CN218968229U - Automatic pipe cleaning device for pneumatic conveying of powder materials - Google Patents
Automatic pipe cleaning device for pneumatic conveying of powder materials Download PDFInfo
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- CN218968229U CN218968229U CN202221812580.0U CN202221812580U CN218968229U CN 218968229 U CN218968229 U CN 218968229U CN 202221812580 U CN202221812580 U CN 202221812580U CN 218968229 U CN218968229 U CN 218968229U
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Abstract
The utility model relates to an automatic pipe cleaning device for pneumatic conveying of powder materials, which mainly comprises: the device comprises a conveying fan, a pressure transmitter, feeding equipment, an air source distributor, a first pipe bag valve, a pressurizing controller, a flexible pipeline, a second pipe bag valve, a bag-type dust collector, a receiving bin, an electromagnetic valve and a PLC control system. The starting end and the tail end of the conveying pipeline are respectively provided with a pipe bag valve, and the switching state of the pipe bag valves is controlled to realize the isolation function of the conveying pipeline, the feeding equipment and the receiving equipment. The conveying pipeline is made of flexible materials, and the internal pressure of the conveying pipeline is controlled to realize the deformation of the pipeline so as to peel off adhesive powder on the pipe wall. A pressurizing controller is arranged between the two pipe bag valves and used for introducing compressed gas; an air source distributor is arranged to provide air sources for the pipe bag valve and the pressurizing controller respectively. The PLC control system is provided with an automatic pipe cleaning program, and the pipe cleaning process is automatically completed according to set logic. And the pipe cleaning action procedure is automatically completed in the conveying process, so that the labor is reduced by 100%, and the influence on the production efficiency is reduced by more than 80%.
Description
Technical Field
The utility model belongs to the technical field of powder material pneumatic conveying systems, and particularly relates to an automatic pipe cleaning device for powder material pneumatic conveying.
Background
The long-distance pneumatic conveying is widely used in the industries of building materials, electric power, chemical industry and the like by the special advantage of conveying powder. In the production process of products such as modern chemical industry, lithium battery, food and the like, the powder raw material conveying and batching process is often needed, and the powder raw material conveying is generally carried out by using a negative pressure pneumatic conveying mode, so that the negative pressure pneumatic conveying has the advantages of environmental protection, safety, flexibility and the like and is widely applied compared with the traditional mechanical conveying. The pneumatic powder material conveying system is widely applied in the current industry, and often relates to conveying of powder materials with high viscosity or easy electrostatic adsorption, the powder materials are easy to adhere to the inner wall of a conveying pipeline in the conveying process, and an adhesion layer is thicker and thicker along with the continuous conveying process, so that a conveying channel in the pipeline is smaller and smaller until a pipe is blocked. In the long-distance pneumatic conveying process, pipeline blockage is a common problem, production is seriously delayed once the pipeline is blocked, and the trouble is eliminated, so that the time and the trouble are very long, and the longer the conveying pipeline is, the trouble is eliminated. The problem of clogging of the piping adds significant difficulties to the design, management, operation, maintenance, etc. of the pneumatic conveying system. At present, an economic and effective means for solving the problem is not available, and the problem is mainly cleaned manually by disassembling the pipeline, so that time and labor are wasted, and the production efficiency is also influenced. There is a need to manually clean the pipeline without dismantling, so that the production efficiency can be improved, and a new process method is adopted to realize automatic pipe cleaning, so that the device can be suitable for most of powder with high viscosity or easy electrostatic adsorption. Therefore, if an automatic pipe cleaning device for pneumatic conveying of powder materials can be provided, a pipe cleaning action procedure can be automatically completed in the conveying process, and the influence on production efficiency is reduced, so that the automatic pipe cleaning device has very important significance.
Disclosure of Invention
Aiming at the problems in the prior art, the utility model aims to provide an automatic pipe cleaning device for pneumatic conveying of powder materials, which does not need to disassemble a pipeline for manual cleaning, automatically completes a pipe cleaning action procedure in the conveying process, reduces labor by 100%, and reduces the influence on the production efficiency by more than 80%.
In order to achieve the above purpose, the utility model provides an automatic pipe cleaning device for pneumatic conveying of powder materials, which mainly comprises: the conveying fan, the pressure transmitter, the feeding equipment, the air source distributor, the first pipe bag valve, the pressurizing controller, the flexible pipeline, the second pipe bag valve, the bag dust collector, the receiving bin, the electromagnetic valve and the PLC control system are sequentially connected.
The feeding device is positioned at the middle part of the whole automatic pipe cleaning device and is used for receiving materials of upstream equipment.
The conveying fan is positioned at the leftmost end of the automatic pipe cleaning device, and is mixed with air flow generated by the feeding equipment and then conveyed to the receiving bin through the conveying pipeline.
The pressure transmitter is arranged between the air conveying machine and the feeding equipment and is used for monitoring the change of the pressure in the automatic pipe cleaning device.
In particular, when the pressure transmitter detects an increase in pressure within the delivery conduit, and feeds back this signal to the control system which controls the opening of the air source dispenser so that an ambient air flow enters the material in the delivery conduit which unblocks the pipe.
The air source distributor is arranged between the feeding equipment and the receiving bin and is provided with three pipeline connectors for respectively connecting the first pipe bag valve, the second pipe bag valve and the pressurizing controller and respectively providing air sources for the first pipe bag valve and the pressurizing controller.
Specifically, the first pipe bag valve is arranged at the right end of the feeding equipment, the second pipe bag valve is connected to the right end of the flexible pipeline, and the first pipe bag valve and the second pipe bag valve control the opening and closing states of the first pipe bag valve and the second pipe bag valve so as to realize the isolation function of the flexible pipeline, the feeding equipment and the receiving bin.
Specifically, the pressurizing controller is arranged at the right end of the first pipe bag valve and is used for introducing compressed gas.
The flexible pipeline is arranged between the pressurizing controller and the pipe bag valve II, adopts flexible materials, controls the internal pressure thereof to realize the deformation of the pipeline so as to peel off the adhesive powder of the pipe wall,
in particular, when the pressure in the pipeline is increased to a set value, the flexible pipeline is deformed, and materials adhered to the interior of the pipeline are stripped out along with air flow and enter the receiving bin.
The cloth bag dust remover is positioned above the receiving bin and is used for safely evacuating the tail gas entering the receiving bin after being filtered.
The electromagnetic valves SV1, SV2 and SV3 are respectively arranged above the first pipe bag valve, the pressurizing controller and the second pipe bag valve and are used for controlling the transmission of air flow.
The PLC control system is provided with an automatic pipe cleaning program, and the pipe cleaning process is automatically completed according to set logic.
Compared with the prior art, the utility model has the following technical effects:
1. the utility model discloses powder material pneumatic conveying's automatic pigging device establishes automatic pigging procedure through at PLC control system, and pigging process is accomplished according to setting for the logic is automatic, need not to dismantle the artifical clearance of pipeline, reduces the manpower 100%.
2. The utility model discloses powder material pneumatic conveying's automatic pigging device, automatic completion pigging action procedure in the transportation process reduces more than 80% to production efficiency's influence.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art. In the accompanying drawings:
FIG. 1 is a schematic diagram of an automatic pig device for pneumatic powder material transport.
Wherein: 1. a conveying fan; 2. a pressure transmitter; 3. feeding equipment (rotary valve); 4. an air source distributor; 5. a first tubular sac valve; 6. a pressurization controller; 7. a flexible conduit; 8. a tube bag valve II; 9. a bag-type dust collector; 10. and receiving a storage bin.
Detailed Description
The following will describe in detail an automatic pipe cleaning device for pneumatic conveying of powder materials according to the present utility model with reference to fig. 1.
As shown in figure 1, the automatic pipe cleaning device for pneumatic conveying of powder materials provided by the utility model mainly comprises: the conveying fan 1, the pressure transmitter 2, the feeding equipment (rotary valve) 3, the air source distributor 4, the first pipe bag valve 5, the pressurizing controller 6, the flexible pipeline 7, the second pipe bag valve 8, the bag dust collector 9, the receiving bin 10, the electromagnetic valve and the PLC control system are sequentially connected.
The feeding device (rotary valve) 3 is positioned at the middle part of the whole automatic pipe cleaning device and is used for receiving the materials of upstream devices, and the conveying fan 1 is positioned at the leftmost end of the automatic pipe cleaning device.
The pressure transmitter 2 is arranged between the conveying fan 1 and the feeding equipment (rotary valve) 3, when the pressure transmitter 2 detects the rising of the pressure in the conveying pipeline, the signal is fed back to the control system, and the control system controls the air source distributor 4 to be opened, so that the external air flow enters the conveying pipeline to dredge the blocked materials.
Further, the air source distributor 4 is installed between the feeding device (rotary valve) 3 and the receiving bin 10, and has three pipeline connectors for respectively connecting the first pipe bag valve 5, the second pipe bag valve 8 and the pressurizing controller 6, and respectively providing air sources for the first pipe bag valve and the pressurizing controller 6. The pipe bag valve is arranged at the beginning end and the tail end of the conveying pipeline respectively, and the switching state of the pipe bag valve is controlled to realize the isolation function of the conveying pipeline, the feeding equipment and the receiving equipment. The pressurizing controller 6 is arranged between the first pipe bag valve 5 and the second pipe bag valve 8 and is used for introducing compressed gas.
Further, the flexible pipeline 7 is connected with the pressurizing controller 6 and the pipe bag valve II 8, flexible materials are adopted, the internal pressure of the flexible pipeline is controlled to realize the deformation of the pipeline so as to strip out adhesive powder on the pipe wall, when the pressure in the pipeline rises to a set value, the flexible pipeline 7 deforms, and the material adhered to the interior of the pipeline is stripped out along with air flow and enters the receiving bin.
The bag-type dust collector 9 is positioned above the receiving bin and is used for safely evacuating the tail gas entering the receiving bin after being filtered. Solenoid valves SV1, SV2, SV3 are respectively installed on a first pipe bag valve 5, a pressurizing controller 6 and a second pipe bag valve 8 for controlling the transmission of air flow.
The PLC control system is provided with an automatic pipe cleaning program, and the pipe cleaning process is automatically completed according to set logic.
When the normal conveying process starts, the bag dust collector 9 and the conveying fan 1 are started, materials enter the feeding equipment (rotary valve) 3 from upstream equipment and are mixed with air flow generated by the conveying fan 1, and then are conveyed to the receiving bin 10 through the conveying pipeline, in the process, the first pipe bag valve 5 and the second pipe bag valve 8 are in an open state, and the air flow is not led in by the pressurizing controller 6.
After the system operates normally for a period of time (the time is set according to the characteristics of materials, and the control picture can be adjusted at any time), an automatic pipe cleaning program is started: the rotary valve 3 and the conveying fan 1 are sequentially closed, the solenoid valves SV1 and SV2 control the first pipe bag valve 5 and the second pipe bag valve 8 to be closed, the solenoid valve SV3 is opened, air flow is led into the flexible pipeline 7 through the pressurizing controller 6, when the pressure in the pipeline rises to a set value, the solenoid valve SV2 controls the second pipe bag valve 8 to be opened, the flexible pipeline 7 deforms, materials adhered to the inside of the pipeline are stripped along with the air flow and enter the receiving bin 10, and tail gas entering the bin is safely emptied after being filtered by the bag-type dust collector 9.
The process described above may be considered to be continuous or intermittent multiple times, depending on the nature of the material.
After the execution of the automatic pipe cleaning program is finished, the system automatically shifts to a normal operation mode.
The embodiments of the present utility model have been described in detail above with reference to the accompanying drawings, and the present embodiment is implemented on the premise of the technical solution of the present utility model, and a detailed embodiment and a specific operation process are provided, but the scope of protection of the present utility model is not limited to the following embodiments, and those skilled in the art can modify and moisten the present utility model without changing the spirit and content of the present utility model.
Claims (9)
1. An automatic pipe cleaning device for pneumatic conveying of powder materials, which is characterized by mainly comprising:
the conveying fan is positioned at the leftmost end of the automatic pipe cleaning device;
the feeding device is positioned at the middle part of the whole automatic pipe cleaning device;
the pressure transmitter is arranged between the air conveying feeder and the feeding equipment and is used for monitoring the change of the pressure in the automatic pipe cleaning device;
the air source distributor is arranged between the feeding equipment and the receiving bin and is provided with three pipeline interfaces;
the first pipe bag valve is arranged at the right end of the feeding equipment;
the pressurizing controller is positioned at the right end of the first pipe bag valve and is connected with the air source distributor;
the flexible pipeline is arranged between the pressurizing controller and the pipe bag valve II;
the pipe bag valve II is connected to the right end of the flexible pipeline;
the bag-type dust collector is arranged above the receiving bin;
the receiving bin is positioned at the rightmost end of the whole automatic pipe cleaning device;
solenoid valves SV1, SV2 and SV3 are respectively arranged above the first pipe bag valve, the pressurizing controller and the second pipe bag valve; and the PLC control system is connected with the pressure transmitter.
2. An automatic pig device for pneumatic conveying of powder material as claimed in claim 1, wherein when the pressure transducer detects an increase in pressure in the conveying pipe and feeds back to the PLC control system, the PLC control system controls the gas source dispenser to open so that an ambient air flow enters the conveying pipe to unblock the material in the pipe.
3. An automatic pig device for pneumatic conveying of powder material as claimed in claim 1, wherein the three pipe connections of the air source distributor are respectively connected to the first and second bladder valves and the pressurizing controller to supply air source to the first and second bladder valves and the pressurizing controller, respectively.
4. An automatic pipe cleaning device for pneumatic conveying of powder materials as claimed in claim 1, wherein the first and second pipe bag valves control their on-off states to realize the isolation function of the flexible pipe from the feeding device and the receiving bin.
5. An automatic pig device for pneumatic conveying of powder material as claimed in claim 1, wherein said pressurizing controller is adapted to introduce compressed gas.
6. An automatic pig device for pneumatic conveying of powder material as claimed in claim 1, wherein the flexible tube controls its internal pressure to effect deformation of the tube to strip out adhering powder from the tube wall.
7. An automatic pig device for pneumatic conveying of powder material as claimed in claim 1, wherein the bag-type dust collector is adapted to safely empty the tail gas entering the receiving bin after filtration.
8. An automatic pig device for pneumatic conveying of powder material according to claim 1, characterized in that the solenoid valves SV1, SV2, SV3 are used for controlling the conveying of the air flow.
9. An automatic pipe cleaning device for pneumatic conveying of powder materials as claimed in claim 1, wherein the PLC control system is provided with an automatic pipe cleaning program, and the pipe cleaning process is automatically completed according to set logic.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812580.0U CN218968229U (en) | 2022-07-13 | 2022-07-13 | Automatic pipe cleaning device for pneumatic conveying of powder materials |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221812580.0U CN218968229U (en) | 2022-07-13 | 2022-07-13 | Automatic pipe cleaning device for pneumatic conveying of powder materials |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218968229U true CN218968229U (en) | 2023-05-05 |
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ID=86148094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221812580.0U Active CN218968229U (en) | 2022-07-13 | 2022-07-13 | Automatic pipe cleaning device for pneumatic conveying of powder materials |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218968229U (en) |
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2022
- 2022-07-13 CN CN202221812580.0U patent/CN218968229U/en active Active
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Inventor after: Cao Jianhua Inventor after: Hua Zhongli Inventor before: Gao Dapeng Inventor before: Hua Zhongli |