CN107941305B - A kind of drowned flow artificial wet land water level gauge and its detection method - Google Patents
A kind of drowned flow artificial wet land water level gauge and its detection method Download PDFInfo
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- CN107941305B CN107941305B CN201711139761.5A CN201711139761A CN107941305B CN 107941305 B CN107941305 B CN 107941305B CN 201711139761 A CN201711139761 A CN 201711139761A CN 107941305 B CN107941305 B CN 107941305B
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- inner core
- survey meter
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- wet land
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/24—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring variations of resistance of resistors due to contact with conductor fluid
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- Physics & Mathematics (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- General Physics & Mathematics (AREA)
- Measuring Volume Flow (AREA)
- Investigating Or Analyzing Materials By The Use Of Electric Means (AREA)
Abstract
The invention discloses a kind of drowned flow artificial wet land water level gauge and its detection methods, comprising: survey meter inner core, survey meter outer tube and resistance indicator；Survey meter inner core includes: inner core apex electrode stick and inner core bottom electrode piece；The inner core apex electrode stick is connected with inner core bottom electrode piece by internal connecting wire；The top of survey meter outer tube is equipped with outer tube apex electrode piece, and the resistance indicator is separately connected inner core apex electrode stick and outer tube apex electrode piece；Survey meter inner core is equipped with scale, and when the zero graduation line and survey meter outer tube top on survey meter inner core maintain an equal level, survey meter inner core and survey meter outer tube bottom end are in same level.The invention has the advantages that: can quickly be read to height of water level using inner core, outer tube setting, result is accurate and reliable；Stainless steel outer tube can build the later period in drowned flow artificial wet land and squeeze into Medium Culture, and settable any more monitoring site greatly reduces the complexity of wetland construction.
Description
Technical field
The present invention relates to artificial swamp water-level detecting technical field more particularly to a kind of drowned flow artificial wet land water level gauges
And its detection method.
Background technique
Drowned flow artificial wet land, which has, invests the advantages such as low with operating cost, convenient for management, beautification of landscape, Ecology storage,
Currently, being widely used in the profound purifications such as tail water produced by municipal sewage treatment plant, polluted river water field, aqua is being regenerated again
Raw, ecology fusion etc. has technical advantage outstanding and wide application prospect.Water level is the key factor of hydrology mechanism,
Water level height and SEA LEVEL VARIATION directly affect the living environment of wetland plant and microorganism, and then influence the operation effect of wet land system
Fruit has important influence to subsurface flow constructed wetland system Function.
Aquatic plants growth development in subsurface flow constructed wetland system needs to maintain certain water level, and water level is too high or too low
All it is unfavorable for the growth of plant.Flow of inlet water is unreasonable in wetland operational process, Wetland Substrate blocking will cause short stream and surface
Phenomena such as cross flow, and then the detergent power of wet land system is reduced, and bring safe and healthy hidden danger.Wetland operation, management and maintenance
Need to according to heavy rain, arid, ice period, blocking situations such as water level is reasonably adjusted, avoid water level it is too high or too low, intake
Choke water phenomena such as flooding with water outlet in end.Therefore, carrying out accurate measurement to each stage water level of current wetland facilitates grasp system
Internal current conditions provide scientific basis for its operation regulation, are also the progress of the correlative studys such as wetland SEA LEVEL VARIATION influence
Technical support is provided.
Existing current wetland usually utilizes water-level observation pond or water level pipe realizes that level measuring, method of direct observation exist accurate
Spend low, high construction cost and the few drawback of monitoring site.In addition to method of direct observation, level measuring method usually has pressure difference at present
Method, float method, supercritical ultrasonics technology, magnetic method etc., but due in current wetland be shallow-layer water body, and it is wetland bed in be full of filler, these
Method there are accuracy it is low and complicated for operation, poor for applicability the problems such as, be not suitable for promoting in drowned flow artificial wet land water-level detecting
Using.In recent years, method judges water level with the variation of liquid level by Sensitive Apparatus resistance value, although its measuring accuracy is high,
But its control circuit is more complicated, limits its application；The electric conductivity that water-level detecting probe can use water judges height water
Position, the method is simple and easy, however single probe is only capable of judging whether systematic water level reaches a certain fixed position, and the method is difficult to
Meet requirement of the current wetland water-level detecting to precision.As what people ran subsurface flow constructed wetland system and managed increasingly weighs
Depending on, wetland water level, which accurately measures, becomes further significant, it by for the ecologic stability of maintenance system, safeguard its sustainable operation
Strong technical guarantee is provided, drowned flow artificial wet land water stage measurement needs a kind of method for establishing accurate simplicity, utilizes electrical method pair
Drowned flow artificial wet land water level carries out the accurate also unprecedented report of measurement.
Summary of the invention
The purpose of the present invention is to solve the above-mentioned problems, propose a kind of drowned flow artificial wet land water level gauge and its
Detection method, the system and method accuracy is high, easy to operate, can be used in the accurate survey of artificial swamp shallow-layer water body water level
It is fixed.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of drowned flow artificial wet land water level gauge, comprising: survey meter inner core, survey meter outer tube and resistance indicator；
The survey meter inner core includes: inner core apex electrode stick and inner core bottom electrode piece；The inner core apex electrode stick
It is connected with inner core bottom electrode piece by internal connecting wire；
The top of the survey meter outer tube is equipped with outer tube apex electrode piece, and the resistance indicator is separately connected inner core top
Electrode bar and outer tube apex electrode piece；
The survey meter inner core is equipped with scale, and the zero graduation line and survey meter outer tube top on survey meter inner core maintain an equal level
When, survey meter inner core and survey meter outer tube bottom end are in same level.
Further, the survey meter inner core is prismatic.
Further, outer pipe seam has been evenly arranged on the survey meter outer tube, the least significant end of the outer pipe seam is not less than spy
It surveys at the least significant end graduation position of instrument inner core.
Further, the outer tube outer surface of the survey meter is provided with the protrusion for preventing and treating the outer packing of pipe joints.
Further, survey meter outer tube bottom end is Type B center bit shape.
Further, survey meter outer tube top is symmetrically arranged with aperture.
A kind of level detecting method of drowned flow artificial wet land water level gauge, comprising:
It keeps slowly being inserted into inner core in outer tube in survey meter outer tube plumbness insertion drowned flow artificial wet land water；
Survey meter resistance indicator numerical value occurs significant changes or when reaching the critical value of alarm, at this time inner core bottom electrode
Piece is just contacted with the wetland water surface, reads the corresponding graduation mark numerical value in survey meter outer tube top, and the as water level of measured position is high
Degree.
A kind of substrate clogging detection method of drowned flow artificial wet land water level gauge, comprising:
It is initially that the vertical driving depth of survey meter outer tube is extremely close with drowned flow artificial wet land matrix depth to be measured, it will after squeezing into
Outer tube rotates a few, prevents from being caught in filler in outer pipe seam using the squeezing action of surface bulge；
Survey meter outer tube height is constantly regulate, and measures height of water level using survey meter inner core；Until operating normally dive
The initial water level measured value of each monitoring point of artificial wetland is consistent；
The water level of primary each monitoring point is measured every setting time；
When some region of water level is apparently higher than the water level in other regions, illustrate that substrate clogging has occurred in the region.
A kind of each layer porosity determination method of the drowned flow artificial wet land of drowned flow artificial wet land water level gauge, comprising:
Survey meter outer tube is inserted into subsurface flow constructed wetland system, adjustment survey meter inner core to setting height, fixed inner core
Position；
Water body will be rejoined after water body emptying in subsurface flow constructed wetland system, until survey meter resistance indicator is in alarm
The volume of water body is added in the critical value that lamp lights, record；The hole of the height layer can be obtained according to the volume of obtained water body
Rate.
The beneficial effects of the present invention are:
Selection utilization electric-resistivity method of the present invention measures drowned flow artificial wet land water level, and natural water has with air electric conductivity
Significant difference, and then can precisely determine aqueous vapor delivery position；Using inner core, outer tube setting can be quickly to height of water level
It is read, removable inner core significantly simplifies the complexity of device and improves the accuracy of result, measurement result
Accurately and reliably；Stainless steel outer tube can build the later period in drowned flow artificial wet land and squeeze into Medium Culture, settable any more monitoring site,
Greatly reduce the complexity of wetland construction；The warning function of resistance indicator realizes the convenience to water level interface location, standard
Really, quickly judge, it is easy to operate this method provides a kind of accurate level detecting method, it is low in cost.
Detailed description of the invention
Fig. 1 is survey meter inner core schematic diagram of the present invention；
Fig. 2 is survey meter outer tube schematic diagram of the present invention；
Fig. 3 is drowned flow artificial wet land water-level detecting schematic diagram of the present invention.
Wherein, 1 is survey meter inner core, and 2 be inner core apex electrode stick, and 3 be internal connecting wire, and 4 be inner core bottom electrode
Piece, 5 be graduation mark, and 6 be survey meter outer tube, and 7 be outer pipe seam, and 8 be outer tube bottom end drill bit, and 9 be surface bulge, and 10 be outer tube top
Aperture, 11 be outer tube apex electrode piece, and 12 be survey meter resistance indicator, and 13 be warning horn, and 14 be warning light, and 15 be crocodile
Electrode wires are pressed from both sides, 16 be drowned flow artificial wet land matrix, and 17 be the wetland water surface.
Specific embodiment:
The present invention will be further described with example with reference to the accompanying drawing:
It is generally acknowledged that: contain certain density ionic state substance in natural water or sewage, water body has preferable conductive
Property, and the accurate measurement of drowned flow artificial wet land water level may be implemented using this feature almost without conductive capability for air.The present invention
A kind of drowned flow artificial wet land water level gauge is disclosed, the accurately detecting of drowned flow artificial wet land water level is mainly used in, such as Fig. 1 institute
Show, comprising: survey meter inner core 1, survey meter outer tube 6 and survey meter resistance indicator 12；Electricity at 1 top of survey meter inner core placement one
Pole, survey meter outer tube 6 are another electrode, and two electrodes connection resistance indicator 12 is for judging water air interface.
Survey meter inner core 1 includes inner core apex electrode stick 2, internal connecting wire 3, inner core bottom electrode piece 4 and graduation mark
5；
1 main material of survey meter inner core is rigid insulation plastics, such as polypropylene, polyphenylene sulfide stick, polyether-ether-ketone, main body
Shape is prismatic；Survey meter inner core bottom end is funnel-shaped, and the upper opening of funnel connects inner core main body；Such design can subtract
Liquid residual on few survey meter inner core 1, and then increase the accuracy of measurement.
As an implementation, 1 main material of survey meter inner core is polypropylene, and inner core main body is triangular prism-shaped, long
600mm, bottom surface equilateral triangle side length are 20mm, and bottom end 30mm to 20mm is trigone bench-type, triangular platform bottom surface equilateral triangle
Side length is reduced to 8mm, and bottom end 20mm to bottom is triangular prism-shaped.
Inner core top is equipped with stainless steel electrode stick 2, and electrode bar diameter is 3-6mm, extension 15-30mm；Inside connects
It connects conducting wire 3 and connects top stainless steel electrode stick 2 and bottom end stainless steel electrode piece 4, conducting wire is waterproof single-core line, and route is completely exhausted
Edge plastic body package；Inner core bottom end stainless steel electrode piece 4 is wafer type, and diameter 4-5mm, thickness 1-2mm, electrode slice is located at
Ambroin main center；There are graduation mark 5, range 500-1100mm on inner core, minimum scale is millimeter, zero graduation line and spy
When survey 6 top of instrument outer tube maintains an equal level, survey meter inner core 1 and 6 bottom end of survey meter outer tube are in same level.
As an implementation, 2 diameter of inner core apex electrode stick is 3mm, extension 15mm；Internal connecting wire
4 are wrapped up by rigid insulation plastic body completely；4 diameter of inner core bottom electrode piece is 4mm, with a thickness of 1mm；5 range of graduation mark is
500mm。
As shown in Fig. 2, survey meter outer tube 6 includes outer pipe seam 7, outer tube bottom end drill bit 8, surface bulge 9, the aperture of outer tube top
10, outer tube apex electrode piece 11；6 material of survey meter outer tube is stainless steel, and tubular type, long 500-1100mm, outer diameter 40mm are interior
Diameter is 30mm；
Survey meter outer tube 6 is equipped with outer pipe seam 7, and outer pipe seam 7 is 100mm long, wide 4mm, and the angle angle with seam is stitched on outer tube section
Degree is 90 °, and vertical overlap length is 20mm, and outer pipe seam 7 is evenly distributed, and the least significant end of outer pipe seam is most not less than survey meter inner core
At low side graduation position.
Outer tube bottom end drill bit 8 is Type B centre drill head dummy so that outer tube smoothly squeezes into Wetland Substrate, and material is wolfram steel, long
50mm, top diameter 15mm, handle diameter diameter 40mm；Outer tube outer surface is provided with stainless steel protrusion 9 to prevent and treat seam blocking, cuboid
Type, length 500-1000mm, bottom surface are square, side length 5mm；
Outer tube top is with aperture 10 so as to outer tube extraction, and aperture is at the 40mm of top, diameter 15mm, two aperture positions
It sets symmetrical；Outer tube top is connected to stainless steel electrode piece 11 to measure, and electrode slice is away from top 40mm, cubic type, extension
For 10-20mm, high 20-40mm, thick 3-6mm.
As shown in figure 3, survey meter resistance indicator 12 includes warning horn 13 and warning light 14；Survey meter resistance indicator
12 ranges are 200K Ω, and minimum resolution is 100 Ω, and interior voltage supplied is 6V；Using impedance measurement chip monitoring resistor value, will count
According to being sent to single-chip microcontroller, and the alarm in some resistance range is realized by simple determining program, customized alarm range is 0-
2K Ω, and two kinds of alarm modes of optional warning horn and warning light；Crocodile clip electrode wires anode connection outer tube top electricity when measurement
Pole piece, cathode connect inner core apex electrode stick.
The detection method of invention drowned flow artificial wet land water level gauge are as follows: it keeps in outer tube plumbness insertion water, it will be interior
Core is slowly inserted into outer tube, until its position is in the critical value of survey meter resistance indicator numerical value significant changes or alarm, at this time
Inner core bottom electrode piece is just contacted with the wetland water surface, is read the corresponding graduation mark numerical value in survey meter outer tube top, is as surveyed
The height of water level of position.
Embodiment 1:
Each stage SEA LEVEL VARIATION of drowned flow artificial wet land judges substrate clogging.
Using certain small-sized drowned flow artificial wet land as research object, wetland water inlet is sewage disposal plant effluent, initially by survey meter
The vertical driving depth of outer tube 6 is extremely close with 16 depth of drowned flow artificial wet land matrix, and outer tube is rotated a few after squeezing into, utilizes surface
The squeezing action of protrusion 9 prevents from being caught in filler in outer pipe seam 7, constantly measures height of water level using survey meter inner core 1, and utilizes outer
Add lever to pass through outer tube top aperture 10 and adjust 6 height of survey meter outer tube, is respectively monitored until operating normally dive artificial wetland
The initial water level measured value of point is consistent, and keeps system water flow constant, and the water level of an each point is measured every half a year.
The results show that survey meter resistance indicator 12 when 1 bottom end of survey meter inner core and the drowned flow artificial wet land water surface 17 contact
Numerical value significantly reduces, and is reduced to a kilo-ohm order of magnitude numerical value by outranging, and warning light occur and light, level measuring accuracy is
1mm, with the operation of system, drowned flow artificial wet land water inlet end water level is gradually risen, and water inlet end water level is by initial stage after operation 2 years
430mm be increased to 486mm, water outlet water level illustrates that apparent clogging has occurred in inhalant region without significant change.
Embodiment 2:
Each layer porosity determination of drowned flow artificial wet land.
Survey meter parameter is as noted above, and using laboratory scale drowned flow artificial wet land as research object, current wetland is long
1500mm, wide 300mm, high 350mm, wetland kind have wilson iris, and density is 150 plants/m3, and water inlet type is tap water, will visit
It surveys in 6 insertion system of instrument outer tube, adjustment 1 height of survey meter inner core arranges water body in wet land system to the fixed inner core position 110mm
The tap water of certain volume is slowly added into after sky, until survey meter resistance indicator 12 is in the critical value that warning light lights, record
Survey meter inner core 1 is successively adjusted at 220mm and 330mm by the water body volume of addition, repeats aforesaid operations.
The results show that the voidage of plant growth initial stage subsurface flow constructed wetland system the upper, middle and lower is respectively
42.4%, 44.0% and 42.6%, and pass through 6 months growth periods, porosity is divided into 38.0%, 43.4% and 42.4%,
Illustrate that plant root growth occupies about 10% voidage.
Above-mentioned, although the foregoing specific embodiments of the present invention is described with reference to the accompanying drawings, not protects model to the present invention
The limitation enclosed, those skilled in the art should understand that, based on the technical solutions of the present invention, those skilled in the art are not
Need to make the creative labor the various modifications or changes that can be made still within protection scope of the present invention.
Claims (1)
1. a kind of substrate clogging detection method using drowned flow artificial wet land water level gauge, which is characterized in that
The drowned flow artificial wet land water level gauge, comprising: survey meter inner core, survey meter outer tube and resistance indicator；It is described
Survey meter inner core includes: inner core apex electrode stick and inner core bottom electrode piece；The inner core apex electrode stick and inner core bottom end electricity
Pole piece is connected by internal connecting wire；The top of the survey meter outer tube is equipped with outer tube apex electrode piece, the resistance instruction
Device is separately connected inner core apex electrode stick and outer tube apex electrode piece；The survey meter inner core is equipped with scale, survey meter inner core
On zero graduation line and survey meter outer tube top when maintaining an equal level, survey meter inner core and survey meter outer tube bottom end are in same level；
Outer pipe seam is evenly arranged on the survey meter outer tube, the least significant end of the outer pipe seam is carved not less than the least significant end of survey meter inner core
It spends at position；The outer tube outer surface of the survey meter is provided with the protrusion for preventing and treating the outer packing of pipe joints；
The substrate clogging detection method includes:
It is initially that the vertical driving depth of survey meter outer tube is extremely close with drowned flow artificial wet land matrix depth to be measured, by outer tube after squeezing into
A few are rotated, the squeezing action for the protrusion being arranged using tube outer surface outside survey meter prevents from being caught in filler in outer pipe seam；
Survey meter outer tube height is constantly regulate, and measures height of water level using survey meter inner core；Until operating normally dive person who lives in exile
The initial water level measured value of each monitoring point of work wetland is consistent；
The water level of primary each monitoring point is measured every setting time；
When some region of water level is apparently higher than the water level in other regions, illustrate that substrate clogging has occurred in the region.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910704018.2A CN110332974B (en) | 2017-11-16 | 2017-11-16 | Undercurrent artificial wetland water level detector and detection method thereof |
| CN201711139761.5A CN107941305B (en) | 2017-11-16 | 2017-11-16 | A kind of drowned flow artificial wet land water level gauge and its detection method |
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| CN201711139761.5A CN107941305B (en) | 2017-11-16 | 2017-11-16 | A kind of drowned flow artificial wet land water level gauge and its detection method |
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| CN201910704018.2A Division CN110332974B (en) | 2017-11-16 | 2017-11-16 | Undercurrent artificial wetland water level detector and detection method thereof |
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| Publication number | Publication date |
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| CN110332974B (en) | 2020-12-04 |
| CN107941305A (en) | 2018-04-20 |
| CN110332974A (en) | 2019-10-15 |
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