CN107049161A - A kind of recovery system for being used to handle ground sewage - Google Patents
A kind of recovery system for being used to handle ground sewage Download PDFInfo
- Publication number
- CN107049161A CN107049161A CN201710366035.0A CN201710366035A CN107049161A CN 107049161 A CN107049161 A CN 107049161A CN 201710366035 A CN201710366035 A CN 201710366035A CN 107049161 A CN107049161 A CN 107049161A
- Authority
- CN
- China
- Prior art keywords
- sewage
- suction box
- movable suction
- crane
- compartment
- 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.)
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Classifications
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/29—Floor-scrubbing machines characterised by means for taking-up dirty liquid
- A47L11/30—Floor-scrubbing machines characterised by means for taking-up dirty liquid by suction
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/24—Floor-sweeping machines, motor-driven
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4013—Contaminants collecting devices, i.e. hoppers, tanks or the like
- A47L11/4016—Contaminants collecting devices, i.e. hoppers, tanks or the like specially adapted for collecting fluids
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
- A47L11/00—Machines for cleaning floors, carpets, furniture, walls, or wall coverings
- A47L11/40—Parts or details of machines not provided for in groups A47L11/02 - A47L11/38, or not restricted to one of these groups, e.g. handles, arrangements of switches, skirts, buffers, levers
- A47L11/4036—Parts or details of the surface treating tools
Landscapes
- Cleaning In General (AREA)
- Cleaning Or Clearing Of The Surface Of Open Water (AREA)
Abstract
The invention discloses a kind of recovery system for being used to handle ground sewage in floor-cleaning machine technical field, railway carriage or compartment, communicating pipe, movable suction box, tabular wiper, elevating mechanism, support hinge, fastener are reclaimed including vehicle frame, in addition to fan assembly, front stall, air inlet pipe, sewage；When system is in use state, movable suction box is propped up in crane free end, support wheel support ground, and one end in tabular wiper with sewage inflow entrance is touched with ground；Movable suction box can be lifted under the control of hoist cylinder crane free end；When system is not at use state, movable suction box is locked on vehicle frame generally in horizontal positioned state, and movable suction box by fastener.The position of movable suction box can be neatly converted, so as to avoidance and maintenance, and successfully sewage can be recovered in sewage recovery railway carriage or compartment.
Description
Technical field
The present invention relates to floor-cleaning machine technical field, more particularly to a kind of sewage on drive type floor cleaning machine reclaims system
System.
Background technology
Floor-cleaning machine has been obtained for being widely applied, and especially sweeps type floor-cleaning machine, due to sweeping efficiency high, scavenging effect
It is good, receive the favor of users.
But, floor-cleaning machine always runs into obstacle during sweeping, if floor-cleaning machine travel speed is very fast, sweeps component very
Easily just broken by barrier.
The content of the invention
It is an object of the invention to provide a kind of recovery system for being used to handle ground sewage, barrier can be nimbly eluded,
And sewage successfully can be recovered into sewage to reclaim in railway carriage or compartment.
The object of the present invention is achieved like this：A kind of recovery system for being used to handle ground sewage, including vehicle frame, are also wrapped
Include fan assembly, front stall, air inlet pipe, sewage and reclaim railway carriage or compartment, communicating pipe, movable suction box, tabular wiper, elevating mechanism, bloster hinge
Axle, fastener, the communicating pipe are made up of flexible concertina tubing, and the tabular wiper is fabricated from a flexible material, and the sewage is returned
Railway carriage or compartment, front stall is received to be installed on vehicle frame；
The movable suction box side is by supporting hinge to be arranged on vehicle frame afterbody with can rotating upwardly and downwardly, and the tabular wiper is installed
Dirt sucking tube is coated with movable suction box free side, the movable suction box；The tabular wiper includes one and inhales chamber, multiple
Sewage can be led to the sewage inflow entrance inhaled in chamber, the sewage inflow entrance is arranged on one touched in tabular wiper with ground
End, the direction of the sewage inflow entrance is adapted with sweeping direct of travel, and the suction chamber is connected with dirt sucking tube suction side；
The sewage reclaims railway carriage or compartment and reclaims railway carriage or compartment higher than mouth, the sewage is connected provided with mouth, gas outlet, the position of the gas outlet is connected
Connection mouthful be connected by communicating pipe with dirt sucking tube outlet side；
The front stall is provided with inlet channel, exhaust passage, and the inlet channel inlet end reclaims railway carriage or compartment by air inlet pipe and sewage
Gas outlet is connected, and the inlet channel outlet side is connected with fan assembly suction side, and the fan assembly outlet side passes through
Air-flow is discharged in outside atmosphere by exhaust passage；
The elevating mechanism includes hoist cylinder, crane, and described crane one end is arranged on vehicle frame in which can rotate upwardly and downwardly, institute
The crane other end is stated for free end, the crane free end is rotatably mounted with support wheel, the work of the hoist cylinder
Stopper rod is hinged with crane, and cylinder barrel and the vehicle frame of the hoist cylinder are hinged；
When system is in use state, movable suction box, the support wheel support ground, and plate are propped up in the crane free end
Touched with ground one end in shape wiper with sewage inflow entrance；
Movable suction box can be lifted under the control of hoist cylinder the crane free end；
When system is not at use state, the movable suction box is generally in horizontal positioned state, and movable suction box
It is locked in by fastener on vehicle frame.
The present invention is when in use state, and under the control of hoist cylinder, movable suction box is held in crane free end,
Then fastener is pulled down, crane is put down so that movable suction box is in heeling condition so that prop up activity in crane free end
Formula suction box, support wheel support ground, the deadweight of the dispersible movable suction box of support wheel, in case movable suction box damages tabular wiper by pressure,
Tabular wiper is successfully swept during traveling, one end in tabular wiper with sewage inflow entrance and ground
Face is in contact, to sweep；When that need not be swept or need to avoid obstacle or need to change tabular wiper, in lifting oil
Under the control of cylinder, crane free end holds up movable suction box, and then movable suction box is locked on vehicle frame using fastener.
In addition, the present invention is when in use state, floor-cleaning machine is moved forward with vehicle frame so that sewage is flowed into from sewage
Mouthful flow into and to inhale in chamber, start fan assembly so that sewage reclaims railway carriage or compartment and is in negative pressure state, and produces one and flow through soil pick-up successively
Pipe, communicating pipe, sewage reclaim railway carriage or compartment, air inlet pipe, inlet channel, fan assembly, the air-flow of exhaust passage, and sewage is flowed into by sewage
Mouth, which enters, to be inhaled in chamber, and sewage is reclaimed in railway carriage or compartment under suction by entering sewage after dirt sucking tube, communicating pipe, connection mouth；By
It is in connecting mouth under gas outlet, therefore, sewage and air-flow can be separated from each other in sewage reclaims railway carriage or compartment, and sewage is by Gravitative Loads
Under fall on sewage and reclaim in railway carriage or compartment, and air-flow is then entered in inlet channel by gas outlet, air inlet pipe.
Compared with prior art, the beneficial effects of the present invention are：First, due to being provided with elevating mechanism, can be neatly
The position of movable suction box is converted, so as to avoidance, also allows for repairing or changes tabular wiper；Second, can be successfully by sewage
It is recovered to sewage to reclaim in railway carriage or compartment, sewage reaches sewage time after flowing through suction chamber, dirt sucking tube, communicating pipe, connection mouth successively with air-flow
Railway carriage or compartment is received, and because Gravitative Loads make it that sewage is fallen under sewage to be reclaimed in railway carriage or compartment, air-flow then can enter air inlet by gas outlet
Guan Zhong, can realize the separation of sewage and air-flow, decontamination efficiency can be protected, and decontaminate mode letter in sewage reclaims railway carriage or compartment
It is single reasonable.
As the improvement project of the present invention, counterweight is installed on the movable suction box, the counterweight is close to tabular wiper.
When in use, tabular wiper sweeps ground to movable suction box, and counterweight may be such that tabular wiper can firmly touch ground, to protect
Demonstrate,prove the dirty removal capacities for sweeping effect, further enhancing tabular wiper of tabular wiper.
As a further improvement on the present invention, the crane free end is provided with the rubber for the movable suction box of rest
Support stick.In case crane breaks movable suction box.
Brief description of the drawings
Fig. 1 is in the schematic diagram of use state for the present invention.
Fig. 2 is not at the schematic diagram of use state for the present invention.
Fig. 3 is the mounting structure partial sectional view of tabular wiper.
Fig. 4 is the A portions enlarged drawing in Fig. 1.
Wherein, 1 fan assembly, 2 front stalls, 201 inlet channels, 202 exhaust passages, 3 air inlet pipe, 4 sewage reclaim railway carriage or compartment, 401
Mouth is connected, 402 gas outlets, 5 communicating pipes, 6 movable suction boxs, 601 dirt sucking tubes, 602 counterweights, 7 tabular wiper, 701 sewage are flowed into
Mouthful, 702 inhale chamber, 8 hoist cylinders, 9 cranes, 901 support wheels, 902 rubber rods, 10 vehicle frames, 11 support hinges, 12 fastenings
Part, 13 ground.
Embodiment
As Figure 1-4, a kind of recovery system for being used to handle ground sewage, including vehicle frame 10, in addition to fan assembly
1st, front stall 2, air inlet pipe 3, sewage reclaim railway carriage or compartment 4, communicating pipe 5, movable suction box 6, tabular wiper 7, elevating mechanism, support hinge
11st, fastener 12, communicating pipe 5 is made up of flexible concertina tubing, and tabular wiper 7 is fabricated from a flexible material, and sewage reclaims railway carriage or compartment 4, preceding
Seat 2 is installed on vehicle frame 10.
The above-mentioned side of movable suction box 6 is by supporting hinge 11 to be arranged on the afterbody of vehicle frame 10 with can rotating upwardly and downwardly, and tabular is scraped
Part 7 is arranged in the movable free side of suction box 6, movable suction box 6 and is coated with dirt sucking tube 601；Tabular wiper 7 includes a suction chamber
702nd, it is multiple sewage can be led to inhale chamber 702 in sewage inflow entrances 701, sewage inflow entrance 701 be arranged in tabular wiper 7 with
One end that ground 13 is in contact, the direction of sewage inflow entrance 701 is adapted with sweeping direct of travel, inhales chamber 702 and dirt sucking tube 601
Suction side is connected.
Above-mentioned sewage reclaims railway carriage or compartment 4 provided with mouth 401, gas outlet 402 is connected, and the position of gas outlet 402, which is higher than, connects mouth 401,
The connection mouthful 401 that sewage reclaims railway carriage or compartment 4 is connected by communicating pipe 5 with the outlet side of dirt sucking tube 601.
Above-mentioned front stall 2 is provided with inlet channel 201, exhaust passage 202, and the inlet end of inlet channel 201 passes through air inlet pipe 3 and dirt
The gas outlet 402 in Water Sproading railway carriage or compartment 4 is connected, and the outlet side of inlet channel 201 is connected with the suction side of fan assembly 1, fan assembly 1
Air-flow is discharged in outside atmosphere by outlet side by exhaust passage 202.
Above-mentioned elevating mechanism includes hoist cylinder 8, crane 9, and the one end of crane 9 is arranged on vehicle frame 10 with can rotating upwardly and downwardly
On, the other end of crane 9 is free end, and the free end of crane 9 is rotatably mounted with support wheel 901, the piston of hoist cylinder 8
Bar is hinged with crane 9, and cylinder barrel and the vehicle frame 10 of hoist cylinder 8 are hinged.
When system is in use state, movable suction box 6 is propped up in the free end of crane 9, and support wheel 901 supports ground, and
One end with sewage inflow entrance 701 is in contact with ground 13 in tabular wiper 7.
Movable suction box 6 can be lifted under the control of hoist cylinder 8 the above-mentioned free end of crane 9.
When system is not at use state, movable suction box 6 is generally in horizontal positioned state, and movable suction box
6 are locked on vehicle frame 10 by fastener 12.
The present invention is when in use state, and under the control of hoist cylinder 8, movable suction is held in the free end of crane 9
Case 6, then pulls down fastener 12, puts down crane 9, and cause movable suction box 6 to be in heeling condition so that crane 9 is certainly
Movable suction box 6 is propped up by end, the support of support wheel 901 ground, the deadweight of the dispersible movable suction box 6 of support wheel 901, so as not to it is movable
Suction box 6 damages tabular wiper 7 by pressure so that tabular wiper 7 can successfully be swept during traveling, in tabular wiper 7
One end with sewage inflow entrance 701 is in contact with ground 13, to sweep；When need not be swept or need to avoid obstacle
Or when needing to change tabular wiper 7, under the control of hoist cylinder 8, the free end of crane 9 holds up movable suction box 6, in activity
After formula suction box 6 is flipped up in place, movable suction box 6 is locked on vehicle frame 10 using fastener 12.
In addition, the present invention is when in use state, floor-cleaning machine moves forward with vehicle frame 10 so that sewage is from sewage stream
Entrance 701, which is flowed into, to be inhaled in chamber 702, starts fan assembly 1 so that sewage reclaims railway carriage or compartment 4 and is in negative pressure state, and produces one successively
Flow through dirt sucking tube 601, communicating pipe 5, sewage and reclaim railway carriage or compartment 4, air inlet pipe 3, inlet channel 201, fan assembly 1, exhaust passage 202
Air-flow, sewage is entered by sewage inflow entrance 701 to be inhaled in chamber 702, and sewage passes through dirt sucking tube 601, communicating pipe under suction
5th, connect and entered after mouth 401 in sewage recovery railway carriage or compartment 4；It is under gas outlet 402, therefore, is returned in sewage due to connecting mouth 401
Receiving sewage and air-flow in railway carriage or compartment 4 can be separated from each other, and sewage is reclaimed in railway carriage or compartment 4 by sewage is fallen under Gravitative Loads, and air-flow is then by going out
Gas port 402, air inlet pipe 3 are entered in inlet channel 201.
Counterweight 602 is installed, counterweight 602 is close to tabular wiper 7 on above-mentioned movable suction box 6.Movable suction box 6 is being used
When, tabular wiper 7 sweeps ground 13, and counterweight 602 may be such that tabular wiper 7 can firmly touch ground 13, to ensure tabular
Wiper 7 sweeps effect.
The above-mentioned free end of crane 9 is provided with the rubber rod 902 for the movable suction box 6 of rest.
The invention is not limited in above-described embodiment, on the basis of technical scheme disclosed by the invention, the skill of this area
Art personnel are according to disclosed technology contents, it is not necessary to which performing creative labour just can make one to some of which technical characteristic
A little to replace and deform, these are replaced and deformed within the scope of the present invention.
Claims (3)
1. a kind of recovery system for being used to handle ground sewage, including vehicle frame（10）, it is characterised in that：Also include fan assembly
（1）, front stall（2）, air inlet pipe（3）, sewage reclaim railway carriage or compartment（4）, communicating pipe（5）, movable suction box（6）, tabular wiper（7）, lifting
Mechanism, support hinge（11）, fastener（12）, the communicating pipe（5）It is made up of flexible concertina tubing, the tabular wiper（7）
It is fabricated from a flexible material, the sewage reclaims railway carriage or compartment（4）, front stall（2）It is installed in vehicle frame（10）On；
The movable suction box（6）Side is by supporting hinge（11）It is arranged on vehicle frame with can rotating upwardly and downwardly（10）Afterbody, it is described
Tabular wiper（7）Installed in movable suction box（6）Free side, the movable suction box（6）In be coated with dirt sucking tube（601）；Institute
State tabular wiper（7）Including a suction chamber（702）, multiple sewage can be led to suction chamber（702）In sewage inflow entrance（701）,
The sewage inflow entrance（701）It is arranged on tabular wiper（7）Upper and ground（13）The one end being in contact, the sewage inflow entrance
（701）Direction be adapted with sweeping direct of travel, the suction chamber（702）With dirt sucking tube（601）Suction side is connected；
The sewage reclaims railway carriage or compartment（4）Provided with connection mouth（401）, gas outlet（402）, the gas outlet（402）Position higher than connecing
Port（401）, the sewage recovery railway carriage or compartment（4）Connection mouthful（401）Pass through communicating pipe（5）With dirt sucking tube（601）Outlet side connects
It is logical；
The front stall（2）Provided with inlet channel（201）, exhaust passage（202）, the inlet channel（201）Inlet end is by entering
Tracheae（3）Railway carriage or compartment is reclaimed with sewage（4）Gas outlet（402）It is connected, the inlet channel（201）Outlet side and fan assembly
（1）Suction side is connected, the fan assembly（1）Outlet side passes through exhaust passage（202）Air-flow is discharged in outside atmosphere；
The elevating mechanism includes hoist cylinder（8）, crane（9）, the crane（9）One end is arranged in which can rotate upwardly and downwardly
Vehicle frame（10）On, the crane（9）The other end is free end, the crane（9）Free end is rotatably mounted with support
Wheel（901）, the hoist cylinder（8）Piston rod and crane（9）It is hinged, the hoist cylinder（8）Cylinder barrel and vehicle frame
（10）It is hinged；
When system is in use state, the crane（9）Prop up movable suction box in free end（6）, the support wheel（901）
Support ground, and tabular wiper（7）It is upper to carry sewage inflow entrance（701）One end and ground（13）It is in contact；
The crane（9）Free end can be in hoist cylinder（8）Control under by movable suction box（6）Lift；
When system is not at use state, the movable suction box（6）Generally in horizontal positioned state, and movable inhale
Case（6）Pass through fastener（12）It is locked in vehicle frame（10）On.
2. a kind of recovery system for being used to handle ground sewage according to claim 1, it is characterised in that：It is described movable
Suction box（6）On counterweight is installed（602）, the counterweight（602）Close to tabular wiper（7）.
3. a kind of recovery system for being used to handle ground sewage according to claim 1, it is characterised in that：The crane
（9）Free end, which is provided with, is used for the movable suction box of rest（6）Rubber rod（902）.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366035.0A CN107049161B (en) | 2017-05-23 | 2017-05-23 | Recovery system for treating ground sewage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710366035.0A CN107049161B (en) | 2017-05-23 | 2017-05-23 | Recovery system for treating ground sewage |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107049161A true CN107049161A (en) | 2017-08-18 |
| CN107049161B CN107049161B (en) | 2022-08-12 |
Family
ID=59610391
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710366035.0A Active CN107049161B (en) | 2017-05-23 | 2017-05-23 | Recovery system for treating ground sewage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107049161B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612015A (en) * | 2018-05-24 | 2018-10-02 | 扬州金威环保科技有限公司 | A kind of quick changeable module dampness elimination, which is swept, washes ground device |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4763741A (en) * | 1986-04-08 | 1988-08-16 | Idroplina S.R.L. | Steering device for paved surface cleaners |
| JP2005046336A (en) * | 2003-07-29 | 2005-02-24 | Amano Corp | Sewage suction apparatus |
| CN101292853A (en) * | 2008-05-09 | 2008-10-29 | 艾和金 | Drive type floor cleaning machine |
| CN101457517A (en) * | 2008-04-28 | 2009-06-17 | 福建龙马专用车辆制造有限公司 | Pervious asphalt pavement cleaning and curing vehicle |
| CN101579219A (en) * | 2009-06-21 | 2009-11-18 | 艾和金 | Sewage sucking device installed on scrubber |
| CN102304901A (en) * | 2011-08-12 | 2012-01-04 | 苏州大学 | Road ground flushing vacuum truck |
| CN103479305A (en) * | 2012-06-12 | 2014-01-01 | 广州市白云清洁用品有限公司 | Water-circulating floor-cleaning vehicle |
| CN204875644U (en) * | 2015-08-18 | 2015-12-16 | 中国建筑第七工程局有限公司 | A get rid of mud sewage device for building site road surface |
| CN207640336U (en) * | 2017-05-23 | 2018-07-24 | 扬州金威环保科技有限公司 | A kind of recovery system for handling ground sewage |
-
2017
- 2017-05-23 CN CN201710366035.0A patent/CN107049161B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4763741A (en) * | 1986-04-08 | 1988-08-16 | Idroplina S.R.L. | Steering device for paved surface cleaners |
| JP2005046336A (en) * | 2003-07-29 | 2005-02-24 | Amano Corp | Sewage suction apparatus |
| CN101457517A (en) * | 2008-04-28 | 2009-06-17 | 福建龙马专用车辆制造有限公司 | Pervious asphalt pavement cleaning and curing vehicle |
| CN101292853A (en) * | 2008-05-09 | 2008-10-29 | 艾和金 | Drive type floor cleaning machine |
| CN101579219A (en) * | 2009-06-21 | 2009-11-18 | 艾和金 | Sewage sucking device installed on scrubber |
| CN102304901A (en) * | 2011-08-12 | 2012-01-04 | 苏州大学 | Road ground flushing vacuum truck |
| CN103479305A (en) * | 2012-06-12 | 2014-01-01 | 广州市白云清洁用品有限公司 | Water-circulating floor-cleaning vehicle |
| CN204875644U (en) * | 2015-08-18 | 2015-12-16 | 中国建筑第七工程局有限公司 | A get rid of mud sewage device for building site road surface |
| CN207640336U (en) * | 2017-05-23 | 2018-07-24 | 扬州金威环保科技有限公司 | A kind of recovery system for handling ground sewage |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108612015A (en) * | 2018-05-24 | 2018-10-02 | 扬州金威环保科技有限公司 | A kind of quick changeable module dampness elimination, which is swept, washes ground device |
Also Published As
| Publication number | Publication date |
|---|---|
| CN107049161B (en) | 2022-08-12 |
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