CN109368969A - A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum - Google Patents
A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum Download PDFInfo
- Publication number
- CN109368969A CN109368969A CN201811324371.XA CN201811324371A CN109368969A CN 109368969 A CN109368969 A CN 109368969A CN 201811324371 A CN201811324371 A CN 201811324371A CN 109368969 A CN109368969 A CN 109368969A
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- Prior art keywords
- rotary drum
- helical blade
- baffle
- sludge
- conical section
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Classifications
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/121—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering
- C02F11/127—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering by centrifugation
-
- 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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
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- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention belongs to sludge treatment device fields, a kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum are disclosed, in order to solve the problems, such as that existing dehydration equipment easily corrodes and solid phase moisture content is high.The present invention includes rack, rotary drum is installed through bearing in rack, driving motor for driving rotary drum to rotate is installed in rack, the inside of rotary drum is hollow structure, rotary drum includes straightway and conical section, the periphery of straightway and conical section is provided with helical blade, conical section is equipped with feed inlet, the periphery of rotary drum is provided with rack-mounted housing, liquid-phase outlet is provided on the housing of straightway side, solid-phase outlet is provided on the housing of conical section side, discharge port is offered on straightway, rotation axis is provided in the rotary drum, the periphery of rotation axis is provided with the second helical blade, rotation axis extends conical section and is equipped with feed inlet, position in rotation axis close to conical section end is provided with discharge end.
Description
Technical field
The invention belongs to sludge treatment device technical fields, and in particular to one kind can prevent the efficient of sludge adherency rotary drum
Rate sewage dehydration equipment.
Background technique
Important device is exactly sludge dewatering equipment in sewage-treatment plant, and the course of work of sludge dewatering equipment is: from dirt
The precipitating sludge of mud thickener is pumped by sewage sludge feed and is conveyed after sludge cutting machine is broken, is sent into flocculant dosing system
Prepared medical fluid merges together, is mixed into centrifugal dehydrator, for sludge at solid-liquid two-phase after dewaterer separates, liquid phase is (clear
Clear liquid or separating liquid) it direct emission or send to sedimentation basin, solid phase (dewatered sludge) is then discharged by screw conveyor.
It is also more about the technical literature of sludge dewatering equipment in the prior art, such as application No. is 201220390358.6
Utility model patent discloses a kind of high mass dryness fraction sludge dewatering decanter centrifuge, by rack, rack-mounted centrifuge rotation
The hydraulic system composition that swivel and hydraulic motor differential mechanism and hydraulic station device are constituted, the centrifuge rotary body includes rotary drum,
The spiral being mounted in rotary drum, the feeding device in rotary drum big end, the feed pipe of feeding device extend into spiral, rotary drum
Equipped with straight section and section is bored, straight section big end is equipped with liquid-phase outlet, and cone section end is equipped with slag-drip opening, and the rotary drum mailbox of centrifuge, which works, to be grown
Degree is with diameter ratio design within the scope of 4-4.3.
Such as application No. is 201420434158.5 utility model patents to disclose a kind of sleeping spiral shell centrifugation of sludge dewatering
Machine, including rack, housing, rotary drum, rotor and flocculation plant, housing are mounted on the rack, and housing is equipped with liquid-phase outlet and admittedly
It mutually exports, rotor is installed in rotary drum, and rotor surface is equipped with pushing spiral and sub-material mouth, flocculation plant are installed in rotor, is wadded a quilt with cotton
Solidifying device includes stirring bull stick, stirs and is equipped with helical blade and paddle board on bull stick, and one end of agitating screw is connected with stirring electricity
Machine, rotor one end are equipped with first bearing, and the first driving motor is connected in first bearing, and first bearing is equipped with feed inlet,
The other end of rotor is equipped with second bearing, and second bearing is connected by differential mechanism with the second driving motor, rotor and second
Liquid barrier is installed between bearing, offers gap on liquid barrier, rack two sides are mounted on into bearing block, first bearing and
Second bearing passes through bearing block and is installed in rack, and the first driving motor, the second driving motor and stirring motor are mounted on
In rack, the first driving motor is connected by belt with first bearing, and the second driving motor is connected by belt with differential mechanism
It connects.
Centrifuge in the prior art as explained in more detail below, in use, the charging of rotary drum relies solely on charging
The jet-action of mouthful sludge entered itself is fed, and the discharge port of rotary drum is generally all disposed within close to solid-phase outlet
On the rotary drum at end, due to being enclosed construction inside rotary drum, often occur partial sludge in use and be adhered to rotary drum
End is very difficult to clean after use, heavy corrosion rotary drum.
Impact for the material that is lowered into liquid phase, the discharge port (sub-material mouth) of rotary drum are mostly positioned close to solid phase
Outlet, it is smaller to the impact of liquid phase since discharge port is far from liquid-phase outlet, but since discharge port is close to solid-phase outlet,
Cause the helical blade on rotary drum inadequate to the extrusion time of sludge, causes the solid phase moisture content of discharge higher.
Summary of the invention
The present invention easily corrodes to solve the problems, such as existing dehydration equipment and solid phase moisture content is high, and providing one kind can prevent
The only high efficiency sewage dehydration equipment of sludge adherency rotary drum, can quickly be discharged sludge, prevent sludge long-term adhesion from turning
Bulging inside and the problem of corrode, while sludge can also be increased to greatest extent and squeezing disengaging time, improve sludge
The effect of separation of solid and liquid.
In order to solve the technical problem, the technical scheme adopted by the invention is that:
A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum, including rack are equipped in rack through bearing
Rotary drum is equipped with the driving motor for driving rotary drum to rotate in rack, and the inside of rotary drum is hollow structure, and rotary drum includes straight line
The periphery of section and conical section, straightway and conical section is provided with helical blade, and conical section is equipped with feed inlet, the periphery of rotary drum
It is provided with rack-mounted housing, liquid-phase outlet is provided on the housing of straightway side, is arranged on the housing of conical section side
Have solid-phase outlet, offer discharge port on straightway, which is characterized in that be provided with rotation axis in the rotary drum, rotation axis it is outer
It encloses and is provided with the second helical blade, rotation axis extends conical section and is equipped with feed inlet, close to conical section end in rotation axis
Position be provided with discharge end, be provided in the rack for driving the second driving electricity that rotation axis rotates in rotary drum
Machine, the tail portion of the second helical blade is arranged in the discharge port, and discharge port is close to liquid-phase outlet, close rotary drum straightway end
The periphery of the rotary drum in portion is arranged with ring baffle, has the gap passed through for water flow, annular gear between ring baffle and housing
The position of plate is on the rotary drum between liquid-phase outlet and discharge port.
The discharge port is provided with multiple, and each discharge port is uniformly provided with the circumferencial direction of rotary drum.
The ring baffle includes first annular baffle and the second ring baffle, and first baffle and second baffle are through connector sleeve
It links together, first annular baffle is provided with spherical or hemispherical groove, the second ring baffle close to liquid-phase outlet side and leans on
Nearly discharge port side is provided with spherical or hemispherical groove, and the outer diameter of first annular baffle is greater than the outer diameter of the second ring baffle.
The first through hole for penetrating through first annular baffle is offered in the spherical shape or hemispherical groove of first annular baffle, and
And through-hole is located on the first annular baffle except connector sleeve.
Second ring baffle is provided with the protrusion of arc close to first annular baffle side, the second annular except protrusion
The second through-hole is offered on baffle.
It is less than the outer diameter of remaining helical blade on straightway close to the outer diameter of the helical blade of the second ring baffle.
The hand of spiral of second helical blade and the hand of spiral of the first helical blade on the contrary, the first helical blade and
The direction of rotation of second helical blade is opposite.
The course of work of the invention is:
Addition has the sludge of flocculant to enter in rotation axis by feed inlet, and in the discharge end close to conical section end
Middle ejection, sludge is under the extruding impetus of the second helical blade of rotation axis periphery, and sludge is realized and separated for the first time, separation
Liquid phase and solid phase afterwards passes through discharge port respectively and has respectively entered between rotary drum and housing, by discharge port spray (initial velocity compared with
Greatly), under the action of the second ring baffle groove, the effect of first time blocking reflected can be carried out to the sludge of ejection, therefore, spray
What sludge out can be quickly distributed gets rid of outward from center, so that most of sludge is defeated towards the progress of the direction of helical blade
Send, a small amount of sludge and the centrifugal force liquid phase separated of effect by the gap between the second ring baffle and housing into
Enter between first annular baffle and the second ring baffle, sludge is convex in the blocking of first annular baffle and the second ring baffle
Under the guide functions risen, sludge again passes through the second ring baffle by the second through-hole and is squeezed by helical blade, and liquid
Mutually since centrifugal force is relatively small, liquid phase is flowed out through first through hole, is finally discharged from liquid-phase outlet, and solid phase is with spiral
The extruding and conveying of blade act on, and are discharged from solid-phase outlet, to complete separation of solid and liquid effect.
Compared with prior art, the invention has the following advantages:
The high efficiency sewage dehydration equipment that can prevent sludge from adhering to rotary drum of the invention is added in use flocculant
Sludge entered in rotation axis by feed inlet, and close to conical section end discharge end in spray, sludge turn
Under the extruding impetus of second helical blade of moving axis periphery, sludge is realized and is separated for the first time, liquid phase and solid phase after separation
It is had respectively entered between rotary drum and housing by liquid phase discharge port and solid phase discharge port respectively, (initial velocity is sprayed by discharge port
It is larger), under the action of the second ring baffle groove, the effect of first time blocking reflected can be carried out to the sludge of ejection, therefore,
What the sludge of ejection can be quickly distributed gets rid of outward from center, so that most of sludge is defeated towards the progress of the direction of helical blade
Send, a small amount of sludge and the centrifugal force liquid phase separated of effect by the gap between the second ring baffle and housing into
Enter between first annular baffle and the second ring baffle, sludge is convex in the blocking of first annular baffle and the second ring baffle
Under the guide functions risen, sludge again passes through the second ring baffle by the second through-hole and is squeezed by helical blade, and liquid
Mutually since centrifugal force is relatively small, liquid phase is flowed out through first through hole, is finally discharged from liquid-phase outlet, and solid phase is with spiral
The extruding and conveying of blade act on, and are discharged from solid-phase outlet, to complete separation of solid and liquid effect.Compared with the prior art, originally
The sludge that invention enters can carry out first pre-separation in the inside of rotary drum, then carry out depth separation by helical blade again,
It is small in identical equipment volume, it can be improved the effect of separation of solid and liquid；The present invention enables to dirt by the second helical blade simultaneously
Mud smoothly excludes completely, and compared with the prior art, the problem of capable of preventing sludge from dead angle occur in rotary drum and corroding improves and turns
Bulging service life.The structure of the improvement of discharge port position and ring baffle is designed simultaneously, can either prevent discharge port from spraying
Sludge out causes percussion to liquid phase, guarantees isolated effect, while changing helical blade length and driving motor function
In the case where rate, it is able to extend the extrusion time of sludge, so that residence time of the sludge in rotary drum is improved to greatest extent, thus
Reduce solid phase moisture content.
The present invention enables the material come out from rotary drum uniformly to be divided by the way that multiple discharge ports are arranged on rotary drum
It dissipates, convenient for improving the job stability of rotary drum operating.
The present invention is in a relative quiescent by the way that groove is arranged on first annular baffle, convenient for liquid phase in groove
Environment reduces rotary drum to the souring of liquid phase, so that isolated liquid phase is limpider, while the present invention passes through in the second annular
Groove is set on baffle, the sludge of ejection can be stopped and be reflected.And the outer diameter of first annular baffle is greater than second
The outer diameter of ring baffle, convenient for the liquid phase separated and small part solid phase from the gap between the second ring baffle and housing
Discharge in time, so that solid-liquid separates in time, convenient for improving solid-liquid separation effect.
The present invention by the way that first through hole is arranged on first annular baffle, convenient for by the liquid phase separated from first through hole
Middle discharge, and protrusion and the second through-hole are set on the second ring baffle, convenient for being by first annular baffle and the second ring
Solid phase between shape baffle is re-introduced into helical blade by the second through-hole to be squeezed, compared with the prior art directly only
Only with the mode of overflow port, the solid concentration greatly reduced in liquid phase can be improved.
The helical-blade that the present invention is less than on remaining straightway by will be close to the outer diameter of the helical blade of the second ring baffle
The outer diameter of piece prevents sludge in the second ring baffle convenient for being squeezed on the quick jet stream to helical blade of sludge of ejection
Place accumulates and the case where clamping stagnation occurs, improves practicability of the invention.
The hand of spiral of helical blade of the present invention and the second helical blade is on the contrary, make the solid phase and liquid phase that come out from rotary drum
The impact force being subject to is more powerful, convenient for realizing separation again to solid phase and liquid phase, improves solid-liquid separation effect.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of one embodiment of the invention；
Fig. 2 is the structural schematic diagram of first annular baffle and the second ring baffle of the invention；
Marked in the figure: 1, rack, 2, rotary drum, 3, driving motor, the 4, second driving motor, 5, feed inlet, 6, retarder, 7, straight line
Section, 8, conical section, 9, helical blade, 10, housing, 11, liquid-phase outlet, 12, solid-phase outlet, 13, rotation axis, 14, liquid barrier,
15, overflow port, the 16, second helical blade, 17, discharge end, 18, discharge port, 19, first annular baffle, the 20, second annular gear
Plate, 21, connector sleeve, 22, groove, 23, first through hole, 24, protrusion, the 25, second through-hole.
Specific embodiment
The present invention will be further described with reference to the examples below, and described embodiment is only present invention a part
Embodiment is not whole embodiment.Based on the embodiments of the present invention, those skilled in the art are not making
Other embodiments used obtained, belong to protection scope of the present invention under the premise of creative work.
In conjunction with attached drawing, the high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum of the invention, including rack 1,
Rotary drum 2 is installed through bearing in rack 1, the driving motor 3 for driving rotary drum 2 to rotate is installed in rack 1, wherein as this
A kind of mode of selection is invented, the percutaneous band connection of the output shaft of driving motor 3 has retarder 6, the output shaft and rotary drum of retarder 6
2 connections, the inside of rotary drum 2 are hollow structure, and rotary drum 2 includes straightway 7 and conical section 9, the periphery of straightway 7 and conical section 8
It is provided with helical blade 9,8 side of conical section is connected with feed pipe 4, and feed pipe 4 is pierced by bearing and is connected with feed inlet 5, passes through
Feed inlet 5 adds the sludge for being added and having flocculant into rotary drum, and the inside of rotary drum 5, rotary drum 2 are then entered by feed pipe 4
Periphery be provided with the housing 10 being mounted in rack 1, wherein the junction of housing and rack is sealed place by sealant
It manages, is provided with liquid-phase outlet 11 on the housing 10 of 7 side of straightway, is wherein also connected with liquid barrier on the rotary drum of straightway end
14, overflow port 15 is offered on liquid barrier 14, and the channel of liquid phase outflow and and liquid-phase outlet are formed between liquid barrier 14 and housing
Connection, those skilled in the art can be appreciated and understood that details are not described herein；It is provided on the housing 10 of 8 side of conical section solid
Mutually outlet 12 offers discharge port 18 on the straightway 7 of 11 side of liquid-phase outlet, is provided with rotation axis 13 in the rotary drum 2,
The periphery of rotation axis 13 is provided with the second helical blade 16, wherein the internal diameter of the second helical blade 16 and rotary drum 2 cooperates, turns
Moving axis 13 extends conical section 8 and is equipped with feed inlet 5, and the position in rotation axis 13 close to 8 end of conical section is provided with discharging
Port 17 is provided in the rack 1 for driving i other words the sludge that feed inlet 5 enters just is discharged after entering conical section 8
The tail portion of the second helical blade 16 is arranged in (here in the second driving motor 4 that rotation axis 2 rotates in rotary drum 2, the discharge port
Tail portion be the second helical blade far from feed inlet 5 end), and discharge port 18 is close to liquid-phase outlet 11；It is close to turn
The periphery of rotary drum of drum straightway end is arranged with ring baffle, has between passing through for water flow between ring baffle and housing
Gap, the position of ring baffle is on the rotary drum between liquid-phase outlet 11 and discharge port 18.
The discharge port is provided with multiple, and each discharge port is uniformly provided with the circumferencial direction of rotary drum 2.
Ring baffle of the invention includes first annular baffle 19 and the second ring baffle 20, first baffle 19 and second gear
Plate 20 links together through connector sleeve 21, and wherein the inner wall of connector sleeve 21 is sealed against each other with the outer wall of rotary drum 2 and connect, and is connected
The sealing ring being provided with for being sealed with rotary drum 2 is put on, first annular baffle 19 is provided with ball close to 11 side of liquid-phase outlet
Perhaps 22 second ring baffle 20 of hemispherical groove close to 18 side of discharge port is provided with spherical or hemispherical groove 22 to shape, the
The outer diameter of one ring baffle 19 is greater than the outer diameter of the second ring baffle 20.
First that the first annular baffle 19 of perforation is offered in the spherical shape or hemispherical groove of first annular baffle 19 is logical
Hole 23, and first through hole 23 is located on the first annular baffle except connector sleeve 21.
Second ring baffle 20 is provided with the protrusion 24 of arc close to first annular 19 side of baffle, except protrusion 21
The second through-hole 25 is offered on second ring baffle 20.
It is less than the outer diameter of remaining helical blade on straightway close to the outer diameter of the helical blade 9 of the second ring baffle 20, i.e.,
It is to say that the outer diameter of the helical blade nearest from the second ring baffle 20 is less than the outer diameter of the helical blade on remaining straightway 7.
As a kind of preferred mode of the present invention, the hand of spiral of second helical blade and the spiral shell of the first helical blade
Revolve contrary, the direction of rotation of the first helical blade and the second helical blade is opposite.
Wherein, the both ends of rotary drum 2 are equipped with bearing, and rotation axis 13 is located on rotary drum 2 through bearing holder (housing, cover).
The high efficiency sewage dehydration equipment that can prevent sludge from adhering to rotary drum of the invention is added in use wadding
The sludge of solidifying agent is entered in rotation axis by feed inlet, and is sprayed in the discharge end close to conical section end, sludge
Under the extruding impetus of the second helical blade of rotation axis periphery, sludge is realized and is separated for the first time, liquid phase after separation and
Solid phase passes through liquid phase discharge port respectively and solid phase discharge port has respectively entered between rotary drum and housing, is sprayed (just by discharge port
Speed is larger), under the action of the second ring baffle groove, the effect of first time blocking reflected can be carried out to the sludge of ejection,
Therefore, what the sludge of ejection can be quickly distributed gets rid of outward from center, so that most of sludge is towards the direction of helical blade
It is conveyed, a small amount of sludge and is passed through between the second ring baffle and housing in the liquid phase separated of centrifugal force effect
Gap enters between first annular baffle and the second ring baffle, and sludge is in the blocking of first annular baffle and the second annular
Under the guide functions of baffle protrusion, sludge again passes through the second ring baffle by the second through-hole and is squeezed by helical blade
Pressure, and liquid phase is since centrifugal force is relatively small, liquid phase is flowed out through first through hole, finally it is discharged from liquid-phase outlet, and solid phase
It as the extruding and conveying of helical blade act on, is discharged from solid-phase outlet, to complete separation of solid and liquid effect.Compared to existing
Technology, the sludge that the present invention enters can carry out first pre-separation in the inside of rotary drum, then be carried out again by helical blade deep
Degree separation, it is small in identical equipment volume, it can be improved the effect of separation of solid and liquid；The present invention can by the second helical blade simultaneously
So that sludge smoothly excludes completely, compared with the prior art, the problem of capable of preventing sludge from dead angle occur in rotary drum and corroding,
Improve the service life of rotary drum.The structure of the improvement of discharge port position and ring baffle is designed simultaneously, can either be prevented out
The sludge that material mouth sprays causes percussion to liquid phase, guarantees isolated effect, while changing helical blade length and driving
In the case where power of motor, it is able to extend the extrusion time of sludge, thus when improving stop of the sludge in rotary drum to greatest extent
Between, to reduce solid phase moisture content.
The present invention enables the material come out from rotary drum uniformly to be divided by the way that multiple discharge ports are arranged on rotary drum
It dissipates, convenient for improving the job stability of rotary drum operating.
The present invention is in a relative quiescent by the way that groove is arranged on first annular baffle, convenient for liquid phase in groove
Environment reduces rotary drum to the souring of liquid phase, so that isolated liquid phase is limpider, while the present invention passes through in the second annular
Groove is set on baffle, the sludge of ejection can be stopped and be reflected.And the outer diameter of first annular baffle is greater than second
The outer diameter of ring baffle, convenient for the liquid phase separated and small part solid phase from the gap between the second ring baffle and housing
Discharge in time, so that solid-liquid separates in time, convenient for improving solid-liquid separation effect.
The present invention by the way that first through hole is arranged on first annular baffle, convenient for by the liquid phase separated from first through hole
Middle discharge, and protrusion and the second through-hole are set on the second ring baffle, convenient for being by first annular baffle and the second ring
Solid phase between shape baffle is re-introduced into helical blade by the second through-hole to be squeezed, compared with the prior art directly only
Only with the mode of overflow port, the solid concentration greatly reduced in liquid phase can be improved.
The helical-blade that the present invention is less than on remaining straightway by will be close to the outer diameter of the helical blade of the second ring baffle
The outer diameter of piece prevents sludge in the second ring baffle convenient for being squeezed on the quick jet stream to helical blade of sludge of ejection
Place accumulates and the case where clamping stagnation occurs, improves practicability of the invention.
The hand of spiral of helical blade of the present invention and the second helical blade is on the contrary, make the solid phase and liquid phase that come out from rotary drum
The impact force being subject to is more powerful, convenient for realizing separation again to solid phase and liquid phase, improves solid-liquid separation effect.
Claims (7)
1. one kind can prevent the high efficiency sewage dehydration equipment of sludge adherency rotary drum, including rack, installed in rack through bearing
There is rotary drum, the driving motor for driving rotary drum to rotate is installed in rack, the inside of rotary drum is hollow structure, and rotary drum includes straight
The periphery of line segment and conical section, straightway and conical section is provided with helical blade, and conical section is equipped with feed inlet, rotary drum it is outer
It encloses and is provided with rack-mounted housing, liquid-phase outlet is provided on the housing of straightway side, is set on the housing of conical section side
It is equipped with solid-phase outlet, offers discharge port on straightway, which is characterized in that rotation axis is provided in the rotary drum, rotation axis
Periphery is provided with the second helical blade, and rotation axis extends conical section and is equipped with feed inlet, close to conical section end in rotation axis
The position in portion is provided with discharge end, and the second driving electricity for driving rotation axis to rotate in rotary drum is provided in the rack
Machine, the tail portion of the second helical blade is arranged in the discharge port, and discharge port is close to liquid-phase outlet, close rotary drum straightway end
The periphery of the rotary drum in portion is arranged with ring baffle, has the gap passed through for water flow, annular gear between ring baffle and housing
The position of plate is on the rotary drum between liquid-phase outlet and discharge port.
2. the high efficiency sewage dehydration equipment according to claim 1 that sludge adherency rotary drum can be prevented, which is characterized in that
The discharge port is provided with multiple, and each discharge port is uniformly provided with the circumferencial direction of rotary drum.
3. the high efficiency sewage dehydration equipment according to claim 1 that sludge adherency rotary drum can be prevented, which is characterized in that
The ring baffle includes first annular baffle and the second ring baffle, and first baffle and second baffle are connected to one through connector sleeve
It rises, first annular baffle is provided with spherical or hemispherical groove close to liquid-phase outlet side, and the second ring baffle is close to discharge port
Side is provided with spherical or hemispherical groove, and the outer diameter of first annular baffle is greater than the outer diameter of the second ring baffle.
4. the high efficiency sewage dehydration equipment according to claim 3 that sludge adherency rotary drum can be prevented, which is characterized in that
The first through hole for penetrating through first annular baffle, and through-hole position are offered in the spherical shape or hemispherical groove of first annular baffle
On first annular baffle except connector sleeve.
5. the high efficiency sewage dehydration equipment according to claim 3 that sludge adherency rotary drum can be prevented, which is characterized in that
Second ring baffle is provided with the protrusion of arc close to first annular baffle side, opens on the second ring baffle except protrusion
Equipped with the second through-hole.
6. the high efficiency sewage dehydration equipment according to claim 3 that sludge adherency rotary drum can be prevented, which is characterized in that
It is less than the outer diameter of remaining helical blade on straightway close to the outer diameter of the helical blade of the second ring baffle.
7. the high efficiency sewage dehydration equipment according to claim 1 that sludge adherency rotary drum can be prevented, which is characterized in that
The hand of spiral of second helical blade and the hand of spiral of the first helical blade are on the contrary, the first helical blade and the second spiral
The direction of rotation of blade is opposite.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324371.XA CN109368969A (en) | 2018-11-08 | 2018-11-08 | A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811324371.XA CN109368969A (en) | 2018-11-08 | 2018-11-08 | A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368969A true CN109368969A (en) | 2019-02-22 |
Family
ID=65383673
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811324371.XA Withdrawn CN109368969A (en) | 2018-11-08 | 2018-11-08 | A kind of high efficiency sewage dehydration equipment that can prevent sludge adherency rotary drum |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368969A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586344A (en) * | 2019-08-30 | 2019-12-20 | 浙江工业大学 | Horizontal screw centrifuge |
| CN112321126A (en) * | 2021-01-04 | 2021-02-05 | 嘉特(烟台)国际贸易有限公司 | Sewage treatment device |
-
2018
- 2018-11-08 CN CN201811324371.XA patent/CN109368969A/en not_active Withdrawn
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110586344A (en) * | 2019-08-30 | 2019-12-20 | 浙江工业大学 | Horizontal screw centrifuge |
| CN110586344B (en) * | 2019-08-30 | 2024-05-03 | 浙江工业大学 | Horizontal screw centrifuge |
| CN112321126A (en) * | 2021-01-04 | 2021-02-05 | 嘉特(烟台)国际贸易有限公司 | Sewage treatment device |
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Application publication date: 20190222 |
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| WW01 | Invention patent application withdrawn after publication |