A ring coal feeder discharging buffer dust falling device
By introducing a buffer tank and a water atomization system into the feeding device of the ring feeder, the problems of coal crushing and dust pollution were solved, achieving the effects of coal buffering and dust reduction, and improving environmental protection and equipment protection.
Patent Information
- Application Number
- CN202522117022.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-30
- Publication Date
- 2026-08-25
- Estimated Expiration
- 2035-09-30
AI Technical Summary
The existing ring feeder lacks a buffer structure when feeding coal, which makes the coal blocks easy to break and generates a lot of dust, polluting the environment and damaging downstream equipment.
Design a ring-shaped coal feeder feeding buffer dust suppression device, including a corrugated buffer trough, a rubber buffer layer, a water tank and an atomizing nozzle system. The buffer trough buffers the kinetic energy of the coal blocks, and the water mist suppresses dust and inhibits dust diffusion.
It effectively reduces coal breakage, lowers dust pollution, protects equipment, improves production efficiency, and reduces environmental pollution.
Smart Images

Figure CN224677371U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of coal feeder technology, specifically to a ring-type coal feeder feeding buffer dust suppression device. Background Technology
[0002] The ring-type coal feeder consists of a plow car, a unloading car, a drive unit, and a positioning and guiding device. The rotating body structure moves through a pin-tooth transmission system. When the plow car rotates, the plow claws push the coal out of the annular gap, and the unloading car transports the coal to the corresponding coal conveyor belt, completing the quantitative coal feeding process.
[0003] Application No. 202320250730.1 discloses a coal feeder unloading device. By rotating the adjusting screw sleeve of the adjusting module, the position between the adjusting screw sleeve and the adjusting bolt is adjusted. Then, the angle of the guide plate at the unloading port of the weighing belt coal feeder is adjusted by the first and second cables. This allows the guide plate to divert the residual coal sludge from the conveyor belt to the outside of the weighing belt coal feeder, effectively reducing the accumulation of coal sludge inside the weighing belt coal feeder, reducing the frequency of machine jamming and shutdown, and cleaning, improving production efficiency, and reducing the safety risks when manually cleaning the coal feeder.
[0004] The aforementioned application's feed inlet lacks a buffer structure, making the coal blocks prone to breakage and generating a large amount of dust, which exacerbates environmental pollution. The impact force also increases the damage to downstream equipment. Utility Model Content
[0005] To address the shortcomings of existing technologies, this utility model provides a ring-type coal feeder feeding buffer dust suppression device, which solves the problems mentioned in the background art.
[0006] To achieve the above objectives, this utility model provides the following technical solution: a ring-type coal feeder feeding buffer dust suppression device, comprising a feed inlet, a feeding hopper installed at the bottom of the feed inlet, a buffer groove inside the feeding hopper with a wavy surface, a guide plate installed at the bottom of the feeding hopper, a water tank fixedly connected to one side of the feeding hopper, an upper atomizing nozzle installed at the top of the water tank, an annular spray frame fixedly connected to the bottom of the feeding hopper and on one side of the guide plate, multiple lower atomizing nozzles installed on the inner side of the annular spray frame, a water pump installed on one side of the water tank, an inlet pipe and a three-way connector fixedly connected to the input and output ends of the water pump respectively, one end of the inlet pipe extending into the water tank, and a first drain pipe and a second drain pipe fixedly connected to both ends of the three-way connector respectively, with one end of the first drain pipe and the second drain pipe fixedly connected to the upper atomizing nozzle and the annular spray frame respectively.
[0007] Preferably, both the buffer groove and the guide plate are provided with a rubber buffer layer.
[0008] Preferably, a vibration motor is installed on the side of the hopper away from the water tank.
[0009] Preferably, a power supply is provided on one side of the hopper to provide power to the water pump and the vibration motor.
[0010] Preferably, the water filling the tank contains a surfactant.
[0011] Preferably, a feed pipe is installed on the top of the water tank and on one side of the upper atomizing nozzle, and a sealing cap is threaded to one end of the feed pipe.
[0012] This utility model provides a ring-type coal feeder feeding buffer and dust suppression device, which has the following beneficial effects: 1. The ring-type coal feeder's feeding buffer dust suppression device, through the wave-shaped buffer groove in the feeding hopper, helps to prolong the falling time of coal blocks, decomposing the violent vertical impact into multiple slight collisions and frictions, dissipating kinetic energy, reducing coal block breakage, and facilitating the buffering of coal blocks. Under the action of the upper atomizing nozzle and multiple lower atomizing nozzles in the ring spray frame, in conjunction with the water pump, the water flow is converted into water mist and sprayed to the upper and lower parts of the device for double dust suppression, which helps to reduce environmental pollution.
[0013] 2. The ring-type coal feeder's feeding buffer dust suppression device uses rubber buffer layers on the surfaces of the buffer trough and guide plate. Based on the elastic deformation and intramolecular friction of the rubber material, energy is consumed, which can further reduce the impact and improve the effect. In addition, the water in the water tank is mixed with surfactants, which can significantly reduce the surface tension of the water, allowing water droplets to quickly spread and penetrate on the dust surface, and stick to and saturate the dust particles. After dust suppression, a moist and somewhat adhesive "protective shell" is formed on the surface of the coal pile. This shell can still maintain a certain integrity after the water evaporates, effectively preventing secondary dust. Attached Figure Description
[0014] Figure 1 This is a schematic diagram of the structure of this utility model; Figure 2 This is a top view of the present invention; Figure 3 This is a bottom view of the present invention; Figure 4 This is a partial structural diagram of the present invention.
[0015] In the diagram: 1. Feed inlet; 2. Feed hopper; 3. Buffer trough; 4. Guide plate; 5. Water tank; 6. Upper atomizing nozzle; 7. Circular spray frame; 8. Lower atomizing nozzle; 9. Water pump; 10. Water inlet pipe; 11. T-joint; 12. First drain pipe; 13. Second drain pipe; 14. Vibration motor; 15. Rubber buffer layer; 16. Feed pipe. Detailed Implementation
[0016] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0017] Please see Figures 1 to 4 This utility model provides a technical solution: a ring-type coal feeder feeding buffer dust suppression device, including a feed inlet 1, a feed hopper 2 installed at the bottom of the feed inlet 1, a buffer groove 3 opened inside the feed hopper 2, the surface of the buffer groove 3 is wavy, which can decompose the violent vertical impact into multiple slight collisions and frictions, dissipate kinetic energy, reduce coal breakage, reduce dust generation, and facilitate the buffering of coal. A guide plate 4 is installed at the bottom of the feed hopper 2, and a rubber buffer layer 15 is provided on the surface of both the buffer groove 3 and the guide plate 4. Energy is consumed based on the elastic deformation and intramolecular friction of the rubber material. This further mitigates the impact and improves the effect. A water tank 5 is fixedly connected to one side of the hopper 2. The water tank 5 is filled with surfactants, which can significantly reduce the surface tension of the water, allowing water droplets to quickly spread and penetrate on the dust surface, and adhere to and saturate the dust particles. After dust suppression, a moist and somewhat adhesive "protective shell" is formed on the surface of the coal pile. This shell can still maintain a certain integrity after the water evaporates, effectively preventing secondary dust. An upper atomizing nozzle 6 is installed on the top of the water tank 5, and a ring spray frame 7 is fixedly connected to the bottom of the hopper 2 and located on one side of the guide plate 4. Multiple lower atomizing nozzles 8 are installed on the inner side of the annular spray frame 7. A water pump 9 is installed on one side of the water tank 5. The input and output ends of the water pump 9 are respectively fixedly connected to a water inlet pipe 10 and a three-way connector 11. One end of the water inlet pipe 10 extends into the water tank 5. The two ends of the three-way connector 11 are respectively fixedly connected to a first drain pipe 12 and a second drain pipe 13. One end of the first drain pipe 12 and the second drain pipe 13 are respectively fixedly connected to the upper atomizing nozzle 6 and the annular spray frame 7. Through the operation of the water pump 9, water in the water tank 5 is easily drawn out and guided by the first drain pipe 12 and the second drain pipe 13. The upper atomizing nozzle 6 and the annular spray frame 7 spray water mist from the upper atomizing nozzle 6 and multiple lower atomizing nozzles 8 to the upper and lower parts of the feed hopper 2, thus performing double dust suppression on the coal. A feed pipe 16 is installed on the top of the water tank 5 and on one side of the upper atomizing nozzle 6. One end of the feed pipe 16 is threaded with a sealing cap to facilitate the replenishment of water and surfactant in the water tank 5. A vibration motor 14 is installed on the side of the feed hopper 2 away from the water tank 5, which drives the feed hopper 2 to vibrate at a low frequency, which helps to prevent coal blockage in the buffer tank 3. A power supply is provided on one side of the feed hopper 2 to provide power to the water pump 9 and the vibration motor 14.
[0018] In summary, this ring-type coal feeder feeding buffer dust suppression device works as follows: When the coal feeder discharges coal through the feed inlet 1 into the buffer trough 3 inside the feed inlet 1, the coal blocks come into contact with the wavy curve on the surface of the buffer trough 3. The coal blocks roll down along the wavy curve, dissipating the kinetic energy of the coal blocks and buffering them. After the coal blocks are buffered, the bottom guide plate 4 of the feed hopper 2 guides the falling coal blocks. At the same time, the water pump 9 runs, and water mixed with surfactant in the water tank 5 is guided through the first drain pipe 12 and the second drain pipe 13 to the upper atomizing nozzle 6 and the ring spray frame 7, respectively. The water mist is sprayed from the upper atomizing nozzle 6 and multiple lower atomizing nozzles 8 to the top and bottom of the feed hopper 2, respectively. The water mist spreads out and penetrates the dust raised, suppressing dust in the coal before and after buffering. Since a vibration motor 14 is installed on one side of the feed hopper 2, the vibration motor 14 can be started as needed to drive the feed hopper 2 and the guide plate 4 to vibrate at a small frequency.
[0019] All standard parts used in this application can be purchased from the market, and can be customized according to the description and drawings. The specific connection methods of each part adopt conventional methods such as bolts, rivets, and welding that are mature in the prior art. The machinery, parts and equipment all adopt conventional models in the prior art. The installation methods between equipment are also the same as conventional installation methods in the prior art. For example, the two ends of the shaft-shaped parts are connected by bearings, the connection position of the valve component is provided with anti-leakage rubber strips, the outside of the threaded rod or screw is provided with dust cover, and the equipment can be driven by either built-in battery or external power supply. The control method is automatic control by a controller. The control circuit of the controller can be implemented by simple programming by those skilled in the art and is common knowledge in the field. Since this utility model is mainly used to protect mechanical devices, this utility model will not explain the control method and circuit connection in detail. The external controller mentioned in the specification can play a control role for the electrical components mentioned in this article, and the external controller is a conventional known device.
[0020] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A ring-type coal feeder feeding buffer dust suppression device, comprising a feed inlet (1), characterized in that: A feeding hopper (2) is installed at the bottom of the feeding port (1). A buffer groove (3) is provided inside the feeding hopper (2). The surface of the buffer groove (3) is wavy. A guide plate (4) is installed at the bottom of the feeding hopper (2). A water tank (5) is fixedly connected to one side of the feeding hopper (2). An upper atomizing nozzle (6) is installed on the top of the water tank (5). An annular spray frame (7) is fixedly connected to the bottom of the feeding hopper (2) and to one side of the guide plate (4). Multiple lower nozzles are installed on the inner side of the annular spray frame (7). Atomizing nozzle (8), a water pump (9) is installed on one side of the water tank (5), the input end and the output end of the water pump (9) are respectively fixedly connected to a water inlet pipe (10) and a three-way connector (11), one end of the water inlet pipe (10) extends into the water tank (5), the two ends of the three-way connector (11) are respectively fixedly connected to a first drain pipe (12) and a second drain pipe (13), one end of the first drain pipe (12) and the second drain pipe (13) are respectively fixedly connected to the upper atomizing nozzle (6) and the annular spray frame (7).
2. The ring-type coal feeder feeding buffer dust suppression device according to claim 1, characterized in that: The surfaces of the buffer groove (3) and the guide plate (4) are both provided with a rubber buffer layer (15).
3. The ring-type coal feeder feeding buffer dust suppression device according to claim 1, characterized in that: A vibration motor (14) is installed on the side of the hopper (2) away from the water tank (5).
4. The ring-type coal feeder feeding buffer dust suppression device according to claim 3, characterized in that: The hopper (2) is provided with a power source on one side to provide power to the water pump (9) and the vibrating motor (14).
5. The ring-type coal feeder feeding buffer dust suppression device according to claim 1, characterized in that: The water in the water tank (5) contains surfactants.
6. The ring-type coal feeder feeding buffer dust suppression device according to claim 1, characterized in that: A feed pipe (16) is installed on the top of the water tank (5) and on one side of the upper atomizing nozzle (6), and a sealing cap is threaded to one end of the feed pipe (16).
Citation Information
Patent Citations
Blanking device of coal feeder
CN219278646U