CN112427291A - 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
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- CN112427291A CN112427291A CN202011110677.2A CN202011110677A CN112427291A CN 112427291 A CN112427291 A CN 112427291A CN 202011110677 A CN202011110677 A CN 202011110677A CN 112427291 A CN112427291 A CN 112427291A
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- feeding
- vibrating screen
- belt conveyor
- feed
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- 239000000463 material Substances 0.000 title claims abstract description 156
- 238000009826 distribution Methods 0.000 title claims abstract description 29
- 238000000034 method Methods 0.000 title claims abstract description 16
- 238000003860 storage Methods 0.000 claims abstract description 16
- 238000007599 discharging Methods 0.000 claims description 19
- 239000003638 chemical reducing agent Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims description 4
- 230000005484 gravity Effects 0.000 claims description 3
- 239000011232 storage material Substances 0.000 claims description 3
- 238000009827 uniform distribution Methods 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims 1
- 238000012216 screening Methods 0.000 abstract description 7
- 238000010009 beating Methods 0.000 abstract description 5
- 230000002035 prolonged effect Effects 0.000 abstract description 5
- 238000004519 manufacturing process Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 6
- 229910000831 Steel Inorganic materials 0.000 description 5
- 239000010959 steel Substances 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 4
- 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
- 230000000694 effects Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000013072 incoming material Substances 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Images
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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Combined Means For Separation Of Solids (AREA)
Abstract
The invention discloses a material distribution system and a material distribution method for aggregate mine grading vibration sieve equipment, which relate to the field of mine equipment and comprise an upper material bin, a middle material bin, a lower material bin, a belt conveyor and a vibration sieve, wherein a feed inlet of the upper material bin is opposite to a blanking port of the belt conveyor, and a material distribution device is hinged in the middle of the upper material bin; the middle bin is positioned below the upper bin, a group of symmetrical inclined planes are arranged in the middle bin, and the two sides of the middle bin are provided with middle bin discharge ports; the two lower storage bins are symmetrically arranged on two sides of the middle storage bin; the vibrating screen is correspondingly arranged below the discharge hole of the lower feed bin, so that the material flow is discharged from the lower feed bin and enters the vibrating screen. The material distribution method comprises the steps of shunting, guiding and uniformly distributing. The invention makes full use of the principle of material beating, so that the service life of the device is prolonged by at least 5 times; the material is continuously and stably distributed uniformly, 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 vibration screen equipment.
Background
The aggregate mine grading vibrating screen is equipment for grading materials crushed by a crusher in an aggregate production process, and comprises an inspection vibrating screen and a finished product vibrating screen. They are all key equipment in the aggregate production process, and play a role no better than that of a crusher. The quality of the equipment and the quality in the using process directly determine the efficiency and the production cost of the whole aggregate production.
A more key technical index of the aggregate mine grading vibration screen is the vibration screening efficiency, and the efficiency directly influences the efficiency of the whole production system; the higher the screening efficiency of the checking vibrating screen is, the higher the material grading speed is, the smaller the type selection of the equipment per se can be relatively, and the equipment investment can be less; the higher the screening efficiency of the checking vibrating screen is, the less the material returned to the crusher is, the lower the load of the crusher is, the lower the requirement on the capacity of the crusher is during the type selection, and the lower the equipment investment is; the screening efficiency of the finished product vibrating screen is higher, the equipment type selection can be relatively smaller, the material mixing super-son diameter of the finished product is less, and the quality of the finished product is easily guaranteed.
The screening efficiency of the vibrating screen can be improved by several methods, one method is to select a high-end vibrating screen with a large brand in the early investment stage of equipment, and generally, the condition is less, because the aggregate production industry is always a relatively extensive industry, the equipment for producing a large part of aggregates is also relatively extensive, and people think that the high-end equipment is not necessary. The mining life of the previous aggregate mine is 1 to 5 years, the investment of equipment in the early stage is reduced as much as possible from the viewpoint of economic efficiency, and high-end vibrating screens of large brands are generally expensive, so that few people select the vibrating screens.
In the other method, the feeding mode of the improved equipment is adjusted in the later maintenance stage of the equipment, so that the materials are uniformly distributed on the equipment at an inlet along the width direction, and the screen surface of the vibrating screen is fully utilized; the incoming material of the grading vibrating screen is generally a belt conveyor, the width of a blanking point of the belt conveyor is too narrow relative to the width of the vibrating screen, the material is difficult to be distributed uniformly, the abrasion coefficient of common aggregate is large, and the material is easy to wear through and leak due to the poor design of a distributing device; the distributor is not a key device, the quality of the using effect is difficult to see by naked eyes, and people do not pay enough attention to the distributor.
Disclosure of Invention
The invention aims to overcome the defects in the prior art, and provides a material distribution system and method for aggregate mine grading vibrating screen equipment, which have the advantages of uniform material distribution, long service life and convenience in installation and maintenance.
The purpose of the invention is achieved by the following technical scheme: a material distribution system for aggregate mine grading vibrating screen equipment comprises an upper material bin, a middle material bin, a lower material bin, a belt conveyor and a vibrating screen, wherein the axis of the belt conveyor is vertical to the axis of the vibrating screen; the middle material bin is positioned below the upper material bin, two middle material bin feed inlets are formed in the upper portion of the middle material bin and used for introducing two material flows discharged by the upper material bin, a group of symmetrical inclined planes are arranged in the middle material bin and used for guiding flow, and middle material bin discharge outlets are formed in two sides of the middle material bin; the two lower material bins are symmetrically arranged on two sides of the middle material bin, and feed inlets of the lower material bins are correspondingly connected with discharge outlets of the middle material bin; a vibrating screen is correspondingly arranged below the discharge hole of each discharging bin, so that the material flow is discharged from the discharging bins and enters the vibrating screen.
As a further technical scheme, a groove is formed in the upper end of the material distribution device and used for storing material flow, and wear-resistant lining plates are detachably mounted on the left side and the right side of the groove; go up feed bin both sides bottom and install the last feed bin bottom plate that is used for the storage material stream, the edge demountable installation of each feed bin bottom plate has wear-resisting welt.
As a further technical scheme, the edges of the inclined plane and the discharge hole of the middle material bin are detachably provided with wear-resistant lining plates.
As a further technical scheme, a plurality of steps are arranged in the blanking 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 the position, slightly higher than the bottom plate of the discharging bin, of the bottom of the discharging bin.
A material distributing method using the system comprises the following steps:
1) shunting: starting a worm gear speed reducer on the feeding bin to drive the material distribution device to perform left-right adjustment, dividing the material flow from the belt conveyor into two parts, and discharging the two parts out of the feeding bin;
2) flow guiding: two material flows discharged from the upper material bin enter the middle material bin through a material inlet of the middle material bin, and under the action of the inclined plane, the material flows respectively slide to material outlets of the middle material bin at two sides and are discharged out of the middle material bin;
3) and (3) uniform distribution: two material flows discharged from the middle material bin enter the corresponding lower material bin through the feed inlet of the lower material bin, are uniformly distributed to the discharge outlet of the lower material bin under the action of the step in the lower material bin, and are discharged out of the feed end of the lower material bin to enter the corresponding vibrating screen.
Further, the material flow only depends on self gravity when flowing, and does not depend on other power.
The invention has the beneficial effects that:
1. the principle of material beating is fully utilized, 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 motion is stable, the whole screen surface of the vibrating screen is fully utilized, and the stability and the screening efficiency of the vibrating screen are improved.
Drawings
Fig. 1 is a schematic structural diagram 1 of a feeding bin.
Fig. 2 is a schematic structural diagram 2 of the feeding bin.
Fig. 3 is a schematic structural diagram 1 of a middle storage bin.
Fig. 4 is a schematic structural diagram 2 of a middle storage bin.
Fig. 5 is a schematic structural diagram of the blanking bin.
Fig. 6 is a sectional view a-a of fig. 5.
Fig. 7 is a sectional view B-B of fig. 5.
Fig. 8 is a schematic structural diagram of the present invention.
Description of reference numerals: the device comprises a feeding bin 1, a feeding bin feed inlet 1-1, a material distribution device 1-2, a feeding bin discharge port 1-3, a feeding bin bottom plate 1-4, a middle bin 2, a middle bin feed inlet 2-1, an inclined surface 2-2, a middle bin discharge port 2-3, a discharging bin feed inlet 3-1, a discharging bin discharge port 3-2, a discharging 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 following drawings:
example (b): as shown in the attached figure 8, the material distribution system for aggregate mine grading vibrating screen equipment comprises an upper material bin 1, a middle material bin 2, a lower material 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 a feeding port 1-1 of the upper material bin 1 is opposite to a blanking port of the belt conveyor 4; referring to attached drawings 1 and 2, a material distribution device 1-2 is hinged in the middle of an upper material bin 1, and the material distribution device 1-2 is driven by a worm gear reducer to be adjusted left and right, so that the material flow of a belt conveyor 4 is divided into two parts, and the material flow is discharged from a discharge port 1-3 of the upper material bin 1; the upper end of the material distribution device 1-2 is provided with a groove for storing material flow to form a material beating cushion structure, so that the abrasion of steel is reduced, wear-resistant lining plates 6 are detachably arranged on the left side and the right side of the groove, and the service life of the material distribution device 1-2 is further prolonged; go up 1 both sides bottom of feed bin 1 and install last feed bin bottom plate 1-4 that is used for the storage material stream, can carry out appropriate speed reduction to the material stream, alleviate the impact to below feed bin and shale shaker 5 to form the bed course structure of material knockout, alleviate the wearing and tearing of steel sheet once more, each edge demountable installation who goes up feed bin bottom plate 1-4 has wear-resisting welt 6, prolongs the life of going up feed bin bottom plate 1-4.
Referring to attached figures 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 portion 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 material bin discharge port 2-3 are detachably provided with wear-resistant lining plates 6 to form a material beating cushion structure, so that the abrasion of a steel plate is reduced, and the service life of the device is prolonged.
Referring to the attached drawings 5-7, two lower material bins 3 are symmetrically arranged at two sides of a middle material bin 2, and a feed port 3-1 of each lower material bin is correspondingly connected with a discharge port 2-3 of the middle material bin; a vibrating screen 5 is correspondingly arranged below the discharge port 3-2 of each lower feed bin, so that the material flow is discharged from the lower feed bin 3 and enters the vibrating screen 5. A plurality of steps are arranged in the lower bin 3, and a wear-resistant lining plate 6 is detachably mounted at the edge of each step; the discharge port 3-2 of the blanking bin is arranged at the position, slightly higher than the bottom plate 3-3 of the blanking bin, of the bottom of the blanking bin 3. The first material flow reaches the bottom of the storage bin through two stages of steps, and then reaches the feeding end of the vibrating screen 5 from the bottom through two square openings (namely a discharge hole 3-2 of the lower storage bin) slightly higher than a bottom plate 3-3 of the lower storage bin. A material pad for material beating and a wear-resistant lining plate 6 are formed at the bottom plate 3-3 of the blanking bin, so that the abrasion of the steel plate can be reduced, and the service life of the steel plate is prolonged. The material flow two and the material flow one realize the direction of the material flow by the same principle.
A material distributing method using the system comprises the following steps:
1) shunting: starting a worm gear speed reducer on the feeding bin 1 to drive the material distribution device 1-2 to perform left-right adjustment, dividing the material flow from the belt conveyor 4 into two parts, and discharging the two parts out of the feeding bin 1;
2) flow guiding: two material flows discharged from the upper material bin 1 enter the middle material bin 2 through a middle material bin feeding port 2-1, and respectively slide to middle material bin discharging ports 2-3 at two sides and are discharged out of the middle material bin 2 under the action of an inclined plane 2-2;
3) and (3) uniform distribution: two material flows discharged from the middle storage bin 2 enter the corresponding lower storage bin 3 through a feeding hole 3-1 of the lower storage bin, are uniformly distributed to a discharging hole 3-2 of the lower storage bin under the action of a step in the lower storage bin 3, and are discharged out of the lower storage bin 3 to enter a feeding end of the corresponding vibrating screen 5.
When the material flows, the gravity of the material flow is fully utilized, and uniform material distribution can be realized without other power. The energy consumption and the production cost during the production of the aggregate are reduced, and the environmental protection is effectively promoted.
The working process of the invention is as follows: when the device is operated, the material flow from the belt conveyor 4 is adjusted left and right through the material distribution device 1-2 on the feeding bin 1 to realize the splitting into two parts, so that the condition of uneven material distribution caused by left and right deviation of a belt or non-centered material pile is prevented; the left and right material flows discharged from the upper bin 1 enter the middle bin 2, are guided by an inclined plane 2-2 on the middle bin 2 and are discharged from two sides of the middle bin 2; the two material flows discharged from the middle material bin 2 respectively enter the feeding ports 3-1 of the two lower material bins 3, reach the bottom of the lower material bin 3 after passing through the multistage steps in the lower material bin 3, and then reach the feeding end of the corresponding vibrating screen 5 from the bottom through a square opening (namely the discharging port 3-2 of the lower material bin) slightly higher than the bottom plate 3-3 of the lower material bin, so that the material flows are uniformly distributed.
It should be understood that equivalent substitutions and changes to the technical solution and the inventive concept of the present invention should be made by those skilled in the art to the protection scope of the appended claims.
Claims (6)
1. The utility model provides a cloth system that is used for aggregate mine grading shale shaker equipment which characterized in that: the automatic feeding device comprises a feeding bin (1), a middle feeding bin (2), a discharging 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), a feeding port (1-1) of the feeding bin (1) is opposite to a discharging port of the belt conveyor (4), a distributing device (1-2) is hinged in the middle of the feeding bin (1), and the distributing device (1-2) is driven by a worm gear reducer to be adjusted left and right, so that the material flow of the belt conveyor (4) is divided into two parts, and the feeding bin (1) is discharged from the discharging port (1-3) of the feeding bin; the middle bin (2) is positioned below the upper bin (1), two middle bin feed inlets (2-1) are formed in the upper portion 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 lower material bins (3) are symmetrically arranged at two sides of the middle material bin (2), and a feed port (3-1) of the lower material bin is correspondingly connected with a discharge port (2-3) of the middle material bin; a vibrating screen (5) is correspondingly arranged below the discharge port (3-2) of each lower feed bin, so that the material flow is discharged from the lower feed bin (3) and enters the vibrating screen (5).
2. The material distribution system for an aggregate mine grading shaker apparatus of claim 1, wherein: the upper end of the material distribution device (1-2) is provided with a groove for storing material flow, and wear-resistant lining plates (6) are detachably mounted on the left side and the right side of the groove; go up feed bin (1) both sides bottom and install last feed bin bottom plate (1-4) that are used for the storage material stream, the edge demountable installation of each feed bin bottom plate (1-4) has wear-resisting welt (6).
3. The material distribution system for an aggregate mine grading shaker apparatus of claim 1, wherein: the edges of the inclined plane (2-2) and the middle material bin discharge hole (2-3) are detachably provided with wear-resistant lining plates (6).
4. The material distribution system for an aggregate mine grading shaker apparatus of claim 1, wherein: a plurality of steps are arranged in the lower bin (3), and a wear-resistant lining plate (6) is detachably mounted at the edge of each step; the discharge hole (3-2) of the lower storage bin is arranged at the position, slightly higher than the bottom plate (3-3) of the lower storage bin, of the bottom of the lower storage bin (3).
5. A material distribution method for aggregate mine grading vibration screen equipment is characterized in that: the method comprises the following steps:
1) shunting: starting a worm gear speed reducer on the feeding bin (1) to drive the material distribution device (1-2) to perform left-right adjustment, dividing the material flow from the belt conveyor (4) into two parts, and discharging the two parts out of the feeding bin (1);
2) flow guiding: two material flows discharged from the upper material bin (1) enter the middle material bin (2) through a middle material bin feeding hole (2-1), and under the action of the inclined plane (2-2), the material flows respectively slide to middle material bin discharging holes (2-3) at two sides and are discharged out of the middle material bin (2);
3) and (3) uniform distribution: two material flows discharged from the middle material bin (2) enter the corresponding lower material bin (3) through the lower material bin feeding port (3-1), are uniformly distributed to the lower material bin discharging port (3-2) under the action of the step in the lower material bin (3), and are discharged out of the lower material bin (3) to enter the feeding end of the corresponding vibrating screen (5).
6. The method of claim 5 for distributing aggregate mine grading shaker apparatus, wherein: the material flow only depends on self gravity when flowing, and does not depend on other power.
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 |
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| 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 |
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| Publication Number | Publication Date |
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| CN112427291A true CN112427291A (en) | 2021-03-02 |
| CN112427291B CN112427291B (en) | 2023-11-10 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714093A (en) * | 2021-11-02 | 2021-11-30 | 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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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113714093A (en) * | 2021-11-02 | 2021-11-30 | 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 |
| 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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| Publication number | Publication date |
|---|---|
| CN112427291B (en) | 2023-11-10 |
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