CN108892340A - The vertical water earthworm sludge decrement reactor of double rotary vertically and its method - Google Patents
The vertical water earthworm sludge decrement reactor of double rotary vertically and its method Download PDFInfo
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- CN108892340A CN108892340A CN201810724503.1A CN201810724503A CN108892340A CN 108892340 A CN108892340 A CN 108892340A CN 201810724503 A CN201810724503 A CN 201810724503A CN 108892340 A CN108892340 A CN 108892340A
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F11/00—Treatment of sludge; Devices therefor
- C02F11/02—Biological treatment
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/06—Sludge reduction, e.g. by lysis
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- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2303/00—Specific treatment goals
- C02F2303/26—Reducing the size of particles, liquid droplets or bubbles, e.g. by crushing, grinding, spraying, creation of microbubbles or nanobubbles
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
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Abstract
The invention discloses a kind of vertical water earthworm sludge decrement reactor of double rotary vertically and its methods, belong to field of environment protection equipment.The decrement reactor includes sludge front processor and mud decrement device；The sludge front processor is located at mud decrement device front end, collectively constitutes sludge decrement reactor with mud decrement device；Wherein mud decrement device includes erect-type rotatable water earthworm predation device, liftable aerating system and filtering return-flow system.The present invention is based on the principles of adhesion water earthworm attachment filler and sludge of ingesting, utilize the circulation of "-predation-, which goes out ,-sedimentation-adheres to-rotate-" in reaction zone, cooperate sludge front processor, liftable aerating system and filtering return-flow system, the fragmentation of mud granule is accomplished, reinforce the efficiency of water earthworm predation and digestion, the timely separation of sludge, earthworm excrement, vermis three is also achieved simultaneously, improves the efficiency of mud decrement.
Description
Technical field
The invention belongs to field of environment protection equipment, and in particular to a kind of double vertical water earthworm sludge decrement reactor of rotary vertically
And its method.
Background technique
Along with the increase of sewage load and handling rate, a large amount of excess sludges of generation have become a ring urgently to be solved
Border problem.Based on the reasons such as economic, efficient, environmental-friendly, an important method is had become using water earthworm processing excess sludge.Water
Earthworm sludge decrement process is broadly divided into sludge decrement process and two-stage method sludge decrement process in situ, and water earthworm mud decrement is anti-
Answer device that can also be divided into in-situ method process sludge decrement reactor and two-stage method process sludge decrement reactor.Water earthworm is different
In reactor environment, the efficiency of sludge predation is also different, therefore the research and development of water earthworm sludge decrement reactor is also very
It is necessary to.
Water earthworm can generate many excretas during the growth metabolism for sludge of ingesting, at the same there is also aging,
Inactivation vermis dead, to environmental inadequacies, both substances exist after a long time in reactor, can discharge the battalion such as N, P
Salt is supported, some inhibition water earthworm active materials are generated, the mud decrement environment and water earthworm activity of reactor is influenced, reduces sludge
It is reduced efficiency.For another example water earthworm is ingested sludge, there is the phenomenon that enrichment Heavy Metals in Sludge, heavy metal is easily transferred to earthworm excrement and earthworm
In body, to avoid heavy metal from returning in sludge and sewage again, carrying out separation in time to earthworm excrement and inactivation vermis is to have very much
It is necessary.Having in novel water earthworm sludge decrement reactor many can be reached good in conjunction with the techniques such as oxidation ditch, MBR
Mud decrement effect, but sludge, earthworm excrement, inactivation vermis it is timely separation and sludge before handle on also study less.When
The problem of that there are predation efficiencies is low for preceding water earthworm decrement reactor, and sludge, earthworm excrement, vermis etc. can not separate in time, therefore have
To in further perfect.
Summary of the invention
It is an object of the invention to solve problems of the prior art, and provide a kind of double rotary vertically vertical water earthworm
Earthworm sludge decrement reactor and its method.
Specific technical solution of the present invention is as follows：
The double vertical water earthworm sludge decrement reactor of rotary vertically comprising sludge front processor and mud decrement device；Institute
The sludge front processor stated is located at mud decrement device front end, collectively constitutes sludge decrement reactor with mud decrement device；
Wherein mud decrement device includes erect-type rotatable water earthworm predation device, liftable aerating system and filtering reflux
System；Mud decrement device shell is cylindrical in shape, and erect-type rotatable water earthworm predation device is set to interior of shell, vertical by two
Module and two level module compositions, vertical module outer wall surround bottomless uncovered by the porous aggregate plate being embedded in outer rim
Hollow cuboid, level module outer wall surround the hollow of two opposite sides perforations by the porous aggregate plate being embedded in outer rim
Cuboid；Vertical module is connected with level module by the double rotator at center, and two vertical modules are vertically arranged in two respins
Turn the two sides up and down of device, the horizontally disposed left and right sides in double rotator of two level modules forms cross shape；Position
Vertical module top in top is additionally provided with mud discharging mouth, the inner cavity of the vertical module of mud discharging mouth face；Two vertical modules it is porous
There are clearance space but outer rim is connected as a body between filler plate, the clearance space between two vertical modules passes through two pieces of moulds
Block connecting plate agree with filling up, and keeps the inner cavity of two vertical modules continuously uninterrupted；The porous aggregate plate of two level modules
There is also the outer rims of clearance space but two level modules to be connected as a body between the module connecting plates；Two horizontal moulds
One side opening of block towards double rotator is respectively equipped with one piece of side plugging plate and is blocked；Level on the right side of double rotator
Vertical module bottom surface below module right side and double rotator is blocked by orifice plate, is offered on the orifice plate
The one-way air inlet hole of row；
The double rotator includes rotary shaft and rotating handle, and rotary shaft is flat where vertical module and level module
The intersection line level in face is laid with, and rotating shaft terminal is fixed on mud decrement device shell by bearing, and one end is stretched out sludge and subtracted
Measuring device shell simultaneously connects rotating handle；Internal gear after a preceding internal gear and one, two horizontal moulds are coaxially cased in rotary shaft
The side plugging plate of block side is fixed on rear internal tooth surrounding place side by the connecting rod through module connecting plates respectively, makes two pieces of sides
Plugging plate and two pieces of module connecting plates and rear internal gear form the entirety that can be rotated synchronously；Two vertical modules and two water
The outer framework of flat-die block is connected with preceding internal gear, and two vertical modules and two level modules and preceding internal gear is made also to form one
The entirety that can be rotated synchronously；The side lateral distance rotary shaft of two vertical modules and two level modules towards double rotator
Be equidistant；It is coaxially fixed in rotary shaft between preceding internal gear and rear internal gear that there are two intermediate gears；In rotary shaft
When axial movement, it can be embedded in preceding internal gear by the intermediate gear of nearby internal gear and constitute gear cooperation transmission, close to rear internal tooth
Gear cooperation transmission is constituted after the intermediate gear of ring can be embedded in internal gear；
For being crushed to sludge, the mud mouth of sludge front processor is connected the sludge front processor by dredging tube
It is connected to the mud discharging mouth of vertical module top；
The liftable aerating system is located at immediately below vertical module and can be adjusted up and down in height, and is used for vertical mould
The bottom surface and two sides of block are aerated；The filtering return-flow system is set to mud decrement device bottom, for subtracting to sludge
The solid and liquid of measuring device bottom carry out separation reflux.
Preferably, including stirring grinder and ultrasonic wave smashing device in the sludge front processor, stirring is crushed
The stirrer paddle of device protrudes into sludge front processor interior of shell, for being stirred to sludge；Ultrasonic wave smashing device is installed on
On sludge front processor inner wall, for applying ultrasonic cavitation effect to sludge.
Preferably, the liftable aerating system includes air inlet pipe and row's taper aeration in air inlet pipe connection
Pipe and two rows of tubulose aeration tubes；One row's taper aeration tube is arranged in the subjacent of vertical module, and the taper of taper aeration tube
One-way air inlet hole on the vertical module bottom surface orifice plate of aeration opening just face；Two rows of tubulose aeration tubes are respectively arranged in vertical module
Two sides；Vertical lift span is offered on the shell of mud decrement device, liftable aerating system is entirely through connecting rod and setting
Lifting handle outside mud decrement device is connected, and the connecting rod passes through lift span and can move up and down in lift span.
Preferably, the filtering return-flow system includes sewage backflow pipe and mud return line；Mud decrement device bottom
With sludge hopper, the muddy water pipeline for connecting the mud water outlet of sludge hopper is divided into two branches, and the first branch successively passes through the first electricity
Mud decrement device bottom is back to by sewage backflow pipe after magnet valve, earthworm excrement filter, the first delivery pump；Second branch successively passes through
It crosses after second solenoid valve, vermis filter, the second delivery pump and is back to the mud discharging mouth of vertical module top by mud return line；
The earthworm excrement filter, vermis filter bottom are respectively equipped with the first switch of control of sewage disposal, second switch.
Preferably, the porous aggregate plate is using porous aggregate plate made of thermoplastic elastomer (TPE) TPE, in filler plate
Outer wall all has roughness, with a thickness of 3 millimeters, mesh number 45.
Preferably, being covered with cover board on the one-way air inlet hole, the size of the cover plate is greater than the aperture of lower section, and cover board is hinged
In on the orifice plate, can only be opened to module internal cavity.
Preferably, filled with the sludge for cultivating water earthworm in two vertical modules.
Preferably, the taper of taper aeration tube is aerated when the liftable aerating system is located at height extreme lower position
Mouth is detached from one-way air inlet hole, and the two keeps certain distance；When the liftable aerating system is located at height extreme higher position, cone
The taper aeration opening of shape aeration tube protrudes into the one-way air inlet hole.
Preferably, being equipped with the filter membrane that mesh number is 70 in the earthworm excrement filter, it is equipped with mesh number in vermis filter
20 filter membrane；Mixed liquor is flowed into from filter bottom in two filters, in the filter from the bottom to top by after filter membrane from
Top discharge.
Another object of the present invention is to provide a kind of mud decrements using decrement reactor described in any of the above-described scheme
Processing method, which is characterized in that steps are as follows：
Sludge is allowed to enter sludge front processor first, using the stirring milling machinery power generated by stirring grinder and by surpassing
Hydraulic shear caused by sound wave smashing device ultrasonic cavitation, collective effect make mud granule obtain abundant fragmentation；Before
Treated, and sludge is discharged into vertical module by dredging tube, and sludge is settled along the coarse inner wall of porous aggregate plate and filled up vertically
Module；After all populated sludge of two pieces of vertical modules forms mud room, it is inoculated in vertical module and intensively cultivates water earthworm, wait water
After earthworm growth is stablized, decrement reactor is formally started to work；
Then, starting liftable aerating system starts to be aerated, and water earthworm is attached on vertical module the right and left filler plate,
Head passes through filler plate and creeps into sludge predation in mud phase, and tail portion is then in water phase and is breathed and drained, and excreta edge is filled out
Flitch surface is precipitated downwards, and mud decrement device bottom is finally deposited to；When excreta deposits to a certain amount of, the second electromagnetism of closing
Valve opens the first solenoid valve and the first delivery pump, keeps sewage backflow pipe unimpeded, and mixed liquor is flowed into from earthworm excrement filter bottom,
The filter membrane for being from the bottom to top in the filter 70 by mesh number, earthworm excrement are filtered, and filtrate is discharged from filter top, pass through dirt
Water return pipe is discharged into again in mud decrement device；After completing the filtering of earthworm excrement, the first solenoid valve is closed, opens earthworm excrement filter bottom
First switch flow into from earthworm excrement filter top, from top to bottom pass through in the filter using the water flow in sewage backflow pipe
Filter membrane plays backwash, and the earthworm excrement in earthworm excrement filter can be discharged from filter bottom；
It was the reaction time of mud decrement device with 4 hours, after every reaction a cycle, is filtering out mud decrement device bottom
Under the premise of earthworm excrement, make liftable aerating system in the state that the taper aeration opening of taper aeration tube is detached from the one-way air inlet hole
Start to be aerated, water earthworm is because pulling up the lifting handle of aerating system at this time, making in the mud phase for piercing vertical module that is disturbed
The taper aeration opening of taper aeration tube is inserted into vertical module by the one-way air inlet hole of vertical module bottom, is further increased and is exposed
Tolerance is rushed out vermis and sludge together, is suspended in water phase, then stops aeration, makes water earthworm and sludge settling to water
On flat-die block filler plate upper surface, water earthworm is attached to filler, and the good water earthworm of activity can pass through filler plate and creep into mud phase；Wait
In the time adhered to again to water earthworm, sludge is discharged into vertical module again；After the completion of water earthworm is adhered to again, pass through
It pushes rotating handle to make to constitute gear cooperation transmission in internal gear after the intermediate gear insertion of rear internal gear, rotates clockwise
Rotating handle drives two pieces of side plugging plates and two pieces of module connecting plates to be rotated by 90 °, and level module is made to pass through two pieces of module connections
Plate is connected together to form entirety, and two pieces of side plugging plates block two sides of vertical module；Rotating handle is pulled to make to lean on again
Gear cooperation transmission is constituted before nearby the intermediate gear of internal gear is embedded in internal gear, rotating handle is rotated clockwise, drives whole
A erect-type rotatable water earthworm predation device rotation, completes vertical module and level module location swap, water earthworm is new
Sludge predation in vertical module；
After carrying out primary vertical module and level module location swap, the vermis of reactor bottom need to be filtered,
The first solenoid valve to be closed, second solenoid valve is opened, keeps mud return line unimpeded, mixed liquor is flowed into from vermis filter bottom,
The filter membrane for being from the bottom to top in the filter 20 by mesh number, vermis filtered, and the filtrate with sludge is from filter top
Discharge, by mud return line, is discharged into vertical module again from the mud discharging mouth of vertical module top, realizes sludge reflux；It is complete
After filtering at vermis, second solenoid valve is closed, the second switch of vermis filter bottom is opened, utilizes the water in mud return line
Stream enters from vermis filter top, from top to bottom plays backwash, the vermis of filtering is by filter membrane in the filter
It can be discharged from vermis filter bottom.
Principle of this reactor based on attached type water earthworm attachment filler and sludge of ingesting utilizes "-predation-in reaction zone
Go out-sedimentation-adhere to-rotate-" circulation, cooperation sludge front processor, liftable aerating system and filtering return-flow system, do
Arrived the fragmentation of mud granule, reinforced the efficiency of water earthworm predation and digestion, at the same also achieve mud, excrement, body three it is timely
Separation, creates good mud decrement environment, improves the efficiency of mud decrement.
Mud decrement index, sewage effluent index and earthworm excrement of the invention and inactivation vermis separative efficiency are：
1. water earthworm sludge ingestion speed：0.258TSS/d·g
2. mud decrement rate：The excess sludge reduction rate 55% of municipal sewage treatment
3. the sludge index SVI of reactor mixed liquor：60
4. stabilizing the MLVSS/MLSS of sludge：0.35
5. earthworm excrement separative efficiency：80% -90%
6. inactivating vermis separative efficiency：40% -60%.
Detailed description of the invention
Fig. 1 is the agent structure schematic diagram of the vertical water earthworm sludge decrement reactor of double rotary vertically；
Fig. 2 is the schematic diagram of internal structure of the vertical water earthworm sludge decrement reactor of double rotary vertically；
Fig. 3 is a kind of structural schematic diagram of the double rotator under visual angle；
Fig. 4 is the structural schematic diagram of the double rotator under another visual angle；
Fig. 5 is the transition state one that erect-type rotatable water earthworm preys on device；
Fig. 6 is the transition state two that erect-type rotatable water earthworm preys on device；
Fig. 7 is the structural schematic diagram of liftable aerating system；
Fig. 8 is arragement construction schematic diagram of the liftable aerating system below vertical module；
Fig. 9 is the schematic diagram of vertical module or level module；
Appended drawing reference in figure：Sludge front processor (1), mud decrement device (2), erect-type rotatable water earthworm prey on device
(3), lifting type aerating system (4), filtering return-flow system (5), elastic cellular TPE filler plate (6), vertical module (7), horizontal mould
Block (8), double rotator (9), backgear (10), middle gear (11), front gear (12), rotary shaft (13), rotating handle (14),
Taper aeration tube (15), tubulose aeration tube (16), lifting handle (17), lift span (18), first switch (19), the first solenoid valve
(20), second solenoid valve (21), earthworm excrement filter (22), vermis filter (23), second switch (24), sewage backflow pipe
(25), mud return line (26), stirring grinder (27), ultrasonic wave smashing device (28), mud discharging mouth (29), dredging tube (30),
First delivery pump (31), the second delivery pump (32), module connecting plates (901), side plugging plate (902), connecting rod (903).
Specific embodiment
The present invention is further elaborated and is illustrated with reference to the accompanying drawings and detailed description.Each implementation in the present invention
The technical characteristic of mode can carry out the corresponding combination under the premise of not conflicting with each other.
As shown in Figure 1, earthworm excrement, inactivation vermis subtract from sludge to be able to achieve mud granule fragmentation in a preferred embodiment
It is being separated in amount system, intermittent to be aerated the vertical water earthworm sludge decrement reactor of double rotary vertically by force, mainly by
Sludge front processor 1 and mud decrement device 2 form.1 individualism of sludge front processor is located at 2 front end of mud decrement device, with dirt
Mud decrement device 2 collectively constitutes sludge decrement reactor.Wherein mud decrement device 2 includes that erect-type rotatable water earthworm preys on device
3, liftable aerating system 4 and filtering return-flow system 5.Sludge front processor 1 is for being crushed sludge, sludge front processor
1 mud mouth is connected to the mud discharging mouth 29 at vertical 7 top of module by dredging tube 30.Mud discharging mouth 29 is the dress of a bottom opening
It sets, for filling mud discharging to vertical module 7.
As shown in Fig. 2, the tubular cuboid of 2 shell of mud decrement device, bottom is equipped with the sludge hopper with certain slope.
Erect-type rotatable water earthworm predation device 3 is set to interior of shell, by two identical vertical modules 7 and two identical water
Flat-die block 8 forms.Vertical module 7 and level module 8 are formed by by inlaying porous aggregate plate 6 inside metal outer rim,
Using porous aggregate plate made of thermoplastic elastomer (TPE) TPE, filler plate inside and outside wall all has certain coarse porous aggregate plate 6
Degree, structure are as shown in Figure 9.The front face area of filler plate is larger, as main reacting environment, the side of module when necessary certainly
It can also be inlayed with filler plate.Wherein vertical 7 outer wall of module is surrounded bottomless by the porous aggregate plate 6 being embedded in outer rim
The hollow cuboid of uncovered, 8 outer wall of level module surround two opposite sides by the porous aggregate plate 6 being embedded in outer rim and pass through
Logical hollow cuboid.Vertical module 7 and level module 8 are connected by the double rotator 9 at center, and two vertical modules 7 are vertical
The two sides up and down of double rotator 9 are arranged in, the horizontally disposed left and right sides in double rotator 9 of two level modules 8 is formed
90 ° of orthogonal cross shapes.Mud discharging mouth 29 is set at the 7 top certain altitude of vertical module of top, 29 face of mud discharging mouth
The inner cavity of vertical module 7.It is not fixedly connected between vertical module 7 and level module 8 and double rotator 9, but it is deformable
The movable connection of state.Specifically, there are clearance space but outer rim phases between the porous aggregate plate 6 of two vertical modules 7
It is connected, the state is it can be appreciated that both ends are filled with porous aggregate plate 6 in a whole outer rim, but interposition empties
The heart.Clearance space between two vertical modules 7 agree with filling up by two pieces of module connecting plates 901, two pieces of module connections
Plate 901 is in the same plane with two sides of vertical module 7 respectively, does not thus make the inner cavities of two vertical modules 7 continuously not
Interruption.But it can be subjected to displacement, not fixed directly, i.e. module by rotation between module connecting plates 901 and vertical module 7
Connecting plate 901 can be detached from vertical module 7.Between the porous aggregate plate 6 and the module connecting plates 901 of two level modules 8
There is also the outer rims of clearance space but two level modules 8 to be connected as a body, and the state is it can be appreciated that one whole outer
Both ends are filled with porous aggregate plate 6 in frame, but middle position is hollow.Two level modules 8 are towards the side of double rotator 9
Opening is respectively equipped with one piece of side plugging plate 902 and is blocked.8 right side of level module and two on double 9 right side of rotator
The 7 underrun orifice plate of vertical module of 9 lower section of weight rotator is blocked, and rows of one-way air inlet hole is offered on orifice plate, often
Respectively having 10 radiuses on block orifice plate is 5 millimeters of air inlet.One-way air inlet hole is merely able to supplied gas and enters inside modules, but module
Internal sludge can not arbitrarily be discharged from hole, therefore cover board is covered on one-way air inlet hole, and the size of the cover plate is greater than the hole of lower section
Diameter, cover board are articulated with orifice plate towards on the surface of module internal cavity, can only open to module internal cavity, realize one-way air inlet function with this
Energy.In the process of running, filled with the sludge for cultivating water earthworm in two vertical modules 7.And double 9 left side of rotator
7 top surface of vertical module of 9 top of 8 left side of level module and double rotator is equipped with openable cover board, is used for it
Middle injection sludge.
As shown in Figures 3 and 4, double rotator 9 is one for realizing 8 location swap of vertical module 7 and level module
Device, double rotator 9 include rotary shaft 13 and rotating handle 14.Vertical module 7 and the respective central plane of level module 8 tool
There is an intersection line, rotary shaft 13 is laid with along the intersection line level, and mud decrement device 2 is fixed on by bearing in 13 both ends of rotary shaft
On shell, and one end stretches out 2 shell of mud decrement device and connects rotating handle 14.Entire erect-type rotatable water earthworm predation dress
3 longitudinal profile is set with 13 position central symmetry of rotary shaft, can be rotated around rotary shaft 13.It is coaxially cased in rotary shaft 13
Tooth socket is offered on the inside of the ring body of internal gear 10 after one preceding internal gear 12 and one, preceding internal gear 12 and rear internal gear 10.
Two pieces of side plugging plates 902 of two 8 sides of level module are all connected with a plurality of connecting rod 903, and connecting rod 903 is connected through module
It is fixed on rear 10 side of internal gear after plate 901, makes two pieces of side plugging plates 902 and two pieces of module connecting plates 901 and rear internal gear
10 form the entirety that can be rotated synchronously, i.e. grey parts in Fig. 5.Two pieces of sides are able to drive when the rotation of rear internal gear 10
Plugging plate 902 and two pieces of module connecting plates 901 rotate synchronously.Two vertical modules 7 and two level modules 8 all have certain
Thickness, therefore the outer framework of two vertical modules 7 and two level modules 8 crosses coupling position, the i.e. center of right-angled intersection, shape
At a square frame, the two sides of module are each to have a square frame by oneself, and two square frame centers are equipped with one
A bearing, bearing are set in the weight that all vertical modules 7 and level module 8 are supported in rotary shaft 13.One of square
The side of frame and preceding internal gear 12 is connected and fixed, and makes two vertical modules 7 and two level modules 8 and preceding internal gear 12 also shape
The entirety that can be rotated synchronously at one.It should be noted that in order to meet subsequent and intermediate gear 11 cooperation, preceding internal gear 12
It is only to cover outside rotary shaft 13, but do not contacted with axis with rear internal gear 10, the distance between inner ring and rotary shaft 13 of the two
Remain constant.Therefore, preceding internal gear 12 and rear internal gear 10 can fix one by the side in ring gear and closely be arranged
Bearing in rotary shaft 13 guarantees not generating radial displacement between ring gear and axis with this, but can guarantee ring gear from
By being rotated around axis.It is of course also possible to use other structures realize the function.
In the apparatus, it needs to adjust two pieces of side plugging plates 902 and two pieces of module connecting plates by double rotator 9
901 angle makes it be connected respectively with two vertical modules 7 and two level modules 8 under different angle.Therefore, two are erected
The distance of straight module 7 and two level modules 8 towards the side lateral distance rotary shaft 13 of double rotator 9 should keep equal.
In addition, the angle and two vertical modules 7 and two horizontal moulds of two pieces of side plugging plates 902 and two pieces of module connecting plates 901
The angular adjustment of block 8 has sequencing, and this opposite adjusting is realized by two intermediate gears 11.Two
Intermediate gear 11 is coaxially fixed in the rotary shaft 13 between preceding internal gear 12 and rear internal gear 10, is rotated synchronously with axis.In and
Between gear 11 can just be caught in the gap in preceding internal gear 12 and rear internal gear 10, rotary shaft 13 move axially when, lean on
Gear cooperation transmission is constituted before nearby the intermediate gear 11 of internal gear 12 can be embedded in internal gear 12, in rear internal gear 10
Between gear 11 can be embedded in after gear cooperation transmission is constituted in internal gear 10.Pull rotary shaft 13 by rotating handle 14, i.e., it is adjustable
It saves intermediate gear 11 and which internal gear constitutes and cooperates.The original state of device as shown in figure 5, when rotary shaft 13 moves back,
Intermediate gear 11 agrees with rear internal gear 10, rotates clockwise rotating handle 14, and rotary shaft 13 drives the filler plate of grey parts
Rotation, makes level module 8 be connected together to form entirety, and vertical about 7 module separates two pieces and by two pieces of side plugging plates
902 block, hollow at level module 8, form state as shown in Figure 6.Rotary shaft 13 is moved forward again, intermediate gear 11 is with before
Internal gear 12 agrees with, and when continuing to be rotated clockwise with rotating handle 14, entire erect-type rotatable water earthworm is driven to prey on device 3
Rotation, can vertical module 7 and 8 location swap of level module.
In the present embodiment, include stirring grinder 27 and ultrasonic wave smashing device 28 in sludge front processor 1, stir powder
Millstone 27 is the blender with stirrer paddle, and the stirrer paddle of stirring grinder 27 protrudes into 1 shell of sludge front processor
Inside, for being stirred to sludge.Ultrasonic wave smashing device 28 is installed on the two sides inner wall of sludge front processor 1, is used for
Ultrasonic cavitation effect is applied to sludge.After sludge enters sludge front processor 1, the generation of high-speed stirred grinder 27 will receive
Stir milling machinery power, and the hydraulic shear as caused by the ultrasonic cavitation of ultrasonic wave smashing device 28, the common work of the two
With the degree of crushing that can deepen the fragmentation of sludge wadding body and cell, mud granule is made to obtain abundant fragmentation, improves subsequent water earthworm and catch
Predation efficiency when sludge is eaten, to improve the reduction rate of sludge.
Liftable aerating system 4 is located at immediately below vertical module and can be adjusted up and down in height, for vertical module 7
Bottom surface and two sides are aerated.In the present embodiment, 4 structure of liftable aerating system as shown in fig. 7, comprises air inlet pipe and
In the row's taper aeration tube 15 and two rows of tubulose aeration tubes 16 of air inlet pipe connection, the bottom of three row's aeration tubes is concordant, and three rows expose
50 millimeters of tracheae spacing.One row's taper aeration tube 15 is arranged in the subjacent of vertical module 7, and the taper of taper aeration tube 15
One-way air inlet hole on the vertical 7 bottom surface orifice plate of module of aeration opening just face；Two rows of tubulose aeration tubes 16 are respectively arranged in vertical
The two sides of module 7, for being aerated to two sides, gas enters upper space by the gap between level module and vertical module.
Liftable aerating system 4 is located at erect-type rotatable 3 20 millimeters of lower section of water earthworm predation device.As shown in figure 8, mud decrement
Vertical high 15 millimeters of lift span 18 is offered on the shell of device 2, liftable aerating system 4 exists entirely through connecting rod and setting
Lifting handle 17 outside mud decrement device 2 is connected, and connecting rod passes through lift span 18 and can move up and down in lift span 18.It can rise
The size of drop aerating system 4 needs to meet：When liftable aerating system 4 is located at height extreme lower position, the taper of taper aeration tube 15
Aeration opening is detached from one-way air inlet hole, and the two keeps certain distance, and gas will not be completely into one-way air inlet hole；Liftable aeration
When system 4 is located at height extreme higher position, the taper aeration opening of taper aeration tube 15 is protruded into the one-way air inlet hole, and gas is complete
Enter one-way air inlet hole entirely, realizes strong aeration.But it should be noted that lift span 18 needs to carry out with 17 junction of lifting handle
Leak-proof measure.When in use, when pulling up lifting handle 17, intermediate taper aeration tube 15 rises, and taper aeration opening passes through perpendicular
Straight 7 bottom solarization air cap of module is inserted into vertical module 7, and carrying out strong aeration at this time can be by the sludge and water earthworm in vertical module 7
Earthworm is gone out together, makes them at suspended state.
Filtering return-flow system 5 is set to 2 bottom of mud decrement device, and the main function of filtering return-flow system 5 is to water earthworm
The earthworm excrement of generation is filtered, and to because the poor water earthworm to be settled down to reactor bottom of dead or activity carried out
Filter, then flows back muddy water.In the present embodiment, filtering return-flow system 5 includes sewage backflow pipe 25 and mud return line 26.
2 bottom of mud decrement device has sludge hopper, and sludge hopper gradient is about 0.3, is conducive to particulate matter and deposits.Connect the muddy water of sludge hopper
The muddy water pipeline of outlet is divided into two branches, and the first branch successively passes through the first solenoid valve 20, earthworm excrement filter 22, first conveys
2 bottom of mud decrement device is back to by sewage backflow pipe 25 after pump 31, the first solenoid valve 20 can control opening for the first branch
Filter membrane that is disconnected, being 70 equipped with mesh number in earthworm excrement filter 22, mixed liquor are passed through from 22 bottom of earthworm excrement filter, after filter membrane again
From 22 top of earthworm excrement filter, discharge flows back into the lower section of mud decrement device 2, and the first delivery pump 31 is for providing conveying power.
Second branch is successively flowed back after second solenoid valve 21, vermis filter 23, the second delivery pump 32 by mud return line 26
To the mud discharging mouth 29 at vertical 7 top of module.Second solenoid valve 21 can control cut-offfing for second branch, set in vermis filter 23
Having mesh number is 20 filter membrane, and mixed liquor is passed through from 23 bottom of vermis filter, again from 23 top of vermis filter after filter membrane
Discharge flows back into mud discharging mouth 29.In reflux course, when closing the first solenoid valve 20 and second solenoid valve 21, sewage backflow
Pipe 25 and mud return line 26 are due to that can backwash filter membrane with certain head height.And earthworm excrement filters
Device 22,23 bottom of vermis filter are respectively equipped with the first switch 19 of control of sewage disposal mouth opening and closing, second switch 24, open first and open
Closing 19, second switch 24 can be realized backwash.It is of course also possible to set double for the first delivery pump 31 and the second delivery pump 32
To pump, backwash dynamics is further increased.
Based on the sludge reduction treatment method of above-mentioned decrement reactor, its step are as follows：
Sludge is allowed to enter sludge front processor 1 first, sludge will receive the stirring milling machinery that stirring grinder 27 generates
Power and the hydraulic shear as caused by the ultrasonic cavitation of ultrasonic wave smashing device 28, the collective effect of the two can deepen sludge wadding
The degree of crushing of body fragmentation and cell makes mud granule obtain abundant fragmentation, improves predation when subsequent water earthworm sludge predation
Efficiency, to improve the reduction rate of sludge.Sludge after pre-treatment is discharged into vertical module 7 by dredging tube 30, sludge
It is slowly settled down to along the coarse inner wall of porous aggregate plate 6 and fills up vertical module 7；Two blocks of vertical all populated sludge of module 7 are formed
Behind mud room, be inoculated in vertical module 7 and intensively cultivate water earthworm, etc. after water earthworms growth stabilization, decrement reactor can be formal
It starts to work.
Starting liftable aerating system 4 starts to be aerated, and water earthworm is attached on vertical 7 the right and left filler plate of module, head
Portion passes through and filler plate and creeps into sludge predation in mud phase, and tail portion is then in water phase and is breathed and drained, and excreta can be along filling out
Flitch surface reaches lower part through hollow middle portion by top, is finally deposited to 2 bottom of mud decrement device；When excreta deposits to centainly
Amount, second solenoid valve 21 are automatically closed, and the first solenoid valve 20 automatically turns on, and sewage backflow pipe 25 is unimpeded at this time, there is earthworm in pipeline
Excrement filter 22, mixed liquor are flowed into from filter bottom side, the filter membrane for being from the bottom to top in the filter 70 by mesh number, earthworm
Excrement is filtered, and filtrate is discharged from filter top, is discharged into mud decrement device 2 again by sewage backflow pipe 25；Complete earthworm
After excrement filtering, first solenoid valve 20 on last 22 side of earthworm excrement filter is closed, and opens the first switch of 22 bottom of earthworm excrement filter
19, eminence water flow then can be flowed at the top of earthworm excrement filter 22, from top to bottom be passed through in the filter by sewage backflow pipe 25
Filter membrane plays backwash, and the earthworm excrement in earthworm excrement filter 22 can be discharged from filter bottom.
It was the reaction time of mud decrement device 2 with 4 hours during entire reactor reaction, after reacting a cycle,
Under the premise of filtering out the excretas such as 2 bottom earthworm excrement of mud decrement device, make liftable aerating system 4 in the cone of taper aeration tube 15
Shape aeration opening starts strong aeration in the state of being detached from the one-way air inlet hole, and water earthworm pierces the mud of vertical module because being disturbed
Xiang Zhong pulls up the lifting handle 17 of aerating system at this time, and the taper aeration opening of taper aeration tube 15 is made to pass through vertical 7 bottom of module
The one-way air inlet hole in portion is inserted into vertical module 7, is further increased aeration quantity, is rushed out vermis and sludge together, is suspended in
In water phase, then stop aeration, water earthworm and sludge can be deposited at leisure on 8 filler plate upper surface of level module, water earthworm
It is attached to filler, the good water earthworm of activity can pass through filler plate and creep into mud phase；In the time for waiting water earthworm to adhere to again, weight
Newly sludge is discharged into vertical module；Then after the completion of water earthworm is adhered to again, make rotary shaft 13 to rotating handle 14 is pushed forward
It moves back, constitutes gear cooperation transmission in internal gear 10 after the insertion of intermediate gear 11 of rear internal gear 10, continue rotation clockwise
Turn rotating handle 14, drives two pieces of side plugging plates 902 and two pieces of module connecting plates 901 to be rotated by 90 °, pass through level module 8
Two pieces of module connecting plates 901 are connected together to form entirety, and vertical about 7 module is separated into two pieces, empty at level module 8
The heart, two pieces of side plugging plates 902 block two sides of the vertical module 7 towards double rotator 9；Rotating handle 14 is pulled back again
So that rotary shaft 13 is moved forward, is embedded in preceding internal gear 12 by the intermediate gear 11 of nearby internal gear 12 and constitutes gear cooperation transmission, it is suitable
Hour hands rotate rotating handle 14, drive entire erect-type rotatable water earthworm predation device 3 to rotate, complete vertical module 7 and water
8 location swap of flat-die block, vertical module 7 original at this time becomes new level module 8, and original level module 8 becomes
New vertical module 7；Water earthworm continues sludge predation in new vertical module 7.
In water earthworm and sludge settling to 8 filler plate upper surface of horizontal shuttering and erect-type rotatable water earthworm predation
During device 3 rotates, the sludge of poor activity, dead water earthworm and partial loss falls to fall on 2 bottom of mud decrement device
Portion.Therefore after carrying out primary vertical module 7 and 8 location swap of level module, need to carry out vermis filtration, the first electricity
Magnet valve 20 is automatically closed, and second solenoid valve 21 automatically turns on, and mud return line 26 is unimpeded at this time, there is vermis filter in pipeline
23, mixed liquor is flowed into from filter bottom side, and the filter membrane for being from the bottom to top in the filter 20 by mesh number, vermis is obtained
Filter, the filtrate with sludge are discharged from filter top, the mud discharging mouth 29 by mud return line 26, from vertical 7 top of module
Again it is discharged into vertical module 7, realizes sludge reflux.After finally completing vermis filtering, second electromagnetism on 23 side of vermis filter
Valve 21 is closed, and opens the switch 24 of 23 bottom of vermis filter, eminence water flow then passes through mud return line 26, from vermis filter
23 tops enter, and from top to bottom play backwash, the vermis of filtering can be from vermis filter by filter membrane in the filter
The discharge of 23 bottoms.
Embodiment
In the present embodiment, the specific structure of the double vertical water earthworm sludge decrement reactor of rotary vertically is as previously mentioned, no longer
It repeats.
1, the specific size of each unit and parameter are as follows：Sludge front processor is made of stainless steel, and processor is having a size of 20
×20×20cm.Mud decrement device is a cuboid container open, reflux is arranged at bottom, is made of organic glass, size
For 50 × 22 × 70cm, effective height 60cm, dischargeable capacity 60L.Module by embedding 3 millimeters thick of metal edge frame elastic cellular
TPE filler plate is formed, with a thickness of 3 millimeters, mesh number 45.Two pieces of vertical modules connect the general frame size 15*200* to be formed
480mm, every piece of individual level module size 200*200*15mm.After vertical module is discharged into sludge, in inoculation above and intensive
Cultivate water earthworm；Slope is arranged at mud decrement device bottom, and gradient is about 0.3.
2, mixed liquor of the sewage of this reactor for treatment from biochemistry pool, mixing sludge liquid concentration are 2000-4000mg/L.
3, the sludge reduction treatment method based on the decrement reactor is as described above.
4, mud decrement effect：
Water earthworm sludge ingestion speed is up to 0.258TSS/dg, the excess sludge reduction rate 55% of municipal sewage treatment.
5, earthworm excrement separating effect：
The period of earthworm excrement separation is half an hour, and frequency is higher, and separating effect is up to 80% -90%.
6, vermis separating effect：
The separation cycle of vermis is 4 hours, and inactivation vermis separative efficiency is 40% -60%.
Above-mentioned embodiment is only a preferred solution of the present invention, so it is not intended to limiting the invention.Have
The those of ordinary skill for closing technical field can also make various changes without departing from the spirit and scope of the present invention
Change and modification.Therefore all mode technical solutions obtained for taking equivalent substitution or equivalent transformation, all fall within guarantor of the invention
It protects in range.
Claims (10)
1. a kind of vertical water earthworm sludge decrement reactor of double rotary vertically, which is characterized in that including sludge front processor (1) and
Mud decrement device (2)；The sludge front processor (1) is located at mud decrement device (2) front end, common with mud decrement device (2)
Form sludge decrement reactor；
Wherein mud decrement device (2) includes erect-type rotatable water earthworm predation device (3), liftable aerating system (4) and mistake
It filters return-flow system (5)；Mud decrement device (2) shell is cylindrical in shape, and erect-type rotatable water earthworm predation device (3) is set to shell
Inside is made of two vertical modules (7) and two level modules (8), and vertical module (7) outer wall is by being embedded in outer rim
Porous aggregate plate (6) surrounds the hollow cuboid of bottomless uncovered, and level module (8) outer wall porous is filled out by be embedded in outer rim
Flitch (6) surrounds the hollow cuboid of two opposite side perforations；Vertical module (7) and level module (8) are by the double of center
Rotator (9) connection, two vertical modules (7) are vertically arranged in the two sides up and down of double rotator (9), two level modules
(8) the horizontally disposed left and right sides in double rotator (9) forms cross shape；Vertical module (7) top being located above
Portion is additionally provided with mud discharging mouth (29), the inner cavity of the vertical module of mud discharging mouth (29) face (7)；The porous aggregate of two vertical modules (7)
There are clearance space but outer rim is connected as a body between plate (6), the clearance space between two vertical modules (7) passes through two pieces
Module connecting plates (901) agree with filling up, and keep the inner cavity of two vertical modules (7) continuously uninterrupted；Two level modules (8)
Porous aggregate plate (6) and the module connecting plates (901) between there is also clearance space but the outsides of two level modules (8)
Frame is connected as a body；One side opening of two level modules (8) towards double rotators (9) is respectively equipped with one piece of side plugging plate
(902) it is blocked；It is vertical below level module (8) right side and double rotator (9) on the right side of double rotator (9)
Module (7) underrun orifice plate is blocked, and rows of one-way air inlet hole is offered on the orifice plate；
The double rotator (9) includes rotary shaft (13) and rotating handle (14), rotary shaft (13) along vertical module (7) and
The intersection line level of plane is laid with where level module (8), and mud decrement device (2) are fixed on by bearing in rotary shaft (13) both ends
On shell, and one end stretches out mud decrement device (2) shell and connects rotating handle (14)；Rotary shaft is coaxially cased with one on (13)
Internal gear (10) after preceding internal gear (12) and one, the side plugging plate (902) of two level module (8) sides is respectively by passing through
The connecting rod (903) for wearing module connecting plates (901) is fixed on rear internal gear (10) side, make two pieces of side plugging plates (902) and
Two pieces of module connecting plates (901) and rear internal gear (10) form the entirety that can be rotated synchronously；Two vertical modules (7) and two
The outer framework of a level module (8) is connected with preceding internal gear (12), make two vertical modules (7) and two level modules (8) with
Preceding internal gear (12) also forms the entirety that can be rotated synchronously；Two vertical modules (7) and two level modules (8) directions two
Side lateral distance rotary shaft (13) of weight rotator (9) are equidistant；Preceding internal gear (12) and rear internal gear (10) it
Between rotary shaft (13) on coaxially fixed there are two intermediate gear (11)；When rotary shaft (13) move axially, by nearby internal tooth
Gear cooperation transmission is constituted before the intermediate gear (11) of ring (12) can be embedded in internal gear (12), in rear internal gear (10)
Between gear (11) can be embedded in after gear cooperation transmission is constituted in internal gear (10)；
For the sludge front processor (1) for being crushed to sludge, the mud mouth of sludge front processor (1) passes through dredging tube
(30) mud discharging mouth (29) being connected at the top of vertical module (7)；
The liftable aerating system (4) is located at immediately below vertical module and can be adjusted up and down in height, and is used for vertical mould
The bottom surface and two sides of block (7) are aerated；The filtering return-flow system (5) is set to mud decrement device (2) bottom, is used for
Separation reflux is carried out to the solid and liquid of mud decrement device (2) bottom.
2. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that the dirt
Include stirring grinder (27) and ultrasonic wave smashing device (28) in mud front processor (1), stirs the agitating paddle of grinder (27)
Leaf protrudes into sludge front processor (1) interior of shell, for being stirred to sludge；Ultrasonic wave smashing device (28) is installed on sludge
On front processor (1) inner wall, for applying ultrasonic cavitation effect to sludge.
3. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that described can
Lifting aerating system (4) includes air inlet pipe and row's taper aeration tube (15) and two rows of tubulose aeration tubes in air inlet pipe connection
(16)；One row's taper aeration tube (15) is arranged in the subjacent of vertical module (7), and the taper aeration of taper aeration tube (15)
One-way air inlet hole on the mouth just vertical module of face (7) bottom surface orifice plate；Two rows of tubulose aeration tubes (16) are respectively arranged in vertical
The two sides of module (7)；It is offered on the shell of mud decrement device (2) vertical lift span (18), liftable aerating system (4) is whole
Body is connected in the lifting handle (17) of mud decrement device (2) outside by connecting rod with being arranged, the connecting rod across lift span (18) and
It can be moved up and down in lift span (18).
4. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that the mistake
Filtering return-flow system (5) includes sewage backflow pipe (25) and mud return line (26)；Mud decrement device (2) bottom has sludge hopper,
The muddy water pipeline for connecting the mud water outlet of sludge hopper is divided into two branches, and the first branch successively passes through the first solenoid valve (20), earthworm
Excrement filter (22), the first delivery pump (31) are back to mud decrement device (2) bottom by sewage backflow pipe (25) afterwards；Second
Road is successively returned after second solenoid valve (21), vermis filter (23), the second delivery pump (32) by mud return line (26)
The mud discharging mouth (29) flowing at the top of vertical module (7)；The earthworm excrement filter (22), vermis filter (23) bottom are set respectively
There are first switch (19), the second switch (24) of control of sewage disposal.
5. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that described is more
Hole filler plate (6) all has roughness, thickness using porous aggregate plate made of thermoplastic elastomer (TPE) TPE, filler plate inside and outside wall
It is 3 millimeters, mesh number 45.
6. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that the list
Cover board is covered on air inlet, the size of the cover plate is greater than the aperture of lower section, and cover board is articulated on the orifice plate, only can be to module
It opens inner cavity.
7. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that described two
Filled with the sludge for cultivating water earthworm in a vertical module (7).
8. the double vertical water earthworm sludge decrement reactor of rotary vertically as described in claim 1, which is characterized in that described can
When lifting aerating system (4) is located at height extreme lower position, the taper aeration opening of taper aeration tube (15) is detached from one-way air inlet hole, and
The two keeps certain distance；When the liftable aerating system (4) is located at height extreme higher position, the cone of taper aeration tube (15)
Shape aeration opening protrudes into the one-way air inlet hole.
9. the double vertical water earthworm sludge decrement reactor of rotary vertically as claimed in claim 4, which is characterized in that the earthworm
It is equipped with the filter membrane that mesh number is 70 in excrement filter (22), the filter membrane that mesh number is 20 is equipped in vermis filter (23)；Two filterings
Mixed liquor is flowed into from filter bottom in device, in the filter from the bottom to top by being discharged after filter membrane from top.
10. a kind of sludge reduction treatment method using the decrement reactor as described in claim 1~9 is any, which is characterized in that
Steps are as follows：
Allow sludge to enter sludge front processor (1) first, using the stirring milling machinery power that is generated by stirring grinder (27) and
The hydraulic shear as caused by ultrasonic wave smashing device (28) ultrasonic cavitation, it is sufficiently broken that collective effect obtains mud granule
Change；Sludge after pre-treatment is discharged into vertical module (7) by dredging tube (30), and sludge is thick along porous aggregate plate (6)
Rough inner wall settles and fills up vertical module (7)；After all populated sludge of two pieces of vertical modules (7) forms mud room, in vertical module
(7) be inoculated on and intensively cultivate water earthworm, etc. after water earthworms growth stabilization, decrement reactor is formally started to work；
Then, starting liftable aerating system (4) starts to be aerated, and water earthworm is attached to vertical module (7) the right and left filler plate
On, head passes through filler plate and creeps into sludge predation in mud phase, and tail portion is then in water phase and is breathed and drained, excreta edge
Filler plate surface precipitates downwards, is finally deposited to mud decrement device (2) bottom；When excreta deposits to a certain amount of, closing second
Solenoid valve (21) opens the first solenoid valve (20) and the first delivery pump (31), and holding sewage backflow pipe (25) is unimpeded, mixed liquor from
Earthworm excrement filter (22) bottom flows into, and the filter membrane for being from the bottom to top in the filter 70 by mesh number, earthworm excrement is filtered, filtrate
It is discharged from filter top, is discharged into mud decrement device (2) again by sewage backflow pipe (25)；After completing the filtering of earthworm excrement, close
It closes the first solenoid valve (20), the first switch (19) of earthworm excrement filter (22) bottom is opened, using in sewage backflow pipe (25)
Water flow flows into from earthworm excrement filter (22) top, from top to bottom plays backwash, by earthworm excrement by filter membrane in the filter
Earthworm excrement in filter (22) can be discharged from filter bottom；
It was the reaction time of mud decrement device (2) with 4 hours, after every reaction a cycle, is filtering out mud decrement device (2) bottom
Under the premise of portion's earthworm excrement, liftable aerating system (4) is made to be detached from the one-way air inlet in the taper aeration opening of taper aeration tube (15)
Start to be aerated in the state of hole, water earthworm because pulling up aerating system in the mud phase for piercing vertical module that is disturbed at this time
Lifting handle (17) is inserted into the taper aeration opening of taper aeration tube (15) by the one-way air inlet hole of vertical module (7) bottom
In vertical module (7), aeration quantity is further increased, vermis and sludge is rushed out together, is suspended in water phase, then stops exposing
Gas makes on water earthworm and sludge settling to level module (8) filler plate upper surface, and water earthworm is attached to filler, the good water of activity
Earthworm can pass through filler plate and creep into mud phase；In the time for waiting water earthworm to adhere to again, dirt is discharged into vertical module again
Mud；After the completion of water earthworm is adhered to again, by pushing rotating handle (14) to make the intermediate gear close to rear internal gear (10)
(11) gear cooperation transmission is constituted after being embedded in internal gear (10), rotates clockwise rotating handle (14), drives two pieces of side envelopes
Closure plate (902) and two pieces of module connecting plates (901) are rotated by 90 °, and connect level module (8) by two pieces of module connecting plates (901)
It is logical to form whole, two sides of two pieces of vertical modules (7) of side plugging plates (902) closure together；Rotating handle is pulled again
(14) gear cooperation transmission is constituted before being embedded in the intermediate gear (11) by nearby internal gear (12) in internal gear (12), clockwise
Rotate rotating handle (14), drive entire erect-type rotatable water earthworm predation device (3) rotation, complete vertical module (7) with
Level module (8) location swap, water earthworm sludge predation in new vertical module (7)；
After carrying out primary vertical module (7) and level module (8) location swap, need to the vermis to reactor bottom carried out
Filter is closed the first solenoid valve (20), is opened second solenoid valve (21), keeps mud return line (26) unimpeded, and mixed liquor is from vermis
Filter (23) bottom flows into, and the filter membrane for being from the bottom to top in the filter 20 by mesh number, vermis is filtered, and has sludge
Filtrate from filter top be discharged, by mud return line (26), arranged again from the mud discharging mouth (29) at the top of vertical module (7)
Enter in vertical module (7), realizes sludge reflux；It after completing vermis filtering, closes second solenoid valve (21), opens vermis filter
(23) second switch (24) of bottom is entered using the water flow in mud return line (26) from vermis filter (23) top,
Backwash is from top to bottom played, the vermis of filtering can be discharged from vermis filter (23) bottom by filter membrane in filter.
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| CN110395863A (en) * | 2019-07-30 | 2019-11-01 | 南京师范大学 | A kind of earthworm reactor and its method of recycling sludge processing |
| CN110558258A (en) * | 2019-10-09 | 2019-12-13 | 江苏省淡水水产研究所 | indoor temporary rearing device and temporary rearing method for fry initial feed red nematodes |
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| CN101786717A (en) * | 2010-02-05 | 2010-07-28 | 哈尔滨工业大学 | Excess sludge reduction bioreactor with variable aeration and worm attachment oblique plate |
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| CN108892340B (en) | 2023-04-25 |
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