Flow channel cleaning machine

Abstract

The application discloses a flow channel cleaning machine, and particularly relates to the technical field of cleaning machines, which comprises a machine box, an electric control cabinet is arranged on the top of the machine box, a PLC control box, a frequency converter and an interactive panel are integrated in the electric control cabinet, a state indication area is arranged at the lower left of the electric control cabinet, a horizontal filter core tank, an integrated valve island and a power pump group are sequentially arranged below the electric control cabinet, a vertical tank and a main liquid storage tank are arranged at the rear side of the pump group, and an overhead grid is arranged at the bottom of the main liquid storage tank. The stainless steel pipeline, the multi-way valve group and the sensor assembly of the integrated valve island are fixedly connected with the horizontal filter core tank and the power pump group through rigid pipe joints, thereby forming a high-rigidity pipeline module, effectively resisting operation vibration, reducing joint loosening leakage and facilitating maintenance. A liquid accumulation prevention and collection groove is correspondingly arranged below the overhead grid, dripping liquid penetrates through the grid and is collected, liquid accumulation corrosion at the bottom of the machine box can be avoided, and the electrical components below are protected.

Description

Technical Field

[0001] This invention relates to the field of cleaning machine technology, and more specifically, to a flow channel cleaning machine. Background Technology

[0002] A runner cleaning machine is a specialized device used to clean the narrow channels inside molds, such as cooling channels and heating channels. It uses a power pump to drive the cleaning fluid to circulate within the mold's runners, utilizing the flushing and dissolving properties of the liquid to remove scale, rust, oil, and other deposits from the inner walls of the runners, thereby restoring the mold's heat exchange efficiency and improving product molding quality. Existing publication number CN223027930U discloses a partitioned flow channel cleaning machine, including a conveyor belt, a driving device for moving the conveyor belt, several partition baffles disposed on the conveyor belt, and a cleaning device. Several flow channels are formed between two adjacent partition baffles. The cleaning device includes a first spray pipe and a second spray pipe. The first spray pipe is located above the conveyor belt and has a first spray nozzle, which is positioned opposite to the flow channels. The second spray pipe is located below the conveyor belt and has a second spray nozzle, which is also positioned opposite to the flow channels. The inventors discovered the following problems with the prior art during the development of this invention: Existing equipment often uses flexible hoses or ordinary threaded pipe fittings to connect pipes, valve assemblies, pump assemblies, filters, and other components. Under the influence of vibrations and pressure pulses generated during long-term operation, these connections are prone to gradually loosening, leading to cleaning fluid leakage. During cleaning operations, residual cleaning fluid inevitably drips when disassembling and reassembling mold channels. The bottom of the existing equipment's chassis is often a flat structure, making it easy for leaked liquid to accumulate, causing corrosion to the chassis. If it seeps into electrical components, it can also lead to safety accidents.

[0003] Therefore, a flow channel cleaning machine is proposed to address the above problems. Summary of the Invention

[0004] In order to overcome the above-mentioned defects of the prior art, the present invention provides a flow channel cleaning machine to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, the present invention provides the following technical solution: a flow channel cleaning machine, comprising a chassis, an electrical control cabinet on the top of the chassis, the electrical control cabinet including a PLC control box, a frequency converter, and an interactive panel, a status indicator area on the lower left of the electrical control cabinet, a horizontal filter element tank below the status indicator area, an integrated valve island on the right side of the horizontal filter element tank, the integrated valve island including stainless steel pipelines, a multi-way valve group, and a sensor assembly, a power pump group below the integrated valve island, a vertical tank behind the power pump group, a main liquid storage tank behind the vertical tank, an overhead grid at the bottom of the main liquid storage tank, and a waterproof isolation plate between the main liquid storage tank and the chassis, the PLC control box and the frequency converter being located in the electrical control cabinet, and the power pump group and the main liquid storage tank being located inside the chassis below the waterproof isolation plate.

[0006] By adopting the above technical solution, the waterproof isolation plate separates the electrical and liquid circuit areas vertically, which can prevent the upward spread of any dripping liquid that may occur below, reduce the risk of PLC and frequency converter getting damp, and at the same time, the bottom center of gravity is conducive to the stability of the whole machine during hoisting.

[0007] Preferably, there are several horizontal filter cartridges, and each group of horizontal filter cartridges is arranged laterally along the horizontal direction of the chassis, and the end caps of each horizontal filter cartridge face the outer side of the chassis.

[0008] By adopting the above technical solution, the horizontal filter cartridge canister is arranged horizontally with the end cap facing outwards. The operator can directly replace the filter cartridge from the side of the casing, expanding the filtration area within a limited height. The maintenance path is simple and does not require leaning into the casing to work.

[0009] Preferably, the stainless steel pipeline in the integrated valve island is fixedly connected to the multi-way valve group using a rigid pipe joint, and the stainless steel pipeline is also fixedly connected to the horizontal filter element tank and the power pump group using the same rigid pipe joint.

[0010] By adopting the above technical solution, the pipelines, valve groups, filter tanks, and pump groups are all fixed with rigid pipe joints to form an integrated liquid circuit module. This helps to resist the loosening of joints caused by operating vibration, reduces the possibility of leakage, and facilitates the stable installation of sensors.

[0011] Preferably, the sensor assembly includes a pressure sensor and a flow meter embedded in the stainless steel pipeline node, and the signal output terminals of the pressure sensor and the flow meter are connected to the PLC control box.

[0012] By adopting the above technical solution, pressure sensors and flow meters are embedded at pipeline nodes, which can collect parameters at key locations in the liquid path in real time and transmit them to the PLC, facilitating dynamic adjustment of pump speed. The rigidly connected sensor interface also helps to maintain stable measurement signals.

[0013] Preferably, an anti-liquid accumulation collection tank is provided below the overhead grid. The overhead grid is mesh-shaped, and the mesh aperture of the overhead grid allows dripping liquid to pass through and be collected in the anti-liquid accumulation collection tank.

[0014] By adopting the above technical solution, the overhead grid allows dripping liquid to penetrate into the collection tank below for centralized collection, avoiding long-term immersion of liquid at the bottom of the chassis. The grid can also withstand being stepped on during maintenance, keeping the working surface relatively dry.

[0015] Preferably, the chassis is a closed, integrated skid-mounted structure, and lifting lugs are fixedly installed at the top corners of the chassis.

[0016] By adopting the above technical solution, the whole machine is made into a closed skid and a lifting lug is set at the top corner. The lifting point corresponds to the main force-bearing node of the frame, which can realize the whole-machine lifting without disassembly, shorten the on-site positioning time, and the force is directly applied during lifting, making it easier to maintain the balance of the posture.

[0017] Preferably, the status indication area includes a three-color signal indicator, and both the operation control panel and the three-color signal indicator are electrically connected to the PLC control box.

[0018] By adopting the above technical solution, the three-color indicator lights are directly driven by the PLC, and the operator can observe the equipment status with peripheral vision on the interactive panel. In case of failure, the operator can quickly detect the fault and take a picture of the emergency stop nearby. Operation and status monitoring are in the same field of vision.

[0019] The technical effects and advantages of this invention are as follows: Compared to existing technologies, this flow channel cleaning machine utilizes rigid pipe joints to securely connect the stainless steel piping within the integrated valve island to the multi-way valve assembly, horizontal filter tank, and power pump unit, forming a highly rigid integrated piping system. This structure effectively resists operational vibrations, prevents loosening and leakage at connections, and significantly improves the long-term sealing reliability of the piping system. Simultaneously, the rigid modular integrated layout provides clear piping routing, facilitating routine maintenance and rapid component replacement.

[0020] Compared to existing technologies, this flow channel cleaning machine features an overhead grid at the bottom of the chassis, with a corresponding anti-liquid accumulation collection tank below the grid. Dripping liquid can pass through the grid and directly flow into the collection tank for centralized collection, eliminating the problem of liquid accumulation and corrosion at the bottom of the chassis. This protects the power pump unit and main storage tank located below the waterproof isolation plate, improving the electrical safety of the equipment operation. Furthermore, the entire machine adopts a closed, integrated skid-mounted structure with lifting lugs fixed at the top, enabling overall hoisting and rapid relocation of the equipment without the need for on-site secondary assembly, significantly improving the convenience of mobile deployment. Attached Figure Description

[0021] Figure 1 This is a schematic diagram of the overall structure of the present invention.

[0022] Figure 2 This is a schematic diagram of the overall internal structure of the present invention.

[0023] Figure 3 This is a partial structural diagram of the top of the chassis of the present invention.

[0024] Figure 4 This is a schematic diagram of the overall internal structure of the present invention from a side view.

[0025] Figure 5 This is a schematic diagram of the overall internal rear view structure of the present invention.

[0026] The attached diagram is labeled as follows: 1. Chassis; 11. Waterproof isolation plate; 12. Lifting lug; 2. Electrical control cabinet; 21. PLC control box; 22. Frequency converter; 23. Interactive panel; 3. Status indication area; 31. Three-color signal indicator light; 4. Horizontal filter cartridge tank; 5. Integrated valve island; 51. Stainless steel pipeline; 52. Multi-way valve group; 53. Sensor assembly; 531. Pressure sensor; 532. Flow meter; 6. Power pump group; 7. Vertical tank; 8. Main liquid storage tank; 9. Overhead grid; 91. Anti-liquid accumulation collection tank. Detailed Implementation

[0027] The technical solutions of the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention. Example 1

[0028] As attached Figures 1 to 5The flow channel cleaning machine shown includes a chassis 1, which serves as the basic support structure. An electrical control cabinet 2 is mounted on top of the chassis 1. The electrical control cabinet 2 integrates a PLC control box 21, a frequency converter 22, and an operator-facing interactive panel 23. Placing the control and drive core high up keeps it away from the potentially damp environment at the bottom and facilitates heat dissipation. A status indicator area 3 is located on the lower left of the electrical control cabinet 2. Operators can observe the equipment's operating status from their peripheral vision while operating the interactive panel 23. Below the indicator area, horizontal filter cartridge tanks 4 are arranged horizontally. The end caps of each filter cartridge tank face the outer side of the chassis 1, allowing operators to easily open the end caps from the side of the chassis 1 to replace the filter cartridges. An integrated valve island 5 is located on the right side of the horizontal filter tank 4. The integrated valve island 5 is composed of stainless steel pipes 51, a multi-way valve assembly 52, and sensor components 53 embedded in the pipe nodes. As a compact valve module, the stainless steel pipes 51 within it are fixedly connected to each other and to the multi-way valve assembly 52 using rigid pipe joints. This connection method enhances the overall rigidity of the pipeline system, resists vibrations from the pump unit during operation, and reduces the risk of loosening and leakage at the connection points due to long-term vibration. Below the integrated valve island 5, a power pump unit 6 is arranged, shortening the pipeline path between the pump unit and the valve island above, thus reducing flow resistance and pipeline space occupation. Behind the power pump unit 6, a vertical tank 7 is installed inside the casing 1. The vertical tank 7 provides a buffer or gas-liquid separation space for the circulating liquid. Behind the vertical tank 7 is the main storage tank 8. This arrangement of the power pump unit 6, vertical tank 7, and main storage tank 8 in a longitudinal sequence from front to back ensures a more direct and smooth return path for the cleaning fluid. A raised grid 9 is installed at the bottom of the main liquid storage tank 8. Specifically, a mesh grid is laid on the bottom plate of the chassis 1 in the area below the main liquid storage tank 8. Residual cleaning fluid dripping during mold disassembly and assembly can pass through the grid mesh and fall into the anti-accumulation collection tank 91 below for centralized collection, preventing liquid from accumulating at the bottom of the chassis 1, thereby reducing the possibility of immersion corrosion of the chassis 1 sheet metal and accidental liquid contact with electrical components. The entire chassis 1 is a closed, integrated skid-mounted structure with lifting lugs 12 at the top corners, allowing for overall lifting without disassembly, facilitating rapid transfer between different workstations or workshops. The above-mentioned functional areas are clearly divided and reliably connected to each other through rigid pipelines, forming a compact layout and a clear maintenance path for the entire machine structure. Example 2

[0029] Based on Example 1, the solution in Example 1 will be further described in detail below with reference to the specific working method, such as... Figures 1 to 4 As shown below, see details: In a preferred embodiment, a waterproof isolation plate 11 is installed between the electrical control cabinet 2 and the chassis 1. This isolation plate serves as a structural component at the top of the chassis 1, physically separating the electrical area where the electrical control cabinet 2 is located from the hydraulic power area below. The PLC control box 21 and the frequency converter 22 are installed and fixed inside the electrical control cabinet 2 above the waterproof isolation plate 11, while the power pump group 6 and the main liquid storage tank 8 are arranged in the inner cavity of the chassis 1 below the waterproof isolation plate 11. The waterproof isolation plate 11 adopts an integral plate structure, and its four sides are sealed and connected to the frame of the chassis 1. Only cable passage holes are opened on the plate for cables to pass through, and the cable passage holes are sealed with sealing coils or stuffing glands. The purpose of this design is that when the pipelines, valve groups, or pump groups below leak or have slight seepage during long-term operation, the splashed or evaporated liquid is mainly confined to the area below the waterproof isolation plate 11, and is not likely to directly contact the PLC control box 21 and frequency converter 22 and other core electrical components, thereby delaying the electrical components from getting damp and reducing the risk of short circuits.

[0030] In a preferred embodiment, multiple horizontal filter cartridge tanks 4 are arranged side-by-side, with each tank arranged sequentially along the horizontal direction of the housing 1, their installation axes essentially remaining on the same horizontal plane. The end caps of each filter cartridge tank face outwards from the side of the housing 1. Operators can directly access the row of filter cartridge end caps by simply opening the protective door or operating window on the side of the housing 1, allowing for filter cartridge replacement and cleaning without needing to enter the housing 1. The inlet and outlet of each filter cartridge tank are fixedly connected to the stainless steel pipes 51 of the integrated valve island 5 via rigid pipe fittings. The direction of the inlet and outlet pipes corresponds to the horizontal arrangement of the filter cartridge tanks, and the pipes are laid horizontally along the housing 1, reducing pipe crossings and bends. This horizontal arrangement design primarily aims to increase the total filtration area within the limited height space of the housing 1 by horizontally expanding the number of filter cartridges, rather than simply increasing the diameter of individual filter cartridge tanks. This avoids the filter cartridge tanks being too tall and encroaching on the installation space of the integrated valve island 5 and the electrical control cabinet 2 above.

[0031] In a preferred embodiment, the stainless steel pipe 51 in the integrated valve island 5 is fixedly connected to the multi-way valve group 52 using rigid pipe joints. Similarly, the stainless steel pipe 51 is fixedly connected to the inlet and outlet of the horizontal filter tank 4 and the suction / discharge port of the power pump group 6 using rigid pipe joints. The rigid pipe joints are typically compression fittings or welded fittings. During installation, the pipe joint body is first tightened to the valve group or equipment interface, and then the stainless steel pipe 51 is inserted into the joint. Rigid locking of the pipe and joint is achieved by tightening the compression nut or completing circumferential welding. After this connection, the stainless steel pipe 51, multi-way valve group 52, horizontal filter tank 4, and power pump group 6 together constitute an integral rigid frame-type hydraulic circuit module, with no flexible hose transition sections between the components. The design is based on the fact that the mechanical vibration and pressure fluctuations in the hydraulic circuit generated during the operation of the power pump unit 6 will be transmitted along the pipeline. If the pipeline and components are connected by a flexible hose, although the hose can absorb some vibration, the hose itself is prone to aging and cracking after long-term use. In addition, the crimping part of the hose and the connector may also loosen under repeated vibration. However, by using a rigid pipe connector, the natural frequency of the entire hydraulic circuit module is increased, and it is not easy to cause large shaking due to resonance under normal operating conditions.

[0032] In a preferred embodiment, the pressure sensor 531 and flow meter 532 are embedded in specific nodes of the stainless steel pipeline 51 of the integrated valve island 5. These nodes are typically selected at key liquid path sections such as the outlet branch of the multi-way valve group 52, the inlet and outlet of the horizontal filter tank 4, and the main outlet pipe of the power pump group 6. During installation, a sensor interface seat with internal threads is machined into the pipe wall of the stainless steel pipeline 51. The interface seat is welded to the pipeline to form an integral structure. The pressure probe of the pressure sensor 531 is screwed into the interface seat through the thread, and its sensing diaphragm directly contacts the cleaning fluid flowing in the pipe. The measuring pipe section of the flow meter 532 is connected in series to the pipeline node through rigid pipe joints at both ends, so that all the fluid flows through the detection channel of the flow meter 532. The signal output terminals of the pressure sensor 531 and flow meter 532 are connected to the analog input module of the PLC control box 21 in the electrical control cabinet 2 through shielded cables. The cables are laid along the cable trays on the frame of the chassis 1 and are kept at a certain distance from the power cables to reduce electromagnetic interference.

[0033] In a preferred embodiment, the overhead grille 9 is installed in the bottom area of ​​the chassis 1 below the main liquid storage tank 8. The grille is a grid structure welded from crisscrossing flat or round steel bars. The four edges of the grille are fixed to the support frame at the bottom of the chassis 1 by bolts or welding. The aperture size of each grid is designed to allow cleaning fluid dripping from the upper mold flow channel interface to pass freely without forming a liquid film accumulation on the grille surface. Directly below the overhead grille 9, an anti-liquid accumulation collection tank 91 is provided. The bottom of the collection tank has a slight slope towards the drain port. The tank body is made of stainless steel plate or corrosion-resistant coated steel plate that is compatible with the cleaning fluid, bent and welded. The edge of the tank is sealed to the bottom frame of the chassis 1. When the operator removes the pipe joints on the mold after cleaning, the residual cleaning fluid inside the joints will drip down under gravity. The liquid first falls onto the overhead grid 9. Since the opening area of ​​the grid is much larger than the area of ​​the solid ribs, most of the droplets pass directly through the mesh and fall into the anti-liquid collection tank 91 below. Only a very small amount of liquid may briefly adhere to the grid ribs and then flow down along the edge of the ribs.

[0034] As a preferred embodiment, the chassis 1 adopts a closed, integrated skid-mounted structure. The entire unit is supported by a base frame at the bottom, which is welded from steel profiles. All functional units, including the main liquid storage tank 8, power pump unit 6, vertical tank 7, horizontal filter tank 4, integrated valve island 5, and electrical control cabinet 2, are pre-fixed on the base frame, forming a complete skid-mounted module. The chassis 1 is enclosed on all four sides and top by removable metal panels, which are bolted to the frame. For maintenance, the corresponding side or top panels can be partially removed. During normal operation, the entire unit appears as a closed box. Near the four corners of the top of the chassis 1, a lifting lug 12 is fixedly installed. The base plate of the lug is welded or bolted to the top corner piece of the chassis 1 frame. The lifting holes of the lugs face outwards from the chassis 1 for easy hook operation during lifting. The purpose of placing the lifting lugs at the top corners is that the corner area is the main load-bearing node of the frame of the chassis 1. During hoisting, the four slings converge diagonally upward from the four corners of the chassis 1 to the hook. The weight of the chassis 1 and its internal components is directly transferred to the uprights and the main beam of the base through the lifting lugs. The stress transfer path is relatively direct, which helps to avoid local deformation caused by the lifting point deviating from the main load-bearing components of the frame.

[0035] In a preferred embodiment, the status indicator area 3 is located on the front panel of the chassis 1 at the lower left of the electrical control cabinet 2. This area integrates three signal indicator lights arranged in a straight line, along with an operation control panel. The three-color signal indicator lights 31 typically use individual red, yellow, and green LEDs or integrated LED columns. The light body is fixed to the corresponding circular holes on the panel by a fastening bracket. The lead wires from the lamp ends are connected via a wire trough to the digital output terminals of the PLC control box 21 inside the electrical control cabinet 2. The PLC illuminates the corresponding colored LEDs according to the current operating, standby, or fault status of the equipment. The operation control panel is embedded in the panel next to the three-color signal indicator lights 31. Its surface is arranged with necessary control elements such as start buttons, stop buttons, and emergency stop buttons. The normally open or normally closed contacts of each button are also connected to the digital input module of the PLC control box 21 via control cables.

[0036] In this embodiment, the flow meter 532, pressure sensor 531, and three-color indicator light 31 are all commercially available devices known to those skilled in the art. They can be customized or selected according to actual needs. Here, we are only using them without making any structural or functional improvements, and we will not go into detail here.

[0037] The working process of this invention is as follows: The cleaning pressure, flow rate, and time parameters are set in the PLC control box 21 via the interactive panel 23. After system self-check confirmation, the power pump unit 6 starts, drawing the cleaning fluid from the main storage tank 8. The cleaning fluid first enters the horizontal filter element tank 4 along the stainless steel pipeline 51 fixed with rigid pipe joints, filtering out any possible particulate impurities. The end caps of the horizontal filter element tank 4 are arranged outwards for convenient daily maintenance and filter element replacement. The filtered cleaning fluid enters the integrated valve island 5, where the multi-way valve group 52 distributes the fluid flow direction according to PLC instructions, precisely injecting it into the mold channel to be cleaned. Pressure sensors 531 and flow meters 532 embedded in the pipeline nodes feed real-time data back to the PLC control box 21. The PLC automatically adjusts the pump speed via frequency converter 22, stabilizing the cleaning pressure and flow rate within a preset range. The return liquid after rinsing the channels carries dirt into the vertical tank 7 for buffering and impurity settling, while the upper clear liquid flows back to the main storage tank 8, forming a closed loop. During the cleaning process, the waterproof isolation plate 11 effectively protects the power pump unit 6 and the main liquid storage tank 8 below, while the three-color indicator lights in the status indicator area 3 indicate the operating, standby, or fault status of the equipment in real time. After one cleaning cycle is completed, the power pump unit 6 automatically stops. Residual liquid dripping from the mold channel when disconnecting the pipeline will pass through the overhead grille 9 at the bottom of the casing 1 and flow into the anti-accumulation liquid collection tank 91 below for centralized collection, avoiding liquid accumulation corrosion and electrical safety hazards inside the casing 1. The entire cleaning machine is a closed integrated skid-mounted structure, which can be lifted as a whole by the top lifting lug 12, making it very convenient to move and deploy. The above is the working principle of this channel cleaning machine.

Claims

1. A flow channel cleaning machine comprising a machine housing (1), characterized in that: The top of the cabinet (1) is provided with an electric control cabinet (2), the electric control cabinet (2) includes a PLC control box (21), a frequency converter (22) and an interactive panel (23), the lower left of the electric control cabinet (2) is provided with a state indicating area (3), the lower of the state indicating area (3) is provided with a horizontal filter core tank (4), the right of the horizontal filter core tank (4) is provided with an integrated valve island (5), the integrated valve island (5) includes a stainless steel pipeline (51), a multi-way valve group (52) and a sensor assembly (53), the lower of the integrated valve island (5) is provided with a power pump group (6), the rear side of the power pump group (6) is provided with a vertical tank (7), the rear side of the vertical tank (7) is provided with a main liquid storage tank (8), the bottom of the main liquid storage tank (8) is provided with an overhead grid (9).

2. The flow channel cleaner according to claim 1, characterized by: The electric control cabinet (2) and the cabinet (1) are provided with a waterproof isolation plate (11), the PLC control box (21) and the frequency converter (22) are located in the electric control cabinet (2), and the power pump group (6) and the main liquid storage tank (8) are located in the cabinet (1) below the waterproof isolation plate (11).

3. The flow passage cleaner of claim 1, wherein: The horizontal filter core tank (4) is provided with a plurality of groups, each group of the horizontal filter core tank (4) is arranged transversely along the horizontal direction of the cabinet (1), and the end cover of each horizontal filter core tank (4) faces outward from the side of the cabinet (1).

4. The flow channel cleaner of claim 1, wherein: The stainless steel pipeline (51) in the integrated valve island (5) is fixedly connected with the multi-way valve group (52) through a rigid pipe joint, and the stainless steel pipeline (51) is also fixedly connected with the horizontal filter core tank (4) and the power pump group (6) through the rigid pipe joint.

5. The flow channel cleaner of claim 1, wherein: The sensor assembly (53) includes a pressure sensor (531) and a flow meter (532) embedded on the node of the stainless steel pipeline (51), and the signal output ends of the pressure sensor (531) and the flow meter (532) are signal connected with the PLC control box (21).

6. The flow channel cleaner of claim 1, wherein: The lower of the overhead grid (9) is provided with an anti-accumulation liquid collection tank (91), the overhead grid (9) is in a grid shape, and the grid aperture of the overhead grid (9) allows the dripping liquid to pass through and be collected inside the anti-accumulation liquid collection tank (91).

7. The flow channel cleaner of claim 1, wherein: The cabinet (1) is in a closed integrated pry structure, and lifting lugs (12) are fixedly arranged at the top corners of the cabinet (1).

8. The flow channel cleaner of claim 1, wherein: The state indicating area (3) includes a three-color signal indicating lamp (31), and the operation control panel (32) and the three-color signal indicating lamp (31) are electrically connected with the PLC control box (21).

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