NL2013770B9 - Hopper dredger with flocculant injection system. - Google Patents

Hopper dredger with flocculant injection system.

Info

Publication number
NL2013770B9
NL2013770B9 NL2013770A NL2013770A NL2013770B9 NL 2013770 B9 NL2013770 B9 NL 2013770B9 NL 2013770 A NL2013770 A NL 2013770A NL 2013770 A NL2013770 A NL 2013770A NL 2013770 B9 NL2013770 B9 NL 2013770B9
Authority
NL
Netherlands
Prior art keywords
hopper
mixture
hopper dredger
injection system
flocculant injection
Prior art date
Application number
NL2013770A
Other versions
NL2013770B1 (en
Inventor
Camilo Ooijens Sergio
Christiaan Van Der Blom Erik
Original Assignee
Ihc Holland Ie Bv
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Ihc Holland Ie Bv filed Critical Ihc Holland Ie Bv
Priority to NL2013770A priority Critical patent/NL2013770B9/en
Priority to PCT/NL2015/050778 priority patent/WO2016076709A2/en
Publication of NL2013770B1 publication Critical patent/NL2013770B1/en
Application granted granted Critical
Publication of NL2013770B9 publication Critical patent/NL2013770B9/en

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0087—Settling tanks provided with means for ensuring a special flow pattern, e.g. even inflow or outflow
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/0039—Settling tanks provided with contact surfaces, e.g. baffles, particles
    • B01D21/0042—Baffles or guide plates
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/305—Control of chemical properties of a component, e.g. control of pH
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D21/00—Separation of suspended solid particles from liquids by sedimentation
    • B01D21/30—Control equipment
    • B01D21/32—Density control of clear liquid or sediment, e.g. optical control ; Control of physical properties
    • 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01D—SEPARATION
    • B01D2221/00—Applications of separation devices
    • B01D2221/08—Mobile separation devices

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Treatment Of Sludge (AREA)
  • Separation Of Suspended Particles By Flocculating Agents (AREA)

Abstract

According to an aspect of the invention, a hopper dredger comprises a hopper for receiving a mixture of dredged material; a suction tube extendable from the hopper dredger for suctioning dredge mixture; a dredge pump connected to the suction tube for moving the dredged mixture through the suction tube into the hopper; and a flocculant injector system for injecting flocculants into the dredged mixture.
NL2013770A 2014-11-11 2014-11-11 Hopper dredger with flocculant injection system. NL2013770B9 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
NL2013770A NL2013770B9 (en) 2014-11-11 2014-11-11 Hopper dredger with flocculant injection system.
PCT/NL2015/050778 WO2016076709A2 (en) 2014-11-11 2015-11-09 Hopper dredger with flocculant injection system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL2013770A NL2013770B9 (en) 2014-11-11 2014-11-11 Hopper dredger with flocculant injection system.

Publications (2)

Publication Number Publication Date
NL2013770B1 NL2013770B1 (en) 2016-10-06
NL2013770B9 true NL2013770B9 (en) 2017-03-29

Family

ID=52472499

Family Applications (1)

Application Number Title Priority Date Filing Date
NL2013770A NL2013770B9 (en) 2014-11-11 2014-11-11 Hopper dredger with flocculant injection system.

Country Status (2)

Country Link
NL (1) NL2013770B9 (en)
WO (1) WO2016076709A2 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108343106B (en) * 2018-03-23 2020-07-07 中交天航港湾建设工程有限公司 Method for excavating coarse sand by using drag suction ship with underwater pump
CN111453961A (en) * 2020-05-29 2020-07-28 石家庄航全矿产品有限公司 Integrated process for continuously dredging sediment in situ
CN112281970B (en) * 2020-12-01 2021-10-19 武汉理工大学 Equipment for improving loading efficiency of trailing suction hopper dredger

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL175211C (en) 1973-10-15 1984-10-01 Bos Kalis Westminster DEVICE AND METHOD FOR VACING A GROUND SUSPENSION WITH A TRANSPORT MEDIUM.
NL7806662A (en) * 1978-06-20 1979-12-27 Sediment Science Limited Erodable river-bed sediment stabilisation system - deposits solids suspended in non-hardening material directly on sediment
NL8703137A (en) * 1987-12-24 1989-07-17 Hollandsche Betongroep Nv METHOD AND APPARATUS FOR DEPOSITING UNDERWATER DEPOSIT, IN PARTICULAR COVERING A PIPE OR THE LIKE.
HU9202203D0 (en) * 1990-01-29 1992-12-28 Yasuyuki Sakurada Apparatus for purifying sewage water
NL9301589A (en) 1993-09-14 1995-04-03 Hollandsche Betongroep Nv Sedimentation facility with site separator.
IT1294493B1 (en) * 1997-09-19 1999-04-12 Labromare Srl METHOD FOR THE CONTROLLED RECLAMATION OF BACKGROUNDS OF POLLUTED BASINS AND RELATED PLANT
US7276154B1 (en) * 2004-02-25 2007-10-02 Vav Technologies, Inc. Settling grid separator
NL2008273C2 (en) 2012-02-10 2013-08-14 Ihc Holland Ie Bv Overflow device for a vessel.

Also Published As

Publication number Publication date
NL2013770B1 (en) 2016-10-06
WO2016076709A2 (en) 2016-05-19
WO2016076709A3 (en) 2016-07-07

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Legal Events

Date Code Title Description
TK Erratum

Effective date: 20170329

MM Lapsed because of non-payment of the annual fee

Effective date: 20171201