CN203725487U - High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station - Google Patents
High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station Download PDFInfo
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- CN203725487U CN203725487U CN201320887217.XU CN201320887217U CN203725487U CN 203725487 U CN203725487 U CN 203725487U CN 201320887217 U CN201320887217 U CN 201320887217U CN 203725487 U CN203725487 U CN 203725487U
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Abstract
The utility model relates to a high-efficiency recovery device for hollow particles of ash residue in a storage yard of an ash disposal area of a power station, which can fill up the blank of a recovery device capable of effectively improving the comprehensive utilization level of ash residue in a storage yard at present. The high-efficiency recovery device is characterized by comprising a crusher, a screw feeder, a belt conveyer, a water cement ratio monitoring feedback control system, an electric control valve, a slurry pump, a hand-operated regulating valve, a dewatering bin, a thickener, a buffering water tank, a pneumatic gate valve, a distributing header, a collecting tank, a purifying classifying and upgrading device, a water reclaiming tank, a circulating water pump and an ash yard water-reclaiming pipeline, wherein the distributing header is connected onto a mortar stirring pond by the slurry pump and the hand-operated regulating valve, the dewatering bin is connected onto the distributing header by the pneumatic gate valve, and the water reclaiming tank is connected onto a back-flushing pipeline of the dewatering bin, a back-flushing pipeline of the buffering water tank, a water feeding pipeline of the mortar stirring pond and the ash yard water-reclaiming pipeline by the circulating water pump. The high-efficiency recovery device can effectively improve the comprehensive utilization level of ash residue in the storage yard and ensure high added value of products.
Description
Technical field
The utility model relates to a kind of hollow-particle high efficiente callback device, especially relates to a kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device.
Background technology
Flyash and slag are the byproducts in thermal power plant, the annual flyash enormous amount producing of China, make a low multiple use, a large amount of flyash is deposited in ash, not only taking a large amount of arable lands but also contaminated environment, become an important techno-economic policy in China's economic construction so realize Ash Utilization comprehensive utilization, is to solve China's power generation environmental pollution, the important means of contradiction between resource shortage is also that current thermal power industry faces one of main task of solution.
Traditional flyash and slag are levigate, and sorting process is produced a secondary commodity flyash mainly for cement and the Concrete Industry of respective regions.But this technique is easily subject to relevant industries relation between supply and demand, the market prices such as cement and transports the impact of the aspects such as radius, and unstable owing to lacking Basic Experiment Study and powdered coal ash products as building material quality, further hinder the utilization of flyash.Because ash disposal area stockyard lime-ash moisture is very high, wherein contain more wear-resisting and cenosphere that intensity is higher, if adopt levigate sorting process, must carry out pre-dried to stockyard lime-ash, cost of disposal increases greatly.
In the lime-ash of stockyard, contain more cenosphere particle, therefore stockyard lime-ash is directly collected after broken stir process, carry out hollow-particle high efficiente callback PROCESS FOR TREATMENT, 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 resistance heat effect preferably, in chemical industry, machinery, construction material, aerospace industry and deep ocean work, cryogenic engineering, have a wide range of applications, and at home and abroad the market demand is vigorous at present.
In power station, also there is at present the method that reclaims hollow-particle, open day is on 04 03rd, 2013, publication number is in the Chinese patent of CN103008332A, retracting device and the recovery method of a kind of Rear of Utility Boiler heating surface flyash and bottom slag hollow-particle are disclosed, the method recovery for Rear of Utility Boiler heating surface flyash and bottom slag hollow-particle.Because fly ash in electric power plant stirs and rolls processing through humidification in the process of stockyard, and long-term stacking can cause the problems such as lime-ash seriously hardens, and is difficult to realize on the spot stockyard lime-ash hollow-particle continuous high-efficient and reclaims.
In sum, also do not have now one can effectively improve stockyard ash comprehensive utilization level, added value of product is high, remarkable in economical benefits, be not subject to the ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device of regional markets supply-demand relationship and Product transport radius limit.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and providing one can effectively improve stockyard ash comprehensive utilization level, added value of product is high, remarkable in economical benefits, be not subject to the ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device of regional markets supply-demand relationship and Product transport radius limit.
The technical scheme in the invention for solving the above technical 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, slag stock pump, manual modulation valve, drainage bin, thickener, buffering pond, Pneumatic gate valve, distribute header, collecting pit, purify classification device for improving quality, back pool, a slush pump, No. two slush pumps, water circulating pump and an ash 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 slag stock pump and manual modulation valve, described drainage bin is connected to and is distributed in header by Pneumatic gate valve, overflowing water port in described drainage bin and bleed mouth are all connected on thickener, in described thickener float pearl collect mouthful and overfall be connected on collecting pit and buffered water pond, the bottom of this thickener is connected to and is distributed in header by a slush pump, overfall in described buffering pond is connected on back pool, the bottom in this buffering pond is connected to and is distributed in header by No. two slush pumps, 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 an ash 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 thus the retracting device in the utility model can effectively improve stockyard ash comprehensive utilization level, have that added value of product is high, remarkable in economical benefits, be not subject to the advantage such as regional markets supply-demand relationship and Product transport radius limit, economy and the social benefit of resources effective utilization are given full play to, stockyard lime-ash is made the best use of everything, have a wide range of applications and promotional value.
As preferably, the quantity of drainage bin described in the utility model is two.
The utility model compared with prior art, have the following advantages and effect: the discharge of Hui Changshi coal-fired station powdered coal cinder and storage place, a large amount of powdered coal cinders are stacked not only land occupation resource, surrounding enviroment are caused to severe contamination, and seriously limited stockyard ash comprehensive utilization.Ash storing field in power station stockyard lime-ash particle diameter is distributed more widely, hollow float bead content is generally 0.5wt% ~ 3wt%, the utility model can extract the cenosphere that proportion is less 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 utility model can improve stockyard ash comprehensive utilization level effectively, have that added value of product is high, remarkable in economical benefits, be not subject to the advantage such as regional markets supply-demand relationship and Product transport radius limit, economy and the social benefit of resources effective utilization are given full play to, stockyard lime-ash is made the best use of everything, have a wide range of applications and promotional value.
Because fly ash in electric power plant stirs and roll processing through humidification in the process of stockyard, and long-term stacking can cause the problems such as lime-ash seriously hardens, in the utility model, introduce stockyard lime-ash pretreatment unit, can realize on the spot stockyard lime-ash hollow-particle continuous high-efficient and reclaim.
Brief description of the drawings
Fig. 1 is the structural representation of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device in the utility model embodiment.
Fig. 2 is the schematic flow sheet of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback technique in the utility model embodiment.
Detailed description of the invention
Below in conjunction with accompanying drawing and by embodiment, the utility model is described in further detail, and following examples are to explanation of the present utility model and the utility model is not limited to following examples.
Embodiment.
Referring to Fig. 1 to Fig. 2, ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device in the present embodiment comprises disintegrating machine 1, screw(-type) feeder 2, ribbon conveyer 3, electric blender 4, mortar stirring pool 5, ratio of mud monitoring feedback control system 6, electric control valve 7, slag stock pump 8, manual modulation valve 9, drainage bin 10, drainage bin 11, thickener 12, buffering pond 13, Pneumatic gate valve 14, distribute header 15, collecting pit 16, purify classification device for improving quality 17, back pool 18, a slush pump 19, No. two slush pumps 20, water circulating pump 21 and an ash water return pipeline 22.
Screw(-type) feeder 2 in the present embodiment is connected to the bottom of disintegrating machine 1, and ribbon conveyer 3 is connected with screw(-type) feeder 2, and this ribbon conveyer 3 coordinates with mortar stirring pool 5, and electric blender 4 is arranged in mortar stirring pool 5.
Distribution header 15 in the present embodiment is connected on mortar stirring pool 5 by slag stock pump 8 and manual modulation valve 9, drainage bin 10 and drainage bin 11 are all connected to and are distributed in header 15 by Pneumatic gate valve 14, and overflowing water port and bleed mouth in drainage bin 10 and drainage bin 11 are all connected on thickener 12.
In thickener 12 in the present embodiment float pearl collect mouthful and overfall be connected on collecting pit 16 and buffered water pond 13, the bottom of this thickener 12 is connected to and is distributed in header 15 by a slush pump 19, overfall in buffering pond 13 is connected on back pool 18, the bottom in this buffering pond 13 is connected to and is distributed in header 15 by No. two slush pumps 20, purifies classification device for improving quality 17 and is connected on collecting pit 16 and back pool 18.
Back pool 18 in the present embodiment is connected to by water circulating pump 21 on the supply line and an ash water return pipeline 22 of the counter-flushing pipeline of drainage bin 10 and drainage bin 11, the counter-flushing pipeline that cushions pond 13, mortar stirring pool 5, electric control valve 7 is arranged on the supply line of mortar stirring pool 5, and ratio of mud monitoring feedback control system 6 is connected on screw(-type) feeder 2, mortar stirring pool 5 and electric control valve 7.
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 1, then is delivered in mortar stirring pool 5 through screw(-type) feeder 2 and ribbon conveyer 3, under the effect of electric blender 4, with backwater mixing and stirring, obtains high concentration slurries.
(2) monitor feedback control system 6 by the ratio of mud and can ensure that the concentration of mortar stirring pool 5 middle and high concentration slurries keeps maintenance level, ratio of mud monitoring feedback control system 6 can, according to the procedure judges of setting, be carried out the aperture of rotating speed and the electric control valve 7 of adjustable screw batcher 2 by feedback command.
(3) high concentration slurries are delivered to distribution header 15 through slag stock pump 8 and manual modulation valve 9, switch to drainage bin 10 and drainage bin 11 by Pneumatic gate valve 14, the mixture of lime-ash and water, after precipitation dehydration, is regularly transported to user or an ash storage with dump truck according to sediment level-sensing device designation data by the bottom ashe 23 of drainage bin 10 and drainage bin 11.
(4) overflow water in drainage bin 10 and drainage bin 11 and bleed flow automatically in thickener 12, under churned mechanically effect, float pearl particle and finally enter collecting pit 16.
(5) mixture that floats pearl particle and water in collecting pit 16 is through purifying classification device for improving quality 17, can continuously produce added value higher float pearl product, this floats pearl product and is the final products that will reclaim, the water of separating is delivered to back pool 18.
(6) overflow water in thickener 12 is from flowing in buffered water pond 13, after further clarification is cooling, again from flowing in back pool 18, water in back pool 18 is divided into two-way after water circulating pump 21 boosts, one road is connected to counter-flushing pipeline, the buffering counter-flushing pipeline in pond 13 and the supply line of mortar stirring pool 5 of drainage bin 10 and drainage bin 11, and the ash water return pipeline 22 of separately leading up to is transported to power station and recycles.
(7) overflow water under a small amount of bleed and buffering pond 13 accident conditions of the high concentration slag slurry that discharge the bottom of thickener 12, the high concentration slag slurry that discharges the bottom in buffering pond 13, flushing cinder sewage, drainage bin 10 and the drainage bin 11 that collect on ground is delivered to and is distributed header 15 by a slush pump 19 and No. two slush pumps 20, continues to enter drainage bin 10 and drainage bin 11 recycles.
In addition, it should be noted that, the specific embodiment described in this description, 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 the explanation of the utility model structure example.All equivalence variation or simple change of doing according to described structure, feature and the principle of the utility model patent design, are included in the protection domain of the utility model patent.The utility model person of ordinary skill in the field can make various amendments or supplements or adopt similar mode to substitute described specific embodiment; only otherwise depart from structure of the present utility model or surmount this scope as defined in the claims, all should belong to protection domain of the present utility model.
Claims (2)
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, slag stock pump, manual modulation valve, drainage bin, thickener, buffering pond, Pneumatic gate valve, distribute header, collecting pit, purify classification device for improving quality, back pool, a slush pump, No. two slush pumps, water circulating pump and an ash 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 slag stock pump and manual modulation valve, described drainage bin is connected to and is distributed in header by Pneumatic gate valve, overflowing water port in described drainage bin and bleed mouth are all connected on thickener, in described thickener float pearl collect mouthful and overfall be connected on collecting pit and buffered water pond, the bottom of this thickener is connected to and is distributed in header by a slush pump, overfall in described buffering pond is connected on back pool, the bottom in this buffering pond is connected to and is distributed in header by No. two slush pumps, 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 an ash 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. ash storing field in power station according to claim 1 stockyard lime-ash hollow-particle high efficiente callback device, is characterized in that: the quantity of described drainage bin is two.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320887217.XU CN203725487U (en) | 2013-12-31 | 2013-12-31 | High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201320887217.XU CN203725487U (en) | 2013-12-31 | 2013-12-31 | High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station |
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| Publication Number | Publication Date |
|---|---|
| CN203725487U true CN203725487U (en) | 2014-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201320887217.XU Withdrawn - After Issue CN203725487U (en) | 2013-12-31 | 2013-12-31 | High-efficiency recovery device for hollow particles of ash residue in storage yard of ash disposal area of power station |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752592A (en) * | 2013-12-31 | 2014-04-30 | 华电电力科学研究院 | Efficient recycling device and process for hollow particles in ash residues in ash storing yard and storage yard of power station |
| CN110510413A (en) * | 2019-09-20 | 2019-11-29 | 中煤科工集团武汉设计研究院有限公司 | A kind of pipeline coarse granule coal slurry device and its delivery method |
-
2013
- 2013-12-31 CN CN201320887217.XU patent/CN203725487U/en not_active Withdrawn - After Issue
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103752592A (en) * | 2013-12-31 | 2014-04-30 | 华电电力科学研究院 | Efficient recycling device and process for hollow particles in ash residues in ash storing yard and storage yard of power station |
| CN103752592B (en) * | 2013-12-31 | 2016-02-24 | 华电电力科学研究院 | A kind of ash storing field in power station stockyard lime-ash hollow-particle high efficiente callback device and recovery process |
| CN110510413A (en) * | 2019-09-20 | 2019-11-29 | 中煤科工集团武汉设计研究院有限公司 | A kind of pipeline coarse granule coal slurry device and its delivery method |
| 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 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20140723 Effective date of abandoning: 20160224 |
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| C25 | Abandonment of patent right or utility model to avoid double patenting |