Ash content detection device for coal as fired
By using a left-right shaking and flipping structure on the heating platform, combined with a sliding drive component, the problems of uneven heating and burns to coal samples are solved, achieving efficient heating and safe sampling.
Patent Information
- Application Number
- CN202422976636.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-04
- Publication Date
- 2025-11-28
- Estimated Expiration
- 2034-12-04
AI Technical Summary
Existing technologies result in uneven and time-consuming heating of coal samples, and the sampling process carries a risk of burns.
The heating platform employs a left-right shaking and flipping structure, combined with a sliding drive component, to achieve uniform spreading and safe removal of coal samples.
It improves heating efficiency, ensures operational safety and convenience, shortens heating time, and prevents burns from high-temperature gases.
Smart Images
Figure CN223611499U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to coal quality ash content detection technical field especially is related to a kind of coal quality ash content detection device of furnace. BACKGROUND
[0002] Coal industrial analysis is important index for understanding coal quality characteristics, and is also basic standard for evaluating coal quality. Coal quality is different in different mining areas. When selecting, gangue and other impurities should be removed as much as possible, and particle size of coal block should be controlled to meet the requirements of coal quality. However, even so, coal quality still contains dust and other silicate impurities, so coal quality ash content detection is needed.
[0003] In the prior art, a certain amount of air-dried coal sample is weighed and placed in a heating furnace. The coal sample is heated at a certain speed until ashing and burning to constant mass. The percentage of residual mass to coal sample mass is taken as ash yield. However, during the heating process, the coal sample is stacked together, and the stacked coal sample is uneven. This not only causes uneven heating, but also takes a long time to heat the coal sample from the outside to the inside, resulting in low heating efficiency. After the coal quality ash content detection is completed, when the furnace opening is opened to take out the coal sample, the high temperature in the heating furnace is easy to flow out from the furnace opening, which can scald the worker, so it is difficult to safely and conveniently take out and replace the coal sample. UTILITY MODEL CONTENT
[0004] The utility model provides a kind of coal quality ash content detection device of furnace, it is beneficial to improve heating efficiency, and safely and conveniently take out and replace etc.
[0005] To solve the problems in the prior art, the utility model discloses a kind of coal quality ash content detection device of furnace, including heating furnace and detection instrument, the detection instrument is installed in heating furnace top end;
[0006] The heating furnace is provided with a heating table, detection grooves are opened in the upper and lower ends of the heating table, and an electric heating wire is arranged in the middle of the heating table. A furnace opening is opened in the right end of the heating furnace. The right end of the furnace opening is covered with a right cover plate. A brake motor is fixed to the right end of the right cover plate. A turnover shaft is connected to the power end of the brake motor. The turnover shaft rotates and penetrates through the right cover plate. A left cover plate is arranged to the left of the heating table. Fixed plates are arranged to the left and right ends of the heating table. One of the fixed plates is fixed to the left end of the turnover shaft, and the other fixed plate is rotatably connected to the right side of the left cover plate. A left-right sliding drive assembly is arranged below the left cover plate.
[0007] At least two spring telescopic rods are connected between the fixed plates and the heating table.
[0008] Further, the left and right sliding drive assembly comprises a sliding rail, a sliding plate, a reversible motor, a screw rod, a push-pull rod and a push-pull plate, the sliding rail is fixed to the lower end in the heating furnace, and the sliding plate is fixed to the lower end of the left cover plate and is in sliding connection with the sliding rail.
[0009] Further, the reversible motor is fixed to the left end in the heating furnace, one end of the screw rod is connected to the power end of the reversible motor, and the other end of the screw rod is rotatably connected to the right end in the heating furnace, and the sliding plate is in threaded connection with the screw rod.
[0010] Further, the push-pull rod is fixed to the right side of the sliding plate and slidably penetrates out of the right side of the heating furnace, and the push-pull plate is fixed to the right end of the push-pull rod and is fixed to the lower end of the right cover plate.
[0011] Further, the left and right shaking drive assembly comprises a heat shield, a driving motor, a rotating plate, a semicircular impact block and a semicircular convex block, the heat shield is fixed to the inner side of one of the fixed plates, the driving motor is fixed in the heat shield, and the driving shaft of the driving motor rotatably penetrates out of the heat shield, and the rotating plate is connected to the end of the driving shaft of the driving motor.
[0012] Further, the semicircular impact block is provided with two semicircular impact blocks and is fixed to the left side of the rotating plate, and the semicircular convex block is provided with two semicircular convex blocks and is fixed to the right side of the heating table, and the arc surface of the semicircular impact block corresponds to the arc surface of the semicircular convex block.
[0013] Compared with the prior art, the utility model realizes the beneficial effects that:
[0014] 1. Through the work of the left and right shaking drive assembly, combined with the elasticity of the spring telescopic rod, the heating table is driven to reciprocate left and right, so that the coal sample in the detection groove is evenly shaken and flattened, the uniformity of heating is ensured, the efficiency of external heating is greatly improved because the flattened coal sample is not stacked together, and the heating time is saved.
[0015] 2. Through the work of the left and right sliding drive assembly, the heating table can be easily moved out of the heating furnace, and the left cover plate covers the furnace opening, which prevents high temperature in the heating furnace from continuously flowing out of the furnace opening, so as to prevent scalding during the material taking process. Through the work of the braking motor, the heating table is turned over by 180 degrees, the coal sample in the detection groove is quickly taken out, and combined with the work of the left and right shaking drive assembly, the heating table is driven to reciprocate left and right, so that the coal sample in the detection groove with the opening downward is discharged clean. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the utility model;
[0017] Figure 2 It is a heating table structure schematic view of the utility model;
[0018] Figure 3 The whole material taking working structure schematic view of the utility model.
[0019] Figures 1-3 Middle: heating furnace 1, detector 2, heating table 3, left cover plate 4, sliding plate 5, positive and negative motor 6, lead screw 7, push-pull rod 8, right cover plate 9, furnace mouth 10, brake motor 11, overturning shaft 12, fixed plate 13, detection groove 14, spring telescopic rod 15, heat shield 16, driving motor 17, rotating plate 18, semicircular impact block 19, semicircular convex block 20, electric heating wire 21, push-pull plate 22, sliding rail 23. DETAILED DESCRIPTION
[0020] A coal ash content detection device for entering the furnace:
[0021] As Figure 1 , 2 shown, in the embodiment, including heating furnace 1 and detector 2, the detector 2 is installed in heating furnace 1 inner top end, heating furnace 1 is equipped with heating table 3 in, the heating table 3 upper and lower ends are all opened detection groove 14, and heating table 3 inner middle part is equipped with electric heating wire 21, the heating furnace 1 right end is opened furnace mouth 10, the furnace mouth 10 right end is covered with right cover plate 9, the heating table 3 left side is equipped with left cover plate 4, the heating table 3 left and right ends are all equipped with fixed plate 13, the fixed plate 13 all with heating table 3 between all are connected with at least two spring telescopic rods 15, the heating table 3 right side is equipped with left and right shaking driving assembly, the left and right shaking driving assembly includes heat shield 16, driving motor 17, rotating plate 18, semicircular impact block 19 and semicircular convex block 20, the heat shield 16 is fixed in one piece of fixed plate 13 inner side, the driving motor 17 is fixed in heat shield 16, and the driving shaft rotation of driving motor 17 is rotated and penetrates out heat shield 16, the rotating plate 18 is connected to the driving shaft end of driving motor 17, the semicircular impact block 19 is equipped with two and is all fixed in rotating plate 18 left side, the semicircular convex block 20 is equipped with two and is all fixed in heating table 3 right side, the arc surface of semicircular impact block 19 and the arc surface of semicircular convex block 20 correspond.
[0022] When the coal sample is placed in the upper detection groove 14, the coal sample in the upper detection groove 14 is heated by the work of the electric heating wire 21, at the same time, the rotating plate 18 and the semicircular impact block 19 are rotated by the work of the driving motor 17, the semicircular impact block 19 continuously impacts and pushes the semicircular convex block 20 through the arc surface, thereby pushing the heating table 3 to move, at the same time, the heating table 3 compresses or stretches the spring telescopic rod 15, and the rebound force of the spring telescopic rod 15 drives the heating table 3 to reciprocate left and right, thereby facilitating the uniform shaking and flattening of the coal sample in the detection groove 14, facilitating the uniform heating, since the flattened coal sample is not stacked together, the heating efficiency is greatly improved, the heating time is saved, and finally the ash content of the coal sample in the detection groove 14 is detected by the detector 2.
[0023] As shown in Figure 1 , 3 , in the embodiment, the left cover plate 4 is provided with a left and right sliding drive assembly, the left and right sliding drive assembly comprises a sliding rail 23, a sliding plate 5, a reversible motor 6, a lead screw 7, a push-pull rod 8 and a push-pull plate 22, the sliding rail 23 is fixed to the lower end in the heating furnace 1, and the sliding plate 5 is fixed to the lower end of the left cover plate 4, and the sliding plate 5 is slidably connected with the sliding rail 23, the reversible motor 6 is fixed to the left end in the heating furnace 1, one end of the lead screw 7 is connected with the power end of the reversible motor 6, and the other end of the lead screw 7 is rotatably connected with the right end in the heating furnace 1, the sliding plate 5 is threadedly sleeved with the lead screw 7, the push-pull rod 8 is fixed to the right side of the sliding plate 5, and the push-pull rod 8 slidably penetrates out of the right side of the heating furnace 1, the push-pull plate 22 is fixed to the right end of the push-pull rod 8, and the upper end of the push-pull plate 22 is fixed to the lower end of the right cover plate 9.
[0024] When the detected coal sample needs to be taken out and replaced, the lead screw 7 is rotated by the work of the reversible motor 6, the lead screw 7 drives the sliding plate 5 to slide right along the sliding rail 23, therefore the sliding plate 5 drives the left cover plate 4, the push-pull rod 8, the push-pull plate 22, the right cover plate 9 and the heating table 3 to move right together, until the heating table 3 moves out of the heating furnace 1 through the furnace opening 10, at this time, the left cover plate 4 covers the left end of the furnace opening 10, avoiding the high-temperature gas in the heating furnace 1 from continuously flowing out of the furnace opening 10, therefore when the coal sample is replaced, the high-temperature gas is prevented from scalding the workers, and the operation is safer.
[0025] As shown in Figure 3 , in the embodiment, the right cover plate 9 is fixed with a brake motor 11 at the right end, the brake motor 11 is connected with a turnover shaft 12 at the power end, the turnover shaft 12 rotatably penetrates through the right cover plate 9, one of the fixed plates 13 is fixed to the left end of the turnover shaft 12, and the other fixed plate 13 is rotatably connected to the right side of the left cover plate 4.
[0026] When the heating table 3 moves out of the furnace, the rotation of 180 degrees of the turnover shaft 12, the fixed plate 13, the spring telescopic rod 15 and the heating table 3 is driven by the work of the brake motor 11 to stop, so that the detection grooves 14 at the upper and lower ends are exchanged in position, when the detection groove 14 with the coal sample is downward, the coal sample in the detection groove 14 will be automatically poured out, and the work of the left and right shaking driving assembly will drive the heating table 3 to reciprocate left and right, so that the coal sample can be accelerated to shake off, so that the coal sample in the detection groove 14 with the opening downward can be discharged clean, and the subsequent coal sample to be detected can be stored in the empty detection groove 14 above, so that the coal sample in the detection groove 14 can be quickly taken out and replaced, and the operation is convenient.
Claims
1. An ash content detection device for furnace coal quality, comprising a heating furnace (1) and a detector (2), the detector (2) is installed at the top end of the heating furnace (1), characterized in that: the heating furnace (1) is provided with a heating table (3), the heating table (3) is provided with a detection groove (14) at the upper and lower ends, and the middle part of the heating table (3) is provided with an electric heating wire (21), the right end of the heating furnace (1) is provided with a furnace opening (10), the right end of the furnace opening (10) is covered with a right cover plate (9), the right end of the right cover plate (9) is fixed with a brake motor (11), the power end of the brake motor (11) is connected with a turnover shaft (12), the turnover shaft (12) rotates through the right cover plate (9), the left side of the heating table (3) is provided with a left cover plate (4), the left and right ends of the heating table (3) are provided with fixed plates (13), one of the fixed plates (13) is fixed at the left end of the turnover shaft (12), the other fixed plate (13) is rotatably connected to the right side of the left cover plate (4), and the left side of the left cover plate (4) is provided with a left and right sliding drive assembly; the fixed plates (13) are connected with the heating table (3) through at least two spring telescopic rods (15), and the right side of the heating table (3) is provided with a left and right shaking drive assembly.
2. The device for detecting the ash content of coal into the furnace according to claim 1, characterized in that: The left and right sliding drive assembly comprises a sliding rail (23), a sliding plate (5), a forward and reverse motor (6), a lead screw (7), a push-pull rod (8) and a push-pull plate (22), the sliding rail (23) is fixed to the lower end of the heating furnace (1), the sliding plate (5) is fixed to the lower end of the left cover plate (4), and the sliding plate (5) is slidably connected with the sliding rail (23).
3. The device for detecting the ash content of coal into the furnace according to claim 2, characterized in that: The forward and reverse motor (6) is fixed to the left end of the heating furnace (1), one end of the lead screw (7) is connected with the power end of the forward and reverse motor (6), and the other end of the lead screw (7) is rotatably connected with the right end of the heating furnace (1), and the sliding plate (5) is threadedly connected with the lead screw (7).
4. The coal ash content detection device according to claim 2, characterized in that: The push-pull rod (8) is fixed to the right side of the sliding plate (5), and the push-pull rod (8) slides through the right side of the heating furnace (1), the push-pull plate (22) is fixed to the right end of the push-pull rod (8), and the upper end of the push-pull plate (22) is fixed to the lower end of the right cover plate (9).
5. The device for detecting ash content of coal into a furnace according to claim 1, characterized in that: The left and right shaking drive assembly comprises a heat shield (16), a drive motor (17), a rotating plate (18), a semicircular impact block (19) and a semicircular convex block (20), the heat shield (16) is fixed to the inner side of one of the fixed plates (13), the drive motor (17) is fixed in the heat shield (16), and the drive shaft of the drive motor (17) rotates through the heat shield (16) and extends out of the heat shield (16), the rotating plate (18) is connected with the end of the drive shaft of the drive motor (17).
6. The coal ash content detection device according to claim 5, characterized in that: The semicircular impact block (19) is provided with two semicircular impact blocks (19) and is fixed to the left side of the rotating plate (18), the semicircular convex block (20) is provided with two semicircular convex blocks (20) and is fixed to the right side of the heating table (3), and the arc surface of the semicircular impact block (19) corresponds to the arc surface of the semicircular convex block (20).