CN106345760A - Filter material wave duct dredging device - Google Patents

Filter material wave duct dredging device Download PDF

Info

Publication number
CN106345760A
CN106345760A CN201610754118.2A CN201610754118A CN106345760A CN 106345760 A CN106345760 A CN 106345760A CN 201610754118 A CN201610754118 A CN 201610754118A CN 106345760 A CN106345760 A CN 106345760A
Authority
CN
China
Prior art keywords
driving device
wave duct
slide
wall
chain
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.)
Pending
Application number
CN201610754118.2A
Other languages
Chinese (zh)
Inventor
王胜
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.)
Shandong Sunway Garden Technology Co Ltd
Original Assignee
Shandong Sunway Garden Technology 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
Application filed by Shandong Sunway Garden Technology Co Ltd filed Critical Shandong Sunway Garden Technology Co Ltd
Priority to CN201610754118.2A priority Critical patent/CN106345760A/en
Publication of CN106345760A publication Critical patent/CN106345760A/en
Pending legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B9/00Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027Cleaning the internal surfaces; Removal of blockages
    • B08B9/032Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing
    • B08B9/0321Cleaning the internal surfaces; Removal of blockages by the mechanical action of a moving fluid, e.g. by flushing using pressurised, pulsating or purging fluid
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B13/00Accessories or details of general applicability for machines or apparatus for cleaning
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B08CLEANING
    • B08BCLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04Cleaning involving contact with liquid
    • B08B3/10Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/14Removing waste, e.g. labels, from cleaning liquid; Regenerating cleaning liquids

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Filtration Of Liquid (AREA)

Abstract

The invention discloses a filter material wave duct dredging device in the technical field of dredging devices. The filter material wave duct dredging device comprises a bottom plate, wherein a sliding block driving device is arranged on the top of the bottom plate; a sliding block is arranged on the top of the sliding block driving device; a motor is arranged on the top of the sliding block; a guiding rod is arranged on the outer wall of a flushing pipe; a flushing box is arranged at the right end of the flushing pipe; a filter material wave duct is arranged on the right wall of the flushing box; a circulating pump is arranged at the right end of a return pipe; a chain is arranged in a cavity of the sliding block driving device; a tensioner sprocket is arranged on the left side of the top of the chain; the top end of the tensioner sprocket is fixed on the top of the sliding block driving device; and the top of the sliding block is fixedly arranged on the top of the chain. By a recycling device, high-pressure water is recycled, waste liquid is prevented from polluting the environment, by a purifying device and a filtering device, washed water can be filtered and reused through the recycling device, water resources are saved, and the filtered water can be reused.

Description

A kind of filtrate wave duct dredger
Technical field
The present invention relates to dredger technical field, specially a kind of filtrate wave duct dredger.
Background technology
Existing dredging device to more than filtrate wave duct using compressed air as power source.Compressed air is used as filtrate The power source of operation dredged by wave duct, and drilling rod rotation, advance and retreat, impact need respectively using compressed air, and needs to keep continuing Supply, gas consumption is big it is impossible to guarantee long-term smooth supply, it is impossible to ensure smoothly operation production, consumes the production time, reduces Dredging speed, low production efficiency, when Pneumatic rotary, impact part work, noise is very big, the audition health of impact operator, right Surrounding impacts, and is not suitable for life-time service.Such as Chinese Patent Application No. is that a kind of pipeline of 201510038516.x is dredged Exchange device, its dredging portion have can transversal stretching or deformation position, dredging portion be adapted for insertion in pipeline making can transversal stretching, make Dredging portion is fitted tightly with the inwall of pipeline, thus playing sealing effectiveness, when now pushing or pulling up operating portion, dredging portion and stifled Space between plug thing will form high pressure or negative pressure with respect to normal ambient air pressure, relies primarily on the negative of pull-up operating portion formation Pressure clearing up tamper, in scale removal process tamper will not splash out, more health;Dredging portion and pipe in use Can keep between road inwall fitting tightly, thus bring preferable sealing effectiveness so that dredge blockage thing is easier;And dredge Logical portion first gos deep into deforming upon in pipeline so that the pipe dredging device of the present invention can adapt to different size, different shape again Pipeline in, highly versatile, it is impossible to ensure that smoothly operation produces, consumes the production time, reduces dredging speed, produce effect Rate is low, and waste liquid is not easy to reclaim, and for example Chinese Patent Application No. is a kind of 201310141508.9 pipe dredging devices, including one A circular hole is opened, this bore inner diameter is less than u at the individual u shape pipe carrying two mouths of pipe, the centrage centering of a mouth of pipe wherein The shape pipe mouth of pipe, rotation head blowpipe inserts this circular hole and becomes gap to coordinate, and the head of rotation head blowpipe is provided with metal spiral blade, outside blade Footpath is less than rotation head blowpipe external diameter, connects rubber hose in the other end of rotation head blowpipe, communicates with compressed air source.Described u shape pipe The centre-to-centre spacing of two mouth of pipe centre-to-centre spacing and adjacent exchange tubes coincide, become gap cooperation it is impossible to ensure that smoothly operation produces, Consume the production time, reduce dredging speed, low production efficiency, waste liquid is not easy to reclaim, in view of problem mentioned above, this Invention designs a kind of filtrate wave duct dredger, mentioned above to solve the problems, such as.
Content of the invention
It is an object of the invention to provide a kind of filtrate wave duct dredger, to solve the work proposing in above-mentioned background technology Make efficiency low, operation noise is larger, waste liquid is not easy to reclaim, the larger problem of pollution to environment.
For achieving the above object, the present invention provides a kind of following technical scheme: filtrate wave duct dredger, including base plate, The top of described base plate is provided with slide-driving device, and the bottom two ends of described slide-driving device are provided with leg, described Leg is arranged on the top two ends of base plate, and the top of described slide-driving device is provided with slide block, the top setting of described slide block There is motor, the outfan of described motor is connected with reductor, and the right wall of described reductor is provided with flush pipe, described flush pipe Outer wall is provided with guide post, and the bottom of described guide post is arranged on the top of slide-driving device, and the right-hand member of described flush pipe sets It is equipped with flushing cisterns, the right wall of described flushing cisterns is provided with filtrate wave duct, and the outer wall of described filtrate wave duct is provided with fixing device, institute The bottom stating fixing device is provided with support bar, and the bottom of described support bar is arranged on the top of base plate, the right side of described flushing cisterns Wall bottom is provided with return duct, and the right-hand member of described return duct is provided with circulating pump, and the top of described circulating pump is provided with water pipe, institute The top stating water pipe is arranged on the inner chamber of filtrate wave duct, and the inner chamber of described slide-driving device is provided with chain, described chain Top left side is provided with tightener sprocket, and the top of described tightener sprocket is fixed on the top of slide-driving device, described slide block Top is fixedly installed on the top of chain, is provided with driven pulley, sets on the left of the inner chamber of described chain on the right side of the inner chamber of described chain It is equipped with drivewheel, the top left of described base plate is provided with belt motor, and the outfan outer wall of described belt motor is provided with skin Band, the outfan of described belt motor is connected with the outer wall of drivewheel by belt, and the right-hand member of described flush pipe is provided with flushing Brush, described washout is arranged on the inner chamber of filtrate wave duct, and the intracavity bottom of described flushing cisterns is provided with filter screen.
Preferably, described leg includes upper mounted plate, and the bottom of fixed plate is provided with brace, the bottom of described brace Portion is provided with bottom plate, and the top of fixed plate and bottom plate is provided with installing hole.
Preferably, described fixing device includes train wheel bridge, and the top of described train wheel bridge is provided with cushion, described cushion Top be provided with screw, the bottom of described train wheel bridge is provided with lower plate, and described train wheel bridge, cushion and lower plate top are equal It is provided with screw, the bottom of described train wheel bridge and the top of lower plate are provided with half slot.
Preferably, the top of described slide-driving device is provided with regulating block, and the inner chamber of described regulating block is provided with regulation Bolt, the outer wall of described tightener sprocket is provided with bearing pin, and described tightener sprocket is connected with regulating bolt by bearing pin.
Preferably, the top of described slide-driving device is provided with the chute matching with slide block 4.
Compared with prior art, the invention has the beneficial effects as follows: this kind of filtrate wave duct dredger, it is to avoid using pneumatic dynamic Power source, reduces noise using motor as power source, washes away the Behavior of Hardened Cement Paste on filtrate wave duct tube wall using High-Pressure Water simultaneously Improve dredging effect Deng dirt, keep continuous and creep into, improve efficiency and drive washout to clean in filtrate wave duct by motor, The Behavior of Hardened Cement Paste of residual on inside pipe wall can be removed easily, dredging operation is mainly carried out in flushing cisterns, by the waste liquid after dredging Filtration through drainage screen, then the water after filtering is back to the inner chamber of flush pipe by circulating pump, circulation flushing, using circulation dress Put and make high pressure water circulation use avoid the pollution to environment for the waste liquid, setting purifies, defecator, makes the brill in recirculated water grind bits Effectively purified, separated, recycle device be can achieve the filtration to wash water and recycling, has saved water resource, filtered Water afterwards, repeats and utilizes, and structure is simple, has compact conformation, take up room little, safe and convenient to use, low cost and other advantages.
Brief description
Fig. 1 is present configuration schematic diagram;
Fig. 2 is present invention slider driving device structure schematic diagram;
Fig. 3 is flushing cisterns structural representation of the present invention;
Fig. 4 is stand bar structure schematic diagram of the present invention;
Fig. 5 is fixing device explosive view of the present invention;
Fig. 6 is tightener sprocket structural representation of the present invention.
In figure: 1 base plate, 2 slide-driving devices, 3 legs, 31 upper mounted plates, 32 braces, 33 bottom plates, 34 installing holes, 4 slide blocks, 5 motors, 6 reductors, 7 flush pipes, 8 guide posts, 9 flushing cisterns, 10 filtrate wave ducts, 11 fixing devices, 111 train wheel bridges, 112 screws, 113 cushions, 114 screws, 115 lower plates, 116 half slots, 12 support bars, 13 return ducts, 14 circulating pumps, 15 water Pipe, 16 belts, 17 chains, 18 tightener sprockets, 181 regulating blocks, 182 regulating bolts, 183 bearing pins, 19 driven pulleys, 20 drivewheels, 21 belt motors, 22 washouts, 23 filter screens.
Specific embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clear, complete Site preparation description is it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.It is based on Embodiment in the present invention, it is every other that those of ordinary skill in the art are obtained under the premise of not making creative work Embodiment, broadly falls into the scope of protection of the invention.
Refer to Fig. 1-6, the present invention provides a kind of a kind of technical scheme: filtrate wave duct dredger, including base plate 1, institute The top stating base plate 1 is provided with slide-driving device 2, and the bottom two ends of described slide-driving device 2 are provided with leg 3, institute State the top two ends that leg 3 is arranged on base plate 1, the top of described slide-driving device 2 is provided with slide block 4, the top of described slide block 4 Portion is provided with motor 5, and the outfan of described motor 5 is connected with reductor 6, and the right wall of described reductor 6 is provided with flush pipe 7, The outer wall of described flush pipe 7 is provided with guide post 8, and the bottom of described guide post 8 is arranged on the top of slide-driving device 2, institute The right-hand member stating flush pipe 7 is provided with flushing cisterns 9, and the right wall of described flushing cisterns 9 is provided with filtrate wave duct 10, described filtrate wave duct 10 Outer wall be provided with fixing device 11, the bottom of described fixing device 11 is provided with support bar 12, the bottom of described support bar 12 It is arranged on the top of base plate 1, the right wall bottom of described flushing cisterns 9 is provided with return duct 13, the right-hand member setting of described return duct 13 There is circulating pump 14, the top of described circulating pump 14 is provided with water pipe 15, and the top of described water pipe 15 is arranged on filtrate wave duct 10 Inner chamber, the inner chamber of described slide-driving device 2 is provided with chain 17, and the top left side of described chain 17 is provided with tightener sprocket 18, the top of described tightener sprocket 18 is fixed on the top of slide-driving device 2, and the top of described slide block 4 is fixedly installed on chain The top of bar 17, is provided with driven pulley 19 on the right side of the inner chamber of described chain 17, be provided with actively on the left of the inner chamber of described chain 17 Wheel 20, the top left of described base plate 1 is provided with belt motor 21, and the outfan outer wall of described belt motor 21 is provided with belt 16, the outfan of described belt motor 21 is connected with the outer wall of drivewheel 20 by belt 16, the right-hand member setting of described flush pipe 7 There is washout 22, described washout 22 is arranged on the inner chamber of filtrate wave duct 10, the intracavity bottom of described flushing cisterns 9 is provided with filter screen 23.
Wherein, described leg 3 includes upper mounted plate 31, and the bottom of fixed plate 31 is provided with brace 32, described oblique The bottom of bar 32 is provided with bottom plate 33, and the top of fixed plate 31 and bottom plate 33 is provided with installing hole 34, Leg 3 is allow preferably to fix base plate 1 and slide-driving device 2, described fixing device 11 includes train wheel bridge 111, described The top of train wheel bridge 111 is provided with cushion 113, and the top of described cushion 113 is provided with screw 114, described train wheel bridge 111 Bottom be provided with lower plate 115, described train wheel bridge 111, cushion 113 and lower plate 115 top are provided with screw 112, The top of the bottom of described train wheel bridge 111 and lower plate 115 is provided with half slot 116, fixing filtrate wave duct 10, prevents filtrate Wave duct 10 bends under gravity, and the top of described slide-driving device 2 is provided with regulating block 181, described regulating block 181 Inner chamber be provided with regulating bolt 182, the outer wall of described tightener sprocket 18 is provided with bearing pin 183, and described tightener sprocket 18 passes through Bearing pin 183 is connected with regulating bolt 182, when chain 17 elastic, it can be carried out with tensioning process, described slider-actuated dress The top putting 2 is provided with the chute matching with slide block 4, facilitates the slip of slide block 4.
Operation principle: belt motor 21 drives drivewheel 20 to rotate so that chain 17 operates, when chain 17 by belt 16 When occurring loosening, tightener sprocket 18 has tension, and it can be fastened, and the operating band movable slider 4 of chain 17 is in slide block The top slide of driving means 2 so that flush pipe 7 extends the inner chamber of filtrate wave duct 10, motor 5 drive flush pipe 7 to rotate so that Flush pipe 7 can preferably carry out dredging operation in the inner chamber depths of filtrate wave duct 10, and guide post 8 is supported to flush pipe 7 And guiding is it is ensured that dredge washout 22 steady operation in operation process, dredging operation is mainly carried out in flushing cisterns 9, will The filtration through drainage screen 23 for the waste liquid after dredging, then the water after filtering is back in filtrate wave duct 10 by circulating pump 14 Chamber, circulation flushing.
Although an embodiment of the present invention has been shown and described, for the ordinary skill in the art, permissible Understand and can carry out multiple changes, modification, replacement to these embodiments without departing from the principles and spirit of the present invention And modification, the scope of the present invention be defined by the appended.

Claims (5)

1. a kind of filtrate wave duct dredger, including base plate (1) it is characterised in that: the top of described base plate (1) is provided with slide block Driving means (2), the bottom two ends of described slide-driving device (2) are provided with leg (3), and described leg (3) is arranged on bottom The top two ends of plate (1), the top of described slide-driving device (2) is provided with slide block (4), the top setting of described slide block (4) There is motor (5), the outfan of described motor (5) is connected with reductor (6), and the right wall of described reductor (6) is provided with flush pipe (7), the outer wall of described flush pipe (7) is provided with guide post (8), and the bottom of described guide post (8) is arranged on slide-driving device (2) top, the right-hand member of described flush pipe (7) is provided with flushing cisterns (9), and the right wall of described flushing cisterns (9) is provided with filtrate ripple Pipe (10), the outer wall of described filtrate wave duct (10) is provided with fixing device (11), and the bottom of described fixing device (11) is provided with Support bar (12), the bottom of described support bar (12) is arranged on the top of base plate (1), and the right wall bottom of described flushing cisterns (9) sets It is equipped with return duct (13), the right-hand member of described return duct (13) is provided with circulating pump (14), the top setting of described circulating pump (14) Have a water pipe (15), the top of described water pipe (15) is arranged on the inner chamber of filtrate wave duct (10), described slide-driving device (2) interior Chamber is provided with chain (17), and the top left side of described chain (17) is provided with tightener sprocket (18), described tightener sprocket (18) Top is fixed on the top of slide-driving device (2), and the top of described slide block (4) is fixedly installed on the top of chain (17), institute It is provided with driven pulley (19) on the right side of the inner chamber stating chain (17), on the left of the inner chamber of described chain (17), be provided with drivewheel (20), The top left of described base plate (1) is provided with belt motor (21), and the outfan outer wall of described belt motor (21) is provided with skin Band (16), the outfan of described belt motor (21) is connected with the outer wall of drivewheel (20) by belt (16), described flush pipe (7) right-hand member is provided with washout (22), and described washout (22) is arranged on the inner chamber of filtrate wave duct (10), described flushing cisterns (9) intracavity bottom is provided with filter screen (23).
2. a kind of filtrate wave duct dredger according to claim 1 it is characterised in that: solid in the inclusion of described leg (3) Fixed board (31), the bottom of fixed plate (31) is provided with brace (32), and the bottom of described brace (32) is provided with lower fixation Plate (33), the top of fixed plate (31) and bottom plate (33) is provided with installing hole (34).
3. a kind of filtrate wave duct dredger according to claim 1 it is characterised in that: described fixing device (11) includes Train wheel bridge (111), the top of described train wheel bridge (111) is provided with cushion (113), the top setting of described cushion (113) There is screw (114), the bottom of described train wheel bridge (111) is provided with lower plate (115), described train wheel bridge (111), cushion (113) and lower plate (115) top is provided with screw (112), the bottom of described train wheel bridge (111) and lower plate (115) Top is provided with half slot (116).
4. a kind of filtrate wave duct dredger according to claim 1 it is characterised in that: described slide-driving device (2) Top be provided with regulating block (181), the inner chamber of described regulating block (181) is provided with regulating bolt (182), described tightener sprocket (18) outer wall is provided with bearing pin (183), and described tightener sprocket (18) is connected with regulating bolt (182) by bearing pin (183).
5. a kind of filtrate wave duct dredger according to claim 1 it is characterised in that: described slide-driving device (2) Top be provided with the chute matching with slide block (4).
CN201610754118.2A 2016-08-29 2016-08-29 Filter material wave duct dredging device Pending CN106345760A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610754118.2A CN106345760A (en) 2016-08-29 2016-08-29 Filter material wave duct dredging device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610754118.2A CN106345760A (en) 2016-08-29 2016-08-29 Filter material wave duct dredging device

Publications (1)

Publication Number Publication Date
CN106345760A true CN106345760A (en) 2017-01-25

Family

ID=57857404

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201610754118.2A Pending CN106345760A (en) 2016-08-29 2016-08-29 Filter material wave duct dredging device

Country Status (1)

Country Link
CN (1) CN106345760A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107876520A (en) * 2017-11-29 2018-04-06 济南大正东智车用管路有限公司 One kind cleaning steel pipe inner wall device
CN110653226A (en) * 2019-09-29 2020-01-07 无锡巨亿机械有限公司 A comprehensive belt cleaning device for hydro-cylinder

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0457682B1 (en) * 1990-05-18 1994-01-26 Cogema (Compagnie Generale Des Matieres Nucleaires) Method of unblocking a pipe carrying dangerous products
CN203170649U (en) * 2013-01-28 2013-09-04 朱英林 Device for cleaning oil pipe and taking out lining pipe
CN204294586U (en) * 2014-11-26 2015-04-29 安东石油技术(集团)有限公司 Pipe dredging device
CN204470222U (en) * 2015-01-05 2015-07-15 武汉科技大学 A kind of inner tubal wall mechanical centrifugal cleaning and descaling device
CN204503716U (en) * 2015-01-15 2015-07-29 杭州华能大坝安全工程技术有限公司 A kind of anti-seepage repair tube cleaning arrangement
CN105344671A (en) * 2015-10-14 2016-02-24 苏州新协力特种工业模板有限公司 Acid pickling device for pipeline interior

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0457682B1 (en) * 1990-05-18 1994-01-26 Cogema (Compagnie Generale Des Matieres Nucleaires) Method of unblocking a pipe carrying dangerous products
CN203170649U (en) * 2013-01-28 2013-09-04 朱英林 Device for cleaning oil pipe and taking out lining pipe
CN204294586U (en) * 2014-11-26 2015-04-29 安东石油技术(集团)有限公司 Pipe dredging device
CN204470222U (en) * 2015-01-05 2015-07-15 武汉科技大学 A kind of inner tubal wall mechanical centrifugal cleaning and descaling device
CN204503716U (en) * 2015-01-15 2015-07-29 杭州华能大坝安全工程技术有限公司 A kind of anti-seepage repair tube cleaning arrangement
CN105344671A (en) * 2015-10-14 2016-02-24 苏州新协力特种工业模板有限公司 Acid pickling device for pipeline interior

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107876520A (en) * 2017-11-29 2018-04-06 济南大正东智车用管路有限公司 One kind cleaning steel pipe inner wall device
CN110653226A (en) * 2019-09-29 2020-01-07 无锡巨亿机械有限公司 A comprehensive belt cleaning device for hydro-cylinder

Similar Documents

Publication Publication Date Title
CN204294586U (en) Pipe dredging device
CN107715566A (en) A kind of simple automatic water body filters miscellaneous device
CN107503377A (en) A kind of municipal water supply pumping equipment assembles and disassembles cleaning all-in-one with sewage inspection well lid
CN106345760A (en) Filter material wave duct dredging device
CN113550413A (en) Hydraulic engineering dredging device and dredging method thereof
CN111271988A (en) Heat exchange and sand washing dual-purpose equipment
CN106902561A (en) A kind of sewage disposal debris separation equipment
CN106830180A (en) A kind of construction site sewage disposal device
CN109898633A (en) A kind of sewage network maintenance system
CN108516864A (en) A kind of watering curing means for constructing tunnel lining concrete
CN108571161A (en) A kind of constructing tunnel scaffold surface concrete and clod remove equipment
CN207904976U (en) A kind of municipal water supply pumping equipment sewage inspection well lid assembly and disassembly cleaning all-in-one machine
CN113319056B (en) Ultra-high cleaning treatment device for semiconductor aluminum alloy parts
CN206168067U (en) Quick filtration equipment of industrial waste residue filter material
CN201127859Y (en) Built-in sludge scraping and suction machine
CN213965559U (en) Device for recycling produced sewage for oilfield development water injection well
CN209276922U (en) A kind of small-sized railway ballast smoothing machine
CN113600571A (en) High-efficient desilting device of pipeline for hydraulic engineering construction
CN108343262B (en) A kind of wall environment-friendly demounting device
CN112933694A (en) Extrusion formula waste water draw-out device for garden engineering
CN203271587U (en) Drilling-type fast pore-forming system
CN205873715U (en) River silt hoist device
CN220810731U (en) Belt conveyor for wet sandstone aggregate production line
CN110185079A (en) A kind of dredging device for river channels applied to hydraulic engineering
CN115738397B (en) Advection type aeration sand extraction system

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
RJ01 Rejection of invention patent application after publication
RJ01 Rejection of invention patent application after publication

Application publication date: 20170125