CN204380856U - A kind of wet type moisture film electrode electricity coalescer - Google Patents
A kind of wet type moisture film electrode electricity coalescer Download PDFInfo
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- CN204380856U CN204380856U CN201420827815.2U CN201420827815U CN204380856U CN 204380856 U CN204380856 U CN 204380856U CN 201420827815 U CN201420827815 U CN 201420827815U CN 204380856 U CN204380856 U CN 204380856U
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Abstract
The utility model relates to a kind of wet type moisture film electrode electricity coalescer, comprise high-field electrode and high-voltage ac power that housing, earth electrode, high-pressure polar plate and high pressure prickle form, it is characterized in that described earth electrode comprises ground connection pole plate and ground connection pole plate water-locator, described ground connection pole plate water-locator comprises feed pipe, tilting liquid guide flow plate, seamless steel pipe, ground connection pole plate holddown groove, gripper shoe and bottom support seat; Described feed pipe is divided into two sections, two sections of feed pipe one end connect into as a whole by seamless steel pipe, wherein one end of one section of feed pipe is connected with water pump, and feed pipe is positioned at the top of tilting liquid guide flow plate and is fixedly connected with, and the feedwater pipeline section of adjacent tilting liquid guide flow plate is provided with circular hole; Be fixedly connected with gripper shoe top inside described tilting liquid guide flow plate, the angle of inclination of tilting liquid guide flow plate is 8-15 °, one deck absorbent material and its upper surface tiles.
Description
Technical field
The utility model relates generally to field of Environment Protection atmosphere pollution flue gas ash removal technology, is specifically related to a kind of wet type moisture film electrode electricity coalescer.
Background technology
Pollution problem is a problem demanding prompt solution of facing mankind always, and in recent years, atmosphere pollution obtained the close attention of people.Along with pollution problem is more and more serious, people are own through starting to pay close attention to inspirable particle concentration PM
10with superfine particulate matter PM
2.5on harm and the impact of environmental and human health impacts.And these fine dusts, most all derives from the discharge of coal-burning power plant's coal-powder boiler waste gas.How effectively can process the fine particle in waste gas, become a large task of environmentalist.
Nowadays coagulating technique is a study hotspot of domestic and international aerosol circle.It refers to that fine dust is contacted with each other by the approach of physics or chemistry and is combined into the process of larger particles.After fine dust coalescence becomes larger particles, more easily trapped by deduster.Coagulation also then by increasing the charge capacity of fine dust, promoting that it arrives the quantity on fly ash granule surface with electrophoretic, thus increasing the coalescence effect between dust.At present to coagulation and application study is mainly divided into 3 aspects: the coulomb coalescence of heteropolarity Charged; The coalescence of same polarity Charged in alternating electric field; The coalescence of heteropolarity Charged in alternating electric field.Wherein, the coalescence of heteropolarity Charged in alternating electric field, superior performance with strong points with it, the plurality of advantages such as easy to implement become coagulation and one of main development direction of dedusting technology.
Chinese patent (notification number is CN203663651U, CN202590955U, CN 203342941U and CN202942963U) discloses several coagulation and equipment, wherein notification number is that the patent of CN203663651U and CN202590955U mainly designs dry type electricity coalescer, and dry type coalescence easily produces inverse corona and reentrainment of dust in coalescence process; Notification number is the design then adopting spray mode to carry out wet type electricity coalescer in the patent of CN 203342941U and CN202942963U, Wet-type spray electricity coalescer exists because there being nozzle, design is often comparatively complicated, do not consider water distribution uniformity on ground connection pole plate, expensive, practical application possibility is little.
Utility model content
For the deficiencies in the prior art, the technical problem that the utility model quasi-solution is determined is, provides a kind of wet type moisture film electrode electricity coalescer.This electric coalescer is by designed water-locator water distribution on ground connection pole plate, form wet type moisture film electrode, can effectively make by the fine dust coalescence in coalescer flue gas, form the dust granules that particle diameter is larger, be convenient to the effective dedusting of existing follow-up electric cleaner, its structure is simple, and volume is little, cheap, be suitable for the features such as industrial application.This electric coalescer can make dust coalescence, then through follow-up electrostatic precipitator purifying and dedusting.
The utility model solve the technical problem adopted technical scheme, design a kind of wet type moisture film electrode electricity coalescer, comprise high-field electrode and high-voltage ac power that housing, earth electrode, high-pressure polar plate and high pressure prickle form, it is characterized in that described earth electrode comprises ground connection pole plate and ground connection pole plate water-locator, described ground connection pole plate water-locator comprises feed pipe, tilting liquid guide flow plate, seamless steel pipe, ground connection pole plate holddown groove, gripper shoe and bottom support seat; Described feed pipe is divided into two sections, two sections of feed pipe one end connect into as a whole by seamless steel pipe, one end of one of them feed pipe is connected with water pump, and feed pipe is positioned at the top of tilting liquid guide flow plate and is fixedly connected with, and the feedwater pipeline section of adjacent tilting liquid guide flow plate is provided with circular hole; Be fixedly connected with gripper shoe top inside described tilting liquid guide flow plate, the angle of inclination of tilting liquid guide flow plate is 8-15 °, one deck absorbent material and its upper surface tiles; Described gripper shoe is rectangular slab, its quantity is 2, gripper shoe side has the clamp screw keyhole of design quantity, described ground connection pole plate is consistent two rectangular slabs of shape and structure, ground connection pole plate inserts in ground connection pole plate holddown groove, the size of ground connection pole plate holddown groove and the size of ground connection pole plate match, and ground connection pole plate and gripper shoe side are connected by screw; Described high-pressure polar plate is positioned at the centre position of two ground connection pole plates, the geomery of high-pressure polar plate is identical with ground connection pole plate, and high-pressure polar plate and two ground connection pole plates are parallel to each other, described high-pressure polar plate is connected with high-voltage ac power, two ground connection pole plates are all connected to ground, and described high pressure prickle is evenly distributed on high-pressure polar plate.
Compared with prior art, the utility model electricity coalescer adopts the pole of prickle plate-wet type moisture film prickle plate to join form, has higher electric-field intensity and uniformity; Ground connection pole plate can adopt common metal pole plate, carbon fiber lamina membranacea, glass fibre lamina membranacea, resin plate, glass epoxy or adopt macromolecular compound plate or the macromolecular compound plates after carrying out parallel cutting thereon such as PVC, PE, PP, make its wall discharge evenly, distribution performance is better, coalescence efficiency can be improved, and it is cheap, durable, chemical stability is good; Adopt ground connection water-locator to make ground connection pole plate produces moisture film, have water vapor particle to overflow from moisture film under hyperbaric environment, interact with dust granules, greatly increase the collision efficiency of dust, alleviate the load of follow-up deduster simultaneously, coalescence better effects if; Meanwhile, the utility model electricity coalescer fully takes into account the application of moisture film electrode in electric coagulating technique, and also have structure simple, volume is little, and material is easy to get, the advantage that cost is low, is more suitable for industrial dedusting application.
Accompanying drawing explanation
Fig. 1 is the structural representation in the wet type moisture film electrode coalescer coalescence district of a kind of embodiment of the utility model wet type moisture film electrode coalescer;
Fig. 2 is the structural representation of the ground connection pole plate water-locator 42 of a kind of embodiment of the utility model wet type moisture film electrode coalescer;
Wherein, 1-air inlet, 2-gas outlet, 3-housing, 4-earth electrode, 41-ground connection pole plate, 42-ground connection pole plate water-locator (water-locator), 5-high-field electrode, 51-high-pressure polar plate, 52-high pressure prickle, 6-high-voltage ac power, 421-feed pipe, 422-tilting liquid guide flow plate, 423-seamless steel pipe, 424-dust collecting pole plate holddown groove, 425-gripper shoe, 426-bottom support seat, 427-clamp screw keyhole.
Detailed description of the invention
The utility model is further described below in conjunction with embodiment and accompanying drawing thereof.
The utility model wet type moisture film electrode electricity coalescer (is called for short electric coalescer, see Fig. 1-2) comprise housing 3, high-field electrode 5 that earth electrode 4, high-pressure polar plate 51 and high pressure prickle 52 are formed and high-voltage ac power 6, described earth electrode 4 comprises ground connection pole plate 41 and ground connection pole plate water-locator 42, described ground connection pole plate water-locator 42 (being called for short water-locator, see Fig. 2) comprises feed pipe 421, tilting liquid guide flow plate 422, seamless steel pipe 423, ground connection pole plate holddown groove 424, gripper shoe 425 and bottom support seat 426; Described feed pipe 421 is divided into two sections, one end of two sections of feed pipes 421 connects into as a whole by seamless steel pipe 423, wherein one end of one section of feed pipe 421 is connected with water pump, feed pipe 421 is positioned at the top of tilting liquid guide flow plate 422 and is fixedly connected with, and the feedwater pipeline section of adjacent tilting liquid guide flow plate 422 is provided with circular hole; Be fixedly connected with gripper shoe 425 top inside described tilting liquid guide flow plate 422, the angle of inclination of tilting liquid guide flow plate 422 is 8-15 °, one deck absorbent material and its upper surface tiles; Described gripper shoe 425 is rectangular slab, its quantity is 2, gripper shoe 425 side has the clamp screw keyhole 427 of design quantity, described ground connection pole plate 41 is consistent two rectangular slabs of shape and structure, ground connection pole plate 41 inserts in ground connection pole plate holddown groove 424, the size of ground connection pole plate holddown groove 424 and the size of ground connection pole plate 41 match, and ground connection pole plate 41 and gripper shoe 425 side are connected by screw; Described high-pressure polar plate 51 is positioned at the centre position of two ground connection pole plates 41, the geomery of high-pressure polar plate 51 is identical with ground connection pole plate 41, and high-pressure polar plate 51 and two ground connection pole plates 41 are parallel to each other, described high-pressure polar plate 51 is connected with high-voltage ac power 6, two ground connection pole plates 41 are all connected to ground, and described high pressure prickle 52 is evenly distributed on high-pressure polar plate 51.
Of the present utility modelly be further characterized in that the discharge of described feed pipe 421 is 150-350L/h.
Of the present utility modelly be further characterized in that the arranged vertical clearance of described high pressure prickle 52 on high-pressure polar plate 51 is all equal with horizontal spacing, spacing is 20-120mm, and the length of described high pressure prickle 52 is 8-20mm, and diameter is 1.5-4mm.
Of the present utility modelly be further characterized in that the output voltage of described high-voltage ac power 6 is 20-140kV, frequency is 5-120Hz.
Of the present utility modelly be further characterized in that described ground connection pole plate 41 adopts metal polar plate, carbon fiber lamina membranacea, glass fibre lamina membranacea, resin plate, glass epoxy or macromolecular compound plate or the macromolecular compound plate after adopting parallel cutting to make.
Of the present utility modelly be further characterized in that the outer surface of described ground connection pole plate 41 is provided with ground connection prickle.
Of the present utility modelly be further characterized in that ground connection prickle and high pressure prickle 52 are staggered and arrange; The length of ground connection prickle is 8-35mm, and diameter is 2-5mm.
The utility model wet type moisture film electrode electricity coalescer operation principle and process are: the flue gas containing fine dust enters electric coalescer through air inlet 1, the high voltage electric field of electricity coalescer is supplied by high-voltage ac power 6, corona is formed near the tip of high pressure prickle 52, carry out corona discharge, the ground connection pole plate 41 simultaneously connecting water-locator 42 pairs of both sides of water pump carries out water distribution, ground connection pole plate 41 surface is made to form uniform water film, moisture film on ground connection pole plate 41 evaporation of water speed under the effect of high voltage electric field increases greatly, water vapor particle is overflowed, mutually collide with the dust in passage and adhere to, dust in alternating electric field by lotus with heterocharge, move back and forth under the effect of alternating electric field power, the progressively coalescence dust that becomes particle diameter larger, crude particle dust after coalescence is discharged through gas outlet 2 with flue gas, enter into follow-up electrostatic precipitator, because the crude particle dust volume after coalescence is large, to be easy to trap by follow-up electrostatic precipitator and remove, on the other hand, moisture film ground connection pole plate 41 Absorbable rod part dust, reduces the load of follow-up electrostatic precipitator to a certain extent.
The operation principle of the utility model water-locator 42 is: water source enters feed pipe 421 by feed pump, feed pipe 421 is drilled with tiny circular hole along tilting liquid guide flow plate 422 sections of belows, circular hole size through optimum experimental to ensure suitable output, water source flows out on tilting liquid guide flow plate 422 through circular hole, tilting liquid guide flow plate 422 is for there being the flat board at certain angle of inclination, flat board is covered with absorbent material, can be absorbed by the sponge when water source flow to tilting liquid guide flow plate 422 and slowly stay afterwards to sponge is saturated, ground connection pole plate 41 forms moisture film.
The utility model electricity coalescer can be independently product, also can be fitted in electrostatic precipitator as parts.Therefore the utility model electricity coalescer is particularly conducive to the upgrading of conventional electrostatic cleaner.In other words, the utility model also relates to a kind of electrostatic precipitator, it is characterized in that this deduster is fitted with wet type moisture film electrode described in the utility model electricity coalescer.
The utility model is ensure that the ground connection pole plate 41 of different-thickness can firmly be fixed in ground connection pole plate holddown groove 424, every collateral fagging 425 has 5-11 clamp screw keyhole 427, make ground connection pole plate 41 firmly motionless in ground connection pole plate holddown groove 424 by slack adjuster, wherein the quantity of clamp screw keyhole 427 is relevant with the size of ground connection pole plate 41 and kind, and the quantity of general preferred clamp screw keyhole 427 is 7.Water-locator 42 main body all adopts PVC material to make except seamless steel pipe 423, good insulation preformance, and each tip is done grinding process and prevented point discharge.
The utility model electricity coalescer adopts the pole of prickle plate-wet type moisture film prickle plate to join form, has higher electric-field intensity and uniformity; Ground connection pole plate can adopt common metal pole plate, make simple, material is extensive, also can adopt carbon-fiber film or glass fibre membrane or fiberglass, wall discharge evenly, distribution performance is good, coalescence efficiency can be improved, also can adopt the macromolecular compound plates such as PVC, PE, PP and carry out parallel cutting thereon, cheap, durable, chemical stability is good; In electricity coalescer running, high pressure prickle produces electric charge corona, and make dust charged, under action of alternative electric field, Charged moves reciprocatingly, and produces coalescence phenomenon between dust by collision; Hyperbaric environment can make water accelerate evaporation rate, on ground connection pole plate, moisture film is produced by water-locator, water vapor particle is overflowed in moisture film, make the existence having water vapor particle in passage, dust can contact with water vapor particle and mutually adhere to, greatly increase the collision opportunity between particle, further increase the collision efficiency of dust; In addition moisture film electrode is removed after part big dust particle also can be made water-soluble, alleviates the load of follow-up deduster; After Charged coalescence, volume and surface area increase, and also can carry out again charged, and electricity increases, and therefore coalescence is respond well; Meanwhile, the utility model electricity coalescer fully takes into account the application of moisture film electrode in electric coagulating technique, and also have structure simple, volume is little, and material is easy to get, the advantage that cost is low, is relatively applicable to dropping into industrial dedusting application.
The utility model is not addressed part and is applicable to prior art.
It is below specific embodiment of the utility model.Described embodiment, only for specifically describing the utility model, does not limit the protection domain of the application's claim.
Embodiment 1
Design an electric coalescer.Electricity coalescer is by housing 3, be symmetricly set in two ground connection pole plates 41 in housing 3, the water-locator 42 interfixed with ground connection pole plate 41, a high-field electrode 5 forms, high-field electrode 5 is arranged on up and down between two earth electrodes 41 of symmetry, and the heteropole between high-pressure polar plate 51 with ground connection pole plate 41 is apart from equal; High-pressure polar plate 51 is connected with the high-pressure stage of high-voltage ac power 6,2 ground connection pole plates 41 all ground connection; Electric field is supplied by high-voltage ac power 6; Water-locator 42 on ground connection pole plate is connected with water pump, and gripper shoe 425 side on water-locator 42 is provided with 7 clamp screw keyholes 427.
The concrete structure parameter designing of this electric coalescer is: housing 3 is cuboid, axially drive gas port 1 and gas outlet 2 into, the size of high-pressure polar plate 51 and ground connection pole plate 41 is 960 × 1025mm, earthing pole plate material selects carbon fiber lamina membranacea, and the spacing of high-pressure polar plate 51 and ground connection pole plate 41 is 200mm, and the length of high pressure prickle 51 is 12mm, the diameter of high pressure prickle 52 is 2mm, the longitudinal and transverse spacing of high pressure prickle 52 is 50mm, and the rated output voltage of high-voltage ac power 6 is 35kV, and frequency is 10Hz.
Through experiment, being 1.8m/s at the import wind speed of flue gas, is 2.00g/m to powder concentration
3, flow of inlet water is under the condition of 250L/h, and the dust volume occupation rate that before and after coalescence, in flue gas, particle diameter is less than 7.0 μm is changed to 3.4; The dust volume occupation rate that particle diameter is less than 2.5 μm is changed to 2.3.
Embodiment 2
The structure composition of this electric coalescer is with embodiment 1.But be provided with ground connection prickle on ground connection pole plate, concrete structure parameter designing is:
Housing 3 is cuboid, axially drive gas port 1 and gas outlet 2 into, the size of high-pressure polar plate 51 and ground connection pole plate 41 is 450 × 800mm, earthing pole plate material selects metallic plate, the spacing of high-pressure polar plate 51 and ground connection pole plate 41 is 200mm, the length of high pressure prickle 51 is 20mm, ground connection pole plate 41 is provided with ground connection prickle, the length of ground connection prickle is 20mm, the diameter of high pressure prickle 52 and ground connection prickle is 3mm, indulging of high pressure prickle 52, horizontal spacing is 30mm, indulging of ground connection prickle, horizontal spacing is 30mm, the rated output voltage of high-voltage ac power 6 is 35kV, frequency is 10Hz.
Through experiment, being 1.8m/s at the import wind speed of flue gas, is 2.00g/m to powder concentration
3, flow of inlet water is under the condition of 250L/h, and the dust volume occupation rate that before and after coalescence, in flue gas, particle diameter is less than 7.0 μm is changed to 3.5; The dust volume occupation rate that particle diameter is less than 2.5 μm is changed to 2.
Embodiment 3
The structure composition of this electric coalescer is with embodiment 1.But concrete structure parameter designing is:
Housing 3 is cuboid, axially drive gas port 1 and gas outlet 2 into, the size of high-pressure polar plate 51 and ground connection pole plate 41 is 600 × 960mm, earthing pole plate material selects PVC board and parallel cutting, groove dimensions is groove depth 6mm, groove width 3mm, separation 2mm, the spacing of high-pressure polar plate 51 and ground connection pole plate 41 is 200mm, the length of high pressure prickle 51 is 20mm, the diameter of high pressure prickle 52 is 4mm, the longitudinal and transverse spacing of high pressure prickle 52 is 50mm, the rated output voltage of high-voltage ac power 6 is 35kV, and frequency is 10Hz.
Through experiment, being 1.8m/s at the import wind speed of flue gas, is 2.00g/m to powder concentration
3, flow of inlet water is under the condition of 250L/h, and the dust volume occupation rate that before and after coalescence, in flue gas, particle diameter is less than 7.0 μm is changed to 3.1; The dust volume occupation rate that particle diameter is less than 2.5 μm is changed to 2.2.
Claims (7)
1. a wet type moisture film electrode electricity coalescer, comprise high-field electrode and high-voltage ac power that housing, earth electrode, high-pressure polar plate and high pressure prickle form, it is characterized in that described earth electrode comprises ground connection pole plate and ground connection pole plate water-locator, described ground connection pole plate water-locator comprises feed pipe, tilting liquid guide flow plate, seamless steel pipe, ground connection pole plate holddown groove, gripper shoe and bottom support seat; Described feed pipe is divided into two sections, two sections of feed pipe one end connect into as a whole by seamless steel pipe, wherein one end of one section of feed pipe is connected with water pump, and feed pipe is positioned at the top of tilting liquid guide flow plate and is fixedly connected with, and the feedwater pipeline section of adjacent tilting liquid guide flow plate is provided with circular hole; Be fixedly connected with gripper shoe top inside described tilting liquid guide flow plate, the angle of inclination of tilting liquid guide flow plate is 8-15 °, one deck absorbent material and its upper surface tiles; Described gripper shoe is rectangular slab, its quantity is 2, gripper shoe side has the clamp screw keyhole of design quantity, described ground connection pole plate is consistent two rectangular slabs of shape and structure, ground connection pole plate inserts in ground connection pole plate holddown groove, the size of ground connection pole plate holddown groove and the size of ground connection pole plate match, and ground connection pole plate and gripper shoe side are connected by screw; Described high-pressure polar plate is positioned at the centre position of two ground connection pole plates, the geomery of high-pressure polar plate is identical with ground connection pole plate, and high-pressure polar plate and two ground connection pole plates are parallel to each other, described high-pressure polar plate is connected with high-voltage ac power, two ground connection pole plates are all connected to ground, and described high pressure prickle is evenly distributed on high-pressure polar plate.
2. wet type moisture film electrode electricity coalescer according to claim 1, is characterized in that the discharge of described feed pipe is 150-350L/h.
3. wet type moisture film electrode electricity coalescer according to claim 1, it is characterized in that the arranged vertical clearance of described high pressure prickle on high-pressure polar plate is all equal with horizontal spacing, spacing is 20-120mm, and the length of described high pressure prickle is 8-20mm, and diameter is 1.5-4mm.
4. wet type moisture film electrode electricity coalescer according to claim 1, it is characterized in that the output voltage of high-voltage ac power is 20-140kV, frequency is 5-120Hz.
5., according to claim 1-4 arbitrary described wet type moisture film electrode electricity coalescer, it is characterized in that the outer surface of described ground connection pole plate is provided with ground connection prickle.
6. wet type moisture film electrode electricity coalescer according to claim 5, it is characterized in that ground connection prickle and high pressure prickle are staggered and arrange, the length of ground connection prickle is 8-35mm, and diameter is 2-5mm.
7. an electrostatic precipitator, is characterized in that this deduster is fitted with wet type moisture film electrode according to claim 6 electricity coalescer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420827815.2U CN204380856U (en) | 2014-12-22 | 2014-12-22 | A kind of wet type moisture film electrode electricity coalescer |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201420827815.2U CN204380856U (en) | 2014-12-22 | 2014-12-22 | A kind of wet type moisture film electrode electricity coalescer |
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| CN204380856U true CN204380856U (en) | 2015-06-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492604B (en) * | 2014-12-22 | 2016-07-06 | 河北工业大学 | A kind of wet type moisture film electrode electricity coalescer |
-
2014
- 2014-12-22 CN CN201420827815.2U patent/CN204380856U/en not_active Withdrawn - After Issue
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104492604B (en) * | 2014-12-22 | 2016-07-06 | 河北工业大学 | A kind of wet type moisture film electrode electricity coalescer |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20150610 Effective date of abandoning: 20160706 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |