CN113149195A - Plug flow type oxygen-based biofilm reactor - Google Patents
Plug flow type oxygen-based biofilm reactor Download PDFInfo
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- CN113149195A CN113149195A CN202110510382.2A CN202110510382A CN113149195A CN 113149195 A CN113149195 A CN 113149195A CN 202110510382 A CN202110510382 A CN 202110510382A CN 113149195 A CN113149195 A CN 113149195A
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- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 title claims abstract description 53
- 239000001301 oxygen Substances 0.000 title claims abstract description 53
- 229910052760 oxygen Inorganic materials 0.000 title claims abstract description 53
- 239000012528 membrane Substances 0.000 claims abstract description 81
- 239000012510 hollow fiber Substances 0.000 claims abstract description 38
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 32
- 239000007788 liquid Substances 0.000 claims abstract description 6
- 239000011159 matrix material Substances 0.000 claims description 12
- 238000005096 rolling process Methods 0.000 claims description 12
- 239000010865 sewage Substances 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 7
- 239000012530 fluid Substances 0.000 claims description 4
- 239000000758 substrate Substances 0.000 abstract description 4
- 239000011148 porous material Substances 0.000 abstract description 3
- 239000010797 grey water Substances 0.000 description 12
- 238000000034 method Methods 0.000 description 7
- 239000003344 environmental pollutant Substances 0.000 description 6
- 231100000719 pollutant Toxicity 0.000 description 6
- 239000010802 sludge Substances 0.000 description 5
- 238000005273 aeration Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 239000007789 gas Substances 0.000 description 3
- 239000003292 glue Substances 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 2
- 239000010866 blackwater Substances 0.000 description 2
- 238000009792 diffusion process Methods 0.000 description 2
- 239000003822 epoxy resin Substances 0.000 description 2
- 229920000647 polyepoxide Polymers 0.000 description 2
- 239000004094 surface-active agent Substances 0.000 description 2
- 238000005406 washing Methods 0.000 description 2
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 1
- 239000002033 PVDF binder Substances 0.000 description 1
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000004140 cleaning Methods 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 238000011081 inoculation Methods 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000003760 magnetic stirring Methods 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000014759 maintenance of location Effects 0.000 description 1
- 244000005700 microbiome Species 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 229920002981 polyvinylidene fluoride Polymers 0.000 description 1
- 238000004080 punching Methods 0.000 description 1
- 239000008213 purified water Substances 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000003911 water pollution Methods 0.000 description 1
Images
Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/12—Activated sludge processes
- C02F3/1236—Particular type of activated sludge installations
- C02F3/1268—Membrane bioreactor systems
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/002—Grey water, e.g. from clothes washers, showers or dishwashers
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/006—Apparatus and plants for the biological treatment of water, waste water or sewage details of construction, e.g. specially adapted seals, modules, connections
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
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- Life Sciences & Earth Sciences (AREA)
- Biodiversity & Conservation Biology (AREA)
- Microbiology (AREA)
- Hydrology & Water Resources (AREA)
- Engineering & Computer Science (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Separation Using Semi-Permeable Membranes (AREA)
Abstract
The invention discloses a plug flow type oxygen substrate biofilm reactor, which comprises: the reactor comprises a reactor main body and a reactor cover, wherein the reactor main body comprises a box body and a box cover, a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the box body, the box body is hollow, an opening is formed in the top of the box body, and the box cover is detachably connected to the box body; the guide plate component comprises at least one first guide plate and at least one second guide plate, the first guide plate is vertically arranged on the bottom wall of the box body, the top wall of the first guide plate is arranged at intervals with the box cover in a covering state, and the second guide plate is vertically arranged on the bottom wall of the box cover and is arranged at intervals with the bottom wall of the box body. The reactor of the invention adopts the hollow fiber membrane, oxygen is diffused through the membrane pores, the oxygen concentration is gradually reduced from the surface of the membrane filaments to the outside, and liquid in the reactor flows horizontally in a plug-flow manner without backflow.
Description
Technical Field
The invention relates to the technical field of sewage treatment, in particular to a plug flow type oxygen-based biofilm reactor.
Background
Grey water is the main source of domestic sewage, including the drainage of bathtubs, showers, washing hands and faces and washing machines, and is the water which is used and wasted most in the world. Compared with the black water of domestic sewage, the black water of the domestic sewage has large water volume (the volume ratio is up to 50-80 percent), low pollutant load and large potential for realizing reclaimed water recycling. Under the background of limited water resource and serious water pollution, the most effective way is to separate the source of the grey water, treat and reuse the grey water efficiently.
Methods of treating grey water include physical, chemical and biological treatment methods and hybrid processes. Membrane Bioreactor (MBR) is a common biological treatment method for grey water treatment, and oxygen-based biofilm reactors are widely used in laboratories in China, such as application publication nos. CN209872500U and CN110759475A, which all describe membrane biofilm reactors, and through long-term operation practice, the membrane biofilm reactors in the above patents operate stably, but have the following problems:
an aeration mechanism is arranged in the reactor, and because the grey water contains a large amount of surfactant, a large amount of bubbles are generated during aeration treatment to cause the loss of activated sludge, so that the function of a biological treatment system is influenced, and the treatment cost is relatively high due to the higher oxygen content in the subsequent sewage;
the membrane module is connected with the reactor box body, the reactor needs to be disassembled for off-line cleaning or replacing the membrane module, the workload is large, the operation is inconvenient, the structural stability of the biological membrane on the surface of the membrane wire is easy to damage, and the stable operation of the reactor is influenced.
Disclosure of Invention
In view of the above, there is a need for a plug-flow type oxygen-based biofilm reactor, which solves the technical problem in the prior art that a large amount of bubbles are generated during the treatment of grey water by a conventional aerobic biological aeration mechanism.
In order to achieve the technical purpose, the technical scheme of the invention provides a plug flow type oxygen substrate biofilm reactor, which comprises the following components:
the reactor main body comprises a box body and a box cover, wherein a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the box body, the box body is hollow, an opening is formed in the top of the box body, and the box cover is detachably connected to the box body;
the guide plate assembly comprises at least one first guide plate and at least one second guide plate, the first guide plate is vertically arranged on the bottom wall of the box body, the top wall of the first guide plate is arranged at intervals with the box cover in a covering state, the second guide plate is vertically arranged on the bottom wall of the box cover and is arranged at intervals with the bottom wall of the box body, and any adjacent first guide plate and any adjacent second guide plate are arranged in parallel and alternately at intervals so as to form a fluid channel for liquid to flow in a plug-flow type horizontal flow in the reactor;
the hollow fiber membrane module is arranged in the fluid channel, one end of the hollow fiber membrane module is connected to the air inlet end and detachably connected to the box cover and extends out of the box cover, and the other end of the hollow fiber membrane module is connected to the air outlet end and is inserted into the box body;
the oxygen content monitoring assembly comprises at least one oxygen content detector, and the oxygen content detector is arranged in the box body;
and the moving assembly comprises at least two rolling parts, and the rolling parts are connected to the bottom of the box body.
Furthermore, the hollow fiber membrane component comprises a sleeve, a hollow fiber membrane, an air inlet pipe and an air outlet pipe, the sleeve is hollow, two ends of the sleeve are provided with openings, the hollow fiber membrane is arranged in the sleeve, the two ends of the hollow fiber membrane are communicated with gaskets, one end of the air inlet pipe is connected to one end of the sleeve and communicated with the gaskets, the other end of the air inlet pipe is detachably connected to the box cover and extends to the outside of the box cover, one end of the air outlet pipe is connected to the other end of the sleeve and communicated with the gaskets, and the other end of the air outlet pipe is detachably connected to the box cover and extends to the outside of the box cover.
Further, the case lid is seted up threaded hole, the intake pipe with the outer wall of outlet duct is provided with the external screw thread, the intake pipe with equal threaded connection of outlet duct in the case lid.
Furthermore, the number of the first guide plates is two, and the two first guide plates are arranged in the box body in parallel along the length direction of the box body at intervals and divide the box body into 3 first areas uniformly.
Furthermore, each first area is internally provided with one second guide plate which evenly divides the first area into two second areas.
Furthermore, each second area is internally provided with a hollow fiber membrane component.
Furthermore, a plurality of membrane modules are connected in series.
Furthermore, the oxygen content monitoring assembly comprises a plurality of oxygen content detectors, and an oxygen content detector is arranged in each second area.
Furthermore, the moving assembly comprises two rolling parts, and the two rolling parts are respectively arranged at two ends of the box body.
Furthermore, a sewage draining outlet is formed in the bottom of the box body.
Compared with the prior art, the invention has the beneficial effects that: the invention adopts the hollow fiber membrane, oxygen is diffused through the membrane pores, the oxygen concentration is gradually reduced from the surface of the membrane filaments to the outside, liquid in the reactor flows horizontally in a plug flow manner, the pollutant content is gradually reduced along the process, backflow is not needed, and the large-scale engineering treatment of the grey water is easy; the hollow fiber membrane module is connected with the reactor box cover and can be randomly disassembled, the membrane module can be disassembled without disassembling the reactor, the risk of damage of the membrane module is reduced, the membrane module is convenient to clean and replace off line, and the operation and maintenance of the reactor are more convenient.
Drawings
FIG. 1 is a schematic structural diagram of a plug flow oxygen matrix biofilm reactor according to an embodiment of the present invention;
FIG. 2 is a schematic diagram of the assembly of a hollow fiber membrane module in a plug-flow oxygen matrix biofilm reactor according to an example provided by the present invention;
FIG. 3 is a top view of a plug flow type oxy-mass biofilm reactor according to an embodiment of the present invention;
FIG. 4 is a schematic structural diagram of a hollow fiber membrane module in a plug-flow oxygen matrix biofilm reactor according to an example of the present invention.
Detailed Description
The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate preferred embodiments of the invention and together with the description, serve to explain the principles of the invention and not to limit the scope of the invention.
Referring to fig. 1, the invention provides a plug-flow type oxygen substrate biofilm reactor, which comprises a reactor main body 1, a guide plate assembly 2, a hollow fiber membrane assembly 3, an oxygen content monitoring assembly 4 and a moving assembly 5, wherein the reactor 1 comprises a box body 11 and a box cover 12, the box body 11 is made of organic glass (acrylic plate), the working state of the reactor can be conveniently observed, a water inlet pipe 111 and a water outlet pipe 112 are respectively arranged at two sides of the box body 11, referring to fig. 3, a threaded hole 121 is arranged on the box cover 12, the box body 11 is hollow and provided with an opening at the top, the bottom of the box body is provided with a sewage discharge outlet 113, sludge and other impurities accumulated in the box body can be conveniently discharged, the box cover 12 is connected with the box body through screws, and the box cover 12 is used for sealing the box body 11 and can be detached at any time; the baffle assembly 2 comprises a first baffle 21 and a second baffle 22, the first baffle 21 is perpendicular to the bottom wall of the box body and divides the box body 11 into two first areas 13; the second baffle 22 is arranged in parallel with the first baffle 21 and is positioned in the first area 1 and divides the first area 13 into two second areas 14; one end of the hollow fiber membrane component 3 is detachably connected to the case cover 12 and penetrates through the case cover 12 to extend outwards, and the other end is inserted into the case body 11; the oxygen content monitoring assembly 4 is arranged in the box body 11 and used for detecting the oxygen content of liquid in the box body 11 in real time, the moving assembly 5 comprises at least two rolling pieces 51, and the rolling pieces 51 are connected to the bottom of the box body 11 and are convenient to move and transport the reactor.
As a preferred embodiment, the box body 11 is a cuboid and is horizontally arranged on the ground, so that the height of the reactor can be reduced, the length of a hollow fiber membrane of a single hollow fiber membrane component 3 is shortened, gas can be effectively transferred to each position of a hollow fiber membrane filament, and the phenomenon that the normal operation of the reactor is influenced because the external water pressure of the membrane filament is higher than the internal air pressure of the membrane filament and sewage permeates into the membrane filament due to the fact that the internal air pressure of the membrane filament is too long and drops along the way is avoided.
As a preferred embodiment, the baffle assembly 2 includes two first baffles 21, the two first baffles 21 are arranged in the tank 11 in parallel and at intervals along the length direction of the tank 11 and divide the tank 11 into 3 first regions 13, and the first baffles 21 are provided with water flow channels 211 at the top of the tank 11 along the height direction of the tank 11; each first area 13 is provided with a second guide plate 22 and divides the first area 13 into two second areas 14, the second guide plate 22 is parallel to the first guide plate 21 and is provided with a water flow channel 221 at the bottom of the box body along the height direction of the box body 11, the water flow channels 211 of the two first guide plates 21 and the water flow channels 221 of the 3 second guide plates 22 are arranged in a staggered manner, so that water flows in the box body in an S shape.
Referring to fig. 2 and 4, as a preferred embodiment, the number of the hollow fiber membrane modules 3 is plural, each hollow fiber membrane module 3 includes a sleeve 31, a hollow fiber membrane 32, an air inlet pipe 33 and an air outlet pipe 34, the sleeve 31 is made of PVE, the air inlet pipe 33 and the air outlet pipe 34 are provided with external threads corresponding to the cover threaded hole 121, the sleeve 31 is hollow and has openings at two ends, the hollow fiber membrane 32 is disposed in the sleeve 31 and has gaskets at two ends, one end of the air inlet pipe 33 is detachably sleeved on the gasket and the other end is detachably threaded on the cover 13 and passes through the cover 13 to extend outwards and communicate with an external oxygen supply device, one end of the air outlet pipe 34 is detachably sleeved on the gasket at the other end of the sleeve 31 and has a detachable threaded connection to the cover 12 and passes through the cover 12 to extend outwards, each second region 14 is provided with a hollow fiber membrane module 3, the plurality of membrane components 3 are connected in series, namely the air outlet pipe 34 of each hollow fiber membrane component is connected with the air inlet pipe 33 of the next hollow fiber membrane component, so that the air supply pressure of air is reduced on the basis of not increasing the total length of the hollow fiber membrane, the surfaces of membrane filaments are fully contacted with sewage, and the formation of an aerobic-anoxic-anaerobic multifunctional dynamic biological membrane is facilitated.
In a preferred embodiment, the oxygen content monitoring assembly 4 comprises a plurality of oxygen content detectors 41, each of the second zones 14 is provided with an oxygen content detector 41, the oxygen content of the liquid flowing through each of the second zones 14 can be monitored in real time, and the operation state of the aerobic-anoxic-anaerobic multifunctional dynamic biological membrane can be monitored.
As a preferred embodiment, the moving assembly 5 comprises two rolling members 51 respectively disposed at two ends of the box body, the rolling members comprise a connecting rod and two rollers, the connecting rod is connected to the bottom of the box body, the two rollers are rotatably connected to the connecting rod, and the reactor can be moved as required.
The present invention provides an embodiment wherein the length, width and height of the tank are 20cm x 10cm x 8.5cm, respectively, the effective volume is 1.6L, the treated water amount is 5.12L/d, COD is 506 + -9 mg/L, the concentration of sodium dodecylbenzenesulfonate (LAS) is 157 + -3 mg/L, the concentration of Total Nitrogen (TN) is 12.5 + -0.4 mg/L, the pH of the influent water is 7.01 + -0.02, holes are punched at the middle position of the reactor tank cover 1.5cm away from both sides of the reactor tank, short pipes are welded, respectively a water inlet on the left side wall and an overflow outlet on the right side wall, then 5 guide plates are provided inside the reactor tank, respectively two first guide plates and three second guide plates, the two first guide plates are respectively located 7cm away from the left and right side walls of the reactor tank, and are fixedly connected to the bottom wall of the reactor tank and the front and rear side walls of the reactor tank, a channel of 3cm is reserved between the upper wall of the reactor and the upper wall of the reactor; three second guide plates are respectively positioned at the positions 4cm away from the left side wall and the right side wall of the reactor box body and at the middle position of the reactor box body, are fixedly connected with the upper wall of the reactor box body and the front side wall and the rear side wall of the box body, and are provided with a 1.5cm channel which is used for punching 6 threaded holes with the diameter of 0.4cm at the specific position of the reactor box cover for installing a membrane module; the bottom of the box body is provided with the roller, so that the reactor is convenient to move;
the hollow fiber membrane adopts membrane filaments with the outer diameter of 0.125cm, the inner diameter of 0.1cm and the membrane aperture of 0.02 mu m, the single membrane component has 216 hollow fiber membrane filaments in total, the length of the membrane filaments is 7.5cm, 6 membrane components are arranged in the reactor, the total effective membrane area is 0.3817m2The two ends of the membrane wire are bonded into a bundle by strong glue, sleeved in a sleeve made of PVC and bonded by epoxy resin glue, so that the hollow fiber membrane wire is firmly bonded with the PVC sleeve without gaps, the two ends of the PVC sleeve are respectively bonded with an air inlet pipe and an air outlet pipe with gaskets by the epoxy resin glue, so that the bonding is firm without gaps, and finally the PVC sleeve is connected to a box cover through the external threads of the air inlet pipe and the air outlet pipe;
air is fully introduced into all membrane modules, the air supply pressure is 1.4psi, the reactor is inoculated with the residual sludge in the secondary sedimentation tank of the municipal sewage plant, the inoculation amount is 25ml (MLSS is 5800mg/L), the sludge is inoculated into the reactor, then the sewage containing the inoculated sludge is circulated in the reactor for 2d by a magnetic stirring method, so that a primary biomembrane is formed on the surface of the hollow fiber membrane wire, the use of the magnetic stirrer is stopped, the reactor enters the continuous flow operation stage, the hydraulic retention time is maintained at 7.58h, after 20d operation, the COD of the effluent is 29 +/-5 mg/L, the LAS is 0.8 +/-0.3 mg/L, the TN is 2.5 +/-0.2 mg/L, the pH is stabilized within 7.1-7.3, and the DO concentration in the reactor is controlled within 0.3-0.6 mg/L.
The working principle of the embodiment provided by the invention is as follows: when the reactor is operated, the assembled reactor is connected with grey water through a water inlet pump, a water inlet 111 of a reactor box body 11 is connected to a water outlet of a water pump, the grey water with high content of pollutants such as a surfactant is powered by the water inlet pump and enters the reactor box body 11, polluted water flows through 6 second areas 14 and the surface of a membrane assembly in an S shape under the guiding action of a first guide plate 21 and a second guide plate 22, the pollutants in the polluted water are assimilated and utilized or degraded by microorganisms along the process, air enters the PVDF nonporous hollow membrane filaments through a gas pipeline under a certain pressure and diffuses to the outside of the membrane filaments through membrane holes on the surface of the membrane filaments in a non-bubble diffusion mode, oxygen is used as an initial energy source and an inorganic oxygen donor and is attached to the biomembrane on the surface of the membrane filaments, the oxygen diffuses from the inside of the biomembrane to the outside after diffusing through the membrane holes and diffuses from the inside of the biomembrane at the same time, pollutants in the water diffuse from the outside of the biomembrane to the inside, the reverse diffusion can improve the utilization rate of gas and substrate, oxygen is transported from the top to the bottom, the oxygen concentration is reduced from top to bottom in sequence, meanwhile, the oxygen is diffused through membrane pores, the oxygen concentration is gradually reduced from the surface of the membrane filaments to the outside, and O is adjusted2Partial pressure can realize the formation of an aerobic-anoxic-anaerobic multifunctional dynamic biological membrane, and lower oxygen supply can be selected2The grey water enters from the water inlet and sequentially flows into the 6 second areas 14 in a plug flow mode, pollutants in the grey water are gradually reduced along the way, and the purified water overflows from the overflow water outlet and is discharged after reaching the standard without backflow.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any changes or substitutions that can be easily conceived by those skilled in the art within the technical scope of the present invention are included in the scope of the present invention.
Claims (10)
1. A plug flow type oxygenate biofilm reactor, comprising:
the reactor main body comprises a box body and a box cover, wherein a water inlet pipe and a water outlet pipe are respectively arranged on two sides of the box body, the box body is hollow, an opening is formed in the top of the box body, and the box cover is detachably connected to the box body;
the guide plate assembly comprises at least one first guide plate and at least one second guide plate, the first guide plate is vertically arranged on the bottom wall of the box body, the top wall of the first guide plate is arranged at intervals with the box cover in a covering state, the second guide plate is vertically arranged on the bottom wall of the box cover and is arranged at intervals with the bottom wall of the box body, and any adjacent first guide plate and any adjacent second guide plate are arranged in parallel and alternately at intervals so as to form a fluid channel for liquid to flow in a plug-flow type horizontal flow in the reactor;
the hollow fiber membrane module is arranged in the fluid channel, one end of the hollow fiber membrane module is connected to the air inlet end and detachably connected to the box cover and extends out of the box cover, and the other end of the hollow fiber membrane module is connected to the air outlet end and is inserted into the box body;
the oxygen content monitoring assembly comprises at least one oxygen content detector, and the oxygen content detector is arranged in the box body;
and the moving assembly comprises at least two rolling parts, and the rolling parts are connected to the bottom of the box body.
2. The plug flow oxygen matrix biofilm reactor of claim 1, wherein: the hollow fiber membrane component comprises a sleeve, a hollow fiber membrane, an air inlet pipe and an air outlet pipe, wherein the sleeve is hollow, openings are formed in the two ends of the sleeve, the hollow fiber membrane is arranged in the sleeve, the two ends of the hollow fiber membrane are communicated with gaskets, one end of the air inlet pipe is connected to one end of the sleeve and communicated with the gaskets, the other end of the air inlet pipe is detachably connected to the box cover and extends to the outside of the box cover, one end of the air outlet pipe is connected to the other end of the sleeve and communicated with the gaskets, and the other end of the air outlet pipe is detachably connected to the box cover and extends to the outside of the box cover.
3. The plug flow oxygen matrix biofilm reactor of claim 2, wherein: the case lid is seted up threaded hole, the intake pipe with the outer wall of outlet duct is provided with the external screw thread, the intake pipe with the equal threaded connection of outlet duct in the case lid.
4. The plug flow oxygen matrix biofilm reactor of claim 1, wherein: the number of the first guide plates is two, and the two first guide plates are arranged in the box body in parallel along the length direction of the box body at intervals and divide the box body into 3 first areas uniformly.
5. The plug flow oxygen matrix biofilm reactor of claim 4, wherein: each first area is internally provided with one second guide plate which evenly divides the first area into two second areas.
6. The plug flow oxygen matrix biofilm reactor of claim 5, wherein: each second area is internally provided with a hollow fiber membrane component.
7. The plug flow oxygen matrix biofilm reactor of claim 6, wherein: and a plurality of membrane modules are connected in series.
8. The plug flow oxygen matrix biofilm reactor of claim 5, wherein: the oxygen content monitoring assembly comprises a plurality of oxygen content detectors, and each second area is internally provided with an oxygen content detector.
9. The plug flow oxygen matrix biofilm reactor of claim 1, wherein: the moving assembly comprises two rolling parts, and the two rolling parts are respectively arranged at two ends of the box body.
10. The plug flow oxygen matrix biofilm reactor of claim 1, wherein: and a sewage draining outlet is formed in the bottom of the box body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110510382.2A CN113149195A (en) | 2021-05-11 | 2021-05-11 | Plug flow type oxygen-based biofilm reactor |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110510382.2A CN113149195A (en) | 2021-05-11 | 2021-05-11 | Plug flow type oxygen-based biofilm reactor |
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| CN113149195A true CN113149195A (en) | 2021-07-23 |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771588A (en) * | 2013-12-18 | 2014-05-07 | 同济大学 | Reverse-flow type horizontal flow hydrogen substrate bio-membrane reactor based on carbon dioxide as carbon source |
| CN209178090U (en) * | 2018-06-26 | 2019-07-30 | 环境保护部华南环境科学研究所 | A kind of anchoring type polluted water body purified in situ processing unit |
| CN215479998U (en) * | 2021-05-11 | 2022-01-11 | 华中农业大学 | Plug flow type oxygen-based biofilm reactor |
-
2021
- 2021-05-11 CN CN202110510382.2A patent/CN113149195A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103771588A (en) * | 2013-12-18 | 2014-05-07 | 同济大学 | Reverse-flow type horizontal flow hydrogen substrate bio-membrane reactor based on carbon dioxide as carbon source |
| CN209178090U (en) * | 2018-06-26 | 2019-07-30 | 环境保护部华南环境科学研究所 | A kind of anchoring type polluted water body purified in situ processing unit |
| CN215479998U (en) * | 2021-05-11 | 2022-01-11 | 华中农业大学 | Plug flow type oxygen-based biofilm reactor |
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