A high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism

Abstract

The utility model discloses a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism, comprising a vehicle body, a carriage being provided on one side of the vehicle body, a cleaning water tank being installed on one side of an inner wall of the carriage, a high-pressure plunger pump being installed on a side of the inner wall of the carriage close to the cleaning water tank, a sewage bunker being installed on the other side of the inner wall of the carriage, a filtering treatment mechanism being installed on a side of the interior of the carriage close to the sewage bunker, a centrifugal treatment mechanism being installed on a side of the interior of the carriage close to the filtering treatment mechanism, a membrane separation treatment mechanism being installed on a side of the interior of the carriage close to the centrifugal treatment mechanism, the filtering treatment mechanism comprising a screening box, a first filter screen, a second filter screen and an activated carbon mesh frame being clamped on the inner wall of the screening box, a first water pump being installed on the bottom of the inner wall of the screening box. The utility model relates to a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism, which can realize efficient purification and reuse of sewage in a vehicle-mounted environment, can extend the operation time of the high-pressure cleaning vehicle, save water resources and reduce sewage discharge.

Description

Technical Field

[0001] The utility model relates to the field of high-pressure cleaning vehicles, in particular to a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism. Background Art

[0002] At present, there are about 30,000 high-pressure cleaning vehicles on the market, and these high-pressure cleaning vehicles are basically operated every day at various stations of urban sanitation departments in various places. Generally speaking, when the load capacity of a high-pressure cleaning vehicle reaches 18 tons, it must be equipped with a 7-8 cubic meter clean water tank and a 7-8 cubic meter sewage tank. After one hour of normal operation, the clean water will all turn into sewage. At this time, the vehicle must return to the sanitation station, empty the sewage, refill with clean water, and start again.

[0003] The large number of high-pressure cleaning vehicles, which are not equipped with effective water treatment systems, have seriously affected their operating efficiency. The daily water consumption alone is as high as 200,000 to 300,000 cubic meters, and a corresponding amount of sewage is discharged, seriously wasting water resources. Utility Model Content

[0004] The purpose of the utility model is to provide a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism, comprising a vehicle body, a carriage is provided on one side of the vehicle body, a cleaning water tank is installed on one side of the inner wall of the carriage, a high-pressure plunger pump is installed on the side of the inner wall of the carriage close to the cleaning water tank, a sewage bin is installed on the other side of the inner wall of the carriage, a gravity sedimentation tank is installed inside the sewage bin, a filtering treatment mechanism is installed on the side of the interior of the carriage close to the sewage bin, a centrifugal treatment mechanism is installed on the side of the interior of the carriage close to the filtering treatment mechanism, and the carriage A membrane separation treatment mechanism is installed on the side of the interior close to the centrifugal treatment mechanism, and the filtration treatment mechanism includes a screening box, a first filter screen clamped on the inner wall of the screening box, a second filter screen and an activated carbon mesh frame, and a first water pump is installed at the bottom of the inner wall of the screening box. The centrifugal treatment mechanism includes an installation box and a cyclone separator installed inside the installation box, and the membrane separation treatment mechanism includes a separation box, an inorganic diaphragm and an ultrafiltration membrane clamped inside the separation box, and a second water pump is installed at the bottom of the inner wall of the separation box. A sewage absorption pump is installed on the top of the inner wall of the carriage close to the sewage tank.

[0006] Preferably, the input end of the high-pressure plunger pump is connected to the bottom of the cleaning water tank, and the output end of the high-pressure plunger pump is connected to a cleaning pipe, and a flushing nozzle is provided at one end of the cleaning pipe.

[0007] Preferably, the input end of the sewage absorption pump is connected to a pumping pipe, the output end of the sewage absorption pump is connected to the interior of the sewage tank, the top of one side of the gravity sedimentation tank is connected to an overflow pipe, and one end of the overflow pipe is connected to the top of the screening box.

[0008] Preferably, the first filter screen, the second filter screen and the activated carbon mesh frame are arranged from top to bottom, the pore size of the first filter screen is larger than the pore size of the second filter screen, the interior of the activated carbon mesh frame is filled with activated carbon, the output end of the first water pump is connected to the guide pipe, and one end of the guide pipe is connected to the input end of the cyclone separator, and the front side of the filtration treatment mechanism and the front side of the membrane separation treatment mechanism are both provided with sealing plates.

[0009] Preferably, a drain pipe is provided on the top of the cyclone separator, one end of which is connected to the top of the separation box, the inorganic membrane and the ultrafiltration membrane are arranged from top to bottom, and the output end of the second water pump is connected to a water pipe, which is connected to the top of the cleaning water tank.

[0010] Compared with the prior art, the beneficial effects of the utility model are:

[0011] When collecting sewage, the sewage from the outside can be absorbed into the sewage tank through the sewage absorption pump, and the sewage enters the gravity sedimentation tank inside the sewage tank for gravity sedimentation. After gravity separation, the sewage enters the filtration treatment mechanism, centrifugal treatment mechanism and membrane separation treatment mechanism in turn for treatment, completing the multi-stage treatment of sewage to meet the particle size requirements of the cleaning pipe. The entire high-pressure cleaning vehicle adopts gravity separation, filtration screening, centrifugal separation and membrane separation to effectively remove impurities from sewage and separate pollutants of different particle sizes. The decontamination effect is good, thereby improving the utilization rate of water resources, and realizing efficient purification and reuse of sewage in a vehicle-mounted environment, which can extend the operation time of the high-pressure cleaning vehicle, save water resources and reduce the amount of sewage discharged. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model;

[0013] Figure 2 This is a structural diagram of the sewage tank of the utility model;

[0014] Figure 3 This is a structural diagram of the filtration processing mechanism of the utility model;

[0015] Figure 4 This is a structural diagram of the centrifugal processing mechanism of the utility model;

[0016] Figure 5 It is a structural diagram of the membrane separation treatment mechanism of the utility model.

[0017] In the figure: 1. vehicle body; 2. carriage; 3. cleaning water tank; 4. high-pressure plunger pump; 5. cleaning pipe; 6. sewage tank; 7. filtration treatment mechanism; 8. centrifugal treatment mechanism; 9. membrane separation treatment mechanism; 10. sewage absorption pump; 11. gravity sedimentation tank; 12. overflow pipe; 13. screening box; 14. first filter screen; 15. second filter screen; 16. activated carbon mesh frame; 17. first water pump; 18. guide pipe; 19. installation box; 20. cyclone separator; 21. drainage pipe; 22. separation box; 23. inorganic diaphragm; 24. ultrafiltration membrane; 25. second water pump; 26. sealing plate. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0019] See also Figure 1-5 The utility model provides a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism, including a vehicle body 1, a carriage 2 is provided on one side of the vehicle body 1, a cleaning water tank 3 is installed on one side of the inner wall of the carriage 2, a high-pressure plunger pump 4 is installed on the side of the inner wall of the carriage 2 close to the cleaning water tank 3, a sewage bin 6 is installed on the other side of the inner wall of the carriage 2, a gravity sedimentation tank 11 is installed inside the sewage bin 6, a filtering treatment mechanism 7 is installed on the side of the carriage 2 close to the sewage bin 6, a centrifugal treatment mechanism 8 is installed on the side of the carriage 2 close to the filtering treatment mechanism 7, a membrane separation treatment mechanism 9 is installed on the side of the carriage 2 close to the centrifugal treatment mechanism 8, the filtering treatment mechanism 7 includes a screening box 13, a filter box 13 connected to the ... The first filter screen 14, the second filter screen 15 and the activated carbon mesh frame 16 are arranged on the inner wall of the box 13, a first water pump 17 is installed at the bottom of the inner wall of the screening box 13, the centrifugal treatment mechanism 8 includes a mounting box 19 and a cyclone separator 20 installed inside the mounting box 19, the membrane separation treatment mechanism 9 includes a separation box 22, an inorganic diaphragm 23 and an ultrafiltration membrane 24 clamped inside the separation box 22, a second water pump 25 is installed at the bottom of the inner wall of the separation box 22, a sewage absorption pump 10 is installed at the top of the inner wall of the carriage 2 near the sewage tank 6, the input end of the high-pressure plunger pump 4 is connected to the bottom of the cleaning water tank 3, the output end of the high-pressure plunger pump 4 is connected to the cleaning pipe 5, and a flushing nozzle is provided at one end of the cleaning pipe 5;

[0020] In this embodiment, the cleaning water tank 3 is filled with cleaning water. During use, the vehicle body 1 is moved to a designated area, and relevant personnel pull out the cleaning pipe 5 and start the high-pressure plunger pump 4 to pump out the water inside the cleaning water tank 3 and spray it out at high pressure for cleaning.

[0021] See also Figure 1-2 The input end of the sewage absorption pump 10 is connected with a pumping pipe, the output end of the sewage absorption pump 10 is connected with the interior of the sewage tank 6, the top of one side of the gravity sedimentation tank 11 is connected with an overflow pipe 12, one end of the overflow pipe 12 is connected with the top of the screening box 13, and the bottom of the sewage tank 6 and the bottom of the cleaning water tank 3 are both provided with drain valves;

[0022] In this embodiment, the sewage from the outside can be absorbed into the sewage tank 6 through the sewage absorption pump 10, and the sewage enters the gravity sedimentation tank 11 inside the sewage tank 6 for gravity sedimentation. Larger and heavier impurities will sink to the bottom of the gravity sedimentation tank 11 under the action of gravity, completing gravity separation.

[0023] See also Figure 1 and Figure 3 , a first filter screen 14, a second filter screen 15 and an activated carbon mesh frame 16 are arranged from top to bottom, the aperture of the first filter screen 14 is larger than the aperture of the second filter screen 15, the interior of the activated carbon mesh frame 16 is filled with activated carbon, the output end of the first water pump 17 is connected to the guide pipe 18, and one end of the guide pipe 18 is connected to the input end of the cyclone separator 20, and the front of the filtration treatment mechanism 7 and the front of the membrane separation treatment mechanism 9 are both provided with a sealing plate 26;

[0024] In this embodiment, after the sewage enters the screening box 13, it is filtered in turn through the first filter screen 14 and the second filter screen 15. The first filter screen 14 and the second filter screen 15 are both activated carbon filters. After double filtration, they are adsorbed and removed when passing through the activated carbon mesh frame 16. The first filter screen 14, the second filter screen 15 and the activated carbon mesh frame 16 can be disassembled to facilitate later cleaning.

[0025] See also Figure 1 , Figure 4 and Figure 5 A drain pipe 21 is provided at the top of the cyclone separator 20, one end of which is connected to the top of the separation box 22, the inorganic membrane 23 and the ultrafiltration membrane 24 are arranged from top to bottom, and the output end of the second water pump 25 is connected to a water guide pipe, which is connected to the top of the cleaning water tank 3;

[0026] In this embodiment, the first water pump 17 is started to pump the filtered and screened sewage in the screening box 13 into the cyclone separator 20 of the centrifugal treatment mechanism 8, and centrifugal treatment can be performed through the cyclone separator 20 to complete solid-liquid separation. The liquid after centrifugal separation enters the separation box 22 of the membrane separation treatment mechanism 9, and is finely filtered in sequence through the inorganic membrane 23 and the ultrafiltration membrane 24. Starting the second water pump 25 can pump the purified water into the cleaning water tank 3.

[0027] When in use, the utility model is a high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism. The cleaning water tank 3 is filled with cleaning water. During use, the vehicle body 1 is moved to a designated area, and relevant personnel pull out the cleaning pipe 5 and start the high-pressure plunger pump 4 to pump out the water in the cleaning water tank 3 and spray it out at high pressure for cleaning. When collecting sewage, the input end of the sewage absorption pump 10 is connected to the sewage. The sewage from the outside can be absorbed into the sewage tank 6 through the sewage absorption pump 10. The sewage enters the gravity sedimentation tank 11 inside the sewage tank 6 for gravity sedimentation. Larger and heavier impurities will sink to the bottom of the gravity sedimentation tank 11 under the action of gravity. The water above will be drained to the screening box 13 of the filtering treatment mechanism 7. After the sewage enters the screening box 13, it is filtered through the first filter screen 14 and the second filter screen 15 in turn. The first filter screen 14 and the second filter screen 15 are both activated carbon filters. After double filtration, it will be adsorbed and impurities will be removed when passing through the activated carbon mesh frame 16. Then the first water pump 17 is started. The sewage filtered and screened inside the screening box 13 is pumped into the cyclone separator 20 of the centrifugal treatment mechanism 8, and can be centrifugally treated through the cyclone separator 20 to complete solid-liquid separation. The liquid after centrifugal separation enters the separation box 22 of the membrane separation treatment mechanism 9, and is finely filtered in sequence through the inorganic diaphragm 23 and the ultrafiltration membrane 24 to remove fine impurities in the sewage, thereby completing the multi-stage treatment of the sewage to meet the particle size requirements of the cleaning pipe 5. The first filter screen 14, the second filter screen 15, the activated carbon mesh frame 16, the inorganic diaphragm 23 and the ultrafiltration membrane 24 can be disassembled and set, which is convenient for later cleaning, and finally enters the cleaning water tank 3 for reuse. The entire high-pressure cleaning vehicle adopts gravity separation, filtration and screening, centrifugal separation and membrane separation to effectively remove impurities from the sewage, separate pollutants of different particle sizes, and have a good decontamination effect, thereby improving the utilization rate of water resources, realizing efficient purification and reuse of sewage in a vehicle-mounted environment, and extending the operation time of the high-pressure cleaning vehicle, saving water resources, and reducing the amount of sewage discharged.

[0028] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism, comprising a vehicle body (1), characterized in that: A carriage (2) is provided on one side of the vehicle body (1); a cleaning water tank (3) is installed on one side of the inner wall of the carriage (2); a high-pressure plunger pump (4) is installed on the side of the inner wall of the carriage (2) close to the cleaning water tank (3); a sewage tank (6) is installed on the other side of the inner wall of the carriage (2); a gravity sedimentation tank (11) is installed inside the sewage tank (6); a filtering treatment mechanism (7) is installed on the side of the carriage (2) close to the sewage tank (6); a centrifugal treatment mechanism (8) is installed on the side of the carriage (2) close to the filtering treatment mechanism (7); a membrane separation treatment mechanism (9) is installed on the side of the carriage (2) close to the centrifugal treatment mechanism (8); the filtering treatment mechanism (7) is installed on the side of the carriage (2) close to the centrifugal treatment mechanism (8); ) comprises a screening box (13), a first filter screen (14) clamped on the inner wall of the screening box (13), a second filter screen (15) and an activated carbon frame (16); a first water pump (17) is installed at the bottom of the inner wall of the screening box (13); the centrifugal treatment mechanism (8) comprises a mounting box (19) and a cyclone separator (20) installed inside the mounting box (19); the membrane separation treatment mechanism (9) comprises a separation box (22), an inorganic membrane (23) clamped on the inside of the separation box (22) and an ultrafiltration membrane (24); a second water pump (25) is installed at the bottom of the inner wall of the separation box (22); and a sewage absorption pump (10) is installed at the top of the inner wall of the carriage (2) close to the sewage tank (6).

2. A high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: The input end of the high-pressure plunger pump (4) is connected to the bottom of the cleaning water tank (3), and the output end of the high-pressure plunger pump (4) is connected to a cleaning pipe (5), and a flushing nozzle is provided at one end of the cleaning pipe (5).

3. A high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: The input end of the sewage absorption pump (10) is connected to a pumping pipe, and the output end of the sewage absorption pump (10) is connected to the interior of the sewage tank (6).

4. The high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: The top of one side of the gravity sedimentation tank (11) is connected to an overflow pipe (12), and one end of the overflow pipe (12) is connected to the top of the screening box (13).

5. The high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: The first filter screen (14), the second filter screen (15) and the activated carbon frame (16) are arranged from top to bottom, the aperture of the first filter screen (14) is larger than the aperture of the second filter screen (15), the interior of the activated carbon frame (16) is filled with activated carbon, the output end of the first water pump (17) is connected to the guide pipe (18), and one end of the guide pipe (18) is connected to the input end of the cyclone separator (20), and the front of the filtering treatment mechanism (7) and the front of the membrane separation treatment mechanism (9) are both provided with a sealing plate (26).

6. The high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: A liquid discharge pipe (21) is provided at the top of the cyclone separator (20), and one end of the liquid discharge pipe (21) is communicated with the top of the separation box (22).

7. The high-pressure cleaning vehicle with a multi-stage sewage treatment mechanism according to claim 1, characterized in that: The inorganic membrane (23) and the ultrafiltration membrane (24) are arranged from top to bottom, and the output end of the second water pump (25) is connected to a water pipe, and the water pipe is connected to the top of the cleaning water tank (3).

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