CN106124382B - A kind of porous media filter bed suspended particulate substance blocking form Visualized Analysis System - Google Patents
A kind of porous media filter bed suspended particulate substance blocking form Visualized Analysis System Download PDFInfo
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- CN106124382B CN106124382B CN201610513713.7A CN201610513713A CN106124382B CN 106124382 B CN106124382 B CN 106124382B CN 201610513713 A CN201610513713 A CN 201610513713A CN 106124382 B CN106124382 B CN 106124382B
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- filter bed
- porous media
- media filter
- water
- suspended particulate
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N15/00—Investigating characteristics of particles; Investigating permeability, pore-volume, or surface-area of porous materials
- G01N15/08—Investigating permeability, pore-volume, or surface area of porous materials
- G01N2015/0846—Investigating permeability, pore-volume, or surface area of porous materials by use of radiation, e.g. transmitted or reflected light
Abstract
The invention discloses a kind of porous media filter bed suspended particulate substances to block form Visualized Analysis System, it is characterized in that, including the LED lighting board component connected on rear side of porous media filter bed and bed body, the water supply component connected on the left of porous media filter bed, the high definition camera of collection water assembly and the placement of porous media filter bed front that porous beds right side connects.The present invention uses transparent porous medium filter bed, can visually the clogging caused by suspended particulate substance study, and can directly calculate blocking distribution and blocked area size.Suspended particulate substance is simulated using fluorescent powder, is shone obvious, readily identified suspended particulate substance blocking region has the characteristics that intuitive visual relative to salt tracer and dyestuff tracer.Present invention construction, using simple, build and maintenance cost be relatively low, be suitable for when designing and managing porous media filter bed processing sewage, control is provided and reduces measure and Managed Solution that porous media filter bed stopping state occurs.
Description
Technical field
The present invention relates to technical field of sewage, and it is stifled to be more particularly to a kind of porous media filter bed suspended particulate substance (SS)
The analysis system for filling in area distribution and blocking region area also relates to a kind of blocking of porous media filter bed sedimentation of suspension
Visualized Analysis System is suitable for providing control when designing and managing porous media filter bed processing sewage and reducing porous Jie
The measure and Managed Solution that matter filter bed stopping state occurs.
Background technique
Porous media is because it is with biggish specific surface area, certain conveyance capacity, and sufficient life can be provided for microorganism
Long spacing and attached base, it has also become common filler when processing stain disease.Such as artificial swamp and bacteria bed, exactly fill
Porous media utilizes the microorganism adhered in hole to carry out biochemical treatment.Filler of the porous media as sewage treatment is applicable in
In the concentration purified treatment of domestic sewage in rural areas, livestock breeding wastewater and a part of industrial wastewater, application prospect is extensive.
However, being deposited using porous media as the filler of sewage treatment due to the precipitating of suspended particulate substance in porous media
In susceptible to plugging drawback.The difference of porous media filter bed configuration condition, such as influent load, intake position, the residence time, filler
The difference of particle size etc., caused by blocking form (include: blocking distribution and blocked area) there is also different, influence to locate
The mechanism for managing effect is also different.Correlative study shows organic loading of intaking, and suspended particulate substance (SS) content, packing material size is big
Small difference, chocking-up degree are different.Therefore, different influent loads are studied, residence time and porous media are filled out mode for cloth etc. and matched
Under the conditions of setting, the blocking distribution of porous media filter bed and blocked area etc., to provide control and reduce the blocking of porous media filter bed
The measure happened and Managed Solution are very necessary.
In the past, the most commonly used is use dyestuff tracer and salt tracer (such as: lithium chloride, sieve for the method for research porous media blocking
It is red bright).Reflect the stopping state of porous media filter bed by obtaining the data such as hydraulic efficiency, short circuit value.But utilize tracer
Method cannot directly obtain actual blocking form, and the ginseng such as short circuit value, hydraulic efficiency can only be calculated indirectly by traces
Number judges that porous media with the presence or absence of stopping state, can not intuitively provide the blocking distribution of porous media filter bed, block face
Situations such as product size, exist compared with big limitation.Therefore, how effectively intuitively to probe into the blocking distribution of porous media filter bed and block up
Filling in size is a big difficulty.
Summary of the invention
The purpose of the present invention is: it effectively can directly obtain the feelings such as the distribution of porous media blocking region, blocking region area
Condition.
In order to achieve the above object, it is stifled that the technical solution of the present invention is to provide a kind of porous media filter bed suspended particulate substances
Stopper state Visualized Analysis System, which is characterized in that including the porous media filter bed with four transparent walls and bottom, water supply group
Part, luminescence unit, camera unit, collection water assembly, in which:
Transparent filler is filled in porous media filter bed；
SS experimental water is sent into porous media filter bed by water supply component, wherein being added in SS experimental water has fluorescence
Powder；
After the light irradiation porous media filter bed that luminescence unit issues, so that in porous media filter bed contained by SS experimental water
Fluorescent powder issues fluorescence, the image of porous media filter bed is obtained using camera unit at this time, by the computer of rear end to image
It is handled；
Collect water assembly, the SS experimental water for being discharged collected from porous media filter bed.
Preferably, the bottom of the porous media filter bed and four walls use transparent plexiglass plate, and the transparent filler is adopted
With transparency silica glass pearl, it is equipped with spun yarn net in the porous media filter bed or so two side walls inner vertical, it is described porous
Each row of uniform drilling and tapping is respectively formed inlet opening and apopore to medium filter bed or so two side walls in vertical direction, passes through
Water inlet pipe is connected to adjust the height of water inlet pipe from different inlet openings, is connected to adjust from different apopores by outlet pipe
The height of outlet pipe.
Preferably, the water supply component includes constant current water pump, flowmeter, SS concentration mensuration instrument one, Experimental Water Tank, flushing water
Case, Stirring device, Experimental Water Tank are connected via flowmeter one and control valve one with water-supply-pipe；Flush box is via flowmeter two
And control valve two be connected be connected with water-supply-pipe, water-supply-pipe is connected with the water inlet end of constant flow pump；Stirring device is fixed on experiment water
In case, the probe of SS concentration mensuration instrument one is fixed in Experimental Water Tank, and the water outlet of constant flow pump passes through water-supply-pipe and porous media
The water inlet pipe of filter bed is connected.
Preferably, the Experimental Water Tank is made with flush box of PVC editions, volume 1.0m3~1.5m3, Experimental Water Tank
Interior storage SS experimental water；The Stirring device revolving speed is 40r/min~60r/min.
Preferably, the collection water assembly includes header tank, SS concentration mensuration instrument two, water-supply-pipe, and porous media filter bed goes out
Water pipe is connected with water-supply-pipe, and water-supply-pipe is connected with header tank, and SS concentration mensuration instrument two is placed in header tank.
Preferably, the long 1.0m~1.2m of the porous media filter bed, width 0.25m~0.3m, high 0.5m~0.6m；It is described
Bright poly (methyl methacrylate) plate average thickness 15mm~20mm；The transparency silica glass bead diameter 3.0mm~5.0mm, packed height
0.5m~0.6m；The inlet opening aperture 10mm~12mm, the apopore aperture 10mm~12mm；In between adjacent inlet opening
In the heart away from for 2.5cm~3.0cm；Water inlet pipe and water outlet pipe outside diameter 10mm~12mm, long 4cm~6cm；The spun yarn screen distance
1.0mm~2.0mm.
Preferably, the luminescence unit use LED lighting board component, the LED lighting board component include transparent watertight lampshade,
LED shines lamp plate, lamp panel support and adjustable DC power supply, and the lamp plate that shines of the LED for irradiating the porous media filter bed is solid
Due in transparent watertight lampshade, lamp panel support fixes support transparent watertight lampshade, the luminous lamp plate of LED and adjustable DC power supply phase
Even.
Preferably, the transparent watertight lampshade is long, height and the porous media filter bed are long, Gao Xiangtong；The LED electroluminescent lamp
Plate uses blue light diode；The lamp panel support selects stainless steel to be made.
Preferably, the SS experimental water is modulated using deionized water with fluorescent powder, and fluorescent powder concentration is preferred
For 4mg/L~8mg/L.
Preferably, the fluorescent powder is yellow green；The flushing water stored in the flush box is deionized water.
Compared with prior art, the beneficial effects of the present invention are:
1. the present invention uses transparent porous medium filter bed, visually the clogging caused by SS analog study can be carried out,
Blocking distribution and blocked area size can directly be calculated；
2. the present invention simulates SS using fluorescent powder, fluorescence is issued under the irradiation of blue LED lamp, shines obvious, is easy to
It identifies SS blocking region, relative to salt tracer and dyestuff tracer, has the characteristics that intuitive visual；
3. present invention construction, using simple, builds and maintenance cost is relatively low, can be design management porous media filter bed
Sewage disposal system provides lab scale blocking experiment as reference.
Detailed description of the invention
Fig. 1 is the whole knot that porous media filter bed suspended particulate substance provided by the invention blocks form Visualized Analysis System
Structure schematic diagram；
Fig. 2 is the front view of porous media filter bed and LED lighting board component provided by the invention；
Fig. 3 is the top view of porous media filter bed and LED lighting board component provided by the invention；
Fig. 4 is the left view of porous media filter bed and LED lighting board component provided by the invention；
Fig. 5 is the structural schematic diagram of water supply component provided by the invention；
Fig. 6 is the structural schematic diagram of collection water assembly provided by the invention.
Specific embodiment
In order to make the present invention more obvious and understandable, hereby with preferred embodiment, and attached drawing is cooperated to be described in detail below.
As shown in Figure 1, blocking the whole of form Visualized Analysis System for porous media filter bed suspended particulate substance SS of the present invention
Body structural schematic diagram.It includes porous media filter bed and bed that porous media filter bed suspended particulate substance, which blocks form Visualized Analysis System,
The LED lighting board component 1 connected on rear side of body, the water supply component 2 that porous media filter bed left side connects, the connection of porous beds right side
Collection water assembly 3 and porous media filter bed front placement high definition camera 4.
Porous media filter bed, long 1.0m~1.2m, width 0.25m~0.3m, high 0.5m~0.6m.Bottom and four walls are preferably saturating
Bright poly (methyl methacrylate) plate 12, average thickness 15mm~20mm.Transparency silica glass pearl 13, partial size are filled in porous media filter bed
3.0mm~5.0mm, packed height 0.5m~0.6m.Porous media filter bed two side walls inner vertical is laid with spun yarn net, aperture
1.0mm~2.0mm.Transparent porous medium filter bed or so two side walls each row of uniform drilling and tapping in vertical direction, aperture
It being sealed using screw, left side wall is inlet opening, and right side wall is apopore, and inlet opening and apopore aperture are 10mm~12mm,
Center spacing is 2.5cm~3.0cm between adjacent inlet opening.Left side wall respectively connect a water inlet pipe 15 with right side wall and one goes out
Water pipe 16,16 outer diameter 10mm~12mm of water inlet pipe 15 and outlet pipe, long 4cm~6cm.
LED lighting board component includes: transparent watertight lampshade 18, and LED shines lamp plate 19, lamp panel support 20 and adjustable direct current
Power supply.The luminous lamp plate 19 of LED is fixed in transparent watertight lampshade 18, the fixed support transparent watertight lampshade 18, LED of lamp panel support 20
The lamp plate 19 that shines is connected with adjustable DC power supply.The transparent watertight lampshade 18 is made of transparent organic glass version, long
1.0m~1.2m, width 0.05m~0.08m, high 0.5m~0.6m.The length of transparent watertight lampshade 18, high and transparent porous medium filter bed
Long, Gao Xiangtong, LED shine the preferred blue light diode of lamp plate 19, and the selection stainless steel of lamp panel support 20 is made.
As shown in figure 5, blocking the water supply of form Visualized Analysis System for porous media filter bed suspended particulate substance of the present invention
Component structure diagram, water supply component 2 include: constant current water pump 11, one 7-1 of flowmeter, two 7-2, SS concentration mensuration instrument of flowmeter
One 6-1, Experimental Water Tank 9, flush box 10, Stirring device 5.Experimental Water Tank 9 is connected with one 7-1 of flowmeter, one 7-1 of flowmeter
It is connected with one 8-1 of control valve, one 8-1 of control valve is connected with water-supply-pipe, and water-supply-pipe is connected with 11 water inlet end of constant flow pump；Flush box
10 are connected with two 7-2 of flowmeter, and two 7-2 of flowmeter is connected with two 8-2 of control valve, and two 8-2 of control valve is connected with water-supply-pipe, water delivery
Pipe is connected with 11 water inlet end of constant flow pump, and Stirring device 5 is fixed in Experimental Water Tank 9, and one 6-1 of SS concentration mensuration instrument probe is fixed
In Experimental Water Tank 9.11 water outlet of constant flow pump is connected by water-supply-pipe with an inlet opening of porous media filter bed.
Experimental Water Tank 9 is made with flush box 10 of PVC editions, and volume is preferably 1.0m3~1.5m3, in Experimental Water Tank 9
Store SS experimental water.SS experimental water is modulated using deionized water with fluorescent powder, and the fluorescent powder color is preferred
For yellow green, the SS experimental water fluorescent powder concentration is preferably 4mg/L~8mg/L.Punching is stored in the flush box 10
Wash water, flushing water are preferably deionized water.5 revolving speed of Stirring device is preferably 40r/min~60r/min.
As shown in fig. 6, blocking catchmenting for form Visualized Analysis System for porous media filter bed suspended particulate substance of the present invention
Component structure diagram, the collection water assembly 3 include: header tank 21, two 6-2 of SS concentration mensuration instrument and water-supply-pipe.Porous media
Filter bed is connected with water-supply-pipe, and water-supply-pipe is connected with header tank 21, and two 6-2 of SS concentration mensuration instrument is placed in header tank 21.
The working principle of the SS blocking form Visualized Analysis System of porous media filter bed processing stain disease of the invention are as follows:
Setting water inlet flow velocity, selects inlet opening and apopore, and SS experimental water is passed through porous media filter bed by constant flow pump 11 and is carried out
Filtering.After filtering, apopore is closed, in porous media filter bed, is full of deionized water.The luminous lamp plate 19 of LED is opened, it is more
Fluorescent powder is trapped in the medium filter bed of hole and meets blue light sending fluorescence, is shot at this time, photo is handled using computer, is obtained
Distribution and the area for obtaining light emitting region calculate blocking region distribution and the area of porous media filter bed.Simultaneously before and after measurement experiment,
The SS concentration of Experimental Water Tank 9 and header tank 21 calculates porous media filter bed SS capture rate.
The operation method of the SS blocking form Visualized Analysis System of porous media filter bed processing sanitary sewage of the invention
Are as follows: SS experimental water is poured into Experimental Water Tank 9, turn on agitator 5 was stirred by 10~15 minutes, uniform to SS experimental water
Afterwards, using the SS concentration of experimental water in one 6-1 measurement experiment water tank 9 of SS concentration mensuration instrument.It unscrews on the left of porous media filter bed
One inlet opening of wall and an apopore of right side wall, using water-supply-pipe by the water outlet of constant flow pump 11 and porous media filter bed
Inlet opening connection, porous media filter bed apopore is connect with header tank 21 using water-supply-pipe, close flush box 10 control
Two 8-2 of valve opens 9 control valve of Experimental Water Tank, one 8-1, opens constant flow pump 11, adjusts flow velocity, SS experimental water is passed through porous Jie
Matter filter bed.SS experimental water is after the filtering of porous media filter bed, and effluent collection is in header tank 21.After testing, make
With the SS concentration being discharged in two 6-2 of SS concentration mensuration instrument measurement header tank 21.Open the luminous lamp plate 19 of LED, porous media filter bed
Middle trapping fluorescent powder meets blue light and issues fluorescence, opens camera 4 at this time, adjusts focal length, is shot.
Water inlet in Experimental Water Tank 9 is modulated using deionized water and yellow-green fluorescence powder, is surveyed using SS concentration
Determining the water inlet SS concentration in one 6-1 measurement experiment water tank 9 of instrument is 7.8mg/L, and 5 revolving speed of Stirring device is 40r/min, through excessive
It the use of the water outlet SS concentration in two 6-2 of SS concentration mensuration instrument measurement header tank 21 is 0.73mg/L after the filtering of hole medium filter bed, it is more
Hole medium filter bed SS capture rate is 90.64%.When water inlet is located at porous media filter bed left upper portion, water outlet is located at right side bottom
When portion, according to high definition camera 4 shoot photo, handled using computer it is found that blocking region be located at water outlet side,
Corner location far from water outlet, blocking region area are 13.8%.
The transparent porous medium filter bed and LED lighting board component that the present invention uses can be blocked visually caused by SS existing
As being studied, blocking distribution and blocked area size can be directly calculated.
Claims (10)
1. a kind of porous media filter bed suspended particulate substance blocks form Visualized Analysis System, which is characterized in that saturating including having
Porous media filter bed, water supply component (2), luminescence unit, camera unit, collection water assembly (3) of bright four walls and bottom, in which:
Transparent filler is filled in porous media filter bed；
SS experimental water is sent into porous media filter bed by water supply component (2), wherein being added in SS experimental water has fluorescent powder
End；
After the light irradiation porous media filter bed that luminescence unit issues, so that fluorescence contained by SS experimental water in porous media filter bed
Powder issues fluorescence, obtains the image of porous media filter bed using camera unit at this time, is carried out by the computer of rear end to image
Processing；
Collect water assembly (3), the SS experimental water for being discharged collected from porous media filter bed.
2. a kind of porous media filter bed suspended particulate substance as described in claim 1 blocks form Visualized Analysis System, special
Sign is that the bottom of the porous media filter bed and four walls use transparent plexiglass plate (12), and the transparent filler is using saturating
Alum English bead (13) is equipped with spun yarn net in the porous media filter bed or so two side walls inner vertical, described porous
Each row of uniform drilling and tapping is respectively formed inlet opening and apopore to medium filter bed or so two side walls in vertical direction, passes through
Water inlet pipe (15) is connected to adjust the height of water inlet pipe (15) from different inlet openings, passes through outlet pipe (16) and different apopores
It is connected to adjust the height of outlet pipe (16).
3. a kind of porous media filter bed suspended particulate substance as claimed in claim 2 blocks form Visualized Analysis System, special
Sign is that the water supply component (2) includes constant current water pump (11), flowmeter (7), SS concentration mensuration instrument one (6-1), Experimental Water Tank
(9), flush box (10), Stirring device (5), Experimental Water Tank (9) via flowmeter one (7-1) and control valve one (8-1) with
Water-supply-pipe is connected；Flush box (10) is connected via flowmeter two (7-2) and control valve two (8-2) and is connected with water-supply-pipe, water delivery
Pipe is connected with the water inlet end of constant current water pump (11)；Stirring device (5) is fixed in Experimental Water Tank (9), SS concentration mensuration instrument one
The probe of (6-1) is fixed in Experimental Water Tank (9), and the water outlet of constant current water pump (11) passes through water-supply-pipe and porous media filter bed
Water inlet pipe (15) is connected.
4. a kind of porous media filter bed suspended particulate substance as claimed in claim 3 blocks form Visualized Analysis System, special
Sign is that the Experimental Water Tank (9) is made with flush box (10) of PVC editions, volume 1.0m3~1.5m3, Experimental Water Tank
(9) SS experimental water is stored in；Stirring device (5) revolving speed is 40r/min~60r/min.
5. a kind of porous media filter bed suspended particulate substance as claimed in claim 2 blocks form Visualized Analysis System, special
Sign is that the collection water assembly (3) includes header tank (21), SS concentration mensuration instrument two (6-2), water-supply-pipe, porous media filter bed
Outlet pipe (16) be connected with water-supply-pipe, water-supply-pipe is connected with header tank (21), and SS concentration mensuration instrument two (6-2), which is placed in, to catchment
In case (21).
6. a kind of porous media filter bed suspended particulate substance as claimed in claim 2 blocks form Visualized Analysis System, special
Sign is, the long 1.0m~1.2m of the porous media filter bed, width 0.25m~0.3m, high 0.5m~0.6m；Transparent organic glass
Glass plate (12) average thickness 15mm~20mm；Transparency silica glass pearl (13) partial size 3.0mm~5.0mm, packed height
0.5m~0.6m；The inlet opening aperture 10mm~12mm, the apopore aperture 10mm~12mm；In between adjacent inlet opening
In the heart away from for 2.5cm~3.0cm；Water inlet pipe (15) and outlet pipe (16) outer diameter 10mm~12mm, long 4cm~6cm；The spun yarn
Screen distance 1.0mm~2.0mm.
7. a kind of porous media filter bed suspended particulate substance as described in claim 1 blocks form Visualized Analysis System, special
Sign is that the luminescence unit uses LED lighting board component, which includes transparent watertight lampshade (18), LED
Luminous lamp plate (19), lamp panel support (20) and adjustable DC power supply, for irradiating the LED electroluminescent lamp of the porous media filter bed
Plate (19) is fixed in transparent watertight lampshade (18), fixed support transparent watertight lampshade (18) of lamp panel support (20), LED electroluminescent lamp
Plate (19) is connected with adjustable DC power supply.
8. a kind of porous media filter bed suspended particulate substance as claimed in claim 7 blocks form Visualized Analysis System, special
Sign is that the transparent watertight lampshade (18) is long, height and the porous media filter bed are long, Gao Xiangtong；The LED shines lamp plate
(19) blue light diode is used；The lamp panel support (20) selects stainless steel to be made.
9. a kind of porous media filter bed suspended particulate substance as described in claim 1 blocks form Visualized Analysis System, special
Sign is, the SS experimental water is modulated using deionized water with fluorescent powder, fluorescent powder concentration be preferably 4mg/L~
8mg/L。
10. a kind of porous media filter bed suspended particulate substance as claimed in claim 3 blocks form Visualized Analysis System, special
Sign is that the fluorescent powder is yellow green；The flushing water stored in the flush box (10) is deionized water.
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| CN107831095A (en) * | 2017-10-18 | 2018-03-23 | 河海大学 | Underground low osmotic medium pollutant invasion and the visualized experiment method of release process |
| CN108181223A (en) * | 2017-12-26 | 2018-06-19 | 北京航空航天大学 | A kind of measuring device and measuring method for porous biomaterial permeability |
| CN108444873B (en) * | 2018-03-21 | 2020-04-21 | 山东大学 | Method for calculating integral migration speed of particles in blocking process |
| CN110057730A (en) * | 2019-03-12 | 2019-07-26 | 天津大学 | A kind of human body particulate matter active inhaled concentration test method |
| CN111337402A (en) * | 2019-11-01 | 2020-06-26 | 东华大学 | Quick testing arrangement of different thickness fiber fabric in-plane permeability |
| CN111878071B (en) * | 2019-11-15 | 2023-08-22 | 中国石油天然气股份有限公司 | Stratum simulation system and application method thereof |
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