A kind of vortex self-circulating anaerobic reactor and its working method
Technical field
The present invention relates to a kind of reaction units for the processing of high, medium and low concentration anerobic sowage, belong to anaerobic reaction technology
Field, specifically a kind of vortex self-circulating anaerobic reactor (Vortex self circulation anaerobic
Reactor, V-SC reactor).
Background technology
For the biological anaerobic reactor of high, medium and low concentration sewage disposal, development at present form anaerobic filter (AF),
Anaerobic fluidized bed and expanded bed reactor (AFBR), upflow anaerobic sludge blanket process (UASB), anaerobic baffled reactor (ABR),
Expanded granular sludge bed (EGSB), internal-circulation anaerobic reactor (IC), upflow sludge blanket filter (UBF), upper anaerobism are multiple
Close the reactor of reactor (UAMR), up flow type multistage anaerobic reactor (UMAR) etc. diversified forms.Wherein AF, AFBR,
That there are upflow velocities is low for this kind of reactor of UASB, ABR, UBF, and mixing, mass-transfer efficiency are low, anti-load impact energy force difference, PH of intaking
Problems, this kind of reactor of EGSB, IC, UAMR, UMAR in addition such as stringent is controlled to belong to although upflow velocity is fast
The reactor of upper heave streaming, needs granule sludge to start competence exertion its efficiency, however be limited by again to PH, temperature it is stringent
Control, otherwise granule sludge is easy disintegrates, and causes race mud serious, the anti-load impact energy force difference of system.
Invention content
The present invention is directed to the deficiency of existing anerobic sowage treatment reactor, provides a kind of vortex self-circulating anaerobic reactor,
The reactor realizes the vortex self-loopa mass transfer of plurality of operating modes, enhances system response area concentration gradient, rate of circulating flow
Fast and amount is big, can be started with floc sludge, and reactor is wide to PH and temperature tolerance section, and the anti-load impact ability of system is strong,
Water inlet can be intake with continuum micromeehanics also pulsed, and reactor can be adopted when water inlet is with interval in conjunction with operating mode and water quality characteristics
With internal vortex self-loopa operational mode or external impetus auxiliary vortex self-loopa operational mode or external impetus auxiliary enhancing whirlpool
The alternate run pattern of self-loopa operational mode any one or two kinds of or three kinds is flowed, high, medium and low concentration sewage is particularly suitable for
Anaerobism efficient process is applied to secondary anaerobic technique.
To achieve the goals above, present invention employs following technical schemes:
It is vortexed self-circulating anaerobic reactor, which is columnar tank structure, tank body, outer circulation pump, interior air water point
From device, top gas separator, level-one three phase separator, two level three phase separator, pipeline ejector, inner deflector, middle deflector,
Outer circulation nozzle, interior cycle nozzle, into sprinkler head, air lift tedge, getter pipe, return duct, water inlet pipe, inlet valve, outer circulation
Water inlet pipe, outer circulation outlet pipe, biogas pipe, control system;Pipeline ejector inlet valve, pipeline ejector outlet valve and outer circulation
Inlet valve;
Level-one three phase separator is mounted in tank body, and two level three phase separator is mounted on level-one three phase separator in tank body
Top, is first order reaction area below level-one three phase separator, and the space in first order reaction area to tank base is water distribution mixed zone, one
Grade the distance between three phase separator and two level three phase separator are second order reaction area, and two level three phase separator arrives top of the tank
Space is deposit exhalant region;
Interior moisture trap is mounted on above level-one three phase separator, the top of level-one three phase separator by pipeline with it is interior
Moisture trap is connected to;Outer circulation outlet pipe one end is connected on interior moisture trap, the outer circulation outlet pipe other end with follow outside
The outlet of the import connection of ring pump, outer circulation pump is connected to outer circulation water inlet by outer circulation inlet valve all the way by three-way pipe
Pipe, another way are connect through piping ejector inlet valve with the import of pipeline ejector, and the outlet of pipeline ejector is through piping
Ejector outlet valve is connected to the outer circulation water inlet pipe for being set to water distribution mixed zone, is equipped with outside multiple and follows on outer circulation water inlet pipe
Ring spray head;
Top gas separator is mounted on tank body top, and air lift tedge one end is connected at the top of interior moisture trap, air lift
The tedge other end is connected into the middle part of top gas separator by horizontal tube, and return duct one end is connected to top gas separator bottom
Portion, the return duct other end are connected to the interior cycle nozzle positioned at second order reaction area;
Two level three phase separator is arranged that top layer's each inverted V-shaped plate top is distinguished by staggered floor above and below polylith inverted V-shaped plate
It being connected to getter pipe lower end by pipeline, getter pipe upper end is connected into the middle part of top gas separator by horizontal tube,
Biogas pipe one end is connected at the top of top gas separator, and the biogas pipe other end is connected to pipeline all the way by three-way pipe
The air inlet of ejector, another way are row's biogas mouth;
Water inlet pipe is set to water distribution mixed zone, inlet valve is equipped on water inlet pipe and into sprinkler head;
The inner deflector and middle deflector are the circular arc type with tank body concentric, inner deflector and middle deflector by cloth
Water mixed zone divides inward turning confounding, middle rotation confounding and outward turning confounding successively outward from tank body center.
Further, the inner deflector is directly anchored to tank bottom, and middle deflector is fixed on tank bottom by support leg, inside leads
Flowing plate and the quantity of middle deflector >=2, the arc length of the every inner deflector and middle deflector≤quarter turn, it is each
Inner deflector is uniformly distributed circumferentially, and each middle deflector is also uniformly dispersed on circumference, and inner deflector and middle deflector are handed over
Mistake arrangement.
Further, further include control system, control system and outer circulation pump, inlet valve, mud valve, pipeline ejector into
Water valve, pipeline ejector outlet valve, the connection of outer circulation inlet valve are automatically controlled with realizing.
Further, further include taper baffle ring, the level-one three phase separator is for bigger diameter end in lower miner diameter end upper
Taper is circular passage between level-one three phase separator bigger diameter end and tube wall;Taper baffle ring is arranged below circular passage, cone
In upper miner diameter end under, taper baffle ring bigger diameter end is fixed on tube wall shape baffle ring bigger diameter end;
Further, the pipe outlet being connect with level-one three phase separator top in interior moisture trap goes out higher than outer circulation
Water pipe connect the nozzle of one end with interior moisture trap.
Further, jet direction, the jet direction into sprinkler head of the jet direction of outer circulation nozzle, interior cycle nozzle
All same and along the secant direction of tank body cross section;The horizontal tube nozzle jet direction of air lift tedge upper end is along top gas
The secant direction of separator cross section.
Further, the outer circulation water inlet pipe is cross, and outer circulation nozzle is mounted on cross outer circulation water inlet pipe
Each pipe arm on;The water inlet pipe is cross, is mounted on into sprinkler head on each pipe arm of cross water inlet pipe, cross
Outer circulation water inlet pipe and cross water inlet pipe arranged crosswise.
Further, further include annular effluent weir, annular effluent weir is arranged on the tube wall of tank body upper end, and tank body is spacious for upper end
Mouth is closed, and outlet pipe one end is connected to annular effluent weir, and the other end is connected to outside tank body.
The working method of the vortex self-circulating anaerobic reactor,
When operation, water inlet is controlled by the keying of inlet valve, enters water distribution mixed zone into sprinkler head by what water inlet pipe connected,
Water inlet can be intake with continuum micromeehanics also pulsed, and reactor can be adopted when water inlet is with interval in conjunction with operating mode and water quality characteristics
With internal vortex self-loopa operational mode or external impetus auxiliary vortex self-loopa operational mode or external impetus auxiliary enhancing whirlpool
Flow the alternate run pattern of self-loopa operational mode any one or two kinds of or three kinds;
When reactor presses internal vortex self-loopa run-mode, control inlet valve is opened, raw water by water inlet pipe and
Enter water distribution mixed zone into sprinkler head and generate biogas in first order reaction area, the gas, liquid, solid mixing water in first order reaction area passes through
Interior moisture trap rises to top gas separator by air lift tedge air lift, and solid, liquid mixing water is by return duct from interior cycle
Nozzle, which projects to enter second order reaction area mixed liquor is pushed to form vortex rotation, to sink, then sinks from circular passage that be back to level-one anti-
Area is answered, newly intakes with water distribution mixed zone and generates biogas after mixing, be stripped the first order reaction area to form reactor and two level again
The internal vortex self-loopa work of reaction zone infinitely in cycles, the biogas that first order reaction area is generated with second order reaction area pass through
Biogas pipe is drained, and is segregated into deposit exhalant region by two level three phase separator with the treated water of inflow equivalent, sludge is heavy
Shallow lake is back to second order reaction area, and clear liquid is discharged into next system from effluent weir;
When reactor is by external impetus auxiliary vortex self-loopa run-mode, outer circulation pump startup, outer circulation water inlet
Valve is opened, and pipeline ejector inlet valve, pipeline ejector outlet valve are closed, and the solid, liquid mixing water in interior moisture trap passes through
Outer circulation outlet pipe is directly accessed water distribution mixed zone from outer successively through outer circulation pump, outer circulation inlet valve by outer circulation water inlet pipe
Cycle nozzle ejects, and newly intakes with water distribution mixed zone generate biogas after mixing again, and mixing water is pushed to form vortex rotation
Rise, forms the external impetus auxiliary vortex self-loopa work in the first order reaction area of reactor;Meanwhile the generation of first order reaction area
Biogas forms gas stripping, and first order reaction area gas, liquid, solid mixing water is risen through interior moisture trap by air lift tedge air lift
To top gas separator, solid, liquid mixing water, which is projected by return duct from interior cycle nozzle, enters second order reaction area promotion mixed liquor
It forms vortex rotation to sink, then sinks to being back to first order reaction area from circular passage, synchronize the first order reaction area to form reactor
It works with the internal vortex self-loopa of second order reaction area infinitely in cycles, the extra biogas of top gas separator passes through biogas
Pipe is drained, and deposit exhalant region is segregated by two level three phase separator with the treated water of inflow equivalent;Sludge settling returns
It is flow to second order reaction area, clear liquid is discharged into next system from effluent weir;
When reactor is by external impetus auxiliary enhancing vortex self-loopa run-mode, outer circulation pump startup, outer circulation
Inlet valve is closed, and pipeline ejector inlet valve, pipeline ejector outlet valve are opened, the solid, liquid mixing water in interior moisture trap
By outer circulation outlet pipe, successively through outer circulation pump, pipeline ejector inlet valve, pipeline ejector, sucked with pipeline ejector
Biogas mixing after, then through pipeline ejector outlet valve water distribution mixed zone is directly accessed from outer circulation nozzle by outer circulation water inlet pipe
It ejects, newly intakes with water distribution mixed zone generate biogas after mixing again, and push mixing water to form vortex rotation and rise, simultaneously
Since pipeline ejector sucks the biogas of top gas separator, causes top gas separator to form lower negative pressure, not only increase one
The density contrast of mixing water in order reaction area also enhances the lifting capacity of first order reaction area gas, liquid, solid mixing water, forms reactor
First order reaction area external impetus auxiliary enhancing vortex self-loopa work;Meanwhile it sucking biogas and being formed with newly generated biogas
Gas, liquid, solid mixing water is risen to top gas separator by gas stripping through interior moisture trap by air lift tedge air lift, Gu,
Liquid mixing water is projected from interior cycle nozzle into second order reaction area by return duct pushes mixed liquor to form vortex rotation sinking, then
Sink to being back to first order reaction area from circular passage, forms first order reaction area and the unlimited Zhou Erfu in second order reaction area of reactor
The inside enhancing vortex self-loopa operational mode operating mode of beginning, the extra biogas of top gas separator drained by biogas pipe, with into
The treated water of water equivalent is segregated into deposit exhalant region by two level three phase separator, and sludge settling is back to second order reaction
Area, clear liquid are discharged into next system from effluent weir.
Compared with prior art, the advantageous effect that the present invention has:
(1) the multi-stage vortex self-loopa mass transfer of plurality of operating modes enhances system response area concentration gradient, realizes quick
Mixing, mass transfer effect is superior, and anti-load impact ability is strong, and volumetric loading is high.
(2) internal self-loopa Functional Design is ingenious, and generating density official post sludge using biogas forms the internal self-loopa of vortex,
Low energy consumption.External impetus auxiliary circulation, the gas-liquid density contrast in intensified response area quickly enhance system circulation, mixing, stirring work(
Energy.
(3) reaction zone mixed liquor forms sunk type vortex rotation, and system hydraulic shear is big, it is easier to turn out anaerobism
Grain sludge.
(4) can be started with floc sludge, it is wide to PH and temperature tolerance section.
(5) internal vortex self-loopa operational mode or external impetus auxiliary vortex self-loopa operational mode or outside can be achieved
Any one or two kinds of or three kinds alternate run patterns of power-assisted enhancing vortex self-loopa operational mode work, and are particularly suitable for
The efficient process of high, medium and low concentration sewage is applied to secondary anaerobic technique.
Description of the drawings
Fig. 1:It is vortexed self-circulating anaerobic reactor structural schematic diagram.
Fig. 2:Water distribution mixed zone structural schematic diagram.
Fig. 3:The assembly signal of taper baffle ring, level-one three phase separator, two level three phase separator, tank body and getter pipe
Figure.
In figure:1- tank bodies, 2- water distributions mixed zone, 3- first order reactions area, 4- second order reactions area, the deposit exhalant regions 5-, outside 6-
Moisture trap in circulating pump, 7-, 8- top gas separator, 9- level-ones three phase separator, 10- two levels three phase separator, outside 11-
Nozzle, cycle nozzle in 12-, 13- are recycled into sprinkler head, 14- air lifts tedge, 15- getters pipe, 16- return ducts, 17- pipelines
Revolved in ejector, 18- inward turnings confounding, 19- confounding, 20- outward turnings confounding, 21- inner deflectors, deflector in 22-, 23- effluent weirs,
24- water inlet pipes, 25- inlet valves, 26- sludge pipes, 27- mud valves, 28- outer circulations water inlet pipe, 29- pipeline ejectors inlet valve,
30- pipeline ejectors outlet valve, 31- outer circulations inlet valve, 32- outer circulations outlet pipe, 33- biogas pipes, 34- control systems.
Specific implementation mode
Further illustrate that implementation of the invention is not limited to the following example to seat of the present invention with reference to example, attached drawing.
Embodiment 1
It is vortexed self-circulating anaerobic reactor, which is columnar tank structure, tank body 1, outer circulation pump 6, interior air water
Separator 7, top gas separator 8, level-one three phase separator 9, two level three phase separator 10, pipeline ejector 17, inner deflector
21, middle deflector 22, outer circulation nozzle 11, interior cycle nozzle 12, into sprinkler head 13, air lift tedge 14, getter pipe 15, reflux
Pipe 16, water inlet pipe 24, inlet valve 25, outer circulation water inlet pipe 28, outer circulation outlet pipe 32, biogas pipe 33, control system 34;Pipeline
Ejector inlet valve 29, pipeline ejector outlet valve 30 and outer circulation inlet valve 31;
Level-one three phase separator 9 is mounted in tank body 1, and two level three phase separator 10 is mounted on level-one three-phase separate in tank body 1
Top from device 9,9 lower section of level-one three phase separator are first order reaction area 3, and the space in first order reaction area 3 to 1 bottom of tank body is cloth
Water mixed zone 2, the distance between level-one three phase separator 9 and two level three phase separator 10 are second order reaction area 4, two level three-phase separate
Space from device 10 to 1 top of tank body is deposit exhalant region 5;
Interior moisture trap 7 is mounted on 9 top of level-one three phase separator, and the top of level-one three phase separator 9 passes through pipeline
It is connected to interior moisture trap 7;32 one end of outer circulation outlet pipe is connected on interior moisture trap 7, and outer circulation outlet pipe 32 is another
One end is connect with the import of outer circulation pump 6, and the outlet of outer circulation pump 6 is passed through outer circulation inlet valve 31 by three-way pipe and connected all the way
To outer circulation water inlet pipe 28, another way is connect through piping ejector inlet valve 29 with the import of pipeline ejector 17, and pipeline is penetrated
The outlet of stream device 17 is connected to the outer circulation water inlet pipe 28 for being set to water distribution mixed zone 2 through piping ejector outlet valve 30, outside
Multiple outer circulation nozzles 11 are installed in circulation water inlet pipe 28;
Top gas separator 8 is mounted on 1 top of tank body, and 14 one end of air lift tedge is connected to 7 top of interior moisture trap,
14 other end of air lift tedge is connected into the middle part of top gas separator 8 by horizontal tube, and 16 one end of return duct is connected to top gas water
8 bottom of separator, 16 other end of return duct are connected to the interior cycle nozzle 12 positioned at second order reaction area 4;
Two level three phase separator 10 is arranged that top layer's each inverted V-shaped plate top is divided by staggered floor above and below polylith inverted V-shaped plate
It not being connected to 15 lower end of getter pipe by pipeline, 15 upper end of getter pipe is connected into the middle part of top gas separator 8 by horizontal tube,
33 one end of biogas pipe is connected to 8 top of top gas separator, and 33 other end of biogas pipe is connected all the way by three-way pipe
To the air inlet of pipeline ejector 17, another way is row's biogas mouth;
Water inlet pipe 24 is set to water distribution mixed zone 2, inlet valve 25 is equipped on water inlet pipe 24 and into sprinkler head 13;
The inner deflector and middle deflector are the circular arc type with tank body concentric, inner deflector and middle deflector by cloth
Water mixed zone divides inward turning confounding 18, middle rotation confounding 19 and outward turning confounding 20 successively outward from 1 center of tank body.
Further, the inner deflector is directly anchored to tank bottom, and middle deflector is fixed on tank bottom by support leg, inside leads
Flowing plate 21 and the quantity of middle deflector 22 >=2, arc length≤1/4 circle of the every inner deflector 21 and middle deflector 22
Week, each inner deflector 21 are uniformly distributed circumferentially, and each middle deflector 22 is also uniformly dispersed on circumference, inner deflector 21
With 22 interlaced arrangement of middle deflector.
Further, further include control system 48, control system 34 and outer circulation pump 6, inlet valve 25, mud valve 26, pipe
Road ejector inlet valve 29, pipeline ejector outlet valve 30, the connection of outer circulation inlet valve 31 are automatically controlled with realizing.
Further, further include taper baffle ring 96, the level-one three phase separator 9 is for bigger diameter end in lower miner diameter end upper
Taper, between 9 bigger diameter end of level-one three phase separator and tube wall be circular passage;Taper baffle ring 96 is arranged under circular passage
Side, in upper miner diameter end under, 96 bigger diameter end of taper baffle ring is fixed on tube wall 96 bigger diameter end of taper baffle ring;
Further, the pipe outlet being connect with 9 top of level-one three phase separator in interior moisture trap 7 is higher than outer circulation
Outlet pipe 32 connect the nozzle of one end with interior moisture trap 7.
Further, the jet direction of outer circulation nozzle 11, the jet direction of interior cycle nozzle 12, penetrating into sprinkler head 13
Flow direction all same and along the secant direction of 1 cross section of tank body;The horizontal tube nozzle jet stream of 14 upper end of air lift tedge
Secant direction of the direction along 8 cross section of top gas separator.
Further, the outer circulation water inlet pipe 28 be cross, outer circulation nozzle 11 be mounted on cross outer circulation into
On each pipe arm of water pipe 28;The water inlet pipe 24 is cross, and each of cross water inlet pipe 24 is mounted on into sprinkler head 13
On pipe arm, 24 arranged crosswise of cross outer circulation water inlet pipe 28 and cross water inlet pipe.
Further, further include annular effluent weir 23, on the tube wall of tank body upper end, tank body 1 is the setting of annular effluent weir 23
Upper end is open or closed, and outlet pipe one end is connected to annular effluent weir 23, and the other end is connected to outside tank body.
Embodiment 2
The working method of the vortex self-circulating anaerobic reactor,
When operation, water inlet is controlled by the keying of inlet valve 25, enters water distribution into sprinkler head 12 by what water inlet pipe 24 connected
Mixed zone 2, water inlet can be intake with continuum micromeehanics also pulsed, and reactor can combine operating mode and water when water inlet is with interval
Matter feature, it is auxiliary using internal vortex self-loopa operational mode or external impetus auxiliary vortex self-loopa operational mode or external impetus
Help enhancing vortex self-loopa operational mode any one or two kinds of or three kinds of alternate run pattern;
When reactor presses internal vortex self-loopa run-mode, control inlet valve 25 is opened, and raw water passes through water inlet pipe
24 and enters water distribution mixed zone 2 into sprinkler head 12 and generate biogas, the gas, liquid, solid in first order reaction area 3 in first order reaction area 3
Mixing water rises to top gas separator 8 by interior moisture trap 7 by 14 air lift of air lift tedge, and solid, liquid mixing water passes through
Return duct 16, which projects to enter second order reaction area 4 mixed liquor is pushed to form vortex rotation from interior cycle nozzle 12, to sink, then from annular
Channel sinks to being back to first order reaction area 3, newly generates biogas after water inlet mixes with water distribution mixed zone 2, is stripped to be formed instead again
The first order reaction area 3 and the internal vortex self-loopa of second order reaction area 4 infinitely in cycles for answering device work, first order reaction area 3
The biogas generated with second order reaction area 4 is drained by biogas pipe 33, passes through two level three-phase separate with the treated water of inflow equivalent
It is segregated into deposit exhalant region 5 from device 10, sludge settling is back to second order reaction area 4, and clear liquid is discharged into down from effluent weir 23
One system;
When reactor is by external impetus auxiliary vortex self-loopa run-mode, outer circulation pump 6 starts, outer circulation water inlet
Valve 31 is opened, and pipeline ejector inlet valve 29, pipeline ejector outlet valve 30 are closed, the solid, liquid mixing in interior moisture trap 7
Water, successively through outer circulation pump 6, outer circulation inlet valve 31, is directly accessed by outer circulation outlet pipe 32 by outer circulation water inlet pipe 28
Water distribution mixed zone 2 is ejected from outer circulation nozzle 11, newly generates biogas after water inlet mixes with water distribution mixed zone 2 again, and push
Mixing water forms vortex rotation and rises, and forms the external impetus auxiliary vortex self-loopa work in the first order reaction area 3 of reactor;Together
When, the biogas that first order reaction area 3 generates forms gas stripping, 3 gas, liquid, solid mixing water of first order reaction area through interior gas-water separation
Device rises to top gas separator 8 by 14 air lift of air lift tedge, and solid, liquid mixing water is by return duct 16 from interior cycle nozzle 12
Project pushes mixed liquor to form vortex rotation sinking into second order reaction area 4, then sinks to being back to first order reaction from circular passage
Area 3 synchronizes internal vortex self-loopa work of the first order reaction area 3 to form reactor with second order reaction area 4 infinitely in cycles
Make, the extra biogas of top gas separator 8 is drained by biogas pipe 33, passes through two level three-phase with the treated water of inflow equivalent
Separator 10 is segregated into deposit exhalant region 5;Sludge settling is back to second order reaction area 4, and clear liquid is discharged into from effluent weir 23
Next system;
When reactor is by external impetus auxiliary enhancing vortex self-loopa run-mode, outer circulation pump 6 starts, outer circulation
Inlet valve 31 is closed, and pipeline ejector inlet valve 29, pipeline ejector outlet valve 30 are opened, the solid, liquid in interior moisture trap 7
Mixing water is by outer circulation outlet pipe 32, successively through outer circulation pump 6, pipeline ejector inlet valve 29, pipeline ejector 17, with pipe
After the biogas mixing that road ejector 7 sucks, then through pipeline ejector outlet valve 30 water distribution is directly accessed by outer circulation water inlet pipe 28
Mixed zone 2 is ejected from outer circulation nozzle 11, newly generates biogas after water inlet mixes with water distribution mixed zone 2 again, and push mixing
Water forms vortex rotation and rises, simultaneously because pipeline ejector 17 sucks the biogas of top gas separator 8, causes top gas-water separation
Device 8 formed lower negative pressure, not only increase the density contrast of 3 mixing waters in first order reaction area, also enhance 3 air-liquid of first order reaction area,
Gu the lifting capacity of mixing water forms the external impetus auxiliary enhancing vortex self-loopa work in the first order reaction area 3 of reactor;Together
When, sucking biogas forms gas stripping with newly generated biogas, gas, liquid, solid mixing water through interior moisture trap 7 by air lift
14 air lift of riser rises to top gas separator 8, and solid, liquid mixing water, which is projected by return duct 16 from interior cycle nozzle 12, enters two
Order reaction area 4 pushes mixed liquor to form vortex rotation sinking, then sinks to being back to first order reaction area 3 from circular passage, is formed anti-
Inside enhancing vortex self-loopa operational mode operating mode of the first order reaction area 3 of device with second order reaction area 4 infinitely in cycles is answered,
The extra biogas of top gas separator 8 is drained by biogas pipe, passes through two level three phase separation with the treated water of inflow equivalent
Device 10 is segregated into deposit exhalant region 5, and sludge settling is back to second order reaction area 4, and clear liquid goes out to enter from effluent weir row 23 next
System.
Embodiment 3
Water distribution mixed zone 2, first order reaction area 3, second order reaction area 4, precipitation water outlet are disposed in tank body 1 from bottom to top
Area 5;
Water distribution mixed zone 2 is set to 9 lower part of level-one three phase separator in first order reaction area 3 to 1 bottom of tank body, accounts for tank body 1
The 1/8-1/6 of height is equipped with inward turning confounding 18, middle rotation confounding 19, outward turning confounding 20 successively outward from 1 center of tank body, and inward turning is mixed
Area 18, middle rotation confounding 19 are respectively set inner deflector 21 and middle deflector 22, and inner deflector 21 and middle deflector 22 are and tank
The circular arc type of 1 concentric of body, inner deflector 21 and 22 quantity of middle deflector >=2 groups, inner deflector 21 and middle deflector 22 are grown
It is≤1/4 circle, inner deflector 21 arranges that opposite direction is evenly arranged respectively, and inner deflector 21 is set with 22 angle≤90 ° of middle deflector
In 1 bottom of tank body, 30-150 centimetres of height, 30-100 centimetres of middle deflector 22 and 1 bottom gap of tank body, 30-150 lis of height
Outer circulation spray is respectively set in inward turning confounding 18, middle rotation confounding 19, outward turning confounding 20 in rice, outer circulation water inlet pipe 28, water inlet pipe 24
First 11 with into sprinkler head 13, and spray outlet is evenly arranged along deflector and the tangential of tank body 1 clockwise, water distribution mixed zone 2
Outer circulation water inlet pipe 28 intersects 45 ° of arrangements with water inlet pipe 24, and 28 crosswise of outer circulation water inlet pipe is arranged apart from 1 bottom 50- of tank body
150 centimetres, 24 crosswise of water inlet pipe arrangement is apart from 30-80 centimetres of 1 bottom of tank body, mud valve 27 and outer circulation water inlet pipe 28 and row
Mud pipe 26 connects.
First order reaction area 3 is set on water distribution mixed zone 2, accounts for the 1/4-1/3 of 1 height of tank body, is equipped with level-one three phase separation
Device 9, interior moisture trap 7, the taper that level-one three phase separator 9 is 30 ° -65 °, the vertex of a cone have moisture trap 7 in conduit connection
Bottom and the middle part for extending to interior moisture trap 7, interior moisture trap 7 be cylindrical structure, top be flat-top or cone structure,
7 bottom of interior moisture trap has outer circulation water inlet pipe 28 to be connect with the outer circulation pump 6 being set to outside tank body 1, interior moisture trap 7
Middle part barrel tangentially connected entrance of the air lift tedge 14 from top gas separator 8 is arranged at top.
Second order reaction area 4 is set under the deposit exhalant region 5 at 1 top of tank body, accounts for the 1/4-1/3 of 1 height of tank body, two level is anti-
Area 4 is answered to be equipped with two level three phase separator 10, two level three phase separator 10 is inverted V-shaped structure, upper and lower staggered floor arrangement, inverted V-shaped structure
For 30 ° -65 ° of pyramid, there is middle part barrel tangentially connected entrance of the getter pipe 15 from top gas separator 8 on upper layer pyramid top.
Deposit exhalant region 5 is located at the top of tank body 1 to two level three phase separator 10, accounts for the 1/8-1/6 of 1 height of tank body, is settled out
Pool 5 is equipped with effluent weir 23, includes being arranged along the uniformly distributed circle of 1 surrounding of tank body and the intersecting parallels or rice font of top surface.
Top gas separator 8 is set to 1 top of tank body, is cylindrical shape, and bottom is equipped with return duct 16 and connects second order reaction
The interior cycle nozzle 12 in area 4, interior cycle nozzle 12 are set under two level three phase separator 10, and spray outlet direction is along 1 up time of tank body
Needle is tangentially evenly arranged, interior 12 quantity >=3 group of cycle nozzle, and the top of top gas separator 8 is equipped with biogas pipe 33, and and pipeline
Ejector 17 connects.
The reactor can be started with floc sludge, and outer circulation can continuous also discontinuous operation.The reactor operation
10 DEG C -35 DEG C, pH value 3.0-9.5, volumetric loading 3.0-10.0kgCOD/m of temperature range3.d。
Inner deflector and middle deflector interlaced arrangement, it is meant that, the arcuate midway point of inner deflector and the line in the center of circle are in
The arcuate midway point of deflector and the line in the center of circle are misaligned;The arcuate midway point of optimal inner deflector and the line in the center of circle are led in
The arcuate midway point of flowing plate 31 and the line interval in the center of circle are uniform.
Cross outer circulation water inlet pipe and cross water inlet pipe arranged crosswise, it is meant that, cross outer circulation water inlet pipe and
The center of cross water inlet pipe overlaps, and the pipe arm of cross outer circulation water inlet pipe is not equal to the pipe arm angle of cross water inlet pipe
Zero, it is preferred that the pipe arm of cross outer circulation water inlet pipe and the pipe arm angle of cross water inlet pipe are 15~45 °, are followed outside level-one
It ring spray head and is uniformly distributed in every arm into sprinkler head.
Sludge pipe 26 is connect with outer circulation water inlet pipe 28, and sludge pipe 26 is equipped with mud valve 27.
The taper baffle ring is to the centroclinal face of tank body, and the solid above taper baffle ring falls to taper baffle
When above ring, slid to tank body center due to gravity.Taper baffle the ring projection on circular passage and ring from vertical direction
Shape channel overlaps, and the internal diameter of circular passage is more than the internal diameter of the projection of above-mentioned taper baffle ring, therefore taper baffle ring will be annular
Channel is blocked, and the solid below taper baffle ring can not pass through circular passage when moving straight up;So that circular passage is only capable of
Passed through by liquids and gases.For example, the solid in second order reaction area is first fallen to above level-one three phase separator vertically, along level-one
The conical surface of three phase separator slides to tank skin direction to circular passage, then falls on taper baffle ring, along taper baffle circumferential direction tank
Body center slides.