CN107304097A - Sludge dehydration device - Google Patents
Sludge dehydration device Download PDFInfo
- Publication number
- CN107304097A CN107304097A CN201710411194.8A CN201710411194A CN107304097A CN 107304097 A CN107304097 A CN 107304097A CN 201710411194 A CN201710411194 A CN 201710411194A CN 107304097 A CN107304097 A CN 107304097A
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- Prior art keywords
- sludge
- piece
- tube
- inner tube
- post
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- 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
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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
- C02F11/12—Treatment of sludge; Devices therefor by de-watering, drying or thickening
-
- 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
- C02F11/006—Electrochemical treatment, e.g. electro-oxidation or electro-osmosis
-
- 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
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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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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (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)
- Electrochemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Mechanical Engineering (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses sludge dehydration device, belong to device for dehydrating sladge waste technical field, dehydrating effect is good, including outer tube, insulation is connected with sludge input mechanism in the lower port of outer tube, insulation is connected with the mud cake output mechanism provided with differential mechanism in the upper port of outer tube；Inner tube is provided with outer tube, the lower end of inner tube is rotatably connected on sludge input mechanism, and the upper end of inner tube is fixedly connected on the differential output revolving shaft of differential mechanism；The inner tube lower opening being connected with the tube chamber of inner tube is provided with the outer surface lower end of inner tube, barrier plate is fixedly connected with the tube chamber interior sealing of inner tube, and barrier plate is located at the upper side of inner tube lower opening；Provided with the helical feed piece that can convey the sludge between outer tube and inner tube from the bottom up on the outer surface of inner tube, sludge import and water out are respectively equipped with sludge input mechanism；Insulating support is provided with the inner tubal wall of outer tube, anode mechanism is provided with insulating support；Inner tube is cathode mechanism.
Description
Technical field
The present invention relates to device for dehydrating sladge waste technical field, and in particular to sludge dehydration device.
Background technology
Moisture in sludge is roughly divided into intergranular capillary water, interstitial water, the absorption water of particle and the class of internal water four, respectively
The relation for planting moisture and mud granule combination degree is represented by：Internal water ＞ adsorbs water ＞ capillary water ＞ interstitial waters.Due to dirt
Internal water, absorption water, capillary water and interstitial water in mud typically all contain bacterium.
Existing sludge treatment device typically uses the mechanical dehydration modes such as centrifugation or filtration method by the interstitial water in sludge
After sloughing, just no longer the sludge containing internal water, absorption water and capillary water is handled, causes the sludge pair after so processing
The influence of environment is still larger.
The content of the invention
The present invention is can not to handle internal water, absorption water and the capillary water in sludge to solve existing sludge treatment device
It is not enough there is provided one kind is pollution-free, flexibility is high, and highly reliable, dehydrating effect is good, it is easy to safeguard, sludge can be electrolysed
The sludge dehydration device of dehydration.
Above technical problem is solved by following technical proposal：
Sludge dehydration device, including sludge space water filtering mechanism, in addition to outer tube and pump dredger, in the lower port of outer tube
Upper insulation is connected with sludge input mechanism, and insulation is connected with the mud cake output mechanism provided with differential mechanism in the upper port of outer tube；
Inner tube is provided with outer tube, the lower end insulation of inner tube is rotatably connected on sludge input mechanism, the upper end insulation of inner tube is fixed to be connected
It is connected on the differential output revolving shaft of differential mechanism；So as to form electrolyte chamber between the inner and outer pipe sections；On the outer surface of inner tube
Provided with the helical feed piece that can convey the sludge between outer tube and inner tube from the bottom up, it is respectively equipped with sludge input mechanism
The sludge import being connected with electrolyte chamber and water out；Insulating support is provided with the inner tubal wall of outer tube, is set on insulating support
There is anode mechanism；Said inner tube is cathode mechanism；The mud inlet docking of pump dredger is connected to the dirt of sludge space water filtering mechanism
In mud outlet, the mud mouth docking of pump dredger is connected on the sludge outlet of sludge input mechanism.
Electrolysis treatment technology be under DC Electric Field, by the way that a series of electrochemical reactions occur in reactor design,
Substantial amounts of free radical is produced, and utilizes the strong oxidizing property of free radical to contaminant degradation.It is that sludge is with bacterium to be electrolysed dewatering Principle
Micelle is the flco shape material of main body, and with certain negative electrical charge.The center of colloid is referred to as glue core.Its adsorption one layer
The potential ion of ion with electric charge, referred to as colloidal particles.These potential ions or glue nuclear power are from generation, or glue core
Absorption is produced from water.Because potential ion has electrostatic attraction, have again the ionic adsorptions of a large amount of opposite charges current potential from
Around sub, form so-called " electric double layer ".The ion of potential ion part is abutted in these ions, due to the electrostatic force being subject to
By force, attract securely, form close bed；And in these ions ionization potential ion compared with distal part ion, due to what is be subject to
Electrostatic force is weak, the trend spread in oriented water, forms diffusion layer.Electric trend difference between close bed and diffusion layer is referred to as
Stern current potentials, the interface between close bed and diffusion layer is referred to as sliding surface.Part within sliding surface is referred to as micelle, micelle
There is a potential difference between diffusion layer, this potential difference is referred to as the electro kinetic potential of colloid.Sliding surface is generally present in Stern layers
In, i.e., the interface in electric double layer between close bed and diffusion layer.Under electric field action, decentralized medium (be usually water) relative to
The scattered interaction that it is contacted is referred to as electro-osmosis to the phenomenon of motion.The counter ion edge given in sludge applied voltage, diffusion layer
Slide towards electrode movement, while driving hydrone movement.For the sludge colloidal solid of negative electricity electrokinetic potential, whole water are by negative
The tractive force of polar motion, electrolysis dehydration brings into operation, so as to realize sludge dewatering.
This programme connects cathode power supply on anode mechanism, connected on cathode mechanism when to be dehydrated to sludge
Negative power supply.
The interstitial water in sludge is sloughed with sludge space water filtering mechanism first, the sludge after interstitial water is sloughed and also contains
Internal water, absorption water and capillary water, then send the sludge containing internal water, absorption water and capillary water into sludge defeated with pump dredger
In the sludge import for entering mechanism, sludge enters in the electrolyte chamber between anode mechanism and cathode mechanism be electrolysed immediately to be taken off
Water.Water after sludge electrolysis dehydration is from the water out outflow on sludge input mechanism, and sludge is electrolysed the mud cake after dehydration from mud cake
Exported on output mechanism.
This programme first sloughs the interstitial water in sludge, then sludge is dehydrated in electrolyte chamber, and dewatering efficiency is high, nothing
Pollution, flexibility is high, and highly reliable, dehydrating effect is good, it is easy to safeguard, can carry out electrolysis dehydration to sludge, can be de- by electrolysis
The mode of water sloughs the internal water in sludge, absorption water and capillary water.
Preferably, the outer tube include left post, right post, down tube, upper pipe, some pieces of left semicircle pieces and with left semicircle tile
The equal right semi-circle piece of number；The lower port of down tube is connected with sludge input mechanism, and upper port and the mud cake output mechanism of upper pipe connect
Connect；The upper and lower side of left post is connected with down tube and upper pipe respectively, and the upper and lower side of right post is also connected with down tube and upper pipe respectively；Every piece of left side
The left end of halfround bar slice is rotatably connected on left post, and the right-hand member of every piece of left semicircle piece is locked and is connected on right post；Every piece
The left end of right semi-circle piece is also rotatably connected on left post, and the right-hand member of every piece of right semi-circle piece is also locked and is connected to right post
On, and left semicircle piece and right semi-circle piece to be one-to-one just to arrangement；Insulating support adds including block number equal to left semicircle piece block number
The collets of upper right halfround bar slice block number, the one-to-one inner surface being connected on the inner surface of left semicircle piece with right semi-circle piece of collets
On；Anode mechanism includes the positive plate that block number is equal to collets block number；Guide groove is transversely provided with the inner surface of collets, sun
The one-to-one slip of pole plate is fixedly connected in the guide groove of collets；When every piece of right-hand member and right half just to the left semicircle piece of arrangement
The right-hand member of disk is all locked when being connected on right post, just in the corresponding positive plate of left semicircle piece and the collets of right semi-circle piece
Between form electrolyte chamber.
This structure is easy to safeguard, after which block positive plate is broken, you can open left semicircle piece or the right side of correspondence positive plate
Halfround bar slice can be safeguarded or changed to damaged positive plate, easy to maintenance simple, reliability height.
Preferably, the connection that is just all locked to the right-hand member of left semicircle piece and the right-hand member of right semi-circle piece of arrangement when every piece
When on right post, the inner surface of left post, the inner surface of right post, the inner surface of the inner surface of right semi-circle piece and right semi-circle piece are same
On individual periphery.Dehydrating effect is good, and reliability is high.
Preferably, sludge dehydration device also includes microcontroller, memory and display, along the sword of helical feed piece
Portion is provided with external chute on the blade of helical feed piece, and internal chute is provided with the inner bottom surface of external chute along external chute, along
Internal chute is more than the cabling channel of internal chute width on the inner bottom surface of internal chute provided with diameter；Bracing wire is provided with cabling channel,
Connecting rod is provided with internal chute, sliding block is provided with external chute, sliding block is fixedly connected in bracing wire by connecting rod；On sliding block
It is removably connected with rangefinder；Provided with the upper machine cavity being connected with cabling channel in the inner tube held on inner pipe, in inner tube lower end
The lower machine cavity being connected with cabling channel also is provided with inner tube, upper coiling electric motor is provided with upper machine cavity, under being provided with lower machine cavity
Coiling electric motor, the upper end of bracing wire is fixedly connected in the rotating shaft of coiling electric motor, and the lower end of bracing wire is fixedly connected on lower coiling electricity
In the rotating shaft of machine；The memory, display, rangefinder, the control end point of the control end of lower coiling electric motor and upper coiling electric motor
It is not connected with microcontroller.
This programme can be the blade of measurable helical feed piece by rangefinder to the distance of positive plate, further according to being surveyed
The distance between positive plate and the blade of helical feed piece for obtaining can obtain the distance between positive plate and cathode mechanism.This programme
Whether can also there is the damage such as pit by stadia surveying positive plate, be easy to the detection and maintenance to positive plate.
The present invention can reach following effect：
The present invention is first sloughed the interstitial water in sludge with sludge space water filtering mechanism, sloughs the sludge after interstitial water
Also containing internal water, absorption water and capillary water, then the sludge containing internal water, absorption water and capillary water is sent into pump dredger
In the sludge import of sludge input mechanism, sludge enters anode mechanism and the moon under the barrier effect of barrier plate from inner tube lower opening
Electrolysis dehydration is carried out in electrolyte chamber between the mechanism of pole.Sludge is electrolysed the water after dehydration from the water out stream on sludge input mechanism
Go out, the mud cake after sludge electrolysis dehydration is exported from mud cake output mechanism.Pollution-free, flexibility is high, highly reliable, dehydrating effect
It is good, it is easy to safeguard, electrolysis dehydration can be carried out to sludge, can be by way of being electrolysed dehydration by the internal water in sludge, absorption water
Sloughed with capillary water.
Brief description of the drawings
Fig. 1 is a kind of section view attachment structure schematic diagram of the present invention.
Fig. 2 is a kind of section attachment structure schematic diagram at a kind of sliding block of helical feed piece blade of the present invention.
Fig. 3 is a kind of attachment structure signal of the upper coiling electric motor and lower coiling electric motor of the present invention on helical feed piece
Figure.
Fig. 4 is a kind of circuit theory attachment structure schematic block diagram of the present invention.
Embodiment
The present invention is further illustrated with embodiment below in conjunction with the accompanying drawings.
Embodiment, sludge dehydration device, referring to shown in Fig. 1-Fig. 4, including sludge space water filtering mechanism 22, in addition to it is outer
Pipe 27 and pump dredger 21, insulation is connected with sludge input mechanism 18 in the lower port of outer tube, is insulated in the upper port of outer tube
It is connected with the mud cake output mechanism 6 provided with differential mechanism 4；Inner tube 9 is provided with outer tube, the lower end insulation of inner tube rotates 16 and is connected to
On sludge input mechanism, the upper end insulation of inner tube is fixedly connected on the differential output revolving shaft of differential mechanism；So as in inner tube and outside
Electrolyte chamber 28 is formed between pipe；Being provided with the outer surface of inner tube can convey the sludge between outer tube and inner tube from the bottom up
Helical feed piece 14, the sludge import 20 being connected with electrolyte chamber and water out 19 are respectively equipped with sludge input mechanism；
Insulating support 26 is provided with the inner tubal wall of outer tube, anode mechanism 30 is provided with insulating support；Said inner tube is cathode mechanism
13；The mud inlet docking of pump dredger is connected on the sludge outlet of sludge space water filtering mechanism, the mud mouth docking of pump dredger
On the sludge outlet for being connected to sludge input mechanism.
The outer tube 27 include left post 24, right post 11, down tube 17, upper pipe 7, some pieces of left semicircle pieces 23 and with left semicircle piece
The equal right semi-circle piece 25 of block number；The lower port of down tube is connected with sludge input mechanism, and upper port and the mud cake of upper pipe export machine
Structure is connected；The upper and lower side of left post is connected with down tube and upper pipe respectively, and the upper and lower side of right post is also connected with down tube and upper pipe respectively；Often
The left end of block left semicircle piece is rotatably connected on left post, and the right-hand member of every piece of left semicircle piece is locked and is connected on right post；
The left end of every piece of right semi-circle piece is also rotatably connected on left post, and the right-hand member of every piece of right semi-circle piece is also locked and is connected to the right side
On post, and left semicircle piece and right semi-circle piece to be one-to-one just to arrangement；Insulating support includes block number and is equal to left semicircle piece block number
Plus the collets 10 of right semi-circle piece block number, collets are one-to-one be connected on the inner surface of left semicircle piece and right semi-circle piece it is interior
On surface；Anode mechanism includes the positive plate 29 that block number is equal to collets block number；It is transversely provided with and leads on the inner surface of collets
To groove 45, the one-to-one slip of positive plate is fixedly connected in the guide groove of collets；When every piece just to the left semicircle piece of arrangement
The right-hand member of right-hand member and right semi-circle piece is all locked when being connected on right post, just in the corresponding positive plate of left semicircle piece and right semi-circle
Electrolyte chamber 28 is formed between the collets of piece.
Just the right-hand member of left semicircle piece and the right-hand member of right semi-circle piece of arrangement are all locked and be connected on right post when every piece
When, the inner surface of left post, the inner surface of right post, the inner surface of the inner surface of right semi-circle piece and right semi-circle piece are in same periphery
On.
Sludge dehydration device also includes microcontroller 46, memory 47 and display 48, along the blade of helical feed piece
33 are provided with external chute 34 on the blade of helical feed piece, and internal chute 36 is provided with the inner bottom surface of external chute along external chute,
It is more than the cabling channel 37 of internal chute width provided with diameter on the inner bottom surface of internal chute along internal chute；Provided with drawing in cabling channel
Line 38, is provided with connecting rod 35 in internal chute, sliding block 32 is provided with external chute, sliding block is fixedly connected on bracing wire by connecting rod
On；Rangefinder 31 is removably connected with sliding block；Provided with the upper machine cavity being connected with cabling channel in the inner tube held on inner pipe
39, the lower machine cavity 44 being connected with cabling channel also is provided with the inner tube of inner tube lower end, upper coiling electric motor is provided with upper machine cavity
41, lower coiling electric motor 43 is provided with lower machine cavity, the upper end of bracing wire is fixedly connected in the rotating shaft 40 of coiling electric motor, bracing wire
Lower end is fixedly connected in the rotating shaft 42 of lower coiling electric motor；The memory, display, rangefinder, the control of lower coiling electric motor
The control end of end and upper coiling electric motor is connected with microcontroller respectively.The control end of differential mechanism is connected with microcontroller.
Left semicircle piece 23 in the present embodiment includes a left semicircle piece 1, No. two left semicircle pieces 2 and No. three left semicircle pieces 3,
Right semi-circle piece 25 includes a right semi-circle piece 15, No. two right semi-circle pieces 12 and No. three right semi-circle pieces 8.
The present embodiment connects cathode power supply on anode mechanism, connect on cathode mechanism when to be dehydrated to sludge
Upper negative power supply.
The interstitial water in sludge is sloughed with sludge space water filtering mechanism first, the sludge after interstitial water is sloughed and also contains
Internal water, absorption water and capillary water, then send the sludge containing internal water, absorption water and capillary water into sludge defeated with pump dredger
In the sludge import for entering mechanism, sludge enters in the electrolyte chamber between anode mechanism and cathode mechanism be electrolysed immediately to be taken off
Water.Water after sludge electrolysis dehydration is from the water out outflow on sludge input mechanism, and sludge is electrolysed the mud cake after dehydration from mud cake
Cake outlet 5 on output mechanism is exported.The present embodiment first sloughs the interstitial water in sludge, then sludge is entered in electrolyte chamber
Row dehydration, dewatering efficiency is high, pollution-free, and flexibility is high, and highly reliable, dehydrating effect is good, it is easy to safeguard, can carry out electricity to sludge
Solution dehydration, can be electrolysed dehydration by way of by the internal water in sludge, absorption water and capillary water slough.When which block positive plate is bad
After, you can opening the left semicircle piece or right semi-circle piece of correspondence positive plate can be safeguarded or more to damaged positive plate
Change.The present embodiment can be by rangefinder the blade of measurable helical feed piece to the distance of positive plate, further according to measured
The distance between the blade of positive plate and helical feed piece can obtain the distance between positive plate and cathode mechanism.The present embodiment
Whether can also there is the damage such as pit by stadia surveying positive plate, be easy to the detection and maintenance to positive plate.
Embodiments of the present invention are described above in conjunction with accompanying drawing, but are not limited when realizing by above-described embodiment, this area
Those of ordinary skill can make a variety of changes or change within the scope of the appended claims.
Claims (4)
1. sludge dehydration device, including sludge space water filtering mechanism, it is characterised in that also including outer tube and pump dredger, outside
Insulation is connected with sludge input mechanism in the lower port of pipe, and insulation is connected with the mud cake provided with differential mechanism in the upper port of outer tube
Output mechanism；Inner tube is provided with outer tube, the lower end insulation of inner tube is rotatably connected on sludge input mechanism, and the upper end of inner tube is exhausted
Edge is fixedly connected on the differential output revolving shaft of differential mechanism；So as to form electrolyte chamber between the inner and outer pipe sections；In the outer of inner tube
Side surface is provided with the helical feed piece that can convey the sludge between outer tube and inner tube from the bottom up, on sludge input mechanism
It is respectively equipped with the sludge import being connected with electrolyte chamber and water out；Insulating support is provided with the inner tubal wall of outer tube, in insulation
Support is provided with anode mechanism；Said inner tube is cathode mechanism；The mud inlet docking of pump dredger is connected to the water filtration of sludge space
On the sludge outlet of mechanism, the mud mouth docking of pump dredger is connected on the sludge outlet of sludge input mechanism.
2. sludge dehydration device according to claim 1, it is characterised in that the outer tube include left post, right post, down tube,
Upper pipe, some pieces of left semicircle pieces and the right semi-circle piece equal with left semicircle piece block number；The lower port of down tube and sludge input mechanism
Connection, the upper port of upper pipe is connected with mud cake output mechanism；The upper and lower side of left post is connected with down tube and upper pipe respectively, right post it is upper
Lower end is also connected with down tube and upper pipe respectively；The left end of every piece of left semicircle piece is rotatably connected on left post, and every piece of left semicircle
The right-hand member of piece, which is locked, to be connected on right post；The left end of every piece of right semi-circle piece is also rotatably connected on left post, and every piece of right side
The right-hand member of halfround bar slice, which is also locked, to be connected on right post, and left semicircle piece and right semi-circle piece to be one-to-one just to arrangement；Absolutely
Edge support includes block number and is equal to the collets that left semicircle piece block number adds right semi-circle piece block number, and collets are one-to-one to be connected to left half
On the inner surface of disk and on the inner surface of right semi-circle piece；Anode mechanism includes the positive plate that block number is equal to collets block number；
Guide groove is transversely provided with the inner surface of collets, the one-to-one slip of positive plate is fixedly connected in the guide groove of collets；When
Every piece is just all locked when being connected on right post to the right-hand member of left semicircle piece and the right-hand member of right semi-circle piece of arrangement, just left half
Electrolyte chamber is formed between the corresponding positive plate of disk and the collets of right semi-circle piece.
3. sludge dehydration device according to claim 2, it is characterised in that when every piece of right side just to the left semicircle piece of arrangement
The right-hand member of end and right semi-circle piece is all locked when being connected on right post, the inner surface of left post, the inner surface of right post, right semi-circle piece
Inner surface and right semi-circle piece inner surface on same periphery.
4. sludge dehydration device according to claim 1, it is characterised in that sludge dehydration device also include microcontroller,
Memory and display, are provided with external chute, along external chute along the blade of helical feed piece on the blade of helical feed piece
On the inner bottom surface of external chute be provided with internal chute, along internal chute on the inner bottom surface of internal chute provided with diameter be more than internal chute it is wide
The cabling channel of degree；Bracing wire is provided with cabling channel, connecting rod is provided with internal chute, sliding block is provided with external chute, sliding block leads to
Connecting rod is crossed to be fixedly connected in bracing wire；Rangefinder is removably connected with sliding block；Be provided with the inner tube held on inner pipe with
The upper machine cavity that cabling channel is connected, also is provided with the lower machine cavity being connected with cabling channel, in upper machine cavity in the inner tube of inner tube lower end
It is interior to be provided with upper coiling electric motor, lower coiling electric motor is provided with lower machine cavity, the upper end of bracing wire is fixedly connected on turning for coiling electric motor
On axle, the lower end of bracing wire is fixedly connected in the rotating shaft of lower coiling electric motor；The memory, display, rangefinder, lower coiling electricity
The control end of machine and the control end of upper coiling electric motor are connected with microcontroller respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411194.8A CN107304097B (en) | 2017-06-02 | 2017-06-02 | Sludge dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710411194.8A CN107304097B (en) | 2017-06-02 | 2017-06-02 | Sludge dewatering device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107304097A true CN107304097A (en) | 2017-10-31 |
| CN107304097B CN107304097B (en) | 2020-05-08 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710411194.8A Expired - Fee Related CN107304097B (en) | 2017-06-02 | 2017-06-02 | Sludge dewatering device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640881A (en) * | 2017-11-03 | 2018-01-30 | 张佩春 | A kind of sewage pre-dehydration device of band recoil cleaning |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253844A (en) * | 2013-05-02 | 2013-08-21 | 上海同臣环保有限公司 | Foldable screw type sludge dewatering machine with electroosmotic dewatering function |
| CN104496146A (en) * | 2014-11-21 | 2015-04-08 | 朱越 | Sludge dewatering machine |
-
2017
- 2017-06-02 CN CN201710411194.8A patent/CN107304097B/en not_active Expired - Fee Related
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103253844A (en) * | 2013-05-02 | 2013-08-21 | 上海同臣环保有限公司 | Foldable screw type sludge dewatering machine with electroosmotic dewatering function |
| CN104496146A (en) * | 2014-11-21 | 2015-04-08 | 朱越 | Sludge dewatering machine |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107640881A (en) * | 2017-11-03 | 2018-01-30 | 张佩春 | A kind of sewage pre-dehydration device of band recoil cleaning |
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| Publication number | Publication date |
|---|---|
| CN107304097B (en) | 2020-05-08 |
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