CN105753280A - Shipborne submarine sediment restoring device and method - Google Patents
Shipborne submarine sediment restoring device and method Download PDFInfo
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- CN105753280A CN105753280A CN201610242400.2A CN201610242400A CN105753280A CN 105753280 A CN105753280 A CN 105753280A CN 201610242400 A CN201610242400 A CN 201610242400A CN 105753280 A CN105753280 A CN 105753280A
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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
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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
- C02F11/004—Sludge detoxification
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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
- C02F11/02—Biological treatment
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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
- C02F11/06—Treatment of sludge; Devices therefor by oxidation
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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
- C02F7/00—Aeration of stretches of water
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/10—Inorganic compounds
- C02F2101/20—Heavy metals or heavy metal compounds
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2101/00—Nature of the contaminant
- C02F2101/30—Organic compounds
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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
- C02F2103/00—Nature of the water, waste water, sewage or sludge to be treated
- C02F2103/08—Seawater, e.g. for desalination
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2201/00—Apparatus for treatment of water, waste water or sewage
- C02F2201/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F2203/00—Apparatus and plants for the biological treatment of water, waste water or sewage
- C02F2203/008—Mobile apparatus and plants, e.g. mounted on a vehicle
-
- 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
- C02F2303/04—Disinfection
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/20—Sludge processing
Abstract
A shipborne submarine sediment restoring device is provided.A restoring device body is connected with a towing vessel through a towing rope.The shipborne submarine sediment restoring device comprises a bottom plate, and an exhaust assembly and a drainage assembly mounted on the bottom plate; the exhaust assembly comprises an aerating pipe and a plurality of microporous aerating heads, the aerating pipe is provided with a gas inlet, and the microporous aerating heads and the aerating pipe form a communicated line; the drainage assembly comprises a water pipe, the water pipe is provided with a water inlet, a plurality of outflow pipes in communication with the water pipe are transversely arranged along the length of the water pipe, and a plow tooth is connected below each outflow pipe; a through jet line is formed in the back of a plow, and an inlet of the jet line is in communication with the outflow pipes; a delivery pipe comprises a water delivery pipe and a gas delivery pipe, an inlet of the water delivery pipe and an inlet of the gas delivery pipe are located on the side of the towing vessel, and an outlet of the water delivery pipe and an outlet of the gas delivery pipe are in communication with the water inlet and the gas inlet, respectively.The plow teeth stir up submarine soil when the towing vessel moves forward, forming turbid water, and gas and water are introduced to seabed respectively through the aerating pipe and the water pipe to react with the seabed turbid water, thus restoring the seabed.
Description
Technical field
The invention belongs to marine sediments recovery technique field, seabed, relate to a kind of ship borne type bottom sediment prosthetic device and method.
Background technology
Earth major part seabed is deposited thing and covers, and bottom sediment becomes biological habitat maximum in covering on the earth.But, bottom sediment is also often the final home to return to of Lu Yuan pollution flux, common pollutant have heavy metal, organic pollution and nutrient substance etc., these materials often produce potential threat after accumulating in deposit, as heavy metal and toxic organic compound are difficult to disappear by natural process, can accumulate always and be enriched with entrance human body step by step by food chain, threaten human health.Meanwhile, if the nutrient substance such as the organic matter of enriched, nitrogen, phosphorus in bottom sediment, just it is easy to cause body eutrophication, and then causes that seabed forms large area low-oxygen area, finally make benthic ecosystems degenerate.
Along with China's rapid development of economy, a large amount of land-sourced pollutants enter Marine water by river, river and all kinds of sewage draining exit, discharge outlet, cause that immediate offshore area is constantly contaminated.Through complicated physics, chemistry and bioprocess, these pollutant are deposited thing absorption mostly, and marine ecosystems and survival and development of mankind are produced very big potential threat.Therefore, the pollution problem of very important bottom sediment in the process administering marine pollution, reparation marine ecology.
Summary of the invention
It is an object of the invention to provide a kind of bottom sediment prosthetic device, engineering is combined with the technology such as biological, chemical, transferable or hazardous contaminant in conversion bottom sediment, improves the ecological environment of bottom sediment.
The technical scheme is that ship borne type bottom sediment prosthetic device, it is characterised in that: including prosthetic device main body, pull rope and conveying pipe, prosthetic device main body is connected with tractor tug by pull rope；Prosthetic device main body includes base plate, and is arranged on the gas deflation assembly on base plate and drain assembly；
Gas deflation assembly includes aeration tube, it is provided with multiple micro porous aeration head along aeration tube length direction is transversely arranged, being provided with air inlet on aeration tube, micro porous aeration head and aeration tube form through pipeline, and micro porous aeration head is obliquely towards the side contrary with tractor tug direct of travel；
Drain assembly includes water pipe, and water pipe is provided with water inlet, transversely arranged along length of pipe direction is provided with multiple outlet pipe communicated with water pipe, is all connected to a vomerine tooth below each outlet pipe；Vomerine tooth includes plough cutting edge of a knife or a sword side and plough dorsal part, and its plough cutting edge of a knife or a sword side is blade-like, towards a side of tractor tug；Its plough dorsal part is internally formed jetting pipeline one section through, and the entrance of jetting pipeline communicates with outlet pipe, and its outlet is obliquely towards the side contrary with tractor tug direct of travel；
Conveying pipe includes the entrance of water-supply-pipe and appendix, water-supply-pipe and appendix and is positioned at traction shipboard, and outlet communicates with water inlet and air inlet respectively.
Preferably: aeration tube and water pipe are all embedded in base plate interior, and water inlet, air inlet and micro porous aeration head extend to the outside of base plate.
Preferably: base plate is be upturned streamlined near the side of tractor tug.
Preferably: plough cutting edge of a knife or a sword side includes one section of vertical section and one section of tilting section, and a pointed vomerine tooth end is formed on the bottom of tilting section.
Preferably: configuring water pump and air pump on tractor tug, water-supply-pipe entrance connects with water pump, and appendix entrance connects with air pump.
When carrying out bottom sediment reparation, tractor tug drags prosthetic device main body and travels forward；Liquid is carried to seabed by water-supply-pipe；Gas is carried to seabed by appendix.Liquid is the sea water containing biological reagent or chemical reagent, and gas is oxygen or ozone, according to environments such as subsea, can analyze improvement demand, allocate the reagent of input and the kind of gas.
The invention have the benefit that
(1) make bottom sediment fully participate in reaction, be purified, improve the anaerobic environment of bottom sediment and sea water.
Ensure that seabed marine sediments can fully participate in reaction and can be only achieved better sediment remediation purpose.This design, by the dual function of vomerine tooth and High-Pressure Water, stirs sea bed surface deposit, forms the suspension of subrange, enables sedimentary particle and harmful substance fully to react with oxygen or biological reagent, chemical reagent and reach optimum efficiency.
Seabed anoxia, desertification will affect benthic existence.Input oxygen, oxygen enrichment surface seawater and microbubble by gas deflation assembly to seabed and can significantly improve the state of seabed anoxia, aqueous desert can be administered, improve benthic ecosystems.
(2) simple, can regularly the bottom sediment of important sea areas be improved.
Operation is simple for this device, only need to fishing boat simply be transformed, and increases the facility such as high-pressure hydraulic pump, air pump, the medium input source such as biochemical reagents, ozone.According to the size purifying region, the ship of different tonnage can be selected, and selects various sizes of prosthetic device main body, by adjust the volume of prosthetic device main body base plate, the quantity of micro porous aeration head, vomerine tooth quantity can adjust the size of prosthetic device main body.According to the concrete ambient conditions in seabed, can select to pass into different gas and easily, fully react with seabed marine sediments.Can regularly repair with serious pollution sea-bed area, it is possible to achieve regularly repair.This design is particularly well-suited to easily break out the marine site of red tide, green tide, repairs by carrying out the ocean bottom soil of anoxia, pollution in advance purifying, it is possible to effectively alleviate organic impact, it is prevented that the generation of the disaster such as red tide, green tide.
Accompanying drawing explanation
Fig. 1 is present configuration schematic diagram.
Fig. 2 is prosthetic device agent structure schematic diagram.
Fig. 3 is prosthetic device agent structure schematic diagram.
Fig. 4 is prosthetic device agent structure schematic diagram.
Fig. 5 is gas deflation assembly structural representation.
Fig. 6 is drain assembly structural representation.
Fig. 7 is vomerine tooth structural representation.
Wherein: 1-pull rope, 2-tractor tug, 3-prosthetic device main body, 4-carries pipe, 401-water-supply-pipe; 402-appendix, 5-base plate, 6-gas deflation assembly, 601-aeration tube; 602-micro porous aeration head, 603-air inlet, 7-drain assembly, 701-water pipe; 702-water inlet, 703-outlet pipe, 704-vomerine tooth, 705-ploughs cutting edge of a knife or a sword side; 706-ploughs dorsal part, 707-jetting pipeline, 708-water spout, and 709-ploughs cutting edge of a knife or a sword; 8-sea, 9-sea bed, 10-support, 11-protects pipe
Detailed description of the invention
Below in conjunction with accompanying drawing, the specific embodiment of the present invention is conducted further description.
As shown in Figures 1 to 4, ship borne type bottom sediment prosthetic device, including prosthetic device main body 3, pull rope 1 and conveying pipe 4, prosthetic device main body is connected with tractor tug 2 by pull rope 1, is positioned at below sea；Prosthetic device main body 3 includes base plate 5 and the gas deflation assembly 6 being arranged on base plate 5 and drain assembly 7.Base plate 5 is provided with support 10, for guaranteeing the strength and stability of base plate 5 structure.Base plate 5 and support 10 adopt stainless steel to make, when tractor tug 2 moves, dragging prosthetic device main body 3 is moved, the bottom of base plate 5 is close to sea bed and is slided, base plate 5 is be upturned streamlined near the side of tractor tug 2, when ensureing that running into barrier in sliding process hinders, base plate 5 can break the barriers smoothly；The postmedian of base plate 5 is flat, to obtain the contact area between bigger and sea bed, makes base plate 5 to reverse easily.
Shown in Fig. 5, gas deflation assembly 6 includes aeration tube 601, it is provided with multiple micro porous aeration head 602 along aeration tube 601 length direction is transversely arranged, aeration tube 601 is provided with air inlet 603, each micro porous aeration head 602 all communicates with aeration tube 601, forming through pipeline, micro porous aeration head 602 is obliquely towards the side contrary with tractor tug 2 direct of travel.
As shown in Figure 6, drain assembly includes water pipe 701, and water pipe 701 is provided with water inlet 702, is provided with multiple outlet pipe 703 communicated with water pipe 701 along water pipe 701 length direction is transversely arranged, is all connected to a vomerine tooth 704 below each outlet pipe 703；As it is shown in fig. 7, vomerine tooth 704 includes plough cutting edge of a knife or a sword side 705 and plough dorsal part 706, its plough cutting edge of a knife or a sword side 705 is blade-like, towards a side of tractor tug 2；Its plough dorsal part 705 is internally formed jetting pipeline 707 one section through, and the entrance of jetting pipeline 707 communicates with outlet pipe 703, and its outlet is obliquely towards the side that tractor tug 2 direct of travel is contrary；Water spout 708 is arranged on the exit of jetting pipeline 707, water spout 708 obliquely towards sea bed, the side in opposite direction advanced with tractor tug 2.
The direction of aeration tube 601 and water pipe 701 is perpendicular to the direction of tractor tug 2 motion, and aeration tube 601 and water pipe 701 are arranged side by side on base plate 5.In the present embodiment, the quantity of micro porous aeration head 601 and outlet pipe 703 is 12, in actual application, according to demand, can increase the size of base plate 5, configure greater number of micro porous aeration head 601 and outlet pipe 703.The arrangement mode of micro porous aeration head 601 and outlet pipe 703 is also not limited to parallel arranged.
Conveying pipe 4 includes water-supply-pipe 401 and appendix 402, and the entrance of water-supply-pipe 401 and appendix 402 is positioned at tractor tug 2 side, and outlet communicates with water inlet 702 and air inlet 603 respectively.Carrying out in the process of bottom sediment reparation, depending on the difference of sea bed environment, can pass through water-supply-pipe 401 and carry the liquid such as oxygen enrichment sea water, biological reagent or chemical reagent, appendix 402 carries the gas such as oxygen, ozone, is used for improving environments such as subsea.Being equipped with water pump and air pump on tractor tug 2, under needing the premise passing into sea water or air to seabed, water pump connects with the entrance of water-supply-pipe 401, extracts the oxygen-enriched air on sea；Air pump connects with the entrance of appendix 402, carries purity oxygen or oxygen-enriched air to seabed；Needing to pass into other biological reagent, chemical reagent to seabed, during the other kinds of gas such as ozone, water pump or air pump are directly accessed gas medium input source.
It is internal that aeration tube 601 and water pipe 701 are all embedded in base plate 5, and this structure can ensure that aeration tube 601 and water pipe 701 be not by the impact of sea bottom complex environment, it is to avoid pipeline is damaged by subsea rocks or other hard objects.Water inlet 702, air inlet 603 and micro porous aeration head 602 extend to the outside of base plate 5, and wherein water inlet 702 and air inlet 603 are all connected to tractor tug 2 side.
Plough cutting edge of a knife or a sword side includes one section of vertical section and one section of tilting section, and a pointed plough cutting edge of a knife or a sword 709 is formed on the bottom of tilting section, and this structure forms sharp plough cutting edge of a knife or a sword 709, it is ensured that vomerine tooth 704 can continual continuously break ground.
When carrying out bottom sediment reparation, starting tractor tug 2, tractor tug 2 drags prosthetic device main body and travels forward；Vomerine tooth 704 is inserted in sea bed soil, and with in the proal process of tractor tug 2, vomerine tooth 704 stirs soil, by soil scarifying.The sedimentary particle of enriched pollutant suspends in the seawater, forms the mud suspension of subrange, it is possible to increases the ejection of aeration tube 601 and water pipe 701 and the contact area of pollutant, improves pollutant control efficiency.
Below in conjunction with the difference of environments such as subsea, provide the method that several environments such as subsea is improved:
(1) seabed anoxia: the high-pressure hydraulic pump on tractor tug 2 draws the oxygen enrichment sea water of seawater surface, is delivered to water pipe 701 through water-supply-pipe 401, is distributed to each jetting pipeline 707, sprays through water spout 708, mix with mud suspension.The sea water of oxygen enrichment and microbubble can increase the concentration of benthic dissolved oxygen, improve the environment of bottom sea water, by its self-regeneration, maintain the ecological balance in seabed.
(2) in bottom sediment, the Organic substance of enrichment is too much: now seabed also has the performance of anoxia.Under anaerobic condition, anaerobic bacteria decomposing organic matter produces the noxious substance such as hydrogen sulfide, ammonia, causes sea water acidifying.Now, passing into pulverized limestone by aeration tube 601, spray through multiple micro porous aeration heads 602, pulverized limestone is melted into water and forms aqua calcis, mixes with mud suspension, neutralizes with the sea water of acidifying.
(3) if the virus in bottom sediment, antibacterial are too much: can passing through aeration tube 601 and pass into ozone, spray through multiple micro porous aeration heads 602, mix with mud suspension, the oxidisability utilizing ozone extremely strong kills the protozoas such as the virus in sea water, antibacterial.Product after ozone reaction is oxygen, will not produce secondary pollution.
(4) if rich in heavy metal, toxic chemical etc. in bottom sediment: according to the difference of deposit composition, biological reagent or chemical reagent can be selected to administer.The input source of biological reagent or chemical reagent is connected to water-supply-pipe 401, and reagent will be delivered to water pipe 701 through water-supply-pipe 401, and be distributed to each jetting management 707, spray through sparge pipe 708, mix with mud suspension.It is pointed out that environments such as subsea will not be caused secondary pollution by the biological reagent of selection or chemical reagent, and harmless deposit can be generated with the heavy metal in seabed, toxic chemical reaction.
Claims (7)
1. ship borne type bottom sediment prosthetic device, it is characterised in that: including prosthetic device main body, pull rope and conveying pipe, prosthetic device main body is connected with tractor tug by pull rope；Prosthetic device main body includes base plate and the gas deflation assembly being arranged on base plate and drain assembly；
Described gas deflation assembly includes aeration tube, it is provided with multiple micro porous aeration head along aeration tube length direction is transversely arranged, being provided with air inlet on aeration tube, micro porous aeration head and aeration tube form through pipeline, and micro porous aeration head is obliquely towards the side contrary with tractor tug direct of travel；
Described drain assembly includes water pipe, and water pipe is provided with water inlet, transversely arranged along length of pipe direction is provided with multiple outlet pipe communicated with water pipe, is all connected to a vomerine tooth below each outlet pipe；Described vomerine tooth includes plough cutting edge of a knife or a sword side and plough dorsal part, and its plough cutting edge of a knife or a sword side is blade-like, towards a side of tractor tug；Its plough dorsal part is internally formed jetting pipeline one section through, and the entrance of jetting pipeline communicates with outlet pipe, and its outlet is obliquely towards the side that tractor tug direct of travel is contrary, and the exit of jetting pipeline is provided with water spout；
The entrance that described conveying pipe includes water-supply-pipe and appendix, water-supply-pipe and appendix is positioned at traction shipboard, and outlet communicates with water inlet and air inlet respectively.
2. ship borne type bottom sediment prosthetic device as claimed in claim 1, it is characterised in that: configuring water pump and air pump on tractor tug, water-supply-pipe entrance connects with water pump, and appendix entrance connects with air pump.
3. ship borne type bottom sediment prosthetic device as claimed in claim 1, it is characterised in that: described aeration tube and water pipe are all embedded in base plate interior, and water inlet, air inlet and micro porous aeration head extend to the outside of base plate.
4. ship borne type bottom sediment prosthetic device as claimed in claim 1, it is characterised in that: base plate is be upturned streamlined near the side of tractor tug.
5. ship borne type bottom sediment prosthetic device as claimed in claim 1, it is characterised in that: described plough cutting edge of a knife or a sword side includes one section of vertical section and one section of tilting section, and a pointed vomerine tooth end is formed on the bottom of described tilting section.
6. adopt the method that the ship borne type bottom sediment prosthetic device described in claim 1 carries out bottom sediment reparation, it is characterised in that: tractor tug drags prosthetic device main body and travels forward；Liquid is carried to seabed by water-supply-pipe；Gas is carried to seabed by appendix.
7. adopt the method that the ship borne type bottom sediment prosthetic device described in claim 1 carries out bottom sediment reparation, it is characterised in that: described liquid is the sea water containing biological reagent or chemical reagent, and described gas is oxygen or ozone.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242400.2A CN105753280B (en) | 2016-04-19 | 2016-04-19 | Ship borne type bottom sediment prosthetic device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610242400.2A CN105753280B (en) | 2016-04-19 | 2016-04-19 | Ship borne type bottom sediment prosthetic device and method |
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| Publication Number | Publication Date |
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| CN105753280A true CN105753280A (en) | 2016-07-13 |
| CN105753280B CN105753280B (en) | 2018-02-27 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201610242400.2A Active CN105753280B (en) | 2016-04-19 | 2016-04-19 | Ship borne type bottom sediment prosthetic device and method |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648749A (en) * | 2020-07-09 | 2020-09-11 | 中国海洋石油集团有限公司 | Seabed shallow surface layer natural gas hydrate mobile vertical pipe type mining system and mining method |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000233196A (en) * | 1999-02-12 | 2000-08-29 | Hiyoshi:Kk | Device for removing foreign matter for wastewater disposal |
| CN103848548A (en) * | 2014-03-05 | 2014-06-11 | 华东师范大学 | Sediment repair aeration device for intensifying controlled release of endogenous nutrients and aeration method thereof |
| CN104895031A (en) * | 2015-05-04 | 2015-09-09 | 安徽工业大学 | Polluted water and muddy water synchronous repair ship and application method |
| CN205528335U (en) * | 2016-04-19 | 2016-08-31 | 国家海洋局第一海洋研究所 | Ship -borne deep -sea sediment prosthetic devices |
-
2016
- 2016-04-19 CN CN201610242400.2A patent/CN105753280B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000233196A (en) * | 1999-02-12 | 2000-08-29 | Hiyoshi:Kk | Device for removing foreign matter for wastewater disposal |
| CN103848548A (en) * | 2014-03-05 | 2014-06-11 | 华东师范大学 | Sediment repair aeration device for intensifying controlled release of endogenous nutrients and aeration method thereof |
| CN104895031A (en) * | 2015-05-04 | 2015-09-09 | 安徽工业大学 | Polluted water and muddy water synchronous repair ship and application method |
| CN205528335U (en) * | 2016-04-19 | 2016-08-31 | 国家海洋局第一海洋研究所 | Ship -borne deep -sea sediment prosthetic devices |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111648749A (en) * | 2020-07-09 | 2020-09-11 | 中国海洋石油集团有限公司 | Seabed shallow surface layer natural gas hydrate mobile vertical pipe type mining system and mining method |
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