CN103752592B - A kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device and recovery process - Google Patents
A kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device and recovery process Download PDFInfo
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- CN103752592B CN103752592B CN201310748468.4A CN201310748468A CN103752592B CN 103752592 B CN103752592 B CN 103752592B CN 201310748468 A CN201310748468 A CN 201310748468A CN 103752592 B CN103752592 B CN 103752592B
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Abstract
The present invention relates to a kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device and technique.Apparatus of the present invention comprise disintegrating machine, screw(-type) feeder, mortar stirring pool, ratio of mud monitoring feedback control system, buffering pond, water circulating pump and grey field water return pipeline, and purification classification device for improving quality is connected on collecting pit and back pool.Present invention process is: (1) ash storing field in power station stockyard is broken, mixes with backwater; (2) concentration stabilize of high concentration slurries; (3) high concentration slurries are delivered to distribution header through Pulp pump and manual modulation valve; (4) overflow water in drainage bin and bleed flow automatically in thickener; (5) mixture of the drift pearl particle in collecting pit and water is through purification classification device for improving quality; (6) overflow water in thickener is from flowing in buffered water pond; (7) the high concentration slag slurry that the bottom of thickener and the bottom in buffered water pond are discharged continues to enter drainage bin and recycles.The present invention effectively improves stockyard ash comprehensive utilization level.
Description
Technical field
The present invention relates to a kind of hollow-particle high efficiente callback device and recovery process, especially relate to a kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device and recovery process.
Background technology
Flyash and slag are the byproducts in thermal power plant, the flyash enormous amount that China produces every year, make a low multiple use, a large amount of flyash is deposited in grey field, not only taking a large amount of arable lands but also contaminated environment, so realize Ash Utilization comprehensive utilization to have become in China's economic construction an important techno-economic policy, is solve China's power generation environmental pollution, the important means of contradiction between resource shortage is also one of current thermal power industry main task facing solution.
Traditional flyash and the levigate sorting process of slag produce a secondary commercial fly ashes mainly for the cement of respective regions and Concrete Industry.But this technique is easily by relevant industries relation between supply and demand, the market prices such as cement and the impact transporting the aspects such as radius, and owing to lacking Basic Experiment Study and powdered coal ash products as building material quality instability, hinder the utilization of flyash further.Because ash disposal area stockyard lime-ash moisture is very high, wherein containing the more wear-resisting and cenosphere that intensity is higher, according to levigate sorting process, must carry out pre-dried to stockyard lime-ash, cost of disposal increases greatly.
Containing more cenosphere particle in the lime-ash of stockyard, therefore after stockyard lime-ash directly being collected broken stir process, carry out hollow-particle high efficiente callback PROCESS FOR TREATMENT, the hollow float bead product proportion that production obtains is little, thermal conductivity factor is little, high temperature resistant, wear-resisting, intensity is high, have higher electric resistivity and good resistance heat effect, have a wide range of applications in chemical industry, machinery, construction material, aerospace industry and deep ocean work, cryogenic engineering, and at home and abroad the market demand is vigorous at present.
Also the method reclaiming hollow-particle is had at present in power station, publication date is on 04 03rd, 2013, publication number is in the Chinese patent of CN103008332A, disclose retracting device and the recovery method of a kind of Rear of Utility Boiler heating surface flyash and bottom slag hollow-particle, the method is only for the recovery of Rear of Utility Boiler heating surface flyash and bottom slag hollow-particle.Stir through humidification in the process of stockyard due to fly ash in electric power plant and roll process, and long-term stacking can cause the problems such as lime-ash seriously hardens, be difficult to realize stockyard lime-ash hollow-particle continuous high-efficient on the spot and reclaim.
In sum, also do not have one effectively can improve stockyard ash comprehensive utilization level now, added value of product be high, remarkable in economical benefits, by regional markets supply-demand relationship and Product transport radius restriction ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback technique.
Summary of the invention
The object of the invention is to overcome above shortcomings in prior art, and providing one effectively can improve stockyard ash comprehensive utilization level, added value of product is high, remarkable in economical benefits, the ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device not being subject to regional markets supply-demand relationship and the restriction of Product transport radius and technique.
The present invention's adopted technical scheme that solves the problem is: the design feature of this ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device is: comprise disintegrating machine, screw(-type) feeder, ribbon conveyer, electric blender, mortar stirring pool, ratio of mud monitoring feedback control system, electric control valve, Pulp pump, manual modulation valve, drainage bin, thickener, buffering pond, Pneumatic gate valve, distribute header, collecting pit, purification classification device for improving quality, back pool, a slush pump, No. two slush pumps, water circulating pump and grey field water return pipeline, described screw(-type) feeder is connected to the bottom of disintegrating machine, described ribbon conveyer is connected with screw(-type) feeder, this ribbon conveyer coordinates with mortar stirring pool, described electric blender is arranged in mortar stirring pool, described distribution header is connected on mortar stirring pool by Pulp pump and manual modulation valve, described drainage bin is connected to by Pneumatic gate valve and distributes in header, overflowing water port in described drainage bin and bleed mouth are all connected on thickener, drift pearl in described thickener collects mouth and overfall is connected on collecting pit and buffered water pond, the bottom of this thickener is connected to by a slush pump to be distributed in header, overfall in described buffering pond is connected on back pool, the bottom in this buffering pond is connected to by No. two slush pumps to be distributed in header, described purification classification device for improving quality is connected on collecting pit and back pool, described back pool is connected to the counter-flushing pipeline of drainage bin by water circulating pump, the counter-flushing pipeline in buffering pond, on the supply line of mortar stirring pool and grey field water return pipeline, described electric control valve is arranged on the supply line of mortar stirring pool, and described ratio of mud monitoring feedback control system is connected to screw(-type) feeder, on mortar stirring pool and electric control valve.Make the retracting device in the present invention effectively can improve stockyard ash comprehensive utilization level thus, have that added value of product is high, remarkable in economical benefits, not by the advantage such as regional markets supply-demand relationship and the restriction of Product transport radius, economy and the social benefit of resources effective utilization are given full play to, stockyard lime-ash is made the best use of everything, has a wide range of applications and promotional value.
As preferably, the quantity of drainage bin of the present invention is two.
The present invention uses the feature of the recovery process of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device to be: described recovery process is as follows:
(1) ash storing field in power station stockyard lime-ash carries out after fragmentation through disintegrating machine, then is delivered in mortar stirring pool through screw(-type) feeder and ribbon conveyer, under the effect of electric blender, with backwater mixing and stirring, obtains high concentration slurries;
(2) can ensure that the concentration of mortar stirring pool middle and high concentration slurries keeps maintenance level by ratio of mud monitoring feedback control system, ratio of mud monitoring feedback control system according to the procedure judges of setting, can come the rotating speed of adjustable screw batcher and the aperture of electric control valve by feedback command;
(3) high concentration slurries are delivered to distribution header through Pulp pump and manual modulation valve, switch to drainage bin by Pneumatic gate valve, and the bottom ashe dump truck of drainage bin, after precipitation dehydration, is transported to user or the storage of grey field by the mixture of lime-ash and water;
(4) overflow water in drainage bin and bleed flow automatically in thickener, and under churned mechanically effect, drift pearl particle finally enters collecting pit;
(5) mixture of the drift pearl particle in collecting pit and water is through purification classification device for improving quality, and can continuously produce the drift pearl product that added value is higher, this drift pearl product is the final products that will reclaim, and the water separated is delivered to back pool;
(6) overflow water in thickener is from flowing in buffered water pond, after further clarifying cooling, again from flowing in back pool, water in back pool is divided into two-way after water circulating pump boosting, one road is connected to counter-flushing pipeline, the buffering counter-flushing pipeline in pond and the supply line of mortar stirring pool of drainage bin, and grey field water return pipeline of separately leading up to is transported to power station and recycles;
(7) the high concentration slag that the bottom of thickener and the bottom in buffered water pond are discharged is starched, and, overflow water under the flushing cinder sewage of surface collection, a small amount of drainage bin bleed and buffered water pond accident condition is delivered to distribution header by a slush pump and No. two slush pumps, continues to enter drainage bin and recycles.
The recovery process tool in the present invention is made to have the following advantages thus: (1) technological operation is easy; (2) operating cost is lower; (3) pearl continuous seepage ability is floated strong; (4) added value of product is high, remarkable in economical benefits; (5) recovery time is invested short; (6) technology promotion prospect is good.
The present invention compared with prior art, have the following advantages and effect: the discharge of Hui Changshi coal-fired station powdered coal cinder and storage sites, a large amount of powdered coal cinder stacks not only land occupation resource, causes severe contamination to surrounding enviroment, and seriously limits stockyard ash comprehensive utilization.Ash storing field in power station stockyard lime-ash domain size distribution is wider, hollow float bead content is generally 0.5wt% ~ 3wt%, the present invention can extract the less cenosphere of proportion from the lime-ash of stockyard, the characteristic such as this cenosphere has that intensity is high, thermal insulation good, high temperature resistant, wear-resisting and electrical insulating property is good, has purposes widely in chemical industry, metallurgy, machinery, construction material, aerospace industry and deep ocean work, cryogenic engineering.The present invention can improve stockyard ash comprehensive utilization level effectively, have that added value of product is high, remarkable in economical benefits, not by the advantage such as regional markets supply-demand relationship and the restriction of Product transport radius, economy and the social benefit of resources effective utilization are given full play to, stockyard lime-ash is made the best use of everything, has a wide range of applications and promotional value.
Stir through humidification in the process of stockyard due to fly ash in electric power plant and roll process, and long-term stacking can cause the problems such as lime-ash seriously hardens, and introduces stockyard lime-ash pretreatment unit in the present invention, stockyard lime-ash hollow-particle continuous high-efficient can be realized on the spot and reclaim.
Accompanying drawing explanation
Fig. 1 is the schematic flow sheet of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback technique in the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, also by embodiment, the present invention is described in further detail, and following examples are explanation of the invention and the present invention is not limited to following examples.
Embodiment.
See Fig. 1, the ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device in the present embodiment comprises disintegrating machine, screw(-type) feeder, ribbon conveyer, electric blender, mortar stirring pool, ratio of mud monitoring feedback control system, electric control valve, Pulp pump, manual modulation valve, drainage bin, drainage bin, thickener, buffering pond, Pneumatic gate valve, distribution header, collecting pit, purification classification device for improving quality, back pool, a slush pump, No. two slush pumps, water circulating pump and grey field water return pipelines.
Screw(-type) feeder in the present embodiment is connected to the bottom of disintegrating machine, and ribbon conveyer is connected with screw(-type) feeder, and this ribbon conveyer coordinates with mortar stirring pool, and electric blender is arranged in mortar stirring pool.
Distribution header in the present embodiment is connected on mortar stirring pool by Pulp pump and manual modulation valve, drainage bin and drainage bin are all connected to by Pneumatic gate valve and distribute in header, and the overflowing water port in drainage bin and drainage bin and bleed mouth are all connected on thickener.
Drift pearl in thickener in the present embodiment collects mouth and overfall is connected on collecting pit and buffered water pond, the bottom of this thickener is connected to by a slush pump to be distributed in header, overfall in buffering pond is connected on back pool, the bottom in this buffering pond is connected to by No. two slush pumps to be distributed in header, and purification classification device for improving quality is connected on collecting pit and back pool.
Back pool in the present embodiment by water circulating pump be connected to drainage bin and drainage bin counter-flushing pipeline, buffering the counter-flushing pipeline in pond, the supply line of mortar stirring pool and grey field water return pipeline on, electric control valve is arranged on the supply line of mortar stirring pool, and ratio of mud monitoring feedback control system is connected on screw(-type) feeder, mortar stirring pool and electric control valve.
Ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback technique in the present embodiment is as follows.
(1) ash storing field in power station stockyard lime-ash carries out after fragmentation through disintegrating machine, then is delivered in mortar stirring pool through screw(-type) feeder and ribbon conveyer, under the effect of electric blender, with backwater mixing and stirring, obtains high concentration slurries.
(2) can ensure that the concentration of mortar stirring pool middle and high concentration slurries keeps maintenance level by ratio of mud monitoring feedback control system, ratio of mud monitoring feedback control system according to the procedure judges of setting, can come the rotating speed of adjustable screw batcher and the aperture of electric control valve by feedback command.
(3) high concentration slurries are delivered to distribution header through Pulp pump and manual modulation valve, drainage bin and drainage bin is switched to by Pneumatic gate valve, the bottom ashe of drainage bin and drainage bin, after precipitation dehydration, is regularly transported to user or the storage of grey field with dump truck according to sediment level-sensing device designation data by the mixture of lime-ash and water.
(4) overflow water in drainage bin and drainage bin and bleed flow automatically in thickener, and under churned mechanically effect, drift pearl particle finally enters collecting pit.
(5) mixture of the drift pearl particle in collecting pit and water is through purification classification device for improving quality, and can continuously produce the drift pearl product that added value is higher, this drift pearl product is the final products that will reclaim, and the water separated is delivered to back pool.
(6) overflow water in thickener is from flowing in buffered water pond, after further clarifying cooling, again from flowing in back pool, water in back pool is divided into two-way after water circulating pump boosting, one road is connected to counter-flushing pipeline, the buffering counter-flushing pipeline in pond and the supply line of mortar stirring pool of drainage bin and drainage bin, and grey field water return pipeline of separately leading up to is transported to power station and recycles.
(7) overflow water under high concentration slag slurry, bottom a small amount of bleed of high concentration slag slurry, the flushing cinder sewage of surface collection, drainage bin and drainage bin of discharging in buffering pond and the buffering pond accident condition of discharging of the bottom of thickener is delivered to distribution header by a slush pump and No. two slush pumps, continues to enter drainage bin and drainage bin recycles.
In addition, it should be noted that, the specific embodiment described in this description, the shape, institute's title of being named etc. of its parts and components can be different, and the above content described in this description is only to structure example of the present invention explanation.The equivalence change that structure, feature and the principle of all foundations described in inventional idea of the present invention are done or simple change, be included in the protection domain of patent of the present invention.Those skilled in the art can make various amendment or supplement or adopt similar mode to substitute to described specific embodiment; only otherwise depart from structure of the present invention or surmount this scope as defined in the claims, protection scope of the present invention all should be belonged to.
Claims (3)
1. an ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device, is characterized in that: comprise disintegrating machine, screw(-type) feeder, ribbon conveyer, electric blender, mortar stirring pool, ratio of mud monitoring feedback control system, electric control valve, Pulp pump, manual modulation valve, drainage bin, thickener, buffering pond, Pneumatic gate valve, distribute header, collecting pit, purification classification device for improving quality, back pool, a slush pump, No. two slush pumps, water circulating pump and grey field water return pipeline, described screw(-type) feeder is connected to the bottom of disintegrating machine, described ribbon conveyer is connected with screw(-type) feeder, this ribbon conveyer coordinates with mortar stirring pool, described electric blender is arranged in mortar stirring pool, described distribution header is connected on mortar stirring pool by Pulp pump and manual modulation valve, described drainage bin is connected to by Pneumatic gate valve and distributes in header, overflowing water port in described drainage bin and bleed mouth are all connected on thickener, drift pearl in described thickener collects mouth and overfall is connected on collecting pit and buffered water pond, the bottom of this thickener is connected to by a slush pump to be distributed in header, overfall in described buffering pond is connected on back pool, the bottom in this buffering pond is connected to by No. two slush pumps to be distributed in header, described purification classification device for improving quality is connected on collecting pit and back pool, described back pool is connected to the counter-flushing pipeline of drainage bin by water circulating pump, the counter-flushing pipeline in buffering pond, on the supply line of mortar stirring pool and grey field water return pipeline, described electric control valve is arranged on the supply line of mortar stirring pool, and described ratio of mud monitoring feedback control system is connected to screw(-type) feeder, on mortar stirring pool and electric control valve.
2. lime-ash hollow-particle high efficiente callback device in ash storing field in power station stockyard according to claim 1, is characterized in that: the quantity of described drainage bin is two.
3. use the recovery process as the ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device in claim 1 or 2, it is characterized in that: described recovery process is as follows:
(1) ash storing field in power station stockyard lime-ash carries out after fragmentation through disintegrating machine, then is delivered in mortar stirring pool through screw(-type) feeder and ribbon conveyer, under the effect of electric blender, with backwater mixing and stirring, obtains high concentration slurries;
(2) can ensure that the concentration of mortar stirring pool middle and high concentration slurries keeps maintenance level by ratio of mud monitoring feedback control system, ratio of mud monitoring feedback control system according to the procedure judges of setting, can come the rotating speed of adjustable screw batcher and the aperture of electric control valve by feedback command;
(3) high concentration slurries are delivered to distribution header through Pulp pump and manual modulation valve, switch to drainage bin by Pneumatic gate valve, and the bottom ashe dump truck of drainage bin, after precipitation dehydration, is transported to user or the storage of grey field by the mixture of lime-ash and water;
(4) overflow water in drainage bin and bleed flow automatically in thickener, and under churned mechanically effect, drift pearl particle finally enters collecting pit;
(5) mixture of the drift pearl particle in collecting pit and water is through purification classification device for improving quality, and can continuously produce the drift pearl product that added value is higher, this drift pearl product is the final products that will reclaim, and the water separated is delivered to back pool;
(6) overflow water in thickener is from flowing in buffered water pond, after further clarifying cooling, again from flowing in back pool, water in back pool is divided into two-way after water circulating pump boosting, one road is connected to counter-flushing pipeline, the buffering counter-flushing pipeline in pond and the supply line of mortar stirring pool of drainage bin, and grey field water return pipeline of separately leading up to is transported to power station and recycles;
(7) the high concentration slag that the bottom of thickener and the bottom in buffered water pond are discharged is starched, and, overflow water under the flushing cinder sewage of surface collection, a small amount of drainage bin bleed and buffered water pond accident condition is delivered to distribution header by a slush pump and No. two slush pumps, continues to enter drainage bin and recycles.
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| CN110510413B (en) * | 2019-09-20 | 2020-05-15 | 中煤科工集团武汉设计研究院有限公司 | Device and method for conveying coarse-particle coal slurry through pipeline |
| CN111468510A (en) * | 2020-04-20 | 2020-07-31 | 华电电力科学研究院有限公司 | Device and method for treating alkaline hazardous waste by using clean flue gas of coal-fired power plant |
| CN111892969A (en) * | 2020-08-18 | 2020-11-06 | 李立峰 | Process for extracting refined carbon powder from slag |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006087969A (en) * | 2004-09-21 | 2006-04-06 | Shin Meiwa Ind Co Ltd | Sewage treatment device and underwater decomposition type garbage treatment apparatus provided with the same |
| CN201446119U (en) * | 2009-04-03 | 2010-05-05 | 沈阳航空工业学院 | Device by utilizing flying ash in electric power plant to produce floating beads |
| JP2013124212A (en) * | 2011-12-16 | 2013-06-24 | Sakai Suzuki Kogyo Kk | Method for manufacturing coal ash granulated substance, method for manufacturing concrete product using coal ash granulated substance by the same, high density/high strength concrete product manufactured by those manufacturing methods, method for manufacturing recycled aggregate using the high density/high strength concrete product, and recycled aggregate manufactured by the manufacturing method |
| CN203018439U (en) * | 2012-12-19 | 2013-06-26 | 华电电力科学研究院 | Recycling device of pulverized fuel ash of tail heating surface and bottom slag hollow particles of power station furnace |
| KR20130105216A (en) * | 2012-03-15 | 2013-09-25 | 코카스엔텍 주식회사 | Resource collection method from fly ash |
| CN203725487U (en) * | 2013-12-31 | 2014-07-23 | 华电电力科学研究院 | High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station |
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Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006087969A (en) * | 2004-09-21 | 2006-04-06 | Shin Meiwa Ind Co Ltd | Sewage treatment device and underwater decomposition type garbage treatment apparatus provided with the same |
| CN201446119U (en) * | 2009-04-03 | 2010-05-05 | 沈阳航空工业学院 | Device by utilizing flying ash in electric power plant to produce floating beads |
| JP2013124212A (en) * | 2011-12-16 | 2013-06-24 | Sakai Suzuki Kogyo Kk | Method for manufacturing coal ash granulated substance, method for manufacturing concrete product using coal ash granulated substance by the same, high density/high strength concrete product manufactured by those manufacturing methods, method for manufacturing recycled aggregate using the high density/high strength concrete product, and recycled aggregate manufactured by the manufacturing method |
| KR20130105216A (en) * | 2012-03-15 | 2013-09-25 | 코카스엔텍 주식회사 | Resource collection method from fly ash |
| CN203018439U (en) * | 2012-12-19 | 2013-06-26 | 华电电力科学研究院 | Recycling device of pulverized fuel ash of tail heating surface and bottom slag hollow particles of power station furnace |
| CN203725487U (en) * | 2013-12-31 | 2014-07-23 | 华电电力科学研究院 | High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station |
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