CN107121177A - Open channel and conduit wastewater flow integral standard device - Google Patents
Open channel and conduit wastewater flow integral standard device Download PDFInfo
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- CN107121177A CN107121177A CN201710469984.1A CN201710469984A CN107121177A CN 107121177 A CN107121177 A CN 107121177A CN 201710469984 A CN201710469984 A CN 201710469984A CN 107121177 A CN107121177 A CN 107121177A
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- 239000002351 wastewater Substances 0.000 title claims abstract description 17
- 238000001514 detection method Methods 0.000 claims abstract description 54
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 50
- 238000012360 testing method Methods 0.000 claims description 14
- 239000011521 glass Substances 0.000 claims description 12
- 239000007788 liquid Substances 0.000 claims description 10
- 238000012795 verification Methods 0.000 claims description 5
- 238000004891 communication Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 5
- 230000008901 benefit Effects 0.000 abstract description 3
- 230000005540 biological transmission Effects 0.000 abstract 1
- 230000001276 controlling effect Effects 0.000 description 16
- 238000005259 measurement Methods 0.000 description 7
- 238000009434 installation Methods 0.000 description 6
- 230000009471 action Effects 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000007613 environmental effect Effects 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000012544 monitoring process Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000275 quality assurance Methods 0.000 description 1
- 238000003908 quality control method Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000001105 regulatory effect Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 238000010200 validation analysis Methods 0.000 description 1
Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F25/00—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume
- G01F25/10—Testing or calibration of apparatus for measuring volume, volume flow or liquid level or for metering by volume of flowmeters
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- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
Abstract
Open channel and conduit wastewater flow integral standard device, including water flow controlling system, open channel detection section, pipe detection section, inverted-loop tube and backflow canal.The head end connection of water flow controlling system respectively with the open channel detection section, pipe detection section for installing proving flowmeter and tested flowmeter；The tail end of open channel detection section is arranged on the top of backflow canal porch, backflow canal access water flow controlling system；Inverted-loop tube is the " u "-shaped water pipe of the both ends open stood upside down, and entrance one end of inverted-loop tube is connected with pipe detection section, the outlet other end access backflow canal of inverted-loop tube.The transmission of quantity value standard set-up that integrally combines as a kind of open channel and conduit wastewater flow of the present invention, with having saved construction space, saving construction cost, the advantages of utilization ratio is obviously improved.The invention belongs to flow measuring apparatus detection technique field.
Description
Technical field
The invention belongs to flow measuring apparatus detection technique field, and in particular to open channel and conduit wastewater flow integral standard
Device.
Background technology
In order to strengthen the supervision and management of water environment pollution thing total amount, functional and reliable and stable flow and water need to be equipped with
Matter monitoring instrument.Environmental Protection in China product sewage flowmeter calibrating/rated capacity more weakness is, it is necessary to build complete water environment flow
Monitoring instrument examines and determine/standard set-up is calibrated, to meet environmental protection product technical requirements-ultrasonic open channel flowmeter (HJ/T
15-2007) key index with ultrasonic wave pipeline flowmeter (HJ/T 366-2007) is detected, so as to be China's flowmeter technology
It is required that providing technical support with quality assurance/control method, also the standard of satisfaction is provided for environment-friendly products quality supervision and control department
It is required that calibrating/calibrator (-ter) unit.At present, for the quality supervision and control of open-channel meter, there is open-channel meter calibrating/calibration cartridge
Put；For the quality supervision and control of pipeline flowmeter, there is pipeline flowmeter calibrating/calibrating installation.But, when manufacturing enterprise needs
When carrying out open-channel meter, calibrating/calibration of pipeline flowmeter simultaneously, it may be necessary to two different places or places go into
Row detection；And for same metering validation activity or third party testing agency, respectively simultaneously build make open-channel meter calibrating/
Not only space-consuming is big for calibrating installation, pipeline flowmeter calibrating/calibrating installation, it is high to expend big, cost, and comparatively utilizes
It is inefficient.
The content of the invention
In view of the above-mentioned problems, the present invention provides a kind of saving construction space and cost, utilization ratio high open channel and pipeline
Discharge of sewage integral standard device, it also has high performance advantage.
Open channel and conduit wastewater flow integral standard device, including water flow controlling system, open channel detection section, pipe detection
Section, inverted-loop tube and backflow canal；Water flow controlling system detects the head end connection of section, pipe detection section with open channel respectively；Open channel is detected
The tail end of section is arranged on the top of backflow canal, backflow canal access water flow controlling system；Inverted-loop tube is the both ends open of handstand
" u "-shaped water pipe, one end of inverted-loop tube is connected with pipe detection section tail end, the other end access backflow canal of inverted-loop tube., open channel
Detection section, pipe detection section are mounted on proving flowmeter and tested flowmeter.Using this structure, by the direction for switching current
It can realize that open-channel meter or pipeline flowmeter calibrating/calibration, i.e. present apparatus possess open channel and pressure conduit two in the present apparatus
Class flowmeter flow detection function, has saved construction space and cost；Water flow controlling system and backflow canal are shared, device utilizes effect
Rate is obviously improved.
As a preferred embodiment, water flow controlling system include upper reservoir, lower cistern, upper hose, feed pipe, elevator pump,
Control gate valve A, control gate valve B, control gate valve C, overflow pipe, upper hose is sequentially connected after elevator pump, control gate valve A to be stored in access
Pond, the feed pipe picked out from upper reservoir is divided into the head that access open channel after two branch roads, branch road connection control gate valve B detects section
The head end of access pipe detection section, overflow pipe connection upper reservoir and lower cistern after end, another branch road connection control gate valve C.
Using this structure, the flow of open channel detection section and the flow and flow velocity of pipe detection section can be preferably regulated and controled respectively, flow is examined
Survey result more accurate.
As a preferred embodiment, open channel detection section includes the open channel verification section connected successively and open channel test section.Using this knot
Structure, the open channel test section that section and the tested open-channel meter of installation are verified for providing the open channel of normal stream quantity value comparison is separated,
It is easy to the installation of tested open-channel meter and the measure of flow.
As a preferred embodiment, open channel verification section include right angle sharp-crested weir, open channel standard liquid level gauge, rectangular channel E, cowling panel and
Glass jar stilling well, glass jar stilling well on the rectangular channel E outer walls and with the liquid communication in rectangular channel E, cowling panel sets
Put before glass jar stilling well, open channel standard liquid level gauge is installed in glass jar stilling well, right angle sharp-crested weir is arranged on open channel
Verify the joint of section and open channel test section.Using this structure, rectified action that cowling panel can reach to feed pipe to flow simultaneously subtracts
Delay the unstability of current, it is to avoid the influence of the factor such as water flow fluctuation, and can guarantee that current are freely flowed through and be mounted with tested open channel
The open channel test section of flowmeter.Therefore it can more accurately measure and flow through the flow standard values that open channel detects section.
As a preferred embodiment, open channel test section includes rectangular channel F, cowling panel, tested open-channel meter；Tested open channel flow rate
Meter includes tested flowmeter sensor, secondary meter and the supporting weir slot of tested flowmeter, is detected the supporting amount of open-channel meter
Mill weir groove is installed on rectangular channel F afterbody, and cowling panel is arranged in rectangular channel F and in the tested supporting weir slot of open-channel meter
Before.Using this structure, cowling panel, which can reach, to be verified Duan Lailiu rectified action to open channel and slows down the unstability of current, is kept away
Exempt from the influence of the factors such as water flow fluctuation, the loss of flood peak of tested open-channel meter can be reduced and Flow Measuring System error is reduced.
As a preferred embodiment, pipe detection section includes the calibrating pipeline for three conventional calibers be arrangeding in parallel, correspondence difference
The pepe standard flowmeter and tested pipeline flowmeter of caliber, be detected pipeline flowmeter include tested pipeline flow flowmeter sensor and
Secondary meter, calibrating pipeline one end and feed pipe connection, the other end and inverted-loop tube connection, the leading portion of calibrating pipeline are equipped with control
Check valve, pepe standard flowmeter be arranged on control gate valve after, be detected pipeline flowmeter be arranged on pepe standard flowmeter it
Afterwards.Using this structure, by opening and closing the control gate valve of three calibrating pipelines, the quilt of three kinds of different sizes can be measured respectively
Pipeline flowmeter is examined, detection performance is improved.
As a preferred embodiment, tested pipeline flow flowmeter sensor is external clamping, tested pipeline flow flowmeter sensor is installed in
On pipeline outer wall after pepe standard flowmeter.Using this structure, the pipe laying external clamping sensor before active segment, with
Meet the measurement demand of the tested pipeline flowmeter of dissimilar sensor.
As a preferred embodiment, calibrating pipeline includes one section of active segment and canned paragraph, active segment is located at pepe standard flowmeter
Afterwards, and between the two ends of active segment and canned paragraph it is detachable connection；Tested pipeline flow flowmeter sensor is pipeline access type,
Tested pipeline flow flowmeter sensor is replaced into active segment in calibrating pipeline.Using this structure, when tested pipeline flowmeter sensing
When device is pipeline access type sensor, access conduit canned paragraph is installed after can active segment be dismantled.So as to meet different type biography
The measurement demand of the tested pipeline flowmeter of sensor.
As a preferred embodiment, backflow canal is a rectangular channel, the closing of rectangular channel one end, another end opening, backflow canal closing
One end be arranged on the lower section that open channel detects section tail end, the lower cistern of one end access of backflow channel opening., can be using this structure
It is connected to the lower cistern that water flow controlling system is rapidly back to after open channel detection section or inverted-loop tube water outlet.
Advantages of the present invention：
1st, open channel is detected that section, pipe detection section are combined with inverted-loop tube by sharing water flow controlling system and backflow canal, it is real
Existing integration, therefore water (flow) direction can be switched by adjusting on feed pipe control gate valve, open channel flow rate is realized in the present apparatus
Calibrating/calibration of meter or pressure conduit flowmeter；So as to improve the detection performance of the present apparatus, and it is empty to save the construction of device
Between.
2nd, section is detected using verifying the open channel that section and open channel test section constitute by open channel, and employ cowling panel, to flowing
With rectified action and the unstability of current can be slowed down, it is to avoid the influence of the factor such as water flow fluctuation.Simple installation, can be significantly
The Flow Measuring System error of the tested open-channel meter of reduction.
3rd, pipe detection section includes three parallel calibrating pipelines, is set to the calibrating pipeline of conventional different tube diameters and carries
Dismountable active segment.Therefore by opening and closing the gate valve on three calibrating pipelines, three kinds of different tube diameters can be measured respectively
The tested pipeline flowmeter of specification, and the measurement of the tested pipeline flowmeter of external clamping sensor and access type sensor can be met
Demand, enhances the detection function of the present apparatus.When carrying out the detection of pipeline flowmeter, every kind of caliber calibrating water flow in pipeline is even
Speed passes through pepe standard flowmeter and tested flowmeter, it is ensured that more accurate and stable measurement result.
4th, water flow controlling system is employed with upper reservoir, lower cistern, upper hose, the water supply for being divided into two branch roads
Pipe, overflow pipe, thus can preferably adjusting means circulating water flow flow velocity and flow so that improve flow measurement the degree of accuracy and
Stability.
Brief description of the drawings
Fig. 1 is the structural representation of open channel and conduit wastewater flow integral standard device.
Wherein, 1 is water flow controlling system, and 2 be that open channel verifies section, and 3 be open channel test section, and 4 be that open channel detects section, and 5 be pipe
Road detects section, and 6 be inverted-loop tube, and 7 be backflow canal, and 8 be pepe standard flowmeter, and 9 be tested pipeline flowmeter, and 10 be active segment,
11 be Baxeer slot, and 12 be tested open channel flow rate flowmeter sensor, and 13 be cowling panel, and 14 be right angle sharp-crested weir, and 15 be standard liquid level
Meter, 16 be upper water storage box, and 17 be upper hose, and 18 be overflow pipe, and 19 be feed pipe, and 20 be control gate valve A, and 21 be lower cistern,
22 be elevator pump, and 23 be control gate valve B, and 24 be control gate valve C.
Embodiment
The present invention is further illustrated below in conjunction with the accompanying drawings.
Open channel and conduit wastewater flow integral standard device, including water flow controlling system, open channel determine section, pipe detection
Section, inverted-loop tube and backflow canal.Water flow controlling system detects the head end connection of section, pipe detection section with open channel respectively；Open channel is detected
Section is arranged on the top of backflow canal, and the tail end water outlet of open channel detection section is freely discharged into backflow canal, backflow canal access water flow controlling system
System；Inverted-loop tube is the " u "-shaped water pipe of the both ends open stood upside down, and one end of inverted-loop tube is connected with pipe detection section, inverted-loop tube
The other end access backflow canal.
Water flow controlling system (as dotted line frame is surrounded part in Fig. 1) includes upper reservoir, lower cistern, upper hose, confession
Water pipe, elevator pump, control gate valve A, control gate valve B, control gate valve C, overflow pipe, upper hose are sequentially connected elevator pump, control lock
Upper reservoir is accessed after valve A, the feed pipe picked out from upper reservoir is accessed after being divided into two branch roads, branch road connection control gate valve B
Open channel detects the head end of access pipe detection section after the head end of section, another branch road connection control gate valve C, the upper retaining of overflow pipe connection
Pond and lower cistern.The water opened in elevator pump, lower cistern is pumped into upper reservoir by upper hose, regulation control lock
Valve A can adjust the flow that current are conveyed into upper reservoir.Water in upper reservoir is delivered to bright after voltage stabilizing by feed pipe
Canal detects section or pipe detection section, by control gate valve B and control gate valve C switchings, so that switching current flows into open channel detection
The branch road of section or pipe detection section.
Open channel detection section includes the open channel verification section connected successively and open channel test section.Open channel verification section includes right angle thin-walled
Weir, open channel standard liquid level gauge, rectangular channel E, cowling panel and glass jar stilling well, glass jar stilling well is on rectangular channel E outer walls
And by the liquid communication in communicating pipe and rectangular channel E, open channel standard liquid level gauge is installed in glass jar stilling well, cowling panel
It is arranged on before glass jar stilling well, right angle sharp-crested weir is arranged on the joint that open channel verifies section and open channel test section.Open channel is tried
Testing section includes rectangular channel F, cowling panel, tested open-channel meter.By the supporting weir slot of tested open-channel meter (in the present embodiment
For Baxeer slot) rectangular channel F afterbody is installed on, cowling panel is arranged in rectangular channel F and in the supporting mill weir groove of tested flowmeter
Before.In the present embodiment, rectangular channel E, rectangular channel F is seamless connects.
Inverted-loop tube is the " u "-shaped water pipe stood upside down, inverted-loop tube both ends open, inverted-loop tube one end and pipe detection section tail end
It is connected, the other end extends down into backflow canal after passing upward through inverted U-shaped bending tube position；It is three in pipe detection section tail end
Mouth is connected, the pipeline access backflow canal extended downwardly, and provided with control gate valve D.
In the present embodiment, calibrating of the pipe detection section including pepe standard flowmeter, three conventional calibers be arrangeding in parallel
Pipeline and tested pipeline flowmeter, being detected pipeline flowmeter includes tested pipeline flow flowmeter sensor and secondary meter, every inspection
Standard pipe flowmeter is provided with fixed tube road, the head end of calibrating pipeline is equipped with control gate valve, standard pipe flowmeter peace
After control gate valve, it is detected pipeline flowmeter and is located at after standard pipe flowmeter, calibrating pipeline one end and feed pipe connects
Connect, the entrance connection of the other end and inverted-loop tube.Three calibrating pipelines are set to different conventional calibers, so as to measure three
Plant the tested pipeline flowmeter of dimension.Include canned paragraph and one section of active segment in each calibrating pipeline, active segment is set
In after pepe standard flowmeter, while the two ends of active segment are connected by flange and calibrating pipeline canned paragraph, active segment can be torn open
Tested pipeline flowmeter access type sensor is installed after unloading, can also before active segment pipe laying external clamping sensor, with
Meet the measurement demand of the tested pipeline flowmeter of dissimilar sensor.Current in feed pipe are flowed through after calibrating pipeline, from
The one end open of inverted-loop tube enters, and backflow canal is discharged into from another end opening of inverted-loop tube behind the bending part of inverted-loop tube.
The canal that flows back is a rectangular channel, and rectangular channel one end is closed, another end opening, and one end that backflow canal is closed is arranged on bright
Canal detects the lower section of section tail end, the lower cistern of one end access of backflow channel opening.Rectangular channel F water outlet, inverted-loop tube go out current
Enter the canal that flows back, the lower cistern of water flow controlling system is flowed into through the canal port of export that flows back.
In the present embodiment, rectangular channel E, rectangular channel F are arranged on above backflow canal, in rectangular channel E, rectangular channel F joint
Right angle sharp-crested weir is installed.One branch road of the feed pipe of water flow controlling system and rectangular channel E head end connect, and on this branch road
Provided with control gate valve B；Another branch road of feed pipe and three calibrating pipelines are connected, and provided with control gate valve C on this branch road.
The branch road of three calibrating pipelines of pipe detection section and the feed pipe being connected with calibrating pipeline is arranged on the side of rectangular channel.
The operation principle and flow of the present invention：The open channel that tested open-channel meter is arranged on into the present apparatus on request detects section
Above or by tested pipeline flowmeter it is arranged in the pipe detection of present apparatus section, starts and regulation water flow controlling system, make current
The proving flowmeter and tested flowmeter in section, simultaneously operating proving flowmeter and tested flow are detected through wherein one branch road
Meter, compares the instantaneous delivery value that both show or exported, can calculate the flow degree of accuracy and the repeatability of tested flowmeter.Regulation
Water flow control system, regulation enters the flow of detection section, ensure to be stable in present apparatus measurement range by technical requirements
In the case of any flow point, the corresponding data on flows of tested flowmeter is measured respectively, is computed analysis to obtain tested stream
Calibrating/calibration result of gauge.
The control gate valve B and control gate valve C of water flow control system are adjusted, so as to switch the different water supply branch on feed pipe
Road, reaches the purpose for switching different detection branch.For example open control gate valve B, turn off control gate valve C, then current are flowed into
Open channel detects section, exactly carries out the detection of open-channel meter；And turn off control gate valve B, open control gate valve C, then current stream
Enter pipe detection section, exactly carry out the detection of pipeline flowmeter.
In fact, for pipe detection section, the different tube diameters calibrating pipeline of more than three quantity is may also set up, for detective tube
The changes such as the quantity change in road still belong to protection scope of the present invention without departing from essence of the invention.
Above-described embodiment is invention preferably embodiment, but embodiments of the present invention are not limited by above-described embodiment
System, other any Spirit Essences without departing from the present invention and the change made under principle, modification, replacement, combine, simplification,
Equivalent substitute mode is should be, is included within protection scope of the present invention.
Claims (9)
1. open channel and conduit wastewater flow integral standard device, it is characterised in that：Detected including water flow controlling system, open channel
Section, pipe detection section, inverted-loop tube and backflow canal；Water flow controlling system detects that section, the head end of pipe detection section connect with open channel respectively
Connect；The tail end of open channel detection section is arranged on the top of backflow canal, backflow canal access water flow controlling system；Inverted-loop tube is handstand
The " u "-shaped water pipe of both ends open, one end of inverted-loop tube is connected with pipe detection section tail end, and the other end of inverted-loop tube is accessed back
Flow canal.
2. open channel as claimed in claim 1 and conduit wastewater flow integral standard device, it is characterised in that：Water flow controlling system
Including upper reservoir, lower cistern, upper hose, feed pipe, elevator pump, control gate valve A, control gate valve B, control gate valve C, spilling water
Pipe, upper hose accesses upper reservoir after being sequentially connected elevator pump, control gate valve A, and the feed pipe picked out from upper reservoir is divided into two
Access open channel detects access tube after the head end of section, another branch road connection control gate valve C after branch road, branch road connection control gate valve B
Detect the head end of section, overflow pipe connection upper reservoir and lower cistern in road.
3. open channel as claimed in claim 2 and conduit wastewater flow integral standard device, it is characterised in that：Pipe detection section bag
Include calibrating pipeline, the pepe standard flowmeter and tested pipeline flow of correspondence different tube diameters of the conventional caliber of three be arranged in parallel
Meter, being detected pipeline flowmeter includes tested pipeline flow flowmeter sensor and secondary meter, calibrating pipeline one end and feed pipe connection,
The other end and inverted-loop tube connection, the leading portion of calibrating pipeline are equipped with control gate valve, and pepe standard flowmeter is arranged on control gate valve
Afterwards, pipeline flowmeter is detected to be arranged on after pepe standard flowmeter.
4. open channel as claimed in claim 3 and conduit wastewater flow integral standard device, it is characterised in that：Tested pipeline flow
Flowmeter sensor is external clamping, is detected on the pipeline outer wall after pipeline flow flowmeter sensor is installed in pepe standard flowmeter.
5. open channel as claimed in claim 3 and conduit wastewater flow integral standard device, it is characterised in that：Calibrating pipeline includes
One section of active segment and canned paragraph, active segment are located at after pepe standard flowmeter, and for can between the two ends of active segment and canned paragraph
It is detachably connected with；Tested pipeline flow flowmeter sensor is pipeline access type, senses tested pipeline flowmeter in calibrating pipeline
Device replaces active segment.
6. open channel as claimed in claim 2 and conduit wastewater flow integral standard device, it is characterised in that：The canal that flows back is one
Rectangular channel, rectangular channel one end closing, another end opening, one end of backflow canal closing is arranged under the tail end of open channel detection section
The lower cistern of water flow controlling system is accessed in side, one end of backflow channel opening.
7. open channel as claimed in claim 1 and conduit wastewater flow integral standard device, it is characterised in that：Open channel detects section bag
Include the open channel verification section connected successively and open channel test section.
8. open channel as claimed in claim 7 and conduit wastewater flow integral standard device, it is characterised in that：Open channel verifies section bag
Right angle sharp-crested weir, open channel standard liquid level gauge, rectangular channel E, cowling panel and glass jar stilling well are included, glass jar stilling well is located at rectangle
On groove E outer walls and with the liquid communication in rectangular channel E, cowling panel is arranged on before glass jar stilling well, open channel standard liquid level
Meter is installed in glass jar stilling well, and right angle sharp-crested weir is arranged on the joint that open channel verifies section and open channel test section.
9. open channel as claimed in claim 7 and conduit wastewater flow integral standard device, it is characterised in that：Open channel test section bag
Include rectangular channel F, cowling panel, tested open-channel meter；Tested open-channel meter include tested flowmeter sensor, secondary meter and
The supporting weir slot of tested flowmeter, the tested supporting weir slot of open-channel meter is installed on rectangular channel F afterbody, and cowling panel is set
It is placed in rectangular channel F and before the tested supporting weir slot of open-channel meter.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469984.1A CN107121177B (en) | 2017-06-20 | 2017-06-20 | Standard device integrating open channel and pipeline sewage flow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710469984.1A CN107121177B (en) | 2017-06-20 | 2017-06-20 | Standard device integrating open channel and pipeline sewage flow |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107121177A true CN107121177A (en) | 2017-09-01 |
| CN107121177B CN107121177B (en) | 2023-06-27 |
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ID=59720061
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710469984.1A Active CN107121177B (en) | 2017-06-20 | 2017-06-20 | Standard device integrating open channel and pipeline sewage flow |
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| CN (1) | CN107121177B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108955838A (en) * | 2018-08-17 | 2018-12-07 | 浙江清环智慧科技有限公司 | Non-full pipe flow calibrating installation |
| CN109029646A (en) * | 2018-08-17 | 2018-12-18 | 浙江清环智慧科技有限公司 | Open-channel meter accuracy detecting device |
| CN113125806A (en) * | 2021-05-25 | 2021-07-16 | 深圳市宏电技术股份有限公司 | Calibration device for flow velocity and flow instrument |
| CN114076619A (en) * | 2021-11-15 | 2022-02-22 | 中水珠江规划勘测设计有限公司 | Energy dissipation and flow measurement system for water supply pipeline |
| CN114199351A (en) * | 2021-12-06 | 2022-03-18 | 河北大学 | Large-diameter sewage flow simulation and calibration device and method |
| CN114235109A (en) * | 2022-01-25 | 2022-03-25 | 东平力创科技有限公司 | Three-dimensional adjustable variable open channel flow calibrating device |
| CN114235110A (en) * | 2022-01-25 | 2022-03-25 | 东平力创科技有限公司 | Flow verification system combining standard meter detection and variable open channel detection |
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| CN114076619A (en) * | 2021-11-15 | 2022-02-22 | 中水珠江规划勘测设计有限公司 | Energy dissipation and flow measurement system for water supply pipeline |
| CN114199351A (en) * | 2021-12-06 | 2022-03-18 | 河北大学 | Large-diameter sewage flow simulation and calibration device and method |
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