Automatic diagnosis and cleaning device for accumulated dust of raw material point dust removal pipeline
By combining a signal transmitter and receiver with an air cannon assembly and a dust removal fan, the system achieves automatic diagnosis and efficient cleaning of dust accumulation in the raw material point dust removal pipelines. This solves the problems of ash caking in the pipelines and low efficiency of manual inspections, thus improving the dust removal effect.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- WUXI DONGFANG ENVIRONMENTAL ENG DESIGN INST CO LTD
- Filing Date
- 2025-08-05
- Publication Date
- 2026-05-19
AI Technical Summary
Due to the high dust concentration and humidity in the dust removal pipelines at the raw material point, it is easy for hardened dust to form at bends and diameter changes. In addition, manual inspection is inefficient and cannot detect the internal dust accumulation in real time, which affects the dust removal effect.
The system uses a signal transmitter and a signal receiver to detect the ash accumulation inside the pipe in real time. When the ash layer reaches a critical value, it is cleaned by blowing air through an air cannon assembly. Combined with a dust collector fan, the dust collector is drawn into the dust collector. The depth of the signal transmitter is adjusted using an adjustment component to adjust the detection range.
It enables automatic diagnosis and efficient cleaning of dust accumulation in the dust removal pipelines at raw material points, avoiding caking and improving dust removal efficiency and flexibility.
Smart Images

Figure CN224253733U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the technical field of pipeline cleaning devices, specifically to an automatic diagnostic and cleaning device for dust accumulation in raw material point dust removal pipelines. Background Technology
[0002] Pipeline cleaning is a major challenge in dust removal. Accumulated dust in pipelines not only affects load-bearing safety but also significantly impacts dust removal efficiency. This is especially true in raw material dust removal, where numerous dust removal branch pipes, long distances, and narrow pipes create a breeding ground for dust accumulation. Currently, we face the following two problems: 1) Due to high dust concentration and humidity, raw material dust removal pipelines are prone to forming hardened dust at bends and diameter changes; 2) Manual inspections are inefficient and cannot provide real-time monitoring of internal dust accumulation, resulting in a high dust layer inside the pipeline, which hinders dust removal. Summary of the Invention
[0003] The technical problem to be solved by this utility model is to provide an automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines, which can sense the dust accumulation inside the pipeline in real time and clean the dust layer in a timely manner.
[0004] To solve the above-mentioned technical problems, the technical solution adopted by this utility model is as follows.
[0005] An automatic diagnostic and cleaning device for dust accumulation in a raw material point dust removal pipeline includes a signal transmitter installed at the lower part of the dust removal pipeline in the section prone to dust accumulation, and a signal receiver installed at the upper part of the dust removal pipeline corresponding to the signal transmitter. The signal transmitter and signal receiver are arranged radially towards each other. An air cannon assembly is also installed below the dust removal pipeline on one side of the signal transmitter to blow away the dust layer inside the dust removal pipeline. The dust removal pipeline is connected to a dust removal fan, and the dust removal fan is connected to a dust collector. The output terminals of the signal transmitter and signal receiver are respectively connected to the input terminal of a control system, and the controlled terminals of the air cannon assembly, dust removal fan, and dust collector are respectively connected to the output terminal of the control system.
[0006] The aforementioned automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines includes an air cannon assembly that is connected to the dust removal pipeline. The air cannon is connected to an air storage tank via a compressed air pipeline. A ball valve is installed on the compressed air pipeline. The controlled ends of the air cannon and the ball valve are respectively connected to the output end of the control system.
[0007] The aforementioned automatic diagnostic and cleaning device for dust accumulation in raw material point dust removal pipes includes a signal transmitter connected to an adjustment component for adjusting the radial depth of the signal transmitter extending into the dust removal pipe.
[0008] The aforementioned automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines includes an adjustment component comprising a lead screw connected to a signal transmitter, a nut seat threadedly connected to the lead screw on the dust removal pipeline, the lead screw being connected to a rotary motor, and the controlled end of the rotary motor being connected to the output end of the control system.
[0009] The technological advancements achieved by this utility model are as follows, due to the adoption of the above technical solutions.
[0010] This utility model provides an automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines. It uses a signal transmitter and receiver to assess the dust accumulation inside the pipeline, enabling timely cleaning of the dust layer to prevent caking. When the dust layer reaches a critical value, an air cannon assembly blows the dust away, allowing the dust collector fan to draw the dispersed dust into the dust collector for efficient removal. This achieves automatic cleaning after dust accumulation. Furthermore, the device allows for adjustment of the depth of the signal transmitter inside the pipeline, thereby adjusting the detection range of the dust layer and the critical value for blowing after dust accumulation, offering high flexibility. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of the specific structure of this utility model.
[0012] The components include: 1. Dust removal duct, 2. Signal transmitter, 3. Adjustment component, 4. Signal receiver, 5. Air cannon, 6. Ball valve, 7. Compressed air duct, and 8. Air storage tank. Detailed Implementation
[0013] The present invention will now be described in further detail with reference to the accompanying drawings and specific embodiments.
[0014] An automatic diagnostic and cleaning device for dust accumulation in raw material collection pipes, such as Figure 1 As shown, the system includes a signal transmitter 2 located inside the lower part of the dust removal duct 1 in the section prone to dust accumulation, and a signal receiver 4 located inside the upper part of the dust removal duct 1, corresponding to the signal transmitter 2. The signal transmitter 2 and the signal receiver 4 are arranged radially towards each other. The signal transmitter 2 is connected to an adjustment component 3, which is used to adjust the radial depth of the signal transmitter extending into the dust removal duct, thereby adjusting the detection range of the dust accumulation height. An air cannon component is also provided below the dust removal duct 1 on one side of the signal transmitter 2 to blow away the accumulated dust into the dust removal duct 1. The dust removal duct 1 is connected to a dust removal fan, and the dust removal fan is connected to a dust collector, which is used to suck the dust floating in the dust removal duct into the dust collector after the dust accumulation layer is blown away to complete the dust removal.
[0015] The outputs of signal transmitter 2 and signal receiver 4 are connected to the input of the control system, and the controlled ends of air cannon assembly, dust removal fan and dust collector are connected to the output of the control system.
[0016] The air cannon assembly includes an air cannon 5 connected to the dust removal duct 1. The air cannon 5 is connected to the air storage tank 8 via a compressed air duct 7. A ball valve 6 is installed on the compressed air duct 7. The controlled ends of the air cannon 5 and the ball valve 6 are respectively connected to the output end of the control system.
[0017] When there is no dust accumulation inside the dust removal duct or the dust accumulation value is below the critical value, the signal receiver installed at the top of the duct can normally receive the signal emitted by the signal transmitter; when the dust accumulation in the duct exceeds the critical value, the signal transmitter will be covered by the dust layer, and the emitted signal cannot reach the signal receiver. The signal receiver sends the signal to the control system, at which point the system determines that the duct is dusty.
[0018] Then the control system activates the air cannon to quickly introduce compressed air into the dust removal duct. The instantaneous release of compressed air generates a supersonic impact airflow, forming a shock wave that destroys the dust accumulation layer inside the dust removal duct, causing the dust to explode and fly away. At the same time, the dust removal fan is activated, which draws the dust in the dust removal duct into the dust collector for dust removal.
[0019] After the air cannon pressure is released, the signal receiver is checked again to see if it can receive the signal. If it can receive the signal, the system will not start the air cannon assembly for dust removal. Otherwise, if it still cannot receive the signal, the air cannon assembly will be started again in conjunction with the dust removal fan for dust removal until the signal receiver can receive the signal.
[0020] The adjustment component 3 can be a conventional lifting structure, such as a lead screw lifting component, a gear and rack mechanism, a worm gear mechanism, etc. In this embodiment, the adjustment component 3 includes a lead screw connected to the signal transmitter 2, a lead screw nut that is threadedly connected to the lead screw on the dust removal pipe, the lead screw being connected to a rotary motor, and the controlled end of the rotary motor being connected to the output end of the control system.
[0021] In other embodiments, the lead screw can also be adjusted manually, such as by providing an adjusting handwheel at the end of the lead screw extending out of the dust collection pipe.
[0022] To ensure the airtightness of the dust collection pipeline, a sealed connection is made between the lead screw and the dust collection pipeline.
[0023] For dust removal systems with long pipelines, there are many points where dust easily accumulates. Several sets of diagnostic and cleaning devices can be installed on the pipeline to be responsible for cleaning the entire section of the dust removal pipeline, thereby improving cleaning efficiency.
[0024] This utility model provides an automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines. It uses a signal transmitter and receiver to assess the dust accumulation inside the pipeline, enabling timely cleaning of the dust layer to prevent caking. When the dust layer reaches a critical value, an air cannon assembly blows the dust away, allowing the dust collector fan to draw the dispersed dust into the dust collector for efficient removal. This achieves automatic cleaning after dust accumulation. Furthermore, the device allows for adjustment of the depth of the signal transmitter inside the pipeline, thereby adjusting the detection range of the dust layer and the critical value for blowing after dust accumulation, offering high flexibility.
Claims
1. An automatic diagnostic and cleaning device for dust accumulation in raw material collection pipelines, characterized in that: The system includes a signal transmitter (2) located inside the dust removal duct (1) in the section prone to dust accumulation, and a signal receiver (4) located inside the dust removal duct (1) above the signal transmitter (2), with the signal transmitter (2) and the signal receiver (4) arranged radially towards each other. An air cannon assembly is also provided below the dust removal duct (1) on one side of the signal transmitter (2) to blow away the dust accumulation layer inside the dust removal duct (1). The dust removal duct (1) is connected to the dust removal fan, and the dust removal fan is connected to the dust collector. The output ends of the signal transmitter (2) and the signal receiver (4) are respectively connected to the input end of the control system, and the controlled ends of the air cannon assembly, the dust removal fan, and the dust collector are respectively connected to the output end of the control system.
2. The automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines according to claim 1, characterized in that: The air cannon assembly includes an air cannon (5) connected to a dust removal pipe (1). The air cannon (5) is connected to an air storage tank (8) via a compressed air pipe (7). A ball valve (6) is installed on the compressed air pipe (7). The controlled ends of the air cannon (5) and the ball valve (6) are respectively connected to the output end of the control system.
3. The automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines according to claim 1, characterized in that: The signal transmitter (2) is connected to an adjustment assembly (3) for adjusting the radial depth of the signal transmitter extending into the dust removal pipe.
4. The automatic diagnosis and cleaning device for dust accumulation in raw material point dust removal pipelines according to claim 3, characterized in that: The adjustment component (3) includes a lead screw connected to the signal transmitter (2), a screw nut seat threadedly connected to the lead screw on the dust removal pipe, the lead screw being connected to a rotary motor, and the controlled end of the rotary motor being connected to the output end of the control system.