Vehicle-mounted wastewater collecting device and derusting vehicle

Abstract

The application relates to the field of wastewater recovery, and discloses a vehicle-mounted wastewater collecting device and a derusting vehicle. The vehicle-mounted wastewater collecting device is used for a derusting vehicle provided with a vehicle frame and a derusting device, and comprises a backwater tank, a vacuum fan and a mounting table. A backwater cavity of the backwater tank is connected with the derusting device through a backwater pipe. The vacuum fan is connected with the backwater tank. The vacuum fan is used for vacuumizing the backwater cavity, so that the wastewater generated by the derusting device enters the backwater cavity under the action of negative pressure. The backwater tank and the vacuum fan are both connected with the mounting table. The mounting table is used for detachably connecting with the bottom of the vehicle frame. The design that the mounting table is detachably connected with the bottom of the vehicle frame not only ensures the overall stability of the vehicle-mounted wastewater collecting device during the operation of the derusting vehicle and prevents vibration displacement, but also greatly simplifies the dismounting and maintenance process of the vehicle-mounted wastewater collecting device.

Description

Technical Field

[0001] This application belongs to the field of wastewater recycling, specifically relating to a vehicle-mounted wastewater collection device and a rust removal vehicle. Background Technology

[0002] In the ship repair industry, rust removal is the most important pre-process before ship surface coating. Traditional rust removal method is sandblasting, but due to its high labor intensity, severe environmental pollution, and low efficiency, it has been gradually replaced by ultra-high pressure water rust removal. Ultra-high pressure water rust removal includes manual handheld water gun rust removal, wall-climbing rust removal robots, and self-propelled rust removal vehicles. Among these, self-propelled rust removal vehicles are gradually becoming the mainstream due to their convenience, efficiency, and safety. However, although ultra-high pressure water rust removal has many advantages, problems such as how to collect and treat the wastewater generated after rust removal remain to be solved.

[0003] Currently, the industry typically uses independent wastewater collection units to collect and treat rust removal wastewater. These wastewater collection units are usually placed on the ground and cannot be easily moved. They are connected to the rust removal tray through a recovery pipe. However, the recovery pipe affects the mobility and range of motion of the rust removal vehicle, and the exposed pipe requires someone to watch over it to prevent it from being squeezed or tangled, making it extremely inconvenient to use. Summary of the Invention

[0004] In view of at least one of the above-mentioned defects or deficiencies in the prior art, this application provides a vehicle-mounted wastewater collection device that can be detachably connected to a rust removal vehicle and can move with the rust removal vehicle without being restricted by a tow pipe, making it more flexible and convenient to use.

[0005] To achieve the above objectives, this application provides an on-board wastewater collection device for a rust removal vehicle equipped with a chassis and a rust removal device, the on-board wastewater collection device comprising: A return water tank, wherein the return water chamber of the return water tank is used to connect to the rust removal device via a return water pipe; A vacuum blower is connected to the return water tank. The vacuum blower is used to create a vacuum in the return water chamber, so that the wastewater generated by the rust removal device enters the return water chamber under negative pressure. The mounting platform is connected to both the water return tank and the vacuum fan, and the mounting platform is used for detachable connection to the bottom of the vehicle frame.

[0006] In some embodiments, the vehicle-mounted wastewater collection device further includes a sewage pump connected to the inside of the return water tank for discharging wastewater from the return water tank.

[0007] In some embodiments, the inner wall of the return water tank has a high-level switch, a middle-level switch, and a low-level switch arranged at intervals. The high-level switch, the middle-level switch, and the low-level switch are all liquid level switches. The high-level switch is used to start and stop the vacuum blower based on the liquid level height it detects. The middle-level switch and the low-level switch are used to start and stop the sewage pump based on the liquid level height they detect.

[0008] In some embodiments, the vehicle-mounted wastewater collection device further includes a first driving component for driving a vacuum fan, wherein the first driving component is an electric motor or a hydraulic motor; And / or, The vehicle-mounted wastewater collection device also includes a second driving component for driving the sewage pump. The first driving component is an electric motor or a hydraulic motor, and the second driving component is an electric motor or a hydraulic motor.

[0009] In some embodiments, the return water chamber is provided with a filter box with an inlet, and the filter box is provided with a filter screen. Wastewater from the rust removal device can flow through the inlet, pass through the filter box, and enter the return water chamber.

[0010] In some embodiments, the inner wall of the filter box has a liquid level detection switch, which is connected to an external reminder device to activate the reminder device when the liquid level in the filter reaches a specified height.

[0011] In some embodiments, the filter box has an access port, and an access door is provided on the filter box at the position corresponding to the access port. The access door can rotate relative to the filter box and open or close the access port.

[0012] In some embodiments, the filter box includes a forklift structure disposed at the lower end of the filter box, the forklift structure having a forklift passage for insertion by a forklift.

[0013] In some embodiments, the return water tank includes a front panel with an observation window. A door is provided on the front panel corresponding to the observation window. The door covers the observation window, and a rubber pad is provided at the contact point between the door and the front panel. The door can rotate relative to the front panel and open or close the observation window.

[0014] A second aspect of this application provides a rust removal vehicle, including a frame, a rust removal device, and an on-board wastewater collection device as described in any one of the above. The mounting platform of the vehicle-mounted wastewater collection device has a hinged lug plate with a hinged hole. The vehicle frame has a corresponding hinged hole, and the vehicle-mounted wastewater collection device is hinged to the vehicle frame through the hinged lug plate.

[0015] Through the above technical solution, the vehicle-mounted wastewater collection device can be moved synchronously with the rust removal vehicle to different work locations, without being limited by fixed-position pipe connections and pipeline laying restrictions. It is extremely flexible and convenient to use, significantly improving the mobility and coverage of rust removal operations. The detachable connection between the mounting platform and the bottom of the vehicle frame ensures that the vehicle-mounted wastewater collection device is stable and reliable when the rust removal vehicle is moving and operating, and also facilitates the quick assembly and disassembly of the entire vehicle-mounted wastewater collection device, greatly simplifying the maintenance and replacement process. The vacuum fan efficiently draws a vacuum into the sealed return water chamber, using the principle of negative pressure to powerfully extract the wastewater generated by the rust removal device. The suction process is powerful and efficient.

[0016] Other features and advantages of the embodiments of this application will be described in detail in the following detailed description section. Attached Figure Description

[0017] The accompanying drawings are provided to further illustrate the embodiments of this application and form part of the specification. They are used together with the following detailed description to explain the embodiments of this application, but do not constitute a limitation on the embodiments of this application. For those skilled in the art, other drawings can be obtained based on the structures shown in these drawings without any inventive effort. In the drawings: Figure 1 This is a schematic diagram showing the connection between the wastewater collection device and the rust removal vehicle of this utility model; Figure 2 This is a diagram showing the internal structure of the wastewater collection device of this utility model; Figure 3 This is a structural diagram of the filter box in this utility model; Explanation of reference numerals in the attached figures Detailed Implementation

[0018] The specific embodiments of this application will be described in detail below with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are for illustration and explanation only and are not intended to limit this application.

[0019] The present application will now be described in detail with reference to the accompanying drawings and exemplary embodiments.

[0020] like Figures 1 to 3As shown, the first aspect of this application provides a vehicle-mounted wastewater collection device 20 for a rust removal vehicle 10 equipped with a frame 11 and a rust removal device. The vehicle-mounted wastewater collection device 20 includes a return water tank 21, a vacuum fan 22, and a mounting platform 23. The return water chamber of the return water tank 21 is connected to the rust removal device through a return water pipe. The return water chamber is the cavity formed inside the return water tank 21. The vacuum fan 22 is connected to the return water tank 21 and is used to evacuate the return water chamber, so that the wastewater generated by the rust removal device enters the return water chamber under negative pressure. The vacuum fan 22 can be a vortex centrifugal fan, which has the advantages of compact structure and large flow rate. The return water tank 21 and the vacuum fan 22 are both connected to the mounting platform 23, which is detachably connected to the bottom of the frame 11. The design of the mounting platform 23 being detachably connected to the bottom of the frame 11 not only ensures the overall stability of the vehicle-mounted wastewater collection device 20 during the operation of the rust removal vehicle 10, preventing vibration and displacement, but also greatly simplifies the disassembly, assembly, and maintenance process of the vehicle-mounted wastewater collection device 20.

[0021] The vehicle-mounted wastewater collection device 20 can be moved synchronously with the rust removal vehicle 10 to different work locations, without being limited by fixed-position pipe connections and pipeline laying restrictions. Its use is extremely flexible and convenient, significantly improving the mobility and coverage of the rust removal vehicle 10. The detachable connection between the mounting platform 23 and the bottom of the frame 11 ensures the vehicle-mounted wastewater collection device 20 is stable and reliable during the movement and operation of the rust removal vehicle 10, and also facilitates the quick assembly and disassembly of the entire module, greatly simplifying the maintenance and replacement process. The vacuum fan 22 efficiently creates a vacuum in the sealed return water chamber, using the principle of negative pressure to powerfully extract the wastewater generated by the rust removal device. The suction process is powerful and efficient. The vacuum fan 22 generates negative pressure to extract the rust removal wastewater, with a negative pressure reaching 36 kPa and a flow rate of 1050 m³ / h. During rust removal operations, most of the rust removal wastewater can be drawn into the vehicle-mounted wastewater collection device 20, preventing excessive wastewater from flowing directly down without discharge and causing environmental pollution.

[0022] Specifically, one end of the mounting platform 23 extends into the return water tank 21 and connects to the side plate 216 and bottom plate of the return water tank 21 to ensure the stability of the mounting platform 23. The other end of the mounting platform 23 is provided with a hinge ear plate 231, which has a hinge hole. Correspondingly, the frame 11 of the rust removal vehicle 10 has a matching hinge hole, so that the vehicle-mounted wastewater collection device 20 can be hinged to the rear of the frame 11 of the rust removal vehicle 10 via a pin and moves with the rust removal vehicle 10. During normal operation, the important components of the vehicle-mounted wastewater collection device 20 will be in the sealed cavity formed by the return water tank 21 and the frame 11 of the rust removal vehicle 10 to avoid interference from the external environment and improve reliability. When maintenance and repair are required, the vehicle-mounted wastewater collection device 20 can be unscrewed around the pin to expose the important components. In special cases, the entire vehicle-mounted wastewater collection device 20 can be removed by taking out the pin.

[0023] In some embodiments, the vehicle-mounted wastewater collection device 20 also includes a sewage pump 24, which is connected to the inside of the return water tank 21 via a hose for discharging wastewater from the return water tank 21. Specifically, the sewage pump 24 is a diaphragm pump and is also connected to the mounting platform 23. Compared with the sewage pumps and centrifugal pumps commonly used in existing independent wastewater collection units, the diaphragm pump has a longer service life because its transmission mechanism does not directly contact the conveying medium. Of course, other structural forms of sewage pumps 24 can also be used, and this utility model does not impose specific limitations. Using a flexible hose instead of a rigid pipe to connect the sewage pump 24 and the return water tank 21 effectively isolates the impact of vibrations generated by vehicle driving and rust removal operations on the pump body, and also avoids the risk of damage to the connection point due to stress concentration. This improves the overall reliability and durability of the pumping pipeline system. The sewage pump 24, together with its hose, is connected to the mounting platform 23 and can be quickly disassembled from the bottom of the frame 11 through the mounting platform 23, making the system maintenance of the entire vehicle-mounted wastewater collection device 20, including the sewage pump 24, more convenient and efficient.

[0024] In some implementations, such as Figure 2As shown, the inner wall of the return water tank 21 has a high-level switch 211, a medium-level switch 212, and a low-level switch 213 arranged at intervals. All three switches are level switches. The high-level switch 211 is connected to the vacuum fan 22 and is used to start and stop the vacuum fan 22 based on the detected liquid level. The medium-level and low-level switches 212 and 213 are connected to the sewage pump 24 and are used to start and stop the sewage pump 24 based on the detected liquid level. Specifically, the high-level switch 211, medium-level switch 212, and low-level switch 213 are all float-type level switches. By installing three float-type level switches (high, medium, and low levels) on the inner wall of the return water tank 21 and establishing specific control logic between them and the vacuum fan 22 and the sewage pump 24, automated control and equipment protection can be achieved. The float-type level switch has a simple structure, is resistant to dirt, and is reliable, making it suitable for wastewater environments containing solid impurities. Specifically, when the vehicle-mounted wastewater collection device 20 is working normally, the vacuum fan 22 is turned on, and wastewater is continuously collected into the return water tank 21. When the pipeline is blocked, the wastewater cannot be discharged normally, causing the liquid level to rise continuously to the level where the high-level switch 211 is located. This triggers the vacuum fan 22 to stop, preventing excessive wastewater from overflowing or backflowing and damaging the fan due to continuous negative pressure suction. When the liquid level drops below the level where the high-level switch 211 is located, the vacuum fan 22 is automatically restarted to resume suction, ensuring the continuity of wastewater collection. When the liquid level exceeds the level where the intermediate switch 212 is located, the sewage pump 24 is turned on to discharge the wastewater in a timely manner. When the wastewater is continuously discharged and gradually decreases to the level where the low-level switch 213 is located, the sewage pump 24 stops working to prevent dry suction. This "intermediate level start, low level stop" design ensures that the return water tank 21 has sufficient buffer volume to prevent the pump from running dry due to low liquid level, while also allowing for more thorough drainage of wastewater. The coordinated action of the three switches enables the orderly and automatic collection and discharge of wastewater, greatly improving the intelligence level of the system operation, effectively preventing the risk of liquid level runaway, and significantly protecting core equipment such as vacuum blower 22 and sewage pump 24, extending their service life.

[0025] In some embodiments, the vehicle-mounted wastewater collection device 20 further includes a first drive unit for driving the vacuum blower 22 and a second drive unit for driving the sewage pump 24. The first drive unit may be an electric motor or a hydraulic motor, and the second drive unit may also be an electric motor or a hydraulic motor.

[0026] In another embodiment, the vehicle-mounted wastewater collection device 20 includes a first driving component that drives a vacuum blower 22 or a second driving component that drives a sewage pump 24. The first driving component is an electric motor or a hydraulic motor, and the second driving component is an electric motor or a hydraulic motor.

[0027] By equipping the vacuum blower 22 with a first drive component and the sewage pump 24 with a second drive component, the power adaptability and operational reliability of the vehicle-mounted wastewater collection device 20 are significantly improved. Specifically, the choice of drive component type provides flexibility, allowing for optimal matching based on the power source configuration of the rust removal vehicle 10 itself, ensuring convenient and efficient access to the drive source. Moreover, most existing wastewater collection units are 380V electrically driven, requiring on-site power connection, which poses safety hazards in humid environments. In contrast, the vacuum blower 22 and sewage pump 24 of this vehicle-mounted wastewater collection device 20 can be driven by hydraulic motors, effectively avoiding the aforementioned risks and improving the safety of the vehicle-mounted wastewater collection device 20. Meanwhile, the vacuum blower 22 and the sewage pump 24 each have independent drive components. On the one hand, this completely frees them from the constraints of mechanical linkage, allowing them to directly respond to the electrical control signals of the aforementioned liquid level switch for independent and precise start-stop operations. This eliminates the risk of the entire wastewater system being paralyzed due to a single drive source failure. On the other hand, the independent power transmission path avoids mutual interference caused by load changes or vibrations, improves the stability of the vacuuming and sewage discharge processes, simplifies the transmission structure design, reduces maintenance complexity, and ultimately ensures the efficient, reliable, and controllable operation of the entire wastewater collection and discharge process.

[0028] In some implementations, such as Figure 3 As shown, the return water chamber is equipped with a filter box 214 with an inlet 2141. The filter box 214 contains a filter screen, allowing wastewater from the rust removal device to flow through the inlet 2141 into the return water chamber. Specifically, the filter box 214 is a box with an opening at the top, formed by a base plate and multiple side plates 2142. The opening serves as the inlet 2141. Multiple hooks 2146 are located at the edges of the opening (i.e., the edges of the side plates 2142), and the filter screen is attached to these hooks. By installing a filter box 214 with an inlet 2141 inside the return water chamber and installing a filter screen within it, immediate filtration of wastewater before it enters the return water chamber 21 is achieved. The wastewater generated by the rust removal device first flows directly into the filter box 214 through the inlet 2141, and after being filtered by the internal filter screen to remove solid impurities, it enters the main space of the return water chamber for storage. The filter effectively prevents large particles of impurities from entering the return water chamber and contacting the sewage pump 24, greatly reducing the risk of clogging or wear of the sewage pump 24 and avoiding subsequent blockage of the drainage pipe. The built-in design of the filter box 214 maximizes the use of the internal space of the return water chamber, avoiding the need to add an external independent filter and saving vehicle installation space. The intercepted solid impurities are concentrated in the filter box 214. Opening the return water tank 21 and cleaning the filter box 214 can remove the impurities uniformly, avoiding the cleaning difficulties caused by the diffusion of impurities inside the chamber. At the same time, the pre-filtering design prevents solid impurities from accumulating in the return water chamber and clogging the inlet 2141 or the pipe inlet, ensuring the long-term unobstructed flow of the negative pressure suction channel.

[0029] The side plate 2142 or base plate of the filter box 214 can be a grid plate 2144 with mesh, or the side plate 2142 or base plate of the filter box 214 can be spliced ​​with a grid plate 2144 with mesh. When the vehicle wastewater collection device 20 is running, the vacuum fan 22 performs vacuuming, and the wastewater generated by the rust removal device enters the inlet 2141 through the pipe. It is filtered by the filter screen at the inlet 2141 and then enters the filter box 214. The filtered wastewater then flows out through the mesh of the grid plate 2144 of the filter box 214 and enters the return water tank 21. The wastewater first undergoes the first stage of filtration at the inlet 2141 through the filter screen, directly intercepting large particulate impurities and effectively preventing them from entering the downstream. Then the wastewater enters the filter box 214 for temporary storage, providing a buffer space for possible solid sedimentation. The wastewater must pass through the mesh of the grid plate 2144 of the filter box 214 to flow into the return water tank 21, which forms the second fine filtration barrier. The filter screen intercepts major large particles, and the mesh of the grid plate 2144 blocks secondary small particles and sediments that may pass through or fall off, providing double protection for the downstream sewage pump 24 and pipelines; impurities are effectively trapped in the filter box 214, ensuring that the liquid entering the main cavity of the return water tank 21 is relatively clean, reducing the risk of malfunction or jamming of the liquid level switch.

[0030] In some embodiments, a liquid level detection switch is installed on the inner wall of the filter box. This switch is connected to an external alerting device to activate the device when the liquid level inside the filter reaches a specified height. The liquid level detection switch is also a float-type switch. The external alerting device can be an audible and visual alarm or an indicator light on a dashboard. This design provides crucial intelligent early warning and equipment protection. When the filter becomes clogged due to excessive solid impurities or its flow efficiency significantly decreases, the wastewater flows through the filter more slowly, causing it to accumulate inside the filter box 214. At this time, the liquid level detection switch can accurately detect abnormally high liquid levels inside the box. Once the liquid level reaches the preset "warning height," i.e., the height of the liquid level detection switch, the switch immediately activates the external alerting device, issuing a clear warning to the operator that the filter needs to be cleaned or the blockage checked. It achieves proactive, real-time, and visual early warning of blockage, avoiding the serious risks of wastewater overflow or backflow into the rust removal device caused by the lag of manual inspection or failure to detect abnormal liquid levels in time. On the other hand, by reminding maintenance in a timely manner, it effectively prevents serious blockage or damage to the filter screen caused by long-term excessive accumulation of solid impurities, ensuring filtration efficiency and normal wastewater flow, significantly extending the service life of the filter screen and improving the operational reliability and ease of operation of the entire wastewater collection system.

[0031] In some embodiments, the filter box 214 has an access port, and a maintenance door 2143 is provided on the filter box 214 at the corresponding position of the access port. The maintenance door 2143 is hinged to the filter box 214, allowing the maintenance door 2143 to rotate relative to the filter box 214 and open or close the access port. The maintenance door 2143 allows operators to directly access the interior of the filter box 214 through the access port without disassembling the entire return water tank 21 or the filter box 214. Especially when replacing the filter screen inside the filter box 214, this direct and quick access method greatly simplifies the inspection, cleaning, or replacement process of the filter screen, significantly shortens maintenance time, and reduces operational difficulty.

[0032] In some embodiments, the filter box 214 includes a forklift structure 2145 disposed at the lower end of the filter box 214, the forklift structure 2145 having a forklift channel for forklift insertion. Specifically, the forklift structure 2145 may be a hollow rectangular tube, the hollow interior of the rectangular tube forming the forklift channel. The number of forklift structures 2145 is not specifically limited in this invention; there may be one or more. If there is one forklift structure 2145, its width is close to the width of the filter box 214. If there are multiple forklift structures 2145, they are evenly distributed at the lower end of the filter box 214. This connection method ensures the stability of the filter box 214 and prevents the filter box 214 from shaking or tipping over during use due to the forklift structure 2145 being too narrow or its installation position being uneven. In this invention, two forklift structures 2145 are included and symmetrically installed at the bottom of the filter box 214, ensuring the stability of the filter box 214. The forklift access provides precise spatial guidance and support points for the insertion of standard forklift forks. During filter cleaning or overall maintenance of the filter box 214, operators can easily use forklift forks to insert into the access to lift and remove the heavy filter box 214, containing deposited solid impurities, from the return water chamber, or reposition it. This avoids the operational difficulties, inefficiency, and personal injury risks that can result from manually moving heavy objects under the vehicle; moreover, by using a forklift, the filter box 214 can be quickly and safely disassembled, installed, and transported, greatly improving the overall maintenance efficiency and operational convenience of the onboard wastewater recovery system.

[0033] In some embodiments, the return water tank 21 includes a front panel 215 with a perforated observation window. A door 2151 is positioned on the front panel 215 corresponding to the observation window, covering the observation window. A rubber pad is provided at the contact point between the door 2151 and the front panel 215. The door 2151 can rotate relative to the front panel 215, opening or closing the observation window. Through the perforated observation window, operators can directly and clearly observe the condition inside the return water chamber by opening the door 2151. The rotating door 2151 is easy and labor-saving to operate, and can be quickly opened when more detailed inspection or cleaning is required. When the door 2151 is closed, the reliable seal formed by the rubber pad and the front panel 215 effectively isolates external dust, mud, water, or vibration impact from entering the return water chamber, and also prevents possible splashing of wastewater or leakage of mist. Simultaneously, the rubber pad also acts as a buffer and vibration damper when the door 2151 is closed, improving impact resistance during vehicle travel.

[0034] The second aspect of this application provides a rust removal vehicle 10, such as... Figure 1 As shown, the device includes a frame 11, a rust removal device, and the aforementioned vehicle-mounted wastewater collection device 20. The mounting platform 23 of the vehicle-mounted wastewater collection device 20 has a hinge plate 231 with hinge holes. The frame 11 has corresponding hinge holes, and the vehicle-mounted wastewater collection device 20 is hinged to the frame 11 via the hinge plate 231. Specifically, the hinge plate 231 can be used to hinge the vehicle-mounted wastewater collection device 20 at both ends of the connection surface between the vehicle-mounted wastewater collection device 20 and the frame 11, or hinge the vehicle-mounted wastewater collection device 20 at one end and lock it at the other end using a locking element. During normal operation, the important components of the vehicle-mounted wastewater collection device 20 are housed within a sealed cavity formed by the return water tank 21 and the frame 11 of the rust removal vehicle 10 to avoid interference from the external environment and improve reliability. When maintenance and repair are required, the locking mechanism can be released or the pin at one end can be removed. The other end of the vehicle wastewater collection device 20 is still connected to the frame 11 via the pin and the hinge ear plate 231. At this time, the vehicle wastewater collection device 20 can be rotated around the pin to expose important components for inspection. Alternatively, the pin can be removed to completely disassemble the vehicle wastewater collection device 20 for inspection or cleaning.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a connection that allows communication between components; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components, unless otherwise expressly limited. Those skilled in the art can understand the specific meaning of the above terms in this application based on the specific circumstances.

[0036] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0037] Although embodiments of this application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting this application. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this application.

Claims

1. A vehicle-mounted wastewater collection device for a rust removal vehicle (10) equipped with a frame (11) and a rust removal device, characterized in that, The vehicle-mounted wastewater collection device (20) includes: The return water tank (21) has a return water chamber for connecting to the rust removal device via a return water pipe. A vacuum blower (22) is connected to the return water tank (21). The vacuum blower (22) is used to evacuate the return water chamber so that the wastewater generated by the rust removal device enters the return water chamber under negative pressure. Mounting platform (23), the return water tank (21) and the vacuum fan (22) are both connected to the mounting platform (23), and the mounting platform (23) is used for detachable connection with the bottom of the frame (11).

2. The vehicle-mounted wastewater collection device according to claim 1, characterized in that, The vehicle-mounted wastewater collection device (20) also includes a sewage pump (24), which is connected to the inside of the return water tank (21) and is used to discharge the wastewater in the return water tank (21).

3. The vehicle-mounted wastewater collection device according to claim 2, characterized in that, The inner wall of the return water tank (21) has a high-level switch (211), a medium-level switch (212), and a low-level switch (213) arranged at intervals. The high-level switch (211), the medium-level switch (212), and the low-level switch (213) are all liquid level switches. The high-level switch (211) is used to start and stop the vacuum blower (22) based on the liquid level height it detects. The medium-level switch (212) and the low-level switch (213) are used to start and stop the sewage pump (24) based on the liquid level height they detect.

4. The vehicle-mounted wastewater collection device according to claim 3, characterized in that, The vehicle-mounted wastewater collection device (20) also includes a first driving component for driving the vacuum blower (22), wherein the first driving component is an electric motor or a hydraulic motor; And / or, The vehicle-mounted wastewater collection device (20) also includes a second drive component for driving the sewage pump (24), wherein the first drive component is an electric motor or a hydraulic motor, and the second drive component is an electric motor or a hydraulic motor.

5. The vehicle-mounted wastewater collection device according to any one of claims 1 to 4, characterized in that, The return water chamber is equipped with a filter box (214) with an inlet (2141). The filter box (214) is equipped with a filter screen. Wastewater from the rust removal device can flow through the inlet (2141) and the filter box (214) into the return water chamber.

6. The vehicle-mounted wastewater collection device according to claim 5, characterized in that, The filter box (214) has a liquid level detection switch on its inner wall. The liquid level detection switch is connected to an external reminder device and is used to activate the reminder device when the liquid level in the filter reaches a specified height.

7. The vehicle-mounted wastewater collection device according to claim 6, characterized in that, The filter box (214) has an inspection port, and an inspection door (2143) is provided on the filter box (214) at the position corresponding to the inspection port. The inspection door (2143) can rotate relative to the filter box (214) and open or close the inspection port.

8. The vehicle-mounted wastewater collection device according to claim 5, characterized in that, The filter box (214) includes a forklift structure (2145) disposed at the lower end of the filter box (214), the forklift structure (2145) having a forklift passage for forklift insertion.

9. The vehicle-mounted wastewater collection device according to any one of claims 1 to 4, characterized in that, The return water tank (21) includes a front panel (215), an observation window is provided on the front panel (215), and a door (2151) is provided on the front panel (215) corresponding to the position of the observation window. The door (2151) covers the observation window and a rubber pad is provided at the contact point between the door (2151) and the front panel (215). The door (2151) can rotate relative to the front panel (215) and open or close the observation window.

10. A rust removal vehicle, characterized in that, Includes a vehicle frame (11), a rust removal device, and a vehicle-mounted wastewater collection device (20) as described in any one of claims 1 to 9. The vehicle-mounted wastewater collection device (20) has a hinged ear plate (231) on its mounting platform (23), and the hinged ear plate (231) has a hinged hole. The vehicle frame (11) has a corresponding hinged hole. The vehicle-mounted wastewater collection device (20) is hinged to the vehicle frame (11) through the hinged ear plate (231).

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