Dust removal device for feeding bin of concrete mixing plant

Abstract

The utility model discloses a dust removal device for a feed bin of a concrete mixing plant, which comprises the feed bin, a discharge port is arranged at the bottom of the feed bin, one side of the feed bin is communicated with a conveying mechanism, a dust collection pipe is arranged in the feed bin, a dust extractor is arranged on one side of the feed bin, a plurality of dust suction pipes are arranged at the bottom of the dust collection pipe, and the dust suction pipes are communicated with the feed bin. A protective net is arranged at the bottom of the dust suction pipe, the lifting rod sequentially penetrates through the feeding bin and the dust collection pipe in a sliding mode and is connected with a plugging plate, and a water drainage pipe is arranged on one side of the dust collection pipe. Through the cleaning assembly, a large amount of dust is prevented from blocking the protective net to affect dust collection work of the dust collection pipe, the dust collection pipe is washed through the air cylinder, the lifting plate, the lifting rod, the blocking plate, the water pump, the second electromagnetic valve and the drainage pipe, and cleaning work of the inner wall of the dust collection pipe is completed; more dust is prevented from being attached to the inner wall of the dust collection pipe to affect the dust removal work of the dust removal device, and efficient follow-up dust removal work of the dust removal device is guaranteed.

Description

Technical Field

[0001] The utility model relates to a dust removal device for a feed bin of a concrete mixing station. Background Art

[0002] Concrete mixing station is mainly composed of five systems including mixing main machine, material weighing system, material conveying system, material storage system and control system and other ancillary facilities. In the material conveying system, the concrete raw materials are transported to the material feed bin through the conveying mechanism. In the process of pouring the materials into the feed bin, a lot of dust will be generated. Therefore, the existing feed bins are mostly equipped with dust removal devices for dust removal.

[0003] When the existing dust removal device performs dust removal work, it usually uses pipes to absorb and transport the raised dust. However, when a large amount of dust is handled, the dust is easy to adhere to the inner wall of the pipe and block the pipe opening, thereby affecting the dust removal work of the feed bin, reducing the dust removal capacity of the mixing station, and causing environmental pollution.

[0004] Therefore, it is necessary to provide a dust removal device for a concrete mixing station feed bin to solve the above problems. Utility Model Content

[0005] The technical problem to be solved by the utility model is to provide a dust removal device for a feed bin of a concrete mixing station to solve the problems raised in the above-mentioned background technology.

[0006] In order to solve the above problems, the utility model adopts the following technical solutions:

[0007] A dust removal device for a feed bin of a concrete mixing station comprises a feed bin, a discharge port is provided at the bottom of the feed bin, a conveying mechanism is connected to one side of the feed bin, a dust collecting pipe is provided inside the feed bin, a dust extractor is provided on one side of the feed bin, the dust extractor is connected to the dust collecting pipe, a plurality of dust suction pipes are provided at the bottom of the dust collecting pipe, a protective net is provided at the bottom of the dust suction pipe, a cleaning assembly is provided on the protective net, a mounting bracket is provided at the top of the feed bin, a cylinder is provided inside the mounting bracket, a lifting plate is connected to the output shaft of the cylinder, a plurality of lifting rods are provided at the bottom of the lifting plate, the lifting rods slide through the feed bin and the dust collecting pipe in sequence and are connected to a blocking plate, a water pump is provided at the top of the feed bin, the water pump is connected to the dust collecting pipe, and a drain pipe is provided on one side of the dust collecting pipe.

[0008] Preferably, the cleaning assembly includes a screw, a reciprocating thread segment, a limit rod, a motor, a movable plate and a brush. The screw is rotatably installed inside the feed bin. The screw is provided with a plurality of reciprocating thread segments. The limit rod is fixedly arranged inside the feed bin. The movable plate is threadably sleeved with the screw through the reciprocating thread segment. The movable plate is slidably sleeved on the limit rod. A brush in contact with the protective net is arranged on the top of the movable plate. The motor is arranged on one side of the feed bin, and the output shaft of the motor is connected to the screw.

[0009] Preferably, the blocking plate is matched with the top of the dust suction pipe.

[0010] Preferably, a water inlet pipe is provided between the water pump and the dust collecting pipe, and a first solenoid valve is provided on the water inlet pipe.

[0011] Preferably, a second solenoid valve is provided at one end of the drainage pipe close to the dust collecting pipe.

[0012] The beneficial effects of the utility model are as follows: the conveying mechanism transports the concrete material from bottom to top into the feed bin, the dust extractor is started, and the dust suction pipe performs exhaust work, thereby discharging the dust through the dust suction pipe and the dust collecting pipe into the dust extractor, and the protective net is set to prevent smaller particles of sand and gravel in the material from entering the dust collecting pipe through the dust suction pipe, and the protective net is cleaned by the cleaning component to prevent a large amount of dust from clogging the protective net and affecting the dust collection work of the dust collecting pipe, and when it is necessary to clean the dust attached to the inner wall of the dust collecting pipe, the dust collecting pipe is flushed through the setting of the cylinder, the lifting plate, the lifting rod, the sealing plate, the water pump, the second solenoid valve, and the drain pipe, and the flushing water flow together with the dust can be discharged from the feed bin through the drain pipe, thereby completing the cleaning work of the inner wall of the dust collecting pipe to prevent a lot of dust from adhering to the inner wall of the dust collecting pipe and affecting the dust removal work of the dust removal device. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below, but this does not limit the protection scope of the utility model.

[0014] Figure 1 A front sectional view of the feed bin provided by the utility model;

[0015] Figure 2 The utility model provides Figure 1 A partial structural diagram of

[0016] Figure 3 This is a structural schematic diagram of the cleaning component provided by the utility model.

[0017] Among them, 1. feed bin; 2. discharge port; 3. conveying mechanism; 4. dust collecting pipe; 5. dust extractor; 6. dust suction pipe; 7. protective net; 8. cleaning component; 81. screw rod; 82. reciprocating thread section; 83. limit rod; 84. motor; 85. moving plate; 86. brush; 9. mounting bracket; 10. cylinder; 11. lifting plate; 12. lifting rod; 13. blocking plate; 14. water pump; 15. drain pipe; 16. water inlet pipe; 17. first solenoid valve; 18. second solenoid valve. DETAILED DESCRIPTION

[0018] See also Figures 1 to 3 A dust removal device for a feed bin of a concrete mixing station shown in the figure comprises a feed bin 1, a discharge port 2 is provided at the bottom of the feed bin 1, a conveying mechanism 3 is connected to one side of the feed bin 1, a dust collecting pipe 4 is provided inside the feed bin 1, a dust extractor 5 is provided on one side of the feed bin 1, the dust extractor 5 is connected to the dust collecting pipe 4, a plurality of dust suction pipes 6 are provided at the bottom of the dust collecting pipe 4, a protective net 7 is provided at the bottom of the dust suction pipe 6, a cleaning assembly 8 is provided on the protective net 7, a mounting bracket 9 is provided at the top of the feed bin 1, a cylinder 10 is provided inside the mounting bracket 9, a lifting plate 11 is connected to the output shaft of the cylinder 10, a plurality of lifting rods 12 are provided at the bottom of the lifting plate 11, the lifting rods 12 slide through the feed bin 1 and the dust collecting pipe 4 in sequence and are connected to a blocking plate 13, a water pump 14 is provided at the top of the feed bin 1, the water pump 14 is connected to the dust collecting pipe 4, and a drain pipe 15 is provided on one side of the dust collecting pipe 4.

[0019] Furthermore, the cleaning assembly 8 includes a screw 81, a reciprocating thread segment 82, a limiting rod 83, a motor 84, a movable plate 85 and a brush 86. The screw 81 is rotatably installed inside the feed bin 1. A plurality of reciprocating thread segments 82 are arranged on the screw 81. The limiting rod 83 is fixedly arranged inside the feed bin 1. The movable plate 85 is threadedly sleeved with the screw 81 through the reciprocating thread segment 82. The movable plate 85 is slidably sleeved on the limiting rod 83. A brush 86 in contact with the protective net 7 is arranged on the top of the movable plate 85. The motor 84 is arranged on one side of the feed bin 1. The output shaft of the motor 84 is connected to the screw 81.

[0020] The starting motor 84 drives the screw rod 81 to rotate, and through the setting of the reciprocating threaded section 82, it drives the movable plate 85 to move left and right for a certain length, thereby driving the brush 86 to move accordingly, so as to clean the protective net 7 to prevent a large amount of dust from clogging the protective net 7 and affecting the dust collection work of the dust collection pipe 6.

[0021] Furthermore, the blocking plate 13 is matched with the top of the dust suction pipe 6 .

[0022] The blocking plate 13 is configured to fit the top of the dust suction pipe 6 so that the blocking plate 13 can seal the dust suction pipe 6 after moving downward.

[0023] Furthermore, a water inlet pipe 16 is provided between the water pump 14 and the dust collecting pipe 4 , and a first solenoid valve 17 is provided on the water inlet pipe 16 .

[0024] The first solenoid valve 17 is provided to control the start and stop state of the water inlet pipe 16 . When the dust extractor 5 is started, the first solenoid valve 17 is in a closed state to prevent dust inside the dust collecting pipe 4 from entering the water pump 14 through the water inlet pipe 16 .

[0025] Furthermore, a second solenoid valve 18 is provided at one end of the drain pipe 15 close to the dust collecting pipe 4 .

[0026] The second solenoid valve 18 is used to control the start and stop state of the drain pipe 15 .

[0027] When the utility model is used, the conveying mechanism 3 transports the concrete material from bottom to top into the feed bin 1, the dust extractor 5 is started, and the dust suction pipe 6 performs exhaust work, so that the dust is discharged into the dust extractor 5 through the dust suction pipe 6 and the dust collecting pipe 4, and the protective net 7 is set to prevent the smaller particles of sand and gravel in the material from entering the dust collecting pipe 4 through the dust suction pipe 6, and the motor 84 is started to drive the screw rod 81 to rotate, and the reciprocating thread section 82 is set to drive the moving plate 85 to move left and right for a certain length, thereby driving the brush 86 to move accordingly, so as to clean the protective net 7, and prevent a large amount of dust from clogging the protective net 7 and affecting the dust suction of the dust suction pipe 6 When it is necessary to clean the dust attached to the inner wall of the dust collecting pipe 4, start the cylinder 10 to extend its output shaft, thereby driving the lifting plate 11 and the lifting rod 12 at the bottom thereof to move downward, so that the blocking plate 13 moves downward and blocks the top opening of the dust suction pipe 6, connect the water pump 14 to the external water source, start the water pump 14, and the external water flow enters the dust collecting pipe 4. Open the second solenoid valve 18 to flush the dust collecting pipe 4. The flushing water flow and the dust can be discharged from the feed bin 1 through the drain pipe 15, thereby completing the cleaning of the inner wall of the dust collecting pipe 4 to avoid too much dust adhering to the inner wall of the dust collecting pipe 4 and affecting the dust removal work of the dust removal device.

[0028] The above are only specific implementations of the utility model, but the protection scope of the utility model is not limited thereto. Any changes or substitutions that are not conceived through creative work should be included in the protection scope of the utility model. Therefore, the protection scope of the utility model should be based on the protection scope defined in the claims.

Claims

1. A dust removal device for a concrete mixing station feed bin, characterized in that: It includes a feed bin, a discharge port is provided at the bottom of the feed bin, a conveying mechanism is connected to one side of the feed bin, a dust collecting pipe is provided inside the feed bin, a dust extractor is provided on one side of the feed bin, the dust extractor is connected to the dust collecting pipe, a plurality of dust suction pipes are provided at the bottom of the dust collecting pipe, a protective net is provided at the bottom of the dust suction pipe, a cleaning assembly is provided on the protective net, a mounting bracket is provided at the top of the feed bin, a cylinder is provided inside the mounting bracket, a lifting plate is connected to the cylinder output shaft, a plurality of lifting rods are provided at the bottom of the lifting plate, the lifting rods slide through the feed bin and the dust collecting pipe in turn and are connected to a blocking plate, a water pump is provided on the top of the feed bin, the water pump is connected to the dust collecting pipe, and a drain pipe is provided on one side of the dust collecting pipe.

2. The dust removal device for a concrete mixing station feed bin according to claim 1, characterized in that: The cleaning assembly includes a screw, a reciprocating thread section, a limit rod, a motor, a movable plate and a brush. The screw is rotatably installed inside the feed bin. The screw is provided with a plurality of reciprocating thread sections. The limit rod is fixedly arranged inside the feed bin. The movable plate is threadably sleeved with the screw through the reciprocating thread section. The movable plate is slidably sleeved on the limit rod. A brush in contact with the protective net is arranged on the top of the movable plate. The motor is arranged on one side of the feed bin, and the output shaft of the motor is connected to the screw.

3. The dust removal device for a concrete mixing station feed bin according to claim 1, characterized in that: The blocking plate is matched with the top of the dust suction pipe.

4. The dust removal device for a concrete mixing station feed bin according to claim 1, characterized in that: A water inlet pipe is arranged between the water pump and the dust collecting pipe, and a first solenoid valve is arranged on the water inlet pipe.

5. The dust removal device for a concrete mixing station feed bin according to claim 4, characterized in that: A second solenoid valve is arranged at one end of the drainage pipe close to the dust collecting pipe.

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