CN103008108A - 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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- CN103008108A CN103008108A CN2012105941784A CN201210594178A CN103008108A CN 103008108 A CN103008108 A CN 103008108A CN 2012105941784 A CN2012105941784 A CN 2012105941784A CN 201210594178 A CN201210594178 A CN 201210594178A CN 103008108 A CN103008108 A CN 103008108A
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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 the 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 the moisture film purge mode, can effectively avoid the dust reentrainment of dust, and have high corona current and obvious particle coalescence effect, superfine particulate matter control discharging aspect is had obvious technical advantage in thermal power plant, be applied just gradually.Traditional rigidity positive plate material exists washing water quantity consumption large in the moisture film deashing process, shuts down the problems such as flushing operation defective, material cost height, and flexible corrosion resistant material positive plate begins to be applied gradually.For the 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, continuously the advantage such as on-line rinsing.But the flexible anode plate is in actual moving process, because of the pole plate height dimension up to tens of rice, if only rely on up and down the location to exist that the pole plate Oscillation Amplitude is large, tensioning adjusts that workload is large, the pole plate middle part creases easily the problems such as pleat when installing, and exists not easy cleaning of gauffer position when causing the pole plate deashing; If boiler load change exhaust gas volumn changes simultaneously, the change of electrostatic field passage internal cause flue gas flow field causes the instantaneous increase of pole plate amplitude, causes the problems such as the swing of electrostatic field working voltage, electric field shakiness.
Three, summary of the invention
The present invention is to solve the flexible anode surface through broadwise tensile force skewness, and local positive plate deflection exceeds the problems such as regulation requirement in the running, has proposed 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, consisted of by square water distributor, flat clamp, ripple pressing plate, pressing plate fastening bolt, flexible anode plate, 4C type strut, 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 the bottom adopts the protection pressing plate to clamp and use bolted; The stainless steel square tube is intersected weldering and is formed grid type upper support framework, the stainless steel square tube lower end water distributing pore that gathers, and positive plate lower wire case frame and upper grid framework symmetry, 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, is fixed on the support frame by taper pin; Positive plate horizontal direction end is preset gag lever post from top to bottom, and gag lever post is fixed in the special-shaped groove of the special-shaped strut of 4C, and the compressing tablet that cooperates with the special-shaped strut of 4C 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 that satisfies the electrostatic field demand; Form the anode square duct by width phase positive plate; Positive plate top is fixed on the cross grid type positive plate upper frame; The positive plate upper frame is by forming with the weldering of 30 * 50 * 6mm square tube fork, the every densely covered Φ 1～Φ 2mm water distributing pore of square tube bottom interval 20 ~ 30mm, and be fixed on the anode on the built-in beam, built-in beam is spacing by the I-beam that welds together with housing, trapezoidal plate on the anode; Positive plate framework right-angled intersection position is with locating taper pin up and down, and the special-shaped strut of a 4C is placed in every pair of corresponding taper pin position up and down; The special-shaped strut of 4C is fixed with locating taper pin respectively up and down; Positive plate broadwise two cephalic pars are put into gag lever post in advance, and in the circle or square groove that fixedly the special-shaped strut of 4C is corresponding; Gag lever post adopts the materials such as polytetrafluoroethylene (PTFE) with good bending performance, polyester to make; Each positive plate bottom is stepped up by a pair of baffle that is arranged symmetrically with; The compressing tablet that cooperates with the special-shaped strut outer surface of 4C is stretched out in the baffle end, and baffle is fastened on the special-shaped strut of 4C; The upper and lower built-in beam of negative electrode is insulated with housing by upper and lower insulated case suspention location and while; The housing top and the bottom have respectively the installation and repairing manhole door; Lower housing portion arranges ash bucket, and fine particle forms grey aqueous mixtures through surperficial moisture film flushing and discharges by the blowdown connecting pipe at the positive plate surface settlement, enters grey slag bath or grey water treatment system, and clear water is recycling after the Ash Water Separator.
The main feature of flexible anode plate longitude and latitude stop surface tensioning apparatus:
⑴ water distributor, positive plate top fixed frame, the special-shaped strut of 4C top stopping means are integrated, the liquid that water distributing pore flows out enters the top of flexible pole plate under Action of Gravity Field, rely on fiber capillary osmotic effect, liquid covers the positive plate surface fast fully from different positions, form liquid layer as thin as a wafer, so under less charge for water condition, can guarantee the quick formation of the ultra-thin moisture film of positive plate surface uniform;
⑵ positive plate bottom fixed frame possesses the spacing and positive plate lower part positioning device function in 4C shape tube bottom simultaneously, by being fixed on the lower section frame on the housing, the antianode plate applies certain tensile force, guarantee the straight effect of flexible anode plate vertical direction, prevent that flexible anode at vertical direction larger distortion occurs under larger surface wind speed condition;
⑶ the special-shaped strut of the 4C about be limited on the positive plate fixed frame, by the special-shaped groove around it, positive plate horizontal direction end gag lever post is limited in the special-shaped groove, by being applied to the strut horizontal pull, the antianode plate level guarantees the straight effect of flexible anode plate level direction to executing in advance tensile force, 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.
The specific implementation operating process is: flue gas enters the wet electrostatic device after processing through housing IGV fluidised form homogenising; By the discharge electrode brace summer, enter the anode-supported framework successively; Flue gas enters the vertical square duct that positive plate forms from anode upper support framework; Discharge electrode is placed at each square duct center, and discharge electrode and positive plate all around form the 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 the positive plate surface and deposits; Gather water distributing pore and is connected with the technique water tank of the square tube lower end that forms positive plate upper support framework is controlled the water yield by PLC, and then is regulated the charge for water on every positive plate surface; Utilize flexible anode plate fiber capillary adsorption and permeation effect, impel at the even thin water film of less charge for water condition Xiayang polar board surface to form fast; The flying dust that is deposited on the positive plate surface is flushed in the ash bucket of positive plate bottom by surperficial moisture film, finishes thorough deashing and eliminates " secondary fly-up ", " anti-corona " fault generation root; Mixture enters grey water treatment system by blow-off line, realizes that washing water quantity is recycling.
Flexible anode plate longitude and latitude stop surface tensioning apparatus of the present invention, by specific tension assembly and structure, the flexible anode plate executed respectively certain tensile force in advance through broadwise, guarantee that flexible anode is in the straight effect of width and short transverse, prevent from when processing larger flue gas wind speed, occuring the large stability of being out of shape and then affecting electric field of agitating, be conducive to further reduce the water resources consumption of wet dust collection technology, have wide marketing application prospect.
Four, description of drawings
Fig. 1 is the wet static dedusting device structural representation, Fig. 2 is the wet static dedusting device A-A generalized section of Fig. 1, Fig. 3 is the flexible anode rhs-structure schematic diagram among 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.
Among the figure: 1 is that upper portion insulating case, 2 is that built-in beam on the negative electrode, 3 is that discharge electrode, 4 is that anode upper support framework, 5 is that anode square tube, 6 is that anode lower support framework, 7 is that lower insulated case, 8 is that built-in beam under the negative electrode, 9 is deflector, and 10 is that ash bucket, 11 is that exhanst gas outlet, 12 is that housing, 13 is that gas approach, 14 is that water distribution square tube, 15 is that pressing plate fastening bolt, 16 is that flat clamp, 17 is that 4C abnormal shape strut, 18 is that baffle, 19 is that positive plate, 20 is that ripple pressing plate, 21 is that gag lever post, 22 is that positioning round orifice, 23 is the baffle fastening bolt.
Five, the specific embodiment
Provide a preferred forms of the present invention below in conjunction with Fig. 1, Fig. 2, Fig. 3, Fig. 4 and Fig. 5.
Flexible anode plate longitude and latitude stop surface tensioning technique and device are to realize by Fig. 1, Fig. 2, Fig. 3, Fig. 4, device shown in Figure 5.Flue gas enters housing 12 after by gas approach 13 deflectors 9 fluidised form homogenizing, and flue gas is at first flowed through by negative electrode top built-in beam 2, the discharge electrode 3 of upper portion insulating case 1 suspention, enters anode upper support framework 4, and then subregion enters each anode square tube 5; The tensioning vertical and horizontal direction of the positive plate of each anode square tube 5 realizes by following manner respectively, be that positive plate 19 tops and water distribution square tube 14 are fixing by flat clamp 16, ripple pressing plate 20 and pressing plate fastening bolt 15, positive plate 19 bottoms clamp and are fastened on the outer surface of the special-shaped strut of 4C by a pair of baffle 18 by baffle fastening bolt 23, and antianode plate 19 upper and lower end parts are executed certain tensile force in advance; The positive plate broadwise is embedded in the stopper slot of the special-shaped strut 17 of 4C the antianode broadwise and executes in advance certain tensile force by the gag lever post 21 that is contained in the end; The special-shaped strut of 4C is fixed on anode upper support framework 4 and the anode lower support framework 6 by positioning round orifice 22.Liquid flows out at the water distributing pore of water distribution square tube 14 lower surfaces, enter positive plate top 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 the rapid osmotic diffusion effect on the positive plate surface, uniform water film forms; Each anode square tube 5 center is placed discharge electrode 3 and is kept the fixed pole spacing and form stable non-homogeneous high voltage electric field, by the fixing built-in beam 8 and keep it and insulate with housing under built-in beam 2 and the negative electrode on the negative electrode of discharge electrode 3 of upper insulated case 1 and lower insulated case 7 suspentions, prevent the phenomenons generations such as electric leakage, short circuit; When flue gas passes through anode square tube 5 from top to bottom, discharge electrode 3 ionizes ambient gas, produce anion and electronics, and with subparticle collision, behind the charging particle, under the effect of electric field force, the pole plate apparent motion faces south, the Electrostatic Absorption process is finished on the final positive plate surface that arrives, and clean flue gas enters chimney from exhanst gas outlet 11; According to positive plate surface cleanness degree and import fly ash content and flushing situation, control valve by the water distribution square tube 14 of PLC control is regulated the cloth water yield, by online adjustment water film thickness, the grieshoch that is adsorbed on the positive plate surface is washed to ash bucket 10, the ash aqueous mixtures flows out through blow-off line and enters grey water treatment system, and clear liquid is recycling after the Ash Water Separator.
Claims (3)
1. flexible anode plate longitude and latitude stop surface tensioning apparatus, consisted of by square water distributor, flat clamp, ripple pressing plate, pressing plate fastening bolt, flexible anode plate, 4C type strut, gag lever post, baffle, baffle fastening bolt, it is characterized in that, positive plate top is by flat clamp and ripple pressing plate and the effective bolted of stainless steel square, and the positive plate bottom adopts the protection pressing plate to clamp and use bolted; The stainless steel square tube is intersected weldering and is formed grid type upper support framework, the stainless steel square tube lower end water distributing pore that gathers, and positive plate lower wire case frame and upper grid framework symmetry, 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 positioning round orifice, is fixed on the support frame by taper pin; Positive plate horizontal direction end is preset gag lever post from top to bottom, and gag lever post is fixed in the special-shaped groove of the special-shaped strut of 4C.
2. a kind of flexible anode plate longitude and latitude stop surface tensioning apparatus according to claim 1 is characterized in that described baffle two stretches out the compressing tablet that cooperates with the special-shaped strut of 4C and be fastened on special-shaped strut outer surface by fastening bolt.
3. a kind of flexible anode plate longitude and latitude stop surface tensioning apparatus according to claim 1 is characterized in that described gag lever post adopts polytetrafluoroethylene (PTFE) or polyester material to make.
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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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| CN103008108B CN103008108B (en) | 2015-06-17 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN106925430A (en) * | 2015-12-29 | 2017-07-07 | 汉王科技股份有限公司 | Electrostatic air cleaner |
| CN106925427A (en) * | 2015-12-29 | 2017-07-07 | 汉王科技股份有限公司 | Electrostatic air cleaner |
| CN112570150A (en) * | 2020-12-15 | 2021-03-30 | 北京国电龙源环保工程有限公司 | 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 |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106925430A (en) * | 2015-12-29 | 2017-07-07 | 汉王科技股份有限公司 | Electrostatic air cleaner |
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| 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 |
| CN112570150A (en) * | 2020-12-15 | 2021-03-30 | 北京国电龙源环保工程有限公司 | Polar plate positioning device of plate type dust collector and mounting method thereof |
| 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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| CN103008108B (en) | 2015-06-17 |
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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. |
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