CN109537667A - The bed mud of a kind of pair of water bottom dredging elutes ship - Google Patents
The bed mud of a kind of pair of water bottom dredging elutes ship Download PDFInfo
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- CN109537667A CN109537667A CN201811611507.5A CN201811611507A CN109537667A CN 109537667 A CN109537667 A CN 109537667A CN 201811611507 A CN201811611507 A CN 201811611507A CN 109537667 A CN109537667 A CN 109537667A
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- mud
- ship borne
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 title claims abstract description 41
- 239000010802 sludge Substances 0.000 claims abstract description 42
- 241001170716 Garra gotyla Species 0.000 claims abstract description 40
- 230000003750 conditioning effect Effects 0.000 claims abstract description 27
- 238000003860 storage Methods 0.000 claims abstract description 21
- 238000003825 pressing Methods 0.000 claims abstract description 8
- 238000011049 filling Methods 0.000 claims abstract description 7
- 238000001556 precipitation Methods 0.000 claims description 9
- 238000000926 separation method Methods 0.000 claims description 9
- 239000002893 slag Substances 0.000 claims description 8
- 239000000126 substance Substances 0.000 claims description 8
- 238000011085 pressure filtration Methods 0.000 claims 1
- 230000018044 dehydration Effects 0.000 abstract description 15
- 238000006297 dehydration reaction Methods 0.000 abstract description 15
- 239000002689 soil Substances 0.000 abstract description 9
- 238000001035 drying Methods 0.000 abstract description 7
- 238000005265 energy consumption Methods 0.000 abstract description 4
- 238000010828 elution Methods 0.000 description 17
- 238000000034 method Methods 0.000 description 7
- 238000010276 construction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 238000007711 solidification Methods 0.000 description 3
- 230000008023 solidification Effects 0.000 description 3
- 238000009825 accumulation Methods 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 235000008733 Citrus aurantifolia Nutrition 0.000 description 1
- 241001282153 Scopelogadus mizolepis Species 0.000 description 1
- 235000011941 Tilia x europaea Nutrition 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- 238000009792 diffusion process Methods 0.000 description 1
- 235000013399 edible fruits Nutrition 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000003344 environmental pollutant Substances 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 238000005189 flocculation Methods 0.000 description 1
- 230000016615 flocculation Effects 0.000 description 1
- 239000004746 geotextile Substances 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- RBTARNINKXHZNM-UHFFFAOYSA-K iron trichloride Chemical compound Cl[Fe](Cl)Cl RBTARNINKXHZNM-UHFFFAOYSA-K 0.000 description 1
- 239000004571 lime Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- 231100000719 pollutant Toxicity 0.000 description 1
- 230000001376 precipitating effect Effects 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000009736 wetting Methods 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
-
- 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
- C02F11/122—Treatment of sludge; Devices therefor by de-watering, drying or thickening by mechanical de-watering using filter presses
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/8833—Floating installations
- E02F3/885—Floating installations self propelled, e.g. ship
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F3/00—Dredgers; Soil-shifting machines
- E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
- E02F3/88—Dredgers; Soil-shifting machines mechanically-driven with arrangements acting by a sucking or forcing effect, e.g. suction dredgers
- E02F3/90—Component parts, e.g. arrangement or adaptation of pumps
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F7/00—Equipment for conveying or separating excavated material
- E02F7/04—Loading devices mounted on a dredger or an excavator hopper dredgers, also equipment for unloading the hopper
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/007—Contaminated open waterways, rivers, lakes or ponds
Landscapes
- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Mechanical Engineering (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- Environmental & Geological Engineering (AREA)
- Water Supply & Treatment (AREA)
- Organic Chemistry (AREA)
- Ocean & Marine Engineering (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses the bed muds of a kind of pair of water bottom dredging to elute ship, comprising: vessel main body, twisting sucker head, ship borne type sludge conditioning system, screw pump, ship borne type filter-pressing device and ship borne type storage mud fill；Wherein, the twisting sucker head, ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter are each provided on the vessel main body；The twisting sucker head is sequentially connected with the ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter；The ship borne type storage mud filling is actively installed on outside the vessel main body, and ship borne type storage mud filling is connect with the cake outlet of the ship borne type rotary press filter.Bed mud of the invention elutes ship set and desilts and dredges with dehydration and drying in one, greatly simplifies riverbed sludge dredging dehydration and drying link, saves soil, energy consumption, also more environmentally friendly efficient.
Description
Technical field
The present invention relates to the water such as the sludge treatment field of water bottom more particularly to a kind of pair of black and odorous water, river, lake
The bed mud to water bottom dredging that the bed mud of body carries out dredging processing elutes ship.
Background technique
Process that current river and black and odorous water bed mud are administered mainly include the following types:
(A) (gardens are afforested in river two sides for dredging+geotextile tube bag+accumulation solidification (landscape), (B) dredging+band press+landfill
With soil), (C) dredging+plate compression+landfill (river two sides afforest gardens soil), (D) dredging+folded spiral shell machine+accumulation solidification (river
Gardens soil is afforested in road two sides), (E) bed mud elute the in situ elution of replacement technique and bed mud ship, (E) bed mud solidification and stabilization technology
Deng.Existing bed mud elution ship is to be rushed by pump handle river bed sludge, then mud is extracted on ship with pump, is aboard ship only done
Simple flocculation can not solve (aqueous 90%) the sludge needs of the big scale of construction there is no real filter-press dehydration is carried out to sludge
Again carry out dehydration disposition the problem of, is transported using tank car to strange land, there are inconvenient transport, the problem of environment easy to pollute.
All there are problems in these above-mentioned existing techniques, wherein dredging needs to drain river and lake water, or river water is changed
Road will build pond or river improvement project, expend a large amount of manpower and material resources.Dredging+mechanical dehydration needs land occupation, and dehydration is concentrated in construction
Disposal site, and need to transport a large amount of Dredged Sludges (95~97%) and do conditioning dehydration to disposition place.It is common mechanical de-
Also all kinds of corrupt practices creep in for wetting system.Due to the limitation of strainer intensity, the pressure in higher-pressure region do not increase belt filter press, dehydration effect
Fruit is bad.Folded spiral shell machine is not suitable for riverbed sludge, and silt content is big in riverbed sludge, and folded spiral shell machine is most afraid of sludge containing sand.Plate compression
Machine dehydrating effect is slow, cost of investment is high, working environment is poor, and board and frame machine needs plus lime or molysite.Centrifugal dehydrator, vibration is big,
Noise is big, processing capacity is small, consumes energy high.
Problems existing for current black and odorous water, riverbed sludge dredging etc. how are solved, are problems to be solved.
Summary of the invention
Based on the problems of prior art, the object of the present invention is to provide the bed muds of a kind of pair of water bottom dredging to wash
De- ship, can draw water bottom bed mud directly handled after transport outward.
The purpose of the present invention is what is be achieved through the following technical solutions:
Embodiment of the present invention provides the bed mud elution ship of a kind of pair of water bottom dredging, comprising:
Vessel main body, twisting sucker head, ship borne type sludge conditioning system, screw pump, ship borne type filter-pressing device and ship borne type storage mud fill；
Wherein,
The twisting sucker head, ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter are each provided at the shipowner
On body；
The twisting sucker head is sequentially connected with the ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter；
The ship borne type storage mud filling is actively installed on outside the vessel main body, which stores up mud and fill rotates with the ship borne type
The cake outlet of filter press connects.
As seen from the above technical solution provided by the invention, provided in an embodiment of the present invention to water bottom dredging
Bed mud elutes ship, it has the advantage that:
By twisting sucker head, ship borne type sludge conditioning system, screw pump, boat-carrying that organic connection is respectively set on vessel main body
Formula filter-pressing device and ship borne type storage mud fill, and are able to achieve after facilitating absorption water body base sludge, are directly adjusted on vessel main body
After reason, filters pressing processing, mud is stored up by the ship borne type being actively installed on vessel main body and fills outward transport sludge.The elution ship collection desilt and dredge and
Dehydration and drying equipment greatly simplifies riverbed sludge dredging dehydration and drying link in one, saves soil, energy consumption, also more environmentally friendly
Efficiently.
Detailed description of the invention
In order to illustrate the technical solution of the embodiments of the present invention more clearly, required use in being described below to embodiment
Attached drawing be briefly described, it should be apparent that, drawings in the following description are only some embodiments of the invention, for this
For the those of ordinary skill in field, without creative efforts, it can also be obtained according to these attached drawings other
Attached drawing.
Fig. 1 is the axonometric drawing that water bottom desilting sediment provided in an embodiment of the present invention elutes ship；
Fig. 2 a-2c is three view structural schematic diagrams of elution ship provided in an embodiment of the present invention；
Fig. 3 a-3c is three view structural schematic diagrams of the boat-carrying sludge dewatering system of elution ship provided in an embodiment of the present invention；
Fig. 4 a-4c is that the boat-carrying of elution ship provided in an embodiment of the present invention stores up the three view structural schematic diagrams that mud fills figure；
In figure: 1- vessel main body；2- twisting sucker head；3- bed mud removes slag bath；4- bed mud conditioning tank；5- chemicals dosing plant；6- pipeline is mixed
Clutch；7- bed mud separating sedimentation basin；8- ship borne type rotary press filter；9- ship borne type stores up mud and fills；91- canoe ontology；92- stores up mud and fills
Body；93- conveying device.
Specific embodiment
Below with reference to particular content of the invention, technical solution in the embodiment of the present invention is clearly and completely retouched
It states, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.Based on the present invention
Embodiment, every other embodiment obtained by those of ordinary skill in the art without making creative efforts,
Belong to protection scope of the present invention.The content being not described in detail in the embodiment of the present invention belongs to professional and technical personnel in the field
The well known prior art.
As shown in Figure 1, the embodiment of the present invention provides the bed mud elution ship of a kind of pair of water bottom dredging, it is a kind of pair of river
The bed mud that the water bodys such as road, water channel, lakebed are desilted and dredged elutes ship, comprising:
Vessel main body, twisting sucker head, ship borne type sludge conditioning system, screw pump, ship borne type filter-pressing device and ship borne type storage mud fill；
Wherein,
The twisting sucker head, ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter are each provided at the shipowner
On body；
The twisting sucker head is sequentially connected with the ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter；
The ship borne type storage mud filling is actively installed on outside the vessel main body, which stores up mud and fill rotates with the ship borne type
The cake outlet of filter press connects.
In above-mentioned bed mud elution ship, boat-carrying sludge conditioning system includes:
Bed mud removes slag bath, bed mud conditioning tank, chemicals dosing plant, pipe-line mixer and bed mud precipitation and separation pond；Wherein,
The bed mud is divided equally except slag bath, bed mud conditioning tank, chemicals dosing plant, pipe-line mixer and bed mud precipitation and separation pond to be laid
On the vessel main body, the bed mud removes slag bath and the bed mud conditioning tank, pipe-line mixer and bed mud precipitation and separation pond sequentially
Connection；
The chemicals dosing plant is connected on the pipe-line mixer.
In above-mentioned bed mud elution ship, ship borne type storage mud filling includes:
Canoe ontology, storage mud fill body and conveying device；Wherein,
The storage mud fills body and is located on the canoe ontology, and the storage mud fills body and is equipped with sludge delivery port, sludge conveying
Mouth is connect with conveying device.Preferably, screw pump can be used in conveying device.
In above-mentioned bed mud elution ship, ship borne type filter-pressing device uses ship borne type rotary press filter.
In above-mentioned bed mud elution ship, twisting sucker head uses protection twisting sucker head, including twisting sucker head and is arranged on twisting sucker head top
The shield that can cover the twisting sucker head.Preferably, twisting sucker head can be used conventional twisting sucker head, and shield can be by twisting sucker head when use
And the sludge sucked all covers, the orientation of shield can adjust, and keep certain seam above shield lower edge and bed mud
Gap can guarantee in this way when twisting soil pick-up mud, and sludge will not guarantee that the water body around twisting sucker head is not twisted outside diffusing to shield
Muddiness, the water quality of the raw water body of guarantee.
In above-mentioned bed mud elution ship, twisting sucker head is located at one end of the vessel main body, can conveniently be put into water body and inhale mud.
Bed mud of the invention elutes ship set and desilts and dredges with dehydration and drying equipment in one, keeps riverbed sludge dredging de-
Water desiccation link greatly simplifies, and saves soil, energy consumption, also more environmentally friendly efficient.
The embodiment of the present invention is specifically described in further detail below.
Shown in a-2c, Fig. 3 a-3c and Fig. 4 a-4c as shown in Figure 1, Figure 2, the embodiment of the present invention provides a kind of pair of water bottom dredging
Bed mud elute ship, environment-friendly type dredging and sludge can be carried out to black and odorous water, river and the bed mud in lake and wash processing, which washes
De- ship includes: that ship ontology, twisting sucker head, ship borne type rotary press filter, boat-carrying bed mud conditioning system and ship borne type storage mud fill；
Twisting sucker head uses environment-friendly type twisting sucker head, avoids pollution water body, in use, what the twisting sucker head came up from the suction of river and lake bottom
Bed mud is transported to the ship borne type bed mud conditioning system installed on ship ontology, the bed mud through ship borne type bed mud conditioning system except slag bath,
Bed mud conditioning tank, chemicals dosing plant, pipe-line mixer and bed mud precipitation and separation pond carry out conditioning precipitation and separation；
Thickened sludge after bed mud precipitation and separation is transported to ship borne type rotary press filter, filter press dehydration decrement by screw pump
Sludge afterwards is transported in independent ship borne type storage mud tank by shaftless screw pump, and storage mud tank body is transported to bank after filling with, by becoming silted up
Mud vehicle is transported to final disposal place.
Bed mud elution ship of the invention has at least the following advantages:
(1) bed mud of the invention elutes ship set and desilts and dredges with dehydration and drying equipment in one, keeps riverbed sludge clear
Silt dehydration and drying link greatly simplifies, and saves soil, energy consumption, also more environmentally friendly efficient.
(2) bed mud of the invention elution ship operation process can protect water body, not disturb water body as far as possible, twisting sucker head
Top is equipped with a shield, can all cover twisting sucker head and the sludge sucked, guarantee that sludge will not when twisting soil pick-up mud
Outside diffusing to shield, it is muddy to guarantee that the water body around twisting sucker head is not twisted, the water quality of the raw water body of guarantee, the twisting sucker head is matched
Shield is closed, positioning accuracy is improved and excavates precision, using tiny structure principle, reduces in operation process pollutants in sediments to water body
Diffusion, the disturbance for preventing twisting sucker head surrounding water excessive is a kind of environment-friendly type twisting sucker head.
(3) bed mud elution ship of the invention 95~97% sludge aspirated from river bed by precipitating slagging-off on ship,
Adjust, pressure-filtering process, bed mud moisture content is dropped to 45~70%, make suction bed mud the scale of construction fall below original 10% hereinafter,
Greatly reduce occupied area, freight volume, project amount and the processing time of disembarkation bed mud.
(3) boat-carrying rotary press filter used in bed mud of the invention elution ship is during filter-press dehydration, it is only necessary to add
Add a small amount of PAM, and PAM is a kind of non-dangerous article, nontoxic, harmless, corrosion-free, dewatered water seepage and mud cake all will not be dirty
Dye.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Within the technical scope of the present disclosure, any changes or substitutions that can be easily thought of by anyone skilled in the art,
It should be covered by the protection scope of the present invention.Therefore, protection scope of the present invention should be with the protection model of claims
Subject to enclosing.
Claims (6)
1. the bed mud of a kind of pair of water bottom dredging elutes ship characterized by comprising
Vessel main body, twisting sucker head, ship borne type sludge conditioning system, screw pump, ship borne type filter-pressing device and ship borne type storage mud fill；Its
In,
The twisting sucker head, ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter are each provided on the vessel main body；
The twisting sucker head is sequentially connected with the ship borne type sludge conditioning system, screw pump and ship borne type rotary press filter；
The ship borne type storage mud filling is actively installed on outside the vessel main body, which stores up mud and fill and the ship borne type rotary pressure filtration
The cake outlet of machine connects.
2. the bed mud according to claim 1 to water bottom dredging elutes ship, which is characterized in that the boat-carrying sludge tune
Reason system includes:
Bed mud removes slag bath, bed mud conditioning tank, chemicals dosing plant, pipe-line mixer and bed mud precipitation and separation pond；Wherein,
The bed mud is divided equally except slag bath, bed mud conditioning tank, chemicals dosing plant, pipe-line mixer and bed mud precipitation and separation pond is laid in institute
It states on vessel main body, the bed mud is sequentially connected with except slag bath with the bed mud conditioning tank, pipe-line mixer and bed mud precipitation and separation pond；
The chemicals dosing plant is connected on the pipe-line mixer.
3. the bed mud according to claim 1 or 2 to water bottom dredging elutes ship, which is characterized in that the ship borne type
Storage mud, which fills, includes:
Canoe ontology, storage mud fill body and conveying device；Wherein,
The storage mud fills body and is located on the canoe ontology, and the storage mud fills body and is equipped with sludge delivery port, the sludge delivery port and
Conveying device connection.
4. the bed mud according to claim 1 or 2 to water bottom dredging elutes ship, which is characterized in that the ship borne type
Filter-pressing device uses ship borne type rotary press filter.
5. the bed mud according to claim 1 to water bottom dredging elutes ship, which is characterized in that the twisting sucker head uses
Protection twisting sucker head, including twisting sucker head and in the shield that can cover the twisting sucker head of twisting sucker head top setting.
6. eluting ship to the bed mud of water bottom dredging according to claim 1 or 5, which is characterized in that the twisting sucker head
It is located at one end of the vessel main body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611507.5A CN109537667A (en) | 2018-12-27 | 2018-12-27 | The bed mud of a kind of pair of water bottom dredging elutes ship |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811611507.5A CN109537667A (en) | 2018-12-27 | 2018-12-27 | The bed mud of a kind of pair of water bottom dredging elutes ship |
Publications (1)
| Publication Number | Publication Date |
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| CN109537667A true CN109537667A (en) | 2019-03-29 |
Family
ID=65856687
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| Application Number | Title | Priority Date | Filing Date |
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| CN201811611507.5A Pending CN109537667A (en) | 2018-12-27 | 2018-12-27 | The bed mud of a kind of pair of water bottom dredging elutes ship |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725354A (en) * | 2019-09-27 | 2020-01-24 | 中国科学院生态环境研究中心 | Cutter-suction type integrated intelligent high-efficiency dredging ship |
| CN110937769A (en) * | 2019-11-12 | 2020-03-31 | 北京尚水清源水处理技术有限公司 | Harrow suction type small desilting sludge deep dehydration experimental ship |
| CN111236349A (en) * | 2020-03-09 | 2020-06-05 | 南京清中环境技术有限公司 | Special equipment for cleaning organic debris and sediments on water bottom surface layer |
| CN113120180A (en) * | 2021-05-11 | 2021-07-16 | 乔全德 | Environment-friendly trash cleaning boat |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110725354A (en) * | 2019-09-27 | 2020-01-24 | 中国科学院生态环境研究中心 | Cutter-suction type integrated intelligent high-efficiency dredging ship |
| CN110937769A (en) * | 2019-11-12 | 2020-03-31 | 北京尚水清源水处理技术有限公司 | Harrow suction type small desilting sludge deep dehydration experimental ship |
| CN111236349A (en) * | 2020-03-09 | 2020-06-05 | 南京清中环境技术有限公司 | Special equipment for cleaning organic debris and sediments on water bottom surface layer |
| CN113120180A (en) * | 2021-05-11 | 2021-07-16 | 乔全德 | Environment-friendly trash cleaning boat |
| CN113120180B (en) * | 2021-05-11 | 2024-05-31 | 乔全德 | Environment-friendly trash removal ship |
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