Ash content variable raw coal weighing device based on X-ray detection

Abstract

The utility model discloses an ash content variable raw coal weighing device based on X-ray detection, comprising a rack, the top of the rack is provided with a conveyor, the outer side of the conveyor is provided with a material distribution mechanism, the top of the conveyor is provided with a detection mechanism, the side wall of the rack is provided with a feeding mechanism, and the side wall of the rack is provided with a material distribution mechanism. The feeding mechanism comprises a collecting hopper, a feeding groove, a mounting sleeve and a connecting sliding sleeve, a conveying mechanism is arranged on the inner wall of the collecting hopper, and a weighing mechanism is arranged at the bottom of the feeding mechanism; the weighing mechanism comprises an electronic belt scale, a butt joint cover and a limiting plate; raw coal entering the detection mechanism is flattened and distributed through the distribution mechanism, the situation that the accuracy of ash content detection is affected by density fluctuation of coal flow in the conveying process is avoided, the raw coal is evenly thrown onto an electronic belt scale through a mounting sleeve by means of the conveying mechanism, and dynamic online weighing operation is conducted on the raw coal through the electronic belt scale. Weight compensation error accumulation is avoided, and the efficiency and accuracy of raw coal weighing operation are improved.

Description

Technical Field

[0001] This utility model relates to the field of raw coal ash content detection and weighing technology, and in particular to a raw coal weighing device with variable ash content based on X-ray detection. Background Technology

[0002] In the field of coal washing and processing, online detection and accurate weighing of raw coal ash content are key aspects of quality control. Traditional technologies often employ separate detection equipment, i.e., weighing first using a belt scale and then performing X-ray ash analysis using offline sampling. This method suffers from problems such as detection lag and insufficient representativeness of coal samples. Although existing integrated equipment attempts to combine detection and weighing, it still faces the following technical bottlenecks: 1. Fluctuations in coal flow density during transportation cause distortion in the X-ray attenuation coefficient measurement, affecting the accuracy of ash content detection; 2. Static weighing models are difficult to adapt to the nonlinear density changes of high-ash coal, leading to accumulated weight compensation errors, resulting in poor efficiency and accuracy in raw coal weighing operations and limited practicality of the device. To address these issues, we propose an X-ray detection-based variable ash raw coal weighing device to solve the above problems. Utility Model Content

[0003] The purpose of this invention is to overcome the shortcomings of the existing technology and provide a weighing device for raw coal with variable ash content based on X-ray detection.

[0004] The present invention solves its technical problem through the following technical solution: It includes a frame, a conveyor mounted on the top of the frame, a material feeding mechanism mounted on the outer side of the conveyor, a detection mechanism mounted on the top of the conveyor, a feeding mechanism mounted on the side wall of the frame, the feeding mechanism including a hopper, the hopper being bolted to the side wall of the frame, a feeding trough fixed to the bottom of the hopper, an installation sleeve fixed to the inner wall of the feeding trough, a connecting sliding sleeve fixed to the bottom of the feeding trough, a transport mechanism mounted on the inner wall of the hopper, and a weighing mechanism mounted at the bottom of the feeding mechanism.

[0005] The weighing mechanism includes an electronic belt scale, which is fixed to the inner wall of the frame by bolts. A docking cover is fixed to the top of the electronic belt scale, and the docking cover is slidably connected to the connecting sleeve. A limit plate is fixed to one side of the docking cover.

[0006] As a further improvement of this utility model, a control panel is provided on one side of the frame.

[0007] As a further embodiment of this utility model: the fabric feeding mechanism includes a mounting bracket, which is fixed to the outside of the conveyor by bolts. A baffle is fixed to the side wall of the mounting bracket, and a mounting beam is fixed to the top of the mounting bracket by bolts. An electric telescopic rod is fixed to the top of the mounting beam, and a drive bracket is fixed to the bottom of the electric telescopic rod. A fabric roller is provided on the inner wall of the drive bracket.

[0008] As a further embodiment of this utility model: the testing mechanism includes a mounting cover, which is fixed to the top of the frame by bolts, an isolation frame is fixed to the inner wall of the mounting cover, and an ash content testing instrument is fixed to the top of the mounting cover by bolts.

[0009] As a further embodiment of this utility model: the transport mechanism includes a mounting plate, which is fixed to the top of the hopper by bolts. A drive motor is fixed to the top of the mounting plate by bolts. A drive shaft is provided at the output end of the drive motor, and a spiral block is fixed to the outside of the drive shaft.

[0010] In summary, due to the adoption of the above technical solution, the beneficial effects of this utility model are:

[0011] 1. Raw coal is transported by a conveyor and spread out by a material spreading mechanism before entering the testing facility. This avoids the impact of coal flow density fluctuations on the accuracy of ash content testing and improves the quality of ash content testing of raw coal by the testing facility.

[0012] 2. Raw coal is collected through a hopper and then evenly fed onto an electronic belt scale via a conveyor system using a sleeve. The electronic belt scale performs dynamic online weighing of the raw coal. The static weighing model can adapt to the nonlinear density changes of high-ash coal, avoid the accumulation of weight compensation errors, improve the efficiency and accuracy of raw coal weighing operations, and thus enhance the practicality of the device. Attached Figure Description

[0013] Figure 1 A schematic diagram of an isometric structure according to an embodiment of the present invention is shown;

[0014] Figure 2 A schematic diagram of an isometric sectional view of a structure according to an embodiment of the present invention is shown;

[0015] Figure 3 The present invention provides an embodiment of the present invention. Figure 2 Enlarged structural diagram of part A in the middle;

[0016] Figure 4 A schematic diagram of the front cross-sectional structure according to an embodiment of the present invention is shown;

[0017] Figure 5 The present invention provides an embodiment of the present invention. Figure 4 Enlarged structural diagram of section B in the middle;

[0018] Figure 6 A schematic diagram of the fabric mechanism structure provided according to an embodiment of the present invention is shown;

[0019] Figure 7 A schematic diagram of the feeding mechanism structure provided according to an embodiment of the present utility model is shown.

[0020] Legend:

[0021] 100 Frame, 110 Control Panel, 120 Conveyor, 210 Mounting Bracket, 220 Baffle, 230 Mounting Beam, 240 Electric Telescopic Rod, 241 Drive Bracket, 250 Fabric Roller, 310 Mounting Cover, 320 Isolation Frame, 330 Ash Content Detector, 410 Collecting Hopper, 420 Feeding Slot, 430 Mounting Sleeve, 440 Connecting Sleeve, 510 Mounting Plate, 520 Drive Motor, 521 Drive Shaft, 530 Spiral Block, 610 Electronic Belt Scale, 620 Docking Cover, 630 Limit Plate. Detailed Implementation

[0022] In the description of this utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc., indicating the orientation or positional relationship are based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and are not intended to indicate or imply that the device or component referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model.

[0023] In the description of this utility model, "multiple" means two or more, unless otherwise explicitly specified.

[0024] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installed," "equipped with," "sleeved / connected," "connected," etc., should be interpreted broadly. For example, "connection" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium; it can be a connection within two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0025] Please see Figure 1-7This utility model provides a technical solution: including a frame 100, a control panel 110 on one side of the frame 100, a conveyor 120 on the top of the frame 100, a fabric feeding mechanism on the outside of the conveyor 120, a detection mechanism on the top of the conveyor 120, a feeding mechanism on the side wall of the frame 100, the feeding mechanism including a hopper 410 and a feeding trough 420, an installation sleeve 430 fixed to the inner wall of the feeding trough 420, a connecting sliding sleeve 440 fixed to the bottom of the feeding trough 420, a transport mechanism on the inner wall of the hopper 410, and a weighing mechanism at the bottom of the feeding mechanism;

[0026] The weighing mechanism includes an electronic belt scale 610 and a docking cover 620. The docking cover 620 is slidably connected to a connecting sleeve 440, and a limit plate 630 is fixed on one side of the docking cover 620. By setting up a feeding mechanism and a weighing mechanism, the raw coal is transported by a conveyor 120, and the raw coal entering the testing mechanism is spread evenly by a material distribution mechanism to avoid the density fluctuations of the coal flow during transportation affecting the accuracy of ash content testing, thus improving the quality of ash content testing of the raw coal. The raw coal is collected by a hopper 410 and evenly fed onto the electronic belt scale 610 by a transport mechanism through an installation sleeve 430. The electronic belt scale 610 performs dynamic online weighing of the raw coal. The static weighing model can adapt to the nonlinear density changes of high-ash coal, avoiding the accumulation of weight compensation errors, improving the efficiency and accuracy of the raw coal weighing operation, and thus improving the practicality of the device.

[0027] Specifically, the feeding mechanism includes a mounting bracket 210, which is bolted to the outside of the conveyor 120. A baffle 220 is fixed to the side wall of the mounting bracket 210, and a mounting beam 230 is bolted to the top of the mounting bracket 210. An electric telescopic rod 240 is fixed to the top of the mounting beam 230, and a drive bracket 241 is fixed to the bottom of the electric telescopic rod 240. A feeding roller 250 is provided on the inner wall of the drive bracket 241. By setting up the feeding mechanism, the conveyor 120 transports the raw coal. The electric telescopic rod 240 drives the drive bracket 241 and the feeding roller 250 to move up and down, moving the feeding roller 250 to a suitable height. The rotation of the feeding roller 250 performs the feeding operation on the transported raw coal, which can flatten the uneven coal, facilitating the detection agency to perform high-precision ash content detection on the raw coal.

[0028] Specifically, the testing mechanism includes a mounting cover 310, which is fixed to the top of the frame 100 by bolts. An isolation frame 320 is fixed to the inner wall of the mounting cover 310, and an ash content testing instrument 330 is fixed to the top of the mounting cover 310 by bolts. By setting up the testing mechanism, the ash content of the raw coal is detected in real time by the ash content testing instrument 330.

[0029] Specifically, the transport mechanism includes a mounting plate 510, which is bolted to the top of the hopper 410. A drive motor 520 is bolted to the top of the mounting plate 510, and a drive shaft 521 is provided at the output end of the drive motor 520. A spiral block 530 is fixed to the outside of the drive shaft 521. With the transport mechanism, raw coal enters the hopper 410 and enters the mounting sleeve 430 through the feeding chute 420. The drive motor 520 drives the drive shaft 521 to rotate, which in turn drives the spiral block 530 to rotate. The spiral block 530 and the mounting sleeve 430 cooperate to feed and transport the raw coal, which can evenly feed the raw coal to the weighing mechanism, facilitating high-precision weighing of the raw coal by the weighing mechanism.

[0030] Working principle: During use, the operation of the device is controlled by the control panel 110. The raw coal is transported by the conveyor 120. The electric telescopic rod 240 drives the drive support 241 and the feeding roller 250 to move up and down, moving the feeding roller 250 to a suitable height. The rotation of the feeding roller 250 performs the feeding operation on the transported raw coal, which can level the uneven coal surface. The ash content of the raw coal is detected in real time by the ash content testing instrument 330. The raw coal enters the collection hopper 410 and is fed through the feeding chute 42. The screw block 530 rotates as the drive motor 520 drives the drive shaft 521 to rotate. The screw block 530 rotates in conjunction with the installation sleeve 430 to feed and transport the raw coal. The raw coal is evenly fed onto the electronic belt scale 610 through the installation sleeve 430. The electronic belt scale 610 performs dynamic online weighing of the raw coal. The static weighing model can adapt to the nonlinear density changes of high ash coal, realizing high-precision weighing of the raw coal.

[0031] Although the present invention discloses embodiments and accompanying drawings, those skilled in the art will understand that various substitutions, variations and modifications are possible without departing from the spirit and scope of the present invention and the appended claims. Therefore, the scope of the present invention is not limited to the contents disclosed in the embodiments and accompanying drawings.

Claims

1. A weighing device for raw coal with variable ash content based on X-ray detection, characterized in that, The system includes a frame (100), a conveyor (120) on the top of the frame (100), a material feeding mechanism on the outside of the conveyor (120), a detection mechanism on the top of the conveyor (120), a feeding mechanism on the side wall of the frame (100), a material collection hopper (410) fixed to the side wall of the frame (100) by bolts, a feeding trough (420) fixed to the bottom of the material collection hopper (410), an installation sleeve (430) fixed to the inner wall of the feeding trough (420), a connecting sleeve (440) fixed to the bottom of the feeding trough (420), a transport mechanism on the inner wall of the material collection hopper (410), and a weighing mechanism at the bottom of the feeding mechanism. The weighing mechanism includes an electronic belt scale (610), which is fixed to the inner wall of the frame (100) by bolts. A docking cover (620) is fixed to the top of the electronic belt scale (610), and the docking cover (620) is slidably connected to the connecting sleeve (440). A limit plate (630) is fixed to one side of the docking cover (620).

2. The X-ray detection-based variable ash content raw coal weighing device according to claim 1, characterized in that, A control panel (110) is provided on one side of the rack (100).

3. The X-ray detection-based variable ash content raw coal weighing device according to claim 1, characterized in that, The fabric feeding mechanism includes a mounting bracket (210), which is fixed to the outside of the conveyor (120) by bolts. A baffle (220) is fixed to the side wall of the mounting bracket (210). A mounting beam (230) is fixed to the top of the mounting bracket (210) by bolts. An electric telescopic rod (240) is fixed to the top of the mounting beam (230). A drive bracket (241) is fixed to the bottom of the electric telescopic rod (240). A fabric roller (250) is provided on the inner wall of the drive bracket (241).

4. The X-ray detection-based variable ash content raw coal weighing device according to claim 1, characterized in that, The testing mechanism includes a mounting cover (310), which is fixed to the top of the frame (100) by bolts. An isolation frame (320) is fixed to the inner wall of the mounting cover (310), and an ash content testing instrument (330) is fixed to the top of the mounting cover (310) by bolts.

5. The X-ray detection-based variable ash content raw coal weighing device according to claim 1, characterized in that, The transport mechanism includes a mounting plate (510), which is fixed to the top of the hopper (410) by bolts. A drive motor (520) is fixed to the top of the mounting plate (510) by bolts. A drive shaft (521) is provided at the output end of the drive motor (520), and a spiral block (530) is fixed to the outside of the drive shaft (521).

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