Raw material proportioning and weighing equipment for silicon production

Abstract

The embodiment of the utility model discloses raw material proportioning and weighing equipment for silicon production, and relates to the technical field of silicon production equipment, the raw material proportioning and weighing equipment comprises a plurality of feeding tables, an adjusting switch, a crushing device, a metering switch and an integrated cloth bag, the plurality of feeding tables are communicated with a through pipe; the adjusting switch is arranged on the through pipe and is used for opening and closing the through pipe; the crushing device is arranged on the through pipe and is used for crushing the raw materials; the metering switch is arranged on the through pipe and is used for weighing and metering the raw materials and controlling the opening and closing of the through pipe; the integrated cloth bag is provided with a plurality of feed ports and a discharge port, the plurality of feed ports are communicated with the discharge port, the plurality of feed ports are communicated with the plurality of through pipes one by one, a weighing adjusting device is arranged below the discharge port, and the weighing adjusting device controls the discharge port to be opened and closed by detecting the weight of raw materials. By arranging the adjusting switch and the metering switch, the silicon raw materials are subjected to secondary weighing and proportioning, and the raw material proportioning accuracy is improved.

Description

TECHNICAL FIELD

[0001] The application relates to the technical field of silicon production equipment, in particular to a raw material proportioning and weighing device for silicon production. BACKGROUND

[0002] Industrial silicon, also known as quasi-metallic silicon, is an important non-metallic material widely used in many fields such as semiconductors, photovoltaics, electronic devices, construction industry, automotive industry, etc. Its production process involves several steps such as extraction of silicon ore, preparation of silicon dioxide, production of reduced silicon, etc. Each step requires accurate raw material proportioning and weighing to ensure the quality and performance of the final product.

[0003] In the current industrial silicon production process, raw material proportioning and weighing is a crucial step. However, existing raw material proportioning and weighing devices cannot meet the current needs of silicon production. The reason is that there is a slight difference in the proportioning ratio of silicon raw materials, and after preliminary proportioning and crushing, the quality will differ, which leads to the fact that the efficiency of existing silicon production cannot be effectively improved and the purity of silicon purification is affected.

[0004] Therefore, with the continuous expansion of the application field of industrial silicon and the intensification of market competition, higher requirements are put forward for the accuracy and efficiency of raw material proportioning and weighing. In order to meet market demand, improve production efficiency and product quality, a new type of silicon raw material proportioning and weighing device and technology are urgently needed. CONTENT OF THE INVENTION

[0005] In order to solve the problems existing in the prior art, the application provides a raw material proportioning and weighing device for silicon production, which improves the accuracy of raw material proportioning by setting an adjusting switch and a metering switch for two-stage weighing and proportioning of silicon raw materials.

[0006] The technical solution adopted by the application to solve the above technical problems is as follows:

[0007] The application provides a raw material proportioning and weighing device for silicon production, which comprises:

[0008] A plurality of feeding tables are connected in communication with a pipe;

[0009] An adjusting switch is arranged on the pipe, and the adjusting switch opens and closes the pipe;

[0010] A crushing device is arranged on the pipe, and the crushing device crushes the raw materials;

[0011] A metering switch is arranged on the pipe, and the metering switch weighs and measures the raw materials and controls the opening and closing of the pipe;

[0012] The integrated cloth bag is provided with a plurality of feeding ports and a discharging port, the plurality of feeding ports are communicated with the discharging port, the plurality of feeding ports are communicated with the plurality of pipes one by one, the discharging port is provided below the weighing adjusting device, and the weighing adjusting device controls the opening and closing of the discharging port by detecting the weight of the raw materials.

[0013] Optionally, in some embodiments of the present application, the adjusting switch comprises a first control switch and a second control switch, the first control switch is arranged at the bottom of the feeding table to control the falling amount of the raw materials in the feeding table.

[0014] The second control switch is arranged on the pipe, and a storage bin is formed between the second control switch and the first control switch.

[0015] The second control switch is arranged below the first control switch, and a weight detection device is arranged on the second control switch, and the second control switch controls the opening and closing of the pipe through the weight detection device.

[0016] Optionally, in some embodiments of the present application, the crushing device is arranged below the second control switch, and a crusher is arranged on the crushing device, and the raw materials are crushed through the crusher.

[0017] The crushing mesh number of the crusher is 20 meshes.

[0018] Optionally, in some embodiments of the present application, the metering switch is arranged below the crushing device, and a weighing treatment device is arranged on the metering switch, and the weighing treatment device weighs and calculates the crushed raw materials.

[0019] Optionally, in some embodiments of the present application, the integrated cloth bag is provided with a fan, the fan blows the raw materials in the integrated cloth bag, so that the raw materials are blown into the weighing adjusting device.

[0020] Optionally, in some embodiments of the present application, the feeding table is provided with four feeding tables, and the four feeding tables are independent of each other.

[0021] Compared with the prior art, the beneficial effects of the present application are:

[0022] When the silicon raw materials are processed by the adjusting switch, the crushing device, the integrated cloth bag and the weighing adjusting device, the silicon raw materials can be weighed twice, so that the raw material ratio can be accurately processed, and the problem of the raw material ratio can be avoided to efficiently purify the silicon. BRIEF DESCRIPTION OF DRAWINGS

[0023] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained by those skilled in the art without any creative effort.

[0024] Figure 1 The overall structure schematic diagram of the raw material proportioning and weighing equipment for silicon production provided in the embodiments of the present application is shown in the figure.

[0025] Figure 2 For Figure 1 The enlarged structure schematic diagram of position A in the figure is shown in the figure.

[0026] Explanation of reference signs:

[0027] 100, feeding table; 200, pipe; 210, storage bin; 300, adjusting switch; 310, first control switch; 320, second control switch; 400, crushing device; 410, crusher; 500, metering switch; 600, integrated cloth bag; 610, feeding port; 620, discharging port; 630, fan; 700, weighing adjusting device; 710, storage box; 720, draw plate. DETAILED DESCRIPTION

[0028] The technical solutions in the embodiments of the present application will be described clearly and completely in the following with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only some of the embodiments of the present application, but not all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without any creative effort are within the protection scope of the present application. It can be understood that the drawings are only provided for reference and illustration, and are not used to limit the present application. The connection relationship shown in the drawings is only for clear description, and does not limit the connection mode.

[0029] Specifically, as Figure 1 shown, the present application provides a raw material proportioning and weighing equipment for silicon production. The equipment mainly crushes, meters and weighs the raw materials for silicon production, so as to facilitate the proportioning of the raw materials for silicon production.

[0030] Among them, the raw materials for silicon production are selected according to the types of the produced silicon. For example, when producing industrial silicon, the required raw materials include petroleum coke, charcoal, wood chips, washed fine coal and other carbonaceous reducing agents, and silicon ore (SiO2≥99.2%), and the proportion should be 2:3. When producing silicon manganese balls, the main raw materials are silica and manganese ore, and the proportion is usually 2:1.

[0031] The required proportion should be different according to the different types of the produced silicon, and the raw materials need to be weighed.

[0032] In the embodiment of the present application, the feeding table 100 is provided, and the feeding table 100 is provided in plurality, and the plurality of feeding tables 100 are independently provided, so that each feeding table 100 stores different kinds of raw materials.

[0033] The through pipe 200 is provided below the feeding table 100, and the adjusting switch 300 is provided on the through pipe 200, and the adjusting switch 300 is used to control the amount of raw materials in the feeding table 100 entering the through pipe 200.

[0034] Specifically, the adjusting switch 300 is provided with the first control switch 310 and the second control switch 320 on the through pipe 200, the first control switch 310 is located at the bottom of the feeding table 100, and is used to control the amount of raw materials in the feeding table 100 entering the through pipe 200, and the opening and closing of the first control switch 310 can be manually and electrically, and in the present application, the manual opening and closing is preferred.

[0035] In the second control switch 320, the second control switch 320 is located below the first control switch 310, and the storage bin 210 is formed between the first control switch 310 and the second control switch 320, which is used to temporarily store raw materials, and at the same time, the weight detection device is provided in the second control switch 320, which is used to detect the weight of the raw materials in the storage bin 210, so as to facilitate the control of the proportion of the weight of the raw materials.

[0036] When extracting industrial silicon, the proportion of carbonaceous reducing agent such as petroleum coke, charcoal, wood chips, washed fine coal and silicon ore (SiO2≥99.2%) is controlled to be 2:3, therefore, according to the proportion relationship, the carbonaceous reducing agent such as petroleum coke, charcoal, wood chips and washed fine coal is put in one of the feeding tables 100, and the silicon ore is put in the second feeding table 100, the first control switch 310 is opened, so that the raw materials in the two feeding tables 100 enter the corresponding storage bin 210 respectively, and at the same time, after the first control switch 310 is opened, the weight display on the weight detection device on the second control switch 320 needs to be monitored at any time, when the two weight displays are 2:3, the first control switch 310 is closed, so as to complete the weight matching process.

[0037] After the weight proportioning is completed, the raw material needs to be crushed, wherein, the crushing device 400 is arranged, the crushing device 400 is installed on the through pipe 200 and located below the second control switch 320, when the second control switch 320 is opened, the raw material enters the crushing device 400 by its own gravity, the crushing device 400 comprises the crusher 410, the mesh size of the crusher 410 is 20 meshes, so that the particle size of the crushed raw material is 0.85 mm, and the crusher 410 can more accurately calculate the proportioning relationship.

[0038] In the application, the metering switch 500 is arranged below the crushing device 400, and the metering switch 500 is in a normally closed state, so that the crushed raw material directly falls on the metering switch 500 after being crushed.

[0039] In the embodiment of the application, because the crushing device 400 is arranged, the raw material directly falls on the metering switch 500 below during crushing, and some raw material may be attached to the through pipe 200 and cannot directly fall on the metering switch 500 during the crushing process.

[0040] The weighing treatment device is arranged on the metering switch 500, the crushed raw material is weighed by the weighing treatment device, and whether the weight loss in the crushing process exists is judged by manual, the difference between the weighing treatment device and the weight detection device on the second control switch 320 is judged: when the difference is 0, it is indicated that the weight of the crushed raw material is equal to the weight of the raw material before crushing, at this time, the raw material can enter the next process by opening the metering switch 500; when the difference is not 0, that is, the weight of the crushed raw material is less than the weight of the raw material before crushing, it is indicated that the weight loss occurs in the crushing process, at this time, the weight of the raw material falling is controlled by the first control switch 310 and the second control switch 320, the falling weight is the difference weight between the weight of the crushed raw material and the weight of the raw material before crushing, until the weight of the crushed raw material is the proportioning weight.

[0041] After the metering of the metering switch 500 is completed, the raw materials are mixed by the integrated cloth bag 600, so that the mixed raw materials are placed in the corresponding storage box 710 of the discharge port 620, specifically, the integrated cloth bag 600 is provided with a plurality of feeding ports 610 and a discharge port 620, the plurality of feeding ports 610 are communicated with the discharge port 620, and the plurality of feeding ports 610 are one-to-one communicated with the plurality of pipes 200, the discharge port 620 is communicated with the storage box 710, and the storage box 710 is located on the weighing adjusting device 700, and the total mass of the mixed raw materials can be obtained by weighing the storage box 710 by the weighing adjusting device 700.

[0042] Since the integrated cloth bag 600 is arranged in the middle, the crushed raw materials are easy to accumulate, in order to avoid this situation, a fan 630 is arranged at one side of the integrated cloth bag 600, the output direction of the fan 630 is towards the direction of the storage box 710, so that the raw materials adhered to the integrated cloth bag 600 are blown off.

[0043] In the embodiment of the present application, the storage box 710 can be a drawer, so that the mixed raw materials can be extracted, and an extraction plate 720 is arranged above the drawer to open and close the passage above the storage box 710, to facilitate subsequent operation.

[0044] The above embodiments are only used to illustrate the technical method of the present application and are not limited, although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical method of the present application can be modified or replaced equivalently without departing from the spirit and scope of the technical method of the present application.

Claims

1. A raw material proportioning and weighing device for silicon production, characterized in that, The utility model relates to a kind of integrated bagging machine, including: Multiple feeding tables, multiple the feeding table is communicated with pipe passage; Adjusting switch, set on the pipe passage, the adjusting switch opens and closes the pipe passage; Pulverizing device, set on the pipe passage, the raw material is pulverized by the pulverizing device; Metering switch, set on the pipe passage, the raw material is weighed and measured by the metering switch, and the opening and closing of the pipe passage are controlled; Integrated cloth bag is provided with multiple feeding ports and a discharge port, multiple the feeding port is communicated with the discharge port, and multiple the feeding port is communicated with multiple the pipe passage one by one, the discharge port is provided with weighing adjustment device below, the weighing adjustment device is controlled to open and close the discharge port by the weight detection of the raw material.

2. The raw material proportioning and weighing device for silicon production according to claim 1, characterized in that, The adjusting switch includes first control switch and second control switch, the first control switch is set in the bottom position of the feeding table, to control the falling amount of raw material in the feeding table; The second control switch is set on the pipe passage, and the second control switch and the first control switch form a storage bin therebetween; Wherein, the second control switch is below the first control switch, and the second control switch is provided with weight detection device, and the second control switch controls to open and close the pipe passage by the weight detection device.

3. The raw material proportioning and weighing device for silicon production according to claim 2, characterized in that, The pulverizing device is located below the second control switch, and the pulverizing device is provided with pulverizer, and the raw material is pulverized by the pulverizer; The pulverizing number of the pulverizer is 20 mesh.

4. The raw material proportioning and weighing device for silicon production according to claim 1, characterized in that, The metering switch is set below the pulverizing device, and the metering switch is provided with weighing processing device, and the weighing processing device is weighed and calculated after the raw material is pulverized.

5. The raw material proportioning and weighing device for silicon production according to claim 1, characterized in that, The integrated cloth bag is provided with fan, and the fan blows the raw material in the integrated cloth bag, so that the raw material is blown into the weighing adjustment device.

6. The raw material proportioning and weighing device for silicon production according to claim 1, characterized in that, The feeding table is provided with four, and four the feeding table is independent of each other.

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