CN218932972U - Dry-wet separation device and wet road sweeper - Google Patents

Abstract

The utility model discloses a dry-wet separation device, which comprises a box body, a squeezing plate arranged in the box body, a driving mechanism for driving the squeezing plate to reciprocate, and a water pumping mechanism, wherein the water pumping mechanism comprises a water suction hose, a water pump and a water outlet pipe, the first end of the water suction hose is fixedly connected with the squeezing plate, the water pump is connected with the second end of the water suction hose, the water outlet pipe is connected with the water pump, and a filtering mechanism for filtering impurities is arranged at the first end of the water suction hose; the utility model also discloses a wet road sweeper. When the extruding plate is pressed down, the water pumping mechanism pumps the liquid in the box body, the liquid in the box body is filtered by the water pumping mechanism and is conveyed into the water tank for recycling, and when the extruding plate is suspended, the filtering mechanism is in a suspended state; when the extrusion plate is pressed down, garbage can be blocked, the filtering mechanism absorbs water on the upper layer of sewage, sediment in the garbage can not block the filtering mechanism, manual cleaning is not needed, and the working strength of sanitation workers can be reduced.

Description

Dry-wet separation device and wet road sweeper

Technical Field

The utility model relates to the technical field of road sweeper, in particular to a dry-wet separation device. In addition, the utility model also relates to a wet road sweeper comprising the dry-wet separation device.

Background

Along with the development of urban process in China, the demands of road sweeper are gradually increased. When the existing road sweeper works, garbage and sewage on the ground are sucked into the dustbin through flow and negative pressure generated by the fan, so that a lot of sewage is filled in the dustbin, and according to related requirements of environmental protection, the sewage cannot be directly discharged at a garbage station, so that the problem of sewage treatment in the dustbin has become a pain point problem of development of the road sweeper.

When the dustbin of the existing road sweeper carries out dry-wet separation on garbage, a drain pipe with a filter screen is arranged at the bottom of the dustbin, and before dumping the garbage, sewage is discharged through the drain pipe, so that the garbage dry-wet separation mode has the following problems:

1. the sewage is discharged before the garbage is poured, the filter screen is easy to be blocked, so that sewage cannot be discharged, the filter screen is required to be cleaned frequently, and the working strength is increased for sanitation workers;

2. the sewage is not fully utilized.

Disclosure of Invention

The utility model provides a dry-wet separation device and a wet road sweeper, which are used for solving the technical problems that when the existing road sweeper performs dry-wet separation through a drain pipe with a filter screen, the filter screen is easy to block, the manual cleaning of the filter screen is strong, and sewage is not fully utilized.

According to one aspect of the utility model, there is provided a wet-dry separation device comprising a box, a squeezing plate arranged in the box, a driving mechanism for driving the squeezing plate to reciprocate, and a pumping mechanism for pumping liquid, wherein the pumping mechanism comprises a water suction hose with a first end fixedly connected with the squeezing plate, a water pump connected with a second end of the water suction hose, and a water outlet pipe connected with the water pump and used for discharging liquid into a water tank, and a filtering mechanism for filtering impurities is arranged on the first end of the water suction hose.

Further, water seepage holes are distributed on the extrusion plate.

Further, a sensing device for detecting the liquid level is arranged on the extruding plate or the filtering mechanism, and when the liquid level detected by the sensing device exceeds the preset height, the water pump is started to pump the liquid in the box.

Further, the dry-wet separation device further comprises a heating mechanism which is arranged on the box body and used for heating and evaporating the liquid in the box body, and the box body is provided with an exhaust hole for exhausting water vapor.

Further, the heating mechanism comprises a heating plate arranged on the side wall and/or the bottom surface of the box body and a power supply circuit for supplying power to the heating plate.

Further, the dry-wet separation device also comprises a fan for extracting water vapor, and the fan is communicated with the exhaust hole through an air passage.

Further, the air passage is in communication with the water tank.

Further, a filter screen is arranged in the air passage and/or the exhaust hole.

According to another aspect of the utility model, there is further provided a wet road sweeper, which comprises a vehicle body, a suction nozzle connecting pipe and the dry-wet separation device, wherein the dry-wet separation device is arranged on the vehicle body, and the suction nozzle is communicated with the box body through the suction nozzle connecting pipe.

Further, the wet road sweeper further comprises a water path system for supplying water for wet cleaning, and the water tank is communicated with the water path system.

The utility model has the following beneficial effects:

when the dry-wet separation device is used, the box body is used as a dustbin for carrying out dry-wet separation on garbage, the driving mechanism drives the extrusion plate to extrude the garbage in the box body, most of sewage generated in the extrusion process overflows from extrusion positions, and the other part overflows from loose garbage areas and garbage clearance areas, the inlet end of the water suction hose is arranged on the extrusion plate, the water pump is started to directly pump out the sewage generated by extrusion in the box body while the extrusion plate extrudes the garbage, the sewage in the box body is filtered by the filtering mechanism on the water suction hose and is conveyed into the water tank, and on one hand, when the extrusion plate is suspended in the box body, the inlet end of the water suction hose is in a suspended state, so that the problem that the garbage blocks the inlet of the water suction hose and cannot fall off can be avoided; on the other hand, when the extrusion plate is pressed down, garbage and the water suction hose can be blocked, the water suction hose absorbs water on the upper layer of sewage, the filtering mechanism can block floaters in the sewage and filter the sewage, meanwhile, due to the adoption of the water suction hose, the water suction hose can be self-adaptively deformed in a telescopic way and in a bending way when the extrusion plate reciprocates, and the floaters can fall out of the water suction hose and fall back into the box body due to self gravity; the water filtered by the filtering mechanism enters the water tank and can be used for wet cleaning and recycling of the road sweeper, so that the waste of water resources is avoided.

In addition to the objects, features and advantages described above, the present utility model has other objects, features and advantages. The present utility model will be described in further detail with reference to the drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:

FIG. 1 is a schematic view of the structure of a dry-wet separating apparatus according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view showing the structure of a squeeze plate according to a preferred embodiment of the present utility model;

FIG. 3 is a schematic view of the drive mechanism of the preferred embodiment of the present utility model;

fig. 4 is a schematic structural view of a heating mechanism according to a preferred embodiment of the present utility model.

Legend description:

1. a case; 11. an exhaust hole; 2. an extrusion plate; 21. water seepage holes; 3. a driving mechanism; 4. a water pumping mechanism; 41. a water suction hose; 42. a water pump; 43. a water outlet pipe; 5. a water tank; 51. a drain pipe; 6. a sensing device; 7. a heating mechanism; 71. a heating plate; 72. a power supply line; 8. a blower; 81. an airway; 82. a filter screen; 9. a suction nozzle; 91. the suction nozzle takes over.

Detailed Description

Embodiments of the utility model are described in detail below with reference to the attached drawing figures, but the utility model can be practiced in a number of different ways, as defined and covered below.

As shown in fig. 1, the dry-wet separation device of the present embodiment includes a case 1, a squeezing plate 2 disposed in the case 1, a driving mechanism 3 for driving the squeezing plate 2 to reciprocate, and a pumping mechanism 4 for pumping out liquid, wherein the pumping mechanism 4 includes a water suction hose 41 having a first end fixedly connected with the squeezing plate 2, a water pump 42 connected with a second end of the water suction hose 41, and a water outlet pipe 43 connected with the water pump 42 for discharging the liquid into the water tank 5, and a filtering mechanism for filtering impurities is provided on the first end of the water suction hose 41.

When the garbage can is used, the can body 1 is used as a garbage can for dry-wet separation of garbage, the driving mechanism 3 drives the extrusion plate 2 to extrude the garbage in the can body 1, most of sewage generated in the extrusion process overflows from extrusion positions, and the other part overflows from loose garbage areas and garbage clearance areas, the inlet end of the water suction hose 41 is arranged on the extrusion plate, the water pump 42 is started to directly pump out the sewage in the can body 1 when the extrusion plate 2 is pressed down, the sewage in the can body 1 is filtered by the filtering mechanism on the water suction hose 41 and is conveyed into the water tank 5, and on one hand, when the extrusion plate 2 is suspended in the can body 1, the inlet end of the water suction hose 41 is in a suspended state, and the water suction hose 41 can be prevented from being blocked by garbage; on the other hand, when the extruding plate 2 is pressed down, garbage and the water suction hose 41 can be blocked, when the water suction hose 41 absorbs water at the upper layer of sewage, the filtering mechanism can block floating matters in the sewage and filter the sewage, and as the water suction hose is adopted, the water suction hose can be self-adaptively deformed in a telescopic way and in a bending way when the extruding plate reciprocates, so that the floating matters can be separated from the water suction hose and fall back into the box body due to self gravity; the water filtered by the filtering mechanism enters the water tank 5 and can be used for wet cleaning and recycling of the road sweeper, so that the waste of water resources is avoided. Optionally, the filtering mechanism is a filtering head which is arranged at the pipe orifice of the water suction hose 41 and used for blocking floaters, the filtering head is of a cylindrical structure, one end of the filtering head is connected with the water suction hose 41, the other end of the filtering head is provided with a protective net cover used for blocking floaters, and a filtering plate, a filtering net or a filtering membrane used for filtering impurities is arranged in the filtering head. Optionally, the filter arrangement is arranged on a vertical section of the suction hose 41 above the tank 1 to facilitate the settling of the sediment back into the tank 1. Optionally, set up four actuating mechanism 3 on the box 1, the expansion end of four actuating mechanism 3 respectively with stripper plate 2 fixed connection, can guarantee the stability of stripper plate 2, avoid stripper plate 2 atress uneven and lead to stripper plate 2 and the junction deformation or the fracture of actuating mechanism 3 expansion end when the extrusion. Alternatively, the driving mechanism 3 may be one, two, three or more. Alternatively, the drive mechanism is a pneumatic cylinder, hydraulic cylinder or motor driven rack and pinion mechanism.

As shown in fig. 2, in this embodiment, the squeezing plate 2 is provided with water seepage holes 21; the drive mechanism 3 drives the squeeze plate 2 to move downwards, the squeeze plate 2 compacts the garbage in the box body 1 on one hand, and on the other hand filters sewage through the water seepage holes 21, so that on the one hand, the water adsorbed on the garbage can fully overflow, and on the other hand, the water absorption hose 41 can be prevented from being blocked.

As shown in fig. 3, in this embodiment, a sensing device 6 for detecting the liquid level is disposed on the squeeze plate 2, the driving mechanism 3 drives the squeeze plate 2 to compact garbage downward, the sensing device 6 moves downward along with the squeeze plate 2, and detects the liquid level in the tank 1, and when the liquid level detected by the sensing device 6 exceeds a preset height, the water pump 42 is turned on to pump the liquid in the tank 1; the sensor device 6 is arranged on the back surface of the extrusion plate 2, so that the sensor device 6 can be prevented from being damaged by garbage. Optionally, the sensing device 6 is a liquid level sensor, and when the liquid level detected by the liquid level sensor reaches a preset height, the liquid level sensor transmits a signal to the water pump 42, so that the water pump 42 pumps water out of the tank 1. Alternatively, the sensing means 6 are arranged on the filtering means, which also enable the liquid to be pumped away from the tank 1 while the squeeze plate 2 is compacting the solid-liquid mixture.

As shown in fig. 1 and 4, in this embodiment, the dry-wet separation device further includes a heating mechanism 7 disposed on the tank 1 for heating sewage evaporating the tank 1, and the tank 1 is provided with an exhaust hole 11 for exhausting water vapor. When the heating plate 71 is operated, the fan 8 is operated, water in the tank 1 is changed into steam by the heating plate 71, and the steam is discharged out of the tank 1 through the exhaust hole 11. Optionally, the heating plate 71 is disposed on the outer sidewall of the case 1, so that the heating plate 71 can be prevented from directly contacting with water, on the one hand, electric leakage is avoided, and on the other hand, the processing is convenient. Alternatively, the heat generating plate 71 may be replaced with a heating wire.

As shown in fig. 1 and 4, in the present embodiment, the heating mechanism 7 includes a heating plate 71 disposed on a side wall and/or a bottom surface of the case 1, and a power supply line 72 for supplying power to the heating plate 71. Alternatively, the water tank 5 is closely attached to the tank body 1, and the heating plate 71 is not provided on the surface of the tank body 1 closely attached to the water tank 5. Optionally, the water tank 5 is closely attached to the tank body 1, and a heat insulation layer is arranged between the tank body 1 and the water tank 5, so that on one hand, evaporation caused by heat absorption of water in the water tank 5 is avoided, and on the other hand, heat transferred to the water tank 5 is reduced, the temperature rising speed of the tank body 1 can be improved, and evaporation of water in the tank body 1 is accelerated. Optionally, when the water tank 5 and the tank 1 are arranged at intervals, the side wall and the bottom surface of the tank 1 are provided with heating plates 71 so as to increase the temperature rising speed of the tank 1 and accelerate the evaporation of water in the tank 1.

As shown in fig. 1 and 4, in this embodiment, the dry-wet separation device further includes a fan 8 for extracting water vapor from the tank 1, where the fan 8 is communicated with the exhaust hole 11 through an air passage 81, and the position of the exhaust hole 11 is arranged at the upper end of the tank 1 to ensure that the exhaust hole 11 is higher than the liquid level, and avoid the sewage flowing out from the exhaust hole 11. When the heating mechanism 7 works, the fan 8 works, water in the box body 1 is heated to become water vapor, and the water vapor is pumped out of the box body 1 through the fan 8.

In this embodiment, as shown in fig. 1 and 4, the air passage 81 is communicated with the water tank 5, when the fan 8 works, water vapor is brought into the water tank 5 along with the air flow, part of the water vapor is cooled in the water tank 5, liquefied water drops into the water tank 5 for recycling, and non-liquefied water vapor flows out of the water tank 5 along with the air flow and is discharged by the fan 8.

As shown in fig. 1, in this embodiment, a filter screen 82 is disposed in the air passage 81 and/or the exhaust hole 11; the filter screen 82 can block the garbage scraps and splashed garbage fragments, and the fan 8 is prevented from being damaged.

The wet road sweeper of this embodiment includes automobile body, suction nozzle 9 and suction nozzle take over 91, still includes foretell dry wet separator, and dry wet separator installs on the automobile body, and suction nozzle 9 communicates with box 1 through suction nozzle take over 91. When the wet road sweeper works, garbage and sewage are sucked into the box body 1 through the suction nozzle 9, the sewage and the garbage in the box body 1 are subjected to dry-wet separation after the suction and sweeping work is finished, the extrusion plate 2 with the water seepage holes 21 is driven by the telescopic mechanism 3 to move downwards to compact the garbage and filter the sewage, when the force of the extrusion plate 2 for extruding the garbage reaches a set value, the extrusion plate 2 stops moving, so that the garbage is at the bottom of the extrusion plate 2, and the sewage is at the upper part of the extrusion plate 2; when the sensing device 6 arranged on the back of the extrusion plate 2 senses that the liquid level of sewage reaches the preset height, the water pump 42 can be started to pump water, one end of the water suction hose 41 with the filtering mechanism is fixed on the extrusion plate 2 to move together, water filtered once through the water seepage hole 21 is pumped into the water tank 5 after being filtered for the second time through the filtering mechanism until the sensing device 6 senses that the liquid level of sewage is lower than the preset height, and the water pump 42 stops working. At this time, most of the water in the garbage is pumped away, the heating plate 71 arranged on the bottom plate and the side plate of the box body 1 is started again, the residual water attached to the garbage is evaporated, the residual water is sucked into the clean water tank 5 through the small air quantity of the fan 8, part of the water vapor is cooled in the water tank 5, the liquefied water drops into the water tank 5 for recycling, and part of the water vapor is discharged along with the fan 8, so that the thorough dry-wet separation is realized.

In this embodiment, the wet road sweeper further includes a waterway system for supplying water for wet cleaning, and the water tank 5 communicates with the waterway system. Optionally, the water tank 5 is communicated with the reservoir of the waterway system through the drain pipe 51, so that the sewage can be recycled, and the waste of water resources is avoided. Optionally, the water tank 5 and the reservoir of the waterway system are the same, so that the cost can be saved, and the space utilization rate can be improved.

The above description is only of the preferred embodiments of the present utility model and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (10)

1. The dry-wet separation device comprises a box body (1), a squeezing plate (2) arranged in the box body (1) and a driving mechanism (3) for driving the squeezing plate (2) to reciprocate, and is characterized in that,

the device also comprises a water pumping mechanism (4) for pumping off liquid, wherein the water pumping mechanism (4) comprises a water absorbing hose (41) with a first end fixedly connected with the extrusion plate (2), a water pump (42) connected with a second end of the water absorbing hose (41) and a water outlet pipe (43) connected with the water pump (42) and used for discharging liquid into the water tank (5),

a first end of the water suction hose (41) is provided with a filtering mechanism for filtering impurities.

2. A dry-wet separating apparatus as claimed in claim 1, wherein,

and water seepage holes (21) are distributed on the extrusion plate (2).

3. A dry-wet separation device according to claim 1 or 2, wherein,

a sensing device (6) for detecting the liquid level height is arranged on the extrusion plate (2) or the filtering mechanism,

when the liquid level detected by the sensing device (6) exceeds the preset height, the water pump (42) is started to pump out the liquid in the box body (1).

4. A dry-wet separating apparatus as claimed in claim 3, wherein,

the heating device is characterized by further comprising a heating mechanism (7) which is arranged on the box body (1) and used for heating and evaporating liquid in the box body (1), and an exhaust hole (11) used for exhausting water vapor is formed in the box body (1).

5. A dry-wet separating apparatus as claimed in claim 4, wherein,

the heating mechanism (7) comprises a heating plate (71) arranged on the side wall and/or the bottom surface of the box body (1) and a power supply circuit (72) for supplying power to the heating plate (71).

6. A dry-wet separating apparatus as claimed in claim 4, wherein,

the air conditioner further comprises a fan (8) for pumping out water vapor, and the fan (8) is communicated with the exhaust hole (11) through an air passage (81).

7. A dry-wet separating apparatus as claimed in claim 6, wherein,

the air passage (81) is communicated with the water tank (5).

8. A dry-wet separating apparatus as claimed in claim 7, wherein,

a filter screen (82) is arranged in the air passage (81) and/or the exhaust hole (11).

9. A wet road sweeper, which comprises a sweeper body, a suction nozzle (9) and a suction nozzle connecting pipe (91), and is characterized in that,

-further comprising a dry-wet separation device according to any one of claims 1 to 8, mounted on the vehicle body, the suction nozzle (9) being in communication with the tank (1) through the suction nozzle nipple (91).

10. Wet road sweeper according to claim 9, further comprising a water circuit for supplying water for wet cleaning, characterized in that the water tank (5) communicates with the water circuit.

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