CN109368968A - A kind of high efficiency sewage treatment facility - Google Patents
A kind of high efficiency sewage treatment facility Download PDFInfo
- Publication number
- CN109368968A CN109368968A CN201811306757.8A CN201811306757A CN109368968A CN 109368968 A CN109368968 A CN 109368968A CN 201811306757 A CN201811306757 A CN 201811306757A CN 109368968 A CN109368968 A CN 109368968A
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- China
- Prior art keywords
- rotary drum
- liquid
- discharge port
- phase
- rack
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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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)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Mechanical Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Centrifugal Separators (AREA)
Abstract
The invention belongs to sludge treatment device fields, disclose a kind of high efficiency sewage treatment facility, in order to solve the problems, such as that existing centrifuge causes to easily corrode since can not rotary drum all be discharged in sludge.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.
Description
Technical field
The invention belongs to sludge treatment device technical fields, and in particular to a kind of high efficiency sewage treatment facility.
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.
Summary of the invention
The present invention mentions to solve the problems, such as that existing centrifuge causes to easily corrode since can not rotary drum all be discharged in sludge
For a kind of high efficiency sewage treatment facility, sludge can either quickly be discharged, prevent sludge long-term adhesion in the inside of rotary drum and
The problem of corroding, while the effect of sludge separation of solid and liquid can also be greatly improved.
In order to solve the technical problem, the technical scheme adopted by the invention is that:
A kind of high efficiency sewage treatment facility, including rack are equipped with rotary drum through bearing in rack, are equipped in rack for driving
The driving motor of rotary drum rotation, the inside of rotary drum are hollow structure, and rotary drum includes straightway and conical section, straightway and conical section
Periphery be provided with helical blade, conical section is equipped with feed inlet, and the periphery of rotary drum is provided with rack-mounted housing,
It is provided with liquid-phase outlet on the housing of straightway side, solid-phase outlet is provided on the housing of conical section side, is offered on straightway
Discharge port, which is characterized in that 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, and the position in rotation axis close to conical section end is provided with discharge end, described
The second driving motor for driving rotation axis to rotate in rotary drum is provided in rack, the discharge port is arranged in the second spiral
The tail portion of blade, and discharge port is close to liquid-phase outlet.
The discharge port is provided with multiple, and each discharge port is uniformly provided with the circumferencial direction of rotary drum.
The internal diameter of the rotary drum is equipped with reducer, and reducer is located at close to the end of liquid-phase outlet, the internal diameter of reducer from
It is gradually increased close to liquid-phase outlet to the direction far from liquid-phase outlet；The discharge port includes liquid phase discharge port and solid phase discharging
Mouthful, liquid phase discharge port is close to liquid-phase outlet, and solid phase discharge port is far from liquid-phase outlet.
The liquid phase discharge port and the interlaced setting of solid phase discharge port.
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 both ends of the rotary drum are equipped with bearing, and rotation axis is located on rotary drum through bearing holder (housing, cover).
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 liquid phase discharge port respectively and solid phase discharge port has respectively entered between rotary drum and housing, in helical-blade
It completes to be separated by solid-liquid separation under the squeezing action again of piece.
Compared with prior art, the invention has the following advantages:
High efficiency sewage treatment facility of the invention be added in use have the sludge of flocculant by feed inlet enter turn
It on moving axis, and is sprayed in the discharge end close to conical section end, second helical blade of the sludge in rotation axis periphery
It squeezes under impetus, sludge realizes and separate for the first time that liquid phase and solid phase after separation pass through liquid phase discharge port and solid phase respectively
Discharge port has respectively entered between rotary drum and housing, completes to be separated by solid-liquid separation under the squeezing action again of helical blade.Compared to
The prior art, the sludge that the present invention enters can carry out first pre-separation in the inside of rotary drum, then again by helical blade into
The separation of row depth, it is small in identical equipment volume, it can be improved the effect of separation of solid and liquid；The present invention passes through the second helical blade simultaneously
It enables to sludge smoothly to exclude completely, compared with the prior art, can prevent sludge from dead angle occur in rotary drum and corroding
Problem improves the service life of rotary drum.
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 by the design to rotary drum inside reducer, so that the biggish solid phase of centrifugal force is arranged from solid phase discharge port
Out, liquid phase is discharged from liquid phase discharge port, realizes the pre-separation to solid-liquid, improves solid-liquid separation effect.
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 partial enlarged view schematic diagram in Fig. 1 at A；
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, liquid phase discharge port, 19, solid phase discharge port.
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, high efficiency sewage treatment facility of the invention, including rack 1 is equipped with rotary drum 2 through bearing in rack 1,
Driving motor 3 for driving rotary drum 2 to rotate is installed in rack 1, wherein as a kind of mode of selection of the present invention, driving electricity
The percutaneous band connection of the output shaft of machine 3 has retarder 6, and the output shaft of retarder 6 is connect with rotary drum 2, and the inside of rotary drum 2 is hollow knot
Structure, rotary drum 2 include straightway 7 and conical section 9, and the periphery of straightway 7 and conical section 8 is provided with helical blade 9, conical section 8
Side is connected with feed pipe 4, and feed pipe 4 is pierced by bearing and is connected with feed inlet 5, and adding addition into rotary drum by feed inlet 5 has
Then the sludge of flocculant enters the inside of rotary drum 5 by feed pipe 4, the periphery of rotary drum 2, which is provided with, to be mounted in rack 1
Housing 10, wherein the junction of housing and rack is sealed processing by sealant, is arranged on the housing 10 of 7 side of straightway
There is liquid-phase outlet 11, liquid barrier 14 be wherein also connected on the rotary drum of straightway end, overflow port 15 is offered on liquid barrier 14,
The channel of liquid phase outflow is formed between liquid barrier 14 and housing and is connected to liquid-phase outlet, and those skilled in the art can understand
And understanding, details are not described herein；It is provided with solid-phase outlet 12 on the housing 10 of 8 side of conical section, close to the straight of 11 side of liquid-phase outlet
Discharge port is offered on line segment 7, rotation axis 13 is provided in the rotary drum 2, and the periphery of rotation axis 13 is provided with the second helical-blade
Piece 16, wherein the internal diameter of the second helical blade 16 and rotary drum 2 cooperates, rotation axis 13 extend conical section 8 and be equipped with into
Material mouth 5, the position in rotation axis 13 close to 8 end of conical section are provided with discharge end 17, i other words the sludge that feed inlet 5 enters
It is just discharged after entering conical section 8, the second driving for driving rotation axis 2 to rotate in rotary drum 2 is provided in the rack 1
Motor 4, the discharge port be arranged in the second helical blade 16 tail portion (tail portion here be far from feed inlet 5 the second spiral shell
The end of vane piece), and discharge port is close to liquid-phase outlet 11.
The discharge port is provided with multiple, and each discharge port is uniformly provided with the circumferencial direction of rotary drum 2.
The internal diameter of the rotary drum 2 is equipped with reducer, and reducer is located at close to the end of liquid-phase outlet 11, the internal diameter of reducer
Direction from close to liquid-phase outlet 11 to far from liquid-phase outlet 11 is gradually increased；The discharge port includes liquid phase discharge port 18 and consolidates
Phase discharge port 19, liquid phase discharge port 18 is close to liquid-phase outlet 11, and solid phase discharge port 19 is far from liquid-phase outlet 11, i other words liquid phase goes out
The path side of reducer is arranged in material mouth 19, and solid phase discharge port 19 is provided with the major diameter side of reducer.
For the ease of point discharging for solid-liquid and liquid phase, the liquid phase discharge port 18 and solid phase discharge port 19 is interlaced sets
It sets, i other words the major diameter section beside the position for being provided with liquid phase discharge port is not provided with solid phase discharge port, realizes liquid phase discharge port
With being staggered for solid phase discharge port.
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.
The both ends of the rotary drum 2 are equipped with bearing, and rotation axis 13 is located on rotary drum 2 through bearing holder (housing, cover).
High efficiency sewage treatment facility of the invention is added in use has the sludge of flocculant to enter by feed inlet
It is sprayed onto rotation axis, and in the discharge end close to conical section end, second helical-blade of the sludge in rotation axis periphery
Under the extruding impetus of piece, sludge realize for the first time separate, liquid phase and solid phase after separation pass through respectively liquid phase discharge port and
Solid phase discharge port has respectively entered between rotary drum and housing, completes to be separated by solid-liquid separation under the squeezing action again of helical blade.Phase
Pre-separation can be carried out first in the inside of rotary drum than the sludge that in the prior art, the present invention enters, then pass through helical-blade again
Piece carries out depth separation, small in identical equipment volume, can be improved the effect of separation of solid and liquid；The present invention passes through the second spiral simultaneously
Blade enables to sludge smoothly to exclude completely, compared with the prior art, can prevent sludge from dead angle occur in rotary drum and rotten
The problem of erosion, improves the service life of rotary drum.
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 by the design to rotary drum inside reducer, so that the biggish solid phase of centrifugal force is arranged from solid phase discharge port
Out, liquid phase is discharged from liquid phase discharge port, realizes the pre-separation to solid-liquid, improves solid-liquid separation effect.
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 (6)
1. a kind of high efficiency sewage treatment facility, including rack, rotary drum is installed through bearing in rack, is equipped in rack for band
The driving motor of turn drum rotation, the inside of rotary drum are hollow structure, and rotary drum includes straightway and conical section, straightway and taper
The periphery of section is provided with helical blade, and conical section is equipped with feed inlet, and the periphery of rotary drum is provided with rack-mounted cover
Shell is provided with liquid-phase outlet on the housing of straightway side, solid-phase outlet is provided on the housing of conical section side, is opened up on straightway
There is discharge port, which is characterized in that rotation axis is provided in the rotary drum, the periphery of rotation axis is provided with the second helical blade, turns
Moving axis extends conical section and is equipped with feed inlet, and the position in rotation axis close to conical section end is provided with discharge end, institute
The second driving motor being provided in rack for driving rotation axis to rotate in rotary drum is stated, the discharge port is arranged in the second spiral shell
The tail portion of vane piece, and discharge port is close to liquid-phase outlet.
2. high efficiency sewage treatment facility according to claim 1, which is characterized in that the discharge port be provided with it is multiple, and
And each discharge port is uniformly provided with the circumferencial direction of rotary drum.
3. high efficiency sewage treatment facility according to claim 2, which is characterized in that the internal diameter of the rotary drum is equipped with variable diameter
Section, reducer are located at close to the end of liquid-phase outlet, side of the internal diameter of reducer from close to liquid-phase outlet to far from liquid-phase outlet
To being gradually increased；The discharge port includes liquid phase discharge port and solid phase discharge port, and liquid phase discharge port goes out close to liquid-phase outlet, solid phase
Material mouth is far from liquid-phase outlet.
4. high efficiency sewage treatment facility according to claim 3, which is characterized in that the liquid phase discharge port and solid phase discharging
The interlaced setting of mouth.
5. high efficiency sewage treatment facility according to claim 1, which is characterized in that the spiral side of second helical blade
To with the hand of spiral of the first helical blade on the contrary, the direction of rotation of the first helical blade and the second helical blade is opposite.
6. high efficiency sewage treatment facility according to claim 1, which is characterized in that the both ends of the rotary drum are equipped with axis
It holds, rotation axis is located on rotary drum through bearing holder (housing, cover).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811306757.8A CN109368968A (en) | 2018-11-05 | 2018-11-05 | A kind of high efficiency sewage treatment facility |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811306757.8A CN109368968A (en) | 2018-11-05 | 2018-11-05 | A kind of high efficiency sewage treatment facility |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109368968A true CN109368968A (en) | 2019-02-22 |
Family
ID=65397656
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811306757.8A Withdrawn CN109368968A (en) | 2018-11-05 | 2018-11-05 | A kind of high efficiency sewage treatment facility |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109368968A (en) |
Cited By (1)
| 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 |
-
2018
- 2018-11-05 CN CN201811306757.8A patent/CN109368968A/en not_active Withdrawn
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 |
| CN110586344B (en) * | 2019-08-30 | 2024-05-03 | 浙江工业大学 | Horizontal screw centrifuge |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WW01 | Invention patent application withdrawn after publication | ||
| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190222 |