CN112427291B - Material distribution system and method for aggregate mine grading vibrating screen equipment - Google Patents
Material distribution system and method for aggregate mine grading vibrating screen equipment Download PDFInfo
- Publication number
- CN112427291B CN112427291B CN202011110677.2A CN202011110677A CN112427291B CN 112427291 B CN112427291 B CN 112427291B CN 202011110677 A CN202011110677 A CN 202011110677A CN 112427291 B CN112427291 B CN 112427291B
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- Prior art keywords
- bin
- vibrating screen
- discharging
- discharged
- belt conveyor
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- 239000000463 material Substances 0.000 title claims abstract description 114
- 238000009826 distribution Methods 0.000 title claims abstract description 15
- 238000000034 method Methods 0.000 title claims abstract description 15
- 238000007599 discharging Methods 0.000 claims abstract description 38
- 239000003638 chemical reducing agent Substances 0.000 claims description 6
- 239000004744 fabric Substances 0.000 claims description 3
- 230000005484 gravity Effects 0.000 claims description 3
- 238000003860 storage Methods 0.000 claims description 2
- 238000012216 screening Methods 0.000 abstract description 7
- 238000010009 beating Methods 0.000 abstract description 6
- 230000002035 prolonged effect Effects 0.000 abstract description 6
- 238000009827 uniform distribution Methods 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 7
- 238000005299 abrasion Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000007689 inspection Methods 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 2
- 238000005065 mining Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 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
- B07B1/00—Sieving, screening, sifting, or sorting solid materials using networks, gratings, grids, or the like
- B07B1/28—Moving screens not otherwise provided for, e.g. swinging, reciprocating, rocking, tilting or wobbling screens
-
- 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
- B07B1/46—Constructional details of screens in general; Cleaning or heating of screens
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G69/00—Auxiliary measures taken, or devices used, in connection with loading or unloading
- B65G69/04—Spreading out the materials conveyed over the whole surface to be loaded; Trimming heaps of loose materials
Abstract
The invention discloses a material distribution system and a material distribution method for aggregate mine grading vibrating screen equipment, which relate to the field of mine equipment and comprise an upper bin, a middle bin, a lower bin, a belt conveyor and a vibrating screen, wherein a material inlet of the upper bin is opposite to a material outlet of the belt conveyor, and a material distribution device is hinged in the middle of the upper bin; the middle bin is positioned below the upper bin, a group of symmetrical inclined planes are arranged in the middle bin, and discharge holes of the middle bin are formed in two sides of the middle bin; the two discharging bins are symmetrically arranged on two sides of the middle bin; the vibrating screen is correspondingly arranged below the discharging hole of the discharging bin, so that the material flow is discharged from the discharging bin and enters the vibrating screen. The distribution method comprises the steps of diversion, diversion and uniform distribution. The invention fully utilizes the principle of material beating, so that the service life of the device is prolonged by at least 5 times; and the whole screen surface of the vibrating screen is fully utilized to improve the stability and the screening efficiency.
Description
Technical Field
The invention relates to the field of mining equipment, in particular to a material distribution system and method for aggregate mine grading vibrating screen equipment.
Background
The classifying vibrating screen for aggregate mine is one equipment for classifying crushed material in crusher and includes one inspection vibrating screen and one product vibrating screen. They are all key devices in the aggregate production process and play no part in the crusher. The quality of their own equipment and the quality in the use process directly determine the efficiency and production cost of the whole aggregate production.
One key technical index of the aggregate mine classifying vibrating screen is the vibrating screening efficiency, and the efficiency of the whole production system is directly influenced by the efficiency; the higher the screening efficiency of the inspection vibrating screen is, the faster the material classification speed is, the smaller the equipment type selection is relatively, and the equipment investment is less; the higher the screening efficiency of the inspection vibrating screen is, the less materials return to the crusher, the lower the load of the crusher is, the lower the capacity requirement on the crusher is during the type selection, and the lower the equipment investment is; the higher the screening efficiency of the finished product vibrating screen is, the smaller the equipment is, the smaller the mixing super-diameter of the finished product is, and the quality of the finished product is easily ensured.
There are several methods to increase the screening efficiency of the vibrating screen, one is to choose a high-end vibrating screen with a large brand at the early investment stage of the equipment, which generally occurs less, because the aggregate production industry is a relatively rough industry all the time, and a large part of equipment for producing aggregates is rough, so that it is considered that the high-end equipment is not necessary. In the past, the mining life of an aggregate mine is 1 to 5 years, the investment in the earlier stage of equipment can be reduced as much as possible from the viewpoint of economic efficiency, and the high-end vibrating screen of a large brand is generally expensive, so that less people choose the condition.
In the other method, the feeding mode of the improved equipment is adjusted in the later maintenance stage of the equipment, so that the material is uniformly distributed on the equipment at the inlet along the width direction, and the screen surface of the vibrating screen is fully utilized; the feeding materials of the classifying vibrating screen are generally belt conveyors, the blanking point width of the belt conveyors is too narrow relative to the width of the vibrating screen, the uniform distribution is difficult, the abrasion coefficient of general aggregate is large, and the material leakage is easy to grind due to poor design of a distributing device; this is basically common in industry, but there are few well-done and continuously well-done in industry, and an important reason is that the distributor is not a key device, and the quality of the use effect is difficult to be seen by naked eyes, so that enough attention is not paid to the distributor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art and provide a distributing system and a distributing method for aggregate mine classifying vibrating screen equipment, which have the advantages of uniform distribution, long service life and convenience in installation and maintenance.
The invention aims at being completed by the following technical scheme: the material distribution system for the aggregate mine grading vibrating screen equipment comprises an upper bin, a middle bin, a lower bin, a belt conveyor and a vibrating screen, wherein the axis of the belt conveyor is vertical to the axis of the vibrating screen, a material inlet of the upper bin is opposite to a material outlet of the belt conveyor, a material distributing device is hinged in the middle of the upper bin, and the material distributing device is driven by a worm gear reducer to perform left-right adjustment so that the material flow of the belt conveyor is divided into two parts, and the material is discharged from a material outlet of the upper bin; the middle bin is positioned below the upper bin, two middle bin feed inlets are formed in the upper part of the middle bin and used for introducing two material flows discharged by the upper bin, a group of symmetrical inclined planes are arranged in the middle bin and used for guiding flow, and two middle bin discharge outlets are formed in two sides of the middle bin; the two discharging bins are symmetrically arranged on two sides of the middle bin, and the feeding holes of the discharging bins are correspondingly connected with the discharging holes of the middle bin; and a vibrating screen is correspondingly arranged below the discharge hole of each discharging bin, so that the material flow is discharged from the discharging bin and enters the vibrating screen.
As a further technical scheme, a groove is formed in the upper end of the material distributing device and used for storing material flows, and the left side and the right side of the groove are detachably provided with wear-resistant lining plates; the bottom of two sides of the upper bin is provided with an upper bin bottom plate for storing material flows, and the edge of each upper bin bottom plate is detachably provided with a wear-resistant lining plate.
As a further technical scheme, the edge of the inclined plane and the discharge hole of the middle storage bin is detachably provided with a wear-resistant lining plate.
As a further technical scheme, a plurality of steps are arranged in the lower bin, and the edge of each step is detachably provided with a wear-resistant lining plate; the discharge hole of the discharging bin is arranged at a position slightly higher than the bottom plate of the discharging bin at the bottom of the discharging bin.
A cloth method using the above system, comprising the steps of:
1) Splitting: starting a worm gear reducer on the feeding bin to drive a material distributing device to adjust left and right, dividing a material flow from the belt conveyor into two parts, and discharging the material flow from the feeding bin;
2) And (3) diversion: two material flows discharged from the upper bin enter the middle bin through the feeding hole of the middle bin, and under the action of the inclined plane, the material flows respectively slide to the discharging holes of the middle bin at the two sides and are discharged from the middle bin;
3) Uniform material distribution: two material flows discharged from the middle feed bin enter the corresponding lower feed bin through the feed inlet of the lower feed bin, are uniformly distributed to the discharge port of the lower feed bin under the action of the step in the lower feed bin, and are discharged from the lower feed bin to enter the feed end of the corresponding vibrating screen.
Further, the flow only depends on self gravity and does not depend on other power when flowing.
The beneficial effects of the invention are as follows:
1. fully utilizes the principle of material beating, so that the service life of the device is prolonged by at least 5 times;
2. the continuous and stable uniform material distribution is realized, the equipment movement is stable, the whole screen surface of the vibrating screen is fully utilized, and the stability and screening efficiency of the vibrating screen are improved.
Drawings
Fig. 1 is a schematic structural view 1 of the loading bin.
Fig. 2 is a schematic structural view of the loading bin 2.
Fig. 3 is a schematic structural view 1 of the middle bunker.
Fig. 4 is a schematic structural view 2 of the middle bunker.
Fig. 5 is a schematic structural view of the blanking bin.
Fig. 6 is a cross-sectional view A-A of fig. 5.
Fig. 7 is a B-B cross-sectional view of fig. 5.
Fig. 8 is a schematic structural view of the present invention.
Reference numerals illustrate: the device comprises an upper bin 1, an upper bin feed inlet 1-1, a distributing device 1-2, an upper bin discharge outlet 1-3, an upper bin bottom plate 1-4, a middle bin 2, a middle bin feed inlet 2-1, an inclined plane 2-2, a middle bin discharge outlet 2-3, a lower bin feed inlet 3-1, a lower bin discharge outlet 3-2, a lower bin bottom plate 3-3, a belt conveyor 4, a vibrating screen 5 and a wear-resistant lining plate 6.
Detailed Description
The invention will be described in detail below with reference to the attached drawings:
examples: as shown in fig. 8, a material distribution system for aggregate mine classification vibrating screen equipment comprises an upper bin 1, a middle bin 2, a lower bin 3, a belt conveyor 4 and a vibrating screen 5, wherein the axis of the belt conveyor 4 is vertical to the axis of the vibrating screen 5, and an upper bin feeding port 1-1 of the upper bin 1 is opposite to a blanking port of the belt conveyor 4; referring to fig. 1 and 2, a material distributing device 1-2 is hinged in the middle of a material loading bin 1, the material distributing device 1-2 is driven by a worm gear reducer to be adjusted left and right, so that a material flow of a belt conveyor 4 is divided into two parts, and the material is discharged from a material outlet 1-3 of the material loading bin 1; the upper end of the material distributing device 1-2 is provided with a groove for storing material flow to form a material beating cushion layer structure, so that abrasion of steel is reduced, the left side and the right side of the groove are detachably provided with wear-resistant lining plates 6, and the service life of the material distributing device 1-2 is further prolonged; the bottom of two sides of the upper bin 1 is provided with the upper bin bottom plates 1-4 for storing material flows, the material flows can be properly decelerated, the impact on the lower bin and the vibrating screen 5 is reduced, a cushion layer structure for material beating is formed, the abrasion of steel plates is reduced again, the edge of each upper bin bottom plate 1-4 is detachably provided with the abrasion-resistant lining plate 6, and the service life of the upper bin bottom plates 1-4 is prolonged.
Referring to fig. 3 and 4, a middle bin 2 is positioned below an upper bin 1, two middle bin feed inlets 2-1 are formed in the upper part of the middle bin 2 and used for introducing two material flows discharged by the upper bin 1, a group of symmetrical inclined planes 2-2 are arranged in the middle bin 2 and used for guiding flow, and middle bin discharge outlets 2-3 are formed in two sides of the middle bin 2; the edges of the inclined plane 2-2 and the middle feed bin discharge hole 2-3 are detachably provided with the wear-resistant lining plate 6 to form a material-beating cushion layer structure, so that the abrasion of a steel plate is reduced, and the service life of the device is prolonged.
Referring to fig. 5-7, two lower bins 3 are symmetrically arranged on two sides of a middle bin 2, and a lower bin feed inlet 3-1 is correspondingly connected with a middle bin discharge outlet 2-3; a vibrating screen 5 is correspondingly arranged below the discharging hole 3-2 of each discharging bin, so that the material flow is discharged from the discharging bin 3 into the vibrating screen 5. A plurality of steps are arranged in the discharging bin 3, and a wear-resistant lining plate 6 is detachably arranged at the edge of each step; the discharging hole 3-2 of the discharging bin is arranged at a position slightly higher than the bottom plate 3-3 of the discharging bin at the bottom of the discharging bin 3. The material flow firstly reaches the bottom of the material bin through the two-stage steps, and then reaches the material inlet end of the vibrating screen 5 from the bottom through two square openings (namely the material outlet 3-2 of the material bin) which are slightly higher than the bottom plate 3-3 of the material bin. The material pad and the wear-resistant lining plate 6 for material beating are formed at the bottom plate 3-3 of the discharging bin, so that the abrasion of the steel plate can be reduced, and the service life of the steel plate can be prolonged. The second stream and the first stream are also guided by the same principle.
A cloth method using the above system, comprising the steps of:
1) Splitting: starting a worm gear reducer on the feeding bin 1 to drive the material distributing device 1-2 to adjust left and right, dividing a material flow from the belt conveyor 4 into two parts, and discharging the material flow out of the feeding bin 1;
2) And (3) diversion: two material flows discharged from the upper material bin 1 enter the middle material bin 2 through the middle material bin feeding port 2-1, and under the action of the inclined plane 2-2, the material flows respectively slide to the middle material bin discharging ports 2-3 on two sides and are discharged from the middle material bin 2;
3) Uniform material distribution: two material flows discharged from the middle material bin 2 enter the corresponding lower material bin 3 through the lower material bin feeding hole 3-1, and are uniformly distributed to the lower material bin discharging hole 3-2 under the action of the step in the lower material bin 3, and are discharged from the lower material bin 3 to enter the feeding end of the corresponding vibrating screen 5.
The material flow fully utilizes the gravity of the material flow when flowing, and can realize uniform distribution without other power. Reduces the energy consumption and the production cost during the aggregate production and effectively promotes the environmental protection.
The working process of the invention comprises the following steps: when the equipment is in operation, a material flow from the belt conveyor 4 is divided into two parts by left and right adjustment of the material distributing device 1-2 on the feeding bin 1, so that the condition of uneven material distribution caused by left and right deviation of a belt or non-centering of a material pile is prevented; left and right two material flows discharged from the upper material bin 1 enter the middle material bin 2, are guided by the inclined surface 2-2 on the middle material bin 2 and are discharged from two sides of the middle material bin 2; two material flows discharged from the middle feed bin 2 respectively enter the feed inlets 3-1 of the two lower feed bins 3, the material flows pass through the multistage steps in the lower feed bins 3 and then reach the bottoms of the lower feed bins 3, and then reach the feed ends of the corresponding vibrating screens 5 from the bottoms through square openings (namely the discharge outlets 3-2 of the lower feed bins) slightly higher than the bottom plates 3-3 of the lower feed bins, so that uniform distribution of the material flows is realized.
It should be understood that equivalents and modifications to the technical scheme and the inventive concept of the present invention should fall within the scope of the claims appended hereto.
Claims (4)
1. A cloth system for aggregate mine classifying vibration sieve equipment, its characterized in that: the automatic feeding device comprises an upper bin (1), a middle bin (2), a lower bin (3), a belt conveyor (4) and a vibrating screen (5), wherein the axis of the belt conveyor (4) is perpendicular to the axis of the vibrating screen (5), a feeding hole (1-1) of the upper bin (1) is opposite to a blanking hole of the belt conveyor (4), a material distributing device (1-2) is hinged in the middle of the upper bin (1), and the material distributing device (1-2) is driven by a worm gear reducer to be adjusted left and right, so that a material flow of the belt conveyor (4) is divided into two parts, and the material flow is discharged from a discharging hole (1-3) of the upper bin (1); the middle bin (2) is positioned below the upper bin (1), two middle bin feed inlets (2-1) are formed in the upper part of the middle bin (2) and used for introducing two material flows discharged by the upper bin (1), a group of symmetrical inclined planes (2-2) are arranged in the middle bin (2) and used for guiding flow, and middle bin discharge outlets (2-3) are formed in two sides of the middle bin (2); the two discharging bins (3) are symmetrically arranged at two sides of the middle bin (2), and the feeding holes (3-1) of the discharging bins are correspondingly connected with the discharging holes (2-3) of the middle bin; a vibrating screen (5) is correspondingly arranged below the discharge hole (3-2) of each discharging bin, so that a material flow is discharged from the discharging bin (3) and enters the vibrating screen (5);
the upper end of the material distributing device (1-2) is provided with a groove for storing material flow, and the left side and the right side of the groove are detachably provided with wear-resistant lining plates (6); the bottoms of two sides of the upper bin (1) are provided with upper bin bottom plates (1-4) for storing material flows, and the edge of each upper bin bottom plate (1-4) is detachably provided with a wear-resistant lining plate (6);
a plurality of steps are arranged in the discharging bin (3), and a wear-resistant lining plate (6) is detachably arranged at the edge of each step; the discharging hole (3-2) of the discharging bin is arranged at the position of the bottom of the discharging bin (3) which is slightly higher than the bottom plate (3-3) of the discharging bin.
2. A distribution system for an aggregate mine grading shaker apparatus as in claim 1, wherein: the edge of the inclined plane (2-2) and the edge of the discharge hole (2-3) of the middle storage bin are detachably provided with a wear-resistant lining plate (6).
3. A material distributing method for an aggregate mine classifying vibrating screen device, employing the material distributing system for an aggregate mine classifying vibrating screen device according to claim 1, characterized in that: the method comprises the following steps:
1) Splitting: starting a worm gear reducer on the feeding bin (1) to drive a material distributing device (1-2) to adjust left and right, dividing a material flow from a belt conveyor (4) into two parts, and discharging the material flow out of the feeding bin (1);
2) And (3) diversion: two material flows discharged from the upper bin (1) enter the middle bin (2) through the middle bin feed inlet (2-1), and under the action of the inclined plane (2-2), the material flows respectively slide to the middle bin discharge holes (2-3) on the two sides and are discharged from the middle bin (2);
3) Uniform material distribution: two material flows discharged from the middle feed bin (2) enter the corresponding lower feed bin (3) through the lower feed bin feed inlet (3-1), are uniformly distributed to the lower feed bin discharge outlet (3-2) under the action of the inner step of the lower feed bin (3), and are discharged from the lower feed bin (3) to enter the feed end of the corresponding vibrating screen (5).
4. A distributing method for an aggregate mine classifying vibrating screen device according to claim 3, wherein: the material flow only depends on self gravity when flowing, and other power is not used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011110677.2A CN112427291B (en) | 2020-10-16 | 2020-10-16 | Material distribution system and method for aggregate mine grading vibrating screen equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011110677.2A CN112427291B (en) | 2020-10-16 | 2020-10-16 | Material distribution system and method for aggregate mine grading vibrating screen equipment |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112427291A CN112427291A (en) | 2021-03-02 |
| CN112427291B true CN112427291B (en) | 2023-11-10 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202011110677.2A Active CN112427291B (en) | 2020-10-16 | 2020-10-16 | Material distribution system and method for aggregate mine grading vibrating screen equipment |
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| CN (1) | CN112427291B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113714093B (en) * | 2021-11-02 | 2022-03-22 | 天津美腾科技股份有限公司 | Double-sided sorting dry separator, sorting control method and computer-readable storage medium |
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2020
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