CN109806756A - A kind of desulfurizing tower with demister - Google Patents

Abstract

The present invention relates to a kind of desulfurizing towers with demister comprising tower body, the tower body include tower body and Ta Gai, filter space are formed inside tower lid, being laid in filter space completely has several plastic beads；Further include two positioned at tower body two sides and is respectively used to hold the material storing box one of plastic beads, material storing box two, by pipeline one, pipeline two respectively with tower body, tower Gai Liantong, the material storing box two-way piping three, pipeline four are connected to tower lid, smoke discharging pipe the material storing box one respectively；The pipeline one is respectively arranged with valve one with tower body junction, pipeline four and two junction of material storing box, smoke discharging pipe and the junction Ta Gai；The junction of the pipeline two, pipeline three and tower lid is respectively arranged with valve two and valve three；The junction of the tower lid and tower body is provided with valve four.The present invention has during boiler continuous service, replaces to plastic beads, guarantees the effect that boiler persistently operates normally.

Description

A kind of desulfurizing tower with demister

Technical field

The present invention relates to the technical fields of steam power plant's fume treatment auxiliary, more particularly, to a kind of de- with demister Sulphur tower.

Background technique

Country to coal steam-electric plant smoke discharge propose control major pollutants be sulfur dioxide, dust and nitrogen oxides, In desulfuration absorbing tower is relied primarily on to the removing of sulfur dioxide to complete.The coal steam-electric plant smoke processing system overwhelming majority of China adopts With Limestone-gypsum Wet Flue Gas Desulfurization Process technology, a kind of new and effective wet desulphurization tower internals the air quality of country is improved and It saves energy consumption and has very big meaning.

Limestone-gypsum Wet Flue Gas Desulfurization Process technology is by spraying lime stone slurry (reaction from top to bottom into desulfurizing tower Liquid), after coming into full contact with flue gas (sulfurous gas) from bottom to top, absorb the gases such as the sulfur dioxide in flue gas.

In the prior art.A kind of absorption tower as shown in Figure 1, including tower body, tower body side lower end are communicated with smoke discharging pipe 17, bottom is provided with leakage fluid dram, and the tower body inner upper end is equipped with Multi-layer sprinkling pipe 9, and tower body upper end is in below discharge flue Being provided with the limit of filter screen 1 has several plastic beads 11；When flue gas is entered inside tower body through smoke discharging pipe 17, lead to The nozzle direction sprinkling lime stone slurry opened on spray tube 9 is crossed, mixes its slurries with flue gas, by titanium dioxide in flue gas The gases such as sulphur absorb, and when treated flue gas is passed through across plastic beads 11, water mist and 11 outer wall of plastic beads in flue gas are released, Its water mist is set to form drop on plastic beads 11, thus after being taken out to water mist in flue gas, then through 17 row of smoke discharging pipe Out, waste liquid is discharged through the leakage fluid dram of tower body lower end.

Prior art among the above has the following deficiencies: that plastic beads 11 carries out demisting process to flue gas in long-time In, since the water mist main component in flue gas is lime stone slurry, lime stone slurry is easy in 11 surface scale of plastic beads, And with flue gas continued emissions, the dirt on 11 surface of plastic beads is more thick and solid, to reduce the gap between plastic beads 11, holds Easily influence the discharge efficiency of flue gas；Therefore general work needs to carry out replacement scale removal to plastic beads 11 for a period of time afterwards, and more When changing plastic beads 11, due to needing to open tower body opening, to prevent smoke spillage, generally requiring boiler downtime can just be moulded Material bead 11 more changes jobs, the normal operation of extreme influence boiler.

Summary of the invention

The object of the present invention is to provide a kind of desulfurizing towers with demister, have during boiler continuous service, Plastic beads is replaced, guarantees the effect that boiler persistently operates normally.

Foregoing invention purpose of the invention has the technical scheme that

A kind of desulfurizing tower with demister, including tower body, the tower body include tower body and Ta Gai, along it inside the tower body Multi-layer sprinkling pipe is arranged in short transverse, and tower body lower sidewalls are also provided with smoke inlet, lower end offers leakage fluid dram, and the tower covers End is provided with smoke discharging pipe, lower end is provided with filter screen one, forms filter space inside tower lid, is laid with Man Youruo in filter space Dry plastic beads；Further include two positioned at tower body two sides and is respectively used to hold the material storing box one of plastic beads, material storing box two, it is described By pipeline one, pipeline two respectively with tower body, tower Gai Liantong, the material storing box two-way piping three, pipeline four divide material storing box one It is not connected to tower lid, smoke discharging pipe；The pipeline one and tower body junction, pipeline four and two junction of material storing box, smoke discharging pipe Valve one is respectively arranged with the junction Ta Gai；The junction of the pipeline two, pipeline three and tower lid is respectively arranged with valve two With valve three；The junction of the tower lid and tower body is provided with valve four.

By using above-mentioned technical proposal, when handling flue gas, flue gas enters in tower body by smoke inlet, sprays simultaneously Shower pipe work sprays lime stone slurry through spray head downward, is sufficiently mixed its lime stone slurry with flue gas, absorbs in flue gas The gases such as sulfur dioxide；Purified flue gas passes through plastic beads, and water mist in its flue gas is made to contact to form drop with plastic beads, After the lime stone slurry capacity contained in removal flue gas, flue gas is discharged through smoke discharging pipe again；When plastic beads is through after a period of time After use, by closing the valve one at smoke discharging pipe, valve three is opened, is connected to its tower lid with material storing box two, then open pipe The valve one of road everywhere, sequentially discharges its flue gas along tower lid, material storing box two, pipeline four, smoke discharging pipe, and smoke movement process In, impact force is played to plastic beads, while continuing to contact removal water mist with plastic beads, plastic beads is blowed to storage In hopper two, since only ventilation effect plays barrier effect to plastic beads to the valve one of pipeline everywhere, make it by Ta Gainei's After plastic beads is deposited in material storing box two；The valve one and valve four of valve three, pipeline four are closed, opening conduits one connect The valve one and opening valve two at place and smoke discharging pipe junction, blow its flue gas into material storing box one along pipeline one, Play the role of blowing to plastic beads new in material storing box one, keeps the plastic beads in its material storing box one defeated through pipeline two with flue gas It send to Ta Gainei, at the smoke discharging pipe under the barrier effect of valve one, so that it is only done smoke evacuation work and blocking is played to plastic beads Effect closes the valve one at pipeline one, the valve two at pipeline two and opens valve after plastic beads is paved in tower lid Four, make its desulfurizing tower continue to work normally；While to realize that its desulfurizing tower is realized to gas cleaning, complete to new and old plastics Bead more changes jobs, and guarantees that the whole of boiler operates normally, to improve the production efficiency of its boiler.

The present invention is further arranged to: the valve one includes the closure plate of opening and closing one/pipeline of pipeline, four/smoke discharging pipe One, the actuator of one straight-line displacement of closure plate is driven, the actuator includes being fixed on pipeline one/pipeline, four/smoke discharging pipe Mounting base offers in the mounting base and sliding slot, the cunning is arranged in parallel with pipeline one/pipeline, four/smoke discharging pipe length direction One end sliding bar fixed with closure plate one is slidably connected in slot, is fixed with displacement on the side of the sliding bar width direction Block, displaced block fall respectively along the two sides of sliding bar length direction and are equipped with inclined-plane one, inclined-plane two, offer in the mounting base for position The adjusting channel that block moves forward and backward is moved, inclined surface one, inclined-plane two are provided with drive block one, drive block in the adjusting channel Two, it adjusts and goes back vertical sliding motion bar glide direction in channel and be provided with screw rod one, screw rod two, gag lever post one, gag lever post two, the silk Bar one, gag lever post one pass through drive block one and screw rod one is threadedly engaged with drive block one, and the screw rod two, gag lever post two, which pass through, to be passed Motion block two and screw rod two is threadedly engaged with drive block two is additionally provided in the mounting base and screw rod one, screw rod two is driven to rotate Rotating member.

By using above-mentioned technical proposal, the rotation work of screw rod one, screw rod two is driven using rotating member, makes its drive block One, drive block two and the inclined-plane one of displaced block, two inclined-plane of inclined-plane are driven work, and sliding bar tandem is driven to be displaced, thus real Existing corresponding closure plate one is opened or the open-work of closed duct one/pipeline, four/smoke discharging pipe；.

The present invention is further arranged to: the screw rod one, the hand of spiral of screw rod two are identical, and on screw rod one, screw rod two It is coaxially fixed with pitch wheel two and gear three respectively.

Screw rod one and screw rod two are realized using the engagement of gear two and gear three by using above-mentioned technical proposal Synchronous backward rotation, and then under the threaded function in the same direction of screw rod one and screw rod two, realize drive block one, drive block two it is same The reversed displacement work of step.

The present invention is further arranged to: one end of the screw rod one extends to outside mounting base, and the rotating member uses and silk The co-axially fixed handwheel two in one end outwardly of bar one.

By using above-mentioned technical proposal, screw rod one is driven to rotate convenient for staff using handwheel, to give screw rod One, the rotate driving active force of screw rod two.

The present invention is further arranged to: the valve two includes the closure plate two of the opening and closing opening of pipeline two, is fixed on pipeline Bracket in two is plugged on bracket and one end and the fixed inserted link of closure plate two along two length direction of pipeline, is sheathed on inserted link Extension spring between closure plate two and bracket on one section, the extension spring drive opening for two closed conduct two of closure plate Mouthful；The limit plate abutted during one end also fixed displacement of the relatively closed plate two of inserted link with bracket；The closure plate two When abutting with pipeline two, the spacing between the limit plate and bracket is greater than 1.5 times of plastic beads diameter.

By using above-mentioned technical proposal, while playing position-limiting action to inserted link using bracket, in bracket and pipeline two The gap passed through for plastic beads is formed between wall, and then under the elastic acting force of extension spring, under original state, is driven and closed Plywood two is displaced towards bracket side, is always ensured that the opening of two closed duct two of closure plate；When flue gas from material storing box one through pipe When road two is blowed to tower lid, flue gas plays biggish impact force to closure plate two, overcomes the stretching action of extension spring, thus The opening of two opening conduits two of closure plate is driven, and under the position-limiting action of limit plate, makes it under the impact force of flue gas, is kept The spacing passed through for plastic beads is formed between closure plate two and the opening of pipeline two, to make its plastic beads with flue gas by managing The opening in road two enters to Ta Gainei.

The present invention is further arranged to: the valve three includes the closure plate three of the opening and closing opening of pipeline three, is fixed on Ta Gai The interior sliding rail in three two sides of closure plate offers only for the sliding groove of three upper and lower displacement of closure plate, the closure plate on sliding rail The side of three vertical tower lid short transverses is fixed with rack gear, and the rack gear is arranged in parallel with tower lid short transverse；The tower covers The gear four being engaged with rack is rotatably connected to by rotation axis, one end of the rotation axis extends to except tower lid and in tower One end except lid is fixed with handwheel three.

It by using above-mentioned technical proposal, drives rotation axis to rotate using handwheel three, and then is rotated with moving gear four, in tooth Under the engagement of wheel four and rack gear and sliding rail is under the limition orientation effect of closure plate three, drives closure plate three along sliding rail Upper and lower displacement opens or closes the opening of pipeline three；The frictional force between closure plate three and sliding rail, tower body inner wall is utilized in turn, Make its closure plate three under no external force, is limited in any position of sliding groove.

The present invention is further arranged to: if the valve four include be fixed on frame that lid be in below filter screen one, It is dry that the cover board in frame is rotationally connected with by shaft respectively, in the cover board rotation process, adjacent cover board do mutually abutting or Far from work；One end of the shaft is respectively fixed with gear one, all gears one while coiling and is engaged in same rack gear band On, one gear one is coaxially fixed with a drive shaft extended to outside tower lid, is fixed with handwheel one in the drive shaft.

By using above-mentioned technical proposal, drive shaft and corresponding gear one is driven to rotate by handwheel one, in rack gear band Interlink function under, realize the synchronous rotation of all gears one, so that shaft and cover board be driven to overturn, make its adjacent cover board It is located remotely from each other or abuts work, to realize the opening and closing work to tower cover gab；Simultaneously in the friction force of shaft and frame Under, realization circumferentially rotates position-limiting action to cover board.

The present invention is further arranged to: the side connection of one end of the pipeline one tower lid opposite with material storing box, the pipe Road two is obliquely installed and higher one end is connected to the side of material storing box relative duct size one.

By using above-mentioned technical proposal, it is on opposite face using the junction of pipeline one, pipeline two and material storing box one, When entering in material storing box one convenient for flue gas through pipeline one, convenient for blowing plastic beads into pipeline two, and then due to pipeline Two are obliquely installed, convenient for plastic beads from pipeline two by falling into Ta Gainei.

In conclusion advantageous effects of the invention are as follows:

1. using corresponding valve one, valve two, valve three and valve four, switching material storing box one and tower lid or material storing box two is opened and closed It is achievable more to change jobs to plastic beads in tower lid in the case of realizing normal operation of boiler with the connected relation of tower lid, it helps In the production efficiency for improving boiler；

2. utilizing screw rod one, screw rod two the threaded function power with drive block one, drive block two respectively, drive block one, transmission are driven Block two and the inclined-plane of displaced block are driven, and while achieving the displacement work of sliding bar drive closure plate one, are advocated outside in nothing It moves in the case where driving screw rod one to rotate, the limitation of its sliding bar can be made motionless, to enhance the stability of closure plate one, make its guarantor Card with pipeline one, pipeline four, smoke discharging pipe closing seam；

3. making its closure plate two that can be not necessarily to people with flue gas flow direction difference the pulling force effect of closure plate two using extension spring Work driving, and the work of automatic open close pipeline two is made, consequently facilitating its plastic beads more changes jobs.

Detailed description of the invention

Fig. 1 is the overall structure diagram of the prior art.

Fig. 2 is overall structure diagram of the invention.

Fig. 3 is the diagrammatic cross-section of Fig. 2.

Fig. 4 is the partial structural diagram of valve one in Fig. 3.

Fig. 5 is the diagrammatic cross-section of actuator in Fig. 4.

Fig. 6 is the enlarged diagram in Fig. 5 at A.

Fig. 7 is the partial structural diagram of valve two in Fig. 3.

Fig. 8 is the partial structural diagram of valve three in Fig. 3.

Fig. 9 is the partial structural diagram of valve four in Fig. 3.

In figure, 1, tower body；2, Ta Gai；3, material storing box one；4, material storing box two；5, valve one；51, closure plate one；52, it installs Seat；53, sliding bar；54, sliding slot；55, displaced block；56, channel is adjusted；57, drive block one；58, drive block two；59, screw rod one； 510, screw rod two；511, gag lever post one；512, gag lever post two；513, gear two；514, gear three；515, handwheel two；6, valve Two；61, closure plate two；62, bracket；63, inserted link；64, extension spring；65, limit plate；7, valve three；71, closure plate three；72, Sliding rail；73, sliding groove；74, gear four；75, rack gear；76, rotation axis；77, handwheel three；8, valve four；81, frame；82, turn Axis；83, cover board；84, gear one；85, rack gear band；86, drive shaft；87, handwheel one；9, spray tube；10, feed pipe；11, plastics Bead；12, filter screen one；13, pipeline one；14, pipeline two；15, pipeline three；16, pipeline four；17, smoke discharging pipe；18, into cigarette Mouthful；19, support frame.

Specific embodiment

Below in conjunction with attached drawing, invention is further described in detail.

It is a kind of desulfurizing tower with demister disclosed by the invention referring to Fig. 2 and 3, including by tower body 1 and Ta Gai 2 The tower body of composition, above-mentioned 1 upper end opening of tower body setting, tower lid 2 are covered on 1 upper end of tower body and opening and closing opening；Along it inside tower body 1 Short transverse is provided with three layers of spray tube 9, and 9 lower section of spray tube is communicated with spray head, and three layers of spray tube 9 simultaneously with a feed pipe 10 connections, one end of feed pipe 10 are connected to extraneous lime stone slurry；Smoke inlet 18, lower end are offered in 1 lower sidewalls of tower body Offer leakage fluid dram；2 upper end of tower lid is communicated with discharge flue, lower end is fixed with filter screen 1, and filtering is formed inside tower lid 2 Space, interior be laid with of filter space completely have hollow plastic beads 11；Flue gas is after smoke inlet 18 enters in tower body 1, lime stone slurry Sprayed through spray tube 9, and flue gas neutralization reaction, purified flue gas is discharged along smoke discharging pipe 17, and in discharge process with The plastic beads 11 of filter space contacts, and is removed to the moisture in flue gas.

1 two sides of tower body are also respectively provided with material storing box 1, material storing box 24, and material storing box 1 passes through pipeline 1, pipeline two 14 are connected to tower body 1, tower lid 2 respectively；Material storing box 24 by pipeline 3 15, pipeline 4 16 respectively with tower lid 2, smoke discharging pipe 17 Connection；Pipeline 1, pipeline 2 14 and material storing box 1 communication port be the opposite flank of material storing box 1, wherein pipeline 1 with Material storing box 1 is connected to respect to 1 side of tower body；Pipeline 3 15 is connected to material storing box 24 towards 1 side of tower body, pipeline 4 16 and storing The upper end of case 24 is connected to；In the present embodiment, pipeline 1, pipeline 4 16, smoke discharging pipe 17 respectively with tower body 1, material storing box 24, 2 connectivity part of tower lid is provided with valve 1；The connectivity part of pipeline 2 14, pipeline 3 15 and tower lid 2 is respectively arranged with valve 26, valve Door 37；2 lower end of tower lid is provided with valve 48.Wherein, for holding new plastic beads 11, material storing box 24 in material storing box 1 For holding the plastic beads 11 in tower lid 2.When replacing plastic beads 11 in tower lid 2, valve 1 closes smoke discharging pipe 17, separately The opening of one valve, one 5 opening conduits 4 16, the opening of 37 opening conduits 3 15 of valve, flue gas is by plastic beads 11 in tower lid 2 It blows to material storing box 24；Valve 37 closes pipeline 3 15 and is open again, and valve 1 closes pipeline 4 16 and is open, and valve 48 closes The opening of 2 lower end of tower lid, one 5 opening conduits 1 of valve, the opening of discharge flue are closed, 26 opening conduits 2 14 of valve are opened Mouthful, flue gas enters in tower lid 2 through pipeline 1, material storing box 1 and pipeline 2 14, then is discharged along smoke discharging pipe 17, is blowing During sending, the plastic beads 11 in material storing box 1 is delivered in tower lid 2, completes the replacement work of plastic beads 11 in tower lid 2 After work, valve 1, valve 26 close pipeline 1, pipeline 2 14 be open, valve 48 open tower lid 2 be open, make its flue gas into Row normal discharge.

In the present embodiment, material storing box 1, material storing box 24 are fixed on tower body 1 by support frame 19 respectively.

Referring to Fig. 3 and 4, above-mentioned valve 1 includes closure plate 1 and actuator, and closure plate 1 is covered on pipeline one In the opening of 13/ pipeline, 4 16/ smoke discharging pipe 17；Referring to Figures 5 and 6: above-mentioned actuator includes mounting base 52, sliding slot 54, sliding Bar 53, displaced block 55, drive block 1, drive block 2 58, screw rod 1, screw rod 2 510, gag lever post 1, gag lever post two 512 and rotating member；Mounting base 52 is fixedly installed on one 13/ pipeline of pipeline, 4 16/ smoke discharging pipe, 17 side wall (referring to Fig. 3)； Sliding slot 54 is parallel with the length direction of one 13/ pipeline of pipeline, 4 16/ smoke discharging pipe 17 to be opened in mounting base 52；Sliding bar 53 is inserted It is connected in sliding slot 54 and one end of 54 straight-line displacements and sliding bar 53 and one 51(of closure plate reference Fig. 4) is fixed along the chute；Displacement Block 55 is fixed on the side of 53 width direction of sliding bar；The corresponding displaced block 55 in channel 56 is adjusted to be opened in mounting base 52 and for position Block 55 is moved with 53 straight-line displacement of sliding bar；Displaced block 55 along the two sides of 53 length direction of sliding bar be set as respectively inclined-plane one, tiltedly Its displaced block 55 is arranged in isosceles trapezoid in face two；Drive block 1, drive block 2 58 are set in adjusting channel 56 and difference It is driven with inclined-plane one, two inclined-plane of inclined-plane；Screw rod 1, screw rod 2 510, gag lever post 1, the equal vertical sliding motion of gag lever post 2 512 The setting of 53 length direction of bar, screw rod 1, screw rod 2 510 are rotationally connected in mounting base 52 and are each passed through drive block one 57, it drive block 2 58 and is threadedly engaged with drive block 1, drive block 2 58；Gag lever post 1, gag lever post 2 512 are fixed on In mounting base 52 and it is each passed through drive block 1, drive block 2 58；Rotating member drives screw rod 1, screw rod 2 510 to rotate, and drives Make drive block 1, the displacement of 2 58 synchronous backward of drive block, drives 53 straight line of sliding bar to be displaced repeatedly, drive one 51 phase of closure plate One 13/ pipeline of pipeline, 4 16/ smoke discharging pipe 17 is moved forward and backward, opening and closing one 13/ pipeline of pipeline, 4 16/ smoke discharging pipe 17 is opened Mouthful.In the present embodiment, in drive block 1,2 58 displacement process of drive block, supported always while respectively with inclined-plane one, inclined-plane two It connects.

In the present embodiment, screw rod 1, screw rod 2 510 are coaxially fixed with pitch wheel 2 513, gear three respectively 514, the setting identical as 3 514 number of teeth of gear, outer diameter of gear 2 513；One end of screw rod 1 extends to outside mounting base 52, rotation Part, which is used, is in the co-axially fixed handwheel 2 515 in the outer one end of mounting base 52 with screw rod 1.

Referring to Fig. 3, in the present embodiment, the opening that pipeline 1 is connected to material storing box 1 is fixed with filter screen two (in figure It is not shown).

Referring to Fig. 3 and 7, in the present embodiment, pipeline 2 14 is obliquely installed, and tilt angle is 45 °, and higher one end with Material storing box 1 is connected to.Above-mentioned valve 26 includes closure plate 2 61, bracket 62, inserted link 63, extension spring 64 and limit plate 65； Closure plate 2 61 is covered on pipeline 2 14 towards the opening of 2 side of tower lid；Bracket 62 be fixed in pipeline 2 14 and bracket 62 with The gap passed through for plastic beads 11 is formed between pipeline 2 14；Inserted link 63 is perpendicularly fixed at closure plate 2 61 towards pipeline 2 14 1 The center and one end of side pass through bracket 62；Extension spring 64 is sheathed on inserted link 63 and is between closure plate 2 61 and bracket 62 Outside one section and both ends are fixed with closure plate 2 61, bracket 62 respectively；Limit plate 65 is fixed on the relatively closed plate 2 61 of inserted link 63 It one end and is abutted in displacement process with bracket 62.In the present embodiment, under 64 original state of extension spring, closure plate two is driven The opening of 61 closed ducts 2 14, while the spacing between limit plate 65 and bracket 62 is 2 times of 11 diameter of plastic beads；When closing Plywood 2 61 is under the impact force of flue gas, when the opening of opening conduits 2 14, the spacing between closure plate 2 61 and pipeline 2 14 It is enough that plastic beads 11 is allowed to pass through.

Referring to Fig. 3 and 8, above-mentioned valve 37 includes closure plate 3 71, sliding rail 72, gear 4 74, rack gear 75, rotation axis 76 And handwheel 3 77；Closure plate 3 71 is covered on pipeline 3 15 towards the opening of 2 one end of tower lid；Sliding rail 72 is provided with two groups and difference It is fixed on 2 inner wall of tower lid of the two sides of the opening of pipeline 3 15 vertically, offers sliding groove 73 on the adjacent surface of two sliding rails 72, close 3 71 both ends of plywood are plugged in sliding groove 73 and along 73 upper and lower displacement of sliding groove；Rack gear 75 is parallel with 2 short transverse of tower lid solid Due to the side of closure plate 3 71；Gear 4 74 and rotation axis 76 it is coaxial fixed and be rotationally connected in tower lid 2 and with rack gear 75 It is engaged；One end of rotation axis 76 extends to except tower lid 2, and handwheel 3 77 and one end that rotation axis 76 is in outside tower lid 2 are same Axis is fixed.When driving rotation axis 76 to rotate with moving gear 4 74,3 71 upper and lower displacement of closure plate is driven, opening and closing pipeline 3 15 Opening；Wherein, closure plate 3 71 is pushed against on pipeline 3 15,2 wall of tower lid, utilizes the friction between closure plate 3 71 and tower lid 2 Power realizes the limit work of closure plate 3 71.

Referring to Fig. 3 and 9, above-mentioned valve 48 includes frame 81, shaft 82, cover board 83, gear 1, rack gear band 85, driving Axis 86 and handwheel 1；Frame 81 is fixed on the lower section that tower lid 2 is in filter screen；Cover board 83 is arranged along 81 length direction of frame There are multiple groups, shaft 82 is correspondingly arranged with cover board 83 respectively and is fixed on the two sides of 83 length direction of cover board, and shaft 82 is plugged in side Rotation connection of the cover board 83 with respect to frame 81 is realized on the inside of frame 81；In 83 switching process of cover board, mutually abut or separate；Gear one 84 correspond to the one end for being fixed on every shaft 82, rack gear band 85 while coiling and are engaged on all gears 1；Drive shaft The coaxial fixation of 86 one end and one gear 1, the other end extend to except frame 81 and tower lid 2, and are in tower lid 2 Except one end and handwheel 1 it is coaxial fixed.When handwheel 1 drives drive shaft 86 and one gear 1 to rotate, in tooth Under the drive of band 85,83 rotation of all shafts 82 and cover board is realized；In 83 rotation process of cover board, in shaft 82 and frame 81 Frictional force under, automatic spacing to any angle.Wherein, the two sides of 83 width direction of cover board are in circular arc setting, when cover board 83 Horizontally disposed, adjacent cover board 83 mutually abuts, and plays the role of closing 2 opening of tower lid.

The implementation principle of the present embodiment are as follows: in replacement tower lid 2 when plastic beads 11, valve 1 closes smoke discharging pipe 17, separately The opening of one valve, one 5 opening conduits 4 16, the opening of 37 opening conduits 3 15 of valve, flue gas is by plastic beads 11 in tower lid 2 It blows to material storing box 24；Valve 37 closes pipeline 3 15 and is open again, and valve 1 closes pipeline 4 16 and is open, and valve 48 closes The opening of 2 lower end of tower lid, one 5 opening conduits 1 of valve, the opening of discharge flue are closed, 26 opening conduits 2 14 of valve are opened Mouthful, flue gas enters in tower lid 2 through pipeline 1, material storing box 1 and pipeline 2 14, then is discharged along smoke discharging pipe 17, is blowing During sending, the plastic beads 11 in material storing box 1 is delivered in tower lid 2, completes the replacement work of plastic beads 11 in tower lid 2 After work, valve 1, valve 26 close pipeline 1, pipeline 2 14 be open, valve 48 open tower lid 2 be open, make its flue gas into Row normal discharge.

The embodiment of present embodiment is presently preferred embodiments of the present invention, not limits protection of the invention according to this Range, therefore: the equivalence changes that all structures under this invention, shape, principle are done, should all be covered by protection scope of the present invention it It is interior.

Claims (8)

1. a kind of desulfurizing tower with demister, including tower body, the tower body includes tower body (1) He Tagai (2), the tower body (1) internal that Multi-layer sprinkling pipe (9) are arranged along its short transverse, tower body (1) lower sidewalls are also provided with smoke inlet (18), lower end is opened Equipped with leakage fluid dram, tower lid (2) upper end is provided with smoke discharging pipe (17), lower end is provided with filter screen one (12), in tower lid (2) Portion forms filter space, and being laid in filter space completely has several plastic beads (11)；It is characterized by also including two to be located at tower body (1) two sides and being respectively used to hold material storing box one (3), the material storing box two (4) of plastic beads (11), and the material storing box one (3) is logical Piping one (13), pipeline two (14) are connected to tower body (1), tower lid (2) respectively, and the material storing box two (4) passes through pipeline three (15), pipeline four (16) is connected to tower lid (2), smoke discharging pipe (17) respectively；The pipeline one (13) and tower body (1) junction, Pipeline four (16) and material storing box two (4) junction, smoke discharging pipe (17) and tower lid (2) junction are respectively arranged with valve one (5)； The junction of the pipeline two (14), pipeline three (15) and tower lid (2) is respectively arranged with valve two (6) and valve three (7)；It is described The junction of tower lid (2) and tower body (1) is provided with valve four (8).

2. a kind of desulfurizing tower with demister according to claim 1, it is characterised in that: valve one (5) packet It includes the closure plate one (51) of opening and closing pipeline one (13)/pipeline four (16)/smoke discharging pipe (17), drive closure plate one (51) straight line position The actuator of shifting, the actuator include the mounting base for being fixed on pipeline one (13)/pipeline four (16)/smoke discharging pipe (17) (52), set parallel with pipeline one (13)/pipeline four (16)/smoke discharging pipe (17) length direction is offered in the mounting base (52) It sets sliding slot (54), one end sliding bar (53) fixed with closure plate one (51), the cunning is slidably connected in the sliding slot (54) It is fixed with displaced block (55) on the side of lever (53) width direction, displaced block (55) is along the two sides of sliding bar (53) length direction It falls respectively and is equipped with inclined-plane one, inclined-plane two, offer the adjusting channel moved forward and backward for displaced block (55) in the mounting base (52) (56), the interior inclined surface one of the adjusting channel (56), inclined-plane two are provided with drive block one (57), drive block two (58), adjust Go back in channel (56) vertical sliding motion bar (53) glide direction be provided with screw rod one (59), screw rod two (510), gag lever post one (511), Gag lever post two (512), the screw rod one (59), gag lever post one (511) are across drive block one (57) and screw rod one (59) and transmission Block one (57) is threadedly engaged, the screw rod two (510), gag lever post two (512) pass through drive block two (58) and screw rod two (510) with Drive block two (58) is threadedly engaged, and is additionally provided on the mounting base (52) and screw rod one (59), screw rod two (510) is driven to rotate Rotating member.

3. a kind of desulfurizing tower with demister according to claim 2, it is characterised in that: the screw rod one (59), The hand of spiral of screw rod two (510) is identical, and is coaxially fixed with respectively on screw rod one (59), screw rod two (510) intermeshing Gear two (513) and gear three (514).

4. a kind of desulfurizing tower with demister according to claim 3, it is characterised in that: the screw rod one (59) One end extends to mounting base (52) outside, and the rotating member uses and screw rod one (59) the co-axially fixed handwheel two in one end outwardly (515)。

5. a kind of desulfurizing tower with demister according to claim 1, it is characterised in that: valve two (6) packet Include the closure plate two (61) for opening and closing pipeline two (14) opening, the bracket (62) being fixed in pipeline two (14), along pipeline two (14) Length direction, which is plugged in the fixed inserted link (63) of on bracket (62) and one end and closure plate two (61), is sheathed on inserted link (63) is in Extension spring (64) between closure plate two (61) and bracket (62) on one section, the extension spring (64) drive closure plate two (61) opening of closed conduct two (14)；During one end also fixed displacement of the relatively closed plate two (61) of inserted link (63) with The limit plate (65) that bracket (62) abuts；When the closure plate two (61) abuts with pipeline two (14), the limit plate (65) with Spacing between bracket (62) is greater than 1.5 times of plastic beads (11) diameter.

6. a kind of desulfurizing tower with demister according to claim 1, it is characterised in that: valve three (7) packet It includes the closure plate three (71) of opening and closing pipeline three (15) opening, be fixed in Ta Gai (2) sliding rail for being in closure plate three (71) two sides (72), the only sliding groove (73) for closure plate three (71) upper and lower displacement is offered on sliding rail (72), the closure plate three (71) is hung down The side of straight tower lid (2) short transverse is fixed with rack gear (75), and the rack gear (75) is arranged in parallel with tower lid (2) short transverse； It is rotatably connected to and rack gear (75) meshed gears four (74), the rotation axis on the tower lid (2) by rotation axis (76) (76) one end extends to except Ta Gai (2) and one end except tower lid (2) is fixed with handwheel three (77).

7. a kind of desulfurizing tower with demister according to claim 1, it is characterised in that: valve four (8) packet Include the frame (81) for being fixed on lid and being in below filter screen one (12), several pass through respectively shaft (82) are rotationally connected with frame (81) cover board (83) in, in cover board (83) rotation process, adjacent cover board (83), which is done, mutually to be abutted or far from work；It is described One end of shaft (82) is respectively fixed with gear one (84), all gears one (84) while coiling and is engaged in same rack gear band (85) on, one gear one (84) is coaxially fixed with one and extends to the drive shaft (86) of Ta Gai (2) outside, on the drive shaft (86) It is fixed with handwheel one (87).

8. a kind of desulfurizing tower with demister according to claim 1, it is characterised in that: the pipeline one (13) The side of one end tower lid (2) opposite with material storing box is connected to, and the pipeline two (14) is obliquely installed and higher one end and material storing box The side of relative duct size one (13) is connected to.