CN107162381A - A kind of device for treating sludge and its method - Google Patents
A kind of device for treating sludge and its method Download PDFInfo
- Publication number
- CN107162381A CN107162381A CN201710639562.4A CN201710639562A CN107162381A CN 107162381 A CN107162381 A CN 107162381A CN 201710639562 A CN201710639562 A CN 201710639562A CN 107162381 A CN107162381 A CN 107162381A
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- Prior art keywords
- mud
- space
- treating sludge
- placement space
- strong rammer
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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
- 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
- C02F11/14—Treatment of sludge; Devices therefor by de-watering, drying or thickening with addition of chemical agents
Abstract
The invention discloses a kind of device for treating sludge, including permeable layer assembly, the permeable layer assembly surrounds the mud placement space of opening upwards setting, the circumferential outside of permeable layer assembly is provided with ponding space, the ponding space is connected with the input port conducting of the water pump in aspirator, also include being arranged at the strong rammer device on the outside of mud placement space, the strong rammer device includes being arranged at the strong rammer hammer above mud placement space, and the strong rammer hammer can be moved downwardly in mud placement space carry out strong rammer operation along the depth direction of mud placement space.The invention also discloses a kind of process for treating sludge.The present invention can improve residual moisture after sludge dewatering speed, sludge dewatering, and less, the mud after dehydration can have more preferable engineering.
Description
Technical field
The present invention relates to sludge treatment technical field；More particularly to a kind of device for treating sludge and its method.
Background technology
The fast, economical development of China brings water conservancy, the climax of harbor approach engineering construction, in various river courses, navigation channel
During dredging and widening and harbour is newly-built, in extension project, is inevitably generated substantial amounts of waste silt.According to incomplete
Statistics, the mud that China discards every year reaches several hundred million cubic meters：The wherein coastal area such as East Sea, Beihai Region generates a great deal of
Mud, while in order to river course be able to maintain that normal flood carrying capacity and ensure thoroughfare unimpeded, the dredging in inland river course
The amount of sludge that quantities is produced is also considerable.Overwhelming majority inland dredging silt is discarded in land throwing area or low at present
Depression area, the original fish pond of some occupancy or cultivated land, and soil is valuable at present, land expropriation cost is very high, the eastern line of such as south water to north
The funds of first phase land acquisition account for 60% or so of engineering total cost.
The main purpose of existing process for treating sludge is dehydration, and the process for treating sludge commonly used in engineering is using outer
Power extrudes mud internal moisture.Chinese patent CN101219297A discloses a kind of U-shaped soft vacuum dredged silt Quick drainage
Method, it is characterised in that multiple rows of U-shaped sand pocket is first set up on the ground of cofferdam, wherein the two ends of U-shaped sand pocket pass through the first water respectively
The longitudinal airway tube of level is connected with horizontal longitudinal drainage pipeline and even for flat transverse drain or the second horizontal cross drainpipe, water
Flat longitudinal drainage pipeline connects vacuum extractor, and level longitudinal direction airway tube connection gas permeable devices form U-shaped space drainage system；Becoming silted up
During mud hydraulic reclamation between the hydraulic reclamation later stage, the ventilative valve of regulation is under low vacuum by drainage system to be drawn water, it is ensured that draining is led to
Unimpeded, the promotion mud-water separation in road, the concentration of the raising mud of larger amplitude.This method produces negative pressure using vacuum extractor,
Mud-water separation can be promoted.But the equipment employed in this method and method can not carry out deep dehydration, place to mud
Mud water content after reason is high, and engineering properties is poor, and still larger stacking face can be taken compared with the mud after deep dehydration
Product, hidden dangers in project is big, the problems such as overlapping development utilizes the cycle long.
Therefore, how can providing one kind, can to improve after sludge dewatering speed, sludge dewatering residual moisture less, takes off
Mud after water can have the device for treating sludge and its method of more preferable engineering, need to be solved as those skilled in the art
Technical problem certainly.
The content of the invention
For above-mentioned the deficiencies in the prior art, the technical problems to be solved by the invention are：How providing one kind can carry
Residual moisture is less after high sludge dewatering speed, sludge dewatering, and the mud after dehydration can have the mud of more preferable engineering
Processing equipment and its method.
In order to solve the above-mentioned technical problem, present invention employs following technical scheme：
A kind of device for treating sludge, including permeable layer assembly and aspirator, the permeable layer assembly surround opening upwards setting
Mud placement space, ponding space is provided with the circumferential outside of permeable layer assembly, the aspirator includes water pump, described
The input port of water pump is connected with ponding space conducting, and its feature is, in addition to is arranged on the outside of mud placement space
Strong rammer device, the strong rammer device includes being arranged at the strong rammer hammer above mud placement space, and the strong rammer hammer can be along mud
The depth direction of placement space is moved downwardly in mud placement space carry out strong rammer operation.
In the technical program, mud is positioned in mud placement space, the part moisture inside mud can directly be worn
Cross permeable layer assembly to be flowed into ponding space, now, ponding space can will be flowed into by turning on the water pump being connected with ponding space
Internal ponding is retracted to ponding outside, is reached for the function of sludge dewatering.Secondly, on the outside of mud placement space
Strong rammer device can carry out strong rammer to the mud in mud placement space, in such manner, it is possible to improve sludge dewatering speed, additionally it is possible to make
Obtaining residual moisture after sludge dewatering, less, the mud after dehydration can have more preferable engineering.Strong rammer device strong rammer hammer from
Moved straight down along the depth direction of mud placement space above mud placement space and give the silt in mud placement space
One extruding force of mud, enables to sludge dewatering speed faster more thorough, by weight in the presence of strong rammer hammer extruding force
Mud after dehydration can have more preferable engineering.
As optimization, include the barrel-shaped foundation ditch that opening upwards are set, the permeable layer assembly include being cylindrical in shape structure and
The geotextiles in foundation ditch are vertically arranged to, the porous screed with water penetration is provided with the outer sheath of geotextiles；The bottom of foundation ditch
Mud placement space is surrounded between face and the madial wall of geotextiles, and the ponding space is arranged at the outer of porous screed
Side.
So, whole permeable layer assembly is inserted in foundation ditch, it can be made to keep original shape facility, even outside
Original shape can be also kept under power effect.Geotextiles have the characteristics of strength is high, corrosion-resistant, water penetration is strong, using geotechnique
The medial surface of cloth is directly contacted with mud can also enable geotextiles to have not with the mud placement space that foundation ditch bottom surface is surrounded
It is yielding, can be muchly corrosion-resistant in the soil and water of different acid-base values, enable to whole equipment that there is longer make
With the life-span, the advantage of good water penetration can be kept.Porous screed is set to enable to mud to put in the outside of geotextiles
Deformation is not produced between being empty, the shape that preferably can be so hammered into shape with the strong rammer of strong rammer device is matched.
As optimization, the bottom surface in the ponding space flushes setting with the bottom surface lowest part of mud placement space；In mud
The bottom of placement space is provided with metalling, and sand stone layer is additionally provided with above metalling.
So, the sewage deviate from the mud for flow through bottom of foundation ditch can be by the filtering of coarse sands layer and metalling in stream
Enter into ponding space, it is possible to increase effluent characteristics.Secondly, when the strong rammer of strong rammer device is hammered into shape to the mud in mud placement space
When carrying out strong rammer, cushioning effect can be played by being arranged on the metalling and sand stone layer of foundation ditch bottom surface, can play protection foundation ditch
Effect.
As optimization, the center of the bottom surface of the foundation ditch is arched upward upwards so that whole bottom surface forms past from bottom surface surrounding
The inclined-plane that bottom center's gradual change rises.
So, be conducive to the sewage deviate from from mud to be evenly dispersed to the surrounding of foundation ditch bottom surface, facilitate sewage to discharge.
As optimization, drain bar is additionally provided between geotextiles and porous screed.
So, drain bar is additionally provided between geotextiles and porous screed to prevent dirt particles from passing through, so that
Drainage channel obstruction is avoided to make duct draining smooth.It quickly can also effectively export the sewage through geotechnological layer of cloth in mud.
As optimization, reja is provided with the upper end open in ponding space.
So, be conducive to operating personnel to walk, effectively prevent debris from falling to ponding interior volume.
As optimization, the aspirator also includes the water inlet pipe being connected with the entrance point of the water pump, the water inlet pipe
The other end extend into the bottom in ponding space, the port of export of water pump is connected with outlet pipe, the other end of the outlet pipe and position
Sedimentation basin in water pump side is connected.
So, the sewage of ponding interior volume can be retracted in sedimentation basin by water pump so that the water after sludge dewatering is followed
Ring is unimpeded, can be conducive to sludge dewatering.
The invention also discloses a kind of process for treating sludge, its feature is, a obtains such as claim 1-7 any one
Device for treating sludge described in claim；B inserts mud in the mud placement space that device for treating sludge has；C is opposed
Strong rammer operation is carried out in the mud in mud placement space, moisture is expressed into the ponding space that device for treating sludge is located at periphery
It is interior；D extracts the water in ponding space out, and the mud after the completion of dewater treatment is transferred to outside equipment from device for treating sludge
Portion, then carry out next subjob.
In the technical program, dewater treatment is carried out to mud using device for treating sludge, mud is inserted into sludge treatment and set
In the standby mud placement space having, now, the water inside mud first passes through coarse sands layer from top to bottom, then is supported after metalling
Up to the bottom surface for having acclive foundation ditch, water is from interior successively laggard by geotechnological layer of cloth, drain bar, porous screed to surrounding afterwards
Enter ponding space, be then exhausted from.Mud is dehydrated in combination with strong rammer works, strong rammer device can carry out strong rammer work to mud
Industry, enables to the water in mud quickly to flow out under the shock that strong rammer is hammered into shape, accelerates the mud after sludge dewatering speed, strong rammer
Engineering property accesses raising.
As optimization, the mud addition special agent inserted in mud placement space is additionally included in the b and stirs equal
It is even, next step operation is carried out again after mud and special agent fully react.
So, the special agent of addition enables to produce a large amount of holes inside mud, and quick-hardening, and brittle property increases
Plus, while hydrophily weakens, hydrophobicity enhancing.Be tod when can facilitate strong rammer operation by changing the physics and chemical property of mud
Mud is crashed, and bubbles burst during strong rammer inside mud, which can form a large amount of transverse cracks and form draining in the horizontal direction, to be led to
Road, while very big excess pore water pressure is internally formed in mud, so that mud internal moisture flows to device for treating sludge
Madial wall.So as to reach the dehydrating effect for realizing fast dewatering and depth.
As optimization, the composition and quality proportioning of the special agent be, 120 ~ 300 parts of cement, quick lime 250 ~ 500
0.02 ~ 0.1 part of part, 0.5 ~ 3.0 part of aluminium powder, 3 ~ 6 parts of water reducer, 5 ~ 10 parts of accelerator and foam stabilizer.
So, the cement in special agent can reduce mud hydrophily, the hard fragility of increase mud, improve mud intensity；
Quick lime can reduce mud hydrophily, the hard fragility of increase mud, improve mud intensity, disinfection, reduce the pollution of mud
Property；Aluminium powder can foam mud, mud hardening when produce a large amount of bubbles, form the hole largely connected, form fag end passage,
Increase mud permeability；Water reducer can increase mud moisture surface activity, make reagent be more easy to mix with mud；Accelerator can add
Fast hardening of cement speed, rapid curing mud effectively shortens the sludge dewatering time.So as to improve sludge dewatering efficiency and reach
To the dehydrating effect of depth.
Brief description of the drawings
Fig. 1 is the structural representation of device for treating sludge in the specific embodiment of the invention.
Fig. 2 is Fig. 1 top view（Strong rammer device and sedimentation basin are omitted in figure）.
Embodiment
The present invention is described in further detail below in conjunction with the accompanying drawings.
During specific implementation：As depicted in figs. 1 and 2, a kind of device for treating sludge, including permeable layer assembly 1 and aspirator
2, the permeable layer assembly 1 surrounds the mud placement space of opening upwards setting, is provided with the circumferential outside of permeable layer assembly 1
Ponding space, the aspirator 2 includes water pump 21, and the input port of the water pump 21 is connected with ponding space conducting, also
Including the strong rammer device 3 being arranged on the outside of mud placement space, the strong rammer device 3 includes being arranged above mud placement space
Strong rammer hammer 31, strong rammer hammer 31 can be moved downwardly to enter in mud placement space along the depth direction of mud placement space
Row strong rammer operation.
In the technical program, mud is positioned in mud placement space, the part moisture inside mud can directly be worn
Cross permeable layer assembly to be flowed into ponding space, now, ponding space can will be flowed into by turning on the water pump being connected with ponding space
Internal ponding is retracted to ponding outside, is reached for the function of sludge dewatering.Secondly, on the outside of mud placement space
Strong rammer device can carry out strong rammer to the mud in mud placement space, in such manner, it is possible to improve sludge dewatering speed, additionally it is possible to make
Obtaining residual moisture after sludge dewatering, less, the mud after dehydration can have more preferable engineering.Strong rammer device strong rammer hammer from
Moved straight down along the depth direction of mud placement space above mud placement space and give the silt in mud placement space
One extruding force of mud, enables to sludge dewatering speed faster more thorough, by weight in the presence of strong rammer hammer extruding force
Mud after dehydration can have more preferable engineering.
In this specific embodiment, in addition to the barrel-shaped foundation ditch 4 that opening upwards are set, the permeable layer assembly 1 is including being in
Tubular structure and the geotextiles 11 being vertically arranged in foundation ditch 4, are provided with porous with water penetration in the outer sheath of geotextiles 11
Screed 12；Mud placement space is surrounded between the bottom surface of foundation ditch 4 and the madial wall of geotextiles 11, and the ponding space is set
It is placed in the outside of porous screed 12.
So, whole permeable layer assembly is inserted in foundation ditch, it can be made to keep original shape facility, even outside
Original shape can be also kept under power effect.Geotextiles have the characteristics of strength is high, corrosion-resistant, water penetration is strong, using geotechnique
The medial surface of cloth is directly contacted with mud can also enable geotextiles to have not with the mud placement space that foundation ditch bottom surface is surrounded
It is yielding, can be muchly corrosion-resistant in the soil and water of different acid-base values, enable to whole equipment that there is longer make
With the life-span, the advantage of good water penetration can be kept.Porous screed is set to enable to mud to put in the outside of geotextiles
Deformation is not produced between being empty, the shape that preferably can be so hammered into shape with the strong rammer of strong rammer device is matched.
In this specific embodiment, the bottom surface in the ponding space flushes with the bottom surface lowest part of mud placement space and set
Put；The bottom of mud placement space is provided with metalling 5, sand stone layer 6 is additionally provided with the top of metalling 5.
So, the sewage deviate from the mud for flow through bottom of foundation ditch can be by the filtering of coarse sands layer and metalling in stream
Enter into ponding space, it is possible to increase effluent characteristics.Secondly, when the strong rammer of strong rammer device is hammered into shape to the mud in mud placement space
When carrying out strong rammer, cushioning effect can be played by being arranged on the metalling and sand stone layer of foundation ditch bottom surface, can play protection foundation ditch
Effect.
In this specific embodiment, the center of the bottom surface of the foundation ditch 4 arch upward upwards so that whole bottom surface formed from
The inclined-plane that bottom surface surrounding rises toward bottom center's gradual change.
So, be conducive to the sewage deviate from from mud to be evenly dispersed to the surrounding of foundation ditch bottom surface, facilitate sewage to discharge.
Wherein, foundation ditch 4 bottom surface formed inclined-plane the gradient be two to percent four percent between.
So, the coarse sand while sewage in being conducive to mud flows to bottom surface surrounding above foundation ditch bottom surface
Layer and metalling are difficult to move around to bottom surface under the effect of strong rammer pressure.
In this specific embodiment, drain bar 13 is additionally provided between geotextiles 11 and porous screed 12.
So, drain bar is additionally provided between geotextiles and porous screed to prevent dirt particles from passing through, so that
Drainage channel obstruction is avoided to make duct draining smooth.It quickly can also effectively export the sewage through geotechnological layer of cloth in mud.
In this specific embodiment, reja 7 is provided with the upper end open in ponding space.
So, be conducive to operating personnel to walk, effectively prevent debris from falling to ponding interior volume.
In this specific embodiment, the aspirator 2 also includes the water inlet pipe being connected with the entrance point of the water pump 21
22, the other end of the water inlet pipe 22 extend into the bottom in ponding space, and the port of export of water pump 21 is connected with outlet pipe 23, described
The other end of outlet pipe 23 is connected with the sedimentation basin 8 positioned at the side of water pump 21.
So, the sewage of ponding interior volume can be retracted in sedimentation basin by water pump so that the water after sludge dewatering is followed
Ring is unimpeded, can be conducive to sludge dewatering.
The invention also discloses a kind of process for treating sludge, it is characterised in that a obtains such as claim 1-7 any one
Device for treating sludge described in claim；B inserts mud in the mud placement space that device for treating sludge has；C is opposed
Strong rammer operation is carried out in the mud in mud placement space, moisture is expressed into the ponding space that device for treating sludge is located at periphery
It is interior；D extracts the water in ponding space out, and the mud after the completion of dewater treatment is transferred to outside equipment from device for treating sludge
Portion, then carry out next subjob.
In the technical program, dewater treatment is carried out to mud using device for treating sludge, mud is inserted into sludge treatment and set
In the standby mud placement space having, now, the water inside mud first passes through coarse sands layer from top to bottom, then is supported after metalling
Up to the bottom surface for having acclive foundation ditch, water is from interior successively laggard by geotechnological layer of cloth, drain bar, porous screed to surrounding afterwards
Enter ponding space, be then exhausted from.Mud is dehydrated in combination with strong rammer works, strong rammer device can carry out strong rammer work to mud
Industry, enables to the water in mud quickly to flow out under the shock that strong rammer is hammered into shape, accelerates the mud after sludge dewatering speed, strong rammer
Engineering property accesses raising.
In this specific embodiment, the mud addition special agent inserted in mud placement space is additionally included in the b
And stir, next step operation is carried out again after mud and special agent fully react.
So, the special agent of addition enables to produce a large amount of holes inside mud, and quick-hardening, and brittle property increases
Plus, while hydrophily weakens, hydrophobicity enhancing.Be tod when can facilitate strong rammer operation by changing the physics and chemical property of mud
Mud is crashed, and bubbles burst during strong rammer inside mud, which can form a large amount of transverse cracks and form draining in the horizontal direction, to be led to
Road, while very big excess pore water pressure is internally formed in mud, so that mud internal moisture flows to device for treating sludge
Madial wall.So as to reach the dehydrating effect for realizing fast dewatering and depth.
In this specific embodiment, the composition and quality proportioning of the special agent be, 120 ~ 300 parts of cement, quick lime
0.02 ~ 0.1 part of 250 ~ 500 parts, 0.5 ~ 3.0 part of aluminium powder, 3 ~ 6 parts of water reducer, 5 ~ 10 parts of accelerator and foam stabilizer.
So, the cement in special agent can reduce mud hydrophily, the hard fragility of increase mud, improve mud intensity；
Quick lime can reduce mud hydrophily, the hard fragility of increase mud, improve mud intensity, disinfection, reduce the pollution of mud
Property；Aluminium powder can foam mud, mud hardening when produce a large amount of bubbles, form the hole largely connected, form fag end passage,
Increase mud permeability；Water reducer can increase mud moisture surface activity, make reagent be more easy to mix with mud；Accelerator can add
Fast hardening of cement speed, rapid curing mud effectively shortens the sludge dewatering time.So as to improve sludge dewatering efficiency and reach
To the dehydrating effect of depth.
Wherein, the best in quality proportioning of special agent is 260 parts of cement, 420 parts of quick lime, 1.8 parts of aluminium powder, water reducer
0.08 part of 5.6 parts, 7.8 parts of accelerator and foam stabilizer.
So, using the special agent of optimum proportioning enable to each component given play to maximum effect, each component it
Between influence each other it is smaller.
Claims (10)
1. a kind of device for treating sludge, including permeable layer assembly（1）And aspirator（2）, the permeable layer assembly（1）Surround out
The mud placement space that mouth is set up, in permeable layer assembly（1）Circumferential outside is provided with ponding space, the aspirator
（2）Including water pump（21）, the water pump（21）The conducting of input port and the ponding space be connected, it is characterised in that also include
It is arranged at the strong rammer device on the outside of mud placement space（3）, the strong rammer device（3）Including being arranged above mud placement space
Strong rammer hammer（31）, the strong rammer hammer（31）Mud placement space can be moved downwardly to along the depth direction of mud placement space
Interior progress strong rammer operation.
2. a kind of device for treating sludge as claimed in claim 1, it is characterised in that the barrel-shaped base also set including opening upwards
Hole（4）, the permeable layer assembly（1）Including being cylindrical in shape structure and being vertically arranged to foundation ditch（4）Interior geotextiles（11）, in geotechnique
Cloth（11）Outer sheath be provided with water penetration porous screed（12）；Foundation ditch（4）Bottom surface and geotextiles（11）Inner side
Mud placement space is surrounded between wall, and the ponding space is arranged at porous screed（12）Outside.
3. a kind of device for treating sludge as claimed in claim 2, it is characterised in that put with mud the bottom surface in the ponding space
Bottom surface lowest part between being empty flushes setting；The bottom of mud placement space is provided with metalling（5）, in metalling（5）'s
Top is additionally provided with sand stone layer（6）.
4. a kind of device for treating sludge as claimed in claim 3, it is characterised in that the foundation ditch（4）Bottom surface centre bit
Putting to arch upward upwards causes whole bottom surface to form the inclined-plane risen from bottom surface surrounding toward bottom center's gradual change.
5. a kind of device for treating sludge as claimed in claim 2, it is characterised in that in geotextiles（11）With porous screed
（12）Between be additionally provided with drain bar（13）.
6. a kind of device for treating sludge as claimed in claim 2, it is characterised in that set at the upper end open in ponding space
There is reja（7）.
7. a kind of device for treating sludge as claimed in claim 6, it is characterised in that the aspirator（2）Also include and institute
State water pump（21）The connected water inlet pipe of entrance point（22）, the water inlet pipe（22）The other end extend into the bottom in ponding space
Portion, water pump（21）The port of export be connected with outlet pipe（23）, the outlet pipe（23）The other end with positioned at water pump（21）Side
Sedimentation basin（8）Connection.
8. a kind of process for treating sludge, it is characterised in that a obtains the silt as described in claim 1-7 any one claims
Mud processing equipment；B inserts mud in the mud placement space that device for treating sludge has；C is opposite in mud placement space
Mud carry out strong rammer operation, by moisture be expressed into device for treating sludge positioned at periphery ponding space in；D is by ponding space
Water extract out, and the mud after the completion of dewater treatment is transferred to device external from device for treating sludge, then carry out next time
Operation.
9. a kind of process for treating sludge as claimed in claim 8, it is characterised in that be additionally included in the b and insert mud and put
Mud in being empty adds special agent and stirred, and next step work is carried out again after mud and special agent fully react
Industry.
10. a kind of process for treating sludge as claimed in claim 9, it is characterised in that the composition and quality of the special agent
Match and be, 120 ~ 300 parts of cement, 250 ~ 500 parts of quick lime, 0.5 ~ 3.0 part of aluminium powder, 3 ~ 6 parts of water reducer, accelerator 5 ~ 10
0.02 ~ 0.1 part of part and foam stabilizer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639562.4A CN107162381B (en) | 2017-07-31 | 2017-07-31 | Sludge treatment equipment and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710639562.4A CN107162381B (en) | 2017-07-31 | 2017-07-31 | Sludge treatment equipment and method |
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| Publication Number | Publication Date |
|---|---|
| CN107162381A true CN107162381A (en) | 2017-09-15 |
| CN107162381B CN107162381B (en) | 2020-08-21 |
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ID=59817611
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710639562.4A Active CN107162381B (en) | 2017-07-31 | 2017-07-31 | Sludge treatment equipment and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115583782A (en) * | 2022-11-09 | 2023-01-10 | 江苏远卓工程技术有限公司 | In-situ mud-water separation device and treatment method for engineering waste slurry |
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| CN102733349A (en) * | 2011-04-15 | 2012-10-17 | 浙江科技学院 | Method for de-silting lake and constructing lake center island |
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| CN103058491A (en) * | 2013-01-10 | 2013-04-24 | 温州大学 | Composite filter-pressing centrifugal dehydrant |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN115583782A (en) * | 2022-11-09 | 2023-01-10 | 江苏远卓工程技术有限公司 | In-situ mud-water separation device and treatment method for engineering waste slurry |
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| CN107162381B (en) | 2020-08-21 |
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