CN205413352U - Leading ash bucket that subsides of electrostatic precipitator - Google Patents
Leading ash bucket that subsides of electrostatic precipitator Download PDFInfo
- Publication number
- CN205413352U CN205413352U CN201620195083.9U CN201620195083U CN205413352U CN 205413352 U CN205413352 U CN 205413352U CN 201620195083 U CN201620195083 U CN 201620195083U CN 205413352 U CN205413352 U CN 205413352U
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- CN
- China
- Prior art keywords
- ash
- ash bucket
- ship shape
- electric cleaner
- electrostatic precipitator
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
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Abstract
The utility model provides a leading ash bucket that subsides of electrostatic precipitator, includes electrostatic precipitator import head, air heater, import flue, ship shape ash bucket, screw conveyer and star ash -valve, its characterized in that: from a large amount of ash -laden gass that air heater came out, at first get into and import flue and the great ship shape ash bucket of volume, the volume sudden enlargement, velocity of flow reduction, coarse grain or long -pending burnt dust gather at the ship shape ash bucket, and through the closed passage discharge of screw conveyer and the formation of star ash -valve, thick granule is most to be got rid of, and ash -laden gas rethread electrostatic precipitator import head gets into electrostatic precipitator, implementation dust removal process. The utility model discloses, have below obvious advantage and positive effect are compared with prior art: the utility model discloses, adopt machinery to fail the mode of ash, coarse grain or the long -pending burnt dust at inlet piping is gathered in the clearance under closed state, prevents the inlet piping jam, makes the dust -laden gas distribution who gets into electrostatic precipitator import head more even, makes more effective the playing a role of airflow distribution plate ability, further improves electrostatic precipitator's efficiency.
Description
Technical field
This utility model relates to a kind of electric cleaner, in particular to a kind of electric cleaner preposition sedimentation ash bucket.
Background technology
The efficiency of dust collection of electric cleaner equipment is the highest, the dust of more than 99.5% can be collected, be transferred out by ash bucket and ash-transmission system.Coal bases is built in a lot of power plants in, it is commonly called as pit-head power station, the coal poor, dust burdening is high is their main fuel, some even coal mixed with gangue also serves as the fuel in power plant, and amount of dust is bigger, and cleaner and ash-transmission system are had the biggest pressure, the extra high dust of dustiness, particle is also the thickest, has many just to deposit on inlet flue duct, can block the area of flue half when of serious.
Second reason, some coal easily long-pending Jiao, it is not each and every one to be separated into fine grained as coal grain from boiler coal ash out, but many are bonded together, a big grain weight, just settle down at inlet flue duct, blocking flue, when another kind of situation is to wash away air preheater, has thicker dust and falls, their granule is quite thick, also can accumulate in inlet flue duct.
3rd reason, the generating of coal-burning power plant accounts for about the 70% of national generating capacity, and water power is mainly relatively big by seasonal effect, needs according to the size generating carrying out the water yield；Nuclear power starts, stops all inconveniences, and generated energy is more constant；The generated energy of coal-burning power plant itself is big, the size of generated energy is easier change, therefore in the case of many be coal fired power generation be not fully loaded generating state, the exhaust gas volumn thus resulting in entrance electric cleaner is the most not enough, relatively low by the flow velocity of inlet flue duct, dust also can be occurred to be deposited in a large number in inlet flue duct.
Dust can affect the flow distribution evenness of electric cleaner import end socket in being deposited in inlet flue duct in a large number, affects the dust-collecting efficiency of electric cleaner.Use labor cleaning's dust not only workload very big during blowing out, and be completely all dust, transport also difficulty.
Environmental protection industry (epi) uses machinery, enclosed in the urgent need to a kind of energy at present, the equipment of the dust of cleaning electric cleaner inlet flue duct inner accumulated.
Summary of the invention
This utility model provides a kind of mode using mechanical ash conveying, and cleaning accumulates in coarse granule or the equipment of long-pending burnt dust of inlet pipeline in the closed state, is the pre-processing device of electric cleaner.
A kind of electric cleaner preposition sedimentation ash bucket, including electric cleaner import end socket, air preheater, inlet flue duct, ship shape ash bucket, conveying worm and star-shaped ash discharging valve, it is characterized in that: from air preheater a large amount of ash-laden gas out, initially enter inlet flue duct and the bigger ship shape ash bucket of volume, volume sudden enlargement, flow velocity reduces, coarse granule or long-pending burnt dirt accumulation are at ship shape ash bucket, the closed channel formed through conveying worm and star-shaped ash discharging valve is discharged, thick granule major part is removed, ash-laden gas is again by electric cleaner import end socket, enter electric cleaner, implement dust-removing process.
Electric cleaner import end socket is the Shou Dao critical point that ash-laden gas enters electric cleaner, internal equipped with airflow-distribution board, can be dust constaining air-flow is evenly dispersed on the admission section of electric cleaner.
Air preheater is last adnexa of coal-burning boiler, and its effect is that the heat absorbing dust constaining air-flow preheats the air entering boiler, improves the heat production efficiency of boiler further.
Inlet flue duct between air preheater and electric cleaner import end socket, common inlet flue duct, simply a rectangular duct.
Ship shape ash bucket is located at the lower section of inlet flue duct, the lower shoe of inlet flue duct is cancelled, suitable for reading as ship shape ash bucket, its overall dimensions is identical with the lower shoe of inlet flue duct, four inclined shapes in side of ship shape ash bucket, angle between angle of inclination and horizontal plane is typically chosen more than 60 degree, has agile ash.
The length and width of conveying worm is suitable with the end opening of ship shape ash bucket, and its effect is the entrance that the coarse dust that ship shape ash bucket is collected is transported to star-shaped ash discharging valve.
The valve body of star-shaped ash discharging valve has six pieces of blades, and it is in closed state all the time when ash discharge, it is possible to stop cold wind to enter ship shape ash bucket and inlet flue duct.
Star-shaped ash discharging valve needs linkage with conveying worm when operating, start simultaneously, stop simultaneously.
Import end socket, air preheater, inlet flue duct, ship shape ash bucket, between conveying worm and star-shaped ash discharging valve, it is desirable that sealing, their outside, it is necessary to be provided with the heat-insulation layer as electric cleaner and shell protection board.
This utility model, compared with prior art, has following obvious advantage and a good effect:
This utility model; use the mode of mechanical ash conveying; cleaning accumulates in the coarse granule of inlet pipeline or long-pending burnt dust in the closed state; prevent inlet pipeline from blocking; the ash-laden gas making entrance electric cleaner import end socket is more evenly distributed; make airflow-distribution board more effectively to play a role, improve the efficiency of electric cleaner further.
Accompanying drawing explanation
Fig. 1 is structural representation of the present utility model.
Detailed description of the invention
A kind of electric cleaner preposition sedimentation ash bucket, including electric cleaner import end socket 1, air preheater 2, inlet flue duct 3, ship shape ash bucket 4, conveying worm 5 and star-shaped ash discharging valve 6, it is characterized in that: from air preheater 2 a large amount of ash-laden gas out, initially enter inlet flue duct 3 and the bigger ship shape ash bucket 4 of volume, volume sudden enlargement, flow velocity reduces, coarse granule or long-pending burnt dirt accumulation are at ship shape ash bucket 4, the closed channel formed through conveying worm 5 and star-shaped ash discharging valve 6 is discharged, thick granule major part is removed, ash-laden gas is again by electric cleaner import end socket 1, enter electric cleaner, implement dust-removing process.
Electric cleaner import end socket 1 is the Shou Dao critical point that ash-laden gas enters electric cleaner, internal equipped with airflow-distribution board 11, can be dust constaining air-flow is evenly dispersed on the admission section of electric cleaner.
Air preheater 2 is last adnexa of coal-burning boiler, and its effect is that the heat absorbing dust constaining air-flow preheats the air entering boiler, improves the heat production efficiency of boiler further.
Inlet flue duct 3 between air preheater 2 and electric cleaner import end socket 1, common inlet flue duct 3, simply a rectangular duct.
Ship shape ash bucket 4 is located at the lower section of inlet flue duct 3, the lower shoe of inlet flue duct 3 is cancelled, suitable for reading as ship shape ash bucket 4, its overall dimensions is identical with the lower shoe of inlet flue duct 3, four inclined shapes in side of ship shape ash bucket 4, angle between angle of inclination and horizontal plane is typically chosen more than 60 degree, has agile ash.
The length and width of conveying worm 5 is suitable with the end opening of ship shape ash bucket 4, requires therebetween to seal, and its effect is the entrance that the coarse dust that ship shape ash bucket 4 is collected is transported to star-shaped ash discharging valve 6.
The valve body of star-shaped ash discharging valve 6 has six pieces of blades, and it is in closed state all the time when ash discharge, it is possible to stop cold wind to enter ship shape ash bucket 4 and inlet flue duct 3.
Star-shaped ash discharging valve 6 and conveying worm 5 need linkage when operating, start simultaneously, stop simultaneously.
It is desirable that sealing, their outside, it is necessary to be provided with the heat-insulation layer as electric cleaner and shell protection board between import end socket 1, air preheater 2, inlet flue duct 3, ship shape ash bucket 4, conveying worm 5 and star-shaped ash discharging valve 6.
Claims (4)
1. an electric cleaner preposition sedimentation ash bucket, including electric cleaner import end socket, air preheater, inlet flue duct, ship shape ash bucket, conveying worm and star-shaped ash discharging valve, it is characterized in that: from air preheater a large amount of ash-laden gas out, initially enter inlet flue duct and the bigger ship shape ash bucket of volume, volume sudden enlargement, flow velocity reduces, coarse granule or long-pending burnt dirt accumulation are at ship shape ash bucket, the closed channel formed through conveying worm and star-shaped ash discharging valve is discharged, thick granule major part is removed, ash-laden gas is again by electric cleaner import end socket, enter electric cleaner, implement dust-removing process.
2. electric cleaner preposition sedimentation ash bucket as claimed in claim 1, it is characterized in that: ship shape ash bucket is located at the lower section of inlet flue duct, the lower shoe of inlet flue duct is cancelled, suitable for reading as ship shape ash bucket, its overall dimensions is identical with the lower shoe of inlet flue duct, four inclined shapes in side of ship shape ash bucket, the angle between angle of inclination and horizontal plane is typically chosen more than 60 degree.
3. electric cleaner preposition sedimentation ash bucket as claimed in claim 1, it is characterised in that: the length and width of conveying worm is suitable with the end opening of ship shape ash bucket, and its effect is the entrance that the coarse dust that ship shape ash bucket is collected is transported to star-shaped ash discharging valve.
4. electric cleaner preposition sedimentation ash bucket as claimed in claim 1, it is characterised in that: the valve body of star-shaped ash discharging valve has six pieces of blades, and it is in closed state all the time when ash discharge, it is possible to stop cold wind to enter ship shape ash bucket and inlet flue duct.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195083.9U CN205413352U (en) | 2016-03-08 | 2016-03-08 | Leading ash bucket that subsides of electrostatic precipitator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620195083.9U CN205413352U (en) | 2016-03-08 | 2016-03-08 | Leading ash bucket that subsides of electrostatic precipitator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205413352U true CN205413352U (en) | 2016-08-03 |
Family
ID=56545597
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620195083.9U Expired - Fee Related CN205413352U (en) | 2016-03-08 | 2016-03-08 | Leading ash bucket that subsides of electrostatic precipitator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205413352U (en) |
-
2016
- 2016-03-08 CN CN201620195083.9U patent/CN205413352U/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 | ||
| 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: 20160803 Termination date: 20170308 |