CN103008108B - Tensioning device for longitude and latitude limiting surface of flexible anode board - Google Patents
Tensioning device for longitude and latitude limiting surface of flexible anode board Download PDFInfo
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- CN103008108B CN103008108B CN201210594178.4A CN201210594178A CN103008108B CN 103008108 B CN103008108 B CN 103008108B CN 201210594178 A CN201210594178 A CN 201210594178A CN 103008108 B CN103008108 B CN 103008108B
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Abstract
The invention relates to a tensioning device for a longitude and latitude limiting surface of a flexible anode board, and is used for wet type static dust collection equipment. The tensioning device provided by the invention consists of a square water distribution pipe, a flat press board, a corrugated press board, a press board fastening bolt, the flexible anode board, four C-shaped supporting rods, limiting rods, protection boards, and protection board fastening bolts; the upper part of the anode board is fixed on a framework at the upper part of the anode board by using the flat press board and the corrugated press board; the lower part of the anode board is tightly clamped by the protection boards, and is fastened with the four C-shaped supporting rods by using screws; stainless steel square pipes are crossly welded to form the mesh-like upper part framework; water distribution holes are densely distributed in the lower ends of the stainless steel square pipes; a mesh-like lower part framework and the mesh-like upper part framework are symmetrical; a cross part is provided with a positioning taper pin; round holes are formed in the upper end parts and the lower end parts of the four C-shaped supporting rods; the four C-shaped supporting rods are fixedly arranged on a supporting framework through taper pins; limiting rods are mounted in the horizontal direction of the anode board from top to bottom; and the limiting rods are fixedly arranged on grooves of the four C-shaped supporting rods. The tensioning device provided by the invention can respectively supply tension forces to a flexible anode in the horizontal direction and the vertical direction, and is beneficial to keeping the straightening effect of the flexible anode within an electric field, and a water membrane with the uniform surface can be used for entirely removing particulate matters subsided on the surface of the anode board, so that smoke can be cleaned and discharged in a standard manner.
Description
One, technical field
The invention belongs to atmosphere pollution and administer field, particularly relate to a kind of longitude and latitude stop surface tensioning apparatus of the flexible anode plate for wet cottrell.
Two, background technology
Wet cottrell adopts moisture film purge mode, can effectively avoid dust reentrainment of dust, and there is high corona current and obvious particle coalescence effect, to superfine particulate matter control discharge aspect, there is obvious technical advantage and be applied in thermal power plant just gradually.In moisture film deashing process, there is washing water quantity consumption large in traditional rigid anode plate material, shut down the problem such as flushing operation defect, material cost height, flexible corrosion resistant material positive plate starts to be applied gradually.For conventional rigid anode material, flexible material utilizes the uniform moisture film of fiber capillarity, has low, the surperficial deashing uniform and complete of washing water quantity, can the advantage such as on-line rinsing continuously.But flexible anode plate is in actual moving process, because pole plate height dimension is up to tens of rice, if pole plate Oscillation Amplitude is large, large, the pole plate middle part of tensioning adjustment workload creases easily the problems such as pleat when installing only to rely on location up and down to also exist, cause during pole plate deashing, there is gauffer position not easy cleaning; If boiler load variation exhaust gas volumn changes simultaneously, the variation of electrostatic field passage internal cause flue gas flow field causes the instantaneous increase of pole plate amplitude, causes the problems such as electrostatic field working voltage swings, electric field is unstable.
Three, summary of the invention
The present invention is to solve flexible anode surface through broadwise tensile force skewness, and in running, local anode plate deflection exceeds the problems such as regulation requirement, proposes a kind of flexible anode plate longitude and latitude stop surface tensioning apparatus.
The present invention realizes in the following way: flexible anode plate surface tension device, be made up of square water distributor, flat clamp, ripple pressing plate, pressing plate fastening bolt, flexible anode plate, the special-shaped strut of 4C, gag lever post, baffle, baffle fastening bolt, positive plate top is by flat clamp and ripple pressing plate and the effective bolted of stainless steel square, and bottom adopts protection platen clamp and by bolted; Stainless steel square tube intersection weldering composition grid type upper support framework, gather water distributing pore in stainless steel square tube lower end, positive plate lower wire case frame and upper grid framework symmetry, and upper and lower part grid framework right-angled intersection place is with locating taper pin; The special-shaped strut upper and lower end parts of 4C has circular hole, fixes on the support frame by taper pin; Positive plate horizontal direction end preset gag lever post from top to bottom, gag lever post is fixed in the special-shaped groove of the special-shaped strut of 4C, and the compressing tablet that strut special-shaped with 4C coordinates is stretched out at baffle two, is fastened on special-shaped strut surfaces.Gag lever post adopts polytetrafluoroethylene (PTFE) or polyester material to make.
Positive plate adopts the flexible fabric material meeting electrostatic field demand; Anode square duct is formed by width phase positive plate; Positive plate top is fixed on cross grid type positive plate upper frame; Positive plate upper frame forms by pitching weldering by 30 × 50 × 6mm square tube, every root square tube bottom interval 20 ~ 30mm gathers Φ 1 ~ Φ 2mm water distributing pore, and being fixed on anode on built-in beam, on anode, built-in beam is spacing by the I-beam welded together with housing, trapezoidal plate; Upper and lower positive plate framework right-angled intersection position is with locating taper pin, and the special-shaped strut of a 4C is placed in often pair of corresponding taper pin position up and down; The special-shaped strut of 4C is fixed with locating taper pin up and down respectively; Positive plate broadwise two cephalic par puts into gag lever post in advance, and fixes in circle corresponding to the special-shaped strut of 4C or square groove; Gag lever post adopts the material such as polytetrafluoroethylene (PTFE), polyester with good bending performance to make; Each positive plate bottom is stepped up by the baffle that a pair is arranged symmetrically with; The compressing tablet that strut outer surface special-shaped with 4C coordinates is stretched out in baffle end, and baffle is fastened on the special-shaped strut of 4C; The upper and lower built-in beam of negative electrode suspends location in midair by upper and lower insulated case and insulate with housing simultaneously; Housing top and the bottom have installation and repairing manhole door; Lower housing portion arranges ash bucket, and fine particle is at positive plate surface settlement, and rinse the grey aqueous mixtures of formation through surperficial moisture film and discharged by blowdown connecting pipe, enter grey slag bath or grey water treatment system, after Ash Water Separator, clear water recycles.
The main feature of flexible anode plate longitude and latitude stop surface tensioning apparatus:
(1) water distributor, positive plate top fixed frame, 4C special-shaped strut top stopping means are integrated, the liquid that water distributing pore flows out enters the top of flexible plate under gravity, rely on fiber capillary osmotic effect, positive plate surface covers from different parts by liquid fast completely, form very thin liquid layer, therefore under less charge for water condition, the quick formation of the ultra-thin moisture film of positive plate surface uniform can be ensured;
(2) positive plate bottom fixed frame possesses the special-shaped strut lower limit of 4C and positive plate lower part positioning device function simultaneously, by being fixed on the lower frame on housing, antianode plate applies certain tensile force, ensure the straight effect of flexible anode plate vertical direction, prevent flexible anode under larger surface wind speed condition from vertical direction, larger distortion occurring;
(3) be limited in the special-shaped strut of 4C on upper and lower positive plate fixed frame, by the special-shaped groove of its surrounding, positive plate horizontal direction end gag lever post is limited in special-shaped groove, by being applied to strut horizontal pull, antianode plate level, to executing tensile force in advance, ensures the straight effect in flexible anode plate level direction, prevents under large contact wind friction velocity, positive plate produces larger shake distortion in the horizontal direction, is conducive to the stability of high-voltage electrostatic field.
Specific implementation operating process is: flue gas, after case entrances flow deflector fluidised form Homogenization Treatments, enters wet electrostatic device; Successively by discharge electrode brace summer, enter anode-supported framework; Flue gas enters the vertical square duct of positive plate composition from anode upper support framework; Discharge electrode is placed at each square duct center, and the positive plate of discharge electrode and surrounding forms high-voltage electrostatic field, and under the effects such as electric field force, mechanical force, viscous force, molecular force, surface tension of liquid, particle moves to positive plate surface and deposits; Gather water distributing pore being connected with technique water tank for the square tube lower end of composition positive plate upper support framework, controls the water yield, and then regulate the charge for water on every block positive plate surface by PLC; Utilize flexible anode plate fiber capillary adsorption and permeation effect, impel and formed fast at the even thin water film of less charge for water condition Xiayang polar board surface; The flying dust being deposited on positive plate surface is flushed in the ash bucket of positive plate bottom by surperficial moisture film, completes thorough deashing and eliminates " secondary fly-up ", " inverse corona " fault generation root; Mixture enters grey water treatment system by blow-off line, realizes washing water quantity and recycles.
Flexible anode plate longitude and latitude stop surface tensioning apparatus of the present invention, by specific tension assembly and structure, respectively certain tensile force is executed in advance through broadwise to flexible anode plate, ensure the straight effect of flexible anode in width and short transverse, prevent from the large stability of agitating distortion and then affecting electric field occurs when processing larger flue gas wind speed, be conducive to the water resources consumption reducing wet dust collection technology further, there is wide marketing application prospect.
Four, accompanying drawing explanation
Fig. 1 is wet static dedusting device structural representation, Fig. 2 is wet static dedusting device A-A generalized section of Fig. 1, Fig. 3 is the flexible anode rhs-structure schematic diagram in Fig. 1, and Fig. 4 is flexible anode square tube B-B generalized section, and Fig. 5 is the flexible anode square tube superstructure schematic diagram of Fig. 3.
In figure: 1 be upper portion insulating case, 2 for built-in beam, 3 on negative electrode be discharge electrode, 4 be anode upper support framework, 5 be anode square tube, 6 be anode lower support framework, 7 be lower insulated case, 8 for built-in beam, 9 under negative electrode be deflector, 10 be ash bucket, 11 be exhanst gas outlet, 12 be housing, 13 be gas approach, 14 be water distribution square tube, 15 be pressing plate fastening bolt, 16 be flat clamp, 17 be baffle, 19 be positive plate, 20 be ripple pressing plate, 21 be gag lever post, 22 be positioning round orifice, 23 be baffle fastening bolt for the special-shaped strut of 4C, 18.
Five, detailed description of the invention
A preferred forms of the present invention is provided below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
Flexible anode plate longitude and latitude stop surface tensioning apparatus is realized by the device shown in Fig. 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5.Flue gas is by entering housing 12 after gas approach 13 deflector 9 fluidised form homogenizing, and first flue gas flows through the negative electrode top built-in beam 2, the discharge electrode 3 that are suspended in midair by upper portion insulating case 1, enters anode upper support framework 4, and then subregion enters each anode square tube 5; The tensioning that is vertical and horizontal direction of the positive plate of each anode square tube 5 realizes respectively by following manner, namely positive plate 19 top and water distribution square tube 14 are fixed by flat clamp 16, ripple pressing plate 20 and pressing plate fastening bolt 15, positive plate 19 bottom to be clamped by baffle fastening bolt 23 by a pair baffle 18 and is fastened on the outer surface of the special-shaped strut of 4C, and antianode plate 19 upper and lower end parts executes certain tensile force in advance; Positive plate broadwise is embedded in antianode broadwise in the stopper slot of the special-shaped strut 17 of 4C by the gag lever post 21 being contained in end and executes certain tensile force in advance; The special-shaped strut of 4C is fixed on anode upper support framework 4 and anode lower support framework 6 by positioning round orifice 22.The water distributing pore of liquid in water distribution square tube 14 lower surface flows out, positive plate top is entered through flat clamp 16, ripple pressing plate 20 and pressing plate fastening bolt 15, cloth film drop from positive plate top under the effect such as gravity, capillary absorption power, viscous force, form rapid osmotic diffusion effect on positive plate surface, uniform water film is formed; Each anode square tube 5 center is placed discharge electrode 3 and is kept fixed pole spacing and form stable non-homogeneous high voltage electric field, keep itself and housing to insulate by built-in beam 8 under built-in beam 2 on the negative electrode of upper insulated case 1 and lower insulated case 7 Suspending fixation discharge electrode 3 and negative electrode, prevent the phenomenons such as electric leakage, short circuit from occurring; When flue gas passes through anode square tube 5, ambient gas ionizes by discharge electrode 3, produce anion and electronics, and collide with subparticle, after charging particle, under the effect of electric field force, pole plate apparent motion on the sunny side, final arrival positive plate surface, complete Electrostatic Absorption process, clean flue gas enters chimney from exhanst gas outlet 11; According to positive plate surface cleanness degree and import fly ash content and the situation of flushing, the control valve of the water distribution square tube 14 controlled by PLC regulates the cloth water yield, by on-line tuning water film thickness, the grieshoch being adsorbed on positive plate surface is rinsed in ash bucket 10, ash aqueous mixtures flows out through blow-off line and enters grey water treatment system, and after Ash Water Separator, clear liquid recycles.
Claims (2)
1. a flexible anode plate longitude and latitude stop surface tensioning apparatus, be made up of square water distributor, flat clamp, ripple pressing plate, pressing plate fastening bolt, flexible anode plate, the special-shaped strut of 4C, gag lever post, baffle, baffle fastening bolt, it is characterized in that, stainless steel square tube intersection weldering composition grid type top fixed frame, gather water distributing pore in stainless steel square tube lower end; Positive plate bottom fixed frame and top fixed frame symmetry, upper and lower part fixed frame right-angled intersection place is with locating taper pin; Water distributor, positive plate top fixed frame, 4C special-shaped strut top stopping means is integrated; Positive plate bottom fixed frame possesses the special-shaped strut lower limit of 4C and positive plate lower part positioning device function simultaneously; The special-shaped strut upper and lower end parts of 4C has circular hole, is fixed on fixed frame by taper pin; Positive plate top is by flat clamp and ripple pressing plate and the effective bolted of stainless steel square; Each positive plate bottom is clamped by the baffle that a pair is arranged symmetrically with; The compressing tablet that strut outer surface special-shaped with 4C coordinates is stretched out in baffle end, and baffle is fastened on the special-shaped strut of 4C; Positive plate broadwise two cephalic par puts into gag lever post in advance, and fixes in circle corresponding to the special-shaped strut of 4C or square groove; Gag lever post adopts the polytetrafluoroethylmaterial material with good bending performance to make.
2. a kind of flexible anode plate longitude and latitude stop surface tensioning apparatus according to claim 1, is characterized in that the compressing tablet coordinated with 4C abnormal shape strut is stretched out at described baffle two, is fastened on special-shaped strut surfaces.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210594178.4A CN103008108B (en) | 2012-12-31 | 2012-12-31 | Tensioning device for longitude and latitude limiting surface of flexible anode board |
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| CN201210594178.4A CN103008108B (en) | 2012-12-31 | 2012-12-31 | Tensioning device for longitude and latitude limiting surface of flexible anode board |
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| CN103008108A CN103008108A (en) | 2013-04-03 |
| CN103008108B true CN103008108B (en) | 2015-06-17 |
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Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN106925430A (en) * | 2015-12-29 | 2017-07-07 | 汉王科技股份有限公司 | Electrostatic air cleaner |
| CN106925427B (en) * | 2015-12-29 | 2018-07-06 | 汉王科技股份有限公司 | Electrostatic air cleaner |
| CN105797865A (en) * | 2016-05-10 | 2016-07-27 | 艾尼科环保技术(安徽)有限公司 | Flexible polar plate of wet electrostatic dust remover |
| CN106423568A (en) * | 2016-09-12 | 2017-02-22 | 山东神华山大能源环境有限公司 | Dust collecting polar plate fixing device of flexible wet electric dust remover and flexible wet electric dust remover |
| CN112570150B (en) * | 2020-12-15 | 2022-07-12 | 国能龙源环保有限公司 | Polar plate positioning device of plate type dust collector and mounting method thereof |
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| US3976448A (en) * | 1972-04-20 | 1976-08-24 | Lin Eng Corporation | Electrostatic and sonic gas processing apparatus |
| CN87204131U (en) * | 1987-04-15 | 1987-11-25 | 冶金工业部长沙黑色冶金矿山设计研究院 | Corona dust collector |
| JPH07313904A (en) * | 1994-05-27 | 1995-12-05 | Omi Kogyo Co Ltd | Electrostatic dust collector |
| CN201711219U (en) * | 2010-07-05 | 2011-01-19 | 山东山大能源环境有限公司 | Semi-moist type electrostatic dust collector |
| CN202460833U (en) * | 2011-06-23 | 2012-10-03 | 宣化环保设备有限公司 | Flexible connection device for rotary dust collection pole plate |
| CN203018203U (en) * | 2012-12-31 | 2013-06-26 | 山东大学 | Tensioning device on flexible anode plate longitude and latitude limiting surface |
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- 2012-12-31 CN CN201210594178.4A patent/CN103008108B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
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| US3976448A (en) * | 1972-04-20 | 1976-08-24 | Lin Eng Corporation | Electrostatic and sonic gas processing apparatus |
| CN87204131U (en) * | 1987-04-15 | 1987-11-25 | 冶金工业部长沙黑色冶金矿山设计研究院 | Corona dust collector |
| JPH07313904A (en) * | 1994-05-27 | 1995-12-05 | Omi Kogyo Co Ltd | Electrostatic dust collector |
| CN201711219U (en) * | 2010-07-05 | 2011-01-19 | 山东山大能源环境有限公司 | Semi-moist type electrostatic dust collector |
| CN202460833U (en) * | 2011-06-23 | 2012-10-03 | 宣化环保设备有限公司 | Flexible connection device for rotary dust collection pole plate |
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Address after: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee after: SHANDONG University Patentee after: Guoneng (Shandong) energy environment Co.,Ltd. Address before: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee before: SHANDONG University Patentee before: SHANDONG SHENHUA SHANDA ENERGY & ENVIRONMENT Co.,Ltd. |
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Effective date of registration: 20211123 Address after: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee after: SHANDONG University Patentee after: SHANDONG SHENHUA SHANDA ENERGY & ENVIRONMENT Co.,Ltd. Address before: 250061, No. ten, No. 17923, Lixia District, Ji'nan City, Shandong Province Patentee before: SHANDONG University Patentee before: QUFU SHANDA ENERGY AND ENVIRONMENT Co.,Ltd. |