CN218090684U - Road washing and sweeping vehicle with sewage recycling device - Google Patents

Abstract

The utility model discloses a road washing and sweeping vehicle with a sewage recycling device, wherein a clean water tank is arranged on the left side of the box body, a sewage tank is arranged on the upper middle part, a water collecting tank is arranged on the lower middle part, and a dirt tank is arranged on the right side , the suction device includes a suction pipe and a suction nozzle, the upper part of the sewage tank is provided with a sewage filter device, and the bottom is provided with a bubble generating stirring device. The dehydrator and water pump, the mud inlet of the sludge dewaterer and the bubble generating stirring device are set correspondingly, the mud outlet extends into the dirt tank and the filtrate outlet corresponds to the water collection tank, and the water pump is set at the bottom of the tank and connected to the collection tank through pipelines. Water tank and clean water tank. The utility model has the advantages of short time for adding water, long working time, reducing the frequency of sewage dumping, improving the utilization rate of the washing and sweeping vehicle, etc. The overall structure is compact in design, convenient to use and strong in practicability.

Description

A road washing and sweeping vehicle with a sewage recycling device

technical field

The utility model relates to the technical field of sanitation cleaning and sweeping vehicles, in particular to a road cleaning and sweeping vehicle with a sewage recycling device.

Background technique

With the rapid development of urbanization and the sharp improvement of environmental protection requirements, the role of cleaning vehicles in urban cleaning is becoming more and more important. Once launched into the market, road cleaning vehicles have been widely praised and favored by urban sanitation users. However, the existing cleaning vehicles have high operating costs, especially the large water consumption, the long time required to fill up the clean water tank, and the suction The sewage needs to be treated in time before it can be operated again, which has seriously affected the further promotion and use of road washing and sweeping vehicles. Sanitation companies and their sweeper manufacturers have been looking for a way to recycle and reuse sewage, so as to achieve short intervals between water additions, long operating hours, reduce the frequency of sewage dumping, and improve the utilization rate of sweeper vehicles.

At present, some companies use PE sintered membrane rods as the main filter device, but they have disadvantages such as easy aging of materials, poor corrosion resistance and easy clogging, while the central control fiber curtain membrane used in general sewage treatment plants has insufficient tensile strength, The shortcomings of low backwash pressure and large membrane flux attenuation are not suitable for use in vehicle systems.

Utility model content

The purpose of the utility model is to provide a road washing and sweeping vehicle with a sewage recycling device, which solves the above-mentioned problems in the prior art and achieves the technical effect of sewage recycling.

In order to solve the above technical problems, the utility model adopts the following technical solutions:

The utility model relates to a road washing and sweeping vehicle with a sewage recycling device, comprising a vehicle body, a box body installed on the vehicle body, a suction device, a sewage filtering device, a bubble generation stirring device and a circulation treatment device, The left side of the box is provided with a clean water tank, the middle upper part is provided with a sewage tank, the middle lower part is provided with a water collection tank, and the right side is provided with a dirt tank, and the suction device includes a device for sucking road dirt to the sewage tank The suction pipe and the suction nozzle installed at the bottom of the suction pipe for cleaning, the top of the sewage tank is provided with a spray system, the upper part is provided with the sewage filtering device, the bottom is provided with the bubble generating stirring device, and the sewage filtering device It includes a first chain conveyor belt and a second chain conveyor belt, the first chain conveyor belt is set corresponding to the top of the straw, and the second chain conveyor belt is arranged on the first chain conveyor belt At the lower right, the right end of the second chain conveyor mesh belt is set corresponding to the dirt tank, the circulation treatment device includes a sludge dewaterer and a water pump, and the sludge inlet of the sludge dewaterer is stirred with the air bubbles The device is installed correspondingly, the mud outlet extends into the dirt tank and the filtrate outlet corresponds to the water collection tank, the water pump is arranged at the bottom of the tank and one end is connected to the water collection tank through a pipeline, and the other end is connected to the water collection tank through a pipeline. The pipeline is connected with the clean water tank.

Further, the bubble generating and stirring device includes a housing, a gas inlet pipe, a first driving member and a cross-rotating bubble generating tube, the first driving member is installed in the housing, and the output end of the first driving member runs through The top wall of the housing and the bottom wall of the waste water tank are connected behind the cross-rotating air bubble generating tube, and the cross-rotating air bubble generating tube communicates with the gas inlet pipe.

Still further, the first driving member is a hydraulic pump or a hydraulic motor.

Further, both the first chain conveyor mesh belt and the second chain conveyor mesh belt have a metal mesh structure, and the length of the first chain conveyor mesh belt is greater than the length of the second chain conveyor mesh belt.

Further, a baffle plate is provided above the left side of the second chain conveyor belt to prevent dirt from entering the bottom of the waste water tank in reverse.

Further, the sludge dewatering machine is a stacked screw sludge dewatering machine.

Still further, the sludge dewatering machine is driven by a hydraulic pump, a hydraulic motor or an electric motor.

Further, the bottom of the clean water tank is provided with a first liquid level sensor, the middle of the sewage tank is provided with a second liquid level sensor, the bottom is provided with a third liquid level sensor, and the bottom of the water collection tank is provided with a fourth liquid level sensor 1. A fifth liquid level sensor is arranged at the bottom to detect changes in liquid levels in the clean water tank, the dirty water tank and the water collection tank.

Further, the sprinkler system is welded under the top plate of the waste water tank.

Further, the clean water tank, the dirty water tank, the water collection tank and the dirt tank are all separated by steel plates.

Compared with the prior art, the utility model has the beneficial technical effects:

The road washing and sweeping vehicle with sewage recycling device of the utility model can separate water from dirt by setting suction device, sewage filtering device, bubble generation stirring device and circulation treatment device, and the separated water can be reused , which solves the problem of wasting water resources, and also reduces the cost of the secondary water addition process. At the same time, the utility model can maximize the use of the space of the cleaning and sweeping vehicle, connect the fresh water tank, the sewage tank and the dirt tank, improve the operation endurance of the cleaning and sweeping vehicle to the greatest extent, save the operating cost, and it can use The spray system of the original cleaning vehicle and the original low-pressure water pump realize the multi-purpose of one pump, which further reduces the production cost; through the installation of multiple liquid level sensors, the height of each liquid level can be monitored, thereby reducing the energy consumption of the vehicle.

The road washing and sweeping vehicle with a sewage recycling device of the utility model has the advantages of short time for adding water, long working time, reducing the frequency of sewage dumping, and improving the utilization rate of the washing and sweeping vehicle. The overall structure design is compact, easy to use, and practical. powerful.

Description of drawings

The utility model will be further described below in conjunction with the accompanying drawings.

Fig. 1 is the overall structure schematic diagram of the road washing and sweeping vehicle with sewage recycling device of the present utility model;

FIG. 2 is a schematic diagram of a partially enlarged structure at point A in FIG. 1 .

Explanation of reference numerals: 1. Clean water tank; 2. Waste water tank; 3. Spray system; 4. Suction pipe; 5. First chain conveyor belt; 6. First liquid level sensor; 7. Second liquid level sensor; 8. Bubble generating stirring device; 81. First driving part; 82. Gas inlet pipe; 83. Cross rotating bubble generating pipe; 9. Water pump; 10. Second driving part; 11. Third liquid level sensor; 12. Pollution Mud dehydrator; 13. Water collection tank; 14. Fourth liquid level sensor; 15. Fifth liquid level sensor; 16. Dirt tank; 17. Second chain conveyor mesh belt.

detailed description

Embodiments of the present invention are described in detail below, examples of which are shown in the drawings, wherein the same or similar reference numerals represent the same or similar elements or elements having the same or similar functions throughout. The embodiments described below with reference to the accompanying drawings are exemplary and are only used to explain the present utility model, but should not be construed as limiting the present utility model.

In the description of the present utility model, it should be understood that the orientation or positional relationship indicated by the terms "length", "width", "inner", "outer" etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only In order to facilitate the description of the present invention and simplify the description, it does not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus should not be construed as limiting the present invention.

In the description of the present utility model, it should be noted that, unless otherwise clearly stipulated and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection or a flexible connection. Disconnected connection, or integral connection; it can be directly connected or indirectly connected through an intermediary, and it can be the internal communication of two elements or the interaction relationship between two elements. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present invention according to specific situations.

As shown in Figure 1 and Figure 2, a road washing and sweeping vehicle with a sewage recycling device includes a car body, a box body installed on the car body, a suction device, a sewage filtering device, an air bubble generation stirring device 8 and Circulation treatment device, clean water tank 1 is set on the left side of the box, sewage tank 2 is set on the middle upper part, water collecting tank 13 is set on the middle lower part, dirt tank 16 is set on the right side, and the suction device includes suctioning road dirt to sewage The suction pipe 4 of the box 2 and the suction nozzle installed at the bottom of the suction pipe 4 are used for cleaning. The top of the sewage tank 2 is provided with a spray system 3, the upper part is provided with a sewage filter device, and the bottom is provided with a bubble generation stirring device 8. The sewage filter device includes the first A chain conveying mesh belt 5 and the second chain conveying mesh belt 17, the first chain conveying mesh belt 5 is set correspondingly with the top of the suction pipe 4, the second chain conveying mesh belt 17 is arranged on the lower right side of the first chain conveying mesh belt 5, the second chain conveying mesh belt 5 The right end of the second chain conveying mesh belt 17 is set correspondingly to the dirt tank 16, and the circulation treatment device includes a sludge dewatering machine 12 and a water pump 9. into the dirt tank 16 and the filtrate outlet corresponds to the water collection tank 13, the water pump 9 is arranged at the bottom of the box and one end is connected to the water collection tank 13 through a pipeline, and the other end is connected to the clean water tank 1 through a pipeline, and the secondary Water is pumped into the clean water tank 1 by the water collecting tank 13.

Wherein, the box body is fixed on the chassis of the car body, and the suction pipe 4 runs through the chassis and the clean water tank 1 upwards and then extends into the dirty water tank 2.

In this embodiment, the bubble generating and stirring device 8 includes a casing, a gas inlet pipe 82, a first driving member 81, a cross-rotating bubble generating pipe 83, a bearing seat and a sealing gasket, and the first driving member 81 is installed in the casing. The output end of the part 81 is connected with a cross rotating bubble generating tube 83 after passing through the top wall of the shell and the bottom wall of the sewage tank 2. Drive to achieve rotation and gas generation. Wherein, the first driving member 81 is a hydraulic pump or a hydraulic motor.

And, the sewage filter device is a double-layer interlaced metal mesh structure, that is, the first chain conveyor mesh belt 5 and the second chain conveyor mesh belt 17 are all metal mesh structures, and the length of the first chain conveyor mesh belt 5 is longer than that of the second chain conveyor mesh belt. The length of the chain conveyor mesh belt 17, by setting the first chain conveyor mesh belt 5 and the second chain conveyor mesh belt 17, can filter the dirt with a diameter of more than 5mm, and the sewage in the dirt will finally enter the sewage tank after being filtered twice 2 within. In order to prevent the dirt from entering the waste water tank 2 due to inertia when the vehicle is braking, a baffle plate is arranged on the left upper side of the second chain conveyor belt 17 .

Wherein, the sludge dewatering machine 12 may be a stacked screw sludge dewatering machine, and the sludge dewatering machine 12 is driven by a hydraulic pump, a hydraulic motor or an electric motor.

In this embodiment, a first liquid level sensor 6 is provided at the bottom of the clean water tank 1, a second liquid level sensor 7 is provided at the middle of the dirty water tank 2, a third liquid level sensor 11 is provided at the bottom, and a fourth liquid level sensor 11 is provided at the bottom of the water collection tank 13. The fifth liquid level sensor 15 is arranged at the bottom of the liquid level sensor 14 to detect the liquid level changes in the clean water tank 1 , the dirty water tank 2 and the water collection tank 13 .

At the same time, the sprinkler system 3 is welded under the top plate of the sewage tank 2 to improve the connection stability.

In this embodiment, the clean water tank 1, the dirty water tank 2, the water collecting tank 13 and the dirt tank 16 are all separated by steel plates.

When the road washing and sweeping vehicle with the sewage recycling device of the present embodiment is in use, the specific operation steps are as follows:

Step 1: Before the road washing and sweeping vehicle starts, fill the clean water tank 1 with clean water;

Step 2: During the operation of the road washing and sweeping vehicle, the dirt on the road surface enters the sewage tank 2 in the box body through the suction pipe 4, and the dirt first passes through the first chain conveying mesh belt 5 of the sewage filtering device to remove the large diameter greater than 5mm. Particle dirt stays on the first chain conveyor net belt 5, wherein, the second chain conveyor net belt 17 and the first chain conveyor net belt 5 are synchronous belts, and the first chain conveyor net belt 5 is controlled by the controller every 3min. Automatically start to transfer the large particles of dirt and residual sewage to the second chain conveyor belt 17, and the second chain conveyor belt 17 sends the dirt into the dirt box 16 after secondary filtration;

Step 3: The middle part of the sewage tank 2 is provided with a second liquid level sensor 7, and the bottom is provided with a third liquid level sensor 11. When the sewage liquid level exceeds the second liquid level sensor 7, the second driving part 10 drives the sludge dehydrator 12 After working for 10 seconds, the first driving part 81 works again. The first driving part 81 drives the cross-rotating bubble generating tube 83 of the bubble generating and stirring device 8 to blow up the settled sludge, and then the sludge enters the sludge dehydrator 12. The sludge dewatering machine 12 divides the sludge into sludge and secondary water. The sludge enters the dirt tank 16 and the secondary water enters the water collection tank 13. When the liquid level of the sewage tank 2 is lower than the third liquid level sensor 11 , the first driver 81 and the second driver 10 stop working simultaneously;

Step 4: When the liquid level of the secondary water in the water collection tank 13 exceeds the fourth liquid level sensor 14, the water pump 9 starts to work to pump the secondary water from the water collection tank 13 into the clean water tank 1, and when the liquid in the water collection tank 13 When the surface is lower than the fifth liquid level sensor 15, the water pump 9 stops working;

Step 5: When the liquid level in the clean water tank 1 is lower than the first liquid level sensor 6, an alarm is issued to remind that water needs to be added;

Step 6: After the work is completed, the sewage tank 2 can be sprayed with the spray system 3 to prevent the residual sediment from hanging on the wall and affecting its reuse.

The road washing and sweeping vehicle with sewage recycling device of the utility model can separate water from dirt by setting suction device, sewage filtering device, bubble generation stirring device and circulation treatment device, and the separated water can be reused , which solves the problem of wasting water resources, and also reduces the cost of the secondary water addition process. At the same time, the road washing and sweeping vehicle with sewage recycling device of the utility model has the advantages of short time for adding water, long working time, reducing the frequency of sewage dumping, and improving the utilization rate of the washing and sweeping vehicle. The overall structure is compact in design and easy to use. Strong practicality.

The above-mentioned embodiment is only to describe the preferred mode of the present utility model, not to limit the scope of the present utility model. The various deformations and improvements mentioned above should all fall within the scope of protection determined by the claims of the present utility model.

Claims (10)

1. A road washing and sweeping vehicle with a sewage recycling device, characterized in that: it comprises a car body, a casing mounted on the car body, a suction device, a sewage filtering device, an air bubble generation stirring device and a circulation treatment device, the left side of the box is provided with a clean water tank, the upper middle part is provided with a sewage tank, the middle lower part is provided with a water collection tank, and the right side is provided with a dirt tank, and the suction device includes suctioning road dirt to the sewage The suction pipe of the tank and the suction nozzle installed at the bottom of the suction pipe for cleaning, the top of the sewage tank is provided with a spray system, the upper part is provided with the sewage filtering device, and the bottom is provided with the bubble generating and stirring device. The filter device includes a first chain conveyor belt and a second chain conveyor belt, the first chain conveyor belt is set corresponding to the top of the suction pipe, and the second chain conveyor belt is arranged on the first chain conveyor belt. At the bottom right of the belt, the right end of the second chain conveying mesh belt is set corresponding to the dirt tank, the circulation treatment device includes a sludge dehydrator and a water pump, and the sludge inlet of the sludge dewaterer is connected to the air bubble The stirring device is installed correspondingly, the mud outlet extends into the dirt tank and the filtrate outlet corresponds to the water collection tank, the water pump is arranged at the bottom of the tank and one end is connected to the water collection tank through a pipeline, and the other One end is connected with the clean water tank through a pipeline. 2. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, characterized in that: the bubble generating and stirring device includes a casing, a gas inlet pipe, a first driving member and a cross-rotating bubble generating pipe , the first driving member is installed in the housing, the output end of the first driving member passes through the top wall of the housing and the bottom wall of the waste water tank and is connected with the cross-rotating air bubble generating tube, and the cross-rotating The bubble generating tube communicates with the gas inlet tube. 3. A road washing and sweeping vehicle with a sewage recycling device according to claim 2, wherein the first driving member is a hydraulic pump or a hydraulic motor. 4. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, characterized in that: the first chain conveyor mesh belt and the second chain conveyor mesh belt are metal mesh structures , and the length of the first chain conveyor mesh belt is greater than the length of the second chain conveyor mesh belt. 5. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, characterized in that: on the upper left side of the second chain conveyor mesh belt is provided with a The baffle at the bottom of the waste water tank. 6. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, wherein the sludge dewatering machine is a screw stacking sludge dewatering machine. 7. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, wherein the sludge dewatering machine is driven by a hydraulic pump, a hydraulic motor or an electric motor. 8. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, characterized in that: the bottom of the clean water tank is provided with a first liquid level sensor, and the middle of the sewage tank is provided with a second liquid level sensor. A level sensor, a third liquid level sensor is provided at the bottom, a fourth liquid level sensor is provided at the bottom of the water collection tank, and a fifth liquid level sensor is provided at the bottom to detect the clean water tank, the dirty water tank and the water collection tank changes in the liquid level. 9. A road washing and sweeping vehicle with a sewage recycling device according to claim 1, wherein the spray system is welded below the top plate of the sewage tank. 10. A road washing and sweeping vehicle with a sewage recycling device according to any one of claims 1-9, characterized in that: the clean water tank, the dirty water tank, the water collecting tank and the The dirt boxes are separated by steel plates.

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