CN212216243U - Aggregate manufacturing system, grading device and compounding device - Google Patents
Aggregate manufacturing system, grading device and compounding device Download PDFInfo
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- CN212216243U CN212216243U CN201922308778.XU CN201922308778U CN212216243U CN 212216243 U CN212216243 U CN 212216243U CN 201922308778 U CN201922308778 U CN 201922308778U CN 212216243 U CN212216243 U CN 212216243U
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Abstract
The utility model belongs to the technical field of building engineering, especially, relate to an aggregate preparation system, grading plant and compounding device. The aggregate manufacturing system comprises a crushing device, wherein the crushing device is used for crushing raw materials and outputting crushed materials; the grading device is used for grading the crushed materials so as to divide the crushed materials into a plurality of grades according to particle sizes and/or gravity; and a compounding device for mixing different grades of crushed material and additives to make an aggregate. The embodiment of the utility model provides an aggregate manufacturing system can obtain the high quality aggregate that accords with the construction requirement through carrying out breakage, grading and compounding in proportion to the raw materials, and wherein, the raw materials can use building rubbish, can realize building rubbish's recycle, has environmental protection and energy saving's characteristics.
Description
Technical Field
The utility model belongs to the technical field of building engineering, especially, relate to an aggregate preparation system, grading plant and compounding device.
Background
Aggregate, also known as "aggregate", is a granular material that serves as a framework and a filler in concrete and mortar. The aggregate can be divided into fine aggregate and coarse aggregate, the particle diameter of the fine aggregate is between 0.16 and 5mm, and the particle diameter of the coarse aggregate is more than 5 mm. The existing fine aggregate generally adopts natural sand, such as river sand, sea sand, valley sand and the like, and when the natural sand is lacked, artificial sand ground by hard rocks can be used; crushed stones and pebbles are commonly used as the coarse aggregate.
The construction waste refers to residue, waste soil, waste material, sludge and other wastes generated in the process of constructing, laying, dismantling and repairing various buildings, structures, pipe networks and the like by construction, construction units or individuals, and is usually treated in a landfill mode, so that the occupied area is large, and the construction waste cannot be effectively utilized.
The prior art provides methods for preparing aggregates by using construction wastes, but the methods usually only roughly crush the construction wastes and then put into use, and the obtained aggregates have poor quality and cannot meet the actual use requirements.
SUMMERY OF THE UTILITY MODEL
An object of the embodiment of the utility model is to provide an aggregate manufacturing system aims at solving prior art and provides the method of utilizing building rubbish preparation aggregate, but these methods only carry out rough broken back to building rubbish and come into use promptly usually, and the aggregate quality that obtains is poor, can't satisfy actual use needs.
The embodiment of the utility model provides a realize like this, an aggregate manufacturing system, aggregate manufacturing system includes:
the crushing device is used for crushing the raw material and outputting a crushed material;
the grading device is used for grading the crushed materials so as to divide the crushed materials into a plurality of grades according to particle sizes and/or gravity; and
a compounding device for mixing different grades of crushed material and additives to make an aggregate.
Another object of the embodiments of the present invention is to provide a classifying device, which includes a winnowing device and a screening device;
the air separation device is used for separating coarse materials from powder materials in the crushed materials; the air separation device comprises an air separation chamber and a material collecting hopper, wherein the material collecting hopper is communicated with the air separation chamber and is used for storing air-separated powder;
the air separation chamber is provided with an air inlet, a feed inlet, a coarse material outlet and a powder outlet; the air inlet is arranged on one side of the top of the air separation chamber and is connected with the outlet of the fan through a pipeline; the feed inlet is arranged in the center of the top of the air separation chamber, is opposite to the coarse material outlet and is used for adding crushed materials into the air separation chamber; the coarse material outlet is provided with a valve, is opposite to the coarse material conveying belt and is used for outputting coarse materials; the powder outlet is arranged at the top of the air separation chamber, is connected with the aggregate bin through a pipeline and is used for conveying the air-separated powder to the aggregate bin;
the screening device is used for carrying out classification treatment on the coarse materials and comprises a hoisting machine and a screening chamber; the hoister is used for hoisting the coarse materials to be conveyed into the screening chamber; the screening chamber is used for grading the coarse material.
Another object of an embodiment of the present invention is to provide a compounding device, which comprises a feeding device and a blending bin;
the feeding device is used for conveying crushed materials to be mixed to the mixing bin, and comprises a coarse material feeding device and a powder feeding device; an outlet of the coarse material feeding device is connected with the top of the mixing bin and is used for feeding coarse materials into the mixing bin; the powder feeding device is provided with four discharge ports, the discharge ports are communicated with the upper side wall of the mixing bin, the four discharge ports are arranged at equal angles along the circumferential direction of the mixing bin, and each of the four discharge ports is provided with a second fan which is used for blowing powder in a pipeline of the powder feeding device into the mixing bin and forming annular cyclone in the mixing bin;
the side wall of the lower part of the mixing material bin is communicated with an outlet of a first fan, the first fan is used for supplying air into the mixing material bin to mix materials, an opening is formed in the bottom of the mixing material bin, and the opening is opposite to the conveying belt.
The embodiment of the utility model provides a pair of aggregate manufacturing system carries out the broken processing back through breaker, obtains the broken material that the particle diameter meets the requirements, carries out stage treatment to broken material through the grading plant, can obtain the broken material in grades that has different performance, mixes the broken material after will grading according to certain proportion through compounding the device, can obtain the aggregate that has different side weight performance, the utility model provides an aggregate quality of system's preparation is high, can satisfy actual construction needs.
Drawings
Fig. 1 is a block diagram of a aggregate manufacturing system according to an embodiment of the present invention;
fig. 2 is a structural diagram of an air separation device provided in the embodiment of the present invention;
fig. 3 is a structural diagram of a first partition plate in the air separation device according to the embodiment of the present invention;
fig. 4 is a structural diagram of a second partition board in the winnowing device provided by the embodiment of the invention;
fig. 5 is a structural diagram of a screening device according to an embodiment of the present invention;
FIG. 6 is a front view of a compounding device provided in an embodiment of the present invention;
fig. 7 is a top view of a compounding device provided by an embodiment of the present invention.
In the drawings: 1. a crushing device; 2. a grading device; 21. a winnowing device; 211. a collection hopper; 212. an air inlet cavity; 213. an air separation cavity; 214. a powder chamber; 215. a first separator; 216. a swing plate; 217. a second separator; 22. a screening device; 221. a hoist; 222. screening a screen; 223. a hopper; 3. a compounding device; 31. A mixing bin; 32. a first fan; 33. a coarse material feeding device; 34. a powder feeding device; 35. and a second fan.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following detailed description is provided for the specific embodiments of the present invention.
As shown in fig. 1, for the embodiment of the present invention provides an overall schematic diagram of an aggregate manufacturing system, including:
the crushing device 1 is used for crushing raw materials and outputting crushed materials;
a grading device 2, wherein the grading device 2 is used for grading the crushed materials so as to divide the crushed materials into a plurality of grades according to particle sizes and/or gravity; and
a compounding device 3, said compounding device 3 being adapted to mix different grades of crushed material and additives to make an aggregate.
In the embodiment of the present invention, the crushing device 1 is used for crushing the raw material into the crushed material with the particle size meeting the requirement. In the embodiment of the utility model, the raw material is preferably construction waste; the construction waste can be crushed by the crushing device 1, and in particular, the crushing device 1 can be an existing crushing device, such as a jaw crusher and the like. Because the breakage obtains broken material only the utility model discloses the first link of system, it is lower to the requirement of the broken material that obtains, the utility model discloses do not carry out further improvement to breaker 1.
In the embodiment of the present invention, the classifying device 2 is used for classifying the crushed material to obtain the crushed materials with different particle sizes or weights. It should be understood that, in the embodiment of the present invention, the crushed materials are classified according to the different particle sizes, mainly because the physical properties of the materials with different particle sizes are different greatly, for example, when the material with large particle size is used as aggregate, the structural strength is better, but the binding capacity with other materials is poorer, and the material with small particle size is opposite. Therefore, the classification of the crushed material by particle size is actually a classification by physical properties thereof. And according to gravity grading on the one hand, the influence of particle size is considered, on the other hand, certain impurity removal function can be realized, for example, for wood impurities with large proportion in the construction waste, light wood impurities can be removed through gravity grading after crushing, the purity of the crushed material is improved, and the quality of the aggregate is improved.
In embodiments of the present invention, where the compounding device is used to compound crushed material of different particle sizes in proportion, it is to be understood that various additives may be added as needed to impart more properties to the aggregate when compounding. By the mixing mode, the proportion of the crushed materials with different particle diameters can be controlled, so that the comprehensive performance of the aggregate is adjusted, the aggregate is suitable for different occasions, the quality of the crushed materials is improved,
the embodiment of the utility model provides an aggregate manufacturing system is through carrying out breakage, grading and compounding to building rubbish, can acquire the aggregate of the different side load performance of utensil, has realized building rubbish recycle, has improved the quality of aggregate again for the aggregate through the preparation of building rubbish production can satisfy actual production's needs.
As shown in fig. 2 and 5, as a preferred embodiment of the present invention, the grading device 2 includes an air separation device 21 and a screening device 22;
the air separation device 21 is used for separating coarse materials from powder materials in the crushed materials;
the screening device 22 is used for classifying the coarse materials.
The embodiment of the utility model provides an in, so-called selection by winnowing utilizes the effect of wind to realize the screening promptly, has actually utilized the quality difference of broken material to realize, can select comparatively tiny broken material, simultaneously, to the wooden impurity among the building rubbish, because its quality is less, also can be screened out through the mode of selection by winnowing, realizes the separation of coarse and fine material.
In the embodiment of the present invention, the screening device 22 is used for classifying the crushed materials according to their particle sizes; since the physical properties of the crushed materials having different particle diameters are greatly different when used as aggregates, it is necessary to classify the crushed materials according to the particle diameters.
The embodiment of the utility model provides an aggregate manufacturing system realizes hierarchical through the mode that carries out selection by winnowing, screening to broken material, both can realize the broken grading of different particle sizes, can also get rid of the light impurity in the broken material simultaneously to improve the impurity content of aggregate, improve the quality of aggregate.
As shown in fig. 2, as another preferred embodiment of the present invention, the air separation device 21 includes an air separation chamber and a hopper 211, wherein the hopper 211 is communicated with the air separation chamber and is used for storing the powder separated by the air;
the air separation chamber is provided with an air inlet, a feed inlet, a coarse material outlet and a powder outlet;
the air inlet is arranged on one side of the top of the air separation chamber and is connected with the outlet of the fan through a pipeline;
the feed inlet is arranged in the center of the top of the air separation chamber, is opposite to the coarse material outlet and is used for adding crushed materials into the air separation chamber;
the coarse material outlet is provided with a valve, is opposite to the coarse material conveying belt and is used for outputting coarse materials;
the powder outlet is arranged at the top of the air separation chamber, is connected with the hopper 211 through a pipeline and is used for conveying the air-separated powder to the hopper 211.
The embodiment of the utility model provides an in, the air separator passes through the air intake and is connected with the fan, and is practical the embodiment of the utility model provides an in, the fan can also use air supply system to replace, utilizes compressed air to realize that the selection by winnowing can realize the same effect.
The embodiment of the utility model provides an in, during the selection by winnowing room is added through the feed inlet to broken material, optionally, the mode that the selection by winnowing room was added to broken material can be through artifical the joining, also can utilize feeding device, for example rotatory lifting machine 221 etc. realizes reinforced, the embodiment of the utility model provides a do not specifically limit to this.
In the embodiment of the utility model, the coarse material outlet is provided with a valve which can be arranged normally or normally; in the normally open setting, the coarse material can be discharged immediately onto the conveyor belt, and in the normally closed setting, the coarse material can be discharged together only when it has accumulated to a certain amount. The embodiment of the utility model provides an in, the coarse fodder export is just to the transmission band, carries next processing link with the coarse fodder through the transmission band, of course, also can adopt other transportation modes, the embodiment of the utility model provides a do not do specifically to this and prescribe a limit to.
In the embodiment of the utility model, the powder export links to each other with hopper 211, keeps in the powder through hopper 211. The embodiment of the present invention provides a winnowing device 21 can be provided with a plurality of sets, which are connected in series, for example, two sets can be provided, the first set is used for removing wood impurities in the crushed material by means of winnowing, the second set is used for separating powder, wherein the coarse material outlet of the first set of winnowing device 21 is connected with the feeding port of the second set of winnowing device 21. Of course, the first set of air separation device 21 may be used for screening wood impurities and powder, the second set of air separation device 21 may be used for separating the powder from the wood impurities, and at this time, the powder outlet of the first set of air separation device 21 is connected to the material inlet of the second set of air separation device 21. The two sets of air separation devices 21 are basically identical in structure, and differ only in the size of the wind power and the size of the mesh openings used for screening.
The embodiment of the utility model provides an aggregate manufacturing system can realize the separation of powder and coarse fodder through wind selector 21 to the separation of light impurities such as realization timber that can step forward through many sets of wind selector 21's series connection is favorable to reducing the impurity content of aggregate, thereby improves the quality of aggregate.
As shown in fig. 2 to 4, as another preferred embodiment of the present invention, the air separation chamber is provided with an air inlet cavity 212, an air separation cavity 213 and a powder cavity 214;
the air inlet cavity 212 is connected with the air inlet, the air inlet cavity 212 is separated from the air separation cavity 213 through a first partition plate 215, an air outlet groove is formed in the first partition plate 215, and an opening of the air outlet groove is deviated to the coarse material outlet;
the winnowing cavity 213 is internally provided with an oscillating plate 216, when the crushed materials are accumulated on the oscillating plate 216 to a preset weight, the oscillating plate 216 can oscillate along an eccentrically arranged rotating shaft so that the crushed materials enter the coarse material outlet;
the powder cavity 214 and the winnowing cavity 213 are separated by a second partition board 217, a powder outlet groove is formed in the second partition board 217, and an opening of the powder outlet groove is deviated to the feeding hole.
The embodiment of the present invention provides a first partition 215 and a second partition 217 similar to the louver, and the direction of the air outlet slot is deviated to a certain direction. For the first partition plate 215, the included angle between the air outlet direction and the falling direction of the crushed materials in the winnowing chamber is less than 90 degrees, and for the second partition plate 217, the included angle between the air outlet direction and the falling direction of the crushed materials in the winnowing chamber is more than 90 degrees. Through the setting of first baffle 215, can prevent that broken material from entering into air inlet chamber 212, be favorable to the powder that is selected simultaneously to enter into powder chamber 214, and the flow direction of wind in the air selection chamber is opposite with the whereabouts direction of broken material, can improve the relative velocity of wind and broken material to improve the screening effect. Fig. 3 and 4 respectively show the structure schematic diagrams of the air outlet side of the first partition plate 215 and the air inlet side of the second partition plate 217, and it should be understood that fig. 3 and 4 only show the structure of the portion of the partition plate where the air outlet slots are provided, and do not mean that the air outlet slots are provided on the whole partition plate, for example, the portion of the first partition plate 215 near and below the swing plate 216 in fig. 2 is not provided with the air outlet slots, so as to prevent the broken materials accumulated on the swing plate 216 from entering the air inlet cavity 212 through the air outlet slots, which is an optional arrangement.
In the embodiment of the present invention, the winnowing chamber 213 is further provided with a swing plate 216, a rotating shaft is provided at a position deviating from the center of gravity of the swing plate 216, the swing plate 216 can rotate around the rotating shaft, a counterweight is provided at a side of the lower side of the swing plate 216 close to the rotating shaft, when no crushed material acts, the swing plate 216 collides with the inner wall of the winnowing chamber 213, a fixed inclination angle is maintained, and the fallen crushed material stays above the swing plate 216 and at the lower end of the inclined plane; when the crushed material on the swing plate 216 is accumulated to a certain amount, the swing plate 216 is turned, and the crushed material enters the lower side of the air separation cavity 213 and is discharged through the valve. With this arrangement, the falling crushed material can still react with the wind, and the wind can blow the powder on the surface of the falling crushed material into the powder chamber 214, so that the screening is more thorough.
The embodiment of the utility model provides an aggregate manufacturing system can realize the separation of coarse fodder and powder through the air separation chamber to can also get rid of partial light impurity, thereby improve the purity of broken material, and then improve the quality of aggregate.
As shown in fig. 5, as another preferred embodiment of the present invention, the sieving device 22 includes a lifter 221 and a sieving chamber;
the elevator 221 is used for lifting the coarse material to be conveyed into the screening chamber;
the screening chamber is used for grading the coarse material.
In the embodiment of the present invention, the lifting machine 221 can use the rotary lifting machine 221, and can also use the conveyer belt, the vibration feeding machine, etc. arranged in an inclined manner to realize the lifting of the crushed material to the high place. This is the optional concrete implementation way, and the embodiment of the present invention is not specifically limited to this.
In the embodiment of the present invention, the sieving device 22 further includes a sieving chamber, the sieving chamber in this embodiment is used for further classifying the coarse material, and the classification mode is mainly realized by using different particle sizes of the coarse material.
The embodiment of the utility model provides an aggregate preparation system carries out further screening to the coarse fodder through screening plant 22, can divide into a plurality of grades with the coarse fodder, prepares for subsequent compounding.
As shown in fig. 5, as another preferred embodiment of the present invention, a screen 222 is obliquely disposed in the screening chamber, the screen 222 is divided into a plurality of sections, and the aperture of each section increases in sequence along the oblique direction; a plurality of hoppers 223 are arranged at the bottom of the screen 222 corresponding to each section of the screen 222.
The embodiment of the utility model provides an in, through setting up screen mesh 222 slope, can utilize the gravity of broken material to make broken material fall naturally, at the in-process that falls, the broken material that the particle size is big is located the upper strata, and the broken material that the particle size is little is located the lower floor. Since the aperture of the screen 222 increases in the oblique direction, the crushed material having a small particle size is gradually screened out through the screen 222 during the falling process, and falls into a hopper 223 provided below the screen 222. In the embodiment of the present invention, the number of the hopper 223 is the same as the number of the segments of the screen 222, the bottom of the hopper 223 is provided with an opening, the opening is provided with a valve, the valve is opened, and the crushed material can be discharged from the collecting device or the transporting device. For example, a conveyor belt is arranged at the bottom, and the crushed materials can be directly conveyed to the next link.
As shown in fig. 6 and 7, as another preferred embodiment of the present invention, the compounding device 3 includes a feeding device and a mixing bin 31;
the feeding device is used for conveying the crushed materials to be mixed to the mixing bin 31;
the side wall of the lower part of the mixing material bin 31 is communicated with an outlet of a first fan 32, the fan is used for supplying air into the mixing material bin 31 to mix materials, an opening is formed in the bottom of the mixing material bin 31, and the opening is opposite to a conveying belt.
In the embodiment of the utility model provides an in, material feeding unit is arranged in inputting the broken material after classifying to blending bunker 31, can realize the mixture of multiple broken material proportional through adjusting conveyor's rotational speed, needs understand, and multiple broken material here is the broken material that obtains after grading through grading plant 2 multiple particle diameter or gravity are different, of course, can also add all kinds of required additives and other auxiliary materials compounding the in-process, to this, the utility model discloses the embodiment does not do specifically and limits.
The embodiment of the utility model provides an in, the lower part of blending bunker 31 and the air outlet intercommunication of first fan 32 can lead to the area through first fan 32 and press the air in to blending bunker 31 to be favorable to the mixture of broken material in the blending bunker 31. It should be understood that the wind from the first fan 32 mainly acts on the crushed materials with lighter weight to mix them with the crushed materials with larger diameter more uniformly during the falling process, and this mixing method mainly utilizes the falling process of the crushed materials to realize mixing during the falling process. Compared with the mode of stirring to realize mixing, the mode has the advantages that the crushed materials with smaller grain diameter, such as powder, can directly fall into the bottom layer of the coarse material under the stirring action during stirring, and the more violent the stirring, the more obvious the condition is; in addition, the stirring system does not allow the additives added to the aggregate to be well mixed with the crushed materials, and the liquid or powdery additives can be dispersed well by the air flow, thereby improving the mixing effect.
The embodiment of the utility model provides an aggregate preparation system can make powder or auxiliary agent etc. mix better through leading to the area pressure air in to blending bunker 31, and this kind of mixed mode is littleer for the stirring energy consumption, and the mixture of being applied to the aggregate can combine better with the characteristic that does not have meat itself.
As shown in fig. 6 and 7, as another preferred embodiment of the present invention, the feeding device includes a coarse material feeding device 33 and a powder material feeding device 34;
an outlet of the coarse material feeding device 33 is connected with the top of the mixing bin 31 and is used for feeding coarse materials into the mixing bin 31;
powder material feeding unit 34 has four discharge gates, the discharge gate with the upper portion lateral wall intercommunication of blending bunker 31, and four discharge gates are followed the angular setting such as the circumference of blending bunker 31 is four the discharge gate all is provided with second fan 35 for blow in the powder material feeding unit 34 pipeline in the blending bunker 31, and form annular whirlwind in the blending bunker 31.
The embodiment of the utility model provides an in, coarse fodder material feeding unit 33 mainly promotes the coarse fodder, promotes to go into in the blending bunker 31 after 31 tops of blending bunker, and the promotion of coarse fodder specifically can use spiral feeding machine, vibration material loading machine etc. the embodiment of the utility model provides a do not do specifically to this and restrict. In the embodiment of the present invention, the coarse material is mainly fed into the mixing bin 31 by its own gravity. It is to be understood that coarse and fine are relative concepts, and that the particle sizes of coarse and fine materials may be relatively close.
The embodiment of the utility model provides an in, powder material feeding unit 34 promotes the powder, pours into the powder into the blending bunker 31 through four discharge gates, and four discharge gates department is provided with second fan 35, and the wind that utilizes second fan 35 to produce blows in the blending bunker 31 with the powder. In the embodiment of the present invention, the wind is arranged at equal angles along the circumferential direction of the mixing bin 31, and the wind outlet direction of each second fan 35 is tangent to the edge of the mixing bin 31, so that the wind generated by the second fans 35 can form annular whirlwind in the mixing bin 31, which is beneficial to improving the mixing effect of the aggregate; further, the height of the second fan 35 increases progressively along the circumferential direction of the mixing bin 31 to form a spiral arrangement, so that the annular wind in the mixing bin 31 can form a component force in the axial direction, and the powder or the auxiliary agent and the like can move along the axial direction of the mixing bin 31 while performing spiral movement, thereby improving the mixing effect. It will be appreciated that powder feed 34, similar to coarse feed 33, can be proportioned by adjusting the rate of delivery.
The embodiment of the utility model provides an aggregate preparation system can prepare the mixture with broken material in proportion through compounding device 3 to the aggregate is made. In this way, the performance of the prepared aggregate in certain aspect can be improved, so that the prepared aggregate is suitable for different construction occasions.
As shown in fig. 2-5, the embodiment of the present invention further provides a grading device 2, wherein the grading device 2 includes an air separation device 21 and a screening device 22;
the winnowing device 21 is used for separating coarse materials from powder materials in the crushed materials; the winnowing device 21 comprises a winnowing chamber and a hopper 211, wherein the hopper 211 is communicated with the winnowing chamber and is used for storing winnowed powder;
the air separation chamber is provided with an air inlet, a feed inlet, a coarse material outlet and a powder outlet; the air inlet is arranged on one side of the top of the air separation chamber and is connected with the outlet of the fan through a pipeline; the feed inlet is arranged in the center of the top of the air separation chamber, is opposite to the coarse material outlet and is used for adding crushed materials into the air separation chamber; the coarse material outlet is provided with a valve, is opposite to the coarse material conveying belt and is used for outputting coarse materials; the powder outlet is arranged at the top of the air separation chamber, is connected with the hopper 211 through a pipeline and is used for conveying the air-separated powder to the hopper 211;
the screening device 22 is used for grading the coarse materials, and the screening device 22 comprises a hoisting machine 221 and a screening chamber; the elevator 221 is used for lifting the coarse material to be conveyed into the screening chamber; the screening chamber is used for grading the coarse material.
The embodiment of the utility model provides a grading plant 2 includes but is not limited to the combination of the grading plant 2 that a plurality of above-mentioned embodiments provided wantonly, and the explanation of each subassembly of grading plant 2 can refer to foretell relevant embodiment, the embodiment of the utility model discloses no longer describe to this again.
As shown in fig. 6 to 7, the embodiment of the present invention further provides a compounding device 3, wherein the compounding device 3 includes a feeding device and a mixing bin 31;
the feeding device is used for conveying crushed materials to be mixed to the mixing bin 31, and comprises a coarse material feeding device 33 and a powder material feeding device 34; an outlet of the coarse material feeding device 33 is connected with the top of the mixing bin 31 and is used for feeding coarse materials into the mixing bin 31; the powder feeding device 34 is provided with four discharge ports, the discharge ports are communicated with the upper side wall of the mixing bin 31, the four discharge ports are arranged at equal angles along the circumferential direction of the mixing bin 31, and the four discharge ports are provided with second fans 35 for blowing powder in the pipeline of the powder feeding device 34 into the mixing bin 31 and forming annular whirlwind in the mixing bin 31;
the utility model discloses a mixing material mixing device, including blending bunker 31, first fan 32 is used for to the export intercommunication with first fan 32 on the lateral wall of blending bunker 31 lower part, first fan 32 is used for to supply air in the blending bunker 31 in order to realize the mixture of material, the bottom of blending bunker 31 is provided with the opening, and the opening is just to the conveyer belt.
The embodiment of the present invention provides a compounding device 3 including but not limited to the combination of the compounding device 3 provided by any of the above embodiments, and the explanation of each component of the compounding device 3 can refer to the related embodiments described above, and the embodiment of the present invention is not repeated herein.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. An aggregate manufacturing system, comprising:
the crushing device is used for crushing the raw material and outputting a crushed material;
the grading device is used for grading the crushed materials so as to divide the crushed materials into a plurality of grades according to particle sizes and/or gravity; and
a compounding device for mixing different grades of crushed material and additives to make an aggregate.
2. The aggregate making system of claim 1, wherein the grading device comprises an air classification device and a screening device;
the air separation device is used for separating coarse materials from powder materials in the crushed materials;
the screening device is used for carrying out classification treatment on the coarse materials.
3. The aggregate manufacturing system of claim 2, wherein the air separation device comprises an air separation chamber and a collection hopper, the collection hopper is communicated with the air separation chamber and is used for storing the air-separated powder;
the air separation chamber is provided with an air inlet, a feed inlet, a coarse material outlet and a powder outlet;
the air inlet is arranged on one side of the top of the air separation chamber and is connected with the outlet of the fan through a pipeline;
the feed inlet is arranged in the center of the top of the air separation chamber, is opposite to the coarse material outlet and is used for adding crushed materials into the air separation chamber;
the coarse material outlet is provided with a valve, is opposite to the coarse material conveying belt and is used for outputting coarse materials;
the powder outlet is arranged at the top of the air separation chamber, is connected with the aggregate bin through a pipeline and is used for conveying the powder separated by air to the aggregate bin.
4. The aggregate manufacturing system of claim 3, wherein the air separation chamber is provided with an air inlet cavity, an air separation cavity and a powder cavity;
the air inlet cavity is connected with the air inlet, the air inlet cavity and the air separation cavity are separated by a first partition plate, an air outlet groove is formed in the first partition plate, and an opening of the air outlet groove is deviated to the coarse material outlet;
the winnowing cavity is internally provided with a swinging plate, and when the crushed materials are accumulated to a preset weight on the swinging plate, the swinging plate can swing along an eccentrically arranged rotating shaft so that the crushed materials enter the coarse material outlet;
the powder cavity and the winnowing cavity are separated by a second partition plate, a powder outlet groove is formed in the second partition plate, and an opening of the powder outlet groove is deviated to the feeding hole.
5. The aggregate making system of claim 2, wherein the screening device comprises a hoist and a screening chamber;
the hoister is used for hoisting the coarse materials to be conveyed into the screening chamber;
the screening chamber is used for grading the coarse material.
6. The aggregate manufacturing system according to claim 5, wherein a screen is obliquely arranged in the screening chamber, the screen is divided into a plurality of sections, and the aperture of each section is sequentially increased along the oblique direction; and a plurality of hoppers are arranged at the bottom of the screen corresponding to each section of the screen.
7. The aggregate making system according to claim 1, wherein the compounding device comprises a feeding device and a mixing silo;
the feeding device is used for conveying the crushed materials to be mixed to the mixing bin;
the side wall of the lower part of the mixing material bin is communicated with an outlet of a first fan, the first fan is used for supplying air into the mixing material bin to mix materials, an opening is formed in the bottom of the mixing material bin, and the opening is opposite to the conveying belt.
8. An aggregate making system according to claim 7, wherein said feeding means comprises coarse feeding means and/or fine feeding means;
an outlet of the coarse material feeding device is connected with the top of the mixing bin and is used for feeding coarse materials into the mixing bin;
powder material feeding unit has four discharge gates, the discharge gate with the upper portion lateral wall intercommunication of blending bunker, and four discharge gates are followed the angular setting such as circumference of blending bunker, four the discharge gate all is provided with the second fan for blow in the powder material feeding unit pipeline in the blending bunker, and form annular whirlwind in the blending bunker.
9. The grading device is characterized by comprising an air separation device and a screening device;
the air separation device is used for separating coarse materials from powder materials in the crushed materials; the air separation device comprises an air separation chamber and a material collecting hopper, wherein the material collecting hopper is communicated with the air separation chamber and is used for storing air-separated powder;
the air separation chamber is provided with an air inlet, a feed inlet, a coarse material outlet and a powder outlet; the air inlet is arranged on one side of the top of the air separation chamber and is connected with the outlet of the fan through a pipeline; the feed inlet is arranged in the center of the top of the air separation chamber, is opposite to the coarse material outlet and is used for adding crushed materials into the air separation chamber; the coarse material outlet is provided with a valve, is opposite to the coarse material conveying belt and is used for outputting coarse materials; the powder outlet is arranged at the top of the air separation chamber, is connected with the aggregate bin through a pipeline and is used for conveying the air-separated powder to the aggregate bin;
the screening device is used for carrying out classification treatment on the coarse materials and comprises a hoisting machine and a screening chamber; the hoister is used for hoisting the coarse materials to be conveyed into the screening chamber; the screening chamber is used for grading the coarse material.
10. A compounding device, characterized in that the compounding device comprises a feeding device and a mixing silo;
the feeding device is used for conveying crushed materials to be mixed to the mixing bin, and comprises a coarse material feeding device and a powder feeding device; an outlet of the coarse material feeding device is connected with the top of the mixing bin and is used for feeding coarse materials into the mixing bin; the powder feeding device is provided with four discharge ports, the discharge ports are communicated with the upper side wall of the mixing bin, the four discharge ports are arranged at equal angles along the circumferential direction of the mixing bin, and each of the four discharge ports is provided with a second fan which is used for blowing powder in a pipeline of the powder feeding device into the mixing bin and forming annular cyclone in the mixing bin;
the side wall of the lower part of the mixing material bin is communicated with an outlet of a first fan, the first fan is used for supplying air into the mixing material bin to mix materials, an opening is formed in the bottom of the mixing material bin, and the opening is opposite to the conveying belt.
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| CN110976289A (en) * | 2019-12-20 | 2020-04-10 | 浙江鼎峰科技股份有限公司 | Aggregate manufacturing system, grading device and blending device |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110976289A (en) * | 2019-12-20 | 2020-04-10 | 浙江鼎峰科技股份有限公司 | Aggregate manufacturing system, grading device and blending device |
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