CN102896046A - Cathode system of cantilever beam structure of electric dust remover - Google Patents
Cathode system of cantilever beam structure of electric dust remover Download PDFInfo
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- CN102896046A CN102896046A CN2012104429233A CN201210442923A CN102896046A CN 102896046 A CN102896046 A CN 102896046A CN 2012104429233 A CN2012104429233 A CN 2012104429233A CN 201210442923 A CN201210442923 A CN 201210442923A CN 102896046 A CN102896046 A CN 102896046A
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Abstract
The invention discloses a cathode system of a cantilever beam structure of an electric dust remover, comprising a vibrating structure, a hanging beam, anvil beams and a cathode framework, wherein a lower vibration rod of the vibrating structure is located in a sleeve of a suspending rod assembly; the hanging beam is mounted at the lower end of the suspending rod assembly; the anvil beams are mounted at the lower end of the lower vibration rod; mounting points are located in the middles of the anvil beams; a plurality of cathode frameworks are distributed on bottom plates of the anvil beams; two connecting structures are arranged between each anvil beam and the hanging beam; the outer side of each connecting structure of the anvil beam is provided with at least one cathode framework; and the two connecting structures at the outermost side of the hanging beam are located at the two ends of the hanging beam. In actual use, each vibrating structure of the electric dust remover with the structure can increase the quantity of the managed cathode frameworks; when the quantity of channels of an electric field is more, namely the quantity of the cathode frameworks is more, the quantity of the vibrating structure can be greatly reduced; and correspondingly, the quantity of other devices which are matched with the vibrating structure can be reduced, the distribution difficulty of the whole system is reduced, the cost is reduced and the energy consumption is saved.
Description
Technical field
The present invention relates to the electric cleaner technical field, particularly relate to a kind of electric cleaner cantilever beam structures cathod system.
Background technology
A common rapping structure is administered the deashing of many Pin cathode frame, and as shown in Figure 1, Fig. 1 is the structural representation of a kind of typical cathode of electric dust collector system.
The cathode of electric dust collector system comprises rapping structure, hanging beam 12', anvil beam 14' and cathode frame 15'; The rapping structure comprises vibrator 1', upper vibrating rod 2', tapered sleeve 3', shaft insulation 4', fastening and sealing nut 5', insulator cover plate 6', insulator 7', lower vibrating rod 8', dust cover 9', top plate supporting structure 10' and suspending rod assembly 11' etc. from top to bottom successively; Cathode frame 15' is welded on the base plate of anvil beam 14', and anvil beam 14' middle part is connected with lower vibrating rod 8', and hanging beam 12' is installed on the suspending rod assembly 11', and suspending rod assembly 11' is supported on the cover plate 6' of insulator 7'; Has syndeton 13' between the end of anvil beam 14' and hanging beam 12'.
In the prior art, every anvil beam below hangs the cathode frame 15' that is no more than ten Pin, and each rapping structure is the deashing of administration nine Pin cathode frame 15' at most.In the course of the work, each insulator 7' all needs to arrange electric heater.
Please refer to Fig. 2 and Fig. 3, Fig. 2 is the schematic diagram of a kind of concrete arrangement of cathode of electric dust collector system shown in Figure 1; Fig. 3 is the another kind of specifically schematic diagram of arrangement of cathode of electric dust collector system shown in Figure 1.
As shown in Figure 2, it is cathode frame 15' when being 23 Pin that the electric field passage is 23, and for intensity and degree of the disturbing calculated value that guarantees anvil beam 14', hanging beam 12' can meet the demands, and minimum vibration acceleration value also can meet the demands on the cathode line, needs to arrange three rapping structures; As shown in Figure 3, it is cathode frame 15' when being 40 Pin that the electric field passage is 40, and for intensity and degree of the disturbing calculated value that guarantees anvil beam 14', hanging beam 12' can meet the demands, and minimum vibration acceleration value also can meet the demands on the cathode line, needs to arrange five rapping structures.
Generally speaking, four supporting electric field electric cleaners of every stove of 600 megawatt units have more than 100 rapping structure, and four supporting electric field electric cleaners of every stove of 1000 megawatt units have more than 200 rapping structure.When the quantity of rapping structure was more, whole cost was higher, and its top structure is arranged more complicated.
Therefore, how enlarging the compass of competency of rapping structure, reduce the quantity of rapping structure in the cathode of electric dust collector system, is that those skilled in the art are badly in need of the technical problem that solves at present.
Summary of the invention
The purpose of this invention is to provide a kind of electric cleaner cantilever beam structures cathod system, this electric cleaner cantilever beam structures cathod system can be administered more cathode frame.
In order to realize above-mentioned technical purpose, the invention provides a kind of electric cleaner cantilever beam structures cathod system, comprise rapping structure, hanging beam, anvil beam and cathode frame; The lower vibrating rod of described rapping structure is arranged in the sleeve pipe of suspending rod assembly, and described hanging beam is installed in described suspending rod assembly lower end, and described anvil beam is installed in described lower vibrating rod lower end, and described anvil beam is parallel with described hanging beam and be positioned at described hanging beam below; The described cathode frame of many Pin is distributed on the base plate of described anvil beam; Have two place's syndetons between each described anvil beam and the described hanging beam, every place of described anvil beam is stated the syndeton outside and is all had at least one Pin cathode frame; Outermost two the described syndetons of described hanging beam are positioned at the two ends of described hanging beam.
Preferably, described syndeton comprises the boatswain chair of described hanging beam and the suspension pin plate of described anvil beam, and described boatswain chair links to each other with described suspension pin plate, has the described cathode frame of at least one Pin between the outside of each described suspension pin plate and the described anvil beam end.
Preferably, described syndeton has two boatswain chairs, and the upper end of two described boatswain chairs is fixedly connected with the web of described hanging beam both sides respectively, and the lower end all has installing hole; Described anvil beam is between the lower end of two described boatswain chairs, and the web of described anvil beam has through hole, and the suspension pin of described suspension pin plate passes described through hole and described installing hole.
Preferably, described syndeton also comprises fixed head, and the suspension plate of described fixed head and described suspension pin plate lays respectively at the outside of two described boatswain chairs, and described suspension plate and described fixed head are passed respectively in the two ends of the suspension pin of described suspension pin plate.
Preferably, every described hanging beam connects at least two described rapping structures, and each described rapping structure connects a described anvil beam by described hanging beam.
Preferably, the described cathode frame of many Pin is evenly distributed on the base plate of described anvil beam.
Electric cleaner cantilever beam structures cathod system provided by the invention comprises rapping structure, hanging beam, anvil beam and cathode frame; The lower vibrating rod of rapping structure is arranged in the sleeve pipe of suspending rod assembly, and hanging beam is installed in suspending rod assembly lower end, and the anvil beam is installed in lower vibrating rod lower end, and the anvil beam is parallel with hanging beam and be positioned at below the hanging beam; Many Pin cathode frame is distributed on the base plate of anvil beam; Have two place's syndetons between each anvil beam and the hanging beam, the syndeton outside, every place of anvil beam all has at least one Pin cathode frame; Outermost two syndetons of hanging beam are positioned at the two ends of hanging beam.
The syndeton outside, every place of anvil beam all has at least one Pin cathode frame, two place's syndetons are arranged between hanging beam and the anvil beam, the cathode frame that then is connected with anvil beam base plate both had been positioned at the inboard of two place's syndetons, also be positioned at the outside of two place's syndetons, each rapping structure can arrange at least two Pin cathode frames more, and then each electric cleaner cantilever beam structures cathod system can multitube linchpin at least two Pin cathode frames.In the use of reality, the quantity of cathode frame is more, each rapping structure can increase the quantity of the cathode frame of administering, then can greatly reduce the quantity of rapping structure, the corresponding quantity that also can reduce other devices that use with the rapping respective outer side edges, reduce the layout difficulty of whole system, reduce cost, energy efficient.
Concrete, syndeton comprises the boatswain chair of hanging beam and the suspension pin plate of anvil beam, boatswain chair links to each other with the suspension pin plate, all has at least one Pin cathode frame between the end of suspension pin plate and anvil beam.
Syndeton comprises two boatswain chairs, and the upper end of two boatswain chairs is fixedly connected with the web of hanging beam both sides respectively, and the lower end of two boatswain chairs all has installing hole; The anvil beam is between the lower end of two boatswain chairs, and the web of anvil beam has through hole, and the suspension pin that hangs pin plate passes through hole and installing hole.
Syndeton can also comprise fixed head, and the suspension plate of fixed head and suspension pin plate lays respectively at the outside of two boatswain chairs, hangs the two ends of pin and passes respectively suspension plate and fixed head, with the reliability of reinforced company's connecting structure connection.
In a kind of preferred mode, hanging beam connects at least two rapping structures, and each rapping structure connects an anvil beam by hanging beam.
Description of drawings
Fig. 1 is the structural representation of a kind of typical cathode of electric dust collector system;
Fig. 2 is the schematic diagram of a kind of concrete arrangement of cathode of electric dust collector system shown in Figure 1;
Fig. 3 is the another kind of specifically schematic diagram of arrangement of cathode of electric dust collector system shown in Figure 1;
Fig. 4 is the structural representation of a kind of specific embodiment of electric cleaner cantilever beam structures cathod system provided by the present invention;
Fig. 5 is the cutaway view of the syndeton of electric cleaner cantilever beam structures cathod system shown in Figure 4;
Fig. 6 is the schematic diagram of a kind of concrete arrangement of electric cleaner cantilever beam structures cathod system shown in Figure 4;
Fig. 7 is the another kind of specifically schematic diagram of arrangement of electric cleaner cantilever beam structures cathod system shown in Figure 4;
Fig. 8 is the schematic cross-section of BE template of the positive plate of electric cleaner;
Fig. 9 is the schematic cross-section of C template of the positive plate of electric cleaner;
Figure 10 is the structural representation of acupuncture line cathode line of the cathode frame of electric cleaner;
Figure 11 is the structural representation of waveform line style cathode line of the cathode frame of electric cleaner.
Wherein, the Reference numeral among Fig. 1 to Fig. 3 is as follows:
Vibrator 1'; Upper vibrating rod 2'; Tapered sleeve 3'; Shaft insulation 4'; Fastening and sealing nut 5'; Insulator cover plate 6'; Insulator 7'; Lower vibrating rod 8'; Dust cover 9'; Top plate supporting structure 10'; Suspending rod assembly 11'; Hanging beam 12'; Syndeton 13'; Anvil beam 14'; Cathode frame 15'.
Wherein, the Reference numeral among Fig. 4 to Fig. 7 is as follows:
Rapping structure 1; Suspending rod assembly 12; Lower vibrating rod 13; Hanging beam 2; Anvil beam 3; Cathode frame 4; Syndeton 5; Fixed head 51; Boatswain chair 52; Hang pin plate 53.
Wherein, the Reference numeral among Fig. 8 to Figure 11 is as follows:
The specific embodiment
Core of the present invention provides a kind of electric cleaner cantilever beam structures cathod system, and this electric cleaner cantilever beam structures cathod system can be administered more cathode frame.
In order to make those skilled in the art person understand better the present invention program, the present invention is described in further detail below in conjunction with the drawings and specific embodiments.
Please refer to Fig. 4, Fig. 4 is the structural representation of a kind of specific embodiment of electric cleaner cantilever beam structures cathod system provided by the present invention.
In a kind of concrete embodiment, the invention provides a kind of electric cleaner cantilever beam structures cathod system, comprise rapping structure 1, hanging beam 2, anvil beam 3 and cathode frame 4; The lower vibrating rod 13 of rapping structure 1 is arranged in the sleeve pipe of suspending rod assembly 12, and hanging beam 2 is installed in suspending rod assembly 12 lower ends, and anvil beam 3 is installed in lower vibrating rod 13 lower ends, and anvil beam 3 and hanging beam 2 are parallel and be positioned at hanging beam 2 belows; The described cathode frame 4 of many Pin is distributed on the base plate of anvil beam 3; Have two place's syndetons 5 between each anvil beam 3 and the hanging beam 2, syndeton 5 outsides, every place of anvil beam 3 all have at least one Pin cathode frame 4; Hanging beam 2 outermost two syndetons 5 are positioned at the two ends of hanging beam 2.
Every hanging beam 2 has the above point of suspension at least two places or two places, and each point of suspension is supported on the insulator cover plate by suspending rod assembly 12; Anvil beam 3 is positioned at the below of hanging beam 2, is arranged in parallel with it, and each point of suspension arranges an anvil beam 3, has two place's syndetons 5 between each anvil beam 3 and the hanging beam 2.The cathode frame 4 that is connected with anvil beam 3 base plates can both be positioned at the inboard of two syndetons 5, was positioned at again the outside of two syndetons 5.Usually, many Pin cathode frame 4 is evenly distributed on the base plate of anvil beam 3.
The outside of each syndeton 5 can arrange a Pin cathode frame 4 at least, and each rapping structure 1 can arrange at least two Pin cathode frames 4 more, and then each electric cleaner cantilever beam structures cathod system can multitube linchpin at least two Pin cathode frames 4.
In actual use, the quantity of cathode frame 4 is more, if each rapping structure 1 can increase the quantity of the cathode frame 4 of administering, then can greatly reduce the quantity of rapping structure 1, reduces cost.The corresponding quantity that also can reduce other devices that are used with rapping structure 1, for example, the electric heater of insulator, the low voltage control of vibrator etc., thus the layout difficulty of whole system reduced, energy savings simultaneously.
Cantilever one side at anvil beam 3 two ends can arrange at least one Pin cathode frame 4, do not change the sectional dimension of rapping structure 1, hanging beam 2 and anvil beam 3, in the intensity and amount of deflection that satisfy hanging beam 2 and anvil beam 3, minimum vibration acceleration satisfies industry standard on the cathode line of assurance cathode frame 4, the distribution of vibration acceleration is more even on the cathode line of the cathode frame 4 of each rapping structure 1 administration, and its relative root-mean-square deviation also can satisfy industry standard.
Concrete, syndeton 5 comprises the boatswain chair 52 of hanging beam 2 and the suspension pin plate 53 of anvil beam 3, boatswain chair 52 links to each other with suspension pin plate 53, all has at least one Pin cathode frame 4 between the outside of each suspension pin plate 53 and anvil beam 3 ends.
Hang pin plate 53 and comprise a suspension plate and a suspension pin, an end that hangs pin passes suspension plate, and the two can be fixedly connected with, also can be for removably connecting.
Please refer to Fig. 5, Fig. 5 is the cutaway view of the syndeton of electric cleaner cantilever beam structures cathod system shown in Figure 4.
Further in the concrete embodiment, the upper end that syndeton 5 has 52, two boatswain chairs 52 of two boatswain chairs is fixedly connected with the web of hanging beam 2 both sides respectively, and the lower end all has installing hole; Anvil beam 3 is between the lower end of two boatswain chairs 52, and the web of anvil beam 3 has through hole, and the suspension pin 53 that hangs pin plate passes through hole and installing hole.
The upper end of two boatswain chairs 52 can be welded on respectively on the web of hanging beam 2 both sides, hangs pin plate 53 cathode frame 4 is suspended on the anvil beam 3.
Concrete, syndeton 5 can also comprise fixed head 51, the suspension plate of fixed head 51 and suspension pin plate 53 lays respectively at the outside of two boatswain chairs 52, hangs the two ends of pin 53 and passes respectively suspension plate and fixed head 51, the reliability that reinforced company's connecting structure 5 connects.
A kind of preferred embodiment in, every hanging beam 2 connects at least two rapping structures 1, each rapping structure 1 connects an anvil beam 3 by hanging beam 2.
In a kind of concrete mode, two rapping structures 1 connect two anvil beams 3 by a hanging beam 2, and every anvil beam 3 has two place's syndetons 5, and wherein place's syndeton 5 is positioned at the end of hanging beam 2.
In the another kind of concrete mode, three rapping structures 1 connect three anvil beams 3 by a hanging beam 2.Every anvil beam 3 has two place's syndetons 5, and then this hanging beam 2 has six syndetons 5, and wherein, outermost two syndetons 5 lay respectively at the two ends of hanging beam 2.
When the quantity of the cathode frame 4 that hangs when anvil beam 3 was even number, cathode frame 4 was symmetrical with respect to rapping structure 1, and two place's syndetons 5 of anvil beam 3 are also with respect to rapping structure 1 symmetry; When the quantity of the cathode frame 4 that hangs when anvil beam 3 was odd number, a side of rapping structure 1 manyed suspension one Pin cathode frame 4, two place's syndetons 5 than opposite side and differs a Pin cathode frame 4 to the distance of rapping structure 1.
Please refer to Fig. 8 to Figure 11, Fig. 8 is the schematic cross-section of BE template of the positive plate of electric cleaner, Fig. 9 is the schematic cross-section of C template of the positive plate of electric cleaner, Figure 10 is the structural representation of acupuncture line cathode line of the cathode frame of electric cleaner, and Figure 11 is the structural representation of waveform line style cathode line of the cathode frame of electric cleaner.
The every row of the positive plate of electric cleaner can be by 3,4 or 5 pole plate group rows, and positive plate mainly adopts BE template 61 or C template 62, its sectional view such as Fig. 8 and shown in Figure 9.The cathode line of cathode frame mainly adopts acupuncture line 71 or wavy line 72, and its structure chart as shown in Figure 10 and Figure 11.Certainly, the structure of positive plate and cathode line not only is confined to above-mentioned situation.
Electric cleaner cantilever beam structures cathod system among the present invention adopts 12 Pin cathode frames at 15 meters cathode rapping test stands, joins respectively 10 cathode line of BE5 piece plate, 8 cathode line of BE4 piece plate are tested, and vibration acceleration result of the test situation sees the following form:
Judging basis industry standard JB/T11267 " top electromagnetic hammer rapping electric cleaner ", adopt following two indexs to pass judgment on:
1) the minimum vibration acceleration value of top rapping mode requirement, minimum vibration acceleration is not less than 50g(1g=9.81m/s2 on the cathode line);
2) vibration acceleration distributing homogeneity is with relative root-mean-square deviation σ
rσ is worked as in expression
r≤ 0.40 o'clock, then distributing homogeneity met the requirements.
Through overtesting, vibration acceleration minimum of a value and distributing homogeneity all can satisfy the industry standard requirement on the cathode line of this structure.
Please refer to Fig. 6 and Fig. 7, Fig. 6 is the schematic diagram of a kind of concrete arrangement of electric cleaner cantilever beam structures cathod system shown in Figure 4, and Fig. 7 is the schematic diagram of the another kind of concrete arrangement of electric cleaner cantilever beam structures cathod system shown in Figure 4.
As shown in Figure 6, when cathode frame 4 is 23 Pin, according to technical scheme of the present invention, under the constant condition of the sectional dimension of existing anvil beam 3, hanging beam 2, the intensity and degree of the disturbing calculated value that guarantee anvil beam 3, hanging beam 2 can meet the demands, and minimum vibration acceleration value also can meet the demands on the cathode line, arranges that two rapping structures 1 get final product.
As shown in Figure 7, when cathode frame 4 is 40 Pin, according to technical scheme of the present invention, under the constant condition of the sectional dimension of existing anvil beam 3, hanging beam 2, the intensity and degree of the disturbing calculated value that guarantee anvil beam 3, hanging beam 2 can meet the demands, and minimum vibration acceleration value also can meet the demands on the cathode line, arranges that four rapping structures 1 get final product.
Compared with prior art, above-mentioned two kinds of arrangements, rapping structure 1 reduces respectively 33% and 20%, in the application of reality, can reduce in a large number the quantity of rapping structure 1, and system is oversimplified, and reduces cost, energy efficient.
More than electric cleaner cantilever beam structures cathod system provided by the present invention is described in detail.Used concrete case herein principle of the present invention and embodiment are set forth, the explanation of above embodiment just is used for helping to understand method of the present invention and core concept thereof.Should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention, can also carry out some improvement and modification to the present invention, these improvement and modification also fall in the protection domain of claim of the present invention.
Claims (6)
1. an electric cleaner cantilever beam structures cathod system comprises rapping structure (1), hanging beam (2), anvil beam (3) and cathode frame (4); The lower vibrating rod (13) of described rapping structure (1) is arranged in the sleeve pipe of suspending rod assembly (12), described hanging beam (2) is installed in described suspending rod assembly (12) lower end, described anvil beam (3) is installed in described lower vibrating rod (13) lower end, and described anvil beam (3) is parallel with described hanging beam (2) and be positioned at described hanging beam (2) below; The described cathode frame of many Pin (4) is distributed on the base plate of described anvil beam (3); It is characterized in that having two place's syndetons (5) between each described anvil beam (3) and the described hanging beam (2), every place of described anvil beam (3) is stated syndeton (5) outside and is all had at least one Pin cathode frame (4); Outermost two the described syndetons of described hanging beam (2) (5) are positioned at the two ends of described hanging beam (2).
2. electric cleaner cantilever beam structures cathod system as claimed in claim 1, it is characterized in that, described syndeton (5) comprises the boatswain chair (52) of described hanging beam (2) and the suspension pin plate (53) of described anvil beam (3), described boatswain chair (52) links to each other with described suspension pin plate (53), has the described cathode frame of at least one Pin (4) between the outside of each described suspension pin plate (53) and described anvil beam (3) end.
3. electric cleaner cantilever beam structures cathod system as claimed in claim 2, it is characterized in that, described syndeton (5) has two boatswain chairs (52), and the upper end of two described boatswain chairs (52) is fixedly connected with the web of described hanging beam (2) both sides respectively, and the lower end all has installing hole; Described anvil beam (3) is positioned between the lower end of two described boatswain chairs (52), and the web of described anvil beam (3) has through hole, and the suspension pin of described suspension pin plate (53) passes described through hole and described installing hole.
4. electric cleaner cantilever beam structures cathod system as claimed in claim 3, it is characterized in that, described syndeton (5) also comprises fixed head (51), the suspension plate of described fixed head (51) and described suspension pin plate (53) lays respectively at the outside of two described boatswain chairs (52), and described suspension plate and described fixed head (51) are passed respectively in the two ends of the suspension pin of described suspension pin plate (53).
5. such as each described electric cleaner cantilever beam structures cathod system of claim 2 to 4, it is characterized in that, every described hanging beam (2) connects at least two described rapping structures (1), and each described rapping structure (1) connects a described anvil beam (3) by described hanging beam (2).
6. such as each described electric cleaner cantilever beam structures cathod system of claim 1 to 4, it is characterized in that the described cathode frame of many Pin (4) is evenly distributed on the base plate of described anvil beam (3).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210442923.3A CN102896046B (en) | 2012-11-07 | 2012-11-07 | A kind of Cathode system of cantilever beam structure of electric dust remover |
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| CN201210442923.3A CN102896046B (en) | 2012-11-07 | 2012-11-07 | A kind of Cathode system of cantilever beam structure of electric dust remover |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104249024A (en) * | 2013-06-26 | 2014-12-31 | 上海冶金矿山机械厂 | Fixing structure for anode plate in electric deduster |
| CN105772223A (en) * | 2016-05-12 | 2016-07-20 | 海宁国能中电节能环保设备技术有限公司 | Lifting rod assembly structure for pipe type wet electric dust remover |
| CN106861917A (en) * | 2017-04-18 | 2017-06-20 | 艾尼科环保技术(安徽)有限公司 | Electrostatic dust collector cathode rapping apparatus is made on one kind top |
| CN106955789A (en) * | 2017-05-25 | 2017-07-18 | 安徽意义环保设备有限公司 | A kind of electric cleaner of combined type automatic ash removing |
| CN106975571A (en) * | 2017-05-25 | 2017-07-25 | 安徽意义环保设备有限公司 | It is a kind of can be with the electric cleaner of automatic ash removing |
| CN106975572A (en) * | 2017-05-25 | 2017-07-25 | 安徽意义环保设备有限公司 | A kind of cathode hanger of electric dust collector system |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104249024A (en) * | 2013-06-26 | 2014-12-31 | 上海冶金矿山机械厂 | Fixing structure for anode plate in electric deduster |
| CN105772223A (en) * | 2016-05-12 | 2016-07-20 | 海宁国能中电节能环保设备技术有限公司 | Lifting rod assembly structure for pipe type wet electric dust remover |
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| CN106955789A (en) * | 2017-05-25 | 2017-07-18 | 安徽意义环保设备有限公司 | A kind of electric cleaner of combined type automatic ash removing |
| CN106975571A (en) * | 2017-05-25 | 2017-07-25 | 安徽意义环保设备有限公司 | It is a kind of can be with the electric cleaner of automatic ash removing |
| CN106975572A (en) * | 2017-05-25 | 2017-07-25 | 安徽意义环保设备有限公司 | A kind of cathode hanger of electric dust collector system |
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|---|---|
| CN102896046B (en) | 2015-08-12 |
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