Spraying and dust settling device for dry coal preparation
By using a spray dust reduction device that automatically adjusts the spray amount during dry coal preparation, the dust reduction effect of existing devices and insufficient water resource utilization is solved, and efficient dust reduction and water resource conservation are achieved, adaptable Flexible movement in different environments.
Patent Information
- Application Number
- CN202420345516.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-02-26
- Publication Date
- 2024-12-13
- Estimated Expiration
- 2034-02-26
AI Technical Summary
In the existing dry coal preparation process, the dust reduction device has shortcomings in terms of dust reduction effect, water resource utilization and automation, and mobile disassembly is inconvenient, making it difficult to effectively solve the problems of dust pollution and water resource waste.
A device including automatic spray dust reduction device, using PLC controller, infrared dust sensor, solenoid valve, corrugated telescopic hose and ultra-fine filtering system, is designed, and the spray quantity and pump status are automatically adjusted by detecting dust content through infrared dust sensors to realize Intelligent control, and water circulation is formed through ultra-fine filter balls and filter mesh to reduce dependence on external water sources.
It improves dust reduction efficiency, realizes water resource conservation and flexible movement of devices, adapts to different working environments, and enhances the convenience and automation of equipment.
Smart Images
Figure CN222151374U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of coal washing, in particular to a spray dust reduction device for dry coal washing. Background Art
[0002] In the process of dry coal preparation, a large amount of dust will be generated due to operations such as coal crushing, screening and transportation. This dust not only pollutes the environment and affects the air quality in the workplace, but also harms the health of workers. It is very important to take effective dust reduction measures in the process of dry coal preparation. At present, common dust reduction methods include sprinkling water, spraying, etc., but the existing dust reduction devices have deficiencies in dust reduction effect, water resource utilization and degree of automation, as well as problems such as inconvenience in movement and disassembly. Therefore, spray dust reduction devices for dry coal preparation are urgently needed to solve the above problems. Utility Model Content
[0003] The utility model aims to provide a spray dust suppression device for dry coal preparation to solve the problems raised in the above-mentioned background technology.
[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a spray dust reduction device for dry coal preparation, comprising an automatic spray dust reduction device, the automatic spray dust reduction device comprising a dust reduction box, a support frame, a corrugated telescopic hose, an exhaust pipe, a water tank, a PLC controller, a water pump, a sewage pipe, a valve, an annular water pipe, an atomizing nozzle, an infrared dust sensor, an electromagnetic valve, a branch pipe, a conveying pipe, a sliding cover, a sewage collection tank, an ultrafine filter ball and an ultrafine filter net, the top of the support frame is fixedly connected to the bottom end of the dust reduction box, one end of the corrugated telescopic hose is fixedly connected to one end of the dust reduction box, one end of the exhaust pipe is fixedly connected to an end of the dust reduction box away from the corrugated telescopic hose, the water tank is fixedly connected to an end of the dust reduction box close to the exhaust pipe, and the water tank is located below the exhaust pipe, the PLC controller is fixedly installed on one side of the dust reduction box, the water pump is fixedly installed on the side of the dust reduction box close to the PLC controller, and the annular water pipe is evenly fixedly installed on the inner top of the dust reduction box. end, the atomizing nozzle is evenly fixedly installed on the annular water pipe, the infrared dust sensor is fixedly installed on the inner top of the dust reduction box near one end of the corrugated telescopic hose, one end of the delivery pipe is fixedly connected to the output end of the water pump, the middle of the top of the branch pipe is fixedly connected to the end of the delivery pipe away from the water pump, and the bottom end of the branch pipe is evenly provided with branch pipes, the solenoid valve is evenly arranged, and the solenoid valve is fixedly installed on the branch pipe of the branch pipe, the sliding cover is slidably connected to the water tank, one side of the sewage collecting tank is fixedly connected to the bottom end of the dust reduction box, and the other side of the sewage collecting tank is fixedly connected to a side of the water tank close to the dust reduction box, the sewage pipe is fixedly connected to one end of the sewage collecting tank close to the water pump, the valve is fixedly installed on the sewage pipe, the ultrafine filter ball is fixedly installed on the input end of the water pump, and the ultrafine filter ball is located at the inner bottom end of the water tank, and the ultrafine filter net is fixedly installed on a side of the water tank close to the sewage collecting tank.
[0005] Preferably, the inner bottom end of the dust reduction box is designed to be tilted downward at one end close to the dirt collecting tank, and the inner bottom end of the dirt collecting tank is designed to be tilted downward at one end close to the sewage discharge pipe.
[0006] Preferably, universal wheels are evenly arranged at the bottom end of the support frame.
[0007] Preferably, the exhaust pipe is designed to be conical, and the end of the exhaust pipe away from the dust reduction box has a smaller diameter.
[0008] Preferably, the PLC controller is electrically connected to the water pump, the infrared dust sensor and the solenoid valve respectively.
[0009] Preferably, the middle portion of the top end of the annular water pipe is fixedly connected to the bottom end of the branch pipe at the bottom end of the branch pipe.
[0010] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0011] The utility model is programmed through a PLC controller, and can automatically adjust the opening and closing procedures of the solenoid valve and the working state of the water pump according to the dust content detected by the infrared dust sensor, thereby realizing intelligent control and improving the dust reduction efficiency. The design of the corrugated telescopic hose and the universal wheel at the bottom of the support frame enable the dust reduction device to be flexibly moved to the desired position and installed on the exhaust port of the coal preparation device by bolts to meet the needs of different working environments. The water in the dust reduction box can be filtered through an ultra-fine filter and then flow back to the water tank to form a water cycle, thereby reducing dependence on external water sources and saving water resources. BRIEF DESCRIPTION OF THE DRAWINGS
[0012] Figure 1 It is a schematic diagram of the main three-dimensional structure of the utility model;
[0013] Figure 2 This is a schematic diagram of the structure of the automatic spray dust suppression device in the utility model;
[0014] Figure 3 This is a schematic diagram of the structure of the automatic spray dust suppression device in the utility model;
[0015] Figure 4 This is a schematic diagram of the structure of the automatic spray dust suppression device in the utility model;
[0016] Figure 5 This is a schematic diagram of the structure of the automatic spray dust suppression device in the utility model;
[0017] Figure 6 The figure is a schematic diagram of the internal structure of the automatic spray dust suppression device in the utility model.
[0018] In the figure: 1-automatic spray dust suppression device, 2-dust suppression box, 3-support frame, 4-corrugated telescopic hose, 5-exhaust pipe, 6-water tank, 7-PLC controller, 8-water pump, 9-drain pipe, 10-valve, 11-annular water pipe, 12-atomizing nozzle, 13-infrared dust sensor, 14-solenoid valve, 15-branch pipe, 16-delivery pipe, 17-sliding cover, 18-sewage collecting tank, 19-ultrafine filter ball, 20-ultrafine filter net. DETAILED DESCRIPTION
[0019] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0020] See also Figure 1-6 The utility model provides an embodiment: a spray dust reduction device for dry coal preparation, comprising an automatic spray dust reduction device 1, the automatic spray dust reduction device 1 comprising a dust reduction box 2, a support frame 3, a corrugated telescopic hose 4, an exhaust pipe 5, a water tank 6, a PLC controller 7, a water pump 8, a sewage pipe 9, a valve 10, a ring water pipe 11, an atomizing nozzle 12, an infrared dust sensor 13, a solenoid valve 14, a branch pipe 15, a conveying pipe 16, a sliding cover 17, a sewage collection tank 18, an ultrafine filter ball 19 and an ultrafine filter 2 0, the top of the support frame 3 is fixedly connected to the bottom end of the dust reduction box 2, one end of the corrugated telescopic hose 4 is fixedly connected to one end of the dust reduction box 2, one end of the exhaust pipe 5 is fixedly connected to the end of the dust reduction box 2 away from the corrugated telescopic hose 4, the water tank 6 is fixedly connected to the end of the dust reduction box 2 close to the exhaust pipe 5, and the water tank 6 is located below the exhaust pipe 5, the PLC controller 7 is fixedly installed on one side of the dust reduction box 2, the water pump 8 is fixedly installed on the side of the dust reduction box 2 close to the PLC controller 7, the annular water pipe 11 is evenly fixedly installed on the inner top of the dust reduction box 2, the atomizing nozzle 12 is evenly fixedly installed on the annular water pipe 11, the infrared dust sensor 13 is fixedly installed on the inner top of the dust reduction box 2 close to the end of the corrugated telescopic hose 4, one end of the delivery pipe 16 is fixedly connected to the output end of the water pump 8, the middle part of the top of the branch pipe 15 is fixedly connected to the end of the delivery pipe 16 away from the water pump 8, and the bottom end of the branch pipe 15 is evenly provided with branch pipes, the solenoid valve 14 is evenly provided, and the solenoid valve 14 is fixedly installed on the branch pipe of the branch pipe 15 The sliding cover 17 is slidably connected to the water tank 6, one side of the sewage collecting trough 18 is fixedly connected to the bottom end of the dust reduction box 2, and the other side of the sewage collecting trough 18 is fixedly connected to the side of the water tank 6 close to the dust reduction box 2, the sewage pipe 9 is fixedly connected to one end of the sewage collecting trough 18 close to the water pump 8, the valve 10 is fixedly installed on the sewage pipe 9, the ultrafine filter ball 19 is fixedly installed at the input end of the water pump 8, and the ultrafine filter ball 19 is located at the inner bottom end of the water tank 6, and the ultrafine filter mesh 20 is fixedly installed on the side of the water tank 6 close to the sewage collecting trough 18.
[0021] The inner bottom end of the dust reduction box 2 is designed to be tilted downward near the sewage collecting trough 18, and the end of the sewage collecting trough 18 is designed to be tilted downward near the sewage discharge pipe 9. The tilted design facilitates the dust deposited in the dust reduction box 2 to slide into the sewage collecting trough 18, and the tilted bottom end of the sewage collecting trough 18 facilitates the discharge of the deposited dust and sludge.
[0022] Universal wheels are evenly arranged at the bottom end of the support frame 3, which makes it convenient for the staff to move the automatic spray dust reduction device 1 to various scenes and equipment for dust reduction and dust removal, thereby enhancing the convenience of use.
[0023] The exhaust pipe 5 is designed to be conical, and the end of the exhaust pipe 5 away from the dust suppression box 2 has a smaller diameter. The conical design facilitates condensing the water mist in the air into a water flow, thereby reducing the dust content in the exhausted air.
[0024] The PLC controller 7 is electrically connected to the water pump 8 , the infrared dust sensor 13 and the electromagnetic valve 14 respectively, and the amount of spraying can be automatically controlled through the programming setting of the PLC controller 7 .
[0025] The middle of the top end of the annular water pipe 11 is fixedly connected to the bottom end of the branch pipe at the bottom end of the branch pipe 15 , and water is distributed into the annular water pipe 11 through the branch pipe 15 and sprayed through the atomizing nozzle 12 .
[0026] Working principle: During use, the PLC controller 7 is first programmed and set to four levels from low to high according to the dust content detected by the infrared dust sensor 13, which correspond to the opening and closing procedures of the four solenoid valves 14 arranged from the corrugated telescopic hose 4 to the exhaust pipe 5, and then the dust reduction box 2 is pushed to the desired position by external force, and the end of the corrugated telescopic hose 4 away from the dust reduction box 2 is installed on the exhaust port of the coal preparation device by bolts, and then the sliding cover 17 is pushed to slide on the water tank 6 away from the exhaust pipe 5 by external force, and clean water is injected into the water tank 6 after the sliding cover 17 is opened. The water level reaches the bottom of the ultra-fine filter 20, and then the slide cover 17 is pushed by external force to slide close to the exhaust pipe 5 until the end of the slide cover 17 close to the exhaust pipe 5 is close to the exhaust pipe 5. When the coal selection device is working, the exhaust port will transport the air carrying dust to the inside of the dust reduction box 2 through the corrugated telescopic hose 4, and the infrared dust sensor 13 will transmit the detected dust data to the PLC controller 7. The PLC controller 7 starts the water pump 8 and the corresponding number of electromagnetic valves 14 according to the dust content data transmitted by the infrared dust sensor 13. When the dust content reaches the first When the dust content reaches the fourth level, one solenoid valve 14 is opened. When the dust content reaches the fourth level, all the solenoid valves 14 are opened. The input end of the water pump 8 is filtered by the ultrafine filter ball 19 and transported to the delivery pipe 16. Then the delivery pipe 16 transports the water to the branch pipe 15 and distributes it to the annular water pipe 11 through the branch pipe 15. Then, it is sprayed into the air inside the dust suppression box 2 through the atomizing nozzle 12. When the water mist encounters the dust in the air, the dust and the water mist will condense into large particle water droplets and fall to the bottom of the dust suppression box 2. The small particle water droplets are carried by the flowing air to the exhaust pipe 5. Due to the conical design of the exhaust pipe 5, when water droplets hit the inner wall of the exhaust pipe 5, they will adhere to the exhaust pipe 5. When there are too many attached water droplets, they will gather and flow back downward into the dust reduction box 2. When the water level in the dust reduction box 2 is higher than the ultra-fine filter 20, the water in the dust reduction box 2 is filtered through the ultra-fine filter 20 and flows into the water tank 6, thereby forming a water circulation to reduce the injection of water sources. The dust in the water inside the dust reduction box 2 slides into the sewage collecting tank 18 through the inclined bottom end of the dust reduction box 2. The dust sludge deposited in the sewage collecting tank 18 is discharged through the sewage pipe 9 by opening the valve 10 at a regular time.
[0027] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.
Claims
1. A spray dust suppression device for dry coal preparation, comprising an automatic spray dust suppression device (1), characterized in that: The automatic spray dust reduction device (1) comprises a dust reduction box (2), a support frame (3), a corrugated telescopic hose (4), an exhaust pipe (5), a water tank (6), a PLC controller (7), a water pump (8), a sewage pipe (9), a valve (10), a ring-shaped water pipe (11), an atomizing nozzle (12), an infrared dust sensor (13), a solenoid valve (14), a branch pipe (15), a delivery pipe (16), a sliding cover (17), a sewage collection tank (18), an ultrafine filter ball (19) and an ultrafine filter net (20), the top end of the support frame (3) is fixedly connected to the bottom end of the dust reduction box (2), one end of the corrugated telescopic hose (4) is fixedly connected to the One end of the dust reduction box (2), one end of the exhaust pipe (5) is fixedly connected to one end of the dust reduction box (2) away from the corrugated telescopic hose (4), the water tank (6) is fixedly connected to one end of the dust reduction box (2) close to the exhaust pipe (5), and the water tank (6) is located below the exhaust pipe (5), the PLC controller (7) is fixedly installed on one side of the dust reduction box (2), the water pump (8) is fixedly installed on one side of the dust reduction box (2) close to the PLC controller (7), the annular water pipe (11) is evenly fixedly installed on the inner top of the dust reduction box (2), and the atomizing nozzle (12) is evenly fixedly installed On the annular water pipe (11), the infrared dust sensor (13) is fixedly mounted on the inner top of the dust suppression box (2) near one end of the corrugated telescopic hose (4), one end of the delivery pipe (16) is fixedly connected to the output end of the water pump (8), the middle of the top of the branch pipe (15) is fixedly connected to the end of the delivery pipe (16) away from the water pump (8), and the bottom of the branch pipe (15) is evenly provided with branch pipes, the solenoid valves (14) are evenly arranged, and the solenoid valves (14) are fixedly mounted on the branch pipes of the branch pipe (15), and the sliding cover (17) is slidably connected to the water tank (6). One side of the sewage collecting trough (18) is fixedly connected to the bottom end of the dust reduction box (2), and the other side of the sewage collecting trough (18) is fixedly connected to the side of the water tank (6) close to the dust reduction box (2), the sewage discharge pipe (9) is fixedly connected to one end of the sewage collecting trough (18) close to the water pump (8), the valve (10) is fixedly installed on the sewage discharge pipe (9), the ultrafine filter ball (19) is fixedly installed at the input end of the water pump (8), and the ultrafine filter ball (19) is located at the inner bottom end of the water tank (6), and the ultrafine filter net (20) is fixedly installed on the side of the water tank (6) close to the sewage collecting trough (18).
2. The spray dust suppression device for dry coal separation according to claim 1 is characterized in that: The inner bottom end of the dust suppression box (2) is designed to be tilted downwards at one end close to the dirt collecting trough (18), and the inner bottom end of the dirt collecting trough (18) is designed to be tilted downwards at one end close to the sewage discharge pipe (9).
3. The spray dust suppression device for dry coal separation according to claim 1 is characterized in that: Universal wheels are evenly arranged at the bottom end of the support frame (3).
4. The spray dust suppression device for dry coal separation according to claim 1, characterized in that: The exhaust pipe (5) is designed to be conical, and the end of the exhaust pipe (5) away from the dust reduction box (2) has a smaller diameter.
5. The spray dust suppression device for dry coal separation according to claim 1, characterized in that: The PLC controller (7) is respectively electrically connected to the water pump (8), the infrared dust sensor (13) and the solenoid valve (14) by wires.
6. The spray dust suppression device for dry coal separation according to claim 1, characterized in that: The middle part of the top end of the annular water pipe (11) is fixedly connected to the bottom end of the branch pipe at the bottom end of the branch pipe (15).