CN109489568A - A kind of auxiliary device and measuring method of on-line determination Wastewater treatment filling material biofilm thickness - Google Patents
A kind of auxiliary device and measuring method of on-line determination Wastewater treatment filling material biofilm thickness Download PDFInfo
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- CN109489568A CN109489568A CN201811163090.0A CN201811163090A CN109489568A CN 109489568 A CN109489568 A CN 109489568A CN 201811163090 A CN201811163090 A CN 201811163090A CN 109489568 A CN109489568 A CN 109489568A
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- 238000000034 method Methods 0.000 title claims abstract description 35
- 238000004065 wastewater treatment Methods 0.000 title claims abstract description 29
- 239000000463 material Substances 0.000 title claims description 21
- 239000000945 filler Substances 0.000 claims abstract description 130
- 239000002351 wastewater Substances 0.000 claims abstract description 85
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 19
- 230000002572 peristaltic effect Effects 0.000 claims abstract description 13
- 230000008569 process Effects 0.000 claims abstract description 11
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 claims description 12
- 229910052760 oxygen Inorganic materials 0.000 claims description 12
- 239000001301 oxygen Substances 0.000 claims description 12
- 238000001914 filtration Methods 0.000 claims description 4
- 230000003252 repetitive effect Effects 0.000 claims description 4
- 239000012528 membrane Substances 0.000 claims description 3
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 3
- 238000007599 discharging Methods 0.000 claims description 2
- 238000005273 aeration Methods 0.000 claims 1
- 239000011148 porous material Substances 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 11
- 239000010865 sewage Substances 0.000 abstract description 5
- 238000005516 engineering process Methods 0.000 abstract description 2
- 108010066278 cabin-4 Proteins 0.000 description 8
- 238000007667 floating Methods 0.000 description 6
- 230000001066 destructive effect Effects 0.000 description 3
- 238000011065 in-situ storage Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 239000005416 organic matter Substances 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000005070 sampling Methods 0.000 description 2
- 239000000243 solution Substances 0.000 description 2
- 238000001228 spectrum Methods 0.000 description 2
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012512 characterization method Methods 0.000 description 1
- 238000006243 chemical reaction Methods 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910001385 heavy metal Inorganic materials 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000010842 industrial wastewater Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000000691 measurement method Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000010841 municipal wastewater Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000032696 parturition Effects 0.000 description 1
- 238000007639 printing Methods 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 239000011540 sensing material Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012546 transfer Methods 0.000 description 1
- 238000009941 weaving Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/02—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness
- G01B11/06—Measuring arrangements characterised by the use of optical techniques for measuring length, width or thickness for measuring thickness ; e.g. of sheet material
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- General Physics & Mathematics (AREA)
- Biological Treatment Of Waste Water (AREA)
- Activated Sludge Processes (AREA)
Abstract
The invention discloses a kind of auxiliary devices and measuring method for measuring wastewater treatment biomembrane thickness, belong to biomembrane sewage treatment field technology.A kind of auxiliary device measuring wastewater treatment biomembrane thickness, including filler holding chamber, waste water collector, the passive emptying system of waste water, aerating system, camera system and controller, adjustment sheet and filler fixed cylinder are equipped in filler holding chamber, filler holding chamber lower part is provided with water supply pipe, simulated wastewater is supplied by peristaltic pump, the draining of filler cabin belongs to Overflow drainage, and the waste water of collection is passively discharged by peristaltic pump；Filler holding chamber is embedded in online camera system, is taken pictures online by controller and is obtained biofilm thickness.It is taken pictures online by configuring simulated wastewater-placement filler-circulating water supply-, biofilm thickness on-line determination process can be completed.Measuring method provided by the invention is easy to operate, low in cost, can be widely applied to the measurement of field of waste water treatment biofilm thickness.
Description
Technical field
The invention belongs to biofilm technical field of sewage, at a kind of on-line determination waste water
Manage the device and method of carrier biofilm.
Background technique
With the continuous improvement that effluent quality requires, most of sewage treatment plant needs to propose mark transformation.Biofilm due to
, removal to organic matter adaptable with water quantity and quality, denitrogenation dephosphorizing and go removing heavy metals to work well, power cost save etc.
Advantage is widely used in mentioning in mark transformation for sewage treatment plant.Currently, biofilm be used successfully to weaving, printing and dyeing, wine brewing,
In the industry such as petrochemical industry and the processing of sanitary sewage.Cyclic annular floated object packing specific area is big, and density is close to the close of water
Degree can seethe up and down after being aerated in aerobic tank, strengthen the mass transfer of organic matter, and hydraulic shear can promote aging biological
Film falls off, and is widely used in mentioning in mark transformation for waste water treatment plant.
In bio membrane process actual moving process, the biofilm of biomembrane is the core of the technology whether film forming.At present
Judge that the method for Biofilm Colonization success or not mainly observes by the naked eye method, artificial deviation is bigger.And filler is usually
From pulling out again in waste water, the water stream channel in carrier biofilm is destroyed, part biological film is caused to collapse.
Chinese Patent Application No. is 201310081510.1, and data of publication of application is to disclose measurement life on June 12nd, 2013
The device and measuring method of object film aerobic layer thickness and anaerobic layer thickness, this method measure life using the method for dissolved oxygen micro electrode
Dissolved oxygen inside object film, the thickness of biomembrane is extrapolated by the content of dissolved oxygen, and this method can be widely applied to science
In research, mainly for maturity biomembrane, and then its aerobic layer and anaerobic layer thickness are measured, and due to measuring using Interventional
Method is easy to damage biomembrane internal structure.
Chinese Patent Application No. is 201620472856.3, and data of publication of application is to disclose a kind of life on December 7th, 2016
Object film thickness determination system automatic sensing material to be measured and can voluntarily be calculated by data processing equipment equipped with touch sensor
Thickness, but the equipment is not to be related to the people for wastewater treatment for the thickness measurement of the natural biologies films such as pigskin
The thickness measurement of work biomembrane.
Chinese Patent Application No. is 201010257722.7, and data of publication of application is to disclose film thickness on April 24th, 2013
Measuring device, the equipment include: spectrum acquiring unit, spectra calculation unit, film thickness computing unit, measurement Mass Calculation list
Member, measurement quality determination unit and film thickness output unit, the film thickness that film thickness is measured by using the interference of light are surveyed
Amount, the device measuring process is complicated, cannot observe Biofilm Colonization state online.
Efficient Characterization is carried out to the thickness of biomembrane it would therefore be highly desirable to develop effective method, as judging Biofilm Colonization
The effective tool of success or not.The effective ways of measurement wastewater treatment biomembrane thickness are extremely limited at present.
Summary of the invention
1. solving the problems, such as
For the problem of non-destructive determination biofilm thickness difficulty in situ, the present invention provides a kind of on-line determination wastewater treatment and fills out
Expect the auxiliary device and measuring method of biofilm thickness, mainly taken pictures in real time by camera system and obtain image, calculates biomembrane
Thickness, waste water take pictures during passing through filler, avoid damage to biofilm structure, solve non-destructive determination biofilm thickness in situ
Difficult problem.Method of the invention is capable of the thickness of non-destructive determination biomembrane effective, easy, quick, accurate, in situ.
2. technical solution
To solve the above-mentioned problems, the technical solution adopted in the present invention is as follows:
A kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness, including filler fixed cylinder, filler are placed
Room and pedestal, the filler holding chamber are hollow column, are divided into filler and place upper cabin and the lower cabin of filler placement, described
The fixed cover of filler close and placed on upper cabin in filler, the upper side that filler places upper cabin is equipped with multiple waste water outflows
Hole, the middle part of filler fixed cylinder are equipped with mouth of taking pictures, water inlet, discharge outlet and wastewater collection annular groove are arranged on the pedestal,
The filler is placed lower cabin and is connected to water inlet, and the discharge outlet is connected to wastewater collection annular groove.
Further, the internal diameter that the filler places upper cabin is greater than the internal diameter that filler places lower cabin, wherein fills out
The internal diameter that material places upper cabin is 2.8cm~5.8cm, is highly 1.2cm~2.4cm, and the internal diameter that filler places lower cabin is
1.5cm~2.4cm is highly 2.0cm~3.0cm.
It further, further include cylindricality adjustment sheet and annular adjustment sheet, the filler in the filler holding chamber
Cabin passes through annular adjustment sheet and adjusts highly in placement, and filler places lower cabin and adjusts internal diameter by cylindricality adjustment sheet, annular to adjust
The outer diameter of nodal plate is slightly less than filler and places diameter in upper-deck cabin room, places upper-deck cabin in order to which annular adjustment sheet can be respectively put into filler
Room；The outer diameter of cylindricality adjustment sheet is slightly less than the internal diameter that lower cabin filler places lower cabin, in order to which annular adjustment sheet, cylindricality are adjusted
Piece can be respectively put into filler and place upper and lower cabin.
Further, the filler fixed cylinder is that separable, described filler fixed cylinder is put by being inserted in filler
Cabin exterior is set to fix filler.
Further, mouth of taking pictures, the hole of the mouth of taking pictures is arranged in the filler fixed cylinder upper surface center opening
Diameter size is 2cm~2.5cm, and the filler fixed cylinder is internally provided with several columnar filler contact studs, and diameter is
0.25cm~0.5cm, length are 0.2cm~0.8cm.
Further, the water inlet is connect through wriggling pump water inlet, waste water collector connection with waste water collector
Aerating system controls the dissolved oxygen concentration of waste water；The discharge outlet connection passive emptying system of waste water is arranged by peristaltic pump
Water.
Further, filler places cabin and fixed part is integrally placed in online camera system.
Further, a kind of method of on-line determination Wastewater treatment filling material biofilm thickness, the steps include:
1) target filler is sampled；
2) waste water is collected, waste water filtering is placed in waste water collector, the dissolved oxygen of waste water is controlled by aerating system
For 3~5mg/L；
3) filler outer diameter and height are estimated, according to filler outer diameter and height, cylindricality adjustment sheet and annular adjustment sheet is selected, puts
Enter into filler holding chamber, then places filler and placed in upper-deck cabin room in filler；
4) filler fixing barrel casing is placed into upper cabin top in filler；
5) waste water is injected by filler by peristaltic pump and places lower cabin；
6) when waste water is flowed out from waste water outflow hole, the peristaltic pump of the passive emptying system of waste water is opened, camera system is opened
The filler placement indoor filler of upper-deck cabin is focused and is taken pictures；
7) image of taking pictures is handled using PaintShop, single-point biofilm thickness is measured using line-of-sight course；
8) filler, repetitive process 3 are replaced)~7).
Further, use sampler by waste water and biomembrane together from biological reaction pool in step 1) in sampling process
Middle taking-up, prevents carrier biofilm from leaving waste water；
Further, the waste water of step 2) is the different location sampling of 5~10, destination sample pond, mixes and obtains waste water sample
This；
Further, the waste water of step 2) is filtered using 8~10 μm of filter membranes；The control of waste water dissolved oxygen 3~
5mg/L；
Further, it is 0.5~1mL/min that step 5) waste water, which enters the flow velocity of device,；
Further, the flow velocity of step 6) waste water discharging device is 1.5~2mL/min；
Further, the preferred stereomicroscope of camera system in step 6), preferably SMZ800N, SMZ1000, SMZ745,
SMZ745T stereomicroscope；
Further, the point of step 7) line-of-sight course measurement biomembrane is to take mean value to obtain biomembrane at 20~30
Thickness；
Further, preferred thickness processing software is that camera system carries software in step 7).
3. beneficial effect
Compared with the prior art, the invention has the benefit that
(1) biofilm thickness on-line determination device of the invention is passively arranged by filler placement cabin, waste water collector, waste water
Empty set system, aerating system and online camera system composition, structure is simple, facilitates installation, easy to operate, work efficiency is high；
(2) accuracy of apparatus of the present invention whole matching is good, low in cost, safe operation；
(3) apparatus of the present invention can ensure the original growth conditions of wastewater treatment biomembrane to the full extent, avoid giving birth to
Measurement error caused by object film internal gutter collapses improves the accuracy of biomembrane measurement thickness；
(4) apparatus of the present invention can directly be built at waste water treatment plant scene, directly be measured, time-consuming short.
Detailed description of the invention
Fig. 1 is the exploded view of on-line determination Wastewater treatment filling material biofilm thickness device of the present invention；
Fig. 2 is on-line determination Wastewater treatment filling material biofilm thickness device figure of the present invention and its connection schematic diagram；
Fig. 3 is the cross-sectional view of on-line determination Wastewater treatment filling material biofilm thickness device of the present invention；
Fig. 4 is the filler photo that controller obtains.
Figure label explanation:
1, water inlet；2, discharge outlet；3, wastewater collection annular groove；4, filler places lower cabin；5, filler places upper cabin；
6, waste water outflow hole；7, cylindricality adjustment sheet；8, annular adjustment sheet；9, filler fixed cylinder；10, filler contact stud；11, it takes pictures mouth；
12, aerating system；13, waste water collector；14, the passive emptying system of waste water；15, camera system；16, controller.
Specific embodiment
The present invention is further described below combined with specific embodiments below.
Embodiment 1
As shown in Figure 1, Figure 2 and Figure 3, a kind of device of on-line determination Wastewater treatment filling material biofilm thickness, including filler
Fixed cylinder 9, filler holding chamber and wastewater collection annular groove 3, the filler holding chamber are hollow column, are divided into filler placement
Upper cabin 5 and filler place lower cabin 4, and filler places a height of 1.2cm, the internal diameter 5.8cm in upper cabin 5, and filler places lower cabin
A height of 2.0cm, the internal diameter 2.4cm of room 4.
The filler places lower 4 bottom of cabin and is connected with water inlet 1,1 break-through wastewater collection annular groove 3 of water inlet it is interior
Portion connects waste water collector 13, and waste water collector 13 is connected with an aerating system 12, to control waste water in waste water collector 13
Dissolved oxygen, supplied using peristaltic pump, so that waste water is entered filler by water inlet 1 and place lower cabin 4.
The upper side that the filler places upper cabin 5 is equipped with multiple waste water outflow holes 6, and waste water is from waste water outflow hole 6
Wastewater collection annular groove 3 is flowed into, the upper surface of 3 bottom surface of wastewater collection annular groove opens up drainage hole, and drainage hole has got through waste water receipts
The inside for collecting annular groove 3 connects discharge outlet 2, and discharge outlet 2 connects the passive emptying system 14 of waste water, realizes passive row by peristaltic pump
Water.
The lid of filler fixed cylinder 9 is closed to be placed on upper cabin 5 in filler, is internally provided with that several diameters are 0.5cm, length is
The columned filler contact stud 10 of 0.2cm, filler fixed cylinder 9 are inserted in outside the upper cabin 5 of filler placement, and filler contact stud is passed through
10 fix filler, and the mouth 11 of taking pictures that aperture is 2.5cm is arranged in 9 upper surface center opening of filler fixed cylinder, described is stereoscopic aobvious
Micro mirror camera system 15 is directed at mouth 11 of taking pictures, and controls stereomicroscope camera system 15 by controller 16 and takes pictures online, obtains
Biomembrane picture, and then measure its thickness.
A kind of method of on-line determination Wastewater treatment filling material biofilm thickness, the present embodiment is in certain industrial wastewater aerobic tank
The thickness of suspended filler biofilm is detected, and the outer diameter and height of floating stuffing are respectively 25mm and 10mm.
The specific implementation process of this example are as follows:
1) whole-sample is carried out to target filler and waste water；
2) waste water filtering is placed on waste water collector 13, controlling dissolved oxygen by aerating system 12 is 5mg/L；
3) filler outer diameter and height are 25mm and 10mm, do not need to be put into cylindricality adjustment sheet 7 and annular adjustment sheet 8, directly
Filler is placed to place in upper cabin 5 in filler；
4) upper 5 top of cabin is placed in filler by 9 sets of filler fixed cylinder；
5) controlling speed by peristaltic pump is cabin 4 under 0.5mL/min places waste water injection filler；
6) when waste water is flowed out from waste water outflow hole 6, the peristaltic pump of the passive emptying system 14 of waste water is opened, speed is
1.5mL/min opens stereomicroscope stereomicroscope camera system 15, focuses under low power lens, then gradually adjusts to height
Times mirror mode, passes through 16 real-time display of controller of connection；
7) it is taken pictures using the control of controller 16, as a result as shown in the A of Fig. 4, is handled and clapped using the PaintShop of configuration
According to image, as a result as shown in the B of Fig. 4, at line-of-sight course measurement single-point biofilm thickness 30, mean value is taken, obtains biological film thickness
Degree is 158 μm ± 21 μm.
8) 5 fillers, repetitive process 3 are replaced)~7), the average thickness for obtaining biomembrane in the aerobic tank is 136 ± 18 μ
m。
Embodiment 2
The device of the present embodiment is substantially the same manner as in Example 1, and difference is: the filler is placed to be put into upper cabin 5
Annular adjustment sheet 8 adjusts height, and filler, which is placed, is put into the adjusting internal diameter of cylindricality adjustment sheet 7 in lower cabin 4, wherein annular adjustment sheet 8
Internal diameter be 8mm, a height of 2mm, the internal diameter of cylindricality adjustment sheet 7 is 8mm, a height of 2cm.
A kind of method of on-line determination Wastewater treatment filling material biofilm thickness, the present embodiment is in certain municipal wastewater aerobic tank
The thickness of suspended filler biofilm is detected, and the outer diameter and height of floating stuffing are respectively 10mm and 8mm.When floating stuffing
When outer diameter is less than the internal diameter in cabin 4 under filler is placed, need to be adjusted the internal diameter that filler places lower cabin 4 with cylindricality adjustment sheet 7,
It prevents floating stuffing from falling into filler and places lower cabin 4, when the height of floating stuffing, which is less than filler, places the height in upper cabin 5,
It needs to be adjusted the height that filler places upper cabin 5 with annular adjustment sheet 8, guarantees that floating stuffing is located at filler and places upper cabin 5
Top, in this way convenient for taking pictures.
The specific implementation process of this example are as follows:
1) target filler and waste water are sampled；
2) waste water filtering is placed on waste water collector 13, controlling dissolved oxygen by aerating system 12 is 3mg/L；
3) filler outer diameter and height are 10mm and 10mm, are put into cylindricality adjustment sheet 7 and annular adjustment sheet 8, place filler in
Filler is placed in upper cabin 5；
4) filler fixed cylinder 9 is placed in filler and places upper 5 top of cabin；
5) controlling speed by peristaltic pump is cabin 4 under 1mL/min places waste water injection filler；
6) when waste water is flowed out from waste water outflow hole 6, the peristaltic pump of the passive emptying system 14 of waste water, speed 2mL/ are opened
Min opens stereomicroscope stereomicroscope camera system 15, focuses under low power lens, then gradually adjusts and arrives high power lens mould
Formula passes through 16 real-time display of controller of connection；
7) it is taken pictures using the control of controller 16, image of taking pictures is handled using the PaintShop of configuration, using line-of-sight course
It measures at single-point biofilm thickness 20, taking biofilm thickness mean value is 108 μm ± 17 μm.
8) 5 fillers, repetitive process 3 are replaced)~7), the average thickness for obtaining biomembrane in the aerobic tank is 86 ± 21 μ
m。
It is worth noting that those skilled in the art, under present inventive concept and specific embodiment enlightenment, energy
Enough some deformations for directly exporting or associating from the disclosure of invention and common sense.It will be recognized by those of ordinary skill in the art that
Other methods can also be used, or commonly use the mutually different combination etc. between the substitution and feature of well-known technique in the prior art
Unsubstantiality change, can equally be applied, can realize the present invention function and effect that describe, no longer citing expansion one by one
It describes in detail, belongs to the scope of the present invention.
Claims (10)
1. a kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness, it is characterised in that: including filler fixed cylinder
(9), filler holding chamber and wastewater collection annular groove (3), the filler holding chamber are hollow column, are divided into filler and place
Cabin (5) and filler are placed lower cabin (4), and filler fixed cylinder (9) lid is closed to be placed on upper cabin (5) in filler, filler
The upper side of cabin (5) is equipped with multiple waste water outflow holes (6) in placement, and the middle part of filler fixed cylinder (9) is equipped with mouth of taking pictures
(11), water inlet (1), discharge outlet (2) and wastewater collection annular groove (3) are set on the pedestal, under the filler is placed
Cabin (4) is connected to water inlet (1), and the discharge outlet (2) is connected to wastewater collection annular groove (3).
2. a kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness according to claim 1, feature
Be: the internal diameter that the filler places upper cabin (5) is greater than the internal diameter that filler places lower cabin (4), wherein on filler is placed
The internal diameter in cabin (5) is 2.8cm~5.8cm, is highly 1.2cm~2.4cm, and the internal diameter that filler places lower cabin (4) is 1.5cm
~2.4cm is highly 2.0cm~3.0cm.
3. a kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness according to claim 1, feature
It is: further includes cylindricality adjustment sheet (7) and annular adjustment sheet (8), the cylindricality adjustment sheet (7) in the filler holding chamber
The internal diameter of lower cabin (4) is placed for adjusting filler, the annular adjustment sheet (8) places upper cabin (5) for adjusting filler
Height.
4. a kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness according to claim 1, feature
Be: the pore size of the mouth of taking pictures (11) is 2cm~2.5cm.
5. the auxiliary device of any one on-line determination Wastewater treatment filling material biofilm thickness according to claim 1 or 4,
It is characterized by: the filler fixed cylinder (9) is internally provided with several columnar filler contact studs (10), diameter 0.25cm
~0.5cm, length are 0.2cm~0.8cm.
6. a kind of auxiliary device of on-line determination Wastewater treatment filling material biofilm thickness according to claim 1, feature
Be: the water inlet (1) is connect through wriggling pump water inlet, waste water collector (13) connection aeration with waste water collector (13)
System (12) controls the dissolved oxygen concentration of waste water；Discharge outlet (2) the connection passive emptying system of waste water (14) passes through wriggling
Pump is drained.
7. a kind of method of on-line determination Wastewater treatment filling material biofilm thickness, it is characterised in that: step are as follows:
1) target filler is sampled；
2) waste water is collected, waste water filtering is placed in waste water collector (13), controls the molten of waste water by aerating system (12)
Solve oxygen；
3) filler outer diameter and height are estimated, according to filler outer diameter and height, selects cylindricality adjustment sheet (7) and annular adjustment sheet (8)
It is put into filler holding chamber, then places filler and placed in upper cabin (5) in filler；
4) filler fixed cylinder (9) is covered and places upper cabin (5) top in filler；
5) waste water is injected by filler by peristaltic pump and places lower cabin (4)；
6) when waste water is flowed out from waste water outflow hole (6), the peristaltic pump of the passive emptying system of waste water (14) is opened, unlatching, which is taken pictures, is
System (15) is focused the filler in filler placement upper cabin (5) and takes pictures；
7) image of taking pictures is handled using PaintShop, single-point biofilm thickness is measured using line-of-sight course；
8) filler, repetitive process 3 are replaced)~7).
8. a kind of method of on-line determination Wastewater treatment filling material biofilm thickness according to claim 7, it is characterised in that:
The waste water collected in the step 2) is that 5~10, filler destination sample pond different location samples respectively, then mixes and obtains
Waste water sample, it is filtered using 8~10 μm of filter membranes；Waste water dissolved oxygen is controlled in 3~5mg/L.
9. a kind of method of on-line determination Wastewater treatment filling material biofilm thickness according to claim 7, it is characterised in that:
The flow velocity that step 5) waste water enters device is 0.5~1mL/min；The flow velocity of step 6) waste water discharging device is 1.5~2mL/
min。
10. a kind of method of on-line determination Wastewater treatment filling material biofilm thickness according to claim 7, feature exist
In: camera system (15) preferred stereomicroscope in step 6)；Step 7) line-of-sight course measure biomembrane point be 20~30 at,
Mean value is taken to obtain the thickness of biomembrane.
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