of cylindrical shell, the bottom of cylindrical shell is tapered, sewage draining exit 44 is positioned at tapered tip portion, and the medium position of cylindrical shell 41 arranges inspection door 45.
When gas-water separating drum 4 works, the gas got rid of from the third level gas outlet 34 of wet type emulsification blower fan enters in cylindrical shell with certain speed, and the gas of discharging due to blower fan contains a large amount of moisture, so gas-water separating drum effect is separated by the moisture in air.One sidewall of fourth stage air inlet 42 and the inwall of cylindrical shell 41 tangent, after gas enters cylindrical shell 41, gas rotates along the inwall of cylindrical shell 41, moves in the shape of a spiral.Moisture in gas is separated under the effect of strong centrifugal force, and on barrel 41 internal face, after cohesion, final convergence is discharged from the sewage draining exit 44 of cylindrical shell lower end, and the fourth stage gas outlet 43 of clean gas then above cylindrical shell is discharged.
Below only apply preferably example with regard to the present invention and made explanation, but can not be interpreted as it is limitations on claims, structure of the present invention can have other to change, and is not limited to said structure.In a word, all various changes done in the protection domain of independent claims of the present invention are all in protection scope of the present invention.
Claims (10)
1. a composite emulsifying formula high-efficiency wet-type dust collector, comprises bar type venturi emulsification dust arrester (1), blowdown apparatus (2), wet type emulsification blower fan (3) and gas-water separating drum (4), it is characterized in that,
Described bar type venturi emulsification dust arrester (1) comprises first order housing (11), first order housing (11) has first order air inlet (12), first order gas outlet (13) and perforate (111), many water pipes (14) are arranged in first order housing (11) by perforate (111), the gap passed through for dusty gas is left between adjacent water pipe (14) radial direction, water pipe (14) tube wall has the elongated hole (16) that the length direction along water pipe (14) extends near the side of first order air inlet (12) of first order housing (11), water pipe (14) is all connected with the delivery port (152) of feed pipe (15), access cleaning solution in water inlet (151) in feed pipe (15), cleaning solution sprays from elongated hole (16),
Described blowdown apparatus (2) comprises second level housing (21), second level housing has second level air inlet (22) and gas outlet, the second level (23), be designed with the outlet of sewer (24) of a taper at second level housing bottom, the second level air inlet (22) of blowdown apparatus is connected with the first order gas outlet (13) of bar type venturi emulsification dust arrester;
Described wet type emulsification blower fan (3) has third level air inlet (33) and third level gas outlet (34), third level air inlet (33) passes into nozzle (35), ejection cleaning solution in nozzle, the third level air inlet (33) of wet type emulsification blower fan is connected with the gas outlet, the second level (23) of blowdown apparatus, and the third level gas outlet (34) of wet type emulsification blower fan is connected with the fourth stage air inlet (42) of gas-water separating drum (4);
Described gas-water separating drum (4) comprises the cylindrical shell (41) of vertical direction, tangential direction in the middle part of cylindrical shell is provided with fourth stage air inlet (42), fourth stage gas outlet (43) is provided with at the top of cylindrical shell, the bottom of cylindrical shell is tapered, and sewage draining exit (44) is positioned at tapered tip portion.
2. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 1, it is characterized in that: perforate (111) and the water pipe (14) of described first order housing (11) have the first gap (18), delivery port (152) and the water pipe (14) of water pipe (15) have the second gap (19), first gap (18) and the second gap (19) are equipped with sealing device (17), described water pipe (14) and first order housing (11) can relatively rotate, water pipe (14) and feed pipe (15) can relatively rotate.
3. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 1 and 2, it is characterized in that: described bar type venturi emulsification dust arrester (1) is in the cross section of adjacent two water pipes (14), and two rays (a) with the intersect vertical axis of water pipe (14) and through elongated hole (16) are crossing; In adjacent two water pipes, wherein on a water pipe with the intersect vertical axis of water pipe and the angle through the ray of elongated hole and the vertical line (b) of two water pipes is X, wherein on another root water pipe with the intersect vertical axis of water pipe and the angle through the ray of elongated hole and the vertical line (b) of two water pipes is Y, wherein the angle of angle X and Y is 0 ~ 45 degree.
4. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 3, is characterized in that: the angle of described angle X and Y is 15 degree.
5. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 1, is characterized in that: described blowdown apparatus (2) is Z with the inclination angle of horizontal plane, and wherein inclination angle Z is 0 ~ 45 degree.
6. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 5, is characterized in that: described inclination angle Z is 10 ~ 15 degree.
7. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 1, is characterized in that: described blowdown apparatus (2) at outlet of sewer (24) place with the weighted valve that can open and close (25).
8. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 1, is characterized in that: the blade (321) of described wet type emulsification blower fan (3) is prismatic blade.
9. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 8, is characterized in that: the blade (321) of described wet type emulsification blower fan (3) is straight radial blade.
10. a kind of composite emulsifying formula high-efficiency wet-type dust collector according to claim 8 or claim 9, is characterized in that: the blade quantity of described wet type emulsification blower fan (3) is at least 6.
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| CN201610007777.XA CN105477960A (en) | 2016-01-06 | 2016-01-06 | Composite emulsification type high-efficiency wet dust remover |
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| CN201610007777.XA CN105477960A (en) | 2016-01-06 | 2016-01-06 | Composite emulsification type high-efficiency wet dust remover |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105771496A (en) * | 2016-05-12 | 2016-07-20 | 北京柯林泰克环保科技有限公司 | Wet dust removal equipment |
| CN106368672A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Coal dust gathering device and method suitable for aerodynamic caving of coal bed gas well |
| CN107413141A (en) * | 2017-05-17 | 2017-12-01 | 中南大学 | A kind of Wet flue gas purifier |
| CN108786385A (en) * | 2018-07-25 | 2018-11-13 | 江苏新宏大集团有限公司 | A kind of brush washer |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105771496A (en) * | 2016-05-12 | 2016-07-20 | 北京柯林泰克环保科技有限公司 | Wet dust removal equipment |
| CN105771496B (en) * | 2016-05-12 | 2018-06-05 | 北京柯林泰克环保科技有限公司 | Wet-scrubbing equipment |
| CN106368672A (en) * | 2016-08-30 | 2017-02-01 | 中煤科工集团西安研究院有限公司 | Coal dust gathering device and method suitable for aerodynamic caving of coal bed gas well |
| CN106368672B (en) * | 2016-08-30 | 2019-02-26 | 中煤科工集团西安研究院有限公司 | Coal dust capturing device and method suitable for coal bed gas well aerodynamic cave |
| CN107413141A (en) * | 2017-05-17 | 2017-12-01 | 中南大学 | A kind of Wet flue gas purifier |
| CN107413141B (en) * | 2017-05-17 | 2023-05-23 | 中南大学 | Wet-type flue gas purification device |
| CN108786385A (en) * | 2018-07-25 | 2018-11-13 | 江苏新宏大集团有限公司 | A kind of brush washer |
| CN108786385B (en) * | 2018-07-25 | 2024-04-19 | 江苏新宏大集团有限公司 | Brush type washer |
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Application publication date: 20160413 |