WO2012159280A1 - Système collecteur de poussière et véhicule de balayage de rue - Google Patents

Système collecteur de poussière et véhicule de balayage de rue Download PDF

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Publication number
WO2012159280A1
WO2012159280A1 PCT/CN2011/075544 CN2011075544W WO2012159280A1 WO 2012159280 A1 WO2012159280 A1 WO 2012159280A1 CN 2011075544 W CN2011075544 W CN 2011075544W WO 2012159280 A1 WO2012159280 A1 WO 2012159280A1
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WO
WIPO (PCT)
Prior art keywords
water
garbage
suction
dust removing
dust
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2011/075544
Other languages
English (en)
Chinese (zh)
Inventor
辛绪早
肖庆麟
谢永洲
张星明
沈维阳
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hunan Zoomlion Special Vehicle Co Ltd
Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
Original Assignee
Hunan Zoomlion Special Vehicle Co Ltd
Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Family has litigation
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Application filed by Hunan Zoomlion Special Vehicle Co Ltd, Changsha Zoomlion Heavy Industry Science and Technology Development Co Ltd filed Critical Hunan Zoomlion Special Vehicle Co Ltd
Publication of WO2012159280A1 publication Critical patent/WO2012159280A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • E—FIXED CONSTRUCTIONS
    • E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01H—STREET CLEANING; CLEANING OF PERMANENT WAYS; CLEANING BEACHES; DISPERSING OR PREVENTING FOG IN GENERAL CLEANING STREET OR RAILWAY FURNITURE OR TUNNEL WALLS
    • E01H1/00—Removing undesirable matter from roads or like surfaces, with or without moistening of the surface
    • E01H1/08—Pneumatically dislodging or taking-up undesirable matter or small objects; Drying by heat only or by streams of gas; Cleaning by projecting abrasive particles
    • E01H1/0827—Dislodging by suction; Mechanical dislodging-cleaning apparatus with independent or dependent exhaust, e.g. dislodging-sweeping machines with independent suction nozzles ; Mechanical loosening devices working under vacuum
    • E01H1/0836—Apparatus dislodging all of the dirt by suction ; Suction nozzles

Definitions

  • the present invention relates to wet dust removal, and in particular to a dust removal system and a road sweeper. Background technique
  • the sweeper has the functions of wet dust removal and sweeping, and has the advantages of fast cleaning speed, low environmental pollution and high cleaning efficiency.
  • the road sweeping vehicle comprises a dust removing system
  • the dust removing system comprises a sweeping disc, a suction nozzle, an elastic telescopic tube, a straw, a garbage box and a suction device (for example, a suction fan) for providing suction airflow respectively disposed on the vehicle body.
  • a suction device for example, a suction fan
  • the sweeping disk cleans the road for dust and debris through a sweeper mounted on the sweeping disk.
  • the sweeper is generally equipped with a water spray device in the upper part of the sweeping disc.
  • the pressurized clean water required by the sprinkler is provided by the water tank and sprinkler system provided by the vehicle body. .
  • the atomized clean water sprayed from the water spray device on the upper part of the sweeping water first sprays water, dust, garbage, etc. on the road surface to pre-wet.
  • the sweeping brush sweeps the wet garbage to the front of the nozzle, and under the suction provided by the suction device, the airflow carrying the moist garbage (hereinafter referred to as the dusty airflow) passes through the nozzle and elastically expands and contracts. The tube and straw are sucked into the trash can.
  • the atomized clean water sprayed from the water spray device disposed inside the nozzle re-sprays the wet waste flowing through the nozzle, so that the water spray is humidified twice before and after the road sweeper The dust of the work has been effectively controlled.
  • the sweeping vehicle In order to make the flow of the suction fluid smoother and reduce the wear of the dust-containing airflow to the suction blower, the sweeping vehicle generally adopts the rear layout of the suction blower. That is, after the waste water is wetted by the water spray, the waste bin is sucked by the suction of the suction fan through the suction nozzle, the suction pipe, or the like. The dust-laden gas can only enter the suction fan and be discharged to the atmosphere through the exhaust outlet after the garbage is settled in the garbage can.
  • the overflow surface (the surface through which the dust-containing airflow flows) It is not easy to cause sticking. Due to the joint action of the car body bump and the nozzle beating during the driving process, the elastic telescopic tube continues to shake, and the overcurrent surface does not cause sticking. However, the straw is prone to sticking. The main reasons are as follows:
  • the straw In order to make the garbage distributed reasonably in the garbage bin, the straw is inclined backwards at a certain angle as a whole.
  • the mixture of fully humidified waste is intertwined with water and air under the action of a high-speed negative pressure air stream.
  • the negative pressure and velocity of the dust-laden gas flow adhering to the inner wall and the inner wall of the straw are drastically reduced by the frictional force in the flow surface.
  • a part of the bulk or density of the garbage mixture (such as sticky clay) falls and adheres tightly to the inner wall of the inclined straw, and as the use time is prolonged, it accumulates and crosses each other.
  • the flow area of the straw is gradually reduced or even completely blocked.
  • the straw attached to the vehicle body moves forward in synchronization with the vehicle body.
  • the volume of the high-speed moving or the densely mixed garbage mixture (such as sticky mud) in the inclined suction pipe may collide with the inner wall of the suction pipe.
  • the colliding mixture of impurities (such as sticky mud) collides and adheres tightly to the inner wall of the straw, causing more accumulation and hardening into layers. This will cause the inner wall of the straw to be rough and the conveying resistance to increase, which is bound to occur after a certain degree of transport.
  • the problem to be solved by the present invention is the sticking or clogging of the straw.
  • the present invention provides a dust removal system including a suction device, a garbage box, a suction pipe and a suction nozzle which are sequentially connected, wherein the suction pipe is provided with a water passage hole, and the dust removal system further includes A water supply device that supplies water to the straw through the water passage.
  • the water supply device includes a water storage container in communication with the water passing hole.
  • the water supply device includes a filtering device, and the inside of the garbage can passes through the
  • the filter device is divided into a garbage zone and a filtered water zone, and the filtered water zone is in communication with the water passing hole.
  • the filtered water zone is in communication with the water passage through a hose.
  • a water storage portion is provided between the hose and the water passing hole.
  • one end of the hose is provided with a sealing ring
  • the outer wall of the straw is provided with an annular groove
  • a plurality of water passing holes are arranged along the circumferential direction of the straw, and the plurality of water holes are located in the ring In the groove, the seal ring and the annular groove are joined to form the water reservoir.
  • the filtering device comprises a partition connected to the side wall of the refuse bin and a filter plate connected to the partition, the partition having an opening, the filter plate being from at least one side edge of the opening Extending upwardly, the partition and the filter plate separate the interior of the waste bin into the refuse zone and the filtered water zone.
  • the opening is disposed between the partition plate and a side wall of the garbage can, and the filter plate extends upward from a side edge of the opening opposite to the side wall of the garbage can, And the upper edge and the side edge of the filter plate are respectively connected to the side wall of the garbage bin through a baffle, and the partition plate and the filter plate separate the interior of the garbage can into the garbage area and the filtered water Area.
  • the partition is disposed obliquely within the waste bin and has a plurality of the openings in an oblique direction.
  • the water supply device further includes a filter connected between the filtered water zone and the water passing hole, and two ends of the hose are respectively connected to the filter and the water passing hole.
  • the suction device comprises a suction fan
  • the garbage box is provided with an air suction port
  • the suction fan is connected with the air suction port.
  • the waste bin is provided with an openable discharge opening.
  • the present invention also provides a road sweeper comprising a frame, a sweeping disk and a dust removing system of the present invention, the sweeping wheel and the dust removing system being respectively disposed on the frame.
  • a first water spray device is disposed in the suction nozzle, and the sweeping disk is provided with a second water spray device.
  • the waste bin and the suction nozzle are mounted on the frame of the vehicle, and the suction pipe is The bag includes an upper upper segment and a lower lower segment respectively located in the inner portion and the outer outer portion of the garbage bin, and the upper segment is fixed and fixed.
  • the upper and lower sections of the waste disposal tank are fixedly fixed on the frame of the vehicle frame, and the upper section and the description are as described above.
  • the lower and lower sections are connected by a tight seal seal ring and can be pivoted relative to each other, and the lower section is connected to the suction nozzle. Then, the water passage hole is disposed on the lower section of the description. .
  • the sweeping road vehicle further includes a lifting and lowering mechanism
  • the dust removing system further includes elastically extending and stretching.
  • a tube wherein the lower section passes through the elastically stretchable tube and is connected to the suction nozzle, the suction nozzle
  • the vehicle is mounted and mounted to the vehicle frame by the lifting and lowering mechanism.
  • the water supply device is provided to supply water to the suction pipe through the through-water hole, and the water is placed in the suction and suction device.
  • the negative and negative pressure generated by the production is used to continue the continuous flow, and then the inner wall of the suction pipe is wetted from one side, and the other is another
  • the dilute and diluted mixture of the garbage and the waste compound can be reduced to reduce the frictional flow of the low-containing dust-containing gas stream and the inner wall of the suction pipe and avoid Avoid or reduce light and sticky plugging and plugging plugs. .
  • Figure 11 is a schematic view showing the structure of a structure of a dust removal system according to the present invention.
  • Figure 22 is a cross-sectional view showing the face of the AA--AA in Fig. 11;
  • suction nozzle 31 walking wheel
  • Filter unit 51 Partition 51a: Opening 52: Filter plate 53 : Baffle 60: Elastic expansion 70: Frame Detailed description
  • orientation words such as “up, down, left, and right” as used herein generally refer to the upper, lower, left, and right as shown in the accompanying drawings; "inside and outside”. It refers to the inside and outside of the outline of each component itself.
  • the dust removing system of the present invention comprises a suction device, a garbage can 10, a suction pipe 20 and a suction nozzle 30 which are sequentially connected, wherein the suction pipe 20 is provided with a water passing hole 23, and the dust removing system further comprises the water passing hole 23 is a water supply device that supplies water to the straw 20.
  • the negative pressure generated by the suction device causes the dust-laden gas stream to flow from the suction nozzle 30 through the suction tube 20 to the waste bin 10.
  • the water supply device supplies water to the suction pipe 20 through the water passing hole 23, and the water then flows along the suction pipe 20 to the garbage can 10 with the dust-containing air flow, and a part of the water contacts and wets the inner wall of the suction pipe 20 during the flow. A portion of the water will wet the moist waste in the dusty gas stream, thereby diluting the bulk or density of the waste mixture to reduce its viscosity.
  • the water supply device can be in various appropriate forms as long as water can be supplied to the suction pipe 20 through the water passing hole 23.
  • the water can be pure water.
  • the water supply device includes a water storage container that communicates with the water passing hole 23. Pure water can be stored in the water storage container to be supplied to the straw 20 through the water passing hole 23.
  • the sewage contained in the wet garbage collected in the garbage can 10 can be utilized.
  • the water supply device includes a filtering device 50, and the inside of the garbage can 10 is divided into a garbage area 10a and a filtered water area 10b by the filtering device 50, the filtered water The region 10b is in communication with the water passing hole 23.
  • the moist waste carried in the airflow settles in the waste bin 10, and the sewage in the wet waste can be separated into the filtered water zone 10b by the filtering device 50, and the waste is separated into the garbage zone 10a.
  • the filtered water is filtered through the filtering device 50 to form filtered water which can be supplied to the straw 20 through the water passage 23 instead of the clean water to wet the inner wall of the straw 20 and to dilute the volume or density of the garbage mixture. Further, the filtered water can be returned to the refuse bin 10 with the dust-containing gas stream and filtered by the filtering device 50 to return to the filtered water region 10b, thereby enabling recycling.
  • the filtering device 50 can adopt various appropriate structures as long as the wet garbage in the garbage can 10 can be separated into garbage and filtered water, and the garbage and the filtered water are respectively held in the garbage area 10a and the filtered water area 10b. Just fine.
  • the filtering device 50 comprises a partition 51 connected to the side wall of the waste bin 10 and a filter plate 52 connected to the partition 51, the partition 51 having an opening 51a
  • the filter plate 52 extends upward from at least one side edge of the opening 51a, and the partition plate 51 and the filter plate 52 divide the interior of the waste bin 10 into the garbage area 10a and the filtered water area 10b. .
  • the partition 51 By providing the partition 51, it is possible to receive the wet garbage which is sucked into the dust-containing airflow of the garbage can 10 from the suction pipe 20.
  • the sewage in the moist waste will flow through the opening 51a to the filtered water zone 10b through the filter plate 52 extending upward from at least one side edge of the opening 51a, thereby filtering the water zone 10b.
  • the filtered water is accumulated, and the flow of the filtered water can be referred to the arrow in FIG.
  • the preferred configuration of the present embodiment avoids the accumulation of debris on the filter panel and clogging the filter panel as compared to arranging a horizontal filter panel directly within the trash can 10. In the present embodiment, even if garbage accumulation occurs, it is only accumulated on the partition plate 51, and the filter plate 52 extending upward from the opening 51a is not completely blocked, thereby maintaining the filtering function of the filter device.
  • the opening 51a may be formed in various shapes and may be formed at any appropriate position of the spacer 51.
  • the filter plate 52 may extend upward from at least one side edge of the opening 51a so that sewage may be filtered from at least one side edge of the opening 51a and flowed into the opening 51a to be collected in the filtered water zone 10b.
  • a plurality of filter sheets 52 may extend upward and intersect around the side edges of the opening 51a to surround the opening 51a from the side and the upper side, and the sewage may flow into the opening 51a through the filter plate 52 from the side and above the opening 51a.
  • a plurality of filter plates 52 may be conveniently extended up to the top of the waste bin 10 around each side of the opening 51a so that sewage may flow from the side of the opening 51a through the filter plate 52 into the opening 51a.
  • the opening 51a is disposed between the partition 51 and the side wall of the garbage can 10, and the filter plate 52 is One side edge of the opening 51a opposite to the side wall of the garbage can 10 extends upward, and the upper edge and the side edge of the filter plate 52 are connected to the side wall of the trash can 10 by a baffle 53, respectively.
  • the partition plate 51 and the filter plate 52 divide the inside of the garbage can 10 into the garbage area 10a and the filtered water area 10b.
  • the partition plate 51 is disposed obliquely inside the waste bin 10 and has a plurality of the openings 51a in an oblique direction. Due to the negative pressure generated by the suction device, the wetted debris will settle at a particular location (e.g., at a location remote from the suction opening 12 described below, i.e., to the right of the trash can 10 in Figure 1).
  • the arrangement by the present embodiment can be Filtration can be carried out through the filter plates 52 at different openings 51a when the settling reaches different water levels.
  • FIG. 1 the partition plate 51 is disposed obliquely inside the waste bin 10 and has a plurality of the openings 51a in an oblique direction. Due to the negative pressure generated by the suction device, the wetted debris will settle at a particular location (e.g., at a location remote from the suction opening 12 described below, i.e., to the right of the trash can 10 in Figure 1).
  • the arrangement by the present embodiment can be Filtration
  • the filtered water zone 10b and the water passing hole 23 may be connected by a hose 41 so that the hose 41 can pass when the components such as the pipette 20 are slightly vibrated or displaced.
  • a corresponding flexible displacement is used to adjust the connection position to ensure that the connection of the filtered water zone 10b and the water passage 41 is unaffected.
  • connection between the hose 41 and the water passing hole 23 has a water storage portion, so that a uniform flow of filtered water can be provided for different shapes of the water holes or for the plurality of water holes.
  • the water passage hole 23 may be formed in a circular shape, a rectangular shape, or the like, or may be formed in an arc shape along the outer wall of the suction pipe 20, and the water storage portion may provide a uniform flow rate of filtered water along the circumference of the water passage hole 23.
  • the end of the hose 43 connected to the water passing hole 23 is provided with a sealing ring 42, and the outer wall of the straw 20 is provided with an annular groove 25 (the The annular groove 25 may be defined by a pair of annular groove walls projecting outward from the outer wall of the suction pipe 20, and a plurality of water passing holes 23 are provided along the circumferential direction of the suction pipe 20, and the plurality of water passing holes 23 are located at the In the annular groove 25, the seal ring 42 and the annular groove 25 are joined to form the water reservoir.
  • the filtered water is supplied to the water storage portion through the hose 41 and can flow from the water storage portion uniformly through the respective water holes 23 into the suction pipe 20, thereby uniformly moisturizing the inner wall of the suction pipe 20 in the circumferential direction.
  • the seal ring 42 and the annular groove 25 may be sealed by a gasket 43 to ensure that the water reservoir can sealingly contain the filtered water.
  • the filter plate 52 can be used to filter, for example, impurities having a minimum dimension of 1 mm, depending on the size of the filter holes on the filter plate 52.
  • the water supply device may further include a filter 40 connected between the filtered water region 10b and the water passing hole 23, and two ends of the hose 41 are respectively connected to the filter 40 and the water passage 23 are provided to provide cleaner water to the suction pipe 20.
  • the filter 40 can be used to filter fibrous impurities, and by this arrangement, it is ensured that the filtered water supplied to the water passing holes 23 of the suction pipe 20 is free of fibrous impurities to avoid possible passage of the water holes 23 or the suction pipe 20 due to the inclusion of fibrous impurities. .
  • the water inlet of the filter 40 can be spaced a predetermined distance from the bottom of the filtered water zone 10b to avoid the water filtered by the filtering device 50.
  • the water inlet of the filter 40 can be made 5-20 cm from the bottom of the filtered water zone 10b.
  • the filtered water supplied to the water passing hole 23 through the hose 41 is first subjected to coarse filtration through the filtering device 50, and then further filtered by automatic sedimentation in the filtered water region 10b, and finally passed through the fine filter of the filter 40 through the hose. 41 is supplied to the water passing hole 23, thereby ensuring that the filtered water supplied into the suction pipe 20 is sufficiently pure by triple filtration.
  • the suction device may be any suitable type of device capable of producing a suction effect, for example, the suction device may be a device capable of generating a negative pressure.
  • the suction device includes a suction fan, and the garbage can 10 is provided with an air suction port 12, and the suction fan is connected to the air suction port 12.
  • the garbage can 10 is provided with an openable discharge port 11 so that sewage and sediment can be discharged by opening the discharge port 11, and can be taken into the garbage can 10 through the discharge port 11 for maintenance.
  • the present invention provides a road sweeper including a frame 80, a sweeping disk, and a dust removing system of the present invention, the sweeping wheel and the dust removing system being respectively disposed in the vehicle On the shelf 80.
  • a first water spray device may be disposed in the suction nozzle 30, and the sweeping disk may be provided with a second water spray device to suppress dust generated by the dust removing operation.
  • the first water spray device and the second water spray device may be various devices suitable for spraying atomized clean water to spray water and pre-wet soil, dust, garbage, and the like.
  • the first water spray device and the second spray device may have the same structure and may provide clean water through the same water supply device.
  • the suppression of dusting by the first water spray device and the second water spray device is a technical means known to those skilled in the art and will not be described in detail herein.
  • the garbage can 10 and the suction nozzle 30 may be respectively mounted on the frame, and the straw 20 may be respectively located in the garbage can 10
  • the upper section 21 and the lower section 22 of the inner and outer portions, the upper section 21 may be fixed to the waste bin 10, and the lower section 22 may be fixed to the frame 80, and the upper section 21 and the lower section 22 may be
  • the lower section 22 is connected to the suction nozzle 30 by a sealing connection by a sealing ring 24, and the water passing hole 23 may be provided on the lower section 22.
  • the road sweeping vehicle may further include an elevating mechanism
  • the dust removing system may further include an elastic telescopic tube 70.
  • the lower section 22 is connected to the suction nozzle 30 through the elastic telescopic tube 70, and the suction nozzle 30 passes
  • the lifting mechanism is mounted to the frame 80.
  • the suction nozzle 30 When the road sweeper of the present invention performs the cleaning operation, the suction nozzle 30 can be lowered to the working position by the lifting mechanism. At this time, the suction nozzle 30 can be supported on the road surface by the traveling wheel 31 and walk with the vehicle, and the elastic bellows 70 is in an extended state.

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Cleaning In General (AREA)
  • Processing Of Solid Wastes (AREA)

Abstract

La présente invention concerne un système collecteur de poussière qui comprend un moyen d'aspiration, une poubelle (10), un tube d'aspiration (20) et une buse d'aspiration (30). Ces éléments sont raccordés les uns après les autres. Des entrées d'eau (23) se trouvent sur le tube d'aspiration (20). Le système collecteur de poussière comprend également un dispositif d'alimentation en eau, qui fournit de l'eau pour le tube d'aspiration (20) à travers lesdites entrées d'eau (23). En fournissant de l'eau au tube d'aspiration, la paroi intérieure du tube d'aspiration est humidifiée par ledit système collecteur de poussière, et de la poussière et des déchets transportés par l'écoulement d'air sont humidifiés davantage. Ainsi, le frottement entre l'écoulement d'air comprenant de la poussière et la paroi intérieure du tube d'aspiration peut être réduit, et une adhérence et un colmatage peuvent être évités ou réduits. La présente invention concerne également un véhicule de balayage de rue qui comprend ledit système collecteur de poussière.
PCT/CN2011/075544 2011-05-26 2011-06-09 Système collecteur de poussière et véhicule de balayage de rue Ceased WO2012159280A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201110138780.2 2011-05-26
CN201110138780.2A CN102277846B (zh) 2011-05-26 2011-05-26 用于吸扫式扫路车的吸管降尘装置及扫路车

Publications (1)

Publication Number Publication Date
WO2012159280A1 true WO2012159280A1 (fr) 2012-11-29

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ID=45103549

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2011/075544 Ceased WO2012159280A1 (fr) 2011-05-26 2011-06-09 Système collecteur de poussière et véhicule de balayage de rue

Country Status (2)

Country Link
CN (2) CN103061296B (fr)
WO (1) WO2012159280A1 (fr)

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CN107307805A (zh) * 2017-08-18 2017-11-03 宁波杨子电器有限公司 吸尘器
CN108005007A (zh) * 2017-12-31 2018-05-08 湖北国苗特种车辆制造有限公司 多功能真空吸尘车
CN108867494A (zh) * 2018-08-31 2018-11-23 邓东 一种环卫车用吸嘴组件及环卫车
CN109338964A (zh) * 2018-09-27 2019-02-15 无锡市众邦创润机械制造有限公司 道路垃圾清洁车
CN111270635A (zh) * 2019-12-19 2020-06-12 上海熙众新能源技术有限公司 一种泡沫降尘装置以及环卫车辆
CN111576307A (zh) * 2020-06-18 2020-08-25 上海神舟精宜汽车制造有限公司 一种纯电动扫路车
CN111794159A (zh) * 2020-06-18 2020-10-20 上海神舟精宜汽车制造有限公司 一种扫路车箱体
CN113304558A (zh) * 2021-06-04 2021-08-27 上海神舟精宜汽车测控技术有限公司 一种垃圾压缩站卸料控尘装置
CN115506293A (zh) * 2022-10-31 2022-12-23 徐州徐工环境技术有限公司 一种全天候作业扫路机

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CN105862637A (zh) * 2016-04-18 2016-08-17 南通明诺机械有限公司 结构优化的新能源扫路车
CN107354896B (zh) * 2017-08-16 2024-05-14 扬州金威环保科技有限公司 一种基于湿法除尘的多功能式垃圾回收装置
CN107794872A (zh) * 2017-11-09 2018-03-13 福建龙马环卫装备股份有限公司 一种具有污水循环降尘装置的扫路车
CN108175339A (zh) * 2018-01-31 2018-06-19 江苏天普星环境科技有限公司 一种快拆式吸管总成
CN110130255B (zh) * 2018-02-09 2021-10-08 陕西汽车集团股份有限公司 吸扫式扫路车的降尘装置及吸扫式扫路车
CN110241760A (zh) * 2018-03-07 2019-09-17 陕西汽车集团有限责任公司 环卫车垃圾箱的过滤网自清洁结构、环卫车及自清洁方法
CN109930532B (zh) * 2019-04-12 2020-11-24 日照职业技术学院 一种环境景观净化用清洁车
CN112144455A (zh) * 2020-09-29 2020-12-29 南京英达公路养护车制造有限公司 一种扫路车污水分离净化循环再利用装置

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