Storage and stirring device for testing fuel coal in power plant
By designing a power plant fuel coal chemical testing and storage mixing device that includes a mixing tank and regulating components, the problems of low mixing efficiency and inconvenient discharge were solved, achieving efficient mixing and convenient discharge.
Patent Information
- Application Number
- CN202422664999.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-01
- Publication Date
- 2025-11-18
- Estimated Expiration
- 2034-11-01
AI Technical Summary
Existing power plant fuel coal testing and storage mixing devices have low mixing efficiency and are difficult to completely remove coal particles, making them inconvenient to use.
The design includes a mixing tank, a mixing component, and an adjustment component. The mixing component improves mixing efficiency through the combined movement of the mixing rod and the mixing blade, and the adjustment component tilts the mixing tank to facilitate material discharge.
It improves mixing efficiency, ensures thorough mixing of coal particles, facilitates complete discharge, reduces manual operation, and enhances ease of use.
Smart Images

Figure CN223555954U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of coal stirring, especially to a storage and stirring device for power plant fuel coal testing. BACKGROUND
[0002] The formation of coal is a natural evolution process that has lasted for millions of years. It is formed by the accumulation of branches, leaves and roots of ancient lush forests and plants on the surface, forming a thick humus layer. With the movement of the earth's crust, these humus is gradually buried underground and isolated from the air. In the high temperature and high pressure environment of the underground, through a series of complex physical and chemical changes such as peatification and coalification, these humus gradually transforms into coal. This process is influenced by many natural factors such as geological structure and climate conditions. Today, coal has become one of the indispensable energy sources for human society, supporting the operation of industrial production and daily life.
[0003] Power plant fuel coal testing is an important link in power plant operation, which is crucial to ensuring the safe and efficient operation of power plants. The testing process mainly focuses on various quality indicators of coal, including moisture, ash, volatile matter, sulfur content, and calorific value. Through professional testing equipment and technical means, the collected coal samples can be analyzed in detail to accurately obtain the data of these key indicators.
[0004] Coal, as a flammable material, needs to be selected and refined before it can be used. Fuel power plants need to stir the coal before power production to improve the efficiency of the material. The existing stirring method is simple and takes a long time to mix the coal particles. The stirring efficiency is low, and it is difficult to completely remove the coal particles from the shell during the discharge process. Manual operation is required to complete the operation, which is inconvenient to use. Therefore, a storage and stirring device for power plant fuel coal testing is proposed. SUMMARY
[0005] The utility model aims at solving the shortcomings of the prior art, such as simple mode, long mixing time, low stirring efficiency and difficulty in completely removing coal particles from the shell. A storage and stirring device for power plant fuel coal testing is proposed.
[0006] To achieve the above-mentioned purpose, the utility model adopts the following technical solutions:
[0007] The utility model relates to a kind of storage stirring device for power plant fuel coal assay, including stirring box and pedestal, the side of stirring box away from pedestal is fixedly connected with feed inlet, the side of stirring box is equipped with discharge outlet, the bottom of stirring box is provided with stirring assembly, the stirring assembly includes stirring rod and stirring blade, adjusting assembly is arranged between the stirring box and pedestal, the adjusting assembly includes connecting plate, the number of connecting plate is two groups, two groups The connecting plate is symmetrically distributed.
[0008] The above technical solution further comprises:
[0009] The upper portion of the pedestal is fixedly connected with a support rod, which is movably connected between the connecting plate. The end of the connecting plate away from the stirring box is fixedly connected with a plurality of teeth. The outer side of the pedestal is symmetrically fixedly connected with a driver. The output shaft end of the driver is fixedly connected with a first gear. The first gear is engaged with the teeth. The stirring box can be in an inclined state to make the coal particles better discharge.
[0010] The outer side of the stirring box is movably connected with a baffle. The stirring box is engaged with a bolt. The bolt is engaged with the baffle.
[0011] The stirring box is movably connected with the stirring rod. The side of the stirring rod is fixedly connected with a circular ring rack. The stirring rod is fixedly connected with the stirring blade. The number of the stirring blade is multiple and symmetrically distributed.
[0012] The side of the stirring box close to the pedestal is fixedly connected with a second motor. The output shaft end of the second motor is fixedly connected with a third gear. The third gear is engaged with the circular ring rack. The stirring blade can be rotated around the stirring rod.
[0013] The side of the stirring box close to the pedestal is fixedly connected with a first motor. The output shaft end of the first motor is fixedly connected with a worm. The side of the stirring box close to the pedestal is movably connected with a second gear. The worm is engaged with the second gear. The stirring process can be repeatedly moved up and down and rotated around the stirring rod, which can further improve the stirring effect of the coal particles.
[0014] The end of the stirring rod away from the stirring blade is provided with a rectangular slot. The inside of the second gear is fixedly connected with a limiting block. The limiting block is slidably connected with the rectangular slot. The number of the rectangular slot is two groups and symmetrically distributed. The number of the limiting block is two groups and symmetrically distributed.
[0015] The size of the limiting block is matched with the opening size of the rectangular slot.
[0016] The utility model has the following beneficial effects:
[0017] 1. The utility model discloses a stirring assembly is to the coal in the stirring box inside is stirred, and repeatedly moves up and down and rotates in the process of stirring, can further promote the stirring effect of coal particle, and the stirring is more sufficient, can improve the stirring efficiency.
[0018] 2. The utility model discloses a adjusting component is in the state of inclination when discharging makes the stirring box, makes coal particle discharge better, and coal particle is not easy to remain in the shell, and it is convenient to use, through the driver, can control the running state of the device. DRAWINGS
[0019] Figure 1 It is the whole structure schematic diagram of the storage stirring device for power plant fuel coal assay that the utility model proposes;
[0020] Figure 2 It is the three -dimensional structure schematic diagram in the utility model;
[0021] Figure 3 It is the first part structure schematic diagram in the utility model;
[0022] Figure 4 It is the second part structure schematic diagram in the utility model;
[0023] Figure 5 It is Figure 2 It is the structure enlarged diagram of A place in the utility model.
[0024] In the drawing: 1, stirring box;2, base;3, feed inlet;4, connecting plate;5, driver;6, support rod;7, baffle;8, discharge port;9, gear teeth;10, first gear;11, stirring blade;12, stirring rod;13, first motor;14, worm;15, second gear;16, rectangular groove;17, circular ring rack;18, second motor;19, third gear;20, limit block;21, bolt. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0026] Embodiment one
[0027] As Figures 1-5The utility model provides a kind of storage stirring device for power plant fuel coal assay, including stirring box 1 and base 2, the side of stirring box 1 away from base 2 is fixedly connected with feed inlet 3, discharge outlet 8 is set in the side of stirring box 1, the bottom of stirring box 1 is provided with stirring assembly, and stirring assembly includes stirring rod 12 and stirring blade 11, stirring box 1 is movably connected between stirring rod 12, the side of stirring rod 12 is fixedly connected with circular ring rack 17, stirring rod 12 is fixedly connected between stirring blade 11, the number of stirring blade 11 is multiple groups and is symmetrically distributed, the side of stirring box 1 close to base 2 is fixedly connected with second motor 18, and the output shaft end of second motor 18 is fixedly connected with third gear 19;
[0028] Third gear 19 is engaged between circular ring rack 17, the side of stirring box 1 close to base 2 is fixedly connected with first motor 13, the output shaft end of first motor 13 is fixedly connected with worm 14, the side of stirring box 1 close to base 2 is movably connected with second gear 15, worm 14 is engaged between second gear 15, the end of stirring rod 12 away from stirring blade 11 is provided with rectangular slot 16, the inside of second gear 15 is fixedly connected with limit block 20, limit block 20 is slidably connected between rectangular slot 16, the number of rectangular slot 16 is two groups and is symmetrically distributed, and the number of limit block 20 is two groups and is symmetrically distributed, and the size of limit block 20 is adapted to the opening size of rectangular slot 16.
[0029] In the embodiment, the rotation of worm 14 and third gear 19 is driven by the simultaneous start of first motor 13 and second motor 18, worm 14 is engaged with second gear 15, third gear 19 is engaged with circular ring rack 17, the rotation of worm 14 drives stirring rod 12 on second gear 15 to rotate, so that stirring rod 12 drives stirring blade 11 to stir in the inside of stirring box 1, the rotation of third gear 19 drives stirring rod 12 on circular ring rack 17 to repeatedly move up and down, when stirring rod 12 repeatedly moves up and down, rectangular slot 16 on stirring rod 12 slides with limit block 20 on second gear 15, and when stirring rod 12 rotates, limit block 20 on second gear 15 drives stirring rod 12 to rotate in rectangular slot 16 on stirring rod 12, so that stirring is more sufficient.
[0030] Embodiment two
[0031] As Figures 1-5As shown, based on the basis of example one, the adjusting assembly is arranged between the stirring box 1 and the base 2, the adjusting assembly comprises the connecting plates 4, the number of the connecting plates 4 is two groups, the two groups of connecting plates 4 are symmetrically distributed, the upper portion of the base 2 is fixedly connected with the supporting rods 6, the supporting rods 6 are movably connected between the connecting plates 4, a plurality of gear teeth 9 are fixedly connected to the end of the connecting plate 4 away from the stirring box 1, the outer side of the base 2 is fixedly connected with the drivers 5, the output shaft end of the driver 5 is fixedly connected with the first gear 10, the first gear 10 is engaged between the gear teeth 9, the outer side of the stirring box 1 is movably connected with the baffle 7, the stirring box 1 is engaged with the bolt 21, and the bolt 21 is engaged with the baffle 7.
[0032] In the embodiment, when the stirring in the stirring box 1 is completed and the remaining coal particles in the stirring box 1 need to be taken out, the bolt 21 is rotated to release the combination between the stirring box 1 and the baffle 7, and the discharge port 8 is exposed, at this time, the driver 5 is started, the driver 5 drives the first gear 10, the first gear 10 is engaged with the gear teeth 9, the rotation of the first gear 10 drives the connecting plate 4 and the stirring box 1 to rotate on the supporting rod 6 of the base 2, so that the stirring box 1 is in an inclined state, the coal particles are better discharged through the discharge port 8, and the coal particles are not easy to remain in the shell.
[0033] Although the embodiments of the utility model have been shown and described, it can be understood by those of ordinary skill in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, the scope of the utility model is defined by the appended claims and their equivalents.
Claims
1. A storage and stirring device for fuel coal testing of power plants, comprising a stirring box (1) and a base (2), characterized in that, The feeding port (3) is fixedly connected to one side of the stirring box (1) away from the base (2), an outlet (8) is formed in the side of the stirring box (1), a stirring assembly is arranged at the bottom of the stirring box (1), the stirring assembly comprises a stirring rod (12) and stirring blades (11), an adjusting assembly is arranged between the stirring box (1) and the base (2), the adjusting assembly comprises connecting plates (4), the number of the connecting plates (4) is two groups, and the two groups of connecting plates (4) are symmetrically distributed.
2. The storage and stirring device for fuel coal test of power plant according to claim 1, characterized in that, A supporting rod (6) is fixedly connected to the upper portion of the base (2), the supporting rod (6) is movably connected between the connecting plates (4), a plurality of teeth (9) are fixedly connected to one end of the connecting plate (4) away from the stirring box (1), drive devices (5) are symmetrically fixedly connected to the outer side of the base (2), the output shaft end of the drive device (5) is fixedly connected with a first gear (10), and the first gear (10) is engaged with the teeth (9).
3. The storage and stirring device for fuel coal test of power plant according to claim 1, characterized in that, A baffle (7) is movably connected to the outer side of the stirring box (1), the stirring box (1) is engaged with a bolt (21), and the bolt (21) is engaged with the baffle (7).
4. The storage and stirring device for fuel coal test of power plant according to claim 1, characterized in that, The stirring rod (12) is movably connected between the stirring box (1) and the stirring rod (12), a circular ring-shaped gear rack (17) is fixedly connected to the side of the stirring rod (12), the stirring rod (12) is fixedly connected with the stirring blades (11), and the number of the stirring blades (11) is multiple and symmetrically distributed.
5. The storage and stirring device for fuel coal test of power plant according to claim 1, characterized in that, A second motor (18) is fixedly connected to one side of the stirring box (1) close to the base (2), the output shaft end of the second motor (18) is fixedly connected with a third gear (19), and the third gear (19) is engaged with the circular ring-shaped gear rack (17).
6. The storage and stirring device for fuel coal test of power plant according to claim 1, characterized in that, A first motor (13) is fixedly connected to one side of the stirring box (1) close to the base (2), the output shaft end of the first motor (13) is fixedly connected with a worm (14), a second gear (15) is movably connected to one side of the stirring box (1) close to the base (2), and the worm (14) is engaged with the second gear (15).
7. The storage and stirring device for fuel coal test of power plant according to claim 6, characterized in that, A rectangular slot (16) is formed in one end of the stirring rod (12) away from the stirring blades (11), a limiting block (20) is fixedly connected to the inside of the second gear (15), the limiting block (20) is slidably connected with the rectangular slot (16), the number of the rectangular slots (16) is two groups and symmetrically distributed, and the number of the limiting blocks (20) is two groups and symmetrically distributed.
8. The storage and stirring device for fuel coal test of power plant according to claim 7, characterized in that, The size of the limiting block (20) is matched with the opening size of the rectangular slot (16).