CN223688854U - Dust treatment system of road sweeper - Google Patents

Abstract

The utility model provides a dust-raising treatment system of a road sweeper, which comprises dust-raising dust-absorbing hoods which are respectively arranged above the periphery of each sweeping component of the road sweeper, a dust-raising processor and a clean water tank which are arranged above the middle part of a frame, a sewage tank which is arranged below the rear part of the frame, wherein an upper cavity of the dust-raising processor is sequentially divided into an air inlet chamber, a dust-removing chamber and an air outlet chamber from right to left through two water-proof and breathable shutters. The lower layer of the dust processor is provided with a first-stage water pump, a central pipeline water purifier, a water storage tank and a second-stage water pump, and dust blocking rubber plates are arranged at positions between front wheels and rear wheels at the left side and the right side of the vehicle bottom. The dust treatment system can basically and completely absorb the dust which is excited during road cleaning, has good purification treatment effect on the sprayed dust-removing sewage, and can automatically and timely supplement circulating water because the sprayed dust-removing spray head of the dust-removing chamber is not blocked by the water which is pumped back for repeated use.

Description

Dust treatment system of road sweeper

Technical Field

The utility model relates to a component of a road sweeper, in particular to a dust disposal system of the road sweeper, and belongs to the technical field of environmental sanitation mechanical equipment.

Background

The patent application with the patent application number of CN202420583249.9 provides an energy-saving and environment-friendly road sweeper with a novel structure, which is provided with a cab, a clean water tank, a battery box, a dust-raising flusher, a dustbin, a garbage cleaning head, a garbage rolling brush, a garbage collection conveyor and other parts, wherein dust raised during the operation of the cleaning parts such as the garbage cleaning head, the garbage rolling brush and the garbage collection conveyor can be sucked into the vehicle-mounted dust-raising flusher through corresponding dust-raising dust suction hoods and dust suction pipelines for dust removal and purification treatment. The raise dust flusher is equipped with two-layer cavity about the frame top, and upper cavity is used for dust removal treatment, and lower floor's cavity is used for carrying out purification treatment to the sewage that upper strata sprays the dust removal and produces, and the clear water after the purification pumps back upper dust removal room again and carries out cyclic utilization.

In the use process, the dust treatment design of the road sweeper still has certain defects, and the main appearance is as follows:

(1) The sewage treatment chamber of the lower cavity of the raise dust flusher only adopts the three-stage filter screen to filter sewage, the purifying effect is not good enough, the water content pumped back for repeated use is higher, and the spray dust removal nozzle of the upper dust removal chamber is easy to be blocked.

(2) The raise dust flusher lacks the moisturizing design, has partial circulating water to consume along with mud at sewage purification in-process, if can not in time supply circulating water, will influence the dust removal effect that sprays of upper dust chamber.

(3) The dust hood above which the dust light from the vehicle bottom cleaning component is lifted can not be completely sucked away, and part of the dust still overflows outwards from the two sides of the vehicle bottom.

Disclosure of utility model

The utility model aims to provide a dust disposal system of a road sweeper, which aims to solve the problems existing in the dust disposal design of the road sweeper in the prior technical proposal.

The specific technical scheme of the utility model is as follows:

A dust-raising treatment system of a road sweeper comprises corresponding dust-raising dust-absorbing hoods which are respectively arranged above the periphery of each sweeping component of the road sweeper, a dust-raising processor and a clear water tank which are arranged above the middle part of a frame of the road sweeper, and a sewage tank which is arranged below the rear part of the frame of the road sweeper.

The upper layer of the dust-raising processor is a closed cavity, and the cavity is sequentially divided into an air inlet chamber, a dust removal chamber and an air outlet chamber from right to left through two waterproof and breathable shutters; A dust collection pipe joint communicated with an indoor air inlet chamber is arranged on the right side wall of an air inlet chamber, dust collection covers of all cleaning components of the road sweeper are respectively provided with dust collection pipes connected to the corresponding dust collection pipe joints, a partition plate is arranged in the middle of the air inlet chamber and divides the air inlet chamber into a left half chamber and a right half chamber, an array formed by a plurality of small powerful exhaust fans exhausting air from the right half chamber to the left half chamber is arranged on the partition plate, a stainless steel screen is arranged on the left side of an air outlet chamber on the right side of the air outlet chamber for separation, a clean air outlet is arranged on the left side of the air outlet chamber, an outlet fan exhausting outwards is arranged in the clean air outlet, a lateral air outlet with a filter bag is arranged on the outer side of the outlet fan, a spray dust collection nozzle is arranged above the dust collection chamber, a water outlet is arranged below the dust collection chamber and is connected to a drainage pipe, a primary water pump, a central pipeline water purifier, a water storage tank and a secondary water pump are arranged on the lower layer of the dust collection processor, the water outlet of the primary water pump is provided with a water inlet of the central pipeline water purifier, the central pipeline water purifier stretches out downwards, a clean water outlet of the central pipeline water purifier is provided with a water storage tank, a clean water outlet of the central pipeline water purifier is connected with the water storage tank is also provided with a water inlet of the water level-supplementing water tank, a water storage tank is connected with a water supply pipe, a water supply pipe is connected with a water supply pipe, and is connected with a water storage tank is provided with a water tank is connected with a water tank.

The sewage tank is provided with a left filtering screen and a right filtering screen which are distributed at intervals from top to bottom below the frame, the left sewage tank is internally provided with a second filtering screen and a first filtering screen which are distributed at intervals from top to bottom, the left sewage tank is divided into an upper layer cavity, a middle layer cavity and a lower layer cavity, the right sewage tank is internally provided with a fourth filtering screen and a third filtering screen which are distributed at intervals from top to bottom, the right sewage tank is divided into an upper layer cavity, a middle layer cavity and a lower layer cavity, the filtering densities of the first filtering screen, the second filtering screen, the third filtering screen and the fourth filtering screen are increased step by step, the lower cavity of the left sewage tank is provided with a water inlet which is connected with a drainage pipeline of a dust raising processor, the upper cavity of the left sewage tank is provided with a middle pipeline which is connected with a lower cavity of the right sewage tank, and the upper cavity of the right sewage tank is provided with a water supply pipeline which is connected with a first-stage water pump water inlet of the dust raising processor, and the lower cavity bottoms of the two sewage tanks are connected with a sewage pipe with a manual valve.

The dust-raising treatment system of the road sweeper further comprises dust-raising rubber plates which are downwards hung from the frame to be close to the ground and are arranged at positions between front wheels and rear wheels on the left side and the right side of the body of the road sweeper, and a plurality of dust-collecting pipelines which are connected to dust-collecting pipe joints corresponding to the dust-raising processor are also arranged in the space of the dust-raising rubber plates on the left side and the right side, which is surrounded by the bottom of the vehicle. The dust blocking rubber plates on the left side and the right side of the vehicle body can keep the dust raised by the vehicle bottom cleaning component in the range of the vehicle bottom and suck the dust through the dust suction pipeline, so that the dust cannot overflow outwards from the two sides of the vehicle bottom.

The dust-removing treatment system of the road sweeper can basically and completely absorb the dust which is excited during road sweeping because the dust-blocking rubber plates are arranged at the positions between the front wheels and the rear wheels at the left side and the right side of the vehicle bottom, the dust which is excited by the cleaning parts at the vehicle bottom can not overflow outwards from the two sides of the vehicle bottom, the dust-removing chamber at the upper layer of the dust-removing treatment system can spray dust-removing treatment on the sucked dust-containing air, sewage generated by spraying dust-removing flows into a sewage tank, is filtered step by step sequentially through four filter screens, is further filtered by a first-stage water pump and is sent into a central pipeline water purifier, and the obtained clean water is sent into a water storage tank to be pumped from the water storage tank by a second-stage water pump and is sent back to the dust-removing chamber for multiplexing. Because the purification treatment effect on the spray dust-removing sewage is good, the water pumped back for repeated use is not easy to cause the blockage of the spray dust-removing spray head of the dust-removing chamber. Because the water storage tank is provided with an automatic water supplementing design, circulating water can be automatically and timely supplemented, and the spraying dust removal effect of the dust removal chamber is not affected.

Drawings

Fig. 1 is a perspective view of a dust disposal system of the road sweeper mounted on a vehicle body.

Fig. 2 is a left side elevational view of fig. 1.

Fig. 3 is a rear side view of the dust disposer of fig. 2, shown in an interior cross-sectional view.

Fig. 4 is a rear side view of the sewage tank of fig. 2, in an interior cross-sectional view.

In the figure, the dust-raising processor, the 2-clean water tank, the 3-sewage tank, the 4-shutter, the 5-air inlet chamber, the 6-dust removal chamber, the 7-air outlet chamber, the 8-dust collection pipe joint, the 9-partition plate, the 10-small powerful exhaust fan, the 11-stainless steel net, the 12-clean air outlet, the 13-outlet fan, the 14-filter bag, the 15-spray dust removal nozzle, the 16-drainage pipeline, the 17-first-stage water pump, the 18-central pipeline water purifier, the 19-water storage tank, the 20-second-stage water pump, the 21-floating ball liquid level switch, the 22-second-stage filter screen, the 23-first-stage filter screen, the 24-fourth-stage filter screen, the 25-third-stage filter screen, the 26-intermediate pipeline, the 27-dust blocking rubber plate and the 28-filter screen backflushing pipeline are shown.

Detailed Description

The utility model is further described below with reference to the accompanying drawings. The terms "front", "rear", "left", "right", "upper", "lower" and "orientation" in the description of the present utility model are defined based on the perspective of the vehicle driver, and are merely for convenience of description, and do not refer to a particular orientation that the device or element must have, and should not be taken as limiting the utility model.

As shown in figures 1-4, the dust disposal system of the road sweeper comprises corresponding dust suction hoods respectively arranged above the periphery of each sweeping component of the road sweeper, a dust disposal device 1 and a clean water tank 2 arranged above the middle part of the frame of the road sweeper, and a sewage tank 3 arranged below the rear part of the frame of the road sweeper.

The upper layer of the dust-raising processor 1 is a closed cavity, and the cavity is sequentially divided into an air inlet chamber 5, a dust removal chamber 6 and an air outlet chamber 7 from right to left through two waterproof and breathable shutters 4; the right side wall of the air inlet chamber 5 is provided with a group of dust collection pipe joints 8 communicated with the inner cavity of the air inlet chamber 5, dust collection pipes are respectively arranged on dust collection covers of all cleaning parts of the road sweeper and connected to the corresponding dust collection pipe joints 8, the middle part of the air inlet chamber 5 is provided with a partition 9 for dividing the air inlet chamber into a left half chamber and a right half chamber, and an array formed by a plurality of small powerful exhaust fans 10 exhausting air from the right half chamber to the left half chamber is arranged on the partition 9; the right side of the air outlet chamber 7 is provided with a stainless steel net 11 at the left side of the shutter 4 for blocking, the left side of the air outlet chamber 7 is provided with a clean air outlet 12, an outlet fan 13 exhausting air outwards is arranged in the clean air outlet 12, the outer side of the outlet fan 13 is provided with a lateral air outlet with a filter bag 14, a spray dust removing nozzle 15 is arranged above the dust removing chamber 6, a water outlet is arranged below the dust removing chamber 6, the water outlet is connected with a water discharging pipeline 16 for outputting outwards, the lower layer of the dust raising processor 1 is provided with a primary water pump 17, a central pipeline water purifier 18, a water storage tank 19 and a secondary water pump 20, a water outlet of the primary water pump 17 is provided with a water inlet, a water supply pipeline is connected with the central pipeline water purifier 18, a sewage outlet of the central pipeline water purifier 18 extends downwards a frame, a purified water outlet of the central pipeline water purifier 18 is provided with a water inlet of the water storage tank 19, the water storage tank 19 is also provided with a water supplementing pipeline connected with the clean water tank 2 on the frame, a floating ball liquid level switch 21 is arranged in the water storage tank 19 for controlling automatic water supplementing of the water supplementing pipeline, the water storage tank 19 is provided with a water inlet of the secondary water pump 20, the water outlet of the secondary water pump 20 is provided with a spray dust removal nozzle 15 which is upwards connected to the dust removal chamber 6 through a water supply pipeline.

The sewage tank 3 is provided with a left layer of filter screen 22 and a right layer of filter screen 23 which are distributed vertically at intervals in the left sewage tank 3, thereby dividing the left sewage tank 3 into an upper layer of cavity, a middle layer of cavity and a lower layer of cavity, a fourth layer of filter screen 24 and a third layer of filter screen 25 which are distributed vertically at intervals in the right sewage tank 3, thereby dividing the right sewage tank 3 into an upper layer of cavity, a middle layer of cavity and a lower layer of cavity, the density of the filter screens of the first layer of filter screen 23, the second layer of filter screen 22, the third layer of filter screen 25 and the fourth layer of filter screen 24 is increased step by step, the lower cavity of the left sewage tank 3 is provided with a water inlet which is connected with a drainage pipeline 16 of the dust raising processor 1, the upper cavity of the left sewage tank 3 is provided with a middle pipeline 26 which is connected to the lower cavity of the right sewage tank 3, the upper cavity of the right sewage tank 3 is provided with a water pump 17 water inlet which is connected to the dust raising processor 1, and the bottoms of the lower cavities of the two sewage tanks 3 are all connected with sewage pipes with manual valves.

The dust-raising treatment system of the road sweeper further comprises dust-raising rubber plates 27 which are downwards hung from the frame to be close to the ground and are arranged at positions between front wheels and rear wheels on the left side and the right side of the body of the road sweeper, and a plurality of dust-collecting pipelines are arranged in the space of the dust-raising rubber plates 27 on the left side and the right side, which is surrounded by the bottom of the vehicle, and are connected to dust-collecting pipe joints 8 corresponding to the dust-raising processor 1. The dust blocking rubber plates 27 on the left side and the right side of the vehicle body can keep the dust raised by the vehicle bottom cleaning component in the range of the vehicle bottom and suck the dust through the dust suction pipeline, so that the dust cannot overflow outwards from the two sides of the vehicle bottom.

Further, the dust removing chamber 6 is divided into a left compartment and a right compartment by a stainless steel net 11, a spray dust removing nozzle 15 is arranged above each compartment, a water outlet is arranged below each compartment, and each water outlet is connected to a water discharging pipeline 16 for outputting outwards.

Further, one side of the upper cavity of the two sewage tanks 3 is connected with a filter screen backflushing pipeline 28 with a manual valve, and the filter screen backflushing pipeline 28 is connected with the clean water tank 2 on the frame, so that the filter screen in the sewage tanks 3 can be backflushed, cleaned and discharged by introducing clean water periodically. Further, a manual valve is provided in the intermediate line 26 between the two tanks 3 so that a separate back flushing of one of the tanks 3 can be controlled.

Further, the first stage filter screen 23, the second stage filter screen 22, the third stage filter screen 25 and the fourth stage filter screen 24 respectively adopt 100 mesh filter screens, 200 mesh filter screens, 250 mesh filter screens and 300 mesh filter screens.

Further, the central line water purifier 18 is a central line water purifier having a capacity of 10000L and having a PVDF compression-resistant hand-washing membrane cartridge.

Further, the small powerful exhaust fan 10 adopts a 6056 powerful fan with DC12V and the rotating speed of 20000 rpm.

When the dust treatment system of the road sweeper works, under the suction effect of the small powerful exhaust fan 10 of the dust treatment device 1, the dust excited by each sweeping component during sweeping enters the air inlet chamber 5 of the dust treatment device 1 through the corresponding dust suction hood and the dust suction pipeline, and meanwhile, the part of the dust excited by the sweeping component at the bottom of the sweeper, which is not sucked away from the dust suction hood, enters the air inlet chamber 5 of the dust treatment device 1 through the dust suction pipeline after being surrounded by the dust blocking rubber plates 27 at the left side and the right side of the bottom of the sweeper. After dust-containing air sucked into the air inlet chamber 5 is sprayed and dedusted step by step through two compartments of the dedusting chamber 6, the air after dedusting is discharged outwards through the filter bag 14 by the outlet fan 13, sewage generated by spraying and dedusting of the dedusting chamber 6 flows into the lower cavity of the left sewage tank 3 through the drainage pipeline 16, then is filtered upwards sequentially through the first-stage filter screen 23 and the second-stage filter screen 22, enters the lower cavity of the right sewage tank 3 through the intermediate pipeline 26, is filtered upwards sequentially through the third-stage filter screen 25 and the fourth-stage filter screen 24 to obtain secondary purified water, the secondary purified water is sent into the central pipeline water purifier 18 by the first-stage water pump 17 to be further filtered, and clean water output by the central pipeline water purifier 18 is sent into the water storage tank 19 to be stored, and is pumped from the water storage tank 19 by the second-stage water pump 20 to be returned to the spraying dedusting nozzle 15 of the dedusting chamber 6 for multiplexing. When the water level in the water storage tank 19 drops to a certain height, the float level switch 21 is turned on, and the clean water tank 2 automatically supplements water to the water storage tank 19. When the filter screens in the two sewage tanks 3 need to be back-flushed, the back-flushing pipeline 28 of the filter screen at the upper part of the sewage tank 3 and the manual valve of the sewage drain pipe at the lower part can be opened, and clean water introduced into the clean water tank 2 can be used for back-flushing, cleaning and sewage draining the filter screens in the sewage tank 3 from top to bottom.

The above-described drawings illustrate only typical embodiments of the utility model and are therefore not to be considered limiting of its scope, for the utility model may admit to other equally effective alternatives and modifications, without departing from the spirit and principles of the utility model.

Claims (8)

1. The dust-raising treatment system of the road sweeper is characterized by comprising dust-raising dust-collecting hoods which are respectively arranged above the periphery of each sweeping component of the road sweeper, a dust-raising processor (1) and a clean water tank (2) which are arranged above the middle part of a frame of the road sweeper, and a sewage tank (3) which is arranged below the rear part of the frame of the road sweeper;

The upper layer of the dust-raising processor (1) is a closed cavity, the cavity is sequentially divided into an air inlet chamber (5), a dust removing chamber (6) and an air outlet chamber (7) from right to left through two water-proof and air-permeable shutters (4), the right side wall of the air inlet chamber (5) is provided with a group of dust collection pipe joints (8) communicated with the inner cavity of the air inlet chamber (5), dust-raising dust suction hoods of all cleaning components of the road sweeper are respectively provided with dust collection pipelines connected to the corresponding dust collection pipe joints (8), the middle part of the air inlet chamber (5) is provided with a partition plate (9) for dividing the air inlet chamber into a left half chamber and a right half chamber, an array formed by a plurality of small powerful exhaust fans (10) exhausting air from the right half chamber to the left half chamber, the right side of the air outlet chamber (7) is provided with a stainless steel net (11) for blocking, the left side of the air outlet chamber (7) is provided with a clean air outlet (12), the clean air outlet (12) is internally provided with an outward outlet fan (13), the clean air outlet (12) is provided with a filter bag (14) arranged at the outlet fan (13) and is provided with a water outlet (16) which is connected to the lower water pump (1), the water outlet (17) is arranged at the lower side of the dust-removing processor, and the dust-collecting processor is provided with a water pump (1) and the water outlet (17) is connected to the upper-discharging layer The water inlet of the central pipeline water purifier (18) is connected with the water inlet of the central pipeline water purifier (18) through a water supply pipeline, the sewage outlet of the central pipeline water purifier (18) extends downwards from the frame, a purified water outlet of the central pipeline water purifier (18) is provided with a water inlet connected with the water storage tank (19) through a water supply pipeline, the water storage tank (19) is also provided with a water supplementing pipeline connected with a clear water tank (2) on the frame, a floating ball liquid level switch (21) is arranged in the water storage tank (19) to control the water supplementing pipeline to automatically supplement water, the water outlet of the water storage tank (19) is provided with a water inlet connected with the secondary water pump (20) through a water supply pipeline, and the water outlet of the secondary water pump (20) is provided with a spray dust removing spray nozzle (15) upwards connected to each compartment of the dust removing chamber (6);

The sewage tank (3) is equipped with left and right sides two in the frame below, be equipped with second level filter screen (22) and first level filter screen (23) of upper and lower interval distribution in left sewage tank (3), from this with left sewage tank (3) partition become upper, well, lower three-layer cavity, be equipped with fourth level filter screen (24) and third level filter screen (25) of upper and lower interval distribution in right sewage tank (3), from this with right sewage tank (3) partition become upper, well, lower three-layer cavity, first level filter screen (23), second level filter screen (22), third level filter screen (25), the filter screen density of fourth level filter screen (24) increases step by step, the lower chamber of left sewage tank (3) is equipped with the water inlet and is connected with drain line (16) of dust processor (1), the upper chamber of left sewage tank (3) is equipped with the lower chamber of middle pipeline (26) and is connected to right sewage tank (3), the upper chamber of right sewage tank (3) is equipped with water pump (17) water inlet of water supply pipe connection to dust processor (1), the drain pipe is connected to the drain pipe of two lower chamber of sewage tank (3) bottom.

2. The dust disposal system of a road sweeper according to claim 1, further comprising dust blocking rubber plates (27) which are arranged at positions between front wheels and rear wheels on the left side and the right side of the vehicle body of the road sweeper and drop downwards from the vehicle frame to be close to the ground, wherein the dust blocking rubber plates (27) on the left side and the right side are also provided with dust collecting pipe joints (8) which are connected to the dust collecting pipe joints corresponding to the dust collecting processor (1) in the space surrounded by the vehicle bottom.

3. The dust-raising treatment system of the road sweeper according to claim 1, characterized in that the dust-removing chamber (6) is divided into a left compartment and a right compartment by a stainless steel net (11), a spray dust-removing spray head (15) is arranged above each compartment, a water outlet is arranged below each compartment, and each water outlet is connected to a water discharge pipeline (16) for outputting.

4. The dust-raising treatment system of the road sweeper according to claim 1, characterized in that one side of the upper cavity of the two sewage tanks (3) is connected with a filter screen backflushing pipeline (28) with a manual valve, and the filter screen backflushing pipeline (28) is connected with a clean water tank (2) on the frame.

5. A dust handling system of a road sweeper according to claim 4, characterized in that a manual valve is provided in the intermediate line (26) between the two sewage tanks (3).

6. The dust disposal system of a road sweeper according to claim 1, wherein the first filter screen (23), the second filter screen (22), the third filter screen (25) and the fourth filter screen (24) are 100 mesh, 200 mesh, 250 mesh and 300 mesh, respectively.

7. The dust handling system of a road sweeper as set forth in claim 1, wherein the central pipe water purifier (18) is a central pipe water purifier having a capacity of 10000L and having a PVDF compression-resistant hand-washing membrane cartridge.

8. The dust handling system of a road sweeper according to claim 1, characterized in that the small powerful suction fan (10) is a 6056 powerful fan with a DC12V and a rotational speed of 20000 rpm.