Flow stabilizing device used before dense medium clean coal ash content detection

Abstract

The utility model relates to the technical field of clean coal ash content detection, in particular to a flow stabilizing device used before dense medium clean coal ash content detection, which comprises a U-shaped mounting frame, two transmission rollers distributed left and right are rotatably connected in the U-shaped mounting frame, a conveying belt is in transmission connection between the two transmission rollers, a temporary storage box is arranged above the U-shaped mounting frame, and the temporary storage box is arranged above the U-shaped mounting frame. Two sliding rods are fixedly connected between the front side and the rear side of the inner wall of the temporary storage box, and the outer walls of the two sliding rods are slidably connected with moving blocks. By means of the constant-speed rotation of the rotating sleeve, coal ash in the temporary storage box enters the distributing grooves and continuously falls to the upper end of the conveying belt, the distributing grooves are evenly distributed, the containing spaces are equal, and meanwhile the coal ash above the rotating sleeve can be prevented from being accumulated at one position by combining the front-back movement of the push plates, so that the coal ash is prevented from being accumulated at the same position through the constant-speed rotation of the rotating sleeve. And therefore, the coal ash can uniformly fall to the surface of the conveying belt, and the purposes of preventing unbalanced load of the device and preventing the device from inclining are achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of fine coal ash detection, in particular to a steady flow device before heavy medium fine coal ash detection. Background Technique

[0002] Coal ash is the powder formed after the combustion of coal-fired boilers. Its main uses include urban landfill; coal ash dam treatment; roads, railways, and drainage projects; water conservancy, tunnels, dams, gates for seepage prevention; liquid storage tank seepage prevention; water conveyance and liquid conveyance channels, solid waste stacking for seepage prevention; roof leakage prevention; moisture-proof for building basements, underground warehouses, and underground garages; pile membrane cofferdams, reclamation by landfill, wharf projects, etc. Coal ash has functions such as adsorption, purification, and catalysis. Therefore, in the laboratory, coal ash can be used to replace many drugs for various experiments. In daily life, it can be used for life-saving and sewage purification. In production, it can be used as fertilizer and to improve acidic soil. In environmental protection, it can be used to treat industrial wastewater, etc.

[0003] In the prior art, before coal ash detection, the coal ash needs to be conveyed to the conveying device for detection. However, during the conveying process, it is impossible to ensure that the coal ash evenly falls onto the conveying device, resulting in coal piles of different sizes being formed, causing uneven load and inclination of the conveying device. Therefore, it is necessary to propose a steady flow device before heavy medium fine coal ash detection to solve the above-mentioned problems. Content of the Utility Model

[0004] The purpose of the utility model is to provide a steady flow device before heavy medium fine coal ash detection, which has the characteristics of facilitating the even falling of coal ash onto the surface of the conveyor belt to prevent uneven load of the device and avoid inclination of the device.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A steady flow device before heavy medium fine coal ash detection, including a U-shaped mounting frame. Two driving rollers distributed left and right are rotatably connected inside the U-shaped mounting frame. A conveyor belt is drivingly connected between the two driving rollers. A temporary storage box is arranged above the U-shaped mounting frame. Two sliding rods are fixedly connected between the front and rear sides of the inner wall of the temporary storage box. A moving block is slidably connected to the outer walls of the two sliding rods. The moving block is driven by an electric telescopic rod installed on the front side of the temporary storage box. A plurality of push plates are fixedly connected to the lower side of the moving block. A fixed material plate is fixedly connected to the right side of the temporary storage box;

[0006] The lower end of the temporary storage box is penetrated and connected with a discharge frame. The front and rear sides of the inner wall of the temporary storage box and the front and rear sides of the inner wall of the discharge frame are respectively located in the same vertical plane. A rotating shaft is rotatably connected between the front and rear sides of the inner wall of the discharge frame. The rotating shaft is driven by a first motor installed on the front side of the discharge frame. A rotating sleeve that is in contact with the inner wall of the discharge frame is fixedly connected to the outer wall of the rotating shaft. A plurality of evenly distributed material dividing grooves are formed on the outer wall of the rotating sleeve.

[0007] In order to prevent coal ash from staying at the bottom of the temporary storage box, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, two guiding blocks distributed left and right are fixedly connected between the front and rear sides of the inner wall of the temporary storage box.

[0008] In order to facilitate driving the left transmission roller to rotate, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, the transmission roller on the left is driven by a second motor installed on the front side of the U-shaped mounting frame.

[0009] In order to facilitate fixing the temporary storage box, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, two cross plates are fixedly connected between the front and rear sides of the inner wall of the U-shaped mounting frame, and vertical plates fixedly connected to the lower side of the temporary storage box are fixedly connected to the upper ends of the two cross plates.

[0010] In order to facilitate observing the height of the coal ash position inside the temporary storage box at all times, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, the right side of the temporary storage box is made of a transparent material.

[0011] In order to facilitate adding coal ash into the temporary storage box, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, a feed hopper is penetrated and connected to the upper end of the temporary storage box.

[0012] In order to facilitate installing and fixing the device, as an optimization of the pre-detection steady flow device for heavy medium clean coal ash content of the present utility model, mounting frames are fixedly connected to the left and right sides of the lower end surface of the U-shaped mounting frame.

[0013] Compared with the prior art, the beneficial effects of the present utility model are as follows:

[0014] Through the uniform rotation of the rotating sleeve, the coal ash inside the temporary storage box will enter the material distribution groove and continuously fall on the upper end of the conveyor belt. Since multiple material distribution grooves are evenly distributed and have equal accommodation spaces, and the amount of coal ash inside the temporary storage box is always not lower than the position of the fixed material plate, and at the same time, the combined front and back movement of multiple push plates can prevent the coal ash above the rotating sleeve from accumulating in one place. Therefore, through the uniform rotation of the rotating sleeve, it is convenient to make the coal ash fall evenly onto the surface of the conveyor belt, so as to prevent the device from being unbalanced in load and avoid the device from tilting. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is the overall front sectional view of the present utility model;

[0016] Figure 2 It is the connection structure diagram at the temporary storage box of the present utility model;

[0017] Figure 3 It is the connection structure diagram of the rotating shaft and the rotating sleeve of the present utility model;

[0018] Figure 4 This is the front view structure diagram of the U-shaped mounting bracket of the present utility model.

[0019] In the figure: 1. U-shaped mounting bracket; 2. Driving roller; 3. Conveyor belt; 4. Temporary storage box; 5. Moving block; 6. Electric telescopic rod; 7. Pushing plate; 8. Rotating shaft; 9. Rotating sleeve; 10. Material distribution groove; 11. First motor; 12. Horizontal plate; 13. Vertical plate; 14. Guide block; 15. Slide bar; 16. Discharge frame; 17. Fixed material plate; 18. Second motor. Specific implementation mode

[0020] Please refer to Figures 1 to 4 , a pre-stabilizing flow device for heavy medium clean coal ash content detection, including a U-shaped mounting bracket 1, two driving rollers 2 distributed left and right are rotatably connected inside the U-shaped mounting bracket 1, a conveyor belt 3 is drivingly connected between the two driving rollers 2, a temporary storage box 4 is arranged above the U-shaped mounting bracket 1, two slide bars 15 are fixedly connected between the front and rear sides of the inner wall of the temporary storage box 4, a moving block 5 is slidably connected to the outer walls of the two slide bars 15, the moving block 5 is driven by an electric telescopic rod 6 installed on the front side of the temporary storage box 4, a plurality of pushing plates 7 are fixedly connected to the lower side of the moving block 5, and a fixed material plate 17 is fixedly connected to the right side of the temporary storage box 4;

[0021] The lower end of the temporary storage box 4 is penetrated and connected with a discharge frame 16, the front and rear sides of the inner wall of the temporary storage box 4 and the front and rear sides of the inner wall of the discharge frame 16 are respectively located in the same vertical plane, a rotating shaft 8 is rotatably connected between the front and rear sides of the inner wall of the discharge frame 16, the rotating shaft 8 is driven by a first motor 11 installed on the front side of the discharge frame 16, a rotating sleeve 9 attached to the inner wall of the discharge frame 16 is fixedly connected to the outer wall of the rotating shaft 8, and a plurality of uniformly distributed material distribution grooves 10 are formed on the outer wall of the rotating sleeve 9.

[0022] In this embodiment: The first motor 11 drives the rotating shaft 8 to rotate at a constant speed, so as to drive the rotating sleeve 9 to rotate at a constant speed. At the same time, the coal ash inside the temporary storage box 4 will enter the material distribution grooves 10 and continuously fall on the upper end of the conveyor belt 3. And the plurality of material distribution grooves 10 are evenly distributed and have equal accommodation spaces, and the amount of coal ash inside the temporary storage box 4 is always not lower than the position of the fixed material plate 17. At the same time, the electric telescopic rod 6 drives the moving block 5 to move back and forth on the outer walls of the two slide bars 15, and drives a plurality of pushing plates 7 to move back and forth at the same time. Then, the coal ash is repeatedly pushed back and forth by the plurality of pushing plates 7, so as to prevent the coal ash above the rotating sleeve 9 from accumulating in one place. Therefore, through the constant rotation of the rotating sleeve 9, it is convenient for the coal ash to fall evenly onto the surface of the conveyor belt 3, so as to prevent the device from being unbalanced in load and avoid the device from tilting. At the same time, through the rotation of the left driving roller 2, the conveyor belt 3 can convey the coal ash through the right driving roller 2.

[0023] As a technical optimization solution of the present utility model, two guiding blocks 14 distributed left and right are fixedly connected between the front and rear sides of the inner wall of the temporary storage box 4.

[0024] In this embodiment: By providing two guiding blocks 14, it is possible to prevent coal ash from remaining at the bottom of the temporary storage box 4.

[0025] As a technical optimization solution of the present utility model, the driving roller 2 on the left side is driven by a second motor 18 installed on the front side of the U-shaped mounting frame 1.

[0026] In this embodiment: By providing the second motor 18, it is convenient to drive the driving roller 2 on the left side to rotate.

[0027] As a technical optimization solution of the present utility model, two cross plates 12 are fixedly connected between the front and rear sides of the inner wall of the U-shaped mounting frame 1, and vertical plates 13 fixedly connected to the lower side of the temporary storage box 4 are fixedly connected to the upper ends of the two cross plates 12.

[0028] In this embodiment: By providing two cross plates 12 and two vertical plates 13, it is convenient to fix the temporary storage box 4.

[0029] As a technical optimization solution of the present utility model, the right side of the temporary storage box 4 is made of a transparent material.

[0030] In this embodiment: By making the right side of the temporary storage box 4 of a transparent material, the height of the position of the coal ash inside the temporary storage box 4 can be observed at all times.

[0031] As a technical optimization solution of the present utility model, a feed hopper is penetrated and connected to the upper end of the temporary storage box 4.

[0032] In this embodiment: By providing the feed hopper, it is convenient to add coal ash into the temporary storage box 4.

[0033] As a technical optimization solution of the present utility model, mounting frames are fixedly connected to the left and right sides of the lower end surface of the U-shaped mounting frame 1.

[0034] In this embodiment: By providing two mounting frames, the device can be installed and fixed.

[0035] Working principle: First, the first motor 11 drives the rotating shaft 8 to rotate at a constant speed, thereby driving the rotating sleeve 9 to rotate at a constant speed. At the same time, the coal ash inside the temporary storage box 4 will enter the material distribution groove 10 and continuously fall on the upper end of the conveyor belt 3. The multiple material distribution grooves 10 are evenly distributed and have equal accommodation spaces, and the amount of coal ash inside the temporary storage box 4 is always not lower than the position of the fixed material plate 17. At the same time, the electric telescopic rod 6 drives the moving block 5 to move back and forth on the outer walls of the two sliding rods 15, and drives the multiple push plates 7 to move back and forth at the same time. Then, the coal ash is repeatedly pushed back and forth by the multiple push plates 7, thereby preventing the coal ash above the rotating sleeve 9 from accumulating in one place. Therefore, through the uniform rotation of the rotating sleeve 9, when the material falls, it is convenient for the coal ash to fall evenly onto the surface of the conveyor belt 3, so as to prevent the device from being unbalanced in load and avoid the device from tilting. At the same time, the second motor 18 drives the rotation of the left transmission roller 2, and by driving the right transmission roller 2, the conveyor belt 3 can convey the coal ash.

[0036] The above are only the preferred embodiments of the present invention, and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A flow stabilization device before ash content detection of heavy medium clean coal, comprising a U-shaped mounting frame (1), wherein the interior of the U-shaped mounting frame (1) is rotatably connected to two transmission rollers (2) distributed on the left and right, and a conveyor belt (3) is transmission-connected between the two transmission rollers (2), characterized in that: A temporary storage box (4) is arranged above the U-shaped mounting frame (1), two sliding rods (15) are fixedly connected between the front and rear sides of the inner wall of the temporary storage box (4), and the outer walls of the two sliding rods (15) are slidably connected with a moving block (5), and the moving block (5) is driven by an electric telescopic rod (6) installed on the front side of the temporary storage box (4), and a plurality of push plates (7) are fixedly connected to the lower side of the moving block (5), and a fixed material plate (17) is fixedly connected to the right side of the temporary storage box (4); The lower end of the temporary storage box (4) is connected to a discharge frame (16), and the front and rear sides of the inner wall of the temporary storage box (4) and the front and rear sides of the inner wall of the discharge frame (16) are respectively located on the same vertical plane. A rotating shaft (8) is rotatably connected between the front and rear sides of the inner wall of the discharge frame (16), and the rotating shaft (8) is driven by a first motor (11) installed on the front side of the discharge frame (16). The outer wall of the rotating shaft (8) is fixedly connected to a rotating sleeve (9) that is in contact with the inner wall of the discharge frame (16), and the outer wall of the rotating sleeve (9) is provided with a plurality of evenly distributed material distribution grooves (10).

2. A flow stabilization device before ash content detection of heavy medium clean coal according to claim 1, characterized in that: Two guide blocks (14) distributed left and right are fixedly connected between the front and rear sides of the inner wall of the temporary storage box (4).

3. A flow stabilization device before ash content detection of heavy medium clean coal according to claim 1, characterized in that: The transmission roller (2) located on the left side is driven by a second motor (18) installed on the front side of the U-shaped mounting frame (1).

4. A flow stabilization device before ash content detection of heavy medium clean coal according to claim 1, characterized in that: Two horizontal plates (12) are fixedly connected between the front and rear sides of the inner wall of the U-shaped mounting frame (1), and the upper ends of the two horizontal plates (12) are fixedly connected to vertical plates (13) fixedly connected to the lower side of the temporary storage box (4).

5. The device for stabilizing flow before ash content detection of heavy medium clean coal according to claim 1, characterized in that: The right side of the temporary storage box (4) is made of transparent material.

6. A flow stabilization device before ash content detection of heavy medium clean coal according to claim 1, characterized in that: The upper end of the temporary storage box (4) is connected through a feed hopper.

7. A flow stabilization device before ash content detection of heavy medium clean coal according to claim 1, characterized in that: The left and right sides of the lower end surface of the U-shaped mounting frame (1) are fixedly connected with mounting frames.

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