CN110586620A - Metering and weighing device, fly ash treatment system and fly ash treatment method - Google Patents
Metering and weighing device, fly ash treatment system and fly ash treatment method Download PDFInfo
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- CN110586620A CN110586620A CN201910883570.2A CN201910883570A CN110586620A CN 110586620 A CN110586620 A CN 110586620A CN 201910883570 A CN201910883570 A CN 201910883570A CN 110586620 A CN110586620 A CN 110586620A
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- 239000010881 fly ash Substances 0.000 title claims abstract description 58
- 238000005303 weighing Methods 0.000 title claims abstract description 40
- 238000000034 method Methods 0.000 title claims abstract description 24
- 239000000463 material Substances 0.000 claims abstract description 125
- 239000000428 dust Substances 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 20
- 238000001035 drying Methods 0.000 claims description 57
- 238000002156 mixing Methods 0.000 claims description 46
- 238000003860 storage Methods 0.000 claims description 25
- 238000005259 measurement Methods 0.000 claims description 19
- 238000007599 discharging Methods 0.000 claims description 11
- 230000018044 dehydration Effects 0.000 claims description 4
- 238000006297 dehydration reaction Methods 0.000 claims description 4
- 238000003756 stirring Methods 0.000 claims description 4
- 238000001354 calcination Methods 0.000 claims description 3
- 230000001276 controlling effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 claims description 3
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 239000002920 hazardous waste Substances 0.000 abstract description 2
- 230000008569 process Effects 0.000 description 11
- 238000010586 diagram Methods 0.000 description 8
- 238000013329 compounding Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- YLQBMQCUIZJEEH-UHFFFAOYSA-N Furan Chemical compound C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 2
- 230000009471 action Effects 0.000 description 2
- 239000004568 cement Substances 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- HGUFODBRKLSHSI-UHFFFAOYSA-N 2,3,7,8-tetrachloro-dibenzo-p-dioxin Chemical compound O1C2=CC(Cl)=C(Cl)C=C2OC2=C1C=C(Cl)C(Cl)=C2 HGUFODBRKLSHSI-UHFFFAOYSA-N 0.000 description 1
- 229910052793 cadmium Inorganic materials 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 238000011068 loading method Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052753 mercury Inorganic materials 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000012216 screening Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 229910052725 zinc Inorganic materials 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B3/00—Destroying solid waste or transforming solid waste into something useful or harmless
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B5/00—Operations not covered by a single other subclass or by a single other group in this subclass
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B09—DISPOSAL OF SOLID WASTE; RECLAMATION OF CONTAMINATED SOIL
- B09B—DISPOSAL OF SOLID WASTE NOT OTHERWISE PROVIDED FOR
- B09B2101/00—Type of solid waste
- B09B2101/30—Incineration ashes
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- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Processing Of Solid Wastes (AREA)
Abstract
The application provides a metering and weighing device, a fly ash treatment system and a fly ash treatment method, and relates to the technical field of hazardous waste treatment. The metering and weighing device comprises a conveying mechanism, a standby bin, a metering bin and a first dust collector; conveying mechanism carries the material to the measuring bin in through first pipeline, and conveying mechanism carries the material to reserve storehouse through the second pipeline, and first dust collector communicates with reserve storehouse and measuring bin respectively through the third pipeline, and first dust collector is used for collecting the raise dust in the measuring bin and the raise dust in the reserve storehouse. The first dust collector is utilized, so that the fly ash in the standby bin and the metering bin is collected at the same time, and the device is simple in structure and convenient to operate.
Description
Technical Field
The application relates to the technical field of hazardous waste treatment, in particular to a metering and weighing device, a fly ash treatment system and a fly ash treatment method.
Background
With the rapid development of the incineration of household garbage and medical garbage, the output of incineration fly ash is increased year by year, and the incineration fly ash of garbage contains a large amount of inorganic heavy metals, such as Hg, Cd, Cr, Zn, dioxin, furan and the like, which belong to dangerous wastes.
The existing method for treating the fly ash generated by burning the household garbage is to combine fly ash treatment with cement production, so that the energy consumption of fly ash treatment is saved, the consumption of cement raw materials is reduced, the treatment method is low in cost and thorough in treatment, and the fly ash can be harmlessly treated and recycled. However, most of the treatment processes of the existing equipment are that wet mud after washing is directly dried by a drying device, then the dried materials are weighed and weighed, and finally calcined, however, in the weighing and weighing processes, fly ash in a plurality of spare bins needs to be collected and treated respectively, and the structure is complex.
Disclosure of Invention
The utility model aims to provide a measurement weighing device, flying dust processing system and flying dust processing method, in order to solve among the prior art to a certain extent in the measurement weighing process, need collect the processing respectively to the flying dust in a plurality of reserve storehouses, technical problem that the structure is complicated.
The application provides a metering and weighing device which comprises a conveying mechanism, a standby bin, a metering bin and a first dust collector;
conveying mechanism passes through first pipeline with the material carry extremely in the measurement storehouse, conveying mechanism passes through the second pipeline with the material carry extremely reserve storehouse, first dust collector pass through the third pipeline respectively with reserve storehouse with the measurement storehouse intercommunication, first dust collector is used for collecting raise dust in the measurement storehouse with raise dust in the reserve storehouse.
In the above technical scheme, further, a plurality of spare bins are provided, and the spare bins are communicated with the first dust collector through the third pipeline, and the first dust collector is used for collecting a plurality of dust generated in the spare bins.
In the above technical solution, further, a third rotary feeder is arranged between the standby bin and the conveying mechanism.
In the above technical scheme, further, a discharge valve is arranged at a discharge port of the spare bin.
The application also provides a fly ash treatment system, which comprises the metering and weighing device, the mixing device, the drying device and the distributing device;
the output end of the mixing device is communicated with the input end of the drying device, and the drying device is used for drying and collecting materials; the output end of the drying device is communicated with the input end of the material distributing device;
the feed divider includes: a finished product warehouse; the bottom of the finished product bin is provided with two discharge pipelines which are respectively a first discharge pipeline and a second discharge pipeline; the first discharging pipeline is communicated with the material mixing device, and the second discharging pipeline is connected with the conveying mechanism.
In the above technical solution, further, the mixing device includes a first storage bin and a coulter mixer;
the first storage bin is used for storing wet mud; first storage bin with connect through first auger delivery ware between the coulter mixes the machine, wet mud passes through first auger delivery ware carries extremely in the coulter mixes the machine, just wet mud with follow the dry fly ash that first ejection of compact pipeline carried is in mix in the coulter mixes the formation material.
In the above technical solution, further, the drying device includes a dryer and a second dust collector;
the coulter mixer is communicated with the input end of the dryer, and the output end of the dryer is communicated with the second dust collector; the dryer is used for dehydrating the materials, and the second dust collector is used for collecting the dust of the dehydrated materials in the dryer.
In the above technical solution, further, the mixing device further includes a first rotary feeder, and the first rotary feeder is disposed on a pipeline through which the first storage bin is communicated with the first screw conveyor; the first rotary feeder is used for regulating and controlling the feeding speed of the wet mud in the first storage bin to the coulter mixer.
In the above technical solution, further, the mixing device further includes a second rotary feeder, the second rotary feeder is disposed on a pipe connecting the coulter mixer and the dryer; the second rotary feeder is used for conveying the materials in the colter mixer into the dryer.
The application also provides a fly ash treatment method, which comprises the following steps:
mixing and stirring the wet mud and the dry fly ash to form a material;
drying and dehydrating the materials, and collecting the dehydrated materials;
and (3) distributing the materials after dehydration and air exhaust treatment, wherein one part of the materials are mixed and stirred with wet mud again, the other part of the materials are weighed and metered, and when the weight reaches a preset value, calcination is carried out.
Compared with the prior art, the method has the following advantages that:
the application provides a metering and weighing device, which comprises a conveying mechanism, a standby bin, a metering bin and a first dust collector;
conveying mechanism passes through first pipeline with the material carry extremely in the measurement storehouse, conveying mechanism passes through the second pipeline with the material carry extremely reserve storehouse, first dust collector pass through the third pipeline respectively with reserve storehouse with the measurement storehouse intercommunication, first dust collector is used for collecting raise dust in the measurement storehouse with raise dust in the reserve storehouse.
Particularly, a first dust collector is utilized, and then the dust in the standby bin and the metering bin is collected at the same time, and the dust collector is simple in structure and convenient to operate.
The application also provides a fly ash treatment system, which comprises the metering and weighing device, the mixing device, the drying device and the distributing device; the output end of the mixing device is communicated with the input end of the drying device, and the drying device is used for drying and collecting materials; the output end of the drying device is communicated with the input end of the material distributing device; the feed divider includes: a finished product warehouse; the bottom of the finished product bin is provided with two discharge pipelines which are respectively a first discharge pipeline and a second discharge pipeline; the first discharging pipeline is communicated with the mixing device, and the second discharging pipeline is connected with the elevator.
Particularly, be provided with compounding device, drying device, feed divider with the measurement weighing device, specific working process is: firstly, mixing wet mud and dry fly ash by using a mixing device, then sending the mixed material to a drying device, drying the mixed material in the drying device, and putting the dried material into a distributing device, wherein one part of the material in the distributing device is transported into a metering weighing device, the other part of the material is transported into the mixing device for further mixing and drying, and the material entering the mixing device is recycled with the input wet mud again, so that on the one hand, the fly ash in a standby bin and the fly ash in the metering bin are collected by using a first dust collector on the metering weighing device, the structure is simple, and the operation is convenient; in the second aspect, the continuity of the process is improved; and in the third aspect, the dried material is mixed with the wet mud again, so that the mixing effect is improved.
The application also provides a fly ash treatment method, which specifically comprises the following steps:
mixing and stirring the wet mud and the dry fly ash according to a preset proportion to form a material;
the materials are dried and dehydrated to remove the moisture of the mixed materials, and the dehydrated materials are subjected to air exhaust treatment to exhaust redundant air so that the materials sink;
and (3) distributing the materials after dehydration and air exhaust treatment, wherein one part of the materials are mixed and stirred with wet mud again for time circulation treatment, the other part of the materials are weighed and metered, and when the weight reaches a preset value, the materials are calcined.
A fly ash treatment method can realize continuous and high-efficiency treatment of fly ash.
Drawings
In order to more clearly illustrate the detailed description of the present application or the technical solutions in the prior art, the drawings needed to be used in the detailed description of the present application or the prior art description will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and other drawings can be obtained by those skilled in the art without creative efforts.
Fig. 1 is a schematic structural diagram of a metering and weighing device provided in an embodiment of the present application;
FIG. 2 is a schematic diagram of the overall structure of a fly ash treatment system according to an embodiment of the present application;
FIG. 3 is a schematic structural diagram of a mixing device in a fly ash treatment system according to an embodiment of the present application;
fig. 4 is a schematic structural diagram of a drying device in a fly ash treatment system according to an embodiment of the present application.
The attached drawings are as follows: 100-a mixing device; 101-a first storage bin; 102-coulter mixer; 103-a first screw conveyor; 104-first rotary feeder; 105-a second rotary feeder; 200-a drying device; 201-a dryer; 202-a second dust collector; 203-dust collecting fan; 300-a material distributing device; 301-finished product warehouse; 302-a first discharge conduit; 303-a second discharge conduit; 400-a metering and weighing device; 401-hoisting machine; 402-spare bins; 403-a metering bin; 404-a first conduit; 405-a first dust collector; 406-a second conduit; 407-third rotary blanking device; 408-a discharge valve; 409-a first control valve; 410-a second control valve.
Detailed Description
The technical solutions of the present application will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are only some embodiments of the present application, but not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present application.
In the description of the present application, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present application. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; the connection can be mechanical connection or electrical connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present application can be understood in a specific case by those of ordinary skill in the art.
Example one
Referring to fig. 1, fig. 1 is a schematic structural diagram of a metering and weighing device provided in an embodiment of the present application.
Referring to fig. 1, a metering and weighing device comprises a conveying mechanism, a standby bin 402, a metering bin 403 and a first dust collector 405; the conveying mechanism conveys materials into the metering bin 403 through a first pipeline 404, the conveying mechanism conveys the materials into the standby bin 402 through a second pipeline 406, the first dust collector 405 is respectively communicated with the standby bin 402 and the metering bin 403 through a third pipeline, and the first dust collector 405 is used for collecting the dust in the metering bin 403 and the dust in the standby bin 402.
Preferably, a first control valve 409 is arranged on the first pipeline, and the on-off of the material entering the metering bin 403 is controlled by the first control valve 409; a second control valve 410 is arranged on the second pipeline, and the second control valve 410 is utilized to control the on-off of the material entering the standby bin 402.
Preferably, the conveying mechanism in the present application uses a lifting machine 401 to convey the material to the standby bin 402 or the metering bin 403.
Utilize a first dust collector 405 can collect the raise dust that produces in reserve storehouse 402 and the measurement storehouse 403 simultaneously in this application, the structure is simpler, convenient operation.
Specifically, in the actual use process, preferably, the first pipeline 404 is communicated with the second pipeline 406, when the first pipeline 404 is communicated with the second pipeline 406, the other end of the second pipeline 406 is directly connected with the first dust collector 405, the third pipeline is omitted, the structure is simpler, and the first control valve 409 arranged on the first pipeline is close to the end of the metering bin 403, and the second control valve 410 arranged on the second pipeline is close to the end of the standby bin 402.
In the actual weighing process, firstly closing the second control valve 410 on the second pipeline 406, opening the first control valve 409 on the first pipeline 404, inputting the materials into the measuring bin 403 through the first pipeline 404 under the action of a hoist, weighing the materials by a measuring and weighing meter in the measuring bin 403, at the moment, closing the first control valve 409 on the first pipeline 404, opening the second control valve 410 on the second pipeline 406, at the moment, entering the material into the spare bin 402 through the second pipeline 406 under the action of the hoist 401, at the moment, closing the first control valve 409 on the first pipeline 404, and at the moment, collecting the raised dusts generated in the spare bin 402 by the first dust collector 405, namely, the first dust collector 405 can realize that the raised dusts generated in the spare bin 402 can be collected and the fly ashes generated in the measuring bin 403 can be collected, simple structure and convenient operation.
Specifically, this application measurement storehouse 403 is inside to be provided with the measurement weighing meter, and the measurement weighing meter is used for weighing the material, when reaching the preset value, can discharge from the bottom of measurement storehouse 403 promptly to enter into the calcining chamber, calcine.
Specifically, the material in this application is the material that forms after wet mud and dry fly ash mix, dry.
In this embodiment, in order to improve the working efficiency, in this application, the spare bin 402 is provided in plurality, the spare bin 402 is all communicated with the first dust collector 405 through the third pipeline, and the first dust collector 405 is used for collecting a plurality of dust generated in the spare bin 402.
That is, when the production efficiency needs to be accelerated, a plurality of spare bins 402 are provided, the plurality of spare bins 402 can be used for storing materials, and the plurality of spare bins 402 are all communicated with the first dust collector 405, so that the raised dust generated when the materials enter the plurality of spare bins 402 can be collected by the first dust collector 405.
In this embodiment, a third rotary feeder 407 is disposed between the standby bin 402 and the elevator 401, and the third rotary feeder 407 is used to transport the material in the standby bin 402 to the elevator 401 more quickly, thereby improving the working efficiency.
In this embodiment, in conjunction with fig. 1, to ensure that the discharge speed of the reserve tank 402 is controllable, a discharge valve 408 is provided at the discharge port of the reserve tank 402.
The discharge valve 408 is arranged at the discharge port of the standby bin 402, and the discharge speed of the standby bin 402 is controlled by the discharge valve 408.
Example two
Referring to fig. 2, fig. 3 and fig. 4, wherein fig. 2 is a schematic diagram of an overall structure of a fly ash treatment system according to an embodiment of the present application; FIG. 3 is a schematic structural diagram of a mixing device in a fly ash treatment system according to an embodiment of the present application; fig. 4 is a schematic structural diagram of a drying device in a fly ash treatment system according to an embodiment of the present application.
The application provides a fly ash treatment system, which comprises a material mixing device 100, a drying device 200, a material distributing device 300 and a metering and weighing device 400 which are communicated in sequence;
the output end of the mixing device 100 is communicated with the input end of the drying device 200, and the drying device 200 is used for drying materials and exhausting air; the output end of the drying device 200 is communicated with the input end of the material distributing device 300;
the material distribution device 300 includes: a finished product bin 301; two discharging pipelines, namely a first discharging pipeline 302 and a second discharging pipeline 303, are arranged at the bottom of the finished product bin 301; the first discharging pipeline 302 is communicated with the mixing device 100, and the second discharging pipeline 303 is communicated with the metering and weighing device 400.
This application is provided with compounding device 100, drying device 200, feed divider 300 with measurement weighing device 400, and specific working process is: firstly, mixing wet mud and dry fly ash by using a mixing device 100, then conveying the mixed material into a drying device 200, drying the mixed material in the drying device 200, and putting the dried material into a material distributing device 300, wherein a part of the material in the material distributing device 300 is conveyed into a metering and weighing device 400 for metering and weighing; the other part is transported to the mixing device 100 for further mixing and drying; the material entering the mixing device 100 is recycled with the input wet mud.
This application is provided with compounding device 100, drying device 200, feed divider 300 with measurement weighing device 400, and specific working process is: firstly, mixing wet mud and dry fly ash by using a mixing device 100, then conveying the materials formed after mixing into a drying device 200, drying the mixed materials in the drying device 200, and putting the dried materials into a material distributing device 300, wherein one part of the materials in the material distributing device 300 are conveyed into a metering weighing device 400, and the other part of the materials are conveyed into the mixing device 100 for further mixing and drying; the materials entering the metering and weighing device 400 are metered and weighed, redundant materials are recycled by the aid of the first dust collector 405 and conveyed to the standby bin 402 for standby, and meanwhile the materials in the standby bin 402 can be lifted to the metering and weighing bin again through the lifting machine 401 and are circulated repeatedly, so that the continuity of the whole system is improved, and the working efficiency is improved.
In an embodiment of the application, referring to fig. 1 and fig. 3, in order to ensure that the drying device 200 can normally dry the materials without affecting the drying quality of the materials and the service life of the drying device 200, the mixing device 100 includes a first storage bin 101 and a coulter mixer 102; the first storage bin 101 is used for storing wet mud; the coulter mixer 102 is used to store dry fly ash; the first storage bin 101 is connected with the coulter mixer 102 through a first screw conveyor 103, the wet mud in the first storage bin 101 is conveyed to the coulter mixer 102 storing the dry fly ash through the first screw conveyor 103, and the wet mud is mixed with the dry fly ash conveyed by the first discharge pipeline 302 in the coulter mixer 102 to form a material.
Specifically, the first screw conveyor 103 is preferably configured as a shaftless screw conveyor, which is suitable for viscous and easily-wound materials and has the advantages of small overall section size, good sealing performance, stable and reliable operation, capability of loading and unloading materials at multiple points in the middle, safe operation, simple and convenient maintenance and the like.
Specifically, in the present application, the shape and size of the first storage bin 101 and the storage bin are not particularly limited, and may be determined according to actual situations.
In the actual use process, the drying device 200 (the drying device 200 includes the dryer 201 and the second dust collector 202) has a requirement on moisture, if the moisture in the material is too high (i.e. the moisture of the wet mud), when the wet mud enters the drying device 200, the wet mud is easy to stick on the side wall of the dryer 201, on one hand, the drying effect on the wet mud is affected, on the other hand, the side wall of the dryer 201 sticks and sticks the material, so that the dryer 201 cannot work normally, and the service life of the dryer 201 is affected, whereas the application is provided with two storage bins, namely a first storage bin 101 and a coulter mixer 102, the first storage bin 101 is used for storing the wet mud, then the first screw conveyor 103 is used for conveying the wet mud into the coulter mixer 102 containing dry fly ash, the wet mud and the dry fly ash are mixed in the coulter mixer 102, so as to adjust the overall humidity of the material, and then the wet mud is conveyed into the drying device 200, and (5) drying.
To sum up, this application utilizes first storage storehouse 101 to store wet mud, and dry fly ash and wet mud realize mixing in the coulter mixes machine 102, and the whole moisture of the material after mixing falls, then lets in drying device 200, has both guaranteed drying device 200 to the stoving effect of fly ash, has guaranteed drying device 200's life again.
In an embodiment of the application, with reference to fig. 2 and 4, in order to ensure that the collected materials meet both the dryness requirement and the precision requirement, the drying apparatus 200 includes a dryer 201 and a second dust collector 202;
the coulter mixer 102 is connected with one end of the dryer 201, and the other end of the dryer 201 is connected with the second dust collector 202; the dryer 201 is used for dehydrating materials, and the second dust collector 202 is used for collecting dust of the dehydrated materials in the dryer 201;
specifically, the second dust collector 202 is preferably a bag type dust collector, the dust collection fan 203 drives the dust-laden gas to enter a dust chamber inside the bag type dust collector, air passes through the filter bag and becomes clean, the air is discharged by the dust collection fan 203, dust is prevented from being adsorbed on the outer surface of the filter bag, and then high-pressure gas is blown into the filter bag by a pulse valve to shake off the dust, and the dust enters the material distribution device 300.
The vibrating assembly of the present application is understood by those skilled in the art and will not be described herein in any greater detail as long as the vibrating assembly is capable of vibrating and screening the contents of the filter bag.
Further, in the material after the stoving entered into second dust collector 202, was provided with the filter bag in second dust collector inside, and the material after the stoving directly entered into in the filter bag promptly, because the material of this application is more special material, if can fly away if there is the air, utilizes vibration subassembly to shake the rapping to the filter bag promptly in this application, is that the material sinks to the bottom of crossing the filter bag, and the air on upper portion siphons away through dust collection fan 203.
The drying device 200 comprises a dryer 201 and a second dust collector 202, materials from a colter mixer 102 are dried and dehydrated by the dryer 201, dryness of the materials can meet the requirements, the materials are subjected to air exhaust treatment by the second dust collector 202, air in the second dust collector 202 is drawn by a dust collection fan 203, and the precision of the materials is improved.
In an embodiment of the application, in conjunction with fig. 2 and 3, to ensure that the speed of the wet mud is controllable when it is transferred from the first storage bin 101 to the coulter mixer 102, the mixing device 100 further comprises a first rotary feeder 104, the first rotary feeder 104 being arranged on a pipe connecting the first storage bin 101 and the first screw conveyor 103; the first rotary feeder 104 is used for regulating and controlling the feeding speed of the wet mud in the first storage bin 101 to the coulter mixer 102.
Utilize first gyration glassware 104 down in this application, first gyration glassware 104 is preferred for the star tripper to the speed of unloading in the control wet mud is followed first storage storehouse 101, convenient regulation and control, and is more convenient and the practicality is strong.
In an embodiment of the application, referring to fig. 2 and 3, in order to ensure that the speed of the material in the coulter mixer 102 being lowered to the dryer 201 is controllable, the mixing device 100 further comprises a second rotary feeder 105, wherein the second rotary feeder 105 is arranged on a pipeline connecting the coulter mixer 102 and the dryer 201; the second rotary feeder 105 is used for conveying the materials in the coulter mixer 102 to the dryer 201.
Utilize second gyration glassware 105 in this application, the preferred star tripper that is preferred of second gyration glassware 105 to the speed of control material from the coulter mixer 102 to drying-machine 201 unloading, convenient regulation and control, it is more convenient and the practicality is strong.
In one embodiment of the application, in conjunction with fig. 2, a third rotary downer 407 is provided between the spare bin 402 and the elevator 401 in order to improve the working efficiency of the overall process.
The application also provides a fly ash treatment method, which specifically comprises the following steps:
mixing and stirring the wet mud and the dry fly ash according to a preset proportion to form a material;
the materials are dried and dehydrated to remove the moisture of the mixed materials, and the dehydrated materials are subjected to air exhaust treatment to exhaust redundant air so that the materials sink;
and (3) distributing the materials after dehydration and air exhaust treatment, wherein one part of the materials are mixed and stirred with wet mud again for time circulation treatment, the other part of the materials are weighed and metered, and when the weight reaches a preset value, the materials are calcined.
A fly ash treatment method can realize continuous and high-efficiency treatment of fly ash.
Finally, it should be noted that: the above embodiments are only used for illustrating the technical solutions of the present application, and not for limiting the same; although the present application has been described in detail with reference to the foregoing embodiments, it should be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present application.
Claims (10)
1. A metering and weighing device is characterized by comprising a conveying mechanism, a standby bin, a metering bin and a first dust collector;
conveying mechanism passes through first pipeline with the material carry to in the measurement storehouse, conveying mechanism passes through the second pipeline with the material carry to reserve storehouse, first dust collector pass through the third pipeline respectively with reserve storehouse with the measurement storehouse intercommunication, first dust collector is used for collecting the flying dust in the measurement storehouse with raise dust in the reserve storehouse.
2. The metering and weighing device of claim 1, wherein a plurality of the spare bins are provided, and are communicated with the first dust collector through the third pipeline, and the first dust collector is used for collecting the dust generated in the spare bins.
3. The metering and weighing apparatus of claim 1 wherein a third rotary feeder is disposed between the slack bin and the conveyor mechanism.
4. The metering and weighing device of claim 1 wherein a discharge valve is provided at the discharge port of the reserve bin.
5. A fly ash treatment system, characterized by comprising a metering and weighing device, a mixing device, a drying device and a material dividing device according to any one of claims 1 to 4;
the output end of the mixing device is communicated with the input end of the drying device, and the drying device is used for drying and collecting materials; the output end of the drying device is communicated with the input end of the material distributing device;
the feed divider includes: a finished product warehouse; the bottom of the finished product bin is provided with two discharge pipelines which are respectively a first discharge pipeline and a second discharge pipeline; the first discharging pipeline is communicated with the material mixing device, and the second discharging pipeline is connected with the conveying mechanism.
6. A fly ash treatment system according to claim 5, wherein the mixing device comprises a first storage silo and a coulter mixer;
the first storage bin is used for storing wet mud; first storage bin with connect through first auger delivery ware between the coulter mixes the machine, wet mud passes through first auger delivery ware carries extremely in the coulter mixes the machine, just wet mud with follow the dry fly ash that first ejection of compact pipeline carried is in mix in the coulter mixes the formation material.
7. A fly ash treatment system according to claim 6, wherein the drying means comprises a dryer and a second dust collector;
the coulter mixer is communicated with the input end of the dryer, and the output end of the dryer is communicated with the second dust collector; the dryer is used for dehydrating the materials, and the second dust collector is used for collecting the dust of the dehydrated materials in the dryer.
8. A fly ash treatment system according to claim 7, wherein the mixing device further comprises a first rotary feeder disposed on a pipe through which the first storage bin communicates with the first screw conveyor; the first rotary feeder is used for regulating and controlling the feeding speed of the wet mud in the first storage bin to the coulter mixer.
9. A fly ash treatment system according to claim 8, wherein the mixing device further comprises a second rotary feeder disposed on a pipe connecting the coulter mixer and the dryer; and the second rotary feeder is used for conveying the materials in the colter mixer into the dryer.
10. A fly ash treatment method is characterized by comprising the following steps:
mixing and stirring the wet mud and the dry fly ash to form a material;
drying and dehydrating the materials, and collecting the dehydrated materials;
and (3) distributing the materials after dehydration and air exhaust treatment, wherein one part of the materials are mixed and stirred with wet mud again, the other part of the materials are weighed and metered, and when the weight reaches a preset value, calcination is carried out.
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Application publication date: 20191220 |