CN101456492A - Fly ash pneumatic conveying process and equipment for biomass power plant - Google Patents
Fly ash pneumatic conveying process and equipment for biomass power plant Download PDFInfo
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- CN101456492A CN101456492A CNA2008102426427A CN200810242642A CN101456492A CN 101456492 A CN101456492 A CN 101456492A CN A2008102426427 A CNA2008102426427 A CN A2008102426427A CN 200810242642 A CN200810242642 A CN 200810242642A CN 101456492 A CN101456492 A CN 101456492A
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- ash
- flying dust
- fly ash
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A50/00—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
- Y02A50/20—Air quality improvement or preservation, e.g. vehicle emission control or emission reduction by using catalytic converters
- Y02A50/2351—Atmospheric particulate matter [PM], e.g. carbon smoke microparticles, smog, aerosol particles, dust
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Abstract
The invention discloses a process and equipment for transporting fly ash produced in a biomass power plant to an ash warehouse for packing or shipping in a sealing form. According to the technical proposal, firstly, the fly ash produced in the power generation process of the biomass power plant is transported to a first porous transmission device and enters a second porous transmission device; residual heat of the fly ash is collected in the process of transportation and heat exchange; simultaneously, the transmission device with a porous structure can evenly distribute fly ash flow and prevent the block caused by the fly ash; secondly, the fly ash enters a cyclone separator; more than 95 percent of the fly ash is separated off by the cyclone separator and drops into an ash storage device; the residual fly ash passes through a pulse dust collector and a bag dust collector and enters the ash storage device; separated clean air is discharged to air; the underside of the ash storage device is provided with an ash unloading device; the fly ash passes through the ash unloading device and is directly packed and shipped; and the whole transportation process is carried out in a closed environment. The whole process is in closed-form transportation; and the process and the equipment have the advantages that the process and the equipment has continuity and sealed transportation, is suitable for various working environments and brings no dust pollution for ambient environment and the like.
Description
Technical field
The present invention relates to carry the Processes and apparatus of flying dust, relate in particular to a kind of flying dust that gasifies, produces in the combustion power generation process with living beings is delivered to packing of grey storehouse or shipment with seal form Processes and apparatus to packing of grey storehouse or shipment with seal form.
Background technology
The flying dust that at present domestic biomass fermentation power plant produces does not accomplish that generally sealing carries, and leaks in course of conveying and high temperature may produce the danger that combustion again and dust content exceed standard.Because in the flying dust course of conveying, because its high temperature, the characteristics that dust is many will prevent that in course of conveying flying dust from stopping up, and also will cool off and encapsulation process in the process of carrying simultaneously, need well to solve the harmony of kinds of processes.
Summary of the invention
The invention provides a kind of flying dust that is used for biomass electric power plant is delivered to packing of grey storehouse or shipment with seal form Processes and apparatus.
According to technical scheme provided by the invention, import the flying dust that produces in the biomass electric power plant power generation process in the first porous conveyer earlier earlier, enter the second porous conveyer again, gather the waste heat of flying dust in conveying and heat transfer process, the conveyer of open texture can prevent the flying dust obstruction by rectangular distribution flying dust air-flow simultaneously; Enter into cyclone again, about flying dust more than 95% is separated by cyclone, falls into the storage apparatus for ash, and remaining flying dust enters after by pulse dust collector, bag dust collector in the storage apparatus for ash, and the pure air after the separation is discharged in the air; Be provided with ash-discharging device below the storage apparatus for ash, flying dust is through directly packing shipment behind the ash-discharging device; Whole transportation process is carried out under the fully enclosed environment.
The flying dust input is had in the porous conveyer of anti-clogging function, gathered the waste heat of flying dust when in the porous conveyer, realizing conveying and cooling, and utilized described waste heat to add hot water.
The used equipment of a kind of biomass electric power plant fly ash pneumatic conveying process, it is characterized in that: the mouth at driven fan utilizes the plumbing connection first porous conveyer and connect flying dust input air sealer on described pipeline, mouth at the first porous conveyer connects the second porous conveyer, the mouth of the described second porous conveyer is connected with the input end of cyclone, connect the auxiliary power blower fan in the outlet of the upper end of cyclone, the mouth of auxiliary power blower fan is connected with the input end of pulse dust collector, and the mouth of described pulse dust collector is connected with bag dust collector; The flying dust that cyclone, pulse dust collector and bag dust collector are separated falls into the storage apparatus for ash, in the bottom of storage apparatus for ash ash-discharging device is set, and the flying dust that accumulates in the storage apparatus for ash passes through ash-discharging device entrucking or packing.
In the middle part of described porous conveyer plurality of conduits is set, the space that allows fluid to flow is arranged at pipeline enclosure, described pipeline is installed on the interior adapter plate of porous conveyer, and described adapter plate is divided into an entrance point with the inner chamber end parts of porous conveyer, and described pipeline is communicated with described entrance point; On the wall of porous conveyer, adapter is set, described adapter and described spatial communication;
Be provided with the rhombus sparger in described entrance point, described rhombus sparger is separated into inlet chamber and distribution cavity with described entrance point; In described rhombus sparger, or/and both sides are provided with several bullets, on the orifice plate between bullet, be provided for linking up the through hole of inlet chamber and distribution cavity in a side of orifice plate.
With prior art mutually, the present invention has following advantage: closing form of the present invention carries flying dust to the packing shipment of grey storehouse, can also produce hot water in course of conveying, has saved the consumption of the energy, simultaneously, also makes course of conveying, sealing, safety, environmental protection.Technology of the present invention has easy to operate, in course of conveying, allow flying dust fully separate with gas, conveying and cooling, separation process can be carried out accuracy control, the Total tune performance of the stability of product, safety performance and technology all is guaranteed, simultaneously in its process, also can utilize waste heat to displace hot water, make better, the environmental protection of properties of product.
The heat exchanger that the present invention adopted has adopted anti-blocking open grain structure, helps the deceleration diffusion of flying dust, and the porous sparger is set in addition, makes flying dust more even when carrying, and with the cooling media full contact, the actv. cooling is with anti-blocking.Make full use of the waste heat of flying dust, reduced the energy resource consumption in the production process, improved properties of product, saved the energy indirectly.
Description of drawings
Fig. 1 is a process flow diagram of the present invention.
Fig. 2 is a porous conveyer construction scheme drawing of the present invention.
The specific embodiment
Described biomass electric power plant fly ash pneumatic conveying process is as follows:
Import the flying dust that produces in the biomass electric power plant power generation process in the first porous conveyer 3 earlier earlier, enter the second porous conveyer 4 again, gather the waste heat of flying dust in conveying and heat transfer process, the conveyer of open texture can prevent the flying dust obstruction by rectangular distribution flying dust air-flow simultaneously; Enter into cyclone 5 again, about flying dust more than 95% is separated by cyclone 5, falls into the storage apparatus for ash, and remaining flying dust enters after by pulse dust collector 6, bag dust collector 7 in the storage apparatus for ash, and the pure air after the separation is discharged in the air; Be provided with ash-discharging device 11 below the storage apparatus for ash, flying dust is through the directly packing shipment of ash-discharging device 11 backs; Whole transportation process is carried out under the fully enclosed environment.
The flying dust input is had in the porous conveyer of anti-clogging function, gathered the waste heat of flying dust when in the porous conveyer, realizing conveying and cooling, and utilized described waste heat to add hot water.
The equipment that described biomass electric power plant flying dust strength is carried is: the mouth at driven fan 1 utilizes the plumbing connection first porous conveyer 3 and connect flying dust input air sealer 2 on described pipeline, mouth at the first porous conveyer 3 connects the second porous conveyer 4, the mouth of the described second porous conveyer 4 is connected with the input end of cyclone 5, connect auxiliary power blower fan 8 in the outlet of the upper end of cyclone 5, the mouth of auxiliary power blower fan 8 is connected with the input end of pulse dust collector 6, and the mouth of described pulse dust collector 6 is connected with bag dust collector 7; The flying dust that cyclone 5, pulse dust collector 6 and bag dust collector 7 are separated falls into the storage apparatus for ash, in the bottom of storage apparatus for ash ash-discharging device 11 is set, and the flying dust that accumulates in the storage apparatus for ash passes through ash-discharging device 11 entruckings or packing.
Plurality of conduits 18 is set in the middle part of described porous conveyer, the space 17 that allows fluid to flow is arranged in 18 in pipeline, described pipeline 18 is installed on the interior adapter plate 20 of porous conveyer, described adapter plate 20 is divided into an entrance point with the inner chamber end parts of porous conveyer, and described pipeline 18 is communicated with described entrance point; Be provided with on the wall of porous conveyer and take over 14, when used porous conveyer was two, an end of described adapter 14 was communicated with space 17 in the first porous conveyer 3, and the interior space 17 of the other end and the second porous conveyer 4 is communicated with.
Be provided with the rhombus sparger in described entrance point, described rhombus sparger is separated into inlet chamber 23 and distribution cavity 24 with described entrance point; In described rhombus sparger, in the one or both sides of orifice plate 20 several bullets 22 are set, on the orifice plate 20 of 22 of bullets, be provided for linking up the through hole 21 of inlet chamber 23 and distribution cavity 24.Be positioned at two relative bullets of orifice plate 20 both sides 22 and form a diamond shaped structure, therefore be referred to as the rhombus sparger, behind the flying dust process rhombus sparger, can enter equably in the pipeline 18 subsequently.
A kind of flying dust that is used for biomass electric power plant is delivered to the technology of packing of grey storehouse or shipment with seal form, it is the flying dust (temperature is 600-850 ℃) that to produce in the biomass electric power plant power generation process, send into earlier in the porous conveyer by driven fan, after the processing of the first porous conveyer 3 and the second porous conveyer 4, the temperature of flying dust can drop to 60-80 ℃, gather the waste heat of its flying dust in conveying and the heat transfer process, the conveying type heat exchanger of open grain structure can prevent that flying dust from stopping up, and helps heat radiation simultaneously; Flying dust after the cooling is input in the cyclone 5 again, after cyclone 5 separates, about flying dust more than 96% can be separated falls, the flying dust of separating falls into the storage apparatus for ash 16 below the cyclone 5, remain about flying dust of about 4% again with falling into following storage apparatus for ash 16 behind air communication extra pulse dust exhaustor 6, the bag dust collector 7, the pure air after the separation is discharged in the atmosphere; Storage apparatus for ash 16 has ash-discharging device 11, and the flying dust that accumulates in the storage apparatus for ash 16 can be by directly packing shipment of ash-discharging device 11.Whole transportation process is all carried out under the fully enclosed environment, in anti-blocking, sealing, makes hot water when cooling, and has saved energy resource consumption.Among Fig. 19,10,12,13 is control cock.
Implementation procedure of the present invention is as follows: (1) driven fan is sent to flying dust (temperature 600-850 ℃) in the porous conveyer because Homogeneouslly-radiating, make flying dust by the porous conveyer after temperature drop to 60-80 ℃, can make the hot water more than 80 ℃ simultaneously.(2) traction that blows with accessory fan by the engine machine enters into disconnector, falls into storage apparatus for ash after having flying dust more than 96% to separate therebetween.(3) fall into the storage apparatus for ash after the flying dust of residue 4% enters into pulse dust collector and bag dust collector, the residue pure air is arranged in the atmosphere.(4) flying dust in the storage apparatus for ash is by ash-discharging device, the shipment of can packing.
Claims (5)
1, a kind of biomass electric power plant fly ash pneumatic conveying process, it is characterized in that: import the flying dust that produces in the biomass electric power plant power generation process in the first porous conveyer (3) earlier, enter the second porous conveyer (4) again, gather the waste heat of flying dust in conveying and heat transfer process, the conveyer of open texture can prevent the flying dust obstruction by rectangular distribution flying dust air-flow simultaneously; Enter into cyclone (5) again, about flying dust more than 95% is separated by cyclone (5), fall into the storage apparatus for ash, remaining flying dust enters after by pulse dust collector (6), bag dust collector (7) and stores up in the apparatus for ash, and the pure air after the separation is discharged in the air; Be provided with ash-discharging device (11) below the storage apparatus for ash, flying dust is through the directly packing shipment of ash-discharging device (11) back; Whole transportation process is carried out under the fully enclosed environment.
2, technology of carrying flying dust to load and transport according to claim 1 to the packing of grey storehouse with closing form, it is characterized in that, the flying dust input is had in the porous conveyer of anti-clogging function, gather the waste heat of flying dust when in the porous conveyer, realizing conveying and cooling, and utilized described waste heat to add hot water.
3, a kind ofly be used to implement the used equipment of the described biomass electric power plant fly ash pneumatic conveying process of claim 1, it is characterized in that: the mouth at driven fan (1) utilizes the plumbing connection first porous conveyer (3) and connect flying dust input air sealer (2) on described pipeline, mouth at the first porous conveyer (3) connects the second porous conveyer (4), the mouth of the described second porous conveyer (4) is connected with the input end of cyclone (5), connect auxiliary power blower fan (8) in the outlet of the upper end of cyclone (5), the mouth of auxiliary power blower fan (8) is connected with the input end of pulse dust collector (6), and the mouth of described pulse dust collector (6) is connected with bag dust collector (7); The flying dust that cyclone (5), pulse dust collector (6) and bag dust collector (7) are separated falls into the storage apparatus for ash, bottom at the storage apparatus for ash is provided with ash-discharging device (11), and the flying dust that accumulates in the storage apparatus for ash passes through ash-discharging device (11) entrucking or packing.
4, equipment according to claim 3, it is characterized in that, plurality of conduits (18) is set in the middle part of described porous conveyer, the space (17) that allows fluid to flow is arranged between pipeline (18), described pipeline (18) is installed on the interior adapter plate (20) of porous conveyer, described adapter plate (20) is divided into an entrance point with the inner chamber end parts of porous conveyer, and described pipeline (18) is communicated with described entrance point; Adapter (14) is set on the wall of porous conveyer, and described adapter (14) is communicated with described space (17).
5, equipment according to claim 4 is characterized in that, is provided with the rhombus sparger in described entrance point, and described rhombus sparger is separated into inlet chamber (23) and distribution cavity (24) with described entrance point; In described rhombus sparger, or/and both sides are provided with several bullets (22), on the orifice plate (20) between bullet (22), be provided for linking up the through hole (21) of inlet chamber (23) and distribution cavity (24) in a side of orifice plate (20).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102426427A CN101456492B (en) | 2008-12-30 | 2008-12-30 | Fly ash pneumatic conveying process and equipment for biomass power plant |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2008102426427A CN101456492B (en) | 2008-12-30 | 2008-12-30 | Fly ash pneumatic conveying process and equipment for biomass power plant |
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| Publication Number | Publication Date |
|---|---|
| CN101456492A true CN101456492A (en) | 2009-06-17 |
| CN101456492B CN101456492B (en) | 2011-08-24 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2008102426427A Expired - Fee Related CN101456492B (en) | 2008-12-30 | 2008-12-30 | Fly ash pneumatic conveying process and equipment for biomass power plant |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057961A (en) * | 2013-01-16 | 2013-04-24 | 安徽省阜阳市速发机械有限责任公司 | Dual-fan grain suction machine |
| CN104495390A (en) * | 2014-12-10 | 2015-04-08 | 大唐彬长发电有限责任公司 | Electric heating system for throttle hole of conveying pump |
| CN110360573A (en) * | 2019-08-08 | 2019-10-22 | 新中天环保股份有限公司 | A kind of flying ash of garbage cremator conveying device |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5803673A (en) * | 1996-07-10 | 1998-09-08 | Pathfinder Systems, Inc. | Portable pneumatic precision metering device |
| JP5090597B2 (en) * | 2001-08-07 | 2012-12-05 | ツカサ工業株式会社 | Dust collection unit for milling. |
| CN201152532Y (en) * | 2007-12-06 | 2008-11-19 | 北京国电富通科技发展有限责任公司 | Cooling system for clinker centralized conveying |
| CN101224363B (en) * | 2008-02-02 | 2010-12-22 | 宝钢工程技术集团有限公司 | Dedusting dry powder recycling process |
| CN201390538Y (en) * | 2008-12-30 | 2010-01-27 | 无锡湖光工业炉有限公司 | Pneumatic conveying device of fly ash for biomass power plant |
-
2008
- 2008-12-30 CN CN2008102426427A patent/CN101456492B/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103057961A (en) * | 2013-01-16 | 2013-04-24 | 安徽省阜阳市速发机械有限责任公司 | Dual-fan grain suction machine |
| CN104495390A (en) * | 2014-12-10 | 2015-04-08 | 大唐彬长发电有限责任公司 | Electric heating system for throttle hole of conveying pump |
| CN110360573A (en) * | 2019-08-08 | 2019-10-22 | 新中天环保股份有限公司 | A kind of flying ash of garbage cremator conveying device |
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| CN101456492B (en) | 2011-08-24 |
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Granted publication date: 20110824 Termination date: 20181230 |