CN208943818U - A kind of zero water consume wet desulphurization device - Google Patents

Abstract

This application discloses a kind of zero water consume wet desulphurization devices, including desulfurizing tower, it is sequentially distributed in desulfurizing tower and is provided at least one layer of desulfurization spraying layer, cooling hydrops layer, cooling spraying layer, mist eliminator flushing layer, demister dehydration layer, coagulating basin, conditioning tank, cooling clarification tower, clear water reserviors, cooling spray pump are provided with outside desulfurizing tower, the decentralization of desulfurization spraying layer is provided with slurry pool in desulfurizing tower, smoke inlet is provided in desulfurizing tower tower wall between slurry pool and desulfurization spraying layer, the top side of desulfurizing tower is equipped with smoke outlet.The application is by condensing flue gas after desulfurization, cooling down, receive water, and treatment for reuse is carried out to recycling moisture, realize zero water consume of desulphurization system, it is quenched by being carried out to circulating condensing liquid simultaneously, circulation fluid is improved to the processing capacity of sour gas, it realizes multi-pollutant depth deep purifying, and reaches near-zero release, it is horizontal that the collaboration improvement of high-humidity gas fume multi-pollutant greatly improved.

Description

A kind of zero water consume wet desulphurization device

Technical field

The utility model relates to a kind of chemical industry and environmental technology field, especially a kind of zero water consume wet desulphurization device.

Background technique

Coal fired power generation is the main forms of electricity generation in China, and so far, it is total that coal fired power generation installed capacity accounts for China's generator installation The 59% of capacity, coal-burning power plant's generated energy account for the 67.9% of national total power generation, 11.5 hundred million t of coal fired power generation quota of expenditure coal, about Account for national consumption of coal total amount 42%.As water consumption big power consumer, huge water resource, energy consumption become coal fired power plant The emphasis of energy-saving and emission-reduction.The water-saving problem that generates electricity clearly is proposed in China's 2005-the year two thousand twenty electric power development planning, it is necessary to Power develops the water-saving flue gas polution control in suitable for shortage of water resources 5012017 years the 5th phase clean coal technology areas of volume 23 Technology；In addition, industrial water cost is stepped up, 2012, country revised water catchment ration standard, and it is fixed that thermal power generation is fetched water Volume lowered 30% or more on the basis of 2002；In April, 2015, China have put into effect " water prevention and cure of pollution action plan " (referred to as " ten, water "), proposes stringent water prevention and cure of pollution target, and coal-burning power plant is faced with huge water-saving and emission-reducing pressure, and Largely in western producing coal water-deficient area, water-saving consumption-reduction is in urgent need, cost-effective water-saving for newly-built coal unit addressing in China Reducing Consumption Measure will be significant to China's built environment friendly, conservation-minded society.How desulfurization after water vapour is reduced Discharge, is one of the emphasis direction of coal-burning power plant's water-saving consumption-reduction.

Meanwhile it being discharged in the form of steam state through chimney in desulfurization outlet wet flue gas still containing a large amount of misty steam.Premenstruum (premenstrua) After gypsum rain is administered, though these steams containing sour water will not nearby be fallen in the form of drop (gypsum) rain, these are with higher The steam of acidity still can objectively generate certain pollution to atmosphere, and the visual effect of white plume can also cause the public Misread.How effectively to dehumidify to wet-method desulfurized fume and recycles moisture simultaneously, reduction power plant's water consume and flue gas loss, and from basic Upper solution chimney corrosion and " white cigarette " phenomenon, are another focus on research direction of Desulphurization for Coal-fired Power Plant system.

Summary of the invention

The purpose of this utility model is exactly that it is de- to provide a kind of zero water consume wet process in order to solve the shortcoming in background technique Sulphur device realizes in flue gas under the premise of multi-pollutant deep purifying, can moisture effectively in recovered flue gas, water after processing Divide and can satisfy desulphurization system water, realizes zero water consume of wet desulfurization system.

In order to achieve the above objectives, the utility model adopts the following technical solution: a kind of zero water consume wet desulphurization device, including Desulfurizing tower is sequentially distributed in desulfurizing tower from bottom to up and is provided at least one layer of desulfurization spraying layer, cooling hydrops layer, cooling spray Layer, mist eliminator flushing layer, demister are dehydrated layer, and coagulating basin, conditioning tank, cooling clarification tower, clear water reserviors, drop are provided with outside desulfurizing tower Warm spray pump, the decentralization of desulfurization spraying layer is provided with slurry pool, the desulfurizing tower tower between slurry pool and desulfurization spraying layer in desulfurizing tower Smoke inlet is provided on wall, the top side of desulfurizing tower is equipped with smoke outlet, and cooling hydrops layer is connected to company with coagulating basin by pipeline It connects, coagulating basin bottom side is connected to connection with conditioning tank bottom side, and coagulant is provided with above coagulating basin and launches pipeline, is adjusted It is provided with lye above section pond and launches pipeline, conditioning tank upper end side is connected to by pipeline with the water inlet of cooling clarification tower Connect, the water outlet of cooling clarification tower discharge is connected to clear water reserviors by the road, the pump mouth of the cooling spray pump by pipeline and The connection connection of clear water bottom of pond portion, the water outlet for the spray pump that cools down, which is respectively communicated with, is connected to cooling spraying layer, mist eliminator flushing layer.

A kind of optimization for the utility model, the cooling clarification tower include tower body, water distribution pipe road, overflow water outlet Pipe, settling zone, packing layer, sludge discharge line, tower body middle part are provided with packing layer, and the lower section of packing layer is as precipitating in tower body Area is equipped with water distribution pipe road in settling zone, and conditioning tank upper end side is connected to connection with water distribution pipe road by pipeline, precipitating Area bottom is funnel-shaped, and tower body bottom is externally provided with the sludge discharge line that connection is connected to settling zone, in tower body above packing layer As clear liquid area, it is equipped with overflow outlet pipe in clear liquid area, and overflow outlet pipe discharges be connected to clear water reserviors by the road.

A kind of optimization for the utility model, the water outlet for the spray pump that cools down supply water with slurrying pond be connected to by the road It connects, desulfurization spraying layer water inlet pumps out the mouth of a river with the desulfurization of desulfurizing tower side and is connected to connection, desulfurization pump water inlet mouth and desulfurizing tower bottom The slurry pool bottom end in portion is connected to connection.

A kind of optimization for the utility model, demister dehydration layer be provided with including the big partial size drop demister of bottom and Top layer small particle size droplets demister.

A kind of optimization for the utility model, described filler layer use inclined tube filler, and inclined tube is regular hexagon, and diameter is 20mm-50mm；Spacing between water distribution pipe road and packing layer bottom end is 0.5m-1.5m, overflow outlet pipe and packing layer top Spacing between end is 0.5m-1.5m.

A kind of optimization for the utility model, mist eliminator flushing layer are made of atomizer and connecting pipe, demister The spacing rinsed between the upper end of layer and demister dehydration layer low side is 0.1m-1m.

A kind of sulfur removal technology of zero water consume wet desulphurization device, comprises the technical steps that:

After former flue gas enters desulfurizing tower 1, reverse haptoreaction is carried out with the doctor solution that desulfurization spraying layer 2 sprays, removing is former Sour gas and the dust particle such as major part SO2, HF, HCl in flue gas, flue gas cool-down is to 50 DEG C -60 DEG C and reaches saturation；

High humidity is full after desulfurization closes flue gas upwards after hydrops layer 3, and the condensate liquid sprayed with cooling spraying layer 4 is inversely connect Touching heat exchange, flue-gas temperature drops to 30 DEG C -45 DEG C, the most of vapor and remaining acid gas in flue gas with slurries droplet, Soluble-salt droplet, ultrafine dust particulate matter are that the nuclei of condensation are condensed into liquid droplet；

The flue gas for completing cooling condensation continues up flowing and is successively dehydrated layer 6 through mist eliminator flushing layer 5, demister, is removing Day with fog, which rinses in layer 5, further to cool down to flue gas by the ultra-fine cryogenic liquid that high pressure atomizing nozzle sprays, is collided, and completes The condensation droplet of increase enters hydrops layer 3, and the ultra-fine droplet for not completing collision enters demister dehydration layer 6, and fine mist is being removed Day with fog surface collision is enriched with to form moisture film, falls under gravity into hydrops layer 3, realizes that flue gas is received water and contaminant trapping, gone It removes；Flue gas is discharged after two-stage demister dehydration layer 6 dehydrates by exhaust pass, while it is white to realize that tail gas disappears；

The circulation fluid for completing condensing heat-exchange is discharged into coagulating basin 9 by hydrops layer 3 by the road, and coagulant launches pipeline by coagulant 7 send to coagulating basin 9 to circulation fluid progress coagulating, and the circulation fluid for completing coagulation enters conditioning tank 10 by bottom, and lye is by alkali Liquid is launched pipeline 8 and is sent to conditioning tank 10, and circulation fluid pH value is adjusted to 6.0-9.0；It completes the quenched circulation fluid of coagulation and enters drop Temperature clarification tower 11 is clarified, is cooled down, and clarified solution is spare to clear water reserviors 12 by top overflow；A part of clarified solution is sprayed by cooling Pump 13 send to cooling spraying layer 4 and mist eliminator flushing layer 5 and is recycled as coolant liquid, and another part send to slurrying pond to be used as and starch Liquid water realizes zero water consume of desulphurization system.

A kind of optimization for the utility model, the liquid-gas ratio of cooling spraying layer circulation fluid are 0.5 L/Nm3-3L/Nm3, Spraying layer coverage rate is 200%-400%, and gas-liquid contact time 0.1s-2s, flue gas cool-down amplitude is 5 DEG C -20 DEG C.

A kind of optimization for the utility model, the standby pressure of the ultra-fine atomization spray nozzle of mist eliminator flushing spraying layer is 0.08 MPa-0.20MPa, flushing liquid-gas ratio are 0.001L/Nm3-0.5L/Nm3, and flue gas cool-down amplitude is 0.5 DEG C -5 DEG C.

The additive amount of a kind of optimization for the utility model, coagulant is 1g/L-10g/L, and circulation fluid is in coagulating basin Residence time is 10min-30min；Circulation fluid is 10min-30min in the residence time of conditioning tank, and water outlet pH is 6.0-9.0.

The utility model is compared with the background art, comprising:

1) a kind of solution of desulfidation tail gas deep purifying is provided, utility model is directly condensed using circulating cooling liquid Mode cool down to flue gas, handled by being condensed, being cooled down, being received water to flue gas after desulfurization, and to recycling moisture Zero water consume of desulphurization system is realized in reuse, while quenched by carrying out to circulating condensing liquid, improves circulation fluid to the place of sour gas Capacity is managed, realizes multi-pollutant depth deep purifying, and reach near-zero release, the collaboration of high-humidity gas fume multi-pollutant greatly improved and control Reason is horizontal；

2) a kind of effective solution for condensing water process is provided, is adjusted by coagulation, pH, precipitation and separation, recycles cigarette Clean water resources in gas reduce condensation water process and enterprise water use cost, alleviate water resources crisis.

3) a kind of solution of zero water consume of wet desulphurization device is provided, the processing and classification benefit to condensate liquid are passed through With condensed water is met demister water and slurries water, realizes that wet desulphurization device does not need supplement process water, is greatly reduced The operating cost of wet desulphurization device.

Detailed description of the invention

Attached drawing is used to provide a further understanding of the present invention, and constitutes part of specification, practical with this Novel embodiment is used to explain the utility model together, does not constitute limitations of the present invention.In the accompanying drawings:

Fig. 1 be the utility model proposes zero water consume wet desulphurization device of one kind structural schematic diagram；

Fig. 2 be the utility model proposes zero water consume wet desulphurization device of one kind in cooling clarify tower structural schematic diagram.

In figure: 1- desulfurizing tower, 101- slurry pool, 102- smoke inlet, 103- smoke outlet, 2- desulfurization spraying layer, 21- desulfurization Pump, 3- cooling hydrops layer, 4- cooling spraying layer, 5- mist eliminator flushing layer, 6- demister are dehydrated layer, the big partial size drop of 60- bottom Demister, 61- top layer small particle size droplets demister, 7- coagulant launch pipeline, 8- lye launches pipeline, 9- coagulating basin, 10- tune Save pond, 11- cooling clarification tower, 110- tower body, the clear liquid area 111-, 112- water distribution pipe road, 113- overflow outlet pipe, 114- Settling zone, 115- packing layer, 116- sludge discharge line, 12- clear water reserviors, 13- cooling spray pump, 130- pump mouth, 131- go out The mouth of a river.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig.1-2, a kind of zero water consume wet desulphurization device is sequentially distributed in desulfurizing tower 1 from bottom to up and is provided at least One layer of desulfurization spraying layer 2, cooling hydrops layer 3, cooling spraying layer 4, mist eliminator flushing layer 5, demister are dehydrated layer 6, outside desulfurizing tower 1 It is provided with coagulating basin 9, conditioning tank 10, cooling clarification tower 11, clear water reserviors 12, cooling spray pump 13, desulfurization spraying layer in desulfurizing tower 1 2 decentralizations are provided with slurry pool 101, are provided with smoke inlet in 1 tower wall of desulfurizing tower between slurry pool 101 and desulfurization spraying layer 2 102, the top side of desulfurizing tower 1 is equipped with smoke outlet 103, and cooling hydrops layer 3 is connected to connection, coagulation with coagulating basin 9 by pipeline 9 bottom side of pond is connected to connection with 10 bottom side of conditioning tank, and the top of coagulating basin 9 is provided with coagulant and launches pipeline 7, adjusts The top in section pond 10 is provided with lye and launches pipeline 8, and conditioning tank 10 upper end side enters water by pipeline and cooling clarification tower 11 Mouth connection connection, the water outlet of cooling clarification tower 11 discharges by the road is connected to clear water reserviors 12, the pump mouth of cooling spray pump 13 130 are connected to connection with 12 bottom of clear water reserviors by pipeline, and the water outlet 131 of cooling spray pump 13, which is respectively communicated with, is connected to cooling spray Drenching layer 4, mist eliminator flushing layer 5.Cooling clarification tower 11 includes tower body 110, water distribution pipe road 112, overflow outlet pipe 113, sinks Shallow lake area 114, packing layer 115, sludge discharge line 116 are provided with packing layer 115, packing layer in tower body 110 in the middle part of tower body 110 115 lower section is as settling zone 114, and settling zone 114 is interior to be equipped with water distribution pipe road 112, and 10 upper end side of conditioning tank passes through pipe Road is connected to connection with water distribution pipe road 112, and 114 bottom of settling zone is funnel-shaped, and 110 bottom of tower body is externally provided with and settling zone 114 are connected to the sludge discharge line 116 of connection, are used as clear liquid area 111 in tower body above packing layer 115, set in clear liquid area 111 There is overflow outlet pipe 113, and overflow outlet pipe 113 discharges be connected to clear water reserviors 12 by the road；The water outlet of cooling spray pump 13 131 supply water with slurrying pond by the road is connected to connection, gasifies in the cooling supplement slurry pool 101 of spray pump 13 because of temperature raising Water, 2 spraying layer water inlet of desulfurization spraying layer pump 21 water outlets with the desulfurization of 1 side of desulfurizing tower and are connected to connection, 21 water inlet of desulfurization pump Mouth is connected to connection with 101 bottom end of slurry pool of 1 bottom of desulfurizing tower；Demister dehydration layer 6 is provided with including the big partial size drop of bottom Demister 60 and top layer small particle size droplets demister 61；Packing layer 115 uses inclined tube filler, and inclined tube is regular hexagon, and diameter is 20mm-50mm；Spacing between 115 bottom end of water distribution pipe road 112 and packing layer is 0.5m-1.5m, overflow outlet pipe 113 with Spacing between 115 top of packing layer is 0.5m-1.5m；Mist eliminator flushing layer 5 is made of atomizer and connecting pipe, Spacing between the upper end of mist eliminator flushing layer 5 and demister dehydration 6 low side of layer is 0.1m-1m.

Desulfurization spraying layer 2: it is made of desulfurization slurry spray main pipe with several spray atomizing nozzles, desulfurization slurry is followed by desulfurization After ring is pumped to desulfurization spraying layer, droplet is atomized by desulfurization spraying layer and inversely contacts washing with former flue gas progress, removes smoke abatement The sour gas such as SO2, HF, HCl in gas.

Cooling hydrops layer 3: being made of the identical U-shaped of several interlamellar spacings or V-shaped groove, for recycle complete to condense, coalescence Condensate liquid realizes the layered shaping of condensate liquid and desulfurization slurry.

Cooling spraying layer 4: being made of cooling spray liquid main pipe and several atomizers, and atomizer is evenly arranged to be cut with tower On face.Condensate liquid is pumped to cooling spraying layer by condensate circulation, carries out cooling condensation to high-humidity gas fume after being atomized.

Mist eliminator flushing layer 5: being made of mist eliminator flushing jellyfish pipe and several atomizers, and atomizer can be spiral Nozzle or solid nozzle, nozzle be evenly arranged on tower section.

Embodiment 2: referring to Fig.1.A kind of sulfur removal technology of zero water consume wet desulphurization device, comprises the technical steps that:

After former flue gas enters desulfurizing tower 1, reverse haptoreaction is carried out with the doctor solution that desulfurization spraying layer 2 sprays, removing is former Sour gas and the dust particle such as major part SO2, HF, HCl in flue gas, flue gas cool-down is to 50 DEG C -60 DEG C and reaches saturation；

High humidity is full after desulfurization closes flue gas upwards after hydrops layer 3, and the condensate liquid sprayed with cooling spraying layer 4 is inversely connect Touching heat exchange, flue-gas temperature drops to 30 DEG C -45 DEG C, the most of vapor and remaining acid gas in flue gas with slurries droplet, Soluble-salt droplet, ultrafine dust particulate matter are that the nuclei of condensation are condensed into liquid droplet；The flue gas for completing cooling condensation continues up Flowing is successively dehydrated layer 6 through mist eliminator flushing layer 5, demister, is surpassed in mist eliminator flushing layer 5 by what high pressure atomizing nozzle sprayed Thin cryogenic liquid further cools down to flue gas, is collided, and the condensation droplet for completing to increase enters hydrops layer 3, does not complete and touches The ultra-fine droplet hit enters demister dehydration layer 6, and fine mist is enriched with to form moisture film in demister surface collision, in gravity Under fall into hydrops layer 3, realize that flue gas receives water and contaminant trapping, removal；Flue gas is dehydrated by two-stage demister dehydration layer 6 It is discharged afterwards by exhaust pass, while it is white to realize that tail gas disappears；

The circulation fluid for completing condensing heat-exchange is discharged into coagulating basin 9 by hydrops layer 3 by the road, and coagulant launches pipeline by coagulant 7 send to coagulating basin 9 to circulation fluid progress coagulating, and the circulation fluid for completing coagulation enters conditioning tank 10 by bottom, and lye is by alkali Liquid is launched pipeline 8 and is sent to conditioning tank 10, and circulation fluid pH value is adjusted to 6.0-9.0；It completes the quenched circulation fluid of coagulation and enters drop Temperature clarification tower 11 is clarified, is cooled down, and clarified solution is spare to clear water reserviors 12 by top overflow；A part of clarified solution is sprayed by cooling Pump 13 send to cooling spraying layer 4 and mist eliminator flushing layer 5 and is recycled as coolant liquid, and another part send to slurry pool to be used as and starch Liquid water realizes zero water consume of desulphurization system.

The liquid-gas ratio of cooling 4 circulation fluid of spraying layer is 0.5L/Nm3-3L/Nm3, and spraying layer coverage rate is 200%- 400%, gas-liquid contact time 0.1s-2s, flue gas cool-down amplitude are 5 DEG C -20 DEG C；The ultra-fine atomization spray nozzle of mist eliminator flushing layer 5 Standby pressure is 0.08MPa-0.20MPa, and flushing liquid-gas ratio is 0.001 L/Nm3-0.5L/Nm3, and flue gas cool-down amplitude is 0.5 DEG C -5 ℃；The additive amount of coagulant is 1g/L-10g/L, and circulation fluid is 10min-30min in the residence time of coagulating basin 9；Circulation fluid exists The residence time of conditioning tank 10 is 10min-30min, and water outlet pH is 6.0-9.0.

Doctor solution is the substance for removing sulfur dioxide in flue gas, is the harmless alkali such as lime stone, lime, lye and ammonium hydroxide Property liquid.

Embodiment 3:

Certain thermoelectricity unit, 1 300WM units gas desulfurization improvement project use this technique, SO2 concentration in inlet flue gas For 2338mg/m3, dust concentration is 28mg/m3 in inlet flue gas, and the liquid-gas ratio of cooling spraying layer circulation fluid is 3L/Nm3, spray Layer coverage rate is 300%, gas-liquid contact time 1.3s, and flue gas cool-down amplitude is 15 DEG C；The standby pressure of mist eliminator flushing layer nozzle is 0.20MPa, flushing liquid-gas ratio are 0.5L/Nm3, and flue gas cool-down amplitude is 3.2 DEG C；Being discharged pH is 8.2；Packing layer settling zone is oblique Tube packing, diameter 35mm, entrance water distributor flow velocity are 0.2m/s, and entrance water distributor is 0.9m, top apart from packing layer bottom Outlet pipeline is 1.1m at the top of packing layer, and the vertical flow velocity of precipitation zone is 0.2mm/s.SO2 concentration is in exiting flue gas 3.3mg/m3, dust concentration is 0.7mg/m3 in exiting flue gas, and desulphurization system realizes zero water consume without supplementing process water.

Embodiment 4:

Certain thermoelectricity unit, 1 135WM units gas desulfurization improvement project use this technique, and SO2 concentration is in inlet flue gas 1879mg/m3, dust concentration is 22mg/m3 in inlet flue gas, and the liquid-gas ratio of cooling spraying layer circulation fluid is 2.8L/Nm3, spray Layer coverage rate is 300%, gas-liquid contact time 1.2s, and flue gas cool-down amplitude is 17 DEG C；The standby pressure of mist eliminator flushing layer nozzle is 0.20MPa, flushing liquid-gas ratio are 0.6L/Nm3, and flue gas cool-down amplitude is 2.7 DEG C；Being discharged pH is 8.5；Packing layer settling zone is oblique Tube packing, diameter 35mm, entrance water distributor flow velocity are 0.2m/s, and entrance water distributor is 0.8m, top apart from packing layer bottom Outlet pipeline is 1.0m at the top of packing layer, and the vertical flow velocity of precipitation zone is 0.2mm/s.SO2 concentration is in exiting flue gas 7.1mg/m3, dust concentration is 0.8mg/m3 in exiting flue gas, and desulphurization system realizes zero water consume without supplementing process water.

Place is not described in detail for the utility model, is the well-known technique of those skilled in the art.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of zero water consume wet desulphurization device, including desulfurizing tower (1), it is characterized in that: successively dividing from bottom to up in desulfurizing tower (1) Cloth is provided at least one layer of desulfurization spraying layer (2), cooling hydrops layer (3), cooling spraying layer (4), mist eliminator flushing layer (5), removes Day with fog is dehydrated layer (6), and coagulating basin (9), conditioning tank (10), cooling clarification tower (11), clear water reserviors are provided with outside desulfurizing tower (1) (12), cool down spray pump (13), interior desulfurization spraying layer (2) decentralization of desulfurizing tower (1) is provided with slurry pool (101), slurry pool (101) It is provided with smoke inlet (102) in desulfurizing tower (1) tower wall between desulfurization spraying layer (2), the top side of desulfurizing tower (1) is equipped with Smoke outlet (103), cooling hydrops layer (3) are connected to connection, coagulating basin (9) bottom side and adjusting with coagulating basin (9) by pipeline The connection connection of pond (10) bottom side, coagulant is provided with above coagulating basin (9) and launches pipeline (7), conditioning tank (10) it is upper Side is provided with lye and launches pipeline (8), and conditioning tank (10) upper end side is connected by pipeline and the water inlet of cooling clarification tower (11) Lead to and connect, the water outlet of cooling clarification tower (11) discharges by the road to be connected to clear water reserviors (12), cooling spray pump (13) Pump mouth (130) is connected to connection with clear water reserviors (12) bottom by pipeline, and the water outlet (131) of cooling spray pump (13) connects respectively Lead to and is connected to cooling spraying layer (4), mist eliminator flushing layer (5).

2. zero water consume wet desulphurization device according to claim 1, it is characterized in that: cooling clarification tower (11) includes tower Body (110), water distribution pipe road (112), overflow outlet pipe (113), settling zone (114), packing layer (115), sludge discharge pipe Road (116), tower body (110) middle part are provided with packing layer (115), and the lower section of packing layer (115) is as settling zone (114), precipitating Water distribution pipe road (112) are equipped in area (114), conditioning tank (10) upper end side passes through pipeline and cooling clarification tower (11) water inlet Water distribution pipeline (112) connection connection, settling zone (114) bottom is funnel-shaped, and tower body (110) bottom is externally provided with and settling zone (114) it is connected to the sludge discharge line (116) of connection, is used as clear liquid area (111) above packing layer (115) in tower body, clear liquid area (111) overflow outlet pipe (113) are equipped in, and overflow outlet pipe (113) discharges be connected to clear water reserviors (12) by the road.

3. zero water consume wet desulphurization device according to claim 1, it is characterized in that: the water outlet of cooling spray pump (13) (131) it supplies water by the road with cooling spraying layer (4), mist eliminator flushing layer (5) and slurrying pond and is connected to connection, desulfurization spraying layer (2) Water inlet is connected to connection with the desulfurization of desulfurizing tower (1) side pump (21) water outlet, and desulfurization pumps (21) water inlet and desulfurizing tower (1) bottom Slurry pool (101) bottom end in portion is connected to connection.

4. zero water consume wet desulphurization device according to claim 1, it is characterized in that: demister dehydration layer (6) is provided with packet Include the big partial size drop demister (60) of bottom and top layer small particle size droplets demister (61).

5. zero water consume wet desulphurization device according to claim 2, it is characterized in that: described filler layer (115) uses inclined tube Filler, inclined tube are regular hexagon, diameter 20mm-50mm；Between water distribution pipe road (112) and packing layer (115) bottom end Spacing is 0.5m-1.5m, and the spacing between overflow outlet pipe (113) and packing layer (115) top is 0.5m-1.5m.

6. zero water consume wet desulphurization device according to claim 2, it is characterized in that: mist eliminator flushing layer (5) is sprayed by atomization Mouth and connecting pipe composition, the spacing between the upper end of mist eliminator flushing layer (5) and demister dehydration layer (6) low side is 0.1m- 1m。