CN207958059U - Confined space sewage disposal system - Google Patents
Confined space sewage disposal system Download PDFInfo
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- CN207958059U CN207958059U CN201721694751.3U CN201721694751U CN207958059U CN 207958059 U CN207958059 U CN 207958059U CN 201721694751 U CN201721694751 U CN 201721694751U CN 207958059 U CN207958059 U CN 207958059U
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Abstract
A kind of confined space sewage disposal system, the system comprises pretreatment units, hydrolyze membrane bioreactor, aerobic membrane bioreactor, disinfection unit, gas purification units and aeration unit, preprocessed unit is filtered and the sewage after the adjusting of amount homogeneous is delivered in hydrolysis membrane bioreactor and aerobic membrane bioreactor and handles successively, it will hydrolyze in the gas access aerobic membrane bioreactor generated in membrane bioreactor, and the sludge circulation between cycle of operation periodic adjustment hydrolysis membrane bioreactor and aerobic membrane bioreactor, it is discharged after carrying out disinfection to the water outlet of aerobic membrane bioreactor, to being discharged after the gas absorption processing of aerobic membrane bioreactor discharge.The system can efficiently remove organic pollution and ammonia nitrogen in sewage, and discharge gas amount is small, excess sludge yield is extremely low, and high confined space is required suitable for narrow space and comprehensive discharge.
Description
Technical field
The utility model belongs to sewage disposal and resource technology field, more particularly to a kind of confined space sewage disposal system
System.
Background technology
The movable confined space of someone, such as the vessel cabin of relative closure, the manned space flight closed system that is isolated from the outside
Due to the particularity of its own, it usually needs carry out treatment in situ to the sewage generated in space and recycle, and is right
The discharge of by-product and the consumption of various substances also have stringent limitation in sewage disposal process.
Current medium-term and long-term human spaceflight operation is all made of materialization technology to realize the processing and regeneration of waste water, will such as wrap
Include the urine water reclamation system of the units such as urine separation, chemical pretreatment, normal pressure membrane distillation and absorption/catalysis (concentrate)
(System for water reclamation from urine, SWR-U) is applied to Mir space station, recycle altogether
6000kg water realizes the 80% water rate of recovery；For another example the U.S. uses both vapor compression distilling apparatus to urine on international space station
Liquid is handled, and distillate enters waste water treatment system (by rotary gas separator, particulate filter, multi-medium filtering bed
And catalyst oxidation reactor etc.) in merge with other waste water and handled, qualification water outlet is made as occupant's drinking water and electrolysis
Oxygen water ends on March 27th, 2016, and common property goes out about 26090kg water purifications.
In conclusion be all at present physico-chemical process applied to the sewage treatment process of space station, to urine waste water and
Sanitary waste-water is separately handled, and needs the strong oxidizing properties hazardous chemical such as sulfuric acid, chromium trioxide during reason at which.In addition, mesh
The preceding physical chemistry method integrated water rate of recovery is relatively low, and the by-products such as concentrate are will produce while purification to waste water.With materialization
Method is compared, and dirty water living creature processing technique has many advantages, such as that low energy consumption, consumption object is few, does not generate concentrate.In recent years, biology with
The membrane Bio-reactor Technology that materialization technology is combined large-scale application in municipal wastewater and industrial wastewater.Membrane bioreactor
Outstanding advantages of floor space that has is small, nitrification efficiency is high, effluent quality is good, be very suitable for confined space sewage disposal with
Reuse, but for the particularity of confined space and its sewage feature, it is comprehensive in functional unit setting, discharge gas and excess sludge
Closing control etc., it is still necessary to further improve and optimize.
Utility model content
In view of this, the main purpose of the utility model is to provide a kind of confined space sewage disposal systems, to extremely
Partially solve at least one of above-mentioned the technical issues of referring to.
To achieve the above object, the technical solution of the utility model is as follows：
A kind of confined space sewage disposal system, including pretreatment unit, hydrolysis membrane bioreactor, aerobic membrane bioreaction
Answer device, disinfection unit, gas purification units and aeration unit, the pretreatment unit, hydrolysis membrane bioreactor, the life of aerobic film
Object reactor, disinfection unit and gas purification units are closed structure, wherein：
Pretreatment unit, for carrying out primary filter and the adjusting of amount homogeneous to pending sewage, treated sewage
It is input to the hydrolysis membrane bioreactor；
Membrane bioreactor is hydrolyzed, is hydrolyzed for the sewage to input, and processed sewage is input to
The aerobic membrane bioreactor is provided with access aerobic membrane bioreactor liquid level at the top of the hydrolysis membrane bioreactor
The bottom of gas exhaust piping below, the hydrolysis membrane bioreactor is provided with for sludge to be input to aerobic membrane biological reaction
The sludge pipeline of device；
Aerobic membrane bioreactor carries out Aerobic Process for Treatment for the sewage to input, and processed sewage is input to
The disinfection unit, the gas exhaust piping of the top setting connection gas purification units of the aerobic membrane bioreactor are described good
The bottom of aerobic membrane bioreactor is provided with the sludge pipeline for sludge to be input to hydrolysis membrane bioreactor；
Disinfection unit, for being discharged after the disinfection of effluent to the aerobic membrane bioreactor；
Gas purification units are discharged after the gas absorption purification for being exported to the aerobic membrane bioreactor；
Aeration unit is separately connected the hydrolysis membrane bioreactor and aerobic membrane bioreactor, respectively to the water
Aeration is provided independently in solution membrane bioreactor and aerobic membrane bioreactor.
Preferably, the hydrolysis membrane bioreactor is detachable membrane bioreactor, includes being connected by circulating pump
Membrane bioreactor main body and external tubular membrane component are hydrolyzed, the water outlet of the tubular membrane component includes the production mouth of a river and cycle
Mouthful, the production mouth of a river is connected to the aerobic membrane bioreactor, and the circulation port is connected to the hydrolysis membrane bioreactor
Main body.
Preferably, suspension biologic filler is added in the hydrolysis membrane bioreactor main body, filling volume accounts for reactor
The 20~70% of swept volume.
Preferably, the aerobic membrane bioreactor is integral type membrane bioreactor, including aerobic membrane bioreactor
Main body and the plate film assembly being arranged in the aerobic membrane bioreactor, the water outlet of the plate film assembly pass through pipeline
It is connected to the disinfection unit.
Preferably, suspension biologic filler is added in the aerobic membrane bioreactor main body, filling volume accounts for reactor
The 20~70% of swept volume.
Preferably, the suspension biologic filler is using high molecule plastic as the modification biological floating stuffing of base material, diameter
10~25mm, 0.97~1.03g/cm of relative density3。
Preferably, the aeration unit includes the air blower that air inlet is fresh air, and the air blower is distinguished by pipeline
The hydrolysis membrane bioreactor and aerobic membrane bioreactor are connected, the control for controlling aeration quantity is set on the pipeline
Valve, to provide limited aeration and enough aerations to the hydrolysis membrane bioreactor and aerobic membrane bioreactor respectively；
The aeration unit further includes film area Aeration fan, and the air inlet of film area Aeration fan accesses institute by pipeline
The gas exhaust piping of aerobic membrane bioreactor is stated, the air outlet of film area Aeration fan is connected to the aerobic film by pipeline
In bioreactor below plate film assembly.
Preferably, the confined space sewage disposal system further includes monitoring unit and control unit, the monitoring unit
Including on-line oxidation reduction potential (ORP) sensor being set in the hydrolysis membrane bioreactor and aerobic membrane bioreaction
The online dissolved oxygen sensor in device, described control unit is answered to be connected to the monitoring unit, the air blower and for controlling
The control valve of aeration quantity, for the monitoring according to the on-line oxidation reduction potential sensor or the online dissolved oxygen sensor
Signal control the air blower and the control valve opening and closing or directly to the opening and closing of the air blower and the control valve into
Row timing control.
Preferably, the confined space sewage disposal system further includes lye storage tank, the outlet tube road of the lye storage tank
By adding alkali pump to be connected to the aerobic membrane bioreactor.
Preferably, the confined space sewage disposal system further includes monitoring unit and control unit, the monitoring unit
Including the online pH sensors being set in the aerobic membrane bioreactor, described control unit is connected to the monitoring unit
With described plus alkali pump, it is used for according to the monitoring signals of the online pH sensors control opening and closing for adding alkali pump.
Preferably, the monitoring unit further includes the multiple liquid level sensors being set in the sewage disposal system, pressure
Force snesor and flow monitoring sensor.
Preferably, the pretreatment unit includes primary filter and homogeneous measures regulating tank, the primary filter
Outlet pipeline connect the homogeneous and measure regulating tank, the outlet pipeline that the homogeneous measures regulating tank is connected to the water
Solve membrane bioreactor.
Preferably, the primary filter is fabric filter to remove the fiber substance in sewage；The homogeneous tune
The volume of water-saving box has the regulating time range to sewage 16-24h.
Based on the above-mentioned technical proposal, the beneficial effects of the utility model are：
(1) by providing limited aeration to hydrolysis membrane bioreactor, be conducive to maintain the hydrolysis acidification ring in reactor
Border is effectively decomposed the substance for being difficult to decompose in routine hydrolysis acidization, and further efficiently in aerobic film biology
By organic matter and ammonia nitrogen removal in reactor.
(2) gas exhaust piping for hydrolyzing membrane bioreactor is accessed into liquid level in aerobic membrane bioreactor hereinafter, going forward side by side one
Step ground, is passed through the liquid level of aerobic membrane bioreactor hereinafter, in conjunction with suitable by the gas circulation in aerobic membrane bioreactor
The catharsis of such as hydraulic detention time, dissolved oxygen and gas adsorbing device is arranged in technological parameter so that the utility model
The gas flow that sewage disposal system is discharged outward is small, and avoids and polluted to the air in confined space.
(3) spoil disposal, smell caused by avoiding spoil disposal do not dissipate problem to hydrolysis membrane bioreactor.
(4) the confined space sewage disposal system of the utility model is by being arranged longer sludge age and regarding cycle of operation tune
Cycle of the sludge between reactor for hydrolysis and acidification and aerobic reactor is saved, the excess sludge of generation is extremely limited.
(5) the confined space sewage disposal system of the utility model can reliablely and stablely handle confined space sewage, can
High confined space, such as closed vessel cabin, manned space flight closed system sewage are required as narrow space and comprehensive discharge
The technology of Treatment and recovery, is with a wide range of applications.
Description of the drawings
Fig. 1 is the confined space sewage water treatment method process flow diagram of the utility model.
Fig. 2 is the confined space sewage disposal system structural schematic diagram of the utility model.
Wherein, in Fig. 1, I-primary filter, II- measure homogeneous adjusting, the hydrolysis of III-macromolecular substances, IV-organic matter and ammonia
Nitrogen removal, V- disinfections, VI- gas purifications；
In Fig. 2,1- primary filters, 2 regulating tanks, 3 intake pumps, 4 hydrolysis membrane bioreactors, 5 circulating pumps, 6 tubular types
Membrane module, 7 online ORP sensors, 8 sludge pumps, 9 solenoid valves, 10 aerobic membrane bioreactors, 11 plate film assemblies, 12 self-primings
Pump, 13 film area Aeration fans, 14 on-line pH value sensors, 15 online dissolved oxygen sensors, 16 air blowers, 17 solenoid valves, 18 alkali
Liquid storage tank, 19 plus alkali pump, 20 disinfection units, 21 gas purification units.
Specific implementation mode
To make the purpose of this utility model, technical solution and advantage be more clearly understood, below in conjunction with specific embodiment, and
With reference to attached drawing, the utility model is described in further detail.
It please refers to shown in Fig. 1 and Fig. 2, wherein Fig. 1 is that the confined space sewage water treatment method flow of the utility model is illustrated
Figure, Fig. 2 are the confined space sewage disposal system structural schematic diagram of the utility model.
The structure of the confined space sewage disposal system of the utility model is as shown in Fig. 2, including primary filter 1, adjust
Water tank 2, intake pump 3, hydrolysis membrane bioreactor main body 4, circulating pump 5, tubular membrane component 6, online ORP sensors 7, sludge pump
8, solenoid valve 9, aerobic membrane bioreactor main body 10, plate film assembly 11, self priming pump 12, film area Aeration fan 13, online pH
It is worth sensor 14, online dissolved oxygen sensor 15, air blower 16, solenoid valve 17, lye storage tank 18 plus alkali pump 19, disinfection unit
20, gas purification units 21.
Wherein, as an exemplary embodiment, primary filter 1 is interior outer double-layer structure, and outer layer is Stainless Steel Shell, interior
Layer is is proposed that formula stainless steel filtering net, and 2~4mm of mesh diameter, in inlet end, internal layer is connected to outer layer by short tube, main to use
In fibers such as filtering hairs.Primary filter 1 is connect by pipeline with regulating tank 2.
Regulating tank 2 is used to carry out homogeneous to sewage to measure adjusting, and volume is designed as with the tune to sewage 16-24h
Time range is saved, there is setting stirring at low speed device inside conventional structure in the art to stir sewage progress homogeneous
It mixes.
It includes but not limited to structure described above that primary filter 1 and regulating tank 2, which are used as pretreatment unit, as long as
Its structure can realize that filtering and homogeneous measure the function of adjusting.
Regulating tank 2 is connect by intake pump 3 with hydrolysis membrane bioreactor 4, and hydrolysis membrane bioreactor 4 is in this implementation
It is the complete mix flow using hydraulic mixing in example, and is detachable membrane bioreactor, including is connected by circulating pump 5
The hydrolysis membrane bioreactor main body connect and external tubular membrane component 6, in one exemplary embodiment, tubular membrane component 6 is
The water outlet of inner pressed ultrafiltration or micro-filtration membrane module, the tubular membrane component 6 includes the production mouth of a river and circulation port, and the production mouth of a river is logical
Piping is connected to the aerobic membrane bioreactor, and the circulation port is connected to the hydrolysis membrane bioreactor by pipeline
Main body.This sewage disposal system does not have the condition that membrane module is washed away using biogas not for the purpose of generating biogas,
And detachable membrane bioreactor is used, it is washed away by the high speed of mixed liquor in membrane module, can reach and effectively control fouling membrane
Purpose.
It hydrolyzes membrane bioreactor 4 and connects limited aeration device, including air blower 16 and solenoid valve 9, it can be to hydrolysis film life
Micro fresh air is provided in object reactor 4, aeration control is in the redox electricity that will hydrolyze sewage in membrane bioreactor
Position (ORP) control is in -350~-500mV.
Sewage in hydrolysis membrane bioreactor 4 is delivered to aerobic membrane bioreactor 10 into acting charitably after tubular type membrane filtration
Oxygen biological treatment, to remove the organic pollution and ammonia nitrogen in sewage.
4 top of hydrolysis membrane bioreactor is provided with access aerobic membrane bioreactor liquid level gas exhaust piping below, with
The a small amount of gas comprising the substance such as ammonia, volatile organic matter generated in membrane bioreactor will be hydrolyzed and access aerobic film
By oxidation processes in bioreactor 10, reduce the pollution to confined space.
Online ORP sensors 7 immerse hydrolysis 4 liquid level of membrane bioreactor hereinafter, dirty in monitoring hydrolysis membrane bioreactor 4
The oxidation-reduction potential of water.
Setting sludge pump 8 and sludge-discharge pipe road between hydrolysis membrane bioreactor 4 and aerobic membrane bioreactor 10, are used
In cycle of the cycle of operation conditioning of mud between hydrolysis membrane bioreactor 4 and aerobic membrane bioreactor 10, can keep away in this way
Exempt from directly to hydrolyze the discharge in membrane bioreactor 4, causes smell to dissipate problem, be also beneficial to reduce the excess sludge generated
Amount.
Aerobic membrane bioreactor 10 is integral type membrane bioreactor, including aerobic membrane bioreactor main body and in institute
The plate film assembly 11 being arranged in aerobic membrane bioreactor is stated, convenient for using air scour mode to control fouling membrane.Plate membrane
The outlet pipeline of component 11 is connected to disinfection unit 20 by self priming pump 12, and disinfection unit 20 is disappeared using ultraviolet in the present embodiment
Poison.
The gas exhaust piping of the top setting connection gas purification units 21 of aerobic membrane bioreactor 10, to aerobic film biology
Reactor 10 discharge gas be discharged after 21 adsorption cleaning of gas purification units, can in gas purification units 21 loaded particles
Activated carbon is as adsorbent.
Online pH sensors 14 and online dissolved oxygen sensor 15 immerse 10 liquid level of aerobic membrane bioreactor hereinafter, supervising
Survey the pH value and dissolved oxygen concentration of sewage in aerobic membrane bioreactor 10.
Aerobic membrane bioreactor 10 and a lye storage tank 18 are used for by adding alkali pump 19 to connect to aerobic membrane biological reaction
Lye is added in device 10, controls the pH values of sewage in aerobic membrane bioreactor 10.
Aerobic membrane bioreactor 10 connects two sets of aerators, wherein a set of aerator includes air blower 16 and electromagnetism
Valve 13 can provide enough fresh airs to aerobic membrane bioreactor 10, and another set of aerator includes film area Aeration fan 13,
The gas exhaust piping of aerobic membrane bioreactor 10 is accessed before gas purification units 21, air outlet is connected to aerobic membrane bioreaction
It answers the lower section of the plate film assembly 11 of device 10 to be washed away to plate film assembly 11, and the gas of cycle can be filled
Divide ground biological oxidation processing, reduces the follow-up gas flow for entering gas purification units 21.
Can suspension biologic filler optionally be added into hydrolysis membrane bioreactor 4 and aerobic membrane bioreactor 10,
Filling volume accounts for the 20~70% of reactor swept volume, it is preferable that the suspension biologic filler is to be with high molecule plastic
The modification biological floating stuffing of base material, 10~25mm of diameter, 0.97~1.03g/cm of relative density3。
Online ORP sensors 7, online pH sensors 14 and online dissolved oxygen sensor 15 belong to the sewage of the utility model
A part for monitoring unit in processing system, the monitoring unit can also include being set to each device or equipment in system
Multiple liquid level sensors, pressure sensor and flow monitoring sensor etc..
Further, the monitoring unit and control unit connection, monitoring of the described control unit according to monitoring unit
Signal carries out chain control to the opening and closing of pump, wind turbine or solenoid valve or directly carries out sequential control to pump, wind turbine or solenoid valve
System, realizes increasingly automated, facilitates overall operation, reduces maintenance workload, specifically, such as can be passed according to online ORP
The opening and closing of monitor value the control air blower 16 and solenoid valve 9 of sensor 7；It can control and add according to the monitor value of on-line pH value sensor 14
The startup and stopping of alkali pump 19；Also air blower 16 and solenoid valve 17 can be controlled according to the monitor value of online dissolved oxygen sensor 15
Opening and closing.
It is readily appreciated that, the primary filter 1, regulating tank 2, hydrolysis membrane bioreactor 4, aerobic membrane biological reaction
Device 10, disinfection unit 20, lye storage tank 18 and gas purification units 21 are to be completely closed structure, to avoid in processing procedure
Foul smell dissipates taste to confined space.
The technological process of sewage disposal is carried out as shown in Figure 1, including mainly using above-mentioned confined space sewage disposal system
Following steps：
(1) pretreatment of primary filter and amount homogeneous adjusting is carried out to sewage in pretreatment unit；
(2) pretreated sewage transport to hydrolysis membrane bioreactor is fully hydrolyzed big in sewage to decompose
Molecular substance；
(3) Aerobic biological process will be carried out in the sewage transport to aerobic membrane bioreactor after hydrolysis, and by the water
The a small amount of gas generated in solution membrane bioreactor is passed through in aerobic membrane bioreactor, and is existed regarding cycle of operation conditioning of mud
Hydrolyze the cycle between membrane bioreactor and aerobic membrane bioreactor；
(4) it is discharged after the sewage transport after Aerobic biological process to disinfection unit being carried out ultraviolet disinfection, it will be described good
The gas being discharged in aerobic membrane bioreactor is passed through after gas purification units carry out adsorption cleaning and is discharged, by the aerobic film biology
Activated sludge in reactor is periodically discharged.
Sewage disposal overall process carries out in closed reactor, the hydraulic detention time in control hydrolysis membrane bioreactor
For 12~20h, filtered sewage is hydrolyzed；Tubular membrane runs 20~40L/ of membrane flux (m2H), it is mixed in tubular membrane
Close 2.5~5m/s of flow velocity；By being aerated in right amount, by ORP controls in -450~-500mV, cooperation control hydraulic detention time
Hydrolysis membrane bioreactor is set to maintain hydrolysis stage, by hydraulic detention time and periodically into aerobic membrane bioreactor 10
Sludge concentration control is 10~20g/L by spoil disposal.
Control aerobic membrane bioreactor in hydraulic detention time be 14~for 24 hours, complete to hydrolyze membrane bioreactor
Go out the fully degraded of organic pollutants and ammonia nitrogen is fully converted into nitrate nitrogen；Plate membrane runs 8~12L/ of membrane flux
(m2·h)；The dissolved oxygen concentration for controlling sewage in aerobic membrane bioreactor is 2~3mg/L；Control ph be 6.50~
6.60, to ensure that system to the stabilization of the removal effect of ammonia nitrogen and water outlet pH, is controlled by hydraulic detention time and regular spoil disposal
Sludge concentration is 8~10g/L.
Sewage disposal overall process reduces gas using Comprehensive Control mode, specifically includes：Stringent control hydrolysis membrane bioreaction
Answer device operating status；The minimum gas that membrane bioreactor 4 discharges will be hydrolyzed to be passed through in aerobic membrane bioreactor 10 in sewage
It is handled；And membrane module is carried out using cyclic aeration mode in aerobic membrane bioreactor 10 and is washed away.Further use
The a small amount of gas generated in suction type purification sewage disposal process.
Specific embodiment is exemplified below to be described further the technical solution of the utility model.
Embodiment 1
Refer to Fig. 1.The closed life support system sewage of simulation of human configuration, pH value 7.0~7.5, COD 1200~
500~750mg/L of 1400mg/L, TOC, 700~800mg/L of total nitrogen, 100~130mg/L of surfactant.Sewage is through filtering
It is placed on regulating tank 2, the sewage in regulating tank 2 is pumped into hydrolysis membrane bioreactor 4 by intake pump 3.Sewage is hydrolyzing
Residence time in membrane bioreactor 4 is 16h, enters aerobic membrane bioreactor 10 after the filtering of external pipe type membrane module 6.
The ORP for hydrolyzing membrane bioreactor 4 is controlled in -450~-500mV.Dissolved oxygen concentration 2 in aerobic membrane bioreactor 10~
3mg/L, self priming pump 12 extracts sewage in aerobic membrane bioreactor 10 by plate film assembly 11 out, through ultraviolet disinfection heel row
It puts.Residence time of the sewage in aerobic membrane bioreactor 10 is 18h.Self priming pump 12 is by " open 4 minutes, stop 1 minute "
Cycling service.Sludge pump is opened 4 times daily, and 20mL is hydrolyzed mud discharging to aerobic film in membrane bioreactor 4 every time and is given birth to
Object reactor 10.30 days continuous monitoring data show, system is discharged pH value 6.6~6.8, TOC≤10mg/L, ammonia nitrogen≤
Discharge ammonia and hydrogen sulfide is not detected in 2mg/L, nitrite nitrogen≤1mg/L, surfactant concentration≤0.2mg/L, discharges first
Alkane concentration≤2mg/m3, discharge total volatile organism (TVOCs) concentration≤0.5mg/m3(8 hourly average value).
Particular embodiments described above has carried out into one the purpose of this utility model, technical solution and advantageous effect
Step is described in detail, it should be understood that the foregoing is merely specific embodiment of the utility model, are not limited to this reality
With novel, within the spirit and principle of the utility model, any modification, equivalent substitution, improvement and etc. done should all include
It is within the protection scope of the utility model.
Claims (10)
1. a kind of confined space sewage disposal system, including pretreatment unit, hydrolysis membrane bioreactor, aerobic membrane biological reaction
Device, disinfection unit, gas purification units and aeration unit, which is characterized in that the pretreatment unit, hydrolysis membrane biological reaction
Device, aerobic membrane bioreactor, disinfection unit and gas purification units are closed structure, wherein：
Pretreatment unit, for carrying out primary filter and the adjusting of amount homogeneous to pending sewage, sewage input that treated
To the hydrolysis membrane bioreactor；
Membrane bioreactor is hydrolyzed, is hydrolyzed for the sewage to input, and processed sewage is input to described
Aerobic membrane bioreactor is provided with access aerobic membrane bioreactor liquid level or less at the top of the hydrolysis membrane bioreactor
Gas exhaust piping, it is described hydrolysis membrane bioreactor bottom be provided with for sludge to be input to aerobic membrane bioreactor
Sludge pipeline；
Aerobic membrane bioreactor for carrying out Aerobic Process for Treatment to the sewage of input, and processed sewage is input to described
Disinfection unit, the gas exhaust piping of the top setting connection gas purification units of the aerobic membrane bioreactor, the aerobic film
The bottom of bioreactor is provided with the sludge pipeline for sludge to be input to hydrolysis membrane bioreactor；
Disinfection unit, for being discharged after the disinfection of effluent to the aerobic membrane bioreactor；
Gas purification units are discharged after the gas absorption purification for being exported to the aerobic membrane bioreactor；
Aeration unit is separately connected the hydrolysis membrane bioreactor and aerobic membrane bioreactor, respectively to the hydrolysis film
Aeration is provided independently in bioreactor and aerobic membrane bioreactor.
2. confined space sewage disposal system according to claim 1, which is characterized in that the hydrolysis membrane bioreactor
Include the hydrolysis membrane bioreactor main body connected by circulating pump and external tubular membrane group for detachable membrane bioreactor
The water outlet of part, the tubular membrane component includes that the production mouth of a river and circulation port, the production mouth of a river are connected to the aerobic membrane bioreaction
Device, the circulation port is answered to be connected to the hydrolysis membrane bioreactor main body；
Suspension biologic filler is added in the hydrolysis membrane bioreactor main body, filling volume accounts for reactor swept volume
20~70%.
3. confined space sewage disposal system according to claim 1, which is characterized in that the aerobic membrane bioreactor
For integral type membrane bioreactor, including aerobic membrane bioreactor main body and it is arranged in the aerobic membrane bioreactor
The water outlet of plate film assembly, the plate film assembly is connected to the disinfection unit by pipeline；
Suspension biologic filler is added in the aerobic membrane bioreactor main body, filling volume accounts for reactor swept volume
20~70%.
4. confined space sewage disposal system according to claim 2 or 3, which is characterized in that the suspension type biological is filled out
Material is using high molecule plastic as the modification biological floating stuffing of base material, 10~25mm of diameter, 0.97~1.03g/ of relative density
cm3。
5. confined space sewage disposal system according to claim 3, which is characterized in that the aeration unit includes film area
The air inlet of Aeration fan, film area Aeration fan accesses the gas exhaust piping of the aerobic membrane bioreactor by pipeline,
The air outlet of film area Aeration fan is connected in the aerobic membrane bioreactor by pipeline below plate film assembly.
6. confined space sewage disposal system according to claim 1, which is characterized in that the aeration unit includes air inlet
For the air blower of fresh air, the air blower is separately connected the hydrolysis membrane bioreactor and aerobic film biology by pipeline
Reactor the control valve for controlling aeration quantity is arranged on the pipeline, to become reconciled respectively to the hydrolysis membrane bioreactor
Aeration is provided independently in aerobic membrane bioreactor.
7. confined space sewage disposal system according to claim 6, which is characterized in that the confined space sewage disposal
System further includes monitoring unit and control unit, the monitoring unit include be set in the hydrolysis membrane bioreactor
Online dissolved oxygen sensor in line oxidation-reduction potential sensor and aerobic membrane bioreactor, described control unit are connected to
The monitoring unit, the air blower and the control valve for controlling aeration quantity, for according to the on-line oxidation reduction potential
The monitoring signals of sensor or the online dissolved oxygen sensor carry out the opening and closing of the air blower and the control valve chain
It controls or timing control directly is carried out to the opening and closing of the air blower and the control valve.
8. confined space sewage disposal system according to claim 1, which is characterized in that the confined space sewage disposal
System further includes lye storage tank, and the outlet tube road of the lye storage tank is by adding alkali pump to be connected to the aerobic membrane biological reaction
Device；
The confined space sewage disposal system further includes monitoring unit and control unit, and the monitoring unit includes being set to institute
The online pH sensors in aerobic membrane bioreactor are stated, described control unit is connected to the monitoring unit and described plus alkali
Pump, for according to the monitoring signals of the online pH sensors control opening and closing for adding alkali pump.
9. confined space sewage disposal system according to claim 7 or 8, which is characterized in that the monitoring unit also wraps
Include the multiple liquid level sensors, pressure sensor and flow monitoring sensor being set in the sewage disposal system.
10. confined space sewage disposal system according to claim 1, which is characterized in that the pretreatment unit includes
Primary filter and homogeneous measure regulating tank, and the outlet pipeline of the primary filter connects the homogeneous and measures adjusting water
Case, the outlet pipeline that the homogeneous measures regulating tank are connected to the hydrolysis membrane bioreactor by intake pump；
The primary filter is fabric filter to remove the fiber substance in sewage；The volume of the homogeneous regulating tank
With the regulating time range to sewage 16-24h.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694751.3U CN207958059U (en) | 2017-12-07 | 2017-12-07 | Confined space sewage disposal system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721694751.3U CN207958059U (en) | 2017-12-07 | 2017-12-07 | Confined space sewage disposal system |
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| CN207958059U true CN207958059U (en) | 2018-10-12 |
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| CN201721694751.3U Active CN207958059U (en) | 2017-12-07 | 2017-12-07 | Confined space sewage disposal system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
| CN111170570A (en) * | 2020-01-16 | 2020-05-19 | 中国科学院生态环境研究中心 | Pretreatment method and system for reducing wastewater surfactant |
-
2017
- 2017-12-07 CN CN201721694751.3U patent/CN207958059U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107827325A (en) * | 2017-12-07 | 2018-03-23 | 中国科学院生态环境研究中心 | Confined space sewage disposal system and method |
| CN111170570A (en) * | 2020-01-16 | 2020-05-19 | 中国科学院生态环境研究中心 | Pretreatment method and system for reducing wastewater surfactant |
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