CN207619916U - Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence - Google Patents
Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence Download PDFInfo
- Publication number
- CN207619916U CN207619916U CN201721112865.2U CN201721112865U CN207619916U CN 207619916 U CN207619916 U CN 207619916U CN 201721112865 U CN201721112865 U CN 201721112865U CN 207619916 U CN207619916 U CN 207619916U
- Authority
- CN
- China
- Prior art keywords
- water tank
- unit
- measuring unit
- annular water
- water
- 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.)
- Expired - Fee Related
Links
- 230000033001 locomotion Effects 0.000 title claims abstract description 49
- 239000013049 sediment Substances 0.000 title claims abstract description 45
- 239000003344 environmental pollutant Substances 0.000 title claims abstract description 33
- 231100000719 pollutant Toxicity 0.000 title claims abstract description 33
- 239000002676 xenobiotic agent Substances 0.000 title claims abstract description 25
- 230000002034 xenobiotic effect Effects 0.000 title claims abstract description 25
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 175
- 239000000725 suspension Substances 0.000 claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 17
- 238000005070 sampling Methods 0.000 claims abstract description 14
- 238000002347 injection Methods 0.000 claims abstract description 13
- 239000007924 injection Substances 0.000 claims abstract description 13
- 238000004088 simulation Methods 0.000 claims abstract description 5
- 239000000523 sample Substances 0.000 claims description 63
- 238000012360 testing method Methods 0.000 claims description 34
- 238000010438 heat treatment Methods 0.000 claims description 20
- 239000011521 glass Substances 0.000 claims description 17
- 229910001018 Cast iron Inorganic materials 0.000 claims description 11
- 238000002372 labelling Methods 0.000 claims description 11
- 230000009123 feedback regulation Effects 0.000 claims description 4
- 239000003550 marker Substances 0.000 claims description 2
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000004062 sedimentation Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 238000011160 research Methods 0.000 abstract description 4
- 230000033228 biological regulation Effects 0.000 abstract description 2
- 238000012827 research and development Methods 0.000 abstract description 2
- 230000008092 positive effect Effects 0.000 abstract 1
- 239000004576 sand Substances 0.000 description 8
- 238000000034 method Methods 0.000 description 7
- 238000002474 experimental method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 5
- 230000008901 benefit Effects 0.000 description 3
- 230000008859 change Effects 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- XLYOFNOQVPJJNP-ZSJDYOACSA-N Heavy water Chemical compound [2H]O[2H] XLYOFNOQVPJJNP-ZSJDYOACSA-N 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 230000007704 transition Effects 0.000 description 2
- BVPWJMCABCPUQY-UHFFFAOYSA-N 4-amino-5-chloro-2-methoxy-N-[1-(phenylmethyl)-4-piperidinyl]benzamide Chemical compound COC1=CC(N)=C(Cl)C=C1C(=O)NC1CCN(CC=2C=CC=CC=2)CC1 BVPWJMCABCPUQY-UHFFFAOYSA-N 0.000 description 1
- 206010000234 Abortion spontaneous Diseases 0.000 description 1
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 1
- 210000000476 body water Anatomy 0.000 description 1
- 239000003153 chemical reaction reagent Substances 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 238000011109 contamination Methods 0.000 description 1
- 229910052802 copper Inorganic materials 0.000 description 1
- 239000010949 copper Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000004069 differentiation Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000001939 inductive effect Effects 0.000 description 1
- 239000004973 liquid crystal related substance Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 208000015994 miscarriage Diseases 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 238000001179 sorption measurement Methods 0.000 description 1
- 208000000995 spontaneous abortion Diseases 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
- 238000011426 transformation method Methods 0.000 description 1
- 238000002604 ultrasonography Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
- 239000003643 water by type Substances 0.000 description 1
Landscapes
- Sampling And Sample Adjustment (AREA)
Abstract
To the experimental provision of sediment incipient motion and settlement influence, described device includes annular water tank, sample injection unit, control unit, measuring unit and shooting unit for a kind of simulation xenobiotic pollutants.Sample injection unit is used to inject quantitative sand-like and xenobiotic pollutants to annular water tank, and control unit includes controlling host and the temperature control unit being connect with control host, flow rate control unit.The measuring unit includes pH value measuring unit, concentration of suspension measuring unit, level measuring unit and sampling unit.Sampling unit is used to extract the survey of the silt water progress silt content of different water levels in annular water tank, and the shooting unit is for shooting bed material form in annular water tank.The utility model considers influence of the xenobiotic pollutants to sediment incipient motion and sedimentation under different condition, also it is river regulation, hydraulic engineering construction, waterway effect, the researchs such as biological habitat provide important parameter not only to pushing sediment movement theory of mechanics research and development to have positive effect.
Description
Technical field
The utility model is related to sediment dynamics and technical field of environmental science, and in particular to a kind of simulation xenobiotic pollutants
To the experimental provision of sediment incipient motion and settlement influence.
Background technology
Sediment incipient motion and sedimentation are one of the basic problems in sediment movement mechanics study.Sand grain moves in a fluid
It is also related with place water body water chemistry condition other than depending on flow behavior.With the worsening of water environment, river water
Electrochemical conditions also quietly change.Traditional sediment incipient motion and sedimentation experiment device be pay close attention to silt itself characteristic and flow it
Between interaction, do not consider the influence of multi-parameter water-quality in actual environment, thus and actual conditions meet slightly deviation.
Xenobiotic pollutants are that xenobiotic pollutants are adsorbed on sand grain surface to the influence main cause that sediment incipient motion settles, to a certain degree
On change silt surface physicochemical property and this adsorption process and residing waters temperature, pH value, the close phase of sediment charge
It closes.
The Chinese patent that number of patent application is CN201510481945.4 discloses a kind of dynamic analog silt to pollutant
Transport And Transformation method, including annular water tank, power plant, sampler, it is characterized in that driving flow with variable speed electric motors, particularly
It is flowed with certain flow rate, the certain density reagent of simulating pollution object is injected into muddy water with injector for medical purpose at heart line in the sink
In, and transportion and transformation of the silt to pollutant under the conditions of different time sampling and testing pollutant concentration, research trends.It should
Utility model need to need manual injection's allogenic material, experimental result accuracy to rely on operating personnel's sample introduction precision.Number of patent application
For CN201320818449.X Chinese patent disclose one in annular water tank simulation it is outstanding husky and bed material adsorbs pollutant device, packet
Leaf machine runner, bend discharge outlet, annular water tank, disk, viscous short tooth etc. are included, it is characterized in that manually paving silt in annular water tank
Bottom forms the raw water movement of surface drive miscarriage by adjusting turbine, measures flow, the water quality characteristic of any position.It should
Patent drives water movement by surface drive stream, differs greatly with practical river motion conditions, and need to manually pave silt.Specially
Profit discloses a kind of movement of observation sediment incipient motion application No. is the Chinese patent of CN201620071797.9 and measures initial velocity
Model test apparatus, including light-source system, Video Image Processing system and water circulation control system, it is characterized in that will
Laser source system illuminates bed mud sand, and video camera shoots bed surface sediment movement situation, will be handled on image transmitting to computer,
Realize the measurement of sediment moving incipient velocity.The utility model only relies on qualitative discrimination standard to the differentiation of sediment incipient motion, lacks quantitative
Discrimination standard.
It can be seen that traditional sediment incipient motion and sedimentation experiment device are to pay close attention between the characteristic and flow of silt itself
Interaction, without consider water quality influence, at present not yet find Study of Exogenous pollutant to sediment incipient motion and Settling in moving water
Patent.It is more in related patents to use open sink, it needs manually to sand during use or manual injection one
Quantitative contamination extremely expends time and efforts.
Utility model content
In view of this, the purpose of this utility model is to provide a kind of mould of the movement of observation sediment incipient motion and measurement initial velocity
Type experimental rig, it is contemplated that influence of the xenobiotic pollutants to sediment incipient motion and sedimentation under different condition, i.e., by adjusting temperature, pH
Value, xenobiotic pollutants concentration value probe into influencing mechanism of the different water chemistry conditions to sediment incipient motion and subsiding movement.
To achieve the above object, the solution of the utility model use is：
It is a kind of to simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence, including annular water tank, sample introduction list
Member, control unit, measuring unit and shooting unit, the sample injection unit is for injecting quantitative sand-like and external source to annular water tank
Pollutant, described control unit include controlling host and the temperature control unit being connect with control host, flow rate control list
Member, the measuring unit include pH value measuring unit, concentration of suspension measuring unit, level measuring unit and sampling unit,
The temperature value that the pH value and temperature control unit that the control host is used to be passed back according to pH value measuring unit are passed back adjusts sample introduction
Unit and temperature control unit make water temperature and pH value reaches default value, and flow rate control unit is for controlling annular water
The flow velocity of silt water in slot, pH value measuring unit, concentration of suspension measuring unit, level measuring unit are located to be connected with annular water tank
In logical test babinet, sampling unit is used to extract the silt water of different water levels in annular water tank, and the shooting unit is for clapping
Take the photograph bed material form in annular water tank.
Further, the annular water tank is divided into 8 sections, including the straight pipe of 2 sections of short axles, the straight pipe of 2 sections long axis, 4 sections of short axles
With the arc-shaped pipe of the straight pipe junction transition of long axis, annular water tank circuit is oval, and the annular water tank passes through four
A organic glass support column is supported in ground.
Further, it is connected with discharge tube below the annular water tank, top is connected with valve bleeder pipe, the discharge tube
On emptying valve, the break-make of control pipeline are installed.
Further, the sample injection unit includes sample introduction water tank, metering pump, water inlet line, inlet valve, the sample introduction water
Case is arranged in the annular water tank vertical direction, and the sample introduction water tank is placed on the holder consolidated with metope, the sample introduction water
Box top is connect with metering pump, and bottom is connect by the water inlet line with the annular water tank, and the inlet valve is mounted on
On the water inlet line, the break-make of control pipeline sample introduction.
Further, the temperature control unit is installed on the external labeling type heating tape on the annular water tank and and external labeling type
The temperature control device of band connection is heated, external labeling type heating tape pipe laying is cast iron quality, and cast-iron pipe outer wall, which is covered with, to be added
Hot jacket realizes the heating to water body.
Further, the flow rate control unit include wall-mounted current velocity controller and with wall-mounted flow control
External clamping external clamping ultrasonic flow instrument, the water circulating pump of device connection, the water circulating pump intake-outlet and annular water tank
Pipeline communicates, and driving water circulates, and the external clamping ultrasonic flow instrument is fixed on outside cast-iron pipe, passes through wall-mounted stream
Velocity control device and control main-machine communication, the rotating speed of feedback regulation water circulating pump.
Further, the test bin enclosure fits on the outside of the annular water tank pipeline, and annular is connected to by U-tube
Sink, U-tube are connected to annular water tank end and band valve pneumatic connector are housed, and the depth of water body, U-tube are submerged in adjustable U-tube end
Pipeline section close to annular water tank has graduated scale.
Further, the test babinet is divided into two half parts of left and right, and left-half material is transparent organic glass, and right half
Part is black PVC material, and centre is separated by shading lifter plate, can move up and down the connection of control left and right two parts water body.
Further, level measuring unit is posted to measure real time water level in test babinet left-half side, described
The probe of installation concentration of suspension measuring unit in babinet right half part is tested, the probe of pH value measuring unit submerges the test
In the water of babinet, pH value measuring unit and concentration of suspension measuring unit are connected with control host.
Further, the shooting unit includes glass coupon, video camera and Stereo microscope, the glass coupon position
In the annular water tank duct bottom, the position for video camera is right against the glass coupon in sink main body exterior bottom,
Video camera is used in conjunction with peripheral hardware microscope, monitors the relationship between silt coverage rate and flow velocity in real time, while can shoot bed surface shape
State.
Further, the sampling unit includes probe tube and the loose joint valve on probe tube, and the probe tube is logical
The pneumatic joint for crossing loose joint valve is inserted into inside annular water tank, and different water levels can be extracted by adjusting probe tube height by pneumatic joint
Water sample, probe tube is in the form of an " L ", is above carved with scale marker, and probe tube inlet is parallel with flow direction
Compared with prior art, the utility model has the following advantages：
(1) it is covered with heating tape outside cast iron pipe tube body to heat water body, flow constantly flows through the process of heating tape
So that water body in sink is integrally heated evenly, adjust temperature control device can more than so that water body is integrally maintained a stationary value, with improve
The accuracy of experiment.Meanwhile heating tape is tightly attached to outside cast-iron pipe, is different from traditional heating rod and is immersed among water body,
Water body fluidised form is not influenced.External clamping ultrasonic flow instrument uses external clamping inductive probe, does not contact water body, does not influence flow equally
Motion morphology.
(2) different depth silt content on water body vertical line direction can be measured by adjusting probe tube by pneumatic joint, and water can be obtained
Distribution situation of the body sediment concentration on vertical.Meanwhile the numerical value can carry compared with the surveyed silt content of concentration of suspension instrument pair
Height experiment accuracy.
(3) annular water tank is equivalent to the identical endless sink of each section streamflow regime, and the distance scale of straight trough is converted
For time scale, the practical flow field situation in closer river.The advantage is that take up little area, be simple in structure, construction cost is low, to water
Body influences small, simple and quick, real-time.
(4) test babinet uses law of connected vessels, can be submerged by adjusting U-tube in the case where not influencing water body fluidised form
Water depth measures physical and chemical properties of water in real time.Each pH meter and concentration of suspension instrument, which are installed in test water tank, not to be influenced not only
Water body fluidised form, and it is easy to operation.Test babinet is installed on straight slot concave bank side, avoids sand-like and clast in flow centrifugal force
It is piled up under effect in test babinet.
(5) enclosed annular sink can keep silt evenly laid out in bottom by governing speed, eliminate and manually sand
The step of, save manpower and materials.
(6) method for using quantitative observation means to be combined with qualitative observation means, on the one hand with camera shooting and qualitative observation
The rustling form of wave different in flow rate of leaving the bed, on the other hand by being used in conjunction come quantitative observation silt coverage rate and stream with Stereo microscope
Between speed correlativity come differentiate sediment incipient motion and sedimentation three kinds of states.
(7) present apparatus relies on host to regulate and control each unit operating substantially, realizes intelligence substantially, saves manpower object
Power.
Description of the drawings
Fig. 1 is that the utility model simulates structural representation of the xenobiotic pollutants to the experimental provision of sediment incipient motion and settlement influence
Figure；
Fig. 2 is test babinet and the structural schematic diagram for the measuring unit arranged thereon in the utility model.
Reference numeral：The wall-mounted current velocity controllers of 1-, 2- external labeling types heating tape, 3- temperature control devices, 4- external clamping ultrasounds
Wave flow instrument, 5- annular water tanks, 6- sample introduction water tanks, 7- metering pumps, 8- inlet valves, 9- water inlet lines, 10- band exhaust tubes,
11- glass coupons, 12- video cameras, 13-pH meters, the transparent water gauges of 14-, 15- test babinets, 16- concentration of suspension analyzers,
17- probe tubes, 18- loose joint valves, 19- discharge tubes, 20- empty valve, 21- water circulating pumps, 22- stereomicroscopes, 23- controls
Host processed, 24-U type pipes, 25- band valve pneumatic connectors, the detachable side walls of 26-, 27- shading lifter plates, 28- detachable switchs.
Specific implementation mode
Clear, complete explanation is carried out to the technical solution of the utility model below in conjunction with the accompanying drawings.
As shown in Figure 1, the model test apparatus of the utility model observation sediment incipient motion movement and measurement initial velocity includes
Annular water tank 5, sample injection unit, control unit, measuring unit and shooting unit.Organic glass system can be used in the annular water tank
At.
Described control unit includes controlling host 23 and the temperature control unit being connect with control host 23, flow rate control
Unit processed.The measuring unit includes that pH value measuring unit, concentration of suspension measuring unit, level measuring unit and sampling are single
Member.
5 sectional of the annular water tank forms, such as is divided into 8 sections, including the straight pipe of 2 sections of short axles, the straight pipe of 2 sections long axis, and 4
The arc-shaped pipe of section short axle and the straight pipe junction transition of long axis, annular water tank 5 is oval, and the annular water tank 5 is logical
Four organic glass support columns are crossed to keep at a distance from 40cm with ground.
It is connected with discharge tube 19 below the straight pipe of long axis of the annular water tank 5, top is connected with exhaust tube 10.Institute
It states and emptying valve 20, the break-make for controlling discharge tube 19 is installed on discharge tube 19.
The sample injection unit includes sample introduction water tank 6, metering pump 7, water inlet line 9, inlet valve 8.The sample introduction water tank 6 is set
The vertical direction in the middle part of the straight pipe of short axle of the annular water tank 5 is set, the sample introduction water tank 6 is placed in the holder consolidated with metope
On.6 top of the sample introduction water tank is connect with metering pump 7, the short axle that bottom passes through the water inlet line 9 and the annular water tank 5
Straight pipe connection, the inlet valve 8 are mounted on the water inlet line 9, the break-make of control pipeline sample introduction.The sample introduction water tank
6 outsides have volume markings line, top to have removable cover plate, metering pump 7 that can be precisely controlled sample size by the control control of host 23.
The temperature control unit be installed on external labeling type heating tape 2 on the annular water tank 5 and with external labeling type heating tape 2
The temperature control device 3 of connection.The temperature control device 3 includes temperature control module, liquid crystal induction type thermometer, is covered on outside annular water tank
Wall does not contact water body, and type of drive is battery power, is communicated with control host 23 by bluetooth, controls the external labeling type heating
Band 2 is shut down.2 pipe laying of external labeling type heating tape is cast iron quality, and cast-iron pipe outer wall is covered with heating mantle and realizes to water
The heating of body.
The flow rate control unit includes wall-mounted current velocity controller 1 and connects with wall-mounted current velocity controller 1
External clamping external clamping ultrasonic flow instrument 4, the water circulating pump 21 connect.The intake-outlet of the water circulating pump 21 and the straight pipe of short axle
It communicates, water circulating pump 21 drives water to circulate, the flow regime of water under simulating natural environment, the external clamping ultrasonic flow
Instrument 4, water circulating pump 21 are connected by pipe line with the wall-mounted current velocity controller 1, wall-mounted current velocity controller 1
It is combined with wall above sink.The external clamping ultrasonic flow instrument 4 is fixed on outside cast-iron pipe, is not contacted water body, is passed through
Wall-mounted current velocity controller 1 is communicated with control host 23, the rotating speed of feedback regulation water circulating pump 21.
The measuring unit includes pH value measuring unit, concentration of suspension measuring unit, level measuring unit and sampling
Unit, wherein pH value measuring unit, concentration of suspension measuring unit, level measuring unit are located in test babinet 15.
The test babinet 15 is bonded on the outside of the straight pipe of long axis of the annular water tank 5, and annular is connected to by U-tube 24
Sink 5.The closing of test babinet 15 fits on the outside of 5 pipeline of the annular water tank, and annular water tank 5 is connected to by U-tube 24,
U-tube 24 is connected to annular water tank end and band valve pneumatic connector 25 is housed, and the depth of water body, U-tube are submerged in adjustable U-tube end
24 close to annular water tank 5 pipeline section have graduated scale.The test babinet 15 is divided to by shading lifter plate 27 for two half portions of left and right
Point, left-half material is transparent organic glass, and right half part is black PVC material.27 plug type of shading lifter plate is packed into
Babinet 15 is tested, two parts are closed when it is inserted into bottom, two parts unicom when up pulling out.Left-half can survey some reasons
Change property, right half part mainly tests the physicochemical property for needing shading to test.It posts the 15 left-half side of test babinet
Level measuring unit (such as transparent water gauge 14) is to measure real time water level.The pH value measuring unit can be pH meter 13, probe
It submerges in the water of the test babinet 15.Concentration of suspension measuring unit can be concentration of suspension analyzer 16, the test box
The installation concentration of suspension tester 16 is popped one's head in 15 right half part of body.The pH meter 13 and the sonde-type concentration of suspension
Tester 16 is connected by connecting line with control host 23.The test babinet 15 is equipped with detachable side wall 26, by removable
It unloads switch 28 to fix with test babinet 15, the opening of detachable side wall 26 can be removed in test babinet 15 collect after the end of the test
Silt dirt etc..
The sampling unit includes probe tube 17 and the loose joint valve 18 on probe tube.Probe tube 17 can be used copper
Material is made.Probe tube 17 is inserted by the pneumatic joint of loose joint valve 18 inside the annular water tank 5, and pneumatic joint tune is passed through
The height of section probe tube 17 can measure different water level silt contents.Probe tube 17 is in the form of an " L ", 17 inlet of probe tube and flow stream
To parallel, 17 exit of probe tube connects diversion pipe and connects husky cup using siphon mode importing, and wherein draft tube outlets end is less than sampling
17 outlet end of pipe.
The shooting unit includes glass coupon 11, video camera 12 and Stereo microscope 22.The glass coupon 11
In the straight pipe bottom of the long axis of the annular water tank 5, the video camera 12 is located at 5 exterior bottom of sink main body, is right against simultaneously
The glass coupon 11.Video camera 12 is used in conjunction with Stereo microscope 22, monitors the relationship between silt coverage rate and flow velocity in real time,
Shoal bar can be shot simultaneously.Video camera 12 on the one hand can shoot it is different in flow rate under Shoal bar, on the other hand by with
Stereo microscope 22 be used in conjunction shooting glass coupon on sand grain coverage condition with the real-time silt coverage rate of determination.The utility model
The overall process that sediment incipient motion and sedimentation can be established by Shoal bar of the shooting under different in flow rate, establishes silt coverage rate in test piece
Correlativity between flow velocity measures lower water body silt content different in flow rate.
Xenobiotic pollutants are simulated at different conditions to sediment incipient motion and sedimentation experiment method using the utility model, including
Following steps：
(1) use the metering pump 7 of sample injection unit be precisely added constant weight sand-like and a certain amount of xenobiotic pollutants enter into
Sample water tank 6, while a certain amount of thick pure water is injected to corresponding graduation mark, enter annular water tank 5 through water inlet line 9.Control host 23
21 high-speed cruising of water circulating pump of start velocity flow controlling unit, breaks up flocculation silt, and water sand is made to be uniformly mixed.It is then shut off
Flow rate control unit makes sand-like natural subsidence be laid in 5 bottom of annular water tank.After the heavy water of sand is clear using sampling unit into
Row silt content measures, and records initial silt content C0。
(2) the temperature value feedback regulation metering that the pH value and temperature control device 3 that control host 23 is passed back according to pH meter 13 are passed back
Pump 7 and heating tape 2 make water temperature and pH value reach default value.
(3) when studying sediment incipient motion, wall-mounted current velocity controller 1 is adjusted, is started using low flow velocity, step by step from low flow velocity
High flow velocities are increased to, every grade of flow velocity runs 45min.Meanwhile bed material form is shot using shooting unit, and live-pictures are passed
Transport to stereomicroscope 22.
(4) probe tube 17 is adjusted to desired height, drawing a certain amount of water sample by band ear washing bulb siphon pipe preserves.
(5) when studying sediment incipient motion, record sediment incipient motion reach " a not move ", " a small amount of dynamic ", needed for " all dynamic " state
Flow velocity draws the balance silt content C under flow velocitys at different levelseq, obtain (Ceq/ C0) with the relation curve of sink mean velocity in section v,
That is sediment incipient motion Critical curve.When studying sediment settlement, the curve of each flow velocity group silt content and the relationship of time is drawn, it is passed through
Derivative value calculates corresponding settling velocity.
Made in fluid by river load when one or more kinds of pollutants exist simultaneously in present apparatus research changing environment
The law study of starting, suspension, infall process under, not only to pushing sediment movement theory of mechanics research and development to have actively
The researchs such as meaning is also river regulation, hydraulic engineering construction, waterway effect, biological habitat provide important parameter.
The utility model selects annular water tank, and the distance scale of traditional straight trough is converted to time scale, realizes intelligence substantially
Energyization regulates and controls, and floor space is small, and construction cost is low, has the advantages that real-time, easy to operate.In this sink, outside
Source pollutants concentration can be driven flow high speed by 7 control accurate of metering pump, the sand-like into sink by water circulating pump 21
After operation, natural uniform settlement saves manpower and materials at smooth bed material, while paving effect and more manually pave and making moderate progress.
The present apparatus considers influence of the xenobiotic pollutants to sediment incipient motion and sedimentation under different condition.The utility model is quasi- by changing temperature
The conditions such as degree, water pH value, allogenic material concentration study the variation of water chemistry condition to sediment incipient motion and subsiding movement process
It influences.
Although the embodiments of the present invention are described above in conjunction with attached drawing, the utility model is not limited to
Above-mentioned specific implementation mode, the above mentioned embodiment is only schematical, be not it is restrictive, this field it is general
Logical technical staff is not departing from the utility model aims and scope of the claimed protection feelings under the enlightenment of the utility model
Under condition, many forms can also be made, these are belonged within the scope of protection of the utility model.
Claims (9)
1. a kind of simulation xenobiotic pollutants are to the experimental provision of sediment incipient motion and settlement influence, it is characterised in that：Including annular water
Slot (5), sample injection unit, control unit, measuring unit and shooting unit, the sample injection unit are used to inject to annular water tank (5)
Quantitative sand-like and xenobiotic pollutants, described control unit include the temperature for controlling host (23) and being connect with control host (23)
Control unit, flow rate control unit, the measuring unit include pH value measuring unit, concentration of suspension measuring unit, water
Position measuring unit and sampling unit, the pH value and temperature control that the control host (23) is used to be passed back according to pH value measuring unit
The temperature value that unit processed is passed back, which adjusts sample injection unit and temperature control unit, makes water temperature and pH value reach default value, flow velocity
Flow controlling unit is used to control the flow velocity of silt water in annular water tank (5), and pH value measuring unit, concentration of suspension measure single
Member, level measuring unit are located in the test babinet (15) being connected to annular water tank (5), and sampling unit is for extracting annular water tank
(5) the silt water of different water levels in, the shooting unit is for shooting bed material form in annular water tank (5).
2. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：The sample injection unit includes sample introduction water tank (6), metering pump (7), water inlet line (9), inlet valve (8), the sample introduction water tank
(6) it is arranged in the annular water tank (5) vertical direction, the sample introduction water tank (6) is placed on the holder consolidated with metope, described
It being connect with metering pump (7) at the top of sample introduction water tank (6), bottom is connect by the water inlet line (9) with the annular water tank (5),
The inlet valve (8) is mounted on the water inlet line (9), the break-make of control pipeline sample introduction.
3. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：The temperature control unit be installed on external labeling type heating tape (2) on the annular water tank (5) and with external labeling type heating tape
(2) temperature control device (3) connected, external labeling type heating tape (2) pipe laying are cast iron quality, and cast-iron pipe outer wall is covered with
Heating mantle realizes the heating to water body.
4. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：The flow rate control unit includes wall-mounted current velocity controller (1) and is connect with wall-mounted current velocity controller (1)
External clamping external clamping ultrasonic flow instrument (4), water circulating pump (21), water circulating pump (21) intake-outlet and annular water tank
(5) pipeline communicates, and driving water circulates, and the external clamping ultrasonic flow instrument (4) is fixed on outside cast-iron pipe, passes through
Wall-mounted current velocity controller (1) communicates with control host (23), the rotating speed of feedback regulation water circulating pump (21).
5. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：Test babinet (15) closing fits on the outside of the annular water tank (5) pipeline, and annular water is connected to by U-tube (24)
Slot (5), U-tube (24) are connected to annular water tank end and band valve pneumatic connector (25) are housed, and the depth of water body is submerged at adjustable U-tube end
Degree, U-tube (24) have graduated scale close to the pipeline section of annular water tank (5).
6. the simulation xenobiotic pollutants as described in claim 1 or 5 are to the experimental provision of sediment incipient motion and settlement influence, feature
It is：The test babinet (15) is divided into two half parts of left and right, and left-half material is transparent organic glass, and right half part is black
Color PVC material, centre are separated by shading lifter plate (27), can move up and down the connection of control left and right two parts water body.
7. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as claimed in claim 6, feature exists
In：Level measuring unit is posted to measure real time water level, the test babinet in test babinet (15) the left-half side
(15) probe of concentration of suspension measuring unit is installed, the probe of pH value measuring unit submerges the test babinet in right half part
(15) in water, pH value measuring unit and concentration of suspension measuring unit are connected with control host (23).
8. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：The shooting unit includes glass coupon (11), video camera (12) and Stereo microscope (22), the glass coupon (11)
Positioned at the annular water tank (5) duct bottom, the video camera (12) is located at sink (5) main body exterior bottom, is right against simultaneously
The glass coupon (11), video camera (12) are used in conjunction with peripheral hardware microscope (22), monitor between silt coverage rate and flow velocity in real time
Relationship, while Shoal bar can be shot.
9. simulating experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence as described in claim 1, feature exists
In：The sampling unit includes probe tube (17) and the loose joint valve (18) on probe tube (17), the probe tube (17)
It is inserted into annular water tank (5) inside by the pneumatic joint of loose joint valve (18), passes through pneumatic joint and adjusts probe tube (17) height
Different water level water samples can be extracted, probe tube (17) is in the form of an " L ", is above carved with scale marker, probe tube (17) inlet and flow
It flows to parallel.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112865.2U CN207619916U (en) | 2017-09-01 | 2017-09-01 | Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721112865.2U CN207619916U (en) | 2017-09-01 | 2017-09-01 | Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207619916U true CN207619916U (en) | 2018-07-17 |
Family
ID=62818236
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721112865.2U Expired - Fee Related CN207619916U (en) | 2017-09-01 | 2017-09-01 | Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207619916U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574786A (en) * | 2017-09-01 | 2018-01-12 | 长江水利委员会长江科学院 | Xenobiotic pollutants is simulated to sediment incipient motion and the experimental provision and method of settlement influence |
| CN109342659A (en) * | 2018-10-30 | 2019-02-15 | 河海大学 | A kind of measuring device and method of bed surface organic matter burst size |
-
2017
- 2017-09-01 CN CN201721112865.2U patent/CN207619916U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107574786A (en) * | 2017-09-01 | 2018-01-12 | 长江水利委员会长江科学院 | Xenobiotic pollutants is simulated to sediment incipient motion and the experimental provision and method of settlement influence |
| CN109342659A (en) * | 2018-10-30 | 2019-02-15 | 河海大学 | A kind of measuring device and method of bed surface organic matter burst size |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107574786A (en) | Xenobiotic pollutants is simulated to sediment incipient motion and the experimental provision and method of settlement influence | |
| CN102798585B (en) | Large-size temperature-controllable automatic stirring sedimentation compaction test device and test method thereof | |
| CN101441207B (en) | Integrated apparatus for researching sediment sampling and laminated gradient | |
| CN102866093A (en) | Porous medium biological clogging simulation test device and simulation test evaluation method | |
| CN105301223A (en) | Portable real-time-monitoring water and soil loss simulation test method | |
| CN207619916U (en) | Simulate experimental provision of the xenobiotic pollutants to sediment incipient motion and settlement influence | |
| CN108426698B (en) | Testing device and testing method for simulating and observing starting of viscous sediment | |
| CN105223341A (en) | A kind of portable Real-Time Monitoring soil erosion simulation test device | |
| CN110208500A (en) | A kind of crude oil pipeline wax deposit pigging analogue experiment method | |
| CN202710481U (en) | Device for identifying and measuring air bubble in high-concentration dispersed multiphase flow | |
| CN104897188A (en) | Method and experiment apparatus for analyzing drainage pipeline siltation characteristics | |
| CN110702569A (en) | Device for measuring sludge sedimentation ratio and optimal sedimentation ratio | |
| CN111189736A (en) | High-temperature high-pressure fluid solid phase deposition simulation device | |
| CN211627267U (en) | Solid phase deposition system | |
| CN211718025U (en) | High-temperature high-pressure fluid solid phase deposition simulation device | |
| CN106896216A (en) | Fracturing fluid hangs sand merit rating device and evaluation method | |
| CN209729213U (en) | Along journey drag reduction experiment instrument | |
| CN108061698A (en) | The full-automatic experimental rig and its method of measurement fluctuation current infiltration towing force coefficient | |
| CN117420044A (en) | Industrial chemical cleaning dynamic simulation verification and evaluation method | |
| CN110987740A (en) | Experimental device and method for observing sediment sedimentation rate with simultaneously controllable temperature and turbulence | |
| CN108371133B (en) | Experimental device and method for on-site simulation and prevention and control of adsorption of aquatic organisms on inner wall of pipeline | |
| CN206583906U (en) | Device for assessing magnetic treating result | |
| CN108152179B (en) | Multifunctional suspended sand concentration calibration system | |
| CN105784954B (en) | Experimental device for simulating mineralization of organic nitrogen in river | |
| CN107525749A (en) | A kind of dynamic water settling velocity experimental rig and test method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180717 |