CN111013784B - Production process of fine graded aggregate of asphalt concrete - Google Patents
Production process of fine graded aggregate of asphalt concrete Download PDFInfo
- Publication number
- CN111013784B CN111013784B CN201911311045.XA CN201911311045A CN111013784B CN 111013784 B CN111013784 B CN 111013784B CN 201911311045 A CN201911311045 A CN 201911311045A CN 111013784 B CN111013784 B CN 111013784B
- Authority
- CN
- China
- Prior art keywords
- chamber
- stone
- hopper
- conveying belt
- lifting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C19/00—Other disintegrating devices or methods
- B02C19/0012—Devices for disintegrating materials by collision of these materials against a breaking surface or breaking body and/or by friction between the material particles (also for grain)
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/02—Feeding devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/14—Separating or sorting of material, associated with crushing or disintegrating with more than one separator
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/18—Adding fluid, other than for crushing or disintegrating by fluid energy
- B02C23/20—Adding fluid, other than for crushing or disintegrating by fluid energy after crushing or disintegrating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07B—SEPARATING SOLIDS FROM SOLIDS BY SIEVING, SCREENING, SIFTING OR BY USING GAS CURRENTS; SEPARATING BY OTHER DRY METHODS APPLICABLE TO BULK MATERIAL, e.g. LOOSE ARTICLES FIT TO BE HANDLED LIKE BULK MATERIAL
- B07B9/00—Combinations of apparatus for screening or sifting or for separating solids from solids using gas currents; General arrangement of plant, e.g. flow sheets
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
- B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
- B02C23/00—Auxiliary methods or auxiliary devices or accessories specially adapted for crushing or disintegrating not provided for in preceding groups or not specially adapted to apparatus covered by a single preceding group
- B02C23/08—Separating or sorting of material, associated with crushing or disintegrating
- B02C23/16—Separating or sorting of material, associated with crushing or disintegrating with separator defining termination of crushing or disintegrating zone, e.g. screen denying egress of oversize material
- B02C2023/165—Screen denying egress of oversize material
Abstract
The invention discloses a production process of fine graded aggregate of asphalt concrete, which is realized by the following steps: the method comprises the steps of firstly, conveying raw materials, secondly, lifting and outputting materials, thirdly, shaping and discharging the raw materials, shaping a first shaping material with the particle size of 15-20mm and a second shaping material with the particle size of 0-15mm, fourthly, winnowing, fifthly, screening and batching, screening and outputting a mixture with the particle sizes of 11-17mm and 7-11mm, stone with the particle size of 11-17mm, stone with the particle size of 7-11mm, stone with the particle size of 4-7mm and stone with the particle size of 0-4mm, and sixthly, receiving the materials. Compared with the prior art, the aggregate preparation device can prepare various aggregates, achieves fine aggregate preparation, does not need to adopt a plurality of aggregate preparation settings, is low in production cost, adopts a stair climbing type layout in the whole production process, and is compact in overall space and small in occupied space.
Description
Technical Field
The invention relates to the field of aggregate preparation, in particular to a production process of asphalt concrete aggregate.
Background
As is known, aggregate for buildings in the market at present, such as stones and dry sand, wherein the stones have different particle sizes or grading under different use occasions, for example, the stone particle size for asphalt concrete or high-performance concrete is different from the stone particle size grading for non-asphalt pavement, the existing aggregate production equipment is difficult to meet the requirement of high-standard grading aggregate, the equipment investment amount needs to be increased or the later-stage re-blending and metering ingredients need to be carried out, the time consumption, the labor consumption and the cost are high, and the quality is unstable, which directly causes the large quality fluctuation, the stability and the service life of the later-stage concrete building materials to be discounted.
In view of the above, the present inventors have conducted extensive studies to solve the above problems.
Disclosure of Invention
The invention aims to provide a production process of fine graded aggregate of asphalt concrete, which aims to solve the problems of time and labor consumption, unstable aggregate extreme distribution and high production cost caused by adding equipment or blending in a later period when the graded aggregate is produced by the aggregate in the prior art.
In order to achieve the purpose, the invention adopts the following technical scheme:
a production process of fine graded aggregate of asphalt concrete is realized by the following steps:
step one, raw material conveying, namely arranging a vibrating discharge hopper for vibrating discharge, a first horizontal conveying belt and a lifting conveying belt, wherein a discharge port of the vibrating discharge hopper is arranged on the bottom surface of the vibrating discharge hopper, the first horizontal conveying belt is arranged right below the vibrating discharge hopper and extends in the left-right direction, the lifting conveying belt is arranged obliquely upwards, the lower end of the lifting conveying belt is arranged right below the right end of the first horizontal conveying belt and is connected with the first horizontal conveying belt, the first horizontal conveying belt and the lifting conveying belt share the same belt driving device, stones with the particle size of 2-40mm are poured into the vibrating discharge hopper during raw material conveying, the stones are vibrated by the vibrating discharge hopper to be discharged to the first horizontal conveying belt, and the first horizontal conveying belt is transferred to the lifting conveying belt and;
secondly, lifting and outputting the materials, wherein a material lifting and conveying device for receiving the raw materials and lifting and conveying the materials upwards and a second horizontal conveying belt for receiving the materials and extending in the left-right direction are arranged on the right side of the raw material conveying area, the material lifting and conveying device is provided with a hopper capable of moving up and down, the hopper is positioned below the upper end part of the lifting and conveying belt when positioned at the lowest end of the material lifting device and is arranged in a receiving manner, and the left end of the second horizontal conveying belt is connected below the hopper at the highest end of the material lifting device in a receiving manner; when lifting and outputting, the materials of the lifting conveying belt in the step one fall into a hopper, and the hopper is lifted upwards to the highest position and is inclined downwards for pouring;
step three, shaping and discharging the raw materials, pouring the raw materials poured out from the hopper in the step two into an impact crushing shaping machine, then dividing the raw materials into two paths, feeding the raw materials into one path of the raw materials, directly rotating the raw materials at a high speed and circumferentially discharging the raw materials to form a high-speed material, directly stacking the fed materials beside the other path of the raw materials at the periphery of the high-speed rotating and circumferentially discharging the raw materials to form a beating material, beating one part of the high-speed material into a shaping material I with the particle size of 15-20mm in a way of relative beating with the beating material, beating the other part of the high-speed material into a shaping material II with the particle size of 0-15mm in a way of relative beating with an iron block, and outputting;
step four, winnowing treatment, wherein a winnowing machine for removing dust is arranged below a discharge port of the impact crushing and shaping machine, the winnowing machine is provided with a winnowing channel which is obliquely and downwards inclined towards the right, an upper end port of the winnowing channel is connected with the discharge port of the impact crushing and shaping machine, the top surface of the lower end of the winnowing channel is provided with a dust suction port, and the bottom surface of the lower end of the winnowing channel is provided with a discharge port; the shaping material I and the shaping material II drop into the air separation channel, freely slide downwards by utilizing the inclination of the air separation channel, an air suction opening starts air suction, dust in the shaping material I and the shaping material II is sucked out from the air suction opening in the sliding process of the shaping material I and the shaping material II, the shaping material I and the shaping material II are subjected to dust removal treatment to form a dust removal material, and the dust removal material is output from a discharge opening of the air separation channel;
step five, screening and batching treatment, wherein a screening machine and a collecting hopper are arranged below a discharge port of the winnowing channel in the step four, the screening machine is provided with four screen meshes which are arranged obliquely leftwards and downwards together and are sequentially distributed from top to bottom, the four screen meshes are divided into a first screen mesh, a second screen mesh, a third screen mesh and a fourth screen mesh, the mesh of the first screen mesh is 17mm, the mesh of the second screen mesh is 11mm, the mesh of the third screen mesh is 7mm, the mesh of the fourth screen mesh is 4mm, the collecting hopper is arranged at the lower end part of the screening machine, the lower end parts of the four screen meshes fall into the collecting hopper together, separating chambers which are not communicated with each other are correspondingly arranged in the collecting hopper one to one corresponding to the four screen meshes, the four separating chambers are sequentially divided into a first chamber, a second chamber, a third chamber and a fourth chamber from left to right, the bottom of the first chamber is provided with a recovery chamber for recovery, the bottom of the second chamber is provided with a left chamber and, the bottom of the third chamber is provided with a third left chamber and a third right chamber, the top ends of the third left chamber and the third right chamber are communicated with the third chamber, the bottom of the fourth chamber is provided with a fourth left chamber and a fourth right chamber, the top ends of the fourth left chamber and the fourth right chamber are communicated with the fourth chamber, the bottom of the second left chamber, the bottom of the third right chamber and the bottom of the fourth left chamber can be communicated with the recovery chamber, the second left chamber is provided with a first manual valve used for being communicated with or cut off from the recovery chamber, the third right chamber is provided with a second manual valve used for being communicated with or cut off from the recovery chamber, the bottom of the fourth left chamber is provided with a third manual valve used for being communicated with or cut off from the discharge pipe, the lower end of the second right chamber and the lower end of the third left chamber are communicated with the first discharge pipe together, the lower end of the second right chamber is provided with a fourth manual valve communicated with or cut off from the first discharge pipe, the lower end of the third left chamber is provided, the bottom of the fourth right chamber is provided with a sixth manual valve for switching on or off the output of the fourth right chamber;
when screening and proportioning are carried out, a first mixed stone material with the grain diameter of 11-17mm and 7-11mm can be prepared by opening the fourth manual valve and the fifth manual valve, and first mixed stone materials with different proportioning can be prepared by adjusting the opening degrees of the fourth manual valve and the fifth manual valve; the sixth manual valve is opened to output fine stones with the grain diameter of 4-7mm, and the meshes of the fourth screen output stones with the grain diameter of 0-4 mm; opening one or more of the first manual valve, the second manual valve and the third manual valve according to requirements to enable the materials on the screen to enter the recovery chamber;
and step six, material receiving, wherein the recovery chamber in the step five is recovered into a hopper of a lifting conveying device through a material return pipe to be reshaped, the first stone mixing material is output and used through a first discharge pipe and a first stone belt conveying device, the fine stone material is output and used through a second discharge pipe and a second stone belt conveying device, and the sand and stone are output and used through a sand and stone winnowing machine and a dry sand finished product conveying device.
In the third step, the impact crushing and shaping machine is arranged below the right end of the second horizontal conveying belt, the impact crushing and shaping machine is provided with an installation cavity with an open top surface and an upper cover covering the installation cavity, the bottom surface of the installation cavity is provided with a discharge hole, a striking plate sleeved in the upper part of the installation cavity is arranged in the installation cavity, the center part of the bottom surface of the striking plate is provided with a through hole which is communicated up and down, a high-speed rotor with the lower end positioned in the through hole and rotating at a high speed is arranged in the striking plate, a closed-loop discharge channel is formed between the lower end of the high-speed rotor and the wall of the through hole of the striking plate at a distance, the high-speed rotor is internally provided with a feed cavity with an open top surface, the side wall of the high-speed rotor is provided with a plurality of vertical discharge pipes which are distributed around the circumference of the high-speed rotor, each discharge pipe is communicated with the feed cavity, and the, the inner bottom surface of the striking disk is convexly provided with a plurality of vertical separating sheets, the inner bottom surface of the striking disk is positioned on a closed-loop convex ring extending downwards along the through hole, one side of each separating sheet extends to the closed-loop convex ring and is connected with the closed-loop convex ring, the other side of each separating sheet is connected with the inner side wall of the striking disk, each separating sheet is distributed at intervals in the circumferential direction of the striking disk in a surrounding way, each separating sheet forms a piled stone area, a plurality of iron blocks are fixedly and vertically arranged on all parts of the inner bottom surface of the striking disk positioned outside the piled stone area to form an iron stone area, the lower ends of the iron blocks are closely matched with the closed-loop convex ring, and each iron block is closely distributed in a surrounding way of being obliquely arranged, one surface of the iron block corresponding to the side wall of the striking plate is taken as a back surface, the other surface of the iron block corresponding to the side wall of the striking plate is taken as a front surface, and one side edge of the front surface of one iron block in two adjacent iron blocks is arranged close to one side edge of the back surface of the other iron block; the upper cover is provided with a material distributing hopper, the upper end of the material distributing hopper extends out of the upper cover, the lower end of the material distributing hopper is positioned in the hollow cavity of the striking plate, and the lower end of the material distributing hopper is provided with a central guide channel opposite to the feeding cavity of the high-speed rotor, a discharging channel communicated with the rockfill area and a closed area closed off from the iron stone area.
The high-speed rotor is provided with an upper disc body and a lower disc body below the upper disc body, a through hole penetrating through the upper disc body and the lower disc body is formed in the center of the upper disc body, two hollow multi-face cylinders which are transversely arranged at opposite intervals are arranged between the upper disc body and the lower disc body, one sides of the upper end portions of the two multi-face cylinders are provided with bearing portions extending to the through hole and oppositely arranged, the two bearing portions are integrally connected, the upper end of each bearing portion is open and communicated with the through hole, the discharging pipe is arranged on one outward face of each multi-face cylinder and clamped between the upper disc body and the lower disc body, one face, contacting with the multi-face cylinder, of each discharging pipe is open, and the two adjacent discharging.
The separating sheet is of a right-angled triangle structure, one right-angle edge of the separating sheet is perpendicular to the inner bottom surface of the striking plate, and the other right-angle edge of the separating sheet is perpendicular to the side wall of the striking plate.
The striking plate is located each indisputable stone department and all is provided with a mounting panel, and above-mentioned mounting panel comprises riser and with riser vertically panel, and the riser is the slope setting, and the inclination of each riser is the same, and the panel is erect the setting, and one side of panel along with riser one side perpendicular setting, the opposite side of panel along with the end edge perpendicular setting of another riser one side, above-mentioned iron plate pastes fixed coordination with the riser.
In the sixth step, the first stone belt conveying device, the second stone belt conveying device and the dry sand finished product conveying device are arranged at intervals from left to right, the first stone belt conveying device is positioned below the lifting conveying belt in the first step, the first stone belt conveying device is provided with a stone conveying belt horizontally extending along the left-right direction, the first discharging pipe is composed of an upper vertical part and a left lower inclined part, the upper end of the upper vertical part is communicated with the bottom of the second chamber and the bottom of the third chamber together, and the lower end part of the left lower inclined part is vertically connected with the right end of the stone conveying belt; and the second stone belt conveying device is arranged below the aggregate bin in the fifth step, the dry sand finished product conveying device is arranged under the fourth screen, the second discharge pipe consists of an upper vertical part and a lower right inclined part, the second stone belt conveying device is provided with an inclined conveying belt which is inclined upwards from right to left, and the lower end of the inclined conveying belt is vertically connected with the right end of the lower right inclined part.
After the technical scheme is adopted, the production process of the fine graded aggregate of the asphalt concrete has the following beneficial effects that the production process can produce various aggregates, namely mixed aggregates of stones with different grain diameters and different proportions in a mixed proportion, or first fine stone materials with the grain diameters of 11-17mm, second fine stone materials with the grain diameters of 7-11mm, third fine stone materials with the grain diameters of 4-7mm and sand stones with the grain diameters of 0-4mm, in addition, the first fine stone materials, the second fine stone materials and the third fine stone materials can be recycled to the third step for shaping and discharging, so that the grain diameters of output materials are finer, more mixed aggregates with different grain diameters and different proportions are prepared once, fine graded aggregate preparation is achieved, a plurality of aggregate preparation settings are not needed, the production cost is low, and the layout of all the steps of the whole production process adopts a floor type layout, the whole space is compact, and the occupied production space is not too large.
Drawings
FIG. 1 is a flow chart of the present invention.
Detailed Description
In order to further explain the technical scheme of the invention, the following detailed description is combined with the accompanying drawings.
The invention relates to a production process of fine graded aggregate of asphalt concrete, which is realized by the following steps as shown in figure 1:
step one, raw material conveying, arranging a vibration discharging hopper 1 for vibration discharging with a discharging port arranged on the bottom surface, a first horizontal conveying belt 2 extending along the left-right direction under the vibration discharging hopper 1 and a lifting conveying belt 3 arranged obliquely upwards in a raw material conveying area, wherein the lower end of the lifting conveying belt 3 is arranged under the right end of the first horizontal conveying belt 2 and is vertically connected with the right end of the first horizontal conveying belt 2, the first horizontal conveying belt 2 and the lifting conveying belt 3 share the same belt driving device, namely the first horizontal conveying belt 2 and the lifting conveying belt 3 are driven by the same motor driving device, the driving mode is a known technology, the mounting modes of the first horizontal conveying belt 2 and the lifting conveying belt 3 are also known, the structure and the principle of the vibration discharging hopper 1 are also known, namely a vibration motor is adopted to drive the vibration discharging hopper to discharge, and will not be described in detail herein.
When the raw materials are conveyed, stones with the particle size of 2-40mm are poured into the vibrating discharge hopper 1, the stones are vibrated and discharged to the first horizontal conveying belt 2 through the vibrating discharge hopper 1, and the first horizontal conveying belt 2 is transferred to the lifting conveying belt 3 and is output from the upper end of the lifting conveying belt 3.
Secondly, lifting and outputting the materials, wherein a material lifting and conveying device 4 for receiving the raw materials and lifting and conveying the materials upwards and a second horizontal conveying belt 5 for receiving the materials and extending in the left-right direction are arranged on the right side of the raw material conveying area, the material lifting and conveying device 5 is provided with a hopper 41 capable of moving up and down and a driving device for driving the hopper 41 to move up and down and turn over, the hopper 41 is positioned below the end part of the upper end of the lifting and conveying belt 3 when positioned at the lowest end of the material lifting device and is arranged in a receiving manner, and the left end of the second horizontal conveying belt 5 is connected below the hopper 41 at the highest end of the material lifting device in a receiving manner; the lifting and discharging mode of the material lifting and conveying device 4 is the prior art, is a common means for processing the existing aggregate, and is not described again here.
When the materials are lifted and output, the hopper 41 is positioned below the lifting conveyer belt 3, the materials of the lifting conveyer belt in the first step directly fall into the hopper 41, the hopper 41 is driven by the driving device to be lifted upwards to the position above the left end of the second horizontal conveyer belt 5, and then the hopper 41 is inclined downwards to pour the materials;
step three, shaping and discharging the raw materials, pouring the raw materials poured out from the hopper in the step two into an impact crushing shaping machine 6, then dividing the raw materials into two paths, feeding the raw materials into one path of the raw materials, directly rotating the raw materials at a high speed and discharging the raw materials in the circumferential direction to form a high-speed material, directly stacking the other path of the raw materials beside the other path of the raw materials on the periphery of the high-speed rotating and discharging in the circumferential direction to form a beating material, beating one part of the high-speed material into a shaping material I with the grain diameter of 15-20mm in a way of relative beating with the beating material, beating the other part of the high-speed material into a shaping material II with the grain diameter of 0-15mm in a way of relative beating with;
specifically, the method comprises the following steps: the impact crushing and shaping machine 6 is arranged below the right end of the second horizontal conveying belt 5, the impact crushing and shaping machine 6 is provided with an installation cavity with an open top surface and an upper cover covering the installation cavity, the installation cavity is cylindrical, a discharge hole is formed in the bottom surface of the installation cavity, a striking plate sleeved in the upper portion of the installation cavity is arranged in the installation cavity, the outer side wall of the striking plate is in fit with the inner side wall of the installation cavity and is locked together, the installation cavity is divided into an upper cavity and a lower cavity by the bottom of the striking plate, a through hole which is communicated up and down is formed in the center of the bottom surface of the striking plate, a high-speed rotor which is arranged in the through hole at the lower end of the high-speed rotor and rotates at a high speed is arranged in the striking plate, a closed-loop-shaped discharge channel is formed between the lower end of the high-speed rotor and the hole, the upper cover is provided with a feeding hole corresponding to the feeding cavity, the side wall of the high-speed rotor is provided with a plurality of vertical discharging pipes which are distributed along the circumferential direction of the high-speed rotor in a surrounding way, each discharging pipe is communicated with the feeding cavity, and the pipe wall of each discharging pipe is provided with a plurality of discharging holes which are arranged at intervals along the vertical direction; preferably, the high-speed rotor is provided with an upper disc body and a lower disc body positioned below the upper disc body, a through hole penetrating up and down is formed in the center of the upper disc body, the rotation of the high-speed rotor adopts the known technology, the same way as that of a crusher is adopted, two hollow polyhedral cylinders which are transversely arranged at intervals oppositely are arranged between the upper disc body and the lower disc body, one side of the upper end part of each polyhedral cylinder is provided with a bearing part which extends to the through hole and is oppositely arranged, the two bearing parts are integrally connected, the upper end of each bearing part is open and communicated with the through hole, the side, close to each bearing part, of each bearing part is an inclined surface and plays a guiding role for materials, the discharge pipe is arranged on the outward side of each polyhedral cylinder, the discharge pipe is a square pipe body and is clamped between the upper disc body and the lower disc body, one side of the discharge pipe is contacted with one side, the multi-surface column body is communicated with the discharge pipes, two adjacent discharge pipes are arranged at an acute included angle, three ejection holes which are arranged from top to bottom at intervals are formed in the opposite surfaces of the two adjacent discharge pipes, and the ejection holes are discharge holes of the discharge pipes;
the inner bottom surface of the striking disk is convexly provided with a plurality of vertical separating sheets, preferably, the separating sheets are of a right-angled triangle structure, the inner bottom surface of the striking disk is positioned on a closed-loop convex ring extending downwards along the edge of the through hole, one right-angle edge of each separating sheet is perpendicular to the inner bottom surface of the striking disk, the right-angle edge extending closed-loop convex ring is connected with the closed-loop convex ring, the other right-angle edge of each separating sheet is perpendicular to the inner side wall of the striking disk, the separating sheets and the striking disk are integrally formed, each separating sheet is distributed at intervals and circumferentially along the circumferential direction of the striking disk, each separating sheet forms a rock piling area, preferably, the rock piling area occupies half of the space of the striking disk, a plurality of iron blocks are fixedly erected on all parts of the inner bottom surface of the striking disk, each iron block forms an iron stone area, namely, the area of the bottom surface of the striking disk, positioned outside the through hole, is divided into two, The other is a rockfill area, namely, a part is provided with iron stones, and the rest part is provided with a separation sheet; the lower ends of the iron blocks are closely matched with the closed-loop convex ring, the iron blocks are closely distributed in an inclined surrounding manner, one surface of each iron block corresponding to the side wall of the striking plate is a back surface, the other surface of each iron block is a front surface, and one side edge of the front surface of one iron block in two adjacent iron blocks is closely arranged with one side edge of the back surface of the other iron block; preferably, the striking plate is provided with a mounting plate at each iron stone, the mounting plate is composed of vertical plates and panels perpendicular to the vertical plates, the vertical plates are obliquely arranged, one side edge in the thickness direction of each vertical plate faces to the through hole of the striking plate, the inclination angles of the vertical plates are the same, the panels are vertically arranged, the two side edges in the thickness direction of the panels are arranged between the two vertical plates, one side edge of each panel is perpendicular to one side of the vertical plate and is arranged at the central part of the vertical plate, the other side edge of each panel is perpendicular to the end edge of the other vertical plate facing to the through hole of the striking plate, and the iron blocks are fixedly matched with the vertical plates in an;
the upper cover is provided with a material distributing hopper, the upper end of the material distributing hopper extends out of the upper cover, the lower end of the material distributing hopper is positioned in the cavity chamber of the striking plate, the lower end of the material distributing hopper is provided with a central guide channel opposite to the feeding cavity of the high-speed rotor, a blanking channel communicated with the rockfill area and a closed area closed off from the iron stone area, concretely, the upper cover is provided with a through hole, the lower end of the material distributing hopper is tightly sleeved in the through hole, the aperture of the through hole is larger than that of the through hole of the upper plate body, the lower end part of the material distributing hopper is provided with a central sleeve which is overlapped with the upper plate body and matched with the through hole of the upper plate body, the central sleeve is communicated with the through hole, the channel of the central sleeve is the central guide channel, a space is reserved between the outer side wall of the central sleeve and the inner side wall of, the sealing plate is the closed area, the area outside the sealing plate, where the distance between the central sleeve and the distributing hopper is opposite to the rockfill area, is the blanking channel,
the material is poured into the distributing hopper after being poured out through the hopper 41, one part of the material of the distributing hopper directly falls into the central sleeve and then into the through hole of the upper disc body of the high-speed rotor, the other part of the material directly falls into the rockfill area from the discharging channel between the central sleeve and the distributing hopper, at the moment, the materials in the high-speed rotor enter the two multi-face columns through the through holes of the upper disc body, the materials in each multi-face column flow into the discharge pipes communicated with the multi-face columns through the high-speed rotation of the high-speed rotor, each discharge pipe is ejected through the discharge hole, one part of the ejected materials falls from the discharge channel to the rockfill in the rockfill area to be crushed, the other part of the ejected materials is hit with the iron stones to be crushed, the crushed materials fall into the gap between the hitting disc and the high-speed rotor, the material falls to the mounting cavity and is positioned below the striking plate, and finally falls out of a discharge hole at the bottom of the mounting cavity, so that the discharge hole of the mounting cavity has two shaping materials to be output;
fourthly, winnowing treatment, wherein a winnowing machine 7 for removing dust is arranged below the discharge hole of the impact crushing and shaping machine 6, the winnowing machine 7 is provided with a winnowing channel which is obliquely and downwardly inclined towards the right, namely the upper end of the winnowing channel is positioned at the right side, the lower end of the winnowing channel is positioned at the left side, the upper end port of the winnowing channel is connected with the discharge hole of the impact crushing and shaping machine 6, and the bottom surface of the lower end of the winnowing channel is provided with a discharge hole; the right side of the air suction opening is sequentially provided with a stone dust separator 71 and a dust remover 72, and the air separator 7, the stone dust separator 71 and the dust remover 72 are known technology and are the same as the sand production system applied by the inventor, and the description is omitted.
During air separation, the shaping material I and the shaping material II in the step III fall into the air separation channel together, the shaping material I and the shaping material II freely slide downwards by utilizing the inclination of the air separation channel, the air suction opening starts air suction, the dust in the shaping material I and the shaping material II in the sliding process is sucked out from the air suction opening, the shaping material I and the shaping material II are subjected to dust removal treatment to form dust removal materials, the dust removal materials are output from the discharge opening of the air separation channel, the dust can be separated from fine stones again through the stone dust separator 71, and the dust separated by the stone dust separator 71 is treated by the dust remover 72;
step five, screening and batching treatment, wherein a screening machine 81 and a collecting hopper 82 are arranged below a discharge port of the air separation channel in the step four, the screening machine 81 is provided with four screen meshes which are arranged obliquely leftwards and downwards and are sequentially distributed from top to bottom, the four screen meshes are divided into a first screen mesh, a second screen mesh, a third screen mesh and a fourth screen mesh, the mesh of the first screen mesh is 17mm, the mesh of the second screen mesh is 11mm, the mesh of the third screen mesh is 7mm, the mesh of the fourth screen mesh is 4mm, the collecting hopper 82 is positioned at the lower end part of the screening machine 81, the lower end parts of the four screen meshes commonly fall into the collecting hopper 82, mutually-communicated separation chambers are correspondingly arranged in the collecting hopper 82 one to one corresponding to the four screen meshes, namely three partition plates are arranged in the collecting hopper 82, the three partition plates divide the chambers into four chambers which are sequentially arranged from left to right, the four partition chambers are sequentially divided into a first chamber, a, the bottom of the first chamber is communicated with a recovery chamber for recovery, the bottom of the second chamber is provided with a second left chamber and a second right chamber, the top ends of the second chamber are communicated with the second chamber, the bottom of the third chamber is provided with a third left chamber and a third right chamber, the top ends of the third chamber are communicated with the third chamber, the bottom of the fourth chamber is provided with a fourth left chamber and a fourth right chamber, the top ends of the fourth chamber are communicated with the fourth chamber, the bottom of the second left chamber, the bottom of the third right chamber and the bottom of the fourth left chamber can be communicated with the recovery chamber, namely, the bottom of the recovery chamber extends rightwards to the fourth left chamber, the bottom of the second left chamber is provided with a first through hole communicated with the recovery chamber, the first through hole is provided with a first manual valve used for communicating or stopping the first through hole and adjusting the opening degree of the first manual valve, and the bottom of the third right chamber is provided with a second through hole communicated with the recovery chamber, a second manual valve for conducting or stopping the second port and adjusting the opening degree of the second port is arranged on the second port, a third port communicated with the recovery chamber is formed in the bottom of the fourth left chamber, a third manual valve for conducting or stopping the third port and adjusting the opening degree of the third port is arranged on the third port, the lower end of the second right chamber and the lower end of the third left chamber are communicated with the first discharge pipe 91 together, the lower end of the second right chamber is provided with a fourth manual valve for conducting or stopping the first discharge pipe, the lower end of the third left chamber is provided with a fifth manual valve for conducting or stopping the first discharge pipe, the bottom of the fourth right chamber is provided with a fourth port, and the fourth port is provided with a sixth manual valve for conducting or stopping the fourth port;
when screening and proportioning are carried out, a first mixed stone material with the grain diameter of 11-17mm and 7-11mm can be prepared by opening a fourth manual valve and a fifth manual valve according to actual requirements, and first mixed stone materials with different proportioning can be prepared by adjusting the opening degrees of the fourth manual valve and the fifth manual valve; or the fourth manual valve is independently opened to output the stone with the grain diameter of 11-17mm, or the fifth manual valve is independently opened to output the stone with the grain diameter of 7-11mm, the sixth manual valve is opened to output the fine stone with the grain diameter of 4-7mm, and the mesh of the fourth screen directly outputs the stone with the grain diameter of 0-4 mm; or the first manual valve, the second manual valve or the third manual valve can be opened according to the requirement of the aggregate particle size, so that the materials on the screen can be delivered into the recovery chamber again;
in the fifth step, the processor can adaptively open the first manual valve, the second manual valve or the third manual valve according to the particle size required by the customer, so that the raw materials screened by the first screen, the raw materials screened by the second screen and the raw materials screened by the third screen can be recycled into the hopper 41 of the lifting and conveying device again, and more raw materials with different particle size specifications are obtained;
receiving materials, wherein the recovery chamber in the fifth step is recovered to the hopper 41 of the lifting conveying device through a material return pipe 92 for reshaping, the first stone-mixed materials are output and used through a first material discharge pipe 91 and a first stone belt conveying device 93, the fine stone materials are output and used through a second material discharge pipe 94 and a second stone belt conveying device 95, sand is output and used through a sand winnowing machine 96 and a dry sand finished product conveying device 97, the sand winnowing machine 96 is the same as the sand winnowing machine in the sand production system applied by the applicant, and the details are not repeated herein;
preferably, in the sixth step, the first stone belt conveyor 93, the second stone belt conveyor 95 and the finished dry sand product conveyor 97 are arranged at intervals from left to right, the first stone belt conveyor 93 is located below the lifting conveyor 3 in the first step, the first stone belt conveyor 93 is provided with a stone conveyor belt horizontally extending along the left-right direction, the first discharge pipe 91 is composed of an upper vertical portion and a left lower inclined portion, the left lower inclined portion is communicated with the upper vertical portion, the left lower inclined portion is located on the left side of the lower end of the upper vertical portion, and the lower end of the left lower inclined portion is vertically connected with the right end of the stone conveyor belt;
the second stone belt conveyor 95 is located below the aggregate bin 82 in the fifth step, the dry sand finished product conveyor 97 is located under the fourth screen, the second discharge pipe 94 is composed of an upper vertical portion and a lower right inclined portion, the upper vertical portion is communicated with the lower right inclined portion, the lower right inclined portion is located on the right side of the lower end of the upper vertical portion, the second stone belt conveyor 95 is provided with an inclined conveyor belt which is inclined upwards from right to left, and the lower end of the inclined conveyor belt is vertically connected with the right end of the lower right inclined portion.
The first stone belt conveyor 93, the second stone belt conveyor 95 and the dry sand finished product conveyor 97 have the same belt conveying principle as that of the sand production system applied by the applicant, and are also the same principle as that of the conveyor for discharging in the aggregate production system, and the difference is only in the arrangement of the conveyor belt, which is not described herein again.
According to the production process of the fine graded aggregate of the asphalt concrete, the impact crushing and shaping machine 6 can be used for processing small stones and gravels, the problem that the traditional method only can be used for processing small stones or gravels and the discharging is single is solved, the diversified shaped discharging materials can be matched with the multi-stage screen to screen out four types of materials, the four types of materials can be matched with the second right chamber and the third left chamber to prepare mixed aggregates with the particle sizes of 11-17mm and 7-11mm, and the mixed aggregates with different proportioning relations can be prepared by utilizing the opening of the manual valve, so that the materials output by the first stone belt conveying device are diversified, or the materials output by the first stone belt conveying device can be single stones with the particle sizes of 11-17mm or stones with the particle sizes of 7-11 mm; meanwhile, the second stone belt conveying device can also independently output fine stones with the particle size of 4-7mm, and the sand conveying device can independently output sand with the particle size of 0-4 mm; the aggregate output by the whole system is rich, the fine aggregate preparation can be achieved, a plurality of aggregates are not needed to be manufactured and arranged, the production cost is low, the climbing layout adopted by the inventor in each step of the whole production process and the arrangement of each conveying belt enable the whole space to be compact, the occupation of overlarge production space is avoided, and the transverse occupation space of the production space is greatly reduced; in addition, the materials with all or part of the particle sizes screened out by the screen machine can be conveyed back to the hopper 41 of the lifting and conveying device for reshaping according to the requirements of customers, namely one or more of the first manual valve, the second manual valve and the third manual valve are opened, so that the crushed materials are returned to the step three for crushing again, and grading of another particle size is carried out, namely, aggregates with different particle sizes can be obtained according to the requirements of customers, further fine-grade batching is achieved, the application range is wide, and the adaptability is strong.
According to the invention, the opening degree adjusting device for adjusting the opening degree of the area is arranged in the area of the blanking hopper, which is communicated with the high-speed rotor, namely the area is provided with the sealing plate and the screw rod, the sealing plate can be lifted up and down along the screw rod to adjust the distance between the sealing plate and the central sleeve, and the distance is adjusted even if the blanking hopper blanks materials into the high-speed rotor, so that the feeding adjustment also achieves certain grading adjustment and further meets the grading requirement.
The product form of the present invention is not limited to the embodiments and examples shown in the present application, and any suitable changes or modifications of the similar ideas should be made without departing from the patent scope of the present invention.
Claims (6)
1. A production process of fine graded aggregate of asphalt concrete is characterized by comprising the following steps: step one, raw material conveying, namely arranging a vibrating discharge hopper for vibrating discharge, a first horizontal conveying belt and a lifting conveying belt, wherein a discharge port of the vibrating discharge hopper is arranged on the bottom surface of the vibrating discharge hopper, the first horizontal conveying belt is arranged right below the vibrating discharge hopper and extends in the left-right direction, the lifting conveying belt is arranged obliquely upwards, the lower end of the lifting conveying belt is arranged right below the right end of the first horizontal conveying belt and is connected with the first horizontal conveying belt, the first horizontal conveying belt and the lifting conveying belt share the same belt driving device, stones with the particle size of 2-40mm are poured into the vibrating discharge hopper during raw material conveying, the stones are vibrated by the vibrating discharge hopper to be discharged to the first horizontal conveying belt, and the first horizontal conveying belt is transferred to the lifting conveying belt and;
secondly, lifting and outputting the materials, wherein a material lifting and conveying device for receiving the raw materials and lifting and conveying the materials upwards and a second horizontal conveying belt for receiving the materials and extending in the left-right direction are arranged on the right side of the raw material conveying area, the material lifting and conveying device is provided with a hopper capable of moving up and down, the hopper is positioned below the upper end part of the lifting and conveying belt when positioned at the lowest end of the material lifting device and is arranged in a receiving manner, and the left end of the second horizontal conveying belt is connected below the hopper at the highest end of the material lifting device in a receiving manner; when lifting and outputting, the materials of the lifting conveying belt in the step one fall into a hopper, and the hopper is lifted upwards to the highest position and is inclined downwards for pouring;
step three, shaping and discharging the raw materials, pouring the raw materials poured out from the hopper in the step two into an impact crushing shaping machine, then dividing the raw materials into two paths, feeding the raw materials into one path of the raw materials, directly rotating the raw materials at a high speed and circumferentially discharging the raw materials to form a high-speed material, directly stacking the fed materials beside the other path of the raw materials at the periphery of the high-speed rotating and circumferentially discharging the raw materials to form a beating material, beating one part of the high-speed material into a shaping material I with the particle size of 15-20mm in a way of relative beating with the beating material, beating the other part of the high-speed material into a shaping material II with the particle size of 0-15mm in a way of relative beating with an iron block, and outputting;
step four, winnowing treatment, wherein a winnowing machine for removing dust is arranged below a discharge port of the impact crushing and shaping machine, the winnowing machine is provided with a winnowing channel which is obliquely and downwards inclined towards the right, an upper end port of the winnowing channel is connected with the discharge port of the impact crushing and shaping machine, the top surface of the lower end of the winnowing channel is provided with a dust suction port, and the bottom surface of the lower end of the winnowing channel is provided with a discharge port; the shaping material I and the shaping material II drop into the air separation channel, freely slide downwards by utilizing the inclination of the air separation channel, an air suction opening starts air suction, dust in the shaping material I and the shaping material II is sucked out from the air suction opening in the sliding process of the shaping material I and the shaping material II, the shaping material I and the shaping material II are subjected to dust removal treatment to form a dust removal material, and the dust removal material is output from a discharge opening of the air separation channel;
step five, screening and batching treatment, wherein a screening machine and a collecting hopper are arranged below a discharge port of the winnowing channel in the step four, the screening machine is provided with four screen meshes which are arranged obliquely leftwards and downwards together and are sequentially distributed from top to bottom, the four screen meshes are divided into a first screen mesh, a second screen mesh, a third screen mesh and a fourth screen mesh, the mesh of the first screen mesh is 17mm, the mesh of the second screen mesh is 11mm, the mesh of the third screen mesh is 7mm, the mesh of the fourth screen mesh is 4mm, the collecting hopper is arranged at the lower end part of the screening machine, the lower end parts of the four screen meshes fall into the collecting hopper together, separating chambers which are not communicated with each other are correspondingly arranged in the collecting hopper one to one corresponding to the four screen meshes, the four separating chambers are sequentially divided into a first chamber, a second chamber, a third chamber and a fourth chamber from left to right, the bottom of the first chamber is provided with a recovery chamber for recovery, the bottom of the second chamber is provided with a left chamber and, the bottom of the third chamber is provided with a third left chamber and a third right chamber, the top ends of the third left chamber and the third right chamber are communicated with the third chamber, the bottom of the fourth chamber is provided with a fourth left chamber and a fourth right chamber, the top ends of the fourth left chamber and the fourth right chamber are communicated with the fourth chamber, the bottom of the second left chamber, the bottom of the third right chamber and the bottom of the fourth left chamber can be communicated with the recovery chamber, the second left chamber is provided with a first manual valve used for being communicated with or cut off from the recovery chamber, the third right chamber is provided with a second manual valve used for being communicated with or cut off from the recovery chamber, the bottom of the fourth left chamber is provided with a third manual valve used for being communicated with or cut off from the discharge pipe, the lower end of the second right chamber and the lower end of the third left chamber are communicated with the first discharge pipe together, the lower end of the second right chamber is provided with a fourth manual valve communicated with or cut off from the first discharge pipe, the lower end of the third left chamber is provided, the bottom of the fourth right chamber is provided with a sixth manual valve for switching on or off the output of the fourth right chamber;
when screening and proportioning are carried out, a first mixed stone material with the grain diameter of 11-17mm and 7-11mm can be prepared by opening the fourth manual valve and the fifth manual valve, and first mixed stone materials with different proportioning can be prepared by adjusting the opening degrees of the fourth manual valve and the fifth manual valve; the sixth manual valve is opened to output fine stones with the grain diameter of 4-7mm, and the meshes of the fourth screen output stones with the grain diameter of 0-4 mm; opening one or more of the first manual valve, the second manual valve and the third manual valve according to requirements to enable the materials on the screen to enter the recovery chamber;
and step six, material receiving, wherein the recovery chamber in the step five is recovered into a hopper of a lifting conveying device through a material return pipe to be reshaped, the first stone mixing material is output and used through a first discharge pipe and a first stone belt conveying device, the fine stone material is output and used through a second discharge pipe and a second stone belt conveying device, and the sand and stone are output and used through a sand and stone winnowing machine and a dry sand finished product conveying device.
2. The production process of the fine graded aggregate of the asphalt concrete according to claim 1, which is characterized by comprising the following steps of: in the third step, the impact crushing and shaping machine is arranged below the right end of the second horizontal conveying belt, the impact crushing and shaping machine is provided with an installation cavity with an open top surface and an upper cover covering the installation cavity, the bottom surface of the installation cavity is provided with a discharge hole, a striking plate sleeved in the upper part of the installation cavity is arranged in the installation cavity, the center part of the bottom surface of the striking plate is provided with a through hole which is communicated up and down, a high-speed rotor with the lower end positioned in the through hole and rotating at a high speed is arranged in the striking plate, a closed-loop discharge channel is formed between the lower end of the high-speed rotor and the wall of the through hole of the striking plate at a distance, the high-speed rotor is internally provided with a feed cavity with an open top surface, the side wall of the high-speed rotor is provided with a plurality of vertical discharge pipes which are distributed around the circumference of the high-speed rotor, each discharge pipe is communicated with the feed cavity, and the, the inner bottom surface of the striking disk is convexly provided with a plurality of vertical separating sheets, the inner bottom surface of the striking disk is positioned on a closed-loop convex ring extending downwards along the through hole, one side of each separating sheet extends to the closed-loop convex ring and is connected with the closed-loop convex ring, the other side of each separating sheet is connected with the inner side wall of the striking disk, each separating sheet is distributed at intervals in the circumferential direction of the striking disk in a surrounding way, each separating sheet forms a piled stone area, a plurality of iron blocks are fixedly and vertically arranged on all parts of the inner bottom surface of the striking disk positioned outside the piled stone area to form an iron stone area, the lower ends of the iron blocks are closely matched with the closed-loop convex ring, and each iron block is closely distributed in a surrounding way of being obliquely arranged, one surface of the iron block corresponding to the side wall of the striking plate is taken as a back surface, the other surface of the iron block corresponding to the side wall of the striking plate is taken as a front surface, and one side edge of the front surface of one iron block in two adjacent iron blocks is arranged close to one side edge of the back surface of the other iron block; the upper cover is provided with a material distributing hopper, the upper end of the material distributing hopper extends out of the upper cover, the lower end of the material distributing hopper is positioned in the hollow cavity of the striking plate, and the lower end of the material distributing hopper is provided with a central guide channel opposite to the feeding cavity of the high-speed rotor, a discharging channel communicated with the rockfill area and a closed area closed off from the iron stone area.
3. The production process of the fine graded aggregate of the asphalt concrete according to claim 2, wherein the production process comprises the following steps: the high-speed rotor is provided with an upper disc body and a lower disc body below the upper disc body, a through hole penetrating through the upper disc body and the lower disc body is formed in the center of the upper disc body, two hollow multi-face cylinders which are transversely arranged at opposite intervals are arranged between the upper disc body and the lower disc body, one sides of the upper end portions of the two multi-face cylinders are provided with bearing portions extending to the through hole and oppositely arranged, the two bearing portions are integrally connected, the upper end of each bearing portion is open and communicated with the through hole, the discharging pipe is arranged on one outward face of each multi-face cylinder and clamped between the upper disc body and the lower disc body, one face, contacting with the multi-face cylinder, of each discharging pipe is open, and the two adjacent discharging.
4. The production process of the fine graded aggregate of the asphalt concrete according to claim 2, wherein the production process comprises the following steps: the separating sheet is of a right-angled triangle structure, one right-angle edge of the separating sheet is perpendicular to the inner bottom surface of the striking plate, and the other right-angle edge of the separating sheet is perpendicular to the side wall of the striking plate.
5. The production process of the fine graded aggregate of the asphalt concrete according to claim 2, wherein the production process comprises the following steps: the striking plate is located each indisputable stone department and all is provided with a mounting panel, and above-mentioned mounting panel comprises riser and with riser vertically panel, and the riser is the slope setting, and the inclination of each riser is the same, and the panel is erect the setting, and one side of panel along with riser one side perpendicular setting, the opposite side of panel along with the end edge perpendicular setting of another riser one side, above-mentioned iron plate pastes fixed coordination with the riser.
6. The production process of the fine graded aggregate of the asphalt concrete according to claim 2, wherein the production process comprises the following steps: in the sixth step, the first stone belt conveying device, the second stone belt conveying device and the dry sand finished product conveying device are arranged at intervals from left to right, the first stone belt conveying device is positioned below the lifting conveying belt in the first step, the first stone belt conveying device is provided with a stone conveying belt horizontally extending along the left-right direction, the first discharging pipe is composed of an upper vertical part and a left lower inclined part, the upper end of the upper vertical part is communicated with the bottom of the second chamber and the bottom of the third chamber together, and the lower end part of the left lower inclined part is vertically connected with the right end of the stone conveying belt; and the second stone belt conveying device is arranged below the aggregate bin in the fifth step, the dry sand finished product conveying device is arranged under the fourth screen, the second discharge pipe consists of an upper vertical part and a lower right inclined part, the second stone belt conveying device is provided with an inclined conveying belt which is inclined upwards from right to left, and the lower end of the inclined conveying belt is vertically connected with the right end of the lower right inclined part.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311045.XA CN111013784B (en) | 2019-12-18 | 2019-12-18 | Production process of fine graded aggregate of asphalt concrete |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911311045.XA CN111013784B (en) | 2019-12-18 | 2019-12-18 | Production process of fine graded aggregate of asphalt concrete |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN111013784A CN111013784A (en) | 2020-04-17 |
| CN111013784B true CN111013784B (en) | 2021-02-19 |
Family
ID=70209762
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911311045.XA Active CN111013784B (en) | 2019-12-18 | 2019-12-18 | Production process of fine graded aggregate of asphalt concrete |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111013784B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113740192A (en) * | 2020-05-29 | 2021-12-03 | 上海梅山钢铁股份有限公司 | On-line coke particle size detection and thermal reaction sample collection system |
| CN114768970A (en) * | 2022-03-10 | 2022-07-22 | 河南宏建建设发展有限公司 | Aggregate production line with rubble plastic function |
| CN114570653B (en) * | 2022-05-07 | 2022-09-27 | 徐州世威隆盛建设工程有限公司 | Granularity intelligence screening conveyor is used in recycled concrete production |
| CN117772606B (en) * | 2024-02-23 | 2024-04-19 | 连云港丰达混凝土有限公司 | Concrete stone screening device and concrete processing method |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299745A (en) * | 1991-07-03 | 1994-04-05 | R + D Carbon Ltd. | Process for the preparation of a dry aggregate for the production of electrodes |
| CN202316081U (en) * | 2011-10-31 | 2012-07-11 | 无锡江加建设机械有限公司 | Preparing and production line of imitating natural sand |
| CN203622661U (en) * | 2013-11-04 | 2014-06-04 | 上海金路成套设备有限公司 | Quality-product aggregate production line for premixed concrete |
| CN104549702A (en) * | 2015-01-13 | 2015-04-29 | 福建省绿能环保科技有限公司 | Powder obtaining device in sand production |
| CN105327848A (en) * | 2014-08-15 | 2016-02-17 | 中联重科股份有限公司 | Building material production line |
| CN106045393A (en) * | 2016-05-26 | 2016-10-26 | 甘肃德龙生态建材有限公司 | Production equipment of ecological concrete |
| CN206140237U (en) * | 2016-11-14 | 2017-05-03 | 潍坊国特矿山设备有限公司 | Ore sand trimmer |
| CN107694938A (en) * | 2017-09-28 | 2018-02-16 | 福建省绿能环保科技有限公司 | A kind of pre- grading plant and the vibrating screen classifier with the device |
| CN209320013U (en) * | 2018-07-15 | 2019-08-30 | 河南中建西部建设有限公司 | A kind of concrete mixing station building castoff recycled aggregate feeding system |
| CN110180636A (en) * | 2019-06-20 | 2019-08-30 | 岳梁彩 | Circular reshaping balling machine in a kind of batch |
-
2019
- 2019-12-18 CN CN201911311045.XA patent/CN111013784B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5299745A (en) * | 1991-07-03 | 1994-04-05 | R + D Carbon Ltd. | Process for the preparation of a dry aggregate for the production of electrodes |
| CN202316081U (en) * | 2011-10-31 | 2012-07-11 | 无锡江加建设机械有限公司 | Preparing and production line of imitating natural sand |
| CN203622661U (en) * | 2013-11-04 | 2014-06-04 | 上海金路成套设备有限公司 | Quality-product aggregate production line for premixed concrete |
| CN105327848A (en) * | 2014-08-15 | 2016-02-17 | 中联重科股份有限公司 | Building material production line |
| CN104549702A (en) * | 2015-01-13 | 2015-04-29 | 福建省绿能环保科技有限公司 | Powder obtaining device in sand production |
| CN106045393A (en) * | 2016-05-26 | 2016-10-26 | 甘肃德龙生态建材有限公司 | Production equipment of ecological concrete |
| CN206140237U (en) * | 2016-11-14 | 2017-05-03 | 潍坊国特矿山设备有限公司 | Ore sand trimmer |
| CN107694938A (en) * | 2017-09-28 | 2018-02-16 | 福建省绿能环保科技有限公司 | A kind of pre- grading plant and the vibrating screen classifier with the device |
| CN209320013U (en) * | 2018-07-15 | 2019-08-30 | 河南中建西部建设有限公司 | A kind of concrete mixing station building castoff recycled aggregate feeding system |
| CN110180636A (en) * | 2019-06-20 | 2019-08-30 | 岳梁彩 | Circular reshaping balling machine in a kind of batch |
Also Published As
| Publication number | Publication date |
|---|---|
| CN111013784A (en) | 2020-04-17 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN111013784B (en) | Production process of fine graded aggregate of asphalt concrete | |
| CN101549351B (en) | Building refuse treatment regeneration system | |
| CN110420738B (en) | High-quality machine-made sand production process with sanding machine and dry centrifugal type powder removal grading | |
| CN201511034U (en) | Construction waste treatment regeneration system | |
| AU594367B2 (en) | Improvements in or relating to methods of mineral breaking and/or apparatus used therefor | |
| CN104907151A (en) | Storied building type sand production line and sand production method thereof | |
| GB2040190A (en) | Process and apparatus for the dry cleaning of grain | |
| CN108129049A (en) | A kind of Machine-made Sand production building station and sand method processed | |
| CN101829625B (en) | Integrated sand making complete equipment | |
| CN202037066U (en) | Sand making system of environmental-friendly wet-method aggregate machine | |
| CN113618929A (en) | Green intelligent integrated mill | |
| CN108296161B (en) | Multistage automatic sand screening machine for building | |
| CN109127086B (en) | Environment-friendly exquisite sand making building station system | |
| KR20190141828A (en) | Appratus for processing sand by dry type | |
| CN109320113A (en) | A kind of production method of effective adjustment mechanism sand continuous grading | |
| CN210935307U (en) | Particle size grading device and system | |
| CN109395858B (en) | Vertical shaft impact crusher with multiple shaping functions | |
| CN217615190U (en) | Material accumulation type crushing and screening production line | |
| CN111389564A (en) | Selective crushing sand making process after mixed aggregate is pre-screened | |
| CN201632312U (en) | Integrated complete sand making equipment | |
| CN214077139U (en) | A environmental protection system sand building for increase of production | |
| CN215313072U (en) | Machine-made sand production system for road and bridge construction | |
| CN212216243U (en) | Aggregate manufacturing system, grading device and compounding device | |
| CN107282442A (en) | A kind of multistage screening separates the device of grit | |
| CN212468418U (en) | Efficient sand making equipment system adopting large aggregate |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |