Efficient gravel production device

Abstract

The utility model belongs to the technical field of sandstone production, and particularly relates to an efficient sandstone production device which comprises a raw material conveying device, a raw ore feeding hopper is arranged on the lower side of the raw material conveying device, a first vibration feeder is arranged on the lower side of the raw ore feeding hopper and connected with a first-stage screening device through a first belt conveyor, and the first-stage screening device is connected with a second-stage screening device through a second belt conveyor. The first-stage screening device is connected with a washing device through a first pipeline. According to the scheme, two stages of screening devices are connected in series to work, more gravel materials can be treated at the same time, and the situation that a single screening machine is blocked or screening efficiency is reduced due to the fact that the treatment capacity is too large is avoided; through series connection of multiple stages of screening devices, gravels can be finely screened step by step, so that the gravels in different particle size ranges can be more accurately distinguished, and the overall screening precision is improved; compared with a traditional parallel sand treatment process, the series process has the advantages that the number of equipment is reduced, so that the equipment cost is reduced.

Description

Technical Field

[0001] This utility model belongs to the field of sand and gravel production technology, and specifically relates to a high-efficiency sand and gravel production device. Background Technology

[0002] A sand and gravel production unit is an equipment system used to produce sand and gravel aggregates, which includes a series of production equipment. Among them, a vibrating feeder is used to evenly feed raw stone into the crushing equipment to ensure uniform feeding during the crushing process; a sand washing machine is used to wash sand and gravel particles, remove mud and impurities, and improve the quality of sand and gravel; and conveying equipment includes belt conveyors, which are used to transport the finished sand and gravel particles after crushing, screening, and washing to a designated location.

[0003] The invention patent with publication number CN106944234A discloses a sand and gravel aggregate production device, including a feeder, a cone crusher, a multi-cylinder hydraulic cone crusher, a double-layer vibrating screen, a feeder, a silo, an inlet, a silo, and a pile of stones. The feeder is provided with an inlet at its upper end and is fixedly connected to a jaw crusher. The jaw crusher is connected to the cone crusher via a belt conveyor. The cone crusher is connected to the cone crusher via a belt conveyor. The cone crusher is connected to the cone crusher via a belt conveyor. The cone crusher is connected to the double-layer heavy-duty vibrating screen via a belt conveyor. The silo is connected to the silo via a belt conveyor. The silo is connected to the multi-cylinder hydraulic cone crusher via a belt conveyor. The multi-cylinder hydraulic cone crusher is connected to the double-layer vibrating screen via a belt conveyor.

[0004] Currently, existing sand and gravel processing production lines often face problems such as limited processing capacity, low screening accuracy, and high equipment costs in the screening and washing stages. Traditional sand and gravel processing production lines often use a single screening device, resulting in limited processing capacity and difficulty in guaranteeing screening accuracy. At the same time, in order to meet the demand for high processing capacity, it is often necessary to add parallel equipment, thereby increasing equipment costs.

[0005] Therefore, this application proposes a high-efficiency sand and gravel production device to solve the above problems. Summary of the Invention

[0006] The purpose of this invention is to provide a high-efficiency sand and gravel production device that solves the problems of limited processing capacity, low screening accuracy, and high equipment cost often faced by existing sand and gravel processing production lines in the screening and washing stages. Traditional sand and gravel processing production lines often use a single screening device, resulting in limited processing capacity and difficulty in guaranteeing screening accuracy. At the same time, in order to meet the demand for high processing capacity, it is often necessary to add parallel equipment, thereby increasing equipment costs.

[0007] To achieve the above objectives, this utility model provides a high-efficiency sand and gravel production device, including a raw material conveying device. A raw ore feeding hopper is provided on the lower side of the raw material conveying device. A vibrating feeder is provided on the lower side of the raw ore feeding hopper. The vibrating feeder is connected to a primary screening device via a belt conveyor. The primary screening device is connected to a washing device via a pipeline. The washing device is connected to a fine sand recovery device via a pipeline. The fine sand recovery device is connected to a finished product conveying device via a belt conveyor. A finished product storage shed is provided on the lower side of the finished product conveying device.

[0008] The primary screening device is connected to a secondary screening device via belt conveyor three. The secondary screening device is connected to belt conveyor four via pipeline three. A finished product conveying device two is installed below belt conveyor four. A finished product stacking shed two is installed below finished product conveying device two. The primary screening device is connected to belt conveyor five via pipeline four. A buffer silo is installed below belt conveyor five. A vibrating feeder two is installed below the buffer silo. A cone crusher is installed below vibrating feeder two.

[0009] The principle of this utility model is as follows:

[0010] 1. The raw materials are fed into the primary screening device (heavy-duty circular vibrating screen) through the raw material conveying device for screening;

[0011] 2. Materials <4.75mm enter the washing device (integrated spiral sand washing machine) for washing and dewatering. Under the action of the fine sand recovery device (fine sand recovery machine), the fine sand is recovered. Then, the finished product conveying device 1 transports the material to the corresponding finished product storage shed 1.

[0012] 3. Materials larger than 37.5mm are processed by the cone crusher in the large material crushing system and then returned to the primary screening device (heavy-duty circular vibrating screen) for screening, and the cycle is repeated.

[0013] 4. Materials with a diameter of 4.75-37.5mm are fed into a secondary screening device (heavy-duty circular vibrating screen) by a belt conveyor for screening;

[0014] 5. The 4.75-19mm and 19-37.5mm materials obtained from the secondary screening are respectively conveyed by the finished product conveying device two to the corresponding finished product storage shed two;

[0015] 6. The material <4.75mm obtained from the secondary screening and the material <4.75mm obtained from the primary screening are fed back into the washing device (integrated spiral sand washing machine) for washing and dewatering. The fine sand is then recovered by the fine sand recovery device (fine sand recovery machine) and then conveyed to the corresponding finished product storage shed by the finished product conveying device.

[0016] The beneficial effects of this utility model are as follows: This solution, through the series operation of two-stage screening devices, can process more sand and gravel materials simultaneously, avoiding the blockage or decreased screening efficiency of a single screening machine due to excessive processing capacity; through the series connection of multi-stage screening devices, sand and gravel can be progressively finely screened, thereby more accurately separating sand and gravel of different particle size ranges and improving the overall screening accuracy; compared with the traditional parallel sand and gravel processing process, this series process reduces the number of devices, thereby reducing equipment costs.

[0017] Furthermore, four washing devices are provided, which are evenly distributed below the primary screening device. By providing these washing devices, the screened sand and gravel can be washed and dehydrated.

[0018] Furthermore, two fine sand recovery devices are provided, which are evenly distributed on the lower side of the washing device. Through the setting of the fine sand recovery devices, the sand and gravel after washing and dewatering can be recycled and reused.

[0019] Furthermore, two finished product conveying devices are provided, which are evenly distributed below the secondary screening device. The finished product conveying devices can be used to transport the screened sand and gravel.

[0020] Furthermore, a belt conveyor six is ​​provided on the lower side of the cone crusher. The belt conveyor six is ​​connected to the belt conveyor one through pipeline five. With the setting of the cone crusher, large-particle-size sand and gravel can be crushed and reprocessed.

[0021] Furthermore, a dust collector is connected to the left side of the buffer chamber via pipeline six, and the dust collector is connected to belt conveyor six via pipeline seven. The dust collector can handle particulate impurities such as dust.

[0022] Furthermore, a water atomizing device is installed on the left side of the raw ore feeding hopper, and a flushing water nozzle is installed on the left side of both the primary screening device and the secondary screening device. Through the installation of the water atomizing device and the flushing water nozzle, dust and other dust generated during production and transportation can be reduced. Attached Figure Description

[0023] Figure 1 This is a schematic diagram of the process of a high-efficiency sand and gravel production device according to an embodiment of the present invention.

[0024] The following detailed description illustrates the specific implementation method:

[0025] The reference numerals in the accompanying drawings of the instruction manual include: 1. Raw material conveying device; 2. Raw ore feeding hopper; 3. Vibrating feeder I; 4. Primary screening device; 5. Washing device; 6. Fine sand recovery device; 7. Finished product conveying device I; 8. Finished product stacking shed I; 9. Secondary screening device; 10. Finished product conveying device II; 11. Finished product stacking shed II; 12. Buffer silo; 13. Vibrating feeder II; 14. Cone crusher; 15. Dust collector. Detailed Implementation

[0026] The implementation examples are basically as follows Figure 1 As shown, this embodiment provides a high-efficiency sand and gravel production device, including a raw material conveying device 1, a raw ore feeding hopper 2 is provided on the lower side of the raw material conveying device 1, a vibrating feeder 3 is provided on the lower side of the raw ore feeding hopper 2, the vibrating feeder 3 is connected to a primary screening device 4 through a belt conveyor 1, the primary screening device 4 is connected to a washing device 5 through a pipeline 1, the washing device 5 is connected to a fine sand recovery device 6 through a pipeline 2, the fine sand recovery device 6 is connected to a finished product conveying device 7 through a belt conveyor 2, and a finished product stacking shed 8 is provided on the lower side of the finished product conveying device 7.

[0027] The primary screening device 4 is connected to the secondary screening device 9 via the belt conveyor 3. The secondary screening device 9 is connected to the belt conveyor 4 via the pipeline 3. The finished product conveying device 2 10 is installed below the belt conveyor 4. The finished product stacking shed 2 11 is installed below the finished product conveying device 2 10. The primary screening device 4 is connected to the belt conveyor 5 via the pipeline 4. The buffer silo 12 is installed below the belt conveyor 5. The vibrating feeder 2 13 is installed below the buffer silo 12. The cone crusher 14 is installed below the vibrating feeder 2 13.

[0028] like Figure 1 As shown, there are four washing devices 5, which are evenly distributed below the primary screening device 4. The washing devices 5 can be used to wash and dewater the screened sand and gravel. There are two fine sand recovery devices 6, which are evenly distributed below the washing devices 5. The fine sand recovery devices 6 can be used to recover and reuse the washed and dewatered sand and gravel.

[0029] like Figure 1 As shown, there are two finished product conveying devices 2 10. The two finished product conveying devices 2 10 are evenly distributed below the secondary screening device 9. The finished product conveying devices 2 10 can be used to transport the screened sand and gravel.

[0030] like Figure 1As shown, a belt conveyor 6 is installed on the lower side of the cone crusher 14. The belt conveyor 6 is connected to the belt conveyor 1 through pipeline 5. The cone crusher 14 can crush and reprocess large-sized sand and gravel. A dust collector 15 is connected to the left side of the buffer chamber 12 through pipeline 6. The dust collector 15 is connected to the belt conveyor 6 through pipeline 7. The dust collector 15 can treat dust and other particulate impurities.

[0031] like Figure 1 As shown, a water atomizing device is installed on the left side of the raw ore feeding hopper 2, and a rinsing water spray nozzle is installed on the left side of both the primary screening device 4 and the secondary screening device 9. Through the installation of the water atomizing device and the rinsing water spray nozzle, dust and other dust generated during production and transportation can be reduced.

[0032] The specific implementation process of this utility model is as follows:

[0033] 1. The raw materials are fed into the primary screening device 4 (heavy-duty circular vibrating screen) through the raw material conveying device 1 for screening;

[0034] 2. Materials <4.75mm enter the washing device 5 (integrated spiral sand washing machine) for washing and dewatering. Under the action of the fine sand recovery device 6 (fine sand recovery machine), the fine sand is recovered. Then, the finished product conveying device 7 conveys the material to the corresponding finished product storage shed 8.

[0035] 3. Materials larger than 37.5mm enter the cone crusher 14 of the large material crushing system for processing and then return to the primary screening device 4 (heavy-duty circular vibrating screen) for screening, and the cycle repeats.

[0036] 4. Materials with a diameter of 4.75-37.5mm are fed into the secondary screening device 9 (heavy-duty circular vibrating screen) by the belt conveyor for screening;

[0037] 5. The 4.75-19mm and 19-37.5mm materials obtained from the secondary screening are respectively conveyed by the finished product conveying device 2 10 to the corresponding finished product storage shed 2 11;

[0038] 6. The material <4.75mm obtained from the secondary screening and the material <4.75mm obtained from the primary screening are fed back into the washing device 5 (integrated spiral sand washing machine) for washing and dewatering. The fine sand is then recovered by the fine sand recovery device 6 (fine sand recovery machine) and then conveyed to the corresponding finished product storage shed 8 by the finished product conveying device 7.

[0039] This solution, through the series operation of two-stage screening devices, can process more sand and gravel materials simultaneously, avoiding blockage or reduced screening efficiency of a single screening machine due to excessive processing capacity. By connecting multiple screening devices in series, sand and gravel can be progressively finely screened, thereby more accurately separating sand and gravel of different particle sizes and improving overall screening accuracy. Compared with traditional parallel sand and gravel processing technology, this series process reduces the number of devices, thus lowering equipment costs.

[0040] It should be noted in advance that, in this invention, unless otherwise explicitly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention according to the specific circumstances.

[0041] The above descriptions are merely embodiments of the present invention, and common knowledge regarding specific structures and characteristics is not elaborated upon here. It should be noted that those skilled in the art can make various modifications and improvements without departing from the structure of the present invention, and these should also be considered within the scope of protection of the present invention. These modifications and improvements will not affect the effectiveness of the present invention or the practicality of the patent. The scope of protection claimed in this application should be determined by the content of its claims, and the specific embodiments described in the specification can be used to interpret the content of the claims.

Claims

1. A high-efficiency sand and gravel production device, comprising a raw material conveying device, characterized in that: The raw material conveying device is equipped with a raw ore feeding hopper at its lower side. A vibrating feeder is installed at the lower side of the raw ore feeding hopper. The vibrating feeder is connected to a primary screening device via a belt conveyor. The primary screening device is connected to a washing device via a pipeline. The washing device is connected to a fine sand recovery device via a pipeline. The fine sand recovery device is connected to a finished product conveying device via a belt conveyor. A finished product storage shed is installed at the lower side of the finished product conveying device. The primary screening device is connected to a secondary screening device via belt conveyor three. The secondary screening device is connected to belt conveyor four via pipeline three. A finished product conveying device two is installed below belt conveyor four. A finished product stacking shed two is installed below finished product conveying device two. The primary screening device is connected to belt conveyor five via pipeline four. A buffer silo is installed below belt conveyor five. A vibrating feeder two is installed below the buffer silo. A cone crusher is installed below vibrating feeder two.

2. The high-efficiency sand and gravel production device according to claim 1, characterized in that: The washing device is provided in four parts, which are evenly distributed below the primary screening device.

3. The high-efficiency sand and gravel production device according to claim 1, characterized in that: Two fine sand recovery devices are provided, and the two fine sand recovery devices are evenly distributed on the lower side of the washing device.

4. The high-efficiency sand and gravel production device according to claim 1, characterized in that: There are two finished product conveying devices, which are evenly distributed below the secondary screening device.

5. The high-efficiency sand and gravel production device according to claim 1, characterized in that: A belt conveyor six is ​​installed on the lower side of the cone crusher, and the belt conveyor six is ​​connected to the belt conveyor one through pipeline five.

6. The high-efficiency sand and gravel production device according to claim 1, characterized in that: A dust collector is connected to the left side of the buffer chamber via pipeline six, and the dust collector is connected to belt conveyor six via pipeline seven.

7. The high-efficiency sand and gravel production device according to claim 1, characterized in that: A water atomizing device is installed on the left side of the raw ore feeding hopper, and a flushing water spray nozzle is installed on the left side of both the primary screening device and the secondary screening device.

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