CN111851622A - High-efficient river sediment purifier - Google Patents
High-efficient river sediment purifier Download PDFInfo
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- CN111851622A CN111851622A CN202010708247.4A CN202010708247A CN111851622A CN 111851622 A CN111851622 A CN 111851622A CN 202010708247 A CN202010708247 A CN 202010708247A CN 111851622 A CN111851622 A CN 111851622A
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- 239000013049 sediment Substances 0.000 title claims abstract description 37
- 239000010802 sludge Substances 0.000 claims abstract description 67
- 238000003756 stirring Methods 0.000 claims abstract description 33
- 238000000746 purification Methods 0.000 claims abstract description 15
- 239000010813 municipal solid waste Substances 0.000 claims description 42
- 230000000903 blocking effect Effects 0.000 claims description 29
- 240000002853 Nelumbo nucifera Species 0.000 claims description 9
- 235000006508 Nelumbo nucifera Nutrition 0.000 claims description 9
- 235000006510 Nelumbo pentapetala Nutrition 0.000 claims description 9
- 229910001220 stainless steel Inorganic materials 0.000 claims description 6
- 239000010935 stainless steel Substances 0.000 claims description 6
- 230000000694 effects Effects 0.000 abstract description 16
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 33
- 230000009471 action Effects 0.000 description 11
- 238000000034 method Methods 0.000 description 11
- 230000008569 process Effects 0.000 description 8
- 238000004140 cleaning Methods 0.000 description 5
- 238000001035 drying Methods 0.000 description 3
- 238000005452 bending Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000012423 maintenance Methods 0.000 description 2
- 230000002265 prevention Effects 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000013019 agitation Methods 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011065 in-situ storage Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 230000007704 transition Effects 0.000 description 1
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- 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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/28—Dredgers or soil-shifting machines for special purposes for cleaning watercourses or other ways
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- 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)
Abstract
The invention discloses a high-efficiency river sediment purification device, which comprises a sediment suction pipe and a sediment suction device connected with the sediment suction pipe, wherein a bearing is connected to the outer surface of an opening at the bottom end of the sediment suction pipe, the bearing is externally connected with the sediment suction device, the sediment suction device comprises a connecting pipe connected with the bearing, the connecting pipe is in a cone shape and expands outwards, the sediment suction device is connected with the lower section of the sediment suction pipe, a shell is arranged on the outer wall of the lower section of the sediment suction pipe, and a motor is arranged in the shell and used for driving the sediment suction device; the stirring device is arranged on the outer wall of the sludge suction pipe above the sludge suction device, and the stirring device is provided with a stirring rod extending downwards. The efficient river sediment purification device can improve the sediment suction efficiency, avoid pipeline blockage and further improve the river sediment purification effect and efficiency.
Description
Technical Field
The invention relates to a river sediment treatment and purification device, in particular to a sediment suction mechanism of a high-efficiency river sediment purification device.
Background
Chinese patent CN209025131U discloses an in-situ undisturbed riverway bottom mud cleaning device, and specifically discloses a riverway bottom mud cleaning device which comprises a ship body floating on the water surface, a bottom mud collecting device arranged at the water bottom, a connecting rod and a mud suction pipe, wherein the bottom mud collecting device comprises a top plate and vertical side plates arranged at two sides of the bottom of the top plate, the top plate and the vertical side plates are enclosed into a box body with an opening at the bottom, the front part and the rear part, a plurality of pulleys are arranged at the bottom of the vertical side plates, a plurality of bottom mud disturbing plates extending along the front and the rear part are arranged between the two vertical side plates at intervals along the left and right direction, one end of the connecting rod is connected with the top plate, the other end of the connecting rod is connected with the top plate, a through hole used for connecting the mud suction pipe is arranged on the top plate, the through hole is communicated with the inner space of the box body, the bottom end of the mud suction pipe is fixedly connected with, the clear water outlet of the sludge filter press is connected with a separated water return pipeline. And the bottom mud disturbing plates are folded plates with left bending and right bending.
The problems in the above patents are: after bottom mud is disturbed through the bottom mud disturbing plate arranged below the top plate, mud is sucked through the mud sucking pipe. But the bottom mud disturbing plate has poor bottom mud disturbing effect, and the mud suction pipe can generate great resistance to mud suction. In fact, in practical use, the mud disturbing and sucking effect of the patent is very poor. And the mud suction efficiency is low, and the large garbage is easy to be sucked in the mud suction process, so that the pipeline is blocked.
Disclosure of Invention
The invention aims to provide a high-efficiency river sediment purification device which is high in sediment suction efficiency and free of blockage.
In order to achieve the above object, the present invention is configured such that: high-efficient river course bed mud purifier, including suction dredge and with the suction dredge that suction dredge connects, its characterized in that: the outer surface of an opening at the bottom end of the sludge suction pipe is connected with a bearing, the bearing is externally connected with the sludge suction device, the sludge suction device comprises a connecting pipe connected with the bearing, the connecting pipe is in a cone shape expanding outwards, a flow guide cover consisting of a plurality of lotus petal-shaped flow guide sheets is arranged at the opening end part of the connecting pipe along the circumferential direction, the flow guide sheets downwards and outwards expand from the opening end part of the connecting pipe, each flow guide sheet is provided with a concave arc-shaped short edge at one side and a convex arc-shaped long edge at one side, and the long edge and the short edge are connected at the bottom to form a top end of the bottom; the inner side of the flow deflector is provided with a flow guiding convex edge; the short edge of one guide vane is adjacent to the long edge of the other guide vane, and the short vane of one guide vane covers the long edge of the other guide vane and is provided with a gap; the flow guide convex edges spirally rise to the upper edge of the flow guide sheet from the bottom edge of the flow guide sheet to the direction of the long edge. By adopting the arrangement mode, the mud suction device is connected with the mud suction pipe through the bearing and is provided with the flow deflectors. When flowing, water flows into the diversion cover formed by the diversion sheets from the gap formed between the two adjacent diversion sheets, so that the water flow exerts a tangential force on the diversion cover to further drive the diversion cover to rotate. And in the rotating process of the air guide sleeve, the bottom tip of the air guide sheet stirs the sludge in the river channel, so that the stirred sludge rises along with the rotating water flow in the air guide sleeve and enters the sludge suction pipe under the action of negative pressure. The flow guide convex edge arranged in the flow guide sheet has the following functions: the silt guide silt spiral-lift and enter into the suction pipe under the effect of negative pressure when rotatory rivers rotate along with silt, have the effect of further scattering silt, avoid the pipeline to be blockked up.
In order to further avoid the blockage of the pipeline and further achieve the drainage of the sludge. And the garbage blocking lug extends upwards from the bottom on the inner cavity wall of the connecting pipe in a spiral mode. The edges of the trash blocking tabs are sharp. The upper radial width of the trash blocking tab is greater than the lower radial width. The radial width of the garbage blocking sheet is gradually increased from the bottom edge of the connecting pipe to the maximum of the top edge of the connecting pipe from zero.
For further reaching better effect of clearance silt, the suction dredge hypomere is stainless steel matter, the suction dredge with the suction dredge hypomere is connected, just install the casing on the outer wall of suction dredge hypomere, be provided with the motor in the casing, the motor is used for the drive the suction dredge. By adopting the mode, even if the flow velocity of the river is small, the diversion cover can be driven to rotate by the motor.
For further improving the effect of cleaning the sludge, the sludge cleaning device comprises a pre-stirring device, wherein the pre-stirring device is arranged on the outer wall of the sludge suction pipe above the sludge suction device, and the pre-stirring device is provided with a stirring rod extending downwards. The stirring rod comprises a longitudinal rod extending downwards in an arc shape and a cross rod connected with the longitudinal rod.
Has the advantages that:
1. the river sludge purification device comprises a flow guide cover formed by lotus petal-shaped flow guide sheets arranged along the circumferential direction. By utilizing the gap between two adjacent air guide sleeves, when flowing, water flows into the air guide sleeve formed by the air guide plates from the gap formed between two adjacent air guide plates, so that the water flow exerts a tangential force on the air guide sleeve to drive the air guide sleeve to rotate. And in the rotating process of the flow guide cover, the top end of the bottom of the flow guide sheet stirs the sludge in the river channel, so that the stirred sludge is mixed with the rotating water flow in the flow guide cover, spirally rises under the guiding action of the flow guide convex ridge and enters the sludge suction pipe under the action of negative pressure. Therefore, the flow guide cover automatically rotates by utilizing water flow, sludge is stirred by utilizing the automatic rotation of the flow guide cover, and the stirred sludge is upwards sucked by the negative pressure of the sludge suction pipe under the action of the flow guide convex ridge, so that the sludge suction efficiency can be improved, the pipeline blockage can be avoided, and the bottom sludge purification effect and efficiency of the river channel can be further improved.
2. The garbage blocking sheets which spirally rise are arranged in the connecting pipe, and the edges of the garbage blocking lugs are sharp, so that the radial width of the garbage blocking sheets is gradually increased from zero at the bottom edge of the connecting pipe to the maximum at the top edge of the connecting pipe, and smooth transition is realized. Thus, if there is garbage, such as plastic, in the sludge, it is cut at the sharp edge of the garbage barrier. The garbage blocking sheet can further scatter and conduct spiral flow guiding on the sludge, so that the sludge mixed with river water enters the sludge suction pipe in a spiral mode under the guiding of the garbage blocking sheet, and meanwhile, the chopped garbage is also guided into the sludge suction pipe. And the spiral guide of the garbage blocking sheet avoids the blocking of the sludge and the blockage of the sludge suction pipe.
3. Through the stirring rod of pre-stirring device, can have an effort of stirring to silt in advance when the silt pipe removes, and through the pre-stirring device of latticed, can keep apart great rubbish or stone and enter into the silt pipe, avoid causing the jam to the silt pipe, perhaps lead to the fact the destruction to rubbish stopping piece.
4. In order to avoid that the silt device cannot rotate due to the fact that the flow speed of water is too small, a motor can be arranged on the lower section of the mud suction pipe and is driven to rotate in a circulating mode through the motor, and then the silt at the bottom of the river is stirred through the top end of the bottom.
Drawings
FIG. 1 is a schematic structural diagram of an efficient riverway bottom mud purification device in an embodiment;
FIG. 2 is a schematic structural view of a mud suction device;
fig. 3 is a schematic structural cross-sectional view of the mud suction device (only one of the guide vanes is shown);
fig. 4 is a top view of the mud suction device.
Detailed Description
The following detailed description of the embodiments of the present invention will be made with reference to the accompanying drawings, but the present invention is not limited to these embodiments, and any modifications or substitutions in the basic spirit of the embodiments will still fall within the scope of the present invention as claimed in the claims.
Example (b): as shown in fig. 1-4, the present embodiment provides a high-efficiency river sediment purification device, the river sediment treatment device includes an above-water portion and an below-water portion, the above-water portion includes a ship body, and a sludge suction pump, a sediment tank, a sediment drying device, a sediment treatment device, a control cabinet, etc. are disposed on the ship body. The underwater part comprises a mud suction pipe connected with the bottom mud box, the underwater part of the mud suction pipe is connected with a mud suction pump, and the underwater part of the mud suction pipe is connected with a mud suction device.
Specifically, the method comprises the following steps: the underwater part of the mud suction pipe in the embodiment is divided into two sections, including a flexible section and a rigid section. The rigid section is located the hypomere and is connected with flexible section. The rigid section is made of stainless steel and is provided with a mud suction port at the end part. And the outer wall of the mud suction port of the rigid section is connected with a bearing, and the bearing is externally connected with the mud suction device. The mud suction device comprises a connecting pipe connected with the bearing, the connecting pipe is in a conical shape expanding outwards, and the tail of the connecting pipe axially exceeds the mud suction pipe. And the opening end part of the connecting pipe is uniformly provided with a flow guide cover consisting of a plurality of lotus petal-shaped flow guide sheets along the circumferential direction. The lotus petal shape means that the guide vanes are similar to petals in shape and two adjacent guide vanes are arranged in a stacked mode.
The flow deflector is expanded downwards and outwards from the opening end part of the connecting pipe. The flow deflector is provided with a short edge with one side concave arc shape and a long edge with one side convex arc shape, and the long edge is connected with the short edge at the bottom to form a bottom tip. That is, the bottom tip is formed by the ends of the short side and the long side, and since the long side is of an outwardly convex arc shape and the short side is of an inwardly concave arc shape, the bottom tip is directed to one side of the short side of the baffle. And between two adjacent guide vanes, the short side of one guide vane is adjacent to the long side of the other guide vane, the short side of one guide vane partially covers the long side of the other guide vane, and a gap is formed between the two guide vanes. In addition, a flow guide convex edge is arranged on the inner side of the flow guide sheet. The flow guide convex edges spirally rise to the upper edges of the flow guide sheets from the bottom edges of the flow guide sheets, namely the bottom edges of the long edges along the direction of the long edges. The flow guiding convex edge in the embodiment can be arranged in a plane shape, and can also be arranged in an upward concave shape. The bottom mud can be better guided to be sucked upwards by the mud suction pipe by selecting the upward concave shape.
By adopting the arrangement mode, the mud suction device is connected with the mud suction pipe through the bearing and is provided with the flow deflectors. When flowing, water flows into the diversion cover formed by the diversion sheets from the gap formed between the two adjacent diversion sheets, so that the water flow exerts a tangential force on the diversion cover to further drive the diversion cover to rotate. And in the rotating process of the air guide sleeve, the bottom tip of the air guide sheet stirs the sludge in the river channel, so that the stirred sludge rises along with the rotating water flow in the air guide sleeve and enters the sludge suction pipe under the action of negative pressure. The flow guide convex edge arranged in the flow guide sheet has the following functions: silt guide spiral-up and enter into the suction pipe under the effect of negative pressure when rotatory rivers rotate, owing to set the air deflector into the arc of upwards indent, can be better have scatter silt and guide the effect that silt got into the honeycomb duct, avoid the pipeline to be blockked up. The efficiency of inhale mud is improved, and then improve river bed mud purifying effect and efficiency.
Example 2: as shown in fig. 1-4, the present embodiment provides a high-efficiency river sediment purification device, the river sediment treatment device includes an above-water portion and an below-water portion, the above-water portion includes a ship body, and a sludge suction pump, a sediment tank, a sediment drying device, a sediment treatment device, a control cabinet, etc. are disposed on the ship body. The underwater part comprises a mud suction pipe connected with the bottom mud box, the underwater part of the mud suction pipe is connected with a mud suction pump, and the underwater part of the mud suction pipe is connected with a mud suction device.
Specifically, the method comprises the following steps: the underwater part of the mud suction pipe in the embodiment is divided into two sections, including a flexible section and a rigid section. The rigid section is located the hypomere and is connected with flexible section. The rigid section is made of stainless steel and is provided with a mud suction port at the end part. And the outer wall of the mud suction port of the rigid section is connected with a bearing, and the bearing is externally connected with the mud suction device. The mud suction device comprises a connecting pipe connected with the bearing, the connecting pipe is in a conical shape expanding outwards, and the tail of the connecting pipe axially exceeds the mud suction pipe. And the opening end part of the connecting pipe is uniformly provided with a flow guide cover consisting of a plurality of lotus petal-shaped flow guide sheets along the circumferential direction. The lotus petal shape means that the guide vanes are similar to petals in shape and two adjacent guide vanes are arranged in a stacked mode.
The flow deflector is expanded downwards and outwards from the opening end part of the connecting pipe. The flow deflector is provided with a short edge with one side concave arc shape and a long edge with one side convex arc shape, and the long edge is connected with the short edge at the bottom to form a bottom tip. That is, the bottom tip is formed by the ends of the short side and the long side, and since the long side is of an outwardly convex arc shape and the short side is of an inwardly concave arc shape, the bottom tip is directed to one side of the short side of the baffle. And between two adjacent guide vanes, the short side of one guide vane is adjacent to the long side of the other guide vane, the short side of one guide vane partially covers the long side of the other guide vane, and a gap is formed between the two guide vanes. In addition, a flow guide convex edge is arranged on the inner side of the flow guide sheet. The flow guide convex edges spirally rise to the upper edges of the flow guide sheets from the bottom edges of the flow guide sheets, namely the bottom edges of the long edges along the direction of the long edges. The flow guiding convex edge in the embodiment is arranged to have an upward concave shape.
In this embodiment, the inner cavity wall of the connecting tube is provided with a spirally extending garbage blocking lug from the bottom to the top. The garbage blocking sheets are arranged along the circumferential direction, and the edges of the garbage blocking protruding sheets are sharp. The upper radial width of the trash blocking tab is greater than the lower radial width. Specifically, the radial width of the garbage blocking sheet is gradually increased from the bottom edge of the connecting pipe to the maximum of the top edge of the connecting pipe from zero.
By adopting the arrangement mode, the mud suction device is connected with the mud suction pipe through the bearing and is provided with the flow deflectors. When flowing, water flows into the diversion cover formed by the diversion sheets from the gap formed between the two adjacent diversion sheets, so that the water flow exerts a tangential force on the diversion cover to further drive the diversion cover to rotate. And in the rotating process of the air guide sleeve, the bottom tip of the air guide sheet stirs the sludge in the river channel, so that the stirred sludge rises along with the rotating water flow in the air guide sleeve and enters the sludge suction pipe under the action of negative pressure. The flow guide convex edge arranged in the flow guide sheet guides the sludge to spirally rise when the sludge rotates along with the rotating water flow and enters the connecting pipe under the action of negative pressure, and the flow guide sheet is arranged into an arc shape which is concave upwards, so that a better guiding effect can be achieved. The sludge entering the connecting pipe can be further scattered under the action of the garbage blocking sheet, and if garbage (such as plastic, wire balls, plastic bottles and the like) exists in the process, the garbage (such as plastic, wire balls, plastic bottles and the like) can be cut by the sharp edge of the garbage blocking sheet, and the garbage (such as plastic, wire balls, plastic bottles and the like) is cut into small pieces and then enters the sludge suction pipe along with the sludge, so that the functions of diversion and blockage prevention are further achieved. If this comes, can guarantee to the utmost that the suction dredge can not blockked up, avoid the maintenance of shutting down. The efficiency of inhale mud is improved, and then improve river bed mud purifying effect and efficiency.
Example 3: as shown in fig. 1-4, the present embodiment provides a high-efficiency river sediment purification device, the river sediment treatment device includes an above-water portion and an below-water portion, the above-water portion includes a ship body 1, a sludge suction pump 2, a sediment tank 3, a sediment drying device, a sediment treatment device, a control cabinet, etc. are disposed on the ship body. The underwater part comprises a mud suction pipe 4 connected with the bottom mud box, the underwater part of the mud suction pipe is connected with a mud suction pump, and the underwater part of the mud suction pipe is connected with a mud suction device.
Specifically, the method comprises the following steps: the underwater portion of the suction pipe in this embodiment is divided into two sections, including a flexible section 41 and a rigid section 42. The rigid section is located the hypomere and is connected with flexible section. The rigid section is made of stainless steel and is provided with a mud suction port at the end part. And the outer wall of the mud suction port of the rigid section is connected with a bearing 5, and the bearing is externally connected with the mud suction device. The mud suction device comprises a connecting pipe 6 connected with the bearing, the connecting pipe is in a conical shape expanding outwards, and the tail of the connecting pipe axially exceeds the mud suction pipe. And the opening end part of the connecting pipe is uniformly provided with a flow guide cover 8 consisting of a plurality of lotus petal-shaped flow guide sheets 7 along the circumferential direction. The lotus petal shape means that the guide vanes are similar to petals in shape and two adjacent guide vanes are arranged in a stacked mode.
The flow deflector is expanded downwards and outwards from the opening end part of the connecting pipe. The flow deflector has a short side 71 with a concave arc shape on one side and a long side 72 with a convex arc shape on one side, and the long side and the short side are connected at the bottom to form a bottom tip 73. That is, the bottom tip is formed by the ends of the short side and the long side, and since the long side is of an outwardly convex arc shape and the short side is of an inwardly concave arc shape, the bottom tip is directed to one side of the short side of the baffle. And between two adjacent guide vanes, the short side of one guide vane is adjacent to the long side of the other guide vane, the short side of one guide vane partially covers the long side of the other guide vane, and a gap is formed between the two guide vanes. In addition, a flow guiding convex ridge 74 is arranged on the inner side of the flow guiding sheet. The flow guide convex edges spirally rise to the upper edges of the flow guide sheets from the bottom edges of the flow guide sheets, namely the bottom edges of the long edges along the direction of the long edges. The flow guiding convex edge in the embodiment is arranged to have an upward concave shape.
In this embodiment, the inner cavity wall of the connecting tube is provided with a spirally extending garbage blocking lug 9 from the bottom to the top. The garbage blocking sheets are arranged along the circumferential direction, and the edges of the garbage blocking protruding sheets are sharp. The upper radial width of the trash blocking tab is greater than the lower radial width. Specifically, the radial width of the garbage blocking sheet is gradually increased from the bottom edge of the connecting pipe to the maximum of the top edge of the connecting pipe from zero.
By adopting the arrangement mode, the mud suction device is connected with the mud suction pipe through the bearing and is provided with the flow deflectors. When flowing, water flows into the diversion cover formed by the diversion sheets from the gap formed between the two adjacent diversion sheets, so that the water flow exerts a tangential force on the diversion cover to further drive the diversion cover to rotate. And in the rotating process of the air guide sleeve, the bottom tip of the air guide sheet stirs the sludge in the river channel, so that the stirred sludge rises along with the rotating water flow in the air guide sleeve and enters the sludge suction pipe under the action of negative pressure. The flow guide convex edge arranged in the flow guide sheet guides the sludge to spirally rise when the sludge rotates along with the rotating water flow and enters the connecting pipe under the action of negative pressure, and the flow guide sheet is arranged into an arc shape which is concave upwards, so that a better guiding effect can be achieved. The sludge entering the connecting pipe can be further scattered under the action of the garbage blocking sheet, and if garbage (such as plastic, wire balls, plastic bottles and the like) exists in the process, the garbage (such as plastic, wire balls, plastic bottles and the like) can be cut by the sharp edge of the garbage blocking sheet, and the garbage (such as plastic, wire balls, plastic bottles and the like) is cut into small pieces and then enters the sludge suction pipe along with the sludge, so that the functions of diversion and blockage prevention are further achieved. If this comes, can guarantee to the utmost that the suction dredge can not blockked up, avoid the maintenance of shutting down. The efficiency of inhale mud is improved, and then improve river bed mud purifying effect and efficiency.
In this embodiment, a pre-stirring device 10 is further provided, which is mounted on the outer wall of the rigid section of the suction pipe and above the suction device. The pre-stirring device can be connected with the rigid section of the mud suction pipe through a bearing and can also be fixedly arranged outside the rigid section. In this embodiment, the pre-agitation means is located outside the rigid section by bearings.
The pre-stirring device comprises a cylinder body 11 connected with the rigid section through a bearing, a plurality of stirring rods 12 which expand outwards and stretch downwards in an arc shape are arranged at the lower section opening of the cylinder body along the circumferential direction, and supporting legs 13 which stretch out outwards in an inclined mode are arranged at the lower end parts of the stirring rods. And a plurality of cross bars 14 connected with the vertical bars are further arranged on the upper part of the stirring bars, and the cross bars are transverse circular rings which connect the stirring bars together. Through the stirring rod of pre-stirring device, can have an effort of stirring to silt in advance when the silt pipe removes, and through the pre-stirring device of latticed, can keep apart great rubbish or stone and enter into the silt pipe, avoid causing the jam to the silt pipe, perhaps lead to the fact the destruction to rubbish stopping piece.
Example 4: referring to fig. 1 to 4, this embodiment is an improvement based on embodiments 1, 2 and 3, and in order to further achieve a better sludge cleaning effect, the lower section of the sludge suction pipe is made of stainless steel, and the upper section of the sludge is made of plastic. And a shell is arranged on the outer wall of the lower section of the sludge suction pipe, and a motor is arranged in the shell and used for driving the sludge suction device. By adopting the mode, even if the flow velocity of the river is small, the diversion cover can be driven to rotate by the motor.
Claims (5)
1. The utility model provides a high-efficient river sediment purifier, including the suction dredge and with the suction dredge that the suction dredge is connected, its characterized in that: the outer surface of an opening at the bottom end of the sludge suction pipe is connected with a bearing, the bearing is externally connected with the sludge suction device, the sludge suction device comprises a connecting pipe connected with the bearing, the connecting pipe is in a cone shape expanding outwards, a flow guide cover consisting of a plurality of lotus petal-shaped flow guide sheets is arranged at the opening end part of the connecting pipe along the circumferential direction, the flow guide sheets downwards and outwards expand from the opening end part of the connecting pipe, each flow guide sheet is provided with a concave arc-shaped short edge at one side and a convex arc-shaped long edge at one side, and the long edge and the short edge are connected at the bottom to form a top end of the bottom; the inner side of the flow deflector is provided with a flow guiding convex edge; the short edge of one guide vane is adjacent to the long edge of the other guide vane, and the long edge of one guide vane partially covers the short edge of the other guide vane and is provided with a gap; the lower section of the sludge suction pipe is made of stainless steel, the sludge suction device is connected with the lower section of the sludge suction pipe, a shell is mounted on the outer wall of the lower section of the sludge suction pipe, and a motor is arranged in the shell and used for driving the sludge suction device; the stirring device comprises a pre-stirring device, wherein the pre-stirring device is arranged on the outer wall of a sludge suction pipe above the sludge suction device and is provided with a stirring rod extending downwards; the flow guide convex edges spirally rise to the upper edge of the flow guide sheet from the bottom edge of the flow guide sheet to the direction of the long edge.
2. The high-efficiency riverway bottom mud purification device of claim 1, which is characterized in that: the stirring rod comprises a longitudinal rod extending downwards in an arc shape and a cross rod connected with the longitudinal rod.
3. The high-efficiency riverway bottom mud purification device of claim 2, which is characterized in that: the garbage blocking lug extends spirally upwards from the bottom on the inner cavity wall of the connecting pipe; the edges of the trash blocking tabs are sharp.
4. The high-efficiency riverway bottom mud purification device of claim 3, which is characterized in that: the upper radial width of the trash blocking tab is greater than the lower radial width.
5. The device for purifying bottom mud in river channel as claimed in claim 4, wherein: the radial width of the garbage blocking sheet is gradually increased from the bottom edge of the connecting pipe to the maximum of the top edge of the connecting pipe from zero.
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| CN202010708247.4A CN111851622A (en) | 2020-07-22 | 2020-07-22 | High-efficient river sediment purifier |
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| CN207863014U (en) * | 2017-12-07 | 2018-09-14 | 天津盛田机械制造有限公司 | Cutter suction dredger environment-protective desilting cutter |
| CN108755807A (en) * | 2018-06-04 | 2018-11-06 | 何德学 | A kind of water conservancy row silt device |
| CN110158688A (en) * | 2018-03-27 | 2019-08-23 | 刘兴旺 | A kind of dredging device for water conservancy projects |
-
2020
- 2020-07-22 CN CN202010708247.4A patent/CN111851622A/en active Pending
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| EP0008534A1 (en) * | 1978-08-21 | 1980-03-05 | Westminster Dredging Company Limited | Cutter head for a suction dredger |
| JPH0539696A (en) * | 1991-08-07 | 1993-02-19 | Hakko Co Ltd | Excavating pipe rotating device for pneumatic soil excavating device |
| KR20110053099A (en) * | 2009-11-13 | 2011-05-19 | 현대건설주식회사 | Cover of dredging head apparatus for dredging resuspension sediment and dredging head apparatus having such head cover |
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| CN207863014U (en) * | 2017-12-07 | 2018-09-14 | 天津盛田机械制造有限公司 | Cutter suction dredger environment-protective desilting cutter |
| CN110158688A (en) * | 2018-03-27 | 2019-08-23 | 刘兴旺 | A kind of dredging device for water conservancy projects |
| CN108755807A (en) * | 2018-06-04 | 2018-11-06 | 何德学 | A kind of water conservancy row silt device |
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Application publication date: 20201030 |