CN2421535Y - Smoke prevention desulfurizing duster - Google Patents

Abstract

The utility model discloses a smoke prevention desulfurizing duster, which comprises a vortex surrounding wetting mechanism, a spraying dusting collecting mechanism, a self excitation washing mechanism and a deslagging mechanism. The whole process structure is compact; the dust removing effect is high; the occupation area for the mechanismes and devices can be reduced; the utility model has the advantages of high efficiency on desulfurizing, simple structure, convenient installation, convenient maintenance and wide serviceable range; the utility model is suitable for boilers burning fuel oil, gas and coal with from one to thirty five tons and all kinds of kilns; working capacity is large; waste water generated by a system can be recycled after seal treatment; wet treatment process is separated from a blower; thereby, the corrosion of the fan is avoided, and the service life is extended; the utility model is superior to other environmental-protecting treater, achieving that GreenMan densitysat is less than one stage.

Description

A kind of dust remover capable of eliminating smoke and desulphation

The utility model belongs to the cleaner class, is the technological transformation to the dust remover capable of eliminating smoke and desulphation structure of boiler and Industrial Stoves, and its name is called a kind of dust remover capable of eliminating smoke and desulphation.

In the smoke abatement and dust control field, the smoke elimination desulfuration efficiency is high more, illustrate that its dust collection capacity is big more, under the situation of same dust removal efficiency, its appearance and size just can be more little, if appearance and size is identical, then bigger dust collection capacity can be arranged, this is the problem that people generally are concerned about, many in recent years scientific and technical personnel have paid hard work and sweat for this reason, all kinds of dust remover capable of eliminating smoke and desulphation styles are constantly updated, efficiency of dust collection is more and more higher, for example: application number is that 952343 utility model patent " multi-stage spray smoke abatement and dust control clarifier " is compared with prior art at that time, really in technological transformation, raise the efficiency the aspect very much progress is all arranged, but, in the practice process, its weak point is complex structure and huge more and more obviously, the efficiency of dust collection that is relative volume is low, the flue dust cyclone separator is installed in the below of main casing, it is again the multi-stage spray desulfurization, thereby blower fan is easy to into contain the water of desulfurizing agent, cause corrosion, influence the service life of blower fan, strengthened production cost, be difficult to adapt to large-scale fire coal, the flue gas ash removal of fuel oil and gas fired-boiler and industry kiln cigarette and desulfurization, application number is that 96221815 utility model patent " is done wet desulfurization one smoke of gunpowder deduster " it is unreasonable to the use of Venturi tube for another example, in various cleaners, it is exactly to utilize the continuous variation of Venturi tube interior diameter that people use Venturi tube, promptly by the draw to trunnion to anemostat, increase the sinking speed between the flue dust internal particle, reach better purpose, because the flow velocity maximum of trunnion place flue dust, flue dust gas-solid two-phase is mixed the most even, if just begin wetting from draw top flue dust, its flocculating result can be better, but it is installed in the trunnion place with water-locator, flue dust has also arrived the lower end of Venturi tube without complete wetting, the liquid that splashes out in the Venturi tube all is to contain the bigger desulfurizing agent solution of alkalescence, perishable blower fan, influence blower fan service life, strengthened cost, supplying water and washing the position has had fault to be difficult to maintenance.

The purpose of the utility model design is to avoid above-mentioned the deficiencies in the prior art, and provide a kind of appearance and size little, reducing smoke and dust and desulfurizing efficient height, wide accommodation, 1 to 35 ton dust remover capable of eliminating smoke and desulphation of highly versatile, it is mainly by the wet mechanism of eddy flow altar, spray is caught dirt mechanism, self-excitation washing mechanism and slagging device are formed, it is characterized in that said structure connects from top to bottom forms, whole device concentrates within the main casing, especially spray is caught dirt mechanism, though used shower water remains the alkaline solution that contains a large amount of desulfurizing agents, but really isolate with blower fan, guaranteed the service life of blower fan, its reducing smoke and dust and desulfurizing principle is such: after flue gas enters deduster from inlet, earlier through cyclone separating chamber, tangentially enter with higher flow velocity, form the sharply downdraught of rotation, flue dust gets rid of the wall to cyclone separating chamber under action of centrifugal force, through the spray of recirculated water spray head and the spraying of running water shower nozzle, flue dust is in wetting state and enters after the Venturi tube draw, the speed of flue dust air-flow increases suddenly along with reduced cross-sectional area, gas-liquid-solid three-phase is all mixed gradually, present foamed, atomizing, flowing into trunnion makes its flow velocity reach maximum, gas-liquid-solid three-phase is fully all mixed, after entering anemostat, the flue dust air-flow reduces static pressure gradually and is necessarily recovered, so mist vapour just is core with the flue dust, cohesion gradually, because sectional area constantly enlarges, cause that the dust flow velocity constantly redistributes, the inertia force difference of gas-liquid-solid three-phase exists relative motion and collision mutually, bulky grain occurs and captured granule, granule is hung on the existing pump of oarse-grained coalescence, along with the motion of air-flow is impacted downwards, the bottom hung of Venturi tube one deflection cone, flue gas swashes the foam of breaking waves through the deflection cone lateral impact water surface and water smoke further washs flue gas, thereby reach the dedusting purpose, flue gas after being purified is passed the root edge of Venturi tube and the water between the deflection cone, from the outer surface of Venturi tube and the cavity between the main casing inner surface, discharge from exhaust opening, since cyclone dust removal, Venturi tube dedusting and self-excitation cleaning dust, and 3-stage dust-removal carries out in a main casing, the spray process also is a sweetening process, because spray liquid is the liquid that contains desulfurizing agent, further desulfurization in the sedimentation basin, heavy water after clear is extracted out by circulating pump again, deliver to cyclone separating chamber, reuse the mud that produces and handle together with slag after the mummification in system, whole procedure structure is tight, the efficiency of dust collection height, dwindled the floor space of structural establishment, have the performance of high-efficiency desulfurization, simple in structure, easy for installation, easy to maintenance, wide accommodation is to 1 to 35 ton fuel oil, combustion gas and coal-burning boiler and various kiln are all applicable, and displacement volume is big, reuse is handled in the waste water sealing that produces in the system, procedure for wet processing separates with blower fan, avoids the corrosion of blower fan, has prolonged the life-span, excellent other environmental protection treatment equipment of doing has reached the black level of Lin Geman less than 1 grade.

To achieve these goals, the utility model can adopt following measure to realize, described dust remover capable of eliminating smoke and desulphation is by the wet mechanism of eddy flow altar, spray is caught dirt mechanism, self-excitation washing mechanism and slagging device are formed, it is characterized in that the wet mechanism of eddy flow altar is made up of recirculated water spray head and running water fog-spray nozzle that cyclone separating chamber and cyclonic separation indoor top surface are equipped with, it is cylindric that cyclone separating chamber is, along tangential direction one dust inlet is arranged at column side wall, spray is caught dirt mechanism and is one and is installed in main casing inner chamber upper end by the draw, the Venturi tube that trunnion and expander are formed, the self-excitation wash mill is one and is connected by latticing, the deflection cone that hangs on the lower end of Venturi tube is formed, deflection cone is the hollow cone, slagging device is one and is made up of the in succession liquid bucket that holds of blow-off pipe of lower end, one butterfly valve is housed on the blow-off pipe, the last end face of the bottom surface of cyclone separating chamber and main casing is tightly connected, the last end face of end face and main casing is tightly connected on the draw of Venturi tube, it is coniform for holding the liquid bucket that the lower end of main casing is, a blow-off pipe is equipped with in the bottom of holding the liquid bucket, one butterfly valve is housed on the blow-off pipe, terminal blow-off pipe puts in primary clarifier, the more clear liquid runs down water pipe in sedimentation basin top flows to the post-precipitate pond, in like manner the heavy clear liquid in post-precipitate pond flows into settling pool, it is indoor that heavy clear water in the settling pool sprays cyclonic separation by circulating pump by spray head, flue gas after being purified is passed the lower end of Venturi tube and the space between the deflection cone, discharges by exhaust opening from the cavity between the inner surface of the outer surface of Venturi tube and main casing.

For above-mentioned purpose, the utility model can also adopt following measure to realize, the outer side surface of described main casing, hold the top of liquid bucket, a water control device is housed, it is by the control water tank, overflow pipe and drainpipe are formed, drainpipe is installed in the basal surface of control water tank, and an end of overflow pipe puts in the control water tank, the other end with hold the liquid bucket and communicate.

To achieve these goals, the utility model can also adopt following measure to realize, between the expander lower end outer surface of the inner surface of described main casing and Venturi tube, the identical water fender more than nine of equal and opposite in direction shape is arranged, in sustained height, have a down dip with horizontal alignment respectively, the inclination angle is greater than 10 degree, be fixed on the inner surface of main casing, water fender distance each other is impartial.

To achieve these goals, the utility model can also adopt following measure to realize, the inner surface of described main casing, the below of exhaust opening has a retaining ring that Venturi tube is coated, and it is round table-like that retaining ring is, be that upper base is big, it is little to go to the bottom, and last base is horizontally fixed on the inner surface of main casing, and angle downward between retaining ring and the main casing inner surface is spent greater than 15 less than 90 degree.

To achieve these goals, the utility model can also adopt following measure to realize, the top that it is characterized in that water fender, there is a retaining ring that Venturi tube is coated, it is round table-like that retaining ring is, last base is horizontally fixed on the inner surface of main casing, and the downward angle between retaining ring and the main casing inner surface is less than 90 degree, greater than 15 degree.

In order to realize above-mentioned purpose, the utility model can also adopt following measure to realize, the spray apertures more than nine is arranged on described and the spray head that circulating water pipe links to each other, and the spray holes that the fog-spray nozzle that links to each other with running water pipe links to each other is more than two.

In order to be illustrated more clearly in the utility model, the utility model is done further explanation below in conjunction with accompanying drawing:

Fig. 1 is the structural representation of dust remover capable of eliminating smoke and desulphation most preferred embodiment described in the utility model.

Fig. 2 is terminal spray head (4) the spray schematic surface that connects of circulation pipe, and the circular hole (25) of nine above strainer shapes is arranged on its surface.

Structural representation when Fig. 3 is four for the spray holes (27) of running water shower nozzle (2), 26 expression fixed screws.

Fig. 4 is the user mode schematic diagram of kiln cover, and symbol is represented respectively among the figure: 19 kiln exhaust openings, also can represent the blower fan smoke inlet, 32 kiln covers, 33 kiln cover stents, 31 kilns.

Fig. 5 represents the utility model and blower fan (15) user mode schematic diagram, and the meaning of some symbolic representations is as follows among the figure:

1 expression main casing, 2 running water shower nozzles, 3 cyclone separating chamber, 4 recirculated water spray heads, 5 Venturi tubes, 6 hold the liquid bucket, 7 exhaust openings, 8 butterfly valves, 9 blow-off pipes, 10 primary clarifier, 11 water pipes, 12 post-precipitate ponds, 13 settling pools, 14 water circulating pumps, 15 retaining rings, 16 water fenders, 17 expression blower fan outlet flues also can be represented cyclone separating chamber's smoke inlet, 20 control water tanks, 21 overflow pipes, 22 drainpipes, 23 fan supporters, 24 hangers of the present utility model, 25 spray head circular holes, the fixed screw of 26 fog-spray nozzles, the spray orifice of 27 fog-spray nozzles (2), the support of 28 main casings (1), 29 with the fixedly latticing between deflection cone and the Venturi tube, 30 deflection cones.

In order to be illustrated more clearly in the utility model, do clearer explanation below in conjunction with 1 pair of the utility model most preferred embodiment of accompanying drawing: after dust enters cyclone separating chamber (3) from smoke inlet (18), form the air-flow that sharply is rotated down along tangential direction, flue dust is rotating and is getting rid of to wall, spray through spray head (4), running water shower nozzle (2) spraying, cigarette is wetting state and enters Venturi tube (5), effect through Venturi tube (5), make the gas-solid two-phase reach maximum separation, grit is arranged to sedimentation basin from blow-off pipe (9) through holding liquid bucket (6) butterfly valve (8), when liquid level in the main casing (1) is higher than the overflow pipe (21) of control water tank (20), water will flow to control water tank (20) and be discharged by drainpipe (22) from overflow pipe (21), thereby keep the liquid level in the Venturi tube (5) not to be higher than overflow pipe (21), dust is rotating in Venturi tube (5) lining and is rushing at deflection cone (30), big grit just falls into the water along deflection cone (30), gas passes through the bottom of Venturi tube (5) and the space between the deflection cone (30) again and enters cavity between inner casing (1) and the Venturi tube (5), the obstruct of process water fender (17) earlier, gas-liquid is separated for the first time, passing through retaining ring (16) more further makes gas-liquid separate, to purify good flue gas at last and discharge through exhaust opening (7), the upper surface symmetry shape of main casing has two hangers (24).

Compared with the prior art, the utlity model has following advantages: because the abundant dedusting of the utility model, thoroughly desulfurization, So do not need multistagely just can reach good result, just along with the difference except the dust quantity size, and the appropriate change size Get final product, whole procedure structure is tight, and dust removing effects is more satisfactory, has dwindled the floor space of structural establishment, and is simple in structure, Easy for installation, easy to maintenance, wide accommodation, to 1～35 ton fuel oil, combustion gas and coal-burning boiler and various kiln all Applicable, displacement volume is big, and reuse is processed in the waste water sealing that produces in the system, and procedure for wet processing separates with blower fan, avoids The corrosion of blower fan, prolonged the life-span, be better than other Environmental-protecting treaters, reach the woods lattice and overflow blackness less than 1 grade.

Claims (6)

1, a kind of dust remover capable of eliminating smoke and desulphation, be by the wet mechanism of eddy flow altar, spray is caught dirt mechanism, self-excitation washing mechanism and slagging device are formed, it is characterized in that the wet mechanism of eddy flow altar is made up of recirculated water spray head (4) and running water fog-spray nozzle (2) that the inner top surface of cyclone separating chamber (3) and cyclone separating chamber (3) is equipped with, cyclone separating chamber (3) is cylindric, along tangential direction one dust inlet (18) is arranged at column side wall, spray is caught dirt mechanism and is one and is installed in main casing (1) inner chamber upper end by the draw, the Venturi tube (5) that trunnion and expander are formed, the self-excitation wash mill is one and is connected by latticing (29), the deflection cone (30) that hangs on the lower end of Venturi tube (5) is formed, deflection cone (30) is the hollow cone, slagging device is one and is made up of the in succession liquid bucket (6) that holds of blow-off pipe (9) of lower end, one butterfly valve (8) is housed on the blow-off pipe (9), the last end face of the bottom surface of cyclone separating chamber (3) and main casing (1) is tightly connected, the last end face of end face and main casing (1) is tightly connected on the draw of Venturi tube (5), it is coniform for holding liquid bucket (6) that the lower end of main casing (1) is, a blow-off pipe (9) is equipped with in the bottom of holding liquid bucket (6), one butterfly valve (8) is housed on the blow-off pipe (9), terminal blow-off pipe (9) puts in primary clarifier (10), the more clear liquid runs down water pipe (11) in sedimentation basin (10) top, lining flows to post-precipitate pond (12), in like manner the heavy clear liquid of lining, post-precipitate pond (12) flows into settling pool (13), the heavy clear water of settling pool (13) lining is sprayed in the cyclone separating chamber (3) by spray head (4) by circulating pump (14), flue gas after being purified is passed the lower end of Venturi tube (5) and the space between the deflection cone (30), discharges by exhaust opening (7) from the cavity between the inner surface of the outer surface of Venturi tube (5) and main casing (1).

2, according to the described dust remover capable of eliminating smoke and desulphation of claim 1, the outer side surface that it is characterized in that described main casing (1), hold the top of liquid bucket (6), shape has a water control device, it is made up of control water tank (20), overflow pipe (21) and drainpipe (22), drainpipe (22) is installed in the basal surface of control water tank (20), and an end of overflow pipe (21) puts in control water tank (20), the other end with hold liquid bucket (6) and communicate.

3, a kind of according to the described dust remover capable of eliminating smoke and desulphation of claim 2, it is characterized in that between the expander lower end outer surface of the inner surface of described main casing (1) and Venturi tube (5), the identical water fender more than nine (17) of equal and opposite in direction shape is arranged, in sustained height, tilt with horizontal line respectively, the inclination angle is fixed on the inner surface of main casing (1) greater than 10 degree, and water fender (17) distance each other is impartial.

4, a kind of according to the described dust remover capable of eliminating smoke and desulphation of claim 2, the inner surface that it is characterized in that described main casing (1), the below of exhaust opening (7), there is a retaining ring (16) that Venturi tube is coated, retaining ring (16) is round table-like, and promptly upper base is big, and it is little to go to the bottom, last base is horizontally fixed on the inner surface of main casing (1), and angle downward between retaining ring (16) and main casing (1) inner surface is spent greater than 15 less than 90 degree.

5, a kind of according to the described dust remover capable of eliminating smoke and desulphation of claim 3, the top that it is characterized in that water fender (17), there is a retaining ring (16) that venturi is coated, retaining ring (16) is round table-like, last base is horizontally fixed on the inner surface of main casing (1), angle downward between retaining ring (16) and main casing (1) inner surface is less than 90 degree, greater than 15 degree.

6, a kind of according to the described dust remover capable of eliminating smoke and desulphation of claim 5, the spray apertures (25) more than nine is arranged on the spray head (4) that it is characterized in that linking to each other with circulating water pipe, the spray holes (27) that the fog-spray nozzle that links to each other with running water pipe (2) links to each other is more than two.

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