WO2014205990A1 - 机制天然砂级配调整系统及天然砂的制作方法 - Google Patents

机制天然砂级配调整系统及天然砂的制作方法 Download PDF

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Publication number
WO2014205990A1
WO2014205990A1 PCT/CN2013/087433 CN2013087433W WO2014205990A1 WO 2014205990 A1 WO2014205990 A1 WO 2014205990A1 CN 2013087433 W CN2013087433 W CN 2013087433W WO 2014205990 A1 WO2014205990 A1 WO 2014205990A1
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WIPO (PCT)
Prior art keywords
sand
steel
steel ball
machine
grading adjustment
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PCT/CN2013/087433
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English (en)
French (fr)
Inventor
胡建明
蒋刚
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浙江双金机械集团股份有限公司
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Publication of WO2014205990A1 publication Critical patent/WO2014205990A1/zh

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/22—Lining for containers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/04—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls with unperforated container
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B02—CRUSHING, PULVERISING, OR DISINTEGRATING; PREPARATORY TREATMENT OF GRAIN FOR MILLING
    • B02C—CRUSHING, PULVERISING, OR DISINTEGRATING IN GENERAL; MILLING GRAIN
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/1825—Lifting 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
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging 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
    • B02C17/00—Disintegrating by tumbling mills, i.e. mills having a container charged with the material to be disintegrated with or without special disintegrating members such as pebbles or balls
    • B02C17/18—Details
    • B02C17/183—Feeding or discharging devices
    • B02C17/1835—Discharging devices combined with sorting or separating of material

Definitions

  • the invention relates to a natural sand grading adjustment system and a natural sand preparation method capable of making the mechanism sand into the quality of natural sand without generating over-grinding phenomenon, and can be applied to dry sand making, belonging to the mechanism sand. Manufacturing field.
  • Existing sand making machines include impact breaking, counter-breaking, roller machine, rod mill, hammer machine, ultra-fine cone machine and so on.
  • the above machine can produce machine sand with a relatively round and beautiful grain size and a relatively small fineness modulus.
  • Other machines can only produce machine sand with a fineness modulus of about 3.6, and in the finished product. The smaller the fineness modulus, the higher the needle shape of the mechanism sand, which leads to the overall quality of the mechanical sand.
  • the rod mill adds a wear-resistant rod, which is rod-rolling during the barrel rolling process.
  • the strip is also repeatedly rolled in one direction (the rod can only be synchronously rolled in the middle and lower part of the cylinder wall with the rotation of the cylinder wall), and the mechanical sand in the cylinder is crushed between the rods, although the rod mill can Produce a mechanism sand with a relatively round and beautiful grain size and a relatively small fineness modulus, but the first is that its own production capacity is low; the second is that a large amount of over-grinding phenomenon occurs, resulting in a high amount of discarded powder in the finished product, pollution The environment and the waste of raw materials; the use of dry rod sand in the three rod mills is relatively immature and the effect is not good.
  • Design purpose to avoid the deficiencies in the background technology, to design a mechanism that can not only make the mechanism sand into the quality of natural sand, but also does not produce over-grinding phenomenon, save raw materials, and can be applied to dry sand making and environmental protection mechanism.
  • Design plan The construction mortar industry has entered the commodity era, and the mortar has also entered the era of spray spraying from the manual touch wall. At present, only the river sand can achieve the spray effect, and the mechanical sand processed by any mechanical equipment cannot reach the shotcrete. The required fineness modulus and particle roundness (sand and heterosexuality) led to the lack of artificial sand products in the construction mortar industry that could completely replace river sand. In order to solve this problem, the present invention is in the structural design: 1.
  • the mechanical sand grading adjustment machine adds a medium, but adds steel balls of different diameters (the steel ball is mixed and needs to be adjusted to be sanded together to the cylinder) Repeated stepping motion of the top of the wall to make a counterattack.
  • the steel ball can be made of a finished steel cutting head or a scrap steel cutting head of a construction waste, as long as the cutting head has a certain quality, it can be hit after falling from the high end.
  • the steel ball and the mechanism sand to be adjusted enter the mechanism sand grading adjustment machine, and the rolling of the mechanism sand grading adjustment machine continuously drives the stepping hopper to continuously improve the dumping movement, and the steel ball and the mechanism sand to be adjusted are simultaneously raised to the top.
  • the counter-attack stepping hopper itself is made of high-manganese steel, and the counter-attack strip and two counter-attacks are specially designed.
  • the steel ball falls to the counter-attack surface, it can hit the counter-attack surface.
  • the sand can be rebounded and hit the mechanism sand on the adjacent counterattack surface.
  • the entire wall of the cylinder is continuously rotating.
  • the mixture of the sand and the steel ball accumulated in the lower part is continuously hit, rolled and ground, and then
  • the first-level bucket lifts to the top and repeats the steps of falling, being hit, grinding, and stepping, thereby reducing the fineness modulus of the mechanism sand, and grinding the diamond angle of the mechanism sand during the rolling, so the mechanism
  • the sand grading adjustment machine not only achieves the effect of reducing the fineness modulus, but also achieves the grain shape effect of adjusting the fine mechanism sand, so that the quality of the finished machine mechanism sand after adjustment reaches the physical properties of natural sand.2.
  • the mechanism sand grading adjustment machine adopts frequency conversion to adjust the rotation speed.
  • the purpose of this is to control the fineness modulus of the finished product by adjusting the different speeds of the barrel wall through the mechanism sand grading.
  • the discharge section of the mechanism sand grading adjustment machine adopts the upper dust removal, the lower steel ball and the finished machine mechanism sand mixture, and the inner surface of the sand dust cover is equipped with a cushion rubber pad to reduce the wear of the sand hood and reduce the noise.
  • the mixture of the steel ball and the finished machine mechanism sand from the mechanism sand grading adjustment machine is separated by magnetic separation, the steel ball is reused, and the finished machine mechanism sand does not contain iron components. 5.
  • the bucket of the inner cylinder wall is arranged in three rows or multiple shots, and adopts a step-type layout, and each hopper of the same group is stepped and dislocated.
  • the three-row series is a step-by-step arrangement.
  • the second group of hoppers and the first group of hoppers are offset by half a hopper position.
  • the third group of hoppers and the second group of hoppers are also misplaced by half of the hopper.
  • the pipe is connected with the dust collector, the discharge mechanism of the mechanism sand grading adjustment machine is opposite to the feeding end of the discharge conveying conveyor belt, and the first-stage electromagnetic steel sand separator is arranged above the discharge end of the discharging conveying conveyor belt and the first-order electromagnetic steel sand separating is provided.
  • the discharge port of the steel ball is opposite to the groove surface of the steel ball by the steel ball diameter control chute.
  • the groove surface of the steel ball particle size control chute is provided with a steel ball particle size control section and the steel ball particle size control section is directly opposite to the fine steel particle groove, the steel ball
  • the discharge end of the particle size control section is directly opposite to the feed port of the crude steel granule
  • the discharge end of the discharge conveying conveyor is directly to the finished material conveying conveyor belt
  • the secondary material electromagnetic steel sand is arranged above the discharge end of the finished material conveying conveyor belt.
  • Separator and secondary electromagnetic steel sand separation The discharge port of the device directly controls the steel ball particle size control chute
  • the discharge end of the finished material conveying conveyor belt is directly opposite to the mixed finished sand trough
  • the lower end of the finished bucket elevator is located in the mixed finished sand trough.
  • Technical Solution 2 A mechanism for making natural sand grading adjustment system natural sand, the feeding conveyor belt feeds the mechanical sand that needs to be adjusted and graded into the steel sand mixing hopper, and the tower steel ball bucket lifting machine passes through the feeding chute
  • the steel sand mixing hopper adds steel balls, and the above two materials are mixed and enter the mechanism sand grading adjustment machine.
  • the stepping type counter hopper in the adjusting machine is continuously improved and continuously stepped. Under the work, the mechanism sand is continuously crushed and milled, and then the natural sand is continuously sent out from the discharge port of the mechanism sand grading adjustment machine.
  • the dust collector of the dust collector on the upper part of the discharge port continuously adjusts the mechanism sand grading adjustment machine.
  • the dust generated inside is sucked away.
  • the lower end of the discharge port of the mechanism sand grading adjustment machine is the first-class electromagnetic steel sand separator steel ball separation part.
  • the work of the steel ball separation part is the conveyor belt with the electromagnetic roller on the head, due to the electromagnetic roller Function, non-magnetic mechanism, natural sand is thrown to the second-stage electromagnetic steel sand separator separation part, and the steel ball sucked by the magnetic action of the electromagnetic drum directly enters the steel ball discharge chute, in the second stage
  • the head of the steel ball separation part is also the same set of electromagnetic rollers, and the small steel balls which have not been processed in the first group of rollers and the steel powder generated by grinding are processed, and simultaneously fall into the steel ball diameter control chute, in the two-stage steel ball After separation from the mechanism sand, the finished machine sand enters the next mechanism sand bucket and is lifted to the next section.
  • the invention has the advantages of high self-production, not only suitable for wet sand making, but also suitable for dry sand making; secondly, no over-grinding phenomenon occurs during the sand making process, and the amount of waste powder in the finished product is avoided. It not only avoids pollution to the environment, but also avoids waste of raw materials. Thirdly, the fine steel balls that have been selected can be used as blasting for classification. After continuous wear, the steel balls have excellent steel pellets and are excellent for surface treatment of castings.
  • the raw material, the fine steel powder recovered by the electromagnetic drum can also be reused as a casting raw material;
  • the fourth is that the sand of the mechanism can be rounded and thus can reach the roundness of the river sand, and the particle size range of the mechanism sand is Adjusted, the user can adjust the particle size and fineness modulus of the mechanism sand according to his own needs;
  • the fifth is that the mechanism sand can be widely used because of the multiple magnetic separation and wind selection, and the mechanism sand does not contain iron. Applications in the ceramic tile, glass, microcrystalline stone and other industries.
  • Figure 1 is a schematic diagram of the three-dimensional layout of the mechanism natural sand grading adjustment system.
  • Figure 2 is a schematic illustration of a top plan layout of a mechanical natural sand grading adjustment system.
  • Figure 3-1 is a cross-sectional perspective view of the mechanism sand grading adjustment machine.
  • Figure 3-2 is a schematic cross-sectional front view of the mechanism sand grading adjustment machine.
  • FIG. 4 is a schematic perspective view of a stepping type counter hopper.
  • Figure 5 is a schematic view showing the structure of a cushioning liner.
  • Figure 6 is a schematic view showing the structure of the inlet end liner.
  • Figure 7 is a schematic view showing the structure of a guide lining.
  • Example 1 Refer to Figures 1-7.
  • a mechanism natural sand grading adjustment system the feed conveying conveyor belt 1 discharge end is directly opposite to the steel sand mixing hopper 2 feeding port, and the steel sand mixing hopper 2 is passed through the steel ball feeding chute 16 and the tower steel ball bucket lifting machine 15 Relative to the material port, the bottom end of the tower steel ball bucket lifting machine 15 is located in the coarse steel grain material trough 14, the steel sand mixing hopper 2 discharge port is connected with the mechanism sand grading adjustment machine 3 feeding port, and the mechanism sand grading adjustment machine 3
  • the dust absorbing cover 5 communicates with the dust remover 4 through the conveying pipe, the discharge port of the mechanism sand grading adjusting machine 3 is opposite to the feeding end of the discharging conveying conveyor belt 17, and the discharging end of the discharging conveying conveyor belt 17 is provided with a first-order electromagnetic
  • the steel sand separator 6 and the discharge port of the first-stage electromagnetic steel sand separator 6 are
  • the steel ball particle size control chute 11 is a sorting screen.
  • the machine sand grading adjustment machine 3 comprises a power source 31, a second guide lining 32, a first guide lining 33, a feed port wear ring 34, a feed port end lining 35, a feed port shell 36, a large rolling ring 37, a stepping counter hopper 38, a first cushioning lining 39, a second cushioning lining 40, a dust removing hood 43, a discharge opening 44, a dust removing hole 45 and a labyrinth groove 46;
  • There is a large rolling ring 37 the large rolling ring 37 is located on the power source 31, the dust removing cover 43 is sleeved at one end of the drum, the inlet opening ring 34, the inlet end liner 35 and the feed port shell 36 constitute a feeding port.
  • the plurality of step-type counter-attack hoppers 38 are arranged in three or more rows and are arranged on the inner wall of the drum by a step-type structure, and each row of the step-type counter-attack hoppers 38 of the same group are arranged in a wrong position, and the second guide lining is arranged.
  • the plate 32, the first guide lining plate 33, the first buffer lining plate 39, and the second buffer lining plate 40 are respectively distributed at two ends of the plurality of sets of step hoppers.
  • the second group of hoppers and the first group of hoppers are offset by half of the hopper position, and the third group of hoppers and the second group of hoppers are also misplaced by half of the hopper, that is, one rotation of the barrel wall Half of the material in the first group of hoppers enters the second group, and new material is extracted from the inlet port, thereby rotating continuously toward the discharge port 44.
  • the dust cover 43 and the drum are configured by a labyrinth groove 46, and the inner wall of the dust cover 43 is provided with a cushion pad 41.
  • the observation surface of the dust cover 43 is provided with an observation hole and the observation cover 42 is disposed on the observation hole.
  • the power of the machine sand grading adjustment machine 3 is adjusted by the frequency conversion.
  • the step-type counter-attack hopper 38 is a fixed-wall trapezoidal bucket, and the upper end wall of the fixed wall is laterally welded with a counter-barrel 381, and a part of the cavity of the bucket chamber 384 of the fixed-wall trapezoidal bucket is welded with a first counter-attack panel 382, and a fixed wall type
  • the front face of the trapezoidal bucket is the second counter face panel 383, and the back of the fixed wall trapezoidal bucket is the assembly panel 385.
  • the counter-attack stepping hopper itself is made of high manganese steel.
  • the counter strut 38 has a trapezoidal cross section.
  • the cushioning lining 39 is composed of a curved plate 391 and a plurality of helical racks 392.
  • the plurality of helical racks 392 are equally welded to the curved plate 391 and the welding surface curvature of the helical rack 392 is matched with the arc of the curved plate 391.
  • a curved fixing hole 393 is opened in the curved plate 391.
  • the feed port end liner 35 is composed of a sector plate 351 and a plurality of racks 352.
  • the plurality of racks 352 are welded to the sector plate 351 at a radial interval, and the sector plate 351 is provided with a bolt fixing hole 353.
  • a plurality of feed port end liners 35 form a feed port and the rack is located within the feed cavity.
  • the guide lining 32 is composed of a curved plate 321 and a plurality of racks 322, and a plurality of racks 322 are welded to the curved plates 321 at a pitch.
  • the cylinder body comprises: a feed port wear ring 34, a cloth type end liner 35, a cloth liner, a counter-attack step hopper, a buffer liner and a labyrinth seal portion which is connected with the dust cover.
  • the power source consists of four sets of synchronous variable frequency speed control motors and two sets of large rolling rings.
  • the dust hood portion is composed of a labyrinth seal portion that is connected to the wall of the cylinder, a dust cover housing, an observation hole, and a cushion leather pad.
  • the working principle is as follows: the mechanical sand that needs shaping and adjustment grading and its medium (steel beads: steel with a certain quality such as steel cutting head) are mixed according to a certain ratio, and then the wear ring of the feeding port is continuously fed into the grading adjustment. machine. After the mixture of the sand and the steel ball enters the inner cavity of the adjusting machine, due to the continuous rotation of the grading adjusting machine, the material is continuously tumbling under the action of the protruding fork strip on the cloth-type end lining plate connected with the wear-resistant ring. Cut and move forward.
  • the lining and other internal linings and hoppers are high manganese steel castings.
  • the raised forks on the lining also have tumbling, grinding and feeding.
  • the mixture is continuously transferred into the counter-stepping hopper.
  • the lower hopper filled with the mixture material is continuously lifted to the top.
  • the mixture in the hopper is instantaneously dropped, and the dropped steel balls are directly hit to the lower fabric bucket.
  • the upper plane and the side counterattack surface and the counterattack strip, at this time, the mechanism sand and the steel ball on the counterattack surface are simultaneously struck, and the counterattack stepping hopper design has many different angled counterattack surfaces and counterattack strips. Therefore, the falling steel ball will cause repeated and repeated hits, and the sand is repeatedly broken in this repeated hit. Due to the continuous rotation of the cylinder, the mixture of the mechanism sand and the steel ball existing at the bottom is continuously tumbling, grinding, and continuously lifted by the next stage hopper.
  • the counter-attack stepping hopper is arranged linearly from the feeding port to the discharge port along the single body of the cylinder, three or more sets of stepwise misalignment are arranged along the circumference of the barrel wall.
  • the description is made in three units along the circumference of the barrel wall: the first hopper head of the second row is located in the middle of the first hopper of the first row, and the first hopper head of the third row is at the second The middle of the first hopper of the row, and so on, form the stepping principle.
  • the position of the first set of top material falls between the first hopper of the lower hopper and the second hopper, and as the wall of the drum rotates, half of the material dropped by the hopper is lifted by the second hopper. analogy. Therefore, as the material is continuously lifted and dropped, it is continuously pushed forward step by step.
  • a reverse-mounted buffer liner is designed in the discharge section, and the reverse fork strip of the buffer liner is used.
  • the crushed ground mixture loses its lifting force and forms a buildup zone of the mixture on the cushioning liner.
  • the material in the accumulation zone is continuously discharged into the grading adjustment machine as the wall of the cylinder rotates, and proceeds to the next section.
  • the working state inside the grading adjustment machine is relatively sealed, and the sand in the cylinder wall is continuously lifted and fallen, and is continuously broken, and a large amount of dust is generated inside, so that a dust removing hood is arranged at the rear of the device.
  • the connection between the dust cover and the wall of the tube is a labyrinth connection, so that dust does not appear at the place, and the air suction port is opened at the upper end of the dust cover, and the dust generated in the wall enters the dust collector through the air suction port to reduce the dust content.
  • the side of the dust cover is used to prevent the spring force and impact force of the steel ball.
  • the inner wall is provided with a buffer leather pad, and an observation hole is arranged in the middle portion, so as to observe the wear condition of the hopper and the lining plate in the wall of the tube when the machine is stopped, etc., the lower part is provided.
  • the discharge port allows the material to be transported to the next station.
  • the lower end of the discharge section is the separation section of the primary and secondary steel balls.
  • the working principle of the section is that the head is pressed by the conveyor belt with the electromagnetic roller. Due to the action of the electromagnetic roller, the magnetic mechanism-free sand is thrown to the second-stage steel ball separation section. The steel ball sucked by the magnetic action of the electromagnetic roller directly enters the chute 1 , and the same set of electromagnetic rollers are also at the head of the second-stage steel ball separation part, and the processed small steel balls and grinding in the first group of rollers have been processed. Produced steel powder. At the same time, it falls into the steel ball particle size control chute 2.
  • the steel ball particle size control control section of the steel ball near the front section is a long bevel hole. This section separates steel balls and steel powder with poor quality and small particle size into fine steel ball grooves.
  • the crude steel ball with qualified quality and qualified particle size is sent into the steel ball bucket lifting bin, and is lifted to the mixing hopper of the feeding port of the grading adjusting machine to perform the circulating crushing mechanism sand work.
  • the finished machine-made sand enters the finished hopper and is pumped into the next-stage sorting equipment.
  • the steel balls in the production line are basically not wasteful, and the selected fine steel balls can be used as a shot blast for classification, and the continuously worn steel balls have excellent steel shots and are surface treatment of the castings.
  • Fine raw materials, fine steel powder recovered by the electromagnetic drum, can also be reused as a casting material.
  • Embodiment 2 On the basis of Embodiment 1, a mechanism for making a natural sand grading adjustment system natural sand, a feeding conveyor belt 1 is required to adjust the grading mechanism sand into the steel sand mixing hopper 2 while the tower
  • the steel ball bucket lifting machine 15 adds steel balls to the steel sand mixing hopper 2 through the feeding chute 16, and the above two materials are mixed and then enter the mechanism sand level adjusting machine 3, and the rotating machine is adjusted continuously by the mechanism sand level adjusting machine 3, in the adjusting machine
  • the mechanism sand is continuously crushed and milled, and then the mechanical sand is continuously sent out from the discharge port 44 of the mechanism sand grading adjustment machine 3
  • the dust removing hole 45 of the dust collecting hood 43 of the upper part of the material inlet continuously sucks the dust generated inside the mechanism sand grading adjusting machine 3, and the lower end of the discharging port 44 of the
  • the work of the steel ball separation part is a conveyor belt with a magnetic roller on the head. Due to the action of the electromagnetic roller, the natural sand without magnetic mechanism is thrown to the separation part of the second-stage electromagnetic steel sand separator 7 Magnetically acted upon by the electromagnetic roller
  • the live steel ball directly enters the steel ball discharge chute 9 and is also the same set of electromagnetic rollers at the head of the second-stage steel ball separation part.
  • the small steel balls that have not been processed in the first set of drums and the steel powder produced by grinding are processed. At the same time, it falls into the steel ball particle size control chute 11. After the two stages of steel balls are separated from the machine sand, the finished machine sand enters the next mechanism sand bucket and is lifted to the next stage.
  • the steel ball particle size control chute 11 is adjacent to the front section of the steel ball diameter control section 12 of the open long waist hole, and the steel ball particle size control section 12 separates the steel ball and the steel powder with the mass wear and small particle size into the fine steel particle groove 13 .
  • the qualified steel ball with qualified quality is fed into the steel ball bucket of the crude steel particle trough 14 and lifted to the mixing hopper of the feeding port of the grading adjustment machine through the bucket lifting to carry out the circulating crushing mechanism sand work; After the secondary steel ball separation part completely separates the steel ball from the machine sand, the finished product natural sand enters the mixed finished sand floor tank 10 and is pumped into the next-stage sorting equipment by the finished hopper in the finished bucket elevator 8 .
  • the steel ball and the mechanical sand to be adjusted enter the mechanism sand grading adjustment machine 3, and the rolling of the mechanism sand grading adjustment machine 3 drives the stepping hopper 38 to continuously improve the dumping movement, and the steel ball and the mechanical sand to be adjusted are simultaneously Lifting to the top and falling at the same time, the counter-attack stepping hopper itself is made of high-manganese steel. When the steel ball falls to the counter-attack surface, it can hit the mechanism sand that needs to be adjusted on the counter-attack surface, and can be hit by rebounding.
  • the grading adjustment machine 3 not only achieves the effect of reducing the fineness modulus, but also achieves the grain shape effect of adjusting the fine mechanism sand, so that the finished machine mechanism sand after adjustment can reach the quality of the natural sand.
  • the steel ball can be made of a finished steel cutting head or a scrap steel cutting head of a construction. As long as the cutting head has a certain quality, it can be hit after falling from the high end.
  • the power of the machine sand grading adjustment machine 3 adopts frequency conversion to adjust the rotation speed, and the fineness modulus of the finished product is controlled by different rotation speeds of the cylinder wall.

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  • Food Science & Technology (AREA)
  • Combined Means For Separation Of Solids (AREA)
  • Crushing And Grinding (AREA)

Abstract

一种机制天然砂级配调整系统包括进料传送带（1）、钢砂混合料斗（2）、进料溜槽（16）、塔式钢珠斗提机（15）、机制砂级配调整机（3）、吸尘罩（5）、除尘器（4）、出料输送带（17）、电磁钢砂分离器（6）、钢珠出料溜槽（9）、钢珠粒径控制溜槽（11）、细钢颗粒地槽（13）、粗钢颗粒地槽（14）、成品料输送带（18）。其中，进料传送带（1）的出料端直对钢砂混合料斗（2）的进料口，钢砂混合料斗（2）通过钢珠进料溜槽（16）与塔式钢珠斗提机（15）的出料口相对，钢砂混合料斗（2）的出料口与机制砂级配调整机（3）的进料口连通，机制砂级配调整机（3）的吸尘罩（5）通过输送管与除尘器（4）连通，机制砂级配调整机（3）的出料口与出料输送带（17）的进料端相对，出料输送带（17）的出料端上方设有一级电磁钢砂分离器（6）且该一级电磁钢砂分离器（6）的出料口通过钢珠出料溜槽（9）与钢珠粒径控制溜槽（11）的槽面相对，钢珠粒径控制溜槽（11）的槽面设有钢珠粒径控制段（12），该钢珠粒径控制段的下面直对细钢颗粒地槽（13），该钢珠粒径控制段（12）的出料端直对粗钢颗粒地槽（14）的进料口，出料输送带（17）出料端直对成品料输送带（18）。一种天然砂的制造方法，其采用所述系统。

Description

机制天然砂级配调整系统及天然砂的制作方法 技术领域
本发明涉及一种既能够将机制砂制成天然砂的品质，又不会产生过磨现象，又能适用于干法制砂的机制天然砂级配调整系统及天然砂的制作方法，属机制砂制造领域。
 背景技术
现有的制砂机包括冲击破，反击破，对辊机，棒磨机，锤头机，超细碎圆锥机等等。以上机器除了棒磨机可以生产出粒径相对圆整美观，细度模数相对偏小的机制砂以外，其他机器都只能够生产出细度模数在3.6左右的机制砂，并且在成品中细度模数越小的机制砂中其针片状就越高，导致机制砂的整体产品品质大大下降；而棒磨机添加的是耐磨棒条，该机在筒体滚动的过程当中棒条也顺着一个方向反复翻滚（该棒条只能在筒壁的中下部随着筒壁的旋转做同步滚动运动），筒体内的机制砂在棒条间被压碎，棒磨机虽然可以生产出粒径相对圆整美观，细度模数相对偏小的机制砂，但一是自身产能偏低；二是产生大量的过磨现象，造成产成品中废弃的粉量居高不下，污染环境，并且造成原材料浪费；三则棒磨机在干法制砂的使用还相对不成熟，效果不佳。
 技术问题
设计目的：避免背景技术中的不足之处，设计一种既能够将机制砂制成天然砂的品质，又不会产生过磨现象、节约原材料，又能适用于干法制砂且环保的机制天然砂级配调整系统及天然砂的制作方法。
 技术解决方案
设计方案：建筑砂浆行业已经步入商品时代，砂浆也从手工摸墙步入到喷浆时代，而目前可以达到喷浆效果的只有河沙，任何机械设备加工出来的机制砂都无法达到喷浆所需的细度模数与颗粒圆整度（沙的和异性），导致建筑砂浆行业缺少完全可以代替河沙的人工砂产成品。为了解决这一难题，本发明在结构设计上：1、机制砂级配调整机虽然添加了媒介物，但添加的是直径不等的钢珠(该钢珠混合需要调整的机制砂一起被提升到筒壁顶端做下落反击的重复步进式运动)。该钢珠可以是成品的钢筋切头也可以是建筑废弃的螺纹钢切头来制作，只要该切头具备一定质量，从高端落下后能够起到打击作用即可。该钢珠与需要调整的机制砂共同进入机制砂级配调整机，机制砂级配调整机的滚动带动步进式料斗不断的做提升倒料运动，钢珠与需要调整的机制砂同时被提升到顶端，并同时下落，处于下部的反击式步进料斗本身材质为高锰钢，并特别设计了反击条与两个反击面，钢珠下落到反击表面时既可以击打反击面上的需要调整的机制砂，又可以经过反弹而击打相邻反击面上的机制砂，其次整个筒壁在不停的旋转，下部堆积的机制砂与钢珠的混合物不断的被击打，滚动磨削，又被下一级斗提提升到顶端而重复做下落，被击打，磨削，步进的工序，以此来降低机制砂的细度模数，并在滚动当中把机制砂的菱角磨去，因此机制砂级配调整机既达到降低细度模数的作用，也达到了调整细小机制砂的粒型作用，使得调整之后的成品机制砂品质达到天然砂的物理性能。2、机制砂级配调整机动力采用变频调整转速，这样做的目的在于：通过机制砂级配调整机筒壁的不同转速来控制产成品的细度模数。3、机制砂级配调整机出料段采用上部除尘，下部出钢珠与成品机制砂混合料，砂尘罩内表面配有缓冲胶垫以减少砂尘罩的磨损和降低噪音。4、机制砂级配调整机所出的钢珠与成品机制砂的混合料经过磁力筛选分离，钢珠重复使用，成品机制砂中不含有铁质成分。5、由于机制砂级配调整机为滚筒式结构，内部筒壁的斗提以三排或者多拍为一组，采用步进式布局，同组的每排料斗都步进式错位排布，（注：以三排为一组步进式排布说明：第二组料斗与第一组料斗错位半个料斗位置，同样第三组料斗与第二组料斗也是错位半个料斗。也就是说在筒壁转动一圈，第一组料斗中的物料有一半进入第二组，并且又从入料口中提取了新的物料，以此转动不断的朝着出料口运动。）因此，该机的生产能力只受到产成品要求控制，而不受进料控制，使用者可以根据产成品的细度模数要求而确定筒体的转速，同时使用者可以根据自身需求而调整钢珠与机制砂的进料比例与每小时通过量。
技术方案1：一种机制天然砂级配调整系统，进料传送输送带出料端直对钢砂混合料斗进料口，钢砂混合料斗通过钢珠进料溜槽与塔式钢珠斗提机出料口相对，塔式钢珠斗提机底端位于粗钢颗料地槽内，钢砂混合料斗出料口与机制砂级配调整机进料口连通，机制砂级配调整机吸尘罩通过输送管与除尘器连通，机制砂级配调整机出料口与出料传送输送带进料端相对，出料传送输送带出料端上方设有一级电磁钢砂分离器且一级电磁钢砂分离器出料口通过钢珠出料溜槽与钢珠粒径控制溜槽槽面相对，钢珠粒径控制溜槽的槽面设有钢珠粒径控制段且钢珠粒径控制段下面直对细钢颗粒地槽，钢珠粒径控制段出料端直对粗钢颗粒地槽进料口，出料传送输送带出料端直对成品料传送输送带，成品料传送输送带出料端上方设有二级电磁钢砂分离器且二级电磁钢砂分离器出料口直对钢珠粒径控制溜槽，成品料传送输送带出料端直对混合成品砂地槽，成品斗式提升机下端位于混合成品砂地槽内。
技术方案2：一种机制天然砂级配调整系统天然砂的制作方法，进料输送带把需要调整级配的机制砂送入钢砂混合料斗同时，塔式钢珠斗提机通过进料溜槽向钢砂混合料斗添加钢珠，以上两种材料混合后进入机制砂级配调整机，经过机制砂级配调整机的不断旋转，在调整机中的步进式反击料斗的不断提升与不断步进的工作下，机制砂不断的被破碎、碾磨，然后从机制砂级配调整机出料口不断送出机制天然砂，在出料口上部的除尘器吸风罩不断的把机制砂级配调整机内部产生的粉尘吸走，机制砂级配调整机出料口下端是一级电磁钢砂分离器钢珠分离部，该钢珠分离部的工作为头部按有电磁滚筒的输送带，由于电磁滚筒的作用，不含磁性的机制天然砂抛向第二级电磁钢砂分离器分离部，被电磁滚筒磁性作用吸住的钢珠直接进入到钢珠出料溜槽，在第二级钢珠分离部的头部也是相同的一组电磁滚筒，已处理第一组滚筒中没有处理完毕的小钢珠与磨削产生的钢粉，并同时落入钢珠粒径控制溜槽，在这两级钢珠与机制砂分离过后，成品机制砂进入下一个机制砂斗提提至下一工段。
 有益效果
本发明与背景技术相比，一是自身产能高，不仅适用于湿式制砂，而且适用于干法制砂；二是制砂过程中不会产生过磨现象，避免了成品中废弃的粉量的产生，既避免了对环境的污染，又避免了原材料浪费；三是筛选下来的细钢珠可以作为抛丸来分级利用，经过不断的磨损的钢珠具有优良的钢丸作用，是铸件表面处理的优良原料，被电磁滚筒回收的细小钢粉，也可以作为铸造原料进行重新利用；四是该机制砂经过风选分离后可以达到江河沙这样的圆整度，并且该机制砂的粒径范围是可调整的，用户可以根据自身的需求而调整机制砂的粒径，细度模数；五是该机制砂由于经过多道磁选与风选，其机制砂中不含铁，所以该生产线可以广泛的应用在瓷砖，玻璃，微晶石烧制等行业中。
 附图说明
图1是机制天然砂级配调整系统立体布局的示意图。
图2是机制天然砂级配调整系统俯视平面布局的示意图。
图3-1是机制砂级配调整机的剖视立体结构示意图。
图3-2是机制砂级配调整机的剖视主视结构示意图。
图4是步进式反击料斗的立体结构示意图。
图5是缓冲衬板的结构示意图。
图6是进料口端衬板的结构示意图。
图7是导料衬板的结构示意图。
 本发明的实施方式
实施例1：参照附图1-7。一种机制天然砂级配调整系统，进料传送输送带1出料端直对钢砂混合料斗2进料口，钢砂混合料斗2通过钢珠进料溜槽16与塔式钢珠斗提机15出料口相对，塔式钢珠斗提机15底端位于粗钢颗料地槽14内，钢砂混合料斗2出料口与机制砂级配调整机3进料口连通，机制砂级配调整机3吸尘罩5通过输送管与除尘器4连通，机制砂级配调整机3出料口与出料传送输送带17进料端相对，出料传送输送带17出料端上方设有一级电磁钢砂分离器6且一级电磁钢砂分离器6出料口通过钢珠出料溜槽9与钢珠粒径控制溜槽11槽面相对，钢珠粒径控制溜槽11的槽面设有钢珠粒径控制段12且钢珠粒径控制段12下面直对细钢颗粒地槽13，钢珠粒径控制段12出料端直对粗钢颗粒地槽14进料口，出料传送输送带17出料端直对成品料传送输送带18，成品料传送输送带18出料端上方设有二级电磁钢砂分离器7且二级电磁钢砂分离器7出料口直对钢珠粒径控制溜槽11，成品料传送输送带18出料端直对混合成品砂地槽10，成品斗式提升机8下端位于混合成品砂地槽10内。钢珠粒径控制溜槽11为分选筛。
机制砂级配调整机3由动力源31、第二导料衬板32、第一导料衬板33、进料口耐磨圈34、进料口端衬板35、进料口壳36、大滚圈37、步进式反击料斗38、第一缓冲衬板39、第二缓冲衬板40、除尘罩43、出料口44、除尘孔45和迷宫槽46构成；滚筒两端部分别套有大滚圈37，大滚圈37位于动力源31上，除尘罩43套在滚筒一端，进料口耐磨圈34、进料口端衬板35和进料口壳36构成进料口，多只步进式反击料斗38以三排或者多排为一组且采用步进式结构分布在滚筒内壁上，同组的每排步进式反击料斗38都错位排布，第二导料衬板32、第一导料衬板33和第一缓冲衬板39、第二缓冲衬板40分别分布在多组步进料斗两端。多排为一组步进式排布时，第二组料斗与第一组料斗错位半个料斗位置，同样第三组料斗与第二组料斗也是错位半个料斗，即在筒壁转动一圈，第一组料斗中的物料有一半进入第二组，并且又从入料口中提取了新的物料，以此转动不断的朝着出料口44运动。除尘罩43与滚筒之间采用迷宫槽46结构配合，除尘罩43内壁置有缓冲皮垫41。除尘罩43端面开有观察孔且观察孔上置有观察盖42。机制砂级配调整机3的动力采用变频调整转速。步进式反击料斗38为固定壁式梯形斗，固定壁上端壁横向焊有反击齿条381，固定壁式梯形斗的提斗腔384的部分腔口上焊有第一反击面板382，固定壁式梯形斗前斗面为第二反击面板383，固定壁式梯形斗背面为装配面板385。反击式步进料斗本身材质为高锰钢。反击齿条38截面呈梯形。缓冲衬板39由弧形板391和多根斜齿条392构成，多根斜齿条392等间距焊接在弧形板391条且斜齿条392的焊接面弧度与弧形板391弧度相吻合，弧形板391上开有螺栓固定孔393。进料口端衬板35由扇形板351和多根齿条352构成，多根齿条352放射间距焊接在扇形板351条，扇形板351上开有螺栓固定孔353。多块进料口端衬板35构成进料口且齿条位于进料口腔内。导料衬板32由弧形板321和多根齿条322构成，多根齿条322间距焊接在弧形板321上。
筒体内包括了：进料口耐磨圈34，布料式端衬板35，布料衬板，反击式步进料斗，缓冲衬板及与除尘罩相衔接的迷宫密封部分组成。
动力源为四组同步变频调速电机与两组大滚圈组成。
除尘罩部分由与筒壁衔接的迷宫密封部分，除尘罩壳体，观察孔，与缓冲皮垫组成。
工作原理阐述：把需要整形与调整级配的机制砂与其媒介物（钢珠：钢筋切头等具有一定质量的钢材）按照一定比例混合后经过进料口耐磨圈被源源不断的送入级配调整机。该机制砂与钢珠混合物进入调整机内腔后由于级配调整机的不断旋转，于耐磨圈相连接的布料式端衬板上凸起的拨叉条的作用下物料被不断的翻滚，磨削，前进。
与布料式端衬板相连接的是布料衬板，该衬板与其他内部衬板和料斗都为高锰钢铸件，该衬板上的凸起拨叉条同样具有翻滚，磨削，送料的功能。
随着筒体的不断旋转，混合物料被不断的拨入反击式步进料斗内。随着筒体的旋转，下层装满混合物料的料斗被持续不断的提升到顶部，当料斗被提升到顶部时料斗内的混合物料被瞬时抛下，被抛落的钢珠直接击打到下面料斗的上平面与侧面的反击面和反击条上，此时这些反击面上的机制砂与钢珠就同时被击打，又由于设计的反击式步进料斗设计有许多不同折角的反击面与反击条，因此下落的钢珠会造成二次及多次的反复击打，在这反复的击打中机制砂被重复破碎。又由于筒体的不断旋转，存在与底部的机制砂与钢珠混合物被不断的翻滚，磨削，又不断的被下一级料斗提升。
由于该反击式步进料斗以沿着筒体单组从进料口到出料口直线排布，沿着筒壁周长以三组或者三组以上的步进式错位排列。以沿着筒壁周长三组为一个单位来进行描述：第二排的第一个料斗头部位于第一排的第一个料斗的中部，第三排的第一个料斗头部处在第二排的第一个料斗的中部，以此类推形成步进原理。
因此第一组顶部物料下落的位置是在下部料斗的第一个料斗与第二个料斗之间，并且随着筒壁的旋转，该料斗落下来的一半物料被第二个料斗提升，以此类推。因此，在物料不断的被提升抛下，也就不断的被步进式向前推进。
在物料向出料口推进的过程当中，被不断的提升，破碎，翻滚，磨削。
当物料被送到出料口段时为了瞬间减少物料中钢珠的弹跳力与冲击力，因此在出料段设计了反向安装的缓冲衬板，在缓冲衬板的反向拨叉条的作用下经过破碎磨削的混合物失去了提升力后在缓冲衬板上形成混合物的堆积区。该堆积区的物料随着筒壁的旋转，不断的被排出级配调整机，进入下一个工段。
级配调整机内部的工作状态是相对密封的，筒壁内随着机制砂不断的被提升下落，不断的被破碎，内部将产生大量的粉尘，因此在该设备的后部配备有除尘罩，该除尘罩与筒壁的连接为迷宫式连接，使得该处不会出现扬尘，除尘罩上端开有吸风口，筒壁内产生的粉尘经过吸风口进入除尘器，以降低粉尘的含量。除尘罩侧面为防止钢珠的弹跳力与冲击力，因此内壁设有缓冲皮垫，并在中部设有观察孔，以便于停机时观察筒壁内料斗与衬板的磨损情况等等，下部设有出料口以便于物料被运输到下一个工段。
出料段下端是一级与二级钢珠分离部，该部的工作原理为头部按有电磁滚筒的输送带，由于电磁滚筒的作用，不含磁性的机制砂抛向第二级钢珠分离部，被电磁滚筒磁性作用吸住的钢珠直接进入到溜槽1，在第二级钢珠分离部的头部也是相同的一组电磁滚筒，已处理第一组滚筒中没有处理完毕的小钢珠与磨削产生的钢粉。并同时落入钢珠粒径控制溜槽2。在这两级钢珠与机制砂分离过后，成品机制砂进入下一个机制砂斗提提至下一工段。钢珠粒径控制溜槽中靠近前段为开长腰孔的钢珠粒径控制段。该段把质量磨损，粒径偏小的钢珠与钢粉分离到细钢珠地槽。把质量合格，粒径合格的粗钢珠送入钢珠斗提仓内，经过斗提提升到级配调整机进料口的混合料斗内进行循环破碎机制砂工作。第二级钢珠分离部把钢珠与机制砂完全分离后，成品机制砂进入成品料斗提打入下一级分选设备。
以此不断的循环生产，在该生产线中的钢珠基本上不产生浪费，筛选下来的细钢珠可以作为抛丸来分级利用，经过不断的磨损的钢珠具有优良的钢丸作用，是铸件表面处理的优良原料，被电磁滚筒回收的细小钢粉，也可以作为铸造原料进行重新利用。
实施例2：在实施例1的基础上，一种机制天然砂级配调整系统天然砂的制作方法，进料输送带1把需要调整级配的机制砂送入钢砂混合料斗2同时，塔式钢珠斗提机15通过进料溜槽16向钢砂混合料斗2添加钢珠，以上两种材料混合后进入机制砂级配调整机3，经过机制砂级配调整机3的不断旋转，在调整机中的步进式反击料斗38的不断提升与不断步进的工作下，机制砂不断的被破碎、碾磨，然后从机制砂级配调整机3出料口44不断送出机制天然砂，在出料口上部的除尘器吸风罩43的除尘孔45不断的把机制砂级配调整机3内部产生的粉尘吸走，机制砂级配调整机3出料口44下端是一级电磁钢砂分离器6钢珠分离部，该钢珠分离部的工作为头部按有电磁滚筒的输送带，由于电磁滚筒的作用，不含磁性的机制天然砂抛向第二级电磁钢砂分离器7分离部，被电磁滚筒磁性作用吸住的钢珠直接进入到钢珠出料溜槽9，在第二级钢珠分离部的头部也是相同的一组电磁滚筒，已处理第一组滚筒中没有处理完毕的小钢珠与磨削产生的钢粉，并同时落入钢珠粒径控制溜槽11，在这两级钢珠与机制砂分离过后，成品机制砂进入下一个机制砂斗提提至下一工段。
钢珠粒径控制溜槽11中靠近前段为开长腰孔的钢珠粒径控制段12，钢珠粒径控制段12把质量磨损，粒径偏小的钢珠与钢粉分离到细钢颗粒地槽13，把质量合格，粒径合格的粗钢珠送入粗钢颗粒地槽14的钢珠斗提仓内，经过斗提提升到级配调整机进料口的混合料斗内2进行循环破碎机制砂工作；第二级钢珠分离部把钢珠与机制砂完全分离后，成品机制天然砂进入混合成品砂地槽10且由成品斗式提升机8中的成品料斗提打入下一级分选设备。
该钢珠与需要调整的机制砂共同进入机制砂级配调整机3，机制砂级配调整机3的滚动带动步进式料斗38不断的做提升倒料运动，钢珠与需要调整的机制砂同时被提升到顶端，并同时下落，处于下部的反击式步进料斗本身材质为高锰钢，钢珠下落到反击表面时即可以击打反击面上的需要调整的机制砂，又可以经过反弹而击打相邻反击面上的机制砂，并且由于机制砂级配调整机3的筒壁在不停的旋转，下部堆积的机制砂与钢珠的混合物不断的被击打，滚动磨削，又被下一级斗提提升到顶端而重复做下落，被击打，磨削，步进的工序，以此来降低机制砂的细度模数，并在滚动当中把机制砂的菱角磨去，使机制砂级配调整机3既达到降低细度模数的作用，也达到了调整细小机制砂的粒型作用，使得调整之后的成品机制砂能达到天然砂的品质。钢珠可以是成品的钢筋切头也可以是建筑废弃的螺纹钢切头来制作，只要该切头具备一定质量，从高端落下后能够起到打击作用即可。机制砂级配调整机3的动力采用变频调整转速，通过筒壁的不同转速来控制产成品的细度模数。
需要理解到的是：上述实施例虽然对本发明的设计思路作了比较详细的文字描述，但是这些文字描述，只是对本发明设计思路的简单文字描述，而不是对本发明设计思路的限制，任何不超出本发明设计思路的组合、增加或修改，均落入本发明的保护范围内。

Claims (18)

1、一种机制天然砂级配调整系统，其特征是：进料传送输送带(1)出料端直对钢砂混合料斗(2)进料口，钢砂混合料斗(2)通过钢珠进料溜槽(16)与塔式钢珠斗提机(15)出料口相对，塔式钢珠斗提机(15)底端位于粗钢颗料地槽(14)内，钢砂混合料斗(2)出料口与机制砂级配调整机(3)进料口连通，机制砂级配调整机(3)吸尘罩(5)通过输送管与除尘器(4)连通，机制砂级配调整机(3)出料口与出料传送输送带(17)进料端相对，出料传送输送带(17)出料端上方设有一级电磁钢砂分离器(6)且一级电磁钢砂分离器(6)出料口通过钢珠出料溜槽(9)与钢珠粒径控制溜槽(11)槽面相对，钢珠粒径控制溜槽(11)的槽面设有钢珠粒径控制段(12)且钢珠粒径控制段(12)下面直对细钢颗粒地槽(13)，钢珠粒径控制段(12)出料端直对粗钢颗粒地槽(14)进料口，出料传送输送带(17)出料端直对成品料传送输送带(18)，成品料传送输送带(18)出料端上方设有二级电磁钢砂分离器(7)且二级电磁钢砂分离器(7)出料口直对钢珠粒径控制溜槽(11)，成品料传送输送带(18)出料端直对混合成品砂地槽(10)，成品斗式提升机(8)下端位于混合成品砂地槽(10)内。
2、根据权利要求1所述的机制天然砂级配调整系统，其特征是：钢珠粒径控制溜槽(11)为分选筛。
3、根据权利要求1所述的机制天然砂级配调整系统，其特征是：机制砂级配调整机(3)由动力源(31)、第二导料衬板(32)、第一导料衬板(33)、进料口耐磨圈(34)、进料口端衬板(35)、进料口壳(36)、大滚圈(37)、步进式反击料斗(38)、第一缓冲衬板(39)、第二缓冲衬板(40)和除尘罩(43)构成；滚筒两端部分别套有大滚圈(37)，大滚圈(37)位于动力源(31)上，除尘罩(43)套在滚筒一端，进料口耐磨圈(34)、进料口端衬板(35)和进料口壳(36)构成进料口，多只步进式反击料斗(38)以三排或者多排为一组且采用步进式结构分布在滚筒内壁上，同组的每排步进式反击料斗(38)都错位排布，第二导料衬板(32)、第一导料衬板(33)和第一缓冲衬板(39)、第二缓冲衬板(40)分别分布在多组步进料斗两端。
4、根据权利要求3所述的机制天然砂级配调整系统，其特征是：多排为一组步进式排布时，第二组料斗与第一组料斗错位半个料斗位置，同样第三组料斗与第二组料斗也是错位半个料斗，即在筒壁转动一圈，第一组料斗中的物料有一半进入第二组，并且又从入料口中提取了新的物料，以此转动不断的朝着出料口运动。
5、根据权利要求3所述的机制天然砂级配调整系统，其特征是：除尘罩(43)内壁置有缓冲皮垫(41)。
6、根据权利要求3所述的机制天然砂级配调整系统，其特征是：除尘罩(43) 端面开有观察孔且观察孔上置有观察盖(42)。
7、根据权利要求3所述的机制天然砂级配调整系统，其特征是：机制砂级配调整机(3)的动力采用变频调整转速。
8、根据权利要求3所述的机制天然砂级配调整系统，其特征是：步进式反击料斗(38)为固定壁式梯形斗，固定壁上端壁横向焊有反击齿条(381)，固定壁式梯形斗的提斗腔(384)的部分腔口上焊有第一反击面板(382)，固定壁式梯形斗前斗面为第二反击面板(383)，固定壁式梯形斗背面为装配面板(385)。
9、根据权利要求3所述的机制天然砂级配调整系统，其特征是：反击式步进料斗本身材质为高锰钢。
10、根据权利要求3所述的机制天然砂级配调整系统，其特征是：反击齿条(38)截面呈梯形。
11、根据权利要求3所述的机制天然砂级配调整系统，其特征是：缓冲衬板(39)由弧形板(391)和多根斜齿条(392)构成，多根斜齿条(392)等间距焊接在弧形板(391)上。
12、根据权利要求3所述的机制天然砂级配调整系统，其特征是：进料口端衬板(35)由扇形板(351)和多根齿条(352)构成，多根齿条(352)放射间距焊接在扇形板(351)上。
13、根据权利要求3所述的机制天然砂级配调整系统，其特征是：导料衬板(32)由弧形板(321)和多根齿条(322)构成，多根齿条(322)间距焊接在弧形板(321)上。
14、一种机制天然砂级配调整系统天然砂的制作方法，其特征是：进料输送带(1)把需要调整级配的机制砂送入钢砂混合料斗(2)同时，塔式钢珠斗提机(15)通过进料溜槽(16)向钢砂混合料斗(2)添加钢珠，以上两种材料混合后进入机制砂级配调整机(3)，经过机制砂级配调整机(3)的不断旋转，在调整机中的步进式反击料斗(38)的不断提升与不断步进的工作下，机制砂不断的被破碎、碾磨，然后从机制砂级配调整机(3)出料口不断送出机制天然砂，在出料口上部的除尘器吸风罩(43)不断的把机制砂级配调整机(3)内部产生的粉尘吸走，机制砂级配调整机(3)出料口下端是一级电磁钢砂分离器(6)钢珠分离部，该钢珠分离部的工作为头部按有电磁滚筒的输送带，由于电磁滚筒的作用，不含磁性的机制天然砂抛向第二级电磁钢砂分离器(7)分离部，被电磁滚筒磁性作用吸住的钢珠直接进入到钢珠出料溜槽(9)，在第二级钢珠分离部的头部也是相同的一组电磁滚筒，已处理第一组滚筒中没有处理完毕的小钢珠与磨削产生的钢粉，并同时落入钢珠粒径控制溜槽(11)，在这两级钢珠与机制砂分离过后，成品机制砂进入下一个机制砂斗提提至下一工段。
15、根据权利要求14所述的机制天然砂级配调整系统天然砂的制作方法，其特征是：钢珠粒径控制溜槽(11)中靠近前段为开长腰孔的钢珠粒径控制段(12)，钢珠粒径控制段(12)把质量磨损，粒径偏小的钢珠与钢粉分离到细钢颗粒地槽(13)，把质量合格，粒径合格的粗钢珠送入粗钢颗粒地槽(14)的钢珠斗提仓内，经过斗提提升到级配调整机进料口的混合料斗内(2)进行循环破碎机制砂工作；第二级钢珠分离部把钢珠与机制砂完全分离后，成品机制天然砂进入混合成品砂地槽(10)且由成品斗式提升机(8)中的成品料斗提打入下一级分选设备。
16、根据权利要求14所述的机制天然砂级配调整系统天然砂的制作方法，其特征是：钢珠与需要调整的机制砂共同进入机制砂级配调整机(3)，机制砂级配调整机(3)的滚动带动步进式料斗(38)不断的做提升倒料运动，钢珠与需要调整的机制砂同时被提升到顶端，并同时下落，处于下部的反击式步进料斗本身材质为高锰钢，钢珠下落到反击表面时即可以击打反击面上的需要调整的机制砂，又可以经过反弹而击打相邻反击面上的机制砂，并且由于机制砂级配调整机(3)的筒壁在不停的旋转，下部堆积的机制砂与钢珠的混合物不断的被击打，滚动磨削，又被下一级斗提提升到顶端而重复做下落，被击打，磨削，步进的工序，以此来降低机制砂的细度模数，并在滚动当中把机制砂的菱角磨去，使机制砂级配调整机(3)既达到降低细度模数的作用，也达到了调整细小机制砂的粒型作用，使得调整之后的成品机制砂能达到天然砂的品质。
17、根据权利要求14-16所述的机制天然砂级配调整系统天然砂的制作方法，其特征是：钢珠可以是成品的钢筋切头也可以是建筑废弃的螺纹钢切头来制作，只要该切头具备一定质量，从高端落下后能够起到打击作用即可。
18、根据权利要求14-16所述的机制天然砂级配调整系统天然砂的制作方法，其特征是：机制砂级配调整机(3)的动力采用变频调整转速，通过筒壁的不同转速来控制产成品的细度模数。
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