CN104854279A - Suction head for dredger - Google Patents
Suction head for dredger Download PDFInfo
- Publication number
- CN104854279A CN104854279A CN201380064964.6A CN201380064964A CN104854279A CN 104854279 A CN104854279 A CN 104854279A CN 201380064964 A CN201380064964 A CN 201380064964A CN 104854279 A CN104854279 A CN 104854279A
- Authority
- CN
- China
- Prior art keywords
- entrance
- inlet head
- sand
- mudflow
- side entrance
- Prior art date
- Legal status (The legal status 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 status listed.)
- Pending
Links
Classifications
-
- 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
- E02F3/902—Component parts, e.g. arrangement or adaptation of pumps for modifying the concentration of the dredged material, e.g. relief valves preventing the clogging of the suction pipe
-
- 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
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9243—Passive suction heads with no mechanical cutting means
-
- 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
- E02F3/92—Digging elements, e.g. suction heads
- E02F3/9243—Passive suction heads with no mechanical cutting means
- E02F3/925—Passive suction heads with no mechanical cutting means with jets
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Jet Pumps And Other Pumps (AREA)
Abstract
The invention relates to a suction head (1) for a dredger, the suction head (1) comprising: an outlet (2) for fluidly coupling the suction head with a suction tube (3) for transport of dredge to the loading space of a floating dredger, a sand inlet (4), which in use faces a sand bed (5) to be sucked away, for taking in a flow of dredge (6) in the suction head, and which flow of dredge runs in a dredge flow direction (7) at the sand inlet, a side inlet (8) fluidly coupled with the sand inlet, wherein the side inlet and the outlet are arranged at opposite sides of the suction head for introducing a lateral flow (9) from outside the suction head into the suction head locally at the sand inlet, which lateral flow runs substantially transverse relative to the dredge flow direction.
Description
Background technology
The present invention relates to a kind of inlet head for dredge boat (suction head, dust collecter), this inlet head has:
-outlet, for described inlet head and suction pipe fluid being coupled, for loading space mud being delivered to floating dredge boat; And
-sand entrance, described sand entrance is during use towards husky bed (sand bed, sand bed) to be siphoned away, and for introducing mudflow in described inlet head, and described mudflow runs along mudflow direction in sand entrance.
JP61028635 discloses a kind of inlet head device for mud dredging work.This device has circulator, and this circulator has the screw blade arranged along the opening in the bottom of body, to allow to carry out dredging work with high sludge content.This known device needs a large amount of parts, and for increase sludge content relative complex.
FR834639 (A) discloses a kind of inlet head for trailing dredger (trailing dredger).The object of FR834639 is, the soil strong to the permeability with high concentration performs dredging.Therefore, the contracting noz(zle) on surface is pointed to through drag head (draghead, drag head).Nozzle is positioned at before drag head, and it is the leading edge of drag head.
US2007130807 (Al) relates to head of dredging, and uses for dredging system.The object of US2007130807 is to provide one to dredge head, and this head of dredging has moveable grid members, is suitable for and is configured to the expectation according to user, optionally extending on the opening of head of dredging.Moveable grid members can allow user to clear up to have the head of dredging of plugging block or obstruction, and without the need to cutting off the power supply of dredging system pump.And moveable grid members can allow user to clear up to have the head of dredging of plugging block or obstruction, and does not require that user uses hand manually to remove plugging block or obstruction from the opening sucking/dredge head.
Summary of the invention
The object of the invention is to, provide a kind of inlet head for dredge boat, described inlet head can with high sludge content operation dredge boat.
Another object of the present invention is, improves the inlet head for dredge boat and partly solves at least one problem be associated with known inlet head.
Another object of the present invention is, provides a kind of inlet head for dredge boat of replacement.
According to a first aspect of the invention, this is realized by a kind of inlet head for dredge boat, and described inlet head comprises:
-outlet, for described inlet head and suction pipe fluid are coupled, for loading space mud being delivered to floating dredge boat,
-sand entrance, described entrance towards husky bed to be siphoned away, introduces mudflow in described inlet head during use, and described mudflow runs along mudflow direction in sand entrance,
-side entrance, couple with described sand inlet fluid, wherein, described side entrance and outlet are arranged in the opposite side place of inlet head, for being introduced into inlet head from the outer partial of inlet head in sand entrance by horizontal stream, described laterally stream laterally runs substantially relative to described mudflow direction.
The transverse direction stream be associated with side entrance produces whirlpool in sand entrance partly in inlet head, and therefore, promote to form sand/aqueous mixtures, this is when mixture enters outlet, produces higher sand share in the mixture.This is favourable in running cost.Pump sucks less water, as transmission medium, which saves energy and decreases spill losses.Higher sand share or high sludge content are dredged also referred to as high density.
Effect aspect for side entrance on the opposite side that side entrance and outlet are arranged in inlet head is favourable, this is because laterally stream extends along the whole width of inlet head, this represents whole mudflow.
Side entrance represents that the stream entered by this side entrance has such composition, that is, this composition is horizontal in sand entrance relative to mudflow direction.Side entrance is arranged in the sidepiece place of inlet head relative to its direct of travel.
On the contrary, its nozzle is placed on before drag head by FR834639 (A), and it is the leading edge of drag head.In addition, this nozzle can not produce whirlpool, for forming the sand/aqueous mixtures with higher sand share.
" side " entrance and from the outside of inlet head horizontal flow specification this laterally stream is different from the mudflow as main stream.
In an embodiment of the invention, described side entrance is laterally directed relative to sand entrance.This effect for side entrance is best.
In an embodiment of the invention, the husky bed that described side entrance is to be siphoned away dorsad during use, for the water introducing relative clean.This shows that horizontal stream is different from the mudflow as main stream even more.
In an embodiment of the invention, described sand entrance has sand entrance section region, and described side entrance has side entrance cross section, and described side entrance cross section is less relative to described sand entrance section region, preferably described side entrance cross section is between the 10-25% in described sand entrance section region.This shows compared with the mudflow as main stream, and horizontal water inlet flow is less.
In an embodiment of the invention, described side entrance is transformed into sand entrance, is preferably transformed into sand entrance glibly.This can realize constructing more simply and manufacture to inlet head.
In an embodiment of the invention, described sand entrance and described side entrance form.This can realize structure and the manufacture to inlet head even more simply.
In an embodiment of the invention, described inlet head comprises multiple side entrance.
In an embodiment of the invention, inlet head comprises water injector, and this water injector has water spray outlet, and described water spray outlet is arranged as and is introduced into by stream with the described side entrance that exports and be associated of spraying water.This even further increases the effect of laterally stream.
In an embodiment of the invention, the outlet of described water spray exports the side entrance fluid be associated couple with described water spray.
In an embodiment of the invention, inlet head comprises passive (passive) or active (active) tap layer arrangement for adjusting height.Layer adjusting device can be passive or active, wherein, have the height of source-representation tap layer to be the result of setting value, and when passive layer adjusting device, tap layer is the result of the weight of (such as) inlet head.
According to a further aspect in the invention, this is realized by one boats and ships (such as, hopper) of dredging, described in boats and ships of dredging comprise according to inlet head of the present invention.Boats and ships of dredging can use outboard immersion excavating pump, and this excavating pump is dredged even more favourable for high density.
According to another aspect of the invention, this is realized by a kind of method of the inlet head for operating dredge boat, and described inlet head comprises:
-outlet, for described inlet head and suction pipe fluid are coupled, for loading space mud being delivered to floating dredge boat,
-sand entrance, described sand entrance towards husky bed to be siphoned away, introduces mudflow in described inlet head during use, and described mudflow runs along mudflow direction in sand entrance,
Said method comprising the steps of:
-relative to mudflow direction, be incorporated into laterally flowing in inlet head in sand entrance partly.
The invention further relates to a kind of device, this device comprises one or more characteristic feature that are that describe in the description and/or that show in the accompanying drawings.
The invention further relates to a kind of method, the method comprises one or more characteristic feature that are that describe in the description and/or that show in the accompanying drawings.
The various aspects discussed in this patent can combine, to provide extra favourable advantage.
Accompanying drawing explanation
Illustrate the present invention further with reference to the preferred embodiment shown in the accompanying drawings, in the accompanying drawings, show:
Fig. 1 is the phantom drawing of the schematic diagram of the first embodiment according to inlet head of the present invention;
Fig. 2 is the phantom drawing of another embodiment according to inlet head of the present invention; And
Fig. 3 is another phantom drawing of the inlet head according to Fig. 2.
Detailed description of the invention
The present invention is illustrated further with reference to all diagram 1-3.These figures show that the inlet head 1 for dredge boat.This inlet head 1 is pulled along husky bed 5 to be siphoned away by dredge boat.Inlet head 1 comprises outlet 2, for inlet head 1 and suction pipe 3 fluid are coupled, for loading space mud being delivered to floating dredge boat, described loading space and dredge boat not shown.Suction pipe 3 extends along the tow direction 24 of inlet head 1 usually, as shown herein.
Inlet head 1 comprises sand entrance 4.During use, this entrance 4 is during use towards husky bed 5 to be siphoned away.In FIG, entrance 4 is consistent with the end face of husky bed 5, but this is not unanimously strict needs, and as apparent from Fig. 2 and Fig. 3, in these figures, the end face of entrance 4 and husky bed 5 is inconsistent, but entrance 4 is still towards husky bed 5 to be siphoned away.Entrance 4 introduces mudflow 6 in inlet head 1.Mudflow 6 runs along mudflow direction 7 at sand entrance 4 place, then, continues to move to outlet 2 by inlet head 1.
Inlet head 1 comprises side entrance 8, and this side entrance and sand entrance 4 fluid couple.Inlet head 1 has a side entrance 8.Side entrance 8 and outlet 2 are mutually arranged as and horizontal stream 9 are introduced in inlet head at sand entrance 4 from the outer partial of inlet head 1.Laterally stream 9 has horizontal flow path direction 12 at sand entrance 4 place, and this direction is laterally run substantially relative to mudflow direction 7, for producing whirlpool at sand entrance 4 place partly in inlet head 1.Side entrance 8 is laterally directed relative to sand entrance 4, and this is best for producing whirlpool at sand entrance 4 place partly in inlet head 1.During use, the husky bed 5 that side entrance 8 is to be siphoned away dorsad, for the water introducing relative clean, but produce whirlpool at sand entrance 4 place partly in inlet head 1, this clean water is not strict needs.Sand entrance 4 has sand entrance section region 10, and side entrance 8 has side entrance cross section 11.Side entrance cross section 11 is less relative to sand entrance section region 10, and herein, side entrance cross section is between the 10-25% in sand entrance section region 10.Sand entrance section region 10 is limited by the framing component of inlet head 1, in Fig. 2,3, is limited by framing component 17,18,19, and wherein, framing component 18 is imaginary restrictions.In FIG, side entrance cross section 11 is limited by side entrance framing component 13,14,15,16.In Fig. 2,3, side entrance cross section 11 is limited by side entrance framing component 18,21, and wherein, framing component 18 is imaginary restrictions.In Fig. 2,3, side entrance 8 is transformed into sand entrance 4 glibly.In other words, side entrance 8 and sand entrance 4 share a common imaginary framing component 18.Sand entrance 4 and side entrance 8 can form.In FIG, side entrance 8 and outlet 2 are arranged on the opposite side of inlet head 1.
Inlet head 1 can comprise water injector (not shown), and this water injector has water spray outlet, and described water spray outlet is arranged as and stream introducing is exported in the side entrance 8 be associated with water spray.Water spray outlet can export side entrance 8 fluid be associated and couples with spraying water.
Between the operating period of inlet head 1, laterally stream 9 is introduced in inlet head 1 at sand entrance 4 place at sand entrance 4 place partly relative to mudflow direction 7.
Comprising above description and accompanying drawing with after some embodiments of the present invention are described, it is evident that this does not limit protection domain.From the disclosure, more embodiment will be apparent to those skilled in the art, and these embodiments in protection scope of the present invention and essence, and are the obvious combinations of the disclosure of prior art and this patent.
Claims (12)
1. the inlet head for dredge boat (1), described inlet head comprises;
-outlet (2), for described inlet head and suction pipe (3) fluid are coupled, for mud being delivered to the loading space of floating dredge boat,
-sand entrance (4), described sand entrance is during use towards husky bed (5) to be siphoned away, for introducing mudflow (6) in described inlet head, and described mudflow runs along mudflow direction (7) in described sand entrance
-side entrance (8), described side entrance and described sand inlet fluid couple, wherein, described side entrance and described outlet are arranged in the opposite side place of described inlet head, for being introduced into described inlet head from the outer partial of described inlet head in described sand entrance by horizontal stream (9), described laterally stream laterally runs substantially relative to described mudflow direction.
2. inlet head according to claim 1, wherein, described side entrance is laterally directed relative to described sand entrance.
3. according to the inlet head described in aforementioned claim, wherein, the described husky bed that described side entrance is to be siphoned away dorsad during use, for the water introducing relative clean.
4. according to the inlet head described in aforementioned claim, wherein, described sand entrance has sand entrance section region (10), and described side entrance has side entrance cross section (11), and described side entrance cross section is less relative to described sand entrance section region, preferably described side entrance cross section is between the 10-25% in described sand entrance section region.
5., according to the inlet head described in aforementioned claim, wherein, described side entrance is transformed into described sand entrance, is preferably transformed into described sand entrance glibly.
6., according to the inlet head described in aforementioned claim, wherein, described sand entrance and described side entrance form.
7., according to the inlet head described in aforementioned claim, wherein, described inlet head comprises multiple side entrance.
8. according to the inlet head described in aforementioned claim, comprise water injector, described water injector has water spray outlet, and described water spray outlet is arranged to stream to be introduced into the described side entrance that exports and be associated of spraying water.
9. inlet head according to claim 8, wherein, the outlet of described water spray exports the described side entrance fluid be associated couple with described water spray.
10., according to the inlet head described in aforementioned claim, comprise passive or active tap layer arrangement for adjusting height.
11. 1 kinds of boats and ships of dredging, such as hoppers, described in boats and ships of dredging comprise according to the inlet head described in aforementioned claim.
12. 1 kinds for operating the method for the inlet head of dredge boat, described inlet head comprises:
-outlet, for described inlet head and suction pipe fluid are coupled, for loading space mud being delivered to floating dredge boat,
-sand entrance, described sand entrance towards husky bed to be siphoned away, introduces mudflow in described inlet head during use, and described mudflow runs along mudflow direction in described sand entrance,
Said method comprising the steps of;
-relative to described mudflow direction, be incorporated into laterally flowing in described inlet head in described sand entrance partly.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| NL2009957A NL2009957C2 (en) | 2012-12-11 | 2012-12-11 | Suction head for a dredger. |
| NL2009957 | 2012-12-11 | ||
| PCT/NL2013/050884 WO2014092567A1 (en) | 2012-12-11 | 2013-12-10 | Suction head for a dredger |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104854279A true CN104854279A (en) | 2015-08-19 |
Family
ID=47561773
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201380064964.6A Pending CN104854279A (en) | 2012-12-11 | 2013-12-10 | Suction head for dredger |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US20160186409A1 (en) |
| EP (1) | EP2931982A1 (en) |
| CN (1) | CN104854279A (en) |
| NL (1) | NL2009957C2 (en) |
| SG (1) | SG11201504539XA (en) |
| WO (1) | WO2014092567A1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| BE1021095B1 (en) * | 2013-11-04 | 2016-01-18 | VAN ROMPAY BOUDEWIJN GABRIëL | DEVICE AND METHOD FOR REMOVING SLUDGE FROM THE BOTTOM OF A WATER FIELD |
| US10450720B2 (en) * | 2016-04-21 | 2019-10-22 | Boudewijn Gabriël Van Rompay | Device and method for removing alluvial deposits from the bed of a body of water |
| GB2570167B (en) * | 2018-04-20 | 2020-07-29 | Rotech Group Ltd | Improvements in and relating to underwater excavation apparatus |
| CN111561008B (en) * | 2020-05-21 | 2022-07-26 | 镇江市亿华***集成有限公司 | Method for evaluating and assisting decision-making of dredger end dredging process of drag suction dredger |
Family Cites Families (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US371686A (en) * | 1887-10-18 | howell | ||
| US1754507A (en) * | 1924-09-26 | 1930-04-15 | Henry A Frohm | Pneumatic excavator and conveyer |
| DE474542C (en) * | 1927-06-11 | 1929-04-05 | Friedrich Ewig | Suction excavator with suction head rotatably mounted on the suction pipe end about a horizontal axis |
| FR834639A (en) * | 1937-08-02 | 1938-11-25 | Improvements to the suction pipes of suction dredgers or other devices sucking solids suspended in a liquid | |
| FR1399762A (en) * | 1964-04-03 | 1965-05-21 | Grenobloise Etude Appl | Improvements to suction dredgers |
| US4018483A (en) * | 1974-09-18 | 1977-04-19 | Smith D Kermit | Process and apparatus for dislodging and conveying material from a surface with a positive pressure fluid stream |
| US4058914A (en) * | 1975-12-15 | 1977-11-22 | Kiss Sandor G | Alternate flow suction dredge |
| NL166514C (en) * | 1977-12-27 | 1981-08-17 | Volker Groep Nv | Towing head for a dredger. |
| JPS56150258U (en) * | 1980-04-11 | 1981-11-11 | ||
| NL175210C (en) * | 1981-04-15 | 1984-10-01 | Ihc Holland Nv | TOWING HEAD FOR A SLEEPER. |
| JPS57190844A (en) * | 1981-05-18 | 1982-11-24 | Mitsubishi Heavy Ind Ltd | Drag head with contact pressure regulating tank |
| JPS6128635A (en) | 1984-07-19 | 1986-02-08 | Toa Harbor Works Co Ltd | Suction head device for sludge dredging work |
| JPH06104982B2 (en) * | 1990-02-28 | 1994-12-21 | 運輸省港湾技術研究所長 | Drag head in drag type dredger |
| GB9219330D0 (en) * | 1992-09-11 | 1992-10-28 | Electrolux Northern | Improvements in and relating to collection devices |
| US5970635A (en) * | 1998-01-29 | 1999-10-26 | Wilmoth; Daryl | Jet agitation dredging system |
| US7089693B2 (en) * | 2003-02-05 | 2006-08-15 | Ea Engineering Science And Technology, Inc. | Dredging method and apparatus |
| US7552551B2 (en) * | 2005-12-12 | 2009-06-30 | Kohutko Richard J | Suction head for sediment dredge |
| US9506216B2 (en) * | 2013-11-26 | 2016-11-29 | Neal R. Lewis | Water body cleaner with selective sediment dredging head |
-
2012
- 2012-12-11 NL NL2009957A patent/NL2009957C2/en not_active IP Right Cessation
-
2013
- 2013-12-10 SG SG11201504539XA patent/SG11201504539XA/en unknown
- 2013-12-10 CN CN201380064964.6A patent/CN104854279A/en active Pending
- 2013-12-10 WO PCT/NL2013/050884 patent/WO2014092567A1/en active Application Filing
- 2013-12-10 US US14/651,563 patent/US20160186409A1/en not_active Abandoned
- 2013-12-10 EP EP13808269.8A patent/EP2931982A1/en not_active Withdrawn
Also Published As
| Publication number | Publication date |
|---|---|
| NL2009957C2 (en) | 2014-06-12 |
| EP2931982A1 (en) | 2015-10-21 |
| US20160186409A1 (en) | 2016-06-30 |
| SG11201504539XA (en) | 2015-07-30 |
| WO2014092567A1 (en) | 2014-06-19 |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| EXSB | Decision made by sipo to initiate substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20150819 |
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| WD01 | Invention patent application deemed withdrawn after publication |