CN108500819A - A kind of concrete or asphalt aggregate particle shape decorating device - Google Patents
A kind of concrete or asphalt aggregate particle shape decorating device Download PDFInfo
- Publication number
- CN108500819A CN108500819A CN201810288181.0A CN201810288181A CN108500819A CN 108500819 A CN108500819 A CN 108500819A CN 201810288181 A CN201810288181 A CN 201810288181A CN 108500819 A CN108500819 A CN 108500819A
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- CN
- China
- Prior art keywords
- particle shape
- storehouse
- aggregate
- concrete
- decorating device
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- 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.)
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/06—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor involving oscillating or vibrating containers
-
- 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/04—Stationary flat screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B31/00—Machines or devices designed for polishing or abrading surfaces on work by means of tumbling apparatus or other apparatus in which the work and/or the abrasive material is loose; Accessories therefor
- B24B31/12—Accessories; Protective equipment or safety devices; Installations for exhaustion of dust or for sound absorption specially adapted for machines covered by group B24B31/00
-
- C—CHEMISTRY; METALLURGY
- C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
- C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/02—Treatment
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Ceramic Engineering (AREA)
- Mechanical Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- Organic Chemistry (AREA)
- Disintegrating Or Milling (AREA)
Abstract
The invention discloses a kind of concrete or asphalt aggregate particle shape decorating devices, including feed bin and blender.The feed bin is divided into particle shape modification storehouse and collecting bin by material baffle, and the blender is spiral agitator, is vertically placed in particle shape modification storehouse.Particle shape is modified and is equipped with several metal grinding balls in storehouse, and the upper lateral part in particle shape modification storehouse sets feed inlet.Uniformly distributed blanking hole in the material baffle plate face；The collecting bin bottom sets out material mouth.Apparatus of the present invention, simple in structure, easy to install and use, energy consumption is small, can be effectively improved aggregate particle shape, eliminates corner angle.In use, the aggregate modification time can be controlled, is avoided aggregate damage is broken.Coordinate with screening machine, allows continuous production operation.
Description
Technical field
The present invention relates to a kind of concrete or asphalt aggregate processing device, specifically a kind of concrete or
Asphalt aggregate particle shape decorating device.
Background technology
Aggregate is the main materials for preparing asphalt and cement concrete, and wherein aggregate accounts for volume of concrete and quality
3/4 or more, characteristic has important shadow to the mechanical property and durability of fresh concrete rheological property, maturing
It rings.Particle shape characteristic has a significant impact to aggregate characteristics, it is considered that and the grain shape of coarse aggregate is optimal with ball or cube, with
The increase of gill shape coarse aggregate content will increase the voidage and specific surface area of accumulation aggregate, thus aggregate table easy to increase
The water absorption in face, and then the mobility of fresh concrete is influenced, cause concrete workability to be deteriorated, is unfavorable for pumping and construction.
Gill shape aggregate easily aligns in the mixing of concrete and vibration processes simultaneously, and the intensity of concrete can be caused to drop in this way
It is low.Therefore the needle of coarse aggregate, sheet-like particle content should control in a certain range.For fine aggregate, the shape of particle is to compact reactor
It accumulates in great influence, more it is expected to obtain round particle in practical application, it not only contributes to tightly packed, is more advantageous to
The performance of working performance of concrete.Therefore the seamed edge and wedge angle of fine aggregate particle should be reduced to the greatest extent.
As urbanization process is accelerated, cobble is depleted, and in this case, concrete coarse aggregate, first choice is
Rubble.The main source of fine aggregate has artificial sand and river sand and sea sand.Although river sand and sea sand modulus and grading are all more managed
Think, but since natural sand is a kind of non-renewable natural resources, a large amount of exploitations of natural sand have been made in many places
At the destruction to environment and ecology, some local natural resources have faced exhaustion.Existing country has prohibited the digging of Congjiang korneforos
Thus sand also results in the anxiety in sand source.Artificial sand comes into being as the substitute of natural sand, and rapidly develops.
However when preparing concrete, the use of rubble and artificial sand shows a notable problem.Cobble and natural
Sand grains has the surface of substantially spherical shapes and relative smooth.Rubble and artificial sand are often crushed by mechanical equipment, to generate
Shape with corner angle form or gill shape with wedge angle.For controlling rheological characteristic in concrete, in water demand side and can
For finishing property, the smooth contour that rubble compares natural aggregate with artificial sand is very unfavorable.
Based on above-mentioned realistic situation, how efficient needle in rubble, sheet-like particle content and the removal artificial sand of reducing
Corner angle shape becomes the current demand for preparing concrete or asphalt.
Invention content
Technical problem to be solved by the present invention lies in customer service defect of the existing technology provides a kind of concrete
Or asphalt aggregate particle shape decorating device.The device of the invention can effectively weaken the protrusion corner angle of aggregate, reduce aggregate
Flat-elongated particles content, to the maximum extent keep aggregate original grain size, make its performance close to natural aggregate, to improve
Workability, intensity, the durability of fresh concrete.
In order to achieve the above-mentioned object of the invention, the technical solution proposed is the present invention：A kind of concrete or asphalt
Aggregate particle shape decorating device, including feed bin and blender.It is characterized in that：The feed bin is that double storehouses are designed, and is divided by material baffle
Particle shape modifies storehouse and collecting bin, and the collecting bin is located under particle shape modification storehouse.The blender is spiral agitator, is vertically set
In in particle shape modification storehouse.Particle shape is modified and is equipped with several metal grinding balls in storehouse, and the upper lateral part in particle shape modification storehouse sets feed inlet.It is described every
Uniformly distributed blanking hole in flitch plate face（Comb hole）.The collecting bin bottom sets out material mouth.
The particle shape modification is provided with bearing block at the top of storehouse, and motor-driven speed changer, the spiral shell are set above bearing block
Rotation blender is taken by bearing mounted on bearing, and connects transmission power output shaft.
Another improvement project is：Particle shape modification storehouse is the barrel shape being laterally arranged, and the top in particle shape modification storehouse is set
Feed inlet, particle shape modification storehouse lower openings are simultaneously docked with collecting bin, and opening sets the material baffle.The blender（It can select
Non-helical blender is selected, spiral agitator can also be selected）It is horizontally set on particle shape modification storehouse axis.
The bottom of the collecting bin is funnel shaped.
The surface of the metal grinding ball uniformly spreads all over several protrusions.These metal grinding balls with protrusion, increase and aggregate
Effective skin friction, convenient for using extruding, crumple, mill, shear the effects that, weaken the protrusion corner angle of aggregate, reduce aggregate
Flat-elongated particles content obtains the preferable aggregate of particle shape.
The metal grinding ball is steel abrading-ball.
The diameter of the metal grinding ball is more than the diameter of the material baffle blanking hole.So that the aggregate after modifying can be into
Enter collecting bin, and steel ball is then retained in particle shape modification storehouse.Collecting bin can control the particle shape modification time, temporarily store particle shape and repair
Aggregate after decorations.
Concrete or asphalt aggregate particle shape decorating device of the present invention, pending aggregate enter particle shape by feed inlet
After modifying storehouse, bone is made to drive steel ball movement agitation aggregate by the stirring induced effect of blender in particle shape modification storehouse
Expect mutually to squeeze friction between particle, to make flat-elongated particles be broken off into small regular particle shape, the sharp edges of material particles
Angle is worn, and it is full, smooth mellow and full that material particles become particle shape.By resistance to crushing energy, the faller gill of pending aggregate
The content of shape particle determines the best modification time T of aggregate, to reduce since excessive mechanical collision causes aggregate
Damage is broken.While improving flat-elongated particles particle shape, original grain size of aggregate is maintained to the maximum extent, to
Improve workability, intensity, the durability of fresh concrete.Collecting bin can temporarily store the aggregate after modification, and collecting bin lower part goes out
Material mouth can connect screening machine, while releasing aggregate after modifying（Blowing amount is V2）, it is added by production requirement by feed inlet
Particle shape aggregate to be finished.At the time point every t, the inventory of charging and discharging is V2, and keep synchronizing.
While screening machine sieves aggregate, aggregate particle shape decorating device continues to modify aggregate particle shape, to realize the company of moving in circles
Continuous operation.
Apparatus of the present invention in use, in order to optimize particle shape modification effect, concrete processing procedure is as follows：
1）Determine performance parameter：The best of aggregate is determined by the content of the resistance to crushing energy of pending aggregate, flat-elongated particles
Time T is modified, according to screening machine performance parameter, determines the volume V of screening machine single screening aggregate2With sieving time t（That is blowing
Time interval）, the total volume that particle shape modifies material in storehouse is V1,。
2）Charging：Total volume V is added by production requirement by feed inlet1Pending aggregate.
3）Particle shape is modified：Start blender and stir aggregate, mixing time T, the aggregate after stirring enters collection across comb hole
Feed bin.
4）Discharging：At the time point every t, by V in collecting bin2The aggregate of volume is added screening machine and is sieved to it；
5）Charging：While blowing, pending aggregate, the inventory of charging and discharging are added by production requirement by feed inlet
It is V2, and keep synchronizing.While screening machine sieves, aggregate particle shape decorating device continues to stir aggregate, to realize cycle
Back and forth work continuously.
Apparatus of the present invention, simple in structure, easy to install and use, energy consumption is small, can be effectively improved aggregate particle shape, eliminates rib
Angle.It is the abrading-ball that surface carries several protrusions by the abrading-ball improvement and design of traditional smooth surface, increases effective skin friction, convenient for profit
With extruding, crumple, mill, shear the effects that, flat-elongated particles are fractureed into small regular particle shape, the sharp corners of material particles
It is worn, it is full, smooth mellow and full that material particles become particle shape.It realizes the modification of aggregate particle shape, so that it is tended to be spherical, meet concrete
The performance requirement of aggregate.
Apparatus of the present invention in use, can control the aggregate modification time, avoid aggregate damage is broken.By waiting for
The resistance to crushing energy of the aggregate of reason, the content of flat-elongated particles determine the best modification time T of aggregate.According to
Screening machine performance parameter determines the volume V of screening machine single screening aggregate2With sieving time t（That is blowing time interval）, charging
The total volume of mouth charging is V1,, by controlling throat-fed total volume V1, the control aggregate particle shape modification time
T, to reduce since excessive mechanical collision causes the damage of aggregate broken.It is maximum while improving flat-elongated particles particle shape
The original grain size for maintaining to limit aggregate, is unlikely to make the grain size of aggregate smaller and smaller, reaches best modification effect.
Apparatus of the present invention can coordinate with screening machine, continuous production operation.The discharge port connection sieve of the collecting bin bottom
Extension set.Screening machine is added in the aggregate of certain mass after particle shape is modified, while the mixed of same volume is added by feed inlet
Solidifying soil aggregate.While screening machine sieves aggregate, aggregate particle shape decorating device continues to stir aggregate
It mixes, to realize and screening machine continuous production operation.Screening machine is to treated aggregate screening, the material screen that can will fall short of specifications point
Out, convenient follow-up use.
Description of the drawings
Fig. 1 is concrete or asphalt aggregate particle shape decorating device structural schematic diagram of the present invention.
Fig. 2 is the plan view of material baffle in Fig. 1.
Fig. 3 is the structural schematic diagram of the metal grinding ball.
Fig. 4 is concrete or asphalt aggregate particle shape decorating device of the present invention（Second technical solution）Structural representation
Figure.
Specific implementation mode
With reference to embodiment, the invention will be further described.
Embodiment 1
Shown in FIG. 1 is the concrete of technical solution one proposed by the present invention or asphalt aggregate particle shape decorating device, packet
Include feed bin and blender 6.The feed bin is vertically arranged barrel-shaped feed bin, is designed for double storehouses, is divided into particle shape by material baffle 7
Modify storehouse 5 and collecting bin 8.The collecting bin 8 is located under particle shape modification storehouse 5.The blender 7 is spiral agitator, vertically
It is placed in particle shape modification storehouse, on vertical pivot center line.Particle shape is modified and is equipped with several metal grinding balls in storehouse, and particle shape is modified on the side in storehouse
Portion sets feed inlet 4.Uniformly distributed blanking hole in 7 plate face of the material baffle（Comb hole）.The bottom of the collecting bin 8 is infundibulate
The bottom of shape, funnel is discharge port 9.Entire feed bin is placed in by frame structure fixation on concrete pedestal 10.
Bearing block 3 is provided on the head cover in particle shape modification storehouse 5, particle shape modifies the top setting speed changer 2 and electricity in storehouse 5
Machine 1 sets belt pulley on motor shaft（Driving wheel）, the power input shaft of speed changer sets belt pulley（Driven wheel）, motor passes through belt
Power is provided for speed changer.The spiral agitator 6 is mounted on bearing by bearing and sits on 3, and the power for connecting speed changer 3 is defeated
Shaft.The present invention can also select motor by chain sprocket or gear manner to speed changer passing power.
The metal grinding ball uses steel abrading-ball, and surface uniformly spreads all over several protrusions.These metal mills with protrusion
Ball, increase with the effective skin friction of aggregate, convenient for using extruding, crumple, mill, shear the effects that, weaken the protrusion rib of aggregate
The flat-elongated particles content of aggregate is reduced at angle, obtains the preferable aggregate of particle shape.The diameter of metal grinding ball be more than it is described every
The diameter of flitch blanking hole.So that the aggregate after modifying can enter collecting bin, and steel ball is then retained in particle shape modification storehouse.
Collecting bin can control the particle shape modification time, temporarily store the aggregate after particle shape modification.
（1）Experiment raw material
Aggregate is divided into two parts, is denoted as S1 and S2 respectively.S2 is used to the concrete or asphalt aggregate of the present embodiment
Particle shape decorating device carries out particle shape modification to it.Mesh analysis, apparent density, water absorption rate, the accumulation for measuring S1 and S2 respectively are close
Degree, crush values and needle, sheet-like particle content.
（2）The test method of aggregate properties
Mesh analysis, apparent density, water absorption rate, bulk density, crush values and the needle of aggregate, sheet-like particle content, equal foundation
JGJ52—2006《Regular concrete sand stone quality and test method standard》It measures, the data measured are shown in Table 1.
（3）The physico-mechanical properties of aggregate S1 and S2
The physico-mechanical properties of table 1 S1 and S2
| Sample number | Mesh analysis（%） | Apparent density（） | Water absorption rate（%） | Bulk density（） | Crush values（%） | Needle, sheet-like particle content（%） |
| S1 | 17.2 | 2380 | 8.34 | 2380 | 17.2 | 19.5 |
| S2 | 7.1 | 2820 | 2.53 | 2820 | 7.1 | 8.7 |
Embodiment 2
It is essentially identical with embodiment, except that：As shown in figure 4, particle shape modification storehouse is the barrel shape being laterally arranged,
The top in particle shape modification storehouse sets feed inlet, and particle shape modification storehouse lower openings are simultaneously docked with collecting bin, and opening sets the material baffle.
The blender is horizontally set on particle shape modification storehouse axis.The blender can select spiral agitator（As shown in Figure 4）,
Non-helical blender can also be selected.
Claims (7)
1. a kind of concrete or asphalt aggregate particle shape decorating device, including feed bin and blender；It is characterized in that：The material
Storehouse is divided into particle shape modification storehouse and collecting bin by material baffle, and the collecting bin is located under particle shape modification storehouse；The blender is
Spiral agitator is vertically placed in particle shape modification storehouse；Particle shape is modified and is equipped with several metal grinding balls in storehouse, and particle shape is modified on the side in storehouse
Portion sets feed inlet；Uniformly distributed blanking hole in the material baffle plate face；The collecting bin bottom sets out material mouth.
2. concrete or asphalt aggregate particle shape decorating device according to claim 1, it is characterized in that：The particle shape is repaiied
It is provided with bearing block at the top of decorations storehouse, sets motor-driven speed changer above bearing block, the spiral agitator is pacified by bearing
It is taken mounted in bearing, and connects transmission power output shaft.
3. concrete or asphalt aggregate particle shape decorating device according to claim 1, it is characterized in that：The particle shape is repaiied
Decorations storehouse be the barrel shape being laterally arranged, and the top in particle shape modification storehouse sets feed inlet, particle shape modify storehouse lower openings and with gather materials
Storehouse is docked, and opening sets the material baffle；The blender is horizontally set on particle shape modification storehouse axis.
4. according to the concrete of claim 1,2 or 3 or asphalt aggregate particle shape decorating device, it is characterized in that：It is described
The bottom of collecting bin is funnel shaped.
5. according to the concrete of claim 1,2 or 3 or asphalt aggregate particle shape decorating device, it is characterized in that：It is described
The surface of metal grinding ball uniformly spreads all over several protrusions.
6. concrete or asphalt aggregate particle shape decorating device according to claim 5, it is characterized in that：The metal mill
Ball is steel abrading-ball.
7. according to the concrete of claim 1,2 or 3 or asphalt aggregate particle shape decorating device, it is characterized in that：It is described
The diameter of metal grinding ball is more than the diameter of the material baffle blanking hole.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288181.0A CN108500819A (en) | 2018-04-03 | 2018-04-03 | A kind of concrete or asphalt aggregate particle shape decorating device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810288181.0A CN108500819A (en) | 2018-04-03 | 2018-04-03 | A kind of concrete or asphalt aggregate particle shape decorating device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108500819A true CN108500819A (en) | 2018-09-07 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810288181.0A Pending CN108500819A (en) | 2018-04-03 | 2018-04-03 | A kind of concrete or asphalt aggregate particle shape decorating device |
Country Status (1)
| Country | Link |
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| CN (1) | CN108500819A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368642A (en) * | 2018-11-27 | 2019-02-22 | 中国矿业大学 | A method of promoting fresh concrete absorbing carbon dioxide efficiency |
| CN109719594A (en) * | 2019-01-11 | 2019-05-07 | 安徽皖精模具科技有限公司 | Burnishing device is used in a kind of preparation of housing of TV set plastic mould |
| CN110103129A (en) * | 2019-06-27 | 2019-08-09 | 南京银雷精密机械制造有限公司 | A kind of bearing husky formula polishing machine and its polishing method |
| CN113601397A (en) * | 2021-10-08 | 2021-11-05 | 常州市名流干燥设备有限公司 | Polishing paste conveying device for semiconductor wafer drying |
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| CN204746450U (en) * | 2015-05-25 | 2015-11-11 | 四川省江油市蜀玉实业有限公司 | Calcite powder abrasive material device |
| CN206476898U (en) * | 2017-02-06 | 2017-09-08 | 锡林浩特市兴建新型建筑材料有限责任公司 | A kind of grinding device for aerated coal ash concrete building block |
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| EP3398685A1 (en) * | 2017-05-05 | 2018-11-07 | MAIREC Edelmetallgesellschaft mbH | Device for comminuting material |
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| CN204523108U (en) * | 2015-04-13 | 2015-08-05 | 梅县梅雁旋窑水泥有限公司 | A kind of cement producting material sanding apparatus |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109368642A (en) * | 2018-11-27 | 2019-02-22 | 中国矿业大学 | A method of promoting fresh concrete absorbing carbon dioxide efficiency |
| CN109719594A (en) * | 2019-01-11 | 2019-05-07 | 安徽皖精模具科技有限公司 | Burnishing device is used in a kind of preparation of housing of TV set plastic mould |
| CN109719594B (en) * | 2019-01-11 | 2020-08-11 | 安徽皖精模具科技有限公司 | Burnishing device is used in preparation of TV set shell plastic mold |
| CN110103129A (en) * | 2019-06-27 | 2019-08-09 | 南京银雷精密机械制造有限公司 | A kind of bearing husky formula polishing machine and its polishing method |
| CN113601397A (en) * | 2021-10-08 | 2021-11-05 | 常州市名流干燥设备有限公司 | Polishing paste conveying device for semiconductor wafer drying |
| CN113601397B (en) * | 2021-10-08 | 2022-02-15 | 常州市名流干燥设备有限公司 | Polishing paste conveying device for semiconductor wafer drying |
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Application publication date: 20180907 |
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