Automatic control system for dust removal of finished product sieve
By designing the finished screen dust removal automatic control system, using a multi-layer filter bag structure and pulse air pressure cleaning mechanism, the problem of water spray dust removal in the existing technology consumes a large amount of water resources and poor dust removal effect is achieved, and efficient and water-saving dust removal effect is achieved.
Patent Information
- Application Number
- CN202421516525.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-29
- Publication Date
- 2025-05-16
- Estimated Expiration
- 2034-06-29
AI Technical Summary
In the prior art, water spraying method dust removal consumes a large amount of water resources, the dust removal effect is limited, and long-term use will cause the device to be blocked and affect the dust removal effect.
An automatic control system for dust removal of finished screening is designed, using a multi-layer filter bag structure and a pulse air pressure cleaning mechanism, adjusting the gas discharge rate through a fan and a speedometer, and shaking the filter bag using a vibration frame and spacer structure to ensure effective filtration of dust.
It has achieved water saving and improved dust removal effect without affecting dust removal rate, effectively solving the problem of device blockage and ensuring the long-term stable operation of the system.
Smart Images
Figure CN222871619U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of finished product screening dust removal, in particular to an automatic control system for finished product screening dust removal. Background Art
[0002] The finished product screen is filled with stone, which produces a large amount of dust when it collides with it. The device consists of a closed system, an intake fan, a negative pressure ventilation duct, a dust removal tower, a water spray system, and a sewage discharge system. Negative pressure is created inside the finished product screen, and an intake fan is installed at the other end of the finished product screen. The dust-laden gas is sent to the dust removal high pressure through the negative pressure ventilation duct. Water spraying is used to remove dust at the top of the tower and sewage is discharged at the bottom of the tower. The sewage flows to the bottom of the pond and settles. The whole process is automatically controlled by the PLC module to control the fan, solenoid valve, motor, etc.
[0003] In the prior art, the inventors found that there are at least the following problems in the prior art:
[0004] When filtering dust, using water spray to remove dust consumes a lot of water resources, and the dust removal effect is limited. In addition, during the filtering process, due to long-term use, the device will be blocked, affecting the dust removal effect. Utility Model Content
[0005] In view of the deficiencies in the prior art, the utility model provides an automatic control system for dust removal of finished product screening, which has the advantages of saving water resources and having a good dust removal effect while not affecting the dust removal rate, thereby solving the problems raised in the background technology.
[0006] The utility model provides the following technical solutions: an automatic control system for finished product screening and dust removal, comprising a dust removal box, the surface of the dust removal box is fixedly connected with a stand, the bottom end of the dust removal box is fixedly connected with a collection bucket, the bottom end of the collection bucket is fixedly installed with a discharge port, the surface of the dust removal box is fixedly connected with an input interface, the inner wall of the dust removal box is fixedly connected with a partition, the bottom end of the partition is fixedly connected with a filter bag, the top end of the dust removal box is fixedly installed with a fan, the top end of the dust removal box is fixedly connected with a speedometer, and the speedometer is connected to the fan.
[0007] Preferably, there are several filter bags, which correspond one-to-one to the slots on the partition.
[0008] Preferably, a pipeline is provided above the partition, a side wall of the pipeline is fixedly connected to the inner wall of the dust removal box, a pulse generator is fixedly connected to the surface of the dust removal box, and the pulse generator is connected to the pipeline.
[0009] Preferably, a plurality of nozzles are fixedly connected to the bottom end of the pipeline, and the positions of the nozzles correspond to the filter bags.
[0010] Preferably, a vibration frame is provided inside the dust removal box, and sliding rods are fixedly connected to both ends of the vibration frame. The sliding rods are slidably plugged into the side walls of the dust removal box, and a plurality of partition rods are fixedly connected to the surface of the vibration frame, and the plurality of partition rods separate a plurality of filter bags.
[0011] Preferably, a spring is movably sleeved on the surface of one of the sliding rods, one end of the sliding rod is fixedly connected to a support plate, one end of the spring abuts against the surface of the dust removal box, and the other end of the spring abuts against the side of the support plate, a mounting frame is fixedly connected to the surface of one side of the dust removal box, a motor is fixedly connected to the inner wall of the mounting frame, and an elliptical plate is fixedly connected to the output shaft of the motor, and the side of the elliptical plate abuts against the surface of the support plate.
[0012] Preferably, a concentration meter is fixedly connected to the surface of the dust removal box, and a detection head of the concentration meter is located inside the dust removal box.
[0013] Compared with the prior art, the utility model has the following beneficial effects:
[0014] 1. Through the input interface connected to the discharge end of the finished product screen, the gas will be mixed with dust and discharged into the interior of the dust removal box, where the dust will be filtered by the filter bag, and the remaining clean gas will pass through the filter bag from the partition, so that the clean gas is discharged into the inner top of the dust removal box. The concentration meter can measure the concentration of the clean gas filtered inside the dust removal box. When it reaches the standard, start the fan to form a negative pressure above the partition, so that the fan is discharged. At the same time, the speed of the fan can be adjusted by the speed meter, so as to adjust the discharge rate of the clean gas.
[0015] 2. By setting up a pulse generator and a pipeline, when the device is used for a long time, dust will adhere to the surface of the filter bag. At this time, the pulse air pressure in the pulse generator will be discharged from the nozzle through the pipeline, and the position of the nozzle corresponds to the filter bag. The pulse air pressure will impact the inside of the filter bag, so that the dust adhered to the surface of the filter bag can be impacted and separated from the inside of the filter bag. When the motor is started, since the partition rod is separated from the filter bag, the elastic force of the spring is applied to the abutment plate, so that one side surface of the abutment plate fits with the side of the elliptical plate. During the rotation of the elliptical plate, the vibration frame will reciprocate with a high amplitude inside the dust removal box, so that the partition rod drives the filter bag to shake, and the dust adhered to the surface of the filter bag can be shaken off, thereby effectively ensuring the filtering effect of the filter bag. BRIEF DESCRIPTION OF THE DRAWINGS
[0016] Figure 1 This is a schematic diagram of the overall structure of the utility model device;
[0017] Figure 2 This is a schematic diagram of the cross-sectional structure of the dust removal box of the utility model;
[0018] Figure 3 This is a schematic diagram of the vibration frame structure of the utility model;
[0019] Figure 4 This is a schematic diagram of the structure of the dust removal system of the utility model.
[0020] In the figure: 1. dust removal box; 2. input interface; 3. collection bucket; 4. discharge outlet; 5. stand; 6. partition; 7. filter bag; 8. pipeline; 9. nozzle; 10. pulse generator; 11. concentration meter; 12. fan; 13. speed meter; 14. vibration frame; 15. partition rod; 16. sliding rod; 17. spring; 18. stop plate; 19. motor; 20. elliptical plate; 21. installation frame. DETAILED DESCRIPTION
[0021] 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.
[0022] Reference Figure 1-3 A finished product screening dust removal automatic control system includes a dust removal box 1, a stand 5 is fixedly connected to the surface of the dust removal box 1, a collecting bucket 3 is fixedly connected to the bottom end of the dust removal box 1, a discharge port 4 is fixedly installed at the bottom end of the collecting bucket 3, an input interface 2 is fixedly connected to the surface of the dust removal box 1, a partition 6 is fixedly connected to the inner wall of the dust removal box 1, a filter bag 7 is fixedly connected to the bottom end of the partition 6, a fan 12 is fixedly installed at the top of the dust removal box 1, and a speedometer 13 is fixedly connected to the top of the dust removal box 1, and the speedometer 13 is connected to the fan 12.
[0023] Among them, the number of filter bags 7 is several, and they correspond to the slots on the partition 6 one by one. The gas will be mixed with dust and discharged into the interior of the dust removal box 1, wherein the dust will be filtered by the filter bags 7, and the remaining clean gas will pass through the filter bags 7 from the partition 6, so that the clean gas is discharged into the inner top of the dust removal box 1, and the concentration meter 11 can measure the concentration of the clean gas filtered inside the dust removal box 1. After it meets the standard, the fan 12 is started to form a negative pressure above the partition 6, so that it is discharged from the fan 12.
[0024] Among them, a pipeline 8 is provided above the partition 6, and the side wall of the pipeline 8 is fixedly connected to the inner wall of the dust removal box 1. A pulse generator 10 is fixedly connected to the surface of the dust removal box 1, and the pulse generator 10 is connected to the pipeline 8. A plurality of nozzles 9 are fixedly connected to the bottom end of the pipeline 8, and the nozzles 9 correspond to the positions of the filter bags 7. At this time, the pulse air pressure in the pulse generator 10 will be discharged from the nozzles 9 through the pipeline 8, and the nozzles 9 correspond to the positions of the filter bags 7. The pulse air pressure will impact the interior of the filter bags 7, thereby impacting and separating the dust adhered to the surface of the filter bags 7 from the interior of the filter bags 7.
[0025] Among them, a vibration frame 14 is arranged inside the dust removal box 1, and both ends of the vibration frame 14 are fixedly connected with slide bars 16, and the slide bars 16 are slidably plugged with the side walls of the dust removal box 1, and the surface of the vibration frame 14 is fixedly connected with a plurality of partition bars 15, and the plurality of partition bars 15 separate a plurality of filter bags 7, and a spring 17 is movably sleeved on the surface of one of the slide bars 16, and one end of the slide bar 16 is fixedly connected with a back plate 18, and one end of the spring 17 abuts against the surface of the dust removal box 1, and the other end of the spring 17 abuts against the side of the back plate 18, and one side surface of the dust removal box 1 is fixedly connected with a mounting frame 21. The inner wall of the mounting frame 21 is fixedly connected with a motor 19, and the output shaft of the motor 19 is fixedly connected with an elliptical plate 20. The side surface of the elliptical plate 20 abuts against the surface of the abutment plate 18. When the motor 19 is started, since the partition rod 15 is separated from the filter bag 7, the elastic force of the spring 17 is applied to the abutment plate 18, so that one side surface of the abutment plate 18 fits against the side surface of the elliptical plate 20. During the rotation of the elliptical plate 20, the vibration frame 14 will reciprocate with a high amplitude inside the dust removal box 1, so that the partition rod 15 drives the filter bag 7 to shake, and the dust adhered to the surface of the filter bag 7 can be shaken off.
[0026] A concentration meter 11 is fixedly connected to the surface of the dust removal box 1 , and a detection head of the concentration meter 11 is located inside the dust removal box 1 .
[0027] Reference Figure 4 The host computer inputs the control command, and then uses the contactor, speed meter, flow meter, pressure gauge, water level meter and concentration meter as field sensors. The data detected by the field sensors is transmitted to the PLC console. The PLC console controls the fan to start through the inverter, controls the booster pump to start through the contactor through the intermediate relay, controls the pipeline nozzle to open through the solenoid valve, and uses the warning light and buzzer as abnormal alarm prompts.
[0028] Working principle: when the device is in use, it is connected to the discharge end of the finished product screen through the input interface 2, and the gas will be mixed with the dust and discharged into the interior of the dust removal box 1, wherein the dust will be filtered by the filter bag 7, and the remaining clean gas will pass through the filter bag 7 through the partition 6, so that the clean gas is discharged into the inner top of the dust removal box 1. The concentration meter 11 can measure the concentration of the clean gas filtered inside the dust removal box 1. After it reaches the standard, the fan 12 is started to form a negative pressure above the partition 6, so that the fan 12 is discharged. At the same time, the speed of the fan 12 can be adjusted by the speed meter 13, so as to adjust the discharge rate of the clean gas. When the device is used for a long time, the dust will The pulse air pressure in the pulse generator 10 will be discharged from the nozzle 9 through the pipe 8, and the position of the nozzle 9 corresponds to the filter bag 7. The pulse air pressure will impact the inside of the filter bag 7, so that the dust adhering to the surface of the filter bag 7 can be impacted and separated from the inside of the filter bag 7. When the motor 19 is started, the partition rod 15 is separated from the filter bag 7, and the elastic force of the spring 17 is applied to the abutment plate 18, so that one side surface of the abutment plate 18 fits with the side surface of the elliptical plate 20. During the rotation of the elliptical plate 20, the vibration frame 14 will reciprocate with a high amplitude inside the dust removal box 1, so that the partition rod 15 drives the filter bag 7 to shake, and the dust adhering to the surface of the filter bag 7 can be shaken off.
[0029] In the description, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, it can be a fixed connection, a detachable connection, or an integral connection; it can be directly connected, or indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present utility model can be understood according to specific circumstances. In addition, in the description of the present utility model, unless otherwise specified, the meaning of "multiple" is two or more.
[0030] 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 finished product screening dust removal automatic control system, characterized in that: The invention comprises a dust removal box (1), the surface of the dust removal box (1) is fixedly connected to a stand (5), the bottom end of the dust removal box (1) is fixedly connected to a collection bucket (3), the bottom end of the collection bucket (3) is fixedly installed with an exhaust port (4), the surface of the dust removal box (1) is fixedly connected to an input interface (2), the inner wall of the dust removal box (1) is fixedly connected to a partition (6), the bottom end of the partition (6) is fixedly connected to a filter bag (7), the top end of the dust removal box (1) is fixedly installed with a fan (12), the top end of the dust removal box (1) is fixedly connected to a speedometer (13), and the speedometer (13) is connected to the fan (12).
2. According to claim 1, a finished product screening dust removal automatic control system is characterized in that: The number of the filter bags (7) is several, and they correspond one to one with the slots on the partition (6).
3. The automatic control system for dust removal of finished product screening according to claim 1 is characterized in that: A pipeline (8) is provided above the partition (6), the side wall of the pipeline (8) is fixedly connected to the inner wall of the dust removal box (1), and a pulse generator (10) is fixedly connected to the surface of the dust removal box (1), and the pulse generator (10) is connected to the pipeline (8).
4. The automatic control system for dust removal of finished product screening according to claim 3 is characterized in that: A plurality of nozzles (9) are fixedly connected to the bottom end of the pipeline (8), and the positions of the nozzles (9) correspond to those of the filter bags (7).
5. The finished product screening dust removal automatic control system according to claim 1 is characterized by: A vibration frame (14) is provided inside the dust removal box (1), and both ends of the vibration frame (14) are fixedly connected with sliding rods (16), and the sliding rods (16) are slidably plugged into the side walls of the dust removal box (1), and a plurality of partition rods (15) are fixedly connected to the surface of the vibration frame (14), and the plurality of partition rods (15) separate a plurality of filter bags (7).
6. The automatic control system for dust removal of finished product screening according to claim 5 is characterized in that: A spring (17) is movably sleeved on the surface of one of the slide bars (16); one end of the slide bar (16) is fixedly connected to a butt plate (18); one end of the spring (17) abuts against the surface of the dust removal box (1); the other end of the spring (17) abuts against the side surface of the butt plate (18); a mounting frame (21) is fixedly connected to the surface of one side of the dust removal box (1); a motor (19) is fixedly connected to the inner wall of the mounting frame (21); an output shaft of the motor (19) is fixedly connected to an elliptical plate (20); the side surface of the elliptical plate (20) abuts against the surface of the butt plate (18).
7. The automatic control system for dust removal of finished product screening according to claim 1 is characterized in that: A concentration meter (11) is fixedly connected to the surface of the dust removal box (1), and a detection head of the concentration meter (11) is located inside the dust removal box (1).