CN203044169U - Electrostatic dust precipitation anode device in thermal power plant - Google Patents
Electrostatic dust precipitation anode device in thermal power plant Download PDFInfo
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- CN203044169U CN203044169U CN 201320051328 CN201320051328U CN203044169U CN 203044169 U CN203044169 U CN 203044169U CN 201320051328 CN201320051328 CN 201320051328 CN 201320051328 U CN201320051328 U CN 201320051328U CN 203044169 U CN203044169 U CN 203044169U
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Abstract
The utility model discloses an electrostatic dust precipitation anode device in a thermal power plant, which is used for electrostatically removing gypsum particles and ultrafine dust in desulfurized exhaust gas of the thermal power plant. The anode device comprises a #-shaped upper bracket welded by square steel and a #-shaped lower bracket welded by channel steel; a plurality of square holes corresponding up and down are formed between the square steel of the upper bracket and the channel steel of the lower bracket; the square holes are surrounded by fiber cloth to form a honeycomb structure along the positions of the square steel and the channel steel between the upper bracket and the lower bracket; the square steel of the upper bracket forms a penetrated water channel; and water injection holes causing the fiber cloth to be infiltrate and electrically conductive are uniformly formed in the bottom of the water channel. The anode device provided by the utility model is simple in structure, good in electrical conductivity, simple and convenient to install and maintain and long in service life, the steel using amounts of the traditional support system and anode system are greatly reduced, the problems of gypsum pollution and dust excessive discharge existing in exhaust gas discharge of the thermal power plant can be solved simply and effectively, and the anode device has very good economic, social and environmental benefits.
Description
Technical field
The utility model belongs to subparticle gas solid separation field of engineering technology.Be specifically related to a kind of thermal power plant electrostatic precipitation anode assembly, it can be used for, and the static of gypsum particle and ultrafine dust removes in the desulfurization flue gas of large-size thermal power plant.
Background technology
The thermal power plant generated energy accounts for 70% of whole generated energy.And a lot of power plant units desulphurization systems do not arrange gas-gas heat exchanger (GGH), and the smoke stack emission flue gas is saturated wet flue gas, about 50 ℃ of temperature, chimney of electric plant is discharged plume and is white in color even grey, transparency extreme difference, power plant surrounding area often descend slowly and lightly white calcium plaster drip, cause serious pollution.Prior art usually adopts at the desulfurizing tower top and installs mechanical demister additional, to carrying gypsum certain removal effect is arranged, but mechanical demister long-play ubiquity harden, clogging, can't steady in a long-term move, cause the little droplet of gypsum slurries to enter atmosphere with fume emission.And conventional electrostatic precipitator processing speed is at 0.8-1.2m/s, and ability and the efficient of handling gas are very low, and equipment volume is huge, and incompatibility is used in large-size thermal power plant flue gas deep purifying system.
About can be used for the anode construction of thermal power plant's electrostatic precipitation, at CN201524521U, all have disclosed among CN201676752U and the CN201711219U, but the description of the anode tube of mentioning in the above-mentioned prior art, flexible membrane electrode etc. is all extremely simple, though provided some accompanying drawings in these prior aries, be difficult to its concrete structure of the imagination.The fabric dust collecting electrode square tube that relates among the CN101670313A has only literal and does not have accompanying drawing, and associated description also is very simple, and those skilled in the art can't realize this anode construction on the basis that does not spend performing creative labour on the basis of above-mentioned prior art.
The utility model content
The technical problems to be solved in the utility model provides a kind of thermal power plant electrostatic precipitation anode assembly, to reduce or to avoid problem noted earlier.
For solving the problems of the technologies described above, the utility model proposes a kind of thermal power plant electrostatic precipitation anode assembly, be used for thermal power plant desulfurization flue gas gypsum particle and and the static of ultrafine dust remove, described anode assembly has by square steel and is welded into the upper bracket of groined type shape and the lower bracket that channel-section steel is welded into the groined type shape, is formed with a plurality of corresponding square holes up and down between the square steel of described upper bracket and the channel-section steel of lower bracket; Between described upper bracket and described lower bracket, position along described square steel and channel-section steel place, form honeycomb by fiber cloth around described square hole, the square steel of described upper bracket forms the water channel of perforation, and the bottom of described water channel is evenly distributed with and makes described fiber cloth soak into the water injection hole of conduction.
Preferably, each square steel between described upper bracket and described lower bracket and the binding site of channel-section steel, be provided with a vertical supporting rod that supports described fiber cloth, described vertical supporting rod is evenly distributed with four draw-in grooves along its length direction, and the both sides of described fiber cloth are stuck in the draw-in groove of two corresponding vertical supporting rods.
Preferably, the both sides of described fiber cloth are provided with a card rope, and described fiber cloth is stuck in the described draw-in groove by described card rope is passed described draw-in groove.
Preferably, the inside dimensions of described draw-in groove is greater than opening size, the both sides of described fiber cloth are sewed with the rope sling that passes freely through for described card rope, and described card rope wraps up diameter after the described rope sling greater than the opening size of described draw-in groove and less than the inside dimensions of described draw-in groove.
Preferably, described upper bracket downside is provided with the upper support bar that supports described fiber cloth, and the upside correspondence of described lower bracket is provided with the lower support bar that supports described fiber cloth.
Preferably, the upper and lower side of described fiber cloth is walked around described upper support bar and described lower support bar respectively, and is fixed by snap on described upper support bar and described lower support bar.
Preferably, an end of described vertical supporting rod is provided with threaded mounting hole, and the other end is provided with locating hole; Square steel or channel-section steel corresponding to the position at the locating hole place of described vertical supporting rod are provided with alignment pin, are provided with set bolt corresponding to square steel or the channel-section steel of the threaded mounting hole position of described vertical supporting rod.
Preferably, described alignment pin is fixed on described square steel or the channel-section steel by screw.
Preferably, described vertical supporting rod is made by glass fibre.
Preferably, described fiber cloth is made by fire-retardant polymerization terylene.
Anode device structure provided by the utility model is simple, conduct electricity very well, installation and maintenance are simple and convenient, long service life, alleviate the steel using amount of conventional support system and anode system greatly, the emission problem that can solve simply and effectively that gypsum that coal steam-electric plant smoke discharging faces pollutes and dust exceeds standard has good economic benefits, social benefit and environmental benefit.
Description of drawings
The following drawings only is intended to the utility model done and schematically illustrates and explain, does not limit scope of the present utility model.Wherein,
What Fig. 1 showed is the desulfurizer of thermal power plant and the structural representation of electrostatic precipitator;
What Fig. 2 showed is according to the thermal power plant's electrostatic precipitation anode assembly that is used for electrostatic precipitator of a specific embodiment of the present utility model and the structural representation of thermal power plant's electrostatic precipitation cathode assembly;
Fig. 3 shows is decomposing state structural representation according to the anode assembly of a specific embodiment of the present utility model.
The specific embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast the description of drawings specific embodiment of the present utility model.Wherein, identical parts adopt identical label.
What Fig. 1 showed is the desulfurizer of thermal power plant and the structural representation of electrostatic precipitator, as shown in the figure, the flue gas of thermal power plant is through after the desulfurizer 1, be transported to the upper entrance 31 of electrostatic precipitator 3 via pipeline 2, handle gas afterwards by electrostatic precipitator 3 and discharged by exhaust outlet 32, and can discharge from electrostatic precipitator 3 below solid discharge mouths 33 by the solid after the electrostatic precipitation.
Electrostatic precipitator shown in Fig. 13 has a housing 34, and anode assembly and cathode assembly for electrostatic precipitation are installed in the housing 34.Principle about electrostatic precipitator can be not described in detail at this referring to CN201524521U, CN201676752U, CN201711219U and CN101670313A.Emphasis of the present utility model namely is the architecture advances to cathode assembly and the anode assembly of electrostatic precipitator, can be with reference to the description of above-mentioned prior art as for the mounting connection structure of cathode assembly and anode assembly and housing 34.
What Fig. 2 showed is according to the thermal power plant's electrostatic precipitation anode assembly 4 that is used for electrostatic precipitator 3 of a specific embodiment of the present utility model and the structural representation of thermal power plant's electrostatic precipitation cathode assembly 5, wherein, anode assembly 4 is square generally, is arranged in the housing (not showing among Fig. 2) that is square equally.Anode assembly 4 is separated into the honeycomb with a plurality of square holes 40 by fiber cloth, and each square hole 40 of described square hole shape honeycomb communicates up and down, arranges the cathode assembly 5 of a perforation in each square hole 40.Anode assembly 4 soaks into by current and possesses conductive capability, and links to each other with the earth.Cathode assembly 5 upper and lower sides respectively with the negative pole conducting of constant-current supply.
Fig. 3 shows is decomposing state structural representation according to the anode assembly 4 of a specific embodiment of the present utility model, and what wherein show is that decomposition view is amplified in the part of structure shown in Fig. 2 lower right corner.
As shown in the figure, a kind of thermal power plant electrostatic precipitation anode assembly 4 according to a specific embodiment of the present utility model, its static that can be used for the ultrafine dust of gypsum particle and PM2.5 and so in the desulfurization flue gas of thermal power plant removes, wherein, described anode assembly 4 has by square steel 401 and is welded into the upper bracket 41 of groined type shape and the lower bracket 42 that channel-section steel 400 is welded into the groined type shape, is formed with a plurality of corresponding square holes 40 up and down between the square steel 401 of described upper bracket 41 and the channel-section steel 400 of lower bracket 42; Between described upper bracket 41 and described lower bracket 42, position along described square steel 401 and channel-section steel 400 places, form honeycomb by fiber cloth 43 around described square hole 40, the square steel 401 of described upper bracket 41 forms the water channel 411 of perforation, and the bottom of described water channel 411 is evenly distributed with and makes described fiber cloth 43 soak into the water injection hole 412 of conduction.In a specific embodiment, described fiber cloth 43 can be made by fire-retardant polymerization terylene, so, in the electrostatic field of electrostatic precipitator 3 in the high temperature discharge environment, it is on fire to avoid fiber cloth 43 to be lighted, and polymerization terylene itself does not possess electric conductivity, only just conducts electricity after current soak into, adopt conductive fiber as fiber cloth than prior art, cost is lower.
Show that for clear fiber cloth 43 has only specifically shown close observer's one side among the figure, the fiber cloth 43 at side and the back side has adopted simplified painting, only shows the profile of a cardinal principle, certainly, does not influence those skilled in the art's understanding like this.In addition, should be noted in the discussion above that water injection hole 412 is distributed in the square steel 401 formed water channels 411 of upper bracket 41, the water that injects water channel 411 can be trickled from top to bottom and soak into fiber cloth 43.The water channel 421 that lower bracket 42 has can be collected the water that flows down from fiber cloth 43, and the hole 422 in the water channel 421 of lower bracket 42 can be discharged the water that washes away in the solid matter that gets off, the gypsum liquid that is beneficial to adsorb can be gathered in the water channel 421 of lower bracket 42, and the secondary that is beneficial to foreign material in removing and the anti-sealing carries.
In a specific embodiment, each square steel 401 between upper bracket 41 and lower bracket 42 and the binding site of channel-section steel 400, as shown in the figure, be provided with a vertical supporting rod 44 that supports described fiber cloth 43, described vertical supporting rod 44 is evenly distributed with four draw-in grooves 441 along its length direction, and the both sides of described fiber cloth 43 are stuck in the draw-in groove 441 of two corresponding vertical supporting rods 44.For avoiding corrosion, reduce cost and reduce construction weight, in a specific embodiment, described vertical supporting rod 44 can be made by glass fibre.
Further, the both sides of fiber cloth 43 are provided with a card rope 431, and described fiber cloth 43 is stuck in the described draw-in groove 441 by described card rope 431 is passed described draw-in groove 441.
Specifically, the inside dimensions of described draw-in groove 441 is greater than opening size, the both sides of described fiber cloth 43 are sewed with the rope sling 432 that passes freely through for described card rope 431, and the diameter after the described rope sling 432 of described card rope 431 parcels is greater than the opening size of described draw-in groove 441 and less than the inside dimensions of described draw-in groove 441.So, after card rope 431 passes rope sling 432, further will block rope 431 and pass draw-in groove 441, pull fiber cloth 43 along card rope 431 then, just whole fiber cloth 43 can be snapped onto in the draw-in groove 441 securely, make the part of joining around four fiber cloths 43 of square hole 40 without any the slit, be unlikely in the process of dedusting air-flow and laterally run helter-skelter, influence dust removing effects.On the other hand, use because the fiber cloth 43 that soaks into is anode as electrostatic precipitation in the operation process of equipment, if there is the slit each other in fiber cloth 43, will certainly make that electrostatic field is inhomogeneous, make dust removing effects have a greatly reduced quality.In fact, for fear of in installation process, card rope 431 passes separately in the process of draw-in groove 441 to deviate from from draw-in groove 441, the diameter of card rope 431 equally also should be greater than the opening size of draw-in groove 441, certainly, because the sizes of card rope 431 parcel rope slings 432 are less than the inside dimensions of draw-in groove 441, therefore, the diameter of card rope 431 also is less than the inside dimensions of draw-in groove 441 certainly.
For ease of installing, an end of vertical supporting rod 44 is provided with the threaded mounting hole (not shown), and the other end is provided with locating hole 442; Square steel or channel-section steel corresponding to the position at locating hole 442 places of described vertical supporting rod 44 are provided with alignment pin 443, are provided with set bolt 444 corresponding to square steel or the channel-section steel of the position at the threaded mounting hole place of described vertical supporting rod 44.As shown in the figure, alignment pin 443 is fixed on described square steel 401 or the channel-section steel 400 by screw 445.
In the utility model, one end adopts alignment pin 443, the other end adopts set bolt 444, then an end of alignment pin 443 can painstakingly and freely rotate, that end of alignment pin 443 is rotated, and the set bolt 444 of the other end can keep tight condition.In addition, for the facility of making, in the utility model, alignment pin 443 is fixed on square steel 401 or the channel-section steel 400 by screw 445, just have the screw corresponding with screw 445 at the installation end of alignment pin 443, screw 445 is screwed in the screw of alignment pin 443 after passing installing hole on square steel 401 or the channel-section steel 400, thereby alignment pin 443 is fixed on square steel 401 or the channel-section steel 400, arrange like this and can avoid in installation process, adopting welding that alignment pin 443 is fixed on square steel 401 or the channel-section steel 400 on the one hand, on the other hand can be so that adjust in the installation process.Because the entire equipment height is very big, usually more than 10 meters, therefore adopt the welding meeting cumbersome.
After fiber cloth 43 had been separated to form honeycomb by said structure, the upper and lower side of fiber cloth 43 also needed further to fix, even up.In a specific embodiment, the downside of upper bracket 41 is provided with the upper support bar 435 of the upper end of supporting described fiber cloth 43, and the upside correspondence of described lower bracket 42 is provided with the lower support bar 436 of the lower end of supporting described fiber cloth 43.
The upper and lower side of described fiber cloth is walked around described upper support bar 435 and described lower support bar 436 respectively, is fixed on described upper support bar 435 and the described lower support bar 436 by buckle 437.The upper support bar 435 that schematically shows among the figure and lower support bar 436 can be separately fixed at by suitable syndeton on upper bracket 41 and the lower bracket 42.
Anode assembly provided by the utility model has air velocity height, removal efficiency height, advantage that cost is low, it is simple in structure, conduct electricity very well, installation and maintenance are simple and convenient, long service life, alleviate the steel using amount of conventional support system and anode system greatly, the emission problem that can solve simply and effectively that gypsum that coal steam-electric plant smoke discharging faces pollutes and dust exceeds standard has good economic benefits, social benefit and environmental benefit.
The above only is the schematic specific embodiment of the utility model, is not in order to limit scope of the present utility model.Any those skilled in the art, the equivalent variations of doing under the prerequisite that does not break away from design of the present utility model and principle, modification and combination all should belong to the scope that the utility model is protected.
Claims (10)
1. thermal power plant's electrostatic precipitation anode assembly, being used for the desulfurization flue gas gypsum particle of thermal power plant and the static of ultrafine dust removes, it is characterized in that, described anode assembly has by square steel and is welded into the upper bracket of groined type shape and the lower bracket that channel-section steel is welded into the groined type shape, is formed with a plurality of corresponding square holes up and down between the square steel of described upper bracket and the channel-section steel of lower bracket; Between described upper bracket and described lower bracket, position along described square steel and channel-section steel place, form honeycomb by fiber cloth around described square hole, the square steel of described upper bracket forms the water channel of perforation, and the bottom of described water channel is evenly distributed with and makes described fiber cloth soak into the water injection hole of conduction.
2. anode assembly according to claim 1, it is characterized in that, each square steel between described upper bracket and described lower bracket and the binding site of channel-section steel, be provided with a vertical supporting rod that supports described fiber cloth, described vertical supporting rod is evenly distributed with four draw-in grooves along its length direction, and the both sides of described fiber cloth are stuck in the draw-in groove of two corresponding vertical supporting rods.
3. anode assembly according to claim 2 is characterized in that, the both sides of described fiber cloth are provided with a card rope, and described fiber cloth is stuck in the described draw-in groove by described card rope is passed described draw-in groove.
4. anode assembly according to claim 3, it is characterized in that, the inside dimensions of described draw-in groove is greater than opening size, the both sides of described fiber cloth are sewed with the rope sling that passes freely through for described card rope, and described card rope wraps up diameter after the described rope sling greater than the opening size of described draw-in groove and less than the inside dimensions of described draw-in groove.
5. according to the described anode assembly of one of claim 1-4, it is characterized in that described upper bracket downside is provided with the upper support bar that supports described fiber cloth, the upside correspondence of described lower bracket is provided with the lower support bar that supports described fiber cloth.
6. anode assembly according to claim 5 is characterized in that, the upper and lower side of described fiber cloth is walked around described upper support bar and described lower support bar respectively, and is fixed by snap on described upper support bar and described lower support bar.
7. according to the described anode assembly of one of claim 2-4, it is characterized in that an end of described vertical supporting rod is provided with threaded mounting hole, the other end is provided with locating hole; Square steel or channel-section steel corresponding to the locating hole position of described vertical supporting rod are provided with alignment pin, are provided with set bolt corresponding to square steel or the channel-section steel of the position at the threaded mounting hole place of described vertical supporting rod.
8. anode assembly according to claim 7 is characterized in that, described alignment pin is fixed on described square steel or the channel-section steel by screw.
9. according to the described anode assembly of one of claim 2-4, it is characterized in that described vertical supporting rod is made by glass fibre.
10. according to the described anode assembly of one of claim 1-4, it is characterized in that described fiber cloth is made by fire-retardant polymerization terylene composite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051328 CN203044169U (en) | 2013-01-30 | 2013-01-30 | Electrostatic dust precipitation anode device in thermal power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320051328 CN203044169U (en) | 2013-01-30 | 2013-01-30 | Electrostatic dust precipitation anode device in thermal power plant |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203044169U true CN203044169U (en) | 2013-07-10 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320051328 Expired - Fee Related CN203044169U (en) | 2013-01-30 | 2013-01-30 | Electrostatic dust precipitation anode device in thermal power plant |
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| Country | Link |
|---|---|
| CN (1) | CN203044169U (en) |
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2013
- 2013-01-30 CN CN 201320051328 patent/CN203044169U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| ASS | Succession or assignment of patent right |
Owner name: BEIJING ZHICHENG TECHNOLOGY CO., LTD. Free format text: FORMER OWNER: BEIJING SIYUAN TONGNENG SCIENCE + TECHNOLOGY DEVELOPMENT CO., LTD. Effective date: 20131227 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20131227 Address after: 100070 Beijing city Fengtai District Haiying Road No. 6 Building No. 10 hospital room 401 (Park) Patentee after: BEIJING ZHICHENG TECHNOLOGY CO., LTD. Address before: 100070 Beijing city Fengtai District Haiying Road No. 6 Building No. 10 hospital Patentee before: Beijing Siyuan Tongneng Science & Technology Development Co., Ltd. |
|
| ASS | Succession or assignment of patent right |
Owner name: BEIJING KEZHIJIAN ENVIRONMENT PROTECTION ENGINEERI Free format text: FORMER OWNER: BEIJING ZHICHENG TECHNOLOGY CO., LTD. Effective date: 20140609 |
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| C41 | Transfer of patent application or patent right or utility model | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20140609 Address after: 100070 Beijing city Fengtai District Haiying Hospital No. 6 Building No. 10 Room 201 Patentee after: BEIJING KZJ ENVIRONMENTAL PROTECTION ENGINEERING CO., LTD. Address before: 100070 Beijing city Fengtai District Haiying Road No. 6 Building No. 10 hospital room 401 (Park) Patentee before: BEIJING ZHICHENG TECHNOLOGY CO., LTD. |
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| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20130710 Termination date: 20180130 |