CN207751513U - A kind of system of analysis conduit deposting distribution - Google Patents
A kind of system of analysis conduit deposting distribution Download PDFInfo
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- CN207751513U CN207751513U CN201820129918.XU CN201820129918U CN207751513U CN 207751513 U CN207751513 U CN 207751513U CN 201820129918 U CN201820129918 U CN 201820129918U CN 207751513 U CN207751513 U CN 207751513U
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- inspection shaft
- pipeline
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- deposting
- inspection
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Abstract
The utility model discloses a kind of systems of analysis conduit deposting distribution, several branch pipes including main pipe and the connection main pipe, several branch pipes are connected to the main pipe, and several inspection shafts are arranged in interval on the branch pipe, and the depth in well head to the shaft bottom of the inspection shaft is more than 2m；Wherein, join end to end, caliber is identical, the unconverted several pipelines of flow are set as one group, every group of ducts upstream inspection shaft number is denoted as n, and downstream line number is denoted as n+1, and inspection shaft installation liquid level gauge and/or flowmeter described in the upstream and downstream of every group of pipeline.The utility model in inspection shaft by installing liquid level gauge or flowmeter, water level or data on flows to acquisition are screened, handled and are analyzed calculating, by it is a kind of it is more economical it is safer in a manner of realize real-time tracking and the monitoring of drainage pipeline deposting distribution situation, provide related foundation for the dredging period of drainage pipeline.
Description
Technical field
The utility model belongs to pipe detection field, more particularly to a kind of system of analysis conduit deposting distribution.
Background technology
Sewage is discharged into treatment facility by drainage pipeline collection, but the suspended solid in sewage can be sent out in transmission process
Raw precipitation；With the growth of drainage pipeline service time, the possibility of siltation sharply increases, and it is drainage pipeline networks that pipeline siltation, which blocks,
The major issue faced in daily operation management.Frictional head loss can be caused to increase in deposit siltation waterpower, cause to drain
It is unsmooth, cause the overload operation of drainage system and combined sewer overflow to reach in advance, or even overflow road surface, causes ponding and pollution
Environment.
Currently used for judging that drainage pipeline silts the common methods of distribution up for artificial investigation and CCTV detections (drainage pipeline electricity
Inspection is surveyed).For the big-diameter pipeline that personnel can enter, economically, construction personnel can be sent to be directly entered inspection
Record, and for the unapproachable pipeline of personnel, CCTV detections can be used.CCTV detecting systems are made of three parts, i.e. master control
Device manipulates cable frame, " robot " crawl device with pick-up lens；Main controller is mounted on crawl device, and operator passes through master control
Device controls forward speed and direction of the crawl device in pipeline, and controls pick-up lens and the video image inside pipeline is passed through line
Cable is transferred on main controller display screen, and operator can monitor pipeline internal state in real time, while by original image record storage
Get off, is further analyzed；After completing the field process of CCTV, the volume of defect of pipeline is carried out according to the Video Document of detection
Code simultaneously captures defect picture, and writes examining report, and handles acording to the requirement of user CCTV image datas, provides
Video-tape or CD achieve, and instruct following pipeline rehabilitation work.
The shortcomings that above-mentioned artificial investigation method is that situation is complicated in drainage pipeline, and there are certain density poisonous and harmful gas
Body may threaten to the safety and health of staff；And the shortcomings that CCTV detections is equipment costliness, operating process is more
Complexity, and checking process influences pipe network operation.It is real to lack a kind of simply and effectively grasp drainage pipeline networks in operational management at present
The system of border operation conditions, with the daily siltation situation of evaluation of subterranean drainage pipeline networks, the hydraulic analysis in drainage pipeline networks and maintenance
Necessary data are provided in dredging management to support.
Utility model content
The utility model provides a kind of system of analysis conduit deposting distribution, right by installing liquid level gauge in inspection shaft
The waterlevel data of acquisition is screened, handled and is analyzed calculating, by it is a kind of it is more economical it is safer in a manner of realize drainage pipeline become silted up
The real-time tracking of product distribution situation and monitoring, related foundation is provided for the dredging period of drainage pipeline.
The technical solution of the utility model is as follows：
A kind of system of analysis conduit deposting distribution, including main pipe and several branch pipes for connecting the main pipe, it is several described
Branch pipe is connected to the main pipe, and interval is arranged several inspection shafts on the branch pipe, the depth of the well head of the inspection shaft to shaft bottom
More than 2m；
Wherein, it joins end to end, caliber is identical, the unconverted several pipelines of flow are set as one group, every group of ducts upstream
Inspection shaft number is denoted as n, and downstream line number is denoted as n+1, and the inspection shaft described in the upstream and downstream of every group of pipeline installs liquid level gauge
And/or flowmeter.
Preferably, when being equipped with liquid level gauge in the inspection shaft, the total length L of every group of pipeline and every group of pipeline
The ratio between radius d L/d ＜ 1000.
Preferably, a host equipment is also set up on the borehole wall of the inspection shaft；The outside ground of the inspection shaft is equipped with
The bottom of one pit-hole, the pit-hole is connected to by opening up a through-hole with the inspection shaft, and an antenna is arranged in the pit-hole, described
The connector that antenna is one is penetrated from the through-hole in the inspection shaft；The connector of the antenna, the liquid level gauge and/or institute
Flowmeter is stated to be electrically connected with the host equipment, the host equipment also with an external platform radio connection, the platform
On can show data in the inspection shaft that the host equipment uploads.
Preferably, the cable of the liquid level gauge and/or the flowmeter does a label, institute from its sound end measurement 1.5m
It states and marks with the lower surface of the host equipment in the same horizontal line.
Preferably, the host equipment is horizontally set on the borehole wall of the inspection shaft, upper surface and the ground of the antenna
Face maintains an equal level.
Compared with prior art, the beneficial effects of the utility model are as follows：
It is provided to pipe parameter by the system of the analysis conduit deposting distribution of the utility model and checks Well Water Level/flow
Data, to be handled and be analyzed calculating, so that it may with realize monitoring pipeline deposit situation purpose, be the pipe dredging period
And the determination of dredging sequence provides a kind of economic, safe and efficient method；
Pipe network water level monitoring technology comparative maturity, data precision are higher；It is convenient that O＆M is installed, is capable of providing duration data；
Overall cost is relatively low；
When degree is silted in acquisition up, without shutting off, harsh implementation condition is not needed, under conditions of pipe network normal operation
It can be analyzed, it is easy to implement；
Monitoring data can be preserved and be accumulated, therefore can realize data comparison, can be to effect before and after implementation dredging engineering
It is compared；
Certainly, any product for implementing the utility model does not necessarily require achieving all the advantages described above at the same time.
Description of the drawings
Fig. 1 is that flowing full pipeline deposits in the method using the system of the analysis conduit deposting distribution situation of the utility model
Locate skiagraph；
Fig. 2 is a kind of vertical face figure of the system of analysis conduit deposting distribution situation of the utility model；
Fig. 3 is a kind of plan view of the system of analysis conduit deposting distribution situation of the utility model；
It is marked in figure：1- main pipes；2- branch pipes；3- inspection shafts；4- liquid level gauges；AGreatlyWithout conduit cross-sectional area at sediment,
m2；AIt is smallThere are conduit cross-sectional area at sediment, m2；v1Without fluids within pipes flow velocity, m/s at sediment2；v2Have at sediment
Fluids within pipes flow velocity, m/s2。
Specific implementation mode
With reference to specific embodiment, the utility model is expanded on further.It should be understood that these embodiments are merely to illustrate
The utility model, rather than limit the scope of protection of the utility model.Those skilled in the art are according to this in practical applications
The modifications and adaptations that utility model is made, still fall within the scope of protection of the utility model.
In order to better illustrate the utility model, the utility model is described in detail below with attached drawing.
A kind of system of analysis conduit deposting distribution, the pipeline include main pipe 1 and connect several branch pipes of the main pipe 1
2, several branch pipes 2 are connected to the main pipe 1, and several inspection shafts 3, the well of the inspection shaft is arranged in interval on the branch pipe 2
The depth in mouth to shaft bottom is more than 2m, and liquid level gauge 4 is equipped in the inspection shaft 3；Also can be as needed, liquid level gauge 4 is replaced with and is worked as
Right flowmeter；
Wherein, it joins end to end, caliber is identical, the unconverted several pipelines of flow are set as one group, every group of ducts upstream
Inspection shaft number is denoted as n, and downstream line number is denoted as n+1, and the inspection shaft described in the upstream and downstream of every group of pipeline installs liquid level gauge
And/or flowmeter.
Further, when being equipped with liquid level gauge in the inspection shaft, total length L and the every group of pipeline of every group of pipeline
The ratio between radius d L/d ＜ 1000.
Further, a host equipment is also set up on the borehole wall of the inspection shaft；It is set on the outside ground of the inspection shaft
There are a pit-hole, the bottom of the pit-hole to be connected to the inspection shaft by opening up a through-hole, an antenna, institute are set in the pit-hole
The connector for stating one, antenna is penetrated from the through-hole in the inspection shaft；The connector of the antenna, the liquid level gauge and/or
The flowmeter is electrically connected with the host equipment, and the host equipment is described flat also with an external platform radio connection
The data in the inspection shaft of the host equipment upload can be shown on platform.
Further, the cable of the liquid level gauge and/or the flowmeter does a label from its sound end measurement 1.5m,
The lower surface of the label and the host equipment is in the same horizontal line.
Further, the host equipment is horizontally set on the borehole wall of the inspection shaft, the upper surface of the antenna with
Ground maintains an equal level.
The installation of liquid level gauge/flowmeter, antenna, host equipment includes the following steps in the present embodiment：
One, installation prepares
1. the spray painting whether having for identifying is checked on well lid, be confirmed whether it is the point if contacting watching focus personnel without if
Position；
2. opening well lid with pick after confirming, waited for 2 minutes after opening well lid, whether situation meets following in observation well
Mounting condition：
A. the borehole wall is firm, can be used to load-bearing terminal device, and expansion bolt is not easy to loosen；
B. need in well gas odor in acceptable range；
C. if there is ladder in well, confirm that ladder will not jamming equipment radar measured data；
D. the depth from well head to shaft bottom is greater than 2m；
E. confirm that water level can install equipment in well, terminal installation site to water surface distance is at least more than 60cm；
F. installation can be carried out；
3. meet mounting condition, computer is opened, field strength is tested with Solarnumen Comdebug, finds antenna and most preferably install
Point；
Two, installation steps
1. the extraction device from packing case confirms E ＆ SP completely and without damage；
2. full socket by host equipment etc. is clogged with paper, prevent when mounted dregs fall and block socket；
3. in the pre-installed position of antenna, close to walling crib and antenna length can and range (avoiding metal walling crib), use tool
The cylindrical pit-hole of 100mm (diameter) X 100mm (depth) is beaten downwards on road surface, and diameter is dug not in pit-hole bottom centre position
Through-hole less than 22mm does not communicate in well, to place antenna；
4. taking out antenna, one connector (not remove protective case) of antenna is penetrated from through-hole in well, while by day
Line is smooth to be positioned in pit-hole；
5. being tamped the space of pit-hole internal antenna top periphery and lower part with embedding material, the surface of antenna is sure to and ground
Maintain an equal level, and clear up the extra embedding material of antenna surface, when landfill is careful not to damage antenna connector；
6. according to expansion bolt specification Choice of Bits, in the position drilling tool apart from well head more than 30cm according to installation
The hole bit distribution situation punching of holder；
7. the fixed expansion bolt in each mounting hole is installed equipment supporter and fastened, holder need to be with borehole wall level；
8. a position punching fixed expansion hook is chosen outside rack mounting apertures 10cm, for fixing liquid level gauge；
9. installing host equipment, and fasten, host equipment also needs to use level meter calibrated horizontal；
10. placing a wheal from liquid level gauge cable since one end of popping one's head in is measured 1.5m, then liquid level gauge is fixed on
On expansion hook hitch, need to ensure the lower surface (wave transparent plate) of the mark and host equipment on liquid level gauge cable in same horizontal line position
It sets；
11. if the probe of liquid level gauge is submerged in water, need to pop one's head in promotion placement in air；
12. taking out the protective case of antenna connector, antenna, liquid level gauge are inserted into host equipment corresponding position；
13. antenna cables are placed on inside equipment supporter, prevent cable suspension from plug being caused to loosen；
14. then and on platform measure the water surface in well with survey tool checks that terminal uploads to the distance of equipment lower end
Data compared, confirm field data it is correct, the data of upload may have very much, and it is accurate to compare the data acquired after clock synchronization
Property；
15. liquid level gauge is put into water；
16. coating underwater paint at jack interface；
17. installation terminates, cover well lid, try not to allow well lid hole face equipment of uncapping above, finishing tool, further
Secondary confirmation terminal whether normal communication (well lid starts at least to see 2 groups of data from the cover).
A kind of system of analysis conduit deposting distribution according to the present utility model, the data that liquid level gauge or flow measurement obtain
Hn or Qn carries out deposting distribution situation analysis, includes the following steps：
S1：Obtain each drainage pipeline parameter, including pipe range, caliber, conduit slope, the coefficient of roughness；Carry out pipeline grouping, packet
Include will join end to end in drainage system, caliber is identical, the unconverted several pipelines of flow are divided into one group, every group of ducts upstream inspection
It looks into well number and is denoted as n, downstream line number is denoted as n+1, and the total pipe range of n-th group is denoted as L, caliber is denoted as d, and when grouping pays attention to making every
The L/d ＜ 1000 of group pipeline；And the inspection shaft described in the upstream and downstream of every group of pipeline installs liquid level gauge；
S2：The screening and processing for carrying out waterlevel data, obtain the water level Hn of the inspection shaft；
S3：It is flowing full pipe or non-full flow tube according to streamflow regime in pipeline, carries out following water forces：
S31：For flowing full pipe, water-headΔH is mainly by local head loss hOfficeWith frictional head loss hEdgeComposition, wherein
It is to cause local head loss h to silt object in pipeline upOfficeThe main reason for, the upstream and downstream inspection shaft water-head of n-th group pipeline sectionΔHn,Δ
Hn=hnOffice+hnEdge, according to hnOfficeWith hnEdgeRelative size judge siltation situation：
(a) local head loss hnOffice＜ ＜ frictional head loss hnEdge, n-th group pipeline silts front and back water-head up and becomes without apparent
Change, n-th group pipeline is judged to being not easy the pipeline that deposits；
(b)N-th group pipeline is determined as the pipeline that easily deposits；
S32：For non-full flow tube, siltation situation is judged using the Floyd's algorithm Fr and water velocity v of flow, Fr and v are adopted
Use calculating formula：
WithIn formula：
H indicates certain section depth of water in pipeline, m；N indicates the pipeline coefficient of roughness；R indicates hydraulic radius, m；I indicates pipeline slope
Degree；G indicates acceleration of gravity, m/s2；
Judgment method is：
(c) when Fr ＞ 1, water flow in pipeline is torrent, and since flow velocity is larger, the probability for silting occur is relatively low, this group of pipeline
Belong to and is not easy the pipeline that deposits；
(d) as Fr ＜ 1, v ＞ 0.6m/s, this group of pipeline is that there may be siltation pipelines；
(e) as Fr ＜ 1 and v ＜ 0.6m/s, this group of pipeline is the pipeline that easily deposits.
In the step S31N-th group pipeline is determined as the pipeline that easily deposits, and exists and silts object up,
Siltation grade classification is carried out to it to include the following steps：
S3101：The frictional head loss h of flowing full pipeEdgeIt is calculated using darcy-weber formula, calculating formula is as follows：
H in formulafFor frictional head loss, i.e. hEdge；D is pipe diameter, m；L is duct length, m；V is average for the cross-section of river
Flow velocity, m/s；G is acceleration of gravity, m/s2；λ is frictional resistant coefficient,C is to thank to ability coefficient,Its
Middle n is the pipeline coefficient of roughness；
S3102：Referring to Fig. 1, that group of pipeline where silting object up is reduced to reduce pipeline and sudden enlargement pipeline suddenly
The local head loss h at pipeline is reduced in parallel connection suddenly1Calculating sees below formula,
Local head loss h at sudden enlargement pipe2Calculating sees below formula,
In formula：AGreatlyFor conduit cross-sectional area at no sediment, m2；AIt is smallTo have conduit cross-sectional area at sediment, m2；v1For
Without fluids within pipes flow velocity, m/s at sediment2；v2To have fluids within pipes flow velocity at sediment, m/s2；
From mass conservation law：Q=v1×AGreatly=v2×AIt is small；
And local head loss hOffice=h1+h2, therefore
The head and the tail of an interval time are chosen as initial time and terminate the time, in originally implementing, are divided between access time
Year is as initial time and terminates the time, obtains initial time respectively and terminates each group of pipeline upstream and downstream inspection of time
Look into the waterlevel data H of wellBeginning n、HBeginning n+1、HWhole n、HWhole n+1, the water levels of upstream and downstream difference h at two time points is calculatedBegin=HBeginning n+1-HBeginning nWith
hEventually=HWhole n+1-HWhole n, local head loss hOffice=HEventually-HBegin, frictional head loss hEdge=HBegin, therefore
By the H of n-th group pipelineBeginning n、HBeginning n+1、HWhole n、HWhole n+1, d, λ, L substitute into above formula in be calculated this group
Pretty numerical values recited is arranged in order, and is divided into multiple siltation grades,Numerical value is got over
Greatly, the pipeline siltation of these level is more serious.Such as each groupBy after being ranked sequentially from small to large, it is divided into three groups and corresponds to
Three grades is followed successively by severe siltation, general siltation, slight siltation；It is of course also possible to be divided into as needed two grades, four
Grade or more multi-grade.
Further, further include step S3104：Pipe network figure is drawn, and according to the siltation grade of the step S3103
Different colors is marked on the pipe network figure.
Further, in the step S2, the screening of the waterlevel data includes：For each inspection shaft, if per
It is that dry day selects one group of non-rainfall day and change the waterlevel data that gentle one fixes the period in waterlevel data curve；The water level
The processing of data includes：For every group of waterlevel data, it is averaged after rejecting the big waterlevel data of deviation, obtains the inspection shaft
Water level Hn.It can be weekly per several days herein, is 20 days every, monthly, every year or other times interval, not being limited herein.
In other embodiments, the liquid level gauge installed in inspection shaft replaces with flowmeter, other steps are the same as above-mentioned implementation
Example, including obtain each drainage pipeline parameter, and carry out pipeline grouping, including will join end to end in drainage system, caliber is identical, stream
It measures unconverted several pipelines and is divided into one group, every group of ducts upstream inspection shaft number is denoted as n, and downstream line number is denoted as n+1；
And the inspection shaft described in the upstream and downstream of every group of pipeline installs flowmeter, records the numerical value of flowmeter in upstream and downstream inspection shaft respectively
Qn、Qn+1；
If Qn+1/Qn＜ 1 then illustrates that silting occurs in this group of pipeline, by the Q of each groupn+1/QnIt is arranged in order by numerical values recited, and
It is divided into multiple siltation grades, Qn+1/QnNumerical value is smaller, and the pipeline siltation of these level is more serious.
The preferred embodiment in the utility model disclosed above is only intended to help to illustrate the utility model.Preferred embodiment is simultaneously
There is no the details that detailed descriptionthe is all, does not limit the specific implementation mode that the utility model is only described yet.Obviously, according to this theory
The content of bright book can make many modifications and variations.These embodiments are chosen and specifically described to this specification, is in order to preferably
The principles of the present invention and practical application are explained, to enable skilled artisan to be best understood by and utilize this
Utility model.The utility model is limited only by the claims and their full scope and equivalents.
Claims (5)
1. a kind of system of analysis conduit deposting distribution, which is characterized in that several branch pipes including main pipe and the connection main pipe,
Several branch pipes are connected to the main pipe, and interval is arranged several inspection shafts on the branch pipe, the well head of the inspection shaft to well
The depth at bottom is more than 2m；
Wherein, it joins end to end, caliber is identical, the unconverted several pipelines of flow are set as one group, every group of ducts upstream inspection
Well number is denoted as n, and downstream line number is denoted as n+1, and the inspection shaft installation liquid level gauge described in the upstream and downstream of every group of pipeline and/or
Flowmeter.
2. the system of analysis conduit deposting distribution according to claim 1, which is characterized in that installed when in the inspection shaft
When having liquid level gauge, the ratio between the total length L of every group of pipeline and the radius d of every group of pipeline L/d ＜ 1000.
3. the system of analysis conduit deposting distribution according to claim 1, which is characterized in that on the borehole wall of the inspection shaft
Also set up a host equipment；The outside ground of the inspection shaft is equipped with a pit-hole, and the bottom of the pit-hole is logical by opening up one
Hole is connected to the inspection shaft, and an antenna is arranged in the pit-hole, and the connector that the antenna is one penetrates institute from the through-hole
It states in inspection shaft；The connector of the antenna, the liquid level gauge and/or the flowmeter are electrically connected with the host equipment,
With an external platform radio connection, the inspection that the host equipment uploads can be also shown on the platform for the host equipment
Look into the data in well.
4. the system of analysis conduit deposting distribution according to claim 3, which is characterized in that the liquid level gauge and/or institute
The cable for stating flowmeter does a label from its sound end measurement 1.5m, described to mark the lower surface with the host equipment same
On one horizontal line.
5. the system of analysis conduit deposting distribution according to claim 3, which is characterized in that the host equipment level is set
It sets on the borehole wall of the inspection shaft, upper surface and the ground of the antenna maintain an equal level.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201820129918.XU CN207751513U (en) | 2018-01-25 | 2018-01-25 | A kind of system of analysis conduit deposting distribution |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820129918.XU CN207751513U (en) | 2018-01-25 | 2018-01-25 | A kind of system of analysis conduit deposting distribution |
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ID=63154197
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077864A (en) * | 2019-12-24 | 2020-04-28 | 上海水顿智能科技有限公司 | Intelligent drainage scheduling and analyzing method and system |
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2018
- 2018-01-25 CN CN201820129918.XU patent/CN207751513U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111077864A (en) * | 2019-12-24 | 2020-04-28 | 上海水顿智能科技有限公司 | Intelligent drainage scheduling and analyzing method and system |
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