CN206966309U - A kind of flying dust processing unit of garbage incinerating power plant - Google Patents
A kind of flying dust processing unit of garbage incinerating power plant Download PDFInfo
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- CN206966309U CN206966309U CN201720923700.7U CN201720923700U CN206966309U CN 206966309 U CN206966309 U CN 206966309U CN 201720923700 U CN201720923700 U CN 201720923700U CN 206966309 U CN206966309 U CN 206966309U
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- flying dust
- melting furnace
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- temperature melting
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Abstract
The utility model discloses a kind of flying dust processing unit of garbage incinerating power plant, including flying dust storage tank, high-temperature melting furnace, denitrating tower, deduster and chilling case, magnetic separator and flying dust preheater are provided between flying dust storage tank and high-temperature melting furnace, high-temperature melting furnace includes body of heater, high-temperature gas outlet and slag notch, plasma gun is provided with body of heater, high-temperature gas outlet is connected with flying dust preheater, the gas vent of flying dust preheater is connected with vapor-water heat exchanger, the gas vent of vapor-water heat exchanger is connected with denitrating tower and deduster in turn, the ash hole of deduster is connected by ash releasing tube with body of heater, slag notch is connected with chilling case, the scum pipe in chilling bottom portion is connected with filter, the outlet pipe of filter is connected with steam generator, the delivery port of steam generator is connected with return duct, return duct connects with shower.The system has reached the discharge of thorough elimination flying dust Zhong bioxin and the pollution for the middle heavy metal that flies back, and realizes the zero-emission and harmless treatment of flying dust.
Description
Technical field
The utility model belongs to Environmental-protecting treater technical field, and in particular at a kind of flying dust of garbage incinerating power plant
Manage device.
Background technology
Garbage incinerating power plant, will while rubbish is carried out into innoxious, minimizing, recycling treatment by burning
Produce a number of lime-ash, particularly heat recovery system and a large amount of flying dust materials that flue gas purification system is collected into, not only
The heavy metal of rubbish carrying is concentrated, and the organic poison such as bioxin, furans is also enriched with wherein, due in incineration of refuse flyash
Heavy metal He the influence to environment such as bioxin is extremely serious, so both at home and abroad existing Environmental Law be classified as it is dangerous useless
Thing, emphasize that safe disposal must be carried out.At present, the flying dust harmlessness disposing main method used in the world has four kinds：Solidification, change
Chemical stabilization, acid solution washing and high-temperature melting method, wherein, high-temperature melting method can not only realize the effect of harmlessness disposing, tool
There are more preferable volume reduction and recycling effect, the structure of system is relatively easy, and the expense of expense and the flying dust processing of investment is low, than
Relatively it is adapted to the national conditions in China.But in the processing procedure of existing fusing fly ash device, due to the structure design of melting plant
Defect, following technological deficiency also be present, melted first, the flying dust after collecting is directly entered in melting furnace, state of the flying dust from low temperature
Higher temperature directly is warming up to, the speed that it heats up is slower, and the efficiency of fusing is low, and it is uneven and halfway existing easily to make fusing
As second, entering in flying dust while melting furnace melts, it is necessary to largely aid in gas and water cooling, not only energy consumption is big, the thermal efficiency
It is low, and easily cause cooling water to penetrate into stove, safety problem is brought, meanwhile, do not melt and altered on complete flying dust, easily
Form secondary pollution.Therefore, development one kind is rational in infrastructure, energy consumption is low, can improve treatment effeciency, ensure treatment effect,
The flying dust processing unit of safe and environment-friendly, economic garbage incinerating power plant is desirability again.
The content of the invention
The purpose of this utility model be to provide it is a kind of it is rational in infrastructure, energy consumption is low, can improve treatment effeciency, guarantee processing
Effect, and the flying dust processing unit of safe and environment-friendly, economic garbage incinerating power plant.
The purpose of this utility model be achieved in that including flying dust storage tank, high-temperature melting furnace, denitrating tower, deduster and
Chilling case, is disposed with magnetic separator and flying dust preheater between flying dust storage tank and high-temperature melting furnace, ash is sent in magnetic separator bottom
Pipe is extend into high-temperature melting furnace after flying dust preheater, and ash feeding pipe is arranged in flying dust preheater in arc-shaped；
High-temperature melting furnace includes the slag notch of body of heater, the high-temperature gas outlet being arranged at the top of body of heater and bottom of furnace body,
And the exit normal for extending into the ash feeding pipe of furnace interior is downward, at least 2 plasma gunes are provided with the side wall of body of heater, it is high
Warm gas outlet tube is connected with flying dust preheater, and the gas vent of flying dust preheater is connected with vapor-water heat exchanger, vapor-water heat exchanger
Gas vent be connected with denitrating tower, the gas vent of out of stock tower is connected with deduster, and the ash hole of deduster bottom passes through row
Ash pipe is connected with body of heater, and slag notch is connected with chilling case, and shower is provided with the top of chilling case, and bottom is provided with scum pipe,
Scum pipe is connected with filter, and screen pack is provided with filter, slag scraping mechanism is provided with above screen pack, lower section is provided with
Outlet pipe, outlet pipe are connected with steam generator, and the delivery port of steam generator is connected with return duct, and return duct connects with shower
It is logical.
The utility model can effectively remove harmful heavy metal in flying dust and without magnetic by the magnetic separator of setting
Property or the weaker harmful substance of magnetic, more qualified raw material, the flying dust preheater profit of setting can be provided for high-temperature melting furnace
High-temperature flue gas is preheated caused by high-temperature melting furnace, on the one hand reduces cost, on the other hand the flying dust after preheating
Enter in high-temperature melting furnace, flying dust can not only be made rapidly to reach the temperature of fusing fly ash, it is molten in stove to shorten flying dust
Melt the time, improve the efficiency of fusing fly ash, and can guarantee that the temperature in high temperature melting furnace is more uniform, it is ensured that maintained in stove
Hot environment needed for melting, and high-temperature gas caused by high-temperature melting furnace is by heat exchange, after out of stock and dedusting, can be thorough
Elimination incineration of refuse flyash Zhong bioxin discharge while, avoid the phenomenon of secondary pollution, the completely slag after melting
Stable glass state material can be formed after slag notch enters the cooling of chilling case, filter filtering, directly can utilize or fill, together
When, also realize and the recycling of cooling water source can both be saved, but it is environmentally friendly.The system it is reasonable in design, easily implement, reach
The pollution of the thorough discharge and the middle heavy metal that flies back for eradicating flying dust Zhong bioxin, realizes the zero-emission of flying dust and innoxious place
Reason, it is environmentally friendly, popularized beneficial in flying dust process field.
Brief description of the drawings
Fig. 1 is overall structure diagram of the present utility model；
In figure：1- dedusters, 2- denitrating towers, 3- vapor-water heat exchangers, 4- ash releasing tubes, 5- flying dust preheaters, 6- magnetic separators,
61- magnetic separation rollers, 62- permanent magnets, the outlet of 63- Magnetic Materials, 64- air inlet pipe, the outlet of 65- nonmagnetics, 66- electricity sorters, 67-
Reclaimed materials exports, 7- flying dust storage tanks, 8- high-temperature gas outlets, 9- high-temperature melting furnaces, 91- ash retaining covers, 92- peep holes, 93- etc.
Ion spray gun, 94- slag notches, 10- diffusing cones, 11- showers, 12- ash feeding pipes, 13- chilling casees, 14- scum pipes, 15- filterings
Net, 16- driven shafts, 17- conveyer chains, 18- scraper plates, 19- driving shafts, 20- scrape slag motor, 21- return ducts, 22- steam generators,
23- filters.
Embodiment
The utility model is further described below in conjunction with the accompanying drawings, but the utility model is not subject in any way
Limitation, any changes and modifications made based on the utility model training centre, belongs to the scope of protection of the utility model.
As shown in Figure 1, the utility model includes flying dust storage tank 7, high-temperature melting furnace 9, denitrating tower 2, deduster 1 and chilling case
13, magnetic separator 6 and flying dust preheater 5 are disposed between flying dust storage tank 7 and high-temperature melting furnace 9, ash is sent in the bottom of magnetic separator 6
Pipe 12 is extend into after flying dust preheater 5 in high-temperature melting furnace 9, and ash feeding pipe 12 is in arc-shaped cloth in flying dust preheater 5
Put；
High-temperature melting furnace 9 includes the slag notch of body of heater, the high-temperature gas outlet 8 being arranged at the top of body of heater and bottom of furnace body
94, and the exit normal for extending into the ash feeding pipe 12 of furnace interior is downward, and at least 2 plasma sprays are provided with the side wall of body of heater
Rifle 93, the high-temperature gas outlet 8 are connected with flying dust preheater 5, and the gas vent of flying dust preheater 5 is connected with steam-water heat exchanging
Device 3, the gas vent of vapor-water heat exchanger 3 are connected with denitrating tower 2, and the gas vent of out of stock tower 2 is connected with deduster 1, deduster 1
The ash hole of bottom is connected by ash releasing tube 4 with body of heater, and the slag notch 94 is connected with chilling case 13, the top peace of chilling case 13
Equipped with shower 11, bottom is provided with scum pipe 14, and scum pipe 14 is connected with filter 23, screen pack is provided with filter 23
15, the top of screen pack 15 is provided with slag scraping mechanism, and lower section is provided with outlet pipe, and outlet pipe is connected with steam generator 22, steams
The delivery port of vapour generator 22 is connected with return duct 21, and return duct 21 connects with shower 11.
The magnetic separator 6 includes body and the magnetic separation roller 61 being symmetrically mounted in body, is provided with magnetic separation roller 61
Permanent magnet 62, the ash hole of flying dust storage tank 7 are located at the top of two magnetic separation rollers 61, and the bottom of body is provided with two Magnetic Materials and gone out
Mouth 63 and a nonmagnetics outlet 65, the lower section of nonmagnetics outlet 65 are provided with electric sorter 66, the bottom of electric sorter 66
Portion be provided with reclaimed materials outlet 67 and can not reclaimed materials outlet, can not reclaimed materials outlet connected with ash feeding pipe 12, the ash feeding pipe
Air inlet pipe 64 is communicated with 12, pressure fan is installed in air inlet pipe 64.
The slag scraping mechanism includes scraping slag motor 20, driving shaft 19, driven shaft 16, conveyer chain 17 and scraper plate 18, driving shaft
19 and driven shaft 16 be respectively arranged at the both sides of the top of filter 23, and driving shaft 19 and driven shaft 16 pass through two conveyer chains 17
It is connected, the scraper plate 18 is arranged on conveyer chain 17, is scraped slag motor 20 and is connected by belt with driving shaft 19, when scraping slag, is started
Slag motor 20 is scraped, driving shaft 19 and driven shaft 16 drive conveyer chain 17 and the shuttling movement of scraper plate 18, and scraper plate 18 is by screen pack 15
Scum silica frost strike off.
In order to prevent the lime-ash in high-temperature melting furnace 9 from being caused danger in gasification and melting course of reaction, the side of the body of heater
Peep hole 92 and venting are provided with wall.
Further, the outlet end that the ash feeding pipe 12 extend into high-temperature melting furnace 9 is provided with diffusing cone 10, passes through expansion
The diffusion of cone 10 is dissipated, the speed of flying dust whereabouts can be slowed down, improves the efficiency of fusing fly ash reaction.
In order to reduce the cost of dedusting, it is preferable that the deduster 1 is fiber bag precipitator.
Quickly discharged for the ease of the clinker of molten condition from slag notch 94, ensure smooth, the high temperature melting of slagging tap
The bottom for changing stove 9 is arranged to incline structure, and the slag notch 94 is located at the lowest part of the tilting bottom of high-temperature melting furnace 9.
Further, it is provided with ash retaining cover in the high-temperature melting furnace 9 between ash feeding pipe 12 and high-temperature gas outlet 8
91, ash retaining cover 91 is fixed on high-temperature melting furnace 9 by connecting plate, is enough allowed by ash retaining cover energy 91 and is entered height by ash feeding pipe 12
Flying dust in warm melting furnace 9 is sufficiently in stove chamber inner combustion.
The course of work of the present utility model is：Flying dust caused by waste incinerator burning stores up after collecting into flying dust storage tank 7
Deposit, flying dust storage tank 7 avoids flying dust effusion from causing secondary pollution using sealing structure, and flying dust needs before high-temperature melting furnace 9 is entered
To pass through magnetic separation, the ash hole of the bottom of flying dust storage tank 7 is connected with the import of magnetic separator 6, passes through magnetic into the flying dust in magnetic separator 6
After the screening for selecting roller 61, magnetic material is discharged by the Magnetic Materials outlet 63 of the bottom of magnetic separator 6, and non-magnetic material leads to
Cross nonmagnetics outlet 65 to enter in electric sorter 66, electric sorter 66 produces highfield by its both positive and negative polarity and divides material
Choosing, the lime-ash that harmful substance is not contained after sorting entered the discharge of reclaimed materials outlet 67, and this kind of lime-ash can tap into row landfill or return
Receive and recycle, without the weaker harmful substance of magnetic or magnetic, the air entered using Pneumatic Conveying Technology, air inlet pipe 64
Carry the flying dust after magnetic separation to enter in flying dust preheater 5 by ash feeding pipe 12, high-temperature flue gas caused by high-temperature melting furnace 9 enters
Flying dust preheater 5, the flying dust in ash feeding pipe 12 being heated, the flying dust after high-temperature flue gas heats enters high-temperature melting furnace 9,
Fusing fly ash temperature is rapidly reached, shortens melting time of the flying dust in high-temperature melting furnace 9, improves the efficiency of melting, is dropped
The low consumption of fuel, the non-flammable, harmful substance entered in high-temperature melting furnace 9 is in body of heater, by plasma spray
The high-efficiency heating of 5000~8000 DEG C of high-temperature electric arc caused by rifle 93, temperature are quickly raised to more than 1300 DEG C, and uniformly steady
Fixed maintains more than this temperature, and now, the lime-ash in body of heater starts to melt, and melting waste residues flow continually out from slag notch 94,
Enter in chilling case 13, after the cold water quick refrigeration that shower 11 sprays out, generate the vitreous having no toxic side effect
Thing is simultaneously entered in filter 23 with scum pipe 14, and filter residue is uniformly scraped by slag scraping mechanism after vitreous thing is stopped by screen pack 15
Go out to collect, after also there is the water in filter 23 air at a relatively high temperature, with steam generator 22 to carry out heat exchange
Room temperature is cooled to, being sent to shower 11 by return duct 21 recycles；And bioxin is by high-temperature plasma in flying dust
And its caused ultraviolet rays and melten glass liquid almost all are destroyed, the flow of flue gas caused by high-temperature melting furnace 9 is very
Low, the temperature of the flue gas discharged from the top of high-temperature melting furnace 9 is at 1200 DEG C or so, high-temperature flue gas caused by high-temperature melting furnace 9
Flying dust preheater 5 is entered by high-temperature gas outlet 8, after carrying out heat exchange with the flying dust in ash feeding pipe 12, passes through flying dust
The gas vent of preheater 5 enters in vapor-water heat exchanger 3, and after being exchanged heat with the cooling water in vapor-water heat exchanger 3, temperature is down to
Temperature is to 180 DEG C~200 DEG C, and then, after the out of stock processing of the spray of denitrating tower 2, temperature enters deduster 1 after being down to room temperature
Wei Liang bioxin that is interior, may being formed again in flue gas by deduster 1 with absorbing, makes flue gas become cleaner.The system
Rational in infrastructure, science, can be thorough by the harmful substance such as bioxin, heavy metal and carbon residue in flying dust caused by waste incineration
Remove, and the generation for preventing bioxin and heavy metal poison is calculated with expanding, and realizes zero-emission and the recycling of flying dust.
Claims (8)
1. a kind of flying dust processing unit of garbage incinerating power plant, including flying dust storage tank（7）, high-temperature melting furnace（9）, denitrating tower
（2）, deduster（1）With chilling case（13）, it is characterised in that the flying dust storage tank（7）With high-temperature melting furnace（9）Between set successively
It is equipped with magnetic separator（6）With flying dust preheater（5）, magnetic separator（6）The ash feeding pipe of bottom（12）By flying dust preheater（5）After stretch into
To high-temperature melting furnace（9）It is interior, and ash feeding pipe（12）In flying dust preheater（5）It is interior to be arranged in arc-shaped；The high-temperature melting furnace（9）
Including body of heater, the high-temperature gas outlet being arranged at the top of body of heater（8）With the slag notch of bottom of furnace body（94）, and it extend into body of heater
Internal ash feeding pipe（12）Exit normal it is downward, at least 2 plasma gunes are provided with the side wall of body of heater（93）, the height
Warm gas outlet tube（8）With flying dust preheater（5）It is connected, flying dust preheater（5）Gas vent be connected with vapor-water heat exchanger
（3）, vapor-water heat exchanger（3）Gas vent and denitrating tower（2）It is connected, denitrating tower（2）Gas vent and deduster（1）Phase
Even, deduster（1）The ash hole of bottom passes through ash releasing tube（4）Connected with body of heater, the slag notch（94）With chilling case（13）Phase
Even, chilling case（13）Top shower is installed（11）, bottom is provided with scum pipe（14）, scum pipe（14）It is connected with filtering
Device（23）, filter（23）Screen pack is inside installed（15）, screen pack（15）Top be provided with slag scraping mechanism, lower section is provided with
Outlet pipe, outlet pipe are connected with steam generator（22）, steam generator（22）Delivery port be connected with return duct（21）, backflow
Pipe（21）With shower（11）Connection.
A kind of 2. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：The magnetic separation
Device（6）Including body and the magnetic separation roller being symmetrically mounted in body（61）, magnetic separation roller（61）On permanent magnet is installed（62）,
Flying dust storage tank（7）Ash hole be located at two magnetic separation rollers（61）Top, the bottom of body is provided with two Magnetic Materials outlets
（63）Exported with a nonmagnetics（65）, nonmagnetics outlet（65）Lower section be provided with electric sorter（66）, electric sorter
（66）Bottom be provided with reclaimed materials outlet（67）With can not reclaimed materials outlet, can not reclaimed materials outlet and ash feeding pipe（12）Even
It is logical, the ash feeding pipe（12）On be communicated with air inlet pipe（64）, air inlet pipe（64）On pressure fan is installed.
A kind of 3. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：It is described to scrape slag
Mechanism includes scraping slag motor（20）, driving shaft（19）, driven shaft（16）, conveyer chain（17）And scraper plate（18）, driving shaft（19）With
Driven shaft（16）It is respectively arranged at filter（23）The both sides of top, and driving shaft（19）And driven shaft（16）Pass through two transmission
Chain（17）It is connected, the scraper plate is arranged on conveyer chain（17）On, scrape slag motor（20）Pass through belt and driving shaft（19）It is connected.
A kind of 4. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：The body of heater
Side wall on be provided with peep hole（92）And venting.
A kind of 5. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：It is described to send ash
Pipe（12）It extend into high-temperature melting furnace（9）Outlet end diffusing cone is installed（10）.
A kind of 6. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：The dedusting
Device（1）For fiber bag precipitator.
A kind of 7. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：The high temperature
Melting furnace（9）Bottom be arranged to incline structure, the slag notch（94）Positioned at high-temperature melting furnace（9）Tilting bottom it is minimum
Place.
A kind of 8. flying dust processing unit of garbage incinerating power plant according to claim 1, it is characterised in that：In ash feeding pipe
（12）With high-temperature gas outlet（8）Between high-temperature melting furnace（9）Inside it is provided with ash retaining cover（91）, ash retaining cover（91）Pass through company
Fishplate bar is fixed on high-temperature melting furnace（9）On.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720923700.7U CN206966309U (en) | 2017-07-27 | 2017-07-27 | A kind of flying dust processing unit of garbage incinerating power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720923700.7U CN206966309U (en) | 2017-07-27 | 2017-07-27 | A kind of flying dust processing unit of garbage incinerating power plant |
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| Publication Number | Publication Date |
|---|---|
| CN206966309U true CN206966309U (en) | 2018-02-06 |
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ID=61398199
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720923700.7U Active CN206966309U (en) | 2017-07-27 | 2017-07-27 | A kind of flying dust processing unit of garbage incinerating power plant |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482625A (en) * | 2018-12-29 | 2019-03-19 | 北京中洁蓝环保科技有限公司 | A kind of disposal of resources system and method for domestic garbage incineration flyash |
| CN109652659A (en) * | 2019-01-31 | 2019-04-19 | 龙岩山青冶金科技有限公司 | Manganese-silicon mine heat furnace smelting collaboration processing incineration of refuse flyash system and method |
| CN111452217A (en) * | 2020-04-08 | 2020-07-28 | 吴圣丁 | Fly ash treatment device suitable for waste incineration power plant |
| CN114472472A (en) * | 2020-10-28 | 2022-05-13 | 杭州正隆环保科技有限公司 | Fly ash comprehensive treatment and utilization system |
-
2017
- 2017-07-27 CN CN201720923700.7U patent/CN206966309U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109482625A (en) * | 2018-12-29 | 2019-03-19 | 北京中洁蓝环保科技有限公司 | A kind of disposal of resources system and method for domestic garbage incineration flyash |
| CN109652659A (en) * | 2019-01-31 | 2019-04-19 | 龙岩山青冶金科技有限公司 | Manganese-silicon mine heat furnace smelting collaboration processing incineration of refuse flyash system and method |
| CN111452217A (en) * | 2020-04-08 | 2020-07-28 | 吴圣丁 | Fly ash treatment device suitable for waste incineration power plant |
| CN114472472A (en) * | 2020-10-28 | 2022-05-13 | 杭州正隆环保科技有限公司 | Fly ash comprehensive treatment and utilization system |
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