CN201202126Y - Environment-protective desilting head and environment-protective desilting system therewith - Google Patents
Environment-protective desilting head and environment-protective desilting system therewith Download PDFInfo
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- CN201202126Y CN201202126Y CNU2008200045214U CN200820004521U CN201202126Y CN 201202126 Y CN201202126 Y CN 201202126Y CN U2008200045214 U CNU2008200045214 U CN U2008200045214U CN 200820004521 U CN200820004521 U CN 200820004521U CN 201202126 Y CN201202126 Y CN 201202126Y
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Abstract
The utility model discloses an environment-friendly dredging head, which comprises a main body for limiting a dredging channel, wherein the dredging channel comprises a suction chamber, a decelerating booster chamber and a high-speed decompression chamber which is arranged between the suction chamber and the decelerating booster chamber. Additionally, the dredging head comprises a high pressure fluid pipeline with an outlet, wherein the outlet of the pipeline is arranged inside the dredging channel in order to spray high pressure fluid into the dredging channel, thereby forming the negative pressure in the dredging channel to aspirate to-be-excavated matters, and then exhausting out the matters from the dredging channel. Owing to the structure, the dredging head not only is used on dredging operations, but also can effectively prevent the environment around the waters to be contaminated. Furthermore, the utility model further relates to an environment-friendly system which is provided with the dredging head.
Description
Technical field
The present invention relates to a kind of Accrete clearing device, this device is used to remove matter underwater, for example mud of sand, pollution and small amount of solid stone etc., and be particularly related to a kind of environmental protection desilting head.In addition, the invention still further relates to a kind of environmental protection desilting system that is provided with this desilting head.
Background technology
Now, Accrete clearing device is mainly used in to remove and is positioned at various large-scale waters, for example the mud of the pollution in the bottoms such as river, lake and pond, sand, solid stone etc.Usually, carry out marine dredging operation with fairly large operation Accrete clearing device.Because desilting operation is larger, need boats and ships, relatively large pump or diesel engine usually.In operation, this Accrete clearing device that combines boats and ships and relatively large pump or diesel engine is easy to produce near the desilting zone and destroys, and is unsuitable in responsive waters, carries out the desilting operation of environmental protection in for example drinkable waters.
In addition, for fairly large marine dredging operation, this boats and ships and the relatively large pump or the Accrete clearing device of diesel engine of needing has huge relatively weight and complicated structure usually.Therefore, be difficult to move them relatively, and be difficult to they are assembled/dismantle.
Consider the problems referred to above, provide a kind of and overcome above-mentioned shortcoming, and the Accrete clearing device that is suitable for carrying out environmental protection desilting operation is desirable.
The utility model content
The purpose of this utility model is, a kind of environmental protection desilting head is provided, and this desilting head can be used for dredging operation, and prevents that effectively the environment around the desilting waters is damaged.
Another purpose of the present utility model is that a kind of environmental protection desilting system that is provided with above-mentioned desilting head is provided.
To achieve these goals, the utility model provides a kind of environmental protection desilting head.This desilting head comprises the main body that defines the desilting passage.This desilting passage comprises intake chamber, deceleration pressurized chamber and high speed step-down chamber, and this high speed step-down chamber is arranged between intake chamber and the deceleration pressurized chamber.And this desilting head comprises the high-pressure fluid pipes with outlet.In addition, the outlet of pipeline is arranged on the inside of desilting passage, so that high-pressure fluid is ejected in this desilting passage, is used for forming negative pressure drawing material to be excavated at the desilting passage, and is used for these materials are extruded from this desilting passage.
The utility model also provides a kind of environmental protection desilting system.This system comprises unsteady pedestal, lifting gear, transfer canal, dynamical system, conveyance conduit and desilting head.Wherein this lifting gear is installed on this pedestal, and has transfer arm; This transfer canal is arranged on this transfer arm; This dynamical system is arranged on this pedestal, is used to produce high-pressure fluid; This conveyance conduit links to each other with this dynamical system, is used to carry high-pressure fluid; This desilting head is connected to the lower end of the transfer arm of the lifting gear that is used for mobile this desilting head, and links to each other with the end of conveyance conduit and the end of transfer canal, and this conveyance conduit is used to receive the high-pressure fluid from dynamical system.This desilting head also comprises the main body that defines the desilting passage.This desilting passage comprises intake chamber, deceleration pressurized chamber and high speed step-down chamber, and this high speed step-down chamber is arranged between intake chamber and the deceleration pressurized chamber.This deceleration pressurized chamber has the outlet that links to each other with the end of transfer canal.In addition, this desilting head also comprises the high-pressure fluid pipes with entrance and exit.The inlet of this pipeline links to each other with the end of the conveyance conduit that is used to introduce high-pressure fluid.The outlet of this pipeline is arranged on the inside of desilting passage, so that high-pressure fluid is ejected in the desilting passage, be used for forming negative pressure,, and be used for the other end of these materials from this transmission passage extruded so that material to be excavated is drawn onto in the desilting passage at this desilting passage.
Compared with prior art, the utility model provides a kind of environmental protection desilting head.In operation, high-pressure fluid, for example water is incorporated in the desilting passage by pipeline.Since the structure of this desilting passage, high-pressure fluid with high velocity jet in the high speed step-down chamber of this desilting passage.Then, the pressure of fluid reduces in this high speed step-down chamber gradually, thereby produces high vacuum or negative pressure.This high vacuum or negative pressure can realize such effect, are about to be drawn in the desilting passage such as the material of sand, mud, solid etc.The material of being drawn will mix with the fluid that sprays and form its mixture.When mixture flows in the deceleration pressurized chamber, the speed of this mixture will reduce, and pressure will raise.Because the pressure that mixture increases can be forced into this mixture the predetermined assembling position from the desilting passage.Therefore, in the dredging operation process of desilting head, this desilting head is used for drawing the material in desilting waters, and they are extruded, and can not produce destruction to the environment around the waters.
Compared with prior art, owing to be provided with above-mentioned desilting head, this environmental protection desilting system can have above-mentioned advantage equally.
Description of drawings
Fig. 1 is a kind of schematic diagram of environmental protection desilting system, and this system is provided with the desilting head according to first embodiment of the present utility model;
Fig. 2 is the stereogram of desilting head shown in Figure 1;
Fig. 3 is the stereogram that desilting head shown in Figure 1 is looked from another direction;
Fig. 4 is the upward view of desilting head shown in Figure 2;
Fig. 5 is the schematic cross-section that obtains along the line A-A among Fig. 4; With
Fig. 6 is the schematic diagram according to the another kind of desilting head of second embodiment of the present utility model.
The specific embodiment
Be mainly used in various waters according to environmental protection desilting head of the present utility model, for example carry out environmental protection desilting operation in sea, the lake etc.,, for example carry out this desilting operation in reservoir, the drinkable waters particularly in responsive waters.
According to embodiment of the present utility model, this desilting head comprises main body.Define the desilting passage in this main body, this passage is used to draw and discharge material to be excavated, for example sand, tile, solid stone etc.
This desilting passage comprises intake chamber, slow down pressurized chamber and be arranged on intake chamber and deceleration pressurized chamber between high speed step-down chamber.In addition, this desilting head comprises and is used to introduce high-pressure fluid, for example the pipeline of water, waste water and other suitable fluid.
The outlet of this pipeline is arranged on the desilting channel interior, so that high-pressure fluid is ejected in the desilting passage.Because this structure of this desilting passage, the pressure of fluid is in the indoor reduction gradually of high speed pressure letdown chamber, and this causes producing high vacuum or negative pressure in this chamber.This high vacuum or negative pressure generation power are drawn material to be excavated.Then, the material of being drawn mixes the formation mixture with the fluid of injection.
When this mixture flows in the deceleration pressurized chamber, the speed of this mixture will reduce, and its pressure will increase.The mixture increased pressure can extrude this mixture from the desilting passage, and is pressed onto predetermined collection place by pipeline, for example in the separator.Because this desilting head is used in desilting operation draws substance, and extrudes them, therefore, can't produce destructive influences to the surrounding environment in desilting waters.
Therefore, not only can be used for the desilting operation, and can be used for preventing effectively that the environment around the desilting waters from being destroyed according to the desilting head of embodiment of the present utility model.
Now will specify the environmental protection desilting system in conjunction with the accompanying drawings, this system is provided with the desilting head according to embodiment of the present utility model.
With reference to Fig. 1, show environmental protection desilting system 100, this system 100 is provided with according to the desilting of first embodiment of the present utility model 40.This desilting system 100 comprises unsteady pedestal 10, lifting gear 20, transfer canal 30, desilting 40, separator 50, gathering system 60 and dynamical system 70.Wherein, this lifting gear 20 is installed on this unsteady pedestal 10; Transfer canal 30 is arranged on the transfer arm 21 of this lifting gear 20; Desilting 40 is connected on the lower end 211 of this transfer arm 21, and is communicated with an end 31 of pipeline 30; Separator 50 engages with the other end 32 of pipeline 30; Gathering system 60 is cooperated with separator 50; Dynamical system 70 is arranged on this unsteady pedestal 10, and links to each other by conveyance conduit 71 and desilting 40.
In first embodiment, the pedestal 10 that floats can be common boats and ships or a plurality of unsteady housing that removably connects in end to end mode.The pedestal 10 that should float is used for fixing or receives other element or material, to help carrying out marine desilting operation.Should recognize that when close bank, desilting zone, land or other suitable supporting construction, unsteady pedestal 10 can dispense from system 100.
In the time need separating the material that utilizes the desilting head to excavate from the desilting zone, separator 50 is necessary.This separator 50 can be common eliminator or other special-purpose separator.The selection of separator 50 can decide based on the characteristic of institute's excavatable materials.Gathering system 60 is used to receive and collect the material that these are separated.
Be installed on the lower end 211 of transfer arm 21 according to the desilting of first embodiment of the present utility model 40, help desilting 40 is placed in the predetermined waters to be excavated.Transfer canal 30 and desilting 40 links to each other, and the mass transport that is used for excavating is to separator 50 or other precalculated position.In addition, desilting 40 links to each other with dynamical system 70, is used for introducing high-pressure fluids by pipeline 71.
Referring now to Fig. 2-5, in this embodiment, desilting 40 comprises main body 41.Define desilting passage 411 in this main body 41, this desilting passage 411 is communicated with the lower end 31 of transfer canal 30, is used to draw and discharge material to be excavated, for example sand, tile, solid stone etc.
In first embodiment, the desilting passage comprises intake chamber 4112, deceleration pressurized chamber 4115, and is arranged on the high speed step-down chamber 4113 between intake chamber 4112 and the deceleration pressurized chamber 4115.
In addition, desilting 40 comprises the pipeline 42 that links to each other with the lower end of pipeline 71, is used for introducing high-pressure fluid, for example water, waste water or other suitable fluids from dynamical system 70.
The outlet 421 of pipeline 42 is arranged on the inside of desilting passage 411, so that high-pressure fluid is ejected in the desilting passage 411.
When the polluted water region that for presumptive area, for example is positioned at bottom, drinkable waters carries out dredging operation, transfer arm 21 controlled the moving of lifting gear 20, thus desilting 40 is placed in this presumptive area.Preferably, when desilting 40 was positioned near this zone, it was subjected to the control of transfer arm 21, was placed to as the crow flies in this presumptive area, thereby avoided destroying environment around this zone.
When desilting 40 was placed in this zone, dynamical system 70 was driven, and produced high-pressure fluid, for example water or seawater, and it is transported in the pipeline 42 by conveyance conduit 71.
In case water under high pressure upwards is ejected in the desilting passage 411, high speed step-down chamber 4113 at first receives this water under high pressure.In addition, chamber 4113 is configured to, and roughly keeps the flow at high speed of water, and forms water turbulence, thereby makes hydraulic pressure reduce gradually, and forms high vacuum or negative pressure in this chamber 4113.This high vacuum or negative pressure be generation power in chamber 4113, so that with material to be excavated in the desilting zone, for example sand, finger stone, mud etc. are drawn onto in the intake chamber 4112.
When the material that is excavated is inhaled in the chamber 4113, they will mix with water under high pressure, because the existence of eddy current water, its mixture is forced to be in the eddy motion.
In case mixture flow in the deceleration pressurized chamber 4115, the flow velocity of this mixture just reduces, but pressure can increase.The pressure that increases is subjected to the control of dynamical system 70, so that this pressure can be pressed into mixture in separator 50 or other precalculated position by pipeline 30.
If desired, mixture can be sent to by pipeline 30 and carry out lock out operation in the separator 50, then collects the mixture of separating by gathering system 60.
In first embodiment, main body 41 is configured to roughly be the cylinder bodily form with central axial line L.In order to simplify the structure of main body 41, and avoid the energy loss of water under high pressure, shared central axial line L is configured to the center line of desilting passage 411.
In addition, for fear of causing internal blocking because of having drawn big stone, one or more filtering rods 43 are in the entrance of intake chamber 4112, and are arranged in a crossed manner on bottom 412, have stone preliminary dimension, below for example 250mm or solid to allow to suck.In this embodiment, filtering rod 43 is the screwed rods in two ends.In the side of bottom 412, define a pair of and the corresponding opening in two ends filtering rod 43.Insert in the side of bottom 412 by corresponding opening at the two ends of this filtering rod 43, and link to each other with nut, thereby filtering rod 43 is fixed on the bottom 412.
In the side of bottom 412, define the hole, be used to insert pipeline 42, and this pipeline 42 is fixed on the bottom 412.In order to increase the flow velocity of water under high pressure, and obtain better water turbulence, the outlet 421 of pipeline 42 is configured to the structure of taper, and roughly is arranged on the inside in the exit of intake chamber 4112.Preferably, the center line of outlet 421 is configured to the center line of desilting passage 411 overlapping, thereby has better effect.In order to help pipe laying, and location outlet 421, pipeline 42 has the structure of U-shaped.In addition, in order to improve the flow rate of fluid from pipeline 71, the inlet 422 of pipeline 42 is configured to the shape of inverted-cone shape, so that the diameter of the body of pipeline 42 and outlet thereof is less than the diameter of pipeline 71.
First mid portion 413 is configured to the shape of taper, thereby makes its top outlet that enters the mouth from its underpart of the diameter of chamber 4113 roughly dwindle gradually.Because this structure of first mid portion 413 keeps the flow at high speed of water, and reduces hydraulic pressure, so that form high vacuum therein or negative pressure is feasible.
In this embodiment, first mid portion 413 has lower taper part 413A and upper taper part 413B, this lower taper part 413A extends upward from bottom 412 integral body of main body 41, and this upper taper part 413B has lower end that is fixed on the 413A of bottom and the upper end that links to each other with the top 415 of main body 41.Because this structure makes that part 413A/413B is easy to assemble or dismantle.
The top 415 of main body 41 has inverted conical in shape, so that the diameter of chamber 4115 roughly increases gradually from entrance, its underpart to its exit, top.This structure on the top 415 of this main body 41 can reduce the flow velocity of mixture, and increases the pressure of mixture, so that help these mixtures is extruded from desilting passage 411.
Cylinder bodily form part 416 extends upward from the top integral body on the top 415 of main body 41, to form the final outlet of mixture.This cylinder bodily form part 416 is configured to have linear passage 4116, this linear pattern passage 4116 is as the exit portion of desilting passage 411, so that increase by the resulting momentum of pressure that fluid increases in the top 415 of main body 41, and keep this energy as far as possible, thereby help mixture is extruded passage 411.
On the surface of the top 415 of main body 41 and cylinder bodily form part 416, pair of brackets 4151,4161 is set, desilting 40 is connected on the lower end 211 of transfer arm 21 helping.
Should recognize that according to the mode of occupation of reality, the structure on bottom 412, first mid portion 413 and the top 415 of main body 41 is can change or transformable.For example, bottom 412 can have pyramidal structure, to obtain bigger intake, is used for drawing better material to be excavated.
Because the mixture that flows into from chamber 4113 is in the eddy motion with high flow rate, therefore be easy to impact and the inner surface of the desilting 40 of wearing and tearing.Be provided with second mid portion 414 between the top 415 of main body 41 and first mid portion 413, this second mid portion 414 has the linear passage 4114 that is communicated with chamber 4113 and chamber 4115.In order to improve antiwear characteristic, on the inner surface 4141 of this second mid portion 414, be coated with one deck attrition resistant materials, alloy for example, hard nickel etc.In addition, in order to resist the impact of mixture, on the external surface of this second mid portion 414, axially integrally be formed with a plurality of reinforcement bars 4142, to strengthen this second mid portion 414.
In the present embodiment, this second mid portion 414 is the cylinder bodily form.Yet, should recognize that the structure of this second mid portion 414 is changeable or transformable.For example, this second mid portion 414 can be taper or inverted taper.
In order to help assembling or dismounting desilting 40, the complete combination between the bottom 413A of the bottom 412 of main body 41 and first mid portion 413 removably links to each other with the top 413B of first mid portion 413.
In the present embodiment, the flange 4131 of protrusion is formed on the external surface on 413A top, bottom of first mid portion 413, and defines a plurality of through holes 4132 therein.Correspondingly, supporting flange 4133 is formed on the external surface of top 413B bottom of first mid portion 413, and has a plurality of supporting through holes 4134 therein.When bottom 413A that assembles first mid portion 413 and top 413B, the bolt (not shown) is passed the corresponding through hole 4132 of its underpart 413A and the supporting through hole 4134 of top 413B thereof, and utilize the nut (not shown) to connect, thereby the bottom 413A of first mid portion 413 is removably linked to each other with top 413B.
Above-mentioned method of attachment can be used for realizing between the top 413B and second mid portion 414 of first mid portion 413, between second mid portion 414 and top 415 of main body 41, between pipeline 42 and the pipeline 71 and the connection between part 416 and the pipeline 30.Because being the cooperations by bolts and nuts, these connections realize that therefore, they can be easy to take apart.
Assembly and disassembly relatively easy between these elements are extremely beneficial for transportation, loading and unloading and operating system 100.
In addition, in order to improve the fluidisation effect that material to be excavated is used for effective desilting operation, do not destroy and make its dirt widely and can not produce for the environment around the desilting zone, the external surface peripheral in the bottom 412 of main body 41 evenly is provided with at least one nozzle 44.These nozzles 44 link to each other with pipeline 42, are used to introduce high-pressure fluid.In order to control the quality of fluidisation effect better, between nozzle 44 and pipeline 42, valve 45 is set.In addition, in order to realize better fluidisation effect, the outlet 441 of nozzle 44 is provided with downwards, and is arranged near the bottom of main body 41.Before carrying out the desilting operation, can control flow rate of fluid and the pressure that ejects from nozzle 44 by control valve 45.When desilting is operated, at first make material to be excavated be in best fluidisation state from the fluid of nozzle 44, thereby help in these material intake chambers 4112.
Though the utility model also is illustrated in conjunction with the accompanying drawings by the foregoing description, it should not be defined in this.On the contrary, under the situation that does not deviate from principle of the present utility model and spirit, can make multiple improvement and equivalence replacement for said elements and material.For example, as shown in Figure 6, the figure shows according to the another kind of desilting of second embodiment of the present utility model 40 '.In these two embodiment, for purposes of illustration, identical Reference numeral is represented components identical.In a second embodiment, make improvements for first mid portion 413 among first embodiment.Clear and definite, first mid portion 413 ' of second embodiment is an element.This first mid portion part 413 ' is configured to have the taper of the high speed step-down chamber 4113 ' of integration.The diameter of this chamber 4113 ' is configured to, and roughly dwindles gradually from entrance, its underpart to its exit, top.Obviously, high speed step-down chamber 4113 ' can be realized identical functions with the roughly the same mode of the chamber 4113 of first embodiment, thereby reaches identical result.
Claims (28)
1, a kind of environmental protection desilting head is characterized in that it comprises:
Define the main body of desilting passage, described desilting passage comprises intake chamber, deceleration pressurized chamber and high speed step-down chamber, and described high speed step-down chamber is arranged between described intake chamber and the described deceleration pressurized chamber; With
High-pressure fluid pipes with outlet;
The outlet of wherein said high-pressure fluid pipes is arranged on the inside of described desilting passage, so that high-pressure fluid is ejected in the described desilting passage, be used for forming negative pressure drawing material to be excavated, and be used for described material is extruded from described desilting passage at described desilting passage.
2, desilting head as claimed in claim 1, it is characterized in that, described main body comprises bottom, first mid portion and top, described intake chamber, described high speed step-down chamber and described deceleration pressurized chamber are each defined in described bottom, described first mid portion and the described top, and described first mid portion removably links to each other with described top.
3, desilting head as claimed in claim 2, it is characterized in that, described first mid portion has bottom and top, the bottom of described first mid portion is whole the extension from the bottom of described main body, and the top of described first mid portion has lower end and upper end, this lower end is releasably attached on the bottom of described main body, and this upper end removably links to each other with the top of described main body.
4, desilting head as claimed in claim 2, it is characterized in that, it also comprises second mid portion, described second mid portion is removably disposed between the top and described first mid portion of described main body, and in described second mid portion, defining passage, this passage and described high speed step-down chamber and described deceleration pressurized chamber are communicated with.
5, desilting head as claimed in claim 4 is characterized in that, the top of the bottom of described main body, described first and second mid portions and described main body is configured to have shared central axial line, and this central axial line is the center line of described desilting passage.
As one in the claim 1 to 5 described desilting head, it is characterized in that 6, the outlet of described pipeline has the structure of taper, this structure roughly is arranged on the inside at the export center place of described intake chamber.
7, as one in the claim 1 to 5 described desilting head, it is characterized in that, described high speed step-down chamber has roughly tapered shape, its diameter roughly dwindles to its exit gradually from its entrance, wherein, this inlet links to each other with described intake chamber, and this outlet links to each other with described deceleration pressurized chamber.
8, as one in the claim 1 to 5 described desilting head, it is characterized in that described deceleration pressurized chamber has roughly tapered shape, its diameter roughly increases gradually from its entrance to its exit, wherein, this inlet is communicated with described high speed step-down chamber.
9, as one in the claim 2 to 5 described desilting head, it is characterized in that, external surface peripheral in described bottom evenly is provided with at least one nozzle, the outlet of these nozzles is arranged near the bottom of described intake chamber, and be provided with downwards, described at least one nozzle links to each other by valve with described high-pressure fluid pipes.
10, as one in claim 4 and 5 described desilting head, it is characterized in that described second mid portion is formed with the material of one deck hard, wear-resistant on inner surface.
As one in claim 4 and 5 described desilting head, it is characterized in that 11, described second mid portion is the cylinder bodily form,, on the external surface of this second mid portion, evenly and integrally be formed with at least one bracing piece along described second mid portion.
12, as one in the claim 2 to 5 described desilting head, it is characterized in that it also comprises at least one filtering rod, these filtering rods are roughly in the entrance of described intake chamber, and are arranged in a crossed manner on the bottom of described main body.
13, as one in the claim 1 to 5 described desilting head, it is characterized in that, described desilting passage also comprises linear passage, this linear passage extends upward as the crow flies from the exit of described deceleration pressurized chamber, and the diameter of described linear passage is identical with the diameter in the exit of described deceleration pressurized chamber.
14, a kind of environmental protection desilting system comprises:
The pedestal that floats;
Lifting gear, it is installed on this pedestal, and has transfer arm;
Transfer canal, it is arranged on this transfer arm;
Dynamical system, it is arranged on this pedestal, is used to produce high-pressure fluid;
Conveyance conduit, it links to each other with described dynamical system, is used to carry described high-pressure fluid; And
The desilting head, it is connected to the lower end of the transfer arm of the described lifting gear that is used for mobile described desilting head, and link to each other with the end of described conveyance conduit and the end of described transfer canal, described conveyance conduit is used to receive the described high-pressure fluid from described dynamical system;
It is characterized in that:
Described desilting head also comprises:
Define the main body of desilting passage, described desilting passage comprises intake chamber, deceleration pressurized chamber and high speed step-down chamber, described high speed step-down chamber is arranged between described intake chamber and the described deceleration pressurized chamber, and described deceleration pressurized chamber has the outlet that links to each other with the described end of described transfer canal; With
High-pressure fluid pipes with entrance and exit;
The inlet of wherein said high-pressure fluid pipes links to each other with the described end of the conveyance conduit that is used to introduce described high-pressure fluid, the described outlet of described high-pressure fluid pipes is arranged on the inside of described desilting passage, so that described high-pressure fluid is ejected in the described desilting passage, be used for forming negative pressure at described desilting passage, so that material to be excavated is drawn in the described desilting passage, and be used for the other end of described material from described transmission passage extruded.
15, system as claimed in claim 14, it is characterized in that, described main body comprises bottom, first mid portion and top, described intake chamber, described high speed step-down chamber and described deceleration pressurized chamber are each defined in described bottom, described first mid portion and the described top, and described first mid portion removably links to each other with described top.
16, system as claimed in claim 15, it is characterized in that, described first mid portion has bottom and top, the bottom of described first mid portion is whole the extension from the bottom of described main body, and the top of described first mid portion has lower end and upper end, this lower end is releasably attached on the bottom of described main body, and this upper end removably links to each other with the top of described main body.
17, system as claimed in claim 15, it is characterized in that, it also comprises second mid portion, described second mid portion is removably disposed between the top and described first mid portion of described main body, and in described second mid portion, defining passage, this passage and described high speed step-down chamber and described deceleration pressurized chamber are communicated with.
18, system as claimed in claim 17 is characterized in that, the top of the bottom of described main body, described first and second mid portions and described main body is configured to have shared central axial line, and this central axial line is the center line of described desilting passage.
19, as a described system in the claim 14 to 18, it is characterized in that the described outlet of described pipeline has the structure of taper, described structure roughly is arranged on the inside of center of the outlet of described intake chamber.
20, as a described system in the claim 14 to 18, it is characterized in that, described high speed step-down chamber has roughly tapered shape, its diameter roughly dwindles to its exit gradually from its entrance, wherein, this inlet links to each other with described intake chamber, and this outlet links to each other with described deceleration pressurized chamber.
21, as a described system in the claim 14 to 18, it is characterized in that described deceleration pressurized chamber has roughly tapered shape, its diameter roughly increases gradually from its entrance to its exit, wherein, this inlet is communicated with described high speed step-down chamber.
22, as a described system in the claim 15 to 18, it is characterized in that, external surface peripheral in the bottom of described main body evenly is provided with at least one nozzle, the outlet of this nozzle is arranged near the bottom of described intake chamber, and be provided with downwards, described at least one nozzle links to each other by valve with described high-pressure fluid pipes.
23, as a described system in claim 17 and 18, it is characterized in that described second mid portion is formed with the material of one deck hard, wear-resistant on inner surface.
As a described system in claim 17 and 18, it is characterized in that 24, described second mid portion is the cylinder bodily form,, on the external surface of this part, evenly and integrally be formed with at least one bracing piece along described second mid portion.
25, as a described system in the claim 15 to 18, it is characterized in that it also comprises at least one filtering rod, these filtering rods are roughly in the entrance of described intake chamber, and are arranged in a crossed manner on the bottom of described main body.
26, as a described system in the claim 14 to 18, it is characterized in that, described desilting passage also comprises linear passage, this linear pattern passage extends upward as the crow flies from the exit of described deceleration pressurized chamber, and the diameter of this linear pattern passage is identical with the diameter in the exit of described deceleration pressurized chamber.
27, as a described system in the claim 14 to 18, it is characterized in that it also comprises separator, this separator is installed on the described unsteady pedestal, and links to each other with the described other end of described conveyance conduit.
28, system as claimed in claim 27 is characterized in that, it also comprises gathering system, and this system is installed on the described pedestal, and cooperates with described separator.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200045214U CN201202126Y (en) | 2008-01-22 | 2008-01-22 | Environment-protective desilting head and environment-protective desilting system therewith |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNU2008200045214U CN201202126Y (en) | 2008-01-22 | 2008-01-22 | Environment-protective desilting head and environment-protective desilting system therewith |
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| CN201202126Y true CN201202126Y (en) | 2009-03-04 |
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| CNU2008200045214U Expired - Fee Related CN201202126Y (en) | 2008-01-22 | 2008-01-22 | Environment-protective desilting head and environment-protective desilting system therewith |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102505723A (en) * | 2011-12-02 | 2012-06-20 | 辽宁东工装备制造有限公司 | High-efficiency pollution-free spraying-sucking type underwater sediment graded collecting device |
| CN102535558A (en) * | 2011-12-27 | 2012-07-04 | 张武 | Underwater silt suction cabin and application thereof |
| CN103649420A (en) * | 2011-05-13 | 2014-03-19 | Ihc荷兰Ie有限公司 | Dredger provided with a remotely operable dredging vehicle, and method for dredging using such a dredger system |
| CN110593333A (en) * | 2019-08-27 | 2019-12-20 | 华中科技大学 | Hydraulic pressure dashes inhales compound underwater device of mud |
| CN110670656A (en) * | 2019-10-09 | 2020-01-10 | 潘显敏 | Slurry sucking and conveying method for river treatment |
| CN112594230A (en) * | 2020-12-31 | 2021-04-02 | 中建材通辽矽砂工业有限公司 | Suction stroke accelerator of mortar pump |
-
2008
- 2008-01-22 CN CNU2008200045214U patent/CN201202126Y/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103649420A (en) * | 2011-05-13 | 2014-03-19 | Ihc荷兰Ie有限公司 | Dredger provided with a remotely operable dredging vehicle, and method for dredging using such a dredger system |
| CN103649420B (en) * | 2011-05-13 | 2015-08-12 | Ihc荷兰Ie有限公司 | Excavator with operated from a distance wheeled digging machine and the method excavated with this excavator system |
| CN102505723A (en) * | 2011-12-02 | 2012-06-20 | 辽宁东工装备制造有限公司 | High-efficiency pollution-free spraying-sucking type underwater sediment graded collecting device |
| CN102535558A (en) * | 2011-12-27 | 2012-07-04 | 张武 | Underwater silt suction cabin and application thereof |
| CN110593333A (en) * | 2019-08-27 | 2019-12-20 | 华中科技大学 | Hydraulic pressure dashes inhales compound underwater device of mud |
| CN110670656A (en) * | 2019-10-09 | 2020-01-10 | 潘显敏 | Slurry sucking and conveying method for river treatment |
| CN112594230A (en) * | 2020-12-31 | 2021-04-02 | 中建材通辽矽砂工业有限公司 | Suction stroke accelerator of mortar pump |
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