CN105060618B - Multistage dynamic biological membrane reactor - Google Patents
Multistage dynamic biological membrane reactor Download PDFInfo
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- CN105060618B CN105060618B CN201510435883.3A CN201510435883A CN105060618B CN 105060618 B CN105060618 B CN 105060618B CN 201510435883 A CN201510435883 A CN 201510435883A CN 105060618 B CN105060618 B CN 105060618B
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Abstract
The present invention is a kind of multistage dynamic biological membrane reactor, it is related to a kind of bioreactor for being applied to sewage disposal, and multistage dynamic biological membrane reactor is main to be made up of biological reaction pool part, sieve plate bracket component, sieve plate part, backwash water inlet pipe bracket component, backwash tube part, upper bearing (metal) part, lower bearing part, water inlet pipe, outlet pipe, filler.The biological reaction pool part of multistage dynamic biological membrane reactor is arranged together by several biological reaction pools, makes packing layer flexible allocation in each biological reaction pool, reduces the bed stuffing height of each biological reaction pool.Backwash tube part is installed in each biological reaction pool of multistage dynamic biological membrane reactor, using two kinds of cleaning measures of hydraulic blow packing layer and stirring packing layer, is readily cleaned packing layer.
Description
Technical field
The present invention is a kind of multistage dynamic biological membrane reactor, and it is related to a kind of biological respinse for being applied to sewage disposal
Device, more particularly to a kind of multistage dynamic biological membrane reactor.
Background technology
In traditional waste water treatment process, in aerobe reactor or anoxic bioreactor or anaerobic biological reactor
At water outlet, configuration is using second pond as device for separating mud and water.Second pond has that effluent characteristics are unstable, floor space is big etc. and lacks
Point.There is the sand filter that suspension in water removal is removed using in-depth filtration principle in water treatment facilities, and water removal is gone using microorganism
The biofilm reactor of middle organic matter.The medium for being filtrate, being in-depth filtration loaded in sand filter.Filled in biofilm reactor
What is filled out is filler, for attached microbial.In traditional sewage treatment process, can uniquely carry out biodegradable and retention and suspend
The equipment of thing is BAF, and BAF requires that the suspension content in its water inlet is controlled within the specific limits,
Need using the pre-processing device for thering is higher position to manage effect to suspension.If the concentration of suspension of BAF water inlet is too
Height, easily causes filtrate conglomeration, blocks.The biomembrane of BAF can only self falling, excess sludge is difficult to drain, stagnant
Stay in and easily cause water quality deterioration between filtrate, influence treatment effect.
Sand filter and biofilm reactor have a general character, are exactly that filtrate or filler need anti-cleaning, the filtrate of sand filter
Needing suspension in the water of cleaning retention, the filler of biofilm reactor not only needs to clean suspension in the water for retaining, also needs
Clean the biomembrane come off after microorganism death.In order to solve the water outlet of the biological respinse efficiency and stabilization of sewage disposal system
The contradiction of quality, can configure biology behind aerobe reactor or anoxic bioreactor or anaerobic biological reactor
Membrane reactor.Biofilm reactor is used to retain the suspension in water outlet and removes the organic matter of remnants in water outlet.Due to biology
The bed stuffing height of membrane reactor and effluent characteristics positive correlation, and bed stuffing height is negatively correlated with the cleaning performance of filler, so
It is a kind of can effectively distribute bed stuffing height and easy cleaned biofilm reactor be the technique key equipment.
The content of the invention
The purpose of the present invention is to overcome the difficult cleaning of defect of biofilm reactor in traditional wastewater processing system, there is provided one
Planting can effectively distribute bed stuffing height and easy cleaned multistage dynamic biological membrane reactor.Embodiment of the present invention is such as
Under：
It is characterized in multistage dynamic biological membrane reactor main by biological reaction pool part, sieve plate cradle portion that the present invention is total
Part, sieve plate part, backwash water inlet pipe bracket component, backwash tube part, upper bearing (metal) part, lower bearing part, water inlet pipe, go out
Water pipe, filler composition.Biological reaction pool part is arranged together by several biological reaction pools, claims respectively according to the position of arrangement
It is one-level biological reaction pool, two stage biological reaction tank, each biological reaction pool inwall is provided with sieve plate bracket component, sieve plate portion
Part is arranged on sieve plate bracket component, and each biological reaction pool bottom of pond is provided with lower bearing part, in the middle of sieve plate bracket component
Upper bearing (metal) part is installed, backwash tube part is arranged between lower bearing part and upper bearing (metal) part, upper bearing (metal) part it is upper
There is backwash water inlet pipe at end, and backwash water inlet pipe bracket component, backwash are provided with the upside of each biological reaction pool inwall
Water inlet pipe is fixed on backwash water inlet pipe bracket component, the downward space filling of each biological reaction pool inwall sieve plate part
There is filler, each biological reaction pool inwall has one to enter water distribution passages, be referred to as one-level and enter water distribution passages, two grading
Water distribution passages, water inlet pipe enters the upper surface of water distribution passages installed in one-level, and two grading water distribution passages are biological with one-level anti-
There is a primary effluent hole on pool wall between Ying Chi, outlet pipe is arranged on the pool wall of two stage biological reaction tank.
The material of each biological reaction pool is armored concrete, or fiberglass, or stainless steel, or carbon
Steel.The horizontal cross-section of each biological reaction pool is rectangle, and several biological reaction pools are arranged together, according to the position of arrangement
It is referred to as one-level biological reaction pool, two stage biological reaction tank.One-level biological reaction pool inwall has an one-level water inlet distribution logical
Road, water inlet pipe enters the upper surface of water distribution passages installed in one-level, and the upper surface that one-level enters water distribution passages is biological higher than one-level
The one-level biological respinse pit level of reaction tank inner chamber, also, one-level enters the upper surface of water distribution passages higher than one-level water inlet distribution
The one-level water inlet liquid level of channel lumen, one-level is entered between the lower surface of water distribution passages and one-level biological reaction pool bottom of pond one section
Distance, makes one-level enter water distribution passages inner chamber and one-level biological reaction pool intracavity inter-connection.
Two stage biological reaction tank inwall has a two grading water distribution passages, and two grading water distribution passages are biological with one-level anti-
There is a primary effluent hole on pool wall between Ying Chi, the upper surface of two grading water distribution passages is higher than in one-level biological reaction pool
The one-level biological respinse pit level in chamber, has one section between the lower surface of two grading water distribution passages and two stage biological reaction tank bottom of pond
Distance, makes two grading water distribution passages inner chambers and two stage biological reaction tank intracavity inter-connection.It is anti-that outlet pipe is arranged on two stage biological
On the pool wall of Ying Chi, the level height of the level height less than primary effluent hole of outlet pipe.
Each biological reaction pool inwall is provided with sieve plate bracket component, and sieve plate bracket component is main by retainer plate, sieve plate
Support, sieve plate crossbeam composition.Fixed ring cross-section is in T shape, and retainer plate is in semi-enclosed rectangle, and retainer plate is arranged on biological respinse
Pond inwall, the level height of the level height less than outlet pipe of retainer plate, retainer plate is entering at water distribution passages inwall to disconnect.Gu
There are several internal thread holes on fixed circle.Several sieve plate supports are welded with retainer plate, sieve plate support is made up of angle steel, sieve plate branch
There are several internal thread holes on frame.Sieve plate crossbeam is made up of angle steel, there is several internal thread holes and several spiral shells on sieve plate crossbeam
Nail.Sieve plate crossbeam is fixed by screws on sieve plate support.
Sieve plate part is made up of several sieve plates, and the centre of sieve plate is sieve aperture area, there is several screw holes around sieve plate,
Sieve plate part is arranged on sieve plate bracket component by screw.
The downward space of each biological reaction pool inwall sieve plate part is filled with filler, and filler uses light filler, fills out
Material density is less than water, and in the presence of buoyancy, filler is deposited in the downward space of sieve plate part and forms packing layer.Under packing layer
There is a segment distance between end face and biological reaction pool bottom of pond, 1/3rd of the distance more than bed stuffing height.
Each biological reaction pool bottom of pond is provided with lower bearing part, and lower bearing part is main solid by bearing holder (housing, cover), bearing holder (housing, cover)
Fixed tube, gusset, bottom plate composition.Bottom plate is rectangular, there is several screw holes, bearing holder (housing, cover) fixing pipe around bottom plate
Cylindrical, a bearing holder (housing, cover) fixing pipe is welded on the upper surface of bottom plate, and several gussets are welded on bearing holder (housing, cover) fixing pipe
Outer surface and the angle of bottom plate upper surface.
Bearing holder (housing, cover) is cylindrical, and bearing holder (housing, cover) has axle along the outer surface that axis direction has bearing holder (housing, cover) axis hole, bearing holder (housing, cover) one end
Bearing sleeve boss.One bearing holder (housing, cover) is by the way of interference fit in the bearing holder (housing, cover) fixing pipe of lower bearing part.
Upper bearing (metal) part is installed, upper bearing (metal) part is main by bearing holder (housing, cover), bearing holder (housing, cover) in the middle of each sieve plate bracket component
Fixing pipe, gusset, upper mounted plate, backwash water inlet pipe composition.Upper mounted plate is rectangular, there is a through hole in the middle of upper mounted plate,
There are several screw holes around upper mounted plate, there are a flange, the other end welding of backwash water inlet pipe in backwash water inlet pipe one end
In through hole in the middle of upper mounted plate, bearing holder (housing, cover) fixing pipe is cylindrical, and a bearing holder (housing, cover) fixing pipe is welded on upper mounted plate
Lower surface, several gussets are welded on the angle that bearing holder (housing, cover) fixes tube outer surface and upper mounted plate lower surface.One bearing holder (housing, cover)
By the way of interference fit in the bearing holder (housing, cover) fixing pipe of upper bearing (metal) part.
Backwash tube part it is main by nozzle, it is pipe plug, lower retaining ring, central tube, threeway, connecting branch, upper retaining ring, solid
Determine muscle, backwash branch pipe composition.By several pipes together with several three-way weldings, central tube upper end is upper axle to central tube
Head, upper spindle nose lower end is welded with retaining ring, and central tube lower end is lower spindle nose, and lower spindle nose inwall is welded with pipe plug, on lower spindle nose
End is welded with lower retaining ring.There are several backwash branch pipes around central tube, backwash branch pipe is by two pipes and one three
Logical to weld together, backwash branch pipe upper end inwall is welded with pipe plug, and backwash branch pipe lower end inner wall is welded with pipe plug, backwashes
Several nozzles are welded with branch pipe, the threeway in the middle of backwash branch pipe is by connecting branch and a three-way welding of central tube
Together, the axis of several nozzles is in a certain angle with the axis of connecting branch on backwash branch pipe.Several backwash branch
The direction of all nozzles is each along direction clockwise or counter-clockwise on pipe.The upper end of two neighboring backwash branch pipe is with
End is welded together with fixing muscle.
The upper spindle nose of backwash tube part is arranged in the bearing holder (housing, cover) of upper bearing (metal) part, the lower spindle nose peace of backwash tube part
In the bearing holder (housing, cover) of lower bearing part, under external force, backwash tube part can be in lower bearing part and upper bearing portion
Rotated between part.
Backwash water inlet pipe bracket component, backwash water inlet pipe holder are installed on the upside of each biological reaction pool inwall
Part is mainly made up of water inlet pipe holder, water inlet pipe crossbeam, U bolt.Water inlet pipe holder is made up of angle steel, on water inlet pipe holder
There are several internal thread holes, water inlet pipe holder is fixed on the upside of biological reaction pool inwall.Water inlet pipe crossbeam is made up of angle steel, enters
There are several screw holes on water pipe crossbeam.Water inlet pipe crossbeam is fixed by screws in on water pipe holder.By U bolt,
Backwash water inlet pipe is fixed on the water inlet pipe crossbeam of backwash water inlet pipe bracket component.
The biofilm process of multistage dynamic biological membrane reactor is：
Water flows into one-level and enters water distribution passages inner chamber from water inlet pipe, and water enters water distribution passages lower surface and enters through one-level
Enter the cavity of resorption of the one-level biological reaction pool below packing layer lower surface, water is upward through packing layer, a part suspends in water
Thing and the filled layer of microorganism are intercepted, and the microorganism in packing layer decomposes the organic matter in water, and microorganism is attached to filler
Surface, produces into biomembrane, and biomembrane forms cubic network in packing layer.
Water continues across the sieve aperture area in the middle of sieve plate, into sieve plate part more than one-level biological reaction pool epicoele,
When level height of the one-level biological respinse pit level higher than primary effluent hole, the water of one-level biological reaction pool epicoele passes through one
Level apopore flows into two grading water distribution passages inner chambers, and water enters under packing layer through two grading water distribution passages lower surfaces
The cavity of resorption of the two stage biological reaction tank below end face, water is upward through packing layer, a part of suspension and microorganism in water
Filled layer is intercepted, and the microorganism in packing layer decomposes the organic matter in water, and microorganism is attached to filler surface, generation life
Thing film, biomembrane forms cubic network in packing layer.
Water continues across the sieve aperture area in the middle of sieve plate, into sieve plate part more than two stage biological reaction tank epicoele,
When level height of the two stage biological reaction pit level higher than outlet pipe, the water of two stage biological reaction tank epicoele passes through outlet pipe
The multistage dynamic biological membrane reactor of discharge.The effluent characteristics that multistage dynamic biological membrane reactor biofilm process is produced are unable to reach row
Put standard, it should be back to the prime equipment of multistage dynamic biological membrane reactor in sewage disposal system.
The running of multistage dynamic biological membrane reactor is：
With the success of multistage dynamic biological membrane reactor biofilm, water increases through the resistance of packing layer, and one-level enters aqueous
The level height of position is gradually increasing, until one-level water inlet liquid level can overcome water with the liquid level difference of one-level biological respinse pit level
Through the resistance of packing layer, meanwhile, the level height of two grading aqueous positions is gradually increasing, until two grading aqueous positions and two grades of lifes
The liquid level difference of thing reaction pit level can overcome water through the resistance of packing layer, multistage dynamic biological membrane reactor to enter operation
State.
Water flows into one-level and enters water distribution passages inner chamber from water inlet pipe, and water enters water distribution passages lower surface and enters through one-level
Enter the cavity of resorption of the one-level biological reaction pool below packing layer lower surface, water is upward through packing layer, the biomembrane in packing layer
A part of suspension in water is intercepted, and decomposes a part of organic matter.Water continues across the sieve aperture area in the middle of sieve plate, into sieve
The epicoele of one-level biological reaction pool more than board member.
The water of one-level biological reaction pool epicoele flows into two grading water distribution passages inner chambers, water through primary effluent hole
The cavity of resorption of the two stage biological reaction tank entered below packing layer lower surface through two grading water distribution passages lower surfaces, water is upward
Through packing layer, the biomembrane in packing layer intercepts a part of suspension in water, and decomposes a part of organic matter.Water continues
Through the sieve aperture area in the middle of sieve plate, into sieve plate part more than two stage biological reaction tank epicoele.On two stage biological reaction tank
The water in chamber discharges multistage dynamic biological membrane reactor by outlet pipe.What multistage dynamic biological membrane reactor running was produced
Effluent characteristics can reach discharge standard, and water outlet can be recycled as reclaimed water.
The backwash process of multistage dynamic biological membrane reactor is：
As the suspension that biomembrane in packing layer is intercepted increases, and biomembrane is aging comes off, and water passes through packing layer
Resistance gradually increase, one-level water inlet liquid level level height be gradually increasing, until one-level water inlet liquid level level height reach
One-level enters the upper surface of water distribution passages, now into the backwash state of multistage dynamic biological membrane reactor.
The valve installed on water inlet pipe is closed, the valve installed on backwash water inlet pipe is opened, backwash pump is started.Instead
Flushing water enters in backwash tube part from backwash water inlet pipe, and backwashing water is each passed through several connecting branches from central tube
In distribution to several backwash branch pipes, backwashing water is ejected from all of nozzle, and backwashing water impact packing layer makes
Packing layer expands downwards, and makes the unordered disturbance of filler particles.Backwashing water promotes backwash tube part along backwash tube simultaneously
Part direction of rotation rotates, and backwash tube part serves as agitator effect, filler particles phase mutual friction, being attached to filler surface
Suspension and aging biomembrane strip down, backwashing water pass through primary effluent hole, two grading water distribution passages and water outlet
The multistage dynamic biological membrane reactor of pipe discharge.The effluent characteristics that multistage dynamic biological membrane reactor backwash process is produced cannot reach
To discharge standard, it should be back to the prime equipment of multistage dynamic biological membrane reactor in sewage disposal system.
After the backwash process of multistage dynamic biological membrane reactor terminates, the valve installed on backwash water inlet pipe is closed,
Stop backwash pump, open the valve installed on water inlet pipe, light filler floats to the lower surface of sieve plate part, piles up again
Into packing layer.Now, suspension only a small amount of in packing layer and microorganism are evenly distributed in packing layer, a part in water
Suspension and the filled layer of microorganism are intercepted, and the microorganism in packing layer decomposes the organic matter in water, and microorganism is attached to
Filler surface, generates biomembrane, multistage dynamic biological membrane reactor is entered the biofilm process of next circulation.
The biological reaction pool part of multistage dynamic biological membrane reactor is arranged together by several biological reaction pools, makes to fill out
Bed of material flexible allocation reduces the bed stuffing height of each biological reaction pool in each biological reaction pool.Multistage dynamic biological film
Backwash tube part is installed in each biological reaction pool of reactor, using hydraulic blow packing layer and the two of stirring packing layer
Cleaning measure is planted, packing layer is readily cleaned.
Brief description of the drawings
Figure of description is the schematic diagram and structure chart of multistage dynamic biological membrane reactor.Wherein Fig. 1 is that multistage dynamic is raw
The workflow schematic diagram of thing membrane reactor.Fig. 2 is the back flush schematic flow sheet of multistage dynamic biological membrane reactor.Fig. 3
It is the axonometric drawing of multistage dynamic biological membrane reactor.Fig. 4 is the isometric cutaway view of multistage dynamic biological membrane reactor.Fig. 5 is raw
The isometric cutaway view of thing reaction tank part.Fig. 6 is the parts that every one-level biological reaction pool inwall is installed, including sieve plate cradle portion
Part, sieve plate part, backwash tube bracket component, backwash tube part, upper bearing (metal) part, lower bearing part.Fig. 7 is sieve plate support
Part axonometric drawing.Fig. 8 is sieve plate part axonometric drawing.Fig. 9 is backwash tube part and lower bearing part and the dress of upper bearing (metal) part
Axonometric drawing with relation.Figure 10 is the axonometric drawing of backwash tube part.Figure 11 is the axonometric drawing for backwashing water inlet pipe bracket component.
Figure 12 is the isometric cutaway view of upper bearing (metal) part.Figure 13 is the axonometric drawing of lower bearing part.Figure 14 is the axonometric drawing of bearing holder (housing, cover).
The biological reaction pool of the multistage dynamic biological membrane reactor that Fig. 1 to Fig. 5 draws has two, is two-stage dynamic biological
Membrane reactor.
One-level is labeled with figure and enters water distribution passages 1, one-level biological reaction pool 2, backwash tube part 3, lower bearing part
4th, packing layer lower surface 5, two grading water distribution passages 6, two stage biological reaction tank 7, sieve plate bracket component 8, upper bearing (metal) part 9,
Sieve plate part 10, backwash water inlet pipe bracket component 11, water 12, water inlet pipe 13, one-level water inlet liquid level 14, backwash water inlet pipe
15th, backwashing water 16, one-level biological respinse pit level 17, primary effluent hole 18, two grading aqueous positions 19, two stage biological reaction tank
Liquid level 20, outlet pipe 21, backwash tube part direction of rotation 22, nozzle 23, sieve plate support 24, sieve plate crossbeam 25, sieve plate 26, pipe
Stifled 27, lower spindle nose 28, lower retaining ring 29, central tube 30, threeway 31, connecting branch 32, upper retaining ring 33, upper spindle nose 34, fixation
Muscle 35, backwash branch pipe 36, water inlet pipe holder 37, water inlet pipe crossbeam 38, U bolt 39, bearing holder (housing, cover) 40, bearing holder (housing, cover) fixing pipe
41st, gusset 42, upper mounted plate 43, bottom plate 44, retainer plate 45.
Specific embodiment
The present invention is further discussed below below in conjunction with the accompanying drawings.
Reference picture 1, Fig. 2, Fig. 3, Fig. 4, Fig. 5 and Fig. 6, multistage dynamic biological membrane reactor is main by biological reaction pool portion
Part, sieve plate bracket component 8, sieve plate part 10, backwash water inlet pipe bracket component 11, backwash tube part 3, upper bearing (metal) part 9,
Lower bearing part 4, water inlet pipe 13, outlet pipe 21, filler composition.Biological reaction pool part is arranged in by several biological reaction pools
Together, one-level biological reaction pool 2, two stage biological reaction tank 7 are referred to as according to the position of arrangement, in each biological reaction pool
Wall is provided with sieve plate bracket component 8, and sieve plate part 10 is arranged on sieve plate bracket component 8, each biological reaction pool bottom of pond peace
Equipped with lower bearing part 4, upper bearing (metal) part 9 is installed in the middle of sieve plate bracket component 8, backwash tube part 3 is arranged on lower bearing
Between part 4 and upper bearing (metal) part 9, there are backwash water inlet pipe 15, each biological reaction pool inwall in the upper end of upper bearing (metal) part 9
Upside backwash water inlet pipe bracket component 11 is installed, backwash water inlet pipe 15 is fixed on backwash water inlet pipe bracket component 11
On, the downward space of each biological reaction pool inwall sieve plate part 10 is filled with filler, and each biological reaction pool inwall has
One is entered water distribution passages, is referred to as one-level and is entered water distribution passages 1, two grading water distribution passages 6, and water inlet pipe 13 is arranged on one
The upper surface of grading water distribution passages 1, has one on the pool wall between two grading water distribution passages 6 and one-level biological reaction pool 2
Primary effluent hole 18, outlet pipe 21 is arranged on the pool wall of two stage biological reaction tank 7.
The material of each biological reaction pool is armored concrete, or fiberglass, or stainless steel, or carbon
Steel.The horizontal cross-section of each biological reaction pool is rectangle, and several biological reaction pools are arranged together, according to the position of arrangement
It is referred to as one-level biological reaction pool 2, two stage biological reaction tank 7.The inwall of one-level biological reaction pool 2 has an one-level water inlet distribution
Passage 1, water inlet pipe 13 enters the upper surface of water distribution passages 1 installed in one-level, and the upper surface that one-level enters water distribution passages 1 is higher than one
The one-level biological respinse pit level 17 of level biological reaction pool 2 inner chamber, also, one-level enters the upper surface of water distribution passages 1 higher than one
The one-level water inlet liquid level 14 of the inner chamber of grading water distribution passages 1, one-level enters lower surface and the one-level biological reaction pool of water distribution passages 1
There is a segment distance between 2 bottom of pond, one-level is entered the inner chamber of water distribution passages 1 and the intracavity inter-connection of one-level biological reaction pool 2.
The inwall of two stage biological reaction tank 7 has a two grading water distribution passages 6, and two grading water distribution passages 6 are given birth to one-level
There is a primary effluent hole 18 on pool wall between thing reaction tank 2, the upper surface of two grading water distribution passages 6 is biological higher than one-level
The one-level biological respinse pit level 17 of the inner chamber of reaction tank 2, lower surface and the two stage biological reaction tank 7 of two grading water distribution passages 6
There is a segment distance between bottom of pond, make the inner chamber of two grading water distribution passages 6 and the intracavity inter-connection of two stage biological reaction tank 7.Outlet pipe
21 are arranged on the pool wall of two stage biological reaction tank 7, the level height of the level height less than primary effluent hole 18 of outlet pipe 21.
Reference picture 4, Fig. 6 to Figure 14, each biological reaction pool inwall is provided with sieve plate bracket component 8, sieve plate cradle portion
Part 8 is mainly made up of retainer plate 45, sieve plate support 24, sieve plate crossbeam 25.The section of retainer plate 45 is in T shape, and retainer plate 45 is in half
The rectangle of closing, retainer plate 45 is arranged on biological reaction pool inwall, the level of the level height less than outlet pipe 21 of retainer plate 45
Highly, retainer plate 45 is entering at water distribution passages inwall to disconnect.There are several internal thread holes on retainer plate 45.Welded on retainer plate 45
Several sieve plate supports 24 are connected to, sieve plate support 24 is made up of angle steel, there are several internal thread holes on sieve plate support 24.Sieve plate is horizontal
Beam 25 is made up of angle steel, there is several internal thread holes and several screw holes on sieve plate crossbeam 25.Sieve plate crossbeam 25 passes through screw
It is fixed on sieve plate support 24.
Sieve plate part 10 is made up of several sieve plates 26, and the centre of sieve plate 26 is sieve aperture area, has some around sieve plate 26
Individual screw hole, is arranged on sieve plate part 10 on sieve plate bracket component 8 by screw.
The downward space of each biological reaction pool inwall sieve plate part 10 is filled with filler, and filler uses light filler,
Packing density is less than water 12, and in the presence of buoyancy, filler is deposited in the downward space of sieve plate part 10 and forms packing layer.Fill out
There is a segment distance between bed of material lower surface 5 and biological reaction pool bottom of pond, 1/3rd of the distance more than bed stuffing height.
Each biological reaction pool bottom of pond is provided with lower bearing part 4, and lower bearing part 4 is main by bearing holder (housing, cover) 40, bearing
Set fixing pipe 41, gusset 42, bottom plate 44 are constituted.Bottom plate 44 is rectangular, there is several screws around bottom plate 44
Hole, bearing holder (housing, cover) fixing pipe 41 is cylindrical, and a bearing holder (housing, cover) fixing pipe 41 is welded on the upper surface of bottom plate 44, several muscle
Plate 42 is welded on the angle of the outer surface of bearing holder (housing, cover) fixing pipe 41 and the upper surface of bottom plate 44.
Bearing holder (housing, cover) 40 is cylindrical, and bearing holder (housing, cover) 40 has bearing holder (housing, cover) axis hole, the appearance of the one end of bearing holder (housing, cover) 40 along axis direction
There is bearing holder (housing, cover) boss in face.One bearing holder (housing, cover) 40 is arranged on the bearing holder (housing, cover) fixing pipe of lower bearing part 4 by the way of interference fit
In 41.
Upper bearing (metal) part 9 is installed, upper bearing (metal) part 9 is main by bearing holder (housing, cover) 40, axle in the middle of each sieve plate bracket component 8
Bearing sleeve fixing pipe 41, gusset 42, upper mounted plate 43, backwash water inlet pipe 15 are constituted.Upper mounted plate 43 is rectangular, upper mounted plate 43
There is a through hole centre, there is several screw holes around upper mounted plate 43, and there is a flange backwash water inlet pipe 15 one end, recoils
Wash in the through hole that the other end of water inlet pipe 15 is welded in the middle of upper mounted plate 43, bearing holder (housing, cover) fixing pipe 41 is cylindrical, a bearing
Set fixing pipe 41 is welded on the lower surface of upper mounted plate 43, several gussets 42 be welded on the outer surface of bearing holder (housing, cover) fixing pipe 41 with it is upper
The angle of the lower surface of fixed plate 43.One bearing holder (housing, cover) 40 is arranged on the bearing of upper bearing (metal) part 9 by the way of interference fit
In set fixing pipe 41.
Backwash tube part 3 is main by nozzle 23, pipe plug 27, lower retaining ring 29, central tube 30, threeway 31, connecting branch
32nd, upper retaining ring 33, fixing muscle 35, backwash branch pipe 36 are constituted.Central tube 30 is welded by several pipes and several threeways 31
It is connected together, the upper end of central tube 30 is upper spindle nose 34, and the lower end of upper spindle nose 34 is welded with retaining ring 33, under the lower end of central tube 30 is
Spindle nose 28, the lower inwall of spindle nose 28 is welded with pipe plug 27, and the lower upper end of spindle nose 28 is welded with lower retaining ring 29.Have around central tube 30
Several backwash branch pipes 36, backwash branch pipe 36 is welded together by two pipes and a threeway 31, backwashes branch pipe 36
Upper end inwall is welded with pipe plug 27, and the backwash lower end inner wall of branch pipe 36 is welded with pipe plug 27, if being welded with backwash branch pipe 36
Dry nozzle 23, the threeway 31 in the middle of backwash branch pipe 36 is welded on by connecting branch 32 with a threeway 31 of central tube 30
Together, the axis of several nozzles 23 is in a certain angle with the axis of connecting branch 32 on backwash branch pipe 36.Several recoils
The direction of all nozzles 23 on branch pipe 36 is washed each along direction clockwise or counter-clockwise.Two neighboring backwash branch pipe 36
Top and bottom fixing muscle 35 weld together.
The upper spindle nose 34 of backwash tube part 3 is arranged in the bearing holder (housing, cover) 40 of upper bearing (metal) part 9, backwash tube part 3
Lower spindle nose 28 is arranged in the bearing holder (housing, cover) 40 of lower bearing part 4, and under external force, backwash tube part 3 can be in lower bearing
Rotated between part 4 and upper bearing (metal) part 9.
Backwash water inlet pipe bracket component 11 is installed on the upside of each biological reaction pool inwall, water inlet pipe branch is backwashed
Frame part 11 is mainly made up of water inlet pipe holder 37, water inlet pipe crossbeam 38, U bolt 39.Water inlet pipe holder 37 is made up of angle steel,
There are several internal thread holes on water inlet pipe holder 37, water inlet pipe holder 37 is fixed on the upside of biological reaction pool inwall.Water inlet pipe
Crossbeam 38 is made up of angle steel, there is several screw holes on water inlet pipe crossbeam 38.Water inlet pipe crossbeam 38 is fixed by screws in into water
On pipe holder 37.By U bolt 39, backwash water inlet pipe 15 is fixed on the water inlet pipe of backwash water inlet pipe bracket component 11
On crossbeam 38.
Reference picture 1, the biofilm process of multistage dynamic biological membrane reactor is：
Water 12 flows into one-level and enters the inner chamber of water distribution passages 1 from water inlet pipe 13, and water 12 enters water distribution passages 1 through one-level
Lower surface enters the cavity of resorption of one-level biological reaction pool 2 of the packing layer lower surface below 5, and water 12 is upward through packing layer, water
A part of suspension and the filled layer of microorganism are intercepted in 12, and the microorganism in packing layer decomposes the organic matter in water 12,
Microorganism is attached to filler surface, produces into biomembrane, and biomembrane forms cubic network in packing layer.
Water 12 continues across the sieve aperture area in the middle of sieve plate 26, into the one-level biological reaction pool 2 of sieve plate part more than 10
Epicoele, when one-level biological respinse pit level 17 higher than primary effluent hole 18 level height when, the epicoele of one-level biological reaction pool 2
Water 12 flow into two grading water distribution passages 6 inner chambers through primary effluent hole 18, water 12 passes through two grading water distribution passages
6 lower surfaces enter the cavity of resorption of two stage biological reaction tank 7 of the packing layer lower surface below 5, and water 12 is upward through packing layer, water
A part of suspension and the filled layer of microorganism are intercepted in 12, and the microorganism in packing layer decomposes the organic matter in water 12,
Microorganism is attached to filler surface, generates biomembrane, and biomembrane forms cubic network in packing layer.
Water 12 continues across the sieve aperture area in the middle of sieve plate 26, into the two stage biological reaction tank 7 of sieve plate part more than 10
Epicoele, when two stage biological reaction pit level 20 higher than outlet pipe 21 level height when, the pond of the epicoele of two stage biological reaction tank 7
Water 12 discharges multistage dynamic biological membrane reactor by outlet pipe 21.What multistage dynamic biological membrane reactor biofilm process was produced goes out
Water quality is unable to reach discharge standard, it should which the prime for being back to multistage dynamic biological membrane reactor in sewage disposal system sets
It is standby.
Reference picture 1, the running of multistage dynamic biological membrane reactor is：
With the success of multistage dynamic biological membrane reactor biofilm, water 12 increases through the resistance of packing layer, one-level water inlet
The level height of liquid level 14 is gradually increasing, until one-level water inlet liquid level 14 can with the liquid level difference of one-level biological respinse pit level 17
Overcome water 12 through the resistance of packing layer, meanwhile, the level height of two grading aqueous positions 19 is gradually increasing, until two grades of water inlets
Liquid level 19 can overcome water 12 through the resistance of packing layer with the liquid level difference of two stage biological reaction pit level 20, and multistage dynamic is raw
Thing membrane reactor enters running status.
Water 12 flows into one-level and enters the inner chamber of water distribution passages 1 from water inlet pipe 13, and water 12 enters water distribution passages 1 through one-level
Lower surface enters the cavity of resorption of one-level biological reaction pool 2 of the packing layer lower surface below 5, and water 12 is upward through packing layer, filler
Biomembrane in layer intercepts a part of suspension in water 12, and decomposes a part of organic matter.Water 12 continues across sieve plate 26
Middle sieve aperture area, into the epicoele of the one-level biological reaction pool 2 of sieve plate part more than 10.
The water 12 of the epicoele of one-level biological reaction pool 2 is flowed into two grading water distribution passages 6 through primary effluent hole 18
Chamber, water 12 enters two stage biological reaction tank 7 of the packing layer lower surface below 5 through the lower surface of two grading water distribution passages 6
Cavity of resorption, water 12 is upward through packing layer, and the biomembrane in packing layer intercepts a part of suspension in water 12, and decomposes one
Divide organic matter.Water 12 continues across the sieve aperture area in the middle of sieve plate 26, into the two stage biological reaction tank 7 of sieve plate part more than 10
Epicoele.The water 12 of the epicoele of two stage biological reaction tank 7 discharges multistage dynamic biological membrane reactor by outlet pipe 21.Multistage is dynamic
The effluent characteristics that state biofilm reactor running is produced can reach discharge standard, and water outlet can circulate profit as reclaimed water
With.
Referring to Figures 1 and 2, the backwash process of multistage dynamic biological membrane reactor is：
As the suspension that biomembrane in packing layer is intercepted increases, and biomembrane is aging comes off, and water 12 passes through filler
The resistance of layer gradually increases, and the level height of one-level water inlet liquid level 14 is gradually increasing, until the level of one-level water inlet liquid level 14 is high
Degree reaches the upper surface that one-level enters water distribution passages 1, now into the backwash state of multistage dynamic biological membrane reactor.
The valve installed on water inlet pipe 13 is closed, the valve installed on backwash water inlet pipe 15 is opened, backwashing water is started
Pump.Backwashing water 16 enters in backwash tube part 3 from backwash water inlet pipe 15, and backwashing water 16 is each passed through from central tube 30
Several connecting branches 32 are distributed into several backwash branch pipes 36, and backwashing water 16 is ejected from all of nozzle 23
Come, the impact packing layer of backwashing water 16 makes packing layer expand downwards, and make the unordered disturbance of filler particles.Backwashing water 16 is simultaneously
Backwash tube part 3 is promoted to be rotated along backwash tube part direction of rotation 22, backwash tube part 3 serves as agitator effect,
Filler particles phase mutual friction, strips down the suspension for being attached to filler surface and aging biomembrane, and backwashing water 16 is worn
Cross primary effluent hole 18, two grading water distribution passages 6 and outlet pipe 21 and discharge multistage dynamic biological membrane reactor.Multistage dynamic is raw
The effluent characteristics that thing membrane reactor backwash process is produced are unable to reach discharge standard, it should be back to many in sewage disposal system
The prime equipment of level dynamic biological membrane reactor.
After the backwash process of multistage dynamic biological membrane reactor terminates, the valve installed on backwash water inlet pipe 15 is closed
Door, stops backwash pump, opens the valve installed on water inlet pipe 13, and light filler floats to the lower surface of sieve plate part 10,
Again it is piled into packing layer.Now, suspension only a small amount of in packing layer and microorganism are evenly distributed in packing layer, water
A part of suspension and the filled layer of microorganism are intercepted in 12, and the microorganism in packing layer decomposes the organic matter in water 12,
Microorganism is attached to filler surface, generates biomembrane, multistage dynamic biological membrane reactor is entered the biofilm mistake of next circulation
Journey.
The biological reaction pool part of multistage dynamic biological membrane reactor is arranged together by several biological reaction pools, makes to fill out
Bed of material flexible allocation reduces the bed stuffing height of each biological reaction pool in each biological reaction pool.Multistage dynamic biological film
Backwash tube part 3 is installed in each biological reaction pool of reactor, using hydraulic blow packing layer and stirring packing layer
Two kinds of cleaning measures, are readily cleaned packing layer.
Claims (1)
1. a kind of multistage dynamic biological membrane reactor, it is characterised in that multistage dynamic biological membrane reactor is main by biological reaction pool
Part, sieve plate bracket component (8), sieve plate part (10), backwash water inlet pipe bracket component (11), backwash tube part (3), on
Parts of bearings (9), lower bearing part (4), water inlet pipe (13), outlet pipe (21), filler composition；Biological reaction pool part is by some
Individual biological reaction pool is arranged together, and one-level biological reaction pool (2), two stage biological reaction tank are referred to as according to the position of arrangement
(7), each biological reaction pool inwall is provided with sieve plate bracket component (8), and sieve plate part (10) is installed in sieve plate bracket component
(8) on, each biological reaction pool bottom of pond is provided with the middle of lower bearing part (4), sieve plate bracket component (8) and is provided with upper bearing (metal)
Part (9), backwash tube part (3) between lower bearing part (4) and upper bearing (metal) part (9), upper bearing (metal) part (9)
There is backwash water inlet pipe (15) upper end, and backwash water inlet pipe bracket component is provided with the upside of each biological reaction pool inwall
(11), backwash water inlet pipe (15) is fixed in backwash water inlet pipe bracket component (11), each biological reaction pool inwall sieve
The downward space of board member (10) is filled with filler, and each biological reaction pool inwall has one to enter water distribution passages, claims respectively
For one-level enters water distribution passages (1), two grading water distribution passages (6), water inlet pipe (13) enters water distribution passages (1) installed in one-level
Upper surface, have a primary effluent hole on the pool wall between two grading water distribution passages (6) and one-level biological reaction pool (2)
(18), outlet pipe (21) is on the pool wall of two stage biological reaction tank (7)；
The material of each biological reaction pool is armored concrete, or fiberglass, or stainless steel, or carbon steel；
The horizontal cross-section of each biological reaction pool is rectangle, and several biological reaction pools are arranged together, according to the position point of arrangement
Have another name called is one-level biological reaction pool (2), two stage biological reaction tank (7)；One-level biological reaction pool (2) inwall has an one-level to intake
Assignment channel (1), water inlet pipe (13) enters the upper surface of water distribution passages (1) installed in one-level, and one-level enters water distribution passages (1)
Upper surface is higher than one-level biological respinse pit level (17) of one-level biological reaction pool (2) inner chamber, also, one-level enters water distribution passages
(1) upper surface enters one-level water inlet liquid level (14) of water distribution passages (1) inner chamber higher than one-level, and one-level enters water distribution passages (1)
Lower surface and one-level biological reaction pool (2) bottom of pond between have a segment distance, one-level is entered water distribution passages (1) inner chamber and one-level
Biological reaction pool (2) intracavity inter-connection；
Two stage biological reaction tank (7) inwall has a two grading water distribution passages (6), two grading water distribution passages (6) and one-level
The upper surface for having a primary effluent hole (18), two grading water distribution passages (6) on pool wall between biological reaction pool (2) is higher than
One-level biological respinse pit level (17) of one-level biological reaction pool (2) inner chamber, the lower surface and two of two grading water distribution passages (6)
There is a segment distance between level biological reaction pool (7) bottom of pond, make two grading water distribution passages (6) inner chambers and two stage biological reaction tank
(7) intracavity inter-connection；Outlet pipe (21) on the pool wall of two stage biological reaction tank (7), the level height of outlet pipe (21)
Less than the level height of primary effluent hole (18)；
Each biological reaction pool inwall is provided with sieve plate bracket component (8), and sieve plate bracket component (8) is main by retainer plate
(45), sieve plate support (24), sieve plate crossbeam (25) composition；Retainer plate (45) section is in T shape, and retainer plate (45) is in semi-enclosed
Rectangle, retainer plate (45) is installed in biological reaction pool inwall, the level of the level height less than outlet pipe (21) of retainer plate (45)
Highly, retainer plate (45) is entering at water distribution passages inwall to disconnect；Retainer plate has several internal thread holes on (45)；Retainer plate
(45) several sieve plate supports (24) are welded with, sieve plate support (24) is made up of angle steel, and sieve plate support there are several on (24)
Internal thread hole；Sieve plate crossbeam (25) is made up of angle steel, there is several internal thread holes and several screw holes on sieve plate crossbeam (25)；
Sieve plate crossbeam (25) is fixed by screws on sieve plate support (24)；
Sieve plate part (10) is made up of several sieve plates (26), and the centre of sieve plate (26) is sieve aperture area, and sieve plate has around (26)
Several screw holes, by screw sieve plate part (10) on sieve plate bracket component (8)；
The downward space of each biological reaction pool inwall sieve plate part (10) is filled with filler, and filler uses light filler, fills out
Material density is less than water (12), and in the presence of buoyancy, filler is deposited in the downward space of sieve plate part (10) and forms packing layer；
There is a segment distance between packing layer lower surface (5) and biological reaction pool bottom of pond, 1/3rd of the distance more than bed stuffing height；
Each biological reaction pool bottom of pond is provided with lower bearing part (4), and lower bearing part (4) is main by bearing holder (housing, cover) (40), axle
Bearing sleeve fixing pipe (41), gusset (42), bottom plate (44) composition；Bottom plate (44) is rectangular, around bottom plate (44)
There are several screw holes, bearing holder (housing, cover) fixing pipe (41) is cylindrical, a bearing holder (housing, cover) fixing pipe (41) is welded on bottom plate
(44) upper surface, several gussets (42) are welded on bearing holder (housing, cover) fixing pipe (41) outer surface with bottom plate (44) upper surface
Angle；
Bearing holder (housing, cover) (40) is cylindrical, and bearing holder (housing, cover) (40) has bearing holder (housing, cover) axis hole along axis direction, outside bearing holder (housing, cover) (40) one end
There is bearing holder (housing, cover) boss on surface；One bearing holder (housing, cover) (40) is arranged on the bearing holder (housing, cover) of lower bearing part (4) by the way of interference fit
In fixing pipe (41)；
Upper bearing (metal) part (9) is installed, upper bearing (metal) part (9) is main by bearing holder (housing, cover) in the middle of each sieve plate bracket component (8)
(40), bearing holder (housing, cover) fixing pipe (41), gusset (42), upper mounted plate (43), backwash water inlet pipe (15) composition；Upper mounted plate (43)
Rectangular, having in the middle of upper mounted plate (43) has several screw holes around a through hole, upper mounted plate (43), backwashes water inlet pipe
(15) there is a flange one end, and backwash water inlet pipe (15) other end is welded in the through hole in the middle of upper mounted plate (43), bearing
Set fixing pipe (41) is cylindrical, and a bearing holder (housing, cover) fixing pipe (41) is welded on the lower surface of upper mounted plate (43), several muscle
Plate (42) is welded on the angle of bearing holder (housing, cover) fixing pipe (41) outer surface and upper mounted plate (43) lower surface；One bearing holder (housing, cover) (40)
By the way of interference fit in the bearing holder (housing, cover) fixing pipe (41) of upper bearing (metal) part (9)；
Backwash tube part (3) it is main by nozzle (23), pipe plug (27), lower retaining ring (29), central tube (30), threeway (31),
Connecting branch (32), upper retaining ring (33), fixing muscle (35), backwash branch pipe (36) composition；Central tube (30) is managed by several
Son and several threeways (31) weld together, and central tube (30) upper end is upper spindle nose (34), and upper spindle nose (34) lower end is welded with
Upper retaining ring (33), central tube (30) lower end is lower spindle nose (28), and lower spindle nose (28) inwall is welded with pipe plug (27), lower spindle nose
(28) upper end is welded with lower retaining ring (29)；There are several backwashes branch pipe (36) around central tube (30), backwash branch pipe
(36) welded together by two pipes and a threeway (31), backwash branch pipe (36) upper end inwall is welded with pipe plug (27),
Backwash branch pipe (36) lower end inner wall is welded with pipe plug (27), is welded with several nozzles (23) in backwash branch pipe (36), instead
The threeway (31) rinsed in the middle of branch pipe (36) is welded on one by a threeway (31) of connecting branch (32) and central tube (30)
Rise, the axis of several nozzles (23) is in a certain angle with the axis of connecting branch (32) in backwash branch pipe (36)；Several
The direction of all nozzles (23) is each along direction clockwise or counter-clockwise in backwash branch pipe (36)；Two neighboring recoil
The top and bottom fixing muscle (35) for washing branch pipe (36) welds together；
The upper spindle nose (34) of backwash tube part (3) in the bearing holder (housing, cover) (40) of upper bearing (metal) part (9), backwash tube part
(3) lower spindle nose (28) in the bearing holder (housing, cover) (40) of lower bearing part (4), under external force, backwash tube part (3)
Can be rotated between lower bearing part (4) and upper bearing (metal) part (9)；
Backwash water inlet pipe bracket component (11), backwash water inlet pipe holder are installed on the upside of each biological reaction pool inwall
Part (11) is mainly made up of water inlet pipe holder (37), water inlet pipe crossbeam (38), U bolt (39)；Water inlet pipe holder (37) by
Angle steel is made, and has several internal thread holes in water inlet pipe holder (37), and water inlet pipe holder (37) is fixed on biological reaction pool inwall
Upside；Water inlet pipe crossbeam (38) is made up of angle steel, and water inlet pipe crossbeam has several screw holes on (38)；Water inlet pipe crossbeam (38)
It is fixed by screws in on water pipe holder (37)；By U bolt (39), backwash water inlet pipe (15) is fixed on backwash
On the water inlet pipe crossbeam (38) of water inlet pipe bracket component (11).
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| CN105481048A (en) * | 2015-12-16 | 2016-04-13 | 无锡吉进环保科技有限公司 | Improved visible light photocatalytic oxidation water treatment reactor |
| CN108706717A (en) * | 2015-12-16 | 2018-10-26 | 永春新盛环保科技有限公司 | A kind of water processing reactor |
| CN107047441B (en) * | 2017-03-13 | 2020-01-31 | 中国水产科学研究院黑龙江水产研究所 | Biomembrane culture system in saline-alkali water fish culture |
| CN108557992B (en) * | 2018-05-17 | 2021-01-05 | 邵莉钧 | Industrial wastewater treatment aeration filter |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103232142A (en) * | 2013-05-14 | 2013-08-07 | 大连东利伟业环保节能科技有限公司 | Multifunctional dynamic biomembrane sewage treatment method |
| CN204848406U (en) * | 2015-07-23 | 2015-12-09 | 南京惠恩环保科技有限公司 | Multistage dynamic biofilm reactor |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103232142A (en) * | 2013-05-14 | 2013-08-07 | 大连东利伟业环保节能科技有限公司 | Multifunctional dynamic biomembrane sewage treatment method |
| CN204848406U (en) * | 2015-07-23 | 2015-12-09 | 南京惠恩环保科技有限公司 | Multistage dynamic biofilm reactor |
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