CN115041291A

CN115041291A - Control method, system, machine-made sand production device, readable storage medium and chip

Info

Publication number: CN115041291A
Application number: CN202210668223.XA
Authority: CN
Inventors: 王国华; 孙雷; 孙同昕; 关洲洋
Original assignee: Sany Heavy Equipment Co Ltd
Current assignee: Sany Heavy Equipment Co Ltd
Priority date: 2022-06-14
Filing date: 2022-06-14
Publication date: 2022-09-13

Abstract

The invention provides a control method, a control system, a machine-made sand production device, a computer readable storage medium and a chip for producing machine-made sand, wherein the control method comprises the following steps: acquiring flow and weight information; determining the real-time yield of sand materials and stone powder; determining whether the real-time yield of the sand is greater than a sand yield threshold value or not, and generating a first type judgment result; determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not, and generating a second type judgment result; if the first type of judgment result is yes, controlling the angle of a regulating baffle connected with the corresponding channel to be increased; and if the second type of judgment result is yes, increasing the opening degree of the air door or increasing the operation frequency, otherwise, decreasing the opening degree of the air door or decreasing the operation frequency. In the technical scheme of the invention, the fineness modulus of the finished sand is adjusted by changing the proportion of coarse sand, medium sand and fine sand or stone powder in the finished sand. After the user presets the proportional relation of coarse sand, medium sand, fine sand and stone powder, the whole regulation and control process does not need manual intervention, thereby being beneficial to reducing the labor intensity and improving the working efficiency.

Description

Control method, system, machine-made sand production device, readable storage medium and chip

Technical Field

The embodiment of the invention relates to the technical field of control systems, in particular to a control method for producing machine-made sand, a control system, a machine-made sand production device, a computer-readable storage medium and a chip.

Background

Different application fields and industries have different requirements on fineness modulus of the machine-made sand, so that the fineness modulus of the machine-made sand is required to be adjusted during production and processing of the machine-made sand so as to obtain a product meeting the use requirement. In the related technology, when the machine-made sand is produced, field personnel are required to observe the machine-made sand on the field, and workers adjust related equipment according to the modulus. In this way, the labor intensity of workers is high, the workers need to manually regulate and control the equipment, the regulation speed is low, and the efficiency is low.

Disclosure of Invention

In order to solve or improve at least one of the above technical problems, an object of an embodiment of the present invention is to provide a control method of producing machine-made sand.

It is a further object of embodiments of the present invention to provide a control system.

It is another object of embodiments of the present invention to provide a machine-made sand production apparatus.

It is another object of an embodiment of the present invention to provide a computer-readable storage medium.

It is another object of embodiments of the invention to provide a chip.

In order to achieve the above object, an embodiment of a first aspect of the present invention provides a control method for producing machine-made sand, which is used for a machine-made sand production apparatus, where the machine-made sand production apparatus includes a crusher, a screening apparatus, and a dust removal apparatus, where materials pass through the crusher to form various types of sand materials and stone dust, the various types of sand materials are screened through a plurality of channels of the screening apparatus, each channel is provided with a solid flow meter and a control baffle, the stone dust flows into a powder tank bin of the dust removal apparatus to be stored, the powder tank bin is provided with a weight sensor, and the control method for producing machine-made sand includes: acquiring flow information of each solid flowmeter and weight information of a weight sensor; determining the real-time yield corresponding to each type of sand according to the flow information, and determining the real-time yield of the stone powder according to the weight information; determining whether the real-time yield of at least one type of sand is greater than a sand yield threshold value, and generating a first type judgment result; determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not, and generating a second type judgment result; if at least one first type judgment result is yes, controlling a regulating baffle connected with the corresponding channel to increase the angle so as to increase the material returning amount of the sand materials of the corresponding type; and if the second type of judgment result is yes, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency, otherwise, controlling the dust removal device to decrease the opening degree of the air door or decrease the operation frequency.

According to the embodiment of the control method for producing the machine-made sand, provided by the invention, the fineness modulus of the finished sand is adjusted by changing the proportion of coarse sand, medium sand, fine sand or stone powder in the finished sand. The customer can realize intelligent regulation and control only by presetting the proportional relation of coarse sand, medium sand, fine sand and stone powder, the whole regulation and control process does not need manual intervention, the labor intensity is favorably reduced, and the working efficiency is improved.

The control method for producing the machine-made sand is used for a machine-made sand production device. The machine-made sand production device comprises a crusher, a screening device and a dust removal device. Wherein, the breaker is connected with screening plant, and the breaker is connected with dust collector. The crusher is used for crushing materials. The materials are crushed by a crusher to form various types of sand materials and stone powder. Optionally, the material passes through a crusher to form super-grain-size material, coarse sand, medium sand, fine sand and stone powder. Further, the screening device is provided with a plurality of channels, and various types of sand materials are screened through the plurality of channels of the screening device. Each type of sand material passes through a corresponding one of the channels. Each channel is provided with a solid flow meter and a regulating baffle. The solid flow meter is used for acquiring flow information of the corresponding channel so as to determine the real-time yield of the sand material. The channel is rotationally located to the regulation and control baffle, and the return charge volume of sand material in the channel is decided to the turned angle of regulation and control baffle. The larger the rotation angle of the regulating baffle plate is, the larger the material returning amount of the sand material in the channel is, and the smaller the material returning amount is otherwise. Furthermore, the dust removal device is provided with a powder tank bin, and the stone powder flows into the powder tank bin of the dust removal device for storage. The powder tank bin is provided with a weight sensor, and the weight sensor is used for acquiring weight information so as to determine the real-time yield of the stone powder.

Specifically, the control method for producing the machine-made sand comprises the following steps:

in the first step, flow information of each solid flow meter and weight information of the weight sensor are acquired. Because each channel is provided with the solid flow meter, and each type of sand material passes through in a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. The powder tank bin is used for storing sand materials, and the weight sensor is arranged on the powder tank bin, so that the real-time yield of the stone powder can be determined by acquiring the weight information of the weight sensor;

and secondly, determining the real-time yield corresponding to each type of sand according to the flow information, and determining the real-time yield of the stone powder according to the weight information. And carrying out data conversion on the flow information and the weight information in the form of electric signals, and determining the real-time yield of each type of sand material and the real-time yield of the stone powder. Optionally, the plurality of types of sand includes coarse sand, medium sand, and fine sand. The plurality of channels of the screening device comprise a first channel for coarse sand to pass through, a second channel for medium sand to pass through and a third channel for fine sand to pass through. The first channel is provided with a first solid flow meter, the second channel is provided with a second solid flow meter, and the third channel is provided with a third solid flow meter. First flow information is acquired through the first solid flow meter, second flow information is acquired through the second solid flow meter, and third flow information is acquired through the third solid flow meter. Acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, and acquiring a third real-time yield of fine sand according to the third flow information;

and thirdly, determining whether the real-time yield of at least one type of sand is greater than a sand yield threshold value, and generating a first type judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. Optionally, the plurality of types of sand includes coarse sand, medium sand, and fine sand. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result;

and step four, determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, and generating a second type judgment result. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not and generating a second type judgment result;

and fifthly, if at least one first type judgment result is yes, controlling a regulating baffle connected with the corresponding channel to increase the angle so as to increase the material returning amount of the sand materials of the corresponding type. And analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulation and control baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased. Optionally, the sand production threshold comprises a first production threshold for coarse sand, a second production threshold for medium sand, and a third production threshold for fine sand. The first type judgment result comprises a first judgment result, a second judgment result and a third judgment result. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand; if the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand; if the third real-time yield of the fine sand is greater than the third yield threshold value, the proportion of the fine sand in the finished sand is large, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning quantity of the fine sand and reduce the proportion of the fine sand in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of coarse sand, medium sand or fine sand in the finished sand. The fineness modulus is an index for representing the fineness degree and the category of the particle size of the natural sand, and the larger the fineness modulus is, the thicker the sand is. The fineness modulus of the coarse sand is 3.7-3.1, and the average grain diameter is more than 0.5 mm; the fineness modulus of the medium sand is 3.0 to 2.3, and the average grain diameter is 0.5mm to 0.35 mm; the fineness modulus of the fine sand is 2.2 to 1.6, and the average grain diameter is 0.35mm to 0.25 mm. The first yield threshold, the second yield threshold and the third yield threshold are preset in advance or obtained through data analysis. Optionally, a customer presets a proportional relation between coarse sand, medium sand, fine sand and stone powder, and the system compares the acquired data to regulate and control the screening device;

and sixthly, if the second type of judgment result is yes, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency, otherwise, controlling the dust removal device to decrease the opening degree of the air door or decrease the operation frequency. Analyzing the second judgment result, and if the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand; and if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of the stone powder in the finished sand.

In the technical scheme defined by the invention, the purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of coarse sand, medium sand, fine sand or stone powder in the finished sand. The customer can realize intelligent regulation and control only by presetting the proportional relation of coarse sand, medium sand, fine sand and stone powder, the whole regulation and control process does not need manual intervention, the labor intensity is favorably reduced, and the working efficiency is improved.

In addition, the technical scheme provided by the invention can also have the following additional technical characteristics:

in the above technical scheme, the multiple types of sand materials include coarse sand, medium sand and fine sand, the multiple channels of the screening device include a first channel for the coarse sand to pass through, a second channel for the medium sand to pass through and a third channel for the fine sand to pass through, the first channel is provided with a first solid flow meter and a first regulation and control baffle, the second channel is provided with a second solid flow meter and a second regulation and control baffle, the third channel is provided with a third solid flow meter and a third regulation and control baffle, and the flow information of each solid flow meter is obtained, specifically: acquiring first flow information of a first solid flow meter, second flow information of a second solid flow meter and third flow information of a third solid flow meter; determining the real-time yield corresponding to each type of sand according to the flow information, specifically: determining a first real-time yield of coarse sand according to the first flow information, determining a second real-time yield of medium sand according to the second flow information, and determining a third real-time yield of fine sand according to the third flow information; determining whether the real-time yield of at least one type of sand is greater than a sand yield threshold value, and generating a first type judgment result, wherein the first type judgment result comprises the following steps: determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result; determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result; determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result; if at least one first type judgment result is yes, controlling the regulating and controlling baffle plate connected with the corresponding channel to increase the angle so as to increase the material returning amount of the sand materials of the corresponding type, specifically comprising the following steps: if the first judgment result is yes, controlling the first regulating baffle to increase the angle so as to increase the return amount of coarse sand; otherwise, controlling the control baffle according to the second judgment result and/or the third judgment result; if the second judgment result is yes, controlling a second regulating baffle to increase the angle so as to increase the material returning amount of the medium sand; otherwise, controlling the control baffle according to the first judgment result and/or the third judgment result; if the third judgment result is yes, controlling a third regulating baffle to increase the angle so as to increase the material returning amount of the fine sand; otherwise, the control baffle is controlled according to the first judgment result and/or the second judgment result.

In the technical scheme, the various types of sand materials comprise coarse sand, medium sand and fine sand. Specifically, the fineness modulus of the coarse sand is 3.7-3.1, and the average particle size is more than 0.5 mm; the fineness modulus of the medium sand is 3.0 to 2.3, and the average grain diameter is 0.5mm to 0.35 mm; the fineness modulus of the fine sand is 2.2 to 1.6, and the average grain diameter is 0.35mm to 0.25 mm. The plurality of channels of the screening device include a first channel for coarse sand to pass through, a second channel for medium sand to pass through, and a third channel for fine sand to pass through. Further, the first channel is provided with a first solids flow meter and a first regulating baffle. First flow information is acquired through the first solids flow meter, and a first real-time production of the grit is determined according to the first flow information. Through changing the angle of first regulation and control baffle, adjust the returning charge volume of grit to change the proportion of grit in the finished product sand. Further, the second channel is provided with a second solid flow meter and a second regulating baffle. And acquiring second flow information through a second solid flow meter, and determining a second real-time yield of the medium sand according to the second flow information. The returned material amount of the medium sand is adjusted by changing the angle of the second regulating and controlling baffle so as to change the proportion of the medium sand in the finished sand. Further, the third channel is provided with a third solid flow meter and a third regulating baffle. And acquiring third flow information through a third solid flow meter, and determining a third real-time yield of the fine sand according to the third flow information. The return amount of the fine sand is adjusted by changing the angle of the third regulating baffle plate so as to change the proportion of the fine sand in the finished sand.

Further, the flow information of each solid flow meter is obtained, specifically: first flow information of a first solid flow meter, second flow information of a second solid flow meter and third flow information of a third solid flow meter are obtained. Because each channel is provided with the solid flow meter, and each type of sand material passes through in a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. Specifically, first flow information is acquired by a first solid flow meter, second flow information is acquired by a second solid flow meter, and third flow information is acquired by a third solid flow meter. And acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, and acquiring a third real-time yield of fine sand according to the third flow information.

Further, the real-time yield corresponding to each type of sand is determined according to the flow information, and specifically: and determining a first real-time yield of the coarse sand according to the first flow information, determining a second real-time yield of the medium sand according to the second flow information, and determining a third real-time yield of the fine sand according to the third flow information. And carrying out data conversion on the flow information and the weight information in the form of electric signals, and determining the real-time yield of each type of sand material and the real-time yield of the stone powder.

Further, determining whether the real-time production of at least one type of sand is greater than a sand production threshold, and generating a first type of judgment result, including: determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result; determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result; and determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. And analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulation and control baffle plate arranged on a channel for the corresponding type of sand materials to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased.

Further, the sand production threshold includes a first production threshold for coarse sand, a second production threshold for medium sand, and a third production threshold for fine sand. The first type judgment result comprises a first judgment result, a second judgment result and a third judgment result.

If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand; if the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled.

If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand; if the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large or not needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled.

If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand; if the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled.

The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of coarse sand, medium sand or fine sand in the finished sand.

In the technical scheme, the various types of sand materials further comprise super-grain-size materials, the multiple channels of the screening device further comprise fourth channels for the super-grain-size materials to pass through, the fourth channels are provided with fourth solid flow meters, whether the first real-time yield is larger than a first yield threshold value or not is determined, and a first judgment result is generated; determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result; determining whether the third real-time production is greater than a third production threshold, wherein before generating a third judgment result, the control method for producing the machine-made sand further comprises: acquiring fourth flow information of a fourth solid flow meter; determining a fourth real-time yield of the material with the super-grain diameter according to the fourth flow information; comparing the sum of the first real-time yield, the second real-time yield, the third real-time yield, the fourth real-time yield and the real-time yield of the stone powder with the yield of the crusher in a full load state multiplied by a first parameter; if the sum is smaller than the yield of the crusher in the full load state multiplied by the first parameter, the feeding amount of the system needs to be increased; if the sum is greater than the output of the crusher at full load multiplied by said first parameter, the feeding of the system needs to be reduced until the sum equals the output of the crusher at full load multiplied by said first parameter.

In the technical scheme, the various types of sand materials comprise super-grain-size materials besides coarse sand, medium sand and fine sand, and the grain size of the super-grain-size materials is larger than that of the coarse sand. The plurality of channels of the screening device further includes a fourth channel for the passage of the super-sized material. The fourth passage is provided with a fourth solids flow meter. And acquiring fourth flow information through the first solid flow meter, and determining a fourth real-time yield of the material with the super-grain diameter according to the fourth flow information.

Before determining whether the real-time production of at least one type of sand is greater than the sand production threshold and generating the first type of determination, the method of controlling production of manufactured sand further comprises:

fourth flow information for a fourth solid flow meter is obtained. Because the fourth solid flow meter is arranged on the fourth channel for the super-grain-size material to pass through, after the fourth flow information of the fourth solid flow meter is obtained, the fourth real-time yield of the super-grain-size material can be obtained through analysis of the fourth flow information;

determining a fourth real-time yield of the material with the super-grain diameter according to the fourth flow information;

the sum of the first, second, third, fourth and real-time yields is compared to the yield of the crusher at full load multiplied by a first parameter. Superposing a first real-time yield of coarse sand, a second real-time yield of medium sand, a third real-time yield of fine sand, a fourth real-time yield of super-grain-size materials and a real-time yield of stone powder to obtain a total, and comparing the total with a product obtained by multiplying the yield of the crusher in a full load state by a first parameter so as to analyze the current load state of the crusher;

if the sum is smaller than the yield of the crusher in the full load state multiplied by a first parameter, the feeding amount of the system needs to be increased; if the sum is larger than the output of the crusher at full load multiplied by the first parameter, the feeding amount of the system needs to be reduced until the sum equals the output of the crusher at full load multiplied by the first parameter. If the sum of the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand, the fourth real-time yield of super-grain-size materials and the real-time yield of stone powder is smaller than the sum of the yields of the crusher in a full-load state multiplied by a first parameter, the load of the crusher is smaller at the moment, and the feeding amount of the system is increased by controlling feeding equipment; if the sum of the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand, the fourth real-time yield of the super-grain-size material and the real-time yield of the stone powder is larger than the sum of the yield of the crusher in the full load state multiplied by the first parameter, the load of the crusher is larger at the moment, and the feeding equipment is controlled to reduce the feeding amount of the system. Until the sum of the real-time yields equals the yield of the full load condition of the crusher multiplied by the first parameter, at which time the load of the crusher is in an optimal condition.

In the above technical solution, the first parameter is 80% to 85%.

In the technical scheme, the first parameter is set to be 80-85%, so that the load state of the crusher during working can be in a reasonable range, the working efficiency is ensured, and the damage to equipment caused by overlarge load is avoided. Optionally, the first parameter is 85%, i.e. the load status when the crusher is working is 85% of full load.

In the technical scheme, whether the real-time yield of at least one type of sand is smaller than a sand yield threshold value is determined, and a first type judgment result is generated; determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value, and generating a second type judgment result, which specifically comprises the following steps: comparing and analyzing the proportional relation between the first real-time yield, the second real-time yield, the third real-time yield and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not to generate a first type judgment result, or whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not to generate a second type judgment result; determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result; determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result; determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result; and determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value or not, and generating a second type judgment result.

In the technical scheme, the method includes the steps of superposing a first real-time yield of coarse sand, a second real-time yield of medium sand, a third real-time yield of fine sand, a fourth real-time yield of super-grain-size materials and a real-time yield of stone powder to obtain a total, and comparing the total with a yield multiplied by a first parameter under a full load state of a crusher to analyze the load state of the current crusher, and specifically includes the following steps:

and comparing and analyzing the proportional relation among the first real-time yield, the second real-time yield, the third real-time yield and the real-time yield of the stone powder with a preset proportional relation. After the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder are determined, the real-time yields have a proportional relationship, the proportional relationship is compared with a proportional relationship preset by a customer and analyzed to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand yield threshold value or not, a first type judgment result is generated, or whether the real-time yield of stone powder is greater than a stone powder yield threshold value or not, and a second type judgment result is generated;

and determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand; if the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

and determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with the second channel is controlled to increase the angle so as to increase the material returning amount of the medium sand and reduce the proportion of the medium sand; if the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

and determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand; if the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, so that the rotation angle of the regulating and controlling baffle is controlled;

and determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value or not, and generating a second type judgment result. If the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the running frequency so as to reduce the proportion of the stone powder in the finished sand; and if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand.

Embodiments of the second aspect of the present invention provide a control system comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, the program or instructions, when executed by the processor, implementing the steps of the control method for producing manufactured sand in any of the above embodiments.

An embodiment of a third aspect of the invention provides a machine-made sand production apparatus, comprising: the control system in the above embodiment; the crusher is used for crushing materials, the materials are crushed to form super-grain-size materials, coarse sand, medium sand, fine sand and stone powder, and the crusher is connected with the control system; the screening device is connected with the crusher and is provided with a first channel for coarse sand to pass through, a second channel for medium sand to pass through, a third channel for fine sand to pass through and a fourth channel for super-grain-size materials to pass through; the dust removal device is connected with the crusher and is provided with a powder tank bin used for storing stone powder; the first solid flow meter is arranged in the first channel and is connected with the control system; the second solid flow meter is arranged on the second channel and is connected with the control system; the third solid flow meter is arranged in the third channel and is connected with the control system; the fourth solid flow meter is arranged on the fourth channel and is connected with the control system; the weight sensor is arranged in the powder tank bin and is connected with the control system; the first regulating baffle is rotatably arranged in the first channel and is connected with the control system; the second regulating baffle is rotatably arranged in the second channel and is connected with the control system; and the third regulating baffle is rotatably arranged in the third channel and is connected with the control system.

According to an embodiment of the control system of the present invention, the machine-made sand production device includes a control system, a crusher, a screening device, a dust removal device, a first solid flow meter, a second solid flow meter, a third solid flow meter, a fourth solid flow meter, a weight sensor, a first regulation baffle, a second regulation baffle, and a third regulation baffle. Specifically, the crusher is connected with the screening device, the crusher is connected with the dust removal device, and the crushing device is connected with the control system. The crusher is used for crushing materials. The materials pass through a crusher to form super-grain-size materials, coarse sand, medium sand, fine sand and stone powder. Further, the screening device is used for screening the super-grain-size materials, coarse sand, medium sand and fine sand. Specifically, the screening device is provided with a first channel for coarse sand to pass through, a second channel for medium sand to pass through, a third channel for fine sand to pass through and a fourth channel for super-particle-size materials to pass through. Each type of sand passes within a corresponding one of the channels. The dust removal device is provided with a powder tank bin which is used for storing stone powder.

Further, a first solid flow meter is arranged on the first channel and is connected with the control system. The second solid flow meter is arranged on the second channel and is connected with the control system. And the third solid flow meter is arranged on a third channel and is connected with the control system. And the fourth solid flow meter is arranged on the fourth channel and is connected with the control system. The control system obtains first flow information for the first channel via the first solids flow meter, and the control system determines a first real-time production of grit from the first flow information. The control system obtains second flow information of the second channel through the second solids flow meter, and the control system determines a second real-time production of the medium sand according to the second flow information. And the control system acquires third flow information of a third channel through a third solid flow meter, and determines a third real-time yield of the fine sand according to the third flow information. And the control system acquires fourth flow information of the fourth channel through the fourth solid flow meter, and determines a fourth real-time yield of the fine sand according to the fourth flow information.

Further, the weight sensor is arranged in the powder tank bin and is connected with the control system. The control system obtains the weight information of the powder tank bin through the weight sensor, and determines the real-time yield of the stone powder according to the weight information.

Further, first regulation and control baffle is rotationally located first passageway, and first regulation and control baffle can rotate relatively first passageway promptly. The first regulating baffle is connected with the control system. The second regulation baffle is rotationally arranged in the second channel, namely the second regulation baffle can rotate relative to the second channel. The second regulating baffle is connected with the control system. The third regulating baffle plate is rotatably arranged in the third channel, namely the third regulating baffle plate can rotate relative to the third channel. The third regulating baffle is connected with the control system.

After the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder are determined, the real-time yields have a proportional relationship, and the control system compares and analyzes the proportional relationship with the proportional relationship preset by a customer to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, so that a first type judgment result is generated, or whether the real-time yield of stone powder is greater than a stone powder yield threshold value or not, and a second type judgment result is generated.

And determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand; if the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand; if the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large or not needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand; if the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value or not, and generating a second type judgment result. If the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the running frequency so as to reduce the proportion of the stone powder in the finished sand; and if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand.

In the above technical solution, the method further comprises: and the input device is connected with the control system.

In the technical scheme, the machine-made sand production device further comprises an input device. Specifically, the input device is connected to the control system. By setting the input device, the user can input the preset proportional relation among coarse sand, medium sand, fine sand and stone powder.

In the above technical solution, the method further comprises: and the feeding equipment is connected with the crusher and the control system.

In the technical scheme, the machine-made sand production device further comprises feeding equipment. Specifically, the feeding equipment is connected with the crusher and the control system. The feeding equipment is used for conveying materials to the crusher. If the sum of the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand, the fourth real-time yield of super-grain-size materials and the real-time yield of stone powder is smaller than the sum of the yields of the crusher in a full-load state multiplied by a first parameter, the load of the crusher is smaller at the moment, and the feeding amount of the system is increased by controlling feeding equipment; if the sum of the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand, the fourth real-time yield of the super-grain-size material and the real-time yield of the stone powder is larger than the sum of the yield of the crusher in the full load state multiplied by the first parameter, the load of the crusher is larger at the moment, and the feeding equipment is controlled to reduce the feeding amount of the system.

An embodiment of a fourth aspect of the present invention provides a computer-readable storage medium storing a computer program which, when executed by a processor, implements the steps of the control method for producing manufactured sand in any of the above embodiments.

An embodiment of a fifth aspect of the present invention provides a chip, where the chip includes a processor and a communication interface, where the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the method for controlling manufacturing machine-made sand in any of the above embodiments.

Additional aspects and advantages of embodiments of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention.

Drawings

FIG. 1 illustrates a first flow diagram of a control method for producing manufactured sand according to one embodiment of the present disclosure;

FIG. 2 illustrates a second flow diagram of a control method of producing manufactured sand according to one embodiment of the present disclosure;

FIG. 3 shows a third flowchart of a control method of producing manufactured sand according to one embodiment of the present invention;

FIG. 4 illustrates a fourth flow chart of a control method of producing manufactured sand according to one embodiment of the present invention;

FIG. 5 shows a first schematic of a machine-made sand production apparatus according to one embodiment of the present disclosure;

FIG. 6 illustrates a second schematic view of a machine-made sand production apparatus according to one embodiment of the present disclosure;

FIG. 7 illustrates a fifth flow chart of a control method of producing manufactured sand according to one embodiment of the present invention.

Wherein, the correspondence between the reference numbers and the part names in fig. 5 and 6 is:

100: a control system; 200: a machine-made sand production device; 220: a crusher; 230: a screening device; 231: a first channel; 232: a second channel; 233: a third channel; 234: a fourth channel; 240: a dust removal device; 241: a powder tank bin; 251: a first solids flow meter; 252: a second solids flow meter; 253: a third solids flow meter; 254: a fourth solids flow meter; 260: a weight sensor; 271: a first regulating baffle; 272: a second regulating baffle; 273: a third regulating baffle; 280: an input device; 290: a feeding device.

Detailed Description

In order that the above objects, features and advantages of the embodiments of the present invention can be more clearly understood, embodiments of the present invention will be described in further detail below with reference to the accompanying drawings and detailed description. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present application, however, embodiments of the present invention may be practiced in other ways than those described herein, and therefore the scope of the present application is not limited to the specific embodiments disclosed below.

A control method, a control system, a machine-made sand production apparatus 200, a computer-readable storage medium, and a chip for producing machine-made sand provided according to some embodiments of the present invention are described below with reference to fig. 1 to 7.

Example one

As shown in fig. 5 and 6, a control method for producing machine-made sand according to an embodiment of the present invention is applied to a machine-made sand production apparatus 200. The manufactured sand manufacturing apparatus 200 includes a crusher 220, a sieving apparatus 230, and a dust removing apparatus 240. Wherein the crusher 220 is connected with the sieving device 230, and the crusher 220 is connected with the dust removing device 240. The crusher 220 is used to crush the material. The material passes through the crusher 220 to form various types of sand and stone powder. Optionally, the material passes through a crusher 220 to form super-grain size material, coarse sand, medium sand, fine sand, and stone dust. Further, the sieving device 230 has a plurality of channels, and various types of sand are sieved through the plurality of channels of the sieving device 230. Each type of sand passes within a corresponding one of the channels. Each channel is provided with a solid flow meter and a regulating baffle. The solid flow meter is used for acquiring flow information of the corresponding channel so as to determine the real-time yield of the sand material. The channel is rotationally located to the regulation and control baffle, and the return charge volume of sand material in the channel is decided to the turned angle of regulation and control baffle. The larger the rotation angle of the regulating baffle plate is, the larger the material returning amount of the sand material in the channel is, and the smaller the sand material returning amount is, otherwise. Further, the dust removing device 240 has a powder tank 241, and the stone powder flows into the powder tank 241 of the dust removing device 240 for storage. The powder tank bin 241 is provided with a weight sensor 260, and the weight sensor 260 is used for acquiring weight information to determine the real-time yield of the stone powder.

As shown in fig. 1, the control method of producing machine-made sand includes:

step S102, flow information of each solid flow meter and weight information of the weight sensor are acquired. Because each channel is provided with the solid flow meter, and each type of sand material passes through in a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. The powder tank bin is used for storing sand materials, and the weight sensor is arranged on the powder tank bin, so that the real-time yield of the stone powder can be determined by acquiring the weight information of the weight sensor;

and step S104, determining the real-time yield corresponding to each type of sand material according to the flow information, and determining the real-time yield of the stone powder according to the weight information. And carrying out data conversion on the flow information and the weight information in the form of electric signals to determine the real-time yield of each type of sand material and the real-time yield of the stone powder. Optionally, the plurality of types of sand includes coarse sand, medium sand, and fine sand. The plurality of channels of the screening device include a first channel for coarse sand to pass through, a second channel for medium sand to pass through, and a third channel for fine sand to pass through. The first channel is provided with a first solid flow meter, the second channel is provided with a second solid flow meter, and the third channel is provided with a third solid flow meter. First flow information is acquired through the first solid flow meter, second flow information is acquired through the second solid flow meter, and third flow information is acquired through the third solid flow meter. Acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, and acquiring a third real-time yield of fine sand according to the third flow information;

and S106, determining whether the real-time yield of at least one type of sand is greater than a sand yield threshold value, and generating a first type judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. Optionally, the plurality of types of sand material includes coarse sand, medium sand, and fine sand. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result;

and S108, determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, and generating a second type judgment result. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not and generating a second type judgment result;

and step S110, if at least one first type judgment result is yes, controlling the regulating baffle connected with the corresponding channel to increase the angle so as to increase the material returning amount of the sand materials of the corresponding type. And analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulation and control baffle plate arranged on a channel for the corresponding type of sand materials to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased. Optionally, the sand production threshold comprises a first production threshold for coarse sand, a second production threshold for medium sand, and a third production threshold for fine sand. The first type judgment result comprises a first judgment result, a second judgment result and a third judgment result. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand; if the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand; if the third real-time yield of the fine sand is greater than the third yield threshold value, the proportion of the fine sand in the finished sand is large, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning quantity of the fine sand and reduce the proportion of the fine sand in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of coarse sand, medium sand or fine sand in the finished sand. The fineness modulus is an index for representing the fineness degree and the category of the particle size of the natural sand, and the larger the fineness modulus is, the thicker the sand is. The fineness modulus of the coarse sand is 3.7-3.1, and the average grain diameter is more than 0.5 mm; the fineness modulus of the medium sand is 3.0 to 2.3, and the average grain diameter is 0.5mm to 0.35 mm; the fineness modulus of the fine sand is 2.2 to 1.6, and the average grain diameter is 0.35mm to 0.25 mm. The first yield threshold, the second yield threshold and the third yield threshold are preset in advance or obtained through data analysis. Optionally, a customer presets a proportional relation between coarse sand, medium sand, fine sand and stone powder, and the system compares the acquired data to regulate and control the screening device;

and step S112, if the second type of judgment result is yes, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency. Analyzing the second judgment result, and if the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand;

and step S114, otherwise, controlling the dust removal device to reduce the opening degree of the air door or reduce the operation frequency. And if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of the stone powder in the finished sand.

Example two

As shown in fig. 5, the various types of sand include coarse sand, medium sand, and fine sand. Specifically, the fineness modulus of the coarse sand is 3.7-3.1, and the average particle size is more than 0.5 mm; the fineness modulus of the medium sand is 3.0 to 2.3, and the average grain diameter is 0.5mm to 0.35 mm; the fineness modulus of the fine sand is 2.2 to 1.6, and the average grain diameter is 0.35mm to 0.25 mm. The plurality of channels of the sieving device 230 includes a first channel 231 through which coarse sand passes, a second channel 232 through which medium sand passes, and a third channel 233 through which fine sand passes. Further, the first channel 231 is provided with a first solids flow meter 251 and a first regulating baffle 271. First flow information is obtained via the first solids flow meter 251, and a first real-time production of grit is determined from the first flow information. The returned material amount of the coarse sand is adjusted by changing the angle of the first regulating baffle 271, so that the proportion of the coarse sand in the finished sand is changed. Further, the second passage 232 is provided with a second solids flow meter 252 and a second regulating baffle 272. Second flow information is obtained via the second solids flow meter 252 and a second real-time production of middlings is determined based on the second flow information. The returned material amount of the medium sand is adjusted by changing the angle of the second regulating baffle 272 so as to change the proportion of the medium sand in the finished sand. Further, the third channel 233 is provided with a third solids flow meter 253 and a third regulating baffle 273. And acquiring third flow information through a third solid flow meter 253, and determining a third real-time yield of the fine sand according to the third flow information. The returning charge of the fine sand is adjusted by changing the angle of the third regulating baffle 273, so that the proportion of the fine sand in the finished sand is changed.

As shown in fig. 2, the control method of producing the machine-made sand includes:

step S202, first flow information of the first solid flow meter, second flow information of the second solid flow meter, third flow information of the third solid flow meter, and weight information of the weight sensor are acquired. Because each channel is provided with the solid flow meter, and each type of sand material passes through in a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. Specifically, first flow information is acquired by a first solid flow meter, second flow information is acquired by a second solid flow meter, and third flow information is acquired by a third solid flow meter. And acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, and acquiring a third real-time yield of fine sand according to the third flow information. In addition, the powder tank bin is used for storing sand materials, and the weight sensor is arranged on the powder tank bin, so that the real-time yield of the stone powder can be determined by acquiring the weight information of the weight sensor;

step S204, determining a first real-time yield of coarse sand according to the first flow information, determining a second real-time yield of medium sand according to the second flow information, determining a third real-time yield of fine sand according to the third flow information, and determining a real-time yield of stone powder according to the weight information. Carrying out data conversion on the flow information and the weight information in the form of electric signals, and determining the real-time yield of each type of sand material and the real-time yield of stone powder;

step S206, determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

and step S208, if the first judgment result is yes, controlling the first regulating baffle to increase the angle so as to increase the returning amount of the coarse sand. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand;

and step S210, otherwise, controlling the control baffle according to the second judgment result and/or the third judgment result. If the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

in step S212, it is determined whether the second real-time yield is greater than the second yield threshold, and a second determination result is generated. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

and step S214, if the second judgment result is yes, controlling the second regulating baffle to increase the angle so as to increase the material returning amount of the medium sand. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand;

and S216, otherwise, controlling the control baffle according to the first judgment result and/or the third judgment result. If the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

step S218, determining whether the third real-time output is greater than a third output threshold, and generating a third determination result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

and step S220, if the third judgment result is yes, controlling a third regulating baffle to increase the angle so as to increase the material returning amount of the fine sand. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand;

and step S222, otherwise, controlling the control baffle according to the first judgment result and/or the second judgment result. If the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, so that the rotation angle of the regulating and controlling baffle is controlled;

step S224, determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, and generating a second type judgment result. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not and generating a second type judgment result;

in step S226, if the second type of determination result is yes, the dust removing device is controlled to increase the opening degree of the damper or increase the operating frequency. Analyzing the second judgment result, and if the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand;

and step S228, otherwise, controlling the dust removal device to reduce the opening degree of the air door or reduce the operation frequency. And if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of the stone powder in the finished sand.

The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of coarse sand, medium sand, fine sand or stone powder in the finished sand.

EXAMPLE III

As shown in fig. 5 and 6, the plurality of types of sand materials include super grain size materials having a grain size larger than that of the coarse sand, in addition to the coarse sand, the medium sand, and the fine sand. The plurality of channels of the sizing device 230 also includes a fourth channel 234 for the passage of the super-sized material. Fourth passage 234 is provided with a fourth solids flow meter 254. And acquiring fourth flow information through the first solid flow meter 251, and determining a fourth real-time yield of the material with the super-grain diameter according to the fourth flow information.

As shown in fig. 3, the control method of producing the machine-made sand includes:

step S302, first flow information of the first solid flow meter, second flow information of the second solid flow meter, third flow information of the third solid flow meter, fourth flow information of the fourth solid flow meter, and weight information of the weight sensor are acquired. Because each channel is provided with a solid flow meter, and each type of sand material passes through a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. Specifically, first flow information is acquired by a first solid flow meter, second flow information is acquired by a second solid flow meter, third flow information is acquired by a third solid flow meter, and fourth flow information is acquired by a fourth solid flow meter. And acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, acquiring a third real-time yield of fine sand according to the third flow information, and acquiring a fourth real-time yield of the material with the super-grain diameter according to the fourth flow information. In addition, the powder tank bin is used for storing sand materials, and the weight sensor is arranged on the powder tank bin, so that the real-time yield of the stone powder can be determined by acquiring the weight information of the weight sensor;

step S304, determining a first real-time yield of coarse sand according to the first flow information, determining a second real-time yield of medium sand according to the second flow information, determining a third real-time yield of fine sand according to the third flow information, determining a fourth real-time yield of the super-grain-size material according to the fourth flow information, and determining a real-time yield of the stone powder according to the weight information. Carrying out data conversion on the flow information and the weight information in the form of electric signals, and determining the real-time yield of each type of sand material and the real-time yield of stone powder;

step S306, comparing the sum of the first, second, third, fourth and real-time yields with the yield of the stone dust in the full load condition of the crusher multiplied by a first parameter. Superposing a first real-time yield of coarse sand, a second real-time yield of medium sand, a third real-time yield of fine sand, a fourth real-time yield of super-grain-size materials and a real-time yield of stone powder to obtain a total, and comparing the total with a product obtained by multiplying the yield of the crusher in a full load state by a first parameter so as to analyze the current load state of the crusher;

step S308, if the sum is smaller than the product of the crusher in the full load state multiplied by a first parameter, the feeding amount of the system needs to be increased; if the sum is larger than the output of the crusher at full load multiplied by the first parameter, the feeding amount of the system needs to be reduced until the sum equals the output of the crusher at full load multiplied by the first parameter. If the sum of the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand, the fourth real-time yield of super-grain-size materials and the real-time yield of stone powder is smaller than the sum of the yields of the crusher in a full-load state multiplied by a first parameter, the load of the crusher is smaller at the moment, and the feeding amount of the system is increased by controlling feeding equipment; if the sum of the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand, the fourth real-time yield of the super-grain-size material and the real-time yield of the stone powder is larger than the sum of the yield of the crusher in the full load state multiplied by the first parameter, the load of the crusher is larger at the moment, and the feeding equipment is controlled to reduce the feeding amount of the system. Until the sum of the real-time yields equals the yield of the full load condition of the crusher multiplied by the first parameter, at which time the load of the crusher is in an optimal condition.

Step S310, determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

in step S312, if the first determination result is yes, the first control baffle is controlled to increase the angle, so as to increase the material returning amount of the coarse sand. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in the finished sand (composed of the coarse sand, the medium sand, the fine sand and the stone powder), and at the moment, a first regulating and controlling baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand;

and step S314, otherwise, controlling the control baffle according to the second judgment result and/or the third judgment result. If the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, so that the rotation angle of the regulating and controlling baffle plate is controlled;

step S316, determining whether the second real-time yield is greater than a second yield threshold, and generating a second determination result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

and step S318, if the second judgment result is yes, controlling the second regulating baffle to increase the angle so as to increase the material returning amount of the medium sand. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with the second channel is controlled to increase the angle so as to increase the material returning amount of the medium sand and reduce the proportion of the medium sand;

and step S320, otherwise, controlling the control baffle according to the first judgment result and/or the third judgment result. If the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

step S322, determining whether the third real-time output is greater than a third output threshold, and generating a third determination result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

in step S324, if the third determination result is yes, the third control baffle is controlled to increase the angle, so as to increase the material returning amount of the fine sand. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand;

and step S326, otherwise, controlling the control baffle according to the first judgment result and/or the second judgment result. If the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, so that the rotation angle of the regulating and controlling baffle is controlled;

step S328, determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, and generating a second type judgment result. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not and generating a second type judgment result;

and step S330, if the second type of judgment result is yes, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency. Analyzing the second judgment result, and if the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand;

and step S332, otherwise, controlling the dust removal device to reduce the opening degree of the air door or reduce the operation frequency. And if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of the stone powder in the finished sand.

It is worth noting that the first parameter is 80% to 85%. By setting the first parameter to 80-85%, the load state of the crusher during operation can be in a reasonable range, and the damage to equipment caused by overlarge load is avoided while the work efficiency is ensured. Optionally, the first parameter is 85%, i.e. the load status when the crusher is working is 85% of full load.

Example four

As shown in fig. 4, the control method of producing the machine-made sand includes:

step S402, acquiring first flow information of the first solid flow meter, second flow information of the second solid flow meter, third flow information of the third solid flow meter, and weight information of the weight sensor. Because each channel is provided with the solid flow meter, and each type of sand material passes through in a corresponding channel, the real-time yield of the corresponding type of sand material can be determined by acquiring the flow information of each solid flow meter. Specifically, first flow information is acquired by a first solid flow meter, second flow information is acquired by a second solid flow meter, and third flow information is acquired by a third solid flow meter. And acquiring a first real-time yield of coarse sand according to the first flow information, acquiring a second real-time yield of medium sand according to the second flow information, and acquiring a third real-time yield of fine sand according to the third flow information. In addition, the powder tank bin is used for storing sand materials, and the weight sensor is arranged on the powder tank bin, so that the real-time yield of the stone powder can be determined by acquiring the weight information of the weight sensor;

step S404, determining a first real-time yield of coarse sand according to the first flow information, determining a second real-time yield of medium sand according to the second flow information, determining a third real-time yield of fine sand according to the third flow information, and determining a real-time yield of stone powder according to the weight information. Carrying out data conversion on the flow information and the weight information in the form of electric signals, and determining the real-time yield of each type of sand material and the real-time yield of stone powder;

step S406, comparing and analyzing the proportional relationship among the first real-time yield, the second real-time yield, the third real-time yield and the real-time yield of the stone powder with a preset proportional relationship. After the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder are determined, the real-time yields have a proportional relationship, the proportional relationship is compared with a proportional relationship preset by a customer and analyzed to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand yield threshold value or not, a first type judgment result is generated, or whether the real-time yield of stone powder is greater than a stone powder yield threshold value or not, and a second type judgment result is generated;

step S408, determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

step S410, if the first judgment result is yes, the first regulating baffle is controlled to increase the angle so as to increase the returning amount of coarse sand. If the first real-time yield of the coarse sand is greater than the first yield threshold value, the coarse sand accounts for a larger proportion in finished sand (composed of coarse sand, medium sand, fine sand and stone powder), and at the moment, a first regulating baffle connected with the first channel is controlled to increase the angle so as to increase the material returning amount of the coarse sand and reduce the proportion of the coarse sand in the finished sand;

and step S412, otherwise, controlling the control baffle according to the second judgment result and/or the third judgment result. If the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, so that the rotation angle of the regulating and controlling baffle plate is controlled;

step S414, determining whether the second real-time yield is greater than a second yield threshold, and generating a second determination result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so as to increase the material return amount of the corresponding type of sand materials;

in step S416, if the second determination result is yes, the second control baffle is controlled to increase the angle, so as to increase the material returning amount of the medium sand. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, a second regulating baffle connected with a second channel is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand;

and step S418, otherwise, controlling the control baffle according to the first judgment result and/or the third judgment result. If the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled;

step S420, determining whether the third real-time output is greater than a third output threshold, and generating a third determination result. And comparing the real-time output of the sand material with a sand material output threshold value preset in advance or obtained through analysis, judging whether the real-time output of the sand material is smaller than the sand material output threshold value or not, and generating a first type judgment result. And comparing and analyzing the proportional relation among the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value or not, and generating a first type judgment result. Analyzing the first type judgment result, and if the real-time yield of one or more types of sand materials is greater than the yield threshold value of the sand materials, controlling a regulating baffle arranged on a channel for the corresponding type of sand materials to pass through to increase the rotation angle, so that the material return amount of the corresponding type of sand materials is increased;

step S422, if the third judgment result is yes, the third regulating baffle is controlled to increase the angle so as to increase the material returning amount of the fine sand. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, a third regulating baffle connected with a third channel is controlled to increase the angle so as to increase the material returning amount of the fine sand and reduce the proportion of the fine sand in the finished sand;

step S424, otherwise, the control flap is controlled according to the first determination result and/or the second determination result. If the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, so that the rotation angle of the regulating and controlling baffle is controlled;

and step S426, determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, and generating a second type judgment result. Comparing and analyzing the proportional relation among the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand and the real-time yield of stone powder with a preset proportional relation to determine whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not and generating a second type judgment result;

in step S428, if the second type of determination result is yes, the dust removing device is controlled to increase the opening degree of the damper or increase the operating frequency. Analyzing the second judgment result, and if the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand;

and step S430, otherwise, controlling the dust removal device to reduce the opening degree of the air door or reduce the operation frequency. And if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, controlling the dust removal device to reduce the opening degree of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand. The purpose of adjusting the fineness modulus of the finished sand is achieved by changing the proportion of the stone powder in the finished sand.

EXAMPLE five

Embodiments of the present invention provide a control system, which includes a processor, a memory, and a program or instructions stored on the memory and executable on the processor, wherein the program or instructions, when executed by the processor, implement the steps of the control method for producing machine-made sand in any of the above embodiments.

EXAMPLE six

As shown in fig. 5 and 6, the machine-made sand production apparatus 200 according to an embodiment of the present invention includes a control system 100, a crusher 220, a sieving apparatus 230, a dust removing apparatus 240, a first solid flow meter 251, a second solid flow meter 252, a third solid flow meter 253, a fourth solid flow meter 254, a weight sensor 260, a first regulation damper 271, a second regulation damper 272, and a third regulation damper 273. Specifically, the crusher 220 is connected to the sieving device 230, the crusher 220 is connected to the dust removing device 240, and the crushing device is connected to the control system 100. The crusher 220 is used to crush the material. The material passes through a crusher 220 to form super-grain-size material, coarse sand, medium sand, fine sand and stone powder. Further, the screening device 230 is used for screening the super-grain-size materials, coarse sand, medium sand and fine sand. Specifically, the screening device 230 has a first passage 231 through which coarse sand passes, a second passage 232 through which medium sand passes, a third passage 233 through which fine sand passes, and a fourth passage 234 through which ultra-fine-sized material passes. Each type of sand passes within a corresponding one of the channels. The dust removing device 240 has a powder tank bin 241, and the powder tank bin 241 is used for storing stone powder.

Further, a first solids flow meter 251 is provided in the first passage 231, the first solids flow meter 251 being connected to the control system 100. A second solids flow meter 252 is disposed in the second passage 232, the second solids flow meter 252 being coupled to the control system 100. A third solids flow meter 253 is provided in the third passageway 233, the third solids flow meter 253 being connected to the control system 100. A fourth solids flow meter 254 is disposed in the fourth passage 234, the fourth solids flow meter 254 being coupled to the control system 100. The control system 100 obtains first flow information for the first channel 231 via the first solids flow meter 251, and the control system 100 determines a first real-time production of grit from the first flow information. The control system 100 obtains second flow information for the second passage 232 via the second solids flow meter 252, and the control system 100 determines a second real-time production of middlings based on the second flow information. The control system 100 acquires third flow information of the third channel 233 through the third solid flow meter 253, and the control system 100 determines a third real-time production of fine sand according to the third flow information. Control system 100 obtains fourth flow information for fourth passage 234 via fourth solids flow meter 254, and control system 100 determines a fourth real-time production of fine sand based on the fourth flow information.

Further, a weight sensor 260 is disposed in the powder tank bin 241, and the weight sensor 260 is connected to the control system 100. The control system 100 obtains the weight information of the powder tank 241 through the weight sensor 260, and the control system 100 determines the real-time yield of the stone powder according to the weight information.

Further, the first adjustable flap 271 is rotatably disposed in the first channel 231, that is, the first adjustable flap 271 can rotate relative to the first channel 231. The first regulatory flap 271 is connected to the control system 100. The second adjustable stop 272 is rotatably disposed in the second channel 232, i.e., the second adjustable stop 272 can rotate relative to the second channel 232. The second adjustable baffle 272 is coupled to the control system 100. The third control flap 273 is rotatably disposed in the third channel 233, i.e., the third control flap 273 is rotatable with respect to the third channel 233. The third regulating damper 273 is connected to the control system 100.

After the first real-time yield of the coarse sand, the second real-time yield of the medium sand, the third real-time yield of the fine sand and the real-time yield of the stone powder are determined, the real-time yields have a proportional relationship, and the control system 100 compares and analyzes the proportional relationship with the proportional relationship preset by a customer to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than a sand material yield threshold value, so as to generate a first type judgment result, or whether the real-time yield of the stone powder is greater than a stone powder yield threshold value, so as to generate a second type judgment result.

And determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result. If the first real-time yield of the coarse sand is greater than the first yield threshold, the ratio of the coarse sand in the finished sand (composed of coarse sand, medium sand, fine sand and stone powder) is larger, and at the moment, the angle of a first regulating baffle 271 connected with the first channel 231 is controlled to be increased, so that the material returning amount of the coarse sand is increased, and the ratio of the coarse sand in the finished sand is reduced; if the first real-time yield of the coarse sand is not greater than the first yield threshold value, whether the proportion of medium sand and fine sand in the finished sand is large or not needs to be analyzed by combining the second judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result. If the second real-time yield of the medium sand is greater than the second yield threshold value, the medium sand accounts for a larger proportion in the finished sand, and at the moment, the second regulating baffle 272 connected with the second channel 232 is controlled to increase the angle so as to increase the return amount of the medium sand and reduce the proportion of the medium sand; if the second real-time yield of the medium sand is not greater than the second yield threshold value, whether the proportion of coarse sand and fine sand in the finished sand is large or not needs to be analyzed by combining the first judgment result and/or the third judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result. If the third real-time yield of the fine sand is greater than the third yield threshold, the fine sand accounts for a larger proportion in the finished sand, and at the moment, the third regulating baffle 273 connected with the third channel 233 is controlled to increase the angle so as to increase the material return amount of the fine sand and reduce the proportion of the fine sand in the finished sand; if the third real-time yield of the fine sand is not greater than the third yield threshold, whether the proportion of coarse sand and medium sand in the finished sand is large needs to be analyzed by combining the first judgment result and/or the second judgment result, and therefore the rotation angle of the regulating and controlling baffle is controlled. And determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value or not, and generating a second type judgment result. If the real-time yield of the stone powder is greater than the stone powder yield threshold value, controlling the dust removal device 240 to increase the opening degree of the air door or increase the operation frequency so as to reduce the proportion of the stone powder in the finished sand; if the real-time yield of the stone powder is not greater than the stone powder yield threshold value, the dust removal device 240 is controlled to reduce the opening of the air door or reduce the running frequency so as to reduce the proportion of the stone powder in the finished sand.

Further, the machine-made sand production apparatus 200 further includes an input device 280. Specifically, the input device 280 is connected to the control system 100. By providing the input device 280, the user can input a predetermined proportional relationship between coarse sand, medium sand, fine sand, and stone powder.

Further, the machine-made sand production device 200 further includes a feeding device 290. Specifically, the feeder device 290 is coupled to the crusher 220, and the feeder device 290 is coupled to the control system 100. The feeding device 290 is used to feed material to the crusher 220. If the sum of the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand, the fourth real-time yield of ultra-particle size materials and the real-time yield of stone powder is smaller than the sum of the yields of the crusher 220 in the full load state multiplied by the first parameter, the load of the crusher 220 is smaller at the moment, and the feeding device 290 is controlled to increase the feeding amount of the system; if the sum of the first real-time yield of coarse sand, the second real-time yield of medium sand, the third real-time yield of fine sand, the fourth real-time yield of ultra-grain size material and the real-time yield of stone powder is greater than the sum of the yields of the crusher 220 in the full load state multiplied by the first parameter, the load of the crusher 220 is larger at this moment, and the feeding device 290 is controlled to reduce the feeding amount to the system.

EXAMPLE seven

An embodiment of the present invention provides a computer-readable storage medium storing a computer program, which when executed by a processor implements the steps of the control method for producing manufactured sand in any of the above embodiments.

Example eight

An embodiment of the present invention provides a chip, which includes a processor and a communication interface, wherein the communication interface is coupled to the processor, and the processor is configured to execute a program or instructions to implement the steps of the control method for manufacturing machine-made sand in any of the above embodiments.

Example nine

As shown in fig. 7, the control method of producing the machine-made sand includes:

step S702, setting target values of the proportion of coarse sand, medium sand, fine sand and stone powder;

step S704, collecting the proportion data of coarse sand, medium sand and fine sand and stone powder in production, comparing the proportion data with a set target value, and sending a regulation instruction;

and step S706, adjusting a regulating baffle of the screening device and the opening degree/operating frequency of an air door of the dust removal device.

According to the embodiments of the control method, the control system, the machine-made sand production device, the computer-readable storage medium and the chip for producing the machine-made sand, the fineness modulus of the finished sand is adjusted by changing the proportion of coarse sand, medium sand, fine sand or stone powder in the finished sand. The customer can realize intelligent regulation and control only by presetting the proportional relation of coarse sand, medium sand, fine sand and stone powder, the whole regulation and control process does not need manual intervention, the labor intensity is favorably reduced, and the working efficiency is improved.

In the present invention, the terms "first", "second", and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance; the term "plurality" means two or more unless expressly limited otherwise. The terms "mounted," "connected," "fixed," and the like are to be construed broadly, and for example, "connected" may be a fixed connection, a removable connection, or an integral connection; "coupled" may be direct or indirect through an intermediary. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.

In the description of the present invention, it should be understood that the terms "upper", "lower", "left", "right", "front", "rear", and the like indicate orientations or positional relationships based on orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of description, but do not indicate or imply that the device or unit referred to must have a specific direction, be constructed in a specific orientation, and operate, and thus, should not be construed as limiting the present invention.

In the description herein, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The control method for producing the machine-made sand is characterized by being used for a machine-made sand production device, the machine-made sand production device comprises a crusher, a screening device and a dust removal device, materials pass through the crusher to form various types of sand materials and stone powder, the various types of sand materials are screened through a plurality of channels of the screening device, each channel is provided with a solid flow meter and a regulating and controlling baffle, the stone powder flows into a powder tank bin of the dust removal device to be stored, the powder tank bin is provided with a weight sensor, and the control method for producing the machine-made sand comprises the following steps:

acquiring flow information of each solid flow meter and weight information of the weight sensor;

determining a real-time yield corresponding to each type of the sand material according to the flow information, and determining a real-time yield of the stone powder according to the weight information;

determining whether the real-time yield of at least one type of sand is greater than a sand yield threshold value, and generating a first type judgment result;

determining whether the real-time yield of the stone powder is greater than a stone powder yield threshold value or not, and generating a second type judgment result;

if at least one first type judgment result is yes, controlling a regulating baffle connected with the corresponding channel to increase the angle so as to increase the material returning amount of the sand material of the corresponding type;

and if the second type judgment result is yes, controlling the dust removal device to increase the opening degree of the air door or increase the operation frequency, otherwise, controlling the dust removal device to decrease the opening degree of the air door or decrease the operation frequency.

2. The control method for manufacturing machine-made sand according to claim 1, wherein the plurality of types of sand includes coarse sand, medium sand, and fine sand, the plurality of passages of the sieving device includes a first passage through which the coarse sand passes, a second passage through which the medium sand passes, and a third passage through which the fine sand passes, the first passage is provided with a first solid flow meter and a first regulation and control damper, the second passage is provided with a second solid flow meter and a second regulation and control damper, and the third passage is provided with a third solid flow meter and a third regulation and control damper,

the acquiring of the flow information of each solid flow meter specifically includes:

acquiring first flow information of the first solid flow meter, second flow information of the second solid flow meter and third flow information of the third solid flow meter;

the determining of the real-time yield corresponding to each type of the sand material according to the flow information specifically comprises:

determining a first real-time yield of the coarse sand according to the first flow information, determining a second real-time yield of the medium sand according to the second flow information, and determining a third real-time yield of the fine sand according to the third flow information;

the determining whether the real-time yield of the at least one type of sand is greater than a sand yield threshold value to generate a first type of judgment result includes:

determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result;

determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result;

determining whether the third real-time yield is greater than a third yield threshold value, and generating a third judgment result;

if at least one first type judgment result is yes, controlling a regulating baffle connected with a corresponding channel to increase the angle so as to increase the material returning amount of the sand materials of the corresponding type, and specifically:

if the first judgment result is yes, controlling the first regulating baffle to increase the angle so as to increase the returning amount of the coarse sand; otherwise, controlling the regulating baffle according to the second judgment result and/or the third judgment result;

if the second judgment result is yes, controlling the second regulating baffle to increase the angle so as to increase the material returning amount of the medium sand; otherwise, controlling the regulating and controlling baffle according to the first judgment result and/or the third judgment result;

if the third judgment result is yes, controlling the third regulating baffle to increase the angle so as to increase the material returning amount of the fine sand; otherwise, controlling the regulating baffle according to the first judgment result and/or the second judgment result.

3. The control method for manufacturing machine-made sand according to claim 2, wherein the plurality of types of sand further includes an ultra-sized material, the plurality of passages of the sieving device further includes a fourth passage through which the ultra-sized material passes, the fourth passage being provided with a fourth solid flow meter,

determining whether the first real-time yield is greater than a first yield threshold value, and generating a first judgment result; determining whether the second real-time yield is greater than a second yield threshold value, and generating a second judgment result; determining whether the third real-time production is greater than a third production threshold, wherein before a third judgment result is generated, the method for controlling the production of the machine-made sand further comprises:

acquiring fourth flow information of the fourth solid flow meter;

determining a fourth real-time yield of the super-grain material according to the fourth flow information;

comparing the sum of the first, second, third, fourth and live yields to the real-time yield of stone dust with the yield of the crusher at full load multiplied by a first parameter;

if the sum is smaller than the product of the crusher in the full load state multiplied by the first parameter, the feeding amount of the system needs to be increased; if the sum is larger than the output of the crusher at full load multiplied by the first parameter, the feeding amount of the system needs to be reduced until the sum equals the output of the crusher at full load multiplied by the first parameter.

4. The method of controlling production of manufactured sand of claim 3, wherein the first parameter is 80% to 85%.

5. The method of any of claims 2 to 4, wherein the determining of whether the real-time production of at least one type of the sand is less than a sand production threshold generates a first type of determination; determining whether the real-time yield of the stone powder is smaller than a stone powder yield threshold value, and generating a second type judgment result, which specifically comprises the following steps:

comparing and analyzing the proportional relation among the first real-time yield, the second real-time yield, the third real-time yield and the real-time yield of the stone powder with a preset proportional relation to determine whether the first real-time yield, the second real-time yield and the third real-time yield are greater than the sand material yield threshold value or not, generating a first type judgment result, or whether the real-time yield of the stone powder is greater than the stone powder yield threshold value or not, and generating a second type judgment result;

determining whether the first real-time yield is greater than a first yield threshold value or not, and generating a first judgment result;

and determining whether the real-time yield of the stone powder is smaller than the stone powder yield threshold value, and generating the second type judgment result.

6. A control system comprising a processor, a memory, and a program or instructions stored on the memory and executable on the processor, the program or instructions when executed by the processor implementing the steps of the control method of producing manufactured sand of any of claims 1 to 5.

7. A machine-made sand production device (200), comprising:

the control system (100) of claim 6;

the crusher (220) is used for crushing materials, the materials are crushed to form super-grain-size materials, coarse sand, medium sand, fine sand and stone powder, and the crusher (220) is connected with the control system (100);

a screening device (230) connected to the crusher (220), the screening device (230) having a first channel (231) for the coarse sand to pass through, a second channel (232) for the medium sand to pass through, a third channel (233) for the fine sand to pass through, and a fourth channel (234) for the ultra-sized material to pass through;

the dust removal device (240) is connected with the crusher (220), the dust removal device (240) is provided with a powder tank bin (241), and the powder tank bin (241) is used for storing the stone powder;

a first solids flow meter (251) disposed in the first passage (231), the first solids flow meter (251) being connected to the control system (100);

a second solids flow meter (252) disposed in the second passageway (232), the second solids flow meter (252) being connected to the control system (100);

a third solids flow meter (253) disposed in the third passageway (233), the third solids flow meter (253) being connected to the control system (100);

a fourth solids flow meter (254) disposed in the fourth passageway (234), the fourth solids flow meter (254) coupled to the control system (100);

the weight sensor (260) is arranged on the powder tank bin (241), and the weight sensor (260) is connected with the control system (100);

the first regulating baffle (271) is rotatably arranged in the first channel (231), and the first regulating baffle (271) is connected with the control system (100);

the second regulating baffle plate (272) is rotatably arranged in the second channel (232), and the second regulating baffle plate (272) is connected with the control system (100);

and the third regulating baffle plate (273) is rotatably arranged in the third channel (233), and the third regulating baffle plate (273) is connected with the control system (100).

8. The manufactured sand production device (200) according to claim 7, further comprising:

an input device (280) connected to the control system (100).

9. The machine-made sand production device (200) of claim 7, further comprising:

a feeding device (290) connected to the crusher (220), the feeding device (290) being connected to the control system (100).

10. A computer-readable storage medium, characterized in that it stores a computer program which, when executed by a processor, implements the steps of the control method of producing manufactured sand according to any one of claims 1 to 5.

11. A chip comprising a processor and a communication interface, the communication interface coupled to the processor, the processor configured to execute a program or instructions to implement the steps of the method of controlling manufactured sand of any of claims 1 to 5.