CN110420850A - The preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used - Google Patents
The preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used Download PDFInfo
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- CN110420850A CN110420850A CN201910840590.1A CN201910840590A CN110420850A CN 110420850 A CN110420850 A CN 110420850A CN 201910840590 A CN201910840590 A CN 201910840590A CN 110420850 A CN110420850 A CN 110420850A
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- made sand
- sand
- negative pressure
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- 239000004576 sand Substances 0.000 title claims abstract description 87
- 238000012216 screening Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims abstract description 29
- 238000002360 preparation method Methods 0.000 title claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 32
- 239000002245 particle Substances 0.000 claims abstract description 12
- 238000009434 installation Methods 0.000 claims abstract description 7
- 238000009827 uniform distribution Methods 0.000 claims description 8
- 238000005303 weighing Methods 0.000 claims description 7
- 238000003860 storage Methods 0.000 claims description 6
- 238000004519 manufacturing process Methods 0.000 abstract description 9
- 239000011236 particulate material Substances 0.000 abstract description 2
- 238000005406 washing Methods 0.000 abstract description 2
- 239000004567 concrete Substances 0.000 description 8
- 230000000694 effects Effects 0.000 description 3
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 239000004744 fabric Substances 0.000 description 2
- 239000004574 high-performance concrete Substances 0.000 description 2
- 239000004570 mortar (masonry) Substances 0.000 description 2
- 239000011148 porous material Substances 0.000 description 2
- 238000004513 sizing Methods 0.000 description 2
- 239000004566 building material Substances 0.000 description 1
- 230000015271 coagulation Effects 0.000 description 1
- 238000005345 coagulation Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 229910052742 iron Inorganic materials 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 239000002689 soil Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Classifications
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/02—Arrangement of air or material conditioning accessories
-
- 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
- B07B11/00—Arrangement of accessories in apparatus for separating solids from solids using gas currents
- B07B11/06—Feeding or discharging arrangements
-
- 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
- B07B4/00—Separating solids from solids by subjecting their mixture to gas currents
- B07B4/02—Separating solids from solids by subjecting their mixture to gas currents while the mixtures fall
Landscapes
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a kind of preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used, the following steps are included: a sorts the 5mm partial size sandstone that is less than of acquisition, tank is divided to store according to particle size range size, the particle size range of each tank gravel is respectively 5 >=A tank > 2.36;2.36 >=B tank > 1.18;1.18 >=C tank > 0.6;0.6 >=D tank > 0.3;0.3 >=E tank > 0.15;0.15 >=F tank > 0.075;0.075 > >=G tank > 0, the partial size unit are mm；Be arranged measuring equipment, by the different-grain diameter sandstone obtained in a choose as needed wherein A, B, C, D, E, F, G mono- or several mixed according to different proportion.The present invention used during sand processed multistage broken, washing, screening and etc. supplied materials sandstone is machined to 5mm or less, the Machine-made Sand of different-grain diameter is divided into 7 class particulate materials by partial size using screening installation simultaneously, when needing Machine-made Sand in this way, according to customer requirement, every kind of partial size is mixed by different measuring equipments in different ratios, the production of realization mechanism sand continuous grading or gap gradation production, can meet all kinds of client's needs.
Description
Technical field
The present invention relates to building material technical fields, preparation method and its negative pressure used more particularly to a kind of Machine-made Sand
Method Machine-made Sand multi-stage screening equipment.
Background technique
With the continuous development of China's economy, various large-scale construction engineerings gradually increase, and get over to the performance requirement of concrete
Come higher, and sandstone, as the highest raw material of accounting in concrete, performance directly influences the work of high performance concrete
Property, mechanical property and durability.In existing Important Project, special concrete or extraordinary mortar and high performance concrete are different
The sand of the concrete of purposes must just can guarantee its performance using natural sand.Natural sand has been faced as non-renewable resources
The exploitation of exhaustion, natural sand does great damage to environment, brings a series of environmental issues, is replaced using high-quality fine work sand natural
Sand prepares the important requirement and trend that concrete has become social development.
Machine-made Sand domestic at present be all the Machine-made Sand gradation that is produced using multistage crumbling method, but produced with
The difference of crushing plant and gradation difference causes concrete performance cannot be guaranteed greatly.Because the classification of sandstone mostly uses screening, cause
The adjustment range is small to gradation for same production line, can only be finely adjusted, and cannot accomplish arbitrarily to adjust, at the same using screening plant into
Row classification, with duration is used, sieve pore can become larger sieve, cause sand material partial size inconsistent, affect greatly to gradation, and
Also the machine of can not carrying out back re-starts screening to the Machine-made Sand produced, and substandard product is caused to dispatch from the factory, to making concrete quality wave
It is dynamic big, influence structural quality.Special concrete or mortar, the Machine-made Sand needed are the particle of wherein certain several partial size, and
Existing production technology Machine-made Sand produced is continuous grading, and the Machine-made Sand of this continuous grading is not able to satisfy extraordinary coagulation
The requirement of gap gradation needed for soil or sand.
Summary of the invention
In view of this, the machine of customer requirement can be made the object of the present invention is to provide a kind of preparation method of Machine-made Sand
Sand processed, while any adjustment can be accomplished to Machine-made Sand produced, prevent the appearance of rejected product.
The purpose of the present invention is what is be achieved through the following technical solutions: a kind of preparation method of Machine-made Sand includes following step
It is rapid:
A kind of preparation method of Machine-made Sand the following steps are included:
A sorts the 5mm partial size sandstone that is less than of acquisition, is divided tank to store according to particle size range size, each tank sand
The particle size range of gravel is respectively 5 >=A tank > 2.36;2.36 >=B tank > 1.18;1.18 >=C tank > 0.6;0.6 >=D tank
> 0.3;0.3 >=E tank > 0.15;0.15 >=F tank > 0.075;0.075 > >=G tank > 0, the partial size unit are mm；
B by the different-grain diameter particle obtained in a by measuring equipment, choose wherein A, B, C, D, E, F, G mono- or several according to difference
Ratio is mixed.
The preparation method of Machine-made Sand above-mentioned is that the screening installation is negative pressure method Machine-made Sand multi-stage screening equipment, point
The discharge port of optional equipment is connect with the A-G tank of storage sandstone.
The preparation method of Machine-made Sand above-mentioned is that this method is that discharge is being arranged by the A-G tank lower end of partial size storage sandstone
And weighing device, while selecting control to store one or several tanks weighing discharge in the A-G tank of sandstone according to customer demand, it will
Sandstone carries out being mixed in one according to the ratio of customer requirement, is mixed by proportioner.
A kind of negative pressure method Machine-made Sand multi-stage screening equipment, it includes the hollow cavity for material wind selection, in hollow cavity
Top is equipped with Machine-made Sand feed inlet, is equipped with air inlet in the side wall of hollow cavity, above hollow cavity or side wall is equipped with outlet air
Mouthful, cleaner is connected on air outlet；It is equipped with discharge port in the lower section of hollow cavity, connection is there are three more than on discharge port
Subregion plate, three or more the subregion plates press air inlet air inlet direction arrangement；Three or more subregion plates are separated to form four
A above classification receiving vat.
Negative pressure method Machine-made Sand multi-stage screening equipment above-mentioned is that the subregion plate is evenly arranged, in each classification rewinding
The sand material adjustable plate of adjustable angle is equipped with above slot.
Negative pressure method Machine-made Sand multi-stage screening equipment above-mentioned is that the wind direction adjusting plate of adjustable angle is equipped on air inlet.
Negative pressure method Machine-made Sand multi-stage screening equipment above-mentioned is that the lower section of Machine-made Sand feed inlet is equipped with energy in hollow cavity
The evenly dispersed uniform distribution device of the Machine-made Sand to cause to fall and break.
Negative pressure method Machine-made Sand multi-stage screening equipment above-mentioned is that the section of the subregion plate is triangle, quantity five
It is a.
Negative pressure method Machine-made Sand multi-stage screening equipment above-mentioned is that the uniform distribution device includes access plate, access plate
It is in tilted layout in the lower section of Machine-made Sand feed inlet, the sub-material piece of triangular shape is equipped on access plate；The access plate is equipped with
Mesh, the mesh are gradually increased from blanking end to discharge end aperture.
Compared with the prior art, the present invention used during sand processed multistage broken, washing, screening and etc. in the future
Material sand is machined to 5mm hereinafter, the Machine-made Sand of different-grain diameter is divided into 7 class particulate materials by partial size using screening installation simultaneously, in this way
When needing Machine-made Sand, according to customer requirement, every kind of partial size is mixed by different measuring equipments in different ratios, real
Existing Machine-made Sand continuous grading production or gap gradation production, can meet all kinds of client's needs.
When dispensing by partial size to Machine-made Sand, negative pressure method Machine-made Sand multi-stage screening equipment is selected, such sorting is set
It is standby to wear the risk to become larger to avoid sieve pore, improve sorting precision.
Compared with the prior art, the present invention is by opening up feed inlet, discharge port in a hollow cavity upper and lower end, left and right
Air inlet and air outlet is arranged in two sides, the cutting plate of three pieces of setting or more below discharge port, under material identical in this way, partial size it is different
Material be affected by the wind when being fallen by top, varigrained material is blown to different discharge port positions, realizes multistage sieve
Point, not only have the advantages that structure is simple, and have the advantages that energy consumption is low, be able to achieve multistage multistage partial size screening.
Subregion plate is evenly arranged, have the advantages that in this way it is easy to process, above each classification receiving vat be equipped with angle can
The sand material adjustable plate of tune changes the opening area for being classified receiving vat by adjusting the angle of sand material adjustable plate and can change in this way,
And then the adjusting of material size may be implemented, realize the adjustment of sizing of equipment region (particle size range).Angle is equipped on air inlet
Adjustable wind direction adjusting plate is spent, the adjusting of intake size may be implemented, realizes the adjusting of material size indirectly, wind direction is adjusted
The setting of plate meets all kinds of demands of user, further also for convenient for realizing more regulating measures for material variety (weight)
Increase the range face of sizing of equipment region (particle size range) adjustment.
The lower section of Machine-made Sand feed inlet is equipped with the evenly dispersed uniform distribution of the Machine-made Sand that can be caused to fall and break in hollow cavity
The effect of sorting can be improved in device in this way, increases air inlet utilization rate, improves production efficiency.The section of the subregion plate is
Material differentiation rate can be improved in triangle, subregion plate；Subregion plate cross sectional shape is that triangle can be stored up to avoid material, in material
Wearing layer is posted in selection by winnowing hollow cavity, be can be further improved the service life of this product in this way, is further decreased production cost.
The uniform distribution device includes access plate, and access plate is in tilted layout in the lower section of Machine-made Sand feed inlet, is containing
Fishplate bar is equipped with the sub-material piece of triangular shape；The structure has production simply, the good advantage of sub-material effect；It is set on the access plate
There is mesh, the mesh is gradually increased from blanking end to discharge end aperture, can further be divided blanking region and speed in this way
Grade improves device separating effect.
Detailed description of the invention
Fig. 1 is artwork of the invention.
Fig. 2 is the structural schematic diagram of negative pressure method Machine-made Sand multi-stage screening equipment.
Fig. 3 is the structural schematic diagram of uniform distribution device.
Specific embodiment
Embodiment 1
The preparation of Machine-made Sand the following steps are included:
A sorts the 5mm partial size sandstone that is less than of acquisition, and the screening installation is that negative pressure method Machine-made Sand multi-stage screening is set
Standby, the discharge port of screening installation is connect with the A-G tank of storage sandstone is divided tank to store according to particle size range size, each tank
The particle size range of gravel is respectively 5 >=A tank > 2.36;2.36 >=B tank > 1.18;1.18 >=C tank > 0.6; 0.6≥D
Tank > 0.3;0.3 >=E tank > 0.15;0.15 >=F tank > 0.075;0.075 > >=G tank > 0, the partial size unit are
mm；
B be arranged measuring equipment, by the different-grain diameter sandstone obtained in a choose as needed wherein A, B, C, D, E, F, G mono- or
Several are mixed according to different proportion.
Specifically used method is in the A-G tank lower end setting discharge and weighing device by partial size storage sandstone, while basis
One or several tanks weighing discharge in the A-G tank of customer demand selection control storage sandstone, by sandstone according to customer requirement
Ratio carries out being mixed in one, is mixed by proportioner.As client need to configure 20 tons of sand material mixtures, it is desirable that partial size
(mm) 10 tons of 2.36-5,4 tons of 0.15-0.3,1 ton of 0.075-0.15, then can be beaten as needed by 5 tons of 0.6-1.18
Open the tank body and corresponding weighing device of corresponding partial size, sand needed for quantitative weighing heel row to mixer carries out the client of mixing
Material.
Negative pressure method Machine-made Sand multi-stage screening equipment is as shown in Fig. 2, be used for the hollow cavity 1 of material wind selection by plate and fashioned iron
Welding is assemblied to form, and shape is simultaneously not required to be limited to structure in figure, and Machine-made Sand feed inlet 2, shape are equipped with above hollow cavity 1
It is equipped with air inlet 3 in the side wall of hollow cavity 1, being equipped with angle on air inlet 3 can with 1 internal diameter of hollow cavity with width for rectangle
The wind direction adjusting plate 9 of tune, regulative mode are that shaft is arranged on every wind direction adjusting plate 9, and shaft one end grows hollow cavity
1, and then realize and manually adjust or motor-driven numerical control is adjusted, 9 quantity of wind direction adjusting plate is muti-piece, so it is more convenient adjust into
Wind region.Above hollow cavity 1 or side wall is equipped with air outlet 4, is connected with cleaner on air outlet 4；Cleaner is cloth
Bag dust collector.It is equipped with discharge port in the lower section of hollow cavity 1, there are three above subregion plates 6 for connection on discharge port, described
Subregion plate 6 is evenly arranged, and three or more the subregion plates 6 press the direction arrangement of air inlet air inlet, and the subregion plate 6 is cut
Face is triangle；Three or more subregion plates 6 are separated to form four or more classification receiving vats 7；It is five in figure, and then may be implemented
Six classification receiving vats 7, if carrying out respectively corresponding 5 >=A tank > 2.36 to Machine-made Sand;2.36 >=B tank > 1.18;
1.18 >=C tank > 0.6;0.6 >=D tank > 0.3;0.3 >=E tank > 0.15;0.15 >=F tank > 0.075；Bag-type dust
The material collected in device is stored in 0.075 > >=G tank > 0, so that it may realize the classification of seven kinds of materials.
For the range for increasing screening materials carrying, the sand material adjustable plate 8 of adjustable angle is equipped with above each classification receiving vat 7,
Its regulative mode is that shaft is arranged on every sand material adjustable plate 8, and shaft one end grows hollow cavity 1, and then realizes and adjust manually
Section or motor-driven numerical control are adjusted, and the width requirement of sand material adjustable plate 8 is when being in a horizontal state, and sand material adjustable plate 8 can cover
The half of adjacent classification receiving vat 7.
The lower section of Machine-made Sand feed inlet 2 is equipped with the evenly dispersed uniform cloth of the Machine-made Sand that can be caused to fall and break in hollow cavity 1
Expect device；As shown in Fig. 2, the uniform distribution device includes access plate 10, access plate 10 is in tilted layout to be fed in Machine-made Sand
The lower section of mouth 2 is equipped with the sub-material piece 11 of triangular shape on access plate 10；The access plate 10 is equipped with mesh, the net
Hole is gradually increased from blanking end to discharge end aperture.Angle adjustment device is equipped on access plate 10 simultaneously, which can be
One end is located at the end of access plate 10, and the other end is connected to the length-adjustable pull rod on hollow cavity 1.
Claims (9)
1. a kind of preparation method of Machine-made Sand, it is characterised in that: method includes the following steps:
A sorts the 5mm partial size sandstone that is less than of acquisition, is divided tank to store according to particle size range size, each tank sand
The particle size range of gravel is respectively 5 >=A tank > 2.36;2.36 >=B tank > 1.18;1.18 >=C tank > 0.6;0.6 >=D tank
> 0.3;0.3 >=E tank > 0.15;0.15 >=F tank > 0.075;0.075 > >=G tank > 0, the partial size unit are mm；
B be arranged measuring equipment, by the different-grain diameter sandstone obtained in a choose as needed wherein A, B, C, D, E, F, G mono- or
Several are mixed according to different proportion.
2. the preparation method of Machine-made Sand according to claim 1, it is characterised in that: the screening installation is negative pressure method machine
The discharge port of sand multi-stage screening equipment processed, screening installation is connect with the A-G tank of storage sandstone.
3. the preparation method of Machine-made Sand according to claim 1 or 2, it is characterised in that: this method is stored by partial size
The A-G tank lower end setting discharge and weighing device of sandstone, while selecting control to store in the A-G tank of sandstone according to customer demand
One or several tanks are weighed discharges, and sandstone is carried out being mixed in one according to the ratio of customer requirement, by proportioner into
Row mixing.
4. a kind of negative pressure method Machine-made Sand multi-stage screening equipment as claimed in claim 2, it includes for the hollow of material wind selection
Cavity (1), it is characterised in that: be equipped with Machine-made Sand feed inlet (2) above hollow cavity (1), set in the side wall of hollow cavity (1)
There are air inlet (3), above hollow cavity (1) or side wall is equipped with air outlet (4), and air outlet is connected with cleaner on (4)；In
The lower section of hollow cavity (1) is equipped with discharge port, on discharge port connection there are three above subregion plate (6), described three with
On subregion plate (6) press air inlet air inlet direction arrangement；Three or more subregion plates (6) are separated to form four or more and are classified receiving vat
(7).
5. negative pressure method Machine-made Sand multi-stage screening equipment according to claim 4, it is characterised in that: the subregion plate (6)
It is evenly arranged, the sand material adjustable plate (8) of adjustable angle is equipped with above each classification receiving vat (7).
6. negative pressure method Machine-made Sand multi-stage screening equipment according to claim 5, it is characterised in that: set on air inlet (3)
Angled adjustable wind direction adjusting plate (9).
7. negative pressure method Machine-made Sand multi-stage screening equipment according to claim 4 or 5, it is characterised in that: in hollow cavity (1)
The lower section of interior Machine-made Sand feed inlet (2) is equipped with the evenly dispersed uniform distribution device of the Machine-made Sand that can be caused to fall and break.
8. negative pressure method Machine-made Sand multi-stage screening equipment according to claim 7, it is characterised in that: the subregion plate (6)
Section be triangle, quantity be five.
9. negative pressure method Machine-made Sand multi-stage screening equipment according to claim 8, it is characterised in that: the uniform distribution dress
It sets including access plate (10), access plate (10) is in tilted layout in the lower section of Machine-made Sand feed inlet (2), is equipped on access plate (10)
The sub-material piece (11) of triangular shape；The access plate (10) is equipped with mesh, and the mesh is from blanking end to discharge end aperture
It is gradually increased.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840590.1A CN110420850A (en) | 2019-09-06 | 2019-09-06 | The preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910840590.1A CN110420850A (en) | 2019-09-06 | 2019-09-06 | The preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used |
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| Publication Number | Publication Date |
|---|---|
| CN110420850A true CN110420850A (en) | 2019-11-08 |
Family
ID=68417792
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|---|---|---|---|
| CN201910840590.1A Pending CN110420850A (en) | 2019-09-06 | 2019-09-06 | The preparation method of Machine-made Sand and its negative pressure method Machine-made Sand multi-stage screening equipment used |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113182055A (en) * | 2021-05-19 | 2021-07-30 | 杭州墨泰科技股份有限公司 | Production method of dry-mixed mortar capable of dynamically adjusting machine-made sand gradation |
| CN116060192A (en) * | 2023-03-06 | 2023-05-05 | 中铁工程服务有限公司 | Product proportion control method and device based on sand and stone co-production process |
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| CN116060192B (en) * | 2023-03-06 | 2023-06-27 | 中铁工程服务有限公司 | Product proportion control method and device based on sand and stone co-production process |
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