CN203663788U - Device for blending target fly ash - Google Patents

Device for blending target fly ash Download PDF

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Publication number
CN203663788U
CN203663788U CN201320720690.9U CN201320720690U CN203663788U CN 203663788 U CN203663788 U CN 203663788U CN 201320720690 U CN201320720690 U CN 201320720690U CN 203663788 U CN203663788 U CN 203663788U
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China
Prior art keywords
ash
flyash
storing bin
electronic scale
pipe
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Expired - Lifetime
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CN201320720690.9U
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Chinese (zh)
Inventor
王群英
姜佳旭
郝功涛
张琨
苏攀
岳益锋
邓庆德
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Huadian Electric Power Research Institute Co Ltd
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Huadian Electric Power Research Institute Co Ltd
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Priority to CN201320720690.9U priority Critical patent/CN203663788U/en
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Abstract

The utility model relates to a device for blending target fly ash to solve the problem that no device can blend different qualities of fly ash from different sources into fly ash which meets industrial standard and requirements at present. The device is characterized by comprising an analyzing device, a control device, a riffle, an ash catcher, an ash catching pipe, a dust remover, a dedusting air pipe, a mixing stirrer and a plurality of fly ash storage devices, wherein each fly ash storage device comprises an ash storage bin, a material level gauge, a material dropping pipe, an electric air lock, a material electronic scale, a sampling pipe, a pneumatic gate valve and an ash conveying pipe; one end of the ash catching pipe is connected onto the ash catcher connected with the riffle, and the riffle is connected with the analyzing device which is connected with the control device; and the other end of the sampling pipe is connected onto the ash catching pipe, the other end of the ash conveying pipe is connected onto the mixing stirrer, and the electric air lock and the material electronic scale are both connected onto the control device. The device is reasonable in structural design and convenient to use.

Description

A kind of device of allocating target flyash
Technical field
The utility model relates to a kind of device of allocating target flyash, the flyash of separate sources and quality can be allocated as to the flyash that meets industry standard and demand.
Background technology
Along with the development of thermal power generation industry, the output of its solid waste flyash is also in cumulative year after year, and related data is added up, and flyash is estimated to reach 5.7 hundred million tons of annual productions at " 12 " end.If so huge flyash output is not processed, can produce airborne dust, and due to fire coal produce flyash in contain the materials such as arsenic, selenium, lead, these harmful substances can enter atmosphere along with airborne dust or sandstorm, not only cause atmosphere pollution, also can threaten public health.Can cause again river to silt up if flyash is entered to river course water system, and in flyash, potential toxicant can cause great pollution to water quality.
Therefore, improve the level of comprehensive utilization of flyash, promote the cycling and reutilization of resource, reduce flyash very urgent to the pollution of environment, for example open day is on 07 24th, 2013, in the Chinese patent that publication number is CN103214039A, discloses a kind of method of total utilization of PCA, the method by magnetic separation, alkali cleaning, wash away aluminium oxide, dilution obtains aluminium hydroxide; Chlorohydric acid pickling washes away magnesia and calcium oxide; Add a small amount of sulfuric acid to make calcium become calcium sulfate precipitation, magnesium is separated with calcium, and remaining is silica; Make flyash become di-iron trioxide, aluminium hydroxide, magnesium chloride, calcium sulfate and five kinds of industrial chemicals of silica through above-mentioned processing, but its flyash processing unit cost is higher.
But, due to flyash in architectural engineering, build the road, backfill and agricultural etc. every field have different purposes, different industries is also not quite similar to the requirement of the required functional character possessing of flyash, so sometimes due to reasons such as geographical position is limited, fly ash in electric power plant source of goods deficiency, a certain index no enough row of flyash industry demands, may cause the flyash application of single kind limited, dwindle the applicable surface of flyash, utilized flyash to make troubles to manufacturer.
Also there is no at present a kind of device that the flyash of separate sources and quality can be allocated as to the flyash that meets certain industry standard and demand.
Utility model content
The purpose of this utility model is to overcome above shortcomings in prior art, and provide a kind of reasonable in design, easy to use, the flyash of separate sources and quality can be allocated as to the flyash that meets certain industry standard and demand, be conducive to the device of the allotment target flyash that expands flyash applicable surface.
The technical scheme in the invention for solving the above technical problem is: the design feature of the device of this allotment target flyash is: comprise analytical equipment, control appliance, riffle, ash trap, ash trap tube, deduster, dedust air duct, mixing and blending machine and several flyash storage facilities, each flyash storage facilities includes ash-storing bin, level-sensing device, material blanking tube, electric lock pneumatic device, material electronic scale, sampling pipe, Pneumatic gate valve and ash pipeline, described level-sensing device is arranged on ash-storing bin, one end of described material blanking tube is connected to the bottom of ash-storing bin, the other end of this material blanking tube is connected on material electronic scale, described electric lock pneumatic device is arranged on material blanking tube, one end of described ash pipeline is connected to the bottom of material electronic scale, one end of described sampling pipe is connected on material blanking tube, one end of this sampling pipe is between ash-storing bin and electric lock pneumatic device, described Pneumatic gate valve is arranged on sampling pipe, one end of described grey trap tube is connected on grey trap, and this ash trap is connected with riffle, and described riffle is connected with analytical equipment, and this analytical equipment is connected with control appliance, connect by dedust air duct in the top of several ash-storing bins, described deduster is arranged on one of them ash-storing bin, the other end of described sampling pipe is connected on grey trap tube, the other end of described ash pipeline is connected on mixing and blending machine, and described electric lock pneumatic device and material electronic scale are all connected on control appliance.Make thus reasonable in design of the present utility model, the flyash of separate sources and quality can be allocated as to required target flyash through a set of technique, thereby the flyash that has solved single quality is difficult to meet the problem of market demands sometimes, has expanded the applicable surface of flyash.
As preferably, the quantity of flyash storage facilities described in the utility model is 2-10.
As preferably, the device of allotment target flyash described in the utility model also comprises deduster for subsequent use, and described deduster for subsequent use is arranged on another one ash-storing bin wherein.
As preferably, deduster described in the utility model is pulsed sack cleaner.
As preferably, the bottom of ash-storing bin described in the utility model is provided with fluidisation aerofoil.Make it possible to thus guarantee that ash-storing bin blanking is smooth and easy.
The utility model compared with prior art, has the following advantages and effect: the device of allotment target flyash simple in structure, reasonable in design, and scientific arrangement, easy to use, automaticity is high.The technique of the method for allotment target flyash is simple, and operating cost is lower, and the flyash of separate sources and quality is allocated as to required target flyash, and the flyash that has solved single kind is difficult to direct applied problem, has market application foreground widely.
Accompanying drawing explanation
Fig. 1 is the structural representation of allocating the device of target flyash in the utility model embodiment.
Fig. 2 is the process flow diagram of allocating the method for target flyash in the utility model embodiment.
The specific embodiment
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, the device of allocating target flyash in the present embodiment comprises analytical equipment 1, control appliance 2, riffle 3, grey trap 4, grey trap tube 5, deduster 6, dedust air duct 7, mixing and blending machine 8, deduster for subsequent use 10 and three flyash storage facilities 9, wherein, deduster 6 is preferably pulsed sack cleaner.In the utility model, the quantity of flyash storage facilities 9 can be set according to actual needs, and as the kind of the flyash that can allocate as required arranges, under normal circumstances, the quantity of this flyash storage facilities 9 is 2-10.
Each flyash storage facilities 9 in the present embodiment includes ash-storing bin 91, level-sensing device 92, material blanking tube 93, electric lock pneumatic device 94, material electronic scale 95, sampling pipe 96, Pneumatic gate valve 97 and ash pipeline 98, wherein, be preferably provided with fluidisation aerofoil in the bottom of ash-storing bin 91.Level-sensing device 92 in the present embodiment is arranged on ash-storing bin 91, level-sensing device 92 is for the controlling level in Real-Time Monitoring ash-storing bin 91, one end of material blanking tube 93 is connected to the bottom of ash-storing bin 91, the other end of this material blanking tube 93 is connected on material electronic scale 95, and the flyash in ash-storing bin 91 can be expected on material electronic scale 95 for 93 times along material blanking tube.Electric lock pneumatic device 94 in the present embodiment is arranged on material blanking tube 93, according to the switching situation of electric lock pneumatic device 94, can control ash-storing bin 91 to the blanking situation on material electronic scale 95.
In the present embodiment, one end of ash pipeline 98 is connected to the bottom of material electronic scale 95, and the other end of ash pipeline 98 is connected on mixing and blending machine 8, and the flyash on material electronic scale 95 can be transported in mixing and blending machine 8.In the present embodiment, one end of sampling pipe 96 is connected on material blanking tube 93, one end of this sampling pipe 96 is between ash-storing bin 91 and electric lock pneumatic device 94, Pneumatic gate valve 97 is arranged on sampling pipe 96, the other end of sampling pipe 96 is connected on grey trap tube 5, one end of ash trap tube 5 is connected on grey trap 4, in the time that Pneumatic gate valve 97 is opened, the flyash sample in ash-storing bin 91 can be transported in grey trap 4.
Grey trap 4 in the present embodiment is connected with riffle 3, and riffle 3 is connected with analytical equipment 1, between riffle 3 and analytical equipment 1, can carry out signal transmission.Analytical equipment 1 in the present embodiment is connected with control appliance 2, between analytical equipment 1 and control appliance 2, can carry out signal transmission.The flyash sample that is arranged in different ash-storing bins 91 is to enter respectively grey trap 4, respectively by the analyzing and testing of carrying out ash component, granularity and combustible index after riffle 3 divisions, in the present embodiment, the used method of carrying out analyzing and testing that flyash sample is carried out to ash component, granularity and combustible index belongs to prior art.
Connect by dedust air duct 7 in the top of the several ash-storing bins 91 in the present embodiment, make overall structure simple, reasonable in design, scientific arrangement, deduster 6 and deduster for subsequent use 10 are arranged on respectively wherein on two ash-storing bins 91, and under normal circumstances, deduster 10 for subsequent use is as for subsequent use, when deduster 6 needs to safeguard or breaks down while needing repairing, deduster 10 for subsequent use is enabled.Electric lock pneumatic device 94 in the present embodiment and material electronic scale 95 are all connected on control appliance 2, make can carry out signal transmission between electric lock pneumatic device 94 and control appliance 2, between material electronic scale 95 and control appliance 2, can carry out signal transmission, be that control appliance 2 can be controlled electric lock pneumatic device 94 and material electronic scale 95, electric lock pneumatic device 94 and material electronic scale 95 can feed back to information control appliance 2.
In the present embodiment, allocate the included step of method of target flyash with the device of allotment target flyash as follows.
(1) by positive-pressure pneumatic, different types of flyash is sent into respectively in ash-storing bin 91 separately, ash-storing bin 91 is by the material level situation in level-sensing device 92 Real-Time Monitoring storehouses; Connect by dedust air duct 7 in the top of several ash-storing bins 91, under the effect of deduster 6, make each ash-storing bin 91 interior all always in micro-vacuum state, prevent the flying dust leakage phenomenon producing because the malleation in ash-storing bin 91 is too high, the dust that deduster 6 is collected falls in ash-storing bin 91.
(2) control appliance 2 is controlled electric lock pneumatic device 94 and is opened, and makes flyash in each ash-storing bin 91 from material blanking tube 93 blankings separately, thus by the ash transfer in ash-storing bin 91 to corresponding material electronic scale 95.
(3) material blanking tube 93 in ash-storing bin 91 is connected with grey trap tube 5 by sampling pipe 96, control the opening/closing time of each Pneumatic gate valve 97 by control appliance 2, to regulate the sample type in grey trap 4, make grey trap 4 once trap a flyash sample in ash-storing bin 91, the sample trapping is after riffle 3 divisions, carry out the analyzing and testing of ash component, granularity and combustible index, thereby obtain analyzing data.In the present embodiment, one by one the flyash sample in ash-storing bin 91 is analyzed.
(4) analytical equipment 1 is according to the quality requirements of analyzing data and target flyash, calculate the proportioning result of the flyash to each ash-storing bin 91 interior needs, and proportioning result is sent to control appliance 2 by signal, regulated the frequency of electric lock pneumatic device 94 by control appliance 2, thereby control the blanking flow of ash-storing bin 91 interior flyash.In the time that the weight of the flyash in a certain material electronic scale 95 reaches proportioning value, this material electronic scale 95 is by signal feedback to control appliance 2, and control appliance 2 cuts out corresponding electric lock pneumatic device 94 immediately, and corresponding ash-storing bin 91 stops blanking.Analytical equipment 1 in the utility model calculates the proportioning result of the flyash to each ash-storing bin 91 interior needs according to the quality requirements of analyzing data and target flyash, these computational methods are common practise for a person skilled in the art.
(5) when the flyash weight on each material electronic scale 95 all reaches after proportioning value, all ash-storing bins 91 all stop blanking, now all electric lock pneumatic devices 94 are all in closed condition, each material electronic scale 95 is sent into flyash separately in mixing and blending machine 8 and is carried out mix and blend, finally by mixing and blending machine 8, the flyash of variety classes and different qualities is deployed into qualified target flyash.
The flyash of separate sources and quality can be allocated as to the target flyash that meets certain industry standard and demand by the method for allocating target flyash in the present embodiment, certain industry standard of flyash is common practise to those skilled in the art.The device of allocating target flyash in the utility model can be used as a set of unit and uses, and can carry out multiunit operation simultaneously according to actual conditions.
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 modifications 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 (5)

1. allocate the device of target flyash for one kind, it is characterized in that: comprise analytical equipment, control appliance, riffle, ash trap, ash trap tube, deduster, dedust air duct, mixing and blending machine and several flyash storage facilities, each flyash storage facilities includes ash-storing bin, level-sensing device, material blanking tube, electric lock pneumatic device, material electronic scale, sampling pipe, Pneumatic gate valve and ash pipeline, described level-sensing device is arranged on ash-storing bin, one end of described material blanking tube is connected to the bottom of ash-storing bin, the other end of this material blanking tube is connected on material electronic scale, described electric lock pneumatic device is arranged on material blanking tube, one end of described ash pipeline is connected to the bottom of material electronic scale, one end of described sampling pipe is connected on material blanking tube, one end of this sampling pipe is between ash-storing bin and electric lock pneumatic device, described Pneumatic gate valve is arranged on sampling pipe, one end of described grey trap tube is connected on grey trap, and this ash trap is connected with riffle, and described riffle is connected with analytical equipment, and this analytical equipment is connected with control appliance, connect by dedust air duct in the top of several ash-storing bins, described deduster is arranged on one of them ash-storing bin, the other end of described sampling pipe is connected on grey trap tube, the other end of described ash pipeline is connected on mixing and blending machine, and described electric lock pneumatic device and material electronic scale are all connected on control appliance.
2. the device of allotment target flyash according to claim 1, is characterized in that: the quantity of described flyash storage facilities is 2-10.
3. the device of allotment target flyash according to claim 1, is characterized in that: the device of this allotment target flyash also comprises deduster for subsequent use, and described deduster for subsequent use is arranged on another one ash-storing bin wherein.
4. the device of allotment target flyash according to claim 1, is characterized in that: described deduster is pulsed sack cleaner.
5. the device of allotment target flyash according to claim 1, is characterized in that: the bottom of described ash-storing bin is provided with fluidisation aerofoil.
CN201320720690.9U 2013-11-15 2013-11-15 Device for blending target fly ash Expired - Lifetime CN203663788U (en)

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Application Number Priority Date Filing Date Title
CN201320720690.9U CN203663788U (en) 2013-11-15 2013-11-15 Device for blending target fly ash

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Application Number Priority Date Filing Date Title
CN201320720690.9U CN203663788U (en) 2013-11-15 2013-11-15 Device for blending target fly ash

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599727A (en) * 2013-11-15 2014-02-26 华电电力科学研究院 Device and method for blending target coal ash
CN114797627A (en) * 2022-04-27 2022-07-29 天津海得润滋建材有限公司 Continuous production process of fly ash

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103599727A (en) * 2013-11-15 2014-02-26 华电电力科学研究院 Device and method for blending target coal ash
CN103599727B (en) * 2013-11-15 2016-03-30 华电电力科学研究院 A kind of apparatus and method of allocating target coal ash
CN114797627A (en) * 2022-04-27 2022-07-29 天津海得润滋建材有限公司 Continuous production process of fly ash

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Granted publication date: 20140625