CN115285533A

CN115285533A - Charging device and method for particle materials, electronic equipment and storage medium

Info

Publication number: CN115285533A
Application number: CN202210955990.9A
Authority: CN
Inventors: 杨建才; 许刚; 张迪; 魏孔; 杨霄; 耿建成; 赵武; 闫家恺; 谢百垚; 王宇航; 李承昱; 刘景�; 高超; 王立峰; 王亚博
Original assignee: Henan Billions Advanced Material Co Ltd
Current assignee: Henan Billions Advanced Material Co Ltd
Priority date: 2022-08-10
Filing date: 2022-08-10
Publication date: 2022-11-04
Anticipated expiration: 2042-08-10
Also published as: CN115285533B

Abstract

The application provides a charging device, a charging method, electronic equipment and a storage medium of particle materials, wherein the device comprises a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, a charging bin positioned at the lower part and a production system; the storage bin is provided with a material level sensor which is used for detecting the material level in the storage bin and supplementing the storage bin; the intermediate material weighing bin is provided with a weighing sensor and is used for weighing the material obtained from the storage bin under the normal pressure state and supplementing the material to the feeding bin based on the weighing amount; when the middle material weighing bin finishes automatic material supplementing to the feeding bin, controlling a pressurizing nitrogen valve to open and detecting whether a pressure difference value between the bin pressure of the feeding bin and the pressure of the production system conforms to a preset differential pressure value, if not, controlling a pressure relief nitrogen regulating valve and a pressure stabilizing nitrogen regulating valve to open, regulating the bin pressure of the feeding bin based on the preset differential pressure value, and finishing stable material feeding of the feeding bin. Thereby realized stable transportation, automatic material conveying to the large granule material.

Description

Charging device and method for particle materials, electronic equipment and storage medium

Technical Field

The present application relates to the field of automatic charging technologies, and in particular, to a charging device and method for a particulate material, an electronic device, and a storage medium.

Background

The feeding device is used for conveying materials to the processing system through the feeding device in the material processing process so as to complete the processing of the materials.

At present, most of the existing feeding devices are powder feeding devices, belong to continuous feeding and are limited to powder material conveying. For example, in the oxidation process of the titanium dioxide by the chlorination process, aluminum powder reacts with chlorine to generate aluminum trichloride (AlCl 3) which is used as a crystal transformation agent in the production of the titanium dioxide by the chlorination process, so that the titanium dioxide is transformed from anatase type to rutile type. Therefore, in the production process of titanium dioxide by a chlorination process, stable addition of aluminum powder is related to the stability of the whole system. However, aluminum powder is highly harmful and can cause aluminum pneumoconiosis after long-term inhalation, and the powder and air can form an explosive mixture and explode when meeting sparks when reaching a certain concentration. Therefore, how to achieve feed transport of particulate material becomes a non-trivial technical problem.

Disclosure of Invention

In view of this, an object of the present application is to provide a feeding device, a method, an electronic device, and a storage medium for particulate materials, in which a storage bin, an intermediate weighing bin, and a feeding bin are disposed on the feeding device, so as to achieve transportation of the particulate materials, intermittent feeding, automatic calculation of feeding amount and interval time, automatic feeding, and automatic adjustment of bin pressure, thereby achieving stable transportation of the particulate materials.

The embodiment of the application provides a feeding device for granular materials, which comprises three bins, namely a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, a feeding bin positioned at the lower part and a production system; the storage bin, the intermediate weighing bin, the feeding bin and the production system are sequentially connected through a conveying pipeline, wherein the conveying pipeline is a large-caliber pipeline to convey large-particle materials;

the storage bin is provided with a material level sensor which is used for detecting the material level of the material in the storage bin, and when the material level does not meet the material feeding amount, the material in the storage bin is supplemented;

the intermediate material weighing bin is provided with a weighing sensor and is used for weighing the materials obtained from the storage bin under the normal pressure state and supplementing materials to the feeding bin based on the weighing amount;

the feeding bin is provided with a bin pressure detection point, a pressurizing nitrogen valve for pressurizing, a pressure-releasing nitrogen regulating valve for pressure releasing and a pressure-stabilizing nitrogen regulating valve for pressure stabilizing, when the intermediate bin is weighed to finish automatic feeding of the feeding bin, the pressurizing nitrogen valve is opened and whether the pressure difference value between the bin pressure of the feeding bin determined by the bin pressure detection point and the pressure of the production system meets a preset differential pressure value is detected, if not, the pressure-releasing nitrogen regulating valve and the pressure-stabilizing nitrogen regulating valve are controlled to be opened, the bin pressure of the feeding bin is regulated based on the preset differential pressure value, and stable feeding of the feeding bin is realized;

the production system is used for setting the blanking frequency, the material feeding amount and the switch valve of the storage bin, the intermediate material weighing bin and the feeding bin.

In a possible embodiment, a feeder and an intermediate weighing bin inlet valve are arranged in sequence on the conveying pipeline between the storage bin and the intermediate weighing bin, wherein:

the feeder and the weighing sensor are arranged in a correlated mode, and when the intermediate weighing bin feeds materials, the feeder switches different feeding rates based on the weighing quantity measured by the weighing sensor.

In a possible embodiment, an intermediate weighing bin outlet valve, a first feeding inlet valve and a second feeding inlet valve are arranged in sequence on the conveying pipeline between the intermediate weighing bin and the feeding bin.

In a possible embodiment, a feeding bin outlet valve, a blanking valve and a cutting disc valve are arranged on the conveying pipeline between the feeding bin and the production system in sequence, and a conveying nitrogen gas valve is arranged at a nitrogen gas bypass pipeline adjacent to the conveying pipeline between the feeding bin and the production system, wherein:

when the adjustment of the bin pressure of the feeding bin is finished, sequentially opening the discharging valve and the outlet valve of the feeding bin;

the cutting disc valve is used for automatically cutting off the connection between the feeding device and the production system when the feeding device needs to be overhauled, and the pressure of the production system is prevented from being reversed to the feeding device.

In a possible embodiment, a vibrator is arranged on the conveying pipeline between the feeding bin and the production system and is used for vibrating the pipe wall during blanking so as to be convenient for conveying materials and prevent the materials from being accumulated in the blanking pipe.

In a possible embodiment, the charging device further comprises an exhaust duct, wherein:

the feeding bin is connected with the storage bin through the exhaust pipeline, so that released nitrogen is conveyed to the storage bin.

The embodiment of the application also provides a particle material feeding method, which comprises the following steps:

acquiring a preset material feeding amount;

controlling the feed supplement rate of the feeder based on the material feed amount and the weighing amount to complete automatic feed supplement;

after the material supplementing is finished, controlling an inlet valve of the intermediate weighing bin to be closed, and controlling a second feeding inlet valve, a first feeding inlet valve and an outlet valve of the intermediate weighing bin to be opened in sequence so as to enable the material to enter the feeding bin from the intermediate weighing bin, and controlling an outlet valve of the intermediate weighing bin, a first feeding inlet valve and a second feeding inlet valve to be closed in sequence;

controlling a pressure charging nitrogen valve to open and detecting whether a pressure difference value between the bin pressure of the feeding bin and the pressure of the production system conforms to a preset differential pressure value, and if not, controlling a pressure relief nitrogen regulating valve and a pressure stabilizing nitrogen regulating valve to open;

based on preset differential pressure value adjust with the storehouse pressure in feed bin until after adjusting add the pressure difference of the storehouse pressure in feed bin and production system pressure and accord with preset differential pressure value, control unloading valve, add feed bin outlet valve and bobbing machine and open to make the material get into production system.

In a possible embodiment, the controlling the feeding speed of the feeder based on the material feeding amount and the weighing amount to complete automatic feeding comprises:

detecting whether the difference value of the material feeding amount and the weighing amount is smaller than a first preset value or not, and if so, controlling the feed supplement rate of the feeder to be a medium speed; if not, controlling the feed supplement rate of the feeder to be high speed;

detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a second preset value or not; and if the feeding rate of the feeder is controlled to be a low speed, otherwise, the feeding rate of the feeder is controlled to be a medium speed, wherein the first preset value is larger than the second preset value.

An embodiment of the present application further provides an electronic device, including: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating via the bus when the electronic device is operating, the machine-readable instructions when executed by the processor performing the steps of the method of charging particulate material as described above.

Embodiments of the present application also provide a computer-readable storage medium, on which a computer program is stored, which, when executed by a processor, performs the steps of the method for charging particulate material as described above.

The feeding device comprises a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, a feeding bin positioned at the lower part and a production system, wherein the three bins are respectively a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, and a storage medium; the storage bin, the intermediate weighing bin, the feeding bin and the production system are sequentially connected through a conveying pipeline, wherein the conveying pipeline is a large-caliber pipeline to convey large-particle materials; the storage bin is provided with a material level sensor which is used for detecting the material level in the storage bin, and when the material level does not meet the material feeding amount, the material in the storage bin is supplemented; the intermediate material weighing bin is provided with a weighing sensor and is used for weighing the material obtained from the storage bin under the normal pressure state and supplementing the material to the feeding bin based on the weighing amount; the feeding bin is provided with a bin pressure detection point, a pressurizing nitrogen valve for pressurizing, a pressure-releasing nitrogen regulating valve for pressure releasing and a pressure-stabilizing nitrogen regulating valve for pressure stabilizing, when the intermediate bin is weighed and the automatic feeding of the feeding bin is completed, the pressurizing nitrogen valve is controlled to be opened, whether the pressure difference value between the bin pressure of the feeding bin determined by the bin pressure detection point and the pressure of the production system meets a preset differential pressure value or not is detected, if not, the pressure-releasing nitrogen regulating valve and the pressure-stabilizing nitrogen regulating valve are controlled to be opened, the bin pressure of the feeding bin is regulated based on the preset differential pressure value, and the stable feeding of the feeding bin is realized; the production system is used for setting the blanking frequency, the material feeding amount and the switch valve of the storage bin, the intermediate material weighing bin and the feeding bin. Through set up storage silo, middle title feed bin and add the feed bin on feeding device, realize that large granule material is carried, intermittent type is reinforced, automatic calculation adds material volume and interval time, automatic feed supplement, storehouse press automatically regulated to the stable transmission of large granule material has been realized.

In order to make the aforementioned objects, features and advantages of the present application comprehensible, preferred embodiments accompanied with figures are described in detail below.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are required to be used in the embodiments will be briefly described below, it should be understood that the following drawings only illustrate some embodiments of the present application and therefore should not be considered as limiting the scope, and for those skilled in the art, other related drawings can be obtained from the drawings without inventive effort.

Fig. 1 is a schematic structural diagram of a feeding device for particulate materials according to an embodiment of the present disclosure;

fig. 2 is a second schematic structural diagram of a feeding device for particulate materials according to an embodiment of the present application;

FIG. 3 is a flow chart of a method for charging a particulate material provided in an embodiment of the present application;

fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present application.

Icon: 100-a feeding device for particulate material; 110-a storage bin; 111-a level sensor; 112-a feeder; 113-intermediate weigh bin inlet valve; 120-intermediate weighing of a stock bin; 121-a load cell; 122-intermediate weigh bin outlet valve; 123-a first feed inlet valve; 124-a second feed inlet valve; 130-a feed bin; 131-a pressurized nitrogen gas valve; 132-nitrogen relief valve; 133-nitrogen regulating valve of steady voltage; 134-feed bin outlet valve; 135-nitrogen delivery valve; 136-a discharge valve; 137-a shut-off disk valve; 138-a shaker; 140-a production system; 400-an electronic device; 410-a processor; 420-a memory; 430-bus.

Detailed Description

In order to make the purpose, technical solutions and advantages of the embodiments of the present application clearer, the technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it should be understood that the drawings in the present application are for illustrative and descriptive purposes only and are not intended to limit the scope of the present application. Additionally, it should be understood that the schematic drawings are not necessarily drawn to scale. The flowcharts used in this application illustrate operations implemented according to some embodiments of the present application. It should be understood that the operations of the flow diagrams may be performed out of order, and that steps without logical context may be performed in reverse order or concurrently. One skilled in the art, under the guidance of this application, may add one or more other operations to, or remove one or more operations from, the flowchart.

In addition, the described embodiments are only a part of the embodiments of the present application, and not all of the embodiments. The components of the embodiments of the present application, generally described and illustrated in the figures herein, can be arranged and designed in a wide variety of different configurations. Thus, the following detailed description of the embodiments of the present application, presented in the accompanying drawings, is not intended to limit the scope of the claimed application, but is merely representative of selected embodiments of the application. All other embodiments, which can be obtained by a person skilled in the art without making any inventive step based on the embodiments of the present application, fall within the scope of protection of the present application.

To enable one skilled in the art to use the present disclosure in conjunction with a particular application scenario "to automate the feeding of particulate material," the following embodiments are presented to enable one skilled in the art to apply the general principles defined herein to other embodiments and application scenarios without departing from the spirit and scope of the present disclosure.

The following method, device, electronic device or computer-readable storage medium in the embodiments of the present application may be applied to any scenario where automatic feeding of a particulate material is required, and the embodiments of the present application do not limit the specific application scenario, and any scheme that uses the apparatus, method, electronic device and storage medium for feeding a particulate material provided in the embodiments of the present application is within the protection scope of the present application.

First, an application scenario to which the present application is applicable will be described. This application can be applied to automatic material conveying technical field.

Research shows that most of the existing feeding devices are powdery feeding devices at the present stage, belong to continuous feeding and are limited to conveying powdery materials. For example, in the oxidation process of the titanium dioxide by the chlorination process, aluminum powder reacts with chlorine to generate aluminum trichloride (AlCl 3), which is used as a crystal transformation agent in the production of the titanium dioxide by the chlorination process to transform titanium dioxide from anatase type to rutile type. Therefore, in the production process of titanium dioxide by a chlorination process, stable addition of aluminum powder is related to the stability of the whole system. However, aluminum powder is highly harmful and can cause aluminum pneumoconiosis after long-term inhalation, and the powder and air can form an explosive mixture and explode when meeting sparks when reaching a certain concentration. Therefore, how to achieve feed transport of particulate material becomes a non-trivial technical problem.

Based on this, this application embodiment provides a feeding device of granule material, through set up storage silo, the middle feed bin of title and add the feed bin on feeding device, realize that large granule material is carried, intermittent type is reinforced, automatic calculation feed amount and interval time, automatic feed supplement, storehouse press automatically regulated to the stable transmission of large granule material has been realized.

Referring to fig. 1, fig. 1 is a schematic structural diagram of a feeding device 100 for particulate materials according to an embodiment of the present disclosure. As shown in fig. 1, the feeding device 100 for particulate materials provided by the embodiment of the present application includes three bins, namely, an upper storage bin 110, a middle weighing bin 120, a lower feeding bin 130 and a production system 140; the storage bin 110, the intermediate weighing bin 120, the feeding bin 130 and the production system 140 are sequentially connected through a conveying pipeline, wherein the conveying pipeline is a large-caliber pipeline to convey large-particle materials.

Specifically, a material level sensor 111 is arranged on the storage bin 110 and is used for detecting the material level in the storage bin 110, and when the material level does not meet the material feeding amount, the material in the storage bin 110 is supplemented; the intermediate material weighing bin 120 is provided with a weighing sensor 121 for weighing the material obtained from the storage bin 110 under a normal pressure state and supplementing the material to the feeding bin 130 based on the weighing amount; the feeding bin 130 is provided with a bin pressure detection point, a pressurizing nitrogen valve 131 for pressurizing, a pressure-releasing nitrogen regulating valve 132 for pressure releasing and a pressure-stabilizing nitrogen regulating valve 133 for pressure stabilizing, when the intermediate weighing bin finishes automatic feeding to the feeding bin, the pressurizing nitrogen valve 131 is controlled to be opened, whether the pressure difference value between the bin pressure of the feeding bin 130 determined by the bin pressure detection point and the pressure of the production system 140 meets a preset differential pressure value is detected, if not, the pressure-releasing nitrogen regulating valve 132 and the pressure-stabilizing nitrogen regulating valve 133 are controlled to be opened, the bin pressure of the feeding bin 130 is regulated based on the preset differential pressure value, and stable feeding of the feeding bin 130 is realized; the production system 140 is configured to set the blanking frequency, set the material charging amount, and control the on-off valve of the storage bin 110, the intermediate weighing bin 120, and the charging bin 130.

Here, the material can be the aluminium grain that needs to add in utilizing chlorination method titanium white powder production process, and wherein, the aluminium grain can be granular or powdered, and any device that needs here to carry out the feeding to particulate material all adapts to the feeding device of particulate material that this application provided.

Here, the intermediate material weighing bin 120 is used as a material weighing bin, so that the material can be weighed under normal pressure, and the feeding bin 130 can be fed under normal pressure, thereby ensuring weighing precision and feeding stability.

The device can realize intermittent feeding, the intermediate bin weighing amount is measured by the weighing sensor on the basis of automatically calculating the feeding amount and the interval time, an operator gives a set value according to the feeding amount required by the production running load, and a program automatically controls the valve switch according to the set value to achieve the purpose of automatically closing the feeding amount valve.

Wherein, the storage bin 110, the intermediate weighing bin 120 and the feeding bin 130 are utilized to realize automatic intermittent feeding and automatic feeding of the belt pressing production system 140. Here, the automatic feeding is realized by charging and discharging nitrogen gas to and from the charging bin 130 on the premise of charging and discharging the charging bin 130. When the feeding bin 130 needs to feed materials, the program automatically opens the pressure relief nitrogen regulating valve 132 so that when the pressure of the feeding bin 130 tends to normal pressure, the program automatically opens the discharging valve 136 door to communicate the intermediate weighing bin 120 and the feeding bin 130, and the intermediate weighing bin 120 feeds the feeding bin 130.

Here, the level sensor 111 disposed on the storage bin 110 is used to detect whether the material level stored in the storage bin 110 satisfies the material charging amount required by the charging bin 130, and when the material level does not satisfy the material charging amount, the material in the storage bin 110 needs to be supplemented in time.

Here, the intermediate weighing bin 120 is provided with a weighing sensor 121 for weighing the material obtained from the storage bin 110 under normal pressure, so that the feeding bin 130 is fed under normal pressure according to the weighed material.

Here, the production system 140 employs a distributed control system, and the distributed control system sets the discharge frequency, the material charge amount, and the on-off valve of the storage bin 110, the intermediate weighing bin 120, and the charge bin 130.

Wherein, improve the shortcoming that original feeding device can only carry the powder, weigh through increasing the intermediate bin, increase unloading and pipeline bore, methods such as increase conveying gas output realize the feed supplement and the transport of large granule material.

The intermediate bin weighing capacity is measured by the weighing sensor 121 on the basis of automatically calculating the feeding capacity and the interval time, an operator gives a set value according to the feeding capacity required by the production running load, and a program automatically controls the valve switch according to the set value to automatically close the valve with the set weighing capacity.

Here, a differential pressure value of the pressure difference between the feeding bin 130 and the production system 140 is set, when the pressure of the on-off valve of the feeding bin 130 is higher than a set value of the production system 140, the pressure nitrogen charging valve 131 is closed, a pressure difference value is determined by the difference between the pressure of the feeding bin 130 and the pressure of the production system 140, the pressure difference value needs to be controlled to be consistent with the differential pressure value, and the pressure difference value is layered and automatically controlled by the PID algorithm to control the pressure nitrogen discharging regulating valve 132 and the pressure nitrogen stabilizing regulating valve 133 of the feeding bin 130. The pressure difference firstly controls the pressure relief nitrogen regulating valve 132 to control the pressure of the feeding bin 130 to be constant, when the pressure relief nitrogen regulating valve 132 is closed and is not enough to maintain the bin pressure, the pressure stabilization nitrogen regulating valve 133 starts to open and regulate the bin pressure, and when the pressure stabilization nitrogen regulating valve 133 is closed, the pressure relief nitrogen regulating valve 132 is opened again to circulate. By the control mechanism, the pressure difference value is controlled to be consistent with the differential pressure value, and stable feeding of the feeding bin 130 is realized. The device can realize automatic material supplement under the normal pressure state, and the stability of the material supplement is ensured by filling and discharging nitrogen to the feeding bin on the premise of pressurizing and discharging the feeding bin. When the feeding bin needs feeding, the pressure relief valve is automatically opened by a program, when the feeding pressure tends to normal pressure, the blanking valve is automatically opened by the program, the middle weighing bin and the feeding bin are communicated, and the middle weighing bin feeds the feeding bin.

The distributed control system used in the production system 140 is programmed, the control of the opening and closing amount of the valve and the motor in the device, the detection of an analog quantity point, the differential pressure calculation of the system, the automatic calculation of the feeding amount and the interval time according to the requirements of process parameters, the layered automatic control of a PID algorithm and the sequential control are realized in the production system 140. The control points in the plant all direct control signals and feedback signals to the distributed control system used by the production system 140 by hard wiring. The vibrator 138 and the blanking valve 136 form an interlock to control the start-stop and vibration time of the vibrator 138.

The device control system adopts the distributed control system used by the production system 140 to carry out programming, and overcomes the defect that the original charging system is easy to generate communication faults because the original charging system is communicated with the main production system through third-party equipment programming. The valve switching amount control, the system differential pressure calculation, the automatic material feeding amount and the interval time are realized in the production system 140, the automatic sequence control and the automatic material feeding amount control are easily realized through programming, the material feeding amount and the material feeding frequency can be adjusted according to the process requirements, the precision of the material feeding amount is ensured, the system shutdown caused by communication faults of a main system and third-party equipment can be avoided, and the maintenance and the optimization of a later-stage feeding device control system are facilitated.

In the illustrated embodiment, the particulate material charging device 100 is divided into three bins, an upper storage bin 110, a middle weighing bin 120, and a lower charging bin 130. The three bins are connected through a conveying pipeline and a blanking valve 136, the material level sensor 111 is arranged on the storage bin 110 and used for measuring the material level, the charging bin 130 is provided with a pressurizing nitrogen valve 131 for pressurizing the charging bin 130, a pressure-releasing nitrogen regulating valve 132 for releasing pressure and a pressure-stabilizing nitrogen regulating valve 133 for stabilizing pressure, the intermediate weighing bin 120 is provided with a weighing sensor 121 for weighing the material obtained from the storage bin 110 under the normal pressure state, so that the charging bin 130 is supplemented with material under the normal pressure, the charging bin 130 is provided with bin pressure measuring points, and the pressure of the charging bin 130 and the pressure of the production system 140 are subjected to differential pressure so as to control the pressure of the charging bin 130. The lower portion of the feed bin 130 has a delivery conduit for delivering material to the production system 140 via a delivery gas. The valves of all meters in the feeding device 100 for granular materials are programmed by a distributed control system used by the production system 140 to perform switching value control, PID algorithm hierarchical automatic control and sequential control program control, and the materials are automatically fed in sequence.

Further, referring to fig. 2, fig. 2 is a second schematic structural diagram of a feeding device 100 for particulate materials according to an embodiment of the present application. As shown in fig. 2, a feeding machine 112 and an intermediate weighing bin inlet valve 113 are sequentially arranged on the conveying pipeline between the storage bin 110 and the intermediate weighing bin 120, an intermediate weighing bin outlet valve 122, a first feeding inlet valve 123 and a second feeding inlet valve 124 are sequentially arranged on the conveying pipeline between the intermediate weighing bin 120 and the feeding bin 130, a feeding bin outlet valve 134, a conveying nitrogen valve 135, a blanking valve 136 and a cutting disk valve 137 are sequentially arranged on the conveying pipeline between the feeding bin 130 and the production system 140, a vibrating machine 138 is arranged on the conveying pipeline between the feeding bin 130 and the production system 140, and is used for vibrating a pipe wall during blanking, so as to facilitate conveying materials and prevent the materials from being accumulated in the blanking pipe, and the feeding device further comprises an exhaust pipeline.

Specifically, a feeding machine 112 and an intermediate weighing bin inlet valve 113 are sequentially arranged on the conveying pipeline between the storage bin 110 and the intermediate weighing bin 120, wherein: the feeding machine 112 is arranged in association with the weighing sensor 121, and when the intermediate weighing bin 120 is used for feeding, the feeding machine 112 switches different feeding rates based on the weighing amount measured by the weighing sensor 121.

Here, a material feeder 112 and an intermediate silo inlet valve 113 are sequentially provided on the conveying pipe between the storage silo 110 and the intermediate silo 120.

Here, the feeder 112 is used to feed the material in the storage bin 110 through an intermediate weigh bin inlet valve 113 into an intermediate weigh bin 120.

When the intermediate weighing bin 120 is used for feeding, the feeder 112 switches different feeding rates based on the weighing amount measured by the weighing sensor to realize automatic feeding, which includes: detecting whether the difference value between the material feeding amount and the weighing amount weighed by the weighing sensor 121 is smaller than a first preset value, if so, controlling the feeding rate of the feeder 112 to be a medium speed; if not, controlling the feed supplement rate of the feeder 112 to be high; detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a second preset value or not; if so, controlling the feeding rate of the feeder 112 to be a low speed, and if not, controlling the feeding rate of the feeder 112 to be a medium speed, wherein the first preset value is greater than the second preset value.

The feeder 112 is interlocked with the weighing sensor 121, and when the intermediate weighing bin 120 feeds materials, different feeding rates (high, medium and low) are switched according to real-time weighing to feed materials, so that the feeding precision is ensured.

Specifically, an intermediate weighing bin outlet valve 122, a first feeding inlet valve 123 and a second feeding inlet valve 124 are sequentially arranged on the conveying pipeline between the intermediate weighing bin 120 and the feeding bin 130.

Here, the intermediate weigh bin outlet valve 122, the first feed introduction inlet valve 123 and the second feed introduction inlet valve 124 are used to control the feed of material from the intermediate weigh bin 120 into the feed bin 130.

Specifically, a feeding bin outlet valve 134, a blanking valve 136 and a cutting disc valve 137 are sequentially arranged on the conveying pipeline between the feeding bin 130 and the production system 140, and a conveying nitrogen gas valve 135 is arranged at a nitrogen gas bypass pipeline adjacent to the conveying pipeline between the feeding bin 130 and the production system 140, wherein: when the adjustment of the bin pressure of the feeding bin is finished, the blanking valve 136 and the feeding bin outlet valve 134 are sequentially opened; the cut-off disk valve 137 is used for automatically cutting off the connection between the feeding device and the production system 140 when the feeding device needs to be repaired, so that the pressure of the production system 140 is prevented from flowing back to the feeding device.

Here, feed bin outlet valve 134 and discharge valve 136 are used to convey material from feed bin 130 into production system 140.

Here, the cutoff disc valve 137 is used to effectively and automatically cut off the connection of the feeding device and the production system when stopping for maintenance, and prevent the pressure of the production system 140 from flowing back to the feeding device.

Here, the delivery nitrogen gas valve 135 is in an open state when the charging device is operated to secure the pressure of the delivery pipe.

Specifically, a vibrating machine 138 is arranged on the conveying pipeline between the feeding bin 130 and the production system 140, and is used for vibrating the pipe wall during blanking, so that the materials are conveyed conveniently, and the materials are prevented from being accumulated in the blanking pipe.

Specifically, the feeding device further comprises an exhaust duct, wherein: the feeding bin 130 is connected with the storage bin 110 through the exhaust pipeline, so that the released nitrogen is conveyed to the storage bin 110.

All valves in the feeding device are directly led to a control cabinet of the production system 140 in a hard-wired mode, a distributed control system used by the production system 140 is adopted to carry out a programming configuration control program, and the control on and off amount of the valves, the differential pressure calculation of the system and the automatic calculation of the feeding amount and the time interval are realized in a main system.

Here, the loading bin 130 may be connected to the production system 140 through a conveying pipe so that the material is fed from the loading bin 130 to the production system 140 for processing.

In the exemplary embodiment, the particulate material feeder 100 is configured as a three-bin feeder, with the upper portion being a storage bin 110, the middle portion being a middle bin 120, and the lower portion being a feed bin 130. A material level sensor 111 is arranged on the storage bin 110 and used for detecting material level; the intermediate material weighing bin 120 is provided with a weighing sensor 121 for weighing materials; add and set up storehouse pressure check point on the feed bin 130, pressurize nitrogen gas valve 131, steady pressure nitrogen gas governing valve 133 and pressure release nitrogen gas governing valve 132, wherein, storehouse pressure check point is used for detecting the pressure of adding feed bin 130, utilize the pressure of adding feed bin 130 and production system 140 pressure to make the pressure's of completion to adding feed bin 130 control, pressurize nitrogen gas valve 131, steady pressure nitrogen gas governing valve 133 and pressure release nitrogen gas governing valve 132 and carry out the pressurization, steady voltage to add feed bin 130 when being used for the unloading, wherein add feed bin 130 pressure release when pressure release nitrogen gas governing valve 132 also is used for the feed supplement. A feeding machine 112 and an intermediate weighing bin inlet valve 113 are arranged on the conveying pipeline between the storage bin 110 and the intermediate weighing bin 120, and three discharging valves 136 are arranged on the conveying pipeline between the intermediate weighing bin 120 and the feeding bin 130 and are respectively an intermediate weighing bin outlet valve 122, a first feeding inlet valve 123 and a second feeding inlet valve 124. Add and set up twice unloading valve 136 (add feed bin outlet valve 134 and unloading valve 136), cut off dish valve 137 and bobbing machine 138 on the pipeline between feed bin 130 and the production system 140 add feed bin 130 with between the production system 140 pipeline adjacent nitrogen gas bypass pipeline department sets up and carries nitrogen gas valve 135, and gas transport and pipeline's pressurize when wherein carrying nitrogen gas valve 135 and being used for the unloading, cut off that dish valve 137 is used for parking to overhaul when effective automatic cut off feeding device and become to be connected of producing the system, bobbing machine 138 vibrates the pipe wall when being used for the unloading, is convenient for carry the material.

Titanium dioxide is an inorganic chemical pigment, the main component is titanium dioxide, and the titanium dioxide has important application in the industries of paint, printing ink, paper making, plastic rubber, chemical fiber, ceramic and the like, and the existing production process mainly comprises two process technologies, namely a sulfuric acid process and a chlorination process. The chlorination process is mainly continuous production and has high requirement on the automation degree of the production flow. The gas phase oxidation process is one of the core processes in the production of titanium dioxide by a chlorination method, and the stability of the operation of the gas phase oxidation process is related to the stability of the whole production flow. In the oxidation process, aluminum particles react with chlorine to generate aluminum trichloride (AlCl 3) which is used as a crystal conversion agent in the production of titanium dioxide by a chlorination method, so that titanium dioxide is converted from an anatase type into a rutile type. Therefore, in the production process of titanium dioxide by a chlorination method, stable addition of aluminum particles is related to the stability of the whole system. Most of the conventional feeding devices are aluminum powder feeding devices, which belong to continuous feeding and are limited to powder material conveying, and aluminum powder has high harmfulness and can cause aluminum dust lung after being inhaled for a long time, powder and air can form an explosive mixture, and when the aluminum powder reaches a certain concentration, the powder can explode when meeting sparks.

In another embodiment, taking automatic feeding of aluminum particles in the titanium dioxide production system 140 by chlorination method as an example, the feeding amount of aluminum particles is set to 3Kg, a remote control end in the production system 140 is used to detect whether the states of valves in the feeding device for particle materials are proper, if yes, the pressure relief nitrogen regulating valve 132 is opened to exhaust air, and whether the pressure of the feeding bin at the bin pressure detection point is 0 (allowable error ± 1 KPa) is detected, when the material obtained from the storage bin 110 and weighed by the weighing sensor 121 is 0Kg (allowable error ± 0.1 Kg), the intermediate weighing inlet valve and the feeding machine 112 are sequentially opened to perform high-speed aluminum particle feeding to the intermediate weighing bin 120, when the numerical value of the weighing sensor 121 of the intermediate weighing bin 120 shows a difference of 1.5Kg from the feeding amount of aluminum particles, medium-speed feeding is automatically switched, when the difference of 0.5Kg from the feeding amount of aluminum particles is automatically switched to low-speed feeding, and when the feeding amount of aluminum particles reaches the feeding amount, the feeding machine 112 and the intermediate weighing bin 113 are sequentially closed. The second feeding inlet valve 124, the first feeding inlet valve 123 and the intermediate weighing bin outlet valve 122 are sequentially opened to allow the aluminum particles in the intermediate weighing bin 120 to enter the feeding bin 130, and the intermediate weighing bin outlet valve 122, the first feeding inlet valve 123, the second feeding inlet valve 124 and the pressure relief nitrogen adjusting valve 132 are sequentially closed after a delay of 10 s. And opening a pressurizing nitrogen valve 131 to pressurize the feeding bin 130 so that the bin pressure of the feeding bin 130 meets a preset bin pressure value, and closing the pressurizing nitrogen valve 131. Opening the pressure difference between the bin pressure of the automatic adjusting bin pressure feeding bin 130 and the production system 140 to select an automatic control mode, giving a control command by a PID controller, forming a cascade control mode by a control loop of the pressure stabilizing nitrogen adjusting valve 133 and the pressure releasing nitrogen adjusting valve 132, automatically adjusting a valve, and sequentially opening the discharging valve 136, the feeding bin outlet valve 134 and the vibrator 138 until the pressure difference value between the bin pressure of the feeding bin 130 and the production system pressure accords with a preset differential pressure value, so that the aluminum particles in the feeding bin 130 are conveyed to the production system 140, closing the vibrator 138 after delaying for 10s, and sequentially closing the feeding bin outlet valve 134, the discharging valve 136, the pressure stabilizing nitrogen adjusting valve 133 and the pressure releasing nitrogen adjusting valve 132 after delaying for 5s to complete the automatic feeding of the aluminum particles.

The feeding device for the particle materials comprises a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, a feeding bin positioned at the lower part and a production system, wherein the three bins are respectively a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, and a feeding bin positioned at the lower part; the storage bin, the intermediate weighing bin, the feeding bin and the production system are sequentially connected through a conveying pipeline, wherein the conveying pipeline is a large-caliber pipeline to convey large-particle materials; the storage bin is provided with a material level sensor which is used for detecting the material level in the storage bin, and when the material level does not meet the material feeding amount, the material in the storage bin is supplemented; the intermediate material weighing bin is provided with a weighing sensor and is used for weighing the materials obtained from the storage bin under the normal pressure state and supplementing materials to the feeding bin based on the weighing amount; the charging bin is provided with a bin pressure detection point, a pressurizing nitrogen valve for pressurizing, a pressure-releasing nitrogen regulating valve for pressure releasing and a pressure-stabilizing nitrogen regulating valve for pressure stabilizing, when the intermediate material weighing bin finishes automatic material supplementing on the charging bin, the pressurizing nitrogen valve is controlled to be opened, whether the pressure difference value between the bin pressure of the charging bin determined by the bin pressure detection point and the pressure of a production system accords with a preset differential pressure value or not is detected, if not, the pressure-releasing nitrogen regulating valve and the pressure-stabilizing nitrogen regulating valve are controlled to be opened, the bin pressure of the charging bin is regulated based on the preset differential pressure value, and stable material discharging of the charging bin is finished; the production system is used for setting the blanking frequency, the material feeding amount and the switch valve of the storage bin, the intermediate material weighing bin and the feeding bin. Through set up storage silo, middle title feed bin and reinforced bin on feeding device, realize that large granule material is carried, intermittent type is reinforced, the automatic calculation adds material volume and interval time, automatic feed supplement, storehouse pressure automatically regulated to the stable transmission of large granule material has been realized.

Referring to fig. 3, fig. 3 is a flowchart of a method for feeding a particulate material according to an embodiment of the present application. As shown in fig. 3, the charging method provided in the embodiment of the present application includes:

s301: and acquiring the preset material feeding amount.

In the step, a preset material feeding amount is obtained.

Here, the material charging amount is set by the production system, and the charging frequency can be set in addition to the material charging.

S302: and controlling the material supplementing rate of the feeder to complete automatic material supplementing based on the material feeding amount and the weighing amount.

In the step, the material supplementing rate of the feeder is controlled according to the material feeding amount and the weighing amount measured by the weighing sensor to complete automatic material supplementing.

Here, the weighing amount is the weight of the material entering the intermediate weighing bin measured by the weighing sensor.

a: detecting whether the difference value of the material feeding amount and the weighing amount is smaller than a first preset value or not, and if so, controlling the feed supplement rate of the feeder to be a medium speed; and if not, controlling the feed supplement rate of the feeder to be high speed.

And detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a first preset value, if so, controlling the feeding rate of the feeding machine to be a medium speed, and if not, controlling the feeding rate of the feeding machine to be a high speed.

B: detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a second preset value or not; and if the feeding rate of the feeder is controlled to be low speed, otherwise, the feeding rate of the feeder is controlled to be medium speed, wherein the first preset value is larger than the second preset value.

And detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a second preset value, if so, controlling the feeding rate of the feeding machine to be a low speed, and if not, controlling the feeding rate of the feeding machine to be a medium speed.

Here, the first preset value may be set to 1.5kg, and the second preset value may be set to 0.5kg, and the setting manner of the first preset value and the second preset value is not limited herein.

By adding the interlocking of the feeder and the weighing sensor, the feeding can be carried out by switching different feeding rates (high, medium and low) according to the real-time feeding amount when the middle weighing bin feeds the materials, and the feeding precision is ensured.

In the specific embodiment, when the difference between the weighing quantity displayed by the numerical value of the weighing sensor and the set value of the material feeding quantity is 1.5Kg, the medium-speed feeding is automatically switched, when the difference is 0.5Kg, the low-speed feeding is automatically switched, and when the material feeding quantity is reached, the feeding machine is stopped.

S303: after the material supplementing is finished, controlling an inlet valve of the intermediate weighing bin to be closed, and controlling a second feeding inlet valve, a first feeding inlet valve and an outlet valve of the intermediate weighing bin to be opened in sequence so as to enable the material to enter the feeding bin from the intermediate weighing bin, and controlling an outlet valve of the intermediate weighing bin, the first feeding inlet valve and the second feeding inlet valve to be closed in sequence.

In the step, after the material supplementing is finished, an inlet valve of an intermediate material weighing bin is controlled to be closed, a second feeding inlet valve, a first feeding inlet valve and an outlet valve of the intermediate material weighing bin are controlled to be opened in sequence so that the material enters the feeding bin from the intermediate material weighing bin, and the outlet valve of the intermediate material weighing bin, the first feeding inlet valve and the second feeding inlet valve are controlled to be closed in sequence at a preset time interval.

S304: and controlling the opening of the pressure charging nitrogen valve and detecting whether the pressure difference value between the bin pressure of the bin and the pressure of the production system conforms to a preset differential pressure value, and if not, controlling the opening of the pressure relief nitrogen regulating valve and the pressure stabilization nitrogen regulating valve.

In the step, the pressurizing nitrogen valve is controlled to be opened, whether the pressure difference value between the bin pressure of the bin and the pressure of the production system accords with a preset differential pressure value or not is detected, and if not, the pressure relief nitrogen regulating valve and the pressure stabilization nitrogen regulating valve are controlled to be opened.

Here, the preset differential pressure value may be 50kpa.

S305: based on preset differential pressure value adjust with the storehouse pressure in feed bin until after adjusting add the pressure difference value of the storehouse pressure in feed bin and production system pressure when according with preset differential pressure value, control unloading valve, add feed bin outlet valve and bobbing machine and open to make the material get into production system.

In this step, add the storehouse pressure of feeding bin and adjust based on preset differential pressure value, still unsatisfied when pressure release nitrogen gas regulating valve closes add the storehouse pressure in storehouse, control steady voltage nitrogen gas regulating valve and open, and right add the storehouse pressure in storehouse and adjust, it accords with preset differential pressure value to add the storehouse pressure in storehouse and the pressure difference value of production system pressure after the regulation.

In a specific embodiment, an operator sets the single feeding amount and the feeding frequency, a program starting button is started, and a program starts self-checking: and (4) detecting whether the valve opening and closing state in the device meets the starting condition or not if the feeder is in the automatic ready state, and if the valve opening and closing state meets the starting condition, performing the next step, otherwise, outputting an alarm. And starting a timer, starting a feeding bin to release the pressure of the nitrogen regulating valve for exhausting, detecting the pressure of the feeding bin and a weighing sensor, and when the pressure of the feeding bin is 0KPa (allowable error +/-1 KPa) and the numerical value of the weighing sensor is zero (allowable error +/-0.1 Kg), carrying out the next step by the program, or else, outputting an alarm. And opening an inlet valve of the intermediate material weighing bin, and detecting the state of the valve. Starting the feeder and starting high-speed material supplement. When the numerical value of the weighing sensor of the intermediate weighing bin shows that the difference with the set value of the feeding amount is 1.5Kg, the feeding machine is automatically switched to medium-speed feeding, when the difference is 0.5Kg, the feeding machine is automatically switched to low-speed feeding, and when the difference reaches the set value of the feeding amount, the feeding machine is stopped. And closing the inlet valve of the intermediate material weighing bin and detecting the state of the valve. And opening an inlet valve of the second feeding bin and detecting the state of the valve. And opening an inlet valve of the first feeding bin, and detecting the state of the valve. Intermediate weigh bin outlet valve 122 is opened and the valve status is detected. Delaying 10S, closing the intermediate weigh bin outlet valve 122 and detecting the valve status. Closing the first feed bin inlet valve and detecting the valve status. Closing the second feed bin inlet valve and detecting the valve status. And closing the pressure relief nitrogen regulating valve and detecting the state of the valve. And opening a pressurized nitrogen gas valve and detecting the state of the valve. And detecting the bin pressure of the feeding bin, closing the pressurizing nitrogen valve when the bin pressure of the feeding bin reaches a set value of the production system, and detecting the state of the valve. And starting the automatic regulation of the bin pressure, giving a control command by a PID (proportion integration differentiation) controller, forming a cascade control mode by a pressure stabilizing nitrogen regulating valve and a pressure relief nitrogen regulating valve control loop, and automatically regulating the opening of the valve until the bin pressure is stabilized near a set value. And opening the blanking valve and detecting the state of the valve. And opening an outlet valve of the feeding bin, detecting the state of the valve, and interlocking to automatically start the vibrating machine after the state of the valve is stable. Delaying for 10S, and turning off the vibrating machine. Delay 5S, close feed bin outlet valve 134 and check valve status. And closing the blanking valve and detecting the state of the valve. And closing the pressure stabilizing nitrogen regulating valve and the pressure relief nitrogen regulating valve, and detecting the state of the valves. And (5) resetting the timer of the waiting interval time to zero, and continuing to automatically feed materials at the next frequency.

In another embodiment, step one: before the program is started, an operator manually sets single feeding amount and feeding frequency according to process requirements, and after the program is started, the program is subjected to self-inspection; step two: starting a timer when the condition is met, starting the material supplementing of the intermediate weighing bin 120 (opening the pressure relief nitrogen regulating valve 132, the intermediate weighing bin inlet valve 113 and the feeding machine 112 in sequence), and stopping the material supplementing (closing the feeding machine 112 and the intermediate weighing bin inlet valve 113 in sequence) when the feeding amount reaches a set value; step three: performing pressure relief on the feeding bin (opening a pressure relief nitrogen regulating valve 132), starting to weigh the feeding bin in the middle (sequentially opening a second feeding inlet valve 124, a first feeding inlet valve 123 and a middle weighing bin outlet valve 122) after the pressure meets the condition, and stopping the feeding within the feeding delay time of 10S (sequentially closing the middle weighing bin outlet valve 122, the first feeding inlet valve 123, the second feeding inlet valve 124 and the pressure relief nitrogen regulating valve 132); step four: starting charging bin pressurization (opening a pressurization nitrogen valve 131), and stopping pressurization (closing the pressurization nitrogen valve 131) when the pressure meets the conditions; step five: starting to automatically adjust the bin pressure of the stable feeding bin (starting the pressure stabilizing nitrogen adjusting valve 133 and the pressure releasing nitrogen adjusting valve 132); step six: when the pressure difference value between the bin pressure of the feeding bin and the pressure of the production system meets a preset differential pressure value, the feeding bin 130 starts feeding (a feeding valve 136, a feeding bin outlet valve 134 and a vibrator 138 are sequentially opened); step seven: and stopping the blanking within the blanking delay time of 10S (closing the vibrating machine 138, the feeding bin outlet valve 134, the blanking valve 136, the pressure stabilizing nitrogen regulating valve 133 and the pressure releasing nitrogen regulating valve 132 in sequence), and starting the next round of material supplement after the interval time is counted and the calculated time is reached.

In one possible embodiment, the feeding method further comprises:

and controlling the feeding machine and the weighing sensor to be arranged in a correlation manner, and switching different discharging rates by the feeding machine based on the weighing quantity measured by the weighing sensor when the intermediate weighing bin feeds materials.

In one possible embodiment, the feeding method further comprises:

and controlling the cut-off disk valve to automatically cut off the connection between the feeding device and the production system when the feeding device needs to be overhauled, so as to prevent the pressure of the production system from being reversed to the feeding device.

In one possible embodiment, the feeding method further comprises:

the control bobbing machine vibrates the pipe wall when the unloading, is convenient for carry the material, prevents that the material from piling up in the unloading pipe.

The feeding method of the particulate material provided by the embodiment of the application comprises the following steps: acquiring a preset material feeding amount; controlling the feed supplement rate of the feeder based on the material feed amount and the weighing amount to complete automatic feed supplement; after the material supplementing is finished, controlling an intermediate weighing bin inlet valve to be closed, and controlling a second feeding inlet valve, a first feeding inlet valve and an intermediate weighing bin outlet valve to be opened in sequence so as to enable the material to enter a feeding bin from an intermediate weighing bin, and controlling the intermediate weighing bin outlet valve, the first feeding inlet valve and the second feeding inlet valve to be closed in sequence; controlling the pressurizing nitrogen valve to open and detecting whether the pressure difference value of the bin pressure of the feeding bin and the pressure of the production system accords with a preset differential pressure value, if not, controlling the pressure-releasing nitrogen regulating valve and the pressure-stabilizing nitrogen regulating valve to open, adjusting the bin pressure of the feeding bin based on the preset differential pressure value until the adjusted bin pressure of the feeding bin and the pressure difference value of the pressure of the production system accord with the preset differential pressure value, and controlling the blanking valve, the outlet valve of the feeding bin and the vibrating machine to open so as to enable the material to enter the production system. Through set up storage silo, middle title feed bin and add the feed bin on feeding device, realize that large granule material is carried, intermittent type is reinforced, automatic calculation adds material volume and interval time, automatic feed supplement, storehouse press automatically regulated to the stable transmission of large granule material has been realized.

Referring to fig. 4, fig. 4 is a schematic structural diagram of an electronic device according to an embodiment of the present disclosure. As shown in fig. 4, the electronic device 400 includes a processor 410, a memory 420, and a bus 430.

The memory 420 stores machine-readable instructions executable by the processor 410, when the electronic device 400 runs, the processor 410 communicates with the memory 420 through the bus 430, and when the machine-readable instructions are executed by the processor 410, the step of charging the particle material in the method embodiment shown in fig. 3 may be performed.

An embodiment of the present application further provides a computer-readable storage medium, where a computer program is stored on the computer-readable storage medium, and when the computer program is executed by a processor, the step of charging the particle material in the method embodiment shown in fig. 3 may be executed.

It is clear to those skilled in the art that, for convenience and brevity of description, the specific working processes of the above-described systems, apparatuses and units may refer to the corresponding processes in the foregoing method embodiments, and are not described herein again.

In the several embodiments provided in the present application, it should be understood that the disclosed system, apparatus and method may be implemented in other ways. The above-described embodiments of the apparatus are merely illustrative, and for example, the division of the units is only one logical division, and there may be other divisions when actually implemented, and for example, a plurality of units or components may be combined or integrated into another system, or some features may be omitted, or not executed. In addition, the shown or discussed coupling or direct coupling or communication connection between each other may be through some communication interfaces, indirect coupling or communication connection between devices or units, and may be in an electrical, mechanical or other form.

The units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the units can be selected according to actual needs to achieve the purpose of the solution of the embodiment.

In addition, functional units in the embodiments of the present application may be integrated into one processing unit, or each unit may exist alone physically, or two or more units are integrated into one unit.

The functions, if implemented in the form of software functional units and sold or used as a stand-alone product, may be stored in a non-volatile computer-readable storage medium executable by a processor. Based on such understanding, the technical solutions of the present application or portions thereof that substantially contribute to the prior art may be embodied in the form of a software product, which is stored in a storage medium and includes several instructions for causing a computer device (which may be a personal computer, a server, or a network device) to execute all or part of the steps of the methods described in the embodiments of the present application. And the aforementioned storage medium includes: various media capable of storing program codes, such as a usb disk, a removable hard disk, a Read-Only Memory (ROM), a Random Access Memory (RAM), a magnetic disk, or an optical disk.

Finally, it should be noted that: the above-mentioned embodiments are only specific embodiments of the present application, and are used for illustrating the technical solutions of the present application, but not limiting the same, and the scope of the present application is not limited thereto, and although the present application is described in detail with reference to the foregoing embodiments, those skilled in the art should understand that: any person skilled in the art can modify or easily conceive the technical solutions described in the foregoing embodiments or equivalent substitutes for some technical features within the technical scope disclosed in the present application; such modifications, changes or substitutions do not depart from the spirit and scope of the exemplary embodiments of the present application, and are intended to be covered by the scope of the present application. Therefore, the protection scope of the present application shall be subject to the protection scope of the claims.

Claims

1. The feeding device for the granular materials is characterized by comprising three bins, namely a storage bin positioned at the upper part, a middle weighing bin positioned at the middle part, a feeding bin positioned at the lower part and a production system; the storage bin, the intermediate material weighing bin, the feeding bin and the production system are sequentially connected through a conveying pipeline, wherein the conveying pipeline is a large-caliber pipeline to convey large-particle materials;

the feeding bin is provided with a bin pressure detection point, a pressurizing nitrogen valve for pressurizing, a pressure-releasing nitrogen regulating valve for pressure releasing and a pressure-stabilizing nitrogen regulating valve for pressure stabilizing, when the intermediate material weighing bin completes automatic material supplementing on the feeding bin, the pressurizing nitrogen valve is controlled to be opened, whether the pressure difference value between the bin pressure of the feeding bin and the pressure of the production system determined by the bin pressure detection point meets a preset differential pressure value or not is detected, if not, the pressure-releasing nitrogen regulating valve and the pressure-stabilizing nitrogen regulating valve are controlled to be opened, the bin pressure of the feeding bin is regulated based on the preset differential pressure value, and stable material discharging of the feeding bin is realized;

2. The charging device according to claim 1, characterized in that a feeder, an intermediate weighing bin inlet valve are provided in sequence on the conveying pipe between the storage bin and the intermediate weighing bin, wherein:

the feeding machine and the weighing sensor are arranged in a correlation mode, and when the intermediate weighing bin feeds materials, the feeding machine switches different feeding rates based on the weighing quantity measured by the weighing sensor.

3. The charging device according to claim 1, characterized in that an intermediate weighing silo outlet valve, a first charging inlet valve and a second charging inlet valve are arranged in this order on the conveying pipe between the intermediate weighing silo and the charging silo.

4. The charging device according to claim 1, wherein a charging bin outlet valve, a blanking valve and a cutoff disk valve are provided in this order on said conveying pipe between said charging bin and said production system, and a conveying nitrogen gas valve is provided at a nitrogen gas bypass pipe adjacent to said conveying pipe between said charging bin and said production system, wherein:

5. The charging device according to claim 4, wherein a vibrator is arranged on said conveying pipeline between said charging bin and said production system for vibrating the pipe wall during charging so as to facilitate conveying of the material and prevent the material from accumulating in the charging pipe.

6. The charging device according to claim 1, further comprising an exhaust conduit, wherein:

the feeding bin is connected with the storage bin through the exhaust pipeline, so that the released nitrogen is conveyed to the storage bin.

7. A method for feeding particulate material, applied to a device for feeding particulate material according to any one of claims 1 to 6, comprising:

acquiring a preset material feeding amount;

controlling the material supplementing rate of the feeder to complete automatic material supplementing based on the material feeding amount and the weighing amount;

controlling a pressure charging nitrogen valve to open and detecting whether a pressure difference value between the bin pressure of the feeding bin and the pressure of the production system conforms to a preset differential pressure value, and if not, controlling a pressure relief nitrogen regulating valve and a pressure stabilizing nitrogen regulating valve to open; based on preset differential pressure value adjust with the storehouse pressure in feed bin until after adjusting add the pressure difference of the storehouse pressure in feed bin and production system pressure and accord with preset differential pressure value, control unloading valve, add feed bin outlet valve and bobbing machine and open to make the material get into production system.

8. The feeding method as claimed in claim 7, wherein said controlling the feeding speed of the feeder based on the material feeding amount and the weighing amount to perform automatic feeding comprises:

detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a first preset value or not, if so, controlling the feed supplement rate of the feeder to be a medium speed; if not, controlling the feed supplement rate of the feeder to be high speed;

detecting whether the difference value between the material feeding amount and the weighing amount is smaller than a second preset value or not; and if the feeding rate of the feeder is controlled to be low speed, otherwise, the feeding rate of the feeder is controlled to be medium speed, wherein the first preset value is larger than the second preset value.

9. An electronic device, comprising: a processor, a memory and a bus, the memory storing machine-readable instructions executable by the processor, the processor and the memory communicating over the bus when the electronic device is operated, the machine-readable instructions, when executed by the processor, performing the steps of the method of charging particulate material of claim 7 or 8.

10. A computer-readable storage medium, characterized in that a computer program is stored on the computer-readable storage medium, which computer program, when being executed by a processor, performs the steps of the method for charging granular material according to claim 7 or 8.