CN102909134B - Movable polar plate electric dust collector - Google Patents
Movable polar plate electric dust collector Download PDFInfo
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- CN102909134B CN102909134B CN201210446956.5A CN201210446956A CN102909134B CN 102909134 B CN102909134 B CN 102909134B CN 201210446956 A CN201210446956 A CN 201210446956A CN 102909134 B CN102909134 B CN 102909134B
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- pole plate
- dust collecting
- dust
- mobile pole
- dust arrester
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Abstract
The invention provides a movable polar plate electric dust collector which comprises a housing and at least two dust removing devices, wherein the dust removing devices are arranged in airflow direction in sequence; the dust removing device at the final stage is a first movable polar plate dust removing device which comprises a plurality of first dust collecting polar plates, a first driving device driving the first dust collecting polar plates to move, driving rotary brushes in contact with the bottom ends of the first dust collecting polar plates, and a second driving device driving the driving rotary brushes to rotate; at least one of the dust removing devices in front of the first movable polar plate dust removing device is a second movable polar plate dust removing device which comprises a plurality of second dust collecting polar plates, a third driving device driving the second dust collecting polar plates to move and driven rotary brushes; and the driven rotary brushes are in contact the bottom ends of the second dust collecting polar plates and can rotate under the action of the moving of the second dust collecting polar plates. According to the invention, the dust removing efficiency of the movable polar plate electric dust collector can be improved in a limited field.
Description
Technical field
The present invention relates to electrostatic precipitation technology field, more particularly, relate to a kind of Mobile pole plate electric cleaner.
Background technology
Electric cleaner is that a kind of electrostatic force that relies on is to collect the Industrial cleaning facility equipment of dust.The operation principle of traditional electric cleaner is: the high voltage from high voltage source is applied on corona wire, and corona wire produces corona discharge, and forms electric field; Flow through the charged ion that the dust in the flue gas of electric field is produced by corona wire electric discharge; Charged dust, under electric field force effect, is collected on dust collecting pole plate; By the mode of rapping, the dust be collected on dust collecting pole plate is departed from from dust collecting pole plate, then by conveying equipment, the dust separated is transported to appointed place.
For traditional electric cleaner, by the mode of rapping, dust is departed from from dust collecting pole plate, will inevitably cause the secondary fly-up of dust in rapping process, the dust collected is come back in flue gas stream, and the dust fractions of secondary fly-up directly may enter air from electric cleaner outlet.Therefore, adopt rapping mode to clear up dust, cause the clean-up effect of electric precipitation poor.
In order to overcome the dust secondary fly-up problem brought due to rapping mode, adopt Mobile pole plate electric cleaner at present.As shown in Figure 1, Mobile pole plate electric cleaner mainly comprises the housing 11 that bottom is provided with ash bucket 12, be positioned at some dust arresters 13 of housing 11 inside, this dust arrester 13 sets gradually along air flow direction, the dust arrester 13 being positioned at final stage is Mobile pole plate dust arrester 131, this Mobile pole plate dust arrester 131 mainly comprises some dust collecting pole plates, and dust collecting pole plate is loop distribution, be positioned at the corona wire of loop, air-flow passes through in loop, wherein dust collecting pole plate moves along its loop under the driving of drive unit, in the bottom of Mobile pole plate electric cleaner, rotating brush is set, rotating brush is driven to rotate by drive unit, rotating brush brushes totally by moving to the dust that the dust collecting pole plate of bottom is collected, arrow in Fig. 1 represents flue gas flow direction.
The movement of dust collecting pole plate and the rotation of driving rotating brush all need drive unit to realize, and the rear end that drive unit needs to be arranged on every one-level dust arrester 13 (is front with flue gas inflow direction, it is rear for flowing out direction with flue gas), and drive unit needs to take certain space, due to the limited space in electric cleaner between every grade of dust arrester 13, and be subject to the restriction of the whole inner space of electric cleaner, the drive unit of rotating brush and transmission device can only be arranged on the rear end of electric cleaner, then Mobile pole plate dust arrester 131 can only be set at the afterbody of electric cleaner.
Because existing Mobile pole plate electric cleaner only has one-level Mobile pole plate dust arrester 131, in limited space, when existing Mobile pole plate electric cleaner faces and collects difficulty larger situation, the more difficult efficiency of dust collection reaching expection of Mobile pole plate electric cleaner.
In sum, how providing a kind of Mobile pole plate electric cleaner, to improve the efficiency of dust collection of Mobile pole plate electric cleaner in limited space, is current those skilled in the art's problem demanding prompt solution.
Summary of the invention
The object of this invention is to provide a kind of Mobile pole plate electric cleaner, to improve the efficiency of dust collection of Mobile pole plate electric cleaner in limited space.
To achieve these goals, the invention provides following technical scheme:
A kind of Mobile pole plate electric cleaner, comprising: housing; Be positioned at described enclosure interior and the dust arrester be arranged in order along air flow direction, described dust arrester is at least two, the described dust arrester being positioned at final stage is the first Mobile pole plate dust arrester, described first Mobile pole plate dust arrester comprises some first dust collecting pole plates, and each described first dust collecting pole plate is loop distribution, drive described first dust collecting pole plate along the first drive unit of loop movement, the active rotation brush contacted with the bottom of described first dust collecting pole plate, drives the second drive unit that described active rotation brush rotates; It is characterized in that,
The described dust arrester dust arrester described at least one being arranged in described first Mobile pole plate dust arrester front portion is the second Mobile pole plate dust arrester, described second Mobile pole plate dust arrester comprises some second dust collecting pole plates, and each described second dust collecting pole plate is loop distribution, drive described second dust collecting pole plate along the 3rd drive unit of loop movement, contact with the bottom of described second dust collecting pole plate and the driven rotating brush that can rotate with the movement of described second dust collecting pole plate;
Described 3rd drive unit comprises: be positioned at the top of described second dust collecting pole plate and run through the second driving shaft of described second dust collecting pole plate, the bearing of trend of the axis of described second driving shaft is consistent with air flow direction; Be positioned at the bottom of described second dust collecting pole plate and run through the second driven shaft of described second dust collecting pole plate, the bearing of trend of the axis of described second driven shaft is consistent with the bearing of trend of the axis of described second driving shaft; Be arranged at the second drive sprocket of described second both ends of main drive shaft respectively; Be arranged at second driven sprocket at described second driven shaft two ends respectively; Connect the second chain of described second drive sprocket and described second driven sprocket, described second chain is specially two, and lays respectively at the both sides of described second dust collecting pole plate, and is connected with described second dust collecting pole plate; Be connected with described second driving shaft and the 3rd driver part driving described second driving shaft to rotate;
Described second chain is roller sleeve chain, and the sleeve of described roller sleeve chain is Mo-contained alloy sleeve, and the intensity of the intensity of described sleeve and the bearing pin of described roller sleeve chain is all greater than or equal to 950MPa.
Preferably, in above-mentioned Mobile pole plate electric cleaner, described driven rotating brush comprises driven back shaft and is arranged at the driven bristle on described driven back shaft;
This Mobile pole plate electric cleaner also comprises the spring bearing being arranged at described driven back shaft two ends, described spring bearing is connected with described housing, and the moment of friction of described driven back shaft and described spring bearing is less than the moment of friction of described driven bristle and described second dust collecting pole plate.
Preferably, in above-mentioned Mobile pole plate electric cleaner, described spring bearing is specially the sliding bearing of solid lubrication.
Preferably, in above-mentioned Mobile pole plate electric cleaner, first driver part of described first drive unit, described second drive unit and described 3rd driver part are motor, and described first driver part is contrary with the rotation direction of described second drive unit, described first driver part is identical with the rotation direction of described 3rd driver part.
Preferably, above-mentioned Mobile pole plate electric cleaner, also comprises and being connected with the cooling fan of Mobile pole plate electric cleaner, and whether detect described cooling fan out of service, if described cooling fan is out of service, sends the sensor of detection signal;
Be connected with described sensor, and receive detection signal, after receiving detection signal, in Preset Time, control described motor controller out of service.
Preferably, in above-mentioned Mobile pole plate electric cleaner, described motor is specially variable-frequency motor, and the variable frequency range of described variable-frequency motor is 0-100Hz.
Preferably, above-mentioned Mobile pole plate electric cleaner, also comprises and being connected with described variable-frequency motor, detects the moment of torsion of described variable-frequency motor, controls variable-frequency motor frequency-variable controller out of service when moment of torsion is greater than predetermined torque; Described predetermined torque is specially 2 times of the torque value of variable-frequency motor under steady-working state.
Preferably, in above-mentioned Mobile pole plate electric cleaner, described enclosure interior, from the bottom of described second driven sprocket, along the length direction of described second chain, at least has the space of 300mm.
Preferably, in above-mentioned Mobile pole plate electric cleaner, the same die opening of described first Mobile pole plate dust arrester is 450mm, and the same die opening of described second Mobile pole plate dust arrester is 420mm.
Preferably, in above-mentioned Mobile pole plate electric cleaner, described second Mobile pole plate dust arrester is adjacent with described first Mobile pole plate dust arrester, first corona wire of described first Mobile pole plate dust arrester and the second corona wire of described second Mobile pole plate dust arrester are all longer than the 3rd corona wire of the described dust arrester being positioned at described second Mobile pole plate dust arrester front portion, and are at least longer than 1m.
Preferably, in above-mentioned Mobile pole plate electric cleaner, the second corona wire in the first corona wire of described first Mobile pole plate dust arrester and described second Mobile pole plate dust arrester is linear in fried dough twist respectively.
Mobile pole plate electric cleaner provided by the invention, comprise the first Mobile pole plate dust arrester for being positioned at final stage, the first dust collecting pole plate is driven to move along its loop by the first drive unit, the active rotation brush being positioned at the first dust collecting pole plate bottom is driven to rotate by the second drive unit, the dust collected except the first dust collecting pole plate by the rotating brush of active rotation brush; At least one dust arrester being positioned at the first Mobile pole plate dust arrester front portion is the second Mobile pole plate dust arrester, the second dust collecting pole plate is driven to move along its loop by the 3rd drive unit, applying certain thrust to driven rotating brush makes the driven bristle of driven rotating brush produce certain distortion, by the frictional force of driven rotating brush and the second dust collecting pole plate, driven rotating brush is rotated with the motion of the second dust collecting pole plate, stick to dust on the second dust collecting pole plate and then brushed by the compression of driven bristle and resilience.
Mobile pole plate electric cleaner provided by the invention, driven rotating brush is driven to rotate by the mobile of the second dust collecting pole plate, avoid and adopt drive unit to drive driven rotating brush to rotate, thus achieve setting at least two Mobile pole plate dust arresters, be equivalent to add at least one dust arrester in original Mobile pole plate electric cleaner, then in limited space, improve the efficiency of dust collection of this Mobile pole plate electric cleaner.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
The structural representation of the Mobile pole plate electric cleaner that Fig. 1 provides for prior art;
The structural representation of the Mobile pole plate electric cleaner that Fig. 2 provides for the embodiment of the present invention;
Second Mobile pole plate dust arrester of the Mobile pole plate electric cleaner that Fig. 3 provides for the embodiment of the present invention is parallel to the planar structure schematic diagram of air flow direction;
Second Mobile pole plate dust arrester of the Mobile pole plate electric cleaner that Fig. 4 provides for the embodiment of the present invention is perpendicular to the planar structure schematic diagram of air flow direction;
The structural representation of the first Mobile pole plate dust arrester of the Mobile pole plate electric cleaner that Fig. 5 provides for the embodiment of the present invention;
First Mobile pole plate dust arrester of the Mobile pole plate electric cleaner that Fig. 6 provides for the embodiment of the present invention is perpendicular to the planar structure schematic diagram of air flow direction;
The structural representation of corona wire in the Mobile pole plate electric cleaner that Fig. 7 provides for the embodiment of the present invention;
The another kind of structural representation of corona wire in the Mobile pole plate electric cleaner that Fig. 8 provides for the embodiment of the present invention.
In upper Fig. 1-8:
Housing 11, ash bucket 12, dust arrester 13, Mobile pole plate dust arrester 131, housing 21, ash bucket 22, dust arrester 23, first Mobile pole plate dust arrester 231, second Mobile pole plate dust arrester 232, first dust collecting pole plate 2311, first chain 2312, first corona wire 2313, first driver part 2314, first drive sprocket 2315, second drive unit 2316, first driven sprocket 2317, active rotation brush 2318, 3rd driver part 2321, second chain 2322, driven rotating brush 2323, second drive sprocket 2324, second dust collecting pole plate 2325, second corona wire 2326, second driven sprocket 2327.
Detailed description of the invention
Embodiments provide a kind of Mobile pole plate electric cleaner, in limited space, improve the efficiency of dust collection of Mobile pole plate electric cleaner.
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The Mobile pole plate electric cleaner that the embodiment of the present invention provides, comprising: housing 21; Be positioned at housing 21 inside and the dust arrester 23 be arranged in order along air flow direction, this dust arrester 23 is at least two, the dust arrester 23 being positioned at final stage is the first Mobile pole plate dust arrester 231, this the first Mobile pole plate dust arrester 231 comprises some first dust collecting pole plates 2311, and the distribution in loop of each first dust collecting pole plate 2311, drive the first dust collecting pole plate 2311 along the first drive unit of loop movement, the active rotation brush 2318 contacted with the bottom of the first dust collecting pole plate 2311, drives the second drive unit 2316 that active rotation brush 2318 rotates; At least one dust arrester 23 of dust arrester 23 being arranged in the first Mobile pole plate dust arrester 231 front portion is the second Mobile pole plate dust arrester 232, this the second Mobile pole plate dust arrester 232 comprises some second dust collecting pole plates 2325, and the distribution in loop of each second dust collecting pole plate 2325, drive the second dust collecting pole plate 2325 along the 3rd drive unit of loop movement, contact with the bottom of the second dust collecting pole plate 2325 and the driven rotating brush 2323 that can rotate with the movement of the second dust collecting pole plate 2325.
Be front with air-flow inflow direction herein, after with air-flow outflow direction being, as shown in Figure 2, arrow represents air flow direction, the Mobile pole plate electric cleaner that above-described embodiment provides, the non-moving pole plate dust arrester comprising housing 21, first Mobile pole plate dust arrester 231, second Mobile pole plate dust arrester 232 and be positioned at before the second Mobile pole plate dust arrester 232.Wherein, second Mobile pole plate dust arrester 232 is adjacent with the first Mobile pole plate dust arrester 231, housing 21 is provided with air inlet and gas outlet, the effect of housing 21 is the passage and the support dust arrester 23 that form flow of flue gas, and housing 21 mainly comprises air inlet flue, air inlet diffuser, inlet air flow distributing plate, ash bucket 22, top cover, flank wall, exit flow distribution grid, give vent to anger contraction section and flue of giving vent to anger.Non-moving pole plate dust arrester in Fig. 22 altogether, in actual applications, according to complexity and the engineering site condition of dust collection, non-moving pole plate dust arrester is 1-3.
In the Mobile pole plate electric cleaner that above-described embodiment provides, driven rotating brush 2323 is close to the second dust collecting pole plate 2325 surface, need during installation to apply certain thrust (size of thrust is suitable with the gravity of driven rotating brush 2323) to driven rotating brush 2323, ensure that the second dust collecting pole plate 2325 has sufficient frictional force with driven rotating brush 2323, can successfully rotate with the movement of the second dust collecting pole plate 2325 to make driven rotating brush 2323.
The Mobile pole plate electric cleaner that the embodiment of the present invention provides, comprise the first Mobile pole plate dust arrester 231 for being positioned at final stage, the first dust collecting pole plate 2311 is driven to move along its loop by the first drive unit, the active rotation brush 2318 being positioned at the first dust collecting pole plate 2311 bottom is driven to rotate by the second drive unit 2316, the dust collected except the first dust collecting pole plate 2311 by the rotating brush of active rotation brush 2318, at least one dust arrester 23 being positioned at the first Mobile pole plate dust arrester 231 front portion is the second Mobile pole plate dust arrester 232, the second dust collecting pole plate 2325 is driven to move along its loop by the 3rd drive unit, applying certain thrust to driven rotating brush 2323 makes the driven bristle of driven rotating brush 2323 produce certain distortion, by the frictional force of driven rotating brush 2323 and the second dust collecting pole plate 2325, driven rotating brush 2323 is rotated with the motion of the second dust collecting pole plate 2325, stick to dust on the second dust collecting pole plate 2325 then to be brushed by the compression of driven bristle and resilience.
The Mobile pole plate electric cleaner that the embodiment of the present invention provides, driven rotating brush 2323 is driven to rotate by the second dust collecting pole plate 2325, avoid and adopt drive unit to drive driven rotating brush 2323 to rotate, thus achieve setting at least two Mobile pole plate dust arresters, be equivalent to add at least one dust arrester in original Mobile pole plate electric cleaner, then in limited space, improve the efficiency of dust collection of this Mobile pole plate electric cleaner.
Preferably, in the Mobile pole plate electric cleaner that above-described embodiment provides, driven rotating brush 2323 comprises driven back shaft and is arranged at the driven bristle on driven back shaft; This Mobile pole plate electric cleaner also comprises the spring bearing being arranged at driven back shaft two ends, and this spring bearing is connected with housing 21, and the moment of friction of driven back shaft and spring bearing is less than the moment of friction of driven bristle and the second dust collecting pole plate 2325.The Axis Extension direction of driven back shaft is consistent with air flow direction, certainly, driven rotating brush 2323 also supports by miscellaneous part, and realize driven rotating brush 2323 and rotate with the movement of the second dust collecting pole plate 2325, the embodiment of the present invention is not done this and limited particularly.
In the Mobile pole plate electric cleaner that above-described embodiment provides, driven bristle is fixed on driven back shaft by the mode welded or bundle.Preferably, the total length of driven rotating brush 2323 is 3-6m, and wherein the length of active section (being provided with the part of driven bristle) is 2-5m, and the external diameter in the middle part of driven back shaft is 60-100mm, the middle part of driven back shaft is hollow-core construction, and the length of driven bristle is 30-80mm.For ensureing good brush dust effect, driven brush nominal diameter is 0.1-0.5mm, and the planting density of driven bristle on driven back shaft active section should account for the 5-30% of active section area.The two ends of driven back shaft are arranged on respectively and are positioned on spring bearing, and the two ends of driven back shaft are solid, and the external diameter at two ends is less than middle part external diameter, to coordinate with spring bearing.When driven bristle wear, by the position of movable support bearing on housing 21, regulate the position of driven rotating brush 2323, and then ensure the contact of driven bristle and the second dust collecting pole plate 2325.
The coefficient of friction of bearing is approximately 0.001-0.02, the coefficient of friction of such as deep groove ball bearing is about 0.001, and the coefficient of sliding friction between driven bristle (being generally steel bristle) and the second dust collecting pole plate 2325 is approximately 0.2, the coefficient of friction of driven bristle and the second dust collecting pole plate 2325 is obviously greater than the coefficient of friction of spring bearing.When installing driven rotating brush 2323, as long as there are enough thrusts, make it be close to the second dust collecting pole plate 2325 surface, driven rotating brush 2323 just can be made to rotate with the motion of the second dust collecting pole plate 2325.Consider thrust and the factor such as easy to operate, recommend the size of thrust suitable with the gravity of driven rotating brush 2323.When Mobile pole plate electric cleaner works, stick to dust on the second dust collecting pole plate 2325 and then brushed by the compression of driven bristle and resilience.
Preferably, in the Mobile pole plate electric cleaner that above-described embodiment provides, spring bearing is deep groove ball bearing, the sliding bearing of roller bearing units or solid lubrication of usheing to seat.In order to reduce maintenance workload, prioritizing selection spring bearing is the sliding bearing of solid lubrication, concrete, and spring bearing is copper-base graphite sliding bearing.
In the Mobile pole plate electric cleaner that above-described embodiment provides, the structure of active rotation brush 2318 is roughly the same with the structure of driven rotating brush 2323, active rotation brush 2318 comprises initiatively back shaft and the active bristle be arranged on active back shaft, initiatively bristle is fixed on active back shaft by the mode welded or bundle, and the second drive unit 2316 is connected with active back shaft; Wherein, active rotation brush 2318 drives by second drive unit 2316, and also drive by two or more second drive units 2316, the embodiment of the present invention does not limit particularly to this.Initiatively the two ends of back shaft are provided with bearing, and this bearing is arranged on housing 21.
As shown in Figure 3 and Figure 4, in the Mobile pole plate electric cleaner that above-described embodiment provides, 3rd drive unit comprises: be positioned at the top of the second dust collecting pole plate 2325 and run through the second driving shaft of the second dust collecting pole plate 2325, the bearing of trend of the axis of the second driving shaft and air-flow consistent by direction; Be positioned at the bottom of the second dust collecting pole plate 2325 and run through the second driven shaft of the second dust collecting pole plate 2325, the bearing of trend of the axis of the second driven shaft is consistent with the bearing of trend of the axis of the second driving shaft; Be arranged at the second drive sprocket 2324 of the second both ends of main drive shaft respectively; Be arranged at second driven sprocket 2327 at the second driven shaft two ends respectively; The second chain 2322, second chain 2322 connecting the second drive sprocket 2324 and the second driven sprocket 2327 is specially two, and lays respectively at the both sides of the second dust collecting pole plate 2325, and is connected with the second dust collecting pole plate 2325; Be connected with the second driving shaft and the 3rd driver part 2321 driving the second driving shaft to rotate.
In the Mobile pole plate electric cleaner that above-described embodiment provides, first drive unit is roughly the same with the 3rd drive unit, concrete, as shown in Figure 5 and Figure 6, first drive unit comprises: be positioned at the top of the first dust collecting pole plate 2311 and run through the first driving shaft of the first dust collecting pole plate 2311, the bearing of trend of the axis of the first driving shaft and air-flow consistent by direction; Be positioned at the bottom of the first dust collecting pole plate 2311 and run through the first driven shaft of the first dust collecting pole plate 2311, the bearing of trend of the axis of the first driven shaft is consistent with the bearing of trend of the axis of the first driving shaft; Be arranged at the first drive sprocket 2315 of the first both ends of main drive shaft respectively; Be arranged at first driven sprocket 2317 at the first driven shaft two ends respectively; The first chain 2312, first chain 2312 connecting the first drive sprocket 2317 and the first driven sprocket 2317 is specially two, and lays respectively at the both sides of the first dust collecting pole plate 2311, and is connected with the first dust collecting pole plate 2311; Be connected with the first driving shaft and the first driver part 2314 driving the first driving shaft to rotate.
In the Mobile pole plate electric cleaner that above-described embodiment provides, first chain 2312 of prioritizing selection first Mobile pole plate dust arrester 231 and the second chain 2322 of the second Mobile pole plate dust arrester 232 are respectively M80 specification in GB GB8350, and pitch is the chain of 100mm.Profile of tooth and the chain of the first drive sprocket 2315 are supporting, and profile of tooth and the chain of the first driven sprocket 2317 are supporting, and the number of teeth is the sprocket wheel of 14, and the reference diameter of corresponding chain is 449mm.Close chain number has M56 and M112, and chain is number larger, and pulling force is larger, and cost is higher.Close pitch has 80mm and 125mm, and pitch is less, and for the electric field of same same die opening, the number of teeth is larger, and operate more steady, but joint number is also more, cost is higher.Consider based on performance and economy, M80 specification, pitch is the chain of 100mm simultaneously, is the optimum specification of this technology applicable.Certainly, it is mobile that the second dust collecting pole plate 2325 and the first dust collecting pole plate 2311 also can adopt other drive disk assemblies to realize, and such as belt etc., the embodiment of the present invention is not done this and limited particularly.
In order to obtain the chain of stronger wearability, improve the reliability of this Mobile pole plate electric cleaner, in the Mobile pole plate electric cleaner that above-described embodiment provides, second chain 2322 is roller sleeve chain, the sleeve of this roller sleeve chain is Mo-contained alloy sleeve, and the intensity of the intensity of this sleeve and the bearing pin of roller sleeve chain is all greater than or equal to 950MPa.In like manner, the first chain 2312 is also sub-sleeve chain, and the sleeve of this roller sleeve chain is Mo-contained alloy sleeve, and the intensity of the intensity of this sleeve and the bearing pin of roller sleeve chain is all greater than or equal to 950MPa.
Preferably, in the Mobile pole plate electric cleaner that above-described embodiment provides, first driver part 2314, second drive unit 2316 of the first drive unit and the 3rd driver part 2321 are motor, and the first driver part 2314 is contrary with the rotation direction of the second drive unit 2316, the first driver part 2314 is identical with the rotation direction of the 3rd driver part 2321.Namely the direction of motion of active rotation brush 2318 is contrary with the moving direction of the first dust collecting pole plate 2311, and the direction of motion of driven rotating brush 2323 is identical with the moving direction of the second dust collecting pole plate 2325.Wherein, the linear velocity of active rotation brush 2318 is approximately 2 times of the translational speed of the first dust collecting pole plate 2311, and a motor can drive one group of active rotation brush 2318, also can drive many group active rotation brushes 2318.
When general employing motor is as driver part, need to arrange cooling fan to cool motor, in order to protect motor when cooling fan stall, not because of overheated and impaired, the Mobile pole plate electric cleaner that above-described embodiment provides also comprises: be connected with the cooling fan of Mobile pole plate electric cleaner, and whether detect fan out of service, if cooling fan is out of service, send the sensor of detection signal; Be connected with sensor, and receive detection signal, when controlling motor controller out of service in Preset Time again after receiving detection signal.Preferably, Preset Time is 30min.Certainly, Preset Time also can be other values, and the embodiment of the present invention does not limit particularly to this.Replaceable new cooling fan in Preset Time, then controls motor out of service, then restarts motor, ensures that motor is not damaged.
In order to obtain wider adjustment of rotational speed scope, in the Mobile pole plate electric cleaner that above-described embodiment provides, prioritizing selection motor is variable-frequency motor, and the variable frequency range of variable-frequency motor is 0-100Hz.
Break down in order to ensure when dust collecting pole plate moves, moving component can be protected, the Mobile pole plate electric cleaner that above-described embodiment provides also comprises: be connected with variable-frequency motor, detect the moment of torsion of variable-frequency motor, control variable-frequency motor frequency-variable controller out of service when moment of torsion is greater than predetermined torque; Predetermined torque is specially variable-frequency motor 2 times of torque value under steady-working state.Aforementioned stable duty refers to that this Mobile pole plate electric cleaner staff after trial run one week observes the ruuning situation of this Mobile pole plate electric cleaner; torque value when stablizing; obviously; this torque value is less than nominal torque value; prior art generally adopts 2.5 times of nominal torque; compared with prior art, reducing the torque range of variable-frequency motor like this, achieving the protection to running parts.
In the Mobile pole plate electric cleaner that above-described embodiment provides, second chain 2322 can be worn after the operation long period, cause the overall length of the second chain 2322 elongated, in order to ensure that the second chain 2322 can also be in free overhang after being worn, in the Mobile pole plate electric cleaner that above-described embodiment provides, housing 21 inside, from the bottom of the second driven sprocket 2327, along the length direction of the second chain 2322, at least has the space of 300mm.The length direction of the second chain 2322 refers to the length direction of loop chain herein, is also the moving direction of the second dust collecting pole plate 2325.Certainly, first chain 2312 also can be worn after the operation long period, cause the overall length of the first chain 2312 elongated, in order to ensure that the first chain 2312 can also be in free overhang after being worn, housing 21 inside is from the bottom of the first driven sprocket 2317, along the length direction of the first chain 2312, at least there is the space of 300mm.
450-460mm is generally with die opening in current dust arrester 23, because same die opening is less, more easily collecting is to the dust of larger particles, in order to improve the efficiency of dust collection of Mobile pole plate electric cleaner further, in the Mobile pole plate electric cleaner that above-described embodiment provides, the same die opening of the first Mobile pole plate dust arrester 231 is 450mm, the same die opening of the second Mobile pole plate dust arrester 232 is 420mm, the spacing of two namely adjacent the first dust collecting pole plates 2311 is 450mm, the spacing of two adjacent the second dust collecting pole plates 2325 is 420mm, the spacing of two adjacent the first corona wires 2313 is 450mm, the spacing of two adjacent the second corona wires 2326 is 420mm.By reducing the same die opening in the second Mobile pole plate dust arrester 232, enhance the collection to larger particles dust, and then improve the efficiency of dust collection of this Mobile pole plate electric cleaner.Certainly, the same die opening in the first Mobile pole plate dust arrester 231 and the second Mobile pole plate dust arrester 232 also can be other values, and the embodiment of the present invention does not limit particularly to this.
In order to improve the efficiency of dust collection of Mobile pole plate electric cleaner further, in the Mobile pole plate electric cleaner that above-described embodiment provides, second Mobile pole plate dust arrester 232 is adjacent with the first Mobile pole plate dust arrester 231, the second corona wire 2326 in first corona wire 2313 of the first Mobile pole plate dust arrester 231 and the second Mobile pole plate dust arrester 232 is all longer than the 3rd corona wire of the dust arrester 23 being positioned at the second Mobile pole plate dust arrester 232 front end, and be at least longer than 1m, namely the first corona wire 2313 and the second corona wire 2326 are longer than the 3rd corona wire 1m respectively.Directly can be discharged from the top of corona wire owing to there is part dust, so increase the length of the first corona wire 2313 and the second corona wire 2326, decrease the Dust Capacity of directly discharging housing 21 from housing 21 top, thus improve the efficiency of dust collection of Mobile pole plate electric cleaner.
The uniformity of plate current density is improved in order to the electric current that reduces between pole plate, corona wire uses the line style of line electric discharge type, preferably, the second corona wire 2326 in first corona wire 2313 of the first Mobile pole plate dust arrester 231 and the second Mobile pole plate dust arrester 232 is linear in fried dough twist respectively, as shown in Figure 7.First corona wire 2313 and/or the second corona wire 2326 also can be astroid, as shown in Figure 8, certainly, also the corona wire of an electric discharge type can be used, just this corona wire makes the electric current between pole plate larger, current density is more uneven, and the shape of the embodiment of the present invention to corona wire does not limit particularly.
In order to ensure that above-mentioned Mobile pole plate electric cleaner has better security, first initiatively back shaft and second initiatively back shaft all by fatigue design, and projected life be infinite life.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.
Claims (11)
1. a Mobile pole plate electric cleaner, comprising: housing; Be positioned at described enclosure interior and the dust arrester be arranged in order along air flow direction, described dust arrester is at least two, the described dust arrester being positioned at final stage is the first Mobile pole plate dust arrester, described first Mobile pole plate dust arrester comprises some first dust collecting pole plates, and each described first dust collecting pole plate is loop distribution, drive described first dust collecting pole plate along the first drive unit of loop movement, the active rotation brush contacted with the bottom of described first dust collecting pole plate, drives the second drive unit that described active rotation brush rotates; It is characterized in that,
The described dust arrester dust arrester described at least one being arranged in described first Mobile pole plate dust arrester front portion is the second Mobile pole plate dust arrester, described second Mobile pole plate dust arrester comprises some second dust collecting pole plates, and each described second dust collecting pole plate is loop distribution, drive described second dust collecting pole plate along the 3rd drive unit of loop movement, contact with the bottom of described second dust collecting pole plate and the driven rotating brush that can rotate with the movement of described second dust collecting pole plate;
Described 3rd drive unit comprises: be positioned at the top of described second dust collecting pole plate and run through the second driving shaft of described second dust collecting pole plate, the bearing of trend of the axis of described second driving shaft is consistent with air flow direction; Be positioned at the bottom of described second dust collecting pole plate and run through the second driven shaft of described second dust collecting pole plate, the bearing of trend of the axis of described second driven shaft is consistent with the bearing of trend of the axis of described second driving shaft; Be arranged at the second drive sprocket of described second both ends of main drive shaft respectively; Be arranged at second driven sprocket at described second driven shaft two ends respectively; Connect the second chain of described second drive sprocket and described second driven sprocket, described second chain is specially two, and lays respectively at the both sides of described second dust collecting pole plate, and is connected with described second dust collecting pole plate; Be connected with described second driving shaft and the 3rd driver part driving described second driving shaft to rotate;
Described second chain is roller sleeve chain, and the sleeve of described roller sleeve chain is Mo-contained alloy sleeve, and the intensity of the intensity of described sleeve and the bearing pin of described roller sleeve chain is all greater than or equal to 950MPa.
2. Mobile pole plate electric cleaner according to claim 1, is characterized in that, described driven rotating brush comprises driven back shaft and is arranged at the driven bristle on described driven back shaft;
This Mobile pole plate electric cleaner also comprises the spring bearing being arranged at described driven back shaft two ends, described spring bearing is connected with described housing, and the moment of friction of described driven back shaft and described spring bearing is less than the moment of friction of described driven bristle and described second dust collecting pole plate.
3. Mobile pole plate electric cleaner according to claim 2, is characterized in that, described spring bearing is specially the sliding bearing of solid lubrication.
4. Mobile pole plate electric cleaner according to claim 1, it is characterized in that, first driver part of described first drive unit, described second drive unit and described 3rd driver part are motor, and described first driver part is contrary with the rotation direction of described second drive unit, described first driver part is identical with the rotation direction of described 3rd driver part.
5. Mobile pole plate electric cleaner according to claim 4, is characterized in that, also comprise:
Be connected with the cooling fan of Mobile pole plate electric cleaner, and whether detect described cooling fan out of service, if described cooling fan is out of service, send the sensor of detection signal;
Be connected with described sensor, and receive detection signal, after receiving detection signal, in Preset Time, control described motor controller out of service.
6. Mobile pole plate electric cleaner according to claim 4, is characterized in that, described motor is specially variable-frequency motor, and the variable frequency range of described variable-frequency motor is 0-100Hz.
7. Mobile pole plate electric cleaner according to claim 6, is characterized in that, also comprises and being connected with described variable-frequency motor, detects the moment of torsion of described variable-frequency motor, controls variable-frequency motor frequency-variable controller out of service when moment of torsion is greater than predetermined torque; Described predetermined torque is specially 2 times of the torque value of variable-frequency motor under steady-working state.
8. Mobile pole plate electric cleaner according to claim 1, is characterized in that, described enclosure interior, from the bottom of described second driven sprocket, along the length direction of described second chain, at least has the space of 300mm.
9. Mobile pole plate electric cleaner according to claim 1, is characterized in that, the same die opening of described first Mobile pole plate dust arrester is 450mm, and the same die opening of described second Mobile pole plate dust arrester is 420mm.
10. Mobile pole plate electric cleaner according to claim 1, it is characterized in that, described second Mobile pole plate dust arrester is adjacent with described first Mobile pole plate dust arrester, first corona wire of described first Mobile pole plate dust arrester and the second corona wire of described second Mobile pole plate dust arrester are all longer than the 3rd corona wire of the described dust arrester being positioned at described second Mobile pole plate dust arrester front portion, and are at least longer than 1m.
11., according to the Mobile pole plate electric cleaner in claim 1-10 described in any one, is characterized in that, the second corona wire in the first corona wire of described first Mobile pole plate dust arrester and described second Mobile pole plate dust arrester is linear in fried dough twist respectively.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210446956.5A CN102909134B (en) | 2012-11-09 | 2012-11-09 | Movable polar plate electric dust collector |
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| CN201210446956.5A CN102909134B (en) | 2012-11-09 | 2012-11-09 | Movable polar plate electric dust collector |
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| CN102909134A CN102909134A (en) | 2013-02-06 |
| CN102909134B true CN102909134B (en) | 2015-06-17 |
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| CN103611629B (en) * | 2013-12-04 | 2017-01-04 | 绵阳工物联合科技有限公司 | A kind of dual AC power polar plate electric dust collector |
| CN103586134B (en) * | 2013-12-04 | 2016-06-01 | 绵阳工物联合科技有限公司 | The traveling electrode fly-ash separator of a kind of Tape movement bearing support |
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