CN205308139U - SCR catalyst module ash removal device - Google Patents
SCR catalyst module ash removal device Download PDFInfo
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- CN205308139U CN205308139U CN201521033085.XU CN201521033085U CN205308139U CN 205308139 U CN205308139 U CN 205308139U CN 201521033085 U CN201521033085 U CN 201521033085U CN 205308139 U CN205308139 U CN 205308139U
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- dedusting cabin
- catalyst module
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- purging
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Abstract
The utility model belongs to the technical field of SCR catalyst system, concretely relates to SCR catalyst module ash removal device, including the dust removal storehouse, the setting sweeps the unit and sets up the negative pressure dust absorption unit in dust removal storehouse bottom the dust removal inside upper end in storehouse, the outside feed bin that sets up in negative pressure dust absorption unit connection dust removal storehouse, the feed bin, the outside power air supply system that sets up in unit connection dust removal storehouse sweeps, large -traffic air ash blowing combines the high -efficient dust absorption of negative pressure, SCR catalyst module is abluent more thorough, reduce washing wastewater output, and avoided the secondary pollution of laying dust to SCR catalyst module, the regeneration engineering cost is reduced.
Description
Technical field
This utility model belongs to SCR catalyst systems technology field, is specifically related to a kind of SCR catalyst module deashing device.
Background technology
Nitrogen oxides (NOx) is one of main component of atmospheric pollution, and in the discharge capacity of China's nitrogen oxides, 70% comes from the direct burning of coal, and boiler smoke is one of main source of NOx emission. Discharged nitrous oxides control is one of major tasks of China " 12 ", carries out the preventing and treating of Industrial Nitrogen oxide contaminant, and denitration has become the binding indicator. SCR denitration regeneration has become one of important step in prevention and control, and catalyst regeneration process includes: cleans ash disposal, water or pickling and recovers acidic site, the active substance several process of load again. Having substantial amounts of flue dust in used catalyst, the ammonium salt formed in the little granule of SCR denitration blocking mainly flue dust flying dust and course of reaction, they are deposited in the aperture of catalyst surface, hinder NOx, NH3And O2Arrive catalyst activity surface, cause catalyst structure. Thus, in catalyst regeneration process, catalyst module surface preparation and surface ash disposal are necessary, this link main purpose of traditional handicraft is only thought of as its follow-up active substance of again implanting and creates clean surface, process means are more single, adopting device is high-power vacuum sweeper dust suction ash disposal, this process efficiency is low, clear up not thorough, after being generally disposed, still a lot of at catalyst duct internal residual dust stratification, ash disposal link processes not in place, just the subsequent treatment process of reengineer is produced serious influence, cause the regeneration huge increasing of Financial cost.
When the reengineer adopting existing the aspiration of negative pressure mode deashing is constructed continuously, SCR catalyst can produce substantial amounts of waste water in prerinse+pressure pulse cleaning link, such substantial amounts of waste water is in the processing procedure of waste water, in technology, economically, suitable pressure is all had for construction party or user, waste water must must process again, and to meet relevant environment standard, increases the cost of reengineer undoubtedly. Sum up through substantial amounts of engineering experience, as long as finding that SCR catalyst module dedusting is clean, duct is substantially without blocking dust stratification, the useless muddy water produced when prerinse+pressure pulse cleaning can significantly decline, the pressure of wastewater treatment can greatly reduce, therefore, improve SCR catalyst module ash-removal effect to solve with the problems demand reducing waste water yield.
Utility model content
Technical problem to be solved in the utility model is for drawbacks described above, a kind of SCR catalyst module deashing device is provided, mass flow air soot blowing is in conjunction with sub-pressure high-efficient dust suction, it is more thorough that SCR catalyst module is cleaned, reduce and clean waste water yield, and avoid the laying dust secondary pollution to SCR catalyst module, reduce the cost of reengineer.
The technical scheme that this utility model solves the employing of its technical problem is as follows:
A kind of SCR catalyst module deashing device, including dedusting cabin, it is arranged on purging unit and being arranged on the aspiration of negative pressure unit bottom dedusting cabin of dedusting cabin inner upper end, the aspiration of negative pressure unit connects the outside feed bin arranged of dedusting cabin, feed bin, purge unit and connect the outside power gas source system arranged of dedusting cabin, the duct of SCR catalyst Modular surface and inside is purged by mass flow air at SCR catalyst module top, laying dust is blown off, the dust blown off is discharged by the aspiration of negative pressure unit of bottom timely, improve effect and the efficiency of SCR catalyst module deashing, and avoid dust that SCR catalyst module is caused secondary pollution, it is thorough that laying dust is removed, it is easy to follow-up SCR catalyst module clean, and it is significantly reduced the waste water yield in cleaning process, reduce cost.
Further, described power gas source system is made up of vacuum roots blower, air-introduced machine, air-introduced machine is connected with purging unit with pipeline, vacuum roots blower is connected with feed bin with pipeline, air-introduced machine for purge unit air feed, vacuum roots blower bleed generation negative pressure make dust by the aspiration of negative pressure unit be expelled to feed bin collect, dust focuses on, avoid dust to overflow, cause secondary pollution.
Further, feed bin top is provided with roof scrubber, and the air of vacuum roots blower suction is processed by roof scrubber, it is prevented that roof scrubber damages, and avoids dust to overflow simultaneously.
Further, the Turbogrid plates of carrying SCR catalyst module it are provided with bottom described dedusting cabin, dedusting cabin bottom is protruding towards dedusting cabin bottom side, and the most convex place of bottom face is dedusting cabin bottom face center, and dedusting cabin leading flank is provided with door, described the aspiration of negative pressure unit is the aspiration of negative pressure mouth, the aspiration of negative pressure mouth corresponds to dedusting cabin bottom face center, is additionally provided with the dirt unit that shakes bottom dedusting cabin, and bottom is protruding towards bottom side, the dust being easy to blow off collects, and promotes the quick extraction of dust.
Further, dedusting cabin bottom face is downward tapered protrusion face or downward arc convex face.
Further, described purges the translation mechanism that unit includes purging device, control purging device moves horizontally and the height adjustment mechanism adjusting purging device vertically height, translation mechanism two ends are connected with dedusting cabin upper end inwall, height adjustment mechanism upper end is connected with translation mechanism, height adjustment mechanism bottom is connected with purging device, purging device can move in the exposure level of translation mechanism, the purging scope making purging device covers SCR catalyst module, height adjustment mechanism can regulate the height that purging device is suitable on SCR catalyst module top, improves the effect purged.
Further, described purging device longitudinal section is isosceles trapezoid, purging device dual-side tilts to the inside from top to bottom and forms the blowing mouth to canyon in purging device bottom, blowing mouth both sides are provided with rubber beams aerofoil, purging device side is provided with air inlet, the wind that air-introduced machine is carried can be assembled pressurization by the structure of purging device, improve the effect purged, rubber beams aerofoil reduces blowing mouth both sides spacing further, concentrate wind bundle further, improve the wind speed at this place, breeze up, improve the effect purged further.
Further, described translation mechanism includes the slide on slide rail, slide rail, slide rail two ends are connected with dedusting cabin upper end inwall, slide is provided with the driving mechanism driving slide to slide on slide rail, described height adjustment mechanism include being vertically arranged on heighten plate, under heighten plate, above heighten plate top and be connected with slide, under heighten plate bottom and be connected with purging device, on heighten plate, under heighten plate and be equipped with the mounting hole cooperated, be provided with lock-screw in mounting hole.
Further, motor that described driving mechanism includes being arranged on slide, the actuating device of motor output shaft, the tooth bar engaged with gear that actuating device includes being arranged on the gear of motor output end, slide rail and arranges.
Further, the described dirt unit that shakes includes multiple vibrator, and multiple vibrators are evenly distributed in dedusting cabin bottom face bottom side.
Provide the benefit that acquired by this utility model: adopt such scheme, SCR catalyst module is in the dedusting cabin of Guan Bi, SCR catalyst module is carried out purging back and forth with mass flow air by its upper end, laying dust in SCR catalyst Modular surface and duct is blown off to dedusting cabin, by the aspiration of negative pressure mouth sucking-off to feed bin, laying dust is collected, mass flow air purges in conjunction with sub-pressure high-efficient dust suction, substantially increase the ash-removal effect to SCR catalyst module, make that SCR catalyst module laying dust removes clean thoroughly, simultaneously, the laying dust sucking-off that negative pressure will be blown off, it is prevented effectively from the laying dust secondary pollution to SCR catalyst module, deashing is thorough, waste water yield is greatly reduced in the cleaning that SCR catalyst module is follow-up, reduce the cost of reengineer.
Accompanying drawing explanation
By the detailed description below in conjunction with accompanying drawing, this utility model is aforesaid be will become clear from other purpose, feature and advantage.
Fig. 1 is structural representation of the present utility model;
Fig. 2 is the structural representation of this utility model dedusting cabin;
Fig. 3 is the structural representation of this utility model translation mechanism;
Fig. 4 is the structural representation of this utility model height adjustment mechanism;
Fig. 5 is the structural representation of this utility model purging device.
In accompanying drawing:
1 is dedusting cabin;
2 is feed bin, and 2.1 is roof scrubber;
3 is vacuum roots blower;
4 is air-introduced machine, and 4.1 is air supply duct;
5 is the aspiration of negative pressure mouth, and 5.1 is dust sucting pipeline;
6 is vibrator;
7 is purging device, and 7.1 is blowing mouth, 7.2 rubber beams aerofoils, 7.3 air inlets;
8 is translation mechanism, and 8.1 is slide rail, 8.2 slides, and 8.3 is motor, and 8.4 is gear, and 8.5 is tooth bar;
9 is height adjustment mechanism, 9.1 on heighten plate, 9.2 be under heighten plate, 9.3 is lock-screw.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, this utility model is described in further detail.
Embodiment 1: a kind of SCR catalyst module deashing device as shown in Figure 1, including dedusting cabin 1, it is arranged on purging unit and being arranged on the aspiration of negative pressure unit bottom dedusting cabin 1 of dedusting cabin 1 inner upper end, the aspiration of negative pressure unit connects the outside feed bin 2 arranged of dedusting cabin 1, feed bin 2, purge unit and connect the outside power gas source system arranged of dedusting cabin 1, power gas source system is by vacuum roots blower 3, air-introduced machine 4 is constituted, air-introduced machine 4 is connected with purging unit with air supply duct 4.1, vacuum roots blower 3 is connected with feed bin 2 with air draft pipe, SCR catalyst module is placed in the dedusting cabin 1 of closing, purge unit at SCR catalyst module top, the duct of SCR catalyst Modular surface and inside to be purged with mass flow air, laying dust is being blown off and is collecting in the bottom of dedusting cabin 1, and in time dust is discharged by the aspiration of negative pressure unit, purge dedusting, the aspiration of negative pressure combines the effect and efficiency that improve SCR catalyst module deashing, and avoid dust that SCR catalyst module is caused secondary pollution, it is thorough that laying dust is removed, it is easy to follow-up SCR catalyst module clean, and it is significantly reduced the waste water yield in cleaning process, it is substantially reduced cost.
As shown in Figure 2, 15-20% design is amplified by market maximum catalyst module 1.5*1.5*1.2 (L*W*H) overall dimensions in the dedusting region of dedusting cabin 1, the leading flank of dedusting cabin 1 is provided with the door that activity is opened, door is provided with sealing ring, after ensureing that door is closed, dedusting cabin 1 inside is airtight space, SCR catalyst module is placed in dedusting cabin 1, the duct of SCR catalyst module keeps vertically, the bottom of dedusting cabin 1 is provided with carrying SCR catalyst Turbogrid plates 1.1, air supply duct 4.1 passes into from dedusting cabin 1 side, air supply duct 4.1 blows with the purging unit of dedusting cabin 1 inner upper end and is connected, the air of big flow is improved for purging unit,
Translation mechanism 8 and the height adjustment mechanism 9 of adjustment purging device 7 vertically height that the purging unit of dedusting cabin 1 inner upper end is moved horizontally by purging device 7, control purging device 7 are constituted, translation mechanism 8 two ends are connected with the upper end inwall of dedusting cabin 1, the upper end of height adjustment mechanism 9 is connected with translation mechanism 8, the bottom of height adjustment mechanism 9 is connected with purging device 7, purging device 7 can be controlled by translation mechanism 7 to move horizontally all around in the dedusting region of dedusting cabin 1, so that SCR catalyst module comprehensively to be purged. in Fig. 2, the translation mechanism of the present embodiment is arranged along dedusting cabin 1 length direction, control purging device 1 and move purging along cleaner unit 1 length direction, the length direction of purging device 1 is vertical with SCR catalyst block length direction, the length of purging device 1 is not less than the width of SCR catalyst module, concrete, translation mechanism 8 as shown in Figure 3 includes slide rail 8.1, slide 8.2 on slide rail 8.1, the two ends of slide rail 8.1 are connected with dedusting cabin 1 upper end inwall, slide 8.2 is provided with the driving mechanism driving slide 8.2 to slide on slide rail 8.1, driving mechanism includes the motor 8.3 being arranged on slide 8.2, motor 8.3 exports shaft drive, actuating device includes the gear 8.4 being arranged on motor 8.3 outfan, the tooth bar 8.5 engaged with gear 8.4 arranged on slide rail 8.1, motor 8.3 is fixed on the bottom of slide 8.2 with motor cabinet, it is provided with reducing gear between motor 8.3 output shaft and drive mechanism, so that the speed well that slide 8.2 slides, height adjustment mechanism 9 as shown in Figure 4 include being vertically arranged on heighten plate 9.1, under heighten plate 9.2, on heighten plate 9.1 top and be connected with slide 8.2, under heighten plate 9.2 bottom and be connected with purging device 7, on heighten plate 9.1, under heighten plate 9.2 and be slidably matched, on heighten plate 9.1 with under heighten plate 9.2 be provided with to opposite coordinate under heighten the groove of plate 9.2, under heighten plate 9.2 and slide in groove, on heighten plate 9.1, under heighten plate 9.2 and be equipped with the mounting hole cooperated, lock-screw 9.3 it is provided with in mounting hole, lock with lock-screw 9.3 after adjusting height and heighten plate 9.1, under heighten the relative position of plate 9.2, to control the height of purging device 7, the height making purging device 7 coordinates with SCR catalyst module height, purging device 7 is suspended at above SCR catalyst module and is suitable for height, ensure that purging effect can reach to maximize.
As shown in Figure 5, purging device 7 longitudinal section in its longitudinal direction is isosceles trapezoid, the two sides, front and back of purging device 7 tilt to the inside from top to bottom and form the blowing mouth 7.1 to canyon in purging device 7 bottom, both sides, blowing mouth 7.1 place are provided with relative rubber beams aerofoil 7.2, two rubber beams aerofoils 7.2 tilt to install, rubber beams aerofoil 7.2 bottom is close to each other, or rubber beams aerofoil 7.2 is arc, radian is relative, the air-flow flow through is carried out constraint direction, improve wind speed, purging device 7 is provided with air inlet 7.3 near the side of air supply duct 4.1, intake stack 4.1 is connected with air inlet 7.3 with air supply hose, air supply hose is preferably ripple struction, it is easy to stretch and compression, it is easy to ensure that when translation the wind energy that air supply duct 4.1 is sent here gets at purging device 7 and reaches purging device 7, ensure air-supply and the effect purged, the structure of purging device 7 can play the effect of bundle wind pressurization, rubber beams aerofoil 7.2 improves the effect of bundle wind pressurization further, and when regulating the height of purging device 7, rubber beams aerofoil 7.2 plays buffer protection effect, avoiding regulating transition makes purging device 7 and SCR catalyst module collide, avoid damaging, the air-flow that air-introduced machine 4 blasts is after purging device bundle wind pressurizes, the purge air quantity at blowing mouth 7.1 place is 2000-2800m3/ h, purging pressure is 0.1-0.4MPa, the duct of SCR catalyst module is vertical, structure regardless of SCR catalyst module duct is honeycomb fashion, flat, corrugated plate dst or other structures, duct is vertical, and the purging device 7 above SCR catalyst module blows out the mass flow air of 0.1-0.4MPa, it is possible to run through SCR catalyst module duct, the laying dust on duct and surface is blown off downwards, makes laying dust collect bottom dedusting cabin 1.
As shown in Figure 2, collect for the ease of laying dust, the bottom face of dedusting cabin 1 is the crowning of the curved projection in bottom to dedusting cabin 1, the center in arc convex face is the center of dedusting cabin 1 bottom face, the aspiration of negative pressure unit is the aspiration of negative pressure mouth 5 being arranged on dedusting cabin 1 bottom face center, the aspiration of negative pressure mouth 5 connects feed bin 2 with dust sucting pipeline 5.1, the top of feed bin 2 is provided with roof scrubber 2.1, the bottom of feed bin 2 is inverted cone-shaped structure, feed bin 2 supports with support, bottom inverted cone-shaped structure is provided with material outlet, it is easy to collect laying dust, laying dust is enable to get a proper arrangement, avoid laying dust diffusion pollution environment, roof scrubber 2.1 is connected with vacuum roots blower 3 with air draft pipe, vacuum roots blower 3 is bled generation negative pressure, maximum rate of air sucked in required controls as 2000-2800m3/ h, the negative pressure value at the aspiration of negative pressure mouth 5 place is-300～-500mmHg, Negative Pressure Dust Collecting System hour slip is less than 1%, vacuum roots blower 3 is bled negative pressure, the aspiration of negative pressure mouth 5 is made to be drawn in feed bin 2 by the dust of dedusting cabin 1 congregate by dust sucting pipeline 5.1, dust collects in feed bin 2, and packed with packaging bag by the material outlet discharge of bottom, avoid dust effusion contaminated environment, the air that roof scrubber 2.1 is then pumped into vacuum roots blower 3 from feed bin 2 end carries out dust removal and filtration, ensure to enter the cleaning of vacuum roots blower 3 air, avoid dust to overflow simultaneously, the bottom of dedusting cabin 1 is additionally provided with the dirt unit that shakes, the dirt unit that shakes includes two vibrators 6, vibrator 6 symmetry be arranged on dedusting cabin 1 two bottom sides, the frequency of vibration of vibrator 6 is 60-180 time/min, upper and lower amplitude is 3-8mm, preferably, the position of vibrator 6 is corresponding to 1/2nd positions of dedusting cabin 1 bottom face one side, dedusting cabin 1 bottom face is cambered surface, preferably, the angle of vibrator 6 and this place of dedusting cabin 1 bottom face are 90 degree of angles, it is arranged on 1/2nd places that bottom face is unilateral, according to the experience summed up in experiment test and production activity, dust collects on the conical surface of dedusting cabin 1 bottom, when laying dust is extracted out by negative pressure, the dust still having a small amount of part can remain on cambered surface inwall, and remain in cambered surface center, vibrator 6 is arranged on this place, and be an angle of 90 degrees with this place, the vibration effect of vibrator 6 can farthest be delivered to dedusting cabin 1 bottom face, obtain maximum dirt effect of shaking, the dust of remaining is shaken and drops down onto the aspiration of negative pressure mouth 5, the aspiration of negative pressure unit can run-in synchronism with the dirt unit that shakes, can also asynchronous operate, purged, when ensureing the aspiration of negative pressure, the dust that unit blows off to be cleaned, avoid dust that SCR catalyst module is carried out secondary pollution. this deashing device is compared and prior art, breach the aspiration of negative pressure mode that tradition is single, adopt in airtight dedusting cabin 1 with mass flow air in SCR catalyst top soot blowing, SCR catalyst bottom the aspiration of negative pressure combines, dedusting cabin bottom mechanical shake dirt auxiliary, suitable in all types, specification catalyst, increase substantially the ash-removal effect of SCR catalyst, not only the laying dust on SCR catalyst surface is cleaned out, two and by clean for removing same for the laying dust in duct, the laying dust blown off is by negative pressure sucking-off timely, avoid the dust secondary pollution to SCR catalyst, deashing is more thorough.
Use waste water yield and wastewater treatment in the SCR catalyst regeneration engineering of tradition dust arrester as shown in table 1 below:
Use SCR catalyst regeneration construction waste water yield of the present utility model and wastewater treatment as shown in table 2 below:
Significantly, after adopting this device to remove SCR catalyst module laying dust, in prerinse+pressure pulse cleaning link, waste water yield is substantially reduced, the solid black dirt that deashing technique produces is after testing containing minute quantity tungsten, vanadium nuisance, meet National Environmental solid waste discharge standard, directly can process by general solid waste, in the follow-up cleaning of SCR catalyst, be greatly reduced waste water yield, reduce the cost of reengineer.
This device realizes the ash disposal efficient, thorough in SCR catalyst Modular surface and duct in SCR catalyst regeneration technique, create for the follow-up active substance of implantation again and more desirably clean interface, adding chemism medicament contact area, effect is implanted in enhanced activity agent; Secondly, after the efficient ash disposal of catalyst surface, wash in pre-flush, in the subsequent operation such as pressure pulse cleaning, not only reduce the operating time, also considerably reduce waste water yield, directly reduce wastewater treatment pressure, reduce reengineer cost; 3rd, dust collecting process process reduces or avoids secondary pollution.
Embodiment 2: a kind of SCR catalyst module deashing device as shown in Figure 1, including dedusting cabin 1, it is arranged on purging unit and being arranged on the aspiration of negative pressure unit bottom dedusting cabin 1 of dedusting cabin 1 inner upper end, the aspiration of negative pressure unit connects the outside feed bin 2 arranged of dedusting cabin 1, feed bin 2 is connected with the outside vacuum roots blower 3 arranged of air draft pipe and dedusting cabin 1, purge unit then to arrange air-introduced machine 4 be connected with air supply duct 4.1 and dedusting cabin 1 outside, SCR catalyst module is placed in the dedusting cabin 1 of closing, purge unit at SCR catalyst module top, the duct of SCR catalyst Modular surface and inside to be purged with mass flow air, laying dust is being blown off and is collecting in the bottom of dedusting cabin 1, and in time dust is discharged by the aspiration of negative pressure unit, purge dedusting, the aspiration of negative pressure combines the effect and efficiency that improve SCR catalyst module deashing, and avoid dust that SCR catalyst module is caused secondary pollution, it is thorough that laying dust is removed, it is easy to follow-up SCR catalyst module clean, and it is significantly reduced the waste water yield in cleaning process, it is substantially reduced cost.
As shown in Figure 2, 15-20% design is amplified by market maximum catalyst module 1.5*1.5*1.2 (L*W*H) overall dimensions in the dedusting region of dedusting cabin 1, the leading flank of dedusting cabin 1 is provided with the door that activity is opened, door is provided with sealing ring, after ensureing that door is closed, dedusting cabin 1 inside is airtight space, SCR catalyst module is placed in dedusting cabin 1, the duct of SCR catalyst module keeps vertically, the bottom of dedusting cabin 1 is provided with carrying SCR catalyst Turbogrid plates 1.1, air supply duct 4.1 passes into from dedusting cabin 1 side, air supply duct 4.1 blows with the purging unit of dedusting cabin 1 inner upper end and is connected, the air of big flow is improved for purging unit,
Translation mechanism 8 and the height adjustment mechanism 9 of adjustment purging device 7 vertically height that the purging unit of dedusting cabin 1 inner upper end is moved horizontally by purging device 7, control purging device 7 are constituted, translation mechanism 8 two ends are connected with the upper end inwall of dedusting cabin 1, the upper end of height adjustment mechanism 9 is connected with translation mechanism 8, the bottom of height adjustment mechanism 9 is connected with purging device 7, purging device 7 can be controlled by translation mechanism 7 to move horizontally all around in the dedusting region of dedusting cabin 1, so that SCR catalyst module comprehensively to be purged. translation mechanism 8 as shown in Figure 3 includes slide rail 8.1, slide 8.2 on slide rail 8.1, the two ends of slide rail 8.1 are connected with dedusting cabin 1 upper end inwall, slide 8.2 is provided with the driving mechanism driving slide 8.2 to slide on slide rail 8.1, driving mechanism includes the motor 8.3 being arranged on slide 8.2, the roller of motor 8.3 outfan, slide rail 8.1 is provided with the track coordinating roller, motor 8.3 is fixed on the bottom of slide 8.2 with motor cabinet, it is provided with reducing gear between motor 8.3 output shaft and roller, so that the speed well that slide 8.2 slides, height adjustment mechanism 9 is Pneumatic extension bar, pneumatic control is easy to regulate the height of purging device 7, the height making purging device 7 coordinates with SCR catalyst module height, purging device 7 is suspended at above SCR catalyst module and is suitable for height, ensure that purging effect can reach to maximize.
As shown in Figure 5, purging device 7 longitudinal section in its longitudinal direction is isosceles trapezoid, the two sides, front and back of purging device 7 tilt to the inside from top to bottom and form the blowing mouth 7.1 to canyon in purging device 7 bottom, both sides, blowing mouth 7.1 place are provided with relative rubber beams aerofoil 7.2, two rubber beams aerofoils 7.2 tilt to install, rubber beams aerofoil 7.2 bottom is close to each other, or rubber beams aerofoil 7.2 is arc, radian is relative, the air-flow flow through is carried out constraint direction, improve wind speed, purging device 7 is provided with air inlet 7.3 near the side of air supply duct 4.1, intake stack 4.1 is connected with air inlet 7.3 with air supply hose, air supply hose is preferably ripple struction, it is easy to stretch and compression, it is easy to ensure that when translation the wind energy that air supply duct 4.1 is sent here gets at purging device 7 and reaches purging device 7, ensure air-supply and the effect purged, the structure of purging device 7 can play the effect of bundle wind pressurization, rubber beams aerofoil 7.2 improves the effect of bundle wind pressurization further, and when regulating the height of purging device 7, rubber beams aerofoil 7.2 plays buffer protection effect, avoiding regulating transition makes purging device 7 and SCR catalyst module collide, avoid damaging, the air-flow that air-introduced machine 4 blasts is after purging device bundle wind pressurizes, the purge air quantity at blowing mouth 7.1 place is 2000-2800m3/ h, purging pressure is 0.1-0.4MPa, the duct of SCR catalyst module is vertical, structure regardless of SCR catalyst module duct is honeycomb fashion, flat, corrugated plate dst or other structures, duct is vertical, purging device 7 above SCR catalyst module blows out the mass flow air of 0.1-0.4MPa, SCR catalyst module duct can be run through, the laying dust on duct and surface is blown off downwards, laying dust is made to collect bottom dedusting cabin 1, in order to strengthen purging the effect of deashing, the laying dust in SCR catalyst module duct is made more thoroughly to remove, purging device 7 place is provided with downward acoustic wave ash ejector, acoustic wave ash ejector auxiliary air soot blowing peels off the black dirt of bonding further.
As shown in Figure 2, collect for the ease of laying dust, the bottom face of dedusting cabin 1 is the crowning of the tapered projection in bottom to dedusting cabin 1, the center in tapered protrusion face is the center of dedusting cabin 1 bottom face, the aspiration of negative pressure unit is the aspiration of negative pressure mouth 5 being arranged on dedusting cabin 1 bottom face center, the aspiration of negative pressure mouth 5 connects feed bin 2 with dust sucting pipeline 5.1, the top of feed bin 2 is provided with roof scrubber 2.1, the bottom of feed bin 2 is inverted cone-shaped structure, feed bin 2 supports with support, bottom inverted cone-shaped structure is provided with material outlet, it is easy to collect laying dust, laying dust is enable to get a proper arrangement, avoid laying dust diffusion pollution environment, roof scrubber 2.1 is connected with vacuum roots blower 3 with air draft pipe, vacuum roots blower 3 is bled generation negative pressure, maximum rate of air sucked in required controls as 2000-2800m3/ h, the negative pressure value at the aspiration of negative pressure mouth 5 place is-300～-500mmHg, Negative Pressure Dust Collecting System hour slip is less than 1%, vacuum roots blower 3 is bled negative pressure, the aspiration of negative pressure mouth 5 is made to be drawn in feed bin 2 by the dust of dedusting cabin 1 congregate by dust sucting pipeline 5.1, dust collects in feed bin 2, and packed with packaging bag by the material outlet discharge of bottom, avoid dust effusion contaminated environment, the air that roof scrubber 2.1 is then pumped into vacuum roots blower 3 from feed bin 2 end carries out dust removal and filtration, ensure to enter the cleaning of vacuum roots blower 3 air, avoid dust to overflow simultaneously, the bottom of dedusting cabin 1 is additionally provided with the dirt unit that shakes, the dirt unit that shakes includes four vibrators 6, four vibrators 6 are arranged on bottom dedusting cabin 1 uniformly, the frequency of vibration of vibrator 6 is 60-180 time/min, upper and lower amplitude is 3-8mm, preferably, the position of vibrator 6 is corresponding to 1/2nd positions of dedusting cabin 1 bottom face one side, dedusting cabin 1 bottom face is the conical surface, preferably, the angle of vibrator 6 and this place of dedusting cabin 1 bottom face are 90 degree of angles, it is arranged on 1/2nd places that bottom face is unilateral, according to the experience summed up in experiment test and production activity, dust collects on the conical surface of dedusting cabin 1 bottom, when laying dust is extracted out by negative pressure, the dust still having a small amount of part can remain on conical surface inwall, and remain in conical surface center, vibrator 6 is arranged on this place, and be an angle of 90 degrees with this place, the vibration effect of vibrator 6 can farthest be delivered to dedusting cabin 1 bottom face, obtain maximum dirt effect of shaking, the dust of remaining is shaken and drops down onto the aspiration of negative pressure mouth 5, the aspiration of negative pressure unit can run-in synchronism with the dirt unit that shakes, can also asynchronous operate, purged, when ensureing the aspiration of negative pressure, the dust that unit blows off to be cleaned, avoid dust that SCR catalyst module is carried out secondary pollution. this deashing device is compared and prior art, breach the aspiration of negative pressure mode that tradition is single, adopt in airtight dedusting cabin 1 with mass flow air in SCR catalyst top soot blowing, SCR catalyst bottom the aspiration of negative pressure combines, dedusting cabin bottom mechanical shake dirt auxiliary, suitable in all types, specification catalyst, increase substantially the ash-removal effect of SCR catalyst, not only the laying dust on SCR catalyst surface is cleaned out, two and by clean for removing same for the laying dust in duct, the laying dust blown off is by negative pressure sucking-off timely, avoid the dust secondary pollution to SCR catalyst, deashing is more thorough, the follow-up cleaning of SCR catalyst is greatly reduced waste water yield, reduce the cost of reengineer.
Embodiment 3: a kind of SCR catalyst module deashing device as shown in Figure 1, including dedusting cabin 1, it is arranged on purging unit and being arranged on the aspiration of negative pressure unit bottom dedusting cabin 1 of dedusting cabin 1 inner upper end, the aspiration of negative pressure unit connects the outside feed bin 2 arranged of dedusting cabin 1, dedusting cabin 1 be provided externally with vacuum roots blower 3, the top of feed bin 2 is provided with roof scrubber 2.1, roof scrubber 2.1 is connected with the suction opeing of air draft pipe with vacuum roots blower 3, feed bin 2 connects the aspiration of negative pressure unit with dust sucting pipeline 5.1, purge unit to be then connected with the air outlet of air supply duct 4.1 with vacuum roots blower 3, vacuum roots blower 3, feed bin 2, closed circuit blood circulation is formed between dedusting cabin 1, in order to ensure the normal operation of vacuum roots blower 3, vacuum roots blower 3 place is provided with the automatic temperature control equipment making vacuum roots blower 3 keep constant temperature, automatic temperature control equipment can also promote closed circuit circulatory system temperature, simultaneously, in order to ensure that big flow purges, effectively carrying out of the aspiration of negative pressure, air-supply end adds air-introduced machine, to ensure the effect that big flow purges, and the reliable of the aspiration of negative pressure effectively realizes. SCR catalyst module is placed in the dedusting cabin 1 of closing, purge unit at SCR catalyst module top, the duct of SCR catalyst Modular surface and inside to be purged with mass flow air, laying dust is being blown off and is collecting in the bottom of dedusting cabin 1, and in time dust is discharged by the aspiration of negative pressure unit, purge dedusting, the aspiration of negative pressure combines the effect and efficiency that improve SCR catalyst module deashing, and avoid dust that SCR catalyst module is caused secondary pollution, it is thorough that laying dust is removed, it is easy to follow-up SCR catalyst module clean, and it is significantly reduced the waste water yield in cleaning process, it is substantially reduced cost.
As shown in Figure 2, 15-20% design is amplified by market maximum catalyst module 1.5*1.5*1.2 (L*W*H) overall dimensions in the dedusting region of dedusting cabin 1, the leading flank of dedusting cabin 1 is provided with the door that activity is opened, door is provided with sealing ring, after ensureing that door is closed, dedusting cabin 1 inside is airtight space, SCR catalyst module is placed in dedusting cabin 1, the duct of SCR catalyst module keeps vertically, the bottom of dedusting cabin 1 is provided with carrying SCR catalyst Turbogrid plates 1.1, air supply duct 4.1 passes into from dedusting cabin 1 side, air supply duct 4.1 blows with the purging unit of dedusting cabin 1 inner upper end and is connected, the air of big flow is improved for purging unit,
Translation mechanism 8 and the height adjustment mechanism 9 of adjustment purging device 7 vertically height that the purging unit of dedusting cabin 1 inner upper end is moved horizontally by purging device 7, control purging device 7 are constituted, translation mechanism 8 two ends are connected with the upper end inwall of dedusting cabin 1, the upper end of height adjustment mechanism 9 is connected with translation mechanism 8, the bottom of height adjustment mechanism 9 is connected with purging device 7, purging device 7 can be controlled by translation mechanism 7 to move horizontally all around in the dedusting region of dedusting cabin 1, so that SCR catalyst module comprehensively to be purged. in Fig. 2, the translation mechanism of the present embodiment is arranged along dedusting cabin 1 length direction, control purging device 1 and move purging along cleaner unit 1 length direction, the length direction of purging device 1 is vertical with SCR catalyst block length direction, the length of purging device 1 is not less than the width of SCR catalyst module, concrete, translation mechanism 8 as shown in Figure 3 includes slide rail 8.1, slide 8.2 on slide rail 8.1, the two ends of slide rail 8.1 are connected with dedusting cabin 1 upper end inwall, slide 8.2 is provided with the driving mechanism driving slide 8.2 to slide on slide rail 8.1, driving mechanism includes the motor 8.3 being arranged on slide 8.2, motor 8.3 exports shaft drive, actuating device includes the gear 8.4 being arranged on motor 8.3 outfan, the tooth bar 8.5 engaged with gear 8.4 arranged on slide rail 8.1, motor 8.3 is fixed on the bottom of slide 8.2 with motor cabinet, it is provided with reducing gear between motor 8.3 output shaft and drive mechanism, so that the speed well that slide 8.2 slides, height adjustment mechanism 9 as shown in Figure 4 include being vertically arranged on heighten plate 9.1, under heighten plate 9.2, on heighten plate 9.1 top and be connected with slide 8.2, under heighten plate 9.2 bottom and be connected with purging device 7, on heighten plate 9.1, under heighten plate 9.2 and be slidably matched, on heighten plate 9.1 with under heighten plate 9.2 be provided with to opposite coordinate under heighten the groove of plate 9.2, under heighten plate 9.2 and slide in groove, on heighten plate 9.1, under heighten plate 9.2 and be equipped with the mounting hole cooperated, lock-screw 9.3 it is provided with in mounting hole, lock with lock-screw 9.3 after adjusting height and heighten plate 9.1, under heighten the relative position of plate 9.2, to control the height of purging device 7, the height making purging device 7 coordinates with SCR catalyst module height, purging device 7 is suspended at above SCR catalyst module and is suitable for height, ensure that purging effect can reach to maximize.
As shown in Figure 5, purging device 7 longitudinal section in its longitudinal direction is isosceles trapezoid, the two sides, front and back of purging device 7 tilt to the inside from top to bottom and form the blowing mouth 7.1 to canyon in purging device 7 bottom, both sides, blowing mouth 7.1 place are provided with relative rubber beams aerofoil 7.2, two rubber beams aerofoils 7.2 tilt to install, rubber beams aerofoil 7.2 bottom is close to each other, or rubber beams aerofoil 7.2 is arc, radian is relative, the air-flow flow through is carried out constraint direction, improve wind speed, purging device 7 is provided with air inlet 7.3 near the side of air supply duct 4.1, intake stack 4.1 is connected with air inlet 7.3 with air supply hose, air supply hose is preferably ripple struction, it is easy to stretch and compression, it is easy to ensure that when translation the wind energy that air supply duct 4.1 is sent here gets at purging device 7 and reaches purging device 7, ensure air-supply and the effect purged, the structure of purging device 7 can play the effect of bundle wind pressurization, rubber beams aerofoil 7.2 improves the effect of bundle wind pressurization further, and when regulating the height of purging device 7, rubber beams aerofoil 7.2 plays buffer protection effect, avoiding regulating transition makes purging device 7 and SCR catalyst module collide, avoid damaging, the air-flow that air-introduced machine 4 blasts is after purging device bundle wind pressurizes, the purge air quantity at blowing mouth 7.1 place is 2000-2800m3/ h, purging pressure is 0.1-0.4MPa, the duct of SCR catalyst module is vertical, structure regardless of SCR catalyst module duct is honeycomb fashion, flat, corrugated plate dst or other structures, duct is vertical, and the purging device 7 above SCR catalyst module blows out the mass flow air of 0.1-0.4MPa, it is possible to run through SCR catalyst module duct, the laying dust on duct and surface is blown off downwards, makes laying dust collect bottom dedusting cabin 1.
As shown in Figure 2, collect for the ease of laying dust, the bottom face of dedusting cabin 1 is the crowning of the tapered projection in bottom to dedusting cabin 1, the center in tapered protrusion face is the center of dedusting cabin 1 bottom face, the aspiration of negative pressure unit is the aspiration of negative pressure mouth 5 being arranged on dedusting cabin 1 bottom face center, the aspiration of negative pressure mouth 5 connects feed bin 2 with dust sucting pipeline 5.1, the top of feed bin 2 is provided with roof scrubber 2.1, the bottom of feed bin 2 is inverted cone-shaped structure, feed bin 2 supports with support, bottom inverted cone-shaped structure is provided with material outlet, it is easy to collect laying dust, laying dust is enable to get a proper arrangement, avoid laying dust diffusion pollution environment, roof scrubber 2.1 is connected with vacuum roots blower 3 with air draft pipe, vacuum roots blower 3 is bled generation negative pressure, maximum rate of air sucked in required controls as 2000-2800m3/ h, the negative pressure value at the aspiration of negative pressure mouth 5 place is-300～-500mmHg, Negative Pressure Dust Collecting System hour slip is less than 1%, vacuum roots blower 3 is bled negative pressure, the aspiration of negative pressure mouth 5 is made to be drawn in feed bin 2 by the dust of dedusting cabin 1 congregate by dust sucting pipeline 5.1, dust collects in feed bin 2, and packed with packaging bag by the material outlet discharge of bottom, avoid dust effusion contaminated environment, the air that roof scrubber 2.1 is then pumped into vacuum roots blower 3 from feed bin 2 end carries out dust removal and filtration, ensure to enter the cleaning of vacuum roots blower 3 air, avoid dust to overflow simultaneously, the bottom of dedusting cabin 1 is additionally provided with the dirt unit that shakes, the dirt unit that shakes includes two vibrators 6, vibrator 6 symmetry be arranged on dedusting cabin 1 two bottom sides, preferably, the position of vibrator 6 is corresponding to 1/2nd positions of dedusting cabin 1 bottom face one side, dedusting cabin 1 bottom face is the conical surface, preferably, the angle of vibrator 6 and this place of dedusting cabin 1 bottom face are 90 degree of angles, it is arranged on 1/2nd places that bottom face is unilateral, according to the experience summed up in experiment test and production activity, dust collects on the conical surface of dedusting cabin 1 bottom, when laying dust is extracted out by negative pressure, the dust still having a small amount of part can remain on conical surface inwall, and remain in conical surface center, vibrator 6 is arranged on this place, and be an angle of 90 degrees with this place, the frequency of vibration of vibrator 6 is 60-180 time/min, upper and lower amplitude is 3-8mm, the vibration effect of vibrator 6 can farthest be delivered to dedusting cabin 1 bottom face, obtain maximum dirt effect of shaking, the dust of remaining is shaken and drops down onto the aspiration of negative pressure mouth 5, the aspiration of negative pressure unit can run-in synchronism with the dirt unit that shakes, can also asynchronous operate, purged, when ensureing the aspiration of negative pressure, the dust that unit blows off to be cleaned, avoid dust that SCR catalyst module is carried out secondary pollution. this deashing device is compared and prior art, breach the aspiration of negative pressure mode that tradition is single, adopt in airtight dedusting cabin 1 with mass flow air in SCR catalyst top soot blowing, SCR catalyst bottom the aspiration of negative pressure combines, dedusting cabin bottom mechanical shake dirt auxiliary, dedusting cabin 1, feed bin 2, closed circuit circulatory system between vacuum roots blower 3, more energy-conservation, suitable in all types, specification catalyst, increase substantially the ash-removal effect of SCR catalyst, not only the laying dust on SCR catalyst surface is cleaned out, two and by clean for removing same for the laying dust in duct, the laying dust blown off is by negative pressure sucking-off timely, avoid the dust secondary pollution to SCR catalyst, deashing is more thorough, the follow-up cleaning of SCR catalyst is greatly reduced waste water yield, reduce the cost of reengineer.
The foregoing is only preferred embodiment of the present utility model; not thereby the scope of the claims of the present utility model is limited; every equivalent structure utilizing this utility model description and accompanying drawing content to make or equivalence flow process conversion; or directly or indirectly it is used in other relevant technical fields, all in like manner include in scope of patent protection of the present utility model.
Claims (10)
1. a SCR catalyst module deashing device, it is characterized in that: include dedusting cabin, be arranged on purging unit and being arranged on the aspiration of negative pressure unit bottom dedusting cabin of dedusting cabin inner upper end, the aspiration of negative pressure unit connects the outside feed bin arranged of dedusting cabin, and feed bin, purging unit connect the outside power gas source system arranged of dedusting cabin.
2. a kind of SCR catalyst module deashing device according to claim 1, it is characterized in that: described power gas source system is made up of vacuum roots blower, air-introduced machine, air-introduced machine is connected with purging unit with pipeline, and vacuum roots blower is connected with feed bin with pipeline.
3. a kind of SCR catalyst module deashing device according to claim 1, it is characterised in that: feed bin top is provided with roof scrubber.
4. a kind of SCR catalyst module deashing device according to claim 1, it is characterized in that: bottom described dedusting cabin, be provided with the Turbogrid plates of carrying SCR catalyst module, dedusting cabin bottom is protruding towards dedusting cabin bottom side, the most convex place of bottom face is dedusting cabin bottom face center, dedusting cabin leading flank is provided with door, described the aspiration of negative pressure unit is the aspiration of negative pressure mouth, and the aspiration of negative pressure mouth corresponds to dedusting cabin bottom face center, is additionally provided with the dirt unit that shakes bottom dedusting cabin.
5. a kind of SCR catalyst module deashing device according to claim 4, it is characterised in that: dedusting cabin bottom face is downward tapered protrusion face or downward arc convex face.
6. a kind of SCR catalyst module deashing device according to claim 1, it is characterized in that: described purges the translation mechanism that unit includes purging device, control purging device moves horizontally and the height adjustment mechanism adjusting purging device vertically height, translation mechanism two ends are connected with dedusting cabin upper end inwall, height adjustment mechanism upper end is connected with translation mechanism, and height adjustment mechanism bottom is connected with purging device.
7. a kind of SCR catalyst module deashing device according to claim 6, it is characterized in that: described purging device longitudinal section is isosceles trapezoid, purging device dual-side tilts to the inside from top to bottom and forms the blowing mouth to canyon in purging device bottom, blowing mouth both sides are provided with rubber beams aerofoil, and purging device side is provided with air inlet.
8. a kind of SCR catalyst module deashing device according to claim 6, it is characterized in that: described translation mechanism includes the slide on slide rail, slide rail, slide rail two ends are connected with dedusting cabin upper end inwall, slide is provided with the driving mechanism driving slide to slide on slide rail, described height adjustment mechanism include being vertically arranged on heighten plate, under heighten plate, on heighten plate top and be connected with slide, under heighten plate bottom and be connected with purging device, on heighten plate, under heighten plate and be equipped with the mounting hole cooperated, be provided with lock-screw in mounting hole.
9. a kind of SCR catalyst module deashing device according to claim 8, it is characterized in that: motor that described driving mechanism includes being arranged on slide, the actuating device of motor output shaft, the tooth bar engaged with gear that actuating device includes being arranged on the gear of motor output end, slide rail and arranges.
10. a kind of SCR catalyst module deashing device according to claim 4, it is characterised in that: the described dirt unit that shakes includes multiple vibrator, and multiple vibrators are evenly distributed in dedusting cabin bottom face bottom side.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201521033085.XU CN205308139U (en) | 2015-12-14 | 2015-12-14 | SCR catalyst module ash removal device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201521033085.XU CN205308139U (en) | 2015-12-14 | 2015-12-14 | SCR catalyst module ash removal device |
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| CN205308139U true CN205308139U (en) | 2016-06-15 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
| CN109595575A (en) * | 2018-12-08 | 2019-04-09 | 万天霞 | Full-automatic blowing apparatus for ash for biomass boiler soot blower system |
| CN110038430A (en) * | 2019-05-13 | 2019-07-23 | 宁波连通设备集团有限公司 | A kind of denitrating technique and denitration system |
| CN111468402A (en) * | 2020-05-27 | 2020-07-31 | 吉林烟草工业有限责任公司 | Online purging and dedusting system and control method thereof |
-
2015
- 2015-12-14 CN CN201521033085.XU patent/CN205308139U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105561788A (en) * | 2015-12-14 | 2016-05-11 | 江苏肯创催化剂再生技术有限公司 | SCR (Selective Catalytic Reduction) catalyst module ash cleaning device |
| CN105561788B (en) * | 2015-12-14 | 2018-11-16 | 江苏肯创催化剂再生技术有限公司 | A kind of SCR catalyst module deashing device |
| CN109595575A (en) * | 2018-12-08 | 2019-04-09 | 万天霞 | Full-automatic blowing apparatus for ash for biomass boiler soot blower system |
| CN110038430A (en) * | 2019-05-13 | 2019-07-23 | 宁波连通设备集团有限公司 | A kind of denitrating technique and denitration system |
| CN110038430B (en) * | 2019-05-13 | 2020-05-19 | 宁波连通设备集团有限公司 | Denitration process and denitration system |
| CN111468402A (en) * | 2020-05-27 | 2020-07-31 | 吉林烟草工业有限责任公司 | Online purging and dedusting system and control method thereof |
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Granted publication date: 20160615 Effective date of abandoning: 20181116 |