CN110563211A - Mud-water separation and slurry concentration dehydration system for polluted soil leaching - Google Patents
Mud-water separation and slurry concentration dehydration system for polluted soil leaching Download PDFInfo
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- CN110563211A CN110563211A CN201910996091.1A CN201910996091A CN110563211A CN 110563211 A CN110563211 A CN 110563211A CN 201910996091 A CN201910996091 A CN 201910996091A CN 110563211 A CN110563211 A CN 110563211A
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- mud
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- water separation
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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
- C02F11/123—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using belt or band filters
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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
- C02F9/00—Multistage treatment of water, waste water or sewage
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/001—Processes for the treatment of water whereby the filtration technique is of importance
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/38—Treatment of water, waste water, or sewage by centrifugal separation
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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
- C02F1/00—Treatment of water, waste water, or sewage
- C02F1/52—Treatment of water, waste water, or sewage by flocculation or precipitation of suspended impurities
Abstract
The invention provides a mud-water separation and slurry concentration dehydration system for polluted soil leaching, which relates to the technical field of polluted soil remediation and treatment and consists of a mud-water separation unit, a slurry concentration conditioning unit and a slurry concentration filter-pressing dehydration unit, wherein undersize fine-particle mud water generated in polluted soil leaching and remediation can continuously enter a mud-water inlet pipeline of the mud-water separation unit, the mud water is rapidly separated under the actions of coagulation and flocculation, cyclone centrifugal force and gravity, clear water is discharged from a clear water overflow pipe at the top of the mud-water separation unit, concentrated slurry is discharged from a slurry guide pipe at the bottom of the mud-water separation unit, the concentrated slurry is mixed with a conditioning agent and homogenized in the slurry concentration conditioning unit and then is discharged to the continuous filter-pressing dehydration unit, and finally compressed mud cakes are discharged. The invention can perform continuous dehydration operation, has high working efficiency, small occupied area and low equipment cost, thereby bringing better use prospect.
Description
Technical Field
The invention relates to the field of polluted soil restoration and treatment, in particular to a mud-water separation and slurry concentration and dehydration system for polluted soil leaching.
Background
Generally, pollutants in soil are enriched on clay fine particles, when the proportion of sand particles (coarse particles) is large, the coarse particle substances can be removed by adopting a physical leaching reduction repairing mode, so that the pollutants are concentrated in the clay fine particles, and the clay fine particles are dehydrated and then are further repaired, so that the aim of reduction repairing is fulfilled, and the soil conditioner is energy-saving, environment-friendly and economical.
Most of mud-water separation subsystem devices of the existing contaminated soil leaching repair system and method are a soil engineering pipe bag dehydration method or a plate and frame filter pressing dehydration method, namely a high-efficiency dehydration system and method (CN 201410754628) for soil leaching slurry and a complete rapid leaching device (CN 201520532428) for contaminated soil repair, the soil engineering pipe bag dehydration method naturally loses water through the action of gravity, the occupied area is large, the dehydration time is long, and the plate and frame filter pressing dehydration method has the advantage of high dehydration rate, but the equipment has the defects of high cost, batch feeding and filter pressing, relatively low working efficiency and the like.
Disclosure of Invention
The invention aims to solve the defects in the prior art, and provides a mud-water separation and slurry concentration dehydration system for leaching polluted soil, which has the advantages of continuous dehydration operation, high working efficiency, small occupied area, low equipment cost and the like, and solves the problems of large occupied area, long dehydration time, high equipment cost, batch feeding and filter pressing and relatively low working efficiency.
In order to achieve the purpose, the invention adopts the technical scheme that: a mud-water separation and slurry concentration dehydration system for leaching polluted soil comprises a mud-water inlet pipeline, a mud-water conditioner adding port, a mud-water secondary pipeline mixer, a mud-water flocculant adding port, a swirl tank, a swirl stirring device, a clear water overflow pipe, a conical column type mud-water separation tank, a first back-flushing water port, a slurry valve, a second back-flushing water port, a slurry guide pipe, a slurry conditioner adding port, a slurry pipeline mixer, a slurry mixing conditioning coil pipe and a belt type filter pressing device, wherein the system consists of the mud-water separation unit, a slurry concentration conditioning unit and a filter pressing dehydration unit for concentrating slurry; the mud-water separation unit consists of a mud-water inlet pipeline, a mud-water conditioner adding port, a mud-water secondary pipeline mixer, a mud-water flocculant adding port, a swirl tank, a swirl stirring device, a clear water overflow pipe, a conical column type mud-water separation tank, a back flushing water first port, a slurry valve, a back flushing water second port and a slurry guide pipe; the slurry concentration and tempering unit consists of a slurry tempering agent adding port, a slurry pipeline mixer and a slurry mixing and tempering coil pipe, and the filter pressing and dewatering unit for concentrating slurry consists of a belt type filter pressing device.
The mud-water separation unit is characterized in that a mud-water conditioner adding port, a mud-water secondary pipeline mixer and a mud-water flocculant adding port are arranged on a mud-water inlet pipeline close to the top of the conical-column-shaped mud-water separation tank.
The muddy water inlet pipeline is L-shaped and is divided into a horizontal part and a vertical part, the two groups of muddy water secondary pipeline mixers are arranged, one group of muddy water secondary pipeline mixers is arranged at the horizontal part of the muddy water inlet pipeline, and the other group of muddy water secondary pipeline mixers is arranged at the vertical part of the muddy water inlet pipeline.
The mud-water separation unit is further designed, and the spiral flow groove of the mud-water separation unit is provided with a spiral groove structure, so that the mud-water separation unit is favorable for quickly separating mud from water.
Further designed, the mud-water separation unit is provided with a rotational flow stirring device, so that accelerated precipitation of the coagulated sludge is facilitated.
In a further design, the outer surface of the upper end of the rotational flow stirring device penetrates through the inner surface of the upper end of the conical column type mud-water separation tank.
In a further design, the clear water flow guiding device of the mud-water separation unit is a clear water overflow pipe, which is beneficial to the separation and reuse of clear water
The outer surface of one end of the clear water overflow pipe is fixedly connected with the outer surface of the upper end of the conical column type mud-water separation tank.
In a further design, the slurry guide control device of the mud-water separation unit is a slurry valve, so that the flow of the concentrated slurry can be controlled.
The mud blocking cleaning device of the mud-water separation unit is a first opening of back flushing water and a second opening of back flushing water.
The design is further improved, the one end surface of a first mouth of blowback water run through the one side surface of mud honeycomb duct, form the contained angle between a first mouth of blowback water and the mud honeycomb duct, the directional awl post type mud-water separation tank's of the one end surface of a first mouth of blowback water lower extreme surface.
The device is characterized in that a slurry pipeline mixer is arranged on the inner surface of a slurry guide pipe of the concentrated slurry debugging unit, a slurry mixing tempering coil is fixedly connected to the outer surface of the other side of the slurry guide pipe, a high-pressure-resistant pipeline joint is arranged between the slurry mixing tempering coil and the slurry guide pipe, and the outer surface of the other side of the slurry mixing tempering coil is detachably connected with the outer surface of one end of the slurry pipeline mixer through the high-pressure-resistant pipeline joint.
The filter pressing dehydration unit device for the concentrated slurry is a continuous belt type filter pressing device.
Compared with the prior art, the invention provides a mud-water separation and slurry concentration and dehydration system for polluted soil leaching, which has the following beneficial effects: the mud-water separation unit consists of a mud-water inlet pipeline, a mud-water conditioner adding port, a mud-water secondary pipeline mixer, a mud-water flocculant adding port, a swirl tank, a swirl stirring device, a clear water overflow pipe, a conical column type mud-water separation tank, a first back flushing water port, a slurry valve, a second back flushing water port and a slurry guide pipe; the slurry concentration tempering unit consists of a slurry tempering agent adding port, a slurry pipeline mixer and a slurry mixing tempering coil pipe; the filter-pressing dehydration unit of the concentrated slurry consists of a belt type filter-pressing device; undersize fine particle mud water generated during polluted soil leaching remediation can continuously enter a mud water inlet pipeline of the conical column type mud water separation tank, the mud water can be quickly separated under the action of the coagulating flocculation of the conditioning agent, the rotational flow centrifugal force and the gravity through the mud water conditioning agent inlet, the mud water secondary pipeline mixer, the mud water flocculant inlet, the rotational flow groove and the rotational flow stirring device, clear water is discharged through a clear water overflow pipe at the top of the conical column type mud water separation tank and can be repeatedly used for polluted soil leaching, precipitated concentrated mud is discharged through a mud flow guide pipe at the bottom of the conical column type mud water separation tank, and the mud flow is controlled through a mud valve; the deposited and concentrated slurry is subjected to comparative pressure at the bottom port of the conical column type slurry water separation tank, and can be blocked when a slurry valve is not opened, at the moment, the blocked slurry can be dredged by high-pressure water of a first back flushing water port and a second back flushing water port, in order to better perform slurry filter pressing, before the slurry enters filter pressing and dehydration, the slurry firstly passes through a slurry conditioner adding port, a slurry pipeline mixer and a slurry mixing and conditioning coil pipe device to perform conditioner conditioning and homogenization, then is discharged to a belt type filter pressing device capable of continuous filter pressing to perform filter pressing and dehydration, finally discharges compressed sludge cakes rich in pollutants, the sludge cakes are subjected to further repair treatment, and a sludge-water separation and slurry concentration dehydration system for polluted soil leaching can perform continuous dehydration operation, has high working efficiency, small floor area and low equipment cost, is beneficial to people, and has simple structure, convenient operation, the effect of using is better than traditional mode.
Drawings
The invention is further explained below with reference to the drawings and examples.
FIG. 1 is a composition and process flow chart of a mud-water separation and slurry concentration and dehydration system for contaminated soil leaching according to the present invention.
In the figure: 1. the muddy water enters a pipeline; 2. a muddy water modifier is added into the port; 3. a mud-water secondary pipeline mixer; 4. a sludge-water flocculant inlet; 5. a swirling flow groove; 6. a rotational flow stirring device; 7. a clear water overflow pipe; 8. a conical column type mud-water separation tank; 9. a first opening for back flushing water; 10. a mud valve; 11. a second opening for back flushing water; 12. a slurry guide pipe; 13. a slurry conditioner adding port; 14. a slurry pipeline mixer; 15. slurry mixing tempering coil pipes; 16. a belt type filter pressing device.
Detailed Description
As shown in fig. 1, the mud-water separation and slurry concentration dehydration system for leaching polluted soil comprises a mud-water inlet pipeline 1, a mud-water conditioner adding port 2, a mud-water secondary pipeline mixer 3, a mud-water flocculant adding port 4, a cyclone tank 5, a cyclone stirring device 6, a clear water overflow pipe 7, a conical column type mud-water separation tank 8, a first back-flushing water port 9, a slurry valve 10, a second back-flushing water port 11, a slurry guide pipe 12, a slurry conditioner adding port 13, a slurry pipeline mixer 14, a slurry mixing conditioner coil 15 and a belt type filter pressing device 16. The system consists of a mud-water separation unit, a mud concentration and conditioning unit and a filter-pressing and dewatering unit for concentrating mud. The mud-water separation unit consists of a mud-water inlet pipeline 1, a mud-water conditioner adding port 2, a mud-water secondary pipeline mixer 3, a mud-water flocculant adding port 4, a cyclone tank 5, a cyclone stirring device 6, a clear water overflow pipe 7, a conical column type mud-water separation tank 8, a back flushing water first port 9, a mud valve 10, a back flushing water second port 11 and a mud guide pipe 12; the slurry concentration and tempering unit consists of a slurry tempering agent feeding port 13, a slurry pipeline mixer 14 and a slurry mixing and tempering coil pipe 15, and the filter pressing and dewatering unit for concentrating slurry consists of a belt type filter pressing device 16.
The mud-water conditioning agent inlet 2, the mud-water secondary pipeline mixer 3 and the mud-water flocculating agent inlet 4 of the mud-water separation unit are arranged on the mud-water inlet pipeline 1 close to the top of the conical-column-type mud-water separation tank 8, and can be used for carrying out mud-water separation.
The cyclone groove 5 of the mud-water separation unit is provided with a spiral groove structure, so that the mud-water separation unit is favorable for fast separation of mud and water.
The mud-water separation unit is provided with a rotational flow stirring device 6, which is beneficial to accelerating the sedimentation of the coagulated sludge.
And a clear water flow guide device of the mud-water separation unit is a clear water overflow pipe 7, so that the separation and the reuse of clear water are facilitated.
And the outer surface of one end of the clear water overflow pipe 7 is fixedly connected with the outer surface of the upper end of the conical column type mud-water separation tank 8.
The mud diversion control device of the mud-water separation unit is a mud valve 10, which is beneficial to controlling the flow of the concentrated mud.
The mud blocking cleaning device of the mud-water separation unit is a first opening 9 for back flushing water and a second opening 11 for back flushing water, so that the dehydration efficiency of the equipment is higher.
The one end surface of blowback water mouth 9 run through one side surface of mud honeycomb duct 12, form the contained angle between blowback water mouth 9 and the mud honeycomb duct 12, the directional awl post type mud-water separation tank 8's of the one end surface of blowback water mouth 9.
The concentrated slurry debugging unit device comprises a slurry conditioner adding port 13, a slurry pipeline mixer 14 and a slurry mixing conditioning coil 15 which are arranged on a slurry guide pipe 12, and is beneficial to improving the mixing conditioning effect.
The filter-pressing dehydration unit device of the concentrated slurry is a continuous belt type filter-pressing device 16, which is beneficial to the overflow of clear water.
The working principle and the using process of the invention are as follows: when the device is used, undersize fine particle muddy water generated during polluted soil leaching restoration can continuously enter the muddy water inlet pipeline 1 of the conical column type muddy water separation tank 8, the muddy water passes through the muddy water conditioner adding port 2, the muddy water secondary pipeline mixer 3, the muddy water flocculant adding port 4, the cyclone tank 5 and the cyclone stirring device 6 to be rapidly separated under the effects of coagulation and flocculation of the conditioner, cyclone centrifugal force and gravity, and clean water is discharged from the clean water overflow pipe 7 at the top of the conical column type muddy water separation tank 8 (which can be repeatedly used for polluted soil leaching). The settled concentrated slurry is discharged from a slurry guide pipe 12 at the bottom of the conical column type slurry-water separation tank 8, and the flow of the slurry is controlled by a slurry valve 10; the settled and concentrated slurry is subjected to comparative pressure at the bottom port of the conical column type slurry-water separation tank 8, and can be blocked when the slurry valve 10 is not opened, and the blocked slurry can be dredged by the high-pressure water of the first opening 9 and the second opening 11 of the back flushing water. In order to better perform slurry filter pressing, before slurry enters filter pressing dehydration, the slurry firstly passes through a slurry conditioner adding port 13, a slurry pipeline mixer 14 and a slurry mixing conditioning coil 15 device to perform conditioner conditioning and homogenization, then is discharged to a belt type filter pressing device 16 capable of continuous filter pressing to perform filter pressing dehydration, finally a compressed sludge cake rich in pollutants is discharged, the sludge cake is to be further repaired, the particle size of the slurry particles fed into a slurry separation and concentration dehydration system for polluted soil leaching is required to be less than 0.3mm, the slurry treatment capacity is 3-7 tons per hour (dry weight of sludge), the diameter of the prepared sludge entering pipeline 1 is 100mm, the diameter of a clear water overflow pipe 7 is 150mm, the diameter of a conical column type sludge-water separation tank 8 is 3000mm and 2400mm, the diameter of a slurry guide pipe 12 is 100mm, the power of a belt type filter pressing device 16 is 7.5kw, and the width of filter cloth is 2000mm, 1 worker is required to operate, the slurry valve 10 is controlled, the dosage of a medicament is adjusted, and the belt type filter pressing equipment 16 is operated and maintained, the whole process can be continuously and uninterruptedly produced for 24 hours, the leaching treatment capacity of the corresponding polluted soil is 20-30 tons per hour, and the system consists of a mud-water separation unit, a slurry concentration and tempering unit and a filter pressing and dewatering unit for concentrating slurry; the mud-water separation unit consists of a mud-water inlet pipeline 1, a mud-water conditioner adding port 2, a mud-water secondary pipeline mixer 3, a mud-water flocculant adding port 4, a cyclone tank 5, a cyclone stirring device 6, a clear water overflow pipe 7, a conical column type mud-water separation tank 8, a back flushing water first port 9, a mud valve 10, a back flushing water second port 11 and a mud guide pipe 12; the slurry concentration tempering unit consists of a slurry tempering agent adding port 13, a slurry pipeline mixer 14 and a slurry mixing tempering coil 15; the press filtration dewatering unit for the thickened sludge consists of a belt press filtration device 16.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a pollute mud-water separation and mud concentration dewatering system of soil drip washing, including muddy water entering pipeline (1), muddy water quenching and tempering agent inlet (2), muddy water second grade line mixer (3), muddy water flocculating agent inlet (4), whirl groove (5), whirl agitating unit (6), clear water overflow pipe (7), awl post type mud-water separation jar (8), a blowback water mouth (9), mud valve (10), No. two mouths of blowback water (11), mud honeycomb duct (12), mud quenching and tempering agent inlet (13), mud line mixer (14), mud mixing quenching and tempering coil pipe (15) and belt filter-pressing equipment (16), its characterized in that: the system consists of the mud-water separation unit, a slurry concentration and tempering unit and a filter-pressing and dewatering unit for concentrating slurry; the mud-water separation unit consists of a mud-water inlet pipeline (1), a mud-water conditioner adding port (2), a mud-water secondary pipeline mixer (3), a mud-water flocculant adding port (4), a cyclone tank (5), a cyclone stirring device (6), a clear water overflow pipe (7), a conical column type mud-water separation tank (8), a back flushing water first port (9), a slurry valve (10), a back flushing water second port (11) and a slurry guide pipe (12); the slurry concentration tempering unit consists of a slurry tempering agent feeding port (13), a slurry pipeline mixer (14) and a slurry mixing tempering coil pipe (15); the filter-pressing dehydration unit of the concentrated slurry consists of a belt type filter-pressing device (16).
2. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: and a muddy water hardening and tempering agent feeding port (2), a muddy water secondary pipeline mixer (3) and a muddy water flocculating agent feeding port (4) of the muddy water separation unit are arranged on a muddy water inlet pipeline (1) close to the top of the conical column type muddy water separation tank (8).
3. The system for sludge-water separation and slurry concentration and dehydration of contaminated soil washing as claimed in claim 1 or 2, wherein: the muddy water inlet pipeline (1) is L-shaped and is divided into a horizontal part and a vertical part, the muddy water secondary pipeline mixers (3) are divided into two groups, one group is positioned at the horizontal part of the muddy water inlet pipeline (1), and the other group is positioned at the vertical part of the muddy water inlet pipeline (1).
4. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the spiral groove (5) of the mud-water separation unit is provided with a spiral groove structure.
5. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the mud-water separation unit is provided with a rotational flow stirring device (6), and the outer surface of the upper end of the rotational flow stirring device (6) penetrates through the inner surface of the upper end of the conical-column-shaped mud-water separation tank (8).
6. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the clear water guiding device of the mud-water separation unit is a clear water overflow pipe (7), and the outer surface of one end of the clear water overflow pipe (7) is fixedly connected with the outer surface of the upper end of the conical column type mud-water separation tank (8).
7. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the mud flow guiding control device of the mud-water separation unit is a mud valve (10).
8. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: stifled mud cleaning device of mud-water separation unit be No. one mouthful of (9) of blowback water and No. two mouthful (11) of blowback water, the one end surface of No. one mouthful of (9) of blowback water runs through one side surface of mud honeycomb duct (12), form the contained angle between a mouthful of (9) of blowback water and mud honeycomb duct (12), the lower extreme surface of the directional awl post type mud-water separation jar of one end (8) of a mouthful of (9) of blowback water.
9. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the internal surface of the mud honeycomb duct (12) of the concentrated mud debugging unit is provided with a mud pipeline mixer (14), the other side external surface fixed connection of mud honeycomb duct (12) has mud mixing tempering coil pipe (15), be provided with high pressure resistant pipe joint between mud mixing tempering coil pipe (15) and mud honeycomb duct (12), the other side surface of mud mixing tempering coil pipe (15) can be dismantled through high pressure resistant pipe joint and the one end surface of mud pipeline mixer (14) and be connected.
10. The system for separating mud from water and concentrating and dehydrating sludge for contaminated soil leaching of claim 1, wherein: the filter-pressing dehydration unit device of the concentrated slurry is a continuous belt type filter-pressing device (16).
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910996091.1A CN110563211A (en) | 2019-10-18 | 2019-10-18 | Mud-water separation and slurry concentration dehydration system for polluted soil leaching |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910996091.1A CN110563211A (en) | 2019-10-18 | 2019-10-18 | Mud-water separation and slurry concentration dehydration system for polluted soil leaching |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005007250A (en) * | 2003-06-17 | 2005-01-13 | Fumiyoshi Yoshioka | Sludge treatment apparatus and sludge treatment method |
| CN103288324A (en) * | 2013-05-28 | 2013-09-11 | 长沙理工大学 | Method and device for in-situ solid-liquid separation of dredged muddy water |
| CN203959986U (en) * | 2014-06-28 | 2014-11-26 | 深圳华信中水环保工程有限公司 | Device for separating mud and water |
| CN109500074A (en) * | 2018-12-27 | 2019-03-22 | 上海市环境科学研究院 | Dystopy suitable for clayed soil pollution amelioration elutes prosthetic device and restorative procedure |
| CN210885623U (en) * | 2019-10-18 | 2020-06-30 | 北京君驰华宇环境工程有限公司 | Soil leaching mud-water separation, concentration and dehydration device |
-
2019
- 2019-10-18 CN CN201910996091.1A patent/CN110563211A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005007250A (en) * | 2003-06-17 | 2005-01-13 | Fumiyoshi Yoshioka | Sludge treatment apparatus and sludge treatment method |
| CN103288324A (en) * | 2013-05-28 | 2013-09-11 | 长沙理工大学 | Method and device for in-situ solid-liquid separation of dredged muddy water |
| CN203959986U (en) * | 2014-06-28 | 2014-11-26 | 深圳华信中水环保工程有限公司 | Device for separating mud and water |
| CN109500074A (en) * | 2018-12-27 | 2019-03-22 | 上海市环境科学研究院 | Dystopy suitable for clayed soil pollution amelioration elutes prosthetic device and restorative procedure |
| CN210885623U (en) * | 2019-10-18 | 2020-06-30 | 北京君驰华宇环境工程有限公司 | Soil leaching mud-water separation, concentration and dehydration device |
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