CN104208996A - Desulfurizing and dedusting apparatus - Google Patents
Desulfurizing and dedusting apparatus Download PDFInfo
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- CN104208996A CN104208996A CN201410266945.8A CN201410266945A CN104208996A CN 104208996 A CN104208996 A CN 104208996A CN 201410266945 A CN201410266945 A CN 201410266945A CN 104208996 A CN104208996 A CN 104208996A
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Abstract
The invention discloses a desulfurizing and dedusting apparatus. The apparatus comprises a desulfurizing tower body, and also comprises a wet electric dedusting device connected with the desulfurizing tower body, the top of the desulfurizing tower body is connected with the bottom of the wet dedusting device, the connection is provided with a gas-liquid separating mechanism, desulfurized flue gas from the desulfurizing tower body goes through the gas-liquid separating mechanism and then flows to the wet electric dedusting device, and flushing water flowing out of the wet electric dedusting device flows out through the gas-liquid separating mechanism. The apparatus organically containing the desulfurizing tower body with the wet electric dedusting device makes fire coal flue gas thoroughly dedusted, combines the respective advantages of the wet flue gas desulfurizing device with the wet electric dedusting device, can efficiently remove SO2 and SO3 acid mist, PM2.5 and fine flue dust, water mist and gypsum droplets of below PM10 under large flue gas amount and high flue gas flow, and realizes clean emission. The above integral design saves the occupied area of the apparatus, reduces auxiliary systems, is convenient to install and use, effectively reduces the investment and running maintenance cost, and improves the dedusting efficiency.
Description
Technical field
The present invention relates to a kind of flue gas purifying equipment, particularly a kind of desulfation dust-extraction device.
Background technology
According to " fossil-fuel power plant atmospheric pollutant emission standard " of country's issuing and implementation at present, coal-burning power plant's discharge dust concentration is less demanding in 30mg/Nm
3, key area is not higher than 20mg/Nm
3.Flue dust in flue gas is the main source of PM2.5 fine particle in air, its very harmful to health, is the carcinogenic main contributor of air.The flue gas desulfurization purification of coal-burning power plant of current China extensively adopts Wet Flue Gas Desulfurization Technology (WFGD), and this technology can remove the SO in flue gas
2with a small amount of flue dust and droplet, but it is difficult to SO in smoke treatment
3the fine flue dust of acid mist, PM2.5 and below PM10, the flue dust carried in flue gas and drop discharge can cause severe contamination to environment to power plant and periphery thereof.
Along with being on the increase of China's coal-fired flue-gas discharge capacity, the pollution problem of fine flue dust highlights day by day.Wet electrical dust precipitator is as fine particle, SO in flue gas
3the accurate process equipment of acid mist and aerosol etc., effectively can control the discharge of these pollutants, and it has become the focus of attention in coal-fired plant flue gas improvement.Wet electrical dust precipitator can be divided into tubular type and plate-type dedusting device according to electrode form difference, and its arrangement is different and be divided into hori-zontal flue gas to spread putting and spread with vertical flue gas the wet electrical dust precipitator put with flue gas flow direction.Though various wet electrical dust precipitator is fine flue dust, SO in smoke treatment
3acid mist and aerosol have certain effect, but existing wet electrical dust precipitator still needs under the large exhaust gas volumn in coal-burning power plant, high flue gas flow rate, and solution efficiency of dust collection is low, equipment is complicated and maintenance is large, construction and installation are difficult, service life is short, high in cost of production problem.
Therefore, just need a kind of desulfation dust-extraction device, make it in conjunction with the advantage of wet flue gas desulfurizer and wet electrical dust precipitator, under the operating mode of large exhaust gas volumn, high flue gas flow rate, efficiently can remove the SO in flue gas
2and SO
3the fine flue dust of acid mist, PM2.5 and below PM10, water smoke, gypsum droplet, realize clean emission, and saveall floor space and minimizing accessory system, be convenient to install and use, effectively reduce investment and operation expense, improve efficiency of dust collection.
Summary of the invention
In view of this, the object of the present invention is to provide a kind of desulfation dust-extraction device, combine the advantage of wet flue gas desulfurizer and wet electrical dust precipitator, under the operating mode of large exhaust gas volumn, high flue gas flow rate, efficiently can remove the SO in flue gas
2and SO
3the fine flue dust of acid mist, PM2.5 and below PM10, water smoke, gypsum droplet, realize clean emission, and saveall floor space and minimizing accessory system, be convenient to install and use, effectively reduce investment and operation expense, improve efficiency of dust collection.
Desulfation dust-extraction device of the present invention, comprise desulfurizing tower body, also comprise the wet electrical dust precipitator be connected with described desulfurizing tower body, the described top of desulfurizing tower body is connected with the bottom of wet electrical dust precipitator and is provided with gas-liquid separation mechanism in junction, flow to wet electrical dust precipitator from the flue gas after the desulfurization of described desulfurizing tower body by gas-liquid separation mechanism, the flushing water flowed down from described wet electrical dust precipitator is flowed out by gas-liquid separation mechanism.
Further, described gas-liquid separation mechanism comprises base plate, gear pipe and gas cap, described base plate is provided with pore I and delivery port, described gear pipe hollow and its bottom cover described pore I, top is connected with described gas cap, described gas cap is tapered and lower than the top of described gear pipe bottom it, described gear pipe sidewall has gas outlet, flow to wet electrical dust precipitator by described pore I and gas outlet successively from the flue gas after the desulfurization of described desulfurizing tower body, the flushing water flowed down from described wet electrical dust precipitator is stopped by described gas cap and is flowed out by described delivery port.
Further, be provided with flue gas distributor above described gas-liquid separation mechanism, described flue gas distributor is fixed on the inwall of described wet electrical dust precipitator, and described flue gas distributor is evenly provided with the pore II passed through for flue gas.
Further, described desulfurizing tower body comprises the housing I being provided with gas approach, the limestone slurry liquid pool being arranged at housing I inner chamber bottom and lime stone slurry circulated sprinkling system, oxidation air pipeline and at least one agitator is provided with in described limestone slurry liquid pool, described oxidation air pipeline is connected with oxidation fan, described agitator is connected with stirring motor, and agitator described at least one is positioned at the top of oxidation air pipeline.
Further, described lime stone slurry circulated sprinkling system comprises the circulating pump be communicated with limestone slurry liquid pool and the spray piping stretching into housing I inner chamber top be communicated with circulating pump.
Further, demister is provided with between described spray piping and gas-liquid separation mechanism.
Further, described wet electrical dust precipitator comprises housing II, is fixed on the dust collecting electrode in described housing II and the discharge electrode longitudinally through described dust collecting electrode, described discharge electrode comprises electrode tube and is connected to the electric discharge video disc on described electrode tube, described electric discharge video disc composition video disc group, described video disc group is made up of video disc group I and video disc group II, described video disc group I is located at the one end near described gas-liquid separation mechanism, and the video disc distribution density I of described video disc group I is greater than the video disc distribution density II of described video disc group II.
Further, the distance I between the adjacent described electric discharge video disc of described video disc group I is equal, and the distance II between the adjacent described electric discharge video disc of described video disc group II is equal; Described distance II is not less than the twice of described distance I, and described distance II is not more than three times of described distance I.
Further, described wet electrical dust precipitator also comprises the discharge electrode fixed frame be connected with the upper end of described discharge electrode, under described discharge electrode fixed frame is suspended in insulator by suspension rod, the discharge electrode brace summer that described discharge electrode fixed frame comprises at least two main brace summers and is fixed on below described main brace summer, described discharge electrode is connected with described discharge electrode brace summer, described main brace summer is connected with described suspension rod, and described main brace summer is perpendicular to described discharge electrode brace summer.
Further, described wet electrical dust precipitator also comprises the spacing framework of discharge electrode be connected with the lower end of described discharge electrode, the spacing framework of described discharge electrode comprises at least two spacing girders, be fixed on spacing auxiliary beam on described spacing girder and spacing adjuster, length direction along described spacing auxiliary beam is provided with hole in the heart apart from equal microscler adjustment hole I, described spacing adjuster connects described microscler adjustment hole I and described discharge electrode simultaneously, and described spacing adjuster can move along described microscler adjustment hole I and fix, and described spacing girder is perpendicular to described spacing auxiliary beam.
Beneficial effect of the present invention: desulfation dust-extraction device of the present invention, by the combination of desulfurizing tower body and wet electrical dust precipitator, coal-fired flue-gas is made to obtain desulfurization and dedusting more thoroughly, combine the advantage of wet flue gas desulfurizer and wet electrical dust precipitator, under the operating mode of large exhaust gas volumn, high flue gas flow rate, efficiently can remove the SO in flue gas
2and SO
3the fine flue dust of acid mist, PM2.5 and below PM10, water smoke, gypsum droplet, realize clean emission, and the floor space of all-in-one-piece design saveall and minimizing accessory system, be convenient to install and use, effectively reduce investment and operation expense, improve efficiency of dust collection; Gas-liquid separation mechanism recycles after collecting the flushing water of wet electrical dust precipitator, makes wet electrical dust precipitator flushing water can not enter the carrying out affecting wet desulfurizing process in desulfurizing tower body; The present invention can realize controlling outlet dust concentration≤5mg/Nm
3, SO
2≤ 50mg/Nm
3, have simultaneously and remove water smoke, SO
3the ability of droplet, gypsum droplet and other harmful substance, be applicable to large exhaust gas volumn, high flue gas flow rate operating mode, application prospect is more wide.
Accompanying drawing explanation
Below in conjunction with drawings and Examples, the invention will be further described:
Fig. 1 is structural representation of the present invention;
Fig. 2 is the structural representation of gas-liquid separation mechanism of the present invention;
Fig. 3 is the structural representation of flue gas distributor of the present invention;
Fig. 4 is the structural representation of discharge electrode of the present invention;
Fig. 5 is the structural representation of discharge electrode fixed frame of the present invention;
Fig. 6 is A place enlarged drawing in Fig. 5;
Fig. 7 is the structural representation of the spacing framework of discharge electrode of the present invention;
Fig. 8 is B place enlarged drawing in Fig. 7.
Detailed description of the invention
Fig. 1 is structural representation of the present invention (in figure, arrow is flue gas flow direction), as shown in the figure: desulfation dust-extraction device of the present invention, comprise desulfurizing tower body, also comprise the wet electrical dust precipitator be connected with described desulfurizing tower body, the described top of desulfurizing tower body is connected with the bottom of wet electrical dust precipitator and is provided with gas-liquid separation mechanism 3 in junction, flow to wet electrical dust precipitator from the flue gas after the desulfurization of described desulfurizing tower body by gas-liquid separation mechanism 3, the flushing water flowed down from described wet electrical dust precipitator is flowed out by gas-liquid separation mechanism 3; By the combination of desulfurizing tower body and wet electrical dust precipitator, coal-fired flue-gas is made to obtain dedusting more thoroughly, combine the advantage of wet flue gas desulfurizer and wet electrical dust precipitator, under the operating mode of large exhaust gas volumn, high flue gas flow rate, efficiently can remove the SO in flue gas
2and SO
3the fine flue dust of acid mist, PM2.5 and below PM10, water smoke, gypsum droplet, and the floor space of all-in-one-piece design saveall and minimizing accessory system, be convenient to install and use, effectively reduce investment and operation expense, improve efficiency of dust collection; Gas-liquid separation mechanism 3 recycles after collecting the flushing water of wet electrical dust precipitator, makes wet electrical dust precipitator flushing water can not enter the carrying out affecting wet desulfurizing process in desulfurizing tower body; The present invention can realize controlling outlet dust concentration≤5mg/Nm
3, SO
2≤ 50mg/Nm
3, have simultaneously and remove water smoke, SO
3the ability of droplet, gypsum droplet and other harmful substance, be applicable to large exhaust gas volumn, high flue gas flow rate operating mode, application prospect is more wide.
In the present embodiment, described gas-liquid separation mechanism 3 comprises base plate 31, gear pipe 32 and gas cap 33, described base plate 31 is provided with pore I 31a and delivery port 31b, described gear pipe 32 hollow and its bottom cover described pore I 31a, top is connected with described gas cap 33, described gas cap 33 is tapered and lower than the top of described gear pipe 32 bottom it, described gear pipe 32 sidewall has gas outlet, wet electrical dust precipitator is flowed to by described pore I 31a and gas outlet successively from the flue gas after the desulfurization of described desulfurizing tower body, the flushing water flowed down from described wet electrical dust precipitator is stopped by described gas cap 33 and is flowed out by described delivery port 31b, Fig. 2 is the structural representation of gas-liquid separation mechanism 3 of the present invention, base plate 31 is evenly arranged some pore I 31a, gear pipe 32 is preferably hollow circular tube, is connected and is communicated with pore I 31a with under shed bottom gear pipe 32 with base plate 31, and gear pipe 32 top is connected with gas cap 33, gas outlet can be located between gear pipe 32 top and gas cap 33, also can be located at the position on the comparatively top of gear pipe 32 sidewall, gas cap 33 is tapered, can prevent deduster flushing water from being entered desulfurizing tower body by gas outlet, pore I 31a and being diluted lime stone slurry concentration, ensures the carrying out of sulfur removal technology.
In the present embodiment, be provided with flue gas distributor 4 above described gas-liquid separation mechanism 3, described flue gas distributor 4 is fixed on the inwall of described wet electrical dust precipitator, and described flue gas distributor 4 is evenly provided with pore II 4a passed through for flue gas; Fig. 3 is the structural representation of flue gas distributor 4 of the present invention, and pore II 4a on flue gas distributor 4 makes the smoke distribution entering deduster inside more even, to improve efficiency of dust collection.
In the present embodiment, described desulfurizing tower body comprises the housing I 11 being provided with gas approach 11a, the limestone slurry liquid pool 12 being arranged at housing I 11 inner chamber bottom and lime stone slurry circulated sprinkling system, oxidation air pipeline 13 and at least one agitator 14 (only display one in figure is provided with in described limestone slurry liquid pool 12, but can arrange multiple completely as required), described oxidation air pipeline 13 is connected with oxidation fan 15, described agitator 14 is connected with stirring motor 16, and described at least one, agitator 14 is positioned at the top of oxidation air pipeline 13; Owing to being provided with the agitator 14 be positioned at above oxidation air pipeline 13, the air that oxidation air pipeline 13 passes into forms air pocket in limestone slurry liquid pool 12, stirred by agitator 14 when rising and be broken for small bubble, small bubble ratio surface area is very large, increase the mass transfer area of oxygen in bubble, accelerate the rate of dissolution of oxygen, improve the content of oxygen in slurries, desulphurization reaction speed is increased, adds the desulphurizing ability of whole device.
In the present embodiment, described lime stone slurry circulated sprinkling system comprises the circulating pump 17 be communicated with limestone slurry liquid pool 12 and the spray piping 18 stretching into housing I 11 inner chamber top be communicated with circulating pump 17; Circulating pump 17 can be one or more; Spray piping 18 can be set to multilayer, and Multi-layer sprinkling makes the desulfurization performance of desulfuration absorbing tower very high; Spray piping 18 is located between gas approach 11a and gas-liquid separation mechanism 3, can arrange nozzle on pipeline, increases spray effect.
In the present embodiment, between described spray piping 18 and gas-liquid separation mechanism 3, be provided with demister 19; Demister 19, for removing water smoke in flue gas and a small amount of flue dust, namely realizes coarse filtration in desulfurization stage, alleviates the dedusting burden of deduster.
In the present embodiment, described wet electrical dust precipitator comprises housing II 21, be fixed on the dust collecting electrode 22 in described housing II 21 and the discharge electrode 23 longitudinally through described dust collecting electrode 22, described discharge electrode 23 comprises electrode tube 231 and is connected to the electric discharge video disc 232 on described electrode tube 231, described electric discharge video disc 232 forms video disc group, described video disc group is made up of video disc group I 23a and video disc group II 23b, described video disc group I 23a is located at the one end near described gas-liquid separation mechanism 3, the video disc distribution density I of described video disc group I 23a is greater than the video disc distribution density II of described video disc group II 23b, Fig. 4 is the structural representation of discharge electrode 23 of the present invention, and in Fig. 4, the direction of arrow is flow of flue gas direction, and from Fig. 4, flue gas flows to from lower end, flow out from upper end, electrode tube 231 is in the center of dust collecting electrode 22, and is connected with high voltage source, and electric current reaches electric discharge video disc 232, and the periphery place of electric discharge video disc 232 produces corona discharge, the two ends of electrode tube 231 are provided with connecting screw rod, and connecting screw rod is used for fixing discharge electrode 23, the cross section of the dust collecting electrode 22 that this electric cleaner uses is preferably regular hexagon, and the cross section of the video disc 232 that therefore discharges also is regular hexagon, to ensure that each periphery of electric discharge video disc 232 is consistent to the distance of dust collecting electrode 22, plays the effect of this electric cleaner to greatest extent, electric discharge video disc 232 on whole electrode tube 231 can be divided into two groups by the difference of its position, and the part (i.e. electrode tube 231 lower end) near gas-liquid separation mechanism 3 one end is video disc group I 23a, and other parts are video disc group II 23b, the physical length of " close " as herein, then determine according to directions such as handled flue gas type and flow of flue gas directions, should be the region that flue gas concentration is higher, as preferable range, the part of video disc group I 23a accounts for 1/5 to 1/3 of electrode tube 231 total length, and the length of video disc group I 23a part is generally no more than 2m, the quantity of the electric discharge video disc 232 that the electrode tube 231 of video disc distribution density and unit length connects, video disc distribution density I due to video disc group I 23a is greater than the video disc distribution density II of video disc group II 23b, on the discharge electrode 23 of i.e. unit length, electric discharge video disc 232 quantity of video disc group I 23a is more, therefore video disc group I 23a produce excitation electron quantity also more, current strength is larger, thus the corona current density enhancing wet electrical dust precipitator gas approach 11a place is to ensure that the flue dust that concentration is higher can be fully charged, improves the flue dust removal efficiency of this device, this device is under the prerequisite not changing discharge electrode 23 overall structure form, and the spacing that only need adjust electric discharge video disc 232 just can reach desired effects, can realize, be particularly suited for applying under the condition not increasing production cost.
In the present embodiment, distance I L1 between the adjacent described electric discharge video disc 232 of described video disc group I 23a is equal, and distance II L2 between the adjacent described electric discharge video disc 232 of described video disc group II 23b is equal; Described distance II L2 is not less than the twice of described distance I L1, and described distance II L2 is not more than three times of described distance I L1; On discharge electrode 23, the uniformity of current density is also the factor that discharge electrode 23 design must be considered, the video disc distribution density of this part is increased for solving the higher problem of the flue gas concentration at electric cleaner gas approach 11a place, but in order to keep the usage quantity of the uniformity of current density and effective controlled discharge video disc 232 to greatest extent, therefore the equidistant formula of the video disc 232 that ensures to discharge in video disc group I 23a and video disc group II 23b is arranged or necessary; As shown in Figure 4, distance I L1 between the neighbouring discharge video disc 232 of video disc group I 23a is a, and distance II L2 between the neighbouring discharge video disc 232 of video disc group II 23b is b; As 3a >=b >=2a, the spacing meeting this condition effectively can strengthen the corona current intensity at wet electrical dust precipitator gas approach 11a place, again can the usage quantity of effective controlled discharge video disc 232, make deduster reach higher efficiency of dust collection and reduce production cost simultaneously.
In the present embodiment, described wet electrical dust precipitator also comprises the discharge electrode fixed frame 24 be connected with the upper end of described discharge electrode 23, described discharge electrode fixed frame 24 is suspended in insulator 292 times by suspension rod 291, the discharge electrode brace summer 242 that described discharge electrode fixed frame 24 comprises at least two main brace summers 241 and is fixed on below described main brace summer 241, described discharge electrode 23 is connected with described discharge electrode brace summer 242, described main brace summer 241 is connected with described suspension rod 291, and described main brace summer 241 is perpendicular to described discharge electrode brace summer 242; Fig. 5 is the structural representation of discharge electrode fixed frame 24 of the present invention, and Fig. 6 is A place enlarged drawing in Fig. 5, and insulator 292 is the supporting members supporting discharge electrode 23, and can adopt taper insulating sleeve, insulated case 294 covers outside insulator 292; Discharge electrode 23 is connected with discharge electrode brace summer 242, be arranged in parallel between several discharge electrode brace summer 242, the length direction of every root discharge electrode brace summer 242 is hung and has hung several discharge electrode 23; Main brace summer 241 is fixedly connected with discharge electrode brace summer 242, the discharge electrode brace summer 242 of direct hanging discharge electrode 23 not with housing II 21 contact internal walls, but be positioned in electric cleaner by main brace summer 241, therefore can hang securely and hang electrode 23, and the tie point of this electric cleaner can be greatly reduced, increase work efficiency, reduce manufacturing cost, ensure the flue dust removal efficiency of wet electrical dust precipitator; Main brace summer 241 is connected with suspension rod 291 and carries out insulation processing, and namely tie point insulator 292 connects, and insulator 292 is unsettled, and at the wet flue gas of insulator 292 place in heating air exclusion tower; As for the quantity of main brace summer 241, then depending on the concrete structure of electric cleaner, but at least arrange two; Main brace summer 241 perpendicular to discharge electrode brace summer 242, to improve the stable connection degree between main brace summer 241 and several discharge electrode brace summer 242; Meanwhile, owing to be arrangeding in parallel between several discharge electrode brace summer 242, the relation be also set in parallel between several main brace summer 241, can make the bearing load of electric cleaner be uniformly distributed, extend the service life of this device.
In the present embodiment, described wet electrical dust precipitator also comprises the spacing framework 25 of discharge electrode be connected with the lower end of described discharge electrode 23, the spacing framework of described discharge electrode 25 comprises at least two spacing girders 251, be fixed on the spacing auxiliary beam 252 on described spacing girder 251 and spacing adjuster 253, length direction along described spacing auxiliary beam 252 is provided with hole in the heart apart from equal microscler adjustment hole I 252a, described spacing adjuster 253 connects described microscler adjustment hole I 252a and described discharge electrode 23 simultaneously, and described spacing adjuster 253 can move along described microscler adjustment hole I 252a and fix, described spacing girder 251 is perpendicular to described spacing auxiliary beam 252, Fig. 7 is the structural representation of the spacing framework 25 of discharge electrode of the present invention, and Fig. 8 is B place enlarged drawing in Fig. 7, and microscler adjustment hole I 252a has certain length, therefore can change the joint face of itself and spacing adjuster 253 under the state of loose connection, the fixing spacing auxiliary beam 252 of overlap joint on spacing girder 251, spacing auxiliary beam 252 is connected with discharge electrode 23 lower end plug by spacing adjuster 253, the spacing framework 25 of discharge electrode can be suspended on below discharge electrode 23 and eliminate the tie point with electric precipitation wall, reduce labour intensity in construction and installation process, and the position influence of discharge electrode 23 utilizing spacing adjuster 253 can not only prevent completing concentricity adjustment, spacing adjuster 253 can also adjust the discharge electrode 23 departing from concentricity along moving of microscler adjustment hole I 252a in good time, improve deduster reliability of operation, ensure the flue dust removal efficiency of deduster, spacing adjuster 253 is circular casing, and its sidewall has the adjustment screw that at least three circumferences are evenly arranged, and adjusting knob screws in and regulates screw, can be formed each to extruding to the discharge electrode 23 lower end plug be enclosed within spacing adjuster 253, adjusting knob is "T"-shaped knob, has the external screw thread with the screw-internal thread fit regulating screw, for finely tuning discharge electrode 23 lower end plug, and carries out further fixing spacing, spacing girder 251 perpendicular to described spacing auxiliary beam 252, to improve the stable connection degree between spacing girder 251 and several spacing auxiliary beam 252, meanwhile, owing to be arrangeding in parallel between several spacing auxiliary beam 252, the relation be also set in parallel between several spacing girder 251, can make discharge electrode 23 bearing load be uniformly distributed, extend the service life of this electric cleaner, the cross section of microscler adjustment hole I 252a is the composite figure that rectangle and two semicircles of docking with described rectangle two ends are respectively formed, and the adjustment hole of this structure can meet the mobile needs of tie point to greatest extent.
What finally illustrate is, above embodiment is only in order to illustrate technical scheme of the present invention and unrestricted, although with reference to preferred embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that, can modify to technical scheme of the present invention or equivalent replacement, and not departing from aim and the scope of technical solution of the present invention, it all should be encompassed in the middle of right of the present invention.
Claims (10)
1. a desulfation dust-extraction device, comprise desulfurizing tower body, it is characterized in that: also comprise the wet electrical dust precipitator be connected with described desulfurizing tower body, the described top of desulfurizing tower body is connected with the bottom of wet electrical dust precipitator and is provided with gas-liquid separation mechanism in junction, flow to wet electrical dust precipitator from the flue gas after the desulfurization of described desulfurizing tower body by gas-liquid separation mechanism, the flushing water flowed down from described wet electrical dust precipitator is flowed out by gas-liquid separation mechanism.
2. desulfation dust-extraction device according to claim 1, it is characterized in that: described gas-liquid separation mechanism comprises base plate, gear pipe and gas cap, described base plate is provided with pore I and delivery port, described gear pipe hollow and its bottom cover described pore I, top is connected with described gas cap, described gas cap is tapered and lower than the top of described gear pipe bottom it, described gear pipe sidewall has gas outlet, wet electrical dust precipitator is flowed to by described pore I and gas outlet successively from the flue gas after the desulfurization of described desulfurizing tower body, the flushing water flowed down from described wet electrical dust precipitator is stopped by described gas cap and is flowed out by described delivery port.
3. desulfation dust-extraction device according to claim 2, it is characterized in that: above described gas-liquid separation mechanism, be provided with flue gas distributor, described flue gas distributor is fixed on the inwall of described wet electrical dust precipitator, and described flue gas distributor is evenly provided with the pore II passed through for flue gas.
4. desulfation dust-extraction device according to claim 3, it is characterized in that: described desulfurizing tower body comprises the housing I being provided with gas approach, the limestone slurry liquid pool being arranged at housing I inner chamber bottom and lime stone slurry circulated sprinkling system, oxidation air pipeline and at least one agitator is provided with in described limestone slurry liquid pool, described oxidation air pipeline is connected with oxidation fan, described agitator is connected with stirring motor, and agitator described at least one is positioned at the top of oxidation air pipeline.
5. desulfation dust-extraction device according to claim 4, is characterized in that: described lime stone slurry circulated sprinkling system comprises the circulating pump be communicated with limestone slurry liquid pool and the spray piping stretching into housing I inner chamber top be communicated with circulating pump.
6. desulfation dust-extraction device according to claim 5, is characterized in that: be provided with demister between described spray piping and gas-liquid separation mechanism.
7. desulfation dust-extraction device according to any one of claim 1 to 6, it is characterized in that: described wet electrical dust precipitator comprises housing II, be fixed on the dust collecting electrode in described housing II and the discharge electrode longitudinally through described dust collecting electrode, described discharge electrode comprises electrode tube and is connected to the electric discharge video disc on described electrode tube, described electric discharge video disc composition video disc group, described video disc group is made up of video disc group I and video disc group II, described video disc group I is located at the one end near described gas-liquid separation mechanism, the video disc distribution density I of described video disc group I is greater than the video disc distribution density II of described video disc group II.
8. desulfation dust-extraction device according to claim 7, is characterized in that: the distance I between the adjacent described electric discharge video disc of described video disc group I is equal, and the distance II between the adjacent described electric discharge video disc of described video disc group II is equal; Described distance II is not less than the twice of described distance I, and described distance II is not more than three times of described distance I.
9. desulfation dust-extraction device according to claim 8, it is characterized in that: described wet electrical dust precipitator also comprises the discharge electrode fixed frame be connected with the upper end of described discharge electrode, under described discharge electrode fixed frame is suspended in insulator by suspension rod, the discharge electrode brace summer that described discharge electrode fixed frame comprises at least two main brace summers and is fixed on below described main brace summer, described discharge electrode is connected with described discharge electrode brace summer, described main brace summer is connected with described suspension rod, and described main brace summer is perpendicular to described discharge electrode brace summer.
10. desulfation dust-extraction device according to claim 9, it is characterized in that: described wet electrical dust precipitator also comprises the spacing framework of discharge electrode be connected with the lower end of described discharge electrode, the spacing framework of described discharge electrode comprises at least two spacing girders, be fixed on the spacing auxiliary beam on described spacing girder and spacing adjuster, length direction along described spacing auxiliary beam is provided with hole in the heart apart from equal microscler adjustment hole I, described spacing adjuster connects described microscler adjustment hole I and described discharge electrode simultaneously, and described spacing adjuster can move along described microscler adjustment hole I and fix, described spacing girder is perpendicular to described spacing auxiliary beam.
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| CN201410266945.8A CN104208996A (en) | 2014-06-16 | 2014-06-16 | Desulfurizing and dedusting apparatus |
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| CN201410266945.8A CN104208996A (en) | 2014-06-16 | 2014-06-16 | Desulfurizing and dedusting apparatus |
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| CN105451425A (en) * | 2015-12-31 | 2016-03-30 | 浙江大维高新技术股份有限公司 | Low-temperature plasma generation device in honeycomb structure |
| CN105562207A (en) * | 2016-02-02 | 2016-05-11 | 北京清新环境技术股份有限公司 | Tube-bundle dust and mist removal device |
| CN106423559A (en) * | 2015-08-13 | 2017-02-22 | 白连福 | Novel electric precipitator |
| CN107470027A (en) * | 2017-08-23 | 2017-12-15 | 广州熠森能环保科技有限公司 | Function modoularization exhaust gas cleaner and domestic garbage disposer |
| CN107583380A (en) * | 2017-10-25 | 2018-01-16 | 福建卫东环保股份有限公司 | A kind of gas cleaning integral system |
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| CN104548912A (en) * | 2015-01-16 | 2015-04-29 | 嵊州市林美生物科技有限公司 | Desulfurization and dedusting equipment with limit switch |
| CN106423559A (en) * | 2015-08-13 | 2017-02-22 | 白连福 | Novel electric precipitator |
| CN105451425A (en) * | 2015-12-31 | 2016-03-30 | 浙江大维高新技术股份有限公司 | Low-temperature plasma generation device in honeycomb structure |
| CN105562207A (en) * | 2016-02-02 | 2016-05-11 | 北京清新环境技术股份有限公司 | Tube-bundle dust and mist removal device |
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| CN111001270A (en) * | 2018-10-04 | 2020-04-14 | 斗山重工业建设有限公司 | Dust collecting module and desulfurization device provided with same |
| CN111001270B (en) * | 2018-10-04 | 2023-01-17 | 斗山重工业建设有限公司 | Dust collecting module and desulfurization device provided with same |
| CN109078445A (en) * | 2018-10-21 | 2018-12-25 | 山东盛宝传热科技有限公司 | Flue gas ash removal takes off white integrated apparatus |
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Application publication date: 20141217 |