CN104971825A - Hanging type insulating device of wet electric precipitator insulating box - Google Patents
Hanging type insulating device of wet electric precipitator insulating box Download PDFInfo
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- CN104971825A CN104971825A CN201510408952.1A CN201510408952A CN104971825A CN 104971825 A CN104971825 A CN 104971825A CN 201510408952 A CN201510408952 A CN 201510408952A CN 104971825 A CN104971825 A CN 104971825A
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- insulating boot
- wet electric
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Abstract
A hanging type insulating device of a wet electric precipitator insulating box comprises an insulating cover, an insulating box base, an insulator, a hanging rod and a cyclone disc. The insulating cover is arranged on the insulating box base through a bottom disc flange. A conical hole is formed in the center of a bottom plate of the insulating cover, and the large opening end of the conical hole faces upwards. The cyclone disc is a circular ring. A plurality of air flues are evenly distributed on the circumferential wall of the cyclone disc. The air flues are inclined air flues with the large outer ports and the smaller inner ports and are consistent in inclination direction. The cyclone disc is arranged in the conical hole of the bottom plate of the insulating cover, is coaxial with the bottom disc flange and is arranged at the upper end of the bottom disc flange. The insulator is placed at the upper portion of the cyclone disc. An air inlet is formed in the top of the insulating cover. After entering a cavity of the insulating cover through the air inlet, the hot air enters the insulating box base through the air flues on the cyclone disc, and a backspin cyclone curtain can be formed after hot air enters the insulating box base; partition is formed for an insulating box base inner cavity where wet smoke invades, the short circuit between the hanging rod with high-voltage electricity and the cavity of the insulating cover so that electric conduction can be avoided, and the short-circuit access among the hanging rod, a gland and the insulating box base is blocked.
Description
Technical field
The present invention relates to insulating suspension device field, be specifically related to a kind of wet electric cleaner insulated case suspension type seal.
Background technology
Wet-esp is identical with dry electric precipitation general principle, is all to adopt high voltage direct current to flutter collection dust, and voltage can reach about 80 kilovolts.Compared with dry electric precipitation, wet-esp process be wet flue gas, in insulation, have higher insulating requirements.The insulation mode of current use has two kinds:
(1) taper quartz ampoule insulator, which is applied in the industry such as sulfuric acid, coking the earliest, and use relatively ripe, its shortcoming mainly contains several lower aspect:
(1) to be not easy procurement price higher for quartz ampoule;
(2) insulated case adopts electrical heating, and each insulated case power consumption reaches more than 2 kilowatts, and use cost is high;
(3) insulated case heating is high 110 DEG C-130 DEG C to temperature requirement, requires harsh to automation, improve automation cost and fault rate, and each insulated case Aulomatizeted Detect control point is more than 9, and the cost of each point is not at 500-2000 etc.;
(4) long-time use easily forms crystalline solid in quartz ampoule, and final guiding discharge is broken up, poor stability;
(5) quartz ampoule is that quartz is burnt paper as sacrificial offerings and formed, and defect is more, and processing rear surface is coarse easily in surperficial dust, final guiding discharge.
(2) three pillar type ceramic insulator, which belongs to two different factions with quartz tube type, and its shortcoming mainly contains several lower aspect:
(1) insulated case housing is comparatively large, and diameter reaches 2m, increases cost;
(2) large with air quantity, each insulated case air quantity is at 700m
3/ h power consumption, at 21 kilowatts, increases fan delivery and electrically heated power, improves cost and operating cost;
(3) inconvenient installation and maintenance.
In wet electric cleaner, the flue gas of process is the saturated vapor containing certain humidity, comes lecture produce good effect although this saturated vapor contains certain humidity dedusting, and simultaneously it also can be given the insulation of electrostatic precipitator and anticorrosionly bring more hang-up.In recent years from the operation conditions of wet electric cleaner device, the fault occurrence frequency that above-mentioned factor causes is higher.In order to improve efficiency of dust collection, under needing to make high voltage source operate in high C-V characteristic operating mode all the time, but needing good insulating corrosion means accordingly and supporting.Therefore, for wet electric cleaner, the realization of the anti-corrosion insulation performance that the insulated case erecting by overhang with high-tension electricity is good and stable is the key technology urgently broken through.
Summary of the invention
For above-mentioned defect, the object of the present invention is to provide a kind of wet electric cleaner insulated case suspension type seal, ensure the reliability of good anti-corrosion insulation performance.
The present invention solves the technical scheme that its technical problem takes: a kind of wet electric cleaner insulated case suspension type seal, comprises insulating boot, insulation block, insulator, hanging bar and cyclone disk; The gland of described insulator arranges hanging bar; Described insulating boot is arranged on described insulation block by chassis flange; The base plate center of described insulating boot bellmouth is set and the big opening end making bellmouth upward; Described cyclone disk is torus, uniformly on the perisporium of cyclone disk arranges multiple air channel, and described air channel is inclination air channel that the large inner port of external port is little and the incline direction in each air channel is consistent; Bellmouth bottom diameter on described insulating boot base plate is greater than the external diameter of described cyclone disk, and the external diameter of described cyclone disk is greater than the inner ring diameter of described chassis flange; Described cyclone disk and described chassis flange coaxial and be placed on the upper surface of described chassis flange; Described insulator is placed on the top of described cyclone disk; The top of described insulating boot arranges air inlet.
Further, the hot blast sent into through described air inlet for generate after vapor heat exchanger heat exchange, and described vapor heat exchanger connects the tail end exhaust steam floss hole of power plant or steel mill.
Further, described air inlet is set to swirl diffuser and makes the eddy flow direction of air inlet consistent with the incline direction of described cyclone disk upper air duct.
Further, the wall body of described insulating boot is made up of shell body, alumina silicate fiber felt and inner housing, and described alumina silicate fiber felt is interposed between described shell body and inner housing; Described shell body and inner housing adopt noncorroding metal sheet material matter to make.
Further, described insulator is single-column ceramic insulator.
Further, temperature-measuring port is set at the top of described insulating boot.
Further, pressure tap is set in the side wall lower ends of described insulating boot.
The invention has the beneficial effects as follows:
After hot blast enters the cavity of insulating boot by air inlet, can enter in insulation block by the air channel on cyclone disk, because the air channel on cyclone disk tilts along consistent direction, so hot blast is entering through cyclone disk after in insulation block and can forming whirlwind, sent into wind speed and the flow (200M of hot blast by adjustment air inlet
3/ H can meet), the whirlwind generated in insulation block can be made to form the whirlwind air curtain of backspin, thus cut off wet flue gas being invaded formed, prevent wet flue gas from invading insulation block inner chamber, thus prevent with causing short circuit between the hanging bar of high-tension electricity and the chamber of insulating boot and conduct electricity, block between hanging bar, gland, insulation block and form short circuit path.
Hot blast is for be formed by vapor heat exchanger, and the source of steam is the terminal exhaust steam of power plant or steel mill, and temperature is between 70 degrees Celsius to 80 degrees Celsius, so the thermal source that hot blast generates is for gathering materials on the spot, improves the recovery utilization rate of the energy further.
Hot blast can heat them respectively when flowing through insulating boot and insulation block inner chamber, and namely playing the double utility adding heat insulator and isolation wet flue gas, is the effect realizing one grade of double-purpose.Rely on this heat effect, insulation block, insulating boot do not need extra by electrical heating, energy-conservation, reduce old of power consumption.
After air inlet is set to swirl diffuser, hot blast is made to enter insulation block with the form of downward eddy flow in insulating boot, because the Whirl deposite tank formed in insulating boot is corresponding with the air port incline direction of cyclone disk, give the eddy flow air curtain of formation in insulation block in advance initially to revolve speed, contribute to improving the eddy flow effect forming whirlwind air curtain in insulation block, to the wind speed of air inlet, air quantity requirement, for the air pressure requirement that conveying is formed at insulating boot inner chamber as the hot blast in insulating boot, decrease, because if hot blast does not enter the words of cyclone disk with certain eddy flow, want to form the air curtain enough playing partition effect in insulation block, just must increase the inner chamber air pressure of insulation block, to the reduction that wind speed, air quantity require.
Ceramic-type insulator can be adopted, the deficiency that the taper quartz ampoule insulator having evaded current employing causes, without automatic monitoring point, improve safety in utilization and operating cost, reduce cost of investment; Ceramic-type insulator surface smoothness is high, not easily dust, and voltage endurance capability is strong, facilitates market purchasing.
Insulating boot wall body adopts shell body, alumina silicate fiber felt and inner housing to be compounded to form, while ensureing support stiffness, utilizing the heat-insulating property of alumina silicate fiber felt to have concurrently, it is high temperature resistant, thermal conductivity is low, heat-proof quality is good, under equal conditions uses, aluminium silicate products good stability lower by more than 30%, lightweight than other insulation material thermal conductivity, there is the features such as soft, light high resilience, dry method product 80 ~ 100kg/m
3, wet method product 100 ~ 130kg/m
3, molten metal is not moistened.Have good chemical stability, sound absorption sound insulation value is good, has good sound-insulation effect, gas good insulating, has very high dielectric constant; The characteristics such as high-frequency insulation material can be done.
Temperature-measuring port is set and pressure tap can detect the thermometer pressure of hot blast in real time, ensure that effective operation that device is long-term, stable.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention;
Fig. 2 is the radial sectional structure schematic diagram of cyclone disk in the present invention;
Fig. 3 be insulate in the present invention block coordinate with cyclone disk after schematic front view;
In figure: 1 chassis flange, 2 shell bodies, 3 inner housings, 4 insulation blocks, 5 cyclone disks, 51 air channels, 52 rotary wind screens, 6 air inlets, 7 insulators, 8 upper covers, 9 alumina silicate fiber felts, 10 glands.
Detailed description of the invention
For the ease of understanding technology contents of the present invention, just by reference to the accompanying drawings its technical scheme is described further below.
One as shown in Figure 1 to Figure 3 wets electric cleaner insulated case suspension type seal, comprises insulating boot, insulation block 4, cyclone disk 5, insulator 7 and hanging bar.The gland 10 of described insulator 7 arranges hanging bar.Described insulating boot is arranged on described insulation block 4 by chassis flange 1.
As shown in Figure 1, the wall body of described insulating boot is made up of shell body 2, alumina silicate fiber felt 9 and inner housing 3, and described alumina silicate fiber felt 9 is interposed between described shell body 2 and inner housing 3, and described shell body 2 and inner housing 3 adopt noncorroding metal sheet material matter to make.The base plate center of described insulating boot bellmouth is set and the big opening end making bellmouth upward.The top of described insulating boot and upper cover 8 arrange air inlet 6.
Can arrange temperature-measuring port in the top side wall of described insulating boot, side wall lower ends arranges pressure tap.
Described air inlet 6 is set to swirl diffuser and makes the eddy flow direction of air inlet 6 with consistent in the rotation direction that generates whirlwind air curtain in block 4 of insulating through described cyclone disk 5 by benefit.
The hot blast that air inlet 6 is sent into is through generating with vapor heat exchanger heat exchange, and described vapor heat exchanger connects the tail end exhaust steam floss hole of power plant or steel mill.
As shown in Figure 1 to Figure 3, described cyclone disk 5 is torus, uniform on the perisporium of cyclone disk 5 multiple air channel 51 is set, described air channel 51 is inclination air channel that the large inner port of external port is little and the incline direction in each air channel 51 consistent (it is consistent that the outer tangent line that the incline direction in so-called each air channel 51 unanimously refers to the air inlet center in each air channel 51 and air channel are tilted to the angle formed between center line).
As shown in Figure 1, Figure 3, the bellmouth bottom diameter on described insulating boot base plate is greater than the external diameter of described cyclone disk 5, and the external diameter of described cyclone disk 5 is greater than the inner ring diameter of described chassis flange 1.Thus shown cyclone disk 5 can be placed in the bellmouth of insulating boot base plate, make described cyclone disk 5 and described chassis flange 1 coaxial and be placed on the upper surface of described chassis flange 1.Described insulator 7 is placed on the top of described cyclone disk 5.Described insulator 7 is single-column ceramic insulator.Load-bearing is directly passed to the gland 10 of insulator 7 through hanging bar, and gland 10 passes to cyclone disk 5 again and cyclone disk 5 is pressed in the upper surface of chassis flange 1, so the setting of chassis flange 1, must guarantee that it has enough rigidity.
Hot blast is by being formed with vapor heat exchanger heat exchange, and the source of steam is the terminal exhaust steam of power plant or steel mill, and temperature is between 70 degrees Celsius to 80 degrees Celsius, so the thermal source that hot blast generates is for gathering materials on the spot, improves the recovery utilization rate of the energy further.
During work, hot blast is entered the cavity of insulating boot with cyclonic form by air inlet 6, insulate in block 4 by the air channel 51 on cyclone disk 5 to flow to enter to suitable eddy flow with air channel 51 incline direction, because the air channel 51 on cyclone disk 5 tilts along consistent direction, so hot blast is entering the formation continuous print whirlwind that to continue after in insulation block 4 through cyclone disk 5.Wind speed and the flow (180M of hot blast is sent into by adjustment air inlet 6
3/ H to 200M
3/ H can meet), the whirlwind generated in insulation block 4 can be made to form the whirlwind air curtain 52 (as shown in Figure 2 and Figure 3) of backspin, thus cut off wet flue gas being invaded formed, prevent wet flue gas from invading insulation block 4 inner chamber, thus prevent with causing short circuit between the hanging bar of high-tension electricity and the chamber of insulating boot and conduct electricity, block between hanging bar, gland 10, insulation block 4 and form short circuit path.
Hot blast can heat them respectively when flowing through insulating boot and insulation block 4 inner chamber, and namely playing the double utility adding heat insulator and isolation wet flue gas, is the effect realizing one grade of double-purpose.Rely on this heat effect, insulation block 4, insulating boot do not need extra by electrical heating, energy-conservation, reduce old of power consumption.
Except the technical characteristic described in description, be the known technology of those skilled in the art.
Claims (10)
1. a wet electric cleaner insulated case suspension type seal, comprises insulating boot, insulation block, insulator and hanging bar, the gland of described insulator arranges hanging bar, it is characterized in that:
Also comprise cyclone disk;
Described insulating boot is arranged on described insulation block by chassis flange;
The base plate center of described insulating boot bellmouth is set and the big opening end making bellmouth upward;
Described cyclone disk is torus, uniformly on the perisporium of cyclone disk arranges multiple air channel, and described air channel is inclination air channel that the large inner port of external port is little and the incline direction in each air channel is consistent;
Bellmouth bottom diameter on described insulating boot base plate is greater than the external diameter of described cyclone disk, and the external diameter of described cyclone disk is greater than the inner ring diameter of described chassis flange;
Described cyclone disk and described chassis flange coaxial and be placed on the upper surface of described chassis flange;
Described insulator is placed on the top of described cyclone disk;
The top of described insulating boot arranges air inlet, and described air inlet connects hot air source.
2. wet electric cleaner insulated case suspension type seal according to claim 1, is characterized in that: the hot blast sent into through described air inlet for generate after vapor heat exchanger heat exchange, and described vapor heat exchanger connects the tail end exhaust steam floss hole of power plant or steel mill.
3. wet electric cleaner insulated case suspension type seal according to claim 1 and 2, is characterized in that: described air inlet is set to swirl diffuser and makes the eddy flow direction of air inlet consistent with the incline direction of described cyclone disk upper air duct.
4. wet electric cleaner insulated case suspension type seal according to claim 1 and 2, it is characterized in that: the wall body of described insulating boot is made up of shell body, alumina silicate fiber felt and inner housing, described alumina silicate fiber felt is interposed between described shell body and inner housing; Described shell body and inner housing adopt noncorroding metal sheet material matter to make.
5. wet electric cleaner insulated case suspension type seal according to claim 4, is characterized in that: described air inlet is set to swirl diffuser and makes the eddy flow direction of air inlet consistent with the incline direction of described cyclone disk upper air duct.
6. wet electric cleaner insulated case suspension type seal according to claim 5, is characterized in that: described insulator is single-column ceramic insulator.
7. wet electric cleaner insulated case suspension type seal according to claim 5, is characterized in that: arrange temperature-measuring port at the top of described insulating boot; In the side wall lower ends of described insulating boot, pressure tap is set.
8. wet electric cleaner insulated case suspension type seal according to claim 1 and 2, is characterized in that: described insulator is single-column ceramic insulator.
9. wet electric cleaner insulated case suspension type seal according to claim 1 and 2, is characterized in that: arrange temperature-measuring port at the top of described insulating boot.
10. wet electric cleaner insulated case suspension type seal according to claim 1 and 2, is characterized in that: arrange pressure tap in the side wall lower ends of described insulating boot.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408952.1A CN104971825B (en) | 2015-07-14 | 2015-07-14 | Wet electric cleaner insulated case suspension type seal |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510408952.1A CN104971825B (en) | 2015-07-14 | 2015-07-14 | Wet electric cleaner insulated case suspension type seal |
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| CN104971825A true CN104971825A (en) | 2015-10-14 |
| CN104971825B CN104971825B (en) | 2016-03-02 |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214842A (en) * | 2015-11-02 | 2016-01-06 | 浙江景创环保科技有限公司 | A kind of for high viscosity flue dust electric precipitation insulator protective device |
| CN106000648A (en) * | 2016-07-21 | 2016-10-12 | 浙江天地环保科技有限公司 | Integrated wet-type electric precipitator insulation device |
| CN106733190A (en) * | 2016-12-16 | 2017-05-31 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
| CN106733184A (en) * | 2016-12-23 | 2017-05-31 | 北京国电富通科技发展有限责任公司 | A kind of insulation seal device and the wet electrical dust precipitator including it |
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| JPS61118159A (en) * | 1984-11-13 | 1986-06-05 | Nippon Steel Corp | Vertical wet electrical dust precipitator |
| CN2815510Y (en) * | 2005-07-07 | 2006-09-13 | 泰兴市电除尘设备厂 | Cathode suspension insulating device for electric dust collector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105214842A (en) * | 2015-11-02 | 2016-01-06 | 浙江景创环保科技有限公司 | A kind of for high viscosity flue dust electric precipitation insulator protective device |
| CN106000648A (en) * | 2016-07-21 | 2016-10-12 | 浙江天地环保科技有限公司 | Integrated wet-type electric precipitator insulation device |
| CN106000648B (en) * | 2016-07-21 | 2018-05-22 | 浙江天地环保科技有限公司 | A kind of wet electrical dust precipitator seal of integrated form |
| CN106733190A (en) * | 2016-12-16 | 2017-05-31 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
| CN106733190B (en) * | 2016-12-16 | 2018-03-09 | 中国华电科工集团有限公司 | A kind of hot blast protection device for wet electrical dust precipitator |
| CN106733184A (en) * | 2016-12-23 | 2017-05-31 | 北京国电富通科技发展有限责任公司 | A kind of insulation seal device and the wet electrical dust precipitator including it |
| CN106733184B (en) * | 2016-12-23 | 2018-07-13 | 北京国电富通科技发展有限责任公司 | A kind of insulation seal device and the wet electrical dust precipitator including it |
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|---|---|
| CN104971825B (en) | 2016-03-02 |
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Application publication date: 20151014 Assignee: Qingdao Haina chemical environmental protection equipment Co.,Ltd. Assignor: SHANDONG GUOSHUN CONSTRUCTION GROUP Co.,Ltd. Contract record no.: 2017370000051 Denomination of invention: Hanging type insulating device of wet electric precipitator insulating box Granted publication date: 20160302 License type: Common License Record date: 20170825 |
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| CP02 | Change in the address of a patent holder | ||
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Address after: 250300 No.001 Guoshun Road, Jinan Economic Development Zone, Changqing District, Jinan City, Shandong Province Patentee after: SHANDONG GUOSHUN CONSTRUCTION GROUP Co.,Ltd. Address before: 250300 North of Middle Section of Longquan Street, Changqing District, Jinan City, Shandong Province Patentee before: SHANDONG GUOSHUN CONSTRUCTION GROUP Co.,Ltd. |
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| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Suspension type insulation device of wet electrostatic precipitator insulation box Effective date of registration: 20221228 Granted publication date: 20160302 Pledgee: Qilu bank Limited by Share Ltd. Ji'nan Changqing branch Pledgor: SHANDONG GUOSHUN CONSTRUCTION GROUP Co.,Ltd. Registration number: Y2022980029384 |