CN209596799U - A kind of power generation station-service flue gas desulfurization and denitrification device - Google Patents

Abstract

The utility model relates to the technical fields of fume treatment auxiliary equipment, and more particularly to a kind of power generation station-service flue gas desulfurization and denitrification device, occupied area is small, reduce investment, management and operating cost；And the dust removing effects to flue gas are improved, to improve the effect of subsequent desulfurization and denitration, improve use reliability；Including tower body and the first spray pump, tower body is internally provided with working chamber, it is divided into denitration space in working chamber from top to down, desulfurization space and dedusting space, the bottom in dedusting space is equipped with clear water, the first spray tube is provided at the top of dedusting space, left deflector and right deflector, the first venthole of multiple groups is provided on left deflector and right deflector, it further include first spray head, blast pipe, air-introduced machine, air-exhausting duct, axial flow blower, desulfuration solution case, denitration liquor box, second spray pump, third spray pump, first return pipe, second return pipe, first door, second spray head, second door, third spray tube, denitration sieve plate and third spray head.

Description

A kind of power generation station-service flue gas desulfurization and denitrification device

Technical field

The utility model relates to the technical fields of fume treatment auxiliary equipment, de- more particularly to a kind of power generation station-service flue gas Sulphur denitrification apparatus.

Background technique

It is well known that the concentration of SOX and NOX is not high in the flue gas that power plant generates, but total amount is very big, and generate electricity station-service flue gas Desulfuring and denitrifying apparatus is that one kind is used to generate it SOX and NOX is handled, and the auxiliary polluted to atmospheric environment is avoided to fill It sets, is widely used in a variety of applications in power plant and the field of environmental protection；Existing power generation station-service flue gas desulfurization and denitrification dress It sets including gas wash tower, desulfurizing tower and denitrating tower, and is all provided between gas wash tower and desulfurizing tower and between desulfurizing tower and denitrating tower It is equipped with connection air hose, one end of gas wash tower is provided with and communicated with blast pipe, and air-introduced machine is provided at blast pipe, the top of denitrating tower End is provided with and communicated with discharge pipe, and axial flow blower is provided at discharge pipe；Existing power generation station-service flue gas desulfurization and denitrification device When use；Flue gas is directed into gas wash tower from blast pipe by air-introduced machine and is dusted, flue gas is then removed by desulfurizing tower In oxysulfide, the nitrogen oxides in flue gas is removed by denitrating tower, is by the discharge of the gas of purification finally by air-exhausting duct It can；It finds, takes up a large area in existing power generation station-service flue gas desulfurization and denitrification device use, and invest, management, running cost With also higher, cause practicability lower；And it is poor to the dust removing effects of flue gas, influences the effect of subsequent desulfurization and denitration, Cause use reliability lower.

Utility model content

In order to solve the above technical problems, to provide a kind of occupied area small for the utility model, investment, management and running cost are reduced With raising practicability；And the dust removing effects to flue gas are improved, to improve the effect of subsequent desulfurization and denitration, improves and uses The power generation station-service flue gas desulfurization and denitrification device of reliability.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, including tower body and the first spray pump, the tower Body is internally provided with working chamber, is divided into denitration space, desulfurization space and dedusting space, dedusting space in working chamber from top to down Bottom clear water is housed, be provided with the first spray tube, left deflector and right deflector, a left side for left deflector at the top of dedusting space End is connect with the left side wall in dedusting space, and there are space, the right sides between the right end of left deflector and the right side wall in dedusting space Deflector is located at the lower section of left deflector, and the right end of right deflector is connect with the right side wall in dedusting space, the left end of right deflector There are spaces between the left side wall in dedusting space, and the ventilation of multiple groups first is provided on left deflector and right deflector Hole, first spray tube is located at the top of left deflector, and is provided with and communicated with first spray head, tower in the bottom end of the first spray tube The left end bottom of body is provided with the blast pipe communicated with dedusting space, and the output end of the blast pipe stretches in clear water, and Air-introduced machine is provided at blast pipe, the top of tower body is provided with the air-exhausting duct communicated with desulfurization space, and is arranged at air-exhausting duct There is axial flow blower, first spray pump is installed on the right end of tower body, and the input terminal of the first spray pump is protruded into from the right end of tower body It in work dedusting space and stretches in clear water, the output end of the first spray pump stretches in dedusting space simultaneously from the right end of tower body It is connected to the first spray tube；It further include desulfuration solution case, denitration liquor box, the second spray pump, third spray pump, the first return pipe With the second return pipe, the desulfuration solution case is internally provided with the first placed cavity, and the top of desulfuration solution case is provided with first Feed opening, and the first door is provided at the first feed opening, the second spray tube and desulfurization sieve are provided in the desulfurization space The left end of plate, the desulfurization sieve plate is connect with the left side wall in desulfurization space, the right end of desulfurization sieve plate tilt down and with desulfurization sky Between right side wall connection, second spray tube is located at the top of desulfurization sieve plate, and in the connection setting of the bottom end of the second spray tube There is second spray head, the top of input terminal from the desulfurization liquor box of second spray pump stretches in the first placed cavity, the second spray The output end of leaching pump is stretched in desulfurization space from the right end of tower body and is connected to the second spray tube, and the one of first return pipe The top for stretching to from the right end of tower body and in desulfurization space and being located at desulfurization sieve plate is held, the other end of the first return pipe is molten from desulfurization The top of liquid case stretches in the first placed cavity and extends to the bottom of the first placed cavity, and the denitration liquor box is internally provided with Second placed cavity, the top of denitration liquor box is provided with the second feed opening, and the second door is provided at the second feed opening, institute It states and is provided with third spray tube and denitration sieve plate in denitration space, the left end of the denitration sieve plate and the left side wall in denitration space connect It connects, the right end of denitration sieve plate is tilted down and connect with the right side wall in denitration space, and the third spray tube is located at denitration sieve plate Top, and be provided with and communicated with third spray head in the bottom end of third spray tube, the input terminal of the third spray pump is molten from denitration The top of liquid case stretches in the second placed cavity, and the output end of third spray pump stretches in denitration space simultaneously from the right end of tower body It is connected to third spray tube, one end of second return pipe stretches in denitration space from the right end of tower body and is located at denitration and sieves The top of the top of plate, the other end from the denitration liquor box of the second return pipe stretches in the second placed cavity and extends to the second placement The bottom of chamber.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, further includes first motor, the dedusting space Right side wall on be provided with mounting groove, and ball bearing is fixedly installed in mounting groove, the first motor is installed on tower body Left end bottom, and the right side output end of first motor is provided with first rotating shaft, the right end of the first rotating shaft is from tower body Left end stretches in dedusting space and is inserted into inside ball bearing, and the first paddle is provided in first rotating shaft, institute The first paddle is stated to be located in dedusting space.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, further includes the second motor, second motor It is installed on the top of desulfuration solution case, and the bottom output end of the second motor is provided with the second shaft, second shaft The top of bottom end from desulfurization liquor box stretches in the first placed cavity, and the second paddle is provided in the second shaft, described Second paddle is located in the first placed cavity.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, further includes third motor, the third motor It is installed on the top of denitration liquor box, and the bottom output end of third motor is provided with third shaft, the third shaft The top of bottom end from denitration liquor box stretches in the second placed cavity, and third paddle is provided in third shaft, described Third paddle is located in the second placed cavity.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the desulfuration solution case and denitration liquor box Right end bottom is provided with recovery tube, and is provided with valve at two groups of recovery tubes.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the structure of the desulfurization sieve plate and denitration sieve plate Identical, desulfurization sieve plate and denitration sieve plate include upper plate body and lower body, there are gap between the upper plate body and lower body, on Venthole under multiple groups upper vent hole and multiple groups is respectively arranged on plate body and lower body, the multiple groups upper vent hole is located at more The surface of the lower venthole of group.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model is ventilated under the multiple groups upper vent hole and multiple groups Hole is up-small and down-big structure.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the top of the desulfurization sieve plate and denitration sieve plate Right side is provided with solution collecting board, and the solution collecting board is at " dustpan " shape, and the right side of solution collecting board described in two groups Output end is connected with the input terminal of the first return pipe and the second return pipe respectively.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the dedusting space, desulfurization space and denitration Multiple groups homogenizing plate is provided in space, the multiple groups homogenizing plate is located at right deflector, desulfurization sieve plate and denitration sieve plate Lower section.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model is horizontally arranged with filtering in the dedusting space Net, the filter screen are located at the lower section of the first spray pump input terminal, the one end of first paddle of multiple groups far from first rotating shaft Be provided with connecting plate, and the side of first rotating shaft be provided with bristle in connecting plate, the end of a part of bristle with The bottom end of filter screen is adjacent to.

Compared with prior art the utility model has the following beneficial effects: gas wash tower, desulfurizing tower and denitrating tower are integrated into one In a tower body, flue gas is directed into dedusting space from blast pipe by air-introduced machine, by the first spray pump by dedusting space The water for being mixed with foaming agent is pumped into the first spray tube and the ejection that nebulizes, and clear water forms water on left deflector and right deflector Film, flue gas is by forming bubble after the venthole on left deflector and right deflector, the contact area of impurity in increase and flue gas, To be dusted to flue gas, and it is inversely spraying to flue gas progress by water mist, further flue gas is dusted, is improved to cigarette The dust removing effects of gas improve use reliability to improve the effect of subsequent desulfurization and denitration, and then flue gas rises to desulfurization sky Between, the desulfuration solution for being mixed with foaming agent is pumped in the second spray tube and from second spray head and is nebulized ejection by the second spray pump, Desulfuration solution forms moisture film on desulfurization sieve plate, and flue gas forms bubble after passing through desulfurization sieve plate again, passes through desulfuration solution and cigarette Oxysulfide in gas reacts, and falls on desulfurization sieve plate after bubble splitting and is back to desulfuration solution by the first return line flow In case, then flue gas rises to denitration space, is pumped the denitration solution for being mixed with foaming agent to third by the second spray pump and sprayed It nebulizes ejection in shower pipe and from third spray head, forms moisture film on denitration sieve plate, flue gas is formed again after passing through denitration sieve plate Bubble, is reacted by denitration solution and the nitrogen oxides in flue gas, is fallen on denitration sieve plate after bubbles burst and from second Return line flow is back off in nitre liquor box, and the clean gas by dedusting, desulfurization and denitration process is discharged from exhaust pipe, occupied area It is small, investment, management and operating cost are reduced, practicability is improved.

Detailed description of the invention

Fig. 1 is the structural schematic diagram of the utility model；

Fig. 2 is the overlooking structure diagram of the utility model desulfurization sieve plate and solution collecting board；

Fig. 3 is the enlarged structure schematic diagram of the utility model desulfurization sieve plate or denitration sieve plate section；

It is attached marked in the figure: 1, tower body；2, the first spray pump；3, the first spray tube；4, left deflector；5, right deflector；6, First venthole；7, first spray head；8, blast pipe；9, air-introduced machine；10, air-exhausting duct；11, axial flow blower；12, desulfuration solution case； 13, denitration liquor box；14, the second spray pump；15, third spray pump；16, the first return pipe；17, the second return pipe；18, first Door；19, the second spray tube；20, desulfurization sieve plate；21, second spray head；22, the second door；23, third spray tube；24, denitration Sieve plate；25, third spray head；26, first motor；27, the first paddle；28, the second motor；29, the second paddle；30, third Motor；31, third paddle；32, recovery tube；33, upper plate body；34, lower body；35, upper vent hole；36, lower venthole；37, Solution collecting board；38, homogenizing plate；39, filter screen；40, connecting plate；41, bristle.

Specific embodiment

With reference to the accompanying drawings and examples, specific embodiment of the present utility model is described in further detail.Below Embodiment is not intended to limit the scope of the present invention for illustrating the utility model.

As shown in Figure 1 to Figure 3, a kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, including tower body 1 and One spray pump 2, tower body 1 are internally provided with working chamber, are divided into denitration space, desulfurization space and dedusting in working chamber from top to down Space, the bottom in dedusting space are equipped with clear water, are provided with the first spray tube 3, left deflector 4 and right water conservancy diversion at the top of dedusting space The left end of plate 5, left deflector 4 is connect with the left side wall in dedusting space, the right side wall in the right end of left deflector 4 and dedusting space it Between there are space, right deflector 5 is located at the lower section of left deflector 4, and the right end of right deflector 5 and the right side wall in dedusting space connect It connects, there are spaces between the left end of right deflector 5 and the left side wall in dedusting space, and on left deflector 4 and right deflector 5 It is provided with the first venthole of multiple groups 6, the first spray tube 3 is located at the top of left deflector 4, and connects in the bottom end of the first spray tube 3 Logical to be provided with first spray head 7, the left end bottom of tower body 1 is provided with the blast pipe 8 communicated with dedusting space, the output of blast pipe 8 End stretches in clear water, and air-introduced machine 9 is provided at blast pipe 8, and the top of tower body 1 is provided with the row communicated with desulfurization space Air hose 10, and axial flow blower 11 is provided at air-exhausting duct 10, the first spray pump 2 is installed on the right end of tower body 1, the first spray pump The right end of 2 input terminal from tower body 1 is stretched in work dedusting space and is stretched in clear water, and the output end of the first spray pump 2 is certainly The right end of tower body 1 is stretched in dedusting space and is connected to the first spray tube 3；It further include desulfuration solution case 12, denitration liquor box 13, the second spray pump 14, third spray pump 15, the first return pipe 16 and the second return pipe 17, the inside of desulfuration solution case 12 are set It is equipped with the first placed cavity, the top of desulfuration solution case 12 is provided with the first feed opening, and is provided with first at the first feed opening Door 18, is provided with the second spray tube 19 and desulfurization sieve plate 20 in desulfurization space, the left end of desulfurization sieve plate 20 and desulfurization space Left side wall connection, the right end of desulfurization sieve plate 20 are tilted down and are connect with the right side wall in desulfurization space, and the second spray tube 19 is located at The top of desulfurization sieve plate 20, and be provided with and communicated with second spray head 21 in the bottom end of the second spray tube 19, the second spray pump 14 it is defeated Enter end to stretch in the first placed cavity from the top of desulfurization liquor box 12, the right end of the output end of the second spray pump 14 from tower body 1 It stretches in desulfurization space and is connected to the second spray tube 19, the right end of one end from the tower body 1 of the first return pipe 16 stretches to de- Top in sulphur space and positioned at desulfurization sieve plate 20, the top of the other end from the desulfurization liquor box 12 of the first return pipe 16 stretches to First placed cavity is interior and extends to the bottom of the first placed cavity, and denitration liquor box 13 is internally provided with the second placed cavity, and denitration is molten The top of liquid case 13 is provided with the second feed opening, and the second door 22 is provided at the second feed opening, is arranged in denitration space There are third spray tube 23 and denitration sieve plate 24, the left end of denitration sieve plate 24 is connect with the left side wall in denitration space, denitration sieve plate Right end is tilted down and is connect with the right side wall in denitration space, and third spray tube 23 is located at the top of denitration sieve plate 24, and The bottom end of three spray tubes 23 is provided with and communicated with third spray head 25, and the input terminal of third spray pump 15 is from the top of denitration liquor box 13 It stretches in the second placed cavity, the right end of output end from the tower body 1 of third spray pump 15 stretches in denitration space and and third Spray tube 23 is connected to, and the right end of one end from the tower body 1 of the second return pipe 17 stretches in denitration space and is located at denitration sieve plate 24 Top, the top of the other end from the denitration liquor box 13 of the second return pipe 17 stretches in the second placed cavity and extends to second and puts Set the bottom of chamber；Gas wash tower, desulfurizing tower and denitrating tower are integrated into a tower body, led flue gas from blast pipe by air-introduced machine Enter to dedusting space, by the first spray pump by the water for being mixed with foaming agent in dedusting space pump into the first spray tube and at Mist sprays, and clear water forms moisture film on left deflector and right deflector, and flue gas passes through logical on left deflector and right deflector Bubble is formed after stomata, increases the contact area with impurity in flue gas, to be dusted to flue gas, and by water mist to flue gas It carries out inversely spraying, further flue gas is dusted, the dust removing effects to flue gas are improved, to improve subsequent desulfurization and denitration Effect, improve use reliability, then flue gas rises to desulfurization space, and the second spray pump will be mixed with the desulfuration solution of foaming agent It pumps in the second spray tube and from second spray head and nebulizes ejection, desulfuration solution forms moisture film on desulfurization sieve plate, and flue gas is logical Bubble is formed again after crossing desulfurization sieve plate, is reacted by desulfuration solution and the oxysulfide in flue gas, is fallen after bubble splitting It is back in desulfuration solution case on desulfurization sieve plate and through the first return line flow, then flue gas rises to denitration space, passes through The denitration solution for being mixed with foaming agent is pumped into third spray tube and is nebulized ejection from third spray head by two spray pumps, in denitration Moisture film is formed on sieve plate, flue gas forms bubble after passing through denitration sieve plate again, passes through the nitrogen oxides in denitration solution and flue gas It reacts, is fallen in after bubbles burst on denitration sieve plate and from the second return line flow back off nitre liquor box, by dedusting, desulfurization It is discharged with the clean gas of denitration process from exhaust pipe, occupied area is small, reduces investment, management and operating cost, improves practical Property.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, further includes first motor 26, dedusting space It is provided with mounting groove on right side wall, and is fixedly installed with ball bearing in mounting groove, first motor 26 is installed on a left side for tower body 1 Bottom is held, and the right side output end of first motor 26 is provided with first rotating shaft, the left end of right end from the tower body 1 of first rotating shaft is stretched Enter in dedusting space and being inserted into inside ball bearing, and be provided with the first paddle 27 in first rotating shaft, first stirs Leaf 27 is mixed to be located in dedusting space；By first motor drive the rotation of the first paddle to clear water and the flue gas that is passed through in clear water into Row agitation, mixes flue gas with clear water ingredient, to remove the impurity in part of smoke.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model further includes the second motor 28, the second motor 28 It is installed on the top of desulfuration solution case 12, and the bottom output end of the second motor 28 is provided with the second shaft, the second shaft The top of bottom end from desulfurization liquor box 12 stretches in the first placed cavity, and the second paddle 29 is provided in the second shaft, Second paddle 29 is located in the first placed cavity；Drive the rotation of the second paddle to de- in desulfuration solution case by the second motor Sulphur solution and foaming agent are stirred, and guarantee that desulfuration solution can effectively foam, and can make to flow back into desulfuration solution case The reaction was continued for solution, removes oxysulfide.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, further includes third motor 30, third motor 30 It is installed on the top of denitration liquor box 13, and the bottom output end of third motor 30 is provided with third shaft, third shaft The top of bottom end from denitration liquor box 13 stretches in the second placed cavity, and third paddle 31 is provided in third shaft, Third paddle 31 is located in the second placed cavity；Drive the rotation of third paddle to denitration solution and foaming agent by third motor It is stirred, guarantees that denitration solution can effectively foam, and the solution flow back into denitration liquor box can be made the reaction was continued, Remove denitrification.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the right side of desulfuration solution case 12 and denitration liquor box End bottom is provided with recovery tube 32, and is provided with valve at two groups of recovery tubes 32；It, can be by returning by opening valve The solution that closed tube generates desulfuration solution case and out of stock liquor box bottom recycles, and passes through the first feed opening and the second feed opening Supplement desulfuration solution and denitration solution in case desulfuration solution case and denitration liquor box.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the structure of desulfurization sieve plate 20 and denitration sieve plate 24 Identical, desulfurization sieve plate 20 and denitration sieve plate 24 include upper plate body 33 and lower body 34, are stayed between upper plate body 33 and lower body 34 There is gap, venthole 36 under multiple groups upper vent hole 35 and multiple groups is respectively arranged on upper plate body 33 and lower body 34, is led in multiple groups Stomata 35 is located at the surface of venthole 36 under multiple groups；Desulfuration solution and denitration the solution shape between upper plate body and lower body At moisture film, bubble is formed when flue gas being facilitated to pass through.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, venthole under multiple groups upper vent hole 35 and multiple groups 36 be up-small and down-big structure；Facilitate to form bubble, and prevents desulfuration solution and denitration solution from passing through upper vent hole and lower logical Stomata drippage.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, the top of desulfurization sieve plate 20 and denitration sieve plate 24 Right side is provided with solution collecting board 37, and solution collecting board 37 is in " dustpan " shape, and the right side of two groups of solution collecting boards 37 is defeated Outlet is connected with the input terminal of the first return pipe 16 and the second return pipe 17 respectively；It is convenient to desulfurization sieve plate by solution collecting board It is collected with the solution on the right side of denitration sieve plate top, and desulfuration solution is returned by the first return pipe and the second return line flow respectively In case and denitration liquor box.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, dedusting space, desulfurization space and denitration space It is inside provided with multiple groups homogenizing plate 38, multiple groups homogenizing plate 38 is located at right deflector 5, desulfurization sieve plate 20 and denitration sieve plate 24 Lower section；Guarantee that air-flow uniformly rises by homogenizing plate, prevents flue gas flow rate shakiness from causing the situation insufficient to fume treatment.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, dedusting are horizontally arranged with filter screen in space 39, filter screen 39 is located at the lower section of 2 input terminal of the first spray pump, and 27 one end far from first rotating shaft of the first paddle of multiple groups is all provided with Be equipped with connecting plate 40, and the side of first rotating shaft be provided with bristle 41 in connecting plate 40, the end of a part of bristle 41 with The bottom end of filter screen 39 is adjacent to；The impurity risen in flue gas can be filtered by filter screen, prevent gas from carrying impurity Rise, the partial impurities on filter screen are cleared up in the course of rotation by the bristle on connecting plate, avoids impurity will Filter screen blocking.

A kind of power generation station-service flue gas desulfurization and denitrification device of the utility model, at work, by gas wash tower, desulfurizing tower and Denitrating tower is integrated into a tower body, is directed into flue gas in dedusting space from blast pipe by air-introduced machine, passes through the first spray Pump pumps the water for being mixed with foaming agent in dedusting space into the first spray tube and the ejection that nebulizes, and clear water is on left deflector and the right side Form moisture film on deflector, flue gas by forming bubble after the venthole on left deflector and right deflector, increase in flue gas The contact area of impurity, to be dusted to flue gas, and by water mist flue gas is carried out it is inversely spraying, further to flue gas into Row dedusting improves the dust removing effects to flue gas, to improve the effect of subsequent desulfurization and denitration, improves use reliability, then Flue gas rises to desulfurization space, and the second spray pump pumps the desulfuration solution for being mixed with foaming agent in the second spray tube and from second Spray head nebulizes ejection, and desulfuration solution forms moisture film on desulfurization sieve plate, and flue gas forms bubble after passing through desulfurization sieve plate again, leads to It crosses desulfuration solution to react with the oxysulfide in flue gas, fall in after bubble splitting on desulfurization sieve plate and by the first return pipe It flows back into desulfuration solution case, then flue gas rises to denitration space, by the second spray pump that the denitration for being mixed with foaming agent is molten Liquid is pumped into third spray tube and is nebulized ejection from third spray head, moisture film is formed on denitration sieve plate, flue gas passes through denitration Bubble is formed after sieve plate again, is reacted by denitration solution and the nitrogen oxides in flue gas, denitration is fallen in after bubbles burst On sieve plate and from the second return line flow back off nitre liquor box, the clean gas by dedusting, desulfurization and denitration process is vented certainly Pipe discharge, occupied area is small, reduces investment, management and operating cost, improves practicability, drives the first stirring by first motor Leaf rotation stirs clear water and the flue gas being passed through in clear water, mixes flue gas with clear water ingredient, to remove a part of cigarette Impurity in gas, by the second motor drive the second paddle rotation in desulfuration solution case desulfuration solution and foaming agent carry out Stirring guarantees that desulfuration solution can effectively foam, and can make to flow back into the solution of desulfuration solution case the reaction was continued, goes sulphur removal Oxide drives the rotation of third paddle to stir denitration solution and foaming agent, guarantees denitration solution by third motor It can effectively foam, and the solution flow back into denitration liquor box can be made the reaction was continued, remove denitrification, open valve Door can be recycled by the solution that recovery tube generates desulfuration solution case and out of stock liquor box bottom, pass through the first charging Supplement desulfuration solution and denitration solution, desulfuration solution and denitration in mouth and the second feed opening case desulfuration solution case and denitration liquor box Solution forms moisture film between upper plate body and lower body, and flue gas is facilitated to form bubble when passing through, and passes through convenient pair of solution collecting board Solution on the right side of desulfurization sieve plate and denitration sieve plate top is collected, and is flowed back to respectively by the first return pipe and the second return pipe In desulfuration solution case and denitration liquor box, guarantees that air-flow uniformly rises by homogenizing plate, prevent flue gas flow rate shakiness from causing to cigarette The insufficient situation of gas disposal can be filtered the impurity risen in flue gas by filter screen, prevent gas from carrying impurity Rise, the partial impurities on filter screen are cleared up in the course of rotation by the bristle on connecting plate, avoids impurity will Filter screen blocking.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvements and modifications can also be made, these change It also should be regarded as the protection scope of the utility model into modification.

Claims (10)

1. a kind of power generation station-service flue gas desulfurization and denitrification device, which is characterized in that described including tower body (1) and the first spray pump (2) Tower body (1) is internally provided with working chamber, is divided into denitration space, desulfurization space and dedusting space in working chamber from top to down, removes The bottom in dirt space is equipped with clear water, is provided with the first spray tube (3), left deflector (4) and right deflector at the top of dedusting space (5), the left end of left deflector (4) is connect with the left side wall in dedusting space, the right end of left deflector (4) and the right side in dedusting space There are space between wall, the right deflector (5) is located at the lower section of left deflector (4), and the right end of right deflector (5) and dedusting are empty Between right side wall connection, there are spaces between the left end of right deflector (5) and the left side wall in dedusting space, and in left deflector (4) and on right deflector (5) it is provided with the first venthole of multiple groups (6), first spray tube (3) is located at left deflector (4) Top, and be provided with and communicated with first spray head (7) in the bottom end of the first spray tube (3), the left end bottom of tower body (1) be provided with The output end of the blast pipe (8) that dedusting space communicates, the blast pipe (8) stretches in clear water, and is arranged at blast pipe (8) Have air-introduced machine (9), the top of tower body (1) is provided with the air-exhausting duct (10) communicated with desulfurization space, and sets at air-exhausting duct (10) It is equipped with axial flow blower (11), first spray pump (2) is installed on the right end of tower body (1), and the input terminal of the first spray pump (2) is certainly The right end of tower body (1) is stretched in work dedusting space and is stretched in clear water, and the output end of the first spray pump (2) is from tower body (1) Right end stretch in dedusting space and be connected to the first spray tube (3)；It further include desulfuration solution case (12), denitration liquor box (13), the second spray pump (14), third spray pump (15), the first return pipe (16) and the second return pipe (17), the desulfurization are molten Liquid case (12) is internally provided with the first placed cavity, and the top of desulfuration solution case (12) is provided with the first feed opening, and first It is provided at feed opening the first door (18), the second spray tube (19) and desulfurization sieve plate (20) is provided in the desulfurization space, The left end of the desulfurization sieve plate (20) is connect with the left side wall in desulfurization space, the right end of desulfurization sieve plate (20) tilt down and with it is de- The right side wall in sulphur space connects, and second spray tube (19) is located at the top of desulfurization sieve plate (20), and in the second spray tube (19) bottom end is provided with and communicated with second spray head (21), and the input terminal of second spray pump (14) is from desulfurization liquor box (12) Top stretches in the first placed cavity, and the right end of output end from the tower body (1) of the second spray pump (14) stretches in desulfurization space And be connected to the second spray tube (19), the right end of one end from the tower body (1) of first return pipe (16) stretches to desulfurization space Top that is interior and being located at desulfurization sieve plate (20), the top of the other end from the desulfurization liquor box (12) of the first return pipe (16) stretches to First placed cavity is interior and extends to the bottom of the first placed cavity, and the denitration liquor box (13) is internally provided with the second placed cavity, The top of denitration liquor box (13) is provided with the second feed opening, and the second door (22) are provided at the second feed opening, described Third spray tube (23) and denitration sieve plate (24), the left end and denitration space of the denitration sieve plate (24) are provided in denitration space Left side wall connection, the right end of denitration sieve plate tilts down and connect with the right side wall in denitration space, the third spray tube (23) it is located at the top of denitration sieve plate (24), and is provided with and communicated with third spray head (25), institute in the bottom end of third spray tube (23) The top for stating input terminal from the denitration liquor box (13) of third spray pump (15) stretches in the second placed cavity, third spray pump (15) right end of output end from tower body (1) is stretched in denitration space and is connected to third spray tube (23), described second time The right end of one end of flow tube (17) from tower body (1) stretches in denitration space and is located at the top of denitration sieve plate (24), and second time The top of the other end of flow tube (17) from denitration liquor box (13) stretches in the second placed cavity and extends to the bottom of the second placed cavity Portion.

2. a kind of power generation station-service flue gas desulfurization and denitrification device as described in claim 1, which is characterized in that further include first motor (26), it is provided with mounting groove on the right side wall in the dedusting space, and is fixedly installed with ball bearing in mounting groove, described One motor (26) is installed on the left end bottom of tower body (1), and the right side output end of first motor (26) is provided with first rotating shaft, The left end of the right end of the first rotating shaft from tower body (1) stretches in dedusting space and is inserted into inside ball bearing, and It is provided in one shaft the first paddle (27), first paddle (27) is located in dedusting space.

3. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 2, which is characterized in that further include the second motor (28), second motor (28) is installed on the top of desulfuration solution case (12), and in the bottom output end of the second motor (28) It is provided with the second shaft, the top of bottom end from the desulfurization liquor box (12) of second shaft stretches in the first placed cavity, and It is provided in the second shaft the second paddle (29), second paddle (29) is located in the first placed cavity.

4. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 3, which is characterized in that further include third motor (30), the third motor (30) is installed on the top of denitration liquor box (13), and in the bottom output end of third motor (30) It is provided with third shaft, the top of bottom end from the denitration liquor box (13) of the third shaft stretches in the second placed cavity, and It is provided in third shaft third paddle (31), the third paddle (31) is located in the second placed cavity.

5. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 4, which is characterized in that the desulfuration solution case (12) it is provided with recovery tube (32) with the right end bottom of denitration liquor box, and is provided with valve at two groups of recovery tubes (32) Door.

6. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 5, which is characterized in that the desulfurization sieve plate (20) identical with the structure of denitration sieve plate (24), desulfurization sieve plate (20) and denitration sieve plate (24) include upper plate body (33) and lower plate Body (34) is set on upper plate body (33) and lower body (34) respectively there are gap between the upper plate body (33) and lower body (34) It is equipped with venthole (36) under multiple groups upper vent hole (35) and multiple groups, the multiple groups upper vent hole (35), which is located under multiple groups, to be ventilated The surface in hole (36).

7. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 6, which is characterized in that ventilate in the multiple groups Venthole (36) is up-small and down-big structure under hole (35) and multiple groups.

8. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 7, which is characterized in that the desulfurization sieve plate (20) and on the right side of the top of denitration sieve plate (24) it is provided with solution collecting board (37), the solution collecting board (37) is at " dustpan " Shape, and the right side output end of solution collecting board (37) described in two groups respectively with the first return pipe (16) and the second return pipe (17) Input terminal be connected.

9. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 8, which is characterized in that the dedusting space, It is provided in desulfurization space and denitration space multiple groups homogenizing plate (38), the multiple groups homogenizing plate (38) is located at right deflector (5), the lower section of desulfurization sieve plate (20) and denitration sieve plate (24).

10. a kind of power generation station-service flue gas desulfurization and denitrification device as claimed in claim 9, which is characterized in that the dedusting space It is inside horizontally arranged with filter screen (39), the filter screen (39) is located at the lower section of the first spray pump (2) input terminal, the multiple groups One paddle (27) is provided with connecting plate (40) far from one end of first rotating shaft, and in connecting plate (40) backwards to first rotating shaft Side is provided with bristle (41), and the end of a part of bristle (41) and the bottom end of filter screen (39) are adjacent to.