A particle detection system for furnace charge

Abstract

The utility model relates to a particle detection system for furnace charge, which belongs to the field of particle detection technology, and includes an image acquisition unit, a light source component, a field control cabinet, a data transmission unit and a monitoring host. The image acquisition unit is arranged above a belt, and the image acquisition unit performs video acquisition on the furnace charge transported on the belt. The light source component is arranged between the image acquisition unit and the belt, and the light outlet of the light source component faces the furnace charge transported on the belt. The image acquisition unit and the light source component are both electrically connected to a controller in the field control cabinet, and the controller is connected to the monitoring host through the data transmission unit. The utility model performs image acquisition on the furnace charge transported on the belt through a camera, and performs particle size analysis on the collected furnace charge image through the monitoring host, so as to realize real-time detection of the furnace charge and improve production efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of particle detection, and in particular relates to a particle detection system for furnace charge. Background Art

[0002] Particle size analysis is also called "mechanical analysis". It is a method to study the percentage and distribution of various particle sizes in clastic sediments (or rocks). In real life, many fields such as energy, materials, medicine, chemicals, metallurgy, electronics, machinery, light industry, construction and environmental protection are closely related to the particle size of materials. Therefore, with the development of science and technology, the particle size analysis technology has been widely valued by people and has gradually developed into an important branch of metrology.

[0003] The charges for blast furnaces in steel plants, especially sintered ore and coke, need to be physically and chemically analyzed before entering the furnace. Among them, the particle size analysis of the charge is particularly time-consuming and cumbersome, and urgently needs to be automated.

[0004] At present, the particle size analysis of general blast furnace charge is to take samples at regular intervals with a sample spoon or bucket wheel container, send them to the screening machine, and send the graded particle sizes into the weighing funnel. The ratio of the weight of each particle size to the total weight of each particle size is the percentage of the specific particle size, completing the particle detection. However, this detection requires the detection personnel to take samples from the charge conveyor at regular intervals, and then send them to the screening machine for processing. It is also necessary to weigh the particles of each grade after classification. Since the entire detection process is not completed in the same device, various detection errors are prone to occur. In addition, due to the large size of the screening machine, the wear and blockage of the sieve holes, etc., the screening machine is prone to shutdown, which increases the time required for analysis. The analysis results may take 1 to 2 hours to be used to guide production practice, affecting production efficiency. The above defects lead to the inability to accurately measure and measure the blast furnace in real time, and it is difficult to effectively improve the work efficiency. It is impossible to provide effective reference data for blast furnace production in real time. This is the shortcoming of the existing technology. Summary of the invention

[0005] The purpose of the utility model is to solve the defects in the prior art that the particle detection of furnace charge requires the detection personnel to take samples from the furnace charge conveyor at regular intervals, and then send them to the screening machine for processing, and weigh the particles of each grade after classification. Since the whole detection process is not completed by the same device, various detection errors are prone to occur, and the screening machine is prone to shutdown due to the large size of the screening machine, wear and blockage of the sieve holes, etc., which increases the time required for analysis and affects the production efficiency. A particle detection system for furnace charge is designed to solve the problems existing in the prior art.

[0006] In order to achieve the above purpose, the utility model provides the following technical solutions:

[0007] A particle detection system for furnace charge, the furnace charge is transported by a belt, the particle detection system comprises an image acquisition unit, a light source assembly, a field control cabinet, a data transmission unit and a monitoring host, the image acquisition unit is arranged above the belt, the image acquisition unit performs video acquisition on the furnace charge transported on the belt, the light source assembly is arranged between the image acquisition unit and the belt, and the light outlet of the light source assembly faces the furnace charge transported on the belt;

[0008] The image acquisition unit and the light source assembly are both electrically connected to the controller in the field control cabinet, and the controller is connected to the monitoring host through the data transmission unit.

[0009] A further improvement of the technical solution is that the light source assembly includes a first light source, a second light source, a first bracket, a second bracket and a third bracket, the first bracket and the second bracket are symmetrically arranged on both sides of the belt, the third bracket is installed on the upper ends of the first bracket and the second bracket, the first light source and the second light source are respectively arranged on the third bracket on both sides of the belt, and the light outlet of the first light source and the light outlet of the second light source are both facing the charge transported on the belt.

[0010] A further improvement of the technical solution is that the image acquisition unit includes a camera, a connecting piece and a fourth bracket, the fourth bracket is vertically mounted on the third bracket, and the camera is mounted on an end of the fourth bracket away from the third bracket through the connecting piece.

[0011] A further improvement of the technical solution is that it also includes a gas purge unit, which is arranged on one side of the camera and can perform transverse purge on the lens of the camera.

[0012] A further improvement of the technical solution is that the gas purge unit includes an air pump, a gas pipeline and an air outlet nozzle, the air outlet nozzle is connected to the air pump through the gas pipeline, the air outlet of the air outlet nozzle is horizontally facing the camera lens, and can perform horizontal purge on the camera lens.

[0013] A further improvement of the present technical solution is that the data transmission unit includes a first fiber optic transceiver, an optical fiber, and a second fiber optic transceiver, the first fiber optic transceiver is arranged at the field control cabinet end, the second fiber optic transceiver is arranged at the monitoring host end, the first end of the first fiber optic transceiver is communicatively connected to the controller in the field control cabinet, the second end of the first fiber optic transceiver is connected to the first end of the second fiber optic transceiver via the optical fiber, and the second end of the second fiber optic transceiver is communicatively connected to the monitoring host.

[0014] A further improvement of the technical solution is that it also includes a display connected to the output end of the monitoring host.

[0015] The beneficial effect of the utility model is that the utility model collects images of the furnace charge transported on the belt through a camera, and performs particle size analysis on the collected furnace charge images through a monitoring host, thereby realizing real-time detection of the furnace charge and improving production efficiency.

[0016] In addition, the utility model has a reliable design principle, a simple structure and a very broad application prospect.

[0017] It can be seen that compared with the prior art, the present invention has outstanding substantive features and significant progress, and the beneficial effects of its implementation are also obvious. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 A schematic diagram of the system structure is shown in FIG.

[0019] 111 is a camera, 112 is a fourth bracket, 121 is a first light source, 122 is a second light source, 123 is a first bracket, 124 is a second bracket, 125 is a third bracket, 130 is a field control cabinet, 131 is a controller, 141 is a first fiber optic transceiver, 142 is an optical fiber, 143 is a second fiber optic transceiver, 150 is a monitoring host, and 160 is a display. DETAILED DESCRIPTION

[0020] In order to enable those skilled in the art to better understand the technical solutions in the present invention, the following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the present invention.

[0021] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention.

[0022] like Figure 1As shown, the utility model provides a particle detection system for furnace charge, the furnace charge is transported by a belt, the particle detection system comprises an image acquisition unit, a light source assembly, a field control cabinet, a data transmission unit and a monitoring host, the image acquisition unit is arranged above the belt, the image acquisition unit performs video acquisition on the furnace charge transported on the belt, the light source assembly is arranged between the image acquisition unit and the belt, and the light outlet of the light source assembly faces the furnace charge transported on the belt; the image acquisition unit and the light source assembly are both electrically connected to a controller in the field control cabinet, the controller is connected to the monitoring host via the data transmission unit, wherein the controller adopts a PLC (Programmable Logic Controller).

[0023] Specifically, the light source assembly includes a first light source, a second light source, a first bracket, a second bracket and a third bracket. The first bracket and the second bracket are symmetrically arranged on both sides of the belt. The third bracket is installed on the upper ends of the first bracket and the second bracket. The first light source and the second light source are respectively arranged on the third bracket on both sides of the belt. The light outlet of the first light source and the light outlet of the second light source are both facing the charge transported on the belt.

[0024] The image acquisition unit comprises a camera, a connecting piece and a fourth bracket. The fourth bracket is vertically mounted on the third bracket. The camera is mounted on an end of the fourth bracket away from the third bracket through the connecting piece.

[0025] In addition, the particle detection system also includes a gas purge unit, which is arranged on one side of the camera, and the gas purge unit can perform a transverse purge on the camera lens. Specifically, the gas purge unit includes an air pump, a gas pipeline and an air outlet nozzle, the air outlet nozzle is connected to the air pump through the gas pipeline, and the air outlet of the air outlet nozzle is horizontal to the camera lens, and can perform a transverse purge on the camera lens. In order to protect the camera lens, a protective cover is also provided on the periphery of the camera, and a mounting hole is also provided on the protective cover near the camera lens, and the air outlet nozzle is installed in the mounting hole.

[0026] The data transmission unit includes a first fiber optic transceiver, an optical fiber, and a second fiber optic transceiver. The first fiber optic transceiver is arranged at the field control cabinet end, and the second fiber optic transceiver is arranged at the monitoring host end. The first end of the first fiber optic transceiver is communicatively connected to the controller in the field control cabinet, the second end of the first fiber optic transceiver is connected to the first end of the second fiber optic transceiver through the optical fiber, and the second end of the second fiber optic transceiver is communicatively connected to the monitoring host.

[0027] Secondly, the particle detection system also includes a display, which is connected to the output end of the monitoring host. The display can display the results of the monitoring host analyzing the collected images.

[0028] The working principle of the particle detection system is as follows: the monitoring host controls the camera through the controller to collect real-time images of the charge on the belt. While the camera is collecting images of the charge, the light source component illuminates the charge on the belt; the controller transmits the collected charge image to the monitoring host through the data transmission unit, and the monitoring host processes the received charge image to provide real-time data for particle analysis, making the particle processing, inspection, analysis, and qualitative processes intelligent, reducing the labor intensity of inspection personnel, and improving equipment utilization efficiency and product production and inspection efficiency.

[0029] The above disclosure is only the preferred implementation mode of the utility model, but the utility model is not limited thereto. Any non-creative changes that can be thought of by technicians in this field, as well as several improvements and modifications made without departing from the principle of the utility model, should fall within the scope of protection of the utility model.

Claims

1. A particle detection system for furnace charge, the charge is transported by a belt, characterized in that: It includes an image acquisition unit, a light source component, a field control cabinet, a data transmission unit and a monitoring host, wherein the image acquisition unit is arranged above the belt, and the image acquisition unit performs video acquisition on the furnace charge transported on the belt, and the light source component is arranged between the image acquisition unit and the belt, and the light outlet of the light source component faces the furnace charge transported on the belt; The image acquisition unit and the light source assembly are both electrically connected to the controller in the field control cabinet, and the controller is connected to the monitoring host through the data transmission unit; The light source assembly includes a first light source, a second light source, a first bracket, a second bracket and a third bracket. The first bracket and the second bracket are symmetrically arranged on both sides of the belt. The third bracket is installed on the upper ends of the first bracket and the second bracket. The first light source and the second light source are respectively arranged on the third bracket on both sides of the belt. The light outlet of the first light source and the light outlet of the second light source are both facing the charge transported on the belt.

2. The charge particle detection system according to claim 1, characterized in that: The image acquisition unit comprises a camera, a connecting piece and a fourth bracket. The fourth bracket is vertically mounted on the third bracket. The camera is mounted on an end of the fourth bracket away from the third bracket through the connecting piece.

3. The charge particle detection system according to claim 2, characterized in that: It also includes a gas purge unit, which is arranged on one side of the camera and can perform transverse purge on the lens of the camera.

4. The charge particle detection system according to claim 3, characterized in that: The gas purge unit includes an air pump, a gas pipeline and an air outlet nozzle. The air outlet nozzle is connected to the air pump through the gas pipeline. The air outlet of the air outlet nozzle is horizontally facing the camera lens, so that the camera lens can be horizontally purged.

5. The charge particle detection system according to claim 1, characterized in that: The data transmission unit includes a first fiber optic transceiver, an optical fiber, and a second fiber optic transceiver. The first fiber optic transceiver is arranged at the field control cabinet end, and the second fiber optic transceiver is arranged at the monitoring host end. The first end of the first fiber optic transceiver is communicatively connected to the controller in the field control cabinet, the second end of the first fiber optic transceiver is connected to the first end of the second fiber optic transceiver through the optical fiber, and the second end of the second fiber optic transceiver is communicatively connected to the monitoring host.

6. The charge particle detection system according to claim 1, characterized in that: It also includes a display, which is connected to the output end of the monitoring host.

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