CN103669557B - Underground conduit dredging engineering method - Google Patents
Underground conduit dredging engineering method Download PDFInfo
- Publication number
- CN103669557B CN103669557B CN201310659943.0A CN201310659943A CN103669557B CN 103669557 B CN103669557 B CN 103669557B CN 201310659943 A CN201310659943 A CN 201310659943A CN 103669557 B CN103669557 B CN 103669557B
- Authority
- CN
- China
- Prior art keywords
- pipeline
- underground pipeline
- dredging
- pipe
- mud
- 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.)
- Active
Links
Landscapes
- Sewage (AREA)
Abstract
The invention discloses a kind of underground conduit dredging engineering method, it is characterized in that, by pipe dredging device, the mud in described pipeline is concentrated to assigned address, after by external force, described silt displacement is gone out described pipeline.Underground conduit dredging engineering method provided by the invention, effectively can improve the dredging effect of pipeline, greatly reduces the amount of sludge in underground pipeline, makes the mud rate in pipeline control below 5%, ensures that pipeline is unobstructed, improves the drainage efficiency of urban sewerage and drainage system.
Description
Technical field
The present invention relates to field of road maintenance, particularly a kind of underground conduit dredging engineering method of urban road drainage system.
Background technology
In the last few years, constantly there is urban waterlogging problem in various places, directly jeopardizes the safe operation in city and the life security of the people, also result in huge economic loss simultaneously.And causing the reason of urban waterlogging to have a lot, as excessive in rainfall, Poor construction quality of terrace-bank, drainage pipe are damaged.And in the last few years, coastal area typhoon, heavy rain happen occasionally, the rainfall in flood season goes up year by year, and original urban sewerage and drainage system standard cannot meet the dewatering needs of present situation.The dynamics of urban construction is increasing in addition, sandy soil needed for engineering very easily drop in transit and are deposited on road, and rinse inflow drainage system with road surface, the amount of sludge increase in pipeline is caused to cause pipeline obstruction, also can cause rainy day impeded drainage simultaneously, further aggravation urban waterlogging, affects traffic unobstructed, even causes traffic paralysis.How conscientiously improving the drainage efficiency of urban discharging pipeline, reduce pipeline alluvial or blocking, guarantee that pipeline is unimpeded, ensure safety in flood season, is the most effective way solving urban waterlogging.
Conventional pipelines dredger dredging effect at present for dredging pipeline is also undesirable.As shown in Figure 1, for using conventional pipelines dredger dredging pipeline 01.Traditional pipe dredging device comprises circular baffle plate 02; Wire rope 03 one end is connected with baffle plate 02 through catch-basin 04, and the other end is connected with baffle plate 02.The operating personnel being positioned at ground 05 draw baffle plate 02 by wire rope 03 and move right at pipeline 01, promote mud to assigned address.But conventional pipelines dredger is at moving process, the amount of sludge of baffle plate 02 lower end is greater than the amount of sludge of upper end, and needs larger power to promote the closer to the mud of inner-walls of duct.Due to the disc-shaped structure feature of baffle plate 02, baffle plate 02 cannot keep stable in moving process.The mud of lower floor very easily makes baffle plate 02 run-off the straight, and thus baffle plate 02 cannot promote mud and moves.As shown in Figure 2, the baffle plate 02 after inclination cannot to mud 06 applied thrust of lower floor, and it cannot be made to be concentrated to assigned address, and elimination effect is poor, and labour intensity is high, inefficiency.How to improve the elimination effect of pipeline sludge, reduce pipeline alluvial or blocking as much as possible, conscientiously improve the drainage efficiency of urban discharging pipeline, particularly urgently.
Summary of the invention
An object of the present invention is to overcome deficiency of the prior art, provides a kind of and dredges effective underground conduit dredging engineering method.
For realizing above object, the present invention is achieved through the following technical solutions:
Underground conduit dredging engineering method, is characterized in that, by pipe dredging device, the mud in described underground pipeline is concentrated to assigned address, then described silt displacement is gone out described underground pipeline.
Preferably, step is comprised:
A. mud is concentrated: dredged selected underground pipeline by described pipe dredging device, the mud in described selected underground pipeline is concentrated to assigned address;
B1. silt displacement: employing is manually dragged for clearly or the silt displacement concentrating on assigned address is gone out described selected underground pipeline by the method for machinery suction.
Preferably, step a also comprises: before mud is concentrated, carry out shutoff to the upstream of described selected underground pipeline, forms blocking pipe; Described blocking pipe and its upstream isolate; Described blocking pipe is provided with at least one catch-basin; Described catch-basin communicates with ground; Described blocking pipe is drawn water, the sewage in described blocking pipe is detached by described rainwater well head, then by pipe dredging device, the mud in described blocking pipe is concentrated to assigned address.
Preferably, all shutoff is carried out to the upstream and downstream of described selected underground pipeline, itself and upstream and downstream are all isolated.
Preferably, described pipe dredging device comprises dredging device; Described dredging device comprises base and baffle plate, and described base cross section is arc and extends selected length vertically, and described base comprises inner surface and the external surface relative with inner surface; Described baffle plate is arranged on the inner surface of base, and protrudes from described inner surface; Described dredging device moves along described blocking pipe, and the mud in described blocking pipe is pushed into assigned address by described baffle plate.
Preferably, described baffle plate lower end shape matches with the inner surface of described base; Described baffle plate upper end lower than, higher than described base arc two ends or flush with it.
Preferably, described baffle plate is provided with at least one through hole, and described through hole extends along the axis of described base.
Preferably, the external surface of described base is provided with one deck wearing plate; Described wearing plate is rubber layer.
Preferably, described baffle plate is arranged at described base middle part vertically or one end.
Preferably, described pipe dredging device also comprises pull rope; Described pull rope one end is connected with described dredging device; By described pull rope, draw described pipeline drainer and move along described selected underground pipeline.
Preferably, also comprise drive unit, described drive unit draws described pipeline drainer by described pull rope and moves along described selected underground pipeline.
Preferably, air bag is adopted to carry out shutoff to described selected underground pipeline; First described air bag is placed on the assigned address of described selected underground pipeline, then inflates, make it expand in described selected underground pipeline, and fit tightly with underground pipeline inwall, form shutoff.
Preferably, also step b2 is comprised: pipe flushing; After silt displacement, high pressure washing is carried out to described selected underground pipeline, make the mud disengaging that the inwall of described selected underground pipeline remains, and the method that employing is manually dragged for clearly or machinery aspirates is by the silt displacement after flushing.
Preferably, also step b4 is comprised: pipe detection; After silt displacement, detect described selected underground pipeline, whether the dredging effect feeding back described selected underground pipeline reaches requirement.
The pipe dredging device that the present invention uses, is characterized in that, comprise dredging device; Described dredging device comprises base and baffle plate, and described base cross section is arc and extends selected length vertically, and described base comprises inner surface and the external surface relative with inner surface; Described baffle plate is arranged on the inner surface of base, and protrudes from described inner surface; Described dredging device moves along described blocking pipe, and the mud in described blocking pipe is pushed into assigned address by described baffle plate.
Preferably, described baffle plate lower end shape matches with the inner surface of described base; Described baffle plate upper end lower than, higher than described base arc two ends or flush with it.
Preferably, described baffle plate is provided with at least one through hole, and described through hole extends along the axis of described base.
Preferably, the external surface of described base is provided with one deck wearing plate; Described wearing plate is rubber layer.
Preferably, described baffle plate is arranged at described base middle part vertically or one end.
Preferably, also pull rope is comprised; Described pull rope one end is connected with described dredging device; By described pull rope, draw described pipeline drainer and move along described selected underground pipeline.
Preferably, also comprise drive unit, described drive unit draws described pipeline drainer by described pull rope and moves along described selected underground pipeline.
Preferably, described base is provided with the hanging hole of three distributions triangular in shape; Described pull rope is connected with described baffle plate by described hanging hole.
Underground conduit dredging engineering method provided by the invention, effectively can improve the dredging effect of pipeline, greatly reduce the amount of sludge in pipeline, the mud rate in pipeline is made to be down to less than 5%, guarantee pipeline is unobstructed, improves the drainage efficiency of urban sewerage and drainage system, ensures safety in flood season, avoid the generation of urban waterlogging as far as possible, possibility people life property safety endangered drops to minimum.By carrying out shutoff process to the upstream of selected underground pipeline in the present invention, first draw water and dredge afterwards, at anhydrous state, centralized collection is carried out to mud by dredging device, avoid mud with drainage flow, easily concentrate, mud collection efficiency is higher, reduce the resistance of sewage in dredging device moving process simultaneously, substantially increase the cleaning rate of mud in pipeline, shorten the underground conduit dredging duration, also improve operating efficiency while improving cleaning rate, save cost.
Adopt air bag also to carry out shutoff to the downstream of selected underground pipeline, can avoiding being extracted out by the sewage in selected underground pipeline downstream when drawing water simultaneously, reducing workload of drawing water, reduce the working time, operating efficiency improves greatly.The plasticity of air bag is high, and according to the actual conditions of selected underground pipeline inwall, can change own form, adapt to the groove on inwall or projection well, realization fits tightly with selected underground pipeline inwall, and good sealing effect, substantially increases silt displacement effect.
Pipe dredging device provided by the present invention, avoid the problems such as silt displacement weak effect that the structure due to conventional pipelines dredger causes, inefficiency, labour intensity is large, substantially increase the stability of dredging device in moving process, namely improve the drainage efficiency of silt displacement effect and urban discharging pipeline.
Base supporting baffle, base shape and underground pipeline inwall adapt, and ensure that in dredging device moving process and are stably close to selected underground pipeline inwall, even if baffle plate is subject to mud, stop also can not be crooked.The shape of base guarantees that the contact area of dredging device and inner-walls of duct is enough large, improves the stability of dredging device in moving process; On the other hand, coordinate with baffle plate, can effectively by selected underground pipeline, particularly on selected underground pipeline inwall, the mud of set scrapes and concentrates, and substantially increases the drainage efficiency of silt displacement effect and urban discharging pipeline.Baffle plate be arranged on datum axle to middle part time, all can form groove in baffle plate both sides, dredging device is moved around in selected underground pipeline, all can play to mud the effect focused on, improve operating efficiency.The through hole that baffle plate is set up, can pass through for current or a small amount of mud, reduce the moving resistance of dredging device, increase work efficiency in dredging device moving process.The number of hanging hole preferably three, and summit triangular in shape distribution, improve the traction stability of dredging device.Base in pipe dredging device, increases dredging device bottom weight, and when guaranteeing pipe-dredging, dredging device can touch duct bottom walking, greatly can improve dredging effect.
Accompanying drawing explanation
Fig. 1 is the operating diagram of conventional pipelines dredger;
Fig. 2 is the operating diagram after the baffle plate run-off the straight of conventional pipelines dredger;
Fig. 3 is the operating diagram that in the embodiment of the present invention 1, in step a, pipeline draws water;
Fig. 4 is the operating diagram of pipe dredging device in step a in the embodiment of the present invention 1;
Fig. 5 A is the structural representation of dredging device in the embodiment of the present invention 1;
Fig. 5 B is the elevation of dredging device in the embodiment of the present invention 1;
Fig. 6 is the operating diagram of step b1 in the embodiment of the present invention 1;
Fig. 7 is the operating diagram of step b2 in the embodiment of the present invention 1;
Fig. 8 is the pipeline sectional view after having dredged in the embodiment of the present invention 1;
Fig. 9 is the elevation of dredging device in the embodiment of the present invention 2.
Detailed description of the invention
Below in conjunction with accompanying drawing 3-9, the present invention is described in detail:
Embodiment 1
For the dredging maintenance of subsoil drain, the concrete steps of underground conduit dredging engineering method are as follows:
A, underground conduit dredging
As shown in Figure 3, selected underground pipeline 1 is dredged.Selected underground pipeline 1 is provided with two catch-basins 3.Catch-basin 3 is communicated to ground from selected underground pipeline 1.Sewage in selected underground pipeline 1 flows in the direction of the arrow.Air bag 2a is placed on the assigned address of the upstream of selected underground pipeline 1, by inflator, it is inflated, make it expand in selected underground pipeline 1, realize the shutoff to selected underground pipeline 1 upstream; Again air bag 2b is placed on the assigned address in the downstream of selected underground pipeline 1, by inflator, it is inflated, make it expand in selected underground pipeline 1, realize the shutoff to selected underground pipeline 1 downstream; Isolate with its upstream and downstream after selected underground pipeline 1 shutoff, form blocking pipe 12.Adopt air bag 2a and air bag 2b to carry out shutoff respectively to the upstream and downstream of selected underground pipeline, can avoiding being extracted out by the sewage in selected underground pipeline 1 downstream when drawing water simultaneously, reducing workload of drawing water, reduce the working time, operating efficiency improves greatly.The plasticity of air bag 2a and air bag 2b is high, according to the actual conditions of selected underground pipeline 1 inwall, can change own form, adapt to the groove on inwall 11 or projection well, realization fits tightly with selected underground pipeline 1 inwall 11, and good sealing effect, substantially increases silt displacement effect.
Blocking pipe 12 is provided with two catch-basins 3.Pumping conduit 41 extends the bottom of blocking pipe 12 through catch-basin 3, is extracted out by the water in blocking pipe 12 by suction pump 42, reduces the sewage quantity mixed with mud 5 in blocking pipe 12.Sewage can drain in the pipeline 6 in blocking pipe 12 downstream nearby.The lower end of pumping conduit 41 is in the minimum point of whole section of blocking pipe 12, ensures that the water level in blocking pipe 12 drops to minimum, facilitates concentrating of mud 5.
As shown in Fig. 4, Fig. 5 A, Fig. 5 B, it is the operating diagram of pipe dredging device.After sewage is drained, carry out dredging process by pipe dredging device 7 pairs of blocking pipes 12.Pipe dredging device 7 comprises dredging device 71, pull rope 72 and drive unit 73.It is mobile in blocking pipe 12 that drive unit 73 draws dredging device 71 by pull rope 72, promotes mud to close catch-basin 3 place.
As shown in Fig. 5 A, Fig. 5 B, dredging device 71 comprises baffle plate 712 and base 713.As shown in Figure 5 B, base 713 cross section is arc.Base 713 axis is X.Base 713 extends certain length vertically.Its concrete length can be determined according to actual conditions, and its length is longer, more easily keeps stable in moving process.Base 713 comprises inner surface 718 and the external surface (not shown) relative with inner surface 718.The external surface of base 713 is provided with one deck wearing layer 717.The coated whole external surface of wearing layer 717.Wearing layer 717 is rubber layer.Base 713 is provided with the hanging hole 711 of three distributions triangular in shape.
Baffle plate 712 is arranged on the inner surface 718 of base 713, and protrudes from inner surface 718.Baffle plate 712 is arranged at base 713 middle part vertically or one end, and the present embodiment is preferably arranged on axial middle part.Baffle plate 712 lower end shape matches with the inner surface 718 of base 713; Baffle plate 712 upper end 7121 lower than, higher than the two ends (7131,7132) of described base 713 arc or flush with two ends (7131,7132).Baffle plate 712 is provided with multiple through hole 716, and through hole 716 extends along the axis of base 713.
Pull rope 72 one end is connected with the hanging hole 711 on base 713, and the other end is connected with drive unit 73.Drive unit 73 is by pull rope 72, and traction pipeline drainer 71 moves along selected underground pipeline 1.Drive unit 73 is larry, and larry is rotatable.By rotating, pull rope 72 is wrapped on larry by larry, thus dredging device 71 can be pulled to move.Drive unit 72 can also be locomotive, utilizes locomotive to move and pulls pipeline drainer 71 to move.
The base 713 of arc guarantees that dredging device 71 is enough large with the contact area of inwall 11, improves the stability of dredging device 71 in moving process.Base 713 and baffle plate 712 match and are incorporated in baffle plate 712 both sides and all form groove 714, dredging device 71 is moved around in selected underground pipeline 1, all can play to mud the effect focused on, improve operating efficiency.
Utilize baffle plate 712 to promote mud and move to assigned address.Baffle plate 712 is provided with multiple through hole 716, and through hole 716 supplies water and flows through in dredging process, reduces the moving resistance of dredging device, increases work efficiency.The external surface of base 713 is also provided with wearing layer 717.When pipe dredging device is mobile in blocking pipe 12, wearing layer 717 can be avoided base 713 and tube contacts and scratch pipeline.Baffle plate 712 upper end also can protrude from the two ends (7131,7132) of base arc, makes dredging device 71 in moving process, and maximum area ground promotes mud and concentrates.Dredging device 71 is provided with the hanging hole 711 of three summit triangular in shape distributions, enhances dredging device and is being pulled the stability in process.
B1, silt displacement
As shown in Figure 6, adopt the method for machinery suction that the mud 5 concentrated near catch-basin 3 is cleared out of blocking pipe 12, in suction silt pumping car 9.
B2, pipe flushing
As shown in Figure 7, after above-mentioned steps, adopt the inwall 11 of high-pressure washing vehicle 10 pairs of blocking pipes 12 to carry out high pressure washing, mud residual on inwall 11 is departed from.
B3, mud secondary are removed
Mud remaining on inwall 11 draws water to blocking pipe 12 after departing from again, and adopts the method for machinery suction that the silt displacement of inwall 11 remnants is gone out blocking pipe 12.
B4, pipe detection
After above-mentioned steps, adopt pipeline CCTV detection technique to detect blocking pipe 12, the dredging situation in blocking pipe 12 is taken and fed back on display screen, and can realize carrying out quality examination to the inwall 11 of blocking pipe 12.Testing result shows, through above-mentioned steps, the mud rate in blocking pipe 12 is lower than 5%.Wherein mud rate is the percentage that in blocking pipe 12, amount of sludge accounts for blocking pipe 12 capacity.
C, pipeline deblocking
As shown in Figure 8, after above-mentioned steps, first the gas of air bag 2b is released, deblocking is carried out to the downstream of blocking pipe 12; Again the gas of air bag 2c is released, deblocking is carried out to the upstream of blocking pipe 12.The selected underground pipeline 1 that solution is honored as a queen is communicated with its upstream and downstream, recovers unimpeded state.
Embodiment 2
As shown in Figure 9, pipeline drainer comprises baffle plate 742 and base 743.As different from Example 1, on baffle plate 742 without along the extended through hole 716 of the axis of base 743.
Except above-mentioned difference, the other guide of the present embodiment is all identical with embodiment 1.Left and right in the present invention is all reference with Fig. 1, for clearly the present invention being described and the relative concept used.
Embodiment in the present invention, only for the present invention will be described, does not form the restriction to right, other equivalent in fact substituting, all in scope that those skilled in that art can expect.
Claims (10)
1. underground conduit dredging engineering method, is characterized in that, by pipe dredging device, the mud in described underground pipeline is concentrated to assigned address, then described silt displacement is gone out described underground pipeline; Comprise step:
A. mud is concentrated: dredged selected underground pipeline by described pipe dredging device, the mud in described selected underground pipeline is concentrated to assigned address;
B1. silt displacement: employing is manually dragged for clearly or the silt displacement concentrating on assigned address is gone out described selected underground pipeline by the method for machinery suction;
Described pipe dredging device comprises dredging device; Described dredging device comprises base and baffle plate, and described base cross section is arc and extends selected length vertically, and described base comprises inner surface and the external surface relative with inner surface; Described baffle plate is arranged on the inner surface of base, and protrudes from described inner surface; Described dredging device moves along described blocking pipe, and the mud in blocking pipe is pushed into assigned address by described baffle plate; Described baffle plate upper end lower than described base arc two ends or flush with it; Described baffle plate is arranged at described base middle part vertically.
2. underground conduit dredging engineering method according to claim 1, it is characterized in that, step a also comprises: before mud is concentrated, carry out shutoff to the upstream of described selected underground pipeline, forms blocking pipe; Described blocking pipe and its upstream isolate; Described blocking pipe is provided with at least one catch-basin; Described catch-basin communicates with ground; Described blocking pipe is drawn water, the sewage in described blocking pipe is detached by described catch-basin, then by pipe dredging device, the mud in described blocking pipe is concentrated to assigned address.
3. underground conduit dredging engineering method according to claim 2, is characterized in that, all carries out shutoff to the upstream and downstream of described selected underground pipeline, and itself and upstream and downstream are all isolated.
4. underground conduit dredging engineering method according to claim 1, is characterized in that, described baffle plate is provided with at least one through hole, and described through hole extends along the axis of described base.
5. underground conduit dredging engineering method according to claim 1, is characterized in that, the external surface of described base is provided with one deck wearing plate; Described wearing plate is rubber layer.
6. underground conduit dredging engineering method according to claim 1, is characterized in that, described pipe dredging device also comprises pull rope; Described pull rope one end is connected with described dredging device; By described pull rope, draw described pipeline drainer and move along described selected underground pipeline.
7. underground conduit dredging engineering method according to claim 6, is characterized in that, also comprise drive unit, and described drive unit draws described pipeline drainer by described pull rope and moves along described selected underground pipeline.
8. the underground conduit dredging engineering method according to Claims 2 or 3, is characterized in that, adopts air bag to carry out shutoff to described selected underground pipeline; First described air bag is placed on the assigned address of described selected underground pipeline, then inflates, make it expand in described selected underground pipeline, and fit tightly with underground pipeline inwall, form shutoff.
9. underground conduit dredging engineering method according to claim 1, is characterized in that, also comprise step b2: pipe flushing; After silt displacement, high pressure washing is carried out to described selected underground pipeline, make the mud disengaging that the inwall of described selected underground pipeline remains, and the method that employing is manually dragged for clearly or machinery aspirates is by the silt displacement after flushing.
10. underground conduit dredging engineering method according to claim 1, is characterized in that, also comprise step b4: pipe detection; After silt displacement, detect described selected underground pipeline, whether the dredging effect feeding back described selected underground pipeline reaches requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659943.0A CN103669557B (en) | 2013-12-09 | 2013-12-09 | Underground conduit dredging engineering method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310659943.0A CN103669557B (en) | 2013-12-09 | 2013-12-09 | Underground conduit dredging engineering method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103669557A CN103669557A (en) | 2014-03-26 |
| CN103669557B true CN103669557B (en) | 2016-03-30 |
Family
ID=50308267
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310659943.0A Active CN103669557B (en) | 2013-12-09 | 2013-12-09 | Underground conduit dredging engineering method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103669557B (en) |
Families Citing this family (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104612240B (en) * | 2014-12-15 | 2016-07-13 | 中铁建大桥工程局集团第五工程有限公司 | A kind of use is losed heart the method being encapsulated stifled Large Diameter Pipeline storm sewer |
| CN105019551A (en) * | 2015-06-03 | 2015-11-04 | 岳绍凯 | Water dredge method for small pipeline of sewer line |
| CN105908826A (en) * | 2016-04-29 | 2016-08-31 | 南昌工程学院 | Urban drainage pipeline capable of conveniently achieving dredging and blocking preventing |
| CN106862196A (en) * | 2017-02-28 | 2017-06-20 | 重庆交通大学 | Pipe-dredging machine people |
| CN108678138B (en) * | 2018-06-22 | 2020-09-11 | 上海景铭建设发展有限公司 | Urban pipeline dredging device and dredging method using same |
| CN109296055B (en) * | 2018-10-22 | 2021-02-26 | 西北水利水电工程有限责任公司 | Urban pipe network sludge treatment method and system |
| CN109622528B (en) * | 2018-11-19 | 2024-06-11 | 昆明理工大学 | Cleaning device and method for plastic inspection well |
| CN111926907A (en) * | 2020-06-28 | 2020-11-13 | 宁波宏川环境科技有限公司 | Pipeline dredging and dredging method |
| CN114277917A (en) * | 2021-12-17 | 2022-04-05 | 深圳潜水侠创新动力科技有限公司 | Intelligent dredging robot system based on step-by-step pipe network |
| CN117816658A (en) * | 2023-03-22 | 2024-04-05 | 江苏佳泰汽车配件有限公司 | Carbon deposition cleaning device in blast pipe |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330909Y (en) * | 2009-01-12 | 2009-10-21 | 陈宝军 | Water block of pipe |
| CN102535627A (en) * | 2012-01-31 | 2012-07-04 | 北京林大林业科技股份有限公司 | Expansion drainage system for square |
| CN102650145A (en) * | 2012-05-14 | 2012-08-29 | 中国十七冶集团有限公司 | Method for dredging drainage pipeline by winches |
| CN202644713U (en) * | 2012-03-28 | 2013-01-02 | 彭连香 | Two-rope sand digging device |
| CN103233507A (en) * | 2012-11-29 | 2013-08-07 | 长沙正茂环保科技有限公司 | Program control hydraulic residue-filtering type oil-gas pipeline dredging vehicle |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4401248B2 (en) * | 2004-06-21 | 2010-01-20 | 清之 堀井 | Diagnosis and maintenance method of pipe line by parachute using spiral flow |
-
2013
- 2013-12-09 CN CN201310659943.0A patent/CN103669557B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201330909Y (en) * | 2009-01-12 | 2009-10-21 | 陈宝军 | Water block of pipe |
| CN102535627A (en) * | 2012-01-31 | 2012-07-04 | 北京林大林业科技股份有限公司 | Expansion drainage system for square |
| CN202644713U (en) * | 2012-03-28 | 2013-01-02 | 彭连香 | Two-rope sand digging device |
| CN102650145A (en) * | 2012-05-14 | 2012-08-29 | 中国十七冶集团有限公司 | Method for dredging drainage pipeline by winches |
| CN103233507A (en) * | 2012-11-29 | 2013-08-07 | 长沙正茂环保科技有限公司 | Program control hydraulic residue-filtering type oil-gas pipeline dredging vehicle |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103669557A (en) | 2014-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103669557B (en) | Underground conduit dredging engineering method | |
| CN103615010A (en) | Construction method of digging and conveying earth of deep foundation pit through current scour | |
| KR100948551B1 (en) | System for improving water quality of river | |
| CN106045214A (en) | Rain water system for building districts of sponge cities and construction method of rain water system | |
| CN105908826A (en) | Urban drainage pipeline capable of conveniently achieving dredging and blocking preventing | |
| CN206971351U (en) | Miscellaneous inlet for stom water is cut on a kind of integral type road surface | |
| CN202767227U (en) | Retaining self-rinsing device for drainage inverted siphon | |
| CN212927943U (en) | Reverse slope drainage system in open cut tunnel construction process | |
| JP4510922B1 (en) | How to clean buried sewage pipes | |
| CN102720266A (en) | Siphon type dredging device for water storage and drainage tunnel | |
| CN201850643U (en) | Closure deep well self-siphon hydraulic dredging device | |
| CN203878736U (en) | Pipeline dredging apparatus | |
| CN108781577B (en) | Nano capillary-concealed pipe combined soil salt elimination method | |
| CN103669555B (en) | Pipe dredging device | |
| CN103628562B (en) | A kind of retaining from flusher for draining inverted siphon | |
| CN202610962U (en) | Siphon-type desilting device of water storage and drainage tunnel | |
| CN215441978U (en) | Light well point dewatering device under condition of muddy saturated soil texture | |
| CN104963383B (en) | A kind of pressure conduit inverted siphon hydraulic automatism erosion and deposition device | |
| CN205369281U (en) | Radial precipitation structure | |
| CN204370519U (en) | A kind of domatic flowing water and road surface water of utilizing is as the tunnel fire protection system at water source | |
| CN209179133U (en) | A kind of municipal underground blowdown pipelines of silting blocking | |
| CN101892705B (en) | Intercepting deep well self-siphoning hydraulic desilting device | |
| CN205935150U (en) | Rain water pipe assembly | |
| CN104727367B (en) | It is a kind of to rush suction dredge with the function that opens ice | |
| CN110663512A (en) | Water-saving surface irrigation and low-pressure underground pipe network recharging and supplementary mining coupling system for super mining area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB02 | Change of applicant information |
Address after: 200136 Zaozhuang Road, Shanghai, room 683, No. 218, room Applicant after: SHANGHAI PUDONG NEW DISTRICT ROAD CONSTRUCTION DEVELOPMENT CO., LTD. Applicant after: Shanghai Pu public testing technology Limited by Share Ltd Address before: 200136 Zaozhuang Road, Shanghai, room 683, No. 218, room Applicant before: SHANGHAI PUDONG NEW DISTRICT ROAD CONSTRUCTION DEVELOPMENT CO., LTD. Applicant before: Shanghai Pugong Construction Engineering Quality Inspection Co., Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20171009 Address after: 201202 Shanghai city Pudong New Area Sichuan Road No. 699 building 7 Patentee after: Shanghai Pu public testing technology Limited by Share Ltd Address before: 200136 Zaozhuang Road, Shanghai, room 683, No. 218, room Co-patentee before: Shanghai Pu public testing technology Limited by Share Ltd Patentee before: SHANGHAI PUDONG NEW DISTRICT ROAD CONSTRUCTION DEVELOPMENT CO., LTD. |
|
| TR01 | Transfer of patent right |