CN207404938U - A kind of energy saving integrated film biological treatment reactor - Google Patents

Abstract

The utility model discloses a kind of energy saving integrated film biological treatment reactors, the device includes pre- anoxic section, anaerobism section, anoxic section, aerobic membrane filtration section, the pre- anoxic section, anaerobism section, anoxic section, aerobic membrane filtration section are sequentially connected, and are connected between each conversion zone using upper and lower baffling mode.The utility model possesses the advantages that floor space is small, construction and installation are convenient, stable to removal effects such as BOD, N, P, easy to operate for the processing of the small-scale sewage such as domestic sewage in rural areas, Resort Hotel sewage.

Description

A kind of energy saving integrated film biological treatment reactor

Technical field

The utility model belongs to technical field of sewage, is related to a kind of energy saving integrated film biological treatment reactor IMMBR。

Background technology

Water quality directly affects people's health.With industrial rapid development, various types of wastewater discharges It sharply increases, waste water is also constantly changing, this proposes wastewater processing technology higher requirement.Research both at home and abroad Show that by membrane filtration and the biodegradable membrane bioreactor organically combined be a kind of sewage disposal technology of highly effective, it should Technique is due to substituting the secondary settling tank in traditional sludge technique using efficient UF membrane, and simple with principle, effluent quality is high-quality To stablize, take up an area and save, excess sludge yield is low, the unrivaled technical advantage of the traditional wastewaters treatment technology such as convenient operation and management, It is widely used in waste water industry.The rural area distribution in China is more scattered, if will be after most of domestic sewage in rural areas centralized collection It is uniformly processed, it is quite big so to collect the construction investment of pipe network, and is also contemplated that pipe network blockage problem, if by a rural area It is individually handled after Domestic sewage collecting, can thus greatly save and collect pipe network construction cost.

Utility model content

The purpose of this utility model is to provide a kind of energy saving integrated film biological treatment reactor (Integrated Modified Membrane Biofilm Reactor, abbreviation IMMBR).Existing sewage treatment project or equipment to be overcome to exist Bulky complex, take up a large area, invest and the shortcomings of operating cost is expensive, treatment effect is poor, and effluent quality is unstable, pin Processing to the small-scale sewage such as domestic sewage in rural areas, Resort Hotel sewage, possesses that floor space is small, construction and installation are convenient, right The advantages that removal effects such as BOD, N, P are stable, easy to operate.

Its specific technical solution is：

A kind of energy saving integrated film biological treatment reactor, including pre- anoxic section 3, anaerobism section 4, anoxic section 5, aerobic film mistake Section 6 is filtered, the pre- anoxic section 3, anaerobism section 4, anoxic section 5, aerobic membrane filtration section 6 are sequentially connected, using upper between each conversion zone Lower baffling mode connects.

Further, pre- 3 front end of anoxic section is equipped with grid pond 1, regulating reservoir 2, and the grid pond 1 is arranged on sewage network The front end of water inlet and regulating reservoir 2 sets regulating reservoir 2 after the grid pond 1.

Further, elevator pump 11 is set in 2 end of regulating reservoir.

Further, in the outlet pipe connection anoxic pond water inlet pipe 16 of the elevator pump 11.

Further, the top of the anaerobism section 4 is equipped with mixer 10.

Further, there is overflow pipe 12 in aerobic membrane filtration section 6.

Further, the air of the anoxic section 5 and aerobic membrane filtration section 6 is provided by aerating system, and aerating system includes drum Wind turbine 9, aeration supervisor 13, aeration branch pipe 14, boring aeration pipe 15.

Further, membrane separation device is installed in aerobic membrane filtration section 6.

Further, run by controlling the electric power supply of cabinet 17 and control device, live wire and control line and water pump (elevator pump 11, Self priming pump 7), air blower 9, mixer 10, the equipment such as solenoid valve (Z1-Z3, F1-F3, CS) are connected.

Further, the membrane separation device uses PE membrane modules 18.

Further, using six PE membrane modules 18, each 18 upper end of PE membrane modules is connected with membrane module exit branch 19, Two neighboring membrane module exit branch 19 converges for a membrane module water outlet main pipe 20, and a membrane module water outlet main pipe 20 is divided to two Road is connected all the way with the self priming pump of self priming pump 7 water suction branch pipe 21, and the backwashing water branch pipe 25 of another way and backwashing system connects It connects；Self priming pump water suction branch pipe 21 is connected with self priming pump water suction supervisor 22, and self priming pump water suction supervisor 22 connects self priming pumps 7, self priming pump 7 Outlet pipe sets two-way, and direct water outlet all the way, by 23 discharge of reaction tank outlet pipe supervisor, another way is anti-as backwashing system Flushing water supervisor 24；Backwashing water supervisor 24 connection three backwashing water branch pipes 25, respectively with three membrane module water outlet main pipes 20 Connection, then each membrane module exit branch 19 is assigned to, backwashing water, which enters in membrane module, to recoil, and backwashing water enters aerobic Membrane filtration section 6 completes recoil.Backwash the side that dosing facility 8 is mounted on self priming pump 7, the connection backwash of 26 one end of chemical feed pipe Dosing facility 8, the water suction supervisor 22 of other end connection self priming pump.

Further, the anaerobism section 4, anoxic section 5 and aerobic membrane filtration section 6 respectively set an emptying branch pipe 27, are connected to Emptying supervisor 28, emptying supervisor 28 dispose along integration apparatus bottom.

Further, energy saving integrated film biological treatment reactor exhalant region sets an overflow pipe 12, is connected to emptying master Pipe 28, sewage flow automatically after collecting into regulating reservoir 2.

Further, energy saving integrated film biological treatment reactor upper end sets inspection hole.

Further, equipped with three three Z1-Z3 of self priming pump water suction branch pipe solenoid valve, backwashing water branch pipe solenoid valve F1-F3 And one CS of reaction tank outlet pipe solenoid valve, seven solenoid valves automatically control for linkage.

Compared with prior art, the beneficial effects of the utility model are：

1 realizes anoxic and the alternating of aerobic environment in same reactor, is completed in same processing unit organic It is removed while object, nitrogen and phosphorus, treatment effeciency is high, and effluent quality is good.

2 system run all rights, flow is simple, and equipment is few, saves secondary settling tank and sludge reflux, and floor space is smaller, is suitble to The processing of small-scale domestic sewage in rural areas.

3 sludge ages are long, and excess sludge is few.

4 can effective decelerating membrane pollution, stable membrane flux.

5 whole devices are simple in structure, investment cost is low, high degree of automation, operation and maintenance are convenient, operating cost is low.

Description of the drawings

Fig. 1 is the structure diagram of the utility model energy saving integrated film biological treatment reactor.

Fig. 2 is the utility model energy saving integrated film biological treatment reactor sectional view.

Fig. 3 is the aerating system sectional view of the utility model energy saving integrated film biological treatment reactor.

Fig. 4 is the aerating system figure of the utility model energy saving integrated film biological treatment reactor.

Fig. 5 is the membrane module water outlet of the utility model energy saving integrated film biological treatment reactor and backwashing system section Figure.

Fig. 6 is the membrane module water outlet of the utility model energy saving integrated film biological treatment reactor and backwashing system figure.

Specific embodiment

The technical solution of the utility model is described in more detail in the following with reference to the drawings and specific embodiments.

With reference to Fig. 1-Fig. 6, a kind of energy saving integrated film biological treatment reactor IMMBR, including sequentially connected pre- anoxic Section 3, anaerobism section 4, anoxic section 5, aerobic membrane filtration section 6 are connected between each conversion zone using upper and lower baffling mode, have both improvement The advantages that AAO synchronous denitrification dephosphorizings function and Membrane Bioreactor for Wastewater Treatment effluent quality concentration of suspension are low, water quality is good.

Grid pond 1, regulating reservoir 2 are separately set before above-mentioned IMMBR.Grid pond 1 is arranged on sewage network water inlet and regulating reservoir 2 front end, major function remove the coarse floating material in sewage；Regulating reservoir 2, the residence time of regulating reservoir 2 are set after grid pond 1 8-12h is taken according to Practical Project situation, is mainly used to adjust sewage quality water, while is also equipped with the effect of septic tank and sand setting, Sewage is subjected to simply degradation and settlement treatment；

Elevator pump 11 is set in above-mentioned IMMBR in 2 end of regulating reservoir, and 11 design discharge of elevator pump is processing water and reflux Flow backflow mixed liquor of the mixed liquor containing high-concentration activated sludge comes from aerobic membrane biological reaction pond overflow port, is the improvement of this equipment One of energy saving measure.

Treatment sewage and the boosted pump 11 of backflow mixed liquor are promoted to the pre- anoxic section in upper end of IMMBR in above-mentioned IMMBR 3, pre- anoxic section 3 designs the residence time as 0.5h, and dissolved oxygen containing a certain concentration in treatment sewage with being free of in backflow mixed liquor Dissolved oxygen is mixed to form anoxia condition, and denitrifying bacteria contains high concentration using the organic carbon BOD removal backflow mixed liquors in water inlet Nitrate nitrogen, nitrite nitrogen and dissolved oxygen in activated sludge, eliminate influence of the denitrifying bacteria to polyP bacteria, ensure that anaerobism Section 4 being capable of more stable operation；

In above-mentioned IMMBR after the processing of pre- anoxic section 3, sewage enters anaerobism section 4, anaerobism section 4 through IMMBR lower communication holes Residence time is 1h, and the top of anaerobism section 4 is equipped with mixer 10, ensures that activated sludge is in mud in suspended state and reaction tank Water is uniformly mixed, and sewage and sludge are in anaerobic state in anaerobism section 10, and polyP bacteria fully releases phosphorus, poly- for aerobic membrane filtration section 6 Phosphorus bacterium excessively inhales phosphorus and creates conditions；

Above-mentioned IMMBR is after the processing of anaerobism section 4, and sewage is from the overflow of IMMBR tops to anoxic section 5,5 residence time of anoxic section For 2h, the blast aeration system of boring aeration pipe is set in anoxic section 5, aeration quantity is controlled, sewage, sludge is made to be in anoxic shape State, while play the role of mixing sludge sewage, semi soft packing is loaded in anoxic section 5, biomembrane is formed, anoxic zone can be increased The advantages of biomass improves reaction effect, and anoxic section 5 mainly increases filler tool biomembrane using denitrifying bacterium denitrogenation anoxic section 5, It is that this equipment improves one of energy saving measure, denitrifying bacterium makes nitrate using carbonaceous organic material in waste water as carbon source under anaerobic condition It being overflowed with Nitrite transformation for nitrogen, realizes thorough denitrogenation, nitrate concentration continuously decreases, and anoxic section divides two parts, the It is connected between a part and second portion by IMMBR bottoms intercommunicating pore；

In above-mentioned IMMBR after the processing of anoxic section, sewage is from the overflow of IMMBR upper ends to aerobic membrane filtration section 6, aerobic film mistake Because having pre- anoxic phases 3 and membrane separation technique, the shorter residence time can be used using 4h in filter section 6 hydraulic detention time, this It is that this equipment improves one of energy saving measure, is aerated using the blast aeration system of boring aeration pipe, is in sewage sludge Oxygen condition under aerobic condition while realizes that the organic pollution BOD in heterotroph degradation sewage, aerobic phosphorous accumulating bacterium are excessive to phosphorus Absorb, nitrobacteria and nitrite bacteria by Ammonia Nitrification into functions such as NO3-N and NO2-Ns；

Overflow pipe 12 is set in aerobic membrane filtration section 6 in above-mentioned IMMBR, on the one hand can ensure equipment safety flow of inlet water height Overflow avoids provision for sealing pressure rise from causing equipment damage when water flow, mainly also have a function be backflow mixed liquor extremely 2 end elevator pump of regulating reservoir, 11 water sucking mouth creates conditions for pre- anaerobic condition, this mode can be less with a mixed-liquor return Pump, by two pumps elevator pump 11 and reflux pump and for a pump elevator pump 11, can streamlining management, while be conducive to choosing pump, save Energy consumption this be also that this equipment improves one of energy saving measure；

The air of anoxic section 5 and aerobic membrane filtration section 6 is provided by aerating system in above-mentioned IMMBR, and aerating system contains air blast Machine 9, aeration supervisor 13, aeration branch pipe 14, boring aeration pipe 15 form.

Membrane separation device is installed in aerobic membrane filtration section 6 in above-mentioned IMMBR, realizes mud-water separation, ensures effluent quality, film Separator is arranged on aerobic membrane filtration section 6, washes away film surface using the bubble of the generation of aerating system, decelerating membrane pollution blocks up The time of plug, while film process interior need not flow back, and activated sludge can be made to be completely trapped in aerobe reactor so that Hydraulic detention time and sludge retention time in aerobe reactor are distinct, and the yield of sludge is seldom, fixed Dephosphorization can be realized in phase discharge sludge, this equipment uses PE membrane modules 18, at low cost, and easy for installation this is that the improvement of this equipment is energy saving One of measure；

Details are as follows with backwash process for the setting of membrane module pipeline and water outlet in above-mentioned IMMBR：

This equipment is set there are six membrane module 18, and each 18 upper end of membrane module is connected with membrane module exit branch 19, and adjacent two A membrane module exit branch 19 converges for a membrane module water outlet main pipe 20 three pairs of membrane modules 18 totally, there is three membrane module water outlet masters Pipe 20, a membrane module water outlet main pipe 20 divide two-way, and the self priming pump with self priming pump 7 above aerobic membrane filtration section 6 absorbs water all the way Branch pipe 21 connects, and the backwashing water branch pipe 25 of another way and backwashing system connects；Self priming pump water suction branch pipe 21 and self-priming pumping Water is responsible for 22 connections, and self priming pump, which absorbs water, is responsible for 22 connection self priming pumps 7,7 outlet pipe of self priming pump setting two-way, direct water outlet all the way, By 23 discharge of reaction tank outlet pipe supervisor, another way is as backwashing system backwashing water supervisor 24；This equipment utilization three is right Two pairs of membrane module water outlets in membrane module recoil to another pair membrane module, while by the use of self priming pump 7 as backwash pump 7, can saving backwash pond or water tank and special backwash pump, this is one of this equipment improvement energy conservation measure；Backwashing water 24 three backwashing water branch pipes 25 of connection of supervisor, referred to as membrane module recoils when being backwashed respectively with three membrane module water outlet main pipes 20 It washes to be responsible for into water and connect, then assign to referred to as membrane module when each membrane module exit branch 19 backwashes and backwash water inlet pipe, instead Flushing water, which enters in membrane module, to recoil, and backwashing water enters aerobic membrane filtration section 6, completes recoil.Backwash dosing facility 8 Mounted on the side of self priming pump 7,26 one end of chemical feed pipe connection backwash dosing facility 8, when other end connection self priming pump backwashes Claim backwashing pump water inlet pipe when referred to as backwashing pump water suction supervisor 22 backwashes.It is easy to implement simultaneously to automatically control, improve dirt The automatization level of water process.

Film process stage valve facilities in above-mentioned IMMBR：Three Z1-Z3 of self priming pump water suction branch pipe solenoid valve, recoil One CS of three F1-F3 of wash water branch pipe solenoid valve and reaction tank outlet pipe solenoid valve, seven solenoid valves automatically control for linkage.

The film process stage, specific process operation feature was as follows in above-mentioned IMMBR：

1 self priming pump water suction branch pipe solenoid valve Z1-Z3 standard-sized sheets, backwashing water branch pipe solenoid valve F1-F3 is fully closed, reaction tank water outlet Pipe solenoid valve CS is opened, and improvement energy saving integrated membrane biological reaction is discharged in water outlet under the action of self priming pump after film process at this time Device.

(2) self priming pump water suction branch pipe solenoid valve Z2, Z3 is opened, and Z1 is closed, backwashing water branch pipe solenoid valve F1 unlatchings, F2, F3 is closed, and reaction tank outlet pipe solenoid valve CS is closed, at this time recoil of the water outlet of rear two groups of membrane modules as first group of membrane module Wash water backwashes membrane module.

3 self priming pumps water suction branch pipe solenoid valve Z1, Z3 are opened, and Z2 is closed, backwashing water branch pipe solenoid valve F2 unlatchings, F1, F3 It closes, reaction tank outlet pipe solenoid valve CS is closed, and the water outlet of the one or three group of membrane module at this time is anti-as second group of membrane module Flushing water backwashes membrane module.

4 self priming pumps water suction branch pipe solenoid valve Z1, Z2 are opened, and Z3 is closed, backwashing water branch pipe solenoid valve F3 unlatchings, F1, F2 It closes, reaction tank outlet pipe solenoid valve CS is closed, and the water outlet of the oneth the second membrane module at this time is anti-as the 3rd group of membrane module Flushing water backwashes membrane module.

One JY of dosing pump solenoid valve in above-mentioned IMMBR sets dosing button, in backwash mode when dosing button starts Normal operating phase, the automatic open/close states for searching for self priming pump water suction branch pipe solenoid valve, when any solenoid valves of Z1-Z3 start, JY Start, during all closings, JY is closed；When dosing button stops, JY valves are closed.

Anaerobism section 4, anoxic section 5 and aerobic membrane filtration section 6 respectively set an emptying branch pipe 27 in above-mentioned IMMBR, are connected to Emptying supervisor 28, emptying supervisor 28 dispose along integration apparatus bottom.

To prevent that sewage quantity is more than the processing capacity of integration apparatus in above-mentioned IMMBR, in improvement energy saving integrated film life Object reactor exhalant region sets an overflow pipe 12, is connected to emptying supervisor 28, and sewage flows automatically after collecting into regulating reservoir 2.

Type integral membrane reactor upper end sets inspection hole, the operation of easy cleaning and check device in above-mentioned IMMBR.

2 water level control system of regulating reservoir is using double water level controls in above-mentioned IMMBR：Less than minimum set water level, system is certainly It is dynamic to stop；Water level is set higher than highest, system starts：System starting state includes：11 automatic start of inlet water lifting pumps；Anaerobic pond 10 automatic start of mixer；9 automatic start of air blower；7 automatic start of self priming pump is automatically into film backwash mode.

In above-mentioned IMMBR inlet water lifting pumps 11, stirrer of anaerobic pool 10, air blower 9, self priming pump 7 be both needed to manual start and stop by Button.

The above, is only the preferable specific embodiment of the utility model, and the scope of protection of the utility model is not limited to This, in the technical scope that any one skilled in the art discloses in the utility model, can become apparent to Technical solution simple change or equivalence replacement each fall in the scope of protection of the utility model.

Claims (9)

1. a kind of energy saving integrated film biological treatment reactor, which is characterized in that including pre- anoxic section (3), anaerobism section (4), lack Oxygen section (5), aerobic membrane filtration section (6), the pre- anoxic section (3), anaerobism section (4), anoxic section (5), aerobic membrane filtration section (6) according to Secondary connection is connected using upper and lower baffling mode between each conversion zone；

Pre- anoxic section (3) front end be equipped with grid pond (1), regulating reservoir (2), the grid pond (1) be arranged on sewage network into The mouth of a river and the front end of regulating reservoir (2), the grid pond (1) set regulating reservoir (2) afterwards；

In the regulating reservoir (2) end, elevator pump (11) is set；

In the outlet pipe connection anoxic pond water inlet pipe (16) of the elevator pump (11)；

Mixer (10) is installed above the anaerobism section (4)；

There is overflow pipe (12) in aerobic membrane filtration section (6).

2. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that the anoxic section (5) It is provided with the air of aerobic membrane filtration section (6) by aerating system, aerating system includes air blower (9), aeration supervisor (13), aeration Branch pipe (14), boring aeration pipe (15).

3. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that in aerobic membrane filtration section (6) membrane separation device is installed.

4. energy saving integrated film biological treatment reactor according to claim 3, which is characterized in that the membrane separation device Using PE membrane modules (18).

5. energy saving integrated film biological treatment reactor according to claim 4, which is characterized in that using six PE film groups Part (18), each PE membrane modules (18) upper end are connected with membrane module exit branch (19), two neighboring membrane module exit branch (19) converge for a membrane module water outlet main pipe (20), a membrane module water outlet main pipe (20) divides two-way, all the way with self priming pump (7) Self priming pump water suction branch pipe (21) connect, the backwashing water branch pipe (25) of another way and backwashing system connects；Self priming pump absorbs water Branch pipe (21) is connected with self priming pump water suction supervisor (22), and self priming pump water suction supervisor (22) connection self priming pump (7), self priming pump (7) goes out Water pipe sets two-way, and direct water outlet all the way is discharged by reaction tank outlet pipe supervisor (23), and another way is anti-as backwashing system Flushing water is responsible for (24)；Backwashing water supervisor (24) connect three backwashing water branch pipes (25), respectively with three membrane module water outlets (20) connection is responsible for, then assigns to each membrane module exit branch (19), backwashing water, which enters in membrane module, to recoil, backwash Water enters aerobic membrane filtration section (6), completes recoil；Backwash the side that dosing facility (8) is mounted on self priming pump (7), chemical feed pipe (26) one end connection backwash dosing facility (8), the water suction supervisor (22) of other end connection self priming pump.

6. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that the anaerobism section (4), Anoxic section (5) and aerobic membrane filtration section (6) respectively set an emptying branch pipe (27), are connected to emptying supervisor (28), emptying supervisor (28) disposed along integration apparatus bottom.

7. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that energy saving integrated film is given birth to Object treatment reactor exhalant region sets an overflow pipe (12), is connected to emptying supervisor (28), and gravity flow, which enters, after sewage collects adjusts It saves pond (2).

8. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that energy saving integrated film is given birth to Object treatment reactor upper end sets inspection hole.

9. energy saving integrated film biological treatment reactor according to claim 1, which is characterized in that absorb water equipped with self priming pump Branch pipe solenoid valve three (Z1-Z3), backwashing water branch pipe solenoid valve three (F1-F3) and reaction tank outlet pipe solenoid valve one (CS), seven solenoid valves automatically control for linkage.