CN206057241U - A kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device - Google Patents
A kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device Download PDFInfo
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- CN206057241U CN206057241U CN201621057688.8U CN201621057688U CN206057241U CN 206057241 U CN206057241 U CN 206057241U CN 201621057688 U CN201621057688 U CN 201621057688U CN 206057241 U CN206057241 U CN 206057241U
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- filter material
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- consumption rate
- dissolved oxygen
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Abstract
This utility model is related to water-treatment technology field, more particularly to a kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device, including reactor, dissolved oxygen sensor, pH sensors, aerator and control system, the bottom of reactor is provided with filter material layer, dissolved oxygen sensor includes dissolved oxygen controller and dissolved oxygen sensor probe, pH sensors are provided with pH probes, aerator includes aeration head and aerator, dissolved oxygen sensor probe, pH pops one's head in and aeration head is stretched in reactor and positioned at the top of filter material layer, dissolved oxygen sensor, pH sensors and aerator are electrically connected with control system.Biomembrane oxygen consumption rate assay device structures of the present utility model are simple, low manufacture cost, easy to operate, stable, flexible and convenient to use；Microorganism and can be fully contacted with dissolved oxygen in reactor, to the rapid and accurate determination that carries out of biomembrane oxygen consumption rate, and multiple water treatment filtrate can be applied to, use range is wide.
Description
Technical field
This utility model is related to water-treatment technology field, more particularly to a kind of biomembrane oxygen consumption for being applied to water treatment filter material
Rate determination device.
Background technology
Biofilter be it is a kind of filling rubble or plastic etc. as the biological treatment structures of filtrate, be mainly used in
Sewage disposal.The filtrate in biofilter will be arranged at, as biomembranous carrier, ammonia nitrogen in sewage, nitrite nitrogen and other
The removal of organic pollution depends on the biological membrane degradation for being attached to filter material surface.Sewage flows through filler with certain flow velocity
With biofilm contact, sewage is purified using the synergy of microorganism in biomembrane and suspended active sludge.
The oxygen consumption rate of filtrate or filler（OUR）It is to characterize one of important parameter of biomembrane activity, from microbial respiratory
Speed angle reflects biomembrane physiological statuss and matrix metabolism situation.There is scholar early stage using the breathing rate of microorganism to examine
The microbial biomass and substrate utilization ratio of activated sludge are examined, in recent years specific oxygen utilization rate（SOUR）As detection sludge organism activity
Parameter, by the most attention of domestic and international expert.Therefore, the detection technique of filtrate or carrier biofilm oxygen consumption rate is studied, it is right
The operation control of analysis, evaluation and prognoses system operation conditions and disposal ability, reinforcing and raising biological treatment system has
Important meaning.
At present, microorganism oxygen consumption rate measure device is widely used in sewage treatment area, a large amount of aerobic in measure sludge
Microorganism oxygen consumption rate, and the existing device for determining microorganism oxygen consumption rate in sludge is applied to determine filtrate or particulate filler
There is during oxygen consumption rate larger limitation.First, the relative density of filtrate or particulate filler is often larger, is difficult to hang in water
It is floating, it is difficult to be fully contacted with the nutrient and dissolved oxygen in water；More than second, it is desirable to which in filtrate or particulate filler, micro organism quantity,
DO can just be made（Dissolved oxygen）Reduce according to certain speed, and micro organism quantity be relatively fewer in the filtrate of Water purification process,
The requirement more than micro organism quantity cannot be met；3rd, it is desirable to which the microorganism in DO and filtrate is fully contacted, need to be sufficiently stirred for shape
Into the water-power environment of turbulent flow, as in the filtrate of Water purification process, microorganism is apposition growth, filtrate self gravitation causes filter
Material deposition, it is impossible to form the hydraulics that microorganism is fully contacted with DO；4th, it is difficult to while realizing more than micro organism quantity and DO
The condition being fully contacted with microorganism, if the amount for increasing filtrate increases Biomass, it is necessary to increase mixing speed, can cause
Oxygen in air is dissolved in water, and in water, filtrate is difficult to avoid that the problem collided with dissolved oxygen sensor, and this will cause to survey
Amount result is inaccurate.
The content of the invention
Technical problem to be solved in the utility model is to provide a kind of biomembrane oxygen consumption speed for being applied to water treatment filter material
Rate determines device, and the biomembrane oxygen consumption rate assay device structures are simple, stable, low cost, can rapid and accurate determination filter
Material biomembrane oxygen consumption rate.
For achieving the above object, the technical solution adopted in the utility model is as follows.
It is a kind of be applied to water treatment filter material biomembrane oxygen consumption rate determine device, including reactor, dissolved oxygen sensor,
PH sensors, aerator and control system, the bottom of reactor are provided with filter material layer, and dissolved oxygen sensor is provided with dissolving
Oxygen sensor probe, pH sensors are provided with pH probes, and aerator includes aeration head and aerator, dissolved oxygen sensor probe, pH
Probe and aeration head are stretched in reactor and positioned at the top of filter material layer, dissolved oxygen sensor, pH sensors and aerator
Electrically connect with control system.
Wherein, the bottom of the reactor offers bypass outlet, and the side wall of reactor offers reflux inlet, flows back out
Mouth is located at the lower section of filter material layer, and reflux inlet is located at the top of filter material layer, return duct is provided between bypass outlet and reflux inlet,
Return duct is connected with suction filter pump.
Wherein, the biomembrane oxygen consumption rate determines device also includes agitator, and agitator is stretched in reactor and is located at
The top of filter material layer, agitator are electrically connected with control system.
Wherein, the control system is connected with display and message processing device.
Wherein, the bottom of the reactor is in infundibulate.
Wherein, the bypass outlet is opened in the point of reactor bottom.
Wherein, the reactor is lucite reactor.
Wherein, aeration control device is provided between the aeration head and aerator.
Wherein, the dissolved oxygen sensor probe includes housing, anode, negative electrode, temperature sensing device and electrolyte liquor chamber, shell
Cylinder of the body in inner hollow, the inner chamber of housing are provided with sealing plate, and sealing plate is divided into upper cavity part and cavity of resorption by housing cavity
Portion, is provided with circuit board in upper cavity part, electrolyte liquor chamber is arranged at lower cavity part, and anode, negative electrode and temperature sensing device may be contained within
In electrolyte liquor chamber, the bottom in electrolyte liquor chamber is provided with oxygen permeation membrane；The top of housing is connected with dissolved oxygen controller by cable,
The bottom of housing is removably connected with protective cover, and the bottom of protective cover is network structure, and oxygen permeation membrane is positioned at cancellated top.
Wherein, the dissolved oxygen sensor probe is additionally provided with cleaning assembly, and cleaning assembly includes rotating shaft, blade and cleaning
Block, rotating shaft pass vertically through cancellated middle part, and the upper end of rotating shaft is connected with one end of purge block, and lower end and the paddle of rotating shaft connect
Connect, the upper surface of purge block is abutted with the lower surface of oxygen permeation membrane.
The beneficial effects of the utility model are：Biomembrane oxygen consumption rate assay device structures of the present utility model are simple,
It is low manufacture cost, easy to operate, it is stable, it is flexible and convenient to use；Microorganism and can be fully contacted with dissolved oxygen in reactor,
To the rapid and accurate determination that carries out of biomembrane oxygen consumption rate, and multiple water treatment filtrate can be applied to, use range is wide.
Description of the drawings
Utility model is described further using accompanying drawing, but the embodiment in accompanying drawing is not constituted to of the present utility model
What limits, for one of ordinary skill in the art, on the premise of not paying creative work, can be with according to the following drawings
Obtain other accompanying drawings.
Fig. 1 is the overall structure diagram that this utility model biomembrane oxygen consumption rate determines device.
Fig. 2 is the profile of this utility model dissolved oxygen sensor probe.
Reference includes：
1- reactor 11- bypass outlet 12- reflux inlet 13- filter material layers
2- dissolved oxygen sensor 21- dissolved oxygen sensor probe 211- housing 212- circuit boards
213- sealing plate 214- protective cover 215- anode 216- negative electrodes
217- oxygen permeation membrane 218- purge block 219- rotating shaft 220- blades
3- pH sensor 4- aerator 41- aeration head 42- aerators
5- control systems 6- show and message processing device 7- suction filter pumps
8- return duct 9- agitators.
Specific embodiment
Below in conjunction with the accompanying drawings this utility model is further described, accompanying drawing 1-2 is seen.
As shown in figure 1, a kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device, including it is reactor 1, molten
Solution oxygen sensor 2, pH sensors 3, aerator 4 and control system 5, the bottom of reactor 1 are provided with filter material layer 13, dissolve
Oxygen sensor 2 is provided with dissolved oxygen sensor probe 21, and pH sensors 3 are provided with pH probes, and aerator 4 includes 41 He of aeration head
Aerator 42, dissolved oxygen sensor probe 21, pH probe and aeration head 41 are stretched in reactor 1 and positioned at the upper of filter material layer 13
Side, dissolved oxygen sensor 2, pH sensors 3 and aerator 42 are electrically connected with control system 5.
1., as shown in figure 1, the bottom of the reactor 1 offers bypass outlet 11, the side wall of reactor 1 offers backflow
Entrance 12, bypass outlet 11 are located at the lower section of filter material layer 13, and reflux inlet 12 is located at the top of filter material layer 13, bypass outlet 11 with
Return duct 8 is provided between reflux inlet 12, return duct 8 is connected with suction filter pump 7.Microorganism and oxygen in water in reactor 1
After being fully contacted, in the presence of gravity and suction filter pump 7, filter material layer 13 of the water sample through 1 bottom of reactor, from bypass outlet
11 flow out, and are subsequently returned Jing reflux inlets 12 by suction filter pump 7 and form closed circuit into reactor 1.Bypass outlet 11 is located at anti-
The bottom of device 1 is answered to flow back for liquid.
As shown in figure 1, the biomembrane oxygen consumption rate determines device also includes agitator 9, agitator 9 stretches into reactor 1
Interior and in the top of filter material layer 13, water after filter and reactor 1 agitator 9 is electrically connected with control system 5.The control system
System 5 is connected with display and message processing device 6.Show and message processing device 6 has real time record function.Agitator 9 is stirred
Mix oar and stretch into below liquid level, the water after filter and the reaction that enter in reactor 1 can be promoted from reflux inlet 12 by the stirring of agitator 9
Original water mix homogeneously in device 1.
In the present embodiment, filtrate, water and substrate are added in the reactor 1 under the swabbing action of gravity and suction filter pump 7,
The filter material layer 13 of water and substrate through 1 bottom of reactor, through substrate during filter material layer 13 and dissolved oxygen be attached to filter
Biomembrane on material is fully contacted, aerobic microbiological matrix degradation under conditions of dissolved oxygen abundance, while consuming molten in water
Solution oxygen, through after filter material layer 13, oxygen in water and substrate concentration have declined, and subsequent water after filter is returned to anti-by suction filter pump 7
In answering device 1, and the rapid mix homogeneously in the presence of stirring, therefore the dissolved oxygen in water occurs declining, continuous with water sample
Circulating filtration, its dissolved oxygen are also constantly declining, and pH probes and aeration head 41 stretch into below the liquid level in reactor 1, control
With the change of observation pH value, and the oxygen consumption rate that the change of oxygen in water draws filtrate biomembrane matrix degradation is determined.
Wherein, the filtrate that the filter material layer 13 is adopted for quartz sand, manganese sand, haydite, activated carbon, anthracite, plastic,
At least one in rubble, coke.Biomembrane oxygen consumption rate determines device and is applicable to multiple water treatment filtrate, particularly close
The rapid and accurate determination of filtrate attached biological film oxygen consumption rate that is larger, in water being difficult to suspend is spent, use range is wide.
As shown in figure 1, the bottom of the reactor 1 is in infundibulate.What is be distributed in advance and conflux is risen to the water sample through filtrate
Effect.In the present embodiment, the bypass outlet 11 is opened in the point of 1 bottom of reactor, can conflux after passing water through filtrate
To point, it is back in reactor 1 by bypass outlet 11.
In the present embodiment, the reactor 1 is lucite reactor.The high mechanical strength of lucite reactor, tool
There is preferable heat-resisting tolerance to cold, corrosion-resistant, insulating properties are good, dimensionally stable.
In the present embodiment, aeration control device between the aeration head 41 and aerator 42, is provided with.Can be to entering aeration
The gas flow of device 4 is adjusted, and adjusts the oxygenation capacity in water according to practical situation.
In the present embodiment, the thickness of the filter material layer 13 is 3-5cm.The distance from top liquid level 5-8cm of the filter material layer 13.
By the setting to 13 thickness of filter material layer and position, can make water sample through during filter material layer 13 be attached on filtrate
Biomembrane is fully contacted, and is biodegradable the pollutant in water sample, while cost is not high.
As shown in Fig. 2 the dissolved oxygen sensor probe 21 includes housing 211, anode 215, negative electrode 216, temperature sense dress
Put（It is not shown）And electrolyte liquor chamber, cylinder of the housing 211 in inner hollow, the inner chamber of housing 211 are provided with sealing plate
213,211 inner chamber of housing is divided into upper cavity part and lower cavity part by sealing plate 213, and circuit board 212, electrolyte liquor chamber are provided with upper cavity part
Lower cavity part is arranged at, anode 215, negative electrode 216 and temperature sensing device are may be contained within electrolyte liquor chamber, the bottom in electrolyte liquor chamber
It is provided with oxygen permeation membrane 217；The top of housing 211 is connected with dissolved oxygen controller by cable, and the bottom of housing 211 detachably connects
Protective cover 214 is connected to, the bottom of protective cover 214 is network structure, and oxygen permeation membrane 217 is positioned at cancellated top.
Anode 215, negative electrode 216 and temperature sensing device are connected by the electric wire and circuit board 212 through sealing plate 213
Connect.Monitoring can fast and accurately be implemented in dissolved oxygen sensor of the present utility model 2 to dissolved oxygen in water sample, performance is steady
It is fixed, and built-in temperature induction installation, temperature can be corrected automatically, be improved accuracy in detection.
As shown in Fig. 2 the dissolved oxygen sensor probe 21 is additionally provided with cleaning assembly, cleaning assembly includes rotating shaft 219, oar
Leaf 220 and purge block 218, rotating shaft 219 pass vertically through cancellated middle part, the upper end of rotating shaft 219 and one end of purge block 218
Connection, the lower end of rotating shaft 219 are connected with paddle 220, and the upper surface of purge block 218 is abutted with the lower surface of oxygen permeation membrane 217.In water
In the presence of stream, blade 220 is rotated, and so as to drive purge block 218 to rotate around rotating shaft 219, oxygen permeation membrane 217 can be cleaned,
To remove the impurity for being attached to oxygen permeation membrane 217, and detection of the dissolved oxygen sensor 2 to dissolved oxygen is not interrupted, it is ensured that dissolved oxygen is passed
The long-term normal work of sensor 2.
During dissolved oxygen sensor 2 works, the oxygen molecule in fluid to be measured is diffused on negative electrode 216 by oxygen permeation membrane 217,
Oxygen molecule is reduced into hydroxide ion by the polarizing voltage being applied on negative electrode 216, and then is produced between negative electrode 216, anode 215
Raw electric current, the analysis of electric current Jing dissolved oxygen sensors 2 are detected, and its speed for reaching negative electrode to oxygen molecule is directly proportional, and
Finally it is directly proportional to the concentration of dissolved oxygen in fluid to be measured.
Using method of the present utility model is illustrated with concrete application example below：
Before biomembrane oxygen consumption rate determines device measure, measurement of correlation parameter need to be preset by control system 5, be set
Show and message processing device 6 records a dissolved oxygen numerical value at regular intervals, dissolved oxygen and pH can go out in measurement process
Now drop, control system 5 can control dissolved oxygen in the range of 3-6 mg/L, by Deca NaCO3Solution controls pH in 7-
8.Those skilled in the art can add different materials according to actual needs, and set dissolved oxygen concentration and pH.
When this utility model is used, take filtrate and load to 1 bottom of reactor, form filter material layer 13, and add deionized water
Filter material layer 13 is flooded, starts agitator 9 and suction filter pump 7, reaction system is not added with any substrate, and microorganism is attached to filtrate and is formed
Biomembrane, now in microbial consumption body, the material of storage carries out endogenous respiration, shows and the record dissolved oxygen of message processing device 6
Change in value, carries out the measure of endogenous respiration.
After endogenous respiration is measured, the initial TOC of glucose solution adjustment reaction system is added（Total organic carbon）Concentration, with
Aerobic heterotrophic bacteria consumes dissolved oxygen while degradation of organic substances afterwards, now carries out the measure of heterotrophic bacteria breathing rate；Heterotrophism
After bacterium breathing rate is measured, add sodium nitrite solution, the sodium nitrite in water filter when be attached to the micro- of filtrate
Biology is fully contacted, and microorganism forms biomembrane in filter material surface, and nitrite bacteria absorbs and degrade sodium nitrite, while consuming
Dissolved oxygen in water, now carries out the measure of NOB oxygen consumption rate.
When this utility model is used, also NH can be added after endogenous respiration is measured4At the beginning of Cl solution adjustment reaction system
Beginning ammonia nitrogen concentration, the ammonia nitrogen in water are fully contacted with the microorganism for adhering to filtrate when filtering, and nitrobacteria absorbs and degrade ammonia
Nitrogen, while consuming the dissolved oxygen in water, now carries out the measure of nitrobacteria breathing rate.
When this utility model calculates biomembrane oxygen consumption rate, DO-t curves are made（Dissolved oxygen concentration-time graph）, while
The quality of filtrate is determined, and according to DO-t curves and filtrate quality, OUR is calculated by following equation:
In formula, OUR：The oxygen amount that Unit Weight filtrate was utilized within the unit interval, mg (O2)/(g (MLSS) min)；DO：
Dissolved oxygen concentration, mg/L；t：Time of measuring, min；G：Filtrate weight, g in reactor 1.
Finally it should be noted that above example is only illustrating the technical solution of the utility model, rather than to this reality
With the restriction of novel protected scope, although having made to explain to this utility model with reference to preferred embodiment, this area it is general
It is logical it will be appreciated by the skilled person that can modify to the technical solution of the utility model or equivalent, without deviating from this
The spirit and scope of utility model technical scheme.
Claims (10)
1. a kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device, it is characterised in that：Including reactor, dissolving
Oxygen sensor, pH sensors, aerator and control system, the bottom of reactor are provided with filter material layer, dissolved oxygen sensor
Including dissolved oxygen controller and dissolved oxygen sensor probe, pH sensors are provided with pH probes, and aerator includes aeration head and drum
Blower fan, dissolved oxygen sensor probe, pH probes and aeration head are stretched in reactor and positioned at the top of filter material layer, dissolved oxygen sensing
Device, pH sensors and aerator are electrically connected with control system.
2. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
The bottom of reactor offers bypass outlet, and the side wall of reactor offers reflux inlet, and bypass outlet is located under filter material layer
Side, reflux inlet are located at the top of filter material layer, and return duct is provided between bypass outlet and reflux inlet, and return duct is connected with sucking filtration
Pump.
3. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
Biomembrane oxygen consumption rate determines device also includes agitator, and agitator is stretched in reactor and positioned at the top of filter material layer, stirring
Device is electrically connected with control system.
4. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
Control system is connected with display and message processing device.
5. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 2 determines device, it is characterised in that：
The bottom of reactor is in infundibulate.
6. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 5 determines device, it is characterised in that：
Bypass outlet is opened in the point of reactor bottom.
7. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
Reactor is lucite reactor.
8. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
Aeration control device is provided between aeration head and aerator.
9. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 1 determines device, it is characterised in that：
Dissolved oxygen sensor probe includes housing, anode, negative electrode, temperature sensing device and electrolyte liquor chamber, circle of the housing in inner hollow
Cylinder, the inner chamber of housing are provided with sealing plate, and sealing plate is divided into upper cavity part and lower cavity part by housing cavity, is provided with upper cavity part
Circuit board, electrolyte liquor chamber are arranged at lower cavity part, and anode, negative electrode and temperature sensing device are may be contained within electrolyte liquor chamber, electrolyte
Indoor bottom is provided with oxygen permeation membrane；The top of housing is connected with dissolved oxygen controller by cable, and the bottom of housing is detachable
Protective cover is connected with, the bottom of protective cover is network structure, and oxygen permeation membrane is positioned at cancellated top.
10. the biomembrane oxygen consumption rate for being applied to water treatment filter material according to claim 9 determines device, and its feature exists
In：The lower end of dissolved oxygen sensor probe is provided with cleaning assembly, and cleaning assembly includes rotating shaft, blade and purge block, and rotating shaft is vertical
Through cancellated middle part, the upper end of rotating shaft is connected with one end of purge block, and the lower end of rotating shaft is connected with paddle, purge block
Upper surface is abutted with the lower surface of oxygen permeation membrane.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621057688.8U CN206057241U (en) | 2016-09-18 | 2016-09-18 | A kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201621057688.8U CN206057241U (en) | 2016-09-18 | 2016-09-18 | A kind of biomembrane oxygen consumption rate for being applied to water treatment filter material determines device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610788A (en) * | 2017-09-28 | 2018-01-19 | 岭东核电有限公司 | Solid oxygen control device |
| CN108956922A (en) * | 2018-08-02 | 2018-12-07 | 三峡大学 | Monitor the device of water body methane wear rate |
| CN111484125A (en) * | 2020-04-21 | 2020-08-04 | 青岛理工大学 | Method and system for detecting content of active microorganisms in biological membrane of MBBR (moving bed biofilm reactor) system |
-
2016
- 2016-09-18 CN CN201621057688.8U patent/CN206057241U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107610788A (en) * | 2017-09-28 | 2018-01-19 | 岭东核电有限公司 | Solid oxygen control device |
| CN108956922A (en) * | 2018-08-02 | 2018-12-07 | 三峡大学 | Monitor the device of water body methane wear rate |
| CN108956922B (en) * | 2018-08-02 | 2019-05-28 | 三峡大学 | Monitor the device of water body methane wear rate |
| CN111484125A (en) * | 2020-04-21 | 2020-08-04 | 青岛理工大学 | Method and system for detecting content of active microorganisms in biological membrane of MBBR (moving bed biofilm reactor) system |
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| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of utility model: Biomembrane of being applied to water treatment filter material consumes oxygen speed survey device Effective date of registration: 20200219 Granted publication date: 20170329 Pledgee: China Co truction Bank Corp Dongguan branch Pledgor: Dongguan Dongjiang Shuiwu Co., Ltd. Registration number: Y2020980000276 |
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| CP03 | "change of name, title or address" | ||
| CP03 | "change of name, title or address" |
Address after: No. 141, Guanlong Road, Guancheng street, Dongguan City, Guangdong Province, 523000 Patentee after: Dongguan water group water supply Co.,Ltd. Address before: 523112 Dongjiang Water Co., Ltd., 141 Guanlong Road, Guancheng District, Dongguan City, Guangdong Province Patentee before: DONGGUAN DONGJIANG WATER Co.,Ltd. |