CN205913955U - Rapids washes washs desulfurizing tower - Google Patents

Abstract

The utility model provides a rapids washes washs desulfurizing tower, contains a large amount of dust and mix with oil liquid drop in solving the boiler outlet flue gas that prior art exists, leads to desulfurizing tower desulfurization efficiency to reduce, has the problem of defect at structural strength, fog effects, manufacturing cost with in the aspect of maintaining convenience etc.. Including the tower body, the waste gas of tower body lower part entry, the exhaust outlet at tower body top, the inside washing nozzle of tower body, circulation pipeline, water pump and water tank, its technical essential is: the waste gas entrance is provided with the prewashing device including spray set and guiding device, tower body inside is provided with the defogging device including barrel and defogging baffle, and the tower body middle and upper position of defogging unit bit between exhaust outlet and washing nozzle is put. Its reasonable in design, compact structure, occupation space is reasonable, can show the content that reduces in the flue gas dust and oil liquid drop, is difficult for scale deposit and jam, and separation efficiency is high, and the adjustment is convenient, maintains simply, stabilizes the desulfurization efficiency of desulfurizing tower, ensures the continuous reliability service of desulfurizing tower.

Description

A kind of rapid flushing washs desulfurizing tower

Technical field

This utility model belongs to flue-gas purification equipment technical field and in particular to one kind can reduce powder in flue gas in advance Dirt and oiliness droplet content, demisting efficiency is high, and reliably rapid flushing of operating steadily washs desulfurizing tower.

Background technology

Wet fuel gas desulfurizing technology technology maturation and desulfurized effect is good, is existing widely used desulfurization technology, mesh The front requirement to Wet Flue Gas Desulfurization Technique both at home and abroad is higher it would be desirable to be able to cooperation boiler runs without interruption, and therefore cancels bypass flue It is the development trend of Wet Flue Gas Desulfurization Technique from now on.However, during most boiler startup by the way of throwing oil, and throw the oily stage Cleaner unit is unable to reach effective dedusting, in addition can not normally-open cleaner unit, lead to contain a large amount of dust in boiler export flue gas And it is mingled with oiliness drop.These greasy dirts not only result in desulfurizing tower desulfuration efficiency to be reduced, and greasy dirt is it is also possible to can increase to take off The corrosion condition of the metal parts such as agitator, oxidation spray gun in sulfur tower.

And, coal-burning boiler wet desulfurization system is also easy to produce the droplet containing impurity in running, need by removing Impurity is trapped by day with fog, wet desulphurization commonly used ridge type demister and tubular demister, and its principle is to rely on flue gas The effect of inertia of middle slurry drops and action of gravity, force flue gas continuous change direction in motor process, make flue gas stream in inertia Realize gas-liquid separation in the presence of power and centrifugal force, reach the purpose of demisting.At present the demister of application to fine drop and The trapping ability of solid particulate matter is relatively low, and the growth with run time, there may be fouling, blocking situations such as, Lead to demisting efficiency to decline, have a strong impact on the desulfurized effect of desulfurizing tower.

So, contain a large amount of dust in prior art boiler export flue gas and be mingled with oiliness drop, lead to desulfurizing tower desulfurization Efficiency reduces, and in structural strength, except fog effect, production cost and safeguard the aspects such as convenience all existing defects, therefore have must To wash desulfurizing tower to existing rapid flushing to be improved.

Utility model content

This utility model is aiming at the problems referred to above, provides one kind can reduce dust and oiliness drop in flue gas in advance and contains Amount, demisting efficiency is high, and reliably rapid flushing of operating steadily washs desulfurizing tower.

This utility model be the technical scheme is that the flushing of this rapids is washed desulfurizing tower and included tower body, the waste gas of tower body bottom Entrance, the waste gas outlet at tower body top, the Washing spray nozzle within tower body, circulation line, water pump and water tank, it is characterized in that: It is provided with pre-washing device, described tower body is internally provided with demister, demister goes out positioned at waste gas at described exhaust gas entrance Tower body middle and upper part position between mouth and Washing spray nozzle.

Described pre-washing device includes casing, is separately positioned on smoke inlet and the exhanst gas outlet of tank ends, Yi Jixiang The washings collection port of body bottom setting, is provided with spray equipment and guiding device between the inwall of wherein said casing both sides, spray Shower device is along inclined direction arranged in smoke inlet side, and guiding device is along inclined direction arranged in exhanst gas outlet side；Described Guiding device includes water conservancy diversion framework and deflector, is connected with support beam between the upper ledge of water conservancy diversion framework and lower frame, several water conservancy diversion Plate is equidistantly arranged in the support beam in water conservancy diversion framework from top to bottom successively, deflector and water conservancy diversion framework place planar tilt Angled, and deflector is high towards one end of exhanst gas outlet, and deflector is low towards one end of smoke inlet, water conservancy diversion framework Left frame and right frame on be respectively arranged with rotary shaft, guiding device is connected with casing both sides inwall by rotary shaft；Described spray Device includes spraying framework and shower, and the upper ledge of spray framework is provided with the water inlet manifold of lateral arrangement, and water inlet manifold is arranged In the side relative with guiding device；Several showers are provided with water inlet manifold, shower edge is vertical with water inlet manifold Direction, the lower frame to spray framework extend, and each shower is provided with several spray heads, the left frame of spray framework and right frame On be respectively arranged with rotary shaft, spray equipment is connected with casing both sides inwall by rotary shaft；Rotary shaft reaches outside casing One end be connected with rotational lock mechanism.

Described demister includes cylinder and demisting dividing plate, and wherein said cylinder includes barrel, the inwall week of barrel bottom While being provided with the boss of annular；Described demisting dividing plate includes annulus framework and arc-like sheet, and some arc-like sheets are equidistant, parallel cloth Put on annulus framework, the arc opening of arc-like sheet is arranged downwards, the two ends of arc-like sheet are connected with annulus framework respectively, and often Article one, the two ends of arc-like sheet are all less than the cylindrical circumference of annulus framework；If demisting dividing plate is parallel successively from the bottom to top described in dried layer It is arranged on the boss of cylinder body bottom inwall, between adjacent two layers demisting dividing plate, be provided with spacer rings；Every layer of demisting dividing plate institute Rotation opening is respectively arranged with the barrel of place position, the company of being provided with the demisting dividing plate side position corresponding with rotating opening Connect hole, connecting hole is connected with swing handle.

Described rotational lock mechanism includes housing, cover plate and rotating handles, and described housing is the structure of one end open, housing It is internally provided with spacer, in the middle part of spacer, is provided with the center hole with keyway, the edge of spacer is provided with several edges The through hole that circumferencial direction is equally spaced；Described cover plate is bolted on the opening of housing, being provided centrally with of cover plate Circular hole, described rotating handles is connected by flat key through circular hole with the center hole of spacer, and the top of cover plate is provided with pin-and-hole, Locking pin is connected through pin-and-hole with the through hole of spacer periphery；One end that described rotary shaft reaches outside casing is provided with key Groove, rotary shaft reaches the one end outside casing and the center hole of the spacer within rotational lock mechanism shell passes through flat key It is connected.To facilitate the adjustment of the spray equipment that box house is arranged and guiding device layout angle, adapt to technological requirement.

On described shower, the spray head of setting includes nozzle body and nozzle, and the water side of nozzle body is provided with activity The nozzle connecting, the quantity of nozzle is three.To strengthen the spraying effect of spray head.

It is provided with connecting cross beam, connecting cross beam and setting on water inlet manifold between the left frame of described spray framework and right frame Several showers are connected.While strengthening the bulk strength of spray framework, strengthen the stable connection of shower.

Described water inlet manifold and shower are the carbon steel pipe that inwall is provided with glass flake layer.With improve water inlet manifold and The chemical resistance of shower, thermostability, solvent resistance.

The interlaced arrangement of some arc-like sheets arranged on described inner barrel adjacent two layers demisting dividing plate.To increase With the contact area of smog, effectively improve demisting efficiency.

On described demisting dividing plate, the end of the arc-like sheet of arrangement is provided with Cooling Holes, and Cooling Holes are the length side of arcuately piece To the through hole extending.To cool down to flue gas by the cooling medium within arc-like sheet Cooling Holes, make the vapor in flue gas Condensed with fine particle and drop for core, thus improving the trapping ability to fine particle and drop for the demister.

The inner circle of the annulus framework of described demisting dividing plate is diametrically provided with support beam, in support beam and annulus framework Each arc-like sheet of arrangement is connected.While strengthening annulus framework bulk strength, the connection of firm arc-like sheet.

The number of plies of the demisting dividing plate that described inner barrel is arranged in parallel from the bottom to top successively is four layers.

The beneficial effects of the utility model: because this utility model adopts pre-washing device box house to arrange spray equipment And guiding device, several deflectors are equidistantly arranged in the support beam in water conservancy diversion framework from top to bottom successively, deflector Angled with water conservancy diversion framework place planar tilt；The upper ledge of spray framework arranges the water inlet manifold of lateral arrangement, total water inlet Several showers are arranged on pipe, each shower arranges several spray heads；Spray equipment and guiding device pass through to rotate Axle is connected with casing both sides inwall, and one end that rotary shaft reaches outside casing is connected with rotational lock mechanism.Demister Demisting dividing plate includes annulus framework and arc-like sheet, some arc-like sheets equidistantly, be arranged in parallel on annulus framework；If dried layer is removed Mist dividing plate is set in parallel on the boss of cylinder body bottom inwall from the bottom to top successively, on the barrel of every layer of demisting dividing plate present position Be respectively arranged with rotation opening, the demisting dividing plate side position corresponding with rotating opening be provided with connecting hole, connecting hole with The version that swing handle is connected, so it is reasonable in design, compact conformation, take up room rationally, can significantly reduce in flue gas Dust and the content of oiliness drop, less scaling and blocking, demisting efficiency is high, easy to adjust, safeguards simple, stably desulphurizing tower Desulfuration efficiency is it is ensured that the continuous reliability service of desulfurizing tower.

Brief description

Fig. 1 is a kind of structural representation of the present utility model.

Fig. 2 is a kind of structural representation of the pre-washing device in Fig. 1.

Fig. 3 is the partial sectional view of Fig. 2.

Fig. 4 is a kind of structural representation of the guiding device in Fig. 3.

Fig. 5 is a kind of structural representation of the spray equipment in Fig. 3.

Fig. 6 is the explosive view of the rotational lock mechanism in Fig. 2.

Fig. 7 is a kind of structural representation of the spray head in Fig. 5.

Fig. 8 is a kind of structural representation of the demister in Fig. 1.

Fig. 9 is a kind of structural representation of the cylinder in Fig. 8.

Figure 10 is a kind of structural representation of the demisting dividing plate in Fig. 8.

Figure 11 is the sectional view along axis for the Fig. 8.

Figure 12 is the end face structure schematic diagram of the arc-like sheet in Figure 11.

Figure 13 is a kind of structural representation of the spacer rings in Figure 11.

In figure number explanation: 1 waste gas outlet, 2 tower bodies, 3 demisters, 4 Washing spray nozzles, 5 packing layers, 6 pre-washing devices, 7 sediment boxs, 8 exhaust gas entrances, 9 water tanks, 10 water pumps, 11 circulation lines, 12 smoke inlets, 13 casings, 14 rotational lock mechanisms, 15 Exhanst gas outlet, 16 washings collection ports, 17 guiding devices, 18 spray equipments, 19 water conservancy diversion frameworks, 20 support beams, 21 deflectors, 22 Rotary shaft, 23 spray frameworks, 24 water inlet manifolds, 25 showers, 26 spray heads, 27 connecting cross beams, 28 housings, 29 spacers, 30 Locking pin, 31 rotating handleses, 32 cover plates, 33 nozzle body, 34 nozzles, 35 cylinders, 36 demisting dividing plates, 37 swing handles, 38 Wall, 39 boss, 40 rotate openings, 41 annulus frameworks, 42 arc-like sheets, 43 support beams, 44 connecting holes, 45 spacer rings, 46 cold But hole.

Specific embodiment

Describe concrete structure of the present utility model according to Fig. 1～13 in detail.The flushing of this rapids is washed desulfurizing tower and is included bottom setting Exhaust gas entrance 8, top is had to be provided with the tower body 2 of waste gas outlet 1, the Washing spray nozzle 4 of the internal setting of tower body 2, with Washing spray nozzle 4 phase Circulation line 11, water pump 10 and water tank 9 even, is wherein provided with pre-washing device 6, tower body 2 internal waste gas go out at exhaust gas entrance 8 Upper position between mouth 1 and Washing spray nozzle 4 installs and is equipped with demister 3.

Pre-washing device 6 includes the casing 13 that two ends are respectively arranged with smoke inlet 12 and exhanst gas outlet 15, casing 13 bottom The washings collection port 16 of portion's setting, is wherein provided with spray equipment 18 and guiding device 17 between the both sides inwall of casing 13, Spray equipment 18 is arranged in smoke inlet 12 side with horizontal plane is angled, and guiding device 17 is become with horizontal plane Certain angle is arranged in exhanst gas outlet 15 side；Spray equipment 18 and guiding device 17 are arranged substantially in and flue gas stream direction phase In vertical cross-sectional extent, to increase contact area it is ensured that clean-up effect is pre-washed to flue gas.

Guiding device 17 includes water conservancy diversion framework 19 and deflector 21, is connected with use between the upper ledge of water conservancy diversion framework 19 and lower frame In the support beam 20 connecting deflector 21, several deflectors 21 are equally spacedly arranged in water conservancy diversion framework 19 from top to bottom successively In support beam 20, deflector 21 and the angled setting of water conservancy diversion framework 19 place planar tilt, and deflector 21 is towards cigarette One end of gas outlet 15 is high, and deflector 21 is low towards one end of smoke inlet 12, so that the downward trickling of washings and discharge；Lead It is respectively arranged with rotary shaft 22, guiding device 17 passes through rotary shaft 22 and the casing 13 of both sides in the left frame of stream framework 19 and right frame Both sides inwall is connected.Spray equipment 18 includes spraying framework 23 and shower 25, and the upper ledge of spray framework 23 is provided with laterally The water inlet manifold 24 of arrangement, water inlet manifold 24 is arranged on the spray framework 23 upper ledge side relative with guiding device 17；Total water inlet Be provided with pipe 24 several along water inlet manifold 24, the shower 25 that is laterally equally spaced, each shower 25 along with always enter The vertical direction of water pipe 24, the lower frame to spray framework 23 extend；It is provided with connection between the left frame of spray framework 23 and right frame Crossbeam 27, connecting cross beam 27 is connected with several showers 25 of setting on water inlet manifold 24, to strengthen spraying the whole of framework 23 Body intensity, and strengthen the stable connection of shower 25.On shower 25, water (flow) direction is provided with several spray heads 26, Spray head 26 includes nozzle body 33 and nozzle 34, and the water side of nozzle body 33 is provided with the nozzle 34 of flexible connection, for increasing The spraying effect of strong spray head 26, the quantity of nozzle 34 is arranged to three.It is respectively provided with the left frame of spray framework 23 and right frame There is rotary shaft 22, spray equipment 18 is connected with casing 13 both sides inwall by rotary shaft 22.Guiding device 17 and spray equipment The rotary shaft 22 of 18 the same sides reaches outside casing 13, and two rotary shafts 22 reach one end and the rotation lock in casing 13 outside Tight mechanism 14 is connected.In order to improve the chemical resistance of water inlet manifold 24 and shower 25, thermostability, solvent resistance, total intake Pipe 24 and shower 25 are all provided with the carbon steel pipe of glass flake layer using inwall.

The adjustment of the spray equipment 18 to the internal setting of casing 13 and guiding device 17 layout angle, adapts to work for convenience Skill requires, and rotational lock mechanism 14 is made up of housing 28, cover plate 32 and rotating handles 31 etc..The housing 28 of rotational lock mechanism 14 For the structure of one end open, housing 28 is internally provided with spacer 29, is provided with the center hole with keyway in the middle part of spacer 29, The edge of spacer 29 is provided with the through hole that several are along the circumferential direction equally spaced, and through hole is used for matching with locking pin 30 Close.Cover plate 32 is bolted on the opening of housing 28, being provided centrally with for coordinating with rotating handles 31 of cover plate 32 Circular hole, rotating handles 31 is connected by flat key through circular hole with the center hole of housing 28 positioned internal piece 29；Cover plate 32 Top is additionally provided with a pin-and-hole with locking pin 30 cooperation, and locking pin 30 passes through cover plate 32 top pin-and-hole internal with housing 28 fixed The through hole of bit slice 29 periphery is connected, and is fixed with the anglec of rotation to spray equipment 18 and guiding device 17.Guiding device 17 The one end reaching casing 13 outside with the rotary shaft 22 of spray equipment 18 is provided with keyway, and two rotary shafts 22 reach casing The center hole of the one end in 13 outsides spacer 29 internal with Liang Ge rotational lock mechanism 14 housing 28 respectively is by flat key phase Even, with the drive of the rotating handles 31 by being equally connected with the center hole of spacer 29, drive rotary shaft 22, so that leading Flow device 17 and spray equipment 18 along the centre of gyration rotation of rotary shaft 22.

The demister 3 of the internal setting of tower body 2 includes cylinder 35 and the demisting dividing plate 36 being arranged within cylinder 35, wherein Cylinder 35 includes the boss 39 of the annular of barrel 38 and the setting of barrel 38 bottom interior wall periphery.It is arranged on removing within cylinder 35 Mist dividing plate 36 includes annulus framework 41 and some arc-like sheets being equally spaced on annulus framework 41 42, the arc of arc-like sheet 42 Shape Open Side Down arrangement so that arc-like sheet 42 and smog are fully contacted；The two ends of some arc-like sheets 42 respectively with annulus framework 41 are connected, and the two ends of each arc-like sheet 42 are all less than the cylindrical circumference of annulus framework 41, to ensure demisting dividing plate 36 Can put into inside cylinder 35.Four layers of demisting dividing plate 36 are successively set on the boss 39 of cylinder 35 bottom interior wall from the bottom to top On, be provided with spacer rings 45 between adjacent two-layer demisting dividing plate 36, make adjacent two layers demisting dividing plate 36 at a distance from, With raising interlayer except fog effect.Four angles of circumference are respectively arranged with the barrel 38 of height and position residing for four layers of demisting dividing plate 36 More than degree, less than the rotation opening 40 spent；Demisting dividing plate 36 is provided with two with rotating on the side of opening 40 opposite position Connecting hole 44, swing handle 37 passes through the rotation opening 40 on barrel 38, is connected with the connecting hole 44 of demisting dividing plate 36 side.

In order to increase the contact area with smog, effectively improve demisting efficiency, the internal adjacent two layers demisting dividing plate of cylinder 35 The interlaced arrangement of some arc-like sheets 42 arranged on 36, enable the smog that passes through between two arc-like sheets 42 with upper The arc-like sheet 42 of the one layer of demisting dividing plate 36 in face contacts.

In order to improve the trapping ability to fine particle and drop for the demister 3, the arc of arrangement on demisting dividing plate 36 The end of piece 42 is provided with several Cooling Holes 46, and Cooling Holes 46 are the through holes of the length direction extension of arcuately piece 42, with logical Cross the cooling medium within arc-like sheet 42 Cooling Holes 46 flue gas is cooled down, make the vapor in flue gas with fine particle and liquid Drip and condensed for core.

In order to strengthen annulus framework 41 bulk strength, the inner circle of the annulus framework 41 of demisting dividing plate 36 is diametrically provided with props up Support crossbeam 43；In order to consolidate the connection of arc-like sheet 42, each arc-like sheet 42 phase that support beam 43 and annulus framework 41 are arranged Even.

During use, first demisting dividing plate 36 is successively set on the convex of demister 3 cylinder 35 bottom interior wall from the bottom to top Spacer rings 45 are placed, setting on every layer of demisting dividing plate 36 side between two-layer demisting dividing plate 36 on platform 39 and adjacent Connecting hole 44 goes to the position corresponding with rotating opening 40；Swing handle 37 is passed through the rotation opening 40 on barrel 38, makes The connection end of swing handle 37 is inserted in the connecting hole 44 of demisting dividing plate 36 side needing adjustment angle.Then, according to work Skill requires and flue gas is except the needs of fog effect, is rotated in opening 40 by what driving swing handle 37 was arranged on barrel 38 Rotate, make demisting dividing plate 36 its institute planar, along cylinder 35 axis rotate.After one layer of demisting dividing plate 36 adjustment finishes, If also having other demisting dividing plates 36 to be also required to adjust, by the connection end of swing handle 37 from the demisting dividing plate 36 having adjusted angle Extract in the connecting hole 44 of side, then the connection end of swing handle 37 be inserted into another layer need the demisting of adjustment angle every In the connecting hole 44 of plate 36 side, swing handle 37 is driven to make demisting dividing plate 36 turn to required angle.Repeat above step, directly All adjust to each layer demisting dividing plate 36 and finish, every layer of demisting dividing plate 36 forms predetermined angle between the arc-like sheet 42 of setting, with Realize demisting efficiency is improved.By the demister 3 having adjusted demisting dividing plate 36 angle be arranged on rapid rinse wash de- Middle and upper part position (lower section of exhanst gas outlet 15, the top of Washing spray nozzle 4) within sulfur tower.It is understood that demister 3 Put into rapid rinse when washing in desulfurizing tower, the swing handle 37 being arranged in demisting dividing plate 36 side connecting hole 44 need to be taken off.

Wash before desulfurizing tower starts desulfurization in rapid flushing, first pass through the arc that flexible conduit is arranged on every layer of demisting dividing plate 36 Conveying coolant in the Cooling Holes 46 of shape piece 42 end, the coolant arcuately length direction of piece 42, setting from arc-like sheet 42 One end of Cooling Holes 46 trickle to the other end, fully reduce the surface temperature of arc-like sheet 42, by arc-like sheet 42 Cooling Holes 46 Internal cooling medium cools down to flue gas, so that the vapor in flue gas is condensed with fine particle and drop for core, To improve the trapping ability to fine particle and drop for the demister 3.

Then, start and be arranged on the spray equipment 18 that the pre-washing device 6 at desulfurizing tower exhaust gas entrance 8 is washed in the flushing of this rapids, The spray head 26 that washings pass through several showers 25 of setting on water inlet manifold 24 ejects.Then introduce to be clean Flue gas, flue gas enters in casing 13 from the smoke inlet 12 of pre-washing device 6 casing 13 one end.Spray equipment 18 ejects Washings mix with flue gas, the solable matter such as the dust in flue gas and oiliness drop is dissolved in washings, injection Washings are subsequently trickled down on the deflector 21 of guiding device 17, and rely on gravity to drop into the washings of casing 13 bottom setting In collection port 16, scrubbed flue gas is discharged by the exhanst gas outlet 15 of casing 13 other end, enters into rapid flushing and washs desulfurizing tower Exhaust gas entrance 8.The bottom of the washings collection port 16 of pre-washing device 6 casing 13 bottom setting is provided with sediment box 7, deposition After the washings deposition that pre-washing device 6 is discharged is purified by case 7, water inlet manifold 24 is returned by Pipeline transport, makes pre-washing device 6 Washings recycled.

Flue gas is entered in tower body 2 from exhaust gas entrance 8 by pre-washing device 6, through the packing layer of the internal setting of tower body 2 5 filtration, and it is disposed with the desulfurization process in the spray region of Washing spray nozzle 4, finally pass through Washing spray nozzle 4 top setting again In demister 3 cylinder 35, the demisting dividing plate 36 of setting carries out the trapping of impurity droplet, makes flue gas obtain sufficient purified treatment, The flue gas meeting environmental requirement the most at last is discharged from exhanst gas outlet 15, reduces the pollution of air.The washings that Washing spray nozzle 4 is discharged After deposition purifies, water tank 9 is transported to by the circulation line 11 being connected with water pump 10, so that the washings of Washing spray nozzle 4 is obtained To recycling.

When effect pre-washed according to technological requirement and flue gas, need the spray equipment 18 to pre-washing device 6 and lead When stream layout angle in casing 13 for the device 17 is adjusted, first by the locking pin 30 of rotational lock mechanism 14 from cover plate 32 Extract in the pin-and-hole in portion, so that the end of locking pin 30 and the through hole of housing 28 positioned internal piece 29 periphery is separated from；Then rotate The rotating handles 31 being connected with spacer 29 center hole, drives the spacer 29 within housing 28 to rotate, thus driving same The rotary shaft 22 that sample is connected with the center hole of spacer 29 rotates, so that the guiding device 17 in casing 13 or spray equipment 18 along both sides rotary shaft 22 the centre of gyration rotate to required for position.Guiding device 17 and spray equipment 18 are rotated in place Afterwards, locking pin 30 is inserted back in the pin-and-hole on cover plate 32 top, making the end of locking pin 30 enter into housing 28 positioned internal piece In the through hole of 29 peripheries, it is fixed with the layout angle to guiding device 17 and spray equipment 18.

When according to technological requirement, when needing to being adjusted except fog effect, demister 3 being washed desulfurizing tower from rapid flushing Tower body 2 is internal to be taken out, and the connection end of swing handle 37 is inserted into the connecting hole 44 of demisting dividing plate 36 side needing adjustment angle Interior, then drive swing handle 37, so that demisting dividing plate 36 is rotated.Repeat above step, until each layer demisting dividing plate 36 all adjusts Finish, reach purpose demisting efficiency improved according to technique.Finally, then removing of demisting dividing plate 36 angle will have been adjusted Mist device 3 is reinstalled back rapid flushing and is washed inside the tower body 2 of desulfurizing tower.

Claims (9)

1. a kind of rapid flushing washs desulfurizing tower, includes tower body (2), the exhaust gas entrance (8) of tower body (2) bottom, the giving up of tower body (2) top Gas exports (1), tower body (2) internal Washing spray nozzle (4), circulation line (11), water pump (10) and water tank (9) it is characterised in that: Described exhaust gas entrance (8) place is provided with pre-washing device (6), and described tower body (2) is internally provided with demister (3), and demisting fills Put tower body (2) the middle and upper part position that (3) are located between waste gas outlet (1) and Washing spray nozzle (4)；Described pre-washing device (6) bag Include casing (13), be separately positioned on smoke inlet (12) and the exhanst gas outlet (15) at casing (13) two ends, and casing (13) bottom The washings collection port (16) of portion's setting, is provided with spray equipment (18) and water conservancy diversion between the inwall of wherein said casing (13) both sides Device (17), spray equipment (18) is along inclined direction arranged in smoke inlet (12) side, and guiding device (17) is along inclined direction It is arranged in exhanst gas outlet (15) side；Described guiding device (17) includes water conservancy diversion framework (19) and deflector (21), water conservancy diversion framework (19) it is connected with support beam (20) between upper ledge and lower frame, several deflectors (21) are equally spacedly arranged from top to bottom successively In the support beam (20) in water conservancy diversion framework (19), deflector (21) becomes certain angle with water conservancy diversion framework (19) place planar tilt Degree, and deflector (21) is high towards one end of exhanst gas outlet (15), and deflector (21) is low towards one end of smoke inlet (12), Rotary shaft (22) is respectively arranged with the left frame of water conservancy diversion framework (19) and right frame, guiding device (17) passes through rotary shaft (22) and case Body (13) both sides inwall is connected；Described spray equipment (18) includes spray framework (23) and shower (25), spray framework (23) Upper ledge be provided with the water inlet manifold (24) of lateral arrangement, water inlet manifold (24) is arranged on relative with guiding device (17) Side；Several showers (25) are provided with water inlet manifold (24), shower (25) along the direction vertical with water inlet manifold (24), Extend to the lower frame of spray framework (23), each shower (25) is provided with several spray heads (26), spray framework (23) Left frame and right frame on be respectively arranged with rotary shaft (22), spray equipment (18) passes through in rotary shaft (22) and casing (13) both sides Wall is connected；One end that rotary shaft (22) reaches outside casing (13) is connected with rotational lock mechanism (14)；Described demister (3) cylinder (35) and demisting dividing plate (36) are included, wherein said cylinder (35) includes barrel (38), the inwall of barrel (38) bottom Periphery is provided with the boss (39) of annular；Described demisting dividing plate (36) inclusion annulus framework (41) and arc-like sheet (42), some Arc-like sheet (42) equidistantly, be arranged in parallel on annulus framework (41), the arc opening of arc-like sheet (42) is arranged downwards, arc-like sheet (42) two ends are connected with annulus framework (41) respectively, and the two ends of each arc-like sheet (42) are all less than annulus framework (41) cylindrical circumference；If demisting dividing plate (36) is set in parallel in cylinder (35) bottom interior wall from the bottom to top successively described in dried layer On boss (39), between adjacent two layers demisting dividing plate (36), it is provided with spacer rings (45)；Position residing for every layer of demisting dividing plate (36) Rotation opening (40) is respectively arranged with the barrel (38) put, demisting dividing plate (36) the side position corresponding with rotating opening (40) Put and be provided with connecting hole (44), connecting hole (44) is connected with swing handle (37).

2. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: described rotational lock mechanism (14) includes shell Body (28), cover plate (32) and rotating handles (31), described housing (28) is the structure of one end open, and housing (28) is internally provided with Spacer (29), is provided with the center hole with keyway in the middle part of spacer (29), the edge of spacer (29) is provided with several The through hole being along the circumferential direction equally spaced；Described cover plate (32) is bolted on the opening of housing (28), cover plate (32) be provided centrally with circular hole, described rotating handles (31) passes through the center hole of circular hole and spacer (29) by flat key phase Even, the top of cover plate (32) is provided with pin-and-hole, and locking pin (30) is connected through pin-and-hole with the through hole of spacer (29) periphery；Described One end that rotary shaft (22) reaches outside casing (13) is provided with keyway, and rotary shaft (22) reaches outside casing (13) The center hole of the end spacer (29) internal with rotational lock mechanism (14) housing (28) is connected by flat key.

3. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: the spray of the upper setting of described shower (25) Head (26) includes nozzle body (33) and nozzle (34), and the water side of nozzle body (33) is provided with the nozzle of flexible connection (34), the quantity of nozzle (34) is three.

4. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: the left frame of described spray framework (23) and the right side It is provided with connecting cross beam (27), connecting cross beam (27) upper several showers (25) phase arranging with water inlet manifold (24) between frame Even.

5. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: described water inlet manifold (24) and shower (25) it is the carbon steel pipe that inwall is provided with glass flake layer.

6. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: the internal adjacent two layers of described cylinder (35) remove The interlaced arrangement of some arc-like sheets (42) arranged on mist dividing plate (36).

7. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: the arc of the upper arrangement of described demisting dividing plate (36) The end of shape piece (42) is provided with Cooling Holes (46), and Cooling Holes (46) are the through hole of the length direction extension of arcuately piece (42).

8. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: the annulus framework of described demisting dividing plate (36) (41) inner circle is diametrically provided with support beam (43), support beam (43) upper each arc-like sheet arranged with annulus framework (41) (42) it is connected.

9. according to claim 1 rapid rinse wash desulfurizing tower it is characterised in that: described cylinder (35) internal from the bottom to top according to The number of plies of the secondary demisting dividing plate (36) being arranged in parallel is four layers.